1 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6 * config/rs6000/rs6000.c (rs6000_override_options): Default
7 avoid-indexed-addresses on for Power6, off for everything else.
8 (avoiding_indexed_address_p): New function.
9 (rs6000_legitimize_address): Use it.
10 (rs6000_legitimate_address): Likewise.
11 * config/rs6000/rs6000.md (movXX_updateX): Likewise
13 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
15 PR tree-optimization/38997
16 * tree-loop-distribution.c (generate_memset_zero): Use
17 POINTER_PLUS_EXPR for a pointer addition.
19 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
21 * config/s390/s390.md (bswap<mode>2): New pattern added.
23 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
25 * config/s390/s390.md (*tls_load_31): Added type attribute.
27 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
29 * config/s390/s390.md: Fix a few comments.
31 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
33 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
34 (*tm<mode>_full): Fixed z10prop attribute.
35 (*tst<mode>_extimm): Fixed z10prop attribute.
36 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
37 (*tstqiCCT_cconly): Fixed z10prop attribute.
38 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
39 (*movsi_larl): Fixed z10prop attribute.
40 (*movsi_zarch): Fixed z10prop attribute.
41 (*movsi_eas): Fixed z10prop attribute.
42 (*movhi): Fixed z10prop attribute.
43 (*movqi): Fixed z10prop attribute.
44 (*movstrictqi): Fixed z10prop attribute.
45 (*mov<mode>): Fixed z10prop attribute.
46 (*movcc): Fixed z10prop attribute.
47 (*sethighpartdi_64): Fixed z10prop attribute.
48 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
49 (*negdi2_sign_cc): Fixed z10prop attribute.
50 (*negdi2_sign): Fixed z10prop attribute.
51 (*absdi2_sign_cc): Fixed z10prop attribute.
52 (*absdi2_sign): Fixed z10prop attribute.
53 (*negabsdi2_sign_cc): Fixed z10prop attribute.
54 (*negabsdi2_sign): Fixed z10prop attribute.
55 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
56 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
57 (doloop_si64): Fixed z10prop attribute.
58 (doloop_si31): Fixed z10prop attribute.
59 (doloop_long): Fixed z10prop attribute.
60 (indirect_jump): Fixed z10prop attribute.
61 (nop): Fixed z10prop attribute.
62 (main_base_64): Fixed z10prop attribute.
63 (reload_base_64): Fixed z10prop attribute.
65 2009-01-28 Jakub Jelinek <jakub@redhat.com>
67 PR rtl-optimization/38740
68 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
70 * config/mips/mips.c (mips_reorg): Likewise.
72 2009-01-28 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/38926
75 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
76 with the correct value id to a value.
77 (do_regular_insertion): Use the value number of edoubleprime
78 for the value number of the expr.
81 2008-08-21 Richard Guenther <rguenther@suse.de>
83 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
84 a PHI ask VN if it is already available.
85 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
86 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
88 2009-01-28 Jakub Jelinek <jakub@redhat.com>
91 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
92 set to varying whenever max has TREE_OVERFLOW set, similarly
93 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
95 2009-01-28 Richard Guenther <rguenther@suse.de>
98 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
99 uninitialized aggregate uses in call arguments.
101 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
103 PR tree-optimization/38984
104 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
105 the nothing_id variable if -fno-delete-null-pointer-checks.
107 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
110 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
111 (set_got_offset_rex64): Ditto.
113 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
116 * doc/extend.texi: Improve local variable with asm reg.
118 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
120 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
121 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
122 was not supplied then set warn_packed_bitfield_compat to the
124 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
127 2009-01-27 Richard Guenther <rguenther@suse.de>
129 PR tree-optimization/38503
130 * cfgexpand.c (expand_gimple_basic_block): Ignore
131 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
132 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
133 variables that cannot have TBAA applied.
134 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
137 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
140 * calls.c (initialize_argument_information): Do not wrap complex
141 arguments in SAVE_EXPR.
143 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
145 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
146 (INSTALL_LIBGCC): Revert typo commit.
148 2009-01-26 Richard Guenther <rguenther@suse.de>
150 PR tree-optimization/38745
151 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
152 from special handling.
154 2009-01-26 Richard Guenther <rguenther@suse.de>
156 PR tree-optimization/38745
157 * tree-ssa.c (execute_update_addresses_taken): Do not include
158 variables that cannot possibly be a register in not_reg_needs.
