| blob | 533705578d3f64b1496814a31c77e8e27c9c4c4b |
1 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
3 * config/i386/i386.md (cmpcc): New.
4 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5 (sync_compare_and_swap_cc*): Delete.
7 * config/s390/s390.c (s390_compare_emitted): Remove.
8 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
9 s390_compare_emitted used to be handled. Assert that modes match.
10 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
11 refer to sync_compare_and_swap_ccsi.
12 * config/s390/s390.h (s390_compare_emitted): Remove.
13 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
14 instead of s390_compare_emitted.
15 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
16 instead of s390_compare_emitted.
17 * config/s390/s390.md (cmpcc): New.
18 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
19 CC_REGNUM, do not pretend it's set.
20 (sync_compare_and_swap_cc*): Delete.
21 * config/s390/predicates.md (cc_reg_operand): New.
23 * expr.c (sync_compare_and_swap_cc): Delete.
24 * optabs.h (sync_compare_and_swap_cc): Delete.
25 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
26 is being used with can_compare_p.
27 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
28 (find_cc_set): New.
29 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
30 look for a MODE_CC set instead. Use emit_store_flag.
31 (expand_compare_and_swap_loop): Likewise, with some additional
32 complication to avoid a force_reg when useless. Use
33 emit_cmp_and_jump_insns.
34 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
35 * doc/md.texi (sync_compare_and_swap_cc): Merge with
36 sync_compare_and_swap documentation.
38 2009-04-09 Jan Hubicka <jh@suse.cz>
40 * except.c (find_prev_try): Break out from ....
41 (duplicate_eh_regions): ... here; properly update prev_try pointers
42 when duplication part of tree.
43 (dump_eh_tree): Improve dumping.
44 (verify_eh_region): New.
45 (verify_eh_tree): Use it.
47 2009-04-06 Richard Guenther <rguenther@suse.de>
49 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
50 &ARRAY addresses by adjusting their types and prepending
51 a conversion.
52 * tree-cfg.c (verify_gimple_assign_single): Verify that
53 addresses are correct.
55 2009-04-09 Richard Guenther <rguenther@suse.de>
57 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
58 indices into an array reference if possible.
59 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
60 Fold POINTER_PLUS_EXPR statements with invariant address.
62 2009-04-09 Alan Modra <amodra@bigpond.net.au>
64 PR target/39634
65 * config.gcc (powerpc64-*-linux*): Always build biarch.
67 2009-04-09 Joseph Myers <joseph@codesourcery.com>
69 PR c/39613
70 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
71 it and pedwarn if this results in an INTEGER_CST.
73 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
75 * doc/install.texi: Update minimum GMP version. Remove obsolete
76 text in MPFR section.
78 2009-04-08 Jakub Jelinek <jakub@redhat.com>
80 * dwarf2out.c (class_scope_p): New static inline.
81 (class_or_namespace_scope_p): Use it.
82 (gen_variable_die): Use DW_TAG_member tag for static data member
83 declarations instead of DW_TAG_variable.
85 PR middle-end/39573
86 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
87 variables.
89 2009-04-08 Richard Guenther <rguenther@suse.de>
91 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
92 valueize random data.
94 2009-04-08 David Edelsohn <edelsohn@gnu.org>
96 * config.gcc (aix tm_file): Add aix-stdint.h.
97 (aix tm clause use_gcc_stdint): Set to wrap.
98 * config/rs6000/aix-stdint.h: New file.
100 2009-04-08 Richard Guenther <rguenther@suse.de>
102 PR middle-end/36291
103 * tree-dfa.c (add_referenced_var): Do not recurse into
104 global initializers.
105 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
106 exposed variables.
107 (fold_const_aggregate_ref): Likewise.
109 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
111 * recog.c (ordered_comparison_operator): New.
112 * gensupport.c (std_preds): Add it.
113 * doc/md.texi (Machine-Independent Predicates): Document it.
115 2009-04-08 Jan Hubicka <jh@suse.cz>
117 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
118 * function.h (rtl_eh): Remove exception_handler_label_map.
119 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
120 remove_exception_handler_label, for_each_eh_label_1): Remove.
121 (rtl_remove_unreachable_regions): Remove.
122 (convert_from_eh_region_ranges): Do not remove unreachable regions.
123 (find_exception_handler_labels): Don't build the hashtable.
124 (maybe_remove_eh_handler): Remove.
125 (for_each_eh_label): Rewrite to walk the tree.
126 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
127 * except.h (maybe_remove_eh_handler): Remove.
128 * passes.c (init_optimization_passes): Schedule second EH cleanup
129 before out-of-ssa.
130 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
131 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
133 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
135 * genoutput.c (validate_optab_operands): New.
136 (gen_insn, gen_expand): Call it.
138 * genflags.c (gen_insn): Detect misused iterators.
139 (main): Pass line_no to gen_insn, exit with status 1 on error.
141 * genextract.c (line_no): Make global.
142 (VEC_safe_set_locstr): Change assertion to error message.
143 (main): Exit with status 1 on error.
145 2009-04-08 Joseph Myers <joseph@codesourcery.com>
147 PR c/39614
148 PR c/39673
149 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
150 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
151 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
152 * c-convert.c (convert): Do not call fold on results of conversion
153 functions when the result is a C_MAYBE_CONST_EXPR.
154 * c-parser.c (c_parser_postfix_expression): Do not fold condition
155 of __builtin_choose_expr.
156 * c-typeck.c (remove_c_maybe_const_expr): New.
157 (build_unary_op, build_conditional_expr, build_compound_expr,
158 build_binary_op, c_objc_common_truthvalue_conversion): Call
159 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
160 integer operands.
162 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
164 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
165 CODE to produce a new one. Add a prototype to use fold_convert_const
167 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
169 PR bootstrap/39660
170 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
171 mix declarations and code.
173 2009-04-08 Ben Elliston <bje@au.ibm.com>
175 * gcc.c: Replace `CC' with `GCC' throughout.
177 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
179 * doc/invoke.texi: Document Atom support.
181 2009-04-07 Jason Merrill <jason@redhat.com>
183 PR c++/25185
184 * c-common.h, c-common.c: Add flag_pretty_templates.
185 * c-opts.c (c_common_handle_option): Set it.
186 * c.opt: Add -fno-pretty-templates.
187 * doc/invoke.texi (C++ Dialect Options): Likewise.
189 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
191 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
192 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
193 (ia64_expand_builtin): Likewise.
195 2009-04-07 Martin Jambor <mjambor@suse.cz>
197 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
198 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
199 ADDR_EXPRS are include too.
201 2009-04-07 Richard Guenther <rguenther@suse.de>
203 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
204 decls are only used if passes as parameters or if they are
205 local statics and the call is not to a builtin.
206 (call_may_clobber_ref_p_1): Likewise.
208 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
210 * expr.c (do_store_flag): Remove last argument. Simplify code
211 to avoid duplication of tests already done by can_compare_p.
212 (expand_expr_real_1): Adjust caller.
214 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
216 * optabs.c (can_compare_p): Test the predicate of a
217 cbranch and cstore pattern.
219 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
221 * expr.c (convert_move): Use emit_store_flag instead of
222 "emulating" it.
224 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
226 * config/i386/i386.c (ix86_compare_emitted): Remove.
227 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
228 ix86_compare_op0 like ix86_compare_emitted used to be handled.
229 * config/i386/i386.h (ix86_compare_emitted): Remove.
230 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
231 instead of ix86_compare_emitted.
232 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
234 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
236 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
237 Add t-sysroot-suffix to tmake_file.
238 * config/print-sysroot-suffix.sh: New file.
239 * config/t-sysroot-suffix: New file.
241 2009-04-07 Ben Elliston <bje@au.ibm.com>
243 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
244 as the latter produces a warning when the target does not support
245 infinity.
247 2009-04-07 Ben Elliston <bje@au.ibm.com>
249 * dfp.c: Replace type punning assignments with memcpy throughout.
250 * Makefile.in (dfp.o-warn): Remove.
252 2009-04-07 Alan Modra <amodra@bigpond.net.au>
254 PR target/39634
255 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
256 Include soft-fp/t-softfp after rs6000/t-linux64.
258 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
260 * stor-layout.c (set_sizetype): Use the full precision of their
261 machine mode for bitsize types.
263 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
265 * config/i386/i386.md: Revert 2 accidental checkins.
267 2009-04-06 Joey Ye <joey.ye@intel.com>
268 Xuepeng Guo <xuepeng.guo@intel.com>
269 H.J. Lu <hongjiu.lu@intel.com>
271 Atom pipeline model, tuning and insn selection.
272 * config.gcc (atom): Add atom config options and target.
274 * config/i386/atom.md: New.
276 * config/i386/i386.c (atom_cost): New cost.
277 (m_ATOM): New macro flag.
278 (initial_ix86_tune_features): Set m_ATOM.
279 (x86_accumulate_outgoing_args): Likewise.
280 (x86_arch_always_fancy_math_387): Likewise.
281 (processor_target): Add Atom cost.
282 (cpu_names): Add Atom cpu name.
283 (override_options): Set Atom ISA.
284 (ix86_issue_rate): New case PROCESSOR_ATOM.
285 (ix86_adjust_cost): Likewise.
287 * config/i386/i386.h (TARGET_ATOM): New target macro.
288 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
289 (TARGET_OPT_AGU): New target option.
290 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
291 (processor_type): Add PROCESSOR_ATOM.
293 * config/i386/i386.md (cpu): Add new value "atom".
294 (use_carry, movu): New attr.
295 (atom.md): Include atom.md.
296 (adddi3_carry_rex64): Set attr "use_carry".
297 (addqi3_carry): Likewise.
298 (addhi3_carry): Likewise.
299 (addsi3_carry): Likewise.
300 (*addsi3_carry_zext): Likewise.
301 (subdi3_carry_rex64): Likewise.
302 (subqi3_carry): Likewise.
303 (subhi3_carry): Likewise.
304 (subsi3_carry): Likewise.
305 (x86_movdicc_0_m1_rex64): Likewise.
306 (*x86_movdicc_0_m1_se): Likewise.
307 (x86_movsicc_0_m1): Likewise.
308 (*x86_movsicc_0_m1_se): Likewise.
309 (*adddi_1_rex64): Emit add insn as much as possible.
310 (*addsi_1): Likewise.
311 (return_internal): Set atom_unit.
312 (return_internal_long): Likewise.
313 (return_pop_internal): Likewise.
314 (*rcpsf2_sse): Set atom_sse_attr attr.
315 (*qrt<mode>2_sse): Likewise.
316 (*prefetch_sse): Likewise.
318 * config/i386/i386-c.c (ix86_target_macros_internal): New case
319 PROCESSOR_ATOM.
320 (ix86_target_macros_internal): Likewise.
322 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
323 (*prefetch_sse_rex): Likewise.
324 (sse_rcpv4sf2): Likewise.
325 (sse_vmrcpv4sf2): Likewise.
326 (sse_sqrtv4sf2): Likewise.
327 (<sse>_vmsqrt<mode>2): Likewise.
328 (sse_ldmxcsr): Likewise.
329 (sse_stmxcsr): Likewise.
330 (*sse_sfence): Likewise.
331 (sse2_clflush): Likewise.
332 (*sse2_mfence): Likewise.
333 (*sse2_lfence): Likewise.
334 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
335 (<sse>_movup<ssemodesuffixf2c>): Likewise.
336 (avx_movdqu<avxmodesuffix>): Likewise.
337 (avx_lddqu<avxmodesuffix>): Likewise.
338 (sse2_movntv2di): Change attr "type" to "ssemov".
339 (sse2_movntsi): Likewise.
340 (rsqrtv8sf2): Change attr "type" to "sseadd".
341 (sse3_addsubv2df3): Set attr "atom_unit".
342 (sse3_h<plusminus_insn>v4sf3): Likewise.
343 (*sse2_pmaddwd): Likewise.
344 (*vec_extractv2di_1_rex64): Likewise.
345 (*vec_extractv2di_1_avx): Likewise.
346 (sse2_psadbw): Likewise.
347 (ssse3_phaddwv8hi3): Likewise.
348 (ssse3_phaddwv4hi3): Likewise.
349 (ssse3_phadddv4si3): Likewise.
350 (ssse3_phadddv2si3): Likewise.
351 (ssse3_phaddswv8hi3): Likewise.
352 (ssse3_phaddswv4hi3): Likewise.
353 (ssse3_phsubwv8hi3): Likewise.
354 (ssse3_phsubwv4hi3): Likewise.
355 (ssse3_phsubdv4si3): Likewise.
356 (ssse3_phsubdv2si3): Likewise.
357 (ssse3_phsubswv8hi3): Likewise.
358 (ssse3_phsubswv4hi3): Likewise.
359 (ssse3_pmaddubsw128): Likewise.
360 (sse3_pmaddubsw: Likewise.
361 (ssse3_palignrti): Likewise.
362 (ssse3_palignrdi): Likewise.
364 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
366 * doc/install.texi (Specific): Fix two cross-references to MinGW.
368 2009-04-06 Richard Guenther <rguenther@suse.de>
370 PR tree-optimization/28868
371 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
372 of which PHI results we inserted.
373 (insert_into_preds_of_block): Record inserted PHIs.
374 (eliminate): Eliminate redundant PHI nodes.
375 (init_pre): Init inserted_phi_names.
377 2009-04-06 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/39643
380 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
381 IMAGPART_EXPRs of complex constants.
382 (execute_fold_all_builtins): If we folded a call queue
383 TODO_update_address_taken.
385 2009-04-06 Jan Hubicka <jh@suse.cz>
387 PR middle-end/39659
388 * except.c (remove_unreachable_regions): Propagate may_contain_throw
389 flag.
391 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
393 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
394 delay slot.
395 (ic_invalidate_array): Likewise.
397 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
399 * calls.c (emit_library_call_value_1): Fix a problem with parameter
400 alignment for library calls.
402 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
404 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
405 (mingw32 tm clause use_gcc_stdint): Set to wrap.
406 * config/i386/mingw-stdint.h: New file.
408 2009-04-05 Richard Guenther <rguenther@suse.de>
410 PR tree-optimization/39648
411 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
412 our &A vs. &A[0] IL deficiencies.
414 2009-04-04 Jan Hubicka <jh@suse.cz>
416 * except.c (sjlj_find_directly_reachable_regions): Be ready for
417 removed toplevel regions.
418 (sjlj_mark_call_sites): Likewise.
420 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
422 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
423 (cygwin tm clause use_gcc_stdint): Set to wrap.
424 * config/i386/cygwin-stdint.h: New file.
426 2009-04-04 Richard Guenther <rguenther@suse.de>
428 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
429 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
430 single-argument PHIs if we are in loop-closed SSA form.
431 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
432 for the pre-condition.
433 (slpeel_tree_peel_loop_to_edge): Likewise.
434 (vect_build_loop_niters): Take an optional sequence to append stmts.
435 (vect_generate_tmps_on_preheader): Likewise.
436 (vect_do_peeling_for_loop_bound): Take extra guards for the
437 pre-condition.
438 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
439 the cost model check.
440 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
441 guards if we are going to peel. Do not apply versioning in that
442 case.
443 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
444 (vect_do_peeling_for_loop_bound): Likewise.
445 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
446 loop bound only record extra pre-conditions, do not apply loop
447 versioning.
449 2009-04-04 Richard Guenther <rguenther@suse.de>
451 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
452 renaming code.
454 2009-04-04 Jan Hubicka <jh@suse.cz>
456 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
457 last_basic_block for size of bb->index indexed array.
458 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
459 compute_out, link_btr_uses, build_btr_def_use_webs,
460 build_btr_def_use_webs, migrate_btr_defs): Likewise.
462 2009-04-04 Jan Hubicka <jh@suse.cz>
464 * except.c (remove_eh_handler_and_replace): Break out from ...
465 (remove_eh_handler): ... here.
466 (bring_to_root): New function.
467 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
468 handled ones, bring others to root of tree.
470 2009-04-04 Jan Hubicka <jh@suse.cz>
472 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
473 (all_phis_safe_to_merge): New function.
474 (update_info): New structure.
475 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
476 (cleanup_empty_eh): Update SSA if possible.
478 2009-04-04 Richard Guenther <rguenther@suse.de>
480 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
481 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
482 (append_vuse): Likewise.
484 2009-04-04 Jakub Jelinek <jakub@redhat.com>
486 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
487 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
488 instead of REG_UNSAVED for DW_CFA_undefined.
489 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
490 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
491 outermost frame.
493 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
495 PR target/39501
496 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
497 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
498 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
500 2009-04-04 Richard Guenther <rguenther@suse.de>
502 PR tree-optimization/8781
503 PR tree-optimization/37892
504 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
505 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
506 (valueize_refs): Call it for *& valueizations.
507 (shared_reference_ops_from_ref): Rename to ...
508 (valueize_shared_reference_ops_from_ref): ... this and valueize.
509 (shared_reference_ops_from_call): Rename to ...
510 (valueize_shared_reference_ops_from_call): ... this and valueize.
511 (vn_reference_lookup): Update.
512 (visit_reference_op_call): Likewise.
513 * tree-ssa-pre.c (phi_translate_1): Fold *&.
514 (eliminate): Value-replace the call address in call statements.
516 2009-04-04 Richard Guenther <rguenther@suse.de>
518 PR tree-optimization/39636
519 * tree-ssa-forwprop.c
520 (forward_propagate_addr_into_variable_array_index): Check for
521 GIMPLE_ASSIGN before accessing the rhs code.
523 2009-04-03 Jason Merrill <jason@redhat.com>
525 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
527 2009-04-03 Steve Ellcey <sje@cup.hp.com>
529 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
530 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
531 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
532 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
533 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
534 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
535 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
536 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
537 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
538 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
539 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
540 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
541 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
542 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
543 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
544 Use fr_reg_or_fp01_operand instead of fr_register_operand
546 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
547 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
548 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
550 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
552 PR rtl-optimization/39607
553 PR rtl-optimization/39631
554 Revert
555 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
556 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
557 instead of DF_LR_OUT.
558 * ira-lives.c (process_bb_node_lives): Ditto.
559 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
560 instead of DF_LR_{OUT,IN}.
561 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
562 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
564 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
566 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
567 (execute_lower_omp): Always run but take the short way out if -fopenmp
568 is not given.
569 (gate_lower_omp): Remove, forcing the pass manager to always run the
570 pass and always set PROP_gimple_lomp.
571 (pass_lower_omp): Remove gate function.
572 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
573 PROP_trees. Instead, require it.
574 * ipa-cp.c (pass_ipa_cp): Likewise.
575 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
576 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
577 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
578 and PROP_gimple_leh.
580 2009-04-03 Richard Guenther <rguenther@suse.de>
582 PR middle-end/13146
583 PR tree-optimization/23940
584 PR tree-optimization/33237
585 PR middle-end/33974
586 PR middle-end/34093
587 PR tree-optimization/36201
588 PR tree-optimization/36230
589 PR tree-optimization/38049
590 PR tree-optimization/38207
591 PR tree-optimization/38230
592 PR tree-optimization/38301
593 PR tree-optimization/38585
594 PR middle-end/38895
595 PR tree-optimization/38985
596 PR tree-optimization/39299
597 * tree-ssa-structalias.h: Remove.
598 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
599 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
600 (struct vuse_element_d): Remove.
601 (struct vuse_vec_d): Likewise.
602 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
603 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
604 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
605 VUSE_ELEMENT_VAR): Likewise.
606 (struct voptype_d): Likewise.
607 (NUM_VOP_FREE_BUCKETS): Likewise.
608 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
609 (struct stmt_operands_d): Remove.
610 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
611 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
612 VDEF_NUM, VDEF_VECT): Likewise.
613 (copy_virtual_operands): Remove.
614 (operand_build_cmp): Likewise.
615 (create_ssa_artificial_load_stmt): Likewise.
616 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
617 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
618 vuse_index and mayuse_index members. Pack and move done and iter_type
619 members to the front.
620 (SSA_OP_VMAYUSE): Remove.
621 (SSA_OP_VIRTUAL_USES): Adjust.
622 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
623 (unlink_stmt_vdef): Declare.
624 (add_to_addressable_set): Remove.
625 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
626 (vrp_visit_stmt): Likewise.
627 * doc/tree-ssa.texi (Alias analysis): Update.
628 * doc/invoke.texi (max-aliased-vops): Remove docs.
629 (avg-aliased-vops): Likewise.
630 * tree-into-ssa.c (syms_to_rename): Remove.
631 (need_to_update_vops_p): Likewise.
632 (need_to_initialize_update_ssa_p): Rename to ...
633 (update_ssa_initialized_fn): ... this. Track function we are
634 initialized for.
635 (symbol_marked_for_renaming): Simplify.
636 (add_new_name_mapping): Do not set need_to_update_vops_p.
637 (dump_currdefs): Use SYMS_TO_RENAME.
638 (rewrite_update_stmt): Always walk all uses/defs.
639 (dump_update_ssa): Adjust.
640 (init_update_ssa): Take function argument. Track what we are
641 initialized for.
642 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
643 (create_new_def_for): Initialize for cfun, assert we are initialized
644 for cfun.
645 (mark_sym_for_renaming): Simplify.
646 (mark_set_for_renaming): Do not initialize update-ssa.
647 (need_ssa_update_p): Simplify. Take function argument.
648 (name_mappings_registered_p): Assert we ask for the correct function.
649 (name_registered_for_update_p): Likewise.
650 (ssa_names_to_replace): Likewise.
651 (release_ssa_name_after_update_ssa): Likewise.
652 (update_ssa): Likewise. Use SYMS_TO_RENAME.
653 (dump_decl_set): Do not print a newline.
654 (debug_decl_set): Do it here.
655 (dump_update_ssa): And here.
656 * tree-ssa-loop-im.c (move_computations): Adjust.
657 (movement_possibility): Likewise.
658 (determine_max_movement): Likewise.
659 (gather_mem_refs_stmt): Likewise.
660 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
661 or NAME_MEMORY_TAG.
662 * tree-complex.c (update_all_vops): Remove.
663 (expand_complex_move): Adjust.
664 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
665 Simplify test for memory referencing statement. Exclude
666 non-invariant ADDR_EXPRs.
667 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
668 * tree-loop-distribution.c (generate_memset_zero): Adjust.
669 (rdg_flag_uses): Likewise.
670 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
671 related code.
672 (tree_optimize_tail_calls_1): Also split the
673 edge from the entry block if we have degenerate PHI nodes in
674 the first basic block.
675 * tree.c (init_ttree): Remove memory-tag related code.
676 (tree_code_size): Likewise.
677 (tree_node_structure): Likewise.
678 (build7_stat): Re-write to be build6_stat.
