1 2009-02-10 Nick Clifton <nickc@redhat.com>
3 * tree-parloops.c: Change license to GPLv3.
4 * ipa-struct-reorg.c: Change license to GPLv3.
5 * ipa-struct-reorg.h: Change license to GPLv3.
7 2009-02-10 Steve Ellcey <sje@cup.hp.com>
10 * c-decl.c (start_struct): Return NULL on error.
12 2009-02-10 Jakub Jelinek <jakub@redhat.com>
15 * cfgloopmanip.c (remove_path): Call remove_bbs after
16 cancel_loop_tree, not before it.
19 * function.h (struct function): Add has_local_explicit_reg_vars
21 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
23 * tree-ssa-live.c (remove_unused_locals): Recompute
24 cfun->has_local_explicit_reg_vars.
25 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
26 copies or clearings if cfun->has_local_explicit_reg_vars.
28 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
31 * config/i386/i386.c (expand_prologue): Emit blockage at the end
32 of function prologue when frame pointer is used to access
35 2009-02-10 Richard Guenther <rguenther@suse.de>
38 * gimplify.c (gimple_regimplify_operands): Always look if
39 we need to create a temporary.
41 2009-02-10 Richard Guenther <rguenther@suse.de>
43 PR tree-optimization/39132
44 * tree-loop-distribution.c (todo): New global var.
45 (generate_memset_zero): Trigger TODO_rebuild_alias.
46 (tree_loop_distribution): Return todo.
48 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
51 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
52 (x86_64_reg_class_name): Removed.
53 (classify_argument): Return 0 if bytes > 32. Return 0 if the
54 first one isn't X86_64_SSE_CLASS or any other ones aren't
55 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
56 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
57 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
58 and 3 X86_64_SSEUP_CLASS.
59 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
60 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
62 2009-02-10 Ben Elliston <bje@au.ibm.com>
64 * config/rs6000/rs6000.md (allocate_stack): Always use an update
65 form instruction to update the stack back chain word, even if the
66 user has disabled the generation of update instructions.
67 (movdi_<mode>_update_stack): New.
68 (movsi_update_stack): Likewise.
69 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
70 always use an update form instruction to update the stack back
73 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
76 * graphite.c (if_region_set_false_region): After moving a region
77 in the false branch of a condition, remove the empty dummy basic block.
78 (gloog): Remove wrong fix for PR38953.
80 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
82 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
83 generation due to implicit sign extension.
85 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
88 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
89 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
91 2009-02-09 Richard Guenther <rguenther@suse.de>
94 * convert.c (convert_to_real): Disable (float)fn((double)x)
95 to fnf(x) conversion if errno differences may occur and
98 2009-02-07 Anatoly Sokolov <aesok@post.ru>
100 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
101 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
102 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
104 2009-02-06 Joseph Myers <joseph@codesourcery.com>
107 * c-common.c (handle_alias_attribute): Disallow attribute for
108 anything not a FUNCTION_DECL or VAR_DECL.
110 2009-02-06 Janis Johnson <janis187@us.ibm.com>
113 * real.c (do_compare): Special-case compare of zero against
116 2009-02-06 Joseph Myers <joseph@codesourcery.com>
119 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
120 as indicating flexible array members unless the field itself is
121 being declarared as the incomplete array.
123 2009-02-06 Jan Hubicka <jh@suse.cz>
125 PR tree-optimization/38844
126 * ipa-inline.c (try_inline): Stop inlining recursion when edge
129 2009-02-06 Richard Guenther <rguenther@suse.de>
132 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
133 fork because we may expand it as __gcov_fork.
135 2009-02-06 Nick Clifton <nickc@redhat.com>
137 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
139 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
141 PR tree-optimization/35659
142 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
143 vn_phi_eq): Shortcut if hashcode does not match.
144 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
146 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
147 and avoid iterative_hash_expr.
148 (FOR_EACH_VALUE_ID_IN_SET): New.
149 (value_id_compare): Remove.
150 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
151 sort expressions by value id.
153 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
156 * config/sh/predicates.md (general_movsrc_operand): Don't check
157 the subreg of system registers here.
159 2009-02-05 Jakub Jelinek <jakub@redhat.com>
162 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
165 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
167 PR rtl-optimization/39110
168 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
169 addresses, not aligned ones.
171 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
172 Richard Guenther <rguenther@suse.de>
174 PR tree-optimization/39100
175 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
176 comment says and add edges.
178 2009-02-05 Joseph Myers <joseph@codesourcery.com>
181 * c-common.c (handle_tls_model_attribute): Ignore attribute for
182 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
184 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
186 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
187 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
188 register_bb_in_sese, new_sese, free_sese): Moved.
189 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
190 outermost_loop_in_scop, build_scop_iteration_domain,
191 expand_scalar_variables_ssa_name, get_vdef_before_scop,
192 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
193 Use loop_in_sese_p instead of loop_in_scop_p.
194 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
195 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
196 (scopdet_basic_block_info): Fix bug in scop detection.
197 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
198 eq_loop_to_cloog_loop): Remove.
199 (nb_loops_around_loop_in_scop, nb_loop
200 ref_nb_loops): Moved here...
201 * graphite.h (ref_nb_loops): ... from here.
202 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
203 (loop_domain_dim, loop_iteration_vector_dim): Remove.
204 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
205 * testsuite/gcc.dg/graphite/scop-19.c: New
207 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
208 Hans-Peter Nilsson <hp@axis.com>
210 PR rtl-optimization/37889
211 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
212 Move offset handling from PLUS to before the switch. Use new
213 arguments when considering SYMBOL_REFs too.
214 (rtx_addr_can_trap_p): Pass dummy offset and size.
215 (enum may_trap_p_flags): Remove.
216 (may_trap_p_1): Pass size from MEM_SIZE.
218 PR rtl-optimization/38921
219 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
220 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
221 * rtlanal.c (may_trap_after_code_motion_p): Delete.
222 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
224 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
226 AVX Programming Reference (January, 2009)
227 * config/i386/sse.md (*vpclmulqdq): New.