159 Do not clear TREE_ADDRESSABLE on vars that may not become
161 * tree-ssa.c (update_alias_info_1): Include those in the set
164 2009-01-26 Richard Guenther <rguenther@suse.de>
167 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
168 * tree-ssa-dse.c: Include langhooks.h
169 (execute_simple_dse): Remove stores with zero size.
171 2009-01-24 Jakub Jelinek <jakub@redhat.com>
174 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
177 2009-01-24 Julian Brown <julian@codesourcery.com>
179 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
180 config/arm/linux-atomic.c.
181 * config/arm/linux-atomic.c: New.
183 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
185 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
186 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
187 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
189 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
192 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
195 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
197 PR tree-optimization/38953
198 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
199 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
200 (gloog): Split the exit of the scop when the scop exit is a loop exit.
201 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
204 2009-01-24 Paul Brook <paul@codesourcery.com>
206 * config/arm/neon.md (neon_type): Move to arm.md.
207 (neon_mov<VSTRUCT>): Add neon_type attribute.
208 * config/arm/arm.md (neon_type): Move to here.
209 (conds): Add "unconditioal" and use as default for NEON insns.
211 2009-01-24 Ben Elliston <bje@au.ibm.com>
213 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
214 void *' warning from -Wc++-compat.
215 * Makefile.in (dominance.o-warn): Remove.
217 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
219 PR tree-optimization/38932
220 * fold-const.c (fold_unary_ignore_overflow): New.
221 * tree.h (fold_unary_ignore_overflow): Declare.
222 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
223 * tree-ssa-sccvn.c (visit_reference_op_load,
224 simplify_unary_expression): Likewise.
226 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
228 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
229 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
230 regardless of their type.
231 * c-common.c (handle_packed_attribute): Don't ignore packed on
233 * c.opt (Wpacked-bitfield-compat): New warning option.
234 * stor-layout.c (place_field): Warn if offset of a field changed.
235 * doc/extend.texi (packed): Mention the ABI change.
236 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
237 (Warning Options): Add it to the list.
239 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
241 * c-opts.c (c_common_post_options): Fix a typo in comments.
243 2009-01-22 Steve Ellcey <sje@cup.hp.com>
246 * gimplify.c (gimplify_init_constructor): Fix promotion of const
248 * doc/invoke.texi (-fmerge-all-constants): Update description.
250 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
253 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
254 (*movdi_1_rex64): Use type "mmx" for alternative 5.
256 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
258 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
260 (LOCAL_ALIGNMENT): Similarly.
262 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
263 Joseph Myers <joseph@codesourcery.com>
265 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
266 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
267 * config/arm/arm-tune.md: Regenerate.
268 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
271 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
273 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
274 version number to five.
276 2009-01-22 Dodji Seketeli <dodji@redhat.com>
279 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
280 * c-common.c (set_underlying_type): Likewise.
281 (is_typedef_decl ): Likewise
283 (set_underlying_type): Likewise.
284 (is_typedef_type): Likewise.
286 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
289 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
292 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
295 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
296 (LIBGCC_SPEC): Don't define.
297 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
299 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
301 PR rtl-optimization/38879
302 * alias.c (base_alias_check): Unaligned access via AND address can
303 alias all surrounding object types except those with sizes equal
304 or wider than the size of unaligned access.
306 2009-01-21 Dodji Seketeli <dodji@redhat.com>
309 * c-decl.c: (clone_underlying_type): Move this ...
310 * c-common.c (set_underlying_type): ... here.
311 Also, make sure the function properly sets TYPE_STUB_DECL() on
312 the newly created typedef variant type.
313 (is_typedef_decl ): New entry point.
314 * tree.h: Added a new member member_types_needing_access_check to
315 struct tree_decl_non_common.
316 (set_underlying_type): New entry point.
317 (is_typedef_type): Likewise.
319 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
321 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
322 Check whether two instructions have memory references that
323 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
324 are helper functions for traversing.
325 * alias.h (insn_alias_sets_confilict_p): New prototypes.
326 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
327 not to draw dependency edge for instructions with non-conflicting
330 2009-01-20 Joseph Myers <joseph@codesourcery.com>
333 * longlong.h: Update copyright years. Use soft-fp license
334 notice. Sync __clz_tab declaration with glibc.
336 2009-01-20 Steve Ellcey <sje@cup.hp.com>
339 * doc/extend.texi (syscall_linkage): New.
340 (version_id): Modify.
342 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
343 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/38747
346 PR tree-optimization/38748
347 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
348 conversion if the base address is an indirect reference and the
349 aliasing sets could cause issues.
351 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
353 * common.opt (fgraphite, fgraphite-identity): Add comment for
354 explaining why these options are not documented.
