1 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5 as having variable size. Do not give an error for unnamed
6 parameters with [*] declarators. Give a warning for type names
7 with [*] declarators and mark them as variable size.
8 * c-parser.c (c_parser_sizeof_expression): Do not give an error
9 for sizeof applied to [*] type names.
11 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
14 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
16 2009-02-03 Jakub Jelinek <jakub@redhat.com>
18 * gcc.c (process_command): Update copyright notice dates.
19 * gcov.c (print_version): Likewise.
20 * gcov-dump.c (print_version): Likewise.
21 * mips-tfile.c (main): Likewise.
22 * mips-tdump.c (main): Likewise.
24 2009-02-03 Joseph Myers <joseph@codesourcery.com>
27 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
28 for composite type involving a zero-length array type.
30 2009-02-03 Jakub Jelinek <jakub@redhat.com>
33 * function.c (match_asm_constraints_1): Skip over
34 initial optional % in the constraint.
37 * c-parser.c (c_parser_postfix_expression): If fixed point is not
38 supported, don't accept FIXED_CSTs.
39 * c-decl.c (finish_declspecs): Error if fixed point is not supported
40 and _Sat is used without _Fract/_Accum. Set specs->type to
41 integer_type_node for cts_fract/cts_accum if fixed point is not
44 2009-02-02 Catherine Moore <clm@codesourcery.com>
46 * sde.h (SUBTARGET_ARM_SPEC): Don;t assemble -fpic code as
49 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
51 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
52 (ABI_HAS_64BIT_SYMBOLS): Use it.
53 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
55 2009-02-02 Paul Brook <paul@codesourcery.com>
57 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
59 2009-02-02 Jakub Jelinek <jakub@redhat.com>
62 * recog.h (asm_operand_ok): Add constraints argument.
63 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
64 recurse on matching constraint.
65 (check_asm_operands): Pass constraints as 3rd argument to
66 asm_operand_ok. Don't look up matching constraint here.
67 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
70 2009-02-02 Ben Elliston <bje@au.ibm.com>
72 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
73 TARGET_NARROW_VOLATILE_BITFIELD macro names.
75 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
77 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
78 information. Remove some obsolete information. Reorganize.
80 * config/pa/fptr.c: Revert license to GPL 2.
81 * config/pa/milli64.S: Likewise.
83 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
86 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
87 LIBRARY name in, instead of hard-coding it.
88 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
89 extra target make frag to tmake_files according to EH model.
90 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
91 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
92 frags that define makefile variable EH_MODEL appropriately.
93 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
94 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
95 to "-sjlj" according to type of EH configured.
96 (LIBGCC_SONAME): Concatenate it to shared library base name.
97 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
98 to "_sjlj" according to type of EH configured.
99 (LIBGCC_SONAME): Concatenate it to shared library base name.
100 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
101 (SHLIB_LINK): Add missing semicolon to if-else construct.
102 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
103 string value of "pe_dll" command-line option.
104 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
105 (SHLIB_SONAME): Use it when overriding t-cygming default.
106 (SHLIB_IMPLIB): Override t-cygming default.
107 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
108 string value of "pe_dll" command-line option.
110 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
113 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
114 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point
117 2009-01-31 Richard Guenther <rguenther@suse.de>
119 PR tree-optimization/38937
120 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
121 computing the transitive closure.
123 2009-01-30 Richard Guenther <rguenther@suse.de>
125 PR tree-optimization/39041
126 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
127 Propagate variable indices only if the types match for this stmt.
129 2009-01-30 Jakub Jelinek <jakub@redhat.com>
132 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
133 inline but never defined.
135 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
137 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
138 (*insv_h_di_reg_extimm): New insn.
139 (*insv_l<mode>_reg_extimm): New insn.
141 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
143 * config/picochip/picochip.c (flag_conserve_stack): set
144 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
145 fconserve-stack. Reduce call-overhead used by inliner.
147 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
150 * common.opt (flag_conserve_stack): Initialised to zero.
152 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
155 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
156 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
159 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
161 * ira-color.c (allocno_reload_assign): Update comments.
162 * regmove.c (regmove_optimize): Likewise.
166 2009-01-29 Robert Millan <rmh@aybabtu.com>
168 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
169 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
171 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
173 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
175 PR tree-optimization/39007
176 * tree-loop-distribution.c (generate_builtin): Use
177 recompute_dominator to compute the immediate dominator of the
178 basic block just after the loop.
180 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
182 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
183 (ASM_OUTPUT_DWARF_PCREL): Define.
185 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
187 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
188 * doc/passes.texi: Remove entries about regclass, local-alloc, and
189 global. Modify entries about regmove and IRA.
191 * ra-conflict.c: Remove the file.
193 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
195 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
196 (pass_regclass_init): Rename to pass_reginfo_init.
198 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
200 * toplev.h (flag_ira): Remove.
202 * caller-save.c (setup_save_areas): Remove flag_ira.
204 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
207 * global.c: Remove the file.
209 * opts.c: (decode_options): Remove flag_ira.
211 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
213 * regmove.c: Modify file description.
214 (find_use_as_address, try_auto_increment): Define them only if
215 AUTO_INC_DEC is defined.
216 (replacement_quality, replace_in_call_usage, fixup_match_1,
217 stable_and_no_regs_but_for_p): Remove.
218 (reg_set_in_bb): Make it static.
219 (regmove_optimize): Remove flag_ira and code which worked for
222 * local-alloc.c: Remove the file.
