1 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5 a fixed vector for stack.
7 2008-01-24 Ben Elliston <bje@au.ibm.com>
10 * doc/gcc.texi (Software development): Add a direntry for g++.
12 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
14 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
15 stale and straggling -fforce-addr comments above.
17 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
19 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
20 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
22 2008-01-23 Michael Matz <matz@suse.de>
25 * dwarf2out.c (force_type_die): Use modified_type_die instead of
28 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
30 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
33 2008-01-23 Anatoly Sokolov <aesok@post.ru>
35 * config/avr/avr.c (avr_current_arch): New variable.
36 (avr_arch_types): Add 'avr31' and 'avr51' entries.
37 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
38 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
39 (avr_override_options): Init 'avr_current_arch'.
40 (base_arch_s): Move from here...
41 * config/avr/avr.h (base_arch_s): ... here. Add new members
42 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
43 'mega' to 'have_jmp_call'.
44 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
45 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
47 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
49 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
50 MULTILIB_MATCHES): (Ditto.).
52 2008-01-23 Richard Guenther <rguenther@suse.de>
55 * cgraphunit.c (cgraph_reset_node): Always mark the node
56 not reachable if it is not queued already.
58 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
60 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
61 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
62 (cputype_selected): New static variable.
63 (bfin_handle_option): Set it if -mcpu is used.
64 (override_option): Select default set of workarounds if no cpu type
65 selected on the command line.
66 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
68 From Michael Frysinger <michael.frysinger@analog.com>
69 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
70 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
72 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
73 for bf547, bf523, bf524, and bf526.
74 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
76 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
77 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
78 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
79 __ADSPBF547__ and __ADSPBF54x__ for bf547.
80 * doc/invoke.texi (Blackfin Options): Document that
81 -mcpu now accept bf547, bf523, bf524, and bf526.
83 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
85 PR rtl-optimization/34628
86 * combine.c (try_combine): Stop and undo after the first combination
87 if an autoincrement side-effect on the first insn has effectively
90 2008-01-22 David Edelsohn <edelsohn@gnu.org>
93 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
94 Offset addresses are not valid for Altivec or paired float modes.
96 2008-01-22 Jakub Jelinek <jakub@redhat.com>
99 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
100 if DECL_INITIAL (decl) is error_mark_node.
103 * c-common.c (handle_vector_size_attribute): Only allow
104 integral, scalar float and fixed point types. Handle OFFSET_TYPE
105 the same way as pointer, array etc. types.
106 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
109 * tree.c (build_type_attribute_qual_variant): Call
110 build_qualified_type if attributes are equal, but quals are not.
112 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
115 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
116 * flags.h (warn_strict_aliasing): Remove.
117 (warn_strict_overflow): Remove.
118 * opts.c (warn_strict_aliasing): Remove.
119 (warn_strict_overflow): Remove.
120 * c-opts.c (c_common_handle_option): -Wall only sets
121 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
122 (c_common_post_options): Give default values to -Wstrict-aliasing
123 and -Wstrict-overflow if they are uninitialized.
124 * common.opt (Wstrict-aliasing): Specify Var and Init.
125 (Wstrict-overflow): Likewise.
127 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
129 PR rtl-optimization/26854
130 PR rtl-optimization/34400
131 PR rtl-optimization/34884
132 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
134 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
135 (df_rd_bb_info.expanded_lr_out): Deleted
136 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
137 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
138 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
139 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
140 Removed code to allocate, initialize or free expanded_lr_out.
141 (df_rd_bb_local_compute_process_def): Restructured to make more
143 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
144 sets if the sets are being trimmed.
146 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
149 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
151 * configure: Regenerated.
153 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
156 * tree-pass.h (pass_build_alias): New pass.
157 * tree-ssa-alias.c (gate_build_alias): New.
158 (pass_build_alias): New.
159 * passes.c (init_optimization_passes): Add pass_build_alias after
160 pass_create_structure_vars.
