1 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3 PR rtl-optimization/38740
4 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6 * config/mips/mips.c (mips_reorg): Likewise.
8 2009-01-28 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/38926
11 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
12 with the correct value id to a value.
13 (do_regular_insertion): Use the value number of edoubleprime
14 for the value number of the expr.
17 2008-08-21 Richard Guenther <rguenther@suse.de>
19 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
20 a PHI ask VN if it is already available.
21 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
22 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
24 2009-01-28 Jakub Jelinek <jakub@redhat.com>
27 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
28 set to varying whenever max has TREE_OVERFLOW set, similarly
29 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
31 2009-01-28 Richard Guenther <rguenther@suse.de>
34 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
35 uninitialized aggregate uses in call arguments.
37 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
39 PR tree-optimization/38984
40 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
41 the nothing_id variable if -fno-delete-null-pointer-checks.
43 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
46 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
47 (set_got_offset_rex64): Ditto.
49 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
52 * doc/extend.texi: Improve local variable with asm reg.
54 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
56 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
57 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
58 was not supplied then set warn_packed_bitfield_compat to the
60 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
63 2009-01-27 Richard Guenther <rguenther@suse.de>
65 PR tree-optimization/38503
66 * cfgexpand.c (expand_gimple_basic_block): Ignore
67 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
68 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
69 variables that cannot have TBAA applied.
70 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
73 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
76 * calls.c (initialize_argument_information): Do not wrap complex
77 arguments in SAVE_EXPR.
79 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
81 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
82 (INSTALL_LIBGCC): Revert typo commit.
84 2009-01-26 Richard Guenther <rguenther@suse.de>
86 PR tree-optimization/38745
87 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
88 from special handling.
90 2009-01-26 Richard Guenther <rguenther@suse.de>
92 PR tree-optimization/38745
93 * tree-ssa.c (execute_update_addresses_taken): Do not include
94 variables that cannot possibly be a register in not_reg_needs.
95 Do not clear TREE_ADDRESSABLE on vars that may not become
97 * tree-ssa.c (update_alias_info_1): Include those in the set
100 2009-01-26 Richard Guenther <rguenther@suse.de>
103 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
104 * tree-ssa-dse.c: Include langhooks.h
105 (execute_simple_dse): Remove stores with zero size.
107 2009-01-24 Jakub Jelinek <jakub@redhat.com>
110 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
113 2009-01-24 Julian Brown <julian@codesourcery.com>
115 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
116 config/arm/linux-atomic.c.
117 * config/arm/linux-atomic.c: New.
119 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
121 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
122 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
123 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
125 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
128 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
131 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
133 PR tree-optimization/38953
134 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
135 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
136 (gloog): Split the exit of the scop when the scop exit is a loop exit.
137 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
140 2009-01-24 Paul Brook <paul@codesourcery.com>
142 * config/arm/neon.md (neon_type): Move to arm.md.
143 (neon_mov<VSTRUCT>): Add neon_type attribute.
144 * config/arm/arm.md (neon_type): Move to here.
145 (conds): Add "unconditioal" and use as default for NEON insns.
147 2009-01-24 Ben Elliston <bje@au.ibm.com>
149 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
150 void *' warning from -Wc++-compat.
151 * Makefile.in (dominance.o-warn): Remove.
153 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
155 PR tree-optimization/38932
156 * fold-const.c (fold_unary_ignore_overflow): New.
157 * tree.h (fold_unary_ignore_overflow): Declare.
158 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
159 * tree-ssa-sccvn.c (visit_reference_op_load,
160 simplify_unary_expression): Likewise.
162 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
164 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
165 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
166 regardless of their type.
167 * c-common.c (handle_packed_attribute): Don't ignore packed on
169 * c.opt (Wpacked-bitfield-compat): New warning option.
170 * stor-layout.c (place_field): Warn if offset of a field changed.
171 * doc/extend.texi (packed): Mention the ABI change.
172 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
173 (Warning Options): Add it to the list.
175 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
177 * c-opts.c (c_common_post_options): Fix a typo in comments.
179 2009-01-22 Steve Ellcey <sje@cup.hp.com>
182 * gimplify.c (gimplify_init_constructor): Fix promotion of const
184 * doc/invoke.texi (-fmerge-all-constants): Update description.