224 * common.opt (fira): Remove.
226 * ira.c: Include except.h.
227 (eliminable_regset): Move from global.c.
228 (mark_elimination): Ditto. Remove flag_ira.
229 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
230 equiv_mem_modified, validate_equiv_mem_from_store,
231 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
232 contains_replace_regs, memref_referenced_p, memref_used_between_p,
233 no_equiv, recorded_label_ref): Move from local-alloc.c.
234 (update_equiv_regs): Ditto. Make it static.
235 (print_insn_chain, print_insn_chains): Move it from global.c.
236 pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
237 (build_insn_chain): Ditto. Make it static.
238 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
239 Rename to init_live_subregs.
240 (gate_ira): Remove flag_ira.
242 * regclass.c: Rename reginfo.c. Change file description.
243 (FORBIDDEN_INC_DEC_CLASSES): Remove.
244 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
246 (init_reg_sets_1): Remove code for evaluation of
247 reg_class_superclasses and losing_caller_save_reg_set.
248 (init_regs): Remove init_reg_autoinc.
249 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
250 ok_for_base_p_nonstrict): Remove.
251 (regclass_init): Rename to reginfo_init. Don't initialize
253 (pass_regclass_init): Rename to pass_reginfo_init. Modify
254 corresponding entries.
255 (dump_regclass, record_operand_costs, scan_one_insn,
256 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
257 record_address_regs, auto_inc_dec_reg_p): Remove.
258 (gt-regclass.h): Rename to gt-reginfo.h.
260 * rtl.h (dump_global_regs, retry_global_alloc,
261 build_insn_chain, dump_local_alloc, update_equiv_regs):
264 * Makefile.in (RA_H): Remove.
265 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
266 Rename regclass.o to reginfo.o.
267 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
269 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
270 (GTFILES): Rename regclass.c to reginfo.c.
272 * passes.c (init_optimization_passes): Remove pass_local_alloc and
273 pass_global_alloc. Rename pass_regclass_init to
276 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
277 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
279 (finish_spills): Ditto. Remove code for !flga_ira.
281 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
284 * doc/invoke.texi (rtl debug options): Complete rewrite.
285 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
287 * mode-switching.c (pass_mode_switching): Rename pass from
288 "mode-sw" to "mode_sw".
289 * except.c (pass_convert_to_eh_ranges): Rename pass from
290 "eh-ranges" to "eh_ranges".
291 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
295 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
296 Alexander Monakov <amonakov@ispras.ru>
299 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
301 (move_exprs_to_boundary): Change return type and pass through
302 should_move from move_op. Relax assert. Update usage ...
303 (schedule_expr_on_boundary): ... here. Use should_move instead of
305 (move_op_orig_expr_found): Indicate that insn was disconnected from
307 (code_motion_process_successors): Do not call after_merge_succs
308 callback if original expression was not found when traversing any of
310 (code_motion_path_driver): Change return type. Update prototype.
311 (move_op): Update comment. Add a new parameter (should_move). Update
312 prototype. Set *should_move based on indication provided by
313 move_op_orig_expr_found.
315 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
317 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
318 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
319 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
320 * config/rs6000/rs6000.c (rs6000_override_options): Default
321 avoid-indexed-addresses on for Power6, off for everything else.
322 (avoiding_indexed_address_p): New function.
323 (rs6000_legitimize_address): Use it.
324 (rs6000_legitimate_address): Likewise.
325 * config/rs6000/rs6000.md (movXX_updateX): Likewise
327 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
329 PR tree-optimization/38997
330 * tree-loop-distribution.c (generate_memset_zero): Use
331 POINTER_PLUS_EXPR for a pointer addition.
333 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
335 * config/s390/s390.md (bswap<mode>2): New pattern added.
337 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
339 * config/s390/s390.md (*tls_load_31): Added type attribute.
341 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
343 * config/s390/s390.md: Fix a few comments.
345 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
347 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
348 (*tm<mode>_full): Fixed z10prop attribute.
349 (*tst<mode>_extimm): Fixed z10prop attribute.
350 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
351 (*tstqiCCT_cconly): Fixed z10prop attribute.
352 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
353 (*movsi_larl): Fixed z10prop attribute.
354 (*movsi_zarch): Fixed z10prop attribute.
355 (*movsi_eas): Fixed z10prop attribute.
356 (*movhi): Fixed z10prop attribute.
357 (*movqi): Fixed z10prop attribute.
358 (*movstrictqi): Fixed z10prop attribute.
359 (*mov<mode>): Fixed z10prop attribute.
360 (*movcc): Fixed z10prop attribute.
361 (*sethighpartdi_64): Fixed z10prop attribute.
362 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
363 (*negdi2_sign_cc): Fixed z10prop attribute.
364 (*negdi2_sign): Fixed z10prop attribute.
365 (*absdi2_sign_cc): Fixed z10prop attribute.
366 (*absdi2_sign): Fixed z10prop attribute.
367 (*negabsdi2_sign_cc): Fixed z10prop attribute.
368 (*negabsdi2_sign): Fixed z10prop attribute.
369 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
370 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
371 (doloop_si64): Fixed z10prop attribute.
372 (doloop_si31): Fixed z10prop attribute.
373 (doloop_long): Fixed z10prop attribute.
374 (indirect_jump): Fixed z10prop attribute.
375 (nop): Fixed z10prop attribute.
376 (main_base_64): Fixed z10prop attribute.
377 (reload_base_64): Fixed z10prop attribute.
