1 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3 * config/avr/avr.c (avr_current_arch): New variable.
4 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
7 (avr_override_options): Init 'avr_current_arch'.
8 (base_arch_s): Move from here...
9 * config/avr/avr.h (base_arch_s): ... here. Add new members
10 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
11 'mega' to 'have_jmp_call'.
12 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
13 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
15 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
17 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
18 MULTILIB_MATCHES): (Ditto.).
20 2008-01-23 Richard Guenther <rguenther@suse.de>
23 * cgraphunit.c (cgraph_reset_node): Always mark the node
24 not reachable if it is not queued already.
26 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
28 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
29 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
30 (cputype_selected): New static variable.
31 (bfin_handle_option): Set it if -mcpu is used.
32 (override_option): Select default set of workarounds if no cpu type
33 selected on the command line.
34 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
36 From Michael Frysinger <michael.frysinger@analog.com>
37 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
38 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
40 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
41 for bf547, bf523, bf524, and bf526.
42 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
44 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
45 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
46 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
47 __ADSPBF547__ and __ADSPBF54x__ for bf547.
48 * doc/invoke.texi (Blackfin Options): Document that
49 -mcpu now accept bf547, bf523, bf524, and bf526.
51 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
53 PR rtl-optimization/34628
54 * combine.c (try_combine): Stop and undo after the first combination
55 if an autoincrement side-effect on the first insn has effectively
58 2008-01-22 David Edelsohn <edelsohn@gnu.org>
61 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
62 Offset addresses are not valid for Altivec or paired float modes.
64 2008-01-22 Jakub Jelinek <jakub@redhat.com>
67 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
68 if DECL_INITIAL (decl) is error_mark_node.
71 * c-common.c (handle_vector_size_attribute): Only allow
72 integral, scalar float and fixed point types. Handle OFFSET_TYPE
73 the same way as pointer, array etc. types.
74 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
77 * tree.c (build_type_attribute_qual_variant): Call
78 build_qualified_type if attributes are equal, but quals are not.
80 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
83 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
84 * flags.h (warn_strict_aliasing): Remove.
85 (warn_strict_overflow): Remove.
86 * opts.c (warn_strict_aliasing): Remove.
87 (warn_strict_overflow): Remove.
88 * c-opts.c (c_common_handle_option): -Wall only sets
89 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
90 (c_common_post_options): Give default values to -Wstrict-aliasing
91 and -Wstrict-overflow if they are uninitialized.
92 * common.opt (Wstrict-aliasing): Specify Var and Init.
93 (Wstrict-overflow): Likewise.
95 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
97 PR rtl-optimization/26854
98 PR rtl-optimization/34400
99 PR rtl-optimization/34884
100 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
102 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
103 (df_rd_bb_info.expanded_lr_out): Deleted
104 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
105 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
106 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
107 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
108 Removed code to allocate, initialize or free expanded_lr_out.
109 (df_rd_bb_local_compute_process_def): Restructured to make more
111 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
112 sets if the sets are being trimmed.
114 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
117 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
119 * configure: Regenerated.
121 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
124 * tree-pass.h (pass_build_alias): New pass.
125 * tree-ssa-alias.c (gate_build_alias): New.
126 (pass_build_alias): New.
127 * passes.c (init_optimization_passes): Add pass_build_alias after
128 pass_create_structure_vars.
130 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
132 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
133 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
134 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
135 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
136 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
137 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
138 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
139 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
140 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
141 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
142 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
143 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
144 * config/s390/s390.md (FP_ALL): New mode iterator.
145 (_d): New mode attribute.
146 ("*signbit<mode>2>"): Changed mode of first operand.
147 ("isinf<mode>2"): Changed mode of first operand.
148 ("*TDC_insn"): Adaptation for DFP modes.
150 2008-01-22 Ben Elliston <bje@au.ibm.com>
152 * tree.c (check_qualified_type): Improve function description.
