1 Hariharan Sandanagobalane <hariharan@picochip.com>
3 * config/picochip/picochip.c (flag_conserve_stack): set
4 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5 fconserve-stack. Reduce call-overhead used by inliner.
7 Hariharan Sandanagobalane <hariharan@picochip.com>
10 * common.opt (flag_conserve_stack): Initialised to zero.
12 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
15 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
16 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
19 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
21 * ira-color.c (allocno_reload_assign): Update comments.
22 * regmove.c (regmove_optimize): Likewise.
26 2009-01-29 Robert Millan <rmh@aybabtu.com>
28 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
29 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
31 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
33 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
35 PR tree-optimization/39007
36 * tree-loop-distribution.c (generate_builtin): Use
37 recompute_dominator to compute the immediate dominator of the
38 basic block just after the loop.
40 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
42 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
43 (ASM_OUTPUT_DWARF_PCREL): Define.
45 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
47 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
48 * doc/passes.texi: Remove entries about regclass, local-alloc, and
49 global. Modify entries about regmove and IRA.
51 * ra-conflict.c: Remove the file.
53 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
55 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
56 (pass_regclass_init): Rename to pass_reginfo_init.
58 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
60 * toplev.h (flag_ira): Remove.
62 * caller-save.c (setup_save_areas): Remove flag_ira.
64 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
67 * global.c: Remove the file.
69 * opts.c: (decode_options): Remove flag_ira.
71 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
73 * regmove.c: Modify file description.
74 (find_use_as_address, try_auto_increment): Define them only if
75 AUTO_INC_DEC is defined.
76 (replacement_quality, replace_in_call_usage, fixup_match_1,
77 stable_and_no_regs_but_for_p): Remove.
78 (reg_set_in_bb): Make it static.
79 (regmove_optimize): Remove flag_ira and code which worked for
82 * local-alloc.c: Remove the file.
84 * common.opt (fira): Remove.
86 * ira.c: Include except.h.
87 (eliminable_regset): Move from global.c.
88 (mark_elimination): Ditto. Remove flag_ira.
89 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
90 equiv_mem_modified, validate_equiv_mem_from_store,
91 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
92 contains_replace_regs, memref_referenced_p, memref_used_between_p,
93 no_equiv, recorded_label_ref): Move from local-alloc.c.
94 (update_equiv_regs): Ditto. Make it static.
95 (print_insn_chain, print_insn_chains): Move it from global.c.
96 pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
97 (build_insn_chain): Ditto. Make it static.
98 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
99 Rename to init_live_subregs.
100 (gate_ira): Remove flag_ira.
102 * regclass.c: Rename reginfo.c. Change file description.
103 (FORBIDDEN_INC_DEC_CLASSES): Remove.
104 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
106 (init_reg_sets_1): Remove code for evaluation of
107 reg_class_superclasses and losing_caller_save_reg_set.
108 (init_regs): Remove init_reg_autoinc.
109 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
110 ok_for_base_p_nonstrict): Remove.
111 (regclass_init): Rename to reginfo_init. Don't initialize
113 (pass_regclass_init): Rename to pass_reginfo_init. Modify
114 corresponding entries.
115 (dump_regclass, record_operand_costs, scan_one_insn,
116 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
117 record_address_regs, auto_inc_dec_reg_p): Remove.
118 (gt-regclass.h): Rename to gt-reginfo.h.
120 * rtl.h (dump_global_regs, retry_global_alloc,
121 build_insn_chain, dump_local_alloc, update_equiv_regs):
124 * Makefile.in (RA_H): Remove.
125 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
126 Rename regclass.o to reginfo.o.
127 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
129 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
130 (GTFILES): Rename regclass.c to reginfo.c.
132 * passes.c (init_optimization_passes): Remove pass_local_alloc and
133 pass_global_alloc. Rename pass_regclass_init to
136 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
137 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
139 (finish_spills): Ditto. Remove code for !flga_ira.
141 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
144 * doc/invoke.texi (rtl debug options): Complete rewrite.
145 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
147 * mode-switching.c (pass_mode_switching): Rename pass from
148 "mode-sw" to "mode_sw".
149 * except.c (pass_convert_to_eh_ranges): Rename pass from
150 "eh-ranges" to "eh_ranges".
151 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
155 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
156 Alexander Monakov <amonakov@ispras.ru>
159 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
161 (move_exprs_to_boundary): Change return type and pass through
162 should_move from move_op. Relax assert. Update usage ...
163 (schedule_expr_on_boundary): ... here. Use should_move instead of
165 (move_op_orig_expr_found): Indicate that insn was disconnected from
167 (code_motion_process_successors): Do not call after_merge_succs
168 callback if original expression was not found when traversing any of
170 (code_motion_path_driver): Change return type. Update prototype.
171 (move_op): Update comment. Add a new parameter (should_move). Update
172 prototype. Set *should_move based on indication provided by
173 move_op_orig_expr_found.
175 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
177 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
178 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
179 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
180 * config/rs6000/rs6000.c (rs6000_override_options): Default
181 avoid-indexed-addresses on for Power6, off for everything else.
