1 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4 * function.c (match_asm_constraints_1): Skip over
5 initial optional % in the constraint.
8 * c-parser.c (c_parser_postfix_expression): If fixed point is not
9 supported, don't accept FIXED_CSTs.
10 * c-decl.c (finish_declspecs): Error if fixed point is not supported
11 and _Sat is used without _Fract/_Accum. Set specs->type to
12 integer_type_node for cts_fract/cts_accum if fixed point is not
15 2009-02-02 Catherine Moore <clm@codesourcery.com>
17 * sde.h (SUBTARGET_ARM_SPEC): Don;t assemble -fpic code as
20 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
22 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
23 (ABI_HAS_64BIT_SYMBOLS): Use it.
24 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
26 2009-02-02 Paul Brook <paul@codesourcery.com>
28 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
30 2009-02-02 Jakub Jelinek <jakub@redhat.com>
33 * recog.h (asm_operand_ok): Add constraints argument.
34 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
35 recurse on matching constraint.
36 (check_asm_operands): Pass constraints as 3rd argument to
37 asm_operand_ok. Don't look up matching constraint here.
38 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
41 2009-02-02 Ben Elliston <bje@au.ibm.com>
43 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
44 TARGET_NARROW_VOLATILE_BITFIELD macro names.
46 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
48 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
49 information. Remove some obsolete information. Reorganize.
51 * config/pa/fptr.c: Revert license to GPL 2.
52 * config/pa/milli64.S: Likewise.
54 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
57 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
58 LIBRARY name in, instead of hard-coding it.
59 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
60 extra target make frag to tmake_files according to EH model.
61 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
62 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
63 frags that define makefile variable EH_MODEL appropriately.
64 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
65 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
66 to "-sjlj" according to type of EH configured.
67 (LIBGCC_SONAME): Concatenate it to shared library base name.
68 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
69 to "_sjlj" according to type of EH configured.
70 (LIBGCC_SONAME): Concatenate it to shared library base name.
71 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
72 (SHLIB_LINK): Add missing semicolon to if-else construct.
73 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
74 string value of "pe_dll" command-line option.
75 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
76 (SHLIB_SONAME): Use it when overriding t-cygming default.
77 (SHLIB_IMPLIB): Override t-cygming default.
78 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
79 string value of "pe_dll" command-line option.
81 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
84 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
85 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point
88 2009-01-31 Richard Guenther <rguenther@suse.de>
90 PR tree-optimization/38937
91 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
92 computing the transitive closure.
94 2009-01-30 Richard Guenther <rguenther@suse.de>
96 PR tree-optimization/39041
97 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
98 Propagate variable indices only if the types match for this stmt.
100 2009-01-30 Jakub Jelinek <jakub@redhat.com>
103 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
104 inline but never defined.
106 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
108 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
109 (*insv_h_di_reg_extimm): New insn.
110 (*insv_l<mode>_reg_extimm): New insn.
112 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
114 * config/picochip/picochip.c (flag_conserve_stack): set
115 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
116 fconserve-stack. Reduce call-overhead used by inliner.
118 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
121 * common.opt (flag_conserve_stack): Initialised to zero.
123 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
126 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
127 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
130 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
132 * ira-color.c (allocno_reload_assign): Update comments.
133 * regmove.c (regmove_optimize): Likewise.
137 2009-01-29 Robert Millan <rmh@aybabtu.com>
139 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
140 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
142 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
144 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
146 PR tree-optimization/39007
147 * tree-loop-distribution.c (generate_builtin): Use
148 recompute_dominator to compute the immediate dominator of the
149 basic block just after the loop.
151 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
153 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
154 (ASM_OUTPUT_DWARF_PCREL): Define.
156 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
158 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
159 * doc/passes.texi: Remove entries about regclass, local-alloc, and
160 global. Modify entries about regmove and IRA.
162 * ra-conflict.c: Remove the file.
164 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
166 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
167 (pass_regclass_init): Rename to pass_reginfo_init.
169 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
171 * toplev.h (flag_ira): Remove.
173 * caller-save.c (setup_save_areas): Remove flag_ira.
175 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
178 * global.c: Remove the file.
180 * opts.c: (decode_options): Remove flag_ira.
182 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
184 * regmove.c: Modify file description.
185 (find_use_as_address, try_auto_increment): Define them only if
186 AUTO_INC_DEC is defined.
187 (replacement_quality, replace_in_call_usage, fixup_match_1,
188 stable_and_no_regs_but_for_p): Remove.
189 (reg_set_in_bb): Make it static.
190 (regmove_optimize): Remove flag_ira and code which worked for
193 * local-alloc.c: Remove the file.
195 * common.opt (fira): Remove.
197 * ira.c: Include except.h.
198 (eliminable_regset): Move from global.c.
199 (mark_elimination): Ditto. Remove flag_ira.
200 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
201 equiv_mem_modified, validate_equiv_mem_from_store,
202 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
203 contains_replace_regs, memref_referenced_p, memref_used_between_p,
204 no_equiv, recorded_label_ref): Move from local-alloc.c.
205 (update_equiv_regs): Ditto. Make it static.
206 (print_insn_chain, print_insn_chains): Move it from global.c.
207 pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
208 (build_insn_chain): Ditto. Make it static.
209 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
210 Rename to init_live_subregs.
211 (gate_ira): Remove flag_ira.
