1 2009-04-09 Alan Modra <amodra@bigpond.net.au>
4 * config.gcc (powerpc64-*-linux*): Always build biarch.
6 2009-04-09 Joseph Myers <joseph@codesourcery.com>
9 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
10 it and pedwarn if this results in an INTEGER_CST.
12 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14 * doc/install.texi: Update minimum GMP version. Remove obsolete
17 2009-04-08 Jakub Jelinek <jakub@redhat.com>
19 * dwarf2out.c (class_scope_p): New static inline.
20 (class_or_namespace_scope_p): Use it.
21 (gen_variable_die): Use DW_TAG_member tag for static data member
22 declarations instead of DW_TAG_variable.
25 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
28 2009-04-08 Richard Guenther <rguenther@suse.de>
30 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
33 2009-04-08 David Edelsohn <edelsohn@gnu.org>
35 * config.gcc (aix tm_file): Add aix-stdint.h.
36 (aix tm clause use_gcc_stdint): Set to wrap.
37 * config/rs6000/aix-stdint.h: New file.
39 2009-04-08 Richard Guenther <rguenther@suse.de>
42 * tree-dfa.c (add_referenced_var): Do not recurse into
44 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
46 (fold_const_aggregate_ref): Likewise.
48 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
50 * recog.c (ordered_comparison_operator): New.
51 * gensupport.c (std_preds): Add it.
52 * doc/md.texi (Machine-Independent Predicates): Document it.
54 2009-04-08 Jan Hubicka <jh@suse.cz>
56 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
57 * function.h (rtl_eh): Remove exception_handler_label_map.
58 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
59 remove_exception_handler_label, for_each_eh_label_1): Remove.
60 (rtl_remove_unreachable_regions): Remove.
61 (convert_from_eh_region_ranges): Do not remove unreachable regions.
62 (find_exception_handler_labels): Don't build the hashtable.
63 (maybe_remove_eh_handler): Remove.
64 (for_each_eh_label): Rewrite to walk the tree.
65 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
66 * except.h (maybe_remove_eh_handler): Remove.
67 * passes.c (init_optimization_passes): Schedule second EH cleanup
69 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
70 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
72 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
74 * genoutput.c (validate_optab_operands): New.
75 (gen_insn, gen_expand): Call it.
77 * genflags.c (gen_insn): Detect misused iterators.
78 (main): Pass line_no to gen_insn, exit with status 1 on error.
80 * genextract.c (line_no): Make global.
81 (VEC_safe_set_locstr): Change assertion to error message.
82 (main): Exit with status 1 on error.
84 2009-04-08 Joseph Myers <joseph@codesourcery.com>
88 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
89 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
90 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
91 * c-convert.c (convert): Do not call fold on results of conversion
92 functions when the result is a C_MAYBE_CONST_EXPR.
93 * c-parser.c (c_parser_postfix_expression): Do not fold condition
94 of __builtin_choose_expr.
95 * c-typeck.c (remove_c_maybe_const_expr): New.
96 (build_unary_op, build_conditional_expr, build_compound_expr,
97 build_binary_op, c_objc_common_truthvalue_conversion): Call
98 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
101 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
103 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
104 CODE to produce a new one. Add a prototype to use fold_convert_const
106 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
109 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
110 mix declarations and code.
112 2009-04-08 Ben Elliston <bje@au.ibm.com>
114 * gcc.c: Replace `CC' with `GCC' throughout.
116 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
118 * doc/invoke.texi: Document Atom support.
120 2009-04-07 Jason Merrill <jason@redhat.com>
123 * c-common.h, c-common.c: Add flag_pretty_templates.
124 * c-opts.c (c_common_handle_option): Set it.
125 * c.opt: Add -fno-pretty-templates.
126 * doc/invoke.texi (C++ Dialect Options): Likewise.
128 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
130 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
131 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
132 (ia64_expand_builtin): Likewise.
134 2009-04-07 Martin Jambor <mjambor@suse.cz>
136 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
137 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
138 ADDR_EXPRS are include too.
140 2009-04-07 Richard Guenther <rguenther@suse.de>
142 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
143 decls are only used if passes as parameters or if they are
144 local statics and the call is not to a builtin.
145 (call_may_clobber_ref_p_1): Likewise.
147 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
149 * expr.c (do_store_flag): Remove last argument. Simplify code
150 to avoid duplication of tests already done by can_compare_p.
151 (expand_expr_real_1): Adjust caller.
153 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
155 * optabs.c (can_compare_p): Test the predicate of a
156 cbranch and cstore pattern.
158 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
160 * expr.c (convert_move): Use emit_store_flag instead of
163 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
165 * config/i386/i386.c (ix86_compare_emitted): Remove.
166 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
167 ix86_compare_op0 like ix86_compare_emitted used to be handled.
168 * config/i386/i386.h (ix86_compare_emitted): Remove.
169 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
170 instead of ix86_compare_emitted.
171 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
173 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
175 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
176 Add t-sysroot-suffix to tmake_file.
177 * config/print-sysroot-suffix.sh: New file.
178 * config/t-sysroot-suffix: New file.
180 2009-04-07 Ben Elliston <bje@au.ibm.com>
182 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
183 as the latter produces a warning when the target does not support
186 2009-04-07 Ben Elliston <bje@au.ibm.com>
188 * dfp.c: Replace type punning assignments with memcpy throughout.
189 * Makefile.in (dfp.o-warn): Remove.
191 2009-04-07 Alan Modra <amodra@bigpond.net.au>
194 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
195 Include soft-fp/t-softfp after rs6000/t-linux64.
197 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
199 * stor-layout.c (set_sizetype): Use the full precision of their
200 machine mode for bitsize types.
202 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
204 * config/i386/i386.md: Revert 2 accidental checkins.
206 2009-04-06 Joey Ye <joey.ye@intel.com>
207 Xuepeng Guo <xuepeng.guo@intel.com>
208 H.J. Lu <hongjiu.lu@intel.com>
210 Atom pipeline model, tuning and insn selection.
211 * config.gcc (atom): Add atom config options and target.
213 * config/i386/atom.md: New.
215 * config/i386/i386.c (atom_cost): New cost.
216 (m_ATOM): New macro flag.
217 (initial_ix86_tune_features): Set m_ATOM.
218 (x86_accumulate_outgoing_args): Likewise.
219 (x86_arch_always_fancy_math_387): Likewise.
220 (processor_target): Add Atom cost.
221 (cpu_names): Add Atom cpu name.
222 (override_options): Set Atom ISA.
223 (ix86_issue_rate): New case PROCESSOR_ATOM.
224 (ix86_adjust_cost): Likewise.
226 * config/i386/i386.h (TARGET_ATOM): New target macro.
227 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
228 (TARGET_OPT_AGU): New target option.
229 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
230 (processor_type): Add PROCESSOR_ATOM.
232 * config/i386/i386.md (cpu): Add new value "atom".
233 (use_carry, movu): New attr.
234 (atom.md): Include atom.md.
235 (adddi3_carry_rex64): Set attr "use_carry".
236 (addqi3_carry): Likewise.
237 (addhi3_carry): Likewise.
238 (addsi3_carry): Likewise.
239 (*addsi3_carry_zext): Likewise.
240 (subdi3_carry_rex64): Likewise.
241 (subqi3_carry): Likewise.
242 (subhi3_carry): Likewise.
243 (subsi3_carry): Likewise.
244 (x86_movdicc_0_m1_rex64): Likewise.
245 (*x86_movdicc_0_m1_se): Likewise.
246 (x86_movsicc_0_m1): Likewise.
247 (*x86_movsicc_0_m1_se): Likewise.
248 (*adddi_1_rex64): Emit add insn as much as possible.
249 (*addsi_1): Likewise.
250 (return_internal): Set atom_unit.
251 (return_internal_long): Likewise.
252 (return_pop_internal): Likewise.
253 (*rcpsf2_sse): Set atom_sse_attr attr.
254 (*qrt<mode>2_sse): Likewise.
255 (*prefetch_sse): Likewise.
257 * config/i386/i386-c.c (ix86_target_macros_internal): New case
259 (ix86_target_macros_internal): Likewise.
261 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
262 (*prefetch_sse_rex): Likewise.
263 (sse_rcpv4sf2): Likewise.
264 (sse_vmrcpv4sf2): Likewise.
265 (sse_sqrtv4sf2): Likewise.
266 (<sse>_vmsqrt<mode>2): Likewise.
267 (sse_ldmxcsr): Likewise.
268 (sse_stmxcsr): Likewise.
269 (*sse_sfence): Likewise.
270 (sse2_clflush): Likewise.
271 (*sse2_mfence): Likewise.
272 (*sse2_lfence): Likewise.
273 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
274 (<sse>_movup<ssemodesuffixf2c>): Likewise.
275 (avx_movdqu<avxmodesuffix>): Likewise.
276 (avx_lddqu<avxmodesuffix>): Likewise.
277 (sse2_movntv2di): Change attr "type" to "ssemov".
278 (sse2_movntsi): Likewise.
279 (rsqrtv8sf2): Change attr "type" to "sseadd".
280 (sse3_addsubv2df3): Set attr "atom_unit".
281 (sse3_h<plusminus_insn>v4sf3): Likewise.
282 (*sse2_pmaddwd): Likewise.
283 (*vec_extractv2di_1_rex64): Likewise.
284 (*vec_extractv2di_1_avx): Likewise.
285 (sse2_psadbw): Likewise.
286 (ssse3_phaddwv8hi3): Likewise.
287 (ssse3_phaddwv4hi3): Likewise.
288 (ssse3_phadddv4si3): Likewise.
289 (ssse3_phadddv2si3): Likewise.
290 (ssse3_phaddswv8hi3): Likewise.
291 (ssse3_phaddswv4hi3): Likewise.
292 (ssse3_phsubwv8hi3): Likewise.
293 (ssse3_phsubwv4hi3): Likewise.
294 (ssse3_phsubdv4si3): Likewise.
295 (ssse3_phsubdv2si3): Likewise.
296 (ssse3_phsubswv8hi3): Likewise.
297 (ssse3_phsubswv4hi3): Likewise.
298 (ssse3_pmaddubsw128): Likewise.
299 (sse3_pmaddubsw: Likewise.
300 (ssse3_palignrti): Likewise.
301 (ssse3_palignrdi): Likewise.
303 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
305 * doc/install.texi (Specific): Fix two cross-references to MinGW.
307 2009-04-06 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/28868
310 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
311 of which PHI results we inserted.
312 (insert_into_preds_of_block): Record inserted PHIs.
313 (eliminate): Eliminate redundant PHI nodes.
314 (init_pre): Init inserted_phi_names.
316 2009-04-06 Richard Guenther <rguenther@suse.de>
318 PR tree-optimization/39643
319 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
320 IMAGPART_EXPRs of complex constants.
321 (execute_fold_all_builtins): If we folded a call queue
322 TODO_update_address_taken.
324 2009-04-06 Jan Hubicka <jh@suse.cz>
327 * except.c (remove_unreachable_regions): Propagate may_contain_throw
330 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
332 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
334 (ic_invalidate_array): Likewise.
336 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
338 * calls.c (emit_library_call_value_1): Fix a problem with parameter
339 alignment for library calls.
341 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
343 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
344 (mingw32 tm clause use_gcc_stdint): Set to wrap.
345 * config/i386/mingw-stdint.h: New file.
347 2009-04-05 Richard Guenther <rguenther@suse.de>
349 PR tree-optimization/39648
350 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
351 our &A vs. &A[0] IL deficiencies.
353 2009-04-04 Jan Hubicka <jh@suse.cz>
355 * except.c (sjlj_find_directly_reachable_regions): Be ready for
356 removed toplevel regions.
357 (sjlj_mark_call_sites): Likewise.
359 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
361 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
362 (cygwin tm clause use_gcc_stdint): Set to wrap.
363 * config/i386/cygwin-stdint.h: New file.
365 2009-04-04 Richard Guenther <rguenther@suse.de>
367 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
368 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
369 single-argument PHIs if we are in loop-closed SSA form.
370 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
371 for the pre-condition.
372 (slpeel_tree_peel_loop_to_edge): Likewise.
373 (vect_build_loop_niters): Take an optional sequence to append stmts.
374 (vect_generate_tmps_on_preheader): Likewise.
375 (vect_do_peeling_for_loop_bound): Take extra guards for the
377 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
378 the cost model check.
379 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
380 guards if we are going to peel. Do not apply versioning in that
382 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
383 (vect_do_peeling_for_loop_bound): Likewise.
384 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
385 loop bound only record extra pre-conditions, do not apply loop
388 2009-04-04 Richard Guenther <rguenther@suse.de>
390 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
393 2009-04-04 Jan Hubicka <jh@suse.cz>
395 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
396 last_basic_block for size of bb->index indexed array.
397 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
398 compute_out, link_btr_uses, build_btr_def_use_webs,
399 build_btr_def_use_webs, migrate_btr_defs): Likewise.
401 2009-04-04 Jan Hubicka <jh@suse.cz>
403 * except.c (remove_eh_handler_and_replace): Break out from ...
404 (remove_eh_handler): ... here.
405 (bring_to_root): New function.
406 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
407 handled ones, bring others to root of tree.
409 2009-04-04 Jan Hubicka <jh@suse.cz>
411 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
412 (all_phis_safe_to_merge): New function.
413 (update_info): New structure.
414 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
415 (cleanup_empty_eh): Update SSA if possible.
417 2009-04-04 Richard Guenther <rguenther@suse.de>
419 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
420 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
421 (append_vuse): Likewise.
423 2009-04-04 Jakub Jelinek <jakub@redhat.com>
425 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
426 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
427 instead of REG_UNSAVED for DW_CFA_undefined.
428 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
429 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
432 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
435 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
436 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
437 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
439 2009-04-04 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/8781
442 PR tree-optimization/37892
443 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
444 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
445 (valueize_refs): Call it for *& valueizations.
446 (shared_reference_ops_from_ref): Rename to ...
447 (valueize_shared_reference_ops_from_ref): ... this and valueize.
448 (shared_reference_ops_from_call): Rename to ...
449 (valueize_shared_reference_ops_from_call): ... this and valueize.
450 (vn_reference_lookup): Update.
451 (visit_reference_op_call): Likewise.
452 * tree-ssa-pre.c (phi_translate_1): Fold *&.
453 (eliminate): Value-replace the call address in call statements.
455 2009-04-04 Richard Guenther <rguenther@suse.de>
457 PR tree-optimization/39636
458 * tree-ssa-forwprop.c
459 (forward_propagate_addr_into_variable_array_index): Check for
460 GIMPLE_ASSIGN before accessing the rhs code.
462 2009-04-03 Jason Merrill <jason@redhat.com>
464 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
466 2009-04-03 Steve Ellcey <sje@cup.hp.com>
468 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
469 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
470 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
471 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
472 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
473 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
474 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
475 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
476 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
477 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
478 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
479 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
480 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
481 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
482 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
483 Use fr_reg_or_fp01_operand instead of fr_register_operand
485 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
486 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
487 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
489 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
491 PR rtl-optimization/39607
492 PR rtl-optimization/39631
494 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
495 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
496 instead of DF_LR_OUT.
497 * ira-lives.c (process_bb_node_lives): Ditto.
498 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
499 instead of DF_LR_{OUT,IN}.
500 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
501 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
503 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
505 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
506 (execute_lower_omp): Always run but take the short way out if -fopenmp
508 (gate_lower_omp): Remove, forcing the pass manager to always run the
509 pass and always set PROP_gimple_lomp.
510 (pass_lower_omp): Remove gate function.
511 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
512 PROP_trees. Instead, require it.
513 * ipa-cp.c (pass_ipa_cp): Likewise.
514 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
515 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
516 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
519 2009-04-03 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/23940
523 PR tree-optimization/33237
526 PR tree-optimization/36201
527 PR tree-optimization/36230
528 PR tree-optimization/38049
529 PR tree-optimization/38207
530 PR tree-optimization/38230
531 PR tree-optimization/38301
532 PR tree-optimization/38585
534 PR tree-optimization/38985
535 PR tree-optimization/39299
536 * tree-ssa-structalias.h: Remove.
537 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
538 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
539 (struct vuse_element_d): Remove.
540 (struct vuse_vec_d): Likewise.
541 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
542 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
543 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
544 VUSE_ELEMENT_VAR): Likewise.
545 (struct voptype_d): Likewise.
546 (NUM_VOP_FREE_BUCKETS): Likewise.
547 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
548 (struct stmt_operands_d): Remove.
549 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
550 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
551 VDEF_NUM, VDEF_VECT): Likewise.
552 (copy_virtual_operands): Remove.
553 (operand_build_cmp): Likewise.
554 (create_ssa_artificial_load_stmt): Likewise.
555 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
556 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
557 vuse_index and mayuse_index members. Pack and move done and iter_type
558 members to the front.
559 (SSA_OP_VMAYUSE): Remove.
560 (SSA_OP_VIRTUAL_USES): Adjust.
561 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
562 (unlink_stmt_vdef): Declare.
563 (add_to_addressable_set): Remove.
564 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
565 (vrp_visit_stmt): Likewise.
566 * doc/tree-ssa.texi (Alias analysis): Update.
567 * doc/invoke.texi (max-aliased-vops): Remove docs.
568 (avg-aliased-vops): Likewise.
569 * tree-into-ssa.c (syms_to_rename): Remove.
570 (need_to_update_vops_p): Likewise.
571 (need_to_initialize_update_ssa_p): Rename to ...
572 (update_ssa_initialized_fn): ... this. Track function we are
574 (symbol_marked_for_renaming): Simplify.
575 (add_new_name_mapping): Do not set need_to_update_vops_p.
576 (dump_currdefs): Use SYMS_TO_RENAME.
577 (rewrite_update_stmt): Always walk all uses/defs.
578 (dump_update_ssa): Adjust.
579 (init_update_ssa): Take function argument. Track what we are
581 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
582 (create_new_def_for): Initialize for cfun, assert we are initialized
584 (mark_sym_for_renaming): Simplify.
585 (mark_set_for_renaming): Do not initialize update-ssa.
586 (need_ssa_update_p): Simplify. Take function argument.
587 (name_mappings_registered_p): Assert we ask for the correct function.
588 (name_registered_for_update_p): Likewise.
589 (ssa_names_to_replace): Likewise.
590 (release_ssa_name_after_update_ssa): Likewise.
591 (update_ssa): Likewise. Use SYMS_TO_RENAME.
592 (dump_decl_set): Do not print a newline.
593 (debug_decl_set): Do it here.
594 (dump_update_ssa): And here.
595 * tree-ssa-loop-im.c (move_computations): Adjust.
596 (movement_possibility): Likewise.
597 (determine_max_movement): Likewise.
598 (gather_mem_refs_stmt): Likewise.
599 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
601 * tree-complex.c (update_all_vops): Remove.
602 (expand_complex_move): Adjust.
603 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
604 Simplify test for memory referencing statement. Exclude
605 non-invariant ADDR_EXPRs.
606 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
607 * tree-loop-distribution.c (generate_memset_zero): Adjust.
608 (rdg_flag_uses): Likewise.
609 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
611 (tree_optimize_tail_calls_1): Also split the
612 edge from the entry block if we have degenerate PHI nodes in
613 the first basic block.
614 * tree.c (init_ttree): Remove memory-tag related code.
615 (tree_code_size): Likewise.
616 (tree_node_structure): Likewise.
617 (build7_stat): Re-write to be build6_stat.
618 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
620 (struct tree_memory_tag): Remove.
621 (struct tree_memory_partition_tag): Likewise.
622 (union tree_node): Adjust.
623 (build7): Re-write to be build6.
624 * tree-pass.h (pass_reset_cc_flags): Remove.
625 (TODO_update_address_taken): New flag.
626 (pass_simple_dse): Remove.
627 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
628 * params.h (MAX_ALIASED_VOPS): Remove.
629 (AVG_ALIASED_VOPS): Likewise.
630 * omp-low.c (expand_omp_taskreg): Update SSA form.
631 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
632 aliases the lhs in a copy stmt.
633 * tree-ssa-dse.c (struct address_walk_data): Remove.
634 (memory_ssa_name_same): Likewise.
635 (memory_address_same): Likewise.
636 (get_kill_of_stmt_lhs): Likewise.
637 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
638 unused stores. Look through PHI nodes into post-dominated regions.
639 (dse_optimize_stmt): Simplify. Properly remove stores.
640 (tree_ssa_dse): Compute dominators.
641 (execute_simple_dse): Remove.
642 (pass_simple_dse): Likewise.
643 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
644 gimple_loaded_syms and gimple_stored_syms computation.
645 * toplev.c (dump_memory_report): Dump alias and pta stats.
646 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
647 (vn_reference_eq): Likewise.
648 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
649 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
650 valueize_vuses): Remove.
651 (get_def_ref_stmt_vuses): Simplify. Rename to ...