379 2009-01-28 Jakub Jelinek <jakub@redhat.com>
381 PR rtl-optimization/38740
382 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
384 * config/mips/mips.c (mips_reorg): Likewise.
386 2009-01-28 Richard Guenther <rguenther@suse.de>
388 PR tree-optimization/38926
389 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
390 with the correct value id to a value.
391 (do_regular_insertion): Use the value number of edoubleprime
392 for the value number of the expr.
395 2008-08-21 Richard Guenther <rguenther@suse.de>
397 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
398 a PHI ask VN if it is already available.
399 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
400 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
402 2009-01-28 Jakub Jelinek <jakub@redhat.com>
405 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
406 set to varying whenever max has TREE_OVERFLOW set, similarly
407 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
409 2009-01-28 Richard Guenther <rguenther@suse.de>
412 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
413 uninitialized aggregate uses in call arguments.
415 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
417 PR tree-optimization/38984
418 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
419 the nothing_id variable if -fno-delete-null-pointer-checks.
421 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
424 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
425 (set_got_offset_rex64): Ditto.
427 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
430 * doc/extend.texi: Improve local variable with asm reg.
432 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
434 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
435 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
436 was not supplied then set warn_packed_bitfield_compat to the
438 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
441 2009-01-27 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/38503
444 * cfgexpand.c (expand_gimple_basic_block): Ignore
445 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
446 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
447 variables that cannot have TBAA applied.
448 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
451 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
454 * calls.c (initialize_argument_information): Do not wrap complex
455 arguments in SAVE_EXPR.
457 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
459 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
460 (INSTALL_LIBGCC): Revert typo commit.
462 2009-01-26 Richard Guenther <rguenther@suse.de>
464 PR tree-optimization/38745
465 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
466 from special handling.
468 2009-01-26 Richard Guenther <rguenther@suse.de>
470 PR tree-optimization/38745
471 * tree-ssa.c (execute_update_addresses_taken): Do not include
472 variables that cannot possibly be a register in not_reg_needs.
473 Do not clear TREE_ADDRESSABLE on vars that may not become
475 * tree-ssa.c (update_alias_info_1): Include those in the set
478 2009-01-26 Richard Guenther <rguenther@suse.de>
481 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
482 * tree-ssa-dse.c: Include langhooks.h
483 (execute_simple_dse): Remove stores with zero size.
485 2009-01-24 Jakub Jelinek <jakub@redhat.com>
488 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
491 2009-01-24 Julian Brown <julian@codesourcery.com>
493 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
494 config/arm/linux-atomic.c.
495 * config/arm/linux-atomic.c: New.
497 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
499 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
500 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
501 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
503 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
506 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
509 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
511 PR tree-optimization/38953
512 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
513 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
514 (gloog): Split the exit of the scop when the scop exit is a loop exit.
515 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
518 2009-01-24 Paul Brook <paul@codesourcery.com>
520 * config/arm/neon.md (neon_type): Move to arm.md.
521 (neon_mov<VSTRUCT>): Add neon_type attribute.
522 * config/arm/arm.md (neon_type): Move to here.
523 (conds): Add "unconditioal" and use as default for NEON insns.
525 2009-01-24 Ben Elliston <bje@au.ibm.com>
527 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
528 void *' warning from -Wc++-compat.
529 * Makefile.in (dominance.o-warn): Remove.
531 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
533 PR tree-optimization/38932
534 * fold-const.c (fold_unary_ignore_overflow): New.
535 * tree.h (fold_unary_ignore_overflow): Declare.
536 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
537 * tree-ssa-sccvn.c (visit_reference_op_load,
538 simplify_unary_expression): Likewise.
540 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
542 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
543 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
544 regardless of their type.
545 * c-common.c (handle_packed_attribute): Don't ignore packed on
547 * c.opt (Wpacked-bitfield-compat): New warning option.
548 * stor-layout.c (place_field): Warn if offset of a field changed.
549 * doc/extend.texi (packed): Mention the ABI change.
550 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
551 (Warning Options): Add it to the list.
553 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
555 * c-opts.c (c_common_post_options): Fix a typo in comments.
557 2009-01-22 Steve Ellcey <sje@cup.hp.com>
560 * gimplify.c (gimplify_init_constructor): Fix promotion of const
562 * doc/invoke.texi (-fmerge-all-constants): Update description.
564 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
567 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
568 (*movdi_1_rex64): Use type "mmx" for alternative 5.
570 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
572 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
574 (LOCAL_ALIGNMENT): Similarly.
576 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
577 Joseph Myers <joseph@codesourcery.com>
579 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
580 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
581 * config/arm/arm-tune.md: Regenerate.
582 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
585 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
587 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
588 version number to five.
590 2009-01-22 Dodji Seketeli <dodji@redhat.com>
593 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
594 * c-common.c (set_underlying_type): Likewise.
595 (is_typedef_decl ): Likewise
597 (set_underlying_type): Likewise.
598 (is_typedef_type): Likewise.
600 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
603 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
606 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
609 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
610 (LIBGCC_SPEC): Don't define.
611 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
613 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
615 PR rtl-optimization/38879
616 * alias.c (base_alias_check): Unaligned access via AND address can
617 alias all surrounding object types except those with sizes equal
618 or wider than the size of unaligned access.
620 2009-01-21 Dodji Seketeli <dodji@redhat.com>
623 * c-decl.c: (clone_underlying_type): Move this ...
624 * c-common.c (set_underlying_type): ... here.
