1 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3 * ipa-struct-reorg.c (is_safe_cond_expr,
4 create_new_stmts_for_cond_expr): Use integer_zerop function,
5 that recognize not only zero-pointer, but zero-integer too.
7 2008-01-25 Ben Elliston <bje@au.ibm.com>
10 * fixproto: Escape "." in sed expression that strips leading "./".
12 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
15 * gcc.c (SWITCH_OK): Removed.
16 (SWITCH_LIVE): Changed to bit.
17 (SWITCH_FALSE): Likewise.
18 (SWITCH_IGNORE): Likewise.
19 (switchstr): Change live_cond to unsigned int.
20 (process_command): Replace SWITCH_OK with 0.
21 (do_self_spec): Likewise.
22 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
23 (give_switch): Likewise.
25 (do_spec_1): Set the SWITCH_IGNORE bit.
26 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
27 bits. Set the SWITCH_LIVE bit.
29 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
31 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
33 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
35 PR tree-optimization/34472
36 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
37 parameter to a "bool *" and set *DATA to false if there is
38 an unsafe access. Do not delete the structure here.
39 (check_cond_exprs): Delete it here instead.
40 (check_cond_exprs, exclude_cold_structs): Do not increase
41 I when removing a structure.
43 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
46 * config/i386/i386.c (ix86_expand_vector_init): Consider only
47 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
49 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
52 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
53 a fixed vector for stack.
55 2008-01-24 Ben Elliston <bje@au.ibm.com>
58 * doc/gcc.texi (Software development): Add a direntry for g++.
60 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
62 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
63 stale and straggling -fforce-addr comments above.
65 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
67 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
68 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
70 2008-01-23 Michael Matz <matz@suse.de>
73 * dwarf2out.c (force_type_die): Use modified_type_die instead of
76 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
78 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
81 2008-01-23 Anatoly Sokolov <aesok@post.ru>
83 * config/avr/avr.c (avr_current_arch): New variable.
84 (avr_arch_types): Add 'avr31' and 'avr51' entries.
85 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
86 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
87 (avr_override_options): Init 'avr_current_arch'.
88 (base_arch_s): Move from here...
89 * config/avr/avr.h (base_arch_s): ... here. Add new members
90 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
91 'mega' to 'have_jmp_call'.
92 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
93 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
95 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
97 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
98 MULTILIB_MATCHES): (Ditto.).
100 2008-01-23 Richard Guenther <rguenther@suse.de>
103 * cgraphunit.c (cgraph_reset_node): Always mark the node
104 not reachable if it is not queued already.
106 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
108 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
109 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
110 (cputype_selected): New static variable.
111 (bfin_handle_option): Set it if -mcpu is used.
112 (override_option): Select default set of workarounds if no cpu type
113 selected on the command line.
114 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
116 From Michael Frysinger <michael.frysinger@analog.com>
117 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
118 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
120 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
121 for bf547, bf523, bf524, and bf526.
122 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
124 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
125 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
126 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
127 __ADSPBF547__ and __ADSPBF54x__ for bf547.
128 * doc/invoke.texi (Blackfin Options): Document that
129 -mcpu now accept bf547, bf523, bf524, and bf526.
131 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
133 PR rtl-optimization/34628
134 * combine.c (try_combine): Stop and undo after the first combination
135 if an autoincrement side-effect on the first insn has effectively
138 2008-01-22 David Edelsohn <edelsohn@gnu.org>
141 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
142 Offset addresses are not valid for Altivec or paired float modes.
144 2008-01-22 Jakub Jelinek <jakub@redhat.com>
147 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
148 if DECL_INITIAL (decl) is error_mark_node.
151 * c-common.c (handle_vector_size_attribute): Only allow
152 integral, scalar float and fixed point types. Handle OFFSET_TYPE
153 the same way as pointer, array etc. types.
154 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
157 * tree.c (build_type_attribute_qual_variant): Call
158 build_qualified_type if attributes are equal, but quals are not.
160 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
163 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
164 * flags.h (warn_strict_aliasing): Remove.
165 (warn_strict_overflow): Remove.
166 * opts.c (warn_strict_aliasing): Remove.
167 (warn_strict_overflow): Remove.