356 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
358 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
359 gimple_call_lhs is NULL.
361 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
364 * emit-rtl.c (adjust_address_1): Make sure memref is never
367 2009-01-20 Ben Elliston <bje@au.ibm.com>
369 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
370 const qualifier from arg parameter. Remove unnecessary cast to char *.
371 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
372 const qualifier from arg 2.
374 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
376 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
378 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
381 * rtl.h (reinit_regs): New prototype.
382 * regclass.c: Include ira.h.
384 * Makefile.in (regclass.o): Add ira.h.
385 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
387 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
390 * c-common.c (handle_aligned_attribute): Use
391 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
392 default alignment value.
394 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
396 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
397 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
399 * doc/extend.texi: Update __attribute__ ((aligned)). Document
400 __BIGGEST_ALIGNMENT__.
402 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
404 2009-01-18 Richard Guenther <rguenther@suse.de>
406 PR tree-optimization/38819
407 * tree-flow.h (operation_could_trap_helper_p): Declare.
408 * tree-eh.c (operation_could_trap_helper_p): Export.
409 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
410 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
411 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
412 are about to insert a possibly trapping instruction and fail
415 2009-01-18 Andreas Schwab <schwab@suse.de>
417 * doc/install.texi (Configuration): Remove obsolete paragraph
418 about use of --with-gnu-ld with --with-gnu-as.
420 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
422 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
423 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
424 Follow spelling conventions.
426 2009-01-18 Ben Elliston <bje@au.ibm.com>
428 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
429 C++ warning about implicit conversion from void * to struct
431 (bitmap_obstack_free): Likewise for bitmap_element *.
432 * Makefile.in (bitmap.o-warn): Remove.
434 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
436 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
438 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
439 Tobias Grosser <tobi.grosser@amd.com>
441 * graphite.c (graphite_trans_scop_block): Do not block single
444 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
446 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
447 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
450 2009-01-16 Richard Guenther <rguenther@suse.de>
452 PR tree-optimization/38835
454 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
455 and INT + PTR -> (INT)(PTR p+ INT) folding.
456 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
458 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
461 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
462 the subreg from a lowpart subreg if it is also casting the value.
464 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
465 Tobias Grosser <tobi.grosser@amd.com>
467 * graphite.c (compare_prefix_loops): New.
468 (build_scop_canonical_schedules): Rewritten.
469 (graphite_transform_loops): Move build_scop_canonical_schedules
470 after build_scop_iteration_domain.
472 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
473 Tobias Grosser <tobi.grosser@amd.com>
475 * graphite.c (add_conditions_to_domain): Add the loops to
476 the dimension of the iteration domain. Do copy the domain
478 (build_scop_conditions_1): Do not call add_conditions_to_domain.
479 (add_conditions_to_constraints): New.
480 (can_generate_code_stmt, can_generate_code): Removed.
481 (gloog): Do not call can_generate_code.
482 (graphite_transform_loops): Call add_conditions_to_constraints
483 after building the iteration domain.
485 2009-01-16 Jakub Jelinek <jakub@redhat.com>
487 PR tree-optimization/38789
488 * tree-ssa-threadedge.c
489 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
490 __builtin_constant_p.
492 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
494 * dce.c (delete_unmarked_insns): Reversed the order that insns are
495 examined before deleting them.
497 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
499 * function.c (aggregate_value_p): Correctly extract the function
500 type from CALL_EXPR_FN lookup.
502 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
504 * config/picochip/picochip.c (picochip_override_options): Revert
505 CFI asm flag disable commited previously.
507 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
508 Tobias Grosser <tobi.grosser@amd.com>
509 Jan Sjodin <jan.sjodin@amd.com>
511 * graphite.c (scan_tree_for_params): On substractions negate
512 all the coefficients of the term.
513 (clast_to_gcc_expression_red): New. Handle reduction expressions
514 of more than two operands.
515 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
516 (get_vdef_before_scop): Handle also the case of default definitions.
518 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
520 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
521 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
522 Also use them when walking CALL_INSN_FUNCTION_USAGE.
524 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
525 Joey Ye <joey.ye@intel.com>
528 * cfgexpand.c (expand_stack_alignment): Don't update stack
529 boundary nor check incoming stack boundary here.
530 (gimple_expand_cfg): Update stack boundary and check incoming
533 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
535 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
537 2009-01-14 Jakub Jelinek <jakub@redhat.com>
539 PR rtl-optimization/38245
540 * calls.c (expand_call): Add stack arguments to
541 CALL_INSN_FUNCTION_USAGE even for pure calls (when
542 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
543 in regs and partially in memory or BLKmode arguments.
