1 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4 * gcc.c (SWITCH_OK): Removed.
5 (SWITCH_LIVE): Changed to bit.
6 (SWITCH_FALSE): Likewise.
7 (SWITCH_IGNORE): Likewise.
8 (switchstr): Change live_cond to unsigned int.
9 (process_command): Replace SWITCH_OK with 0.
10 (do_self_spec): Likewise.
11 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
12 (give_switch): Likewise.
14 (do_spec_1): Set the SWITCH_IGNORE bit.
15 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
16 bits. Set the SWITCH_LIVE bit.
18 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
20 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
22 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
24 PR tree-optimization/34472
25 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
26 parameter to a "bool *" and set *DATA to false if there is
27 an unsafe access. Do not delete the structure here.
28 (check_cond_exprs): Delete it here instead.
29 (check_cond_exprs, exclude_cold_structs): Do not increase
30 I when removing a structure.
32 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
35 * config/i386/i386.c (ix86_expand_vector_init): Consider only
36 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
38 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
41 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
42 a fixed vector for stack.
44 2008-01-24 Ben Elliston <bje@au.ibm.com>
47 * doc/gcc.texi (Software development): Add a direntry for g++.
49 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
51 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
52 stale and straggling -fforce-addr comments above.
54 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
56 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
57 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
59 2008-01-23 Michael Matz <matz@suse.de>
62 * dwarf2out.c (force_type_die): Use modified_type_die instead of
65 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
67 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
70 2008-01-23 Anatoly Sokolov <aesok@post.ru>
72 * config/avr/avr.c (avr_current_arch): New variable.
73 (avr_arch_types): Add 'avr31' and 'avr51' entries.
74 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
75 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
76 (avr_override_options): Init 'avr_current_arch'.
77 (base_arch_s): Move from here...
78 * config/avr/avr.h (base_arch_s): ... here. Add new members
79 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
80 'mega' to 'have_jmp_call'.
81 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
82 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
84 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
86 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
87 MULTILIB_MATCHES): (Ditto.).
89 2008-01-23 Richard Guenther <rguenther@suse.de>
92 * cgraphunit.c (cgraph_reset_node): Always mark the node
93 not reachable if it is not queued already.
95 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
97 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
98 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
99 (cputype_selected): New static variable.
100 (bfin_handle_option): Set it if -mcpu is used.
101 (override_option): Select default set of workarounds if no cpu type
102 selected on the command line.
103 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
105 From Michael Frysinger <michael.frysinger@analog.com>
106 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
107 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
109 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
110 for bf547, bf523, bf524, and bf526.
111 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
113 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
114 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
115 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
116 __ADSPBF547__ and __ADSPBF54x__ for bf547.
117 * doc/invoke.texi (Blackfin Options): Document that
118 -mcpu now accept bf547, bf523, bf524, and bf526.
120 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
122 PR rtl-optimization/34628
123 * combine.c (try_combine): Stop and undo after the first combination
124 if an autoincrement side-effect on the first insn has effectively
127 2008-01-22 David Edelsohn <edelsohn@gnu.org>
130 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
131 Offset addresses are not valid for Altivec or paired float modes.
133 2008-01-22 Jakub Jelinek <jakub@redhat.com>
136 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
137 if DECL_INITIAL (decl) is error_mark_node.
140 * c-common.c (handle_vector_size_attribute): Only allow
141 integral, scalar float and fixed point types. Handle OFFSET_TYPE
142 the same way as pointer, array etc. types.
143 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
146 * tree.c (build_type_attribute_qual_variant): Call
147 build_qualified_type if attributes are equal, but quals are not.
149 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
152 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
153 * flags.h (warn_strict_aliasing): Remove.
154 (warn_strict_overflow): Remove.
155 * opts.c (warn_strict_aliasing): Remove.
156 (warn_strict_overflow): Remove.
157 * c-opts.c (c_common_handle_option): -Wall only sets
158 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
159 (c_common_post_options): Give default values to -Wstrict-aliasing
160 and -Wstrict-overflow if they are uninitialized.
161 * common.opt (Wstrict-aliasing): Specify Var and Init.
162 (Wstrict-overflow): Likewise.
