1 2010-05-05 Jason Merrill <jason@redhat.com>
4 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
5 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
6 (TARGET_INITIALIZER): Use it.
7 * c-common.c (attribute_takes_identifier_p): Call it.
8 * c-common.h: Update prototype.
9 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
10 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
12 2010-05-05 Jakub Jelinek <jakub@redhat.com>
15 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
16 DW_ID_down_case for Fortran compilation units.
18 2010-05-05 Jan Hubicka <jh@suse.cz>
20 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
23 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
25 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
26 a variable-sized RESULT_DECL.
28 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
30 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
32 2010-05-05 Jason Merrill <jason@redhat.com>
35 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
37 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
39 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
40 Jakub Jelinek <jakub@redhat.com>
43 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
44 (dead_debug_init, dead_debug_finish): New functions.
45 (dead_debug_add, dead_debug_insert_before): Likewise.
46 (df_note_bb_compute): Initialize a dead_debug object, add dead
47 debug uses to it, insert debug bind insns before death insns,
48 reset debug insns that refer to pending uses at the end.
49 * rtl.h (make_debug_expr_from_rtl): New prototype.
50 * varasm.c (make_debug_expr_from_rtl): New function.
52 2010-05-05 Jan Hubicka <jh@suse.cz>
54 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
55 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
56 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
57 lto_varpool_encoder_encode_initializer_p,
58 lto_set_varpool_encoder_encode_initializer): New functions.
59 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
61 (input_varpool_node): Do not always set analyzed.
62 (input_cgraph_1): Return vector of cgraph nodes.
63 (input_varpool_1): Return vector of varpools.
64 (input_cgraph): Free the vectors.
65 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
66 output only initializers needed.
67 (lto_output): Only call output_cgraph.
68 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
69 * lto-section-out.c (lto_new_out_decl_state): Initialize
70 state->varpool_node_encoder.
71 * lto-streamer.h (lto_varpool_encoder_d): New.
72 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
73 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
74 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
75 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
76 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
78 (output_varpool, input_varpool): Remove declarations.
80 2010-05-05 Jan Hubicka <jh@suse.cz>
82 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
83 with body can prevail.
85 2010-05-05 Jan Hubicka <jh@suse.cz>
87 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
90 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
92 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
95 * gengtype.h (erro_at_line): Constify pos argument.
97 * gengtype.c: Include hashtab.h.
98 (enum gc_used): Document GC_MAYBE_POINTED_TO.
99 (error_at_line): Constify pos argument.
100 (do_typedef): Initialize p->opt field.
101 (get_file_gtfilename): Fix comment typo.
102 (struct walk_type_data): Constify line field.
103 (get_output_file_for_structure): New function.
104 (write_local_func_for_structure): Constify orig_s argument.
105 Use get_output_file_for_structure.
106 (write_func_for_structure): Use get_output_file_for_structure.
107 (INDENT): New define.
108 (dump_pair, dump_type, dump_type_list, dump_typekind)
109 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
110 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
112 (seen_types): New variable.
113 (main): New variable do_dump. Process "-d" command line option.
114 Call dump_everything if dump requested.
116 2010-05-05 Jakub Jelinek <jakub@redhat.com>
118 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
119 in a temporary instead of invoking the macro multiple times.
120 (track_expr_p): Likewise.
122 2010-05-04 Neil Vachharajani <nvachhar@google.com>
124 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
126 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
127 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
128 conditions for printing notes.
129 * common.opt (-Wcoverage-mismatch): Allow negative, default to
130 true, update documentation.
131 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
133 2010-05-04 Jakub Jelinek <jakub@redhat.com>
136 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
139 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
142 * config/i386/i386.md (sse_prologue_save): Add clobber CC
144 (*sse_prologue_save_insn1): Likewise.
145 (SSE prologue save splitter): Likewise.
147 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
149 * tree.c (free_lang_data_in_one_sizepos): New inline function.
150 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
151 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
152 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
153 all decls. Call it on DECL_FIELD_OFFSET of fields.
154 (find_decls_types_r): Follow DECL_VALUE_EXPR.
155 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
157 2010-05-04 Martin Jambor <mjambor@suse.cz>
159 * tree-sra.c (build_access_from_expr_1): The first parameter type
160 changed to simple tree.
161 (build_access_from_expr): Likewise, gsi parameter was eliminated.
162 (scan_assign_result): Renamed to assignment_mod_result, enum elements
164 (build_accesses_from_assign): Removed all parameters except for a
165 simple gimple statement. Now returns a simple bool.
166 (scan_function): All non-analysis parts moved to separate functions
167 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
168 parameters and updated both callers.
169 (sra_modify_expr): Removed parameter data.
170 (sra_modify_function_body): New function.
171 (perform_intra_sra): Call sra_modify_function_body to modify the
173 (replace_removed_params_ssa_names): Parameter data changed into
175 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
176 changed the parameter dont_convert to convert with the opposite
178 (sra_ipa_modify_assign): Parameter data changed into adjustments
179 vector, return value changed to bool.
180 (ipa_sra_modify_function_body): New function.
181 (sra_ipa_reset_debug_stmts): Updated a comment.
182 (modify_function): Use ipa_sra_modify_function_body to modify function
185 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
188 * alias.c (true_dependence): Handle the same VALUE in x and mem.
189 (canon_true_dependence): Likewise.
190 (write_dependence_p): Likewise.
192 2010-05-04 Jan Hubicka <jh@suse.cz>
194 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
195 * cgraphbuild.c: Include ipa-utils.h
196 (record_reference_ctx): New struct.
197 (record_reference): Simplify to work on initializers; not statements.
