1 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4 * doc/invoke.texi (rtl debug options): Complete rewrite.
5 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
7 * mode-switching.c (pass_mode_switching): Rename pass from
8 "mode-sw" to "mode_sw".
9 * except.c (pass_convert_to_eh_ranges): Rename pass from
10 "eh-ranges" to "eh_ranges".
11 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
15 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
16 Alexander Monakov <amonakov@ispras.ru>
19 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
21 (move_exprs_to_boundary): Change return type and pass through
22 should_move from move_op. Relax assert. Update usage ...
23 (schedule_expr_on_boundary): ... here. Use should_move instead of
25 (move_op_orig_expr_found): Indicate that insn was disconnected from
27 (code_motion_process_successors): Do not call after_merge_succs
28 callback if original expression was not found when traversing any of
30 (code_motion_path_driver): Change return type. Update prototype.
31 (move_op): Update comment. Add a new parameter (should_move). Update
32 prototype. Set *should_move based on indication provided by
33 move_op_orig_expr_found.
35 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
37 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
38 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
39 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
40 * config/rs6000/rs6000.c (rs6000_override_options): Default
41 avoid-indexed-addresses on for Power6, off for everything else.
42 (avoiding_indexed_address_p): New function.
43 (rs6000_legitimize_address): Use it.
44 (rs6000_legitimate_address): Likewise.
45 * config/rs6000/rs6000.md (movXX_updateX): Likewise
47 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
49 PR tree-optimization/38997
50 * tree-loop-distribution.c (generate_memset_zero): Use
51 POINTER_PLUS_EXPR for a pointer addition.
53 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
55 * config/s390/s390.md (bswap<mode>2): New pattern added.
57 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
59 * config/s390/s390.md (*tls_load_31): Added type attribute.
61 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
63 * config/s390/s390.md: Fix a few comments.
65 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
67 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
68 (*tm<mode>_full): Fixed z10prop attribute.
69 (*tst<mode>_extimm): Fixed z10prop attribute.
70 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
71 (*tstqiCCT_cconly): Fixed z10prop attribute.
72 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
73 (*movsi_larl): Fixed z10prop attribute.
74 (*movsi_zarch): Fixed z10prop attribute.
75 (*movsi_eas): Fixed z10prop attribute.
76 (*movhi): Fixed z10prop attribute.
77 (*movqi): Fixed z10prop attribute.
78 (*movstrictqi): Fixed z10prop attribute.
79 (*mov<mode>): Fixed z10prop attribute.
80 (*movcc): Fixed z10prop attribute.
81 (*sethighpartdi_64): Fixed z10prop attribute.
82 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
83 (*negdi2_sign_cc): Fixed z10prop attribute.
84 (*negdi2_sign): Fixed z10prop attribute.
85 (*absdi2_sign_cc): Fixed z10prop attribute.
86 (*absdi2_sign): Fixed z10prop attribute.
87 (*negabsdi2_sign_cc): Fixed z10prop attribute.
88 (*negabsdi2_sign): Fixed z10prop attribute.
89 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
90 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
91 (doloop_si64): Fixed z10prop attribute.
92 (doloop_si31): Fixed z10prop attribute.
93 (doloop_long): Fixed z10prop attribute.
94 (indirect_jump): Fixed z10prop attribute.
95 (nop): Fixed z10prop attribute.
96 (main_base_64): Fixed z10prop attribute.
97 (reload_base_64): Fixed z10prop attribute.
99 2009-01-28 Jakub Jelinek <jakub@redhat.com>
101 PR rtl-optimization/38740
102 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
104 * config/mips/mips.c (mips_reorg): Likewise.
106 2009-01-28 Richard Guenther <rguenther@suse.de>
108 PR tree-optimization/38926
109 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
110 with the correct value id to a value.
111 (do_regular_insertion): Use the value number of edoubleprime
112 for the value number of the expr.
115 2008-08-21 Richard Guenther <rguenther@suse.de>
117 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
118 a PHI ask VN if it is already available.
119 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
120 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
122 2009-01-28 Jakub Jelinek <jakub@redhat.com>
125 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
126 set to varying whenever max has TREE_OVERFLOW set, similarly
127 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
129 2009-01-28 Richard Guenther <rguenther@suse.de>
132 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
133 uninitialized aggregate uses in call arguments.
135 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
137 PR tree-optimization/38984
138 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
139 the nothing_id variable if -fno-delete-null-pointer-checks.
141 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
144 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
145 (set_got_offset_rex64): Ditto.
147 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
150 * doc/extend.texi: Improve local variable with asm reg.
