1 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3 * config/pa/fptr.c: Revert license to GPL 2.
4 * config/pa/milli64.S: Likewise.
6 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
9 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
10 LIBRARY name in, instead of hard-coding it.
11 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
12 extra target make frag to tmake_files according to EH model.
13 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
14 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
15 frags that define makefile variable EH_MODEL appropriately.
16 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
17 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
18 to "-sjlj" according to type of EH configured.
19 (LIBGCC_SONAME): Concatenate it to shared library base name.
20 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
21 to "_sjlj" according to type of EH configured.
22 (LIBGCC_SONAME): Concatenate it to shared library base name.
23 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
24 (SHLIB_LINK): Add missing semicolon to if-else construct.
25 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
26 string value of "pe_dll" command-line option.
27 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
28 (SHLIB_SONAME): Use it when overriding t-cygming default.
29 (SHLIB_IMPLIB): Override t-cygming default.
30 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
31 string value of "pe_dll" command-line option.
33 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
36 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
37 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point
40 2009-01-31 Richard Guenther <rguenther@suse.de>
42 PR tree-optimization/38937
43 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
44 computing the transitive closure.
46 2009-01-30 Richard Guenther <rguenther@suse.de>
48 PR tree-optimization/39041
49 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
50 Propagate variable indices only if the types match for this stmt.
52 2009-01-30 Jakub Jelinek <jakub@redhat.com>
55 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
56 inline but never defined.
58 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
60 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
61 (*insv_h_di_reg_extimm): New insn.
62 (*insv_l<mode>_reg_extimm): New insn.
64 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
66 * config/picochip/picochip.c (flag_conserve_stack): set
67 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
68 fconserve-stack. Reduce call-overhead used by inliner.
70 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
73 * common.opt (flag_conserve_stack): Initialised to zero.
75 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
78 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
79 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
82 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
84 * ira-color.c (allocno_reload_assign): Update comments.
85 * regmove.c (regmove_optimize): Likewise.
89 2009-01-29 Robert Millan <rmh@aybabtu.com>
91 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
92 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
94 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
96 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
98 PR tree-optimization/39007
99 * tree-loop-distribution.c (generate_builtin): Use
100 recompute_dominator to compute the immediate dominator of the
101 basic block just after the loop.
103 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
105 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
106 (ASM_OUTPUT_DWARF_PCREL): Define.
108 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
110 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
111 * doc/passes.texi: Remove entries about regclass, local-alloc, and
112 global. Modify entries about regmove and IRA.
114 * ra-conflict.c: Remove the file.
116 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
118 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
119 (pass_regclass_init): Rename to pass_reginfo_init.
121 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
123 * toplev.h (flag_ira): Remove.
125 * caller-save.c (setup_save_areas): Remove flag_ira.
127 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
130 * global.c: Remove the file.
132 * opts.c: (decode_options): Remove flag_ira.
134 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
136 * regmove.c: Modify file description.
137 (find_use_as_address, try_auto_increment): Define them only if
138 AUTO_INC_DEC is defined.
139 (replacement_quality, replace_in_call_usage, fixup_match_1,
140 stable_and_no_regs_but_for_p): Remove.
141 (reg_set_in_bb): Make it static.
142 (regmove_optimize): Remove flag_ira and code which worked for
145 * local-alloc.c: Remove the file.
147 * common.opt (fira): Remove.
149 * ira.c: Include except.h.
150 (eliminable_regset): Move from global.c.
151 (mark_elimination): Ditto. Remove flag_ira.
152 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
153 equiv_mem_modified, validate_equiv_mem_from_store,
154 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
155 contains_replace_regs, memref_referenced_p, memref_used_between_p,
156 no_equiv, recorded_label_ref): Move from local-alloc.c.
157 (update_equiv_regs): Ditto. Make it static.
158 (print_insn_chain, print_insn_chains): Move it from global.c.
159 pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
160 (build_insn_chain): Ditto. Make it static.
161 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
162 Rename to init_live_subregs.
163 (gate_ira): Remove flag_ira.
165 * regclass.c: Rename reginfo.c. Change file description.
166 (FORBIDDEN_INC_DEC_CLASSES): Remove.
167 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
169 (init_reg_sets_1): Remove code for evaluation of
170 reg_class_superclasses and losing_caller_save_reg_set.
171 (init_regs): Remove init_reg_autoinc.
172 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
173 ok_for_base_p_nonstrict): Remove.
174 (regclass_init): Rename to reginfo_init. Don't initialize
176 (pass_regclass_init): Rename to pass_reginfo_init. Modify
177 corresponding entries.
178 (dump_regclass, record_operand_costs, scan_one_insn,
179 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
180 record_address_regs, auto_inc_dec_reg_p): Remove.
181 (gt-regclass.h): Rename to gt-reginfo.h.
183 * rtl.h (dump_global_regs, retry_global_alloc,
184 build_insn_chain, dump_local_alloc, update_equiv_regs):
187 * Makefile.in (RA_H): Remove.
188 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
189 Rename regclass.o to reginfo.o.
190 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
192 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
193 (GTFILES): Rename regclass.c to reginfo.c.