182 (avoiding_indexed_address_p): New function.
183 (rs6000_legitimize_address): Use it.
184 (rs6000_legitimate_address): Likewise.
185 * config/rs6000/rs6000.md (movXX_updateX): Likewise
187 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
189 PR tree-optimization/38997
190 * tree-loop-distribution.c (generate_memset_zero): Use
191 POINTER_PLUS_EXPR for a pointer addition.
193 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
195 * config/s390/s390.md (bswap<mode>2): New pattern added.
197 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
199 * config/s390/s390.md (*tls_load_31): Added type attribute.
201 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
203 * config/s390/s390.md: Fix a few comments.
205 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
207 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
208 (*tm<mode>_full): Fixed z10prop attribute.
209 (*tst<mode>_extimm): Fixed z10prop attribute.
210 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
211 (*tstqiCCT_cconly): Fixed z10prop attribute.
212 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
213 (*movsi_larl): Fixed z10prop attribute.
214 (*movsi_zarch): Fixed z10prop attribute.
215 (*movsi_eas): Fixed z10prop attribute.
216 (*movhi): Fixed z10prop attribute.
217 (*movqi): Fixed z10prop attribute.
218 (*movstrictqi): Fixed z10prop attribute.
219 (*mov<mode>): Fixed z10prop attribute.
220 (*movcc): Fixed z10prop attribute.
221 (*sethighpartdi_64): Fixed z10prop attribute.
222 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
223 (*negdi2_sign_cc): Fixed z10prop attribute.
224 (*negdi2_sign): Fixed z10prop attribute.
225 (*absdi2_sign_cc): Fixed z10prop attribute.
226 (*absdi2_sign): Fixed z10prop attribute.
227 (*negabsdi2_sign_cc): Fixed z10prop attribute.
228 (*negabsdi2_sign): Fixed z10prop attribute.
229 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
230 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
231 (doloop_si64): Fixed z10prop attribute.
232 (doloop_si31): Fixed z10prop attribute.
233 (doloop_long): Fixed z10prop attribute.
234 (indirect_jump): Fixed z10prop attribute.
235 (nop): Fixed z10prop attribute.
236 (main_base_64): Fixed z10prop attribute.
237 (reload_base_64): Fixed z10prop attribute.
239 2009-01-28 Jakub Jelinek <jakub@redhat.com>
241 PR rtl-optimization/38740
242 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
244 * config/mips/mips.c (mips_reorg): Likewise.
246 2009-01-28 Richard Guenther <rguenther@suse.de>
248 PR tree-optimization/38926
249 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
250 with the correct value id to a value.
251 (do_regular_insertion): Use the value number of edoubleprime
252 for the value number of the expr.
255 2008-08-21 Richard Guenther <rguenther@suse.de>
257 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
258 a PHI ask VN if it is already available.
259 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
260 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
262 2009-01-28 Jakub Jelinek <jakub@redhat.com>
265 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
266 set to varying whenever max has TREE_OVERFLOW set, similarly
267 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
269 2009-01-28 Richard Guenther <rguenther@suse.de>
272 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
273 uninitialized aggregate uses in call arguments.
275 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
277 PR tree-optimization/38984
278 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
279 the nothing_id variable if -fno-delete-null-pointer-checks.
281 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
284 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
285 (set_got_offset_rex64): Ditto.
287 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
290 * doc/extend.texi: Improve local variable with asm reg.
292 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
294 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
295 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
296 was not supplied then set warn_packed_bitfield_compat to the
298 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
301 2009-01-27 Richard Guenther <rguenther@suse.de>
303 PR tree-optimization/38503
304 * cfgexpand.c (expand_gimple_basic_block): Ignore
305 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
306 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
307 variables that cannot have TBAA applied.
308 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
311 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
314 * calls.c (initialize_argument_information): Do not wrap complex
315 arguments in SAVE_EXPR.
317 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
319 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
320 (INSTALL_LIBGCC): Revert typo commit.
322 2009-01-26 Richard Guenther <rguenther@suse.de>
324 PR tree-optimization/38745
325 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
326 from special handling.
328 2009-01-26 Richard Guenther <rguenther@suse.de>
330 PR tree-optimization/38745
331 * tree-ssa.c (execute_update_addresses_taken): Do not include
332 variables that cannot possibly be a register in not_reg_needs.
333 Do not clear TREE_ADDRESSABLE on vars that may not become
335 * tree-ssa.c (update_alias_info_1): Include those in the set
338 2009-01-26 Richard Guenther <rguenther@suse.de>
341 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
342 * tree-ssa-dse.c: Include langhooks.h
343 (execute_simple_dse): Remove stores with zero size.
345 2009-01-24 Jakub Jelinek <jakub@redhat.com>
348 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
351 2009-01-24 Julian Brown <julian@codesourcery.com>
353 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
354 config/arm/linux-atomic.c.
355 * config/arm/linux-atomic.c: New.
357 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
359 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
360 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
361 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
363 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
366 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
369 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
371 PR tree-optimization/38953
372 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
373 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
374 (gloog): Split the exit of the scop when the scop exit is a loop exit.