168 * c-opts.c (c_common_handle_option): -Wall only sets
169 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
170 (c_common_post_options): Give default values to -Wstrict-aliasing
171 and -Wstrict-overflow if they are uninitialized.
172 * common.opt (Wstrict-aliasing): Specify Var and Init.
173 (Wstrict-overflow): Likewise.
175 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
177 PR rtl-optimization/26854
178 PR rtl-optimization/34400
179 PR rtl-optimization/34884
180 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
182 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
183 (df_rd_bb_info.expanded_lr_out): Deleted
184 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
185 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
186 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
187 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
188 Removed code to allocate, initialize or free expanded_lr_out.
189 (df_rd_bb_local_compute_process_def): Restructured to make more
191 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
192 sets if the sets are being trimmed.
194 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
197 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
199 * configure: Regenerated.
201 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
204 * tree-pass.h (pass_build_alias): New pass.
205 * tree-ssa-alias.c (gate_build_alias): New.
206 (pass_build_alias): New.
207 * passes.c (init_optimization_passes): Add pass_build_alias after
208 pass_create_structure_vars.
210 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
212 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
213 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
214 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
215 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
216 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
217 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
218 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
219 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
220 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
221 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
222 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
223 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
224 * config/s390/s390.md (FP_ALL): New mode iterator.
225 (_d): New mode attribute.
226 ("*signbit<mode>2>"): Changed mode of first operand.
227 ("isinf<mode>2"): Changed mode of first operand.
228 ("*TDC_insn"): Adaptation for DFP modes.
230 2008-01-22 Ben Elliston <bje@au.ibm.com>
232 * tree.c (check_qualified_type): Improve function description.
234 2008-01-21 Jason Merrill <jason@redhat.com>
237 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
238 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
241 2008-01-21 DJ Delorie <dj@redhat.com>
243 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
246 2008-01-21 Richard Guenther <rguenther@suse.de>
249 * tree-cfg.c (verify_expr): Allow all invariant expressions
250 instead of just constant class ones as reference argument.
251 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
252 like any other constant.
253 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
255 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
257 * regmove.c (fixup_match_1): Update call crossed frequencies.
259 2008-01-21 Richard Guenther <rguenther@suse.de>
262 * tree-inline.c (setup_one_parameter): Deal with mismatched
263 types using a VIEW_CONVERT_EXPR.
265 2008-01-21 Alon Dayan <alond@il.ibm.com>
266 Olga Golovanevsky <olga@il.ibm.com>
268 PR tree-optimization/34701
269 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
270 when the structure size is not a power of 2.
272 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
274 * doc/install.texi: Add doc for --enable-checking=df.
276 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
278 PR rtl-optimization/34808
279 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
281 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
283 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
286 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
288 PR rtl-optimization/26854
289 PR rtl-optimization/34400
290 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
292 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
293 (df_rd_bb_info.expanded_lr_out): New.
294 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
295 * loop_iv.c (iv_analysis_loop_init): Ditto.
296 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
297 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
298 Added code to allocate, initialize or free expanded_lr_out.
299 (df_rd_bb_local_compute_process_def): Restructured to make
301 (df_rd_confluence_n): Add code to do nothing with fake edges and
302 code to no apply invalidate_by_call sets if the sets are being trimmed.
303 (df_lr_local_finalize): Renamed to df_lr_finalize.
304 (df_live_local_finalize): Renamed to df_live_finalize.
306 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
309 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
310 deciding whether to use reciprocal instructions.
312 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
314 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
315 dwarf2out_note_section_used if cold_text_section is NULL.
317 2008-01-19 Jakub Jelinek <jakub@redhat.com>
319 PR gcov-profile/34610
320 * tree-cfg.c (make_edges): Mark both outgoing edges from
321 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
322 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
323 from OMP_FOR and OMP_CONTINUE outgoing edges.
325 * tree-profile.c (tree_profiling): Return early if
326 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
328 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
329 from cfun to child_cfun.
330 * function.h (struct function): Add after_tree_profile bit.
332 2008-01-19 Anatoly Sokolov <aesok@post.ru>
334 * config/avr/avr.S (_exit): Disable interrupt.
