1 2009-02-02 Ben Elliston <bje@au.ibm.com>
3 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4 TARGET_NARROW_VOLATILE_BITFIELD macro names.
6 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
9 information. Remove some obsolete information. Reorganize.
11 * config/pa/fptr.c: Revert license to GPL 2.
12 * config/pa/milli64.S: Likewise.
14 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
17 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
18 LIBRARY name in, instead of hard-coding it.
19 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
20 extra target make frag to tmake_files according to EH model.
21 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
22 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
23 frags that define makefile variable EH_MODEL appropriately.
24 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
25 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
26 to "-sjlj" according to type of EH configured.
27 (LIBGCC_SONAME): Concatenate it to shared library base name.
28 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
29 to "_sjlj" according to type of EH configured.
30 (LIBGCC_SONAME): Concatenate it to shared library base name.
31 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
32 (SHLIB_LINK): Add missing semicolon to if-else construct.
33 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
34 string value of "pe_dll" command-line option.
35 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
36 (SHLIB_SONAME): Use it when overriding t-cygming default.
37 (SHLIB_IMPLIB): Override t-cygming default.
38 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
39 string value of "pe_dll" command-line option.
41 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
44 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
45 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point
48 2009-01-31 Richard Guenther <rguenther@suse.de>
50 PR tree-optimization/38937
51 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
52 computing the transitive closure.
54 2009-01-30 Richard Guenther <rguenther@suse.de>
56 PR tree-optimization/39041
57 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
58 Propagate variable indices only if the types match for this stmt.
60 2009-01-30 Jakub Jelinek <jakub@redhat.com>
63 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
64 inline but never defined.
66 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
68 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
69 (*insv_h_di_reg_extimm): New insn.
70 (*insv_l<mode>_reg_extimm): New insn.
72 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
74 * config/picochip/picochip.c (flag_conserve_stack): set
75 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
76 fconserve-stack. Reduce call-overhead used by inliner.
78 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
81 * common.opt (flag_conserve_stack): Initialised to zero.
83 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
86 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
87 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
90 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
92 * ira-color.c (allocno_reload_assign): Update comments.
93 * regmove.c (regmove_optimize): Likewise.
97 2009-01-29 Robert Millan <rmh@aybabtu.com>
99 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
100 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
102 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
104 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
106 PR tree-optimization/39007
107 * tree-loop-distribution.c (generate_builtin): Use
108 recompute_dominator to compute the immediate dominator of the
109 basic block just after the loop.
111 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
113 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
114 (ASM_OUTPUT_DWARF_PCREL): Define.
116 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
118 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
119 * doc/passes.texi: Remove entries about regclass, local-alloc, and
120 global. Modify entries about regmove and IRA.
122 * ra-conflict.c: Remove the file.
124 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
126 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
127 (pass_regclass_init): Rename to pass_reginfo_init.
129 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
131 * toplev.h (flag_ira): Remove.
133 * caller-save.c (setup_save_areas): Remove flag_ira.
135 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
138 * global.c: Remove the file.
140 * opts.c: (decode_options): Remove flag_ira.
142 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
144 * regmove.c: Modify file description.
145 (find_use_as_address, try_auto_increment): Define them only if
146 AUTO_INC_DEC is defined.
147 (replacement_quality, replace_in_call_usage, fixup_match_1,
148 stable_and_no_regs_but_for_p): Remove.
149 (reg_set_in_bb): Make it static.
150 (regmove_optimize): Remove flag_ira and code which worked for
153 * local-alloc.c: Remove the file.
155 * common.opt (fira): Remove.
157 * ira.c: Include except.h.
158 (eliminable_regset): Move from global.c.
159 (mark_elimination): Ditto. Remove flag_ira.
160 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
161 equiv_mem_modified, validate_equiv_mem_from_store,
162 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
163 contains_replace_regs, memref_referenced_p, memref_used_between_p,
164 no_equiv, recorded_label_ref): Move from local-alloc.c.
165 (update_equiv_regs): Ditto. Make it static.
166 (print_insn_chain, print_insn_chains): Move it from global.c.
167 pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
168 (build_insn_chain): Ditto. Make it static.
169 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
170 Rename to init_live_subregs.
171 (gate_ira): Remove flag_ira.
173 * regclass.c: Rename reginfo.c. Change file description.
174 (FORBIDDEN_INC_DEC_CLASSES): Remove.
175 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
177 (init_reg_sets_1): Remove code for evaluation of
178 reg_class_superclasses and losing_caller_save_reg_set.
179 (init_regs): Remove init_reg_autoinc.
180 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
181 ok_for_base_p_nonstrict): Remove.
182 (regclass_init): Rename to reginfo_init. Don't initialize
184 (pass_regclass_init): Rename to pass_reginfo_init. Modify
185 corresponding entries.
186 (dump_regclass, record_operand_costs, scan_one_insn,
187 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
188 record_address_regs, auto_inc_dec_reg_p): Remove.
189 (gt-regclass.h): Rename to gt-reginfo.h.
191 * rtl.h (dump_global_regs, retry_global_alloc,
192 build_insn_chain, dump_local_alloc, update_equiv_regs):
195 * Makefile.in (RA_H): Remove.
