1 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4 by arithmetic with memory operands.
5 * config/i386/predicates.md (commutative_operator): New.
7 2009-02-10 Janis Johnson <janis187@us.ibm.com>
9 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
12 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
14 * alias.h (record_alias_subset): Declare.
15 * alias.c (record_alias_subset): Make global.
17 2009-02-10 Nick Clifton <nickc@redhat.com>
19 * tree-parloops.c: Change license to GPLv3.
20 * ipa-struct-reorg.c: Change license to GPLv3.
21 * ipa-struct-reorg.h: Change license to GPLv3.
23 2009-02-10 Steve Ellcey <sje@cup.hp.com>
26 * c-decl.c (start_struct): Return NULL on error.
28 2009-02-10 Jakub Jelinek <jakub@redhat.com>
31 * cfgloopmanip.c (remove_path): Call remove_bbs after
32 cancel_loop_tree, not before it.
35 * function.h (struct function): Add has_local_explicit_reg_vars
37 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
39 * tree-ssa-live.c (remove_unused_locals): Recompute
40 cfun->has_local_explicit_reg_vars.
41 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
42 copies or clearings if cfun->has_local_explicit_reg_vars.
44 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
47 * config/i386/i386.c (expand_prologue): Emit blockage at the end
48 of function prologue when frame pointer is used to access
51 2009-02-10 Richard Guenther <rguenther@suse.de>
54 * gimplify.c (gimple_regimplify_operands): Always look if
55 we need to create a temporary.
57 2009-02-10 Richard Guenther <rguenther@suse.de>
59 PR tree-optimization/39132
60 * tree-loop-distribution.c (todo): New global var.
61 (generate_memset_zero): Trigger TODO_rebuild_alias.
62 (tree_loop_distribution): Return todo.
64 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
67 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
68 (x86_64_reg_class_name): Removed.
69 (classify_argument): Return 0 if bytes > 32. Return 0 if the
70 first one isn't X86_64_SSE_CLASS or any other ones aren't
71 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
72 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
73 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
74 and 3 X86_64_SSEUP_CLASS.
75 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
76 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
78 2009-02-10 Ben Elliston <bje@au.ibm.com>
80 * config/rs6000/rs6000.md (allocate_stack): Always use an update
81 form instruction to update the stack back chain word, even if the
82 user has disabled the generation of update instructions.
83 (movdi_<mode>_update_stack): New.
84 (movsi_update_stack): Likewise.
85 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
86 always use an update form instruction to update the stack back
89 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
92 * graphite.c (if_region_set_false_region): After moving a region
93 in the false branch of a condition, remove the empty dummy basic block.
94 (gloog): Remove wrong fix for PR38953.
96 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
98 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
99 generation due to implicit sign extension.
101 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
104 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
105 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
107 2009-02-09 Richard Guenther <rguenther@suse.de>
110 * convert.c (convert_to_real): Disable (float)fn((double)x)
111 to fnf(x) conversion if errno differences may occur and
114 2009-02-07 Anatoly Sokolov <aesok@post.ru>
116 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
117 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
118 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
120 2009-02-06 Joseph Myers <joseph@codesourcery.com>
123 * c-common.c (handle_alias_attribute): Disallow attribute for
124 anything not a FUNCTION_DECL or VAR_DECL.
126 2009-02-06 Janis Johnson <janis187@us.ibm.com>
129 * real.c (do_compare): Special-case compare of zero against
132 2009-02-06 Joseph Myers <joseph@codesourcery.com>
135 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
136 as indicating flexible array members unless the field itself is
137 being declarared as the incomplete array.
139 2009-02-06 Jan Hubicka <jh@suse.cz>
141 PR tree-optimization/38844
142 * ipa-inline.c (try_inline): Stop inlining recursion when edge
145 2009-02-06 Richard Guenther <rguenther@suse.de>
148 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
149 fork because we may expand it as __gcov_fork.
151 2009-02-06 Nick Clifton <nickc@redhat.com>
153 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
155 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
157 PR tree-optimization/35659
158 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
159 vn_phi_eq): Shortcut if hashcode does not match.
160 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
162 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
163 and avoid iterative_hash_expr.
164 (FOR_EACH_VALUE_ID_IN_SET): New.
165 (value_id_compare): Remove.
166 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
167 sort expressions by value id.
169 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
172 * config/sh/predicates.md (general_movsrc_operand): Don't check
173 the subreg of system registers here.
175 2009-02-05 Jakub Jelinek <jakub@redhat.com>
178 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
181 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
183 PR rtl-optimization/39110
184 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
185 addresses, not aligned ones.
187 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
188 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/39100
191 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
192 comment says and add edges.
194 2009-02-05 Joseph Myers <joseph@codesourcery.com>
197 * c-common.c (handle_tls_model_attribute): Ignore attribute for
198 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
200 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
202 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
203 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
204 register_bb_in_sese, new_sese, free_sese): Moved.
205 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
206 outermost_loop_in_scop, build_scop_iteration_domain,
207 expand_scalar_variables_ssa_name, get_vdef_before_scop,
208 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
209 Use loop_in_sese_p instead of loop_in_scop_p.
210 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
211 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
212 (scopdet_basic_block_info): Fix bug in scop detection.
213 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
214 eq_loop_to_cloog_loop): Remove.
215 (nb_loops_around_loop_in_scop, nb_loop
216 ref_nb_loops): Moved here...
217 * graphite.h (ref_nb_loops): ... from here.
218 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
219 (loop_domain_dim, loop_iteration_vector_dim): Remove.
220 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
221 * testsuite/gcc.dg/graphite/scop-19.c: New
223 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
224 Hans-Peter Nilsson <hp@axis.com>
226 PR rtl-optimization/37889
227 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
228 Move offset handling from PLUS to before the switch. Use new
229 arguments when considering SYMBOL_REFs too.
230 (rtx_addr_can_trap_p): Pass dummy offset and size.
231 (enum may_trap_p_flags): Remove.
232 (may_trap_p_1): Pass size from MEM_SIZE.
234 PR rtl-optimization/38921
235 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
236 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
237 * rtlanal.c (may_trap_after_code_motion_p): Delete.