195 * passes.c (init_optimization_passes): Remove pass_local_alloc and
196 pass_global_alloc. Rename pass_regclass_init to
199 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
200 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
202 (finish_spills): Ditto. Remove code for !flga_ira.
204 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
207 * doc/invoke.texi (rtl debug options): Complete rewrite.
208 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
210 * mode-switching.c (pass_mode_switching): Rename pass from
211 "mode-sw" to "mode_sw".
212 * except.c (pass_convert_to_eh_ranges): Rename pass from
213 "eh-ranges" to "eh_ranges".
214 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
218 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
219 Alexander Monakov <amonakov@ispras.ru>
222 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
224 (move_exprs_to_boundary): Change return type and pass through
225 should_move from move_op. Relax assert. Update usage ...
226 (schedule_expr_on_boundary): ... here. Use should_move instead of
228 (move_op_orig_expr_found): Indicate that insn was disconnected from
230 (code_motion_process_successors): Do not call after_merge_succs
231 callback if original expression was not found when traversing any of
233 (code_motion_path_driver): Change return type. Update prototype.
234 (move_op): Update comment. Add a new parameter (should_move). Update
235 prototype. Set *should_move based on indication provided by
236 move_op_orig_expr_found.
238 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
240 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
241 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
242 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
243 * config/rs6000/rs6000.c (rs6000_override_options): Default
244 avoid-indexed-addresses on for Power6, off for everything else.
245 (avoiding_indexed_address_p): New function.
246 (rs6000_legitimize_address): Use it.
247 (rs6000_legitimate_address): Likewise.
248 * config/rs6000/rs6000.md (movXX_updateX): Likewise
250 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
252 PR tree-optimization/38997
253 * tree-loop-distribution.c (generate_memset_zero): Use
254 POINTER_PLUS_EXPR for a pointer addition.
256 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
258 * config/s390/s390.md (bswap<mode>2): New pattern added.
260 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
262 * config/s390/s390.md (*tls_load_31): Added type attribute.
264 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
266 * config/s390/s390.md: Fix a few comments.
268 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
270 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
271 (*tm<mode>_full): Fixed z10prop attribute.
272 (*tst<mode>_extimm): Fixed z10prop attribute.
273 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
274 (*tstqiCCT_cconly): Fixed z10prop attribute.
275 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
276 (*movsi_larl): Fixed z10prop attribute.
277 (*movsi_zarch): Fixed z10prop attribute.
278 (*movsi_eas): Fixed z10prop attribute.
279 (*movhi): Fixed z10prop attribute.
280 (*movqi): Fixed z10prop attribute.
281 (*movstrictqi): Fixed z10prop attribute.
282 (*mov<mode>): Fixed z10prop attribute.
283 (*movcc): Fixed z10prop attribute.
284 (*sethighpartdi_64): Fixed z10prop attribute.
285 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
286 (*negdi2_sign_cc): Fixed z10prop attribute.
287 (*negdi2_sign): Fixed z10prop attribute.
288 (*absdi2_sign_cc): Fixed z10prop attribute.
289 (*absdi2_sign): Fixed z10prop attribute.
290 (*negabsdi2_sign_cc): Fixed z10prop attribute.
291 (*negabsdi2_sign): Fixed z10prop attribute.
292 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
293 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
294 (doloop_si64): Fixed z10prop attribute.
295 (doloop_si31): Fixed z10prop attribute.
296 (doloop_long): Fixed z10prop attribute.
297 (indirect_jump): Fixed z10prop attribute.
298 (nop): Fixed z10prop attribute.
299 (main_base_64): Fixed z10prop attribute.
300 (reload_base_64): Fixed z10prop attribute.
302 2009-01-28 Jakub Jelinek <jakub@redhat.com>
304 PR rtl-optimization/38740
305 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
307 * config/mips/mips.c (mips_reorg): Likewise.
309 2009-01-28 Richard Guenther <rguenther@suse.de>
311 PR tree-optimization/38926
312 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
313 with the correct value id to a value.
314 (do_regular_insertion): Use the value number of edoubleprime
315 for the value number of the expr.
318 2008-08-21 Richard Guenther <rguenther@suse.de>
320 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
321 a PHI ask VN if it is already available.
322 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
323 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
325 2009-01-28 Jakub Jelinek <jakub@redhat.com>
328 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
329 set to varying whenever max has TREE_OVERFLOW set, similarly
330 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
332 2009-01-28 Richard Guenther <rguenther@suse.de>
335 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
336 uninitialized aggregate uses in call arguments.
338 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
340 PR tree-optimization/38984
341 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
342 the nothing_id variable if -fno-delete-null-pointer-checks.
344 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
347 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
348 (set_got_offset_rex64): Ditto.
350 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
353 * doc/extend.texi: Improve local variable with asm reg.
355 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
357 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
358 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
359 was not supplied then set warn_packed_bitfield_compat to the
361 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
364 2009-01-27 Richard Guenther <rguenther@suse.de>
366 PR tree-optimization/38503
367 * cfgexpand.c (expand_gimple_basic_block): Ignore
368 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
369 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
370 variables that cannot have TBAA applied.
371 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
374 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
377 * calls.c (initialize_argument_information): Do not wrap complex
378 arguments in SAVE_EXPR.
380 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
382 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
383 (INSTALL_LIBGCC): Revert typo commit.
