1 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5 bit to variable length decl's flags, add it also to its
6 pointer replacement variable.
8 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
9 Jakub Jelinek <jakub@redhat.com>
12 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
13 (memory_blockage): New expander.
14 (*memory_blockage): New insn pattern.
15 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
16 instead of general blockage at the end of function prologue when
17 frame pointer is used to access red zone area. Do not emit blockage
18 when profiling, it is emitted in generic code.
19 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
20 function epilogue when frame pointer is used to access red zone area.
22 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
24 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
25 by arithmetic with memory operands.
26 * config/i386/predicates.md (commutative_operator): New.
28 2009-02-10 Janis Johnson <janis187@us.ibm.com>
30 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
33 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
35 * alias.h (record_alias_subset): Declare.
36 * alias.c (record_alias_subset): Make global.
38 2009-02-10 Nick Clifton <nickc@redhat.com>
40 * tree-parloops.c: Change license to GPLv3.
41 * ipa-struct-reorg.c: Change license to GPLv3.
42 * ipa-struct-reorg.h: Change license to GPLv3.
44 2009-02-10 Steve Ellcey <sje@cup.hp.com>
47 * c-decl.c (start_struct): Return NULL on error.
49 2009-02-10 Jakub Jelinek <jakub@redhat.com>
52 * cfgloopmanip.c (remove_path): Call remove_bbs after
53 cancel_loop_tree, not before it.
56 * function.h (struct function): Add has_local_explicit_reg_vars bit.
57 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
59 * tree-ssa-live.c (remove_unused_locals): Recompute
60 cfun->has_local_explicit_reg_vars.
61 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
62 copies or clearings if cfun->has_local_explicit_reg_vars.
64 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
67 * config/i386/i386.c (expand_prologue): Emit blockage at the end
68 of function prologue when frame pointer is used to access
71 2009-02-10 Richard Guenther <rguenther@suse.de>
74 * gimplify.c (gimple_regimplify_operands): Always look if
75 we need to create a temporary.
77 2009-02-10 Richard Guenther <rguenther@suse.de>
79 PR tree-optimization/39132
80 * tree-loop-distribution.c (todo): New global var.
81 (generate_memset_zero): Trigger TODO_rebuild_alias.
82 (tree_loop_distribution): Return todo.
84 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
87 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
88 (x86_64_reg_class_name): Removed.
89 (classify_argument): Return 0 if bytes > 32. Return 0 if the
90 first one isn't X86_64_SSE_CLASS or any other ones aren't
91 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
92 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
93 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
94 and 3 X86_64_SSEUP_CLASS.
95 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
96 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
98 2009-02-10 Ben Elliston <bje@au.ibm.com>
100 * config/rs6000/rs6000.md (allocate_stack): Always use an update
101 form instruction to update the stack back chain word, even if the
102 user has disabled the generation of update instructions.
103 (movdi_<mode>_update_stack): New.
104 (movsi_update_stack): Likewise.
105 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
106 always use an update form instruction to update the stack back
109 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
112 * graphite.c (if_region_set_false_region): After moving a region in
113 the false branch of a condition, remove the empty dummy basic block.
114 (gloog): Remove wrong fix for PR38953.
116 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
118 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
119 generation due to implicit sign extension.
121 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
124 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
125 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
127 2009-02-09 Richard Guenther <rguenther@suse.de>
130 * convert.c (convert_to_real): Disable (float)fn((double)x)
131 to fnf(x) conversion if errno differences may occur and
134 2009-02-07 Anatoly Sokolov <aesok@post.ru>
136 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
137 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
138 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
140 2009-02-06 Joseph Myers <joseph@codesourcery.com>
143 * c-common.c (handle_alias_attribute): Disallow attribute for
144 anything not a FUNCTION_DECL or VAR_DECL.
146 2009-02-06 Janis Johnson <janis187@us.ibm.com>
149 * real.c (do_compare): Special-case compare of zero against
152 2009-02-06 Joseph Myers <joseph@codesourcery.com>
155 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
156 as indicating flexible array members unless the field itself is
157 being declarared as the incomplete array.
159 2009-02-06 Jan Hubicka <jh@suse.cz>
161 PR tree-optimization/38844
162 * ipa-inline.c (try_inline): Stop inlining recursion when edge
165 2009-02-06 Richard Guenther <rguenther@suse.de>
168 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
169 fork because we may expand it as __gcov_fork.
171 2009-02-06 Nick Clifton <nickc@redhat.com>
173 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
175 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
177 PR tree-optimization/35659
178 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
179 vn_phi_eq): Shortcut if hashcode does not match.
180 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
182 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
183 and avoid iterative_hash_expr.
184 (FOR_EACH_VALUE_ID_IN_SET): New.
185 (value_id_compare): Remove.
186 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
187 sort expressions by value id.
189 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
192 * config/sh/predicates.md (general_movsrc_operand): Don't check
193 the subreg of system registers here.
195 2009-02-05 Jakub Jelinek <jakub@redhat.com>
198 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
201 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
203 PR rtl-optimization/39110
204 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
205 addresses, not aligned ones.
207 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
208 Richard Guenther <rguenther@suse.de>
210 PR tree-optimization/39100
211 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
212 comment says and add edges.
214 2009-02-05 Joseph Myers <joseph@codesourcery.com>
217 * c-common.c (handle_tls_model_attribute): Ignore attribute for
218 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
220 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
222 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
223 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
224 register_bb_in_sese, new_sese, free_sese): Moved.
225 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
226 outermost_loop_in_scop, build_scop_iteration_domain,
227 expand_scalar_variables_ssa_name, get_vdef_before_scop,
228 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
229 Use loop_in_sese_p instead of loop_in_scop_p.
230 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
231 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
232 (scopdet_basic_block_info): Fix bug in scop detection.
233 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
234 eq_loop_to_cloog_loop): Remove.
235 (nb_loops_around_loop_in_scop, nb_loop
236 ref_nb_loops): Moved here...
237 * graphite.h (ref_nb_loops): ... from here.
238 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
239 (loop_domain_dim, loop_iteration_vector_dim): Remove.