238 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
240 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
242 AVX Programming Reference (January, 2009)
243 * config/i386/sse.md (*vpclmulqdq): New.
245 2009-02-04 Jakub Jelinek <jakub@redhat.com>
247 PR tree-optimization/38977
248 PR gcov-profile/38292
249 * calls.c (special_function_p): Disregard __builtin_ prefix.
251 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
253 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
254 non-indexable addresses even before reload.
256 2009-02-03 Joseph Myers <joseph@codesourcery.com>
259 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
260 as having variable size. Do not give an error for unnamed
261 parameters with [*] declarators. Give a warning for type names
262 with [*] declarators and mark them as variable size.
263 * c-parser.c (c_parser_sizeof_expression): Do not give an error
264 for sizeof applied to [*] type names.
266 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
269 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
271 2009-02-03 Jakub Jelinek <jakub@redhat.com>
273 * gcc.c (process_command): Update copyright notice dates.
274 * gcov.c (print_version): Likewise.
275 * gcov-dump.c (print_version): Likewise.
276 * mips-tfile.c (main): Likewise.
277 * mips-tdump.c (main): Likewise.
279 2009-02-03 Joseph Myers <joseph@codesourcery.com>
282 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
283 for composite type involving a zero-length array type.
285 2009-02-03 Jakub Jelinek <jakub@redhat.com>
288 * function.c (match_asm_constraints_1): Skip over
289 initial optional % in the constraint.
292 * c-parser.c (c_parser_postfix_expression): If fixed point is not
293 supported, don't accept FIXED_CSTs.
294 * c-decl.c (finish_declspecs): Error if fixed point is not supported
295 and _Sat is used without _Fract/_Accum. Set specs->type to
296 integer_type_node for cts_fract/cts_accum if fixed point is not
299 2009-02-02 Catherine Moore <clm@codesourcery.com>
301 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
303 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
305 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
306 (ABI_HAS_64BIT_SYMBOLS): Use it.
307 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
309 2009-02-02 Paul Brook <paul@codesourcery.com>
311 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
313 2009-02-02 Jakub Jelinek <jakub@redhat.com>
316 * recog.h (asm_operand_ok): Add constraints argument.
317 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
318 recurse on matching constraint.
319 (check_asm_operands): Pass constraints as 3rd argument to
320 asm_operand_ok. Don't look up matching constraint here.
321 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
324 2009-02-02 Ben Elliston <bje@au.ibm.com>
326 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
327 TARGET_NARROW_VOLATILE_BITFIELD macro names.
329 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
331 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
332 information. Remove some obsolete information. Reorganize.
334 * config/pa/fptr.c: Revert license to GPL 2.
335 * config/pa/milli64.S: Likewise.
337 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
340 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
341 LIBRARY name in, instead of hard-coding it.
342 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
343 extra target make frag to tmake_files according to EH model.
344 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
345 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
346 frags that define makefile variable EH_MODEL appropriately.
347 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
348 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
349 to "-sjlj" according to type of EH configured.
350 (LIBGCC_SONAME): Concatenate it to shared library base name.
351 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
352 to "_sjlj" according to type of EH configured.
353 (LIBGCC_SONAME): Concatenate it to shared library base name.
354 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
355 (SHLIB_LINK): Add missing semicolon to if-else construct.
356 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
357 string value of "pe_dll" command-line option.
358 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
359 (SHLIB_SONAME): Use it when overriding t-cygming default.
360 (SHLIB_IMPLIB): Override t-cygming default.
361 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
362 string value of "pe_dll" command-line option.
364 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
367 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
368 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
370 2009-01-31 Richard Guenther <rguenther@suse.de>
372 PR tree-optimization/38937
373 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
374 computing the transitive closure.
376 2009-01-30 Richard Guenther <rguenther@suse.de>
378 PR tree-optimization/39041
379 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
380 Propagate variable indices only if the types match for this stmt.
382 2009-01-30 Jakub Jelinek <jakub@redhat.com>
385 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
386 inline but never defined.
388 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
390 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
391 (*insv_h_di_reg_extimm): New insn.
392 (*insv_l<mode>_reg_extimm): New insn.
394 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
396 * config/picochip/picochip.c (flag_conserve_stack): set
397 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
398 fconserve-stack. Reduce call-overhead used by inliner.
400 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
403 * common.opt (flag_conserve_stack): Initialised to zero.
405 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
408 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
409 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
412 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
414 * ira-color.c (allocno_reload_assign): Update comments.
415 * regmove.c (regmove_optimize): Likewise.
419 2009-01-29 Robert Millan <rmh@aybabtu.com>
421 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
422 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
424 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
426 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
428 PR tree-optimization/39007
429 * tree-loop-distribution.c (generate_builtin): Use
430 recompute_dominator to compute the immediate dominator of the
431 basic block just after the loop.
433 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
435 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
436 (ASM_OUTPUT_DWARF_PCREL): Define.
438 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
440 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
441 * doc/passes.texi: Remove entries about regclass, local-alloc, and
442 global. Modify entries about regmove and IRA.
444 * ra-conflict.c: Remove the file.
446 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
448 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
449 (pass_regclass_init): Rename to pass_reginfo_init.
451 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
453 * toplev.h (flag_ira): Remove.
455 * caller-save.c (setup_save_areas): Remove flag_ira.
457 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
459 * global.c: Remove the file.
461 * opts.c: (decode_options): Remove flag_ira.
463 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
465 * regmove.c: Modify file description.
466 (find_use_as_address, try_auto_increment): Define them only if
467 AUTO_INC_DEC is defined.
468 (replacement_quality, replace_in_call_usage, fixup_match_1,
469 stable_and_no_regs_but_for_p): Remove.
470 (reg_set_in_bb): Make it static.
471 (regmove_optimize): Remove flag_ira and code which worked for
474 * local-alloc.c: Remove the file.
476 * common.opt (fira): Remove.
478 * ira.c: Include except.h.
479 (eliminable_regset): Move from global.c.
480 (mark_elimination): Ditto. Remove flag_ira.
481 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
482 equiv_mem_modified, validate_equiv_mem_from_store,
483 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
484 contains_replace_regs, memref_referenced_p, memref_used_between_p,
485 no_equiv, recorded_label_ref): Move from local-alloc.c.
