1 2009-04-09 Jan Hubicka <jh@suse.cz>
3 * except.c (find_prev_try): Break out from ....
4 (duplicate_eh_regions): ... here; properly update prev_try pointers
5 when duplication part of tree.
6 (dump_eh_tree): Improve dumping.
7 (verify_eh_region): New.
8 (verify_eh_tree): Use it.
10 2009-04-06 Richard Guenther <rguenther@suse.de>
12 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
13 &ARRAY addresses by adjusting their types and prepending
15 * tree-cfg.c (verify_gimple_assign_single): Verify that
16 addresses are correct.
18 2009-04-09 Richard Guenther <rguenther@suse.de>
20 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
21 indices into an array reference if possible.
22 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
23 Fold POINTER_PLUS_EXPR statements with invariant address.
25 2009-04-09 Alan Modra <amodra@bigpond.net.au>
28 * config.gcc (powerpc64-*-linux*): Always build biarch.
30 2009-04-09 Joseph Myers <joseph@codesourcery.com>
33 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
34 it and pedwarn if this results in an INTEGER_CST.
36 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
38 * doc/install.texi: Update minimum GMP version. Remove obsolete
41 2009-04-08 Jakub Jelinek <jakub@redhat.com>
43 * dwarf2out.c (class_scope_p): New static inline.
44 (class_or_namespace_scope_p): Use it.
45 (gen_variable_die): Use DW_TAG_member tag for static data member
46 declarations instead of DW_TAG_variable.
49 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
52 2009-04-08 Richard Guenther <rguenther@suse.de>
54 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
57 2009-04-08 David Edelsohn <edelsohn@gnu.org>
59 * config.gcc (aix tm_file): Add aix-stdint.h.
60 (aix tm clause use_gcc_stdint): Set to wrap.
61 * config/rs6000/aix-stdint.h: New file.
63 2009-04-08 Richard Guenther <rguenther@suse.de>
66 * tree-dfa.c (add_referenced_var): Do not recurse into
68 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
70 (fold_const_aggregate_ref): Likewise.
72 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
74 * recog.c (ordered_comparison_operator): New.
75 * gensupport.c (std_preds): Add it.
76 * doc/md.texi (Machine-Independent Predicates): Document it.
78 2009-04-08 Jan Hubicka <jh@suse.cz>
80 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
81 * function.h (rtl_eh): Remove exception_handler_label_map.
82 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
83 remove_exception_handler_label, for_each_eh_label_1): Remove.
84 (rtl_remove_unreachable_regions): Remove.
85 (convert_from_eh_region_ranges): Do not remove unreachable regions.
86 (find_exception_handler_labels): Don't build the hashtable.
87 (maybe_remove_eh_handler): Remove.
88 (for_each_eh_label): Rewrite to walk the tree.
89 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
90 * except.h (maybe_remove_eh_handler): Remove.
91 * passes.c (init_optimization_passes): Schedule second EH cleanup
93 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
94 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
96 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
98 * genoutput.c (validate_optab_operands): New.
99 (gen_insn, gen_expand): Call it.
101 * genflags.c (gen_insn): Detect misused iterators.
102 (main): Pass line_no to gen_insn, exit with status 1 on error.
104 * genextract.c (line_no): Make global.
105 (VEC_safe_set_locstr): Change assertion to error message.
106 (main): Exit with status 1 on error.
108 2009-04-08 Joseph Myers <joseph@codesourcery.com>
112 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
113 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
114 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
115 * c-convert.c (convert): Do not call fold on results of conversion
116 functions when the result is a C_MAYBE_CONST_EXPR.
117 * c-parser.c (c_parser_postfix_expression): Do not fold condition
118 of __builtin_choose_expr.
119 * c-typeck.c (remove_c_maybe_const_expr): New.
120 (build_unary_op, build_conditional_expr, build_compound_expr,
121 build_binary_op, c_objc_common_truthvalue_conversion): Call
122 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
125 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
127 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
128 CODE to produce a new one. Add a prototype to use fold_convert_const
130 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
133 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
134 mix declarations and code.
136 2009-04-08 Ben Elliston <bje@au.ibm.com>
138 * gcc.c: Replace `CC' with `GCC' throughout.
140 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
142 * doc/invoke.texi: Document Atom support.
144 2009-04-07 Jason Merrill <jason@redhat.com>
147 * c-common.h, c-common.c: Add flag_pretty_templates.
148 * c-opts.c (c_common_handle_option): Set it.
149 * c.opt: Add -fno-pretty-templates.
150 * doc/invoke.texi (C++ Dialect Options): Likewise.
152 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
154 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
155 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
156 (ia64_expand_builtin): Likewise.
158 2009-04-07 Martin Jambor <mjambor@suse.cz>
160 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
161 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
162 ADDR_EXPRS are include too.
164 2009-04-07 Richard Guenther <rguenther@suse.de>
166 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
167 decls are only used if passes as parameters or if they are
168 local statics and the call is not to a builtin.
169 (call_may_clobber_ref_p_1): Likewise.
171 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
173 * expr.c (do_store_flag): Remove last argument. Simplify code
174 to avoid duplication of tests already done by can_compare_p.
175 (expand_expr_real_1): Adjust caller.
177 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
179 * optabs.c (can_compare_p): Test the predicate of a
180 cbranch and cstore pattern.
182 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
184 * expr.c (convert_move): Use emit_store_flag instead of
187 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
189 * config/i386/i386.c (ix86_compare_emitted): Remove.
190 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
191 ix86_compare_op0 like ix86_compare_emitted used to be handled.
192 * config/i386/i386.h (ix86_compare_emitted): Remove.
193 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
194 instead of ix86_compare_emitted.
195 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
197 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
199 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
200 Add t-sysroot-suffix to tmake_file.
201 * config/print-sysroot-suffix.sh: New file.
202 * config/t-sysroot-suffix: New file.
204 2009-04-07 Ben Elliston <bje@au.ibm.com>
206 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
207 as the latter produces a warning when the target does not support
210 2009-04-07 Ben Elliston <bje@au.ibm.com>
212 * dfp.c: Replace type punning assignments with memcpy throughout.
213 * Makefile.in (dfp.o-warn): Remove.
215 2009-04-07 Alan Modra <amodra@bigpond.net.au>
218 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
219 Include soft-fp/t-softfp after rs6000/t-linux64.
221 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
223 * stor-layout.c (set_sizetype): Use the full precision of their
224 machine mode for bitsize types.
226 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
228 * config/i386/i386.md: Revert 2 accidental checkins.
230 2009-04-06 Joey Ye <joey.ye@intel.com>
231 Xuepeng Guo <xuepeng.guo@intel.com>
232 H.J. Lu <hongjiu.lu@intel.com>
234 Atom pipeline model, tuning and insn selection.
235 * config.gcc (atom): Add atom config options and target.
237 * config/i386/atom.md: New.
239 * config/i386/i386.c (atom_cost): New cost.
240 (m_ATOM): New macro flag.
241 (initial_ix86_tune_features): Set m_ATOM.
242 (x86_accumulate_outgoing_args): Likewise.
243 (x86_arch_always_fancy_math_387): Likewise.
244 (processor_target): Add Atom cost.
245 (cpu_names): Add Atom cpu name.
246 (override_options): Set Atom ISA.
247 (ix86_issue_rate): New case PROCESSOR_ATOM.
248 (ix86_adjust_cost): Likewise.
250 * config/i386/i386.h (TARGET_ATOM): New target macro.
251 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
252 (TARGET_OPT_AGU): New target option.
253 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
254 (processor_type): Add PROCESSOR_ATOM.
256 * config/i386/i386.md (cpu): Add new value "atom".
257 (use_carry, movu): New attr.
258 (atom.md): Include atom.md.
259 (adddi3_carry_rex64): Set attr "use_carry".
260 (addqi3_carry): Likewise.
261 (addhi3_carry): Likewise.
262 (addsi3_carry): Likewise.
263 (*addsi3_carry_zext): Likewise.
264 (subdi3_carry_rex64): Likewise.
265 (subqi3_carry): Likewise.
266 (subhi3_carry): Likewise.
267 (subsi3_carry): Likewise.
268 (x86_movdicc_0_m1_rex64): Likewise.
269 (*x86_movdicc_0_m1_se): Likewise.
270 (x86_movsicc_0_m1): Likewise.
271 (*x86_movsicc_0_m1_se): Likewise.
272 (*adddi_1_rex64): Emit add insn as much as possible.
273 (*addsi_1): Likewise.
274 (return_internal): Set atom_unit.
275 (return_internal_long): Likewise.
276 (return_pop_internal): Likewise.
277 (*rcpsf2_sse): Set atom_sse_attr attr.
278 (*qrt<mode>2_sse): Likewise.
279 (*prefetch_sse): Likewise.
281 * config/i386/i386-c.c (ix86_target_macros_internal): New case
283 (ix86_target_macros_internal): Likewise.
285 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
286 (*prefetch_sse_rex): Likewise.
287 (sse_rcpv4sf2): Likewise.
288 (sse_vmrcpv4sf2): Likewise.
289 (sse_sqrtv4sf2): Likewise.
290 (<sse>_vmsqrt<mode>2): Likewise.
291 (sse_ldmxcsr): Likewise.
292 (sse_stmxcsr): Likewise.
293 (*sse_sfence): Likewise.
294 (sse2_clflush): Likewise.
295 (*sse2_mfence): Likewise.
296 (*sse2_lfence): Likewise.
297 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
298 (<sse>_movup<ssemodesuffixf2c>): Likewise.
299 (avx_movdqu<avxmodesuffix>): Likewise.
300 (avx_lddqu<avxmodesuffix>): Likewise.
301 (sse2_movntv2di): Change attr "type" to "ssemov".
302 (sse2_movntsi): Likewise.
303 (rsqrtv8sf2): Change attr "type" to "sseadd".
304 (sse3_addsubv2df3): Set attr "atom_unit".
305 (sse3_h<plusminus_insn>v4sf3): Likewise.
306 (*sse2_pmaddwd): Likewise.
307 (*vec_extractv2di_1_rex64): Likewise.
308 (*vec_extractv2di_1_avx): Likewise.
309 (sse2_psadbw): Likewise.
310 (ssse3_phaddwv8hi3): Likewise.
311 (ssse3_phaddwv4hi3): Likewise.
312 (ssse3_phadddv4si3): Likewise.
313 (ssse3_phadddv2si3): Likewise.
314 (ssse3_phaddswv8hi3): Likewise.
315 (ssse3_phaddswv4hi3): Likewise.
316 (ssse3_phsubwv8hi3): Likewise.
317 (ssse3_phsubwv4hi3): Likewise.
318 (ssse3_phsubdv4si3): Likewise.
319 (ssse3_phsubdv2si3): Likewise.
320 (ssse3_phsubswv8hi3): Likewise.
321 (ssse3_phsubswv4hi3): Likewise.
322 (ssse3_pmaddubsw128): Likewise.
323 (sse3_pmaddubsw: Likewise.
324 (ssse3_palignrti): Likewise.
325 (ssse3_palignrdi): Likewise.
327 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
329 * doc/install.texi (Specific): Fix two cross-references to MinGW.
331 2009-04-06 Richard Guenther <rguenther@suse.de>
333 PR tree-optimization/28868
334 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
335 of which PHI results we inserted.
336 (insert_into_preds_of_block): Record inserted PHIs.
337 (eliminate): Eliminate redundant PHI nodes.
338 (init_pre): Init inserted_phi_names.
340 2009-04-06 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/39643
343 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
344 IMAGPART_EXPRs of complex constants.
345 (execute_fold_all_builtins): If we folded a call queue
346 TODO_update_address_taken.
348 2009-04-06 Jan Hubicka <jh@suse.cz>
351 * except.c (remove_unreachable_regions): Propagate may_contain_throw
354 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
356 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
358 (ic_invalidate_array): Likewise.
360 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
362 * calls.c (emit_library_call_value_1): Fix a problem with parameter
363 alignment for library calls.
365 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
367 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
368 (mingw32 tm clause use_gcc_stdint): Set to wrap.
369 * config/i386/mingw-stdint.h: New file.
371 2009-04-05 Richard Guenther <rguenther@suse.de>
373 PR tree-optimization/39648
374 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
375 our &A vs. &A[0] IL deficiencies.
377 2009-04-04 Jan Hubicka <jh@suse.cz>
379 * except.c (sjlj_find_directly_reachable_regions): Be ready for
380 removed toplevel regions.
381 (sjlj_mark_call_sites): Likewise.
383 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
385 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
386 (cygwin tm clause use_gcc_stdint): Set to wrap.
387 * config/i386/cygwin-stdint.h: New file.
389 2009-04-04 Richard Guenther <rguenther@suse.de>
391 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
392 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
393 single-argument PHIs if we are in loop-closed SSA form.
394 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
395 for the pre-condition.
396 (slpeel_tree_peel_loop_to_edge): Likewise.
397 (vect_build_loop_niters): Take an optional sequence to append stmts.
398 (vect_generate_tmps_on_preheader): Likewise.
399 (vect_do_peeling_for_loop_bound): Take extra guards for the
401 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
402 the cost model check.
403 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
404 guards if we are going to peel. Do not apply versioning in that
406 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
407 (vect_do_peeling_for_loop_bound): Likewise.
408 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
409 loop bound only record extra pre-conditions, do not apply loop
412 2009-04-04 Richard Guenther <rguenther@suse.de>
414 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
417 2009-04-04 Jan Hubicka <jh@suse.cz>
419 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
420 last_basic_block for size of bb->index indexed array.
421 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
422 compute_out, link_btr_uses, build_btr_def_use_webs,
423 build_btr_def_use_webs, migrate_btr_defs): Likewise.
425 2009-04-04 Jan Hubicka <jh@suse.cz>
427 * except.c (remove_eh_handler_and_replace): Break out from ...
428 (remove_eh_handler): ... here.
429 (bring_to_root): New function.
430 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
431 handled ones, bring others to root of tree.
433 2009-04-04 Jan Hubicka <jh@suse.cz>
435 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
436 (all_phis_safe_to_merge): New function.
437 (update_info): New structure.
438 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
439 (cleanup_empty_eh): Update SSA if possible.
441 2009-04-04 Richard Guenther <rguenther@suse.de>
443 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
444 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
445 (append_vuse): Likewise.
447 2009-04-04 Jakub Jelinek <jakub@redhat.com>
449 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
450 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
451 instead of REG_UNSAVED for DW_CFA_undefined.
452 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
453 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
456 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
459 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
460 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
461 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
463 2009-04-04 Richard Guenther <rguenther@suse.de>
465 PR tree-optimization/8781
466 PR tree-optimization/37892
467 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
468 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
469 (valueize_refs): Call it for *& valueizations.
470 (shared_reference_ops_from_ref): Rename to ...
471 (valueize_shared_reference_ops_from_ref): ... this and valueize.
472 (shared_reference_ops_from_call): Rename to ...
473 (valueize_shared_reference_ops_from_call): ... this and valueize.
474 (vn_reference_lookup): Update.
475 (visit_reference_op_call): Likewise.
476 * tree-ssa-pre.c (phi_translate_1): Fold *&.
477 (eliminate): Value-replace the call address in call statements.
479 2009-04-04 Richard Guenther <rguenther@suse.de>
481 PR tree-optimization/39636
482 * tree-ssa-forwprop.c
483 (forward_propagate_addr_into_variable_array_index): Check for
484 GIMPLE_ASSIGN before accessing the rhs code.
486 2009-04-03 Jason Merrill <jason@redhat.com>
488 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
490 2009-04-03 Steve Ellcey <sje@cup.hp.com>
492 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
493 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
494 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
495 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
496 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
497 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
498 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
499 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
500 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
501 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
502 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
503 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
504 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
505 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
506 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
507 Use fr_reg_or_fp01_operand instead of fr_register_operand
509 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
510 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
511 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
513 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
515 PR rtl-optimization/39607
516 PR rtl-optimization/39631
518 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
519 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
520 instead of DF_LR_OUT.
521 * ira-lives.c (process_bb_node_lives): Ditto.
522 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
523 instead of DF_LR_{OUT,IN}.
524 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
525 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
527 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
529 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
530 (execute_lower_omp): Always run but take the short way out if -fopenmp
532 (gate_lower_omp): Remove, forcing the pass manager to always run the
533 pass and always set PROP_gimple_lomp.
534 (pass_lower_omp): Remove gate function.
535 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
536 PROP_trees. Instead, require it.
537 * ipa-cp.c (pass_ipa_cp): Likewise.
538 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
539 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
540 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
543 2009-04-03 Richard Guenther <rguenther@suse.de>
546 PR tree-optimization/23940
547 PR tree-optimization/33237
550 PR tree-optimization/36201
551 PR tree-optimization/36230
552 PR tree-optimization/38049
553 PR tree-optimization/38207
554 PR tree-optimization/38230
555 PR tree-optimization/38301
556 PR tree-optimization/38585
558 PR tree-optimization/38985
559 PR tree-optimization/39299
560 * tree-ssa-structalias.h: Remove.
561 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
562 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
563 (struct vuse_element_d): Remove.
564 (struct vuse_vec_d): Likewise.
565 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
566 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
567 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
568 VUSE_ELEMENT_VAR): Likewise.
569 (struct voptype_d): Likewise.
570 (NUM_VOP_FREE_BUCKETS): Likewise.
571 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
572 (struct stmt_operands_d): Remove.
573 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
574 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
575 VDEF_NUM, VDEF_VECT): Likewise.
576 (copy_virtual_operands): Remove.
577 (operand_build_cmp): Likewise.
578 (create_ssa_artificial_load_stmt): Likewise.
579 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
580 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
581 vuse_index and mayuse_index members. Pack and move done and iter_type
582 members to the front.
583 (SSA_OP_VMAYUSE): Remove.
584 (SSA_OP_VIRTUAL_USES): Adjust.
585 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
586 (unlink_stmt_vdef): Declare.
587 (add_to_addressable_set): Remove.
588 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
589 (vrp_visit_stmt): Likewise.
590 * doc/tree-ssa.texi (Alias analysis): Update.
591 * doc/invoke.texi (max-aliased-vops): Remove docs.
592 (avg-aliased-vops): Likewise.
593 * tree-into-ssa.c (syms_to_rename): Remove.
594 (need_to_update_vops_p): Likewise.
595 (need_to_initialize_update_ssa_p): Rename to ...
596 (update_ssa_initialized_fn): ... this. Track function we are
598 (symbol_marked_for_renaming): Simplify.
599 (add_new_name_mapping): Do not set need_to_update_vops_p.
600 (dump_currdefs): Use SYMS_TO_RENAME.
601 (rewrite_update_stmt): Always walk all uses/defs.
602 (dump_update_ssa): Adjust.
603 (init_update_ssa): Take function argument. Track what we are
605 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
606 (create_new_def_for): Initialize for cfun, assert we are initialized
608 (mark_sym_for_renaming): Simplify.
609 (mark_set_for_renaming): Do not initialize update-ssa.
610 (need_ssa_update_p): Simplify. Take function argument.
611 (name_mappings_registered_p): Assert we ask for the correct function.
612 (name_registered_for_update_p): Likewise.
613 (ssa_names_to_replace): Likewise.
614 (release_ssa_name_after_update_ssa): Likewise.
615 (update_ssa): Likewise. Use SYMS_TO_RENAME.
616 (dump_decl_set): Do not print a newline.
617 (debug_decl_set): Do it here.
618 (dump_update_ssa): And here.
619 * tree-ssa-loop-im.c (move_computations): Adjust.
620 (movement_possibility): Likewise.
621 (determine_max_movement): Likewise.
622 (gather_mem_refs_stmt): Likewise.
623 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
625 * tree-complex.c (update_all_vops): Remove.
626 (expand_complex_move): Adjust.
627 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
628 Simplify test for memory referencing statement. Exclude
629 non-invariant ADDR_EXPRs.
630 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
631 * tree-loop-distribution.c (generate_memset_zero): Adjust.
632 (rdg_flag_uses): Likewise.
633 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
635 (tree_optimize_tail_calls_1): Also split the
636 edge from the entry block if we have degenerate PHI nodes in
637 the first basic block.
638 * tree.c (init_ttree): Remove memory-tag related code.
639 (tree_code_size): Likewise.
640 (tree_node_structure): Likewise.
641 (build7_stat): Re-write to be build6_stat.
642 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
644 (struct tree_memory_tag): Remove.
645 (struct tree_memory_partition_tag): Likewise.
646 (union tree_node): Adjust.
647 (build7): Re-write to be build6.
648 * tree-pass.h (pass_reset_cc_flags): Remove.
649 (TODO_update_address_taken): New flag.
650 (pass_simple_dse): Remove.
651 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
652 * params.h (MAX_ALIASED_VOPS): Remove.
653 (AVG_ALIASED_VOPS): Likewise.
654 * omp-low.c (expand_omp_taskreg): Update SSA form.
655 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
656 aliases the lhs in a copy stmt.
