1 2010-02-05 Richard Guenther <rguenther@suse.de>
4 * lto-streamer-in.c (get_resolution): Deal with references
5 to undefined functions.
7 2010-02-05 Richard Guenther <rguenther@suse.de>
9 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all
11 (fold_const_aggregate_ref): Likewise.
12 (ccp_fold_stmt): Substitute loads.
13 (maybe_fold_reference): Verify types before substituting.
15 (fold_gimple_assign): Unshare properly.
16 (fold_stmt_1): Insert conversion if necessary before replacing
19 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
21 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
22 for rs6000_gen_cell_microcode.
24 2010-02-04 Richard Guenther <rguenther@suse.de>
26 PR rtl-optimization/42952
27 * dse.c (const_or_frame_p): Remove MEM handling.
29 2010-02-04 Nick Clifton <nickc@redhat.com>
31 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
32 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
33 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
34 (mn10300_asm_output_mi_thunk): New function.
35 (mn10300_can_output_mu_thunk): New function.
36 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
37 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
38 (FUNCTION_ARG): Delete incorrect comment.
40 2010-02-03 Jason Merrill <jason@redhat.com>
43 * fold-const.c (operand_equal_p): Handle erroneous types.
45 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
47 * config/h8300/h8300.md (can_delay): Fix attibute condition.
49 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
51 PR rtl-optimization/42941
52 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
55 2010-02-03 Jason Merrill <jason@redhat.com>
58 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
60 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
63 * cselib.h (struct cselib_val_struct): Add uid. Rename value to
65 (cselib_reset_table): Renamed from...
66 (cselib_reset_table_with_next_value): ... this.
67 (cselib_get_next_uid): Renamed from...
68 (cselib_get_next_unknown_value): ... this.
69 * cselib.c (next_uid): Renamed from...
70 (next_unknown_value): ... this.
71 (cselib_clear_table): Adjust.
72 (cselib_reset_table): Adjust. Renamed from...
73 (cselib_reset_table_with_next_value): ... this.
74 (cselib_get_next_uid): Adjust. Renamed from...
75 (cselib_get_next_unknown_value): ... this.
76 (get_value_hash): Use hash.
77 (cselib_hash_rtx): Likewise.
78 (new_cselib_val): Adjust. Set and dump uid.
79 (cselib_lookup_mem): Pass next_uid as hash.
80 (cselib_subst_to_values): Likewise.
81 (cselib_log_lookup): Dump uid.
82 (cselib_lookup): Pass next_uid as hash. Adjust.
83 (cselib_process_insn): Adjust.
84 (cselib_init): Initialize next_uid.
85 (cselib_finish): Adjust.
86 (dump_cselib_table): Likewise.
87 * dse.c (canon_address): Dump value uid.
88 * print-rtl.c (print_rtx): Print value uid.
89 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
91 (dv_uid): New function, sort of renamed from...
92 (dv_htab_hash): ... this, reimplemented in terms of it and...
93 (dv_uid2hash): ... this. New.
94 (variable_htab_eq): Drop excess assertions.
95 (tie_break_pointers): Removed.
96 (canon_value_cmp): Compare uids.
97 (variable_post_merge_New_vals): Print uids.
98 (vt_add_function_parameters): Adjust.
99 (vt_initialize): Reset table. Adjust.
101 2010-02-03 Richard Guenther <rguenther@suse.de>
103 PR tree-optimization/42944
104 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
106 (call_may_clobber_ref_p_1): Likewise. Properly handle
107 malloc and calloc clobbering errno.
109 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
111 * doc/invoke.texi: Fix name of sched1 dump.
113 * opts.c (decode_options): Set flag_tree_switch_conversion
114 only conditionally on optimize >= 2.
116 * gcse.c: Assorted comment fixes in pass description.
118 2010-02-03 Anthony Green <green@moxielogic.com>
120 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
121 nop padding in order to maintain alignment of storage location of
122 target function address.
123 (moxie_trampoline_init): Store target function address at newly
125 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
127 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
129 2010-02-03 Richard Guenther <rguenther@suse.de>
132 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
134 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
136 * config.gcc: Reenable check for obsolete targets.
137 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
138 mips-sgi-irix6.[0-4]*.
140 2010-02-02 Nick Clifton <nickc@redhat.com>
142 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
143 constant size of 4 as being the same as 0.
144 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
145 can take values in the range 0..4.
147 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
150 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
151 as _darwin10_Unwind_FindEnclosingFunction().
152 * libgcc-libsystem.ver: New.
154 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
157 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
158 implicitly set registers.
160 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
162 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
163 (arm_override_options): Allow automatic selection of the thread
164 pointer register if thumb2.
165 (legitimize_pic_address): Improve code sequences for Thumb2.
166 (arm_call_tls_get_addr): Likewise.
167 (legitimize_tls_address): Likewise.
168 * arm.md (pic_load_addr_arm): Delete. Replace with ...
169 (pic_load_addr_32bit): ... this. New named pattern.
170 * thumb2.md (pic_load_addr_thumb2): Delete.
171 (pic_load_dot_plus_four): Delete.
172 (tls_load_dot_plus_four): New named pattern.
174 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
177 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
178 Document fix for TLS bug.
180 2010-01-31 Richard Guenther <rguenther@suse.de>
182 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
183 conservatively correct.
185 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
189 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
191 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
193 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
197 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
199 * config.gcc: Adjust order of makefile fragments for mingw targets.
201 2010-01-31 Richard Guenther <rguenther@suse.de>
204 * gimplify.c (gimplify_init_constructor): For volatile LHS
205 initialize a temporary.
207 2010-01-31 Matthias Klose <doko@ubuntu.com>
209 * configure.ac: Fix __stack_chk_fail check for cross builds configured
211 * configure: Regenerate.
213 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
215 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
216 the same alias set and their sizes different constantness.
217 (aliasing_component_refs_p): Revert 2009-10-24 change.
219 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
221 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
224 2010-01-29 Richard Guenther <rguenther@suse.de>
226 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
227 Assert we successfully updated the call.
229 2010-01-29 Jakub Jelinek <jakub@redhat.com>
231 PR rtl-optimization/42889
232 * df.h (df_set_bb_dirty_nonlr): New prototype.
233 * df-core.c (df_set_bb_dirty_nonlr): New function.
234 * df-scan.c (df_insn_rescan): Call it instead of
235 df_set_bb_dirty for DEBUG_INSNs.
237 2010-01-29 Richard Guenther <rguenther@suse.de>
240 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
241 quadratic behavior in most cases.
