1 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3 PR tree-optimization/38997
4 * tree-loop-distribution.c (generate_memset_zero): Use
5 POINTER_PLUS_EXPR for a pointer addition.
7 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
9 * config/s390/s390.md (bswap<mode>2): New pattern added.
11 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
13 * config/s390/s390.md (*tls_load_31): Added type attribute.
15 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
17 * config/s390/s390.md: Fix a few comments.
19 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
21 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
22 (*tm<mode>_full): Fixed z10prop attribute.
23 (*tst<mode>_extimm): Fixed z10prop attribute.
24 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
25 (*tstqiCCT_cconly): Fixed z10prop attribute.
26 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
27 (*movsi_larl): Fixed z10prop attribute.
28 (*movsi_zarch): Fixed z10prop attribute.
29 (*movsi_eas): Fixed z10prop attribute.
30 (*movhi): Fixed z10prop attribute.
31 (*movqi): Fixed z10prop attribute.
32 (*movstrictqi): Fixed z10prop attribute.
33 (*mov<mode>): Fixed z10prop attribute.
34 (*movcc): Fixed z10prop attribute.
35 (*sethighpartdi_64): Fixed z10prop attribute.
36 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
37 (*negdi2_sign_cc): Fixed z10prop attribute.
38 (*negdi2_sign): Fixed z10prop attribute.
39 (*absdi2_sign_cc): Fixed z10prop attribute.
40 (*absdi2_sign): Fixed z10prop attribute.
41 (*negabsdi2_sign_cc): Fixed z10prop attribute.
42 (*negabsdi2_sign): Fixed z10prop attribute.
43 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
44 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
45 (doloop_si64): Fixed z10prop attribute.
46 (doloop_si31): Fixed z10prop attribute.
47 (doloop_long): Fixed z10prop attribute.
48 (indirect_jump): Fixed z10prop attribute.
49 (nop): Fixed z10prop attribute.
50 (main_base_64): Fixed z10prop attribute.
51 (reload_base_64): Fixed z10prop attribute.
53 2009-01-28 Jakub Jelinek <jakub@redhat.com>
55 PR rtl-optimization/38740
56 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
58 * config/mips/mips.c (mips_reorg): Likewise.
60 2009-01-28 Richard Guenther <rguenther@suse.de>
62 PR tree-optimization/38926
63 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
64 with the correct value id to a value.
65 (do_regular_insertion): Use the value number of edoubleprime
66 for the value number of the expr.
69 2008-08-21 Richard Guenther <rguenther@suse.de>
71 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
72 a PHI ask VN if it is already available.
73 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
74 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
76 2009-01-28 Jakub Jelinek <jakub@redhat.com>
79 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
80 set to varying whenever max has TREE_OVERFLOW set, similarly
81 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
83 2009-01-28 Richard Guenther <rguenther@suse.de>
86 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
87 uninitialized aggregate uses in call arguments.
89 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
91 PR tree-optimization/38984
92 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
93 the nothing_id variable if -fno-delete-null-pointer-checks.
95 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
99 (set_got_offset_rex64): Ditto.
101 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
104 * doc/extend.texi: Improve local variable with asm reg.
106 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
108 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
109 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
110 was not supplied then set warn_packed_bitfield_compat to the
112 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
115 2009-01-27 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/38503
118 * cfgexpand.c (expand_gimple_basic_block): Ignore
119 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
120 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
121 variables that cannot have TBAA applied.
122 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
125 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
128 * calls.c (initialize_argument_information): Do not wrap complex
129 arguments in SAVE_EXPR.
131 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
133 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
134 (INSTALL_LIBGCC): Revert typo commit.
136 2009-01-26 Richard Guenther <rguenther@suse.de>
138 PR tree-optimization/38745
139 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
140 from special handling.
142 2009-01-26 Richard Guenther <rguenther@suse.de>
144 PR tree-optimization/38745
145 * tree-ssa.c (execute_update_addresses_taken): Do not include
146 variables that cannot possibly be a register in not_reg_needs.
147 Do not clear TREE_ADDRESSABLE on vars that may not become
149 * tree-ssa.c (update_alias_info_1): Include those in the set
152 2009-01-26 Richard Guenther <rguenther@suse.de>
155 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
156 * tree-ssa-dse.c: Include langhooks.h
157 (execute_simple_dse): Remove stores with zero size.
159 2009-01-24 Jakub Jelinek <jakub@redhat.com>
162 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
165 2009-01-24 Julian Brown <julian@codesourcery.com>
167 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
168 config/arm/linux-atomic.c.