385 2009-01-26 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/38745
388 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
389 from special handling.
391 2009-01-26 Richard Guenther <rguenther@suse.de>
393 PR tree-optimization/38745
394 * tree-ssa.c (execute_update_addresses_taken): Do not include
395 variables that cannot possibly be a register in not_reg_needs.
396 Do not clear TREE_ADDRESSABLE on vars that may not become
398 * tree-ssa.c (update_alias_info_1): Include those in the set
401 2009-01-26 Richard Guenther <rguenther@suse.de>
404 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
405 * tree-ssa-dse.c: Include langhooks.h
406 (execute_simple_dse): Remove stores with zero size.
408 2009-01-24 Jakub Jelinek <jakub@redhat.com>
411 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
414 2009-01-24 Julian Brown <julian@codesourcery.com>
416 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
417 config/arm/linux-atomic.c.
418 * config/arm/linux-atomic.c: New.
420 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
422 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
423 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
424 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
426 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
429 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
432 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
434 PR tree-optimization/38953
435 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
436 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
437 (gloog): Split the exit of the scop when the scop exit is a loop exit.
438 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
441 2009-01-24 Paul Brook <paul@codesourcery.com>
443 * config/arm/neon.md (neon_type): Move to arm.md.
444 (neon_mov<VSTRUCT>): Add neon_type attribute.
445 * config/arm/arm.md (neon_type): Move to here.
446 (conds): Add "unconditioal" and use as default for NEON insns.
448 2009-01-24 Ben Elliston <bje@au.ibm.com>
450 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
451 void *' warning from -Wc++-compat.
452 * Makefile.in (dominance.o-warn): Remove.
454 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
456 PR tree-optimization/38932
457 * fold-const.c (fold_unary_ignore_overflow): New.
458 * tree.h (fold_unary_ignore_overflow): Declare.
459 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
460 * tree-ssa-sccvn.c (visit_reference_op_load,
461 simplify_unary_expression): Likewise.
463 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
465 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
466 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
467 regardless of their type.
468 * c-common.c (handle_packed_attribute): Don't ignore packed on
470 * c.opt (Wpacked-bitfield-compat): New warning option.
471 * stor-layout.c (place_field): Warn if offset of a field changed.
472 * doc/extend.texi (packed): Mention the ABI change.
473 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
474 (Warning Options): Add it to the list.
476 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
478 * c-opts.c (c_common_post_options): Fix a typo in comments.
480 2009-01-22 Steve Ellcey <sje@cup.hp.com>
483 * gimplify.c (gimplify_init_constructor): Fix promotion of const
485 * doc/invoke.texi (-fmerge-all-constants): Update description.
487 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
490 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
491 (*movdi_1_rex64): Use type "mmx" for alternative 5.
493 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
495 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
497 (LOCAL_ALIGNMENT): Similarly.
499 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
500 Joseph Myers <joseph@codesourcery.com>
502 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
503 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
504 * config/arm/arm-tune.md: Regenerate.
505 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
508 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
510 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
511 version number to five.
513 2009-01-22 Dodji Seketeli <dodji@redhat.com>
516 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
517 * c-common.c (set_underlying_type): Likewise.
518 (is_typedef_decl ): Likewise
520 (set_underlying_type): Likewise.
521 (is_typedef_type): Likewise.
523 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
526 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
529 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
532 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
533 (LIBGCC_SPEC): Don't define.
534 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
536 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
538 PR rtl-optimization/38879
539 * alias.c (base_alias_check): Unaligned access via AND address can
540 alias all surrounding object types except those with sizes equal
541 or wider than the size of unaligned access.
543 2009-01-21 Dodji Seketeli <dodji@redhat.com>
546 * c-decl.c: (clone_underlying_type): Move this ...
547 * c-common.c (set_underlying_type): ... here.
548 Also, make sure the function properly sets TYPE_STUB_DECL() on
549 the newly created typedef variant type.
550 (is_typedef_decl ): New entry point.
551 * tree.h: Added a new member member_types_needing_access_check to
552 struct tree_decl_non_common.
553 (set_underlying_type): New entry point.
554 (is_typedef_type): Likewise.
556 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
558 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
559 Check whether two instructions have memory references that
560 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
561 are helper functions for traversing.
562 * alias.h (insn_alias_sets_confilict_p): New prototypes.
563 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
564 not to draw dependency edge for instructions with non-conflicting
567 2009-01-20 Joseph Myers <joseph@codesourcery.com>
570 * longlong.h: Update copyright years. Use soft-fp license
571 notice. Sync __clz_tab declaration with glibc.
573 2009-01-20 Steve Ellcey <sje@cup.hp.com>
576 * doc/extend.texi (syscall_linkage): New.
577 (version_id): Modify.
579 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
580 Richard Guenther <rguenther@suse.de>
582 PR tree-optimization/38747
583 PR tree-optimization/38748
584 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
585 conversion if the base address is an indirect reference and the
586 aliasing sets could cause issues.
588 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
590 * common.opt (fgraphite, fgraphite-identity): Add comment for
591 explaining why these options are not documented.
593 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
595 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
596 gimple_call_lhs is NULL.