544 (emit_library_call_value_1): Add stack arguments to
545 CALL_INSN_FUNCTION_USAGE even for pure calls (when
546 ACCUMULATE_OUTGOING_ARGS).
547 * dce.c: Include tm_p.h.
548 (find_call_stack_args): New function.
549 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
551 (mark_insn): Call find_call_stack_args for CALL_Ps.
552 (prescan_insns_for_dce): Walk insns backwards in bb rather than
553 forwards. Allocate and free arg_stores bitmap if needed, pass it
554 down to deletable_insn_p, don't mark stores set in arg_stores
555 bitmap, clear the bitmap at the beginning of each bb.
556 * Makefile.in (dce.o): Depend on $(TM_P_H).
558 2009-01-14 Michael Meissner <gnu@the-meissners.org>
561 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
562 to make sure the insn is a conditional test (bug 22599). Reformat a
565 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
568 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
569 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
570 (gloog): Do not call cleanup_tree_cfg.
571 (graphite_transform_loops): Call cleanup_tree_cfg after all
572 scops have been code generated.
574 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
575 * doc/gty.texi (Invoking the garbage collector): Added new node
576 and section documenting ggc_collect.
578 2009-01-14 Richard Guenther <rguenther@suse.de>
580 PR tree-optimization/38826
582 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
583 initialization notes only if we actually emitted a warning.
584 (intra_create_variable_infos): Add constraints for a result decl
585 that is passed by hidden reference.
586 (build_pred_graph): Mark all related variables non-direct on
589 2009-01-14 Nick Clifton <nickc@redhat.com>
591 * ira-conflicts.c: Include addresses.h for the definition of
593 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
594 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
596 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
599 * Makefile.in (ira-lives.o): Add except.h.
601 * ira-lives.c: Include except.h.
602 (process_bb_node_lives): Process can_throw_internal.
604 2009-01-13 Jakub Jelinek <jakub@redhat.com>
606 PR rtl-optimization/38774
607 * combine.c (simplify_set): When undoing cc_use change, don't do
608 PUT_CODE on the newly created comparison, but instead put back the
611 2009-01-13 Joseph Myers <joseph@codesourcery.com>
613 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
614 values. Remove duplicate arm8 entry.
616 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
618 PR tree-optimization/38786
619 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
620 the SSA_NAME case of expand_scalar_variables_expr.
621 Set the type of an expression to the type of its assign statement.
622 (expand_scalar_variables_expr): Also gather the scalar computation
623 used to index the memory access. Do not pass loop_p.
624 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
625 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
626 the gimple_stmt_iterator where it inserts new code.
628 (copy_bb_and_scalar_dependences): Do not pass loop_p.
629 (translate_clast): Update call to copy_bb_and_scalar_dependences.
631 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
633 * graphite.h (debug_value): Removed.
634 * graphite.c (debug_value): Removed.
636 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
638 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
639 ldrd/strd with two 32-bit instructions.
641 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
643 * config/arm/arm.c (struct processors): Pass for speed down into
644 cost helper functions.
645 (const_ok_for_op): Handle COMPARE and inequality nodes.
646 (arm_rtx_costs_1): Rewrite.
647 (arm_size_rtx_costs): Update prototype.
648 (arm_rtx_costs): Pass speed down to helper functions.
649 (arm_slowmul_rtx_costs): Rework cost calculations.
650 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
651 (arm_9e_rtx_costs): Likewise.
653 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
655 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
656 relocations of local symbols wider than UNITS_PER_WORD are not valid.
657 (alpha_legitimize_address): Do not split local symbols wider than
658 UNITS_PER_WORD into HIGH/LO_SUM parts.
660 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
663 * gcc.c (process_command): Replace call to execvp with calls
666 2009-01-03 Anatoly Sokolov <aesok@post.ru>
669 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
670 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
671 variant for devices with 3-byte PC.
672 (__tablejump_elpm__) : New.
674 2009-01-12 Jakub Jelinek <jakub@redhat.com>
677 * c-parser.c (c_parser_postfix_expression): Allow `->' in
678 offsetof member-designator, handle it as `[0].'.
680 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
682 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
683 function when not using named sections on targets with named sections
684 if branch distance is less than 262132.
686 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
688 * combine.c (combine_instructions): Recompute
689 optimize_this_for_speed_p for each BB in the main combine loop.
