1 2010-05-05 Jakub Jelinek <jakub@redhat.com>
4 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
5 DW_ID_down_case for Fortran compilation units.
7 2010-05-05 Jan Hubicka <jh@suse.cz>
9 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
12 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
14 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
15 a variable-sized RESULT_DECL.
17 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
19 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
21 2010-05-05 Jason Merrill <jason@redhat.com>
24 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
26 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
28 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
29 Jakub Jelinek <jakub@redhat.com>
32 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
33 (dead_debug_init, dead_debug_finish): New functions.
34 (dead_debug_add, dead_debug_insert_before): Likewise.
35 (df_note_bb_compute): Initialize a dead_debug object, add dead
36 debug uses to it, insert debug bind insns before death insns,
37 reset debug insns that refer to pending uses at the end.
38 * rtl.h (make_debug_expr_from_rtl): New prototype.
39 * varasm.c (make_debug_expr_from_rtl): New function.
41 2010-05-05 Jan Hubicka <jh@suse.cz>
43 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
44 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
45 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
46 lto_varpool_encoder_encode_initializer_p,
47 lto_set_varpool_encoder_encode_initializer): New functions.
48 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
50 (input_varpool_node): Do not always set analyzed.
51 (input_cgraph_1): Return vector of cgraph nodes.
52 (input_varpool_1): Return vector of varpools.
53 (input_cgraph): Free the vectors.
54 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
55 output only initializers needed.
56 (lto_output): Only call output_cgraph.
57 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
58 * lto-section-out.c (lto_new_out_decl_state): Initialize
59 state->varpool_node_encoder.
60 * lto-streamer.h (lto_varpool_encoder_d): New.
61 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
62 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
63 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
64 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
65 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
67 (output_varpool, input_varpool): Remove declarations.
69 2010-05-05 Jan Hubicka <jh@suse.cz>
71 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
72 with body can prevail.
74 2010-05-05 Jan Hubicka <jh@suse.cz>
76 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
79 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
81 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
84 * gengtype.h (erro_at_line): Constify pos argument.
86 * gengtype.c: Include hashtab.h.
87 (enum gc_used): Document GC_MAYBE_POINTED_TO.
88 (error_at_line): Constify pos argument.
89 (do_typedef): Initialize p->opt field.
90 (get_file_gtfilename): Fix comment typo.
91 (struct walk_type_data): Constify line field.
92 (get_output_file_for_structure): New function.
93 (write_local_func_for_structure): Constify orig_s argument.
94 Use get_output_file_for_structure.
95 (write_func_for_structure): Use get_output_file_for_structure.
97 (dump_pair, dump_type, dump_type_list, dump_typekind)
98 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
99 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
101 (seen_types): New variable.
102 (main): New variable do_dump. Process "-d" command line option.
103 Call dump_everything if dump requested.
105 2010-05-05 Jakub Jelinek <jakub@redhat.com>
107 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
108 in a temporary instead of invoking the macro multiple times.
109 (track_expr_p): Likewise.
111 2010-05-04 Neil Vachharajani <nvachhar@google.com>
113 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
115 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
116 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
117 conditions for printing notes.
118 * common.opt (-Wcoverage-mismatch): Allow negative, default to
119 true, update documentation.
120 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
122 2010-05-04 Jakub Jelinek <jakub@redhat.com>
125 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
128 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
131 * config/i386/i386.md (sse_prologue_save): Add clobber CC
133 (*sse_prologue_save_insn1): Likewise.
134 (SSE prologue save splitter): Likewise.
136 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
138 * tree.c (free_lang_data_in_one_sizepos): New inline function.
139 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
140 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
141 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
142 all decls. Call it on DECL_FIELD_OFFSET of fields.
143 (find_decls_types_r): Follow DECL_VALUE_EXPR.
144 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
146 2010-05-04 Martin Jambor <mjambor@suse.cz>
148 * tree-sra.c (build_access_from_expr_1): The first parameter type
149 changed to simple tree.
150 (build_access_from_expr): Likewise, gsi parameter was eliminated.
151 (scan_assign_result): Renamed to assignment_mod_result, enum elements
153 (build_accesses_from_assign): Removed all parameters except for a
154 simple gimple statement. Now returns a simple bool.
155 (scan_function): All non-analysis parts moved to separate functions
156 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
157 parameters and updated both callers.
158 (sra_modify_expr): Removed parameter data.
159 (sra_modify_function_body): New function.
160 (perform_intra_sra): Call sra_modify_function_body to modify the
162 (replace_removed_params_ssa_names): Parameter data changed into
164 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
165 changed the parameter dont_convert to convert with the opposite
167 (sra_ipa_modify_assign): Parameter data changed into adjustments
168 vector, return value changed to bool.
169 (ipa_sra_modify_function_body): New function.
170 (sra_ipa_reset_debug_stmts): Updated a comment.
171 (modify_function): Use ipa_sra_modify_function_body to modify function
174 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
177 * alias.c (true_dependence): Handle the same VALUE in x and mem.
178 (canon_true_dependence): Likewise.
179 (write_dependence_p): Likewise.
181 2010-05-04 Jan Hubicka <jh@suse.cz>
183 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
184 * cgraphbuild.c: Include ipa-utils.h
185 (record_reference_ctx): New struct.
186 (record_reference): Simplify to work on initializers; not statements.
187 (mark_address, mark_load, mark_store): New.
188 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
190 (record_references_in_initializer): Update use of record_reference.
191 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
194 2010-05-04 Jan Hubicka <jh@suse.cz>
196 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
197 node will be removed anyway.
198 (lto_varpool_replace_node): Allow also unanalyzed nodes;
199 relink aliases of node into prevailing node.
200 * varpool.c (varpool_remove_node): Remove aliases properly;
201 when removing node, remove all its aliases too; remove DECL_INITIAL
202 of removed node; ggc_free the varpool node.
204 2010-05-04 Richard Guenther <rguenther@suse.de>
206 PR tree-optimization/43879
207 * tree-ssa-structalias.c (alias_get_name): Use
208 DECL_ASSEMBLER_NAME if available.
209 (create_function_info_for): Return the varinfo node.
210 (ipa_pta_execute): Associate same-body aliases and extra names
211 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
213 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
215 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
218 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
221 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
222 only if HONOR_REG_ALLOC_ORDER is not defined.
224 2010-05-04 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/43949
227 * tree-vrp.c (extract_range_from_binary_expr): Only handle
230 2010-04-26 Jason Merrill <jason@redhat.com>
232 * c.opt (-fstrict-enums): New.
233 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
235 2010-05-03 David Ung <davidu@mips.com>
236 James E. Wilson <wilson@codesourcery.com>
238 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
239 emit the trap instruction before the divide for TUNE_74K.
241 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
243 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
244 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
245 based on the above, for new target hook.
247 * hooks.c (hook_bool_mode_true): New generic hook.
248 * hooks.h (hook_bool_mode_true): Add prototype.
250 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
252 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
253 target hook, set to hook_bool_mode_false.
254 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
255 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
256 with targetm.small_register_classes_for_mode_p.
257 (find_reusable_reload): Likewise.
258 (combine_reloads): Likewise.
259 * reload1.c (reload_as_needed): Likewise.
260 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
261 * ifcvt.c (noce_process_if_block, check_cond_move_block,
262 dead_or_predicable): Likewise.
263 * regmove.c (optimize_reg_copy_1): Likewise.
264 * calls.c (prepare_call_address): Likewise.
265 (precompute_register_parameters): Likewise.
267 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
269 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
270 implementation of the hook that considers all register classes
271 small except for SH64.
272 (sh_override_options): Use the new hook.
273 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
276 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
278 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
279 implementation of the hook that considers all register classes
281 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
284 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
286 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
287 implementation of the hook that considers all register classes
289 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
292 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
294 * config/m32c/m32c.h: Likewise.
295 * config/pdp11/pdp11.h: Likewise.
296 * config/avr/avr.h: Likewise.
297 * config/xtensa/xtensa.h: Likewise.
298 * config/m68hc11/m68hc11.h: Likewise.
299 * config/mn10300/mn10300.h: Likewise.
300 * config/mcore/mcore.h: Likewise.
301 * config/h8300/h8300.h: Likewise.
302 * config/bfin/bfin.h: Likewise.
304 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
305 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
307 2010-05-03 Anatoly Sokolov <aesok@post.ru>
309 * double-int.h (tree_to_double_int): Remove macro.
310 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
311 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
312 (tree_to_double_int): New function.
313 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
315 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
317 2010-05-03 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/43971
320 * tree-ssa-structalias.c (get_constraint_for_1): Fix
321 constraints in the !flag_delete_null_pointer_checks case.
323 2010-05-03 Jakub Jelinek <jakub@redhat.com>
326 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
327 result mode matches original rtl mode.
329 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
332 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
334 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
336 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
337 when processing flag options.
339 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
341 * gcov-iov.c (main): Change format string placeholder
342 from %#08x to 0x%08x.
343 * genchecksum.c (dosum): Change format string placeholder
344 from %#02x to 0x%02x.
346 2010-05-02 Richard Guenther <rguenther@suse.de>
348 PR tree-optimization/43879
349 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
351 2010-05-02 Bruno Haible <bruno@clisp.org>
353 * doc/extend.texi (Function Attributes): Fix a typo.
355 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
358 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
359 placeholder from 0x%x to %#x.
360 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
361 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
362 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
363 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
364 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
365 * config/i386/i386.c (ix86_target_string): Ditto.
366 * config/i386/i386.c (output_pic_addr_const): Ditto.
367 (print_operand): Ditto.
369 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
371 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
372 placeholder from 0x%x to %#x.
373 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
374 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
375 (ASM_OUTPUT_DEBUG_DATA): Ditto.
376 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
377 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
378 * optc-gen.awk: Ditto.
379 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
380 (HOST_WIDE_INT_PRINT_HEX): Ditto.
381 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
382 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
384 2010-05-01 Anatoly Sokolov <aesok@post.ru>
386 * target.h (struct calls): Add function_value_regno_p field.
387 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
388 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
389 * targhooks.c (default_function_value_regno_p): New function.
390 * targhooks.h (default_function_value_regno_p): Declare function.
391 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
392 * builtins.c. (apply_result_size): (Ditto.).
393 * combine.c. (likely_spilled_retval_p): (Ditto.).
394 * mode-switching.c. Include 'target.h'.
395 (create_pre_exit): Use function_value_regno_p hook.
396 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
397 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
398 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
400 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
401 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
402 (ix86_function_value_regno_p): Declare as static, change argument
403 type to const unsigned int.
404 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
406 2010-05-01 Richard Guenther <rguenther@suse.de>
408 PR tree-optimization/43949
409 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
411 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
413 2010-05-01 Anatoly Sokolov <aesok@post.ru>
415 * rtl.h (CONST_DOUBLE_P): Define.
416 (rtx_to_double_int): Declare.
417 * emit-rtl.c (rtx_to_double_int): New function.
418 * dwarf2out.c (insert_double): New function.
419 (loc_descriptor, add_const_value_attribute): Clean up, use
420 rtx_to_double_int and insert_double functions.
422 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
424 * doc/extend.texi (Inline): Add missing return keyword to examples.
425 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
428 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
430 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
431 the variable part of the offset as well. Use highest_pow2_factor for
432 all alignment checks.
434 2010-04-30 Richard Guenther <rguenther@suse.de>
436 PR tree-optimization/43879
437 * tree-ssa-structalias.c (type_could_have_pointers): Functions
440 2010-04-30 Jan Hubicka <jh@suse.cz>
442 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
444 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
446 2010-04-30 Jan Hubicka <jh@suse.cz>
448 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
450 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
451 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
452 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
453 cgraph_node_set_needs_ltrans_p): Remove.
455 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
457 * sdbout.c: Include vec.h, do not include varray.h.
458 (deferred_global_decls, sdbout_global_decl,
459 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
460 * toplev.c: Do not include varray.h.
461 (dump_memory_report): Do not dump VARRAY statistics.
462 * gengtype.c (open_base_file): Ignore varray.h.
463 * Makefile.in: Update for abovementioned changes.
464 Remove all traces of varray.c and varray.h.
465 * varray.c: Remove file.
466 * varray.h: Remove file.
468 2010-04-30 Jan Hubicka <jh@suse.cz>
470 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
473 2010-04-30 Jan Hubicka <jh@suse.cz>
475 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
478 2010-04-30 Richard Guenther <rguenther@suse.de>
480 * tree-ssa-structalias.c (get_constraint_for_1): Generate
481 constraints for CONSTRUCTOR.
483 2010-04-30 Richard Guenther <rguenther@suse.de>
486 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
487 first after all lowering passes.
489 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
491 * toplev.c: Include varray.h for statistics dumping.
492 * tree.h: Do not declare varray_head_tag.
493 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
494 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
495 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
496 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
497 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
498 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
499 c-common.c, c-common.h, reg-stack.c, basic-block.h,
500 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
502 * Makefile.in: Update for abovementioned changes.
504 2010-04-30 Jakub Jelinek <jakub@redhat.com>
507 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
509 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
511 * config/picochip/picochip.c (picochip_legitimize_address): Define.
512 Use this function to do machine-specific conversion.
513 (picochip_legitimize_reload_address): Likewise.
514 (picochip_legitimate_address_p): Check valid base register only if
516 (picochip_check_conditional_copy): Check for modw only if opnd is
518 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
519 to call the function in c.
520 * config/picochip/picochip-protos.h
521 (picochip_legitimize_reload_address): Define.
522 * config/picochip/picochip.md (supported_compare1): Define.
524 2010-04-30 Jan Hubicka <jh@suse.cz>
526 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
527 (cgraph_global_info): Remove inlined.
528 (LTO_cgraph_tag_names): Remove.
529 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
530 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
531 simplify cgraph tags and document.
532 (lto_output_node): Use only LTO_cgraph_unavail_node and
533 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
534 for_functions_valid, global info, process and output flags.
535 (input_overwrite_node): Initialize estimated stack size and
536 estimated growth. Do not read flags we no longer store.
537 (input_node): Likewise do not read info no longer stored.
538 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
541 2010-04-30 Richard Guenther <rguenther@suse.de>
543 PR tree-optimization/43879
544 * tree-ssa-structalias.c (get_constraint_for_1): Properly
545 handle non-zero initializers.
547 2010-04-30 Richard Guenther <rguenther@suse.de>
549 * builtins.c (fold_builtin_1): Delete free (0).
551 2010-04-29 Jan Hubicka <jh@suse.cz>
553 * gengtype.c (open_base_files): Add lto-streamer.h
554 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
555 (pass_ipa_cp): GGC collect.
556 * toplev. (compile_file): Do not output symbols.
557 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
558 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
559 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
560 * lto-section-in.c: Include ggc.h
561 (lto_new_in_decl_state): Alloc in GGC.
562 (lto_delete_in_decl_state): Likewise.
563 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
566 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
569 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
570 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
571 (HONOR_REG_ALLOC_ORDER): Describe new macro.
572 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
573 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
574 account only if HONOR_REG_ALLOC_ORDER is not defined.
575 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
576 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
578 2010-04-29 Jon Grant <04@jguk.org>
580 * collect2.c (vflag): Change type from int to bool.
582 (helpflag): New global bool.
583 (main): Set vflag and debug with boolean, not integer truth values.
584 Accept new "--help" option and output usage text if found.
585 * collect2.h (vflag): Update prototype.
588 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
591 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
593 2010-04-29 Richard Guenther <rguenther@suse.de>
596 * plugin.h (invoke_plugin_callbacks): Annotate arguments
597 with ATTRIBUTE_UNUSED.
599 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
602 * config/i386/i386.c (get_some_local_dynamic_name): Replace
603 INSN_P with NONDEBUG_INSN_P.
604 (distance_non_agu_define): Likewise.
605 (distance_agu_use): Likewise.
607 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
609 From Dominique d'Humieres <dominiq@lps.ens.fr>
611 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
614 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
616 * plugin.h (invoke_plugin_callbacks): New inline function.
617 * plugin.c (flag_plugin_added): New global flag.
618 (add_new_plugin): Initialize above flag.
619 (invoke_plugin_callbacks): Rename to ...
620 (invoke_plugin_callbacks_full): ... this.
622 2010-04-28 Jan Hubicka <jh@suse.cz>
624 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
625 (lto_varpool_replace_node): New.
626 (lto_symtab_resolve_symbols): Resolve varpool nodes.
627 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
628 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
629 * cgraph.h (varpool_node_ptr): New type.
630 (varpool_node_ptr): New vector.
631 (varpool_node_set_def): New structure.
632 (varpool_node_set): New type.
633 (varpool_node_set): New vector.
634 (varpool_node_set_element_def): New structure.
635 (varpool_node_set_element, const_varpool_node_set_element): New types.
636 (varpool_node_set_iterator): New type.
637 (varpool_node): Add prev pointers, add used_from_other_partition,
639 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
640 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
641 varpool_get_node, varpool_remove_node): Declare.
642 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
643 varpool_node_set_size): New inlines.
644 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
645 * tree-pass.h (varpool_node_set_def): Forward declare.
646 (ipa_opt_pass_d): Summary writting takes vnode sets too.
647 (ipa_write_optimization_summaries): Update prototype.
648 * ipa-cp.c (ipcp_write_summary): Update.
649 * ipa-reference.c (ipa_reference_write_summary): Update.
650 * lto-cgraph.c (lto_output_varpool_node): New static function.
651 (output_varpool): New function.
652 (input_varpool_node): New static function.
653 (input_varpool_1): New function.
654 (input_cgraph): Input varpool.
655 * ipa-pure-const.c (pure_const_write_summary): Update.
656 * lto-streamer-out.c (lto_output): Update, output varpool too.
657 (write_global_stream): Kill WPA hack.
658 (produce_asm_for_decls): Update.
659 (output_alias_pair_p): Handle variables.
660 (output_unreferenced_globals): Output only needed partition of varpool.
661 * ipa-inline.c (inline_write_summary): Update.
662 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
664 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
665 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
666 varpool_node_set_new, varpool_node_set_add,
667 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
668 debug_varpool_node_set): New functions.
669 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
670 (execute_one_pass): Process new decls too.
671 (ipa_write_summaries_2): Pass around vsets.
672 (ipa_write_summaries_1): Likewise.
673 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
675 (ipa_write_optimization_summaries_1): Pass around vsets.
676 (ipa_write_optimization_summaries): Likewise.
677 * varpool.c (varpool_get_node): New.
678 (varpool_node): Update doubly linked lists.
679 (varpool_remove_node): New.
680 (dump_varpool_node): More dumping.
681 (varpool_enqueue_needed_node): Update doubly linked lists.
682 (decide_is_variable_needed): Kill ltrans hack.
683 (varpool_finalize_decl): Kill lto hack.
684 (varpool_assemble_decl): Skip decls in other partitions.
685 (varpool_assemble_pending_decls): Update doubly linkes lists.
686 (varpool_empty_needed_queue): Likewise.
687 (varpool_extra_name_alias): Likewise.
688 * lto-streamer.c (lto_get_section_name): Add vars section.
689 * lto-streamer.h (lto_section_type): Update.
690 (output_varpool, input_varpool): Declare.
692 2010-04-28 Mike Stump <mikestump@comcast.net>
694 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
696 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
698 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
699 record or union type with RECORD_OR_UNION_TYPE_P predicate.
700 (lto_input_ts_type_tree_pointers): Likewise.
701 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
702 (lto_output_ts_type_tree_pointers): Likewise.
704 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
706 Uniquization of constants at the Tree level
707 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
708 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
710 (tree_output_constant_def): Declare.
711 * gimplify.c (gimplify_init_constructor): When using block copy, first
712 uniquize the constant constructor on the RHS.
713 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
714 DECL_IN_CONSTANT_POOL flag.
715 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
716 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
718 (assemble_variable): Deal with symbols belonging to the tree constant
720 (get_constant_section): Add ALIGN parameter and simplify.
721 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
722 (assemble_constant_contents): Use the expression of the VAR_DECL.
723 (output_constant_def_contents): Use the alignment of the VAR_DECL.
724 (tree_output_constant_def): New global function.
725 (mark_constant): Use the expression of the VAR_DECL.
726 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
728 (output_object_block): Likewise and assemble the expression.
730 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
732 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
733 hash_tree, eq_tree): New tree hash table.
734 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
735 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
736 lto_orig_address_remove): Reimplement.
738 2010-04-28 Xinliang David Li <davidxl@google.com>
741 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
742 (compute_uninit_opnds_pos): New function.
743 (is_non_loop_exit_postdominating): New function.
744 (compute_control_dep_chain): New function.
745 (find_pdom): New function.
746 (convert_control_dep_chain_into_preds): New function.
747 (find_predicates): New function.
748 (find_control_equiv_block): New function.
749 (collect_phi_def_edges): New function.
750 (find_def_preds): New function.
751 (find_dom): New function.
752 (dump_predicates): New function.
753 (get_cmp_code): New function.
754 (is_value_included_in): New function.
755 (find_matching_predicate_in_rest_chains): New function.
756 (use_pred_not_overlap_with_undef_path_pred): New function.
757 (is_use_properly_guarded): New function.
758 (normalize_cond_1): New function.
759 (is_and_or_or): New function.
760 (normalize_cond): New function.
761 (is_gcond_subset_of): New function.
762 (is_subset_of_any): New function.
763 (is_or_set_subset_of): New function.
764 (is_and_set_subset_of): New function.
765 (is_norm_cond_subset_of): New function.
766 (is_pred_expr_subset_of): New function.
767 (is_pred_chain_subset_of): New function.
768 (is_included_in): New function.
769 (is_superset_of): New function.
770 (find_uninit_use): New function.
771 (warn_uninitialized_phi): New function.
772 (compute_possibly_undefined_names): New function.
773 (ssa_undefined_value_p): New function.
774 (execute_late_warn_uninitialized): New function.
775 * tree-ssa.c (ssa_undefined_value_p): Removed.
776 (warn_uninit): Changed to extern.
777 (warn_uninitialized_phi): Removed.
778 (warn_uninitialized_vars): Changed to extern.
779 (execute_late_warn_uninitialized): Removed
780 * tree-flow.h: Add new prototypes.
781 * timevar.def: Add new time variable.
782 * Makefile.in: Add new build file.
784 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
786 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
789 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
792 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
794 2010-04-28 Martin Jambor <mjambor@suse.cz>
796 * cgraph.h (struct cgraph_node): New field indirect_calls.
797 (struct cgraph_indirect_call_info): New type.
798 (struct cgraph_edge): Removed field indirect_call. New fields
799 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
800 (cgraph_create_indirect_edge): Declare.
801 (cgraph_make_edge_direct): Likewise.
802 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
803 * ipa-prop.h (struct ipa_param_call_note): Removed.
804 (struct ipa_node_params): Removed field param_calls.
805 (ipa_create_all_structures_for_iinln): Declare.
806 * cgraph.c: Described indirect edges and uids in initial comment.
807 (cgraph_add_edge_to_call_site_hash): New function.
808 (cgraph_edge): Search also among the indirect edges, use
809 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
810 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
811 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
813 (initialize_inline_failed): Assign a reason to indirect edges.
814 (cgraph_create_edge_1): New function.
815 (cgraph_create_edge): Moved some functionality to
816 cgraph_create_edge_1.
817 (cgraph_create_indirect_edge): New function.
818 (cgraph_edge_remove_callee): Add an assert checking for
820 (cgraph_edge_remove_caller): Special-case indirect edges.
821 (cgraph_remove_edge): Likewise.
822 (cgraph_set_edge_callee): New function.
823 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
824 (cgraph_make_edge_direct): New function.
825 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
826 the declaration of the call statement matches.
827 (cgraph_node_remove_callees): Special-case indirect edges.
828 (cgraph_clone_edge): Likewise.
829 (cgraph_clone_node): Clone also the indirect edges.
830 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
831 indirect_call, dump count of indirect_calls edges.
832 * ipa-prop.c (iinlining_processed_edges): New variable.
833 (ipa_note_param_call): Create indirect edges instead of
834 creating notes. New parameter node.
835 (ipa_analyze_call_uses): New parameter node, pass it on to
837 (ipa_analyze_stmt_uses): Likewise.
838 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
839 (print_edge_addition_message): Work on edges rather than on notes.
840 (update_call_notes_after_inlining): Likewise, renamed to
841 update_indirect_edges_after_inlining.
842 (ipa_create_all_structures_for_iinln): New function.
843 (ipa_free_node_params_substructures): Do not free notes.
844 (ipa_edge_duplication_hook): Propagate bits within
845 iinlining_processed_edges bitmap.
846 (ipa_node_duplication_hook): Do not duplicate notes.
847 (free_all_ipa_structures_after_ipa_cp): Renamed to
848 ipa_free_all_structures_after_ipa_cp.
849 (free_all_ipa_structures_after_iinln): Renamed to
850 ipa_free_all_structures_after_iinln.g
851 (ipa_write_param_call_note): Removed.
852 (ipa_read_param_call_note): Removed.
853 (ipa_write_indirect_edge_info): New function.
854 (ipa_read_indirect_edge_info): Likewise.
855 (ipa_write_node_info): Do not stream notes, do stream information
857 (ipa_read_node_info): Likewise.
858 (lto_ipa_fixup_call_notes): Removed.
859 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
860 * ipa-inline.c (pass_ipa_inline): Likewise.
861 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
862 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
863 * tree-inline.c (copy_bb): Removed an unnecessary double check for
865 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
867 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
868 (output_cgraph): Stream also indirect edges.
869 (lto_output_edge): Added capability to stream indirect edges.
870 (input_edge): Likewise.
871 (input_cgraph_1): Likewise.
872 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
875 2010-04-28 Richard Guenther <rguenther@suse.de>
877 PR tree-optimization/43879
878 PR tree-optimization/43909
879 * tree-ssa-structalias.c (struct variable_info): Add
880 only_restrict_pointers flag.
881 (new_var_info): Initialize it. Increment stats.total_vars here.
882 (create_function_info_for): Do not increment stats.total_vars
884 (get_function_part_constraint): Fix build with C++.
885 (insert_into_field_list): Remove.
886 (push_fields_onto_fieldstack): Properly merge fields.
887 (create_variable_info_for): Split and simplify.
888 (create_variable_info_for_1): New piece.
889 (intra_create_variable_infos): Properly make restrict constraints
892 2010-04-28 Richard Guenther <rguenther@suse.de>
895 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
897 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
898 Jan Hubicka <hubicka@ucw.cz>
900 * doc/invoke.texi (-Wsuggest-attribute=const,
901 -Wsuggest-attribute=pure): Document.
