1 2009-04-08 Richard Guenther <rguenther@suse.de>
4 * tree-dfa.c (add_referenced_var): Do not recurse into
6 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
8 (fold_const_aggregate_ref): Likewise.
10 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
12 * recog.c (ordered_comparison_operator): New.
13 * gensupport.c (std_preds): Add it.
14 * doc/md.texi (Machine-Independent Predicates): Document it.
16 2009-04-08 Jan Hubicka <jh@suse.cz>
18 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
19 * function.h (rtl_eh): Remove exception_handler_label_map.
20 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
21 remove_exception_handler_label, for_each_eh_label_1): Remove.
22 (rtl_remove_unreachable_regions): Remove.
23 (convert_from_eh_region_ranges): Do not remove unreachable regions.
24 (find_exception_handler_labels): Don't build the hashtable.
25 (maybe_remove_eh_handler): Remove.
26 (for_each_eh_label): Rewrite to walk the tree.
27 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
28 * except.h (maybe_remove_eh_handler): Remove.
29 * passes.c (init_optimization_passes): Schedule second EH cleanup
31 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
32 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
34 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
36 * genoutput.c (validate_optab_operands): New.
37 (gen_insn, gen_expand): Call it.
39 * genflags.c (gen_insn): Detect misused iterators.
40 (main): Pass line_no to gen_insn, exit with status 1 on error.
42 * genextract.c (line_no): Make global.
43 (VEC_safe_set_locstr): Change assertion to error message.
44 (main): Exit with status 1 on error.
46 2009-04-08 Joseph Myers <joseph@codesourcery.com>
50 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
51 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
52 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
53 * c-convert.c (convert): Do not call fold on results of conversion
54 functions when the result is a C_MAYBE_CONST_EXPR.
55 * c-parser.c (c_parser_postfix_expression): Do not fold condition
56 of __builtin_choose_expr.
57 * c-typeck.c (remove_c_maybe_const_expr): New.
58 (build_unary_op, build_conditional_expr, build_compound_expr,
59 build_binary_op, c_objc_common_truthvalue_conversion): Call
60 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
63 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
65 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
66 CODE to produce a new one. Add a prototype to use fold_convert_const
68 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
71 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
72 mix declarations and code.
74 2009-04-08 Ben Elliston <bje@au.ibm.com>
76 * gcc.c: Replace `CC' with `GCC' throughout.
78 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
80 * doc/invoke.texi: Document Atom support.
82 2009-04-07 Jason Merrill <jason@redhat.com>
85 * c-common.h, c-common.c: Add flag_pretty_templates.
86 * c-opts.c (c_common_handle_option): Set it.
87 * c.opt: Add -fno-pretty-templates.
88 * doc/invoke.texi (C++ Dialect Options): Likewise.
90 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
92 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
93 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
94 (ia64_expand_builtin): Likewise.
96 2009-04-07 Martin Jambor <mjambor@suse.cz>
98 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
99 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
100 ADDR_EXPRS are include too.
102 2009-04-07 Richard Guenther <rguenther@suse.de>
104 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
105 decls are only used if passes as parameters or if they are
106 local statics and the call is not to a builtin.
107 (call_may_clobber_ref_p_1): Likewise.
109 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
111 * expr.c (do_store_flag): Remove last argument. Simplify code
112 to avoid duplication of tests already done by can_compare_p.
113 (expand_expr_real_1): Adjust caller.
115 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
117 * optabs.c (can_compare_p): Test the predicate of a
118 cbranch and cstore pattern.
120 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
122 * expr.c (convert_move): Use emit_store_flag instead of
125 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
127 * config/i386/i386.c (ix86_compare_emitted): Remove.
128 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
129 ix86_compare_op0 like ix86_compare_emitted used to be handled.
130 * config/i386/i386.h (ix86_compare_emitted): Remove.
131 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
132 instead of ix86_compare_emitted.
133 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
135 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
137 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
138 Add t-sysroot-suffix to tmake_file.
139 * config/print-sysroot-suffix.sh: New file.
140 * config/t-sysroot-suffix: New file.
142 2009-04-07 Ben Elliston <bje@au.ibm.com>
144 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
145 as the latter produces a warning when the target does not support
148 2009-04-07 Ben Elliston <bje@au.ibm.com>
150 * dfp.c: Replace type punning assignments with memcpy throughout.
151 * Makefile.in (dfp.o-warn): Remove.
153 2009-04-07 Alan Modra <amodra@bigpond.net.au>
156 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
157 Include soft-fp/t-softfp after rs6000/t-linux64.
159 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
161 * stor-layout.c (set_sizetype): Use the full precision of their
162 machine mode for bitsize types.
164 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
166 * config/i386/i386.md: Revert 2 accidental checkins.
168 2009-04-06 Joey Ye <joey.ye@intel.com>
169 Xuepeng Guo <xuepeng.guo@intel.com>
170 H.J. Lu <hongjiu.lu@intel.com>
172 Atom pipeline model, tuning and insn selection.
173 * config.gcc (atom): Add atom config options and target.
175 * config/i386/atom.md: New.
177 * config/i386/i386.c (atom_cost): New cost.
178 (m_ATOM): New macro flag.
179 (initial_ix86_tune_features): Set m_ATOM.
180 (x86_accumulate_outgoing_args): Likewise.
181 (x86_arch_always_fancy_math_387): Likewise.
182 (processor_target): Add Atom cost.
183 (cpu_names): Add Atom cpu name.
184 (override_options): Set Atom ISA.
185 (ix86_issue_rate): New case PROCESSOR_ATOM.
186 (ix86_adjust_cost): Likewise.
188 * config/i386/i386.h (TARGET_ATOM): New target macro.
189 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
190 (TARGET_OPT_AGU): New target option.
191 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
192 (processor_type): Add PROCESSOR_ATOM.
194 * config/i386/i386.md (cpu): Add new value "atom".
195 (use_carry, movu): New attr.
196 (atom.md): Include atom.md.
197 (adddi3_carry_rex64): Set attr "use_carry".
198 (addqi3_carry): Likewise.
199 (addhi3_carry): Likewise.
200 (addsi3_carry): Likewise.
201 (*addsi3_carry_zext): Likewise.
202 (subdi3_carry_rex64): Likewise.
203 (subqi3_carry): Likewise.
204 (subhi3_carry): Likewise.
205 (subsi3_carry): Likewise.
206 (x86_movdicc_0_m1_rex64): Likewise.
207 (*x86_movdicc_0_m1_se): Likewise.
208 (x86_movsicc_0_m1): Likewise.
209 (*x86_movsicc_0_m1_se): Likewise.
210 (*adddi_1_rex64): Emit add insn as much as possible.
211 (*addsi_1): Likewise.
212 (return_internal): Set atom_unit.
213 (return_internal_long): Likewise.
214 (return_pop_internal): Likewise.
215 (*rcpsf2_sse): Set atom_sse_attr attr.
216 (*qrt<mode>2_sse): Likewise.
217 (*prefetch_sse): Likewise.
219 * config/i386/i386-c.c (ix86_target_macros_internal): New case
221 (ix86_target_macros_internal): Likewise.
223 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
224 (*prefetch_sse_rex): Likewise.
225 (sse_rcpv4sf2): Likewise.
226 (sse_vmrcpv4sf2): Likewise.
227 (sse_sqrtv4sf2): Likewise.
228 (<sse>_vmsqrt<mode>2): Likewise.
229 (sse_ldmxcsr): Likewise.
230 (sse_stmxcsr): Likewise.
231 (*sse_sfence): Likewise.
232 (sse2_clflush): Likewise.
233 (*sse2_mfence): Likewise.
234 (*sse2_lfence): Likewise.
235 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
236 (<sse>_movup<ssemodesuffixf2c>): Likewise.
237 (avx_movdqu<avxmodesuffix>): Likewise.
238 (avx_lddqu<avxmodesuffix>): Likewise.
239 (sse2_movntv2di): Change attr "type" to "ssemov".
240 (sse2_movntsi): Likewise.
241 (rsqrtv8sf2): Change attr "type" to "sseadd".
242 (sse3_addsubv2df3): Set attr "atom_unit".
243 (sse3_h<plusminus_insn>v4sf3): Likewise.
244 (*sse2_pmaddwd): Likewise.
245 (*vec_extractv2di_1_rex64): Likewise.
246 (*vec_extractv2di_1_avx): Likewise.
247 (sse2_psadbw): Likewise.
248 (ssse3_phaddwv8hi3): Likewise.
249 (ssse3_phaddwv4hi3): Likewise.
250 (ssse3_phadddv4si3): Likewise.
251 (ssse3_phadddv2si3): Likewise.
252 (ssse3_phaddswv8hi3): Likewise.
253 (ssse3_phaddswv4hi3): Likewise.
254 (ssse3_phsubwv8hi3): Likewise.
255 (ssse3_phsubwv4hi3): Likewise.
256 (ssse3_phsubdv4si3): Likewise.
257 (ssse3_phsubdv2si3): Likewise.
258 (ssse3_phsubswv8hi3): Likewise.
259 (ssse3_phsubswv4hi3): Likewise.
260 (ssse3_pmaddubsw128): Likewise.
261 (sse3_pmaddubsw: Likewise.
262 (ssse3_palignrti): Likewise.
263 (ssse3_palignrdi): Likewise.
265 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
267 * doc/install.texi (Specific): Fix two cross-references to MinGW.
269 2009-04-06 Richard Guenther <rguenther@suse.de>
271 PR tree-optimization/28868
272 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
273 of which PHI results we inserted.
274 (insert_into_preds_of_block): Record inserted PHIs.
275 (eliminate): Eliminate redundant PHI nodes.
276 (init_pre): Init inserted_phi_names.
278 2009-04-06 Richard Guenther <rguenther@suse.de>
280 PR tree-optimization/39643
281 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
282 IMAGPART_EXPRs of complex constants.
283 (execute_fold_all_builtins): If we folded a call queue
284 TODO_update_address_taken.
286 2009-04-06 Jan Hubicka <jh@suse.cz>
289 * except.c (remove_unreachable_regions): Propagate may_contain_throw
292 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
294 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
296 (ic_invalidate_array): Likewise.
298 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
300 * calls.c (emit_library_call_value_1): Fix a problem with parameter
301 alignment for library calls.
303 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
305 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
306 (mingw32 tm clause use_gcc_stdint): Set to wrap.
307 * config/i386/mingw-stdint.h: New file.
309 2009-04-05 Richard Guenther <rguenther@suse.de>
311 PR tree-optimization/39648
312 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
313 our &A vs. &A[0] IL deficiencies.
315 2009-04-04 Jan Hubicka <jh@suse.cz>
317 * except.c (sjlj_find_directly_reachable_regions): Be ready for
318 removed toplevel regions.
319 (sjlj_mark_call_sites): Likewise.
321 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
323 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
324 (cygwin tm clause use_gcc_stdint): Set to wrap.
325 * config/i386/cygwin-stdint.h: New file.
327 2009-04-04 Richard Guenther <rguenther@suse.de>
329 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
330 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
331 single-argument PHIs if we are in loop-closed SSA form.
332 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
333 for the pre-condition.
334 (slpeel_tree_peel_loop_to_edge): Likewise.
335 (vect_build_loop_niters): Take an optional sequence to append stmts.
336 (vect_generate_tmps_on_preheader): Likewise.
337 (vect_do_peeling_for_loop_bound): Take extra guards for the
339 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
340 the cost model check.
341 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
342 guards if we are going to peel. Do not apply versioning in that
344 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
345 (vect_do_peeling_for_loop_bound): Likewise.
346 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
347 loop bound only record extra pre-conditions, do not apply loop
350 2009-04-04 Richard Guenther <rguenther@suse.de>
352 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
355 2009-04-04 Jan Hubicka <jh@suse.cz>
357 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
358 last_basic_block for size of bb->index indexed array.
359 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
360 compute_out, link_btr_uses, build_btr_def_use_webs,
361 build_btr_def_use_webs, migrate_btr_defs): Likewise.
363 2009-04-04 Jan Hubicka <jh@suse.cz>
365 * except.c (remove_eh_handler_and_replace): Break out from ...
366 (remove_eh_handler): ... here.
367 (bring_to_root): New function.
368 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
369 handled ones, bring others to root of tree.
371 2009-04-04 Jan Hubicka <jh@suse.cz>
373 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
374 (all_phis_safe_to_merge): New function.
375 (update_info): New structure.
376 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
377 (cleanup_empty_eh): Update SSA if possible.
379 2009-04-04 Richard Guenther <rguenther@suse.de>
381 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
382 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
383 (append_vuse): Likewise.
385 2009-04-04 Jakub Jelinek <jakub@redhat.com>
387 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
388 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
389 instead of REG_UNSAVED for DW_CFA_undefined.
390 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
391 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
394 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
397 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
398 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
399 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
401 2009-04-04 Richard Guenther <rguenther@suse.de>
403 PR tree-optimization/8781
404 PR tree-optimization/37892
405 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
406 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
407 (valueize_refs): Call it for *& valueizations.
408 (shared_reference_ops_from_ref): Rename to ...
409 (valueize_shared_reference_ops_from_ref): ... this and valueize.
410 (shared_reference_ops_from_call): Rename to ...
411 (valueize_shared_reference_ops_from_call): ... this and valueize.
412 (vn_reference_lookup): Update.
413 (visit_reference_op_call): Likewise.
414 * tree-ssa-pre.c (phi_translate_1): Fold *&.
415 (eliminate): Value-replace the call address in call statements.
417 2009-04-04 Richard Guenther <rguenther@suse.de>
419 PR tree-optimization/39636
420 * tree-ssa-forwprop.c
421 (forward_propagate_addr_into_variable_array_index): Check for
422 GIMPLE_ASSIGN before accessing the rhs code.
424 2009-04-03 Jason Merrill <jason@redhat.com>
426 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
428 2009-04-03 Steve Ellcey <sje@cup.hp.com>
430 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
431 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
432 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
433 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
434 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
435 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
436 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
437 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
438 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
439 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
440 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
441 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
442 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
443 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
444 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
445 Use fr_reg_or_fp01_operand instead of fr_register_operand
447 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
448 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
449 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
451 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
453 PR rtl-optimization/39607
454 PR rtl-optimization/39631
456 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
457 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
458 instead of DF_LR_OUT.
459 * ira-lives.c (process_bb_node_lives): Ditto.
460 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
461 instead of DF_LR_{OUT,IN}.
462 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
463 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
465 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
467 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
468 (execute_lower_omp): Always run but take the short way out if -fopenmp
470 (gate_lower_omp): Remove, forcing the pass manager to always run the
471 pass and always set PROP_gimple_lomp.
472 (pass_lower_omp): Remove gate function.
473 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
474 PROP_trees. Instead, require it.
475 * ipa-cp.c (pass_ipa_cp): Likewise.
476 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
477 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
478 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
481 2009-04-03 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/23940
485 PR tree-optimization/33237
488 PR tree-optimization/36201
489 PR tree-optimization/36230
490 PR tree-optimization/38049
491 PR tree-optimization/38207
492 PR tree-optimization/38230
493 PR tree-optimization/38301
494 PR tree-optimization/38585
496 PR tree-optimization/38985
497 PR tree-optimization/39299
498 * tree-ssa-structalias.h: Remove.
499 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
500 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
501 (struct vuse_element_d): Remove.
502 (struct vuse_vec_d): Likewise.
503 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
504 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
505 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
506 VUSE_ELEMENT_VAR): Likewise.
507 (struct voptype_d): Likewise.
508 (NUM_VOP_FREE_BUCKETS): Likewise.
509 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
510 (struct stmt_operands_d): Remove.
511 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
512 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
513 VDEF_NUM, VDEF_VECT): Likewise.
514 (copy_virtual_operands): Remove.
515 (operand_build_cmp): Likewise.
516 (create_ssa_artificial_load_stmt): Likewise.
517 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
518 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
519 vuse_index and mayuse_index members. Pack and move done and iter_type
520 members to the front.
521 (SSA_OP_VMAYUSE): Remove.
522 (SSA_OP_VIRTUAL_USES): Adjust.
523 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
524 (unlink_stmt_vdef): Declare.
525 (add_to_addressable_set): Remove.
526 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
527 (vrp_visit_stmt): Likewise.
528 * doc/tree-ssa.texi (Alias analysis): Update.
529 * doc/invoke.texi (max-aliased-vops): Remove docs.
530 (avg-aliased-vops): Likewise.
531 * tree-into-ssa.c (syms_to_rename): Remove.
532 (need_to_update_vops_p): Likewise.
533 (need_to_initialize_update_ssa_p): Rename to ...
534 (update_ssa_initialized_fn): ... this. Track function we are
536 (symbol_marked_for_renaming): Simplify.
537 (add_new_name_mapping): Do not set need_to_update_vops_p.
538 (dump_currdefs): Use SYMS_TO_RENAME.
539 (rewrite_update_stmt): Always walk all uses/defs.
540 (dump_update_ssa): Adjust.
541 (init_update_ssa): Take function argument. Track what we are
543 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
544 (create_new_def_for): Initialize for cfun, assert we are initialized
546 (mark_sym_for_renaming): Simplify.
547 (mark_set_for_renaming): Do not initialize update-ssa.
548 (need_ssa_update_p): Simplify. Take function argument.
549 (name_mappings_registered_p): Assert we ask for the correct function.
550 (name_registered_for_update_p): Likewise.
551 (ssa_names_to_replace): Likewise.
552 (release_ssa_name_after_update_ssa): Likewise.
553 (update_ssa): Likewise. Use SYMS_TO_RENAME.
554 (dump_decl_set): Do not print a newline.
555 (debug_decl_set): Do it here.
556 (dump_update_ssa): And here.
557 * tree-ssa-loop-im.c (move_computations): Adjust.
558 (movement_possibility): Likewise.
559 (determine_max_movement): Likewise.
560 (gather_mem_refs_stmt): Likewise.
561 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
563 * tree-complex.c (update_all_vops): Remove.
564 (expand_complex_move): Adjust.
565 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
566 Simplify test for memory referencing statement. Exclude
567 non-invariant ADDR_EXPRs.
568 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
569 * tree-loop-distribution.c (generate_memset_zero): Adjust.
570 (rdg_flag_uses): Likewise.
571 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
573 (tree_optimize_tail_calls_1): Also split the
574 edge from the entry block if we have degenerate PHI nodes in
575 the first basic block.
576 * tree.c (init_ttree): Remove memory-tag related code.
577 (tree_code_size): Likewise.
578 (tree_node_structure): Likewise.
579 (build7_stat): Re-write to be build6_stat.
580 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
582 (struct tree_memory_tag): Remove.
583 (struct tree_memory_partition_tag): Likewise.
584 (union tree_node): Adjust.
585 (build7): Re-write to be build6.
586 * tree-pass.h (pass_reset_cc_flags): Remove.
587 (TODO_update_address_taken): New flag.
588 (pass_simple_dse): Remove.
589 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
590 * params.h (MAX_ALIASED_VOPS): Remove.
591 (AVG_ALIASED_VOPS): Likewise.
592 * omp-low.c (expand_omp_taskreg): Update SSA form.
593 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
594 aliases the lhs in a copy stmt.
595 * tree-ssa-dse.c (struct address_walk_data): Remove.
596 (memory_ssa_name_same): Likewise.
597 (memory_address_same): Likewise.
598 (get_kill_of_stmt_lhs): Likewise.
599 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
600 unused stores. Look through PHI nodes into post-dominated regions.
601 (dse_optimize_stmt): Simplify. Properly remove stores.
602 (tree_ssa_dse): Compute dominators.
603 (execute_simple_dse): Remove.
604 (pass_simple_dse): Likewise.
605 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
606 gimple_loaded_syms and gimple_stored_syms computation.
607 * toplev.c (dump_memory_report): Dump alias and pta stats.
608 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
609 (vn_reference_eq): Likewise.
610 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
611 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
612 valueize_vuses): Remove.
613 (get_def_ref_stmt_vuses): Simplify. Rename to ...
614 (get_def_ref_stmt_vuse): ... this.
615 (vn_reference_lookup_2): New function.
616 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
617 walking equivalent vuses. Simplify.
618 (vn_reference_lookup): Likewise.
619 (vn_reference_insert): Likewise.
620 (vn_reference_insert_pieces): Likewise.
621 (visit_reference_op_call): Simplify.
622 (visit_reference_op_load): Likewise.
623 (visit_reference_op_store): Likewise.
624 (init_scc_vn): Remove shared_lookup_vuses initialization.
625 (free_scc_vn): Remove shared_lookup_vuses freeing.
626 (sort_vuses, sort_vuses_heap): Remove.
627 (get_ref_from_reference_ops): Export.
