1 2009-01-24 Paul Brook <paul@codesourcery.com>
3 * config/arm/neon.md (neon_type): Move to arm.md.
4 (neon_mov<VSTRUCT>): Add neon_type attribute.
5 * config/arm/arm.md (neon_type): Move to here.
6 (conds): Add "unconditioal" and use as default for NEON insns.
8 2009-01-24 Ben Elliston <bje@au.ibm.com>
10 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11 void *' warning from -Wc++-compat.
12 * Makefile.in (dominance.o-warn): Remove.
14 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
16 PR tree-optimization/38932
17 * fold-const.c (fold_unary_ignore_overflow): New.
18 * tree.h (fold_unary_ignore_overflow): Declare.
19 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
20 * tree-ssa-sccvn.c (visit_reference_op_load,
21 simplify_unary_expression): Likewise.
23 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
25 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
26 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
27 regardless of their type.
28 * c-common.c (handle_packed_attribute): Don't ignore packed on
30 * c.opt (Wpacked-bitfield-compat): New warning option.
31 * stor-layout.c (place_field): Warn if offset of a field changed.
32 * doc/extend.texi (packed): Mention the ABI change.
33 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
34 (Warning Options): Add it to the list.
36 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
38 * c-opts.c (c_common_post_options): Fix a typo in comments.
40 2009-01-22 Steve Ellcey <sje@cup.hp.com>
43 * gimplify.c (gimplify_init_constructor): Fix promotion of const
45 * doc/invoke.texi (-fmerge-all-constants): Update description.
47 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
50 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
51 (*movdi_1_rex64): Use type "mmx" for alternative 5.
53 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
55 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
57 (LOCAL_ALIGNMENT): Similarly.
59 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
60 Joseph Myers <joseph@codesourcery.com>
62 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
63 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
64 * config/arm/arm-tune.md: Regenerate.
65 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
68 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
70 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
71 version number to five.
73 2009-01-22 Dodji Seketeli <dodji@redhat.com>
76 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
77 * c-common.c (set_underlying_type): Likewise.
78 (is_typedef_decl ): Likewise
80 (set_underlying_type): Likewise.
81 (is_typedef_type): Likewise.
83 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
86 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
89 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
92 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
93 (LIBGCC_SPEC): Don't define.
94 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
96 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
98 PR rtl-optimization/38879
99 * alias.c (base_alias_check): Unaligned access via AND address can
100 alias all surrounding object types except those with sizes equal
101 or wider than the size of unaligned access.
103 2009-01-21 Dodji Seketeli <dodji@redhat.com>
106 * c-decl.c: (clone_underlying_type): Move this ...
107 * c-common.c (set_underlying_type): ... here.
108 Also, make sure the function properly sets TYPE_STUB_DECL() on
109 the newly created typedef variant type.
110 (is_typedef_decl ): New entry point.
111 * tree.h: Added a new member member_types_needing_access_check to
112 struct tree_decl_non_common.
113 (set_underlying_type): New entry point.
114 (is_typedef_type): Likewise.
116 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
118 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
119 Check whether two instructions have memory references that
120 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
121 are helper functions for traversing.
122 * alias.h (insn_alias_sets_confilict_p): New prototypes.
123 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
124 not to draw dependency edge for instructions with non-conflicting
127 2009-01-20 Joseph Myers <joseph@codesourcery.com>
130 * longlong.h: Update copyright years. Use soft-fp license
131 notice. Sync __clz_tab declaration with glibc.
133 2009-01-20 Steve Ellcey <sje@cup.hp.com>
136 * doc/extend.texi (syscall_linkage): New.
137 (version_id): Modify.
139 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
140 Richard Guenther <rguenther@suse.de>
142 PR tree-optimization/38747
143 PR tree-optimization/38748
144 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
145 conversion if the base address is an indirect reference and the
146 aliasing sets could cause issues.
