1 2010-02-11 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/42998
4 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5 POINTER_PLUS_EXPR properly.
7 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8 Changpeng Fang <changpeng.fang@amd.com>
11 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
12 the cost of an IV candidate when the IV is used in a test against zero.
14 * gcc.dg/tree-ssa/ivopts-3.c: New.
16 2010-02-11 Richard Guenther <rguenther@suse.de>
19 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
20 pointer-vs-decl case by swapping refs. Handle some cases
21 of pointer-vs-decl disambiguations more conservatively.
22 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
23 to false after expanding.
25 2010-02-11 Richard Guenther <rguenther@suse.de>
28 * gcc.c (process_command): Handle LTO file@offset case more
31 2010-02-11 Jakub Jelinek <jakub@redhat.com>
33 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
34 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
36 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
38 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
39 if MEM's mode size isn't DWARF2_ADDR_SIZE.
40 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
41 Optimize eq/ne comparisons when both arguments are known to be
43 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
44 Don't mask operands unnecessarily if they are known to be already
47 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
49 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
52 2010-02-10 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/43017
55 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
56 for wrapping signed arithmetic.
58 2010-02-10 Jakub Jelinek <jakub@redhat.com>
61 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
62 if no debug info should be emitted for it.
64 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
66 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
67 note when flag_exceptions is set.
69 2010-02-10 Duncan Sands <baldrick@free.fr>
71 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
73 2010-02-10 Richard Guenther <rguenther@suse.de>
76 * tree.c (get_unwidened): Handle constants.
77 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
79 2010-02-10 Martin Jambor <mjambor@suse.cz>
82 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
83 check for variable argument counts independently.
85 2010-02-10 Christian Bruel <christian.bruel@st.com>
88 * config/sh/sh.c (find_barrier): Increase length for non delayed
91 2010-02-10 Christian Bruel <christian.bruel@st.com>
93 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
95 2010-02-10 Jakub Jelinek <jakub@redhat.com>
97 * builtins.c (set_builtin_user_assembler_name): Also handle
98 ffs if int is smaller than word.
100 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
103 * ira-conflicts.c (get_dup): Remove.
104 (process_reg_shuffles): Add new parameter. Use it as an
105 additional guard for copy generation.
106 (add_insn_allocno_copies): Rewrite.
108 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
110 * common.opt (fsched2-use-traces): Preserved for backward
112 * doc/invoke.texi: Remove the documentation about option
114 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
115 flag_sched2_use_traces.
116 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
117 the backward compatibility flag section.
119 2010-02-09 Richard Guenther <rguenther@suse.de>
121 PR tree-optimization/43008
122 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
123 make HEAP variables initialized from global memory if they
124 are not known builtin functions.
125 (find_func_aliases): Adjust.
127 2010-02-09 Richard Guenther <rguenther@suse.de>
129 PR tree-optimization/43000
130 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
133 2010-02-08 Jakub Jelinek <jakub@redhat.com>
135 PR tree-optimization/42931
136 * tree-loop-linear.c (try_interchange_loops): Don't call
137 double_int_mul if estimated_loop_iterations failed.
139 2010-02-08 Martin Jambor <mjambor@suse.cz>
142 * tree-sra.c (build_accesses_from_assign): Do not mark in
143 should_scalarize_away_bitmap if stmt has volatile ops.
144 (sra_modify_assign): Do not process assigns piecemeal if if stmt
147 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
149 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
151 2010-02-07 Adam Nemet <adambnmet@gmail.com>
153 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
156 2010-02-07 Andrew Pinski <pinskia@gmail.com>
159 * df-core.c (df_finish_pass): Change type of saved_flags to int.
161 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
164 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
165 to unknown_dependence.
166 (graphite_legal_transform_dr): Handle the unknown_dependence.
167 (graphite_carried_dependence_level_k): Same.
169 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
171 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
173 2010-02-07 Richard Guenther <rguenther@suse.de>
176 * expr.c (get_inner_reference): Always initialize *pbitsize.
178 2010-02-07 Richard Guenther <rguenther@suse.de>
181 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
182 new ARRAY_REFs on variable size element or minimal index arrays.
184 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
185 gimple_fold_indirect_ref.
187 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
190 * arm.c (arm_override_options): Just return if the user has specified
193 2010-02-03 Jason Merrill <jason@redhat.com>
196 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
197 i386_pe_maybe_record_exported_symbol.
199 2010-02-05 Steve Ellcey <sje@cup.hp.com>
202 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
203 (pa_delegitimize_address): New function.
205 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
207 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
208 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
210 2010-02-05 Richard Guenther <rguenther@suse.de>
213 * lto-streamer-in.c (get_resolution): Deal with references
214 to undefined functions.
216 2010-02-05 Richard Guenther <rguenther@suse.de>
218 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all
220 (fold_const_aggregate_ref): Likewise.
221 (ccp_fold_stmt): Substitute loads.
222 (maybe_fold_reference): Verify types before substituting.
224 (fold_gimple_assign): Unshare properly.
225 (fold_stmt_1): Insert conversion if necessary before replacing
228 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
230 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
231 for rs6000_gen_cell_microcode.
233 2010-02-04 Richard Guenther <rguenther@suse.de>
235 PR rtl-optimization/42952
236 * dse.c (const_or_frame_p): Remove MEM handling.
238 2010-02-04 Nick Clifton <nickc@redhat.com>
240 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
241 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
242 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
243 (mn10300_asm_output_mi_thunk): New function.
244 (mn10300_can_output_mu_thunk): New function.
245 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
246 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
247 (FUNCTION_ARG): Delete incorrect comment.
249 2010-02-03 Jason Merrill <jason@redhat.com>
252 * fold-const.c (operand_equal_p): Handle erroneous types.
254 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
256 * config/h8300/h8300.md (can_delay): Fix attibute condition.
258 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
260 PR rtl-optimization/42941
261 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
264 2010-02-03 Jason Merrill <jason@redhat.com>
267 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
269 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
272 * cselib.h (struct cselib_val_struct): Add uid. Rename value to
274 (cselib_reset_table): Renamed from...
275 (cselib_reset_table_with_next_value): ... this.
276 (cselib_get_next_uid): Renamed from...
277 (cselib_get_next_unknown_value): ... this.
278 * cselib.c (next_uid): Renamed from...
279 (next_unknown_value): ... this.
280 (cselib_clear_table): Adjust.
281 (cselib_reset_table): Adjust. Renamed from...
282 (cselib_reset_table_with_next_value): ... this.
283 (cselib_get_next_uid): Adjust. Renamed from...
284 (cselib_get_next_unknown_value): ... this.
285 (get_value_hash): Use hash.
286 (cselib_hash_rtx): Likewise.
287 (new_cselib_val): Adjust. Set and dump uid.
288 (cselib_lookup_mem): Pass next_uid as hash.
289 (cselib_subst_to_values): Likewise.
290 (cselib_log_lookup): Dump uid.
291 (cselib_lookup): Pass next_uid as hash. Adjust.
292 (cselib_process_insn): Adjust.
293 (cselib_init): Initialize next_uid.
