1 2009-02-08 Eric Botcazou <ebotcazou@adacore.com>
3 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p) <VIEW_CONVERT_EXPR>:
4 Make case self-contained.
5 <ARRAY_REF>: Test TYPE_NONALIASED_COMPONENT flag.
7 2009-02-07 Anatoly Sokolov <aesok@post.ru>
9 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
13 2009-02-06 Joseph Myers <joseph@codesourcery.com>
16 * c-common.c (handle_alias_attribute): Disallow attribute for
17 anything not a FUNCTION_DECL or VAR_DECL.
19 2009-02-06 Janis Johnson <janis187@us.ibm.com>
22 * real.c (do_compare): Special-case compare of zero against
25 2009-02-06 Joseph Myers <joseph@codesourcery.com>
28 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
29 as indicating flexible array members unless the field itself is
30 being declarared as the incomplete array.
32 2009-02-06 Jan Hubicka <jh@suse.cz>
34 PR tree-optimization/38844
35 * ipa-inline.c (try_inline): Stop inlining recursion when edge
38 2009-02-06 Richard Guenther <rguenther@suse.de>
41 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
42 fork because we may expand it as __gcov_fork.
44 2009-02-06 Nick Clifton <nickc@redhat.com>
46 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to
49 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
51 PR tree-optimization/35659
52 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
53 vn_phi_eq): Shortcut if hashcode does not match.
54 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
56 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
57 and avoid iterative_hash_expr.
58 (FOR_EACH_VALUE_ID_IN_SET): New.
59 (value_id_compare): Remove.
60 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
61 sort expressions by value id.
63 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
66 * config/sh/predicates.md (general_movsrc_operand): Don't check
67 the subreg of system registers here.
69 2009-02-05 Jakub Jelinek <jakub@redhat.com>
72 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
75 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
77 PR rtl-optimization/39110
78 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
79 addresses, not aligned ones.
81 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
82 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/39100
85 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
86 comment says and add edges.
88 2009-02-05 Joseph Myers <joseph@codesourcery.com>
91 * c-common.c (handle_tls_model_attribute): Ignore attribute for
92 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
94 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
96 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
97 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
98 register_bb_in_sese, new_sese, free_sese): Moved.
99 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
100 outermost_loop_in_scop, build_scop_iteration_domain,
101 expand_scalar_variables_ssa_name, get_vdef_before_scop,
102 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
103 Use loop_in_sese_p instead of loop_in_scop_p.
104 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
105 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
106 (scopdet_basic_block_info): Fix bug in scop detection.
107 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
108 eq_loop_to_cloog_loop): Remove.
109 (nb_loops_around_loop_in_scop, nb_loop
110 ref_nb_loops): Moved here...
111 * graphite.h (ref_nb_loops): ... from here.
112 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
113 (loop_domain_dim, loop_iteration_vector_dim): Remove.
114 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
115 * testsuite/gcc.dg/graphite/scop-19.c: New
117 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
118 Hans-Peter Nilsson <hp@axis.com>
120 PR rtl-optimization/37889
121 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
122 Move offset handling from PLUS to before the switch. Use new
123 arguments when considering SYMBOL_REFs too.
124 (rtx_addr_can_trap_p): Pass dummy offset and size.
125 (enum may_trap_p_flags): Remove.
126 (may_trap_p_1): Pass size from MEM_SIZE.
128 PR rtl-optimization/38921
129 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
130 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
131 * rtlanal.c (may_trap_after_code_motion_p): Delete.
132 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
134 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
136 AVX Programming Reference (January, 2009)
137 * config/i386/sse.md (*vpclmulqdq): New.
139 2009-02-04 Jakub Jelinek <jakub@redhat.com>
141 PR tree-optimization/38977
142 PR gcov-profile/38292
143 * calls.c (special_function_p): Disregard __builtin_ prefix.
145 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
147 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
148 non-indexable addresses even before reload.
150 2009-02-03 Joseph Myers <joseph@codesourcery.com>
153 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
154 as having variable size. Do not give an error for unnamed
155 parameters with [*] declarators. Give a warning for type names
156 with [*] declarators and mark them as variable size.
157 * c-parser.c (c_parser_sizeof_expression): Do not give an error
158 for sizeof applied to [*] type names.
160 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
163 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
165 2009-02-03 Jakub Jelinek <jakub@redhat.com>
167 * gcc.c (process_command): Update copyright notice dates.
168 * gcov.c (print_version): Likewise.
169 * gcov-dump.c (print_version): Likewise.
170 * mips-tfile.c (main): Likewise.
171 * mips-tdump.c (main): Likewise.
173 2009-02-03 Joseph Myers <joseph@codesourcery.com>
176 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
177 for composite type involving a zero-length array type.
179 2009-02-03 Jakub Jelinek <jakub@redhat.com>
182 * function.c (match_asm_constraints_1): Skip over
183 initial optional % in the constraint.
186 * c-parser.c (c_parser_postfix_expression): If fixed point is not
187 supported, don't accept FIXED_CSTs.
188 * c-decl.c (finish_declspecs): Error if fixed point is not supported
189 and _Sat is used without _Fract/_Accum. Set specs->type to
190 integer_type_node for cts_fract/cts_accum if fixed point is not
193 2009-02-02 Catherine Moore <clm@codesourcery.com>
195 * sde.h (SUBTARGET_ARM_SPEC): Don;t assemble -fpic code as -mabicalls.
197 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
199 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
200 (ABI_HAS_64BIT_SYMBOLS): Use it.
201 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
203 2009-02-02 Paul Brook <paul@codesourcery.com>
205 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
207 2009-02-02 Jakub Jelinek <jakub@redhat.com>
210 * recog.h (asm_operand_ok): Add constraints argument.
211 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
212 recurse on matching constraint.
213 (check_asm_operands): Pass constraints as 3rd argument to
214 asm_operand_ok. Don't look up matching constraint here.
