1 Hariharan Sandanagobalane <hariharan@picochip.com>
4 * common.opt (flag_conserve_stack): Initialised to zero.
6 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
9 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
13 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
15 * ira-color.c (allocno_reload_assign): Update comments.
16 * regmove.c (regmove_optimize): Likewise.
20 2009-01-29 Robert Millan <rmh@aybabtu.com>
22 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
23 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
25 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
27 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
29 PR tree-optimization/39007
30 * tree-loop-distribution.c (generate_builtin): Use
31 recompute_dominator to compute the immediate dominator of the
32 basic block just after the loop.
34 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
36 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
37 (ASM_OUTPUT_DWARF_PCREL): Define.
39 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
41 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
42 * doc/passes.texi: Remove entries about regclass, local-alloc, and
43 global. Modify entries about regmove and IRA.
45 * ra-conflict.c: Remove the file.
47 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
49 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
50 (pass_regclass_init): Rename to pass_reginfo_init.
52 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
54 * toplev.h (flag_ira): Remove.
56 * caller-save.c (setup_save_areas): Remove flag_ira.
58 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
61 * global.c: Remove the file.
63 * opts.c: (decode_options): Remove flag_ira.
65 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
67 * regmove.c: Modify file description.
68 (find_use_as_address, try_auto_increment): Define them only if
69 AUTO_INC_DEC is defined.
70 (replacement_quality, replace_in_call_usage, fixup_match_1,
71 stable_and_no_regs_but_for_p): Remove.
72 (reg_set_in_bb): Make it static.
73 (regmove_optimize): Remove flag_ira and code which worked for
76 * local-alloc.c: Remove the file.
78 * common.opt (fira): Remove.
80 * ira.c: Include except.h.
81 (eliminable_regset): Move from global.c.
82 (mark_elimination): Ditto. Remove flag_ira.
83 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
84 equiv_mem_modified, validate_equiv_mem_from_store,
85 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
86 contains_replace_regs, memref_referenced_p, memref_used_between_p,
87 no_equiv, recorded_label_ref): Move from local-alloc.c.
88 (update_equiv_regs): Ditto. Make it static.
89 (print_insn_chain, print_insn_chains): Move it from global.c.
90 pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
91 (build_insn_chain): Ditto. Make it static.
92 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
93 Rename to init_live_subregs.
94 (gate_ira): Remove flag_ira.
96 * regclass.c: Rename reginfo.c. Change file description.
97 (FORBIDDEN_INC_DEC_CLASSES): Remove.
98 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
100 (init_reg_sets_1): Remove code for evaluation of
101 reg_class_superclasses and losing_caller_save_reg_set.
102 (init_regs): Remove init_reg_autoinc.
103 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
104 ok_for_base_p_nonstrict): Remove.
105 (regclass_init): Rename to reginfo_init. Don't initialize
107 (pass_regclass_init): Rename to pass_reginfo_init. Modify
108 corresponding entries.
109 (dump_regclass, record_operand_costs, scan_one_insn,
110 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
111 record_address_regs, auto_inc_dec_reg_p): Remove.
112 (gt-regclass.h): Rename to gt-reginfo.h.
114 * rtl.h (dump_global_regs, retry_global_alloc,
115 build_insn_chain, dump_local_alloc, update_equiv_regs):
118 * Makefile.in (RA_H): Remove.
119 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
120 Rename regclass.o to reginfo.o.
121 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
123 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
124 (GTFILES): Rename regclass.c to reginfo.c.
126 * passes.c (init_optimization_passes): Remove pass_local_alloc and
127 pass_global_alloc. Rename pass_regclass_init to
130 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
131 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
133 (finish_spills): Ditto. Remove code for !flga_ira.
135 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
138 * doc/invoke.texi (rtl debug options): Complete rewrite.
139 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
141 * mode-switching.c (pass_mode_switching): Rename pass from
142 "mode-sw" to "mode_sw".
143 * except.c (pass_convert_to_eh_ranges): Rename pass from
144 "eh-ranges" to "eh_ranges".
145 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
149 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
150 Alexander Monakov <amonakov@ispras.ru>
153 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
155 (move_exprs_to_boundary): Change return type and pass through
156 should_move from move_op. Relax assert. Update usage ...
157 (schedule_expr_on_boundary): ... here. Use should_move instead of
159 (move_op_orig_expr_found): Indicate that insn was disconnected from
161 (code_motion_process_successors): Do not call after_merge_succs
162 callback if original expression was not found when traversing any of
164 (code_motion_path_driver): Change return type. Update prototype.
165 (move_op): Update comment. Add a new parameter (should_move). Update
166 prototype. Set *should_move based on indication provided by
167 move_op_orig_expr_found.
169 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
171 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
172 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
173 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
174 * config/rs6000/rs6000.c (rs6000_override_options): Default
175 avoid-indexed-addresses on for Power6, off for everything else.
176 (avoiding_indexed_address_p): New function.
177 (rs6000_legitimize_address): Use it.
178 (rs6000_legitimate_address): Likewise.
