1 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4 (ABI_HAS_64BIT_SYMBOLS): Use it.
5 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
7 2009-02-02 Paul Brook <paul@codesourcery.com>
9 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
11 2009-02-02 Jakub Jelinek <jakub@redhat.com>
14 * recog.h (asm_operand_ok): Add constraints argument.
15 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
16 recurse on matching constraint.
17 (check_asm_operands): Pass constraints as 3rd argument to
18 asm_operand_ok. Don't look up matching constraint here.
19 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
22 2009-02-02 Ben Elliston <bje@au.ibm.com>
24 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
25 TARGET_NARROW_VOLATILE_BITFIELD macro names.
27 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
29 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
30 information. Remove some obsolete information. Reorganize.
32 * config/pa/fptr.c: Revert license to GPL 2.
33 * config/pa/milli64.S: Likewise.
35 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
38 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
39 LIBRARY name in, instead of hard-coding it.
40 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
41 extra target make frag to tmake_files according to EH model.
42 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
43 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
44 frags that define makefile variable EH_MODEL appropriately.
45 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
46 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
47 to "-sjlj" according to type of EH configured.
48 (LIBGCC_SONAME): Concatenate it to shared library base name.
49 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
50 to "_sjlj" according to type of EH configured.
51 (LIBGCC_SONAME): Concatenate it to shared library base name.
52 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
53 (SHLIB_LINK): Add missing semicolon to if-else construct.
54 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
55 string value of "pe_dll" command-line option.
56 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
57 (SHLIB_SONAME): Use it when overriding t-cygming default.
58 (SHLIB_IMPLIB): Override t-cygming default.
59 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
60 string value of "pe_dll" command-line option.
62 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
65 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
66 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point
69 2009-01-31 Richard Guenther <rguenther@suse.de>
71 PR tree-optimization/38937
72 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
73 computing the transitive closure.
75 2009-01-30 Richard Guenther <rguenther@suse.de>
77 PR tree-optimization/39041
78 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
79 Propagate variable indices only if the types match for this stmt.
81 2009-01-30 Jakub Jelinek <jakub@redhat.com>
84 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
85 inline but never defined.
87 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
89 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
90 (*insv_h_di_reg_extimm): New insn.
91 (*insv_l<mode>_reg_extimm): New insn.
93 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
95 * config/picochip/picochip.c (flag_conserve_stack): set
96 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
97 fconserve-stack. Reduce call-overhead used by inliner.
99 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
102 * common.opt (flag_conserve_stack): Initialised to zero.
104 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
107 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
108 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
111 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
113 * ira-color.c (allocno_reload_assign): Update comments.
114 * regmove.c (regmove_optimize): Likewise.
118 2009-01-29 Robert Millan <rmh@aybabtu.com>
120 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
121 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
123 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
125 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
127 PR tree-optimization/39007
128 * tree-loop-distribution.c (generate_builtin): Use
129 recompute_dominator to compute the immediate dominator of the
130 basic block just after the loop.
132 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
134 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
135 (ASM_OUTPUT_DWARF_PCREL): Define.
137 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
139 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
140 * doc/passes.texi: Remove entries about regclass, local-alloc, and
141 global. Modify entries about regmove and IRA.
143 * ra-conflict.c: Remove the file.
145 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
147 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
148 (pass_regclass_init): Rename to pass_reginfo_init.
150 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
152 * toplev.h (flag_ira): Remove.
154 * caller-save.c (setup_save_areas): Remove flag_ira.
156 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
159 * global.c: Remove the file.
161 * opts.c: (decode_options): Remove flag_ira.
163 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
165 * regmove.c: Modify file description.
166 (find_use_as_address, try_auto_increment): Define them only if
167 AUTO_INC_DEC is defined.
168 (replacement_quality, replace_in_call_usage, fixup_match_1,
169 stable_and_no_regs_but_for_p): Remove.
170 (reg_set_in_bb): Make it static.
171 (regmove_optimize): Remove flag_ira and code which worked for
174 * local-alloc.c: Remove the file.
176 * common.opt (fira): Remove.
178 * ira.c: Include except.h.
179 (eliminable_regset): Move from global.c.
180 (mark_elimination): Ditto. Remove flag_ira.
181 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
182 equiv_mem_modified, validate_equiv_mem_from_store,
183 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
184 contains_replace_regs, memref_referenced_p, memref_used_between_p,
185 no_equiv, recorded_label_ref): Move from local-alloc.c.
186 (update_equiv_regs): Ditto. Make it static.
187 (print_insn_chain, print_insn_chains): Move it from global.c.
188 pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
189 (build_insn_chain): Ditto. Make it static.
190 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
191 Rename to init_live_subregs.
192 (gate_ira): Remove flag_ira.
194 * regclass.c: Rename reginfo.c. Change file description.
195 (FORBIDDEN_INC_DEC_CLASSES): Remove.
196 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
198 (init_reg_sets_1): Remove code for evaluation of
199 reg_class_superclasses and losing_caller_save_reg_set.
200 (init_regs): Remove init_reg_autoinc.
201 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
202 ok_for_base_p_nonstrict): Remove.
203 (regclass_init): Rename to reginfo_init. Don't initialize
205 (pass_regclass_init): Rename to pass_reginfo_init. Modify
206 corresponding entries.
