1 2009-02-12 Michael Matz <matz@suse.de>
3 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5 2009-02-12 Jakub Jelinek <jakub@redhat.com>
7 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10 2009-02-12 Ben Elliston <bje@au.ibm.com>
12 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
13 patterns when updating the back chain. Missed in the 2009-02-10
16 2009-02-11 Janis Johnson <janis187@us.ibm.com>
18 * doc/extend.texi (Decimal Floating Types): Update identifier of
19 draft TR and list of missing support.
21 2009-02-11 Jakub Jelinek <jakub@redhat.com>
24 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
25 bit to variable length decl's flags, add it also to its
26 pointer replacement variable.
28 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
29 Jakub Jelinek <jakub@redhat.com>
32 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
33 (memory_blockage): New expander.
34 (*memory_blockage): New insn pattern.
35 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
36 instead of general blockage at the end of function prologue when
37 frame pointer is used to access red zone area. Do not emit blockage
38 when profiling, it is emitted in generic code.
39 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
40 function epilogue when frame pointer is used to access red zone area.
42 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
44 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
45 by arithmetic with memory operands.
46 * config/i386/predicates.md (commutative_operator): New.
48 2009-02-10 Janis Johnson <janis187@us.ibm.com>
50 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
53 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
55 * alias.h (record_alias_subset): Declare.
56 * alias.c (record_alias_subset): Make global.
58 2009-02-10 Nick Clifton <nickc@redhat.com>
60 * tree-parloops.c: Change license to GPLv3.
61 * ipa-struct-reorg.c: Change license to GPLv3.
62 * ipa-struct-reorg.h: Change license to GPLv3.
64 2009-02-10 Steve Ellcey <sje@cup.hp.com>
67 * c-decl.c (start_struct): Return NULL on error.
69 2009-02-10 Jakub Jelinek <jakub@redhat.com>
72 * cfgloopmanip.c (remove_path): Call remove_bbs after
73 cancel_loop_tree, not before it.
76 * function.h (struct function): Add has_local_explicit_reg_vars bit.
77 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
79 * tree-ssa-live.c (remove_unused_locals): Recompute
80 cfun->has_local_explicit_reg_vars.
81 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
82 copies or clearings if cfun->has_local_explicit_reg_vars.
84 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
87 * config/i386/i386.c (expand_prologue): Emit blockage at the end
88 of function prologue when frame pointer is used to access
91 2009-02-10 Richard Guenther <rguenther@suse.de>
94 * gimplify.c (gimple_regimplify_operands): Always look if
95 we need to create a temporary.
97 2009-02-10 Richard Guenther <rguenther@suse.de>
99 PR tree-optimization/39132
100 * tree-loop-distribution.c (todo): New global var.
101 (generate_memset_zero): Trigger TODO_rebuild_alias.
102 (tree_loop_distribution): Return todo.
104 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
107 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
108 (x86_64_reg_class_name): Removed.
109 (classify_argument): Return 0 if bytes > 32. Return 0 if the
110 first one isn't X86_64_SSE_CLASS or any other ones aren't
111 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
112 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
113 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
114 and 3 X86_64_SSEUP_CLASS.
115 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
116 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
118 2009-02-10 Ben Elliston <bje@au.ibm.com>
120 * config/rs6000/rs6000.md (allocate_stack): Always use an update
121 form instruction to update the stack back chain word, even if the
122 user has disabled the generation of update instructions.
123 (movdi_<mode>_update_stack): New.
124 (movsi_update_stack): Likewise.
125 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
126 always use an update form instruction to update the stack back
129 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
132 * graphite.c (if_region_set_false_region): After moving a region in
133 the false branch of a condition, remove the empty dummy basic block.
134 (gloog): Remove wrong fix for PR38953.
136 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
138 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
139 generation due to implicit sign extension.
141 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
144 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
145 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
147 2009-02-09 Richard Guenther <rguenther@suse.de>
150 * convert.c (convert_to_real): Disable (float)fn((double)x)
151 to fnf(x) conversion if errno differences may occur and
154 2009-02-07 Anatoly Sokolov <aesok@post.ru>
156 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
157 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
158 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
160 2009-02-06 Joseph Myers <joseph@codesourcery.com>
163 * c-common.c (handle_alias_attribute): Disallow attribute for
164 anything not a FUNCTION_DECL or VAR_DECL.
166 2009-02-06 Janis Johnson <janis187@us.ibm.com>
169 * real.c (do_compare): Special-case compare of zero against
172 2009-02-06 Joseph Myers <joseph@codesourcery.com>
175 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
176 as indicating flexible array members unless the field itself is
177 being declarared as the incomplete array.
179 2009-02-06 Jan Hubicka <jh@suse.cz>
181 PR tree-optimization/38844
182 * ipa-inline.c (try_inline): Stop inlining recursion when edge
185 2009-02-06 Richard Guenther <rguenther@suse.de>
188 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
189 fork because we may expand it as __gcov_fork.
191 2009-02-06 Nick Clifton <nickc@redhat.com>
193 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
195 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
197 PR tree-optimization/35659
198 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
199 vn_phi_eq): Shortcut if hashcode does not match.
200 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
202 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
203 and avoid iterative_hash_expr.
204 (FOR_EACH_VALUE_ID_IN_SET): New.
205 (value_id_compare): Remove.
206 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
207 sort expressions by value id.
209 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
212 * config/sh/predicates.md (general_movsrc_operand): Don't check
213 the subreg of system registers here.
215 2009-02-05 Jakub Jelinek <jakub@redhat.com>
218 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
221 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
223 PR rtl-optimization/39110
224 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
225 addresses, not aligned ones.
227 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
228 Richard Guenther <rguenther@suse.de>
230 PR tree-optimization/39100
231 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
232 comment says and add edges.
234 2009-02-05 Joseph Myers <joseph@codesourcery.com>
237 * c-common.c (handle_tls_model_attribute): Ignore attribute for
238 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
240 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
242 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
243 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
244 register_bb_in_sese, new_sese, free_sese): Moved.
245 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
246 outermost_loop_in_scop, build_scop_iteration_domain,
247 expand_scalar_variables_ssa_name, get_vdef_before_scop,
248 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
249 Use loop_in_sese_p instead of loop_in_scop_p.
250 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
251 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
252 (scopdet_basic_block_info): Fix bug in scop detection.