294 (cselib_finish): Adjust.
295 (dump_cselib_table): Likewise.
296 * dse.c (canon_address): Dump value uid.
297 * print-rtl.c (print_rtx): Print value uid.
298 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
300 (dv_uid): New function, sort of renamed from...
301 (dv_htab_hash): ... this, reimplemented in terms of it and...
302 (dv_uid2hash): ... this. New.
303 (variable_htab_eq): Drop excess assertions.
304 (tie_break_pointers): Removed.
305 (canon_value_cmp): Compare uids.
306 (variable_post_merge_New_vals): Print uids.
307 (vt_add_function_parameters): Adjust.
308 (vt_initialize): Reset table. Adjust.
310 2010-02-03 Richard Guenther <rguenther@suse.de>
312 PR tree-optimization/42944
313 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
315 (call_may_clobber_ref_p_1): Likewise. Properly handle
316 malloc and calloc clobbering errno.
318 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
320 * doc/invoke.texi: Fix name of sched1 dump.
322 * opts.c (decode_options): Set flag_tree_switch_conversion
323 only conditionally on optimize >= 2.
325 * gcse.c: Assorted comment fixes in pass description.
327 2010-02-03 Anthony Green <green@moxielogic.com>
329 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
330 nop padding in order to maintain alignment of storage location of
331 target function address.
332 (moxie_trampoline_init): Store target function address at newly
334 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
336 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
338 2010-02-03 Richard Guenther <rguenther@suse.de>
341 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
343 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
345 * config.gcc: Reenable check for obsolete targets.
346 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
347 mips-sgi-irix6.[0-4]*.
349 2010-02-02 Nick Clifton <nickc@redhat.com>
351 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
352 constant size of 4 as being the same as 0.
353 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
354 can take values in the range 0..4.
356 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
359 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
360 as _darwin10_Unwind_FindEnclosingFunction().
361 * libgcc-libsystem.ver: New.
363 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
366 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
367 implicitly set registers.
369 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
371 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
372 (arm_override_options): Allow automatic selection of the thread
373 pointer register if thumb2.
374 (legitimize_pic_address): Improve code sequences for Thumb2.
375 (arm_call_tls_get_addr): Likewise.
376 (legitimize_tls_address): Likewise.
377 * arm.md (pic_load_addr_arm): Delete. Replace with ...
378 (pic_load_addr_32bit): ... this. New named pattern.
379 * thumb2.md (pic_load_addr_thumb2): Delete.
380 (pic_load_dot_plus_four): Delete.
381 (tls_load_dot_plus_four): New named pattern.
383 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
386 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
387 Document fix for TLS bug.
389 2010-01-31 Richard Guenther <rguenther@suse.de>
391 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
392 conservatively correct.
394 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
398 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
400 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
402 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
404 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
406 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
408 * config.gcc: Adjust order of makefile fragments for mingw targets.
410 2010-01-31 Richard Guenther <rguenther@suse.de>
413 * gimplify.c (gimplify_init_constructor): For volatile LHS
414 initialize a temporary.
416 2010-01-31 Matthias Klose <doko@ubuntu.com>
418 * configure.ac: Fix __stack_chk_fail check for cross builds configured
420 * configure: Regenerate.
422 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
424 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
425 the same alias set and their sizes different constantness.
426 (aliasing_component_refs_p): Revert 2009-10-24 change.
428 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
430 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
433 2010-01-29 Richard Guenther <rguenther@suse.de>
435 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
436 Assert we successfully updated the call.
438 2010-01-29 Jakub Jelinek <jakub@redhat.com>
440 PR rtl-optimization/42889
441 * df.h (df_set_bb_dirty_nonlr): New prototype.
442 * df-core.c (df_set_bb_dirty_nonlr): New function.
443 * df-scan.c (df_insn_rescan): Call it instead of
444 df_set_bb_dirty for DEBUG_INSNs.
446 2010-01-29 Richard Guenther <rguenther@suse.de>
449 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
450 quadratic behavior in most cases.
452 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
455 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
456 in the call to gen_x86_movsicc_0_m1.
458 2010-01-28 Richard Guenther <rguenther@suse.de>
460 PR tree-optimization/42871
461 * tree-ssa-pre.c (phi_translate_set): Make sure to retain
464 2010-01-28 Richard Guenther <rguenther@suse.de>
466 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
469 2010-01-28 Richard Guenther <rguenther@suse.de>
472 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
473 the forwarder if the destination is an EH landing pad.
475 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
477 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
478 block list passed to gimple_duplicate_sese_tail.
479 (parallelize_loops): Avoid parallelization when the function
481 Avoid parallelization when the preheader is IRREDUCIBLE.
482 Try to optimize when estimated_loop_iterations_int is unresolved.
483 Add the loop's location to the dump file.
484 * tree-cfg.c (add_phi_args_after_redirect): Remove.
485 (gimple_duplicate_sese_tail): Remove the check for the latch.
486 Redirect nexits to the exit block.
487 Remove handling of the incoming edges to the latch.
488 Redirect the backedge from the copied latch to the exit bb.
490 2010-01-28 Michael Matz <matz@suse.de>
493 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
494 Wrap force_reg into a sequence, emit it before user.
496 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
498 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
500 (arm_legacy_rev): Likewise.
501 (thumb_legacy_rev): Likewise.
503 2010-01-27 Jakub Jelinek <jakub@redhat.com>
505 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
506 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
507 on MEM's address failed, try avoid_constant_pool_reference and
508 recurse if it returned something different.
509 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
510 address, try avoid_constant_pool_reference and recurse if it
511 returned something different.
512 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
513 address and avoid_constant_pool_reference returned something
514 different, don't set have_address.
516 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
519 * var-tracking.c (val_store): Add modified argument, obey it.
521 (count_uses): Move down logging of main.
522 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
523 don't need resolution.
524 (emit_notes_in_bb): Likewise.
526 2010-01-27 Richard Guenther <rguenther@suse.de>
529 * tree-inline.c (remap_decl): Delay remapping of SSA name
530 default definitions until we need them.
532 2010-01-27 Jakub Jelinek <jakub@redhat.com>
534 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
535 (rs6000_delegitimize_address): New function.
537 * config/s390/s390.c (s390_delegitimize_address): Call
538 delegitimize_mem_from_attrs.
541 * tree-inline.c (cannot_copy_type_1): Removed.
542 (copy_forbidden): Don't forbid copying of functions containing
543 records/unions with variable length fields.
545 2010-01-27 Christian Bruel <christian.bruel@st.com>
549 * config/sh/sh.c (find_barrier): Increase length for non delayed
550 conditional branches.
552 2010-01-27 Matthias Klose <doko@ubuntu.com>
554 * configure.ac (gnu-unique-object): Fix ldd version check.
555 * configure: Regenerate.
557 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
559 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
561 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
562 Test for HAVE_GNU_AS value.
564 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
566 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
567 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
569 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
570 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
571 INT_LEAST64_TYPE): Define.
572 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
573 UINT_LEAST64_TYPE): Define.
574 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
575 INT_FAST64_TYPE): Define.
576 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
577 UINT_FAST64_TYPE): Define.
578 (INTMAX_TYPE, UINTMAX_TYPE): Define.
