1 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2 Jakub Jelinek <jakub@redhat.com>
5 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
6 (memory_blockage): New expander.
7 (*memory_blockage): New insn pattern.
8 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9 instead of general blockage at the end of function prologue when
10 frame pointer is used to access red zone area. Do not emit blockage
11 when profiling, it is emitted in generic code.
12 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
13 function epilogue when frame pointer is used to access red zone area.
15 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
17 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
18 by arithmetic with memory operands.
19 * config/i386/predicates.md (commutative_operator): New.
21 2009-02-10 Janis Johnson <janis187@us.ibm.com>
23 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
26 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
28 * alias.h (record_alias_subset): Declare.
29 * alias.c (record_alias_subset): Make global.
31 2009-02-10 Nick Clifton <nickc@redhat.com>
33 * tree-parloops.c: Change license to GPLv3.
34 * ipa-struct-reorg.c: Change license to GPLv3.
35 * ipa-struct-reorg.h: Change license to GPLv3.
37 2009-02-10 Steve Ellcey <sje@cup.hp.com>
40 * c-decl.c (start_struct): Return NULL on error.
42 2009-02-10 Jakub Jelinek <jakub@redhat.com>
45 * cfgloopmanip.c (remove_path): Call remove_bbs after
46 cancel_loop_tree, not before it.
49 * function.h (struct function): Add has_local_explicit_reg_vars bit.
50 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
52 * tree-ssa-live.c (remove_unused_locals): Recompute
53 cfun->has_local_explicit_reg_vars.
54 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
55 copies or clearings if cfun->has_local_explicit_reg_vars.
57 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
60 * config/i386/i386.c (expand_prologue): Emit blockage at the end
61 of function prologue when frame pointer is used to access
64 2009-02-10 Richard Guenther <rguenther@suse.de>
67 * gimplify.c (gimple_regimplify_operands): Always look if
68 we need to create a temporary.
70 2009-02-10 Richard Guenther <rguenther@suse.de>
72 PR tree-optimization/39132
73 * tree-loop-distribution.c (todo): New global var.
74 (generate_memset_zero): Trigger TODO_rebuild_alias.
75 (tree_loop_distribution): Return todo.
77 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
80 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
81 (x86_64_reg_class_name): Removed.
82 (classify_argument): Return 0 if bytes > 32. Return 0 if the
83 first one isn't X86_64_SSE_CLASS or any other ones aren't
84 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
85 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
86 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
87 and 3 X86_64_SSEUP_CLASS.
88 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
89 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
91 2009-02-10 Ben Elliston <bje@au.ibm.com>
93 * config/rs6000/rs6000.md (allocate_stack): Always use an update
94 form instruction to update the stack back chain word, even if the
95 user has disabled the generation of update instructions.
96 (movdi_<mode>_update_stack): New.
97 (movsi_update_stack): Likewise.
98 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
99 always use an update form instruction to update the stack back
102 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
105 * graphite.c (if_region_set_false_region): After moving a region in
106 the false branch of a condition, remove the empty dummy basic block.
107 (gloog): Remove wrong fix for PR38953.
109 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
111 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
112 generation due to implicit sign extension.
114 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
117 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
118 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
120 2009-02-09 Richard Guenther <rguenther@suse.de>
123 * convert.c (convert_to_real): Disable (float)fn((double)x)
124 to fnf(x) conversion if errno differences may occur and
127 2009-02-07 Anatoly Sokolov <aesok@post.ru>
129 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
130 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
131 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
133 2009-02-06 Joseph Myers <joseph@codesourcery.com>
136 * c-common.c (handle_alias_attribute): Disallow attribute for
137 anything not a FUNCTION_DECL or VAR_DECL.
139 2009-02-06 Janis Johnson <janis187@us.ibm.com>
142 * real.c (do_compare): Special-case compare of zero against
145 2009-02-06 Joseph Myers <joseph@codesourcery.com>
148 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
149 as indicating flexible array members unless the field itself is
150 being declarared as the incomplete array.
152 2009-02-06 Jan Hubicka <jh@suse.cz>
154 PR tree-optimization/38844
155 * ipa-inline.c (try_inline): Stop inlining recursion when edge
158 2009-02-06 Richard Guenther <rguenther@suse.de>
161 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
162 fork because we may expand it as __gcov_fork.
164 2009-02-06 Nick Clifton <nickc@redhat.com>
166 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
168 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
170 PR tree-optimization/35659
171 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
172 vn_phi_eq): Shortcut if hashcode does not match.
173 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
175 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
176 and avoid iterative_hash_expr.
177 (FOR_EACH_VALUE_ID_IN_SET): New.
178 (value_id_compare): Remove.
179 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
180 sort expressions by value id.
182 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
185 * config/sh/predicates.md (general_movsrc_operand): Don't check
186 the subreg of system registers here.
188 2009-02-05 Jakub Jelinek <jakub@redhat.com>
191 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
194 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
196 PR rtl-optimization/39110
197 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
198 addresses, not aligned ones.
200 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
201 Richard Guenther <rguenther@suse.de>
203 PR tree-optimization/39100
204 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
205 comment says and add edges.
207 2009-02-05 Joseph Myers <joseph@codesourcery.com>
210 * c-common.c (handle_tls_model_attribute): Ignore attribute for
211 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
213 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
215 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
216 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
217 register_bb_in_sese, new_sese, free_sese): Moved.
218 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
219 outermost_loop_in_scop, build_scop_iteration_domain,
220 expand_scalar_variables_ssa_name, get_vdef_before_scop,
221 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
222 Use loop_in_sese_p instead of loop_in_scop_p.
223 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
224 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
225 (scopdet_basic_block_info): Fix bug in scop detection.
226 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
227 eq_loop_to_cloog_loop): Remove.
228 (nb_loops_around_loop_in_scop, nb_loop
229 ref_nb_loops): Moved here...
230 * graphite.h (ref_nb_loops): ... from here.
231 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
232 (loop_domain_dim, loop_iteration_vector_dim): Remove.
233 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
234 * testsuite/gcc.dg/graphite/scop-19.c: New
236 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
237 Hans-Peter Nilsson <hp@axis.com>
239 PR rtl-optimization/37889
240 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
241 Move offset handling from PLUS to before the switch. Use new
242 arguments when considering SYMBOL_REFs too.