186 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
189 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
190 (*movdi_1_rex64): Use type "mmx" for alternative 5.
192 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
194 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
196 (LOCAL_ALIGNMENT): Similarly.
198 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
199 Joseph Myers <joseph@codesourcery.com>
201 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
202 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
203 * config/arm/arm-tune.md: Regenerate.
204 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
207 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
209 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
210 version number to five.
212 2009-01-22 Dodji Seketeli <dodji@redhat.com>
215 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
216 * c-common.c (set_underlying_type): Likewise.
217 (is_typedef_decl ): Likewise
219 (set_underlying_type): Likewise.
220 (is_typedef_type): Likewise.
222 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
225 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
228 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
231 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
232 (LIBGCC_SPEC): Don't define.
233 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
235 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
237 PR rtl-optimization/38879
238 * alias.c (base_alias_check): Unaligned access via AND address can
239 alias all surrounding object types except those with sizes equal
240 or wider than the size of unaligned access.
242 2009-01-21 Dodji Seketeli <dodji@redhat.com>
245 * c-decl.c: (clone_underlying_type): Move this ...
246 * c-common.c (set_underlying_type): ... here.
247 Also, make sure the function properly sets TYPE_STUB_DECL() on
248 the newly created typedef variant type.
249 (is_typedef_decl ): New entry point.
250 * tree.h: Added a new member member_types_needing_access_check to
251 struct tree_decl_non_common.
252 (set_underlying_type): New entry point.
253 (is_typedef_type): Likewise.
255 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
257 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
258 Check whether two instructions have memory references that
259 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
260 are helper functions for traversing.
261 * alias.h (insn_alias_sets_confilict_p): New prototypes.
262 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
263 not to draw dependency edge for instructions with non-conflicting
266 2009-01-20 Joseph Myers <joseph@codesourcery.com>
269 * longlong.h: Update copyright years. Use soft-fp license
270 notice. Sync __clz_tab declaration with glibc.
272 2009-01-20 Steve Ellcey <sje@cup.hp.com>
275 * doc/extend.texi (syscall_linkage): New.
276 (version_id): Modify.
278 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
279 Richard Guenther <rguenther@suse.de>
281 PR tree-optimization/38747
282 PR tree-optimization/38748
283 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
284 conversion if the base address is an indirect reference and the
285 aliasing sets could cause issues.
287 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
289 * common.opt (fgraphite, fgraphite-identity): Add comment for
290 explaining why these options are not documented.
292 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
294 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
295 gimple_call_lhs is NULL.
297 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
300 * emit-rtl.c (adjust_address_1): Make sure memref is never
303 2009-01-20 Ben Elliston <bje@au.ibm.com>
305 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
306 const qualifier from arg parameter. Remove unnecessary cast to char *.
307 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
308 const qualifier from arg 2.
310 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
312 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
314 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
317 * rtl.h (reinit_regs): New prototype.
318 * regclass.c: Include ira.h.
320 * Makefile.in (regclass.o): Add ira.h.
321 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
323 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
326 * c-common.c (handle_aligned_attribute): Use
327 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
328 default alignment value.
330 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
332 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
333 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
335 * doc/extend.texi: Update __attribute__ ((aligned)). Document
336 __BIGGEST_ALIGNMENT__.
338 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
340 2009-01-18 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/38819
343 * tree-flow.h (operation_could_trap_helper_p): Declare.
344 * tree-eh.c (operation_could_trap_helper_p): Export.
345 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
346 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
347 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
348 are about to insert a possibly trapping instruction and fail
351 2009-01-18 Andreas Schwab <schwab@suse.de>
353 * doc/install.texi (Configuration): Remove obsolete paragraph
354 about use of --with-gnu-ld with --with-gnu-as.
356 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
358 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
359 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
360 Follow spelling conventions.
362 2009-01-18 Ben Elliston <bje@au.ibm.com>
364 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
365 C++ warning about implicit conversion from void * to struct
367 (bitmap_obstack_free): Likewise for bitmap_element *.
368 * Makefile.in (bitmap.o-warn): Remove.