652 (get_def_ref_stmt_vuse): ... this.
653 (vn_reference_lookup_2): New function.
654 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
655 walking equivalent vuses. Simplify.
656 (vn_reference_lookup): Likewise.
657 (vn_reference_insert): Likewise.
658 (vn_reference_insert_pieces): Likewise.
659 (visit_reference_op_call): Simplify.
660 (visit_reference_op_load): Likewise.
661 (visit_reference_op_store): Likewise.
662 (init_scc_vn): Remove shared_lookup_vuses initialization.
663 (free_scc_vn): Remove shared_lookup_vuses freeing.
664 (sort_vuses, sort_vuses_heap): Remove.
665 (get_ref_from_reference_ops): Export.
666 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
667 vector with single vuse pointer.
668 (vn_reference_lookup_pieces, vn_reference_lookup,
669 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
670 (shared_vuses_from_stmt): Remove.
671 (get_ref_from_reference_ops): Declare.
672 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
673 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
674 memory-tag related code.
675 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
676 (likely_value): Add comment, skip static-chain of call statements.
677 (surely_varying_stmt_p): Adjust.
678 (gimplify_and_update_call_from_tree): Likewise.
679 (execute_fold_all_builtins): Do not rebuild alias info.
680 (gimplify_and_update_call_from_tree): Properly update VOPs.
681 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
682 (copy_ref_info): Remove memory-tag related code.
683 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
684 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
685 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
687 * tree-ssa-dom.c (gimple_p): Remove typedef.
688 (eliminate_redundant_computations): Adjust.
689 (record_equivalences_from_stmt): Likewise.
690 (avail_expr_hash): Likewise.
691 (avail_expr_eq): Likewise.
692 * tree-ssa-propagate.c (update_call_from_tree): Properly
694 (stmt_makes_single_load): Likewise.
695 (stmt_makes_single_store): Likewise.
696 * tree-ssa-alias.c: Rewrite completely.
697 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
698 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
699 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
700 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
701 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
702 Remove public functions.
703 (pass_reset_cc_flags): Remove.
704 (pass_build_alias): Move ...
705 * tree-ssa-structalias.c (pass_build_alias): ... here.
706 * tree-ssa-alias.c (may_be_aliased): Move ...
707 * tree-flow-inline.h (may_be_aliased): ... here.
708 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
709 count_uses_and_derefs): Move ...
710 * gimple.c: ... here.
711 * gimple.h (count_uses_and_derefs): Declare.
712 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
713 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
714 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
715 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
716 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
717 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
718 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
720 * tree-dfa.c (refs_may_alias_p): Move ...
721 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
722 * tree-ssa-alias.h: New file.
723 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
724 (statement_sink_location): Likewise.
725 * opts.c (decode_options): Do not adjust max-aliased-vops or
726 avg-aliased-vops values.
727 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
728 (TV_CALL_CLOBBER): Likewise.
729 (TV_FLOW_SENSITIVE): Likewise.
730 (TV_FLOW_INSENSITIVE): Likewise.
731 (TV_MEMORY_PARTITIONING): Likewise.
732 (TV_ALIAS_STMT_WALK): New timevar.
733 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
734 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
735 (get_address_description): Remove memory-tag related code.
736 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
737 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
738 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
739 and immediate uses in statements. Document.
740 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
741 (dump_symbols): Remove.
742 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
743 * alias.c (get_deref_alias_set): New function split out from ...
744 (get_alias_set): ... here.
745 * alias.h (get_deref_alias_set): Declare.
746 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
747 type parameter. Remove restrict pointer handling. Create a
748 ref-all pointer in case type-based alias sets do not conflict.
749 (vect_analyze_data_refs): Remove SMT related code.
750 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
751 (vectorizable_load): Likewise.
752 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
753 (DR_SYMBOL_TAG, DR_VOPS): Remove.
754 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
755 Ignore vops and SMTs.
756 (dr_analyze_alias): Likewise..
757 (free_data_ref): Likewise.
758 (create_data_ref): Likewise.
759 (analyze_all_data_dependences): Likewise.
760 (get_references_in_stmt): Adjust.
761 * tree-flow-inline.h (gimple_aliases_computed_p,
762 gimple_addressable_vars, gimple_call_clobbered_vars,
763 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
764 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
765 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
766 gimple_mem_ref_stats): Remove.
767 (gimple_vop): New function.
768 (op_iter_next_use): Remove vuses and mayuses cases.
769 (op_iter_next_def): Remove vdefs case.
770 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
771 (clear_and_done_ssa_iter): Do not set removed fields.
772 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
773 Assert we are not iterating over vuses or vdefs if not also
774 iterating over uses or defs.
775 (op_iter_init_use): Likewise.
776 (op_iter_init_def): Likewise.
777 (op_iter_next_vdef): Remove.
778 (op_iter_next_mustdef): Likewise.
779 (op_iter_init_vdef): Likewise.
780 (compare_ssa_operands_equal): Likewise.
781 (link_use_stmts_after): Handle vuse operand.
782 (is_call_used): Use is_call_clobbered.
783 (is_call_clobbered): Global variables are always call clobbered,
784 query the call-clobbers bitmap.
785 (mark_call_clobbered): Ignore global variables.
786 (clear_call_clobbered): Likewise.
787 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
788 virtual operands sanity check.
789 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
791 (TARGET_MEM_REF): Remove TMR_TAG operand.
792 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
793 Remove call-clobber related code.
794 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
795 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
796 partitions or escape reason.
797 (get_single_def_stmt, get_single_def_stmt_from_phi,
798 get_single_def_stmt_with_phi): Remove.
799 (dump_referenced_vars): Tidy.
800 (get_ref_base_and_extent): Allow bare decls.
801 (collect_dfa_stats): Adjust.
802 * graphite.c (rename_variables_in_stmt): Adjust.
803 (graphite_copy_stmts_from_block): Likewise.
804 (translate_clast): Likewise.
805 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
807 (translate_vuse_through_block): Use the oracle.
808 (phi_translate_1): Adjust.
809 (value_dies_in_block_x): Use the oracle. Cache the outcome
811 (valid_in_sets): Check if the VUSE for
812 a REFERENCE is available.
813 (eliminate): Do not remove stmts during elimination,
814 instead queue and remove them afterwards.
815 (do_pre): Do not rebuild alias info.
816 (pass_pre): Run TODO_rebuild_alias before PRE.
817 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
818 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
819 (mark_all_v_defs_stmt): Remove.
820 (mark_all_v_defs_seq): Adjust.
821 (sra_replace): Likewise.
822 (scalarize_use): Likewise.
823 (scalarize_copy): Likewise.
824 (scalarize_init): Likewise.
825 (scalarize_ldst): Likewise.
827 (tree_sra): Do not rebuild alias info.
828 (tree_sra_early): Adjust.
829 (pass_sra): Run TODO_update_address_taken before SRA.
830 * tree-predcom.c (set_alias_info): Remove.
831 (prepare_initializers_chain): Do not call it.
832 (mark_virtual_ops_for_renaming): Adjust.
833 (mark_virtual_ops_for_renaming_list): Remove.
834 (initialize_root_vars): Adjust.
835 (initialize_root_vars_lm): Likewise.
836 (prepare_initializers_chain): Likewise.
837 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
838 (may_propagate_copy_into_stmt): Likewise.
839 (merge_alias_info): Do nothing for now.
840 (propagate_tree_value_into_stmt): Adjust.
841 (stmt_may_generate_copy): Likewise.
842 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
843 not mark symbols for renaming.
844 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
845 with the same statement, make sure to update the new pointed-to one.
846 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
847 call statements, do not mark symbols for renaming.
848 (mark_operand_necessary): Dump something.
849 (ref_may_be_aliased): New function.
850 (mark_aliased_reaching_defs_necessary_1): New helper function.
851 (mark_aliased_reaching_defs_necessary): Likewise.
852 (mark_all_reaching_defs_necessary_1): Likewise.
853 (mark_all_reaching_defs_necessary): Likewise.
854 (propagate_necessity): Do not process virtual PHIs. For
855 non-aliased loads mark all reaching definitions as necessary.
856 For aliased loads and stores mark the immediate dominating
857 aliased clobbers as necessary.
858 (visited): New global static.
859 (perform_tree_ssa_dce): Free visited bitmap after propagating
861 (remove_dead_phis): Perform simple dead virtual PHI removal.
862 (remove_dead_stmt): Properly unlink virtual operands when
864 (eliminate_unnecessary_stmts): Schedule PHI removal after
866 * tree-ssa-ter.c (is_replaceable_p): Adjust.
867 (process_replaceable): Likewise.
868 (find_replaceable_in_bb): Likewise.
869 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
870 based on the single gimple vop.
871 (verify_flow_insensitive_alias_info): Remove.
872 (verify_flow_sensitive_alias_info): Likewise.
873 (verify_call_clobbering): Likewise.
874 (verify_memory_partitions): Likewise.
875 (verify_alias_info): Likewise.
876 (verify_ssa): Adjust..
877 (execute_update_addresses_taken): Export. Update SSA
878 manually. Optimize only when optimizing. Use a local bitmap.
879 (pass_update_address_taken): Remove TODO_update_ssa, add
881 (pass_update_address_taken): Just use TODO_update_address_taken.
882 (init_tree_ssa): Do not initialize addressable_vars.
883 (verify_ssa): Verify new VUSE / VDEF properties.
884 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
885 Do not call verify_alias_info.
886 (delete_tree_ssa): Clear the VUSE, VDEF operands.
887 Do not free the loaded and stored syms bitmaps. Reset the escaped
888 and callused solutions. Do not free addressable_vars.
889 Remove memory-tag related code.
890 (warn_uninitialized_var): Aliases are always available.
891 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
892 * lambda-code.c (can_put_in_inner_loop): Adjust.
893 (can_put_after_inner_loop): Likewise.
894 (perfect_nestify): Likewise.
895 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
896 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
897 (vectorizable_conversion): Do not mark symbols for renaming.
898 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
899 (expand_call_inline): Unlink the calls virtual operands before
901 (tree_function_versioning): Do not call update_ssa if we are not
902 updating clones. Simplify.
903 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
904 (propagate_with_phi): Likewise..
905 * tree-outof-ssa.c (create_temp): Remove memory tag and call
906 clobber code. Assert we are not aliased or global.
907 * tree-flow.h: Include tree-ssa-alias.h
908 (enum escape_type): Remove.
909 (struct mem_sym_stats_d): Likewise.
910 (struct mem_ref_stats_d): Likewise.
911 (struct gimple_df): Add vop member. Remove global_var,
912 call_clobbered_vars, call_used_vars, addressable_vars,
913 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
914 escaped and callused members.
915 (struct ptr_info_def): Remove all members, add points-to solution
917 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
918 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
919 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
920 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
921 (tree-ssa-alias.o): Likewise.
922 (toplev.o): Add tree-ssa-alias.h
923 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
924 * gimple.c (gimple_set_bb): Fix off-by-one error.
925 (is_gimple_reg): Do not handle memory tags.
926 (gimple_copy): Also copy virtual operands.
927 Delay updating the statement. Do not reset loaded and stored syms.
928 (gimple_set_stored_syms): Remove.
929 (gimple_set_loaded_syms): Likewise.
930 (gimple_call_copy_skip_args): Copy the virtual operands
931 and mark the new statement modified.
932 * tree-ssa-structalias.c (may_alias_p): Remove.
933 (set_uids_in_ptset): Take the alias set to prune with as
934 parameter. Fold in the alias test of may_alias_p.
935 (compute_points_to_sets): Compute whether a ptr is dereferenced
937 (process_constraint): Deal with &ANYTHING on the lhs, reject all
938 other ADDRESSOF constraints on the lhs.
939 (get_constraint_for_component_ref): Assert that we don't get
940 ADDRESSOF constraints from the base of the reference.
941 Properly generate UNKNOWN_OFFSET for DEREF if needed.
942 (struct variable_info): Remove collapsed_to member.
943 (get_varinfo_fc): Remove.
944 (new_var_info): Do not set collapsed_to.
945 (dump_constraint): Do not follow cycles.
946 (dump_constraint_graph): Likewise.
947 (build_pred_graph): Likewise.
948 (build_succ_graph): Likewise.
949 (rewrite_constraints): Likewise.
950 (do_simple_structure_copy): Remove.
951 (do_rhs_deref_structure_copy): Remove.
952 (do_lhs_deref_structure_copy): Remove.
953 (collapse_rest_of_var): Remove.
954 (do_structure_copy): Re-implement.
955 (pta_stats): New global variable.
956 (dump_pta_stats): New function.
957 (struct constraint_expr): Make offset signed.
958 (UNKNOWN_OFFSET): Define special value.
959 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
960 (solution_set_expand): New helper function split out from ...
961 (do_sd_constraint): ... here.
962 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
963 (do_ds_constraint): Likewise.
964 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
965 and CALLUSED = *CALLUSED.
966 (set_union_with_increment): Make inc argument signed.
968 (get_constraint_for_ptr_offset): Handle unknown and negative
970 (first_vi_for_offset): Handle offsets before start. Bail
971 out early for offsets beyond the variable extent.
972 (first_or_preceding_vi_for_offset): New function.
973 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
974 Together with ESCAPED = *ESCAPED this properly computes reachability.
975 (find_what_var_points_to): New function.
976 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
977 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
978 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
979 pt_solutions_intersect): New functions.
980 (compute_call_used_vars): Remove.
981 (compute_may_aliases): New main entry into PTA computation.
982 * gimple.h (gimple_p): New typedef.
983 (struct gimple_statement_base): Remove references_memory_p.
984 (struct gimple_statement_with_memory_ops_base): Remove
985 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
987 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
988 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
989 gimple_set_references_memory): Remove.
990 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
991 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
993 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
994 (verify_expr): Allow RESULT_DECL.
995 (gimple_duplicate_bb): Do not copy virtual operands.
996 (gimple_duplicate_sese_region): Adjust.
997 (gimple_duplicate_sese_tail): Likewise.
998 (mark_virtual_ops_in_region): Remove.
999 (move_sese_region_to_fn): Do not call it.
1000 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1001 and pass_simple_dse.
1002 (execute_function_todo): Handle TODO_update_address_taken,
1003 call execute_update_addresses_taken for TODO_rebuild_alias.
1004 (execute_todo): Adjust.
1005 (execute_one_pass): Init dump files early.
1006 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1008 (create_general_new_stmt): Clear vops.
1009 * tree-ssa-reassoc.c (get_rank): Adjust.
1010 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1011 symbols for renaming.
1012 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1013 (PARAM_AVG_ALIASED_VOPS): Likewise.
1014 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1015 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1016 * tree-ssa-operands.c: Simplify for new virtual operand
1018 (operand_build_cmp, copy_virtual_operands,
1019 create_ssa_artificial_load_stmt, add_to_addressable_set,
1020 gimple_add_to_addresses_taken): Remove public functions.
1021 (unlink_stmt_vdef): New function.
1023 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1025 * config.gcc (powerpc-*-linux*): Merge variants.
1027 2009-04-02 Chao-ying Fu <fu@mips.com>
1028 James Grosbach <james.grosbach@microchip.com>
1030 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1031 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1033 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1034 keep_interrupts_masked_p, use_debug_exception_return_p.
1035 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1036 keep_interrupts_masked, use_debug_exception_return.
1037 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1038 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1040 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1041 (mips_print_operand): Process COP0 registers to print $0 .. $31
1042 correctly for GAS to process.
1043 (mips_interrupt_extra_call_saved_reg_p): New function.
1044 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1046 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1047 (mips_compute_frame_info): Add supports for interrupt context that
1048 includes doubleword accumulators and COP0 registers.
1049 (mips_for_each_saved_acc): New function.
1050 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1051 mips_for_each_saved_reg.
1052 (mips_save_reg): Save accumulators.
1053 (mips_kernel_reg_p): A new for_each_rtx callback.
1054 (mips_expand_prologue): Support interrupt handlers.
1055 (mips_restore_reg): Restore accumulators.
1056 (mips_expand_epilogue): Support interrupt handlers.
1057 (mips_can_use_return_insn): Return false for interrupt handlers.
1058 (mips_epilogue_uses): New function.
1059 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1060 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1061 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1062 cop0_move): New instructions.
1063 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1064 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1066 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1068 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1069 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1070 interrupt handlers, we use K0 as the temporary register.
1071 (EPILOGUE_USES): Change to a function call.
1072 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1073 handlers, we use K0 as the temporary register.
1075 * doc/extend.texi (Function Attributes): Document interrupt,
1076 use_shadow_register_set, keep_interrupts_masked,
1077 use_debug_exception_return for MIPS attributes.
1079 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1081 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1082 Remove a number of t-files from tmake_file.
1083 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1084 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1085 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1086 target_prototype, not TARGET_PROTOTYPE.
1087 (LINK_OS_GNU_SPEC): Define.
1088 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1089 and darwin-ldoubdle.c.
1091 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1094 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1095 (cpp_options): Ditto.
1096 (default_compilers): Ditto.
1097 (display_help): Ditto.
1098 (process_command): Ditto.
1100 (set_input): Use lbasename instead of duplicate code.
1101 (save_temps_prefix): New static for -save-temps=obj.
1102 (save_temps_length): Ditto.
1104 * doc/invoke.texi (-save-temps=obj): Document new variant to
1107 2009-04-02 Jeff Law <law@redhat.com>
1109 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1112 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1114 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1115 * configure: Regenerated.
1117 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1119 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1120 share the argument list.
1122 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1126 2009-02-12 Diego Novillo <dnovillo@google.com>
1128 * varpool.c (debug_varpool): New.
1129 * cgraph.h (debug_varpool): Declare.
1131 2009-04-02 Jan Hubicka <jh@suse.cz>
1133 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1136 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1138 * config/i386/i386.c (ix86_abi): Move initialization to ...
1139 (override_options): Here.
1141 2009-04-02 Christian Bruel <christian.bruel@st.com>
1143 * config/sh/sh.c (sh_dwarf_register_span): New function.
1144 (TARGET_DWARF_REGISTER_SPAN): Define.
1145 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1147 2009-04-02 Ira Rosen <irar@il.ibm.com>
1149 PR tree-optimization/39595
1150 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1151 interleaved loads group is not greater than the SLP group size.
1153 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1155 * builtins.c (is_builtin_name): New.
1156 (called_as_built_in): Use is_builtin_name.
1157 * tree.h (is_builtin_name): New.
1158 * varasm.c (incorporeal_function_p): Use is_builtin_name
1160 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1162 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1164 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1167 * c-decl.c: (clone_underlying_type): Move this ...
1168 * c-common.c (set_underlying_type): ... here.
1169 Also, make sure the function properly sets TYPE_STUB_DECL() on
1170 the newly created typedef variant type.
1171 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1172 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
1174 2009-04-02 Richard Guenther <rguenther@suse.de>
1176 PR tree-optimization/37221
1177 * tree-flow.h (degenerate_phi_result): Declare.
1178 * tree-ssa-dom.c (degenerate_phi_result): Export.
1179 * tree-scalar-evolution.c (analyze_initial_condition): If
1180 the initial condition is defined by a degenerate PHI node
1181 use the degenerate value.
1183 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1185 PR rtl-optimization/39588
1186 * combine.c (merge_outer_ops): Do not set the constant when this
1188 (simplify_shift_const_1): Do not modify it either in this case.
1190 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1192 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1193 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1195 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1198 * c-lex.c (interpret_float): Default (no suffix) is double.
1200 2009-04-1 Xinliang David Li <davidxl@google.com>
1202 * config/i386/i386.c (legitimate_constant_p): Recognize
1203 all one vector constant.
1205 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1207 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1208 Change #include order to silence two warnings.
1210 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1212 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1213 (ASM_SPEC): Pass -k to the assembler for PIC code.
1215 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1217 * gcc/config.gcc: Add vax-*-linux* to the switch.
1218 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1219 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1221 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1223 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1224 Use predicate macros instead of GET_CODE() == foo.
1225 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1226 ashlsi3, rotrsi3, <unnamed>): Likewise.
1228 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1230 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1231 jbbccihi, jbbccisi): Remova trailing whitespace.
1232 * gcc/config/vax/constraints.md: Likewise.
1233 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1234 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1235 * gcc/config/vax/predicates.md: Likewise.
1236 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1237 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1238 * gcc/config/vax/vax.h: Likewise.
1239 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1241 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1243 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1244 (indirectable_address_p, adjacent_operands_p): Add spaces around
1246 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1248 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1250 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1251 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1252 index_term_p, reg_plus_index_p, legitimate_address_p,
1253 vax_mode_dependent_address_p): Update comments to match functions
1254 modified by the recent int->bool conversion.
1256 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1258 * gcc/config/vax/builtins.md: Update copyright message.
1259 * gcc/config/vax/constraints.md: Likewise.