579 (INTPTR_TYPE, UINTPTR_TYPE): Define.
580 (SIG_ATOMIC_TYPE): Define.
582 2010-01-26 Richard Guenther <rguenther@suse.de>
584 * df-scan.c (df_scan_set_bb_info): Remove assert.
585 (df_insn_rescan_debug_internal): Merge asserts.
586 (df_install_ref): Likewise.
587 (df_mark_reg): Use bitmap_set_range.
588 (df_hard_reg_used_p): Remove assert.
589 (df_hard_reg_used_count): Likewise.
591 2010-01-26 Richard Guenther <rguenther@suse.de>
593 PR rtl-optimization/42685
594 * web.c (web_main): Ignore DEBUG_INSNs.
596 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
598 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
600 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
601 Fix types of fndecl and arglist parameters.
603 2010-01-26 Richard Guenther <rguenther@suse.de>
606 * tree-eh.c (unsplit_eh): Skip debug insns.
608 2010-01-26 Richard Guenther <rguenther@suse.de>
610 PR tree-optimization/42250
611 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
613 2010-01-26 Jakub Jelinek <jakub@redhat.com>
616 * omp-low.c (expand_omp_sections): Only use single_pred if
617 l2_bb is single_pred_p.
619 2010-01-25 Christian Bruel <christian.bruel@st.com>
622 * config/sh/sh.c (find_barrier): Increase length for non delayed
623 conditional branches.
624 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
626 2010-01-24 David S. Miller <davem@davemloft.net>
628 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
629 define if not using GAS.
630 * config/sparc/sparc.c (sparc_elf_asm_named_section):
631 Likewise. Delete SECTION_MERGE code, which is only applicable
634 2010-01-24 Mark Mitchell <mark@codesourcery.com>
637 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
638 mangling of va_list in system headers.
640 2010-01-23 Toon Moene <toon@moene.org>
642 * tree-predcom.c (combine_chains): Return NULL, not false.
644 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
646 * tree-loop-distribution.c (distribute_loop): Fix declaration and
647 initialization of variable res to agree with return type.
649 2010-01-22 Steve Ellcey <sje@cup.hp.com>
651 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
652 * tree-sra.c: Add include of expr.h.
654 2010-01-22 Jakub Jelinek <jakub@redhat.com>
656 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
657 insert the debug stmt on the single non-EH edge from the stmt.
659 2010-01-22 Richard Henderson <rth@redhat.com>
662 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
663 the RHS until after generate_subtree_copies has insertted its
664 code before the current statement.
666 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
668 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
670 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
672 2010-01-21 Martin Jambor <mjambor@suse.cz>
674 PR tree-optimization/42585
675 * tree-sra.c (struct access): New field grp_total_scalarization.
676 (dump_access): Dump the new field.
677 (should_scalarize_away_bitmap): New variable.
678 (cannot_scalarize_away_bitmap): Likewise.
679 (sra_initialize): Allocate new bitmaps.
680 (sra_deinitialize): Free new bitmaps.
681 (create_access_1): New function.
682 (create_access): Parts moved to create_access_1.
683 (type_consists_of_records_p): New function.
684 (completely_scalarize_record): Likewise.
685 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
686 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
687 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
689 (analyze_all_variable_accesses): Completely scalarize small eligible
692 2010-01-21 Martin Jambor <mjambor@suse.cz>
694 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
696 2010-01-21 Andrew Haley <aph@redhat.com>
698 * gcc.c (process_command): Move lang_specific_driver before
699 setting cc_libexec_prefix.
701 2010-01-21 Richard Guenther <rguenther@suse.de>
704 * fold-const.c (negate_expr_p): Pretend only negative
705 real constants are easily negatable.
707 2010-01-20 Janis Johnson <janis187@us.ibm.com>
708 Jason Merrill <jason@redhat.com>
710 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
711 (TYPE_TRANSPARENT_AGGR): this, for union and record.
712 * calls.c (initialize argument_information): Handle it.
713 * c-common.c (handle_transparent_union_attribute): Use new name.
714 * c-decl.c (finish_struct): Ditto.
715 * c-typeck.c (type_lists_compatible_p): Ditto.
716 (convert_for_assignment): Use new name and also handle record.
717 * function.c (aggregate_value_p): Handle it.
718 (pass_by_reference): Ditto.
719 (assign_parm_data_types): Ditto.
720 * print-tree.c (print_node): Ditto.
721 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
722 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
723 * tree.c (first_field): New fn.
725 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
728 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
729 even when linking statically, for now.
731 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
734 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
735 without a cselib val.
736 (count_uses): Accept MO_VAL_SET with no val on stores.
737 (add_stores): Likewise.
739 2010-01-20 Jakub Jelinek <jakub@redhat.com>
741 * var-tracking.c (check_value_val): Add a compile time assertion.
742 (dv_is_decl_p): Simplify.
743 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
744 gcc_assert if ENABLE_CHECKING.
746 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
749 * var-tracking.c: Include tree-flow.h.
750 (mem_dies_at_call): New.
751 (dataflow_set_preserve_mem_locs): Use it.
752 (dataflow_set_remove_mem_locs): Likewise.
753 (dump_var): Renamed from dump_variable. Adjust all callers.
754 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
755 * Makefile.in (var-tracking.o): Adjust deps.
757 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
759 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
761 2010-01-20 Richard Guenther <rguenther@suse.de>
763 PR tree-optimization/42717
764 * tree-ssa-dce.c (get_live_post_dom): Remove.
765 (forward_edge_to_pdom): Take an arbitrary edge to copy
766 degenerate PHI args from.
767 (remove_dead_stmt): Use the first post-dominator even if it
768 does not contain live statements as redirection destination.
770 2010-01-20 Richard Guenther <rguenther@suse.de>
772 * tree-inline.c (estimate_num_insns): Handle EH builtins.
774 2010-01-20 Jakub Jelinek <jakub@redhat.com>
776 * sel-sched.c (create_speculation_check): Remove set but not used
778 (try_transformation_cache): Remove set but not used variable ds.
779 (calculate_privileged_insns): Remove set but not used variables
780 cur_insn and min_spec_insn.
781 (find_best_expr): Remove set but not used variable avail_n.
782 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
784 * cgraphunit.c (assemble_thunk): Remove set but not used variable
786 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
787 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
790 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
793 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
794 cpu types. Add support for *-sse3 cpu types.
797 2010-01-20 Jakub Jelinek <jakub@redhat.com>
800 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
801 argument, call initializer_constant_valid_p_1 instead of
802 initializer_constant_valid_p, pass CACHE to it, return NULL
803 immediately if first call returns NULL.
804 (initializer_constant_valid_p_1): New function.
805 (initializer_constant_valid_p): Use it.
807 2010-01-20 Thomas Quinot <quinot@adacore.com>
809 * tree.def (PLACEHOLDER_EXPR): Fix comment.