196 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
197 Rename regclass.o to reginfo.o.
198 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
200 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
201 (GTFILES): Rename regclass.c to reginfo.c.
203 * passes.c (init_optimization_passes): Remove pass_local_alloc and
204 pass_global_alloc. Rename pass_regclass_init to
207 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
208 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
210 (finish_spills): Ditto. Remove code for !flga_ira.
212 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
215 * doc/invoke.texi (rtl debug options): Complete rewrite.
216 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
218 * mode-switching.c (pass_mode_switching): Rename pass from
219 "mode-sw" to "mode_sw".
220 * except.c (pass_convert_to_eh_ranges): Rename pass from
221 "eh-ranges" to "eh_ranges".
222 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
226 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
227 Alexander Monakov <amonakov@ispras.ru>
230 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
232 (move_exprs_to_boundary): Change return type and pass through
233 should_move from move_op. Relax assert. Update usage ...
234 (schedule_expr_on_boundary): ... here. Use should_move instead of
236 (move_op_orig_expr_found): Indicate that insn was disconnected from
238 (code_motion_process_successors): Do not call after_merge_succs
239 callback if original expression was not found when traversing any of
241 (code_motion_path_driver): Change return type. Update prototype.
242 (move_op): Update comment. Add a new parameter (should_move). Update
243 prototype. Set *should_move based on indication provided by
244 move_op_orig_expr_found.
246 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
248 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
249 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
250 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
251 * config/rs6000/rs6000.c (rs6000_override_options): Default
252 avoid-indexed-addresses on for Power6, off for everything else.
253 (avoiding_indexed_address_p): New function.
254 (rs6000_legitimize_address): Use it.
255 (rs6000_legitimate_address): Likewise.
256 * config/rs6000/rs6000.md (movXX_updateX): Likewise
258 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
260 PR tree-optimization/38997
261 * tree-loop-distribution.c (generate_memset_zero): Use
262 POINTER_PLUS_EXPR for a pointer addition.
264 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
266 * config/s390/s390.md (bswap<mode>2): New pattern added.
268 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
270 * config/s390/s390.md (*tls_load_31): Added type attribute.
272 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
274 * config/s390/s390.md: Fix a few comments.
276 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
278 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
279 (*tm<mode>_full): Fixed z10prop attribute.
280 (*tst<mode>_extimm): Fixed z10prop attribute.
281 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
282 (*tstqiCCT_cconly): Fixed z10prop attribute.
283 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
284 (*movsi_larl): Fixed z10prop attribute.
285 (*movsi_zarch): Fixed z10prop attribute.
286 (*movsi_eas): Fixed z10prop attribute.
287 (*movhi): Fixed z10prop attribute.
288 (*movqi): Fixed z10prop attribute.
289 (*movstrictqi): Fixed z10prop attribute.
290 (*mov<mode>): Fixed z10prop attribute.
291 (*movcc): Fixed z10prop attribute.
292 (*sethighpartdi_64): Fixed z10prop attribute.
293 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
294 (*negdi2_sign_cc): Fixed z10prop attribute.
295 (*negdi2_sign): Fixed z10prop attribute.
296 (*absdi2_sign_cc): Fixed z10prop attribute.
297 (*absdi2_sign): Fixed z10prop attribute.
298 (*negabsdi2_sign_cc): Fixed z10prop attribute.
299 (*negabsdi2_sign): Fixed z10prop attribute.
300 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
301 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
302 (doloop_si64): Fixed z10prop attribute.
303 (doloop_si31): Fixed z10prop attribute.
304 (doloop_long): Fixed z10prop attribute.
305 (indirect_jump): Fixed z10prop attribute.
306 (nop): Fixed z10prop attribute.
307 (main_base_64): Fixed z10prop attribute.
308 (reload_base_64): Fixed z10prop attribute.
310 2009-01-28 Jakub Jelinek <jakub@redhat.com>
312 PR rtl-optimization/38740
313 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
315 * config/mips/mips.c (mips_reorg): Likewise.
317 2009-01-28 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/38926
320 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
321 with the correct value id to a value.
322 (do_regular_insertion): Use the value number of edoubleprime
323 for the value number of the expr.
326 2008-08-21 Richard Guenther <rguenther@suse.de>
328 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
329 a PHI ask VN if it is already available.
330 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
331 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
333 2009-01-28 Jakub Jelinek <jakub@redhat.com>
336 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
337 set to varying whenever max has TREE_OVERFLOW set, similarly
338 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
340 2009-01-28 Richard Guenther <rguenther@suse.de>
343 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
344 uninitialized aggregate uses in call arguments.
346 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
348 PR tree-optimization/38984
349 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
350 the nothing_id variable if -fno-delete-null-pointer-checks.
352 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
355 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
356 (set_got_offset_rex64): Ditto.
358 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
361 * doc/extend.texi: Improve local variable with asm reg.
363 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
365 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
366 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
367 was not supplied then set warn_packed_bitfield_compat to the
369 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
372 2009-01-27 Richard Guenther <rguenther@suse.de>
374 PR tree-optimization/38503
375 * cfgexpand.c (expand_gimple_basic_block): Ignore
376 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
377 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
378 variables that cannot have TBAA applied.
379 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
382 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
385 * calls.c (initialize_argument_information): Do not wrap complex
386 arguments in SAVE_EXPR.