207 (dump_regclass, record_operand_costs, scan_one_insn,
208 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
209 record_address_regs, auto_inc_dec_reg_p): Remove.
210 (gt-regclass.h): Rename to gt-reginfo.h.
212 * rtl.h (dump_global_regs, retry_global_alloc,
213 build_insn_chain, dump_local_alloc, update_equiv_regs):
216 * Makefile.in (RA_H): Remove.
217 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
218 Rename regclass.o to reginfo.o.
219 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
221 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
222 (GTFILES): Rename regclass.c to reginfo.c.
224 * passes.c (init_optimization_passes): Remove pass_local_alloc and
225 pass_global_alloc. Rename pass_regclass_init to
228 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
229 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
231 (finish_spills): Ditto. Remove code for !flga_ira.
233 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
236 * doc/invoke.texi (rtl debug options): Complete rewrite.
237 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
239 * mode-switching.c (pass_mode_switching): Rename pass from
240 "mode-sw" to "mode_sw".
241 * except.c (pass_convert_to_eh_ranges): Rename pass from
242 "eh-ranges" to "eh_ranges".
243 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
247 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
248 Alexander Monakov <amonakov@ispras.ru>
251 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
253 (move_exprs_to_boundary): Change return type and pass through
254 should_move from move_op. Relax assert. Update usage ...
255 (schedule_expr_on_boundary): ... here. Use should_move instead of
257 (move_op_orig_expr_found): Indicate that insn was disconnected from
259 (code_motion_process_successors): Do not call after_merge_succs
260 callback if original expression was not found when traversing any of
262 (code_motion_path_driver): Change return type. Update prototype.
263 (move_op): Update comment. Add a new parameter (should_move). Update
264 prototype. Set *should_move based on indication provided by
265 move_op_orig_expr_found.
267 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
269 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
270 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
271 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
272 * config/rs6000/rs6000.c (rs6000_override_options): Default
273 avoid-indexed-addresses on for Power6, off for everything else.
274 (avoiding_indexed_address_p): New function.
275 (rs6000_legitimize_address): Use it.
276 (rs6000_legitimate_address): Likewise.
277 * config/rs6000/rs6000.md (movXX_updateX): Likewise
279 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
281 PR tree-optimization/38997
282 * tree-loop-distribution.c (generate_memset_zero): Use
283 POINTER_PLUS_EXPR for a pointer addition.
285 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
287 * config/s390/s390.md (bswap<mode>2): New pattern added.
289 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
291 * config/s390/s390.md (*tls_load_31): Added type attribute.
293 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
295 * config/s390/s390.md: Fix a few comments.
297 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
299 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
300 (*tm<mode>_full): Fixed z10prop attribute.
301 (*tst<mode>_extimm): Fixed z10prop attribute.
302 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
303 (*tstqiCCT_cconly): Fixed z10prop attribute.
304 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
305 (*movsi_larl): Fixed z10prop attribute.
306 (*movsi_zarch): Fixed z10prop attribute.
307 (*movsi_eas): Fixed z10prop attribute.
308 (*movhi): Fixed z10prop attribute.
309 (*movqi): Fixed z10prop attribute.
310 (*movstrictqi): Fixed z10prop attribute.
311 (*mov<mode>): Fixed z10prop attribute.
312 (*movcc): Fixed z10prop attribute.
313 (*sethighpartdi_64): Fixed z10prop attribute.
314 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
315 (*negdi2_sign_cc): Fixed z10prop attribute.
316 (*negdi2_sign): Fixed z10prop attribute.
317 (*absdi2_sign_cc): Fixed z10prop attribute.
318 (*absdi2_sign): Fixed z10prop attribute.
319 (*negabsdi2_sign_cc): Fixed z10prop attribute.
320 (*negabsdi2_sign): Fixed z10prop attribute.
321 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
322 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
323 (doloop_si64): Fixed z10prop attribute.
324 (doloop_si31): Fixed z10prop attribute.
325 (doloop_long): Fixed z10prop attribute.
326 (indirect_jump): Fixed z10prop attribute.
327 (nop): Fixed z10prop attribute.
328 (main_base_64): Fixed z10prop attribute.
329 (reload_base_64): Fixed z10prop attribute.
331 2009-01-28 Jakub Jelinek <jakub@redhat.com>
333 PR rtl-optimization/38740
334 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
336 * config/mips/mips.c (mips_reorg): Likewise.
338 2009-01-28 Richard Guenther <rguenther@suse.de>
340 PR tree-optimization/38926
341 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
342 with the correct value id to a value.
343 (do_regular_insertion): Use the value number of edoubleprime
344 for the value number of the expr.
347 2008-08-21 Richard Guenther <rguenther@suse.de>
349 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
350 a PHI ask VN if it is already available.
351 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
352 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
354 2009-01-28 Jakub Jelinek <jakub@redhat.com>
357 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
358 set to varying whenever max has TREE_OVERFLOW set, similarly
359 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
361 2009-01-28 Richard Guenther <rguenther@suse.de>
364 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
365 uninitialized aggregate uses in call arguments.
367 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
369 PR tree-optimization/38984
370 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
371 the nothing_id variable if -fno-delete-null-pointer-checks.
373 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
376 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
377 (set_got_offset_rex64): Ditto.
