1 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4 * tree-nested.c (walk_omp_for): New function.
5 (convert_nonlocal_reference, convert_local_reference): Call
6 walk_omp_for on OMP_FOR.
7 (convert_call_expr): Call walk_body on OMP_FOR's
10 2008-01-25 Richard Guenther <rguenther@suse.de>
12 PR tree-optimization/34966
13 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
14 default defs and PHI_NODEs we have to insert after the
17 2008-01-24 Nick Clifton <nickc@redhat.com>
19 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
20 Provide a default definition.
21 (LIBGCC2_UNITS_PER_WORD): Likewise.
23 * config/stormy16/stormy16.c: Include df.h for the prototype
24 for df_regs_ever_live_p.
25 (xstormy16_expand_builtin_va_start): Convert the stack offset
26 into a component_ref and then use POINTER_PLUS_EXPR to add it
27 to the incoming_virtual_args_rtx.
28 (xstormy16_gimplify_va_arg_expr): Rename to
29 xstormy16_gimplify_va_arg_expr.
30 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
31 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
32 xstormy16_gimplify_va_arg_expr.
33 Fix up some formatting issues.
35 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
36 Move to predicates.md.
37 (xs_hi_general_operand): Likewise.
38 (xs_hi_nonmemory_operand): Likewise.
39 * config/stormy16/predicates.md:
40 (xstormy16_carry_plus_operand): New predicate.
41 (xs_hi_general_operand): New predicate.
42 (xs_hi_nonmemory_operand): New predicate.
43 * config/stormy16/stormy16-protos.h:
44 (xstormy16_carry_plus_operand): Delete prototype.
45 (xs_hi_general_operand): Likewise.
46 (xs_hi_nonmemory_operand): Likewise.
48 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
49 modifiers as they are no longer needed and they can trigger
50 reload spill failures.
52 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
53 with a match_operand in order to help reload.
55 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
56 constraint with 'e' for the 8th alternative as this version of
57 the mov.w instruction only accepts the lower 8 registers.
59 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
62 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
63 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
66 2008-01-25 Jakub Jelinek <jakub@redhat.com>
69 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
71 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
73 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
75 (remove_structure): Update allocations list before removing structure.
77 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
79 * ipa-struct-reorg.c (is_safe_cond_expr,
80 create_new_stmts_for_cond_expr): Use integer_zerop function,
81 that recognize not only zero-pointer, but zero-integer too.
83 2008-01-25 Ben Elliston <bje@au.ibm.com>
86 * fixproto: Escape "." in sed expression that strips leading "./".
88 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
91 * gcc.c (SWITCH_OK): Removed.
92 (SWITCH_LIVE): Changed to bit.
93 (SWITCH_FALSE): Likewise.
94 (SWITCH_IGNORE): Likewise.
95 (switchstr): Change live_cond to unsigned int.
96 (process_command): Replace SWITCH_OK with 0.
97 (do_self_spec): Likewise.
98 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
99 (give_switch): Likewise.
100 (used_arg): Likewise.
101 (do_spec_1): Set the SWITCH_IGNORE bit.
102 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
103 bits. Set the SWITCH_LIVE bit.
105 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
107 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
109 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
111 PR tree-optimization/34472
112 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
113 parameter to a "bool *" and set *DATA to false if there is
114 an unsafe access. Do not delete the structure here.
115 (check_cond_exprs): Delete it here instead.
116 (check_cond_exprs, exclude_cold_structs): Do not increase
117 I when removing a structure.
119 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
122 * config/i386/i386.c (ix86_expand_vector_init): Consider only
123 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
125 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
128 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
129 a fixed vector for stack.
131 2008-01-24 Ben Elliston <bje@au.ibm.com>
134 * doc/gcc.texi (Software development): Add a direntry for g++.
136 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
138 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
139 stale and straggling -fforce-addr comments above.
