1 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.md (bswap<mode>2): New pattern added.
5 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
7 * config/s390/s390.md (*tls_load_31): Added type attribute.
9 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
11 * config/s390/s390.md: Fix a few comments.
13 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
15 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
16 (*tm<mode>_full): Fixed z10prop attribute.
17 (*tst<mode>_extimm): Fixed z10prop attribute.
18 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
19 (*tstqiCCT_cconly): Fixed z10prop attribute.
20 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
21 (*movsi_larl): Fixed z10prop attribute.
22 (*movsi_zarch): Fixed z10prop attribute.
23 (*movsi_eas): Fixed z10prop attribute.
24 (*movhi): Fixed z10prop attribute.
25 (*movqi): Fixed z10prop attribute.
26 (*movstrictqi): Fixed z10prop attribute.
27 (*mov<mode>): Fixed z10prop attribute.
28 (*movcc): Fixed z10prop attribute.
29 (*sethighpartdi_64): Fixed z10prop attribute.
30 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
31 (*negdi2_sign_cc): Fixed z10prop attribute.
32 (*negdi2_sign): Fixed z10prop attribute.
33 (*absdi2_sign_cc): Fixed z10prop attribute.
34 (*absdi2_sign): Fixed z10prop attribute.
35 (*negabsdi2_sign_cc): Fixed z10prop attribute.
36 (*negabsdi2_sign): Fixed z10prop attribute.
37 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
38 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
39 (doloop_si64): Fixed z10prop attribute.
40 (doloop_si31): Fixed z10prop attribute.
41 (doloop_long): Fixed z10prop attribute.
42 (indirect_jump): Fixed z10prop attribute.
43 (nop): Fixed z10prop attribute.
44 (main_base_64): Fixed z10prop attribute.
45 (reload_base_64): Fixed z10prop attribute.
47 2009-01-28 Jakub Jelinek <jakub@redhat.com>
49 PR rtl-optimization/38740
50 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
52 * config/mips/mips.c (mips_reorg): Likewise.
54 2009-01-28 Richard Guenther <rguenther@suse.de>
56 PR tree-optimization/38926
57 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
58 with the correct value id to a value.
59 (do_regular_insertion): Use the value number of edoubleprime
60 for the value number of the expr.
63 2008-08-21 Richard Guenther <rguenther@suse.de>
65 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
66 a PHI ask VN if it is already available.
67 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
68 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
70 2009-01-28 Jakub Jelinek <jakub@redhat.com>
73 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
74 set to varying whenever max has TREE_OVERFLOW set, similarly
75 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
77 2009-01-28 Richard Guenther <rguenther@suse.de>
80 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
81 uninitialized aggregate uses in call arguments.
83 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
85 PR tree-optimization/38984
86 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
87 the nothing_id variable if -fno-delete-null-pointer-checks.
89 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
92 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
93 (set_got_offset_rex64): Ditto.
95 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
98 * doc/extend.texi: Improve local variable with asm reg.
100 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
102 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
103 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
104 was not supplied then set warn_packed_bitfield_compat to the
106 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
109 2009-01-27 Richard Guenther <rguenther@suse.de>
111 PR tree-optimization/38503
112 * cfgexpand.c (expand_gimple_basic_block): Ignore
113 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
114 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
115 variables that cannot have TBAA applied.
116 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
119 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
122 * calls.c (initialize_argument_information): Do not wrap complex
123 arguments in SAVE_EXPR.
125 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
127 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
128 (INSTALL_LIBGCC): Revert typo commit.
130 2009-01-26 Richard Guenther <rguenther@suse.de>
132 PR tree-optimization/38745
133 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
134 from special handling.
136 2009-01-26 Richard Guenther <rguenther@suse.de>
138 PR tree-optimization/38745
139 * tree-ssa.c (execute_update_addresses_taken): Do not include
140 variables that cannot possibly be a register in not_reg_needs.
141 Do not clear TREE_ADDRESSABLE on vars that may not become
143 * tree-ssa.c (update_alias_info_1): Include those in the set
146 2009-01-26 Richard Guenther <rguenther@suse.de>
149 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
150 * tree-ssa-dse.c: Include langhooks.h
151 (execute_simple_dse): Remove stores with zero size.
153 2009-01-24 Jakub Jelinek <jakub@redhat.com>
156 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
159 2009-01-24 Julian Brown <julian@codesourcery.com>
161 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
162 config/arm/linux-atomic.c.
163 * config/arm/linux-atomic.c: New.