336 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
337 Steven Bosscher <stevenb.gcc@gmail.com>
339 PR rtl-optimization/26854
340 PR rtl-optimization/34400
341 * df-problems.c (df_live_scratch): New scratch bitmap.
342 (df_live_alloc): Allocate df_live_scratch when doing df_live.
343 (df_live_reset): Clear the proper bitmaps.
344 (df_live_bb_local_compute): Only process the artificial defs once
345 since the order is not important.
346 (df_live_init): Init the df_live sets only with the variables
348 (df_live_transfer_function): Use the df_lr sets to prune the
349 df_live sets as they are being computed.
350 (df_live_free): Free df_live_scratch.
352 2008-01-18 Ian Lance Taylor <iant@google.com>
354 * common.opt: Add fmerge-debug-strings.
355 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
356 flag_merge_debug_strings rather than flag_merge_constants.
357 * doc/invoke.texi (Option Summary): Mention
358 -fmerge-debug-strings.
359 (Debugging Options): Document -fmerge-debug-strings.
361 2008-01-18 Ian Lance Taylor <iant@google.com>
364 * tree.h (DECL_IS_OPERATOR_NEW): Define.
365 (struct tree_function_decl): Add new field operator_new_flag.
366 * tree-inline.c (expand_call_inline): When inlining a call to
367 operator new, force the return value to go into a variable, and
368 set DECL_NO_TBAA_P on that variable.
369 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
371 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
374 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
375 DWARF2_DEBUGGING_INFO.
376 (dwarf2out_note_section_used): Ditto. Add prototype.
377 (have_multiple_function_sections, text_section_used,
378 cold_text_section_used, *cold_text_sections): Move declarations
381 2007-01-17 Bob Wilson <bob.wilson@acm.org>
383 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
384 field and add signal_ra.
385 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
386 assignments to frame state pc. Move end of stack check after
387 MD_FALLBACK_FRAME_STATE_FOR.
388 (uw_update_context_1): Use frame state signal_regs if set, instead
389 of checking signal_frame flag.
390 (uw_update_context): Use frame state signal_ra if set.
391 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
392 * config/xtensa/linux-unwind.h: New file.
394 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
396 * modulo-sched.c (get_sched_window): Fix comment typo.
398 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
400 PR tree-optimization/34648
401 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
403 2008-01-17 Anatoly Sokolov <aesok@post.ru>
405 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
406 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
408 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
410 PR rtl-optimization/34400
411 * df-core.c (df_worklist_dataflow_overeager,
412 df_worklist_dataflow_doublequeue): New functions.
413 (df_worklist_dataflow): Two different worklist solvers.
414 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
417 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
420 * doc/invoke.texi: Document the dependence on pthread for fopenmp
421 and ftree-parallelize-loops.
423 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
425 PR rtl-optimization/34826
426 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
428 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
430 * global.c (find_reg): Mark the eh regs as used if necessary.
431 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
432 * ra.h (struct allocno): no_eh_reg field added. Changed
433 no_stack_reg type to bitfield.
435 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
437 * tree.c (substitute_in_expr): Add missing 'break'.
439 2008-01-17 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/34825
442 * tree-ssa-math-opts.c (is_division_by): Do not recognize
443 x / x as division to handle.
445 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
447 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
448 "-pthread" is specified.
449 * pa-hpux11.h (LIB_SPEC): Likewise.
451 2007-01-16 Janis Johnson <janis187@us.ibm.com>
452 Peter Bergner <bergner@vnet.ibm.com>
454 PR rtl-optimization/33796
455 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
457 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
460 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
462 * pa-hpux10.h (LINK_SPEC): Likewise.
463 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
465 2008-01-16 Richard Guenther <rguenther@suse.de>
468 * fold-const.c (fold_convert_const_int_from_int): Do not
469 set overflow if that occured only because of a sign extension
470 change when converting from/to a sizetype with the same
471 precision and signedness.
473 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
476 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
477 location address to the correct place. Update copyright year.
479 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
481 * lambda-code.c (lambda_transform_legal_p): Handle the case of
482 no dependences in the dependence_relations vector.
484 2008-01-16 Jan Hubicka <jh@suse.cz>
486 PR rtl-optimization/31396
487 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
488 * cfg.c (dump_reg_info): Print it.
489 * regs.h (struct reg_info_t): add freq_calls_crossed.