162 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
164 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
165 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
166 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
167 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
168 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
169 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
170 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
171 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
172 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
173 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
174 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
175 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
176 * config/s390/s390.md (FP_ALL): New mode iterator.
177 (_d): New mode attribute.
178 ("*signbit<mode>2>"): Changed mode of first operand.
179 ("isinf<mode>2"): Changed mode of first operand.
180 ("*TDC_insn"): Adaptation for DFP modes.
182 2008-01-22 Ben Elliston <bje@au.ibm.com>
184 * tree.c (check_qualified_type): Improve function description.
186 2008-01-21 Jason Merrill <jason@redhat.com>
189 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
190 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
193 2008-01-21 DJ Delorie <dj@redhat.com>
195 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
198 2008-01-21 Richard Guenther <rguenther@suse.de>
201 * tree-cfg.c (verify_expr): Allow all invariant expressions
202 instead of just constant class ones as reference argument.
203 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
204 like any other constant.
205 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
207 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
209 * regmove.c (fixup_match_1): Update call crossed frequencies.
211 2008-01-21 Richard Guenther <rguenther@suse.de>
214 * tree-inline.c (setup_one_parameter): Deal with mismatched
215 types using a VIEW_CONVERT_EXPR.
217 2008-01-21 Alon Dayan <alond@il.ibm.com>
218 Olga Golovanevsky <olga@il.ibm.com>
220 PR tree-optimization/34701
221 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
222 when the structure size is not a power of 2.
224 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
226 * doc/install.texi: Add doc for --enable-checking=df.
228 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
230 PR rtl-optimization/34808
231 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
233 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
235 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
238 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
240 PR rtl-optimization/26854
241 PR rtl-optimization/34400
242 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
244 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
245 (df_rd_bb_info.expanded_lr_out): New.
246 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
247 * loop_iv.c (iv_analysis_loop_init): Ditto.
248 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
249 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
250 Added code to allocate, initialize or free expanded_lr_out.
251 (df_rd_bb_local_compute_process_def): Restructured to make
253 (df_rd_confluence_n): Add code to do nothing with fake edges and
254 code to no apply invalidate_by_call sets if the sets are being trimmed.
255 (df_lr_local_finalize): Renamed to df_lr_finalize.
256 (df_live_local_finalize): Renamed to df_live_finalize.
258 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
261 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
262 deciding whether to use reciprocal instructions.
264 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
266 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
267 dwarf2out_note_section_used if cold_text_section is NULL.
269 2008-01-19 Jakub Jelinek <jakub@redhat.com>
271 PR gcov-profile/34610
272 * tree-cfg.c (make_edges): Mark both outgoing edges from
273 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
274 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
275 from OMP_FOR and OMP_CONTINUE outgoing edges.
277 * tree-profile.c (tree_profiling): Return early if
278 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
280 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
281 from cfun to child_cfun.
282 * function.h (struct function): Add after_tree_profile bit.
284 2008-01-19 Anatoly Sokolov <aesok@post.ru>
286 * config/avr/avr.S (_exit): Disable interrupt.
288 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
289 Steven Bosscher <stevenb.gcc@gmail.com>
291 PR rtl-optimization/26854
292 PR rtl-optimization/34400
293 * df-problems.c (df_live_scratch): New scratch bitmap.
294 (df_live_alloc): Allocate df_live_scratch when doing df_live.
295 (df_live_reset): Clear the proper bitmaps.
296 (df_live_bb_local_compute): Only process the artificial defs once
297 since the order is not important.
298 (df_live_init): Init the df_live sets only with the variables
300 (df_live_transfer_function): Use the df_lr sets to prune the
301 df_live sets as they are being computed.
302 (df_live_free): Free df_live_scratch.
304 2008-01-18 Ian Lance Taylor <iant@google.com>
306 * common.opt: Add fmerge-debug-strings.
307 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
308 flag_merge_debug_strings rather than flag_merge_constants.
309 * doc/invoke.texi (Option Summary): Mention
310 -fmerge-debug-strings.
311 (Debugging Options): Document -fmerge-debug-strings.