598 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
601 * emit-rtl.c (adjust_address_1): Make sure memref is never
604 2009-01-20 Ben Elliston <bje@au.ibm.com>
606 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
607 const qualifier from arg parameter. Remove unnecessary cast to char *.
608 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
609 const qualifier from arg 2.
611 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
613 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
615 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
618 * rtl.h (reinit_regs): New prototype.
619 * regclass.c: Include ira.h.
621 * Makefile.in (regclass.o): Add ira.h.
622 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
624 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
627 * c-common.c (handle_aligned_attribute): Use
628 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
629 default alignment value.
631 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
633 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
634 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
636 * doc/extend.texi: Update __attribute__ ((aligned)). Document
637 __BIGGEST_ALIGNMENT__.
639 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
641 2009-01-18 Richard Guenther <rguenther@suse.de>
643 PR tree-optimization/38819
644 * tree-flow.h (operation_could_trap_helper_p): Declare.
645 * tree-eh.c (operation_could_trap_helper_p): Export.
646 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
647 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
648 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
649 are about to insert a possibly trapping instruction and fail
652 2009-01-18 Andreas Schwab <schwab@suse.de>
654 * doc/install.texi (Configuration): Remove obsolete paragraph
655 about use of --with-gnu-ld with --with-gnu-as.
657 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
659 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
660 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
661 Follow spelling conventions.
663 2009-01-18 Ben Elliston <bje@au.ibm.com>
665 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
666 C++ warning about implicit conversion from void * to struct
668 (bitmap_obstack_free): Likewise for bitmap_element *.
669 * Makefile.in (bitmap.o-warn): Remove.
671 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
673 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
675 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
676 Tobias Grosser <tobi.grosser@amd.com>
678 * graphite.c (graphite_trans_scop_block): Do not block single
681 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
683 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
684 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
687 2009-01-16 Richard Guenther <rguenther@suse.de>
689 PR tree-optimization/38835
691 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
692 and INT + PTR -> (INT)(PTR p+ INT) folding.
693 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
695 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
698 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
699 the subreg from a lowpart subreg if it is also casting the value.
701 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
702 Tobias Grosser <tobi.grosser@amd.com>
704 * graphite.c (compare_prefix_loops): New.
705 (build_scop_canonical_schedules): Rewritten.
706 (graphite_transform_loops): Move build_scop_canonical_schedules
707 after build_scop_iteration_domain.
709 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
710 Tobias Grosser <tobi.grosser@amd.com>
712 * graphite.c (add_conditions_to_domain): Add the loops to
713 the dimension of the iteration domain. Do copy the domain
715 (build_scop_conditions_1): Do not call add_conditions_to_domain.
716 (add_conditions_to_constraints): New.
717 (can_generate_code_stmt, can_generate_code): Removed.
718 (gloog): Do not call can_generate_code.
719 (graphite_transform_loops): Call add_conditions_to_constraints
720 after building the iteration domain.
722 2009-01-16 Jakub Jelinek <jakub@redhat.com>
724 PR tree-optimization/38789
725 * tree-ssa-threadedge.c
726 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
727 __builtin_constant_p.
729 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
731 * dce.c (delete_unmarked_insns): Reversed the order that insns are
732 examined before deleting them.
734 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
736 * function.c (aggregate_value_p): Correctly extract the function
737 type from CALL_EXPR_FN lookup.
739 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
741 * config/picochip/picochip.c (picochip_override_options): Revert
742 CFI asm flag disable commited previously.
744 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
745 Tobias Grosser <tobi.grosser@amd.com>
746 Jan Sjodin <jan.sjodin@amd.com>
748 * graphite.c (scan_tree_for_params): On substractions negate
749 all the coefficients of the term.
750 (clast_to_gcc_expression_red): New. Handle reduction expressions
751 of more than two operands.
752 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
753 (get_vdef_before_scop): Handle also the case of default definitions.
755 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
757 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
758 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
759 Also use them when walking CALL_INSN_FUNCTION_USAGE.
761 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
762 Joey Ye <joey.ye@intel.com>
765 * cfgexpand.c (expand_stack_alignment): Don't update stack
766 boundary nor check incoming stack boundary here.
767 (gimple_expand_cfg): Update stack boundary and check incoming
770 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
772 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
774 2009-01-14 Jakub Jelinek <jakub@redhat.com>
776 PR rtl-optimization/38245
777 * calls.c (expand_call): Add stack arguments to
778 CALL_INSN_FUNCTION_USAGE even for pure calls (when
779 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
780 in regs and partially in memory or BLKmode arguments.
781 (emit_library_call_value_1): Add stack arguments to
782 CALL_INSN_FUNCTION_USAGE even for pure calls (when
783 ACCUMULATE_OUTGOING_ARGS).
784 * dce.c: Include tm_p.h.
785 (find_call_stack_args): New function.
786 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
788 (mark_insn): Call find_call_stack_args for CALL_Ps.
789 (prescan_insns_for_dce): Walk insns backwards in bb rather than
790 forwards. Allocate and free arg_stores bitmap if needed, pass it
791 down to deletable_insn_p, don't mark stores set in arg_stores
792 bitmap, clear the bitmap at the beginning of each bb.
793 * Makefile.in (dce.o): Depend on $(TM_P_H).