388 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
390 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
391 (INSTALL_LIBGCC): Revert typo commit.
393 2009-01-26 Richard Guenther <rguenther@suse.de>
395 PR tree-optimization/38745
396 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
397 from special handling.
399 2009-01-26 Richard Guenther <rguenther@suse.de>
401 PR tree-optimization/38745
402 * tree-ssa.c (execute_update_addresses_taken): Do not include
403 variables that cannot possibly be a register in not_reg_needs.
404 Do not clear TREE_ADDRESSABLE on vars that may not become
406 * tree-ssa.c (update_alias_info_1): Include those in the set
409 2009-01-26 Richard Guenther <rguenther@suse.de>
412 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
413 * tree-ssa-dse.c: Include langhooks.h
414 (execute_simple_dse): Remove stores with zero size.
416 2009-01-24 Jakub Jelinek <jakub@redhat.com>
419 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
422 2009-01-24 Julian Brown <julian@codesourcery.com>
424 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
425 config/arm/linux-atomic.c.
426 * config/arm/linux-atomic.c: New.
428 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
430 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
431 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
432 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
434 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
437 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
440 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
442 PR tree-optimization/38953
443 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
444 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
445 (gloog): Split the exit of the scop when the scop exit is a loop exit.
446 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
449 2009-01-24 Paul Brook <paul@codesourcery.com>
451 * config/arm/neon.md (neon_type): Move to arm.md.
452 (neon_mov<VSTRUCT>): Add neon_type attribute.
453 * config/arm/arm.md (neon_type): Move to here.
454 (conds): Add "unconditioal" and use as default for NEON insns.
456 2009-01-24 Ben Elliston <bje@au.ibm.com>
458 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
459 void *' warning from -Wc++-compat.
460 * Makefile.in (dominance.o-warn): Remove.
462 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
464 PR tree-optimization/38932
465 * fold-const.c (fold_unary_ignore_overflow): New.
466 * tree.h (fold_unary_ignore_overflow): Declare.
467 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
468 * tree-ssa-sccvn.c (visit_reference_op_load,
469 simplify_unary_expression): Likewise.
471 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
473 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
474 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
475 regardless of their type.
476 * c-common.c (handle_packed_attribute): Don't ignore packed on
478 * c.opt (Wpacked-bitfield-compat): New warning option.
479 * stor-layout.c (place_field): Warn if offset of a field changed.
480 * doc/extend.texi (packed): Mention the ABI change.
481 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
482 (Warning Options): Add it to the list.
484 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
486 * c-opts.c (c_common_post_options): Fix a typo in comments.
488 2009-01-22 Steve Ellcey <sje@cup.hp.com>
491 * gimplify.c (gimplify_init_constructor): Fix promotion of const
493 * doc/invoke.texi (-fmerge-all-constants): Update description.
495 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
498 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
499 (*movdi_1_rex64): Use type "mmx" for alternative 5.
501 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
503 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
505 (LOCAL_ALIGNMENT): Similarly.
507 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
508 Joseph Myers <joseph@codesourcery.com>
510 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
511 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
512 * config/arm/arm-tune.md: Regenerate.
513 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
516 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
518 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
519 version number to five.
521 2009-01-22 Dodji Seketeli <dodji@redhat.com>
524 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
525 * c-common.c (set_underlying_type): Likewise.
526 (is_typedef_decl ): Likewise
528 (set_underlying_type): Likewise.
529 (is_typedef_type): Likewise.
531 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
534 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
537 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
540 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
541 (LIBGCC_SPEC): Don't define.
542 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
544 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
546 PR rtl-optimization/38879
547 * alias.c (base_alias_check): Unaligned access via AND address can
548 alias all surrounding object types except those with sizes equal
549 or wider than the size of unaligned access.
551 2009-01-21 Dodji Seketeli <dodji@redhat.com>
554 * c-decl.c: (clone_underlying_type): Move this ...
555 * c-common.c (set_underlying_type): ... here.
556 Also, make sure the function properly sets TYPE_STUB_DECL() on
557 the newly created typedef variant type.
558 (is_typedef_decl ): New entry point.
559 * tree.h: Added a new member member_types_needing_access_check to
560 struct tree_decl_non_common.
561 (set_underlying_type): New entry point.
562 (is_typedef_type): Likewise.
564 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
566 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
567 Check whether two instructions have memory references that
568 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
569 are helper functions for traversing.
570 * alias.h (insn_alias_sets_confilict_p): New prototypes.
571 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
572 not to draw dependency edge for instructions with non-conflicting
575 2009-01-20 Joseph Myers <joseph@codesourcery.com>
578 * longlong.h: Update copyright years. Use soft-fp license
579 notice. Sync __clz_tab declaration with glibc.
581 2009-01-20 Steve Ellcey <sje@cup.hp.com>
584 * doc/extend.texi (syscall_linkage): New.
585 (version_id): Modify.
587 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
588 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/38747
591 PR tree-optimization/38748
592 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
593 conversion if the base address is an indirect reference and the
594 aliasing sets could cause issues.
596 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
598 * common.opt (fgraphite, fgraphite-identity): Add comment for
599 explaining why these options are not documented.