628 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
629 vector with single vuse pointer.
630 (vn_reference_lookup_pieces, vn_reference_lookup,
631 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
632 (shared_vuses_from_stmt): Remove.
633 (get_ref_from_reference_ops): Declare.
634 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
635 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
636 memory-tag related code.
637 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
638 (likely_value): Add comment, skip static-chain of call statements.
639 (surely_varying_stmt_p): Adjust.
640 (gimplify_and_update_call_from_tree): Likewise.
641 (execute_fold_all_builtins): Do not rebuild alias info.
642 (gimplify_and_update_call_from_tree): Properly update VOPs.
643 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
644 (copy_ref_info): Remove memory-tag related code.
645 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
646 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
647 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
649 * tree-ssa-dom.c (gimple_p): Remove typedef.
650 (eliminate_redundant_computations): Adjust.
651 (record_equivalences_from_stmt): Likewise.
652 (avail_expr_hash): Likewise.
653 (avail_expr_eq): Likewise.
654 * tree-ssa-propagate.c (update_call_from_tree): Properly
656 (stmt_makes_single_load): Likewise.
657 (stmt_makes_single_store): Likewise.
658 * tree-ssa-alias.c: Rewrite completely.
659 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
660 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
661 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
662 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
663 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
664 Remove public functions.
665 (pass_reset_cc_flags): Remove.
666 (pass_build_alias): Move ...
667 * tree-ssa-structalias.c (pass_build_alias): ... here.
668 * tree-ssa-alias.c (may_be_aliased): Move ...
669 * tree-flow-inline.h (may_be_aliased): ... here.
670 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
671 count_uses_and_derefs): Move ...
672 * gimple.c: ... here.
673 * gimple.h (count_uses_and_derefs): Declare.
674 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
675 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
676 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
677 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
678 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
679 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
680 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
682 * tree-dfa.c (refs_may_alias_p): Move ...
683 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
684 * tree-ssa-alias.h: New file.
685 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
686 (statement_sink_location): Likewise.
687 * opts.c (decode_options): Do not adjust max-aliased-vops or
688 avg-aliased-vops values.
689 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
690 (TV_CALL_CLOBBER): Likewise.
691 (TV_FLOW_SENSITIVE): Likewise.
692 (TV_FLOW_INSENSITIVE): Likewise.
693 (TV_MEMORY_PARTITIONING): Likewise.
694 (TV_ALIAS_STMT_WALK): New timevar.
695 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
696 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
697 (get_address_description): Remove memory-tag related code.
698 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
699 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
700 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
701 and immediate uses in statements. Document.
702 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
703 (dump_symbols): Remove.
704 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
705 * alias.c (get_deref_alias_set): New function split out from ...
706 (get_alias_set): ... here.
707 * alias.h (get_deref_alias_set): Declare.
708 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
709 type parameter. Remove restrict pointer handling. Create a
710 ref-all pointer in case type-based alias sets do not conflict.
711 (vect_analyze_data_refs): Remove SMT related code.
712 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
713 (vectorizable_load): Likewise.
714 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
715 (DR_SYMBOL_TAG, DR_VOPS): Remove.
716 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
717 Ignore vops and SMTs.
718 (dr_analyze_alias): Likewise..
719 (free_data_ref): Likewise.
720 (create_data_ref): Likewise.
721 (analyze_all_data_dependences): Likewise.
722 (get_references_in_stmt): Adjust.
723 * tree-flow-inline.h (gimple_aliases_computed_p,
724 gimple_addressable_vars, gimple_call_clobbered_vars,
725 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
726 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
727 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
728 gimple_mem_ref_stats): Remove.
729 (gimple_vop): New function.
730 (op_iter_next_use): Remove vuses and mayuses cases.
731 (op_iter_next_def): Remove vdefs case.
732 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
733 (clear_and_done_ssa_iter): Do not set removed fields.
734 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
735 Assert we are not iterating over vuses or vdefs if not also
736 iterating over uses or defs.
737 (op_iter_init_use): Likewise.
738 (op_iter_init_def): Likewise.
739 (op_iter_next_vdef): Remove.
740 (op_iter_next_mustdef): Likewise.
741 (op_iter_init_vdef): Likewise.
742 (compare_ssa_operands_equal): Likewise.
743 (link_use_stmts_after): Handle vuse operand.
744 (is_call_used): Use is_call_clobbered.
745 (is_call_clobbered): Global variables are always call clobbered,
746 query the call-clobbers bitmap.
747 (mark_call_clobbered): Ignore global variables.
748 (clear_call_clobbered): Likewise.
749 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
750 virtual operands sanity check.
751 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
753 (TARGET_MEM_REF): Remove TMR_TAG operand.
754 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
755 Remove call-clobber related code.
756 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
757 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
758 partitions or escape reason.
759 (get_single_def_stmt, get_single_def_stmt_from_phi,
760 get_single_def_stmt_with_phi): Remove.
761 (dump_referenced_vars): Tidy.
762 (get_ref_base_and_extent): Allow bare decls.
763 (collect_dfa_stats): Adjust.
764 * graphite.c (rename_variables_in_stmt): Adjust.
765 (graphite_copy_stmts_from_block): Likewise.
766 (translate_clast): Likewise.
767 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
769 (translate_vuse_through_block): Use the oracle.
770 (phi_translate_1): Adjust.
771 (value_dies_in_block_x): Use the oracle. Cache the outcome
773 (valid_in_sets): Check if the VUSE for
774 a REFERENCE is available.
775 (eliminate): Do not remove stmts during elimination,
776 instead queue and remove them afterwards.
777 (do_pre): Do not rebuild alias info.
778 (pass_pre): Run TODO_rebuild_alias before PRE.
779 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
780 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
781 (mark_all_v_defs_stmt): Remove.
782 (mark_all_v_defs_seq): Adjust.
783 (sra_replace): Likewise.
784 (scalarize_use): Likewise.
785 (scalarize_copy): Likewise.
786 (scalarize_init): Likewise.
787 (scalarize_ldst): Likewise.
789 (tree_sra): Do not rebuild alias info.
790 (tree_sra_early): Adjust.
791 (pass_sra): Run TODO_update_address_taken before SRA.
792 * tree-predcom.c (set_alias_info): Remove.
793 (prepare_initializers_chain): Do not call it.
794 (mark_virtual_ops_for_renaming): Adjust.
795 (mark_virtual_ops_for_renaming_list): Remove.
796 (initialize_root_vars): Adjust.
797 (initialize_root_vars_lm): Likewise.
798 (prepare_initializers_chain): Likewise.
799 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
800 (may_propagate_copy_into_stmt): Likewise.
801 (merge_alias_info): Do nothing for now.
802 (propagate_tree_value_into_stmt): Adjust.
803 (stmt_may_generate_copy): Likewise.
804 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
805 not mark symbols for renaming.
806 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
807 with the same statement, make sure to update the new pointed-to one.
808 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
809 call statements, do not mark symbols for renaming.
810 (mark_operand_necessary): Dump something.
811 (ref_may_be_aliased): New function.
812 (mark_aliased_reaching_defs_necessary_1): New helper function.
813 (mark_aliased_reaching_defs_necessary): Likewise.
814 (mark_all_reaching_defs_necessary_1): Likewise.
815 (mark_all_reaching_defs_necessary): Likewise.
816 (propagate_necessity): Do not process virtual PHIs. For
817 non-aliased loads mark all reaching definitions as necessary.
818 For aliased loads and stores mark the immediate dominating
819 aliased clobbers as necessary.
820 (visited): New global static.
821 (perform_tree_ssa_dce): Free visited bitmap after propagating
823 (remove_dead_phis): Perform simple dead virtual PHI removal.
824 (remove_dead_stmt): Properly unlink virtual operands when
826 (eliminate_unnecessary_stmts): Schedule PHI removal after
828 * tree-ssa-ter.c (is_replaceable_p): Adjust.
829 (process_replaceable): Likewise.
830 (find_replaceable_in_bb): Likewise.
831 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
832 based on the single gimple vop.
833 (verify_flow_insensitive_alias_info): Remove.
834 (verify_flow_sensitive_alias_info): Likewise.
835 (verify_call_clobbering): Likewise.
836 (verify_memory_partitions): Likewise.
837 (verify_alias_info): Likewise.
838 (verify_ssa): Adjust..
839 (execute_update_addresses_taken): Export. Update SSA
840 manually. Optimize only when optimizing. Use a local bitmap.
841 (pass_update_address_taken): Remove TODO_update_ssa, add
843 (pass_update_address_taken): Just use TODO_update_address_taken.
844 (init_tree_ssa): Do not initialize addressable_vars.
845 (verify_ssa): Verify new VUSE / VDEF properties.
846 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
847 Do not call verify_alias_info.
848 (delete_tree_ssa): Clear the VUSE, VDEF operands.
849 Do not free the loaded and stored syms bitmaps. Reset the escaped
850 and callused solutions. Do not free addressable_vars.
851 Remove memory-tag related code.
852 (warn_uninitialized_var): Aliases are always available.
853 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
854 * lambda-code.c (can_put_in_inner_loop): Adjust.
855 (can_put_after_inner_loop): Likewise.
856 (perfect_nestify): Likewise.
857 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
858 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
859 (vectorizable_conversion): Do not mark symbols for renaming.
860 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
861 (expand_call_inline): Unlink the calls virtual operands before
863 (tree_function_versioning): Do not call update_ssa if we are not
864 updating clones. Simplify.
865 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
866 (propagate_with_phi): Likewise..
867 * tree-outof-ssa.c (create_temp): Remove memory tag and call
868 clobber code. Assert we are not aliased or global.
869 * tree-flow.h: Include tree-ssa-alias.h
870 (enum escape_type): Remove.
871 (struct mem_sym_stats_d): Likewise.
872 (struct mem_ref_stats_d): Likewise.
873 (struct gimple_df): Add vop member. Remove global_var,
874 call_clobbered_vars, call_used_vars, addressable_vars,
875 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
876 escaped and callused members.
877 (struct ptr_info_def): Remove all members, add points-to solution
879 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
880 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
881 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
882 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
883 (tree-ssa-alias.o): Likewise.
884 (toplev.o): Add tree-ssa-alias.h
885 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
886 * gimple.c (gimple_set_bb): Fix off-by-one error.
887 (is_gimple_reg): Do not handle memory tags.
888 (gimple_copy): Also copy virtual operands.
889 Delay updating the statement. Do not reset loaded and stored syms.
890 (gimple_set_stored_syms): Remove.
891 (gimple_set_loaded_syms): Likewise.
892 (gimple_call_copy_skip_args): Copy the virtual operands
893 and mark the new statement modified.
894 * tree-ssa-structalias.c (may_alias_p): Remove.
895 (set_uids_in_ptset): Take the alias set to prune with as
896 parameter. Fold in the alias test of may_alias_p.
897 (compute_points_to_sets): Compute whether a ptr is dereferenced
899 (process_constraint): Deal with &ANYTHING on the lhs, reject all
900 other ADDRESSOF constraints on the lhs.
901 (get_constraint_for_component_ref): Assert that we don't get
902 ADDRESSOF constraints from the base of the reference.
903 Properly generate UNKNOWN_OFFSET for DEREF if needed.
904 (struct variable_info): Remove collapsed_to member.
905 (get_varinfo_fc): Remove.
906 (new_var_info): Do not set collapsed_to.
907 (dump_constraint): Do not follow cycles.
908 (dump_constraint_graph): Likewise.
909 (build_pred_graph): Likewise.
910 (build_succ_graph): Likewise.
911 (rewrite_constraints): Likewise.
912 (do_simple_structure_copy): Remove.
913 (do_rhs_deref_structure_copy): Remove.
914 (do_lhs_deref_structure_copy): Remove.
915 (collapse_rest_of_var): Remove.
916 (do_structure_copy): Re-implement.
917 (pta_stats): New global variable.
918 (dump_pta_stats): New function.
919 (struct constraint_expr): Make offset signed.
920 (UNKNOWN_OFFSET): Define special value.
921 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
922 (solution_set_expand): New helper function split out from ...
923 (do_sd_constraint): ... here.
924 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
925 (do_ds_constraint): Likewise.
926 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
927 and CALLUSED = *CALLUSED.
928 (set_union_with_increment): Make inc argument signed.
930 (get_constraint_for_ptr_offset): Handle unknown and negative
932 (first_vi_for_offset): Handle offsets before start. Bail
933 out early for offsets beyond the variable extent.
934 (first_or_preceding_vi_for_offset): New function.
935 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
936 Together with ESCAPED = *ESCAPED this properly computes reachability.
937 (find_what_var_points_to): New function.
938 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
939 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
940 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
941 pt_solutions_intersect): New functions.
942 (compute_call_used_vars): Remove.
943 (compute_may_aliases): New main entry into PTA computation.
944 * gimple.h (gimple_p): New typedef.
945 (struct gimple_statement_base): Remove references_memory_p.
946 (struct gimple_statement_with_memory_ops_base): Remove
947 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
949 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
950 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
951 gimple_set_references_memory): Remove.
952 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
953 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
955 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
956 (verify_expr): Allow RESULT_DECL.
957 (gimple_duplicate_bb): Do not copy virtual operands.
958 (gimple_duplicate_sese_region): Adjust.
959 (gimple_duplicate_sese_tail): Likewise.
960 (mark_virtual_ops_in_region): Remove.
961 (move_sese_region_to_fn): Do not call it.
962 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
964 (execute_function_todo): Handle TODO_update_address_taken,
965 call execute_update_addresses_taken for TODO_rebuild_alias.
966 (execute_todo): Adjust.
967 (execute_one_pass): Init dump files early.
968 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
970 (create_general_new_stmt): Clear vops.
971 * tree-ssa-reassoc.c (get_rank): Adjust.
972 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
973 symbols for renaming.
974 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
975 (PARAM_AVG_ALIASED_VOPS): Likewise.
976 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
977 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
978 * tree-ssa-operands.c: Simplify for new virtual operand
980 (operand_build_cmp, copy_virtual_operands,
981 create_ssa_artificial_load_stmt, add_to_addressable_set,
982 gimple_add_to_addresses_taken): Remove public functions.
983 (unlink_stmt_vdef): New function.
985 2009-04-03 Alan Modra <amodra@bigpond.net.au>
987 * config.gcc (powerpc-*-linux*): Merge variants.
989 2009-04-02 Chao-ying Fu <fu@mips.com>
990 James Grosbach <james.grosbach@microchip.com>
992 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
993 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
995 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
996 keep_interrupts_masked_p, use_debug_exception_return_p.
997 (mips_attribute_table): Add interrupt, use_shadow_register_set,
998 keep_interrupts_masked, use_debug_exception_return.
999 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1000 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1002 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1003 (mips_print_operand): Process COP0 registers to print $0 .. $31
1004 correctly for GAS to process.
1005 (mips_interrupt_extra_call_saved_reg_p): New function.
1006 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1008 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1009 (mips_compute_frame_info): Add supports for interrupt context that
1010 includes doubleword accumulators and COP0 registers.
1011 (mips_for_each_saved_acc): New function.
1012 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1013 mips_for_each_saved_reg.
1014 (mips_save_reg): Save accumulators.
1015 (mips_kernel_reg_p): A new for_each_rtx callback.
1016 (mips_expand_prologue): Support interrupt handlers.
1017 (mips_restore_reg): Restore accumulators.
1018 (mips_expand_epilogue): Support interrupt handlers.
1019 (mips_can_use_return_insn): Return false for interrupt handlers.
1020 (mips_epilogue_uses): New function.
1021 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1022 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1023 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1024 cop0_move): New instructions.
1025 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1026 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1028 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1030 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1031 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1032 interrupt handlers, we use K0 as the temporary register.
1033 (EPILOGUE_USES): Change to a function call.
1034 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1035 handlers, we use K0 as the temporary register.
1037 * doc/extend.texi (Function Attributes): Document interrupt,
1038 use_shadow_register_set, keep_interrupts_masked,
1039 use_debug_exception_return for MIPS attributes.
1041 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1043 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1044 Remove a number of t-files from tmake_file.
1045 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1046 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1047 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1048 target_prototype, not TARGET_PROTOTYPE.
1049 (LINK_OS_GNU_SPEC): Define.
1050 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1051 and darwin-ldoubdle.c.
1053 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1056 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1057 (cpp_options): Ditto.
1058 (default_compilers): Ditto.
1059 (display_help): Ditto.
1060 (process_command): Ditto.
1062 (set_input): Use lbasename instead of duplicate code.
1063 (save_temps_prefix): New static for -save-temps=obj.
1064 (save_temps_length): Ditto.
1066 * doc/invoke.texi (-save-temps=obj): Document new variant to
1069 2009-04-02 Jeff Law <law@redhat.com>
1071 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1074 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1076 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1077 * configure: Regenerated.
1079 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1081 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1082 share the argument list.
1084 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1088 2009-02-12 Diego Novillo <dnovillo@google.com>
1090 * varpool.c (debug_varpool): New.
1091 * cgraph.h (debug_varpool): Declare.
1093 2009-04-02 Jan Hubicka <jh@suse.cz>
1095 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1098 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1100 * config/i386/i386.c (ix86_abi): Move initialization to ...
1101 (override_options): Here.
1103 2009-04-02 Christian Bruel <christian.bruel@st.com>
1105 * config/sh/sh.c (sh_dwarf_register_span): New function.
1106 (TARGET_DWARF_REGISTER_SPAN): Define.
1107 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1109 2009-04-02 Ira Rosen <irar@il.ibm.com>
1111 PR tree-optimization/39595
1112 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1113 interleaved loads group is not greater than the SLP group size.
1115 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1117 * builtins.c (is_builtin_name): New.
1118 (called_as_built_in): Use is_builtin_name.
1119 * tree.h (is_builtin_name): New.
1120 * varasm.c (incorporeal_function_p): Use is_builtin_name
1122 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1124 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1126 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1129 * c-decl.c: (clone_underlying_type): Move this ...
1130 * c-common.c (set_underlying_type): ... here.
1131 Also, make sure the function properly sets TYPE_STUB_DECL() on
1132 the newly created typedef variant type.
1133 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1134 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
1136 2009-04-02 Richard Guenther <rguenther@suse.de>
1138 PR tree-optimization/37221
1139 * tree-flow.h (degenerate_phi_result): Declare.
1140 * tree-ssa-dom.c (degenerate_phi_result): Export.
1141 * tree-scalar-evolution.c (analyze_initial_condition): If
1142 the initial condition is defined by a degenerate PHI node
1143 use the degenerate value.
1145 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1147 PR rtl-optimization/39588
1148 * combine.c (merge_outer_ops): Do not set the constant when this
1150 (simplify_shift_const_1): Do not modify it either in this case.
1152 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1154 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1155 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1157 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1160 * c-lex.c (interpret_float): Default (no suffix) is double.
1162 2009-04-1 Xinliang David Li <davidxl@google.com>
1164 * config/i386/i386.c (legitimate_constant_p): Recognize
1165 all one vector constant.
1167 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1169 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1170 Change #include order to silence two warnings.
1172 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1174 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1175 (ASM_SPEC): Pass -k to the assembler for PIC code.
1177 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1179 * gcc/config.gcc: Add vax-*-linux* to the switch.
1180 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1181 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1183 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1185 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1186 Use predicate macros instead of GET_CODE() == foo.
1187 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1188 ashlsi3, rotrsi3, <unnamed>): Likewise.
1190 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1192 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1193 jbbccihi, jbbccisi): Remova trailing whitespace.
1194 * gcc/config/vax/constraints.md: Likewise.
1195 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1196 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1197 * gcc/config/vax/predicates.md: Likewise.
1198 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1199 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1200 * gcc/config/vax/vax.h: Likewise.
1201 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1203 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1205 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1206 (indirectable_address_p, adjacent_operands_p): Add spaces around
1208 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1210 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1212 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1213 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1214 index_term_p, reg_plus_index_p, legitimate_address_p,
1215 vax_mode_dependent_address_p): Update comments to match functions
1216 modified by the recent int->bool conversion.
1218 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1220 * gcc/config/vax/builtins.md: Update copyright message.
1221 * gcc/config/vax/constraints.md: Likewise.
1222 * gcc/config/vax/netbsd-elf.h: Likewise.
1223 * gcc/config/vax/predicates.md: Likewise.
1224 * gcc/config/vax/vax-protos.h: Likewise.
1225 * gcc/config/vax/vax.c: Likewise.
1226 * gcc/config/vax/vax.h: Likewise.
1227 * gcc/config/vax/vax.md: Likewise.
1228 * gcc/config/vax/vax.opt: Likewise.
1230 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1232 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1233 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1234 * gcc/config/vax/constraints.md (B, R): Likewise.
