1 2008-01-22 Ben Elliston <bje@au.ibm.com>
3 * tree.c (check_qualified_type): Improve function description.
5 2008-01-21 Jason Merrill <jason@redhat.com>
8 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
12 2008-01-21 DJ Delorie <dj@redhat.com>
14 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
17 2008-01-21 Richard Guenther <rguenther@suse.de>
20 * tree-cfg.c (verify_expr): Allow all invariant expressions
21 instead of just constant class ones as reference argument.
22 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
23 like any other constant.
24 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
26 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
28 * regmove.c (fixup_match_1): Update call crossed frequencies.
30 2008-01-21 Richard Guenther <rguenther@suse.de>
33 * tree-inline.c (setup_one_parameter): Deal with mismatched
34 types using a VIEW_CONVERT_EXPR.
36 2008-01-21 Alon Dayan <alond@il.ibm.com>
37 Olga Golovanevsky <olga@il.ibm.com>
39 PR tree-optimization/34701
40 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
41 when the structure size is not a power of 2.
43 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
45 * doc/install.texi: Add doc for --enable-checking=df.
47 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
49 PR rtl-optimization/34808
50 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
52 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
54 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
57 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
59 PR rtl-optimization/26854
60 PR rtl-optimization/34400
61 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
63 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
64 (df_rd_bb_info.expanded_lr_out): New.
65 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
66 * loop_iv.c (iv_analysis_loop_init): Ditto.
67 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
68 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
69 Added code to allocate, initialize or free expanded_lr_out.
70 (df_rd_bb_local_compute_process_def): Restructured to make
72 (df_rd_confluence_n): Add code to do nothing with fake edges and
73 code to no apply invalidate_by_call sets if the sets are being trimmed.
74 (df_lr_local_finalize): Renamed to df_lr_finalize.
75 (df_live_local_finalize): Renamed to df_live_finalize.
77 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
80 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
81 deciding whether to use reciprocal instructions.
83 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
85 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
86 dwarf2out_note_section_used if cold_text_section is NULL.
88 2008-01-19 Jakub Jelinek <jakub@redhat.com>
91 * tree-cfg.c (make_edges): Mark both outgoing edges from
92 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
93 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
94 from OMP_FOR and OMP_CONTINUE outgoing edges.
96 * tree-profile.c (tree_profiling): Return early if
97 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
99 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
100 from cfun to child_cfun.
101 * function.h (struct function): Add after_tree_profile bit.
103 2008-01-19 Anatoly Sokolov <aesok@post.ru>
105 * config/avr/avr.S (_exit): Disable interrupt.
107 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
108 Steven Bosscher <stevenb.gcc@gmail.com>
110 PR rtl-optimization/26854
111 PR rtl-optimization/34400
112 * df-problems.c (df_live_scratch): New scratch bitmap.
113 (df_live_alloc): Allocate df_live_scratch when doing df_live.
114 (df_live_reset): Clear the proper bitmaps.
115 (df_live_bb_local_compute): Only process the artificial defs once
116 since the order is not important.
117 (df_live_init): Init the df_live sets only with the variables
119 (df_live_transfer_function): Use the df_lr sets to prune the
120 df_live sets as they are being computed.
121 (df_live_free): Free df_live_scratch.
123 2008-01-18 Ian Lance Taylor <iant@google.com>
125 * common.opt: Add fmerge-debug-strings.
126 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
127 flag_merge_debug_strings rather than flag_merge_constants.
128 * doc/invoke.texi (Option Summary): Mention
129 -fmerge-debug-strings.
130 (Debugging Options): Document -fmerge-debug-strings.
132 2008-01-18 Ian Lance Taylor <iant@google.com>
135 * tree.h (DECL_IS_OPERATOR_NEW): Define.
136 (struct tree_function_decl): Add new field operator_new_flag.
137 * tree-inline.c (expand_call_inline): When inlining a call to
138 operator new, force the return value to go into a variable, and
139 set DECL_NO_TBAA_P on that variable.