243 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
246 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
247 in the call to gen_x86_movsicc_0_m1.
249 2010-01-28 Richard Guenther <rguenther@suse.de>
251 PR tree-optimization/42871
252 * tree-ssa-pre.c (phi_translate_set): Make sure to retain
255 2010-01-28 Richard Guenther <rguenther@suse.de>
257 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
260 2010-01-28 Richard Guenther <rguenther@suse.de>
263 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
264 the forwarder if the destination is an EH landing pad.
266 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
268 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
269 block list passed to gimple_duplicate_sese_tail.
270 (parallelize_loops): Avoid parallelization when the function
272 Avoid parallelization when the preheader is IRREDUCIBLE.
273 Try to optimize when estimated_loop_iterations_int is unresolved.
274 Add the loop's location to the dump file.
275 * tree-cfg.c (add_phi_args_after_redirect): Remove.
276 (gimple_duplicate_sese_tail): Remove the check for the latch.
277 Redirect nexits to the exit block.
278 Remove handling of the incoming edges to the latch.
279 Redirect the backedge from the copied latch to the exit bb.
281 2010-01-28 Michael Matz <matz@suse.de>
284 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
285 Wrap force_reg into a sequence, emit it before user.
287 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
289 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
291 (arm_legacy_rev): Likewise.
292 (thumb_legacy_rev): Likewise.
294 2010-01-27 Jakub Jelinek <jakub@redhat.com>
296 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
297 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
298 on MEM's address failed, try avoid_constant_pool_reference and
299 recurse if it returned something different.
300 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
301 address, try avoid_constant_pool_reference and recurse if it
302 returned something different.
303 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
304 address and avoid_constant_pool_reference returned something
305 different, don't set have_address.
307 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
310 * var-tracking.c (val_store): Add modified argument, obey it.
312 (count_uses): Move down logging of main.
313 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
314 don't need resolution.
315 (emit_notes_in_bb): Likewise.
317 2010-01-27 Richard Guenther <rguenther@suse.de>
320 * tree-inline.c (remap_decl): Delay remapping of SSA name
321 default definitions until we need them.
323 2010-01-27 Jakub Jelinek <jakub@redhat.com>
325 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
326 (rs6000_delegitimize_address): New function.
328 * config/s390/s390.c (s390_delegitimize_address): Call
329 delegitimize_mem_from_attrs.
332 * tree-inline.c (cannot_copy_type_1): Removed.
333 (copy_forbidden): Don't forbid copying of functions containing
334 records/unions with variable length fields.
336 2010-01-27 Christian Bruel <christian.bruel@st.com>
340 * config/sh/sh.c (find_barrier): Increase length for non delayed
341 conditional branches.
343 2010-01-27 Matthias Klose <doko@ubuntu.com>
345 * configure.ac (gnu-unique-object): Fix ldd version check.
346 * configure: Regenerate.
348 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
350 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
352 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
353 Test for HAVE_GNU_AS value.
355 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
357 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
358 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
360 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
361 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
362 INT_LEAST64_TYPE): Define.
363 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
364 UINT_LEAST64_TYPE): Define.
365 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
366 INT_FAST64_TYPE): Define.
367 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
368 UINT_FAST64_TYPE): Define.
369 (INTMAX_TYPE, UINTMAX_TYPE): Define.
370 (INTPTR_TYPE, UINTPTR_TYPE): Define.
371 (SIG_ATOMIC_TYPE): Define.
373 2010-01-26 Richard Guenther <rguenther@suse.de>
375 * df-scan.c (df_scan_set_bb_info): Remove assert.
376 (df_insn_rescan_debug_internal): Merge asserts.
377 (df_install_ref): Likewise.
378 (df_mark_reg): Use bitmap_set_range.
379 (df_hard_reg_used_p): Remove assert.
380 (df_hard_reg_used_count): Likewise.
382 2010-01-26 Richard Guenther <rguenther@suse.de>
384 PR rtl-optimization/42685
385 * web.c (web_main): Ignore DEBUG_INSNs.
387 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
389 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
391 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
392 Fix types of fndecl and arglist parameters.
394 2010-01-26 Richard Guenther <rguenther@suse.de>
397 * tree-eh.c (unsplit_eh): Skip debug insns.
399 2010-01-26 Richard Guenther <rguenther@suse.de>
401 PR tree-optimization/42250
402 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
404 2010-01-26 Jakub Jelinek <jakub@redhat.com>
407 * omp-low.c (expand_omp_sections): Only use single_pred if
408 l2_bb is single_pred_p.
410 2010-01-25 Christian Bruel <christian.bruel@st.com>
413 * config/sh/sh.c (find_barrier): Increase length for non delayed
414 conditional branches.
415 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
417 2010-01-24 David S. Miller <davem@davemloft.net>
419 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
420 define if not using GAS.
421 * config/sparc/sparc.c (sparc_elf_asm_named_section):
422 Likewise. Delete SECTION_MERGE code, which is only applicable
425 2010-01-24 Mark Mitchell <mark@codesourcery.com>
428 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
429 mangling of va_list in system headers.
431 2010-01-23 Toon Moene <toon@moene.org>
433 * tree-predcom.c (combine_chains): Return NULL, not false.
435 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
437 * tree-loop-distribution.c (distribute_loop): Fix declaration and
438 initialization of variable res to agree with return type.
440 2010-01-22 Steve Ellcey <sje@cup.hp.com>
442 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
443 * tree-sra.c: Add include of expr.h.
445 2010-01-22 Jakub Jelinek <jakub@redhat.com>
447 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
448 insert the debug stmt on the single non-EH edge from the stmt.
450 2010-01-22 Richard Henderson <rth@redhat.com>
453 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
454 the RHS until after generate_subtree_copies has insertted its
455 code before the current statement.
457 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
459 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
461 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
463 2010-01-21 Martin Jambor <mjambor@suse.cz>
465 PR tree-optimization/42585
466 * tree-sra.c (struct access): New field grp_total_scalarization.
467 (dump_access): Dump the new field.
468 (should_scalarize_away_bitmap): New variable.
469 (cannot_scalarize_away_bitmap): Likewise.
470 (sra_initialize): Allocate new bitmaps.
471 (sra_deinitialize): Free new bitmaps.
472 (create_access_1): New function.
473 (create_access): Parts moved to create_access_1.
474 (type_consists_of_records_p): New function.
475 (completely_scalarize_record): Likewise.