370 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
372 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
374 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
375 Tobias Grosser <tobi.grosser@amd.com>
377 * graphite.c (graphite_trans_scop_block): Do not block single
380 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
382 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
383 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
386 2009-01-16 Richard Guenther <rguenther@suse.de>
388 PR tree-optimization/38835
390 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
391 and INT + PTR -> (INT)(PTR p+ INT) folding.
392 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
394 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
397 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
398 the subreg from a lowpart subreg if it is also casting the value.
400 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
401 Tobias Grosser <tobi.grosser@amd.com>
403 * graphite.c (compare_prefix_loops): New.
404 (build_scop_canonical_schedules): Rewritten.
405 (graphite_transform_loops): Move build_scop_canonical_schedules
406 after build_scop_iteration_domain.
408 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
409 Tobias Grosser <tobi.grosser@amd.com>
411 * graphite.c (add_conditions_to_domain): Add the loops to
412 the dimension of the iteration domain. Do copy the domain
414 (build_scop_conditions_1): Do not call add_conditions_to_domain.
415 (add_conditions_to_constraints): New.
416 (can_generate_code_stmt, can_generate_code): Removed.
417 (gloog): Do not call can_generate_code.
418 (graphite_transform_loops): Call add_conditions_to_constraints
419 after building the iteration domain.
421 2009-01-16 Jakub Jelinek <jakub@redhat.com>
423 PR tree-optimization/38789
424 * tree-ssa-threadedge.c
425 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
426 __builtin_constant_p.
428 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
430 * dce.c (delete_unmarked_insns): Reversed the order that insns are
431 examined before deleting them.
433 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
435 * function.c (aggregate_value_p): Correctly extract the function
436 type from CALL_EXPR_FN lookup.
438 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
440 * config/picochip/picochip.c (picochip_override_options): Revert
441 CFI asm flag disable commited previously.
443 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
444 Tobias Grosser <tobi.grosser@amd.com>
445 Jan Sjodin <jan.sjodin@amd.com>
447 * graphite.c (scan_tree_for_params): On substractions negate
448 all the coefficients of the term.
449 (clast_to_gcc_expression_red): New. Handle reduction expressions
450 of more than two operands.
451 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
452 (get_vdef_before_scop): Handle also the case of default definitions.
454 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
456 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
457 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
458 Also use them when walking CALL_INSN_FUNCTION_USAGE.
460 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
461 Joey Ye <joey.ye@intel.com>
464 * cfgexpand.c (expand_stack_alignment): Don't update stack
465 boundary nor check incoming stack boundary here.
466 (gimple_expand_cfg): Update stack boundary and check incoming
469 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
471 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
473 2009-01-14 Jakub Jelinek <jakub@redhat.com>
475 PR rtl-optimization/38245
476 * calls.c (expand_call): Add stack arguments to
477 CALL_INSN_FUNCTION_USAGE even for pure calls (when
478 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
479 in regs and partially in memory or BLKmode arguments.
480 (emit_library_call_value_1): Add stack arguments to
481 CALL_INSN_FUNCTION_USAGE even for pure calls (when
482 ACCUMULATE_OUTGOING_ARGS).
483 * dce.c: Include tm_p.h.
484 (find_call_stack_args): New function.
485 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
487 (mark_insn): Call find_call_stack_args for CALL_Ps.
488 (prescan_insns_for_dce): Walk insns backwards in bb rather than
489 forwards. Allocate and free arg_stores bitmap if needed, pass it
490 down to deletable_insn_p, don't mark stores set in arg_stores
491 bitmap, clear the bitmap at the beginning of each bb.
492 * Makefile.in (dce.o): Depend on $(TM_P_H).
494 2009-01-14 Michael Meissner <gnu@the-meissners.org>
497 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
498 to make sure the insn is a conditional test (bug 22599). Reformat a
501 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
504 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
505 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
506 (gloog): Do not call cleanup_tree_cfg.
507 (graphite_transform_loops): Call cleanup_tree_cfg after all
508 scops have been code generated.
510 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
511 * doc/gty.texi (Invoking the garbage collector): Added new node
512 and section documenting ggc_collect.
514 2009-01-14 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/38826
518 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
519 initialization notes only if we actually emitted a warning.
520 (intra_create_variable_infos): Add constraints for a result decl
521 that is passed by hidden reference.