1260 * gcc/config/vax/netbsd-elf.h: Likewise.
1261 * gcc/config/vax/predicates.md: Likewise.
1262 * gcc/config/vax/vax-protos.h: Likewise.
1263 * gcc/config/vax/vax.c: Likewise.
1264 * gcc/config/vax/vax.h: Likewise.
1265 * gcc/config/vax/vax.md: Likewise.
1266 * gcc/config/vax/vax.opt: Likewise.
1268 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1270 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1271 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1272 * gcc/config/vax/constraints.md (B, R): Likewise.
1273 * gcc/config/vax/predicates.md (external_memory_operand,
1274 nonimmediate_addsub_di_operand): Likewise.
1275 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1276 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1277 untyped_call): Likewise.
1279 2009-04-01 Matt Thomas <matt@3am-software.com>
1281 * config/vax/predicates.md: New file. (symbolic_operand,
1282 local_symbolic_operand, external_symbolic_operand,
1283 external_const_operand, nonsymbolic_operand, external_memory_operand,
1284 indirect_memory_operand, indexed_memory_operand,
1285 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1286 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1288 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1289 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1290 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1291 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1292 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1293 * config/vax/vax.opt (mqmath): Add option.
1294 * config/vax/vax.md (isfx): Extend with DI.
1295 (VAXintQH, VAXintQHSD): Define.
1296 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1297 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1298 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1299 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1300 (movdi): Update constraints and use vax_output_int_move().
1301 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1302 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1303 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1304 nonlocal_goto): New.
1305 (mov<mode>): Extend accepted operand types.
1306 (subdi3_old): Rename from subdi3, change update constraints and use
1307 a new implementation.
1308 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1309 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1310 MOVE_RATIO, CLEAR_RATIO): Define.
1311 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1312 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1313 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1314 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1315 (split_quadword_operands): Make static and really allow variable
1317 (print_operand_address): Update for PIC generation.
1318 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1319 indexable_address_p, fixup_mathdi_operand,
1320 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1321 (vax_float_literal, legitimate_constant_p,
1322 indirectable_constant_address_p, index_term_p,
1323 reg_plus_index_p): Return bool instead of int.
1324 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1326 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1328 (vax_output_conditional_branch): Indent.
1329 (legitimate_constant_address_p, indirectable_constant_address_p,
1330 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1331 vax_mode_dependent_address_p): Return bool instead of int, update for
1333 * config/vax/vax-protos.h (legitimate_constant_address_p,
1334 legitimate_constant_p, legitimate_address_p,
1335 vax_mode_dependent_address_p): Change declaration to bool.
1336 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1337 vax_expand_addsub_di_operands, vax_output_int_subtract,
1338 vax_output_movmemsi): Declare.
1339 (split_quadword_operands, vax_float_literal): Delete declaration.
1340 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1341 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1342 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1343 ASM_OUTPUT_DWARF_PCREL): Define.
1344 (ASM_SPEC): Change definition to allow PIC generation.
1346 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1349 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1350 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1351 (booldi3_internal3): Use boolean_or_operator instead of
1354 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1357 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1358 declarator whose size is not an integer constant expression but
1359 folds to an integer constant, then treat it as a constant
1362 2009-04-01 Richard Guenther <rguenther@suse.de>
1364 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1365 i * 4 + 2 to (i * 2 + 1) * 2.
1367 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1370 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1371 return if c_parser_asm_string_literal returned NULL.
1373 2009-04-01 Nick Clifton <nickc@redhat.com>
1375 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1377 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1378 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1379 other typedefs to avoid conflicts with libgcc2.c. Define labels
1380 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1382 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1383 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1386 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1388 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1390 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1391 Andrey Galkin <agalkin@hypercom.com>
1394 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1395 Make object_name unique for each process.
1397 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1400 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1401 addressable variables in the parallel that could go out of scope while
1402 running queued tasks.
1404 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1406 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1407 (CASE_VALUES_THRESHOLD): Redefine.
1408 * config/avr/avr.c (avr_override_options): Remove initialization of
1409 avr_case_values_threshold variable.
1410 (avr_case_values_threshold): Remove variable. Add new function.
1411 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1412 * config/avr/avr.opt (mno-tablejump): Remove option.
1413 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1415 2009-04-01 DJ Delorie <dj@redhat.com>
1417 * varasm.c (default_function_rodata_section): Don't assume
1418 anything about where the first '.' in the section name is.
1420 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1422 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1423 rs6000_emit_stack_tie.
1425 2009-03-31 Ian Lance Taylor <iant@google.com>
1427 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1428 gimple_code with GIMPLE_RESX, not RESX.
1430 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1432 * c-common.c (c_get_ident): New.
1433 (c_common_nodes_and_builtins): Call it for type names that may be
1436 2009-04-01 Ben Elliston <bje@au.ibm.com>
1438 * config/rs6000/sysv4.opt (msdata): Improve option description.
1440 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1442 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1443 (divdf3_internal_lat): Remove.
1444 (divxf3_internal_lat): Remove.
1445 (divxf3_internal_thr): Remove.
1446 (divxf): Use divxf3_internal.
1447 * config/ia64/div.md (divsf3_internal_lat): New.
1448 (divdf3_internal_lat): New.
1449 (divxf3_internal): New.
1451 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1454 * Makefile.in (USE_GCC_STDINT): Define.
1455 (stmp-int-hdrs): Install stdint.h if applicable.
1456 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1458 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1459 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1460 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1461 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1462 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1463 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1464 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1465 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1466 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1467 (c_common_nodes_and_builtins): Initialize
1468 underlying_wchar_type_node. Do not initialize
1469 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1470 nodes for new types.
1471 (c_stddef_cpp_builtins): Define macros for new types.
1472 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1474 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1475 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1476 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1477 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1478 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1479 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1480 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1481 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1482 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1483 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1484 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1485 int16_type_node, int32_type_node, int64_type_node,
1486 uint8_type_node, uint16_type_node, c_uint32_type_node,
1487 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1488 int_least32_type_node, int_least64_type_node,
1489 uint_least8_type_node, uint_least16_type_node,
1490 uint_least32_type_node, uint_least64_type_node,
1491 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1492 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1493 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1494 uintptr_type_node): Define.
1495 * c-cppbuiltin.c (builtin_define_constants,
1496 builtin_define_type_minmax): New.
1497 (builtin_define_stdint_macros): Define more macros.
1498 (c_cpp_builtins): Define more limit macros.
1500 (builtin_define_type_max): Define in terms of
1501 builtin_define_type_minmax. Remove is_long parameter. All
1503 * config.gcc (use_gcc_stdint): Define.
1504 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1505 Add newlib-stdint.h for generic targets.
1506 * config/glibc-stdint.h, config/newlib-stdint.h,
1507 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1508 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1509 * config/score/score.h (UINTPTR_TYPE): Define.
1510 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1511 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1512 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1513 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1514 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1515 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1516 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1517 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1518 * config/spu/spu.h (STDINT_LONG32): Define.
1519 * configure.ac (use_gcc_stdint): Substitute.
1520 * configure: Regenerate.
1521 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1522 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1523 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1524 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1525 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1526 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1527 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1528 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1529 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1530 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1531 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1532 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1533 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1534 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1535 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1536 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1537 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1538 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1539 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1540 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1541 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1542 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1543 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1544 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1545 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1546 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1547 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1548 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1549 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1551 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1553 * loop-iv.c (suitable_set_for_replacement): Renamed from
1554 simplify_using_assignment; changed to return bool and to accept new
1555 args DEST and SRC. Return true iff we find a source/destination pair
1556 that can be used to make a replacement, and fill SRC and DEST if so.
1557 Remove arg ALTERED. Don't deal with altered regs here. All callers
1559 (simplify_using_initial_values): Deal with altered regs here and track
1560 more precisely the effect they have on the validity of our expression.
1562 * loop-iv.c (simplify_using_condition): A condition of the form
1563 (EQ REG CONST) can be used to simply make a substitution.
1564 (simplify_using_initial_values): Keep track of conditions we have seen
1565 and keep using them to simplify new expressions, while applying the
1566 same substitutions to them as to the expression.
1568 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1569 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1572 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1573 changed. Use this when trying to improve the upper bound.
1574 Generate the comparison by using simplify_gen_relational.
1576 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1578 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1580 (simplify_using_assignment, simplify_using_initial_values): Call
1581 replace_in_expr to make replacements. Call replace_single_def_regs
1582 once on the initial version of the expression.
1584 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1587 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1589 2009-03-31 Richard Guenther <rguenther@suse.de>
1592 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1593 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1595 2009-03-31 Richard Guenther <rguenther@suse.de>
1597 * tree.h (div_if_zero_remainder): Declare.
1598 * fold-const.c (div_if_zero_remainder): Export.
1599 * tree-ssa-forwprop.c
1600 (forward_propagate_addr_into_variable_array_index): Handle
1601 constant array index addition outside of the variable index.
1603 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1606 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1607 define_splits, floatunssi<mode>2): Require x87 conversions from
1608 DImode to be permitted.
1610 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1612 PR preprocessor/15638
1613 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1615 2009-03-31 Richard Guenther <rguenther@suse.de>
1619 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1620 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1621 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1622 a separate statement.
1623 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1624 (lookup_tmp_var): Likewise.
1625 (is_gimple_formal_tmp_or_call_rhs): Remove.
1626 (is_gimple_reg_or_call_rhs): Rename to ...
1627 (is_gimple_reg_rhs_or_call): ... this.
1628 (is_gimple_mem_or_call_rhs): Rename to ...
1629 (is_gimple_mem_rhs_or_call): ... this.
1630 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1631 DECL_GIMPLE_REG_P only if is_formal is true.
1632 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1633 for non-proper post-modify expression gimplification.
1634 (gimplify_self_mod_expr): For post-modify expressions gimplify
1635 the lvalue to a minimal lvalue.
1636 (rhs_predicate_for): Remove formal temp case.
1637 (gimplify_modify_expr_rhs): Likewise.
1638 (gimplify_addr_expr): Use is_gimple_reg.
1639 (gimplify_expr): Remove formal temp cases.
1640 (gimple_regimplify_operands): Likewise.
1641 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1642 and FILTER_EXPR like constants.
1643 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1645 (is_gimple_formal_tmp_rhs): Remove.
1646 (is_gimple_reg_rhs): Remove special casing.
1647 (is_gimple_mem_rhs): Fix.
1648 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1649 (is_gimple_formal_tmp_var): Remove.
1650 (is_gimple_formal_tmp_reg): Likewise.
1651 (is_gimple_min_lval): Allow invariant component ref parts.
1652 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1653 is_gimple_formal_tmp_reg): Remove declarations.
1654 * tree-cfg.c (verify_expr): Verify that variables with address
1655 taken do not have DECL_GIMPLE_REG_P set.
1656 * tree-mudflap.c (mf_build_check_statement_for): Use
1657 force_gimple_operand instead of gimplify_expr.
1659 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1661 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1662 schedulable rows to compute_split_row.
1664 2009-03-31 Ben Elliston <bje@au.ibm.com>
1667 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1670 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1672 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1673 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1674 * configure: Regenerate.
1675 * config.in: Regenerate.
1676 * config/rs6000/rs6000.opt (mtls-markers): Add.
1677 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1678 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1679 (tls_ld_aix, tls_ld_sysv): Likewise.
1680 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1681 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1683 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1685 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1687 2009-03-30 Jan Hubicka <jh@suse.cz>
1689 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1691 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1692 detection and label handling.
1694 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1696 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1697 left_conflicts_size.
1698 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1699 ALLOCNO_LEFT_CONFLICTS_SIZE.
1701 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1702 remove_allocno_from_bucket_and_push,
1703 allocno_spill_priority_compare, push_allocnos_to_stack,
1704 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1705 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1706 (setup_allocno_left_conflicts_num): Ditto. Rename to
1707 setup_allocno_left_conflicts_size.
1708 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1709 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1710 setup_allocno_left_conflicts_size instead of
1711 setup_allocno_left_conflicts_num.
1713 * ira-build.c (ira_create_allocno): Use
1714 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1715 ALLOCNO_LEFT_CONFLICTS_NUM.
1717 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1719 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1720 instead of DF_LR_OUT.
1722 * ira-lives.c (process_bb_node_lives): Ditto.
1724 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1725 instead of DF_LR_{OUT,IN}.
1727 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1729 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1731 2009-03-30 Jan Hubicka <jh@suse.cz>
1733 * except.c (label_to_region_map): Fix thinko.
1735 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1738 * tree.h (tree_find_value): New declaration.
1739 * tree.c (tree_find_value): New function.
1740 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1742 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1745 * c-decl.c (struct c_binding): Add locus field.
1746 (bind): Add locus argument, set locus field from it.
1747 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1748 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1749 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1750 implicitly_declare, undeclared_variable, lookup_label,
1751 declare_label, c_make_fname_decl, c_builtin_function,
1752 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1755 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1758 * config/i386/i386.c (classify_argument): Check total size of
1761 2009-03-30 Martin Jambor <mjambor@suse.cz>
1763 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1764 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1765 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1768 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1769 seen_variable_array_ref while also traversing a union.
1771 * tree-inline.c (optimize_inline_calls): Do not call
1772 cgraph_node_remove_callees.
1773 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1774 (pass_remove_cgraph_callee_edges): New variable.
1775 * passes.c (init_optimization_passes): Add
1776 pass_remove_cgraph_callee_edges after early inlining and before all
1777 late intraprocedural passes.
1779 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1781 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1783 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1786 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1788 * combine.c (simplify_comparison): Use have_insn_for.
1789 * dojump.c (do_jump): Likewise.
1791 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1793 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1794 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1795 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1796 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1797 instead of sparc_compare_emitted.
1798 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1799 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1800 instead of sparc_compare_emitted.
1802 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1804 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1805 enter/exit cfglayout mode.
1806 (pass_partition_block): Require it.
1807 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1808 (combine_instructions): Track basic blocks instead of labels.
1809 (update_cfg_for_uncondjump): New.
1810 (try_combine): Use it. Update jumps after rescanning.
1811 (pass_combine): Require PROP_cfglayout.
1812 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1814 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1816 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1817 Provide/destroy PROP_cfglayout respectively.
1818 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1819 * tree-pass.h (PROP_cfglayout): New.
1821 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1823 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1824 fold_convert_const_fixed_from_fixed,
1825 fold_convert_const_fixed_from_int,
1826 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1827 set TREE_CONSTANT_OVERFLOW.
1828 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1829 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1831 2009-03-30 Ira Rosen <irar@il.ibm.com>
1833 * tree-vect-loop-manip.c: New file.
1834 * tree-vectorizer.c: Update documentation and included files.
1835 (vect_loop_location): Make extern.
1836 (rename_use_op): Move to tree-vect-loop-manip.c
1837 (rename_variables_in_bb, rename_variables_in_loop,
1838 slpeel_update_phis_for_duplicate_loop,
1839 slpeel_update_phi_nodes_for_guard1,
1840 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1841 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1842 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1843 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1844 find_loop_location): Likewise.
1845 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1846 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1847 get_vectype_for_scalar_type, vect_is_simple_use,
1848 supportable_widening_operation, supportable_narrowing_operation):
1850 (bb_in_loop_p): Move to tree-vect-loop.c.
1851 (new_loop_vec_info, destroy_loop_vec_info,
1852 reduction_code_for_scalar_code, report_vect_op,
1853 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1854 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1855 (vect_supportable_dr_alignment): Likewise.
1856 * tree-vectorizer.h (tree-data-ref.h): Include.
1857 (vect_loop_location): Declare.
1858 Reorganize function declarations according to the new file structure.
1859 * tree-vect-loop.c: New file.
1860 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1861 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1862 * tree-vect-data-refs.c: New file.
1863 * tree-vect-patterns.c (timevar.h): Don't include.
1864 * tree-vect-stmts.c: New file.
1865 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1866 tree-vect-slp.c, tree-vect-loop.c.
1867 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1868 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1869 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1870 (tree-vect-analyze.o): Remove.
1871 (tree-vect-transform.o): Likewise.
1872 (tree-vect-data-refs.o): Add rule.
1873 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1874 tree-vect-slp.o): Likewise.
1875 (tree-vect-patterns.o): Remove redundant dependencies.
1876 (tree-vectorizer.o): Likewise.
1877 * tree-vect-slp.c: New file.
1879 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1881 * optc-gen.awk: Warn if an option flag has multiple different
1884 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1886 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1887 -floop-block): Document dependences on PPL, CLooG and Graphite.
1889 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1891 PR rtl-optimization/323
1892 * c-common.c (c_fully_fold, convert_and_check,
1893 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1894 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1895 * c-common.def (EXCESS_PRECISION_EXPR): New.
1896 * c-cppbuiltin.c (builtin_define_float_constants): Define
1897 constants with enough digits for long double.
1898 * c-lex.c (interpret_float): Interpret constant with excess
1899 precision where appropriate.
1900 * c-opts.c (c_common_post_options): Set
1901 flag_excess_precision_cmdline. Give an error for
1902 -fexcess-precision=standard for C++ for processors where the
1903 option is significant.
1904 * c-parser.c (c_parser_conditional_expression): Handle excess
1905 precision in condition.
1906 * c-typeck.c (convert_arguments): Handle arguments with excess
1908 (build_unary_op): Move excess precision outside operation.
1909 (build_conditional_expr): Likewise.
1910 (build_compound_expr): Likewise.
1911 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1912 (build_modify_expr): Handle excess precision in RHS.
1913 (convert_for_assignment): Handle excess precision in converted
1915 (digest_init, output_init_element, process_init_element): Handle
1916 excess precision in initializer.
1917 (c_finish_return): Handle excess precision in return value.
1918 (build_binary_op): Handle excess precision in operands and add
1919 excess precision as needed for operation.
1920 * common.opt (-fexcess-precision=): New option.
1921 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1922 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1923 For standard excess precision, output explicit conversion to and
1924 truncation from XFmode.
1925 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1926 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1927 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1928 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1929 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1930 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1931 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1932 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1933 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1934 define_splits, sqrt<mode>2): Disable where appropriate for
1935 standard excess precision.
1936 * convert.c (convert_to_real): Do not shorten arithmetic to type
1937 for which excess precision would be used.
1938 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1939 * doc/invoke.texi (-fexcess-precision=): Document option.
1940 (-mfpmath=): Correct index entry.
1941 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1942 flag_excess_precision): New.
1943 * langhooks.c (lhd_post_options): Set
1944 flag_excess_precision_cmdline.
1945 * opts.c (common_handle_option): Handle -fexcess-precision=.
1946 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1947 init_excess_precision): New.
1948 (lang_dependent_init_target): Call init_excess_precision.
1949 * tree.c (excess_precision_type): New.
1950 * tree.h (excess_precision_type): Declare.
1952 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1955 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1956 non-lvalue to component.
1958 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1960 PR preprocessor/34695
1961 * Makefile.in (c-opts.o): Depend on c-tree.h.
1962 * c-common.c: Move down include of diagnostic.h.
1963 (done_lexing, c_cpp_error): New.
1964 * c-common.h (done_lexing): Declare.
1965 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1967 * c-opts.c: Include c-tree.h.
1968 (c_common_init_options): Set preprocessor error callback.
1969 (c_common_handle_option): Do not set preprocessor
1970 inhibit_warnings, warnings_are_errors, warn_system_headers,
1971 pedantic_errors or inhibit_warnings flags.
1972 (c_common_post_options): Do not check cpp_errors (parse_in).
1973 (c_common_finish): Do not output dependencies if there were
1974 errors. Do not check return value of cpp_finish.
1975 * c-ppoutput.c (pp_file_change): Set input_location.
1976 * c-tree.h (c_cpp_error): Declare.
1977 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1979 (diagnostic_build_prefix): Check override_column.
1980 * diagnostic.h (diagnostic_info): Add override_column field.
1981 (diagnostic_override_column): Define.
1983 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1985 * c-common.c (c_expand_expr, c_staticp): Remove.
1986 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1987 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1988 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1989 * c-gimplify.c (gimplify_compound_literal_expr,
1990 optimize_compound_literals_in_ctor): Remove.
1991 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1992 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1993 * c-semantics.c (emit_local_var): Remove.
1995 * langhooks-def.h (lhd_expand_expr): Remove.
1996 * langhooks.c (lhd_expand_expr): Remove.
1997 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1999 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2000 handling from c-semantics.c; don't call into langhook.
2001 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2002 * gimplify.c (gimplify_compound_literal_expr,
2003 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2004 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2005 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2006 as was done in c-gimplify.c.
2007 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2008 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2009 Move from c-common.h.
2010 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2012 * tree.c (staticp): Do not call langhook.
2013 * langhooks.c (lhd_staticp): Delete.
2014 * langhooks-def.h (lhd_staticp): Delete prototype.
2015 (LANG_HOOKS_STATICP): Delete.
2016 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2018 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2019 instead of DECL_STMTs.