379 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
382 * doc/extend.texi: Improve local variable with asm reg.
384 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
386 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
387 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
388 was not supplied then set warn_packed_bitfield_compat to the
390 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
393 2009-01-27 Richard Guenther <rguenther@suse.de>
395 PR tree-optimization/38503
396 * cfgexpand.c (expand_gimple_basic_block): Ignore
397 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
398 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
399 variables that cannot have TBAA applied.
400 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
403 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
406 * calls.c (initialize_argument_information): Do not wrap complex
407 arguments in SAVE_EXPR.
409 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
411 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
412 (INSTALL_LIBGCC): Revert typo commit.
414 2009-01-26 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/38745
417 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
418 from special handling.
420 2009-01-26 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/38745
423 * tree-ssa.c (execute_update_addresses_taken): Do not include
424 variables that cannot possibly be a register in not_reg_needs.
425 Do not clear TREE_ADDRESSABLE on vars that may not become
427 * tree-ssa.c (update_alias_info_1): Include those in the set
430 2009-01-26 Richard Guenther <rguenther@suse.de>
433 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
434 * tree-ssa-dse.c: Include langhooks.h
435 (execute_simple_dse): Remove stores with zero size.
437 2009-01-24 Jakub Jelinek <jakub@redhat.com>
440 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
443 2009-01-24 Julian Brown <julian@codesourcery.com>
445 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
446 config/arm/linux-atomic.c.
447 * config/arm/linux-atomic.c: New.
449 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
451 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
452 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
453 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
455 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
458 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
461 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
463 PR tree-optimization/38953
464 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
465 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
466 (gloog): Split the exit of the scop when the scop exit is a loop exit.
467 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
470 2009-01-24 Paul Brook <paul@codesourcery.com>
472 * config/arm/neon.md (neon_type): Move to arm.md.
473 (neon_mov<VSTRUCT>): Add neon_type attribute.
474 * config/arm/arm.md (neon_type): Move to here.
475 (conds): Add "unconditioal" and use as default for NEON insns.
477 2009-01-24 Ben Elliston <bje@au.ibm.com>
479 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
480 void *' warning from -Wc++-compat.
481 * Makefile.in (dominance.o-warn): Remove.
483 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
485 PR tree-optimization/38932
486 * fold-const.c (fold_unary_ignore_overflow): New.
487 * tree.h (fold_unary_ignore_overflow): Declare.
488 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
489 * tree-ssa-sccvn.c (visit_reference_op_load,
490 simplify_unary_expression): Likewise.
492 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
494 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
495 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
496 regardless of their type.
497 * c-common.c (handle_packed_attribute): Don't ignore packed on
499 * c.opt (Wpacked-bitfield-compat): New warning option.
500 * stor-layout.c (place_field): Warn if offset of a field changed.
501 * doc/extend.texi (packed): Mention the ABI change.
502 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
503 (Warning Options): Add it to the list.
505 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
507 * c-opts.c (c_common_post_options): Fix a typo in comments.
509 2009-01-22 Steve Ellcey <sje@cup.hp.com>
512 * gimplify.c (gimplify_init_constructor): Fix promotion of const
514 * doc/invoke.texi (-fmerge-all-constants): Update description.
516 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
519 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
520 (*movdi_1_rex64): Use type "mmx" for alternative 5.
522 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
524 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
526 (LOCAL_ALIGNMENT): Similarly.
528 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
529 Joseph Myers <joseph@codesourcery.com>
531 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
532 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
533 * config/arm/arm-tune.md: Regenerate.
534 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
537 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
539 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
540 version number to five.
542 2009-01-22 Dodji Seketeli <dodji@redhat.com>
545 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
546 * c-common.c (set_underlying_type): Likewise.
547 (is_typedef_decl ): Likewise
549 (set_underlying_type): Likewise.
550 (is_typedef_type): Likewise.
552 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
555 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
558 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
561 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
562 (LIBGCC_SPEC): Don't define.
563 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
565 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
567 PR rtl-optimization/38879
568 * alias.c (base_alias_check): Unaligned access via AND address can
569 alias all surrounding object types except those with sizes equal
570 or wider than the size of unaligned access.
572 2009-01-21 Dodji Seketeli <dodji@redhat.com>
575 * c-decl.c: (clone_underlying_type): Move this ...
576 * c-common.c (set_underlying_type): ... here.
577 Also, make sure the function properly sets TYPE_STUB_DECL() on
578 the newly created typedef variant type.
579 (is_typedef_decl ): New entry point.
580 * tree.h: Added a new member member_types_needing_access_check to
581 struct tree_decl_non_common.
582 (set_underlying_type): New entry point.
583 (is_typedef_type): Likewise.
585 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
587 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
588 Check whether two instructions have memory references that
589 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
590 are helper functions for traversing.
591 * alias.h (insn_alias_sets_confilict_p): New prototypes.
592 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
593 not to draw dependency edge for instructions with non-conflicting
596 2009-01-20 Joseph Myers <joseph@codesourcery.com>
599 * longlong.h: Update copyright years. Use soft-fp license
600 notice. Sync __clz_tab declaration with glibc.
602 2009-01-20 Steve Ellcey <sje@cup.hp.com>
605 * doc/extend.texi (syscall_linkage): New.
606 (version_id): Modify.