601 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
603 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
604 gimple_call_lhs is NULL.
606 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
609 * emit-rtl.c (adjust_address_1): Make sure memref is never
612 2009-01-20 Ben Elliston <bje@au.ibm.com>
614 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
615 const qualifier from arg parameter. Remove unnecessary cast to char *.
616 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
617 const qualifier from arg 2.
619 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
621 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
623 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
626 * rtl.h (reinit_regs): New prototype.
627 * regclass.c: Include ira.h.
629 * Makefile.in (regclass.o): Add ira.h.
630 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
632 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
635 * c-common.c (handle_aligned_attribute): Use
636 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
637 default alignment value.
639 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
641 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
642 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
644 * doc/extend.texi: Update __attribute__ ((aligned)). Document
645 __BIGGEST_ALIGNMENT__.
647 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
649 2009-01-18 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/38819
652 * tree-flow.h (operation_could_trap_helper_p): Declare.
653 * tree-eh.c (operation_could_trap_helper_p): Export.
654 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
655 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
656 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
657 are about to insert a possibly trapping instruction and fail
660 2009-01-18 Andreas Schwab <schwab@suse.de>
662 * doc/install.texi (Configuration): Remove obsolete paragraph
663 about use of --with-gnu-ld with --with-gnu-as.
665 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
667 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
668 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
669 Follow spelling conventions.
671 2009-01-18 Ben Elliston <bje@au.ibm.com>
673 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
674 C++ warning about implicit conversion from void * to struct
676 (bitmap_obstack_free): Likewise for bitmap_element *.
677 * Makefile.in (bitmap.o-warn): Remove.
679 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
681 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
683 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
684 Tobias Grosser <tobi.grosser@amd.com>
686 * graphite.c (graphite_trans_scop_block): Do not block single
689 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
691 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
692 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
695 2009-01-16 Richard Guenther <rguenther@suse.de>
697 PR tree-optimization/38835
699 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
700 and INT + PTR -> (INT)(PTR p+ INT) folding.
701 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
703 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
706 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
707 the subreg from a lowpart subreg if it is also casting the value.
709 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
710 Tobias Grosser <tobi.grosser@amd.com>
712 * graphite.c (compare_prefix_loops): New.
713 (build_scop_canonical_schedules): Rewritten.
714 (graphite_transform_loops): Move build_scop_canonical_schedules
715 after build_scop_iteration_domain.
717 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
718 Tobias Grosser <tobi.grosser@amd.com>
720 * graphite.c (add_conditions_to_domain): Add the loops to
721 the dimension of the iteration domain. Do copy the domain
723 (build_scop_conditions_1): Do not call add_conditions_to_domain.
724 (add_conditions_to_constraints): New.
725 (can_generate_code_stmt, can_generate_code): Removed.
726 (gloog): Do not call can_generate_code.
727 (graphite_transform_loops): Call add_conditions_to_constraints
728 after building the iteration domain.
730 2009-01-16 Jakub Jelinek <jakub@redhat.com>
732 PR tree-optimization/38789
733 * tree-ssa-threadedge.c
734 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
735 __builtin_constant_p.
737 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
739 * dce.c (delete_unmarked_insns): Reversed the order that insns are
740 examined before deleting them.
742 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
744 * function.c (aggregate_value_p): Correctly extract the function
745 type from CALL_EXPR_FN lookup.
747 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
749 * config/picochip/picochip.c (picochip_override_options): Revert
750 CFI asm flag disable commited previously.
752 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
753 Tobias Grosser <tobi.grosser@amd.com>
754 Jan Sjodin <jan.sjodin@amd.com>
756 * graphite.c (scan_tree_for_params): On substractions negate
757 all the coefficients of the term.
758 (clast_to_gcc_expression_red): New. Handle reduction expressions
759 of more than two operands.
760 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
761 (get_vdef_before_scop): Handle also the case of default definitions.
763 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
765 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
766 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
767 Also use them when walking CALL_INSN_FUNCTION_USAGE.
769 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
770 Joey Ye <joey.ye@intel.com>
773 * cfgexpand.c (expand_stack_alignment): Don't update stack
774 boundary nor check incoming stack boundary here.
775 (gimple_expand_cfg): Update stack boundary and check incoming
778 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
780 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
782 2009-01-14 Jakub Jelinek <jakub@redhat.com>
784 PR rtl-optimization/38245
785 * calls.c (expand_call): Add stack arguments to
786 CALL_INSN_FUNCTION_USAGE even for pure calls (when
787 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
788 in regs and partially in memory or BLKmode arguments.
789 (emit_library_call_value_1): Add stack arguments to
790 CALL_INSN_FUNCTION_USAGE even for pure calls (when
791 ACCUMULATE_OUTGOING_ARGS).
792 * dce.c: Include tm_p.h.
793 (find_call_stack_args): New function.
794 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
796 (mark_insn): Call find_call_stack_args for CALL_Ps.
797 (prescan_insns_for_dce): Walk insns backwards in bb rather than
798 forwards. Allocate and free arg_stores bitmap if needed, pass it
799 down to deletable_insn_p, don't mark stores set in arg_stores
800 bitmap, clear the bitmap at the beginning of each bb.
801 * Makefile.in (dce.o): Depend on $(TM_P_H).