313 2008-01-18 Ian Lance Taylor <iant@google.com>
316 * tree.h (DECL_IS_OPERATOR_NEW): Define.
317 (struct tree_function_decl): Add new field operator_new_flag.
318 * tree-inline.c (expand_call_inline): When inlining a call to
319 operator new, force the return value to go into a variable, and
320 set DECL_NO_TBAA_P on that variable.
321 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
323 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
326 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
327 DWARF2_DEBUGGING_INFO.
328 (dwarf2out_note_section_used): Ditto. Add prototype.
329 (have_multiple_function_sections, text_section_used,
330 cold_text_section_used, *cold_text_sections): Move declarations
333 2007-01-17 Bob Wilson <bob.wilson@acm.org>
335 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
336 field and add signal_ra.
337 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
338 assignments to frame state pc. Move end of stack check after
339 MD_FALLBACK_FRAME_STATE_FOR.
340 (uw_update_context_1): Use frame state signal_regs if set, instead
341 of checking signal_frame flag.
342 (uw_update_context): Use frame state signal_ra if set.
343 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
344 * config/xtensa/linux-unwind.h: New file.
346 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
348 * modulo-sched.c (get_sched_window): Fix comment typo.
350 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
352 PR tree-optimization/34648
353 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
355 2008-01-17 Anatoly Sokolov <aesok@post.ru>
357 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
358 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
360 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
362 PR rtl-optimization/34400
363 * df-core.c (df_worklist_dataflow_overeager,
364 df_worklist_dataflow_doublequeue): New functions.
365 (df_worklist_dataflow): Two different worklist solvers.
366 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
369 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
372 * doc/invoke.texi: Document the dependence on pthread for fopenmp
373 and ftree-parallelize-loops.
375 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
377 PR rtl-optimization/34826
378 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
380 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
382 * global.c (find_reg): Mark the eh regs as used if necessary.
383 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
384 * ra.h (struct allocno): no_eh_reg field added. Changed
385 no_stack_reg type to bitfield.
387 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
389 * tree.c (substitute_in_expr): Add missing 'break'.
391 2008-01-17 Richard Guenther <rguenther@suse.de>
393 PR tree-optimization/34825
394 * tree-ssa-math-opts.c (is_division_by): Do not recognize
395 x / x as division to handle.
397 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
399 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
400 "-pthread" is specified.
401 * pa-hpux11.h (LIB_SPEC): Likewise.
403 2007-01-16 Janis Johnson <janis187@us.ibm.com>
404 Peter Bergner <bergner@vnet.ibm.com>
406 PR rtl-optimization/33796
407 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
409 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
412 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
414 * pa-hpux10.h (LINK_SPEC): Likewise.
415 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
417 2008-01-16 Richard Guenther <rguenther@suse.de>
420 * fold-const.c (fold_convert_const_int_from_int): Do not
421 set overflow if that occured only because of a sign extension
422 change when converting from/to a sizetype with the same
423 precision and signedness.
425 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
428 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
429 location address to the correct place. Update copyright year.
431 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
433 * lambda-code.c (lambda_transform_legal_p): Handle the case of
434 no dependences in the dependence_relations vector.
436 2008-01-16 Jan Hubicka <jh@suse.cz>
438 PR rtl-optimization/31396
439 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
440 * cfg.c (dump_reg_info): Print it.
441 * regs.h (struct reg_info_t): add freq_calls_crossed.
442 (REG_FREQ_CALLS_CROSSED): New macro.
443 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
444 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
445 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
446 regmove_optimize): Update call crossed frequencies.
447 * local-alloc.c (struct qty): Add freq_calls_crossed.
448 (alloc_qty): Copute freq_calls_crossed.
449 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
450 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
451 * ra.h (struct allocno): Add freq_calls_crossed.
453 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
455 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
456 libgomp when compiling with ftree-parallelize-loops.
457 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
459 2008-01-16 Richard Guenther <rguenther@suse.de>
461 PR tree-optimization/34769
462 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
463 * tree.c (int_cst_value): Instead make this function more
464 permissive in what it accepts as valid input. Document this
465 function always sign-extends the value.