522 (build_pred_graph): Mark all related variables non-direct on
525 2009-01-14 Nick Clifton <nickc@redhat.com>
527 * ira-conflicts.c: Include addresses.h for the definition of
529 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
530 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
532 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
535 * Makefile.in (ira-lives.o): Add except.h.
537 * ira-lives.c: Include except.h.
538 (process_bb_node_lives): Process can_throw_internal.
540 2009-01-13 Jakub Jelinek <jakub@redhat.com>
542 PR rtl-optimization/38774
543 * combine.c (simplify_set): When undoing cc_use change, don't do
544 PUT_CODE on the newly created comparison, but instead put back the
547 2009-01-13 Joseph Myers <joseph@codesourcery.com>
549 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
550 values. Remove duplicate arm8 entry.
552 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
554 PR tree-optimization/38786
555 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
556 the SSA_NAME case of expand_scalar_variables_expr.
557 Set the type of an expression to the type of its assign statement.
558 (expand_scalar_variables_expr): Also gather the scalar computation
559 used to index the memory access. Do not pass loop_p.
560 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
561 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
562 the gimple_stmt_iterator where it inserts new code.
564 (copy_bb_and_scalar_dependences): Do not pass loop_p.
565 (translate_clast): Update call to copy_bb_and_scalar_dependences.
567 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
569 * graphite.h (debug_value): Removed.
570 * graphite.c (debug_value): Removed.
572 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
574 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
575 ldrd/strd with two 32-bit instructions.
577 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
579 * config/arm/arm.c (struct processors): Pass for speed down into
580 cost helper functions.
581 (const_ok_for_op): Handle COMPARE and inequality nodes.
582 (arm_rtx_costs_1): Rewrite.
583 (arm_size_rtx_costs): Update prototype.
584 (arm_rtx_costs): Pass speed down to helper functions.
585 (arm_slowmul_rtx_costs): Rework cost calculations.
586 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
587 (arm_9e_rtx_costs): Likewise.
589 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
591 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
592 relocations of local symbols wider than UNITS_PER_WORD are not valid.
593 (alpha_legitimize_address): Do not split local symbols wider than
594 UNITS_PER_WORD into HIGH/LO_SUM parts.
596 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
599 * gcc.c (process_command): Replace call to execvp with calls
602 2009-01-03 Anatoly Sokolov <aesok@post.ru>
605 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
606 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
607 variant for devices with 3-byte PC.
608 (__tablejump_elpm__) : New.
610 2009-01-12 Jakub Jelinek <jakub@redhat.com>
613 * c-parser.c (c_parser_postfix_expression): Allow `->' in
614 offsetof member-designator, handle it as `[0].'.
616 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
618 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
619 function when not using named sections on targets with named sections
620 if branch distance is less than 262132.
622 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
624 * combine.c (combine_instructions): Recompute
625 optimize_this_for_speed_p for each BB in the main combine loop.
627 2009-01-12 Tomas Bily <tbily@suse.cz>
630 * tree-loop-distribution.c (prop_phis): New function.
631 (generate_builtin): Call prop_phis.
632 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
634 2009-01-12 Jakub Jelinek <jakub@redhat.com>
636 PR tree-optimization/38807
637 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
638 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
640 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
642 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
643 subreg of op0 to the original op0.
645 2009-01-11 Laurent GUERBY <laurent@guerby.net>
647 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
649 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
652 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
653 starting with digits.
655 2009-01-10 Jakub Jelinek <jakub@redhat.com>
658 * config/arm/arm.c (arm_is_long_call_p): Don't call
659 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
661 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
663 * regrename.c (regrename_optimize): Fix dumping.
664 (find_oldest_value_reg): Preserve REG_POINTER.
665 (copy_hardreg_forward_1): Likewise.
667 2009-01-09 Diego Novillo <dnovillo@google.com>
669 * gimple.h (struct gimple_statement_base)<uid>: Document
670 the restrictions on its use.
672 (gimple_set_uid): Tidy.
674 2009-01-09 Jakub Jelinek <jakub@redhat.com>
676 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
677 zero guard even if align_bytes != 0 and count is smaller than
680 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
682 PR rtl-optimization/38495
683 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
684 (add_range_and_copies_from_move_list): Print all added ranges.