164 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
166 PR rtl-optimization/26854
167 PR rtl-optimization/34400
168 PR rtl-optimization/34884
169 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
171 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
172 (df_rd_bb_info.expanded_lr_out): Deleted
173 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
174 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
175 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
176 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
177 Removed code to allocate, initialize or free expanded_lr_out.
178 (df_rd_bb_local_compute_process_def): Restructured to make more
180 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
181 sets if the sets are being trimmed.
183 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
186 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
188 * configure: Regenerated.
190 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
193 * tree-pass.h (pass_build_alias): New pass.
194 * tree-ssa-alias.c (gate_build_alias): New.
195 (pass_build_alias): New.
196 * passes.c (init_optimization_passes): Add pass_build_alias after
197 pass_create_structure_vars.
199 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
201 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
202 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
203 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
204 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
205 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
206 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
207 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
208 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
209 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
210 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
211 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
212 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
213 * config/s390/s390.md (FP_ALL): New mode iterator.
214 (_d): New mode attribute.
215 ("*signbit<mode>2>"): Changed mode of first operand.
216 ("isinf<mode>2"): Changed mode of first operand.
217 ("*TDC_insn"): Adaptation for DFP modes.
219 2008-01-22 Ben Elliston <bje@au.ibm.com>
221 * tree.c (check_qualified_type): Improve function description.
223 2008-01-21 Jason Merrill <jason@redhat.com>
226 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
227 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
230 2008-01-21 DJ Delorie <dj@redhat.com>
232 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
235 2008-01-21 Richard Guenther <rguenther@suse.de>
238 * tree-cfg.c (verify_expr): Allow all invariant expressions
239 instead of just constant class ones as reference argument.
240 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
241 like any other constant.
242 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
244 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
246 * regmove.c (fixup_match_1): Update call crossed frequencies.
248 2008-01-21 Richard Guenther <rguenther@suse.de>
251 * tree-inline.c (setup_one_parameter): Deal with mismatched
252 types using a VIEW_CONVERT_EXPR.
254 2008-01-21 Alon Dayan <alond@il.ibm.com>
255 Olga Golovanevsky <olga@il.ibm.com>
257 PR tree-optimization/34701
258 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
259 when the structure size is not a power of 2.
261 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
263 * doc/install.texi: Add doc for --enable-checking=df.
265 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
267 PR rtl-optimization/34808
268 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
270 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
272 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
275 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
277 PR rtl-optimization/26854
278 PR rtl-optimization/34400
279 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
281 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
282 (df_rd_bb_info.expanded_lr_out): New.
283 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
284 * loop_iv.c (iv_analysis_loop_init): Ditto.
285 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
286 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
287 Added code to allocate, initialize or free expanded_lr_out.
288 (df_rd_bb_local_compute_process_def): Restructured to make
290 (df_rd_confluence_n): Add code to do nothing with fake edges and
291 code to no apply invalidate_by_call sets if the sets are being trimmed.
292 (df_lr_local_finalize): Renamed to df_lr_finalize.
293 (df_live_local_finalize): Renamed to df_live_finalize.
295 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
298 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
299 deciding whether to use reciprocal instructions.
301 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
303 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
304 dwarf2out_note_section_used if cold_text_section is NULL.
306 2008-01-19 Jakub Jelinek <jakub@redhat.com>
308 PR gcov-profile/34610
309 * tree-cfg.c (make_edges): Mark both outgoing edges from
310 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
311 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
312 from OMP_FOR and OMP_CONTINUE outgoing edges.
314 * tree-profile.c (tree_profiling): Return early if
315 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
317 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
318 from cfun to child_cfun.
319 * function.h (struct function): Add after_tree_profile bit.
321 2008-01-19 Anatoly Sokolov <aesok@post.ru>
323 * config/avr/avr.S (_exit): Disable interrupt.
325 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
326 Steven Bosscher <stevenb.gcc@gmail.com>
328 PR rtl-optimization/26854
329 PR rtl-optimization/34400
330 * df-problems.c (df_live_scratch): New scratch bitmap.
331 (df_live_alloc): Allocate df_live_scratch when doing df_live.
332 (df_live_reset): Clear the proper bitmaps.