608 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
609 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/38747
612 PR tree-optimization/38748
613 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
614 conversion if the base address is an indirect reference and the
615 aliasing sets could cause issues.
617 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
619 * common.opt (fgraphite, fgraphite-identity): Add comment for
620 explaining why these options are not documented.
622 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
624 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
625 gimple_call_lhs is NULL.
627 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
630 * emit-rtl.c (adjust_address_1): Make sure memref is never
633 2009-01-20 Ben Elliston <bje@au.ibm.com>
635 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
636 const qualifier from arg parameter. Remove unnecessary cast to char *.
637 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
638 const qualifier from arg 2.
640 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
642 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
644 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
647 * rtl.h (reinit_regs): New prototype.
648 * regclass.c: Include ira.h.
650 * Makefile.in (regclass.o): Add ira.h.
651 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
653 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
656 * c-common.c (handle_aligned_attribute): Use
657 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
658 default alignment value.
660 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
662 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
663 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
665 * doc/extend.texi: Update __attribute__ ((aligned)). Document
666 __BIGGEST_ALIGNMENT__.
668 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
670 2009-01-18 Richard Guenther <rguenther@suse.de>
672 PR tree-optimization/38819
673 * tree-flow.h (operation_could_trap_helper_p): Declare.
674 * tree-eh.c (operation_could_trap_helper_p): Export.
675 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
676 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
677 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
678 are about to insert a possibly trapping instruction and fail
681 2009-01-18 Andreas Schwab <schwab@suse.de>
683 * doc/install.texi (Configuration): Remove obsolete paragraph
684 about use of --with-gnu-ld with --with-gnu-as.
686 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
688 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
689 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
690 Follow spelling conventions.
692 2009-01-18 Ben Elliston <bje@au.ibm.com>
694 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
695 C++ warning about implicit conversion from void * to struct
697 (bitmap_obstack_free): Likewise for bitmap_element *.
698 * Makefile.in (bitmap.o-warn): Remove.
700 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
702 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
704 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
705 Tobias Grosser <tobi.grosser@amd.com>
707 * graphite.c (graphite_trans_scop_block): Do not block single
710 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
712 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
713 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
716 2009-01-16 Richard Guenther <rguenther@suse.de>
718 PR tree-optimization/38835
720 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
721 and INT + PTR -> (INT)(PTR p+ INT) folding.
722 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
724 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
727 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
728 the subreg from a lowpart subreg if it is also casting the value.
730 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
731 Tobias Grosser <tobi.grosser@amd.com>
733 * graphite.c (compare_prefix_loops): New.
734 (build_scop_canonical_schedules): Rewritten.
735 (graphite_transform_loops): Move build_scop_canonical_schedules
736 after build_scop_iteration_domain.
738 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
739 Tobias Grosser <tobi.grosser@amd.com>
741 * graphite.c (add_conditions_to_domain): Add the loops to
742 the dimension of the iteration domain. Do copy the domain
744 (build_scop_conditions_1): Do not call add_conditions_to_domain.
745 (add_conditions_to_constraints): New.
746 (can_generate_code_stmt, can_generate_code): Removed.
747 (gloog): Do not call can_generate_code.
748 (graphite_transform_loops): Call add_conditions_to_constraints
749 after building the iteration domain.
751 2009-01-16 Jakub Jelinek <jakub@redhat.com>
753 PR tree-optimization/38789
754 * tree-ssa-threadedge.c
755 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
756 __builtin_constant_p.
758 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
760 * dce.c (delete_unmarked_insns): Reversed the order that insns are
761 examined before deleting them.
763 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
765 * function.c (aggregate_value_p): Correctly extract the function
766 type from CALL_EXPR_FN lookup.
768 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
770 * config/picochip/picochip.c (picochip_override_options): Revert
771 CFI asm flag disable commited previously.
773 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
774 Tobias Grosser <tobi.grosser@amd.com>
775 Jan Sjodin <jan.sjodin@amd.com>
777 * graphite.c (scan_tree_for_params): On substractions negate
778 all the coefficients of the term.
779 (clast_to_gcc_expression_red): New. Handle reduction expressions
780 of more than two operands.
781 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
782 (get_vdef_before_scop): Handle also the case of default definitions.
784 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
786 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
787 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
788 Also use them when walking CALL_INSN_FUNCTION_USAGE.
790 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
791 Joey Ye <joey.ye@intel.com>
794 * cfgexpand.c (expand_stack_alignment): Don't update stack
795 boundary nor check incoming stack boundary here.
796 (gimple_expand_cfg): Update stack boundary and check incoming
799 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
801 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
803 2009-01-14 Jakub Jelinek <jakub@redhat.com>
805 PR rtl-optimization/38245
806 * calls.c (expand_call): Add stack arguments to
807 CALL_INSN_FUNCTION_USAGE even for pure calls (when
808 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
809 in regs and partially in memory or BLKmode arguments.
810 (emit_library_call_value_1): Add stack arguments to
811 CALL_INSN_FUNCTION_USAGE even for pure calls (when
812 ACCUMULATE_OUTGOING_ARGS).
813 * dce.c: Include tm_p.h.
814 (find_call_stack_args): New function.
815 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
817 (mark_insn): Call find_call_stack_args for CALL_Ps.