179 * config/rs6000/rs6000.md (movXX_updateX): Likewise
181 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
183 PR tree-optimization/38997
184 * tree-loop-distribution.c (generate_memset_zero): Use
185 POINTER_PLUS_EXPR for a pointer addition.
187 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
189 * config/s390/s390.md (bswap<mode>2): New pattern added.
191 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
193 * config/s390/s390.md (*tls_load_31): Added type attribute.
195 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
197 * config/s390/s390.md: Fix a few comments.
199 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
201 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
202 (*tm<mode>_full): Fixed z10prop attribute.
203 (*tst<mode>_extimm): Fixed z10prop attribute.
204 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
205 (*tstqiCCT_cconly): Fixed z10prop attribute.
206 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
207 (*movsi_larl): Fixed z10prop attribute.
208 (*movsi_zarch): Fixed z10prop attribute.
209 (*movsi_eas): Fixed z10prop attribute.
210 (*movhi): Fixed z10prop attribute.
211 (*movqi): Fixed z10prop attribute.
212 (*movstrictqi): Fixed z10prop attribute.
213 (*mov<mode>): Fixed z10prop attribute.
214 (*movcc): Fixed z10prop attribute.
215 (*sethighpartdi_64): Fixed z10prop attribute.
216 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
217 (*negdi2_sign_cc): Fixed z10prop attribute.
218 (*negdi2_sign): Fixed z10prop attribute.
219 (*absdi2_sign_cc): Fixed z10prop attribute.
220 (*absdi2_sign): Fixed z10prop attribute.
221 (*negabsdi2_sign_cc): Fixed z10prop attribute.
222 (*negabsdi2_sign): Fixed z10prop attribute.
223 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
224 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
225 (doloop_si64): Fixed z10prop attribute.
226 (doloop_si31): Fixed z10prop attribute.
227 (doloop_long): Fixed z10prop attribute.
228 (indirect_jump): Fixed z10prop attribute.
229 (nop): Fixed z10prop attribute.
230 (main_base_64): Fixed z10prop attribute.
231 (reload_base_64): Fixed z10prop attribute.
233 2009-01-28 Jakub Jelinek <jakub@redhat.com>
235 PR rtl-optimization/38740
236 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
238 * config/mips/mips.c (mips_reorg): Likewise.
240 2009-01-28 Richard Guenther <rguenther@suse.de>
242 PR tree-optimization/38926
243 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
244 with the correct value id to a value.
245 (do_regular_insertion): Use the value number of edoubleprime
246 for the value number of the expr.
249 2008-08-21 Richard Guenther <rguenther@suse.de>
251 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
252 a PHI ask VN if it is already available.
253 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
254 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
256 2009-01-28 Jakub Jelinek <jakub@redhat.com>
259 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
260 set to varying whenever max has TREE_OVERFLOW set, similarly
261 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
263 2009-01-28 Richard Guenther <rguenther@suse.de>
266 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
267 uninitialized aggregate uses in call arguments.
269 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
271 PR tree-optimization/38984
272 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
273 the nothing_id variable if -fno-delete-null-pointer-checks.
275 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
278 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
279 (set_got_offset_rex64): Ditto.
281 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
284 * doc/extend.texi: Improve local variable with asm reg.
286 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
288 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
289 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
290 was not supplied then set warn_packed_bitfield_compat to the
292 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
295 2009-01-27 Richard Guenther <rguenther@suse.de>
297 PR tree-optimization/38503
298 * cfgexpand.c (expand_gimple_basic_block): Ignore
299 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
300 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
301 variables that cannot have TBAA applied.
302 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
305 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
308 * calls.c (initialize_argument_information): Do not wrap complex
309 arguments in SAVE_EXPR.
311 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
313 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
314 (INSTALL_LIBGCC): Revert typo commit.
316 2009-01-26 Richard Guenther <rguenther@suse.de>
318 PR tree-optimization/38745
319 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
320 from special handling.
322 2009-01-26 Richard Guenther <rguenther@suse.de>
324 PR tree-optimization/38745
325 * tree-ssa.c (execute_update_addresses_taken): Do not include
326 variables that cannot possibly be a register in not_reg_needs.
327 Do not clear TREE_ADDRESSABLE on vars that may not become
329 * tree-ssa.c (update_alias_info_1): Include those in the set
332 2009-01-26 Richard Guenther <rguenther@suse.de>
335 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
336 * tree-ssa-dse.c: Include langhooks.h
337 (execute_simple_dse): Remove stores with zero size.
339 2009-01-24 Jakub Jelinek <jakub@redhat.com>
342 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
345 2009-01-24 Julian Brown <julian@codesourcery.com>
347 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
348 config/arm/linux-atomic.c.
349 * config/arm/linux-atomic.c: New.
351 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
353 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
354 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
355 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
357 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
360 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
363 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
365 PR tree-optimization/38953
366 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
367 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
368 (gloog): Split the exit of the scop when the scop exit is a loop exit.
369 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
372 2009-01-24 Paul Brook <paul@codesourcery.com>
374 * config/arm/neon.md (neon_type): Move to arm.md.
375 (neon_mov<VSTRUCT>): Add neon_type attribute.