685 Add ranges to memory optimized destination.
687 2009-01-09 Jakub Jelinek <jakub@redhat.com>
691 * config/i386/i386.c (override_options): Reject
692 -mstringop-strategy=rep_8byte with -m32.
693 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
694 to 1. Do count comparison against epilogue_size_needed at compile
695 time even when count_exp was constant forced into register. For
696 size_needed don't jump to epilogue, instead just avoid aligning
697 and invoke the body algorithm. If need_zero_guard, add zero guard
698 even if count is non-zero, but smaller than size_needed + number of
699 bytes that could be stored for alignment.
700 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
701 to 1. If need_zero_guard, add zero guard even if count is non-zero,
702 but smaller than size_needed + number of bytes that could be stored
703 for alignment. Compare size_needed with epilogue_size_needed instead
704 of desired_align - align, don't adjust size_needed, pass
705 epilogue_size_needed to the epilogue expanders.
708 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
710 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
712 * pa.c (last_address): Change to unsigned.
713 (update_total_code_bytes): Change argument to unsigned. Don't
714 check if insn addresses are set.
715 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
716 addresses are not set.
717 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
719 2009-01-09 Nick Clifton <nickc@redhat.com>
721 * config/sh/symbian.c: Replace uses of DECL_INLINE with
722 DECL_DECLARED_INLINE_P.
724 2009-01-09 Jakub Jelinek <jakub@redhat.com>
727 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
728 GET_MODE (op0) in operand_subword_force calls.
731 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
732 fold_convert arg0 operands to TREE_TYPE (op0) first.
734 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
736 * params.def (ira-max-conflict-table-size): Decrease default value
739 2009-01-08 Jakub Jelinek <jakub@redhat.com>
741 PR tree-optimization/37031
742 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
744 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
745 allocate it using gc instead of heap, use VEC_quick_push instead of
747 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
748 instead of heap, use VEC_quick_push instead of VEC_safe_push.
749 * tree-data-ref.h (struct access_matrix): Change matrix to gc
750 allocated vector from heap allocated.
751 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
752 * tree-loop-linear.c (linear_transform_loops): Allocate nest
753 vector only after perfect_loop_nest_depth call.
755 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
756 Jan Sjodin <jan.sjodin@amd.com>
758 PR tree-optimization/38559
759 * graphite.c (debug_value, copy_constraint,
760 swap_constraint_variables, scale_constraint_variable, ): New.
761 (get_lower_bound, get_upper_bound): Removed.
762 (graphite_trans_bb_strip_mine): Clean up this code that works
763 only for constant number of iterations. Fully copy upper and
764 lower bound constraints, not only the constant part of them.
765 * graphite.h (debug_value): Declared.
767 2009-01-08 Ira Rosen <irar@il.ibm.com>
769 PR tree-optimization/37194
770 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
771 Don't add the cost of cost model guard in prologue to scalar
772 outside cost in case of known number of iterations.
774 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
775 Alan Modra <amodra@bigpond.net.au>
777 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
778 non-word-aligned REG+CONST addressing.
780 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
783 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
784 free_after_compilation when outputting a thunk.
785 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
786 Do not call free_after_compilation here.
788 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
790 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
791 (ix86_valid_target_attribute_inner_p): Ditto.
793 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
795 PR tree-optimization/38492
796 PR tree-optimization/38498
797 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
798 * tree-chrec.h (scev_is_linear_expression): Declared.
799 * graphite.c (graphite_cannot_represent_loop_niter): New.
800 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
801 (graphite_loop_normal_form): Use gcc_assert.
802 (scan_tree_for_params): Use CASE_CONVERT.
803 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
804 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
805 Use gcc_assert. Discard scops that contain unhandled cases.
806 (build_scop_conditions): Return a boolean status for unhandled cases.
807 (strip_mine_profitable_p): Print the loop number, not its depth.
808 (is_interchange_valid): Pass the depth of the loop nest, don't
809 recompute it wrongly.
810 (graphite_trans_bb_block): Same.
811 (graphite_trans_bb_block): Print tentative of loop blocking.
812 (graphite_trans_scop_block): Do not print that the loop has been
814 (graphite_transform_loops): Do not handle scops that contain condition
817 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
819 AVX Programming Reference (December, 2008)
820 * config/i386/avxintrin.h (_mm256_stream_si256): New.