467 2008-01-16 Jakub Jelinek <jakub@redhat.com>
468 Richard Guenther <rguenther@suse.de>
471 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
472 (gimple_fold_indirect_ref_rhs): ... this.
473 (gimple_fold_indirect_ref): New function with foldings
474 that preserve lvalueness.
475 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
476 * tree-flow.h (gimple_fold_indirect_ref): Declare.
477 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
478 to fold an INDIRECT_REF, fall back to the old use of
481 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
483 * tree-data-ref.c (subscript_dependence_tester_1): Call
484 free_conflict_function.
485 (compute_self_dependence): Same.
487 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
490 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
491 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
493 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
494 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
495 for DWARF2_UNWIND_INFO targets.
497 2008-01-16 Richard Guenther <rguenther@suse.de>
500 * c-typeck.c (common_pointer_type): Do not merge inconsistent
501 type qualifiers for function types.
503 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
505 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
506 loop_iterator li from previous commit.
508 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
510 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
512 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
514 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
515 (parallelize_loops): Don't parallelize irreducible components.
517 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
520 * c-opts (c_common_post_options): Do not enable CPP
521 flag_pedantic_errors by default.
523 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
525 PR rtl-optimization/31944
526 * cse.c (remove_pseudo_from_table): New function.
527 (merge_equiv_classes): Use above function to remove pseudo-registers.
528 (invalidate): Likewise.
530 2008-01-13 Richard Guenther <rguenther@suse.de>
533 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
534 instead of TYPE_MODE to deal with calls from expand_one_error_var.
536 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
538 * gcse.c (cprop_jump): Call validate_unshare_change instead of
539 validate_change to unshare the source of the PC set.
541 2008-01-12 Jan Hubicka <jh@suse.cz>
544 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
545 references above array bounds. This might trigger bounds checks for
548 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
550 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
551 new_replaceable_dependencies.
553 2008-01-12 Doug Kwan <dougkwan@google.com>
555 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
556 instead of OPT_Wreturn_type in warning due to ignored return type
558 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
559 options included in -Wextra.
560 * c.opt: New option -Wignored_qualifiers.
561 * doc/invoke.texi (Warning Options, -Wextra): Add new option
563 (-Wignored-qualifiers): Document.
564 (-Wreturn-type): Remove description of functionality now handled
565 by -Wignored-qualifiers.
567 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
570 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
571 NOP_EXPR if it is between integral types with the same precision.
573 2008-01-12 Jan Hubicka <jh@suse.cz>
576 * invoke.texi (max-inline-recursive-depth): Fix default value.
578 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
580 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
583 2008-01-11 Bob Wilson <bob.wilson@acm.org>
585 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
587 2008-01-11 James E. Wilson <wilson@specifix.com>
590 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
592 2008-01-11 Anatoly Sokolov <aesok@post.ru>
594 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
595 save/restore frame pointer register and don't use 'call-prologues'
596 optimization in function with "OS_task" attribute.
598 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
601 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
602 when copying to memory.
604 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
606 PR rtl-optimization/30905
607 * cfgcleanup.c: Include dce.h
608 (crossjumps_occured): New global variable.
609 (try_crossjump_bb): Exit loop after finding a fallthru edge.
610 If something changed, set crossjumps_occured to true.
611 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
612 Don't add/remove fake edges to exit here...
613 (cleanup_cfg): ...but do it here, when crossjumping.
614 Run a fast DCE when successful crossjumps occured in the latest
615 iteration of try_optimize_cfg.
617 2008-01-11 Richard Guenther <rguenther@suse.de>
619 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
620 (struct vn_unary_op_s): Likewise.
621 (vn_reference_insert): Free old reference on hash collision.
623 2008-01-10 Raksit Ashok <raksit@google.com>
625 PR rtl-optimization/27971
626 * combine.c (find_split_point): Split PLUS expressions which are
627 inside a MEM rtx, and whose first operand is complex.