376 * config/arm/arm.md (neon_type): Move to here.
377 (conds): Add "unconditioal" and use as default for NEON insns.
379 2009-01-24 Ben Elliston <bje@au.ibm.com>
381 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
382 void *' warning from -Wc++-compat.
383 * Makefile.in (dominance.o-warn): Remove.
385 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
387 PR tree-optimization/38932
388 * fold-const.c (fold_unary_ignore_overflow): New.
389 * tree.h (fold_unary_ignore_overflow): Declare.
390 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
391 * tree-ssa-sccvn.c (visit_reference_op_load,
392 simplify_unary_expression): Likewise.
394 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
396 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
397 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
398 regardless of their type.
399 * c-common.c (handle_packed_attribute): Don't ignore packed on
401 * c.opt (Wpacked-bitfield-compat): New warning option.
402 * stor-layout.c (place_field): Warn if offset of a field changed.
403 * doc/extend.texi (packed): Mention the ABI change.
404 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
405 (Warning Options): Add it to the list.
407 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
409 * c-opts.c (c_common_post_options): Fix a typo in comments.
411 2009-01-22 Steve Ellcey <sje@cup.hp.com>
414 * gimplify.c (gimplify_init_constructor): Fix promotion of const
416 * doc/invoke.texi (-fmerge-all-constants): Update description.
418 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
421 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
422 (*movdi_1_rex64): Use type "mmx" for alternative 5.
424 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
426 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
428 (LOCAL_ALIGNMENT): Similarly.
430 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
431 Joseph Myers <joseph@codesourcery.com>
433 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
434 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
435 * config/arm/arm-tune.md: Regenerate.
436 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
439 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
441 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
442 version number to five.
444 2009-01-22 Dodji Seketeli <dodji@redhat.com>
447 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
448 * c-common.c (set_underlying_type): Likewise.
449 (is_typedef_decl ): Likewise
451 (set_underlying_type): Likewise.
452 (is_typedef_type): Likewise.
454 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
457 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
460 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
463 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
464 (LIBGCC_SPEC): Don't define.
465 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
467 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
469 PR rtl-optimization/38879
470 * alias.c (base_alias_check): Unaligned access via AND address can
471 alias all surrounding object types except those with sizes equal
472 or wider than the size of unaligned access.
474 2009-01-21 Dodji Seketeli <dodji@redhat.com>
477 * c-decl.c: (clone_underlying_type): Move this ...
478 * c-common.c (set_underlying_type): ... here.
479 Also, make sure the function properly sets TYPE_STUB_DECL() on
480 the newly created typedef variant type.
481 (is_typedef_decl ): New entry point.
482 * tree.h: Added a new member member_types_needing_access_check to
483 struct tree_decl_non_common.
484 (set_underlying_type): New entry point.
485 (is_typedef_type): Likewise.
487 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
489 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
490 Check whether two instructions have memory references that
491 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
492 are helper functions for traversing.
493 * alias.h (insn_alias_sets_confilict_p): New prototypes.
494 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
495 not to draw dependency edge for instructions with non-conflicting
498 2009-01-20 Joseph Myers <joseph@codesourcery.com>
501 * longlong.h: Update copyright years. Use soft-fp license
502 notice. Sync __clz_tab declaration with glibc.
504 2009-01-20 Steve Ellcey <sje@cup.hp.com>
507 * doc/extend.texi (syscall_linkage): New.
508 (version_id): Modify.
510 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
511 Richard Guenther <rguenther@suse.de>
513 PR tree-optimization/38747
514 PR tree-optimization/38748
515 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
516 conversion if the base address is an indirect reference and the
517 aliasing sets could cause issues.
519 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
521 * common.opt (fgraphite, fgraphite-identity): Add comment for
522 explaining why these options are not documented.
524 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
526 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
527 gimple_call_lhs is NULL.
529 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
532 * emit-rtl.c (adjust_address_1): Make sure memref is never
535 2009-01-20 Ben Elliston <bje@au.ibm.com>
537 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
538 const qualifier from arg parameter. Remove unnecessary cast to char *.
539 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
540 const qualifier from arg 2.
542 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
544 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
546 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
549 * rtl.h (reinit_regs): New prototype.
550 * regclass.c: Include ira.h.
552 * Makefile.in (regclass.o): Add ira.h.
553 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
555 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
558 * c-common.c (handle_aligned_attribute): Use
559 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
560 default alignment value.
562 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
564 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
565 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
567 * doc/extend.texi: Update __attribute__ ((aligned)). Document
568 __BIGGEST_ALIGNMENT__.
570 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
572 2009-01-18 Richard Guenther <rguenther@suse.de>
574 PR tree-optimization/38819
575 * tree-flow.h (operation_could_trap_helper_p): Declare.
576 * tree-eh.c (operation_could_trap_helper_p): Export.
577 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
578 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
579 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
580 are about to insert a possibly trapping instruction and fail
583 2009-01-18 Andreas Schwab <schwab@suse.de>
585 * doc/install.texi (Configuration): Remove obsolete paragraph
586 about use of --with-gnu-ld with --with-gnu-as.