1235 * gcc/config/vax/predicates.md (external_memory_operand,
1236 nonimmediate_addsub_di_operand): Likewise.
1237 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1238 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1239 untyped_call): Likewise.
1241 2009-04-01 Matt Thomas <matt@3am-software.com>
1243 * config/vax/predicates.md: New file. (symbolic_operand,
1244 local_symbolic_operand, external_symbolic_operand,
1245 external_const_operand, nonsymbolic_operand, external_memory_operand,
1246 indirect_memory_operand, indexed_memory_operand,
1247 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1248 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1250 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1251 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1252 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1253 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1254 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1255 * config/vax/vax.opt (mqmath): Add option.
1256 * config/vax/vax.md (isfx): Extend with DI.
1257 (VAXintQH, VAXintQHSD): Define.
1258 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1259 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1260 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1261 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1262 (movdi): Update constraints and use vax_output_int_move().
1263 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1264 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1265 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1266 nonlocal_goto): New.
1267 (mov<mode>): Extend accepted operand types.
1268 (subdi3_old): Rename from subdi3, change update constraints and use
1269 a new implementation.
1270 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1271 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1272 MOVE_RATIO, CLEAR_RATIO): Define.
1273 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1274 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1275 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1276 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1277 (split_quadword_operands): Make static and really allow variable
1279 (print_operand_address): Update for PIC generation.
1280 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1281 indexable_address_p, fixup_mathdi_operand,
1282 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1283 (vax_float_literal, legitimate_constant_p,
1284 indirectable_constant_address_p, index_term_p,
1285 reg_plus_index_p): Return bool instead of int.
1286 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1288 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1290 (vax_output_conditional_branch): Indent.
1291 (legitimate_constant_address_p, indirectable_constant_address_p,
1292 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1293 vax_mode_dependent_address_p): Return bool instead of int, update for
1295 * config/vax/vax-protos.h (legitimate_constant_address_p,
1296 legitimate_constant_p, legitimate_address_p,
1297 vax_mode_dependent_address_p): Change declaration to bool.
1298 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1299 vax_expand_addsub_di_operands, vax_output_int_subtract,
1300 vax_output_movmemsi): Declare.
1301 (split_quadword_operands, vax_float_literal): Delete declaration.
1302 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1303 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1304 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1305 ASM_OUTPUT_DWARF_PCREL): Define.
1306 (ASM_SPEC): Change definition to allow PIC generation.
1308 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1311 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1312 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1313 (booldi3_internal3): Use boolean_or_operator instead of
1316 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1319 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1320 declarator whose size is not an integer constant expression but
1321 folds to an integer constant, then treat it as a constant
1324 2009-04-01 Richard Guenther <rguenther@suse.de>
1326 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1327 i * 4 + 2 to (i * 2 + 1) * 2.
1329 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1332 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1333 return if c_parser_asm_string_literal returned NULL.
1335 2009-04-01 Nick Clifton <nickc@redhat.com>
1337 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1339 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1340 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1341 other typedefs to avoid conflicts with libgcc2.c. Define labels
1342 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1344 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1345 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1348 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1350 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1352 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1353 Andrey Galkin <agalkin@hypercom.com>
1356 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1357 Make object_name unique for each process.
1359 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1362 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1363 addressable variables in the parallel that could go out of scope while
1364 running queued tasks.
1366 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1368 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1369 (CASE_VALUES_THRESHOLD): Redefine.
1370 * config/avr/avr.c (avr_override_options): Remove initialization of
1371 avr_case_values_threshold variable.
1372 (avr_case_values_threshold): Remove variable. Add new function.
1373 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1374 * config/avr/avr.opt (mno-tablejump): Remove option.
1375 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1377 2009-04-01 DJ Delorie <dj@redhat.com>
1379 * varasm.c (default_function_rodata_section): Don't assume
1380 anything about where the first '.' in the section name is.
1382 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1384 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1385 rs6000_emit_stack_tie.
1387 2009-03-31 Ian Lance Taylor <iant@google.com>
1389 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1390 gimple_code with GIMPLE_RESX, not RESX.
1392 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1394 * c-common.c (c_get_ident): New.
1395 (c_common_nodes_and_builtins): Call it for type names that may be
1398 2009-04-01 Ben Elliston <bje@au.ibm.com>
1400 * config/rs6000/sysv4.opt (msdata): Improve option description.
1402 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1404 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1405 (divdf3_internal_lat): Remove.
1406 (divxf3_internal_lat): Remove.
1407 (divxf3_internal_thr): Remove.
1408 (divxf): Use divxf3_internal.
1409 * config/ia64/div.md (divsf3_internal_lat): New.
1410 (divdf3_internal_lat): New.
1411 (divxf3_internal): New.
1413 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1416 * Makefile.in (USE_GCC_STDINT): Define.
1417 (stmp-int-hdrs): Install stdint.h if applicable.
1418 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1420 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1421 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1422 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1423 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1424 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1425 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1426 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1427 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1428 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1429 (c_common_nodes_and_builtins): Initialize
1430 underlying_wchar_type_node. Do not initialize
1431 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1432 nodes for new types.
1433 (c_stddef_cpp_builtins): Define macros for new types.
1434 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1436 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1437 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1438 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1439 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1440 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1441 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1442 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1443 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1444 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1445 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1446 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1447 int16_type_node, int32_type_node, int64_type_node,
1448 uint8_type_node, uint16_type_node, c_uint32_type_node,
1449 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1450 int_least32_type_node, int_least64_type_node,
1451 uint_least8_type_node, uint_least16_type_node,
1452 uint_least32_type_node, uint_least64_type_node,
1453 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1454 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1455 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1456 uintptr_type_node): Define.
1457 * c-cppbuiltin.c (builtin_define_constants,
1458 builtin_define_type_minmax): New.
1459 (builtin_define_stdint_macros): Define more macros.
1460 (c_cpp_builtins): Define more limit macros.
1462 (builtin_define_type_max): Define in terms of
1463 builtin_define_type_minmax. Remove is_long parameter. All
1465 * config.gcc (use_gcc_stdint): Define.
1466 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1467 Add newlib-stdint.h for generic targets.
1468 * config/glibc-stdint.h, config/newlib-stdint.h,
1469 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1470 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1471 * config/score/score.h (UINTPTR_TYPE): Define.
1472 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1473 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1474 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1475 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1476 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1477 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1478 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1479 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1480 * config/spu/spu.h (STDINT_LONG32): Define.
1481 * configure.ac (use_gcc_stdint): Substitute.
1482 * configure: Regenerate.
1483 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1484 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1485 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1486 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1487 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1488 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1489 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1490 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1491 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1492 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1493 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1494 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1495 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1496 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1497 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1498 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1499 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1500 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1501 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1502 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1503 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1504 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1505 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1506 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1507 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1508 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1509 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1510 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1511 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1513 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1515 * loop-iv.c (suitable_set_for_replacement): Renamed from
1516 simplify_using_assignment; changed to return bool and to accept new
1517 args DEST and SRC. Return true iff we find a source/destination pair
1518 that can be used to make a replacement, and fill SRC and DEST if so.
1519 Remove arg ALTERED. Don't deal with altered regs here. All callers
1521 (simplify_using_initial_values): Deal with altered regs here and track
1522 more precisely the effect they have on the validity of our expression.
1524 * loop-iv.c (simplify_using_condition): A condition of the form
1525 (EQ REG CONST) can be used to simply make a substitution.
1526 (simplify_using_initial_values): Keep track of conditions we have seen
1527 and keep using them to simplify new expressions, while applying the
1528 same substitutions to them as to the expression.
1530 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1531 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1534 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1535 changed. Use this when trying to improve the upper bound.
1536 Generate the comparison by using simplify_gen_relational.
1538 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1540 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1542 (simplify_using_assignment, simplify_using_initial_values): Call
1543 replace_in_expr to make replacements. Call replace_single_def_regs
1544 once on the initial version of the expression.
1546 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1549 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1551 2009-03-31 Richard Guenther <rguenther@suse.de>
1554 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1555 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1557 2009-03-31 Richard Guenther <rguenther@suse.de>
1559 * tree.h (div_if_zero_remainder): Declare.
1560 * fold-const.c (div_if_zero_remainder): Export.
1561 * tree-ssa-forwprop.c
1562 (forward_propagate_addr_into_variable_array_index): Handle
1563 constant array index addition outside of the variable index.
1565 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1568 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1569 define_splits, floatunssi<mode>2): Require x87 conversions from
1570 DImode to be permitted.
1572 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1574 PR preprocessor/15638
1575 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1577 2009-03-31 Richard Guenther <rguenther@suse.de>
1581 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1582 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1583 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1584 a separate statement.
1585 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1586 (lookup_tmp_var): Likewise.
1587 (is_gimple_formal_tmp_or_call_rhs): Remove.
1588 (is_gimple_reg_or_call_rhs): Rename to ...
1589 (is_gimple_reg_rhs_or_call): ... this.
1590 (is_gimple_mem_or_call_rhs): Rename to ...
1591 (is_gimple_mem_rhs_or_call): ... this.
1592 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1593 DECL_GIMPLE_REG_P only if is_formal is true.
1594 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1595 for non-proper post-modify expression gimplification.
1596 (gimplify_self_mod_expr): For post-modify expressions gimplify
1597 the lvalue to a minimal lvalue.
1598 (rhs_predicate_for): Remove formal temp case.
1599 (gimplify_modify_expr_rhs): Likewise.
1600 (gimplify_addr_expr): Use is_gimple_reg.
1601 (gimplify_expr): Remove formal temp cases.
1602 (gimple_regimplify_operands): Likewise.
1603 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1604 and FILTER_EXPR like constants.
1605 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1607 (is_gimple_formal_tmp_rhs): Remove.
1608 (is_gimple_reg_rhs): Remove special casing.
1609 (is_gimple_mem_rhs): Fix.
1610 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1611 (is_gimple_formal_tmp_var): Remove.
1612 (is_gimple_formal_tmp_reg): Likewise.
1613 (is_gimple_min_lval): Allow invariant component ref parts.
1614 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1615 is_gimple_formal_tmp_reg): Remove declarations.
1616 * tree-cfg.c (verify_expr): Verify that variables with address
1617 taken do not have DECL_GIMPLE_REG_P set.
1618 * tree-mudflap.c (mf_build_check_statement_for): Use
1619 force_gimple_operand instead of gimplify_expr.
1621 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1623 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1624 schedulable rows to compute_split_row.
1626 2009-03-31 Ben Elliston <bje@au.ibm.com>
1629 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1632 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1634 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1635 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1636 * configure: Regenerate.
1637 * config.in: Regenerate.
1638 * config/rs6000/rs6000.opt (mtls-markers): Add.
1639 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1640 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1641 (tls_ld_aix, tls_ld_sysv): Likewise.
1642 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1643 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1645 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1647 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1649 2009-03-30 Jan Hubicka <jh@suse.cz>
1651 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1653 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1654 detection and label handling.
1656 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1658 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1659 left_conflicts_size.
1660 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1661 ALLOCNO_LEFT_CONFLICTS_SIZE.
1663 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1664 remove_allocno_from_bucket_and_push,
1665 allocno_spill_priority_compare, push_allocnos_to_stack,
1666 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1667 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1668 (setup_allocno_left_conflicts_num): Ditto. Rename to
1669 setup_allocno_left_conflicts_size.
1670 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1671 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1672 setup_allocno_left_conflicts_size instead of
1673 setup_allocno_left_conflicts_num.
1675 * ira-build.c (ira_create_allocno): Use
1676 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1677 ALLOCNO_LEFT_CONFLICTS_NUM.
1679 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1681 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1682 instead of DF_LR_OUT.
1684 * ira-lives.c (process_bb_node_lives): Ditto.
1686 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1687 instead of DF_LR_{OUT,IN}.
1689 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1691 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1693 2009-03-30 Jan Hubicka <jh@suse.cz>
1695 * except.c (label_to_region_map): Fix thinko.
1697 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1700 * tree.h (tree_find_value): New declaration.
1701 * tree.c (tree_find_value): New function.
1702 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1704 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1707 * c-decl.c (struct c_binding): Add locus field.
1708 (bind): Add locus argument, set locus field from it.
1709 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1710 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1711 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1712 implicitly_declare, undeclared_variable, lookup_label,
1713 declare_label, c_make_fname_decl, c_builtin_function,
1714 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1717 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1720 * config/i386/i386.c (classify_argument): Check total size of
1723 2009-03-30 Martin Jambor <mjambor@suse.cz>
1725 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1726 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1727 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1730 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1731 seen_variable_array_ref while also traversing a union.
1733 * tree-inline.c (optimize_inline_calls): Do not call
1734 cgraph_node_remove_callees.
1735 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1736 (pass_remove_cgraph_callee_edges): New variable.
1737 * passes.c (init_optimization_passes): Add
1738 pass_remove_cgraph_callee_edges after early inlining and before all
1739 late intraprocedural passes.
1741 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1743 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1745 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1748 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1750 * combine.c (simplify_comparison): Use have_insn_for.
1751 * dojump.c (do_jump): Likewise.
1753 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1755 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1756 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1757 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1758 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1759 instead of sparc_compare_emitted.
1760 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1761 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1762 instead of sparc_compare_emitted.
1764 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1766 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1767 enter/exit cfglayout mode.
1768 (pass_partition_block): Require it.
1769 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1770 (combine_instructions): Track basic blocks instead of labels.
1771 (update_cfg_for_uncondjump): New.
1772 (try_combine): Use it. Update jumps after rescanning.
1773 (pass_combine): Require PROP_cfglayout.
1774 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1776 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1778 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1779 Provide/destroy PROP_cfglayout respectively.
1780 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1781 * tree-pass.h (PROP_cfglayout): New.
1783 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1785 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1786 fold_convert_const_fixed_from_fixed,
1787 fold_convert_const_fixed_from_int,
1788 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1789 set TREE_CONSTANT_OVERFLOW.
1790 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1791 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1793 2009-03-30 Ira Rosen <irar@il.ibm.com>
1795 * tree-vect-loop-manip.c: New file.
1796 * tree-vectorizer.c: Update documentation and included files.
1797 (vect_loop_location): Make extern.
1798 (rename_use_op): Move to tree-vect-loop-manip.c
1799 (rename_variables_in_bb, rename_variables_in_loop,
1800 slpeel_update_phis_for_duplicate_loop,
1801 slpeel_update_phi_nodes_for_guard1,
1802 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1803 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1804 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1805 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1806 find_loop_location): Likewise.
1807 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1808 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1809 get_vectype_for_scalar_type, vect_is_simple_use,
1810 supportable_widening_operation, supportable_narrowing_operation):
1812 (bb_in_loop_p): Move to tree-vect-loop.c.
1813 (new_loop_vec_info, destroy_loop_vec_info,
1814 reduction_code_for_scalar_code, report_vect_op,
1815 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1816 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1817 (vect_supportable_dr_alignment): Likewise.
1818 * tree-vectorizer.h (tree-data-ref.h): Include.
1819 (vect_loop_location): Declare.
1820 Reorganize function declarations according to the new file structure.
1821 * tree-vect-loop.c: New file.
1822 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1823 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1824 * tree-vect-data-refs.c: New file.
1825 * tree-vect-patterns.c (timevar.h): Don't include.
1826 * tree-vect-stmts.c: New file.
1827 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1828 tree-vect-slp.c, tree-vect-loop.c.
1829 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1830 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1831 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1832 (tree-vect-analyze.o): Remove.
1833 (tree-vect-transform.o): Likewise.
1834 (tree-vect-data-refs.o): Add rule.
1835 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1836 tree-vect-slp.o): Likewise.
1837 (tree-vect-patterns.o): Remove redundant dependencies.
1838 (tree-vectorizer.o): Likewise.
1839 * tree-vect-slp.c: New file.
1841 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1843 * optc-gen.awk: Warn if an option flag has multiple different
1846 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1848 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1849 -floop-block): Document dependences on PPL, CLooG and Graphite.
1851 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1853 PR rtl-optimization/323
1854 * c-common.c (c_fully_fold, convert_and_check,
1855 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1856 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1857 * c-common.def (EXCESS_PRECISION_EXPR): New.
1858 * c-cppbuiltin.c (builtin_define_float_constants): Define
1859 constants with enough digits for long double.
1860 * c-lex.c (interpret_float): Interpret constant with excess
1861 precision where appropriate.
1862 * c-opts.c (c_common_post_options): Set
1863 flag_excess_precision_cmdline. Give an error for
1864 -fexcess-precision=standard for C++ for processors where the
1865 option is significant.
1866 * c-parser.c (c_parser_conditional_expression): Handle excess
1867 precision in condition.
1868 * c-typeck.c (convert_arguments): Handle arguments with excess
1870 (build_unary_op): Move excess precision outside operation.
1871 (build_conditional_expr): Likewise.
1872 (build_compound_expr): Likewise.
1873 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1874 (build_modify_expr): Handle excess precision in RHS.
1875 (convert_for_assignment): Handle excess precision in converted
1877 (digest_init, output_init_element, process_init_element): Handle
1878 excess precision in initializer.
1879 (c_finish_return): Handle excess precision in return value.
1880 (build_binary_op): Handle excess precision in operands and add
1881 excess precision as needed for operation.
1882 * common.opt (-fexcess-precision=): New option.
1883 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1884 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1885 For standard excess precision, output explicit conversion to and
1886 truncation from XFmode.
1887 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1888 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1889 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1890 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1891 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1892 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1893 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1894 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1895 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1896 define_splits, sqrt<mode>2): Disable where appropriate for
1897 standard excess precision.
1898 * convert.c (convert_to_real): Do not shorten arithmetic to type
1899 for which excess precision would be used.
1900 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1901 * doc/invoke.texi (-fexcess-precision=): Document option.
1902 (-mfpmath=): Correct index entry.
1903 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1904 flag_excess_precision): New.
1905 * langhooks.c (lhd_post_options): Set
1906 flag_excess_precision_cmdline.
1907 * opts.c (common_handle_option): Handle -fexcess-precision=.
1908 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1909 init_excess_precision): New.
1910 (lang_dependent_init_target): Call init_excess_precision.
1911 * tree.c (excess_precision_type): New.
1912 * tree.h (excess_precision_type): Declare.
1914 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1917 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1918 non-lvalue to component.
1920 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1922 PR preprocessor/34695
1923 * Makefile.in (c-opts.o): Depend on c-tree.h.
1924 * c-common.c: Move down include of diagnostic.h.
1925 (done_lexing, c_cpp_error): New.
1926 * c-common.h (done_lexing): Declare.
1927 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1929 * c-opts.c: Include c-tree.h.
1930 (c_common_init_options): Set preprocessor error callback.
1931 (c_common_handle_option): Do not set preprocessor
1932 inhibit_warnings, warnings_are_errors, warn_system_headers,
1933 pedantic_errors or inhibit_warnings flags.
1934 (c_common_post_options): Do not check cpp_errors (parse_in).
1935 (c_common_finish): Do not output dependencies if there were
1936 errors. Do not check return value of cpp_finish.
1937 * c-ppoutput.c (pp_file_change): Set input_location.
1938 * c-tree.h (c_cpp_error): Declare.
1939 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1941 (diagnostic_build_prefix): Check override_column.
1942 * diagnostic.h (diagnostic_info): Add override_column field.
1943 (diagnostic_override_column): Define.
1945 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1947 * c-common.c (c_expand_expr, c_staticp): Remove.
1948 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1949 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1950 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1951 * c-gimplify.c (gimplify_compound_literal_expr,
1952 optimize_compound_literals_in_ctor): Remove.
1953 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1954 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1955 * c-semantics.c (emit_local_var): Remove.
1957 * langhooks-def.h (lhd_expand_expr): Remove.
1958 * langhooks.c (lhd_expand_expr): Remove.
1959 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1961 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1962 handling from c-semantics.c; don't call into langhook.
1963 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1964 * gimplify.c (gimplify_compound_literal_expr,
1965 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1966 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1967 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1968 as was done in c-gimplify.c.
1969 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1970 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1971 Move from c-common.h.
1972 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1974 * tree.c (staticp): Do not call langhook.
1975 * langhooks.c (lhd_staticp): Delete.
1976 * langhooks-def.h (lhd_staticp): Delete prototype.
1977 (LANG_HOOKS_STATICP): Delete.
1978 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1980 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1981 instead of DECL_STMTs.
1983 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1991 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1993 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1994 contained expression.
1995 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1996 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1997 conditional expressions for C.
1998 (decl_constant_value_for_optimization): Move from
1999 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2000 whether optimizing and that the expression is a VAR_DECL not of
2001 array type instead of doing such checks in the caller. Do not
2002 check pedantic. Call gcc_unreachable for C++.