165 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
167 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
168 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
169 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
171 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
174 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
177 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
179 PR tree-optimization/38953
180 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
181 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
182 (gloog): Split the exit of the scop when the scop exit is a loop exit.
183 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
186 2009-01-24 Paul Brook <paul@codesourcery.com>
188 * config/arm/neon.md (neon_type): Move to arm.md.
189 (neon_mov<VSTRUCT>): Add neon_type attribute.
190 * config/arm/arm.md (neon_type): Move to here.
191 (conds): Add "unconditioal" and use as default for NEON insns.
193 2009-01-24 Ben Elliston <bje@au.ibm.com>
195 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
196 void *' warning from -Wc++-compat.
197 * Makefile.in (dominance.o-warn): Remove.
199 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
201 PR tree-optimization/38932
202 * fold-const.c (fold_unary_ignore_overflow): New.
203 * tree.h (fold_unary_ignore_overflow): Declare.
204 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
205 * tree-ssa-sccvn.c (visit_reference_op_load,
206 simplify_unary_expression): Likewise.
208 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
210 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
211 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
212 regardless of their type.
213 * c-common.c (handle_packed_attribute): Don't ignore packed on
215 * c.opt (Wpacked-bitfield-compat): New warning option.
216 * stor-layout.c (place_field): Warn if offset of a field changed.
217 * doc/extend.texi (packed): Mention the ABI change.
218 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
219 (Warning Options): Add it to the list.
221 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
223 * c-opts.c (c_common_post_options): Fix a typo in comments.
225 2009-01-22 Steve Ellcey <sje@cup.hp.com>
228 * gimplify.c (gimplify_init_constructor): Fix promotion of const
230 * doc/invoke.texi (-fmerge-all-constants): Update description.
232 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
235 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
236 (*movdi_1_rex64): Use type "mmx" for alternative 5.
238 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
240 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
242 (LOCAL_ALIGNMENT): Similarly.
244 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
245 Joseph Myers <joseph@codesourcery.com>
247 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
248 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
249 * config/arm/arm-tune.md: Regenerate.
250 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
253 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
255 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
256 version number to five.
258 2009-01-22 Dodji Seketeli <dodji@redhat.com>
261 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
262 * c-common.c (set_underlying_type): Likewise.
263 (is_typedef_decl ): Likewise
265 (set_underlying_type): Likewise.
266 (is_typedef_type): Likewise.
268 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
271 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
274 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
277 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
278 (LIBGCC_SPEC): Don't define.
279 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
281 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
283 PR rtl-optimization/38879
284 * alias.c (base_alias_check): Unaligned access via AND address can
285 alias all surrounding object types except those with sizes equal
286 or wider than the size of unaligned access.
288 2009-01-21 Dodji Seketeli <dodji@redhat.com>
291 * c-decl.c: (clone_underlying_type): Move this ...
292 * c-common.c (set_underlying_type): ... here.
293 Also, make sure the function properly sets TYPE_STUB_DECL() on
294 the newly created typedef variant type.
295 (is_typedef_decl ): New entry point.
296 * tree.h: Added a new member member_types_needing_access_check to
297 struct tree_decl_non_common.
298 (set_underlying_type): New entry point.
299 (is_typedef_type): Likewise.
301 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
303 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
304 Check whether two instructions have memory references that
305 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
306 are helper functions for traversing.
307 * alias.h (insn_alias_sets_confilict_p): New prototypes.
308 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
309 not to draw dependency edge for instructions with non-conflicting
312 2009-01-20 Joseph Myers <joseph@codesourcery.com>
315 * longlong.h: Update copyright years. Use soft-fp license
316 notice. Sync __clz_tab declaration with glibc.
318 2009-01-20 Steve Ellcey <sje@cup.hp.com>
321 * doc/extend.texi (syscall_linkage): New.
322 (version_id): Modify.
324 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
325 Richard Guenther <rguenther@suse.de>
327 PR tree-optimization/38747
328 PR tree-optimization/38748
329 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
330 conversion if the base address is an indirect reference and the
331 aliasing sets could cause issues.
333 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
335 * common.opt (fgraphite, fgraphite-identity): Add comment for
336 explaining why these options are not documented.
338 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
340 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
341 gimple_call_lhs is NULL.
343 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
346 * emit-rtl.c (adjust_address_1): Make sure memref is never
349 2009-01-20 Ben Elliston <bje@au.ibm.com>
351 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
352 const qualifier from arg parameter. Remove unnecessary cast to char *.
