1 2008-01-25 Ben Elliston <bje@au.ibm.com>
4 * fixproto: Escape "." in sed expression that strips leading "./".
6 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
9 * gcc.c (SWITCH_OK): Removed.
10 (SWITCH_LIVE): Changed to bit.
11 (SWITCH_FALSE): Likewise.
12 (SWITCH_IGNORE): Likewise.
13 (switchstr): Change live_cond to unsigned int.
14 (process_command): Replace SWITCH_OK with 0.
15 (do_self_spec): Likewise.
16 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
17 (give_switch): Likewise.
19 (do_spec_1): Set the SWITCH_IGNORE bit.
20 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
21 bits. Set the SWITCH_LIVE bit.
23 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
25 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
27 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
29 PR tree-optimization/34472
30 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
31 parameter to a "bool *" and set *DATA to false if there is
32 an unsafe access. Do not delete the structure here.
33 (check_cond_exprs): Delete it here instead.
34 (check_cond_exprs, exclude_cold_structs): Do not increase
35 I when removing a structure.
37 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
40 * config/i386/i386.c (ix86_expand_vector_init): Consider only
41 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
43 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
46 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
47 a fixed vector for stack.
49 2008-01-24 Ben Elliston <bje@au.ibm.com>
52 * doc/gcc.texi (Software development): Add a direntry for g++.
54 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
56 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
57 stale and straggling -fforce-addr comments above.
59 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
61 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
62 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
64 2008-01-23 Michael Matz <matz@suse.de>
67 * dwarf2out.c (force_type_die): Use modified_type_die instead of
70 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
72 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
75 2008-01-23 Anatoly Sokolov <aesok@post.ru>
77 * config/avr/avr.c (avr_current_arch): New variable.
78 (avr_arch_types): Add 'avr31' and 'avr51' entries.
79 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
80 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
81 (avr_override_options): Init 'avr_current_arch'.
82 (base_arch_s): Move from here...
83 * config/avr/avr.h (base_arch_s): ... here. Add new members
84 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
85 'mega' to 'have_jmp_call'.
86 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
87 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
89 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
91 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
92 MULTILIB_MATCHES): (Ditto.).
94 2008-01-23 Richard Guenther <rguenther@suse.de>
97 * cgraphunit.c (cgraph_reset_node): Always mark the node
98 not reachable if it is not queued already.
100 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
102 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
103 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
104 (cputype_selected): New static variable.
105 (bfin_handle_option): Set it if -mcpu is used.
106 (override_option): Select default set of workarounds if no cpu type
107 selected on the command line.
108 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
110 From Michael Frysinger <michael.frysinger@analog.com>
111 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
112 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
114 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
115 for bf547, bf523, bf524, and bf526.
116 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
118 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
119 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
120 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
121 __ADSPBF547__ and __ADSPBF54x__ for bf547.
122 * doc/invoke.texi (Blackfin Options): Document that
123 -mcpu now accept bf547, bf523, bf524, and bf526.
125 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
127 PR rtl-optimization/34628
128 * combine.c (try_combine): Stop and undo after the first combination
129 if an autoincrement side-effect on the first insn has effectively
132 2008-01-22 David Edelsohn <edelsohn@gnu.org>
135 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
136 Offset addresses are not valid for Altivec or paired float modes.
138 2008-01-22 Jakub Jelinek <jakub@redhat.com>
141 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
142 if DECL_INITIAL (decl) is error_mark_node.
145 * c-common.c (handle_vector_size_attribute): Only allow
146 integral, scalar float and fixed point types. Handle OFFSET_TYPE
147 the same way as pointer, array etc. types.
148 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
151 * tree.c (build_type_attribute_qual_variant): Call
152 build_qualified_type if attributes are equal, but quals are not.
154 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
157 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
158 * flags.h (warn_strict_aliasing): Remove.
159 (warn_strict_overflow): Remove.
160 * opts.c (warn_strict_aliasing): Remove.
161 (warn_strict_overflow): Remove.
162 * c-opts.c (c_common_handle_option): -Wall only sets
163 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
164 (c_common_post_options): Give default values to -Wstrict-aliasing
165 and -Wstrict-overflow if they are uninitialized.