795 2009-01-14 Michael Meissner <gnu@the-meissners.org>
798 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
799 to make sure the insn is a conditional test (bug 22599). Reformat a
802 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
805 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
806 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
807 (gloog): Do not call cleanup_tree_cfg.
808 (graphite_transform_loops): Call cleanup_tree_cfg after all
809 scops have been code generated.
811 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
812 * doc/gty.texi (Invoking the garbage collector): Added new node
813 and section documenting ggc_collect.
815 2009-01-14 Richard Guenther <rguenther@suse.de>
817 PR tree-optimization/38826
819 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
820 initialization notes only if we actually emitted a warning.
821 (intra_create_variable_infos): Add constraints for a result decl
822 that is passed by hidden reference.
823 (build_pred_graph): Mark all related variables non-direct on
826 2009-01-14 Nick Clifton <nickc@redhat.com>
828 * ira-conflicts.c: Include addresses.h for the definition of
830 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
831 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
833 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
836 * Makefile.in (ira-lives.o): Add except.h.
838 * ira-lives.c: Include except.h.
839 (process_bb_node_lives): Process can_throw_internal.
841 2009-01-13 Jakub Jelinek <jakub@redhat.com>
843 PR rtl-optimization/38774
844 * combine.c (simplify_set): When undoing cc_use change, don't do
845 PUT_CODE on the newly created comparison, but instead put back the
848 2009-01-13 Joseph Myers <joseph@codesourcery.com>
850 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
851 values. Remove duplicate arm8 entry.
853 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
855 PR tree-optimization/38786
856 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
857 the SSA_NAME case of expand_scalar_variables_expr.
858 Set the type of an expression to the type of its assign statement.
859 (expand_scalar_variables_expr): Also gather the scalar computation
860 used to index the memory access. Do not pass loop_p.
861 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
862 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
863 the gimple_stmt_iterator where it inserts new code.
865 (copy_bb_and_scalar_dependences): Do not pass loop_p.
866 (translate_clast): Update call to copy_bb_and_scalar_dependences.
868 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
870 * graphite.h (debug_value): Removed.
871 * graphite.c (debug_value): Removed.
873 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
875 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
876 ldrd/strd with two 32-bit instructions.
878 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
880 * config/arm/arm.c (struct processors): Pass for speed down into
881 cost helper functions.
882 (const_ok_for_op): Handle COMPARE and inequality nodes.
883 (arm_rtx_costs_1): Rewrite.
884 (arm_size_rtx_costs): Update prototype.
885 (arm_rtx_costs): Pass speed down to helper functions.
886 (arm_slowmul_rtx_costs): Rework cost calculations.
887 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
888 (arm_9e_rtx_costs): Likewise.
890 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
892 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
893 relocations of local symbols wider than UNITS_PER_WORD are not valid.
894 (alpha_legitimize_address): Do not split local symbols wider than
895 UNITS_PER_WORD into HIGH/LO_SUM parts.
897 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
900 * gcc.c (process_command): Replace call to execvp with calls
903 2009-01-03 Anatoly Sokolov <aesok@post.ru>
906 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
907 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
908 variant for devices with 3-byte PC.
909 (__tablejump_elpm__) : New.
911 2009-01-12 Jakub Jelinek <jakub@redhat.com>
914 * c-parser.c (c_parser_postfix_expression): Allow `->' in
915 offsetof member-designator, handle it as `[0].'.
917 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
919 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
920 function when not using named sections on targets with named sections
921 if branch distance is less than 262132.
923 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
925 * combine.c (combine_instructions): Recompute
926 optimize_this_for_speed_p for each BB in the main combine loop.
928 2009-01-12 Tomas Bily <tbily@suse.cz>
931 * tree-loop-distribution.c (prop_phis): New function.
932 (generate_builtin): Call prop_phis.
933 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
935 2009-01-12 Jakub Jelinek <jakub@redhat.com>
937 PR tree-optimization/38807
938 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
939 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
941 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
943 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
944 subreg of op0 to the original op0.
946 2009-01-11 Laurent GUERBY <laurent@guerby.net>
948 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
950 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
953 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
954 starting with digits.
956 2009-01-10 Jakub Jelinek <jakub@redhat.com>
959 * config/arm/arm.c (arm_is_long_call_p): Don't call
960 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
962 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
964 * regrename.c (regrename_optimize): Fix dumping.
965 (find_oldest_value_reg): Preserve REG_POINTER.
966 (copy_hardreg_forward_1): Likewise.
968 2009-01-09 Diego Novillo <dnovillo@google.com>
970 * gimple.h (struct gimple_statement_base)<uid>: Document
971 the restrictions on its use.
973 (gimple_set_uid): Tidy.
975 2009-01-09 Jakub Jelinek <jakub@redhat.com>
977 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
978 zero guard even if align_bytes != 0 and count is smaller than
981 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
983 PR rtl-optimization/38495
984 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
985 (add_range_and_copies_from_move_list): Print all added ranges.
986 Add ranges to memory optimized destination.
988 2009-01-09 Jakub Jelinek <jakub@redhat.com>
992 * config/i386/i386.c (override_options): Reject
993 -mstringop-strategy=rep_8byte with -m32.