375 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
378 2009-01-24 Paul Brook <paul@codesourcery.com>
380 * config/arm/neon.md (neon_type): Move to arm.md.
381 (neon_mov<VSTRUCT>): Add neon_type attribute.
382 * config/arm/arm.md (neon_type): Move to here.
383 (conds): Add "unconditioal" and use as default for NEON insns.
385 2009-01-24 Ben Elliston <bje@au.ibm.com>
387 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
388 void *' warning from -Wc++-compat.
389 * Makefile.in (dominance.o-warn): Remove.
391 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
393 PR tree-optimization/38932
394 * fold-const.c (fold_unary_ignore_overflow): New.
395 * tree.h (fold_unary_ignore_overflow): Declare.
396 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
397 * tree-ssa-sccvn.c (visit_reference_op_load,
398 simplify_unary_expression): Likewise.
400 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
402 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
403 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
404 regardless of their type.
405 * c-common.c (handle_packed_attribute): Don't ignore packed on
407 * c.opt (Wpacked-bitfield-compat): New warning option.
408 * stor-layout.c (place_field): Warn if offset of a field changed.
409 * doc/extend.texi (packed): Mention the ABI change.
410 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
411 (Warning Options): Add it to the list.
413 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
415 * c-opts.c (c_common_post_options): Fix a typo in comments.
417 2009-01-22 Steve Ellcey <sje@cup.hp.com>
420 * gimplify.c (gimplify_init_constructor): Fix promotion of const
422 * doc/invoke.texi (-fmerge-all-constants): Update description.
424 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
427 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
428 (*movdi_1_rex64): Use type "mmx" for alternative 5.
430 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
432 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
434 (LOCAL_ALIGNMENT): Similarly.
436 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
437 Joseph Myers <joseph@codesourcery.com>
439 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
440 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
441 * config/arm/arm-tune.md: Regenerate.
442 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
445 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
447 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
448 version number to five.
450 2009-01-22 Dodji Seketeli <dodji@redhat.com>
453 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
454 * c-common.c (set_underlying_type): Likewise.
455 (is_typedef_decl ): Likewise
457 (set_underlying_type): Likewise.
458 (is_typedef_type): Likewise.
460 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
463 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
466 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
469 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
470 (LIBGCC_SPEC): Don't define.
471 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
473 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
475 PR rtl-optimization/38879
476 * alias.c (base_alias_check): Unaligned access via AND address can
477 alias all surrounding object types except those with sizes equal
478 or wider than the size of unaligned access.
480 2009-01-21 Dodji Seketeli <dodji@redhat.com>
483 * c-decl.c: (clone_underlying_type): Move this ...
484 * c-common.c (set_underlying_type): ... here.
485 Also, make sure the function properly sets TYPE_STUB_DECL() on
486 the newly created typedef variant type.
487 (is_typedef_decl ): New entry point.
488 * tree.h: Added a new member member_types_needing_access_check to
489 struct tree_decl_non_common.
490 (set_underlying_type): New entry point.
491 (is_typedef_type): Likewise.
493 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
495 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
496 Check whether two instructions have memory references that
497 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
498 are helper functions for traversing.
499 * alias.h (insn_alias_sets_confilict_p): New prototypes.
500 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
501 not to draw dependency edge for instructions with non-conflicting
504 2009-01-20 Joseph Myers <joseph@codesourcery.com>
507 * longlong.h: Update copyright years. Use soft-fp license
508 notice. Sync __clz_tab declaration with glibc.
510 2009-01-20 Steve Ellcey <sje@cup.hp.com>
513 * doc/extend.texi (syscall_linkage): New.
514 (version_id): Modify.
516 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
517 Richard Guenther <rguenther@suse.de>
519 PR tree-optimization/38747
520 PR tree-optimization/38748
521 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
522 conversion if the base address is an indirect reference and the
523 aliasing sets could cause issues.
525 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
527 * common.opt (fgraphite, fgraphite-identity): Add comment for
528 explaining why these options are not documented.
530 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
532 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
533 gimple_call_lhs is NULL.
535 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
538 * emit-rtl.c (adjust_address_1): Make sure memref is never
541 2009-01-20 Ben Elliston <bje@au.ibm.com>
543 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
544 const qualifier from arg parameter. Remove unnecessary cast to char *.
545 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
546 const qualifier from arg 2.
548 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
550 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
552 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
555 * rtl.h (reinit_regs): New prototype.
556 * regclass.c: Include ira.h.
558 * Makefile.in (regclass.o): Add ira.h.
559 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
561 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
564 * c-common.c (handle_aligned_attribute): Use
565 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
566 default alignment value.
568 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
570 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
571 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
573 * doc/extend.texi: Update __attribute__ ((aligned)). Document
574 __BIGGEST_ALIGNMENT__.
576 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
578 2009-01-18 Richard Guenther <rguenther@suse.de>
580 PR tree-optimization/38819
581 * tree-flow.h (operation_could_trap_helper_p): Declare.
582 * tree-eh.c (operation_could_trap_helper_p): Export.