625 Also, make sure the function properly sets TYPE_STUB_DECL() on
626 the newly created typedef variant type.
627 (is_typedef_decl ): New entry point.
628 * tree.h: Added a new member member_types_needing_access_check to
629 struct tree_decl_non_common.
630 (set_underlying_type): New entry point.
631 (is_typedef_type): Likewise.
633 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
635 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
636 Check whether two instructions have memory references that
637 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
638 are helper functions for traversing.
639 * alias.h (insn_alias_sets_confilict_p): New prototypes.
640 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
641 not to draw dependency edge for instructions with non-conflicting
644 2009-01-20 Joseph Myers <joseph@codesourcery.com>
647 * longlong.h: Update copyright years. Use soft-fp license
648 notice. Sync __clz_tab declaration with glibc.
650 2009-01-20 Steve Ellcey <sje@cup.hp.com>
653 * doc/extend.texi (syscall_linkage): New.
654 (version_id): Modify.
656 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
657 Richard Guenther <rguenther@suse.de>
659 PR tree-optimization/38747
660 PR tree-optimization/38748
661 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
662 conversion if the base address is an indirect reference and the
663 aliasing sets could cause issues.
665 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
667 * common.opt (fgraphite, fgraphite-identity): Add comment for
668 explaining why these options are not documented.
670 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
672 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
673 gimple_call_lhs is NULL.
675 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
678 * emit-rtl.c (adjust_address_1): Make sure memref is never
681 2009-01-20 Ben Elliston <bje@au.ibm.com>
683 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
684 const qualifier from arg parameter. Remove unnecessary cast to char *.
685 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
686 const qualifier from arg 2.
688 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
690 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
692 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
695 * rtl.h (reinit_regs): New prototype.
696 * regclass.c: Include ira.h.
698 * Makefile.in (regclass.o): Add ira.h.
699 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
701 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
704 * c-common.c (handle_aligned_attribute): Use
705 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
706 default alignment value.
708 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
710 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
711 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
713 * doc/extend.texi: Update __attribute__ ((aligned)). Document
714 __BIGGEST_ALIGNMENT__.
716 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
718 2009-01-18 Richard Guenther <rguenther@suse.de>
720 PR tree-optimization/38819
721 * tree-flow.h (operation_could_trap_helper_p): Declare.
722 * tree-eh.c (operation_could_trap_helper_p): Export.
723 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
724 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
725 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
726 are about to insert a possibly trapping instruction and fail
729 2009-01-18 Andreas Schwab <schwab@suse.de>
731 * doc/install.texi (Configuration): Remove obsolete paragraph
732 about use of --with-gnu-ld with --with-gnu-as.
734 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
736 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
737 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
738 Follow spelling conventions.
740 2009-01-18 Ben Elliston <bje@au.ibm.com>
742 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
743 C++ warning about implicit conversion from void * to struct
745 (bitmap_obstack_free): Likewise for bitmap_element *.
746 * Makefile.in (bitmap.o-warn): Remove.
748 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
750 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
752 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
753 Tobias Grosser <tobi.grosser@amd.com>
755 * graphite.c (graphite_trans_scop_block): Do not block single
758 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
760 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
761 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
764 2009-01-16 Richard Guenther <rguenther@suse.de>
766 PR tree-optimization/38835
768 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
769 and INT + PTR -> (INT)(PTR p+ INT) folding.
770 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
772 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
775 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
776 the subreg from a lowpart subreg if it is also casting the value.
778 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
779 Tobias Grosser <tobi.grosser@amd.com>
781 * graphite.c (compare_prefix_loops): New.
782 (build_scop_canonical_schedules): Rewritten.
783 (graphite_transform_loops): Move build_scop_canonical_schedules
784 after build_scop_iteration_domain.
786 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
787 Tobias Grosser <tobi.grosser@amd.com>
789 * graphite.c (add_conditions_to_domain): Add the loops to
790 the dimension of the iteration domain. Do copy the domain
792 (build_scop_conditions_1): Do not call add_conditions_to_domain.
793 (add_conditions_to_constraints): New.
794 (can_generate_code_stmt, can_generate_code): Removed.
795 (gloog): Do not call can_generate_code.
796 (graphite_transform_loops): Call add_conditions_to_constraints
797 after building the iteration domain.
799 2009-01-16 Jakub Jelinek <jakub@redhat.com>
801 PR tree-optimization/38789
802 * tree-ssa-threadedge.c
803 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
804 __builtin_constant_p.
806 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
808 * dce.c (delete_unmarked_insns): Reversed the order that insns are
809 examined before deleting them.
811 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
813 * function.c (aggregate_value_p): Correctly extract the function
814 type from CALL_EXPR_FN lookup.
816 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
818 * config/picochip/picochip.c (picochip_override_options): Revert
819 CFI asm flag disable commited previously.
821 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
822 Tobias Grosser <tobi.grosser@amd.com>
823 Jan Sjodin <jan.sjodin@amd.com>
825 * graphite.c (scan_tree_for_params): On substractions negate
826 all the coefficients of the term.
827 (clast_to_gcc_expression_red): New. Handle reduction expressions
828 of more than two operands.
829 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
830 (get_vdef_before_scop): Handle also the case of default definitions.
832 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
834 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
835 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
836 Also use them when walking CALL_INSN_FUNCTION_USAGE.
838 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
839 Joey Ye <joey.ye@intel.com>
842 * cfgexpand.c (expand_stack_alignment): Don't update stack
843 boundary nor check incoming stack boundary here.