902 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
903 (function_always_visible_to_compiler_p,
904 suggest_attribute, warn_function_pure, warn_function_const):
906 (check_call): Improve debug info.
907 (analyze_function): Do not check availability.
908 (add_new_function): Check availability.
909 (propagate): Output warnings.
910 (skip_function_for_local_pure_const): New function.
911 (local_pure_const): Use it; output warnings.
912 * common.opt (Wsuggest-attribute=const,
913 Wsuggest-attribute=pure): New.
915 2010-04-27 Jakub Jelinek <jakub@redhat.com>
917 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
918 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
919 or DW_CFA_def_cfa_offset{,_sf}.
921 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
923 * tree.h: Fix truncated long macros.
925 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
927 * collect2.c (TARGET_64BIT): Redefine to target's default.
929 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
930 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
931 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
932 for underscoring __USER_LABEL_PREFIX__.
933 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
934 (SUB_LINK_ENTRY32): New.
935 (SUB_LINK_ENTRY64): New.
936 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
937 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
938 (SUB_LINK_ENTRY64): New.
939 (SUB_LINK_ENTRY): New.
940 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
941 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
942 x64 target is choosen.
943 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
944 * configure: Regenerated.
945 * configure.ac (leading-mingw64-underscores): Option added.
947 2010-04-27 Jan Hubicka <jh@suse.cz>
949 * doc/invoke.texi (-fipa-profile): Document.
950 * opts.c (decode_options): Enable ipa-profile at -O1.
951 * timevar.def (TV_IPA_PROFILE): Define.
952 * common.opt (fipa-profile): Add.
953 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
955 (cgraph_propagate_frequency): Handle only local ones.
956 * tree-pass.h (pass_ipa_profile): Declare.
957 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
958 (pass_ipa_profile): Use TV_IPA_PROFILE.
959 * ipa.c (ipa_profile): New function.
960 (gate_ipa_profile): Likewise.
961 (pass_ipa_profile): New global variable.
962 * passes.c (pass_ipa_profile): New.
964 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
966 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
968 2010-04-27 Martin Jambor <mjambor@suse.cz>
971 * ipa.c (dissolve_same_comdat_group_list): New function.
972 (function_and_variable_visibility): Call
973 dissolve_same_comdat_group_list when comdat group contains external or
975 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
976 lists are circular and that they contain only DECL_ONE_ONLY nodes.
978 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
980 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
981 (const_hash_1) <VECTOR_CST>: New case.
982 (compare_constant) <VECTOR_CST>: Likewise.
983 <ADDR_EXPR>: Deal with LABEL_REFs.
984 (copy_constant) <VECTOR_CST>: New case.
986 2010-04-27 Jan Hubicka <jh@suse.cz>
988 * cgraph.c (cgraph_propagate_frequency): New function.
989 * cgraph.h (cgraph_propagate_frequency): Declare.
990 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
991 cgraph_propagate_frequency.
993 2010-04-27 Jakub Jelinek <jakub@redhat.com>
995 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
997 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1000 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1001 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1002 here to determine which regs to push and how much stack to reserve.
1004 2010-04-27 Jie Zhang <jie@codesourcery.com>
1006 * doc/gimple.texi (gimple_statement_with_ops): Remove
1007 addresses_taken field.
1008 (gimple_statement_with_memory_ops): Likewise.
1010 2010-04-27 Jan Hubicka <jh@suse.cz>
1012 * tree-inline.c (eni_inlining_weights): Remove.
1013 (estimate_num_insns): Special case more builtins.
1015 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1018 * c-typeck.c (build_binary_op): Move forward check for comparison
1019 pointer with null pointer constant and adjust the diagnostic message.
1021 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1024 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1025 binutils supports extended .section directive needed by LTO, or
1026 warn if older binutils found.
1027 (LTO_BINARY_READER): New AC_SUBST'd variable.
1028 (LTO_USE_LIBELF): Likewise.
1029 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1031 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1032 (LTO_USE_LIBELF): Likewise.
1033 * configure: Regenerate.
1035 * collect2.c (is_elf): Rename from this ...
1036 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1037 object files in addition to ELF-formatted ones.
1038 (scan_prog_file): Caller updated. Also allow for LTO info marker
1039 symbol to be prefixed or not by an extra underscore.
1041 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1042 * config/i386/winnt.c: Also #include lto-streamer.h
1043 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1045 (i386_pe_asm_output_aligned_decl_common): Add comment.
1046 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1048 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1051 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1052 Add missing earlyclobber for second alternative.
1054 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1056 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1057 bits for artificial defs at the top of the block.
1058 * fwprop.c (single_def_use_enter_block): Don't call it.
1060 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1063 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1064 instead of "$gcc_cv_objdump -T".
1065 Use "-undefined dynamic_lookup" on darwin.
1066 * gcc/configure: Regenerate.
1068 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1071 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1073 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1075 * c-parser.c (struct c_token): Move location field up.
1076 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1077 (struct c_declspecs): Convert typespec_word, storage_class, and
1078 default_int_p into bitfields.
1079 (struct c_declarator): Move loc field up.
1081 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1083 * cfgloop.h (struct loop): Move can_be_parallel field up.
1084 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1085 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1087 (struct iv_cand): Convert pos field into a bitfield.
1088 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1090 (struct _stmt_vec_info): Shuffle fields for better packing.
1092 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1094 * varasm.c (IN_NAMED_SECTION): Remove guard.
1095 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1096 (IN_NAMED_SECTION_P): ...this.
1097 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1098 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1100 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1102 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1103 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1104 of shadowing it. Fix comments.
1106 2010-04-26 Jan Hubicka <jh@suse.cz>
1108 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1109 (cgraph_clone_node): Copy function frequency.
1110 * cgraph.h (node_frequency): New enum
1111 (struct cgraph_node): Add.
1112 * final.c (rest_of_clean_state): Update.
1113 * lto-cgraph.c (lto_output_node): Output node frequency.
1114 (input_overwrite_node): Input node frequency.
1115 * tre-ssa-loop-ivopts (computation_cost): Update.
1116 * lto-streamer-out.c (output_function): Do not output function
1118 * predict.c (maybe_hot_frequency_p): Update and handle functions
1120 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1122 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1123 (compute_function_frequency): Set noreturn functions to be executed
1125 (choose_function_section): Update.
1126 * lto-streamer-in.c (input_function): Do not input function frequency.
1127 * function.c (allocate_struct_function): Do not initialize function
1129 * function.h (function_frequency): Remove.
1130 (struct function): Remove function frequency.
1131 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1132 (try_update): Update.
1133 * tree-inline.c (initialize_cfun): Do not update function frequency.
1134 * passes.c (pass_init_dump_file): Update.
1135 * i386.c (ix86_compute_frame_layout): Update.
1136 (ix86_pad_returns): Update.
1138 2010-04-26 Jie Zhang <jie@codesourcery.com>
1140 PR tree-optimization/43833
1141 * tree-vrp.c (range_int_cst_p): New.
1142 (range_int_cst_singleton_p): New.
1143 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1144 when both operands are constants. Use range_int_cst_p in
1147 2010-04-26 Jan Hubicka <jh@suse.cz>
1149 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1151 2010-04-26 Richard Guenther <rguenther@suse.de>
1154 * gimple.c (gimple_decl_printable_name): Deal gracefully
1155 with a NULL DECL_NAME.
1157 2010-04-26 Richard Guenther <rguenther@suse.de>
1160 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1161 if emitting debug information and it is either a function
1162 or a namespace decl.
1164 2010-04-26 Ira Rosen <irar@il.ibm.com>
1166 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1167 determine if the statement is vectorizable, and a macro to access it.
1168 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1169 Skip statements that can't be vectorized. If the analysis fails,
1170 mark the statement as unvectorizable if vectorizing basic block.
1171 (vect_compute_data_refs_alignment): Likewise.
1172 (vect_verify_datarefs_alignment): Skip statements marked as
1173 unvectorizable. Add print.
1174 (vect_analyze_group_access): Skip statements that can't be
1175 vectorized. If the analysis fails, mark the statement as
1176 unvectorizable if vectorizing basic block.
1177 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1178 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1179 generated stmts for SLP.
1180 (new_stmt_vec_info): Initialize the new field.
1181 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1182 statements marked as unvectorizable.
1184 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1186 * c-common.c (flag_isoc1x): New.
1187 (flag_isoc99): Update comment.
1188 * c-common.h (flag_isoc1x): New.
1189 (flag_isoc99): Update comment.
1190 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1191 __<type>_DECIMAL_DIG__.
1192 * c-opts.c (set_std_c1x): New.
1193 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1194 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1195 * c.opt (-std=c1x, -std=gnu1x): New options.
1196 * doc/cpp.texi: Mention -std=c1x.
1197 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1198 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1199 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1200 * doc/standards.texi: Mention C1X.
1201 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1202 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1203 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1206 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1208 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1209 placeholder from 0x%x to %#x.
1210 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1211 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1212 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1213 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1214 * config/i386/i386.c (ix86_target_string): Ditto.
1215 (output_pic_addr_const): Ditto.
1216 (print_operand): Ditto.
1218 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1220 * combine.c (find_split_point): Add third argument. Use it
1221 to find nested multiply-accumulate instructions. Adjust calls.
1222 (try_combine): Adjust call to find_split_point.
1224 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1226 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1228 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1230 PR tree-optimization/41442
1231 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1232 (fold_binary_loc): Call it.
1234 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1236 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1237 * opts.c (common_handle_option): Allow disabling it.
1238 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1240 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1242 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1243 between modes if both types are integral.
1245 2010-04-23 Richard Guenther <rguenther@suse.de>
1247 PR tree-optimization/43572
1248 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1250 2010-04-23 Richard Guenther <rguenther@suse.de>
1253 * tree-inline.c (tree_can_inline_p): Also check compatibility
1256 2010-04-23 Martin Jambor <mjambor@suse.cz>
1258 PR tree-optimization/43846
1259 * tree-sra.c (struct access): New flag grp_assignment_read.
1260 (build_accesses_from_assign): Set grp_assignment_read.
1261 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1262 (enum mark_read_status): New type.
1263 (analyze_access_subtree): Propagate grp_assignment_read, create
1264 accesses also if both direct_read and root->grp_assignment_read.
1266 2010-04-23 Martin Jambor <mjambor@suse.cz>
1269 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1270 function does not have type attributes.
1272 2010-04-23 Richard Guenther <rguenther@suse.de>
1275 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1278 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1280 * sese.h (create_if_region_on_edge): Remove.
1282 * sese.c (create_if_region_on_edge): Make static.
1284 * tree-inline.c: Do not include ggc.h.
1286 * expr.c: Do not include ggc.h.
1288 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1291 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1294 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1295 in the middle of insns for casesi_worker_2.
1297 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1299 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1301 2010-04-22 Ira Rosen <irar@il.ibm.com>
1303 PR tree-optimization/43842
1304 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1305 loop unrolling in update of exit phis. Fix comment.
1306 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1307 least two reduction statements in the loop before starting SLP
1310 2010-04-22 Nick Clifton <nickc@redhat.com>
1312 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1314 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1316 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1319 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1321 * tree-parloops.c (loop_parallel_p): New argument
1322 parloop_obstack. Pass it down.
1323 (parallelize_loops): New variable parloop_obstack. Initialize it,
1324 pass it down, free it.
1326 * tree-loop-linear.c (linear_transform_loops): Pass down
1329 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1330 of type struct obstack *.
1332 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1333 scratch_obstack. Initialize it, pass down, free it.
1335 * lambda.h (lambda_loop_new): Remove.
1336 (lambda_matrix_new, lambda_matrix_inverse)
1337 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1338 argument of type struct obstack *.
1340 * lambda-trans.c (lambda_trans_matrix_new): New argument
1341 lambda_obstack. Pass it down, use obstack allocation for ret.
1342 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1345 * lambda-mat.c (lambda_matrix_get_column)
1346 (lambda_matrix_project_to_null): Remove.
1347 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1349 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1352 * lambda-code.c (lambda_loop_new): New function.
1353 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1354 (lambda_compute_auxillary_space, lambda_compute_target_space)
1355 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1356 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1357 (build_access_matrix): New argument lambda_obstack. Use obstack
1359 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1360 argument lambda_obstack. Pass it down.
1362 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1364 * optabs.h (expand_widening_mult): Declare.
1366 2010-04-22 Richard Guenther <rguenther@suse.de>
1368 PR tree-optimization/43845
1369 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1370 lookup the CALL_EXPR function and arguments.
1372 2010-04-22 Nick Clifton <nickc@redhat.com>
1374 * config/stormy16/stormy16.c
1375 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1376 * config/stormy16/stormy16.h: Tidy up formatting.
1377 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1378 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1379 (ineqbranchsi): Delete pattern.
1380 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1381 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1382 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1383 stormy16-lib2-ucmpsi2.c.
1385 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1387 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1388 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1389 extra set merge_set_noclobber, and use it to relax the final test
1391 * df.h (df_simulate_find_noclobber_defs): Declare.
1392 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1394 (df_simulate_find_noclobber_defs): New function.
1396 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1398 * config/i386/i386.md: Use {} around multi-line preparation statements.
1400 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1402 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1403 (process_init_element): New argument of type struct obstack *.
1405 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1406 (set_init_index, set_init_label, set_nonincremental_init)
1407 (set_nonincremental_init_from_string, find_init_member)
1408 (output_init_element, output_pending_init_elements)
1409 (process_init_element): New argument braced_init_obstack. Pass it
1411 (push_range_stack, add_pending_init): New argument
1412 braced_init_obstack. Use obstack allocation.
1414 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1415 braced_init_obstack. Pass it down.
1416 (c_parser_braced_init): New variables ret, braced_init_obstack.
1417 Initialize obstack, pass it down and finally free it.
1419 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1422 * tree-pass.h (pass_optimize_widening_mul): Declare.
1423 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1424 gate_optimize_widening_mul): New static functions.
1425 (pass_optimize_widening_mul): New.
1426 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1427 <case MULT_EXPR>: Remove support for widening multiplies.
1428 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1429 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1430 simplify_gen_unary rather than directly building extensions.
1431 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1433 * expmed.c (expand_widening_mult): New function.
1434 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1436 2010-04-21 Jan Hubicka <jh@suse.cz>
1438 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1439 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1440 * lto-wpa-fixup.c: Remove.
1441 * Makefile.in (lto-wpa-fixup.o): Remove.
1442 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1443 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1444 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1446 2010-04-21 Jan Hubicka <jh@suse.cz>
1448 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1449 add write_optimization_summary, read_optimization_summary.
1450 (ipa_write_summaries_of_cgraph_node_set): Remove.
1451 (ipa_write_optimization_summaries): Declare.
1452 (ipa_read_optimization_summaries): Declare.
1453 * ipa-cp.c (pass_ipa_cp): Update.
1454 * ipa-reference.c (pass_ipa_reference): Update.
1455 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1456 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1458 * ipa-inline.c (pass_ipa_inline): Update.
1459 * ipa.c (pass_ipa_whole_program): Update.
1460 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1461 * passes.c (ipa_write_summaries_1): Do not test wpa.
1462 (ipa_write_optimization_summaries_1): New.
1463 (ipa_write_optimization_summaries): New.
1464 (ipa_read_summaries): Do not test ltrans.
1465 (ipa_read_optimization_summaries_1): New.
1466 (ipa_read_optimization_summaries): New.
1468 2010-04-21 Jan Hubicka <jh@suse.cz>
1470 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1472 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1474 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1477 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1478 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1480 2010-04-21 Jan Hubicka <jh@suse.cz>
1482 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1484 2010-04-21 Jan Hubicka <jh@suse.cz>
1486 * varpool.c (decide_is_variable_needed): Variable is always needed
1489 2010-04-21 Jan Hubicka <jh@suse.cz>
1491 * opts.c (decode_options): Enable pure-const pass for whopr.
1493 2010-04-21 Jan Hubicka <jh@suse.cz>
1495 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1496 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1498 (cgraph_decide_inlining): Do not expect callee to be removed in all
1501 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1503 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1505 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1507 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1508 amdfam10_decode attributes.
1510 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1513 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1514 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1515 (lower_copyprivate_clauses): Use private var in outer
1516 context instead of original var. Make sure the types
1517 are correct for VLAs.
1519 2010-04-21 Richard Guenther <rguenther@suse.de>
1521 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1522 to non-pointer objects.
1524 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1526 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1527 last chain entry if it starts with the still current label.
1528 (add_location_or_const_value_attribute): Check that
1529 loc_list->first->next is NULL instead of comparing ->first with ->last.
1530 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1531 to add_var_loc_to_decl.
1533 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1534 >= 4 add also address size and segment size fields into CIE header.
1536 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1537 long as address size is the same as sizeof (void *) and
1539 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1540 address size or segment size is unexpected, return DW_EH_PE_omit.
1541 (classify_object_over_fdes): If get_cie_encoding returned
1542 DW_EH_PE_omit, return -1.
1543 (init_object): If classify_object_over_fdes returned -1,
1544 pretend there were no FDEs at all.
1546 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1548 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1549 bswap{si,di}2 using SWI48 mode iterator.
1550 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1551 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1552 set modrm attribute of bswap insn to 0 and remove length attribute.
1553 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1554 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1555 set mode attribute to <MODE> and remove length attribute.
1557 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1559 PR rtl-optimization/43520
1560 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1561 zero available registers.
1563 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1565 * builtins.c (fold_builtin_cproj): Fold more cases.
1567 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1569 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1570 (fold_builtin_1): Fold builtin cproj.
1571 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1572 Use ATTR_CONST_NOTHROW_LIST.
1574 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1576 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1577 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1578 ffsi2_no_cmove for !TARGET_CMOVE.
1579 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1580 (ffssi2): Remove expander.
1581 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1583 (ctz<mode>2): Ditto from ctz{si,di}2.
1584 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1586 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1589 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1591 * dwarf2out.c (AT_linkage_name): Define.
1592 (clone_as_declaration): Handle DW_AT_linkage_name.
1593 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1594 of DW_AT_MIPS_linkage_name.
1595 (move_linkage_attr): Likewise.
1596 (dwarf2out_finish): Likewise.
1598 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1601 * fold-const.c (fold_comparison): New folding rule.
1603 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1605 * double-int.h (double_int_setbit): Declare.
1606 * double-int.c (double_int_setbit): New function.
1607 * rtl.h (immed_double_int_const): Declare.
1608 * emit-rtl.c (immed_double_int_const): New function.
1609 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1610 and immed_double_int_const functions.
1611 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1612 expand_copysign_bit): (Ditto.).
1613 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1614 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1615 * dojump.c (prefer_and_bit_test): (Ditto.).
1616 * expr.c (convert_modes, reduce_to_bit_field_precision,
1617 const_vector_from_tree): (Ditto.).
1618 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1620 2010-04-20 Jan Hubicka <jh@suse.cz>
1622 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1623 (dump_cgraph_node): Dump new flags.
1624 * cgraph.h (struct cgraph_node): Add flags
1625 reachable_from_other_partition and in_other_partition.
1626 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1627 other partition can not be removed.
1628 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1629 the other partition must be output; silence sanity checking on
1630 leaking functions bodies from other paritition.
1631 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1632 (lto_output_node): Output new flags; do not sanity check that inline
1633 clones are output; drop lto_forced_extern_inline_p code; do not mock
1634 visibility flags at partition boundaries.
1635 (add_node_to): New function.
1636 (output_cgraph): Use it to sort functions so masters appear before
1638 (input_overwrite_node): Input new flags.
1639 * passes.c (ipa_write_summaries): Do not call
1640 lto_new_extern_inline_states.
1641 * lto-section-out.c (forced_extern_inline,
1642 lto_new_extern_inline_states lto_delete_extern_inline_states,
1643 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1644 * lto-streamer.h (lto_new_extern_inline_states,
1645 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1646 lto_forced_extern_inline_p): Kill.
1648 2010-04-20 Richard Guenther <rguenther@suse.de>
1650 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1651 from vars that can have pointers.
1652 (process_constraint): Dump useless constraints.
1654 2010-04-20 Richard Guenther <rguenther@suse.de>
1656 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1657 (dump_sa_points_to_info): Remove asserts.
1658 (init_base_vars): nothing_id isn't an escape point nor does it
1661 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1663 * tree.h (TYPE_REF_IS_RVALUE): Define.
1664 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1665 should_move_die_to_comdat, prune_unused_types_walk): Handle
1666 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1667 (modified_type_die, gen_reference_type_die): Emit
1668 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1669 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1671 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1674 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1675 calls for -fpic -m31 if they have been sibcall optimized.
1677 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1679 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1680 ar.lc fixed and call-used.
1682 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1684 2010-04-19 Jan Hubicka <jh@suse.cz>
1686 * opts.c (decode_options): Disable whpr incompatible passes.
1687 * lto/lto.c (lto_1_to_1_map): Skip clones.
1688 (read_cgraph_and_symbols): Do not mark everything as needed.
1689 (do_whole_program_analysis): Do map only after optimizing;
1690 set proper cgraph_state; use passmanager.
1692 2010-04-19 DJ Delorie <dj@redhat.com>
1694 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1695 POINTER_PLUS_EXPR and fix them.
1697 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1699 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1700 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1701 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1702 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1703 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1704 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1705 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1706 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1707 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1708 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1709 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1711 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1713 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1714 (check_cond_move_block): Likewise.
1715 (cond_move_process_if_block): Likewise.
1716 (noce_find_if_block): Improve formatting.
1717 (find_if_header): Pass 0 to memset and tweak conditions.
1718 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1720 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1722 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1726 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1727 with non-local decl doesn't need chain.
1729 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1731 * ira-color.c (allocno_reload_assign): Avoid accumulating
1732 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1734 2010-04-19 Martin Jambor <mjambor@suse.cz>
1736 * gimple.h (create_tmp_reg): Declare.
1737 * gimplify.c (create_tmp_reg): New function.
1738 (gimplify_return_expr): Use create_tmp_reg.
1739 (gimplify_omp_atomic): Likewise.
1740 (gimple_regimplify_operands): Likewise.
1741 * tree-dfa.c (make_rename_temp): Likewise.
1742 * tree-predcom.c (predcom_tmp_var): Likewise.
1743 (reassociate_to_the_same_stmt): Likewise.
1744 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1745 (get_replaced_param_substitute): Likewise.
1746 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1747 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1748 * tree-ssa-pre.c (get_representative_for): Likewise.
1749 (create_expression_by_pieces): Likewise.
1750 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1751 (create_tailcall_accumulator): Likewise.
1753 2010-04-19 Martin Jambor <mjambor@suse.cz>
1755 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1757 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1759 2010-04-19 Richard Guenther <rguenther@suse.de>
1761 PR tree-optimization/43796
1762 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1763 from SCEV in the lattice.
1764 (vrp_visit_phi_node): Dump change.
1766 2010-04-19 Richard Guenther <rguenther@suse.de>
1768 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1769 * configure: Re-generated.
1771 2010-04-19 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/43783
1774 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1775 constant ARRAY_REF operands two and three if possible.
1777 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1780 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1782 2010-04-19 Jie Zhang <jie@codesourcery.com>
1785 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1787 2010-04-19 Ira Rosen <irar@il.ibm.com>
1789 PR tree-optimization/37027
1790 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1791 and macro to access it.
1792 (vectorizable_reduction): Add argument.
1793 (vect_get_slp_defs): Likewise.
1794 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1795 statements for possible use in SLP.
1796 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1797 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1798 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1800 (vectorizable_reduction): Likewise.
1801 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1803 (vectorizable_type_demotion, vectorizable_type_promotion,
1804 vectorizable_store): Likewise.
1805 (vect_analyze_stmt): Update call to vectorizable_reduction.
1806 (vect_transform_stmt): Likewise.
1807 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1808 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1809 from different interleaving chains in same node.
1810 (vect_slp_rearrange_stmts): New function.
1811 (vect_supported_load_permutation_p): Allow load permutations for
1812 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1813 inside SLP nodes if necessary.
1814 (vect_analyze_slp_instance): Handle reductions.
1815 (vect_analyze_slp): Try to build SLP instances originating from groups
1817 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1818 (vect_get_constant_vectors): Create initial vectors for reductions
1819 according to reduction code. Add new argument.
1820 (vect_get_slp_defs): Add new argument, pass it to
1821 vect_get_constant_vectors.
1822 (vect_schedule_slp_instance): Remove SLP tree root statements.
1824 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1826 * tree.h (ENUM_IS_SCOPED): Define.
1827 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1828 for ENUM_IS_SCOPED enums.
1830 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1832 * fold-const.c (fold_comparison): Use ssizetype.
1833 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1834 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1835 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1836 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1838 * tree.h (initialize_sizetypes): Remove parameter.
1839 (build_common_tree_nodes): Remove second parameter.
1840 * stor-layout.c (initialize_sizetypes): Remove parameter.
1841 Always create an unsigned type.
1842 (set_sizetype): Assert that the passed type is unsigned and simplify.
1843 * tree.c (build_common_tree_nodes): Remove second parameter.
1844 Adjust call to initialize_sizetypes.
1845 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1846 build_common_tree_nodes.
1848 2010-04-18 Matthias Klose <doko@ubuntu.com>
1850 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1852 2010-04-18 Ira Rosen <irar@il.ibm.com>
1854 PR tree-optimization/43771
1855 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1856 load permutation doesn't have gaps.
1858 2010-04-18 Jan Hubicka <jh@suse.cz>
1860 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1861 (sse_prologue_save_insn expander): Use new pattern.
1862 (sse_prologue_save_insn1): New pattern and splitter.
1863 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1865 * i386.c (setup_incoming_varargs_64): Do not compute jump
1867 (ix86_gimplify_va_arg): Update alignment needed.
1868 (ix86_local_alignment): Do not align all local arrays to 128bit.
1870 2010-04-17 Jan Hubicka <jh@suse.cz>
1872 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1874 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1876 * arm.md (negdi2): Remove redundant code to force values into a
1879 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1881 * arm/bpabi.S: Add EABI alignment attributes to objects.
1882 * arm/bpabi-v6m.S: Likewise.
1883 * arm/crti.asm: Likewise.
1884 * arm/crtn.asm: Likewise.
1885 * arm/lib1funcs.asm: Likewise.
1886 * arm/libunwind.S: Likewise.
1888 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1890 * arm-protos.h (tune_params): New structure.
1891 * arm.c (current_tune): New variable.
1892 (arm_constant_limit): Delete.
1893 (struct processors): Add pointer to the tune parameters.
1894 (arm_slowmul_tune): New tuning option.