476 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
477 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
478 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
480 (analyze_all_variable_accesses): Completely scalarize small eligible
483 2010-01-21 Martin Jambor <mjambor@suse.cz>
485 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
487 2010-01-21 Andrew Haley <aph@redhat.com>
489 * gcc.c (process_command): Move lang_specific_driver before
490 setting cc_libexec_prefix.
492 2010-01-21 Richard Guenther <rguenther@suse.de>
495 * fold-const.c (negate_expr_p): Pretend only negative
496 real constants are easily negatable.
498 2010-01-20 Janis Johnson <janis187@us.ibm.com>
499 Jason Merrill <jason@redhat.com>
501 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
502 (TYPE_TRANSPARENT_AGGR): this, for union and record.
503 * calls.c (initialize argument_information): Handle it.
504 * c-common.c (handle_transparent_union_attribute): Use new name.
505 * c-decl.c (finish_struct): Ditto.
506 * c-typeck.c (type_lists_compatible_p): Ditto.
507 (convert_for_assignment): Use new name and also handle record.
508 * function.c (aggregate_value_p): Handle it.
509 (pass_by_reference): Ditto.
510 (assign_parm_data_types): Ditto.
511 * print-tree.c (print_node): Ditto.
512 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
513 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
514 * tree.c (first_field): New fn.
516 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
519 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
520 even when linking statically, for now.
522 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
525 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
526 without a cselib val.
527 (count_uses): Accept MO_VAL_SET with no val on stores.
528 (add_stores): Likewise.
530 2010-01-20 Jakub Jelinek <jakub@redhat.com>
532 * var-tracking.c (check_value_val): Add a compile time assertion.
533 (dv_is_decl_p): Simplify.
534 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
535 gcc_assert if ENABLE_CHECKING.
537 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
540 * var-tracking.c: Include tree-flow.h.
541 (mem_dies_at_call): New.
542 (dataflow_set_preserve_mem_locs): Use it.
543 (dataflow_set_remove_mem_locs): Likewise.
544 (dump_var): Renamed from dump_variable. Adjust all callers.
545 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
546 * Makefile.in (var-tracking.o): Adjust deps.
548 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
550 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
552 2010-01-20 Richard Guenther <rguenther@suse.de>
554 PR tree-optimization/42717
555 * tree-ssa-dce.c (get_live_post_dom): Remove.
556 (forward_edge_to_pdom): Take an arbitrary edge to copy
557 degenerate PHI args from.
558 (remove_dead_stmt): Use the first post-dominator even if it
559 does not contain live statements as redirection destination.
561 2010-01-20 Richard Guenther <rguenther@suse.de>
563 * tree-inline.c (estimate_num_insns): Handle EH builtins.
565 2010-01-20 Jakub Jelinek <jakub@redhat.com>
567 * sel-sched.c (create_speculation_check): Remove set but not used
569 (try_transformation_cache): Remove set but not used variable ds.
570 (calculate_privileged_insns): Remove set but not used variables
571 cur_insn and min_spec_insn.
572 (find_best_expr): Remove set but not used variable avail_n.
573 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
575 * cgraphunit.c (assemble_thunk): Remove set but not used variable
577 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
578 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
581 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
584 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
585 cpu types. Add support for *-sse3 cpu types.
588 2010-01-20 Jakub Jelinek <jakub@redhat.com>
591 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
592 argument, call initializer_constant_valid_p_1 instead of
593 initializer_constant_valid_p, pass CACHE to it, return NULL
594 immediately if first call returns NULL.
595 (initializer_constant_valid_p_1): New function.
596 (initializer_constant_valid_p): Use it.
598 2010-01-20 Thomas Quinot <quinot@adacore.com>
600 * tree.def (PLACEHOLDER_EXPR): Fix comment.
602 2010-01-20 Jakub Jelinek <jakub@redhat.com>
604 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
605 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
606 (loc_list_from_tree): Don't handle unsigned division. Handle
607 signed modulo using DW_OP_{over,over,div,mul,minus}.
608 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
609 modulo instead of signed.
611 2010-01-20 DJ Delorie <dj@redhat.com>
613 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
615 (h8300_emit_stack_adjustment): Propogate it.
617 (h8300_expand_prologue): Likewise.
618 (h8300_expand_epilogue): Likewise.
620 2010-01-19 Michael Matz <matz@suse.de>
622 PR tree-optimization/41783
623 * tree-data-ref.c (toplevel): Include flags.h.
624 (dump_data_dependence_relation): Also dump the inputs if the
625 result will be unknown.
626 (split_constant_offset_1): Look through some conversions.
627 * tree-predcom.c (determine_roots_comp): Restart a new chain if
628 the offset from last element is too large.
629 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
630 (reassociate_to_the_same_stmt): Handle vector registers.
631 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
633 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
634 wide_prolog_niters argument, emit widening instructions.
635 (vect_do_peeling_for_alignment): Adjust caller, use widened
636 variant of the iteration cound.
637 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
639 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
642 * config/arm/neon-testgen.m (emit_automatics): New parameter
643 features. Adjust for Fixed_return_reg feature.
644 (test_intrinsic): Call emit_automatics with new feature.
645 * config/arm/neon.ml: Update copyright years.
646 (features): New Fixed_return_reg feature.
647 (ops): Update feature for Vget_low.
649 2010-01-19 Jakub Jelinek <jakub@redhat.com>
651 PR tree-optimization/42719
652 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
656 * fwprop.c (all_uses_available_at): Return false if def_set dest
657 is a REG that is used in def_insn.
659 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
661 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
663 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
666 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
668 * target.h (struct gcc_target) <secondary_reload>: Change type
669 of last argument to secondary_reload_info *.
671 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
674 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
675 memory references with unaligned offsets. Remove CQImode handling.
676 (unaligned_memory_operand): Return 1 for memory references with
677 unaligned offsets. Remove CQImode handling.
679 2010-01-18 Richard Guenther <rguenther@suse.de>
682 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
685 2010-01-18 Richard Guenther <rguenther@suse.de>
687 PR tree-optimization/42781
688 * tree-ssa-structalias.c (find_what_var_points_to): Skip
689 restrict processing only if the original variable was
692 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
694 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
695 find number of popped argument bytes.
697 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
698 Fix the text that describes the return value for invalid insns.
700 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
702 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
703 Clarify what 'cost of the -dependence' is. Fix quoting.
705 * toplev.c (default_get_pch_validity): Rename argument to "sz".