243 (rtx_addr_can_trap_p): Pass dummy offset and size.
244 (enum may_trap_p_flags): Remove.
245 (may_trap_p_1): Pass size from MEM_SIZE.
247 PR rtl-optimization/38921
248 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
249 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
250 * rtlanal.c (may_trap_after_code_motion_p): Delete.
251 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
253 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
255 AVX Programming Reference (January, 2009)
256 * config/i386/sse.md (*vpclmulqdq): New.
258 2009-02-04 Jakub Jelinek <jakub@redhat.com>
260 PR tree-optimization/38977
261 PR gcov-profile/38292
262 * calls.c (special_function_p): Disregard __builtin_ prefix.
264 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
266 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
267 non-indexable addresses even before reload.
269 2009-02-03 Joseph Myers <joseph@codesourcery.com>
272 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
273 as having variable size. Do not give an error for unnamed
274 parameters with [*] declarators. Give a warning for type names
275 with [*] declarators and mark them as variable size.
276 * c-parser.c (c_parser_sizeof_expression): Do not give an error
277 for sizeof applied to [*] type names.
279 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
282 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
284 2009-02-03 Jakub Jelinek <jakub@redhat.com>
286 * gcc.c (process_command): Update copyright notice dates.
287 * gcov.c (print_version): Likewise.
288 * gcov-dump.c (print_version): Likewise.
289 * mips-tfile.c (main): Likewise.
290 * mips-tdump.c (main): Likewise.
292 2009-02-03 Joseph Myers <joseph@codesourcery.com>
295 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
296 for composite type involving a zero-length array type.
298 2009-02-03 Jakub Jelinek <jakub@redhat.com>
301 * function.c (match_asm_constraints_1): Skip over
302 initial optional % in the constraint.
305 * c-parser.c (c_parser_postfix_expression): If fixed point is not
306 supported, don't accept FIXED_CSTs.
307 * c-decl.c (finish_declspecs): Error if fixed point is not supported
308 and _Sat is used without _Fract/_Accum. Set specs->type to
309 integer_type_node for cts_fract/cts_accum if fixed point is not
312 2009-02-02 Catherine Moore <clm@codesourcery.com>
314 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
316 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
318 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
319 (ABI_HAS_64BIT_SYMBOLS): Use it.
320 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
322 2009-02-02 Paul Brook <paul@codesourcery.com>
324 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
326 2009-02-02 Jakub Jelinek <jakub@redhat.com>
329 * recog.h (asm_operand_ok): Add constraints argument.
330 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
331 recurse on matching constraint.
332 (check_asm_operands): Pass constraints as 3rd argument to
333 asm_operand_ok. Don't look up matching constraint here.
334 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
337 2009-02-02 Ben Elliston <bje@au.ibm.com>
339 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
340 TARGET_NARROW_VOLATILE_BITFIELD macro names.
342 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
344 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
345 information. Remove some obsolete information. Reorganize.
347 * config/pa/fptr.c: Revert license to GPL 2.
348 * config/pa/milli64.S: Likewise.
350 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
353 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
354 LIBRARY name in, instead of hard-coding it.
355 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
356 extra target make frag to tmake_files according to EH model.
357 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
358 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
359 frags that define makefile variable EH_MODEL appropriately.
360 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
361 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
362 to "-sjlj" according to type of EH configured.
363 (LIBGCC_SONAME): Concatenate it to shared library base name.
364 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
365 to "_sjlj" according to type of EH configured.
366 (LIBGCC_SONAME): Concatenate it to shared library base name.
367 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
368 (SHLIB_LINK): Add missing semicolon to if-else construct.
369 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
370 string value of "pe_dll" command-line option.
371 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
372 (SHLIB_SONAME): Use it when overriding t-cygming default.
373 (SHLIB_IMPLIB): Override t-cygming default.
374 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
375 string value of "pe_dll" command-line option.
377 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
380 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
381 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
383 2009-01-31 Richard Guenther <rguenther@suse.de>
385 PR tree-optimization/38937
386 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
387 computing the transitive closure.
389 2009-01-30 Richard Guenther <rguenther@suse.de>
391 PR tree-optimization/39041
392 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
393 Propagate variable indices only if the types match for this stmt.
395 2009-01-30 Jakub Jelinek <jakub@redhat.com>
398 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
399 inline but never defined.
401 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
403 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
404 (*insv_h_di_reg_extimm): New insn.
405 (*insv_l<mode>_reg_extimm): New insn.
407 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
409 * config/picochip/picochip.c (flag_conserve_stack): set
410 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
411 fconserve-stack. Reduce call-overhead used by inliner.
413 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
416 * common.opt (flag_conserve_stack): Initialised to zero.
418 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
421 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
422 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
425 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
427 * ira-color.c (allocno_reload_assign): Update comments.
428 * regmove.c (regmove_optimize): Likewise.
432 2009-01-29 Robert Millan <rmh@aybabtu.com>
434 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
435 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
437 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
439 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
441 PR tree-optimization/39007
442 * tree-loop-distribution.c (generate_builtin): Use
443 recompute_dominator to compute the immediate dominator of the
444 basic block just after the loop.
446 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
448 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
449 (ASM_OUTPUT_DWARF_PCREL): Define.
451 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
453 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
454 * doc/passes.texi: Remove entries about regclass, local-alloc, and
455 global. Modify entries about regmove and IRA.
457 * ra-conflict.c: Remove the file.
459 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
461 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
462 (pass_regclass_init): Rename to pass_reginfo_init.
464 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
466 * toplev.h (flag_ira): Remove.
468 * caller-save.c (setup_save_areas): Remove flag_ira.
470 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
472 * global.c: Remove the file.
474 * opts.c: (decode_options): Remove flag_ira.
476 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
478 * regmove.c: Modify file description.
479 (find_use_as_address, try_auto_increment): Define them only if
480 AUTO_INC_DEC is defined.
481 (replacement_quality, replace_in_call_usage, fixup_match_1,
482 stable_and_no_regs_but_for_p): Remove.
483 (reg_set_in_bb): Make it static.