148 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
150 * common.opt (fgraphite, fgraphite-identity): Add comment for
151 explaining why these options are not documented.
153 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
155 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
156 gimple_call_lhs is NULL.
158 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
161 * emit-rtl.c (adjust_address_1): Make sure memref is never
164 2009-01-20 Ben Elliston <bje@au.ibm.com>
166 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
167 const qualifier from arg parameter. Remove unnecessary cast to char *.
168 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
169 const qualifier from arg 2.
171 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
173 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
175 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
178 * rtl.h (reinit_regs): New prototype.
179 * regclass.c: Include ira.h.
181 * Makefile.in (regclass.o): Add ira.h.
182 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
184 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
187 * c-common.c (handle_aligned_attribute): Use
188 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
189 default alignment value.
191 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
193 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
194 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
196 * doc/extend.texi: Update __attribute__ ((aligned)). Document
197 __BIGGEST_ALIGNMENT__.
199 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
201 2009-01-18 Richard Guenther <rguenther@suse.de>
203 PR tree-optimization/38819
204 * tree-flow.h (operation_could_trap_helper_p): Declare.
205 * tree-eh.c (operation_could_trap_helper_p): Export.
206 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
207 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
208 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
209 are about to insert a possibly trapping instruction and fail
212 2009-01-18 Andreas Schwab <schwab@suse.de>
214 * doc/install.texi (Configuration): Remove obsolete paragraph
215 about use of --with-gnu-ld with --with-gnu-as.
217 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
219 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
220 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
221 Follow spelling conventions.
223 2009-01-18 Ben Elliston <bje@au.ibm.com>
225 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
226 C++ warning about implicit conversion from void * to struct
228 (bitmap_obstack_free): Likewise for bitmap_element *.
229 * Makefile.in (bitmap.o-warn): Remove.
231 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
233 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
235 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
236 Tobias Grosser <tobi.grosser@amd.com>
238 * graphite.c (graphite_trans_scop_block): Do not block single
241 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
243 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
244 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
247 2009-01-16 Richard Guenther <rguenther@suse.de>
249 PR tree-optimization/38835
251 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
252 and INT + PTR -> (INT)(PTR p+ INT) folding.
253 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
255 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
258 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
259 the subreg from a lowpart subreg if it is also casting the value.
261 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
262 Tobias Grosser <tobi.grosser@amd.com>
264 * graphite.c (compare_prefix_loops): New.
265 (build_scop_canonical_schedules): Rewritten.
266 (graphite_transform_loops): Move build_scop_canonical_schedules
267 after build_scop_iteration_domain.
269 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
270 Tobias Grosser <tobi.grosser@amd.com>
272 * graphite.c (add_conditions_to_domain): Add the loops to
273 the dimension of the iteration domain. Do copy the domain
275 (build_scop_conditions_1): Do not call add_conditions_to_domain.
276 (add_conditions_to_constraints): New.
277 (can_generate_code_stmt, can_generate_code): Removed.
278 (gloog): Do not call can_generate_code.
279 (graphite_transform_loops): Call add_conditions_to_constraints
280 after building the iteration domain.
282 2009-01-16 Jakub Jelinek <jakub@redhat.com>
284 PR tree-optimization/38789
285 * tree-ssa-threadedge.c
286 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
287 __builtin_constant_p.
289 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
291 * dce.c (delete_unmarked_insns): Reversed the order that insns are
292 examined before deleting them.
294 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
296 * function.c (aggregate_value_p): Correctly extract the function
297 type from CALL_EXPR_FN lookup.
299 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
301 * config/picochip/picochip.c (picochip_override_options): Revert
302 CFI asm flag disable commited previously.
304 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
305 Tobias Grosser <tobi.grosser@amd.com>
306 Jan Sjodin <jan.sjodin@amd.com>
308 * graphite.c (scan_tree_for_params): On substractions negate
309 all the coefficients of the term.
310 (clast_to_gcc_expression_red): New. Handle reduction expressions
311 of more than two operands.