166 * common.opt (Wstrict-aliasing): Specify Var and Init.
167 (Wstrict-overflow): Likewise.
169 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
171 PR rtl-optimization/26854
172 PR rtl-optimization/34400
173 PR rtl-optimization/34884
174 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
176 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
177 (df_rd_bb_info.expanded_lr_out): Deleted
178 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
179 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
180 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
181 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
182 Removed code to allocate, initialize or free expanded_lr_out.
183 (df_rd_bb_local_compute_process_def): Restructured to make more
185 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
186 sets if the sets are being trimmed.
188 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
191 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
193 * configure: Regenerated.
195 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
198 * tree-pass.h (pass_build_alias): New pass.
199 * tree-ssa-alias.c (gate_build_alias): New.
200 (pass_build_alias): New.
201 * passes.c (init_optimization_passes): Add pass_build_alias after
202 pass_create_structure_vars.
204 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
206 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
207 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
208 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
209 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
210 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
211 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
212 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
213 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
214 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
215 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
216 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
217 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
218 * config/s390/s390.md (FP_ALL): New mode iterator.
219 (_d): New mode attribute.
220 ("*signbit<mode>2>"): Changed mode of first operand.
221 ("isinf<mode>2"): Changed mode of first operand.
222 ("*TDC_insn"): Adaptation for DFP modes.
224 2008-01-22 Ben Elliston <bje@au.ibm.com>
226 * tree.c (check_qualified_type): Improve function description.
228 2008-01-21 Jason Merrill <jason@redhat.com>
231 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
232 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
235 2008-01-21 DJ Delorie <dj@redhat.com>
237 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
240 2008-01-21 Richard Guenther <rguenther@suse.de>
243 * tree-cfg.c (verify_expr): Allow all invariant expressions
244 instead of just constant class ones as reference argument.
245 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
246 like any other constant.
247 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
249 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
251 * regmove.c (fixup_match_1): Update call crossed frequencies.
253 2008-01-21 Richard Guenther <rguenther@suse.de>
256 * tree-inline.c (setup_one_parameter): Deal with mismatched
257 types using a VIEW_CONVERT_EXPR.
259 2008-01-21 Alon Dayan <alond@il.ibm.com>
260 Olga Golovanevsky <olga@il.ibm.com>
262 PR tree-optimization/34701
263 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
264 when the structure size is not a power of 2.
266 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
268 * doc/install.texi: Add doc for --enable-checking=df.
270 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
272 PR rtl-optimization/34808
273 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
275 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
277 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
280 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
282 PR rtl-optimization/26854
283 PR rtl-optimization/34400
284 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
286 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
287 (df_rd_bb_info.expanded_lr_out): New.
288 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
289 * loop_iv.c (iv_analysis_loop_init): Ditto.
290 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
291 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
292 Added code to allocate, initialize or free expanded_lr_out.
293 (df_rd_bb_local_compute_process_def): Restructured to make
295 (df_rd_confluence_n): Add code to do nothing with fake edges and
296 code to no apply invalidate_by_call sets if the sets are being trimmed.
297 (df_lr_local_finalize): Renamed to df_lr_finalize.
298 (df_live_local_finalize): Renamed to df_live_finalize.
300 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
303 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
304 deciding whether to use reciprocal instructions.
306 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
308 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
309 dwarf2out_note_section_used if cold_text_section is NULL.
311 2008-01-19 Jakub Jelinek <jakub@redhat.com>
313 PR gcov-profile/34610
314 * tree-cfg.c (make_edges): Mark both outgoing edges from
315 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
316 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
317 from OMP_FOR and OMP_CONTINUE outgoing edges.
319 * tree-profile.c (tree_profiling): Return early if
320 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
322 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
323 from cfun to child_cfun.
324 * function.h (struct function): Add after_tree_profile bit.
326 2008-01-19 Anatoly Sokolov <aesok@post.ru>
328 * config/avr/avr.S (_exit): Disable interrupt.
330 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
331 Steven Bosscher <stevenb.gcc@gmail.com>
333 PR rtl-optimization/26854
334 PR rtl-optimization/34400
335 * df-problems.c (df_live_scratch): New scratch bitmap.