679 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
680 (SSA_VAR_P): Adjust.
681 (struct tree_memory_tag): Remove.
682 (struct tree_memory_partition_tag): Likewise.
683 (union tree_node): Adjust.
684 (build7): Re-write to be build6.
685 * tree-pass.h (pass_reset_cc_flags): Remove.
686 (TODO_update_address_taken): New flag.
687 (pass_simple_dse): Remove.
688 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
689 * params.h (MAX_ALIASED_VOPS): Remove.
690 (AVG_ALIASED_VOPS): Likewise.
691 * omp-low.c (expand_omp_taskreg): Update SSA form.
692 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
693 aliases the lhs in a copy stmt.
694 * tree-ssa-dse.c (struct address_walk_data): Remove.
695 (memory_ssa_name_same): Likewise.
696 (memory_address_same): Likewise.
697 (get_kill_of_stmt_lhs): Likewise.
698 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
699 unused stores. Look through PHI nodes into post-dominated regions.
700 (dse_optimize_stmt): Simplify. Properly remove stores.
701 (tree_ssa_dse): Compute dominators.
702 (execute_simple_dse): Remove.
703 (pass_simple_dse): Likewise.
704 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
705 gimple_loaded_syms and gimple_stored_syms computation.
706 * toplev.c (dump_memory_report): Dump alias and pta stats.
707 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
708 (vn_reference_eq): Likewise.
709 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
710 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
711 valueize_vuses): Remove.
712 (get_def_ref_stmt_vuses): Simplify. Rename to ...
713 (get_def_ref_stmt_vuse): ... this.
714 (vn_reference_lookup_2): New function.
715 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
716 walking equivalent vuses. Simplify.
717 (vn_reference_lookup): Likewise.
718 (vn_reference_insert): Likewise.
719 (vn_reference_insert_pieces): Likewise.
720 (visit_reference_op_call): Simplify.
721 (visit_reference_op_load): Likewise.
722 (visit_reference_op_store): Likewise.
723 (init_scc_vn): Remove shared_lookup_vuses initialization.
724 (free_scc_vn): Remove shared_lookup_vuses freeing.
725 (sort_vuses, sort_vuses_heap): Remove.
726 (get_ref_from_reference_ops): Export.
727 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
728 vector with single vuse pointer.
729 (vn_reference_lookup_pieces, vn_reference_lookup,
730 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
731 (shared_vuses_from_stmt): Remove.
732 (get_ref_from_reference_ops): Declare.
733 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
734 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
735 memory-tag related code.
736 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
737 (likely_value): Add comment, skip static-chain of call statements.
738 (surely_varying_stmt_p): Adjust.
739 (gimplify_and_update_call_from_tree): Likewise.
740 (execute_fold_all_builtins): Do not rebuild alias info.
741 (gimplify_and_update_call_from_tree): Properly update VOPs.
742 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
743 (copy_ref_info): Remove memory-tag related code.
744 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
745 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
746 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
747 computation.
748 * tree-ssa-dom.c (gimple_p): Remove typedef.
749 (eliminate_redundant_computations): Adjust.
750 (record_equivalences_from_stmt): Likewise.
751 (avail_expr_hash): Likewise.
752 (avail_expr_eq): Likewise.
753 * tree-ssa-propagate.c (update_call_from_tree): Properly
754 update VOPs.
755 (stmt_makes_single_load): Likewise.
756 (stmt_makes_single_store): Likewise.
757 * tree-ssa-alias.c: Rewrite completely.
758 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
759 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
760 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
761 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
762 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
763 Remove public functions.
764 (pass_reset_cc_flags): Remove.
765 (pass_build_alias): Move ...
766 * tree-ssa-structalias.c (pass_build_alias): ... here.
767 * tree-ssa-alias.c (may_be_aliased): Move ...
768 * tree-flow-inline.h (may_be_aliased): ... here.
769 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
770 count_uses_and_derefs): Move ...
771 * gimple.c: ... here.
772 * gimple.h (count_uses_and_derefs): Declare.
773 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
774 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
775 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
776 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
777 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
778 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
779 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
780 New functions.
781 * tree-dfa.c (refs_may_alias_p): Move ...
782 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
783 * tree-ssa-alias.h: New file.
784 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
785 (statement_sink_location): Likewise.
786 * opts.c (decode_options): Do not adjust max-aliased-vops or
787 avg-aliased-vops values.
788 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
789 (TV_CALL_CLOBBER): Likewise.
790 (TV_FLOW_SENSITIVE): Likewise.
791 (TV_FLOW_INSENSITIVE): Likewise.
792 (TV_MEMORY_PARTITIONING): Likewise.
793 (TV_ALIAS_STMT_WALK): New timevar.
794 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
795 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
796 (get_address_description): Remove memory-tag related code.
797 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
798 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
799 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
800 and immediate uses in statements. Document.
801 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
802 (dump_symbols): Remove.
803 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
804 * alias.c (get_deref_alias_set): New function split out from ...
805 (get_alias_set): ... here.
806 * alias.h (get_deref_alias_set): Declare.
807 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
808 type parameter. Remove restrict pointer handling. Create a
809 ref-all pointer in case type-based alias sets do not conflict.
810 (vect_analyze_data_refs): Remove SMT related code.
811 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
812 (vectorizable_load): Likewise.
813 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
814 (DR_SYMBOL_TAG, DR_VOPS): Remove.
815 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
816 Ignore vops and SMTs.
817 (dr_analyze_alias): Likewise..
818 (free_data_ref): Likewise.
819 (create_data_ref): Likewise.
820 (analyze_all_data_dependences): Likewise.
821 (get_references_in_stmt): Adjust.
822 * tree-flow-inline.h (gimple_aliases_computed_p,
823 gimple_addressable_vars, gimple_call_clobbered_vars,
824 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
825 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
826 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
827 gimple_mem_ref_stats): Remove.
828 (gimple_vop): New function.
829 (op_iter_next_use): Remove vuses and mayuses cases.
830 (op_iter_next_def): Remove vdefs case.
831 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
832 (clear_and_done_ssa_iter): Do not set removed fields.
833 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
834 Assert we are not iterating over vuses or vdefs if not also
835 iterating over uses or defs.
836 (op_iter_init_use): Likewise.
837 (op_iter_init_def): Likewise.
838 (op_iter_next_vdef): Remove.
839 (op_iter_next_mustdef): Likewise.
840 (op_iter_init_vdef): Likewise.
841 (compare_ssa_operands_equal): Likewise.
842 (link_use_stmts_after): Handle vuse operand.
843 (is_call_used): Use is_call_clobbered.
844 (is_call_clobbered): Global variables are always call clobbered,
845 query the call-clobbers bitmap.
846 (mark_call_clobbered): Ignore global variables.
847 (clear_call_clobbered): Likewise.
848 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
849 virtual operands sanity check.
850 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
851 Remove.
852 (TARGET_MEM_REF): Remove TMR_TAG operand.
853 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
854 Remove call-clobber related code.
855 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
856 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
857 partitions or escape reason.
858 (get_single_def_stmt, get_single_def_stmt_from_phi,
859 get_single_def_stmt_with_phi): Remove.
860 (dump_referenced_vars): Tidy.
861 (get_ref_base_and_extent): Allow bare decls.
862 (collect_dfa_stats): Adjust.
863 * graphite.c (rename_variables_in_stmt): Adjust.
864 (graphite_copy_stmts_from_block): Likewise.
865 (translate_clast): Likewise.
866 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
867 (EXPR_DIES): New.
868 (translate_vuse_through_block): Use the oracle.
869 (phi_translate_1): Adjust.
870 (value_dies_in_block_x): Use the oracle. Cache the outcome
871 in EXPR_DIES.
872 (valid_in_sets): Check if the VUSE for
873 a REFERENCE is available.
874 (eliminate): Do not remove stmts during elimination,
875 instead queue and remove them afterwards.
876 (do_pre): Do not rebuild alias info.
877 (pass_pre): Run TODO_rebuild_alias before PRE.
878 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
879 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
880 (mark_all_v_defs_stmt): Remove.
881 (mark_all_v_defs_seq): Adjust.
882 (sra_replace): Likewise.
883 (scalarize_use): Likewise.
884 (scalarize_copy): Likewise.
885 (scalarize_init): Likewise.
886 (scalarize_ldst): Likewise.
887 (todoflags): Remove.
888 (tree_sra): Do not rebuild alias info.
889 (tree_sra_early): Adjust.
890 (pass_sra): Run TODO_update_address_taken before SRA.
891 * tree-predcom.c (set_alias_info): Remove.
892 (prepare_initializers_chain): Do not call it.
893 (mark_virtual_ops_for_renaming): Adjust.
894 (mark_virtual_ops_for_renaming_list): Remove.
895 (initialize_root_vars): Adjust.
896 (initialize_root_vars_lm): Likewise.
897 (prepare_initializers_chain): Likewise.
898 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
899 (may_propagate_copy_into_stmt): Likewise.
900 (merge_alias_info): Do nothing for now.
901 (propagate_tree_value_into_stmt): Adjust.
902 (stmt_may_generate_copy): Likewise.
903 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
904 not mark symbols for renaming.
905 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
906 with the same statement, make sure to update the new pointed-to one.
907 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
908 call statements, do not mark symbols for renaming.
909 (mark_operand_necessary): Dump something.
910 (ref_may_be_aliased): New function.
911 (mark_aliased_reaching_defs_necessary_1): New helper function.
912 (mark_aliased_reaching_defs_necessary): Likewise.
913 (mark_all_reaching_defs_necessary_1): Likewise.
914 (mark_all_reaching_defs_necessary): Likewise.
915 (propagate_necessity): Do not process virtual PHIs. For
916 non-aliased loads mark all reaching definitions as necessary.
917 For aliased loads and stores mark the immediate dominating
918 aliased clobbers as necessary.
919 (visited): New global static.
920 (perform_tree_ssa_dce): Free visited bitmap after propagating
921 necessity.
922 (remove_dead_phis): Perform simple dead virtual PHI removal.
923 (remove_dead_stmt): Properly unlink virtual operands when
924 removing stores.
925 (eliminate_unnecessary_stmts): Schedule PHI removal after
926 stmt removal.
927 * tree-ssa-ter.c (is_replaceable_p): Adjust.
928 (process_replaceable): Likewise.
929 (find_replaceable_in_bb): Likewise.
930 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
931 based on the single gimple vop.
932 (verify_flow_insensitive_alias_info): Remove.
933 (verify_flow_sensitive_alias_info): Likewise.
934 (verify_call_clobbering): Likewise.
935 (verify_memory_partitions): Likewise.
936 (verify_alias_info): Likewise.
937 (verify_ssa): Adjust..
938 (execute_update_addresses_taken): Export. Update SSA
939 manually. Optimize only when optimizing. Use a local bitmap.
940 (pass_update_address_taken): Remove TODO_update_ssa, add
941 TODO_dump_func.
942 (pass_update_address_taken): Just use TODO_update_address_taken.
943 (init_tree_ssa): Do not initialize addressable_vars.
944 (verify_ssa): Verify new VUSE / VDEF properties.
945 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
946 Do not call verify_alias_info.
947 (delete_tree_ssa): Clear the VUSE, VDEF operands.
948 Do not free the loaded and stored syms bitmaps. Reset the escaped
949 and callused solutions. Do not free addressable_vars.
950 Remove memory-tag related code.
951 (warn_uninitialized_var): Aliases are always available.
952 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
953 * lambda-code.c (can_put_in_inner_loop): Adjust.
954 (can_put_after_inner_loop): Likewise.
955 (perfect_nestify): Likewise.
956 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
957 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
958 (vectorizable_conversion): Do not mark symbols for renaming.
959 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
960 (expand_call_inline): Unlink the calls virtual operands before
961 replacing it.
962 (tree_function_versioning): Do not call update_ssa if we are not
963 updating clones. Simplify.
964 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
965 (propagate_with_phi): Likewise..
966 * tree-outof-ssa.c (create_temp): Remove memory tag and call
967 clobber code. Assert we are not aliased or global.
968 * tree-flow.h: Include tree-ssa-alias.h
969 (enum escape_type): Remove.
970 (struct mem_sym_stats_d): Likewise.
971 (struct mem_ref_stats_d): Likewise.
972 (struct gimple_df): Add vop member. Remove global_var,
973 call_clobbered_vars, call_used_vars, addressable_vars,
974 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
975 escaped and callused members.
976 (struct ptr_info_def): Remove all members, add points-to solution
977 member pt.
978 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
979 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
980 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
981 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
982 (tree-ssa-alias.o): Likewise.
983 (toplev.o): Add tree-ssa-alias.h
984 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
985 * gimple.c (gimple_set_bb): Fix off-by-one error.
986 (is_gimple_reg): Do not handle memory tags.
987 (gimple_copy): Also copy virtual operands.
988 Delay updating the statement. Do not reset loaded and stored syms.
989 (gimple_set_stored_syms): Remove.
990 (gimple_set_loaded_syms): Likewise.
991 (gimple_call_copy_skip_args): Copy the virtual operands
992 and mark the new statement modified.
993 * tree-ssa-structalias.c (may_alias_p): Remove.
994 (set_uids_in_ptset): Take the alias set to prune with as
995 parameter. Fold in the alias test of may_alias_p.
996 (compute_points_to_sets): Compute whether a ptr is dereferenced
997 in a local sbitmap.
998 (process_constraint): Deal with &ANYTHING on the lhs, reject all
999 other ADDRESSOF constraints on the lhs.
1000 (get_constraint_for_component_ref): Assert that we don't get
1001 ADDRESSOF constraints from the base of the reference.
1002 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1003 (struct variable_info): Remove collapsed_to member.
1004 (get_varinfo_fc): Remove.
1005 (new_var_info): Do not set collapsed_to.
1006 (dump_constraint): Do not follow cycles.
1007 (dump_constraint_graph): Likewise.
1008 (build_pred_graph): Likewise.
1009 (build_succ_graph): Likewise.
1010 (rewrite_constraints): Likewise.
1011 (do_simple_structure_copy): Remove.
1012 (do_rhs_deref_structure_copy): Remove.
1013 (do_lhs_deref_structure_copy): Remove.
1014 (collapse_rest_of_var): Remove.
1015 (do_structure_copy): Re-implement.
1016 (pta_stats): New global variable.
1017 (dump_pta_stats): New function.
1018 (struct constraint_expr): Make offset signed.
1019 (UNKNOWN_OFFSET): Define special value.
1020 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1021 (solution_set_expand): New helper function split out from ...
1022 (do_sd_constraint): ... here.
1023 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1024 (do_ds_constraint): Likewise.
1025 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1026 and CALLUSED = *CALLUSED.
1027 (set_union_with_increment): Make inc argument signed.
1028 (type_safe): Remove.
1029 (get_constraint_for_ptr_offset): Handle unknown and negative
1030 constant offsets.
1031 (first_vi_for_offset): Handle offsets before start. Bail
1032 out early for offsets beyond the variable extent.
1033 (first_or_preceding_vi_for_offset): New function.
1034 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1035 Together with ESCAPED = *ESCAPED this properly computes reachability.
1036 (find_what_var_points_to): New function.
1037 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1038 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1039 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1040 pt_solutions_intersect): New functions.
1041 (compute_call_used_vars): Remove.
1042 (compute_may_aliases): New main entry into PTA computation.
1043 * gimple.h (gimple_p): New typedef.
1044 (struct gimple_statement_base): Remove references_memory_p.
1045 (struct gimple_statement_with_memory_ops_base): Remove
1046 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1047 members.
1048 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1049 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1050 gimple_set_references_memory): Remove.
1051 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1052 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1053 New functions.
1054 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1055 (verify_expr): Allow RESULT_DECL.
1056 (gimple_duplicate_bb): Do not copy virtual operands.
1057 (gimple_duplicate_sese_region): Adjust.
1058 (gimple_duplicate_sese_tail): Likewise.
1059 (mark_virtual_ops_in_region): Remove.
1060 (move_sese_region_to_fn): Do not call it.
1061 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1062 and pass_simple_dse.
1063 (execute_function_todo): Handle TODO_update_address_taken,
1064 call execute_update_addresses_taken for TODO_rebuild_alias.
1065 (execute_todo): Adjust.
1066 (execute_one_pass): Init dump files early.
1067 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1068 call-clobbered.
1069 (create_general_new_stmt): Clear vops.
1070 * tree-ssa-reassoc.c (get_rank): Adjust.
1071 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1072 symbols for renaming.
1073 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1074 (PARAM_AVG_ALIASED_VOPS): Likewise.
1075 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1076 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1077 * tree-ssa-operands.c: Simplify for new virtual operand
1078 representation.
1079 (operand_build_cmp, copy_virtual_operands,
1080 create_ssa_artificial_load_stmt, add_to_addressable_set,
1081 gimple_add_to_addresses_taken): Remove public functions.
1082 (unlink_stmt_vdef): New function.
1084 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1086 * config.gcc (powerpc-*-linux*): Merge variants.
1088 2009-04-02 Chao-ying Fu <fu@mips.com>
1089 James Grosbach <james.grosbach@microchip.com>
1091 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1092 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1093 cop0_sp_offset.
1094 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1095 keep_interrupts_masked_p, use_debug_exception_return_p.
1096 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1097 keep_interrupts_masked, use_debug_exception_return.
1098 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1099 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1100 New functions.
1101 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1102 (mips_print_operand): Process COP0 registers to print $0 .. $31
1103 correctly for GAS to process.
1104 (mips_interrupt_extra_call_saved_reg_p): New function.
1105 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1106 extra registers.
1107 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1108 (mips_compute_frame_info): Add supports for interrupt context that
1109 includes doubleword accumulators and COP0 registers.
1110 (mips_for_each_saved_acc): New function.
1111 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1112 mips_for_each_saved_reg.
1113 (mips_save_reg): Save accumulators.
1114 (mips_kernel_reg_p): A new for_each_rtx callback.
1115 (mips_expand_prologue): Support interrupt handlers.
1116 (mips_restore_reg): Restore accumulators.
1117 (mips_expand_epilogue): Support interrupt handlers.
1118 (mips_can_use_return_insn): Return false for interrupt handlers.
1119 (mips_epilogue_uses): New function.
1120 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1121 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1122 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1123 cop0_move): New instructions.
1124 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1125 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1126 defines.
1127 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1128 New defines.
1129 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1130 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1131 interrupt handlers, we use K0 as the temporary register.
1132 (EPILOGUE_USES): Change to a function call.
1133 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1134 handlers, we use K0 as the temporary register.
1136 * doc/extend.texi (Function Attributes): Document interrupt,
1137 use_shadow_register_set, keep_interrupts_masked,
1138 use_debug_exception_return for MIPS attributes.
1140 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1142 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1143 Remove a number of t-files from tmake_file.
1144 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1145 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1146 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1147 target_prototype, not TARGET_PROTOTYPE.
1148 (LINK_OS_GNU_SPEC): Define.
1149 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1150 and darwin-ldoubdle.c.
1152 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1154 PR driver/39293
1155 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1156 (cpp_options): Ditto.
1157 (default_compilers): Ditto.
1158 (display_help): Ditto.
1159 (process_command): Ditto.
1160 (do_spec_1): Ditto.
1161 (set_input): Use lbasename instead of duplicate code.
1162 (save_temps_prefix): New static for -save-temps=obj.
1163 (save_temps_length): Ditto.
1165 * doc/invoke.texi (-save-temps=obj): Document new variant to
1166 -save-temps switch.
1168 2009-04-02 Jeff Law <law@redhat.com>
1170 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1171 variable.
1173 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1175 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1176 * configure: Regenerated.
1178 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1180 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1181 share the argument list.
1183 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1185 Merge
1187 2009-02-12 Diego Novillo <dnovillo@google.com>
1189 * varpool.c (debug_varpool): New.
1190 * cgraph.h (debug_varpool): Declare.
1192 2009-04-02 Jan Hubicka <jh@suse.cz>
1194 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1195 pass.
1197 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1199 * config/i386/i386.c (ix86_abi): Move initialization to ...
1200 (override_options): Here.
1202 2009-04-02 Christian Bruel <christian.bruel@st.com>
1204 * config/sh/sh.c (sh_dwarf_register_span): New function.
1205 (TARGET_DWARF_REGISTER_SPAN): Define.
1206 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1208 2009-04-02 Ira Rosen <irar@il.ibm.com>
1210 PR tree-optimization/39595
1211 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1212 interleaved loads group is not greater than the SLP group size.
1214 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1216 * builtins.c (is_builtin_name): New.
1217 (called_as_built_in): Use is_builtin_name.
1218 * tree.h (is_builtin_name): New.
1219 * varasm.c (incorporeal_function_p): Use is_builtin_name
1221 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1223 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1225 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1227 PR c++/26693
1228 * c-decl.c: (clone_underlying_type): Move this ...
1229 * c-common.c (set_underlying_type): ... here.
1230 Also, make sure the function properly sets TYPE_STUB_DECL() on
1231 the newly created typedef variant type.
1232 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1233 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
1235 2009-04-02 Richard Guenther <rguenther@suse.de>
1237 PR tree-optimization/37221
1238 * tree-flow.h (degenerate_phi_result): Declare.
1239 * tree-ssa-dom.c (degenerate_phi_result): Export.
1240 * tree-scalar-evolution.c (analyze_initial_condition): If
1241 the initial condition is defined by a degenerate PHI node
1242 use the degenerate value.
1244 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1246 PR rtl-optimization/39588
1247 * combine.c (merge_outer_ops): Do not set the constant when this
1248 is not necessary.
1249 (simplify_shift_const_1): Do not modify it either in this case.
1251 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1253 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1254 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1256 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1258 PR c/29027
1259 * c-lex.c (interpret_float): Default (no suffix) is double.
1261 2009-04-1 Xinliang David Li <davidxl@google.com>
1263 * config/i386/i386.c (legitimate_constant_p): Recognize
1264 all one vector constant.
1266 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1268 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1269 Change #include order to silence two warnings.
1271 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1273 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1274 (ASM_SPEC): Pass -k to the assembler for PIC code.
1276 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1278 * gcc/config.gcc: Add vax-*-linux* to the switch.
1279 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1280 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1282 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1284 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1285 Use predicate macros instead of GET_CODE() == foo.
1286 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1287 ashlsi3, rotrsi3, <unnamed>): Likewise.
1289 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1291 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1292 jbbccihi, jbbccisi): Remova trailing whitespace.
1293 * gcc/config/vax/constraints.md: Likewise.
1294 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1295 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1296 * gcc/config/vax/predicates.md: Likewise.
1297 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1298 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1299 * gcc/config/vax/vax.h: Likewise.