2003 * c-common.def (C_MAYBE_CONST_EXPR): New.
2004 * c-common.h (c_fully_fold, c_save_expr,
2005 decl_constant_value_for_optimization): New prototypes.
2006 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2007 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2008 EXPR_INT_CONST_OPERANDS): Define.
2009 * c-convert.c (convert): Strip nops from expression.
2010 * c-decl.c (groktypename): Take extra parameters expr and
2011 expr_const_operands. Update call to grokdeclarator.
2012 (start_decl): Update call to grokdeclarator. Add statement for
2013 expressions used in type of decl.
2014 (grokparm): Update call to grokdeclarator.
2015 (push_parm_decl): Update call to grokdeclarator.
2016 (build_compound_literal): Add parameter non_const and build a
2017 C_MAYBE_COSNT_EXPR if applicable.
2018 (grokdeclarator): Take extra parameters expr and
2019 expr_const_operands. Track expressions used in declaration
2020 specifiers and declarators. Fold array sizes and track whether
2021 they are constant expressions and whether they are integer
2022 constant expressions.
2023 (parser_xref_tag): Set expr and expr_const_operands fields in
2025 (grokfield): Update call to grokdeclarator.
2026 (start_function): Update call to grokdeclarator.
2027 (build_null_declspecs): Set expr and expr_const_operands fields in
2029 (declspecs_add_type): Handle expressions in typeof specifiers.
2030 * c-parser.c (c_parser_declspecs): Set expr and
2031 expr_const_operands fields for declaration specifiers.
2032 (c_parser_enum_specifier): Likewise.
2033 (c_parser_struct_or_union_specifier): Likewise.
2034 (c_parser_typeof_specifier): Likewise. Update call to
2035 groktypename. Fold expression as needed. Return expressions with
2036 type instead of adding statements.
2037 (c_parser_attributes): Update calls to c_parser_expr_list.
2038 (c_parser_statement_after_labels): Fold expression before passing
2039 to objc_build_throw_stmt.
2040 (c_parser_condition): Fold expression.
2041 (c_parser_asm_operands): Fold expression.
2042 (c_parser_conditional_expression): Use c_save_expr. Update call
2043 to build_conditional_expr.
2044 (c_parser_alignof_expression): Update call to groktypename.
2045 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2046 original_code. Fold expression argument of va_arg. Create
2047 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2048 argument to va_arg. Update calls to groktypename. Fold array
2049 index for offsetof. Verify that first argument to
2050 __builtin_choose_expr has integer type.
2051 (c_parser_postfix_expression_after_paren_type): Update calls to
2052 groktypename and build_compound_literal. Handle expressions with
2053 side effects in type name.
2054 (c_parser_postfix_expression_after_primary): Update call to
2055 c_parser_expr_list. Set original_code for calls to
2056 __builtin_constant_p.
2057 (c_parser_expr_list): Take extra parameter fold_p. Fold
2058 expressions if requested.
2059 (c_parser_objc_type_name): Update call to groktypename.
2060 (c_parser_objc_synchronized_statement): Fold expression.
2061 (c_parser_objc_receiver): Fold expression.
2062 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2063 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2064 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2065 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2066 (struct c_typespec): Add elements expr and expr_const_operands.
2067 (struct c_declspecs): Add elements expr and expr_const_operands.
2068 (groktypename, build_conditional_expr, build_compound_literal):
2070 (in_late_binary_op): Declare.
2071 * c-typeck.c (note_integer_operands): New function.
2072 (in_late_binary_op): New variable.
2073 (decl_constant_value_for_broken_optimization): Move to c-common.c
2074 and rename to decl_constant_value_for_optimization.
2075 (default_function_array_conversion): Do not strip nops.
2076 (default_conversion): Do not call
2077 decl_constant_value_for_broken_optimization.
2078 (build_array_ref): Do not fold result.
2079 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2080 result when operand is a VLA.
2081 (c_expr_sizeof_type): Update call to groktypename. Handle
2082 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2083 result when operand names a VLA type.
2084 (build_function_call): Update call to build_compound_literal.
2085 Only fold result for calls to __builtin_* functions. Strip
2086 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2087 the function designator.
2088 (convert_arguments): Fold arguments. Update call to
2089 convert_for_assignment.
2090 (build_unary_op): Handle increment and decrement of
2091 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2092 decrement earlier. Fold operand of increment and decrement.
2093 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2094 built for integer operand. Wrap returns that are INTEGER_CSTs
2095 without being integer constant expressions or that have integer
2096 constant operands without being INTEGER_CSTs.
2097 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2098 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2099 result is an integer constant expression or can be used in
2100 unevaluated parts of one and avoid folding and wrap as
2101 appropriate. Fold operands before possibly doing -Wsign-compare
2103 (build_compound_expr): Wrap result for C99 if operands can be used
2104 in integer constant expressions.
2105 (build_c_cast): Update call to digest_init. Do not ignore
2106 overflow from casting floating-point constants to integers. Wrap
2107 results that could be confused with integer constant expressions,
2108 null pointer constants or floating-point constants.
2109 (c_cast_expr): Update call to groktypename. Handle expressions
2110 included in type name.
2111 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2112 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2113 Update calls to convert_for_assignment.
2114 (convert_for_assignment): Take new parameter
2115 null_pointer_constant. Do not strip nops or call
2116 decl_constant_value_for_broken_optimization. Set
2117 in_late_binary_op for conversions to boolean.
2118 (store_init_value): Update call to digest_init.
2119 (digest_init): Take new parameter null_pointer_constant. Do not
2120 call decl_constant_value_for_broken_optimization. pedwarn for
2121 initializers not constant expressions. Update calls to
2122 convert_for_assignment.
2123 (constructor_nonconst): New.
2124 (struct constructor_stack): Add nonconst element.
2125 (really_start_incremental_init, push_init_level, pop_init_level):
2126 Handle constructor_nonconst and nonconst element.
2127 (set_init_index): Call constant_expression_warning for array
2129 (output_init_element): Fold value. Set constructor_nonconst as
2130 applicable. pedwarn for initializers not constant expressions.
2131 Update call to digest_init. Call constant_expression_warning
2132 where constant initializers are required.
2133 (process_init_element): Use c_save_expr.
2134 (c_finish_goto_ptr): Fold expression.
2135 (c_finish_return): Fold return value. Update call to
2136 convert_for_assignment.
2137 (c_start_case): Fold switch expression.
2138 (c_process_expr_stmt): Fold expression.
2139 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2140 ensure statement expression is not evaluated in constant expression.
2141 (build_binary_op): Track whether results are integer constant
2142 expressions or may occur in such, disable folding and wrap results
2143 as applicable. Fold operands for -Wsign-compare warnings unless
2145 (c_objc_common_truthvalue_conversion): Handle results folded to
2146 integer constants that are not integer constant expressions.
2147 * doc/extend.texi: Document when typeof operands are evaluated,
2148 that condition of __builtin_choose_expr is an integer constant
2149 expression, and more about use of __builtin_constant_p in
2152 2009-03-29 Richard Guenther <rguenther@suse.de>
2154 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2155 propagate addresses of array references.
2157 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2159 * regmove.c (perhaps_ends_bb_p): Remove.
2160 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2161 from INSN and check that the main loop stays within that basic block.
2162 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2163 (regmove_forward_pass): Split out from regmove_optimize. Use
2164 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2165 (regmove_backward_pass): Split out from regmove_optimize. Use
2166 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2167 (regmove_optimize): Simplify.
2169 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2172 * config/i386/i386.c (classify_argument): Ignore flexible array
2173 member in struct and warn ABI change.
2175 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2177 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2179 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2180 (ix86_adjust_cost): Updated.
2182 2009-03-29 Jan Hubicka <jh@suse.cz>
2185 * tree-pass.h (pass_cleanup_eh): New function.
2186 (remove_unreachable_regions): Break code handling RTL
2187 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2188 that can not be reached by runtime.
2189 (can_be_reached_by_runtime): New function.
2190 (label_to_region_map): New function.
2191 (num_eh_regions): New function.
2192 (rtl_remove_unreachable_regions): New function.
2193 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2194 (remove_eh_region): New function.
2195 * except.h: Include sbitmap and vecprim.
2196 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2197 num_eh_regions): Declare.
2198 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2199 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2200 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2201 (tree_empty_eh_handler_p): New function.
2202 (cleanup_empty_eh): New function.
2203 (cleanup_eh): New function.
2204 (pass_cleanup_eh): New function.
2206 2009-03-29 Jan Hubicka <jh@suse.cz>
2208 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2209 for removed regions.
2211 2009-03-29 Jan Hubicka <jh@suse.cz>
2213 * except.c (dump_eh_tree): Dump all datastructures.
2215 2009-03-29 Jan Hubicka <jh@suse.cz>
2217 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2218 (duplicate_eh_regions_1): Likewise.
2219 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2220 vector; call EH verification.
2221 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2222 Be ready for region being removed.
2224 2009-03-29 Jan Hubicka <jh@suse.cz>
2226 * bitmap.c (bitmap_last_set_bit): New function.
2227 * bitmap.h (bitmap_last_set_bit): Declare.
2229 2009-03-29 David Ayers <ayers@fsfe.org>
2232 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2233 by calling objc_compare_types and surpress warnings about
2234 incompatible C pointers that are compatible ObjC pointers.
2236 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2238 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2239 call initialize_inline_failed.
2240 (initialize_inline_failed): Move it from here ...
2241 * cgraph.c (initialize_inline_failed): ... to here.
2242 (cgraph_create_edge): Call initialize_inline_failed rather than
2243 setting inline_failed directly.
2245 2009-03-29 Ben Elliston <bje@au.ibm.com>
2248 * sysv4.opt (msdata): Improve comment.
2249 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2250 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2252 2009-03-29 Ben Elliston <bje@au.ibm.com>
2255 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2256 load and store attributes.
2258 2009-03-29 Ben Elliston <bje@au.ibm.com>
2260 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2261 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2262 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2263 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2264 __builtin_infq and __builtin_huge_valq.
2266 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2268 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2270 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2271 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2273 2009-03-28 Xinliang David Li <davidxl@google.com>
2275 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2276 (do_dbg_cnt): New function.
2278 2009-03-28 Jan Hubicka <jh@suse.cz>
2280 Merge from pretty-ipa:
2282 2009-03-27 Jan Hubicka <jh@suse.cz>
2284 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2285 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2286 * passes.c (function_called_by_processed_nodes_p): New.
2287 * ipa-pure-const.c (check_call): Fix handling of operands.
2288 (analyze_function): Dump debug output for skipped bodies.
2289 (local_pure_const): Use function_called_by_processed_nodes_p.
2290 * dwarf2out.c (reference_to_unused): Use output.
2291 * passes.c (do_per_function_toporder): Likewise.
2293 2008-11-12 Jan Hubicka <jh@suse.cz>
2295 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2296 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2297 state_set_in_source enum
2298 (check_decl): Ignore memory tags; do not set fake looping flags;
2300 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2301 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2302 (check_call, analyze_function): Rewrite.
2304 (add_new_function): Update call of analyze_function.
2305 (generate_summary): Add call of analyze_function.
2306 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2307 (local_pure_const): New function.
2308 (pass_local_pure_const): New pass.
2309 * ipa-inline.c (inline_transform): Set after_inlining.
2310 * tree-eh.c (stmt_can_throw_external): New.
2311 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2312 work with aliasing built.
2313 * tree-flow.h (stmt_can_throw_external): New.
2314 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2315 and local pure/const pass in early and late optimization queue.
2317 2009-03-28 Martin Jambor <mjambor@suse.cz>
2319 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2321 (fold_binary): Allow function decl aligment consideration is the
2322 second argument is integer constant one.
2323 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2324 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2325 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2327 2009-03-28 Jan Hubicka <jh@suse.cz>
2329 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2330 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2331 * function.h (rtl_data): Add nothrow flag.
2332 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2333 set DECL_NOTHROW for AVAILABLE functions.
2335 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2337 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2338 following vector keyword has expansion starting with pixel or bool
2339 keyword, expand vector to __vector and pixel or bool to __pixel or
2343 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2344 warn_if_disallowed_function_p): Removed.
2345 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2346 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2347 warning_if_disallowed_function_p.
2348 * flags.h (warn_if_disallowed_function_p,
2349 warn_disallowed_functions): Removed.
2350 * common.opt (Wdisallowed-function-list=): Removed.
2351 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2353 2009-03-28 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/38723
2356 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2359 2009-03-28 Jan Hubicka <jh@suse.cz>
2361 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2362 test introduced by my previous patch.
2364 2009-03-28 Richard Guenther <rguenther@suse.de>
2366 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2367 the PHIs value undefined.
2369 2009-03-28 Jan Hubicka <jh@suse.cz>
2371 * tree-pass.h (pass_fixup_cfg): New pass.
2372 * ipa-inline.c (inline_transform): Set
2373 always_inline_functions_inlined/after_inlining.
2374 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2375 (pass_fixup_cfg): New pass.
2376 * passes.c (init_optimization_passes): Add fixup_cfg.
2378 2009-03-28 Richard Guenther <rguenther@suse.de>
2380 PR tree-optimization/38458
2381 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2382 argument use the arguments copy-of value.
2384 2009-03-28 Richard Guenther <rguenther@suse.de>
2386 PR tree-optimization/38180
2387 * tree-ssa-ccp.c (get_default_value): Simplify.
2388 (likely_value): Likewise.
2389 (surely_varying_stmt_p): Properly handle VOP case.
2390 (ccp_initialize): Likewise.
2391 (ccp_fold): Handle propagating through *&.
2392 (fold_const_aggregate_ref): Also handle decls.
2394 2009-03-28 Jan Hubicka <jh@suse.cz>
2396 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2397 * cgraph.h (cgraph_node): Likewise.
2398 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2399 (cgraph_reset_node): Use process flag.
2400 (cgraph_mark_functions_to_output): Likewise.
2401 (cgraph_expand_function): Likewise.
2402 (cgraph_expand_all_functions): Likewise.
2403 (cgraph_output_in_order): Likewise.
2404 * dwarf2out.c (reference_to_unused): Likewise.
2405 * passes.c do_per_function_toporder): Likewise.
2407 2009-03-28 Jan Hubicka <jh@suse.cz>
2409 Bring from lto-branch:
2411 2008-09-03 Doug Kwan <dougkwan@google.com>
2413 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2414 enums instead of reason strings.
2415 * cgraph.c (cgraph_create_edge): Same.
2416 (cgraph_inline_failed_string): New function.
2417 * cgraph.h (cgraph_inline_failed_t): New enum type.
2418 (cgraph_inline_failed_string): New prototype.
2419 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2420 char pointer to cgraph_inline_failed_t.
2421 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2422 (cgraph_default_inline_p): Ditto.
2423 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2424 to cgraph_inline_failed_t pointer.
2425 * cif-code.def: New file.
2426 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2428 (cgraph_check_inline_limits): Change type of REASON to pointer to
2429 cgraph_inline_failed_t. Replace reason strings with enums.
2430 (cgraph_default_inline_p): Ditto.
2431 (cgraph_recursive_inlining_p): Ditto.
2432 (update_caller_keys): Change type of FAILED_REASON to
2433 cgraph_inline_failed_t.
2434 (cgraph_set_inline_failed): Change type of REASON to pointer to
2435 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2436 convert enums to strings for text output.
2437 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2438 to be of type cgraph_inline_failed_t. Replace reason strings with
2439 enums. Call cgraph_inline_failed_string to covert enums
2440 to strings for text output.
2441 (cgraph_decide_inlining): Replace reason strings with enums.
2442 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2443 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2445 * tree-inline.c (expand_call_inline): Change type of REASON
2446 to cgraph_inline_failed_t. Replace reason strings with enums.
2447 Call cgraph_inline_failed_string for text output.
2448 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2451 2009-03-28 Jan Hubicka <jh@suse.cz>
2453 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2454 cgraph_clone_node): Remove master clone handling.
2455 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2456 * cgraph.h (master_clone): Remove.
2457 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2458 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2459 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2461 2009-03-28 Jan Hubicka <jh@suse.cz>
2463 * cgraph.c (cgraph_function_body_availability): Functions declared
2464 inline are always safe to assume that it is not going to be replaced.
2466 2009-03-28 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/38513
2469 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2470 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2471 EXC_PTR_EXPR and FILTER_EXPR.
2472 (get_ref_from_reference_ops): Likewise.
2474 2009-03-28 Richard Guenther <rguenther@suse.de>
2476 PR tree-optimization/38968
2477 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2478 Use FLOOR_MOD_EXPR to compute misalignment.
2480 2009-03-28 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/37795
2483 * tree.h (combine_comparisons): Declare.
2484 * fold-const.c (combine_comparisons): Export.
2485 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2487 (ifcombine_iforif): Use combine_comparisons.
2489 2009-03-28 Jan Hubicka <jh@suse.cz>
2491 * tree-eh.c (inlinable_call_p): New function.
2492 (make_eh_edges): Use it.
2493 (verify_eh_edges): Use it.
2494 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2495 * except.c (reachable_next_level): Add inlinable_function argument
2496 (sjlj_find_directly_reachable_regions): Update.
2497 (add_reachable_handler): Do not set saw_any_handlers.
2498 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2499 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2500 Add new inlinable call parameter.
2501 (can_throw_internal, can_throw_external): Update.
2502 * except.h (can_throw_internal_1, can_throw_external_1,
2503 foreach_reachable_handler): Update declaration.
2505 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2507 * config/arm/t-arm-coff, config/h8300/coff.h,
2508 config/i386/i386-aout.h, config/i386/i386-coff.h,
2509 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2510 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2511 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2512 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2513 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2514 sys-types.h: Remove.
2515 * Makefile.in: Remove protoize and fixproto support and references
2517 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2518 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2520 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2521 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2522 unprotoize$(exeext).
2523 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2524 (.PHONY): Don't depend on proto.
2525 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2526 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2527 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2528 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2529 build/gen-protos.o, build/scan.o, xsys-protos.h,
2530 build/fix-header$(build_exeext), build/fix-header.o,
2531 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2532 stmp-install-fixproto): Remove.
2533 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2534 SYSCALLS.c or fixproto files.
2535 (install-common): Don't install protoize.
2536 (install-headers-tar, install-headers-cpio, install-headers-cp):
2537 Don't depend on $(STMP_FIXPROTO).
2538 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2539 install fixproto files or write out fixproto settings.
2540 (uninstall): Don't uninstall protoize.
2541 * config.gcc (use_fixproto): Remove.
2542 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2543 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2544 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2545 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2546 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2547 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2548 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2549 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2550 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2551 * config/t-vxworks (STMP_FIXPROTO): Remove.
2552 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2553 STMP_FIXPROTO): Remove.
2554 * config.in, configure: Regenerate.
2555 * crtstuff.c (gid_t, uid_t): Don't undefine.
2556 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2557 (arm-*-coff, arm-*-aout: Remove target entries.
2558 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2559 Remove mention of AIX 4.1.
2560 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2561 * doc/invoke.texi (Running Protoize): Remove.
2562 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2563 (Protoize Caveats): Remove.
2564 * tsystem.h: Update comments on headers assumed to exist.
2566 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2568 * genautomata.c: Add a new year to the copyright. Add a new
2570 (struct insn_reserv_decl): Add comments for member bypass_list.
2571 (find_bypass): Remove.
2572 (insert_bypass): New.
2573 (process_decls): Use insert_bypass.
2574 (output_internal_insn_latency_func): Output all bypasses with the
2575 same input insn in one switch case.
2577 * rtl.def (define_bypass): Describe bypass choice.
2578 * doc/md.texi (define_bypass): Ditto.
2580 2009-03-27 Richard Guenther <rguenther@suse.de>
2582 * gimplify.c (mark_addressable): Export.
2583 * tree-flow.h (mark_addressable): Declare.
2584 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2585 * tree-ssa.c (verify_phi_args): Verify that address taken
2586 variables have TREE_ADDRESSABLE set.
2588 2009-03-27 Richard Guenther <rguenther@suse.de>
2590 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2591 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2592 Do not mark decls TREE_ADDRESSABLE.
2593 (build_fold_addr_expr): Adjust.
2594 (fold_addr_expr): Remove.
2595 (fold_unary): Use build_fold_addr_expr.
2596 (fold_comparison): Likewise.
2597 (split_address_to_core_and_offset): Likewise.
2598 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2600 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2601 (gimplify_modify_expr_to_memcpy): Mark source and destination
2603 * omp-low.c (create_omp_child_function): Mark the object decl
2605 (lower_rec_input_clauses): Mark the var we take the address of
2607 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2609 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2612 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2613 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2615 2009-03-27 Richard Guenther <rguenther@suse.de>
2617 PR tree-optimization/39120
2618 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2620 (handle_lhs_call): Process return constraints. Add escape
2621 constraints if necessary.