803 2009-01-14 Michael Meissner <gnu@the-meissners.org>
806 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
807 to make sure the insn is a conditional test (bug 22599). Reformat a
810 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
813 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
814 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
815 (gloog): Do not call cleanup_tree_cfg.
816 (graphite_transform_loops): Call cleanup_tree_cfg after all
817 scops have been code generated.
819 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
820 * doc/gty.texi (Invoking the garbage collector): Added new node
821 and section documenting ggc_collect.
823 2009-01-14 Richard Guenther <rguenther@suse.de>
825 PR tree-optimization/38826
827 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
828 initialization notes only if we actually emitted a warning.
829 (intra_create_variable_infos): Add constraints for a result decl
830 that is passed by hidden reference.
831 (build_pred_graph): Mark all related variables non-direct on
834 2009-01-14 Nick Clifton <nickc@redhat.com>
836 * ira-conflicts.c: Include addresses.h for the definition of
838 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
839 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
841 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
844 * Makefile.in (ira-lives.o): Add except.h.
846 * ira-lives.c: Include except.h.
847 (process_bb_node_lives): Process can_throw_internal.
849 2009-01-13 Jakub Jelinek <jakub@redhat.com>
851 PR rtl-optimization/38774
852 * combine.c (simplify_set): When undoing cc_use change, don't do
853 PUT_CODE on the newly created comparison, but instead put back the
856 2009-01-13 Joseph Myers <joseph@codesourcery.com>
858 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
859 values. Remove duplicate arm8 entry.
861 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
863 PR tree-optimization/38786
864 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
865 the SSA_NAME case of expand_scalar_variables_expr.
866 Set the type of an expression to the type of its assign statement.
867 (expand_scalar_variables_expr): Also gather the scalar computation
868 used to index the memory access. Do not pass loop_p.
869 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
870 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
871 the gimple_stmt_iterator where it inserts new code.
873 (copy_bb_and_scalar_dependences): Do not pass loop_p.
874 (translate_clast): Update call to copy_bb_and_scalar_dependences.
876 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
878 * graphite.h (debug_value): Removed.
879 * graphite.c (debug_value): Removed.
881 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
883 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
884 ldrd/strd with two 32-bit instructions.
886 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
888 * config/arm/arm.c (struct processors): Pass for speed down into
889 cost helper functions.
890 (const_ok_for_op): Handle COMPARE and inequality nodes.
891 (arm_rtx_costs_1): Rewrite.
892 (arm_size_rtx_costs): Update prototype.
893 (arm_rtx_costs): Pass speed down to helper functions.
894 (arm_slowmul_rtx_costs): Rework cost calculations.
895 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
896 (arm_9e_rtx_costs): Likewise.
898 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
900 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
901 relocations of local symbols wider than UNITS_PER_WORD are not valid.
902 (alpha_legitimize_address): Do not split local symbols wider than
903 UNITS_PER_WORD into HIGH/LO_SUM parts.
905 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
908 * gcc.c (process_command): Replace call to execvp with calls
911 2009-01-03 Anatoly Sokolov <aesok@post.ru>
914 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
915 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
916 variant for devices with 3-byte PC.
917 (__tablejump_elpm__) : New.
919 2009-01-12 Jakub Jelinek <jakub@redhat.com>
922 * c-parser.c (c_parser_postfix_expression): Allow `->' in
923 offsetof member-designator, handle it as `[0].'.
925 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
927 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
928 function when not using named sections on targets with named sections
929 if branch distance is less than 262132.
931 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
933 * combine.c (combine_instructions): Recompute
934 optimize_this_for_speed_p for each BB in the main combine loop.
936 2009-01-12 Tomas Bily <tbily@suse.cz>
939 * tree-loop-distribution.c (prop_phis): New function.
940 (generate_builtin): Call prop_phis.
941 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
943 2009-01-12 Jakub Jelinek <jakub@redhat.com>
945 PR tree-optimization/38807
946 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
947 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
949 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
951 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
952 subreg of op0 to the original op0.
954 2009-01-11 Laurent GUERBY <laurent@guerby.net>
956 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
958 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
961 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
962 starting with digits.
964 2009-01-10 Jakub Jelinek <jakub@redhat.com>
967 * config/arm/arm.c (arm_is_long_call_p): Don't call
968 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
970 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
972 * regrename.c (regrename_optimize): Fix dumping.
973 (find_oldest_value_reg): Preserve REG_POINTER.
974 (copy_hardreg_forward_1): Likewise.
976 2009-01-09 Diego Novillo <dnovillo@google.com>
978 * gimple.h (struct gimple_statement_base)<uid>: Document
979 the restrictions on its use.
981 (gimple_set_uid): Tidy.
983 2009-01-09 Jakub Jelinek <jakub@redhat.com>
985 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
986 zero guard even if align_bytes != 0 and count is smaller than
989 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
991 PR rtl-optimization/38495
992 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
993 (add_range_and_copies_from_move_list): Print all added ranges.
994 Add ranges to memory optimized destination.
996 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1000 * config/i386/i386.c (override_options): Reject
1001 -mstringop-strategy=rep_8byte with -m32.