657 * tree-ssa-dse.c (struct address_walk_data): Remove.
658 (memory_ssa_name_same): Likewise.
659 (memory_address_same): Likewise.
660 (get_kill_of_stmt_lhs): Likewise.
661 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
662 unused stores. Look through PHI nodes into post-dominated regions.
663 (dse_optimize_stmt): Simplify. Properly remove stores.
664 (tree_ssa_dse): Compute dominators.
665 (execute_simple_dse): Remove.
666 (pass_simple_dse): Likewise.
667 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
668 gimple_loaded_syms and gimple_stored_syms computation.
669 * toplev.c (dump_memory_report): Dump alias and pta stats.
670 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
671 (vn_reference_eq): Likewise.
672 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
673 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
674 valueize_vuses): Remove.
675 (get_def_ref_stmt_vuses): Simplify. Rename to ...
676 (get_def_ref_stmt_vuse): ... this.
677 (vn_reference_lookup_2): New function.
678 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
679 walking equivalent vuses. Simplify.
680 (vn_reference_lookup): Likewise.
681 (vn_reference_insert): Likewise.
682 (vn_reference_insert_pieces): Likewise.
683 (visit_reference_op_call): Simplify.
684 (visit_reference_op_load): Likewise.
685 (visit_reference_op_store): Likewise.
686 (init_scc_vn): Remove shared_lookup_vuses initialization.
687 (free_scc_vn): Remove shared_lookup_vuses freeing.
688 (sort_vuses, sort_vuses_heap): Remove.
689 (get_ref_from_reference_ops): Export.
690 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
691 vector with single vuse pointer.
692 (vn_reference_lookup_pieces, vn_reference_lookup,
693 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
694 (shared_vuses_from_stmt): Remove.
695 (get_ref_from_reference_ops): Declare.
696 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
697 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
698 memory-tag related code.
699 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
700 (likely_value): Add comment, skip static-chain of call statements.
701 (surely_varying_stmt_p): Adjust.
702 (gimplify_and_update_call_from_tree): Likewise.
703 (execute_fold_all_builtins): Do not rebuild alias info.
704 (gimplify_and_update_call_from_tree): Properly update VOPs.
705 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
706 (copy_ref_info): Remove memory-tag related code.
707 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
708 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
709 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
711 * tree-ssa-dom.c (gimple_p): Remove typedef.
712 (eliminate_redundant_computations): Adjust.
713 (record_equivalences_from_stmt): Likewise.
714 (avail_expr_hash): Likewise.
715 (avail_expr_eq): Likewise.
716 * tree-ssa-propagate.c (update_call_from_tree): Properly
718 (stmt_makes_single_load): Likewise.
719 (stmt_makes_single_store): Likewise.
720 * tree-ssa-alias.c: Rewrite completely.
721 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
722 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
723 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
724 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
725 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
726 Remove public functions.
727 (pass_reset_cc_flags): Remove.
728 (pass_build_alias): Move ...
729 * tree-ssa-structalias.c (pass_build_alias): ... here.
730 * tree-ssa-alias.c (may_be_aliased): Move ...
731 * tree-flow-inline.h (may_be_aliased): ... here.
732 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
733 count_uses_and_derefs): Move ...
734 * gimple.c: ... here.
735 * gimple.h (count_uses_and_derefs): Declare.
736 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
737 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
738 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
739 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
740 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
741 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
742 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
744 * tree-dfa.c (refs_may_alias_p): Move ...
745 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
746 * tree-ssa-alias.h: New file.
747 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
748 (statement_sink_location): Likewise.
749 * opts.c (decode_options): Do not adjust max-aliased-vops or
750 avg-aliased-vops values.
751 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
752 (TV_CALL_CLOBBER): Likewise.
753 (TV_FLOW_SENSITIVE): Likewise.
754 (TV_FLOW_INSENSITIVE): Likewise.
755 (TV_MEMORY_PARTITIONING): Likewise.
756 (TV_ALIAS_STMT_WALK): New timevar.
757 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
758 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
759 (get_address_description): Remove memory-tag related code.
760 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
761 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
762 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
763 and immediate uses in statements. Document.
764 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
765 (dump_symbols): Remove.
766 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
767 * alias.c (get_deref_alias_set): New function split out from ...
768 (get_alias_set): ... here.
769 * alias.h (get_deref_alias_set): Declare.
770 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
771 type parameter. Remove restrict pointer handling. Create a
772 ref-all pointer in case type-based alias sets do not conflict.
773 (vect_analyze_data_refs): Remove SMT related code.
774 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
775 (vectorizable_load): Likewise.
776 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
777 (DR_SYMBOL_TAG, DR_VOPS): Remove.
778 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
779 Ignore vops and SMTs.
780 (dr_analyze_alias): Likewise..
781 (free_data_ref): Likewise.
782 (create_data_ref): Likewise.
783 (analyze_all_data_dependences): Likewise.
784 (get_references_in_stmt): Adjust.
785 * tree-flow-inline.h (gimple_aliases_computed_p,
786 gimple_addressable_vars, gimple_call_clobbered_vars,
787 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
788 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
789 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
790 gimple_mem_ref_stats): Remove.
791 (gimple_vop): New function.
792 (op_iter_next_use): Remove vuses and mayuses cases.
793 (op_iter_next_def): Remove vdefs case.
794 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
795 (clear_and_done_ssa_iter): Do not set removed fields.
796 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
797 Assert we are not iterating over vuses or vdefs if not also
798 iterating over uses or defs.
799 (op_iter_init_use): Likewise.
800 (op_iter_init_def): Likewise.
801 (op_iter_next_vdef): Remove.
802 (op_iter_next_mustdef): Likewise.
803 (op_iter_init_vdef): Likewise.
804 (compare_ssa_operands_equal): Likewise.
805 (link_use_stmts_after): Handle vuse operand.
806 (is_call_used): Use is_call_clobbered.
807 (is_call_clobbered): Global variables are always call clobbered,
808 query the call-clobbers bitmap.
809 (mark_call_clobbered): Ignore global variables.
810 (clear_call_clobbered): Likewise.
811 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
812 virtual operands sanity check.
813 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
815 (TARGET_MEM_REF): Remove TMR_TAG operand.
816 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
817 Remove call-clobber related code.
818 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
819 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
820 partitions or escape reason.
821 (get_single_def_stmt, get_single_def_stmt_from_phi,
822 get_single_def_stmt_with_phi): Remove.
823 (dump_referenced_vars): Tidy.
824 (get_ref_base_and_extent): Allow bare decls.
825 (collect_dfa_stats): Adjust.
826 * graphite.c (rename_variables_in_stmt): Adjust.
827 (graphite_copy_stmts_from_block): Likewise.
828 (translate_clast): Likewise.
829 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
831 (translate_vuse_through_block): Use the oracle.
832 (phi_translate_1): Adjust.
833 (value_dies_in_block_x): Use the oracle. Cache the outcome
835 (valid_in_sets): Check if the VUSE for
836 a REFERENCE is available.
837 (eliminate): Do not remove stmts during elimination,
838 instead queue and remove them afterwards.
839 (do_pre): Do not rebuild alias info.
840 (pass_pre): Run TODO_rebuild_alias before PRE.
841 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
842 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
843 (mark_all_v_defs_stmt): Remove.
844 (mark_all_v_defs_seq): Adjust.
845 (sra_replace): Likewise.
846 (scalarize_use): Likewise.
847 (scalarize_copy): Likewise.
848 (scalarize_init): Likewise.
849 (scalarize_ldst): Likewise.
851 (tree_sra): Do not rebuild alias info.
852 (tree_sra_early): Adjust.
853 (pass_sra): Run TODO_update_address_taken before SRA.
854 * tree-predcom.c (set_alias_info): Remove.
855 (prepare_initializers_chain): Do not call it.
856 (mark_virtual_ops_for_renaming): Adjust.
857 (mark_virtual_ops_for_renaming_list): Remove.
858 (initialize_root_vars): Adjust.
859 (initialize_root_vars_lm): Likewise.
860 (prepare_initializers_chain): Likewise.
861 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
862 (may_propagate_copy_into_stmt): Likewise.
863 (merge_alias_info): Do nothing for now.
864 (propagate_tree_value_into_stmt): Adjust.
865 (stmt_may_generate_copy): Likewise.
866 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
867 not mark symbols for renaming.
868 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
869 with the same statement, make sure to update the new pointed-to one.
870 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
871 call statements, do not mark symbols for renaming.
872 (mark_operand_necessary): Dump something.
873 (ref_may_be_aliased): New function.
874 (mark_aliased_reaching_defs_necessary_1): New helper function.
875 (mark_aliased_reaching_defs_necessary): Likewise.
876 (mark_all_reaching_defs_necessary_1): Likewise.
877 (mark_all_reaching_defs_necessary): Likewise.
878 (propagate_necessity): Do not process virtual PHIs. For
879 non-aliased loads mark all reaching definitions as necessary.
880 For aliased loads and stores mark the immediate dominating
881 aliased clobbers as necessary.
882 (visited): New global static.
883 (perform_tree_ssa_dce): Free visited bitmap after propagating
885 (remove_dead_phis): Perform simple dead virtual PHI removal.
886 (remove_dead_stmt): Properly unlink virtual operands when
888 (eliminate_unnecessary_stmts): Schedule PHI removal after
890 * tree-ssa-ter.c (is_replaceable_p): Adjust.
891 (process_replaceable): Likewise.
892 (find_replaceable_in_bb): Likewise.
893 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
894 based on the single gimple vop.
895 (verify_flow_insensitive_alias_info): Remove.
896 (verify_flow_sensitive_alias_info): Likewise.
897 (verify_call_clobbering): Likewise.
898 (verify_memory_partitions): Likewise.
899 (verify_alias_info): Likewise.
900 (verify_ssa): Adjust..
901 (execute_update_addresses_taken): Export. Update SSA
902 manually. Optimize only when optimizing. Use a local bitmap.
903 (pass_update_address_taken): Remove TODO_update_ssa, add
905 (pass_update_address_taken): Just use TODO_update_address_taken.
906 (init_tree_ssa): Do not initialize addressable_vars.
907 (verify_ssa): Verify new VUSE / VDEF properties.
908 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
909 Do not call verify_alias_info.
910 (delete_tree_ssa): Clear the VUSE, VDEF operands.
911 Do not free the loaded and stored syms bitmaps. Reset the escaped
912 and callused solutions. Do not free addressable_vars.
913 Remove memory-tag related code.
914 (warn_uninitialized_var): Aliases are always available.
915 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
916 * lambda-code.c (can_put_in_inner_loop): Adjust.
917 (can_put_after_inner_loop): Likewise.
918 (perfect_nestify): Likewise.
919 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
920 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
921 (vectorizable_conversion): Do not mark symbols for renaming.
922 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
923 (expand_call_inline): Unlink the calls virtual operands before
925 (tree_function_versioning): Do not call update_ssa if we are not
926 updating clones. Simplify.
927 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
928 (propagate_with_phi): Likewise..
929 * tree-outof-ssa.c (create_temp): Remove memory tag and call
930 clobber code. Assert we are not aliased or global.
931 * tree-flow.h: Include tree-ssa-alias.h
932 (enum escape_type): Remove.
933 (struct mem_sym_stats_d): Likewise.
934 (struct mem_ref_stats_d): Likewise.
935 (struct gimple_df): Add vop member. Remove global_var,
936 call_clobbered_vars, call_used_vars, addressable_vars,
937 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
938 escaped and callused members.
939 (struct ptr_info_def): Remove all members, add points-to solution
941 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
942 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
943 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
944 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
945 (tree-ssa-alias.o): Likewise.
946 (toplev.o): Add tree-ssa-alias.h
947 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
948 * gimple.c (gimple_set_bb): Fix off-by-one error.
949 (is_gimple_reg): Do not handle memory tags.
950 (gimple_copy): Also copy virtual operands.
951 Delay updating the statement. Do not reset loaded and stored syms.
952 (gimple_set_stored_syms): Remove.
953 (gimple_set_loaded_syms): Likewise.
954 (gimple_call_copy_skip_args): Copy the virtual operands
955 and mark the new statement modified.
956 * tree-ssa-structalias.c (may_alias_p): Remove.
957 (set_uids_in_ptset): Take the alias set to prune with as
958 parameter. Fold in the alias test of may_alias_p.
959 (compute_points_to_sets): Compute whether a ptr is dereferenced
961 (process_constraint): Deal with &ANYTHING on the lhs, reject all
962 other ADDRESSOF constraints on the lhs.
963 (get_constraint_for_component_ref): Assert that we don't get
964 ADDRESSOF constraints from the base of the reference.
965 Properly generate UNKNOWN_OFFSET for DEREF if needed.
966 (struct variable_info): Remove collapsed_to member.
967 (get_varinfo_fc): Remove.
968 (new_var_info): Do not set collapsed_to.
969 (dump_constraint): Do not follow cycles.
970 (dump_constraint_graph): Likewise.
971 (build_pred_graph): Likewise.
972 (build_succ_graph): Likewise.
973 (rewrite_constraints): Likewise.
974 (do_simple_structure_copy): Remove.
975 (do_rhs_deref_structure_copy): Remove.
976 (do_lhs_deref_structure_copy): Remove.
977 (collapse_rest_of_var): Remove.
978 (do_structure_copy): Re-implement.
979 (pta_stats): New global variable.
980 (dump_pta_stats): New function.
981 (struct constraint_expr): Make offset signed.
982 (UNKNOWN_OFFSET): Define special value.
983 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
984 (solution_set_expand): New helper function split out from ...
985 (do_sd_constraint): ... here.
986 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
987 (do_ds_constraint): Likewise.
988 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
989 and CALLUSED = *CALLUSED.
990 (set_union_with_increment): Make inc argument signed.
992 (get_constraint_for_ptr_offset): Handle unknown and negative
994 (first_vi_for_offset): Handle offsets before start. Bail
995 out early for offsets beyond the variable extent.
996 (first_or_preceding_vi_for_offset): New function.
997 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
998 Together with ESCAPED = *ESCAPED this properly computes reachability.
999 (find_what_var_points_to): New function.
1000 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1001 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1002 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1003 pt_solutions_intersect): New functions.
1004 (compute_call_used_vars): Remove.
1005 (compute_may_aliases): New main entry into PTA computation.
1006 * gimple.h (gimple_p): New typedef.
1007 (struct gimple_statement_base): Remove references_memory_p.
1008 (struct gimple_statement_with_memory_ops_base): Remove
1009 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1011 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1012 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1013 gimple_set_references_memory): Remove.
1014 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1015 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1017 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1018 (verify_expr): Allow RESULT_DECL.
1019 (gimple_duplicate_bb): Do not copy virtual operands.
1020 (gimple_duplicate_sese_region): Adjust.
1021 (gimple_duplicate_sese_tail): Likewise.
1022 (mark_virtual_ops_in_region): Remove.
1023 (move_sese_region_to_fn): Do not call it.
1024 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1025 and pass_simple_dse.
1026 (execute_function_todo): Handle TODO_update_address_taken,
1027 call execute_update_addresses_taken for TODO_rebuild_alias.
1028 (execute_todo): Adjust.
1029 (execute_one_pass): Init dump files early.
1030 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1032 (create_general_new_stmt): Clear vops.
1033 * tree-ssa-reassoc.c (get_rank): Adjust.
1034 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1035 symbols for renaming.
1036 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1037 (PARAM_AVG_ALIASED_VOPS): Likewise.
1038 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1039 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1040 * tree-ssa-operands.c: Simplify for new virtual operand
1042 (operand_build_cmp, copy_virtual_operands,
1043 create_ssa_artificial_load_stmt, add_to_addressable_set,
1044 gimple_add_to_addresses_taken): Remove public functions.
1045 (unlink_stmt_vdef): New function.
1047 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1049 * config.gcc (powerpc-*-linux*): Merge variants.
1051 2009-04-02 Chao-ying Fu <fu@mips.com>
1052 James Grosbach <james.grosbach@microchip.com>
1054 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1055 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1057 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1058 keep_interrupts_masked_p, use_debug_exception_return_p.
1059 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1060 keep_interrupts_masked, use_debug_exception_return.
1061 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1062 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1064 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1065 (mips_print_operand): Process COP0 registers to print $0 .. $31
1066 correctly for GAS to process.
1067 (mips_interrupt_extra_call_saved_reg_p): New function.
1068 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1070 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1071 (mips_compute_frame_info): Add supports for interrupt context that
1072 includes doubleword accumulators and COP0 registers.
1073 (mips_for_each_saved_acc): New function.
1074 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1075 mips_for_each_saved_reg.
1076 (mips_save_reg): Save accumulators.
1077 (mips_kernel_reg_p): A new for_each_rtx callback.
1078 (mips_expand_prologue): Support interrupt handlers.
1079 (mips_restore_reg): Restore accumulators.
1080 (mips_expand_epilogue): Support interrupt handlers.
1081 (mips_can_use_return_insn): Return false for interrupt handlers.
1082 (mips_epilogue_uses): New function.
1083 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1084 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1085 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1086 cop0_move): New instructions.
1087 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1088 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1090 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1092 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1093 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1094 interrupt handlers, we use K0 as the temporary register.
1095 (EPILOGUE_USES): Change to a function call.
1096 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1097 handlers, we use K0 as the temporary register.
1099 * doc/extend.texi (Function Attributes): Document interrupt,
1100 use_shadow_register_set, keep_interrupts_masked,
1101 use_debug_exception_return for MIPS attributes.
1103 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1105 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1106 Remove a number of t-files from tmake_file.
1107 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1108 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1109 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1110 target_prototype, not TARGET_PROTOTYPE.
1111 (LINK_OS_GNU_SPEC): Define.
1112 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1113 and darwin-ldoubdle.c.
1115 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1118 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1119 (cpp_options): Ditto.
1120 (default_compilers): Ditto.
1121 (display_help): Ditto.
1122 (process_command): Ditto.
1124 (set_input): Use lbasename instead of duplicate code.
1125 (save_temps_prefix): New static for -save-temps=obj.
1126 (save_temps_length): Ditto.
1128 * doc/invoke.texi (-save-temps=obj): Document new variant to
1131 2009-04-02 Jeff Law <law@redhat.com>
1133 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1136 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1138 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1139 * configure: Regenerated.
1141 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1143 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1144 share the argument list.
1146 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1150 2009-02-12 Diego Novillo <dnovillo@google.com>
1152 * varpool.c (debug_varpool): New.
1153 * cgraph.h (debug_varpool): Declare.
1155 2009-04-02 Jan Hubicka <jh@suse.cz>
1157 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1160 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1162 * config/i386/i386.c (ix86_abi): Move initialization to ...
1163 (override_options): Here.
1165 2009-04-02 Christian Bruel <christian.bruel@st.com>
1167 * config/sh/sh.c (sh_dwarf_register_span): New function.
1168 (TARGET_DWARF_REGISTER_SPAN): Define.
1169 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1171 2009-04-02 Ira Rosen <irar@il.ibm.com>
1173 PR tree-optimization/39595
1174 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1175 interleaved loads group is not greater than the SLP group size.
1177 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1179 * builtins.c (is_builtin_name): New.
1180 (called_as_built_in): Use is_builtin_name.
1181 * tree.h (is_builtin_name): New.
1182 * varasm.c (incorporeal_function_p): Use is_builtin_name
1184 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1186 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1188 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1191 * c-decl.c: (clone_underlying_type): Move this ...
1192 * c-common.c (set_underlying_type): ... here.
1193 Also, make sure the function properly sets TYPE_STUB_DECL() on
1194 the newly created typedef variant type.
1195 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1196 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
1198 2009-04-02 Richard Guenther <rguenther@suse.de>
1200 PR tree-optimization/37221
1201 * tree-flow.h (degenerate_phi_result): Declare.
1202 * tree-ssa-dom.c (degenerate_phi_result): Export.
1203 * tree-scalar-evolution.c (analyze_initial_condition): If
1204 the initial condition is defined by a degenerate PHI node
1205 use the degenerate value.
1207 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1209 PR rtl-optimization/39588
1210 * combine.c (merge_outer_ops): Do not set the constant when this
1212 (simplify_shift_const_1): Do not modify it either in this case.
1214 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1216 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1217 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1219 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1222 * c-lex.c (interpret_float): Default (no suffix) is double.
1224 2009-04-1 Xinliang David Li <davidxl@google.com>
1226 * config/i386/i386.c (legitimate_constant_p): Recognize
1227 all one vector constant.
1229 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1231 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1232 Change #include order to silence two warnings.
1234 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1236 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1237 (ASM_SPEC): Pass -k to the assembler for PIC code.
1239 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1241 * gcc/config.gcc: Add vax-*-linux* to the switch.
1242 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1243 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1245 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1247 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1248 Use predicate macros instead of GET_CODE() == foo.
1249 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1250 ashlsi3, rotrsi3, <unnamed>): Likewise.
1252 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1254 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1255 jbbccihi, jbbccisi): Remova trailing whitespace.