253 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
254 eq_loop_to_cloog_loop): Remove.
255 (nb_loops_around_loop_in_scop, nb_loop
256 ref_nb_loops): Moved here...
257 * graphite.h (ref_nb_loops): ... from here.
258 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
259 (loop_domain_dim, loop_iteration_vector_dim): Remove.
260 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
261 * testsuite/gcc.dg/graphite/scop-19.c: New
263 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
264 Hans-Peter Nilsson <hp@axis.com>
266 PR rtl-optimization/37889
267 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
268 Move offset handling from PLUS to before the switch. Use new
269 arguments when considering SYMBOL_REFs too.
270 (rtx_addr_can_trap_p): Pass dummy offset and size.
271 (enum may_trap_p_flags): Remove.
272 (may_trap_p_1): Pass size from MEM_SIZE.
274 PR rtl-optimization/38921
275 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
276 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
277 * rtlanal.c (may_trap_after_code_motion_p): Delete.
278 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
280 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
282 AVX Programming Reference (January, 2009)
283 * config/i386/sse.md (*vpclmulqdq): New.
285 2009-02-04 Jakub Jelinek <jakub@redhat.com>
287 PR tree-optimization/38977
288 PR gcov-profile/38292
289 * calls.c (special_function_p): Disregard __builtin_ prefix.
291 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
293 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
294 non-indexable addresses even before reload.
296 2009-02-03 Joseph Myers <joseph@codesourcery.com>
299 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
300 as having variable size. Do not give an error for unnamed
301 parameters with [*] declarators. Give a warning for type names
302 with [*] declarators and mark them as variable size.
303 * c-parser.c (c_parser_sizeof_expression): Do not give an error
304 for sizeof applied to [*] type names.
306 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
309 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
311 2009-02-03 Jakub Jelinek <jakub@redhat.com>
313 * gcc.c (process_command): Update copyright notice dates.
314 * gcov.c (print_version): Likewise.
315 * gcov-dump.c (print_version): Likewise.
316 * mips-tfile.c (main): Likewise.
317 * mips-tdump.c (main): Likewise.
319 2009-02-03 Joseph Myers <joseph@codesourcery.com>
322 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
323 for composite type involving a zero-length array type.
325 2009-02-03 Jakub Jelinek <jakub@redhat.com>
328 * function.c (match_asm_constraints_1): Skip over
329 initial optional % in the constraint.
332 * c-parser.c (c_parser_postfix_expression): If fixed point is not
333 supported, don't accept FIXED_CSTs.
334 * c-decl.c (finish_declspecs): Error if fixed point is not supported
335 and _Sat is used without _Fract/_Accum. Set specs->type to
336 integer_type_node for cts_fract/cts_accum if fixed point is not
339 2009-02-02 Catherine Moore <clm@codesourcery.com>
341 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
343 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
345 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
346 (ABI_HAS_64BIT_SYMBOLS): Use it.
347 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
349 2009-02-02 Paul Brook <paul@codesourcery.com>
351 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
353 2009-02-02 Jakub Jelinek <jakub@redhat.com>
356 * recog.h (asm_operand_ok): Add constraints argument.
357 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
358 recurse on matching constraint.
359 (check_asm_operands): Pass constraints as 3rd argument to
360 asm_operand_ok. Don't look up matching constraint here.
361 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
364 2009-02-02 Ben Elliston <bje@au.ibm.com>
366 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
367 TARGET_NARROW_VOLATILE_BITFIELD macro names.
369 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
371 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
372 information. Remove some obsolete information. Reorganize.
374 * config/pa/fptr.c: Revert license to GPL 2.
375 * config/pa/milli64.S: Likewise.
377 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
380 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
381 LIBRARY name in, instead of hard-coding it.
382 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
383 extra target make frag to tmake_files according to EH model.
384 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
385 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
386 frags that define makefile variable EH_MODEL appropriately.
387 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
388 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
389 to "-sjlj" according to type of EH configured.
390 (LIBGCC_SONAME): Concatenate it to shared library base name.
391 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
392 to "_sjlj" according to type of EH configured.
393 (LIBGCC_SONAME): Concatenate it to shared library base name.
394 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
395 (SHLIB_LINK): Add missing semicolon to if-else construct.
396 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
397 string value of "pe_dll" command-line option.
398 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
399 (SHLIB_SONAME): Use it when overriding t-cygming default.
400 (SHLIB_IMPLIB): Override t-cygming default.
401 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
402 string value of "pe_dll" command-line option.
404 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
407 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
408 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
410 2009-01-31 Richard Guenther <rguenther@suse.de>
412 PR tree-optimization/38937
413 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
414 computing the transitive closure.
416 2009-01-30 Richard Guenther <rguenther@suse.de>
418 PR tree-optimization/39041
419 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
420 Propagate variable indices only if the types match for this stmt.
422 2009-01-30 Jakub Jelinek <jakub@redhat.com>
425 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
426 inline but never defined.
428 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
430 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
431 (*insv_h_di_reg_extimm): New insn.
432 (*insv_l<mode>_reg_extimm): New insn.
434 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
436 * config/picochip/picochip.c (flag_conserve_stack): set
437 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
438 fconserve-stack. Reduce call-overhead used by inliner.
440 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
443 * common.opt (flag_conserve_stack): Initialised to zero.
445 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
448 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
449 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
452 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
454 * ira-color.c (allocno_reload_assign): Update comments.
455 * regmove.c (regmove_optimize): Likewise.
459 2009-01-29 Robert Millan <rmh@aybabtu.com>
461 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
462 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
464 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
466 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
468 PR tree-optimization/39007
469 * tree-loop-distribution.c (generate_builtin): Use
470 recompute_dominator to compute the immediate dominator of the
471 basic block just after the loop.
473 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
475 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
476 (ASM_OUTPUT_DWARF_PCREL): Define.
478 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
480 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
481 * doc/passes.texi: Remove entries about regclass, local-alloc, and
482 global. Modify entries about regmove and IRA.
484 * ra-conflict.c: Remove the file.
486 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
488 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
489 (pass_regclass_init): Rename to pass_reginfo_init.
491 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
493 * toplev.h (flag_ira): Remove.
495 * caller-save.c (setup_save_areas): Remove flag_ira.