213 * regclass.c: Rename reginfo.c. Change file description.
214 (FORBIDDEN_INC_DEC_CLASSES): Remove.
215 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
217 (init_reg_sets_1): Remove code for evaluation of
218 reg_class_superclasses and losing_caller_save_reg_set.
219 (init_regs): Remove init_reg_autoinc.
220 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
221 ok_for_base_p_nonstrict): Remove.
222 (regclass_init): Rename to reginfo_init. Don't initialize
224 (pass_regclass_init): Rename to pass_reginfo_init. Modify
225 corresponding entries.
226 (dump_regclass, record_operand_costs, scan_one_insn,
227 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
228 record_address_regs, auto_inc_dec_reg_p): Remove.
229 (gt-regclass.h): Rename to gt-reginfo.h.
231 * rtl.h (dump_global_regs, retry_global_alloc,
232 build_insn_chain, dump_local_alloc, update_equiv_regs):
235 * Makefile.in (RA_H): Remove.
236 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
237 Rename regclass.o to reginfo.o.
238 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
240 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
241 (GTFILES): Rename regclass.c to reginfo.c.
243 * passes.c (init_optimization_passes): Remove pass_local_alloc and
244 pass_global_alloc. Rename pass_regclass_init to
247 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
248 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
250 (finish_spills): Ditto. Remove code for !flga_ira.
252 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
255 * doc/invoke.texi (rtl debug options): Complete rewrite.
256 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
258 * mode-switching.c (pass_mode_switching): Rename pass from
259 "mode-sw" to "mode_sw".
260 * except.c (pass_convert_to_eh_ranges): Rename pass from
261 "eh-ranges" to "eh_ranges".
262 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
266 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
267 Alexander Monakov <amonakov@ispras.ru>
270 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
272 (move_exprs_to_boundary): Change return type and pass through
273 should_move from move_op. Relax assert. Update usage ...
274 (schedule_expr_on_boundary): ... here. Use should_move instead of
276 (move_op_orig_expr_found): Indicate that insn was disconnected from
278 (code_motion_process_successors): Do not call after_merge_succs
279 callback if original expression was not found when traversing any of
281 (code_motion_path_driver): Change return type. Update prototype.
282 (move_op): Update comment. Add a new parameter (should_move). Update
283 prototype. Set *should_move based on indication provided by
284 move_op_orig_expr_found.
286 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
288 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
289 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
290 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
291 * config/rs6000/rs6000.c (rs6000_override_options): Default
292 avoid-indexed-addresses on for Power6, off for everything else.
293 (avoiding_indexed_address_p): New function.
294 (rs6000_legitimize_address): Use it.
295 (rs6000_legitimate_address): Likewise.
296 * config/rs6000/rs6000.md (movXX_updateX): Likewise
298 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
300 PR tree-optimization/38997
301 * tree-loop-distribution.c (generate_memset_zero): Use
302 POINTER_PLUS_EXPR for a pointer addition.
304 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
306 * config/s390/s390.md (bswap<mode>2): New pattern added.
308 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
310 * config/s390/s390.md (*tls_load_31): Added type attribute.
312 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
314 * config/s390/s390.md: Fix a few comments.
316 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
318 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
319 (*tm<mode>_full): Fixed z10prop attribute.
320 (*tst<mode>_extimm): Fixed z10prop attribute.
321 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
322 (*tstqiCCT_cconly): Fixed z10prop attribute.
323 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
324 (*movsi_larl): Fixed z10prop attribute.
325 (*movsi_zarch): Fixed z10prop attribute.
326 (*movsi_eas): Fixed z10prop attribute.
327 (*movhi): Fixed z10prop attribute.
328 (*movqi): Fixed z10prop attribute.
329 (*movstrictqi): Fixed z10prop attribute.
330 (*mov<mode>): Fixed z10prop attribute.
331 (*movcc): Fixed z10prop attribute.
332 (*sethighpartdi_64): Fixed z10prop attribute.
333 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
334 (*negdi2_sign_cc): Fixed z10prop attribute.
335 (*negdi2_sign): Fixed z10prop attribute.
336 (*absdi2_sign_cc): Fixed z10prop attribute.
337 (*absdi2_sign): Fixed z10prop attribute.
338 (*negabsdi2_sign_cc): Fixed z10prop attribute.
339 (*negabsdi2_sign): Fixed z10prop attribute.
340 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
341 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
342 (doloop_si64): Fixed z10prop attribute.
343 (doloop_si31): Fixed z10prop attribute.
344 (doloop_long): Fixed z10prop attribute.
345 (indirect_jump): Fixed z10prop attribute.
346 (nop): Fixed z10prop attribute.
347 (main_base_64): Fixed z10prop attribute.
348 (reload_base_64): Fixed z10prop attribute.
350 2009-01-28 Jakub Jelinek <jakub@redhat.com>
352 PR rtl-optimization/38740
353 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
355 * config/mips/mips.c (mips_reorg): Likewise.
357 2009-01-28 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/38926
360 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
361 with the correct value id to a value.
362 (do_regular_insertion): Use the value number of edoubleprime
363 for the value number of the expr.
366 2008-08-21 Richard Guenther <rguenther@suse.de>
368 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
369 a PHI ask VN if it is already available.