333 (df_live_bb_local_compute): Only process the artificial defs once
334 since the order is not important.
335 (df_live_init): Init the df_live sets only with the variables
337 (df_live_transfer_function): Use the df_lr sets to prune the
338 df_live sets as they are being computed.
339 (df_live_free): Free df_live_scratch.
341 2008-01-18 Ian Lance Taylor <iant@google.com>
343 * common.opt: Add fmerge-debug-strings.
344 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
345 flag_merge_debug_strings rather than flag_merge_constants.
346 * doc/invoke.texi (Option Summary): Mention
347 -fmerge-debug-strings.
348 (Debugging Options): Document -fmerge-debug-strings.
350 2008-01-18 Ian Lance Taylor <iant@google.com>
353 * tree.h (DECL_IS_OPERATOR_NEW): Define.
354 (struct tree_function_decl): Add new field operator_new_flag.
355 * tree-inline.c (expand_call_inline): When inlining a call to
356 operator new, force the return value to go into a variable, and
357 set DECL_NO_TBAA_P on that variable.
358 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
360 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
363 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
364 DWARF2_DEBUGGING_INFO.
365 (dwarf2out_note_section_used): Ditto. Add prototype.
366 (have_multiple_function_sections, text_section_used,
367 cold_text_section_used, *cold_text_sections): Move declarations
370 2007-01-17 Bob Wilson <bob.wilson@acm.org>
372 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
373 field and add signal_ra.
374 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
375 assignments to frame state pc. Move end of stack check after
376 MD_FALLBACK_FRAME_STATE_FOR.
377 (uw_update_context_1): Use frame state signal_regs if set, instead
378 of checking signal_frame flag.
379 (uw_update_context): Use frame state signal_ra if set.
380 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
381 * config/xtensa/linux-unwind.h: New file.
383 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
385 * modulo-sched.c (get_sched_window): Fix comment typo.
387 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
389 PR tree-optimization/34648
390 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
392 2008-01-17 Anatoly Sokolov <aesok@post.ru>
394 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
395 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
397 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
399 PR rtl-optimization/34400
400 * df-core.c (df_worklist_dataflow_overeager,
401 df_worklist_dataflow_doublequeue): New functions.
402 (df_worklist_dataflow): Two different worklist solvers.
403 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
406 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
409 * doc/invoke.texi: Document the dependence on pthread for fopenmp
410 and ftree-parallelize-loops.
412 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
414 PR rtl-optimization/34826
415 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
417 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
419 * global.c (find_reg): Mark the eh regs as used if necessary.
420 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
421 * ra.h (struct allocno): no_eh_reg field added. Changed
422 no_stack_reg type to bitfield.
424 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
426 * tree.c (substitute_in_expr): Add missing 'break'.
428 2008-01-17 Richard Guenther <rguenther@suse.de>
430 PR tree-optimization/34825
431 * tree-ssa-math-opts.c (is_division_by): Do not recognize
432 x / x as division to handle.
434 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
436 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
437 "-pthread" is specified.
438 * pa-hpux11.h (LIB_SPEC): Likewise.
440 2007-01-16 Janis Johnson <janis187@us.ibm.com>
441 Peter Bergner <bergner@vnet.ibm.com>
443 PR rtl-optimization/33796
444 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
446 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
449 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
451 * pa-hpux10.h (LINK_SPEC): Likewise.
452 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
454 2008-01-16 Richard Guenther <rguenther@suse.de>
457 * fold-const.c (fold_convert_const_int_from_int): Do not
458 set overflow if that occured only because of a sign extension
459 change when converting from/to a sizetype with the same
460 precision and signedness.
462 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
465 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
466 location address to the correct place. Update copyright year.
468 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
470 * lambda-code.c (lambda_transform_legal_p): Handle the case of
471 no dependences in the dependence_relations vector.
473 2008-01-16 Jan Hubicka <jh@suse.cz>
475 PR rtl-optimization/31396
476 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
477 * cfg.c (dump_reg_info): Print it.
478 * regs.h (struct reg_info_t): add freq_calls_crossed.
479 (REG_FREQ_CALLS_CROSSED): New macro.
480 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
481 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
482 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
483 regmove_optimize): Update call crossed frequencies.