1256 * gcc/config/vax/constraints.md: Likewise.
1257 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1258 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1259 * gcc/config/vax/predicates.md: Likewise.
1260 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1261 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1262 * gcc/config/vax/vax.h: Likewise.
1263 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1265 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1267 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1268 (indirectable_address_p, adjacent_operands_p): Add spaces around
1270 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1272 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1274 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1275 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1276 index_term_p, reg_plus_index_p, legitimate_address_p,
1277 vax_mode_dependent_address_p): Update comments to match functions
1278 modified by the recent int->bool conversion.
1280 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1282 * gcc/config/vax/builtins.md: Update copyright message.
1283 * gcc/config/vax/constraints.md: Likewise.
1284 * gcc/config/vax/netbsd-elf.h: Likewise.
1285 * gcc/config/vax/predicates.md: Likewise.
1286 * gcc/config/vax/vax-protos.h: Likewise.
1287 * gcc/config/vax/vax.c: Likewise.
1288 * gcc/config/vax/vax.h: Likewise.
1289 * gcc/config/vax/vax.md: Likewise.
1290 * gcc/config/vax/vax.opt: Likewise.
1292 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1294 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1295 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1296 * gcc/config/vax/constraints.md (B, R): Likewise.
1297 * gcc/config/vax/predicates.md (external_memory_operand,
1298 nonimmediate_addsub_di_operand): Likewise.
1299 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1300 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1301 untyped_call): Likewise.
1303 2009-04-01 Matt Thomas <matt@3am-software.com>
1305 * config/vax/predicates.md: New file. (symbolic_operand,
1306 local_symbolic_operand, external_symbolic_operand,
1307 external_const_operand, nonsymbolic_operand, external_memory_operand,
1308 indirect_memory_operand, indexed_memory_operand,
1309 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1310 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1312 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1313 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1314 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1315 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1316 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1317 * config/vax/vax.opt (mqmath): Add option.
1318 * config/vax/vax.md (isfx): Extend with DI.
1319 (VAXintQH, VAXintQHSD): Define.
1320 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1321 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1322 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1323 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1324 (movdi): Update constraints and use vax_output_int_move().
1325 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1326 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1327 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1328 nonlocal_goto): New.
1329 (mov<mode>): Extend accepted operand types.
1330 (subdi3_old): Rename from subdi3, change update constraints and use
1331 a new implementation.
1332 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1333 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1334 MOVE_RATIO, CLEAR_RATIO): Define.
1335 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1336 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1337 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1338 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1339 (split_quadword_operands): Make static and really allow variable
1341 (print_operand_address): Update for PIC generation.
1342 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1343 indexable_address_p, fixup_mathdi_operand,
1344 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1345 (vax_float_literal, legitimate_constant_p,
1346 indirectable_constant_address_p, index_term_p,
1347 reg_plus_index_p): Return bool instead of int.
1348 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1350 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1352 (vax_output_conditional_branch): Indent.
1353 (legitimate_constant_address_p, indirectable_constant_address_p,
1354 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1355 vax_mode_dependent_address_p): Return bool instead of int, update for
1357 * config/vax/vax-protos.h (legitimate_constant_address_p,
1358 legitimate_constant_p, legitimate_address_p,
1359 vax_mode_dependent_address_p): Change declaration to bool.
1360 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1361 vax_expand_addsub_di_operands, vax_output_int_subtract,
1362 vax_output_movmemsi): Declare.
1363 (split_quadword_operands, vax_float_literal): Delete declaration.
1364 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1365 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1366 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1367 ASM_OUTPUT_DWARF_PCREL): Define.
1368 (ASM_SPEC): Change definition to allow PIC generation.
1370 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1373 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1374 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1375 (booldi3_internal3): Use boolean_or_operator instead of
1378 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1381 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1382 declarator whose size is not an integer constant expression but
1383 folds to an integer constant, then treat it as a constant
1386 2009-04-01 Richard Guenther <rguenther@suse.de>
1388 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1389 i * 4 + 2 to (i * 2 + 1) * 2.
1391 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1394 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1395 return if c_parser_asm_string_literal returned NULL.
1397 2009-04-01 Nick Clifton <nickc@redhat.com>
1399 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1401 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1402 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1403 other typedefs to avoid conflicts with libgcc2.c. Define labels
1404 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1406 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1407 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1410 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1412 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1414 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1415 Andrey Galkin <agalkin@hypercom.com>
1418 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1419 Make object_name unique for each process.
1421 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1424 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1425 addressable variables in the parallel that could go out of scope while
1426 running queued tasks.
1428 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1430 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1431 (CASE_VALUES_THRESHOLD): Redefine.
1432 * config/avr/avr.c (avr_override_options): Remove initialization of
1433 avr_case_values_threshold variable.
1434 (avr_case_values_threshold): Remove variable. Add new function.
1435 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1436 * config/avr/avr.opt (mno-tablejump): Remove option.
1437 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1439 2009-04-01 DJ Delorie <dj@redhat.com>
1441 * varasm.c (default_function_rodata_section): Don't assume
1442 anything about where the first '.' in the section name is.
1444 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1446 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1447 rs6000_emit_stack_tie.
1449 2009-03-31 Ian Lance Taylor <iant@google.com>
1451 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1452 gimple_code with GIMPLE_RESX, not RESX.
1454 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1456 * c-common.c (c_get_ident): New.
1457 (c_common_nodes_and_builtins): Call it for type names that may be
1460 2009-04-01 Ben Elliston <bje@au.ibm.com>
1462 * config/rs6000/sysv4.opt (msdata): Improve option description.
1464 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1466 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1467 (divdf3_internal_lat): Remove.
1468 (divxf3_internal_lat): Remove.
1469 (divxf3_internal_thr): Remove.
1470 (divxf): Use divxf3_internal.
1471 * config/ia64/div.md (divsf3_internal_lat): New.
1472 (divdf3_internal_lat): New.
1473 (divxf3_internal): New.
1475 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1478 * Makefile.in (USE_GCC_STDINT): Define.
1479 (stmp-int-hdrs): Install stdint.h if applicable.
1480 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1482 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1483 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1484 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1485 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1486 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1487 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1488 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1489 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1490 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1491 (c_common_nodes_and_builtins): Initialize
1492 underlying_wchar_type_node. Do not initialize
1493 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1494 nodes for new types.
1495 (c_stddef_cpp_builtins): Define macros for new types.
1496 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1498 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1499 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1500 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1501 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1502 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1503 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1504 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1505 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1506 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1507 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1508 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1509 int16_type_node, int32_type_node, int64_type_node,
1510 uint8_type_node, uint16_type_node, c_uint32_type_node,
1511 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1512 int_least32_type_node, int_least64_type_node,
1513 uint_least8_type_node, uint_least16_type_node,
1514 uint_least32_type_node, uint_least64_type_node,
1515 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1516 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1517 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1518 uintptr_type_node): Define.
1519 * c-cppbuiltin.c (builtin_define_constants,
1520 builtin_define_type_minmax): New.
1521 (builtin_define_stdint_macros): Define more macros.
1522 (c_cpp_builtins): Define more limit macros.
1524 (builtin_define_type_max): Define in terms of
1525 builtin_define_type_minmax. Remove is_long parameter. All
1527 * config.gcc (use_gcc_stdint): Define.
1528 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1529 Add newlib-stdint.h for generic targets.
1530 * config/glibc-stdint.h, config/newlib-stdint.h,
1531 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1532 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1533 * config/score/score.h (UINTPTR_TYPE): Define.
1534 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1535 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1536 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1537 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1538 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1539 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1540 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1541 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1542 * config/spu/spu.h (STDINT_LONG32): Define.
1543 * configure.ac (use_gcc_stdint): Substitute.
1544 * configure: Regenerate.
1545 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1546 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1547 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1548 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1549 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1550 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1551 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1552 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1553 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1554 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1555 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1556 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1557 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1558 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1559 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1560 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1561 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1562 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1563 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1564 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1565 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1566 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1567 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1568 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1569 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1570 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1571 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1572 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1573 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1575 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1577 * loop-iv.c (suitable_set_for_replacement): Renamed from
1578 simplify_using_assignment; changed to return bool and to accept new
1579 args DEST and SRC. Return true iff we find a source/destination pair
1580 that can be used to make a replacement, and fill SRC and DEST if so.
1581 Remove arg ALTERED. Don't deal with altered regs here. All callers
1583 (simplify_using_initial_values): Deal with altered regs here and track
1584 more precisely the effect they have on the validity of our expression.
1586 * loop-iv.c (simplify_using_condition): A condition of the form
1587 (EQ REG CONST) can be used to simply make a substitution.
1588 (simplify_using_initial_values): Keep track of conditions we have seen
1589 and keep using them to simplify new expressions, while applying the
1590 same substitutions to them as to the expression.
1592 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1593 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1596 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1597 changed. Use this when trying to improve the upper bound.
1598 Generate the comparison by using simplify_gen_relational.
1600 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1602 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1604 (simplify_using_assignment, simplify_using_initial_values): Call
1605 replace_in_expr to make replacements. Call replace_single_def_regs
1606 once on the initial version of the expression.
1608 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1611 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1613 2009-03-31 Richard Guenther <rguenther@suse.de>
1616 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1617 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1619 2009-03-31 Richard Guenther <rguenther@suse.de>
1621 * tree.h (div_if_zero_remainder): Declare.
1622 * fold-const.c (div_if_zero_remainder): Export.
1623 * tree-ssa-forwprop.c
1624 (forward_propagate_addr_into_variable_array_index): Handle
1625 constant array index addition outside of the variable index.
1627 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1630 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1631 define_splits, floatunssi<mode>2): Require x87 conversions from
1632 DImode to be permitted.
1634 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1636 PR preprocessor/15638
1637 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1639 2009-03-31 Richard Guenther <rguenther@suse.de>
1643 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1644 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1645 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1646 a separate statement.
1647 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1648 (lookup_tmp_var): Likewise.
1649 (is_gimple_formal_tmp_or_call_rhs): Remove.
1650 (is_gimple_reg_or_call_rhs): Rename to ...
1651 (is_gimple_reg_rhs_or_call): ... this.
1652 (is_gimple_mem_or_call_rhs): Rename to ...
1653 (is_gimple_mem_rhs_or_call): ... this.
1654 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1655 DECL_GIMPLE_REG_P only if is_formal is true.
1656 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1657 for non-proper post-modify expression gimplification.
1658 (gimplify_self_mod_expr): For post-modify expressions gimplify
1659 the lvalue to a minimal lvalue.
1660 (rhs_predicate_for): Remove formal temp case.
1661 (gimplify_modify_expr_rhs): Likewise.
1662 (gimplify_addr_expr): Use is_gimple_reg.
1663 (gimplify_expr): Remove formal temp cases.
1664 (gimple_regimplify_operands): Likewise.
1665 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1666 and FILTER_EXPR like constants.
1667 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1669 (is_gimple_formal_tmp_rhs): Remove.
1670 (is_gimple_reg_rhs): Remove special casing.
1671 (is_gimple_mem_rhs): Fix.
1672 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1673 (is_gimple_formal_tmp_var): Remove.
1674 (is_gimple_formal_tmp_reg): Likewise.
1675 (is_gimple_min_lval): Allow invariant component ref parts.
1676 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1677 is_gimple_formal_tmp_reg): Remove declarations.
1678 * tree-cfg.c (verify_expr): Verify that variables with address
1679 taken do not have DECL_GIMPLE_REG_P set.
1680 * tree-mudflap.c (mf_build_check_statement_for): Use
1681 force_gimple_operand instead of gimplify_expr.
1683 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1685 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1686 schedulable rows to compute_split_row.
1688 2009-03-31 Ben Elliston <bje@au.ibm.com>
1691 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1694 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1696 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1697 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1698 * configure: Regenerate.
1699 * config.in: Regenerate.
1700 * config/rs6000/rs6000.opt (mtls-markers): Add.
1701 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1702 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1703 (tls_ld_aix, tls_ld_sysv): Likewise.
1704 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1705 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1707 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1709 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1711 2009-03-30 Jan Hubicka <jh@suse.cz>
1713 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1715 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1716 detection and label handling.
1718 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1720 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1721 left_conflicts_size.
1722 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1723 ALLOCNO_LEFT_CONFLICTS_SIZE.
1725 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1726 remove_allocno_from_bucket_and_push,
1727 allocno_spill_priority_compare, push_allocnos_to_stack,
1728 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1729 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1730 (setup_allocno_left_conflicts_num): Ditto. Rename to
1731 setup_allocno_left_conflicts_size.
1732 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1733 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1734 setup_allocno_left_conflicts_size instead of
1735 setup_allocno_left_conflicts_num.
1737 * ira-build.c (ira_create_allocno): Use
1738 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1739 ALLOCNO_LEFT_CONFLICTS_NUM.
1741 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1743 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1744 instead of DF_LR_OUT.
1746 * ira-lives.c (process_bb_node_lives): Ditto.
1748 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1749 instead of DF_LR_{OUT,IN}.
1751 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1753 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1755 2009-03-30 Jan Hubicka <jh@suse.cz>
1757 * except.c (label_to_region_map): Fix thinko.
1759 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1762 * tree.h (tree_find_value): New declaration.
1763 * tree.c (tree_find_value): New function.
1764 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1766 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1769 * c-decl.c (struct c_binding): Add locus field.
1770 (bind): Add locus argument, set locus field from it.
1771 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1772 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1773 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1774 implicitly_declare, undeclared_variable, lookup_label,
1775 declare_label, c_make_fname_decl, c_builtin_function,
1776 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1779 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1782 * config/i386/i386.c (classify_argument): Check total size of
1785 2009-03-30 Martin Jambor <mjambor@suse.cz>
1787 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1788 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1789 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1792 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1793 seen_variable_array_ref while also traversing a union.
1795 * tree-inline.c (optimize_inline_calls): Do not call
1796 cgraph_node_remove_callees.
1797 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1798 (pass_remove_cgraph_callee_edges): New variable.
1799 * passes.c (init_optimization_passes): Add
1800 pass_remove_cgraph_callee_edges after early inlining and before all
1801 late intraprocedural passes.
1803 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1805 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1807 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1810 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1812 * combine.c (simplify_comparison): Use have_insn_for.
1813 * dojump.c (do_jump): Likewise.
1815 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1817 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1818 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1819 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1820 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1821 instead of sparc_compare_emitted.
1822 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1823 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1824 instead of sparc_compare_emitted.
1826 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1828 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1829 enter/exit cfglayout mode.
1830 (pass_partition_block): Require it.
1831 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1832 (combine_instructions): Track basic blocks instead of labels.
1833 (update_cfg_for_uncondjump): New.
1834 (try_combine): Use it. Update jumps after rescanning.
1835 (pass_combine): Require PROP_cfglayout.
1836 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1838 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1840 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1841 Provide/destroy PROP_cfglayout respectively.
1842 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1843 * tree-pass.h (PROP_cfglayout): New.
1845 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1847 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1848 fold_convert_const_fixed_from_fixed,
1849 fold_convert_const_fixed_from_int,
1850 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1851 set TREE_CONSTANT_OVERFLOW.
1852 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1853 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1855 2009-03-30 Ira Rosen <irar@il.ibm.com>
1857 * tree-vect-loop-manip.c: New file.
1858 * tree-vectorizer.c: Update documentation and included files.
1859 (vect_loop_location): Make extern.
1860 (rename_use_op): Move to tree-vect-loop-manip.c
1861 (rename_variables_in_bb, rename_variables_in_loop,
1862 slpeel_update_phis_for_duplicate_loop,
1863 slpeel_update_phi_nodes_for_guard1,
1864 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1865 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1866 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1867 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1868 find_loop_location): Likewise.
1869 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1870 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1871 get_vectype_for_scalar_type, vect_is_simple_use,
1872 supportable_widening_operation, supportable_narrowing_operation):
1874 (bb_in_loop_p): Move to tree-vect-loop.c.
1875 (new_loop_vec_info, destroy_loop_vec_info,
1876 reduction_code_for_scalar_code, report_vect_op,
1877 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1878 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1879 (vect_supportable_dr_alignment): Likewise.
1880 * tree-vectorizer.h (tree-data-ref.h): Include.
1881 (vect_loop_location): Declare.
1882 Reorganize function declarations according to the new file structure.
1883 * tree-vect-loop.c: New file.
1884 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1885 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1886 * tree-vect-data-refs.c: New file.
1887 * tree-vect-patterns.c (timevar.h): Don't include.
1888 * tree-vect-stmts.c: New file.
1889 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1890 tree-vect-slp.c, tree-vect-loop.c.
1891 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1892 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1893 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1894 (tree-vect-analyze.o): Remove.
1895 (tree-vect-transform.o): Likewise.
1896 (tree-vect-data-refs.o): Add rule.
1897 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1898 tree-vect-slp.o): Likewise.
1899 (tree-vect-patterns.o): Remove redundant dependencies.
1900 (tree-vectorizer.o): Likewise.
1901 * tree-vect-slp.c: New file.
1903 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1905 * optc-gen.awk: Warn if an option flag has multiple different
1908 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1910 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1911 -floop-block): Document dependences on PPL, CLooG and Graphite.
1913 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1915 PR rtl-optimization/323
1916 * c-common.c (c_fully_fold, convert_and_check,
1917 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1918 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1919 * c-common.def (EXCESS_PRECISION_EXPR): New.
1920 * c-cppbuiltin.c (builtin_define_float_constants): Define
1921 constants with enough digits for long double.
1922 * c-lex.c (interpret_float): Interpret constant with excess
1923 precision where appropriate.
1924 * c-opts.c (c_common_post_options): Set
1925 flag_excess_precision_cmdline. Give an error for
1926 -fexcess-precision=standard for C++ for processors where the
1927 option is significant.
1928 * c-parser.c (c_parser_conditional_expression): Handle excess
1929 precision in condition.
1930 * c-typeck.c (convert_arguments): Handle arguments with excess
1932 (build_unary_op): Move excess precision outside operation.
1933 (build_conditional_expr): Likewise.
1934 (build_compound_expr): Likewise.
1935 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1936 (build_modify_expr): Handle excess precision in RHS.
1937 (convert_for_assignment): Handle excess precision in converted
1939 (digest_init, output_init_element, process_init_element): Handle
1940 excess precision in initializer.
1941 (c_finish_return): Handle excess precision in return value.
1942 (build_binary_op): Handle excess precision in operands and add
1943 excess precision as needed for operation.
1944 * common.opt (-fexcess-precision=): New option.
1945 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1946 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1947 For standard excess precision, output explicit conversion to and
1948 truncation from XFmode.
1949 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1950 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1951 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1952 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1953 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1954 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1955 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1956 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1957 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1958 define_splits, sqrt<mode>2): Disable where appropriate for
1959 standard excess precision.
1960 * convert.c (convert_to_real): Do not shorten arithmetic to type
1961 for which excess precision would be used.
1962 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1963 * doc/invoke.texi (-fexcess-precision=): Document option.
1964 (-mfpmath=): Correct index entry.
1965 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1966 flag_excess_precision): New.
1967 * langhooks.c (lhd_post_options): Set
1968 flag_excess_precision_cmdline.
1969 * opts.c (common_handle_option): Handle -fexcess-precision=.
1970 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1971 init_excess_precision): New.
1972 (lang_dependent_init_target): Call init_excess_precision.
1973 * tree.c (excess_precision_type): New.
1974 * tree.h (excess_precision_type): Declare.
1976 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1979 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1980 non-lvalue to component.
1982 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1984 PR preprocessor/34695
1985 * Makefile.in (c-opts.o): Depend on c-tree.h.
1986 * c-common.c: Move down include of diagnostic.h.
1987 (done_lexing, c_cpp_error): New.
1988 * c-common.h (done_lexing): Declare.
1989 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1991 * c-opts.c: Include c-tree.h.
1992 (c_common_init_options): Set preprocessor error callback.
1993 (c_common_handle_option): Do not set preprocessor
1994 inhibit_warnings, warnings_are_errors, warn_system_headers,
1995 pedantic_errors or inhibit_warnings flags.
1996 (c_common_post_options): Do not check cpp_errors (parse_in).
1997 (c_common_finish): Do not output dependencies if there were
1998 errors. Do not check return value of cpp_finish.
1999 * c-ppoutput.c (pp_file_change): Set input_location.
2000 * c-tree.h (c_cpp_error): Declare.
2001 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2003 (diagnostic_build_prefix): Check override_column.
2004 * diagnostic.h (diagnostic_info): Add override_column field.
2005 (diagnostic_override_column): Define.
2007 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2009 * c-common.c (c_expand_expr, c_staticp): Remove.
2010 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2011 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2012 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2013 * c-gimplify.c (gimplify_compound_literal_expr,
2014 optimize_compound_literals_in_ctor): Remove.
2015 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2016 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2017 * c-semantics.c (emit_local_var): Remove.
2019 * langhooks-def.h (lhd_expand_expr): Remove.
2020 * langhooks.c (lhd_expand_expr): Remove.