484 (regmove_optimize): Remove flag_ira and code which worked for
487 * local-alloc.c: Remove the file.
489 * common.opt (fira): Remove.
491 * ira.c: Include except.h.
492 (eliminable_regset): Move from global.c.
493 (mark_elimination): Ditto. Remove flag_ira.
494 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
495 equiv_mem_modified, validate_equiv_mem_from_store,
496 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
497 contains_replace_regs, memref_referenced_p, memref_used_between_p,
498 no_equiv, recorded_label_ref): Move from local-alloc.c.
499 (update_equiv_regs): Ditto. Make it static.
500 (print_insn_chain, print_insn_chains): Move it from global.c.
501 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
502 (build_insn_chain): Ditto. Make it static.
503 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
504 Rename to init_live_subregs.
505 (gate_ira): Remove flag_ira.
507 * regclass.c: Rename reginfo.c. Change file description.
508 (FORBIDDEN_INC_DEC_CLASSES): Remove.
509 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
510 (init_reg_sets_1): Remove code for evaluation of
511 reg_class_superclasses and losing_caller_save_reg_set.
512 (init_regs): Remove init_reg_autoinc.
513 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
514 ok_for_base_p_nonstrict): Remove.
515 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
516 (pass_regclass_init): Rename to pass_reginfo_init. Modify
517 corresponding entries.
518 (dump_regclass, record_operand_costs, scan_one_insn,
519 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
520 record_address_regs, auto_inc_dec_reg_p): Remove.
521 (gt-regclass.h): Rename to gt-reginfo.h.
523 * rtl.h (dump_global_regs, retry_global_alloc,
524 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
526 * Makefile.in (RA_H): Remove.
527 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
528 Rename regclass.o to reginfo.o.
529 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
531 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
532 (GTFILES): Rename regclass.c to reginfo.c.
534 * passes.c (init_optimization_passes): Remove pass_local_alloc and
535 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
537 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
538 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
540 (finish_spills): Ditto. Remove code for !flga_ira.
542 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
545 * doc/invoke.texi (rtl debug options): Complete rewrite.
546 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
548 * mode-switching.c (pass_mode_switching): Rename pass from
549 "mode-sw" to "mode_sw".
550 * except.c (pass_convert_to_eh_ranges): Rename pass from
551 "eh-ranges" to "eh_ranges".
552 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
556 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
557 Alexander Monakov <amonakov@ispras.ru>
560 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
562 (move_exprs_to_boundary): Change return type and pass through
563 should_move from move_op. Relax assert. Update usage ...
564 (schedule_expr_on_boundary): ... here. Use should_move instead of
566 (move_op_orig_expr_found): Indicate that insn was disconnected from
568 (code_motion_process_successors): Do not call after_merge_succs
569 callback if original expression was not found when traversing any of
571 (code_motion_path_driver): Change return type. Update prototype.
572 (move_op): Update comment. Add a new parameter (should_move). Update
573 prototype. Set *should_move based on indication provided by
574 move_op_orig_expr_found.
576 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
578 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
579 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
580 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
581 * config/rs6000/rs6000.c (rs6000_override_options): Default
582 avoid-indexed-addresses on for Power6, off for everything else.
583 (avoiding_indexed_address_p): New function.
584 (rs6000_legitimize_address): Use it.
585 (rs6000_legitimate_address): Likewise.
586 * config/rs6000/rs6000.md (movXX_updateX): Likewise
588 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
590 PR tree-optimization/38997
591 * tree-loop-distribution.c (generate_memset_zero): Use
592 POINTER_PLUS_EXPR for a pointer addition.
594 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
596 * config/s390/s390.md (bswap<mode>2): New pattern added.
598 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
600 * config/s390/s390.md (*tls_load_31): Added type attribute.
602 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
604 * config/s390/s390.md: Fix a few comments.
606 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
608 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
609 (*tm<mode>_full): Fixed z10prop attribute.
610 (*tst<mode>_extimm): Fixed z10prop attribute.
611 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
612 (*tstqiCCT_cconly): Fixed z10prop attribute.
613 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
614 (*movsi_larl): Fixed z10prop attribute.
615 (*movsi_zarch): Fixed z10prop attribute.
616 (*movsi_eas): Fixed z10prop attribute.
617 (*movhi): Fixed z10prop attribute.
618 (*movqi): Fixed z10prop attribute.
619 (*movstrictqi): Fixed z10prop attribute.
620 (*mov<mode>): Fixed z10prop attribute.
621 (*movcc): Fixed z10prop attribute.
622 (*sethighpartdi_64): Fixed z10prop attribute.
623 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
624 (*negdi2_sign_cc): Fixed z10prop attribute.
625 (*negdi2_sign): Fixed z10prop attribute.
626 (*absdi2_sign_cc): Fixed z10prop attribute.
627 (*absdi2_sign): Fixed z10prop attribute.
628 (*negabsdi2_sign_cc): Fixed z10prop attribute.
629 (*negabsdi2_sign): Fixed z10prop attribute.
630 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
631 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
632 (doloop_si64): Fixed z10prop attribute.
633 (doloop_si31): Fixed z10prop attribute.
634 (doloop_long): Fixed z10prop attribute.
635 (indirect_jump): Fixed z10prop attribute.
636 (nop): Fixed z10prop attribute.
637 (main_base_64): Fixed z10prop attribute.
638 (reload_base_64): Fixed z10prop attribute.
640 2009-01-28 Jakub Jelinek <jakub@redhat.com>
642 PR rtl-optimization/38740
643 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize.
644 * config/mips/mips.c (mips_reorg): Likewise.
646 2009-01-28 Richard Guenther <rguenther@suse.de>
648 PR tree-optimization/38926
649 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
650 with the correct value id to a value.
651 (do_regular_insertion): Use the value number of edoubleprime
652 for the value number of the expr.
655 2008-08-21 Richard Guenther <rguenther@suse.de>
657 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
658 a PHI ask VN if it is already available.
659 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
660 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
662 2009-01-28 Jakub Jelinek <jakub@redhat.com>
665 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
666 set to varying whenever max has TREE_OVERFLOW set, similarly
667 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
669 2009-01-28 Richard Guenther <rguenther@suse.de>
672 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
673 uninitialized aggregate uses in call arguments.