140 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
142 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
145 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
146 DWARF2_DEBUGGING_INFO.
147 (dwarf2out_note_section_used): Ditto. Add prototype.
148 (have_multiple_function_sections, text_section_used,
149 cold_text_section_used, *cold_text_sections): Move declarations
152 2007-01-17 Bob Wilson <bob.wilson@acm.org>
154 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
155 field and add signal_ra.
156 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
157 assignments to frame state pc. Move end of stack check after
158 MD_FALLBACK_FRAME_STATE_FOR.
159 (uw_update_context_1): Use frame state signal_regs if set, instead
160 of checking signal_frame flag.
161 (uw_update_context): Use frame state signal_ra if set.
162 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
163 * config/xtensa/linux-unwind.h: New file.
165 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
167 * modulo-sched.c (get_sched_window): Fix comment typo.
169 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
171 PR tree-optimization/34648
172 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
174 2008-01-17 Anatoly Sokolov <aesok@post.ru>
176 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
177 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
179 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
181 PR rtl-optimization/34400
182 * df-core.c (df_worklist_dataflow_overeager,
183 df_worklist_dataflow_doublequeue): New functions.
184 (df_worklist_dataflow): Two different worklist solvers.
185 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
188 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
191 * doc/invoke.texi: Document the dependence on pthread for fopenmp
192 and ftree-parallelize-loops.
194 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
196 PR rtl-optimization/34826
197 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
199 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
201 * global.c (find_reg): Mark the eh regs as used if necessary.
202 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
203 * ra.h (struct allocno): no_eh_reg field added. Changed
204 no_stack_reg type to bitfield.
206 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
208 * tree.c (substitute_in_expr): Add missing 'break'.
210 2008-01-17 Richard Guenther <rguenther@suse.de>
212 PR tree-optimization/34825
213 * tree-ssa-math-opts.c (is_division_by): Do not recognize
214 x / x as division to handle.
216 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
218 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
219 "-pthread" is specified.
220 * pa-hpux11.h (LIB_SPEC): Likewise.
222 2007-01-16 Janis Johnson <janis187@us.ibm.com>
223 Peter Bergner <bergner@vnet.ibm.com>
225 PR rtl-optimization/33796
226 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
228 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
231 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
233 * pa-hpux10.h (LINK_SPEC): Likewise.
234 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
236 2008-01-16 Richard Guenther <rguenther@suse.de>
239 * fold-const.c (fold_convert_const_int_from_int): Do not
240 set overflow if that occured only because of a sign extension
241 change when converting from/to a sizetype with the same
242 precision and signedness.
244 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
247 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
248 location address to the correct place. Update copyright year.
250 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
252 * lambda-code.c (lambda_transform_legal_p): Handle the case of
253 no dependences in the dependence_relations vector.
255 2008-01-16 Jan Hubicka <jh@suse.cz>
257 PR rtl-optimization/31396
258 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
259 * cfg.c (dump_reg_info): Print it.
260 * regs.h (struct reg_info_t): add freq_calls_crossed.
261 (REG_FREQ_CALLS_CROSSED): New macro.
262 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
263 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
264 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
265 regmove_optimize): Update call crossed frequencies.
266 * local-alloc.c (struct qty): Add freq_calls_crossed.
267 (alloc_qty): Copute freq_calls_crossed.
268 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
269 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
270 * ra.h (struct allocno): Add freq_calls_crossed.
272 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
274 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
275 libgomp when compiling with ftree-parallelize-loops.
276 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
278 2008-01-16 Richard Guenther <rguenther@suse.de>
280 PR tree-optimization/34769
281 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
282 * tree.c (int_cst_value): Instead make this function more
283 permissive in what it accepts as valid input. Document this
284 function always sign-extends the value.
286 2008-01-16 Jakub Jelinek <jakub@redhat.com>
287 Richard Guenther <rguenther@suse.de>
290 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
291 (gimple_fold_indirect_ref_rhs): ... this.