370 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
371 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
373 2009-01-28 Jakub Jelinek <jakub@redhat.com>
376 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
377 set to varying whenever max has TREE_OVERFLOW set, similarly
378 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
380 2009-01-28 Richard Guenther <rguenther@suse.de>
383 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
384 uninitialized aggregate uses in call arguments.
386 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
388 PR tree-optimization/38984
389 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
390 the nothing_id variable if -fno-delete-null-pointer-checks.
392 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
395 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
396 (set_got_offset_rex64): Ditto.
398 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
401 * doc/extend.texi: Improve local variable with asm reg.
403 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
405 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
406 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
407 was not supplied then set warn_packed_bitfield_compat to the
409 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
412 2009-01-27 Richard Guenther <rguenther@suse.de>
414 PR tree-optimization/38503
415 * cfgexpand.c (expand_gimple_basic_block): Ignore
416 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
417 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
418 variables that cannot have TBAA applied.
419 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
422 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
425 * calls.c (initialize_argument_information): Do not wrap complex
426 arguments in SAVE_EXPR.
428 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
430 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
431 (INSTALL_LIBGCC): Revert typo commit.
433 2009-01-26 Richard Guenther <rguenther@suse.de>
435 PR tree-optimization/38745
436 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
437 from special handling.
439 2009-01-26 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/38745
442 * tree-ssa.c (execute_update_addresses_taken): Do not include
443 variables that cannot possibly be a register in not_reg_needs.
444 Do not clear TREE_ADDRESSABLE on vars that may not become
446 * tree-ssa.c (update_alias_info_1): Include those in the set
449 2009-01-26 Richard Guenther <rguenther@suse.de>
452 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
453 * tree-ssa-dse.c: Include langhooks.h
454 (execute_simple_dse): Remove stores with zero size.
456 2009-01-24 Jakub Jelinek <jakub@redhat.com>
459 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
462 2009-01-24 Julian Brown <julian@codesourcery.com>
464 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
465 config/arm/linux-atomic.c.
466 * config/arm/linux-atomic.c: New.
468 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
470 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
471 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
472 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
474 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
477 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
480 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
482 PR tree-optimization/38953
483 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
484 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
485 (gloog): Split the exit of the scop when the scop exit is a loop exit.
486 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
489 2009-01-24 Paul Brook <paul@codesourcery.com>
491 * config/arm/neon.md (neon_type): Move to arm.md.
492 (neon_mov<VSTRUCT>): Add neon_type attribute.
493 * config/arm/arm.md (neon_type): Move to here.
494 (conds): Add "unconditioal" and use as default for NEON insns.
496 2009-01-24 Ben Elliston <bje@au.ibm.com>
498 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
499 void *' warning from -Wc++-compat.
500 * Makefile.in (dominance.o-warn): Remove.
502 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
504 PR tree-optimization/38932
505 * fold-const.c (fold_unary_ignore_overflow): New.
506 * tree.h (fold_unary_ignore_overflow): Declare.
507 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
508 * tree-ssa-sccvn.c (visit_reference_op_load,
509 simplify_unary_expression): Likewise.
511 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
513 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
514 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
515 regardless of their type.
516 * c-common.c (handle_packed_attribute): Don't ignore packed on
518 * c.opt (Wpacked-bitfield-compat): New warning option.
519 * stor-layout.c (place_field): Warn if offset of a field changed.
520 * doc/extend.texi (packed): Mention the ABI change.
521 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
522 (Warning Options): Add it to the list.
524 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
526 * c-opts.c (c_common_post_options): Fix a typo in comments.
528 2009-01-22 Steve Ellcey <sje@cup.hp.com>
531 * gimplify.c (gimplify_init_constructor): Fix promotion of const
533 * doc/invoke.texi (-fmerge-all-constants): Update description.
535 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
538 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
539 (*movdi_1_rex64): Use type "mmx" for alternative 5.
541 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
543 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
545 (LOCAL_ALIGNMENT): Similarly.
547 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
548 Joseph Myers <joseph@codesourcery.com>
550 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
551 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
552 * config/arm/arm-tune.md: Regenerate.
553 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
556 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
558 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
559 version number to five.
561 2009-01-22 Dodji Seketeli <dodji@redhat.com>
564 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
565 * c-common.c (set_underlying_type): Likewise.
566 (is_typedef_decl ): Likewise
568 (set_underlying_type): Likewise.
569 (is_typedef_type): Likewise.
571 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
574 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
577 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
580 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
581 (LIBGCC_SPEC): Don't define.
582 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
584 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
586 PR rtl-optimization/38879
587 * alias.c (base_alias_check): Unaligned access via AND address can
588 alias all surrounding object types except those with sizes equal
589 or wider than the size of unaligned access.
591 2009-01-21 Dodji Seketeli <dodji@redhat.com>
594 * c-decl.c: (clone_underlying_type): Move this ...
595 * c-common.c (set_underlying_type): ... here.
596 Also, make sure the function properly sets TYPE_STUB_DECL() on
597 the newly created typedef variant type.
598 (is_typedef_decl ): New entry point.
599 * tree.h: Added a new member member_types_needing_access_check to
600 struct tree_decl_non_common.
601 (set_underlying_type): New entry point.
602 (is_typedef_type): Likewise.
604 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
606 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
607 Check whether two instructions have memory references that
608 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
609 are helper functions for traversing.
610 * alias.h (insn_alias_sets_confilict_p): New prototypes.