198 (mark_address, mark_load, mark_store): New.
199 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
201 (record_references_in_initializer): Update use of record_reference.
202 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
205 2010-05-04 Jan Hubicka <jh@suse.cz>
207 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
208 node will be removed anyway.
209 (lto_varpool_replace_node): Allow also unanalyzed nodes;
210 relink aliases of node into prevailing node.
211 * varpool.c (varpool_remove_node): Remove aliases properly;
212 when removing node, remove all its aliases too; remove DECL_INITIAL
213 of removed node; ggc_free the varpool node.
215 2010-05-04 Richard Guenther <rguenther@suse.de>
217 PR tree-optimization/43879
218 * tree-ssa-structalias.c (alias_get_name): Use
219 DECL_ASSEMBLER_NAME if available.
220 (create_function_info_for): Return the varinfo node.
221 (ipa_pta_execute): Associate same-body aliases and extra names
222 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
224 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
226 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
229 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
232 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
233 only if HONOR_REG_ALLOC_ORDER is not defined.
235 2010-05-04 Richard Guenther <rguenther@suse.de>
237 PR tree-optimization/43949
238 * tree-vrp.c (extract_range_from_binary_expr): Only handle
241 2010-04-26 Jason Merrill <jason@redhat.com>
243 * c.opt (-fstrict-enums): New.
244 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
246 2010-05-03 David Ung <davidu@mips.com>
247 James E. Wilson <wilson@codesourcery.com>
249 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
250 emit the trap instruction before the divide for TUNE_74K.
252 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
254 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
255 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
256 based on the above, for new target hook.
258 * hooks.c (hook_bool_mode_true): New generic hook.
259 * hooks.h (hook_bool_mode_true): Add prototype.
261 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
263 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
264 target hook, set to hook_bool_mode_false.
265 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
266 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
267 with targetm.small_register_classes_for_mode_p.
268 (find_reusable_reload): Likewise.
269 (combine_reloads): Likewise.
270 * reload1.c (reload_as_needed): Likewise.
271 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
272 * ifcvt.c (noce_process_if_block, check_cond_move_block,
273 dead_or_predicable): Likewise.
274 * regmove.c (optimize_reg_copy_1): Likewise.
275 * calls.c (prepare_call_address): Likewise.
276 (precompute_register_parameters): Likewise.
278 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
280 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
281 implementation of the hook that considers all register classes
282 small except for SH64.
283 (sh_override_options): Use the new hook.
284 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
287 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
289 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
290 implementation of the hook that considers all register classes
292 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
295 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
297 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
298 implementation of the hook that considers all register classes
300 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
303 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
305 * config/m32c/m32c.h: Likewise.
306 * config/pdp11/pdp11.h: Likewise.
307 * config/avr/avr.h: Likewise.
308 * config/xtensa/xtensa.h: Likewise.
309 * config/m68hc11/m68hc11.h: Likewise.
310 * config/mn10300/mn10300.h: Likewise.
311 * config/mcore/mcore.h: Likewise.
312 * config/h8300/h8300.h: Likewise.
313 * config/bfin/bfin.h: Likewise.
315 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
316 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
318 2010-05-03 Anatoly Sokolov <aesok@post.ru>
320 * double-int.h (tree_to_double_int): Remove macro.
321 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
322 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
323 (tree_to_double_int): New function.
324 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
326 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
328 2010-05-03 Richard Guenther <rguenther@suse.de>
330 PR tree-optimization/43971
331 * tree-ssa-structalias.c (get_constraint_for_1): Fix
332 constraints in the !flag_delete_null_pointer_checks case.
334 2010-05-03 Jakub Jelinek <jakub@redhat.com>
337 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
338 result mode matches original rtl mode.
340 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
343 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
345 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
347 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
348 when processing flag options.
350 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
352 * gcov-iov.c (main): Change format string placeholder
353 from %#08x to 0x%08x.
354 * genchecksum.c (dosum): Change format string placeholder
355 from %#02x to 0x%02x.
357 2010-05-02 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/43879
360 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
362 2010-05-02 Bruno Haible <bruno@clisp.org>
364 * doc/extend.texi (Function Attributes): Fix a typo.
366 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
369 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
370 placeholder from 0x%x to %#x.
371 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
372 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
373 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
374 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
375 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
376 * config/i386/i386.c (ix86_target_string): Ditto.
377 * config/i386/i386.c (output_pic_addr_const): Ditto.
378 (print_operand): Ditto.
380 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
382 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
383 placeholder from 0x%x to %#x.
384 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
385 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
386 (ASM_OUTPUT_DEBUG_DATA): Ditto.
387 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
388 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
389 * optc-gen.awk: Ditto.
390 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
391 (HOST_WIDE_INT_PRINT_HEX): Ditto.
392 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
393 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
395 2010-05-01 Anatoly Sokolov <aesok@post.ru>
397 * target.h (struct calls): Add function_value_regno_p field.
398 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
399 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
400 * targhooks.c (default_function_value_regno_p): New function.
401 * targhooks.h (default_function_value_regno_p): Declare function.
402 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
403 * builtins.c. (apply_result_size): (Ditto.).
404 * combine.c. (likely_spilled_retval_p): (Ditto.).
405 * mode-switching.c. Include 'target.h'.
406 (create_pre_exit): Use function_value_regno_p hook.
407 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
408 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
409 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
411 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
412 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
413 (ix86_function_value_regno_p): Declare as static, change argument
414 type to const unsigned int.