2021 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2029 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2031 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2032 contained expression.
2033 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2034 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2035 conditional expressions for C.
2036 (decl_constant_value_for_optimization): Move from
2037 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2038 whether optimizing and that the expression is a VAR_DECL not of
2039 array type instead of doing such checks in the caller. Do not
2040 check pedantic. Call gcc_unreachable for C++.
2041 * c-common.def (C_MAYBE_CONST_EXPR): New.
2042 * c-common.h (c_fully_fold, c_save_expr,
2043 decl_constant_value_for_optimization): New prototypes.
2044 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2045 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2046 EXPR_INT_CONST_OPERANDS): Define.
2047 * c-convert.c (convert): Strip nops from expression.
2048 * c-decl.c (groktypename): Take extra parameters expr and
2049 expr_const_operands. Update call to grokdeclarator.
2050 (start_decl): Update call to grokdeclarator. Add statement for
2051 expressions used in type of decl.
2052 (grokparm): Update call to grokdeclarator.
2053 (push_parm_decl): Update call to grokdeclarator.
2054 (build_compound_literal): Add parameter non_const and build a
2055 C_MAYBE_COSNT_EXPR if applicable.
2056 (grokdeclarator): Take extra parameters expr and
2057 expr_const_operands. Track expressions used in declaration
2058 specifiers and declarators. Fold array sizes and track whether
2059 they are constant expressions and whether they are integer
2060 constant expressions.
2061 (parser_xref_tag): Set expr and expr_const_operands fields in
2063 (grokfield): Update call to grokdeclarator.
2064 (start_function): Update call to grokdeclarator.
2065 (build_null_declspecs): Set expr and expr_const_operands fields in
2067 (declspecs_add_type): Handle expressions in typeof specifiers.
2068 * c-parser.c (c_parser_declspecs): Set expr and
2069 expr_const_operands fields for declaration specifiers.
2070 (c_parser_enum_specifier): Likewise.
2071 (c_parser_struct_or_union_specifier): Likewise.
2072 (c_parser_typeof_specifier): Likewise. Update call to
2073 groktypename. Fold expression as needed. Return expressions with
2074 type instead of adding statements.
2075 (c_parser_attributes): Update calls to c_parser_expr_list.
2076 (c_parser_statement_after_labels): Fold expression before passing
2077 to objc_build_throw_stmt.
2078 (c_parser_condition): Fold expression.
2079 (c_parser_asm_operands): Fold expression.
2080 (c_parser_conditional_expression): Use c_save_expr. Update call
2081 to build_conditional_expr.
2082 (c_parser_alignof_expression): Update call to groktypename.
2083 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2084 original_code. Fold expression argument of va_arg. Create
2085 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2086 argument to va_arg. Update calls to groktypename. Fold array
2087 index for offsetof. Verify that first argument to
2088 __builtin_choose_expr has integer type.
2089 (c_parser_postfix_expression_after_paren_type): Update calls to
2090 groktypename and build_compound_literal. Handle expressions with
2091 side effects in type name.
2092 (c_parser_postfix_expression_after_primary): Update call to
2093 c_parser_expr_list. Set original_code for calls to
2094 __builtin_constant_p.
2095 (c_parser_expr_list): Take extra parameter fold_p. Fold
2096 expressions if requested.
2097 (c_parser_objc_type_name): Update call to groktypename.
2098 (c_parser_objc_synchronized_statement): Fold expression.
2099 (c_parser_objc_receiver): Fold expression.
2100 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2101 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2102 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2103 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2104 (struct c_typespec): Add elements expr and expr_const_operands.
2105 (struct c_declspecs): Add elements expr and expr_const_operands.
2106 (groktypename, build_conditional_expr, build_compound_literal):
2108 (in_late_binary_op): Declare.
2109 * c-typeck.c (note_integer_operands): New function.
2110 (in_late_binary_op): New variable.
2111 (decl_constant_value_for_broken_optimization): Move to c-common.c
2112 and rename to decl_constant_value_for_optimization.
2113 (default_function_array_conversion): Do not strip nops.
2114 (default_conversion): Do not call
2115 decl_constant_value_for_broken_optimization.
2116 (build_array_ref): Do not fold result.
2117 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2118 result when operand is a VLA.
2119 (c_expr_sizeof_type): Update call to groktypename. Handle
2120 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2121 result when operand names a VLA type.
2122 (build_function_call): Update call to build_compound_literal.
2123 Only fold result for calls to __builtin_* functions. Strip
2124 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2125 the function designator.
2126 (convert_arguments): Fold arguments. Update call to
2127 convert_for_assignment.
2128 (build_unary_op): Handle increment and decrement of
2129 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2130 decrement earlier. Fold operand of increment and decrement.
2131 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2132 built for integer operand. Wrap returns that are INTEGER_CSTs
2133 without being integer constant expressions or that have integer
2134 constant operands without being INTEGER_CSTs.
2135 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2136 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2137 result is an integer constant expression or can be used in
2138 unevaluated parts of one and avoid folding and wrap as
2139 appropriate. Fold operands before possibly doing -Wsign-compare
2141 (build_compound_expr): Wrap result for C99 if operands can be used
2142 in integer constant expressions.
2143 (build_c_cast): Update call to digest_init. Do not ignore
2144 overflow from casting floating-point constants to integers. Wrap
2145 results that could be confused with integer constant expressions,
2146 null pointer constants or floating-point constants.
2147 (c_cast_expr): Update call to groktypename. Handle expressions
2148 included in type name.
2149 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2150 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2151 Update calls to convert_for_assignment.
2152 (convert_for_assignment): Take new parameter
2153 null_pointer_constant. Do not strip nops or call
2154 decl_constant_value_for_broken_optimization. Set
2155 in_late_binary_op for conversions to boolean.
2156 (store_init_value): Update call to digest_init.
2157 (digest_init): Take new parameter null_pointer_constant. Do not
2158 call decl_constant_value_for_broken_optimization. pedwarn for
2159 initializers not constant expressions. Update calls to
2160 convert_for_assignment.
2161 (constructor_nonconst): New.
2162 (struct constructor_stack): Add nonconst element.
2163 (really_start_incremental_init, push_init_level, pop_init_level):
2164 Handle constructor_nonconst and nonconst element.
2165 (set_init_index): Call constant_expression_warning for array
2167 (output_init_element): Fold value. Set constructor_nonconst as
2168 applicable. pedwarn for initializers not constant expressions.
2169 Update call to digest_init. Call constant_expression_warning
2170 where constant initializers are required.
2171 (process_init_element): Use c_save_expr.
2172 (c_finish_goto_ptr): Fold expression.
2173 (c_finish_return): Fold return value. Update call to
2174 convert_for_assignment.
2175 (c_start_case): Fold switch expression.
2176 (c_process_expr_stmt): Fold expression.
2177 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2178 ensure statement expression is not evaluated in constant expression.
2179 (build_binary_op): Track whether results are integer constant
2180 expressions or may occur in such, disable folding and wrap results
2181 as applicable. Fold operands for -Wsign-compare warnings unless
2183 (c_objc_common_truthvalue_conversion): Handle results folded to
2184 integer constants that are not integer constant expressions.
2185 * doc/extend.texi: Document when typeof operands are evaluated,
2186 that condition of __builtin_choose_expr is an integer constant
2187 expression, and more about use of __builtin_constant_p in
2190 2009-03-29 Richard Guenther <rguenther@suse.de>
2192 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2193 propagate addresses of array references.
2195 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2197 * regmove.c (perhaps_ends_bb_p): Remove.
2198 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2199 from INSN and check that the main loop stays within that basic block.
2200 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2201 (regmove_forward_pass): Split out from regmove_optimize. Use
2202 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2203 (regmove_backward_pass): Split out from regmove_optimize. Use
2204 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2205 (regmove_optimize): Simplify.
2207 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2210 * config/i386/i386.c (classify_argument): Ignore flexible array
2211 member in struct and warn ABI change.
2213 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2215 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2217 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2218 (ix86_adjust_cost): Updated.
2220 2009-03-29 Jan Hubicka <jh@suse.cz>
2223 * tree-pass.h (pass_cleanup_eh): New function.
2224 (remove_unreachable_regions): Break code handling RTL
2225 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2226 that can not be reached by runtime.
2227 (can_be_reached_by_runtime): New function.
2228 (label_to_region_map): New function.
2229 (num_eh_regions): New function.
2230 (rtl_remove_unreachable_regions): New function.
2231 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2232 (remove_eh_region): New function.
2233 * except.h: Include sbitmap and vecprim.
2234 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2235 num_eh_regions): Declare.
2236 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2237 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2238 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2239 (tree_empty_eh_handler_p): New function.
2240 (cleanup_empty_eh): New function.
2241 (cleanup_eh): New function.
2242 (pass_cleanup_eh): New function.
2244 2009-03-29 Jan Hubicka <jh@suse.cz>
2246 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2247 for removed regions.
2249 2009-03-29 Jan Hubicka <jh@suse.cz>
2251 * except.c (dump_eh_tree): Dump all datastructures.
2253 2009-03-29 Jan Hubicka <jh@suse.cz>
2255 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2256 (duplicate_eh_regions_1): Likewise.
2257 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2258 vector; call EH verification.
2259 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2260 Be ready for region being removed.
2262 2009-03-29 Jan Hubicka <jh@suse.cz>
2264 * bitmap.c (bitmap_last_set_bit): New function.
2265 * bitmap.h (bitmap_last_set_bit): Declare.
2267 2009-03-29 David Ayers <ayers@fsfe.org>
2270 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2271 by calling objc_compare_types and surpress warnings about
2272 incompatible C pointers that are compatible ObjC pointers.
2274 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2276 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2277 call initialize_inline_failed.
2278 (initialize_inline_failed): Move it from here ...
2279 * cgraph.c (initialize_inline_failed): ... to here.
2280 (cgraph_create_edge): Call initialize_inline_failed rather than
2281 setting inline_failed directly.
2283 2009-03-29 Ben Elliston <bje@au.ibm.com>
2286 * sysv4.opt (msdata): Improve comment.
2287 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2288 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2290 2009-03-29 Ben Elliston <bje@au.ibm.com>
2293 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2294 load and store attributes.
2296 2009-03-29 Ben Elliston <bje@au.ibm.com>
2298 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2299 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2300 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2301 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2302 __builtin_infq and __builtin_huge_valq.
2304 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2306 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2308 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2309 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2311 2009-03-28 Xinliang David Li <davidxl@google.com>
2313 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2314 (do_dbg_cnt): New function.
2316 2009-03-28 Jan Hubicka <jh@suse.cz>
2318 Merge from pretty-ipa:
2320 2009-03-27 Jan Hubicka <jh@suse.cz>
2322 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2323 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2324 * passes.c (function_called_by_processed_nodes_p): New.
2325 * ipa-pure-const.c (check_call): Fix handling of operands.
2326 (analyze_function): Dump debug output for skipped bodies.
2327 (local_pure_const): Use function_called_by_processed_nodes_p.
2328 * dwarf2out.c (reference_to_unused): Use output.
2329 * passes.c (do_per_function_toporder): Likewise.
2331 2008-11-12 Jan Hubicka <jh@suse.cz>
2333 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2334 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2335 state_set_in_source enum
2336 (check_decl): Ignore memory tags; do not set fake looping flags;
2338 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2339 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2340 (check_call, analyze_function): Rewrite.
2342 (add_new_function): Update call of analyze_function.
2343 (generate_summary): Add call of analyze_function.
2344 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2345 (local_pure_const): New function.
2346 (pass_local_pure_const): New pass.
2347 * ipa-inline.c (inline_transform): Set after_inlining.
2348 * tree-eh.c (stmt_can_throw_external): New.
2349 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2350 work with aliasing built.
2351 * tree-flow.h (stmt_can_throw_external): New.
2352 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2353 and local pure/const pass in early and late optimization queue.
2355 2009-03-28 Martin Jambor <mjambor@suse.cz>
2357 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2359 (fold_binary): Allow function decl aligment consideration is the
2360 second argument is integer constant one.
2361 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2362 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2363 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2365 2009-03-28 Jan Hubicka <jh@suse.cz>
2367 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2368 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2369 * function.h (rtl_data): Add nothrow flag.
2370 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2371 set DECL_NOTHROW for AVAILABLE functions.
2373 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2375 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2376 following vector keyword has expansion starting with pixel or bool
2377 keyword, expand vector to __vector and pixel or bool to __pixel or
2381 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2382 warn_if_disallowed_function_p): Removed.
2383 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2384 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2385 warning_if_disallowed_function_p.
2386 * flags.h (warn_if_disallowed_function_p,
2387 warn_disallowed_functions): Removed.
2388 * common.opt (Wdisallowed-function-list=): Removed.
2389 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2391 2009-03-28 Richard Guenther <rguenther@suse.de>
2393 PR tree-optimization/38723
2394 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2397 2009-03-28 Jan Hubicka <jh@suse.cz>
2399 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2400 test introduced by my previous patch.
2402 2009-03-28 Richard Guenther <rguenther@suse.de>
2404 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2405 the PHIs value undefined.
2407 2009-03-28 Jan Hubicka <jh@suse.cz>
2409 * tree-pass.h (pass_fixup_cfg): New pass.
2410 * ipa-inline.c (inline_transform): Set
2411 always_inline_functions_inlined/after_inlining.
2412 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2413 (pass_fixup_cfg): New pass.
2414 * passes.c (init_optimization_passes): Add fixup_cfg.
2416 2009-03-28 Richard Guenther <rguenther@suse.de>
2418 PR tree-optimization/38458
2419 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2420 argument use the arguments copy-of value.
2422 2009-03-28 Richard Guenther <rguenther@suse.de>
2424 PR tree-optimization/38180
2425 * tree-ssa-ccp.c (get_default_value): Simplify.
2426 (likely_value): Likewise.
2427 (surely_varying_stmt_p): Properly handle VOP case.
2428 (ccp_initialize): Likewise.
2429 (ccp_fold): Handle propagating through *&.
2430 (fold_const_aggregate_ref): Also handle decls.
2432 2009-03-28 Jan Hubicka <jh@suse.cz>
2434 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2435 * cgraph.h (cgraph_node): Likewise.
2436 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2437 (cgraph_reset_node): Use process flag.
2438 (cgraph_mark_functions_to_output): Likewise.
2439 (cgraph_expand_function): Likewise.
2440 (cgraph_expand_all_functions): Likewise.
2441 (cgraph_output_in_order): Likewise.
2442 * dwarf2out.c (reference_to_unused): Likewise.
2443 * passes.c do_per_function_toporder): Likewise.
2445 2009-03-28 Jan Hubicka <jh@suse.cz>
2447 Bring from lto-branch:
2449 2008-09-03 Doug Kwan <dougkwan@google.com>
2451 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2452 enums instead of reason strings.
2453 * cgraph.c (cgraph_create_edge): Same.
2454 (cgraph_inline_failed_string): New function.
2455 * cgraph.h (cgraph_inline_failed_t): New enum type.
2456 (cgraph_inline_failed_string): New prototype.
2457 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2458 char pointer to cgraph_inline_failed_t.
2459 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2460 (cgraph_default_inline_p): Ditto.
2461 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2462 to cgraph_inline_failed_t pointer.
2463 * cif-code.def: New file.
2464 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2466 (cgraph_check_inline_limits): Change type of REASON to pointer to
2467 cgraph_inline_failed_t. Replace reason strings with enums.
2468 (cgraph_default_inline_p): Ditto.
2469 (cgraph_recursive_inlining_p): Ditto.
2470 (update_caller_keys): Change type of FAILED_REASON to
2471 cgraph_inline_failed_t.
2472 (cgraph_set_inline_failed): Change type of REASON to pointer to
2473 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2474 convert enums to strings for text output.
2475 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2476 to be of type cgraph_inline_failed_t. Replace reason strings with
2477 enums. Call cgraph_inline_failed_string to covert enums
2478 to strings for text output.
2479 (cgraph_decide_inlining): Replace reason strings with enums.
2480 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2481 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2483 * tree-inline.c (expand_call_inline): Change type of REASON
2484 to cgraph_inline_failed_t. Replace reason strings with enums.
2485 Call cgraph_inline_failed_string for text output.
2486 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2489 2009-03-28 Jan Hubicka <jh@suse.cz>
2491 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2492 cgraph_clone_node): Remove master clone handling.
2493 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2494 * cgraph.h (master_clone): Remove.
2495 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2496 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2497 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2499 2009-03-28 Jan Hubicka <jh@suse.cz>
2501 * cgraph.c (cgraph_function_body_availability): Functions declared
2502 inline are always safe to assume that it is not going to be replaced.
2504 2009-03-28 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/38513
2507 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2508 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2509 EXC_PTR_EXPR and FILTER_EXPR.
2510 (get_ref_from_reference_ops): Likewise.
2512 2009-03-28 Richard Guenther <rguenther@suse.de>
2514 PR tree-optimization/38968
2515 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2516 Use FLOOR_MOD_EXPR to compute misalignment.
2518 2009-03-28 Richard Guenther <rguenther@suse.de>
2520 PR tree-optimization/37795
2521 * tree.h (combine_comparisons): Declare.
2522 * fold-const.c (combine_comparisons): Export.
2523 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2525 (ifcombine_iforif): Use combine_comparisons.
2527 2009-03-28 Jan Hubicka <jh@suse.cz>
2529 * tree-eh.c (inlinable_call_p): New function.
2530 (make_eh_edges): Use it.
2531 (verify_eh_edges): Use it.
2532 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2533 * except.c (reachable_next_level): Add inlinable_function argument
2534 (sjlj_find_directly_reachable_regions): Update.
2535 (add_reachable_handler): Do not set saw_any_handlers.
2536 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2537 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2538 Add new inlinable call parameter.
2539 (can_throw_internal, can_throw_external): Update.
2540 * except.h (can_throw_internal_1, can_throw_external_1,
2541 foreach_reachable_handler): Update declaration.
2543 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2545 * config/arm/t-arm-coff, config/h8300/coff.h,
2546 config/i386/i386-aout.h, config/i386/i386-coff.h,
2547 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2548 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2549 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2550 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2551 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2552 sys-types.h: Remove.
2553 * Makefile.in: Remove protoize and fixproto support and references
2555 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2556 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2558 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2559 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2560 unprotoize$(exeext).
2561 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2562 (.PHONY): Don't depend on proto.
2563 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2564 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2565 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2566 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2567 build/gen-protos.o, build/scan.o, xsys-protos.h,
2568 build/fix-header$(build_exeext), build/fix-header.o,
2569 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2570 stmp-install-fixproto): Remove.
2571 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2572 SYSCALLS.c or fixproto files.
2573 (install-common): Don't install protoize.
2574 (install-headers-tar, install-headers-cpio, install-headers-cp):
2575 Don't depend on $(STMP_FIXPROTO).
2576 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2577 install fixproto files or write out fixproto settings.
2578 (uninstall): Don't uninstall protoize.
2579 * config.gcc (use_fixproto): Remove.
2580 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2581 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2582 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2583 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2584 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2585 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2586 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2587 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2588 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2589 * config/t-vxworks (STMP_FIXPROTO): Remove.
2590 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2591 STMP_FIXPROTO): Remove.
2592 * config.in, configure: Regenerate.
2593 * crtstuff.c (gid_t, uid_t): Don't undefine.
2594 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2595 (arm-*-coff, arm-*-aout: Remove target entries.
2596 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2597 Remove mention of AIX 4.1.
2598 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2599 * doc/invoke.texi (Running Protoize): Remove.
2600 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2601 (Protoize Caveats): Remove.
2602 * tsystem.h: Update comments on headers assumed to exist.
2604 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2606 * genautomata.c: Add a new year to the copyright. Add a new
2608 (struct insn_reserv_decl): Add comments for member bypass_list.
2609 (find_bypass): Remove.
2610 (insert_bypass): New.
2611 (process_decls): Use insert_bypass.
2612 (output_internal_insn_latency_func): Output all bypasses with the
2613 same input insn in one switch case.
2615 * rtl.def (define_bypass): Describe bypass choice.
2616 * doc/md.texi (define_bypass): Ditto.
2618 2009-03-27 Richard Guenther <rguenther@suse.de>
2620 * gimplify.c (mark_addressable): Export.
2621 * tree-flow.h (mark_addressable): Declare.
2622 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2623 * tree-ssa.c (verify_phi_args): Verify that address taken
2624 variables have TREE_ADDRESSABLE set.
2626 2009-03-27 Richard Guenther <rguenther@suse.de>
2628 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2629 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2630 Do not mark decls TREE_ADDRESSABLE.
2631 (build_fold_addr_expr): Adjust.
2632 (fold_addr_expr): Remove.
2633 (fold_unary): Use build_fold_addr_expr.
2634 (fold_comparison): Likewise.
2635 (split_address_to_core_and_offset): Likewise.