818 (prescan_insns_for_dce): Walk insns backwards in bb rather than
819 forwards. Allocate and free arg_stores bitmap if needed, pass it
820 down to deletable_insn_p, don't mark stores set in arg_stores
821 bitmap, clear the bitmap at the beginning of each bb.
822 * Makefile.in (dce.o): Depend on $(TM_P_H).
824 2009-01-14 Michael Meissner <gnu@the-meissners.org>
827 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
828 to make sure the insn is a conditional test (bug 22599). Reformat a
831 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
834 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
835 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
836 (gloog): Do not call cleanup_tree_cfg.
837 (graphite_transform_loops): Call cleanup_tree_cfg after all
838 scops have been code generated.
840 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
841 * doc/gty.texi (Invoking the garbage collector): Added new node
842 and section documenting ggc_collect.
844 2009-01-14 Richard Guenther <rguenther@suse.de>
846 PR tree-optimization/38826
848 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
849 initialization notes only if we actually emitted a warning.
850 (intra_create_variable_infos): Add constraints for a result decl
851 that is passed by hidden reference.
852 (build_pred_graph): Mark all related variables non-direct on
855 2009-01-14 Nick Clifton <nickc@redhat.com>
857 * ira-conflicts.c: Include addresses.h for the definition of
859 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
860 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
862 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
865 * Makefile.in (ira-lives.o): Add except.h.
867 * ira-lives.c: Include except.h.
868 (process_bb_node_lives): Process can_throw_internal.
870 2009-01-13 Jakub Jelinek <jakub@redhat.com>
872 PR rtl-optimization/38774
873 * combine.c (simplify_set): When undoing cc_use change, don't do
874 PUT_CODE on the newly created comparison, but instead put back the
877 2009-01-13 Joseph Myers <joseph@codesourcery.com>
879 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
880 values. Remove duplicate arm8 entry.
882 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
884 PR tree-optimization/38786
885 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
886 the SSA_NAME case of expand_scalar_variables_expr.
887 Set the type of an expression to the type of its assign statement.
888 (expand_scalar_variables_expr): Also gather the scalar computation
889 used to index the memory access. Do not pass loop_p.
890 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
891 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
892 the gimple_stmt_iterator where it inserts new code.
894 (copy_bb_and_scalar_dependences): Do not pass loop_p.
895 (translate_clast): Update call to copy_bb_and_scalar_dependences.
897 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
899 * graphite.h (debug_value): Removed.
900 * graphite.c (debug_value): Removed.
902 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
904 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
905 ldrd/strd with two 32-bit instructions.
907 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
909 * config/arm/arm.c (struct processors): Pass for speed down into
910 cost helper functions.
911 (const_ok_for_op): Handle COMPARE and inequality nodes.
912 (arm_rtx_costs_1): Rewrite.
913 (arm_size_rtx_costs): Update prototype.
914 (arm_rtx_costs): Pass speed down to helper functions.
915 (arm_slowmul_rtx_costs): Rework cost calculations.
916 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
917 (arm_9e_rtx_costs): Likewise.
919 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
921 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
922 relocations of local symbols wider than UNITS_PER_WORD are not valid.
923 (alpha_legitimize_address): Do not split local symbols wider than
924 UNITS_PER_WORD into HIGH/LO_SUM parts.
926 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
929 * gcc.c (process_command): Replace call to execvp with calls
932 2009-01-03 Anatoly Sokolov <aesok@post.ru>
935 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
936 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
937 variant for devices with 3-byte PC.
938 (__tablejump_elpm__) : New.
940 2009-01-12 Jakub Jelinek <jakub@redhat.com>
943 * c-parser.c (c_parser_postfix_expression): Allow `->' in
944 offsetof member-designator, handle it as `[0].'.
946 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
948 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
949 function when not using named sections on targets with named sections
950 if branch distance is less than 262132.
952 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
954 * combine.c (combine_instructions): Recompute
955 optimize_this_for_speed_p for each BB in the main combine loop.
957 2009-01-12 Tomas Bily <tbily@suse.cz>
960 * tree-loop-distribution.c (prop_phis): New function.
961 (generate_builtin): Call prop_phis.
962 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
964 2009-01-12 Jakub Jelinek <jakub@redhat.com>
966 PR tree-optimization/38807
967 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
968 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
970 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
972 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
973 subreg of op0 to the original op0.
975 2009-01-11 Laurent GUERBY <laurent@guerby.net>
977 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
979 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
982 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
983 starting with digits.
985 2009-01-10 Jakub Jelinek <jakub@redhat.com>
988 * config/arm/arm.c (arm_is_long_call_p): Don't call
989 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
991 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
993 * regrename.c (regrename_optimize): Fix dumping.
994 (find_oldest_value_reg): Preserve REG_POINTER.
995 (copy_hardreg_forward_1): Likewise.
997 2009-01-09 Diego Novillo <dnovillo@google.com>
999 * gimple.h (struct gimple_statement_base)<uid>: Document
1000 the restrictions on its use.
1002 (gimple_set_uid): Tidy.
1004 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1006 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1007 zero guard even if align_bytes != 0 and count is smaller than
1010 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1012 PR rtl-optimization/38495
1013 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1014 (add_range_and_copies_from_move_list): Print all added ranges.
1015 Add ranges to memory optimized destination.
1017 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1021 * config/i386/i386.c (override_options): Reject
1022 -mstringop-strategy=rep_8byte with -m32.
