1 2008-01-24 Ben Elliston <bje@au.ibm.com>
4 * fixproto: Escape "." in sed expression that strips leading "./".
6 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
8 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9 stale and straggling -fforce-addr comments above.
11 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
13 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
14 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
16 2008-01-23 Michael Matz <matz@suse.de>
19 * dwarf2out.c (force_type_die): Use modified_type_die instead of
22 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
24 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
27 2008-01-23 Anatoly Sokolov <aesok@post.ru>
29 * config/avr/avr.c (avr_current_arch): New variable.
30 (avr_arch_types): Add 'avr31' and 'avr51' entries.
31 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
32 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
33 (avr_override_options): Init 'avr_current_arch'.
34 (base_arch_s): Move from here...
35 * config/avr/avr.h (base_arch_s): ... here. Add new members
36 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
37 'mega' to 'have_jmp_call'.
38 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
39 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
41 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
43 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
44 MULTILIB_MATCHES): (Ditto.).
46 2008-01-23 Richard Guenther <rguenther@suse.de>
49 * cgraphunit.c (cgraph_reset_node): Always mark the node
50 not reachable if it is not queued already.
52 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
54 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
55 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
56 (cputype_selected): New static variable.
57 (bfin_handle_option): Set it if -mcpu is used.
58 (override_option): Select default set of workarounds if no cpu type
59 selected on the command line.
60 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
62 From Michael Frysinger <michael.frysinger@analog.com>
63 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
64 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
66 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
67 for bf547, bf523, bf524, and bf526.
68 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
70 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
71 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
72 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
73 __ADSPBF547__ and __ADSPBF54x__ for bf547.
74 * doc/invoke.texi (Blackfin Options): Document that
75 -mcpu now accept bf547, bf523, bf524, and bf526.
77 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
79 PR rtl-optimization/34628
80 * combine.c (try_combine): Stop and undo after the first combination
81 if an autoincrement side-effect on the first insn has effectively
84 2008-01-22 David Edelsohn <edelsohn@gnu.org>
87 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
88 Offset addresses are not valid for Altivec or paired float modes.
90 2008-01-22 Jakub Jelinek <jakub@redhat.com>
93 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
94 if DECL_INITIAL (decl) is error_mark_node.
97 * c-common.c (handle_vector_size_attribute): Only allow
98 integral, scalar float and fixed point types. Handle OFFSET_TYPE
99 the same way as pointer, array etc. types.
100 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
103 * tree.c (build_type_attribute_qual_variant): Call
104 build_qualified_type if attributes are equal, but quals are not.
106 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
109 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
110 * flags.h (warn_strict_aliasing): Remove.
111 (warn_strict_overflow): Remove.
112 * opts.c (warn_strict_aliasing): Remove.
113 (warn_strict_overflow): Remove.
114 * c-opts.c (c_common_handle_option): -Wall only sets
115 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
116 (c_common_post_options): Give default values to -Wstrict-aliasing
117 and -Wstrict-overflow if they are uninitialized.
118 * common.opt (Wstrict-aliasing): Specify Var and Init.
119 (Wstrict-overflow): Likewise.
121 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
123 PR rtl-optimization/26854
124 PR rtl-optimization/34400
125 PR rtl-optimization/34884
126 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
128 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
129 (df_rd_bb_info.expanded_lr_out): Deleted
130 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
131 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
132 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
133 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
134 Removed code to allocate, initialize or free expanded_lr_out.
135 (df_rd_bb_local_compute_process_def): Restructured to make more
137 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
138 sets if the sets are being trimmed.
140 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
143 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
145 * configure: Regenerated.
147 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
150 * tree-pass.h (pass_build_alias): New pass.
151 * tree-ssa-alias.c (gate_build_alias): New.
152 (pass_build_alias): New.
153 * passes.c (init_optimization_passes): Add pass_build_alias after
154 pass_create_structure_vars.
156 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
158 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
159 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
160 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
161 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
162 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
163 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
164 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
165 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
166 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
167 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
168 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
169 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
170 * config/s390/s390.md (FP_ALL): New mode iterator.