1300 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1302 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1304 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1305 (indirectable_address_p, adjacent_operands_p): Add spaces around
1306 braces.
1307 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1309 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1311 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1312 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1313 index_term_p, reg_plus_index_p, legitimate_address_p,
1314 vax_mode_dependent_address_p): Update comments to match functions
1315 modified by the recent int->bool conversion.
1317 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1319 * gcc/config/vax/builtins.md: Update copyright message.
1320 * gcc/config/vax/constraints.md: Likewise.
1321 * gcc/config/vax/netbsd-elf.h: Likewise.
1322 * gcc/config/vax/predicates.md: Likewise.
1323 * gcc/config/vax/vax-protos.h: Likewise.
1324 * gcc/config/vax/vax.c: Likewise.
1325 * gcc/config/vax/vax.h: Likewise.
1326 * gcc/config/vax/vax.md: Likewise.
1327 * gcc/config/vax/vax.opt: Likewise.
1329 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1331 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1332 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1333 * gcc/config/vax/constraints.md (B, R): Likewise.
1334 * gcc/config/vax/predicates.md (external_memory_operand,
1335 nonimmediate_addsub_di_operand): Likewise.
1336 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1337 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1338 untyped_call): Likewise.
1340 2009-04-01 Matt Thomas <matt@3am-software.com>
1342 * config/vax/predicates.md: New file. (symbolic_operand,
1343 local_symbolic_operand, external_symbolic_operand,
1344 external_const_operand, nonsymbolic_operand, external_memory_operand,
1345 indirect_memory_operand, indexed_memory_operand,
1346 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1347 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1348 predicate.
1349 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1350 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1351 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1352 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1353 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1354 * config/vax/vax.opt (mqmath): Add option.
1355 * config/vax/vax.md (isfx): Extend with DI.
1356 (VAXintQH, VAXintQHSD): Define.
1357 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1358 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1359 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1360 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1361 (movdi): Update constraints and use vax_output_int_move().
1362 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1363 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1364 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1365 nonlocal_goto): New.
1366 (mov<mode>): Extend accepted operand types.
1367 (subdi3_old): Rename from subdi3, change update constraints and use
1368 a new implementation.
1369 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1370 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1371 MOVE_RATIO, CLEAR_RATIO): Define.
1372 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1373 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1374 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1375 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1376 (split_quadword_operands): Make static and really allow variable
1377 splitting.
1378 (print_operand_address): Update for PIC generation.
1379 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1380 indexable_address_p, fixup_mathdi_operand,
1381 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1382 (vax_float_literal, legitimate_constant_p,
1383 indirectable_constant_address_p, index_term_p,
1384 reg_plus_index_p): Return bool instead of int.
1385 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1386 where needed.
1387 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1388 generation.
1389 (vax_output_conditional_branch): Indent.
1390 (legitimate_constant_address_p, indirectable_constant_address_p,
1391 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1392 vax_mode_dependent_address_p): Return bool instead of int, update for
1393 PIC generation.
1394 * config/vax/vax-protos.h (legitimate_constant_address_p,
1395 legitimate_constant_p, legitimate_address_p,
1396 vax_mode_dependent_address_p): Change declaration to bool.
1397 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1398 vax_expand_addsub_di_operands, vax_output_int_subtract,
1399 vax_output_movmemsi): Declare.
1400 (split_quadword_operands, vax_float_literal): Delete declaration.
1401 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1402 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1403 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1404 ASM_OUTPUT_DWARF_PCREL): Define.
1405 (ASM_SPEC): Change definition to allow PIC generation.
1407 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1409 PR target/39226
1410 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1411 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1412 (booldi3_internal3): Use boolean_or_operator instead of
1413 boolean_operator.
1415 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1417 PR c/39605
1418 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1419 declarator whose size is not an integer constant expression but
1420 folds to an integer constant, then treat it as a constant
1421 subsequently.
1423 2009-04-01 Richard Guenther <rguenther@suse.de>
1425 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1426 i * 4 + 2 to (i * 2 + 1) * 2.
1428 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1430 PR c/37772
1431 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1432 return if c_parser_asm_string_literal returned NULL.
1434 2009-04-01 Nick Clifton <nickc@redhat.com>
1436 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1437 already defined.
1438 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1439 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1440 other typedefs to avoid conflicts with libgcc2.c. Define labels
1441 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1442 include it.
1443 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1444 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1445 then include it.
1447 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1449 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1451 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1452 Andrey Galkin <agalkin@hypercom.com>
1454 PR/39492
1455 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1456 Make object_name unique for each process.
1458 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1460 PR other/39591
1461 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1462 addressable variables in the parallel that could go out of scope while
1463 running queued tasks.
1465 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1467 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1468 (CASE_VALUES_THRESHOLD): Redefine.
1469 * config/avr/avr.c (avr_override_options): Remove initialization of
1470 avr_case_values_threshold variable.
1471 (avr_case_values_threshold): Remove variable. Add new function.
1472 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1473 * config/avr/avr.opt (mno-tablejump): Remove option.
1474 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1476 2009-04-01 DJ Delorie <dj@redhat.com>
1478 * varasm.c (default_function_rodata_section): Don't assume
1479 anything about where the first '.' in the section name is.
1481 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1483 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1484 rs6000_emit_stack_tie.
1486 2009-03-31 Ian Lance Taylor <iant@google.com>
1488 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1489 gimple_code with GIMPLE_RESX, not RESX.
1491 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1493 * c-common.c (c_get_ident): New.
1494 (c_common_nodes_and_builtins): Call it for type names that may be
1495 NULL.
1497 2009-04-01 Ben Elliston <bje@au.ibm.com>
1499 * config/rs6000/sysv4.opt (msdata): Improve option description.
1501 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1503 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1504 (divdf3_internal_lat): Remove.
1505 (divxf3_internal_lat): Remove.
1506 (divxf3_internal_thr): Remove.
1507 (divxf): Use divxf3_internal.
1508 * config/ia64/div.md (divsf3_internal_lat): New.
1509 (divdf3_internal_lat): New.
1510 (divxf3_internal): New.
1512 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1514 PR c/448
1515 * Makefile.in (USE_GCC_STDINT): Define.
1516 (stmp-int-hdrs): Install stdint.h if applicable.
1517 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1518 if known.
1519 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1520 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1521 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1522 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1523 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1524 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1525 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1526 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1527 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1528 (c_common_nodes_and_builtins): Initialize
1529 underlying_wchar_type_node. Do not initialize
1530 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1531 nodes for new types.
1532 (c_stddef_cpp_builtins): Define macros for new types.
1533 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1534 Remove.
1535 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1536 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1537 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1538 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1539 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1540 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1541 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1542 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1543 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1544 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1545 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1546 int16_type_node, int32_type_node, int64_type_node,
1547 uint8_type_node, uint16_type_node, c_uint32_type_node,
1548 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1549 int_least32_type_node, int_least64_type_node,
1550 uint_least8_type_node, uint_least16_type_node,
1551 uint_least32_type_node, uint_least64_type_node,
1552 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1553 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1554 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1555 uintptr_type_node): Define.
1556 * c-cppbuiltin.c (builtin_define_constants,
1557 builtin_define_type_minmax): New.
1558 (builtin_define_stdint_macros): Define more macros.
1559 (c_cpp_builtins): Define more limit macros.
1560 (type_suffix): New.
1561 (builtin_define_type_max): Define in terms of
1562 builtin_define_type_minmax. Remove is_long parameter. All
1563 callers changed.
1564 * config.gcc (use_gcc_stdint): Define.
1565 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1566 Add newlib-stdint.h for generic targets.
1567 * config/glibc-stdint.h, config/newlib-stdint.h,
1568 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1569 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1570 * config/score/score.h (UINTPTR_TYPE): Define.
1571 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1572 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1573 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1574 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1575 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1576 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1577 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1578 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1579 * config/spu/spu.h (STDINT_LONG32): Define.
1580 * configure.ac (use_gcc_stdint): Substitute.
1581 * configure: Regenerate.
1582 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1583 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1584 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1585 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1586 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1587 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1588 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1589 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1590 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1591 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1592 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1593 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1594 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1595 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1596 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1597 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1598 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1599 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1600 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1601 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1602 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1603 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1604 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1605 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1606 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1607 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1608 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1609 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1610 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1612 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1614 * loop-iv.c (suitable_set_for_replacement): Renamed from
1615 simplify_using_assignment; changed to return bool and to accept new
1616 args DEST and SRC. Return true iff we find a source/destination pair
1617 that can be used to make a replacement, and fill SRC and DEST if so.
1618 Remove arg ALTERED. Don't deal with altered regs here. All callers
1619 changed.
1620 (simplify_using_initial_values): Deal with altered regs here and track
1621 more precisely the effect they have on the validity of our expression.
1623 * loop-iv.c (simplify_using_condition): A condition of the form
1624 (EQ REG CONST) can be used to simply make a substitution.
1625 (simplify_using_initial_values): Keep track of conditions we have seen
1626 and keep using them to simplify new expressions, while applying the
1627 same substitutions to them as to the expression.
1629 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1630 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1631 GEU/LTU reversed.
1633 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1634 changed. Use this when trying to improve the upper bound.
1635 Generate the comparison by using simplify_gen_relational.
1637 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1639 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1640 functions.
1641 (simplify_using_assignment, simplify_using_initial_values): Call
1642 replace_in_expr to make replacements. Call replace_single_def_regs
1643 once on the initial version of the expression.
1645 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1647 PR target/27237
1648 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1650 2009-03-31 Richard Guenther <rguenther@suse.de>
1652 PR middle-end/31029
1653 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1654 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1656 2009-03-31 Richard Guenther <rguenther@suse.de>
1658 * tree.h (div_if_zero_remainder): Declare.
1659 * fold-const.c (div_if_zero_remainder): Export.
1660 * tree-ssa-forwprop.c
1661 (forward_propagate_addr_into_variable_array_index): Handle
1662 constant array index addition outside of the variable index.
1664 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1666 PR target/39592
1667 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1668 define_splits, floatunssi<mode>2): Require x87 conversions from
1669 DImode to be permitted.
1671 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1673 PR preprocessor/15638
1674 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1676 2009-03-31 Richard Guenther <rguenther@suse.de>
1678 PR middle-end/23401
1679 PR middle-end/27810
1680 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1681 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1682 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1683 a separate statement.
1684 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1685 (lookup_tmp_var): Likewise.
1686 (is_gimple_formal_tmp_or_call_rhs): Remove.
1687 (is_gimple_reg_or_call_rhs): Rename to ...
1688 (is_gimple_reg_rhs_or_call): ... this.
1689 (is_gimple_mem_or_call_rhs): Rename to ...
1690 (is_gimple_mem_rhs_or_call): ... this.
1691 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1692 DECL_GIMPLE_REG_P only if is_formal is true.
1693 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1694 for non-proper post-modify expression gimplification.
1695 (gimplify_self_mod_expr): For post-modify expressions gimplify
1696 the lvalue to a minimal lvalue.
1697 (rhs_predicate_for): Remove formal temp case.
1698 (gimplify_modify_expr_rhs): Likewise.
1699 (gimplify_addr_expr): Use is_gimple_reg.
1700 (gimplify_expr): Remove formal temp cases.
1701 (gimple_regimplify_operands): Likewise.
1702 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1703 and FILTER_EXPR like constants.
1704 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1705 is_gimple_reg.
1706 (is_gimple_formal_tmp_rhs): Remove.
1707 (is_gimple_reg_rhs): Remove special casing.
1708 (is_gimple_mem_rhs): Fix.
1709 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1710 (is_gimple_formal_tmp_var): Remove.
1711 (is_gimple_formal_tmp_reg): Likewise.
1712 (is_gimple_min_lval): Allow invariant component ref parts.
1713 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1714 is_gimple_formal_tmp_reg): Remove declarations.
1715 * tree-cfg.c (verify_expr): Verify that variables with address
1716 taken do not have DECL_GIMPLE_REG_P set.
1717 * tree-mudflap.c (mf_build_check_statement_for): Use
1718 force_gimple_operand instead of gimplify_expr.
1720 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1722 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1723 schedulable rows to compute_split_row.
1725 2009-03-31 Ben Elliston <bje@au.ibm.com>
1727 PR target/31635
1728 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1729 OPT_mvrsave.
1731 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1733 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1734 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1735 * configure: Regenerate.
1736 * config.in: Regenerate.
1737 * config/rs6000/rs6000.opt (mtls-markers): Add.
1738 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1739 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1740 (tls_ld_aix, tls_ld_sysv): Likewise.
1741 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1742 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1744 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1746 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1748 2009-03-30 Jan Hubicka <jh@suse.cz>
1750 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1751 out of RESX.
1752 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1753 detection and label handling.
1755 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1757 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1758 left_conflicts_size.
1759 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1760 ALLOCNO_LEFT_CONFLICTS_SIZE.
1762 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1763 remove_allocno_from_bucket_and_push,
1764 allocno_spill_priority_compare, push_allocnos_to_stack,
1765 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1766 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1767 (setup_allocno_left_conflicts_num): Ditto. Rename to
1768 setup_allocno_left_conflicts_size.
1769 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1770 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1771 setup_allocno_left_conflicts_size instead of
1772 setup_allocno_left_conflicts_num.
1774 * ira-build.c (ira_create_allocno): Use
1775 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1776 ALLOCNO_LEFT_CONFLICTS_NUM.
1778 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1780 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1781 instead of DF_LR_OUT.
1783 * ira-lives.c (process_bb_node_lives): Ditto.
1785 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1786 instead of DF_LR_{OUT,IN}.
1788 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1790 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1792 2009-03-30 Jan Hubicka <jh@suse.cz>
1794 * except.c (label_to_region_map): Fix thinko.
1796 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1798 PR middle-end/38237
1799 * tree.h (tree_find_value): New declaration.
1800 * tree.c (tree_find_value): New function.
1801 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1803 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1805 PR debug/39563
1806 * c-decl.c (struct c_binding): Add locus field.
1807 (bind): Add locus argument, set locus field from it.
1808 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1809 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1810 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1811 implicitly_declare, undeclared_variable, lookup_label,
1812 declare_label, c_make_fname_decl, c_builtin_function,
1813 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1814 bind callers.
1816 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1818 PR target/38781
1819 * config/i386/i386.c (classify_argument): Check total size of
1820 structure.
1822 2009-03-30 Martin Jambor <mjambor@suse.cz>
1824 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1825 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1826 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1827 respectively.
1829 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1830 seen_variable_array_ref while also traversing a union.
1832 * tree-inline.c (optimize_inline_calls): Do not call
1833 cgraph_node_remove_callees.
1834 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1835 (pass_remove_cgraph_callee_edges): New variable.
1836 * passes.c (init_optimization_passes): Add
1837 pass_remove_cgraph_callee_edges after early inlining and before all
1838 late intraprocedural passes.
1840 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1842 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1844 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1845 Fix typos in names.
1847 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1849 * combine.c (simplify_comparison): Use have_insn_for.
1850 * dojump.c (do_jump): Likewise.
1852 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1854 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1855 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1856 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1857 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1858 instead of sparc_compare_emitted.
1859 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1860 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1861 instead of sparc_compare_emitted.
1863 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1865 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1866 enter/exit cfglayout mode.
1867 (pass_partition_block): Require it.
1868 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1869 (combine_instructions): Track basic blocks instead of labels.
1870 (update_cfg_for_uncondjump): New.
1871 (try_combine): Use it. Update jumps after rescanning.
1872 (pass_combine): Require PROP_cfglayout.
1873 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1875 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1877 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1878 Provide/destroy PROP_cfglayout respectively.
1879 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1880 * tree-pass.h (PROP_cfglayout): New.
1882 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1884 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1885 fold_convert_const_fixed_from_fixed,
1886 fold_convert_const_fixed_from_int,
1887 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1888 set TREE_CONSTANT_OVERFLOW.
1889 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1890 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1892 2009-03-30 Ira Rosen <irar@il.ibm.com>
1894 * tree-vect-loop-manip.c: New file.
1895 * tree-vectorizer.c: Update documentation and included files.
1896 (vect_loop_location): Make extern.
1897 (rename_use_op): Move to tree-vect-loop-manip.c
1898 (rename_variables_in_bb, rename_variables_in_loop,
1899 slpeel_update_phis_for_duplicate_loop,
1900 slpeel_update_phi_nodes_for_guard1,
1901 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1902 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1903 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1904 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1905 find_loop_location): Likewise.
1906 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1907 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1908 get_vectype_for_scalar_type, vect_is_simple_use,
1909 supportable_widening_operation, supportable_narrowing_operation):
1910 Likewise.
1911 (bb_in_loop_p): Move to tree-vect-loop.c.
1912 (new_loop_vec_info, destroy_loop_vec_info,
1913 reduction_code_for_scalar_code, report_vect_op,
1914 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1915 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1916 (vect_supportable_dr_alignment): Likewise.
1917 * tree-vectorizer.h (tree-data-ref.h): Include.
1918 (vect_loop_location): Declare.
1919 Reorganize function declarations according to the new file structure.
1920 * tree-vect-loop.c: New file.
1921 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1922 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1923 * tree-vect-data-refs.c: New file.
1924 * tree-vect-patterns.c (timevar.h): Don't include.
1925 * tree-vect-stmts.c: New file.
1926 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1927 tree-vect-slp.c, tree-vect-loop.c.
1928 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1929 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1930 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1931 (tree-vect-analyze.o): Remove.
1932 (tree-vect-transform.o): Likewise.
1933 (tree-vect-data-refs.o): Add rule.
1934 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1935 tree-vect-slp.o): Likewise.
1936 (tree-vect-patterns.o): Remove redundant dependencies.
1937 (tree-vectorizer.o): Likewise.
1938 * tree-vect-slp.c: New file.
1940 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1942 * optc-gen.awk: Warn if an option flag has multiple different
1943 help strings.
1945 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1947 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1948 -floop-block): Document dependences on PPL, CLooG and Graphite.
1950 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1952 PR rtl-optimization/323
1953 * c-common.c (c_fully_fold, convert_and_check,
1954 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1955 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1956 * c-common.def (EXCESS_PRECISION_EXPR): New.
1957 * c-cppbuiltin.c (builtin_define_float_constants): Define
1958 constants with enough digits for long double.
1959 * c-lex.c (interpret_float): Interpret constant with excess
1960 precision where appropriate.
1961 * c-opts.c (c_common_post_options): Set
1962 flag_excess_precision_cmdline. Give an error for
1963 -fexcess-precision=standard for C++ for processors where the
1964 option is significant.
1965 * c-parser.c (c_parser_conditional_expression): Handle excess
1966 precision in condition.
1967 * c-typeck.c (convert_arguments): Handle arguments with excess
1968 precision.
1969 (build_unary_op): Move excess precision outside operation.
1970 (build_conditional_expr): Likewise.
1971 (build_compound_expr): Likewise.
1972 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1973 (build_modify_expr): Handle excess precision in RHS.
1974 (convert_for_assignment): Handle excess precision in converted
1975 value.
1976 (digest_init, output_init_element, process_init_element): Handle
1977 excess precision in initializer.
1978 (c_finish_return): Handle excess precision in return value.
1979 (build_binary_op): Handle excess precision in operands and add
1980 excess precision as needed for operation.
1981 * common.opt (-fexcess-precision=): New option.
1982 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1983 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1984 For standard excess precision, output explicit conversion to and
1985 truncation from XFmode.
1986 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1987 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1988 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1989 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1990 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1991 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1992 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1993 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1994 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1995 define_splits, sqrt<mode>2): Disable where appropriate for
1996 standard excess precision.
1997 * convert.c (convert_to_real): Do not shorten arithmetic to type
1998 for which excess precision would be used.
1999 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2000 * doc/invoke.texi (-fexcess-precision=): Document option.
2001 (-mfpmath=): Correct index entry.
2002 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2003 flag_excess_precision): New.
2004 * langhooks.c (lhd_post_options): Set
2005 flag_excess_precision_cmdline.
2006 * opts.c (common_handle_option): Handle -fexcess-precision=.
2007 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2008 init_excess_precision): New.
2009 (lang_dependent_init_target): Call init_excess_precision.
2010 * tree.c (excess_precision_type): New.
2011 * tree.h (excess_precision_type): Declare.
2013 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2015 PR c/35235
2016 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2017 non-lvalue to component.
2019 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2021 PR preprocessor/34695
2022 * Makefile.in (c-opts.o): Depend on c-tree.h.
2023 * c-common.c: Move down include of diagnostic.h.
2024 (done_lexing, c_cpp_error): New.
2025 * c-common.h (done_lexing): Declare.
2026 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2027 (parse_in).
2028 * c-opts.c: Include c-tree.h.
2029 (c_common_init_options): Set preprocessor error callback.
2030 (c_common_handle_option): Do not set preprocessor
2031 inhibit_warnings, warnings_are_errors, warn_system_headers,
2032 pedantic_errors or inhibit_warnings flags.
2033 (c_common_post_options): Do not check cpp_errors (parse_in).
2034 (c_common_finish): Do not output dependencies if there were
2035 errors. Do not check return value of cpp_finish.
2036 * c-ppoutput.c (pp_file_change): Set input_location.
2037 * c-tree.h (c_cpp_error): Declare.
2038 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2039 override_column.
2040 (diagnostic_build_prefix): Check override_column.
2041 * diagnostic.h (diagnostic_info): Add override_column field.
2042 (diagnostic_override_column): Define.
2044 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2046 * c-common.c (c_expand_expr, c_staticp): Remove.
2047 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2048 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2049 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2050 * c-gimplify.c (gimplify_compound_literal_expr,
2051 optimize_compound_literals_in_ctor): Remove.
2052 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2053 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2054 * c-semantics.c (emit_local_var): Remove.
2056 * langhooks-def.h (lhd_expand_expr): Remove.
2057 * langhooks.c (lhd_expand_expr): Remove.
2058 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2060 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2061 handling from c-semantics.c; don't call into langhook.
2062 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2063 * gimplify.c (gimplify_compound_literal_expr,
2064 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2065 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2066 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2067 as was done in c-gimplify.c.
2068 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2069 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2070 Move from c-common.h.
2071 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2073 * tree.c (staticp): Do not call langhook.
2074 * langhooks.c (lhd_staticp): Delete.
2075 * langhooks-def.h (lhd_staticp): Delete prototype.
2076 (LANG_HOOKS_STATICP): Delete.
2077 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2079 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2080 instead of DECL_STMTs.
2082 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2084 PR c/456
2085 PR c/5675
2086 PR c/19976
2087 PR c/29116
2088 PR c/31871
2089 PR c/35198
2090 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2091 void_type_node.