994 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
995 to 1. Do count comparison against epilogue_size_needed at compile
996 time even when count_exp was constant forced into register. For
997 size_needed don't jump to epilogue, instead just avoid aligning
998 and invoke the body algorithm. If need_zero_guard, add zero guard
999 even if count is non-zero, but smaller than size_needed + number of
1000 bytes that could be stored for alignment.
1001 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1002 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1003 but smaller than size_needed + number of bytes that could be stored
1004 for alignment. Compare size_needed with epilogue_size_needed instead
1005 of desired_align - align, don't adjust size_needed, pass
1006 epilogue_size_needed to the epilogue expanders.
1009 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1011 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1013 * pa.c (last_address): Change to unsigned.
1014 (update_total_code_bytes): Change argument to unsigned. Don't
1015 check if insn addresses are set.
1016 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1017 addresses are not set.
1018 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1020 2009-01-09 Nick Clifton <nickc@redhat.com>
1022 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1023 DECL_DECLARED_INLINE_P.
1025 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1028 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1029 GET_MODE (op0) in operand_subword_force calls.
1032 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1033 fold_convert arg0 operands to TREE_TYPE (op0) first.
1035 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1037 * params.def (ira-max-conflict-table-size): Decrease default value
1040 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1042 PR tree-optimization/37031
1043 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1045 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1046 allocate it using gc instead of heap, use VEC_quick_push instead of
1048 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1049 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1050 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1051 allocated vector from heap allocated.
1052 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1053 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1054 vector only after perfect_loop_nest_depth call.
1056 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1057 Jan Sjodin <jan.sjodin@amd.com>
1059 PR tree-optimization/38559
1060 * graphite.c (debug_value, copy_constraint,
1061 swap_constraint_variables, scale_constraint_variable, ): New.
1062 (get_lower_bound, get_upper_bound): Removed.
1063 (graphite_trans_bb_strip_mine): Clean up this code that works
1064 only for constant number of iterations. Fully copy upper and
1065 lower bound constraints, not only the constant part of them.
1066 * graphite.h (debug_value): Declared.
1068 2009-01-08 Ira Rosen <irar@il.ibm.com>
1070 PR tree-optimization/37194
1071 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1072 Don't add the cost of cost model guard in prologue to scalar
1073 outside cost in case of known number of iterations.
1075 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1076 Alan Modra <amodra@bigpond.net.au>
1078 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1079 non-word-aligned REG+CONST addressing.
1081 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1084 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1085 free_after_compilation when outputting a thunk.
1086 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1087 Do not call free_after_compilation here.
1089 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1091 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1092 (ix86_valid_target_attribute_inner_p): Ditto.
1094 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1096 PR tree-optimization/38492
1097 PR tree-optimization/38498
1098 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1099 * tree-chrec.h (scev_is_linear_expression): Declared.
1100 * graphite.c (graphite_cannot_represent_loop_niter): New.
1101 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1102 (graphite_loop_normal_form): Use gcc_assert.
1103 (scan_tree_for_params): Use CASE_CONVERT.
1104 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1105 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1106 Use gcc_assert. Discard scops that contain unhandled cases.
1107 (build_scop_conditions): Return a boolean status for unhandled cases.
1108 (strip_mine_profitable_p): Print the loop number, not its depth.
1109 (is_interchange_valid): Pass the depth of the loop nest, don't
1110 recompute it wrongly.
1111 (graphite_trans_bb_block): Same.
1112 (graphite_trans_bb_block): Print tentative of loop blocking.
1113 (graphite_trans_scop_block): Do not print that the loop has been
1115 (graphite_transform_loops): Do not handle scops that contain condition
1118 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1120 AVX Programming Reference (December, 2008)
1121 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1122 (_mm256_stream_pd): Likewise.
1123 (_mm256_stream_ps): Likewise.
1125 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1126 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1127 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1128 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1129 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1130 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1131 (ix86_expand_special_args_builtin): Likewise.
1133 * config/i386/sse.md (AVXMODEDI): New.
1134 (avx_movnt<mode>): Likewise.
1135 (avx_movnt<mode>): Likewise.
1136 (<sse>_movnt<mode>): Remove AVX support.
1137 (sse2_movntv2di): Likewise.
1139 2009-01-07 Richard Guenther <rguenther@suse.de>
1142 * fold-const.c (extract_muldiv): Remove obsolete comment.
1143 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1144 to PLUS_EXPR canonicalization for the canonicalization.
1146 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1148 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1149 hosted cross-compilers generating less efficient code.
1151 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1153 * function.h (rtl_data): Add a dbr_scheduled_p field.
1154 * reorg.c (dbr_schedule): Set it.
1155 (gate_handle_delay_slots): Check it.
1156 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1157 (mips_reorg): Check flag_delayed_branch instead of
1158 mips_base_delayed_branch.
1159 (mips_override_options): Don't set mips_base_delayed_branch
1160 or flag_delayed_branch.
1162 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1164 PR rtl-optimization/38426.
1165 * ira.c (ira): Set current_function_is_leaf earlier.
1167 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1169 PR rtl-optimization/38722
1170 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1171 too early, only set a flag and modify after last possible
1174 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1177 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1178 * real.c (decimal_single_format): Correct values of emin and emax.
1179 (decimal_double_format): Ditto.
1180 (decimal_quad_format): Ditto.