821 (_mm256_stream_pd): Likewise.
822 (_mm256_stream_ps): Likewise.
824 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
825 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
826 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
827 (bdesc_special_args): Add __builtin_ia32_movntdq256,
828 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
829 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
830 (ix86_expand_special_args_builtin): Likewise.
832 * config/i386/sse.md (AVXMODEDI): New.
833 (avx_movnt<mode>): Likewise.
834 (avx_movnt<mode>): Likewise.
835 (<sse>_movnt<mode>): Remove AVX support.
836 (sse2_movntv2di): Likewise.
838 2009-01-07 Richard Guenther <rguenther@suse.de>
841 * fold-const.c (extract_muldiv): Remove obsolete comment.
842 (fold_plusminus_mult_expr): Undo MINUS_EXPR
843 to PLUS_EXPR canonicalization for the canonicalization.
845 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
847 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
848 hosted cross-compilers generating less efficient code.
850 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
852 * function.h (rtl_data): Add a dbr_scheduled_p field.
853 * reorg.c (dbr_schedule): Set it.
854 (gate_handle_delay_slots): Check it.
855 * config/mips/mips.c (mips_base_delayed_branch): Delete.
856 (mips_reorg): Check flag_delayed_branch instead of
857 mips_base_delayed_branch.
858 (mips_override_options): Don't set mips_base_delayed_branch
859 or flag_delayed_branch.
861 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
863 PR rtl-optimization/38426.
864 * ira.c (ira): Set current_function_is_leaf earlier.
866 2009-01-06 Jakub Jelinek <jakub@redhat.com>
868 PR rtl-optimization/38722
869 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
870 too early, only set a flag and modify after last possible
873 2009-01-06 Janis Johnson <janis187@us.ibm.com>
876 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
877 * real.c (decimal_single_format): Correct values of emin and emax.
878 (decimal_double_format): Ditto.
879 (decimal_quad_format): Ditto.
880 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
881 computation of DECnn_MIN and DECnn_MAX for corrected values of
882 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
883 __DECnn_MIN__, and adjust its computation for the corrected value
886 2009-01-06 Jan Hubicka <jh@suse.cz>
889 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
891 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
893 * doc/contrib.texi (Contributors): Slightly adjust the end note.
894 Add Robert Clark to the list of testers.
896 2009-01-06 Jan Hubicka <jh@suse.cz>
897 Kai Tietz <kai.tietz@onevision.com>
899 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
900 * config/i386/i386.c (ix86_expand_call): Add clobbers.
902 2009-01-06 Jan Hubicka <jh@suse.cz>
903 Kai Tietz <kai.tietz@onevision.com>
905 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
907 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
908 (ix86_nsaved_regs): Count only general purpose regs.
909 (ix86_nsaved_sseregs): New.
910 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
911 to 16 for w64; compute padding and size of sse reg save area.
912 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
913 general purpose regs.
914 (ix86_emit_save_sse_regs_using_mov): New.
915 (ix86_expand_prologue): Save SSE regs if needed.
916 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
917 (ix86_emit_restore_sse_regs_using_mov): New.
918 (ix86_expand_epilogue): Save SSE regs if needed.
920 2009-01-06 Jan Hubicka <jh@suse.cz>
921 Kai Tietz <kai.tietz@onevision.com>
923 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
924 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
925 functions when accumulate outgoing args is off.
927 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
930 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
931 before using pseudos_have_intersected_live_ranges_p.
933 * ira-int.h (ira_assert): Always define.
935 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
937 AVX Programming Reference (December, 2008)
938 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
939 (_mm256_permute2_pd): Likewise.
940 (_mm_permute2_ps): Likewise.
941 (_mm256_permute2_ps): Likewise.
942 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
943 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
945 * config/i386/i386.c (ix86_builtins): Remove
946 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
947 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
948 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
949 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
950 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
951 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
952 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
953 __builtin_ia32_vpermil2ps256.
954 (ix86_init_mmx_sse_builtins): Updated.
955 (ix86_expand_args_builtin): Likewise.
957 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
959 * pa.c (output_call): Relocate non-jump insns in the delay slot of
960 long absolute calls when generating PA 2.0 code.