490 (REG_FREQ_CALLS_CROSSED): New macro.
491 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
492 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
493 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
494 regmove_optimize): Update call crossed frequencies.
495 * local-alloc.c (struct qty): Add freq_calls_crossed.
496 (alloc_qty): Copute freq_calls_crossed.
497 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
498 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
499 * ra.h (struct allocno): Add freq_calls_crossed.
501 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
503 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
504 libgomp when compiling with ftree-parallelize-loops.
505 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
507 2008-01-16 Richard Guenther <rguenther@suse.de>
509 PR tree-optimization/34769
510 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
511 * tree.c (int_cst_value): Instead make this function more
512 permissive in what it accepts as valid input. Document this
513 function always sign-extends the value.
515 2008-01-16 Jakub Jelinek <jakub@redhat.com>
516 Richard Guenther <rguenther@suse.de>
519 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
520 (gimple_fold_indirect_ref_rhs): ... this.
521 (gimple_fold_indirect_ref): New function with foldings
522 that preserve lvalueness.
523 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
524 * tree-flow.h (gimple_fold_indirect_ref): Declare.
525 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
526 to fold an INDIRECT_REF, fall back to the old use of
529 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
531 * tree-data-ref.c (subscript_dependence_tester_1): Call
532 free_conflict_function.
533 (compute_self_dependence): Same.
535 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
538 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
539 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
541 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
542 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
543 for DWARF2_UNWIND_INFO targets.
545 2008-01-16 Richard Guenther <rguenther@suse.de>
548 * c-typeck.c (common_pointer_type): Do not merge inconsistent
549 type qualifiers for function types.
551 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
553 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
554 loop_iterator li from previous commit.
556 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
558 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
560 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
562 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
563 (parallelize_loops): Don't parallelize irreducible components.
565 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
568 * c-opts (c_common_post_options): Do not enable CPP
569 flag_pedantic_errors by default.
571 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
573 PR rtl-optimization/31944
574 * cse.c (remove_pseudo_from_table): New function.
575 (merge_equiv_classes): Use above function to remove pseudo-registers.
576 (invalidate): Likewise.
578 2008-01-13 Richard Guenther <rguenther@suse.de>
581 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
582 instead of TYPE_MODE to deal with calls from expand_one_error_var.
584 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
586 * gcse.c (cprop_jump): Call validate_unshare_change instead of
587 validate_change to unshare the source of the PC set.
589 2008-01-12 Jan Hubicka <jh@suse.cz>
592 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
593 references above array bounds. This might trigger bounds checks for
596 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
598 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
599 new_replaceable_dependencies.
601 2008-01-12 Doug Kwan <dougkwan@google.com>
603 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
604 instead of OPT_Wreturn_type in warning due to ignored return type
606 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
607 options included in -Wextra.
608 * c.opt: New option -Wignored_qualifiers.
609 * doc/invoke.texi (Warning Options, -Wextra): Add new option
611 (-Wignored-qualifiers): Document.
612 (-Wreturn-type): Remove description of functionality now handled
613 by -Wignored-qualifiers.
615 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
618 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
619 NOP_EXPR if it is between integral types with the same precision.
621 2008-01-12 Jan Hubicka <jh@suse.cz>
624 * invoke.texi (max-inline-recursive-depth): Fix default value.
626 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
628 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
631 2008-01-11 Bob Wilson <bob.wilson@acm.org>
633 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
635 2008-01-11 James E. Wilson <wilson@specifix.com>
638 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
640 2008-01-11 Anatoly Sokolov <aesok@post.ru>
642 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
643 save/restore frame pointer register and don't use 'call-prologues'
644 optimization in function with "OS_task" attribute.
646 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
649 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
650 when copying to memory.
652 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
654 PR rtl-optimization/30905
655 * cfgcleanup.c: Include dce.h
656 (crossjumps_occured): New global variable.
657 (try_crossjump_bb): Exit loop after finding a fallthru edge.
658 If something changed, set crossjumps_occured to true.
659 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
660 Don't add/remove fake edges to exit here...
661 (cleanup_cfg): ...but do it here, when crossjumping.
662 Run a fast DCE when successful crossjumps occured in the latest
663 iteration of try_optimize_cfg.