415 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
417 2010-05-01 Richard Guenther <rguenther@suse.de>
419 PR tree-optimization/43949
420 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
422 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
424 2010-05-01 Anatoly Sokolov <aesok@post.ru>
426 * rtl.h (CONST_DOUBLE_P): Define.
427 (rtx_to_double_int): Declare.
428 * emit-rtl.c (rtx_to_double_int): New function.
429 * dwarf2out.c (insert_double): New function.
430 (loc_descriptor, add_const_value_attribute): Clean up, use
431 rtx_to_double_int and insert_double functions.
433 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
435 * doc/extend.texi (Inline): Add missing return keyword to examples.
436 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
439 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
441 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
442 the variable part of the offset as well. Use highest_pow2_factor for
443 all alignment checks.
445 2010-04-30 Richard Guenther <rguenther@suse.de>
447 PR tree-optimization/43879
448 * tree-ssa-structalias.c (type_could_have_pointers): Functions
451 2010-04-30 Jan Hubicka <jh@suse.cz>
453 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
455 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
457 2010-04-30 Jan Hubicka <jh@suse.cz>
459 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
461 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
462 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
463 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
464 cgraph_node_set_needs_ltrans_p): Remove.
466 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
468 * sdbout.c: Include vec.h, do not include varray.h.
469 (deferred_global_decls, sdbout_global_decl,
470 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
471 * toplev.c: Do not include varray.h.
472 (dump_memory_report): Do not dump VARRAY statistics.
473 * gengtype.c (open_base_file): Ignore varray.h.
474 * Makefile.in: Update for abovementioned changes.
475 Remove all traces of varray.c and varray.h.
476 * varray.c: Remove file.
477 * varray.h: Remove file.
479 2010-04-30 Jan Hubicka <jh@suse.cz>
481 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
484 2010-04-30 Jan Hubicka <jh@suse.cz>
486 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
489 2010-04-30 Richard Guenther <rguenther@suse.de>
491 * tree-ssa-structalias.c (get_constraint_for_1): Generate
492 constraints for CONSTRUCTOR.
494 2010-04-30 Richard Guenther <rguenther@suse.de>
497 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
498 first after all lowering passes.
500 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
502 * toplev.c: Include varray.h for statistics dumping.
503 * tree.h: Do not declare varray_head_tag.
504 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
505 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
506 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
507 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
508 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
509 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
510 c-common.c, c-common.h, reg-stack.c, basic-block.h,
511 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
513 * Makefile.in: Update for abovementioned changes.
515 2010-04-30 Jakub Jelinek <jakub@redhat.com>
518 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
520 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
522 * config/picochip/picochip.c (picochip_legitimize_address): Define.
523 Use this function to do machine-specific conversion.
524 (picochip_legitimize_reload_address): Likewise.
525 (picochip_legitimate_address_p): Check valid base register only if
527 (picochip_check_conditional_copy): Check for modw only if opnd is
529 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
530 to call the function in c.
531 * config/picochip/picochip-protos.h
532 (picochip_legitimize_reload_address): Define.
533 * config/picochip/picochip.md (supported_compare1): Define.
535 2010-04-30 Jan Hubicka <jh@suse.cz>
537 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
538 (cgraph_global_info): Remove inlined.
539 (LTO_cgraph_tag_names): Remove.
540 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
541 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
542 simplify cgraph tags and document.
543 (lto_output_node): Use only LTO_cgraph_unavail_node and
544 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
545 for_functions_valid, global info, process and output flags.
546 (input_overwrite_node): Initialize estimated stack size and
547 estimated growth. Do not read flags we no longer store.
548 (input_node): Likewise do not read info no longer stored.
549 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
552 2010-04-30 Richard Guenther <rguenther@suse.de>
554 PR tree-optimization/43879
555 * tree-ssa-structalias.c (get_constraint_for_1): Properly
556 handle non-zero initializers.
558 2010-04-30 Richard Guenther <rguenther@suse.de>
560 * builtins.c (fold_builtin_1): Delete free (0).
562 2010-04-29 Jan Hubicka <jh@suse.cz>
564 * gengtype.c (open_base_files): Add lto-streamer.h
565 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
566 (pass_ipa_cp): GGC collect.
567 * toplev. (compile_file): Do not output symbols.
568 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
569 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
570 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
571 * lto-section-in.c: Include ggc.h
572 (lto_new_in_decl_state): Alloc in GGC.
573 (lto_delete_in_decl_state): Likewise.
574 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
577 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
580 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
581 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
582 (HONOR_REG_ALLOC_ORDER): Describe new macro.
583 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
584 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
585 account only if HONOR_REG_ALLOC_ORDER is not defined.
586 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
587 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
589 2010-04-29 Jon Grant <04@jguk.org>
591 * collect2.c (vflag): Change type from int to bool.
593 (helpflag): New global bool.
594 (main): Set vflag and debug with boolean, not integer truth values.
595 Accept new "--help" option and output usage text if found.
596 * collect2.h (vflag): Update prototype.
599 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
602 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
604 2010-04-29 Richard Guenther <rguenther@suse.de>
607 * plugin.h (invoke_plugin_callbacks): Annotate arguments
608 with ATTRIBUTE_UNUSED.
610 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
613 * config/i386/i386.c (get_some_local_dynamic_name): Replace
614 INSN_P with NONDEBUG_INSN_P.
615 (distance_non_agu_define): Likewise.
616 (distance_agu_use): Likewise.
618 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
620 From Dominique d'Humieres <dominiq@lps.ens.fr>
622 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
625 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
627 * plugin.h (invoke_plugin_callbacks): New inline function.
628 * plugin.c (flag_plugin_added): New global flag.
629 (add_new_plugin): Initialize above flag.