691 2009-01-12 Tomas Bily <tbily@suse.cz>
694 * tree-loop-distribution.c (prop_phis): New function.
695 (generate_builtin): Call prop_phis.
696 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
698 2009-01-12 Jakub Jelinek <jakub@redhat.com>
700 PR tree-optimization/38807
701 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
702 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
704 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
706 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
707 subreg of op0 to the original op0.
709 2009-01-11 Laurent GUERBY <laurent@guerby.net>
711 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
713 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
716 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
717 starting with digits.
719 2009-01-10 Jakub Jelinek <jakub@redhat.com>
722 * config/arm/arm.c (arm_is_long_call_p): Don't call
723 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
725 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
727 * regrename.c (regrename_optimize): Fix dumping.
728 (find_oldest_value_reg): Preserve REG_POINTER.
729 (copy_hardreg_forward_1): Likewise.
731 2009-01-09 Diego Novillo <dnovillo@google.com>
733 * gimple.h (struct gimple_statement_base)<uid>: Document
734 the restrictions on its use.
736 (gimple_set_uid): Tidy.
738 2009-01-09 Jakub Jelinek <jakub@redhat.com>
740 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
741 zero guard even if align_bytes != 0 and count is smaller than
744 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
746 PR rtl-optimization/38495
747 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
748 (add_range_and_copies_from_move_list): Print all added ranges.
749 Add ranges to memory optimized destination.
751 2009-01-09 Jakub Jelinek <jakub@redhat.com>
755 * config/i386/i386.c (override_options): Reject
756 -mstringop-strategy=rep_8byte with -m32.
757 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
758 to 1. Do count comparison against epilogue_size_needed at compile
759 time even when count_exp was constant forced into register. For
760 size_needed don't jump to epilogue, instead just avoid aligning
761 and invoke the body algorithm. If need_zero_guard, add zero guard
762 even if count is non-zero, but smaller than size_needed + number of
763 bytes that could be stored for alignment.
764 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
765 to 1. If need_zero_guard, add zero guard even if count is non-zero,
766 but smaller than size_needed + number of bytes that could be stored
767 for alignment. Compare size_needed with epilogue_size_needed instead
768 of desired_align - align, don't adjust size_needed, pass
769 epilogue_size_needed to the epilogue expanders.
772 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
774 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
776 * pa.c (last_address): Change to unsigned.
777 (update_total_code_bytes): Change argument to unsigned. Don't
778 check if insn addresses are set.
779 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
780 addresses are not set.
781 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
783 2009-01-09 Nick Clifton <nickc@redhat.com>
785 * config/sh/symbian.c: Replace uses of DECL_INLINE with
786 DECL_DECLARED_INLINE_P.
788 2009-01-09 Jakub Jelinek <jakub@redhat.com>
791 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
792 GET_MODE (op0) in operand_subword_force calls.
795 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
796 fold_convert arg0 operands to TREE_TYPE (op0) first.
798 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
800 * params.def (ira-max-conflict-table-size): Decrease default value
803 2009-01-08 Jakub Jelinek <jakub@redhat.com>
805 PR tree-optimization/37031
806 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
808 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
809 allocate it using gc instead of heap, use VEC_quick_push instead of
811 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
812 instead of heap, use VEC_quick_push instead of VEC_safe_push.
813 * tree-data-ref.h (struct access_matrix): Change matrix to gc
814 allocated vector from heap allocated.
815 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
816 * tree-loop-linear.c (linear_transform_loops): Allocate nest
817 vector only after perfect_loop_nest_depth call.
819 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
820 Jan Sjodin <jan.sjodin@amd.com>
822 PR tree-optimization/38559
823 * graphite.c (debug_value, copy_constraint,
824 swap_constraint_variables, scale_constraint_variable, ): New.
825 (get_lower_bound, get_upper_bound): Removed.
826 (graphite_trans_bb_strip_mine): Clean up this code that works
827 only for constant number of iterations. Fully copy upper and
828 lower bound constraints, not only the constant part of them.
829 * graphite.h (debug_value): Declared.
831 2009-01-08 Ira Rosen <irar@il.ibm.com>
833 PR tree-optimization/37194
834 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
835 Don't add the cost of cost model guard in prologue to scalar
836 outside cost in case of known number of iterations.
838 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
839 Alan Modra <amodra@bigpond.net.au>
841 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
842 non-word-aligned REG+CONST addressing.
844 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
847 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
848 free_after_compilation when outputting a thunk.
849 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
850 Do not call free_after_compilation here.
852 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
854 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
855 (ix86_valid_target_attribute_inner_p): Ditto.