292 (gimple_fold_indirect_ref): New function with foldings
293 that preserve lvalueness.
294 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
295 * tree-flow.h (gimple_fold_indirect_ref): Declare.
296 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
297 to fold an INDIRECT_REF, fall back to the old use of
300 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
302 * tree-data-ref.c (subscript_dependence_tester_1): Call
303 free_conflict_function.
304 (compute_self_dependence): Same.
306 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
309 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
310 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
312 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
313 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
314 for DWARF2_UNWIND_INFO targets.
316 2008-01-16 Richard Guenther <rguenther@suse.de>
319 * c-typeck.c (common_pointer_type): Do not merge inconsistent
320 type qualifiers for function types.
322 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
324 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
325 loop_iterator li from previous commit.
327 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
329 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
331 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
333 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
334 (parallelize_loops): Don't parallelize irreducible components.
336 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
339 * c-opts (c_common_post_options): Do not enable CPP
340 flag_pedantic_errors by default.
342 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
344 PR rtl-optimization/31944
345 * cse.c (remove_pseudo_from_table): New function.
346 (merge_equiv_classes): Use above function to remove pseudo-registers.
347 (invalidate): Likewise.
349 2008-01-13 Richard Guenther <rguenther@suse.de>
352 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
353 instead of TYPE_MODE to deal with calls from expand_one_error_var.
355 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
357 * gcse.c (cprop_jump): Call validate_unshare_change instead of
358 validate_change to unshare the source of the PC set.
360 2008-01-12 Jan Hubicka <jh@suse.cz>
363 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
364 references above array bounds. This might trigger bounds checks for
367 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
369 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
370 new_replaceable_dependencies.
372 2008-01-12 Doug Kwan <dougkwan@google.com>
374 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
375 instead of OPT_Wreturn_type in warning due to ignored return type
377 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
378 options included in -Wextra.
379 * c.opt: New option -Wignored_qualifiers.
380 * doc/invoke.texi (Warning Options, -Wextra): Add new option
382 (-Wignored-qualifiers): Document.
383 (-Wreturn-type): Remove description of functionality now handled
384 by -Wignored-qualifiers.
386 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
389 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
390 NOP_EXPR if it is between integral types with the same precision.
392 2008-01-12 Jan Hubicka <jh@suse.cz>
395 * invoke.texi (max-inline-recursive-depth): Fix default value.
397 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
399 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
402 2008-01-11 Bob Wilson <bob.wilson@acm.org>
404 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
406 2008-01-11 James E. Wilson <wilson@specifix.com>
409 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
411 2008-01-11 Anatoly Sokolov <aesok@post.ru>
413 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
414 save/restore frame pointer register and don't use 'call-prologues'
415 optimization in function with "OS_task" attribute.
417 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
420 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
421 when copying to memory.
423 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
425 PR rtl-optimization/30905
426 * cfgcleanup.c: Include dce.h
427 (crossjumps_occured): New global variable.
428 (try_crossjump_bb): Exit loop after finding a fallthru edge.
429 If something changed, set crossjumps_occured to true.
430 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
431 Don't add/remove fake edges to exit here...
432 (cleanup_cfg): ...but do it here, when crossjumping.
433 Run a fast DCE when successful crossjumps occured in the latest
434 iteration of try_optimize_cfg.
436 2008-01-11 Richard Guenther <rguenther@suse.de>
438 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
439 (struct vn_unary_op_s): Likewise.
440 (vn_reference_insert): Free old reference on hash collision.
442 2008-01-10 Raksit Ashok <raksit@google.com>
444 PR rtl-optimization/27971
445 * combine.c (find_split_point): Split PLUS expressions which are
446 inside a MEM rtx, and whose first operand is complex.
448 2008-01-10 DJ Delorie <dj@redhat.com>
450 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
451 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
452 (m32c_hard_regno_ok): Call the underlying function.