312 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
313 (get_vdef_before_scop): Handle also the case of default definitions.
315 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
317 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
318 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
319 Also use them when walking CALL_INSN_FUNCTION_USAGE.
321 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
322 Joey Ye <joey.ye@intel.com>
325 * cfgexpand.c (expand_stack_alignment): Don't update stack
326 boundary nor check incoming stack boundary here.
327 (gimple_expand_cfg): Update stack boundary and check incoming
330 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
332 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
334 2009-01-14 Jakub Jelinek <jakub@redhat.com>
336 PR rtl-optimization/38245
337 * calls.c (expand_call): Add stack arguments to
338 CALL_INSN_FUNCTION_USAGE even for pure calls (when
339 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
340 in regs and partially in memory or BLKmode arguments.
341 (emit_library_call_value_1): Add stack arguments to
342 CALL_INSN_FUNCTION_USAGE even for pure calls (when
343 ACCUMULATE_OUTGOING_ARGS).
344 * dce.c: Include tm_p.h.
345 (find_call_stack_args): New function.
346 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
348 (mark_insn): Call find_call_stack_args for CALL_Ps.
349 (prescan_insns_for_dce): Walk insns backwards in bb rather than
350 forwards. Allocate and free arg_stores bitmap if needed, pass it
351 down to deletable_insn_p, don't mark stores set in arg_stores
352 bitmap, clear the bitmap at the beginning of each bb.
353 * Makefile.in (dce.o): Depend on $(TM_P_H).
355 2009-01-14 Michael Meissner <gnu@the-meissners.org>
358 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
359 to make sure the insn is a conditional test (bug 22599). Reformat a
362 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
365 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
366 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
367 (gloog): Do not call cleanup_tree_cfg.
368 (graphite_transform_loops): Call cleanup_tree_cfg after all
369 scops have been code generated.
371 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
372 * doc/gty.texi (Invoking the garbage collector): Added new node
373 and section documenting ggc_collect.
375 2009-01-14 Richard Guenther <rguenther@suse.de>
377 PR tree-optimization/38826
379 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
380 initialization notes only if we actually emitted a warning.
381 (intra_create_variable_infos): Add constraints for a result decl
382 that is passed by hidden reference.
383 (build_pred_graph): Mark all related variables non-direct on
386 2009-01-14 Nick Clifton <nickc@redhat.com>
388 * ira-conflicts.c: Include addresses.h for the definition of
390 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
391 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
393 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
396 * Makefile.in (ira-lives.o): Add except.h.
398 * ira-lives.c: Include except.h.
399 (process_bb_node_lives): Process can_throw_internal.
401 2009-01-13 Jakub Jelinek <jakub@redhat.com>
403 PR rtl-optimization/38774
404 * combine.c (simplify_set): When undoing cc_use change, don't do
405 PUT_CODE on the newly created comparison, but instead put back the
408 2009-01-13 Joseph Myers <joseph@codesourcery.com>
410 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
411 values. Remove duplicate arm8 entry.
413 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
415 PR tree-optimization/38786
416 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
417 the SSA_NAME case of expand_scalar_variables_expr.
418 Set the type of an expression to the type of its assign statement.
419 (expand_scalar_variables_expr): Also gather the scalar computation
420 used to index the memory access. Do not pass loop_p.
421 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
422 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
423 the gimple_stmt_iterator where it inserts new code. Do not pass loop_p.
424 (copy_bb_and_scalar_dependences): Do not pass loop_p.
425 (translate_clast): Update call to copy_bb_and_scalar_dependences.
427 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
429 * graphite.h (debug_value): Removed.
430 * graphite.c (debug_value): Removed.
432 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
434 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
435 ldrd/strd with two 32-bit instructions.
437 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
439 * config/arm/arm.c (struct processors): Pass for speed down into
440 cost helper functions.
441 (const_ok_for_op): Handle COMPARE and inequality nodes.