154 2008-01-21 Jason Merrill <jason@redhat.com>
157 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
158 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
161 2008-01-21 DJ Delorie <dj@redhat.com>
163 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
166 2008-01-21 Richard Guenther <rguenther@suse.de>
169 * tree-cfg.c (verify_expr): Allow all invariant expressions
170 instead of just constant class ones as reference argument.
171 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
172 like any other constant.
173 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
175 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
177 * regmove.c (fixup_match_1): Update call crossed frequencies.
179 2008-01-21 Richard Guenther <rguenther@suse.de>
182 * tree-inline.c (setup_one_parameter): Deal with mismatched
183 types using a VIEW_CONVERT_EXPR.
185 2008-01-21 Alon Dayan <alond@il.ibm.com>
186 Olga Golovanevsky <olga@il.ibm.com>
188 PR tree-optimization/34701
189 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
190 when the structure size is not a power of 2.
192 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
194 * doc/install.texi: Add doc for --enable-checking=df.
196 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
198 PR rtl-optimization/34808
199 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
201 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
203 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
206 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
208 PR rtl-optimization/26854
209 PR rtl-optimization/34400
210 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
212 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
213 (df_rd_bb_info.expanded_lr_out): New.
214 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
215 * loop_iv.c (iv_analysis_loop_init): Ditto.
216 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
217 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
218 Added code to allocate, initialize or free expanded_lr_out.
219 (df_rd_bb_local_compute_process_def): Restructured to make
221 (df_rd_confluence_n): Add code to do nothing with fake edges and
222 code to no apply invalidate_by_call sets if the sets are being trimmed.
223 (df_lr_local_finalize): Renamed to df_lr_finalize.
224 (df_live_local_finalize): Renamed to df_live_finalize.
226 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
229 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
230 deciding whether to use reciprocal instructions.
232 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
234 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
235 dwarf2out_note_section_used if cold_text_section is NULL.
237 2008-01-19 Jakub Jelinek <jakub@redhat.com>
239 PR gcov-profile/34610
240 * tree-cfg.c (make_edges): Mark both outgoing edges from
241 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
242 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
243 from OMP_FOR and OMP_CONTINUE outgoing edges.
245 * tree-profile.c (tree_profiling): Return early if
246 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
248 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
249 from cfun to child_cfun.
250 * function.h (struct function): Add after_tree_profile bit.
252 2008-01-19 Anatoly Sokolov <aesok@post.ru>
254 * config/avr/avr.S (_exit): Disable interrupt.
256 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
257 Steven Bosscher <stevenb.gcc@gmail.com>
259 PR rtl-optimization/26854
260 PR rtl-optimization/34400
261 * df-problems.c (df_live_scratch): New scratch bitmap.
262 (df_live_alloc): Allocate df_live_scratch when doing df_live.
263 (df_live_reset): Clear the proper bitmaps.
264 (df_live_bb_local_compute): Only process the artificial defs once
265 since the order is not important.
266 (df_live_init): Init the df_live sets only with the variables
268 (df_live_transfer_function): Use the df_lr sets to prune the
269 df_live sets as they are being computed.
270 (df_live_free): Free df_live_scratch.
272 2008-01-18 Ian Lance Taylor <iant@google.com>
274 * common.opt: Add fmerge-debug-strings.
275 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
276 flag_merge_debug_strings rather than flag_merge_constants.
277 * doc/invoke.texi (Option Summary): Mention
278 -fmerge-debug-strings.
279 (Debugging Options): Document -fmerge-debug-strings.
281 2008-01-18 Ian Lance Taylor <iant@google.com>
284 * tree.h (DECL_IS_OPERATOR_NEW): Define.
285 (struct tree_function_decl): Add new field operator_new_flag.
286 * tree-inline.c (expand_call_inline): When inlining a call to
287 operator new, force the return value to go into a variable, and
288 set DECL_NO_TBAA_P on that variable.