611 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
612 not to draw dependency edge for instructions with non-conflicting
615 2009-01-20 Joseph Myers <joseph@codesourcery.com>
618 * longlong.h: Update copyright years. Use soft-fp license
619 notice. Sync __clz_tab declaration with glibc.
621 2009-01-20 Steve Ellcey <sje@cup.hp.com>
624 * doc/extend.texi (syscall_linkage): New.
625 (version_id): Modify.
627 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
628 Richard Guenther <rguenther@suse.de>
630 PR tree-optimization/38747
631 PR tree-optimization/38748
632 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
633 conversion if the base address is an indirect reference and the
634 aliasing sets could cause issues.
636 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
638 * common.opt (fgraphite, fgraphite-identity): Add comment for
639 explaining why these options are not documented.
641 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
643 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
644 gimple_call_lhs is NULL.
646 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
649 * emit-rtl.c (adjust_address_1): Make sure memref is never
652 2009-01-20 Ben Elliston <bje@au.ibm.com>
654 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
655 const qualifier from arg parameter. Remove unnecessary cast to char *.
656 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
657 const qualifier from arg 2.
659 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
661 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
663 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
666 * rtl.h (reinit_regs): New prototype.
667 * regclass.c: Include ira.h.
669 * Makefile.in (regclass.o): Add ira.h.
670 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
672 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
675 * c-common.c (handle_aligned_attribute): Use
676 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
677 default alignment value.
679 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
681 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
682 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
684 * doc/extend.texi: Update __attribute__ ((aligned)). Document
685 __BIGGEST_ALIGNMENT__.
687 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
689 2009-01-18 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/38819
692 * tree-flow.h (operation_could_trap_helper_p): Declare.
693 * tree-eh.c (operation_could_trap_helper_p): Export.
694 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
695 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
696 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
697 are about to insert a possibly trapping instruction and fail
700 2009-01-18 Andreas Schwab <schwab@suse.de>
702 * doc/install.texi (Configuration): Remove obsolete paragraph
703 about use of --with-gnu-ld with --with-gnu-as.
705 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
707 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
708 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
709 Follow spelling conventions.
711 2009-01-18 Ben Elliston <bje@au.ibm.com>
713 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
714 C++ warning about implicit conversion from void * to struct
716 (bitmap_obstack_free): Likewise for bitmap_element *.
717 * Makefile.in (bitmap.o-warn): Remove.
719 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
721 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
723 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
724 Tobias Grosser <tobi.grosser@amd.com>
726 * graphite.c (graphite_trans_scop_block): Do not block single
729 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
731 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
732 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
735 2009-01-16 Richard Guenther <rguenther@suse.de>
737 PR tree-optimization/38835
739 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
740 and INT + PTR -> (INT)(PTR p+ INT) folding.
741 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
743 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
746 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
747 the subreg from a lowpart subreg if it is also casting the value.
749 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
750 Tobias Grosser <tobi.grosser@amd.com>
752 * graphite.c (compare_prefix_loops): New.
753 (build_scop_canonical_schedules): Rewritten.
754 (graphite_transform_loops): Move build_scop_canonical_schedules
755 after build_scop_iteration_domain.
757 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
758 Tobias Grosser <tobi.grosser@amd.com>
760 * graphite.c (add_conditions_to_domain): Add the loops to
761 the dimension of the iteration domain. Do copy the domain
763 (build_scop_conditions_1): Do not call add_conditions_to_domain.
764 (add_conditions_to_constraints): New.
765 (can_generate_code_stmt, can_generate_code): Removed.
766 (gloog): Do not call can_generate_code.
767 (graphite_transform_loops): Call add_conditions_to_constraints
768 after building the iteration domain.
770 2009-01-16 Jakub Jelinek <jakub@redhat.com>
772 PR tree-optimization/38789
773 * tree-ssa-threadedge.c
774 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
775 __builtin_constant_p.
777 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
779 * dce.c (delete_unmarked_insns): Reversed the order that insns are
780 examined before deleting them.
782 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
784 * function.c (aggregate_value_p): Correctly extract the function
785 type from CALL_EXPR_FN lookup.
787 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
789 * config/picochip/picochip.c (picochip_override_options): Revert
790 CFI asm flag disable commited previously.
792 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
793 Tobias Grosser <tobi.grosser@amd.com>
794 Jan Sjodin <jan.sjodin@amd.com>
796 * graphite.c (scan_tree_for_params): On substractions negate
797 all the coefficients of the term.
798 (clast_to_gcc_expression_red): New. Handle reduction expressions
799 of more than two operands.
800 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
801 (get_vdef_before_scop): Handle also the case of default definitions.
803 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
805 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
806 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
807 Also use them when walking CALL_INSN_FUNCTION_USAGE.
809 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
810 Joey Ye <joey.ye@intel.com>
813 * cfgexpand.c (expand_stack_alignment): Don't update stack
814 boundary nor check incoming stack boundary here.
815 (gimple_expand_cfg): Update stack boundary and check incoming
818 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
820 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
822 2009-01-14 Jakub Jelinek <jakub@redhat.com>
824 PR rtl-optimization/38245
825 * calls.c (expand_call): Add stack arguments to
826 CALL_INSN_FUNCTION_USAGE even for pure calls (when
827 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
828 in regs and partially in memory or BLKmode arguments.