229 2009-02-04 Jakub Jelinek <jakub@redhat.com>
231 PR tree-optimization/38977
232 PR gcov-profile/38292
233 * calls.c (special_function_p): Disregard __builtin_ prefix.
235 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
237 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
238 non-indexable addresses even before reload.
240 2009-02-03 Joseph Myers <joseph@codesourcery.com>
243 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
244 as having variable size. Do not give an error for unnamed
245 parameters with [*] declarators. Give a warning for type names
246 with [*] declarators and mark them as variable size.
247 * c-parser.c (c_parser_sizeof_expression): Do not give an error
248 for sizeof applied to [*] type names.
250 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
253 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
255 2009-02-03 Jakub Jelinek <jakub@redhat.com>
257 * gcc.c (process_command): Update copyright notice dates.
258 * gcov.c (print_version): Likewise.
259 * gcov-dump.c (print_version): Likewise.
260 * mips-tfile.c (main): Likewise.
261 * mips-tdump.c (main): Likewise.
263 2009-02-03 Joseph Myers <joseph@codesourcery.com>
266 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
267 for composite type involving a zero-length array type.
269 2009-02-03 Jakub Jelinek <jakub@redhat.com>
272 * function.c (match_asm_constraints_1): Skip over
273 initial optional % in the constraint.
276 * c-parser.c (c_parser_postfix_expression): If fixed point is not
277 supported, don't accept FIXED_CSTs.
278 * c-decl.c (finish_declspecs): Error if fixed point is not supported
279 and _Sat is used without _Fract/_Accum. Set specs->type to
280 integer_type_node for cts_fract/cts_accum if fixed point is not
283 2009-02-02 Catherine Moore <clm@codesourcery.com>
285 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
287 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
289 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
290 (ABI_HAS_64BIT_SYMBOLS): Use it.
291 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
293 2009-02-02 Paul Brook <paul@codesourcery.com>
295 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
297 2009-02-02 Jakub Jelinek <jakub@redhat.com>
300 * recog.h (asm_operand_ok): Add constraints argument.
301 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
302 recurse on matching constraint.
303 (check_asm_operands): Pass constraints as 3rd argument to
304 asm_operand_ok. Don't look up matching constraint here.
305 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
308 2009-02-02 Ben Elliston <bje@au.ibm.com>
310 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
311 TARGET_NARROW_VOLATILE_BITFIELD macro names.
313 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
315 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
316 information. Remove some obsolete information. Reorganize.
318 * config/pa/fptr.c: Revert license to GPL 2.
319 * config/pa/milli64.S: Likewise.
321 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
324 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
325 LIBRARY name in, instead of hard-coding it.
326 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
327 extra target make frag to tmake_files according to EH model.
328 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
329 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
330 frags that define makefile variable EH_MODEL appropriately.
331 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
332 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
333 to "-sjlj" according to type of EH configured.
334 (LIBGCC_SONAME): Concatenate it to shared library base name.
335 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
336 to "_sjlj" according to type of EH configured.
337 (LIBGCC_SONAME): Concatenate it to shared library base name.
338 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
339 (SHLIB_LINK): Add missing semicolon to if-else construct.
340 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
341 string value of "pe_dll" command-line option.
342 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
343 (SHLIB_SONAME): Use it when overriding t-cygming default.
344 (SHLIB_IMPLIB): Override t-cygming default.
345 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
346 string value of "pe_dll" command-line option.
348 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
351 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
352 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
354 2009-01-31 Richard Guenther <rguenther@suse.de>
356 PR tree-optimization/38937
357 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
358 computing the transitive closure.
360 2009-01-30 Richard Guenther <rguenther@suse.de>
362 PR tree-optimization/39041
363 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
364 Propagate variable indices only if the types match for this stmt.
366 2009-01-30 Jakub Jelinek <jakub@redhat.com>
369 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
370 inline but never defined.
372 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
374 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
375 (*insv_h_di_reg_extimm): New insn.
376 (*insv_l<mode>_reg_extimm): New insn.
378 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
380 * config/picochip/picochip.c (flag_conserve_stack): set
381 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
382 fconserve-stack. Reduce call-overhead used by inliner.
384 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
387 * common.opt (flag_conserve_stack): Initialised to zero.
389 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
392 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
393 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
396 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
398 * ira-color.c (allocno_reload_assign): Update comments.
399 * regmove.c (regmove_optimize): Likewise.
403 2009-01-29 Robert Millan <rmh@aybabtu.com>
405 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
406 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
408 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
410 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
412 PR tree-optimization/39007
413 * tree-loop-distribution.c (generate_builtin): Use
414 recompute_dominator to compute the immediate dominator of the
415 basic block just after the loop.
417 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
419 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
420 (ASM_OUTPUT_DWARF_PCREL): Define.
422 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
424 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
425 * doc/passes.texi: Remove entries about regclass, local-alloc, and
426 global. Modify entries about regmove and IRA.
428 * ra-conflict.c: Remove the file.
430 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
432 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
433 (pass_regclass_init): Rename to pass_reginfo_init.
435 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
437 * toplev.h (flag_ira): Remove.
439 * caller-save.c (setup_save_areas): Remove flag_ira.
441 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
443 * global.c: Remove the file.
445 * opts.c: (decode_options): Remove flag_ira.
447 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
449 * regmove.c: Modify file description.
450 (find_use_as_address, try_auto_increment): Define them only if
451 AUTO_INC_DEC is defined.
452 (replacement_quality, replace_in_call_usage, fixup_match_1,
453 stable_and_no_regs_but_for_p): Remove.
454 (reg_set_in_bb): Make it static.
455 (regmove_optimize): Remove flag_ira and code which worked for
458 * local-alloc.c: Remove the file.
460 * common.opt (fira): Remove.
462 * ira.c: Include except.h.
463 (eliminable_regset): Move from global.c.
464 (mark_elimination): Ditto. Remove flag_ira.
465 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
466 equiv_mem_modified, validate_equiv_mem_from_store,
467 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
468 contains_replace_regs, memref_referenced_p, memref_used_between_p,
469 no_equiv, recorded_label_ref): Move from local-alloc.c.
470 (update_equiv_regs): Ditto. Make it static.