2636 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2638 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2639 (gimplify_modify_expr_to_memcpy): Mark source and destination
2641 * omp-low.c (create_omp_child_function): Mark the object decl
2643 (lower_rec_input_clauses): Mark the var we take the address of
2645 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2647 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2650 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2651 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2653 2009-03-27 Richard Guenther <rguenther@suse.de>
2655 PR tree-optimization/39120
2656 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2658 (handle_lhs_call): Process return constraints. Add escape
2659 constraints if necessary.
2660 (handle_const_call): Fill out return constraints. Make nested
2661 case more precise. Avoid consttmp if possible.
2662 (handle_pure_call): Fill out return constraints. Avoid
2663 callused if possible.
2664 (find_func_aliases): Simplify call handling.
2666 2009-03-27 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/39120
2669 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2670 as a representative.
2671 (solve_graph): Do propagate CALLUSED.
2672 (handle_pure_call): Use a scalar constraint from CALLUSED for
2674 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2677 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2680 * c-common.c (handle_aligned_attribute): Properly check alignment
2681 overflow. Use (1U << i) instead of (1 << i).
2683 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2685 * expr.h (get_mem_align_offset): Updated.
2687 * tree.h (tree_decl_common): Change align to "unsigned int" and
2688 move it before pointer_alias_set.
2690 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2691 Jakub Jelinek <jakub@redhat.com>
2694 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2695 gr_register_operand with gr_reg_or_0_operand.
2696 (cmpxchg_rel_di): Likewise.
2697 (sync_lock_test_and_set<mode>): Likewise.
2699 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2701 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2702 (true_regnum): Likewise.
2704 * rtlanal.c (subreg_info): Moved to ...
2705 * rtl.h (subreg_info): Here. New.
2706 (subreg_get_info): New.
2708 * rtlanal.c (subreg_get_info): Make it extern.
2710 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2713 * config/i386/i386.c (ix86_abi): New.
2714 (override_options): Handle -mabi=.
2715 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2716 (ix86_call_abi_override): Likewise.
2717 (init_cumulative_args): Likewise.
2718 (function_arg_advance): Likewise.
2719 (function_arg_64): Likewise.
2720 (function_arg): Likewise.
2721 (ix86_pass_by_reference): Likewise.
2722 (ix86_function_value_regno_p): Likewise.
2723 (ix86_build_builtin_va_list_abi): Likewise.
2724 (setup_incoming_varargs_64): Likewise.
2725 (is_va_list_char_pointer): Likewise.
2726 (ix86_init_machine_status): Likewise.
2727 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2728 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2729 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2730 (ix86_function_abi): Make it static and return enum calling_abi.
2731 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2733 (ix86_fn_abi_va_list): Updated.
2735 * config/i386/i386.h (ix86_abi): New.
2736 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2737 (CONDITIONAL_REGISTER_USAGE): Likewise.
2738 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2739 (machine_function): Likewise.
2741 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2743 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2744 (STACK_BOUNDARY): Likewise.
2745 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2747 * config/i386/i386.opt (mabi=): New.
2749 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2750 return enum calling_abi.
2751 (ix86_function_type_abi): Likewise.
2752 (ix86_function_abi): Removed.
2754 * doc/invoke.texi: Document -mabi= option for x86.
2756 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2758 * builtins.c (real_dconstp): Delete.
2759 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2761 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2762 Jakub Jelinek <jakub@redhat.com>
2765 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2766 (gen_subprogram_die): When a function is explicit, generate the
2767 DW_AT_explicit attribute.
2768 * langhooks.h (struct lang_hooks_for_decls): Add
2769 function_decl_explicit_p langhook.
2770 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2771 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2773 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2775 * builtins.c (fold_builtin_memory_op): Optimize memmove
2776 into memcpy if we can prove source and destination don't overlap.
2778 * tree-inline.c: Include gt-tree-inline.h.
2779 (clone_fn_id_num): New variable.
2780 (clone_function_name): New function.
2781 (tree_function_versioning): Use it.
2782 * Makefile.in (GTFILES): Add tree-inline.c.
2784 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2786 * BASE-VER: Change to 4.5.0.
2788 2009-03-27 Xinliang David Li <davidxl@google.com>
2790 PR tree-optimization/39557
2791 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2793 2009-03-27 Xinliang David Li <davidxl@google.com>
2795 PR tree-optimization/39548
2796 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2799 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2801 * c-common.c (pointer_int_sum): Use %wd on return from
2804 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2806 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2807 on return from tree_low_cst.
2809 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2812 * ginclude/stdarg.h (va_copy): Define also for
2813 __GXX_EXPERIMENTAL_CXX0X__.
2815 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2818 * builtins.h (c_strlen): Do not warn here.
2819 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2820 * c-common.c (pointer_int_sum): Take an explicit location.
2821 Warn about offsets out of bounds.
2822 * c-common.h (pointer_int_sum): Adjust declaration.
2824 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2826 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2829 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2832 * opts.c (warn_if_disallowed_function_p): Don't assume
2833 get_callee_fndecl must return non-NULL.
2835 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2837 PR rtl-optimization/39522
2838 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2839 when reg_reloaded_valid is set.
2841 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2843 * config/spu/divv2df3.c: New file.
2844 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2845 (DPBIT_FUNCS): Filter out _div_df.
2847 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2849 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2850 a jump insn, count that jump in the distance to the loop start.
2852 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2855 * config/sh/sh.c (calc_live_regs): Fix condition for global
2856 registers except PIC_OFFSET_TABLE_REGNUM.
2858 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2861 * doc/invoke.texi (-mconsole): New.
2865 (-mnop-fun-dllimport): New.
2869 (sub section "i386 and x86-64 Windows Options"): New.
2871 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2873 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2874 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2876 2009-03-25 Richard Guenther <rguenther@suse.de>
2879 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2882 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2884 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2885 neither of haifa/selective schedulers are working.
2887 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2889 * doc/invoke.texi (Debugging Options): Fix description of
2890 -fno-merge-debug-strings.
2892 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2894 * config/cris/libgcc.ver: New version-script.
2895 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2897 * configure.ac <GAS features, nop mnemonic>: Add pattern
2898 crisv32-*-* for "nop".
2899 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2900 * configure: Regenerate.
2902 2009-03-24 Ira Rosen <irar@il.ibm.com>
2904 PR tree-optimization/39529
2905 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2906 mark_sym_for_renaming for the tag copied to the new vector
2909 2009-03-24 Arthur Loiret <aloiret@debian.org>
2911 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2912 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2913 EXTRA_SPEC_FUNCTIONS.
2914 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2915 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2916 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2917 -march and -mtune options.
2919 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2921 * config/m68k/t-rtems: Add m5329 multilib.
2923 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2924 Jakub Jelinek <jakub@redhat.com>
2927 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2930 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2933 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2934 instead of c_parser_expression_conv, if original_code isn't one of the
2935 4 allowed comparison codes, fail.
2937 2009-03-23 Richard Guenther <rguenther@suse.de>
2939 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2940 * tree.h (struct tree_type): Likewise.
2941 * reload.h (struct insn_chain): Likewise.
2942 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2943 * function.h (struct function): Likewise.
2944 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2946 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2948 PR tree-optimization/39516
2949 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2951 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2953 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2954 should be set true if BITS_PER_WORD of target is bigger than 32
2956 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2958 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2959 Translate -B-options to -rpath-link. Correct existing
2960 rpath-link and conditionalize on !nostdlib.
2962 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2964 * doc/extend.texi (Function Attributes, Variable Attributes):
2966 * doc/invoke.texi (Debugging Options, Optimize Options)
2967 (i386 and x86-64 Options, MCore Options): Likewise.
2969 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2972 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2973 it for block local namespace aliases.
2974 (gen_decl_die): Pass context_die to gen_namespace_die.
2976 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2979 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2980 minimum or maximum value.
2982 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2984 * reginfo.c (globalize_reg): Recompute derived reg sets.
2986 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2989 * libgcc2.c (mprotect): Do not use signed arguments for
2990 VirtualProtect, use DWORD arguments. Also fix the 'may
2991 be used uninitialized' warning for the np variable.
2993 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2996 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2997 functions using regparm calling conventions when not optimizing.
2998 (ix86_function_sseregparm): Similarly for sseregparm calling
3001 2009-03-19 Li Feng <nemokingdom@gmail.com>
3004 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3005 dependence if the first conflict is after niter iterations.
3007 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3010 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3011 functions with dynamic stack-pointer adjustments.
3013 2009-03-19 Ben Elliston <bje@au.ibm.com>
3015 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3016 option; change to -msdata=data.
3018 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3020 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3023 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3026 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3028 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3030 * doc/invoke.texi (Code Gen Options): Expand discussion of
3033 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3035 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3036 * matrix-reorg.c (struct matrix_info): Likewise.
3037 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3038 * rtl.h (struct mem_attrs): Likewise.
3039 * df.h (struct df): Likewise.
3040 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3041 * ira-int.h (struct ira_allocno): Likewise.
3042 * df-scan.c (struct df_collection_rec): Likewise.
3043 * ira.c (struct equivalence): Likewise.
3044 * function.c (struct temp_slot): Likewise.
3045 * cfgloop.h (struct loop): Likewise.
3048 * function.c (use_register_for_decl): When not optimizing, disregard
3049 register keyword for variables with types containing methods.
3051 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3054 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3055 (is_simple_operand): Call contains_component_ref_p before calling data
3056 reference analysis that would fail on COMPONENT_REFs.
3058 * tree-vrp.c (search_for_addr_array): Fix formatting.
3060 2009-03-18 Richard Guenther <rguenther@suse.de>
3062 * tree-vect-transform.c (vect_loop_versioning): Fold the
3063 generated comparisons.
3064 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3065 (slpeel_tree_peel_loop_to_edge): Likewise.
3067 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3070 * opts.c (print_specific_help): In addition to `undocumented',
3071 accept `separate' and `joined' flags if passed alone. Describe
3072 output by the first matched one of those.
3073 (common_handle_option): Skip over empty strings.
3074 * gcc.c (display_help): Fix help string for `--help='.
3075 * doc/invoke.texi (Option Summary, Overall Options): With
3076 `--help=', classes and qualifiers can both be repeated, but
3077 only the latter can be negated. One should not pass only
3078 negated qualifiers. Fix markup and examples.
3081 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3083 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3084 and -fhelp=separate.
3086 2009-03-17 Jing Yu <jingyu@google.com>
3089 * function.h (struct rtl_data): Move is_thunk from here...
3090 (struct function): ...to here.
3091 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3092 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3094 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3096 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3097 (alpha_output_function_end_prologue): Likewise.
3098 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3099 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3100 (rs6000_output_function_epilogue): Likewise.
3101 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3103 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3106 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3107 from different units in a single alternative.
3108 (*truncdfsf_i387): Ditto.
3109 (*truncxfsf2_mixed): Ditto.
3110 (*truncxfdf2_mixed): Ditto.
3112 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3114 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3115 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3118 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3119 unused non-artificial variables when not optimizing.
3122 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3123 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3124 NAMESPACE_DECL in its DECL_INITIAL.
3127 * optabs.c (set_user_assembler_libfunc): New function.
3128 * expr.h (set_user_assembler_libfunc): New prototype.
3129 * c-common.c: Include libfuncs.h.
3130 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3131 for memcmp, memset, memcpy, memmove and abort.
3132 * Makefile.in (c-common.o): Depend on libfuncs.h.
3135 * dwarf2out.c (gen_inlined_enumeration_type_die,
3136 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3137 gen_tagged_type_instantiation_die): Removed.
3138 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3141 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3144 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3146 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3147 (check-parallel-%): Ditto.
3148 (check-consistency): Ditto.
3150 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3152 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3153 local variable rhs by NULL_TREE.
3155 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3158 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3160 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3163 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3165 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3168 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3169 for ms->sysv ABI calls only in 64bit mode.
3171 * config/i386/i386.md (untyped_call): Support 32bit.
3173 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3175 * doc/extend.texi: Replace x86_65 with x86_64.
3177 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3179 PR tree-optimization/39455
3180 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3181 mismatches for POINTER_TYPE_P (type).
3182 (number_of_iterations_le): Likewise.
3184 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3186 * config/picochip/picochip.c: Removed profiling support.
3187 * config/picochip/picochip.md: Removed profiling instruction.
3188 * config/picochip/picochip.h: Removed profiling builtin.
3190 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3192 * doc/install.texi (--with-host-libstdcxx): Document.
3194 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3197 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3198 generate a warning if the function name does not begin with
3199 "__vector" and the function has either the 'signal' or 'interrupt'
3200 attribute, from here to ...
3201 (avr_declare_function_name): ...here. New function.
3202 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3203 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3205 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3208 * cse.c (fold_rtx): Don't modify original const_arg1 when
3209 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3210 separate variable instead.
3211 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3212 from out of range shift counts.
3213 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3215 2008-03-13 Catherine Moore <clm@codesourcery.com>
3217 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3218 diagnostic.h with $(DIAGNOSTIC_H).
3220 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3223 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3225 * config/i386/sync.md (sync_compare_and_swap<mode>,
3226 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3227 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3229 (sync_double_compare_and_swapdi_pic,
3230 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3231 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3233 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3236 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3238 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3241 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3242 (avx_addsubv4df3): Likewise.
3243 (*avx_addsubv4sf3): Likewise.
3244 (sse3_addsubv4sf3): Likewise.
3246 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3249 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3251 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3254 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3255 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3256 registers for allocnos created from user-defined variables.
3258 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3261 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3262 of non-integer mode as well.
3264 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3266 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3267 for functions for which the parameter types are unknown.
3269 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3272 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3273 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3274 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3275 * config/i386/i386.c (ix86_local_alignment): For
3276 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3277 long long variables on the stack to avoid dynamic realignment.
3278 Allow the first argument to be a decl rather than type.
3279 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3281 2009-03-11 Nick Clifton <nickc@redhat.com>
3284 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3286 Add description to mno-lsim option.
3287 * config/mcore/mcore.h: Remove comment about deprecated m4align
3289 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3290 * doc/invoke.texi: Add description of mno-lsim and
3291 mstack-increment options.
3293 * config/fr30/fr30.opt: Document the -mno-lsim option.
3294 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3295 and -mno-lsim options.
3297 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3299 * fold-const.c (fold_comparison): Only call fold_inf_compare
3300 if the mode supports infinities.
3302 2009-03-11 Jason Merrill <jason@redhat.com>
3305 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3306 end already did. Notice GIMPLE_CALL modifications of the result.
3307 Don't copy debug information from an ignored decl or a decl from
3310 2009-03-10 Richard Guenther <rguenther@suse.de>
3311 Nathan Froyd <froydnj@codesourcery.com>
3314 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3315 (__divMODE3): Likewise.
3317 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3319 PR tree-optimization/39394
3320 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3321 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3323 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3325 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3326 inline asms for register asm ("") declarations.
3328 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3330 * fold-const.c (fold_unary): Fix comment.
3332 2009-03-07 Jan Hubicka <jh@suse.cz>
3335 * tree-inline.c (setup_one_parameter): Do replacement of const
3336 argument by constant in SSA form.
3338 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3341 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3342 determine alignment passed to assign_stack_local.
3343 (assign_parms_unsplit_complex): Likewise.
3344 * except.c (sjlj_build_landing_pads): Likewise.
3346 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3349 * tree-flow.h (add_referenced_var): Return bool instead of void.
3350 * tree-dfa.c (add_referenced_var): Return result of
3351 referenced_var_check_and_insert call.
3352 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3353 of referenced_var_check_and_insert.
3356 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3357 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3358 DIE, don't emit it if abstract origin already has it.
3359 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3360 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3362 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3364 * genpreds.c (needs_variable): Fix parentheses at variable name
3366 (write_tm_constrs_h): Indent generated code.
3368 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3370 * doc/extend.texi (Function Attributes): Add documentation
3373 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3376 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3377 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3379 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3381 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3384 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3387 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3388 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3390 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3392 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3393 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3394 constants instead of magic numbers.
3395 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3397 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3398 (x86_64_ms_abi_int_parameter_registers): Ditto.
3399 (x86_64_int_return_registers): Ditto.
3400 (ix86_maybe_switch_abi): Ditto.
3401 (ix86_expand_call): Ditto for clobbered_registers array.
3402 (ix86_hard_regno_mode_ok): Ditto.
3403 (x86_extended_QIreg_mentioned_p): Ditto.
3405 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3407 PR tree-optimization/39349
3408 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3410 * combine.c (gen_lowpart_for_combine): Use omode when generating
3413 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3415 PR rtl-optimization/39235
3416 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3418 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3420 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3422 2009-03-04 Richard Guenther <rguenther@suse.de>
3424 PR tree-optimization/39362
3425 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3426 that occur in abnormal PHIs should be varying.
3428 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3430 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3432 (simple_iv): Take loop as an argument instead of statement.
3433 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3434 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3436 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3438 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3439 * matrix-reorg.c (analyze_transpose): Ditto.
3440 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3441 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3442 * tree-predcom.c (ref_at_iteration): Ditto.
3443 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3445 2009-03-04 Richard Guenther <rguenther@suse.de>
3447 PR tree-optimization/39358
3448 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3449 escaped_id and callused_id.
3450 (solve_graph): Likewise.
3452 2009-03-04 Richard Guenther <rguenther@suse.de>
3454 PR tree-optimization/39339
3455 * tree-sra.c (try_instantiate_multiple_fields): Make it
3456 no longer ICE on the above.
3458 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3460 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3461 that fits within Pmode.
3463 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3466 * tm.texi (LIBCALL_VALUE): Update description.
3468 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3471 * doc/extend.texi (section): Update description.
3473 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3476 * tree-inline.c (remapped_type): New.
3477 (can_be_nonlocal): Call remapped_type instead of remap_type.
3479 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3482 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3483 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3485 2009-03-03 Richard Guenther <rguenther@suse.de>
3488 * tree.c (tree_nonartificial_location): New function.
3489 * tree.h (tree_nonartificial_location): Declare.
3490 * builtins.c (expand_builtin_memory_chk): Provide location
3491 of the call location for artificial function pieces.
3492 (maybe_emit_chk_warning): Likewise.
3493 (maybe_emit_sprintf_chk_warning): Likewise.
3494 (maybe_emit_free_warning): Likewise.
3495 * expr.c (expand_expr_real_1): Likewise.
3497 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3499 PR tree-optimization/39343
3500 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3501 COMPONENT_REF t has ARRAY_TYPE.
3503 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3506 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3507 when the type precision of the induction variable should be
3508 larger than the type precision of nit.
3509 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3510 * graphite.c (graphite_loop_normal_form): Same.
3511 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3513 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3515 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3516 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3517 numbers to describe clobbered registers.
3518 (*call_value_0_rex64_ms_sysv): Ditto.
3519 * config/i386/mmx.md (mmx_emms): Ditto.
3522 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3524 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3527 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3529 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3530 (spu_section_type_flags): New function.
3532 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3534 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3535 reg_class_contents of FLOAT_REGS into a temporary.
3537 2009-03-02 Richard Guenther <rguenther@suse.de>
3538 Ira Rosen <irar@il.ibm.com>
3540 PR tree-optimization/39318
3541 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3542 information to the vectorized statement.
3544 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3546 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3547 variable. Use defined names instead of magic constants for REX SSE
3550 2009-03-01 Richard Guenther <rguenther@suse.de>
3552 PR tree-optimization/39331
3553 * omp-low.c (lower_send_shared_vars): Do not receive new
3554 values for the reference of DECL_BY_REFERENCE parms or results.
3556 2009-03-01 Jan Hubicka <jh@suse.cz>
3559 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3560 BLOCK_NONLOCALIZED_VAR): New macros.
3561 (tree_block): Add nonlocalized_vars.
3562 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3563 gen_decl_die): Add origin argument. Allow generation of die with
3564 origin at hand only.
3565 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3566 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3568 (gen_block_die): Fix checking for unused blocks.
3569 (process_scope_var): Break out from .... ; work with origins only.
3570 (decls_for_scope) ... here; process nonlocalized list.
3571 (dwarf2out_ignore_block): Look for nonlocalized vars.
3572 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3574 (dump_scope_block): Dump them.
3575 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3576 (remap_block): Likewise.
3577 (can_be_nonlocal): New predicate.
3578 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3580 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3582 * configure: Regenerate.
3584 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3586 * optc-gen.awk: No need to duplicate option flags twice.
3587 Reuse help texts for duplicate options which do not have any.
3589 * gcc.c (display_help): Document --version.
3591 * gcc.c (main): If print_help_list and verbose_flag, ensure
3592 driver output comes before subprocess output.
3594 * optc-gen.awk: Assign all remaining fields to help string,
3595 space-separated, for multi-line help in *.opt.
3597 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3598 -Wno-pedantic-ms-format is for MinGW targets only.