1181 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1182 computation of DECnn_MIN and DECnn_MAX for corrected values of
1183 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1184 __DECnn_MIN__, and adjust its computation for the corrected value
1187 2009-01-06 Jan Hubicka <jh@suse.cz>
1190 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1192 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1194 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1195 Add Robert Clark to the list of testers.
1197 2009-01-06 Jan Hubicka <jh@suse.cz>
1198 Kai Tietz <kai.tietz@onevision.com>
1200 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1201 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1203 2009-01-06 Jan Hubicka <jh@suse.cz>
1204 Kai Tietz <kai.tietz@onevision.com>
1206 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1208 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1209 (ix86_nsaved_regs): Count only general purpose regs.
1210 (ix86_nsaved_sseregs): New.
1211 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1212 to 16 for w64; compute padding and size of sse reg save area.
1213 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1214 general purpose regs.
1215 (ix86_emit_save_sse_regs_using_mov): New.
1216 (ix86_expand_prologue): Save SSE regs if needed.
1217 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1218 (ix86_emit_restore_sse_regs_using_mov): New.
1219 (ix86_expand_epilogue): Save SSE regs if needed.
1221 2009-01-06 Jan Hubicka <jh@suse.cz>
1222 Kai Tietz <kai.tietz@onevision.com>
1224 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1225 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1226 functions when accumulate outgoing args is off.
1228 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1231 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1232 before using pseudos_have_intersected_live_ranges_p.
1234 * ira-int.h (ira_assert): Always define.
1236 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1238 AVX Programming Reference (December, 2008)
1239 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1240 (_mm256_permute2_pd): Likewise.
1241 (_mm_permute2_ps): Likewise.
1242 (_mm256_permute2_ps): Likewise.
1243 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1244 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1246 * config/i386/i386.c (ix86_builtins): Remove
1247 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1248 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1249 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1250 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1251 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1252 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1253 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1254 __builtin_ia32_vpermil2ps256.
1255 (ix86_init_mmx_sse_builtins): Updated.
1256 (ix86_expand_args_builtin): Likewise.
1258 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1260 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1261 long absolute calls when generating PA 2.0 code.
1263 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1265 PR rtl-optimization/38583
1266 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1268 * params.def (ira-max-conflict-table-size): New.
1270 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1272 * ira.h (ira_conflicts_p): New external definition.
1274 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1275 table. Report this. Return result of building.
1276 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1277 building conflict table.
1279 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1280 (ira_color): Use ira_conflicts_p.
1282 * global.c: Include ira.h.
1283 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1286 * Makefile.in (global.o): Add ira.h.
1288 * ira-build.c (mark_all_loops_for_removal,
1289 propagate_some_info_from_allocno): New.
1290 (remove_unnecessary_allocnos): Call
1291 propagate_some_info_from_allocno.
1292 (remove_low_level_allocnos): New.
1293 (remove_unnecessary_regions): Add parameter. Call
1294 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1295 parameter to remove_unnecessary_regions.
1296 (ira_build): Remove all regions but root if the conflict table was
1297 not built. Update conflict hard regs for allocnos crossing calls.
1299 * ira.c (ira_conflicts_p): New global.
1300 (ira): Define and use ira_conflicts_p.
1302 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1303 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1304 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1306 2009-01-06 Ben Elliston <bje@au.ibm.com>
1308 * gengtype-lex.l (YY_NO_INPUT): Define.
1310 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1313 * c-common.c (handle_vector_size_attribute): Also reject
1316 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1318 PR tree-optimization/38492
1319 * graphite.c (rename_map_elt, debug_rename_elt,
1320 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1321 rename_map_elt_info, eq_rename_map_elts,
1322 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1323 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1324 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1325 (sese_build_livein_liveouts): New.
1326 (new_sese, free_sese): New.
1327 (new_scop): Call new_sese.
1328 (free_scop): Call free_sese.
1329 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1330 (register_old_new_names): Renamed register_old_and_new_names.
1331 (register_scop_liveout_renames, add_loop_exit_phis,
1332 insert_loop_close_phis, struct igp,
1333 default_liveout_before_guard, add_guard_exit_phis,
1334 insert_guard_phis, copy_renames): New.
1335 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1336 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1337 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1338 (scop_adjust_phis_for_liveouts): New.
1339 (gloog): Call scop_adjust_phis_for_liveouts.
1341 * graphite.h (struct sese): Documented. Added fields liveout,
1343 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1344 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1345 (struct scop): Added field liveout_renames.
1346 (SCOP_LIVEOUT_RENAMES): New.
1348 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1350 PR tree-optimization/38510
1351 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1352 (translate_clast): Call recompute_all_dominators before
1354 (gloog): Call recompute_all_dominators before graphite_verify.
1356 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1357 Jan Sjodin <jan.sjodin@amd.com>
1359 PR tree-optimization/38500
1360 * graphite.c (create_sese_edges): Call fix_loop_structure after
1363 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1365 * config.gcc: Add m32r*-*-rtems*.
1366 * config/m32r/rtems.h: New file.
1368 2009-01-05 Ben Elliston <bje@au.ibm.com>
1370 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1371 (.po.pox): Likewise.
1372 (po/gcc.pot): Likewise.