665 2008-01-11 Richard Guenther <rguenther@suse.de>
667 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
668 (struct vn_unary_op_s): Likewise.
669 (vn_reference_insert): Free old reference on hash collision.
671 2008-01-10 Raksit Ashok <raksit@google.com>
673 PR rtl-optimization/27971
674 * combine.c (find_split_point): Split PLUS expressions which are
675 inside a MEM rtx, and whose first operand is complex.
677 2008-01-10 DJ Delorie <dj@redhat.com>
679 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
680 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
681 (m32c_hard_regno_ok): Call the underlying function.
683 2008-01-10 Richard Guenther <rguenther@suse.de>
686 * tree-cfg.c (tree_merge_blocks): Do not go through the
687 full-blown folding and stmt updating path if we just deal
688 with virtual operands.
689 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
690 test for abnormal SSA_NAMEs.
692 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
695 * reload.c (push_reload): Add assertions. All constants from
696 reg_equiv_constant should have been used for replacing the respective
698 (find_reloads_address): Invoke find_reloads_address_part for
699 constant taken from the reg_equiv_constant array.
701 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
703 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
704 field (valnum) the first in the struct. Replace bools with
707 2008-01-10 Richard Guenther <rguenther@suse.de>
709 PR tree-optimization/34651
710 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
711 types and ordering for masking and converting.
713 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
715 PR tree-optimization/34017
716 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
717 also for PHI_NODE expressions.
719 2008-01-09 Jan Hubicka <jh@suse.cz>
721 PR tree-optimization/34708
722 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
723 based on number of case labels.
724 (init_inline_once): Remove switch_cost.
725 * tree-inline.h (eni_weights_d): Remove switch_cost.
727 2008-01-09 Richard Guenther <rguenther@suse.de>
728 Andrew Pinski <andrew_pinski@playstation.sony.com>
731 * gimplify.c (gimplify_cond_expr): Do not create an addressable
732 temporary if an rvalue is ok or an lvalue is not required.
734 2008-01-09 Richard Guenther <rguenther@suse.de>
737 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
740 2008-01-09 Richard Guenther <rguenther@suse.de>
743 * tree.c (host_integerp): Check for sizetype only if the
744 type is an integer type.
746 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
749 * opts.c (decode_options): Disable inlining of functions called
750 once if not in unit-at-a-time mode.
752 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
754 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
756 2008-01-08 Richard Guenther <rguenther@suse.de>
759 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
760 out early if the result will be unused.
762 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
767 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
768 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
771 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
773 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
774 for vectorization tuned.
776 2008-01-08 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/34683
779 * tree-ssa-operands.c (operand_build_cmp): Export.
780 * tree-ssa-operands.h (operand_build_cmp): Declare.
781 * tree-vn.c (vuses_compare): Remove.
782 (sort_vuses): Use operand_build_cmp.
783 (sort_vuses_heap): Likewise.
784 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
785 to re-use old VEC if available. Do not sort already sorted VUSEs.
786 (vdefs_to_vec): Do not sort already sorted VDEFs.
788 2008-01-08 Jakub Jelinek <jakub@redhat.com>
791 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
793 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
796 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
797 limitations of reciprocal sequences on x86 targets.
799 2008-01-08 Richard Guenther <rguenther@suse.de>
801 PR tree-optimization/34683
802 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
804 2008-01-07 Jakub Jelinek <jakub@redhat.com>
807 * config/darwin.c (darwin_mergeable_string_section): Don't use
808 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
810 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
813 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
814 negxf2. Macroize expander using X87MODEF mode iterator. Change
815 predicates of op0 and op1 to register_operand.
816 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
817 expander using X87MODEF mode iterator. Change predicates of
818 op0 and op1 to register_operand.
819 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
820 corresponding patterns and macroize using MODEF macro. Change
821 predicates of op0 and op1 to register_operand and remove
822 "m" constraint. Disparage "r" alternative with "!".
823 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
824 macroize using X87MODEF macro. Change predicates of op0 and op1
825 to register_operand and remove "m" constraint. Disparage "r"
826 alternative with "!".
827 (absneg splitter with memory operands): Remove.
828 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
829 patterns and macroize using X87MODEF mode iterator.