675 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
677 PR tree-optimization/38984
678 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
679 the nothing_id variable if -fno-delete-null-pointer-checks.
681 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
684 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
685 (set_got_offset_rex64): Ditto.
687 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
690 * doc/extend.texi: Improve local variable with asm reg.
692 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
694 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
695 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
696 was not supplied then set warn_packed_bitfield_compat to the
698 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
701 2009-01-27 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/38503
704 * cfgexpand.c (expand_gimple_basic_block): Ignore
705 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
706 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
707 variables that cannot have TBAA applied.
708 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
711 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
714 * calls.c (initialize_argument_information): Do not wrap complex
715 arguments in SAVE_EXPR.
717 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
719 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
720 (INSTALL_LIBGCC): Revert typo commit.
722 2009-01-26 Richard Guenther <rguenther@suse.de>
724 PR tree-optimization/38745
725 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
726 from special handling.
728 2009-01-26 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/38745
731 * tree-ssa.c (execute_update_addresses_taken): Do not include
732 variables that cannot possibly be a register in not_reg_needs.
733 Do not clear TREE_ADDRESSABLE on vars that may not become
735 * tree-ssa.c (update_alias_info_1): Include those in the set
738 2009-01-26 Richard Guenther <rguenther@suse.de>
741 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
742 * tree-ssa-dse.c: Include langhooks.h
743 (execute_simple_dse): Remove stores with zero size.
745 2009-01-24 Jakub Jelinek <jakub@redhat.com>
748 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
751 2009-01-24 Julian Brown <julian@codesourcery.com>
753 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
754 config/arm/linux-atomic.c.
755 * config/arm/linux-atomic.c: New.
757 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
759 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
760 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
761 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
763 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
766 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
769 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
771 PR tree-optimization/38953
772 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
773 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
774 (gloog): Split the exit of the scop when the scop exit is a loop exit.
775 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
778 2009-01-24 Paul Brook <paul@codesourcery.com>
780 * config/arm/neon.md (neon_type): Move to arm.md.
781 (neon_mov<VSTRUCT>): Add neon_type attribute.
782 * config/arm/arm.md (neon_type): Move to here.
783 (conds): Add "unconditioal" and use as default for NEON insns.
785 2009-01-24 Ben Elliston <bje@au.ibm.com>
787 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
788 void *' warning from -Wc++-compat.
789 * Makefile.in (dominance.o-warn): Remove.
791 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
793 PR tree-optimization/38932
794 * fold-const.c (fold_unary_ignore_overflow): New.
795 * tree.h (fold_unary_ignore_overflow): Declare.
796 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
797 * tree-ssa-sccvn.c (visit_reference_op_load,
798 simplify_unary_expression): Likewise.
800 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
802 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
803 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
804 regardless of their type.
805 * c-common.c (handle_packed_attribute): Don't ignore packed on
807 * c.opt (Wpacked-bitfield-compat): New warning option.
808 * stor-layout.c (place_field): Warn if offset of a field changed.
809 * doc/extend.texi (packed): Mention the ABI change.
810 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
811 (Warning Options): Add it to the list.
813 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
815 * c-opts.c (c_common_post_options): Fix a typo in comments.
817 2009-01-22 Steve Ellcey <sje@cup.hp.com>
820 * gimplify.c (gimplify_init_constructor): Fix promotion of const
822 * doc/invoke.texi (-fmerge-all-constants): Update description.
824 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
827 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
828 (*movdi_1_rex64): Use type "mmx" for alternative 5.
830 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
832 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
834 (LOCAL_ALIGNMENT): Similarly.
836 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
837 Joseph Myers <joseph@codesourcery.com>
839 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
840 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
841 * config/arm/arm-tune.md: Regenerate.
842 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
845 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
847 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
848 version number to five.
850 2009-01-22 Dodji Seketeli <dodji@redhat.com>
853 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
854 * c-common.c (set_underlying_type): Likewise.
855 (is_typedef_decl ): Likewise
857 (set_underlying_type): Likewise.
858 (is_typedef_type): Likewise.
860 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
863 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
866 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
869 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
870 (LIBGCC_SPEC): Don't define.
871 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
873 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
875 PR rtl-optimization/38879
876 * alias.c (base_alias_check): Unaligned access via AND address can
877 alias all surrounding object types except those with sizes equal
878 or wider than the size of unaligned access.
880 2009-01-21 Dodji Seketeli <dodji@redhat.com>
883 * c-decl.c: (clone_underlying_type): Move this ...
884 * c-common.c (set_underlying_type): ... here.
885 Also, make sure the function properly sets TYPE_STUB_DECL() on
886 the newly created typedef variant type.
887 (is_typedef_decl ): New entry point.
888 * tree.h: Added a new member member_types_needing_access_check to
889 struct tree_decl_non_common.
890 (set_underlying_type): New entry point.
891 (is_typedef_type): Likewise.
893 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
895 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
896 Check whether two instructions have memory references that
897 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
898 are helper functions for traversing.
899 * alias.h (insn_alias_sets_confilict_p): New prototypes.
900 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
901 not to draw dependency edge for instructions with non-conflicting
904 2009-01-20 Joseph Myers <joseph@codesourcery.com>
907 * longlong.h: Update copyright years. Use soft-fp license
908 notice. Sync __clz_tab declaration with glibc.
910 2009-01-20 Steve Ellcey <sje@cup.hp.com>
913 * doc/extend.texi (syscall_linkage): New.
914 (version_id): Modify.
916 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
917 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/38747
920 PR tree-optimization/38748
921 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
922 conversion if the base address is an indirect reference and the
923 aliasing sets could cause issues.
925 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
927 * common.opt (fgraphite, fgraphite-identity): Add comment for
928 explaining why these options are not documented.
930 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
932 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
933 gimple_call_lhs is NULL.
935 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
938 * emit-rtl.c (adjust_address_1): Make sure memref is never
941 2009-01-20 Ben Elliston <bje@au.ibm.com>
943 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
944 const qualifier from arg parameter. Remove unnecessary cast to char *.
945 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
946 const qualifier from arg 2.
948 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
950 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
952 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
955 * rtl.h (reinit_regs): New prototype.