2021 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2023 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2024 handling from c-semantics.c; don't call into langhook.
2025 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2026 * gimplify.c (gimplify_compound_literal_expr,
2027 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2028 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2029 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2030 as was done in c-gimplify.c.
2031 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2032 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2033 Move from c-common.h.
2034 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2036 * tree.c (staticp): Do not call langhook.
2037 * langhooks.c (lhd_staticp): Delete.
2038 * langhooks-def.h (lhd_staticp): Delete prototype.
2039 (LANG_HOOKS_STATICP): Delete.
2040 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2042 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2043 instead of DECL_STMTs.
2045 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2053 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2055 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2056 contained expression.
2057 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2058 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2059 conditional expressions for C.
2060 (decl_constant_value_for_optimization): Move from
2061 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2062 whether optimizing and that the expression is a VAR_DECL not of
2063 array type instead of doing such checks in the caller. Do not
2064 check pedantic. Call gcc_unreachable for C++.
2065 * c-common.def (C_MAYBE_CONST_EXPR): New.
2066 * c-common.h (c_fully_fold, c_save_expr,
2067 decl_constant_value_for_optimization): New prototypes.
2068 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2069 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2070 EXPR_INT_CONST_OPERANDS): Define.
2071 * c-convert.c (convert): Strip nops from expression.
2072 * c-decl.c (groktypename): Take extra parameters expr and
2073 expr_const_operands. Update call to grokdeclarator.
2074 (start_decl): Update call to grokdeclarator. Add statement for
2075 expressions used in type of decl.
2076 (grokparm): Update call to grokdeclarator.
2077 (push_parm_decl): Update call to grokdeclarator.
2078 (build_compound_literal): Add parameter non_const and build a
2079 C_MAYBE_COSNT_EXPR if applicable.
2080 (grokdeclarator): Take extra parameters expr and
2081 expr_const_operands. Track expressions used in declaration
2082 specifiers and declarators. Fold array sizes and track whether
2083 they are constant expressions and whether they are integer
2084 constant expressions.
2085 (parser_xref_tag): Set expr and expr_const_operands fields in
2087 (grokfield): Update call to grokdeclarator.
2088 (start_function): Update call to grokdeclarator.
2089 (build_null_declspecs): Set expr and expr_const_operands fields in
2091 (declspecs_add_type): Handle expressions in typeof specifiers.
2092 * c-parser.c (c_parser_declspecs): Set expr and
2093 expr_const_operands fields for declaration specifiers.
2094 (c_parser_enum_specifier): Likewise.
2095 (c_parser_struct_or_union_specifier): Likewise.
2096 (c_parser_typeof_specifier): Likewise. Update call to
2097 groktypename. Fold expression as needed. Return expressions with
2098 type instead of adding statements.
2099 (c_parser_attributes): Update calls to c_parser_expr_list.
2100 (c_parser_statement_after_labels): Fold expression before passing
2101 to objc_build_throw_stmt.
2102 (c_parser_condition): Fold expression.
2103 (c_parser_asm_operands): Fold expression.
2104 (c_parser_conditional_expression): Use c_save_expr. Update call
2105 to build_conditional_expr.
2106 (c_parser_alignof_expression): Update call to groktypename.
2107 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2108 original_code. Fold expression argument of va_arg. Create
2109 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2110 argument to va_arg. Update calls to groktypename. Fold array
2111 index for offsetof. Verify that first argument to
2112 __builtin_choose_expr has integer type.
2113 (c_parser_postfix_expression_after_paren_type): Update calls to
2114 groktypename and build_compound_literal. Handle expressions with
2115 side effects in type name.
2116 (c_parser_postfix_expression_after_primary): Update call to
2117 c_parser_expr_list. Set original_code for calls to
2118 __builtin_constant_p.
2119 (c_parser_expr_list): Take extra parameter fold_p. Fold
2120 expressions if requested.
2121 (c_parser_objc_type_name): Update call to groktypename.
2122 (c_parser_objc_synchronized_statement): Fold expression.
2123 (c_parser_objc_receiver): Fold expression.
2124 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2125 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2126 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2127 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2128 (struct c_typespec): Add elements expr and expr_const_operands.
2129 (struct c_declspecs): Add elements expr and expr_const_operands.
2130 (groktypename, build_conditional_expr, build_compound_literal):
2132 (in_late_binary_op): Declare.
2133 * c-typeck.c (note_integer_operands): New function.
2134 (in_late_binary_op): New variable.
2135 (decl_constant_value_for_broken_optimization): Move to c-common.c
2136 and rename to decl_constant_value_for_optimization.
2137 (default_function_array_conversion): Do not strip nops.
2138 (default_conversion): Do not call
2139 decl_constant_value_for_broken_optimization.
2140 (build_array_ref): Do not fold result.
2141 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2142 result when operand is a VLA.
2143 (c_expr_sizeof_type): Update call to groktypename. Handle
2144 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2145 result when operand names a VLA type.
2146 (build_function_call): Update call to build_compound_literal.
2147 Only fold result for calls to __builtin_* functions. Strip
2148 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2149 the function designator.
2150 (convert_arguments): Fold arguments. Update call to
2151 convert_for_assignment.
2152 (build_unary_op): Handle increment and decrement of
2153 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2154 decrement earlier. Fold operand of increment and decrement.
2155 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2156 built for integer operand. Wrap returns that are INTEGER_CSTs
2157 without being integer constant expressions or that have integer
2158 constant operands without being INTEGER_CSTs.
2159 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2160 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2161 result is an integer constant expression or can be used in
2162 unevaluated parts of one and avoid folding and wrap as
2163 appropriate. Fold operands before possibly doing -Wsign-compare
2165 (build_compound_expr): Wrap result for C99 if operands can be used
2166 in integer constant expressions.
2167 (build_c_cast): Update call to digest_init. Do not ignore
2168 overflow from casting floating-point constants to integers. Wrap
2169 results that could be confused with integer constant expressions,
2170 null pointer constants or floating-point constants.
2171 (c_cast_expr): Update call to groktypename. Handle expressions
2172 included in type name.
2173 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2174 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2175 Update calls to convert_for_assignment.
2176 (convert_for_assignment): Take new parameter
2177 null_pointer_constant. Do not strip nops or call
2178 decl_constant_value_for_broken_optimization. Set
2179 in_late_binary_op for conversions to boolean.
2180 (store_init_value): Update call to digest_init.
2181 (digest_init): Take new parameter null_pointer_constant. Do not
2182 call decl_constant_value_for_broken_optimization. pedwarn for
2183 initializers not constant expressions. Update calls to
2184 convert_for_assignment.
2185 (constructor_nonconst): New.
2186 (struct constructor_stack): Add nonconst element.
2187 (really_start_incremental_init, push_init_level, pop_init_level):
2188 Handle constructor_nonconst and nonconst element.
2189 (set_init_index): Call constant_expression_warning for array
2191 (output_init_element): Fold value. Set constructor_nonconst as
2192 applicable. pedwarn for initializers not constant expressions.
2193 Update call to digest_init. Call constant_expression_warning
2194 where constant initializers are required.
2195 (process_init_element): Use c_save_expr.
2196 (c_finish_goto_ptr): Fold expression.
2197 (c_finish_return): Fold return value. Update call to
2198 convert_for_assignment.
2199 (c_start_case): Fold switch expression.
2200 (c_process_expr_stmt): Fold expression.
2201 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2202 ensure statement expression is not evaluated in constant expression.
2203 (build_binary_op): Track whether results are integer constant
2204 expressions or may occur in such, disable folding and wrap results
2205 as applicable. Fold operands for -Wsign-compare warnings unless
2207 (c_objc_common_truthvalue_conversion): Handle results folded to
2208 integer constants that are not integer constant expressions.
2209 * doc/extend.texi: Document when typeof operands are evaluated,
2210 that condition of __builtin_choose_expr is an integer constant
2211 expression, and more about use of __builtin_constant_p in
2214 2009-03-29 Richard Guenther <rguenther@suse.de>
2216 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2217 propagate addresses of array references.
2219 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2221 * regmove.c (perhaps_ends_bb_p): Remove.
2222 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2223 from INSN and check that the main loop stays within that basic block.
2224 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2225 (regmove_forward_pass): Split out from regmove_optimize. Use
2226 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2227 (regmove_backward_pass): Split out from regmove_optimize. Use
2228 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2229 (regmove_optimize): Simplify.
2231 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2234 * config/i386/i386.c (classify_argument): Ignore flexible array
2235 member in struct and warn ABI change.
2237 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2239 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2241 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2242 (ix86_adjust_cost): Updated.
2244 2009-03-29 Jan Hubicka <jh@suse.cz>
2247 * tree-pass.h (pass_cleanup_eh): New function.
2248 (remove_unreachable_regions): Break code handling RTL
2249 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2250 that can not be reached by runtime.
2251 (can_be_reached_by_runtime): New function.
2252 (label_to_region_map): New function.
2253 (num_eh_regions): New function.
2254 (rtl_remove_unreachable_regions): New function.
2255 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2256 (remove_eh_region): New function.
2257 * except.h: Include sbitmap and vecprim.
2258 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2259 num_eh_regions): Declare.
2260 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2261 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2262 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2263 (tree_empty_eh_handler_p): New function.
2264 (cleanup_empty_eh): New function.
2265 (cleanup_eh): New function.
2266 (pass_cleanup_eh): New function.
2268 2009-03-29 Jan Hubicka <jh@suse.cz>
2270 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2271 for removed regions.
2273 2009-03-29 Jan Hubicka <jh@suse.cz>
2275 * except.c (dump_eh_tree): Dump all datastructures.
2277 2009-03-29 Jan Hubicka <jh@suse.cz>
2279 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2280 (duplicate_eh_regions_1): Likewise.
2281 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2282 vector; call EH verification.
2283 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2284 Be ready for region being removed.
2286 2009-03-29 Jan Hubicka <jh@suse.cz>
2288 * bitmap.c (bitmap_last_set_bit): New function.
2289 * bitmap.h (bitmap_last_set_bit): Declare.
2291 2009-03-29 David Ayers <ayers@fsfe.org>
2294 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2295 by calling objc_compare_types and surpress warnings about
2296 incompatible C pointers that are compatible ObjC pointers.
2298 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2300 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2301 call initialize_inline_failed.
2302 (initialize_inline_failed): Move it from here ...
2303 * cgraph.c (initialize_inline_failed): ... to here.
2304 (cgraph_create_edge): Call initialize_inline_failed rather than
2305 setting inline_failed directly.
2307 2009-03-29 Ben Elliston <bje@au.ibm.com>
2310 * sysv4.opt (msdata): Improve comment.
2311 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2312 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2314 2009-03-29 Ben Elliston <bje@au.ibm.com>
2317 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2318 load and store attributes.
2320 2009-03-29 Ben Elliston <bje@au.ibm.com>
2322 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2323 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2324 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2325 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2326 __builtin_infq and __builtin_huge_valq.
2328 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2330 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2332 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2333 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2335 2009-03-28 Xinliang David Li <davidxl@google.com>
2337 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2338 (do_dbg_cnt): New function.
2340 2009-03-28 Jan Hubicka <jh@suse.cz>
2342 Merge from pretty-ipa:
2344 2009-03-27 Jan Hubicka <jh@suse.cz>
2346 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2347 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2348 * passes.c (function_called_by_processed_nodes_p): New.
2349 * ipa-pure-const.c (check_call): Fix handling of operands.
2350 (analyze_function): Dump debug output for skipped bodies.
2351 (local_pure_const): Use function_called_by_processed_nodes_p.
2352 * dwarf2out.c (reference_to_unused): Use output.
2353 * passes.c (do_per_function_toporder): Likewise.
2355 2008-11-12 Jan Hubicka <jh@suse.cz>
2357 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2358 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2359 state_set_in_source enum
2360 (check_decl): Ignore memory tags; do not set fake looping flags;
2362 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2363 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2364 (check_call, analyze_function): Rewrite.
2366 (add_new_function): Update call of analyze_function.
2367 (generate_summary): Add call of analyze_function.
2368 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2369 (local_pure_const): New function.
2370 (pass_local_pure_const): New pass.
2371 * ipa-inline.c (inline_transform): Set after_inlining.
2372 * tree-eh.c (stmt_can_throw_external): New.
2373 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2374 work with aliasing built.
2375 * tree-flow.h (stmt_can_throw_external): New.
2376 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2377 and local pure/const pass in early and late optimization queue.
2379 2009-03-28 Martin Jambor <mjambor@suse.cz>
2381 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2383 (fold_binary): Allow function decl aligment consideration is the
2384 second argument is integer constant one.
2385 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2386 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2387 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2389 2009-03-28 Jan Hubicka <jh@suse.cz>
2391 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2392 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2393 * function.h (rtl_data): Add nothrow flag.
2394 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2395 set DECL_NOTHROW for AVAILABLE functions.
2397 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2399 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2400 following vector keyword has expansion starting with pixel or bool
2401 keyword, expand vector to __vector and pixel or bool to __pixel or
2405 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2406 warn_if_disallowed_function_p): Removed.
2407 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2408 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2409 warning_if_disallowed_function_p.
2410 * flags.h (warn_if_disallowed_function_p,
2411 warn_disallowed_functions): Removed.
2412 * common.opt (Wdisallowed-function-list=): Removed.
2413 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2415 2009-03-28 Richard Guenther <rguenther@suse.de>
2417 PR tree-optimization/38723
2418 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2421 2009-03-28 Jan Hubicka <jh@suse.cz>
2423 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2424 test introduced by my previous patch.
2426 2009-03-28 Richard Guenther <rguenther@suse.de>
2428 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2429 the PHIs value undefined.
2431 2009-03-28 Jan Hubicka <jh@suse.cz>
2433 * tree-pass.h (pass_fixup_cfg): New pass.
2434 * ipa-inline.c (inline_transform): Set
2435 always_inline_functions_inlined/after_inlining.
2436 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2437 (pass_fixup_cfg): New pass.
2438 * passes.c (init_optimization_passes): Add fixup_cfg.
2440 2009-03-28 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/38458
2443 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2444 argument use the arguments copy-of value.
2446 2009-03-28 Richard Guenther <rguenther@suse.de>
2448 PR tree-optimization/38180
2449 * tree-ssa-ccp.c (get_default_value): Simplify.
2450 (likely_value): Likewise.
2451 (surely_varying_stmt_p): Properly handle VOP case.
2452 (ccp_initialize): Likewise.
2453 (ccp_fold): Handle propagating through *&.
2454 (fold_const_aggregate_ref): Also handle decls.
2456 2009-03-28 Jan Hubicka <jh@suse.cz>
2458 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2459 * cgraph.h (cgraph_node): Likewise.
2460 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2461 (cgraph_reset_node): Use process flag.
2462 (cgraph_mark_functions_to_output): Likewise.
2463 (cgraph_expand_function): Likewise.
2464 (cgraph_expand_all_functions): Likewise.
2465 (cgraph_output_in_order): Likewise.
2466 * dwarf2out.c (reference_to_unused): Likewise.
2467 * passes.c do_per_function_toporder): Likewise.
2469 2009-03-28 Jan Hubicka <jh@suse.cz>
2471 Bring from lto-branch:
2473 2008-09-03 Doug Kwan <dougkwan@google.com>
2475 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2476 enums instead of reason strings.
2477 * cgraph.c (cgraph_create_edge): Same.
2478 (cgraph_inline_failed_string): New function.
2479 * cgraph.h (cgraph_inline_failed_t): New enum type.
2480 (cgraph_inline_failed_string): New prototype.
2481 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2482 char pointer to cgraph_inline_failed_t.
2483 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2484 (cgraph_default_inline_p): Ditto.
2485 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2486 to cgraph_inline_failed_t pointer.
2487 * cif-code.def: New file.
2488 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2490 (cgraph_check_inline_limits): Change type of REASON to pointer to
2491 cgraph_inline_failed_t. Replace reason strings with enums.
2492 (cgraph_default_inline_p): Ditto.
2493 (cgraph_recursive_inlining_p): Ditto.
2494 (update_caller_keys): Change type of FAILED_REASON to
2495 cgraph_inline_failed_t.
2496 (cgraph_set_inline_failed): Change type of REASON to pointer to
2497 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2498 convert enums to strings for text output.
2499 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2500 to be of type cgraph_inline_failed_t. Replace reason strings with
2501 enums. Call cgraph_inline_failed_string to covert enums
2502 to strings for text output.
2503 (cgraph_decide_inlining): Replace reason strings with enums.
2504 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2505 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2507 * tree-inline.c (expand_call_inline): Change type of REASON
2508 to cgraph_inline_failed_t. Replace reason strings with enums.
2509 Call cgraph_inline_failed_string for text output.
2510 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2513 2009-03-28 Jan Hubicka <jh@suse.cz>
2515 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2516 cgraph_clone_node): Remove master clone handling.
2517 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2518 * cgraph.h (master_clone): Remove.
2519 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2520 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2521 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2523 2009-03-28 Jan Hubicka <jh@suse.cz>
2525 * cgraph.c (cgraph_function_body_availability): Functions declared
2526 inline are always safe to assume that it is not going to be replaced.
2528 2009-03-28 Richard Guenther <rguenther@suse.de>
2530 PR tree-optimization/38513
2531 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2532 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2533 EXC_PTR_EXPR and FILTER_EXPR.
2534 (get_ref_from_reference_ops): Likewise.
2536 2009-03-28 Richard Guenther <rguenther@suse.de>
2538 PR tree-optimization/38968
2539 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2540 Use FLOOR_MOD_EXPR to compute misalignment.
2542 2009-03-28 Richard Guenther <rguenther@suse.de>
2544 PR tree-optimization/37795
2545 * tree.h (combine_comparisons): Declare.
2546 * fold-const.c (combine_comparisons): Export.
2547 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2549 (ifcombine_iforif): Use combine_comparisons.
2551 2009-03-28 Jan Hubicka <jh@suse.cz>
2553 * tree-eh.c (inlinable_call_p): New function.
2554 (make_eh_edges): Use it.
2555 (verify_eh_edges): Use it.
2556 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2557 * except.c (reachable_next_level): Add inlinable_function argument
2558 (sjlj_find_directly_reachable_regions): Update.
2559 (add_reachable_handler): Do not set saw_any_handlers.
2560 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2561 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2562 Add new inlinable call parameter.
2563 (can_throw_internal, can_throw_external): Update.
2564 * except.h (can_throw_internal_1, can_throw_external_1,
2565 foreach_reachable_handler): Update declaration.
2567 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2569 * config/arm/t-arm-coff, config/h8300/coff.h,
2570 config/i386/i386-aout.h, config/i386/i386-coff.h,
2571 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2572 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2573 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2574 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2575 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2576 sys-types.h: Remove.
2577 * Makefile.in: Remove protoize and fixproto support and references
2579 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2580 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2582 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2583 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2584 unprotoize$(exeext).
2585 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2586 (.PHONY): Don't depend on proto.
2587 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2588 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2589 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2590 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2591 build/gen-protos.o, build/scan.o, xsys-protos.h,
2592 build/fix-header$(build_exeext), build/fix-header.o,
2593 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2594 stmp-install-fixproto): Remove.
2595 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2596 SYSCALLS.c or fixproto files.
2597 (install-common): Don't install protoize.
2598 (install-headers-tar, install-headers-cpio, install-headers-cp):
2599 Don't depend on $(STMP_FIXPROTO).
2600 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2601 install fixproto files or write out fixproto settings.
2602 (uninstall): Don't uninstall protoize.
2603 * config.gcc (use_fixproto): Remove.
2604 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2605 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2606 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2607 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2608 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2609 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2610 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2611 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2612 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2613 * config/t-vxworks (STMP_FIXPROTO): Remove.
2614 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2615 STMP_FIXPROTO): Remove.
2616 * config.in, configure: Regenerate.
2617 * crtstuff.c (gid_t, uid_t): Don't undefine.
2618 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2619 (arm-*-coff, arm-*-aout: Remove target entries.
2620 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2621 Remove mention of AIX 4.1.
2622 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2623 * doc/invoke.texi (Running Protoize): Remove.
2624 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2625 (Protoize Caveats): Remove.
2626 * tsystem.h: Update comments on headers assumed to exist.
2628 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2630 * genautomata.c: Add a new year to the copyright. Add a new
2632 (struct insn_reserv_decl): Add comments for member bypass_list.
2633 (find_bypass): Remove.
2634 (insert_bypass): New.
2635 (process_decls): Use insert_bypass.
2636 (output_internal_insn_latency_func): Output all bypasses with the
2637 same input insn in one switch case.
2639 * rtl.def (define_bypass): Describe bypass choice.
2640 * doc/md.texi (define_bypass): Ditto.
2642 2009-03-27 Richard Guenther <rguenther@suse.de>
2644 * gimplify.c (mark_addressable): Export.
2645 * tree-flow.h (mark_addressable): Declare.
2646 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2647 * tree-ssa.c (verify_phi_args): Verify that address taken
2648 variables have TREE_ADDRESSABLE set.