141 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
143 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
144 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
146 2008-01-23 Michael Matz <matz@suse.de>
149 * dwarf2out.c (force_type_die): Use modified_type_die instead of
152 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
154 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
157 2008-01-23 Anatoly Sokolov <aesok@post.ru>
159 * config/avr/avr.c (avr_current_arch): New variable.
160 (avr_arch_types): Add 'avr31' and 'avr51' entries.
161 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
162 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
163 (avr_override_options): Init 'avr_current_arch'.
164 (base_arch_s): Move from here...
165 * config/avr/avr.h (base_arch_s): ... here. Add new members
166 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
167 'mega' to 'have_jmp_call'.
168 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
169 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
171 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
173 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
174 MULTILIB_MATCHES): (Ditto.).
176 2008-01-23 Richard Guenther <rguenther@suse.de>
179 * cgraphunit.c (cgraph_reset_node): Always mark the node
180 not reachable if it is not queued already.
182 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
184 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
185 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
186 (cputype_selected): New static variable.
187 (bfin_handle_option): Set it if -mcpu is used.
188 (override_option): Select default set of workarounds if no cpu type
189 selected on the command line.
190 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
192 From Michael Frysinger <michael.frysinger@analog.com>
193 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
194 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
196 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
197 for bf547, bf523, bf524, and bf526.
198 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
200 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
201 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
202 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
203 __ADSPBF547__ and __ADSPBF54x__ for bf547.
204 * doc/invoke.texi (Blackfin Options): Document that
205 -mcpu now accept bf547, bf523, bf524, and bf526.
207 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
209 PR rtl-optimization/34628
210 * combine.c (try_combine): Stop and undo after the first combination
211 if an autoincrement side-effect on the first insn has effectively
214 2008-01-22 David Edelsohn <edelsohn@gnu.org>
217 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
218 Offset addresses are not valid for Altivec or paired float modes.
220 2008-01-22 Jakub Jelinek <jakub@redhat.com>
223 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
224 if DECL_INITIAL (decl) is error_mark_node.
227 * c-common.c (handle_vector_size_attribute): Only allow
228 integral, scalar float and fixed point types. Handle OFFSET_TYPE
229 the same way as pointer, array etc. types.
230 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
233 * tree.c (build_type_attribute_qual_variant): Call
234 build_qualified_type if attributes are equal, but quals are not.
236 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
239 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
240 * flags.h (warn_strict_aliasing): Remove.
241 (warn_strict_overflow): Remove.
242 * opts.c (warn_strict_aliasing): Remove.
243 (warn_strict_overflow): Remove.
244 * c-opts.c (c_common_handle_option): -Wall only sets
245 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
246 (c_common_post_options): Give default values to -Wstrict-aliasing
247 and -Wstrict-overflow if they are uninitialized.
248 * common.opt (Wstrict-aliasing): Specify Var and Init.
249 (Wstrict-overflow): Likewise.
251 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
253 PR rtl-optimization/26854
254 PR rtl-optimization/34400
255 PR rtl-optimization/34884
256 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
258 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
259 (df_rd_bb_info.expanded_lr_out): Deleted
260 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
261 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
262 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
263 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
264 Removed code to allocate, initialize or free expanded_lr_out.
265 (df_rd_bb_local_compute_process_def): Restructured to make more
267 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
268 sets if the sets are being trimmed.
270 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
273 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
275 * configure: Regenerated.
277 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
280 * tree-pass.h (pass_build_alias): New pass.
281 * tree-ssa-alias.c (gate_build_alias): New.
282 (pass_build_alias): New.
283 * passes.c (init_optimization_passes): Add pass_build_alias after
284 pass_create_structure_vars.
286 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
288 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
289 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
290 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
291 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
292 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
293 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
294 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
295 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
296 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
297 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
298 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
299 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
300 * config/s390/s390.md (FP_ALL): New mode iterator.
301 (_d): New mode attribute.
302 ("*signbit<mode>2>"): Changed mode of first operand.
303 ("isinf<mode>2"): Changed mode of first operand.