830 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
831 Change predicate of op1 to register_operand.
832 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
835 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
837 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
839 2008-01-07 Richard Guenther <rguenther@suse.de>
841 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
844 2008-01-07 Richard Guenther <rguenther@suse.de>
846 PR tree-optimization/34683
847 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
848 VOPs of the needed size to save memory. Use VEC_quick_push
849 to save compile-time.
850 (vdefs_to_vec): Likewise.
852 2008-01-07 Sa Liu <saliu@de.ibm.com>
854 * config/spu/spu.md (divdf3): Genetate inline code for double
855 division. The implementation doesn't handle INF or NAN, therefore it
856 only applies when -ffinite-math-only is given.
858 2008-01-06 Paolo Carlini <pcarlini@suse.de>
861 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
862 * doc/cpp.texi ([Common Predefined Macros]): Document.
864 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
866 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
867 order to use commutative addition instead of subtraction.
869 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
870 Mircea Namolaru <namolaru@il.ibm.com>
871 Vladimir Yanovsky <yanov@il.ibm.com>
872 Revital Eres <eres@il.ibm.com>
874 PR tree-optimization/34263
875 * tree-outof-ssa.c (process_single_block_loop_latch,
876 contains_tree_r): New functions.
877 (analyze_edges_for_bb): Call process_single_block_loop_latch
878 function to empty single-basic-block latch block if possible.
880 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
882 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
884 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
886 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
888 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
890 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
892 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
894 2008-01-05 Jakub Jelinek <jakub@redhat.com>
896 PR tree-optimization/34618
897 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
900 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
903 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
904 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
905 Update copyright year.
907 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
908 Update copyright year.
909 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
912 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
914 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
915 edge does not point to current bb before changing need_assert.
917 2008-01-04 Richard Guenther <rguenther@suse.de>
920 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
921 for verifying purposes if they are is_gimple_min_invariant.
923 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
925 PR tree-optimization/34448
926 PR tree-optimization/34465
927 * gimplify.c (gimplify_init_constructor): Add new parameter
928 notify_temp_creation. Use it.
929 (gimplify_modify_expr_rhs): Take volatiles into account when
930 optimizing constructors.
931 Do not optimize constructors if gimplify_init_constructor will dump to
933 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
934 * gcc.c-torture/compile/pr34448.c: New.
936 2008-01-04 Jakub Jelinek <jakub@redhat.com>
938 PR gcov-profile/34609
939 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
940 return_slot if result is TREE_ADDRESSABLE.
942 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
944 * config/mips/mips.md (sqrt_condition): Tweak comment.
945 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
947 2008-01-03 Tom Tromey <tromey@redhat.com>
950 * c-common.c (c_type_hash): Handle VLAs.
952 2008-01-03 Jan Hubicka <jh@suse.cz>
954 PR tree-optimization/31081
955 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
956 0 when inlining and not inlining to first basic block.
957 (remap_decl): When var is initialized to 0, don't set default_def.
958 (expand_call_inline): Set entry_bb.
959 * tree-inline.h (copy_body_data): Add entry_bb.
961 2008-01-03 Jakub Jelinek <jakub@redhat.com>
964 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
967 PR tree-optimization/29484
968 * tree-inline.c (inline_forbidden_p_2): New function.
969 (inline_forbidden_p): Disallow inlining if some static var
970 has an address of a local LABEL_DECL in its initializer.
971 * doc/extend.texi (Labels as Values): Document &&foo behaviour
974 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
976 PR tree-optimization/34635
977 * tree-data-ref.c (add_other_self_distances): Make sure that the
978 evolution step is constant.
980 2008-01-03 Jakub Jelinek <jakub@redhat.com>
983 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
985 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
987 * tree-sra.c (scalarize_init): Insert the generate_element_init
988 statements after the generate_element_zero statements.
990 2008-01-02 Richard Guenther <rguenther@suse.de>
994 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
995 for very large number of operands instead of ICEing.
997 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1000 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1001 while stack probing.
1003 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1005 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1008 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1011 * tree-mudflap.c (mx_register_decls): Guard warning by
1012 !DECL_ARTIFICIAL check.
1014 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1016 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1017 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1018 sse5_perm<mode>): Fix constraints.