486 (update_equiv_regs): Ditto. Make it static.
487 (print_insn_chain, print_insn_chains): Move it from global.c.
488 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
489 (build_insn_chain): Ditto. Make it static.
490 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
491 Rename to init_live_subregs.
492 (gate_ira): Remove flag_ira.
494 * regclass.c: Rename reginfo.c. Change file description.
495 (FORBIDDEN_INC_DEC_CLASSES): Remove.
496 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
497 (init_reg_sets_1): Remove code for evaluation of
498 reg_class_superclasses and losing_caller_save_reg_set.
499 (init_regs): Remove init_reg_autoinc.
500 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
501 ok_for_base_p_nonstrict): Remove.
502 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
503 (pass_regclass_init): Rename to pass_reginfo_init. Modify
504 corresponding entries.
505 (dump_regclass, record_operand_costs, scan_one_insn,
506 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
507 record_address_regs, auto_inc_dec_reg_p): Remove.
508 (gt-regclass.h): Rename to gt-reginfo.h.
510 * rtl.h (dump_global_regs, retry_global_alloc,
511 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
513 * Makefile.in (RA_H): Remove.
514 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
515 Rename regclass.o to reginfo.o.
516 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
518 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
519 (GTFILES): Rename regclass.c to reginfo.c.
521 * passes.c (init_optimization_passes): Remove pass_local_alloc and
522 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
524 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
525 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
527 (finish_spills): Ditto. Remove code for !flga_ira.
529 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
532 * doc/invoke.texi (rtl debug options): Complete rewrite.
533 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
535 * mode-switching.c (pass_mode_switching): Rename pass from
536 "mode-sw" to "mode_sw".
537 * except.c (pass_convert_to_eh_ranges): Rename pass from
538 "eh-ranges" to "eh_ranges".
539 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
543 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
544 Alexander Monakov <amonakov@ispras.ru>
547 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
549 (move_exprs_to_boundary): Change return type and pass through
550 should_move from move_op. Relax assert. Update usage ...
551 (schedule_expr_on_boundary): ... here. Use should_move instead of
553 (move_op_orig_expr_found): Indicate that insn was disconnected from
555 (code_motion_process_successors): Do not call after_merge_succs
556 callback if original expression was not found when traversing any of
558 (code_motion_path_driver): Change return type. Update prototype.
559 (move_op): Update comment. Add a new parameter (should_move). Update
560 prototype. Set *should_move based on indication provided by
561 move_op_orig_expr_found.
563 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
565 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
566 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
567 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
568 * config/rs6000/rs6000.c (rs6000_override_options): Default
569 avoid-indexed-addresses on for Power6, off for everything else.
570 (avoiding_indexed_address_p): New function.
571 (rs6000_legitimize_address): Use it.
572 (rs6000_legitimate_address): Likewise.
573 * config/rs6000/rs6000.md (movXX_updateX): Likewise
575 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
577 PR tree-optimization/38997
578 * tree-loop-distribution.c (generate_memset_zero): Use
579 POINTER_PLUS_EXPR for a pointer addition.
581 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
583 * config/s390/s390.md (bswap<mode>2): New pattern added.
585 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
587 * config/s390/s390.md (*tls_load_31): Added type attribute.
589 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
591 * config/s390/s390.md: Fix a few comments.
593 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
595 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
596 (*tm<mode>_full): Fixed z10prop attribute.
597 (*tst<mode>_extimm): Fixed z10prop attribute.
598 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
599 (*tstqiCCT_cconly): Fixed z10prop attribute.
600 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
601 (*movsi_larl): Fixed z10prop attribute.
602 (*movsi_zarch): Fixed z10prop attribute.
603 (*movsi_eas): Fixed z10prop attribute.
604 (*movhi): Fixed z10prop attribute.
605 (*movqi): Fixed z10prop attribute.
606 (*movstrictqi): Fixed z10prop attribute.
607 (*mov<mode>): Fixed z10prop attribute.
608 (*movcc): Fixed z10prop attribute.
609 (*sethighpartdi_64): Fixed z10prop attribute.
610 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
611 (*negdi2_sign_cc): Fixed z10prop attribute.
612 (*negdi2_sign): Fixed z10prop attribute.
613 (*absdi2_sign_cc): Fixed z10prop attribute.
614 (*absdi2_sign): Fixed z10prop attribute.
615 (*negabsdi2_sign_cc): Fixed z10prop attribute.
616 (*negabsdi2_sign): Fixed z10prop attribute.
617 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
618 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
619 (doloop_si64): Fixed z10prop attribute.
620 (doloop_si31): Fixed z10prop attribute.
621 (doloop_long): Fixed z10prop attribute.
622 (indirect_jump): Fixed z10prop attribute.
623 (nop): Fixed z10prop attribute.
624 (main_base_64): Fixed z10prop attribute.
625 (reload_base_64): Fixed z10prop attribute.
627 2009-01-28 Jakub Jelinek <jakub@redhat.com>
629 PR rtl-optimization/38740
630 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize.
631 * config/mips/mips.c (mips_reorg): Likewise.
633 2009-01-28 Richard Guenther <rguenther@suse.de>
635 PR tree-optimization/38926
636 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
637 with the correct value id to a value.
638 (do_regular_insertion): Use the value number of edoubleprime
639 for the value number of the expr.
642 2008-08-21 Richard Guenther <rguenther@suse.de>
644 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
645 a PHI ask VN if it is already available.
646 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
647 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
649 2009-01-28 Jakub Jelinek <jakub@redhat.com>
652 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
653 set to varying whenever max has TREE_OVERFLOW set, similarly
654 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
656 2009-01-28 Richard Guenther <rguenther@suse.de>
659 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
660 uninitialized aggregate uses in call arguments.
662 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
664 PR tree-optimization/38984
665 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
666 the nothing_id variable if -fno-delete-null-pointer-checks.
668 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
671 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
672 (set_got_offset_rex64): Ditto.
674 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
677 * doc/extend.texi: Improve local variable with asm reg.