289 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
291 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
294 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
295 DWARF2_DEBUGGING_INFO.
296 (dwarf2out_note_section_used): Ditto. Add prototype.
297 (have_multiple_function_sections, text_section_used,
298 cold_text_section_used, *cold_text_sections): Move declarations
301 2007-01-17 Bob Wilson <bob.wilson@acm.org>
303 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
304 field and add signal_ra.
305 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
306 assignments to frame state pc. Move end of stack check after
307 MD_FALLBACK_FRAME_STATE_FOR.
308 (uw_update_context_1): Use frame state signal_regs if set, instead
309 of checking signal_frame flag.
310 (uw_update_context): Use frame state signal_ra if set.
311 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
312 * config/xtensa/linux-unwind.h: New file.
314 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
316 * modulo-sched.c (get_sched_window): Fix comment typo.
318 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
320 PR tree-optimization/34648
321 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
323 2008-01-17 Anatoly Sokolov <aesok@post.ru>
325 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
326 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
328 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
330 PR rtl-optimization/34400
331 * df-core.c (df_worklist_dataflow_overeager,
332 df_worklist_dataflow_doublequeue): New functions.
333 (df_worklist_dataflow): Two different worklist solvers.
334 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
337 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
340 * doc/invoke.texi: Document the dependence on pthread for fopenmp
341 and ftree-parallelize-loops.
343 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
345 PR rtl-optimization/34826
346 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
348 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
350 * global.c (find_reg): Mark the eh regs as used if necessary.
351 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
352 * ra.h (struct allocno): no_eh_reg field added. Changed
353 no_stack_reg type to bitfield.
355 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
357 * tree.c (substitute_in_expr): Add missing 'break'.
359 2008-01-17 Richard Guenther <rguenther@suse.de>
361 PR tree-optimization/34825
362 * tree-ssa-math-opts.c (is_division_by): Do not recognize
363 x / x as division to handle.
365 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
367 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
368 "-pthread" is specified.
369 * pa-hpux11.h (LIB_SPEC): Likewise.
371 2007-01-16 Janis Johnson <janis187@us.ibm.com>
372 Peter Bergner <bergner@vnet.ibm.com>
374 PR rtl-optimization/33796
375 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
377 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
380 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
382 * pa-hpux10.h (LINK_SPEC): Likewise.
383 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
385 2008-01-16 Richard Guenther <rguenther@suse.de>
388 * fold-const.c (fold_convert_const_int_from_int): Do not
389 set overflow if that occured only because of a sign extension
390 change when converting from/to a sizetype with the same
391 precision and signedness.
393 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
396 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
397 location address to the correct place. Update copyright year.
399 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
401 * lambda-code.c (lambda_transform_legal_p): Handle the case of
402 no dependences in the dependence_relations vector.
404 2008-01-16 Jan Hubicka <jh@suse.cz>
406 PR rtl-optimization/31396
407 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
408 * cfg.c (dump_reg_info): Print it.
409 * regs.h (struct reg_info_t): add freq_calls_crossed.
410 (REG_FREQ_CALLS_CROSSED): New macro.
411 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
412 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
413 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
414 regmove_optimize): Update call crossed frequencies.
415 * local-alloc.c (struct qty): Add freq_calls_crossed.
416 (alloc_qty): Copute freq_calls_crossed.
417 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
418 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
419 * ra.h (struct allocno): Add freq_calls_crossed.
421 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
423 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
424 libgomp when compiling with ftree-parallelize-loops.
425 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
427 2008-01-16 Richard Guenther <rguenther@suse.de>
429 PR tree-optimization/34769
430 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
431 * tree.c (int_cst_value): Instead make this function more
432 permissive in what it accepts as valid input. Document this
433 function always sign-extends the value.
435 2008-01-16 Jakub Jelinek <jakub@redhat.com>
436 Richard Guenther <rguenther@suse.de>
439 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
440 (gimple_fold_indirect_ref_rhs): ... this.