304 ("*TDC_insn"): Adaptation for DFP modes.
306 2008-01-22 Ben Elliston <bje@au.ibm.com>
308 * tree.c (check_qualified_type): Improve function description.
310 2008-01-21 Jason Merrill <jason@redhat.com>
313 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
314 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
317 2008-01-21 DJ Delorie <dj@redhat.com>
319 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
322 2008-01-21 Richard Guenther <rguenther@suse.de>
325 * tree-cfg.c (verify_expr): Allow all invariant expressions
326 instead of just constant class ones as reference argument.
327 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
328 like any other constant.
329 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
331 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
333 * regmove.c (fixup_match_1): Update call crossed frequencies.
335 2008-01-21 Richard Guenther <rguenther@suse.de>
338 * tree-inline.c (setup_one_parameter): Deal with mismatched
339 types using a VIEW_CONVERT_EXPR.
341 2008-01-21 Alon Dayan <alond@il.ibm.com>
342 Olga Golovanevsky <olga@il.ibm.com>
344 PR tree-optimization/34701
345 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
346 when the structure size is not a power of 2.
348 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
350 * doc/install.texi: Add doc for --enable-checking=df.
352 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
354 PR rtl-optimization/34808
355 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
357 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
359 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
362 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
364 PR rtl-optimization/26854
365 PR rtl-optimization/34400
366 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
368 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
369 (df_rd_bb_info.expanded_lr_out): New.
370 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
371 * loop_iv.c (iv_analysis_loop_init): Ditto.
372 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
373 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
374 Added code to allocate, initialize or free expanded_lr_out.
375 (df_rd_bb_local_compute_process_def): Restructured to make
377 (df_rd_confluence_n): Add code to do nothing with fake edges and
378 code to no apply invalidate_by_call sets if the sets are being trimmed.
379 (df_lr_local_finalize): Renamed to df_lr_finalize.
380 (df_live_local_finalize): Renamed to df_live_finalize.
382 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
385 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
386 deciding whether to use reciprocal instructions.
388 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
390 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
391 dwarf2out_note_section_used if cold_text_section is NULL.
393 2008-01-19 Jakub Jelinek <jakub@redhat.com>
395 PR gcov-profile/34610
396 * tree-cfg.c (make_edges): Mark both outgoing edges from
397 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
398 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
399 from OMP_FOR and OMP_CONTINUE outgoing edges.
401 * tree-profile.c (tree_profiling): Return early if
402 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
404 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
405 from cfun to child_cfun.
406 * function.h (struct function): Add after_tree_profile bit.
408 2008-01-19 Anatoly Sokolov <aesok@post.ru>
410 * config/avr/avr.S (_exit): Disable interrupt.
412 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
413 Steven Bosscher <stevenb.gcc@gmail.com>
415 PR rtl-optimization/26854
416 PR rtl-optimization/34400
417 * df-problems.c (df_live_scratch): New scratch bitmap.
418 (df_live_alloc): Allocate df_live_scratch when doing df_live.
419 (df_live_reset): Clear the proper bitmaps.
420 (df_live_bb_local_compute): Only process the artificial defs once
421 since the order is not important.
422 (df_live_init): Init the df_live sets only with the variables
424 (df_live_transfer_function): Use the df_lr sets to prune the
425 df_live sets as they are being computed.
426 (df_live_free): Free df_live_scratch.
428 2008-01-18 Ian Lance Taylor <iant@google.com>
430 * common.opt: Add fmerge-debug-strings.
431 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
432 flag_merge_debug_strings rather than flag_merge_constants.
433 * doc/invoke.texi (Option Summary): Mention
434 -fmerge-debug-strings.
435 (Debugging Options): Document -fmerge-debug-strings.
437 2008-01-18 Ian Lance Taylor <iant@google.com>
440 * tree.h (DECL_IS_OPERATOR_NEW): Define.
441 (struct tree_function_decl): Add new field operator_new_flag.