171 (_d): New mode attribute.
172 ("*signbit<mode>2>"): Changed mode of first operand.
173 ("isinf<mode>2"): Changed mode of first operand.
174 ("*TDC_insn"): Adaptation for DFP modes.
176 2008-01-22 Ben Elliston <bje@au.ibm.com>
178 * tree.c (check_qualified_type): Improve function description.
180 2008-01-21 Jason Merrill <jason@redhat.com>
183 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
184 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
187 2008-01-21 DJ Delorie <dj@redhat.com>
189 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
192 2008-01-21 Richard Guenther <rguenther@suse.de>
195 * tree-cfg.c (verify_expr): Allow all invariant expressions
196 instead of just constant class ones as reference argument.
197 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
198 like any other constant.
199 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
201 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
203 * regmove.c (fixup_match_1): Update call crossed frequencies.
205 2008-01-21 Richard Guenther <rguenther@suse.de>
208 * tree-inline.c (setup_one_parameter): Deal with mismatched
209 types using a VIEW_CONVERT_EXPR.
211 2008-01-21 Alon Dayan <alond@il.ibm.com>
212 Olga Golovanevsky <olga@il.ibm.com>
214 PR tree-optimization/34701
215 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
216 when the structure size is not a power of 2.
218 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
220 * doc/install.texi: Add doc for --enable-checking=df.
222 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
224 PR rtl-optimization/34808
225 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
227 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
229 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
232 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
234 PR rtl-optimization/26854
235 PR rtl-optimization/34400
236 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
238 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
239 (df_rd_bb_info.expanded_lr_out): New.
240 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
241 * loop_iv.c (iv_analysis_loop_init): Ditto.
242 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
243 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
244 Added code to allocate, initialize or free expanded_lr_out.
245 (df_rd_bb_local_compute_process_def): Restructured to make
247 (df_rd_confluence_n): Add code to do nothing with fake edges and
248 code to no apply invalidate_by_call sets if the sets are being trimmed.
249 (df_lr_local_finalize): Renamed to df_lr_finalize.
250 (df_live_local_finalize): Renamed to df_live_finalize.
252 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
255 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
256 deciding whether to use reciprocal instructions.
258 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
260 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
261 dwarf2out_note_section_used if cold_text_section is NULL.
263 2008-01-19 Jakub Jelinek <jakub@redhat.com>
265 PR gcov-profile/34610
266 * tree-cfg.c (make_edges): Mark both outgoing edges from
267 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
268 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
269 from OMP_FOR and OMP_CONTINUE outgoing edges.
271 * tree-profile.c (tree_profiling): Return early if
272 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
274 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
275 from cfun to child_cfun.
276 * function.h (struct function): Add after_tree_profile bit.
278 2008-01-19 Anatoly Sokolov <aesok@post.ru>
280 * config/avr/avr.S (_exit): Disable interrupt.
282 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
283 Steven Bosscher <stevenb.gcc@gmail.com>
285 PR rtl-optimization/26854
286 PR rtl-optimization/34400
287 * df-problems.c (df_live_scratch): New scratch bitmap.
288 (df_live_alloc): Allocate df_live_scratch when doing df_live.
289 (df_live_reset): Clear the proper bitmaps.
290 (df_live_bb_local_compute): Only process the artificial defs once
291 since the order is not important.
292 (df_live_init): Init the df_live sets only with the variables
294 (df_live_transfer_function): Use the df_lr sets to prune the
295 df_live sets as they are being computed.
296 (df_live_free): Free df_live_scratch.
298 2008-01-18 Ian Lance Taylor <iant@google.com>
300 * common.opt: Add fmerge-debug-strings.
301 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
302 flag_merge_debug_strings rather than flag_merge_constants.
303 * doc/invoke.texi (Option Summary): Mention
304 -fmerge-debug-strings.
305 (Debugging Options): Document -fmerge-debug-strings.