471 (print_insn_chain, print_insn_chains): Move it from global.c.
472 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
473 (build_insn_chain): Ditto. Make it static.
474 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
475 Rename to init_live_subregs.
476 (gate_ira): Remove flag_ira.
478 * regclass.c: Rename reginfo.c. Change file description.
479 (FORBIDDEN_INC_DEC_CLASSES): Remove.
480 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
481 (init_reg_sets_1): Remove code for evaluation of
482 reg_class_superclasses and losing_caller_save_reg_set.
483 (init_regs): Remove init_reg_autoinc.
484 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
485 ok_for_base_p_nonstrict): Remove.
486 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
487 (pass_regclass_init): Rename to pass_reginfo_init. Modify
488 corresponding entries.
489 (dump_regclass, record_operand_costs, scan_one_insn,
490 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
491 record_address_regs, auto_inc_dec_reg_p): Remove.
492 (gt-regclass.h): Rename to gt-reginfo.h.
494 * rtl.h (dump_global_regs, retry_global_alloc,
495 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
497 * Makefile.in (RA_H): Remove.
498 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
499 Rename regclass.o to reginfo.o.
500 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
502 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
503 (GTFILES): Rename regclass.c to reginfo.c.
505 * passes.c (init_optimization_passes): Remove pass_local_alloc and
506 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
508 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
509 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
511 (finish_spills): Ditto. Remove code for !flga_ira.
513 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
516 * doc/invoke.texi (rtl debug options): Complete rewrite.
517 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
519 * mode-switching.c (pass_mode_switching): Rename pass from
520 "mode-sw" to "mode_sw".
521 * except.c (pass_convert_to_eh_ranges): Rename pass from
522 "eh-ranges" to "eh_ranges".
523 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
527 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
528 Alexander Monakov <amonakov@ispras.ru>
531 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
533 (move_exprs_to_boundary): Change return type and pass through
534 should_move from move_op. Relax assert. Update usage ...
535 (schedule_expr_on_boundary): ... here. Use should_move instead of
537 (move_op_orig_expr_found): Indicate that insn was disconnected from
539 (code_motion_process_successors): Do not call after_merge_succs
540 callback if original expression was not found when traversing any of
542 (code_motion_path_driver): Change return type. Update prototype.
543 (move_op): Update comment. Add a new parameter (should_move). Update
544 prototype. Set *should_move based on indication provided by
545 move_op_orig_expr_found.
547 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
549 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
550 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
551 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
552 * config/rs6000/rs6000.c (rs6000_override_options): Default
553 avoid-indexed-addresses on for Power6, off for everything else.
554 (avoiding_indexed_address_p): New function.
555 (rs6000_legitimize_address): Use it.
556 (rs6000_legitimate_address): Likewise.
557 * config/rs6000/rs6000.md (movXX_updateX): Likewise
559 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
561 PR tree-optimization/38997
562 * tree-loop-distribution.c (generate_memset_zero): Use
563 POINTER_PLUS_EXPR for a pointer addition.
565 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
567 * config/s390/s390.md (bswap<mode>2): New pattern added.
569 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
571 * config/s390/s390.md (*tls_load_31): Added type attribute.
573 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
575 * config/s390/s390.md: Fix a few comments.
577 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
579 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
580 (*tm<mode>_full): Fixed z10prop attribute.
581 (*tst<mode>_extimm): Fixed z10prop attribute.
582 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
583 (*tstqiCCT_cconly): Fixed z10prop attribute.
584 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
585 (*movsi_larl): Fixed z10prop attribute.
586 (*movsi_zarch): Fixed z10prop attribute.
587 (*movsi_eas): Fixed z10prop attribute.
588 (*movhi): Fixed z10prop attribute.
589 (*movqi): Fixed z10prop attribute.
590 (*movstrictqi): Fixed z10prop attribute.
591 (*mov<mode>): Fixed z10prop attribute.
592 (*movcc): Fixed z10prop attribute.
593 (*sethighpartdi_64): Fixed z10prop attribute.
594 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
595 (*negdi2_sign_cc): Fixed z10prop attribute.
596 (*negdi2_sign): Fixed z10prop attribute.
597 (*absdi2_sign_cc): Fixed z10prop attribute.
598 (*absdi2_sign): Fixed z10prop attribute.
599 (*negabsdi2_sign_cc): Fixed z10prop attribute.
600 (*negabsdi2_sign): Fixed z10prop attribute.
601 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
602 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
603 (doloop_si64): Fixed z10prop attribute.
604 (doloop_si31): Fixed z10prop attribute.
605 (doloop_long): Fixed z10prop attribute.
606 (indirect_jump): Fixed z10prop attribute.
607 (nop): Fixed z10prop attribute.
608 (main_base_64): Fixed z10prop attribute.
609 (reload_base_64): Fixed z10prop attribute.
611 2009-01-28 Jakub Jelinek <jakub@redhat.com>
613 PR rtl-optimization/38740
614 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize.
615 * config/mips/mips.c (mips_reorg): Likewise.
617 2009-01-28 Richard Guenther <rguenther@suse.de>
619 PR tree-optimization/38926
620 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
621 with the correct value id to a value.
622 (do_regular_insertion): Use the value number of edoubleprime
623 for the value number of the expr.
626 2008-08-21 Richard Guenther <rguenther@suse.de>
628 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
629 a PHI ask VN if it is already available.
630 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
631 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
633 2009-01-28 Jakub Jelinek <jakub@redhat.com>
636 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
637 set to varying whenever max has TREE_OVERFLOW set, similarly
638 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
640 2009-01-28 Richard Guenther <rguenther@suse.de>
643 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
644 uninitialized aggregate uses in call arguments.
646 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
648 PR tree-optimization/38984
649 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
650 the nothing_id variable if -fno-delete-null-pointer-checks.
652 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
655 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
656 (set_got_offset_rex64): Ditto.
658 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
661 * doc/extend.texi: Improve local variable with asm reg.
663 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
665 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
666 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
667 was not supplied then set warn_packed_bitfield_compat to the
669 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
672 2009-01-27 Richard Guenther <rguenther@suse.de>
674 PR tree-optimization/38503
675 * cfgexpand.c (expand_gimple_basic_block): Ignore
676 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
677 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
678 variables that cannot have TBAA applied.