442 * tree-inline.c (expand_call_inline): When inlining a call to
443 operator new, force the return value to go into a variable, and
444 set DECL_NO_TBAA_P on that variable.
445 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
447 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
450 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
451 DWARF2_DEBUGGING_INFO.
452 (dwarf2out_note_section_used): Ditto. Add prototype.
453 (have_multiple_function_sections, text_section_used,
454 cold_text_section_used, *cold_text_sections): Move declarations
457 2007-01-17 Bob Wilson <bob.wilson@acm.org>
459 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
460 field and add signal_ra.
461 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
462 assignments to frame state pc. Move end of stack check after
463 MD_FALLBACK_FRAME_STATE_FOR.
464 (uw_update_context_1): Use frame state signal_regs if set, instead
465 of checking signal_frame flag.
466 (uw_update_context): Use frame state signal_ra if set.
467 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
468 * config/xtensa/linux-unwind.h: New file.
470 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
472 * modulo-sched.c (get_sched_window): Fix comment typo.
474 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
476 PR tree-optimization/34648
477 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
479 2008-01-17 Anatoly Sokolov <aesok@post.ru>
481 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
482 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
484 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
486 PR rtl-optimization/34400
487 * df-core.c (df_worklist_dataflow_overeager,
488 df_worklist_dataflow_doublequeue): New functions.
489 (df_worklist_dataflow): Two different worklist solvers.
490 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
493 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
496 * doc/invoke.texi: Document the dependence on pthread for fopenmp
497 and ftree-parallelize-loops.
499 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
501 PR rtl-optimization/34826
502 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
504 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
506 * global.c (find_reg): Mark the eh regs as used if necessary.
507 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
508 * ra.h (struct allocno): no_eh_reg field added. Changed
509 no_stack_reg type to bitfield.
511 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
513 * tree.c (substitute_in_expr): Add missing 'break'.
515 2008-01-17 Richard Guenther <rguenther@suse.de>
517 PR tree-optimization/34825
518 * tree-ssa-math-opts.c (is_division_by): Do not recognize
519 x / x as division to handle.
521 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
523 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
524 "-pthread" is specified.
525 * pa-hpux11.h (LIB_SPEC): Likewise.
527 2007-01-16 Janis Johnson <janis187@us.ibm.com>
528 Peter Bergner <bergner@vnet.ibm.com>
530 PR rtl-optimization/33796
531 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
533 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
536 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
538 * pa-hpux10.h (LINK_SPEC): Likewise.
539 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
541 2008-01-16 Richard Guenther <rguenther@suse.de>
544 * fold-const.c (fold_convert_const_int_from_int): Do not
545 set overflow if that occured only because of a sign extension
546 change when converting from/to a sizetype with the same
547 precision and signedness.
549 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
552 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
553 location address to the correct place. Update copyright year.
555 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
557 * lambda-code.c (lambda_transform_legal_p): Handle the case of
558 no dependences in the dependence_relations vector.
560 2008-01-16 Jan Hubicka <jh@suse.cz>
562 PR rtl-optimization/31396
563 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
564 * cfg.c (dump_reg_info): Print it.
565 * regs.h (struct reg_info_t): add freq_calls_crossed.
566 (REG_FREQ_CALLS_CROSSED): New macro.
567 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
568 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
569 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
570 regmove_optimize): Update call crossed frequencies.
571 * local-alloc.c (struct qty): Add freq_calls_crossed.
572 (alloc_qty): Copute freq_calls_crossed.
573 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
574 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
575 * ra.h (struct allocno): Add freq_calls_crossed.
577 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
579 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
580 libgomp when compiling with ftree-parallelize-loops.
581 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
583 2008-01-16 Richard Guenther <rguenther@suse.de>
585 PR tree-optimization/34769
586 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
587 * tree.c (int_cst_value): Instead make this function more
588 permissive in what it accepts as valid input. Document this
589 function always sign-extends the value.