336 (df_live_alloc): Allocate df_live_scratch when doing df_live.
337 (df_live_reset): Clear the proper bitmaps.
338 (df_live_bb_local_compute): Only process the artificial defs once
339 since the order is not important.
340 (df_live_init): Init the df_live sets only with the variables
342 (df_live_transfer_function): Use the df_lr sets to prune the
343 df_live sets as they are being computed.
344 (df_live_free): Free df_live_scratch.
346 2008-01-18 Ian Lance Taylor <iant@google.com>
348 * common.opt: Add fmerge-debug-strings.
349 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
350 flag_merge_debug_strings rather than flag_merge_constants.
351 * doc/invoke.texi (Option Summary): Mention
352 -fmerge-debug-strings.
353 (Debugging Options): Document -fmerge-debug-strings.
355 2008-01-18 Ian Lance Taylor <iant@google.com>
358 * tree.h (DECL_IS_OPERATOR_NEW): Define.
359 (struct tree_function_decl): Add new field operator_new_flag.
360 * tree-inline.c (expand_call_inline): When inlining a call to
361 operator new, force the return value to go into a variable, and
362 set DECL_NO_TBAA_P on that variable.
363 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
365 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
368 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
369 DWARF2_DEBUGGING_INFO.
370 (dwarf2out_note_section_used): Ditto. Add prototype.
371 (have_multiple_function_sections, text_section_used,
372 cold_text_section_used, *cold_text_sections): Move declarations
375 2007-01-17 Bob Wilson <bob.wilson@acm.org>
377 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
378 field and add signal_ra.
379 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
380 assignments to frame state pc. Move end of stack check after
381 MD_FALLBACK_FRAME_STATE_FOR.
382 (uw_update_context_1): Use frame state signal_regs if set, instead
383 of checking signal_frame flag.
384 (uw_update_context): Use frame state signal_ra if set.
385 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
386 * config/xtensa/linux-unwind.h: New file.
388 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
390 * modulo-sched.c (get_sched_window): Fix comment typo.
392 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
394 PR tree-optimization/34648
395 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
397 2008-01-17 Anatoly Sokolov <aesok@post.ru>
399 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
400 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
402 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
404 PR rtl-optimization/34400
405 * df-core.c (df_worklist_dataflow_overeager,
406 df_worklist_dataflow_doublequeue): New functions.
407 (df_worklist_dataflow): Two different worklist solvers.
408 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
411 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
414 * doc/invoke.texi: Document the dependence on pthread for fopenmp
415 and ftree-parallelize-loops.
417 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
419 PR rtl-optimization/34826
420 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
422 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
424 * global.c (find_reg): Mark the eh regs as used if necessary.
425 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
426 * ra.h (struct allocno): no_eh_reg field added. Changed
427 no_stack_reg type to bitfield.
429 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
431 * tree.c (substitute_in_expr): Add missing 'break'.
433 2008-01-17 Richard Guenther <rguenther@suse.de>
435 PR tree-optimization/34825
436 * tree-ssa-math-opts.c (is_division_by): Do not recognize
437 x / x as division to handle.
439 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
441 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
442 "-pthread" is specified.
443 * pa-hpux11.h (LIB_SPEC): Likewise.
445 2007-01-16 Janis Johnson <janis187@us.ibm.com>
446 Peter Bergner <bergner@vnet.ibm.com>
448 PR rtl-optimization/33796
449 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
451 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
454 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
456 * pa-hpux10.h (LINK_SPEC): Likewise.
457 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
459 2008-01-16 Richard Guenther <rguenther@suse.de>
462 * fold-const.c (fold_convert_const_int_from_int): Do not
463 set overflow if that occured only because of a sign extension
464 change when converting from/to a sizetype with the same
465 precision and signedness.
467 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
470 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
471 location address to the correct place. Update copyright year.
473 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
475 * lambda-code.c (lambda_transform_legal_p): Handle the case of
476 no dependences in the dependence_relations vector.
478 2008-01-16 Jan Hubicka <jh@suse.cz>
480 PR rtl-optimization/31396
481 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
482 * cfg.c (dump_reg_info): Print it.
483 * regs.h (struct reg_info_t): add freq_calls_crossed.