956 * regclass.c: Include ira.h.
958 * Makefile.in (regclass.o): Add ira.h.
959 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
961 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
964 * c-common.c (handle_aligned_attribute): Use
965 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
966 default alignment value.
968 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
970 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
971 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
973 * doc/extend.texi: Update __attribute__ ((aligned)). Document
974 __BIGGEST_ALIGNMENT__.
976 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
978 2009-01-18 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/38819
981 * tree-flow.h (operation_could_trap_helper_p): Declare.
982 * tree-eh.c (operation_could_trap_helper_p): Export.
983 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
984 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
985 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
986 are about to insert a possibly trapping instruction and fail
989 2009-01-18 Andreas Schwab <schwab@suse.de>
991 * doc/install.texi (Configuration): Remove obsolete paragraph
992 about use of --with-gnu-ld with --with-gnu-as.
994 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
996 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
997 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
998 Follow spelling conventions.
1000 2009-01-18 Ben Elliston <bje@au.ibm.com>
1002 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1003 C++ warning about implicit conversion from void * to struct
1005 (bitmap_obstack_free): Likewise for bitmap_element *.
1006 * Makefile.in (bitmap.o-warn): Remove.
1008 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1010 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1012 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1013 Tobias Grosser <tobi.grosser@amd.com>
1015 * graphite.c (graphite_trans_scop_block): Do not block single
1018 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1020 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1021 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1022 test with assertion.
1024 2009-01-16 Richard Guenther <rguenther@suse.de>
1026 PR tree-optimization/38835
1028 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1029 and INT + PTR -> (INT)(PTR p+ INT) folding.
1030 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1032 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1035 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1036 the subreg from a lowpart subreg if it is also casting the value.
1038 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1039 Tobias Grosser <tobi.grosser@amd.com>
1041 * graphite.c (compare_prefix_loops): New.
1042 (build_scop_canonical_schedules): Rewritten.
1043 (graphite_transform_loops): Move build_scop_canonical_schedules
1044 after build_scop_iteration_domain.
1046 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1047 Tobias Grosser <tobi.grosser@amd.com>
1049 * graphite.c (add_conditions_to_domain): Add the loops to
1050 the dimension of the iteration domain. Do copy the domain
1051 only when it exists.
1052 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1053 (add_conditions_to_constraints): New.
1054 (can_generate_code_stmt, can_generate_code): Removed.
1055 (gloog): Do not call can_generate_code.
1056 (graphite_transform_loops): Call add_conditions_to_constraints
1057 after building the iteration domain.
1059 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1061 PR tree-optimization/38789
1062 * tree-ssa-threadedge.c
1063 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1064 __builtin_constant_p.
1066 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1068 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1069 examined before deleting them.
1071 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1073 * function.c (aggregate_value_p): Correctly extract the function
1074 type from CALL_EXPR_FN lookup.
1076 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1078 * config/picochip/picochip.c (picochip_override_options): Revert
1079 CFI asm flag disable commited previously.
1081 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1082 Tobias Grosser <tobi.grosser@amd.com>
1083 Jan Sjodin <jan.sjodin@amd.com>
1085 * graphite.c (scan_tree_for_params): On substractions negate
1086 all the coefficients of the term.
1087 (clast_to_gcc_expression_red): New. Handle reduction expressions
1088 of more than two operands.
1089 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1090 (get_vdef_before_scop): Handle also the case of default definitions.
1092 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1094 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1095 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1096 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1098 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1099 Joey Ye <joey.ye@intel.com>
1102 * cfgexpand.c (expand_stack_alignment): Don't update stack
1103 boundary nor check incoming stack boundary here.
1104 (gimple_expand_cfg): Update stack boundary and check incoming
1105 stack boundary here.
1107 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1109 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1111 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1113 PR rtl-optimization/38245
1114 * calls.c (expand_call): Add stack arguments to
1115 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1116 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1117 in regs and partially in memory or BLKmode arguments.
1118 (emit_library_call_value_1): Add stack arguments to
1119 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1120 ACCUMULATE_OUTGOING_ARGS).
1121 * dce.c: Include tm_p.h.
1122 (find_call_stack_args): New function.
1123 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1125 (mark_insn): Call find_call_stack_args for CALL_Ps.
1126 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1127 forwards. Allocate and free arg_stores bitmap if needed, pass it
1128 down to deletable_insn_p, don't mark stores set in arg_stores
1129 bitmap, clear the bitmap at the beginning of each bb.
1130 * Makefile.in (dce.o): Depend on $(TM_P_H).
1132 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1135 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1136 to make sure the insn is a conditional test (bug 22599). Reformat a
1139 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1142 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1143 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1144 (gloog): Do not call cleanup_tree_cfg.
1145 (graphite_transform_loops): Call cleanup_tree_cfg after all
1146 scops have been code generated.
1148 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1149 * doc/gty.texi (Invoking the garbage collector): Added new node
1150 and section documenting ggc_collect.
1152 2009-01-14 Richard Guenther <rguenther@suse.de>
1154 PR tree-optimization/38826
1156 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1157 initialization notes only if we actually emitted a warning.
1158 (intra_create_variable_infos): Add constraints for a result decl
1159 that is passed by hidden reference.
1160 (build_pred_graph): Mark all related variables non-direct on
1163 2009-01-14 Nick Clifton <nickc@redhat.com>
1165 * ira-conflicts.c: Include addresses.h for the definition of
1167 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1168 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1170 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1173 * Makefile.in (ira-lives.o): Add except.h.
1175 * ira-lives.c: Include except.h.
1176 (process_bb_node_lives): Process can_throw_internal.
1178 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1180 PR rtl-optimization/38774
1181 * combine.c (simplify_set): When undoing cc_use change, don't do
1182 PUT_CODE on the newly created comparison, but instead put back the
1185 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1187 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1188 values. Remove duplicate arm8 entry.
1190 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1192 PR tree-optimization/38786
1193 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1194 the SSA_NAME case of expand_scalar_variables_expr.
1195 Set the type of an expression to the type of its assign statement.
1196 (expand_scalar_variables_expr): Also gather the scalar computation
1197 used to index the memory access. Do not pass loop_p.