844 (gimple_expand_cfg): Update stack boundary and check incoming
847 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
849 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
851 2009-01-14 Jakub Jelinek <jakub@redhat.com>
853 PR rtl-optimization/38245
854 * calls.c (expand_call): Add stack arguments to
855 CALL_INSN_FUNCTION_USAGE even for pure calls (when
856 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
857 in regs and partially in memory or BLKmode arguments.
858 (emit_library_call_value_1): Add stack arguments to
859 CALL_INSN_FUNCTION_USAGE even for pure calls (when
860 ACCUMULATE_OUTGOING_ARGS).
861 * dce.c: Include tm_p.h.
862 (find_call_stack_args): New function.
863 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
865 (mark_insn): Call find_call_stack_args for CALL_Ps.
866 (prescan_insns_for_dce): Walk insns backwards in bb rather than
867 forwards. Allocate and free arg_stores bitmap if needed, pass it
868 down to deletable_insn_p, don't mark stores set in arg_stores
869 bitmap, clear the bitmap at the beginning of each bb.
870 * Makefile.in (dce.o): Depend on $(TM_P_H).
872 2009-01-14 Michael Meissner <gnu@the-meissners.org>
875 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
876 to make sure the insn is a conditional test (bug 22599). Reformat a
879 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
882 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
883 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
884 (gloog): Do not call cleanup_tree_cfg.
885 (graphite_transform_loops): Call cleanup_tree_cfg after all
886 scops have been code generated.
888 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
889 * doc/gty.texi (Invoking the garbage collector): Added new node
890 and section documenting ggc_collect.
892 2009-01-14 Richard Guenther <rguenther@suse.de>
894 PR tree-optimization/38826
896 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
897 initialization notes only if we actually emitted a warning.
898 (intra_create_variable_infos): Add constraints for a result decl
899 that is passed by hidden reference.
900 (build_pred_graph): Mark all related variables non-direct on
903 2009-01-14 Nick Clifton <nickc@redhat.com>
905 * ira-conflicts.c: Include addresses.h for the definition of
907 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
908 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
910 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
913 * Makefile.in (ira-lives.o): Add except.h.
915 * ira-lives.c: Include except.h.
916 (process_bb_node_lives): Process can_throw_internal.
918 2009-01-13 Jakub Jelinek <jakub@redhat.com>
920 PR rtl-optimization/38774
921 * combine.c (simplify_set): When undoing cc_use change, don't do
922 PUT_CODE on the newly created comparison, but instead put back the
925 2009-01-13 Joseph Myers <joseph@codesourcery.com>
927 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
928 values. Remove duplicate arm8 entry.
930 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
932 PR tree-optimization/38786
933 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
934 the SSA_NAME case of expand_scalar_variables_expr.
935 Set the type of an expression to the type of its assign statement.
936 (expand_scalar_variables_expr): Also gather the scalar computation
937 used to index the memory access. Do not pass loop_p.
938 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
939 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
940 the gimple_stmt_iterator where it inserts new code.
942 (copy_bb_and_scalar_dependences): Do not pass loop_p.
943 (translate_clast): Update call to copy_bb_and_scalar_dependences.
945 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
947 * graphite.h (debug_value): Removed.
948 * graphite.c (debug_value): Removed.
950 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
952 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
953 ldrd/strd with two 32-bit instructions.
955 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
957 * config/arm/arm.c (struct processors): Pass for speed down into
958 cost helper functions.
959 (const_ok_for_op): Handle COMPARE and inequality nodes.
960 (arm_rtx_costs_1): Rewrite.
961 (arm_size_rtx_costs): Update prototype.
962 (arm_rtx_costs): Pass speed down to helper functions.
963 (arm_slowmul_rtx_costs): Rework cost calculations.
964 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
965 (arm_9e_rtx_costs): Likewise.
967 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
969 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
970 relocations of local symbols wider than UNITS_PER_WORD are not valid.
971 (alpha_legitimize_address): Do not split local symbols wider than
972 UNITS_PER_WORD into HIGH/LO_SUM parts.
974 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
977 * gcc.c (process_command): Replace call to execvp with calls
980 2009-01-03 Anatoly Sokolov <aesok@post.ru>
983 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
984 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
985 variant for devices with 3-byte PC.
986 (__tablejump_elpm__) : New.
988 2009-01-12 Jakub Jelinek <jakub@redhat.com>
991 * c-parser.c (c_parser_postfix_expression): Allow `->' in
992 offsetof member-designator, handle it as `[0].'.
994 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
996 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
997 function when not using named sections on targets with named sections
998 if branch distance is less than 262132.
1000 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1002 * combine.c (combine_instructions): Recompute
1003 optimize_this_for_speed_p for each BB in the main combine loop.
1005 2009-01-12 Tomas Bily <tbily@suse.cz>
1008 * tree-loop-distribution.c (prop_phis): New function.
1009 (generate_builtin): Call prop_phis.
1010 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1012 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1014 PR tree-optimization/38807
1015 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1016 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1018 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1020 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1021 subreg of op0 to the original op0.
1023 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1025 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1027 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1030 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1031 starting with digits.
1033 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1036 * config/arm/arm.c (arm_is_long_call_p): Don't call
1037 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1039 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1041 * regrename.c (regrename_optimize): Fix dumping.
1042 (find_oldest_value_reg): Preserve REG_POINTER.
1043 (copy_hardreg_forward_1): Likewise.