2092 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2093 contained expression.
2094 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2095 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2096 conditional expressions for C.
2097 (decl_constant_value_for_optimization): Move from
2098 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2099 whether optimizing and that the expression is a VAR_DECL not of
2100 array type instead of doing such checks in the caller. Do not
2101 check pedantic. Call gcc_unreachable for C++.
2102 * c-common.def (C_MAYBE_CONST_EXPR): New.
2103 * c-common.h (c_fully_fold, c_save_expr,
2104 decl_constant_value_for_optimization): New prototypes.
2105 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2106 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2107 EXPR_INT_CONST_OPERANDS): Define.
2108 * c-convert.c (convert): Strip nops from expression.
2109 * c-decl.c (groktypename): Take extra parameters expr and
2110 expr_const_operands. Update call to grokdeclarator.
2111 (start_decl): Update call to grokdeclarator. Add statement for
2112 expressions used in type of decl.
2113 (grokparm): Update call to grokdeclarator.
2114 (push_parm_decl): Update call to grokdeclarator.
2115 (build_compound_literal): Add parameter non_const and build a
2116 C_MAYBE_COSNT_EXPR if applicable.
2117 (grokdeclarator): Take extra parameters expr and
2118 expr_const_operands. Track expressions used in declaration
2119 specifiers and declarators. Fold array sizes and track whether
2120 they are constant expressions and whether they are integer
2121 constant expressions.
2122 (parser_xref_tag): Set expr and expr_const_operands fields in
2123 return value.
2124 (grokfield): Update call to grokdeclarator.
2125 (start_function): Update call to grokdeclarator.
2126 (build_null_declspecs): Set expr and expr_const_operands fields in
2127 return value.
2128 (declspecs_add_type): Handle expressions in typeof specifiers.
2129 * c-parser.c (c_parser_declspecs): Set expr and
2130 expr_const_operands fields for declaration specifiers.
2131 (c_parser_enum_specifier): Likewise.
2132 (c_parser_struct_or_union_specifier): Likewise.
2133 (c_parser_typeof_specifier): Likewise. Update call to
2134 groktypename. Fold expression as needed. Return expressions with
2135 type instead of adding statements.
2136 (c_parser_attributes): Update calls to c_parser_expr_list.
2137 (c_parser_statement_after_labels): Fold expression before passing
2138 to objc_build_throw_stmt.
2139 (c_parser_condition): Fold expression.
2140 (c_parser_asm_operands): Fold expression.
2141 (c_parser_conditional_expression): Use c_save_expr. Update call
2142 to build_conditional_expr.
2143 (c_parser_alignof_expression): Update call to groktypename.
2144 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2145 original_code. Fold expression argument of va_arg. Create
2146 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2147 argument to va_arg. Update calls to groktypename. Fold array
2148 index for offsetof. Verify that first argument to
2149 __builtin_choose_expr has integer type.
2150 (c_parser_postfix_expression_after_paren_type): Update calls to
2151 groktypename and build_compound_literal. Handle expressions with
2152 side effects in type name.
2153 (c_parser_postfix_expression_after_primary): Update call to
2154 c_parser_expr_list. Set original_code for calls to
2155 __builtin_constant_p.
2156 (c_parser_expr_list): Take extra parameter fold_p. Fold
2157 expressions if requested.
2158 (c_parser_objc_type_name): Update call to groktypename.
2159 (c_parser_objc_synchronized_statement): Fold expression.
2160 (c_parser_objc_receiver): Fold expression.
2161 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2162 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2163 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2164 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2165 (struct c_typespec): Add elements expr and expr_const_operands.
2166 (struct c_declspecs): Add elements expr and expr_const_operands.
2167 (groktypename, build_conditional_expr, build_compound_literal):
2168 Update prototypes.
2169 (in_late_binary_op): Declare.
2170 * c-typeck.c (note_integer_operands): New function.
2171 (in_late_binary_op): New variable.
2172 (decl_constant_value_for_broken_optimization): Move to c-common.c
2173 and rename to decl_constant_value_for_optimization.
2174 (default_function_array_conversion): Do not strip nops.
2175 (default_conversion): Do not call
2176 decl_constant_value_for_broken_optimization.
2177 (build_array_ref): Do not fold result.
2178 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2179 result when operand is a VLA.
2180 (c_expr_sizeof_type): Update call to groktypename. Handle
2181 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2182 result when operand names a VLA type.
2183 (build_function_call): Update call to build_compound_literal.
2184 Only fold result for calls to __builtin_* functions. Strip
2185 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2186 the function designator.
2187 (convert_arguments): Fold arguments. Update call to
2188 convert_for_assignment.
2189 (build_unary_op): Handle increment and decrement of
2190 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2191 decrement earlier. Fold operand of increment and decrement.
2192 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2193 built for integer operand. Wrap returns that are INTEGER_CSTs
2194 without being integer constant expressions or that have integer
2195 constant operands without being INTEGER_CSTs.
2196 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2197 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2198 result is an integer constant expression or can be used in
2199 unevaluated parts of one and avoid folding and wrap as
2200 appropriate. Fold operands before possibly doing -Wsign-compare
2201 warnings.
2202 (build_compound_expr): Wrap result for C99 if operands can be used
2203 in integer constant expressions.
2204 (build_c_cast): Update call to digest_init. Do not ignore
2205 overflow from casting floating-point constants to integers. Wrap
2206 results that could be confused with integer constant expressions,
2207 null pointer constants or floating-point constants.
2208 (c_cast_expr): Update call to groktypename. Handle expressions
2209 included in type name.
2210 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2211 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2212 Update calls to convert_for_assignment.
2213 (convert_for_assignment): Take new parameter
2214 null_pointer_constant. Do not strip nops or call
2215 decl_constant_value_for_broken_optimization. Set
2216 in_late_binary_op for conversions to boolean.
2217 (store_init_value): Update call to digest_init.
2218 (digest_init): Take new parameter null_pointer_constant. Do not
2219 call decl_constant_value_for_broken_optimization. pedwarn for
2220 initializers not constant expressions. Update calls to
2221 convert_for_assignment.
2222 (constructor_nonconst): New.
2223 (struct constructor_stack): Add nonconst element.
2224 (really_start_incremental_init, push_init_level, pop_init_level):
2225 Handle constructor_nonconst and nonconst element.
2226 (set_init_index): Call constant_expression_warning for array
2227 designators.
2228 (output_init_element): Fold value. Set constructor_nonconst as
2229 applicable. pedwarn for initializers not constant expressions.
2230 Update call to digest_init. Call constant_expression_warning
2231 where constant initializers are required.
2232 (process_init_element): Use c_save_expr.
2233 (c_finish_goto_ptr): Fold expression.
2234 (c_finish_return): Fold return value. Update call to
2235 convert_for_assignment.
2236 (c_start_case): Fold switch expression.
2237 (c_process_expr_stmt): Fold expression.
2238 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2239 ensure statement expression is not evaluated in constant expression.
2240 (build_binary_op): Track whether results are integer constant
2241 expressions or may occur in such, disable folding and wrap results
2242 as applicable. Fold operands for -Wsign-compare warnings unless
2243 in_late_binary_op.
2244 (c_objc_common_truthvalue_conversion): Handle results folded to
2245 integer constants that are not integer constant expressions.
2246 * doc/extend.texi: Document when typeof operands are evaluated,
2247 that condition of __builtin_choose_expr is an integer constant
2248 expression, and more about use of __builtin_constant_p in
2249 initializers.
2251 2009-03-29 Richard Guenther <rguenther@suse.de>
2253 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2254 propagate addresses of array references.
2256 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2258 * regmove.c (perhaps_ends_bb_p): Remove.
2259 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2260 from INSN and check that the main loop stays within that basic block.
2261 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2262 (regmove_forward_pass): Split out from regmove_optimize. Use
2263 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2264 (regmove_backward_pass): Split out from regmove_optimize. Use
2265 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2266 (regmove_optimize): Simplify.
2268 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2270 PR target/39545
2271 * config/i386/i386.c (classify_argument): Ignore flexible array
2272 member in struct and warn ABI change.
2274 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2276 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2278 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2279 (ix86_adjust_cost): Updated.
2281 2009-03-29 Jan Hubicka <jh@suse.cz>
2283 PR middle-end/28850
2284 * tree-pass.h (pass_cleanup_eh): New function.
2285 (remove_unreachable_regions): Break code handling RTL
2286 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2287 that can not be reached by runtime.
2288 (can_be_reached_by_runtime): New function.
2289 (label_to_region_map): New function.
2290 (num_eh_regions): New function.
2291 (rtl_remove_unreachable_regions): New function.
2292 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2293 (remove_eh_region): New function.
2294 * except.h: Include sbitmap and vecprim.
2295 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2296 num_eh_regions): Declare.
2297 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2298 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2299 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2300 (tree_empty_eh_handler_p): New function.
2301 (cleanup_empty_eh): New function.
2302 (cleanup_eh): New function.
2303 (pass_cleanup_eh): New function.
2305 2009-03-29 Jan Hubicka <jh@suse.cz>
2307 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2308 for removed regions.
2310 2009-03-29 Jan Hubicka <jh@suse.cz>
2312 * except.c (dump_eh_tree): Dump all datastructures.
2314 2009-03-29 Jan Hubicka <jh@suse.cz>
2316 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2317 (duplicate_eh_regions_1): Likewise.
2318 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2319 vector; call EH verification.
2320 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2321 Be ready for region being removed.
2323 2009-03-29 Jan Hubicka <jh@suse.cz>
2325 * bitmap.c (bitmap_last_set_bit): New function.
2326 * bitmap.h (bitmap_last_set_bit): Declare.
2328 2009-03-29 David Ayers <ayers@fsfe.org>
2330 PR objc/27377
2331 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2332 by calling objc_compare_types and surpress warnings about
2333 incompatible C pointers that are compatible ObjC pointers.
2335 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2337 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2338 call initialize_inline_failed.
2339 (initialize_inline_failed): Move it from here ...
2340 * cgraph.c (initialize_inline_failed): ... to here.
2341 (cgraph_create_edge): Call initialize_inline_failed rather than
2342 setting inline_failed directly.
2344 2009-03-29 Ben Elliston <bje@au.ibm.com>
2346 PR target/32542
2347 * sysv4.opt (msdata): Improve comment.
2348 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2349 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2351 2009-03-29 Ben Elliston <bje@au.ibm.com>
2353 PR target/30451
2354 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2355 load and store attributes.
2357 2009-03-29 Ben Elliston <bje@au.ibm.com>
2359 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2360 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2361 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2362 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2363 __builtin_infq and __builtin_huge_valq.
2365 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2367 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2368 atmega8m1 devices.
2369 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2370 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2372 2009-03-28 Xinliang David Li <davidxl@google.com>
2374 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2375 (do_dbg_cnt): New function.
2377 2009-03-28 Jan Hubicka <jh@suse.cz>
2379 Merge from pretty-ipa:
2381 2009-03-27 Jan Hubicka <jh@suse.cz>
2383 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2384 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2385 * passes.c (function_called_by_processed_nodes_p): New.
2386 * ipa-pure-const.c (check_call): Fix handling of operands.
2387 (analyze_function): Dump debug output for skipped bodies.
2388 (local_pure_const): Use function_called_by_processed_nodes_p.
2389 * dwarf2out.c (reference_to_unused): Use output.
2390 * passes.c (do_per_function_toporder): Likewise.
2392 2008-11-12 Jan Hubicka <jh@suse.cz>
2394 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2395 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2396 state_set_in_source enum
2397 (check_decl): Ignore memory tags; do not set fake looping flags;
2398 dump diagnostics.
2399 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2400 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2401 (check_call, analyze_function): Rewrite.
2402 (check_stmt): New.
2403 (add_new_function): Update call of analyze_function.
2404 (generate_summary): Add call of analyze_function.
2405 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2406 (local_pure_const): New function.
2407 (pass_local_pure_const): New pass.
2408 * ipa-inline.c (inline_transform): Set after_inlining.
2409 * tree-eh.c (stmt_can_throw_external): New.
2410 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2411 work with aliasing built.
2412 * tree-flow.h (stmt_can_throw_external): New.
2413 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2414 and local pure/const pass in early and late optimization queue.
2416 2009-03-28 Martin Jambor <mjambor@suse.cz>
2418 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2419 allow_func_align.
2420 (fold_binary): Allow function decl aligment consideration is the
2421 second argument is integer constant one.
2422 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2423 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2424 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2426 2009-03-28 Jan Hubicka <jh@suse.cz>
2428 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2429 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2430 * function.h (rtl_data): Add nothrow flag.
2431 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2432 set DECL_NOTHROW for AVAILABLE functions.
2434 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2436 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2437 following vector keyword has expansion starting with pixel or bool
2438 keyword, expand vector to __vector and pixel or bool to __pixel or
2439 __bool.
2441 PR c++/39554
2442 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2443 warn_if_disallowed_function_p): Removed.
2444 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2445 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2446 warning_if_disallowed_function_p.
2447 * flags.h (warn_if_disallowed_function_p,
2448 warn_disallowed_functions): Removed.
2449 * common.opt (Wdisallowed-function-list=): Removed.
2450 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2452 2009-03-28 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/38723
2455 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2456 the entry block.
2458 2009-03-28 Jan Hubicka <jh@suse.cz>
2460 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2461 test introduced by my previous patch.
2463 2009-03-28 Richard Guenther <rguenther@suse.de>
2465 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2466 the PHIs value undefined.
2468 2009-03-28 Jan Hubicka <jh@suse.cz>
2470 * tree-pass.h (pass_fixup_cfg): New pass.
2471 * ipa-inline.c (inline_transform): Set
2472 always_inline_functions_inlined/after_inlining.
2473 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2474 (pass_fixup_cfg): New pass.
2475 * passes.c (init_optimization_passes): Add fixup_cfg.
2477 2009-03-28 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/38458
2480 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2481 argument use the arguments copy-of value.
2483 2009-03-28 Richard Guenther <rguenther@suse.de>
2485 PR tree-optimization/38180
2486 * tree-ssa-ccp.c (get_default_value): Simplify.
2487 (likely_value): Likewise.
2488 (surely_varying_stmt_p): Properly handle VOP case.
2489 (ccp_initialize): Likewise.
2490 (ccp_fold): Handle propagating through *&.
2491 (fold_const_aggregate_ref): Also handle decls.
2493 2009-03-28 Jan Hubicka <jh@suse.cz>
2495 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2496 * cgraph.h (cgraph_node): Likewise.
2497 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2498 (cgraph_reset_node): Use process flag.
2499 (cgraph_mark_functions_to_output): Likewise.
2500 (cgraph_expand_function): Likewise.
2501 (cgraph_expand_all_functions): Likewise.
2502 (cgraph_output_in_order): Likewise.
2503 * dwarf2out.c (reference_to_unused): Likewise.
2504 * passes.c do_per_function_toporder): Likewise.
2506 2009-03-28 Jan Hubicka <jh@suse.cz>
2508 Bring from lto-branch:
2510 2008-09-03 Doug Kwan <dougkwan@google.com>
2512 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2513 enums instead of reason strings.
2514 * cgraph.c (cgraph_create_edge): Same.
2515 (cgraph_inline_failed_string): New function.
2516 * cgraph.h (cgraph_inline_failed_t): New enum type.
2517 (cgraph_inline_failed_string): New prototype.
2518 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2519 char pointer to cgraph_inline_failed_t.
2520 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2521 (cgraph_default_inline_p): Ditto.
2522 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2523 to cgraph_inline_failed_t pointer.
2524 * cif-code.def: New file.
2525 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2526 reason string.
2527 (cgraph_check_inline_limits): Change type of REASON to pointer to
2528 cgraph_inline_failed_t. Replace reason strings with enums.
2529 (cgraph_default_inline_p): Ditto.
2530 (cgraph_recursive_inlining_p): Ditto.
2531 (update_caller_keys): Change type of FAILED_REASON to
2532 cgraph_inline_failed_t.
2533 (cgraph_set_inline_failed): Change type of REASON to pointer to
2534 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2535 convert enums to strings for text output.
2536 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2537 to be of type cgraph_inline_failed_t. Replace reason strings with
2538 enums. Call cgraph_inline_failed_string to covert enums
2539 to strings for text output.
2540 (cgraph_decide_inlining): Replace reason strings with enums.
2541 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2542 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2543 for text output.
2544 * tree-inline.c (expand_call_inline): Change type of REASON
2545 to cgraph_inline_failed_t. Replace reason strings with enums.
2546 Call cgraph_inline_failed_string for text output.
2547 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2548 (cgraph.o): Ditto.
2550 2009-03-28 Jan Hubicka <jh@suse.cz>
2552 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2553 cgraph_clone_node): Remove master clone handling.
2554 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2555 * cgraph.h (master_clone): Remove.
2556 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2557 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2558 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2560 2009-03-28 Jan Hubicka <jh@suse.cz>
2562 * cgraph.c (cgraph_function_body_availability): Functions declared
2563 inline are always safe to assume that it is not going to be replaced.
2565 2009-03-28 Richard Guenther <rguenther@suse.de>
2567 PR tree-optimization/38513
2568 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2569 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2570 EXC_PTR_EXPR and FILTER_EXPR.
2571 (get_ref_from_reference_ops): Likewise.
2573 2009-03-28 Richard Guenther <rguenther@suse.de>
2575 PR tree-optimization/38968
2576 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2577 Use FLOOR_MOD_EXPR to compute misalignment.
2579 2009-03-28 Richard Guenther <rguenther@suse.de>
2581 PR tree-optimization/37795
2582 * tree.h (combine_comparisons): Declare.
2583 * fold-const.c (combine_comparisons): Export.
2584 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2585 comparisons.
2586 (ifcombine_iforif): Use combine_comparisons.
2588 2009-03-28 Jan Hubicka <jh@suse.cz>
2590 * tree-eh.c (inlinable_call_p): New function.
2591 (make_eh_edges): Use it.
2592 (verify_eh_edges): Use it.
2593 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2594 * except.c (reachable_next_level): Add inlinable_function argument
2595 (sjlj_find_directly_reachable_regions): Update.
2596 (add_reachable_handler): Do not set saw_any_handlers.
2597 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2598 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2599 Add new inlinable call parameter.
2600 (can_throw_internal, can_throw_external): Update.
2601 * except.h (can_throw_internal_1, can_throw_external_1,
2602 foreach_reachable_handler): Update declaration.
2604 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2606 * config/arm/t-arm-coff, config/h8300/coff.h,
2607 config/i386/i386-aout.h, config/i386/i386-coff.h,
2608 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2609 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2610 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2611 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2612 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2613 sys-types.h: Remove.
2614 * Makefile.in: Remove protoize and fixproto support and references
2615 in comments.
2616 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2617 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2618 Remove.
2619 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2620 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2621 unprotoize$(exeext).
2622 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2623 (.PHONY): Don't depend on proto.
2624 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2625 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2626 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2627 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2628 build/gen-protos.o, build/scan.o, xsys-protos.h,
2629 build/fix-header$(build_exeext), build/fix-header.o,
2630 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2631 stmp-install-fixproto): Remove.
2632 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2633 SYSCALLS.c or fixproto files.
2634 (install-common): Don't install protoize.
2635 (install-headers-tar, install-headers-cpio, install-headers-cp):
2636 Don't depend on $(STMP_FIXPROTO).
2637 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2638 install fixproto files or write out fixproto settings.
2639 (uninstall): Don't uninstall protoize.
2640 * config.gcc (use_fixproto): Remove.
2641 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2642 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2643 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2644 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2645 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2646 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2647 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2648 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2649 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2650 * config/t-vxworks (STMP_FIXPROTO): Remove.
2651 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2652 STMP_FIXPROTO): Remove.
2653 * config.in, configure: Regenerate.
2654 * crtstuff.c (gid_t, uid_t): Don't undefine.
2655 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2656 (arm-*-coff, arm-*-aout: Remove target entries.
2657 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2658 Remove mention of AIX 4.1.
2659 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2660 * doc/invoke.texi (Running Protoize): Remove.
2661 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2662 (Protoize Caveats): Remove.
2663 * tsystem.h: Update comments on headers assumed to exist.
2665 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2667 * genautomata.c: Add a new year to the copyright. Add a new
2668 reference.
2669 (struct insn_reserv_decl): Add comments for member bypass_list.
2670 (find_bypass): Remove.
2671 (insert_bypass): New.
2672 (process_decls): Use insert_bypass.
2673 (output_internal_insn_latency_func): Output all bypasses with the
2674 same input insn in one switch case.
2676 * rtl.def (define_bypass): Describe bypass choice.
2677 * doc/md.texi (define_bypass): Ditto.
2679 2009-03-27 Richard Guenther <rguenther@suse.de>
2681 * gimplify.c (mark_addressable): Export.
2682 * tree-flow.h (mark_addressable): Declare.
2683 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2684 * tree-ssa.c (verify_phi_args): Verify that address taken
2685 variables have TREE_ADDRESSABLE set.
2687 2009-03-27 Richard Guenther <rguenther@suse.de>
2689 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2690 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2691 Do not mark decls TREE_ADDRESSABLE.
2692 (build_fold_addr_expr): Adjust.
2693 (fold_addr_expr): Remove.
2694 (fold_unary): Use build_fold_addr_expr.
2695 (fold_comparison): Likewise.
2696 (split_address_to_core_and_offset): Likewise.
2697 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2698 TREE_ADDRESSABLE.
2699 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2700 (gimplify_modify_expr_to_memcpy): Mark source and destination
2701 addressable.
2702 * omp-low.c (create_omp_child_function): Mark the object decl
2703 TREE_ADDRESSABLE.
2704 (lower_rec_input_clauses): Mark the var we take the address of
2705 TREE_ADDRESSABLE.
2706 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2708 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2710 PR middle-end/39315
2711 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2712 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2714 2009-03-27 Richard Guenther <rguenther@suse.de>
2716 PR tree-optimization/39120
2717 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2718 constraints.
2719 (handle_lhs_call): Process return constraints. Add escape
2720 constraints if necessary.
2721 (handle_const_call): Fill out return constraints. Make nested
2722 case more precise. Avoid consttmp if possible.
2723 (handle_pure_call): Fill out return constraints. Avoid
2724 callused if possible.
2725 (find_func_aliases): Simplify call handling.
2727 2009-03-27 Richard Guenther <rguenther@suse.de>
2729 PR tree-optimization/39120
2730 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2731 as a representative.
2732 (solve_graph): Do propagate CALLUSED.
2733 (handle_pure_call): Use a scalar constraint from CALLUSED for
2734 the return value.
2735 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2736 solutions.