240 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
241 * testsuite/gcc.dg/graphite/scop-19.c: New
243 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
244 Hans-Peter Nilsson <hp@axis.com>
246 PR rtl-optimization/37889
247 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
248 Move offset handling from PLUS to before the switch. Use new
249 arguments when considering SYMBOL_REFs too.
250 (rtx_addr_can_trap_p): Pass dummy offset and size.
251 (enum may_trap_p_flags): Remove.
252 (may_trap_p_1): Pass size from MEM_SIZE.
254 PR rtl-optimization/38921
255 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
256 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
257 * rtlanal.c (may_trap_after_code_motion_p): Delete.
258 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
260 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
262 AVX Programming Reference (January, 2009)
263 * config/i386/sse.md (*vpclmulqdq): New.
265 2009-02-04 Jakub Jelinek <jakub@redhat.com>
267 PR tree-optimization/38977
268 PR gcov-profile/38292
269 * calls.c (special_function_p): Disregard __builtin_ prefix.
271 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
273 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
274 non-indexable addresses even before reload.
276 2009-02-03 Joseph Myers <joseph@codesourcery.com>
279 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
280 as having variable size. Do not give an error for unnamed
281 parameters with [*] declarators. Give a warning for type names
282 with [*] declarators and mark them as variable size.
283 * c-parser.c (c_parser_sizeof_expression): Do not give an error
284 for sizeof applied to [*] type names.
286 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
289 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
291 2009-02-03 Jakub Jelinek <jakub@redhat.com>
293 * gcc.c (process_command): Update copyright notice dates.
294 * gcov.c (print_version): Likewise.
295 * gcov-dump.c (print_version): Likewise.
296 * mips-tfile.c (main): Likewise.
297 * mips-tdump.c (main): Likewise.
299 2009-02-03 Joseph Myers <joseph@codesourcery.com>
302 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
303 for composite type involving a zero-length array type.
305 2009-02-03 Jakub Jelinek <jakub@redhat.com>
308 * function.c (match_asm_constraints_1): Skip over
309 initial optional % in the constraint.
312 * c-parser.c (c_parser_postfix_expression): If fixed point is not
313 supported, don't accept FIXED_CSTs.
314 * c-decl.c (finish_declspecs): Error if fixed point is not supported
315 and _Sat is used without _Fract/_Accum. Set specs->type to
316 integer_type_node for cts_fract/cts_accum if fixed point is not
319 2009-02-02 Catherine Moore <clm@codesourcery.com>
321 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
323 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
325 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
326 (ABI_HAS_64BIT_SYMBOLS): Use it.
327 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
329 2009-02-02 Paul Brook <paul@codesourcery.com>
331 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
333 2009-02-02 Jakub Jelinek <jakub@redhat.com>
336 * recog.h (asm_operand_ok): Add constraints argument.
337 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
338 recurse on matching constraint.
339 (check_asm_operands): Pass constraints as 3rd argument to
340 asm_operand_ok. Don't look up matching constraint here.
341 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
344 2009-02-02 Ben Elliston <bje@au.ibm.com>
346 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
347 TARGET_NARROW_VOLATILE_BITFIELD macro names.
349 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
351 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
352 information. Remove some obsolete information. Reorganize.
354 * config/pa/fptr.c: Revert license to GPL 2.
355 * config/pa/milli64.S: Likewise.
357 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
360 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
361 LIBRARY name in, instead of hard-coding it.
362 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
363 extra target make frag to tmake_files according to EH model.
364 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
365 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
366 frags that define makefile variable EH_MODEL appropriately.
367 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
368 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
369 to "-sjlj" according to type of EH configured.
370 (LIBGCC_SONAME): Concatenate it to shared library base name.
371 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
372 to "_sjlj" according to type of EH configured.
373 (LIBGCC_SONAME): Concatenate it to shared library base name.
374 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
375 (SHLIB_LINK): Add missing semicolon to if-else construct.
376 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
377 string value of "pe_dll" command-line option.
378 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
379 (SHLIB_SONAME): Use it when overriding t-cygming default.
380 (SHLIB_IMPLIB): Override t-cygming default.
381 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
382 string value of "pe_dll" command-line option.
384 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
387 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
388 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
390 2009-01-31 Richard Guenther <rguenther@suse.de>
392 PR tree-optimization/38937
393 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
394 computing the transitive closure.
396 2009-01-30 Richard Guenther <rguenther@suse.de>
398 PR tree-optimization/39041
399 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
400 Propagate variable indices only if the types match for this stmt.
402 2009-01-30 Jakub Jelinek <jakub@redhat.com>
405 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
406 inline but never defined.
408 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
410 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
411 (*insv_h_di_reg_extimm): New insn.
412 (*insv_l<mode>_reg_extimm): New insn.
414 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
416 * config/picochip/picochip.c (flag_conserve_stack): set
417 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
418 fconserve-stack. Reduce call-overhead used by inliner.
420 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
423 * common.opt (flag_conserve_stack): Initialised to zero.
425 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
428 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
429 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
432 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
434 * ira-color.c (allocno_reload_assign): Update comments.
435 * regmove.c (regmove_optimize): Likewise.
439 2009-01-29 Robert Millan <rmh@aybabtu.com>
441 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
442 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
444 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
446 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
448 PR tree-optimization/39007
449 * tree-loop-distribution.c (generate_builtin): Use
450 recompute_dominator to compute the immediate dominator of the
451 basic block just after the loop.
453 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
455 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
456 (ASM_OUTPUT_DWARF_PCREL): Define.
458 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
460 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
461 * doc/passes.texi: Remove entries about regclass, local-alloc, and
462 global. Modify entries about regmove and IRA.
464 * ra-conflict.c: Remove the file.
466 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
468 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
469 (pass_regclass_init): Rename to pass_reginfo_init.
471 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
473 * toplev.h (flag_ira): Remove.
475 * caller-save.c (setup_save_areas): Remove flag_ira.
477 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
479 * global.c: Remove the file.
481 * opts.c: (decode_options): Remove flag_ira.
483 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
485 * regmove.c: Modify file description.
486 (find_use_as_address, try_auto_increment): Define them only if
487 AUTO_INC_DEC is defined.
488 (replacement_quality, replace_in_call_usage, fixup_match_1,
489 stable_and_no_regs_but_for_p): Remove.