829 (emit_library_call_value_1): Add stack arguments to
830 CALL_INSN_FUNCTION_USAGE even for pure calls (when
831 ACCUMULATE_OUTGOING_ARGS).
832 * dce.c: Include tm_p.h.
833 (find_call_stack_args): New function.
834 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
836 (mark_insn): Call find_call_stack_args for CALL_Ps.
837 (prescan_insns_for_dce): Walk insns backwards in bb rather than
838 forwards. Allocate and free arg_stores bitmap if needed, pass it
839 down to deletable_insn_p, don't mark stores set in arg_stores
840 bitmap, clear the bitmap at the beginning of each bb.
841 * Makefile.in (dce.o): Depend on $(TM_P_H).
843 2009-01-14 Michael Meissner <gnu@the-meissners.org>
846 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
847 to make sure the insn is a conditional test (bug 22599). Reformat a
850 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
853 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
854 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
855 (gloog): Do not call cleanup_tree_cfg.
856 (graphite_transform_loops): Call cleanup_tree_cfg after all
857 scops have been code generated.
859 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
860 * doc/gty.texi (Invoking the garbage collector): Added new node
861 and section documenting ggc_collect.
863 2009-01-14 Richard Guenther <rguenther@suse.de>
865 PR tree-optimization/38826
867 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
868 initialization notes only if we actually emitted a warning.
869 (intra_create_variable_infos): Add constraints for a result decl
870 that is passed by hidden reference.
871 (build_pred_graph): Mark all related variables non-direct on
874 2009-01-14 Nick Clifton <nickc@redhat.com>
876 * ira-conflicts.c: Include addresses.h for the definition of
878 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
879 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
881 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
884 * Makefile.in (ira-lives.o): Add except.h.
886 * ira-lives.c: Include except.h.
887 (process_bb_node_lives): Process can_throw_internal.
889 2009-01-13 Jakub Jelinek <jakub@redhat.com>
891 PR rtl-optimization/38774
892 * combine.c (simplify_set): When undoing cc_use change, don't do
893 PUT_CODE on the newly created comparison, but instead put back the
896 2009-01-13 Joseph Myers <joseph@codesourcery.com>
898 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
899 values. Remove duplicate arm8 entry.
901 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
903 PR tree-optimization/38786
904 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
905 the SSA_NAME case of expand_scalar_variables_expr.
906 Set the type of an expression to the type of its assign statement.
907 (expand_scalar_variables_expr): Also gather the scalar computation
908 used to index the memory access. Do not pass loop_p.
909 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
910 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
911 the gimple_stmt_iterator where it inserts new code.
913 (copy_bb_and_scalar_dependences): Do not pass loop_p.
914 (translate_clast): Update call to copy_bb_and_scalar_dependences.
916 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
918 * graphite.h (debug_value): Removed.
919 * graphite.c (debug_value): Removed.
921 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
923 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
924 ldrd/strd with two 32-bit instructions.
926 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
928 * config/arm/arm.c (struct processors): Pass for speed down into
929 cost helper functions.
930 (const_ok_for_op): Handle COMPARE and inequality nodes.
931 (arm_rtx_costs_1): Rewrite.
932 (arm_size_rtx_costs): Update prototype.
933 (arm_rtx_costs): Pass speed down to helper functions.
934 (arm_slowmul_rtx_costs): Rework cost calculations.
935 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
936 (arm_9e_rtx_costs): Likewise.
938 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
940 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
941 relocations of local symbols wider than UNITS_PER_WORD are not valid.
942 (alpha_legitimize_address): Do not split local symbols wider than
943 UNITS_PER_WORD into HIGH/LO_SUM parts.
945 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
948 * gcc.c (process_command): Replace call to execvp with calls
951 2009-01-03 Anatoly Sokolov <aesok@post.ru>
954 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
955 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
956 variant for devices with 3-byte PC.
957 (__tablejump_elpm__) : New.
959 2009-01-12 Jakub Jelinek <jakub@redhat.com>
962 * c-parser.c (c_parser_postfix_expression): Allow `->' in
963 offsetof member-designator, handle it as `[0].'.
965 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
967 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
968 function when not using named sections on targets with named sections
969 if branch distance is less than 262132.
971 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
973 * combine.c (combine_instructions): Recompute
974 optimize_this_for_speed_p for each BB in the main combine loop.
976 2009-01-12 Tomas Bily <tbily@suse.cz>
979 * tree-loop-distribution.c (prop_phis): New function.
980 (generate_builtin): Call prop_phis.
981 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
983 2009-01-12 Jakub Jelinek <jakub@redhat.com>
985 PR tree-optimization/38807
986 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
987 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
989 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
991 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
992 subreg of op0 to the original op0.
994 2009-01-11 Laurent GUERBY <laurent@guerby.net>
996 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
998 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1001 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1002 starting with digits.
1004 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1007 * config/arm/arm.c (arm_is_long_call_p): Don't call
1008 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1010 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1012 * regrename.c (regrename_optimize): Fix dumping.
1013 (find_oldest_value_reg): Preserve REG_POINTER.
1014 (copy_hardreg_forward_1): Likewise.
1016 2009-01-09 Diego Novillo <dnovillo@google.com>
1018 * gimple.h (struct gimple_statement_base)<uid>: Document
1019 the restrictions on its use.
1021 (gimple_set_uid): Tidy.