1002 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1003 to 1. Do count comparison against epilogue_size_needed at compile
1004 time even when count_exp was constant forced into register. For
1005 size_needed don't jump to epilogue, instead just avoid aligning
1006 and invoke the body algorithm. If need_zero_guard, add zero guard
1007 even if count is non-zero, but smaller than size_needed + number of
1008 bytes that could be stored for alignment.
1009 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1010 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1011 but smaller than size_needed + number of bytes that could be stored
1012 for alignment. Compare size_needed with epilogue_size_needed instead
1013 of desired_align - align, don't adjust size_needed, pass
1014 epilogue_size_needed to the epilogue expanders.
1017 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1019 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1021 * pa.c (last_address): Change to unsigned.
1022 (update_total_code_bytes): Change argument to unsigned. Don't
1023 check if insn addresses are set.
1024 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1025 addresses are not set.
1026 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1028 2009-01-09 Nick Clifton <nickc@redhat.com>
1030 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1031 DECL_DECLARED_INLINE_P.
1033 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1036 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1037 GET_MODE (op0) in operand_subword_force calls.
1040 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1041 fold_convert arg0 operands to TREE_TYPE (op0) first.
1043 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1045 * params.def (ira-max-conflict-table-size): Decrease default value
1048 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1050 PR tree-optimization/37031
1051 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1053 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1054 allocate it using gc instead of heap, use VEC_quick_push instead of
1056 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1057 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1058 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1059 allocated vector from heap allocated.
1060 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1061 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1062 vector only after perfect_loop_nest_depth call.
1064 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1065 Jan Sjodin <jan.sjodin@amd.com>
1067 PR tree-optimization/38559
1068 * graphite.c (debug_value, copy_constraint,
1069 swap_constraint_variables, scale_constraint_variable, ): New.
1070 (get_lower_bound, get_upper_bound): Removed.
1071 (graphite_trans_bb_strip_mine): Clean up this code that works
1072 only for constant number of iterations. Fully copy upper and
1073 lower bound constraints, not only the constant part of them.
1074 * graphite.h (debug_value): Declared.
1076 2009-01-08 Ira Rosen <irar@il.ibm.com>
1078 PR tree-optimization/37194
1079 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1080 Don't add the cost of cost model guard in prologue to scalar
1081 outside cost in case of known number of iterations.
1083 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1084 Alan Modra <amodra@bigpond.net.au>
1086 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1087 non-word-aligned REG+CONST addressing.
1089 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1092 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1093 free_after_compilation when outputting a thunk.
1094 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1095 Do not call free_after_compilation here.
1097 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1099 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1100 (ix86_valid_target_attribute_inner_p): Ditto.
1102 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1104 PR tree-optimization/38492
1105 PR tree-optimization/38498
1106 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1107 * tree-chrec.h (scev_is_linear_expression): Declared.
1108 * graphite.c (graphite_cannot_represent_loop_niter): New.
1109 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1110 (graphite_loop_normal_form): Use gcc_assert.
1111 (scan_tree_for_params): Use CASE_CONVERT.
1112 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1113 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1114 Use gcc_assert. Discard scops that contain unhandled cases.
1115 (build_scop_conditions): Return a boolean status for unhandled cases.
1116 (strip_mine_profitable_p): Print the loop number, not its depth.
1117 (is_interchange_valid): Pass the depth of the loop nest, don't
1118 recompute it wrongly.
1119 (graphite_trans_bb_block): Same.
1120 (graphite_trans_bb_block): Print tentative of loop blocking.
1121 (graphite_trans_scop_block): Do not print that the loop has been
1123 (graphite_transform_loops): Do not handle scops that contain condition
1126 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1128 AVX Programming Reference (December, 2008)
1129 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1130 (_mm256_stream_pd): Likewise.
1131 (_mm256_stream_ps): Likewise.
1133 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1134 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1135 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1136 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1137 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1138 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1139 (ix86_expand_special_args_builtin): Likewise.
1141 * config/i386/sse.md (AVXMODEDI): New.
1142 (avx_movnt<mode>): Likewise.
1143 (avx_movnt<mode>): Likewise.
1144 (<sse>_movnt<mode>): Remove AVX support.
1145 (sse2_movntv2di): Likewise.
1147 2009-01-07 Richard Guenther <rguenther@suse.de>
1150 * fold-const.c (extract_muldiv): Remove obsolete comment.
1151 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1152 to PLUS_EXPR canonicalization for the canonicalization.
1154 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1156 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1157 hosted cross-compilers generating less efficient code.
1159 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1161 * function.h (rtl_data): Add a dbr_scheduled_p field.
1162 * reorg.c (dbr_schedule): Set it.
1163 (gate_handle_delay_slots): Check it.
1164 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1165 (mips_reorg): Check flag_delayed_branch instead of
1166 mips_base_delayed_branch.
1167 (mips_override_options): Don't set mips_base_delayed_branch
1168 or flag_delayed_branch.
1170 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1172 PR rtl-optimization/38426.
1173 * ira.c (ira): Set current_function_is_leaf earlier.
1175 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1177 PR rtl-optimization/38722
1178 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1179 too early, only set a flag and modify after last possible
1182 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1185 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1186 * real.c (decimal_single_format): Correct values of emin and emax.
1187 (decimal_double_format): Ditto.
1188 (decimal_quad_format): Ditto.