169 * config/arm/linux-atomic.c: New.
171 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
173 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
174 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
175 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
177 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
180 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
183 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
185 PR tree-optimization/38953
186 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
187 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
188 (gloog): Split the exit of the scop when the scop exit is a loop exit.
189 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
192 2009-01-24 Paul Brook <paul@codesourcery.com>
194 * config/arm/neon.md (neon_type): Move to arm.md.
195 (neon_mov<VSTRUCT>): Add neon_type attribute.
196 * config/arm/arm.md (neon_type): Move to here.
197 (conds): Add "unconditioal" and use as default for NEON insns.
199 2009-01-24 Ben Elliston <bje@au.ibm.com>
201 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
202 void *' warning from -Wc++-compat.
203 * Makefile.in (dominance.o-warn): Remove.
205 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
207 PR tree-optimization/38932
208 * fold-const.c (fold_unary_ignore_overflow): New.
209 * tree.h (fold_unary_ignore_overflow): Declare.
210 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
211 * tree-ssa-sccvn.c (visit_reference_op_load,
212 simplify_unary_expression): Likewise.
214 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
216 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
217 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
218 regardless of their type.
219 * c-common.c (handle_packed_attribute): Don't ignore packed on
221 * c.opt (Wpacked-bitfield-compat): New warning option.
222 * stor-layout.c (place_field): Warn if offset of a field changed.
223 * doc/extend.texi (packed): Mention the ABI change.
224 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
225 (Warning Options): Add it to the list.
227 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
229 * c-opts.c (c_common_post_options): Fix a typo in comments.
231 2009-01-22 Steve Ellcey <sje@cup.hp.com>
234 * gimplify.c (gimplify_init_constructor): Fix promotion of const
236 * doc/invoke.texi (-fmerge-all-constants): Update description.
238 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
241 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
242 (*movdi_1_rex64): Use type "mmx" for alternative 5.
244 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
246 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
248 (LOCAL_ALIGNMENT): Similarly.
250 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
251 Joseph Myers <joseph@codesourcery.com>
253 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
254 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
255 * config/arm/arm-tune.md: Regenerate.
256 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
259 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
261 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
262 version number to five.
264 2009-01-22 Dodji Seketeli <dodji@redhat.com>
267 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
268 * c-common.c (set_underlying_type): Likewise.
269 (is_typedef_decl ): Likewise
271 (set_underlying_type): Likewise.
272 (is_typedef_type): Likewise.
274 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
277 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
280 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
283 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
284 (LIBGCC_SPEC): Don't define.
285 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
287 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
289 PR rtl-optimization/38879
290 * alias.c (base_alias_check): Unaligned access via AND address can
291 alias all surrounding object types except those with sizes equal
292 or wider than the size of unaligned access.
294 2009-01-21 Dodji Seketeli <dodji@redhat.com>
297 * c-decl.c: (clone_underlying_type): Move this ...
298 * c-common.c (set_underlying_type): ... here.
299 Also, make sure the function properly sets TYPE_STUB_DECL() on
300 the newly created typedef variant type.
301 (is_typedef_decl ): New entry point.
302 * tree.h: Added a new member member_types_needing_access_check to
303 struct tree_decl_non_common.
304 (set_underlying_type): New entry point.
305 (is_typedef_type): Likewise.
307 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
309 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
310 Check whether two instructions have memory references that
311 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
312 are helper functions for traversing.
313 * alias.h (insn_alias_sets_confilict_p): New prototypes.
314 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
315 not to draw dependency edge for instructions with non-conflicting
318 2009-01-20 Joseph Myers <joseph@codesourcery.com>
321 * longlong.h: Update copyright years. Use soft-fp license
322 notice. Sync __clz_tab declaration with glibc.
324 2009-01-20 Steve Ellcey <sje@cup.hp.com>
327 * doc/extend.texi (syscall_linkage): New.
328 (version_id): Modify.
330 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
331 Richard Guenther <rguenther@suse.de>
333 PR tree-optimization/38747
334 PR tree-optimization/38748
335 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
336 conversion if the base address is an indirect reference and the
337 aliasing sets could cause issues.
339 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
341 * common.opt (fgraphite, fgraphite-identity): Add comment for
342 explaining why these options are not documented.
344 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
346 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
347 gimple_call_lhs is NULL.
349 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
352 * emit-rtl.c (adjust_address_1): Make sure memref is never
355 2009-01-20 Ben Elliston <bje@au.ibm.com>
357 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
358 const qualifier from arg parameter. Remove unnecessary cast to char *.