152 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
154 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
155 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
156 was not supplied then set warn_packed_bitfield_compat to the
158 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
161 2009-01-27 Richard Guenther <rguenther@suse.de>
163 PR tree-optimization/38503
164 * cfgexpand.c (expand_gimple_basic_block): Ignore
165 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
166 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
167 variables that cannot have TBAA applied.
168 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
171 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
174 * calls.c (initialize_argument_information): Do not wrap complex
175 arguments in SAVE_EXPR.
177 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
179 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
180 (INSTALL_LIBGCC): Revert typo commit.
182 2009-01-26 Richard Guenther <rguenther@suse.de>
184 PR tree-optimization/38745
185 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
186 from special handling.
188 2009-01-26 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/38745
191 * tree-ssa.c (execute_update_addresses_taken): Do not include
192 variables that cannot possibly be a register in not_reg_needs.
193 Do not clear TREE_ADDRESSABLE on vars that may not become
195 * tree-ssa.c (update_alias_info_1): Include those in the set
198 2009-01-26 Richard Guenther <rguenther@suse.de>
201 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
202 * tree-ssa-dse.c: Include langhooks.h
203 (execute_simple_dse): Remove stores with zero size.
205 2009-01-24 Jakub Jelinek <jakub@redhat.com>
208 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
211 2009-01-24 Julian Brown <julian@codesourcery.com>
213 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
214 config/arm/linux-atomic.c.
215 * config/arm/linux-atomic.c: New.
217 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
219 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
220 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
221 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
223 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
226 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
229 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
231 PR tree-optimization/38953
232 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
233 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
234 (gloog): Split the exit of the scop when the scop exit is a loop exit.
235 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
238 2009-01-24 Paul Brook <paul@codesourcery.com>
240 * config/arm/neon.md (neon_type): Move to arm.md.
241 (neon_mov<VSTRUCT>): Add neon_type attribute.
242 * config/arm/arm.md (neon_type): Move to here.
243 (conds): Add "unconditioal" and use as default for NEON insns.
245 2009-01-24 Ben Elliston <bje@au.ibm.com>
247 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
248 void *' warning from -Wc++-compat.
249 * Makefile.in (dominance.o-warn): Remove.
251 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
253 PR tree-optimization/38932
254 * fold-const.c (fold_unary_ignore_overflow): New.
255 * tree.h (fold_unary_ignore_overflow): Declare.
256 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
257 * tree-ssa-sccvn.c (visit_reference_op_load,
258 simplify_unary_expression): Likewise.
260 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
262 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
263 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
264 regardless of their type.
265 * c-common.c (handle_packed_attribute): Don't ignore packed on
267 * c.opt (Wpacked-bitfield-compat): New warning option.
268 * stor-layout.c (place_field): Warn if offset of a field changed.
269 * doc/extend.texi (packed): Mention the ABI change.
270 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
271 (Warning Options): Add it to the list.
273 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
275 * c-opts.c (c_common_post_options): Fix a typo in comments.
277 2009-01-22 Steve Ellcey <sje@cup.hp.com>
280 * gimplify.c (gimplify_init_constructor): Fix promotion of const
282 * doc/invoke.texi (-fmerge-all-constants): Update description.
284 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
287 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
288 (*movdi_1_rex64): Use type "mmx" for alternative 5.
290 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
292 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
294 (LOCAL_ALIGNMENT): Similarly.
296 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
297 Joseph Myers <joseph@codesourcery.com>
299 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
300 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
301 * config/arm/arm-tune.md: Regenerate.
302 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
305 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
307 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
308 version number to five.
310 2009-01-22 Dodji Seketeli <dodji@redhat.com>
313 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
314 * c-common.c (set_underlying_type): Likewise.
315 (is_typedef_decl ): Likewise
317 (set_underlying_type): Likewise.
318 (is_typedef_type): Likewise.
320 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
323 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
326 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
329 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
330 (LIBGCC_SPEC): Don't define.
331 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
333 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
335 PR rtl-optimization/38879
336 * alias.c (base_alias_check): Unaligned access via AND address can
337 alias all surrounding object types except those with sizes equal
338 or wider than the size of unaligned access.
340 2009-01-21 Dodji Seketeli <dodji@redhat.com>
343 * c-decl.c: (clone_underlying_type): Move this ...
344 * c-common.c (set_underlying_type): ... here.
345 Also, make sure the function properly sets TYPE_STUB_DECL() on
346 the newly created typedef variant type.
347 (is_typedef_decl ): New entry point.
348 * tree.h: Added a new member member_types_needing_access_check to
349 struct tree_decl_non_common.
350 (set_underlying_type): New entry point.
351 (is_typedef_type): Likewise.