1045 2009-01-09 Diego Novillo <dnovillo@google.com>
1047 * gimple.h (struct gimple_statement_base)<uid>: Document
1048 the restrictions on its use.
1050 (gimple_set_uid): Tidy.
1052 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1054 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1055 zero guard even if align_bytes != 0 and count is smaller than
1058 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1060 PR rtl-optimization/38495
1061 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1062 (add_range_and_copies_from_move_list): Print all added ranges.
1063 Add ranges to memory optimized destination.
1065 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1069 * config/i386/i386.c (override_options): Reject
1070 -mstringop-strategy=rep_8byte with -m32.
1071 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1072 to 1. Do count comparison against epilogue_size_needed at compile
1073 time even when count_exp was constant forced into register. For
1074 size_needed don't jump to epilogue, instead just avoid aligning
1075 and invoke the body algorithm. If need_zero_guard, add zero guard
1076 even if count is non-zero, but smaller than size_needed + number of
1077 bytes that could be stored for alignment.
1078 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1079 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1080 but smaller than size_needed + number of bytes that could be stored
1081 for alignment. Compare size_needed with epilogue_size_needed instead
1082 of desired_align - align, don't adjust size_needed, pass
1083 epilogue_size_needed to the epilogue expanders.
1086 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1088 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1090 * pa.c (last_address): Change to unsigned.
1091 (update_total_code_bytes): Change argument to unsigned. Don't
1092 check if insn addresses are set.
1093 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1094 addresses are not set.
1095 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1097 2009-01-09 Nick Clifton <nickc@redhat.com>
1099 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1100 DECL_DECLARED_INLINE_P.
1102 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1105 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1106 GET_MODE (op0) in operand_subword_force calls.
1109 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1110 fold_convert arg0 operands to TREE_TYPE (op0) first.
1112 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1114 * params.def (ira-max-conflict-table-size): Decrease default value
1117 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1119 PR tree-optimization/37031
1120 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1122 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1123 allocate it using gc instead of heap, use VEC_quick_push instead of
1125 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1126 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1127 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1128 allocated vector from heap allocated.
1129 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1130 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1131 vector only after perfect_loop_nest_depth call.
1133 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1134 Jan Sjodin <jan.sjodin@amd.com>
1136 PR tree-optimization/38559
1137 * graphite.c (debug_value, copy_constraint,
1138 swap_constraint_variables, scale_constraint_variable, ): New.
1139 (get_lower_bound, get_upper_bound): Removed.
1140 (graphite_trans_bb_strip_mine): Clean up this code that works
1141 only for constant number of iterations. Fully copy upper and
1142 lower bound constraints, not only the constant part of them.
1143 * graphite.h (debug_value): Declared.
1145 2009-01-08 Ira Rosen <irar@il.ibm.com>
1147 PR tree-optimization/37194
1148 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1149 Don't add the cost of cost model guard in prologue to scalar
1150 outside cost in case of known number of iterations.
1152 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1153 Alan Modra <amodra@bigpond.net.au>
1155 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1156 non-word-aligned REG+CONST addressing.
1158 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1161 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1162 free_after_compilation when outputting a thunk.
1163 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1164 Do not call free_after_compilation here.
1166 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1168 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1169 (ix86_valid_target_attribute_inner_p): Ditto.
1171 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1173 PR tree-optimization/38492
1174 PR tree-optimization/38498
1175 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1176 * tree-chrec.h (scev_is_linear_expression): Declared.
1177 * graphite.c (graphite_cannot_represent_loop_niter): New.
1178 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1179 (graphite_loop_normal_form): Use gcc_assert.
1180 (scan_tree_for_params): Use CASE_CONVERT.
1181 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1182 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1183 Use gcc_assert. Discard scops that contain unhandled cases.
1184 (build_scop_conditions): Return a boolean status for unhandled cases.
1185 (strip_mine_profitable_p): Print the loop number, not its depth.
1186 (is_interchange_valid): Pass the depth of the loop nest, don't
1187 recompute it wrongly.
1188 (graphite_trans_bb_block): Same.
1189 (graphite_trans_bb_block): Print tentative of loop blocking.
1190 (graphite_trans_scop_block): Do not print that the loop has been
1192 (graphite_transform_loops): Do not handle scops that contain condition
1195 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1197 AVX Programming Reference (December, 2008)
1198 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1199 (_mm256_stream_pd): Likewise.
1200 (_mm256_stream_ps): Likewise.
1202 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1203 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1204 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1205 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1206 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1207 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1208 (ix86_expand_special_args_builtin): Likewise.
1210 * config/i386/sse.md (AVXMODEDI): New.
1211 (avx_movnt<mode>): Likewise.
1212 (avx_movnt<mode>): Likewise.
1213 (<sse>_movnt<mode>): Remove AVX support.
1214 (sse2_movntv2di): Likewise.
1216 2009-01-07 Richard Guenther <rguenther@suse.de>
1219 * fold-const.c (extract_muldiv): Remove obsolete comment.
1220 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1221 to PLUS_EXPR canonicalization for the canonicalization.
1223 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1225 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1226 hosted cross-compilers generating less efficient code.
1228 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1230 * function.h (rtl_data): Add a dbr_scheduled_p field.
1231 * reorg.c (dbr_schedule): Set it.
1232 (gate_handle_delay_slots): Check it.
1233 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1234 (mips_reorg): Check flag_delayed_branch instead of
1235 mips_base_delayed_branch.