679 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
682 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
685 * calls.c (initialize_argument_information): Do not wrap complex
686 arguments in SAVE_EXPR.
688 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
690 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
691 (INSTALL_LIBGCC): Revert typo commit.
693 2009-01-26 Richard Guenther <rguenther@suse.de>
695 PR tree-optimization/38745
696 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
697 from special handling.
699 2009-01-26 Richard Guenther <rguenther@suse.de>
701 PR tree-optimization/38745
702 * tree-ssa.c (execute_update_addresses_taken): Do not include
703 variables that cannot possibly be a register in not_reg_needs.
704 Do not clear TREE_ADDRESSABLE on vars that may not become
706 * tree-ssa.c (update_alias_info_1): Include those in the set
709 2009-01-26 Richard Guenther <rguenther@suse.de>
712 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
713 * tree-ssa-dse.c: Include langhooks.h
714 (execute_simple_dse): Remove stores with zero size.
716 2009-01-24 Jakub Jelinek <jakub@redhat.com>
719 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
722 2009-01-24 Julian Brown <julian@codesourcery.com>
724 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
725 config/arm/linux-atomic.c.
726 * config/arm/linux-atomic.c: New.
728 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
730 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
731 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
732 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
734 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
737 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
740 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
742 PR tree-optimization/38953
743 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
744 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
745 (gloog): Split the exit of the scop when the scop exit is a loop exit.
746 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
749 2009-01-24 Paul Brook <paul@codesourcery.com>
751 * config/arm/neon.md (neon_type): Move to arm.md.
752 (neon_mov<VSTRUCT>): Add neon_type attribute.
753 * config/arm/arm.md (neon_type): Move to here.
754 (conds): Add "unconditioal" and use as default for NEON insns.
756 2009-01-24 Ben Elliston <bje@au.ibm.com>
758 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
759 void *' warning from -Wc++-compat.
760 * Makefile.in (dominance.o-warn): Remove.
762 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
764 PR tree-optimization/38932
765 * fold-const.c (fold_unary_ignore_overflow): New.
766 * tree.h (fold_unary_ignore_overflow): Declare.
767 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
768 * tree-ssa-sccvn.c (visit_reference_op_load,
769 simplify_unary_expression): Likewise.
771 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
773 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
774 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
775 regardless of their type.
776 * c-common.c (handle_packed_attribute): Don't ignore packed on
778 * c.opt (Wpacked-bitfield-compat): New warning option.
779 * stor-layout.c (place_field): Warn if offset of a field changed.
780 * doc/extend.texi (packed): Mention the ABI change.
781 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
782 (Warning Options): Add it to the list.
784 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
786 * c-opts.c (c_common_post_options): Fix a typo in comments.
788 2009-01-22 Steve Ellcey <sje@cup.hp.com>
791 * gimplify.c (gimplify_init_constructor): Fix promotion of const
793 * doc/invoke.texi (-fmerge-all-constants): Update description.
795 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
798 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
799 (*movdi_1_rex64): Use type "mmx" for alternative 5.
801 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
803 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
805 (LOCAL_ALIGNMENT): Similarly.
807 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
808 Joseph Myers <joseph@codesourcery.com>
810 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
811 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
812 * config/arm/arm-tune.md: Regenerate.
813 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
816 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
818 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
819 version number to five.
821 2009-01-22 Dodji Seketeli <dodji@redhat.com>
824 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
825 * c-common.c (set_underlying_type): Likewise.
826 (is_typedef_decl ): Likewise
828 (set_underlying_type): Likewise.
829 (is_typedef_type): Likewise.
831 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
834 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
837 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
840 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
841 (LIBGCC_SPEC): Don't define.
842 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
844 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
846 PR rtl-optimization/38879
847 * alias.c (base_alias_check): Unaligned access via AND address can
848 alias all surrounding object types except those with sizes equal
849 or wider than the size of unaligned access.
851 2009-01-21 Dodji Seketeli <dodji@redhat.com>
854 * c-decl.c: (clone_underlying_type): Move this ...
855 * c-common.c (set_underlying_type): ... here.
856 Also, make sure the function properly sets TYPE_STUB_DECL() on
857 the newly created typedef variant type.
858 (is_typedef_decl ): New entry point.
859 * tree.h: Added a new member member_types_needing_access_check to
860 struct tree_decl_non_common.
861 (set_underlying_type): New entry point.
862 (is_typedef_type): Likewise.
864 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
866 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
867 Check whether two instructions have memory references that
868 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
869 are helper functions for traversing.
870 * alias.h (insn_alias_sets_confilict_p): New prototypes.
871 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
872 not to draw dependency edge for instructions with non-conflicting
875 2009-01-20 Joseph Myers <joseph@codesourcery.com>
878 * longlong.h: Update copyright years. Use soft-fp license
879 notice. Sync __clz_tab declaration with glibc.
881 2009-01-20 Steve Ellcey <sje@cup.hp.com>
884 * doc/extend.texi (syscall_linkage): New.
885 (version_id): Modify.
887 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
888 Richard Guenther <rguenther@suse.de>
890 PR tree-optimization/38747
891 PR tree-optimization/38748
892 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
893 conversion if the base address is an indirect reference and the
894 aliasing sets could cause issues.
896 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
898 * common.opt (fgraphite, fgraphite-identity): Add comment for
899 explaining why these options are not documented.
901 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
903 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
904 gimple_call_lhs is NULL.
906 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
909 * emit-rtl.c (adjust_address_1): Make sure memref is never
912 2009-01-20 Ben Elliston <bje@au.ibm.com>
914 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
915 const qualifier from arg parameter. Remove unnecessary cast to char *.
916 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
917 const qualifier from arg 2.
919 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
921 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
923 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
926 * rtl.h (reinit_regs): New prototype.
927 * regclass.c: Include ira.h.
929 * Makefile.in (regclass.o): Add ira.h.
930 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
932 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
935 * c-common.c (handle_aligned_attribute): Use
936 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
937 default alignment value.