353 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
355 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
356 Check whether two instructions have memory references that
357 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
358 are helper functions for traversing.
359 * alias.h (insn_alias_sets_confilict_p): New prototypes.
360 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
361 not to draw dependency edge for instructions with non-conflicting
364 2009-01-20 Joseph Myers <joseph@codesourcery.com>
367 * longlong.h: Update copyright years. Use soft-fp license
368 notice. Sync __clz_tab declaration with glibc.
370 2009-01-20 Steve Ellcey <sje@cup.hp.com>
373 * doc/extend.texi (syscall_linkage): New.
374 (version_id): Modify.
376 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
377 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/38747
380 PR tree-optimization/38748
381 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
382 conversion if the base address is an indirect reference and the
383 aliasing sets could cause issues.
385 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
387 * common.opt (fgraphite, fgraphite-identity): Add comment for
388 explaining why these options are not documented.
390 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
392 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
393 gimple_call_lhs is NULL.
395 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
398 * emit-rtl.c (adjust_address_1): Make sure memref is never
401 2009-01-20 Ben Elliston <bje@au.ibm.com>
403 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
404 const qualifier from arg parameter. Remove unnecessary cast to char *.
405 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
406 const qualifier from arg 2.
408 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
410 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
412 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
415 * rtl.h (reinit_regs): New prototype.
416 * regclass.c: Include ira.h.
418 * Makefile.in (regclass.o): Add ira.h.
419 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
421 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
424 * c-common.c (handle_aligned_attribute): Use
425 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
426 default alignment value.
428 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
430 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
431 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
433 * doc/extend.texi: Update __attribute__ ((aligned)). Document
434 __BIGGEST_ALIGNMENT__.
436 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
438 2009-01-18 Richard Guenther <rguenther@suse.de>
440 PR tree-optimization/38819
441 * tree-flow.h (operation_could_trap_helper_p): Declare.
442 * tree-eh.c (operation_could_trap_helper_p): Export.
443 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
444 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
445 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
446 are about to insert a possibly trapping instruction and fail
449 2009-01-18 Andreas Schwab <schwab@suse.de>
451 * doc/install.texi (Configuration): Remove obsolete paragraph
452 about use of --with-gnu-ld with --with-gnu-as.
454 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
456 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
457 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
458 Follow spelling conventions.
460 2009-01-18 Ben Elliston <bje@au.ibm.com>
462 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
463 C++ warning about implicit conversion from void * to struct
465 (bitmap_obstack_free): Likewise for bitmap_element *.
466 * Makefile.in (bitmap.o-warn): Remove.
468 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
470 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
472 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
473 Tobias Grosser <tobi.grosser@amd.com>
475 * graphite.c (graphite_trans_scop_block): Do not block single
478 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
480 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
481 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
484 2009-01-16 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/38835
488 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
489 and INT + PTR -> (INT)(PTR p+ INT) folding.
490 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
492 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
495 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
496 the subreg from a lowpart subreg if it is also casting the value.
498 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
499 Tobias Grosser <tobi.grosser@amd.com>
501 * graphite.c (compare_prefix_loops): New.
502 (build_scop_canonical_schedules): Rewritten.
503 (graphite_transform_loops): Move build_scop_canonical_schedules
504 after build_scop_iteration_domain.
506 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
507 Tobias Grosser <tobi.grosser@amd.com>
509 * graphite.c (add_conditions_to_domain): Add the loops to
510 the dimension of the iteration domain. Do copy the domain
512 (build_scop_conditions_1): Do not call add_conditions_to_domain.
513 (add_conditions_to_constraints): New.
514 (can_generate_code_stmt, can_generate_code): Removed.
515 (gloog): Do not call can_generate_code.
516 (graphite_transform_loops): Call add_conditions_to_constraints
517 after building the iteration domain.
519 2009-01-16 Jakub Jelinek <jakub@redhat.com>
521 PR tree-optimization/38789
522 * tree-ssa-threadedge.c
523 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
524 __builtin_constant_p.
526 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
528 * dce.c (delete_unmarked_insns): Reversed the order that insns are
529 examined before deleting them.
531 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
533 * function.c (aggregate_value_p): Correctly extract the function
534 type from CALL_EXPR_FN lookup.
536 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
538 * config/picochip/picochip.c (picochip_override_options): Revert
539 CFI asm flag disable commited previously.
541 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
542 Tobias Grosser <tobi.grosser@amd.com>
543 Jan Sjodin <jan.sjodin@amd.com>
545 * graphite.c (scan_tree_for_params): On substractions negate
546 all the coefficients of the term.
547 (clast_to_gcc_expression_red): New. Handle reduction expressions
548 of more than two operands.