811 2010-01-20 Jakub Jelinek <jakub@redhat.com>
813 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
814 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
815 (loc_list_from_tree): Don't handle unsigned division. Handle
816 signed modulo using DW_OP_{over,over,div,mul,minus}.
817 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
818 modulo instead of signed.
820 2010-01-20 DJ Delorie <dj@redhat.com>
822 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
824 (h8300_emit_stack_adjustment): Propogate it.
826 (h8300_expand_prologue): Likewise.
827 (h8300_expand_epilogue): Likewise.
829 2010-01-19 Michael Matz <matz@suse.de>
831 PR tree-optimization/41783
832 * tree-data-ref.c (toplevel): Include flags.h.
833 (dump_data_dependence_relation): Also dump the inputs if the
834 result will be unknown.
835 (split_constant_offset_1): Look through some conversions.
836 * tree-predcom.c (determine_roots_comp): Restart a new chain if
837 the offset from last element is too large.
838 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
839 (reassociate_to_the_same_stmt): Handle vector registers.
840 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
842 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
843 wide_prolog_niters argument, emit widening instructions.
844 (vect_do_peeling_for_alignment): Adjust caller, use widened
845 variant of the iteration cound.
846 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
848 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
851 * config/arm/neon-testgen.m (emit_automatics): New parameter
852 features. Adjust for Fixed_return_reg feature.
853 (test_intrinsic): Call emit_automatics with new feature.
854 * config/arm/neon.ml: Update copyright years.
855 (features): New Fixed_return_reg feature.
856 (ops): Update feature for Vget_low.
858 2010-01-19 Jakub Jelinek <jakub@redhat.com>
860 PR tree-optimization/42719
861 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
865 * fwprop.c (all_uses_available_at): Return false if def_set dest
866 is a REG that is used in def_insn.
868 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
870 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
872 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
875 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
877 * target.h (struct gcc_target) <secondary_reload>: Change type
878 of last argument to secondary_reload_info *.
880 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
883 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
884 memory references with unaligned offsets. Remove CQImode handling.
885 (unaligned_memory_operand): Return 1 for memory references with
886 unaligned offsets. Remove CQImode handling.
888 2010-01-18 Richard Guenther <rguenther@suse.de>
891 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
894 2010-01-18 Richard Guenther <rguenther@suse.de>
896 PR tree-optimization/42781
897 * tree-ssa-structalias.c (find_what_var_points_to): Skip
898 restrict processing only if the original variable was
901 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
903 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
904 find number of popped argument bytes.
906 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
907 Fix the text that describes the return value for invalid insns.
909 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
911 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
912 Clarify what 'cost of the -dependence' is. Fix quoting.
914 * toplev.c (default_get_pch_validity): Rename argument to "sz".
915 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
917 2010-01-17 Jakub Jelinek <jakub@redhat.com>
919 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
920 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
922 2010-01-17 Richard Guenther <rguenther@suse.de>
925 * function.c (split_complex_args): Take a VEC to modify.
926 (assign_parms_augmented_arg_list): Build a VEC instead of
927 a chain of PARM_DECLs.
928 (assign_parms_unsplit_complex): Take a VEC of arguments.
929 Do not fixup unmodified parms.
930 (assign_parms): Deal with the VEC.
931 (gimplify_parameters): Likewise.
933 2010-01-17 Richard Guenther <rguenther@suse.de>
935 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
936 node existence check.
937 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
938 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
939 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
940 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
941 (gimple_execute_on_growing_pred): Likewise.
943 2010-01-17 Richard Guenther <rguenther@suse.de>
945 PR tree-optimization/42773
946 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
947 (compute_antic_aux): Likewise.
948 (compute_partial_antic_aux): Likewise.
950 2010-01-17 Jie Zhang <jie.zhang@analog.com>
953 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
956 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
958 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
961 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
962 Fix markup for strict argument.
964 (TARGET_SCHED_REORDER2): Fix argument types.
966 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
967 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
969 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
970 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
972 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
975 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
976 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
977 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
978 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
979 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
981 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
983 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
985 (TARGET_ASM_RELOC_RW_MASK): Add return type.
986 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
988 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
990 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
993 (TARGET_ASM_NAMED_SECTION): Fix argument list.
995 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
996 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
998 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
1000 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
1002 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
1003 referring to it. Fix language.
1005 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
1007 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
1009 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
1011 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
1013 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
1014 '@var{stream}. Remove stray 'and'.
1016 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
1018 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
1020 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
1022 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
1023 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
1025 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
1026 Fix description of return value.
1027 Rename argument "sz" to "len."
1029 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
1030 Clarify meaning of 'true' return value.
1032 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
1034 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
1035 rep_mode versus mode_rep.
1037 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
1039 (TARGET_BUILTIN_DECL): Fix name.
1041 (TARGET_COMMUTATIVE_P): Fix type of first argument.
1043 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
1045 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
1047 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
1049 (TARGET_RELAXED_ORDERING): Use @deftypevr.
1051 (TARGET_GET_DRAP_RTX): Note that this is a hook.
1054 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
1055 Rename argument tm_fn to md_fn.
1057 (TARGET_OPTION_PRINT): Fix argument list.
1059 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
1062 * config/i386/i386.c (ix86_fixup_binary_operands):
1063 Revert FMA4 fixup of operands.
1065 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1068 * Makefile.in (write_entries_to_file, install-plugin):
1069 Use \012 instead of \n with tr.
1071 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
1073 * configure.ac (HAVE_AS_REF): New C macro.
1074 * configure: Regenerate.
1075 * config.in: Likewise.
1076 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
1078 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
1081 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
1083 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
1085 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
1087 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
1089 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
1091 (TARGET_IN_SMALL_DATA_P): Fix argument type.
1093 (TARGET_BINDS_LOCAL_P): Fix argument type.
1095 (TARGET_ASM_FILE_END): Use prototype.
1097 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
1099 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
1101 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
1103 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
1105 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
1106 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
1108 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
1109 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
1111 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
1112 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
1113 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
1114 (TARGET_ADDR_SPACE_CONVERT): Likewise.
1116 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
1118 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
1120 (TARGET_INIT_BUILTINS): Use prototype.
1122 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1123 Put 'const char *' in braces. Fix parameter types.
1124 (TARGET_INVALID_CONVERSION): Fix parameter types.
1125 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
1126 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
1128 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
1131 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
1133 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
1135 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
1137 * doc/tm.texi (TARGET_HELP): Fix return type.
1139 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
1140 in braces. Fix argument types.
1142 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
1144 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
1146 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
1148 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
1149 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
1151 (TARGET_MANGLE_TYPE): Fix argument types.
1153 (TARGET_IRA_COVER_CLASSES): Use prototype.
1155 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
1157 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
1159 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
1161 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
1163 (TARGET_CALLEE_COPIES): Fix argument types.
1165 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
1167 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
1169 (TARGET_FUNCTION_VALUE): Fix argument types.
1171 (TARGET_RETURN_IN_MSB): Fix argument type.
1173 (TARGET_RETURN_IN_MEMORY): Fix argument types.
1175 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
1177 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
1179 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
1180 agree with return type.