497 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
499 * global.c: Remove the file.
501 * opts.c: (decode_options): Remove flag_ira.
503 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
505 * regmove.c: Modify file description.
506 (find_use_as_address, try_auto_increment): Define them only if
507 AUTO_INC_DEC is defined.
508 (replacement_quality, replace_in_call_usage, fixup_match_1,
509 stable_and_no_regs_but_for_p): Remove.
510 (reg_set_in_bb): Make it static.
511 (regmove_optimize): Remove flag_ira and code which worked for
514 * local-alloc.c: Remove the file.
516 * common.opt (fira): Remove.
518 * ira.c: Include except.h.
519 (eliminable_regset): Move from global.c.
520 (mark_elimination): Ditto. Remove flag_ira.
521 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
522 equiv_mem_modified, validate_equiv_mem_from_store,
523 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
524 contains_replace_regs, memref_referenced_p, memref_used_between_p,
525 no_equiv, recorded_label_ref): Move from local-alloc.c.
526 (update_equiv_regs): Ditto. Make it static.
527 (print_insn_chain, print_insn_chains): Move it from global.c.
528 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
529 (build_insn_chain): Ditto. Make it static.
530 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
531 Rename to init_live_subregs.
532 (gate_ira): Remove flag_ira.
534 * regclass.c: Rename reginfo.c. Change file description.
535 (FORBIDDEN_INC_DEC_CLASSES): Remove.
536 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
537 (init_reg_sets_1): Remove code for evaluation of
538 reg_class_superclasses and losing_caller_save_reg_set.
539 (init_regs): Remove init_reg_autoinc.
540 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
541 ok_for_base_p_nonstrict): Remove.
542 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
543 (pass_regclass_init): Rename to pass_reginfo_init. Modify
544 corresponding entries.
545 (dump_regclass, record_operand_costs, scan_one_insn,
546 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
547 record_address_regs, auto_inc_dec_reg_p): Remove.
548 (gt-regclass.h): Rename to gt-reginfo.h.
550 * rtl.h (dump_global_regs, retry_global_alloc,
551 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
553 * Makefile.in (RA_H): Remove.
554 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
555 Rename regclass.o to reginfo.o.
556 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
558 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
559 (GTFILES): Rename regclass.c to reginfo.c.
561 * passes.c (init_optimization_passes): Remove pass_local_alloc and
562 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
564 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
565 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
567 (finish_spills): Ditto. Remove code for !flga_ira.
569 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
572 * doc/invoke.texi (rtl debug options): Complete rewrite.
573 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
575 * mode-switching.c (pass_mode_switching): Rename pass from
576 "mode-sw" to "mode_sw".
577 * except.c (pass_convert_to_eh_ranges): Rename pass from
578 "eh-ranges" to "eh_ranges".
579 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
583 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
584 Alexander Monakov <amonakov@ispras.ru>
587 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
589 (move_exprs_to_boundary): Change return type and pass through
590 should_move from move_op. Relax assert. Update usage ...
591 (schedule_expr_on_boundary): ... here. Use should_move instead of
593 (move_op_orig_expr_found): Indicate that insn was disconnected from
595 (code_motion_process_successors): Do not call after_merge_succs
596 callback if original expression was not found when traversing any of
598 (code_motion_path_driver): Change return type. Update prototype.
599 (move_op): Update comment. Add a new parameter (should_move). Update
600 prototype. Set *should_move based on indication provided by
601 move_op_orig_expr_found.
603 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
605 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
606 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
607 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
608 * config/rs6000/rs6000.c (rs6000_override_options): Default
609 avoid-indexed-addresses on for Power6, off for everything else.
610 (avoiding_indexed_address_p): New function.
611 (rs6000_legitimize_address): Use it.
612 (rs6000_legitimate_address): Likewise.
613 * config/rs6000/rs6000.md (movXX_updateX): Likewise
615 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
617 PR tree-optimization/38997
618 * tree-loop-distribution.c (generate_memset_zero): Use
619 POINTER_PLUS_EXPR for a pointer addition.
621 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
623 * config/s390/s390.md (bswap<mode>2): New pattern added.
625 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
627 * config/s390/s390.md (*tls_load_31): Added type attribute.
629 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
631 * config/s390/s390.md: Fix a few comments.
633 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
635 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
636 (*tm<mode>_full): Fixed z10prop attribute.
637 (*tst<mode>_extimm): Fixed z10prop attribute.
638 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
639 (*tstqiCCT_cconly): Fixed z10prop attribute.
640 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
641 (*movsi_larl): Fixed z10prop attribute.
642 (*movsi_zarch): Fixed z10prop attribute.
643 (*movsi_eas): Fixed z10prop attribute.
644 (*movhi): Fixed z10prop attribute.
645 (*movqi): Fixed z10prop attribute.
646 (*movstrictqi): Fixed z10prop attribute.
647 (*mov<mode>): Fixed z10prop attribute.
648 (*movcc): Fixed z10prop attribute.
649 (*sethighpartdi_64): Fixed z10prop attribute.
650 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
651 (*negdi2_sign_cc): Fixed z10prop attribute.
652 (*negdi2_sign): Fixed z10prop attribute.
653 (*absdi2_sign_cc): Fixed z10prop attribute.
654 (*absdi2_sign): Fixed z10prop attribute.
655 (*negabsdi2_sign_cc): Fixed z10prop attribute.
656 (*negabsdi2_sign): Fixed z10prop attribute.
657 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
658 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
659 (doloop_si64): Fixed z10prop attribute.
660 (doloop_si31): Fixed z10prop attribute.
661 (doloop_long): Fixed z10prop attribute.
662 (indirect_jump): Fixed z10prop attribute.
663 (nop): Fixed z10prop attribute.
664 (main_base_64): Fixed z10prop attribute.
665 (reload_base_64): Fixed z10prop attribute.
667 2009-01-28 Jakub Jelinek <jakub@redhat.com>
669 PR rtl-optimization/38740
670 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize.
671 * config/mips/mips.c (mips_reorg): Likewise.
673 2009-01-28 Richard Guenther <rguenther@suse.de>
675 PR tree-optimization/38926
676 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
677 with the correct value id to a value.
678 (do_regular_insertion): Use the value number of edoubleprime
679 for the value number of the expr.