583 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
584 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
585 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
586 are about to insert a possibly trapping instruction and fail
589 2009-01-18 Andreas Schwab <schwab@suse.de>
591 * doc/install.texi (Configuration): Remove obsolete paragraph
592 about use of --with-gnu-ld with --with-gnu-as.
594 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
596 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
597 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
598 Follow spelling conventions.
600 2009-01-18 Ben Elliston <bje@au.ibm.com>
602 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
603 C++ warning about implicit conversion from void * to struct
605 (bitmap_obstack_free): Likewise for bitmap_element *.
606 * Makefile.in (bitmap.o-warn): Remove.
608 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
610 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
612 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
613 Tobias Grosser <tobi.grosser@amd.com>
615 * graphite.c (graphite_trans_scop_block): Do not block single
618 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
620 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
621 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
624 2009-01-16 Richard Guenther <rguenther@suse.de>
626 PR tree-optimization/38835
628 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
629 and INT + PTR -> (INT)(PTR p+ INT) folding.
630 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
632 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
635 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
636 the subreg from a lowpart subreg if it is also casting the value.
638 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
639 Tobias Grosser <tobi.grosser@amd.com>
641 * graphite.c (compare_prefix_loops): New.
642 (build_scop_canonical_schedules): Rewritten.
643 (graphite_transform_loops): Move build_scop_canonical_schedules
644 after build_scop_iteration_domain.
646 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
647 Tobias Grosser <tobi.grosser@amd.com>
649 * graphite.c (add_conditions_to_domain): Add the loops to
650 the dimension of the iteration domain. Do copy the domain
652 (build_scop_conditions_1): Do not call add_conditions_to_domain.
653 (add_conditions_to_constraints): New.
654 (can_generate_code_stmt, can_generate_code): Removed.
655 (gloog): Do not call can_generate_code.
656 (graphite_transform_loops): Call add_conditions_to_constraints
657 after building the iteration domain.
659 2009-01-16 Jakub Jelinek <jakub@redhat.com>
661 PR tree-optimization/38789
662 * tree-ssa-threadedge.c
663 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
664 __builtin_constant_p.
666 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
668 * dce.c (delete_unmarked_insns): Reversed the order that insns are
669 examined before deleting them.
671 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
673 * function.c (aggregate_value_p): Correctly extract the function
674 type from CALL_EXPR_FN lookup.
676 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
678 * config/picochip/picochip.c (picochip_override_options): Revert
679 CFI asm flag disable commited previously.
681 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
682 Tobias Grosser <tobi.grosser@amd.com>
683 Jan Sjodin <jan.sjodin@amd.com>
685 * graphite.c (scan_tree_for_params): On substractions negate
686 all the coefficients of the term.
687 (clast_to_gcc_expression_red): New. Handle reduction expressions
688 of more than two operands.
689 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
690 (get_vdef_before_scop): Handle also the case of default definitions.
692 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
694 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
695 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
696 Also use them when walking CALL_INSN_FUNCTION_USAGE.
698 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
699 Joey Ye <joey.ye@intel.com>
702 * cfgexpand.c (expand_stack_alignment): Don't update stack
703 boundary nor check incoming stack boundary here.
704 (gimple_expand_cfg): Update stack boundary and check incoming
707 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
709 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
711 2009-01-14 Jakub Jelinek <jakub@redhat.com>
713 PR rtl-optimization/38245
714 * calls.c (expand_call): Add stack arguments to
715 CALL_INSN_FUNCTION_USAGE even for pure calls (when
716 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
717 in regs and partially in memory or BLKmode arguments.
718 (emit_library_call_value_1): Add stack arguments to
719 CALL_INSN_FUNCTION_USAGE even for pure calls (when
720 ACCUMULATE_OUTGOING_ARGS).
721 * dce.c: Include tm_p.h.
722 (find_call_stack_args): New function.
723 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
725 (mark_insn): Call find_call_stack_args for CALL_Ps.
726 (prescan_insns_for_dce): Walk insns backwards in bb rather than
727 forwards. Allocate and free arg_stores bitmap if needed, pass it
728 down to deletable_insn_p, don't mark stores set in arg_stores
729 bitmap, clear the bitmap at the beginning of each bb.
730 * Makefile.in (dce.o): Depend on $(TM_P_H).
732 2009-01-14 Michael Meissner <gnu@the-meissners.org>
735 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
736 to make sure the insn is a conditional test (bug 22599). Reformat a
739 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
742 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
743 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
744 (gloog): Do not call cleanup_tree_cfg.
745 (graphite_transform_loops): Call cleanup_tree_cfg after all
746 scops have been code generated.
748 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
749 * doc/gty.texi (Invoking the garbage collector): Added new node
750 and section documenting ggc_collect.
752 2009-01-14 Richard Guenther <rguenther@suse.de>
754 PR tree-optimization/38826
756 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
757 initialization notes only if we actually emitted a warning.
758 (intra_create_variable_infos): Add constraints for a result decl
759 that is passed by hidden reference.
760 (build_pred_graph): Mark all related variables non-direct on
763 2009-01-14 Nick Clifton <nickc@redhat.com>
765 * ira-conflicts.c: Include addresses.h for the definition of
767 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
768 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
770 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
773 * Makefile.in (ira-lives.o): Add except.h.