549 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
550 (get_vdef_before_scop): Handle also the case of default definitions.
552 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
554 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
555 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
556 Also use them when walking CALL_INSN_FUNCTION_USAGE.
558 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
559 Joey Ye <joey.ye@intel.com>
562 * cfgexpand.c (expand_stack_alignment): Don't update stack
563 boundary nor check incoming stack boundary here.
564 (gimple_expand_cfg): Update stack boundary and check incoming
567 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
569 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
571 2009-01-14 Jakub Jelinek <jakub@redhat.com>
573 PR rtl-optimization/38245
574 * calls.c (expand_call): Add stack arguments to
575 CALL_INSN_FUNCTION_USAGE even for pure calls (when
576 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
577 in regs and partially in memory or BLKmode arguments.
578 (emit_library_call_value_1): Add stack arguments to
579 CALL_INSN_FUNCTION_USAGE even for pure calls (when
580 ACCUMULATE_OUTGOING_ARGS).
581 * dce.c: Include tm_p.h.
582 (find_call_stack_args): New function.
583 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
585 (mark_insn): Call find_call_stack_args for CALL_Ps.
586 (prescan_insns_for_dce): Walk insns backwards in bb rather than
587 forwards. Allocate and free arg_stores bitmap if needed, pass it
588 down to deletable_insn_p, don't mark stores set in arg_stores
589 bitmap, clear the bitmap at the beginning of each bb.
590 * Makefile.in (dce.o): Depend on $(TM_P_H).
592 2009-01-14 Michael Meissner <gnu@the-meissners.org>
595 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
596 to make sure the insn is a conditional test (bug 22599). Reformat a
599 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
602 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
603 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
604 (gloog): Do not call cleanup_tree_cfg.
605 (graphite_transform_loops): Call cleanup_tree_cfg after all
606 scops have been code generated.
608 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
609 * doc/gty.texi (Invoking the garbage collector): Added new node
610 and section documenting ggc_collect.
612 2009-01-14 Richard Guenther <rguenther@suse.de>
614 PR tree-optimization/38826
616 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
617 initialization notes only if we actually emitted a warning.
618 (intra_create_variable_infos): Add constraints for a result decl
619 that is passed by hidden reference.
620 (build_pred_graph): Mark all related variables non-direct on
623 2009-01-14 Nick Clifton <nickc@redhat.com>
625 * ira-conflicts.c: Include addresses.h for the definition of
627 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
628 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
630 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
633 * Makefile.in (ira-lives.o): Add except.h.
635 * ira-lives.c: Include except.h.
636 (process_bb_node_lives): Process can_throw_internal.
638 2009-01-13 Jakub Jelinek <jakub@redhat.com>
640 PR rtl-optimization/38774
641 * combine.c (simplify_set): When undoing cc_use change, don't do
642 PUT_CODE on the newly created comparison, but instead put back the
645 2009-01-13 Joseph Myers <joseph@codesourcery.com>
647 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
648 values. Remove duplicate arm8 entry.
650 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
652 PR tree-optimization/38786
653 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
654 the SSA_NAME case of expand_scalar_variables_expr.
655 Set the type of an expression to the type of its assign statement.
656 (expand_scalar_variables_expr): Also gather the scalar computation
657 used to index the memory access. Do not pass loop_p.
658 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
659 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
660 the gimple_stmt_iterator where it inserts new code.
662 (copy_bb_and_scalar_dependences): Do not pass loop_p.
663 (translate_clast): Update call to copy_bb_and_scalar_dependences.
665 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
667 * graphite.h (debug_value): Removed.
668 * graphite.c (debug_value): Removed.
670 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
672 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
673 ldrd/strd with two 32-bit instructions.
675 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
677 * config/arm/arm.c (struct processors): Pass for speed down into
678 cost helper functions.
679 (const_ok_for_op): Handle COMPARE and inequality nodes.
680 (arm_rtx_costs_1): Rewrite.
681 (arm_size_rtx_costs): Update prototype.
682 (arm_rtx_costs): Pass speed down to helper functions.
683 (arm_slowmul_rtx_costs): Rework cost calculations.
684 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
685 (arm_9e_rtx_costs): Likewise.
687 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
689 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
690 relocations of local symbols wider than UNITS_PER_WORD are not valid.
691 (alpha_legitimize_address): Do not split local symbols wider than
692 UNITS_PER_WORD into HIGH/LO_SUM parts.
694 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
697 * gcc.c (process_command): Replace call to execvp with calls
700 2009-01-03 Anatoly Sokolov <aesok@post.ru>
703 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
704 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
705 variant for devices with 3-byte PC.
706 (__tablejump_elpm__) : New.