1198 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1199 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1200 the gimple_stmt_iterator where it inserts new code.
1202 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1203 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1205 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1207 * graphite.h (debug_value): Removed.
1208 * graphite.c (debug_value): Removed.
1210 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1212 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1213 ldrd/strd with two 32-bit instructions.
1215 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1217 * config/arm/arm.c (struct processors): Pass for speed down into
1218 cost helper functions.
1219 (const_ok_for_op): Handle COMPARE and inequality nodes.
1220 (arm_rtx_costs_1): Rewrite.
1221 (arm_size_rtx_costs): Update prototype.
1222 (arm_rtx_costs): Pass speed down to helper functions.
1223 (arm_slowmul_rtx_costs): Rework cost calculations.
1224 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1225 (arm_9e_rtx_costs): Likewise.
1227 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1229 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1230 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1231 (alpha_legitimize_address): Do not split local symbols wider than
1232 UNITS_PER_WORD into HIGH/LO_SUM parts.
1234 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1237 * gcc.c (process_command): Replace call to execvp with calls
1238 to pex_one and exit.
1240 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1243 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1244 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1245 variant for devices with 3-byte PC.
1246 (__tablejump_elpm__) : New.
1248 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1251 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1252 offsetof member-designator, handle it as `[0].'.
1254 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1256 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1257 function when not using named sections on targets with named sections
1258 if branch distance is less than 262132.
1260 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1262 * combine.c (combine_instructions): Recompute
1263 optimize_this_for_speed_p for each BB in the main combine loop.
1265 2009-01-12 Tomas Bily <tbily@suse.cz>
1268 * tree-loop-distribution.c (prop_phis): New function.
1269 (generate_builtin): Call prop_phis.
1270 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1272 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1274 PR tree-optimization/38807
1275 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1276 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1278 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1280 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1281 subreg of op0 to the original op0.
1283 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1285 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1287 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1290 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1291 starting with digits.
1293 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1296 * config/arm/arm.c (arm_is_long_call_p): Don't call
1297 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1299 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1301 * regrename.c (regrename_optimize): Fix dumping.
1302 (find_oldest_value_reg): Preserve REG_POINTER.
1303 (copy_hardreg_forward_1): Likewise.
1305 2009-01-09 Diego Novillo <dnovillo@google.com>
1307 * gimple.h (struct gimple_statement_base) <uid>: Document
1308 the restrictions on its use.
1310 (gimple_set_uid): Tidy.
1312 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1314 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1315 zero guard even if align_bytes != 0 and count is smaller than
1318 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1320 PR rtl-optimization/38495
1321 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1322 (add_range_and_copies_from_move_list): Print all added ranges.
1323 Add ranges to memory optimized destination.
1325 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1329 * config/i386/i386.c (override_options): Reject
1330 -mstringop-strategy=rep_8byte with -m32.
1331 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1332 to 1. Do count comparison against epilogue_size_needed at compile
1333 time even when count_exp was constant forced into register. For
1334 size_needed don't jump to epilogue, instead just avoid aligning
1335 and invoke the body algorithm. If need_zero_guard, add zero guard
1336 even if count is non-zero, but smaller than size_needed + number of
1337 bytes that could be stored for alignment.
1338 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1339 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1340 but smaller than size_needed + number of bytes that could be stored
1341 for alignment. Compare size_needed with epilogue_size_needed instead
1342 of desired_align - align, don't adjust size_needed, pass
1343 epilogue_size_needed to the epilogue expanders.
1346 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1348 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1350 * pa.c (last_address): Change to unsigned.
1351 (update_total_code_bytes): Change argument to unsigned. Don't
1352 check if insn addresses are set.
1353 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1354 addresses are not set.
1355 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1357 2009-01-09 Nick Clifton <nickc@redhat.com>
1359 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1360 DECL_DECLARED_INLINE_P.
1362 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1365 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1366 GET_MODE (op0) in operand_subword_force calls.
1369 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1370 fold_convert arg0 operands to TREE_TYPE (op0) first.
1372 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1374 * params.def (ira-max-conflict-table-size): Decrease default value
1377 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1379 PR tree-optimization/37031
1380 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1382 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1383 allocate it using gc instead of heap, use VEC_quick_push instead of
1385 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1386 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1387 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1388 allocated vector from heap allocated.
1389 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1390 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1391 vector only after perfect_loop_nest_depth call.
1393 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1394 Jan Sjodin <jan.sjodin@amd.com>
1396 PR tree-optimization/38559
1397 * graphite.c (debug_value, copy_constraint,
1398 swap_constraint_variables, scale_constraint_variable, ): New.
1399 (get_lower_bound, get_upper_bound): Removed.
1400 (graphite_trans_bb_strip_mine): Clean up this code that works
1401 only for constant number of iterations. Fully copy upper and
1402 lower bound constraints, not only the constant part of them.
1403 * graphite.h (debug_value): Declared.
1405 2009-01-08 Ira Rosen <irar@il.ibm.com>
1407 PR tree-optimization/37194
1408 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1409 Don't add the cost of cost model guard in prologue to scalar
1410 outside cost in case of known number of iterations.
1412 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1413 Alan Modra <amodra@bigpond.net.au>
1415 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1416 non-word-aligned REG+CONST addressing.
1418 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1421 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1422 free_after_compilation when outputting a thunk.
1423 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1424 Do not call free_after_compilation here.
1426 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1428 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1429 (ix86_valid_target_attribute_inner_p): Ditto.
1431 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1433 PR tree-optimization/38492
1434 PR tree-optimization/38498
1435 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1436 * tree-chrec.h (scev_is_linear_expression): Declared.
1437 * graphite.c (graphite_cannot_represent_loop_niter): New.
1438 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1439 (graphite_loop_normal_form): Use gcc_assert.
1440 (scan_tree_for_params): Use CASE_CONVERT.
1441 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1442 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1443 Use gcc_assert. Discard scops that contain unhandled cases.
1444 (build_scop_conditions): Return a boolean status for unhandled cases.
1445 (strip_mine_profitable_p): Print the loop number, not its depth.
1446 (is_interchange_valid): Pass the depth of the loop nest, don't
1447 recompute it wrongly.