682 2008-08-21 Richard Guenther <rguenther@suse.de>
684 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
685 a PHI ask VN if it is already available.
686 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
687 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
689 2009-01-28 Jakub Jelinek <jakub@redhat.com>
692 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
693 set to varying whenever max has TREE_OVERFLOW set, similarly
694 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
696 2009-01-28 Richard Guenther <rguenther@suse.de>
699 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
700 uninitialized aggregate uses in call arguments.
702 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
704 PR tree-optimization/38984
705 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
706 the nothing_id variable if -fno-delete-null-pointer-checks.
708 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
711 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
712 (set_got_offset_rex64): Ditto.
714 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
717 * doc/extend.texi: Improve local variable with asm reg.
719 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
721 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
722 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
723 was not supplied then set warn_packed_bitfield_compat to the
725 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
728 2009-01-27 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/38503
731 * cfgexpand.c (expand_gimple_basic_block): Ignore
732 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
733 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
734 variables that cannot have TBAA applied.
735 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
738 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
741 * calls.c (initialize_argument_information): Do not wrap complex
742 arguments in SAVE_EXPR.
744 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
746 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
747 (INSTALL_LIBGCC): Revert typo commit.
749 2009-01-26 Richard Guenther <rguenther@suse.de>
751 PR tree-optimization/38745
752 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
753 from special handling.
755 2009-01-26 Richard Guenther <rguenther@suse.de>
757 PR tree-optimization/38745
758 * tree-ssa.c (execute_update_addresses_taken): Do not include
759 variables that cannot possibly be a register in not_reg_needs.
760 Do not clear TREE_ADDRESSABLE on vars that may not become
762 * tree-ssa.c (update_alias_info_1): Include those in the set
765 2009-01-26 Richard Guenther <rguenther@suse.de>
768 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
769 * tree-ssa-dse.c: Include langhooks.h
770 (execute_simple_dse): Remove stores with zero size.
772 2009-01-24 Jakub Jelinek <jakub@redhat.com>
775 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
778 2009-01-24 Julian Brown <julian@codesourcery.com>
780 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
781 config/arm/linux-atomic.c.
782 * config/arm/linux-atomic.c: New.
784 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
786 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
787 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
788 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
790 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
793 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
796 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
798 PR tree-optimization/38953
799 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
800 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
801 (gloog): Split the exit of the scop when the scop exit is a loop exit.
802 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
805 2009-01-24 Paul Brook <paul@codesourcery.com>
807 * config/arm/neon.md (neon_type): Move to arm.md.
808 (neon_mov<VSTRUCT>): Add neon_type attribute.
809 * config/arm/arm.md (neon_type): Move to here.
810 (conds): Add "unconditioal" and use as default for NEON insns.
812 2009-01-24 Ben Elliston <bje@au.ibm.com>
814 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
815 void *' warning from -Wc++-compat.
816 * Makefile.in (dominance.o-warn): Remove.
818 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
820 PR tree-optimization/38932
821 * fold-const.c (fold_unary_ignore_overflow): New.
822 * tree.h (fold_unary_ignore_overflow): Declare.
823 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
824 * tree-ssa-sccvn.c (visit_reference_op_load,
825 simplify_unary_expression): Likewise.
827 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
829 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
830 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
831 regardless of their type.
832 * c-common.c (handle_packed_attribute): Don't ignore packed on
834 * c.opt (Wpacked-bitfield-compat): New warning option.
835 * stor-layout.c (place_field): Warn if offset of a field changed.
836 * doc/extend.texi (packed): Mention the ABI change.
837 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
838 (Warning Options): Add it to the list.
840 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
842 * c-opts.c (c_common_post_options): Fix a typo in comments.
844 2009-01-22 Steve Ellcey <sje@cup.hp.com>
847 * gimplify.c (gimplify_init_constructor): Fix promotion of const
849 * doc/invoke.texi (-fmerge-all-constants): Update description.
851 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
854 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
855 (*movdi_1_rex64): Use type "mmx" for alternative 5.
857 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
859 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
861 (LOCAL_ALIGNMENT): Similarly.
863 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
864 Joseph Myers <joseph@codesourcery.com>
866 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
867 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
868 * config/arm/arm-tune.md: Regenerate.
869 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
872 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
874 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
875 version number to five.
877 2009-01-22 Dodji Seketeli <dodji@redhat.com>
880 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
881 * c-common.c (set_underlying_type): Likewise.
882 (is_typedef_decl ): Likewise
884 (set_underlying_type): Likewise.
885 (is_typedef_type): Likewise.
887 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
890 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
893 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
896 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
897 (LIBGCC_SPEC): Don't define.
898 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
900 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
902 PR rtl-optimization/38879
903 * alias.c (base_alias_check): Unaligned access via AND address can
904 alias all surrounding object types except those with sizes equal
905 or wider than the size of unaligned access.
907 2009-01-21 Dodji Seketeli <dodji@redhat.com>
910 * c-decl.c: (clone_underlying_type): Move this ...
911 * c-common.c (set_underlying_type): ... here.
912 Also, make sure the function properly sets TYPE_STUB_DECL() on
913 the newly created typedef variant type.
914 (is_typedef_decl ): New entry point.
915 * tree.h: Added a new member member_types_needing_access_check to
916 struct tree_decl_non_common.
917 (set_underlying_type): New entry point.
918 (is_typedef_type): Likewise.
920 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
922 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
923 Check whether two instructions have memory references that
924 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
925 are helper functions for traversing.
926 * alias.h (insn_alias_sets_confilict_p): New prototypes.
927 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
928 not to draw dependency edge for instructions with non-conflicting
931 2009-01-20 Joseph Myers <joseph@codesourcery.com>
934 * longlong.h: Update copyright years. Use soft-fp license
935 notice. Sync __clz_tab declaration with glibc.
937 2009-01-20 Steve Ellcey <sje@cup.hp.com>
940 * doc/extend.texi (syscall_linkage): New.
941 (version_id): Modify.
943 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
944 Richard Guenther <rguenther@suse.de>
946 PR tree-optimization/38747
947 PR tree-optimization/38748
948 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
949 conversion if the base address is an indirect reference and the
950 aliasing sets could cause issues.