708 2009-01-12 Jakub Jelinek <jakub@redhat.com>
711 * c-parser.c (c_parser_postfix_expression): Allow `->' in
712 offsetof member-designator, handle it as `[0].'.
714 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
716 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
717 function when not using named sections on targets with named sections
718 if branch distance is less than 262132.
720 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
722 * combine.c (combine_instructions): Recompute
723 optimize_this_for_speed_p for each BB in the main combine loop.
725 2009-01-12 Tomas Bily <tbily@suse.cz>
728 * tree-loop-distribution.c (prop_phis): New function.
729 (generate_builtin): Call prop_phis.
730 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
732 2009-01-12 Jakub Jelinek <jakub@redhat.com>
734 PR tree-optimization/38807
735 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
736 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
738 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
740 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
741 subreg of op0 to the original op0.
743 2009-01-11 Laurent GUERBY <laurent@guerby.net>
745 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
747 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
750 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
751 starting with digits.
753 2009-01-10 Jakub Jelinek <jakub@redhat.com>
756 * config/arm/arm.c (arm_is_long_call_p): Don't call
757 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
759 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
761 * regrename.c (regrename_optimize): Fix dumping.
762 (find_oldest_value_reg): Preserve REG_POINTER.
763 (copy_hardreg_forward_1): Likewise.
765 2009-01-09 Diego Novillo <dnovillo@google.com>
767 * gimple.h (struct gimple_statement_base)<uid>: Document
768 the restrictions on its use.
770 (gimple_set_uid): Tidy.
772 2009-01-09 Jakub Jelinek <jakub@redhat.com>
774 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
775 zero guard even if align_bytes != 0 and count is smaller than
778 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
780 PR rtl-optimization/38495
781 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
782 (add_range_and_copies_from_move_list): Print all added ranges.
783 Add ranges to memory optimized destination.
785 2009-01-09 Jakub Jelinek <jakub@redhat.com>
789 * config/i386/i386.c (override_options): Reject
790 -mstringop-strategy=rep_8byte with -m32.
791 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
792 to 1. Do count comparison against epilogue_size_needed at compile
793 time even when count_exp was constant forced into register. For
794 size_needed don't jump to epilogue, instead just avoid aligning
795 and invoke the body algorithm. If need_zero_guard, add zero guard
796 even if count is non-zero, but smaller than size_needed + number of
797 bytes that could be stored for alignment.
798 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
799 to 1. If need_zero_guard, add zero guard even if count is non-zero,
800 but smaller than size_needed + number of bytes that could be stored
801 for alignment. Compare size_needed with epilogue_size_needed instead
802 of desired_align - align, don't adjust size_needed, pass
803 epilogue_size_needed to the epilogue expanders.
806 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
808 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
810 * pa.c (last_address): Change to unsigned.
811 (update_total_code_bytes): Change argument to unsigned. Don't
812 check if insn addresses are set.
813 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
814 addresses are not set.
815 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
817 2009-01-09 Nick Clifton <nickc@redhat.com>
819 * config/sh/symbian.c: Replace uses of DECL_INLINE with
820 DECL_DECLARED_INLINE_P.
822 2009-01-09 Jakub Jelinek <jakub@redhat.com>
825 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
826 GET_MODE (op0) in operand_subword_force calls.
829 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
830 fold_convert arg0 operands to TREE_TYPE (op0) first.
832 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
834 * params.def (ira-max-conflict-table-size): Decrease default value
837 2009-01-08 Jakub Jelinek <jakub@redhat.com>
839 PR tree-optimization/37031
840 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
842 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
843 allocate it using gc instead of heap, use VEC_quick_push instead of
845 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
846 instead of heap, use VEC_quick_push instead of VEC_safe_push.
847 * tree-data-ref.h (struct access_matrix): Change matrix to gc
848 allocated vector from heap allocated.
849 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
850 * tree-loop-linear.c (linear_transform_loops): Allocate nest
851 vector only after perfect_loop_nest_depth call.
853 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
854 Jan Sjodin <jan.sjodin@amd.com>
856 PR tree-optimization/38559
857 * graphite.c (debug_value, copy_constraint,
858 swap_constraint_variables, scale_constraint_variable, ): New.
859 (get_lower_bound, get_upper_bound): Removed.
860 (graphite_trans_bb_strip_mine): Clean up this code that works
861 only for constant number of iterations. Fully copy upper and
862 lower bound constraints, not only the constant part of them.
863 * graphite.h (debug_value): Declared.
865 2009-01-08 Ira Rosen <irar@il.ibm.com>
867 PR tree-optimization/37194
868 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
869 Don't add the cost of cost model guard in prologue to scalar
870 outside cost in case of known number of iterations.