353 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
354 const qualifier from arg 2.
356 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
358 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
360 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
363 * rtl.h (reinit_regs): New prototype.
364 * regclass.c: Include ira.h.
366 * Makefile.in (regclass.o): Add ira.h.
367 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
369 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
372 * c-common.c (handle_aligned_attribute): Use
373 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
374 default alignment value.
376 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
378 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
379 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
381 * doc/extend.texi: Update __attribute__ ((aligned)). Document
382 __BIGGEST_ALIGNMENT__.
384 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
386 2009-01-18 Richard Guenther <rguenther@suse.de>
388 PR tree-optimization/38819
389 * tree-flow.h (operation_could_trap_helper_p): Declare.
390 * tree-eh.c (operation_could_trap_helper_p): Export.
391 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
392 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
393 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
394 are about to insert a possibly trapping instruction and fail
397 2009-01-18 Andreas Schwab <schwab@suse.de>
399 * doc/install.texi (Configuration): Remove obsolete paragraph
400 about use of --with-gnu-ld with --with-gnu-as.
402 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
404 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
405 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
406 Follow spelling conventions.
408 2009-01-18 Ben Elliston <bje@au.ibm.com>
410 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
411 C++ warning about implicit conversion from void * to struct
413 (bitmap_obstack_free): Likewise for bitmap_element *.
414 * Makefile.in (bitmap.o-warn): Remove.
416 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
418 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
420 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
421 Tobias Grosser <tobi.grosser@amd.com>
423 * graphite.c (graphite_trans_scop_block): Do not block single
426 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
428 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
429 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
432 2009-01-16 Richard Guenther <rguenther@suse.de>
434 PR tree-optimization/38835
436 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
437 and INT + PTR -> (INT)(PTR p+ INT) folding.
438 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
440 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
443 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
444 the subreg from a lowpart subreg if it is also casting the value.
446 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
447 Tobias Grosser <tobi.grosser@amd.com>
449 * graphite.c (compare_prefix_loops): New.
450 (build_scop_canonical_schedules): Rewritten.
451 (graphite_transform_loops): Move build_scop_canonical_schedules
452 after build_scop_iteration_domain.
454 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
455 Tobias Grosser <tobi.grosser@amd.com>
457 * graphite.c (add_conditions_to_domain): Add the loops to
458 the dimension of the iteration domain. Do copy the domain
460 (build_scop_conditions_1): Do not call add_conditions_to_domain.
461 (add_conditions_to_constraints): New.
462 (can_generate_code_stmt, can_generate_code): Removed.
463 (gloog): Do not call can_generate_code.
464 (graphite_transform_loops): Call add_conditions_to_constraints
465 after building the iteration domain.
467 2009-01-16 Jakub Jelinek <jakub@redhat.com>
469 PR tree-optimization/38789
470 * tree-ssa-threadedge.c
471 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
472 __builtin_constant_p.
474 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
476 * dce.c (delete_unmarked_insns): Reversed the order that insns are
477 examined before deleting them.
479 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
481 * function.c (aggregate_value_p): Correctly extract the function
482 type from CALL_EXPR_FN lookup.
484 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
486 * config/picochip/picochip.c (picochip_override_options): Revert
487 CFI asm flag disable commited previously.
489 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
490 Tobias Grosser <tobi.grosser@amd.com>
491 Jan Sjodin <jan.sjodin@amd.com>
493 * graphite.c (scan_tree_for_params): On substractions negate
494 all the coefficients of the term.
495 (clast_to_gcc_expression_red): New. Handle reduction expressions
496 of more than two operands.
497 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
498 (get_vdef_before_scop): Handle also the case of default definitions.
500 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
502 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
503 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
504 Also use them when walking CALL_INSN_FUNCTION_USAGE.
506 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
507 Joey Ye <joey.ye@intel.com>
510 * cfgexpand.c (expand_stack_alignment): Don't update stack
511 boundary nor check incoming stack boundary here.
512 (gimple_expand_cfg): Update stack boundary and check incoming
515 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
517 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
519 2009-01-14 Jakub Jelinek <jakub@redhat.com>
521 PR rtl-optimization/38245
522 * calls.c (expand_call): Add stack arguments to
523 CALL_INSN_FUNCTION_USAGE even for pure calls (when
524 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
525 in regs and partially in memory or BLKmode arguments.