630 (invoke_plugin_callbacks): Rename to ...
631 (invoke_plugin_callbacks_full): ... this.
633 2010-04-28 Jan Hubicka <jh@suse.cz>
635 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
636 (lto_varpool_replace_node): New.
637 (lto_symtab_resolve_symbols): Resolve varpool nodes.
638 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
639 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
640 * cgraph.h (varpool_node_ptr): New type.
641 (varpool_node_ptr): New vector.
642 (varpool_node_set_def): New structure.
643 (varpool_node_set): New type.
644 (varpool_node_set): New vector.
645 (varpool_node_set_element_def): New structure.
646 (varpool_node_set_element, const_varpool_node_set_element): New types.
647 (varpool_node_set_iterator): New type.
648 (varpool_node): Add prev pointers, add used_from_other_partition,
650 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
651 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
652 varpool_get_node, varpool_remove_node): Declare.
653 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
654 varpool_node_set_size): New inlines.
655 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
656 * tree-pass.h (varpool_node_set_def): Forward declare.
657 (ipa_opt_pass_d): Summary writting takes vnode sets too.
658 (ipa_write_optimization_summaries): Update prototype.
659 * ipa-cp.c (ipcp_write_summary): Update.
660 * ipa-reference.c (ipa_reference_write_summary): Update.
661 * lto-cgraph.c (lto_output_varpool_node): New static function.
662 (output_varpool): New function.
663 (input_varpool_node): New static function.
664 (input_varpool_1): New function.
665 (input_cgraph): Input varpool.
666 * ipa-pure-const.c (pure_const_write_summary): Update.
667 * lto-streamer-out.c (lto_output): Update, output varpool too.
668 (write_global_stream): Kill WPA hack.
669 (produce_asm_for_decls): Update.
670 (output_alias_pair_p): Handle variables.
671 (output_unreferenced_globals): Output only needed partition of varpool.
672 * ipa-inline.c (inline_write_summary): Update.
673 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
675 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
676 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
677 varpool_node_set_new, varpool_node_set_add,
678 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
679 debug_varpool_node_set): New functions.
680 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
681 (execute_one_pass): Process new decls too.
682 (ipa_write_summaries_2): Pass around vsets.
683 (ipa_write_summaries_1): Likewise.
684 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
686 (ipa_write_optimization_summaries_1): Pass around vsets.
687 (ipa_write_optimization_summaries): Likewise.
688 * varpool.c (varpool_get_node): New.
689 (varpool_node): Update doubly linked lists.
690 (varpool_remove_node): New.
691 (dump_varpool_node): More dumping.
692 (varpool_enqueue_needed_node): Update doubly linked lists.
693 (decide_is_variable_needed): Kill ltrans hack.
694 (varpool_finalize_decl): Kill lto hack.
695 (varpool_assemble_decl): Skip decls in other partitions.
696 (varpool_assemble_pending_decls): Update doubly linkes lists.
697 (varpool_empty_needed_queue): Likewise.
698 (varpool_extra_name_alias): Likewise.
699 * lto-streamer.c (lto_get_section_name): Add vars section.
700 * lto-streamer.h (lto_section_type): Update.
701 (output_varpool, input_varpool): Declare.
703 2010-04-28 Mike Stump <mikestump@comcast.net>
705 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
707 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
709 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
710 record or union type with RECORD_OR_UNION_TYPE_P predicate.
711 (lto_input_ts_type_tree_pointers): Likewise.
712 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
713 (lto_output_ts_type_tree_pointers): Likewise.
715 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
717 Uniquization of constants at the Tree level
718 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
719 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
721 (tree_output_constant_def): Declare.
722 * gimplify.c (gimplify_init_constructor): When using block copy, first
723 uniquize the constant constructor on the RHS.
724 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
725 DECL_IN_CONSTANT_POOL flag.
726 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
727 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
729 (assemble_variable): Deal with symbols belonging to the tree constant
731 (get_constant_section): Add ALIGN parameter and simplify.
732 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
733 (assemble_constant_contents): Use the expression of the VAR_DECL.
734 (output_constant_def_contents): Use the alignment of the VAR_DECL.
735 (tree_output_constant_def): New global function.
736 (mark_constant): Use the expression of the VAR_DECL.
737 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
739 (output_object_block): Likewise and assemble the expression.
741 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
743 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
744 hash_tree, eq_tree): New tree hash table.
745 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
746 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
747 lto_orig_address_remove): Reimplement.
749 2010-04-28 Xinliang David Li <davidxl@google.com>
752 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
753 (compute_uninit_opnds_pos): New function.
754 (is_non_loop_exit_postdominating): New function.
755 (compute_control_dep_chain): New function.
756 (find_pdom): New function.
757 (convert_control_dep_chain_into_preds): New function.
758 (find_predicates): New function.
759 (find_control_equiv_block): New function.
760 (collect_phi_def_edges): New function.
761 (find_def_preds): New function.
762 (find_dom): New function.
763 (dump_predicates): New function.
764 (get_cmp_code): New function.
765 (is_value_included_in): New function.
766 (find_matching_predicate_in_rest_chains): New function.
767 (use_pred_not_overlap_with_undef_path_pred): New function.
768 (is_use_properly_guarded): New function.
769 (normalize_cond_1): New function.
770 (is_and_or_or): New function.
771 (normalize_cond): New function.
772 (is_gcond_subset_of): New function.
773 (is_subset_of_any): New function.
774 (is_or_set_subset_of): New function.
775 (is_and_set_subset_of): New function.
776 (is_norm_cond_subset_of): New function.
777 (is_pred_expr_subset_of): New function.