872 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
873 Alan Modra <amodra@bigpond.net.au>
875 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
876 non-word-aligned REG+CONST addressing.
878 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
881 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
882 free_after_compilation when outputting a thunk.
883 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
884 Do not call free_after_compilation here.
886 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
888 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
889 (ix86_valid_target_attribute_inner_p): Ditto.
891 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
893 PR tree-optimization/38492
894 PR tree-optimization/38498
895 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
896 * tree-chrec.h (scev_is_linear_expression): Declared.
897 * graphite.c (graphite_cannot_represent_loop_niter): New.
898 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
899 (graphite_loop_normal_form): Use gcc_assert.
900 (scan_tree_for_params): Use CASE_CONVERT.
901 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
902 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
903 Use gcc_assert. Discard scops that contain unhandled cases.
904 (build_scop_conditions): Return a boolean status for unhandled cases.
905 (strip_mine_profitable_p): Print the loop number, not its depth.
906 (is_interchange_valid): Pass the depth of the loop nest, don't
907 recompute it wrongly.
908 (graphite_trans_bb_block): Same.
909 (graphite_trans_bb_block): Print tentative of loop blocking.
910 (graphite_trans_scop_block): Do not print that the loop has been
912 (graphite_transform_loops): Do not handle scops that contain condition
915 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
917 AVX Programming Reference (December, 2008)
918 * config/i386/avxintrin.h (_mm256_stream_si256): New.
919 (_mm256_stream_pd): Likewise.
920 (_mm256_stream_ps): Likewise.
922 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
923 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
924 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
925 (bdesc_special_args): Add __builtin_ia32_movntdq256,
926 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
927 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
928 (ix86_expand_special_args_builtin): Likewise.
930 * config/i386/sse.md (AVXMODEDI): New.
931 (avx_movnt<mode>): Likewise.
932 (avx_movnt<mode>): Likewise.
933 (<sse>_movnt<mode>): Remove AVX support.
934 (sse2_movntv2di): Likewise.
936 2009-01-07 Richard Guenther <rguenther@suse.de>
939 * fold-const.c (extract_muldiv): Remove obsolete comment.
940 (fold_plusminus_mult_expr): Undo MINUS_EXPR
941 to PLUS_EXPR canonicalization for the canonicalization.
943 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
945 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
946 hosted cross-compilers generating less efficient code.
948 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
950 * function.h (rtl_data): Add a dbr_scheduled_p field.
951 * reorg.c (dbr_schedule): Set it.
952 (gate_handle_delay_slots): Check it.
953 * config/mips/mips.c (mips_base_delayed_branch): Delete.
954 (mips_reorg): Check flag_delayed_branch instead of
955 mips_base_delayed_branch.
956 (mips_override_options): Don't set mips_base_delayed_branch
957 or flag_delayed_branch.
959 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
961 PR rtl-optimization/38426.
962 * ira.c (ira): Set current_function_is_leaf earlier.
964 2009-01-06 Jakub Jelinek <jakub@redhat.com>
966 PR rtl-optimization/38722
967 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
968 too early, only set a flag and modify after last possible
971 2009-01-06 Janis Johnson <janis187@us.ibm.com>
974 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
975 * real.c (decimal_single_format): Correct values of emin and emax.
976 (decimal_double_format): Ditto.
977 (decimal_quad_format): Ditto.
978 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
979 computation of DECnn_MIN and DECnn_MAX for corrected values of
980 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
981 __DECnn_MIN__, and adjust its computation for the corrected value
984 2009-01-06 Jan Hubicka <jh@suse.cz>
987 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
989 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
991 * doc/contrib.texi (Contributors): Slightly adjust the end note.
992 Add Robert Clark to the list of testers.
994 2009-01-06 Jan Hubicka <jh@suse.cz>
995 Kai Tietz <kai.tietz@onevision.com>
997 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
998 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1000 2009-01-06 Jan Hubicka <jh@suse.cz>
1001 Kai Tietz <kai.tietz@onevision.com>
1003 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1005 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1006 (ix86_nsaved_regs): Count only general purpose regs.
1007 (ix86_nsaved_sseregs): New.
1008 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1009 to 16 for w64; compute padding and size of sse reg save area.
1010 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1011 general purpose regs.
1012 (ix86_emit_save_sse_regs_using_mov): New.
1013 (ix86_expand_prologue): Save SSE regs if needed.
1014 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1015 (ix86_emit_restore_sse_regs_using_mov): New.
1016 (ix86_expand_epilogue): Save SSE regs if needed.