359 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
360 const qualifier from arg 2.
362 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
364 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
366 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
369 * rtl.h (reinit_regs): New prototype.
370 * regclass.c: Include ira.h.
372 * Makefile.in (regclass.o): Add ira.h.
373 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
375 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
378 * c-common.c (handle_aligned_attribute): Use
379 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
380 default alignment value.
382 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
384 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
385 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
387 * doc/extend.texi: Update __attribute__ ((aligned)). Document
388 __BIGGEST_ALIGNMENT__.
390 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
392 2009-01-18 Richard Guenther <rguenther@suse.de>
394 PR tree-optimization/38819
395 * tree-flow.h (operation_could_trap_helper_p): Declare.
396 * tree-eh.c (operation_could_trap_helper_p): Export.
397 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
398 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
399 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
400 are about to insert a possibly trapping instruction and fail
403 2009-01-18 Andreas Schwab <schwab@suse.de>
405 * doc/install.texi (Configuration): Remove obsolete paragraph
406 about use of --with-gnu-ld with --with-gnu-as.
408 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
410 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
411 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
412 Follow spelling conventions.
414 2009-01-18 Ben Elliston <bje@au.ibm.com>
416 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
417 C++ warning about implicit conversion from void * to struct
419 (bitmap_obstack_free): Likewise for bitmap_element *.
420 * Makefile.in (bitmap.o-warn): Remove.
422 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
424 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
426 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
427 Tobias Grosser <tobi.grosser@amd.com>
429 * graphite.c (graphite_trans_scop_block): Do not block single
432 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
434 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
435 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
438 2009-01-16 Richard Guenther <rguenther@suse.de>
440 PR tree-optimization/38835
442 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
443 and INT + PTR -> (INT)(PTR p+ INT) folding.
444 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
446 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
449 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
450 the subreg from a lowpart subreg if it is also casting the value.
452 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
453 Tobias Grosser <tobi.grosser@amd.com>
455 * graphite.c (compare_prefix_loops): New.
456 (build_scop_canonical_schedules): Rewritten.
457 (graphite_transform_loops): Move build_scop_canonical_schedules
458 after build_scop_iteration_domain.
460 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
461 Tobias Grosser <tobi.grosser@amd.com>
463 * graphite.c (add_conditions_to_domain): Add the loops to
464 the dimension of the iteration domain. Do copy the domain
466 (build_scop_conditions_1): Do not call add_conditions_to_domain.
467 (add_conditions_to_constraints): New.
468 (can_generate_code_stmt, can_generate_code): Removed.
469 (gloog): Do not call can_generate_code.
470 (graphite_transform_loops): Call add_conditions_to_constraints
471 after building the iteration domain.
473 2009-01-16 Jakub Jelinek <jakub@redhat.com>
475 PR tree-optimization/38789
476 * tree-ssa-threadedge.c
477 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
478 __builtin_constant_p.
480 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
482 * dce.c (delete_unmarked_insns): Reversed the order that insns are
483 examined before deleting them.
485 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
487 * function.c (aggregate_value_p): Correctly extract the function
488 type from CALL_EXPR_FN lookup.
490 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
492 * config/picochip/picochip.c (picochip_override_options): Revert
493 CFI asm flag disable commited previously.
495 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
496 Tobias Grosser <tobi.grosser@amd.com>
497 Jan Sjodin <jan.sjodin@amd.com>
499 * graphite.c (scan_tree_for_params): On substractions negate
500 all the coefficients of the term.
501 (clast_to_gcc_expression_red): New. Handle reduction expressions
502 of more than two operands.
503 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
504 (get_vdef_before_scop): Handle also the case of default definitions.
506 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
508 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
509 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
510 Also use them when walking CALL_INSN_FUNCTION_USAGE.
512 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
513 Joey Ye <joey.ye@intel.com>
516 * cfgexpand.c (expand_stack_alignment): Don't update stack
517 boundary nor check incoming stack boundary here.
518 (gimple_expand_cfg): Update stack boundary and check incoming
521 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
523 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
525 2009-01-14 Jakub Jelinek <jakub@redhat.com>
527 PR rtl-optimization/38245
528 * calls.c (expand_call): Add stack arguments to
529 CALL_INSN_FUNCTION_USAGE even for pure calls (when
530 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
531 in regs and partially in memory or BLKmode arguments.