215 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
218 2009-02-02 Ben Elliston <bje@au.ibm.com>
220 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
221 TARGET_NARROW_VOLATILE_BITFIELD macro names.
223 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
225 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
226 information. Remove some obsolete information. Reorganize.
228 * config/pa/fptr.c: Revert license to GPL 2.
229 * config/pa/milli64.S: Likewise.
231 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
234 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
235 LIBRARY name in, instead of hard-coding it.
236 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
237 extra target make frag to tmake_files according to EH model.
238 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
239 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
240 frags that define makefile variable EH_MODEL appropriately.
241 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
242 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
243 to "-sjlj" according to type of EH configured.
244 (LIBGCC_SONAME): Concatenate it to shared library base name.
245 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
246 to "_sjlj" according to type of EH configured.
247 (LIBGCC_SONAME): Concatenate it to shared library base name.
248 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
249 (SHLIB_LINK): Add missing semicolon to if-else construct.
250 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
251 string value of "pe_dll" command-line option.
252 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
253 (SHLIB_SONAME): Use it when overriding t-cygming default.
254 (SHLIB_IMPLIB): Override t-cygming default.
255 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
256 string value of "pe_dll" command-line option.
258 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
261 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
262 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
264 2009-01-31 Richard Guenther <rguenther@suse.de>
266 PR tree-optimization/38937
267 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
268 computing the transitive closure.
270 2009-01-30 Richard Guenther <rguenther@suse.de>
272 PR tree-optimization/39041
273 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
274 Propagate variable indices only if the types match for this stmt.
276 2009-01-30 Jakub Jelinek <jakub@redhat.com>
279 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
280 inline but never defined.
282 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
284 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
285 (*insv_h_di_reg_extimm): New insn.
286 (*insv_l<mode>_reg_extimm): New insn.
288 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
290 * config/picochip/picochip.c (flag_conserve_stack): set
291 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
292 fconserve-stack. Reduce call-overhead used by inliner.
294 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
297 * common.opt (flag_conserve_stack): Initialised to zero.
299 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
302 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
303 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
306 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
308 * ira-color.c (allocno_reload_assign): Update comments.
309 * regmove.c (regmove_optimize): Likewise.
313 2009-01-29 Robert Millan <rmh@aybabtu.com>
315 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
316 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
318 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
320 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
322 PR tree-optimization/39007
323 * tree-loop-distribution.c (generate_builtin): Use
324 recompute_dominator to compute the immediate dominator of the
325 basic block just after the loop.
327 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
329 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
330 (ASM_OUTPUT_DWARF_PCREL): Define.
332 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
334 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
335 * doc/passes.texi: Remove entries about regclass, local-alloc, and
336 global. Modify entries about regmove and IRA.
338 * ra-conflict.c: Remove the file.
340 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
342 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
343 (pass_regclass_init): Rename to pass_reginfo_init.
345 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
347 * toplev.h (flag_ira): Remove.
349 * caller-save.c (setup_save_areas): Remove flag_ira.
351 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
353 * global.c: Remove the file.
355 * opts.c: (decode_options): Remove flag_ira.
357 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
359 * regmove.c: Modify file description.
360 (find_use_as_address, try_auto_increment): Define them only if
361 AUTO_INC_DEC is defined.
362 (replacement_quality, replace_in_call_usage, fixup_match_1,
363 stable_and_no_regs_but_for_p): Remove.
364 (reg_set_in_bb): Make it static.
365 (regmove_optimize): Remove flag_ira and code which worked for
368 * local-alloc.c: Remove the file.
370 * common.opt (fira): Remove.
372 * ira.c: Include except.h.
373 (eliminable_regset): Move from global.c.
374 (mark_elimination): Ditto. Remove flag_ira.
375 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
376 equiv_mem_modified, validate_equiv_mem_from_store,
377 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
378 contains_replace_regs, memref_referenced_p, memref_used_between_p,
379 no_equiv, recorded_label_ref): Move from local-alloc.c.
380 (update_equiv_regs): Ditto. Make it static.
381 (print_insn_chain, print_insn_chains): Move it from global.c.
382 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
383 (build_insn_chain): Ditto. Make it static.
384 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
385 Rename to init_live_subregs.
386 (gate_ira): Remove flag_ira.
388 * regclass.c: Rename reginfo.c. Change file description.
389 (FORBIDDEN_INC_DEC_CLASSES): Remove.
390 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
392 (init_reg_sets_1): Remove code for evaluation of
393 reg_class_superclasses and losing_caller_save_reg_set.
394 (init_regs): Remove init_reg_autoinc.
395 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
396 ok_for_base_p_nonstrict): Remove.
397 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
398 (pass_regclass_init): Rename to pass_reginfo_init. Modify
399 corresponding entries.
400 (dump_regclass, record_operand_costs, scan_one_insn,
401 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
402 record_address_regs, auto_inc_dec_reg_p): Remove.
403 (gt-regclass.h): Rename to gt-reginfo.h.
405 * rtl.h (dump_global_regs, retry_global_alloc,
406 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
408 * Makefile.in (RA_H): Remove.
409 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
410 Rename regclass.o to reginfo.o.
411 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
413 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
414 (GTFILES): Rename regclass.c to reginfo.c.
416 * passes.c (init_optimization_passes): Remove pass_local_alloc and
417 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
419 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
420 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
422 (finish_spills): Ditto. Remove code for !flga_ira.
424 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
427 * doc/invoke.texi (rtl debug options): Complete rewrite.
428 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
430 * mode-switching.c (pass_mode_switching): Rename pass from
431 "mode-sw" to "mode_sw".
432 * except.c (pass_convert_to_eh_ranges): Rename pass from
433 "eh-ranges" to "eh_ranges".