484 * local-alloc.c (struct qty): Add freq_calls_crossed.
485 (alloc_qty): Copute freq_calls_crossed.
486 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
487 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
488 * ra.h (struct allocno): Add freq_calls_crossed.
490 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
492 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
493 libgomp when compiling with ftree-parallelize-loops.
494 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
496 2008-01-16 Richard Guenther <rguenther@suse.de>
498 PR tree-optimization/34769
499 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
500 * tree.c (int_cst_value): Instead make this function more
501 permissive in what it accepts as valid input. Document this
502 function always sign-extends the value.
504 2008-01-16 Jakub Jelinek <jakub@redhat.com>
505 Richard Guenther <rguenther@suse.de>
508 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
509 (gimple_fold_indirect_ref_rhs): ... this.
510 (gimple_fold_indirect_ref): New function with foldings
511 that preserve lvalueness.
512 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
513 * tree-flow.h (gimple_fold_indirect_ref): Declare.
514 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
515 to fold an INDIRECT_REF, fall back to the old use of
518 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
520 * tree-data-ref.c (subscript_dependence_tester_1): Call
521 free_conflict_function.
522 (compute_self_dependence): Same.
524 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
527 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
528 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
530 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
531 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
532 for DWARF2_UNWIND_INFO targets.
534 2008-01-16 Richard Guenther <rguenther@suse.de>
537 * c-typeck.c (common_pointer_type): Do not merge inconsistent
538 type qualifiers for function types.
540 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
542 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
543 loop_iterator li from previous commit.
545 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
547 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
549 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
551 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
552 (parallelize_loops): Don't parallelize irreducible components.
554 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
557 * c-opts (c_common_post_options): Do not enable CPP
558 flag_pedantic_errors by default.
560 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
562 PR rtl-optimization/31944
563 * cse.c (remove_pseudo_from_table): New function.
564 (merge_equiv_classes): Use above function to remove pseudo-registers.
565 (invalidate): Likewise.
567 2008-01-13 Richard Guenther <rguenther@suse.de>
570 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
571 instead of TYPE_MODE to deal with calls from expand_one_error_var.
573 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
575 * gcse.c (cprop_jump): Call validate_unshare_change instead of
576 validate_change to unshare the source of the PC set.
578 2008-01-12 Jan Hubicka <jh@suse.cz>
581 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
582 references above array bounds. This might trigger bounds checks for
585 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
587 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
588 new_replaceable_dependencies.
590 2008-01-12 Doug Kwan <dougkwan@google.com>
592 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
593 instead of OPT_Wreturn_type in warning due to ignored return type
595 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
596 options included in -Wextra.
597 * c.opt: New option -Wignored_qualifiers.
598 * doc/invoke.texi (Warning Options, -Wextra): Add new option
600 (-Wignored-qualifiers): Document.
601 (-Wreturn-type): Remove description of functionality now handled
602 by -Wignored-qualifiers.
604 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
607 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
608 NOP_EXPR if it is between integral types with the same precision.
610 2008-01-12 Jan Hubicka <jh@suse.cz>
613 * invoke.texi (max-inline-recursive-depth): Fix default value.
615 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
617 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
620 2008-01-11 Bob Wilson <bob.wilson@acm.org>
622 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
624 2008-01-11 James E. Wilson <wilson@specifix.com>
627 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
629 2008-01-11 Anatoly Sokolov <aesok@post.ru>
631 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
632 save/restore frame pointer register and don't use 'call-prologues'
633 optimization in function with "OS_task" attribute.
635 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
638 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
639 when copying to memory.
641 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
643 PR rtl-optimization/30905
644 * cfgcleanup.c: Include dce.h
645 (crossjumps_occured): New global variable.
646 (try_crossjump_bb): Exit loop after finding a fallthru edge.
647 If something changed, set crossjumps_occured to true.
648 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
649 Don't add/remove fake edges to exit here...
650 (cleanup_cfg): ...but do it here, when crossjumping.
651 Run a fast DCE when successful crossjumps occured in the latest
652 iteration of try_optimize_cfg.
654 2008-01-11 Richard Guenther <rguenther@suse.de>
656 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
657 (struct vn_unary_op_s): Likewise.