532 (emit_library_call_value_1): Add stack arguments to
533 CALL_INSN_FUNCTION_USAGE even for pure calls (when
534 ACCUMULATE_OUTGOING_ARGS).
535 * dce.c: Include tm_p.h.
536 (find_call_stack_args): New function.
537 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
539 (mark_insn): Call find_call_stack_args for CALL_Ps.
540 (prescan_insns_for_dce): Walk insns backwards in bb rather than
541 forwards. Allocate and free arg_stores bitmap if needed, pass it
542 down to deletable_insn_p, don't mark stores set in arg_stores
543 bitmap, clear the bitmap at the beginning of each bb.
544 * Makefile.in (dce.o): Depend on $(TM_P_H).
546 2009-01-14 Michael Meissner <gnu@the-meissners.org>
549 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
550 to make sure the insn is a conditional test (bug 22599). Reformat a
553 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
556 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
557 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
558 (gloog): Do not call cleanup_tree_cfg.
559 (graphite_transform_loops): Call cleanup_tree_cfg after all
560 scops have been code generated.
562 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
563 * doc/gty.texi (Invoking the garbage collector): Added new node
564 and section documenting ggc_collect.
566 2009-01-14 Richard Guenther <rguenther@suse.de>
568 PR tree-optimization/38826
570 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
571 initialization notes only if we actually emitted a warning.
572 (intra_create_variable_infos): Add constraints for a result decl
573 that is passed by hidden reference.
574 (build_pred_graph): Mark all related variables non-direct on
577 2009-01-14 Nick Clifton <nickc@redhat.com>
579 * ira-conflicts.c: Include addresses.h for the definition of
581 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
582 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
584 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
587 * Makefile.in (ira-lives.o): Add except.h.
589 * ira-lives.c: Include except.h.
590 (process_bb_node_lives): Process can_throw_internal.
592 2009-01-13 Jakub Jelinek <jakub@redhat.com>
594 PR rtl-optimization/38774
595 * combine.c (simplify_set): When undoing cc_use change, don't do
596 PUT_CODE on the newly created comparison, but instead put back the
599 2009-01-13 Joseph Myers <joseph@codesourcery.com>
601 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
602 values. Remove duplicate arm8 entry.
604 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
606 PR tree-optimization/38786
607 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
608 the SSA_NAME case of expand_scalar_variables_expr.
609 Set the type of an expression to the type of its assign statement.
610 (expand_scalar_variables_expr): Also gather the scalar computation
611 used to index the memory access. Do not pass loop_p.
612 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
613 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
614 the gimple_stmt_iterator where it inserts new code.
616 (copy_bb_and_scalar_dependences): Do not pass loop_p.
617 (translate_clast): Update call to copy_bb_and_scalar_dependences.
619 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
621 * graphite.h (debug_value): Removed.
622 * graphite.c (debug_value): Removed.
624 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
626 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
627 ldrd/strd with two 32-bit instructions.
629 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
631 * config/arm/arm.c (struct processors): Pass for speed down into
632 cost helper functions.
633 (const_ok_for_op): Handle COMPARE and inequality nodes.
634 (arm_rtx_costs_1): Rewrite.
635 (arm_size_rtx_costs): Update prototype.
636 (arm_rtx_costs): Pass speed down to helper functions.
637 (arm_slowmul_rtx_costs): Rework cost calculations.
638 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
639 (arm_9e_rtx_costs): Likewise.
641 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
643 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
644 relocations of local symbols wider than UNITS_PER_WORD are not valid.
645 (alpha_legitimize_address): Do not split local symbols wider than
646 UNITS_PER_WORD into HIGH/LO_SUM parts.
648 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
651 * gcc.c (process_command): Replace call to execvp with calls
654 2009-01-03 Anatoly Sokolov <aesok@post.ru>
657 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
658 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
659 variant for devices with 3-byte PC.
660 (__tablejump_elpm__) : New.
662 2009-01-12 Jakub Jelinek <jakub@redhat.com>
665 * c-parser.c (c_parser_postfix_expression): Allow `->' in
666 offsetof member-designator, handle it as `[0].'.
668 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
670 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
671 function when not using named sections on targets with named sections
672 if branch distance is less than 262132.
674 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
676 * combine.c (combine_instructions): Recompute
677 optimize_this_for_speed_p for each BB in the main combine loop.
679 2009-01-12 Tomas Bily <tbily@suse.cz>
682 * tree-loop-distribution.c (prop_phis): New function.
683 (generate_builtin): Call prop_phis.