454 2008-01-10 Richard Guenther <rguenther@suse.de>
457 * tree-cfg.c (tree_merge_blocks): Do not go through the
458 full-blown folding and stmt updating path if we just deal
459 with virtual operands.
460 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
461 test for abnormal SSA_NAMEs.
463 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
466 * reload.c (push_reload): Add assertions. All constants from
467 reg_equiv_constant should have been used for replacing the respective
469 (find_reloads_address): Invoke find_reloads_address_part for
470 constant taken from the reg_equiv_constant array.
472 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
474 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
475 field (valnum) the first in the struct. Replace bools with
478 2008-01-10 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/34651
481 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
482 types and ordering for masking and converting.
484 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
486 PR tree-optimization/34017
487 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
488 also for PHI_NODE expressions.
490 2008-01-09 Jan Hubicka <jh@suse.cz>
492 PR tree-optimization/34708
493 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
494 based on number of case labels.
495 (init_inline_once): Remove switch_cost.
496 * tree-inline.h (eni_weights_d): Remove switch_cost.
498 2008-01-09 Richard Guenther <rguenther@suse.de>
499 Andrew Pinski <andrew_pinski@playstation.sony.com>
502 * gimplify.c (gimplify_cond_expr): Do not create an addressable
503 temporary if an rvalue is ok or an lvalue is not required.
505 2008-01-09 Richard Guenther <rguenther@suse.de>
508 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
511 2008-01-09 Richard Guenther <rguenther@suse.de>
514 * tree.c (host_integerp): Check for sizetype only if the
515 type is an integer type.
517 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
520 * opts.c (decode_options): Disable inlining of functions called
521 once if not in unit-at-a-time mode.
523 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
525 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
527 2008-01-08 Richard Guenther <rguenther@suse.de>
530 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
531 out early if the result will be unused.
533 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
538 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
539 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
542 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
544 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
545 for vectorization tuned.
547 2008-01-08 Richard Guenther <rguenther@suse.de>
549 PR tree-optimization/34683
550 * tree-ssa-operands.c (operand_build_cmp): Export.
551 * tree-ssa-operands.h (operand_build_cmp): Declare.
552 * tree-vn.c (vuses_compare): Remove.
553 (sort_vuses): Use operand_build_cmp.
554 (sort_vuses_heap): Likewise.
555 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
556 to re-use old VEC if available. Do not sort already sorted VUSEs.
557 (vdefs_to_vec): Do not sort already sorted VDEFs.
559 2008-01-08 Jakub Jelinek <jakub@redhat.com>
562 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
564 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
567 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
568 limitations of reciprocal sequences on x86 targets.
570 2008-01-08 Richard Guenther <rguenther@suse.de>
572 PR tree-optimization/34683
573 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
575 2008-01-07 Jakub Jelinek <jakub@redhat.com>
578 * config/darwin.c (darwin_mergeable_string_section): Don't use
579 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
581 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
584 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
585 negxf2. Macroize expander using X87MODEF mode iterator. Change
586 predicates of op0 and op1 to register_operand.
587 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
588 expander using X87MODEF mode iterator. Change predicates of
589 op0 and op1 to register_operand.
590 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
591 corresponding patterns and macroize using MODEF macro. Change
592 predicates of op0 and op1 to register_operand and remove
593 "m" constraint. Disparage "r" alternative with "!".
594 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
595 macroize using X87MODEF macro. Change predicates of op0 and op1
596 to register_operand and remove "m" constraint. Disparage "r"
597 alternative with "!".
598 (absneg splitter with memory operands): Remove.
599 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
600 patterns and macroize using X87MODEF mode iterator.
601 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
602 Change predicate of op1 to register_operand.
603 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
606 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
608 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
610 2008-01-07 Richard Guenther <rguenther@suse.de>
612 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
615 2008-01-07 Richard Guenther <rguenther@suse.de>
617 PR tree-optimization/34683
618 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
619 VOPs of the needed size to save memory. Use VEC_quick_push
620 to save compile-time.