442 (arm_rtx_costs_1): Rewrite.
443 (arm_size_rtx_costs): Update prototype.
444 (arm_rtx_costs): Pass speed down to helper functions.
445 (arm_slowmul_rtx_costs): Rework cost calculations.
446 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
447 (arm_9e_rtx_costs): Likewise.
449 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
451 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
452 relocations of local symbols wider than UNITS_PER_WORD are not valid.
453 (alpha_legitimize_address): Do not split local symbols wider than
454 UNITS_PER_WORD into HIGH/LO_SUM parts.
456 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
459 * gcc.c (process_command): Replace call to execvp with calls
462 2009-01-03 Anatoly Sokolov <aesok@post.ru>
465 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
466 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
467 variant for devices with 3-byte PC.
468 (__tablejump_elpm__) : New.
470 2009-01-12 Jakub Jelinek <jakub@redhat.com>
473 * c-parser.c (c_parser_postfix_expression): Allow `->' in
474 offsetof member-designator, handle it as `[0].'.
476 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
478 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
479 function when not using named sections on targets with named sections
480 if branch distance is less than 262132.
482 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
484 * combine.c (combine_instructions): Recompute
485 optimize_this_for_speed_p for each BB in the main combine loop.
487 2009-01-12 Tomas Bily <tbily@suse.cz>
490 * tree-loop-distribution.c (prop_phis): New function.
491 (generate_builtin): Call prop_phis.
492 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
494 2009-01-12 Jakub Jelinek <jakub@redhat.com>
496 PR tree-optimization/38807
497 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
498 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
500 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
502 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
503 subreg of op0 to the original op0.
505 2009-01-11 Laurent GUERBY <laurent@guerby.net>
507 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
509 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
512 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
513 starting with digits.
515 2009-01-10 Jakub Jelinek <jakub@redhat.com>
518 * config/arm/arm.c (arm_is_long_call_p): Don't call
519 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
521 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
523 * regrename.c (regrename_optimize): Fix dumping.
524 (find_oldest_value_reg): Preserve REG_POINTER.
525 (copy_hardreg_forward_1): Likewise.
527 2009-01-09 Diego Novillo <dnovillo@google.com>
529 * gimple.h (struct gimple_statement_base)<uid>: Document
530 the restrictions on its use.
532 (gimple_set_uid): Tidy.
534 2009-01-09 Jakub Jelinek <jakub@redhat.com>
536 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
537 zero guard even if align_bytes != 0 and count is smaller than
540 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
542 PR rtl-optimization/38495
543 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
544 (add_range_and_copies_from_move_list): Print all added ranges.
545 Add ranges to memory optimized destination.
547 2009-01-09 Jakub Jelinek <jakub@redhat.com>
551 * config/i386/i386.c (override_options): Reject
552 -mstringop-strategy=rep_8byte with -m32.
553 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
554 to 1. Do count comparison against epilogue_size_needed at compile
555 time even when count_exp was constant forced into register. For
556 size_needed don't jump to epilogue, instead just avoid aligning
557 and invoke the body algorithm. If need_zero_guard, add zero guard
558 even if count is non-zero, but smaller than size_needed + number of
559 bytes that could be stored for alignment.
560 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
561 to 1. If need_zero_guard, add zero guard even if count is non-zero,
562 but smaller than size_needed + number of bytes that could be stored
563 for alignment. Compare size_needed with epilogue_size_needed instead
564 of desired_align - align, don't adjust size_needed, pass
565 epilogue_size_needed to the epilogue expanders.
568 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
570 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
572 * pa.c (last_address): Change to unsigned.
573 (update_total_code_bytes): Change argument to unsigned. Don't
574 check if insn addresses are set.
575 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
576 addresses are not set.