706 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
708 2010-01-17 Jakub Jelinek <jakub@redhat.com>
710 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
711 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
713 2010-01-17 Richard Guenther <rguenther@suse.de>
716 * function.c (split_complex_args): Take a VEC to modify.
717 (assign_parms_augmented_arg_list): Build a VEC instead of
718 a chain of PARM_DECLs.
719 (assign_parms_unsplit_complex): Take a VEC of arguments.
720 Do not fixup unmodified parms.
721 (assign_parms): Deal with the VEC.
722 (gimplify_parameters): Likewise.
724 2010-01-17 Richard Guenther <rguenther@suse.de>
726 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
727 node existence check.
728 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
729 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
730 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
731 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
732 (gimple_execute_on_growing_pred): Likewise.
734 2010-01-17 Richard Guenther <rguenther@suse.de>
736 PR tree-optimization/42773
737 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
738 (compute_antic_aux): Likewise.
739 (compute_partial_antic_aux): Likewise.
741 2010-01-17 Jie Zhang <jie.zhang@analog.com>
744 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
747 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
749 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
752 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
753 Fix markup for strict argument.
755 (TARGET_SCHED_REORDER2): Fix argument types.
757 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
758 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
760 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
761 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
763 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
766 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
767 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
768 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
769 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
770 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
772 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
774 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
776 (TARGET_ASM_RELOC_RW_MASK): Add return type.
777 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
779 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
781 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
784 (TARGET_ASM_NAMED_SECTION): Fix argument list.
786 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
787 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
789 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
791 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
793 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
794 referring to it. Fix language.
796 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
798 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
800 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
802 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
804 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
805 '@var{stream}. Remove stray 'and'.
807 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
809 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
811 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
813 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
814 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
816 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
817 Fix description of return value.
818 Rename argument "sz" to "len."
820 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
821 Clarify meaning of 'true' return value.
823 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
825 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
826 rep_mode versus mode_rep.
828 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
830 (TARGET_BUILTIN_DECL): Fix name.
832 (TARGET_COMMUTATIVE_P): Fix type of first argument.
834 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
836 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
838 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
840 (TARGET_RELAXED_ORDERING): Use @deftypevr.
842 (TARGET_GET_DRAP_RTX): Note that this is a hook.
845 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
846 Rename argument tm_fn to md_fn.
848 (TARGET_OPTION_PRINT): Fix argument list.
850 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
853 * config/i386/i386.c (ix86_fixup_binary_operands):
854 Revert FMA4 fixup of operands.
856 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
859 * Makefile.in (write_entries_to_file, install-plugin):
860 Use \012 instead of \n with tr.
862 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
864 * configure.ac (HAVE_AS_REF): New C macro.
865 * configure: Regenerate.
866 * config.in: Likewise.
867 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
869 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
872 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
874 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
876 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
878 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
880 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
882 (TARGET_IN_SMALL_DATA_P): Fix argument type.
884 (TARGET_BINDS_LOCAL_P): Fix argument type.
886 (TARGET_ASM_FILE_END): Use prototype.
888 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
890 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
892 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
894 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
896 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
897 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
899 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
900 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
902 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
903 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
904 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
905 (TARGET_ADDR_SPACE_CONVERT): Likewise.
907 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
909 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
911 (TARGET_INIT_BUILTINS): Use prototype.
913 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
914 Put 'const char *' in braces. Fix parameter types.
915 (TARGET_INVALID_CONVERSION): Fix parameter types.
916 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
917 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
919 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
922 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
924 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
926 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
928 * doc/tm.texi (TARGET_HELP): Fix return type.
930 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
931 in braces. Fix argument types.
933 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
935 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
937 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
939 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
940 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
942 (TARGET_MANGLE_TYPE): Fix argument types.
944 (TARGET_IRA_COVER_CLASSES): Use prototype.
946 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
948 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
950 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
952 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
954 (TARGET_CALLEE_COPIES): Fix argument types.
956 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
958 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
960 (TARGET_FUNCTION_VALUE): Fix argument types.
962 (TARGET_RETURN_IN_MSB): Fix argument type.
964 (TARGET_RETURN_IN_MEMORY): Fix argument types.
966 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
968 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
970 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
971 agree with return type.
973 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
975 2010-01-15 Jing Yu <jingyu@google.com>
977 PR rtl-optimization/42691
978 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
979 a pseudo to a constant and are merged, and adjust comments.
981 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
983 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
985 2010-01-15 Richard Guenther <rguenther@suse.de>
988 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
989 labels of computed or non-local gotos to the destination.
990 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
991 landing pad label is the first label.
993 2010-01-15 Richard Guenther <rguenther@suse.de>
995 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
997 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1000 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
1001 to allow generation of the xssqrtdp instruction on power7.
1002 (sqrtdf2_fpr): Ditto.
1004 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1007 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
1008 functions with noreturn attribute.
1011 * varasm.c (declare_weak): Add weak attribute to decl if it
1012 doesn't have one already.
1013 (assemble_external): Only add decls to weak_decls if they also
1014 have weak attribute.
1016 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
1018 * var-tracking.c (var_reg_delete): Don't delete the association
1019 between REGs and values or one-part variables if the register
1022 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1025 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
1026 because its first operand is a non-localized variable.
1028 2010-01-14 Martin Jambor <mjambor@suse.cz>
1030 PR tree-optimization/42706
1031 * tree-sra.c (encountered_recursive_call): New variable.
1032 (encountered_unchangable_recursive_call): Likewise.
1033 (sra_initialize): Initialize both new variables.
1034 (callsite_has_enough_arguments_p): New function.
1035 (scan_function): Call decl and flags check only for IPA-SRA, check
1036 whether there is a recursive call and whether it has enough arguments.
1037 (all_callers_have_enough_arguments_p): New function.
1038 (convert_callers): Look for recursive calls only when
1039 encountered_recursive_call is set.
1040 (ipa_early_sra): Bail out either if
1041 !all_callers_have_enough_arguments_p or
1042 encountered_unchangable_recursive_call.
1044 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1046 * sel-sched.c: Add 2010 to copyright years.
1047 * sel-sched-ir.c: Likewise.
1048 * sel-sched-ir.h: Likewise.
1050 2010-01-14 Martin Jambor <mjambor@suse.cz>
1052 PR tree-optimization/42714
1053 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
1054 constructors specially.
1056 2010-01-14 Andi Kleen <ak@linux.intel.com>
1058 * config/i386/drivers-i386.c (detect_caches_intel):
1059 Add l2sizekb parameter and fill in.
1060 (host_detect_local_cpu): Add l2sizekb, fill in.