775 * ira-lives.c: Include except.h.
776 (process_bb_node_lives): Process can_throw_internal.
778 2009-01-13 Jakub Jelinek <jakub@redhat.com>
780 PR rtl-optimization/38774
781 * combine.c (simplify_set): When undoing cc_use change, don't do
782 PUT_CODE on the newly created comparison, but instead put back the
785 2009-01-13 Joseph Myers <joseph@codesourcery.com>
787 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
788 values. Remove duplicate arm8 entry.
790 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
792 PR tree-optimization/38786
793 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
794 the SSA_NAME case of expand_scalar_variables_expr.
795 Set the type of an expression to the type of its assign statement.
796 (expand_scalar_variables_expr): Also gather the scalar computation
797 used to index the memory access. Do not pass loop_p.
798 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
799 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
800 the gimple_stmt_iterator where it inserts new code.
802 (copy_bb_and_scalar_dependences): Do not pass loop_p.
803 (translate_clast): Update call to copy_bb_and_scalar_dependences.
805 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
807 * graphite.h (debug_value): Removed.
808 * graphite.c (debug_value): Removed.
810 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
812 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
813 ldrd/strd with two 32-bit instructions.
815 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
817 * config/arm/arm.c (struct processors): Pass for speed down into
818 cost helper functions.
819 (const_ok_for_op): Handle COMPARE and inequality nodes.
820 (arm_rtx_costs_1): Rewrite.
821 (arm_size_rtx_costs): Update prototype.
822 (arm_rtx_costs): Pass speed down to helper functions.
823 (arm_slowmul_rtx_costs): Rework cost calculations.
824 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
825 (arm_9e_rtx_costs): Likewise.
827 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
829 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
830 relocations of local symbols wider than UNITS_PER_WORD are not valid.
831 (alpha_legitimize_address): Do not split local symbols wider than
832 UNITS_PER_WORD into HIGH/LO_SUM parts.
834 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
837 * gcc.c (process_command): Replace call to execvp with calls
840 2009-01-03 Anatoly Sokolov <aesok@post.ru>
843 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
844 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
845 variant for devices with 3-byte PC.
846 (__tablejump_elpm__) : New.
848 2009-01-12 Jakub Jelinek <jakub@redhat.com>
851 * c-parser.c (c_parser_postfix_expression): Allow `->' in
852 offsetof member-designator, handle it as `[0].'.
854 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
856 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
857 function when not using named sections on targets with named sections
858 if branch distance is less than 262132.
860 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
862 * combine.c (combine_instructions): Recompute
863 optimize_this_for_speed_p for each BB in the main combine loop.
865 2009-01-12 Tomas Bily <tbily@suse.cz>
868 * tree-loop-distribution.c (prop_phis): New function.
869 (generate_builtin): Call prop_phis.
870 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
872 2009-01-12 Jakub Jelinek <jakub@redhat.com>
874 PR tree-optimization/38807
875 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
876 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
878 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
880 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
881 subreg of op0 to the original op0.
883 2009-01-11 Laurent GUERBY <laurent@guerby.net>
885 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
887 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
890 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
891 starting with digits.
893 2009-01-10 Jakub Jelinek <jakub@redhat.com>
896 * config/arm/arm.c (arm_is_long_call_p): Don't call
897 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
899 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
901 * regrename.c (regrename_optimize): Fix dumping.
902 (find_oldest_value_reg): Preserve REG_POINTER.
903 (copy_hardreg_forward_1): Likewise.
905 2009-01-09 Diego Novillo <dnovillo@google.com>
907 * gimple.h (struct gimple_statement_base)<uid>: Document
908 the restrictions on its use.
910 (gimple_set_uid): Tidy.
912 2009-01-09 Jakub Jelinek <jakub@redhat.com>
914 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
915 zero guard even if align_bytes != 0 and count is smaller than
918 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
920 PR rtl-optimization/38495
921 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
922 (add_range_and_copies_from_move_list): Print all added ranges.
923 Add ranges to memory optimized destination.
925 2009-01-09 Jakub Jelinek <jakub@redhat.com>
929 * config/i386/i386.c (override_options): Reject
930 -mstringop-strategy=rep_8byte with -m32.
931 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
932 to 1. Do count comparison against epilogue_size_needed at compile
933 time even when count_exp was constant forced into register. For
934 size_needed don't jump to epilogue, instead just avoid aligning
935 and invoke the body algorithm. If need_zero_guard, add zero guard
936 even if count is non-zero, but smaller than size_needed + number of
937 bytes that could be stored for alignment.
938 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
939 to 1. If need_zero_guard, add zero guard even if count is non-zero,
940 but smaller than size_needed + number of bytes that could be stored
941 for alignment. Compare size_needed with epilogue_size_needed instead
942 of desired_align - align, don't adjust size_needed, pass
943 epilogue_size_needed to the epilogue expanders.
946 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
948 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
950 * pa.c (last_address): Change to unsigned.
951 (update_total_code_bytes): Change argument to unsigned. Don't
952 check if insn addresses are set.