441 (gimple_fold_indirect_ref): New function with foldings
442 that preserve lvalueness.
443 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
444 * tree-flow.h (gimple_fold_indirect_ref): Declare.
445 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
446 to fold an INDIRECT_REF, fall back to the old use of
449 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
451 * tree-data-ref.c (subscript_dependence_tester_1): Call
452 free_conflict_function.
453 (compute_self_dependence): Same.
455 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
458 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
459 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
461 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
462 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
463 for DWARF2_UNWIND_INFO targets.
465 2008-01-16 Richard Guenther <rguenther@suse.de>
468 * c-typeck.c (common_pointer_type): Do not merge inconsistent
469 type qualifiers for function types.
471 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
473 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
474 loop_iterator li from previous commit.
476 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
478 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
480 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
482 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
483 (parallelize_loops): Don't parallelize irreducible components.
485 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
488 * c-opts (c_common_post_options): Do not enable CPP
489 flag_pedantic_errors by default.
491 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
493 PR rtl-optimization/31944
494 * cse.c (remove_pseudo_from_table): New function.
495 (merge_equiv_classes): Use above function to remove pseudo-registers.
496 (invalidate): Likewise.
498 2008-01-13 Richard Guenther <rguenther@suse.de>
501 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
502 instead of TYPE_MODE to deal with calls from expand_one_error_var.
504 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
506 * gcse.c (cprop_jump): Call validate_unshare_change instead of
507 validate_change to unshare the source of the PC set.
509 2008-01-12 Jan Hubicka <jh@suse.cz>
512 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
513 references above array bounds. This might trigger bounds checks for
516 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
518 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
519 new_replaceable_dependencies.
521 2008-01-12 Doug Kwan <dougkwan@google.com>
523 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
524 instead of OPT_Wreturn_type in warning due to ignored return type
526 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
527 options included in -Wextra.
528 * c.opt: New option -Wignored_qualifiers.
529 * doc/invoke.texi (Warning Options, -Wextra): Add new option
531 (-Wignored-qualifiers): Document.
532 (-Wreturn-type): Remove description of functionality now handled
533 by -Wignored-qualifiers.
535 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
538 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
539 NOP_EXPR if it is between integral types with the same precision.
541 2008-01-12 Jan Hubicka <jh@suse.cz>
544 * invoke.texi (max-inline-recursive-depth): Fix default value.
546 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
548 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
551 2008-01-11 Bob Wilson <bob.wilson@acm.org>
553 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
555 2008-01-11 James E. Wilson <wilson@specifix.com>
558 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
560 2008-01-11 Anatoly Sokolov <aesok@post.ru>
562 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
563 save/restore frame pointer register and don't use 'call-prologues'
564 optimization in function with "OS_task" attribute.
566 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
569 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
570 when copying to memory.
572 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
574 PR rtl-optimization/30905
575 * cfgcleanup.c: Include dce.h
576 (crossjumps_occured): New global variable.
577 (try_crossjump_bb): Exit loop after finding a fallthru edge.
578 If something changed, set crossjumps_occured to true.
579 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
580 Don't add/remove fake edges to exit here...
581 (cleanup_cfg): ...but do it here, when crossjumping.
582 Run a fast DCE when successful crossjumps occured in the latest
583 iteration of try_optimize_cfg.
585 2008-01-11 Richard Guenther <rguenther@suse.de>
587 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
588 (struct vn_unary_op_s): Likewise.
589 (vn_reference_insert): Free old reference on hash collision.
591 2008-01-10 Raksit Ashok <raksit@google.com>
593 PR rtl-optimization/27971
594 * combine.c (find_split_point): Split PLUS expressions which are
595 inside a MEM rtx, and whose first operand is complex.
597 2008-01-10 DJ Delorie <dj@redhat.com>
599 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
600 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
601 (m32c_hard_regno_ok): Call the underlying function.