490 (reg_set_in_bb): Make it static.
491 (regmove_optimize): Remove flag_ira and code which worked for
494 * local-alloc.c: Remove the file.
496 * common.opt (fira): Remove.
498 * ira.c: Include except.h.
499 (eliminable_regset): Move from global.c.
500 (mark_elimination): Ditto. Remove flag_ira.
501 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
502 equiv_mem_modified, validate_equiv_mem_from_store,
503 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
504 contains_replace_regs, memref_referenced_p, memref_used_between_p,
505 no_equiv, recorded_label_ref): Move from local-alloc.c.
506 (update_equiv_regs): Ditto. Make it static.
507 (print_insn_chain, print_insn_chains): Move it from global.c.
508 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
509 (build_insn_chain): Ditto. Make it static.
510 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
511 Rename to init_live_subregs.
512 (gate_ira): Remove flag_ira.
514 * regclass.c: Rename reginfo.c. Change file description.
515 (FORBIDDEN_INC_DEC_CLASSES): Remove.
516 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
517 (init_reg_sets_1): Remove code for evaluation of
518 reg_class_superclasses and losing_caller_save_reg_set.
519 (init_regs): Remove init_reg_autoinc.
520 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
521 ok_for_base_p_nonstrict): Remove.
522 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
523 (pass_regclass_init): Rename to pass_reginfo_init. Modify
524 corresponding entries.
525 (dump_regclass, record_operand_costs, scan_one_insn,
526 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
527 record_address_regs, auto_inc_dec_reg_p): Remove.
528 (gt-regclass.h): Rename to gt-reginfo.h.
530 * rtl.h (dump_global_regs, retry_global_alloc,
531 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
533 * Makefile.in (RA_H): Remove.
534 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
535 Rename regclass.o to reginfo.o.
536 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
538 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
539 (GTFILES): Rename regclass.c to reginfo.c.
541 * passes.c (init_optimization_passes): Remove pass_local_alloc and
542 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
544 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
545 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
547 (finish_spills): Ditto. Remove code for !flga_ira.
549 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
552 * doc/invoke.texi (rtl debug options): Complete rewrite.
553 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
555 * mode-switching.c (pass_mode_switching): Rename pass from
556 "mode-sw" to "mode_sw".
557 * except.c (pass_convert_to_eh_ranges): Rename pass from
558 "eh-ranges" to "eh_ranges".
559 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
563 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
564 Alexander Monakov <amonakov@ispras.ru>
567 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
569 (move_exprs_to_boundary): Change return type and pass through
570 should_move from move_op. Relax assert. Update usage ...
571 (schedule_expr_on_boundary): ... here. Use should_move instead of
573 (move_op_orig_expr_found): Indicate that insn was disconnected from
575 (code_motion_process_successors): Do not call after_merge_succs
576 callback if original expression was not found when traversing any of
578 (code_motion_path_driver): Change return type. Update prototype.
579 (move_op): Update comment. Add a new parameter (should_move). Update
580 prototype. Set *should_move based on indication provided by
581 move_op_orig_expr_found.
583 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
585 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
586 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
587 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
588 * config/rs6000/rs6000.c (rs6000_override_options): Default
589 avoid-indexed-addresses on for Power6, off for everything else.
590 (avoiding_indexed_address_p): New function.
591 (rs6000_legitimize_address): Use it.
592 (rs6000_legitimate_address): Likewise.
593 * config/rs6000/rs6000.md (movXX_updateX): Likewise
595 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
597 PR tree-optimization/38997
598 * tree-loop-distribution.c (generate_memset_zero): Use
599 POINTER_PLUS_EXPR for a pointer addition.
601 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
603 * config/s390/s390.md (bswap<mode>2): New pattern added.
605 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
607 * config/s390/s390.md (*tls_load_31): Added type attribute.
609 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
611 * config/s390/s390.md: Fix a few comments.
613 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
615 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
616 (*tm<mode>_full): Fixed z10prop attribute.
617 (*tst<mode>_extimm): Fixed z10prop attribute.
618 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
619 (*tstqiCCT_cconly): Fixed z10prop attribute.
620 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
621 (*movsi_larl): Fixed z10prop attribute.
622 (*movsi_zarch): Fixed z10prop attribute.
623 (*movsi_eas): Fixed z10prop attribute.
624 (*movhi): Fixed z10prop attribute.
625 (*movqi): Fixed z10prop attribute.
626 (*movstrictqi): Fixed z10prop attribute.
627 (*mov<mode>): Fixed z10prop attribute.
628 (*movcc): Fixed z10prop attribute.
629 (*sethighpartdi_64): Fixed z10prop attribute.
630 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
631 (*negdi2_sign_cc): Fixed z10prop attribute.
632 (*negdi2_sign): Fixed z10prop attribute.
633 (*absdi2_sign_cc): Fixed z10prop attribute.
634 (*absdi2_sign): Fixed z10prop attribute.
635 (*negabsdi2_sign_cc): Fixed z10prop attribute.
636 (*negabsdi2_sign): Fixed z10prop attribute.
637 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
638 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
639 (doloop_si64): Fixed z10prop attribute.
640 (doloop_si31): Fixed z10prop attribute.
641 (doloop_long): Fixed z10prop attribute.
642 (indirect_jump): Fixed z10prop attribute.
643 (nop): Fixed z10prop attribute.
644 (main_base_64): Fixed z10prop attribute.
645 (reload_base_64): Fixed z10prop attribute.
647 2009-01-28 Jakub Jelinek <jakub@redhat.com>
649 PR rtl-optimization/38740
650 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize.
651 * config/mips/mips.c (mips_reorg): Likewise.
653 2009-01-28 Richard Guenther <rguenther@suse.de>
655 PR tree-optimization/38926
656 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
657 with the correct value id to a value.
658 (do_regular_insertion): Use the value number of edoubleprime
659 for the value number of the expr.
662 2008-08-21 Richard Guenther <rguenther@suse.de>
664 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
665 a PHI ask VN if it is already available.
666 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
667 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
669 2009-01-28 Jakub Jelinek <jakub@redhat.com>
672 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
673 set to varying whenever max has TREE_OVERFLOW set, similarly
674 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
676 2009-01-28 Richard Guenther <rguenther@suse.de>
679 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
680 uninitialized aggregate uses in call arguments.