778 (is_pred_chain_subset_of): New function.
779 (is_included_in): New function.
780 (is_superset_of): New function.
781 (find_uninit_use): New function.
782 (warn_uninitialized_phi): New function.
783 (compute_possibly_undefined_names): New function.
784 (ssa_undefined_value_p): New function.
785 (execute_late_warn_uninitialized): New function.
786 * tree-ssa.c (ssa_undefined_value_p): Removed.
787 (warn_uninit): Changed to extern.
788 (warn_uninitialized_phi): Removed.
789 (warn_uninitialized_vars): Changed to extern.
790 (execute_late_warn_uninitialized): Removed
791 * tree-flow.h: Add new prototypes.
792 * timevar.def: Add new time variable.
793 * Makefile.in: Add new build file.
795 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
797 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
800 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
803 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
805 2010-04-28 Martin Jambor <mjambor@suse.cz>
807 * cgraph.h (struct cgraph_node): New field indirect_calls.
808 (struct cgraph_indirect_call_info): New type.
809 (struct cgraph_edge): Removed field indirect_call. New fields
810 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
811 (cgraph_create_indirect_edge): Declare.
812 (cgraph_make_edge_direct): Likewise.
813 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
814 * ipa-prop.h (struct ipa_param_call_note): Removed.
815 (struct ipa_node_params): Removed field param_calls.
816 (ipa_create_all_structures_for_iinln): Declare.
817 * cgraph.c: Described indirect edges and uids in initial comment.
818 (cgraph_add_edge_to_call_site_hash): New function.
819 (cgraph_edge): Search also among the indirect edges, use
820 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
821 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
822 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
824 (initialize_inline_failed): Assign a reason to indirect edges.
825 (cgraph_create_edge_1): New function.
826 (cgraph_create_edge): Moved some functionality to
827 cgraph_create_edge_1.
828 (cgraph_create_indirect_edge): New function.
829 (cgraph_edge_remove_callee): Add an assert checking for
831 (cgraph_edge_remove_caller): Special-case indirect edges.
832 (cgraph_remove_edge): Likewise.
833 (cgraph_set_edge_callee): New function.
834 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
835 (cgraph_make_edge_direct): New function.
836 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
837 the declaration of the call statement matches.
838 (cgraph_node_remove_callees): Special-case indirect edges.
839 (cgraph_clone_edge): Likewise.
840 (cgraph_clone_node): Clone also the indirect edges.
841 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
842 indirect_call, dump count of indirect_calls edges.
843 * ipa-prop.c (iinlining_processed_edges): New variable.
844 (ipa_note_param_call): Create indirect edges instead of
845 creating notes. New parameter node.
846 (ipa_analyze_call_uses): New parameter node, pass it on to
848 (ipa_analyze_stmt_uses): Likewise.
849 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
850 (print_edge_addition_message): Work on edges rather than on notes.
851 (update_call_notes_after_inlining): Likewise, renamed to
852 update_indirect_edges_after_inlining.
853 (ipa_create_all_structures_for_iinln): New function.
854 (ipa_free_node_params_substructures): Do not free notes.
855 (ipa_edge_duplication_hook): Propagate bits within
856 iinlining_processed_edges bitmap.
857 (ipa_node_duplication_hook): Do not duplicate notes.
858 (free_all_ipa_structures_after_ipa_cp): Renamed to
859 ipa_free_all_structures_after_ipa_cp.
860 (free_all_ipa_structures_after_iinln): Renamed to
861 ipa_free_all_structures_after_iinln.g
862 (ipa_write_param_call_note): Removed.
863 (ipa_read_param_call_note): Removed.
864 (ipa_write_indirect_edge_info): New function.
865 (ipa_read_indirect_edge_info): Likewise.
866 (ipa_write_node_info): Do not stream notes, do stream information
868 (ipa_read_node_info): Likewise.
869 (lto_ipa_fixup_call_notes): Removed.
870 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
871 * ipa-inline.c (pass_ipa_inline): Likewise.
872 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
873 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
874 * tree-inline.c (copy_bb): Removed an unnecessary double check for
876 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
878 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
879 (output_cgraph): Stream also indirect edges.
880 (lto_output_edge): Added capability to stream indirect edges.
881 (input_edge): Likewise.
882 (input_cgraph_1): Likewise.
883 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
886 2010-04-28 Richard Guenther <rguenther@suse.de>
888 PR tree-optimization/43879
889 PR tree-optimization/43909
890 * tree-ssa-structalias.c (struct variable_info): Add
891 only_restrict_pointers flag.
892 (new_var_info): Initialize it. Increment stats.total_vars here.
893 (create_function_info_for): Do not increment stats.total_vars
895 (get_function_part_constraint): Fix build with C++.
896 (insert_into_field_list): Remove.
897 (push_fields_onto_fieldstack): Properly merge fields.
898 (create_variable_info_for): Split and simplify.
899 (create_variable_info_for_1): New piece.
900 (intra_create_variable_infos): Properly make restrict constraints
903 2010-04-28 Richard Guenther <rguenther@suse.de>
906 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
908 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
909 Jan Hubicka <hubicka@ucw.cz>
911 * doc/invoke.texi (-Wsuggest-attribute=const,
912 -Wsuggest-attribute=pure): Document.
913 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
914 (function_always_visible_to_compiler_p,
915 suggest_attribute, warn_function_pure, warn_function_const):
917 (check_call): Improve debug info.
918 (analyze_function): Do not check availability.
919 (add_new_function): Check availability.
920 (propagate): Output warnings.
921 (skip_function_for_local_pure_const): New function.