484 (REG_FREQ_CALLS_CROSSED): New macro.
485 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
486 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
487 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
488 regmove_optimize): Update call crossed frequencies.
489 * local-alloc.c (struct qty): Add freq_calls_crossed.
490 (alloc_qty): Copute freq_calls_crossed.
491 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
492 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
493 * ra.h (struct allocno): Add freq_calls_crossed.
495 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
497 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
498 libgomp when compiling with ftree-parallelize-loops.
499 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
501 2008-01-16 Richard Guenther <rguenther@suse.de>
503 PR tree-optimization/34769
504 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
505 * tree.c (int_cst_value): Instead make this function more
506 permissive in what it accepts as valid input. Document this
507 function always sign-extends the value.
509 2008-01-16 Jakub Jelinek <jakub@redhat.com>
510 Richard Guenther <rguenther@suse.de>
513 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
514 (gimple_fold_indirect_ref_rhs): ... this.
515 (gimple_fold_indirect_ref): New function with foldings
516 that preserve lvalueness.
517 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
518 * tree-flow.h (gimple_fold_indirect_ref): Declare.
519 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
520 to fold an INDIRECT_REF, fall back to the old use of
523 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
525 * tree-data-ref.c (subscript_dependence_tester_1): Call
526 free_conflict_function.
527 (compute_self_dependence): Same.
529 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
532 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
533 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
535 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
536 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
537 for DWARF2_UNWIND_INFO targets.
539 2008-01-16 Richard Guenther <rguenther@suse.de>
542 * c-typeck.c (common_pointer_type): Do not merge inconsistent
543 type qualifiers for function types.
545 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
547 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
548 loop_iterator li from previous commit.
550 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
552 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
554 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
556 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
557 (parallelize_loops): Don't parallelize irreducible components.
559 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
562 * c-opts (c_common_post_options): Do not enable CPP
563 flag_pedantic_errors by default.
565 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
567 PR rtl-optimization/31944
568 * cse.c (remove_pseudo_from_table): New function.
569 (merge_equiv_classes): Use above function to remove pseudo-registers.
570 (invalidate): Likewise.
572 2008-01-13 Richard Guenther <rguenther@suse.de>
575 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
576 instead of TYPE_MODE to deal with calls from expand_one_error_var.
578 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
580 * gcse.c (cprop_jump): Call validate_unshare_change instead of
581 validate_change to unshare the source of the PC set.
583 2008-01-12 Jan Hubicka <jh@suse.cz>
586 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
587 references above array bounds. This might trigger bounds checks for
590 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
592 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
593 new_replaceable_dependencies.
595 2008-01-12 Doug Kwan <dougkwan@google.com>
597 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
598 instead of OPT_Wreturn_type in warning due to ignored return type
600 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
601 options included in -Wextra.
602 * c.opt: New option -Wignored_qualifiers.
603 * doc/invoke.texi (Warning Options, -Wextra): Add new option
605 (-Wignored-qualifiers): Document.
606 (-Wreturn-type): Remove description of functionality now handled
607 by -Wignored-qualifiers.
609 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
612 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
613 NOP_EXPR if it is between integral types with the same precision.
615 2008-01-12 Jan Hubicka <jh@suse.cz>
618 * invoke.texi (max-inline-recursive-depth): Fix default value.
620 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
622 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
625 2008-01-11 Bob Wilson <bob.wilson@acm.org>
627 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
629 2008-01-11 James E. Wilson <wilson@specifix.com>
632 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
634 2008-01-11 Anatoly Sokolov <aesok@post.ru>
636 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
637 save/restore frame pointer register and don't use 'call-prologues'
638 optimization in function with "OS_task" attribute.
640 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
643 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
644 when copying to memory.
646 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
648 PR rtl-optimization/30905
649 * cfgcleanup.c: Include dce.h
650 (crossjumps_occured): New global variable.
651 (try_crossjump_bb): Exit loop after finding a fallthru edge.
652 If something changed, set crossjumps_occured to true.
653 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
654 Don't add/remove fake edges to exit here...
655 (cleanup_cfg): ...but do it here, when crossjumping.
656 Run a fast DCE when successful crossjumps occured in the latest
657 iteration of try_optimize_cfg.