434 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
438 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
439 Alexander Monakov <amonakov@ispras.ru>
442 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
444 (move_exprs_to_boundary): Change return type and pass through
445 should_move from move_op. Relax assert. Update usage ...
446 (schedule_expr_on_boundary): ... here. Use should_move instead of
448 (move_op_orig_expr_found): Indicate that insn was disconnected from
450 (code_motion_process_successors): Do not call after_merge_succs
451 callback if original expression was not found when traversing any of
453 (code_motion_path_driver): Change return type. Update prototype.
454 (move_op): Update comment. Add a new parameter (should_move). Update
455 prototype. Set *should_move based on indication provided by
456 move_op_orig_expr_found.
458 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
460 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
461 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
462 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
463 * config/rs6000/rs6000.c (rs6000_override_options): Default
464 avoid-indexed-addresses on for Power6, off for everything else.
465 (avoiding_indexed_address_p): New function.
466 (rs6000_legitimize_address): Use it.
467 (rs6000_legitimate_address): Likewise.
468 * config/rs6000/rs6000.md (movXX_updateX): Likewise
470 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
472 PR tree-optimization/38997
473 * tree-loop-distribution.c (generate_memset_zero): Use
474 POINTER_PLUS_EXPR for a pointer addition.
476 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
478 * config/s390/s390.md (bswap<mode>2): New pattern added.
480 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
482 * config/s390/s390.md (*tls_load_31): Added type attribute.
484 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
486 * config/s390/s390.md: Fix a few comments.
488 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
490 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
491 (*tm<mode>_full): Fixed z10prop attribute.
492 (*tst<mode>_extimm): Fixed z10prop attribute.
493 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
494 (*tstqiCCT_cconly): Fixed z10prop attribute.
495 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
496 (*movsi_larl): Fixed z10prop attribute.
497 (*movsi_zarch): Fixed z10prop attribute.
498 (*movsi_eas): Fixed z10prop attribute.
499 (*movhi): Fixed z10prop attribute.
500 (*movqi): Fixed z10prop attribute.
501 (*movstrictqi): Fixed z10prop attribute.
502 (*mov<mode>): Fixed z10prop attribute.
503 (*movcc): Fixed z10prop attribute.
504 (*sethighpartdi_64): Fixed z10prop attribute.
505 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
506 (*negdi2_sign_cc): Fixed z10prop attribute.
507 (*negdi2_sign): Fixed z10prop attribute.
508 (*absdi2_sign_cc): Fixed z10prop attribute.
509 (*absdi2_sign): Fixed z10prop attribute.
510 (*negabsdi2_sign_cc): Fixed z10prop attribute.
511 (*negabsdi2_sign): Fixed z10prop attribute.
512 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
513 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
514 (doloop_si64): Fixed z10prop attribute.
515 (doloop_si31): Fixed z10prop attribute.
516 (doloop_long): Fixed z10prop attribute.
517 (indirect_jump): Fixed z10prop attribute.
518 (nop): Fixed z10prop attribute.
519 (main_base_64): Fixed z10prop attribute.
520 (reload_base_64): Fixed z10prop attribute.
522 2009-01-28 Jakub Jelinek <jakub@redhat.com>
524 PR rtl-optimization/38740
525 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
527 * config/mips/mips.c (mips_reorg): Likewise.
529 2009-01-28 Richard Guenther <rguenther@suse.de>
531 PR tree-optimization/38926
532 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
533 with the correct value id to a value.
534 (do_regular_insertion): Use the value number of edoubleprime
535 for the value number of the expr.
538 2008-08-21 Richard Guenther <rguenther@suse.de>
540 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
541 a PHI ask VN if it is already available.
542 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
543 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
545 2009-01-28 Jakub Jelinek <jakub@redhat.com>
548 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
549 set to varying whenever max has TREE_OVERFLOW set, similarly
550 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
552 2009-01-28 Richard Guenther <rguenther@suse.de>
555 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
556 uninitialized aggregate uses in call arguments.
558 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
560 PR tree-optimization/38984
561 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
562 the nothing_id variable if -fno-delete-null-pointer-checks.
564 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
567 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
568 (set_got_offset_rex64): Ditto.
570 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
573 * doc/extend.texi: Improve local variable with asm reg.
575 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
577 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
578 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
579 was not supplied then set warn_packed_bitfield_compat to the
581 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
584 2009-01-27 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/38503
587 * cfgexpand.c (expand_gimple_basic_block): Ignore
588 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
589 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
590 variables that cannot have TBAA applied.
591 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
594 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
597 * calls.c (initialize_argument_information): Do not wrap complex
598 arguments in SAVE_EXPR.
600 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
602 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
603 (INSTALL_LIBGCC): Revert typo commit.
605 2009-01-26 Richard Guenther <rguenther@suse.de>
607 PR tree-optimization/38745
608 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
609 from special handling.
611 2009-01-26 Richard Guenther <rguenther@suse.de>
613 PR tree-optimization/38745
614 * tree-ssa.c (execute_update_addresses_taken): Do not include
615 variables that cannot possibly be a register in not_reg_needs.
616 Do not clear TREE_ADDRESSABLE on vars that may not become
618 * tree-ssa.c (update_alias_info_1): Include those in the set
621 2009-01-26 Richard Guenther <rguenther@suse.de>
624 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
625 * tree-ssa-dse.c: Include langhooks.h
626 (execute_simple_dse): Remove stores with zero size.
628 2009-01-24 Jakub Jelinek <jakub@redhat.com>
631 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
634 2009-01-24 Julian Brown <julian@codesourcery.com>
636 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
637 config/arm/linux-atomic.c.
638 * config/arm/linux-atomic.c: New.
640 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
642 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
643 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
644 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
646 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
649 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
652 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
654 PR tree-optimization/38953
655 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
656 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
657 (gloog): Split the exit of the scop when the scop exit is a loop exit.