588 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
590 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
591 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
592 Follow spelling conventions.
594 2009-01-18 Ben Elliston <bje@au.ibm.com>
596 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
597 C++ warning about implicit conversion from void * to struct
599 (bitmap_obstack_free): Likewise for bitmap_element *.
600 * Makefile.in (bitmap.o-warn): Remove.
602 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
604 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
606 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
607 Tobias Grosser <tobi.grosser@amd.com>
609 * graphite.c (graphite_trans_scop_block): Do not block single
612 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
614 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
615 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
618 2009-01-16 Richard Guenther <rguenther@suse.de>
620 PR tree-optimization/38835
622 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
623 and INT + PTR -> (INT)(PTR p+ INT) folding.
624 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
626 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
629 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
630 the subreg from a lowpart subreg if it is also casting the value.
632 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
633 Tobias Grosser <tobi.grosser@amd.com>
635 * graphite.c (compare_prefix_loops): New.
636 (build_scop_canonical_schedules): Rewritten.
637 (graphite_transform_loops): Move build_scop_canonical_schedules
638 after build_scop_iteration_domain.
640 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
641 Tobias Grosser <tobi.grosser@amd.com>
643 * graphite.c (add_conditions_to_domain): Add the loops to
644 the dimension of the iteration domain. Do copy the domain
646 (build_scop_conditions_1): Do not call add_conditions_to_domain.
647 (add_conditions_to_constraints): New.
648 (can_generate_code_stmt, can_generate_code): Removed.
649 (gloog): Do not call can_generate_code.
650 (graphite_transform_loops): Call add_conditions_to_constraints
651 after building the iteration domain.
653 2009-01-16 Jakub Jelinek <jakub@redhat.com>
655 PR tree-optimization/38789
656 * tree-ssa-threadedge.c
657 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
658 __builtin_constant_p.
660 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
662 * dce.c (delete_unmarked_insns): Reversed the order that insns are
663 examined before deleting them.
665 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
667 * function.c (aggregate_value_p): Correctly extract the function
668 type from CALL_EXPR_FN lookup.
670 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
672 * config/picochip/picochip.c (picochip_override_options): Revert
673 CFI asm flag disable commited previously.
675 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
676 Tobias Grosser <tobi.grosser@amd.com>
677 Jan Sjodin <jan.sjodin@amd.com>
679 * graphite.c (scan_tree_for_params): On substractions negate
680 all the coefficients of the term.
681 (clast_to_gcc_expression_red): New. Handle reduction expressions
682 of more than two operands.
683 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
684 (get_vdef_before_scop): Handle also the case of default definitions.
686 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
688 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
689 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
690 Also use them when walking CALL_INSN_FUNCTION_USAGE.
692 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
693 Joey Ye <joey.ye@intel.com>
696 * cfgexpand.c (expand_stack_alignment): Don't update stack
697 boundary nor check incoming stack boundary here.
698 (gimple_expand_cfg): Update stack boundary and check incoming
701 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
703 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
705 2009-01-14 Jakub Jelinek <jakub@redhat.com>
707 PR rtl-optimization/38245
708 * calls.c (expand_call): Add stack arguments to
709 CALL_INSN_FUNCTION_USAGE even for pure calls (when
710 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
711 in regs and partially in memory or BLKmode arguments.
712 (emit_library_call_value_1): Add stack arguments to
713 CALL_INSN_FUNCTION_USAGE even for pure calls (when
714 ACCUMULATE_OUTGOING_ARGS).
715 * dce.c: Include tm_p.h.
716 (find_call_stack_args): New function.
717 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
719 (mark_insn): Call find_call_stack_args for CALL_Ps.
720 (prescan_insns_for_dce): Walk insns backwards in bb rather than
721 forwards. Allocate and free arg_stores bitmap if needed, pass it
722 down to deletable_insn_p, don't mark stores set in arg_stores
723 bitmap, clear the bitmap at the beginning of each bb.
724 * Makefile.in (dce.o): Depend on $(TM_P_H).
726 2009-01-14 Michael Meissner <gnu@the-meissners.org>
729 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
730 to make sure the insn is a conditional test (bug 22599). Reformat a
733 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
736 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
737 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
738 (gloog): Do not call cleanup_tree_cfg.
739 (graphite_transform_loops): Call cleanup_tree_cfg after all
740 scops have been code generated.
742 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
743 * doc/gty.texi (Invoking the garbage collector): Added new node
744 and section documenting ggc_collect.
746 2009-01-14 Richard Guenther <rguenther@suse.de>
748 PR tree-optimization/38826
750 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
751 initialization notes only if we actually emitted a warning.
752 (intra_create_variable_infos): Add constraints for a result decl
753 that is passed by hidden reference.
754 (build_pred_graph): Mark all related variables non-direct on
757 2009-01-14 Nick Clifton <nickc@redhat.com>
759 * ira-conflicts.c: Include addresses.h for the definition of
761 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
762 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
764 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
767 * Makefile.in (ira-lives.o): Add except.h.
769 * ira-lives.c: Include except.h.