952 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
954 * common.opt (fgraphite, fgraphite-identity): Add comment for
955 explaining why these options are not documented.
957 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
959 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
960 gimple_call_lhs is NULL.
962 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
965 * emit-rtl.c (adjust_address_1): Make sure memref is never
968 2009-01-20 Ben Elliston <bje@au.ibm.com>
970 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
971 const qualifier from arg parameter. Remove unnecessary cast to char *.
972 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
973 const qualifier from arg 2.
975 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
977 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
979 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
982 * rtl.h (reinit_regs): New prototype.
983 * regclass.c: Include ira.h.
985 * Makefile.in (regclass.o): Add ira.h.
986 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
988 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
991 * c-common.c (handle_aligned_attribute): Use
992 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
993 default alignment value.
995 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
997 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
998 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1000 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1001 __BIGGEST_ALIGNMENT__.
1003 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1005 2009-01-18 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/38819
1008 * tree-flow.h (operation_could_trap_helper_p): Declare.
1009 * tree-eh.c (operation_could_trap_helper_p): Export.
1010 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1011 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1012 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1013 are about to insert a possibly trapping instruction and fail
1016 2009-01-18 Andreas Schwab <schwab@suse.de>
1018 * doc/install.texi (Configuration): Remove obsolete paragraph
1019 about use of --with-gnu-ld with --with-gnu-as.
1021 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1023 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1024 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1025 Follow spelling conventions.
1027 2009-01-18 Ben Elliston <bje@au.ibm.com>
1029 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1030 C++ warning about implicit conversion from void * to struct
1032 (bitmap_obstack_free): Likewise for bitmap_element *.
1033 * Makefile.in (bitmap.o-warn): Remove.
1035 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1037 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1039 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1040 Tobias Grosser <tobi.grosser@amd.com>
1042 * graphite.c (graphite_trans_scop_block): Do not block single
1045 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1047 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1048 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1049 test with assertion.
1051 2009-01-16 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/38835
1055 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1056 and INT + PTR -> (INT)(PTR p+ INT) folding.
1057 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1059 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1062 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1063 the subreg from a lowpart subreg if it is also casting the value.
1065 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1066 Tobias Grosser <tobi.grosser@amd.com>
1068 * graphite.c (compare_prefix_loops): New.
1069 (build_scop_canonical_schedules): Rewritten.
1070 (graphite_transform_loops): Move build_scop_canonical_schedules
1071 after build_scop_iteration_domain.
1073 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1074 Tobias Grosser <tobi.grosser@amd.com>
1076 * graphite.c (add_conditions_to_domain): Add the loops to
1077 the dimension of the iteration domain. Do copy the domain
1078 only when it exists.
1079 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1080 (add_conditions_to_constraints): New.
1081 (can_generate_code_stmt, can_generate_code): Removed.
1082 (gloog): Do not call can_generate_code.
1083 (graphite_transform_loops): Call add_conditions_to_constraints
1084 after building the iteration domain.
1086 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1088 PR tree-optimization/38789
1089 * tree-ssa-threadedge.c
1090 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1091 __builtin_constant_p.
1093 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1095 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1096 examined before deleting them.
1098 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1100 * function.c (aggregate_value_p): Correctly extract the function
1101 type from CALL_EXPR_FN lookup.
1103 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1105 * config/picochip/picochip.c (picochip_override_options): Revert
1106 CFI asm flag disable commited previously.
1108 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1109 Tobias Grosser <tobi.grosser@amd.com>
1110 Jan Sjodin <jan.sjodin@amd.com>
1112 * graphite.c (scan_tree_for_params): On substractions negate
1113 all the coefficients of the term.
1114 (clast_to_gcc_expression_red): New. Handle reduction expressions
1115 of more than two operands.
1116 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1117 (get_vdef_before_scop): Handle also the case of default definitions.
1119 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1121 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1122 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1123 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1125 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1126 Joey Ye <joey.ye@intel.com>
1129 * cfgexpand.c (expand_stack_alignment): Don't update stack
1130 boundary nor check incoming stack boundary here.
1131 (gimple_expand_cfg): Update stack boundary and check incoming
1132 stack boundary here.
1134 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1136 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1138 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1140 PR rtl-optimization/38245
1141 * calls.c (expand_call): Add stack arguments to
1142 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1143 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1144 in regs and partially in memory or BLKmode arguments.
1145 (emit_library_call_value_1): Add stack arguments to
1146 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1147 ACCUMULATE_OUTGOING_ARGS).
1148 * dce.c: Include tm_p.h.
1149 (find_call_stack_args): New function.
1150 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1152 (mark_insn): Call find_call_stack_args for CALL_Ps.
1153 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1154 forwards. Allocate and free arg_stores bitmap if needed, pass it
1155 down to deletable_insn_p, don't mark stores set in arg_stores
1156 bitmap, clear the bitmap at the beginning of each bb.
1157 * Makefile.in (dce.o): Depend on $(TM_P_H).
1159 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1162 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1163 to make sure the insn is a conditional test (bug 22599). Reformat a
1166 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1169 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1170 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1171 (gloog): Do not call cleanup_tree_cfg.
1172 (graphite_transform_loops): Call cleanup_tree_cfg after all
1173 scops have been code generated.
1175 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1176 * doc/gty.texi (Invoking the garbage collector): Added new node
1177 and section documenting ggc_collect.
1179 2009-01-14 Richard Guenther <rguenther@suse.de>
1181 PR tree-optimization/38826
1183 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1184 initialization notes only if we actually emitted a warning.
1185 (intra_create_variable_infos): Add constraints for a result decl
1186 that is passed by hidden reference.
1187 (build_pred_graph): Mark all related variables non-direct on
1190 2009-01-14 Nick Clifton <nickc@redhat.com>
1192 * ira-conflicts.c: Include addresses.h for the definition of
1194 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1195 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1197 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1200 * Makefile.in (ira-lives.o): Add except.h.
1202 * ira-lives.c: Include except.h.
1203 (process_bb_node_lives): Process can_throw_internal.
1205 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1207 PR rtl-optimization/38774
1208 * combine.c (simplify_set): When undoing cc_use change, don't do
1209 PUT_CODE on the newly created comparison, but instead put back the
1212 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1214 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1215 values. Remove duplicate arm8 entry.