1236 (mips_override_options): Don't set mips_base_delayed_branch
1237 or flag_delayed_branch.
1239 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1241 PR rtl-optimization/38426.
1242 * ira.c (ira): Set current_function_is_leaf earlier.
1244 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1246 PR rtl-optimization/38722
1247 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1248 too early, only set a flag and modify after last possible
1251 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1254 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1255 * real.c (decimal_single_format): Correct values of emin and emax.
1256 (decimal_double_format): Ditto.
1257 (decimal_quad_format): Ditto.
1258 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1259 computation of DECnn_MIN and DECnn_MAX for corrected values of
1260 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1261 __DECnn_MIN__, and adjust its computation for the corrected value
1264 2009-01-06 Jan Hubicka <jh@suse.cz>
1267 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1269 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1271 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1272 Add Robert Clark to the list of testers.
1274 2009-01-06 Jan Hubicka <jh@suse.cz>
1275 Kai Tietz <kai.tietz@onevision.com>
1277 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1278 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1280 2009-01-06 Jan Hubicka <jh@suse.cz>
1281 Kai Tietz <kai.tietz@onevision.com>
1283 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1285 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1286 (ix86_nsaved_regs): Count only general purpose regs.
1287 (ix86_nsaved_sseregs): New.
1288 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1289 to 16 for w64; compute padding and size of sse reg save area.
1290 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1291 general purpose regs.
1292 (ix86_emit_save_sse_regs_using_mov): New.
1293 (ix86_expand_prologue): Save SSE regs if needed.
1294 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1295 (ix86_emit_restore_sse_regs_using_mov): New.
1296 (ix86_expand_epilogue): Save SSE regs if needed.
1298 2009-01-06 Jan Hubicka <jh@suse.cz>
1299 Kai Tietz <kai.tietz@onevision.com>
1301 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1302 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1303 functions when accumulate outgoing args is off.
1305 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1308 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1309 before using pseudos_have_intersected_live_ranges_p.
1311 * ira-int.h (ira_assert): Always define.
1313 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1315 AVX Programming Reference (December, 2008)
1316 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1317 (_mm256_permute2_pd): Likewise.
1318 (_mm_permute2_ps): Likewise.
1319 (_mm256_permute2_ps): Likewise.
1320 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1321 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1323 * config/i386/i386.c (ix86_builtins): Remove
1324 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1325 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1326 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1327 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1328 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1329 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1330 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1331 __builtin_ia32_vpermil2ps256.
1332 (ix86_init_mmx_sse_builtins): Updated.
1333 (ix86_expand_args_builtin): Likewise.
1335 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1337 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1338 long absolute calls when generating PA 2.0 code.
1340 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1342 PR rtl-optimization/38583
1343 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1345 * params.def (ira-max-conflict-table-size): New.
1347 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1349 * ira.h (ira_conflicts_p): New external definition.
1351 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1352 table. Report this. Return result of building.
1353 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1354 building conflict table.
1356 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1357 (ira_color): Use ira_conflicts_p.
1359 * global.c: Include ira.h.
1360 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1363 * Makefile.in (global.o): Add ira.h.
1365 * ira-build.c (mark_all_loops_for_removal,
1366 propagate_some_info_from_allocno): New.
1367 (remove_unnecessary_allocnos): Call
1368 propagate_some_info_from_allocno.
1369 (remove_low_level_allocnos): New.
1370 (remove_unnecessary_regions): Add parameter. Call
1371 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1372 parameter to remove_unnecessary_regions.
1373 (ira_build): Remove all regions but root if the conflict table was
1374 not built. Update conflict hard regs for allocnos crossing calls.
1376 * ira.c (ira_conflicts_p): New global.
1377 (ira): Define and use ira_conflicts_p.
1379 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1380 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1381 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1383 2009-01-06 Ben Elliston <bje@au.ibm.com>
1385 * gengtype-lex.l (YY_NO_INPUT): Define.
1387 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1390 * c-common.c (handle_vector_size_attribute): Also reject
1393 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1395 PR tree-optimization/38492
1396 * graphite.c (rename_map_elt, debug_rename_elt,
1397 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1398 rename_map_elt_info, eq_rename_map_elts,
1399 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1400 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1401 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1402 (sese_build_livein_liveouts): New.
1403 (new_sese, free_sese): New.
1404 (new_scop): Call new_sese.
1405 (free_scop): Call free_sese.
1406 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1407 (register_old_new_names): Renamed register_old_and_new_names.
1408 (register_scop_liveout_renames, add_loop_exit_phis,
1409 insert_loop_close_phis, struct igp,
1410 default_liveout_before_guard, add_guard_exit_phis,
1411 insert_guard_phis, copy_renames): New.
1412 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1413 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1414 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1415 (scop_adjust_phis_for_liveouts): New.
1416 (gloog): Call scop_adjust_phis_for_liveouts.
1418 * graphite.h (struct sese): Documented. Added fields liveout,
1420 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1421 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1422 (struct scop): Added field liveout_renames.
1423 (SCOP_LIVEOUT_RENAMES): New.
1425 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1427 PR tree-optimization/38510
1428 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1429 (translate_clast): Call recompute_all_dominators before
1431 (gloog): Call recompute_all_dominators before graphite_verify.
1433 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1434 Jan Sjodin <jan.sjodin@amd.com>
1436 PR tree-optimization/38500
1437 * graphite.c (create_sese_edges): Call fix_loop_structure after
1440 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1442 * config.gcc: Add m32r*-*-rtems*.