1023 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1025 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1026 zero guard even if align_bytes != 0 and count is smaller than
1029 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1031 PR rtl-optimization/38495
1032 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1033 (add_range_and_copies_from_move_list): Print all added ranges.
1034 Add ranges to memory optimized destination.
1036 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1040 * config/i386/i386.c (override_options): Reject
1041 -mstringop-strategy=rep_8byte with -m32.
1042 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1043 to 1. Do count comparison against epilogue_size_needed at compile
1044 time even when count_exp was constant forced into register. For
1045 size_needed don't jump to epilogue, instead just avoid aligning
1046 and invoke the body algorithm. If need_zero_guard, add zero guard
1047 even if count is non-zero, but smaller than size_needed + number of
1048 bytes that could be stored for alignment.
1049 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1050 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1051 but smaller than size_needed + number of bytes that could be stored
1052 for alignment. Compare size_needed with epilogue_size_needed instead
1053 of desired_align - align, don't adjust size_needed, pass
1054 epilogue_size_needed to the epilogue expanders.
1057 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1059 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1061 * pa.c (last_address): Change to unsigned.
1062 (update_total_code_bytes): Change argument to unsigned. Don't
1063 check if insn addresses are set.
1064 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1065 addresses are not set.
1066 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1068 2009-01-09 Nick Clifton <nickc@redhat.com>
1070 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1071 DECL_DECLARED_INLINE_P.
1073 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1076 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1077 GET_MODE (op0) in operand_subword_force calls.
1080 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1081 fold_convert arg0 operands to TREE_TYPE (op0) first.
1083 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1085 * params.def (ira-max-conflict-table-size): Decrease default value
1088 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1090 PR tree-optimization/37031
1091 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1093 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1094 allocate it using gc instead of heap, use VEC_quick_push instead of
1096 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1097 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1098 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1099 allocated vector from heap allocated.
1100 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1101 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1102 vector only after perfect_loop_nest_depth call.
1104 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1105 Jan Sjodin <jan.sjodin@amd.com>
1107 PR tree-optimization/38559
1108 * graphite.c (debug_value, copy_constraint,
1109 swap_constraint_variables, scale_constraint_variable, ): New.
1110 (get_lower_bound, get_upper_bound): Removed.
1111 (graphite_trans_bb_strip_mine): Clean up this code that works
1112 only for constant number of iterations. Fully copy upper and
1113 lower bound constraints, not only the constant part of them.
1114 * graphite.h (debug_value): Declared.
1116 2009-01-08 Ira Rosen <irar@il.ibm.com>
1118 PR tree-optimization/37194
1119 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1120 Don't add the cost of cost model guard in prologue to scalar
1121 outside cost in case of known number of iterations.
1123 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1124 Alan Modra <amodra@bigpond.net.au>
1126 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1127 non-word-aligned REG+CONST addressing.
1129 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1132 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1133 free_after_compilation when outputting a thunk.
1134 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1135 Do not call free_after_compilation here.
1137 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1139 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1140 (ix86_valid_target_attribute_inner_p): Ditto.
1142 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1144 PR tree-optimization/38492
1145 PR tree-optimization/38498
1146 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1147 * tree-chrec.h (scev_is_linear_expression): Declared.
1148 * graphite.c (graphite_cannot_represent_loop_niter): New.
1149 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1150 (graphite_loop_normal_form): Use gcc_assert.
1151 (scan_tree_for_params): Use CASE_CONVERT.
1152 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1153 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1154 Use gcc_assert. Discard scops that contain unhandled cases.
1155 (build_scop_conditions): Return a boolean status for unhandled cases.
1156 (strip_mine_profitable_p): Print the loop number, not its depth.
1157 (is_interchange_valid): Pass the depth of the loop nest, don't
1158 recompute it wrongly.
1159 (graphite_trans_bb_block): Same.
1160 (graphite_trans_bb_block): Print tentative of loop blocking.
1161 (graphite_trans_scop_block): Do not print that the loop has been
1163 (graphite_transform_loops): Do not handle scops that contain condition
1166 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1168 AVX Programming Reference (December, 2008)
1169 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1170 (_mm256_stream_pd): Likewise.
1171 (_mm256_stream_ps): Likewise.
1173 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1174 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1175 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1176 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1177 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1178 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1179 (ix86_expand_special_args_builtin): Likewise.
1181 * config/i386/sse.md (AVXMODEDI): New.
1182 (avx_movnt<mode>): Likewise.
1183 (avx_movnt<mode>): Likewise.
1184 (<sse>_movnt<mode>): Remove AVX support.
1185 (sse2_movntv2di): Likewise.
1187 2009-01-07 Richard Guenther <rguenther@suse.de>
1190 * fold-const.c (extract_muldiv): Remove obsolete comment.
1191 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1192 to PLUS_EXPR canonicalization for the canonicalization.
1194 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1196 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1197 hosted cross-compilers generating less efficient code.
1199 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1201 * function.h (rtl_data): Add a dbr_scheduled_p field.
1202 * reorg.c (dbr_schedule): Set it.
1203 (gate_handle_delay_slots): Check it.
1204 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1205 (mips_reorg): Check flag_delayed_branch instead of
1206 mips_base_delayed_branch.
1207 (mips_override_options): Don't set mips_base_delayed_branch
1208 or flag_delayed_branch.
1210 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1212 PR rtl-optimization/38426.
1213 * ira.c (ira): Set current_function_is_leaf earlier.