770 (process_bb_node_lives): Process can_throw_internal.
772 2009-01-13 Jakub Jelinek <jakub@redhat.com>
774 PR rtl-optimization/38774
775 * combine.c (simplify_set): When undoing cc_use change, don't do
776 PUT_CODE on the newly created comparison, but instead put back the
779 2009-01-13 Joseph Myers <joseph@codesourcery.com>
781 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
782 values. Remove duplicate arm8 entry.
784 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
786 PR tree-optimization/38786
787 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
788 the SSA_NAME case of expand_scalar_variables_expr.
789 Set the type of an expression to the type of its assign statement.
790 (expand_scalar_variables_expr): Also gather the scalar computation
791 used to index the memory access. Do not pass loop_p.
792 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
793 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
794 the gimple_stmt_iterator where it inserts new code.
796 (copy_bb_and_scalar_dependences): Do not pass loop_p.
797 (translate_clast): Update call to copy_bb_and_scalar_dependences.
799 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
801 * graphite.h (debug_value): Removed.
802 * graphite.c (debug_value): Removed.
804 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
806 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
807 ldrd/strd with two 32-bit instructions.
809 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
811 * config/arm/arm.c (struct processors): Pass for speed down into
812 cost helper functions.
813 (const_ok_for_op): Handle COMPARE and inequality nodes.
814 (arm_rtx_costs_1): Rewrite.
815 (arm_size_rtx_costs): Update prototype.
816 (arm_rtx_costs): Pass speed down to helper functions.
817 (arm_slowmul_rtx_costs): Rework cost calculations.
818 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
819 (arm_9e_rtx_costs): Likewise.
821 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
823 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
824 relocations of local symbols wider than UNITS_PER_WORD are not valid.
825 (alpha_legitimize_address): Do not split local symbols wider than
826 UNITS_PER_WORD into HIGH/LO_SUM parts.
828 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
831 * gcc.c (process_command): Replace call to execvp with calls
834 2009-01-03 Anatoly Sokolov <aesok@post.ru>
837 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
838 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
839 variant for devices with 3-byte PC.
840 (__tablejump_elpm__) : New.
842 2009-01-12 Jakub Jelinek <jakub@redhat.com>
845 * c-parser.c (c_parser_postfix_expression): Allow `->' in
846 offsetof member-designator, handle it as `[0].'.
848 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
850 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
851 function when not using named sections on targets with named sections
852 if branch distance is less than 262132.
854 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
856 * combine.c (combine_instructions): Recompute
857 optimize_this_for_speed_p for each BB in the main combine loop.
859 2009-01-12 Tomas Bily <tbily@suse.cz>
862 * tree-loop-distribution.c (prop_phis): New function.
863 (generate_builtin): Call prop_phis.
864 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
866 2009-01-12 Jakub Jelinek <jakub@redhat.com>
868 PR tree-optimization/38807
869 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
870 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
872 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
874 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
875 subreg of op0 to the original op0.
877 2009-01-11 Laurent GUERBY <laurent@guerby.net>
879 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
881 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
884 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
885 starting with digits.
887 2009-01-10 Jakub Jelinek <jakub@redhat.com>
890 * config/arm/arm.c (arm_is_long_call_p): Don't call
891 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
893 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
895 * regrename.c (regrename_optimize): Fix dumping.
896 (find_oldest_value_reg): Preserve REG_POINTER.
897 (copy_hardreg_forward_1): Likewise.
899 2009-01-09 Diego Novillo <dnovillo@google.com>
901 * gimple.h (struct gimple_statement_base)<uid>: Document
902 the restrictions on its use.
904 (gimple_set_uid): Tidy.
906 2009-01-09 Jakub Jelinek <jakub@redhat.com>
908 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
909 zero guard even if align_bytes != 0 and count is smaller than
912 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
914 PR rtl-optimization/38495
915 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
916 (add_range_and_copies_from_move_list): Print all added ranges.
917 Add ranges to memory optimized destination.
919 2009-01-09 Jakub Jelinek <jakub@redhat.com>
923 * config/i386/i386.c (override_options): Reject
924 -mstringop-strategy=rep_8byte with -m32.
925 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
926 to 1. Do count comparison against epilogue_size_needed at compile
927 time even when count_exp was constant forced into register. For
928 size_needed don't jump to epilogue, instead just avoid aligning
929 and invoke the body algorithm. If need_zero_guard, add zero guard
930 even if count is non-zero, but smaller than size_needed + number of
931 bytes that could be stored for alignment.
932 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
933 to 1. If need_zero_guard, add zero guard even if count is non-zero,
934 but smaller than size_needed + number of bytes that could be stored
935 for alignment. Compare size_needed with epilogue_size_needed instead
936 of desired_align - align, don't adjust size_needed, pass
937 epilogue_size_needed to the epilogue expanders.
940 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
942 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
944 * pa.c (last_address): Change to unsigned.
945 (update_total_code_bytes): Change argument to unsigned. Don't
946 check if insn addresses are set.
947 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
948 addresses are not set.