857 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
859 PR tree-optimization/38492
860 PR tree-optimization/38498
861 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
862 * tree-chrec.h (scev_is_linear_expression): Declared.
863 * graphite.c (graphite_cannot_represent_loop_niter): New.
864 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
865 (graphite_loop_normal_form): Use gcc_assert.
866 (scan_tree_for_params): Use CASE_CONVERT.
867 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
868 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
869 Use gcc_assert. Discard scops that contain unhandled cases.
870 (build_scop_conditions): Return a boolean status for unhandled cases.
871 (strip_mine_profitable_p): Print the loop number, not its depth.
872 (is_interchange_valid): Pass the depth of the loop nest, don't
873 recompute it wrongly.
874 (graphite_trans_bb_block): Same.
875 (graphite_trans_bb_block): Print tentative of loop blocking.
876 (graphite_trans_scop_block): Do not print that the loop has been
878 (graphite_transform_loops): Do not handle scops that contain condition
881 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
883 AVX Programming Reference (December, 2008)
884 * config/i386/avxintrin.h (_mm256_stream_si256): New.
885 (_mm256_stream_pd): Likewise.
886 (_mm256_stream_ps): Likewise.
888 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
889 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
890 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
891 (bdesc_special_args): Add __builtin_ia32_movntdq256,
892 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
893 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
894 (ix86_expand_special_args_builtin): Likewise.
896 * config/i386/sse.md (AVXMODEDI): New.
897 (avx_movnt<mode>): Likewise.
898 (avx_movnt<mode>): Likewise.
899 (<sse>_movnt<mode>): Remove AVX support.
900 (sse2_movntv2di): Likewise.
902 2009-01-07 Richard Guenther <rguenther@suse.de>
905 * fold-const.c (extract_muldiv): Remove obsolete comment.
906 (fold_plusminus_mult_expr): Undo MINUS_EXPR
907 to PLUS_EXPR canonicalization for the canonicalization.
909 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
911 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
912 hosted cross-compilers generating less efficient code.
914 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
916 * function.h (rtl_data): Add a dbr_scheduled_p field.
917 * reorg.c (dbr_schedule): Set it.
918 (gate_handle_delay_slots): Check it.
919 * config/mips/mips.c (mips_base_delayed_branch): Delete.
920 (mips_reorg): Check flag_delayed_branch instead of
921 mips_base_delayed_branch.
922 (mips_override_options): Don't set mips_base_delayed_branch
923 or flag_delayed_branch.
925 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
927 PR rtl-optimization/38426.
928 * ira.c (ira): Set current_function_is_leaf earlier.
930 2009-01-06 Jakub Jelinek <jakub@redhat.com>
932 PR rtl-optimization/38722
933 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
934 too early, only set a flag and modify after last possible
937 2009-01-06 Janis Johnson <janis187@us.ibm.com>
940 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
941 * real.c (decimal_single_format): Correct values of emin and emax.
942 (decimal_double_format): Ditto.
943 (decimal_quad_format): Ditto.
944 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
945 computation of DECnn_MIN and DECnn_MAX for corrected values of
946 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
947 __DECnn_MIN__, and adjust its computation for the corrected value
950 2009-01-06 Jan Hubicka <jh@suse.cz>
953 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
955 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
957 * doc/contrib.texi (Contributors): Slightly adjust the end note.
958 Add Robert Clark to the list of testers.
960 2009-01-06 Jan Hubicka <jh@suse.cz>
961 Kai Tietz <kai.tietz@onevision.com>
963 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
964 * config/i386/i386.c (ix86_expand_call): Add clobbers.
966 2009-01-06 Jan Hubicka <jh@suse.cz>
967 Kai Tietz <kai.tietz@onevision.com>
969 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
971 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
972 (ix86_nsaved_regs): Count only general purpose regs.
973 (ix86_nsaved_sseregs): New.
974 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
975 to 16 for w64; compute padding and size of sse reg save area.
976 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
977 general purpose regs.
978 (ix86_emit_save_sse_regs_using_mov): New.
979 (ix86_expand_prologue): Save SSE regs if needed.
980 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
981 (ix86_emit_restore_sse_regs_using_mov): New.
982 (ix86_expand_epilogue): Save SSE regs if needed.
984 2009-01-06 Jan Hubicka <jh@suse.cz>
985 Kai Tietz <kai.tietz@onevision.com>
987 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
988 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
989 functions when accumulate outgoing args is off.
991 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
994 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
995 before using pseudos_have_intersected_live_ranges_p.