577 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
579 2009-01-09 Nick Clifton <nickc@redhat.com>
581 * config/sh/symbian.c: Replace uses of DECL_INLINE with
582 DECL_DECLARED_INLINE_P.
584 2009-01-09 Jakub Jelinek <jakub@redhat.com>
587 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
588 GET_MODE (op0) in operand_subword_force calls.
591 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
592 fold_convert arg0 operands to TREE_TYPE (op0) first.
594 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
596 * params.def (ira-max-conflict-table-size): Decrease default value
599 2009-01-08 Jakub Jelinek <jakub@redhat.com>
601 PR tree-optimization/37031
602 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
604 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
605 allocate it using gc instead of heap, use VEC_quick_push instead of
607 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
608 instead of heap, use VEC_quick_push instead of VEC_safe_push.
609 * tree-data-ref.h (struct access_matrix): Change matrix to gc
610 allocated vector from heap allocated.
611 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
612 * tree-loop-linear.c (linear_transform_loops): Allocate nest
613 vector only after perfect_loop_nest_depth call.
615 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
616 Jan Sjodin <jan.sjodin@amd.com>
618 PR tree-optimization/38559
619 * graphite.c (debug_value, copy_constraint,
620 swap_constraint_variables, scale_constraint_variable, ): New.
621 (get_lower_bound, get_upper_bound): Removed.
622 (graphite_trans_bb_strip_mine): Clean up this code that works
623 only for constant number of iterations. Fully copy upper and
624 lower bound constraints, not only the constant part of them.
625 * graphite.h (debug_value): Declared.
627 2009-01-08 Ira Rosen <irar@il.ibm.com>
629 PR tree-optimization/37194
630 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
631 Don't add the cost of cost model guard in prologue to scalar
632 outside cost in case of known number of iterations.
634 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
635 Alan Modra <amodra@bigpond.net.au>
637 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
638 non-word-aligned REG+CONST addressing.
640 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
643 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
644 free_after_compilation when outputting a thunk.
645 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
646 Do not call free_after_compilation here.
648 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
650 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
651 (ix86_valid_target_attribute_inner_p): Ditto.
653 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
655 PR tree-optimization/38492
656 PR tree-optimization/38498
657 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
658 * tree-chrec.h (scev_is_linear_expression): Declared.
659 * graphite.c (graphite_cannot_represent_loop_niter): New.
660 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
661 (graphite_loop_normal_form): Use gcc_assert.
662 (scan_tree_for_params): Use CASE_CONVERT.
663 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
664 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
665 Use gcc_assert. Discard scops that contain unhandled cases.
666 (build_scop_conditions): Return a boolean status for unhandled cases.
667 (strip_mine_profitable_p): Print the loop number, not its depth.
668 (is_interchange_valid): Pass the depth of the loop nest, don't
669 recompute it wrongly.
670 (graphite_trans_bb_block): Same.
671 (graphite_trans_bb_block): Print tentative of loop blocking.
672 (graphite_trans_scop_block): Do not print that the loop has been
674 (graphite_transform_loops): Do not handle scops that contain condition
677 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
679 AVX Programming Reference (December, 2008)
680 * config/i386/avxintrin.h (_mm256_stream_si256): New.
681 (_mm256_stream_pd): Likewise.
682 (_mm256_stream_ps): Likewise.
684 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
685 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
686 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
687 (bdesc_special_args): Add __builtin_ia32_movntdq256,
688 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
689 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
690 (ix86_expand_special_args_builtin): Likewise.
692 * config/i386/sse.md (AVXMODEDI): New.
693 (avx_movnt<mode>): Likewise.
694 (avx_movnt<mode>): Likewise.
695 (<sse>_movnt<mode>): Remove AVX support.
696 (sse2_movntv2di): Likewise.
698 2009-01-07 Richard Guenther <rguenther@suse.de>
701 * fold-const.c (extract_muldiv): Remove obsolete comment.
702 (fold_plusminus_mult_expr): Undo MINUS_EXPR
703 to PLUS_EXPR canonicalization for the canonicalization.