922 (local_pure_const): Use it; output warnings.
923 * common.opt (Wsuggest-attribute=const,
924 Wsuggest-attribute=pure): New.
926 2010-04-27 Jakub Jelinek <jakub@redhat.com>
928 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
929 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
930 or DW_CFA_def_cfa_offset{,_sf}.
932 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
934 * tree.h: Fix truncated long macros.
936 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
938 * collect2.c (TARGET_64BIT): Redefine to target's default.
940 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
941 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
942 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
943 for underscoring __USER_LABEL_PREFIX__.
944 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
945 (SUB_LINK_ENTRY32): New.
946 (SUB_LINK_ENTRY64): New.
947 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
948 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
949 (SUB_LINK_ENTRY64): New.
950 (SUB_LINK_ENTRY): New.
951 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
952 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
953 x64 target is choosen.
954 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
955 * configure: Regenerated.
956 * configure.ac (leading-mingw64-underscores): Option added.
958 2010-04-27 Jan Hubicka <jh@suse.cz>
960 * doc/invoke.texi (-fipa-profile): Document.
961 * opts.c (decode_options): Enable ipa-profile at -O1.
962 * timevar.def (TV_IPA_PROFILE): Define.
963 * common.opt (fipa-profile): Add.
964 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
966 (cgraph_propagate_frequency): Handle only local ones.
967 * tree-pass.h (pass_ipa_profile): Declare.
968 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
969 (pass_ipa_profile): Use TV_IPA_PROFILE.
970 * ipa.c (ipa_profile): New function.
971 (gate_ipa_profile): Likewise.
972 (pass_ipa_profile): New global variable.
973 * passes.c (pass_ipa_profile): New.
975 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
977 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
979 2010-04-27 Martin Jambor <mjambor@suse.cz>
982 * ipa.c (dissolve_same_comdat_group_list): New function.
983 (function_and_variable_visibility): Call
984 dissolve_same_comdat_group_list when comdat group contains external or
986 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
987 lists are circular and that they contain only DECL_ONE_ONLY nodes.
989 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
991 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
992 (const_hash_1) <VECTOR_CST>: New case.
993 (compare_constant) <VECTOR_CST>: Likewise.
994 <ADDR_EXPR>: Deal with LABEL_REFs.
995 (copy_constant) <VECTOR_CST>: New case.
997 2010-04-27 Jan Hubicka <jh@suse.cz>
999 * cgraph.c (cgraph_propagate_frequency): New function.
1000 * cgraph.h (cgraph_propagate_frequency): Declare.
1001 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1002 cgraph_propagate_frequency.
1004 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1006 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1008 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1011 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1012 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1013 here to determine which regs to push and how much stack to reserve.
1015 2010-04-27 Jie Zhang <jie@codesourcery.com>
1017 * doc/gimple.texi (gimple_statement_with_ops): Remove
1018 addresses_taken field.
1019 (gimple_statement_with_memory_ops): Likewise.
1021 2010-04-27 Jan Hubicka <jh@suse.cz>
1023 * tree-inline.c (eni_inlining_weights): Remove.
1024 (estimate_num_insns): Special case more builtins.
1026 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1029 * c-typeck.c (build_binary_op): Move forward check for comparison
1030 pointer with null pointer constant and adjust the diagnostic message.
1032 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1035 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1036 binutils supports extended .section directive needed by LTO, or
1037 warn if older binutils found.
1038 (LTO_BINARY_READER): New AC_SUBST'd variable.
1039 (LTO_USE_LIBELF): Likewise.
1040 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1042 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1043 (LTO_USE_LIBELF): Likewise.
1044 * configure: Regenerate.
1046 * collect2.c (is_elf): Rename from this ...
1047 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1048 object files in addition to ELF-formatted ones.
1049 (scan_prog_file): Caller updated. Also allow for LTO info marker
1050 symbol to be prefixed or not by an extra underscore.
1052 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1053 * config/i386/winnt.c: Also #include lto-streamer.h
1054 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1056 (i386_pe_asm_output_aligned_decl_common): Add comment.
1057 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1059 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1062 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1063 Add missing earlyclobber for second alternative.
1065 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1067 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1068 bits for artificial defs at the top of the block.
1069 * fwprop.c (single_def_use_enter_block): Don't call it.
1071 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1074 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1075 instead of "$gcc_cv_objdump -T".
1076 Use "-undefined dynamic_lookup" on darwin.
1077 * gcc/configure: Regenerate.
1079 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1082 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1084 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1086 * c-parser.c (struct c_token): Move location field up.
1087 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1088 (struct c_declspecs): Convert typespec_word, storage_class, and
1089 default_int_p into bitfields.
1090 (struct c_declarator): Move loc field up.
1092 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1094 * cfgloop.h (struct loop): Move can_be_parallel field up.
1095 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1096 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1098 (struct iv_cand): Convert pos field into a bitfield.
1099 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1101 (struct _stmt_vec_info): Shuffle fields for better packing.
1103 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1105 * varasm.c (IN_NAMED_SECTION): Remove guard.
1106 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1107 (IN_NAMED_SECTION_P): ...this.
1108 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1109 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1111 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1113 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1114 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1115 of shadowing it. Fix comments.
1117 2010-04-26 Jan Hubicka <jh@suse.cz>
1119 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1120 (cgraph_clone_node): Copy function frequency.
1121 * cgraph.h (node_frequency): New enum
1122 (struct cgraph_node): Add.
1123 * final.c (rest_of_clean_state): Update.
1124 * lto-cgraph.c (lto_output_node): Output node frequency.
1125 (input_overwrite_node): Input node frequency.