2738 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2740 PR c/39323
2741 * c-common.c (handle_aligned_attribute): Properly check alignment
2742 overflow. Use (1U << i) instead of (1 << i).
2744 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2746 * expr.h (get_mem_align_offset): Updated.
2748 * tree.h (tree_decl_common): Change align to "unsigned int" and
2749 move it before pointer_alias_set.
2751 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2752 Jakub Jelinek <jakub@redhat.com>
2754 PR target/38034
2755 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2756 gr_register_operand with gr_reg_or_0_operand.
2757 (cmpxchg_rel_di): Likewise.
2758 (sync_lock_test_and_set<mode>): Likewise.
2760 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2762 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2763 (true_regnum): Likewise.
2765 * rtlanal.c (subreg_info): Moved to ...
2766 * rtl.h (subreg_info): Here. New.
2767 (subreg_get_info): New.
2769 * rtlanal.c (subreg_get_info): Make it extern.
2771 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2773 PR target/39472
2774 * config/i386/i386.c (ix86_abi): New.
2775 (override_options): Handle -mabi=.
2776 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2777 (ix86_call_abi_override): Likewise.
2778 (init_cumulative_args): Likewise.
2779 (function_arg_advance): Likewise.
2780 (function_arg_64): Likewise.
2781 (function_arg): Likewise.
2782 (ix86_pass_by_reference): Likewise.
2783 (ix86_function_value_regno_p): Likewise.
2784 (ix86_build_builtin_va_list_abi): Likewise.
2785 (setup_incoming_varargs_64): Likewise.
2786 (is_va_list_char_pointer): Likewise.
2787 (ix86_init_machine_status): Likewise.
2788 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2789 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2790 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2791 (ix86_function_abi): Make it static and return enum calling_abi.
2792 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2793 with ix86_abi.
2794 (ix86_fn_abi_va_list): Updated.
2796 * config/i386/i386.h (ix86_abi): New.
2797 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2798 (CONDITIONAL_REGISTER_USAGE): Likewise.
2799 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2800 (machine_function): Likewise.
2802 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2803 with ix86_abi.
2804 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2805 (STACK_BOUNDARY): Likewise.
2806 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2808 * config/i386/i386.opt (mabi=): New.
2810 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2811 return enum calling_abi.
2812 (ix86_function_type_abi): Likewise.
2813 (ix86_function_abi): Removed.
2815 * doc/invoke.texi: Document -mabi= option for x86.
2817 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2819 * builtins.c (real_dconstp): Delete.
2820 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2822 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2823 Jakub Jelinek <jakub@redhat.com>
2825 PR debug/37959
2826 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2827 (gen_subprogram_die): When a function is explicit, generate the
2828 DW_AT_explicit attribute.
2829 * langhooks.h (struct lang_hooks_for_decls): Add
2830 function_decl_explicit_p langhook.
2831 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2832 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2834 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2836 * builtins.c (fold_builtin_memory_op): Optimize memmove
2837 into memcpy if we can prove source and destination don't overlap.
2839 * tree-inline.c: Include gt-tree-inline.h.
2840 (clone_fn_id_num): New variable.
2841 (clone_function_name): New function.
2842 (tree_function_versioning): Use it.
2843 * Makefile.in (GTFILES): Add tree-inline.c.
2845 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2847 * BASE-VER: Change to 4.5.0.
2849 2009-03-27 Xinliang David Li <davidxl@google.com>
2851 PR tree-optimization/39557
2852 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2854 2009-03-27 Xinliang David Li <davidxl@google.com>
2856 PR tree-optimization/39548
2857 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2858 candidate check.
2860 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2862 * c-common.c (pointer_int_sum): Use %wd on return from
2863 tree_low_cst.
2865 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2867 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2868 on return from tree_low_cst.
2870 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2872 PR c++/36799
2873 * ginclude/stdarg.h (va_copy): Define also for
2874 __GXX_EXPERIMENTAL_CXX0X__.
2876 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2878 PR c++/35652
2879 * builtins.h (c_strlen): Do not warn here.
2880 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2881 * c-common.c (pointer_int_sum): Take an explicit location.
2882 Warn about offsets out of bounds.
2883 * c-common.h (pointer_int_sum): Adjust declaration.
2885 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2887 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2888 markup glitch.
2890 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2892 PR c++/39554
2893 * opts.c (warn_if_disallowed_function_p): Don't assume
2894 get_callee_fndecl must return non-NULL.
2896 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2898 PR rtl-optimization/39522
2899 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2900 when reg_reloaded_valid is set.
2902 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2904 * config/spu/divv2df3.c: New file.
2905 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2906 (DPBIT_FUNCS): Filter out _div_df.
2908 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2910 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2911 a jump insn, count that jump in the distance to the loop start.
2913 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2915 PR target/39523
2916 * config/sh/sh.c (calc_live_regs): Fix condition for global
2917 registers except PIC_OFFSET_TABLE_REGNUM.
2919 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2921 PR/39518
2922 * doc/invoke.texi (-mconsole): New.
2923 (-mcygwin): New.
2924 (-mno-cygwin): New.
2925 (-mdll): New.
2926 (-mnop-fun-dllimport): New.
2927 (-mthread): New.
2928 (-mwin32): New.
2929 (-mwindows): New.
2930 (sub section "i386 and x86-64 Windows Options"): New.
2932 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2934 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2935 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2937 2009-03-25 Richard Guenther <rguenther@suse.de>
2939 PR middle-end/39497
2940 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2941 of -Wno-error.
2943 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2945 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2946 neither of haifa/selective schedulers are working.
2948 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2950 * doc/invoke.texi (Debugging Options): Fix description of
2951 -fno-merge-debug-strings.
2953 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2955 * config/cris/libgcc.ver: New version-script.
2956 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2958 * configure.ac <GAS features, nop mnemonic>: Add pattern
2959 crisv32-*-* for "nop".
2960 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2961 * configure: Regenerate.
2963 2009-03-24 Ira Rosen <irar@il.ibm.com>
2965 PR tree-optimization/39529
2966 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2967 mark_sym_for_renaming for the tag copied to the new vector
2968 pointer.
2970 2009-03-24 Arthur Loiret <aloiret@debian.org>
2972 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2973 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2974 EXTRA_SPEC_FUNCTIONS.
2975 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2976 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2977 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2978 -march and -mtune options.
2980 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2982 * config/m68k/t-rtems: Add m5329 multilib.
2984 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2985 Jakub Jelinek <jakub@redhat.com>
2987 PR debug/39524
2988 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2989 nodes.
2991 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2993 PR c/39495
2994 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2995 instead of c_parser_expression_conv, if original_code isn't one of the
2996 4 allowed comparison codes, fail.
2998 2009-03-23 Richard Guenther <rguenther@suse.de>
3000 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3001 * tree.h (struct tree_type): Likewise.
3002 * reload.h (struct insn_chain): Likewise.
3003 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3004 * function.h (struct function): Likewise.
3005 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3007 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3009 PR tree-optimization/39516
3010 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3012 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3014 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3015 should be set true if BITS_PER_WORD of target is bigger than 32
3017 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3019 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3020 Translate -B-options to -rpath-link. Correct existing
3021 rpath-link and conditionalize on !nostdlib.
3023 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3025 * doc/extend.texi (Function Attributes, Variable Attributes):
3026 Fix typos.
3027 * doc/invoke.texi (Debugging Options, Optimize Options)
3028 (i386 and x86-64 Options, MCore Options): Likewise.
3030 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3032 PR debug/37890
3033 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3034 it for block local namespace aliases.
3035 (gen_decl_die): Pass context_die to gen_namespace_die.
3037 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3039 PR c/39495
3040 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3041 minimum or maximum value.
3043 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3045 * reginfo.c (globalize_reg): Recompute derived reg sets.
3047 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3049 PR target/39063
3050 * libgcc2.c (mprotect): Do not use signed arguments for
3051 VirtualProtect, use DWORD arguments. Also fix the 'may
3052 be used uninitialized' warning for the np variable.
3054 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3056 PR target/39496
3057 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3058 functions using regparm calling conventions when not optimizing.
3059 (ix86_function_sseregparm): Similarly for sseregparm calling
3060 conventions.
3062 2009-03-19 Li Feng <nemokingdom@gmail.com>
3064 PR middle-end/39500
3065 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3066 dependence if the first conflict is after niter iterations.
3068 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3070 PR middle-end/38609
3071 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3072 functions with dynamic stack-pointer adjustments.
3074 2009-03-19 Ben Elliston <bje@au.ibm.com>
3076 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3077 option; change to -msdata=data.
3079 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3081 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3082 and -fopenmp.
3084 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3086 PR target/35180
3087 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3089 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3091 * doc/invoke.texi (Code Gen Options): Expand discussion of
3092 -fno-common.
3094 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3096 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3097 * matrix-reorg.c (struct matrix_info): Likewise.
3098 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3099 * rtl.h (struct mem_attrs): Likewise.
3100 * df.h (struct df): Likewise.
3101 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3102 * ira-int.h (struct ira_allocno): Likewise.
3103 * df-scan.c (struct df_collection_rec): Likewise.
3104 * ira.c (struct equivalence): Likewise.
3105 * function.c (struct temp_slot): Likewise.
3106 * cfgloop.h (struct loop): Likewise.
3108 PR debug/39485
3109 * function.c (use_register_for_decl): When not optimizing, disregard
3110 register keyword for variables with types containing methods.
3112 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3114 PR middle-end/39447
3115 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3116 (is_simple_operand): Call contains_component_ref_p before calling data
3117 reference analysis that would fail on COMPONENT_REFs.
3119 * tree-vrp.c (search_for_addr_array): Fix formatting.
3121 2009-03-18 Richard Guenther <rguenther@suse.de>
3123 * tree-vect-transform.c (vect_loop_versioning): Fold the
3124 generated comparisons.
3125 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3126 (slpeel_tree_peel_loop_to_edge): Likewise.
3128 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3130 PR middle-end/37805
3131 * opts.c (print_specific_help): In addition to `undocumented',
3132 accept `separate' and `joined' flags if passed alone. Describe
3133 output by the first matched one of those.
3134 (common_handle_option): Skip over empty strings.
3135 * gcc.c (display_help): Fix help string for `--help='.
3136 * doc/invoke.texi (Option Summary, Overall Options): With
3137 `--help=', classes and qualifiers can both be repeated, but
3138 only the latter can be negated. One should not pass only
3139 negated qualifiers. Fix markup and examples.
3141 Revert
3142 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3143 PR middle-end/37805
3144 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3145 and -fhelp=separate.
3147 2009-03-17 Jing Yu <jingyu@google.com>
3149 PR middle-end/39378
3150 * function.h (struct rtl_data): Move is_thunk from here...
3151 (struct function): ...to here.
3152 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3153 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3154 cfun.
3155 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3156 cfun.
3157 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3158 (alpha_output_function_end_prologue): Likewise.
3159 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3160 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3161 (rs6000_output_function_epilogue): Likewise.
3162 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3164 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3166 PR target/39482
3167 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3168 from different units in a single alternative.
3169 (*truncdfsf_i387): Ditto.
3170 (*truncxfsf2_mixed): Ditto.
3171 (*truncxfdf2_mixed): Ditto.
3173 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3175 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3176 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3178 PR debug/39474
3179 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3180 unused non-artificial variables when not optimizing.
3182 PR debug/39471
3183 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3184 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3185 NAMESPACE_DECL in its DECL_INITIAL.
3187 PR middle-end/39443
3188 * optabs.c (set_user_assembler_libfunc): New function.
3189 * expr.h (set_user_assembler_libfunc): New prototype.
3190 * c-common.c: Include libfuncs.h.
3191 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3192 for memcmp, memset, memcpy, memmove and abort.
3193 * Makefile.in (c-common.o): Depend on libfuncs.h.
3195 PR debug/39412
3196 * dwarf2out.c (gen_inlined_enumeration_type_die,
3197 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3198 gen_tagged_type_instantiation_die): Removed.
3199 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3200 do nothing.
3202 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3204 PR testsuite/38526
3205 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3206 its use.
3207 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3208 (check-parallel-%): Ditto.
3209 (check-consistency): Ditto.
3211 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3213 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3214 local variable rhs by NULL_TREE.
3216 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3218 PR target/39477
3219 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3221 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3223 PR target/39476
3224 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3226 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3228 PR target/39473
3229 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3230 for ms->sysv ABI calls only in 64bit mode.
3232 * config/i386/i386.md (untyped_call): Support 32bit.
3234 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3236 * doc/extend.texi: Replace x86_65 with x86_64.
3238 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3240 PR tree-optimization/39455
3241 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3242 mismatches for POINTER_TYPE_P (type).
3243 (number_of_iterations_le): Likewise.
3245 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3247 * config/picochip/picochip.c: Removed profiling support.
3248 * config/picochip/picochip.md: Removed profiling instruction.
3249 * config/picochip/picochip.h: Removed profiling builtin.
3251 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3253 * doc/install.texi (--with-host-libstdcxx): Document.
3255 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3257 PR target/34299
3258 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3259 generate a warning if the function name does not begin with
3260 "__vector" and the function has either the 'signal' or 'interrupt'
3261 attribute, from here to ...
3262 (avr_declare_function_name): ...here. New function.
3263 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3264 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3266 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3268 PR bootstrap/39454
3269 * cse.c (fold_rtx): Don't modify original const_arg1 when
3270 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3271 separate variable instead.
3272 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3273 from out of range shift counts.
3274 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3276 2008-03-13 Catherine Moore <clm@codesourcery.com>
3278 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3279 diagnostic.h with $(DIAGNOSTIC_H).
3281 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3283 PR target/39431
3284 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3285 predicate.
3286 * config/i386/sync.md (sync_compare_and_swap<mode>,
3287 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3288 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3289 into a register.
3290 (sync_double_compare_and_swapdi_pic,
3291 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3292 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3294 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3296 PR target/39445
3297 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3299 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3301 PR target/39327
3302 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3303 (avx_addsubv4df3): Likewise.
3304 (*avx_addsubv4sf3): Likewise.
3305 (sse3_addsubv4sf3): Likewise.
3307 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3309 PR target/38824
3310 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3312 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3314 PR debug/39432
3315 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3316 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3317 registers for allocnos created from user-defined variables.
3319 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3321 PR target/39181
3322 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3323 of non-integer mode as well.
3325 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3327 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3328 for functions for which the parameter types are unknown.
3330 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3332 PR target/39137
3333 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3334 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3335 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3336 * config/i386/i386.c (ix86_local_alignment): For
3337 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3338 long long variables on the stack to avoid dynamic realignment.
3339 Allow the first argument to be a decl rather than type.
3340 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3342 2009-03-11 Nick Clifton <nickc@redhat.com>
3344 PR target/5362
3345 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3346 options.
3347 Add description to mno-lsim option.
3348 * config/mcore/mcore.h: Remove comment about deprecated m4align
3349 option.
3350 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3351 * doc/invoke.texi: Add description of mno-lsim and
3352 mstack-increment options.
3354 * config/fr30/fr30.opt: Document the -mno-lsim option.
3355 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3356 and -mno-lsim options.
3358 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3360 * fold-const.c (fold_comparison): Only call fold_inf_compare
3361 if the mode supports infinities.
3363 2009-03-11 Jason Merrill <jason@redhat.com>
3365 PR debug/39086
3366 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3367 end already did. Notice GIMPLE_CALL modifications of the result.
3368 Don't copy debug information from an ignored decl or a decl from
3369 another function.
3371 2009-03-10 Richard Guenther <rguenther@suse.de>
3372 Nathan Froyd <froydnj@codesourcery.com>
3374 PR middle-end/37850
3375 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3376 (__divMODE3): Likewise.
3378 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3380 PR tree-optimization/39394
3381 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3382 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3384 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3386 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3387 inline asms for register asm ("") declarations.
3389 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3391 * fold-const.c (fold_unary): Fix comment.
3393 2009-03-07 Jan Hubicka <jh@suse.cz>
3395 PR target/39361
3396 * tree-inline.c (setup_one_parameter): Do replacement of const
3397 argument by constant in SSA form.
3399 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3401 PR middle-end/38028
3402 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3403 determine alignment passed to assign_stack_local.
3404 (assign_parms_unsplit_complex): Likewise.
3405 * except.c (sjlj_build_landing_pads): Likewise.
3407 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3409 PR middle-end/39360
3410 * tree-flow.h (add_referenced_var): Return bool instead of void.
3411 * tree-dfa.c (add_referenced_var): Return result of
3412 referenced_var_check_and_insert call.
3413 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3414 of referenced_var_check_and_insert.
3416 PR debug/39372
3417 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3418 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3419 DIE, don't emit it if abstract origin already has it.
3420 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3421 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3423 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3425 * genpreds.c (needs_variable): Fix parentheses at variable name
3426 detection.
3427 (write_tm_constrs_h): Indent generated code.
3429 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3431 * doc/extend.texi (Function Attributes): Add documentation
3432 for isr attributes.
3434 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3436 PR debug/39387
3437 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3438 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3440 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3442 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3443 the loop as bad.
3445 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3447 PR debug/39379
3448 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3449 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3451 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3453 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3454 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3455 constants instead of magic numbers.
3456 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3457 (QI_REG_P): Ditto.
3458 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3459 (x86_64_ms_abi_int_parameter_registers): Ditto.
3460 (x86_64_int_return_registers): Ditto.
3461 (ix86_maybe_switch_abi): Ditto.
3462 (ix86_expand_call): Ditto for clobbered_registers array.
3463 (ix86_hard_regno_mode_ok): Ditto.
3464 (x86_extended_QIreg_mentioned_p): Ditto.
3466 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3468 PR tree-optimization/39349
3469 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3471 * combine.c (gen_lowpart_for_combine): Use omode when generating
3472 clobber.
3474 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3476 PR rtl-optimization/39235
3477 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3479 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3481 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3483 2009-03-04 Richard Guenther <rguenther@suse.de>
3485 PR tree-optimization/39362
3486 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3487 that occur in abnormal PHIs should be varying.
3489 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3491 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3492 Extend comments.
3493 (simple_iv): Take loop as an argument instead of statement.
3494 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3495 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3496 to simple_iv.
3497 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3498 Ditto.
3499 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3500 * matrix-reorg.c (analyze_transpose): Ditto.
3501 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3502 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3503 * tree-predcom.c (ref_at_iteration): Ditto.
3504 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3506 2009-03-04 Richard Guenther <rguenther@suse.de>
3508 PR tree-optimization/39358
3509 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3510 escaped_id and callused_id.
3511 (solve_graph): Likewise.
3513 2009-03-04 Richard Guenther <rguenther@suse.de>
3515 PR tree-optimization/39339
3516 * tree-sra.c (try_instantiate_multiple_fields): Make it
3517 no longer ICE on the above.
3519 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3521 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3522 that fits within Pmode.
3524 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3526 PR middle-end/10109
3527 * tm.texi (LIBCALL_VALUE): Update description.
3529 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3531 PR middle-end/34443
3532 * doc/extend.texi (section): Update description.
3534 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3536 PR middle-end/39345
3537 * tree-inline.c (remapped_type): New.
3538 (can_be_nonlocal): Call remapped_type instead of remap_type.
3540 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3542 PR fortran/39354
3543 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3544 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3546 2009-03-03 Richard Guenther <rguenther@suse.de>
3548 PR middle-end/39272
3549 * tree.c (tree_nonartificial_location): New function.
3550 * tree.h (tree_nonartificial_location): Declare.
3551 * builtins.c (expand_builtin_memory_chk): Provide location
3552 of the call location for artificial function pieces.
3553 (maybe_emit_chk_warning): Likewise.
3554 (maybe_emit_sprintf_chk_warning): Likewise.
3555 (maybe_emit_free_warning): Likewise.
3556 * expr.c (expand_expr_real_1): Likewise.
3558 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3560 PR tree-optimization/39343
3561 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3562 COMPONENT_REF t has ARRAY_TYPE.
3564 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3566 PR middle-end/39335
3567 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3568 when the type precision of the induction variable should be
3569 larger than the type precision of nit.
3570 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3571 * graphite.c (graphite_loop_normal_form): Same.
3572 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3574 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3576 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3577 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3578 numbers to describe clobbered registers.
3579 (*call_value_0_rex64_ms_sysv): Ditto.
3580 * config/i386/mmx.md (mmx_emms): Ditto.
3581 (mmx_femms): Ditto.
3583 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3585 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3586 of ABI_64.
3588 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3590 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3591 (spu_section_type_flags): New function.
3593 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3595 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3596 reg_class_contents of FLOAT_REGS into a temporary.
3598 2009-03-02 Richard Guenther <rguenther@suse.de>
3599 Ira Rosen <irar@il.ibm.com>
3601 PR tree-optimization/39318
3602 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3603 information to the vectorized statement.
3605 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3607 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3608 variable. Use defined names instead of magic constants for REX SSE
3609 registers.
3611 2009-03-01 Richard Guenther <rguenther@suse.de>
3613 PR tree-optimization/39331
3614 * omp-low.c (lower_send_shared_vars): Do not receive new
3615 values for the reference of DECL_BY_REFERENCE parms or results.
3617 2009-03-01 Jan Hubicka <jh@suse.cz>
3619 PR debug/39267
3620 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3621 BLOCK_NONLOCALIZED_VAR): New macros.
3622 (tree_block): Add nonlocalized_vars.
3623 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3624 gen_decl_die): Add origin argument. Allow generation of die with
3625 origin at hand only.
3626 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3627 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3628 of gen_*.
3629 (gen_block_die): Fix checking for unused blocks.
3630 (process_scope_var): Break out from .... ; work with origins only.
3631 (decls_for_scope) ... here; process nonlocalized list.
3632 (dwarf2out_ignore_block): Look for nonlocalized vars.
3633 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3634 vars.
3635 (dump_scope_block): Dump them.
3636 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3637 (remap_block): Likewise.
3638 (can_be_nonlocal): New predicate.
3639 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3641 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3643 * configure: Regenerate.
3645 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3647 * optc-gen.awk: No need to duplicate option flags twice.
3648 Reuse help texts for duplicate options which do not have any.
3650 * gcc.c (display_help): Document --version.
3652 * gcc.c (main): If print_help_list and verbose_flag, ensure
3653 driver output comes before subprocess output.
3655 * optc-gen.awk: Assign all remaining fields to help string,
3656 space-separated, for multi-line help in *.opt.
3658 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3659 -Wno-pedantic-ms-format is for MinGW targets only.
3661 * doc/options.texi (Option file format): Fix bad indentation,
3662 restoring dropped sentence.
3664 2009-02-28 Jan Hubicka <jh@suse.cz>
3666 * tree-inline.c (tree_function_versioning): Output debug info.