962 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
964 PR rtl-optimization/38583
965 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
967 * params.def (ira-max-conflict-table-size): New.
969 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
971 * ira.h (ira_conflicts_p): New external definition.
973 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
974 table. Report this. Return result of building.
975 (ira_build_conflicts): Use ira_conflicts_p. Check result of
976 building conflict table.
978 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
979 (ira_color): Use ira_conflicts_p.
981 * global.c: Include ira.h.
982 (pseudo_for_reload_consideration_p, build_insn_chain): Use
985 * Makefile.in (global.o): Add ira.h.
987 * ira-build.c (mark_all_loops_for_removal,
988 propagate_some_info_from_allocno): New.
989 (remove_unnecessary_allocnos): Call
990 propagate_some_info_from_allocno.
991 (remove_low_level_allocnos): New.
992 (remove_unnecessary_regions): Add parameter. Call
993 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
994 parameter to remove_unnecessary_regions.
995 (ira_build): Remove all regions but root if the conflict table was
996 not built. Update conflict hard regs for allocnos crossing calls.
998 * ira.c (ira_conflicts_p): New global.
999 (ira): Define and use ira_conflicts_p.
1001 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1002 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1003 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1005 2009-01-06 Ben Elliston <bje@au.ibm.com>
1007 * gengtype-lex.l (YY_NO_INPUT): Define.
1009 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1012 * c-common.c (handle_vector_size_attribute): Also reject
1015 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1017 PR tree-optimization/38492
1018 * graphite.c (rename_map_elt, debug_rename_elt,
1019 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1020 rename_map_elt_info, eq_rename_map_elts,
1021 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1022 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1023 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1024 (sese_build_livein_liveouts): New.
1025 (new_sese, free_sese): New.
1026 (new_scop): Call new_sese.
1027 (free_scop): Call free_sese.
1028 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1029 (register_old_new_names): Renamed register_old_and_new_names.
1030 (register_scop_liveout_renames, add_loop_exit_phis,
1031 insert_loop_close_phis, struct igp,
1032 default_liveout_before_guard, add_guard_exit_phis,
1033 insert_guard_phis, copy_renames): New.
1034 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1035 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1036 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1037 (scop_adjust_phis_for_liveouts): New.
1038 (gloog): Call scop_adjust_phis_for_liveouts.
1040 * graphite.h (struct sese): Documented. Added fields liveout,
1042 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1043 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1044 (struct scop): Added field liveout_renames.
1045 (SCOP_LIVEOUT_RENAMES): New.
1047 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1049 PR tree-optimization/38510
1050 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1051 (translate_clast): Call recompute_all_dominators before
1053 (gloog): Call recompute_all_dominators before graphite_verify.
1055 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1056 Jan Sjodin <jan.sjodin@amd.com>
1058 PR tree-optimization/38500
1059 * graphite.c (create_sese_edges): Call fix_loop_structure after
1062 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1064 * config.gcc: Add m32r*-*-rtems*.
1065 * config/m32r/rtems.h: New file.
1067 2009-01-05 Ben Elliston <bje@au.ibm.com>
1069 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1070 (.po.pox): Likewise.
1071 (po/gcc.pot): Likewise.
1073 2009-01-04 David S. Miller <davem@davemloft.net>
1075 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1076 (STARTING_FRAME_OFFSET): Always set to zero.
1078 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1080 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1081 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1082 fixed-point types, and vectors of the same.
1084 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1086 * config/mips/sync.md (*mb_barrier): Rename to...
1087 (*memory_barrier): ...this.
1089 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1091 * doc/extend.texi (Function Attributes): Move @cindex after @item
1092 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1093 and put in alphabetical order. Fix 'target' name and put in order.
1094 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1097 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1099 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1100 (memory_barrier): Expand as unspec instead of unspec_volatile.
1101 Remove mem:BLK from insn operands. Use Pmode scratch register.
1102 (*memory_barrier): Define as unspec instead of unspec_volatile.
1103 Use (match_dup 0) as input operand.
1105 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1106 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1107 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1108 scratch register. Remove operand 1.
1109 (*stbar): Define as unspec instead of unspec_volatile.
1110 Use (match_dup 0) as input operand, remove (const_int 8).
1111 (*membar): Define as unspec instead of unspec_volatile.