658 (vn_reference_insert): Free old reference on hash collision.
660 2008-01-10 Raksit Ashok <raksit@google.com>
662 PR rtl-optimization/27971
663 * combine.c (find_split_point): Split PLUS expressions which are
664 inside a MEM rtx, and whose first operand is complex.
666 2008-01-10 DJ Delorie <dj@redhat.com>
668 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
669 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
670 (m32c_hard_regno_ok): Call the underlying function.
672 2008-01-10 Richard Guenther <rguenther@suse.de>
675 * tree-cfg.c (tree_merge_blocks): Do not go through the
676 full-blown folding and stmt updating path if we just deal
677 with virtual operands.
678 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
679 test for abnormal SSA_NAMEs.
681 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
684 * reload.c (push_reload): Add assertions. All constants from
685 reg_equiv_constant should have been used for replacing the respective
687 (find_reloads_address): Invoke find_reloads_address_part for
688 constant taken from the reg_equiv_constant array.
690 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
692 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
693 field (valnum) the first in the struct. Replace bools with
696 2008-01-10 Richard Guenther <rguenther@suse.de>
698 PR tree-optimization/34651
699 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
700 types and ordering for masking and converting.
702 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
704 PR tree-optimization/34017
705 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
706 also for PHI_NODE expressions.
708 2008-01-09 Jan Hubicka <jh@suse.cz>
710 PR tree-optimization/34708
711 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
712 based on number of case labels.
713 (init_inline_once): Remove switch_cost.
714 * tree-inline.h (eni_weights_d): Remove switch_cost.
716 2008-01-09 Richard Guenther <rguenther@suse.de>
717 Andrew Pinski <andrew_pinski@playstation.sony.com>
720 * gimplify.c (gimplify_cond_expr): Do not create an addressable
721 temporary if an rvalue is ok or an lvalue is not required.
723 2008-01-09 Richard Guenther <rguenther@suse.de>
726 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
729 2008-01-09 Richard Guenther <rguenther@suse.de>
732 * tree.c (host_integerp): Check for sizetype only if the
733 type is an integer type.
735 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
738 * opts.c (decode_options): Disable inlining of functions called
739 once if not in unit-at-a-time mode.
741 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
743 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
745 2008-01-08 Richard Guenther <rguenther@suse.de>
748 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
749 out early if the result will be unused.
751 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
756 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
757 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
760 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
762 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
763 for vectorization tuned.
765 2008-01-08 Richard Guenther <rguenther@suse.de>
767 PR tree-optimization/34683
768 * tree-ssa-operands.c (operand_build_cmp): Export.
769 * tree-ssa-operands.h (operand_build_cmp): Declare.
770 * tree-vn.c (vuses_compare): Remove.
771 (sort_vuses): Use operand_build_cmp.
772 (sort_vuses_heap): Likewise.
773 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
774 to re-use old VEC if available. Do not sort already sorted VUSEs.
775 (vdefs_to_vec): Do not sort already sorted VDEFs.
777 2008-01-08 Jakub Jelinek <jakub@redhat.com>
780 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
782 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
785 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
786 limitations of reciprocal sequences on x86 targets.
788 2008-01-08 Richard Guenther <rguenther@suse.de>
790 PR tree-optimization/34683
791 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
793 2008-01-07 Jakub Jelinek <jakub@redhat.com>
796 * config/darwin.c (darwin_mergeable_string_section): Don't use
797 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
799 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
802 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
803 negxf2. Macroize expander using X87MODEF mode iterator. Change
804 predicates of op0 and op1 to register_operand.
805 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
806 expander using X87MODEF mode iterator. Change predicates of
807 op0 and op1 to register_operand.
808 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
809 corresponding patterns and macroize using MODEF macro. Change
810 predicates of op0 and op1 to register_operand and remove
811 "m" constraint. Disparage "r" alternative with "!".
812 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
813 macroize using X87MODEF macro. Change predicates of op0 and op1
814 to register_operand and remove "m" constraint. Disparage "r"
815 alternative with "!".
816 (absneg splitter with memory operands): Remove.
817 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
818 patterns and macroize using X87MODEF mode iterator.