684 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
686 2009-01-12 Jakub Jelinek <jakub@redhat.com>
688 PR tree-optimization/38807
689 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
690 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
692 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
694 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
695 subreg of op0 to the original op0.
697 2009-01-11 Laurent GUERBY <laurent@guerby.net>
699 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
701 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
704 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
705 starting with digits.
707 2009-01-10 Jakub Jelinek <jakub@redhat.com>
710 * config/arm/arm.c (arm_is_long_call_p): Don't call
711 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
713 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
715 * regrename.c (regrename_optimize): Fix dumping.
716 (find_oldest_value_reg): Preserve REG_POINTER.
717 (copy_hardreg_forward_1): Likewise.
719 2009-01-09 Diego Novillo <dnovillo@google.com>
721 * gimple.h (struct gimple_statement_base)<uid>: Document
722 the restrictions on its use.
724 (gimple_set_uid): Tidy.
726 2009-01-09 Jakub Jelinek <jakub@redhat.com>
728 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
729 zero guard even if align_bytes != 0 and count is smaller than
732 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
734 PR rtl-optimization/38495
735 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
736 (add_range_and_copies_from_move_list): Print all added ranges.
737 Add ranges to memory optimized destination.
739 2009-01-09 Jakub Jelinek <jakub@redhat.com>
743 * config/i386/i386.c (override_options): Reject
744 -mstringop-strategy=rep_8byte with -m32.
745 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
746 to 1. Do count comparison against epilogue_size_needed at compile
747 time even when count_exp was constant forced into register. For
748 size_needed don't jump to epilogue, instead just avoid aligning
749 and invoke the body algorithm. If need_zero_guard, add zero guard
750 even if count is non-zero, but smaller than size_needed + number of
751 bytes that could be stored for alignment.
752 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
753 to 1. If need_zero_guard, add zero guard even if count is non-zero,
754 but smaller than size_needed + number of bytes that could be stored
755 for alignment. Compare size_needed with epilogue_size_needed instead
756 of desired_align - align, don't adjust size_needed, pass
757 epilogue_size_needed to the epilogue expanders.
760 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
762 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
764 * pa.c (last_address): Change to unsigned.
765 (update_total_code_bytes): Change argument to unsigned. Don't
766 check if insn addresses are set.
767 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
768 addresses are not set.
769 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
771 2009-01-09 Nick Clifton <nickc@redhat.com>
773 * config/sh/symbian.c: Replace uses of DECL_INLINE with
774 DECL_DECLARED_INLINE_P.
776 2009-01-09 Jakub Jelinek <jakub@redhat.com>
779 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
780 GET_MODE (op0) in operand_subword_force calls.
783 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
784 fold_convert arg0 operands to TREE_TYPE (op0) first.
786 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
788 * params.def (ira-max-conflict-table-size): Decrease default value
791 2009-01-08 Jakub Jelinek <jakub@redhat.com>
793 PR tree-optimization/37031
794 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
796 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
797 allocate it using gc instead of heap, use VEC_quick_push instead of
799 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
800 instead of heap, use VEC_quick_push instead of VEC_safe_push.
801 * tree-data-ref.h (struct access_matrix): Change matrix to gc
802 allocated vector from heap allocated.
803 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
804 * tree-loop-linear.c (linear_transform_loops): Allocate nest
805 vector only after perfect_loop_nest_depth call.
807 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
808 Jan Sjodin <jan.sjodin@amd.com>
810 PR tree-optimization/38559
811 * graphite.c (debug_value, copy_constraint,
812 swap_constraint_variables, scale_constraint_variable, ): New.
813 (get_lower_bound, get_upper_bound): Removed.
814 (graphite_trans_bb_strip_mine): Clean up this code that works
815 only for constant number of iterations. Fully copy upper and
816 lower bound constraints, not only the constant part of them.
817 * graphite.h (debug_value): Declared.
819 2009-01-08 Ira Rosen <irar@il.ibm.com>
821 PR tree-optimization/37194
822 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
823 Don't add the cost of cost model guard in prologue to scalar
824 outside cost in case of known number of iterations.
826 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
827 Alan Modra <amodra@bigpond.net.au>
829 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
830 non-word-aligned REG+CONST addressing.
832 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
835 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
836 free_after_compilation when outputting a thunk.
837 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
838 Do not call free_after_compilation here.
840 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
842 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
843 (ix86_valid_target_attribute_inner_p): Ditto.
845 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
847 PR tree-optimization/38492
848 PR tree-optimization/38498
849 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
850 * tree-chrec.h (scev_is_linear_expression): Declared.