949 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
951 2009-01-09 Nick Clifton <nickc@redhat.com>
953 * config/sh/symbian.c: Replace uses of DECL_INLINE with
954 DECL_DECLARED_INLINE_P.
956 2009-01-09 Jakub Jelinek <jakub@redhat.com>
959 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
960 GET_MODE (op0) in operand_subword_force calls.
963 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
964 fold_convert arg0 operands to TREE_TYPE (op0) first.
966 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
968 * params.def (ira-max-conflict-table-size): Decrease default value
971 2009-01-08 Jakub Jelinek <jakub@redhat.com>
973 PR tree-optimization/37031
974 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
976 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
977 allocate it using gc instead of heap, use VEC_quick_push instead of
979 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
980 instead of heap, use VEC_quick_push instead of VEC_safe_push.
981 * tree-data-ref.h (struct access_matrix): Change matrix to gc
982 allocated vector from heap allocated.
983 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
984 * tree-loop-linear.c (linear_transform_loops): Allocate nest
985 vector only after perfect_loop_nest_depth call.
987 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
988 Jan Sjodin <jan.sjodin@amd.com>
990 PR tree-optimization/38559
991 * graphite.c (debug_value, copy_constraint,
992 swap_constraint_variables, scale_constraint_variable, ): New.
993 (get_lower_bound, get_upper_bound): Removed.
994 (graphite_trans_bb_strip_mine): Clean up this code that works
995 only for constant number of iterations. Fully copy upper and
996 lower bound constraints, not only the constant part of them.
997 * graphite.h (debug_value): Declared.
999 2009-01-08 Ira Rosen <irar@il.ibm.com>
1001 PR tree-optimization/37194
1002 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1003 Don't add the cost of cost model guard in prologue to scalar
1004 outside cost in case of known number of iterations.
1006 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1007 Alan Modra <amodra@bigpond.net.au>
1009 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1010 non-word-aligned REG+CONST addressing.
1012 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1015 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1016 free_after_compilation when outputting a thunk.
1017 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1018 Do not call free_after_compilation here.
1020 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1022 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1023 (ix86_valid_target_attribute_inner_p): Ditto.
1025 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1027 PR tree-optimization/38492
1028 PR tree-optimization/38498
1029 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1030 * tree-chrec.h (scev_is_linear_expression): Declared.
1031 * graphite.c (graphite_cannot_represent_loop_niter): New.
1032 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1033 (graphite_loop_normal_form): Use gcc_assert.
1034 (scan_tree_for_params): Use CASE_CONVERT.
1035 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1036 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1037 Use gcc_assert. Discard scops that contain unhandled cases.
1038 (build_scop_conditions): Return a boolean status for unhandled cases.
1039 (strip_mine_profitable_p): Print the loop number, not its depth.
1040 (is_interchange_valid): Pass the depth of the loop nest, don't
1041 recompute it wrongly.
1042 (graphite_trans_bb_block): Same.
1043 (graphite_trans_bb_block): Print tentative of loop blocking.
1044 (graphite_trans_scop_block): Do not print that the loop has been
1046 (graphite_transform_loops): Do not handle scops that contain condition
1049 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1051 AVX Programming Reference (December, 2008)
1052 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1053 (_mm256_stream_pd): Likewise.
1054 (_mm256_stream_ps): Likewise.
1056 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1057 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1058 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1059 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1060 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1061 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1062 (ix86_expand_special_args_builtin): Likewise.
1064 * config/i386/sse.md (AVXMODEDI): New.
1065 (avx_movnt<mode>): Likewise.
1066 (avx_movnt<mode>): Likewise.
1067 (<sse>_movnt<mode>): Remove AVX support.
1068 (sse2_movntv2di): Likewise.
1070 2009-01-07 Richard Guenther <rguenther@suse.de>
1073 * fold-const.c (extract_muldiv): Remove obsolete comment.
1074 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1075 to PLUS_EXPR canonicalization for the canonicalization.
1077 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1079 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1080 hosted cross-compilers generating less efficient code.
1082 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1084 * function.h (rtl_data): Add a dbr_scheduled_p field.
1085 * reorg.c (dbr_schedule): Set it.
1086 (gate_handle_delay_slots): Check it.
1087 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1088 (mips_reorg): Check flag_delayed_branch instead of
1089 mips_base_delayed_branch.
1090 (mips_override_options): Don't set mips_base_delayed_branch
1091 or flag_delayed_branch.
1093 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1095 PR rtl-optimization/38426.
1096 * ira.c (ira): Set current_function_is_leaf earlier.
1098 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1100 PR rtl-optimization/38722
1101 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1102 too early, only set a flag and modify after last possible
1105 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1108 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1109 * real.c (decimal_single_format): Correct values of emin and emax.
1110 (decimal_double_format): Ditto.
1111 (decimal_quad_format): Ditto.
1112 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1113 computation of DECnn_MIN and DECnn_MAX for corrected values of
1114 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1115 __DECnn_MIN__, and adjust its computation for the corrected value
1118 2009-01-06 Jan Hubicka <jh@suse.cz>
1121 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1123 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1125 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1126 Add Robert Clark to the list of testers.