658 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
661 2009-01-24 Paul Brook <paul@codesourcery.com>
663 * config/arm/neon.md (neon_type): Move to arm.md.
664 (neon_mov<VSTRUCT>): Add neon_type attribute.
665 * config/arm/arm.md (neon_type): Move to here.
666 (conds): Add "unconditioal" and use as default for NEON insns.
668 2009-01-24 Ben Elliston <bje@au.ibm.com>
670 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
671 void *' warning from -Wc++-compat.
672 * Makefile.in (dominance.o-warn): Remove.
674 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
676 PR tree-optimization/38932
677 * fold-const.c (fold_unary_ignore_overflow): New.
678 * tree.h (fold_unary_ignore_overflow): Declare.
679 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
680 * tree-ssa-sccvn.c (visit_reference_op_load,
681 simplify_unary_expression): Likewise.
683 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
685 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
686 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
687 regardless of their type.
688 * c-common.c (handle_packed_attribute): Don't ignore packed on
690 * c.opt (Wpacked-bitfield-compat): New warning option.
691 * stor-layout.c (place_field): Warn if offset of a field changed.
692 * doc/extend.texi (packed): Mention the ABI change.
693 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
694 (Warning Options): Add it to the list.
696 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
698 * c-opts.c (c_common_post_options): Fix a typo in comments.
700 2009-01-22 Steve Ellcey <sje@cup.hp.com>
703 * gimplify.c (gimplify_init_constructor): Fix promotion of const
705 * doc/invoke.texi (-fmerge-all-constants): Update description.
707 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
710 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
711 (*movdi_1_rex64): Use type "mmx" for alternative 5.
713 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
715 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
717 (LOCAL_ALIGNMENT): Similarly.
719 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
720 Joseph Myers <joseph@codesourcery.com>
722 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
723 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
724 * config/arm/arm-tune.md: Regenerate.
725 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
728 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
730 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
731 version number to five.
733 2009-01-22 Dodji Seketeli <dodji@redhat.com>
736 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
737 * c-common.c (set_underlying_type): Likewise.
738 (is_typedef_decl ): Likewise
740 (set_underlying_type): Likewise.
741 (is_typedef_type): Likewise.
743 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
746 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
749 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
752 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
753 (LIBGCC_SPEC): Don't define.
754 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
756 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
758 PR rtl-optimization/38879
759 * alias.c (base_alias_check): Unaligned access via AND address can
760 alias all surrounding object types except those with sizes equal
761 or wider than the size of unaligned access.
763 2009-01-21 Dodji Seketeli <dodji@redhat.com>
766 * c-decl.c: (clone_underlying_type): Move this ...
767 * c-common.c (set_underlying_type): ... here.
768 Also, make sure the function properly sets TYPE_STUB_DECL() on
769 the newly created typedef variant type.
770 (is_typedef_decl ): New entry point.
771 * tree.h: Added a new member member_types_needing_access_check to
772 struct tree_decl_non_common.
773 (set_underlying_type): New entry point.
774 (is_typedef_type): Likewise.
776 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
778 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
779 Check whether two instructions have memory references that
780 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
781 are helper functions for traversing.
782 * alias.h (insn_alias_sets_confilict_p): New prototypes.
783 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
784 not to draw dependency edge for instructions with non-conflicting
787 2009-01-20 Joseph Myers <joseph@codesourcery.com>
790 * longlong.h: Update copyright years. Use soft-fp license
791 notice. Sync __clz_tab declaration with glibc.
793 2009-01-20 Steve Ellcey <sje@cup.hp.com>
796 * doc/extend.texi (syscall_linkage): New.
797 (version_id): Modify.
799 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
800 Richard Guenther <rguenther@suse.de>
802 PR tree-optimization/38747
803 PR tree-optimization/38748
804 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
805 conversion if the base address is an indirect reference and the
806 aliasing sets could cause issues.
808 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
810 * common.opt (fgraphite, fgraphite-identity): Add comment for
811 explaining why these options are not documented.
813 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
815 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
816 gimple_call_lhs is NULL.
818 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
821 * emit-rtl.c (adjust_address_1): Make sure memref is never
824 2009-01-20 Ben Elliston <bje@au.ibm.com>
826 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
827 const qualifier from arg parameter. Remove unnecessary cast to char *.
828 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
829 const qualifier from arg 2.
831 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
833 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
835 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
838 * rtl.h (reinit_regs): New prototype.
839 * regclass.c: Include ira.h.
841 * Makefile.in (regclass.o): Add ira.h.
842 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
844 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
847 * c-common.c (handle_aligned_attribute): Use
848 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
849 default alignment value.
851 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
853 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
854 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
856 * doc/extend.texi: Update __attribute__ ((aligned)). Document
857 __BIGGEST_ALIGNMENT__.
859 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
861 2009-01-18 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/38819
864 * tree-flow.h (operation_could_trap_helper_p): Declare.
865 * tree-eh.c (operation_could_trap_helper_p): Export.
866 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
867 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
868 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
869 are about to insert a possibly trapping instruction and fail
872 2009-01-18 Andreas Schwab <schwab@suse.de>
874 * doc/install.texi (Configuration): Remove obsolete paragraph
875 about use of --with-gnu-ld with --with-gnu-as.
877 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
879 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
880 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
881 Follow spelling conventions.
883 2009-01-18 Ben Elliston <bje@au.ibm.com>
885 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
886 C++ warning about implicit conversion from void * to struct
888 (bitmap_obstack_free): Likewise for bitmap_element *.
889 * Makefile.in (bitmap.o-warn): Remove.
891 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
893 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
895 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
896 Tobias Grosser <tobi.grosser@amd.com>
898 * graphite.c (graphite_trans_scop_block): Do not block single
901 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
903 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
904 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
907 2009-01-16 Richard Guenther <rguenther@suse.de>
909 PR tree-optimization/38835
911 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
912 and INT + PTR -> (INT)(PTR p+ INT) folding.