1895 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1896 (all_cores): Adjust to pick up the tuning model.
1897 (arm_constant_limit): New function.
1898 (arm_override_options): Select the appropriate tuning model. Delete
1899 initialization of arm_const_limit.
1900 (arm_split_constant): Use the new constant-limit model.
1901 (arm_rtx_costs): Pick up the current tuning model.
1902 * arm.md (is_strongarm, is_xscale): Delete.
1903 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1904 for Xscale variant architectures.
1905 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1907 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1909 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1911 (arm_rtx_costs_1): Remove unused variable extra_cost.
1912 (arm_unwind_emit_set): Use variable offset.
1913 (thumb1_output_casesi): Remove unused variable flags.
1915 2010-04-16 Jeff Law <law@redhat.com>
1917 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1918 needing assignment rather than doing a two-phase assignment. Remove
1919 unused variable 'm'.
1921 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1924 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1926 2010-04-16 Doug Kwan <dougkwan@google.com>
1928 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1929 (next_operand_entry_id): New static variable.
1930 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1931 (add_to_ops_vec): Assigned unique ID to operand entry.
1932 (struct oecount_s): New field ID.
1933 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1934 (undistribute_ops_list): Assign unique IDs to oecounts.
1935 (init_reassoc): reset next_operand_entry_id.
1937 2010-04-16 Doug Kwan <dougkwan@google.com>
1939 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1940 missing left parenthesis.
1942 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1944 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1945 *btdi_rex64 using SWI48 mode iterator.
1946 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1947 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1948 *jcc_btdi_mask_rex64.
1950 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1952 * double-int.h (tree_to_double_int): Convert to macro.
1953 * double-int.c (tree_to_double_int): Remove.
1955 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1958 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1959 with want_address 2 and in case a single element list might be
1960 possible, call it again with want_address 0.
1962 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1964 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1965 case 'W' print operands for HI mode.
1966 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1967 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1968 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1969 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1971 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1973 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1974 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1975 #xx:3 and #xx:4 mode.
1977 * config/h8300/h8300.md (inverted load with HImode dest): Add
1978 support for H8300SX.
1980 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1981 satisfy 'U' constraint.
1983 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1985 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1986 * configure: Regenerate.
1987 * config.in: Regenerate.
1988 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1991 2010-04-16 Richard Guenther <rguenther@suse.de>
1993 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1994 (struct tree_decl_common): ... here.
1995 (DECL_PT_UID): Adjust.
1996 (SET_DECL_PT_UID): Likewise.
1997 (DECL_PT_UID_SET_P): Likewise.
1999 2010-04-16 Richard Guenther <rguenther@suse.de>
2001 PR tree-optimization/43572
2002 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2003 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2004 * tree-flow.h (is_call_clobbered): Remove.
2005 * tree-flow-inline.h (is_call_clobbered): Likewise.
2006 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2007 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2008 (execute_return_slot_opt): Adjust.
2009 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2010 check for call clobbered vars here.
2011 (find_tail_calls): Move tailcall verification to the
2014 2010-04-16 Diego Novillo <dnovillo@google.com>
2016 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2018 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2021 * config/arm/arm.md (cbranchqi4): New pattern.
2022 * config/arm/predicates.md (const0_operand,
2023 cbranchqi4_comparison_operator): New predicates.
2025 2010-04-16 Richard Guenther <rguenther@suse.de>
2027 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2028 (dump_gimple_stmt): Likewise.
2030 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2032 * recog.h (struct recog_data): New field is_operator.
2033 (struct insn_operand_data): New field is_operator.
2034 * recog.c (extract_insn): Set recog_data.is_operator.
2035 * genoutput.c (output_operand_data): Emit code to set the
2037 * reload.c (find_reloads): Use it rather than testing for an
2038 empty constraint string.
2041 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2042 If the previous insn is a cbranchsi4_insn with the same arguments,
2043 omit the compare instruction.
2045 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2046 register, inputs must be low registers and we need a low register
2047 scratch. Handle alternative 2 like alternative 3.
2049 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2051 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2052 don't call get_addr on both. If one expression is a VALUE and
2053 the other a REG, check VALUE's locs if the REG isn't among them.
2055 2010-04-16 Christian Bruel <christian.bruel@st.com>
2057 * config/sh/sh.h (sh_frame_pointer_required): New function.
2058 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2059 (flag_omit_frame_pointer) Set.
2060 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2061 (rounded_frame_size): Adjust size with outgoing_args_size.
2062 (sh_set_return_address): Must return from stack pointer.
2063 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2064 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2065 (ACCUMULATE_OUTGOING_ARGS): Define.
2066 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2067 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2069 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2072 * config/sh/sh.c (sh_legitimize_reload_address): Use
2073 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2074 Remove a unneeded check for offset_base.
2076 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2078 * configure: Regenerated.
2080 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2082 * config/s390/s390.c (s390_call_save_register_used): Switch back
2083 to HARD_REGNO_NREGS.
2085 2010-04-15 Richard Guenther <rguenther@suse.de>
2087 * alias.c (alias_set_subset_of): Handle alias-set zero
2090 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2091 Julian Brown <julian@codesourcery.com>
2093 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2094 alternatives according to use of high and low regs.
2095 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2096 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2097 optimizing for size on Thumb-2.
2099 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2101 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2103 2010-04-15 Richard Guenther <rguenther@suse.de>
2105 * tree-ssa-structalias.c (struct variable_info): Add
2107 (new_var_info): Initialize it.
2108 (dump_constraints): Support printing last added constraints.
2109 (debug_constraints): Adjust.
2110 (dump_constraint_graph): Likewise.
2111 (make_heapvar_for): Check for NULL cfun.
2112 (get_function_part_constraint): New function.
2113 (get_fi_for_callee): Likewise.
2114 (find_func_aliases): Properly implement IPA PTA constraints.
2115 (process_ipa_clobber): New function.
2116 (find_func_clobbers): Likewise.
2117 (insert_into_field_list_sorted): Remove.
2118 (create_function_info_for): Properly allocate vars for IPA mode.
2119 Do not use insert_into_field_list_sorted.
2120 (create_variable_info_for): Properly generate constraints for
2121 global vars in IPA mode.
2122 (dump_solution_for_var): Always dump the solution.
2123 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2124 (find_what_var_points_to): Adjust.
2125 (pt_solution_set): Change.
2126 (pt_solution_ior_into): New function.
2127 (pt_solution_empty_p): Export.
2128 (pt_solution_includes_global): Adjust.
2129 (pt_solution_includes_1): Likewise.
2130 (pt_solutions_intersect_1): Likewise.
2131 (dump_sa_points_to_info): Check some invariants.
2132 (solve_constraints): Move constraint dumping ...
2133 (compute_points_to_sets): ... here.
2134 (ipa_pta_execute): ... and here.
2135 (compute_may_aliases): Do not re-compute points-to info
2136 locally if IPA info is available.
2137 (ipa_escaped_pt): New global var.
2138 (ipa_pta_execute): Properly implement IPA PTA.
2139 * tree-into-ssa.c (dump_decl_set): Support dumping
2140 decls not in referenced-vars.
2141 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2142 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2143 (dump_points_to_solution): Likewise.
2144 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2145 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2146 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2147 (copy_decl_to_var): Copy DECL_PT_UID.
2148 (copy_result_decl_to_var): Likewise.
2149 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2150 (copy_node_stat): Copy it.
2151 * tree.h (DECL_PT_UID): New macro.
2152 (SET_DECL_PT_UID): Likewise.
2153 (DECL_PT_UID_SET_P): Likewise.
2154 (struct tree_decl_minimal): Add pt_uid member.
2155 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2156 (pt_solution_empty_p): Declare.
2157 (pt_solution_set): Adjust.
2158 (ipa_escaped_pt): Declare.
2159 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2160 * gimple-pretty-print.c (pp_points_to_solution): New function.
2161 (dump_gimple_call): Dump call clobber/use information.
2162 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2163 * tree-pass.h (TDF_ALIAS): New dump option.
2164 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2165 * doc/invoke.texi (-fipa-pta): Update documentation.
2167 2010-04-15 Richard Guenther <rguenther@suse.de>
2169 * Makefile.in (OBJS-common): Add gimple-fold.o.
2170 (gimple-fold.o): New rule.
2171 * tree.h (maybe_fold_offset_to_reference,
2172 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2174 * gimple.h: ... here.
2175 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2176 may_propagate_address_into_dereference): Move prototypes ...
2177 * gimple.h: ... here.
2178 * tree-ssa-ccp.c (get_symbol_constant_value,
2179 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2180 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2181 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2182 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2183 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2184 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2185 gimplify_and_update_call_from_tree): Move ...
2186 * gimple-fold.c: ... here. New file.
2187 (ccp_fold_builtin): Rename to ...
2188 (gimple_fold_builtin): ... this.
2189 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2191 2010-04-15 Richard Guenther <rguenther@suse.de>
2193 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2194 fit_double_type, force_fit_type_double, add_double_with_sign,
2195 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2196 lrotate_double, rrotate_double, div_and_round_double): Move ...
2197 * double-int.c: ... here.
2198 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2199 add_double, neg_double, mul_double_with_sign, mul_double,
2200 lshift_double, rshift_double, lrotate_double, rrotate_double,
2201 div_and_round_double): Move prototypes ...
2202 * double-int.h: ... here.
2204 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2207 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2208 matching constraints to ensure inputs match the output.
2210 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2213 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2214 in an input-only operand.
2216 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2218 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2219 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2220 (double_int_negative_p): Convert to static inline function.
2221 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2222 (double_int_negative_p): Remove.
2223 * tree.h (lshift_double, rshift_double):
2224 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2225 * fold-const.c (fold_convert_const_int_from_real,
2226 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2227 (lshift_double): Change type of arith argument to bool.
2228 (rshift_double): Change type of arith argument to bool. Correct
2230 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2232 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2235 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2236 at the start and end of the then/else blocks, and omit them from the
2238 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2239 argument; all callers changed. Pass zero to old_insns_match_p instead.
2240 (flow_find_head_matching_sequence): New function.
2241 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2242 * basic-block.h (flow_find_cross_jump,
2243 flow_find_head_matching_sequence): Declare functions.
2245 2010-04-14 Jason Merrill <jason@redhat.com>
2248 * c-common.c (attribute_takes_identifier_p): New fn.
2249 * c-common.h: Declare it.
2251 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2253 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2255 (*udivmod<mode>4): Ditto.
2257 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2259 * config/i386/i386.md (maxmin_int): Rename code attribute from
2260 maxminiprefix and update all users.
2261 (maxmin_float): Ditto from maxminfprefix.
2262 (logic): Ditto from logicprefix.
2263 (absneg_mnemonic): Ditto from absnegprefix.
2264 * config/i386/mmx.md: Update all users of maxminiprefix,
2265 maxminfprefix and logicprefix for rename.
2266 * config/i386/sse.md: Ditto.
2267 * config/i386/sync.md (sync_<code><mode>): Update for
2270 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2273 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2274 warnings converted to errors.
2276 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2278 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2279 used insn_type variable.
2280 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2281 to avoid set-but-not-used warning.
2283 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2285 * df-core.c (df_ref_debug): Change format string placeholder
2287 * dwarf2asm.c (dw2_asm_output_data_raw,
2288 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2289 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2290 * dwarf2out.c (output_cfi, output_cfi_directive,
2291 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2292 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2294 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2295 * print-rtl.c (print_rtx): Ditto.
2297 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2300 * builtins.c (expand_builtin_pow_root): New function to expand pow
2301 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2302 series of sqrt and cbrt calls under -ffast-math.
2303 (expand_builtin_pow): Call it.
2305 2010-04-14 Michael Matz <matz@suse.de>
2307 PR tree-optimization/42963
2308 * tree-cfg.c (touched_switch_bbs): New static variable.
2309 (group_case_labels_stmt): New function broken out from ...
2310 (group_case_labels): ... here, use the above.
2311 (start_recording_case_labels): Allocate touched_switch_bbs.
2312 (end_recording_case_labels): Deallocate it, call
2313 group_case_labels_stmt.
2314 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2316 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2318 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2321 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2323 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2325 2010-04-13 Jan Hubicka <jh@suse.cz>
2327 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2328 of optimized out static functions.
2329 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2330 cost computation. Also sanity check for overflows.
2331 (update_caller_keys): Update cgraph_edge_badness call; properly
2332 update fibheap and sanity check that it is up to date.
2333 (add_new_edges_to_heap): Update cgraph_edge_badness.
2334 (cgraph_decide_inlining_of_small_function): Likewise;
2335 add sanity checking that badness in heap is up to date;
2336 improve dumping of reason; Update badness of calls to the
2337 offline copy of function currently inlined; dump badness
2338 of functions not inlined because of unit growth limits.
2340 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2343 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2344 because of sign-extension change when converting to sizetype here...
2345 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2347 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2348 the folding to constants. Remove redundant final conversion.
2349 (fold_binary) <associate>: Do not associate if the re-association of
2350 constants alone overflows.
2351 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2352 to the end of the list.
2353 (multiple_of_p) <COND_EXPR>: New case.
2355 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2357 * opt-functions.awk (opt_sanitized_name): New.
2359 * optc-gen.awk: Use it
2360 * opth-gen.awk: Use it.
2362 2010-04-13 Martin Jambor <mjambor@suse.cz>
2364 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2365 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2366 children. Call replace_uses_with_default_def_ssa_name to handle
2369 2010-04-13 Michael Matz <matz@suse.de>
2372 * builtins.c (expand_builtin_interclass_mathfn): Also create
2373 a register if the predicate doesn't match.
2375 2010-04-13 Diego Novillo <dnovillo@google.com>
2377 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2378 * c-pch.c: Include timevar.h.
2379 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2380 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2381 * ggc-common.c: Include timevar.h.
2382 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2383 * timevar.def (TV_PCH_SAVE): Define.
2384 (TV_PCH_CPP_SAVE): Define.
2385 (TV_PCH_PTR_REALLOC): Define.
2386 (TV_PCH_PTR_SORT): Define.
2387 (TV_PCH_RESTORE): Define.
2388 (TV_PCH_CPP_RESTORE): Define.
2390 2010-04-13 Michael Matz <matz@suse.de>
2392 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2394 (can_reassociate_p): New function.
2395 (break_up_subtract_bb, reassociate_bb): Use it.
2397 2010-04-13 Richard Guenther <rguenther@suse.de>
2400 * builtins.c (c_readstr): Fix assert.
2402 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2404 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2405 when generating cltd insn.
2407 (*ashl<mode>3_1): Remove special handling for register operand 2.
2408 (*ashlsi3_1_zext): Ditto.
2409 (*ashlhi3_1): Ditto.
2410 (*ashlhi3_1_lea): Ditto.
2411 (*ashlqi3_1): Ditto.
2412 (*ashlqi3_1_lea): Ditto.
2413 (*<shiftrt_insn><mode>3_1): Ditto.
2414 (*<shiftrt_insn>si3_1_zext): Ditto.
2415 (*<shiftrt_insn>qi3_1_slp): Ditto.
2416 (*<rotate_insn><mode>3_1): Ditto.
2417 (*<rotate_insn>si3_1_zext): Ditto.
2418 (*<rotate_insn>qi3_1_slp): Ditto.
2420 2010-04-13 Richard Guenther <rguenther@suse.de>
2422 * tree-ssa-structalias.c (callused_id): Remove.
2423 (call_stmt_vars): New.
2424 (get_call_vi): Likewise.
2425 (lookup_call_use_vi): Likewise.
2426 (lookup_call_clobber_vi): Likewise.
2427 (get_call_use_vi): Likewise.
2428 (get_call_clobber_vi): Likewise.
2429 (make_transitive_closure_constraints): Likewise.
2430 (handle_const_call): Adjust to do per-call call-used handling.
2431 (handle_pure_call): Likewise.
2432 (find_what_var_points_to): Remove general callused handling.
2433 (init_base_vars): Likewise.
2434 (init_alias_vars): Initialize call_stmt_vars.
2435 (compute_points_to_sets): Process call-used and call-clobbered
2436 vars for call statements.
2437 (delete_points_to_sets): Free call_stmt_vars.
2439 2010-04-13 Richard Guenther <rguenther@suse.de>
2441 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2442 Only add RW dependence for dependence distance zero.
2443 Adjust maximal vectorization factor according to dependences.
2444 Move alignment handling ...
2445 (vect_find_same_alignment_drs): ... here. New function.
2446 (vect_analyze_data_ref_dependences): Adjust.
2447 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2448 (vect_analyze_data_refs): Adjust minimal vectorization factor
2449 according to data references.
2450 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2451 dependences before determining the vectorization factor.
2452 Analyze alignment after determining the vectorization factor.
2453 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2454 dependences before alignment.
2455 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2457 (vect_analyze_data_refs): Likewise.
2458 (MAX_VECTORIZATION_FACTOR): New define.
2460 2010-04-13 Duncan Sands <baldrick@free.fr>
2462 * except.h (lang_eh_type_covers): Remove.
2463 * except.c (lang_eh_type_covers): Likewise.
2465 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2466 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2468 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2469 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2470 UNITS_PER_LONG where it is ABI relevant.
2471 (s390_return_addr_rtx): Likewise.
2472 (s390_back_chain_rtx): Likewise.
2473 (s390_frame_area): Likewise.
2474 (s390_frame_info): Likewise.
2475 (s390_initial_elimination_offset): Likewise.
2476 (save_gprs): Likewise.
2477 (s390_emit_prologue): Likewise.
2478 (s390_emit_epilogue): Likewise.
2479 (s390_function_arg_advance): Likewise.
2480 (s390_function_arg): Likewise.
2481 (s390_va_start): Likewise.
2482 (s390_gimplify_va_arg): Likewise.
2483 (s390_function_profiler): Likewise.
2484 (s390_optimize_prologue): Likewise.
2485 (s390_rtx_costs): Likewise.
2486 (s390_secondary_reload): Likewise.
2487 (s390_promote_function_mode): Likewise.
2488 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2489 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2490 registers available.
2491 (s390_unwind_word_mode): New function.
2492 (s390_function_value): Split 64 bit values into register pair if
2493 used as return value.
2494 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2495 function call parameters. Handle parallels.
2496 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2497 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2498 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2499 (s390_expand_setmem): Remove unused variable src_addr.
2500 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2501 deal with 64 bit registers.
2502 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2503 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2504 (UNITS_PER_LONG): New macro.
2505 * libjava/include/s390-signal.h: Define extended ucontext
2506 structure containing the upper halfs of the 64 bit registers.
2508 2010-04-13 Simon Baldwin <simonb@google.com>
2510 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2512 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2514 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2515 rvalue on the RHS if the LHS is of a non-renamable type.
2516 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2518 2010-04-13 Matthias Klose <doko@ubuntu.com>
2520 * gcc.c (cc1_options): Handle -iplugindir before processing
2521 the cc1 spec. Only add -iplugindir once.
2522 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2524 * common.opt (iplugindir): Remove `Separate' property, initialize.
2525 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2527 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2528 (distclean): Remove plugin dir.
2529 * doc/invoke.texi: Document -iplugindir.
2531 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2533 * doc/plugins.texi (Loading Plugins): Document short
2534 -fplugin=foo option.
2535 (Plugin API): Mention default_plugin_dir_name function.
2537 * gcc.c (find_file_spec_function): Add new declaration.
2538 (static_spec_func): Use it for "find-file".
2539 (find_file_spec_function): Add new function.
2540 (cc1_options): Add -iplugindir option if -fplugin* options found.
2542 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2544 * plugin.c (add_new_plugin): Updated comment, and handle short
2546 (default_plugin_dir_name): Added new function.
2548 * common.opt (iplugindir): New option to set the plugin directory.
2550 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2552 * config/i386/i386.md (any_rotate): New code iterator.
2553 (rotate_insn): New code attribute.
2555 (SWIM124): New mode iterator.
2556 (<rotate_insn>ti3): New expander.
2557 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2558 any_rotate code iterator.
2559 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2560 using any_rotate code iterator and SWIM124 mode iterator.
2561 (ix86_rotlti3): New insn_and_split pattern.
2562 (ix86_rotrti3): Ditto.
2563 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2564 ix86_rotl{di,ti}3 patterns.
2565 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2566 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2567 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2568 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2569 code iterator and SWI mode iterator.
2570 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2571 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2573 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2574 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2575 (bswap rotatert splitter): Add splitter.
2576 (bswap splitter): Macroize splitter using any_rotate code iterator.
2577 Add insn predicate to split only for TARGET_USE_XCHGB or when
2578 optimizing function for size.
2580 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2582 * config/pa/pa.c (emit_move_sequence): Remove use of
2583 deleted variable flag_argument_noalias.
2585 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2587 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2589 Add to unsupported targets list.
2590 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2591 sparc*-sun-solaris2.[567]* from target lists.
2592 * configure: Regenerate.
2593 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2595 Remove Solaris 7 patch references.
2596 (Specific, sparc-sun-solaris2.7): Removed.
2597 (sparc-sun-solaris2*): Update Solaris 7 example.
2598 (sparc64-*-solaris2*): Likewise.
2600 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2602 * config.build (alpha*-dec-osf4*): Remove.
2603 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2604 of obsolete configurations.
2605 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2607 * config/alpha/t-osf4: Renamed to ...
2608 * config/alpha/t-osf5: ... this.
2609 * config/alpha/osf.h: Renamed to ...
2610 * config/alpha/osf5.h: ... this.
2611 Merged old osf5.h contents.
2613 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2614 (EXTRA_SPECS): Removed.
2615 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2616 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2619 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2621 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2623 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2626 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2627 __thiscall convention.
2629 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2631 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2633 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2635 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2637 * function.c (assign_parms_initialize_all): Add unused attribute
2640 2010-04-12 Richard Guenther <rguenther@suse.de>
2642 * gsstruct.def (GSS_CALL): New.
2643 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2644 * gimple.h: Include tree-ssa-alias.h.
2645 (struct gimple_statement_call): New.
2646 (union gimple_statement_struct_d): Add gimple_call member.
2647 (gimple_call_reset_alias_info): Declare.
2648 (gimple_call_use_set): New function.
2649 (gimple_call_clobber_set): Likewise.
2650 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2651 * gimple.c (gimple_call_reset_alias_info): New function.
2652 (gimple_build_call_1): Call it.
2653 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2654 * tree-inline.c (remap_gimple_stmt): Likewise.
2655 (expand_call_inline): Remove callused handling.
2656 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2657 * tree-dfa.c (dump_variable): Likewise.
2658 * tree-parloops.c (parallelize_loops): Likewise.
2659 * tree-ssa.c (init_tree_ssa): Likewise.
2660 (delete_tree_ssa): Likewise.
2661 * tree-flow-inline.h (is_call_used): Remove.
2662 * tree-flow.h (struct gimple_df): Remove callused member.
2663 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2664 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2665 (ref_maybe_used_by_call_p_1): Simplify.
2666 (call_may_clobber_ref_p_1): Likewise.
2667 * tree-ssa-structalias.c (compute_points_to_sets): Set
2668 the call stmt used and clobbered sets.
2669 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2670 (find_tail_calls): Verify the tail call.
2672 2010-04-12 Richard Guenther <rguenther@suse.de>
2674 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2675 single-iteration always-inline inlining.
2676 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2677 (cgraph_decide_inlining): Do not handle always-inline specially.
2678 (try_inline): Remove always-inline cycle detection special case.
2679 Do not recurse on always-inlines.
2680 (cgraph_early_inlining): Do not iterate if not optimizing.
2681 (cgraph_gate_early_inlining): remove.
2682 (pass_early_inline): Run unconditionally.
2683 (gate_cgraph_decide_inlining): New function.
2684 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2685 not inlining or optimizing.
2686 (cgraph_decide_inlining_of_small_functions): Also consider
2687 always-inline functions.
2688 (cgraph_default_inline_p): Return true for nodes which should
2689 disregard inline limits.
2690 (estimate_function_body_sizes): Assume zero size and time for
2691 nodes which are marked as disregarding inline limits.
2692 (cgraph_decide_recursive_inlining): Do not perform recursive
2693 inlining on always-inline nodes.
2695 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2698 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2699 for exprs satisfying handled_component_p.
2701 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2703 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2704 non-constant aggregate elements.
2706 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2707 is a real initialization.
2709 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2712 * c-decl.c (start_function): Move forward check for nested function.
2714 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2716 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2717 * config/sh/sh.c: Include reload.h.
2718 (sh_legitimize_reload_address): New.
2719 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2720 sh_legitimize_reload_address.
2722 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2724 * config/sh/sh.md (*movqi_pop): New insn pattern.
2725 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2727 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2729 * config/i386/i386.md (any_shiftrt): New code iterator.
2730 (shiftrt_insn): New code attribute.
2732 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2733 using any_shiftrt code iterator.
2734 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2735 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2736 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2737 pattern from corresponding peephole2 patterns.
2738 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2739 using any_shiftrt code iterator.
2740 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2741 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2742 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2743 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2744 *{ashr,lshr}<mode>3_cmp_zext.
2745 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2747 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2749 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2751 (*lshr<mode>3_cconly): Ditto.
2753 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2755 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2756 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2757 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2758 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2760 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2761 from corresponding peephole2 patterns.
2762 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2763 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2764 and *lshrdi3_1_rex64 using SWI mode iterator.
2765 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2766 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2767 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2768 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2769 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2770 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2771 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2772 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2773 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2776 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2778 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2779 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2780 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2781 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2783 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2784 from corresponding peephole2 patterns.
2785 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2786 (ashrsi3_cvt): Rename from ashrsi3_31.
2787 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2788 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2789 and x86_64_shift_adj_3 using SWI48 mode iterator.
2790 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2791 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2792 and *ashrdi3_1_rex64 using SWI mode iterator.
2793 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2794 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2795 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2796 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2797 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2798 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2799 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2800 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2801 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2803 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2804 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2805 x86_shift<mode>_adj_3 expanders.
2807 2010-04-10 Wei Guozhi <carrot@google.com>
2810 * config/arm/arm.c (arm_pic_static_addr): New function.
2811 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2813 (arm_output_addr_const_extra): Output expression for new pattern.
2814 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2816 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2818 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2821 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2822 * web.c: Include "insn-config.h" and "recog.h".
2823 (union_match_dups): New function.
2824 (web_main): Call it.
2825 (union_defs): Don't try to recognize match_dups.
2827 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2828 if doing so would replace the entire pattern.
2830 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2834 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2835 and splitter pattern. Change splitter operand 1 predicate to
2838 2010-04-09 Martin Jambor <mjambor@suse.cz>
2840 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2841 lattices are addresses of CONST_DECLs with the same initial value.