682 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
684 PR tree-optimization/38984
685 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
686 the nothing_id variable if -fno-delete-null-pointer-checks.
688 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
691 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
692 (set_got_offset_rex64): Ditto.
694 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
697 * doc/extend.texi: Improve local variable with asm reg.
699 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
701 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
702 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
703 was not supplied then set warn_packed_bitfield_compat to the
705 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
708 2009-01-27 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/38503
711 * cfgexpand.c (expand_gimple_basic_block): Ignore
712 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
713 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
714 variables that cannot have TBAA applied.
715 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
718 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
721 * calls.c (initialize_argument_information): Do not wrap complex
722 arguments in SAVE_EXPR.
724 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
726 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
727 (INSTALL_LIBGCC): Revert typo commit.
729 2009-01-26 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/38745
732 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
733 from special handling.
735 2009-01-26 Richard Guenther <rguenther@suse.de>
737 PR tree-optimization/38745
738 * tree-ssa.c (execute_update_addresses_taken): Do not include
739 variables that cannot possibly be a register in not_reg_needs.
740 Do not clear TREE_ADDRESSABLE on vars that may not become
742 * tree-ssa.c (update_alias_info_1): Include those in the set
745 2009-01-26 Richard Guenther <rguenther@suse.de>
748 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
749 * tree-ssa-dse.c: Include langhooks.h
750 (execute_simple_dse): Remove stores with zero size.
752 2009-01-24 Jakub Jelinek <jakub@redhat.com>
755 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
758 2009-01-24 Julian Brown <julian@codesourcery.com>
760 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
761 config/arm/linux-atomic.c.
762 * config/arm/linux-atomic.c: New.
764 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
766 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
767 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
768 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
770 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
773 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
776 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
778 PR tree-optimization/38953
779 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
780 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
781 (gloog): Split the exit of the scop when the scop exit is a loop exit.
782 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
785 2009-01-24 Paul Brook <paul@codesourcery.com>
787 * config/arm/neon.md (neon_type): Move to arm.md.
788 (neon_mov<VSTRUCT>): Add neon_type attribute.
789 * config/arm/arm.md (neon_type): Move to here.
790 (conds): Add "unconditioal" and use as default for NEON insns.
792 2009-01-24 Ben Elliston <bje@au.ibm.com>
794 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
795 void *' warning from -Wc++-compat.
796 * Makefile.in (dominance.o-warn): Remove.
798 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
800 PR tree-optimization/38932
801 * fold-const.c (fold_unary_ignore_overflow): New.
802 * tree.h (fold_unary_ignore_overflow): Declare.
803 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
804 * tree-ssa-sccvn.c (visit_reference_op_load,
805 simplify_unary_expression): Likewise.
807 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
809 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
810 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
811 regardless of their type.
812 * c-common.c (handle_packed_attribute): Don't ignore packed on
814 * c.opt (Wpacked-bitfield-compat): New warning option.
815 * stor-layout.c (place_field): Warn if offset of a field changed.
816 * doc/extend.texi (packed): Mention the ABI change.
817 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
818 (Warning Options): Add it to the list.
820 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
822 * c-opts.c (c_common_post_options): Fix a typo in comments.
824 2009-01-22 Steve Ellcey <sje@cup.hp.com>
827 * gimplify.c (gimplify_init_constructor): Fix promotion of const
829 * doc/invoke.texi (-fmerge-all-constants): Update description.
831 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
834 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
835 (*movdi_1_rex64): Use type "mmx" for alternative 5.
837 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
839 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
841 (LOCAL_ALIGNMENT): Similarly.
843 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
844 Joseph Myers <joseph@codesourcery.com>
846 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
847 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
848 * config/arm/arm-tune.md: Regenerate.
849 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
852 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
854 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
855 version number to five.
857 2009-01-22 Dodji Seketeli <dodji@redhat.com>
860 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
861 * c-common.c (set_underlying_type): Likewise.
862 (is_typedef_decl ): Likewise
864 (set_underlying_type): Likewise.
865 (is_typedef_type): Likewise.
867 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
870 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
873 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
876 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
877 (LIBGCC_SPEC): Don't define.
878 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
880 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
882 PR rtl-optimization/38879
883 * alias.c (base_alias_check): Unaligned access via AND address can
884 alias all surrounding object types except those with sizes equal
885 or wider than the size of unaligned access.
887 2009-01-21 Dodji Seketeli <dodji@redhat.com>
890 * c-decl.c: (clone_underlying_type): Move this ...
891 * c-common.c (set_underlying_type): ... here.
892 Also, make sure the function properly sets TYPE_STUB_DECL() on
893 the newly created typedef variant type.
894 (is_typedef_decl ): New entry point.
895 * tree.h: Added a new member member_types_needing_access_check to
896 struct tree_decl_non_common.
897 (set_underlying_type): New entry point.
898 (is_typedef_type): Likewise.
900 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
902 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
903 Check whether two instructions have memory references that
904 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
905 are helper functions for traversing.
906 * alias.h (insn_alias_sets_confilict_p): New prototypes.
907 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
908 not to draw dependency edge for instructions with non-conflicting
911 2009-01-20 Joseph Myers <joseph@codesourcery.com>
914 * longlong.h: Update copyright years. Use soft-fp license
915 notice. Sync __clz_tab declaration with glibc.
917 2009-01-20 Steve Ellcey <sje@cup.hp.com>
920 * doc/extend.texi (syscall_linkage): New.
921 (version_id): Modify.
923 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
924 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/38747
927 PR tree-optimization/38748
928 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
929 conversion if the base address is an indirect reference and the
930 aliasing sets could cause issues.
932 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
934 * common.opt (fgraphite, fgraphite-identity): Add comment for
935 explaining why these options are not documented.
937 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
939 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
940 gimple_call_lhs is NULL.
942 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
945 * emit-rtl.c (adjust_address_1): Make sure memref is never
948 2009-01-20 Ben Elliston <bje@au.ibm.com>
950 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
951 const qualifier from arg parameter. Remove unnecessary cast to char *.