705 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
707 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
708 hosted cross-compilers generating less efficient code.
710 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
712 * function.h (rtl_data): Add a dbr_scheduled_p field.
713 * reorg.c (dbr_schedule): Set it.
714 (gate_handle_delay_slots): Check it.
715 * config/mips/mips.c (mips_base_delayed_branch): Delete.
716 (mips_reorg): Check flag_delayed_branch instead of
717 mips_base_delayed_branch.
718 (mips_override_options): Don't set mips_base_delayed_branch
719 or flag_delayed_branch.
721 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
723 PR rtl-optimization/38426.
724 * ira.c (ira): Set current_function_is_leaf earlier.
726 2009-01-06 Jakub Jelinek <jakub@redhat.com>
728 PR rtl-optimization/38722
729 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
730 too early, only set a flag and modify after last possible
733 2009-01-06 Janis Johnson <janis187@us.ibm.com>
736 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
737 * real.c (decimal_single_format): Correct values of emin and emax.
738 (decimal_double_format): Ditto.
739 (decimal_quad_format): Ditto.
740 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
741 computation of DECnn_MIN and DECnn_MAX for corrected values of
742 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
743 __DECnn_MIN__, and adjust its computation for the corrected value
746 2009-01-06 Jan Hubicka <jh@suse.cz>
749 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
751 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
753 * doc/contrib.texi (Contributors): Slightly adjust the end note.
754 Add Robert Clark to the list of testers.
756 2009-01-06 Jan Hubicka <jh@suse.cz>
757 Kai Tietz <kai.tietz@onevision.com>
759 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
760 * config/i386/i386.c (ix86_expand_call): Add clobbers.
762 2009-01-06 Jan Hubicka <jh@suse.cz>
763 Kai Tietz <kai.tietz@onevision.com>
765 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
767 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
768 (ix86_nsaved_regs): Count only general purpose regs.
769 (ix86_nsaved_sseregs): New.
770 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
771 to 16 for w64; compute padding and size of sse reg save area.
772 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
773 general purpose regs.
774 (ix86_emit_save_sse_regs_using_mov): New.
775 (ix86_expand_prologue): Save SSE regs if needed.
776 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
777 (ix86_emit_restore_sse_regs_using_mov): New.
778 (ix86_expand_epilogue): Save SSE regs if needed.
780 2009-01-06 Jan Hubicka <jh@suse.cz>
781 Kai Tietz <kai.tietz@onevision.com>
783 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
784 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
785 functions when accumulate outgoing args is off.
787 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
790 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
791 before using pseudos_have_intersected_live_ranges_p.
793 * ira-int.h (ira_assert): Always define.
795 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
797 AVX Programming Reference (December, 2008)
798 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
799 (_mm256_permute2_pd): Likewise.
800 (_mm_permute2_ps): Likewise.
801 (_mm256_permute2_ps): Likewise.
802 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
803 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
805 * config/i386/i386.c (ix86_builtins): Remove
806 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
807 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
808 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
809 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
810 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
811 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
812 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
813 __builtin_ia32_vpermil2ps256.
814 (ix86_init_mmx_sse_builtins): Updated.
815 (ix86_expand_args_builtin): Likewise.
817 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
819 * pa.c (output_call): Relocate non-jump insns in the delay slot of
820 long absolute calls when generating PA 2.0 code.
822 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
824 PR rtl-optimization/38583
825 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
827 * params.def (ira-max-conflict-table-size): New.
829 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
831 * ira.h (ira_conflicts_p): New external definition.
833 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
834 table. Report this. Return result of building.
835 (ira_build_conflicts): Use ira_conflicts_p. Check result of
836 building conflict table.
838 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
839 (ira_color): Use ira_conflicts_p.
841 * global.c: Include ira.h.
842 (pseudo_for_reload_consideration_p, build_insn_chain): Use
845 * Makefile.in (global.o): Add ira.h.