1061 Add Atom small cache heuristic.
1063 2010-01-14 Andi Kleen <ak@linux.intel.com>
1065 * config/i386/drivers-i386.c (detect_caches_cpuid4):
1066 Add level3 parameter and fill in.
1067 (detect_caches_intel): Handle level3 cache.
1069 2010-01-14 Andi Kleen <ak@linux.intel.com>
1071 * config/i386/drivers-i386.c (host_detect_local_cpu):
1072 Fix core duo detection.
1074 2010-01-14 Andi Kleen <ak@linux.intel.com>
1076 * config/i386/drivers-i386.c (host_detect_local_cpu):
1079 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1081 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
1082 (rs6000_variable_issue_1): this. Use...
1083 (rs6000_variable_issue): here. Reimplement. Print debug info.
1085 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1087 * sel-sched-ir.c (sel_restore_other_notes): Rename to
1088 sel_restore_notes. Update all callers. Call reemit_notes
1091 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1093 PR rtl-optimization/42246
1094 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
1097 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1099 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
1100 all successors is the same as number of successors in current region.
1102 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1104 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
1105 to rename is not separable. Otherwise check that its LHS is not NULL.
1107 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1109 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
1111 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1113 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
1114 available registers when failed to discover LHS register class.
1115 Fix indentation. Update comment.
1117 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1118 Alexander Monakov <amonakov@ispras.ru>
1120 PR rtl-optimization/42389
1121 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
1123 (advance_state_on_fence): Likewise.
1124 (sel_target_adjust_priority): Print debug output only when
1125 sched_verbose >= 4, not 2.
1126 (get_expr_cost): Do not issue all unique insns on the next cycle.
1127 (fill_insns): Initialize can_issue_more from the value saved
1129 * sel-sched-ir.c (flist_add): New parameter issue_more.
1130 Init FENCE_ISSUE_MORE with it.
1131 (merge_fences): Likewise.
1132 (init_fences): Update call to flist_add.
1133 (add_to_fences, add_clean_fence_to_fences)
1134 (add_dirty_fence_to_fences): Likewise.
1135 (move_fence_to_fences): Update call to merge_fences.
1136 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
1138 * sel-sched-ir.h (struct _fence): New field issue_more.
1139 (FENCE_ISSUE_MORE): New accessor macro.
1141 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1143 PR rtl-optimization/42388
1144 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
1145 that have no predecessors nor successors. Do not call move_bb_info
1146 for empty blocks outside of current region.
1148 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1150 PR rtl-optimization/42294
1151 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
1152 * sel-sched.c (move_exprs_to_boundary): Transitively add all
1153 originators' originators.
1155 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
1157 PR rtl-optimization/39453
1158 PR rtl-optimization/42246
1159 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
1161 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
1163 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1164 Alexander Monakov <amonakov@ispras.ru>
1167 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
1168 (maybe_tidy_empty_bb): ... here. Make static. Add new
1169 argument. Update all callers.
1170 (tidy_control_flow): ... and here. Recompute topological order
1171 of basic blocks in region if necessary.
1172 (sel_redirect_edge_and_branch): Change return type. Return true
1173 if topological order might have been invalidated.
1174 (purge_empty_blocks): Export and move from...
1175 * sel-sched.c (purge_empty_blocks): ... here.
1176 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
1177 (maybe_tidy_empty_bb): Delete prototype.
1178 (purge_empty_blocks): Declare.
1180 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
1182 PR rtl-optimization/42249
1183 * sel-sched.c (try_replace_dest_reg): When chosen register
1184 and original register is the same, do not bail out early, but
1185 still check all original insns for validity of replacing destination
1186 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
1189 2010-01-14 Jakub Jelinek <jakub@redhat.com>
1192 Port from no-undefined-overflow branch:
1193 2009-03-09 Richard Guenther <rguenther@suse.de>
1195 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
1197 2010-01-14 Richard Guenther <rguenther@suse.de>
1200 * gimple.c (iterative_hash_gimple_type): Avoid hashing
1203 2010-01-14 Ira Rosen <irar@il.ibm.com>
1205 PR tree-optimization/42709
1206 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
1207 as scalar type in creation of constant vector operand.
1209 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1212 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
1213 (check-parallel-%): Match `testsuite' directory component only
1216 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
1218 PR translation/39521
1219 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
1222 2010-01-13 Richard Guenther <rguenther@suse.de>
1224 PR tree-optimization/42730
1225 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
1228 2010-01-13 Steve Ellcey <sje@cup.hp.com>
1231 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
1232 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
1235 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
1237 * config/bfin/libgcc-bfin.ver: Regenerate based on current
1238 libgcc-std.ver. Add entries for ___smulsi3_highpart and
1239 ___umulsi3_highpart.
1241 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
1242 rather than schedule_insns if the pass is enabled.
1244 2010-01-13 Martin Jambor <mjambor@suse.cz>
1246 PR tree-optimization/42704
1247 * tree-sra.c (sra_modify_assign): Do not delete assignments to
1250 2010-01-13 Martin Jambor <mjambor@suse.cz>
1252 PR tree-optimization/42703
1253 * tree-sra.c (analyze_access_subtree): Check that we can build a
1254 reference to the original data within the aggregate.
1256 2010-01-13 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/42705
1259 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after
1262 2010-01-13 Richard Guenther <rguenther@suse.de>
1265 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
1267 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1270 * var-tracking.c (values_to_unmark): New variable.
1271 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1272 values_to_unmark vector. Moved body to...
1273 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1274 instead queue it into values_to_unmark vector.
1275 (vt_find_locations): Free values_to_unmark vector.
1277 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
1279 * config/s390/s390.c (override_options): Set
1280 default of max-pending-list-length to 256
1282 2010-01-13 Richard Guenther <rguenther@suse.de>
1285 * tree-pass.h (PROP_gimple_lcx): New.
1286 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
1287 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
1288 before the final cleanup_eh.
1289 (dump_properties): Dump PROP_gimple_lcx.
1290 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
1291 (tree_lower_complex_O0): Remove.
1292 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
1293 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
1294 tree_lower_complex, schedule TODO_update_ssa.
1295 * lto-streamer-out.c (output_function): Stream the functions
1297 * lto-streamer-in.c (input_function): Likewise.
1298 (lto_read_body): Do not override them here.
1300 2010-01-12 Joseph Myers <joseph@codesourcery.com>
1303 * c-typeck.c (build_c_cast): Fold value cast to union type before
1304 wrapping it in a CONSTRUCTOR.