2622 (handle_const_call): Fill out return constraints. Make nested
2623 case more precise. Avoid consttmp if possible.
2624 (handle_pure_call): Fill out return constraints. Avoid
2625 callused if possible.
2626 (find_func_aliases): Simplify call handling.
2628 2009-03-27 Richard Guenther <rguenther@suse.de>
2630 PR tree-optimization/39120
2631 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2632 as a representative.
2633 (solve_graph): Do propagate CALLUSED.
2634 (handle_pure_call): Use a scalar constraint from CALLUSED for
2636 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2639 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2642 * c-common.c (handle_aligned_attribute): Properly check alignment
2643 overflow. Use (1U << i) instead of (1 << i).
2645 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2647 * expr.h (get_mem_align_offset): Updated.
2649 * tree.h (tree_decl_common): Change align to "unsigned int" and
2650 move it before pointer_alias_set.
2652 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2653 Jakub Jelinek <jakub@redhat.com>
2656 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2657 gr_register_operand with gr_reg_or_0_operand.
2658 (cmpxchg_rel_di): Likewise.
2659 (sync_lock_test_and_set<mode>): Likewise.
2661 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2663 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2664 (true_regnum): Likewise.
2666 * rtlanal.c (subreg_info): Moved to ...
2667 * rtl.h (subreg_info): Here. New.
2668 (subreg_get_info): New.
2670 * rtlanal.c (subreg_get_info): Make it extern.
2672 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2675 * config/i386/i386.c (ix86_abi): New.
2676 (override_options): Handle -mabi=.
2677 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2678 (ix86_call_abi_override): Likewise.
2679 (init_cumulative_args): Likewise.
2680 (function_arg_advance): Likewise.
2681 (function_arg_64): Likewise.
2682 (function_arg): Likewise.
2683 (ix86_pass_by_reference): Likewise.
2684 (ix86_function_value_regno_p): Likewise.
2685 (ix86_build_builtin_va_list_abi): Likewise.
2686 (setup_incoming_varargs_64): Likewise.
2687 (is_va_list_char_pointer): Likewise.
2688 (ix86_init_machine_status): Likewise.
2689 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2690 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2691 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2692 (ix86_function_abi): Make it static and return enum calling_abi.
2693 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2695 (ix86_fn_abi_va_list): Updated.
2697 * config/i386/i386.h (ix86_abi): New.
2698 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2699 (CONDITIONAL_REGISTER_USAGE): Likewise.
2700 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2701 (machine_function): Likewise.
2703 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2705 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2706 (STACK_BOUNDARY): Likewise.
2707 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2709 * config/i386/i386.opt (mabi=): New.
2711 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2712 return enum calling_abi.
2713 (ix86_function_type_abi): Likewise.
2714 (ix86_function_abi): Removed.
2716 * doc/invoke.texi: Document -mabi= option for x86.
2718 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2720 * builtins.c (real_dconstp): Delete.
2721 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2723 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2724 Jakub Jelinek <jakub@redhat.com>
2727 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2728 (gen_subprogram_die): When a function is explicit, generate the
2729 DW_AT_explicit attribute.
2730 * langhooks.h (struct lang_hooks_for_decls): Add
2731 function_decl_explicit_p langhook.
2732 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2733 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2735 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2737 * builtins.c (fold_builtin_memory_op): Optimize memmove
2738 into memcpy if we can prove source and destination don't overlap.
2740 * tree-inline.c: Include gt-tree-inline.h.
2741 (clone_fn_id_num): New variable.
2742 (clone_function_name): New function.
2743 (tree_function_versioning): Use it.
2744 * Makefile.in (GTFILES): Add tree-inline.c.
2746 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2748 * BASE-VER: Change to 4.5.0.
2750 2009-03-27 Xinliang David Li <davidxl@google.com>
2752 PR tree-optimization/39557
2753 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2755 2009-03-27 Xinliang David Li <davidxl@google.com>
2757 PR tree-optimization/39548
2758 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2761 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2763 * c-common.c (pointer_int_sum): Use %wd on return from
2766 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2768 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2769 on return from tree_low_cst.
2771 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2774 * ginclude/stdarg.h (va_copy): Define also for
2775 __GXX_EXPERIMENTAL_CXX0X__.
2777 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2780 * builtins.h (c_strlen): Do not warn here.
2781 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2782 * c-common.c (pointer_int_sum): Take an explicit location.
2783 Warn about offsets out of bounds.
2784 * c-common.h (pointer_int_sum): Adjust declaration.
2786 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2788 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2791 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2794 * opts.c (warn_if_disallowed_function_p): Don't assume
2795 get_callee_fndecl must return non-NULL.
2797 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2799 PR rtl-optimization/39522
2800 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2801 when reg_reloaded_valid is set.
2803 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2805 * config/spu/divv2df3.c: New file.
2806 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2807 (DPBIT_FUNCS): Filter out _div_df.
2809 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2811 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2812 a jump insn, count that jump in the distance to the loop start.
2814 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2817 * config/sh/sh.c (calc_live_regs): Fix condition for global
2818 registers except PIC_OFFSET_TABLE_REGNUM.
2820 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2823 * doc/invoke.texi (-mconsole): New.
2827 (-mnop-fun-dllimport): New.
2831 (sub section "i386 and x86-64 Windows Options"): New.
2833 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2835 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2836 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2838 2009-03-25 Richard Guenther <rguenther@suse.de>
2841 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2844 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2846 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2847 neither of haifa/selective schedulers are working.
2849 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2851 * doc/invoke.texi (Debugging Options): Fix description of
2852 -fno-merge-debug-strings.
2854 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2856 * config/cris/libgcc.ver: New version-script.
2857 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2859 * configure.ac <GAS features, nop mnemonic>: Add pattern
2860 crisv32-*-* for "nop".
2861 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2862 * configure: Regenerate.
2864 2009-03-24 Ira Rosen <irar@il.ibm.com>
2866 PR tree-optimization/39529
2867 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2868 mark_sym_for_renaming for the tag copied to the new vector
2871 2009-03-24 Arthur Loiret <aloiret@debian.org>
2873 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2874 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2875 EXTRA_SPEC_FUNCTIONS.
2876 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2877 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2878 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2879 -march and -mtune options.
2881 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2883 * config/m68k/t-rtems: Add m5329 multilib.
2885 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2886 Jakub Jelinek <jakub@redhat.com>
2889 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2892 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2895 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2896 instead of c_parser_expression_conv, if original_code isn't one of the
2897 4 allowed comparison codes, fail.
2899 2009-03-23 Richard Guenther <rguenther@suse.de>
2901 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2902 * tree.h (struct tree_type): Likewise.
2903 * reload.h (struct insn_chain): Likewise.
2904 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2905 * function.h (struct function): Likewise.
2906 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2908 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2910 PR tree-optimization/39516
2911 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2913 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2915 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2916 should be set true if BITS_PER_WORD of target is bigger than 32
2918 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2920 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2921 Translate -B-options to -rpath-link. Correct existing
2922 rpath-link and conditionalize on !nostdlib.
2924 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2926 * doc/extend.texi (Function Attributes, Variable Attributes):
2928 * doc/invoke.texi (Debugging Options, Optimize Options)
2929 (i386 and x86-64 Options, MCore Options): Likewise.
2931 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2934 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2935 it for block local namespace aliases.
2936 (gen_decl_die): Pass context_die to gen_namespace_die.
2938 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2941 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2942 minimum or maximum value.
2944 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2946 * reginfo.c (globalize_reg): Recompute derived reg sets.
2948 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2951 * libgcc2.c (mprotect): Do not use signed arguments for
2952 VirtualProtect, use DWORD arguments. Also fix the 'may
2953 be used uninitialized' warning for the np variable.
2955 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2958 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2959 functions using regparm calling conventions when not optimizing.
2960 (ix86_function_sseregparm): Similarly for sseregparm calling
2963 2009-03-19 Li Feng <nemokingdom@gmail.com>
2966 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2967 dependence if the first conflict is after niter iterations.
2969 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2972 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2973 functions with dynamic stack-pointer adjustments.
2975 2009-03-19 Ben Elliston <bje@au.ibm.com>
2977 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2978 option; change to -msdata=data.
2980 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2982 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2985 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2988 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2990 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2992 * doc/invoke.texi (Code Gen Options): Expand discussion of
2995 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2997 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2998 * matrix-reorg.c (struct matrix_info): Likewise.
2999 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3000 * rtl.h (struct mem_attrs): Likewise.
3001 * df.h (struct df): Likewise.
3002 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3003 * ira-int.h (struct ira_allocno): Likewise.
3004 * df-scan.c (struct df_collection_rec): Likewise.
3005 * ira.c (struct equivalence): Likewise.
3006 * function.c (struct temp_slot): Likewise.
3007 * cfgloop.h (struct loop): Likewise.
3010 * function.c (use_register_for_decl): When not optimizing, disregard
3011 register keyword for variables with types containing methods.
3013 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3016 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3017 (is_simple_operand): Call contains_component_ref_p before calling data
3018 reference analysis that would fail on COMPONENT_REFs.
3020 * tree-vrp.c (search_for_addr_array): Fix formatting.
3022 2009-03-18 Richard Guenther <rguenther@suse.de>
3024 * tree-vect-transform.c (vect_loop_versioning): Fold the
3025 generated comparisons.
3026 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3027 (slpeel_tree_peel_loop_to_edge): Likewise.
3029 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3032 * opts.c (print_specific_help): In addition to `undocumented',
3033 accept `separate' and `joined' flags if passed alone. Describe
3034 output by the first matched one of those.
3035 (common_handle_option): Skip over empty strings.
3036 * gcc.c (display_help): Fix help string for `--help='.
3037 * doc/invoke.texi (Option Summary, Overall Options): With
3038 `--help=', classes and qualifiers can both be repeated, but
3039 only the latter can be negated. One should not pass only
3040 negated qualifiers. Fix markup and examples.
3043 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3045 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3046 and -fhelp=separate.
3048 2009-03-17 Jing Yu <jingyu@google.com>
3051 * function.h (struct rtl_data): Move is_thunk from here...
3052 (struct function): ...to here.
3053 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3054 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3056 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3058 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3059 (alpha_output_function_end_prologue): Likewise.
3060 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3061 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3062 (rs6000_output_function_epilogue): Likewise.
3063 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3065 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3068 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3069 from different units in a single alternative.
3070 (*truncdfsf_i387): Ditto.
3071 (*truncxfsf2_mixed): Ditto.
3072 (*truncxfdf2_mixed): Ditto.
3074 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3076 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3077 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3080 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3081 unused non-artificial variables when not optimizing.
3084 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3085 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3086 NAMESPACE_DECL in its DECL_INITIAL.
3089 * optabs.c (set_user_assembler_libfunc): New function.
3090 * expr.h (set_user_assembler_libfunc): New prototype.
3091 * c-common.c: Include libfuncs.h.
3092 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3093 for memcmp, memset, memcpy, memmove and abort.
3094 * Makefile.in (c-common.o): Depend on libfuncs.h.
3097 * dwarf2out.c (gen_inlined_enumeration_type_die,
3098 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3099 gen_tagged_type_instantiation_die): Removed.
3100 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3103 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3106 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3108 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3109 (check-parallel-%): Ditto.
3110 (check-consistency): Ditto.
3112 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3114 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3115 local variable rhs by NULL_TREE.
3117 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3120 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3122 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3125 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3127 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3130 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3131 for ms->sysv ABI calls only in 64bit mode.
3133 * config/i386/i386.md (untyped_call): Support 32bit.
3135 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3137 * doc/extend.texi: Replace x86_65 with x86_64.
3139 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3141 PR tree-optimization/39455
3142 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3143 mismatches for POINTER_TYPE_P (type).
3144 (number_of_iterations_le): Likewise.
3146 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3148 * config/picochip/picochip.c: Removed profiling support.
3149 * config/picochip/picochip.md: Removed profiling instruction.
3150 * config/picochip/picochip.h: Removed profiling builtin.
3152 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3154 * doc/install.texi (--with-host-libstdcxx): Document.
3156 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3159 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3160 generate a warning if the function name does not begin with
3161 "__vector" and the function has either the 'signal' or 'interrupt'
3162 attribute, from here to ...
3163 (avr_declare_function_name): ...here. New function.
3164 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3165 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3167 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3170 * cse.c (fold_rtx): Don't modify original const_arg1 when
3171 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3172 separate variable instead.
3173 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3174 from out of range shift counts.
3175 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3177 2008-03-13 Catherine Moore <clm@codesourcery.com>
3179 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3180 diagnostic.h with $(DIAGNOSTIC_H).
3182 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3185 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3187 * config/i386/sync.md (sync_compare_and_swap<mode>,
3188 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3189 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3191 (sync_double_compare_and_swapdi_pic,
3192 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3193 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3195 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3198 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3200 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3203 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3204 (avx_addsubv4df3): Likewise.
3205 (*avx_addsubv4sf3): Likewise.
3206 (sse3_addsubv4sf3): Likewise.
3208 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3211 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3213 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3216 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3217 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3218 registers for allocnos created from user-defined variables.
3220 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3223 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3224 of non-integer mode as well.
3226 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3228 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3229 for functions for which the parameter types are unknown.
3231 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3234 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3235 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3236 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3237 * config/i386/i386.c (ix86_local_alignment): For
3238 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3239 long long variables on the stack to avoid dynamic realignment.
3240 Allow the first argument to be a decl rather than type.
3241 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3243 2009-03-11 Nick Clifton <nickc@redhat.com>
3246 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3248 Add description to mno-lsim option.
3249 * config/mcore/mcore.h: Remove comment about deprecated m4align
3251 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3252 * doc/invoke.texi: Add description of mno-lsim and
3253 mstack-increment options.
3255 * config/fr30/fr30.opt: Document the -mno-lsim option.
3256 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3257 and -mno-lsim options.
3259 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3261 * fold-const.c (fold_comparison): Only call fold_inf_compare
3262 if the mode supports infinities.
3264 2009-03-11 Jason Merrill <jason@redhat.com>
3267 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3268 end already did. Notice GIMPLE_CALL modifications of the result.
3269 Don't copy debug information from an ignored decl or a decl from
3272 2009-03-10 Richard Guenther <rguenther@suse.de>
3273 Nathan Froyd <froydnj@codesourcery.com>
3276 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3277 (__divMODE3): Likewise.
3279 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3281 PR tree-optimization/39394
3282 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3283 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3285 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3287 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3288 inline asms for register asm ("") declarations.
3290 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3292 * fold-const.c (fold_unary): Fix comment.
3294 2009-03-07 Jan Hubicka <jh@suse.cz>
3297 * tree-inline.c (setup_one_parameter): Do replacement of const
3298 argument by constant in SSA form.
3300 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3303 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3304 determine alignment passed to assign_stack_local.
3305 (assign_parms_unsplit_complex): Likewise.
3306 * except.c (sjlj_build_landing_pads): Likewise.
3308 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3311 * tree-flow.h (add_referenced_var): Return bool instead of void.
3312 * tree-dfa.c (add_referenced_var): Return result of
3313 referenced_var_check_and_insert call.
3314 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3315 of referenced_var_check_and_insert.
3318 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3319 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3320 DIE, don't emit it if abstract origin already has it.
3321 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3322 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3324 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3326 * genpreds.c (needs_variable): Fix parentheses at variable name
3328 (write_tm_constrs_h): Indent generated code.
3330 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3332 * doc/extend.texi (Function Attributes): Add documentation
3335 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3338 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3339 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3341 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3343 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3346 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3349 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3350 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3352 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3354 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3355 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3356 constants instead of magic numbers.
3357 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3359 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3360 (x86_64_ms_abi_int_parameter_registers): Ditto.
3361 (x86_64_int_return_registers): Ditto.
3362 (ix86_maybe_switch_abi): Ditto.
3363 (ix86_expand_call): Ditto for clobbered_registers array.
3364 (ix86_hard_regno_mode_ok): Ditto.
3365 (x86_extended_QIreg_mentioned_p): Ditto.
3367 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3369 PR tree-optimization/39349
3370 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3372 * combine.c (gen_lowpart_for_combine): Use omode when generating
3375 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3377 PR rtl-optimization/39235
3378 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3380 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3382 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3384 2009-03-04 Richard Guenther <rguenther@suse.de>
3386 PR tree-optimization/39362
3387 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3388 that occur in abnormal PHIs should be varying.
3390 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3392 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3394 (simple_iv): Take loop as an argument instead of statement.
3395 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3396 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3398 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3400 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3401 * matrix-reorg.c (analyze_transpose): Ditto.
3402 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3403 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3404 * tree-predcom.c (ref_at_iteration): Ditto.
3405 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3407 2009-03-04 Richard Guenther <rguenther@suse.de>
3409 PR tree-optimization/39358
3410 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3411 escaped_id and callused_id.
3412 (solve_graph): Likewise.
3414 2009-03-04 Richard Guenther <rguenther@suse.de>
3416 PR tree-optimization/39339
3417 * tree-sra.c (try_instantiate_multiple_fields): Make it
3418 no longer ICE on the above.
3420 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3422 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3423 that fits within Pmode.
3425 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3428 * tm.texi (LIBCALL_VALUE): Update description.
3430 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3433 * doc/extend.texi (section): Update description.
3435 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3438 * tree-inline.c (remapped_type): New.
3439 (can_be_nonlocal): Call remapped_type instead of remap_type.
3441 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3444 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3445 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3447 2009-03-03 Richard Guenther <rguenther@suse.de>
3450 * tree.c (tree_nonartificial_location): New function.
3451 * tree.h (tree_nonartificial_location): Declare.
3452 * builtins.c (expand_builtin_memory_chk): Provide location
3453 of the call location for artificial function pieces.
3454 (maybe_emit_chk_warning): Likewise.
3455 (maybe_emit_sprintf_chk_warning): Likewise.
3456 (maybe_emit_free_warning): Likewise.
3457 * expr.c (expand_expr_real_1): Likewise.
3459 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3461 PR tree-optimization/39343
3462 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3463 COMPONENT_REF t has ARRAY_TYPE.
3465 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3468 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3469 when the type precision of the induction variable should be
3470 larger than the type precision of nit.
3471 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3472 * graphite.c (graphite_loop_normal_form): Same.
3473 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3475 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3477 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3478 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3479 numbers to describe clobbered registers.
3480 (*call_value_0_rex64_ms_sysv): Ditto.
3481 * config/i386/mmx.md (mmx_emms): Ditto.
3484 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3486 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3489 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3491 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3492 (spu_section_type_flags): New function.
3494 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3496 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3497 reg_class_contents of FLOAT_REGS into a temporary.
3499 2009-03-02 Richard Guenther <rguenther@suse.de>
3500 Ira Rosen <irar@il.ibm.com>
3502 PR tree-optimization/39318
3503 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3504 information to the vectorized statement.
3506 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3508 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3509 variable. Use defined names instead of magic constants for REX SSE
3512 2009-03-01 Richard Guenther <rguenther@suse.de>
3514 PR tree-optimization/39331
3515 * omp-low.c (lower_send_shared_vars): Do not receive new
3516 values for the reference of DECL_BY_REFERENCE parms or results.
3518 2009-03-01 Jan Hubicka <jh@suse.cz>
3521 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3522 BLOCK_NONLOCALIZED_VAR): New macros.
3523 (tree_block): Add nonlocalized_vars.
3524 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3525 gen_decl_die): Add origin argument. Allow generation of die with
3526 origin at hand only.
3527 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3528 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3530 (gen_block_die): Fix checking for unused blocks.
3531 (process_scope_var): Break out from .... ; work with origins only.
3532 (decls_for_scope) ... here; process nonlocalized list.
3533 (dwarf2out_ignore_block): Look for nonlocalized vars.
3534 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3536 (dump_scope_block): Dump them.
3537 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3538 (remap_block): Likewise.
3539 (can_be_nonlocal): New predicate.
3540 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3542 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3544 * configure: Regenerate.
3546 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3548 * optc-gen.awk: No need to duplicate option flags twice.
3549 Reuse help texts for duplicate options which do not have any.
3551 * gcc.c (display_help): Document --version.
3553 * gcc.c (main): If print_help_list and verbose_flag, ensure
3554 driver output comes before subprocess output.
3556 * optc-gen.awk: Assign all remaining fields to help string,
3557 space-separated, for multi-line help in *.opt.
3559 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3560 -Wno-pedantic-ms-format is for MinGW targets only.
3562 * doc/options.texi (Option file format): Fix bad indentation,
3563 restoring dropped sentence.
3565 2009-02-28 Jan Hubicka <jh@suse.cz>
3567 * tree-inline.c (tree_function_versioning): Output debug info.