952 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
953 const qualifier from arg 2.
955 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
957 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
959 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
962 * rtl.h (reinit_regs): New prototype.
963 * regclass.c: Include ira.h.
965 * Makefile.in (regclass.o): Add ira.h.
966 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
968 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
971 * c-common.c (handle_aligned_attribute): Use
972 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
973 default alignment value.
975 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
977 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
978 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
980 * doc/extend.texi: Update __attribute__ ((aligned)). Document
981 __BIGGEST_ALIGNMENT__.
983 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
985 2009-01-18 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/38819
988 * tree-flow.h (operation_could_trap_helper_p): Declare.
989 * tree-eh.c (operation_could_trap_helper_p): Export.
990 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
991 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
992 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
993 are about to insert a possibly trapping instruction and fail
996 2009-01-18 Andreas Schwab <schwab@suse.de>
998 * doc/install.texi (Configuration): Remove obsolete paragraph
999 about use of --with-gnu-ld with --with-gnu-as.
1001 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1003 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1004 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1005 Follow spelling conventions.
1007 2009-01-18 Ben Elliston <bje@au.ibm.com>
1009 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1010 C++ warning about implicit conversion from void * to struct
1012 (bitmap_obstack_free): Likewise for bitmap_element *.
1013 * Makefile.in (bitmap.o-warn): Remove.
1015 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1017 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1019 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1020 Tobias Grosser <tobi.grosser@amd.com>
1022 * graphite.c (graphite_trans_scop_block): Do not block single
1025 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1027 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1028 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1029 test with assertion.
1031 2009-01-16 Richard Guenther <rguenther@suse.de>
1033 PR tree-optimization/38835
1035 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1036 and INT + PTR -> (INT)(PTR p+ INT) folding.
1037 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1039 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1042 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1043 the subreg from a lowpart subreg if it is also casting the value.
1045 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1046 Tobias Grosser <tobi.grosser@amd.com>
1048 * graphite.c (compare_prefix_loops): New.
1049 (build_scop_canonical_schedules): Rewritten.
1050 (graphite_transform_loops): Move build_scop_canonical_schedules
1051 after build_scop_iteration_domain.
1053 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1054 Tobias Grosser <tobi.grosser@amd.com>
1056 * graphite.c (add_conditions_to_domain): Add the loops to
1057 the dimension of the iteration domain. Do copy the domain
1058 only when it exists.
1059 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1060 (add_conditions_to_constraints): New.
1061 (can_generate_code_stmt, can_generate_code): Removed.
1062 (gloog): Do not call can_generate_code.
1063 (graphite_transform_loops): Call add_conditions_to_constraints
1064 after building the iteration domain.
1066 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1068 PR tree-optimization/38789
1069 * tree-ssa-threadedge.c
1070 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1071 __builtin_constant_p.
1073 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1075 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1076 examined before deleting them.
1078 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1080 * function.c (aggregate_value_p): Correctly extract the function
1081 type from CALL_EXPR_FN lookup.
1083 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1085 * config/picochip/picochip.c (picochip_override_options): Revert
1086 CFI asm flag disable commited previously.
1088 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1089 Tobias Grosser <tobi.grosser@amd.com>
1090 Jan Sjodin <jan.sjodin@amd.com>
1092 * graphite.c (scan_tree_for_params): On substractions negate
1093 all the coefficients of the term.
1094 (clast_to_gcc_expression_red): New. Handle reduction expressions
1095 of more than two operands.
1096 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1097 (get_vdef_before_scop): Handle also the case of default definitions.
1099 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1101 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1102 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1103 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1105 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1106 Joey Ye <joey.ye@intel.com>
1109 * cfgexpand.c (expand_stack_alignment): Don't update stack
1110 boundary nor check incoming stack boundary here.
1111 (gimple_expand_cfg): Update stack boundary and check incoming
1112 stack boundary here.
1114 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1116 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1118 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1120 PR rtl-optimization/38245
1121 * calls.c (expand_call): Add stack arguments to
1122 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1123 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1124 in regs and partially in memory or BLKmode arguments.
1125 (emit_library_call_value_1): Add stack arguments to
1126 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1127 ACCUMULATE_OUTGOING_ARGS).
1128 * dce.c: Include tm_p.h.
1129 (find_call_stack_args): New function.
1130 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1132 (mark_insn): Call find_call_stack_args for CALL_Ps.
1133 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1134 forwards. Allocate and free arg_stores bitmap if needed, pass it
1135 down to deletable_insn_p, don't mark stores set in arg_stores
1136 bitmap, clear the bitmap at the beginning of each bb.
1137 * Makefile.in (dce.o): Depend on $(TM_P_H).
1139 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1142 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1143 to make sure the insn is a conditional test (bug 22599). Reformat a
1146 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1149 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1150 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1151 (gloog): Do not call cleanup_tree_cfg.
1152 (graphite_transform_loops): Call cleanup_tree_cfg after all
1153 scops have been code generated.
1155 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1156 * doc/gty.texi (Invoking the garbage collector): Added new node
1157 and section documenting ggc_collect.
1159 2009-01-14 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/38826
1163 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1164 initialization notes only if we actually emitted a warning.
1165 (intra_create_variable_infos): Add constraints for a result decl
1166 that is passed by hidden reference.
1167 (build_pred_graph): Mark all related variables non-direct on
1170 2009-01-14 Nick Clifton <nickc@redhat.com>
1172 * ira-conflicts.c: Include addresses.h for the definition of
1174 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1175 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1177 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1180 * Makefile.in (ira-lives.o): Add except.h.
1182 * ira-lives.c: Include except.h.
1183 (process_bb_node_lives): Process can_throw_internal.
1185 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1187 PR rtl-optimization/38774
1188 * combine.c (simplify_set): When undoing cc_use change, don't do
1189 PUT_CODE on the newly created comparison, but instead put back the
1192 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1194 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1195 values. Remove duplicate arm8 entry.
1197 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1199 PR tree-optimization/38786
1200 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1201 the SSA_NAME case of expand_scalar_variables_expr.
1202 Set the type of an expression to the type of its assign statement.
1203 (expand_scalar_variables_expr): Also gather the scalar computation
1204 used to index the memory access. Do not pass loop_p.