2842 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2843 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2845 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2846 Bernd Schmidt <bernds@codesourcery.com>
2848 * loop-invariant.c (replace_uses): New static function.
2849 (move_invariant_reg): Use it to ensure we can replace the uses.
2851 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2853 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2855 (picochip_override_options): Enable section anchors only above -O1.
2856 (picochip_reorg): Fixed a couple of build warnings.
2858 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2860 * configure.ac (plugin -rdynamic test): Log result.
2861 * configure: Regenerate.
2862 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2863 (RDYNAMIC_SPEC): Define.
2864 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2866 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2868 * configure.ac: Determine Sun ld version numbers.
2869 (comdat_group): Restrict GNU ld version checks to gld.
2870 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2871 (enable_comdat): Support --enable-comdat.
2872 * configure: Regenerate.
2873 * doc/install.texi (Configuration): Document --enable-comdat.
2875 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2877 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2878 * config/sol2-gld.h: ... here.
2879 * config.gcc (sparc*-*-solaris2*): Reflect this.
2880 (i[34567]86-*-solaris2*): Use it.
2882 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2884 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2886 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2888 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2891 * diagnostic.c (diagnostic_initialize): Initialize
2892 some_warnings_are_errors.
2893 (diagnostic_finish): New.
2894 (diagnostic_action_after_output): Call it before exiting.
2895 (diagnostic_report_diagnostic): Do not print message here. Set
2896 some_warnings_are_errors.
2897 * diagnostic.h (diagnostic_context): Delete
2898 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2899 (diagnostic_finish): Declare.
2900 * toplev.c (toplev_main): Call it before exit.
2902 2010-04-09 Jason Merrill <jason@redhat.com>
2905 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2906 for incomplete type.
2909 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2910 based on a warning flag.
2912 2010-04-09 Richard Guenther <rguenther@suse.de>
2914 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2916 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2919 * varasm.c (default_assemble_visibility): Wrap vars that are
2920 set, but unused, by targets without GAS.
2921 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2922 Remove set, but unused, vars.
2923 (rs6000_legitimize_tls_address): Likewise.
2924 (altivec_expand_dst_builtin): Likewise.
2925 * config/darwin.c (machopic_classify_symbol): Likewise.
2926 (machopic_indirection_name): Likewise.
2928 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2930 * config/i386/i386.md (DWI): New mode iterator.
2931 (S): New mode attribute.
2932 (shift_operand): Ditto.
2933 (shift_immediate_operand): Ditto.
2934 (ashl_input_operand): Ditto.
2935 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2936 using SDWIM mode iterator.
2937 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2938 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2940 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2941 from corresponding peephole2 patterns.
2942 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2943 and x86_64_shift_adj_1 using SWI48 mode iterator.
2944 (x86_shift<mode>_adj_2): Ditto.
2945 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2946 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2947 using SWI48 mode iterator.
2948 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2949 *ashldi3_cmp_rex64 using SWI mode iterator.
2950 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2951 *ashldi3_cconly_rex64 using SWI mode iterator.
2952 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2953 x86_shift<mode>_adj_{1,2}.
2954 (ix86_split_ashr): Ditto.
2955 (ix86_split_lshr): Ditto.
2957 2010-04-09 Richard Guenther <rguenther@suse.de>
2959 * target.h (builtin_conversion): Pass in input and output types.
2960 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2961 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2962 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2963 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2965 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2967 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2969 2010-04-09 Richard Guenther <rguenther@suse.de>
2972 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2974 2010-04-09 Richard Guenther <rguenther@suse.de>
2976 * tree-vectorizer.h (struct _stmt_vec_info): Document
2977 that vectype is the type of the LHS.
2978 (supportable_widening_operation, supportable_narrowing_operation):
2979 Get both input and output vector types as arguments.
2980 (vect_is_simple_use_1): Declare.
2981 (get_same_sized_vectype): Likewise.
2982 * tree-vect-loop.c (vect_determine_vectorization_factor):
2983 Set STMT_VINFO_VECTYPE to the vector type of the def.
2984 (vectorizable_reduction): Adjust.
2985 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2986 Adjust. Specify the output vector type.
2987 (vect_pattern_recog_1): Adjust.
2988 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2989 (vectorizable_call): Adjust.
2990 (vectorizable_conversion): Likewise.
2991 (vectorizable_operation): Likewise.
2992 (vectorizable_type_demotion): Likewise.
2993 (vectorizable_type_promotion): Likewise.
2994 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2996 (vect_is_simple_use_1): New function.
2997 (supportable_widening_operation): Get both input and output
2999 (supportable_narrowing_operation): Likewise.
3000 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3002 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3004 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3005 __thiscall and _thiscall as predefined macros.
3006 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3007 thiscall attribute handling.
3008 (ix86_comp_type_attributes): Likewise.
3009 (ix86_function_regparm): Likewise.
3010 (ix86_return_pops_args): Likewise.
3011 (init_cumulative_args): Likewise.
3012 (find_drap_reg): Likewise.
3013 (ix86_static_chain): Likewise.
3014 (x86_this_parameter): Likewise.
3015 (x86_output_mi_thunk): Likewise.
3016 (ix86_attribute_table): Add description for thiscall attribute.
3017 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3018 * doc/extend.texi: Add documentation for thiscall.
3020 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3023 * c.opt (Wint-to-pointer-cast): Available in C++.
3024 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3026 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3028 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3029 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3030 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3031 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3032 function type instead. Reorder and simplify checks.
3034 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3036 2010-04-08 Jing Yu <jingyu@google.com>
3037 Zdenek Dvorak <ook@ucw.cz>
3039 PR tree-optimization/42720
3040 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3041 loop unswitch conditions here from ...
3042 (tree_unswitch_single_loop): ... here.
3044 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3046 * tree-if-conv.c: Fix comments and simplify logic.
3048 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3050 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3051 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3052 (main_tree_if_conversion): Update call to tree_if_conversion.
3054 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3057 * doc/invoke.texi (-b,-V): Delete.
3058 * doc/tm.texi: Do not mention -b.
3059 * gcc.c (display_help): Delete -b and -V.
3060 (process_command): Delete -b and -V.
3061 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3063 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3064 Wolfgang Gellerich <gellerich@de.ibm.com>
3066 Implement target hook for loop unrolling
3067 * target.h (loop_unroll_adjust): Add a new target hook function.
3068 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3069 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3070 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3071 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3072 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3074 (decide_unroll_stupid): Likewise.
3076 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3079 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3081 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3083 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3084 (Specific, *-*-solaris2*): Likewise.
3085 Don't prefer Sun as over GNU as.
3087 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3089 * config/s390/s390.c (override_options): Adjust the z10
3090 defaults for max-unroll-times, max-completely-peeled-insns
3091 and max-completely-peel-times.
3093 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3095 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3096 instructions for z10.
3097 (s390_expand_setmem): Likewise.
3098 (s390_expand_cmpmem): Likewise.
3100 2010-04-08 Richard Guenther <rguenther@suse.de>
3102 PR tree-optimization/43679
3103 * tree-ssa-pre.c (eliminate): Only propagate copies.
3105 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3108 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3109 set but not used variable warning.
3111 2010-04-08 Wei Guozhi <carrot@google.com>
3114 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3115 (arm_size_rtx_costs): Call the new function when optimized for size.
3117 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3120 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3121 op0 is not a MEM, just return NULL instead of assertion
3123 (discover_nonconstant_array_refs): Don't walk debug stmts.
3125 2010-04-08 Doug Kwan <dougkwan@google.com>
3127 * configure.ac: Recognize gold and do not use its version number
3128 to test ld features.
3129 * configure: Regenerate.
3131 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3134 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3135 (negate_value): Move code to push elements to broken_up_substracts ...
3136 (eliminate_plus_minus_pair): ... here. Push operands that have no
3137 negative pair to plus_negates.
3138 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3140 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3142 * doc/install.texi (Configuration): Move description of
3143 --enable-lto, --with-libelf*, --enable-gold from Java section to
3146 * doc/generic.texi (Working with declarations)
3147 (Function Properties, C and C++ Trees): Fix typos.
3148 * doc/sourcebuild.texi (Top Level): Likewise.
3150 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3153 * tree.h (DECL_READ_P): Define.
3154 (struct tree_decl_common): Add decl_read_flag.
3155 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3156 a set but not used warning.
3157 (merge_decls): Merge DECL_READ_P flag.
3158 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3159 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3160 * c-common.c (handle_used_attribute, handle_unused_attribute):
3162 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3164 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3166 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3167 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3168 c_parser_binary_expression, c_parser_cast_expression,
3169 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3170 Call default_function_array_read_conversion instead of
3171 default_function_array_conversion where needed.
3172 (c_parser_unary_expression, c_parser_conditional_expression,
3173 c_parser_postfix_expression_after_primary, c_parser_initelt):
3174 Likewise. Call mark_exp_read where needed.
3175 (c_parser_statement_after_labels, c_parser_asm_operands,
3176 c_parser_typeof_specifier, c_parser_sizeof_expression,
3177 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3179 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3181 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3182 (warn_unused_but_set_parameter): Default to warn_unused
3184 * doc/invoke.texi: Document -Wunused-but-set-variable and
3185 -Wunused-but-set-parameter.
3187 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3188 used count variable.
3189 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3190 when operandN variables aren't used in the body of the expander
3192 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3193 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3194 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3195 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3196 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3197 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3198 * tree.c (PROCESS_ARG): Likewise.
3200 2010-04-07 Simon Baldwin <simonb@google.com>
3202 * diagnostic.h (diagnostic_override_option_index): New macro to
3203 set a diagnostic's option_index.
3204 * c-tree.h (c_cpp_error): Add warning reason argument.
3205 * opts.c (_warning_as_error_callback): New.
3206 (register_warning_as_error_callback): Store callback for
3207 warnings enabled via enable_warning_as_error.
3208 (enable_warning_as_error): Call callback, minor code tidy.
3209 * opts.h (register_warning_as_error_callback): Declare.
3210 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3211 response to -Werror=.
3212 (c_common_init_options): Register warning_as_error_callback in opts.c.
3213 * common.opt: Add -Wno-cpp option.
3214 * c-common.c (struct reason_option_codes_t): Map cpp warning
3215 reason codes to gcc option indexes.
3216 * (c_option_controlling_cpp_error): New function, lookup the gcc
3217 option index for a cpp warning reason code.
3218 * (c_cpp_error): Add warning reason argument, call
3219 c_option_controlling_cpp_error for diagnostic_override_option_index.
3220 * doc/invoke.texi: Document -Wno-cpp.
3222 2010-04-07 Richard Guenther <rguenther@suse.de>
3224 * ipa-reference.c (mark_load): Use get_base_address.
3225 (mark_store): Likewise.
3227 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3228 inserting GIMPLE_NOPs into the IL.
3229 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3230 Explicitly strip handled components and indirect references.
3232 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3233 folding address expressions.
3234 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3235 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3236 operand_equal_p to compare decls.
3237 (ptr_deref_may_alias_decl_p): Likewise.
3238 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3239 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3240 Handle reversed comparison ops.
3241 * tree-sra.c (asm_visit_addr): Use get_base_address.
3242 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3243 * ipa-reference.c (mark_address): Use get_base_address.
3245 2010-04-07 Richard Guenther <rguenther@suse.de>
3247 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3248 Propagate constants everywhere.
3250 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3253 * tree.c (MAX_INT_CACHED_PREC): Define.
3254 (nonstandard_integer_type_cache): New array.
3255 (build_nonstandard_integer_type): Cache results for precision
3256 <= MAX_INT_CACHED_PREC.
3258 2010-04-07 Richard Guenther <rguenther@suse.de>
3260 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3261 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3262 * common.opt: Likewise.
3263 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3264 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3265 (nonoverlapping_memrefs_p): Likewise.
3266 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3267 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3268 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3269 OPT_fargument_noalias_global for backward compatibility.
3271 2010-04-07 Richard Guenther <rguenther@suse.de>
3273 PR tree-optimization/43270
3274 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3275 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3276 * tree-ssa-pre.c (phi_translate_1): Adjust.
3277 (fully_constant_expression): Split out vn_reference handling to ...
3278 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3279 Fold reads from constant strings.
3280 (vn_reference_lookup): Handle fully constant references.
3281 (vn_reference_lookup_pieces): Likewise.
3282 * Makefile.in (expmed.o-warn): Add -Wno-error.
3284 2010-04-07 Martin Jambor <mjambor@suse.cz>
3286 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3288 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3291 * gcc.c: Add -static-libstdc++ to list of recognized options.
3293 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3295 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3297 2010-04-07 Richard Guenther <rguenther@suse.de>
3300 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3301 bases build simple mem attributes to retain points-to information.
3303 2010-04-07 Richard Guenther <rguenther@suse.de>
3306 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3307 preserve points-to related information.
3309 2010-04-07 Richard Guenther <rguenther@suse.de>
3312 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3313 discard plain indirect references.
3314 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3315 * tree.c (tree_nop_conversion): Likewise.
3317 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3320 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3322 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3324 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3325 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3327 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3329 * tree-if-conv.c: Fix indentation and comments.
3331 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3333 * tree-if-conv.c: Sort static functions in topological order.
3335 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3337 * tree-if-conv.c: Fix indentation and comments.
3339 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3342 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3343 lang_hooks.types.type_for_size instead of
3344 build_nonstandard_integer_type.
3345 When converting an unsigned type to signed, double its precision.
3346 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3347 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3348 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3351 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3354 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3355 POINTER_PLUS_EXPR for pointer types.
3357 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3360 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3361 * graphite-clast-to-gimple.c: Include langhooks.h.
3362 (max_signed_precision_type): New.
3363 (max_precision_type): Takes two types as arguments.
3364 (precision_for_value): New.
3365 (precision_for_interval): New.
3366 (gcc_type_for_interval): New.
3367 (gcc_type_for_value): New.
3368 (gcc_type_for_clast_term): New.
3369 (gcc_type_for_clast_red): New.
3370 (gcc_type_for_clast_bin): New.
3371 (gcc_type_for_clast_expr): Split up into several functions.
3372 (gcc_type_for_clast_eq): Rewritten.
3373 (compute_bounds_for_level): New.
3374 (compute_type_for_level_1): New.
3375 (compute_type_for_level): New.
3376 (gcc_type_for_cloog_iv): Removed.
3377 (gcc_type_for_iv_of_clast_loop): Rewritten.
3378 (graphite_create_new_loop): Compute the lower and upper bound types
3379 with gcc_type_for_clast_expr.
3380 (graphite_create_new_loop_guard): Same.
3381 (find_cloog_iv_in_expr): Removed.
3382 (compute_cloog_iv_types_1): Removed.
3383 (compute_cloog_iv_types): Removed.
3384 (gloog): Do not call compute_cloog_iv_types.
3385 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3387 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3388 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3389 (GBB_CLOOG_IV_TYPES): Removed.
3391 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3393 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3394 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3395 (detect_commutative_reduction): Same.
3397 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3399 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3400 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3402 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3403 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3404 (rewrite_commutative_reductions_out_of_ssa): Same.
3405 * passes.c (execute_function_todo): Call verify_ssa for every pass
3406 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3407 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3408 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3409 with an extra argument.
3410 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3411 verify_ssa only when the extra argument is true.
3412 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3413 with an extra argument.
3414 (tree_transform_and_unroll_loop): Same.
3416 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3418 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3419 for all the passes of the LNO having LOOP_CLOSED_SSA.
3420 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3421 * tree-loop-distribution.c (pass_loop_distribution): Same.
3422 * tree-pass.h (TODO_verify_loops): Removed.
3423 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3425 (pass_tree_unswitch): Same.
3426 (pass_predcom): Same.
3427 (pass_vectorize): Same.
3428 (pass_linear_transform): Same.
3429 (pass_graphite_transforms): Same.
3430 (pass_iv_canon): Same.
3431 (pass_complete_unroll): Same.
3432 (pass_complete_unrolli): Same.
3433 (pass_parallelize_loops): Same.
3434 (pass_loop_prefetch): Same.
3435 (pass_iv_optimize): Same.
3437 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3440 * passes.c (init_optimization_passes): Move pass_lim before
3441 pass_copy_prop and pass_dce_loop.
3443 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3446 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3447 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3448 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3449 MULTI_* defines for 4 argument vpermil2p* builtins.
3451 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3453 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3454 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3455 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3456 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3457 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3458 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3459 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3460 Use x86_maybe_negate_const_int to output insn mnemonic.
3461 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3462 check from instruction predicate. Update comments.
3463 * config/i386/sync.md (sync_add<mode>): Use
3464 x86_maybe_negate_const_int to output insn mnemonic.
3466 2010-04-06 Jan Hubicka <jh@suse.cz>
3468 PR tree-optimization/42906
3469 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3470 IGNORE_SELF argument. Set visited_control_parents for fully
3472 (find_obviously_necessary_stmts): Update call of
3473 mark_control_dependent_edges_necessary.
3474 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3476 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3478 * config/i386/i386.md: Remove comment about 'e' and 'E'
3481 2010-04-06 Richard Guenther <rguenther@suse.de>
3483 PR tree-optimization/43627
3484 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3485 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3488 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3490 * BASE-VER: Change to 4.6.0.
3493 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3496 2010-04-06 Richard Guenther <rguenther@suse.de>
3499 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3501 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3503 * doc/invoke.texi (Optimize Options): Document that LTO
3504 won't remove object access purely due to incompatible
3507 2010-04-04 Matthias Klose <doko@ubuntu.com>
3509 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3510 Initialize variable.
3512 2010-04-03 Richard Guenther <rguenther@suse.de>
3515 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3516 require a non-NULL MEM_OFFSET.
3518 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3520 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3521 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3522 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3523 config/alpha/predicates.md, config/arm/arm.md,
3524 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3525 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3526 config/darwin9.h, config/darwin.c, config/darwin.h,
3527 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3528 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3529 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3530 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3531 config/mips/mips.md, config/mn10300/mn10300.c,
3532 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3533 config/rs6000/aix.h, config/rs6000/dfp.md,
3534 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3535 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3536 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3537 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3538 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3539 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3540 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3541 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3542 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3543 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3544 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3545 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3546 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3547 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3548 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3549 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3550 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3551 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3552 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3553 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3554 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3555 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3556 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3557 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3558 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3559 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3560 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3561 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3562 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3563 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3564 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3565 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3566 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3567 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3568 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3569 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3571 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3574 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3575 * aclocal.m4: Regenerate.
3577 2010-04-02 Richard Guenther <rguenther@suse.de>
3579 PR tree-optimization/43629
3580 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3581 if we have seen a constant value.
3583 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3585 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3587 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3590 * arm.c (legitimize_tls_address): Adjust call to
3591 gen_tls_load_dot_plus_four.
3592 (arm_note_pic_base): New function.
3593 (arm_cannot_copy_insn_p): Use it.
3594 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3597 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3602 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3604 * Makefile.in ($(out_object_file)): Depend on
3605 gt-$(basename $(notdir $(out_file))).h.
3607 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3609 * config.gcc (lm32-*-rtems*): Add t-lm32.
3611 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3613 * config.gcc: Add lm32-*-rtems*.
3614 * config/lm32/rtems.h: New file.
3616 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3619 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3621 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3623 * dwarf2out.c (output_compilation_unit_header): For
3624 -gdwarf-4 use version 4 instead of version 3.
3625 (output_line_info): For version 4 and above emit additional
3626 maximum ops per insn header field.
3627 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3629 * dwarf2out.c (is_c_family, is_java): Remove.
3630 (lower_bound_default): New function.
3631 (add_bound_info, gen_descr_array_type_die): Use it.
3633 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3636 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3637 re-declaration when it happens in a function.
3639 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3641 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3642 (cgraph_remove_function_insertion_hook): Same.
3643 (cgraph_call_function_insertion_hooks): Same.
3645 2010-04-01 Richard Guenther <rguenther@suse.de>
3648 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3649 and TREE_THIS_VOLATILE.
3650 (copy_ref_info): Likewise.
3651 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3652 * tree.c (build6_stat): Ignore side-effects of all but arg5
3653 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3656 2010-04-01 Richard Guenther <rguenther@suse.de>
3658 PR tree-optimization/43607
3659 * ipa-type-escape.c (check_call): Do not access non-existing
3662 2010-04-01 Richard Guenther <rguenther@suse.de>
3666 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3667 Jack Howarth <howarth@bromo.med.uc.edu>
3669 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3672 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3674 * doc/install.texi (Prerequisites): Document libelf usability on
3675 IRIX 5/6 and Solaris 2.
3676 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3677 Update GNU as, GNU ld requirements.
3678 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3679 Document Sun Studio compiler download.
3680 Update and simplify as, ld recommendations.
3681 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3683 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3685 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3686 with_tune_32 to pentium4.
3688 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3690 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3692 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3694 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3695 obsoletion, removal.
3697 Document GNU as requirement.
3698 Update configure requirements.
3699 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3700 Recomment IRIX 6.5.18+.
3701 Document IDF/IDL requirement.
3702 Document GNU as requirement.
3703 Document GNU ld bootstrap failure.
3704 Remove freeware.sgi.com reference.
3706 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3708 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3709 UNIX V4.0, V5.0 obsoletion, removal.
3710 Remove --with-gc=simple reference.
3711 Update VM requirements during bootstrap.
3712 Remove -oldas bootstrap description.
3713 Update binutils reference.
3714 Remove comparison failure note.
3716 2010-03-31 Richard Guenther <rguenther@suse.de>
3717 Zdenek Dvorak <ook@ucw.cz>
3718 Sebastian Pop <sebastian.pop@amd.com>
3721 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3722 with multiple arguments.
3723 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3725 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3727 * graphite-dependences.c (print_pddr): Call print_pdr with an
3729 * graphite-poly.c (debug_pdr): Add an extra argument for the
3732 (print_pbb_domain): Same.
3734 (print_scop_context): Same.
3736 (print_cloog): Same.
3737 (debug_pbb_domain): Same.
3741 (debug_scop_context): Same.
3743 (debug_cloog): Same.
3744 (print_scop_params): Same.
3745 (debug_scop_params): Same.
3746 (print_iteration_domain): Same.
3747 (print_iteration_domains): Same.
3748 (debug_iteration_domain): Same.
3749 (debug_iteration_domains): Same.
3750 (print_scattering_function): Same.
3751 (print_scattering_functions): Same.
3752 (debug_scattering_function): Same.
3753 (debug_scattering_functions): Same.
3754 * graphite-poly.h (debug_pdr): Update declaration.
3756 (print_pbb_domain): Same.
3758 (print_scop_context): Same.
3760 (print_cloog): Same.
3761 (debug_pbb_domain): Same.
3765 (debug_scop_context): Same.
3767 (debug_cloog): Same.
3768 (print_scop_params): Same.
3769 (debug_scop_params): Same.
3770 (print_iteration_domain): Same.
3771 (print_iteration_domains): Same.
3772 (debug_iteration_domain): Same.
3773 (debug_iteration_domains): Same.
3774 (print_scattering_function): Same.
3775 (print_scattering_functions): Same.
3776 (debug_scattering_function): Same.
3777 (debug_scattering_functions): Same.
3779 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3781 * graphite-poly.c (print_scattering_function_1): New.
3782 (print_scattering_function): Call it.
3783 (print_scop_params): Remove spaces at the end of lines.
3786 * graphite-poly.h (print_cloog): Declared.
3787 (debug_cloog): Declared.
3789 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3791 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3793 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3794 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3795 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3796 to switch between adding the IV bump in loop->latch or in loop->header.
3798 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3800 * graphite-poly.c (print_scattering_function): Pretty print following
3803 (print_pbb_domain): Same.
3804 (dump_gbb_cases): Same.
3805 (dump_gbb_conditions): Same.
3808 (print_scop_params): Same.
3809 (print_scop_context): Same.
3811 (print_pbb_body): New.
3812 (lst_indent_to): New.
3813 (print_lst): Start new lines with a #.
3814 * graphite-poly.h (pbb_bb): New.
3815 (pbb_index): Use pbb_bb.
3816 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3818 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3820 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3822 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3823 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3824 and 0 instead of 1 for dw_val_class_flag.
3825 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3826 dw_val_class_range_list, dw_val_class_loc_list,
3827 dw_val_class_lineptr and dw_val_class_macptr, use
3828 DW_FORM_flag_present for dw_val_class_flag and
3829 DW_FORM_exprloc for dw_val_class_loc.
3830 (output_die): For -gdwarf-4 print dw_val_class_loc
3831 size as uleb128 instead of 1 or 2 bytes and don't print
3832 anything for dw_val_class_flag.
3834 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3835 instead of cselib_lookup following by tweaking locs->setting_insn.
3838 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3839 even before returning from label, setjmp call or volatile asm
3842 2010-03-31 Richard Guenther <rguenther@suse.de>
3845 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3846 temporary data on stack.
3848 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3850 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3851 (PUSHSECTION_ASM_OP): Remove.
3852 (POPSECTION_ASM_OP): Remove.
3853 (PUSHSECTION_FORMAT): Remove.
3854 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3855 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3856 * config/sol2.c (solaris_output_init_fini): Use it.
3858 2010-03-31 Jie Zhang <jie@codesourcery.com>
3861 * opt-functions.awk (var_type_struct): Use signed char type
3862 for simple variables.
3864 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3866 * config/sol2.c: Include output.h.
3867 (solaris_assemble_visibility): New function.
3868 * config/t-sol2 (sol2.o): Add output.h dependency.
3869 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3870 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3873 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3876 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3877 V2SImode or XFmode on PRE_DEC.
3880 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3883 2010-03-31 Jie Zhang <jie@codesourcery.com>
3886 * reload.h (caller_save_initialized_p): Declare.
3887 * toplev.c (backend_init_target): Don't call
3888 init_caller_save but set caller_save_initialized_p to false.
3889 * caller-save.c (caller_save_initialized_p): Define.
3890 (init_caller_save): Check caller_save_initialized_p.
3891 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3893 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3896 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3897 and soft-fp/t-softfp to tmake_file.
3898 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3899 (LIBGCC2_TF_CEXT): Define.
3902 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3905 * cselib.c (n_useless_values): Document handling of debug locs.
3906 (n_useless_debug_values, n_debug_values): New variables.
3907 (new_elt_loc_list): Don't add to debug values, keep count.
3908 (promote_debug_loc): New.
3909 (cselib_reset_table): Zero new variables.
3910 (entry_and_rtx_equal_p): Promote debug locs.