1215 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1217 PR rtl-optimization/38722
1218 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1219 too early, only set a flag and modify after last possible
1222 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1225 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1226 * real.c (decimal_single_format): Correct values of emin and emax.
1227 (decimal_double_format): Ditto.
1228 (decimal_quad_format): Ditto.
1229 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1230 computation of DECnn_MIN and DECnn_MAX for corrected values of
1231 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1232 __DECnn_MIN__, and adjust its computation for the corrected value
1235 2009-01-06 Jan Hubicka <jh@suse.cz>
1238 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1240 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1242 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1243 Add Robert Clark to the list of testers.
1245 2009-01-06 Jan Hubicka <jh@suse.cz>
1246 Kai Tietz <kai.tietz@onevision.com>
1248 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1249 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1251 2009-01-06 Jan Hubicka <jh@suse.cz>
1252 Kai Tietz <kai.tietz@onevision.com>
1254 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1256 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1257 (ix86_nsaved_regs): Count only general purpose regs.
1258 (ix86_nsaved_sseregs): New.
1259 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1260 to 16 for w64; compute padding and size of sse reg save area.
1261 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1262 general purpose regs.
1263 (ix86_emit_save_sse_regs_using_mov): New.
1264 (ix86_expand_prologue): Save SSE regs if needed.
1265 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1266 (ix86_emit_restore_sse_regs_using_mov): New.
1267 (ix86_expand_epilogue): Save SSE regs if needed.
1269 2009-01-06 Jan Hubicka <jh@suse.cz>
1270 Kai Tietz <kai.tietz@onevision.com>
1272 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1273 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1274 functions when accumulate outgoing args is off.
1276 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1279 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1280 before using pseudos_have_intersected_live_ranges_p.
1282 * ira-int.h (ira_assert): Always define.
1284 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1286 AVX Programming Reference (December, 2008)
1287 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1288 (_mm256_permute2_pd): Likewise.
1289 (_mm_permute2_ps): Likewise.
1290 (_mm256_permute2_ps): Likewise.
1291 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1292 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1294 * config/i386/i386.c (ix86_builtins): Remove
1295 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1296 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1297 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1298 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1299 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1300 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1301 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1302 __builtin_ia32_vpermil2ps256.
1303 (ix86_init_mmx_sse_builtins): Updated.
1304 (ix86_expand_args_builtin): Likewise.
1306 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1308 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1309 long absolute calls when generating PA 2.0 code.
1311 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1313 PR rtl-optimization/38583
1314 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1316 * params.def (ira-max-conflict-table-size): New.
1318 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1320 * ira.h (ira_conflicts_p): New external definition.
1322 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1323 table. Report this. Return result of building.
1324 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1325 building conflict table.
1327 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1328 (ira_color): Use ira_conflicts_p.
1330 * global.c: Include ira.h.
1331 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1334 * Makefile.in (global.o): Add ira.h.
1336 * ira-build.c (mark_all_loops_for_removal,
1337 propagate_some_info_from_allocno): New.
1338 (remove_unnecessary_allocnos): Call
1339 propagate_some_info_from_allocno.
1340 (remove_low_level_allocnos): New.
1341 (remove_unnecessary_regions): Add parameter. Call
1342 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1343 parameter to remove_unnecessary_regions.
1344 (ira_build): Remove all regions but root if the conflict table was
1345 not built. Update conflict hard regs for allocnos crossing calls.
1347 * ira.c (ira_conflicts_p): New global.
1348 (ira): Define and use ira_conflicts_p.
1350 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1351 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1352 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1354 2009-01-06 Ben Elliston <bje@au.ibm.com>
1356 * gengtype-lex.l (YY_NO_INPUT): Define.
1358 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1361 * c-common.c (handle_vector_size_attribute): Also reject
1364 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1366 PR tree-optimization/38492
1367 * graphite.c (rename_map_elt, debug_rename_elt,
1368 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1369 rename_map_elt_info, eq_rename_map_elts,
1370 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1371 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1372 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1373 (sese_build_livein_liveouts): New.
1374 (new_sese, free_sese): New.
1375 (new_scop): Call new_sese.
1376 (free_scop): Call free_sese.
1377 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1378 (register_old_new_names): Renamed register_old_and_new_names.
1379 (register_scop_liveout_renames, add_loop_exit_phis,
1380 insert_loop_close_phis, struct igp,
1381 default_liveout_before_guard, add_guard_exit_phis,
1382 insert_guard_phis, copy_renames): New.
1383 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1384 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1385 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1386 (scop_adjust_phis_for_liveouts): New.
1387 (gloog): Call scop_adjust_phis_for_liveouts.
1389 * graphite.h (struct sese): Documented. Added fields liveout,
1391 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1392 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1393 (struct scop): Added field liveout_renames.
1394 (SCOP_LIVEOUT_RENAMES): New.
1396 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1398 PR tree-optimization/38510
1399 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1400 (translate_clast): Call recompute_all_dominators before
1402 (gloog): Call recompute_all_dominators before graphite_verify.
1404 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1405 Jan Sjodin <jan.sjodin@amd.com>
1407 PR tree-optimization/38500
1408 * graphite.c (create_sese_edges): Call fix_loop_structure after
1411 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1413 * config.gcc: Add m32r*-*-rtems*.
1414 * config/m32r/rtems.h: New file.