1443 * config/m32r/rtems.h: New file.
1445 2009-01-05 Ben Elliston <bje@au.ibm.com>
1447 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1448 (.po.pox): Likewise.
1449 (po/gcc.pot): Likewise.
1451 2009-01-04 David S. Miller <davem@davemloft.net>
1453 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1454 (STARTING_FRAME_OFFSET): Always set to zero.
1456 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1458 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1459 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1460 fixed-point types, and vectors of the same.
1462 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1464 * config/mips/sync.md (*mb_barrier): Rename to...
1465 (*memory_barrier): ...this.
1467 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1469 * doc/extend.texi (Function Attributes): Move @cindex after @item
1470 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1471 and put in alphabetical order. Fix 'target' name and put in order.
1472 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1475 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1477 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1478 (memory_barrier): Expand as unspec instead of unspec_volatile.
1479 Remove mem:BLK from insn operands. Use Pmode scratch register.
1480 (*memory_barrier): Define as unspec instead of unspec_volatile.
1481 Use (match_dup 0) as input operand.
1483 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1484 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1485 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1486 scratch register. Remove operand 1.
1487 (*stbar): Define as unspec instead of unspec_volatile.
1488 Use (match_dup 0) as input operand, remove (const_int 8).
1489 (*membar): Define as unspec instead of unspec_volatile.
1490 Use (match_dup 0) as input operand, remove input operand 2.
1492 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1493 (memory_barrier): Expand as unspec instead of unspec_volatile.
1494 Remove mem:BLK from insn operands. Use Pmode scratch register.
1495 (*memory_barrier): Define as unspec instead of unspec_volatile.
1496 Use (match_dup 0) as input operand.
1498 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1499 Remove mem:BLK from insn operands. Use Pmode scratch register.
1500 Set volatile flag on operand 0.
1501 (*memory_barrier): New insn pattern.
1503 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1505 (*memory_barrier): Use (match_dup 0) as input operand.
1507 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1508 Remove mem:BLK from insn operands. Use Pmode scratch register.
1509 Set volatile flag on operand 0.
1510 (*mb_internal): New insn pattern.
1512 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1514 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1517 * function.c (struct temp_slot): Move to the section of the file
1518 that deals with temp slots. Remove field 'address'.
1519 (temp_slot_address_table): New hash table of address -> temp slot.
1520 (struct temp_slot_address_entry): New struct, items for the table.
1521 (temp_slot_address_compute_hash, temp_slot_address_hash,
1522 temp_slot_address_eq, insert_temp_slot_address): Support functions
1524 (find_temp_slot_from_address): Rewrite to use the new hash table.
1525 (remove_unused_temp_slot_addresses): Remove addresses of temp
1526 slots that have been made available.
1527 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1528 worker function for remove_unused_temp_slot_addresses.
1529 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1530 Add the temp slot address to the address -> temp slot map.
1531 (update_temp_slot_address): Update via insert_temp_slot_address.
1532 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1533 (pop_temp_slots): Likewise.
1534 (init_temp_slots): Allocate the address -> temp slot map, or empty
1535 the map if it is already allocated.
1536 (prepare_function_start): Initialize temp slot processing.
1538 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1541 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1542 Calculate the size of all stack vars assuming no packing of stack
1543 vars will happen, replacing a quadratic algorithm with a linear one.
1545 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1548 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1551 2009-01-03 Diego Novillo <dnovillo@google.com>
1553 * doc/contrib.texi: Update contributions.
1555 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1558 * builtins.c (fold_builtin_memory_op): Give up if either operand
1559 is volatile. Set srctype or desttype to non-qualified version
1563 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1566 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1568 PR rtl-optimization/35805
1569 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1570 problem if fast dce is able to remove any instructions.
1571 * dce.c (dce_process_block): Fix dump message.
1573 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1576 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1578 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1581 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1582 * tree-pretty-print.c (op_code_prio): New function.
1583 (op_prio): No longer static. Use op_code_prio.
1584 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1585 Use op_prio and op_code_prio to determine if () should be
1586 printed around operand(s) or not.
1588 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1589 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1590 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1591 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1592 pp_character instead of pp_string for single letter printing.
1594 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1596 * doc/extend.texi: Fix '#pragma GCC option' typo.
1598 2009-01-02 Richard Guenther <rguenther@suse.de>
1600 * doc/install.texi (--enable-checking): Mention different
1602 (--enable-stage1-checking): Document.
1604 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1607 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1608 case to be an error.
1610 2009-01-02 Ben Elliston <bje@au.ibm.com>
1612 * config/fp-bit.h (pack_d): Constify argument.
1613 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1614 (isnan): Constify argument.
1618 (_fpadd_parts): Constify return type.
1619 (_fpmul_parts): Likewise.
1620 (_fpdiv_parts): Likewise.
1622 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1625 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1626 warn about overwriting initializer with side-effects or
1627 -Woverride-init if !IMPLICIT.
1628 (output_init_element): Likewise. Pass IMPLICIT down to
1630 (process_init_element): Add IMPLICIT argument. Pass it down
1631 to output_init_element.
1632 (push_init_element, pop_init_level, set_designator): Adjust
1633 process_init_element callers.
1634 (set_nonincremental_init, set_nonincremental_init_from_string):
1635 Adjust add_pending_init callers.
1636 (output_pending_init_elements): Adjust output_init_element callers.
1637 * c-tree.h (process_init_element): Adjust prototype.
1638 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1639 process_init_element callers.