1023 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1024 to 1. Do count comparison against epilogue_size_needed at compile
1025 time even when count_exp was constant forced into register. For
1026 size_needed don't jump to epilogue, instead just avoid aligning
1027 and invoke the body algorithm. If need_zero_guard, add zero guard
1028 even if count is non-zero, but smaller than size_needed + number of
1029 bytes that could be stored for alignment.
1030 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1031 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1032 but smaller than size_needed + number of bytes that could be stored
1033 for alignment. Compare size_needed with epilogue_size_needed instead
1034 of desired_align - align, don't adjust size_needed, pass
1035 epilogue_size_needed to the epilogue expanders.
1038 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1040 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1042 * pa.c (last_address): Change to unsigned.
1043 (update_total_code_bytes): Change argument to unsigned. Don't
1044 check if insn addresses are set.
1045 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1046 addresses are not set.
1047 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1049 2009-01-09 Nick Clifton <nickc@redhat.com>
1051 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1052 DECL_DECLARED_INLINE_P.
1054 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1057 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1058 GET_MODE (op0) in operand_subword_force calls.
1061 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1062 fold_convert arg0 operands to TREE_TYPE (op0) first.
1064 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1066 * params.def (ira-max-conflict-table-size): Decrease default value
1069 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1071 PR tree-optimization/37031
1072 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1074 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1075 allocate it using gc instead of heap, use VEC_quick_push instead of
1077 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1078 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1079 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1080 allocated vector from heap allocated.
1081 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1082 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1083 vector only after perfect_loop_nest_depth call.
1085 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1086 Jan Sjodin <jan.sjodin@amd.com>
1088 PR tree-optimization/38559
1089 * graphite.c (debug_value, copy_constraint,
1090 swap_constraint_variables, scale_constraint_variable, ): New.
1091 (get_lower_bound, get_upper_bound): Removed.
1092 (graphite_trans_bb_strip_mine): Clean up this code that works
1093 only for constant number of iterations. Fully copy upper and
1094 lower bound constraints, not only the constant part of them.
1095 * graphite.h (debug_value): Declared.
1097 2009-01-08 Ira Rosen <irar@il.ibm.com>
1099 PR tree-optimization/37194
1100 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1101 Don't add the cost of cost model guard in prologue to scalar
1102 outside cost in case of known number of iterations.
1104 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1105 Alan Modra <amodra@bigpond.net.au>
1107 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1108 non-word-aligned REG+CONST addressing.
1110 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1113 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1114 free_after_compilation when outputting a thunk.
1115 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1116 Do not call free_after_compilation here.
1118 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1120 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1121 (ix86_valid_target_attribute_inner_p): Ditto.
1123 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1125 PR tree-optimization/38492
1126 PR tree-optimization/38498
1127 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1128 * tree-chrec.h (scev_is_linear_expression): Declared.
1129 * graphite.c (graphite_cannot_represent_loop_niter): New.
1130 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1131 (graphite_loop_normal_form): Use gcc_assert.
1132 (scan_tree_for_params): Use CASE_CONVERT.
1133 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1134 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1135 Use gcc_assert. Discard scops that contain unhandled cases.
1136 (build_scop_conditions): Return a boolean status for unhandled cases.
1137 (strip_mine_profitable_p): Print the loop number, not its depth.
1138 (is_interchange_valid): Pass the depth of the loop nest, don't
1139 recompute it wrongly.
1140 (graphite_trans_bb_block): Same.
1141 (graphite_trans_bb_block): Print tentative of loop blocking.
1142 (graphite_trans_scop_block): Do not print that the loop has been
1144 (graphite_transform_loops): Do not handle scops that contain condition
1147 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1149 AVX Programming Reference (December, 2008)
1150 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1151 (_mm256_stream_pd): Likewise.
1152 (_mm256_stream_ps): Likewise.
1154 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1155 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1156 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1157 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1158 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1159 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1160 (ix86_expand_special_args_builtin): Likewise.
1162 * config/i386/sse.md (AVXMODEDI): New.
1163 (avx_movnt<mode>): Likewise.
1164 (avx_movnt<mode>): Likewise.
1165 (<sse>_movnt<mode>): Remove AVX support.
1166 (sse2_movntv2di): Likewise.
1168 2009-01-07 Richard Guenther <rguenther@suse.de>
1171 * fold-const.c (extract_muldiv): Remove obsolete comment.
1172 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1173 to PLUS_EXPR canonicalization for the canonicalization.
1175 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1177 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1178 hosted cross-compilers generating less efficient code.
1180 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1182 * function.h (rtl_data): Add a dbr_scheduled_p field.
1183 * reorg.c (dbr_schedule): Set it.
1184 (gate_handle_delay_slots): Check it.
1185 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1186 (mips_reorg): Check flag_delayed_branch instead of
1187 mips_base_delayed_branch.
1188 (mips_override_options): Don't set mips_base_delayed_branch
1189 or flag_delayed_branch.
1191 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1193 PR rtl-optimization/38426.
1194 * ira.c (ira): Set current_function_is_leaf earlier.
1196 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1198 PR rtl-optimization/38722
1199 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1200 too early, only set a flag and modify after last possible
1203 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1206 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1207 * real.c (decimal_single_format): Correct values of emin and emax.