939 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
941 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
942 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
944 * doc/extend.texi: Update __attribute__ ((aligned)). Document
945 __BIGGEST_ALIGNMENT__.
947 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
949 2009-01-18 Richard Guenther <rguenther@suse.de>
951 PR tree-optimization/38819
952 * tree-flow.h (operation_could_trap_helper_p): Declare.
953 * tree-eh.c (operation_could_trap_helper_p): Export.
954 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
955 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
956 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
957 are about to insert a possibly trapping instruction and fail
960 2009-01-18 Andreas Schwab <schwab@suse.de>
962 * doc/install.texi (Configuration): Remove obsolete paragraph
963 about use of --with-gnu-ld with --with-gnu-as.
965 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
967 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
968 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
969 Follow spelling conventions.
971 2009-01-18 Ben Elliston <bje@au.ibm.com>
973 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
974 C++ warning about implicit conversion from void * to struct
976 (bitmap_obstack_free): Likewise for bitmap_element *.
977 * Makefile.in (bitmap.o-warn): Remove.
979 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
981 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
983 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
984 Tobias Grosser <tobi.grosser@amd.com>
986 * graphite.c (graphite_trans_scop_block): Do not block single
989 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
991 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
992 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
995 2009-01-16 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/38835
999 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1000 and INT + PTR -> (INT)(PTR p+ INT) folding.
1001 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1003 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1006 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1007 the subreg from a lowpart subreg if it is also casting the value.
1009 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1010 Tobias Grosser <tobi.grosser@amd.com>
1012 * graphite.c (compare_prefix_loops): New.
1013 (build_scop_canonical_schedules): Rewritten.
1014 (graphite_transform_loops): Move build_scop_canonical_schedules
1015 after build_scop_iteration_domain.
1017 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1018 Tobias Grosser <tobi.grosser@amd.com>
1020 * graphite.c (add_conditions_to_domain): Add the loops to
1021 the dimension of the iteration domain. Do copy the domain
1022 only when it exists.
1023 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1024 (add_conditions_to_constraints): New.
1025 (can_generate_code_stmt, can_generate_code): Removed.
1026 (gloog): Do not call can_generate_code.
1027 (graphite_transform_loops): Call add_conditions_to_constraints
1028 after building the iteration domain.
1030 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1032 PR tree-optimization/38789
1033 * tree-ssa-threadedge.c
1034 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1035 __builtin_constant_p.
1037 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1039 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1040 examined before deleting them.
1042 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1044 * function.c (aggregate_value_p): Correctly extract the function
1045 type from CALL_EXPR_FN lookup.
1047 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1049 * config/picochip/picochip.c (picochip_override_options): Revert
1050 CFI asm flag disable commited previously.
1052 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1053 Tobias Grosser <tobi.grosser@amd.com>
1054 Jan Sjodin <jan.sjodin@amd.com>
1056 * graphite.c (scan_tree_for_params): On substractions negate
1057 all the coefficients of the term.
1058 (clast_to_gcc_expression_red): New. Handle reduction expressions
1059 of more than two operands.
1060 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1061 (get_vdef_before_scop): Handle also the case of default definitions.
1063 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1065 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1066 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1067 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1069 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1070 Joey Ye <joey.ye@intel.com>
1073 * cfgexpand.c (expand_stack_alignment): Don't update stack
1074 boundary nor check incoming stack boundary here.
1075 (gimple_expand_cfg): Update stack boundary and check incoming
1076 stack boundary here.
1078 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1080 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1082 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1084 PR rtl-optimization/38245
1085 * calls.c (expand_call): Add stack arguments to
1086 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1087 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1088 in regs and partially in memory or BLKmode arguments.
1089 (emit_library_call_value_1): Add stack arguments to
1090 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1091 ACCUMULATE_OUTGOING_ARGS).
1092 * dce.c: Include tm_p.h.
1093 (find_call_stack_args): New function.
1094 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1096 (mark_insn): Call find_call_stack_args for CALL_Ps.
1097 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1098 forwards. Allocate and free arg_stores bitmap if needed, pass it
1099 down to deletable_insn_p, don't mark stores set in arg_stores
1100 bitmap, clear the bitmap at the beginning of each bb.
1101 * Makefile.in (dce.o): Depend on $(TM_P_H).
1103 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1106 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1107 to make sure the insn is a conditional test (bug 22599). Reformat a
1110 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1113 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1114 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1115 (gloog): Do not call cleanup_tree_cfg.
1116 (graphite_transform_loops): Call cleanup_tree_cfg after all
1117 scops have been code generated.
1119 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1120 * doc/gty.texi (Invoking the garbage collector): Added new node
1121 and section documenting ggc_collect.
1123 2009-01-14 Richard Guenther <rguenther@suse.de>
1125 PR tree-optimization/38826
1127 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1128 initialization notes only if we actually emitted a warning.
1129 (intra_create_variable_infos): Add constraints for a result decl
1130 that is passed by hidden reference.
1131 (build_pred_graph): Mark all related variables non-direct on
1134 2009-01-14 Nick Clifton <nickc@redhat.com>
1136 * ira-conflicts.c: Include addresses.h for the definition of
1138 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1139 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1141 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1144 * Makefile.in (ira-lives.o): Add except.h.
1146 * ira-lives.c: Include except.h.
1147 (process_bb_node_lives): Process can_throw_internal.
1149 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1151 PR rtl-optimization/38774
1152 * combine.c (simplify_set): When undoing cc_use change, don't do
1153 PUT_CODE on the newly created comparison, but instead put back the
1156 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1158 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1159 values. Remove duplicate arm8 entry.
1161 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1163 PR tree-optimization/38786
1164 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1165 the SSA_NAME case of expand_scalar_variables_expr.
1166 Set the type of an expression to the type of its assign statement.
1167 (expand_scalar_variables_expr): Also gather the scalar computation
1168 used to index the memory access. Do not pass loop_p.
1169 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1170 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1171 the gimple_stmt_iterator where it inserts new code.
1173 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1174 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1176 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1178 * graphite.h (debug_value): Removed.
1179 * graphite.c (debug_value): Removed.