851 * graphite.c (graphite_cannot_represent_loop_niter): New.
852 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
853 (graphite_loop_normal_form): Use gcc_assert.
854 (scan_tree_for_params): Use CASE_CONVERT.
855 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
856 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
857 Use gcc_assert. Discard scops that contain unhandled cases.
858 (build_scop_conditions): Return a boolean status for unhandled cases.
859 (strip_mine_profitable_p): Print the loop number, not its depth.
860 (is_interchange_valid): Pass the depth of the loop nest, don't
861 recompute it wrongly.
862 (graphite_trans_bb_block): Same.
863 (graphite_trans_bb_block): Print tentative of loop blocking.
864 (graphite_trans_scop_block): Do not print that the loop has been
866 (graphite_transform_loops): Do not handle scops that contain condition
869 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
871 AVX Programming Reference (December, 2008)
872 * config/i386/avxintrin.h (_mm256_stream_si256): New.
873 (_mm256_stream_pd): Likewise.
874 (_mm256_stream_ps): Likewise.
876 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
877 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
878 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
879 (bdesc_special_args): Add __builtin_ia32_movntdq256,
880 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
881 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
882 (ix86_expand_special_args_builtin): Likewise.
884 * config/i386/sse.md (AVXMODEDI): New.
885 (avx_movnt<mode>): Likewise.
886 (avx_movnt<mode>): Likewise.
887 (<sse>_movnt<mode>): Remove AVX support.
888 (sse2_movntv2di): Likewise.
890 2009-01-07 Richard Guenther <rguenther@suse.de>
893 * fold-const.c (extract_muldiv): Remove obsolete comment.
894 (fold_plusminus_mult_expr): Undo MINUS_EXPR
895 to PLUS_EXPR canonicalization for the canonicalization.
897 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
899 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
900 hosted cross-compilers generating less efficient code.
902 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
904 * function.h (rtl_data): Add a dbr_scheduled_p field.
905 * reorg.c (dbr_schedule): Set it.
906 (gate_handle_delay_slots): Check it.
907 * config/mips/mips.c (mips_base_delayed_branch): Delete.
908 (mips_reorg): Check flag_delayed_branch instead of
909 mips_base_delayed_branch.
910 (mips_override_options): Don't set mips_base_delayed_branch
911 or flag_delayed_branch.
913 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
915 PR rtl-optimization/38426.
916 * ira.c (ira): Set current_function_is_leaf earlier.
918 2009-01-06 Jakub Jelinek <jakub@redhat.com>
920 PR rtl-optimization/38722
921 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
922 too early, only set a flag and modify after last possible
925 2009-01-06 Janis Johnson <janis187@us.ibm.com>
928 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
929 * real.c (decimal_single_format): Correct values of emin and emax.
930 (decimal_double_format): Ditto.
931 (decimal_quad_format): Ditto.
932 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
933 computation of DECnn_MIN and DECnn_MAX for corrected values of
934 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
935 __DECnn_MIN__, and adjust its computation for the corrected value
938 2009-01-06 Jan Hubicka <jh@suse.cz>
941 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
943 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
945 * doc/contrib.texi (Contributors): Slightly adjust the end note.
946 Add Robert Clark to the list of testers.
948 2009-01-06 Jan Hubicka <jh@suse.cz>
949 Kai Tietz <kai.tietz@onevision.com>
951 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
952 * config/i386/i386.c (ix86_expand_call): Add clobbers.
954 2009-01-06 Jan Hubicka <jh@suse.cz>
955 Kai Tietz <kai.tietz@onevision.com>
957 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
959 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
960 (ix86_nsaved_regs): Count only general purpose regs.
961 (ix86_nsaved_sseregs): New.
962 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
963 to 16 for w64; compute padding and size of sse reg save area.
964 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
965 general purpose regs.
966 (ix86_emit_save_sse_regs_using_mov): New.
967 (ix86_expand_prologue): Save SSE regs if needed.
968 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
969 (ix86_emit_restore_sse_regs_using_mov): New.
970 (ix86_expand_epilogue): Save SSE regs if needed.
972 2009-01-06 Jan Hubicka <jh@suse.cz>
973 Kai Tietz <kai.tietz@onevision.com>
975 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
976 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
977 functions when accumulate outgoing args is off.
979 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
982 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
983 before using pseudos_have_intersected_live_ranges_p.
985 * ira-int.h (ira_assert): Always define.