1128 2009-01-06 Jan Hubicka <jh@suse.cz>
1129 Kai Tietz <kai.tietz@onevision.com>
1131 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1132 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1134 2009-01-06 Jan Hubicka <jh@suse.cz>
1135 Kai Tietz <kai.tietz@onevision.com>
1137 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1139 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1140 (ix86_nsaved_regs): Count only general purpose regs.
1141 (ix86_nsaved_sseregs): New.
1142 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1143 to 16 for w64; compute padding and size of sse reg save area.
1144 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1145 general purpose regs.
1146 (ix86_emit_save_sse_regs_using_mov): New.
1147 (ix86_expand_prologue): Save SSE regs if needed.
1148 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1149 (ix86_emit_restore_sse_regs_using_mov): New.
1150 (ix86_expand_epilogue): Save SSE regs if needed.
1152 2009-01-06 Jan Hubicka <jh@suse.cz>
1153 Kai Tietz <kai.tietz@onevision.com>
1155 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1156 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1157 functions when accumulate outgoing args is off.
1159 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1162 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1163 before using pseudos_have_intersected_live_ranges_p.
1165 * ira-int.h (ira_assert): Always define.
1167 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1169 AVX Programming Reference (December, 2008)
1170 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1171 (_mm256_permute2_pd): Likewise.
1172 (_mm_permute2_ps): Likewise.
1173 (_mm256_permute2_ps): Likewise.
1174 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1175 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1177 * config/i386/i386.c (ix86_builtins): Remove
1178 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1179 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1180 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1181 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1182 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1183 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1184 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1185 __builtin_ia32_vpermil2ps256.
1186 (ix86_init_mmx_sse_builtins): Updated.
1187 (ix86_expand_args_builtin): Likewise.
1189 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1191 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1192 long absolute calls when generating PA 2.0 code.
1194 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1196 PR rtl-optimization/38583
1197 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1199 * params.def (ira-max-conflict-table-size): New.
1201 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1203 * ira.h (ira_conflicts_p): New external definition.
1205 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1206 table. Report this. Return result of building.
1207 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1208 building conflict table.
1210 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1211 (ira_color): Use ira_conflicts_p.
1213 * global.c: Include ira.h.
1214 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1217 * Makefile.in (global.o): Add ira.h.
1219 * ira-build.c (mark_all_loops_for_removal,
1220 propagate_some_info_from_allocno): New.
1221 (remove_unnecessary_allocnos): Call
1222 propagate_some_info_from_allocno.
1223 (remove_low_level_allocnos): New.
1224 (remove_unnecessary_regions): Add parameter. Call
1225 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1226 parameter to remove_unnecessary_regions.
1227 (ira_build): Remove all regions but root if the conflict table was
1228 not built. Update conflict hard regs for allocnos crossing calls.
1230 * ira.c (ira_conflicts_p): New global.
1231 (ira): Define and use ira_conflicts_p.
1233 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1234 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1235 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1237 2009-01-06 Ben Elliston <bje@au.ibm.com>
1239 * gengtype-lex.l (YY_NO_INPUT): Define.
1241 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1244 * c-common.c (handle_vector_size_attribute): Also reject
1247 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1249 PR tree-optimization/38492
1250 * graphite.c (rename_map_elt, debug_rename_elt,
1251 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1252 rename_map_elt_info, eq_rename_map_elts,
1253 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1254 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1255 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1256 (sese_build_livein_liveouts): New.
1257 (new_sese, free_sese): New.
1258 (new_scop): Call new_sese.
1259 (free_scop): Call free_sese.
1260 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1261 (register_old_new_names): Renamed register_old_and_new_names.
1262 (register_scop_liveout_renames, add_loop_exit_phis,
1263 insert_loop_close_phis, struct igp,
1264 default_liveout_before_guard, add_guard_exit_phis,
1265 insert_guard_phis, copy_renames): New.
1266 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1267 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1268 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1269 (scop_adjust_phis_for_liveouts): New.
1270 (gloog): Call scop_adjust_phis_for_liveouts.
1272 * graphite.h (struct sese): Documented. Added fields liveout,
1274 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1275 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1276 (struct scop): Added field liveout_renames.
1277 (SCOP_LIVEOUT_RENAMES): New.
1279 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1281 PR tree-optimization/38510
1282 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1283 (translate_clast): Call recompute_all_dominators before
1285 (gloog): Call recompute_all_dominators before graphite_verify.
1287 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1288 Jan Sjodin <jan.sjodin@amd.com>
1290 PR tree-optimization/38500
1291 * graphite.c (create_sese_edges): Call fix_loop_structure after
1294 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1296 * config.gcc: Add m32r*-*-rtems*.
1297 * config/m32r/rtems.h: New file.
1299 2009-01-05 Ben Elliston <bje@au.ibm.com>
1301 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1302 (.po.pox): Likewise.
1303 (po/gcc.pot): Likewise.
1305 2009-01-04 David S. Miller <davem@davemloft.net>
1307 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1308 (STARTING_FRAME_OFFSET): Always set to zero.