3600 * doc/options.texi (Option file format): Fix bad indentation,
3601 restoring dropped sentence.
3603 2009-02-28 Jan Hubicka <jh@suse.cz>
3605 * tree-inline.c (tree_function_versioning): Output debug info.
3607 2009-02-28 Jan Hubicka <jh@suse.cz>
3610 * tree-inline.c (setup_one_parameter): Do not copy propagate
3611 arguments when not optimizing.
3613 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3616 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3617 (avx_addsubv4df3): Likewise.
3618 (*avx_addsubv4sf3): Likewise.
3619 (sse3_addsubv4sf3): Likewise.
3620 (*avx_addsubv2df3): Likewise.
3621 (sse3_addsubv2df3): Likewise.
3622 (avx_unpckhps256): Correct item selectors.
3623 (avx_unpcklps256): Likewise.
3624 (avx_unpckhpd256): Likewise.
3625 (avx_unpcklpd256): Likewise.
3627 2009-02-28 Jan Hubicka <jh@suse.cz>
3629 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3631 (copy_arguments_for_versioning): If var is declared don't declare it.
3632 (tree_function_versioning): First setup substitutions and then copy
3635 2009-02-27 Jan Hubicka <jh@suse.cz>
3638 * cgraph.h (varpool_output_debug_info): Remove.
3639 * cgraphunit.c (varpool_output_debug_info): Remove.
3640 * dwarf2out.c (deferred_locations_struct): New struct
3641 (deferred_locations): New type.
3642 (deferred_locations_list): New static var.
3643 (deffer_location): New function.
3644 (gen_variable_die): Use it.
3645 (decls_for_scope): Output info on local static vars.
3646 (dwarf2out_finish): Process deferred locations.
3647 * varpool.c (varpool_output_debug_info): Remove.
3649 2009-02-27 Jan Hubicka <jh@suse.cz>
3652 * tree.h (TREE_PROTECTED): Fix comment.
3653 (BLOCK_HANDLER_BLOCK): Remove.
3654 (struct tree_block): Remove handler_block add body_block.
3655 (inlined_function_outer_scope_p): New.
3656 (is_body_block): Remove.
3657 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3658 * dwarf2out.c (is_inlined_entry_point): Remove.
3659 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3660 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3662 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3663 * gimplify.c (gimplify_expr): Gimplify body blocks.
3664 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3665 block with multiple subblocks.
3666 (dump_scope_block): Prettier output; dump more flags and info.
3667 (dump_scope_blocks): New.
3668 (remove_unused_locals): Use dump_scope_blocks.
3669 * tree-flow.h (dump_scope_blocks): Declare.
3670 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3671 * stmt.c (is_body_block): Remove.
3672 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3673 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3675 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3678 * graphite.c (graphite_loop_normal_form): Do not call
3679 number_of_iterations_exit from a gcc_assert.
3681 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3683 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3684 jumps if COND is NULL.
3685 (find_cond_jump): New function.
3686 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3687 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3689 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3691 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3692 force_const_mem returns NULL_RTX.
3694 2009-02-26 Jan Hubicka <jh@suse.cz>
3697 * cgraph.h (varpool_output_debug_info): Remove.
3698 * cgraphunit.c (varpool_output_debug_info): Remove.
3699 * dwarf2out.c (deferred_locations_struct): New struct
3700 (deferred_locations): New type.
3701 (deferred_locations_list): New static var.
3702 (deffer_location): New function.
3703 (gen_variable_die): Use it.
3704 (decls_for_scope): Output info on local static vars.
3705 (dwarf2out_finish): Process deferred locations.
3706 * varpool.c (varpool_output_debug_info): Remove.
3708 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3710 PR rtl-optimization/39241
3711 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3712 to subreg_offset_representable_p.
3714 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3716 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3717 execute function prototype. Get f and nregs from max_reg_num
3718 and get_insns. Remove the first backward pass as it's dead,
3719 guard the forward pass by flag_expensive_optimizations.
3720 (rest_of_handle_regmove): Delete.
3721 (pass_regmove): Replace it with regmove_optimize.
3723 2009-02-25 Martin Jambor <mjambor@suse.cz>
3725 PR tree-optimization/39259
3726 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3727 calls_alloca function flags.
3728 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3731 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3733 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3734 flags_set_1_rtx, flags_set_1_set): Delete.
3735 (regmove_optimize): Do not call mark_flags_life_zones.
3737 2009-02-24 Julian Brown <julian@codesourcery.com>
3740 * config/arm/arm.c (require_pic_register): Only set
3741 cfun->machine->pic_reg once per function.
3743 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3745 * doc/invoke.texi (Link Options): Document an easier way to pass
3746 options that take arguments to the GNU linker using -Xlinker and -Wl.
3748 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3751 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3753 2009-02-24 Richard Guenther <rguenther@suse.de>
3756 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3758 2009-02-24 Richard Guenther <rguenther@suse.de>
3759 Zdenek Dvorak <ook@ucw.cz>
3761 PR tree-optimization/39233
3762 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3763 from converting them to a generic type.
3765 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3767 PR tree-optimization/39260
3768 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3769 contains a condition with a real type.
3770 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3772 2009-02-23 Jason Merrill <jason@redhat.com>
3775 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3776 narrowing_initializer_constant_valid_p.
3777 (narrowing_initializer_constant_valid_p): Don't return
3778 null_pointer_node for adding a pointer to itself.
3780 2009-02-23 Jan Hubicka <jh@suse.cz>
3783 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3786 2009-02-23 Jan Hubicka <jh@suse.cz>
3788 PR tree-optimization/37709
3789 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3790 * tree.h (block_ultimate_origin): Declare.
3791 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3792 * tree-ssa-live.c (remove_unused_scope_block_p):
3793 Eliminate blocks containig no instructions nor live variables nor
3795 (dump_scope_block): New function.
3796 (remove_unused_locals): Enable removal of dead blocks by default;
3797 enable dumping at TDF_DETAILS.
3799 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3801 * config/i386/i386.c (classify_argument): Don't allow COImode
3803 (function_arg_advance_32): Don't allow OImode.
3804 (function_arg_32): Likewise.
3805 (function_value_32): Likewise.
3806 (return_in_memory_32): Likewise.
3807 (function_arg_64): Remove OImode comment.
3809 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3812 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3813 ix86_expand_vector_set for V4DImode in 64bit mode only.
3814 (ix86_expand_vector_init_one_var): Likewise.
3816 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3818 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3820 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3823 * loop-iv.c: Revert last change.
3824 * emit-rtl.c: Likewise.
3826 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3829 * config/i386/i386.c (type_natural_mode): Remove an extra
3830 space in the warning message.
3831 (function_value_32): Handle 32-byte vector modes.
3832 (return_in_memory_32): Likewise.
3834 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3836 * loop-iv.c (truncate_value): New function.
3837 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3839 (lowpart_subreg): Move to...
3840 * emit-rtl.c: ...here.
3842 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3844 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3845 accidental and undocumented change at revision 140860.
3847 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3849 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3850 take gimple_seq * arguments.
3851 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3852 types_compatible_p langhook.
3854 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3855 Joseph Myers <joseph@codesourcery.com>
3857 * config/arm/arm.c (arm_builtin_va_list): New function.
3858 (arm_expand_builtin_va_start): Likewise.
3859 (arm_gimplify_va_arg_expr): Likewise.
3860 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3861 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3862 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3863 (va_list_type): New variable.
3864 (arm_mangle_type): Mangle va_list_type appropriately.
3866 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3869 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3870 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3871 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3872 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3873 parameter to 1000 for -O1 by default.
3874 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3876 * loop-invariant.c: Include params.h.
3877 (move_loop_invariants): Don't call move_single_loop_invariants on
3880 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3882 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3883 offset when calculating bounds for indexing stack_usage_map. Fixes
3884 a buffer overflow with certain target setups.
3886 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3889 * calls.c (expand_call): Clear try_tail_call if caller and callee
3890 disagree in promotion of function return value.
3892 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3895 * c-common.c (c_determine_visibility): If visibility changed and
3896 DECL_RTL has been already set, call make_decl_rtl to update symbol
3899 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3902 * varasm.c (assemble_variable): Don't check DECL_NAME when
3903 globalizing a variable.
3905 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3908 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3909 expression before any __builtin_trap call.
3910 * c-typeck.c (build_function_call): Convert and check function
3911 arguments before generating a call to a trap. Evaluate the
3912 function arguments before the trap.
3914 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3917 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3918 (UNSPEC_FXAM_MEM): New unspec.
3919 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3920 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3921 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3923 2009-02-19 Richard Guenther <rguenther@suse.de>
3925 PR tree-optimization/39207
3926 PR tree-optimization/39074
3927 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3928 storedanything_tree): New.
3929 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3930 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3931 (build_succ_graph): Add edges from STOREDANYTHING to all
3933 (init_base_vars): Initialize STOREDANYTHING.
3934 (compute_points_to_sets): Free substitution info after
3935 building the succ graph.
3936 (ipa_pta_execute): Likewise.
3938 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3940 (do_ds_constraint): Do not add to special var or non-pointer
3942 (type_could_have_pointers): Split out from ...
3943 (could_have_pointers): ... here. For arrays use the element type.
3944 (create_variable_info_for): Initialize may_have_pointers.
3945 (new_var_info): Likewise.
3946 (handle_lhs_call): Make the HEAP variable unknown-sized.
3947 (intra_create_variable_infos): Use a type with pointers for
3948 PARM_NOALIAS, make it unknown-sized.
3950 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3953 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3955 2009-02-18 Jason Merrill <jason@redhat.com>
3958 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3959 value if DECL_EXTERNAL.
3960 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3961 * target.h (gcc_target::binds_local_p): Clarify "module".
3962 * tree.h (TREE_PUBLIC): Clarify "module".
3964 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3967 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3968 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3970 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3973 * c.opt (Wabi): Support C and ObjC.
3976 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3978 * config/i386/i386.c (classify_argument): Warn once about the ABI
3979 change when passing union with long double.
3981 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3983 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3986 * c-parser.c (c_parser_compound_statement): Always enter and leave
3989 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3992 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3994 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3996 PR tree-optimization/36922
3997 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3998 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4001 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4003 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4006 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4008 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4010 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4012 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4015 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4016 Richard Sandiford <rdsandiford@googlemail.com>
4018 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4019 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4020 (loongson_biadd): ...this.
4022 2009-02-17 Richard Guenther <rguenther@suse.de>
4024 PR tree-optimization/39202
4025 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4026 a var make sure to follow existing collapses.
4028 2009-02-17 Richard Guenther <rguenther@suse.de>
4031 * langhooks.c (lhd_print_error_function): Check for NULL block.
4033 2009-02-17 Richard Guenther <rguenther@suse.de>
4035 PR tree-optimization/39204
4036 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4039 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4041 * config/soft-fp/double.h: Update from glibc CVS.
4043 2009-02-17 Richard Guenther <rguenther@suse.de>
4045 PR tree-optimization/39207
4046 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4047 strict-aliasing warnings for pointers pointing to NULL.
4049 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4052 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4053 skipping until next close brace.
4055 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4058 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4059 to function argument boundary.
4061 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4063 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4064 in the lea_add. Reload eventually constraints it properly.
4065 * config/picochip/constraints.md : Remove the target constraint
4066 "b", since it is not needed anymore.
4068 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4070 * gthr-dce.h: Uglify function parameter and local variable names.
4071 * gthr-gnat.h: Likewise.
4072 * gthr-mipssde.h: Likewise.
4073 * gthr-nks.h: Likewise.
4074 * gthr-posix95.h: Likewise.
4075 * gthr-posix.h: Likewise.
4076 * gthr-rtems.h: Likewise.
4077 * gthr-single.h: Likewise.
4078 * gthr-solaris.h: Likewise.
4079 * gthr-tpf.h: Likewise.
4080 * gthr-vxworks.h: Likewise.
4081 * gthr-win32.h: Likewise.
4083 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4086 * config/i386/i386.md: Restrict the new peephole2 to move
4087 between MMX/SSE registers.
4089 2009-02-15 Richard Guenther <rguenther@suse.de>
4092 2009-02-13 Richard Guenther <rguenther@suse.de>
4094 * configure.ac: Enable LFS.
4095 * configure: Re-generate.
4096 * config.in: Likewise.
4098 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4100 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4101 spu_srqwbyte, spu_srqwbytebc): Define.
4102 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4103 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4104 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4105 "shrqby_<mode>"): New insn-and-split patterns.
4106 * config/spu/spu.c (expand_builtin_args): Determine and return
4107 number of operands using spu_builtin_description data.
4108 (spu_expand_builtin_1): Use it.
4110 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4113 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4116 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4119 * config/i386/i386.c (override_options): Correct warning
4120 messages for -malign-loops, -malign-jumps and -malign-functions.
4122 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4125 * config/i386/i386.md: Restrict the new peephole2 to move
4126 between the general purpose registers.
4128 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4131 * config/i386/i386.c (type_natural_mode): Add a new argument.
4132 Return the original mode and warn ABI change if vector size is 32byte.
4133 (function_arg_advance): Updated.
4134 (function_arg): Likewise.
4135 (ix86_function_value): Likewise.
4136 (ix86_return_in_memory): Likewise.
4137 (ix86_sol10_return_in_memory): Likewise.
4138 (ix86_gimplify_va_arg): Likewise.
4139 (function_arg_32): Don't warn ABX ABI change here.
4140 (function_arg_64): Likewise.
4142 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4144 * loop-iv.c (implies_p): In the final case, test that operands 0
4145 of the two comparisons match.
4147 * config/bfin/bfin.c (find_prev_insn_start): New function.
4148 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4149 (find_next_insn_start): Move.
4151 2009-02-13 Richard Guenther <rguenther@suse.de>
4153 * configure.ac: Enable LFS.
4154 * configure: Re-generate.
4155 * config.in: Likewise.
4157 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4160 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4161 sizes on syntax error after some arguments have been parsed.
4163 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4165 * doc/invoke.texi (-fira): Remove.
4167 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4169 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4170 * recog.c: Likewise.
4173 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4175 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4176 (umul_ppmm): Likewise.
4177 (count_leading_zeros): Likewise.
4178 (count_trailing_zeros): Likewise.
4179 (UMUL_TIME): Likewise.
4181 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4183 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4184 soft-fp/t-softfp to tmake_file.
4186 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4187 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4188 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4189 IA64_BUILTIN_INFQ]: New.
4190 (ia64_init_builtins): Initialize __builtin_infq,
4191 __builtin_fabsq and __builtin_copysignq if not HPUX.
4192 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4193 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4195 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4197 (__fixtfti): Likewise.
4198 (__fixunstfti): Likewise.
4199 (__floattitf): Likewise.
4201 * config/ia64/libgcc-glibc.ver: New.
4202 * config/ia64/t-fprules-softfp: Likewise.
4203 * config/ia64/sfp-machine.h: Likewise.
4205 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4206 (LIBGCC2_TF_CEXT): Likewise.
4207 (TF_SIZE): Likewise.
4208 (TARGET_INIT_LIBFUNCS): Likewise.
4210 * config/ia64/t-glibc (SHLINB_MAPFILES):
4211 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4213 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4215 * config/i386/i386.c (construct_container): Rewrite processing
4216 BLKmode with X86_64_SSE_CLASS.
4218 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4221 * config/i386/i386.md: Replace simplify_replace_rtx with
4222 replace_rtx in the new peephole2.
4224 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4226 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4227 loop unrolling do not happen at -O2.
4229 2009-02-12 Michael Matz <matz@suse.de>
4231 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4233 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4235 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4238 2009-02-12 Ben Elliston <bje@au.ibm.com>
4240 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4241 patterns when updating the back chain. Missed in the 2009-02-10
4244 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4246 * doc/extend.texi (Decimal Floating Types): Update identifier of
4247 draft TR and list of missing support.
4249 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4252 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4253 bit to variable length decl's flags, add it also to its
4254 pointer replacement variable.
4256 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4257 Jakub Jelinek <jakub@redhat.com>
4260 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4261 (memory_blockage): New expander.
4262 (*memory_blockage): New insn pattern.
4263 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4264 instead of general blockage at the end of function prologue when
4265 frame pointer is used to access red zone area. Do not emit blockage
4266 when profiling, it is emitted in generic code.
4267 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4268 function epilogue when frame pointer is used to access red zone area.
4270 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4273 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4274 by arithmetic with memory operands.
4275 * config/i386/predicates.md (commutative_operator): New.
4277 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4279 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4282 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4284 * alias.h (record_alias_subset): Declare.
4285 * alias.c (record_alias_subset): Make global.
4287 2009-02-10 Nick Clifton <nickc@redhat.com>
4289 * tree-parloops.c: Change license to GPLv3.
4290 * ipa-struct-reorg.c: Change license to GPLv3.
4291 * ipa-struct-reorg.h: Change license to GPLv3.
4293 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4296 * c-decl.c (start_struct): Return NULL on error.
4298 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4301 * cfgloopmanip.c (remove_path): Call remove_bbs after
4302 cancel_loop_tree, not before it.
4305 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4306 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4307 VAR_DECLs were seen.
4308 * tree-ssa-live.c (remove_unused_locals): Recompute
4309 cfun->has_local_explicit_reg_vars.
4310 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4311 copies or clearings if cfun->has_local_explicit_reg_vars.
4313 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4316 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4317 of function prologue when frame pointer is used to access
4320 2009-02-10 Richard Guenther <rguenther@suse.de>
4323 * gimplify.c (gimple_regimplify_operands): Always look if
4324 we need to create a temporary.
4326 2009-02-10 Richard Guenther <rguenther@suse.de>
4328 PR tree-optimization/39132
4329 * tree-loop-distribution.c (todo): New global var.
4330 (generate_memset_zero): Trigger TODO_rebuild_alias.
4331 (tree_loop_distribution): Return todo.
4333 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4336 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4337 (x86_64_reg_class_name): Removed.
4338 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4339 first one isn't X86_64_SSE_CLASS or any other ones aren't
4340 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4341 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4342 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4343 and 3 X86_64_SSEUP_CLASS.
4344 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4345 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4347 2009-02-10 Ben Elliston <bje@au.ibm.com>
4349 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4350 form instruction to update the stack back chain word, even if the
4351 user has disabled the generation of update instructions.
4352 (movdi_<mode>_update_stack): New.
4353 (movsi_update_stack): Likewise.
4354 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4355 always use an update form instruction to update the stack back
4358 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4361 * graphite.c (if_region_set_false_region): After moving a region in
4362 the false branch of a condition, remove the empty dummy basic block.
4363 (gloog): Remove wrong fix for PR38953.
4365 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4367 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4368 generation due to implicit sign extension.
4370 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4373 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4374 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4376 2009-02-09 Richard Guenther <rguenther@suse.de>
4379 * convert.c (convert_to_real): Disable (float)fn((double)x)
4380 to fnf(x) conversion if errno differences may occur and
4381 -fmath-errno is set.
4383 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4385 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4386 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4387 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4389 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4392 * c-common.c (handle_alias_attribute): Disallow attribute for
4393 anything not a FUNCTION_DECL or VAR_DECL.
4395 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4398 * real.c (do_compare): Special-case compare of zero against
4399 decimal float value.
4401 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4404 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4405 as indicating flexible array members unless the field itself is
4406 being declarared as the incomplete array.
4408 2009-02-06 Jan Hubicka <jh@suse.cz>
4410 PR tree-optimization/38844
4411 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4414 2009-02-06 Richard Guenther <rguenther@suse.de>
4417 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4418 fork because we may expand it as __gcov_fork.
4420 2009-02-06 Nick Clifton <nickc@redhat.com>
4422 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4424 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4426 PR tree-optimization/35659
4427 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4428 vn_phi_eq): Shortcut if hashcode does not match.
4429 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4431 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4432 and avoid iterative_hash_expr.
4433 (FOR_EACH_VALUE_ID_IN_SET): New.
4434 (value_id_compare): Remove.
4435 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4436 sort expressions by value id.
4438 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4441 * config/sh/predicates.md (general_movsrc_operand): Don't check
4442 the subreg of system registers here.
4444 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4447 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4450 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4452 PR rtl-optimization/39110
4453 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4454 addresses, not aligned ones.
4456 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4457 Richard Guenther <rguenther@suse.de>
4459 PR tree-optimization/39100
4460 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4461 comment says and add edges.
4463 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4466 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4467 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4469 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4471 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4472 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4473 register_bb_in_sese, new_sese, free_sese): Moved.
4474 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4475 outermost_loop_in_scop, build_scop_iteration_domain,
4476 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4477 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4478 Use loop_in_sese_p instead of loop_in_scop_p.
4479 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4480 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4481 (scopdet_basic_block_info): Fix bug in scop detection.
4482 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4483 eq_loop_to_cloog_loop): Remove.
4484 (nb_loops_around_loop_in_scop, nb_loop
4485 ref_nb_loops): Moved here...