953 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
954 addresses are not set.
955 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
957 2009-01-09 Nick Clifton <nickc@redhat.com>
959 * config/sh/symbian.c: Replace uses of DECL_INLINE with
960 DECL_DECLARED_INLINE_P.
962 2009-01-09 Jakub Jelinek <jakub@redhat.com>
965 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
966 GET_MODE (op0) in operand_subword_force calls.
969 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
970 fold_convert arg0 operands to TREE_TYPE (op0) first.
972 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
974 * params.def (ira-max-conflict-table-size): Decrease default value
977 2009-01-08 Jakub Jelinek <jakub@redhat.com>
979 PR tree-optimization/37031
980 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
982 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
983 allocate it using gc instead of heap, use VEC_quick_push instead of
985 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
986 instead of heap, use VEC_quick_push instead of VEC_safe_push.
987 * tree-data-ref.h (struct access_matrix): Change matrix to gc
988 allocated vector from heap allocated.
989 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
990 * tree-loop-linear.c (linear_transform_loops): Allocate nest
991 vector only after perfect_loop_nest_depth call.
993 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
994 Jan Sjodin <jan.sjodin@amd.com>
996 PR tree-optimization/38559
997 * graphite.c (debug_value, copy_constraint,
998 swap_constraint_variables, scale_constraint_variable, ): New.
999 (get_lower_bound, get_upper_bound): Removed.
1000 (graphite_trans_bb_strip_mine): Clean up this code that works
1001 only for constant number of iterations. Fully copy upper and
1002 lower bound constraints, not only the constant part of them.
1003 * graphite.h (debug_value): Declared.
1005 2009-01-08 Ira Rosen <irar@il.ibm.com>
1007 PR tree-optimization/37194
1008 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1009 Don't add the cost of cost model guard in prologue to scalar
1010 outside cost in case of known number of iterations.
1012 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1013 Alan Modra <amodra@bigpond.net.au>
1015 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1016 non-word-aligned REG+CONST addressing.
1018 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1021 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1022 free_after_compilation when outputting a thunk.
1023 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1024 Do not call free_after_compilation here.
1026 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1028 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1029 (ix86_valid_target_attribute_inner_p): Ditto.
1031 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1033 PR tree-optimization/38492
1034 PR tree-optimization/38498
1035 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1036 * tree-chrec.h (scev_is_linear_expression): Declared.
1037 * graphite.c (graphite_cannot_represent_loop_niter): New.
1038 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1039 (graphite_loop_normal_form): Use gcc_assert.
1040 (scan_tree_for_params): Use CASE_CONVERT.
1041 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1042 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1043 Use gcc_assert. Discard scops that contain unhandled cases.
1044 (build_scop_conditions): Return a boolean status for unhandled cases.
1045 (strip_mine_profitable_p): Print the loop number, not its depth.
1046 (is_interchange_valid): Pass the depth of the loop nest, don't
1047 recompute it wrongly.
1048 (graphite_trans_bb_block): Same.
1049 (graphite_trans_bb_block): Print tentative of loop blocking.
1050 (graphite_trans_scop_block): Do not print that the loop has been
1052 (graphite_transform_loops): Do not handle scops that contain condition
1055 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1057 AVX Programming Reference (December, 2008)
1058 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1059 (_mm256_stream_pd): Likewise.
1060 (_mm256_stream_ps): Likewise.
1062 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1063 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1064 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1065 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1066 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1067 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1068 (ix86_expand_special_args_builtin): Likewise.
1070 * config/i386/sse.md (AVXMODEDI): New.
1071 (avx_movnt<mode>): Likewise.
1072 (avx_movnt<mode>): Likewise.
1073 (<sse>_movnt<mode>): Remove AVX support.
1074 (sse2_movntv2di): Likewise.
1076 2009-01-07 Richard Guenther <rguenther@suse.de>
1079 * fold-const.c (extract_muldiv): Remove obsolete comment.
1080 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1081 to PLUS_EXPR canonicalization for the canonicalization.
1083 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1085 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1086 hosted cross-compilers generating less efficient code.
1088 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1090 * function.h (rtl_data): Add a dbr_scheduled_p field.
1091 * reorg.c (dbr_schedule): Set it.
1092 (gate_handle_delay_slots): Check it.
1093 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1094 (mips_reorg): Check flag_delayed_branch instead of
1095 mips_base_delayed_branch.
1096 (mips_override_options): Don't set mips_base_delayed_branch
1097 or flag_delayed_branch.
1099 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1101 PR rtl-optimization/38426.
1102 * ira.c (ira): Set current_function_is_leaf earlier.
1104 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1106 PR rtl-optimization/38722
1107 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1108 too early, only set a flag and modify after last possible
1111 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1114 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1115 * real.c (decimal_single_format): Correct values of emin and emax.
1116 (decimal_double_format): Ditto.
1117 (decimal_quad_format): Ditto.
1118 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1119 computation of DECnn_MIN and DECnn_MAX for corrected values of
1120 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1121 __DECnn_MIN__, and adjust its computation for the corrected value
1124 2009-01-06 Jan Hubicka <jh@suse.cz>
1127 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1129 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1131 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1132 Add Robert Clark to the list of testers.