3668 2009-02-28 Jan Hubicka <jh@suse.cz>
3670 PR debug/39267
3671 * tree-inline.c (setup_one_parameter): Do not copy propagate
3672 arguments when not optimizing.
3674 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3676 PR target/39327
3677 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3678 (avx_addsubv4df3): Likewise.
3679 (*avx_addsubv4sf3): Likewise.
3680 (sse3_addsubv4sf3): Likewise.
3681 (*avx_addsubv2df3): Likewise.
3682 (sse3_addsubv2df3): Likewise.
3683 (avx_unpckhps256): Correct item selectors.
3684 (avx_unpcklps256): Likewise.
3685 (avx_unpckhpd256): Likewise.
3686 (avx_unpcklpd256): Likewise.
3688 2009-02-28 Jan Hubicka <jh@suse.cz>
3690 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3691 static vars.
3692 (copy_arguments_for_versioning): If var is declared don't declare it.
3693 (tree_function_versioning): First setup substitutions and then copy
3694 args.
3696 2009-02-27 Jan Hubicka <jh@suse.cz>
3698 PR debug/39267
3699 * cgraph.h (varpool_output_debug_info): Remove.
3700 * cgraphunit.c (varpool_output_debug_info): Remove.
3701 * dwarf2out.c (deferred_locations_struct): New struct
3702 (deferred_locations): New type.
3703 (deferred_locations_list): New static var.
3704 (deffer_location): New function.
3705 (gen_variable_die): Use it.
3706 (decls_for_scope): Output info on local static vars.
3707 (dwarf2out_finish): Process deferred locations.
3708 * varpool.c (varpool_output_debug_info): Remove.
3710 2009-02-27 Jan Hubicka <jh@suse.cz>
3712 PR debug/39267
3713 * tree.h (TREE_PROTECTED): Fix comment.
3714 (BLOCK_HANDLER_BLOCK): Remove.
3715 (struct tree_block): Remove handler_block add body_block.
3716 (inlined_function_outer_scope_p): New.
3717 (is_body_block): Remove.
3718 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3719 * dwarf2out.c (is_inlined_entry_point): Remove.
3720 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3721 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3722 code.
3723 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3724 * gimplify.c (gimplify_expr): Gimplify body blocks.
3725 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3726 block with multiple subblocks.
3727 (dump_scope_block): Prettier output; dump more flags and info.
3728 (dump_scope_blocks): New.
3729 (remove_unused_locals): Use dump_scope_blocks.
3730 * tree-flow.h (dump_scope_blocks): Declare.
3731 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3732 * stmt.c (is_body_block): Remove.
3733 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3734 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3736 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3738 PR middle-end/39308
3739 * graphite.c (graphite_loop_normal_form): Do not call
3740 number_of_iterations_exit from a gcc_assert.
3742 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3744 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3745 jumps if COND is NULL.
3746 (find_cond_jump): New function.
3747 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3748 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3750 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3752 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3753 force_const_mem returns NULL_RTX.
3755 2009-02-26 Jan Hubicka <jh@suse.cz>
3757 PR debug/39267
3758 * cgraph.h (varpool_output_debug_info): Remove.
3759 * cgraphunit.c (varpool_output_debug_info): Remove.
3760 * dwarf2out.c (deferred_locations_struct): New struct
3761 (deferred_locations): New type.
3762 (deferred_locations_list): New static var.
3763 (deffer_location): New function.
3764 (gen_variable_die): Use it.
3765 (decls_for_scope): Output info on local static vars.
3766 (dwarf2out_finish): Process deferred locations.
3767 * varpool.c (varpool_output_debug_info): Remove.
3769 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3771 PR rtl-optimization/39241
3772 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3773 to subreg_offset_representable_p.
3775 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3777 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3778 execute function prototype. Get f and nregs from max_reg_num
3779 and get_insns. Remove the first backward pass as it's dead,
3780 guard the forward pass by flag_expensive_optimizations.
3781 (rest_of_handle_regmove): Delete.
3782 (pass_regmove): Replace it with regmove_optimize.
3784 2009-02-25 Martin Jambor <mjambor@suse.cz>
3786 PR tree-optimization/39259
3787 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3788 calls_alloca function flags.
3789 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3790 calls are detected.
3792 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3794 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3795 flags_set_1_rtx, flags_set_1_set): Delete.
3796 (regmove_optimize): Do not call mark_flags_life_zones.
3798 2009-02-24 Julian Brown <julian@codesourcery.com>
3800 PR target/35965
3801 * config/arm/arm.c (require_pic_register): Only set
3802 cfun->machine->pic_reg once per function.
3804 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3806 * doc/invoke.texi (Link Options): Document an easier way to pass
3807 options that take arguments to the GNU linker using -Xlinker and -Wl.
3809 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3811 PR target/33785
3812 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3814 2009-02-24 Richard Guenther <rguenther@suse.de>
3816 PR debug/39285
3817 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3819 2009-02-24 Richard Guenther <rguenther@suse.de>
3820 Zdenek Dvorak <ook@ucw.cz>
3822 PR tree-optimization/39233
3823 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3824 from converting them to a generic type.
3826 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3828 PR tree-optimization/39260
3829 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3830 contains a condition with a real type.
3831 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3833 2009-02-23 Jason Merrill <jason@redhat.com>
3835 PR c++/38880
3836 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3837 narrowing_initializer_constant_valid_p.
3838 (narrowing_initializer_constant_valid_p): Don't return
3839 null_pointer_node for adding a pointer to itself.
3841 2009-02-23 Jan Hubicka <jh@suse.cz>
3843 PR c/12245
3844 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3845 resizing.
3847 2009-02-23 Jan Hubicka <jh@suse.cz>
3849 PR tree-optimization/37709
3850 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3851 * tree.h (block_ultimate_origin): Declare.
3852 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3853 * tree-ssa-live.c (remove_unused_scope_block_p):
3854 Eliminate blocks containig no instructions nor live variables nor
3855 nested blocks.
3856 (dump_scope_block): New function.
3857 (remove_unused_locals): Enable removal of dead blocks by default;
3858 enable dumping at TDF_DETAILS.
3860 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3862 * config/i386/i386.c (classify_argument): Don't allow COImode
3863 and OImode.
3864 (function_arg_advance_32): Don't allow OImode.
3865 (function_arg_32): Likewise.
3866 (function_value_32): Likewise.
3867 (return_in_memory_32): Likewise.
3868 (function_arg_64): Remove OImode comment.
3870 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3872 PR target/39261
3873 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3874 ix86_expand_vector_set for V4DImode in 64bit mode only.
3875 (ix86_expand_vector_init_one_var): Likewise.
3877 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3879 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3881 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3883 PR bootstrap/39257
3884 * loop-iv.c: Revert last change.
3885 * emit-rtl.c: Likewise.
3887 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3889 PR target/39256
3890 * config/i386/i386.c (type_natural_mode): Remove an extra
3891 space in the warning message.
3892 (function_value_32): Handle 32-byte vector modes.
3893 (return_in_memory_32): Likewise.
3895 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3897 * loop-iv.c (truncate_value): New function.
3898 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3899 of lowpart_subreg.
3900 (lowpart_subreg): Move to...
3901 * emit-rtl.c: ...here.
3903 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3905 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3906 accidental and undocumented change at revision 140860.
3908 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3910 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3911 take gimple_seq * arguments.
3912 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3913 types_compatible_p langhook.
3915 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3916 Joseph Myers <joseph@codesourcery.com>
3918 * config/arm/arm.c (arm_builtin_va_list): New function.
3919 (arm_expand_builtin_va_start): Likewise.
3920 (arm_gimplify_va_arg_expr): Likewise.
3921 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3922 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3923 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3924 (va_list_type): New variable.
3925 (arm_mangle_type): Mangle va_list_type appropriately.
3927 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3929 PR middle-end/39157
3930 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3931 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3932 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3933 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3934 parameter to 1000 for -O1 by default.
3935 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3936 parameter.
3937 * loop-invariant.c: Include params.h.
3938 (move_loop_invariants): Don't call move_single_loop_invariants on
3939 very large loops.
3941 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3943 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3944 offset when calculating bounds for indexing stack_usage_map. Fixes
3945 a buffer overflow with certain target setups.
3947 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3949 PR target/39240
3950 * calls.c (expand_call): Clear try_tail_call if caller and callee
3951 disagree in promotion of function return value.
3953 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3955 PR target/39175
3956 * c-common.c (c_determine_visibility): If visibility changed and
3957 DECL_RTL has been already set, call make_decl_rtl to update symbol
3958 flags.
3960 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3962 PR c++/39188
3963 * varasm.c (assemble_variable): Don't check DECL_NAME when
3964 globalizing a variable.
3966 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3968 PR c/38483
3969 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3970 expression before any __builtin_trap call.
3971 * c-typeck.c (build_function_call): Convert and check function
3972 arguments before generating a call to a trap. Evaluate the
3973 function arguments before the trap.
3975 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3977 PR target/39228
3978 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3979 (UNSPEC_FXAM_MEM): New unspec.
3980 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3981 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3982 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3984 2009-02-19 Richard Guenther <rguenther@suse.de>
3986 PR tree-optimization/39207
3987 PR tree-optimization/39074
3988 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3989 storedanything_tree): New.
3990 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3991 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3992 (build_succ_graph): Add edges from STOREDANYTHING to all
3993 non-direct nodes.
3994 (init_base_vars): Initialize STOREDANYTHING.
3995 (compute_points_to_sets): Free substitution info after
3996 building the succ graph.
3997 (ipa_pta_execute): Likewise.
3999 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4000 field.
4001 (do_ds_constraint): Do not add to special var or non-pointer
4002 field solutions.
4003 (type_could_have_pointers): Split out from ...
4004 (could_have_pointers): ... here. For arrays use the element type.
4005 (create_variable_info_for): Initialize may_have_pointers.
4006 (new_var_info): Likewise.
4007 (handle_lhs_call): Make the HEAP variable unknown-sized.
4008 (intra_create_variable_infos): Use a type with pointers for
4009 PARM_NOALIAS, make it unknown-sized.
4011 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4013 PR target/39224
4014 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4016 2009-02-18 Jason Merrill <jason@redhat.com>
4018 PR target/39179
4019 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4020 value if DECL_EXTERNAL.
4021 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4022 * target.h (gcc_target::binds_local_p): Clarify "module".
4023 * tree.h (TREE_PUBLIC): Clarify "module".
4025 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4027 PR target/38891
4028 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4029 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4031 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4033 PR target/39082
4034 * c.opt (Wabi): Support C and ObjC.
4035 (Wpsabi): New.
4037 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4039 * config/i386/i386.c (classify_argument): Warn once about the ABI
4040 change when passing union with long double.
4042 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4044 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4046 PR c/35447
4047 * c-parser.c (c_parser_compound_statement): Always enter and leave
4048 a scope.
4050 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4052 PR target/34587
4053 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4055 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4057 PR tree-optimization/36922
4058 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4059 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4060 Likewise.
4062 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4064 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4065 to 0 for EABI64.
4067 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4069 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4071 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4073 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4074 tree sharing.
4076 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4077 Richard Sandiford <rdsandiford@googlemail.com>
4079 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4080 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4081 (loongson_biadd): ...this.
4083 2009-02-17 Richard Guenther <rguenther@suse.de>
4085 PR tree-optimization/39202
4086 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4087 a var make sure to follow existing collapses.
4089 2009-02-17 Richard Guenther <rguenther@suse.de>
4091 PR middle-end/39214
4092 * langhooks.c (lhd_print_error_function): Check for NULL block.
4094 2009-02-17 Richard Guenther <rguenther@suse.de>
4096 PR tree-optimization/39204
4097 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4098 of the PHI arg.
4100 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4102 * config/soft-fp/double.h: Update from glibc CVS.
4104 2009-02-17 Richard Guenther <rguenther@suse.de>
4106 PR tree-optimization/39207
4107 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4108 strict-aliasing warnings for pointers pointing to NULL.
4110 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4112 PR c/35446
4113 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4114 skipping until next close brace.
4116 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4118 PR target/37049
4119 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4120 to function argument boundary.
4122 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4124 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4125 in the lea_add. Reload eventually constraints it properly.
4126 * config/picochip/constraints.md : Remove the target constraint
4127 "b", since it is not needed anymore.
4129 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4131 * gthr-dce.h: Uglify function parameter and local variable names.
4132 * gthr-gnat.h: Likewise.
4133 * gthr-mipssde.h: Likewise.
4134 * gthr-nks.h: Likewise.
4135 * gthr-posix95.h: Likewise.
4136 * gthr-posix.h: Likewise.
4137 * gthr-rtems.h: Likewise.
4138 * gthr-single.h: Likewise.
4139 * gthr-solaris.h: Likewise.
4140 * gthr-tpf.h: Likewise.
4141 * gthr-vxworks.h: Likewise.
4142 * gthr-win32.h: Likewise.
4144 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4146 PR target/39196
4147 * config/i386/i386.md: Restrict the new peephole2 to move
4148 between MMX/SSE registers.
4150 2009-02-15 Richard Guenther <rguenther@suse.de>
4152 Revert
4153 2009-02-13 Richard Guenther <rguenther@suse.de>
4155 * configure.ac: Enable LFS.
4156 * configure: Re-generate.
4157 * config.in: Likewise.
4159 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4161 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4162 spu_srqwbyte, spu_srqwbytebc): Define.
4163 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4164 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4165 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4166 "shrqby_<mode>"): New insn-and-split patterns.
4167 * config/spu/spu.c (expand_builtin_args): Determine and return
4168 number of operands using spu_builtin_description data.
4169 (spu_expand_builtin_1): Use it.
4171 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4173 PR target/38056
4174 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4175 TARGET_CONST_GP.
4177 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4179 PR target/39149
4180 * config/i386/i386.c (override_options): Correct warning
4181 messages for -malign-loops, -malign-jumps and -malign-functions.
4183 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4185 PR target/39152
4186 * config/i386/i386.md: Restrict the new peephole2 to move
4187 between the general purpose registers.
4189 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4191 PR target/39162
4192 * config/i386/i386.c (type_natural_mode): Add a new argument.
4193 Return the original mode and warn ABI change if vector size is 32byte.
4194 (function_arg_advance): Updated.
4195 (function_arg): Likewise.
4196 (ix86_function_value): Likewise.
4197 (ix86_return_in_memory): Likewise.
4198 (ix86_sol10_return_in_memory): Likewise.
4199 (ix86_gimplify_va_arg): Likewise.
4200 (function_arg_32): Don't warn ABX ABI change here.
4201 (function_arg_64): Likewise.
4203 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4205 * loop-iv.c (implies_p): In the final case, test that operands 0
4206 of the two comparisons match.
4208 * config/bfin/bfin.c (find_prev_insn_start): New function.
4209 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4210 (find_next_insn_start): Move.
4212 2009-02-13 Richard Guenther <rguenther@suse.de>
4214 * configure.ac: Enable LFS.
4215 * configure: Re-generate.
4216 * config.in: Likewise.
4218 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4220 PR c/35444
4221 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4222 sizes on syntax error after some arguments have been parsed.
4224 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4226 * doc/invoke.texi (-fira): Remove.
4228 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4230 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4231 * recog.c: Likewise.
4232 * rtl.h: Likewise.
4234 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4236 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4237 (umul_ppmm): Likewise.
4238 (count_leading_zeros): Likewise.
4239 (count_trailing_zeros): Likewise.
4240 (UMUL_TIME): Likewise.
4242 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4244 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4245 soft-fp/t-softfp to tmake_file.
4247 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4248 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4249 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4250 IA64_BUILTIN_INFQ]: New.
4251 (ia64_init_builtins): Initialize __builtin_infq,
4252 __builtin_fabsq and __builtin_copysignq if not HPUX.
4253 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4254 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4256 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4257 SHARED is defined.
4258 (__fixtfti): Likewise.
4259 (__fixunstfti): Likewise.
4260 (__floattitf): Likewise.
4262 * config/ia64/libgcc-glibc.ver: New.
4263 * config/ia64/t-fprules-softfp: Likewise.
4264 * config/ia64/sfp-machine.h: Likewise.
4266 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4267 (LIBGCC2_TF_CEXT): Likewise.
4268 (TF_SIZE): Likewise.
4269 (TARGET_INIT_LIBFUNCS): Likewise.
4271 * config/ia64/t-glibc (SHLINB_MAPFILES):
4272 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4274 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4276 * config/i386/i386.c (construct_container): Rewrite processing
4277 BLKmode with X86_64_SSE_CLASS.
4279 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4281 PR target/39152
4282 * config/i386/i386.md: Replace simplify_replace_rtx with
4283 replace_rtx in the new peephole2.
4285 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4287 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4288 loop unrolling do not happen at -O2.
4290 2009-02-12 Michael Matz <matz@suse.de>
4292 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4294 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4296 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4297 for -g3.
4299 2009-02-12 Ben Elliston <bje@au.ibm.com>
4301 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4302 patterns when updating the back chain. Missed in the 2009-02-10
4303 change.
4305 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4307 * doc/extend.texi (Decimal Floating Types): Update identifier of
4308 draft TR and list of missing support.
4310 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4312 PR middle-end/39154
4313 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4314 bit to variable length decl's flags, add it also to its
4315 pointer replacement variable.
4317 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4318 Jakub Jelinek <jakub@redhat.com>
4320 PR target/39118
4321 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4322 (memory_blockage): New expander.
4323 (*memory_blockage): New insn pattern.
4324 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4325 instead of general blockage at the end of function prologue when
4326 frame pointer is used to access red zone area. Do not emit blockage
4327 when profiling, it is emitted in generic code.
4328 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4329 function epilogue when frame pointer is used to access red zone area.
4331 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4333 PR target/38824
4334 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4335 by arithmetic with memory operands.
4336 * config/i386/predicates.md (commutative_operator): New.
4338 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4340 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4341 bulleted lists.
4343 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4345 * alias.h (record_alias_subset): Declare.
4346 * alias.c (record_alias_subset): Make global.
4348 2009-02-10 Nick Clifton <nickc@redhat.com>
4350 * tree-parloops.c: Change license to GPLv3.
4351 * ipa-struct-reorg.c: Change license to GPLv3.
4352 * ipa-struct-reorg.h: Change license to GPLv3.
4354 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4356 PR c/39084
4357 * c-decl.c (start_struct): Return NULL on error.
4359 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4361 PR middle-end/39124
4362 * cfgloopmanip.c (remove_path): Call remove_bbs after
4363 cancel_loop_tree, not before it.
4365 PR target/39139
4366 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4367 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4368 VAR_DECLs were seen.
4369 * tree-ssa-live.c (remove_unused_locals): Recompute
4370 cfun->has_local_explicit_reg_vars.
4371 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4372 copies or clearings if cfun->has_local_explicit_reg_vars.
4374 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4376 PR target/39118
4377 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4378 of function prologue when frame pointer is used to access
4379 red zone area.
4381 2009-02-10 Richard Guenther <rguenther@suse.de>
4383 PR middle-end/39127
4384 * gimplify.c (gimple_regimplify_operands): Always look if
4385 we need to create a temporary.
4387 2009-02-10 Richard Guenther <rguenther@suse.de>
4389 PR tree-optimization/39132
4390 * tree-loop-distribution.c (todo): New global var.
4391 (generate_memset_zero): Trigger TODO_rebuild_alias.
4392 (tree_loop_distribution): Return todo.
4394 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4396 PR target/39119
4397 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4398 (x86_64_reg_class_name): Removed.
4399 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4400 first one isn't X86_64_SSE_CLASS or any other ones aren't
4401 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4402 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4403 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4404 and 3 X86_64_SSEUP_CLASS.
4405 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4406 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4408 2009-02-10 Ben Elliston <bje@au.ibm.com>
4410 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4411 form instruction to update the stack back chain word, even if the
4412 user has disabled the generation of update instructions.
4413 (movdi_<mode>_update_stack): New.
4414 (movsi_update_stack): Likewise.
4415 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4416 always use an update form instruction to update the stack back
4417 chain word.
4419 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4421 PR middle-end/38953
4422 * graphite.c (if_region_set_false_region): After moving a region in
4423 the false branch of a condition, remove the empty dummy basic block.
4424 (gloog): Remove wrong fix for PR38953.
4426 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4428 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4429 generation due to implicit sign extension.
4431 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4433 PR middle-end/38981
4434 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4435 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4437 2009-02-09 Richard Guenther <rguenther@suse.de>
4439 PR middle-end/35202
4440 * convert.c (convert_to_real): Disable (float)fn((double)x)
4441 to fnf(x) conversion if errno differences may occur and
4442 -fmath-errno is set.
4444 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4446 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4447 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4448 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4450 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4452 PR c/35434
4453 * c-common.c (handle_alias_attribute): Disallow attribute for
4454 anything not a FUNCTION_DECL or VAR_DECL.
4456 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4458 PR c/39035
4459 * real.c (do_compare): Special-case compare of zero against
4460 decimal float value.
4462 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4464 PR c/36432
4465 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4466 as indicating flexible array members unless the field itself is
4467 being declarared as the incomplete array.
4469 2009-02-06 Jan Hubicka <jh@suse.cz>
4471 PR tree-optimization/38844
4472 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4473 is already inlined.
4475 2009-02-06 Richard Guenther <rguenther@suse.de>
4477 PR middle-end/38977
4478 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4479 fork because we may expand it as __gcov_fork.
4481 2009-02-06 Nick Clifton <nickc@redhat.com>
4483 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4485 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4487 PR tree-optimization/35659
4488 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4489 vn_phi_eq): Shortcut if hashcode does not match.
4490 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4491 NULL operands.
4492 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4493 and avoid iterative_hash_expr.
4494 (FOR_EACH_VALUE_ID_IN_SET): New.
4495 (value_id_compare): Remove.
4496 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4497 sort expressions by value id.
4499 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4501 PR target/38991
4502 * config/sh/predicates.md (general_movsrc_operand): Don't check
4503 the subreg of system registers here.
4505 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4507 PR c++/39106
4508 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4509 on the copied decl.
4511 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4513 PR rtl-optimization/39110
4514 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4515 addresses, not aligned ones.
4517 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4518 Richard Guenther <rguenther@suse.de>
4520 PR tree-optimization/39100
4521 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4522 comment says and add edges.
4524 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4526 PR c/35435
4527 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4528 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4530 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4532 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4533 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4534 register_bb_in_sese, new_sese, free_sese): Moved.
4535 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4536 outermost_loop_in_scop, build_scop_iteration_domain,
4537 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4538 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4539 Use loop_in_sese_p instead of loop_in_scop_p.
4540 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4541 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4542 (scopdet_basic_block_info): Fix bug in scop detection.