2650 2009-03-27 Richard Guenther <rguenther@suse.de>
2652 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2653 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2654 Do not mark decls TREE_ADDRESSABLE.
2655 (build_fold_addr_expr): Adjust.
2656 (fold_addr_expr): Remove.
2657 (fold_unary): Use build_fold_addr_expr.
2658 (fold_comparison): Likewise.
2659 (split_address_to_core_and_offset): Likewise.
2660 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2662 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2663 (gimplify_modify_expr_to_memcpy): Mark source and destination
2665 * omp-low.c (create_omp_child_function): Mark the object decl
2667 (lower_rec_input_clauses): Mark the var we take the address of
2669 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2671 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2674 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2675 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2677 2009-03-27 Richard Guenther <rguenther@suse.de>
2679 PR tree-optimization/39120
2680 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2682 (handle_lhs_call): Process return constraints. Add escape
2683 constraints if necessary.
2684 (handle_const_call): Fill out return constraints. Make nested
2685 case more precise. Avoid consttmp if possible.
2686 (handle_pure_call): Fill out return constraints. Avoid
2687 callused if possible.
2688 (find_func_aliases): Simplify call handling.
2690 2009-03-27 Richard Guenther <rguenther@suse.de>
2692 PR tree-optimization/39120
2693 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2694 as a representative.
2695 (solve_graph): Do propagate CALLUSED.
2696 (handle_pure_call): Use a scalar constraint from CALLUSED for
2698 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2701 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2704 * c-common.c (handle_aligned_attribute): Properly check alignment
2705 overflow. Use (1U << i) instead of (1 << i).
2707 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2709 * expr.h (get_mem_align_offset): Updated.
2711 * tree.h (tree_decl_common): Change align to "unsigned int" and
2712 move it before pointer_alias_set.
2714 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2715 Jakub Jelinek <jakub@redhat.com>
2718 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2719 gr_register_operand with gr_reg_or_0_operand.
2720 (cmpxchg_rel_di): Likewise.
2721 (sync_lock_test_and_set<mode>): Likewise.
2723 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2725 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2726 (true_regnum): Likewise.
2728 * rtlanal.c (subreg_info): Moved to ...
2729 * rtl.h (subreg_info): Here. New.
2730 (subreg_get_info): New.
2732 * rtlanal.c (subreg_get_info): Make it extern.
2734 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2737 * config/i386/i386.c (ix86_abi): New.
2738 (override_options): Handle -mabi=.
2739 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2740 (ix86_call_abi_override): Likewise.
2741 (init_cumulative_args): Likewise.
2742 (function_arg_advance): Likewise.
2743 (function_arg_64): Likewise.
2744 (function_arg): Likewise.
2745 (ix86_pass_by_reference): Likewise.
2746 (ix86_function_value_regno_p): Likewise.
2747 (ix86_build_builtin_va_list_abi): Likewise.
2748 (setup_incoming_varargs_64): Likewise.
2749 (is_va_list_char_pointer): Likewise.
2750 (ix86_init_machine_status): Likewise.
2751 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2752 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2753 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2754 (ix86_function_abi): Make it static and return enum calling_abi.
2755 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2757 (ix86_fn_abi_va_list): Updated.
2759 * config/i386/i386.h (ix86_abi): New.
2760 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2761 (CONDITIONAL_REGISTER_USAGE): Likewise.
2762 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2763 (machine_function): Likewise.
2765 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2767 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2768 (STACK_BOUNDARY): Likewise.
2769 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2771 * config/i386/i386.opt (mabi=): New.
2773 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2774 return enum calling_abi.
2775 (ix86_function_type_abi): Likewise.
2776 (ix86_function_abi): Removed.
2778 * doc/invoke.texi: Document -mabi= option for x86.
2780 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2782 * builtins.c (real_dconstp): Delete.
2783 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2785 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2786 Jakub Jelinek <jakub@redhat.com>
2789 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2790 (gen_subprogram_die): When a function is explicit, generate the
2791 DW_AT_explicit attribute.
2792 * langhooks.h (struct lang_hooks_for_decls): Add
2793 function_decl_explicit_p langhook.
2794 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2795 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2797 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2799 * builtins.c (fold_builtin_memory_op): Optimize memmove
2800 into memcpy if we can prove source and destination don't overlap.
2802 * tree-inline.c: Include gt-tree-inline.h.
2803 (clone_fn_id_num): New variable.
2804 (clone_function_name): New function.
2805 (tree_function_versioning): Use it.
2806 * Makefile.in (GTFILES): Add tree-inline.c.
2808 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2810 * BASE-VER: Change to 4.5.0.
2812 2009-03-27 Xinliang David Li <davidxl@google.com>
2814 PR tree-optimization/39557
2815 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2817 2009-03-27 Xinliang David Li <davidxl@google.com>
2819 PR tree-optimization/39548
2820 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2823 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2825 * c-common.c (pointer_int_sum): Use %wd on return from
2828 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2830 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2831 on return from tree_low_cst.
2833 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2836 * ginclude/stdarg.h (va_copy): Define also for
2837 __GXX_EXPERIMENTAL_CXX0X__.
2839 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2842 * builtins.h (c_strlen): Do not warn here.
2843 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2844 * c-common.c (pointer_int_sum): Take an explicit location.
2845 Warn about offsets out of bounds.
2846 * c-common.h (pointer_int_sum): Adjust declaration.
2848 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2850 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2853 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2856 * opts.c (warn_if_disallowed_function_p): Don't assume
2857 get_callee_fndecl must return non-NULL.
2859 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2861 PR rtl-optimization/39522
2862 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2863 when reg_reloaded_valid is set.
2865 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2867 * config/spu/divv2df3.c: New file.
2868 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2869 (DPBIT_FUNCS): Filter out _div_df.
2871 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2873 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2874 a jump insn, count that jump in the distance to the loop start.
2876 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2879 * config/sh/sh.c (calc_live_regs): Fix condition for global
2880 registers except PIC_OFFSET_TABLE_REGNUM.
2882 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2885 * doc/invoke.texi (-mconsole): New.
2889 (-mnop-fun-dllimport): New.
2893 (sub section "i386 and x86-64 Windows Options"): New.
2895 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2897 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2898 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2900 2009-03-25 Richard Guenther <rguenther@suse.de>
2903 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2906 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2908 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2909 neither of haifa/selective schedulers are working.
2911 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2913 * doc/invoke.texi (Debugging Options): Fix description of
2914 -fno-merge-debug-strings.
2916 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2918 * config/cris/libgcc.ver: New version-script.
2919 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2921 * configure.ac <GAS features, nop mnemonic>: Add pattern
2922 crisv32-*-* for "nop".
2923 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2924 * configure: Regenerate.
2926 2009-03-24 Ira Rosen <irar@il.ibm.com>
2928 PR tree-optimization/39529
2929 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2930 mark_sym_for_renaming for the tag copied to the new vector
2933 2009-03-24 Arthur Loiret <aloiret@debian.org>
2935 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2936 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2937 EXTRA_SPEC_FUNCTIONS.
2938 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2939 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2940 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2941 -march and -mtune options.
2943 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2945 * config/m68k/t-rtems: Add m5329 multilib.
2947 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2948 Jakub Jelinek <jakub@redhat.com>
2951 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2954 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2957 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2958 instead of c_parser_expression_conv, if original_code isn't one of the
2959 4 allowed comparison codes, fail.
2961 2009-03-23 Richard Guenther <rguenther@suse.de>
2963 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2964 * tree.h (struct tree_type): Likewise.
2965 * reload.h (struct insn_chain): Likewise.
2966 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2967 * function.h (struct function): Likewise.
2968 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2970 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2972 PR tree-optimization/39516
2973 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2975 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2977 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2978 should be set true if BITS_PER_WORD of target is bigger than 32
2980 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2982 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2983 Translate -B-options to -rpath-link. Correct existing
2984 rpath-link and conditionalize on !nostdlib.
2986 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2988 * doc/extend.texi (Function Attributes, Variable Attributes):
2990 * doc/invoke.texi (Debugging Options, Optimize Options)
2991 (i386 and x86-64 Options, MCore Options): Likewise.
2993 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2996 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2997 it for block local namespace aliases.
2998 (gen_decl_die): Pass context_die to gen_namespace_die.
3000 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3003 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3004 minimum or maximum value.
3006 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3008 * reginfo.c (globalize_reg): Recompute derived reg sets.
3010 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3013 * libgcc2.c (mprotect): Do not use signed arguments for
3014 VirtualProtect, use DWORD arguments. Also fix the 'may
3015 be used uninitialized' warning for the np variable.
3017 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3020 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3021 functions using regparm calling conventions when not optimizing.
3022 (ix86_function_sseregparm): Similarly for sseregparm calling
3025 2009-03-19 Li Feng <nemokingdom@gmail.com>
3028 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3029 dependence if the first conflict is after niter iterations.
3031 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3034 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3035 functions with dynamic stack-pointer adjustments.
3037 2009-03-19 Ben Elliston <bje@au.ibm.com>
3039 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3040 option; change to -msdata=data.
3042 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3044 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3047 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3050 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3052 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3054 * doc/invoke.texi (Code Gen Options): Expand discussion of
3057 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3059 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3060 * matrix-reorg.c (struct matrix_info): Likewise.
3061 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3062 * rtl.h (struct mem_attrs): Likewise.
3063 * df.h (struct df): Likewise.
3064 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3065 * ira-int.h (struct ira_allocno): Likewise.
3066 * df-scan.c (struct df_collection_rec): Likewise.
3067 * ira.c (struct equivalence): Likewise.
3068 * function.c (struct temp_slot): Likewise.
3069 * cfgloop.h (struct loop): Likewise.
3072 * function.c (use_register_for_decl): When not optimizing, disregard
3073 register keyword for variables with types containing methods.
3075 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3078 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3079 (is_simple_operand): Call contains_component_ref_p before calling data
3080 reference analysis that would fail on COMPONENT_REFs.
3082 * tree-vrp.c (search_for_addr_array): Fix formatting.
3084 2009-03-18 Richard Guenther <rguenther@suse.de>
3086 * tree-vect-transform.c (vect_loop_versioning): Fold the
3087 generated comparisons.
3088 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3089 (slpeel_tree_peel_loop_to_edge): Likewise.
3091 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3094 * opts.c (print_specific_help): In addition to `undocumented',
3095 accept `separate' and `joined' flags if passed alone. Describe
3096 output by the first matched one of those.
3097 (common_handle_option): Skip over empty strings.
3098 * gcc.c (display_help): Fix help string for `--help='.
3099 * doc/invoke.texi (Option Summary, Overall Options): With
3100 `--help=', classes and qualifiers can both be repeated, but
3101 only the latter can be negated. One should not pass only
3102 negated qualifiers. Fix markup and examples.
3105 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3107 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3108 and -fhelp=separate.
3110 2009-03-17 Jing Yu <jingyu@google.com>
3113 * function.h (struct rtl_data): Move is_thunk from here...
3114 (struct function): ...to here.
3115 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3116 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3118 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3120 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3121 (alpha_output_function_end_prologue): Likewise.
3122 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3123 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3124 (rs6000_output_function_epilogue): Likewise.
3125 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3127 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3130 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3131 from different units in a single alternative.
3132 (*truncdfsf_i387): Ditto.
3133 (*truncxfsf2_mixed): Ditto.
3134 (*truncxfdf2_mixed): Ditto.
3136 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3138 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3139 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3142 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3143 unused non-artificial variables when not optimizing.
3146 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3147 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3148 NAMESPACE_DECL in its DECL_INITIAL.
3151 * optabs.c (set_user_assembler_libfunc): New function.
3152 * expr.h (set_user_assembler_libfunc): New prototype.
3153 * c-common.c: Include libfuncs.h.
3154 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3155 for memcmp, memset, memcpy, memmove and abort.
3156 * Makefile.in (c-common.o): Depend on libfuncs.h.
3159 * dwarf2out.c (gen_inlined_enumeration_type_die,
3160 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3161 gen_tagged_type_instantiation_die): Removed.
3162 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3165 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3168 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3170 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3171 (check-parallel-%): Ditto.
3172 (check-consistency): Ditto.
3174 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3176 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3177 local variable rhs by NULL_TREE.
3179 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3182 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3184 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3187 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3189 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3192 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3193 for ms->sysv ABI calls only in 64bit mode.
3195 * config/i386/i386.md (untyped_call): Support 32bit.
3197 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3199 * doc/extend.texi: Replace x86_65 with x86_64.
3201 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3203 PR tree-optimization/39455
3204 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3205 mismatches for POINTER_TYPE_P (type).
3206 (number_of_iterations_le): Likewise.
3208 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3210 * config/picochip/picochip.c: Removed profiling support.
3211 * config/picochip/picochip.md: Removed profiling instruction.
3212 * config/picochip/picochip.h: Removed profiling builtin.
3214 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3216 * doc/install.texi (--with-host-libstdcxx): Document.
3218 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3221 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3222 generate a warning if the function name does not begin with
3223 "__vector" and the function has either the 'signal' or 'interrupt'
3224 attribute, from here to ...
3225 (avr_declare_function_name): ...here. New function.
3226 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3227 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3229 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3232 * cse.c (fold_rtx): Don't modify original const_arg1 when
3233 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3234 separate variable instead.
3235 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3236 from out of range shift counts.
3237 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3239 2008-03-13 Catherine Moore <clm@codesourcery.com>
3241 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3242 diagnostic.h with $(DIAGNOSTIC_H).
3244 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3247 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3249 * config/i386/sync.md (sync_compare_and_swap<mode>,
3250 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3251 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3253 (sync_double_compare_and_swapdi_pic,
3254 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3255 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3257 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3260 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3262 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3265 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3266 (avx_addsubv4df3): Likewise.
3267 (*avx_addsubv4sf3): Likewise.
3268 (sse3_addsubv4sf3): Likewise.
3270 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3273 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3275 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3278 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3279 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3280 registers for allocnos created from user-defined variables.
3282 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3285 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3286 of non-integer mode as well.
3288 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3290 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3291 for functions for which the parameter types are unknown.
3293 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3296 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3297 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3298 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3299 * config/i386/i386.c (ix86_local_alignment): For
3300 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3301 long long variables on the stack to avoid dynamic realignment.
3302 Allow the first argument to be a decl rather than type.
3303 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3305 2009-03-11 Nick Clifton <nickc@redhat.com>
3308 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3310 Add description to mno-lsim option.
3311 * config/mcore/mcore.h: Remove comment about deprecated m4align
3313 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3314 * doc/invoke.texi: Add description of mno-lsim and
3315 mstack-increment options.
3317 * config/fr30/fr30.opt: Document the -mno-lsim option.
3318 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3319 and -mno-lsim options.
3321 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3323 * fold-const.c (fold_comparison): Only call fold_inf_compare
3324 if the mode supports infinities.
3326 2009-03-11 Jason Merrill <jason@redhat.com>
3329 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3330 end already did. Notice GIMPLE_CALL modifications of the result.
3331 Don't copy debug information from an ignored decl or a decl from
3334 2009-03-10 Richard Guenther <rguenther@suse.de>
3335 Nathan Froyd <froydnj@codesourcery.com>
3338 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3339 (__divMODE3): Likewise.
3341 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3343 PR tree-optimization/39394
3344 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3345 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3347 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3349 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3350 inline asms for register asm ("") declarations.
3352 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3354 * fold-const.c (fold_unary): Fix comment.
3356 2009-03-07 Jan Hubicka <jh@suse.cz>
3359 * tree-inline.c (setup_one_parameter): Do replacement of const
3360 argument by constant in SSA form.
3362 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3365 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3366 determine alignment passed to assign_stack_local.
3367 (assign_parms_unsplit_complex): Likewise.
3368 * except.c (sjlj_build_landing_pads): Likewise.
3370 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3373 * tree-flow.h (add_referenced_var): Return bool instead of void.
3374 * tree-dfa.c (add_referenced_var): Return result of
3375 referenced_var_check_and_insert call.
3376 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3377 of referenced_var_check_and_insert.
3380 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3381 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3382 DIE, don't emit it if abstract origin already has it.
3383 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3384 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3386 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3388 * genpreds.c (needs_variable): Fix parentheses at variable name
3390 (write_tm_constrs_h): Indent generated code.
3392 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3394 * doc/extend.texi (Function Attributes): Add documentation
3397 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3400 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3401 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3403 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3405 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3408 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3411 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3412 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3414 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3416 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3417 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3418 constants instead of magic numbers.
3419 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3421 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3422 (x86_64_ms_abi_int_parameter_registers): Ditto.
3423 (x86_64_int_return_registers): Ditto.
3424 (ix86_maybe_switch_abi): Ditto.
3425 (ix86_expand_call): Ditto for clobbered_registers array.
3426 (ix86_hard_regno_mode_ok): Ditto.
3427 (x86_extended_QIreg_mentioned_p): Ditto.
3429 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3431 PR tree-optimization/39349
3432 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3434 * combine.c (gen_lowpart_for_combine): Use omode when generating
3437 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3439 PR rtl-optimization/39235
3440 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3442 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3444 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3446 2009-03-04 Richard Guenther <rguenther@suse.de>
3448 PR tree-optimization/39362
3449 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3450 that occur in abnormal PHIs should be varying.
3452 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3454 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3456 (simple_iv): Take loop as an argument instead of statement.
3457 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3458 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3460 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3462 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3463 * matrix-reorg.c (analyze_transpose): Ditto.
3464 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3465 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3466 * tree-predcom.c (ref_at_iteration): Ditto.
3467 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3469 2009-03-04 Richard Guenther <rguenther@suse.de>
3471 PR tree-optimization/39358
3472 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3473 escaped_id and callused_id.
3474 (solve_graph): Likewise.
3476 2009-03-04 Richard Guenther <rguenther@suse.de>
3478 PR tree-optimization/39339
3479 * tree-sra.c (try_instantiate_multiple_fields): Make it
3480 no longer ICE on the above.
3482 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3484 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3485 that fits within Pmode.
3487 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3490 * tm.texi (LIBCALL_VALUE): Update description.
3492 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3495 * doc/extend.texi (section): Update description.
3497 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3500 * tree-inline.c (remapped_type): New.
3501 (can_be_nonlocal): Call remapped_type instead of remap_type.
3503 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3506 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3507 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3509 2009-03-03 Richard Guenther <rguenther@suse.de>
3512 * tree.c (tree_nonartificial_location): New function.
3513 * tree.h (tree_nonartificial_location): Declare.
3514 * builtins.c (expand_builtin_memory_chk): Provide location
3515 of the call location for artificial function pieces.
3516 (maybe_emit_chk_warning): Likewise.
3517 (maybe_emit_sprintf_chk_warning): Likewise.
3518 (maybe_emit_free_warning): Likewise.
3519 * expr.c (expand_expr_real_1): Likewise.
3521 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3523 PR tree-optimization/39343
3524 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3525 COMPONENT_REF t has ARRAY_TYPE.
3527 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3530 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3531 when the type precision of the induction variable should be
3532 larger than the type precision of nit.
3533 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3534 * graphite.c (graphite_loop_normal_form): Same.
3535 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3537 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3539 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3540 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3541 numbers to describe clobbered registers.
3542 (*call_value_0_rex64_ms_sysv): Ditto.
3543 * config/i386/mmx.md (mmx_emms): Ditto.
3546 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3548 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3551 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3553 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3554 (spu_section_type_flags): New function.
3556 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3558 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3559 reg_class_contents of FLOAT_REGS into a temporary.
3561 2009-03-02 Richard Guenther <rguenther@suse.de>
3562 Ira Rosen <irar@il.ibm.com>
3564 PR tree-optimization/39318
3565 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3566 information to the vectorized statement.
3568 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3570 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3571 variable. Use defined names instead of magic constants for REX SSE
3574 2009-03-01 Richard Guenther <rguenther@suse.de>
3576 PR tree-optimization/39331
3577 * omp-low.c (lower_send_shared_vars): Do not receive new
3578 values for the reference of DECL_BY_REFERENCE parms or results.
3580 2009-03-01 Jan Hubicka <jh@suse.cz>
3583 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3584 BLOCK_NONLOCALIZED_VAR): New macros.
3585 (tree_block): Add nonlocalized_vars.
3586 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3587 gen_decl_die): Add origin argument. Allow generation of die with
3588 origin at hand only.
3589 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3590 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3592 (gen_block_die): Fix checking for unused blocks.
3593 (process_scope_var): Break out from .... ; work with origins only.
3594 (decls_for_scope) ... here; process nonlocalized list.
3595 (dwarf2out_ignore_block): Look for nonlocalized vars.
3596 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3598 (dump_scope_block): Dump them.
3599 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3600 (remap_block): Likewise.
3601 (can_be_nonlocal): New predicate.
3602 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3604 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3606 * configure: Regenerate.
3608 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3610 * optc-gen.awk: No need to duplicate option flags twice.