1182 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
1184 2010-01-15 Jing Yu <jingyu@google.com>
1186 PR rtl-optimization/42691
1187 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
1188 a pseudo to a constant and are merged, and adjust comments.
1190 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
1192 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
1194 2010-01-15 Richard Guenther <rguenther@suse.de>
1197 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
1198 labels of computed or non-local gotos to the destination.
1199 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
1200 landing pad label is the first label.
1202 2010-01-15 Richard Guenther <rguenther@suse.de>
1204 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
1206 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1209 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
1210 to allow generation of the xssqrtdp instruction on power7.
1211 (sqrtdf2_fpr): Ditto.
1213 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1216 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
1217 functions with noreturn attribute.
1220 * varasm.c (declare_weak): Add weak attribute to decl if it
1221 doesn't have one already.
1222 (assemble_external): Only add decls to weak_decls if they also
1223 have weak attribute.
1225 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
1227 * var-tracking.c (var_reg_delete): Don't delete the association
1228 between REGs and values or one-part variables if the register
1231 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1234 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
1235 because its first operand is a non-localized variable.
1237 2010-01-14 Martin Jambor <mjambor@suse.cz>
1239 PR tree-optimization/42706
1240 * tree-sra.c (encountered_recursive_call): New variable.
1241 (encountered_unchangable_recursive_call): Likewise.
1242 (sra_initialize): Initialize both new variables.
1243 (callsite_has_enough_arguments_p): New function.
1244 (scan_function): Call decl and flags check only for IPA-SRA, check
1245 whether there is a recursive call and whether it has enough arguments.
1246 (all_callers_have_enough_arguments_p): New function.
1247 (convert_callers): Look for recursive calls only when
1248 encountered_recursive_call is set.
1249 (ipa_early_sra): Bail out either if
1250 !all_callers_have_enough_arguments_p or
1251 encountered_unchangable_recursive_call.
1253 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1255 * sel-sched.c: Add 2010 to copyright years.
1256 * sel-sched-ir.c: Likewise.
1257 * sel-sched-ir.h: Likewise.
1259 2010-01-14 Martin Jambor <mjambor@suse.cz>
1261 PR tree-optimization/42714
1262 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
1263 constructors specially.
1265 2010-01-14 Andi Kleen <ak@linux.intel.com>
1267 * config/i386/drivers-i386.c (detect_caches_intel):
1268 Add l2sizekb parameter and fill in.
1269 (host_detect_local_cpu): Add l2sizekb, fill in.
1270 Add Atom small cache heuristic.
1272 2010-01-14 Andi Kleen <ak@linux.intel.com>
1274 * config/i386/drivers-i386.c (detect_caches_cpuid4):
1275 Add level3 parameter and fill in.
1276 (detect_caches_intel): Handle level3 cache.
1278 2010-01-14 Andi Kleen <ak@linux.intel.com>
1280 * config/i386/drivers-i386.c (host_detect_local_cpu):
1281 Fix core duo detection.
1283 2010-01-14 Andi Kleen <ak@linux.intel.com>
1285 * config/i386/drivers-i386.c (host_detect_local_cpu):
1288 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1290 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
1291 (rs6000_variable_issue_1): this. Use...
1292 (rs6000_variable_issue): here. Reimplement. Print debug info.
1294 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1296 * sel-sched-ir.c (sel_restore_other_notes): Rename to
1297 sel_restore_notes. Update all callers. Call reemit_notes
1300 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1302 PR rtl-optimization/42246
1303 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
1306 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1308 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
1309 all successors is the same as number of successors in current region.
1311 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1313 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
1314 to rename is not separable. Otherwise check that its LHS is not NULL.
1316 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1318 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
1320 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1322 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
1323 available registers when failed to discover LHS register class.
1324 Fix indentation. Update comment.
1326 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1327 Alexander Monakov <amonakov@ispras.ru>
1329 PR rtl-optimization/42389
1330 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
1332 (advance_state_on_fence): Likewise.
1333 (sel_target_adjust_priority): Print debug output only when
1334 sched_verbose >= 4, not 2.
1335 (get_expr_cost): Do not issue all unique insns on the next cycle.
1336 (fill_insns): Initialize can_issue_more from the value saved
1338 * sel-sched-ir.c (flist_add): New parameter issue_more.
1339 Init FENCE_ISSUE_MORE with it.
1340 (merge_fences): Likewise.
1341 (init_fences): Update call to flist_add.
1342 (add_to_fences, add_clean_fence_to_fences)
1343 (add_dirty_fence_to_fences): Likewise.
1344 (move_fence_to_fences): Update call to merge_fences.
1345 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
1347 * sel-sched-ir.h (struct _fence): New field issue_more.
1348 (FENCE_ISSUE_MORE): New accessor macro.
1350 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1352 PR rtl-optimization/42388
1353 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
1354 that have no predecessors nor successors. Do not call move_bb_info
1355 for empty blocks outside of current region.
1357 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1359 PR rtl-optimization/42294
1360 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
1361 * sel-sched.c (move_exprs_to_boundary): Transitively add all
1362 originators' originators.
1364 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1366 PR rtl-optimization/39453
1367 PR rtl-optimization/42246
1368 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
1370 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
1372 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1373 Alexander Monakov <amonakov@ispras.ru>
1376 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
1377 (maybe_tidy_empty_bb): ... here. Make static. Add new
1378 argument. Update all callers.
1379 (tidy_control_flow): ... and here. Recompute topological order
1380 of basic blocks in region if necessary.
1381 (sel_redirect_edge_and_branch): Change return type. Return true
1382 if topological order might have been invalidated.
1383 (purge_empty_blocks): Export and move from...
1384 * sel-sched.c (purge_empty_blocks): ... here.
1385 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
1386 (maybe_tidy_empty_bb): Delete prototype.
1387 (purge_empty_blocks): Declare.
1389 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1391 PR rtl-optimization/42249
1392 * sel-sched.c (try_replace_dest_reg): When chosen register
1393 and original register is the same, do not bail out early, but
1394 still check all original insns for validity of replacing destination
1395 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
1398 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1401 Port from no-undefined-overflow branch:
1402 2009-03-09 Richard Guenther <rguenther@suse.de>
1404 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
1406 2010-01-14 Richard Guenther <rguenther@suse.de>
1409 * gimple.c (iterative_hash_gimple_type): Avoid hashing
1412 2010-01-14 Ira Rosen <irar@il.ibm.com>
1414 PR tree-optimization/42709
1415 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
1416 as scalar type in creation of constant vector operand.
1418 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1421 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
1422 (check-parallel-%): Match `testsuite' directory component only
1425 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
1427 PR translation/39521
1428 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
1431 2010-01-13 Richard Guenther <rguenther@suse.de>
1433 PR tree-optimization/42730
1434 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
1437 2010-01-13 Steve Ellcey <sje@cup.hp.com>
1440 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
1441 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
1444 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
1446 * config/bfin/libgcc-bfin.ver: Regenerate based on current
1447 libgcc-std.ver. Add entries for ___smulsi3_highpart and
1448 ___umulsi3_highpart.
1450 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
1451 rather than schedule_insns if the pass is enabled.