591 2008-01-16 Jakub Jelinek <jakub@redhat.com>
592 Richard Guenther <rguenther@suse.de>
595 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
596 (gimple_fold_indirect_ref_rhs): ... this.
597 (gimple_fold_indirect_ref): New function with foldings
598 that preserve lvalueness.
599 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
600 * tree-flow.h (gimple_fold_indirect_ref): Declare.
601 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
602 to fold an INDIRECT_REF, fall back to the old use of
605 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
607 * tree-data-ref.c (subscript_dependence_tester_1): Call
608 free_conflict_function.
609 (compute_self_dependence): Same.
611 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
614 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
615 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
617 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
618 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
619 for DWARF2_UNWIND_INFO targets.
621 2008-01-16 Richard Guenther <rguenther@suse.de>
624 * c-typeck.c (common_pointer_type): Do not merge inconsistent
625 type qualifiers for function types.
627 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
629 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
630 loop_iterator li from previous commit.
632 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
634 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
636 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
638 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
639 (parallelize_loops): Don't parallelize irreducible components.
641 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
644 * c-opts (c_common_post_options): Do not enable CPP
645 flag_pedantic_errors by default.
647 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
649 PR rtl-optimization/31944
650 * cse.c (remove_pseudo_from_table): New function.
651 (merge_equiv_classes): Use above function to remove pseudo-registers.
652 (invalidate): Likewise.
654 2008-01-13 Richard Guenther <rguenther@suse.de>
657 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
658 instead of TYPE_MODE to deal with calls from expand_one_error_var.
660 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
662 * gcse.c (cprop_jump): Call validate_unshare_change instead of
663 validate_change to unshare the source of the PC set.
665 2008-01-12 Jan Hubicka <jh@suse.cz>
668 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
669 references above array bounds. This might trigger bounds checks for
672 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
674 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
675 new_replaceable_dependencies.
677 2008-01-12 Doug Kwan <dougkwan@google.com>
679 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
680 instead of OPT_Wreturn_type in warning due to ignored return type
682 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
683 options included in -Wextra.
684 * c.opt: New option -Wignored_qualifiers.
685 * doc/invoke.texi (Warning Options, -Wextra): Add new option
687 (-Wignored-qualifiers): Document.
688 (-Wreturn-type): Remove description of functionality now handled
689 by -Wignored-qualifiers.
691 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
694 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
695 NOP_EXPR if it is between integral types with the same precision.
697 2008-01-12 Jan Hubicka <jh@suse.cz>
700 * invoke.texi (max-inline-recursive-depth): Fix default value.
702 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
704 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
707 2008-01-11 Bob Wilson <bob.wilson@acm.org>
709 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
711 2008-01-11 James E. Wilson <wilson@specifix.com>
714 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
716 2008-01-11 Anatoly Sokolov <aesok@post.ru>
718 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
719 save/restore frame pointer register and don't use 'call-prologues'
720 optimization in function with "OS_task" attribute.
722 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
725 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
726 when copying to memory.
728 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
730 PR rtl-optimization/30905
731 * cfgcleanup.c: Include dce.h
732 (crossjumps_occured): New global variable.
733 (try_crossjump_bb): Exit loop after finding a fallthru edge.
734 If something changed, set crossjumps_occured to true.
735 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
736 Don't add/remove fake edges to exit here...
737 (cleanup_cfg): ...but do it here, when crossjumping.
738 Run a fast DCE when successful crossjumps occured in the latest
739 iteration of try_optimize_cfg.
741 2008-01-11 Richard Guenther <rguenther@suse.de>
743 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
744 (struct vn_unary_op_s): Likewise.
745 (vn_reference_insert): Free old reference on hash collision.
747 2008-01-10 Raksit Ashok <raksit@google.com>
749 PR rtl-optimization/27971
750 * combine.c (find_split_point): Split PLUS expressions which are
751 inside a MEM rtx, and whose first operand is complex.