1181 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1183 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1184 ldrd/strd with two 32-bit instructions.
1186 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1188 * config/arm/arm.c (struct processors): Pass for speed down into
1189 cost helper functions.
1190 (const_ok_for_op): Handle COMPARE and inequality nodes.
1191 (arm_rtx_costs_1): Rewrite.
1192 (arm_size_rtx_costs): Update prototype.
1193 (arm_rtx_costs): Pass speed down to helper functions.
1194 (arm_slowmul_rtx_costs): Rework cost calculations.
1195 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1196 (arm_9e_rtx_costs): Likewise.
1198 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1200 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1201 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1202 (alpha_legitimize_address): Do not split local symbols wider than
1203 UNITS_PER_WORD into HIGH/LO_SUM parts.
1205 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1208 * gcc.c (process_command): Replace call to execvp with calls
1209 to pex_one and exit.
1211 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1214 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1215 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1216 variant for devices with 3-byte PC.
1217 (__tablejump_elpm__) : New.
1219 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1222 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1223 offsetof member-designator, handle it as `[0].'.
1225 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1227 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1228 function when not using named sections on targets with named sections
1229 if branch distance is less than 262132.
1231 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1233 * combine.c (combine_instructions): Recompute
1234 optimize_this_for_speed_p for each BB in the main combine loop.
1236 2009-01-12 Tomas Bily <tbily@suse.cz>
1239 * tree-loop-distribution.c (prop_phis): New function.
1240 (generate_builtin): Call prop_phis.
1241 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1243 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1245 PR tree-optimization/38807
1246 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1247 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1249 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1251 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1252 subreg of op0 to the original op0.
1254 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1256 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1258 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1261 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1262 starting with digits.
1264 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1267 * config/arm/arm.c (arm_is_long_call_p): Don't call
1268 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1270 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1272 * regrename.c (regrename_optimize): Fix dumping.
1273 (find_oldest_value_reg): Preserve REG_POINTER.
1274 (copy_hardreg_forward_1): Likewise.
1276 2009-01-09 Diego Novillo <dnovillo@google.com>
1278 * gimple.h (struct gimple_statement_base) <uid>: Document
1279 the restrictions on its use.
1281 (gimple_set_uid): Tidy.
1283 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1285 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1286 zero guard even if align_bytes != 0 and count is smaller than
1289 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1291 PR rtl-optimization/38495
1292 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1293 (add_range_and_copies_from_move_list): Print all added ranges.
1294 Add ranges to memory optimized destination.
1296 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1300 * config/i386/i386.c (override_options): Reject
1301 -mstringop-strategy=rep_8byte with -m32.
1302 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1303 to 1. Do count comparison against epilogue_size_needed at compile
1304 time even when count_exp was constant forced into register. For
1305 size_needed don't jump to epilogue, instead just avoid aligning
1306 and invoke the body algorithm. If need_zero_guard, add zero guard
1307 even if count is non-zero, but smaller than size_needed + number of
1308 bytes that could be stored for alignment.
1309 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1310 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1311 but smaller than size_needed + number of bytes that could be stored
1312 for alignment. Compare size_needed with epilogue_size_needed instead
1313 of desired_align - align, don't adjust size_needed, pass
1314 epilogue_size_needed to the epilogue expanders.
1317 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1319 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1321 * pa.c (last_address): Change to unsigned.
1322 (update_total_code_bytes): Change argument to unsigned. Don't
1323 check if insn addresses are set.
1324 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1325 addresses are not set.
1326 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1328 2009-01-09 Nick Clifton <nickc@redhat.com>
1330 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1331 DECL_DECLARED_INLINE_P.
1333 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1336 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1337 GET_MODE (op0) in operand_subword_force calls.
1340 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1341 fold_convert arg0 operands to TREE_TYPE (op0) first.
1343 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1345 * params.def (ira-max-conflict-table-size): Decrease default value
1348 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1350 PR tree-optimization/37031
1351 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1353 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1354 allocate it using gc instead of heap, use VEC_quick_push instead of
1356 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1357 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1358 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1359 allocated vector from heap allocated.
1360 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1361 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1362 vector only after perfect_loop_nest_depth call.
1364 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1365 Jan Sjodin <jan.sjodin@amd.com>
1367 PR tree-optimization/38559
1368 * graphite.c (debug_value, copy_constraint,
1369 swap_constraint_variables, scale_constraint_variable, ): New.
1370 (get_lower_bound, get_upper_bound): Removed.
1371 (graphite_trans_bb_strip_mine): Clean up this code that works
1372 only for constant number of iterations. Fully copy upper and
1373 lower bound constraints, not only the constant part of them.
1374 * graphite.h (debug_value): Declared.
1376 2009-01-08 Ira Rosen <irar@il.ibm.com>
1378 PR tree-optimization/37194
1379 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1380 Don't add the cost of cost model guard in prologue to scalar
1381 outside cost in case of known number of iterations.
1383 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1384 Alan Modra <amodra@bigpond.net.au>
1386 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1387 non-word-aligned REG+CONST addressing.
1389 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1392 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1393 free_after_compilation when outputting a thunk.
1394 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1395 Do not call free_after_compilation here.
1397 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1399 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1400 (ix86_valid_target_attribute_inner_p): Ditto.
1402 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1404 PR tree-optimization/38492
1405 PR tree-optimization/38498
1406 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1407 * tree-chrec.h (scev_is_linear_expression): Declared.
1408 * graphite.c (graphite_cannot_represent_loop_niter): New.
1409 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1410 (graphite_loop_normal_form): Use gcc_assert.
1411 (scan_tree_for_params): Use CASE_CONVERT.
1412 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1413 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1414 Use gcc_assert. Discard scops that contain unhandled cases.
1415 (build_scop_conditions): Return a boolean status for unhandled cases.
1416 (strip_mine_profitable_p): Print the loop number, not its depth.
1417 (is_interchange_valid): Pass the depth of the loop nest, don't
1418 recompute it wrongly.
1419 (graphite_trans_bb_block): Same.
1420 (graphite_trans_bb_block): Print tentative of loop blocking.