987 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
989 AVX Programming Reference (December, 2008)
990 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
991 (_mm256_permute2_pd): Likewise.
992 (_mm_permute2_ps): Likewise.
993 (_mm256_permute2_ps): Likewise.
994 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
995 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
997 * config/i386/i386.c (ix86_builtins): Remove
998 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
999 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1000 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1001 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1002 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1003 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1004 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1005 __builtin_ia32_vpermil2ps256.
1006 (ix86_init_mmx_sse_builtins): Updated.
1007 (ix86_expand_args_builtin): Likewise.
1009 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1011 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1012 long absolute calls when generating PA 2.0 code.
1014 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1016 PR rtl-optimization/38583
1017 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1019 * params.def (ira-max-conflict-table-size): New.
1021 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1023 * ira.h (ira_conflicts_p): New external definition.
1025 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1026 table. Report this. Return result of building.
1027 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1028 building conflict table.
1030 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1031 (ira_color): Use ira_conflicts_p.
1033 * global.c: Include ira.h.
1034 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1037 * Makefile.in (global.o): Add ira.h.
1039 * ira-build.c (mark_all_loops_for_removal,
1040 propagate_some_info_from_allocno): New.
1041 (remove_unnecessary_allocnos): Call
1042 propagate_some_info_from_allocno.
1043 (remove_low_level_allocnos): New.
1044 (remove_unnecessary_regions): Add parameter. Call
1045 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1046 parameter to remove_unnecessary_regions.
1047 (ira_build): Remove all regions but root if the conflict table was
1048 not built. Update conflict hard regs for allocnos crossing calls.
1050 * ira.c (ira_conflicts_p): New global.
1051 (ira): Define and use ira_conflicts_p.
1053 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1054 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1055 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1057 2009-01-06 Ben Elliston <bje@au.ibm.com>
1059 * gengtype-lex.l (YY_NO_INPUT): Define.
1061 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1064 * c-common.c (handle_vector_size_attribute): Also reject
1067 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1069 PR tree-optimization/38492
1070 * graphite.c (rename_map_elt, debug_rename_elt,
1071 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1072 rename_map_elt_info, eq_rename_map_elts,
1073 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1074 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1075 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1076 (sese_build_livein_liveouts): New.
1077 (new_sese, free_sese): New.
1078 (new_scop): Call new_sese.
1079 (free_scop): Call free_sese.
1080 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1081 (register_old_new_names): Renamed register_old_and_new_names.
1082 (register_scop_liveout_renames, add_loop_exit_phis,
1083 insert_loop_close_phis, struct igp,
1084 default_liveout_before_guard, add_guard_exit_phis,
1085 insert_guard_phis, copy_renames): New.
1086 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1087 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1088 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1089 (scop_adjust_phis_for_liveouts): New.
1090 (gloog): Call scop_adjust_phis_for_liveouts.
1092 * graphite.h (struct sese): Documented. Added fields liveout,
1094 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1095 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1096 (struct scop): Added field liveout_renames.
1097 (SCOP_LIVEOUT_RENAMES): New.
1099 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1101 PR tree-optimization/38510
1102 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1103 (translate_clast): Call recompute_all_dominators before
1105 (gloog): Call recompute_all_dominators before graphite_verify.
1107 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1108 Jan Sjodin <jan.sjodin@amd.com>
1110 PR tree-optimization/38500
1111 * graphite.c (create_sese_edges): Call fix_loop_structure after
1114 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1116 * config.gcc: Add m32r*-*-rtems*.
1117 * config/m32r/rtems.h: New file.
1119 2009-01-05 Ben Elliston <bje@au.ibm.com>
1121 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1122 (.po.pox): Likewise.
1123 (po/gcc.pot): Likewise.
1125 2009-01-04 David S. Miller <davem@davemloft.net>
1127 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1128 (STARTING_FRAME_OFFSET): Always set to zero.
1130 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1132 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1133 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1134 fixed-point types, and vectors of the same.
1136 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1138 * config/mips/sync.md (*mb_barrier): Rename to...
1139 (*memory_barrier): ...this.
1141 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1143 * doc/extend.texi (Function Attributes): Move @cindex after @item
1144 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1145 and put in alphabetical order. Fix 'target' name and put in order.
1146 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1149 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1151 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1152 (memory_barrier): Expand as unspec instead of unspec_volatile.
1153 Remove mem:BLK from insn operands. Use Pmode scratch register.
1154 (*memory_barrier): Define as unspec instead of unspec_volatile.