526 (emit_library_call_value_1): Add stack arguments to
527 CALL_INSN_FUNCTION_USAGE even for pure calls (when
528 ACCUMULATE_OUTGOING_ARGS).
529 * dce.c: Include tm_p.h.
530 (find_call_stack_args): New function.
531 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
533 (mark_insn): Call find_call_stack_args for CALL_Ps.
534 (prescan_insns_for_dce): Walk insns backwards in bb rather than
535 forwards. Allocate and free arg_stores bitmap if needed, pass it
536 down to deletable_insn_p, don't mark stores set in arg_stores
537 bitmap, clear the bitmap at the beginning of each bb.
538 * Makefile.in (dce.o): Depend on $(TM_P_H).
540 2009-01-14 Michael Meissner <gnu@the-meissners.org>
543 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
544 to make sure the insn is a conditional test (bug 22599). Reformat a
547 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
550 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
551 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
552 (gloog): Do not call cleanup_tree_cfg.
553 (graphite_transform_loops): Call cleanup_tree_cfg after all
554 scops have been code generated.
556 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
557 * doc/gty.texi (Invoking the garbage collector): Added new node
558 and section documenting ggc_collect.
560 2009-01-14 Richard Guenther <rguenther@suse.de>
562 PR tree-optimization/38826
564 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
565 initialization notes only if we actually emitted a warning.
566 (intra_create_variable_infos): Add constraints for a result decl
567 that is passed by hidden reference.
568 (build_pred_graph): Mark all related variables non-direct on
571 2009-01-14 Nick Clifton <nickc@redhat.com>
573 * ira-conflicts.c: Include addresses.h for the definition of
575 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
576 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
578 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
581 * Makefile.in (ira-lives.o): Add except.h.
583 * ira-lives.c: Include except.h.
584 (process_bb_node_lives): Process can_throw_internal.
586 2009-01-13 Jakub Jelinek <jakub@redhat.com>
588 PR rtl-optimization/38774
589 * combine.c (simplify_set): When undoing cc_use change, don't do
590 PUT_CODE on the newly created comparison, but instead put back the
593 2009-01-13 Joseph Myers <joseph@codesourcery.com>
595 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
596 values. Remove duplicate arm8 entry.
598 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
600 PR tree-optimization/38786
601 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
602 the SSA_NAME case of expand_scalar_variables_expr.
603 Set the type of an expression to the type of its assign statement.
604 (expand_scalar_variables_expr): Also gather the scalar computation
605 used to index the memory access. Do not pass loop_p.
606 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
607 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
608 the gimple_stmt_iterator where it inserts new code.
610 (copy_bb_and_scalar_dependences): Do not pass loop_p.
611 (translate_clast): Update call to copy_bb_and_scalar_dependences.
613 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
615 * graphite.h (debug_value): Removed.
616 * graphite.c (debug_value): Removed.
618 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
620 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
621 ldrd/strd with two 32-bit instructions.
623 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
625 * config/arm/arm.c (struct processors): Pass for speed down into
626 cost helper functions.
627 (const_ok_for_op): Handle COMPARE and inequality nodes.
628 (arm_rtx_costs_1): Rewrite.
629 (arm_size_rtx_costs): Update prototype.
630 (arm_rtx_costs): Pass speed down to helper functions.
631 (arm_slowmul_rtx_costs): Rework cost calculations.
632 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
633 (arm_9e_rtx_costs): Likewise.
635 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
637 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
638 relocations of local symbols wider than UNITS_PER_WORD are not valid.
639 (alpha_legitimize_address): Do not split local symbols wider than
640 UNITS_PER_WORD into HIGH/LO_SUM parts.
642 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
645 * gcc.c (process_command): Replace call to execvp with calls
648 2009-01-03 Anatoly Sokolov <aesok@post.ru>
651 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
652 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
653 variant for devices with 3-byte PC.
654 (__tablejump_elpm__) : New.
656 2009-01-12 Jakub Jelinek <jakub@redhat.com>
659 * c-parser.c (c_parser_postfix_expression): Allow `->' in
660 offsetof member-designator, handle it as `[0].'.
662 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
664 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
665 function when not using named sections on targets with named sections
666 if branch distance is less than 262132.
668 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
670 * combine.c (combine_instructions): Recompute
671 optimize_this_for_speed_p for each BB in the main combine loop.
673 2009-01-12 Tomas Bily <tbily@suse.cz>
676 * tree-loop-distribution.c (prop_phis): New function.
677 (generate_builtin): Call prop_phis.