1421 (graphite_trans_scop_block): Do not print that the loop has been
1423 (graphite_transform_loops): Do not handle scops that contain condition
1426 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1428 AVX Programming Reference (December, 2008)
1429 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1430 (_mm256_stream_pd): Likewise.
1431 (_mm256_stream_ps): Likewise.
1433 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1434 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1435 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1436 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1437 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1438 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1439 (ix86_expand_special_args_builtin): Likewise.
1441 * config/i386/sse.md (AVXMODEDI): New.
1442 (avx_movnt<mode>): Likewise.
1443 (avx_movnt<mode>): Likewise.
1444 (<sse>_movnt<mode>): Remove AVX support.
1445 (sse2_movntv2di): Likewise.
1447 2009-01-07 Richard Guenther <rguenther@suse.de>
1450 * fold-const.c (extract_muldiv): Remove obsolete comment.
1451 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1452 to PLUS_EXPR canonicalization for the canonicalization.
1454 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1456 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1457 hosted cross-compilers generating less efficient code.
1459 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1461 * function.h (rtl_data): Add a dbr_scheduled_p field.
1462 * reorg.c (dbr_schedule): Set it.
1463 (gate_handle_delay_slots): Check it.
1464 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1465 (mips_reorg): Check flag_delayed_branch instead of
1466 mips_base_delayed_branch.
1467 (mips_override_options): Don't set mips_base_delayed_branch
1468 or flag_delayed_branch.
1470 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1472 PR rtl-optimization/38426.
1473 * ira.c (ira): Set current_function_is_leaf earlier.
1475 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1477 PR rtl-optimization/38722
1478 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1479 too early, only set a flag and modify after last possible
1482 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1485 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1486 * real.c (decimal_single_format): Correct values of emin and emax.
1487 (decimal_double_format): Ditto.
1488 (decimal_quad_format): Ditto.
1489 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1490 computation of DECnn_MIN and DECnn_MAX for corrected values of
1491 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1492 __DECnn_MIN__, and adjust its computation for the corrected value
1495 2009-01-06 Jan Hubicka <jh@suse.cz>
1498 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1500 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1502 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1503 Add Robert Clark to the list of testers.
1505 2009-01-06 Jan Hubicka <jh@suse.cz>
1506 Kai Tietz <kai.tietz@onevision.com>
1508 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1509 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1511 2009-01-06 Jan Hubicka <jh@suse.cz>
1512 Kai Tietz <kai.tietz@onevision.com>
1514 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1516 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1517 (ix86_nsaved_regs): Count only general purpose regs.
1518 (ix86_nsaved_sseregs): New.
1519 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1520 to 16 for w64; compute padding and size of sse reg save area.
1521 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1522 general purpose regs.
1523 (ix86_emit_save_sse_regs_using_mov): New.
1524 (ix86_expand_prologue): Save SSE regs if needed.
1525 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1526 (ix86_emit_restore_sse_regs_using_mov): New.
1527 (ix86_expand_epilogue): Save SSE regs if needed.
1529 2009-01-06 Jan Hubicka <jh@suse.cz>
1530 Kai Tietz <kai.tietz@onevision.com>
1532 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1533 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1534 functions when accumulate outgoing args is off.
1536 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1539 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1540 before using pseudos_have_intersected_live_ranges_p.
1542 * ira-int.h (ira_assert): Always define.
1544 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1546 AVX Programming Reference (December, 2008)
1547 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1548 (_mm256_permute2_pd): Likewise.
1549 (_mm_permute2_ps): Likewise.
1550 (_mm256_permute2_ps): Likewise.
1551 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1552 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1554 * config/i386/i386.c (ix86_builtins): Remove
1555 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1556 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1557 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1558 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1559 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1560 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1561 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1562 __builtin_ia32_vpermil2ps256.
1563 (ix86_init_mmx_sse_builtins): Updated.
1564 (ix86_expand_args_builtin): Likewise.
1566 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1568 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1569 long absolute calls when generating PA 2.0 code.
1571 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1573 PR rtl-optimization/38583
1574 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1576 * params.def (ira-max-conflict-table-size): New.
1578 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1580 * ira.h (ira_conflicts_p): New external definition.
1582 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1583 table. Report this. Return result of building.
1584 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1585 building conflict table.
1587 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1588 (ira_color): Use ira_conflicts_p.
1590 * global.c: Include ira.h.
1591 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1594 * Makefile.in (global.o): Add ira.h.
1596 * ira-build.c (mark_all_loops_for_removal,
1597 propagate_some_info_from_allocno): New.
1598 (remove_unnecessary_allocnos): Call
1599 propagate_some_info_from_allocno.
1600 (remove_low_level_allocnos): New.
1601 (remove_unnecessary_regions): Add parameter. Call
1602 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1603 parameter to remove_unnecessary_regions.
1604 (ira_build): Remove all regions but root if the conflict table was
1605 not built. Update conflict hard regs for allocnos crossing calls.
1607 * ira.c (ira_conflicts_p): New global.
1608 (ira): Define and use ira_conflicts_p.
1610 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1611 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1612 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1614 2009-01-06 Ben Elliston <bje@au.ibm.com>
1616 * gengtype-lex.l (YY_NO_INPUT): Define.
1618 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1621 * c-common.c (handle_vector_size_attribute): Also reject
1624 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1626 PR tree-optimization/38492
1627 * graphite.c (rename_map_elt, debug_rename_elt,
1628 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1629 rename_map_elt_info, eq_rename_map_elts,
1630 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1631 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1632 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1633 (sese_build_livein_liveouts): New.
1634 (new_sese, free_sese): New.
1635 (new_scop): Call new_sese.
1636 (free_scop): Call free_sese.
1637 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1638 (register_old_new_names): Renamed register_old_and_new_names.
1639 (register_scop_liveout_renames, add_loop_exit_phis,
1640 insert_loop_close_phis, struct igp,
1641 default_liveout_before_guard, add_guard_exit_phis,
1642 insert_guard_phis, copy_renames): New.
1643 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1644 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1645 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1646 (scop_adjust_phis_for_liveouts): New.
1647 (gloog): Call scop_adjust_phis_for_liveouts.