1306 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1308 PR rtl-optimization/42699
1309 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
1312 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1314 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1315 SUBTARGET_WARN_UNUSED_SPEC): Move ...
1316 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1317 SUBTARGET_WARN_UNUSED_SPEC): ... here
1318 * config/mips/iris5.h (LIBGCC_SPEC): Define.
1320 2010-01-12 Julian Brown <julian@codesourcery.com>
1322 * config/arm/neon-schedgen.ml (Utils): Don't try to
1323 open missing module.
1324 (find_with_result): New.
1326 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1329 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
1330 sharing when canonicalizing ({lt,ge}u (plus a b) b).
1332 PR tree-optimization/42645
1333 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
1334 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
1335 decl_map, set processing_debug_stmt to -1 and return name without
1338 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
1340 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
1341 binutils version, and reword target configuration description.
1343 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1345 * config/avr/avr.h (LINKER_NAME): Remove.
1347 2010-01-11 Janis Johnson <janis187@us.ibm.com>
1350 * config/rs6000/rs6000.c (rs6000_override_options): On targets
1351 that support VSX, warn for -mno-altivec if vsx is not disabled,
1354 2010-01-11 Joseph Myers <joseph@codesourcery.com>
1355 Shujing Zhao <pearly.zhao@oracle.com>
1357 PR translation/42469
1358 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
1359 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
1360 character between option name and help text.
1361 * c.opt (imultilib): Likewise.
1363 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
1365 * lto-streamer-out.c (output_unreferenced_globals): Output static
1368 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
1370 PR rtl-optimization/42621
1371 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
1372 optimizing for size.
1373 (duplicate_computed_gotos): Remove now-redundant check.
1375 2010-01-10 Steve Ellcey <sje@cup.hp.com>
1378 * configure.ac: Save and restore LDFLAGS and LIBS
1379 * configure: Regenerate.
1381 2010-01-10 Richard Guenther <rguenther@suse.de>
1384 * builtins.c (fold_builtin_strlen): Add type argument and
1385 convert the resulting length to it.
1386 (fold_builtin_1): Adjust.
1388 2010-01-09 Jakub Jelinek <jakub@redhat.com>
1390 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
1391 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
1393 (num_insns_constant_wide): Adjust for that change.
1395 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1398 * web.c (union_defs): Add used argument, to combine uses of
1400 (entry_register): Adjust type and tests of used argument.
1401 (web_main): Widen used for new use. Pass it to union_defs.
1402 * df.h (union_defs): Adjust prototype.
1404 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1407 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
1408 uses in new incoming argument. Free body.
1409 (reset_debug_uses_in_loop): New.
1410 (analyze_insn_to_expand_var): Call the latter if the former found
1411 anything. Fix whitespace. Reject invalid dest overlaps before
1412 going through all insns in the loop.
1414 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1417 * haifa-sched.c (dying_use_p): Debug insns don't count.
1419 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1422 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
1423 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
1424 (verify_gimple_call): Reject LHS in noreturn calls.
1426 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1430 * tree-vect-loop-manip.c (adjust_info): New type.
1431 (adjust_vec): New pointer to vector.
1432 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
1433 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
1434 (slpeel_update_phis_for_duplicate_loop): Use them.
1435 (slpeel_update_phi_nodes_for_guard1): Likewise.
1436 (slpeel_update_phi_nodes_for_guard2): Likewise.
1437 (slpeel_tree_peel_loop_to_edge): Likewise.
1438 (vect_update_ivs_after_vectorizer): Likewise.
1440 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1442 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
1443 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
1445 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1447 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
1448 bogus uninitialized warning.
1450 2010-01-09 Richard Guenther <rguenther@suse.de>
1453 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
1454 the evolution is compatible with the initial condition.
1456 2010-01-09 Jakub Jelinek <jakub@redhat.com>
1458 * gcc.c (process_command): Update copyright notice dates.
1459 * gcov.c (print_version): Likewise.
1460 * gcov-dump.c (print_version): Likewise.
1461 * mips-tfile.c (main): Likewise.
1462 * mips-tdump.c (main): Likewise.
1464 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1467 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
1469 (rotlhi3_8): Delete.
1471 (rotlsi3_8): Delete.
1472 (rotlsi3_16): Delete.
1473 (rotlsi3_24): Delete.
1475 (*rotw<mode>3): New.
1476 (*rotb<mode>3): New.
1477 * config/avr/avr.c (avr_rotate_bytes): New function.
1478 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
1480 2010-01-08 Steve Ellcey <sje@cup.hp.com>
1483 * configure.ac: Modify -rdynamic check.
1484 * configure: Regenerate.
1486 2010-01-08 DJ Delorie <dj@redhat.com>
1488 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
1489 register popping order.
1491 2010-01-08 Richard Guenther <rguenther@suse.de>
1494 * c.opt (fsigned-char): Also let LTO handle this option.
1495 (funsigned-char): Likewise.
1497 2010-01-07 Richard Guenther <rguenther@suse.de>
1499 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
1500 (gimple_op): Likewise.
1501 (gimple_op_ptr): Likewise.
1502 (gimple_assign_set_lhs): Remove gcc_assert.
1503 (gimple_assign_set_rhs1): Likewise.
1504 (gimple_assign_set_rhs2): Likewise.
1505 (gimple_call_set_lhs): Likewise.
1506 (gimple_call_set_fn): Likewise.
1507 (gimple_call_set_fndecl): Likewise.
1508 (gimple_call_fndecl): Likewise.
1509 (gimple_call_return_type): Likewise.
1510 (gimple_call_set_chain): Likewise.
1511 (gimple_call_num_args): Likewise.
1512 (gimple_call_set_arg): Likewise.
1513 (gimple_cond_set_code): Likewise.
1514 (gimple_cond_set_lhs): Likewise.
1515 (gimple_cond_set_rhs): Likewise.
1516 (gimple_cond_set_true_label): Likewise.
1517 (gimple_cond_set_false_label): Likewise.
1518 (gimple_label_set_label): Likewise.
1519 (gimple_goto_set_dest): Likewise.
1520 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
1521 (gimple_debug_bind_get_value): Likewise.
1522 (gimple_debug_bind_get_value_ptr): Likewise.
1523 (gimple_debug_bind_set_var): Likewise.
1524 (gimple_debug_bind_set_value): Likewise.
1525 (gimple_debug_bind_reset_value): Likewise.
1526 (gimple_debug_bind_has_value_p): Likewise.