621 (vdefs_to_vec): Likewise.
623 2008-01-07 Sa Liu <saliu@de.ibm.com>
625 * config/spu/spu.md (divdf3): Genetate inline code for double
626 division. The implementation doesn't handle INF or NAN, therefore it
627 only applies when -ffinite-math-only is given.
629 2008-01-06 Paolo Carlini <pcarlini@suse.de>
632 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
633 * doc/cpp.texi ([Common Predefined Macros]): Document.
635 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
637 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
638 order to use commutative addition instead of subtraction.
640 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
641 Mircea Namolaru <namolaru@il.ibm.com>
642 Vladimir Yanovsky <yanov@il.ibm.com>
643 Revital Eres <eres@il.ibm.com>
645 PR tree-optimization/34263
646 * tree-outof-ssa.c (process_single_block_loop_latch,
647 contains_tree_r): New functions.
648 (analyze_edges_for_bb): Call process_single_block_loop_latch
649 function to empty single-basic-block latch block if possible.
651 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
653 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
655 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
657 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
659 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
661 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
663 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
665 2008-01-05 Jakub Jelinek <jakub@redhat.com>
667 PR tree-optimization/34618
668 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
671 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
674 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
675 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
676 Update copyright year.
678 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
679 Update copyright year.
680 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
683 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
685 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
686 edge does not point to current bb before changing need_assert.
688 2008-01-04 Richard Guenther <rguenther@suse.de>
691 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
692 for verifying purposes if they are is_gimple_min_invariant.
694 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
696 PR tree-optimization/34448
697 PR tree-optimization/34465
698 * gimplify.c (gimplify_init_constructor): Add new parameter
699 notify_temp_creation. Use it.
700 (gimplify_modify_expr_rhs): Take volatiles into account when
701 optimizing constructors.
702 Do not optimize constructors if gimplify_init_constructor will dump to
704 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
705 * gcc.c-torture/compile/pr34448.c: New.
707 2008-01-04 Jakub Jelinek <jakub@redhat.com>
709 PR gcov-profile/34609
710 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
711 return_slot if result is TREE_ADDRESSABLE.
713 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
715 * config/mips/mips.md (sqrt_condition): Tweak comment.
716 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
718 2008-01-03 Tom Tromey <tromey@redhat.com>
721 * c-common.c (c_type_hash): Handle VLAs.
723 2008-01-03 Jan Hubicka <jh@suse.cz>
725 PR tree-optimization/31081
726 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
727 0 when inlining and not inlining to first basic block.
728 (remap_decl): When var is initialized to 0, don't set default_def.
729 (expand_call_inline): Set entry_bb.
730 * tree-inline.h (copy_body_data): Add entry_bb.
732 2008-01-03 Jakub Jelinek <jakub@redhat.com>
735 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
738 PR tree-optimization/29484
739 * tree-inline.c (inline_forbidden_p_2): New function.
740 (inline_forbidden_p): Disallow inlining if some static var
741 has an address of a local LABEL_DECL in its initializer.
742 * doc/extend.texi (Labels as Values): Document &&foo behaviour
745 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
747 PR tree-optimization/34635
748 * tree-data-ref.c (add_other_self_distances): Make sure that the
749 evolution step is constant.
751 2008-01-03 Jakub Jelinek <jakub@redhat.com>
754 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
756 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
758 * tree-sra.c (scalarize_init): Insert the generate_element_init
759 statements after the generate_element_zero statements.
761 2008-01-02 Richard Guenther <rguenther@suse.de>
765 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
766 for very large number of operands instead of ICEing.
768 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
771 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
774 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
776 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
779 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
782 * tree-mudflap.c (mx_register_decls): Guard warning by
783 !DECL_ARTIFICIAL check.
785 2008-01-01 Jakub Jelinek <jakub@redhat.com>
787 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
788 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
789 sse5_perm<mode>): Fix constraints.