679 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
681 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
682 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
683 was not supplied then set warn_packed_bitfield_compat to the
685 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
688 2009-01-27 Richard Guenther <rguenther@suse.de>
690 PR tree-optimization/38503
691 * cfgexpand.c (expand_gimple_basic_block): Ignore
692 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
693 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
694 variables that cannot have TBAA applied.
695 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
698 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
701 * calls.c (initialize_argument_information): Do not wrap complex
702 arguments in SAVE_EXPR.
704 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
706 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
707 (INSTALL_LIBGCC): Revert typo commit.
709 2009-01-26 Richard Guenther <rguenther@suse.de>
711 PR tree-optimization/38745
712 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
713 from special handling.
715 2009-01-26 Richard Guenther <rguenther@suse.de>
717 PR tree-optimization/38745
718 * tree-ssa.c (execute_update_addresses_taken): Do not include
719 variables that cannot possibly be a register in not_reg_needs.
720 Do not clear TREE_ADDRESSABLE on vars that may not become
722 * tree-ssa.c (update_alias_info_1): Include those in the set
725 2009-01-26 Richard Guenther <rguenther@suse.de>
728 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
729 * tree-ssa-dse.c: Include langhooks.h
730 (execute_simple_dse): Remove stores with zero size.
732 2009-01-24 Jakub Jelinek <jakub@redhat.com>
735 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
738 2009-01-24 Julian Brown <julian@codesourcery.com>
740 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
741 config/arm/linux-atomic.c.
742 * config/arm/linux-atomic.c: New.
744 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
746 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
747 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
748 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
750 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
753 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
756 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
758 PR tree-optimization/38953
759 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
760 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
761 (gloog): Split the exit of the scop when the scop exit is a loop exit.
762 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
765 2009-01-24 Paul Brook <paul@codesourcery.com>
767 * config/arm/neon.md (neon_type): Move to arm.md.
768 (neon_mov<VSTRUCT>): Add neon_type attribute.
769 * config/arm/arm.md (neon_type): Move to here.
770 (conds): Add "unconditioal" and use as default for NEON insns.
772 2009-01-24 Ben Elliston <bje@au.ibm.com>
774 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
775 void *' warning from -Wc++-compat.
776 * Makefile.in (dominance.o-warn): Remove.
778 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
780 PR tree-optimization/38932
781 * fold-const.c (fold_unary_ignore_overflow): New.
782 * tree.h (fold_unary_ignore_overflow): Declare.
783 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
784 * tree-ssa-sccvn.c (visit_reference_op_load,
785 simplify_unary_expression): Likewise.
787 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
789 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
790 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
791 regardless of their type.
792 * c-common.c (handle_packed_attribute): Don't ignore packed on
794 * c.opt (Wpacked-bitfield-compat): New warning option.
795 * stor-layout.c (place_field): Warn if offset of a field changed.
796 * doc/extend.texi (packed): Mention the ABI change.
797 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
798 (Warning Options): Add it to the list.
800 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
802 * c-opts.c (c_common_post_options): Fix a typo in comments.
804 2009-01-22 Steve Ellcey <sje@cup.hp.com>
807 * gimplify.c (gimplify_init_constructor): Fix promotion of const
809 * doc/invoke.texi (-fmerge-all-constants): Update description.
811 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
814 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
815 (*movdi_1_rex64): Use type "mmx" for alternative 5.
817 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
819 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
821 (LOCAL_ALIGNMENT): Similarly.
823 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
824 Joseph Myers <joseph@codesourcery.com>
826 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
827 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
828 * config/arm/arm-tune.md: Regenerate.
829 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
832 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
834 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
835 version number to five.
837 2009-01-22 Dodji Seketeli <dodji@redhat.com>
840 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
841 * c-common.c (set_underlying_type): Likewise.
842 (is_typedef_decl ): Likewise
844 (set_underlying_type): Likewise.
845 (is_typedef_type): Likewise.
847 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
850 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
853 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
856 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
857 (LIBGCC_SPEC): Don't define.
858 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
860 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
862 PR rtl-optimization/38879
863 * alias.c (base_alias_check): Unaligned access via AND address can
864 alias all surrounding object types except those with sizes equal
865 or wider than the size of unaligned access.
867 2009-01-21 Dodji Seketeli <dodji@redhat.com>
870 * c-decl.c: (clone_underlying_type): Move this ...
871 * c-common.c (set_underlying_type): ... here.
872 Also, make sure the function properly sets TYPE_STUB_DECL() on
873 the newly created typedef variant type.
874 (is_typedef_decl ): New entry point.
875 * tree.h: Added a new member member_types_needing_access_check to
876 struct tree_decl_non_common.
877 (set_underlying_type): New entry point.
878 (is_typedef_type): Likewise.
880 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
882 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
883 Check whether two instructions have memory references that
884 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
885 are helper functions for traversing.
886 * alias.h (insn_alias_sets_confilict_p): New prototypes.
887 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
888 not to draw dependency edge for instructions with non-conflicting
891 2009-01-20 Joseph Myers <joseph@codesourcery.com>
894 * longlong.h: Update copyright years. Use soft-fp license
895 notice. Sync __clz_tab declaration with glibc.
897 2009-01-20 Steve Ellcey <sje@cup.hp.com>
900 * doc/extend.texi (syscall_linkage): New.
901 (version_id): Modify.
903 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
904 Richard Guenther <rguenther@suse.de>
906 PR tree-optimization/38747
907 PR tree-optimization/38748
908 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
909 conversion if the base address is an indirect reference and the
910 aliasing sets could cause issues.
912 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
914 * common.opt (fgraphite, fgraphite-identity): Add comment for
915 explaining why these options are not documented.
917 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
919 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
920 gimple_call_lhs is NULL.
922 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
925 * emit-rtl.c (adjust_address_1): Make sure memref is never
928 2009-01-20 Ben Elliston <bje@au.ibm.com>
930 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
931 const qualifier from arg parameter. Remove unnecessary cast to char *.
932 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
933 const qualifier from arg 2.
935 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
937 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
939 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
942 * rtl.h (reinit_regs): New prototype.
943 * regclass.c: Include ira.h.
945 * Makefile.in (regclass.o): Add ira.h.