4486 * graphite.h (ref_nb_loops): ... from here.
4487 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4488 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4489 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4490 * testsuite/gcc.dg/graphite/scop-19.c: New
4492 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4493 Hans-Peter Nilsson <hp@axis.com>
4495 PR rtl-optimization/37889
4496 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4497 Move offset handling from PLUS to before the switch. Use new
4498 arguments when considering SYMBOL_REFs too.
4499 (rtx_addr_can_trap_p): Pass dummy offset and size.
4500 (enum may_trap_p_flags): Remove.
4501 (may_trap_p_1): Pass size from MEM_SIZE.
4503 PR rtl-optimization/38921
4504 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4505 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4506 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4507 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4509 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4511 AVX Programming Reference (January, 2009)
4512 * config/i386/sse.md (*vpclmulqdq): New.
4514 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4516 PR tree-optimization/38977
4517 PR gcov-profile/38292
4518 * calls.c (special_function_p): Disregard __builtin_ prefix.
4520 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4522 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4523 non-indexable addresses even before reload.
4525 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4528 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4529 as having variable size. Do not give an error for unnamed
4530 parameters with [*] declarators. Give a warning for type names
4531 with [*] declarators and mark them as variable size.
4532 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4533 for sizeof applied to [*] type names.
4535 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4538 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4540 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4542 * gcc.c (process_command): Update copyright notice dates.
4543 * gcov.c (print_version): Likewise.
4544 * gcov-dump.c (print_version): Likewise.
4545 * mips-tfile.c (main): Likewise.
4546 * mips-tdump.c (main): Likewise.
4548 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4551 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4552 for composite type involving a zero-length array type.
4554 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4557 * function.c (match_asm_constraints_1): Skip over
4558 initial optional % in the constraint.
4561 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4562 supported, don't accept FIXED_CSTs.
4563 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4564 and _Sat is used without _Fract/_Accum. Set specs->type to
4565 integer_type_node for cts_fract/cts_accum if fixed point is not
4568 2009-02-02 Catherine Moore <clm@codesourcery.com>
4570 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4572 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4574 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4575 (ABI_HAS_64BIT_SYMBOLS): Use it.
4576 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4578 2009-02-02 Paul Brook <paul@codesourcery.com>
4580 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4582 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4585 * recog.h (asm_operand_ok): Add constraints argument.
4586 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4587 recurse on matching constraint.
4588 (check_asm_operands): Pass constraints as 3rd argument to
4589 asm_operand_ok. Don't look up matching constraint here.
4590 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4593 2009-02-02 Ben Elliston <bje@au.ibm.com>
4595 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4596 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4598 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4600 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4601 information. Remove some obsolete information. Reorganize.
4603 * config/pa/fptr.c: Revert license to GPL 2.
4604 * config/pa/milli64.S: Likewise.
4606 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4609 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4610 LIBRARY name in, instead of hard-coding it.
4611 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4612 extra target make frag to tmake_files according to EH model.
4613 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4614 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4615 frags that define makefile variable EH_MODEL appropriately.
4616 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4617 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4618 to "-sjlj" according to type of EH configured.
4619 (LIBGCC_SONAME): Concatenate it to shared library base name.
4620 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4621 to "_sjlj" according to type of EH configured.
4622 (LIBGCC_SONAME): Concatenate it to shared library base name.
4623 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4624 (SHLIB_LINK): Add missing semicolon to if-else construct.
4625 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4626 string value of "pe_dll" command-line option.
4627 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4628 (SHLIB_SONAME): Use it when overriding t-cygming default.
4629 (SHLIB_IMPLIB): Override t-cygming default.
4630 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4631 string value of "pe_dll" command-line option.
4633 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4636 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4637 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4639 2009-01-31 Richard Guenther <rguenther@suse.de>
4641 PR tree-optimization/38937
4642 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4643 computing the transitive closure.
4645 2009-01-30 Richard Guenther <rguenther@suse.de>
4647 PR tree-optimization/39041
4648 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4649 Propagate variable indices only if the types match for this stmt.
4651 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4654 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4655 inline but never defined.
4657 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4659 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4660 (*insv_h_di_reg_extimm): New insn.
4661 (*insv_l<mode>_reg_extimm): New insn.
4663 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4665 * config/picochip/picochip.c (flag_conserve_stack): set
4666 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4667 fconserve-stack. Reduce call-overhead used by inliner.
4669 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4672 * common.opt (flag_conserve_stack): Initialised to zero.
4674 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4677 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4678 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4681 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4683 * ira-color.c (allocno_reload_assign): Update comments.
4684 * regmove.c (regmove_optimize): Likewise.
4688 2009-01-29 Robert Millan <rmh@aybabtu.com>
4690 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4691 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4692 `MD_UNWIND_SUPPORT'.
4693 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4695 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4697 PR tree-optimization/39007
4698 * tree-loop-distribution.c (generate_builtin): Use
4699 recompute_dominator to compute the immediate dominator of the
4700 basic block just after the loop.
4702 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4704 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4705 (ASM_OUTPUT_DWARF_PCREL): Define.
4707 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4709 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4710 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4711 global. Modify entries about regmove and IRA.
4713 * ra-conflict.c: Remove the file.
4715 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4717 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4718 (pass_regclass_init): Rename to pass_reginfo_init.
4720 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4722 * toplev.h (flag_ira): Remove.
4724 * caller-save.c (setup_save_areas): Remove flag_ira.
4726 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4728 * global.c: Remove the file.
4730 * opts.c (decode_options): Remove flag_ira.
4732 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4734 * regmove.c: Modify file description.
4735 (find_use_as_address, try_auto_increment): Define them only if
4736 AUTO_INC_DEC is defined.
4737 (replacement_quality, replace_in_call_usage, fixup_match_1,
4738 stable_and_no_regs_but_for_p): Remove.
4739 (reg_set_in_bb): Make it static.
4740 (regmove_optimize): Remove flag_ira and code which worked for
4743 * local-alloc.c: Remove the file.
4745 * common.opt (fira): Remove.
4747 * ira.c: Include except.h.
4748 (eliminable_regset): Move from global.c.
4749 (mark_elimination): Ditto. Remove flag_ira.
4750 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4751 equiv_mem_modified, validate_equiv_mem_from_store,
4752 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4753 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4754 no_equiv, recorded_label_ref): Move from local-alloc.c.
4755 (update_equiv_regs): Ditto. Make it static.
4756 (print_insn_chain, print_insn_chains): Move it from global.c.
4757 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4758 (build_insn_chain): Ditto. Make it static.
4759 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4760 Rename to init_live_subregs.
4761 (gate_ira): Remove flag_ira.
4763 * regclass.c: Rename reginfo.c. Change file description.
4764 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4765 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4766 (init_reg_sets_1): Remove code for evaluation of
4767 reg_class_superclasses and losing_caller_save_reg_set.
4768 (init_regs): Remove init_reg_autoinc.
4769 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4770 ok_for_base_p_nonstrict): Remove.
4771 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4772 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4773 corresponding entries.
4774 (dump_regclass, record_operand_costs, scan_one_insn,
4775 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4776 record_address_regs, auto_inc_dec_reg_p): Remove.
4777 (gt-regclass.h): Rename to gt-reginfo.h.
4779 * rtl.h (dump_global_regs, retry_global_alloc,
4780 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4782 * Makefile.in (RA_H): Remove.
4783 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4784 Rename regclass.o to reginfo.o.
4785 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4787 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4788 (GTFILES): Rename regclass.c to reginfo.c.
4790 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4791 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4793 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4794 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4796 (finish_spills): Ditto. Remove code for !flag_ira.
4798 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4801 * doc/invoke.texi (rtl debug options): Complete rewrite.
4802 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4804 * mode-switching.c (pass_mode_switching): Rename pass from
4805 "mode-sw" to "mode_sw".
4806 * except.c (pass_convert_to_eh_ranges): Rename pass from
4807 "eh-ranges" to "eh_ranges".
4808 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4812 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4813 Alexander Monakov <amonakov@ispras.ru>
4816 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4818 (move_exprs_to_boundary): Change return type and pass through
4819 should_move from move_op. Relax assert. Update usage ...
4820 (schedule_expr_on_boundary): ... here. Use should_move instead of
4822 (move_op_orig_expr_found): Indicate that insn was disconnected from
4824 (code_motion_process_successors): Do not call after_merge_succs
4825 callback if original expression was not found when traversing any of
4827 (code_motion_path_driver): Change return type. Update prototype.
4828 (move_op): Update comment. Add a new parameter (should_move). Update
4829 prototype. Set *should_move based on indication provided by
4830 move_op_orig_expr_found.
4832 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4834 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4835 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4836 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4837 * config/rs6000/rs6000.c (rs6000_override_options): Default
4838 avoid-indexed-addresses on for Power6, off for everything else.
4839 (avoiding_indexed_address_p): New function.
4840 (rs6000_legitimize_address): Use it.
4841 (rs6000_legitimate_address): Likewise.
4842 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4844 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4846 PR tree-optimization/38997
4847 * tree-loop-distribution.c (generate_memset_zero): Use
4848 POINTER_PLUS_EXPR for a pointer addition.
4850 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4852 * config/s390/s390.md (bswap<mode>2): New pattern added.
4854 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4856 * config/s390/s390.md (*tls_load_31): Added type attribute.
4858 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4860 * config/s390/s390.md: Fix a few comments.
4862 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4864 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4865 (*tm<mode>_full): Fixed z10prop attribute.
4866 (*tst<mode>_extimm): Fixed z10prop attribute.
4867 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4868 (*tstqiCCT_cconly): Fixed z10prop attribute.
4869 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4870 (*movsi_larl): Fixed z10prop attribute.
4871 (*movsi_zarch): Fixed z10prop attribute.
4872 (*movsi_eas): Fixed z10prop attribute.
4873 (*movhi): Fixed z10prop attribute.
4874 (*movqi): Fixed z10prop attribute.
4875 (*movstrictqi): Fixed z10prop attribute.
4876 (*mov<mode>): Fixed z10prop attribute.
4877 (*movcc): Fixed z10prop attribute.
4878 (*sethighpartdi_64): Fixed z10prop attribute.
4879 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4880 (*negdi2_sign_cc): Fixed z10prop attribute.
4881 (*negdi2_sign): Fixed z10prop attribute.
4882 (*absdi2_sign_cc): Fixed z10prop attribute.
4883 (*absdi2_sign): Fixed z10prop attribute.
4884 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4885 (*negabsdi2_sign): Fixed z10prop attribute.
4886 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4887 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4888 (doloop_si64): Fixed z10prop attribute.
4889 (doloop_si31): Fixed z10prop attribute.
4890 (doloop_long): Fixed z10prop attribute.
4891 (indirect_jump): Fixed z10prop attribute.
4892 (nop): Fixed z10prop attribute.
4893 (main_base_64): Fixed z10prop attribute.
4894 (reload_base_64): Fixed z10prop attribute.
4896 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4898 PR rtl-optimization/38740
4899 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4901 * config/mips/mips.c (mips_reorg): Likewise.
4903 2009-01-28 Richard Guenther <rguenther@suse.de>
4905 PR tree-optimization/38926
4906 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4907 with the correct value id to a value.
4908 (do_regular_insertion): Use the value number of edoubleprime
4909 for the value number of the expr.
4912 2008-08-21 Richard Guenther <rguenther@suse.de>
4914 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4915 a PHI ask VN if it is already available.
4916 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4917 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4919 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4922 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4923 set to varying whenever max has TREE_OVERFLOW set, similarly
4924 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4926 2009-01-28 Richard Guenther <rguenther@suse.de>
4929 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4930 uninitialized aggregate uses in call arguments.
4932 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4934 PR tree-optimization/38984
4935 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4936 the nothing_id variable if -fno-delete-null-pointer-checks.
4938 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4941 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4942 (set_got_offset_rex64): Ditto.
4944 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4947 * doc/extend.texi: Improve local variable with asm reg.
4949 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4951 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4952 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4953 was not supplied then set warn_packed_bitfield_compat to the
4955 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4958 2009-01-27 Richard Guenther <rguenther@suse.de>
4960 PR tree-optimization/38503
4961 * cfgexpand.c (expand_gimple_basic_block): Ignore
4962 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4963 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4964 variables that cannot have TBAA applied.
4965 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4968 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4971 * calls.c (initialize_argument_information): Do not wrap complex
4972 arguments in SAVE_EXPR.
4974 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4976 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4977 (INSTALL_LIBGCC): Revert typo commit.
4979 2009-01-26 Richard Guenther <rguenther@suse.de>
4981 PR tree-optimization/38745
4982 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4983 from special handling.
4985 2009-01-26 Richard Guenther <rguenther@suse.de>
4987 PR tree-optimization/38745
4988 * tree-ssa.c (execute_update_addresses_taken): Do not include
4989 variables that cannot possibly be a register in not_reg_needs.
4990 Do not clear TREE_ADDRESSABLE on vars that may not become
4992 * tree-ssa.c (update_alias_info_1): Include those in the set
4993 of addressable vars.
4995 2009-01-26 Richard Guenther <rguenther@suse.de>
4998 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4999 * tree-ssa-dse.c: Include langhooks.h
5000 (execute_simple_dse): Remove stores with zero size.
5002 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5005 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5008 2009-01-24 Julian Brown <julian@codesourcery.com>
5010 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5011 config/arm/linux-atomic.c.
5012 * config/arm/linux-atomic.c: New.
5014 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5016 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5017 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5018 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5020 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5023 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5026 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5028 PR tree-optimization/38953
5029 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5030 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5031 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5032 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5035 2009-01-24 Paul Brook <paul@codesourcery.com>
5037 * config/arm/neon.md (neon_type): Move to arm.md.
5038 (neon_mov<VSTRUCT>): Add neon_type attribute.
5039 * config/arm/arm.md (neon_type): Move to here.
5040 (conds): Add "unconditioal" and use as default for NEON insns.
5042 2009-01-24 Ben Elliston <bje@au.ibm.com>
5044 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5045 void *' warning from -Wc++-compat.
5046 * Makefile.in (dominance.o-warn): Remove.
5048 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5050 PR tree-optimization/38932
5051 * fold-const.c (fold_unary_ignore_overflow): New.
5052 * tree.h (fold_unary_ignore_overflow): Declare.
5053 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5054 * tree-ssa-sccvn.c (visit_reference_op_load,
5055 simplify_unary_expression): Likewise.
5057 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5059 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5060 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5061 regardless of their type.
5062 * c-common.c (handle_packed_attribute): Don't ignore packed on
5064 * c.opt (Wpacked-bitfield-compat): New warning option.
5065 * stor-layout.c (place_field): Warn if offset of a field changed.
5066 * doc/extend.texi (packed): Mention the ABI change.
5067 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5068 (Warning Options): Add it to the list.
5070 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5072 * c-opts.c (c_common_post_options): Fix a typo in comments.
5074 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5077 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5078 variables to static.
5079 * doc/invoke.texi (-fmerge-all-constants): Update description.
5081 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5084 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5085 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5087 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5089 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5091 (LOCAL_ALIGNMENT): Similarly.
5093 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5094 Joseph Myers <joseph@codesourcery.com>
5096 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5097 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5098 * config/arm/arm-tune.md: Regenerate.
5099 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5102 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5104 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5105 version number to five.
5107 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5110 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5111 * c-common.c (set_underlying_type): Likewise.
5112 (is_typedef_decl ): Likewise
5114 (set_underlying_type): Likewise.
5115 (is_typedef_type): Likewise.
5117 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5120 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5123 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5126 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5127 (LIBGCC_SPEC): Don't define.
5128 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5130 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5132 PR rtl-optimization/38879
5133 * alias.c (base_alias_check): Unaligned access via AND address can
5134 alias all surrounding object types except those with sizes equal
5135 or wider than the size of unaligned access.
5137 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5140 * c-decl.c (clone_underlying_type): Move this ...
5141 * c-common.c (set_underlying_type): ... here.
5142 Also, make sure the function properly sets TYPE_STUB_DECL() on
5143 the newly created typedef variant type.
5144 (is_typedef_decl ): New entry point.
5145 * tree.h: Added a new member member_types_needing_access_check to
5146 struct tree_decl_non_common.
5147 (set_underlying_type): New entry point.
5148 (is_typedef_type): Likewise.
5150 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5152 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5153 Check whether two instructions have memory references that
5154 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5155 are helper functions for traversing.
5156 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5157 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5158 not to draw dependency edge for instructions with non-conflicting
5161 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5164 * longlong.h: Update copyright years. Use soft-fp license notice.
5165 Sync __clz_tab declaration with glibc.
5167 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5170 * doc/extend.texi (syscall_linkage): New.
5171 (version_id): Modify.
5173 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5174 Richard Guenther <rguenther@suse.de>
5176 PR tree-optimization/38747
5177 PR tree-optimization/38748
5178 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5179 conversion if the base address is an indirect reference and the
5180 aliasing sets could cause issues.
5182 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5184 * common.opt (fgraphite, fgraphite-identity): Add comment for
5185 explaining why these options are not documented.
5187 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5189 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5190 gimple_call_lhs is NULL.
5192 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5195 * emit-rtl.c (adjust_address_1): Make sure memref is never
5198 2009-01-20 Ben Elliston <bje@au.ibm.com>
5200 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5201 const qualifier from arg parameter. Remove unnecessary cast to char *.
5202 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5203 const qualifier from arg 2.
5205 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5207 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5209 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5212 * rtl.h (reinit_regs): New prototype.
5213 * regclass.c: Include ira.h.
5215 * Makefile.in (regclass.o): Add ira.h.
5216 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5218 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5221 * c-common.c (handle_aligned_attribute): Use
5222 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5223 default alignment value.
5225 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5227 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5228 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5230 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5231 __BIGGEST_ALIGNMENT__.
5233 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5235 2009-01-18 Richard Guenther <rguenther@suse.de>
5237 PR tree-optimization/38819
5238 * tree-flow.h (operation_could_trap_helper_p): Declare.
5239 * tree-eh.c (operation_could_trap_helper_p): Export.
5240 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5241 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5242 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5243 are about to insert a possibly trapping instruction and fail
5246 2009-01-18 Andreas Schwab <schwab@suse.de>
5248 * doc/install.texi (Configuration): Remove obsolete paragraph
5249 about use of --with-gnu-ld with --with-gnu-as.
5251 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5253 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5254 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5255 Follow spelling conventions.
5257 2009-01-18 Ben Elliston <bje@au.ibm.com>
5259 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5260 C++ warning about implicit conversion from void * to struct
5262 (bitmap_obstack_free): Likewise for bitmap_element *.
5263 * Makefile.in (bitmap.o-warn): Remove.
5265 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5267 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5269 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5270 Tobias Grosser <tobi.grosser@amd.com>
5272 * graphite.c (graphite_trans_scop_block): Do not block single
5275 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5277 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5278 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5279 test with assertion.
5281 2009-01-16 Richard Guenther <rguenther@suse.de>
5283 PR tree-optimization/38835
5285 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5286 and INT + PTR -> (INT)(PTR p+ INT) folding.
5287 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5289 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5292 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5293 the subreg from a lowpart subreg if it is also casting the value.
5295 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5296 Tobias Grosser <tobi.grosser@amd.com>
5298 * graphite.c (compare_prefix_loops): New.
5299 (build_scop_canonical_schedules): Rewritten.
5300 (graphite_transform_loops): Move build_scop_canonical_schedules
5301 after build_scop_iteration_domain.
5303 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5304 Tobias Grosser <tobi.grosser@amd.com>
5306 * graphite.c (add_conditions_to_domain): Add the loops to
5307 the dimension of the iteration domain. Do copy the domain
5308 only when it exists.
5309 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5310 (add_conditions_to_constraints): New.
5311 (can_generate_code_stmt, can_generate_code): Removed.
5312 (gloog): Do not call can_generate_code.
5313 (graphite_transform_loops): Call add_conditions_to_constraints
5314 after building the iteration domain.
5316 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5318 PR tree-optimization/38789
5319 * tree-ssa-threadedge.c
5320 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5321 __builtin_constant_p.
5323 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5325 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5326 examined before deleting them.
5328 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5330 * function.c (aggregate_value_p): Correctly extract the function
5331 type from CALL_EXPR_FN lookup.
5333 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5335 * config/picochip/picochip.c (picochip_override_options): Revert
5336 CFI asm flag disable commited previously.
5338 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5339 Tobias Grosser <tobi.grosser@amd.com>
5340 Jan Sjodin <jan.sjodin@amd.com>
5342 * graphite.c (scan_tree_for_params): On substractions negate
5343 all the coefficients of the term.
5344 (clast_to_gcc_expression_red): New. Handle reduction expressions
5345 of more than two operands.
5346 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5347 (get_vdef_before_scop): Handle also the case of default definitions.