1527 (gimple_return_retval_ptr): Remove gcc_assert.
1528 (gimple_return_retval): Likewise.
1529 (gimple_return_set_retval): Likewise.
1530 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
1531 (safe_referenced_var_iterator): Remove.
1532 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
1533 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
1534 (fill_referenced_var_vec): Remove.
1535 (first_readonly_imm_use): Remove redundant gcc_assert.
1536 (phi_arg_index_from_use): Combine gcc_asserts.
1537 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
1538 (first_imm_use_stmt): Remove redundant gcc_assert.
1539 * tree-cfg.c (verify_gimple_call): Verify function and chain
1540 operands. Verify arguments.
1541 (verify_types_in_gimple_stmt): Verify condition code and labels.
1543 2010-01-07 Richard Guenther <rguenther@suse.de>
1545 PR tree-optimization/42641
1546 * sese.c (rename_map_elt_info): Use the SSA name version, do
1549 2010-01-07 Jakub Jelinek <jakub@redhat.com>
1551 PR tree-optimization/42625
1552 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
1553 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body
1556 2010-01-07 Duncan Sands <baldrick@free.fr>
1558 * Makefile.in (PLUGIN_HEADERS): Add version.h.
1560 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
1563 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
1564 note itself is not function_invariant_p.
1566 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
1568 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
1569 Do not add the DF_NOTE problem.
1570 * store-motion.c (execute_rtl_store_motion): Likewise.
1572 2010-01-07 Martin Jambor <mjambor@suse.cz>
1574 PR tree-optimization/42157
1575 * tree-sra.c (compare_access_positions): Stabilize sort if both
1576 accesses have integer types, return zero immediately if they are the
1579 2010-01-06 Richard Henderson <rth@redhat.com>
1582 * haifa-sched.c (add_to_note_list): Merge into ...
1583 (concat_note_lists): ... here, and ...
1584 (unlink_other_notes, rm_other_notes): Merge into...
1585 (remove_notes): ... here. Create REG_SAVE_NOTEs for
1586 NOTE_INSN_EPILOGUE_BEG.
1588 2010-01-06 Richard Guenther <rguenther@suse.de>
1590 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
1591 not inline regular functions into always-inline functions.
1593 2010-01-06 Nick Clifton <nickc@redhat.com>
1595 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
1596 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
1598 (OVERRIDE_OPTIONS): Delete.
1599 (OPTIMIZATION_OPTIONS): Define.
1600 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
1601 * config/rx/rx.c (rx_handle_option): Issue an error message if
1602 -mcpu=rx200 and -fpu are used together.
1603 (rx_set_optimization_options): New function. Issue an error
1604 message if an optimization attribute attempts to reset the FPU/
1605 math optimization pairing.
1606 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
1607 * config/rx/rx.opt: Set the default to 32-bit doubles.
1608 * config/rx/t-rx: Add multilibs for -nofpu option.
1609 * doc/invoke.texi: Update documentation of RX options.
1611 2010-01-06 Richard Guenther <rguenther@suse.de>
1613 * tree-ssa-pre.c (name_to_id): New global.
1614 (alloc_expression_id): Simplify SSA name handling.
1615 (lookup_expression_id): Likewise.
1616 (init_pre): Zero name_to_id.
1617 (fini_pre): Free it.
1619 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
1621 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
1623 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
1626 * config/i386/sse.md (smaxv2di3): New.
1627 (umaxv2di3): Likewise.
1628 (sminv2di3): Likewise.
1629 (uminv2di3): Likewise.
1631 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
1634 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
1635 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
1636 (legitimize_tls_address): Likewise.
1637 (sparc_tls_referenced_p): Likewise.
1638 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
1639 and adjust calls to legitimize_pic_address.
1640 (legitimate_constant_p) Use sparc_tls_referenced_p.
1641 (legitimate_pic_operand_p): Likewise.
1642 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
1643 (sparc_tls_symbol_ref_1): Delete.
1644 (sparc_tls_referenced_p): Make static, recognize specific patterns.
1645 (legitimize_tls_address): Make static, handle CONST patterns.
1646 (legitimize_pic_address): Make static, remove unused parameter and
1647 adjust recursive calls.
1648 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
1649 and adjust call to legitimize_pic_address.
1650 (sparc_output_mi_thunk): Likewise.
1652 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
1653 H.J. Lu <hongjiu.lu@intel.com>
1656 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
1657 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
1658 operands to make them signed.
1661 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1664 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
1665 GTU to GT for V4SI and V2DI.
1667 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
1668 (umin<mode>3): Removed.
1670 (uminv4si3): Likewise.
1672 2010-01-05 Martin Jambor <mjambor@suse.cz>
1674 PR tree-optimization/42462
1675 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
1676 current_function_decl to helper functions and macros.
1678 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1681 * flags.h: Don't include real.h.
1682 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
1683 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
1684 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
1685 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
1686 * dominance.c: Update copyright.
1687 * gimple.c (walk_gimple_op): Remove inline.
1688 * tree-ssa-reassoc.c: Include real.h.
1689 * Makefile.in (FLAGS_H): Remove $(REAL_H).
1690 (tree-ssa-reassoc.o): Depend on $(REAL_H).
1692 2010-01-05 Nick Clifton <nickc@redhat.com>
1694 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
1695 register to push into the stack frame when the accumulator has to
1696 be saved during interrupts.
1698 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
1700 * doc/invoke.texi: Remove the documentation about option
1702 * common.opt (Wunreachable-code): Preserved for backward
1704 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
1705 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
1706 the backward compatibility flag section.
1708 2010-01-05 Richard Guenther <rguenther@suse.de>
1710 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
1712 2010-01-05 Jakub Jelinek <jakub@redhat.com>
1715 * cfgexpand.c (expand_one_var): Diagnose too large variables.
1717 PR tree-optimization/42508
1718 * tree-sra.c (convert_callers): Check for recursive call
1719 by comparing cgraph nodes instead of decls.
1720 (modify_function): Call ipa_modify_formal_parameters also
1721 on all same_body aliases.
1723 * cgraphunit.c (cgraph_materialize_all_clones): Compare
1724 cgraph nodes when checking for same_body aliases.
1726 2010-01-05 Richard Guenther <rguenther@suse.de>
1728 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
1729 allocation and lookup.
1730 (get_or_alloc_expr_for_constant): Likewise.
1731 (phi_translate): Sink allocation.
1733 2010-01-04 Richard Guenther <rguenther@suse.de>
1735 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
1736 a new entry only if needed.