1208 (decimal_double_format): Ditto.
1209 (decimal_quad_format): Ditto.
1210 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1211 computation of DECnn_MIN and DECnn_MAX for corrected values of
1212 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1213 __DECnn_MIN__, and adjust its computation for the corrected value
1216 2009-01-06 Jan Hubicka <jh@suse.cz>
1219 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1221 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1223 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1224 Add Robert Clark to the list of testers.
1226 2009-01-06 Jan Hubicka <jh@suse.cz>
1227 Kai Tietz <kai.tietz@onevision.com>
1229 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1230 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1232 2009-01-06 Jan Hubicka <jh@suse.cz>
1233 Kai Tietz <kai.tietz@onevision.com>
1235 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1237 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1238 (ix86_nsaved_regs): Count only general purpose regs.
1239 (ix86_nsaved_sseregs): New.
1240 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1241 to 16 for w64; compute padding and size of sse reg save area.
1242 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1243 general purpose regs.
1244 (ix86_emit_save_sse_regs_using_mov): New.
1245 (ix86_expand_prologue): Save SSE regs if needed.
1246 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1247 (ix86_emit_restore_sse_regs_using_mov): New.
1248 (ix86_expand_epilogue): Save SSE regs if needed.
1250 2009-01-06 Jan Hubicka <jh@suse.cz>
1251 Kai Tietz <kai.tietz@onevision.com>
1253 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1254 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1255 functions when accumulate outgoing args is off.
1257 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1260 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1261 before using pseudos_have_intersected_live_ranges_p.
1263 * ira-int.h (ira_assert): Always define.
1265 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1267 AVX Programming Reference (December, 2008)
1268 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1269 (_mm256_permute2_pd): Likewise.
1270 (_mm_permute2_ps): Likewise.
1271 (_mm256_permute2_ps): Likewise.
1272 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1273 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1275 * config/i386/i386.c (ix86_builtins): Remove
1276 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1277 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1278 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1279 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1280 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1281 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1282 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1283 __builtin_ia32_vpermil2ps256.
1284 (ix86_init_mmx_sse_builtins): Updated.
1285 (ix86_expand_args_builtin): Likewise.
1287 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1289 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1290 long absolute calls when generating PA 2.0 code.
1292 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1294 PR rtl-optimization/38583
1295 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1297 * params.def (ira-max-conflict-table-size): New.
1299 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1301 * ira.h (ira_conflicts_p): New external definition.
1303 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1304 table. Report this. Return result of building.
1305 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1306 building conflict table.
1308 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1309 (ira_color): Use ira_conflicts_p.
1311 * global.c: Include ira.h.
1312 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1315 * Makefile.in (global.o): Add ira.h.
1317 * ira-build.c (mark_all_loops_for_removal,
1318 propagate_some_info_from_allocno): New.
1319 (remove_unnecessary_allocnos): Call
1320 propagate_some_info_from_allocno.
1321 (remove_low_level_allocnos): New.
1322 (remove_unnecessary_regions): Add parameter. Call
1323 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1324 parameter to remove_unnecessary_regions.
1325 (ira_build): Remove all regions but root if the conflict table was
1326 not built. Update conflict hard regs for allocnos crossing calls.
1328 * ira.c (ira_conflicts_p): New global.
1329 (ira): Define and use ira_conflicts_p.
1331 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1332 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1333 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1335 2009-01-06 Ben Elliston <bje@au.ibm.com>
1337 * gengtype-lex.l (YY_NO_INPUT): Define.
1339 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1342 * c-common.c (handle_vector_size_attribute): Also reject
1345 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1347 PR tree-optimization/38492
1348 * graphite.c (rename_map_elt, debug_rename_elt,
1349 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1350 rename_map_elt_info, eq_rename_map_elts,
1351 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1352 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1353 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1354 (sese_build_livein_liveouts): New.
1355 (new_sese, free_sese): New.
1356 (new_scop): Call new_sese.
1357 (free_scop): Call free_sese.
1358 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1359 (register_old_new_names): Renamed register_old_and_new_names.
1360 (register_scop_liveout_renames, add_loop_exit_phis,
1361 insert_loop_close_phis, struct igp,
1362 default_liveout_before_guard, add_guard_exit_phis,
1363 insert_guard_phis, copy_renames): New.
1364 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1365 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1366 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1367 (scop_adjust_phis_for_liveouts): New.
1368 (gloog): Call scop_adjust_phis_for_liveouts.
1370 * graphite.h (struct sese): Documented. Added fields liveout,
1372 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1373 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1374 (struct scop): Added field liveout_renames.
1375 (SCOP_LIVEOUT_RENAMES): New.
1377 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1379 PR tree-optimization/38510
1380 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1381 (translate_clast): Call recompute_all_dominators before
1383 (gloog): Call recompute_all_dominators before graphite_verify.
1385 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1386 Jan Sjodin <jan.sjodin@amd.com>
1388 PR tree-optimization/38500
1389 * graphite.c (create_sese_edges): Call fix_loop_structure after
1392 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1394 * config.gcc: Add m32r*-*-rtems*.
1395 * config/m32r/rtems.h: New file.
1397 2009-01-05 Ben Elliston <bje@au.ibm.com>
1399 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1400 (.po.pox): Likewise.