3911 (discard_useless_locs): Increment n_useless_debug_values for
3913 (remove_useless_values): Adjust n_useless_values and n_debug_values
3914 with n_useless_debug_values.
3915 (add_mem_for_addr): Promote debug locs.
3916 (cselib_lookup_mem): Likewise.
3917 (cselib_lookup_addr): Renamed to...
3918 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3919 (cselib_log_lookup): ... this. Turn into...
3920 (cselib_lookup_addr): ... new wrapper.
3921 (cselib_lookup_from_insn): New.
3922 (cselib_invalidate_regno): Increment n_useless_debug_values for
3924 (cselib_invalidate_mem): Likewise.
3925 (cselib_process_insn): Take n_deleted and n_debug_values into
3926 account to guard remove_useless_value call.
3927 (cselib_finish): Zero n_useless_debug_values.
3928 * cselib.h (cselib_lookup_from_insn): Declare.
3929 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3930 (sched_analyze_2): Likewise.
3932 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3934 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3936 (adjust_mems): Replace narrowing SUBREG of expression containing
3937 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3938 with operations in the narrower mode.
3941 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3942 regs_invalidated_by_call instead all call_used_reg_set registers.
3944 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3947 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3948 pointer comparisons with types_compatible_p.
3949 * tree-vect-stmts.c (vectorizable_call): Same.
3950 (vectorizable_condition): Same.
3952 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3954 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3955 stack check if the mask would be zero.
3957 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3958 Jack Howarth <howarth@bromo.med.uc.edu>
3960 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3963 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3966 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3968 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3969 Include ___unordxf2 and ___unordtf2.
3970 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3973 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3975 * config/lm32/t-lm32: New file.
3976 * config.gcc: Use the above file when targetting lm32.
3978 2010-03-28 Duncan Sands <baldrick@free.fr>
3980 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3982 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3985 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3986 Improve vectorization cost model diagnostic.
3988 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3991 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3992 compute_data_dependences_for_loop returns false, early exit
3993 and output an extra diagnostic for the failed data reference
3996 2010-03-29 Richard Guenther <rguenther@suse.de>
3998 PR tree-optimization/43560
3999 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4000 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4002 2010-03-29 Jie Zhang <jie@codesourcery.com>
4005 * toplev.c (process_options): Set optimization_default_node
4006 and optimization_current_node.
4007 * opts.c (decode_options): Don't set optimization_default_node
4008 and optimization_current_node.
4010 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4012 * config/rtems.h: Abandon -qrtems_debug.
4014 2010-03-28 Jan Hubicka <jh@suse.cz>
4016 PR tree-optimization/43505
4017 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4018 map should not be copied.
4020 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4023 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4024 cdtors, set DECL_PRESERVE_P.
4025 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4028 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4030 PR tree-optimization/43528
4031 * stor-layout.c (place_field): Check that constant fits into
4032 unsigned HWI when skipping calculation of MS bitfield layout.
4034 2010-03-27 Jan Hubicka <jh@suse.cz>
4037 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4038 notice_global_symbol work.
4040 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4042 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4043 instead of dwarf2out_decl.
4044 (struct var_loc_node): Remove section_label field.
4045 (dwarf2out_function_decl): New function.
4046 (dwarf2out_var_location): Don't set section_label field.
4047 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4049 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4051 PR tree-optimization/43544
4052 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4053 First argument for builtin vectorized function hook is now a
4054 tree to be able to distinguish between machine specific and
4056 * targhooks.c (default_builtin_vectorized_function): Ditto.
4057 * targhooks.h (default_builtin_vectorized_function): Ditto.
4058 * target.h (struct gcc_target): Ditto.
4059 * tree-vect-stmts.c (vectorizable_function): Ditto.
4060 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4061 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4064 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4067 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4068 nested binding iff it is a FUNCTION_DECL.
4069 (store_parm_decls_newstyle): Pass nested=true to bind for
4070 FUNCTION_DECLs amongst parameters.
4072 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4074 * var-tracking.c (vt_expand_loc_callback): Don't run
4075 cselib_expand_value_rtx_cb in dummy mode if
4076 cselib_dummy_expand_value_rtx_cb returned false.
4078 * var-tracking.c (emit_note_insn_var_location): For one part
4079 notes with offset 0, don't add EXPR_LIST around the location.
4080 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4081 add_location_or_const_value_attribute): Adjust for that change.
4084 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4085 into first operand and location into second.
4086 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4087 dw_cfi_oprnd_loc for DW_CFA_expression.
4088 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4089 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4090 assume first argument is regnum and second argument is location.
4092 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4095 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4096 of scratch register to DImode. Split to DImode comparison operator.
4097 Use SImode subreg of scratch register in the multiplication.
4098 (*cmp_sadd_sidi): Ditto.
4099 (*cmp_ssub_si): Ditto.
4100 (*cmp_ssub_sidi): Ditto.
4102 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4105 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4106 Remove invalid assert and wrong comment.
4108 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4111 * flags.h (final_insns_dump_p): New extern.
4112 * final.c (final_insns_dump_p): New variable.
4113 (rest_of_clean_state): Set it before -fdump-final-insns=
4114 dumping, clear afterwards.
4115 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4116 MEM_ALIAS_SET on MEMs.
4118 2010-03-26 David S. Miller <davem@davemloft.net>
4120 * configure.ac: Fix sparc GOTDATA_OP bug check.
4121 * configure: Rebuild.
4123 2010-03-26 Alan Modra <amodra@gmail.com>
4125 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4127 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4129 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4130 TLS_SECTION_ASM_FLAG.
4132 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4135 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4136 Clear first_function_block_is_cold.
4139 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4140 argument if the argument is truth_value_p.
4142 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4144 * config/rs6000/constraints.md: Update copyright year for my changes.
4147 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4148 used in reg+reg addressing, swap registers.
4150 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4153 * target.h (struct gcc_target): Add code_end hook.
4154 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4156 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4157 * toplev.c (compile_file): Call targetm.asm_out.code_end
4158 hook before unwind info/debug info output.
4159 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4160 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4161 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4162 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4163 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4164 * config/i386/i386.c (ix86_file_end): Renamed to...
4165 (ix86_code_end): ... this. Make static. Don't call
4166 file_end_indicate_exec_stack. Emit unwind info using
4167 final_start_function/final_end_function.
4168 (darwin_x86_file_end): Remove.
4169 (TARGET_ASM_CODE_END): Define.
4170 * config/i386/i386.h (TARGET_ASM_FILE_END,
4171 NEED_INDICATE_EXEC_STACK): Don't define.
4172 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4173 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4174 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4175 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4178 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4179 at the beginning and final_end_function at the end.
4180 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4182 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4184 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4185 and Sun as TLS syntax.
4186 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4187 * configure: Regenerate.
4188 * config.in: Regenerate.
4189 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4190 (default_elf_asm_named_section): Use it.
4191 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4192 (i386_output_dwarf_dtprel): Likewise.
4193 (output_addr_const_extra): Likewise.
4194 (output_pic_addr_const): Lowercase @GOTTPOFF.
4195 (output_addr_const_extra): Likewise.
4196 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4197 (output_addr_const_extra): Likewise.
4198 (output_pic_addr_const): Lowercase @INDNTPOFF.
4199 (output_addr_const_extra): Likewise.
4200 (output_pic_addr_const): Lowercase @NTPOFF.
4201 (output_addr_const_extra): Likewise.
4202 (output_pic_addr_const): Lowercase @TPOFF.
4203 (output_addr_const_extra): Likewise.
4204 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4205 (*tls_global_dynamic_64): Likewise.
4206 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4207 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4209 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4210 (ASM_OUTPUT_TLS_COMMON): Use it.
4211 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4214 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4215 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4216 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4217 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4218 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4219 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4221 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4223 * config/i386/i386.c (override_options): Don't accept
4224 -mtls-dialect=sun any longer.
4225 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4226 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4227 (*tls_local_dynamic_base_32_sun): Likewise.
4228 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4230 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4233 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4234 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4237 * ira.c (adjust_cleared_regs): New function.
4238 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4242 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4244 * expr.c (expand_expr_real): Restore previous
4245 curr_insn_source_location and curr_insn_block after
4246 expand_expr_real_1 call.
4247 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4248 instead of expand_expr_real_1.
4250 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4252 PR rtl-optimization/43413
4253 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4256 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4259 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4260 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4262 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4264 * config/i386/i386.c (ix86_target_string): Add -mfma.
4265 Fix a typo in comment.
4267 2010-03-22 Mike Stump <mikestump@comcast.net>
4270 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4271 Don't overly align based upon packed packed fields.
4273 2010-03-22 Jason Merrill <jason@redhat.com>
4275 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4276 Use () rather than [], and move before the element type.
4278 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4280 * doc/configfiles.texi (Configuration Files): Removed
4281 fixinc/Makefile*, intl/Makefile.*.
4282 * doc/makefile.texi: Fixed markup. Abstract from version
4283 control system used.
4284 (Makefile): Removed obsolete gcc/java/parse.y example.
4285 * doc/sourcebuild.texi: Likewise.
4286 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4287 libgomp, libssp. Removed fastjar.
4288 (Miscellaneous Docs): Clarify location.
4289 Added COPYING3, COPYING3.LIB.
4290 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4292 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4295 * config/i386/i386.c (x86_function_profiler)
4296 [!NO_PROFILE_COUNTERS]: Fix typo.
4297 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4300 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4301 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4303 * doc/sourcebuild.texi (Test Directives): Split into six
4304 subsections, with most of the current text in new subsections
4305 Directives, Selectors, and Final Actions.
4306 (Directives): Split list of test directives into multiple
4308 (Selectors): Describe use and syntax of selectors.
4309 (Effective-Target Keywords): Describe all existing keywords.
4310 (Add Options): Describe features for dg-add-options.
4311 (Require Support): Describe variants of dg-require-support.
4312 (Final Actions): Describe commands to use in dg-final.
4314 2010-03-22 Michael Matz <matz@suse.de>
4317 * recog.c (validate_replace_rtx_group): Replace also in
4318 REG_EQUAL and REG_EQUIV notes.
4320 2010-03-22 Richard Guenther <rguenther@suse.de>
4322 PR tree-optimization/43390
4323 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4324 sure vector extracts are type correct.
4326 2010-03-22 Richard Guenther <rguenther@suse.de>
4329 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4330 x * sqrt (x) even when optimizing for size if the target
4331 has native support for sqrt.
4333 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4335 * varasm.c (make_decl_rtl_for_debug): Also clear
4336 flag_mudflap for the duration of make_decl_rtl call.
4339 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4340 locs from preserved VALUEs.
4342 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4345 * pa.md (movmemsi): Set align to one if zero.
4346 (movmemdi): Likewise.
4348 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4351 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4352 with their corresponding prologue pushes.
4354 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4357 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4358 at the begining or end.
4359 (spu_expand_epilogue): Likewise.
4361 2010-03-20 Richard Guenther <rguenther@suse.de>
4363 PR rtl-optimization/43438
4364 * combine.c (make_extraction): Properly zero-/sign-extend an
4365 extraction of the low part of a CONST_INT. Also handle
4368 2010-03-19 Mike Stump <mikestump@comcast.net>
4370 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4371 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4372 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4374 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4377 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4380 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4382 PR rtl-optimization/42258
4383 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4384 use that may match DEF.
4387 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4388 the cost of loading the constant rather than assuming
4390 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4391 outer code is AND, do the same tests as the andsi3 expander and
4392 return COSTS_N_INSNS (1) if and is cheap.
4394 * optabs.c (avoid_expensive_constant): Fix formatting.
4396 2010-03-19 Michael Matz <matz@suse.de>
4399 * attribs.c (decl_attributes): When rebuilding a function pointer
4400 type use the same qualifiers as the original pointer type.
4402 2010-03-19 Martin Jambor <mjambor@suse.cz>
4404 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4405 and is_gimple_ip_invariant_address.
4407 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4410 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4412 * config/arm/arm.c (arm_override_options): Turn off
4413 flag_dwarf2_cfi_asm for AAPCS variants.
4415 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4418 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4419 Use PRE_MODIFY instead of PRE_DEC.
4420 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4421 (vfp_emit_fstmd): Likewise.
4423 2010-03-19 Michael Matz <matz@suse.de>
4426 * builtins.c (expand_builtin_interclass_mathfn,
4427 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4430 2010-03-19 Richard Guenther <rguenther@suse.de>
4432 PR tree-optimization/43415
4433 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4434 (phi_translate_1): ... this.
4435 (phi_translate): Move all caching here. Cache all NARY
4436 and REFERENCE translations.
4438 2010-03-19 David S. Miller <davem@davemloft.net>
4440 With help from Eric Botcazou.
4441 * config/sparc/sparc.c: Include dwarf2out.h.
4442 (emit_pic_helper): Delete.
4443 (pic_helper_symbol_name): Delete.
4444 (pic_helper_emitted_p): Delete.
4445 (pic_helper_needed): New.
4446 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4447 (get_pc_thunk_name): New.
4448 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4449 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4450 Set pic_helper_needed to true. Don't call emit_pic_helper.
4451 (sparc_expand_prologue): Update load_pic_register call.
4452 (sparc_output_mi_thunk): Likewise.
4453 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4454 thunk if possible. Output CFI information as needed.
4456 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4457 Jack Howarth <howarth@bromo.med.uc.edu>
4460 * config/i386/i386.h: Fix ABI on darwin x86-32.
4462 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4464 * tree.h: Declare make_decl_rtl_for_debug.
4465 * varasm.c (make_decl_rtl_for_debug): New.
4466 * dwarf2out.c (rtl_for_decl_location): Call it.
4467 * cfgexpand.c (expand_debug_expr): Call it.
4469 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4472 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4476 * var-tracking.c (vt_init_cfa_base): Do nothing if
4477 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4479 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4482 * var-tracking.c (canonicalize_vars_star): New.
4483 (dataflow_post_merge_adjust): Use it.
4485 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4488 * var-tracking.c (non_suitable_const): New function.
4489 (add_uses): For DEBUG_INSNs with constants, don't record any
4490 value, instead just the constant value itself.
4491 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4492 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4493 (emit_notes_in_bb): Likewise.
4494 (emit_note_insn_var_location): For onepart variables if
4495 cur_loc is a VOIDmode constant, use DECL_MODE.
4497 2010-03-18 Martin Jambor <mjambor@suse.cz>
4500 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4501 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4502 all non-clones. Moved call redirection...
4503 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4504 (cgraph_materialize_all_clones): Dispose of all
4505 combined_args_to_skip bitmaps.
4506 (verify_cgraph_node): Do not check for edges pointing to wrong
4507 nodes in inline clones.
4508 * tree-inline.c (copy_bb): Call
4509 cgraph_redirect_edge_call_stmt_to_callee.
4510 * ipa.c (cgraph_remove_unreachable_nodes): Call
4511 cgraph_node_remove_callees even when there are used clones.
4513 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4515 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4517 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4520 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4523 2010-03-18 Michael Matz <matz@suse.de>
4526 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4527 into sqrt(x) if we need to preserve signed zeros.
4529 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4530 Eric Botcazou <ebotcazou@adacore.com>
4532 PR rtl-optimization/43360
4533 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4534 note if we don't know its invariant status.
4536 2010-03-18 Michael Matz <matz@suse.de>
4538 PR tree-optimization/43402
4539 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4540 PHI chains of ssa names registered for update.
4542 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4545 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4546 non-offsettable and pre_modify update addressing.
4547 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4548 and "2" alternatives "#".
4549 (*movdd_softfloat32): Make all alternatives "#";
4550 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4551 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4552 (*movdf_softfloat32): Make all alternatives "#";
4553 (movdi): Use the new DIFD mode iterator to create a common splitter
4554 for movdi, movdf and movdd patterns.
4556 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4558 * common.opt (dumpdir): Remove redundant tab.
4560 2010-03-17 Martin Jambor <mjambor@suse.cz>
4562 PR tree-optimization/43347
4563 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4564 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4566 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4568 PR rtl-optimization/42216
4569 * regrename.c (create_new_chain): New function, broken out from...
4570 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4571 appending a use to an empty chain.
4572 (build_def_use): Remove previous changes that convert OP_INOUT to
4573 OP_OUT operands; instead detect the case where an OP_INOUT operand
4574 uses a previously untracked register and create an empty chain for it.
4576 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4578 * doc/extend.texi (Function Attributes): Rewrite unfinished
4579 sentence in ms_abi documentation.
4581 2010-03-17 Alan Modra <amodra@gmail.com>
4583 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4584 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4585 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4586 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4588 2010-03-16 Richard Henderson <rth@redhat.com>
4591 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4592 (lower_try_finally): Save and restore eh_seq around the expansion
4595 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4597 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4598 statements before splitting block.
4600 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4602 * doc/sourcebuild.texi (Testsuites): Fix markup.
4603 Use pathnames relative to gcc/testsuite.
4604 (Test Directives): Move description of how timeout is determined.
4605 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4606 (C Tests): Correct gcc.misc-tests directory.
4607 Framework tests now live in gcc.test-framework.
4609 2010-03-16 Richard Guenther <rguenther@suse.de>
4612 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4613 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4615 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4616 Alexandre Oliva <aoliva@redhat.com>
4618 PR tree-optimization/42917
4619 * lambda-code.c (remove_iv): Skip debug statements.
4620 (lambda_loopnest_to_gcc_loopnest): Likewise.
4621 (not_interesting_stmt): Debug statements are not interesting.
4623 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4627 * cselib.c (cselib_preserve_constants,
4628 cfa_base_preserved_val): New static variables.
4629 (preserve_only_constants): New function.
4630 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4631 clear its REG_VALUES. If cselib_preserve_constants, don't
4632 empty the whole hash table, but preserve there VALUEs with constants,
4633 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4634 (cselib_preserve_cfa_base_value): New function.
4635 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4636 (cselib_init): Change argument to int bitfield. Set
4637 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4639 (cselib_finish): Clear cselib_preserve_constants and
4640 cfa_base_preserved_val.
4641 * cselib.h (enum cselib_record_what): New enum.
4642 (cselib_init): Change argument to int.
4643 (cselib_preserve_cfa_base_value): New prototype.
4644 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4645 * dse.c (dse_step1): Likewise.
4646 * cfgcleanup.c (thread_jump): Likewise.
4647 * sched-deps.c (sched_analyze): Likewise.
4648 * gcse.c (local_cprop_pass): Likewise.
4649 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4650 If FN is non-NULL, call the callback always and whenever it returns
4651 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4652 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4653 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4654 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4655 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4656 * var-tracking.c: Include recog.h.
4657 (bb_stack_adjust_offset): Remove.
4658 (vt_stack_adjustments): Don't call it, instead just gather the
4659 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4660 (adjust_stack_reference): Remove.
4661 (compute_cfa_pointer): New function.
4662 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4663 (struct adjust_mem_data): New type.
4664 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4666 (get_address_mode): New function.
4667 (replace_expr_with_values): Use it.
4668 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4669 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4670 (adjust_sets): Remove.
4671 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4672 Use get_address_mode.
4673 (get_adjusted_src): Remove.
4674 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4675 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4676 (add_with_sets): Don't call adjust_sets.
4677 (fp_setter, vt_init_cfa_base): New functions.
4678 (vt_initialize): Change return type to bool. Move most of pool etc.
4679 initialization to the beginning of the function from end. Pass
4680 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4681 If !frame_pointer_needed, call vt_stack_adjustment before mos
4682 vector is filled, call vt_init_cfa_base if argp/framep has been
4683 eliminated to sp. If frame_pointer_needed and argp/framep has
4684 been eliminated to hard frame pointer, set
4685 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4686 encountering fp setter in the prologue. For MO_ADJUST, call
4687 log_op_type before pusing the op into mos vector, not afterwards.
4688 Call adjust_insn before cselib_process_insn/add_with_sets,
4689 call cancel_changes (0) afterwards.
4690 (variable_tracking_main_1): Adjust for vt_initialize calling
4691 vt_stack_adjustments and returning whether it succeeded or not.
4693 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4695 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4698 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4700 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4702 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4703 drap_reg has not been set.
4705 2010-03-15 Michael Matz <matz@suse.de>
4708 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4709 use it to expand block copies.
4710 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4711 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4712 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4714 2010-03-15 Richard Guenther <rguenther@suse.de>
4716 PR tree-optimization/43367
4717 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4720 2010-03-15 Richard Guenther <rguenther@suse.de>
4722 PR tree-optimization/43317
4723 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4725 2010-03-15 Martin Jambor <mjambor@suse.cz>
4727 PR tree-optimization/43141
4728 * tree-sra.c (create_abstract_origin): New function.
4729 (modify_function): Call create_abstract_origin.
4731 2010-03-15 Chris Demetriou <cgd@google.com>
4733 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4736 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4739 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4740 call insert_out_of_ssa_copy for default definitions.
4742 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4744 * graphite-clast-to-gimple.c (my_long_long): Defined.
4745 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4746 * graphite-sese-to-poly.c (my_long_long): Defined.
4747 (scop_ivs_can_be_represented): Use it.
4749 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4751 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4752 graphite-max-bbs-per-function, and loop-block-tile-size.
4753 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4755 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4757 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4759 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4760 forward declaration.
4761 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4762 (add_upper_bounds_from_estimated_nit): New.
4763 (build_loop_iteration_domains): Use it.
4765 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4767 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4769 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4772 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4773 should be an INTEGER_CST. Also handle CASE_CONVERT.
4775 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4777 * graphite.c (graphite_initialize): To bound the number of bbs per
4778 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4779 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4780 * doc/invoke.texi: Document it.
4782 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4784 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4785 * graphite-sese-to-poly.h (build_poly_scop): Same.
4787 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4789 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4790 the number of parameters in the scop. Use as an upper bound
4791 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4792 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4793 * doc/invoke.texi: Document it.
4795 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4797 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4798 * doc/c-tree.texi: Remove.
4799 * doc/generic.texi: Merge c-tree.texi here.
4800 * doc/gccint.texi (Trees): Remove menu entry.
4801 (c-tree.texi): Remove @include.
4802 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4803 * doc/languages.texi (Reading RTL): Ditto.
4805 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4808 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4810 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4813 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4814 code added to work around reload clobbering CONST insns.
4816 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4818 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4819 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4820 (cselib_preserve_only_values): Remove retain argument, don't
4821 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4822 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4823 * var-tracking.c (micro_operation): Move insn field before union.
4824 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4825 (struct variable_tracking_info_def): Remove n_mos field, change
4826 mos into a vector of micro_operations.
4827 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4828 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4829 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4830 changing into a vector.
4831 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4832 come before all other uops generated by add_stores.
4833 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4835 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4836 a vector. Run just one pass over the bbs instead of separate counting
4837 and computation phase.
4838 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4841 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4842 into *nonlocalized_list vector.
4843 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4844 even if origin is non-NULL.
4845 (gen_variable_die): Likewise.
4846 (process_scope_var): Don't change origin.
4847 (gen_decl_die): Likewise.
4848 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4849 before adding new edges instead of after it, fix moving over
4852 2010-03-11 David S. Miller <davem@davemloft.net>
4854 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4856 * configure: Rebuild.
4858 2010-03-11 Martin Jambor <mjambor@suse.cz>
4860 PR tree-optimization/43257
4861 * tree.c (assign_assembler_name_if_neeeded): New function.
4862 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4864 * tree.h (assign_assembler_name_if_neeeded): Declare.
4865 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4866 the function if needed.
4868 2010-03-11 Chris Demetriou <cgd@google.com>
4870 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4871 include/stdint-gcc.h, and include/stdint.h world-readable.
4873 2010-03-11 Richard Guenther <rguenther@suse.de>
4875 PR tree-optimization/43255
4876 * tree-vrp.c (process_assert_insertions_for): Do not insert
4877 asserts for trivial conditions.
4879 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4881 PR tree-optimization/43280
4882 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4883 generation. Move calculation of size out of the if branch.
4884 (find_bswap): Modify compare number generation.
4886 2010-03-11 Richard Guenther <rguenther@suse.de>
4889 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4890 (input_gimple_stmt): Fixup handled component types during
4891 operand read. Also fix up decls in ADDR_EXPRs.
4893 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4895 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4896 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4898 2010-03-10 Jan Hubicka <jh@suse.cz>
4901 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4902 * varasm.c (get_variable_section): Don't do that here...
4903 (make_decl_rtl): ... and here.
4904 (do_assemble_alias): Produce decl RTL.
4905 (assemble_alias): Likewise.
4907 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4910 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4911 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4913 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4914 (based_loc_descr): Only express drap or vdrap regno based expressions
4915 using DW_OP_fbreg when not optimizing.
4916 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4917 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4918 REG_CFA_SET_VDRAP note.
4920 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4922 PR tree-optimization/43236
4923 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4924 error in calculation of base address in reverse iteration case.
4925 (generate_builtin): Take number of latch executions if the statement
4928 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4931 * tree-eh.c: Include pointer-set.h.
4932 (lower_eh_dispatch): Filter out duplicate case labels and
4933 remove the unneeded edge when the label is unused. Return
4934 true when some edges are removed.
4935 (execute_lower_eh_dispatch): When any lowering resulted in
4936 removing an edge, also delete unreachable blocks.
4938 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4941 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4942 UNSPEC_MACHOPIC_OFFSET.
4944 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4947 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4948 (m68k_delegitimize_address): New function.
4950 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4953 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4956 * var-tracking.c (adjust_sets): New function.
4957 (count_with_sets, add_with_sets): Use it.
4958 (get_adjusted_src): New inline function.
4959 (add_stores): Use it.
4962 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4963 call cselib_dummy_expand_value_rtx_cb instead of
4964 cselib_expand_value_rtx_cb.
4967 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4968 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4969 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4970 and .cfi_endproc around the pic thunks.
4971 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4972 all queued unwind info register saves are saved before the call.
4973 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4974 considered as sp-=4 for unwind info and the pop as sp+=4 which
4975 also clobbers dest, but doesn't actually restore it.
4978 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4979 RTX_FRAME_RELATED_P.
4981 2010-03-09 Jie Zhang <jie@codesourcery.com>
4983 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4984 whitespaces in output template.
4986 2010-03-09 Jie Zhang <jie@codesourcery.com>
4988 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4991 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4993 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4994 builtins.exp in a separate job.
4996 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4998 * graphite-sese-to-poly.c (add_param_constraints): Use
4999 lower_bound_in_type and upper_bound_in_type.
5001 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5003 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5004 instead of unsigned_type_node.
5006 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5007 Reza Yazdani <reza.yazdani@amd.com>
5010 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5011 on pointer type parameters.