1737 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
1738 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
1740 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
1742 (phi_translate): Handle CONSTANTs early.
1744 2010-01-04 Martin Jambor <mjambor@suse.cz>
1746 PR tree-optimization/42398
1747 * tree-sra.c (struct access): Removed flag grp_different_types.
1748 (dump_access): Do not dump the removed flag.
1749 (sort_and_splice_var_accesses): Do not set the removed flag.
1750 (sra_modify_expr): Check for type compatibility directly.
1752 2010-01-04 Martin Jambor <mjambor@suse.cz>
1754 PR tree-optimization/42366
1755 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
1756 edges with variable number of parameters.
1757 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
1758 flag instead of asserting it.
1759 (ipa_read_node_info): Read uses_analysis_done flag.
1761 2010-01-04 Richard Guenther <rguenther@suse.de>
1763 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
1764 iterative_hash_* as intended.
1765 (vn_reference_compute_hash): Likewise. Simplify hashing
1767 (vn_reference_lookup_2): Likewise.
1768 (vn_nary_op_compute_hash): Likewise.
1769 (vn_phi_compute_hash): Likewise.
1770 (expressions_equal_p): Remove strange code.
1771 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
1772 (pre_expr_hash): Likewise. Simplify hashing SSA names.
1773 (bitmap_insert_into_set_1): Take value-id as parameter.
1774 (add_to_value): Pass it.
1775 (bitmap_insert_into_set): Likewise.
1776 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
1778 2010-01-04 Jakub Jelinek <jakub@redhat.com>
1781 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
1782 (do_self_spec): For switches with SWITCH_IGNORE set set also
1783 SWITCH_IGNORE_PERMANENTLY.
1784 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
1787 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
1789 * lto-streamer-out.c (output_unreferenced_globals): Output the full
1790 tree of an unreferenced global var.
1792 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1795 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
1796 GTU to GT for V4SI and V2DI.
1798 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
1799 (umin<mode>3): Removed.
1801 (uminv4si3): Likewise.
1803 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1806 * collect2.c (main): Turn on trace in collect2 if -v is passed
1809 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
1811 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
1812 description of expression operand.
1814 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
1816 * configure.ac: Add install-html to target_list for Make-hooks.
1817 * configure: Regenerate.
1818 * fortran/Make-lang.in (F95_HTMLFILES): New.
1819 (fortran.html): Use it.
1820 (fortran.install-html): New.
1821 * Makefile.in (install-html): Add lang.install-html.
1822 * java/Make-lang.in (JAVA_HTMLFILES): New.
1823 (java.html): Use it.
1824 (java.install-html): New.
1825 * objc/Make-lang.in (objc.install-html): New.
1826 * objcp/Make-lang.in (obj-c++.install-html): New.
1827 * cp/Make-lang.in (c++.install-html): New.
1828 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
1829 * lto/Make-lang.in (lto.install-html): New.
1831 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
1834 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
1836 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
1838 PR rtl-optimization/41862
1839 * store-motion.c (store_killed_in_insn, compute_store_table,
1840 remove_reachable_equiv_notes, replace_store_insn,
1841 build_store_vectors): Ignore all DEBUG_INSNs.
1843 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
1846 * common.opt: Add dumpdir.
1848 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
1850 (option_map): Add --dumpdir.
1852 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
1854 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
1856 * opts.c (decode_options): Try dump_dir_name first if
1857 dump_base_name isn't an absolute path.
1858 (common_handle_option): Handle OPT_dumpdir.
1860 * toplev.c (dump_dir_name): New.
1861 (print_switch_values): Also ignore -dumpdir.
1863 * toplev.h (dump_dir_name): New.
1865 2010-01-03 Richard Guenther <rguenther@suse.de>
1867 PR tree-optimization/42589
1868 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
1869 double-word expansion of bswap32.
1871 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
1873 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
1874 with BLOCK_FOR_INSN.
1875 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
1876 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
1877 noce_process_if_block): Likewise.
1878 * gcse.c (compute_local_properties, insert_expr_in_table,
1879 insert_set_in_table, canon_list_insert, find_avail_set,
1880 pre_insert_copy_insn): Likewise.
1882 * basic-block.h (BLOCK_NUM): Move from here...
1883 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
1885 2010-01-03 Richard Guenther <rguenther@suse.de>
1887 PR tree-optimization/42438
1888 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
1889 contains_may_not_return_call flag.
1890 (BB_MAY_NOTRETURN): New.
1891 (valid_in_sets): Trapping nary operations are not valid
1892 in blocks that may not return.
1893 (insert_into_preds_of_block): Remove check for trapping
1895 (compute_avail): Compute also BB_MAY_NOTRETURN.
1897 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
1899 * doc/invoke.texi: Add 2010 to copyright years.
1901 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
1903 * config/sparc/sparc.c: Fix formatting nits.
1905 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
1906 Alexander Monakov <amonakov@ispras.ru>
1908 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
1910 2010-01-02 Richard Guenther <rguenther@suse.de>
1913 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
1914 (simplify_switch_using_ranges): Mark to be removed edges
1917 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1919 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1921 * collect2.c (scan_libraries): Add missing argument in call to
1924 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
1927 * config/alpha/predicates.md (aligned_memory_operand): Return false
1929 (unaligned_memory_operand): Return true for CQImode.
1930 * config/alpha/alpha.c (get_aligned_mem): Assert that location
1931 doesn not cross aligned SImode word boundary.
1933 2010-01-02 Anatoly Sokolov <aesok@post.ru>
1935 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
1937 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
1938 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
1940 2010-01-02 Richard Guenther <rguenther@suse.de>
1943 * toplev.c (compile_file): Emit LTO marker properly. Change
1945 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
1947 2010-01-01 Richard Guenther <rguenther@suse.de>
1950 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
1952 2010-01-01 Richard Guenther <rguenther@suse.de>
1955 * c-decl.c (grokdeclarator): For zero-size arrays force
1956 structural equality checks as layout_type does.
1958 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
1960 * builtins.c: Update copyright to 2010.
1962 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
1965 * lto-streamer-out.c (produce_asm): Revert the last change.
1966 (copy_function): Likewise.
1968 * lto-streamer.c (lto_get_section_name): Skip any leading
1971 2010-01-01 Richard Guenther <rguenther@suse.de>
1974 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
1978 Copyright (C) 2010 Free Software Foundation, Inc.
1980 Copying and distribution of this file, with or without modification,
1981 are permitted in any medium without royalty provided the copyright
1982 notice and this notice are preserved.