946 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
948 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
951 * c-common.c (handle_aligned_attribute): Use
952 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
953 default alignment value.
955 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
957 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
958 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
960 * doc/extend.texi: Update __attribute__ ((aligned)). Document
961 __BIGGEST_ALIGNMENT__.
963 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
965 2009-01-18 Richard Guenther <rguenther@suse.de>
967 PR tree-optimization/38819
968 * tree-flow.h (operation_could_trap_helper_p): Declare.
969 * tree-eh.c (operation_could_trap_helper_p): Export.
970 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
971 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
972 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
973 are about to insert a possibly trapping instruction and fail
976 2009-01-18 Andreas Schwab <schwab@suse.de>
978 * doc/install.texi (Configuration): Remove obsolete paragraph
979 about use of --with-gnu-ld with --with-gnu-as.
981 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
983 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
984 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
985 Follow spelling conventions.
987 2009-01-18 Ben Elliston <bje@au.ibm.com>
989 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
990 C++ warning about implicit conversion from void * to struct
992 (bitmap_obstack_free): Likewise for bitmap_element *.
993 * Makefile.in (bitmap.o-warn): Remove.
995 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
997 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
999 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1000 Tobias Grosser <tobi.grosser@amd.com>
1002 * graphite.c (graphite_trans_scop_block): Do not block single
1005 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1007 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1008 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1009 test with assertion.
1011 2009-01-16 Richard Guenther <rguenther@suse.de>
1013 PR tree-optimization/38835
1015 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1016 and INT + PTR -> (INT)(PTR p+ INT) folding.
1017 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1019 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1022 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1023 the subreg from a lowpart subreg if it is also casting the value.
1025 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1026 Tobias Grosser <tobi.grosser@amd.com>
1028 * graphite.c (compare_prefix_loops): New.
1029 (build_scop_canonical_schedules): Rewritten.
1030 (graphite_transform_loops): Move build_scop_canonical_schedules
1031 after build_scop_iteration_domain.
1033 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1034 Tobias Grosser <tobi.grosser@amd.com>
1036 * graphite.c (add_conditions_to_domain): Add the loops to
1037 the dimension of the iteration domain. Do copy the domain
1038 only when it exists.
1039 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1040 (add_conditions_to_constraints): New.
1041 (can_generate_code_stmt, can_generate_code): Removed.
1042 (gloog): Do not call can_generate_code.
1043 (graphite_transform_loops): Call add_conditions_to_constraints
1044 after building the iteration domain.
1046 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1048 PR tree-optimization/38789
1049 * tree-ssa-threadedge.c
1050 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1051 __builtin_constant_p.
1053 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1055 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1056 examined before deleting them.
1058 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1060 * function.c (aggregate_value_p): Correctly extract the function
1061 type from CALL_EXPR_FN lookup.
1063 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1065 * config/picochip/picochip.c (picochip_override_options): Revert
1066 CFI asm flag disable commited previously.
1068 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1069 Tobias Grosser <tobi.grosser@amd.com>
1070 Jan Sjodin <jan.sjodin@amd.com>
1072 * graphite.c (scan_tree_for_params): On substractions negate
1073 all the coefficients of the term.
1074 (clast_to_gcc_expression_red): New. Handle reduction expressions
1075 of more than two operands.
1076 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1077 (get_vdef_before_scop): Handle also the case of default definitions.
1079 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1081 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1082 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1083 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1085 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1086 Joey Ye <joey.ye@intel.com>
1089 * cfgexpand.c (expand_stack_alignment): Don't update stack
1090 boundary nor check incoming stack boundary here.
1091 (gimple_expand_cfg): Update stack boundary and check incoming
1092 stack boundary here.
1094 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1096 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1098 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1100 PR rtl-optimization/38245
1101 * calls.c (expand_call): Add stack arguments to
1102 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1103 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1104 in regs and partially in memory or BLKmode arguments.
1105 (emit_library_call_value_1): Add stack arguments to
1106 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1107 ACCUMULATE_OUTGOING_ARGS).
1108 * dce.c: Include tm_p.h.
1109 (find_call_stack_args): New function.
1110 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1112 (mark_insn): Call find_call_stack_args for CALL_Ps.
1113 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1114 forwards. Allocate and free arg_stores bitmap if needed, pass it
1115 down to deletable_insn_p, don't mark stores set in arg_stores
1116 bitmap, clear the bitmap at the beginning of each bb.
1117 * Makefile.in (dce.o): Depend on $(TM_P_H).
1119 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1122 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1123 to make sure the insn is a conditional test (bug 22599). Reformat a
1126 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1129 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1130 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1131 (gloog): Do not call cleanup_tree_cfg.
1132 (graphite_transform_loops): Call cleanup_tree_cfg after all
1133 scops have been code generated.
1135 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1136 * doc/gty.texi (Invoking the garbage collector): Added new node
1137 and section documenting ggc_collect.
1139 2009-01-14 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/38826
1143 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1144 initialization notes only if we actually emitted a warning.
1145 (intra_create_variable_infos): Add constraints for a result decl
1146 that is passed by hidden reference.
1147 (build_pred_graph): Mark all related variables non-direct on
1150 2009-01-14 Nick Clifton <nickc@redhat.com>
1152 * ira-conflicts.c: Include addresses.h for the definition of
1154 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1155 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1157 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1160 * Makefile.in (ira-lives.o): Add except.h.
1162 * ira-lives.c: Include except.h.
1163 (process_bb_node_lives): Process can_throw_internal.
1165 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1167 PR rtl-optimization/38774
1168 * combine.c (simplify_set): When undoing cc_use change, don't do
1169 PUT_CODE on the newly created comparison, but instead put back the
1172 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1174 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1175 values. Remove duplicate arm8 entry.
1177 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1179 PR tree-optimization/38786
1180 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1181 the SSA_NAME case of expand_scalar_variables_expr.
1182 Set the type of an expression to the type of its assign statement.
1183 (expand_scalar_variables_expr): Also gather the scalar computation
1184 used to index the memory access. Do not pass loop_p.
1185 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1186 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1187 the gimple_stmt_iterator where it inserts new code.