1453 2010-01-13 Martin Jambor <mjambor@suse.cz>
1455 PR tree-optimization/42704
1456 * tree-sra.c (sra_modify_assign): Do not delete assignments to
1459 2010-01-13 Martin Jambor <mjambor@suse.cz>
1461 PR tree-optimization/42703
1462 * tree-sra.c (analyze_access_subtree): Check that we can build a
1463 reference to the original data within the aggregate.
1465 2010-01-13 Richard Guenther <rguenther@suse.de>
1467 PR tree-optimization/42705
1468 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after
1471 2010-01-13 Richard Guenther <rguenther@suse.de>
1474 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
1476 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1479 * var-tracking.c (values_to_unmark): New variable.
1480 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1481 values_to_unmark vector. Moved body to...
1482 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1483 instead queue it into values_to_unmark vector.
1484 (vt_find_locations): Free values_to_unmark vector.
1486 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
1488 * config/s390/s390.c (override_options): Set
1489 default of max-pending-list-length to 256
1491 2010-01-13 Richard Guenther <rguenther@suse.de>
1494 * tree-pass.h (PROP_gimple_lcx): New.
1495 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
1496 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
1497 before the final cleanup_eh.
1498 (dump_properties): Dump PROP_gimple_lcx.
1499 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
1500 (tree_lower_complex_O0): Remove.
1501 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
1502 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
1503 tree_lower_complex, schedule TODO_update_ssa.
1504 * lto-streamer-out.c (output_function): Stream the functions
1506 * lto-streamer-in.c (input_function): Likewise.
1507 (lto_read_body): Do not override them here.
1509 2010-01-12 Joseph Myers <joseph@codesourcery.com>
1512 * c-typeck.c (build_c_cast): Fold value cast to union type before
1513 wrapping it in a CONSTRUCTOR.
1515 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1517 PR rtl-optimization/42699
1518 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
1521 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1523 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1524 SUBTARGET_WARN_UNUSED_SPEC): Move ...
1525 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1526 SUBTARGET_WARN_UNUSED_SPEC): ... here
1527 * config/mips/iris5.h (LIBGCC_SPEC): Define.
1529 2010-01-12 Julian Brown <julian@codesourcery.com>
1531 * config/arm/neon-schedgen.ml (Utils): Don't try to
1532 open missing module.
1533 (find_with_result): New.
1535 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1538 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
1539 sharing when canonicalizing ({lt,ge}u (plus a b) b).
1541 PR tree-optimization/42645
1542 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
1543 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
1544 decl_map, set processing_debug_stmt to -1 and return name without
1547 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
1549 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
1550 binutils version, and reword target configuration description.
1552 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1554 * config/avr/avr.h (LINKER_NAME): Remove.
1556 2010-01-11 Janis Johnson <janis187@us.ibm.com>
1559 * config/rs6000/rs6000.c (rs6000_override_options): On targets
1560 that support VSX, warn for -mno-altivec if vsx is not disabled,
1563 2010-01-11 Joseph Myers <joseph@codesourcery.com>
1564 Shujing Zhao <pearly.zhao@oracle.com>
1566 PR translation/42469
1567 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
1568 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
1569 character between option name and help text.
1570 * c.opt (imultilib): Likewise.
1572 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
1574 * lto-streamer-out.c (output_unreferenced_globals): Output static
1577 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
1579 PR rtl-optimization/42621
1580 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
1581 optimizing for size.
1582 (duplicate_computed_gotos): Remove now-redundant check.
1584 2010-01-10 Steve Ellcey <sje@cup.hp.com>
1587 * configure.ac: Save and restore LDFLAGS and LIBS
1588 * configure: Regenerate.
1590 2010-01-10 Richard Guenther <rguenther@suse.de>
1593 * builtins.c (fold_builtin_strlen): Add type argument and
1594 convert the resulting length to it.
1595 (fold_builtin_1): Adjust.
1597 2010-01-09 Jakub Jelinek <jakub@redhat.com>
1599 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
1600 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
1602 (num_insns_constant_wide): Adjust for that change.
1604 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1607 * web.c (union_defs): Add used argument, to combine uses of
1609 (entry_register): Adjust type and tests of used argument.
1610 (web_main): Widen used for new use. Pass it to union_defs.
1611 * df.h (union_defs): Adjust prototype.
1613 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1616 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
1617 uses in new incoming argument. Free body.
1618 (reset_debug_uses_in_loop): New.
1619 (analyze_insn_to_expand_var): Call the latter if the former found
1620 anything. Fix whitespace. Reject invalid dest overlaps before
1621 going through all insns in the loop.
1623 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1626 * haifa-sched.c (dying_use_p): Debug insns don't count.
1628 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1631 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
1632 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
1633 (verify_gimple_call): Reject LHS in noreturn calls.
1635 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1639 * tree-vect-loop-manip.c (adjust_info): New type.
1640 (adjust_vec): New pointer to vector.
1641 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
1642 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
1643 (slpeel_update_phis_for_duplicate_loop): Use them.
1644 (slpeel_update_phi_nodes_for_guard1): Likewise.
1645 (slpeel_update_phi_nodes_for_guard2): Likewise.
1646 (slpeel_tree_peel_loop_to_edge): Likewise.
1647 (vect_update_ivs_after_vectorizer): Likewise.
1649 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1651 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
1652 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
1654 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1656 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
1657 bogus uninitialized warning.
1659 2010-01-09 Richard Guenther <rguenther@suse.de>
1662 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
1663 the evolution is compatible with the initial condition.
1665 2010-01-09 Jakub Jelinek <jakub@redhat.com>
1667 * gcc.c (process_command): Update copyright notice dates.
1668 * gcov.c (print_version): Likewise.
1669 * gcov-dump.c (print_version): Likewise.
1670 * mips-tfile.c (main): Likewise.
1671 * mips-tdump.c (main): Likewise.
1673 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1676 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
1678 (rotlhi3_8): Delete.
1680 (rotlsi3_8): Delete.
1681 (rotlsi3_16): Delete.
1682 (rotlsi3_24): Delete.
1684 (*rotw<mode>3): New.
1685 (*rotb<mode>3): New.
1686 * config/avr/avr.c (avr_rotate_bytes): New function.
1687 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
1689 2010-01-08 Steve Ellcey <sje@cup.hp.com>
1692 * configure.ac: Modify -rdynamic check.
1693 * configure: Regenerate.
1695 2010-01-08 DJ Delorie <dj@redhat.com>
1697 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
1698 register popping order.
1700 2010-01-08 Richard Guenther <rguenther@suse.de>
1703 * c.opt (fsigned-char): Also let LTO handle this option.
1704 (funsigned-char): Likewise.
1706 2010-01-07 Richard Guenther <rguenther@suse.de>
1708 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
1709 (gimple_op): Likewise.
1710 (gimple_op_ptr): Likewise.
1711 (gimple_assign_set_lhs): Remove gcc_assert.
1712 (gimple_assign_set_rhs1): Likewise.
1713 (gimple_assign_set_rhs2): Likewise.