659 2008-01-11 Richard Guenther <rguenther@suse.de>
661 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
662 (struct vn_unary_op_s): Likewise.
663 (vn_reference_insert): Free old reference on hash collision.
665 2008-01-10 Raksit Ashok <raksit@google.com>
667 PR rtl-optimization/27971
668 * combine.c (find_split_point): Split PLUS expressions which are
669 inside a MEM rtx, and whose first operand is complex.
671 2008-01-10 DJ Delorie <dj@redhat.com>
673 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
674 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
675 (m32c_hard_regno_ok): Call the underlying function.
677 2008-01-10 Richard Guenther <rguenther@suse.de>
680 * tree-cfg.c (tree_merge_blocks): Do not go through the
681 full-blown folding and stmt updating path if we just deal
682 with virtual operands.
683 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
684 test for abnormal SSA_NAMEs.
686 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
689 * reload.c (push_reload): Add assertions. All constants from
690 reg_equiv_constant should have been used for replacing the respective
692 (find_reloads_address): Invoke find_reloads_address_part for
693 constant taken from the reg_equiv_constant array.
695 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
697 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
698 field (valnum) the first in the struct. Replace bools with
701 2008-01-10 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/34651
704 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
705 types and ordering for masking and converting.
707 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
709 PR tree-optimization/34017
710 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
711 also for PHI_NODE expressions.
713 2008-01-09 Jan Hubicka <jh@suse.cz>
715 PR tree-optimization/34708
716 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
717 based on number of case labels.
718 (init_inline_once): Remove switch_cost.
719 * tree-inline.h (eni_weights_d): Remove switch_cost.
721 2008-01-09 Richard Guenther <rguenther@suse.de>
722 Andrew Pinski <andrew_pinski@playstation.sony.com>
725 * gimplify.c (gimplify_cond_expr): Do not create an addressable
726 temporary if an rvalue is ok or an lvalue is not required.
728 2008-01-09 Richard Guenther <rguenther@suse.de>
731 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
734 2008-01-09 Richard Guenther <rguenther@suse.de>
737 * tree.c (host_integerp): Check for sizetype only if the
738 type is an integer type.
740 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
743 * opts.c (decode_options): Disable inlining of functions called
744 once if not in unit-at-a-time mode.
746 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
748 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
750 2008-01-08 Richard Guenther <rguenther@suse.de>
753 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
754 out early if the result will be unused.
756 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
761 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
762 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
765 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
767 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
768 for vectorization tuned.
770 2008-01-08 Richard Guenther <rguenther@suse.de>
772 PR tree-optimization/34683
773 * tree-ssa-operands.c (operand_build_cmp): Export.
774 * tree-ssa-operands.h (operand_build_cmp): Declare.
775 * tree-vn.c (vuses_compare): Remove.
776 (sort_vuses): Use operand_build_cmp.
777 (sort_vuses_heap): Likewise.
778 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
779 to re-use old VEC if available. Do not sort already sorted VUSEs.
780 (vdefs_to_vec): Do not sort already sorted VDEFs.
782 2008-01-08 Jakub Jelinek <jakub@redhat.com>
785 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
787 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
790 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
791 limitations of reciprocal sequences on x86 targets.
793 2008-01-08 Richard Guenther <rguenther@suse.de>
795 PR tree-optimization/34683
796 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
798 2008-01-07 Jakub Jelinek <jakub@redhat.com>
801 * config/darwin.c (darwin_mergeable_string_section): Don't use
802 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
804 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
807 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
808 negxf2. Macroize expander using X87MODEF mode iterator. Change
809 predicates of op0 and op1 to register_operand.
810 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
811 expander using X87MODEF mode iterator. Change predicates of
812 op0 and op1 to register_operand.
813 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
814 corresponding patterns and macroize using MODEF macro. Change
815 predicates of op0 and op1 to register_operand and remove
816 "m" constraint. Disparage "r" alternative with "!".
817 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
818 macroize using X87MODEF macro. Change predicates of op0 and op1
819 to register_operand and remove "m" constraint. Disparage "r"
820 alternative with "!".
821 (absneg splitter with memory operands): Remove.
822 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
823 patterns and macroize using X87MODEF mode iterator.