1126 * tre-ssa-loop-ivopts (computation_cost): Update.
1127 * lto-streamer-out.c (output_function): Do not output function
1129 * predict.c (maybe_hot_frequency_p): Update and handle functions
1131 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1133 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1134 (compute_function_frequency): Set noreturn functions to be executed
1136 (choose_function_section): Update.
1137 * lto-streamer-in.c (input_function): Do not input function frequency.
1138 * function.c (allocate_struct_function): Do not initialize function
1140 * function.h (function_frequency): Remove.
1141 (struct function): Remove function frequency.
1142 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1143 (try_update): Update.
1144 * tree-inline.c (initialize_cfun): Do not update function frequency.
1145 * passes.c (pass_init_dump_file): Update.
1146 * i386.c (ix86_compute_frame_layout): Update.
1147 (ix86_pad_returns): Update.
1149 2010-04-26 Jie Zhang <jie@codesourcery.com>
1151 PR tree-optimization/43833
1152 * tree-vrp.c (range_int_cst_p): New.
1153 (range_int_cst_singleton_p): New.
1154 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1155 when both operands are constants. Use range_int_cst_p in
1158 2010-04-26 Jan Hubicka <jh@suse.cz>
1160 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1162 2010-04-26 Richard Guenther <rguenther@suse.de>
1165 * gimple.c (gimple_decl_printable_name): Deal gracefully
1166 with a NULL DECL_NAME.
1168 2010-04-26 Richard Guenther <rguenther@suse.de>
1171 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1172 if emitting debug information and it is either a function
1173 or a namespace decl.
1175 2010-04-26 Ira Rosen <irar@il.ibm.com>
1177 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1178 determine if the statement is vectorizable, and a macro to access it.
1179 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1180 Skip statements that can't be vectorized. If the analysis fails,
1181 mark the statement as unvectorizable if vectorizing basic block.
1182 (vect_compute_data_refs_alignment): Likewise.
1183 (vect_verify_datarefs_alignment): Skip statements marked as
1184 unvectorizable. Add print.
1185 (vect_analyze_group_access): Skip statements that can't be
1186 vectorized. If the analysis fails, mark the statement as
1187 unvectorizable if vectorizing basic block.
1188 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1189 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1190 generated stmts for SLP.
1191 (new_stmt_vec_info): Initialize the new field.
1192 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1193 statements marked as unvectorizable.
1195 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1197 * c-common.c (flag_isoc1x): New.
1198 (flag_isoc99): Update comment.
1199 * c-common.h (flag_isoc1x): New.
1200 (flag_isoc99): Update comment.
1201 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1202 __<type>_DECIMAL_DIG__.
1203 * c-opts.c (set_std_c1x): New.
1204 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1205 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1206 * c.opt (-std=c1x, -std=gnu1x): New options.
1207 * doc/cpp.texi: Mention -std=c1x.
1208 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1209 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1210 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1211 * doc/standards.texi: Mention C1X.
1212 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1213 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1214 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1217 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1219 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1220 placeholder from 0x%x to %#x.
1221 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1222 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1223 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1224 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1225 * config/i386/i386.c (ix86_target_string): Ditto.
1226 (output_pic_addr_const): Ditto.
1227 (print_operand): Ditto.
1229 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1231 * combine.c (find_split_point): Add third argument. Use it
1232 to find nested multiply-accumulate instructions. Adjust calls.
1233 (try_combine): Adjust call to find_split_point.
1235 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1237 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1239 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1241 PR tree-optimization/41442
1242 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1243 (fold_binary_loc): Call it.
1245 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1247 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1248 * opts.c (common_handle_option): Allow disabling it.
1249 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1251 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1253 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1254 between modes if both types are integral.
1256 2010-04-23 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/43572
1259 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1261 2010-04-23 Richard Guenther <rguenther@suse.de>
1264 * tree-inline.c (tree_can_inline_p): Also check compatibility
1267 2010-04-23 Martin Jambor <mjambor@suse.cz>
1269 PR tree-optimization/43846
1270 * tree-sra.c (struct access): New flag grp_assignment_read.
1271 (build_accesses_from_assign): Set grp_assignment_read.
1272 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1273 (enum mark_read_status): New type.
1274 (analyze_access_subtree): Propagate grp_assignment_read, create
1275 accesses also if both direct_read and root->grp_assignment_read.
1277 2010-04-23 Martin Jambor <mjambor@suse.cz>
1280 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1281 function does not have type attributes.
1283 2010-04-23 Richard Guenther <rguenther@suse.de>
1286 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1289 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1291 * sese.h (create_if_region_on_edge): Remove.
1293 * sese.c (create_if_region_on_edge): Make static.
1295 * tree-inline.c: Do not include ggc.h.
1297 * expr.c: Do not include ggc.h.
1299 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1302 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1305 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1306 in the middle of insns for casesi_worker_2.
1308 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1310 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1312 2010-04-22 Ira Rosen <irar@il.ibm.com>
1314 PR tree-optimization/43842
1315 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1316 loop unrolling in update of exit phis. Fix comment.
1317 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1318 least two reduction statements in the loop before starting SLP
1321 2010-04-22 Nick Clifton <nickc@redhat.com>
1323 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1325 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1327 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1330 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1332 * tree-parloops.c (loop_parallel_p): New argument
1333 parloop_obstack. Pass it down.
1334 (parallelize_loops): New variable parloop_obstack. Initialize it,
1335 pass it down, free it.
1337 * tree-loop-linear.c (linear_transform_loops): Pass down
1340 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1341 of type struct obstack *.