678 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
680 2009-01-12 Jakub Jelinek <jakub@redhat.com>
682 PR tree-optimization/38807
683 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
684 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
686 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
688 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
689 subreg of op0 to the original op0.
691 2009-01-11 Laurent GUERBY <laurent@guerby.net>
693 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
695 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
698 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
699 starting with digits.
701 2009-01-10 Jakub Jelinek <jakub@redhat.com>
704 * config/arm/arm.c (arm_is_long_call_p): Don't call
705 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
707 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
709 * regrename.c (regrename_optimize): Fix dumping.
710 (find_oldest_value_reg): Preserve REG_POINTER.
711 (copy_hardreg_forward_1): Likewise.
713 2009-01-09 Diego Novillo <dnovillo@google.com>
715 * gimple.h (struct gimple_statement_base)<uid>: Document
716 the restrictions on its use.
718 (gimple_set_uid): Tidy.
720 2009-01-09 Jakub Jelinek <jakub@redhat.com>
722 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
723 zero guard even if align_bytes != 0 and count is smaller than
726 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
728 PR rtl-optimization/38495
729 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
730 (add_range_and_copies_from_move_list): Print all added ranges.
731 Add ranges to memory optimized destination.
733 2009-01-09 Jakub Jelinek <jakub@redhat.com>
737 * config/i386/i386.c (override_options): Reject
738 -mstringop-strategy=rep_8byte with -m32.
739 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
740 to 1. Do count comparison against epilogue_size_needed at compile
741 time even when count_exp was constant forced into register. For
742 size_needed don't jump to epilogue, instead just avoid aligning
743 and invoke the body algorithm. If need_zero_guard, add zero guard
744 even if count is non-zero, but smaller than size_needed + number of
745 bytes that could be stored for alignment.
746 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
747 to 1. If need_zero_guard, add zero guard even if count is non-zero,
748 but smaller than size_needed + number of bytes that could be stored
749 for alignment. Compare size_needed with epilogue_size_needed instead
750 of desired_align - align, don't adjust size_needed, pass
751 epilogue_size_needed to the epilogue expanders.
754 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
756 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
758 * pa.c (last_address): Change to unsigned.
759 (update_total_code_bytes): Change argument to unsigned. Don't
760 check if insn addresses are set.
761 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
762 addresses are not set.
763 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
765 2009-01-09 Nick Clifton <nickc@redhat.com>
767 * config/sh/symbian.c: Replace uses of DECL_INLINE with
768 DECL_DECLARED_INLINE_P.
770 2009-01-09 Jakub Jelinek <jakub@redhat.com>
773 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
774 GET_MODE (op0) in operand_subword_force calls.
777 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
778 fold_convert arg0 operands to TREE_TYPE (op0) first.
780 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
782 * params.def (ira-max-conflict-table-size): Decrease default value
785 2009-01-08 Jakub Jelinek <jakub@redhat.com>
787 PR tree-optimization/37031
788 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
790 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
791 allocate it using gc instead of heap, use VEC_quick_push instead of
793 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
794 instead of heap, use VEC_quick_push instead of VEC_safe_push.
795 * tree-data-ref.h (struct access_matrix): Change matrix to gc
796 allocated vector from heap allocated.
797 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
798 * tree-loop-linear.c (linear_transform_loops): Allocate nest
799 vector only after perfect_loop_nest_depth call.
801 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
802 Jan Sjodin <jan.sjodin@amd.com>
804 PR tree-optimization/38559
805 * graphite.c (debug_value, copy_constraint,
806 swap_constraint_variables, scale_constraint_variable, ): New.
807 (get_lower_bound, get_upper_bound): Removed.
808 (graphite_trans_bb_strip_mine): Clean up this code that works
809 only for constant number of iterations. Fully copy upper and
810 lower bound constraints, not only the constant part of them.
811 * graphite.h (debug_value): Declared.
813 2009-01-08 Ira Rosen <irar@il.ibm.com>
815 PR tree-optimization/37194
816 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
817 Don't add the cost of cost model guard in prologue to scalar
818 outside cost in case of known number of iterations.
820 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
821 Alan Modra <amodra@bigpond.net.au>
823 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
824 non-word-aligned REG+CONST addressing.
826 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
829 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
830 free_after_compilation when outputting a thunk.
831 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
832 Do not call free_after_compilation here.
834 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
836 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
837 (ix86_valid_target_attribute_inner_p): Ditto.
839 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
841 PR tree-optimization/38492
842 PR tree-optimization/38498
843 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
844 * tree-chrec.h (scev_is_linear_expression): Declared.