5013 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5017 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5018 handle conversions from pointer to integers.
5019 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5020 induction variable, to be able to work with code generated by CLooG.
5021 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5022 (build_poly_scop): Bail out if we cannot codegen a loop.
5024 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5026 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5027 code generation with gloog_error.
5029 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5031 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5032 Call fold_convert on all the returned values.
5033 (expand_scalar_variables_expr): Pass to
5034 expand_scalar_variables_ssa_name the type of the resulting expression.
5036 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5038 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5039 ppl_min_for_le_pointset.
5040 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5041 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5043 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5045 * graphite-dependences.c (map_into_dep_poly): Removed.
5046 (dependence_polyhedron_1): Use combine_context_id_scat.
5048 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5050 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5051 (struct poly_bb): Same.
5052 (combine_context_id_scat): New.
5054 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5057 * sese.c (name_defined_in_loop_p): Return false for default
5060 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5062 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5063 and clean up the logic.
5065 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5067 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5070 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5072 * var-tracking.c (remove_cselib_value_chains): Define only for
5074 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5075 delete_slot_part, emit_notes_for_differences_1): Don't call
5076 remove_cselib_value_chains here.
5077 (set_slot_part, emit_notes_for_differences_2): Don't call
5078 add_cselib_value_chains here.
5079 (preserved_values): New vector.
5080 (preserve_value): New function.
5081 (add_uses, add_stores, vt_add_function_parameters): Use it
5082 instead of cselib_preserve_value.
5083 (changed_values_stack): New vector.
5084 (check_changed_vars_0): New function.
5085 (check_changed_vars_1, check_changed_vars_2): Use it.
5086 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5087 changed_values_stack VALUEs.
5088 (vt_emit_notes): For all preserved_values call
5089 add_cselib_value_chains. If ENABLE_CHECKING call
5090 remove_cselib_value_chains before verifying value_chains is empty.
5091 Initialize and free changed_values_stack.
5092 (vt_initialize): Initialize preserved_values.
5093 (vt_finalize): Free preserved_values.
5095 2010-03-08 Richard Guenther <rguenther@suse.de>
5097 PR tree-optimization/43269
5098 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5101 2010-03-08 Martin Jambor <mjambor@suse.cz>
5103 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5104 (ipa_is_param_called): Removed.
5105 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5106 (ipa_print_node_params): Do not print the called flag.
5107 (ipa_write_node_info): Do not stream the called flag.
5108 (ipa_read_node_info): Likewise.
5110 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5113 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5114 * cselib.c (struct expand_value_data): Add dummy field.
5115 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5117 (cselib_dummy_expand_value_rtx_cb): New function.
5118 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5120 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5121 * var-tracking.c: Include pointer-set.h.
5122 (variable): Change n_var_parts to char from int. Add
5123 cur_loc_changed and in_changed_variables fields.
5124 (variable_canonicalize): Remove.
5125 (shared_var_p): New inline function.
5126 (unshare_variable): Maintain cur_loc_changed and
5127 in_changed_variables fields. If var was in changed_variables,
5128 replace it there with new_var. Just copy cur_loc instead of
5129 resetting it to something else.
5130 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5131 (dataflow_set_union): Don't call variable_canonicalize.
5132 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5133 of their DEBUG_EXPR_TREE_DECLs.
5134 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5135 and in_changed_variables and cur_loc_changed is false.
5136 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5137 and cur_loc_changed. Don't update cur_loc here.
5138 (variable_merge_over_src): Don't call variable_canonicalize.
5139 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5140 removing loc that is equal to cur_loc, clear cur_loc,
5141 set cur_loc_changed and ensure variable_was_changed is called.
5142 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5143 compare pointers in cur_loc check, if it is equal to loc,
5144 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5145 (variable_different_p): Remove compare_current_location argument,
5146 don't compare cur_loc.
5147 (dataflow_set_different_1): Adjust variable_different_p caller.
5148 (variable_was_changed): If dv had some var in changed_variables
5149 already, reset in_changed_variables flag for it and propagate
5150 cur_loc_changed over to the new variable. On empty var
5151 always set cur_loc_changed. Set in_changed_variables on whatever
5152 var is added to changed_variables.
5153 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5154 Use shared_var_p. When removing loc that is equal to cur_loc,
5155 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5156 end, don't set it to something else, just call variable_was_changed.
5157 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5158 loc being removed, clear cur_loc and set cur_loc_changed.
5159 Set cur_loc_changed if all locations have been removed.
5160 (struct expand_loc_callback_data): New type.
5161 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5162 allocated. Always create SUBREGs if simplify_subreg failed.
5163 Prefer to use cur_loc, when that fails and still in
5164 changed_variables (and seen first time) recompute it. Set
5165 cur_loc_changed of variables which had to change cur_loc and
5166 compute elcd->cur_loc_changed if any of the subexpressions used
5167 had to change cur_loc.
5168 (vt_expand_loc): Adjust to pass arguments in
5169 expand_loc_callback_data structure.
5170 (vt_expand_loc_dummy): New function.
5171 (emitted_notes): New variable.
5172 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5173 that weren't used for any other decl in current
5174 emit_notes_for_changes call call vt_expand_loc_dummy to update
5175 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5176 first loc_chain location if NULL before. Always use just
5177 cur_loc instead of first loc_chain location. When cur_loc_changed
5178 is false, when not --enable-checking=rtl just don't emit any note.
5179 When rtl checking, compute the note and assert it is the same
5180 as previous note. Clear cur_loc_changed and in_changed_variables
5181 at the end before removing from changed_variables.
5182 (check_changed_vars_3): New function.
5183 (emit_notes_for_changes): Traverse changed_vars to call
5184 check_changed_vars_3 on each changed var.
5185 (emit_notes_for_differences_1): Clear cur_loc_changed and
5186 in_changed_variables. Recompute cur_loc of new_var.
5187 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5188 (vt_emit_notes): Initialize and destroy emitted_notes.
5190 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5192 PR rtl-optimization/42220
5193 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5194 Use verify_reg_tracked to determine if we should use OP_OUT rather
5196 (build_def_use): If we see an in-out operand for a register that we
5197 know nothing about, treat is an output if possible, fail the block if
5200 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5203 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5206 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5209 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5210 uses of relevant DEFs that are dead outside the loop too.
5212 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5214 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5216 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5218 * var-tracking.c (values_to_unmark): New variable.
5219 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5220 values_to_unmark vector. Moved body to...
5221 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5222 instead queue it into values_to_unmark vector.
5223 (vt_find_locations): Free values_to_unmark vector.
5225 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5227 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5228 (site.exp): Export them when plugins are enabled.
5230 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5233 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5235 (chrec_fold_multiply): Same.
5237 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5240 * c-decl.c (build_compound_literal): Return early if init is
5243 2010-03-04 Martin Jambor <mjambor@suse.cz>
5245 PR tree-optimization/43164
5246 PR tree-optimization/43191
5247 * tree-sra.c (type_consists_of_records_p): Reject records with
5248 zero-size bit-fields at the end.
5250 2010-03-04 Mike Stump <mikestump@comcast.net>
5252 * Makefile.in (TAGS): Remove *.y.
5254 2010-03-04 Richard Guenther <rguenther@suse.de>
5256 PR tree-optimization/40761
5257 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5259 (my_rev_post_order_compute): New function.
5260 (init_pre): Call it.
5262 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5265 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5266 decrease the cost of an IV candidate when the cost is infinite.
5268 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5270 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5271 Use '3DNow!' for the extension of that name, ensure normal space
5273 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5275 2010-03-03 Jeff Law <law@redhat.com>
5277 * PR middle-end/32693
5278 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5279 than gen_rtx_SUBREG.
5280 (extract_bit_field_1): Likewise.
5282 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5284 * doc/sourcebuild.texi (Test directives): Document that arguments
5285 include-opts and exclude-opts are now optional for dg-skip-if,
5286 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5288 2010-03-03 Jason Merrill <jason@redhat.com>
5291 * cgraph.h (varpool_node): Add extra_name field.
5292 * varpool.c (varpool_extra_name_alias): New.
5293 (varpool_assemble_decl): Emit extra name aliases.
5294 (varpool_mark_needed_node): Look past an extra name alias.
5295 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5296 * lto-streamer-in.c (lto_input_tree): Read it.
5297 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5299 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5301 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5302 (sparc*-*-solaris2*): ...this.
5304 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5307 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5308 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5309 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5310 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5313 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5314 fallthrough to default handling, just with want_address 0 instead of 2.
5315 For single element lists, add_AT_loc directly, otherwise create an
5316 artificial variable DIE and stick location list to it.
5319 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5320 (VAL_EXPR_HAS_REVERSE): Define.
5321 (reverse_op): New function.
5322 (add_stores): For reversible operations add an extra MO_VAL_USE.
5324 2010-03-02 Jason Merrill <jason@redhat.com>
5326 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5328 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5330 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5331 (sparc64-*-linux*): Likewise.
5332 (sparc64-*-solaris2*): Include assembler files before linker ones.
5333 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5334 * config/sparc/gas.h: Delete.
5335 * config/sparc/sol2-64.h: Add copyright notice.
5336 * config/sparc/sol2-gas-bi.h: Likewise.
5337 * config/sparc/sol2-gld.h: Likewise.
5338 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5339 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5340 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5341 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5342 (sparc_elf_asm_named_section): Rename into...
5343 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5345 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5347 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5349 2010-03-02 Jeff Law <law@redhat.com>
5352 * reload1.c (rtx_p, substitute_stack): Declare.
5353 (substitute): Record addresses of changed rtxs.
5354 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5355 Restore the original rtx when complete.
5356 (reload): Free subsitute_stack when complete.
5358 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5360 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5361 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5363 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5364 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5365 Torture Tests): Change from subsection to section.
5367 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5368 Steven Bosscher <steven@gcc.gnu.org>
5370 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5373 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5376 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5377 the assignment from the new induction variable to the assignment
5378 of the value from the original loop PHI function.
5380 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5381 Daniel Jacobowitz <dan@codesourcery.com>
5383 * doc/sourcebuild.texi (Test directives): Clarify options to
5386 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5388 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5389 Disable cfi directives unless GCC and gas agree on using read-only
5390 .eh_frame sections for 64-bit.
5391 * configure: Regenerate.
5393 2010-03-01 Richard Guenther <rguenther@suse.de>
5395 PR tree-optimization/43220
5396 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5397 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5399 2010-03-01 Richard Guenther <rguenther@suse.de>
5400 Martin Jambor <mjambor@suse.cz>
5403 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5404 gimplified parameters.
5406 2010-03-01 Christian Bruel <christian.bruel@st.com>
5408 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5410 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5412 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5414 2010-03-01 Richard Guenther <rguenther@suse.de>
5417 * expr.c (expand_assignment): Use the alias-oracle to tell
5418 if the rhs aliases the result decl.
5420 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5423 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5424 to sol_gt_pch_get_address.
5425 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5426 64-bit, SPARC and x86.
5427 (sol_gt_pch_get_address): New function.
5429 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5431 * toplev.h (inform_n, error_n): Declare.
5432 * diagnostic.c (inform_n, error_n): New function.
5434 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5436 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5437 has no rtl yet when processing local_decls, queue it and recheck
5438 if deferred stack allocation hasn't assigned it rtl.
5440 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5442 * config/sh/sh.c (unspec_bbr_uid): New.
5443 (gen_block_redirect): Use it instead of INSN_UID.
5444 (gen_far_branch): Likewise.
5446 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5448 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5449 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5451 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5453 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5454 (Warning Options): -Wno-conversion-null is valid for
5455 Objective-C++ as well.
5456 * doc/tm.texi (Named Address Spaces): Likewise.
5457 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5458 * doc/tree-ssa.texi (Tree SSA): Likewise.
5460 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5463 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5464 by default. Don't set the default arch for
5465 i[34567]86-*-darwin*|x86_64-*-darwin*.
5467 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5470 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5471 default. Set the default 32bit/64bit archs with $with_arch
5472 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5474 2010-02-27 Richard Guenther <rguenther@suse.de>
5476 PR tree-optimization/43186
5477 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5478 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5479 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5480 unroller iterations.
5482 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5484 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5485 required and i[34567]86-*-* targets don't support 64bit ISA.
5487 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5490 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5493 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5495 * config.gcc: Set the default arch at least to Prescott for
5496 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5497 if SSE math is enabled.
5499 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5501 * diagnostic.c (diagnostic_initialize): Update.
5502 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5504 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5505 (diagnostic_inhibit_notes): New.
5506 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5508 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5511 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5512 * doc/standards.texi: Likewise.
5513 * doc/extend.texi: Likewise.
5514 * doc/trouble.texi: Likewise.
5515 * doc/cppopts.texi: Likewise.
5516 * doc/install.texi: Likewise.
5517 * c.opt (std=c90,std=gnu90): New options.
5518 * c-opts.c (c_common_handle_option): Handle them.
5520 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5523 * c-decl.c (undeclared_variable): Use an informative note.
5525 2010-02-26 Richard Guenther <rguenther@suse.de>
5527 PR tree-optimization/43186
5528 * gimple.h (gimple_fold): Remove.
5529 * gimple.c (gimple_fold): Remove. Inline into single user ...
5530 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5531 Try harder for conditions.
5533 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5536 * function.c (used_types_insert): Don't skip through named pointer
5537 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5538 and it is different from the main variant's type.
5540 2010-02-26 Nick Clifton <nickc@redhat.com>
5542 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5544 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5546 * config.gcc: Support --with-fpmath=sse for x86.
5548 * config/i386/ssemath.h: New.
5550 * doc/install.texi (--with-fpmath=sse): Documented.
5552 2010-02-26 Richard Guenther <rguenther@suse.de>
5554 PR tree-optimization/43188
5555 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5556 vector types of over-aligned element type.
5558 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5561 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5562 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5564 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5566 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5568 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5570 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5571 * var-tracking.c: Include diagnostic.h.
5572 (debug_dv): New function.
5573 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5576 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5577 (add_value_chain, add_value_chains, remove_value_chain,
5578 remove_value_chains): Handle DEBUG_EXPRs.
5579 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5582 * regcprop.c (struct queued_debug_insn_change): New type.
5583 (struct value_data_entry): Add debug_insn_changes field.
5584 (struct value_data): Add n_debug_insn_changes field.
5585 (debug_insn_changes_pool): New variable.
5586 (free_debug_insn_changes, apply_debug_insn_changes,
5587 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5588 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5589 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5591 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5593 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5594 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5595 changes, call cprop_find_used_regs via note_stores.
5596 (copyprop_hardreg_forward): When copying vd from predecessor
5597 which has any queued DEBUG_INSN changes, make sure the pointers are
5598 cleared. At the end call df_analyze and then if there are any
5599 DEBUG_INSN changes queued at the end of some basic block for still
5600 live registers, apply them.
5601 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5603 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5605 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5608 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5610 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5611 targets. Set the default with_cpu/with_arch from arch/cpu.
5612 Allow x86-64 and native for with_cpu/with_arch.
5614 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5616 * ebitmap.c: Change calls to verify_popcount with calls to
5617 sbitmap_verify_popcount.
5618 (ebitmap_clear_bit): Fixed map->cacheindex test and
5619 map>cache update when bit clearing results in an empty
5622 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5625 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5626 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5627 and support both V2DF and V2DI modes.
5628 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5629 support both V2DF and V2DI modes.
5630 (general): Delete trailing whitespace from a few patterns.
5632 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5633 V2DF/V2DI interleave high/low builtins.
5635 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5638 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5639 interleave high/low functions.
5641 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5643 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5644 #pragma extern_prefix.
5646 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5649 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5650 BLKmode, assert op0 is a MEM and just adjust its mode.
5653 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5654 if bitpos isn't multiple of mode's bitsize.
5656 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5658 * c.opt (-ftemplate-depth=): New.
5659 (-ftemplate-depth-): Deprecate.
5660 * optc-gen.awk: Handle -ftemplate-depth=.
5661 * opth-gen.awk: Likewise.
5662 * c-opts.c (c_common_handle_option): Likewise.
5663 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5665 2010-02-24 Jason Merrill <jason@redhat.com>
5667 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5669 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5671 * cfg.c (alloc_aux_for_block): Remove inline.
5672 (alloc_aux_for_edge): Likewise.
5674 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5676 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5678 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5680 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5681 * config/i386/sol2-gas.h: New file.
5682 * config.gcc (i[34567]86-*-solaris2*): Use it.
5684 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5687 * c-typeck.c (ep_convert_and_check): New.
5688 (build_conditional_expr): Use it.
5689 (build_binary_op): Likewise.
5691 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5693 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5696 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5697 bounds even for -O+.
5698 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5699 expr needs to have DECL_NAME set.
5701 2010-02-24 Nick Clifton <nickc@redhat.com>
5703 * config/mep/mep.c: Include gimple.h.
5704 (mep_function_uses_sp): Delete unused function.
5705 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5706 parameters. Use unsigned integers to count args. Return a
5707 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5709 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5712 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5713 greater or equal to nelt instead of 2 * nelt.
5714 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5717 2010-02-23 Jason Merrill <jason@redhat.com>
5720 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5721 in cfun->local_decls even if they have register types.
5724 * stor-layout.c (place_field): Don't warn about unnecessary
5725 DECL_PACKED if the type is packed.
5727 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5730 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5731 GOTOFF relocs, even when the base reg isn't pic pointer.
5733 2010-02-23 Michael Matz <matz@suse.de>
5736 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5737 (expand_gimple_basic_block): Generate and use debug temps if there
5738 are debug uses left after the last real use of TERed ssa names.
5739 Unlink debug immediate uses when they are expanded.
5741 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5744 * config/i386/i386.c (override_options): Reorganise to provide
5745 better error messages.
5747 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5750 * graphite-scop-detection.c (create_single_exit_edge): Move
5751 the call to find_single_exit_edge to....
5752 (create_sese_edges): ...here. Don't handle multiple edges
5753 exiting the function.
5754 (build_graphite_scops): Don't handle multiple edges
5755 exiting the function.
5757 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5760 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5761 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5763 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5766 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5768 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5771 * c-typeck.c (convert_arguments): Print declaration location.
5772 * c-common.c (validate_nargs): Rename as
5773 builtin_function_validate_nargs.
5774 (check_builtin_function_arguments): Update.
5776 2010-02-22 Richard Guenther <rguenther@suse.de>
5779 * tree-inline.c (declare_return_variable): Use the type of
5780 the call stmt lhs if available.
5782 2010-02-22 Duncan Sands <baldrick@free.fr>
5784 * passes.c (register_pass): Always consider all pass lists when
5785 ref_pass_instance_number is zero.
5787 2010-02-22 Richard Guenther <rguenther@suse.de>
5789 PR tree-optimization/42749
5790 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5791 parameter. Do arithmetic in the original type.
5792 (update_accumulator_with_ops): Likewise.
5793 (adjust_accumulator_values): Adjust.
5795 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5797 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5798 (QI to BLKmode splitter): New splitter.
5800 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5802 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5803 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5805 2010-02-22 Richard Guenther <rguenther@suse.de>
5807 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5809 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5811 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5812 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5813 ($(T)crti.o, $(T)crtn.o): Remove rules.
5815 2010-02-21 Tobias Burnus <burnus@net-b.de>
5818 * doc/invoke.texi (-fassociative-math): Document that this
5819 option is automatically enabled for Fortran.
5821 2010-02-20 David S. Miller <davem@davemloft.net>
5823 * configure.ac: Test if linker and assembler properly support
5824 GOTDATA_OP relocations.
5825 * configure: Rebuild.
5826 * config.in: Likewise.
5827 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5828 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5829 (movsi_high_pic): Likewise.
5830 (movdi_lo_sum_pic): Likewise.
5831 (movdi_high_pic): Likewise.
5832 (movsi_pic_gotdata_op): New pattern.
5833 (movdi_pic_gotdata_op): Likewise.
5834 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5835 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5837 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5840 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5841 attribute to ssemul.
5842 (xop_mulv2div2di3_high): Ditto.
5844 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5847 * c.opt (Wconversion-null): New option.
5848 * doc/invoke.texi (Wconversion-null): Document.
5850 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5852 * common.opt (Wlarger-than-): Add Undocumented.
5854 2010-02-19 Mike Stump <mikestump@comcast.net>
5856 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5858 2010-02-19 Jason Merrill <jason@redhat.com>
5861 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5862 * configure: Likewise.
5864 2010-02-20 Alan Modra <amodra@gmail.com>
5867 * cgraph.h (cgraph_make_decl_local): Declare.
5868 * cgraph.c (cgraph_make_decl_local): New function.
5869 (cgraph_make_node_local): Use it.
5870 * cgraphunit.c (cgraph_function_versioning): Likewise.
5871 * ipa.c (function_and_variable_visibility): Likewise.
5873 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5876 * except.c (sjlj_emit_function_enter): Don't call
5877 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5879 * rtl.h (add_reg_br_prob_note): Remove prototype.
5881 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5884 * c-common.c (conversion_warning): Remove widening conversions
5885 before checking the conversion of integers to reals.
5887 2010-02-19 Mike Stump <mikestump@comcast.net>
5890 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5893 * cgraphunit.c (process_function_and_variable_attributes): Check
5894 DECL_PRESERVE_P instead of looking up attribute "used".
5895 * ipa-pure-const.c (check_decl): Likewise.
5896 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5897 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5898 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5899 instead of attribute "used".
5900 * config/sol2-c.c (solaris_pragma_init): Likewise.
5901 (solaris_pragma_fini): Likewise.
5903 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5905 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5906 Use XCNEW instead of xcalloc.
5907 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5908 XNEW instead of xmalloc.
5909 (get_fields): Use XNEWVEC instead of xmalloc.
5912 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5913 populate vars array.
5914 (create_new_general_access): For debug stmts just reset value.
5915 (get_stmt_accesses): For accesses within debug stmts just record them
5916 using add_access_to_acc_sites instead of preventing the peeling or
5917 counting them as accesses.
5920 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5922 2010-02-19 Richard Guenther <rguenther@suse.de>
5924 PR tree-optimization/42916
5925 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5928 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5930 * configure.ac: Replace all uses of changequote in macro arguments
5931 with proper quoting.
5933 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5936 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5938 2010-02-19 Richard Guenther <rguenther@suse.de>
5940 PR tree-optimization/42944
5941 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5942 test for aliasing with errno.
5944 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5947 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5948 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5949 * dojump.c: Include output.h.
5950 (inv): New inline function.
5951 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5952 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5953 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5954 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5955 argument, pass it down to other calls.
5956 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5957 add REG_BR_PROB note to the conditional jump.
5958 * cfgexpand.c (add_reg_br_prob_note): Removed.
5959 (expand_gimple_cond): Don't call it, add the probability
5960 as last argument to jumpif_1/jumpifnot_1.
5961 * Makefile.in (dojump.o): Depend on output.h.
5962 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5964 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5965 * stmt.c (do_jump_if_equal): Likewise.
5966 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5967 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5968 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5970 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5971 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5972 jumpifnot_1 callers.
5973 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5975 (store_expr): Adjust jumpifnot caller.
5976 (store_constructor): Adjust jumpif caller.
5979 * gimplify.c (gimple_boolify): For __builtin_expect call
5980 gimple_boolify also on its first argument.
5982 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5984 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5986 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5987 * configure: Regenerated.
5989 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5991 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5992 lang_hooks.types_compatible_p instead of comptypes.
5994 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5996 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5997 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5998 if __prefer_thumb__ is defined.
6000 2010-02-18 Martin Jambor <mjambor@suse.cz>
6002 PR tree-optimization/43066
6003 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6004 array with zero-sized element type.
6006 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6008 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6009 rtx, allocate struct var_loc_node here and return it to the
6010 caller, and only if it is actually needed.
6011 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6012 move it earlier and return immediately if it returns NULL.
6014 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6016 * config/sparc/gas.h: New file. Restore
6017 TARGET_ASM_NAMED_SECTION to its ELF default.
6018 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6020 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6021 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6022 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6023 after sparc/sysv4.h.
6025 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6027 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6029 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6031 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6032 patterns from predicated pattern.
6034 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6037 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6038 for insn mnemonic suffix.
6040 2010-02-17 Richard Guenther <rguenther@suse.de>
6042 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6045 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6048 * caller-save.c (save_call_clobbered_regs): If BB ends with
6049 a DEBUG_INSN, move any notes in between last real insn and the last
6050 DEBUG_INSN after the last DEBUG_INSN.
6052 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6054 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6055 Fix return type. Fix argument type. Explain meaning of return value.
6057 2010-02-16 Richard Guenther <rguenther@suse.de>
6059 PR tree-optimization/41043
6060 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6061 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6063 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6065 2010-02-16 Ira Rosen <irar@il.ibm.com>
6067 PR tree-optimization/43074
6068 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6069 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6070 vectorizable cycles in hybrid SLP check.
6071 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6073 2010-02-16 Richard Guenther <rguenther@suse.de>
6075 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6076 (true_dependence): If memrefs_conflict_p computes must-alias
6077 trust it. Move TBAA check after offset-based disambiguation.
6078 (canon_true_dependence): Likewise.
6080 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6082 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6083 * doc/invoke.texi: Document it.
6084 * var-tracking.c: Include toplev.h and params.h.
6085 (vt_find_locations): Return bool indicating success. Compute
6086 hash sizes unconditionally. Check new parameter, report.
6087 (variable_tracking_main_1): Check vt_find_locations results and
6088 retry. Renamed from...
6089 (variable_tracking_main): ... this. New wrapper to preserve
6090 flag_var_tracking_assignments.
6091 * Makefile.in (var-tracking.o): Adjust dependencies.
6093 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6094 Jakub Jelinek <jakub@redhat.com>
6097 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6098 if weak_import attribute is present.
6099 * config/darwin.c (machopic_select_section): Likewise.
6101 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6103 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6104 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6105 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6106 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6108 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6111 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6114 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6115 Rewrite text to refer to the names.
6117 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6119 * config/i386/i386-builtin-types.def
6120 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6121 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6122 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6123 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6124 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6125 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6126 IX86_BUILTIN_VPERMIL2PS256.
6127 (MULTI_ARG_4_DF2_DI_I): Defined.
6128 (MULTI_ARG_4_DF2_DI_I1): Defined.
6129 (MULTI_ARG_4_SF2_SI_I): Defined.
6130 (MULTI_ARG_4_SF2_SI_I1): Defined.
6131 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6132 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6133 __builtin_ia32_vpermil2ps256.
6134 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6135 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6136 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6137 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6138 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6139 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6140 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6141 CODE_FOR_xop_vpermil2v8sf3.