847 * ira-build.c (mark_all_loops_for_removal,
848 propagate_some_info_from_allocno): New.
849 (remove_unnecessary_allocnos): Call
850 propagate_some_info_from_allocno.
851 (remove_low_level_allocnos): New.
852 (remove_unnecessary_regions): Add parameter. Call
853 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
854 parameter to remove_unnecessary_regions.
855 (ira_build): Remove all regions but root if the conflict table was
856 not built. Update conflict hard regs for allocnos crossing calls.
858 * ira.c (ira_conflicts_p): New global.
859 (ira): Define and use ira_conflicts_p.
861 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
862 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
863 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
865 2009-01-06 Ben Elliston <bje@au.ibm.com>
867 * gengtype-lex.l (YY_NO_INPUT): Define.
869 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
872 * c-common.c (handle_vector_size_attribute): Also reject
875 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
877 PR tree-optimization/38492
878 * graphite.c (rename_map_elt, debug_rename_elt,
879 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
880 rename_map_elt_info, eq_rename_map_elts,
881 get_new_name_from_old_name, bb_in_sese_p): Moved around.
882 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
883 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
884 (sese_build_livein_liveouts): New.
885 (new_sese, free_sese): New.
886 (new_scop): Call new_sese.
887 (free_scop): Call free_sese.
888 (rename_variables_from_edge, rename_phis_end_scop): Removed.
889 (register_old_new_names): Renamed register_old_and_new_names.
890 (register_scop_liveout_renames, add_loop_exit_phis,
891 insert_loop_close_phis, struct igp,
892 default_liveout_before_guard, add_guard_exit_phis,
893 insert_guard_phis, copy_renames): New.
894 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
895 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
896 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
897 (scop_adjust_phis_for_liveouts): New.
898 (gloog): Call scop_adjust_phis_for_liveouts.
900 * graphite.h (struct sese): Documented. Added fields liveout,
902 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
903 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
904 (struct scop): Added field liveout_renames.
905 (SCOP_LIVEOUT_RENAMES): New.
907 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
909 PR tree-optimization/38510
910 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
911 (translate_clast): Call recompute_all_dominators before
913 (gloog): Call recompute_all_dominators before graphite_verify.
915 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
916 Jan Sjodin <jan.sjodin@amd.com>
918 PR tree-optimization/38500
919 * graphite.c (create_sese_edges): Call fix_loop_structure after
922 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
924 * config.gcc: Add m32r*-*-rtems*.
925 * config/m32r/rtems.h: New file.
927 2009-01-05 Ben Elliston <bje@au.ibm.com>
929 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
931 (po/gcc.pot): Likewise.
933 2009-01-04 David S. Miller <davem@davemloft.net>
935 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
936 (STARTING_FRAME_OFFSET): Always set to zero.
938 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
940 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
941 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
942 fixed-point types, and vectors of the same.
944 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
946 * config/mips/sync.md (*mb_barrier): Rename to...
947 (*memory_barrier): ...this.
949 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
951 * doc/extend.texi (Function Attributes): Move @cindex after @item
952 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
953 and put in alphabetical order. Fix 'target' name and put in order.
954 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
957 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
959 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
960 (memory_barrier): Expand as unspec instead of unspec_volatile.
961 Remove mem:BLK from insn operands. Use Pmode scratch register.
962 (*memory_barrier): Define as unspec instead of unspec_volatile.
963 Use (match_dup 0) as input operand.
965 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
966 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
967 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
968 scratch register. Remove operand 1.
969 (*stbar): Define as unspec instead of unspec_volatile.
970 Use (match_dup 0) as input operand, remove (const_int 8).
971 (*membar): Define as unspec instead of unspec_volatile.
972 Use (match_dup 0) as input operand, remove input operand 2.
974 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
975 (memory_barrier): Expand as unspec instead of unspec_volatile.
976 Remove mem:BLK from insn operands. Use Pmode scratch register.
977 (*memory_barrier): Define as unspec instead of unspec_volatile.