1205 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1206 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1207 the gimple_stmt_iterator where it inserts new code.
1209 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1210 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1212 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1214 * graphite.h (debug_value): Removed.
1215 * graphite.c (debug_value): Removed.
1217 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1219 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1220 ldrd/strd with two 32-bit instructions.
1222 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1224 * config/arm/arm.c (struct processors): Pass for speed down into
1225 cost helper functions.
1226 (const_ok_for_op): Handle COMPARE and inequality nodes.
1227 (arm_rtx_costs_1): Rewrite.
1228 (arm_size_rtx_costs): Update prototype.
1229 (arm_rtx_costs): Pass speed down to helper functions.
1230 (arm_slowmul_rtx_costs): Rework cost calculations.
1231 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1232 (arm_9e_rtx_costs): Likewise.
1234 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1236 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1237 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1238 (alpha_legitimize_address): Do not split local symbols wider than
1239 UNITS_PER_WORD into HIGH/LO_SUM parts.
1241 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1244 * gcc.c (process_command): Replace call to execvp with calls
1245 to pex_one and exit.
1247 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1250 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1251 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1252 variant for devices with 3-byte PC.
1253 (__tablejump_elpm__) : New.
1255 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1258 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1259 offsetof member-designator, handle it as `[0].'.
1261 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1263 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1264 function when not using named sections on targets with named sections
1265 if branch distance is less than 262132.
1267 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1269 * combine.c (combine_instructions): Recompute
1270 optimize_this_for_speed_p for each BB in the main combine loop.
1272 2009-01-12 Tomas Bily <tbily@suse.cz>
1275 * tree-loop-distribution.c (prop_phis): New function.
1276 (generate_builtin): Call prop_phis.
1277 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1279 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1281 PR tree-optimization/38807
1282 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1283 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1285 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1287 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1288 subreg of op0 to the original op0.
1290 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1292 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1294 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1297 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1298 starting with digits.
1300 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1303 * config/arm/arm.c (arm_is_long_call_p): Don't call
1304 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1306 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1308 * regrename.c (regrename_optimize): Fix dumping.
1309 (find_oldest_value_reg): Preserve REG_POINTER.
1310 (copy_hardreg_forward_1): Likewise.
1312 2009-01-09 Diego Novillo <dnovillo@google.com>
1314 * gimple.h (struct gimple_statement_base) <uid>: Document
1315 the restrictions on its use.
1317 (gimple_set_uid): Tidy.
1319 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1321 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1322 zero guard even if align_bytes != 0 and count is smaller than
1325 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1327 PR rtl-optimization/38495
1328 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1329 (add_range_and_copies_from_move_list): Print all added ranges.
1330 Add ranges to memory optimized destination.
1332 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1336 * config/i386/i386.c (override_options): Reject
1337 -mstringop-strategy=rep_8byte with -m32.
1338 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1339 to 1. Do count comparison against epilogue_size_needed at compile
1340 time even when count_exp was constant forced into register. For
1341 size_needed don't jump to epilogue, instead just avoid aligning
1342 and invoke the body algorithm. If need_zero_guard, add zero guard
1343 even if count is non-zero, but smaller than size_needed + number of
1344 bytes that could be stored for alignment.
1345 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1346 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1347 but smaller than size_needed + number of bytes that could be stored
1348 for alignment. Compare size_needed with epilogue_size_needed instead
1349 of desired_align - align, don't adjust size_needed, pass
1350 epilogue_size_needed to the epilogue expanders.
1353 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1355 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1357 * pa.c (last_address): Change to unsigned.
1358 (update_total_code_bytes): Change argument to unsigned. Don't
1359 check if insn addresses are set.
1360 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1361 addresses are not set.
1362 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1364 2009-01-09 Nick Clifton <nickc@redhat.com>
1366 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1367 DECL_DECLARED_INLINE_P.
1369 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1372 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1373 GET_MODE (op0) in operand_subword_force calls.
1376 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1377 fold_convert arg0 operands to TREE_TYPE (op0) first.
1379 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1381 * params.def (ira-max-conflict-table-size): Decrease default value
1384 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1386 PR tree-optimization/37031
1387 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1389 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1390 allocate it using gc instead of heap, use VEC_quick_push instead of
1392 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1393 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1394 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1395 allocated vector from heap allocated.
1396 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1397 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1398 vector only after perfect_loop_nest_depth call.
1400 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1401 Jan Sjodin <jan.sjodin@amd.com>
1403 PR tree-optimization/38559
1404 * graphite.c (debug_value, copy_constraint,
1405 swap_constraint_variables, scale_constraint_variable, ): New.
1406 (get_lower_bound, get_upper_bound): Removed.
1407 (graphite_trans_bb_strip_mine): Clean up this code that works
1408 only for constant number of iterations. Fully copy upper and
1409 lower bound constraints, not only the constant part of them.
1410 * graphite.h (debug_value): Declared.
1412 2009-01-08 Ira Rosen <irar@il.ibm.com>
1414 PR tree-optimization/37194
1415 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1416 Don't add the cost of cost model guard in prologue to scalar
1417 outside cost in case of known number of iterations.
1419 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1420 Alan Modra <amodra@bigpond.net.au>
1422 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1423 non-word-aligned REG+CONST addressing.
1425 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1428 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1429 free_after_compilation when outputting a thunk.
1430 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1431 Do not call free_after_compilation here.
1433 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1435 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1436 (ix86_valid_target_attribute_inner_p): Ditto.
1438 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1440 PR tree-optimization/38492
1441 PR tree-optimization/38498
1442 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1443 * tree-chrec.h (scev_is_linear_expression): Declared.
1444 * graphite.c (graphite_cannot_represent_loop_niter): New.
1445 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1446 (graphite_loop_normal_form): Use gcc_assert.
1447 (scan_tree_for_params): Use CASE_CONVERT.
1448 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1449 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1450 Use gcc_assert. Discard scops that contain unhandled cases.
1451 (build_scop_conditions): Return a boolean status for unhandled cases.
1452 (strip_mine_profitable_p): Print the loop number, not its depth.
1453 (is_interchange_valid): Pass the depth of the loop nest, don't
1454 recompute it wrongly.