6142 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6143 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6144 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6145 (_mm256_permute2_pd): New.
6146 (_mm_permute2_ps): New.
6147 (_mm256_permute2_ps): New.
6149 2010-02-15 Nick Clifton <nickc@redhat.com>
6151 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6152 boolean parameters. Use emit_jump_insn when emitting a pop
6153 instruction containing a return insn.
6154 (push): Use 'true' rather than '1' as second parameter to F.
6155 (h8300_expand_prologue): Likewise.
6156 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6157 (h8300_expand_epilogue): Likewise.
6159 2010-02-15 Richard Guenther <rguenther@suse.de>
6162 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6165 2010-02-15 Nick Clifton <nickc@redhat.com>
6167 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6170 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6172 * intl.c (fake_ngettext): New function.
6173 * intl.h (fake_ngettext): Declare.
6174 (ngettext): Define macro.
6175 * collect2.c (notice_translated): New function.
6176 (main): Use notice_translated and ngettext.
6177 * collect2.h (notice_translated): Declare.
6179 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6181 * reorg.c (delete_computation): Comment fixes.
6182 * caller-save.c (setup_save_areas): Idem.
6183 * sel-sched-dump.c (dump_lv_set): Idem.
6186 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6188 * config/s390/s390.c (s390_sched_init): New function.
6189 (TARGET_SCHED_INIT): Target hook defined.
6191 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6192 Jack Howarth <howarth@bromo.med.uc.edu>
6193 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6196 Partial revert of unintended change in fix for PR41605.
6197 * config/darwin.h: Fix typo.
6198 * config/darwin9.h: Same.
6200 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6202 * c-pch.c (pch_init): Clear v.
6204 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6207 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6208 graphite_can_represent_init for MULT_EXPR.
6210 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6214 * graphite-sese-to-poly.c (remove_phi): New.
6215 (translate_scalar_reduction_to_array): Call remove_phi.
6217 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6220 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6221 * graphite-clast-to-gimple.h (gloog): Update declaration.
6222 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6223 * graphite-poly.h (struct poly_bb): Add missing comments.
6224 (struct scop): Add poly_scop_p field.
6226 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6227 * graphite.c (graphite_transform_loops): Build the polyhedral
6228 representation for each scop before code generation.
6229 * sese.c (rename_variables_in_operand): Removed.
6230 (rename_variables_in_expr): Return the renamed expression.
6231 (rename_sese_parameters): New.
6232 * sese.h (rename_sese_parameters): Declared.
6234 2010-02-11 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/42998
6237 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6238 POINTER_PLUS_EXPR properly.
6240 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6241 Changpeng Fang <changpeng.fang@amd.com>
6244 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6245 the cost of an IV candidate when the IV is used in a test against zero.
6247 * gcc.dg/tree-ssa/ivopts-3.c: New.
6249 2010-02-11 Richard Guenther <rguenther@suse.de>
6252 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6253 pointer-vs-decl case by swapping refs. Handle some cases
6254 of pointer-vs-decl disambiguations more conservatively.
6255 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6256 to false after expanding.
6258 2010-02-11 Richard Guenther <rguenther@suse.de>
6261 * gcc.c (process_command): Handle LTO file@offset case more
6264 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6266 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6267 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6269 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6271 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6272 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6273 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6274 Optimize eq/ne comparisons when both arguments are known to be
6276 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6277 Don't mask operands unnecessarily if they are known to be already
6280 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6282 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6285 2010-02-10 Richard Guenther <rguenther@suse.de>
6287 PR tree-optimization/43017
6288 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6289 for wrapping signed arithmetic.
6291 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6294 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6295 if no debug info should be emitted for it.
6297 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6299 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6300 note when flag_exceptions is set.
6302 2010-02-10 Duncan Sands <baldrick@free.fr>
6304 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6306 2010-02-10 Richard Guenther <rguenther@suse.de>
6309 * tree.c (get_unwidened): Handle constants.
6310 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6312 2010-02-10 Martin Jambor <mjambor@suse.cz>
6315 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6316 check for variable argument counts independently.
6318 2010-02-10 Christian Bruel <christian.bruel@st.com>
6321 * config/sh/sh.c (find_barrier): Increase length for non delayed
6322 conditional branches.
6324 2010-02-10 Christian Bruel <christian.bruel@st.com>
6326 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6328 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6330 * builtins.c (set_builtin_user_assembler_name): Also handle
6331 ffs if int is smaller than word.
6333 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6336 * ira-conflicts.c (get_dup): Remove.
6337 (process_reg_shuffles): Add new parameter. Use it as an
6338 additional guard for copy generation.
6339 (add_insn_allocno_copies): Rewrite.
6341 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6343 * common.opt (fsched2-use-traces): Preserved for backward
6345 * doc/invoke.texi: Remove the documentation about option
6346 -fsched2-use-traces.
6347 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6348 flag_sched2_use_traces.
6349 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6350 the backward compatibility flag section.
6352 2010-02-09 Richard Guenther <rguenther@suse.de>
6354 PR tree-optimization/43008
6355 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6356 make HEAP variables initialized from global memory if they
6357 are not known builtin functions.
6358 (find_func_aliases): Adjust.
6360 2010-02-09 Richard Guenther <rguenther@suse.de>
6362 PR tree-optimization/43000
6363 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6364 arithmetic manually.
6366 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6368 PR tree-optimization/42931
6369 * tree-loop-linear.c (try_interchange_loops): Don't call
6370 double_int_mul if estimated_loop_iterations failed.
6372 2010-02-08 Martin Jambor <mjambor@suse.cz>
6375 * tree-sra.c (build_accesses_from_assign): Do not mark in
6376 should_scalarize_away_bitmap if stmt has volatile ops.
6377 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6380 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6382 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6384 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6386 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6389 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6392 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6394 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6397 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6398 to unknown_dependence.
6399 (graphite_legal_transform_dr): Handle the unknown_dependence.
6400 (graphite_carried_dependence_level_k): Same.
6402 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6404 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6406 2010-02-07 Richard Guenther <rguenther@suse.de>
6409 * expr.c (get_inner_reference): Always initialize *pbitsize.
6411 2010-02-07 Richard Guenther <rguenther@suse.de>
6414 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6415 new ARRAY_REFs on variable size element or minimal index arrays.
6417 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6418 gimple_fold_indirect_ref.
6420 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6423 * arm.c (arm_override_options): Just return if the user has specified
6424 an invalid fpu name.
6426 2010-02-03 Jason Merrill <jason@redhat.com>
6429 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6430 i386_pe_maybe_record_exported_symbol.
6432 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6435 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6436 (pa_delegitimize_address): New function.
6438 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6440 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6441 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6443 2010-02-05 Richard Guenther <rguenther@suse.de>
6446 * lto-streamer-in.c (get_resolution): Deal with references
6447 to undefined functions.
6449 2010-02-05 Richard Guenther <rguenther@suse.de>
6451 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6452 (fold_const_aggregate_ref): Likewise.
6453 (ccp_fold_stmt): Substitute loads.
6454 (maybe_fold_reference): Verify types before substituting.
6456 (fold_gimple_assign): Unshare properly.
6457 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6459 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6461 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6462 for rs6000_gen_cell_microcode.
6464 2010-02-04 Richard Guenther <rguenther@suse.de>
6466 PR rtl-optimization/42952
6467 * dse.c (const_or_frame_p): Remove MEM handling.
6469 2010-02-04 Nick Clifton <nickc@redhat.com>
6471 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6472 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6473 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6474 (mn10300_asm_output_mi_thunk): New function.
6475 (mn10300_can_output_mu_thunk): New function.
6476 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6477 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6478 (FUNCTION_ARG): Delete incorrect comment.
6480 2010-02-03 Jason Merrill <jason@redhat.com>
6483 * fold-const.c (operand_equal_p): Handle erroneous types.
6485 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6487 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6489 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6491 PR rtl-optimization/42941
6492 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6495 2010-02-03 Jason Merrill <jason@redhat.com>
6498 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6500 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6503 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6504 (cselib_reset_table): Renamed from...
6505 (cselib_reset_table_with_next_value): ... this.
6506 (cselib_get_next_uid): Renamed from...
6507 (cselib_get_next_unknown_value): ... this.
6508 * cselib.c (next_uid): Renamed from...
6509 (next_unknown_value): ... this.
6510 (cselib_clear_table): Adjust.
6511 (cselib_reset_table): Adjust. Renamed from...
6512 (cselib_reset_table_with_next_value): ... this.
6513 (cselib_get_next_uid): Adjust. Renamed from...
6514 (cselib_get_next_unknown_value): ... this.
6515 (get_value_hash): Use hash.
6516 (cselib_hash_rtx): Likewise.
6517 (new_cselib_val): Adjust. Set and dump uid.
6518 (cselib_lookup_mem): Pass next_uid as hash.
6519 (cselib_subst_to_values): Likewise.
6520 (cselib_log_lookup): Dump uid.
6521 (cselib_lookup): Pass next_uid as hash. Adjust.
6522 (cselib_process_insn): Adjust.
6523 (cselib_init): Initialize next_uid.
6524 (cselib_finish): Adjust.
6525 (dump_cselib_table): Likewise.
6526 * dse.c (canon_address): Dump value uid.
6527 * print-rtl.c (print_rtx): Print value uid.
6528 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6530 (dv_uid): New function, sort of renamed from...
6531 (dv_htab_hash): ... this, reimplemented in terms of it and...
6532 (dv_uid2hash): ... this. New.
6533 (variable_htab_eq): Drop excess assertions.
6534 (tie_break_pointers): Removed.
6535 (canon_value_cmp): Compare uids.
6536 (variable_post_merge_New_vals): Print uids.
6537 (vt_add_function_parameters): Adjust.
6538 (vt_initialize): Reset table. Adjust.
6540 2010-02-03 Richard Guenther <rguenther@suse.de>
6542 PR tree-optimization/42944
6543 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6544 (call_may_clobber_ref_p_1): Likewise. Properly handle
6545 malloc and calloc clobbering errno.
6547 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6549 * doc/invoke.texi: Fix name of sched1 dump.
6551 * opts.c (decode_options): Set flag_tree_switch_conversion
6552 only conditionally on optimize >= 2.
6554 * gcse.c: Assorted comment fixes in pass description.
6556 2010-02-03 Anthony Green <green@moxielogic.com>
6558 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6559 nop padding in order to maintain alignment of storage location of
6560 target function address.
6561 (moxie_trampoline_init): Store target function address at newly
6563 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6565 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6567 2010-02-03 Richard Guenther <rguenther@suse.de>
6570 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6572 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6574 * config.gcc: Reenable check for obsolete targets.
6575 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6576 mips-sgi-irix6.[0-4]*.
6578 2010-02-02 Nick Clifton <nickc@redhat.com>
6580 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6581 constant size of 4 as being the same as 0.
6582 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6583 can take values in the range 0..4.
6585 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6588 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6589 as _darwin10_Unwind_FindEnclosingFunction().
6590 * libgcc-libsystem.ver: New.
6592 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6595 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6596 implicitly set registers.
6598 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6600 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6601 (arm_override_options): Allow automatic selection of the thread
6602 pointer register if thumb2.
6603 (legitimize_pic_address): Improve code sequences for Thumb2.
6604 (arm_call_tls_get_addr): Likewise.
6605 (legitimize_tls_address): Likewise.
6606 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6607 (pic_load_addr_32bit): ... this. New named pattern.
6608 * thumb2.md (pic_load_addr_thumb2): Delete.
6609 (pic_load_dot_plus_four): Delete.
6610 (tls_load_dot_plus_four): New named pattern.
6612 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6615 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6616 Document fix for TLS bug.
6618 2010-01-31 Richard Guenther <rguenther@suse.de>
6620 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6621 conservatively correct.
6623 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6627 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6629 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6631 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6633 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6635 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6637 * config.gcc: Adjust order of makefile fragments for mingw targets.
6639 2010-01-31 Richard Guenther <rguenther@suse.de>
6642 * gimplify.c (gimplify_init_constructor): For volatile LHS
6643 initialize a temporary.
6645 2010-01-31 Matthias Klose <doko@ubuntu.com>
6647 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6649 * configure: Regenerate.
6651 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6653 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6654 the same alias set and their sizes different constantness.
6655 (aliasing_component_refs_p): Revert 2009-10-24 change.
6657 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6659 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6662 2010-01-29 Richard Guenther <rguenther@suse.de>
6664 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6665 Assert we successfully updated the call.
6667 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6669 PR rtl-optimization/42889
6670 * df.h (df_set_bb_dirty_nonlr): New prototype.
6671 * df-core.c (df_set_bb_dirty_nonlr): New function.
6672 * df-scan.c (df_insn_rescan): Call it instead of
6673 df_set_bb_dirty for DEBUG_INSNs.
6675 2010-01-29 Richard Guenther <rguenther@suse.de>
6678 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6679 quadratic behavior in most cases.
6681 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6684 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6685 in the call to gen_x86_movsicc_0_m1.
6687 2010-01-28 Richard Guenther <rguenther@suse.de>
6689 PR tree-optimization/42871
6690 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6692 2010-01-28 Richard Guenther <rguenther@suse.de>
6694 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6695 into call arguments.
6697 2010-01-28 Richard Guenther <rguenther@suse.de>
6700 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6701 the forwarder if the destination is an EH landing pad.
6703 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6705 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6706 block list passed to gimple_duplicate_sese_tail.
6707 (parallelize_loops): Avoid parallelization when the function
6709 Avoid parallelization when the preheader is IRREDUCIBLE.
6710 Try to optimize when estimated_loop_iterations_int is unresolved.
6711 Add the loop's location to the dump file.
6712 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6713 (gimple_duplicate_sese_tail): Remove the check for the latch.
6714 Redirect nexits to the exit block.
6715 Remove handling of the incoming edges to the latch.
6716 Redirect the backedge from the copied latch to the exit bb.
6718 2010-01-28 Michael Matz <matz@suse.de>
6721 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6722 Wrap force_reg into a sequence, emit it before user.
6724 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6726 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6728 (arm_legacy_rev): Likewise.
6729 (thumb_legacy_rev): Likewise.
6731 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6733 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6734 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6735 on MEM's address failed, try avoid_constant_pool_reference and
6736 recurse if it returned something different.
6737 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6738 address, try avoid_constant_pool_reference and recurse if it
6739 returned something different.
6740 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6741 address and avoid_constant_pool_reference returned something
6742 different, don't set have_address.
6744 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6747 * var-tracking.c (val_store): Add modified argument, obey it.
6749 (count_uses): Move down logging of main.
6750 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6751 don't need resolution.
6752 (emit_notes_in_bb): Likewise.
6754 2010-01-27 Richard Guenther <rguenther@suse.de>
6757 * tree-inline.c (remap_decl): Delay remapping of SSA name
6758 default definitions until we need them.
6760 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6762 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6763 (rs6000_delegitimize_address): New function.
6765 * config/s390/s390.c (s390_delegitimize_address): Call
6766 delegitimize_mem_from_attrs.
6769 * tree-inline.c (cannot_copy_type_1): Removed.
6770 (copy_forbidden): Don't forbid copying of functions containing
6771 records/unions with variable length fields.
6773 2010-01-27 Christian Bruel <christian.bruel@st.com>
6777 * config/sh/sh.c (find_barrier): Increase length for non delayed
6778 conditional branches.
6780 2010-01-27 Matthias Klose <doko@ubuntu.com>
6782 * configure.ac (gnu-unique-object): Fix ldd version check.
6783 * configure: Regenerate.
6785 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6787 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6789 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6790 Test for HAVE_GNU_AS value.
6792 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6794 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6795 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6796 INT64_TYPE): Define.
6797 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6798 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6799 INT_LEAST64_TYPE): Define.
6800 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6801 UINT_LEAST64_TYPE): Define.
6802 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6803 INT_FAST64_TYPE): Define.
6804 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6805 UINT_FAST64_TYPE): Define.
6806 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6807 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6808 (SIG_ATOMIC_TYPE): Define.
6810 2010-01-26 Richard Guenther <rguenther@suse.de>
6812 * df-scan.c (df_scan_set_bb_info): Remove assert.
6813 (df_insn_rescan_debug_internal): Merge asserts.
6814 (df_install_ref): Likewise.
6815 (df_mark_reg): Use bitmap_set_range.
6816 (df_hard_reg_used_p): Remove assert.
6817 (df_hard_reg_used_count): Likewise.
6819 2010-01-26 Richard Guenther <rguenther@suse.de>
6821 PR rtl-optimization/42685
6822 * web.c (web_main): Ignore DEBUG_INSNs.
6824 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6826 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6828 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6829 Fix types of fndecl and arglist parameters.
6831 2010-01-26 Richard Guenther <rguenther@suse.de>
6834 * tree-eh.c (unsplit_eh): Skip debug insns.
6836 2010-01-26 Richard Guenther <rguenther@suse.de>
6838 PR tree-optimization/42250
6839 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6841 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6844 * omp-low.c (expand_omp_sections): Only use single_pred if
6845 l2_bb is single_pred_p.
6847 2010-01-25 Christian Bruel <christian.bruel@st.com>
6850 * config/sh/sh.c (find_barrier): Increase length for non delayed
6851 conditional branches.
6852 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6854 2010-01-24 David S. Miller <davem@davemloft.net>
6856 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6857 define if not using GAS.
6858 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6859 Likewise. Delete SECTION_MERGE code, which is only applicable
6862 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6865 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6866 mangling of va_list in system headers.
6868 2010-01-23 Toon Moene <toon@moene.org>
6870 * tree-predcom.c (combine_chains): Return NULL, not false.
6872 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6874 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6875 initialization of variable res to agree with return type.
6877 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6879 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6880 * tree-sra.c: Add include of expr.h.
6882 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6884 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6885 insert the debug stmt on the single non-EH edge from the stmt.
6887 2010-01-22 Richard Henderson <rth@redhat.com>
6890 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6891 the RHS until after generate_subtree_copies has insertted its
6892 code before the current statement.
6894 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6896 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6898 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6900 2010-01-21 Martin Jambor <mjambor@suse.cz>
6902 PR tree-optimization/42585
6903 * tree-sra.c (struct access): New field grp_total_scalarization.
6904 (dump_access): Dump the new field.
6905 (should_scalarize_away_bitmap): New variable.
6906 (cannot_scalarize_away_bitmap): Likewise.
6907 (sra_initialize): Allocate new bitmaps.
6908 (sra_deinitialize): Free new bitmaps.
6909 (create_access_1): New function.
6910 (create_access): Parts moved to create_access_1.
6911 (type_consists_of_records_p): New function.
6912 (completely_scalarize_record): Likewise.
6913 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6914 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6915 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6917 (analyze_all_variable_accesses): Completely scalarize small eligible
6920 2010-01-21 Martin Jambor <mjambor@suse.cz>
6922 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6924 2010-01-21 Andrew Haley <aph@redhat.com>
6926 * gcc.c (process_command): Move lang_specific_driver before
6927 setting cc_libexec_prefix.
6929 2010-01-21 Richard Guenther <rguenther@suse.de>
6932 * fold-const.c (negate_expr_p): Pretend only negative
6933 real constants are easily negatable.
6935 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6936 Jason Merrill <jason@redhat.com>
6938 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6939 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6940 * calls.c (initialize argument_information): Handle it.
6941 * c-common.c (handle_transparent_union_attribute): Use new name.
6942 * c-decl.c (finish_struct): Ditto.
6943 * c-typeck.c (type_lists_compatible_p): Ditto.
6944 (convert_for_assignment): Use new name and also handle record.
6945 * function.c (aggregate_value_p): Handle it.
6946 (pass_by_reference): Ditto.
6947 (assign_parm_data_types): Ditto.
6948 * print-tree.c (print_node): Ditto.
6949 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6950 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6951 * tree.c (first_field): New fn.
6953 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6956 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6957 even when linking statically, for now.
6959 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6962 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6963 without a cselib val.
6964 (count_uses): Accept MO_VAL_SET with no val on stores.
6965 (add_stores): Likewise.
6967 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6969 * var-tracking.c (check_value_val): Add a compile time assertion.
6970 (dv_is_decl_p): Simplify.
6971 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6972 gcc_assert if ENABLE_CHECKING.
6974 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6977 * var-tracking.c: Include tree-flow.h.
6978 (mem_dies_at_call): New.
6979 (dataflow_set_preserve_mem_locs): Use it.
6980 (dataflow_set_remove_mem_locs): Likewise.
6981 (dump_var): Renamed from dump_variable. Adjust all callers.
6982 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6983 * Makefile.in (var-tracking.o): Adjust deps.
6985 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6987 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6989 2010-01-20 Richard Guenther <rguenther@suse.de>
6991 PR tree-optimization/42717
6992 * tree-ssa-dce.c (get_live_post_dom): Remove.
6993 (forward_edge_to_pdom): Take an arbitrary edge to copy
6994 degenerate PHI args from.
6995 (remove_dead_stmt): Use the first post-dominator even if it
6996 does not contain live statements as redirection destination.
6998 2010-01-20 Richard Guenther <rguenther@suse.de>
7000 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7002 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7004 * sel-sched.c (create_speculation_check): Remove set but not used
7006 (try_transformation_cache): Remove set but not used variable ds.
7007 (calculate_privileged_insns): Remove set but not used variables
7008 cur_insn and min_spec_insn.
7009 (find_best_expr): Remove set but not used variable avail_n.
7010 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7012 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7014 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7015 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7018 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7021 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7022 cpu types. Add support for *-sse3 cpu types.
7023 (x86_64-*-*): Ditto.
7025 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7028 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7029 argument, call initializer_constant_valid_p_1 instead of
7030 initializer_constant_valid_p, pass CACHE to it, return NULL
7031 immediately if first call returns NULL.
7032 (initializer_constant_valid_p_1): New function.
7033 (initializer_constant_valid_p): Use it.
7035 2010-01-20 Thomas Quinot <quinot@adacore.com>
7037 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7039 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7041 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7042 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7043 (loc_list_from_tree): Don't handle unsigned division. Handle
7044 signed modulo using DW_OP_{over,over,div,mul,minus}.
7045 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7046 modulo instead of signed.
7048 2010-01-20 DJ Delorie <dj@redhat.com>
7050 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7052 (h8300_emit_stack_adjustment): Propogate it.
7054 (h8300_expand_prologue): Likewise.
7055 (h8300_expand_epilogue): Likewise.
7057 2010-01-19 Michael Matz <matz@suse.de>
7059 PR tree-optimization/41783
7060 * tree-data-ref.c (toplevel): Include flags.h.
7061 (dump_data_dependence_relation): Also dump the inputs if the
7062 result will be unknown.
7063 (split_constant_offset_1): Look through some conversions.
7064 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7065 the offset from last element is too large.
7066 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7067 (reassociate_to_the_same_stmt): Handle vector registers.
7068 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7070 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7071 wide_prolog_niters argument, emit widening instructions.
7072 (vect_do_peeling_for_alignment): Adjust caller, use widened
7073 variant of the iteration cound.
7074 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7076 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7079 * config/arm/neon-testgen.m (emit_automatics): New parameter
7080 features. Adjust for Fixed_return_reg feature.
7081 (test_intrinsic): Call emit_automatics with new feature.
7082 * config/arm/neon.ml: Update copyright years.
7083 (features): New Fixed_return_reg feature.
7084 (ops): Update feature for Vget_low.
7086 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7088 PR tree-optimization/42719
7089 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7093 * fwprop.c (all_uses_available_at): Return false if def_set dest
7094 is a REG that is used in def_insn.
7096 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7098 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7100 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7103 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7105 * target.h (struct gcc_target) <secondary_reload>: Change type
7106 of last argument to secondary_reload_info *.
7108 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7111 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7112 memory references with unaligned offsets. Remove CQImode handling.
7113 (unaligned_memory_operand): Return 1 for memory references with
7114 unaligned offsets. Remove CQImode handling.
7116 2010-01-18 Richard Guenther <rguenther@suse.de>
7119 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7122 2010-01-18 Richard Guenther <rguenther@suse.de>
7124 PR tree-optimization/42781
7125 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7126 restrict processing only if the original variable was artificial.
7128 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7130 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7131 find number of popped argument bytes.
7133 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7134 Fix the text that describes the return value for invalid insns.
7136 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7138 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7139 Clarify what 'cost of the -dependence' is. Fix quoting.
7141 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7142 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7144 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7146 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7147 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7149 2010-01-17 Richard Guenther <rguenther@suse.de>
7152 * function.c (split_complex_args): Take a VEC to modify.
7153 (assign_parms_augmented_arg_list): Build a VEC instead of
7154 a chain of PARM_DECLs.
7155 (assign_parms_unsplit_complex): Take a VEC of arguments.
7156 Do not fixup unmodified parms.
7157 (assign_parms): Deal with the VEC.
7158 (gimplify_parameters): Likewise.
7160 2010-01-17 Richard Guenther <rguenther@suse.de>
7162 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7163 node existence check.
7164 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7165 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7166 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7167 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7168 (gimple_execute_on_growing_pred): Likewise.
7170 2010-01-17 Richard Guenther <rguenther@suse.de>
7172 PR tree-optimization/42773
7173 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7174 (compute_antic_aux): Likewise.
7175 (compute_partial_antic_aux): Likewise.
7177 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7180 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7183 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7185 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7188 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7189 Fix markup for strict argument.
7191 (TARGET_SCHED_REORDER2): Fix argument types.
7193 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7194 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7196 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7197 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7199 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7202 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7203 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7204 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7205 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7206 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7208 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7210 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7212 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7213 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7215 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7217 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7220 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7222 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7223 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7225 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7227 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7229 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7230 referring to it. Fix language.
7232 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7234 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7236 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7238 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7240 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7241 '@var{stream}. Remove stray 'and'.
7243 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7245 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7247 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7249 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7250 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7252 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7253 Fix description of return value.
7254 Rename argument "sz" to "len."
7256 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7257 Clarify meaning of 'true' return value.
7259 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7261 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7262 rep_mode versus mode_rep.
7264 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7266 (TARGET_BUILTIN_DECL): Fix name.
7268 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7270 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7272 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7274 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7276 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7278 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7281 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7282 Rename argument tm_fn to md_fn.
7284 (TARGET_OPTION_PRINT): Fix argument list.
7286 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7289 * config/i386/i386.c (ix86_fixup_binary_operands):
7290 Revert FMA4 fixup of operands.
7292 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7295 * Makefile.in (write_entries_to_file, install-plugin):
7296 Use \012 instead of \n with tr.
7298 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7300 * configure.ac (HAVE_AS_REF): New C macro.