307 2008-01-18 Ian Lance Taylor <iant@google.com>
310 * tree.h (DECL_IS_OPERATOR_NEW): Define.
311 (struct tree_function_decl): Add new field operator_new_flag.
312 * tree-inline.c (expand_call_inline): When inlining a call to
313 operator new, force the return value to go into a variable, and
314 set DECL_NO_TBAA_P on that variable.
315 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
317 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
320 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
321 DWARF2_DEBUGGING_INFO.
322 (dwarf2out_note_section_used): Ditto. Add prototype.
323 (have_multiple_function_sections, text_section_used,
324 cold_text_section_used, *cold_text_sections): Move declarations
327 2007-01-17 Bob Wilson <bob.wilson@acm.org>
329 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
330 field and add signal_ra.
331 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
332 assignments to frame state pc. Move end of stack check after
333 MD_FALLBACK_FRAME_STATE_FOR.
334 (uw_update_context_1): Use frame state signal_regs if set, instead
335 of checking signal_frame flag.
336 (uw_update_context): Use frame state signal_ra if set.
337 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
338 * config/xtensa/linux-unwind.h: New file.
340 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
342 * modulo-sched.c (get_sched_window): Fix comment typo.
344 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
346 PR tree-optimization/34648
347 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
349 2008-01-17 Anatoly Sokolov <aesok@post.ru>
351 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
352 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
354 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
356 PR rtl-optimization/34400
357 * df-core.c (df_worklist_dataflow_overeager,
358 df_worklist_dataflow_doublequeue): New functions.
359 (df_worklist_dataflow): Two different worklist solvers.
360 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
363 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
366 * doc/invoke.texi: Document the dependence on pthread for fopenmp
367 and ftree-parallelize-loops.
369 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
371 PR rtl-optimization/34826
372 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
374 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
376 * global.c (find_reg): Mark the eh regs as used if necessary.
377 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
378 * ra.h (struct allocno): no_eh_reg field added. Changed
379 no_stack_reg type to bitfield.
381 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
383 * tree.c (substitute_in_expr): Add missing 'break'.
385 2008-01-17 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/34825
388 * tree-ssa-math-opts.c (is_division_by): Do not recognize
389 x / x as division to handle.
391 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
393 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
394 "-pthread" is specified.
395 * pa-hpux11.h (LIB_SPEC): Likewise.
397 2007-01-16 Janis Johnson <janis187@us.ibm.com>
398 Peter Bergner <bergner@vnet.ibm.com>
400 PR rtl-optimization/33796
401 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
403 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
406 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
408 * pa-hpux10.h (LINK_SPEC): Likewise.
409 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
411 2008-01-16 Richard Guenther <rguenther@suse.de>
414 * fold-const.c (fold_convert_const_int_from_int): Do not
415 set overflow if that occured only because of a sign extension
416 change when converting from/to a sizetype with the same
417 precision and signedness.
419 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
422 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
423 location address to the correct place. Update copyright year.
425 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
427 * lambda-code.c (lambda_transform_legal_p): Handle the case of
428 no dependences in the dependence_relations vector.
430 2008-01-16 Jan Hubicka <jh@suse.cz>
432 PR rtl-optimization/31396
433 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
434 * cfg.c (dump_reg_info): Print it.
435 * regs.h (struct reg_info_t): add freq_calls_crossed.
436 (REG_FREQ_CALLS_CROSSED): New macro.
437 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
438 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
439 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
440 regmove_optimize): Update call crossed frequencies.
441 * local-alloc.c (struct qty): Add freq_calls_crossed.
442 (alloc_qty): Copute freq_calls_crossed.
443 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
444 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
445 * ra.h (struct allocno): Add freq_calls_crossed.
447 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
449 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
450 libgomp when compiling with ftree-parallelize-loops.
451 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
453 2008-01-16 Richard Guenther <rguenther@suse.de>
455 PR tree-optimization/34769
456 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
457 * tree.c (int_cst_value): Instead make this function more
458 permissive in what it accepts as valid input. Document this
459 function always sign-extends the value.