1649 * graphite.h (struct sese): Documented. Added fields liveout,
1651 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1652 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1653 (struct scop): Added field liveout_renames.
1654 (SCOP_LIVEOUT_RENAMES): New.
1656 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1658 PR tree-optimization/38510
1659 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1660 (translate_clast): Call recompute_all_dominators before
1662 (gloog): Call recompute_all_dominators before graphite_verify.
1664 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1665 Jan Sjodin <jan.sjodin@amd.com>
1667 PR tree-optimization/38500
1668 * graphite.c (create_sese_edges): Call fix_loop_structure after
1671 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1673 * config.gcc: Add m32r*-*-rtems*.
1674 * config/m32r/rtems.h: New file.
1676 2009-01-05 Ben Elliston <bje@au.ibm.com>
1678 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1679 (.po.pox): Likewise.
1680 (po/gcc.pot): Likewise.
1682 2009-01-04 David S. Miller <davem@davemloft.net>
1684 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1685 (STARTING_FRAME_OFFSET): Always set to zero.
1687 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1689 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1690 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1691 fixed-point types, and vectors of the same.
1693 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1695 * config/mips/sync.md (*mb_barrier): Rename to...
1696 (*memory_barrier): ...this.
1698 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1700 * doc/extend.texi (Function Attributes): Move @cindex after @item
1701 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1702 and put in alphabetical order. Fix 'target' name and put in order.
1703 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1706 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1708 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1709 (memory_barrier): Expand as unspec instead of unspec_volatile.
1710 Remove mem:BLK from insn operands. Use Pmode scratch register.
1711 (*memory_barrier): Define as unspec instead of unspec_volatile.
1712 Use (match_dup 0) as input operand.
1714 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1715 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1716 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1717 scratch register. Remove operand 1.
1718 (*stbar): Define as unspec instead of unspec_volatile.
1719 Use (match_dup 0) as input operand, remove (const_int 8).
1720 (*membar): Define as unspec instead of unspec_volatile.
1721 Use (match_dup 0) as input operand, remove input operand 2.
1723 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1724 (memory_barrier): Expand as unspec instead of unspec_volatile.
1725 Remove mem:BLK from insn operands. Use Pmode scratch register.
1726 (*memory_barrier): Define as unspec instead of unspec_volatile.
1727 Use (match_dup 0) as input operand.
1729 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1730 Remove mem:BLK from insn operands. Use Pmode scratch register.
1731 Set volatile flag on operand 0.
1732 (*memory_barrier): New insn pattern.
1734 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1736 (*memory_barrier): Use (match_dup 0) as input operand.
1738 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1739 Remove mem:BLK from insn operands. Use Pmode scratch register.
1740 Set volatile flag on operand 0.
1741 (*mb_internal): New insn pattern.
1743 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1745 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1748 * function.c (struct temp_slot): Move to the section of the file
1749 that deals with temp slots. Remove field 'address'.
1750 (temp_slot_address_table): New hash table of address -> temp slot.
1751 (struct temp_slot_address_entry): New struct, items for the table.
1752 (temp_slot_address_compute_hash, temp_slot_address_hash,
1753 temp_slot_address_eq, insert_temp_slot_address): Support functions
1755 (find_temp_slot_from_address): Rewrite to use the new hash table.
1756 (remove_unused_temp_slot_addresses): Remove addresses of temp
1757 slots that have been made available.
1758 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1759 worker function for remove_unused_temp_slot_addresses.
1760 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1761 Add the temp slot address to the address -> temp slot map.
1762 (update_temp_slot_address): Update via insert_temp_slot_address.
1763 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1764 (pop_temp_slots): Likewise.
1765 (init_temp_slots): Allocate the address -> temp slot map, or empty
1766 the map if it is already allocated.
1767 (prepare_function_start): Initialize temp slot processing.
1769 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1772 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1773 Calculate the size of all stack vars assuming no packing of stack
1774 vars will happen, replacing a quadratic algorithm with a linear one.
1776 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1779 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1782 2009-01-03 Diego Novillo <dnovillo@google.com>
1784 * doc/contrib.texi: Update contributions.
1786 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1789 * builtins.c (fold_builtin_memory_op): Give up if either operand
1790 is volatile. Set srctype or desttype to non-qualified version
1794 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1797 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1799 PR rtl-optimization/35805
1800 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1801 problem if fast dce is able to remove any instructions.
1802 * dce.c (dce_process_block): Fix dump message.
1804 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1807 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1809 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1812 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1813 * tree-pretty-print.c (op_code_prio): New function.
1814 (op_prio): No longer static. Use op_code_prio.
1815 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1816 Use op_prio and op_code_prio to determine if () should be
1817 printed around operand(s) or not.
1819 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1820 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1821 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1822 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1823 pp_character instead of pp_string for single letter printing.
1825 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1827 * doc/extend.texi: Fix '#pragma GCC option' typo.
1829 2009-01-02 Richard Guenther <rguenther@suse.de>
1831 * doc/install.texi (--enable-checking): Mention different
1833 (--enable-stage1-checking): Document.
1835 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1838 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1839 case to be an error.
1841 2009-01-02 Ben Elliston <bje@au.ibm.com>
1843 * config/fp-bit.h (pack_d): Constify argument.
1844 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1845 (isnan): Constify argument.
1849 (_fpadd_parts): Constify return type.
1850 (_fpmul_parts): Likewise.
1851 (_fpdiv_parts): Likewise.
1853 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1856 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1857 warn about overwriting initializer with side-effects or
1858 -Woverride-init if !IMPLICIT.
1859 (output_init_element): Likewise. Pass IMPLICIT down to
1861 (process_init_element): Add IMPLICIT argument. Pass it down
1862 to output_init_element.
1863 (push_init_element, pop_init_level, set_designator): Adjust
1864 process_init_element callers.
1865 (set_nonincremental_init, set_nonincremental_init_from_string):
1866 Adjust add_pending_init callers.
1867 (output_pending_init_elements): Adjust output_init_element callers.
1868 * c-tree.h (process_init_element): Adjust prototype.
1869 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1870 process_init_element callers.