1112 Use (match_dup 0) as input operand, remove input operand 2.
1114 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1115 (memory_barrier): Expand as unspec instead of unspec_volatile.
1116 Remove mem:BLK from insn operands. Use Pmode scratch register.
1117 (*memory_barrier): Define as unspec instead of unspec_volatile.
1118 Use (match_dup 0) as input operand.
1120 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1121 Remove mem:BLK from insn operands. Use Pmode scratch register.
1122 Set volatile flag on operand 0.
1123 (*memory_barrier): New insn pattern.
1125 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1127 (*memory_barrier): Use (match_dup 0) as input operand.
1129 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1130 Remove mem:BLK from insn operands. Use Pmode scratch register.
1131 Set volatile flag on operand 0.
1132 (*mb_internal): New insn pattern.
1134 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1136 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1139 * function.c (struct temp_slot): Move to the section of the file
1140 that deals with temp slots. Remove field 'address'.
1141 (temp_slot_address_table): New hash table of address -> temp slot.
1142 (struct temp_slot_address_entry): New struct, items for the table.
1143 (temp_slot_address_compute_hash, temp_slot_address_hash,
1144 temp_slot_address_eq, insert_temp_slot_address): Support functions
1146 (find_temp_slot_from_address): Rewrite to use the new hash table.
1147 (remove_unused_temp_slot_addresses): Remove addresses of temp
1148 slots that have been made available.
1149 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1150 worker function for remove_unused_temp_slot_addresses.
1151 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1152 Add the temp slot address to the address -> temp slot map.
1153 (update_temp_slot_address): Update via insert_temp_slot_address.
1154 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1155 (pop_temp_slots): Likewise.
1156 (init_temp_slots): Allocate the address -> temp slot map, or empty
1157 the map if it is already allocated.
1158 (prepare_function_start): Initialize temp slot processing.
1160 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1163 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1164 Calculate the size of all stack vars assuming no packing of stack
1165 vars will happen, replacing a quadratic algorithm with a linear one.
1167 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1170 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1173 2009-01-03 Diego Novillo <dnovillo@google.com>
1175 * doc/contrib.texi: Update contributions.
1177 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1180 * builtins.c (fold_builtin_memory_op): Give up if either operand
1181 is volatile. Set srctype or desttype to non-qualified version
1185 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1188 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1190 PR rtl-optimization/35805
1191 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1192 problem if fast dce is able to remove any instructions.
1193 * dce.c (dce_process_block): Fix dump message.
1195 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1198 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1200 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1203 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1204 * tree-pretty-print.c (op_code_prio): New function.
1205 (op_prio): No longer static. Use op_code_prio.
1206 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1207 Use op_prio and op_code_prio to determine if () should be
1208 printed around operand(s) or not.
1210 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1211 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1212 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1213 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1214 pp_character instead of pp_string for single letter printing.
1216 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1218 * doc/extend.texi: Fix '#pragma GCC option' typo.
1220 2009-01-02 Richard Guenther <rguenther@suse.de>
1222 * doc/install.texi (--enable-checking): Mention different
1224 (--enable-stage1-checking): Document.
1226 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1229 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1230 case to be an error.
1232 2009-01-02 Ben Elliston <bje@au.ibm.com>
1234 * config/fp-bit.h (pack_d): Constify argument.
1235 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1236 (isnan): Constify argument.
1240 (_fpadd_parts): Constify return type.
1241 (_fpmul_parts): Likewise.
1242 (_fpdiv_parts): Likewise.
1244 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1247 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1248 warn about overwriting initializer with side-effects or
1249 -Woverride-init if !IMPLICIT.
1250 (output_init_element): Likewise. Pass IMPLICIT down to
1252 (process_init_element): Add IMPLICIT argument. Pass it down
1253 to output_init_element.
1254 (push_init_element, pop_init_level, set_designator): Adjust
1255 process_init_element callers.
1256 (set_nonincremental_init, set_nonincremental_init_from_string):
1257 Adjust add_pending_init callers.
1258 (output_pending_init_elements): Adjust output_init_element callers.
1259 * c-tree.h (process_init_element): Adjust prototype.
1260 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1261 process_init_element callers.