1714 (gimple_call_set_lhs): Likewise.
1715 (gimple_call_set_fn): Likewise.
1716 (gimple_call_set_fndecl): Likewise.
1717 (gimple_call_fndecl): Likewise.
1718 (gimple_call_return_type): Likewise.
1719 (gimple_call_set_chain): Likewise.
1720 (gimple_call_num_args): Likewise.
1721 (gimple_call_set_arg): Likewise.
1722 (gimple_cond_set_code): Likewise.
1723 (gimple_cond_set_lhs): Likewise.
1724 (gimple_cond_set_rhs): Likewise.
1725 (gimple_cond_set_true_label): Likewise.
1726 (gimple_cond_set_false_label): Likewise.
1727 (gimple_label_set_label): Likewise.
1728 (gimple_goto_set_dest): Likewise.
1729 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
1730 (gimple_debug_bind_get_value): Likewise.
1731 (gimple_debug_bind_get_value_ptr): Likewise.
1732 (gimple_debug_bind_set_var): Likewise.
1733 (gimple_debug_bind_set_value): Likewise.
1734 (gimple_debug_bind_reset_value): Likewise.
1735 (gimple_debug_bind_has_value_p): Likewise.
1736 (gimple_return_retval_ptr): Remove gcc_assert.
1737 (gimple_return_retval): Likewise.
1738 (gimple_return_set_retval): Likewise.
1739 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
1740 (safe_referenced_var_iterator): Remove.
1741 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
1742 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
1743 (fill_referenced_var_vec): Remove.
1744 (first_readonly_imm_use): Remove redundant gcc_assert.
1745 (phi_arg_index_from_use): Combine gcc_asserts.
1746 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
1747 (first_imm_use_stmt): Remove redundant gcc_assert.
1748 * tree-cfg.c (verify_gimple_call): Verify function and chain
1749 operands. Verify arguments.
1750 (verify_types_in_gimple_stmt): Verify condition code and labels.
1752 2010-01-07 Richard Guenther <rguenther@suse.de>
1754 PR tree-optimization/42641
1755 * sese.c (rename_map_elt_info): Use the SSA name version, do
1758 2010-01-07 Jakub Jelinek <jakub@redhat.com>
1760 PR tree-optimization/42625
1761 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
1762 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body
1765 2010-01-07 Duncan Sands <baldrick@free.fr>
1767 * Makefile.in (PLUGIN_HEADERS): Add version.h.
1769 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
1772 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
1773 note itself is not function_invariant_p.
1775 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
1777 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
1778 Do not add the DF_NOTE problem.
1779 * store-motion.c (execute_rtl_store_motion): Likewise.
1781 2010-01-07 Martin Jambor <mjambor@suse.cz>
1783 PR tree-optimization/42157
1784 * tree-sra.c (compare_access_positions): Stabilize sort if both
1785 accesses have integer types, return zero immediately if they are the
1788 2010-01-06 Richard Henderson <rth@redhat.com>
1791 * haifa-sched.c (add_to_note_list): Merge into ...
1792 (concat_note_lists): ... here, and ...
1793 (unlink_other_notes, rm_other_notes): Merge into...
1794 (remove_notes): ... here. Create REG_SAVE_NOTEs for
1795 NOTE_INSN_EPILOGUE_BEG.
1797 2010-01-06 Richard Guenther <rguenther@suse.de>
1799 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
1800 not inline regular functions into always-inline functions.
1802 2010-01-06 Nick Clifton <nickc@redhat.com>
1804 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
1805 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
1807 (OVERRIDE_OPTIONS): Delete.
1808 (OPTIMIZATION_OPTIONS): Define.
1809 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
1810 * config/rx/rx.c (rx_handle_option): Issue an error message if
1811 -mcpu=rx200 and -fpu are used together.
1812 (rx_set_optimization_options): New function. Issue an error
1813 message if an optimization attribute attempts to reset the FPU/
1814 math optimization pairing.
1815 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
1816 * config/rx/rx.opt: Set the default to 32-bit doubles.
1817 * config/rx/t-rx: Add multilibs for -nofpu option.
1818 * doc/invoke.texi: Update documentation of RX options.
1820 2010-01-06 Richard Guenther <rguenther@suse.de>
1822 * tree-ssa-pre.c (name_to_id): New global.
1823 (alloc_expression_id): Simplify SSA name handling.
1824 (lookup_expression_id): Likewise.
1825 (init_pre): Zero name_to_id.
1826 (fini_pre): Free it.
1828 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
1830 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
1832 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
1835 * config/i386/sse.md (smaxv2di3): New.
1836 (umaxv2di3): Likewise.
1837 (sminv2di3): Likewise.
1838 (uminv2di3): Likewise.
1840 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
1843 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
1844 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
1845 (legitimize_tls_address): Likewise.
1846 (sparc_tls_referenced_p): Likewise.
1847 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
1848 and adjust calls to legitimize_pic_address.
1849 (legitimate_constant_p) Use sparc_tls_referenced_p.
1850 (legitimate_pic_operand_p): Likewise.
1851 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
1852 (sparc_tls_symbol_ref_1): Delete.
1853 (sparc_tls_referenced_p): Make static, recognize specific patterns.
1854 (legitimize_tls_address): Make static, handle CONST patterns.
1855 (legitimize_pic_address): Make static, remove unused parameter and
1856 adjust recursive calls.
1857 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
1858 and adjust call to legitimize_pic_address.
1859 (sparc_output_mi_thunk): Likewise.
1861 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
1862 H.J. Lu <hongjiu.lu@intel.com>
1865 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
1866 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
1867 operands to make them signed.
1870 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1873 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
1874 GTU to GT for V4SI and V2DI.
1876 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
1877 (umin<mode>3): Removed.
1879 (uminv4si3): Likewise.
1881 2010-01-05 Martin Jambor <mjambor@suse.cz>
1883 PR tree-optimization/42462
1884 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
1885 current_function_decl to helper functions and macros.
1887 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1890 * flags.h: Don't include real.h.
1891 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
1892 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
1893 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
1894 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
1895 * dominance.c: Update copyright.
1896 * gimple.c (walk_gimple_op): Remove inline.
1897 * tree-ssa-reassoc.c: Include real.h.
1898 * Makefile.in (FLAGS_H): Remove $(REAL_H).
1899 (tree-ssa-reassoc.o): Depend on $(REAL_H).
1901 2010-01-05 Nick Clifton <nickc@redhat.com>
1903 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
1904 register to push into the stack frame when the accumulator has to
1905 be saved during interrupts.
1907 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
1909 * doc/invoke.texi: Remove the documentation about option
1911 * common.opt (Wunreachable-code): Preserved for backward
1913 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
1914 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
1915 the backward compatibility flag section.
1917 2010-01-05 Richard Guenther <rguenther@suse.de>
1919 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
1921 2010-01-05 Jakub Jelinek <jakub@redhat.com>
1924 * cfgexpand.c (expand_one_var): Diagnose too large variables.
1926 PR tree-optimization/42508
1927 * tree-sra.c (convert_callers): Check for recursive call
1928 by comparing cgraph nodes instead of decls.