1217 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1219 PR tree-optimization/38786
1220 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1221 the SSA_NAME case of expand_scalar_variables_expr.
1222 Set the type of an expression to the type of its assign statement.
1223 (expand_scalar_variables_expr): Also gather the scalar computation
1224 used to index the memory access. Do not pass loop_p.
1225 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1226 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1227 the gimple_stmt_iterator where it inserts new code.
1229 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1230 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1232 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1234 * graphite.h (debug_value): Removed.
1235 * graphite.c (debug_value): Removed.
1237 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1239 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1240 ldrd/strd with two 32-bit instructions.
1242 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1244 * config/arm/arm.c (struct processors): Pass for speed down into
1245 cost helper functions.
1246 (const_ok_for_op): Handle COMPARE and inequality nodes.
1247 (arm_rtx_costs_1): Rewrite.
1248 (arm_size_rtx_costs): Update prototype.
1249 (arm_rtx_costs): Pass speed down to helper functions.
1250 (arm_slowmul_rtx_costs): Rework cost calculations.
1251 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1252 (arm_9e_rtx_costs): Likewise.
1254 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1256 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1257 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1258 (alpha_legitimize_address): Do not split local symbols wider than
1259 UNITS_PER_WORD into HIGH/LO_SUM parts.
1261 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1264 * gcc.c (process_command): Replace call to execvp with calls
1265 to pex_one and exit.
1267 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1270 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1271 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1272 variant for devices with 3-byte PC.
1273 (__tablejump_elpm__) : New.
1275 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1278 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1279 offsetof member-designator, handle it as `[0].'.
1281 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1283 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1284 function when not using named sections on targets with named sections
1285 if branch distance is less than 262132.
1287 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1289 * combine.c (combine_instructions): Recompute
1290 optimize_this_for_speed_p for each BB in the main combine loop.
1292 2009-01-12 Tomas Bily <tbily@suse.cz>
1295 * tree-loop-distribution.c (prop_phis): New function.
1296 (generate_builtin): Call prop_phis.
1297 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1299 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1301 PR tree-optimization/38807
1302 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1303 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1305 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1307 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1308 subreg of op0 to the original op0.
1310 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1312 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1314 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1317 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1318 starting with digits.
1320 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1323 * config/arm/arm.c (arm_is_long_call_p): Don't call
1324 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1326 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1328 * regrename.c (regrename_optimize): Fix dumping.
1329 (find_oldest_value_reg): Preserve REG_POINTER.
1330 (copy_hardreg_forward_1): Likewise.
1332 2009-01-09 Diego Novillo <dnovillo@google.com>
1334 * gimple.h (struct gimple_statement_base) <uid>: Document
1335 the restrictions on its use.
1337 (gimple_set_uid): Tidy.
1339 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1341 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1342 zero guard even if align_bytes != 0 and count is smaller than
1345 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1347 PR rtl-optimization/38495
1348 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1349 (add_range_and_copies_from_move_list): Print all added ranges.
1350 Add ranges to memory optimized destination.
1352 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1356 * config/i386/i386.c (override_options): Reject
1357 -mstringop-strategy=rep_8byte with -m32.
1358 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1359 to 1. Do count comparison against epilogue_size_needed at compile
1360 time even when count_exp was constant forced into register. For
1361 size_needed don't jump to epilogue, instead just avoid aligning
1362 and invoke the body algorithm. If need_zero_guard, add zero guard
1363 even if count is non-zero, but smaller than size_needed + number of
1364 bytes that could be stored for alignment.
1365 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1366 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1367 but smaller than size_needed + number of bytes that could be stored
1368 for alignment. Compare size_needed with epilogue_size_needed instead
1369 of desired_align - align, don't adjust size_needed, pass
1370 epilogue_size_needed to the epilogue expanders.
1373 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1375 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1377 * pa.c (last_address): Change to unsigned.
1378 (update_total_code_bytes): Change argument to unsigned. Don't
1379 check if insn addresses are set.
1380 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1381 addresses are not set.
1382 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1384 2009-01-09 Nick Clifton <nickc@redhat.com>
1386 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1387 DECL_DECLARED_INLINE_P.
1389 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1392 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1393 GET_MODE (op0) in operand_subword_force calls.
1396 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1397 fold_convert arg0 operands to TREE_TYPE (op0) first.
1399 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1401 * params.def (ira-max-conflict-table-size): Decrease default value
1404 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1406 PR tree-optimization/37031
1407 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1409 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1410 allocate it using gc instead of heap, use VEC_quick_push instead of
1412 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1413 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1414 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1415 allocated vector from heap allocated.
1416 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1417 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1418 vector only after perfect_loop_nest_depth call.
1420 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1421 Jan Sjodin <jan.sjodin@amd.com>
1423 PR tree-optimization/38559
1424 * graphite.c (debug_value, copy_constraint,
1425 swap_constraint_variables, scale_constraint_variable, ): New.
1426 (get_lower_bound, get_upper_bound): Removed.
1427 (graphite_trans_bb_strip_mine): Clean up this code that works
1428 only for constant number of iterations. Fully copy upper and
1429 lower bound constraints, not only the constant part of them.
1430 * graphite.h (debug_value): Declared.
1432 2009-01-08 Ira Rosen <irar@il.ibm.com>
1434 PR tree-optimization/37194
1435 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1436 Don't add the cost of cost model guard in prologue to scalar
1437 outside cost in case of known number of iterations.
1439 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1440 Alan Modra <amodra@bigpond.net.au>
1442 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1443 non-word-aligned REG+CONST addressing.
1445 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1448 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1449 free_after_compilation when outputting a thunk.
1450 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1451 Do not call free_after_compilation here.
1453 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1455 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1456 (ix86_valid_target_attribute_inner_p): Ditto.
1458 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1460 PR tree-optimization/38492
1461 PR tree-optimization/38498
1462 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1463 * tree-chrec.h (scev_is_linear_expression): Declared.
1464 * graphite.c (graphite_cannot_represent_loop_niter): New.
1465 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1466 (graphite_loop_normal_form): Use gcc_assert.
1467 (scan_tree_for_params): Use CASE_CONVERT.
1468 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1469 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1470 Use gcc_assert. Discard scops that contain unhandled cases.
1471 (build_scop_conditions): Return a boolean status for unhandled cases.