913 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
915 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
918 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
919 the subreg from a lowpart subreg if it is also casting the value.
921 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
922 Tobias Grosser <tobi.grosser@amd.com>
924 * graphite.c (compare_prefix_loops): New.
925 (build_scop_canonical_schedules): Rewritten.
926 (graphite_transform_loops): Move build_scop_canonical_schedules
927 after build_scop_iteration_domain.
929 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
930 Tobias Grosser <tobi.grosser@amd.com>
932 * graphite.c (add_conditions_to_domain): Add the loops to
933 the dimension of the iteration domain. Do copy the domain
935 (build_scop_conditions_1): Do not call add_conditions_to_domain.
936 (add_conditions_to_constraints): New.
937 (can_generate_code_stmt, can_generate_code): Removed.
938 (gloog): Do not call can_generate_code.
939 (graphite_transform_loops): Call add_conditions_to_constraints
940 after building the iteration domain.
942 2009-01-16 Jakub Jelinek <jakub@redhat.com>
944 PR tree-optimization/38789
945 * tree-ssa-threadedge.c
946 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
947 __builtin_constant_p.
949 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
951 * dce.c (delete_unmarked_insns): Reversed the order that insns are
952 examined before deleting them.
954 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
956 * function.c (aggregate_value_p): Correctly extract the function
957 type from CALL_EXPR_FN lookup.
959 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
961 * config/picochip/picochip.c (picochip_override_options): Revert
962 CFI asm flag disable commited previously.
964 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
965 Tobias Grosser <tobi.grosser@amd.com>
966 Jan Sjodin <jan.sjodin@amd.com>
968 * graphite.c (scan_tree_for_params): On substractions negate
969 all the coefficients of the term.
970 (clast_to_gcc_expression_red): New. Handle reduction expressions
971 of more than two operands.
972 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
973 (get_vdef_before_scop): Handle also the case of default definitions.
975 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
977 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
978 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
979 Also use them when walking CALL_INSN_FUNCTION_USAGE.
981 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
982 Joey Ye <joey.ye@intel.com>
985 * cfgexpand.c (expand_stack_alignment): Don't update stack
986 boundary nor check incoming stack boundary here.
987 (gimple_expand_cfg): Update stack boundary and check incoming
990 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
992 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
994 2009-01-14 Jakub Jelinek <jakub@redhat.com>
996 PR rtl-optimization/38245
997 * calls.c (expand_call): Add stack arguments to
998 CALL_INSN_FUNCTION_USAGE even for pure calls (when
999 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1000 in regs and partially in memory or BLKmode arguments.
1001 (emit_library_call_value_1): Add stack arguments to
1002 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1003 ACCUMULATE_OUTGOING_ARGS).
1004 * dce.c: Include tm_p.h.
1005 (find_call_stack_args): New function.
1006 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1008 (mark_insn): Call find_call_stack_args for CALL_Ps.
1009 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1010 forwards. Allocate and free arg_stores bitmap if needed, pass it
1011 down to deletable_insn_p, don't mark stores set in arg_stores
1012 bitmap, clear the bitmap at the beginning of each bb.
1013 * Makefile.in (dce.o): Depend on $(TM_P_H).
1015 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1018 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1019 to make sure the insn is a conditional test (bug 22599). Reformat a
1022 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1025 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1026 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1027 (gloog): Do not call cleanup_tree_cfg.
1028 (graphite_transform_loops): Call cleanup_tree_cfg after all
1029 scops have been code generated.
1031 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1032 * doc/gty.texi (Invoking the garbage collector): Added new node
1033 and section documenting ggc_collect.
1035 2009-01-14 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/38826
1039 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1040 initialization notes only if we actually emitted a warning.
1041 (intra_create_variable_infos): Add constraints for a result decl
1042 that is passed by hidden reference.
1043 (build_pred_graph): Mark all related variables non-direct on
1046 2009-01-14 Nick Clifton <nickc@redhat.com>
1048 * ira-conflicts.c: Include addresses.h for the definition of
1050 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1051 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1053 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1056 * Makefile.in (ira-lives.o): Add except.h.
1058 * ira-lives.c: Include except.h.
1059 (process_bb_node_lives): Process can_throw_internal.
1061 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1063 PR rtl-optimization/38774
1064 * combine.c (simplify_set): When undoing cc_use change, don't do
1065 PUT_CODE on the newly created comparison, but instead put back the
1068 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1070 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1071 values. Remove duplicate arm8 entry.
1073 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1075 PR tree-optimization/38786
1076 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1077 the SSA_NAME case of expand_scalar_variables_expr.
1078 Set the type of an expression to the type of its assign statement.
1079 (expand_scalar_variables_expr): Also gather the scalar computation
1080 used to index the memory access. Do not pass loop_p.
1081 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1082 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1083 the gimple_stmt_iterator where it inserts new code.
1085 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1086 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1088 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1090 * graphite.h (debug_value): Removed.
1091 * graphite.c (debug_value): Removed.
1093 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1095 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1096 ldrd/strd with two 32-bit instructions.
1098 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1100 * config/arm/arm.c (struct processors): Pass for speed down into
1101 cost helper functions.
1102 (const_ok_for_op): Handle COMPARE and inequality nodes.
1103 (arm_rtx_costs_1): Rewrite.
1104 (arm_size_rtx_costs): Update prototype.
1105 (arm_rtx_costs): Pass speed down to helper functions.
1106 (arm_slowmul_rtx_costs): Rework cost calculations.
1107 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1108 (arm_9e_rtx_costs): Likewise.
1110 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1112 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1113 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1114 (alpha_legitimize_address): Do not split local symbols wider than
1115 UNITS_PER_WORD into HIGH/LO_SUM parts.
1117 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1120 * gcc.c (process_command): Replace call to execvp with calls
1121 to pex_one and exit.