1189 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1190 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1192 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1194 * graphite.h (debug_value): Removed.
1195 * graphite.c (debug_value): Removed.
1197 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1199 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1200 ldrd/strd with two 32-bit instructions.
1202 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1204 * config/arm/arm.c (struct processors): Pass for speed down into
1205 cost helper functions.
1206 (const_ok_for_op): Handle COMPARE and inequality nodes.
1207 (arm_rtx_costs_1): Rewrite.
1208 (arm_size_rtx_costs): Update prototype.
1209 (arm_rtx_costs): Pass speed down to helper functions.
1210 (arm_slowmul_rtx_costs): Rework cost calculations.
1211 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1212 (arm_9e_rtx_costs): Likewise.
1214 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1216 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1217 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1218 (alpha_legitimize_address): Do not split local symbols wider than
1219 UNITS_PER_WORD into HIGH/LO_SUM parts.
1221 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1224 * gcc.c (process_command): Replace call to execvp with calls
1225 to pex_one and exit.
1227 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1230 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1231 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1232 variant for devices with 3-byte PC.
1233 (__tablejump_elpm__) : New.
1235 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1238 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1239 offsetof member-designator, handle it as `[0].'.
1241 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1243 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1244 function when not using named sections on targets with named sections
1245 if branch distance is less than 262132.
1247 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1249 * combine.c (combine_instructions): Recompute
1250 optimize_this_for_speed_p for each BB in the main combine loop.
1252 2009-01-12 Tomas Bily <tbily@suse.cz>
1255 * tree-loop-distribution.c (prop_phis): New function.
1256 (generate_builtin): Call prop_phis.
1257 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1259 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1261 PR tree-optimization/38807
1262 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1263 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1265 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1267 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1268 subreg of op0 to the original op0.
1270 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1272 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1274 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1277 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1278 starting with digits.
1280 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1283 * config/arm/arm.c (arm_is_long_call_p): Don't call
1284 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1286 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1288 * regrename.c (regrename_optimize): Fix dumping.
1289 (find_oldest_value_reg): Preserve REG_POINTER.
1290 (copy_hardreg_forward_1): Likewise.
1292 2009-01-09 Diego Novillo <dnovillo@google.com>
1294 * gimple.h (struct gimple_statement_base) <uid>: Document
1295 the restrictions on its use.
1297 (gimple_set_uid): Tidy.
1299 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1301 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1302 zero guard even if align_bytes != 0 and count is smaller than
1305 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1307 PR rtl-optimization/38495
1308 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1309 (add_range_and_copies_from_move_list): Print all added ranges.
1310 Add ranges to memory optimized destination.
1312 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1316 * config/i386/i386.c (override_options): Reject
1317 -mstringop-strategy=rep_8byte with -m32.
1318 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1319 to 1. Do count comparison against epilogue_size_needed at compile
1320 time even when count_exp was constant forced into register. For
1321 size_needed don't jump to epilogue, instead just avoid aligning
1322 and invoke the body algorithm. If need_zero_guard, add zero guard
1323 even if count is non-zero, but smaller than size_needed + number of
1324 bytes that could be stored for alignment.
1325 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1326 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1327 but smaller than size_needed + number of bytes that could be stored
1328 for alignment. Compare size_needed with epilogue_size_needed instead
1329 of desired_align - align, don't adjust size_needed, pass
1330 epilogue_size_needed to the epilogue expanders.
1333 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1335 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1337 * pa.c (last_address): Change to unsigned.
1338 (update_total_code_bytes): Change argument to unsigned. Don't
1339 check if insn addresses are set.
1340 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1341 addresses are not set.
1342 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1344 2009-01-09 Nick Clifton <nickc@redhat.com>
1346 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1347 DECL_DECLARED_INLINE_P.
1349 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1352 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1353 GET_MODE (op0) in operand_subword_force calls.
1356 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1357 fold_convert arg0 operands to TREE_TYPE (op0) first.
1359 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1361 * params.def (ira-max-conflict-table-size): Decrease default value
1364 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1366 PR tree-optimization/37031
1367 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1369 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1370 allocate it using gc instead of heap, use VEC_quick_push instead of
1372 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1373 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1374 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1375 allocated vector from heap allocated.
1376 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1377 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1378 vector only after perfect_loop_nest_depth call.
1380 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1381 Jan Sjodin <jan.sjodin@amd.com>
1383 PR tree-optimization/38559
1384 * graphite.c (debug_value, copy_constraint,
1385 swap_constraint_variables, scale_constraint_variable, ): New.
1386 (get_lower_bound, get_upper_bound): Removed.
1387 (graphite_trans_bb_strip_mine): Clean up this code that works
1388 only for constant number of iterations. Fully copy upper and
1389 lower bound constraints, not only the constant part of them.
1390 * graphite.h (debug_value): Declared.
1392 2009-01-08 Ira Rosen <irar@il.ibm.com>
1394 PR tree-optimization/37194
1395 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1396 Don't add the cost of cost model guard in prologue to scalar
1397 outside cost in case of known number of iterations.
1399 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1400 Alan Modra <amodra@bigpond.net.au>
1402 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1403 non-word-aligned REG+CONST addressing.
1405 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1408 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1409 free_after_compilation when outputting a thunk.
1410 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1411 Do not call free_after_compilation here.
1413 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1415 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1416 (ix86_valid_target_attribute_inner_p): Ditto.
1418 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1420 PR tree-optimization/38492
1421 PR tree-optimization/38498
1422 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1423 * tree-chrec.h (scev_is_linear_expression): Declared.
1424 * graphite.c (graphite_cannot_represent_loop_niter): New.
1425 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1426 (graphite_loop_normal_form): Use gcc_assert.
1427 (scan_tree_for_params): Use CASE_CONVERT.
1428 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1429 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1430 Use gcc_assert. Discard scops that contain unhandled cases.
1431 (build_scop_conditions): Return a boolean status for unhandled cases.
1432 (strip_mine_profitable_p): Print the loop number, not its depth.
1433 (is_interchange_valid): Pass the depth of the loop nest, don't
1434 recompute it wrongly.
1435 (graphite_trans_bb_block): Same.