3569 2009-02-28 Jan Hubicka <jh@suse.cz>
3572 * tree-inline.c (setup_one_parameter): Do not copy propagate
3573 arguments when not optimizing.
3575 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3578 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3579 (avx_addsubv4df3): Likewise.
3580 (*avx_addsubv4sf3): Likewise.
3581 (sse3_addsubv4sf3): Likewise.
3582 (*avx_addsubv2df3): Likewise.
3583 (sse3_addsubv2df3): Likewise.
3584 (avx_unpckhps256): Correct item selectors.
3585 (avx_unpcklps256): Likewise.
3586 (avx_unpckhpd256): Likewise.
3587 (avx_unpcklpd256): Likewise.
3589 2009-02-28 Jan Hubicka <jh@suse.cz>
3591 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3593 (copy_arguments_for_versioning): If var is declared don't declare it.
3594 (tree_function_versioning): First setup substitutions and then copy
3597 2009-02-27 Jan Hubicka <jh@suse.cz>
3600 * cgraph.h (varpool_output_debug_info): Remove.
3601 * cgraphunit.c (varpool_output_debug_info): Remove.
3602 * dwarf2out.c (deferred_locations_struct): New struct
3603 (deferred_locations): New type.
3604 (deferred_locations_list): New static var.
3605 (deffer_location): New function.
3606 (gen_variable_die): Use it.
3607 (decls_for_scope): Output info on local static vars.
3608 (dwarf2out_finish): Process deferred locations.
3609 * varpool.c (varpool_output_debug_info): Remove.
3611 2009-02-27 Jan Hubicka <jh@suse.cz>
3614 * tree.h (TREE_PROTECTED): Fix comment.
3615 (BLOCK_HANDLER_BLOCK): Remove.
3616 (struct tree_block): Remove handler_block add body_block.
3617 (inlined_function_outer_scope_p): New.
3618 (is_body_block): Remove.
3619 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3620 * dwarf2out.c (is_inlined_entry_point): Remove.
3621 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3622 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3624 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3625 * gimplify.c (gimplify_expr): Gimplify body blocks.
3626 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3627 block with multiple subblocks.
3628 (dump_scope_block): Prettier output; dump more flags and info.
3629 (dump_scope_blocks): New.
3630 (remove_unused_locals): Use dump_scope_blocks.
3631 * tree-flow.h (dump_scope_blocks): Declare.
3632 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3633 * stmt.c (is_body_block): Remove.
3634 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3635 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3637 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3640 * graphite.c (graphite_loop_normal_form): Do not call
3641 number_of_iterations_exit from a gcc_assert.
3643 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3645 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3646 jumps if COND is NULL.
3647 (find_cond_jump): New function.
3648 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3649 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3651 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3653 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3654 force_const_mem returns NULL_RTX.
3656 2009-02-26 Jan Hubicka <jh@suse.cz>
3659 * cgraph.h (varpool_output_debug_info): Remove.
3660 * cgraphunit.c (varpool_output_debug_info): Remove.
3661 * dwarf2out.c (deferred_locations_struct): New struct
3662 (deferred_locations): New type.
3663 (deferred_locations_list): New static var.
3664 (deffer_location): New function.
3665 (gen_variable_die): Use it.
3666 (decls_for_scope): Output info on local static vars.
3667 (dwarf2out_finish): Process deferred locations.
3668 * varpool.c (varpool_output_debug_info): Remove.
3670 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3672 PR rtl-optimization/39241
3673 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3674 to subreg_offset_representable_p.
3676 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3678 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3679 execute function prototype. Get f and nregs from max_reg_num
3680 and get_insns. Remove the first backward pass as it's dead,
3681 guard the forward pass by flag_expensive_optimizations.
3682 (rest_of_handle_regmove): Delete.
3683 (pass_regmove): Replace it with regmove_optimize.
3685 2009-02-25 Martin Jambor <mjambor@suse.cz>
3687 PR tree-optimization/39259
3688 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3689 calls_alloca function flags.
3690 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3693 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3695 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3696 flags_set_1_rtx, flags_set_1_set): Delete.
3697 (regmove_optimize): Do not call mark_flags_life_zones.
3699 2009-02-24 Julian Brown <julian@codesourcery.com>
3702 * config/arm/arm.c (require_pic_register): Only set
3703 cfun->machine->pic_reg once per function.
3705 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3707 * doc/invoke.texi (Link Options): Document an easier way to pass
3708 options that take arguments to the GNU linker using -Xlinker and -Wl.
3710 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3713 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3715 2009-02-24 Richard Guenther <rguenther@suse.de>
3718 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3720 2009-02-24 Richard Guenther <rguenther@suse.de>
3721 Zdenek Dvorak <ook@ucw.cz>
3723 PR tree-optimization/39233
3724 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3725 from converting them to a generic type.
3727 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3729 PR tree-optimization/39260
3730 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3731 contains a condition with a real type.
3732 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3734 2009-02-23 Jason Merrill <jason@redhat.com>
3737 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3738 narrowing_initializer_constant_valid_p.
3739 (narrowing_initializer_constant_valid_p): Don't return
3740 null_pointer_node for adding a pointer to itself.
3742 2009-02-23 Jan Hubicka <jh@suse.cz>
3745 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3748 2009-02-23 Jan Hubicka <jh@suse.cz>
3750 PR tree-optimization/37709
3751 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3752 * tree.h (block_ultimate_origin): Declare.
3753 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3754 * tree-ssa-live.c (remove_unused_scope_block_p):
3755 Eliminate blocks containig no instructions nor live variables nor
3757 (dump_scope_block): New function.
3758 (remove_unused_locals): Enable removal of dead blocks by default;
3759 enable dumping at TDF_DETAILS.
3761 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3763 * config/i386/i386.c (classify_argument): Don't allow COImode
3765 (function_arg_advance_32): Don't allow OImode.
3766 (function_arg_32): Likewise.
3767 (function_value_32): Likewise.
3768 (return_in_memory_32): Likewise.
3769 (function_arg_64): Remove OImode comment.
3771 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3774 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3775 ix86_expand_vector_set for V4DImode in 64bit mode only.
3776 (ix86_expand_vector_init_one_var): Likewise.
3778 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3780 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3782 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3785 * loop-iv.c: Revert last change.
3786 * emit-rtl.c: Likewise.
3788 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3791 * config/i386/i386.c (type_natural_mode): Remove an extra
3792 space in the warning message.
3793 (function_value_32): Handle 32-byte vector modes.
3794 (return_in_memory_32): Likewise.
3796 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3798 * loop-iv.c (truncate_value): New function.
3799 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3801 (lowpart_subreg): Move to...
3802 * emit-rtl.c: ...here.
3804 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3806 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3807 accidental and undocumented change at revision 140860.
3809 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3811 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3812 take gimple_seq * arguments.
3813 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3814 types_compatible_p langhook.
3816 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3817 Joseph Myers <joseph@codesourcery.com>
3819 * config/arm/arm.c (arm_builtin_va_list): New function.
3820 (arm_expand_builtin_va_start): Likewise.
3821 (arm_gimplify_va_arg_expr): Likewise.
3822 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3823 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3824 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3825 (va_list_type): New variable.
3826 (arm_mangle_type): Mangle va_list_type appropriately.
3828 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3831 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3832 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3833 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3834 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3835 parameter to 1000 for -O1 by default.
3836 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3838 * loop-invariant.c: Include params.h.
3839 (move_loop_invariants): Don't call move_single_loop_invariants on
3842 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3844 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3845 offset when calculating bounds for indexing stack_usage_map. Fixes
3846 a buffer overflow with certain target setups.
3848 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3851 * calls.c (expand_call): Clear try_tail_call if caller and callee
3852 disagree in promotion of function return value.
3854 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3857 * c-common.c (c_determine_visibility): If visibility changed and
3858 DECL_RTL has been already set, call make_decl_rtl to update symbol
3861 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3864 * varasm.c (assemble_variable): Don't check DECL_NAME when
3865 globalizing a variable.
3867 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3870 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3871 expression before any __builtin_trap call.
3872 * c-typeck.c (build_function_call): Convert and check function
3873 arguments before generating a call to a trap. Evaluate the
3874 function arguments before the trap.
3876 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3879 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3880 (UNSPEC_FXAM_MEM): New unspec.
3881 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3882 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3883 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3885 2009-02-19 Richard Guenther <rguenther@suse.de>
3887 PR tree-optimization/39207
3888 PR tree-optimization/39074
3889 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3890 storedanything_tree): New.
3891 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3892 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3893 (build_succ_graph): Add edges from STOREDANYTHING to all
3895 (init_base_vars): Initialize STOREDANYTHING.
3896 (compute_points_to_sets): Free substitution info after
3897 building the succ graph.
3898 (ipa_pta_execute): Likewise.
3900 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3902 (do_ds_constraint): Do not add to special var or non-pointer
3904 (type_could_have_pointers): Split out from ...
3905 (could_have_pointers): ... here. For arrays use the element type.
3906 (create_variable_info_for): Initialize may_have_pointers.
3907 (new_var_info): Likewise.
3908 (handle_lhs_call): Make the HEAP variable unknown-sized.
3909 (intra_create_variable_infos): Use a type with pointers for
3910 PARM_NOALIAS, make it unknown-sized.
3912 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3915 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3917 2009-02-18 Jason Merrill <jason@redhat.com>
3920 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3921 value if DECL_EXTERNAL.
3922 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3923 * target.h (gcc_target::binds_local_p): Clarify "module".
3924 * tree.h (TREE_PUBLIC): Clarify "module".
3926 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3929 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3930 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3932 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3935 * c.opt (Wabi): Support C and ObjC.
3938 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3940 * config/i386/i386.c (classify_argument): Warn once about the ABI
3941 change when passing union with long double.
3943 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3945 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3948 * c-parser.c (c_parser_compound_statement): Always enter and leave
3951 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3954 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3956 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3958 PR tree-optimization/36922
3959 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3960 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3963 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3965 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3968 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3970 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3972 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3974 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3977 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3978 Richard Sandiford <rdsandiford@googlemail.com>
3980 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3981 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3982 (loongson_biadd): ...this.
3984 2009-02-17 Richard Guenther <rguenther@suse.de>
3986 PR tree-optimization/39202
3987 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3988 a var make sure to follow existing collapses.
3990 2009-02-17 Richard Guenther <rguenther@suse.de>
3993 * langhooks.c (lhd_print_error_function): Check for NULL block.
3995 2009-02-17 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/39204
3998 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4001 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4003 * config/soft-fp/double.h: Update from glibc CVS.
4005 2009-02-17 Richard Guenther <rguenther@suse.de>
4007 PR tree-optimization/39207
4008 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4009 strict-aliasing warnings for pointers pointing to NULL.
4011 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4014 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4015 skipping until next close brace.
4017 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4020 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4021 to function argument boundary.
4023 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4025 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4026 in the lea_add. Reload eventually constraints it properly.
4027 * config/picochip/constraints.md : Remove the target constraint
4028 "b", since it is not needed anymore.
4030 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4032 * gthr-dce.h: Uglify function parameter and local variable names.
4033 * gthr-gnat.h: Likewise.
4034 * gthr-mipssde.h: Likewise.
4035 * gthr-nks.h: Likewise.
4036 * gthr-posix95.h: Likewise.
4037 * gthr-posix.h: Likewise.
4038 * gthr-rtems.h: Likewise.
4039 * gthr-single.h: Likewise.
4040 * gthr-solaris.h: Likewise.
4041 * gthr-tpf.h: Likewise.
4042 * gthr-vxworks.h: Likewise.
4043 * gthr-win32.h: Likewise.
4045 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4048 * config/i386/i386.md: Restrict the new peephole2 to move
4049 between MMX/SSE registers.
4051 2009-02-15 Richard Guenther <rguenther@suse.de>
4054 2009-02-13 Richard Guenther <rguenther@suse.de>
4056 * configure.ac: Enable LFS.
4057 * configure: Re-generate.
4058 * config.in: Likewise.
4060 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4062 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4063 spu_srqwbyte, spu_srqwbytebc): Define.
4064 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4065 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4066 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4067 "shrqby_<mode>"): New insn-and-split patterns.
4068 * config/spu/spu.c (expand_builtin_args): Determine and return
4069 number of operands using spu_builtin_description data.
4070 (spu_expand_builtin_1): Use it.
4072 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4075 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4078 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4081 * config/i386/i386.c (override_options): Correct warning
4082 messages for -malign-loops, -malign-jumps and -malign-functions.
4084 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4087 * config/i386/i386.md: Restrict the new peephole2 to move
4088 between the general purpose registers.
4090 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4093 * config/i386/i386.c (type_natural_mode): Add a new argument.
4094 Return the original mode and warn ABI change if vector size is 32byte.
4095 (function_arg_advance): Updated.
4096 (function_arg): Likewise.
4097 (ix86_function_value): Likewise.
4098 (ix86_return_in_memory): Likewise.
4099 (ix86_sol10_return_in_memory): Likewise.
4100 (ix86_gimplify_va_arg): Likewise.
4101 (function_arg_32): Don't warn ABX ABI change here.
4102 (function_arg_64): Likewise.
4104 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4106 * loop-iv.c (implies_p): In the final case, test that operands 0
4107 of the two comparisons match.
4109 * config/bfin/bfin.c (find_prev_insn_start): New function.
4110 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4111 (find_next_insn_start): Move.
4113 2009-02-13 Richard Guenther <rguenther@suse.de>
4115 * configure.ac: Enable LFS.
4116 * configure: Re-generate.
4117 * config.in: Likewise.
4119 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4122 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4123 sizes on syntax error after some arguments have been parsed.
4125 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4127 * doc/invoke.texi (-fira): Remove.
4129 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4131 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4132 * recog.c: Likewise.
4135 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4137 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4138 (umul_ppmm): Likewise.
4139 (count_leading_zeros): Likewise.
4140 (count_trailing_zeros): Likewise.
4141 (UMUL_TIME): Likewise.
4143 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4145 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4146 soft-fp/t-softfp to tmake_file.
4148 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4149 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4150 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4151 IA64_BUILTIN_INFQ]: New.
4152 (ia64_init_builtins): Initialize __builtin_infq,
4153 __builtin_fabsq and __builtin_copysignq if not HPUX.
4154 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4155 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4157 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4159 (__fixtfti): Likewise.
4160 (__fixunstfti): Likewise.
4161 (__floattitf): Likewise.
4163 * config/ia64/libgcc-glibc.ver: New.
4164 * config/ia64/t-fprules-softfp: Likewise.
4165 * config/ia64/sfp-machine.h: Likewise.
4167 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4168 (LIBGCC2_TF_CEXT): Likewise.
4169 (TF_SIZE): Likewise.
4170 (TARGET_INIT_LIBFUNCS): Likewise.
4172 * config/ia64/t-glibc (SHLINB_MAPFILES):
4173 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4175 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4177 * config/i386/i386.c (construct_container): Rewrite processing
4178 BLKmode with X86_64_SSE_CLASS.
4180 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4183 * config/i386/i386.md: Replace simplify_replace_rtx with
4184 replace_rtx in the new peephole2.
4186 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4188 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4189 loop unrolling do not happen at -O2.
4191 2009-02-12 Michael Matz <matz@suse.de>
4193 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4195 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4197 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4200 2009-02-12 Ben Elliston <bje@au.ibm.com>
4202 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4203 patterns when updating the back chain. Missed in the 2009-02-10
4206 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4208 * doc/extend.texi (Decimal Floating Types): Update identifier of
4209 draft TR and list of missing support.
4211 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4214 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4215 bit to variable length decl's flags, add it also to its
4216 pointer replacement variable.
4218 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4219 Jakub Jelinek <jakub@redhat.com>
4222 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4223 (memory_blockage): New expander.
4224 (*memory_blockage): New insn pattern.
4225 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4226 instead of general blockage at the end of function prologue when
4227 frame pointer is used to access red zone area. Do not emit blockage
4228 when profiling, it is emitted in generic code.
4229 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4230 function epilogue when frame pointer is used to access red zone area.
4232 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4235 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4236 by arithmetic with memory operands.
4237 * config/i386/predicates.md (commutative_operator): New.
4239 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4241 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4244 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4246 * alias.h (record_alias_subset): Declare.
4247 * alias.c (record_alias_subset): Make global.
4249 2009-02-10 Nick Clifton <nickc@redhat.com>
4251 * tree-parloops.c: Change license to GPLv3.
4252 * ipa-struct-reorg.c: Change license to GPLv3.
4253 * ipa-struct-reorg.h: Change license to GPLv3.
4255 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4258 * c-decl.c (start_struct): Return NULL on error.
4260 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4263 * cfgloopmanip.c (remove_path): Call remove_bbs after
4264 cancel_loop_tree, not before it.
4267 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4268 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4269 VAR_DECLs were seen.
4270 * tree-ssa-live.c (remove_unused_locals): Recompute
4271 cfun->has_local_explicit_reg_vars.
4272 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4273 copies or clearings if cfun->has_local_explicit_reg_vars.
4275 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4278 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4279 of function prologue when frame pointer is used to access
4282 2009-02-10 Richard Guenther <rguenther@suse.de>
4285 * gimplify.c (gimple_regimplify_operands): Always look if
4286 we need to create a temporary.
4288 2009-02-10 Richard Guenther <rguenther@suse.de>
4290 PR tree-optimization/39132
4291 * tree-loop-distribution.c (todo): New global var.
4292 (generate_memset_zero): Trigger TODO_rebuild_alias.
4293 (tree_loop_distribution): Return todo.
4295 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4298 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4299 (x86_64_reg_class_name): Removed.
4300 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4301 first one isn't X86_64_SSE_CLASS or any other ones aren't
4302 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4303 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4304 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4305 and 3 X86_64_SSEUP_CLASS.
4306 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4307 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4309 2009-02-10 Ben Elliston <bje@au.ibm.com>
4311 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4312 form instruction to update the stack back chain word, even if the
4313 user has disabled the generation of update instructions.
4314 (movdi_<mode>_update_stack): New.
4315 (movsi_update_stack): Likewise.
4316 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4317 always use an update form instruction to update the stack back
4320 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4323 * graphite.c (if_region_set_false_region): After moving a region in
4324 the false branch of a condition, remove the empty dummy basic block.
4325 (gloog): Remove wrong fix for PR38953.
4327 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4329 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4330 generation due to implicit sign extension.
4332 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4335 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4336 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4338 2009-02-09 Richard Guenther <rguenther@suse.de>
4341 * convert.c (convert_to_real): Disable (float)fn((double)x)
4342 to fnf(x) conversion if errno differences may occur and
4343 -fmath-errno is set.
4345 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4347 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4348 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4349 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4351 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4354 * c-common.c (handle_alias_attribute): Disallow attribute for
4355 anything not a FUNCTION_DECL or VAR_DECL.
4357 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4360 * real.c (do_compare): Special-case compare of zero against
4361 decimal float value.
4363 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4366 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4367 as indicating flexible array members unless the field itself is
4368 being declarared as the incomplete array.
4370 2009-02-06 Jan Hubicka <jh@suse.cz>
4372 PR tree-optimization/38844
4373 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4376 2009-02-06 Richard Guenther <rguenther@suse.de>
4379 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4380 fork because we may expand it as __gcov_fork.
4382 2009-02-06 Nick Clifton <nickc@redhat.com>
4384 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4386 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4388 PR tree-optimization/35659
4389 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4390 vn_phi_eq): Shortcut if hashcode does not match.
4391 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4393 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4394 and avoid iterative_hash_expr.
4395 (FOR_EACH_VALUE_ID_IN_SET): New.
4396 (value_id_compare): Remove.
4397 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4398 sort expressions by value id.
4400 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4403 * config/sh/predicates.md (general_movsrc_operand): Don't check
4404 the subreg of system registers here.
4406 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4409 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4412 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4414 PR rtl-optimization/39110
4415 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4416 addresses, not aligned ones.
4418 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4419 Richard Guenther <rguenther@suse.de>
4421 PR tree-optimization/39100
4422 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4423 comment says and add edges.
4425 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4428 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4429 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4431 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4433 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4434 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4435 register_bb_in_sese, new_sese, free_sese): Moved.
4436 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4437 outermost_loop_in_scop, build_scop_iteration_domain,
4438 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4439 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4440 Use loop_in_sese_p instead of loop_in_scop_p.
4441 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4442 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4443 (scopdet_basic_block_info): Fix bug in scop detection.
4444 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4445 eq_loop_to_cloog_loop): Remove.
4446 (nb_loops_around_loop_in_scop, nb_loop
4447 ref_nb_loops): Moved here...
4448 * graphite.h (ref_nb_loops): ... from here.