1134 2009-01-06 Jan Hubicka <jh@suse.cz>
1135 Kai Tietz <kai.tietz@onevision.com>
1137 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1138 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1140 2009-01-06 Jan Hubicka <jh@suse.cz>
1141 Kai Tietz <kai.tietz@onevision.com>
1143 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1145 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1146 (ix86_nsaved_regs): Count only general purpose regs.
1147 (ix86_nsaved_sseregs): New.
1148 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1149 to 16 for w64; compute padding and size of sse reg save area.
1150 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1151 general purpose regs.
1152 (ix86_emit_save_sse_regs_using_mov): New.
1153 (ix86_expand_prologue): Save SSE regs if needed.
1154 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1155 (ix86_emit_restore_sse_regs_using_mov): New.
1156 (ix86_expand_epilogue): Save SSE regs if needed.
1158 2009-01-06 Jan Hubicka <jh@suse.cz>
1159 Kai Tietz <kai.tietz@onevision.com>
1161 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1162 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1163 functions when accumulate outgoing args is off.
1165 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1168 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1169 before using pseudos_have_intersected_live_ranges_p.
1171 * ira-int.h (ira_assert): Always define.
1173 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1175 AVX Programming Reference (December, 2008)
1176 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1177 (_mm256_permute2_pd): Likewise.
1178 (_mm_permute2_ps): Likewise.
1179 (_mm256_permute2_ps): Likewise.
1180 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1181 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1183 * config/i386/i386.c (ix86_builtins): Remove
1184 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1185 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1186 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1187 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1188 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1189 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1190 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1191 __builtin_ia32_vpermil2ps256.
1192 (ix86_init_mmx_sse_builtins): Updated.
1193 (ix86_expand_args_builtin): Likewise.
1195 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1197 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1198 long absolute calls when generating PA 2.0 code.
1200 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1202 PR rtl-optimization/38583
1203 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1205 * params.def (ira-max-conflict-table-size): New.
1207 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1209 * ira.h (ira_conflicts_p): New external definition.
1211 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1212 table. Report this. Return result of building.
1213 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1214 building conflict table.
1216 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1217 (ira_color): Use ira_conflicts_p.
1219 * global.c: Include ira.h.
1220 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1223 * Makefile.in (global.o): Add ira.h.
1225 * ira-build.c (mark_all_loops_for_removal,
1226 propagate_some_info_from_allocno): New.
1227 (remove_unnecessary_allocnos): Call
1228 propagate_some_info_from_allocno.
1229 (remove_low_level_allocnos): New.
1230 (remove_unnecessary_regions): Add parameter. Call
1231 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1232 parameter to remove_unnecessary_regions.
1233 (ira_build): Remove all regions but root if the conflict table was
1234 not built. Update conflict hard regs for allocnos crossing calls.
1236 * ira.c (ira_conflicts_p): New global.
1237 (ira): Define and use ira_conflicts_p.
1239 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1240 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1241 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1243 2009-01-06 Ben Elliston <bje@au.ibm.com>
1245 * gengtype-lex.l (YY_NO_INPUT): Define.
1247 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1250 * c-common.c (handle_vector_size_attribute): Also reject
1253 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1255 PR tree-optimization/38492
1256 * graphite.c (rename_map_elt, debug_rename_elt,
1257 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1258 rename_map_elt_info, eq_rename_map_elts,
1259 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1260 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1261 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1262 (sese_build_livein_liveouts): New.
1263 (new_sese, free_sese): New.
1264 (new_scop): Call new_sese.
1265 (free_scop): Call free_sese.
1266 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1267 (register_old_new_names): Renamed register_old_and_new_names.
1268 (register_scop_liveout_renames, add_loop_exit_phis,
1269 insert_loop_close_phis, struct igp,
1270 default_liveout_before_guard, add_guard_exit_phis,
1271 insert_guard_phis, copy_renames): New.
1272 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1273 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1274 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1275 (scop_adjust_phis_for_liveouts): New.
1276 (gloog): Call scop_adjust_phis_for_liveouts.
1278 * graphite.h (struct sese): Documented. Added fields liveout,
1280 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1281 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1282 (struct scop): Added field liveout_renames.
1283 (SCOP_LIVEOUT_RENAMES): New.
1285 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1287 PR tree-optimization/38510
1288 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1289 (translate_clast): Call recompute_all_dominators before
1291 (gloog): Call recompute_all_dominators before graphite_verify.
1293 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1294 Jan Sjodin <jan.sjodin@amd.com>
1296 PR tree-optimization/38500
1297 * graphite.c (create_sese_edges): Call fix_loop_structure after
1300 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1302 * config.gcc: Add m32r*-*-rtems*.
1303 * config/m32r/rtems.h: New file.
1305 2009-01-05 Ben Elliston <bje@au.ibm.com>
1307 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1308 (.po.pox): Likewise.
1309 (po/gcc.pot): Likewise.
1311 2009-01-04 David S. Miller <davem@davemloft.net>
1313 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1314 (STARTING_FRAME_OFFSET): Always set to zero.