819 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
820 Change predicate of op1 to register_operand.
821 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
824 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
826 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
828 2008-01-07 Richard Guenther <rguenther@suse.de>
830 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
833 2008-01-07 Richard Guenther <rguenther@suse.de>
835 PR tree-optimization/34683
836 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
837 VOPs of the needed size to save memory. Use VEC_quick_push
838 to save compile-time.
839 (vdefs_to_vec): Likewise.
841 2008-01-07 Sa Liu <saliu@de.ibm.com>
843 * config/spu/spu.md (divdf3): Genetate inline code for double
844 division. The implementation doesn't handle INF or NAN, therefore it
845 only applies when -ffinite-math-only is given.
847 2008-01-06 Paolo Carlini <pcarlini@suse.de>
850 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
851 * doc/cpp.texi ([Common Predefined Macros]): Document.
853 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
855 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
856 order to use commutative addition instead of subtraction.
858 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
859 Mircea Namolaru <namolaru@il.ibm.com>
860 Vladimir Yanovsky <yanov@il.ibm.com>
861 Revital Eres <eres@il.ibm.com>
863 PR tree-optimization/34263
864 * tree-outof-ssa.c (process_single_block_loop_latch,
865 contains_tree_r): New functions.
866 (analyze_edges_for_bb): Call process_single_block_loop_latch
867 function to empty single-basic-block latch block if possible.
869 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
871 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
873 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
875 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
877 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
879 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
881 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
883 2008-01-05 Jakub Jelinek <jakub@redhat.com>
885 PR tree-optimization/34618
886 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
889 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
892 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
893 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
894 Update copyright year.
896 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
897 Update copyright year.
898 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
901 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
903 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
904 edge does not point to current bb before changing need_assert.
906 2008-01-04 Richard Guenther <rguenther@suse.de>
909 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
910 for verifying purposes if they are is_gimple_min_invariant.
912 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
914 PR tree-optimization/34448
915 PR tree-optimization/34465
916 * gimplify.c (gimplify_init_constructor): Add new parameter
917 notify_temp_creation. Use it.
918 (gimplify_modify_expr_rhs): Take volatiles into account when
919 optimizing constructors.
920 Do not optimize constructors if gimplify_init_constructor will dump to
922 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
923 * gcc.c-torture/compile/pr34448.c: New.
925 2008-01-04 Jakub Jelinek <jakub@redhat.com>
927 PR gcov-profile/34609
928 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
929 return_slot if result is TREE_ADDRESSABLE.
931 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
933 * config/mips/mips.md (sqrt_condition): Tweak comment.
934 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
936 2008-01-03 Tom Tromey <tromey@redhat.com>
939 * c-common.c (c_type_hash): Handle VLAs.
941 2008-01-03 Jan Hubicka <jh@suse.cz>
943 PR tree-optimization/31081
944 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
945 0 when inlining and not inlining to first basic block.
946 (remap_decl): When var is initialized to 0, don't set default_def.
947 (expand_call_inline): Set entry_bb.
948 * tree-inline.h (copy_body_data): Add entry_bb.
950 2008-01-03 Jakub Jelinek <jakub@redhat.com>
953 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
956 PR tree-optimization/29484
957 * tree-inline.c (inline_forbidden_p_2): New function.
958 (inline_forbidden_p): Disallow inlining if some static var
959 has an address of a local LABEL_DECL in its initializer.
960 * doc/extend.texi (Labels as Values): Document &&foo behaviour
963 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
965 PR tree-optimization/34635
966 * tree-data-ref.c (add_other_self_distances): Make sure that the
967 evolution step is constant.
969 2008-01-03 Jakub Jelinek <jakub@redhat.com>
972 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
974 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
976 * tree-sra.c (scalarize_init): Insert the generate_element_init
977 statements after the generate_element_zero statements.
979 2008-01-02 Richard Guenther <rguenther@suse.de>
983 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
984 for very large number of operands instead of ICEing.
986 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
989 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
992 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
994 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
997 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1000 * tree-mudflap.c (mx_register_decls): Guard warning by
1001 !DECL_ARTIFICIAL check.
1003 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1005 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1006 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1007 sse5_perm<mode>): Fix constraints.