1472 (strip_mine_profitable_p): Print the loop number, not its depth.
1473 (is_interchange_valid): Pass the depth of the loop nest, don't
1474 recompute it wrongly.
1475 (graphite_trans_bb_block): Same.
1476 (graphite_trans_bb_block): Print tentative of loop blocking.
1477 (graphite_trans_scop_block): Do not print that the loop has been
1479 (graphite_transform_loops): Do not handle scops that contain condition
1482 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1484 AVX Programming Reference (December, 2008)
1485 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1486 (_mm256_stream_pd): Likewise.
1487 (_mm256_stream_ps): Likewise.
1489 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1490 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1491 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1492 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1493 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1494 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1495 (ix86_expand_special_args_builtin): Likewise.
1497 * config/i386/sse.md (AVXMODEDI): New.
1498 (avx_movnt<mode>): Likewise.
1499 (avx_movnt<mode>): Likewise.
1500 (<sse>_movnt<mode>): Remove AVX support.
1501 (sse2_movntv2di): Likewise.
1503 2009-01-07 Richard Guenther <rguenther@suse.de>
1506 * fold-const.c (extract_muldiv): Remove obsolete comment.
1507 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1508 to PLUS_EXPR canonicalization for the canonicalization.
1510 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1512 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1513 hosted cross-compilers generating less efficient code.
1515 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1517 * function.h (rtl_data): Add a dbr_scheduled_p field.
1518 * reorg.c (dbr_schedule): Set it.
1519 (gate_handle_delay_slots): Check it.
1520 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1521 (mips_reorg): Check flag_delayed_branch instead of
1522 mips_base_delayed_branch.
1523 (mips_override_options): Don't set mips_base_delayed_branch
1524 or flag_delayed_branch.
1526 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1528 PR rtl-optimization/38426.
1529 * ira.c (ira): Set current_function_is_leaf earlier.
1531 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1533 PR rtl-optimization/38722
1534 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1535 too early, only set a flag and modify after last possible
1538 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1541 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1542 * real.c (decimal_single_format): Correct values of emin and emax.
1543 (decimal_double_format): Ditto.
1544 (decimal_quad_format): Ditto.
1545 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1546 computation of DECnn_MIN and DECnn_MAX for corrected values of
1547 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1548 __DECnn_MIN__, and adjust its computation for the corrected value
1551 2009-01-06 Jan Hubicka <jh@suse.cz>
1554 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1556 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1558 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1559 Add Robert Clark to the list of testers.
1561 2009-01-06 Jan Hubicka <jh@suse.cz>
1562 Kai Tietz <kai.tietz@onevision.com>
1564 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1565 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1567 2009-01-06 Jan Hubicka <jh@suse.cz>
1568 Kai Tietz <kai.tietz@onevision.com>
1570 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1572 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1573 (ix86_nsaved_regs): Count only general purpose regs.
1574 (ix86_nsaved_sseregs): New.
1575 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1576 to 16 for w64; compute padding and size of sse reg save area.
1577 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1578 general purpose regs.
1579 (ix86_emit_save_sse_regs_using_mov): New.
1580 (ix86_expand_prologue): Save SSE regs if needed.
1581 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1582 (ix86_emit_restore_sse_regs_using_mov): New.
1583 (ix86_expand_epilogue): Save SSE regs if needed.
1585 2009-01-06 Jan Hubicka <jh@suse.cz>
1586 Kai Tietz <kai.tietz@onevision.com>
1588 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1589 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1590 functions when accumulate outgoing args is off.
1592 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1595 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1596 before using pseudos_have_intersected_live_ranges_p.
1598 * ira-int.h (ira_assert): Always define.
1600 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1602 AVX Programming Reference (December, 2008)
1603 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1604 (_mm256_permute2_pd): Likewise.
1605 (_mm_permute2_ps): Likewise.
1606 (_mm256_permute2_ps): Likewise.
1607 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1608 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1610 * config/i386/i386.c (ix86_builtins): Remove
1611 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1612 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1613 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1614 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1615 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1616 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1617 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1618 __builtin_ia32_vpermil2ps256.
1619 (ix86_init_mmx_sse_builtins): Updated.
1620 (ix86_expand_args_builtin): Likewise.
1622 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1624 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1625 long absolute calls when generating PA 2.0 code.
1627 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1629 PR rtl-optimization/38583
1630 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1632 * params.def (ira-max-conflict-table-size): New.
1634 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1636 * ira.h (ira_conflicts_p): New external definition.
1638 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1639 table. Report this. Return result of building.
1640 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1641 building conflict table.
1643 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1644 (ira_color): Use ira_conflicts_p.
1646 * global.c: Include ira.h.
1647 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1650 * Makefile.in (global.o): Add ira.h.
1652 * ira-build.c (mark_all_loops_for_removal,
1653 propagate_some_info_from_allocno): New.
1654 (remove_unnecessary_allocnos): Call
1655 propagate_some_info_from_allocno.
1656 (remove_low_level_allocnos): New.
1657 (remove_unnecessary_regions): Add parameter. Call
1658 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1659 parameter to remove_unnecessary_regions.
1660 (ira_build): Remove all regions but root if the conflict table was
1661 not built. Update conflict hard regs for allocnos crossing calls.
1663 * ira.c (ira_conflicts_p): New global.
1664 (ira): Define and use ira_conflicts_p.
1666 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1667 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1668 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1670 2009-01-06 Ben Elliston <bje@au.ibm.com>
1672 * gengtype-lex.l (YY_NO_INPUT): Define.
1674 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1677 * c-common.c (handle_vector_size_attribute): Also reject
1680 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1682 PR tree-optimization/38492
1683 * graphite.c (rename_map_elt, debug_rename_elt,
1684 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1685 rename_map_elt_info, eq_rename_map_elts,
1686 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1687 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1688 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1689 (sese_build_livein_liveouts): New.
1690 (new_sese, free_sese): New.
1691 (new_scop): Call new_sese.
1692 (free_scop): Call free_sese.
1693 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1694 (register_old_new_names): Renamed register_old_and_new_names.
1695 (register_scop_liveout_renames, add_loop_exit_phis,
1696 insert_loop_close_phis, struct igp,
1697 default_liveout_before_guard, add_guard_exit_phis,
1698 insert_guard_phis, copy_renames): New.