1929 (modify_function): Call ipa_modify_formal_parameters also
1930 on all same_body aliases.
1932 * cgraphunit.c (cgraph_materialize_all_clones): Compare
1933 cgraph nodes when checking for same_body aliases.
1935 2010-01-05 Richard Guenther <rguenther@suse.de>
1937 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
1938 allocation and lookup.
1939 (get_or_alloc_expr_for_constant): Likewise.
1940 (phi_translate): Sink allocation.
1942 2010-01-04 Richard Guenther <rguenther@suse.de>
1944 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
1945 a new entry only if needed.
1946 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
1947 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
1949 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
1951 (phi_translate): Handle CONSTANTs early.
1953 2010-01-04 Martin Jambor <mjambor@suse.cz>
1955 PR tree-optimization/42398
1956 * tree-sra.c (struct access): Removed flag grp_different_types.
1957 (dump_access): Do not dump the removed flag.
1958 (sort_and_splice_var_accesses): Do not set the removed flag.
1959 (sra_modify_expr): Check for type compatibility directly.
1961 2010-01-04 Martin Jambor <mjambor@suse.cz>
1963 PR tree-optimization/42366
1964 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
1965 edges with variable number of parameters.
1966 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
1967 flag instead of asserting it.
1968 (ipa_read_node_info): Read uses_analysis_done flag.
1970 2010-01-04 Richard Guenther <rguenther@suse.de>
1972 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
1973 iterative_hash_* as intended.
1974 (vn_reference_compute_hash): Likewise. Simplify hashing
1976 (vn_reference_lookup_2): Likewise.
1977 (vn_nary_op_compute_hash): Likewise.
1978 (vn_phi_compute_hash): Likewise.
1979 (expressions_equal_p): Remove strange code.
1980 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
1981 (pre_expr_hash): Likewise. Simplify hashing SSA names.
1982 (bitmap_insert_into_set_1): Take value-id as parameter.
1983 (add_to_value): Pass it.
1984 (bitmap_insert_into_set): Likewise.
1985 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
1987 2010-01-04 Jakub Jelinek <jakub@redhat.com>
1990 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
1991 (do_self_spec): For switches with SWITCH_IGNORE set set also
1992 SWITCH_IGNORE_PERMANENTLY.
1993 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
1996 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
1998 * lto-streamer-out.c (output_unreferenced_globals): Output the full
1999 tree of an unreferenced global var.
2001 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2004 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2005 GTU to GT for V4SI and V2DI.
2007 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2008 (umin<mode>3): Removed.
2010 (uminv4si3): Likewise.
2012 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2015 * collect2.c (main): Turn on trace in collect2 if -v is passed
2018 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
2020 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
2021 description of expression operand.
2023 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
2025 * configure.ac: Add install-html to target_list for Make-hooks.
2026 * configure: Regenerate.
2027 * fortran/Make-lang.in (F95_HTMLFILES): New.
2028 (fortran.html): Use it.
2029 (fortran.install-html): New.
2030 * Makefile.in (install-html): Add lang.install-html.
2031 * java/Make-lang.in (JAVA_HTMLFILES): New.
2032 (java.html): Use it.
2033 (java.install-html): New.
2034 * objc/Make-lang.in (objc.install-html): New.
2035 * objcp/Make-lang.in (obj-c++.install-html): New.
2036 * cp/Make-lang.in (c++.install-html): New.
2037 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
2038 * lto/Make-lang.in (lto.install-html): New.
2040 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2043 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
2045 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
2047 PR rtl-optimization/41862
2048 * store-motion.c (store_killed_in_insn, compute_store_table,
2049 remove_reachable_equiv_notes, replace_store_insn,
2050 build_store_vectors): Ignore all DEBUG_INSNs.
2052 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
2055 * common.opt: Add dumpdir.
2057 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
2059 (option_map): Add --dumpdir.
2061 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
2063 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
2065 * opts.c (decode_options): Try dump_dir_name first if
2066 dump_base_name isn't an absolute path.
2067 (common_handle_option): Handle OPT_dumpdir.
2069 * toplev.c (dump_dir_name): New.
2070 (print_switch_values): Also ignore -dumpdir.
2072 * toplev.h (dump_dir_name): New.
2074 2010-01-03 Richard Guenther <rguenther@suse.de>
2076 PR tree-optimization/42589
2077 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
2078 double-word expansion of bswap32.
2080 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
2082 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
2083 with BLOCK_FOR_INSN.
2084 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
2085 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
2086 noce_process_if_block): Likewise.
2087 * gcse.c (compute_local_properties, insert_expr_in_table,
2088 insert_set_in_table, canon_list_insert, find_avail_set,
2089 pre_insert_copy_insn): Likewise.
2091 * basic-block.h (BLOCK_NUM): Move from here...
2092 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
2094 2010-01-03 Richard Guenther <rguenther@suse.de>
2096 PR tree-optimization/42438
2097 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
2098 contains_may_not_return_call flag.
2099 (BB_MAY_NOTRETURN): New.
2100 (valid_in_sets): Trapping nary operations are not valid
2101 in blocks that may not return.
2102 (insert_into_preds_of_block): Remove check for trapping
2104 (compute_avail): Compute also BB_MAY_NOTRETURN.
2106 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
2108 * doc/invoke.texi: Add 2010 to copyright years.
2110 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
2112 * config/sparc/sparc.c: Fix formatting nits.
2114 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
2115 Alexander Monakov <amonakov@ispras.ru>
2117 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
2119 2010-01-02 Richard Guenther <rguenther@suse.de>
2122 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
2123 (simplify_switch_using_ranges): Mark to be removed edges
2126 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2128 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2130 * collect2.c (scan_libraries): Add missing argument in call to
2133 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
2136 * config/alpha/predicates.md (aligned_memory_operand): Return false
2138 (unaligned_memory_operand): Return true for CQImode.
2139 * config/alpha/alpha.c (get_aligned_mem): Assert that location
2140 doesn not cross aligned SImode word boundary.
2142 2010-01-02 Anatoly Sokolov <aesok@post.ru>
2144 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
2146 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
2147 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
2149 2010-01-02 Richard Guenther <rguenther@suse.de>
2152 * toplev.c (compile_file): Emit LTO marker properly. Change
2154 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
2156 2010-01-01 Richard Guenther <rguenther@suse.de>
2159 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
2161 2010-01-01 Richard Guenther <rguenther@suse.de>
2164 * c-decl.c (grokdeclarator): For zero-size arrays force
2165 structural equality checks as layout_type does.
2167 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2169 * builtins.c: Update copyright to 2010.
2171 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
2174 * lto-streamer-out.c (produce_asm): Revert the last change.
2175 (copy_function): Likewise.
2177 * lto-streamer.c (lto_get_section_name): Skip any leading
2180 2010-01-01 Richard Guenther <rguenther@suse.de>
2183 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
2187 Copyright (C) 2010 Free Software Foundation, Inc.
2189 Copying and distribution of this file, with or without modification,
2190 are permitted in any medium without royalty provided the copyright
2191 notice and this notice are preserved.