4449 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4450 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4451 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4452 * testsuite/gcc.dg/graphite/scop-19.c: New
4454 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4455 Hans-Peter Nilsson <hp@axis.com>
4457 PR rtl-optimization/37889
4458 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4459 Move offset handling from PLUS to before the switch. Use new
4460 arguments when considering SYMBOL_REFs too.
4461 (rtx_addr_can_trap_p): Pass dummy offset and size.
4462 (enum may_trap_p_flags): Remove.
4463 (may_trap_p_1): Pass size from MEM_SIZE.
4465 PR rtl-optimization/38921
4466 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4467 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4468 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4469 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4471 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4473 AVX Programming Reference (January, 2009)
4474 * config/i386/sse.md (*vpclmulqdq): New.
4476 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4478 PR tree-optimization/38977
4479 PR gcov-profile/38292
4480 * calls.c (special_function_p): Disregard __builtin_ prefix.
4482 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4484 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4485 non-indexable addresses even before reload.
4487 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4490 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4491 as having variable size. Do not give an error for unnamed
4492 parameters with [*] declarators. Give a warning for type names
4493 with [*] declarators and mark them as variable size.
4494 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4495 for sizeof applied to [*] type names.
4497 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4500 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4502 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4504 * gcc.c (process_command): Update copyright notice dates.
4505 * gcov.c (print_version): Likewise.
4506 * gcov-dump.c (print_version): Likewise.
4507 * mips-tfile.c (main): Likewise.
4508 * mips-tdump.c (main): Likewise.
4510 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4513 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4514 for composite type involving a zero-length array type.
4516 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4519 * function.c (match_asm_constraints_1): Skip over
4520 initial optional % in the constraint.
4523 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4524 supported, don't accept FIXED_CSTs.
4525 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4526 and _Sat is used without _Fract/_Accum. Set specs->type to
4527 integer_type_node for cts_fract/cts_accum if fixed point is not
4530 2009-02-02 Catherine Moore <clm@codesourcery.com>
4532 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4534 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4536 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4537 (ABI_HAS_64BIT_SYMBOLS): Use it.
4538 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4540 2009-02-02 Paul Brook <paul@codesourcery.com>
4542 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4544 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4547 * recog.h (asm_operand_ok): Add constraints argument.
4548 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4549 recurse on matching constraint.
4550 (check_asm_operands): Pass constraints as 3rd argument to
4551 asm_operand_ok. Don't look up matching constraint here.
4552 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4555 2009-02-02 Ben Elliston <bje@au.ibm.com>
4557 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4558 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4560 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4562 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4563 information. Remove some obsolete information. Reorganize.
4565 * config/pa/fptr.c: Revert license to GPL 2.
4566 * config/pa/milli64.S: Likewise.
4568 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4571 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4572 LIBRARY name in, instead of hard-coding it.
4573 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4574 extra target make frag to tmake_files according to EH model.
4575 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4576 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4577 frags that define makefile variable EH_MODEL appropriately.
4578 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4579 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4580 to "-sjlj" according to type of EH configured.
4581 (LIBGCC_SONAME): Concatenate it to shared library base name.
4582 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4583 to "_sjlj" according to type of EH configured.
4584 (LIBGCC_SONAME): Concatenate it to shared library base name.
4585 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4586 (SHLIB_LINK): Add missing semicolon to if-else construct.
4587 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4588 string value of "pe_dll" command-line option.
4589 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4590 (SHLIB_SONAME): Use it when overriding t-cygming default.
4591 (SHLIB_IMPLIB): Override t-cygming default.
4592 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4593 string value of "pe_dll" command-line option.
4595 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4598 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4599 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4601 2009-01-31 Richard Guenther <rguenther@suse.de>
4603 PR tree-optimization/38937
4604 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4605 computing the transitive closure.
4607 2009-01-30 Richard Guenther <rguenther@suse.de>
4609 PR tree-optimization/39041
4610 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4611 Propagate variable indices only if the types match for this stmt.
4613 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4616 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4617 inline but never defined.
4619 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4621 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4622 (*insv_h_di_reg_extimm): New insn.
4623 (*insv_l<mode>_reg_extimm): New insn.
4625 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4627 * config/picochip/picochip.c (flag_conserve_stack): set
4628 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4629 fconserve-stack. Reduce call-overhead used by inliner.
4631 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4634 * common.opt (flag_conserve_stack): Initialised to zero.
4636 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4639 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4640 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4643 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4645 * ira-color.c (allocno_reload_assign): Update comments.
4646 * regmove.c (regmove_optimize): Likewise.
4650 2009-01-29 Robert Millan <rmh@aybabtu.com>
4652 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4653 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4654 `MD_UNWIND_SUPPORT'.
4655 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4657 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4659 PR tree-optimization/39007
4660 * tree-loop-distribution.c (generate_builtin): Use
4661 recompute_dominator to compute the immediate dominator of the
4662 basic block just after the loop.
4664 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4666 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4667 (ASM_OUTPUT_DWARF_PCREL): Define.
4669 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4671 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4672 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4673 global. Modify entries about regmove and IRA.
4675 * ra-conflict.c: Remove the file.
4677 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4679 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4680 (pass_regclass_init): Rename to pass_reginfo_init.
4682 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4684 * toplev.h (flag_ira): Remove.
4686 * caller-save.c (setup_save_areas): Remove flag_ira.
4688 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4690 * global.c: Remove the file.
4692 * opts.c (decode_options): Remove flag_ira.
4694 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4696 * regmove.c: Modify file description.
4697 (find_use_as_address, try_auto_increment): Define them only if
4698 AUTO_INC_DEC is defined.
4699 (replacement_quality, replace_in_call_usage, fixup_match_1,
4700 stable_and_no_regs_but_for_p): Remove.
4701 (reg_set_in_bb): Make it static.
4702 (regmove_optimize): Remove flag_ira and code which worked for
4705 * local-alloc.c: Remove the file.
4707 * common.opt (fira): Remove.
4709 * ira.c: Include except.h.
4710 (eliminable_regset): Move from global.c.
4711 (mark_elimination): Ditto. Remove flag_ira.
4712 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4713 equiv_mem_modified, validate_equiv_mem_from_store,
4714 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4715 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4716 no_equiv, recorded_label_ref): Move from local-alloc.c.
4717 (update_equiv_regs): Ditto. Make it static.
4718 (print_insn_chain, print_insn_chains): Move it from global.c.
4719 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4720 (build_insn_chain): Ditto. Make it static.
4721 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4722 Rename to init_live_subregs.
4723 (gate_ira): Remove flag_ira.
4725 * regclass.c: Rename reginfo.c. Change file description.
4726 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4727 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4728 (init_reg_sets_1): Remove code for evaluation of
4729 reg_class_superclasses and losing_caller_save_reg_set.
4730 (init_regs): Remove init_reg_autoinc.
4731 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4732 ok_for_base_p_nonstrict): Remove.
4733 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4734 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4735 corresponding entries.
4736 (dump_regclass, record_operand_costs, scan_one_insn,
4737 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4738 record_address_regs, auto_inc_dec_reg_p): Remove.
4739 (gt-regclass.h): Rename to gt-reginfo.h.
4741 * rtl.h (dump_global_regs, retry_global_alloc,
4742 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4744 * Makefile.in (RA_H): Remove.
4745 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4746 Rename regclass.o to reginfo.o.
4747 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4749 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4750 (GTFILES): Rename regclass.c to reginfo.c.
4752 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4753 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4755 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4756 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4758 (finish_spills): Ditto. Remove code for !flag_ira.
4760 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4763 * doc/invoke.texi (rtl debug options): Complete rewrite.
4764 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4766 * mode-switching.c (pass_mode_switching): Rename pass from
4767 "mode-sw" to "mode_sw".
4768 * except.c (pass_convert_to_eh_ranges): Rename pass from
4769 "eh-ranges" to "eh_ranges".
4770 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4774 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4775 Alexander Monakov <amonakov@ispras.ru>
4778 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4780 (move_exprs_to_boundary): Change return type and pass through
4781 should_move from move_op. Relax assert. Update usage ...
4782 (schedule_expr_on_boundary): ... here. Use should_move instead of
4784 (move_op_orig_expr_found): Indicate that insn was disconnected from
4786 (code_motion_process_successors): Do not call after_merge_succs
4787 callback if original expression was not found when traversing any of
4789 (code_motion_path_driver): Change return type. Update prototype.
4790 (move_op): Update comment. Add a new parameter (should_move). Update
4791 prototype. Set *should_move based on indication provided by
4792 move_op_orig_expr_found.
4794 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4796 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4797 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4798 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4799 * config/rs6000/rs6000.c (rs6000_override_options): Default
4800 avoid-indexed-addresses on for Power6, off for everything else.
4801 (avoiding_indexed_address_p): New function.
4802 (rs6000_legitimize_address): Use it.
4803 (rs6000_legitimate_address): Likewise.
4804 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4806 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4808 PR tree-optimization/38997
4809 * tree-loop-distribution.c (generate_memset_zero): Use
4810 POINTER_PLUS_EXPR for a pointer addition.
4812 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4814 * config/s390/s390.md (bswap<mode>2): New pattern added.
4816 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4818 * config/s390/s390.md (*tls_load_31): Added type attribute.
4820 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4822 * config/s390/s390.md: Fix a few comments.
4824 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4826 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4827 (*tm<mode>_full): Fixed z10prop attribute.
4828 (*tst<mode>_extimm): Fixed z10prop attribute.
4829 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4830 (*tstqiCCT_cconly): Fixed z10prop attribute.
4831 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4832 (*movsi_larl): Fixed z10prop attribute.
4833 (*movsi_zarch): Fixed z10prop attribute.
4834 (*movsi_eas): Fixed z10prop attribute.
4835 (*movhi): Fixed z10prop attribute.
4836 (*movqi): Fixed z10prop attribute.
4837 (*movstrictqi): Fixed z10prop attribute.
4838 (*mov<mode>): Fixed z10prop attribute.
4839 (*movcc): Fixed z10prop attribute.
4840 (*sethighpartdi_64): Fixed z10prop attribute.
4841 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4842 (*negdi2_sign_cc): Fixed z10prop attribute.
4843 (*negdi2_sign): Fixed z10prop attribute.
4844 (*absdi2_sign_cc): Fixed z10prop attribute.
4845 (*absdi2_sign): Fixed z10prop attribute.
4846 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4847 (*negabsdi2_sign): Fixed z10prop attribute.
4848 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4849 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4850 (doloop_si64): Fixed z10prop attribute.
4851 (doloop_si31): Fixed z10prop attribute.
4852 (doloop_long): Fixed z10prop attribute.
4853 (indirect_jump): Fixed z10prop attribute.
4854 (nop): Fixed z10prop attribute.
4855 (main_base_64): Fixed z10prop attribute.
4856 (reload_base_64): Fixed z10prop attribute.
4858 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4860 PR rtl-optimization/38740
4861 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4863 * config/mips/mips.c (mips_reorg): Likewise.
4865 2009-01-28 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/38926
4868 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4869 with the correct value id to a value.
4870 (do_regular_insertion): Use the value number of edoubleprime
4871 for the value number of the expr.
4874 2008-08-21 Richard Guenther <rguenther@suse.de>
4876 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4877 a PHI ask VN if it is already available.
4878 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4879 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4881 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4884 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4885 set to varying whenever max has TREE_OVERFLOW set, similarly
4886 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4888 2009-01-28 Richard Guenther <rguenther@suse.de>
4891 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4892 uninitialized aggregate uses in call arguments.
4894 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4896 PR tree-optimization/38984
4897 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4898 the nothing_id variable if -fno-delete-null-pointer-checks.
4900 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4903 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4904 (set_got_offset_rex64): Ditto.
4906 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4909 * doc/extend.texi: Improve local variable with asm reg.
4911 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4913 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4914 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4915 was not supplied then set warn_packed_bitfield_compat to the
4917 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4920 2009-01-27 Richard Guenther <rguenther@suse.de>
4922 PR tree-optimization/38503
4923 * cfgexpand.c (expand_gimple_basic_block): Ignore
4924 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4925 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4926 variables that cannot have TBAA applied.
4927 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4930 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4933 * calls.c (initialize_argument_information): Do not wrap complex
4934 arguments in SAVE_EXPR.
4936 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4938 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4939 (INSTALL_LIBGCC): Revert typo commit.
4941 2009-01-26 Richard Guenther <rguenther@suse.de>
4943 PR tree-optimization/38745
4944 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4945 from special handling.
4947 2009-01-26 Richard Guenther <rguenther@suse.de>
4949 PR tree-optimization/38745
4950 * tree-ssa.c (execute_update_addresses_taken): Do not include
4951 variables that cannot possibly be a register in not_reg_needs.
4952 Do not clear TREE_ADDRESSABLE on vars that may not become
4954 * tree-ssa.c (update_alias_info_1): Include those in the set
4955 of addressable vars.
4957 2009-01-26 Richard Guenther <rguenther@suse.de>
4960 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4961 * tree-ssa-dse.c: Include langhooks.h
4962 (execute_simple_dse): Remove stores with zero size.
4964 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4967 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4970 2009-01-24 Julian Brown <julian@codesourcery.com>
4972 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4973 config/arm/linux-atomic.c.
4974 * config/arm/linux-atomic.c: New.
4976 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4978 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4979 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4980 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4982 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4985 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4988 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4990 PR tree-optimization/38953
4991 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4992 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4993 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4994 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4997 2009-01-24 Paul Brook <paul@codesourcery.com>
4999 * config/arm/neon.md (neon_type): Move to arm.md.
5000 (neon_mov<VSTRUCT>): Add neon_type attribute.
5001 * config/arm/arm.md (neon_type): Move to here.
5002 (conds): Add "unconditioal" and use as default for NEON insns.
5004 2009-01-24 Ben Elliston <bje@au.ibm.com>
5006 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5007 void *' warning from -Wc++-compat.
5008 * Makefile.in (dominance.o-warn): Remove.
5010 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5012 PR tree-optimization/38932
5013 * fold-const.c (fold_unary_ignore_overflow): New.
5014 * tree.h (fold_unary_ignore_overflow): Declare.
5015 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5016 * tree-ssa-sccvn.c (visit_reference_op_load,
5017 simplify_unary_expression): Likewise.
5019 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5021 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5022 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5023 regardless of their type.
5024 * c-common.c (handle_packed_attribute): Don't ignore packed on
5026 * c.opt (Wpacked-bitfield-compat): New warning option.
5027 * stor-layout.c (place_field): Warn if offset of a field changed.
5028 * doc/extend.texi (packed): Mention the ABI change.
5029 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5030 (Warning Options): Add it to the list.
5032 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5034 * c-opts.c (c_common_post_options): Fix a typo in comments.
5036 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5039 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5040 variables to static.
5041 * doc/invoke.texi (-fmerge-all-constants): Update description.
5043 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5046 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5047 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5049 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5051 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5053 (LOCAL_ALIGNMENT): Similarly.
5055 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5056 Joseph Myers <joseph@codesourcery.com>
5058 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5059 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5060 * config/arm/arm-tune.md: Regenerate.
5061 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5064 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5066 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5067 version number to five.
5069 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5072 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5073 * c-common.c (set_underlying_type): Likewise.
5074 (is_typedef_decl ): Likewise
5076 (set_underlying_type): Likewise.
5077 (is_typedef_type): Likewise.
5079 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5082 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5085 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5088 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5089 (LIBGCC_SPEC): Don't define.
5090 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5092 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5094 PR rtl-optimization/38879
5095 * alias.c (base_alias_check): Unaligned access via AND address can
5096 alias all surrounding object types except those with sizes equal
5097 or wider than the size of unaligned access.
5099 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5102 * c-decl.c (clone_underlying_type): Move this ...
5103 * c-common.c (set_underlying_type): ... here.
5104 Also, make sure the function properly sets TYPE_STUB_DECL() on
5105 the newly created typedef variant type.
5106 (is_typedef_decl ): New entry point.
5107 * tree.h: Added a new member member_types_needing_access_check to
5108 struct tree_decl_non_common.
5109 (set_underlying_type): New entry point.
5110 (is_typedef_type): Likewise.
5112 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5114 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5115 Check whether two instructions have memory references that
5116 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5117 are helper functions for traversing.
5118 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5119 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5120 not to draw dependency edge for instructions with non-conflicting
5123 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5126 * longlong.h: Update copyright years. Use soft-fp license notice.
5127 Sync __clz_tab declaration with glibc.
5129 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5132 * doc/extend.texi (syscall_linkage): New.
5133 (version_id): Modify.
5135 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5136 Richard Guenther <rguenther@suse.de>
5138 PR tree-optimization/38747
5139 PR tree-optimization/38748
5140 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5141 conversion if the base address is an indirect reference and the
5142 aliasing sets could cause issues.
5144 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5146 * common.opt (fgraphite, fgraphite-identity): Add comment for
5147 explaining why these options are not documented.
5149 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5151 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5152 gimple_call_lhs is NULL.
5154 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5157 * emit-rtl.c (adjust_address_1): Make sure memref is never
5160 2009-01-20 Ben Elliston <bje@au.ibm.com>
5162 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5163 const qualifier from arg parameter. Remove unnecessary cast to char *.
5164 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5165 const qualifier from arg 2.
5167 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5169 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5171 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5174 * rtl.h (reinit_regs): New prototype.
5175 * regclass.c: Include ira.h.
5177 * Makefile.in (regclass.o): Add ira.h.
5178 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5180 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5183 * c-common.c (handle_aligned_attribute): Use
5184 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5185 default alignment value.
5187 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5189 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5190 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5192 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5193 __BIGGEST_ALIGNMENT__.
5195 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5197 2009-01-18 Richard Guenther <rguenther@suse.de>
5199 PR tree-optimization/38819
5200 * tree-flow.h (operation_could_trap_helper_p): Declare.
5201 * tree-eh.c (operation_could_trap_helper_p): Export.
5202 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5203 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5204 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5205 are about to insert a possibly trapping instruction and fail
5208 2009-01-18 Andreas Schwab <schwab@suse.de>
5210 * doc/install.texi (Configuration): Remove obsolete paragraph
5211 about use of --with-gnu-ld with --with-gnu-as.
5213 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5215 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5216 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5217 Follow spelling conventions.
5219 2009-01-18 Ben Elliston <bje@au.ibm.com>
5221 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5222 C++ warning about implicit conversion from void * to struct
5224 (bitmap_obstack_free): Likewise for bitmap_element *.
5225 * Makefile.in (bitmap.o-warn): Remove.
5227 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5229 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5231 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5232 Tobias Grosser <tobi.grosser@amd.com>
5234 * graphite.c (graphite_trans_scop_block): Do not block single
5237 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5239 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5240 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5241 test with assertion.
5243 2009-01-16 Richard Guenther <rguenther@suse.de>
5245 PR tree-optimization/38835
5247 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5248 and INT + PTR -> (INT)(PTR p+ INT) folding.
5249 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5251 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5254 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5255 the subreg from a lowpart subreg if it is also casting the value.
5257 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5258 Tobias Grosser <tobi.grosser@amd.com>
5260 * graphite.c (compare_prefix_loops): New.
5261 (build_scop_canonical_schedules): Rewritten.
5262 (graphite_transform_loops): Move build_scop_canonical_schedules
5263 after build_scop_iteration_domain.
5265 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5266 Tobias Grosser <tobi.grosser@amd.com>
5268 * graphite.c (add_conditions_to_domain): Add the loops to
5269 the dimension of the iteration domain. Do copy the domain
5270 only when it exists.
5271 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5272 (add_conditions_to_constraints): New.
5273 (can_generate_code_stmt, can_generate_code): Removed.
5274 (gloog): Do not call can_generate_code.
5275 (graphite_transform_loops): Call add_conditions_to_constraints
5276 after building the iteration domain.
5278 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5280 PR tree-optimization/38789
5281 * tree-ssa-threadedge.c
5282 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5283 __builtin_constant_p.
5285 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5287 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5288 examined before deleting them.
5290 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5292 * function.c (aggregate_value_p): Correctly extract the function
5293 type from CALL_EXPR_FN lookup.
5295 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5297 * config/picochip/picochip.c (picochip_override_options): Revert
5298 CFI asm flag disable commited previously.
5300 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5301 Tobias Grosser <tobi.grosser@amd.com>
5302 Jan Sjodin <jan.sjodin@amd.com>
5304 * graphite.c (scan_tree_for_params): On substractions negate
5305 all the coefficients of the term.
5306 (clast_to_gcc_expression_red): New. Handle reduction expressions
5307 of more than two operands.
5308 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5309 (get_vdef_before_scop): Handle also the case of default definitions.