753 2008-01-10 DJ Delorie <dj@redhat.com>
755 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
756 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
757 (m32c_hard_regno_ok): Call the underlying function.
759 2008-01-10 Richard Guenther <rguenther@suse.de>
762 * tree-cfg.c (tree_merge_blocks): Do not go through the
763 full-blown folding and stmt updating path if we just deal
764 with virtual operands.
765 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
766 test for abnormal SSA_NAMEs.
768 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
771 * reload.c (push_reload): Add assertions. All constants from
772 reg_equiv_constant should have been used for replacing the respective
774 (find_reloads_address): Invoke find_reloads_address_part for
775 constant taken from the reg_equiv_constant array.
777 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
779 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
780 field (valnum) the first in the struct. Replace bools with
783 2008-01-10 Richard Guenther <rguenther@suse.de>
785 PR tree-optimization/34651
786 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
787 types and ordering for masking and converting.
789 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
791 PR tree-optimization/34017
792 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
793 also for PHI_NODE expressions.
795 2008-01-09 Jan Hubicka <jh@suse.cz>
797 PR tree-optimization/34708
798 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
799 based on number of case labels.
800 (init_inline_once): Remove switch_cost.
801 * tree-inline.h (eni_weights_d): Remove switch_cost.
803 2008-01-09 Richard Guenther <rguenther@suse.de>
804 Andrew Pinski <andrew_pinski@playstation.sony.com>
807 * gimplify.c (gimplify_cond_expr): Do not create an addressable
808 temporary if an rvalue is ok or an lvalue is not required.
810 2008-01-09 Richard Guenther <rguenther@suse.de>
813 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
816 2008-01-09 Richard Guenther <rguenther@suse.de>
819 * tree.c (host_integerp): Check for sizetype only if the
820 type is an integer type.
822 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
825 * opts.c (decode_options): Disable inlining of functions called
826 once if not in unit-at-a-time mode.
828 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
830 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
832 2008-01-08 Richard Guenther <rguenther@suse.de>
835 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
836 out early if the result will be unused.
838 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
843 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
844 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
847 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
849 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
850 for vectorization tuned.
852 2008-01-08 Richard Guenther <rguenther@suse.de>
854 PR tree-optimization/34683
855 * tree-ssa-operands.c (operand_build_cmp): Export.
856 * tree-ssa-operands.h (operand_build_cmp): Declare.
857 * tree-vn.c (vuses_compare): Remove.
858 (sort_vuses): Use operand_build_cmp.
859 (sort_vuses_heap): Likewise.
860 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
861 to re-use old VEC if available. Do not sort already sorted VUSEs.
862 (vdefs_to_vec): Do not sort already sorted VDEFs.
864 2008-01-08 Jakub Jelinek <jakub@redhat.com>
867 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
869 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
872 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
873 limitations of reciprocal sequences on x86 targets.
875 2008-01-08 Richard Guenther <rguenther@suse.de>
877 PR tree-optimization/34683
878 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
880 2008-01-07 Jakub Jelinek <jakub@redhat.com>
883 * config/darwin.c (darwin_mergeable_string_section): Don't use
884 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
886 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
889 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
890 negxf2. Macroize expander using X87MODEF mode iterator. Change
891 predicates of op0 and op1 to register_operand.
892 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
893 expander using X87MODEF mode iterator. Change predicates of
894 op0 and op1 to register_operand.
895 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
896 corresponding patterns and macroize using MODEF macro. Change
897 predicates of op0 and op1 to register_operand and remove
898 "m" constraint. Disparage "r" alternative with "!".
899 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
900 macroize using X87MODEF macro. Change predicates of op0 and op1
901 to register_operand and remove "m" constraint. Disparage "r"
902 alternative with "!".
903 (absneg splitter with memory operands): Remove.
904 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
905 patterns and macroize using X87MODEF mode iterator.