629 2008-01-10 DJ Delorie <dj@redhat.com>
631 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
632 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
633 (m32c_hard_regno_ok): Call the underlying function.
635 2008-01-10 Richard Guenther <rguenther@suse.de>
638 * tree-cfg.c (tree_merge_blocks): Do not go through the
639 full-blown folding and stmt updating path if we just deal
640 with virtual operands.
641 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
642 test for abnormal SSA_NAMEs.
644 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
647 * reload.c (push_reload): Add assertions. All constants from
648 reg_equiv_constant should have been used for replacing the respective
650 (find_reloads_address): Invoke find_reloads_address_part for
651 constant taken from the reg_equiv_constant array.
653 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
655 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
656 field (valnum) the first in the struct. Replace bools with
659 2008-01-10 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/34651
662 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
663 types and ordering for masking and converting.
665 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
667 PR tree-optimization/34017
668 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
669 also for PHI_NODE expressions.
671 2008-01-09 Jan Hubicka <jh@suse.cz>
673 PR tree-optimization/34708
674 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
675 based on number of case labels.
676 (init_inline_once): Remove switch_cost.
677 * tree-inline.h (eni_weights_d): Remove switch_cost.
679 2008-01-09 Richard Guenther <rguenther@suse.de>
680 Andrew Pinski <andrew_pinski@playstation.sony.com>
683 * gimplify.c (gimplify_cond_expr): Do not create an addressable
684 temporary if an rvalue is ok or an lvalue is not required.
686 2008-01-09 Richard Guenther <rguenther@suse.de>
689 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
692 2008-01-09 Richard Guenther <rguenther@suse.de>
695 * tree.c (host_integerp): Check for sizetype only if the
696 type is an integer type.
698 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
701 * opts.c (decode_options): Disable inlining of functions called
702 once if not in unit-at-a-time mode.
704 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
706 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
708 2008-01-08 Richard Guenther <rguenther@suse.de>
711 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
712 out early if the result will be unused.
714 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
719 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
720 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
723 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
725 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
726 for vectorization tuned.
728 2008-01-08 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/34683
731 * tree-ssa-operands.c (operand_build_cmp): Export.
732 * tree-ssa-operands.h (operand_build_cmp): Declare.
733 * tree-vn.c (vuses_compare): Remove.
734 (sort_vuses): Use operand_build_cmp.
735 (sort_vuses_heap): Likewise.
736 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
737 to re-use old VEC if available. Do not sort already sorted VUSEs.
738 (vdefs_to_vec): Do not sort already sorted VDEFs.
740 2008-01-08 Jakub Jelinek <jakub@redhat.com>
743 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
745 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
748 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
749 limitations of reciprocal sequences on x86 targets.
751 2008-01-08 Richard Guenther <rguenther@suse.de>
753 PR tree-optimization/34683
754 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
756 2008-01-07 Jakub Jelinek <jakub@redhat.com>
759 * config/darwin.c (darwin_mergeable_string_section): Don't use
760 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
762 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
765 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
766 negxf2. Macroize expander using X87MODEF mode iterator. Change
767 predicates of op0 and op1 to register_operand.
768 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
769 expander using X87MODEF mode iterator. Change predicates of
770 op0 and op1 to register_operand.
771 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
772 corresponding patterns and macroize using MODEF macro. Change
773 predicates of op0 and op1 to register_operand and remove
774 "m" constraint. Disparage "r" alternative with "!".
775 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
776 macroize using X87MODEF macro. Change predicates of op0 and op1
777 to register_operand and remove "m" constraint. Disparage "r"
778 alternative with "!".
779 (absneg splitter with memory operands): Remove.
780 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
781 patterns and macroize using X87MODEF mode iterator.
782 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
783 Change predicate of op1 to register_operand.
784 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
787 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
789 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
791 2008-01-07 Richard Guenther <rguenther@suse.de>
793 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
796 2008-01-07 Richard Guenther <rguenther@suse.de>
798 PR tree-optimization/34683
799 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
800 VOPs of the needed size to save memory. Use VEC_quick_push
801 to save compile-time.