5311 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5313 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5314 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5315 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5317 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5318 Joey Ye <joey.ye@intel.com>
5321 * cfgexpand.c (expand_stack_alignment): Don't update stack
5322 boundary nor check incoming stack boundary here.
5323 (gimple_expand_cfg): Update stack boundary and check incoming
5324 stack boundary here.
5326 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5328 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5330 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5332 PR rtl-optimization/38245
5333 * calls.c (expand_call): Add stack arguments to
5334 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5335 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5336 in regs and partially in memory or BLKmode arguments.
5337 (emit_library_call_value_1): Add stack arguments to
5338 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5339 ACCUMULATE_OUTGOING_ARGS).
5340 * dce.c: Include tm_p.h.
5341 (find_call_stack_args): New function.
5342 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5344 (mark_insn): Call find_call_stack_args for CALL_Ps.
5345 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5346 forwards. Allocate and free arg_stores bitmap if needed, pass it
5347 down to deletable_insn_p, don't mark stores set in arg_stores
5348 bitmap, clear the bitmap at the beginning of each bb.
5349 * Makefile.in (dce.o): Depend on $(TM_P_H).
5351 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5354 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5355 to make sure the insn is a conditional test (bug 22599). Reformat a
5358 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5361 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5362 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5363 (gloog): Do not call cleanup_tree_cfg.
5364 (graphite_transform_loops): Call cleanup_tree_cfg after all
5365 scops have been code generated.
5367 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5368 * doc/gty.texi (Invoking the garbage collector): Added new node
5369 and section documenting ggc_collect.
5371 2009-01-14 Richard Guenther <rguenther@suse.de>
5373 PR tree-optimization/38826
5375 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5376 initialization notes only if we actually emitted a warning.
5377 (intra_create_variable_infos): Add constraints for a result decl
5378 that is passed by hidden reference.
5379 (build_pred_graph): Mark all related variables non-direct on
5382 2009-01-14 Nick Clifton <nickc@redhat.com>
5384 * ira-conflicts.c: Include addresses.h for the definition of
5386 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5387 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5389 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5392 * Makefile.in (ira-lives.o): Add except.h.
5394 * ira-lives.c: Include except.h.
5395 (process_bb_node_lives): Process can_throw_internal.
5397 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5399 PR rtl-optimization/38774
5400 * combine.c (simplify_set): When undoing cc_use change, don't do
5401 PUT_CODE on the newly created comparison, but instead put back the
5404 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5406 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5407 values. Remove duplicate arm8 entry.
5409 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5411 PR tree-optimization/38786
5412 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5413 the SSA_NAME case of expand_scalar_variables_expr.
5414 Set the type of an expression to the type of its assign statement.
5415 (expand_scalar_variables_expr): Also gather the scalar computation
5416 used to index the memory access. Do not pass loop_p.
5417 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5418 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5419 the gimple_stmt_iterator where it inserts new code.
5421 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5422 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5424 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5426 * graphite.h (debug_value): Removed.
5427 * graphite.c (debug_value): Removed.
5429 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5431 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5432 ldrd/strd with two 32-bit instructions.
5434 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5436 * config/arm/arm.c (struct processors): Pass for speed down into
5437 cost helper functions.
5438 (const_ok_for_op): Handle COMPARE and inequality nodes.
5439 (arm_rtx_costs_1): Rewrite.
5440 (arm_size_rtx_costs): Update prototype.
5441 (arm_rtx_costs): Pass speed down to helper functions.
5442 (arm_slowmul_rtx_costs): Rework cost calculations.
5443 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5444 (arm_9e_rtx_costs): Likewise.
5446 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5448 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5449 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5450 (alpha_legitimize_address): Do not split local symbols wider than
5451 UNITS_PER_WORD into HIGH/LO_SUM parts.
5453 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5456 * gcc.c (process_command): Replace call to execvp with calls
5457 to pex_one and exit.
5459 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5462 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5463 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5464 variant for devices with 3-byte PC.
5465 (__tablejump_elpm__): New.
5467 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5470 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5471 offsetof member-designator, handle it as `[0].'.
5473 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5475 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5476 function when not using named sections on targets with named sections
5477 if branch distance is less than 262132.
5479 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5481 * combine.c (combine_instructions): Recompute
5482 optimize_this_for_speed_p for each BB in the main combine loop.
5484 2009-01-12 Tomas Bily <tbily@suse.cz>
5487 * tree-loop-distribution.c (prop_phis): New function.
5488 (generate_builtin): Call prop_phis.
5489 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5491 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5493 PR tree-optimization/38807
5494 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5495 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5497 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5499 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5500 subreg of op0 to the original op0.
5502 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5504 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5506 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5509 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5510 starting with digits.
5512 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5515 * config/arm/arm.c (arm_is_long_call_p): Don't call
5516 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5518 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5520 * regrename.c (regrename_optimize): Fix dumping.
5521 (find_oldest_value_reg): Preserve REG_POINTER.
5522 (copy_hardreg_forward_1): Likewise.
5524 2009-01-09 Diego Novillo <dnovillo@google.com>
5526 * gimple.h (struct gimple_statement_base) <uid>: Document
5527 the restrictions on its use.
5529 (gimple_set_uid): Tidy.
5531 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5533 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5534 zero guard even if align_bytes != 0 and count is smaller than
5537 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5539 PR rtl-optimization/38495
5540 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5541 (add_range_and_copies_from_move_list): Print all added ranges.
5542 Add ranges to memory optimized destination.
5544 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5548 * config/i386/i386.c (override_options): Reject
5549 -mstringop-strategy=rep_8byte with -m32.
5550 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5551 to 1. Do count comparison against epilogue_size_needed at compile
5552 time even when count_exp was constant forced into register. For
5553 size_needed don't jump to epilogue, instead just avoid aligning
5554 and invoke the body algorithm. If need_zero_guard, add zero guard
5555 even if count is non-zero, but smaller than size_needed + number of
5556 bytes that could be stored for alignment.
5557 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5558 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5559 but smaller than size_needed + number of bytes that could be stored
5560 for alignment. Compare size_needed with epilogue_size_needed instead
5561 of desired_align - align, don't adjust size_needed, pass
5562 epilogue_size_needed to the epilogue expanders.
5565 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5567 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5569 * pa.c (last_address): Change to unsigned.
5570 (update_total_code_bytes): Change argument to unsigned. Don't
5571 check if insn addresses are set.
5572 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5573 addresses are not set.
5574 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5576 2009-01-09 Nick Clifton <nickc@redhat.com>
5578 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5579 DECL_DECLARED_INLINE_P.
5581 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5584 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5585 GET_MODE (op0) in operand_subword_force calls.
5588 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5589 fold_convert arg0 operands to TREE_TYPE (op0) first.
5591 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5593 * params.def (ira-max-conflict-table-size): Decrease default value
5596 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5598 PR tree-optimization/37031
5599 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5601 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5602 allocate it using gc instead of heap, use VEC_quick_push instead of
5604 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5605 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5606 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5607 allocated vector from heap allocated.
5608 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5609 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5610 vector only after perfect_loop_nest_depth call.
5612 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5613 Jan Sjodin <jan.sjodin@amd.com>
5615 PR tree-optimization/38559
5616 * graphite.c (debug_value, copy_constraint,
5617 swap_constraint_variables, scale_constraint_variable, ): New.
5618 (get_lower_bound, get_upper_bound): Removed.
5619 (graphite_trans_bb_strip_mine): Clean up this code that works
5620 only for constant number of iterations. Fully copy upper and
5621 lower bound constraints, not only the constant part of them.
5622 * graphite.h (debug_value): Declared.
5624 2009-01-08 Ira Rosen <irar@il.ibm.com>
5626 PR tree-optimization/37194
5627 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5628 Don't add the cost of cost model guard in prologue to scalar
5629 outside cost in case of known number of iterations.
5631 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5632 Alan Modra <amodra@bigpond.net.au>
5634 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5635 non-word-aligned REG+CONST addressing.
5637 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5640 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5641 free_after_compilation when outputting a thunk.
5642 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5643 Do not call free_after_compilation here.
5645 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5647 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5648 (ix86_valid_target_attribute_inner_p): Ditto.
5650 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5652 PR tree-optimization/38492
5653 PR tree-optimization/38498
5654 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5655 * tree-chrec.h (scev_is_linear_expression): Declared.
5656 * graphite.c (graphite_cannot_represent_loop_niter): New.
5657 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5658 (graphite_loop_normal_form): Use gcc_assert.
5659 (scan_tree_for_params): Use CASE_CONVERT.
5660 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5661 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5662 Use gcc_assert. Discard scops that contain unhandled cases.
5663 (build_scop_conditions): Return a boolean status for unhandled cases.
5664 (strip_mine_profitable_p): Print the loop number, not its depth.
5665 (is_interchange_valid): Pass the depth of the loop nest, don't
5666 recompute it wrongly.
5667 (graphite_trans_bb_block): Same.
5668 (graphite_trans_bb_block): Print tentative of loop blocking.
5669 (graphite_trans_scop_block): Do not print that the loop has been
5671 (graphite_transform_loops): Do not handle scops that contain condition
5674 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5676 AVX Programming Reference (December, 2008)
5677 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5678 (_mm256_stream_pd): Likewise.
5679 (_mm256_stream_ps): Likewise.
5681 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5682 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5683 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5684 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5685 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5686 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5687 (ix86_expand_special_args_builtin): Likewise.
5689 * config/i386/sse.md (AVXMODEDI): New.
5690 (avx_movnt<mode>): Likewise.
5691 (avx_movnt<mode>): Likewise.
5692 (<sse>_movnt<mode>): Remove AVX support.
5693 (sse2_movntv2di): Likewise.
5695 2009-01-07 Richard Guenther <rguenther@suse.de>
5698 * fold-const.c (extract_muldiv): Remove obsolete comment.
5699 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5700 to PLUS_EXPR canonicalization for the canonicalization.
5702 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5704 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5705 hosted cross-compilers generating less efficient code.
5707 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5709 * function.h (rtl_data): Add a dbr_scheduled_p field.
5710 * reorg.c (dbr_schedule): Set it.
5711 (gate_handle_delay_slots): Check it.
5712 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5713 (mips_reorg): Check flag_delayed_branch instead of
5714 mips_base_delayed_branch.
5715 (mips_override_options): Don't set mips_base_delayed_branch
5716 or flag_delayed_branch.
5718 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5720 PR rtl-optimization/38426.
5721 * ira.c (ira): Set current_function_is_leaf earlier.
5723 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5725 PR rtl-optimization/38722
5726 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5727 too early, only set a flag and modify after last possible
5730 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5733 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5734 * real.c (decimal_single_format): Correct values of emin and emax.
5735 (decimal_double_format): Ditto.
5736 (decimal_quad_format): Ditto.
5737 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5738 computation of DECnn_MIN and DECnn_MAX for corrected values of
5739 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5740 __DECnn_MIN__, and adjust its computation for the corrected value
5743 2009-01-06 Jan Hubicka <jh@suse.cz>
5746 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5748 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5750 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5751 Add Robert Clark to the list of testers.
5753 2009-01-06 Jan Hubicka <jh@suse.cz>
5754 Kai Tietz <kai.tietz@onevision.com>
5756 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5757 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5759 2009-01-06 Jan Hubicka <jh@suse.cz>
5760 Kai Tietz <kai.tietz@onevision.com>
5762 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5764 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5765 (ix86_nsaved_regs): Count only general purpose regs.
5766 (ix86_nsaved_sseregs): New.
5767 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5768 to 16 for w64; compute padding and size of sse reg save area.
5769 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5770 general purpose regs.
5771 (ix86_emit_save_sse_regs_using_mov): New.
5772 (ix86_expand_prologue): Save SSE regs if needed.
5773 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5774 (ix86_emit_restore_sse_regs_using_mov): New.
5775 (ix86_expand_epilogue): Save SSE regs if needed.
5777 2009-01-06 Jan Hubicka <jh@suse.cz>
5778 Kai Tietz <kai.tietz@onevision.com>
5780 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5781 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5782 functions when accumulate outgoing args is off.
5784 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5787 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5788 before using pseudos_have_intersected_live_ranges_p.
5790 * ira-int.h (ira_assert): Always define.
5792 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5794 AVX Programming Reference (December, 2008)
5795 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5796 (_mm256_permute2_pd): Likewise.
5797 (_mm_permute2_ps): Likewise.
5798 (_mm256_permute2_ps): Likewise.
5799 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5800 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5802 * config/i386/i386.c (ix86_builtins): Remove
5803 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5804 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5805 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5806 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5807 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5808 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5809 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5810 __builtin_ia32_vpermil2ps256.
5811 (ix86_init_mmx_sse_builtins): Updated.
5812 (ix86_expand_args_builtin): Likewise.
5814 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5816 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5817 long absolute calls when generating PA 2.0 code.
5819 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5821 PR rtl-optimization/38583
5822 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5824 * params.def (ira-max-conflict-table-size): New.
5826 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5828 * ira.h (ira_conflicts_p): New external definition.
5830 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5831 table. Report this. Return result of building.
5832 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5833 building conflict table.
5835 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5836 (ira_color): Use ira_conflicts_p.
5838 * global.c: Include ira.h.
5839 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5842 * Makefile.in (global.o): Add ira.h.
5844 * ira-build.c (mark_all_loops_for_removal,
5845 propagate_some_info_from_allocno): New.
5846 (remove_unnecessary_allocnos): Call
5847 propagate_some_info_from_allocno.
5848 (remove_low_level_allocnos): New.
5849 (remove_unnecessary_regions): Add parameter. Call
5850 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5851 parameter to remove_unnecessary_regions.
5852 (ira_build): Remove all regions but root if the conflict table was
5853 not built. Update conflict hard regs for allocnos crossing calls.
5855 * ira.c (ira_conflicts_p): New global.
5856 (ira): Define and use ira_conflicts_p.
5858 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5859 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5860 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5862 2009-01-06 Ben Elliston <bje@au.ibm.com>
5864 * gengtype-lex.l (YY_NO_INPUT): Define.
5866 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5869 * c-common.c (handle_vector_size_attribute): Also reject
5872 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5874 PR tree-optimization/38492
5875 * graphite.c (rename_map_elt, debug_rename_elt,
5876 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5877 rename_map_elt_info, eq_rename_map_elts,
5878 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5879 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5880 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5881 (sese_build_livein_liveouts): New.
5882 (new_sese, free_sese): New.
5883 (new_scop): Call new_sese.
5884 (free_scop): Call free_sese.
5885 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5886 (register_old_new_names): Renamed register_old_and_new_names.
5887 (register_scop_liveout_renames, add_loop_exit_phis,
5888 insert_loop_close_phis, struct igp,
5889 default_liveout_before_guard, add_guard_exit_phis,
5890 insert_guard_phis, copy_renames): New.
5891 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5892 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5893 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5894 (scop_adjust_phis_for_liveouts): New.
5895 (gloog): Call scop_adjust_phis_for_liveouts.
5897 * graphite.h (struct sese): Documented. Added fields liveout,
5899 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5900 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5901 (struct scop): Added field liveout_renames.
5902 (SCOP_LIVEOUT_RENAMES): New.
5904 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5906 PR tree-optimization/38510
5907 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5908 (translate_clast): Call recompute_all_dominators before
5910 (gloog): Call recompute_all_dominators before graphite_verify.
5912 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5913 Jan Sjodin <jan.sjodin@amd.com>
5915 PR tree-optimization/38500
5916 * graphite.c (create_sese_edges): Call fix_loop_structure after
5919 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5921 * config.gcc: Add m32r*-*-rtems*.
5922 * config/m32r/rtems.h: New file.
5924 2009-01-05 Ben Elliston <bje@au.ibm.com>
5926 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5927 (.po.pox): Likewise.
5928 (po/gcc.pot): Likewise.
5930 2009-01-04 David S. Miller <davem@davemloft.net>
5932 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5933 (STARTING_FRAME_OFFSET): Always set to zero.
5935 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5937 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5938 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5939 fixed-point types, and vectors of the same.
5941 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5943 * config/mips/sync.md (*mb_barrier): Rename to...
5944 (*memory_barrier): ...this.
5946 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5948 * doc/extend.texi (Function Attributes): Move @cindex after @item
5949 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5950 and put in alphabetical order. Fix 'target' name and put in order.
5951 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5954 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5956 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5957 (memory_barrier): Expand as unspec instead of unspec_volatile.
5958 Remove mem:BLK from insn operands. Use Pmode scratch register.
5959 (*memory_barrier): Define as unspec instead of unspec_volatile.
5960 Use (match_dup 0) as input operand.
5962 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5963 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5964 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5965 scratch register. Remove operand 1.
5966 (*stbar): Define as unspec instead of unspec_volatile.
5967 Use (match_dup 0) as input operand, remove (const_int 8).
5968 (*membar): Define as unspec instead of unspec_volatile.
5969 Use (match_dup 0) as input operand, remove input operand 2.
5971 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5972 (memory_barrier): Expand as unspec instead of unspec_volatile.
5973 Remove mem:BLK from insn operands. Use Pmode scratch register.
5974 (*memory_barrier): Define as unspec instead of unspec_volatile.
5975 Use (match_dup 0) as input operand.
5977 * config/ia64/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 (*memory_barrier): New insn pattern.
5982 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5984 (*memory_barrier): Use (match_dup 0) as input operand.
5986 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5987 Remove mem:BLK from insn operands. Use Pmode scratch register.
5988 Set volatile flag on operand 0.
5989 (*mb_internal): New insn pattern.
5991 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5993 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5996 * function.c (struct temp_slot): Move to the section of the file
5997 that deals with temp slots. Remove field 'address'.
5998 (temp_slot_address_table): New hash table of address -> temp slot.
5999 (struct temp_slot_address_entry): New struct, items for the table.
6000 (temp_slot_address_compute_hash, temp_slot_address_hash,
6001 temp_slot_address_eq, insert_temp_slot_address): Support functions
6003 (find_temp_slot_from_address): Rewrite to use the new hash table.
6004 (remove_unused_temp_slot_addresses): Remove addresses of temp
6005 slots that have been made available.
6006 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6007 worker function for remove_unused_temp_slot_addresses.
6008 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6009 Add the temp slot address to the address -> temp slot map.
6010 (update_temp_slot_address): Update via insert_temp_slot_address.
6011 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6012 (pop_temp_slots): Likewise.
6013 (init_temp_slots): Allocate the address -> temp slot map, or empty
6014 the map if it is already allocated.
6015 (prepare_function_start): Initialize temp slot processing.
6017 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6020 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6021 Calculate the size of all stack vars assuming no packing of stack
6022 vars will happen, replacing a quadratic algorithm with a linear one.
6024 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6027 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6030 2009-01-03 Diego Novillo <dnovillo@google.com>
6032 * doc/contrib.texi: Update contributions.
6034 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6037 * builtins.c (fold_builtin_memory_op): Give up if either operand
6038 is volatile. Set srctype or desttype to non-qualified version
6042 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6045 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6047 PR rtl-optimization/35805
6048 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6049 problem if fast dce is able to remove any instructions.
6050 * dce.c (dce_process_block): Fix dump message.
6052 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6055 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6057 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6060 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6061 * tree-pretty-print.c (op_code_prio): New function.
6062 (op_prio): No longer static. Use op_code_prio.
6063 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6064 Use op_prio and op_code_prio to determine if () should be
6065 printed around operand(s) or not.
6067 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6068 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6069 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6070 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6071 pp_character instead of pp_string for single letter printing.
6073 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6075 * doc/extend.texi: Fix '#pragma GCC option' typo.
6077 2009-01-02 Richard Guenther <rguenther@suse.de>
6079 * doc/install.texi (--enable-checking): Mention different
6081 (--enable-stage1-checking): Document.
6083 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6086 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6087 case to be an error.
6089 2009-01-02 Ben Elliston <bje@au.ibm.com>
6091 * config/fp-bit.h (pack_d): Constify argument.
6092 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6093 (isnan): Constify argument.
6097 (_fpadd_parts): Constify return type.
6098 (_fpmul_parts): Likewise.
6099 (_fpdiv_parts): Likewise.
6101 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6104 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6105 warn about overwriting initializer with side-effects or
6106 -Woverride-init if !IMPLICIT.
6107 (output_init_element): Likewise. Pass IMPLICIT down to
6109 (process_init_element): Add IMPLICIT argument. Pass it down
6110 to output_init_element.
6111 (push_init_element, pop_init_level, set_designator): Adjust
6112 process_init_element callers.
6113 (set_nonincremental_init, set_nonincremental_init_from_string):
6114 Adjust add_pending_init callers.
6115 (output_pending_init_elements): Adjust output_init_element callers.
6116 * c-tree.h (process_init_element): Adjust prototype.
6117 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6118 process_init_element callers.