1699 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1700 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1701 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1702 (scop_adjust_phis_for_liveouts): New.
1703 (gloog): Call scop_adjust_phis_for_liveouts.
1705 * graphite.h (struct sese): Documented. Added fields liveout,
1707 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1708 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1709 (struct scop): Added field liveout_renames.
1710 (SCOP_LIVEOUT_RENAMES): New.
1712 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1714 PR tree-optimization/38510
1715 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1716 (translate_clast): Call recompute_all_dominators before
1718 (gloog): Call recompute_all_dominators before graphite_verify.
1720 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1721 Jan Sjodin <jan.sjodin@amd.com>
1723 PR tree-optimization/38500
1724 * graphite.c (create_sese_edges): Call fix_loop_structure after
1727 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1729 * config.gcc: Add m32r*-*-rtems*.
1730 * config/m32r/rtems.h: New file.
1732 2009-01-05 Ben Elliston <bje@au.ibm.com>
1734 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1735 (.po.pox): Likewise.
1736 (po/gcc.pot): Likewise.
1738 2009-01-04 David S. Miller <davem@davemloft.net>
1740 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1741 (STARTING_FRAME_OFFSET): Always set to zero.
1743 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1745 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1746 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1747 fixed-point types, and vectors of the same.
1749 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1751 * config/mips/sync.md (*mb_barrier): Rename to...
1752 (*memory_barrier): ...this.
1754 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1756 * doc/extend.texi (Function Attributes): Move @cindex after @item
1757 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1758 and put in alphabetical order. Fix 'target' name and put in order.
1759 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1762 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1764 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1765 (memory_barrier): Expand as unspec instead of unspec_volatile.
1766 Remove mem:BLK from insn operands. Use Pmode scratch register.
1767 (*memory_barrier): Define as unspec instead of unspec_volatile.
1768 Use (match_dup 0) as input operand.
1770 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1771 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1772 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1773 scratch register. Remove operand 1.
1774 (*stbar): Define as unspec instead of unspec_volatile.
1775 Use (match_dup 0) as input operand, remove (const_int 8).
1776 (*membar): Define as unspec instead of unspec_volatile.
1777 Use (match_dup 0) as input operand, remove input operand 2.
1779 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1780 (memory_barrier): Expand as unspec instead of unspec_volatile.
1781 Remove mem:BLK from insn operands. Use Pmode scratch register.
1782 (*memory_barrier): Define as unspec instead of unspec_volatile.
1783 Use (match_dup 0) as input operand.
1785 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1786 Remove mem:BLK from insn operands. Use Pmode scratch register.
1787 Set volatile flag on operand 0.
1788 (*memory_barrier): New insn pattern.
1790 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1792 (*memory_barrier): Use (match_dup 0) as input operand.
1794 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1795 Remove mem:BLK from insn operands. Use Pmode scratch register.
1796 Set volatile flag on operand 0.
1797 (*mb_internal): New insn pattern.
1799 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1801 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1804 * function.c (struct temp_slot): Move to the section of the file
1805 that deals with temp slots. Remove field 'address'.
1806 (temp_slot_address_table): New hash table of address -> temp slot.
1807 (struct temp_slot_address_entry): New struct, items for the table.
1808 (temp_slot_address_compute_hash, temp_slot_address_hash,
1809 temp_slot_address_eq, insert_temp_slot_address): Support functions
1811 (find_temp_slot_from_address): Rewrite to use the new hash table.
1812 (remove_unused_temp_slot_addresses): Remove addresses of temp
1813 slots that have been made available.
1814 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1815 worker function for remove_unused_temp_slot_addresses.
1816 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1817 Add the temp slot address to the address -> temp slot map.
1818 (update_temp_slot_address): Update via insert_temp_slot_address.
1819 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1820 (pop_temp_slots): Likewise.
1821 (init_temp_slots): Allocate the address -> temp slot map, or empty
1822 the map if it is already allocated.
1823 (prepare_function_start): Initialize temp slot processing.
1825 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1828 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1829 Calculate the size of all stack vars assuming no packing of stack
1830 vars will happen, replacing a quadratic algorithm with a linear one.
1832 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1835 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1838 2009-01-03 Diego Novillo <dnovillo@google.com>
1840 * doc/contrib.texi: Update contributions.
1842 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1845 * builtins.c (fold_builtin_memory_op): Give up if either operand
1846 is volatile. Set srctype or desttype to non-qualified version
1850 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1853 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1855 PR rtl-optimization/35805
1856 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1857 problem if fast dce is able to remove any instructions.
1858 * dce.c (dce_process_block): Fix dump message.
1860 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1863 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1865 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1868 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1869 * tree-pretty-print.c (op_code_prio): New function.
1870 (op_prio): No longer static. Use op_code_prio.
1871 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1872 Use op_prio and op_code_prio to determine if () should be
1873 printed around operand(s) or not.
1875 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1876 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1877 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1878 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1879 pp_character instead of pp_string for single letter printing.
1881 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1883 * doc/extend.texi: Fix '#pragma GCC option' typo.
1885 2009-01-02 Richard Guenther <rguenther@suse.de>
1887 * doc/install.texi (--enable-checking): Mention different
1889 (--enable-stage1-checking): Document.
1891 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1894 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1895 case to be an error.
1897 2009-01-02 Ben Elliston <bje@au.ibm.com>
1899 * config/fp-bit.h (pack_d): Constify argument.
1900 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1901 (isnan): Constify argument.
1905 (_fpadd_parts): Constify return type.
1906 (_fpmul_parts): Likewise.
1907 (_fpdiv_parts): Likewise.
1909 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1912 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1913 warn about overwriting initializer with side-effects or
1914 -Woverride-init if !IMPLICIT.
1915 (output_init_element): Likewise. Pass IMPLICIT down to
1917 (process_init_element): Add IMPLICIT argument. Pass it down
1918 to output_init_element.
1919 (push_init_element, pop_init_level, set_designator): Adjust
1920 process_init_element callers.
1921 (set_nonincremental_init, set_nonincremental_init_from_string):
1922 Adjust add_pending_init callers.
1923 (output_pending_init_elements): Adjust output_init_element callers.
1924 * c-tree.h (process_init_element): Adjust prototype.
1925 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1926 process_init_element callers.