5349 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5351 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5352 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5353 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5355 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5356 Joey Ye <joey.ye@intel.com>
5359 * cfgexpand.c (expand_stack_alignment): Don't update stack
5360 boundary nor check incoming stack boundary here.
5361 (gimple_expand_cfg): Update stack boundary and check incoming
5362 stack boundary here.
5364 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5366 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5368 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5370 PR rtl-optimization/38245
5371 * calls.c (expand_call): Add stack arguments to
5372 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5373 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5374 in regs and partially in memory or BLKmode arguments.
5375 (emit_library_call_value_1): Add stack arguments to
5376 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5377 ACCUMULATE_OUTGOING_ARGS).
5378 * dce.c: Include tm_p.h.
5379 (find_call_stack_args): New function.
5380 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5382 (mark_insn): Call find_call_stack_args for CALL_Ps.
5383 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5384 forwards. Allocate and free arg_stores bitmap if needed, pass it
5385 down to deletable_insn_p, don't mark stores set in arg_stores
5386 bitmap, clear the bitmap at the beginning of each bb.
5387 * Makefile.in (dce.o): Depend on $(TM_P_H).
5389 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5392 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5393 to make sure the insn is a conditional test (bug 22599). Reformat a
5396 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5399 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5400 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5401 (gloog): Do not call cleanup_tree_cfg.
5402 (graphite_transform_loops): Call cleanup_tree_cfg after all
5403 scops have been code generated.
5405 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5406 * doc/gty.texi (Invoking the garbage collector): Added new node
5407 and section documenting ggc_collect.
5409 2009-01-14 Richard Guenther <rguenther@suse.de>
5411 PR tree-optimization/38826
5413 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5414 initialization notes only if we actually emitted a warning.
5415 (intra_create_variable_infos): Add constraints for a result decl
5416 that is passed by hidden reference.
5417 (build_pred_graph): Mark all related variables non-direct on
5420 2009-01-14 Nick Clifton <nickc@redhat.com>
5422 * ira-conflicts.c: Include addresses.h for the definition of
5424 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5425 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5427 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5430 * Makefile.in (ira-lives.o): Add except.h.
5432 * ira-lives.c: Include except.h.
5433 (process_bb_node_lives): Process can_throw_internal.
5435 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5437 PR rtl-optimization/38774
5438 * combine.c (simplify_set): When undoing cc_use change, don't do
5439 PUT_CODE on the newly created comparison, but instead put back the
5442 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5444 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5445 values. Remove duplicate arm8 entry.
5447 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5449 PR tree-optimization/38786
5450 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5451 the SSA_NAME case of expand_scalar_variables_expr.
5452 Set the type of an expression to the type of its assign statement.
5453 (expand_scalar_variables_expr): Also gather the scalar computation
5454 used to index the memory access. Do not pass loop_p.
5455 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5456 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5457 the gimple_stmt_iterator where it inserts new code.
5459 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5460 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5462 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5464 * graphite.h (debug_value): Removed.
5465 * graphite.c (debug_value): Removed.
5467 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5469 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5470 ldrd/strd with two 32-bit instructions.
5472 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5474 * config/arm/arm.c (struct processors): Pass for speed down into
5475 cost helper functions.
5476 (const_ok_for_op): Handle COMPARE and inequality nodes.
5477 (arm_rtx_costs_1): Rewrite.
5478 (arm_size_rtx_costs): Update prototype.
5479 (arm_rtx_costs): Pass speed down to helper functions.
5480 (arm_slowmul_rtx_costs): Rework cost calculations.
5481 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5482 (arm_9e_rtx_costs): Likewise.
5484 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5486 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5487 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5488 (alpha_legitimize_address): Do not split local symbols wider than
5489 UNITS_PER_WORD into HIGH/LO_SUM parts.
5491 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5494 * gcc.c (process_command): Replace call to execvp with calls
5495 to pex_one and exit.
5497 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5500 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5501 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5502 variant for devices with 3-byte PC.
5503 (__tablejump_elpm__): New.
5505 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5508 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5509 offsetof member-designator, handle it as `[0].'.
5511 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5513 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5514 function when not using named sections on targets with named sections
5515 if branch distance is less than 262132.
5517 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5519 * combine.c (combine_instructions): Recompute
5520 optimize_this_for_speed_p for each BB in the main combine loop.
5522 2009-01-12 Tomas Bily <tbily@suse.cz>
5525 * tree-loop-distribution.c (prop_phis): New function.
5526 (generate_builtin): Call prop_phis.
5527 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5529 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5531 PR tree-optimization/38807
5532 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5533 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5535 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5537 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5538 subreg of op0 to the original op0.
5540 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5542 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5544 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5547 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5548 starting with digits.
5550 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5553 * config/arm/arm.c (arm_is_long_call_p): Don't call
5554 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5556 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5558 * regrename.c (regrename_optimize): Fix dumping.
5559 (find_oldest_value_reg): Preserve REG_POINTER.
5560 (copy_hardreg_forward_1): Likewise.
5562 2009-01-09 Diego Novillo <dnovillo@google.com>
5564 * gimple.h (struct gimple_statement_base) <uid>: Document
5565 the restrictions on its use.
5567 (gimple_set_uid): Tidy.
5569 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5571 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5572 zero guard even if align_bytes != 0 and count is smaller than
5575 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5577 PR rtl-optimization/38495
5578 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5579 (add_range_and_copies_from_move_list): Print all added ranges.
5580 Add ranges to memory optimized destination.
5582 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5586 * config/i386/i386.c (override_options): Reject
5587 -mstringop-strategy=rep_8byte with -m32.
5588 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5589 to 1. Do count comparison against epilogue_size_needed at compile
5590 time even when count_exp was constant forced into register. For
5591 size_needed don't jump to epilogue, instead just avoid aligning
5592 and invoke the body algorithm. If need_zero_guard, add zero guard
5593 even if count is non-zero, but smaller than size_needed + number of
5594 bytes that could be stored for alignment.
5595 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5596 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5597 but smaller than size_needed + number of bytes that could be stored
5598 for alignment. Compare size_needed with epilogue_size_needed instead
5599 of desired_align - align, don't adjust size_needed, pass
5600 epilogue_size_needed to the epilogue expanders.
5603 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5605 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5607 * pa.c (last_address): Change to unsigned.
5608 (update_total_code_bytes): Change argument to unsigned. Don't
5609 check if insn addresses are set.
5610 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5611 addresses are not set.
5612 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5614 2009-01-09 Nick Clifton <nickc@redhat.com>
5616 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5617 DECL_DECLARED_INLINE_P.
5619 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5622 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5623 GET_MODE (op0) in operand_subword_force calls.
5626 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5627 fold_convert arg0 operands to TREE_TYPE (op0) first.
5629 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5631 * params.def (ira-max-conflict-table-size): Decrease default value
5634 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5636 PR tree-optimization/37031
5637 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5639 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5640 allocate it using gc instead of heap, use VEC_quick_push instead of
5642 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5643 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5644 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5645 allocated vector from heap allocated.
5646 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5647 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5648 vector only after perfect_loop_nest_depth call.
5650 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5651 Jan Sjodin <jan.sjodin@amd.com>
5653 PR tree-optimization/38559
5654 * graphite.c (debug_value, copy_constraint,
5655 swap_constraint_variables, scale_constraint_variable, ): New.
5656 (get_lower_bound, get_upper_bound): Removed.
5657 (graphite_trans_bb_strip_mine): Clean up this code that works
5658 only for constant number of iterations. Fully copy upper and
5659 lower bound constraints, not only the constant part of them.
5660 * graphite.h (debug_value): Declared.
5662 2009-01-08 Ira Rosen <irar@il.ibm.com>
5664 PR tree-optimization/37194
5665 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5666 Don't add the cost of cost model guard in prologue to scalar
5667 outside cost in case of known number of iterations.
5669 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5670 Alan Modra <amodra@bigpond.net.au>
5672 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5673 non-word-aligned REG+CONST addressing.
5675 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5678 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5679 free_after_compilation when outputting a thunk.
5680 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5681 Do not call free_after_compilation here.
5683 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5685 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5686 (ix86_valid_target_attribute_inner_p): Ditto.
5688 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5690 PR tree-optimization/38492
5691 PR tree-optimization/38498
5692 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5693 * tree-chrec.h (scev_is_linear_expression): Declared.
5694 * graphite.c (graphite_cannot_represent_loop_niter): New.
5695 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5696 (graphite_loop_normal_form): Use gcc_assert.
5697 (scan_tree_for_params): Use CASE_CONVERT.
5698 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5699 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5700 Use gcc_assert. Discard scops that contain unhandled cases.
5701 (build_scop_conditions): Return a boolean status for unhandled cases.
5702 (strip_mine_profitable_p): Print the loop number, not its depth.
5703 (is_interchange_valid): Pass the depth of the loop nest, don't
5704 recompute it wrongly.
5705 (graphite_trans_bb_block): Same.
5706 (graphite_trans_bb_block): Print tentative of loop blocking.
5707 (graphite_trans_scop_block): Do not print that the loop has been
5709 (graphite_transform_loops): Do not handle scops that contain condition
5712 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5714 AVX Programming Reference (December, 2008)
5715 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5716 (_mm256_stream_pd): Likewise.
5717 (_mm256_stream_ps): Likewise.
5719 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5720 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5721 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5722 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5723 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5724 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5725 (ix86_expand_special_args_builtin): Likewise.
5727 * config/i386/sse.md (AVXMODEDI): New.
5728 (avx_movnt<mode>): Likewise.
5729 (avx_movnt<mode>): Likewise.
5730 (<sse>_movnt<mode>): Remove AVX support.
5731 (sse2_movntv2di): Likewise.
5733 2009-01-07 Richard Guenther <rguenther@suse.de>
5736 * fold-const.c (extract_muldiv): Remove obsolete comment.
5737 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5738 to PLUS_EXPR canonicalization for the canonicalization.
5740 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5742 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5743 hosted cross-compilers generating less efficient code.
5745 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5747 * function.h (rtl_data): Add a dbr_scheduled_p field.
5748 * reorg.c (dbr_schedule): Set it.
5749 (gate_handle_delay_slots): Check it.
5750 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5751 (mips_reorg): Check flag_delayed_branch instead of
5752 mips_base_delayed_branch.
5753 (mips_override_options): Don't set mips_base_delayed_branch
5754 or flag_delayed_branch.
5756 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5758 PR rtl-optimization/38426.
5759 * ira.c (ira): Set current_function_is_leaf earlier.
5761 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5763 PR rtl-optimization/38722
5764 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5765 too early, only set a flag and modify after last possible
5768 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5771 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5772 * real.c (decimal_single_format): Correct values of emin and emax.
5773 (decimal_double_format): Ditto.
5774 (decimal_quad_format): Ditto.
5775 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5776 computation of DECnn_MIN and DECnn_MAX for corrected values of
5777 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5778 __DECnn_MIN__, and adjust its computation for the corrected value
5781 2009-01-06 Jan Hubicka <jh@suse.cz>
5784 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5786 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5788 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5789 Add Robert Clark to the list of testers.
5791 2009-01-06 Jan Hubicka <jh@suse.cz>
5792 Kai Tietz <kai.tietz@onevision.com>
5794 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5795 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5797 2009-01-06 Jan Hubicka <jh@suse.cz>
5798 Kai Tietz <kai.tietz@onevision.com>
5800 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5802 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5803 (ix86_nsaved_regs): Count only general purpose regs.
5804 (ix86_nsaved_sseregs): New.
5805 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5806 to 16 for w64; compute padding and size of sse reg save area.
5807 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5808 general purpose regs.
5809 (ix86_emit_save_sse_regs_using_mov): New.
5810 (ix86_expand_prologue): Save SSE regs if needed.
5811 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5812 (ix86_emit_restore_sse_regs_using_mov): New.
5813 (ix86_expand_epilogue): Save SSE regs if needed.
5815 2009-01-06 Jan Hubicka <jh@suse.cz>
5816 Kai Tietz <kai.tietz@onevision.com>
5818 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5819 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5820 functions when accumulate outgoing args is off.
5822 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5825 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5826 before using pseudos_have_intersected_live_ranges_p.
5828 * ira-int.h (ira_assert): Always define.
5830 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5832 AVX Programming Reference (December, 2008)
5833 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5834 (_mm256_permute2_pd): Likewise.
5835 (_mm_permute2_ps): Likewise.
5836 (_mm256_permute2_ps): Likewise.
5837 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5838 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5840 * config/i386/i386.c (ix86_builtins): Remove
5841 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5842 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5843 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5844 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5845 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5846 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5847 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5848 __builtin_ia32_vpermil2ps256.
5849 (ix86_init_mmx_sse_builtins): Updated.
5850 (ix86_expand_args_builtin): Likewise.
5852 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5854 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5855 long absolute calls when generating PA 2.0 code.
5857 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5859 PR rtl-optimization/38583
5860 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5862 * params.def (ira-max-conflict-table-size): New.
5864 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5866 * ira.h (ira_conflicts_p): New external definition.
5868 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5869 table. Report this. Return result of building.
5870 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5871 building conflict table.
5873 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5874 (ira_color): Use ira_conflicts_p.
5876 * global.c: Include ira.h.
5877 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5880 * Makefile.in (global.o): Add ira.h.
5882 * ira-build.c (mark_all_loops_for_removal,
5883 propagate_some_info_from_allocno): New.
5884 (remove_unnecessary_allocnos): Call
5885 propagate_some_info_from_allocno.
5886 (remove_low_level_allocnos): New.
5887 (remove_unnecessary_regions): Add parameter. Call
5888 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5889 parameter to remove_unnecessary_regions.
5890 (ira_build): Remove all regions but root if the conflict table was
5891 not built. Update conflict hard regs for allocnos crossing calls.
5893 * ira.c (ira_conflicts_p): New global.
5894 (ira): Define and use ira_conflicts_p.
5896 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5897 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5898 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5900 2009-01-06 Ben Elliston <bje@au.ibm.com>
5902 * gengtype-lex.l (YY_NO_INPUT): Define.
5904 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5907 * c-common.c (handle_vector_size_attribute): Also reject
5910 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5912 PR tree-optimization/38492
5913 * graphite.c (rename_map_elt, debug_rename_elt,
5914 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5915 rename_map_elt_info, eq_rename_map_elts,
5916 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5917 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5918 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5919 (sese_build_livein_liveouts): New.
5920 (new_sese, free_sese): New.
5921 (new_scop): Call new_sese.
5922 (free_scop): Call free_sese.
5923 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5924 (register_old_new_names): Renamed register_old_and_new_names.
5925 (register_scop_liveout_renames, add_loop_exit_phis,
5926 insert_loop_close_phis, struct igp,
5927 default_liveout_before_guard, add_guard_exit_phis,
5928 insert_guard_phis, copy_renames): New.
5929 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5930 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5931 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5932 (scop_adjust_phis_for_liveouts): New.
5933 (gloog): Call scop_adjust_phis_for_liveouts.
5935 * graphite.h (struct sese): Documented. Added fields liveout,
5937 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5938 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5939 (struct scop): Added field liveout_renames.
5940 (SCOP_LIVEOUT_RENAMES): New.
5942 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5944 PR tree-optimization/38510
5945 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5946 (translate_clast): Call recompute_all_dominators before
5948 (gloog): Call recompute_all_dominators before graphite_verify.
5950 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5951 Jan Sjodin <jan.sjodin@amd.com>
5953 PR tree-optimization/38500
5954 * graphite.c (create_sese_edges): Call fix_loop_structure after
5957 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5959 * config.gcc: Add m32r*-*-rtems*.
5960 * config/m32r/rtems.h: New file.
5962 2009-01-05 Ben Elliston <bje@au.ibm.com>
5964 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5965 (.po.pox): Likewise.
5966 (po/gcc.pot): Likewise.
5968 2009-01-04 David S. Miller <davem@davemloft.net>
5970 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5971 (STARTING_FRAME_OFFSET): Always set to zero.
5973 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5975 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5976 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5977 fixed-point types, and vectors of the same.
5979 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5981 * config/mips/sync.md (*mb_barrier): Rename to...
5982 (*memory_barrier): ...this.
5984 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5986 * doc/extend.texi (Function Attributes): Move @cindex after @item
5987 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5988 and put in alphabetical order. Fix 'target' name and put in order.
5989 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5992 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5994 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5995 (memory_barrier): Expand as unspec instead of unspec_volatile.
5996 Remove mem:BLK from insn operands. Use Pmode scratch register.
5997 (*memory_barrier): Define as unspec instead of unspec_volatile.
5998 Use (match_dup 0) as input operand.
6000 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6001 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6002 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6003 scratch register. Remove operand 1.
6004 (*stbar): Define as unspec instead of unspec_volatile.
6005 Use (match_dup 0) as input operand, remove (const_int 8).
6006 (*membar): Define as unspec instead of unspec_volatile.
6007 Use (match_dup 0) as input operand, remove input operand 2.
6009 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6010 (memory_barrier): Expand as unspec instead of unspec_volatile.
6011 Remove mem:BLK from insn operands. Use Pmode scratch register.
6012 (*memory_barrier): Define as unspec instead of unspec_volatile.
6013 Use (match_dup 0) as input operand.
6015 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6016 Remove mem:BLK from insn operands. Use Pmode scratch register.
6017 Set volatile flag on operand 0.
6018 (*memory_barrier): New insn pattern.
6020 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6022 (*memory_barrier): Use (match_dup 0) as input operand.
6024 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6025 Remove mem:BLK from insn operands. Use Pmode scratch register.
6026 Set volatile flag on operand 0.
6027 (*mb_internal): New insn pattern.
6029 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6031 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6034 * function.c (struct temp_slot): Move to the section of the file
6035 that deals with temp slots. Remove field 'address'.
6036 (temp_slot_address_table): New hash table of address -> temp slot.
6037 (struct temp_slot_address_entry): New struct, items for the table.
6038 (temp_slot_address_compute_hash, temp_slot_address_hash,
6039 temp_slot_address_eq, insert_temp_slot_address): Support functions
6041 (find_temp_slot_from_address): Rewrite to use the new hash table.
6042 (remove_unused_temp_slot_addresses): Remove addresses of temp
6043 slots that have been made available.
6044 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6045 worker function for remove_unused_temp_slot_addresses.
6046 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6047 Add the temp slot address to the address -> temp slot map.
6048 (update_temp_slot_address): Update via insert_temp_slot_address.
6049 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6050 (pop_temp_slots): Likewise.
6051 (init_temp_slots): Allocate the address -> temp slot map, or empty
6052 the map if it is already allocated.
6053 (prepare_function_start): Initialize temp slot processing.
6055 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6058 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6059 Calculate the size of all stack vars assuming no packing of stack
6060 vars will happen, replacing a quadratic algorithm with a linear one.
6062 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6065 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6068 2009-01-03 Diego Novillo <dnovillo@google.com>
6070 * doc/contrib.texi: Update contributions.
6072 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6075 * builtins.c (fold_builtin_memory_op): Give up if either operand
6076 is volatile. Set srctype or desttype to non-qualified version
6080 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6083 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6085 PR rtl-optimization/35805
6086 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6087 problem if fast dce is able to remove any instructions.
6088 * dce.c (dce_process_block): Fix dump message.
6090 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6093 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6095 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6098 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6099 * tree-pretty-print.c (op_code_prio): New function.
6100 (op_prio): No longer static. Use op_code_prio.
6101 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6102 Use op_prio and op_code_prio to determine if () should be
6103 printed around operand(s) or not.
6105 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6106 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6107 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6108 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6109 pp_character instead of pp_string for single letter printing.
6111 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6113 * doc/extend.texi: Fix '#pragma GCC option' typo.
6115 2009-01-02 Richard Guenther <rguenther@suse.de>
6117 * doc/install.texi (--enable-checking): Mention different
6119 (--enable-stage1-checking): Document.
6121 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6124 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6125 case to be an error.
6127 2009-01-02 Ben Elliston <bje@au.ibm.com>
6129 * config/fp-bit.h (pack_d): Constify argument.
6130 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6131 (isnan): Constify argument.
6135 (_fpadd_parts): Constify return type.
6136 (_fpmul_parts): Likewise.
6137 (_fpdiv_parts): Likewise.
6139 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6142 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6143 warn about overwriting initializer with side-effects or
6144 -Woverride-init if !IMPLICIT.
6145 (output_init_element): Likewise. Pass IMPLICIT down to
6147 (process_init_element): Add IMPLICIT argument. Pass it down
6148 to output_init_element.
6149 (push_init_element, pop_init_level, set_designator): Adjust
6150 process_init_element callers.
6151 (set_nonincremental_init, set_nonincremental_init_from_string):
6152 Adjust add_pending_init callers.
6153 (output_pending_init_elements): Adjust output_init_element callers.
6154 * c-tree.h (process_init_element): Adjust prototype.
6155 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6156 process_init_element callers.
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