1018 2009-01-06 Jan Hubicka <jh@suse.cz>
1019 Kai Tietz <kai.tietz@onevision.com>
1021 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1022 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1023 functions when accumulate outgoing args is off.
1025 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1028 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1029 before using pseudos_have_intersected_live_ranges_p.
1031 * ira-int.h (ira_assert): Always define.
1033 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1035 AVX Programming Reference (December, 2008)
1036 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1037 (_mm256_permute2_pd): Likewise.
1038 (_mm_permute2_ps): Likewise.
1039 (_mm256_permute2_ps): Likewise.
1040 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1041 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1043 * config/i386/i386.c (ix86_builtins): Remove
1044 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1045 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1046 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1047 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1048 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1049 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1050 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1051 __builtin_ia32_vpermil2ps256.
1052 (ix86_init_mmx_sse_builtins): Updated.
1053 (ix86_expand_args_builtin): Likewise.
1055 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1057 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1058 long absolute calls when generating PA 2.0 code.
1060 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1062 PR rtl-optimization/38583
1063 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1065 * params.def (ira-max-conflict-table-size): New.
1067 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1069 * ira.h (ira_conflicts_p): New external definition.
1071 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1072 table. Report this. Return result of building.
1073 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1074 building conflict table.
1076 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1077 (ira_color): Use ira_conflicts_p.
1079 * global.c: Include ira.h.
1080 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1083 * Makefile.in (global.o): Add ira.h.
1085 * ira-build.c (mark_all_loops_for_removal,
1086 propagate_some_info_from_allocno): New.
1087 (remove_unnecessary_allocnos): Call
1088 propagate_some_info_from_allocno.
1089 (remove_low_level_allocnos): New.
1090 (remove_unnecessary_regions): Add parameter. Call
1091 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1092 parameter to remove_unnecessary_regions.
1093 (ira_build): Remove all regions but root if the conflict table was
1094 not built. Update conflict hard regs for allocnos crossing calls.
1096 * ira.c (ira_conflicts_p): New global.
1097 (ira): Define and use ira_conflicts_p.
1099 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1100 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1101 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1103 2009-01-06 Ben Elliston <bje@au.ibm.com>
1105 * gengtype-lex.l (YY_NO_INPUT): Define.
1107 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1110 * c-common.c (handle_vector_size_attribute): Also reject
1113 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1115 PR tree-optimization/38492
1116 * graphite.c (rename_map_elt, debug_rename_elt,
1117 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1118 rename_map_elt_info, eq_rename_map_elts,
1119 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1120 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1121 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1122 (sese_build_livein_liveouts): New.
1123 (new_sese, free_sese): New.
1124 (new_scop): Call new_sese.
1125 (free_scop): Call free_sese.
1126 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1127 (register_old_new_names): Renamed register_old_and_new_names.
1128 (register_scop_liveout_renames, add_loop_exit_phis,
1129 insert_loop_close_phis, struct igp,
1130 default_liveout_before_guard, add_guard_exit_phis,
1131 insert_guard_phis, copy_renames): New.
1132 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1133 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1134 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1135 (scop_adjust_phis_for_liveouts): New.
1136 (gloog): Call scop_adjust_phis_for_liveouts.
1138 * graphite.h (struct sese): Documented. Added fields liveout,
1140 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1141 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1142 (struct scop): Added field liveout_renames.
1143 (SCOP_LIVEOUT_RENAMES): New.
1145 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1147 PR tree-optimization/38510
1148 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1149 (translate_clast): Call recompute_all_dominators before
1151 (gloog): Call recompute_all_dominators before graphite_verify.
1153 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1154 Jan Sjodin <jan.sjodin@amd.com>
1156 PR tree-optimization/38500
1157 * graphite.c (create_sese_edges): Call fix_loop_structure after
1160 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1162 * config.gcc: Add m32r*-*-rtems*.
1163 * config/m32r/rtems.h: New file.
1165 2009-01-05 Ben Elliston <bje@au.ibm.com>
1167 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1168 (.po.pox): Likewise.
1169 (po/gcc.pot): Likewise.
1171 2009-01-04 David S. Miller <davem@davemloft.net>
1173 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1174 (STARTING_FRAME_OFFSET): Always set to zero.
1176 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1178 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1179 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1180 fixed-point types, and vectors of the same.
1182 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1184 * config/mips/sync.md (*mb_barrier): Rename to...
1185 (*memory_barrier): ...this.
1187 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1189 * doc/extend.texi (Function Attributes): Move @cindex after @item
1190 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1191 and put in alphabetical order. Fix 'target' name and put in order.
1192 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1195 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1197 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1198 (memory_barrier): Expand as unspec instead of unspec_volatile.