603 2008-01-10 Richard Guenther <rguenther@suse.de>
606 * tree-cfg.c (tree_merge_blocks): Do not go through the
607 full-blown folding and stmt updating path if we just deal
608 with virtual operands.
609 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
610 test for abnormal SSA_NAMEs.
612 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
615 * reload.c (push_reload): Add assertions. All constants from
616 reg_equiv_constant should have been used for replacing the respective
618 (find_reloads_address): Invoke find_reloads_address_part for
619 constant taken from the reg_equiv_constant array.
621 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
623 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
624 field (valnum) the first in the struct. Replace bools with
627 2008-01-10 Richard Guenther <rguenther@suse.de>
629 PR tree-optimization/34651
630 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
631 types and ordering for masking and converting.
633 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
635 PR tree-optimization/34017
636 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
637 also for PHI_NODE expressions.
639 2008-01-09 Jan Hubicka <jh@suse.cz>
641 PR tree-optimization/34708
642 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
643 based on number of case labels.
644 (init_inline_once): Remove switch_cost.
645 * tree-inline.h (eni_weights_d): Remove switch_cost.
647 2008-01-09 Richard Guenther <rguenther@suse.de>
648 Andrew Pinski <andrew_pinski@playstation.sony.com>
651 * gimplify.c (gimplify_cond_expr): Do not create an addressable
652 temporary if an rvalue is ok or an lvalue is not required.
654 2008-01-09 Richard Guenther <rguenther@suse.de>
657 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
660 2008-01-09 Richard Guenther <rguenther@suse.de>
663 * tree.c (host_integerp): Check for sizetype only if the
664 type is an integer type.
666 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
669 * opts.c (decode_options): Disable inlining of functions called
670 once if not in unit-at-a-time mode.
672 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
674 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
676 2008-01-08 Richard Guenther <rguenther@suse.de>
679 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
680 out early if the result will be unused.
682 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
687 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
688 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
691 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
693 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
694 for vectorization tuned.
696 2008-01-08 Richard Guenther <rguenther@suse.de>
698 PR tree-optimization/34683
699 * tree-ssa-operands.c (operand_build_cmp): Export.
700 * tree-ssa-operands.h (operand_build_cmp): Declare.
701 * tree-vn.c (vuses_compare): Remove.
702 (sort_vuses): Use operand_build_cmp.
703 (sort_vuses_heap): Likewise.
704 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
705 to re-use old VEC if available. Do not sort already sorted VUSEs.
706 (vdefs_to_vec): Do not sort already sorted VDEFs.
708 2008-01-08 Jakub Jelinek <jakub@redhat.com>
711 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
713 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
716 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
717 limitations of reciprocal sequences on x86 targets.
719 2008-01-08 Richard Guenther <rguenther@suse.de>
721 PR tree-optimization/34683
722 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
724 2008-01-07 Jakub Jelinek <jakub@redhat.com>
727 * config/darwin.c (darwin_mergeable_string_section): Don't use
728 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
730 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
734 negxf2. Macroize expander using X87MODEF mode iterator. Change
735 predicates of op0 and op1 to register_operand.
736 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
737 expander using X87MODEF mode iterator. Change predicates of
738 op0 and op1 to register_operand.
739 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
740 corresponding patterns and macroize using MODEF macro. Change
741 predicates of op0 and op1 to register_operand and remove
742 "m" constraint. Disparage "r" alternative with "!".
743 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
744 macroize using X87MODEF macro. Change predicates of op0 and op1
745 to register_operand and remove "m" constraint. Disparage "r"
746 alternative with "!".
747 (absneg splitter with memory operands): Remove.
748 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
749 patterns and macroize using X87MODEF mode iterator.
750 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
751 Change predicate of op1 to register_operand.
752 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
755 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
757 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
759 2008-01-07 Richard Guenther <rguenther@suse.de>
761 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
764 2008-01-07 Richard Guenther <rguenther@suse.de>
766 PR tree-optimization/34683
767 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
768 VOPs of the needed size to save memory. Use VEC_quick_push
769 to save compile-time.