845 * graphite.c (graphite_cannot_represent_loop_niter): New.
846 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
847 (graphite_loop_normal_form): Use gcc_assert.
848 (scan_tree_for_params): Use CASE_CONVERT.
849 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
850 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
851 Use gcc_assert. Discard scops that contain unhandled cases.
852 (build_scop_conditions): Return a boolean status for unhandled cases.
853 (strip_mine_profitable_p): Print the loop number, not its depth.
854 (is_interchange_valid): Pass the depth of the loop nest, don't
855 recompute it wrongly.
856 (graphite_trans_bb_block): Same.
857 (graphite_trans_bb_block): Print tentative of loop blocking.
858 (graphite_trans_scop_block): Do not print that the loop has been
860 (graphite_transform_loops): Do not handle scops that contain condition
863 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
865 AVX Programming Reference (December, 2008)
866 * config/i386/avxintrin.h (_mm256_stream_si256): New.
867 (_mm256_stream_pd): Likewise.
868 (_mm256_stream_ps): Likewise.
870 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
871 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
872 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
873 (bdesc_special_args): Add __builtin_ia32_movntdq256,
874 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
875 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
876 (ix86_expand_special_args_builtin): Likewise.
878 * config/i386/sse.md (AVXMODEDI): New.
879 (avx_movnt<mode>): Likewise.
880 (avx_movnt<mode>): Likewise.
881 (<sse>_movnt<mode>): Remove AVX support.
882 (sse2_movntv2di): Likewise.
884 2009-01-07 Richard Guenther <rguenther@suse.de>
887 * fold-const.c (extract_muldiv): Remove obsolete comment.
888 (fold_plusminus_mult_expr): Undo MINUS_EXPR
889 to PLUS_EXPR canonicalization for the canonicalization.
891 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
893 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
894 hosted cross-compilers generating less efficient code.
896 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
898 * function.h (rtl_data): Add a dbr_scheduled_p field.
899 * reorg.c (dbr_schedule): Set it.
900 (gate_handle_delay_slots): Check it.
901 * config/mips/mips.c (mips_base_delayed_branch): Delete.
902 (mips_reorg): Check flag_delayed_branch instead of
903 mips_base_delayed_branch.
904 (mips_override_options): Don't set mips_base_delayed_branch
905 or flag_delayed_branch.
907 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
909 PR rtl-optimization/38426.
910 * ira.c (ira): Set current_function_is_leaf earlier.
912 2009-01-06 Jakub Jelinek <jakub@redhat.com>
914 PR rtl-optimization/38722
915 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
916 too early, only set a flag and modify after last possible
919 2009-01-06 Janis Johnson <janis187@us.ibm.com>
922 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
923 * real.c (decimal_single_format): Correct values of emin and emax.
924 (decimal_double_format): Ditto.
925 (decimal_quad_format): Ditto.
926 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
927 computation of DECnn_MIN and DECnn_MAX for corrected values of
928 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
929 __DECnn_MIN__, and adjust its computation for the corrected value
932 2009-01-06 Jan Hubicka <jh@suse.cz>
935 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
937 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
939 * doc/contrib.texi (Contributors): Slightly adjust the end note.
940 Add Robert Clark to the list of testers.
942 2009-01-06 Jan Hubicka <jh@suse.cz>
943 Kai Tietz <kai.tietz@onevision.com>
945 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
946 * config/i386/i386.c (ix86_expand_call): Add clobbers.
948 2009-01-06 Jan Hubicka <jh@suse.cz>
949 Kai Tietz <kai.tietz@onevision.com>
951 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
953 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
954 (ix86_nsaved_regs): Count only general purpose regs.
955 (ix86_nsaved_sseregs): New.
956 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
957 to 16 for w64; compute padding and size of sse reg save area.
958 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
959 general purpose regs.
960 (ix86_emit_save_sse_regs_using_mov): New.
961 (ix86_expand_prologue): Save SSE regs if needed.
962 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
963 (ix86_emit_restore_sse_regs_using_mov): New.
964 (ix86_expand_epilogue): Save SSE regs if needed.
966 2009-01-06 Jan Hubicka <jh@suse.cz>
967 Kai Tietz <kai.tietz@onevision.com>
969 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
970 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
971 functions when accumulate outgoing args is off.
973 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
976 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
977 before using pseudos_have_intersected_live_ranges_p.
979 * ira-int.h (ira_assert): Always define.