906 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
907 Change predicate of op1 to register_operand.
908 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
911 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
913 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
915 2008-01-07 Richard Guenther <rguenther@suse.de>
917 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
920 2008-01-07 Richard Guenther <rguenther@suse.de>
922 PR tree-optimization/34683
923 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
924 VOPs of the needed size to save memory. Use VEC_quick_push
925 to save compile-time.
926 (vdefs_to_vec): Likewise.
928 2008-01-07 Sa Liu <saliu@de.ibm.com>
930 * config/spu/spu.md (divdf3): Genetate inline code for double
931 division. The implementation doesn't handle INF or NAN, therefore it
932 only applies when -ffinite-math-only is given.
934 2008-01-06 Paolo Carlini <pcarlini@suse.de>
937 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
938 * doc/cpp.texi ([Common Predefined Macros]): Document.
940 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
942 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
943 order to use commutative addition instead of subtraction.
945 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
946 Mircea Namolaru <namolaru@il.ibm.com>
947 Vladimir Yanovsky <yanov@il.ibm.com>
948 Revital Eres <eres@il.ibm.com>
950 PR tree-optimization/34263
951 * tree-outof-ssa.c (process_single_block_loop_latch,
952 contains_tree_r): New functions.
953 (analyze_edges_for_bb): Call process_single_block_loop_latch
954 function to empty single-basic-block latch block if possible.
956 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
958 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
960 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
962 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
964 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
966 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
968 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
970 2008-01-05 Jakub Jelinek <jakub@redhat.com>
972 PR tree-optimization/34618
973 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
976 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
979 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
980 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
981 Update copyright year.
983 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
984 Update copyright year.
985 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
988 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
990 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
991 edge does not point to current bb before changing need_assert.
993 2008-01-04 Richard Guenther <rguenther@suse.de>
996 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
997 for verifying purposes if they are is_gimple_min_invariant.
999 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1001 PR tree-optimization/34448
1002 PR tree-optimization/34465
1003 * gimplify.c (gimplify_init_constructor): Add new parameter
1004 notify_temp_creation. Use it.
1005 (gimplify_modify_expr_rhs): Take volatiles into account when
1006 optimizing constructors.
1007 Do not optimize constructors if gimplify_init_constructor will dump to
1009 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1010 * gcc.c-torture/compile/pr34448.c: New.
1012 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1014 PR gcov-profile/34609
1015 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1016 return_slot if result is TREE_ADDRESSABLE.
1018 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1020 * config/mips/mips.md (sqrt_condition): Tweak comment.
1021 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1023 2008-01-03 Tom Tromey <tromey@redhat.com>
1026 * c-common.c (c_type_hash): Handle VLAs.
1028 2008-01-03 Jan Hubicka <jh@suse.cz>
1030 PR tree-optimization/31081
1031 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1032 0 when inlining and not inlining to first basic block.
1033 (remap_decl): When var is initialized to 0, don't set default_def.
1034 (expand_call_inline): Set entry_bb.
1035 * tree-inline.h (copy_body_data): Add entry_bb.
1037 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1040 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1043 PR tree-optimization/29484
1044 * tree-inline.c (inline_forbidden_p_2): New function.
1045 (inline_forbidden_p): Disallow inlining if some static var
1046 has an address of a local LABEL_DECL in its initializer.
1047 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1050 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1052 PR tree-optimization/34635
1053 * tree-data-ref.c (add_other_self_distances): Make sure that the
1054 evolution step is constant.
1056 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1059 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1061 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1063 * tree-sra.c (scalarize_init): Insert the generate_element_init
1064 statements after the generate_element_zero statements.
1066 2008-01-02 Richard Guenther <rguenther@suse.de>
1070 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1071 for very large number of operands instead of ICEing.
1073 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1076 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1077 while stack probing.
1079 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1081 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1084 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1087 * tree-mudflap.c (mx_register_decls): Guard warning by
1088 !DECL_ARTIFICIAL check.
1090 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1092 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1093 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1094 sse5_perm<mode>): Fix constraints.