7301 * configure: Regenerate.
7302 * config.in: Likewise.
7303 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7305 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7308 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7310 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7312 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7314 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7316 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7318 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7320 (TARGET_BINDS_LOCAL_P): Fix argument type.
7322 (TARGET_ASM_FILE_END): Use prototype.
7324 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7326 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7328 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7330 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7332 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7333 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7335 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7336 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7338 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7339 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7340 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7341 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7343 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7345 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7347 (TARGET_INIT_BUILTINS): Use prototype.
7349 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7350 Put 'const char *' in braces. Fix parameter types.
7351 (TARGET_INVALID_CONVERSION): Fix parameter types.
7352 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7353 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7355 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7358 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7360 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7362 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7364 * doc/tm.texi (TARGET_HELP): Fix return type.
7366 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7367 in braces. Fix argument types.
7369 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7371 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7373 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7375 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7376 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7378 (TARGET_MANGLE_TYPE): Fix argument types.
7380 (TARGET_IRA_COVER_CLASSES): Use prototype.
7382 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7384 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7386 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7388 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7390 (TARGET_CALLEE_COPIES): Fix argument types.
7392 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7394 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7396 (TARGET_FUNCTION_VALUE): Fix argument types.
7398 (TARGET_RETURN_IN_MSB): Fix argument type.
7400 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7402 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7404 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7406 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7407 agree with return type.
7409 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7411 2010-01-15 Jing Yu <jingyu@google.com>
7413 PR rtl-optimization/42691
7414 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7415 a pseudo to a constant and are merged, and adjust comments.
7417 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7419 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7421 2010-01-15 Richard Guenther <rguenther@suse.de>
7424 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7425 labels of computed or non-local gotos to the destination.
7426 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7427 landing pad label is the first label.
7429 2010-01-15 Richard Guenther <rguenther@suse.de>
7431 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7433 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7436 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7437 to allow generation of the xssqrtdp instruction on power7.
7438 (sqrtdf2_fpr): Ditto.
7440 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7443 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7444 functions with noreturn attribute.
7447 * varasm.c (declare_weak): Add weak attribute to decl if it
7448 doesn't have one already.
7449 (assemble_external): Only add decls to weak_decls if they also
7450 have weak attribute.
7452 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7454 * var-tracking.c (var_reg_delete): Don't delete the association
7455 between REGs and values or one-part variables if the register
7458 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7461 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7462 because its first operand is a non-localized variable.
7464 2010-01-14 Martin Jambor <mjambor@suse.cz>
7466 PR tree-optimization/42706
7467 * tree-sra.c (encountered_recursive_call): New variable.
7468 (encountered_unchangable_recursive_call): Likewise.
7469 (sra_initialize): Initialize both new variables.
7470 (callsite_has_enough_arguments_p): New function.
7471 (scan_function): Call decl and flags check only for IPA-SRA, check
7472 whether there is a recursive call and whether it has enough arguments.
7473 (all_callers_have_enough_arguments_p): New function.
7474 (convert_callers): Look for recursive calls only when
7475 encountered_recursive_call is set.
7476 (ipa_early_sra): Bail out either if
7477 !all_callers_have_enough_arguments_p or
7478 encountered_unchangable_recursive_call.
7480 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7482 * sel-sched.c: Add 2010 to copyright years.
7483 * sel-sched-ir.c: Likewise.
7484 * sel-sched-ir.h: Likewise.
7486 2010-01-14 Martin Jambor <mjambor@suse.cz>
7488 PR tree-optimization/42714
7489 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7490 constructors specially.
7492 2010-01-14 Andi Kleen <ak@linux.intel.com>
7494 * config/i386/drivers-i386.c (detect_caches_intel):
7495 Add l2sizekb parameter and fill in.
7496 (host_detect_local_cpu): Add l2sizekb, fill in.
7497 Add Atom small cache heuristic.
7499 2010-01-14 Andi Kleen <ak@linux.intel.com>
7501 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7502 Add level3 parameter and fill in.
7503 (detect_caches_intel): Handle level3 cache.
7505 2010-01-14 Andi Kleen <ak@linux.intel.com>
7507 * config/i386/drivers-i386.c (host_detect_local_cpu):
7508 Fix core duo detection.
7510 2010-01-14 Andi Kleen <ak@linux.intel.com>
7512 * config/i386/drivers-i386.c (host_detect_local_cpu):
7515 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7517 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7518 (rs6000_variable_issue_1): this. Use...
7519 (rs6000_variable_issue): here. Reimplement. Print debug info.
7521 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7523 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7524 sel_restore_notes. Update all callers. Call reemit_notes
7527 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7529 PR rtl-optimization/42246
7530 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7533 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7535 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7536 all successors is the same as number of successors in current region.
7538 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7540 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7541 to rename is not separable. Otherwise check that its LHS is not NULL.
7543 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7545 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7547 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7549 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7550 available registers when failed to discover LHS register class.
7551 Fix indentation. Update comment.
7553 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7554 Alexander Monakov <amonakov@ispras.ru>
7556 PR rtl-optimization/42389
7557 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7559 (advance_state_on_fence): Likewise.
7560 (sel_target_adjust_priority): Print debug output only when
7561 sched_verbose >= 4, not 2.
7562 (get_expr_cost): Do not issue all unique insns on the next cycle.
7563 (fill_insns): Initialize can_issue_more from the value saved
7565 * sel-sched-ir.c (flist_add): New parameter issue_more.
7566 Init FENCE_ISSUE_MORE with it.
7567 (merge_fences): Likewise.
7568 (init_fences): Update call to flist_add.
7569 (add_to_fences, add_clean_fence_to_fences)
7570 (add_dirty_fence_to_fences): Likewise.
7571 (move_fence_to_fences): Update call to merge_fences.
7572 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7574 * sel-sched-ir.h (struct _fence): New field issue_more.
7575 (FENCE_ISSUE_MORE): New accessor macro.
7577 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7579 PR rtl-optimization/42388
7580 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7581 that have no predecessors nor successors. Do not call move_bb_info
7582 for empty blocks outside of current region.
7584 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7586 PR rtl-optimization/42294
7587 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7588 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7589 originators' originators.
7591 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7593 PR rtl-optimization/39453
7594 PR rtl-optimization/42246
7595 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7597 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7599 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7600 Alexander Monakov <amonakov@ispras.ru>
7603 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7604 (maybe_tidy_empty_bb): ... here. Make static. Add new
7605 argument. Update all callers.
7606 (tidy_control_flow): ... and here. Recompute topological order
7607 of basic blocks in region if necessary.
7608 (sel_redirect_edge_and_branch): Change return type. Return true
7609 if topological order might have been invalidated.
7610 (purge_empty_blocks): Export and move from...
7611 * sel-sched.c (purge_empty_blocks): ... here.
7612 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7613 (maybe_tidy_empty_bb): Delete prototype.
7614 (purge_empty_blocks): Declare.
7616 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7618 PR rtl-optimization/42249
7619 * sel-sched.c (try_replace_dest_reg): When chosen register
7620 and original register is the same, do not bail out early, but
7621 still check all original insns for validity of replacing destination
7622 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7625 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7628 Port from no-undefined-overflow branch:
7629 2009-03-09 Richard Guenther <rguenther@suse.de>
7631 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7633 2010-01-14 Richard Guenther <rguenther@suse.de>
7636 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7638 2010-01-14 Ira Rosen <irar@il.ibm.com>
7640 PR tree-optimization/42709
7641 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7642 as scalar type in creation of constant vector operand.
7644 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7647 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7648 (check-parallel-%): Match `testsuite' directory component only
7651 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7653 PR translation/39521
7654 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7657 2010-01-13 Richard Guenther <rguenther@suse.de>
7659 PR tree-optimization/42730
7660 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7663 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7666 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7667 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7670 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7672 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7673 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7674 ___umulsi3_highpart.
7676 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7677 rather than schedule_insns if the pass is enabled.
7679 2010-01-13 Martin Jambor <mjambor@suse.cz>
7681 PR tree-optimization/42704
7682 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7685 2010-01-13 Martin Jambor <mjambor@suse.cz>
7687 PR tree-optimization/42703
7688 * tree-sra.c (analyze_access_subtree): Check that we can build a
7689 reference to the original data within the aggregate.
7691 2010-01-13 Richard Guenther <rguenther@suse.de>
7693 PR tree-optimization/42705
7694 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7696 2010-01-13 Richard Guenther <rguenther@suse.de>
7699 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7701 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7704 * var-tracking.c (values_to_unmark): New variable.
7705 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7706 values_to_unmark vector. Moved body to...
7707 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7708 instead queue it into values_to_unmark vector.
7709 (vt_find_locations): Free values_to_unmark vector.
7711 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7713 * config/s390/s390.c (override_options): Set
7714 default of max-pending-list-length to 256
7716 2010-01-13 Richard Guenther <rguenther@suse.de>
7719 * tree-pass.h (PROP_gimple_lcx): New.
7720 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7721 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7722 before the final cleanup_eh.
7723 (dump_properties): Dump PROP_gimple_lcx.
7724 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7725 (tree_lower_complex_O0): Remove.
7726 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7727 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7728 tree_lower_complex, schedule TODO_update_ssa.
7729 * lto-streamer-out.c (output_function): Stream the functions
7731 * lto-streamer-in.c (input_function): Likewise.
7732 (lto_read_body): Do not override them here.
7734 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7737 * c-typeck.c (build_c_cast): Fold value cast to union type before
7738 wrapping it in a CONSTRUCTOR.
7740 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7742 PR rtl-optimization/42699
7743 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7746 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7748 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7749 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7750 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7751 SUBTARGET_WARN_UNUSED_SPEC): ... here
7752 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7754 2010-01-12 Julian Brown <julian@codesourcery.com>
7756 * config/arm/neon-schedgen.ml (Utils): Don't try to
7757 open missing module.
7758 (find_with_result): New.
7760 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7763 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7764 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7766 PR tree-optimization/42645
7767 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7768 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7769 decl_map, set processing_debug_stmt to -1 and return name without
7772 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7774 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7775 binutils version, and reword target configuration description.
7777 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7779 * config/avr/avr.h (LINKER_NAME): Remove.
7781 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7784 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7785 that support VSX, warn for -mno-altivec if vsx is not disabled,
7788 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7789 Shujing Zhao <pearly.zhao@oracle.com>
7791 PR translation/42469
7792 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7793 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7794 character between option name and help text.
7795 * c.opt (imultilib): Likewise.
7797 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7799 * lto-streamer-out.c (output_unreferenced_globals): Output static
7802 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7804 PR rtl-optimization/42621
7805 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7806 optimizing for size.
7807 (duplicate_computed_gotos): Remove now-redundant check.
7809 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7812 * configure.ac: Save and restore LDFLAGS and LIBS
7813 * configure: Regenerate.
7815 2010-01-10 Richard Guenther <rguenther@suse.de>
7818 * builtins.c (fold_builtin_strlen): Add type argument and
7819 convert the resulting length to it.
7820 (fold_builtin_1): Adjust.
7822 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7824 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7825 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7827 (num_insns_constant_wide): Adjust for that change.
7829 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7832 * web.c (union_defs): Add used argument, to combine uses of
7834 (entry_register): Adjust type and tests of used argument.
7835 (web_main): Widen used for new use. Pass it to union_defs.
7836 * df.h (union_defs): Adjust prototype.
7838 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7841 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7842 uses in new incoming argument. Free body.
7843 (reset_debug_uses_in_loop): New.
7844 (analyze_insn_to_expand_var): Call the latter if the former found
7845 anything. Fix whitespace. Reject invalid dest overlaps before
7846 going through all insns in the loop.
7848 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7851 * haifa-sched.c (dying_use_p): Debug insns don't count.
7853 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7856 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7857 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7858 (verify_gimple_call): Reject LHS in noreturn calls.
7860 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7864 * tree-vect-loop-manip.c (adjust_info): New type.
7865 (adjust_vec): New pointer to vector.
7866 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7867 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7868 (slpeel_update_phis_for_duplicate_loop): Use them.
7869 (slpeel_update_phi_nodes_for_guard1): Likewise.
7870 (slpeel_update_phi_nodes_for_guard2): Likewise.
7871 (slpeel_tree_peel_loop_to_edge): Likewise.
7872 (vect_update_ivs_after_vectorizer): Likewise.
7874 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7876 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7877 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7879 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7881 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7882 bogus uninitialized warning.
7884 2010-01-09 Richard Guenther <rguenther@suse.de>
7887 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7888 the evolution is compatible with the initial condition.
7890 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7892 * gcc.c (process_command): Update copyright notice dates.
7893 * gcov.c (print_version): Likewise.
7894 * gcov-dump.c (print_version): Likewise.
7895 * mips-tfile.c (main): Likewise.
7896 * mips-tdump.c (main): Likewise.
7898 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7901 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7903 (rotlhi3_8): Delete.
7905 (rotlsi3_8): Delete.
7906 (rotlsi3_16): Delete.
7907 (rotlsi3_24): Delete.
7909 (*rotw<mode>3): New.
7910 (*rotb<mode>3): New.
7911 * config/avr/avr.c (avr_rotate_bytes): New function.
7912 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7914 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7917 * configure.ac: Modify -rdynamic check.
7918 * configure: Regenerate.
7920 2010-01-08 DJ Delorie <dj@redhat.com>
7922 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7923 register popping order.
7925 2010-01-08 Richard Guenther <rguenther@suse.de>
7928 * c.opt (fsigned-char): Also let LTO handle this option.
7929 (funsigned-char): Likewise.
7931 2010-01-07 Richard Guenther <rguenther@suse.de>
7933 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7934 (gimple_op): Likewise.
7935 (gimple_op_ptr): Likewise.
7936 (gimple_assign_set_lhs): Remove gcc_assert.
7937 (gimple_assign_set_rhs1): Likewise.
7938 (gimple_assign_set_rhs2): Likewise.
7939 (gimple_call_set_lhs): Likewise.
7940 (gimple_call_set_fn): Likewise.
7941 (gimple_call_set_fndecl): Likewise.
7942 (gimple_call_fndecl): Likewise.
7943 (gimple_call_return_type): Likewise.
7944 (gimple_call_set_chain): Likewise.
7945 (gimple_call_num_args): Likewise.
7946 (gimple_call_set_arg): Likewise.
7947 (gimple_cond_set_code): Likewise.
7948 (gimple_cond_set_lhs): Likewise.
7949 (gimple_cond_set_rhs): Likewise.
7950 (gimple_cond_set_true_label): Likewise.
7951 (gimple_cond_set_false_label): Likewise.
7952 (gimple_label_set_label): Likewise.
7953 (gimple_goto_set_dest): Likewise.
7954 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7955 (gimple_debug_bind_get_value): Likewise.
7956 (gimple_debug_bind_get_value_ptr): Likewise.
7957 (gimple_debug_bind_set_var): Likewise.
7958 (gimple_debug_bind_set_value): Likewise.
7959 (gimple_debug_bind_reset_value): Likewise.
7960 (gimple_debug_bind_has_value_p): Likewise.
7961 (gimple_return_retval_ptr): Remove gcc_assert.
7962 (gimple_return_retval): Likewise.
7963 (gimple_return_set_retval): Likewise.
7964 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7965 (safe_referenced_var_iterator): Remove.
7966 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7967 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7968 (fill_referenced_var_vec): Remove.
7969 (first_readonly_imm_use): Remove redundant gcc_assert.
7970 (phi_arg_index_from_use): Combine gcc_asserts.
7971 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7972 (first_imm_use_stmt): Remove redundant gcc_assert.
7973 * tree-cfg.c (verify_gimple_call): Verify function and chain
7974 operands. Verify arguments.
7975 (verify_types_in_gimple_stmt): Verify condition code and labels.
7977 2010-01-07 Richard Guenther <rguenther@suse.de>
7979 PR tree-optimization/42641
7980 * sese.c (rename_map_elt_info): Use the SSA name version, do
7983 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7985 PR tree-optimization/42625
7986 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7987 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7989 2010-01-07 Duncan Sands <baldrick@free.fr>
7991 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7993 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7996 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7997 note itself is not function_invariant_p.
7999 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8001 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8002 Do not add the DF_NOTE problem.
8003 * store-motion.c (execute_rtl_store_motion): Likewise.
8005 2010-01-07 Martin Jambor <mjambor@suse.cz>
8007 PR tree-optimization/42157
8008 * tree-sra.c (compare_access_positions): Stabilize sort if both
8009 accesses have integer types, return zero immediately if they are the
8012 2010-01-06 Richard Henderson <rth@redhat.com>
8015 * haifa-sched.c (add_to_note_list): Merge into ...
8016 (concat_note_lists): ... here, and ...
8017 (unlink_other_notes, rm_other_notes): Merge into...
8018 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8019 NOTE_INSN_EPILOGUE_BEG.
8021 2010-01-06 Richard Guenther <rguenther@suse.de>
8023 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8024 not inline regular functions into always-inline functions.
8026 2010-01-06 Nick Clifton <nickc@redhat.com>
8028 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8029 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8031 (OVERRIDE_OPTIONS): Delete.
8032 (OPTIMIZATION_OPTIONS): Define.
8033 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8034 * config/rx/rx.c (rx_handle_option): Issue an error message if
8035 -mcpu=rx200 and -fpu are used together.
8036 (rx_set_optimization_options): New function. Issue an error
8037 message if an optimization attribute attempts to reset the FPU/
8038 math optimization pairing.
8039 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8040 * config/rx/rx.opt: Set the default to 32-bit doubles.
8041 * config/rx/t-rx: Add multilibs for -nofpu option.
8042 * doc/invoke.texi: Update documentation of RX options.
8044 2010-01-06 Richard Guenther <rguenther@suse.de>
8046 * tree-ssa-pre.c (name_to_id): New global.
8047 (alloc_expression_id): Simplify SSA name handling.
8048 (lookup_expression_id): Likewise.
8049 (init_pre): Zero name_to_id.
8050 (fini_pre): Free it.
8052 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8054 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8056 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8059 * config/i386/sse.md (smaxv2di3): New.
8060 (umaxv2di3): Likewise.
8061 (sminv2di3): Likewise.
8062 (uminv2di3): Likewise.
8064 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8067 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8068 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8069 (legitimize_tls_address): Likewise.
8070 (sparc_tls_referenced_p): Likewise.
8071 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8072 and adjust calls to legitimize_pic_address.
8073 (legitimate_constant_p) Use sparc_tls_referenced_p.
8074 (legitimate_pic_operand_p): Likewise.
8075 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8076 (sparc_tls_symbol_ref_1): Delete.
8077 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8078 (legitimize_tls_address): Make static, handle CONST patterns.
8079 (legitimize_pic_address): Make static, remove unused parameter and
8080 adjust recursive calls.
8081 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8082 and adjust call to legitimize_pic_address.
8083 (sparc_output_mi_thunk): Likewise.
8085 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8086 H.J. Lu <hongjiu.lu@intel.com>
8089 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8090 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8091 operands to make them signed.
8094 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8097 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8098 GTU to GT for V4SI and V2DI.
8100 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8101 (umin<mode>3): Removed.
8103 (uminv4si3): Likewise.
8105 2010-01-05 Martin Jambor <mjambor@suse.cz>
8107 PR tree-optimization/42462
8108 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8109 current_function_decl to helper functions and macros.
8111 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8114 * flags.h: Don't include real.h.
8115 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8116 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8117 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8118 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8119 * dominance.c: Update copyright.
8120 * gimple.c (walk_gimple_op): Remove inline.
8121 * tree-ssa-reassoc.c: Include real.h.
8122 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8123 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8125 2010-01-05 Nick Clifton <nickc@redhat.com>
8127 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8128 register to push into the stack frame when the accumulator has to
8129 be saved during interrupts.
8131 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8133 * doc/invoke.texi: Remove the documentation about option
8135 * common.opt (Wunreachable-code): Preserved for backward
8137 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8138 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8139 the backward compatibility flag section.
8141 2010-01-05 Richard Guenther <rguenther@suse.de>
8143 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8145 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8148 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8150 PR tree-optimization/42508
8151 * tree-sra.c (convert_callers): Check for recursive call
8152 by comparing cgraph nodes instead of decls.
8153 (modify_function): Call ipa_modify_formal_parameters also
8154 on all same_body aliases.
8156 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8157 cgraph nodes when checking for same_body aliases.
8159 2010-01-05 Richard Guenther <rguenther@suse.de>
8161 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8162 allocation and lookup.
8163 (get_or_alloc_expr_for_constant): Likewise.
8164 (phi_translate): Sink allocation.
8166 2010-01-04 Richard Guenther <rguenther@suse.de>
8168 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8169 a new entry only if needed.
8170 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8171 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8173 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8175 (phi_translate): Handle CONSTANTs early.
8177 2010-01-04 Martin Jambor <mjambor@suse.cz>
8179 PR tree-optimization/42398
8180 * tree-sra.c (struct access): Removed flag grp_different_types.
8181 (dump_access): Do not dump the removed flag.
8182 (sort_and_splice_var_accesses): Do not set the removed flag.
8183 (sra_modify_expr): Check for type compatibility directly.
8185 2010-01-04 Martin Jambor <mjambor@suse.cz>
8187 PR tree-optimization/42366
8188 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8189 edges with variable number of parameters.
8190 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8191 flag instead of asserting it.
8192 (ipa_read_node_info): Read uses_analysis_done flag.
8194 2010-01-04 Richard Guenther <rguenther@suse.de>
8196 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8197 iterative_hash_* as intended.
8198 (vn_reference_compute_hash): Likewise. Simplify hashing
8200 (vn_reference_lookup_2): Likewise.
8201 (vn_nary_op_compute_hash): Likewise.
8202 (vn_phi_compute_hash): Likewise.
8203 (expressions_equal_p): Remove strange code.
8204 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8205 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8206 (bitmap_insert_into_set_1): Take value-id as parameter.
8207 (add_to_value): Pass it.
8208 (bitmap_insert_into_set): Likewise.
8209 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8211 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8214 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8215 (do_self_spec): For switches with SWITCH_IGNORE set set also
8216 SWITCH_IGNORE_PERMANENTLY.
8217 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8220 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8222 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8223 tree of an unreferenced global var.
8225 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8228 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8229 GTU to GT for V4SI and V2DI.
8231 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8232 (umin<mode>3): Removed.
8234 (uminv4si3): Likewise.
8236 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8239 * collect2.c (main): Turn on trace in collect2 if -v is passed
8242 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8244 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8245 description of expression operand.
8247 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8249 * configure.ac: Add install-html to target_list for Make-hooks.
8250 * configure: Regenerate.
8251 * fortran/Make-lang.in (F95_HTMLFILES): New.
8252 (fortran.html): Use it.
8253 (fortran.install-html): New.
8254 * Makefile.in (install-html): Add lang.install-html.
8255 * java/Make-lang.in (JAVA_HTMLFILES): New.
8256 (java.html): Use it.
8257 (java.install-html): New.
8258 * objc/Make-lang.in (objc.install-html): New.
8259 * objcp/Make-lang.in (obj-c++.install-html): New.
8260 * cp/Make-lang.in (c++.install-html): New.
8261 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8262 * lto/Make-lang.in (lto.install-html): New.
8264 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8267 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8269 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8271 PR rtl-optimization/41862
8272 * store-motion.c (store_killed_in_insn, compute_store_table,
8273 remove_reachable_equiv_notes, replace_store_insn,
8274 build_store_vectors): Ignore all DEBUG_INSNs.
8276 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8279 * common.opt: Add dumpdir.
8281 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8283 (option_map): Add --dumpdir.
8285 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8287 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8289 * opts.c (decode_options): Try dump_dir_name first if
8290 dump_base_name isn't an absolute path.
8291 (common_handle_option): Handle OPT_dumpdir.
8293 * toplev.c (dump_dir_name): New.
8294 (print_switch_values): Also ignore -dumpdir.
8296 * toplev.h (dump_dir_name): New.
8298 2010-01-03 Richard Guenther <rguenther@suse.de>
8300 PR tree-optimization/42589
8301 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8302 double-word expansion of bswap32.
8304 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8306 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8307 with BLOCK_FOR_INSN.
8308 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8309 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8310 noce_process_if_block): Likewise.
8311 * gcse.c (compute_local_properties, insert_expr_in_table,
8312 insert_set_in_table, canon_list_insert, find_avail_set,
8313 pre_insert_copy_insn): Likewise.
8315 * basic-block.h (BLOCK_NUM): Move from here...
8316 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8318 2010-01-03 Richard Guenther <rguenther@suse.de>
8320 PR tree-optimization/42438
8321 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8322 contains_may_not_return_call flag.
8323 (BB_MAY_NOTRETURN): New.
8324 (valid_in_sets): Trapping nary operations are not valid
8325 in blocks that may not return.
8326 (insert_into_preds_of_block): Remove check for trapping expressions.
8327 (compute_avail): Compute also BB_MAY_NOTRETURN.
8329 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8331 * doc/invoke.texi: Add 2010 to copyright years.
8333 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8335 * config/sparc/sparc.c: Fix formatting nits.
8337 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8338 Alexander Monakov <amonakov@ispras.ru>
8340 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8342 2010-01-02 Richard Guenther <rguenther@suse.de>
8345 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8346 (simplify_switch_using_ranges): Mark to be removed edges
8349 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8351 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8353 * collect2.c (scan_libraries): Add missing argument in call to
8356 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8359 * config/alpha/predicates.md (aligned_memory_operand): Return false
8361 (unaligned_memory_operand): Return true for CQImode.
8362 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8363 doesn not cross aligned SImode word boundary.
8365 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8367 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8369 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8370 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8372 2010-01-02 Richard Guenther <rguenther@suse.de>
8375 * toplev.c (compile_file): Emit LTO marker properly. Change
8377 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8379 2010-01-01 Richard Guenther <rguenther@suse.de>
8382 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8384 2010-01-01 Richard Guenther <rguenther@suse.de>
8387 * c-decl.c (grokdeclarator): For zero-size arrays force
8388 structural equality checks as layout_type does.
8390 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8392 * builtins.c: Update copyright to 2010.
8394 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8397 * lto-streamer-out.c (produce_asm): Revert the last change.
8398 (copy_function): Likewise.
8400 * lto-streamer.c (lto_get_section_name): Skip any leading
8403 2010-01-01 Richard Guenther <rguenther@suse.de>
8406 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8410 Copyright (C) 2010 Free Software Foundation, Inc.
8412 Copying and distribution of this file, with or without modification,
8413 are permitted in any medium without royalty provided the copyright
8414 notice and this notice are preserved.