1374 2009-01-04 David S. Miller <davem@davemloft.net>
1376 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1377 (STARTING_FRAME_OFFSET): Always set to zero.
1379 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1381 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1382 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1383 fixed-point types, and vectors of the same.
1385 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1387 * config/mips/sync.md (*mb_barrier): Rename to...
1388 (*memory_barrier): ...this.
1390 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1392 * doc/extend.texi (Function Attributes): Move @cindex after @item
1393 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1394 and put in alphabetical order. Fix 'target' name and put in order.
1395 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1398 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1400 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1401 (memory_barrier): Expand as unspec instead of unspec_volatile.
1402 Remove mem:BLK from insn operands. Use Pmode scratch register.
1403 (*memory_barrier): Define as unspec instead of unspec_volatile.
1404 Use (match_dup 0) as input operand.
1406 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1407 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1408 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1409 scratch register. Remove operand 1.
1410 (*stbar): Define as unspec instead of unspec_volatile.
1411 Use (match_dup 0) as input operand, remove (const_int 8).
1412 (*membar): Define as unspec instead of unspec_volatile.
1413 Use (match_dup 0) as input operand, remove input operand 2.
1415 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1416 (memory_barrier): Expand as unspec instead of unspec_volatile.
1417 Remove mem:BLK from insn operands. Use Pmode scratch register.
1418 (*memory_barrier): Define as unspec instead of unspec_volatile.
1419 Use (match_dup 0) as input operand.
1421 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1422 Remove mem:BLK from insn operands. Use Pmode scratch register.
1423 Set volatile flag on operand 0.
1424 (*memory_barrier): New insn pattern.
1426 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1428 (*memory_barrier): Use (match_dup 0) as input operand.
1430 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1431 Remove mem:BLK from insn operands. Use Pmode scratch register.
1432 Set volatile flag on operand 0.
1433 (*mb_internal): New insn pattern.
1435 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1437 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1440 * function.c (struct temp_slot): Move to the section of the file
1441 that deals with temp slots. Remove field 'address'.
1442 (temp_slot_address_table): New hash table of address -> temp slot.
1443 (struct temp_slot_address_entry): New struct, items for the table.
1444 (temp_slot_address_compute_hash, temp_slot_address_hash,
1445 temp_slot_address_eq, insert_temp_slot_address): Support functions
1447 (find_temp_slot_from_address): Rewrite to use the new hash table.
1448 (remove_unused_temp_slot_addresses): Remove addresses of temp
1449 slots that have been made available.
1450 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1451 worker function for remove_unused_temp_slot_addresses.
1452 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1453 Add the temp slot address to the address -> temp slot map.
1454 (update_temp_slot_address): Update via insert_temp_slot_address.
1455 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1456 (pop_temp_slots): Likewise.
1457 (init_temp_slots): Allocate the address -> temp slot map, or empty
1458 the map if it is already allocated.
1459 (prepare_function_start): Initialize temp slot processing.
1461 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1464 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1465 Calculate the size of all stack vars assuming no packing of stack
1466 vars will happen, replacing a quadratic algorithm with a linear one.
1468 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1471 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1474 2009-01-03 Diego Novillo <dnovillo@google.com>
1476 * doc/contrib.texi: Update contributions.
1478 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1481 * builtins.c (fold_builtin_memory_op): Give up if either operand
1482 is volatile. Set srctype or desttype to non-qualified version
1486 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1489 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1491 PR rtl-optimization/35805
1492 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1493 problem if fast dce is able to remove any instructions.
1494 * dce.c (dce_process_block): Fix dump message.
1496 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1499 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1501 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1504 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1505 * tree-pretty-print.c (op_code_prio): New function.
1506 (op_prio): No longer static. Use op_code_prio.
1507 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1508 Use op_prio and op_code_prio to determine if () should be
1509 printed around operand(s) or not.
1511 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1512 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1513 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1514 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1515 pp_character instead of pp_string for single letter printing.
1517 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1519 * doc/extend.texi: Fix '#pragma GCC option' typo.
1521 2009-01-02 Richard Guenther <rguenther@suse.de>
1523 * doc/install.texi (--enable-checking): Mention different
1525 (--enable-stage1-checking): Document.
1527 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1530 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1531 case to be an error.
1533 2009-01-02 Ben Elliston <bje@au.ibm.com>
1535 * config/fp-bit.h (pack_d): Constify argument.
1536 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1537 (isnan): Constify argument.
1541 (_fpadd_parts): Constify return type.
1542 (_fpmul_parts): Likewise.
1543 (_fpdiv_parts): Likewise.
1545 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1548 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1549 warn about overwriting initializer with side-effects or
1550 -Woverride-init if !IMPLICIT.
1551 (output_init_element): Likewise. Pass IMPLICIT down to
1553 (process_init_element): Add IMPLICIT argument. Pass it down
1554 to output_init_element.
1555 (push_init_element, pop_init_level, set_designator): Adjust
1556 process_init_element callers.
1557 (set_nonincremental_init, set_nonincremental_init_from_string):
1558 Adjust add_pending_init callers.
1559 (output_pending_init_elements): Adjust output_init_element callers.
1560 * c-tree.h (process_init_element): Adjust prototype.
1561 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1562 process_init_element callers.