997 * ira-int.h (ira_assert): Always define.
999 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1001 AVX Programming Reference (December, 2008)
1002 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1003 (_mm256_permute2_pd): Likewise.
1004 (_mm_permute2_ps): Likewise.
1005 (_mm256_permute2_ps): Likewise.
1006 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1007 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1009 * config/i386/i386.c (ix86_builtins): Remove
1010 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1011 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1012 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1013 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1014 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1015 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1016 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1017 __builtin_ia32_vpermil2ps256.
1018 (ix86_init_mmx_sse_builtins): Updated.
1019 (ix86_expand_args_builtin): Likewise.
1021 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1023 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1024 long absolute calls when generating PA 2.0 code.
1026 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1028 PR rtl-optimization/38583
1029 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1031 * params.def (ira-max-conflict-table-size): New.
1033 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1035 * ira.h (ira_conflicts_p): New external definition.
1037 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1038 table. Report this. Return result of building.
1039 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1040 building conflict table.
1042 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1043 (ira_color): Use ira_conflicts_p.
1045 * global.c: Include ira.h.
1046 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1049 * Makefile.in (global.o): Add ira.h.
1051 * ira-build.c (mark_all_loops_for_removal,
1052 propagate_some_info_from_allocno): New.
1053 (remove_unnecessary_allocnos): Call
1054 propagate_some_info_from_allocno.
1055 (remove_low_level_allocnos): New.
1056 (remove_unnecessary_regions): Add parameter. Call
1057 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1058 parameter to remove_unnecessary_regions.
1059 (ira_build): Remove all regions but root if the conflict table was
1060 not built. Update conflict hard regs for allocnos crossing calls.
1062 * ira.c (ira_conflicts_p): New global.
1063 (ira): Define and use ira_conflicts_p.
1065 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1066 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1067 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1069 2009-01-06 Ben Elliston <bje@au.ibm.com>
1071 * gengtype-lex.l (YY_NO_INPUT): Define.
1073 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1076 * c-common.c (handle_vector_size_attribute): Also reject
1079 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1081 PR tree-optimization/38492
1082 * graphite.c (rename_map_elt, debug_rename_elt,
1083 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1084 rename_map_elt_info, eq_rename_map_elts,
1085 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1086 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1087 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1088 (sese_build_livein_liveouts): New.
1089 (new_sese, free_sese): New.
1090 (new_scop): Call new_sese.
1091 (free_scop): Call free_sese.
1092 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1093 (register_old_new_names): Renamed register_old_and_new_names.
1094 (register_scop_liveout_renames, add_loop_exit_phis,
1095 insert_loop_close_phis, struct igp,
1096 default_liveout_before_guard, add_guard_exit_phis,
1097 insert_guard_phis, copy_renames): New.
1098 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1099 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1100 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1101 (scop_adjust_phis_for_liveouts): New.
1102 (gloog): Call scop_adjust_phis_for_liveouts.
1104 * graphite.h (struct sese): Documented. Added fields liveout,
1106 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1107 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1108 (struct scop): Added field liveout_renames.
1109 (SCOP_LIVEOUT_RENAMES): New.
1111 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1113 PR tree-optimization/38510
1114 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1115 (translate_clast): Call recompute_all_dominators before
1117 (gloog): Call recompute_all_dominators before graphite_verify.
1119 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1120 Jan Sjodin <jan.sjodin@amd.com>
1122 PR tree-optimization/38500
1123 * graphite.c (create_sese_edges): Call fix_loop_structure after
1126 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1128 * config.gcc: Add m32r*-*-rtems*.
1129 * config/m32r/rtems.h: New file.
1131 2009-01-05 Ben Elliston <bje@au.ibm.com>
1133 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1134 (.po.pox): Likewise.
1135 (po/gcc.pot): Likewise.
1137 2009-01-04 David S. Miller <davem@davemloft.net>
1139 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1140 (STARTING_FRAME_OFFSET): Always set to zero.
1142 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1144 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1145 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1146 fixed-point types, and vectors of the same.
1148 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1150 * config/mips/sync.md (*mb_barrier): Rename to...
1151 (*memory_barrier): ...this.
1153 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1155 * doc/extend.texi (Function Attributes): Move @cindex after @item
1156 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1157 and put in alphabetical order. Fix 'target' name and put in order.
1158 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1161 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1163 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1164 (memory_barrier): Expand as unspec instead of unspec_volatile.
1165 Remove mem:BLK from insn operands. Use Pmode scratch register.
1166 (*memory_barrier): Define as unspec instead of unspec_volatile.