3611 Reuse help texts for duplicate options which do not have any.
3613 * gcc.c (display_help): Document --version.
3615 * gcc.c (main): If print_help_list and verbose_flag, ensure
3616 driver output comes before subprocess output.
3618 * optc-gen.awk: Assign all remaining fields to help string,
3619 space-separated, for multi-line help in *.opt.
3621 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3622 -Wno-pedantic-ms-format is for MinGW targets only.
3624 * doc/options.texi (Option file format): Fix bad indentation,
3625 restoring dropped sentence.
3627 2009-02-28 Jan Hubicka <jh@suse.cz>
3629 * tree-inline.c (tree_function_versioning): Output debug info.
3631 2009-02-28 Jan Hubicka <jh@suse.cz>
3634 * tree-inline.c (setup_one_parameter): Do not copy propagate
3635 arguments when not optimizing.
3637 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3640 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3641 (avx_addsubv4df3): Likewise.
3642 (*avx_addsubv4sf3): Likewise.
3643 (sse3_addsubv4sf3): Likewise.
3644 (*avx_addsubv2df3): Likewise.
3645 (sse3_addsubv2df3): Likewise.
3646 (avx_unpckhps256): Correct item selectors.
3647 (avx_unpcklps256): Likewise.
3648 (avx_unpckhpd256): Likewise.
3649 (avx_unpcklpd256): Likewise.
3651 2009-02-28 Jan Hubicka <jh@suse.cz>
3653 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3655 (copy_arguments_for_versioning): If var is declared don't declare it.
3656 (tree_function_versioning): First setup substitutions and then copy
3659 2009-02-27 Jan Hubicka <jh@suse.cz>
3662 * cgraph.h (varpool_output_debug_info): Remove.
3663 * cgraphunit.c (varpool_output_debug_info): Remove.
3664 * dwarf2out.c (deferred_locations_struct): New struct
3665 (deferred_locations): New type.
3666 (deferred_locations_list): New static var.
3667 (deffer_location): New function.
3668 (gen_variable_die): Use it.
3669 (decls_for_scope): Output info on local static vars.
3670 (dwarf2out_finish): Process deferred locations.
3671 * varpool.c (varpool_output_debug_info): Remove.
3673 2009-02-27 Jan Hubicka <jh@suse.cz>
3676 * tree.h (TREE_PROTECTED): Fix comment.
3677 (BLOCK_HANDLER_BLOCK): Remove.
3678 (struct tree_block): Remove handler_block add body_block.
3679 (inlined_function_outer_scope_p): New.
3680 (is_body_block): Remove.
3681 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3682 * dwarf2out.c (is_inlined_entry_point): Remove.
3683 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3684 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3686 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3687 * gimplify.c (gimplify_expr): Gimplify body blocks.
3688 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3689 block with multiple subblocks.
3690 (dump_scope_block): Prettier output; dump more flags and info.
3691 (dump_scope_blocks): New.
3692 (remove_unused_locals): Use dump_scope_blocks.
3693 * tree-flow.h (dump_scope_blocks): Declare.
3694 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3695 * stmt.c (is_body_block): Remove.
3696 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3697 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3699 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3702 * graphite.c (graphite_loop_normal_form): Do not call
3703 number_of_iterations_exit from a gcc_assert.
3705 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3707 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3708 jumps if COND is NULL.
3709 (find_cond_jump): New function.
3710 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3711 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3713 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3715 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3716 force_const_mem returns NULL_RTX.
3718 2009-02-26 Jan Hubicka <jh@suse.cz>
3721 * cgraph.h (varpool_output_debug_info): Remove.
3722 * cgraphunit.c (varpool_output_debug_info): Remove.
3723 * dwarf2out.c (deferred_locations_struct): New struct
3724 (deferred_locations): New type.
3725 (deferred_locations_list): New static var.
3726 (deffer_location): New function.
3727 (gen_variable_die): Use it.
3728 (decls_for_scope): Output info on local static vars.
3729 (dwarf2out_finish): Process deferred locations.
3730 * varpool.c (varpool_output_debug_info): Remove.
3732 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3734 PR rtl-optimization/39241
3735 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3736 to subreg_offset_representable_p.
3738 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3740 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3741 execute function prototype. Get f and nregs from max_reg_num
3742 and get_insns. Remove the first backward pass as it's dead,
3743 guard the forward pass by flag_expensive_optimizations.
3744 (rest_of_handle_regmove): Delete.
3745 (pass_regmove): Replace it with regmove_optimize.
3747 2009-02-25 Martin Jambor <mjambor@suse.cz>
3749 PR tree-optimization/39259
3750 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3751 calls_alloca function flags.
3752 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3755 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3757 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3758 flags_set_1_rtx, flags_set_1_set): Delete.
3759 (regmove_optimize): Do not call mark_flags_life_zones.
3761 2009-02-24 Julian Brown <julian@codesourcery.com>
3764 * config/arm/arm.c (require_pic_register): Only set
3765 cfun->machine->pic_reg once per function.
3767 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3769 * doc/invoke.texi (Link Options): Document an easier way to pass
3770 options that take arguments to the GNU linker using -Xlinker and -Wl.
3772 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3775 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3777 2009-02-24 Richard Guenther <rguenther@suse.de>
3780 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3782 2009-02-24 Richard Guenther <rguenther@suse.de>
3783 Zdenek Dvorak <ook@ucw.cz>
3785 PR tree-optimization/39233
3786 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3787 from converting them to a generic type.
3789 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3791 PR tree-optimization/39260
3792 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3793 contains a condition with a real type.
3794 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3796 2009-02-23 Jason Merrill <jason@redhat.com>
3799 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3800 narrowing_initializer_constant_valid_p.
3801 (narrowing_initializer_constant_valid_p): Don't return
3802 null_pointer_node for adding a pointer to itself.
3804 2009-02-23 Jan Hubicka <jh@suse.cz>
3807 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3810 2009-02-23 Jan Hubicka <jh@suse.cz>
3812 PR tree-optimization/37709
3813 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3814 * tree.h (block_ultimate_origin): Declare.
3815 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3816 * tree-ssa-live.c (remove_unused_scope_block_p):
3817 Eliminate blocks containig no instructions nor live variables nor
3819 (dump_scope_block): New function.
3820 (remove_unused_locals): Enable removal of dead blocks by default;
3821 enable dumping at TDF_DETAILS.
3823 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3825 * config/i386/i386.c (classify_argument): Don't allow COImode
3827 (function_arg_advance_32): Don't allow OImode.
3828 (function_arg_32): Likewise.
3829 (function_value_32): Likewise.
3830 (return_in_memory_32): Likewise.
3831 (function_arg_64): Remove OImode comment.
3833 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3836 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3837 ix86_expand_vector_set for V4DImode in 64bit mode only.
3838 (ix86_expand_vector_init_one_var): Likewise.
3840 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3842 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3844 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3847 * loop-iv.c: Revert last change.
3848 * emit-rtl.c: Likewise.
3850 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3853 * config/i386/i386.c (type_natural_mode): Remove an extra
3854 space in the warning message.
3855 (function_value_32): Handle 32-byte vector modes.
3856 (return_in_memory_32): Likewise.
3858 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3860 * loop-iv.c (truncate_value): New function.
3861 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3863 (lowpart_subreg): Move to...
3864 * emit-rtl.c: ...here.
3866 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3868 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3869 accidental and undocumented change at revision 140860.
3871 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3873 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3874 take gimple_seq * arguments.
3875 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3876 types_compatible_p langhook.
3878 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3879 Joseph Myers <joseph@codesourcery.com>
3881 * config/arm/arm.c (arm_builtin_va_list): New function.
3882 (arm_expand_builtin_va_start): Likewise.
3883 (arm_gimplify_va_arg_expr): Likewise.
3884 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3885 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3886 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3887 (va_list_type): New variable.
3888 (arm_mangle_type): Mangle va_list_type appropriately.
3890 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3893 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3894 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3895 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3896 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3897 parameter to 1000 for -O1 by default.
3898 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3900 * loop-invariant.c: Include params.h.
3901 (move_loop_invariants): Don't call move_single_loop_invariants on
3904 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3906 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3907 offset when calculating bounds for indexing stack_usage_map. Fixes
3908 a buffer overflow with certain target setups.
3910 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3913 * calls.c (expand_call): Clear try_tail_call if caller and callee
3914 disagree in promotion of function return value.
3916 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3919 * c-common.c (c_determine_visibility): If visibility changed and
3920 DECL_RTL has been already set, call make_decl_rtl to update symbol
3923 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3926 * varasm.c (assemble_variable): Don't check DECL_NAME when
3927 globalizing a variable.
3929 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3932 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3933 expression before any __builtin_trap call.
3934 * c-typeck.c (build_function_call): Convert and check function
3935 arguments before generating a call to a trap. Evaluate the
3936 function arguments before the trap.
3938 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3941 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3942 (UNSPEC_FXAM_MEM): New unspec.
3943 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3944 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3945 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3947 2009-02-19 Richard Guenther <rguenther@suse.de>
3949 PR tree-optimization/39207
3950 PR tree-optimization/39074
3951 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3952 storedanything_tree): New.
3953 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3954 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3955 (build_succ_graph): Add edges from STOREDANYTHING to all
3957 (init_base_vars): Initialize STOREDANYTHING.
3958 (compute_points_to_sets): Free substitution info after
3959 building the succ graph.
3960 (ipa_pta_execute): Likewise.
3962 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3964 (do_ds_constraint): Do not add to special var or non-pointer
3966 (type_could_have_pointers): Split out from ...
3967 (could_have_pointers): ... here. For arrays use the element type.
3968 (create_variable_info_for): Initialize may_have_pointers.
3969 (new_var_info): Likewise.
3970 (handle_lhs_call): Make the HEAP variable unknown-sized.
3971 (intra_create_variable_infos): Use a type with pointers for
3972 PARM_NOALIAS, make it unknown-sized.
3974 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3977 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3979 2009-02-18 Jason Merrill <jason@redhat.com>
3982 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3983 value if DECL_EXTERNAL.
3984 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3985 * target.h (gcc_target::binds_local_p): Clarify "module".
3986 * tree.h (TREE_PUBLIC): Clarify "module".
3988 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3991 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3992 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3994 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3997 * c.opt (Wabi): Support C and ObjC.
4000 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4002 * config/i386/i386.c (classify_argument): Warn once about the ABI
4003 change when passing union with long double.
4005 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4007 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4010 * c-parser.c (c_parser_compound_statement): Always enter and leave
4013 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4016 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4018 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4020 PR tree-optimization/36922
4021 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4022 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4025 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4027 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4030 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4032 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4034 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4036 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4039 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4040 Richard Sandiford <rdsandiford@googlemail.com>
4042 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4043 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4044 (loongson_biadd): ...this.
4046 2009-02-17 Richard Guenther <rguenther@suse.de>
4048 PR tree-optimization/39202
4049 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4050 a var make sure to follow existing collapses.
4052 2009-02-17 Richard Guenther <rguenther@suse.de>
4055 * langhooks.c (lhd_print_error_function): Check for NULL block.
4057 2009-02-17 Richard Guenther <rguenther@suse.de>
4059 PR tree-optimization/39204
4060 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4063 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4065 * config/soft-fp/double.h: Update from glibc CVS.
4067 2009-02-17 Richard Guenther <rguenther@suse.de>
4069 PR tree-optimization/39207
4070 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4071 strict-aliasing warnings for pointers pointing to NULL.
4073 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4076 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4077 skipping until next close brace.
4079 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4082 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4083 to function argument boundary.
4085 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4087 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4088 in the lea_add. Reload eventually constraints it properly.
4089 * config/picochip/constraints.md : Remove the target constraint
4090 "b", since it is not needed anymore.
4092 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4094 * gthr-dce.h: Uglify function parameter and local variable names.
4095 * gthr-gnat.h: Likewise.
4096 * gthr-mipssde.h: Likewise.
4097 * gthr-nks.h: Likewise.
4098 * gthr-posix95.h: Likewise.
4099 * gthr-posix.h: Likewise.
4100 * gthr-rtems.h: Likewise.
4101 * gthr-single.h: Likewise.
4102 * gthr-solaris.h: Likewise.
4103 * gthr-tpf.h: Likewise.
4104 * gthr-vxworks.h: Likewise.
4105 * gthr-win32.h: Likewise.
4107 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4110 * config/i386/i386.md: Restrict the new peephole2 to move
4111 between MMX/SSE registers.
4113 2009-02-15 Richard Guenther <rguenther@suse.de>
4116 2009-02-13 Richard Guenther <rguenther@suse.de>
4118 * configure.ac: Enable LFS.
4119 * configure: Re-generate.
4120 * config.in: Likewise.
4122 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4124 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4125 spu_srqwbyte, spu_srqwbytebc): Define.
4126 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4127 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4128 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4129 "shrqby_<mode>"): New insn-and-split patterns.
4130 * config/spu/spu.c (expand_builtin_args): Determine and return
4131 number of operands using spu_builtin_description data.
4132 (spu_expand_builtin_1): Use it.
4134 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4137 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4140 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4143 * config/i386/i386.c (override_options): Correct warning
4144 messages for -malign-loops, -malign-jumps and -malign-functions.
4146 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4149 * config/i386/i386.md: Restrict the new peephole2 to move
4150 between the general purpose registers.
4152 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4155 * config/i386/i386.c (type_natural_mode): Add a new argument.
4156 Return the original mode and warn ABI change if vector size is 32byte.
4157 (function_arg_advance): Updated.
4158 (function_arg): Likewise.
4159 (ix86_function_value): Likewise.
4160 (ix86_return_in_memory): Likewise.
4161 (ix86_sol10_return_in_memory): Likewise.
4162 (ix86_gimplify_va_arg): Likewise.
4163 (function_arg_32): Don't warn ABX ABI change here.
4164 (function_arg_64): Likewise.
4166 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4168 * loop-iv.c (implies_p): In the final case, test that operands 0
4169 of the two comparisons match.
4171 * config/bfin/bfin.c (find_prev_insn_start): New function.
4172 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4173 (find_next_insn_start): Move.
4175 2009-02-13 Richard Guenther <rguenther@suse.de>
4177 * configure.ac: Enable LFS.
4178 * configure: Re-generate.
4179 * config.in: Likewise.
4181 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4184 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4185 sizes on syntax error after some arguments have been parsed.
4187 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4189 * doc/invoke.texi (-fira): Remove.
4191 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4193 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4194 * recog.c: Likewise.
4197 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4199 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4200 (umul_ppmm): Likewise.
4201 (count_leading_zeros): Likewise.
4202 (count_trailing_zeros): Likewise.
4203 (UMUL_TIME): Likewise.
4205 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4207 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4208 soft-fp/t-softfp to tmake_file.
4210 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4211 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4212 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4213 IA64_BUILTIN_INFQ]: New.
4214 (ia64_init_builtins): Initialize __builtin_infq,
4215 __builtin_fabsq and __builtin_copysignq if not HPUX.
4216 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4217 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4219 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4221 (__fixtfti): Likewise.
4222 (__fixunstfti): Likewise.
4223 (__floattitf): Likewise.
4225 * config/ia64/libgcc-glibc.ver: New.
4226 * config/ia64/t-fprules-softfp: Likewise.
4227 * config/ia64/sfp-machine.h: Likewise.
4229 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4230 (LIBGCC2_TF_CEXT): Likewise.
4231 (TF_SIZE): Likewise.
4232 (TARGET_INIT_LIBFUNCS): Likewise.
4234 * config/ia64/t-glibc (SHLINB_MAPFILES):
4235 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4237 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4239 * config/i386/i386.c (construct_container): Rewrite processing
4240 BLKmode with X86_64_SSE_CLASS.
4242 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4245 * config/i386/i386.md: Replace simplify_replace_rtx with
4246 replace_rtx in the new peephole2.
4248 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4250 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4251 loop unrolling do not happen at -O2.
4253 2009-02-12 Michael Matz <matz@suse.de>
4255 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4257 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4259 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4262 2009-02-12 Ben Elliston <bje@au.ibm.com>
4264 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4265 patterns when updating the back chain. Missed in the 2009-02-10
4268 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4270 * doc/extend.texi (Decimal Floating Types): Update identifier of
4271 draft TR and list of missing support.
4273 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4276 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4277 bit to variable length decl's flags, add it also to its
4278 pointer replacement variable.
4280 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4281 Jakub Jelinek <jakub@redhat.com>
4284 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4285 (memory_blockage): New expander.
4286 (*memory_blockage): New insn pattern.
4287 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4288 instead of general blockage at the end of function prologue when
4289 frame pointer is used to access red zone area. Do not emit blockage
4290 when profiling, it is emitted in generic code.
4291 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4292 function epilogue when frame pointer is used to access red zone area.
4294 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4297 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4298 by arithmetic with memory operands.
4299 * config/i386/predicates.md (commutative_operator): New.
4301 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4303 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4306 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4308 * alias.h (record_alias_subset): Declare.
4309 * alias.c (record_alias_subset): Make global.
4311 2009-02-10 Nick Clifton <nickc@redhat.com>
4313 * tree-parloops.c: Change license to GPLv3.
4314 * ipa-struct-reorg.c: Change license to GPLv3.
4315 * ipa-struct-reorg.h: Change license to GPLv3.
4317 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4320 * c-decl.c (start_struct): Return NULL on error.
4322 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4325 * cfgloopmanip.c (remove_path): Call remove_bbs after
4326 cancel_loop_tree, not before it.
4329 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4330 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4331 VAR_DECLs were seen.
4332 * tree-ssa-live.c (remove_unused_locals): Recompute
4333 cfun->has_local_explicit_reg_vars.
4334 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4335 copies or clearings if cfun->has_local_explicit_reg_vars.
4337 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4340 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4341 of function prologue when frame pointer is used to access
4344 2009-02-10 Richard Guenther <rguenther@suse.de>
4347 * gimplify.c (gimple_regimplify_operands): Always look if
4348 we need to create a temporary.
4350 2009-02-10 Richard Guenther <rguenther@suse.de>
4352 PR tree-optimization/39132
4353 * tree-loop-distribution.c (todo): New global var.
4354 (generate_memset_zero): Trigger TODO_rebuild_alias.
4355 (tree_loop_distribution): Return todo.
4357 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4360 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4361 (x86_64_reg_class_name): Removed.
4362 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4363 first one isn't X86_64_SSE_CLASS or any other ones aren't
4364 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4365 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4366 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4367 and 3 X86_64_SSEUP_CLASS.
4368 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4369 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4371 2009-02-10 Ben Elliston <bje@au.ibm.com>
4373 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4374 form instruction to update the stack back chain word, even if the
4375 user has disabled the generation of update instructions.
4376 (movdi_<mode>_update_stack): New.
4377 (movsi_update_stack): Likewise.
4378 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4379 always use an update form instruction to update the stack back
4382 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4385 * graphite.c (if_region_set_false_region): After moving a region in
4386 the false branch of a condition, remove the empty dummy basic block.
4387 (gloog): Remove wrong fix for PR38953.
4389 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4391 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4392 generation due to implicit sign extension.
4394 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4397 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4398 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4400 2009-02-09 Richard Guenther <rguenther@suse.de>
4403 * convert.c (convert_to_real): Disable (float)fn((double)x)
4404 to fnf(x) conversion if errno differences may occur and
4405 -fmath-errno is set.
4407 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4409 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4410 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4411 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4413 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4416 * c-common.c (handle_alias_attribute): Disallow attribute for
4417 anything not a FUNCTION_DECL or VAR_DECL.
4419 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4422 * real.c (do_compare): Special-case compare of zero against
4423 decimal float value.
4425 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4428 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4429 as indicating flexible array members unless the field itself is
4430 being declarared as the incomplete array.
4432 2009-02-06 Jan Hubicka <jh@suse.cz>
4434 PR tree-optimization/38844
4435 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4438 2009-02-06 Richard Guenther <rguenther@suse.de>
4441 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4442 fork because we may expand it as __gcov_fork.
4444 2009-02-06 Nick Clifton <nickc@redhat.com>
4446 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4448 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4450 PR tree-optimization/35659
4451 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4452 vn_phi_eq): Shortcut if hashcode does not match.
4453 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4455 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4456 and avoid iterative_hash_expr.
4457 (FOR_EACH_VALUE_ID_IN_SET): New.
4458 (value_id_compare): Remove.
4459 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4460 sort expressions by value id.
4462 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4465 * config/sh/predicates.md (general_movsrc_operand): Don't check
4466 the subreg of system registers here.
4468 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4471 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4474 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4476 PR rtl-optimization/39110
4477 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4478 addresses, not aligned ones.
4480 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4481 Richard Guenther <rguenther@suse.de>
4483 PR tree-optimization/39100
4484 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4485 comment says and add edges.
4487 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4490 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4491 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4493 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4495 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4496 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4497 register_bb_in_sese, new_sese, free_sese): Moved.
4498 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4499 outermost_loop_in_scop, build_scop_iteration_domain,
4500 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4501 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4502 Use loop_in_sese_p instead of loop_in_scop_p.