824 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
825 Change predicate of op1 to register_operand.
826 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
829 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
831 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
833 2008-01-07 Richard Guenther <rguenther@suse.de>
835 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
838 2008-01-07 Richard Guenther <rguenther@suse.de>
840 PR tree-optimization/34683
841 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
842 VOPs of the needed size to save memory. Use VEC_quick_push
843 to save compile-time.
844 (vdefs_to_vec): Likewise.
846 2008-01-07 Sa Liu <saliu@de.ibm.com>
848 * config/spu/spu.md (divdf3): Genetate inline code for double
849 division. The implementation doesn't handle INF or NAN, therefore it
850 only applies when -ffinite-math-only is given.
852 2008-01-06 Paolo Carlini <pcarlini@suse.de>
855 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
856 * doc/cpp.texi ([Common Predefined Macros]): Document.
858 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
860 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
861 order to use commutative addition instead of subtraction.
863 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
864 Mircea Namolaru <namolaru@il.ibm.com>
865 Vladimir Yanovsky <yanov@il.ibm.com>
866 Revital Eres <eres@il.ibm.com>
868 PR tree-optimization/34263
869 * tree-outof-ssa.c (process_single_block_loop_latch,
870 contains_tree_r): New functions.
871 (analyze_edges_for_bb): Call process_single_block_loop_latch
872 function to empty single-basic-block latch block if possible.
874 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
876 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
878 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
880 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
882 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
884 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
886 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
888 2008-01-05 Jakub Jelinek <jakub@redhat.com>
890 PR tree-optimization/34618
891 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
894 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
897 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
898 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
899 Update copyright year.
901 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
902 Update copyright year.
903 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
906 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
908 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
909 edge does not point to current bb before changing need_assert.
911 2008-01-04 Richard Guenther <rguenther@suse.de>
914 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
915 for verifying purposes if they are is_gimple_min_invariant.
917 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
919 PR tree-optimization/34448
920 PR tree-optimization/34465
921 * gimplify.c (gimplify_init_constructor): Add new parameter
922 notify_temp_creation. Use it.
923 (gimplify_modify_expr_rhs): Take volatiles into account when
924 optimizing constructors.
925 Do not optimize constructors if gimplify_init_constructor will dump to
927 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
928 * gcc.c-torture/compile/pr34448.c: New.
930 2008-01-04 Jakub Jelinek <jakub@redhat.com>
932 PR gcov-profile/34609
933 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
934 return_slot if result is TREE_ADDRESSABLE.
936 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
938 * config/mips/mips.md (sqrt_condition): Tweak comment.
939 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
941 2008-01-03 Tom Tromey <tromey@redhat.com>
944 * c-common.c (c_type_hash): Handle VLAs.
946 2008-01-03 Jan Hubicka <jh@suse.cz>
948 PR tree-optimization/31081
949 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
950 0 when inlining and not inlining to first basic block.
951 (remap_decl): When var is initialized to 0, don't set default_def.
952 (expand_call_inline): Set entry_bb.
953 * tree-inline.h (copy_body_data): Add entry_bb.
955 2008-01-03 Jakub Jelinek <jakub@redhat.com>
958 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
961 PR tree-optimization/29484
962 * tree-inline.c (inline_forbidden_p_2): New function.
963 (inline_forbidden_p): Disallow inlining if some static var
964 has an address of a local LABEL_DECL in its initializer.
965 * doc/extend.texi (Labels as Values): Document &&foo behaviour
968 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
970 PR tree-optimization/34635
971 * tree-data-ref.c (add_other_self_distances): Make sure that the
972 evolution step is constant.
974 2008-01-03 Jakub Jelinek <jakub@redhat.com>
977 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
979 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
981 * tree-sra.c (scalarize_init): Insert the generate_element_init
982 statements after the generate_element_zero statements.
984 2008-01-02 Richard Guenther <rguenther@suse.de>
988 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
989 for very large number of operands instead of ICEing.
991 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
994 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
997 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
999 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1002 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1005 * tree-mudflap.c (mx_register_decls): Guard warning by
1006 !DECL_ARTIFICIAL check.
1008 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1010 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1011 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1012 sse5_perm<mode>): Fix constraints.