981 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
983 AVX Programming Reference (December, 2008)
984 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
985 (_mm256_permute2_pd): Likewise.
986 (_mm_permute2_ps): Likewise.
987 (_mm256_permute2_ps): Likewise.
988 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
989 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
991 * config/i386/i386.c (ix86_builtins): Remove
992 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
993 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
994 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
995 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
996 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
997 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
998 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
999 __builtin_ia32_vpermil2ps256.
1000 (ix86_init_mmx_sse_builtins): Updated.
1001 (ix86_expand_args_builtin): Likewise.
1003 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1005 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1006 long absolute calls when generating PA 2.0 code.
1008 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1010 PR rtl-optimization/38583
1011 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1013 * params.def (ira-max-conflict-table-size): New.
1015 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1017 * ira.h (ira_conflicts_p): New external definition.
1019 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1020 table. Report this. Return result of building.
1021 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1022 building conflict table.
1024 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1025 (ira_color): Use ira_conflicts_p.
1027 * global.c: Include ira.h.
1028 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1031 * Makefile.in (global.o): Add ira.h.
1033 * ira-build.c (mark_all_loops_for_removal,
1034 propagate_some_info_from_allocno): New.
1035 (remove_unnecessary_allocnos): Call
1036 propagate_some_info_from_allocno.
1037 (remove_low_level_allocnos): New.
1038 (remove_unnecessary_regions): Add parameter. Call
1039 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1040 parameter to remove_unnecessary_regions.
1041 (ira_build): Remove all regions but root if the conflict table was
1042 not built. Update conflict hard regs for allocnos crossing calls.
1044 * ira.c (ira_conflicts_p): New global.
1045 (ira): Define and use ira_conflicts_p.
1047 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1048 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1049 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1051 2009-01-06 Ben Elliston <bje@au.ibm.com>
1053 * gengtype-lex.l (YY_NO_INPUT): Define.
1055 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1058 * c-common.c (handle_vector_size_attribute): Also reject
1061 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1063 PR tree-optimization/38492
1064 * graphite.c (rename_map_elt, debug_rename_elt,
1065 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1066 rename_map_elt_info, eq_rename_map_elts,
1067 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1068 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1069 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1070 (sese_build_livein_liveouts): New.
1071 (new_sese, free_sese): New.
1072 (new_scop): Call new_sese.
1073 (free_scop): Call free_sese.
1074 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1075 (register_old_new_names): Renamed register_old_and_new_names.
1076 (register_scop_liveout_renames, add_loop_exit_phis,
1077 insert_loop_close_phis, struct igp,
1078 default_liveout_before_guard, add_guard_exit_phis,
1079 insert_guard_phis, copy_renames): New.
1080 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1081 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1082 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1083 (scop_adjust_phis_for_liveouts): New.
1084 (gloog): Call scop_adjust_phis_for_liveouts.
1086 * graphite.h (struct sese): Documented. Added fields liveout,
1088 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1089 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1090 (struct scop): Added field liveout_renames.
1091 (SCOP_LIVEOUT_RENAMES): New.
1093 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1095 PR tree-optimization/38510
1096 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1097 (translate_clast): Call recompute_all_dominators before
1099 (gloog): Call recompute_all_dominators before graphite_verify.
1101 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1102 Jan Sjodin <jan.sjodin@amd.com>
1104 PR tree-optimization/38500
1105 * graphite.c (create_sese_edges): Call fix_loop_structure after
1108 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1110 * config.gcc: Add m32r*-*-rtems*.
1111 * config/m32r/rtems.h: New file.
1113 2009-01-05 Ben Elliston <bje@au.ibm.com>
1115 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1116 (.po.pox): Likewise.
1117 (po/gcc.pot): Likewise.
1119 2009-01-04 David S. Miller <davem@davemloft.net>
1121 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1122 (STARTING_FRAME_OFFSET): Always set to zero.
1124 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1126 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1127 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1128 fixed-point types, and vectors of the same.
1130 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1132 * config/mips/sync.md (*mb_barrier): Rename to...
1133 (*memory_barrier): ...this.
1135 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1137 * doc/extend.texi (Function Attributes): Move @cindex after @item
1138 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1139 and put in alphabetical order. Fix 'target' name and put in order.
1140 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1143 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1145 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1146 (memory_barrier): Expand as unspec instead of unspec_volatile.
1147 Remove mem:BLK from insn operands. Use Pmode scratch register.
1148 (*memory_barrier): Define as unspec instead of unspec_volatile.