4503 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4504 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4505 (scopdet_basic_block_info): Fix bug in scop detection.
4506 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4507 eq_loop_to_cloog_loop): Remove.
4508 (nb_loops_around_loop_in_scop, nb_loop
4509 ref_nb_loops): Moved here...
4510 * graphite.h (ref_nb_loops): ... from here.
4511 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4512 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4513 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4514 * testsuite/gcc.dg/graphite/scop-19.c: New
4516 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4517 Hans-Peter Nilsson <hp@axis.com>
4519 PR rtl-optimization/37889
4520 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4521 Move offset handling from PLUS to before the switch. Use new
4522 arguments when considering SYMBOL_REFs too.
4523 (rtx_addr_can_trap_p): Pass dummy offset and size.
4524 (enum may_trap_p_flags): Remove.
4525 (may_trap_p_1): Pass size from MEM_SIZE.
4527 PR rtl-optimization/38921
4528 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4529 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4530 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4531 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4533 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4535 AVX Programming Reference (January, 2009)
4536 * config/i386/sse.md (*vpclmulqdq): New.
4538 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4540 PR tree-optimization/38977
4541 PR gcov-profile/38292
4542 * calls.c (special_function_p): Disregard __builtin_ prefix.
4544 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4546 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4547 non-indexable addresses even before reload.
4549 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4552 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4553 as having variable size. Do not give an error for unnamed
4554 parameters with [*] declarators. Give a warning for type names
4555 with [*] declarators and mark them as variable size.
4556 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4557 for sizeof applied to [*] type names.
4559 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4562 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4564 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4566 * gcc.c (process_command): Update copyright notice dates.
4567 * gcov.c (print_version): Likewise.
4568 * gcov-dump.c (print_version): Likewise.
4569 * mips-tfile.c (main): Likewise.
4570 * mips-tdump.c (main): Likewise.
4572 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4575 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4576 for composite type involving a zero-length array type.
4578 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4581 * function.c (match_asm_constraints_1): Skip over
4582 initial optional % in the constraint.
4585 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4586 supported, don't accept FIXED_CSTs.
4587 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4588 and _Sat is used without _Fract/_Accum. Set specs->type to
4589 integer_type_node for cts_fract/cts_accum if fixed point is not
4592 2009-02-02 Catherine Moore <clm@codesourcery.com>
4594 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4596 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4598 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4599 (ABI_HAS_64BIT_SYMBOLS): Use it.
4600 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4602 2009-02-02 Paul Brook <paul@codesourcery.com>
4604 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4606 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4609 * recog.h (asm_operand_ok): Add constraints argument.
4610 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4611 recurse on matching constraint.
4612 (check_asm_operands): Pass constraints as 3rd argument to
4613 asm_operand_ok. Don't look up matching constraint here.
4614 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4617 2009-02-02 Ben Elliston <bje@au.ibm.com>
4619 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4620 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4622 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4624 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4625 information. Remove some obsolete information. Reorganize.
4627 * config/pa/fptr.c: Revert license to GPL 2.
4628 * config/pa/milli64.S: Likewise.
4630 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4633 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4634 LIBRARY name in, instead of hard-coding it.
4635 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4636 extra target make frag to tmake_files according to EH model.
4637 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4638 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4639 frags that define makefile variable EH_MODEL appropriately.
4640 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4641 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4642 to "-sjlj" according to type of EH configured.
4643 (LIBGCC_SONAME): Concatenate it to shared library base name.
4644 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4645 to "_sjlj" according to type of EH configured.
4646 (LIBGCC_SONAME): Concatenate it to shared library base name.
4647 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4648 (SHLIB_LINK): Add missing semicolon to if-else construct.
4649 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4650 string value of "pe_dll" command-line option.
4651 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4652 (SHLIB_SONAME): Use it when overriding t-cygming default.
4653 (SHLIB_IMPLIB): Override t-cygming default.
4654 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4655 string value of "pe_dll" command-line option.
4657 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4660 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4661 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4663 2009-01-31 Richard Guenther <rguenther@suse.de>
4665 PR tree-optimization/38937
4666 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4667 computing the transitive closure.
4669 2009-01-30 Richard Guenther <rguenther@suse.de>
4671 PR tree-optimization/39041
4672 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4673 Propagate variable indices only if the types match for this stmt.
4675 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4678 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4679 inline but never defined.
4681 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4683 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4684 (*insv_h_di_reg_extimm): New insn.
4685 (*insv_l<mode>_reg_extimm): New insn.
4687 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4689 * config/picochip/picochip.c (flag_conserve_stack): set
4690 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4691 fconserve-stack. Reduce call-overhead used by inliner.
4693 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4696 * common.opt (flag_conserve_stack): Initialised to zero.
4698 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4701 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4702 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4705 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4707 * ira-color.c (allocno_reload_assign): Update comments.
4708 * regmove.c (regmove_optimize): Likewise.
4712 2009-01-29 Robert Millan <rmh@aybabtu.com>
4714 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4715 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4716 `MD_UNWIND_SUPPORT'.
4717 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4719 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4721 PR tree-optimization/39007
4722 * tree-loop-distribution.c (generate_builtin): Use
4723 recompute_dominator to compute the immediate dominator of the
4724 basic block just after the loop.
4726 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4728 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4729 (ASM_OUTPUT_DWARF_PCREL): Define.
4731 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4733 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4734 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4735 global. Modify entries about regmove and IRA.
4737 * ra-conflict.c: Remove the file.
4739 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4741 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4742 (pass_regclass_init): Rename to pass_reginfo_init.
4744 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4746 * toplev.h (flag_ira): Remove.
4748 * caller-save.c (setup_save_areas): Remove flag_ira.
4750 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4752 * global.c: Remove the file.
4754 * opts.c (decode_options): Remove flag_ira.
4756 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4758 * regmove.c: Modify file description.
4759 (find_use_as_address, try_auto_increment): Define them only if
4760 AUTO_INC_DEC is defined.
4761 (replacement_quality, replace_in_call_usage, fixup_match_1,
4762 stable_and_no_regs_but_for_p): Remove.
4763 (reg_set_in_bb): Make it static.
4764 (regmove_optimize): Remove flag_ira and code which worked for
4767 * local-alloc.c: Remove the file.
4769 * common.opt (fira): Remove.
4771 * ira.c: Include except.h.
4772 (eliminable_regset): Move from global.c.
4773 (mark_elimination): Ditto. Remove flag_ira.
4774 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4775 equiv_mem_modified, validate_equiv_mem_from_store,
4776 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4777 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4778 no_equiv, recorded_label_ref): Move from local-alloc.c.
4779 (update_equiv_regs): Ditto. Make it static.
4780 (print_insn_chain, print_insn_chains): Move it from global.c.
4781 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4782 (build_insn_chain): Ditto. Make it static.
4783 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4784 Rename to init_live_subregs.
4785 (gate_ira): Remove flag_ira.
4787 * regclass.c: Rename reginfo.c. Change file description.
4788 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4789 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4790 (init_reg_sets_1): Remove code for evaluation of
4791 reg_class_superclasses and losing_caller_save_reg_set.
4792 (init_regs): Remove init_reg_autoinc.
4793 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4794 ok_for_base_p_nonstrict): Remove.
4795 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4796 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4797 corresponding entries.
4798 (dump_regclass, record_operand_costs, scan_one_insn,
4799 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4800 record_address_regs, auto_inc_dec_reg_p): Remove.
4801 (gt-regclass.h): Rename to gt-reginfo.h.
4803 * rtl.h (dump_global_regs, retry_global_alloc,
4804 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4806 * Makefile.in (RA_H): Remove.
4807 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4808 Rename regclass.o to reginfo.o.
4809 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4811 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4812 (GTFILES): Rename regclass.c to reginfo.c.
4814 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4815 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4817 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4818 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4820 (finish_spills): Ditto. Remove code for !flag_ira.
4822 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4825 * doc/invoke.texi (rtl debug options): Complete rewrite.
4826 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4828 * mode-switching.c (pass_mode_switching): Rename pass from
4829 "mode-sw" to "mode_sw".
4830 * except.c (pass_convert_to_eh_ranges): Rename pass from
4831 "eh-ranges" to "eh_ranges".
4832 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4836 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4837 Alexander Monakov <amonakov@ispras.ru>
4840 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4842 (move_exprs_to_boundary): Change return type and pass through
4843 should_move from move_op. Relax assert. Update usage ...
4844 (schedule_expr_on_boundary): ... here. Use should_move instead of
4846 (move_op_orig_expr_found): Indicate that insn was disconnected from
4848 (code_motion_process_successors): Do not call after_merge_succs
4849 callback if original expression was not found when traversing any of
4851 (code_motion_path_driver): Change return type. Update prototype.
4852 (move_op): Update comment. Add a new parameter (should_move). Update
4853 prototype. Set *should_move based on indication provided by
4854 move_op_orig_expr_found.
4856 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4858 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4859 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4860 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4861 * config/rs6000/rs6000.c (rs6000_override_options): Default
4862 avoid-indexed-addresses on for Power6, off for everything else.
4863 (avoiding_indexed_address_p): New function.
4864 (rs6000_legitimize_address): Use it.
4865 (rs6000_legitimate_address): Likewise.
4866 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4868 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4870 PR tree-optimization/38997
4871 * tree-loop-distribution.c (generate_memset_zero): Use
4872 POINTER_PLUS_EXPR for a pointer addition.
4874 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4876 * config/s390/s390.md (bswap<mode>2): New pattern added.
4878 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4880 * config/s390/s390.md (*tls_load_31): Added type attribute.
4882 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4884 * config/s390/s390.md: Fix a few comments.
4886 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4888 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4889 (*tm<mode>_full): Fixed z10prop attribute.
4890 (*tst<mode>_extimm): Fixed z10prop attribute.
4891 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4892 (*tstqiCCT_cconly): Fixed z10prop attribute.
4893 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4894 (*movsi_larl): Fixed z10prop attribute.
4895 (*movsi_zarch): Fixed z10prop attribute.
4896 (*movsi_eas): Fixed z10prop attribute.
4897 (*movhi): Fixed z10prop attribute.
4898 (*movqi): Fixed z10prop attribute.
4899 (*movstrictqi): Fixed z10prop attribute.
4900 (*mov<mode>): Fixed z10prop attribute.
4901 (*movcc): Fixed z10prop attribute.
4902 (*sethighpartdi_64): Fixed z10prop attribute.
4903 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4904 (*negdi2_sign_cc): Fixed z10prop attribute.
4905 (*negdi2_sign): Fixed z10prop attribute.
4906 (*absdi2_sign_cc): Fixed z10prop attribute.
4907 (*absdi2_sign): Fixed z10prop attribute.
4908 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4909 (*negabsdi2_sign): Fixed z10prop attribute.
4910 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4911 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4912 (doloop_si64): Fixed z10prop attribute.
4913 (doloop_si31): Fixed z10prop attribute.
4914 (doloop_long): Fixed z10prop attribute.
4915 (indirect_jump): Fixed z10prop attribute.
4916 (nop): Fixed z10prop attribute.
4917 (main_base_64): Fixed z10prop attribute.
4918 (reload_base_64): Fixed z10prop attribute.
4920 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4922 PR rtl-optimization/38740
4923 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4925 * config/mips/mips.c (mips_reorg): Likewise.
4927 2009-01-28 Richard Guenther <rguenther@suse.de>
4929 PR tree-optimization/38926
4930 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4931 with the correct value id to a value.
4932 (do_regular_insertion): Use the value number of edoubleprime
4933 for the value number of the expr.
4936 2008-08-21 Richard Guenther <rguenther@suse.de>
4938 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4939 a PHI ask VN if it is already available.
4940 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4941 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4943 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4946 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4947 set to varying whenever max has TREE_OVERFLOW set, similarly
4948 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4950 2009-01-28 Richard Guenther <rguenther@suse.de>
4953 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4954 uninitialized aggregate uses in call arguments.
4956 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4958 PR tree-optimization/38984
4959 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4960 the nothing_id variable if -fno-delete-null-pointer-checks.
4962 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4965 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4966 (set_got_offset_rex64): Ditto.
4968 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4971 * doc/extend.texi: Improve local variable with asm reg.
4973 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4975 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4976 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4977 was not supplied then set warn_packed_bitfield_compat to the
4979 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4982 2009-01-27 Richard Guenther <rguenther@suse.de>
4984 PR tree-optimization/38503
4985 * cfgexpand.c (expand_gimple_basic_block): Ignore
4986 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4987 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4988 variables that cannot have TBAA applied.
4989 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4992 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4995 * calls.c (initialize_argument_information): Do not wrap complex
4996 arguments in SAVE_EXPR.
4998 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5000 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5001 (INSTALL_LIBGCC): Revert typo commit.
5003 2009-01-26 Richard Guenther <rguenther@suse.de>
5005 PR tree-optimization/38745
5006 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5007 from special handling.
5009 2009-01-26 Richard Guenther <rguenther@suse.de>
5011 PR tree-optimization/38745
5012 * tree-ssa.c (execute_update_addresses_taken): Do not include
5013 variables that cannot possibly be a register in not_reg_needs.
5014 Do not clear TREE_ADDRESSABLE on vars that may not become
5016 * tree-ssa.c (update_alias_info_1): Include those in the set
5017 of addressable vars.
5019 2009-01-26 Richard Guenther <rguenther@suse.de>
5022 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5023 * tree-ssa-dse.c: Include langhooks.h
5024 (execute_simple_dse): Remove stores with zero size.
5026 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5029 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5032 2009-01-24 Julian Brown <julian@codesourcery.com>
5034 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5035 config/arm/linux-atomic.c.
5036 * config/arm/linux-atomic.c: New.
5038 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5040 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5041 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5042 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5044 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5047 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5050 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5052 PR tree-optimization/38953
5053 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5054 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5055 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5056 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5059 2009-01-24 Paul Brook <paul@codesourcery.com>
5061 * config/arm/neon.md (neon_type): Move to arm.md.
5062 (neon_mov<VSTRUCT>): Add neon_type attribute.
5063 * config/arm/arm.md (neon_type): Move to here.
5064 (conds): Add "unconditioal" and use as default for NEON insns.
5066 2009-01-24 Ben Elliston <bje@au.ibm.com>
5068 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5069 void *' warning from -Wc++-compat.
5070 * Makefile.in (dominance.o-warn): Remove.
5072 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5074 PR tree-optimization/38932
5075 * fold-const.c (fold_unary_ignore_overflow): New.
5076 * tree.h (fold_unary_ignore_overflow): Declare.
5077 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5078 * tree-ssa-sccvn.c (visit_reference_op_load,
5079 simplify_unary_expression): Likewise.
5081 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5083 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5084 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5085 regardless of their type.
5086 * c-common.c (handle_packed_attribute): Don't ignore packed on
5088 * c.opt (Wpacked-bitfield-compat): New warning option.
5089 * stor-layout.c (place_field): Warn if offset of a field changed.
5090 * doc/extend.texi (packed): Mention the ABI change.
5091 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5092 (Warning Options): Add it to the list.
5094 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5096 * c-opts.c (c_common_post_options): Fix a typo in comments.
5098 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5101 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5102 variables to static.
5103 * doc/invoke.texi (-fmerge-all-constants): Update description.
5105 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5108 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5109 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5111 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5113 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5115 (LOCAL_ALIGNMENT): Similarly.
5117 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5118 Joseph Myers <joseph@codesourcery.com>
5120 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5121 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5122 * config/arm/arm-tune.md: Regenerate.
5123 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5126 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5128 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5129 version number to five.
5131 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5134 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5135 * c-common.c (set_underlying_type): Likewise.
5136 (is_typedef_decl ): Likewise
5138 (set_underlying_type): Likewise.
5139 (is_typedef_type): Likewise.
5141 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5144 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5147 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5150 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5151 (LIBGCC_SPEC): Don't define.
5152 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5154 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5156 PR rtl-optimization/38879
5157 * alias.c (base_alias_check): Unaligned access via AND address can
5158 alias all surrounding object types except those with sizes equal
5159 or wider than the size of unaligned access.
5161 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5164 * c-decl.c (clone_underlying_type): Move this ...
5165 * c-common.c (set_underlying_type): ... here.
5166 Also, make sure the function properly sets TYPE_STUB_DECL() on
5167 the newly created typedef variant type.
5168 (is_typedef_decl ): New entry point.
5169 * tree.h: Added a new member member_types_needing_access_check to
5170 struct tree_decl_non_common.
5171 (set_underlying_type): New entry point.
5172 (is_typedef_type): Likewise.
5174 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5176 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5177 Check whether two instructions have memory references that
5178 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5179 are helper functions for traversing.
5180 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5181 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5182 not to draw dependency edge for instructions with non-conflicting
5185 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5188 * longlong.h: Update copyright years. Use soft-fp license notice.
5189 Sync __clz_tab declaration with glibc.
5191 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5194 * doc/extend.texi (syscall_linkage): New.
5195 (version_id): Modify.
5197 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5198 Richard Guenther <rguenther@suse.de>
5200 PR tree-optimization/38747
5201 PR tree-optimization/38748
5202 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5203 conversion if the base address is an indirect reference and the
5204 aliasing sets could cause issues.
5206 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5208 * common.opt (fgraphite, fgraphite-identity): Add comment for
5209 explaining why these options are not documented.
5211 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5213 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5214 gimple_call_lhs is NULL.
5216 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5219 * emit-rtl.c (adjust_address_1): Make sure memref is never
5222 2009-01-20 Ben Elliston <bje@au.ibm.com>
5224 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5225 const qualifier from arg parameter. Remove unnecessary cast to char *.
5226 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5227 const qualifier from arg 2.
5229 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5231 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5233 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5236 * rtl.h (reinit_regs): New prototype.
5237 * regclass.c: Include ira.h.
5239 * Makefile.in (regclass.o): Add ira.h.
5240 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5242 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5245 * c-common.c (handle_aligned_attribute): Use
5246 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5247 default alignment value.
5249 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5251 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5252 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5254 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5255 __BIGGEST_ALIGNMENT__.
5257 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5259 2009-01-18 Richard Guenther <rguenther@suse.de>
5261 PR tree-optimization/38819
5262 * tree-flow.h (operation_could_trap_helper_p): Declare.
5263 * tree-eh.c (operation_could_trap_helper_p): Export.
5264 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5265 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5266 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5267 are about to insert a possibly trapping instruction and fail
5270 2009-01-18 Andreas Schwab <schwab@suse.de>
5272 * doc/install.texi (Configuration): Remove obsolete paragraph
5273 about use of --with-gnu-ld with --with-gnu-as.
5275 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5277 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5278 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5279 Follow spelling conventions.
5281 2009-01-18 Ben Elliston <bje@au.ibm.com>
5283 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5284 C++ warning about implicit conversion from void * to struct
5286 (bitmap_obstack_free): Likewise for bitmap_element *.
5287 * Makefile.in (bitmap.o-warn): Remove.
5289 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5291 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5293 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5294 Tobias Grosser <tobi.grosser@amd.com>
5296 * graphite.c (graphite_trans_scop_block): Do not block single
5299 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5301 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5302 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5303 test with assertion.
5305 2009-01-16 Richard Guenther <rguenther@suse.de>
5307 PR tree-optimization/38835
5309 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5310 and INT + PTR -> (INT)(PTR p+ INT) folding.
5311 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5313 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5316 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5317 the subreg from a lowpart subreg if it is also casting the value.
5319 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5320 Tobias Grosser <tobi.grosser@amd.com>
5322 * graphite.c (compare_prefix_loops): New.
5323 (build_scop_canonical_schedules): Rewritten.
5324 (graphite_transform_loops): Move build_scop_canonical_schedules
5325 after build_scop_iteration_domain.
5327 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5328 Tobias Grosser <tobi.grosser@amd.com>
5330 * graphite.c (add_conditions_to_domain): Add the loops to
5331 the dimension of the iteration domain. Do copy the domain
5332 only when it exists.
5333 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5334 (add_conditions_to_constraints): New.
5335 (can_generate_code_stmt, can_generate_code): Removed.
5336 (gloog): Do not call can_generate_code.
5337 (graphite_transform_loops): Call add_conditions_to_constraints
5338 after building the iteration domain.
5340 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5342 PR tree-optimization/38789
5343 * tree-ssa-threadedge.c
5344 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5345 __builtin_constant_p.
5347 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5349 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5350 examined before deleting them.
5352 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5354 * function.c (aggregate_value_p): Correctly extract the function
5355 type from CALL_EXPR_FN lookup.
5357 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5359 * config/picochip/picochip.c (picochip_override_options): Revert
5360 CFI asm flag disable commited previously.
5362 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5363 Tobias Grosser <tobi.grosser@amd.com>
5364 Jan Sjodin <jan.sjodin@amd.com>
5366 * graphite.c (scan_tree_for_params): On substractions negate
5367 all the coefficients of the term.
5368 (clast_to_gcc_expression_red): New. Handle reduction expressions
5369 of more than two operands.