1401 (po/gcc.pot): Likewise.
1403 2009-01-04 David S. Miller <davem@davemloft.net>
1405 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1406 (STARTING_FRAME_OFFSET): Always set to zero.
1408 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1410 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1411 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1412 fixed-point types, and vectors of the same.
1414 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1416 * config/mips/sync.md (*mb_barrier): Rename to...
1417 (*memory_barrier): ...this.
1419 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1421 * doc/extend.texi (Function Attributes): Move @cindex after @item
1422 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1423 and put in alphabetical order. Fix 'target' name and put in order.
1424 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1427 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1429 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1430 (memory_barrier): Expand as unspec instead of unspec_volatile.
1431 Remove mem:BLK from insn operands. Use Pmode scratch register.
1432 (*memory_barrier): Define as unspec instead of unspec_volatile.
1433 Use (match_dup 0) as input operand.
1435 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1436 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1437 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1438 scratch register. Remove operand 1.
1439 (*stbar): Define as unspec instead of unspec_volatile.
1440 Use (match_dup 0) as input operand, remove (const_int 8).
1441 (*membar): Define as unspec instead of unspec_volatile.
1442 Use (match_dup 0) as input operand, remove input operand 2.
1444 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1445 (memory_barrier): Expand as unspec instead of unspec_volatile.
1446 Remove mem:BLK from insn operands. Use Pmode scratch register.
1447 (*memory_barrier): Define as unspec instead of unspec_volatile.
1448 Use (match_dup 0) as input operand.
1450 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1451 Remove mem:BLK from insn operands. Use Pmode scratch register.
1452 Set volatile flag on operand 0.
1453 (*memory_barrier): New insn pattern.
1455 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1457 (*memory_barrier): Use (match_dup 0) as input operand.
1459 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1460 Remove mem:BLK from insn operands. Use Pmode scratch register.
1461 Set volatile flag on operand 0.
1462 (*mb_internal): New insn pattern.
1464 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1466 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1469 * function.c (struct temp_slot): Move to the section of the file
1470 that deals with temp slots. Remove field 'address'.
1471 (temp_slot_address_table): New hash table of address -> temp slot.
1472 (struct temp_slot_address_entry): New struct, items for the table.
1473 (temp_slot_address_compute_hash, temp_slot_address_hash,
1474 temp_slot_address_eq, insert_temp_slot_address): Support functions
1476 (find_temp_slot_from_address): Rewrite to use the new hash table.
1477 (remove_unused_temp_slot_addresses): Remove addresses of temp
1478 slots that have been made available.
1479 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1480 worker function for remove_unused_temp_slot_addresses.
1481 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1482 Add the temp slot address to the address -> temp slot map.
1483 (update_temp_slot_address): Update via insert_temp_slot_address.
1484 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1485 (pop_temp_slots): Likewise.
1486 (init_temp_slots): Allocate the address -> temp slot map, or empty
1487 the map if it is already allocated.
1488 (prepare_function_start): Initialize temp slot processing.
1490 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1493 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1494 Calculate the size of all stack vars assuming no packing of stack
1495 vars will happen, replacing a quadratic algorithm with a linear one.
1497 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1500 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1503 2009-01-03 Diego Novillo <dnovillo@google.com>
1505 * doc/contrib.texi: Update contributions.
1507 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1510 * builtins.c (fold_builtin_memory_op): Give up if either operand
1511 is volatile. Set srctype or desttype to non-qualified version
1515 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1518 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1520 PR rtl-optimization/35805
1521 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1522 problem if fast dce is able to remove any instructions.
1523 * dce.c (dce_process_block): Fix dump message.
1525 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1528 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1530 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1533 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1534 * tree-pretty-print.c (op_code_prio): New function.
1535 (op_prio): No longer static. Use op_code_prio.
1536 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1537 Use op_prio and op_code_prio to determine if () should be
1538 printed around operand(s) or not.
1540 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1541 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1542 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1543 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1544 pp_character instead of pp_string for single letter printing.
1546 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1548 * doc/extend.texi: Fix '#pragma GCC option' typo.
1550 2009-01-02 Richard Guenther <rguenther@suse.de>
1552 * doc/install.texi (--enable-checking): Mention different
1554 (--enable-stage1-checking): Document.
1556 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1559 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1560 case to be an error.
1562 2009-01-02 Ben Elliston <bje@au.ibm.com>
1564 * config/fp-bit.h (pack_d): Constify argument.
1565 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1566 (isnan): Constify argument.
1570 (_fpadd_parts): Constify return type.
1571 (_fpmul_parts): Likewise.
1572 (_fpdiv_parts): Likewise.
1574 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1577 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1578 warn about overwriting initializer with side-effects or
1579 -Woverride-init if !IMPLICIT.
1580 (output_init_element): Likewise. Pass IMPLICIT down to
1582 (process_init_element): Add IMPLICIT argument. Pass it down
1583 to output_init_element.
1584 (push_init_element, pop_init_level, set_designator): Adjust
1585 process_init_element callers.
1586 (set_nonincremental_init, set_nonincremental_init_from_string):
1587 Adjust add_pending_init callers.
1588 (output_pending_init_elements): Adjust output_init_element callers.
1589 * c-tree.h (process_init_element): Adjust prototype.
1590 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1591 process_init_element callers.