461 2008-01-16 Jakub Jelinek <jakub@redhat.com>
462 Richard Guenther <rguenther@suse.de>
465 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
466 (gimple_fold_indirect_ref_rhs): ... this.
467 (gimple_fold_indirect_ref): New function with foldings
468 that preserve lvalueness.
469 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
470 * tree-flow.h (gimple_fold_indirect_ref): Declare.
471 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
472 to fold an INDIRECT_REF, fall back to the old use of
475 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
477 * tree-data-ref.c (subscript_dependence_tester_1): Call
478 free_conflict_function.
479 (compute_self_dependence): Same.
481 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
484 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
485 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
487 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
488 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
489 for DWARF2_UNWIND_INFO targets.
491 2008-01-16 Richard Guenther <rguenther@suse.de>
494 * c-typeck.c (common_pointer_type): Do not merge inconsistent
495 type qualifiers for function types.
497 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
499 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
500 loop_iterator li from previous commit.
502 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
504 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
506 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
508 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
509 (parallelize_loops): Don't parallelize irreducible components.
511 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
514 * c-opts (c_common_post_options): Do not enable CPP
515 flag_pedantic_errors by default.
517 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
519 PR rtl-optimization/31944
520 * cse.c (remove_pseudo_from_table): New function.
521 (merge_equiv_classes): Use above function to remove pseudo-registers.
522 (invalidate): Likewise.
524 2008-01-13 Richard Guenther <rguenther@suse.de>
527 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
528 instead of TYPE_MODE to deal with calls from expand_one_error_var.
530 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
532 * gcse.c (cprop_jump): Call validate_unshare_change instead of
533 validate_change to unshare the source of the PC set.
535 2008-01-12 Jan Hubicka <jh@suse.cz>
538 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
539 references above array bounds. This might trigger bounds checks for
542 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
544 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
545 new_replaceable_dependencies.
547 2008-01-12 Doug Kwan <dougkwan@google.com>
549 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
550 instead of OPT_Wreturn_type in warning due to ignored return type
552 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
553 options included in -Wextra.
554 * c.opt: New option -Wignored_qualifiers.
555 * doc/invoke.texi (Warning Options, -Wextra): Add new option
557 (-Wignored-qualifiers): Document.
558 (-Wreturn-type): Remove description of functionality now handled
559 by -Wignored-qualifiers.
561 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
564 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
565 NOP_EXPR if it is between integral types with the same precision.
567 2008-01-12 Jan Hubicka <jh@suse.cz>
570 * invoke.texi (max-inline-recursive-depth): Fix default value.
572 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
574 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
577 2008-01-11 Bob Wilson <bob.wilson@acm.org>
579 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
581 2008-01-11 James E. Wilson <wilson@specifix.com>
584 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
586 2008-01-11 Anatoly Sokolov <aesok@post.ru>
588 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
589 save/restore frame pointer register and don't use 'call-prologues'
590 optimization in function with "OS_task" attribute.
592 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
595 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
596 when copying to memory.
598 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
600 PR rtl-optimization/30905
601 * cfgcleanup.c: Include dce.h
602 (crossjumps_occured): New global variable.
603 (try_crossjump_bb): Exit loop after finding a fallthru edge.
604 If something changed, set crossjumps_occured to true.
605 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
606 Don't add/remove fake edges to exit here...
607 (cleanup_cfg): ...but do it here, when crossjumping.
608 Run a fast DCE when successful crossjumps occured in the latest
609 iteration of try_optimize_cfg.
611 2008-01-11 Richard Guenther <rguenther@suse.de>
613 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
614 (struct vn_unary_op_s): Likewise.
615 (vn_reference_insert): Free old reference on hash collision.
617 2008-01-10 Raksit Ashok <raksit@google.com>
619 PR rtl-optimization/27971
620 * combine.c (find_split_point): Split PLUS expressions which are
621 inside a MEM rtx, and whose first operand is complex.
623 2008-01-10 DJ Delorie <dj@redhat.com>
625 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
626 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
627 (m32c_hard_regno_ok): Call the underlying function.