1189 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1190 computation of DECnn_MIN and DECnn_MAX for corrected values of
1191 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1192 __DECnn_MIN__, and adjust its computation for the corrected value
1195 2009-01-06 Jan Hubicka <jh@suse.cz>
1198 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1200 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1202 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1203 Add Robert Clark to the list of testers.
1205 2009-01-06 Jan Hubicka <jh@suse.cz>
1206 Kai Tietz <kai.tietz@onevision.com>
1208 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1209 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1211 2009-01-06 Jan Hubicka <jh@suse.cz>
1212 Kai Tietz <kai.tietz@onevision.com>
1214 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1216 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1217 (ix86_nsaved_regs): Count only general purpose regs.
1218 (ix86_nsaved_sseregs): New.
1219 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1220 to 16 for w64; compute padding and size of sse reg save area.
1221 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1222 general purpose regs.
1223 (ix86_emit_save_sse_regs_using_mov): New.
1224 (ix86_expand_prologue): Save SSE regs if needed.
1225 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1226 (ix86_emit_restore_sse_regs_using_mov): New.
1227 (ix86_expand_epilogue): Save SSE regs if needed.
1229 2009-01-06 Jan Hubicka <jh@suse.cz>
1230 Kai Tietz <kai.tietz@onevision.com>
1232 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1233 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1234 functions when accumulate outgoing args is off.
1236 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1239 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1240 before using pseudos_have_intersected_live_ranges_p.
1242 * ira-int.h (ira_assert): Always define.
1244 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1246 AVX Programming Reference (December, 2008)
1247 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1248 (_mm256_permute2_pd): Likewise.
1249 (_mm_permute2_ps): Likewise.
1250 (_mm256_permute2_ps): Likewise.
1251 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1252 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1254 * config/i386/i386.c (ix86_builtins): Remove
1255 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1256 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1257 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1258 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1259 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1260 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1261 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1262 __builtin_ia32_vpermil2ps256.
1263 (ix86_init_mmx_sse_builtins): Updated.
1264 (ix86_expand_args_builtin): Likewise.
1266 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1268 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1269 long absolute calls when generating PA 2.0 code.
1271 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1273 PR rtl-optimization/38583
1274 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1276 * params.def (ira-max-conflict-table-size): New.
1278 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1280 * ira.h (ira_conflicts_p): New external definition.
1282 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1283 table. Report this. Return result of building.
1284 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1285 building conflict table.
1287 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1288 (ira_color): Use ira_conflicts_p.
1290 * global.c: Include ira.h.
1291 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1294 * Makefile.in (global.o): Add ira.h.
1296 * ira-build.c (mark_all_loops_for_removal,
1297 propagate_some_info_from_allocno): New.
1298 (remove_unnecessary_allocnos): Call
1299 propagate_some_info_from_allocno.
1300 (remove_low_level_allocnos): New.
1301 (remove_unnecessary_regions): Add parameter. Call
1302 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1303 parameter to remove_unnecessary_regions.
1304 (ira_build): Remove all regions but root if the conflict table was
1305 not built. Update conflict hard regs for allocnos crossing calls.
1307 * ira.c (ira_conflicts_p): New global.
1308 (ira): Define and use ira_conflicts_p.
1310 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1311 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1312 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1314 2009-01-06 Ben Elliston <bje@au.ibm.com>
1316 * gengtype-lex.l (YY_NO_INPUT): Define.
1318 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1321 * c-common.c (handle_vector_size_attribute): Also reject
1324 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1326 PR tree-optimization/38492
1327 * graphite.c (rename_map_elt, debug_rename_elt,
1328 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1329 rename_map_elt_info, eq_rename_map_elts,
1330 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1331 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1332 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1333 (sese_build_livein_liveouts): New.
1334 (new_sese, free_sese): New.
1335 (new_scop): Call new_sese.
1336 (free_scop): Call free_sese.
1337 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1338 (register_old_new_names): Renamed register_old_and_new_names.
1339 (register_scop_liveout_renames, add_loop_exit_phis,
1340 insert_loop_close_phis, struct igp,
1341 default_liveout_before_guard, add_guard_exit_phis,
1342 insert_guard_phis, copy_renames): New.
1343 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1344 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1345 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1346 (scop_adjust_phis_for_liveouts): New.
1347 (gloog): Call scop_adjust_phis_for_liveouts.
1349 * graphite.h (struct sese): Documented. Added fields liveout,
1351 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1352 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1353 (struct scop): Added field liveout_renames.
1354 (SCOP_LIVEOUT_RENAMES): New.
1356 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1358 PR tree-optimization/38510
1359 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1360 (translate_clast): Call recompute_all_dominators before
1362 (gloog): Call recompute_all_dominators before graphite_verify.
1364 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1365 Jan Sjodin <jan.sjodin@amd.com>
1367 PR tree-optimization/38500
1368 * graphite.c (create_sese_edges): Call fix_loop_structure after
1371 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1373 * config.gcc: Add m32r*-*-rtems*.
1374 * config/m32r/rtems.h: New file.
1376 2009-01-05 Ben Elliston <bje@au.ibm.com>
1378 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1379 (.po.pox): Likewise.
1380 (po/gcc.pot): Likewise.