770 (vdefs_to_vec): Likewise.
772 2008-01-07 Sa Liu <saliu@de.ibm.com>
774 * config/spu/spu.md (divdf3): Genetate inline code for double
775 division. The implementation doesn't handle INF or NAN, therefore it
776 only applies when -ffinite-math-only is given.
778 2008-01-06 Paolo Carlini <pcarlini@suse.de>
781 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
782 * doc/cpp.texi ([Common Predefined Macros]): Document.
784 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
786 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
787 order to use commutative addition instead of subtraction.
789 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
790 Mircea Namolaru <namolaru@il.ibm.com>
791 Vladimir Yanovsky <yanov@il.ibm.com>
792 Revital Eres <eres@il.ibm.com>
794 PR tree-optimization/34263
795 * tree-outof-ssa.c (process_single_block_loop_latch,
796 contains_tree_r): New functions.
797 (analyze_edges_for_bb): Call process_single_block_loop_latch
798 function to empty single-basic-block latch block if possible.
800 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
802 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
804 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
806 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
808 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
810 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
812 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
814 2008-01-05 Jakub Jelinek <jakub@redhat.com>
816 PR tree-optimization/34618
817 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
820 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
823 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
824 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
825 Update copyright year.
827 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
828 Update copyright year.
829 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
832 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
834 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
835 edge does not point to current bb before changing need_assert.
837 2008-01-04 Richard Guenther <rguenther@suse.de>
840 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
841 for verifying purposes if they are is_gimple_min_invariant.
843 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
845 PR tree-optimization/34448
846 PR tree-optimization/34465
847 * gimplify.c (gimplify_init_constructor): Add new parameter
848 notify_temp_creation. Use it.
849 (gimplify_modify_expr_rhs): Take volatiles into account when
850 optimizing constructors.
851 Do not optimize constructors if gimplify_init_constructor will dump to
853 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
854 * gcc.c-torture/compile/pr34448.c: New.
856 2008-01-04 Jakub Jelinek <jakub@redhat.com>
858 PR gcov-profile/34609
859 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
860 return_slot if result is TREE_ADDRESSABLE.
862 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
864 * config/mips/mips.md (sqrt_condition): Tweak comment.
865 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
867 2008-01-03 Tom Tromey <tromey@redhat.com>
870 * c-common.c (c_type_hash): Handle VLAs.
872 2008-01-03 Jan Hubicka <jh@suse.cz>
874 PR tree-optimization/31081
875 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
876 0 when inlining and not inlining to first basic block.
877 (remap_decl): When var is initialized to 0, don't set default_def.
878 (expand_call_inline): Set entry_bb.
879 * tree-inline.h (copy_body_data): Add entry_bb.
881 2008-01-03 Jakub Jelinek <jakub@redhat.com>
884 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
887 PR tree-optimization/29484
888 * tree-inline.c (inline_forbidden_p_2): New function.
889 (inline_forbidden_p): Disallow inlining if some static var
890 has an address of a local LABEL_DECL in its initializer.
891 * doc/extend.texi (Labels as Values): Document &&foo behaviour
894 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
896 PR tree-optimization/34635
897 * tree-data-ref.c (add_other_self_distances): Make sure that the
898 evolution step is constant.
900 2008-01-03 Jakub Jelinek <jakub@redhat.com>
903 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
905 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
907 * tree-sra.c (scalarize_init): Insert the generate_element_init
908 statements after the generate_element_zero statements.
910 2008-01-02 Richard Guenther <rguenther@suse.de>
914 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
915 for very large number of operands instead of ICEing.
917 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
920 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
923 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
925 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
928 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
931 * tree-mudflap.c (mx_register_decls): Guard warning by
932 !DECL_ARTIFICIAL check.
934 2008-01-01 Jakub Jelinek <jakub@redhat.com>
936 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
937 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
938 sse5_perm<mode>): Fix constraints.