1310 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1312 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1313 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1314 fixed-point types, and vectors of the same.
1316 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1318 * config/mips/sync.md (*mb_barrier): Rename to...
1319 (*memory_barrier): ...this.
1321 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1323 * doc/extend.texi (Function Attributes): Move @cindex after @item
1324 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1325 and put in alphabetical order. Fix 'target' name and put in order.
1326 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1329 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1331 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1332 (memory_barrier): Expand as unspec instead of unspec_volatile.
1333 Remove mem:BLK from insn operands. Use Pmode scratch register.
1334 (*memory_barrier): Define as unspec instead of unspec_volatile.
1335 Use (match_dup 0) as input operand.
1337 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1338 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1339 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1340 scratch register. Remove operand 1.
1341 (*stbar): Define as unspec instead of unspec_volatile.
1342 Use (match_dup 0) as input operand, remove (const_int 8).
1343 (*membar): Define as unspec instead of unspec_volatile.
1344 Use (match_dup 0) as input operand, remove input operand 2.
1346 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1347 (memory_barrier): Expand as unspec instead of unspec_volatile.
1348 Remove mem:BLK from insn operands. Use Pmode scratch register.
1349 (*memory_barrier): Define as unspec instead of unspec_volatile.
1350 Use (match_dup 0) as input operand.
1352 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1353 Remove mem:BLK from insn operands. Use Pmode scratch register.
1354 Set volatile flag on operand 0.
1355 (*memory_barrier): New insn pattern.
1357 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1359 (*memory_barrier): Use (match_dup 0) as input operand.
1361 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1362 Remove mem:BLK from insn operands. Use Pmode scratch register.
1363 Set volatile flag on operand 0.
1364 (*mb_internal): New insn pattern.
1366 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1368 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1371 * function.c (struct temp_slot): Move to the section of the file
1372 that deals with temp slots. Remove field 'address'.
1373 (temp_slot_address_table): New hash table of address -> temp slot.
1374 (struct temp_slot_address_entry): New struct, items for the table.
1375 (temp_slot_address_compute_hash, temp_slot_address_hash,
1376 temp_slot_address_eq, insert_temp_slot_address): Support functions
1378 (find_temp_slot_from_address): Rewrite to use the new hash table.
1379 (remove_unused_temp_slot_addresses): Remove addresses of temp
1380 slots that have been made available.
1381 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1382 worker function for remove_unused_temp_slot_addresses.
1383 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1384 Add the temp slot address to the address -> temp slot map.
1385 (update_temp_slot_address): Update via insert_temp_slot_address.
1386 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1387 (pop_temp_slots): Likewise.
1388 (init_temp_slots): Allocate the address -> temp slot map, or empty
1389 the map if it is already allocated.
1390 (prepare_function_start): Initialize temp slot processing.
1392 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1395 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1396 Calculate the size of all stack vars assuming no packing of stack
1397 vars will happen, replacing a quadratic algorithm with a linear one.
1399 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1402 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1405 2009-01-03 Diego Novillo <dnovillo@google.com>
1407 * doc/contrib.texi: Update contributions.
1409 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1412 * builtins.c (fold_builtin_memory_op): Give up if either operand
1413 is volatile. Set srctype or desttype to non-qualified version
1417 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1420 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1422 PR rtl-optimization/35805
1423 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1424 problem if fast dce is able to remove any instructions.
1425 * dce.c (dce_process_block): Fix dump message.
1427 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1430 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1432 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1435 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1436 * tree-pretty-print.c (op_code_prio): New function.
1437 (op_prio): No longer static. Use op_code_prio.
1438 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1439 Use op_prio and op_code_prio to determine if () should be
1440 printed around operand(s) or not.
1442 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1443 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1444 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1445 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1446 pp_character instead of pp_string for single letter printing.
1448 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1450 * doc/extend.texi: Fix '#pragma GCC option' typo.
1452 2009-01-02 Richard Guenther <rguenther@suse.de>
1454 * doc/install.texi (--enable-checking): Mention different
1456 (--enable-stage1-checking): Document.
1458 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1461 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1462 case to be an error.
1464 2009-01-02 Ben Elliston <bje@au.ibm.com>
1466 * config/fp-bit.h (pack_d): Constify argument.
1467 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1468 (isnan): Constify argument.
1472 (_fpadd_parts): Constify return type.
1473 (_fpmul_parts): Likewise.
1474 (_fpdiv_parts): Likewise.
1476 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1479 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1480 warn about overwriting initializer with side-effects or
1481 -Woverride-init if !IMPLICIT.
1482 (output_init_element): Likewise. Pass IMPLICIT down to
1484 (process_init_element): Add IMPLICIT argument. Pass it down
1485 to output_init_element.
1486 (push_init_element, pop_init_level, set_designator): Adjust
1487 process_init_element callers.
1488 (set_nonincremental_init, set_nonincremental_init_from_string):
1489 Adjust add_pending_init callers.
1490 (output_pending_init_elements): Adjust output_init_element callers.
1491 * c-tree.h (process_init_element): Adjust prototype.
1492 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1493 process_init_element callers.