5370 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5371 (get_vdef_before_scop): Handle also the case of default definitions.
5373 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5375 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5376 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5377 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5379 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5380 Joey Ye <joey.ye@intel.com>
5383 * cfgexpand.c (expand_stack_alignment): Don't update stack
5384 boundary nor check incoming stack boundary here.
5385 (gimple_expand_cfg): Update stack boundary and check incoming
5386 stack boundary here.
5388 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5390 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5392 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5394 PR rtl-optimization/38245
5395 * calls.c (expand_call): Add stack arguments to
5396 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5397 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5398 in regs and partially in memory or BLKmode arguments.
5399 (emit_library_call_value_1): Add stack arguments to
5400 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5401 ACCUMULATE_OUTGOING_ARGS).
5402 * dce.c: Include tm_p.h.
5403 (find_call_stack_args): New function.
5404 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5406 (mark_insn): Call find_call_stack_args for CALL_Ps.
5407 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5408 forwards. Allocate and free arg_stores bitmap if needed, pass it
5409 down to deletable_insn_p, don't mark stores set in arg_stores
5410 bitmap, clear the bitmap at the beginning of each bb.
5411 * Makefile.in (dce.o): Depend on $(TM_P_H).
5413 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5416 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5417 to make sure the insn is a conditional test (bug 22599). Reformat a
5420 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5423 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5424 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5425 (gloog): Do not call cleanup_tree_cfg.
5426 (graphite_transform_loops): Call cleanup_tree_cfg after all
5427 scops have been code generated.
5429 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5430 * doc/gty.texi (Invoking the garbage collector): Added new node
5431 and section documenting ggc_collect.
5433 2009-01-14 Richard Guenther <rguenther@suse.de>
5435 PR tree-optimization/38826
5437 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5438 initialization notes only if we actually emitted a warning.
5439 (intra_create_variable_infos): Add constraints for a result decl
5440 that is passed by hidden reference.
5441 (build_pred_graph): Mark all related variables non-direct on
5444 2009-01-14 Nick Clifton <nickc@redhat.com>
5446 * ira-conflicts.c: Include addresses.h for the definition of
5448 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5449 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5451 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5454 * Makefile.in (ira-lives.o): Add except.h.
5456 * ira-lives.c: Include except.h.
5457 (process_bb_node_lives): Process can_throw_internal.
5459 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5461 PR rtl-optimization/38774
5462 * combine.c (simplify_set): When undoing cc_use change, don't do
5463 PUT_CODE on the newly created comparison, but instead put back the
5466 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5468 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5469 values. Remove duplicate arm8 entry.
5471 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5473 PR tree-optimization/38786
5474 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5475 the SSA_NAME case of expand_scalar_variables_expr.
5476 Set the type of an expression to the type of its assign statement.
5477 (expand_scalar_variables_expr): Also gather the scalar computation
5478 used to index the memory access. Do not pass loop_p.
5479 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5480 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5481 the gimple_stmt_iterator where it inserts new code.
5483 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5484 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5486 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5488 * graphite.h (debug_value): Removed.
5489 * graphite.c (debug_value): Removed.
5491 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5493 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5494 ldrd/strd with two 32-bit instructions.
5496 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5498 * config/arm/arm.c (struct processors): Pass for speed down into
5499 cost helper functions.
5500 (const_ok_for_op): Handle COMPARE and inequality nodes.
5501 (arm_rtx_costs_1): Rewrite.
5502 (arm_size_rtx_costs): Update prototype.
5503 (arm_rtx_costs): Pass speed down to helper functions.
5504 (arm_slowmul_rtx_costs): Rework cost calculations.
5505 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5506 (arm_9e_rtx_costs): Likewise.
5508 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5510 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5511 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5512 (alpha_legitimize_address): Do not split local symbols wider than
5513 UNITS_PER_WORD into HIGH/LO_SUM parts.
5515 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5518 * gcc.c (process_command): Replace call to execvp with calls
5519 to pex_one and exit.
5521 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5524 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5525 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5526 variant for devices with 3-byte PC.
5527 (__tablejump_elpm__): New.
5529 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5532 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5533 offsetof member-designator, handle it as `[0].'.
5535 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5537 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5538 function when not using named sections on targets with named sections
5539 if branch distance is less than 262132.
5541 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5543 * combine.c (combine_instructions): Recompute
5544 optimize_this_for_speed_p for each BB in the main combine loop.
5546 2009-01-12 Tomas Bily <tbily@suse.cz>
5549 * tree-loop-distribution.c (prop_phis): New function.
5550 (generate_builtin): Call prop_phis.
5551 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5553 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5555 PR tree-optimization/38807
5556 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5557 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5559 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5561 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5562 subreg of op0 to the original op0.
5564 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5566 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5568 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5571 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5572 starting with digits.
5574 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5577 * config/arm/arm.c (arm_is_long_call_p): Don't call
5578 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5580 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5582 * regrename.c (regrename_optimize): Fix dumping.
5583 (find_oldest_value_reg): Preserve REG_POINTER.
5584 (copy_hardreg_forward_1): Likewise.
5586 2009-01-09 Diego Novillo <dnovillo@google.com>
5588 * gimple.h (struct gimple_statement_base) <uid>: Document
5589 the restrictions on its use.
5591 (gimple_set_uid): Tidy.
5593 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5595 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5596 zero guard even if align_bytes != 0 and count is smaller than
5599 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5601 PR rtl-optimization/38495
5602 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5603 (add_range_and_copies_from_move_list): Print all added ranges.
5604 Add ranges to memory optimized destination.
5606 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5610 * config/i386/i386.c (override_options): Reject
5611 -mstringop-strategy=rep_8byte with -m32.
5612 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5613 to 1. Do count comparison against epilogue_size_needed at compile
5614 time even when count_exp was constant forced into register. For
5615 size_needed don't jump to epilogue, instead just avoid aligning
5616 and invoke the body algorithm. If need_zero_guard, add zero guard
5617 even if count is non-zero, but smaller than size_needed + number of
5618 bytes that could be stored for alignment.
5619 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5620 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5621 but smaller than size_needed + number of bytes that could be stored
5622 for alignment. Compare size_needed with epilogue_size_needed instead
5623 of desired_align - align, don't adjust size_needed, pass
5624 epilogue_size_needed to the epilogue expanders.
5627 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5629 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5631 * pa.c (last_address): Change to unsigned.
5632 (update_total_code_bytes): Change argument to unsigned. Don't
5633 check if insn addresses are set.
5634 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5635 addresses are not set.
5636 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5638 2009-01-09 Nick Clifton <nickc@redhat.com>
5640 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5641 DECL_DECLARED_INLINE_P.
5643 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5646 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5647 GET_MODE (op0) in operand_subword_force calls.
5650 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5651 fold_convert arg0 operands to TREE_TYPE (op0) first.
5653 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5655 * params.def (ira-max-conflict-table-size): Decrease default value
5658 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5660 PR tree-optimization/37031
5661 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5663 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5664 allocate it using gc instead of heap, use VEC_quick_push instead of
5666 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5667 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5668 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5669 allocated vector from heap allocated.
5670 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5671 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5672 vector only after perfect_loop_nest_depth call.
5674 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5675 Jan Sjodin <jan.sjodin@amd.com>
5677 PR tree-optimization/38559
5678 * graphite.c (debug_value, copy_constraint,
5679 swap_constraint_variables, scale_constraint_variable, ): New.
5680 (get_lower_bound, get_upper_bound): Removed.
5681 (graphite_trans_bb_strip_mine): Clean up this code that works
5682 only for constant number of iterations. Fully copy upper and
5683 lower bound constraints, not only the constant part of them.
5684 * graphite.h (debug_value): Declared.
5686 2009-01-08 Ira Rosen <irar@il.ibm.com>
5688 PR tree-optimization/37194
5689 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5690 Don't add the cost of cost model guard in prologue to scalar
5691 outside cost in case of known number of iterations.
5693 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5694 Alan Modra <amodra@bigpond.net.au>
5696 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5697 non-word-aligned REG+CONST addressing.
5699 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5702 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5703 free_after_compilation when outputting a thunk.
5704 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5705 Do not call free_after_compilation here.
5707 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5709 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5710 (ix86_valid_target_attribute_inner_p): Ditto.
5712 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5714 PR tree-optimization/38492
5715 PR tree-optimization/38498
5716 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5717 * tree-chrec.h (scev_is_linear_expression): Declared.
5718 * graphite.c (graphite_cannot_represent_loop_niter): New.
5719 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5720 (graphite_loop_normal_form): Use gcc_assert.
5721 (scan_tree_for_params): Use CASE_CONVERT.
5722 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5723 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5724 Use gcc_assert. Discard scops that contain unhandled cases.
5725 (build_scop_conditions): Return a boolean status for unhandled cases.
5726 (strip_mine_profitable_p): Print the loop number, not its depth.
5727 (is_interchange_valid): Pass the depth of the loop nest, don't
5728 recompute it wrongly.
5729 (graphite_trans_bb_block): Same.
5730 (graphite_trans_bb_block): Print tentative of loop blocking.
5731 (graphite_trans_scop_block): Do not print that the loop has been
5733 (graphite_transform_loops): Do not handle scops that contain condition
5736 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5738 AVX Programming Reference (December, 2008)
5739 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5740 (_mm256_stream_pd): Likewise.
5741 (_mm256_stream_ps): Likewise.
5743 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5744 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5745 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5746 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5747 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5748 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5749 (ix86_expand_special_args_builtin): Likewise.
5751 * config/i386/sse.md (AVXMODEDI): New.
5752 (avx_movnt<mode>): Likewise.
5753 (avx_movnt<mode>): Likewise.
5754 (<sse>_movnt<mode>): Remove AVX support.
5755 (sse2_movntv2di): Likewise.
5757 2009-01-07 Richard Guenther <rguenther@suse.de>
5760 * fold-const.c (extract_muldiv): Remove obsolete comment.
5761 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5762 to PLUS_EXPR canonicalization for the canonicalization.
5764 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5766 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5767 hosted cross-compilers generating less efficient code.
5769 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5771 * function.h (rtl_data): Add a dbr_scheduled_p field.
5772 * reorg.c (dbr_schedule): Set it.
5773 (gate_handle_delay_slots): Check it.
5774 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5775 (mips_reorg): Check flag_delayed_branch instead of
5776 mips_base_delayed_branch.
5777 (mips_override_options): Don't set mips_base_delayed_branch
5778 or flag_delayed_branch.
5780 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5782 PR rtl-optimization/38426.
5783 * ira.c (ira): Set current_function_is_leaf earlier.
5785 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5787 PR rtl-optimization/38722
5788 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5789 too early, only set a flag and modify after last possible
5792 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5795 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5796 * real.c (decimal_single_format): Correct values of emin and emax.
5797 (decimal_double_format): Ditto.
5798 (decimal_quad_format): Ditto.
5799 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5800 computation of DECnn_MIN and DECnn_MAX for corrected values of
5801 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5802 __DECnn_MIN__, and adjust its computation for the corrected value
5805 2009-01-06 Jan Hubicka <jh@suse.cz>
5808 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5810 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5812 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5813 Add Robert Clark to the list of testers.
5815 2009-01-06 Jan Hubicka <jh@suse.cz>
5816 Kai Tietz <kai.tietz@onevision.com>
5818 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5819 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5821 2009-01-06 Jan Hubicka <jh@suse.cz>
5822 Kai Tietz <kai.tietz@onevision.com>
5824 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5826 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5827 (ix86_nsaved_regs): Count only general purpose regs.
5828 (ix86_nsaved_sseregs): New.
5829 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5830 to 16 for w64; compute padding and size of sse reg save area.
5831 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5832 general purpose regs.
5833 (ix86_emit_save_sse_regs_using_mov): New.
5834 (ix86_expand_prologue): Save SSE regs if needed.
5835 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5836 (ix86_emit_restore_sse_regs_using_mov): New.
5837 (ix86_expand_epilogue): Save SSE regs if needed.
5839 2009-01-06 Jan Hubicka <jh@suse.cz>
5840 Kai Tietz <kai.tietz@onevision.com>
5842 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5843 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5844 functions when accumulate outgoing args is off.
5846 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5849 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5850 before using pseudos_have_intersected_live_ranges_p.
5852 * ira-int.h (ira_assert): Always define.
5854 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5856 AVX Programming Reference (December, 2008)
5857 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5858 (_mm256_permute2_pd): Likewise.
5859 (_mm_permute2_ps): Likewise.
5860 (_mm256_permute2_ps): Likewise.
5861 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5862 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5864 * config/i386/i386.c (ix86_builtins): Remove
5865 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5866 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5867 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5868 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5869 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5870 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5871 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5872 __builtin_ia32_vpermil2ps256.
5873 (ix86_init_mmx_sse_builtins): Updated.
5874 (ix86_expand_args_builtin): Likewise.
5876 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5878 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5879 long absolute calls when generating PA 2.0 code.
5881 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5883 PR rtl-optimization/38583
5884 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5886 * params.def (ira-max-conflict-table-size): New.
5888 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5890 * ira.h (ira_conflicts_p): New external definition.
5892 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5893 table. Report this. Return result of building.
5894 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5895 building conflict table.
5897 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5898 (ira_color): Use ira_conflicts_p.
5900 * global.c: Include ira.h.
5901 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5904 * Makefile.in (global.o): Add ira.h.
5906 * ira-build.c (mark_all_loops_for_removal,
5907 propagate_some_info_from_allocno): New.
5908 (remove_unnecessary_allocnos): Call
5909 propagate_some_info_from_allocno.
5910 (remove_low_level_allocnos): New.
5911 (remove_unnecessary_regions): Add parameter. Call
5912 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5913 parameter to remove_unnecessary_regions.
5914 (ira_build): Remove all regions but root if the conflict table was
5915 not built. Update conflict hard regs for allocnos crossing calls.
5917 * ira.c (ira_conflicts_p): New global.
5918 (ira): Define and use ira_conflicts_p.
5920 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5921 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5922 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5924 2009-01-06 Ben Elliston <bje@au.ibm.com>
5926 * gengtype-lex.l (YY_NO_INPUT): Define.
5928 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5931 * c-common.c (handle_vector_size_attribute): Also reject
5934 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5936 PR tree-optimization/38492
5937 * graphite.c (rename_map_elt, debug_rename_elt,
5938 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5939 rename_map_elt_info, eq_rename_map_elts,
5940 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5941 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5942 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5943 (sese_build_livein_liveouts): New.
5944 (new_sese, free_sese): New.
5945 (new_scop): Call new_sese.
5946 (free_scop): Call free_sese.
5947 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5948 (register_old_new_names): Renamed register_old_and_new_names.
5949 (register_scop_liveout_renames, add_loop_exit_phis,
5950 insert_loop_close_phis, struct igp,
5951 default_liveout_before_guard, add_guard_exit_phis,
5952 insert_guard_phis, copy_renames): New.
5953 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5954 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5955 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5956 (scop_adjust_phis_for_liveouts): New.
5957 (gloog): Call scop_adjust_phis_for_liveouts.
5959 * graphite.h (struct sese): Documented. Added fields liveout,
5961 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5962 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5963 (struct scop): Added field liveout_renames.
5964 (SCOP_LIVEOUT_RENAMES): New.
5966 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5968 PR tree-optimization/38510
5969 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5970 (translate_clast): Call recompute_all_dominators before
5972 (gloog): Call recompute_all_dominators before graphite_verify.
5974 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5975 Jan Sjodin <jan.sjodin@amd.com>
5977 PR tree-optimization/38500
5978 * graphite.c (create_sese_edges): Call fix_loop_structure after
5981 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5983 * config.gcc: Add m32r*-*-rtems*.
5984 * config/m32r/rtems.h: New file.
5986 2009-01-05 Ben Elliston <bje@au.ibm.com>
5988 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5989 (.po.pox): Likewise.
5990 (po/gcc.pot): Likewise.
5992 2009-01-04 David S. Miller <davem@davemloft.net>
5994 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5995 (STARTING_FRAME_OFFSET): Always set to zero.
5997 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5999 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6000 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6001 fixed-point types, and vectors of the same.
6003 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6005 * config/mips/sync.md (*mb_barrier): Rename to...
6006 (*memory_barrier): ...this.
6008 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6010 * doc/extend.texi (Function Attributes): Move @cindex after @item
6011 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6012 and put in alphabetical order. Fix 'target' name and put in order.
6013 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6016 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6018 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6019 (memory_barrier): Expand as unspec instead of unspec_volatile.
6020 Remove mem:BLK from insn operands. Use Pmode scratch register.
6021 (*memory_barrier): Define as unspec instead of unspec_volatile.
6022 Use (match_dup 0) as input operand.
6024 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6025 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6026 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6027 scratch register. Remove operand 1.
6028 (*stbar): Define as unspec instead of unspec_volatile.
6029 Use (match_dup 0) as input operand, remove (const_int 8).
6030 (*membar): Define as unspec instead of unspec_volatile.
6031 Use (match_dup 0) as input operand, remove input operand 2.
6033 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6034 (memory_barrier): Expand as unspec instead of unspec_volatile.
6035 Remove mem:BLK from insn operands. Use Pmode scratch register.
6036 (*memory_barrier): Define as unspec instead of unspec_volatile.
6037 Use (match_dup 0) as input operand.
6039 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6040 Remove mem:BLK from insn operands. Use Pmode scratch register.
6041 Set volatile flag on operand 0.
6042 (*memory_barrier): New insn pattern.
6044 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6046 (*memory_barrier): Use (match_dup 0) as input operand.
6048 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6049 Remove mem:BLK from insn operands. Use Pmode scratch register.
6050 Set volatile flag on operand 0.
6051 (*mb_internal): New insn pattern.
6053 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6055 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6058 * function.c (struct temp_slot): Move to the section of the file
6059 that deals with temp slots. Remove field 'address'.
6060 (temp_slot_address_table): New hash table of address -> temp slot.
6061 (struct temp_slot_address_entry): New struct, items for the table.
6062 (temp_slot_address_compute_hash, temp_slot_address_hash,
6063 temp_slot_address_eq, insert_temp_slot_address): Support functions
6065 (find_temp_slot_from_address): Rewrite to use the new hash table.
6066 (remove_unused_temp_slot_addresses): Remove addresses of temp
6067 slots that have been made available.
6068 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6069 worker function for remove_unused_temp_slot_addresses.
6070 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6071 Add the temp slot address to the address -> temp slot map.
6072 (update_temp_slot_address): Update via insert_temp_slot_address.
6073 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6074 (pop_temp_slots): Likewise.
6075 (init_temp_slots): Allocate the address -> temp slot map, or empty
6076 the map if it is already allocated.
6077 (prepare_function_start): Initialize temp slot processing.
6079 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6082 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6083 Calculate the size of all stack vars assuming no packing of stack
6084 vars will happen, replacing a quadratic algorithm with a linear one.
6086 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6089 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6092 2009-01-03 Diego Novillo <dnovillo@google.com>
6094 * doc/contrib.texi: Update contributions.
6096 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6099 * builtins.c (fold_builtin_memory_op): Give up if either operand
6100 is volatile. Set srctype or desttype to non-qualified version
6104 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6107 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6109 PR rtl-optimization/35805
6110 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6111 problem if fast dce is able to remove any instructions.
6112 * dce.c (dce_process_block): Fix dump message.
6114 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6117 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6119 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6122 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6123 * tree-pretty-print.c (op_code_prio): New function.
6124 (op_prio): No longer static. Use op_code_prio.
6125 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6126 Use op_prio and op_code_prio to determine if () should be
6127 printed around operand(s) or not.
6129 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6130 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6131 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6132 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6133 pp_character instead of pp_string for single letter printing.
6135 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6137 * doc/extend.texi: Fix '#pragma GCC option' typo.
6139 2009-01-02 Richard Guenther <rguenther@suse.de>
6141 * doc/install.texi (--enable-checking): Mention different
6143 (--enable-stage1-checking): Document.
6145 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6148 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6149 case to be an error.
6151 2009-01-02 Ben Elliston <bje@au.ibm.com>
6153 * config/fp-bit.h (pack_d): Constify argument.
6154 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6155 (isnan): Constify argument.
6159 (_fpadd_parts): Constify return type.
6160 (_fpmul_parts): Likewise.
6161 (_fpdiv_parts): Likewise.
6163 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6166 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6167 warn about overwriting initializer with side-effects or
6168 -Woverride-init if !IMPLICIT.
6169 (output_init_element): Likewise. Pass IMPLICIT down to
6171 (process_init_element): Add IMPLICIT argument. Pass it down
6172 to output_init_element.
6173 (push_init_element, pop_init_level, set_designator): Adjust
6174 process_init_element callers.
6175 (set_nonincremental_init, set_nonincremental_init_from_string):
6176 Adjust add_pending_init callers.
6177 (output_pending_init_elements): Adjust output_init_element callers.
6178 * c-tree.h (process_init_element): Adjust prototype.
6179 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6180 process_init_element callers.