1167 Use (match_dup 0) as input operand.
1169 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1170 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1171 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1172 scratch register. Remove operand 1.
1173 (*stbar): Define as unspec instead of unspec_volatile.
1174 Use (match_dup 0) as input operand, remove (const_int 8).
1175 (*membar): Define as unspec instead of unspec_volatile.
1176 Use (match_dup 0) as input operand, remove input operand 2.
1178 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1179 (memory_barrier): Expand as unspec instead of unspec_volatile.
1180 Remove mem:BLK from insn operands. Use Pmode scratch register.
1181 (*memory_barrier): Define as unspec instead of unspec_volatile.
1182 Use (match_dup 0) as input operand.
1184 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1185 Remove mem:BLK from insn operands. Use Pmode scratch register.
1186 Set volatile flag on operand 0.
1187 (*memory_barrier): New insn pattern.
1189 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1191 (*memory_barrier): Use (match_dup 0) as input operand.
1193 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1194 Remove mem:BLK from insn operands. Use Pmode scratch register.
1195 Set volatile flag on operand 0.
1196 (*mb_internal): New insn pattern.
1198 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1200 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1203 * function.c (struct temp_slot): Move to the section of the file
1204 that deals with temp slots. Remove field 'address'.
1205 (temp_slot_address_table): New hash table of address -> temp slot.
1206 (struct temp_slot_address_entry): New struct, items for the table.
1207 (temp_slot_address_compute_hash, temp_slot_address_hash,
1208 temp_slot_address_eq, insert_temp_slot_address): Support functions
1210 (find_temp_slot_from_address): Rewrite to use the new hash table.
1211 (remove_unused_temp_slot_addresses): Remove addresses of temp
1212 slots that have been made available.
1213 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1214 worker function for remove_unused_temp_slot_addresses.
1215 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1216 Add the temp slot address to the address -> temp slot map.
1217 (update_temp_slot_address): Update via insert_temp_slot_address.
1218 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1219 (pop_temp_slots): Likewise.
1220 (init_temp_slots): Allocate the address -> temp slot map, or empty
1221 the map if it is already allocated.
1222 (prepare_function_start): Initialize temp slot processing.
1224 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1227 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1228 Calculate the size of all stack vars assuming no packing of stack
1229 vars will happen, replacing a quadratic algorithm with a linear one.
1231 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1234 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1237 2009-01-03 Diego Novillo <dnovillo@google.com>
1239 * doc/contrib.texi: Update contributions.
1241 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1244 * builtins.c (fold_builtin_memory_op): Give up if either operand
1245 is volatile. Set srctype or desttype to non-qualified version
1249 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1252 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1254 PR rtl-optimization/35805
1255 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1256 problem if fast dce is able to remove any instructions.
1257 * dce.c (dce_process_block): Fix dump message.
1259 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1262 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1264 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1267 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1268 * tree-pretty-print.c (op_code_prio): New function.
1269 (op_prio): No longer static. Use op_code_prio.
1270 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1271 Use op_prio and op_code_prio to determine if () should be
1272 printed around operand(s) or not.
1274 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1275 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1276 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1277 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1278 pp_character instead of pp_string for single letter printing.
1280 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1282 * doc/extend.texi: Fix '#pragma GCC option' typo.
1284 2009-01-02 Richard Guenther <rguenther@suse.de>
1286 * doc/install.texi (--enable-checking): Mention different
1288 (--enable-stage1-checking): Document.
1290 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1293 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1294 case to be an error.
1296 2009-01-02 Ben Elliston <bje@au.ibm.com>
1298 * config/fp-bit.h (pack_d): Constify argument.
1299 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1300 (isnan): Constify argument.
1304 (_fpadd_parts): Constify return type.
1305 (_fpmul_parts): Likewise.
1306 (_fpdiv_parts): Likewise.
1308 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1311 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1312 warn about overwriting initializer with side-effects or
1313 -Woverride-init if !IMPLICIT.
1314 (output_init_element): Likewise. Pass IMPLICIT down to
1316 (process_init_element): Add IMPLICIT argument. Pass it down
1317 to output_init_element.
1318 (push_init_element, pop_init_level, set_designator): Adjust
1319 process_init_element callers.
1320 (set_nonincremental_init, set_nonincremental_init_from_string):
1321 Adjust add_pending_init callers.
1322 (output_pending_init_elements): Adjust output_init_element callers.
1323 * c-tree.h (process_init_element): Adjust prototype.
1324 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1325 process_init_element callers.