1382 2009-01-04 David S. Miller <davem@davemloft.net>
1384 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1385 (STARTING_FRAME_OFFSET): Always set to zero.
1387 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1389 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1390 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1391 fixed-point types, and vectors of the same.
1393 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1395 * config/mips/sync.md (*mb_barrier): Rename to...
1396 (*memory_barrier): ...this.
1398 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1400 * doc/extend.texi (Function Attributes): Move @cindex after @item
1401 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1402 and put in alphabetical order. Fix 'target' name and put in order.
1403 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1406 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1408 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1409 (memory_barrier): Expand as unspec instead of unspec_volatile.
1410 Remove mem:BLK from insn operands. Use Pmode scratch register.
1411 (*memory_barrier): Define as unspec instead of unspec_volatile.
1412 Use (match_dup 0) as input operand.
1414 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1415 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1416 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1417 scratch register. Remove operand 1.
1418 (*stbar): Define as unspec instead of unspec_volatile.
1419 Use (match_dup 0) as input operand, remove (const_int 8).
1420 (*membar): Define as unspec instead of unspec_volatile.
1421 Use (match_dup 0) as input operand, remove input operand 2.
1423 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1424 (memory_barrier): Expand as unspec instead of unspec_volatile.
1425 Remove mem:BLK from insn operands. Use Pmode scratch register.
1426 (*memory_barrier): Define as unspec instead of unspec_volatile.
1427 Use (match_dup 0) as input operand.
1429 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1430 Remove mem:BLK from insn operands. Use Pmode scratch register.
1431 Set volatile flag on operand 0.
1432 (*memory_barrier): New insn pattern.
1434 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1436 (*memory_barrier): Use (match_dup 0) as input operand.
1438 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1439 Remove mem:BLK from insn operands. Use Pmode scratch register.
1440 Set volatile flag on operand 0.
1441 (*mb_internal): New insn pattern.
1443 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1445 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1448 * function.c (struct temp_slot): Move to the section of the file
1449 that deals with temp slots. Remove field 'address'.
1450 (temp_slot_address_table): New hash table of address -> temp slot.
1451 (struct temp_slot_address_entry): New struct, items for the table.
1452 (temp_slot_address_compute_hash, temp_slot_address_hash,
1453 temp_slot_address_eq, insert_temp_slot_address): Support functions
1455 (find_temp_slot_from_address): Rewrite to use the new hash table.
1456 (remove_unused_temp_slot_addresses): Remove addresses of temp
1457 slots that have been made available.
1458 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1459 worker function for remove_unused_temp_slot_addresses.
1460 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1461 Add the temp slot address to the address -> temp slot map.
1462 (update_temp_slot_address): Update via insert_temp_slot_address.
1463 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1464 (pop_temp_slots): Likewise.
1465 (init_temp_slots): Allocate the address -> temp slot map, or empty
1466 the map if it is already allocated.
1467 (prepare_function_start): Initialize temp slot processing.
1469 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1472 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1473 Calculate the size of all stack vars assuming no packing of stack
1474 vars will happen, replacing a quadratic algorithm with a linear one.
1476 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1479 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1482 2009-01-03 Diego Novillo <dnovillo@google.com>
1484 * doc/contrib.texi: Update contributions.
1486 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1489 * builtins.c (fold_builtin_memory_op): Give up if either operand
1490 is volatile. Set srctype or desttype to non-qualified version
1494 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1497 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1499 PR rtl-optimization/35805
1500 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1501 problem if fast dce is able to remove any instructions.
1502 * dce.c (dce_process_block): Fix dump message.
1504 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1507 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1509 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1512 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1513 * tree-pretty-print.c (op_code_prio): New function.
1514 (op_prio): No longer static. Use op_code_prio.
1515 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1516 Use op_prio and op_code_prio to determine if () should be
1517 printed around operand(s) or not.
1519 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1520 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1521 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1522 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1523 pp_character instead of pp_string for single letter printing.
1525 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1527 * doc/extend.texi: Fix '#pragma GCC option' typo.
1529 2009-01-02 Richard Guenther <rguenther@suse.de>
1531 * doc/install.texi (--enable-checking): Mention different
1533 (--enable-stage1-checking): Document.
1535 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1538 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1539 case to be an error.
1541 2009-01-02 Ben Elliston <bje@au.ibm.com>
1543 * config/fp-bit.h (pack_d): Constify argument.
1544 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1545 (isnan): Constify argument.
1549 (_fpadd_parts): Constify return type.
1550 (_fpmul_parts): Likewise.
1551 (_fpdiv_parts): Likewise.
1553 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1556 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1557 warn about overwriting initializer with side-effects or
1558 -Woverride-init if !IMPLICIT.
1559 (output_init_element): Likewise. Pass IMPLICIT down to
1561 (process_init_element): Add IMPLICIT argument. Pass it down
1562 to output_init_element.
1563 (push_init_element, pop_init_level, set_designator): Adjust
1564 process_init_element callers.
1565 (set_nonincremental_init, set_nonincremental_init_from_string):
1566 Adjust add_pending_init callers.
1567 (output_pending_init_elements): Adjust output_init_element callers.
1568 * c-tree.h (process_init_element): Adjust prototype.
1569 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1570 process_init_element callers.