802 (vdefs_to_vec): Likewise.
804 2008-01-07 Sa Liu <saliu@de.ibm.com>
806 * config/spu/spu.md (divdf3): Genetate inline code for double
807 division. The implementation doesn't handle INF or NAN, therefore it
808 only applies when -ffinite-math-only is given.
810 2008-01-06 Paolo Carlini <pcarlini@suse.de>
813 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
814 * doc/cpp.texi ([Common Predefined Macros]): Document.
816 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
818 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
819 order to use commutative addition instead of subtraction.
821 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
822 Mircea Namolaru <namolaru@il.ibm.com>
823 Vladimir Yanovsky <yanov@il.ibm.com>
824 Revital Eres <eres@il.ibm.com>
826 PR tree-optimization/34263
827 * tree-outof-ssa.c (process_single_block_loop_latch,
828 contains_tree_r): New functions.
829 (analyze_edges_for_bb): Call process_single_block_loop_latch
830 function to empty single-basic-block latch block if possible.
832 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
834 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
836 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
838 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
840 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
842 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
844 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
846 2008-01-05 Jakub Jelinek <jakub@redhat.com>
848 PR tree-optimization/34618
849 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
852 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
855 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
856 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
857 Update copyright year.
859 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
860 Update copyright year.
861 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
864 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
866 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
867 edge does not point to current bb before changing need_assert.
869 2008-01-04 Richard Guenther <rguenther@suse.de>
872 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
873 for verifying purposes if they are is_gimple_min_invariant.
875 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
877 PR tree-optimization/34448
878 PR tree-optimization/34465
879 * gimplify.c (gimplify_init_constructor): Add new parameter
880 notify_temp_creation. Use it.
881 (gimplify_modify_expr_rhs): Take volatiles into account when
882 optimizing constructors.
883 Do not optimize constructors if gimplify_init_constructor will dump to
885 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
886 * gcc.c-torture/compile/pr34448.c: New.
888 2008-01-04 Jakub Jelinek <jakub@redhat.com>
890 PR gcov-profile/34609
891 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
892 return_slot if result is TREE_ADDRESSABLE.
894 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
896 * config/mips/mips.md (sqrt_condition): Tweak comment.
897 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
899 2008-01-03 Tom Tromey <tromey@redhat.com>
902 * c-common.c (c_type_hash): Handle VLAs.
904 2008-01-03 Jan Hubicka <jh@suse.cz>
906 PR tree-optimization/31081
907 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
908 0 when inlining and not inlining to first basic block.
909 (remap_decl): When var is initialized to 0, don't set default_def.
910 (expand_call_inline): Set entry_bb.
911 * tree-inline.h (copy_body_data): Add entry_bb.
913 2008-01-03 Jakub Jelinek <jakub@redhat.com>
916 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
919 PR tree-optimization/29484
920 * tree-inline.c (inline_forbidden_p_2): New function.
921 (inline_forbidden_p): Disallow inlining if some static var
922 has an address of a local LABEL_DECL in its initializer.
923 * doc/extend.texi (Labels as Values): Document &&foo behaviour
926 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
928 PR tree-optimization/34635
929 * tree-data-ref.c (add_other_self_distances): Make sure that the
930 evolution step is constant.
932 2008-01-03 Jakub Jelinek <jakub@redhat.com>
935 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
937 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
939 * tree-sra.c (scalarize_init): Insert the generate_element_init
940 statements after the generate_element_zero statements.
942 2008-01-02 Richard Guenther <rguenther@suse.de>
946 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
947 for very large number of operands instead of ICEing.
949 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
952 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
955 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
957 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
960 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
963 * tree-mudflap.c (mx_register_decls): Guard warning by
964 !DECL_ARTIFICIAL check.
966 2008-01-01 Jakub Jelinek <jakub@redhat.com>
968 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
969 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
970 sse5_perm<mode>): Fix constraints.