1155 Use (match_dup 0) as input operand.
1157 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1158 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1159 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1160 scratch register. Remove operand 1.
1161 (*stbar): Define as unspec instead of unspec_volatile.
1162 Use (match_dup 0) as input operand, remove (const_int 8).
1163 (*membar): Define as unspec instead of unspec_volatile.
1164 Use (match_dup 0) as input operand, remove input operand 2.
1166 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1167 (memory_barrier): Expand as unspec instead of unspec_volatile.
1168 Remove mem:BLK from insn operands. Use Pmode scratch register.
1169 (*memory_barrier): Define as unspec instead of unspec_volatile.
1170 Use (match_dup 0) as input operand.
1172 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1173 Remove mem:BLK from insn operands. Use Pmode scratch register.
1174 Set volatile flag on operand 0.
1175 (*memory_barrier): New insn pattern.
1177 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1179 (*memory_barrier): Use (match_dup 0) as input operand.
1181 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1182 Remove mem:BLK from insn operands. Use Pmode scratch register.
1183 Set volatile flag on operand 0.
1184 (*mb_internal): New insn pattern.
1186 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1188 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1191 * function.c (struct temp_slot): Move to the section of the file
1192 that deals with temp slots. Remove field 'address'.
1193 (temp_slot_address_table): New hash table of address -> temp slot.
1194 (struct temp_slot_address_entry): New struct, items for the table.
1195 (temp_slot_address_compute_hash, temp_slot_address_hash,
1196 temp_slot_address_eq, insert_temp_slot_address): Support functions
1198 (find_temp_slot_from_address): Rewrite to use the new hash table.
1199 (remove_unused_temp_slot_addresses): Remove addresses of temp
1200 slots that have been made available.
1201 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1202 worker function for remove_unused_temp_slot_addresses.
1203 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1204 Add the temp slot address to the address -> temp slot map.
1205 (update_temp_slot_address): Update via insert_temp_slot_address.
1206 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1207 (pop_temp_slots): Likewise.
1208 (init_temp_slots): Allocate the address -> temp slot map, or empty
1209 the map if it is already allocated.
1210 (prepare_function_start): Initialize temp slot processing.
1212 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1215 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1216 Calculate the size of all stack vars assuming no packing of stack
1217 vars will happen, replacing a quadratic algorithm with a linear one.
1219 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1222 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1225 2009-01-03 Diego Novillo <dnovillo@google.com>
1227 * doc/contrib.texi: Update contributions.
1229 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1232 * builtins.c (fold_builtin_memory_op): Give up if either operand
1233 is volatile. Set srctype or desttype to non-qualified version
1237 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1240 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1242 PR rtl-optimization/35805
1243 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1244 problem if fast dce is able to remove any instructions.
1245 * dce.c (dce_process_block): Fix dump message.
1247 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1250 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1252 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1255 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1256 * tree-pretty-print.c (op_code_prio): New function.
1257 (op_prio): No longer static. Use op_code_prio.
1258 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1259 Use op_prio and op_code_prio to determine if () should be
1260 printed around operand(s) or not.
1262 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1263 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1264 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1265 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1266 pp_character instead of pp_string for single letter printing.
1268 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1270 * doc/extend.texi: Fix '#pragma GCC option' typo.
1272 2009-01-02 Richard Guenther <rguenther@suse.de>
1274 * doc/install.texi (--enable-checking): Mention different
1276 (--enable-stage1-checking): Document.
1278 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1281 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1282 case to be an error.
1284 2009-01-02 Ben Elliston <bje@au.ibm.com>
1286 * config/fp-bit.h (pack_d): Constify argument.
1287 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1288 (isnan): Constify argument.
1292 (_fpadd_parts): Constify return type.
1293 (_fpmul_parts): Likewise.
1294 (_fpdiv_parts): Likewise.
1296 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1299 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1300 warn about overwriting initializer with side-effects or
1301 -Woverride-init if !IMPLICIT.
1302 (output_init_element): Likewise. Pass IMPLICIT down to
1304 (process_init_element): Add IMPLICIT argument. Pass it down
1305 to output_init_element.
1306 (push_init_element, pop_init_level, set_designator): Adjust
1307 process_init_element callers.
1308 (set_nonincremental_init, set_nonincremental_init_from_string):
1309 Adjust add_pending_init callers.
1310 (output_pending_init_elements): Adjust output_init_element callers.
1311 * c-tree.h (process_init_element): Adjust prototype.
1312 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1313 process_init_element callers.