1416 2009-01-05 Ben Elliston <bje@au.ibm.com>
1418 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1419 (.po.pox): Likewise.
1420 (po/gcc.pot): Likewise.
1422 2009-01-04 David S. Miller <davem@davemloft.net>
1424 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1425 (STARTING_FRAME_OFFSET): Always set to zero.
1427 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1429 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1430 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1431 fixed-point types, and vectors of the same.
1433 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1435 * config/mips/sync.md (*mb_barrier): Rename to...
1436 (*memory_barrier): ...this.
1438 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1440 * doc/extend.texi (Function Attributes): Move @cindex after @item
1441 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1442 and put in alphabetical order. Fix 'target' name and put in order.
1443 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1446 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1448 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1449 (memory_barrier): Expand as unspec instead of unspec_volatile.
1450 Remove mem:BLK from insn operands. Use Pmode scratch register.
1451 (*memory_barrier): Define as unspec instead of unspec_volatile.
1452 Use (match_dup 0) as input operand.
1454 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1455 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1456 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1457 scratch register. Remove operand 1.
1458 (*stbar): Define as unspec instead of unspec_volatile.
1459 Use (match_dup 0) as input operand, remove (const_int 8).
1460 (*membar): Define as unspec instead of unspec_volatile.
1461 Use (match_dup 0) as input operand, remove input operand 2.
1463 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1464 (memory_barrier): Expand as unspec instead of unspec_volatile.
1465 Remove mem:BLK from insn operands. Use Pmode scratch register.
1466 (*memory_barrier): Define as unspec instead of unspec_volatile.
1467 Use (match_dup 0) as input operand.
1469 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1470 Remove mem:BLK from insn operands. Use Pmode scratch register.
1471 Set volatile flag on operand 0.
1472 (*memory_barrier): New insn pattern.
1474 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1476 (*memory_barrier): Use (match_dup 0) as input operand.
1478 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1479 Remove mem:BLK from insn operands. Use Pmode scratch register.
1480 Set volatile flag on operand 0.
1481 (*mb_internal): New insn pattern.
1483 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1485 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1488 * function.c (struct temp_slot): Move to the section of the file
1489 that deals with temp slots. Remove field 'address'.
1490 (temp_slot_address_table): New hash table of address -> temp slot.
1491 (struct temp_slot_address_entry): New struct, items for the table.
1492 (temp_slot_address_compute_hash, temp_slot_address_hash,
1493 temp_slot_address_eq, insert_temp_slot_address): Support functions
1495 (find_temp_slot_from_address): Rewrite to use the new hash table.
1496 (remove_unused_temp_slot_addresses): Remove addresses of temp
1497 slots that have been made available.
1498 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1499 worker function for remove_unused_temp_slot_addresses.
1500 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1501 Add the temp slot address to the address -> temp slot map.
1502 (update_temp_slot_address): Update via insert_temp_slot_address.
1503 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1504 (pop_temp_slots): Likewise.
1505 (init_temp_slots): Allocate the address -> temp slot map, or empty
1506 the map if it is already allocated.
1507 (prepare_function_start): Initialize temp slot processing.
1509 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1512 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1513 Calculate the size of all stack vars assuming no packing of stack
1514 vars will happen, replacing a quadratic algorithm with a linear one.
1516 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1519 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1522 2009-01-03 Diego Novillo <dnovillo@google.com>
1524 * doc/contrib.texi: Update contributions.
1526 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1529 * builtins.c (fold_builtin_memory_op): Give up if either operand
1530 is volatile. Set srctype or desttype to non-qualified version
1534 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1537 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1539 PR rtl-optimization/35805
1540 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1541 problem if fast dce is able to remove any instructions.
1542 * dce.c (dce_process_block): Fix dump message.
1544 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1547 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1549 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1552 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1553 * tree-pretty-print.c (op_code_prio): New function.
1554 (op_prio): No longer static. Use op_code_prio.
1555 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1556 Use op_prio and op_code_prio to determine if () should be
1557 printed around operand(s) or not.
1559 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1560 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1561 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1562 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1563 pp_character instead of pp_string for single letter printing.
1565 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1567 * doc/extend.texi: Fix '#pragma GCC option' typo.
1569 2009-01-02 Richard Guenther <rguenther@suse.de>
1571 * doc/install.texi (--enable-checking): Mention different
1573 (--enable-stage1-checking): Document.
1575 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1578 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1579 case to be an error.
1581 2009-01-02 Ben Elliston <bje@au.ibm.com>
1583 * config/fp-bit.h (pack_d): Constify argument.
1584 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1585 (isnan): Constify argument.
1589 (_fpadd_parts): Constify return type.
1590 (_fpmul_parts): Likewise.
1591 (_fpdiv_parts): Likewise.
1593 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1596 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1597 warn about overwriting initializer with side-effects or
1598 -Woverride-init if !IMPLICIT.
1599 (output_init_element): Likewise. Pass IMPLICIT down to
1601 (process_init_element): Add IMPLICIT argument. Pass it down
1602 to output_init_element.
1603 (push_init_element, pop_init_level, set_designator): Adjust
1604 process_init_element callers.
1605 (set_nonincremental_init, set_nonincremental_init_from_string):
1606 Adjust add_pending_init callers.
1607 (output_pending_init_elements): Adjust output_init_element callers.
1608 * c-tree.h (process_init_element): Adjust prototype.
1609 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1610 process_init_element callers.