1436 (graphite_trans_bb_block): Print tentative of loop blocking.
1437 (graphite_trans_scop_block): Do not print that the loop has been
1439 (graphite_transform_loops): Do not handle scops that contain condition
1442 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1444 AVX Programming Reference (December, 2008)
1445 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1446 (_mm256_stream_pd): Likewise.
1447 (_mm256_stream_ps): Likewise.
1449 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1450 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1451 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1452 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1453 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1454 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1455 (ix86_expand_special_args_builtin): Likewise.
1457 * config/i386/sse.md (AVXMODEDI): New.
1458 (avx_movnt<mode>): Likewise.
1459 (avx_movnt<mode>): Likewise.
1460 (<sse>_movnt<mode>): Remove AVX support.
1461 (sse2_movntv2di): Likewise.
1463 2009-01-07 Richard Guenther <rguenther@suse.de>
1466 * fold-const.c (extract_muldiv): Remove obsolete comment.
1467 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1468 to PLUS_EXPR canonicalization for the canonicalization.
1470 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1472 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1473 hosted cross-compilers generating less efficient code.
1475 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1477 * function.h (rtl_data): Add a dbr_scheduled_p field.
1478 * reorg.c (dbr_schedule): Set it.
1479 (gate_handle_delay_slots): Check it.
1480 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1481 (mips_reorg): Check flag_delayed_branch instead of
1482 mips_base_delayed_branch.
1483 (mips_override_options): Don't set mips_base_delayed_branch
1484 or flag_delayed_branch.
1486 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1488 PR rtl-optimization/38426.
1489 * ira.c (ira): Set current_function_is_leaf earlier.
1491 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1493 PR rtl-optimization/38722
1494 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1495 too early, only set a flag and modify after last possible
1498 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1501 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1502 * real.c (decimal_single_format): Correct values of emin and emax.
1503 (decimal_double_format): Ditto.
1504 (decimal_quad_format): Ditto.
1505 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1506 computation of DECnn_MIN and DECnn_MAX for corrected values of
1507 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1508 __DECnn_MIN__, and adjust its computation for the corrected value
1511 2009-01-06 Jan Hubicka <jh@suse.cz>
1514 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1516 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1518 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1519 Add Robert Clark to the list of testers.
1521 2009-01-06 Jan Hubicka <jh@suse.cz>
1522 Kai Tietz <kai.tietz@onevision.com>
1524 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1525 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1527 2009-01-06 Jan Hubicka <jh@suse.cz>
1528 Kai Tietz <kai.tietz@onevision.com>
1530 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1532 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1533 (ix86_nsaved_regs): Count only general purpose regs.
1534 (ix86_nsaved_sseregs): New.
1535 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1536 to 16 for w64; compute padding and size of sse reg save area.
1537 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1538 general purpose regs.
1539 (ix86_emit_save_sse_regs_using_mov): New.
1540 (ix86_expand_prologue): Save SSE regs if needed.
1541 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1542 (ix86_emit_restore_sse_regs_using_mov): New.
1543 (ix86_expand_epilogue): Save SSE regs if needed.
1545 2009-01-06 Jan Hubicka <jh@suse.cz>
1546 Kai Tietz <kai.tietz@onevision.com>
1548 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1549 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1550 functions when accumulate outgoing args is off.
1552 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1555 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1556 before using pseudos_have_intersected_live_ranges_p.
1558 * ira-int.h (ira_assert): Always define.
1560 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1562 AVX Programming Reference (December, 2008)
1563 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1564 (_mm256_permute2_pd): Likewise.
1565 (_mm_permute2_ps): Likewise.
1566 (_mm256_permute2_ps): Likewise.
1567 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1568 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1570 * config/i386/i386.c (ix86_builtins): Remove
1571 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1572 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1573 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1574 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1575 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1576 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1577 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1578 __builtin_ia32_vpermil2ps256.
1579 (ix86_init_mmx_sse_builtins): Updated.
1580 (ix86_expand_args_builtin): Likewise.
1582 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1584 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1585 long absolute calls when generating PA 2.0 code.
1587 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1589 PR rtl-optimization/38583
1590 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1592 * params.def (ira-max-conflict-table-size): New.
1594 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1596 * ira.h (ira_conflicts_p): New external definition.
1598 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1599 table. Report this. Return result of building.
1600 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1601 building conflict table.
1603 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1604 (ira_color): Use ira_conflicts_p.
1606 * global.c: Include ira.h.
1607 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1610 * Makefile.in (global.o): Add ira.h.
1612 * ira-build.c (mark_all_loops_for_removal,
1613 propagate_some_info_from_allocno): New.
1614 (remove_unnecessary_allocnos): Call
1615 propagate_some_info_from_allocno.
1616 (remove_low_level_allocnos): New.
1617 (remove_unnecessary_regions): Add parameter. Call
1618 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1619 parameter to remove_unnecessary_regions.
1620 (ira_build): Remove all regions but root if the conflict table was
1621 not built. Update conflict hard regs for allocnos crossing calls.
1623 * ira.c (ira_conflicts_p): New global.
1624 (ira): Define and use ira_conflicts_p.
1626 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1627 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1628 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1630 2009-01-06 Ben Elliston <bje@au.ibm.com>
1632 * gengtype-lex.l (YY_NO_INPUT): Define.
1634 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1637 * c-common.c (handle_vector_size_attribute): Also reject
1640 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1642 PR tree-optimization/38492
1643 * graphite.c (rename_map_elt, debug_rename_elt,
1644 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1645 rename_map_elt_info, eq_rename_map_elts,
1646 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1647 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1648 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1649 (sese_build_livein_liveouts): New.
1650 (new_sese, free_sese): New.
1651 (new_scop): Call new_sese.
1652 (free_scop): Call free_sese.
1653 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1654 (register_old_new_names): Renamed register_old_and_new_names.
1655 (register_scop_liveout_renames, add_loop_exit_phis,
1656 insert_loop_close_phis, struct igp,
1657 default_liveout_before_guard, add_guard_exit_phis,
1658 insert_guard_phis, copy_renames): New.
1659 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1660 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1661 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1662 (scop_adjust_phis_for_liveouts): New.