1448 (graphite_trans_bb_block): Same.
1449 (graphite_trans_bb_block): Print tentative of loop blocking.
1450 (graphite_trans_scop_block): Do not print that the loop has been
1452 (graphite_transform_loops): Do not handle scops that contain condition
1455 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1457 AVX Programming Reference (December, 2008)
1458 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1459 (_mm256_stream_pd): Likewise.
1460 (_mm256_stream_ps): Likewise.
1462 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1463 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1464 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1465 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1466 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1467 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1468 (ix86_expand_special_args_builtin): Likewise.
1470 * config/i386/sse.md (AVXMODEDI): New.
1471 (avx_movnt<mode>): Likewise.
1472 (avx_movnt<mode>): Likewise.
1473 (<sse>_movnt<mode>): Remove AVX support.
1474 (sse2_movntv2di): Likewise.
1476 2009-01-07 Richard Guenther <rguenther@suse.de>
1479 * fold-const.c (extract_muldiv): Remove obsolete comment.
1480 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1481 to PLUS_EXPR canonicalization for the canonicalization.
1483 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1485 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1486 hosted cross-compilers generating less efficient code.
1488 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1490 * function.h (rtl_data): Add a dbr_scheduled_p field.
1491 * reorg.c (dbr_schedule): Set it.
1492 (gate_handle_delay_slots): Check it.
1493 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1494 (mips_reorg): Check flag_delayed_branch instead of
1495 mips_base_delayed_branch.
1496 (mips_override_options): Don't set mips_base_delayed_branch
1497 or flag_delayed_branch.
1499 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1501 PR rtl-optimization/38426.
1502 * ira.c (ira): Set current_function_is_leaf earlier.
1504 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1506 PR rtl-optimization/38722
1507 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1508 too early, only set a flag and modify after last possible
1511 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1514 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1515 * real.c (decimal_single_format): Correct values of emin and emax.
1516 (decimal_double_format): Ditto.
1517 (decimal_quad_format): Ditto.
1518 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1519 computation of DECnn_MIN and DECnn_MAX for corrected values of
1520 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1521 __DECnn_MIN__, and adjust its computation for the corrected value
1524 2009-01-06 Jan Hubicka <jh@suse.cz>
1527 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1529 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1531 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1532 Add Robert Clark to the list of testers.
1534 2009-01-06 Jan Hubicka <jh@suse.cz>
1535 Kai Tietz <kai.tietz@onevision.com>
1537 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1538 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1540 2009-01-06 Jan Hubicka <jh@suse.cz>
1541 Kai Tietz <kai.tietz@onevision.com>
1543 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1545 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1546 (ix86_nsaved_regs): Count only general purpose regs.
1547 (ix86_nsaved_sseregs): New.
1548 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1549 to 16 for w64; compute padding and size of sse reg save area.
1550 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1551 general purpose regs.
1552 (ix86_emit_save_sse_regs_using_mov): New.
1553 (ix86_expand_prologue): Save SSE regs if needed.
1554 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1555 (ix86_emit_restore_sse_regs_using_mov): New.
1556 (ix86_expand_epilogue): Save SSE regs if needed.
1558 2009-01-06 Jan Hubicka <jh@suse.cz>
1559 Kai Tietz <kai.tietz@onevision.com>
1561 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1562 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1563 functions when accumulate outgoing args is off.
1565 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1568 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1569 before using pseudos_have_intersected_live_ranges_p.
1571 * ira-int.h (ira_assert): Always define.
1573 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1575 AVX Programming Reference (December, 2008)
1576 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1577 (_mm256_permute2_pd): Likewise.
1578 (_mm_permute2_ps): Likewise.
1579 (_mm256_permute2_ps): Likewise.
1580 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1581 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1583 * config/i386/i386.c (ix86_builtins): Remove
1584 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1585 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1586 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1587 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1588 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1589 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1590 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1591 __builtin_ia32_vpermil2ps256.
1592 (ix86_init_mmx_sse_builtins): Updated.
1593 (ix86_expand_args_builtin): Likewise.
1595 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1597 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1598 long absolute calls when generating PA 2.0 code.
1600 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1602 PR rtl-optimization/38583
1603 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1605 * params.def (ira-max-conflict-table-size): New.
1607 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1609 * ira.h (ira_conflicts_p): New external definition.
1611 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1612 table. Report this. Return result of building.
1613 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1614 building conflict table.
1616 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1617 (ira_color): Use ira_conflicts_p.
1619 * global.c: Include ira.h.
1620 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1623 * Makefile.in (global.o): Add ira.h.
1625 * ira-build.c (mark_all_loops_for_removal,
1626 propagate_some_info_from_allocno): New.
1627 (remove_unnecessary_allocnos): Call
1628 propagate_some_info_from_allocno.
1629 (remove_low_level_allocnos): New.
1630 (remove_unnecessary_regions): Add parameter. Call
1631 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1632 parameter to remove_unnecessary_regions.
1633 (ira_build): Remove all regions but root if the conflict table was
1634 not built. Update conflict hard regs for allocnos crossing calls.
1636 * ira.c (ira_conflicts_p): New global.
1637 (ira): Define and use ira_conflicts_p.
1639 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1640 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1641 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1643 2009-01-06 Ben Elliston <bje@au.ibm.com>
1645 * gengtype-lex.l (YY_NO_INPUT): Define.
1647 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1650 * c-common.c (handle_vector_size_attribute): Also reject
1653 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1655 PR tree-optimization/38492
1656 * graphite.c (rename_map_elt, debug_rename_elt,
1657 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1658 rename_map_elt_info, eq_rename_map_elts,
1659 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1660 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1661 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1662 (sese_build_livein_liveouts): New.
1663 (new_sese, free_sese): New.
1664 (new_scop): Call new_sese.
1665 (free_scop): Call free_sese.
1666 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1667 (register_old_new_names): Renamed register_old_and_new_names.
1668 (register_scop_liveout_renames, add_loop_exit_phis,
1669 insert_loop_close_phis, struct igp,
1670 default_liveout_before_guard, add_guard_exit_phis,
1671 insert_guard_phis, copy_renames): New.
1672 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1673 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1674 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1675 (scop_adjust_phis_for_liveouts): New.