1149 Use (match_dup 0) as input operand.
1151 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1152 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1153 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1154 scratch register. Remove operand 1.
1155 (*stbar): Define as unspec instead of unspec_volatile.
1156 Use (match_dup 0) as input operand, remove (const_int 8).
1157 (*membar): Define as unspec instead of unspec_volatile.
1158 Use (match_dup 0) as input operand, remove input operand 2.
1160 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1161 (memory_barrier): Expand as unspec instead of unspec_volatile.
1162 Remove mem:BLK from insn operands. Use Pmode scratch register.
1163 (*memory_barrier): Define as unspec instead of unspec_volatile.
1164 Use (match_dup 0) as input operand.
1166 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1167 Remove mem:BLK from insn operands. Use Pmode scratch register.
1168 Set volatile flag on operand 0.
1169 (*memory_barrier): New insn pattern.
1171 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1173 (*memory_barrier): Use (match_dup 0) as input operand.
1175 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1176 Remove mem:BLK from insn operands. Use Pmode scratch register.
1177 Set volatile flag on operand 0.
1178 (*mb_internal): New insn pattern.
1180 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1182 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1185 * function.c (struct temp_slot): Move to the section of the file
1186 that deals with temp slots. Remove field 'address'.
1187 (temp_slot_address_table): New hash table of address -> temp slot.
1188 (struct temp_slot_address_entry): New struct, items for the table.
1189 (temp_slot_address_compute_hash, temp_slot_address_hash,
1190 temp_slot_address_eq, insert_temp_slot_address): Support functions
1192 (find_temp_slot_from_address): Rewrite to use the new hash table.
1193 (remove_unused_temp_slot_addresses): Remove addresses of temp
1194 slots that have been made available.
1195 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1196 worker function for remove_unused_temp_slot_addresses.
1197 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1198 Add the temp slot address to the address -> temp slot map.
1199 (update_temp_slot_address): Update via insert_temp_slot_address.
1200 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1201 (pop_temp_slots): Likewise.
1202 (init_temp_slots): Allocate the address -> temp slot map, or empty
1203 the map if it is already allocated.
1204 (prepare_function_start): Initialize temp slot processing.
1206 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1209 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1210 Calculate the size of all stack vars assuming no packing of stack
1211 vars will happen, replacing a quadratic algorithm with a linear one.
1213 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1216 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1219 2009-01-03 Diego Novillo <dnovillo@google.com>
1221 * doc/contrib.texi: Update contributions.
1223 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1226 * builtins.c (fold_builtin_memory_op): Give up if either operand
1227 is volatile. Set srctype or desttype to non-qualified version
1231 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1234 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1236 PR rtl-optimization/35805
1237 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1238 problem if fast dce is able to remove any instructions.
1239 * dce.c (dce_process_block): Fix dump message.
1241 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1244 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1246 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1249 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1250 * tree-pretty-print.c (op_code_prio): New function.
1251 (op_prio): No longer static. Use op_code_prio.
1252 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1253 Use op_prio and op_code_prio to determine if () should be
1254 printed around operand(s) or not.
1256 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1257 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1258 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1259 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1260 pp_character instead of pp_string for single letter printing.
1262 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1264 * doc/extend.texi: Fix '#pragma GCC option' typo.
1266 2009-01-02 Richard Guenther <rguenther@suse.de>
1268 * doc/install.texi (--enable-checking): Mention different
1270 (--enable-stage1-checking): Document.
1272 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1275 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1276 case to be an error.
1278 2009-01-02 Ben Elliston <bje@au.ibm.com>
1280 * config/fp-bit.h (pack_d): Constify argument.
1281 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1282 (isnan): Constify argument.
1286 (_fpadd_parts): Constify return type.
1287 (_fpmul_parts): Likewise.
1288 (_fpdiv_parts): Likewise.
1290 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1293 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1294 warn about overwriting initializer with side-effects or
1295 -Woverride-init if !IMPLICIT.
1296 (output_init_element): Likewise. Pass IMPLICIT down to
1298 (process_init_element): Add IMPLICIT argument. Pass it down
1299 to output_init_element.
1300 (push_init_element, pop_init_level, set_designator): Adjust
1301 process_init_element callers.
1302 (set_nonincremental_init, set_nonincremental_init_from_string):
1303 Adjust add_pending_init callers.
1304 (output_pending_init_elements): Adjust output_init_element callers.
1305 * c-tree.h (process_init_element): Adjust prototype.
1306 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1307 process_init_element callers.