1663 (gloog): Call scop_adjust_phis_for_liveouts.
1665 * graphite.h (struct sese): Documented. Added fields liveout,
1667 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1668 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1669 (struct scop): Added field liveout_renames.
1670 (SCOP_LIVEOUT_RENAMES): New.
1672 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1674 PR tree-optimization/38510
1675 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1676 (translate_clast): Call recompute_all_dominators before
1678 (gloog): Call recompute_all_dominators before graphite_verify.
1680 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1681 Jan Sjodin <jan.sjodin@amd.com>
1683 PR tree-optimization/38500
1684 * graphite.c (create_sese_edges): Call fix_loop_structure after
1687 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1689 * config.gcc: Add m32r*-*-rtems*.
1690 * config/m32r/rtems.h: New file.
1692 2009-01-05 Ben Elliston <bje@au.ibm.com>
1694 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1695 (.po.pox): Likewise.
1696 (po/gcc.pot): Likewise.
1698 2009-01-04 David S. Miller <davem@davemloft.net>
1700 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1701 (STARTING_FRAME_OFFSET): Always set to zero.
1703 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1705 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1706 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1707 fixed-point types, and vectors of the same.
1709 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1711 * config/mips/sync.md (*mb_barrier): Rename to...
1712 (*memory_barrier): ...this.
1714 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1716 * doc/extend.texi (Function Attributes): Move @cindex after @item
1717 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1718 and put in alphabetical order. Fix 'target' name and put in order.
1719 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1722 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1724 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1725 (memory_barrier): Expand as unspec instead of unspec_volatile.
1726 Remove mem:BLK from insn operands. Use Pmode scratch register.
1727 (*memory_barrier): Define as unspec instead of unspec_volatile.
1728 Use (match_dup 0) as input operand.
1730 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1731 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1732 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1733 scratch register. Remove operand 1.
1734 (*stbar): Define as unspec instead of unspec_volatile.
1735 Use (match_dup 0) as input operand, remove (const_int 8).
1736 (*membar): Define as unspec instead of unspec_volatile.
1737 Use (match_dup 0) as input operand, remove input operand 2.
1739 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1740 (memory_barrier): Expand as unspec instead of unspec_volatile.
1741 Remove mem:BLK from insn operands. Use Pmode scratch register.
1742 (*memory_barrier): Define as unspec instead of unspec_volatile.
1743 Use (match_dup 0) as input operand.
1745 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1746 Remove mem:BLK from insn operands. Use Pmode scratch register.
1747 Set volatile flag on operand 0.
1748 (*memory_barrier): New insn pattern.
1750 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1752 (*memory_barrier): Use (match_dup 0) as input operand.
1754 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1755 Remove mem:BLK from insn operands. Use Pmode scratch register.
1756 Set volatile flag on operand 0.
1757 (*mb_internal): New insn pattern.
1759 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1761 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1764 * function.c (struct temp_slot): Move to the section of the file
1765 that deals with temp slots. Remove field 'address'.
1766 (temp_slot_address_table): New hash table of address -> temp slot.
1767 (struct temp_slot_address_entry): New struct, items for the table.
1768 (temp_slot_address_compute_hash, temp_slot_address_hash,
1769 temp_slot_address_eq, insert_temp_slot_address): Support functions
1771 (find_temp_slot_from_address): Rewrite to use the new hash table.
1772 (remove_unused_temp_slot_addresses): Remove addresses of temp
1773 slots that have been made available.
1774 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1775 worker function for remove_unused_temp_slot_addresses.
1776 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1777 Add the temp slot address to the address -> temp slot map.
1778 (update_temp_slot_address): Update via insert_temp_slot_address.
1779 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1780 (pop_temp_slots): Likewise.
1781 (init_temp_slots): Allocate the address -> temp slot map, or empty
1782 the map if it is already allocated.
1783 (prepare_function_start): Initialize temp slot processing.
1785 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1788 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1789 Calculate the size of all stack vars assuming no packing of stack
1790 vars will happen, replacing a quadratic algorithm with a linear one.
1792 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1795 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1798 2009-01-03 Diego Novillo <dnovillo@google.com>
1800 * doc/contrib.texi: Update contributions.
1802 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1805 * builtins.c (fold_builtin_memory_op): Give up if either operand
1806 is volatile. Set srctype or desttype to non-qualified version
1810 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1813 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1815 PR rtl-optimization/35805
1816 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1817 problem if fast dce is able to remove any instructions.
1818 * dce.c (dce_process_block): Fix dump message.
1820 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1823 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1825 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1828 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1829 * tree-pretty-print.c (op_code_prio): New function.
1830 (op_prio): No longer static. Use op_code_prio.
1831 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1832 Use op_prio and op_code_prio to determine if () should be
1833 printed around operand(s) or not.
1835 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1836 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1837 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1838 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1839 pp_character instead of pp_string for single letter printing.
1841 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1843 * doc/extend.texi: Fix '#pragma GCC option' typo.
1845 2009-01-02 Richard Guenther <rguenther@suse.de>
1847 * doc/install.texi (--enable-checking): Mention different
1849 (--enable-stage1-checking): Document.
1851 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1854 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1855 case to be an error.
1857 2009-01-02 Ben Elliston <bje@au.ibm.com>
1859 * config/fp-bit.h (pack_d): Constify argument.
1860 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1861 (isnan): Constify argument.
1865 (_fpadd_parts): Constify return type.
1866 (_fpmul_parts): Likewise.
1867 (_fpdiv_parts): Likewise.
1869 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1872 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1873 warn about overwriting initializer with side-effects or
1874 -Woverride-init if !IMPLICIT.
1875 (output_init_element): Likewise. Pass IMPLICIT down to
1877 (process_init_element): Add IMPLICIT argument. Pass it down
1878 to output_init_element.
1879 (push_init_element, pop_init_level, set_designator): Adjust
1880 process_init_element callers.
1881 (set_nonincremental_init, set_nonincremental_init_from_string):
1882 Adjust add_pending_init callers.
1883 (output_pending_init_elements): Adjust output_init_element callers.
1884 * c-tree.h (process_init_element): Adjust prototype.
1885 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1886 process_init_element callers.