1676 (gloog): Call scop_adjust_phis_for_liveouts.
1678 * graphite.h (struct sese): Documented. Added fields liveout,
1680 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1681 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1682 (struct scop): Added field liveout_renames.
1683 (SCOP_LIVEOUT_RENAMES): New.
1685 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1687 PR tree-optimization/38510
1688 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1689 (translate_clast): Call recompute_all_dominators before
1691 (gloog): Call recompute_all_dominators before graphite_verify.
1693 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1694 Jan Sjodin <jan.sjodin@amd.com>
1696 PR tree-optimization/38500
1697 * graphite.c (create_sese_edges): Call fix_loop_structure after
1700 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1702 * config.gcc: Add m32r*-*-rtems*.
1703 * config/m32r/rtems.h: New file.
1705 2009-01-05 Ben Elliston <bje@au.ibm.com>
1707 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1708 (.po.pox): Likewise.
1709 (po/gcc.pot): Likewise.
1711 2009-01-04 David S. Miller <davem@davemloft.net>
1713 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1714 (STARTING_FRAME_OFFSET): Always set to zero.
1716 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1718 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1719 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1720 fixed-point types, and vectors of the same.
1722 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1724 * config/mips/sync.md (*mb_barrier): Rename to...
1725 (*memory_barrier): ...this.
1727 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1729 * doc/extend.texi (Function Attributes): Move @cindex after @item
1730 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1731 and put in alphabetical order. Fix 'target' name and put in order.
1732 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1735 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1737 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1738 (memory_barrier): Expand as unspec instead of unspec_volatile.
1739 Remove mem:BLK from insn operands. Use Pmode scratch register.
1740 (*memory_barrier): Define as unspec instead of unspec_volatile.
1741 Use (match_dup 0) as input operand.
1743 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1744 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1745 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1746 scratch register. Remove operand 1.
1747 (*stbar): Define as unspec instead of unspec_volatile.
1748 Use (match_dup 0) as input operand, remove (const_int 8).
1749 (*membar): Define as unspec instead of unspec_volatile.
1750 Use (match_dup 0) as input operand, remove input operand 2.
1752 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1753 (memory_barrier): Expand as unspec instead of unspec_volatile.
1754 Remove mem:BLK from insn operands. Use Pmode scratch register.
1755 (*memory_barrier): Define as unspec instead of unspec_volatile.
1756 Use (match_dup 0) as input operand.
1758 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1759 Remove mem:BLK from insn operands. Use Pmode scratch register.
1760 Set volatile flag on operand 0.
1761 (*memory_barrier): New insn pattern.
1763 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1765 (*memory_barrier): Use (match_dup 0) as input operand.
1767 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1768 Remove mem:BLK from insn operands. Use Pmode scratch register.
1769 Set volatile flag on operand 0.
1770 (*mb_internal): New insn pattern.
1772 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1774 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1777 * function.c (struct temp_slot): Move to the section of the file
1778 that deals with temp slots. Remove field 'address'.
1779 (temp_slot_address_table): New hash table of address -> temp slot.
1780 (struct temp_slot_address_entry): New struct, items for the table.
1781 (temp_slot_address_compute_hash, temp_slot_address_hash,
1782 temp_slot_address_eq, insert_temp_slot_address): Support functions
1784 (find_temp_slot_from_address): Rewrite to use the new hash table.
1785 (remove_unused_temp_slot_addresses): Remove addresses of temp
1786 slots that have been made available.
1787 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1788 worker function for remove_unused_temp_slot_addresses.
1789 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1790 Add the temp slot address to the address -> temp slot map.
1791 (update_temp_slot_address): Update via insert_temp_slot_address.
1792 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1793 (pop_temp_slots): Likewise.
1794 (init_temp_slots): Allocate the address -> temp slot map, or empty
1795 the map if it is already allocated.
1796 (prepare_function_start): Initialize temp slot processing.
1798 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1801 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1802 Calculate the size of all stack vars assuming no packing of stack
1803 vars will happen, replacing a quadratic algorithm with a linear one.
1805 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1808 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1811 2009-01-03 Diego Novillo <dnovillo@google.com>
1813 * doc/contrib.texi: Update contributions.
1815 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1818 * builtins.c (fold_builtin_memory_op): Give up if either operand
1819 is volatile. Set srctype or desttype to non-qualified version
1823 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1826 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1828 PR rtl-optimization/35805
1829 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1830 problem if fast dce is able to remove any instructions.
1831 * dce.c (dce_process_block): Fix dump message.
1833 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1836 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1838 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1841 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1842 * tree-pretty-print.c (op_code_prio): New function.
1843 (op_prio): No longer static. Use op_code_prio.
1844 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1845 Use op_prio and op_code_prio to determine if () should be
1846 printed around operand(s) or not.
1848 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1849 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1850 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1851 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1852 pp_character instead of pp_string for single letter printing.
1854 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1856 * doc/extend.texi: Fix '#pragma GCC option' typo.
1858 2009-01-02 Richard Guenther <rguenther@suse.de>
1860 * doc/install.texi (--enable-checking): Mention different
1862 (--enable-stage1-checking): Document.
1864 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1867 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1868 case to be an error.
1870 2009-01-02 Ben Elliston <bje@au.ibm.com>
1872 * config/fp-bit.h (pack_d): Constify argument.
1873 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1874 (isnan): Constify argument.
1878 (_fpadd_parts): Constify return type.
1879 (_fpmul_parts): Likewise.
1880 (_fpdiv_parts): Likewise.
1882 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1885 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1886 warn about overwriting initializer with side-effects or
1887 -Woverride-init if !IMPLICIT.
1888 (output_init_element): Likewise. Pass IMPLICIT down to
1890 (process_init_element): Add IMPLICIT argument. Pass it down
1891 to output_init_element.
1892 (push_init_element, pop_init_level, set_designator): Adjust
1893 process_init_element callers.
1894 (set_nonincremental_init, set_nonincremental_init_from_string):
1895 Adjust add_pending_init callers.
1896 (output_pending_init_elements): Adjust output_init_element callers.
1897 * c-tree.h (process_init_element): Adjust prototype.
1898 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1899 process_init_element callers.