1199 Remove mem:BLK from insn operands. Use Pmode scratch register.
1200 (*memory_barrier): Define as unspec instead of unspec_volatile.
1201 Use (match_dup 0) as input operand.
1203 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1204 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1205 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1206 scratch register. Remove operand 1.
1207 (*stbar): Define as unspec instead of unspec_volatile.
1208 Use (match_dup 0) as input operand, remove (const_int 8).
1209 (*membar): Define as unspec instead of unspec_volatile.
1210 Use (match_dup 0) as input operand, remove input operand 2.
1212 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1213 (memory_barrier): Expand as unspec instead of unspec_volatile.
1214 Remove mem:BLK from insn operands. Use Pmode scratch register.
1215 (*memory_barrier): Define as unspec instead of unspec_volatile.
1216 Use (match_dup 0) as input operand.
1218 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1219 Remove mem:BLK from insn operands. Use Pmode scratch register.
1220 Set volatile flag on operand 0.
1221 (*memory_barrier): New insn pattern.
1223 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1225 (*memory_barrier): Use (match_dup 0) as input operand.
1227 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1228 Remove mem:BLK from insn operands. Use Pmode scratch register.
1229 Set volatile flag on operand 0.
1230 (*mb_internal): New insn pattern.
1232 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1234 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1237 * function.c (struct temp_slot): Move to the section of the file
1238 that deals with temp slots. Remove field 'address'.
1239 (temp_slot_address_table): New hash table of address -> temp slot.
1240 (struct temp_slot_address_entry): New struct, items for the table.
1241 (temp_slot_address_compute_hash, temp_slot_address_hash,
1242 temp_slot_address_eq, insert_temp_slot_address): Support functions
1244 (find_temp_slot_from_address): Rewrite to use the new hash table.
1245 (remove_unused_temp_slot_addresses): Remove addresses of temp
1246 slots that have been made available.
1247 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1248 worker function for remove_unused_temp_slot_addresses.
1249 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1250 Add the temp slot address to the address -> temp slot map.
1251 (update_temp_slot_address): Update via insert_temp_slot_address.
1252 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1253 (pop_temp_slots): Likewise.
1254 (init_temp_slots): Allocate the address -> temp slot map, or empty
1255 the map if it is already allocated.
1256 (prepare_function_start): Initialize temp slot processing.
1258 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1261 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1262 Calculate the size of all stack vars assuming no packing of stack
1263 vars will happen, replacing a quadratic algorithm with a linear one.
1265 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1268 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1271 2009-01-03 Diego Novillo <dnovillo@google.com>
1273 * doc/contrib.texi: Update contributions.
1275 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1278 * builtins.c (fold_builtin_memory_op): Give up if either operand
1279 is volatile. Set srctype or desttype to non-qualified version
1283 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1286 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1288 PR rtl-optimization/35805
1289 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1290 problem if fast dce is able to remove any instructions.
1291 * dce.c (dce_process_block): Fix dump message.
1293 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1296 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1298 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1301 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1302 * tree-pretty-print.c (op_code_prio): New function.
1303 (op_prio): No longer static. Use op_code_prio.
1304 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1305 Use op_prio and op_code_prio to determine if () should be
1306 printed around operand(s) or not.
1308 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1309 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1310 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1311 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1312 pp_character instead of pp_string for single letter printing.
1314 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1316 * doc/extend.texi: Fix '#pragma GCC option' typo.
1318 2009-01-02 Richard Guenther <rguenther@suse.de>
1320 * doc/install.texi (--enable-checking): Mention different
1322 (--enable-stage1-checking): Document.
1324 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1327 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1328 case to be an error.
1330 2009-01-02 Ben Elliston <bje@au.ibm.com>
1332 * config/fp-bit.h (pack_d): Constify argument.
1333 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1334 (isnan): Constify argument.
1338 (_fpadd_parts): Constify return type.
1339 (_fpmul_parts): Likewise.
1340 (_fpdiv_parts): Likewise.
1342 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1345 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1346 warn about overwriting initializer with side-effects or
1347 -Woverride-init if !IMPLICIT.
1348 (output_init_element): Likewise. Pass IMPLICIT down to
1350 (process_init_element): Add IMPLICIT argument. Pass it down
1351 to output_init_element.
1352 (push_init_element, pop_init_level, set_designator): Adjust
1353 process_init_element callers.
1354 (set_nonincremental_init, set_nonincremental_init_from_string):
1355 Adjust add_pending_init callers.
1356 (output_pending_init_elements): Adjust output_init_element callers.
1357 * c-tree.h (process_init_element): Adjust prototype.
1358 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1359 process_init_element callers.