1455 (graphite_trans_bb_block): Same.
1456 (graphite_trans_bb_block): Print tentative of loop blocking.
1457 (graphite_trans_scop_block): Do not print that the loop has been
1459 (graphite_transform_loops): Do not handle scops that contain condition
1462 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1464 AVX Programming Reference (December, 2008)
1465 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1466 (_mm256_stream_pd): Likewise.
1467 (_mm256_stream_ps): Likewise.
1469 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1470 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1471 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1472 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1473 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1474 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1475 (ix86_expand_special_args_builtin): Likewise.
1477 * config/i386/sse.md (AVXMODEDI): New.
1478 (avx_movnt<mode>): Likewise.
1479 (avx_movnt<mode>): Likewise.
1480 (<sse>_movnt<mode>): Remove AVX support.
1481 (sse2_movntv2di): Likewise.
1483 2009-01-07 Richard Guenther <rguenther@suse.de>
1486 * fold-const.c (extract_muldiv): Remove obsolete comment.
1487 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1488 to PLUS_EXPR canonicalization for the canonicalization.
1490 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1492 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1493 hosted cross-compilers generating less efficient code.
1495 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1497 * function.h (rtl_data): Add a dbr_scheduled_p field.
1498 * reorg.c (dbr_schedule): Set it.
1499 (gate_handle_delay_slots): Check it.
1500 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1501 (mips_reorg): Check flag_delayed_branch instead of
1502 mips_base_delayed_branch.
1503 (mips_override_options): Don't set mips_base_delayed_branch
1504 or flag_delayed_branch.
1506 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1508 PR rtl-optimization/38426.
1509 * ira.c (ira): Set current_function_is_leaf earlier.
1511 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1513 PR rtl-optimization/38722
1514 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1515 too early, only set a flag and modify after last possible
1518 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1521 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1522 * real.c (decimal_single_format): Correct values of emin and emax.
1523 (decimal_double_format): Ditto.
1524 (decimal_quad_format): Ditto.
1525 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1526 computation of DECnn_MIN and DECnn_MAX for corrected values of
1527 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1528 __DECnn_MIN__, and adjust its computation for the corrected value
1531 2009-01-06 Jan Hubicka <jh@suse.cz>
1534 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1536 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1538 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1539 Add Robert Clark to the list of testers.
1541 2009-01-06 Jan Hubicka <jh@suse.cz>
1542 Kai Tietz <kai.tietz@onevision.com>
1544 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1545 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1547 2009-01-06 Jan Hubicka <jh@suse.cz>
1548 Kai Tietz <kai.tietz@onevision.com>
1550 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1552 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1553 (ix86_nsaved_regs): Count only general purpose regs.
1554 (ix86_nsaved_sseregs): New.
1555 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1556 to 16 for w64; compute padding and size of sse reg save area.
1557 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1558 general purpose regs.
1559 (ix86_emit_save_sse_regs_using_mov): New.
1560 (ix86_expand_prologue): Save SSE regs if needed.
1561 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1562 (ix86_emit_restore_sse_regs_using_mov): New.
1563 (ix86_expand_epilogue): Save SSE regs if needed.
1565 2009-01-06 Jan Hubicka <jh@suse.cz>
1566 Kai Tietz <kai.tietz@onevision.com>
1568 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1569 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1570 functions when accumulate outgoing args is off.
1572 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1575 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1576 before using pseudos_have_intersected_live_ranges_p.
1578 * ira-int.h (ira_assert): Always define.
1580 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1582 AVX Programming Reference (December, 2008)
1583 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1584 (_mm256_permute2_pd): Likewise.
1585 (_mm_permute2_ps): Likewise.
1586 (_mm256_permute2_ps): Likewise.
1587 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1588 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1590 * config/i386/i386.c (ix86_builtins): Remove
1591 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1592 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1593 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1594 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1595 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1596 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1597 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1598 __builtin_ia32_vpermil2ps256.
1599 (ix86_init_mmx_sse_builtins): Updated.
1600 (ix86_expand_args_builtin): Likewise.
1602 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1604 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1605 long absolute calls when generating PA 2.0 code.
1607 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1609 PR rtl-optimization/38583
1610 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1612 * params.def (ira-max-conflict-table-size): New.
1614 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1616 * ira.h (ira_conflicts_p): New external definition.
1618 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1619 table. Report this. Return result of building.
1620 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1621 building conflict table.
1623 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1624 (ira_color): Use ira_conflicts_p.
1626 * global.c: Include ira.h.
1627 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1630 * Makefile.in (global.o): Add ira.h.
1632 * ira-build.c (mark_all_loops_for_removal,
1633 propagate_some_info_from_allocno): New.
1634 (remove_unnecessary_allocnos): Call
1635 propagate_some_info_from_allocno.
1636 (remove_low_level_allocnos): New.
1637 (remove_unnecessary_regions): Add parameter. Call
1638 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1639 parameter to remove_unnecessary_regions.
1640 (ira_build): Remove all regions but root if the conflict table was
1641 not built. Update conflict hard regs for allocnos crossing calls.
1643 * ira.c (ira_conflicts_p): New global.
1644 (ira): Define and use ira_conflicts_p.
1646 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1647 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1648 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1650 2009-01-06 Ben Elliston <bje@au.ibm.com>
1652 * gengtype-lex.l (YY_NO_INPUT): Define.
1654 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1657 * c-common.c (handle_vector_size_attribute): Also reject
1660 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1662 PR tree-optimization/38492
1663 * graphite.c (rename_map_elt, debug_rename_elt,
1664 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1665 rename_map_elt_info, eq_rename_map_elts,
1666 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1667 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1668 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1669 (sese_build_livein_liveouts): New.
1670 (new_sese, free_sese): New.
1671 (new_scop): Call new_sese.
1672 (free_scop): Call free_sese.
1673 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1674 (register_old_new_names): Renamed register_old_and_new_names.
1675 (register_scop_liveout_renames, add_loop_exit_phis,
1676 insert_loop_close_phis, struct igp,
1677 default_liveout_before_guard, add_guard_exit_phis,
1678 insert_guard_phis, copy_renames): New.
1679 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1680 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1681 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1682 (scop_adjust_phis_for_liveouts): New.