1123 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1126 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1127 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1128 variant for devices with 3-byte PC.
1129 (__tablejump_elpm__) : New.
1131 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1134 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1135 offsetof member-designator, handle it as `[0].'.
1137 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1139 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1140 function when not using named sections on targets with named sections
1141 if branch distance is less than 262132.
1143 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1145 * combine.c (combine_instructions): Recompute
1146 optimize_this_for_speed_p for each BB in the main combine loop.
1148 2009-01-12 Tomas Bily <tbily@suse.cz>
1151 * tree-loop-distribution.c (prop_phis): New function.
1152 (generate_builtin): Call prop_phis.
1153 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1155 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1157 PR tree-optimization/38807
1158 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1159 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1161 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1163 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1164 subreg of op0 to the original op0.
1166 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1168 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1170 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1173 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1174 starting with digits.
1176 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1179 * config/arm/arm.c (arm_is_long_call_p): Don't call
1180 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1182 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1184 * regrename.c (regrename_optimize): Fix dumping.
1185 (find_oldest_value_reg): Preserve REG_POINTER.
1186 (copy_hardreg_forward_1): Likewise.
1188 2009-01-09 Diego Novillo <dnovillo@google.com>
1190 * gimple.h (struct gimple_statement_base) <uid>: Document
1191 the restrictions on its use.
1193 (gimple_set_uid): Tidy.
1195 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1197 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1198 zero guard even if align_bytes != 0 and count is smaller than
1201 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1203 PR rtl-optimization/38495
1204 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1205 (add_range_and_copies_from_move_list): Print all added ranges.
1206 Add ranges to memory optimized destination.
1208 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1212 * config/i386/i386.c (override_options): Reject
1213 -mstringop-strategy=rep_8byte with -m32.
1214 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1215 to 1. Do count comparison against epilogue_size_needed at compile
1216 time even when count_exp was constant forced into register. For
1217 size_needed don't jump to epilogue, instead just avoid aligning
1218 and invoke the body algorithm. If need_zero_guard, add zero guard
1219 even if count is non-zero, but smaller than size_needed + number of
1220 bytes that could be stored for alignment.
1221 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1222 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1223 but smaller than size_needed + number of bytes that could be stored
1224 for alignment. Compare size_needed with epilogue_size_needed instead
1225 of desired_align - align, don't adjust size_needed, pass
1226 epilogue_size_needed to the epilogue expanders.
1229 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1231 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1233 * pa.c (last_address): Change to unsigned.
1234 (update_total_code_bytes): Change argument to unsigned. Don't
1235 check if insn addresses are set.
1236 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1237 addresses are not set.
1238 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1240 2009-01-09 Nick Clifton <nickc@redhat.com>
1242 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1243 DECL_DECLARED_INLINE_P.
1245 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1248 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1249 GET_MODE (op0) in operand_subword_force calls.
1252 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1253 fold_convert arg0 operands to TREE_TYPE (op0) first.
1255 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1257 * params.def (ira-max-conflict-table-size): Decrease default value
1260 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1262 PR tree-optimization/37031
1263 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1265 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1266 allocate it using gc instead of heap, use VEC_quick_push instead of
1268 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1269 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1270 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1271 allocated vector from heap allocated.
1272 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1273 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1274 vector only after perfect_loop_nest_depth call.
1276 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1277 Jan Sjodin <jan.sjodin@amd.com>
1279 PR tree-optimization/38559
1280 * graphite.c (debug_value, copy_constraint,
1281 swap_constraint_variables, scale_constraint_variable, ): New.
1282 (get_lower_bound, get_upper_bound): Removed.
1283 (graphite_trans_bb_strip_mine): Clean up this code that works
1284 only for constant number of iterations. Fully copy upper and
1285 lower bound constraints, not only the constant part of them.
1286 * graphite.h (debug_value): Declared.
1288 2009-01-08 Ira Rosen <irar@il.ibm.com>
1290 PR tree-optimization/37194
1291 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1292 Don't add the cost of cost model guard in prologue to scalar
1293 outside cost in case of known number of iterations.
1295 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1296 Alan Modra <amodra@bigpond.net.au>
1298 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1299 non-word-aligned REG+CONST addressing.
1301 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1304 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1305 free_after_compilation when outputting a thunk.
1306 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1307 Do not call free_after_compilation here.
1309 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1311 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1312 (ix86_valid_target_attribute_inner_p): Ditto.
1314 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1316 PR tree-optimization/38492
1317 PR tree-optimization/38498
1318 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1319 * tree-chrec.h (scev_is_linear_expression): Declared.
1320 * graphite.c (graphite_cannot_represent_loop_niter): New.
1321 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1322 (graphite_loop_normal_form): Use gcc_assert.
1323 (scan_tree_for_params): Use CASE_CONVERT.
1324 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1325 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1326 Use gcc_assert. Discard scops that contain unhandled cases.
1327 (build_scop_conditions): Return a boolean status for unhandled cases.
1328 (strip_mine_profitable_p): Print the loop number, not its depth.
1329 (is_interchange_valid): Pass the depth of the loop nest, don't
1330 recompute it wrongly.
1331 (graphite_trans_bb_block): Same.
1332 (graphite_trans_bb_block): Print tentative of loop blocking.
1333 (graphite_trans_scop_block): Do not print that the loop has been
1335 (graphite_transform_loops): Do not handle scops that contain condition
1338 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1340 AVX Programming Reference (December, 2008)
1341 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1342 (_mm256_stream_pd): Likewise.
1343 (_mm256_stream_ps): Likewise.
1345 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1346 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1347 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1348 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1349 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1350 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1351 (ix86_expand_special_args_builtin): Likewise.
1353 * config/i386/sse.md (AVXMODEDI): New.
1354 (avx_movnt<mode>): Likewise.
1355 (avx_movnt<mode>): Likewise.