1316 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1318 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1319 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1320 fixed-point types, and vectors of the same.
1322 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1324 * config/mips/sync.md (*mb_barrier): Rename to...
1325 (*memory_barrier): ...this.
1327 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1329 * doc/extend.texi (Function Attributes): Move @cindex after @item
1330 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1331 and put in alphabetical order. Fix 'target' name and put in order.
1332 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1335 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1337 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1338 (memory_barrier): Expand as unspec instead of unspec_volatile.
1339 Remove mem:BLK from insn operands. Use Pmode scratch register.
1340 (*memory_barrier): Define as unspec instead of unspec_volatile.
1341 Use (match_dup 0) as input operand.
1343 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1344 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1345 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1346 scratch register. Remove operand 1.
1347 (*stbar): Define as unspec instead of unspec_volatile.
1348 Use (match_dup 0) as input operand, remove (const_int 8).
1349 (*membar): Define as unspec instead of unspec_volatile.
1350 Use (match_dup 0) as input operand, remove input operand 2.
1352 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1353 (memory_barrier): Expand as unspec instead of unspec_volatile.
1354 Remove mem:BLK from insn operands. Use Pmode scratch register.
1355 (*memory_barrier): Define as unspec instead of unspec_volatile.
1356 Use (match_dup 0) as input operand.
1358 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1359 Remove mem:BLK from insn operands. Use Pmode scratch register.
1360 Set volatile flag on operand 0.
1361 (*memory_barrier): New insn pattern.
1363 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1365 (*memory_barrier): Use (match_dup 0) as input operand.
1367 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1368 Remove mem:BLK from insn operands. Use Pmode scratch register.
1369 Set volatile flag on operand 0.
1370 (*mb_internal): New insn pattern.
1372 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1374 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1377 * function.c (struct temp_slot): Move to the section of the file
1378 that deals with temp slots. Remove field 'address'.
1379 (temp_slot_address_table): New hash table of address -> temp slot.
1380 (struct temp_slot_address_entry): New struct, items for the table.
1381 (temp_slot_address_compute_hash, temp_slot_address_hash,
1382 temp_slot_address_eq, insert_temp_slot_address): Support functions
1384 (find_temp_slot_from_address): Rewrite to use the new hash table.
1385 (remove_unused_temp_slot_addresses): Remove addresses of temp
1386 slots that have been made available.
1387 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1388 worker function for remove_unused_temp_slot_addresses.
1389 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1390 Add the temp slot address to the address -> temp slot map.
1391 (update_temp_slot_address): Update via insert_temp_slot_address.
1392 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1393 (pop_temp_slots): Likewise.
1394 (init_temp_slots): Allocate the address -> temp slot map, or empty
1395 the map if it is already allocated.
1396 (prepare_function_start): Initialize temp slot processing.
1398 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1401 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1402 Calculate the size of all stack vars assuming no packing of stack
1403 vars will happen, replacing a quadratic algorithm with a linear one.
1405 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1408 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1411 2009-01-03 Diego Novillo <dnovillo@google.com>
1413 * doc/contrib.texi: Update contributions.
1415 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1418 * builtins.c (fold_builtin_memory_op): Give up if either operand
1419 is volatile. Set srctype or desttype to non-qualified version
1423 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1426 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1428 PR rtl-optimization/35805
1429 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1430 problem if fast dce is able to remove any instructions.
1431 * dce.c (dce_process_block): Fix dump message.
1433 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1436 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1438 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1441 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1442 * tree-pretty-print.c (op_code_prio): New function.
1443 (op_prio): No longer static. Use op_code_prio.
1444 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1445 Use op_prio and op_code_prio to determine if () should be
1446 printed around operand(s) or not.
1448 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1449 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1450 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1451 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1452 pp_character instead of pp_string for single letter printing.
1454 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1456 * doc/extend.texi: Fix '#pragma GCC option' typo.
1458 2009-01-02 Richard Guenther <rguenther@suse.de>
1460 * doc/install.texi (--enable-checking): Mention different
1462 (--enable-stage1-checking): Document.
1464 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1467 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1468 case to be an error.
1470 2009-01-02 Ben Elliston <bje@au.ibm.com>
1472 * config/fp-bit.h (pack_d): Constify argument.
1473 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1474 (isnan): Constify argument.
1478 (_fpadd_parts): Constify return type.
1479 (_fpmul_parts): Likewise.
1480 (_fpdiv_parts): Likewise.
1482 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1485 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1486 warn about overwriting initializer with side-effects or
1487 -Woverride-init if !IMPLICIT.
1488 (output_init_element): Likewise. Pass IMPLICIT down to
1490 (process_init_element): Add IMPLICIT argument. Pass it down
1491 to output_init_element.
1492 (push_init_element, pop_init_level, set_designator): Adjust
1493 process_init_element callers.
1494 (set_nonincremental_init, set_nonincremental_init_from_string):
1495 Adjust add_pending_init callers.
1496 (output_pending_init_elements): Adjust output_init_element callers.
1497 * c-tree.h (process_init_element): Adjust prototype.
1498 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1499 process_init_element callers.