4543 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4544 eq_loop_to_cloog_loop): Remove.
4545 (nb_loops_around_loop_in_scop, nb_loop
4546 ref_nb_loops): Moved here...
4547 * graphite.h (ref_nb_loops): ... from here.
4548 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4549 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4550 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4551 * testsuite/gcc.dg/graphite/scop-19.c: New
4553 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4554 Hans-Peter Nilsson <hp@axis.com>
4556 PR rtl-optimization/37889
4557 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4558 Move offset handling from PLUS to before the switch. Use new
4559 arguments when considering SYMBOL_REFs too.
4560 (rtx_addr_can_trap_p): Pass dummy offset and size.
4561 (enum may_trap_p_flags): Remove.
4562 (may_trap_p_1): Pass size from MEM_SIZE.
4564 PR rtl-optimization/38921
4565 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4566 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4567 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4568 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4570 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4572 AVX Programming Reference (January, 2009)
4573 * config/i386/sse.md (*vpclmulqdq): New.
4575 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4577 PR tree-optimization/38977
4578 PR gcov-profile/38292
4579 * calls.c (special_function_p): Disregard __builtin_ prefix.
4581 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4583 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4584 non-indexable addresses even before reload.
4586 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4588 PR c/29129
4589 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4590 as having variable size. Do not give an error for unnamed
4591 parameters with [*] declarators. Give a warning for type names
4592 with [*] declarators and mark them as variable size.
4593 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4594 for sizeof applied to [*] type names.
4596 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4598 PR C++/36607
4599 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4601 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4603 * gcc.c (process_command): Update copyright notice dates.
4604 * gcov.c (print_version): Likewise.
4605 * gcov-dump.c (print_version): Likewise.
4606 * mips-tfile.c (main): Likewise.
4607 * mips-tdump.c (main): Likewise.
4609 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4611 PR c/35433
4612 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4613 for composite type involving a zero-length array type.
4615 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4617 PR target/35318
4618 * function.c (match_asm_constraints_1): Skip over
4619 initial optional % in the constraint.
4621 PR inline-asm/39059
4622 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4623 supported, don't accept FIXED_CSTs.
4624 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4625 and _Sat is used without _Fract/_Accum. Set specs->type to
4626 integer_type_node for cts_fract/cts_accum if fixed point is not
4627 supported.
4629 2009-02-02 Catherine Moore <clm@codesourcery.com>
4631 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4633 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4635 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4636 (ABI_HAS_64BIT_SYMBOLS): Use it.
4637 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4639 2009-02-02 Paul Brook <paul@codesourcery.com>
4641 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4643 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4645 PR inline-asm/39058
4646 * recog.h (asm_operand_ok): Add constraints argument.
4647 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4648 recurse on matching constraint.
4649 (check_asm_operands): Pass constraints as 3rd argument to
4650 asm_operand_ok. Don't look up matching constraint here.
4651 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4652 to asm_operand_ok.
4654 2009-02-02 Ben Elliston <bje@au.ibm.com>
4656 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4657 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4659 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4661 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4662 information. Remove some obsolete information. Reorganize.
4664 * config/pa/fptr.c: Revert license to GPL 2.
4665 * config/pa/milli64.S: Likewise.
4667 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4669 PR target/38904
4670 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4671 LIBRARY name in, instead of hard-coding it.
4672 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4673 extra target make frag to tmake_files according to EH model.
4674 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4675 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4676 frags that define makefile variable EH_MODEL appropriately.
4677 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4678 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4679 to "-sjlj" according to type of EH configured.
4680 (LIBGCC_SONAME): Concatenate it to shared library base name.
4681 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4682 to "_sjlj" according to type of EH configured.
4683 (LIBGCC_SONAME): Concatenate it to shared library base name.
4684 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4685 (SHLIB_LINK): Add missing semicolon to if-else construct.
4686 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4687 string value of "pe_dll" command-line option.
4688 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4689 (SHLIB_SONAME): Use it when overriding t-cygming default.
4690 (SHLIB_IMPLIB): Override t-cygming default.
4691 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4692 string value of "pe_dll" command-line option.
4694 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4696 PR target/38952
4697 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4698 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4700 2009-01-31 Richard Guenther <rguenther@suse.de>
4702 PR tree-optimization/38937
4703 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4704 computing the transitive closure.
4706 2009-01-30 Richard Guenther <rguenther@suse.de>
4708 PR tree-optimization/39041
4709 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4710 Propagate variable indices only if the types match for this stmt.
4712 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4714 PR target/39013
4715 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4716 inline but never defined.
4718 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4720 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4721 (*insv_h_di_reg_extimm): New insn.
4722 (*insv_l<mode>_reg_extimm): New insn.
4724 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4726 * config/picochip/picochip.c (flag_conserve_stack): set
4727 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4728 fconserve-stack. Reduce call-overhead used by inliner.
4730 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4732 PR/38157
4733 * common.opt (flag_conserve_stack): Initialised to zero.
4735 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4737 PR/39002
4738 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4739 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4740 method.
4742 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4744 * ira-color.c (allocno_reload_assign): Update comments.
4745 * regmove.c (regmove_optimize): Likewise.
4747 * ra.h: Removed.
4749 2009-01-29 Robert Millan <rmh@aybabtu.com>
4751 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4752 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4753 `MD_UNWIND_SUPPORT'.
4754 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4756 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4758 PR tree-optimization/39007
4759 * tree-loop-distribution.c (generate_builtin): Use
4760 recompute_dominator to compute the immediate dominator of the
4761 basic block just after the loop.
4763 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4765 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4766 (ASM_OUTPUT_DWARF_PCREL): Define.
4768 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4770 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4771 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4772 global. Modify entries about regmove and IRA.
4774 * ra-conflict.c: Remove the file.
4776 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4778 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4779 (pass_regclass_init): Rename to pass_reginfo_init.
4781 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4783 * toplev.h (flag_ira): Remove.
4785 * caller-save.c (setup_save_areas): Remove flag_ira.
4787 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4789 * global.c: Remove the file.
4791 * opts.c (decode_options): Remove flag_ira.
4793 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4795 * regmove.c: Modify file description.
4796 (find_use_as_address, try_auto_increment): Define them only if
4797 AUTO_INC_DEC is defined.
4798 (replacement_quality, replace_in_call_usage, fixup_match_1,
4799 stable_and_no_regs_but_for_p): Remove.
4800 (reg_set_in_bb): Make it static.
4801 (regmove_optimize): Remove flag_ira and code which worked for
4802 !flag_ira.
4804 * local-alloc.c: Remove the file.
4806 * common.opt (fira): Remove.
4808 * ira.c: Include except.h.
4809 (eliminable_regset): Move from global.c.
4810 (mark_elimination): Ditto. Remove flag_ira.
4811 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4812 equiv_mem_modified, validate_equiv_mem_from_store,
4813 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4814 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4815 no_equiv, recorded_label_ref): Move from local-alloc.c.
4816 (update_equiv_regs): Ditto. Make it static.
4817 (print_insn_chain, print_insn_chains): Move it from global.c.
4818 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4819 (build_insn_chain): Ditto. Make it static.
4820 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4821 Rename to init_live_subregs.
4822 (gate_ira): Remove flag_ira.
4824 * regclass.c: Rename reginfo.c. Change file description.
4825 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4826 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4827 (init_reg_sets_1): Remove code for evaluation of
4828 reg_class_superclasses and losing_caller_save_reg_set.
4829 (init_regs): Remove init_reg_autoinc.
4830 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4831 ok_for_base_p_nonstrict): Remove.
4832 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4833 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4834 corresponding entries.
4835 (dump_regclass, record_operand_costs, scan_one_insn,
4836 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4837 record_address_regs, auto_inc_dec_reg_p): Remove.
4838 (gt-regclass.h): Rename to gt-reginfo.h.
4840 * rtl.h (dump_global_regs, retry_global_alloc,
4841 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4843 * Makefile.in (RA_H): Remove.
4844 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4845 Rename regclass.o to reginfo.o.
4846 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4847 gt-reginfo.h.
4848 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4849 (GTFILES): Rename regclass.c to reginfo.c.
4851 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4852 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4854 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4855 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4856 Remove flag_ira.
4857 (finish_spills): Ditto. Remove code for !flag_ira.
4859 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4861 PR middle-end/35854
4862 * doc/invoke.texi (rtl debug options): Complete rewrite.
4863 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4864 to auto_inc_dec".
4865 * mode-switching.c (pass_mode_switching): Rename pass from
4866 "mode-sw" to "mode_sw".
4867 * except.c (pass_convert_to_eh_ranges): Rename pass from
4868 "eh-ranges" to "eh_ranges".
4869 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4870 to "subreg1".
4873 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4874 Alexander Monakov <amonakov@ispras.ru>
4876 PR middle-end/38857
4877 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4878 register.
4879 (move_exprs_to_boundary): Change return type and pass through
4880 should_move from move_op. Relax assert. Update usage ...
4881 (schedule_expr_on_boundary): ... here. Use should_move instead of
4882 cant_move.
4883 (move_op_orig_expr_found): Indicate that insn was disconnected from
4884 stream.
4885 (code_motion_process_successors): Do not call after_merge_succs
4886 callback if original expression was not found when traversing any of
4887 the branches.
4888 (code_motion_path_driver): Change return type. Update prototype.
4889 (move_op): Update comment. Add a new parameter (should_move). Update
4890 prototype. Set *should_move based on indication provided by
4891 move_op_orig_expr_found.
4893 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4895 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4896 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4897 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4898 * config/rs6000/rs6000.c (rs6000_override_options): Default
4899 avoid-indexed-addresses on for Power6, off for everything else.
4900 (avoiding_indexed_address_p): New function.
4901 (rs6000_legitimize_address): Use it.
4902 (rs6000_legitimate_address): Likewise.
4903 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4905 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4907 PR tree-optimization/38997
4908 * tree-loop-distribution.c (generate_memset_zero): Use
4909 POINTER_PLUS_EXPR for a pointer addition.
4911 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4913 * config/s390/s390.md (bswap<mode>2): New pattern added.
4915 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4917 * config/s390/s390.md (*tls_load_31): Added type attribute.
4919 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4921 * config/s390/s390.md: Fix a few comments.
4923 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4925 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4926 (*tm<mode>_full): Fixed z10prop attribute.
4927 (*tst<mode>_extimm): Fixed z10prop attribute.
4928 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4929 (*tstqiCCT_cconly): Fixed z10prop attribute.
4930 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4931 (*movsi_larl): Fixed z10prop attribute.
4932 (*movsi_zarch): Fixed z10prop attribute.
4933 (*movsi_eas): Fixed z10prop attribute.
4934 (*movhi): Fixed z10prop attribute.
4935 (*movqi): Fixed z10prop attribute.
4936 (*movstrictqi): Fixed z10prop attribute.
4937 (*mov<mode>): Fixed z10prop attribute.
4938 (*movcc): Fixed z10prop attribute.
4939 (*sethighpartdi_64): Fixed z10prop attribute.
4940 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4941 (*negdi2_sign_cc): Fixed z10prop attribute.
4942 (*negdi2_sign): Fixed z10prop attribute.
4943 (*absdi2_sign_cc): Fixed z10prop attribute.
4944 (*absdi2_sign): Fixed z10prop attribute.
4945 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4946 (*negabsdi2_sign): Fixed z10prop attribute.
4947 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4948 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4949 (doloop_si64): Fixed z10prop attribute.
4950 (doloop_si31): Fixed z10prop attribute.
4951 (doloop_long): Fixed z10prop attribute.
4952 (indirect_jump): Fixed z10prop attribute.
4953 (nop): Fixed z10prop attribute.
4954 (main_base_64): Fixed z10prop attribute.
4955 (reload_base_64): Fixed z10prop attribute.
4957 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4959 PR rtl-optimization/38740
4960 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4961 if !optimize.
4962 * config/mips/mips.c (mips_reorg): Likewise.
4964 2009-01-28 Richard Guenther <rguenther@suse.de>
4966 PR tree-optimization/38926
4967 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4968 with the correct value id to a value.
4969 (do_regular_insertion): Use the value number of edoubleprime
4970 for the value number of the expr.
4972 Revert
4973 2008-08-21 Richard Guenther <rguenther@suse.de>
4975 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4976 a PHI ask VN if it is already available.
4977 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4978 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4980 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4982 PR middle-end/38934
4983 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4984 set to varying whenever max has TREE_OVERFLOW set, similarly
4985 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4987 2009-01-28 Richard Guenther <rguenther@suse.de>
4989 PR middle-end/38908
4990 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4991 uninitialized aggregate uses in call arguments.
4993 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4995 PR tree-optimization/38984
4996 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4997 the nothing_id variable if -fno-delete-null-pointer-checks.
4999 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5001 PR target/38988
5002 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5003 (set_got_offset_rex64): Ditto.
5005 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5007 PR target/38941
5008 * doc/extend.texi: Improve local variable with asm reg.
5010 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5012 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5013 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5014 was not supplied then set warn_packed_bitfield_compat to the
5015 default value of 1.
5016 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5017 against 1.
5019 2009-01-27 Richard Guenther <rguenther@suse.de>
5021 PR tree-optimization/38503
5022 * cfgexpand.c (expand_gimple_basic_block): Ignore
5023 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5024 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5025 variables that cannot have TBAA applied.
5026 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5027 statements.
5029 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5031 PR middle-end/38969
5032 * calls.c (initialize_argument_information): Do not wrap complex
5033 arguments in SAVE_EXPR.
5035 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5037 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5038 (INSTALL_LIBGCC): Revert typo commit.
5040 2009-01-26 Richard Guenther <rguenther@suse.de>
5042 PR tree-optimization/38745
5043 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5044 from special handling.
5046 2009-01-26 Richard Guenther <rguenther@suse.de>
5048 PR tree-optimization/38745
5049 * tree-ssa.c (execute_update_addresses_taken): Do not include
5050 variables that cannot possibly be a register in not_reg_needs.
5051 Do not clear TREE_ADDRESSABLE on vars that may not become
5052 registers.
5053 * tree-ssa.c (update_alias_info_1): Include those in the set
5054 of addressable vars.
5056 2009-01-26 Richard Guenther <rguenther@suse.de>
5058 PR middle-end/38851
5059 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5060 * tree-ssa-dse.c: Include langhooks.h
5061 (execute_simple_dse): Remove stores with zero size.
5063 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5065 PR c/38957
5066 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5067 as PLUS_EXPR.
5069 2009-01-24 Julian Brown <julian@codesourcery.com>
5071 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5072 config/arm/linux-atomic.c.
5073 * config/arm/linux-atomic.c: New.
5075 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5077 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5078 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5079 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5081 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5083 PR c/38938
5084 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5085 properly.
5087 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5089 PR tree-optimization/38953
5090 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5091 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5092 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5093 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5094 changed the CFG.
5096 2009-01-24 Paul Brook <paul@codesourcery.com>
5098 * config/arm/neon.md (neon_type): Move to arm.md.
5099 (neon_mov<VSTRUCT>): Add neon_type attribute.
5100 * config/arm/arm.md (neon_type): Move to here.
5101 (conds): Add "unconditioal" and use as default for NEON insns.
5103 2009-01-24 Ben Elliston <bje@au.ibm.com>
5105 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5106 void *' warning from -Wc++-compat.
5107 * Makefile.in (dominance.o-warn): Remove.
5109 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5111 PR tree-optimization/38932
5112 * fold-const.c (fold_unary_ignore_overflow): New.
5113 * tree.h (fold_unary_ignore_overflow): Declare.
5114 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5115 * tree-ssa-sccvn.c (visit_reference_op_load,
5116 simplify_unary_expression): Likewise.
5118 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5120 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5121 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5122 regardless of their type.
5123 * c-common.c (handle_packed_attribute): Don't ignore packed on
5124 bitfields.
5125 * c.opt (Wpacked-bitfield-compat): New warning option.
5126 * stor-layout.c (place_field): Warn if offset of a field changed.
5127 * doc/extend.texi (packed): Mention the ABI change.
5128 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5129 (Warning Options): Add it to the list.
5131 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5133 * c-opts.c (c_common_post_options): Fix a typo in comments.
5135 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5137 PR middle-end/38615
5138 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5139 variables to static.
5140 * doc/invoke.texi (-fmerge-all-constants): Update description.
5142 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5144 PR target/38931
5145 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5146 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5148 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5150 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5151 a word boundary.
5152 (LOCAL_ALIGNMENT): Similarly.
5154 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5155 Joseph Myers <joseph@codesourcery.com>
5157 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5158 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5159 * config/arm/arm-tune.md: Regenerate.
5160 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5161 -march=iwmmxt2.
5163 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5165 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5166 version number to five.
5168 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5170 PR c++/38930
5171 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5172 * c-common.c (set_underlying_type): Likewise.
5173 (is_typedef_decl ): Likewise
5174 * tree.h: Likewise
5175 (set_underlying_type): Likewise.
5176 (is_typedef_type): Likewise.
5178 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5180 PR middle-end/38587
5181 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5182 crossing setjmps.
5184 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5186 PR bootstrap/37660
5187 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5188 (LIBGCC_SPEC): Don't define.
5189 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5191 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5193 PR rtl-optimization/38879
5194 * alias.c (base_alias_check): Unaligned access via AND address can
5195 alias all surrounding object types except those with sizes equal
5196 or wider than the size of unaligned access.
5198 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5200 PR c++/26693
5201 * c-decl.c (clone_underlying_type): Move this ...
5202 * c-common.c (set_underlying_type): ... here.
5203 Also, make sure the function properly sets TYPE_STUB_DECL() on
5204 the newly created typedef variant type.
5205 (is_typedef_decl ): New entry point.
5206 * tree.h: Added a new member member_types_needing_access_check to
5207 struct tree_decl_non_common.
5208 (set_underlying_type): New entry point.
5209 (is_typedef_type): Likewise.
5211 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5213 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5214 Check whether two instructions have memory references that
5215 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5216 are helper functions for traversing.
5217 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5218 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5219 not to draw dependency edge for instructions with non-conflicting
5220 alias sets.
5222 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5224 PR other/38758
5225 * longlong.h: Update copyright years. Use soft-fp license notice.
5226 Sync __clz_tab declaration with glibc.
5228 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5230 PR target/30687
5231 * doc/extend.texi (syscall_linkage): New.
5232 (version_id): Modify.
5234 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5235 Richard Guenther <rguenther@suse.de>
5237 PR tree-optimization/38747
5238 PR tree-optimization/38748
5239 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5240 conversion if the base address is an indirect reference and the
5241 aliasing sets could cause issues.
5243 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5245 * common.opt (fgraphite, fgraphite-identity): Add comment for
5246 explaining why these options are not documented.
5248 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5250 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5251 gimple_call_lhs is NULL.
5253 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5255 PR target/38868
5256 * emit-rtl.c (adjust_address_1): Make sure memref is never
5257 overwritten.
5259 2009-01-20 Ben Elliston <bje@au.ibm.com>
5261 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5262 const qualifier from arg parameter. Remove unnecessary cast to char *.
5263 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5264 const qualifier from arg 2.
5266 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5268 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5270 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5272 PR c/38869
5273 * rtl.h (reinit_regs): New prototype.
5274 * regclass.c: Include ira.h.
5275 (reinit_regs): New.
5276 * Makefile.in (regclass.o): Add ira.h.
5277 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5279 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5281 PR target/38736
5282 * c-common.c (handle_aligned_attribute): Use
5283 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5284 default alignment value.
5286 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5288 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5289 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5291 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5292 __BIGGEST_ALIGNMENT__.
5294 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5296 2009-01-18 Richard Guenther <rguenther@suse.de>
5298 PR tree-optimization/38819
5299 * tree-flow.h (operation_could_trap_helper_p): Declare.
5300 * tree-eh.c (operation_could_trap_helper_p): Export.
5301 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5302 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5303 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5304 are about to insert a possibly trapping instruction and fail
5305 in this case.
5307 2009-01-18 Andreas Schwab <schwab@suse.de>
5309 * doc/install.texi (Configuration): Remove obsolete paragraph
5310 about use of --with-gnu-ld with --with-gnu-as.
5312 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5314 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5315 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5316 Follow spelling conventions.
5318 2009-01-18 Ben Elliston <bje@au.ibm.com>
5320 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5321 C++ warning about implicit conversion from void * to struct
5322 bitmap_head_def *.
5323 (bitmap_obstack_free): Likewise for bitmap_element *.
5324 * Makefile.in (bitmap.o-warn): Remove.
5326 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5328 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5330 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5331 Tobias Grosser <tobi.grosser@amd.com>
5333 * graphite.c (graphite_trans_scop_block): Do not block single
5334 nested loops.
5336 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5338 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5339 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5340 test with assertion.
5342 2009-01-16 Richard Guenther <rguenther@suse.de>
5344 PR tree-optimization/38835
5345 PR middle-end/36227
5346 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5347 and INT + PTR -> (INT)(PTR p+ INT) folding.
5348 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5350 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5352 PR target/38554
5353 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5354 the subreg from a lowpart subreg if it is also casting the value.
5356 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5357 Tobias Grosser <tobi.grosser@amd.com>
5359 * graphite.c (compare_prefix_loops): New.
5360 (build_scop_canonical_schedules): Rewritten.
5361 (graphite_transform_loops): Move build_scop_canonical_schedules
5362 after build_scop_iteration_domain.
5364 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5365 Tobias Grosser <tobi.grosser@amd.com>
5367 * graphite.c (add_conditions_to_domain): Add the loops to
5368 the dimension of the iteration domain. Do copy the domain
5369 only when it exists.
5370 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5371 (add_conditions_to_constraints): New.
5372 (can_generate_code_stmt, can_generate_code): Removed.
5373 (gloog): Do not call can_generate_code.
5374 (graphite_transform_loops): Call add_conditions_to_constraints
5375 after building the iteration domain.
5377 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5379 PR tree-optimization/38789
5380 * tree-ssa-threadedge.c
5381 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5382 __builtin_constant_p.
5384 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5386 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5387 examined before deleting them.
5389 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5391 * function.c (aggregate_value_p): Correctly extract the function
5392 type from CALL_EXPR_FN lookup.
5394 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5396 * config/picochip/picochip.c (picochip_override_options): Revert
5397 CFI asm flag disable commited previously.
5399 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5400 Tobias Grosser <tobi.grosser@amd.com>
5401 Jan Sjodin <jan.sjodin@amd.com>
5403 * graphite.c (scan_tree_for_params): On substractions negate
5404 all the coefficients of the term.
5405 (clast_to_gcc_expression_red): New. Handle reduction expressions
5406 of more than two operands.