1356 (<sse>_movnt<mode>): Remove AVX support.
1357 (sse2_movntv2di): Likewise.
1359 2009-01-07 Richard Guenther <rguenther@suse.de>
1362 * fold-const.c (extract_muldiv): Remove obsolete comment.
1363 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1364 to PLUS_EXPR canonicalization for the canonicalization.
1366 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1368 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1369 hosted cross-compilers generating less efficient code.
1371 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1373 * function.h (rtl_data): Add a dbr_scheduled_p field.
1374 * reorg.c (dbr_schedule): Set it.
1375 (gate_handle_delay_slots): Check it.
1376 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1377 (mips_reorg): Check flag_delayed_branch instead of
1378 mips_base_delayed_branch.
1379 (mips_override_options): Don't set mips_base_delayed_branch
1380 or flag_delayed_branch.
1382 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1384 PR rtl-optimization/38426.
1385 * ira.c (ira): Set current_function_is_leaf earlier.
1387 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1389 PR rtl-optimization/38722
1390 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1391 too early, only set a flag and modify after last possible
1394 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1397 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1398 * real.c (decimal_single_format): Correct values of emin and emax.
1399 (decimal_double_format): Ditto.
1400 (decimal_quad_format): Ditto.
1401 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1402 computation of DECnn_MIN and DECnn_MAX for corrected values of
1403 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1404 __DECnn_MIN__, and adjust its computation for the corrected value
1407 2009-01-06 Jan Hubicka <jh@suse.cz>
1410 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1412 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1414 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1415 Add Robert Clark to the list of testers.
1417 2009-01-06 Jan Hubicka <jh@suse.cz>
1418 Kai Tietz <kai.tietz@onevision.com>
1420 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1421 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1423 2009-01-06 Jan Hubicka <jh@suse.cz>
1424 Kai Tietz <kai.tietz@onevision.com>
1426 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1428 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1429 (ix86_nsaved_regs): Count only general purpose regs.
1430 (ix86_nsaved_sseregs): New.
1431 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1432 to 16 for w64; compute padding and size of sse reg save area.
1433 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1434 general purpose regs.
1435 (ix86_emit_save_sse_regs_using_mov): New.
1436 (ix86_expand_prologue): Save SSE regs if needed.
1437 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1438 (ix86_emit_restore_sse_regs_using_mov): New.
1439 (ix86_expand_epilogue): Save SSE regs if needed.
1441 2009-01-06 Jan Hubicka <jh@suse.cz>
1442 Kai Tietz <kai.tietz@onevision.com>
1444 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1445 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1446 functions when accumulate outgoing args is off.
1448 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1451 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1452 before using pseudos_have_intersected_live_ranges_p.
1454 * ira-int.h (ira_assert): Always define.
1456 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1458 AVX Programming Reference (December, 2008)
1459 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1460 (_mm256_permute2_pd): Likewise.
1461 (_mm_permute2_ps): Likewise.
1462 (_mm256_permute2_ps): Likewise.
1463 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1464 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1466 * config/i386/i386.c (ix86_builtins): Remove
1467 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1468 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1469 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1470 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1471 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1472 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1473 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1474 __builtin_ia32_vpermil2ps256.
1475 (ix86_init_mmx_sse_builtins): Updated.
1476 (ix86_expand_args_builtin): Likewise.
1478 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1480 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1481 long absolute calls when generating PA 2.0 code.
1483 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1485 PR rtl-optimization/38583
1486 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1488 * params.def (ira-max-conflict-table-size): New.
1490 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1492 * ira.h (ira_conflicts_p): New external definition.
1494 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1495 table. Report this. Return result of building.
1496 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1497 building conflict table.
1499 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1500 (ira_color): Use ira_conflicts_p.
1502 * global.c: Include ira.h.
1503 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1506 * Makefile.in (global.o): Add ira.h.
1508 * ira-build.c (mark_all_loops_for_removal,
1509 propagate_some_info_from_allocno): New.
1510 (remove_unnecessary_allocnos): Call
1511 propagate_some_info_from_allocno.
1512 (remove_low_level_allocnos): New.
1513 (remove_unnecessary_regions): Add parameter. Call
1514 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1515 parameter to remove_unnecessary_regions.
1516 (ira_build): Remove all regions but root if the conflict table was
1517 not built. Update conflict hard regs for allocnos crossing calls.
1519 * ira.c (ira_conflicts_p): New global.
1520 (ira): Define and use ira_conflicts_p.
1522 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1523 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1524 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1526 2009-01-06 Ben Elliston <bje@au.ibm.com>
1528 * gengtype-lex.l (YY_NO_INPUT): Define.
1530 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1533 * c-common.c (handle_vector_size_attribute): Also reject
1536 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1538 PR tree-optimization/38492
1539 * graphite.c (rename_map_elt, debug_rename_elt,
1540 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1541 rename_map_elt_info, eq_rename_map_elts,
1542 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1543 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1544 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1545 (sese_build_livein_liveouts): New.
1546 (new_sese, free_sese): New.
1547 (new_scop): Call new_sese.
1548 (free_scop): Call free_sese.
1549 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1550 (register_old_new_names): Renamed register_old_and_new_names.
1551 (register_scop_liveout_renames, add_loop_exit_phis,
1552 insert_loop_close_phis, struct igp,
1553 default_liveout_before_guard, add_guard_exit_phis,
1554 insert_guard_phis, copy_renames): New.
1555 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1556 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1557 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1558 (scop_adjust_phis_for_liveouts): New.
1559 (gloog): Call scop_adjust_phis_for_liveouts.
1561 * graphite.h (struct sese): Documented. Added fields liveout,
1563 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1564 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1565 (struct scop): Added field liveout_renames.
1566 (SCOP_LIVEOUT_RENAMES): New.