978 Use (match_dup 0) as input operand.
980 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
981 Remove mem:BLK from insn operands. Use Pmode scratch register.
982 Set volatile flag on operand 0.
983 (*memory_barrier): New insn pattern.
985 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
987 (*memory_barrier): Use (match_dup 0) as input operand.
989 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
990 Remove mem:BLK from insn operands. Use Pmode scratch register.
991 Set volatile flag on operand 0.
992 (*mb_internal): New insn pattern.
994 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
996 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
999 * function.c (struct temp_slot): Move to the section of the file
1000 that deals with temp slots. Remove field 'address'.
1001 (temp_slot_address_table): New hash table of address -> temp slot.
1002 (struct temp_slot_address_entry): New struct, items for the table.
1003 (temp_slot_address_compute_hash, temp_slot_address_hash,
1004 temp_slot_address_eq, insert_temp_slot_address): Support functions
1006 (find_temp_slot_from_address): Rewrite to use the new hash table.
1007 (remove_unused_temp_slot_addresses): Remove addresses of temp
1008 slots that have been made available.
1009 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1010 worker function for remove_unused_temp_slot_addresses.
1011 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1012 Add the temp slot address to the address -> temp slot map.
1013 (update_temp_slot_address): Update via insert_temp_slot_address.
1014 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1015 (pop_temp_slots): Likewise.
1016 (init_temp_slots): Allocate the address -> temp slot map, or empty
1017 the map if it is already allocated.
1018 (prepare_function_start): Initialize temp slot processing.
1020 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1023 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1024 Calculate the size of all stack vars assuming no packing of stack
1025 vars will happen, replacing a quadratic algorithm with a linear one.
1027 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1030 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1033 2009-01-03 Diego Novillo <dnovillo@google.com>
1035 * doc/contrib.texi: Update contributions.
1037 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1040 * builtins.c (fold_builtin_memory_op): Give up if either operand
1041 is volatile. Set srctype or desttype to non-qualified version
1045 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1048 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1050 PR rtl-optimization/35805
1051 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1052 problem if fast dce is able to remove any instructions.
1053 * dce.c (dce_process_block): Fix dump message.
1055 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1058 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1060 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1063 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1064 * tree-pretty-print.c (op_code_prio): New function.
1065 (op_prio): No longer static. Use op_code_prio.
1066 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1067 Use op_prio and op_code_prio to determine if () should be
1068 printed around operand(s) or not.
1070 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1071 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1072 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1073 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1074 pp_character instead of pp_string for single letter printing.
1076 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1078 * doc/extend.texi: Fix '#pragma GCC option' typo.
1080 2009-01-02 Richard Guenther <rguenther@suse.de>
1082 * doc/install.texi (--enable-checking): Mention different
1084 (--enable-stage1-checking): Document.
1086 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1089 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1090 case to be an error.
1092 2009-01-02 Ben Elliston <bje@au.ibm.com>
1094 * config/fp-bit.h (pack_d): Constify argument.
1095 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1096 (isnan): Constify argument.
1100 (_fpadd_parts): Constify return type.
1101 (_fpmul_parts): Likewise.
1102 (_fpdiv_parts): Likewise.
1104 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1107 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1108 warn about overwriting initializer with side-effects or
1109 -Woverride-init if !IMPLICIT.
1110 (output_init_element): Likewise. Pass IMPLICIT down to
1112 (process_init_element): Add IMPLICIT argument. Pass it down
1113 to output_init_element.
1114 (push_init_element, pop_init_level, set_designator): Adjust
1115 process_init_element callers.
1116 (set_nonincremental_init, set_nonincremental_init_from_string):
1117 Adjust add_pending_init callers.
1118 (output_pending_init_elements): Adjust output_init_element callers.
1119 * c-tree.h (process_init_element): Adjust prototype.
1120 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1121 process_init_element callers.