629 2008-01-10 Richard Guenther <rguenther@suse.de>
632 * tree-cfg.c (tree_merge_blocks): Do not go through the
633 full-blown folding and stmt updating path if we just deal
634 with virtual operands.
635 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
636 test for abnormal SSA_NAMEs.
638 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
641 * reload.c (push_reload): Add assertions. All constants from
642 reg_equiv_constant should have been used for replacing the respective
644 (find_reloads_address): Invoke find_reloads_address_part for
645 constant taken from the reg_equiv_constant array.
647 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
649 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
650 field (valnum) the first in the struct. Replace bools with
653 2008-01-10 Richard Guenther <rguenther@suse.de>
655 PR tree-optimization/34651
656 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
657 types and ordering for masking and converting.
659 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
661 PR tree-optimization/34017
662 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
663 also for PHI_NODE expressions.
665 2008-01-09 Jan Hubicka <jh@suse.cz>
667 PR tree-optimization/34708
668 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
669 based on number of case labels.
670 (init_inline_once): Remove switch_cost.
671 * tree-inline.h (eni_weights_d): Remove switch_cost.
673 2008-01-09 Richard Guenther <rguenther@suse.de>
674 Andrew Pinski <andrew_pinski@playstation.sony.com>
677 * gimplify.c (gimplify_cond_expr): Do not create an addressable
678 temporary if an rvalue is ok or an lvalue is not required.
680 2008-01-09 Richard Guenther <rguenther@suse.de>
683 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
686 2008-01-09 Richard Guenther <rguenther@suse.de>
689 * tree.c (host_integerp): Check for sizetype only if the
690 type is an integer type.
692 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
695 * opts.c (decode_options): Disable inlining of functions called
696 once if not in unit-at-a-time mode.
698 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
700 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
702 2008-01-08 Richard Guenther <rguenther@suse.de>
705 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
706 out early if the result will be unused.
708 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
713 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
714 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
717 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
719 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
720 for vectorization tuned.
722 2008-01-08 Richard Guenther <rguenther@suse.de>
724 PR tree-optimization/34683
725 * tree-ssa-operands.c (operand_build_cmp): Export.
726 * tree-ssa-operands.h (operand_build_cmp): Declare.
727 * tree-vn.c (vuses_compare): Remove.
728 (sort_vuses): Use operand_build_cmp.
729 (sort_vuses_heap): Likewise.
730 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
731 to re-use old VEC if available. Do not sort already sorted VUSEs.
732 (vdefs_to_vec): Do not sort already sorted VDEFs.
734 2008-01-08 Jakub Jelinek <jakub@redhat.com>
737 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
739 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
742 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
743 limitations of reciprocal sequences on x86 targets.
745 2008-01-08 Richard Guenther <rguenther@suse.de>
747 PR tree-optimization/34683
748 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
750 2008-01-07 Jakub Jelinek <jakub@redhat.com>
753 * config/darwin.c (darwin_mergeable_string_section): Don't use
754 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
756 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
759 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
760 negxf2. Macroize expander using X87MODEF mode iterator. Change
761 predicates of op0 and op1 to register_operand.
762 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
763 expander using X87MODEF mode iterator. Change predicates of
764 op0 and op1 to register_operand.
765 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
766 corresponding patterns and macroize using MODEF macro. Change
767 predicates of op0 and op1 to register_operand and remove
768 "m" constraint. Disparage "r" alternative with "!".
769 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
770 macroize using X87MODEF macro. Change predicates of op0 and op1
771 to register_operand and remove "m" constraint. Disparage "r"
772 alternative with "!".
773 (absneg splitter with memory operands): Remove.
774 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
775 patterns and macroize using X87MODEF mode iterator.
776 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
777 Change predicate of op1 to register_operand.
778 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
781 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
783 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
785 2008-01-07 Richard Guenther <rguenther@suse.de>
787 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
790 2008-01-07 Richard Guenther <rguenther@suse.de>
792 PR tree-optimization/34683
793 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
794 VOPs of the needed size to save memory. Use VEC_quick_push
795 to save compile-time.