1683 (gloog): Call scop_adjust_phis_for_liveouts.
1685 * graphite.h (struct sese): Documented. Added fields liveout,
1687 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1688 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1689 (struct scop): Added field liveout_renames.
1690 (SCOP_LIVEOUT_RENAMES): New.
1692 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1694 PR tree-optimization/38510
1695 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1696 (translate_clast): Call recompute_all_dominators before
1698 (gloog): Call recompute_all_dominators before graphite_verify.
1700 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1701 Jan Sjodin <jan.sjodin@amd.com>
1703 PR tree-optimization/38500
1704 * graphite.c (create_sese_edges): Call fix_loop_structure after
1707 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1709 * config.gcc: Add m32r*-*-rtems*.
1710 * config/m32r/rtems.h: New file.
1712 2009-01-05 Ben Elliston <bje@au.ibm.com>
1714 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1715 (.po.pox): Likewise.
1716 (po/gcc.pot): Likewise.
1718 2009-01-04 David S. Miller <davem@davemloft.net>
1720 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1721 (STARTING_FRAME_OFFSET): Always set to zero.
1723 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1725 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1726 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1727 fixed-point types, and vectors of the same.
1729 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1731 * config/mips/sync.md (*mb_barrier): Rename to...
1732 (*memory_barrier): ...this.
1734 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1736 * doc/extend.texi (Function Attributes): Move @cindex after @item
1737 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1738 and put in alphabetical order. Fix 'target' name and put in order.
1739 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1742 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1744 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1745 (memory_barrier): Expand as unspec instead of unspec_volatile.
1746 Remove mem:BLK from insn operands. Use Pmode scratch register.
1747 (*memory_barrier): Define as unspec instead of unspec_volatile.
1748 Use (match_dup 0) as input operand.
1750 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1751 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1752 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1753 scratch register. Remove operand 1.
1754 (*stbar): Define as unspec instead of unspec_volatile.
1755 Use (match_dup 0) as input operand, remove (const_int 8).
1756 (*membar): Define as unspec instead of unspec_volatile.
1757 Use (match_dup 0) as input operand, remove input operand 2.
1759 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1760 (memory_barrier): Expand as unspec instead of unspec_volatile.
1761 Remove mem:BLK from insn operands. Use Pmode scratch register.
1762 (*memory_barrier): Define as unspec instead of unspec_volatile.
1763 Use (match_dup 0) as input operand.
1765 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1766 Remove mem:BLK from insn operands. Use Pmode scratch register.
1767 Set volatile flag on operand 0.
1768 (*memory_barrier): New insn pattern.
1770 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1772 (*memory_barrier): Use (match_dup 0) as input operand.
1774 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1775 Remove mem:BLK from insn operands. Use Pmode scratch register.
1776 Set volatile flag on operand 0.
1777 (*mb_internal): New insn pattern.
1779 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1781 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1784 * function.c (struct temp_slot): Move to the section of the file
1785 that deals with temp slots. Remove field 'address'.
1786 (temp_slot_address_table): New hash table of address -> temp slot.
1787 (struct temp_slot_address_entry): New struct, items for the table.
1788 (temp_slot_address_compute_hash, temp_slot_address_hash,
1789 temp_slot_address_eq, insert_temp_slot_address): Support functions
1791 (find_temp_slot_from_address): Rewrite to use the new hash table.
1792 (remove_unused_temp_slot_addresses): Remove addresses of temp
1793 slots that have been made available.
1794 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1795 worker function for remove_unused_temp_slot_addresses.
1796 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1797 Add the temp slot address to the address -> temp slot map.
1798 (update_temp_slot_address): Update via insert_temp_slot_address.
1799 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1800 (pop_temp_slots): Likewise.
1801 (init_temp_slots): Allocate the address -> temp slot map, or empty
1802 the map if it is already allocated.
1803 (prepare_function_start): Initialize temp slot processing.
1805 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1808 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1809 Calculate the size of all stack vars assuming no packing of stack
1810 vars will happen, replacing a quadratic algorithm with a linear one.
1812 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1815 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1818 2009-01-03 Diego Novillo <dnovillo@google.com>
1820 * doc/contrib.texi: Update contributions.
1822 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1825 * builtins.c (fold_builtin_memory_op): Give up if either operand
1826 is volatile. Set srctype or desttype to non-qualified version
1830 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1833 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1835 PR rtl-optimization/35805
1836 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1837 problem if fast dce is able to remove any instructions.
1838 * dce.c (dce_process_block): Fix dump message.
1840 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1843 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1845 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1848 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1849 * tree-pretty-print.c (op_code_prio): New function.
1850 (op_prio): No longer static. Use op_code_prio.
1851 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1852 Use op_prio and op_code_prio to determine if () should be
1853 printed around operand(s) or not.
1855 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1856 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1857 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1858 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1859 pp_character instead of pp_string for single letter printing.
1861 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1863 * doc/extend.texi: Fix '#pragma GCC option' typo.
1865 2009-01-02 Richard Guenther <rguenther@suse.de>
1867 * doc/install.texi (--enable-checking): Mention different
1869 (--enable-stage1-checking): Document.
1871 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1874 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1875 case to be an error.
1877 2009-01-02 Ben Elliston <bje@au.ibm.com>
1879 * config/fp-bit.h (pack_d): Constify argument.
1880 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1881 (isnan): Constify argument.
1885 (_fpadd_parts): Constify return type.
1886 (_fpmul_parts): Likewise.
1887 (_fpdiv_parts): Likewise.
1889 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1892 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1893 warn about overwriting initializer with side-effects or
1894 -Woverride-init if !IMPLICIT.
1895 (output_init_element): Likewise. Pass IMPLICIT down to
1897 (process_init_element): Add IMPLICIT argument. Pass it down
1898 to output_init_element.
1899 (push_init_element, pop_init_level, set_designator): Adjust
1900 process_init_element callers.
1901 (set_nonincremental_init, set_nonincremental_init_from_string):
1902 Adjust add_pending_init callers.
1903 (output_pending_init_elements): Adjust output_init_element callers.
1904 * c-tree.h (process_init_element): Adjust prototype.
1905 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1906 process_init_element callers.