1568 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1570 PR tree-optimization/38510
1571 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1572 (translate_clast): Call recompute_all_dominators before
1574 (gloog): Call recompute_all_dominators before graphite_verify.
1576 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1577 Jan Sjodin <jan.sjodin@amd.com>
1579 PR tree-optimization/38500
1580 * graphite.c (create_sese_edges): Call fix_loop_structure after
1583 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1585 * config.gcc: Add m32r*-*-rtems*.
1586 * config/m32r/rtems.h: New file.
1588 2009-01-05 Ben Elliston <bje@au.ibm.com>
1590 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1591 (.po.pox): Likewise.
1592 (po/gcc.pot): Likewise.
1594 2009-01-04 David S. Miller <davem@davemloft.net>
1596 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1597 (STARTING_FRAME_OFFSET): Always set to zero.
1599 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1601 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1602 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1603 fixed-point types, and vectors of the same.
1605 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1607 * config/mips/sync.md (*mb_barrier): Rename to...
1608 (*memory_barrier): ...this.
1610 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1612 * doc/extend.texi (Function Attributes): Move @cindex after @item
1613 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1614 and put in alphabetical order. Fix 'target' name and put in order.
1615 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1618 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1620 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1621 (memory_barrier): Expand as unspec instead of unspec_volatile.
1622 Remove mem:BLK from insn operands. Use Pmode scratch register.
1623 (*memory_barrier): Define as unspec instead of unspec_volatile.
1624 Use (match_dup 0) as input operand.
1626 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1627 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1628 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1629 scratch register. Remove operand 1.
1630 (*stbar): Define as unspec instead of unspec_volatile.
1631 Use (match_dup 0) as input operand, remove (const_int 8).
1632 (*membar): Define as unspec instead of unspec_volatile.
1633 Use (match_dup 0) as input operand, remove input operand 2.
1635 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1636 (memory_barrier): Expand as unspec instead of unspec_volatile.
1637 Remove mem:BLK from insn operands. Use Pmode scratch register.
1638 (*memory_barrier): Define as unspec instead of unspec_volatile.
1639 Use (match_dup 0) as input operand.
1641 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1642 Remove mem:BLK from insn operands. Use Pmode scratch register.
1643 Set volatile flag on operand 0.
1644 (*memory_barrier): New insn pattern.
1646 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1648 (*memory_barrier): Use (match_dup 0) as input operand.
1650 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1651 Remove mem:BLK from insn operands. Use Pmode scratch register.
1652 Set volatile flag on operand 0.
1653 (*mb_internal): New insn pattern.
1655 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1657 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1660 * function.c (struct temp_slot): Move to the section of the file
1661 that deals with temp slots. Remove field 'address'.
1662 (temp_slot_address_table): New hash table of address -> temp slot.
1663 (struct temp_slot_address_entry): New struct, items for the table.
1664 (temp_slot_address_compute_hash, temp_slot_address_hash,
1665 temp_slot_address_eq, insert_temp_slot_address): Support functions
1667 (find_temp_slot_from_address): Rewrite to use the new hash table.
1668 (remove_unused_temp_slot_addresses): Remove addresses of temp
1669 slots that have been made available.
1670 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1671 worker function for remove_unused_temp_slot_addresses.
1672 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1673 Add the temp slot address to the address -> temp slot map.
1674 (update_temp_slot_address): Update via insert_temp_slot_address.
1675 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1676 (pop_temp_slots): Likewise.
1677 (init_temp_slots): Allocate the address -> temp slot map, or empty
1678 the map if it is already allocated.
1679 (prepare_function_start): Initialize temp slot processing.
1681 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1684 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1685 Calculate the size of all stack vars assuming no packing of stack
1686 vars will happen, replacing a quadratic algorithm with a linear one.
1688 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1691 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1694 2009-01-03 Diego Novillo <dnovillo@google.com>
1696 * doc/contrib.texi: Update contributions.
1698 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1701 * builtins.c (fold_builtin_memory_op): Give up if either operand
1702 is volatile. Set srctype or desttype to non-qualified version
1706 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1709 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1711 PR rtl-optimization/35805
1712 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1713 problem if fast dce is able to remove any instructions.
1714 * dce.c (dce_process_block): Fix dump message.
1716 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1719 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1721 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1724 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1725 * tree-pretty-print.c (op_code_prio): New function.
1726 (op_prio): No longer static. Use op_code_prio.
1727 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1728 Use op_prio and op_code_prio to determine if () should be
1729 printed around operand(s) or not.
1731 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1732 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1733 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1734 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1735 pp_character instead of pp_string for single letter printing.
1737 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1739 * doc/extend.texi: Fix '#pragma GCC option' typo.
1741 2009-01-02 Richard Guenther <rguenther@suse.de>
1743 * doc/install.texi (--enable-checking): Mention different
1745 (--enable-stage1-checking): Document.
1747 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1750 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1751 case to be an error.
1753 2009-01-02 Ben Elliston <bje@au.ibm.com>
1755 * config/fp-bit.h (pack_d): Constify argument.
1756 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1757 (isnan): Constify argument.
1761 (_fpadd_parts): Constify return type.
1762 (_fpmul_parts): Likewise.
1763 (_fpdiv_parts): Likewise.
1765 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1768 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1769 warn about overwriting initializer with side-effects or
1770 -Woverride-init if !IMPLICIT.
1771 (output_init_element): Likewise. Pass IMPLICIT down to
1773 (process_init_element): Add IMPLICIT argument. Pass it down
1774 to output_init_element.
1775 (push_init_element, pop_init_level, set_designator): Adjust
1776 process_init_element callers.
1777 (set_nonincremental_init, set_nonincremental_init_from_string):
1778 Adjust add_pending_init callers.
1779 (output_pending_init_elements): Adjust output_init_element callers.
1780 * c-tree.h (process_init_element): Adjust prototype.
1781 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1782 process_init_element callers.