796 (vdefs_to_vec): Likewise.
798 2008-01-07 Sa Liu <saliu@de.ibm.com>
800 * config/spu/spu.md (divdf3): Genetate inline code for double
801 division. The implementation doesn't handle INF or NAN, therefore it
802 only applies when -ffinite-math-only is given.
804 2008-01-06 Paolo Carlini <pcarlini@suse.de>
807 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
808 * doc/cpp.texi ([Common Predefined Macros]): Document.
810 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
812 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
813 order to use commutative addition instead of subtraction.
815 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
816 Mircea Namolaru <namolaru@il.ibm.com>
817 Vladimir Yanovsky <yanov@il.ibm.com>
818 Revital Eres <eres@il.ibm.com>
820 PR tree-optimization/34263
821 * tree-outof-ssa.c (process_single_block_loop_latch,
822 contains_tree_r): New functions.
823 (analyze_edges_for_bb): Call process_single_block_loop_latch
824 function to empty single-basic-block latch block if possible.
826 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
828 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
830 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
832 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
834 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
836 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
838 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
840 2008-01-05 Jakub Jelinek <jakub@redhat.com>
842 PR tree-optimization/34618
843 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
846 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
849 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
850 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
851 Update copyright year.
853 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
854 Update copyright year.
855 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
858 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
860 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
861 edge does not point to current bb before changing need_assert.
863 2008-01-04 Richard Guenther <rguenther@suse.de>
866 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
867 for verifying purposes if they are is_gimple_min_invariant.
869 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
871 PR tree-optimization/34448
872 PR tree-optimization/34465
873 * gimplify.c (gimplify_init_constructor): Add new parameter
874 notify_temp_creation. Use it.
875 (gimplify_modify_expr_rhs): Take volatiles into account when
876 optimizing constructors.
877 Do not optimize constructors if gimplify_init_constructor will dump to
879 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
880 * gcc.c-torture/compile/pr34448.c: New.
882 2008-01-04 Jakub Jelinek <jakub@redhat.com>
884 PR gcov-profile/34609
885 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
886 return_slot if result is TREE_ADDRESSABLE.
888 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
890 * config/mips/mips.md (sqrt_condition): Tweak comment.
891 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
893 2008-01-03 Tom Tromey <tromey@redhat.com>
896 * c-common.c (c_type_hash): Handle VLAs.
898 2008-01-03 Jan Hubicka <jh@suse.cz>
900 PR tree-optimization/31081
901 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
902 0 when inlining and not inlining to first basic block.
903 (remap_decl): When var is initialized to 0, don't set default_def.
904 (expand_call_inline): Set entry_bb.
905 * tree-inline.h (copy_body_data): Add entry_bb.
907 2008-01-03 Jakub Jelinek <jakub@redhat.com>
910 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
913 PR tree-optimization/29484
914 * tree-inline.c (inline_forbidden_p_2): New function.
915 (inline_forbidden_p): Disallow inlining if some static var
916 has an address of a local LABEL_DECL in its initializer.
917 * doc/extend.texi (Labels as Values): Document &&foo behaviour
920 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
922 PR tree-optimization/34635
923 * tree-data-ref.c (add_other_self_distances): Make sure that the
924 evolution step is constant.
926 2008-01-03 Jakub Jelinek <jakub@redhat.com>
929 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
931 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
933 * tree-sra.c (scalarize_init): Insert the generate_element_init
934 statements after the generate_element_zero statements.
936 2008-01-02 Richard Guenther <rguenther@suse.de>
940 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
941 for very large number of operands instead of ICEing.
943 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
946 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
949 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
951 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
954 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
957 * tree-mudflap.c (mx_register_decls): Guard warning by
958 !DECL_ARTIFICIAL check.
960 2008-01-01 Jakub Jelinek <jakub@redhat.com>
962 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
963 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
964 sse5_perm<mode>): Fix constraints.