5407 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5408 (get_vdef_before_scop): Handle also the case of default definitions.
5410 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5412 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5413 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5414 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5416 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5417 Joey Ye <joey.ye@intel.com>
5419 PR middle-end/37843
5420 * cfgexpand.c (expand_stack_alignment): Don't update stack
5421 boundary nor check incoming stack boundary here.
5422 (gimple_expand_cfg): Update stack boundary and check incoming
5423 stack boundary here.
5425 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5427 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5429 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5431 PR rtl-optimization/38245
5432 * calls.c (expand_call): Add stack arguments to
5433 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5434 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5435 in regs and partially in memory or BLKmode arguments.
5436 (emit_library_call_value_1): Add stack arguments to
5437 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5438 ACCUMULATE_OUTGOING_ARGS).
5439 * dce.c: Include tm_p.h.
5440 (find_call_stack_args): New function.
5441 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5442 argument.
5443 (mark_insn): Call find_call_stack_args for CALL_Ps.
5444 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5445 forwards. Allocate and free arg_stores bitmap if needed, pass it
5446 down to deletable_insn_p, don't mark stores set in arg_stores
5447 bitmap, clear the bitmap at the beginning of each bb.
5448 * Makefile.in (dce.o): Depend on $(TM_P_H).
5450 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5452 PR target/22599
5453 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5454 to make sure the insn is a conditional test (bug 22599). Reformat a
5455 few long lines.
5457 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5459 PR middle-end/38431
5460 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5461 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5462 (gloog): Do not call cleanup_tree_cfg.
5463 (graphite_transform_loops): Call cleanup_tree_cfg after all
5464 scops have been code generated.
5466 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5467 * doc/gty.texi (Invoking the garbage collector): Added new node
5468 and section documenting ggc_collect.
5470 2009-01-14 Richard Guenther <rguenther@suse.de>
5472 PR tree-optimization/38826
5473 PR middle-end/38477
5474 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5475 initialization notes only if we actually emitted a warning.
5476 (intra_create_variable_infos): Add constraints for a result decl
5477 that is passed by hidden reference.
5478 (build_pred_graph): Mark all related variables non-direct on
5479 address-taking.
5481 2009-01-14 Nick Clifton <nickc@redhat.com>
5483 * ira-conflicts.c: Include addresses.h for the definition of
5484 base_reg_class.
5485 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5486 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5488 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5490 PR target/38811
5491 * Makefile.in (ira-lives.o): Add except.h.
5493 * ira-lives.c: Include except.h.
5494 (process_bb_node_lives): Process can_throw_internal.
5496 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5498 PR rtl-optimization/38774
5499 * combine.c (simplify_set): When undoing cc_use change, don't do
5500 PUT_CODE on the newly created comparison, but instead put back the
5501 old comparison.
5503 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5505 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5506 values. Remove duplicate arm8 entry.
5508 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5510 PR tree-optimization/38786
5511 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5512 the SSA_NAME case of expand_scalar_variables_expr.
5513 Set the type of an expression to the type of its assign statement.
5514 (expand_scalar_variables_expr): Also gather the scalar computation
5515 used to index the memory access. Do not pass loop_p.
5516 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5517 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5518 the gimple_stmt_iterator where it inserts new code.
5519 Do not pass loop_p.
5520 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5521 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5523 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5525 * graphite.h (debug_value): Removed.
5526 * graphite.c (debug_value): Removed.
5528 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5530 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5531 ldrd/strd with two 32-bit instructions.
5533 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5535 * config/arm/arm.c (struct processors): Pass for speed down into
5536 cost helper functions.
5537 (const_ok_for_op): Handle COMPARE and inequality nodes.
5538 (arm_rtx_costs_1): Rewrite.
5539 (arm_size_rtx_costs): Update prototype.
5540 (arm_rtx_costs): Pass speed down to helper functions.
5541 (arm_slowmul_rtx_costs): Rework cost calculations.
5542 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5543 (arm_9e_rtx_costs): Likewise.
5545 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5547 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5548 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5549 (alpha_legitimize_address): Do not split local symbols wider than
5550 UNITS_PER_WORD into HIGH/LO_SUM parts.
5552 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5554 PR bootstrap/38580
5555 * gcc.c (process_command): Replace call to execvp with calls
5556 to pex_one and exit.
5558 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5560 PR target/29141
5561 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5562 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5563 variant for devices with 3-byte PC.
5564 (__tablejump_elpm__): New.
5566 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5568 PR c/32041
5569 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5570 offsetof member-designator, handle it as `[0].'.
5572 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5574 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5575 function when not using named sections on targets with named sections
5576 if branch distance is less than 262132.
5578 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5580 * combine.c (combine_instructions): Recompute
5581 optimize_this_for_speed_p for each BB in the main combine loop.
5583 2009-01-12 Tomas Bily <tbily@suse.cz>
5585 PR middlend/38385
5586 * tree-loop-distribution.c (prop_phis): New function.
5587 (generate_builtin): Call prop_phis.
5588 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5590 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5592 PR tree-optimization/38807
5593 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5594 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5596 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5598 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5599 subreg of op0 to the original op0.
5601 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5603 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5605 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5607 PR debug/7055
5608 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5609 starting with digits.
5611 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5613 PR target/38695
5614 * config/arm/arm.c (arm_is_long_call_p): Don't call
5615 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5617 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5619 * regrename.c (regrename_optimize): Fix dumping.
5620 (find_oldest_value_reg): Preserve REG_POINTER.
5621 (copy_hardreg_forward_1): Likewise.
5623 2009-01-09 Diego Novillo <dnovillo@google.com>
5625 * gimple.h (struct gimple_statement_base) <uid>: Document
5626 the restrictions on its use.
5627 (gimple_uid): Tidy.
5628 (gimple_set_uid): Tidy.
5630 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5632 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5633 zero guard even if align_bytes != 0 and count is smaller than
5634 size_needed.
5636 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5638 PR rtl-optimization/38495
5639 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5640 (add_range_and_copies_from_move_list): Print all added ranges.
5641 Add ranges to memory optimized destination.
5643 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5645 PR target/38686
5646 PR target/38708
5647 * config/i386/i386.c (override_options): Reject
5648 -mstringop-strategy=rep_8byte with -m32.
5649 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5650 to 1. Do count comparison against epilogue_size_needed at compile
5651 time even when count_exp was constant forced into register. For
5652 size_needed don't jump to epilogue, instead just avoid aligning
5653 and invoke the body algorithm. If need_zero_guard, add zero guard
5654 even if count is non-zero, but smaller than size_needed + number of
5655 bytes that could be stored for alignment.
5656 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5657 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5658 but smaller than size_needed + number of bytes that could be stored
5659 for alignment. Compare size_needed with epilogue_size_needed instead
5660 of desired_align - align, don't adjust size_needed, pass
5661 epilogue_size_needed to the epilogue expanders.
5663 PR c/35742
5664 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5666 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5668 * pa.c (last_address): Change to unsigned.
5669 (update_total_code_bytes): Change argument to unsigned. Don't
5670 check if insn addresses are set.
5671 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5672 addresses are not set.
5673 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5675 2009-01-09 Nick Clifton <nickc@redhat.com>
5677 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5678 DECL_DECLARED_INLINE_P.
5680 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5682 PR middle-end/38347
5683 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5684 GET_MODE (op0) in operand_subword_force calls.
5686 PR middle-end/38771
5687 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5688 fold_convert arg0 operands to TREE_TYPE (op0) first.
5690 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5692 * params.def (ira-max-conflict-table-size): Decrease default value
5693 to 1000.
5695 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5697 PR tree-optimization/37031
5698 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5699 on parameter_set.
5700 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5701 allocate it using gc instead of heap, use VEC_quick_push instead of
5702 VEC_safe_push.
5703 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5704 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5705 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5706 allocated vector from heap allocated.
5707 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5708 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5709 vector only after perfect_loop_nest_depth call.
5711 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5712 Jan Sjodin <jan.sjodin@amd.com>
5714 PR tree-optimization/38559
5715 * graphite.c (debug_value, copy_constraint,
5716 swap_constraint_variables, scale_constraint_variable, ): New.
5717 (get_lower_bound, get_upper_bound): Removed.
5718 (graphite_trans_bb_strip_mine): Clean up this code that works
5719 only for constant number of iterations. Fully copy upper and
5720 lower bound constraints, not only the constant part of them.
5721 * graphite.h (debug_value): Declared.
5723 2009-01-08 Ira Rosen <irar@il.ibm.com>
5725 PR tree-optimization/37194
5726 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5727 Don't add the cost of cost model guard in prologue to scalar
5728 outside cost in case of known number of iterations.
5730 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5731 Alan Modra <amodra@bigpond.net.au>
5733 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5734 non-word-aligned REG+CONST addressing.
5736 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5738 PR target/38706
5739 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5740 free_after_compilation when outputting a thunk.
5741 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5742 Do not call free_after_compilation here.
5744 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5746 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5747 (ix86_valid_target_attribute_inner_p): Ditto.
5749 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5751 PR tree-optimization/38492
5752 PR tree-optimization/38498
5753 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5754 * tree-chrec.h (scev_is_linear_expression): Declared.
5755 * graphite.c (graphite_cannot_represent_loop_niter): New.
5756 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5757 (graphite_loop_normal_form): Use gcc_assert.
5758 (scan_tree_for_params): Use CASE_CONVERT.
5759 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5760 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5761 Use gcc_assert. Discard scops that contain unhandled cases.
5762 (build_scop_conditions): Return a boolean status for unhandled cases.
5763 (strip_mine_profitable_p): Print the loop number, not its depth.
5764 (is_interchange_valid): Pass the depth of the loop nest, don't
5765 recompute it wrongly.
5766 (graphite_trans_bb_block): Same.
5767 (graphite_trans_bb_block): Print tentative of loop blocking.
5768 (graphite_trans_scop_block): Do not print that the loop has been
5769 blocked.
5770 (graphite_transform_loops): Do not handle scops that contain condition
5771 scalar phi nodes.
5773 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5775 AVX Programming Reference (December, 2008)
5776 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5777 (_mm256_stream_pd): Likewise.
5778 (_mm256_stream_ps): Likewise.
5780 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5781 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5782 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5783 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5784 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5785 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5786 (ix86_expand_special_args_builtin): Likewise.
5788 * config/i386/sse.md (AVXMODEDI): New.
5789 (avx_movnt<mode>): Likewise.
5790 (avx_movnt<mode>): Likewise.
5791 (<sse>_movnt<mode>): Remove AVX support.
5792 (sse2_movntv2di): Likewise.
5794 2009-01-07 Richard Guenther <rguenther@suse.de>
5796 PR middle-end/38751
5797 * fold-const.c (extract_muldiv): Remove obsolete comment.
5798 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5799 to PLUS_EXPR canonicalization for the canonicalization.
5801 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5803 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5804 hosted cross-compilers generating less efficient code.
5806 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5808 * function.h (rtl_data): Add a dbr_scheduled_p field.
5809 * reorg.c (dbr_schedule): Set it.
5810 (gate_handle_delay_slots): Check it.
5811 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5812 (mips_reorg): Check flag_delayed_branch instead of
5813 mips_base_delayed_branch.
5814 (mips_override_options): Don't set mips_base_delayed_branch
5815 or flag_delayed_branch.
5817 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5819 PR rtl-optimization/38426.
5820 * ira.c (ira): Set current_function_is_leaf earlier.
5822 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5824 PR rtl-optimization/38722
5825 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5826 too early, only set a flag and modify after last possible
5827 undo_all point.
5829 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5831 PR c/34252
5832 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5833 * real.c (decimal_single_format): Correct values of emin and emax.
5834 (decimal_double_format): Ditto.
5835 (decimal_quad_format): Ditto.
5836 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5837 computation of DECnn_MIN and DECnn_MAX for corrected values of
5838 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5839 __DECnn_MIN__, and adjust its computation for the corrected value
5840 of emin.
5842 2009-01-06 Jan Hubicka <jh@suse.cz>
5844 PR target/38744
5845 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5847 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5849 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5850 Add Robert Clark to the list of testers.
5852 2009-01-06 Jan Hubicka <jh@suse.cz>
5853 Kai Tietz <kai.tietz@onevision.com>
5855 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5856 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5858 2009-01-06 Jan Hubicka <jh@suse.cz>
5859 Kai Tietz <kai.tietz@onevision.com>
5861 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5862 for w64 ABI.
5863 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5864 (ix86_nsaved_regs): Count only general purpose regs.
5865 (ix86_nsaved_sseregs): New.
5866 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5867 to 16 for w64; compute padding and size of sse reg save area.
5868 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5869 general purpose regs.
5870 (ix86_emit_save_sse_regs_using_mov): New.
5871 (ix86_expand_prologue): Save SSE regs if needed.
5872 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5873 (ix86_emit_restore_sse_regs_using_mov): New.
5874 (ix86_expand_epilogue): Save SSE regs if needed.
5876 2009-01-06 Jan Hubicka <jh@suse.cz>
5877 Kai Tietz <kai.tietz@onevision.com>
5879 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5880 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5881 functions when accumulate outgoing args is off.
5883 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5885 PR bootstrap/38742
5886 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5887 before using pseudos_have_intersected_live_ranges_p.
5889 * ira-int.h (ira_assert): Always define.
5891 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5893 AVX Programming Reference (December, 2008)
5894 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5895 (_mm256_permute2_pd): Likewise.
5896 (_mm_permute2_ps): Likewise.
5897 (_mm256_permute2_ps): Likewise.
5898 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5899 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5901 * config/i386/i386.c (ix86_builtins): Remove
5902 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5903 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5904 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5905 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5906 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5907 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5908 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5909 __builtin_ia32_vpermil2ps256.
5910 (ix86_init_mmx_sse_builtins): Updated.
5911 (ix86_expand_args_builtin): Likewise.
5913 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5915 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5916 long absolute calls when generating PA 2.0 code.
5918 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5920 PR rtl-optimization/38583
5921 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5923 * params.def (ira-max-conflict-table-size): New.
5925 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5927 * ira.h (ira_conflicts_p): New external definition.
5929 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5930 table. Report this. Return result of building.
5931 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5932 building conflict table.
5934 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5935 (ira_color): Use ira_conflicts_p.
5937 * global.c: Include ira.h.
5938 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5939 ira_conflicts_p.
5941 * Makefile.in (global.o): Add ira.h.
5943 * ira-build.c (mark_all_loops_for_removal,
5944 propagate_some_info_from_allocno): New.
5945 (remove_unnecessary_allocnos): Call
5946 propagate_some_info_from_allocno.
5947 (remove_low_level_allocnos): New.
5948 (remove_unnecessary_regions): Add parameter. Call
5949 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5950 parameter to remove_unnecessary_regions.
5951 (ira_build): Remove all regions but root if the conflict table was
5952 not built. Update conflict hard regs for allocnos crossing calls.
5954 * ira.c (ira_conflicts_p): New global.
5955 (ira): Define and use ira_conflicts_p.
5957 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5958 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5959 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5961 2009-01-06 Ben Elliston <bje@au.ibm.com>
5963 * gengtype-lex.l (YY_NO_INPUT): Define.
5965 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5967 PR c/34911
5968 * c-common.c (handle_vector_size_attribute): Also reject
5969 BOOLEAN_TYPE types.
5971 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5973 PR tree-optimization/38492
5974 * graphite.c (rename_map_elt, debug_rename_elt,
5975 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5976 rename_map_elt_info, eq_rename_map_elts,
5977 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5978 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5979 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5980 (sese_build_livein_liveouts): New.
5981 (new_sese, free_sese): New.
5982 (new_scop): Call new_sese.
5983 (free_scop): Call free_sese.
5984 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5985 (register_old_new_names): Renamed register_old_and_new_names.
5986 (register_scop_liveout_renames, add_loop_exit_phis,
5987 insert_loop_close_phis, struct igp,
5988 default_liveout_before_guard, add_guard_exit_phis,
5989 insert_guard_phis, copy_renames): New.
5990 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5991 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5992 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5993 (scop_adjust_phis_for_liveouts): New.
5994 (gloog): Call scop_adjust_phis_for_liveouts.
5996 * graphite.h (struct sese): Documented. Added fields liveout,
5997 num_ver and livein.
5998 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5999 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6000 (struct scop): Added field liveout_renames.
6001 (SCOP_LIVEOUT_RENAMES): New.
6003 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6005 PR tree-optimization/38510
6006 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6007 (translate_clast): Call recompute_all_dominators before
6008 graphite_verify.
6009 (gloog): Call recompute_all_dominators before graphite_verify.
6011 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6012 Jan Sjodin <jan.sjodin@amd.com>
6014 PR tree-optimization/38500
6015 * graphite.c (create_sese_edges): Call fix_loop_structure after
6016 splitting blocks.
6018 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6020 * config.gcc: Add m32r*-*-rtems*.
6021 * config/m32r/rtems.h: New file.
6023 2009-01-05 Ben Elliston <bje@au.ibm.com>
6025 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6026 (.po.pox): Likewise.
6027 (po/gcc.pot): Likewise.
6029 2009-01-04 David S. Miller <davem@davemloft.net>
6031 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6032 (STARTING_FRAME_OFFSET): Always set to zero.
6034 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6036 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6037 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6038 fixed-point types, and vectors of the same.
6040 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6042 * config/mips/sync.md (*mb_barrier): Rename to...
6043 (*memory_barrier): ...this.
6045 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6047 * doc/extend.texi (Function Attributes): Move @cindex after @item
6048 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6049 and put in alphabetical order. Fix 'target' name and put in order.
6050 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6051 typos.
6053 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6055 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6056 (memory_barrier): Expand as unspec instead of unspec_volatile.
6057 Remove mem:BLK from insn operands. Use Pmode scratch register.
6058 (*memory_barrier): Define as unspec instead of unspec_volatile.
6059 Use (match_dup 0) as input operand.
6061 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6062 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6063 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6064 scratch register. Remove operand 1.
6065 (*stbar): Define as unspec instead of unspec_volatile.
6066 Use (match_dup 0) as input operand, remove (const_int 8).
6067 (*membar): Define as unspec instead of unspec_volatile.
6068 Use (match_dup 0) as input operand, remove input operand 2.
6070 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6071 (memory_barrier): Expand as unspec instead of unspec_volatile.
6072 Remove mem:BLK from insn operands. Use Pmode scratch register.
6073 (*memory_barrier): Define as unspec instead of unspec_volatile.
6074 Use (match_dup 0) as input operand.
6076 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6077 Remove mem:BLK from insn operands. Use Pmode scratch register.
6078 Set volatile flag on operand 0.
6079 (*memory_barrier): New insn pattern.
6081 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6082 insn operands.
6083 (*memory_barrier): Use (match_dup 0) as input operand.
6085 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6086 Remove mem:BLK from insn operands. Use Pmode scratch register.
6087 Set volatile flag on operand 0.
6088 (*mb_internal): New insn pattern.
6090 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6092 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6094 PR middle-end/38586
6095 * function.c (struct temp_slot): Move to the section of the file
6096 that deals with temp slots. Remove field 'address'.
6097 (temp_slot_address_table): New hash table of address -> temp slot.
6098 (struct temp_slot_address_entry): New struct, items for the table.
6099 (temp_slot_address_compute_hash, temp_slot_address_hash,
6100 temp_slot_address_eq, insert_temp_slot_address): Support functions
6101 for the new table.
6102 (find_temp_slot_from_address): Rewrite to use the new hash table.
6103 (remove_unused_temp_slot_addresses): Remove addresses of temp
6104 slots that have been made available.
6105 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6106 worker function for remove_unused_temp_slot_addresses.
6107 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6108 Add the temp slot address to the address -> temp slot map.
6109 (update_temp_slot_address): Update via insert_temp_slot_address.
6110 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6111 (pop_temp_slots): Likewise.
6112 (init_temp_slots): Allocate the address -> temp slot map, or empty
6113 the map if it is already allocated.
6114 (prepare_function_start): Initialize temp slot processing.
6116 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6118 PR middle-end/38584
6119 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6120 Calculate the size of all stack vars assuming no packing of stack
6121 vars will happen, replacing a quadratic algorithm with a linear one.
6123 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6125 PR target/38707
6126 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6127 can't be used.
6129 2009-01-03 Diego Novillo <dnovillo@google.com>
6131 * doc/contrib.texi: Update contributions.
6133 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6135 PR c++/38705
6136 * builtins.c (fold_builtin_memory_op): Give up if either operand
6137 is volatile. Set srctype or desttype to non-qualified version
6138 of the other type.
6140 PR c/38700
6141 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6142 and FUNCTION_DECLs.
6144 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6146 PR rtl-optimization/35805
6147 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6148 problem if fast dce is able to remove any instructions.
6149 * dce.c (dce_process_block): Fix dump message.
6151 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6153 PR 33649
6154 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6156 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6158 PR middle-end/38690
6159 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6160 * tree-pretty-print.c (op_code_prio): New function.
6161 (op_prio): No longer static. Use op_code_prio.
6162 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6163 Use op_prio and op_code_prio to determine if () should be
6164 printed around operand(s) or not.
6166 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6167 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6168 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6169 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6170 pp_character instead of pp_string for single letter printing.
6172 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6174 * doc/extend.texi: Fix '#pragma GCC option' typo.
6176 2009-01-02 Richard Guenther <rguenther@suse.de>
6178 * doc/install.texi (--enable-checking): Mention different
6179 default for stage1.
6180 (--enable-stage1-checking): Document.
6182 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6184 PR middle-end/30142
6185 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6186 case to be an error.
6188 2009-01-02 Ben Elliston <bje@au.ibm.com>
6190 * config/fp-bit.h (pack_d): Constify argument.
6191 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6192 (isnan): Constify argument.
6193 (isinf): Likewise.
6194 (iszero): Likewise.
6195 (pack_d): Likewise.
6196 (_fpadd_parts): Constify return type.
6197 (_fpmul_parts): Likewise.
6198 (_fpdiv_parts): Likewise.
6200 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6202 PR c/36489
6203 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6204 warn about overwriting initializer with side-effects or
6205 -Woverride-init if !IMPLICIT.
6206 (output_init_element): Likewise. Pass IMPLICIT down to
6207 add_pending_init.
6208 (process_init_element): Add IMPLICIT argument. Pass it down
6209 to output_init_element.
6210 (push_init_element, pop_init_level, set_designator): Adjust
6211 process_init_element callers.
6212 (set_nonincremental_init, set_nonincremental_init_from_string):
6213 Adjust add_pending_init callers.
6214 (output_pending_init_elements): Adjust output_init_element callers.
6215 * c-tree.h (process_init_element): Adjust prototype.
6216 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6217 process_init_element callers.