1343 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1344 scratch_obstack. Initialize it, pass down, free it.
1346 * lambda.h (lambda_loop_new): Remove.
1347 (lambda_matrix_new, lambda_matrix_inverse)
1348 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1349 argument of type struct obstack *.
1351 * lambda-trans.c (lambda_trans_matrix_new): New argument
1352 lambda_obstack. Pass it down, use obstack allocation for ret.
1353 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1356 * lambda-mat.c (lambda_matrix_get_column)
1357 (lambda_matrix_project_to_null): Remove.
1358 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1360 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1363 * lambda-code.c (lambda_loop_new): New function.
1364 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1365 (lambda_compute_auxillary_space, lambda_compute_target_space)
1366 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1367 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1368 (build_access_matrix): New argument lambda_obstack. Use obstack
1370 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1371 argument lambda_obstack. Pass it down.
1373 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1375 * optabs.h (expand_widening_mult): Declare.
1377 2010-04-22 Richard Guenther <rguenther@suse.de>
1379 PR tree-optimization/43845
1380 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1381 lookup the CALL_EXPR function and arguments.
1383 2010-04-22 Nick Clifton <nickc@redhat.com>
1385 * config/stormy16/stormy16.c
1386 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1387 * config/stormy16/stormy16.h: Tidy up formatting.
1388 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1389 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1390 (ineqbranchsi): Delete pattern.
1391 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1392 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1393 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1394 stormy16-lib2-ucmpsi2.c.
1396 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1398 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1399 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1400 extra set merge_set_noclobber, and use it to relax the final test
1402 * df.h (df_simulate_find_noclobber_defs): Declare.
1403 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1405 (df_simulate_find_noclobber_defs): New function.
1407 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1409 * config/i386/i386.md: Use {} around multi-line preparation statements.
1411 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1413 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1414 (process_init_element): New argument of type struct obstack *.
1416 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1417 (set_init_index, set_init_label, set_nonincremental_init)
1418 (set_nonincremental_init_from_string, find_init_member)
1419 (output_init_element, output_pending_init_elements)
1420 (process_init_element): New argument braced_init_obstack. Pass it
1422 (push_range_stack, add_pending_init): New argument
1423 braced_init_obstack. Use obstack allocation.
1425 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1426 braced_init_obstack. Pass it down.
1427 (c_parser_braced_init): New variables ret, braced_init_obstack.
1428 Initialize obstack, pass it down and finally free it.
1430 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1433 * tree-pass.h (pass_optimize_widening_mul): Declare.
1434 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1435 gate_optimize_widening_mul): New static functions.
1436 (pass_optimize_widening_mul): New.
1437 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1438 <case MULT_EXPR>: Remove support for widening multiplies.
1439 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1440 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1441 simplify_gen_unary rather than directly building extensions.
1442 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1444 * expmed.c (expand_widening_mult): New function.
1445 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1447 2010-04-21 Jan Hubicka <jh@suse.cz>
1449 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1450 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1451 * lto-wpa-fixup.c: Remove.
1452 * Makefile.in (lto-wpa-fixup.o): Remove.
1453 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1454 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1455 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1457 2010-04-21 Jan Hubicka <jh@suse.cz>
1459 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1460 add write_optimization_summary, read_optimization_summary.
1461 (ipa_write_summaries_of_cgraph_node_set): Remove.
1462 (ipa_write_optimization_summaries): Declare.
1463 (ipa_read_optimization_summaries): Declare.
1464 * ipa-cp.c (pass_ipa_cp): Update.
1465 * ipa-reference.c (pass_ipa_reference): Update.
1466 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1467 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1469 * ipa-inline.c (pass_ipa_inline): Update.
1470 * ipa.c (pass_ipa_whole_program): Update.
1471 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1472 * passes.c (ipa_write_summaries_1): Do not test wpa.
1473 (ipa_write_optimization_summaries_1): New.
1474 (ipa_write_optimization_summaries): New.
1475 (ipa_read_summaries): Do not test ltrans.
1476 (ipa_read_optimization_summaries_1): New.
1477 (ipa_read_optimization_summaries): New.
1479 2010-04-21 Jan Hubicka <jh@suse.cz>
1481 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1483 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1485 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1488 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1489 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1491 2010-04-21 Jan Hubicka <jh@suse.cz>
1493 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1495 2010-04-21 Jan Hubicka <jh@suse.cz>
1497 * varpool.c (decide_is_variable_needed): Variable is always needed
1500 2010-04-21 Jan Hubicka <jh@suse.cz>
1502 * opts.c (decode_options): Enable pure-const pass for whopr.
1504 2010-04-21 Jan Hubicka <jh@suse.cz>
1506 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1507 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1509 (cgraph_decide_inlining): Do not expect callee to be removed in all
1512 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1514 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1516 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1518 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1519 amdfam10_decode attributes.
1521 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1524 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1525 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1526 (lower_copyprivate_clauses): Use private var in outer
1527 context instead of original var. Make sure the types
1528 are correct for VLAs.
1530 2010-04-21 Richard Guenther <rguenther@suse.de>
1532 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1533 to non-pointer objects.
1535 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1537 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1538 last chain entry if it starts with the still current label.
1539 (add_location_or_const_value_attribute): Check that
1540 loc_list->first->next is NULL instead of comparing ->first with ->last.
1541 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1542 to add_var_loc_to_decl.
1544 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1545 >= 4 add also address size and segment size fields into CIE header.
1547 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1548 long as address size is the same as sizeof (void *) and
1550 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1551 address size or segment size is unexpected, return DW_EH_PE_omit.
1552 (classify_object_over_fdes): If get_cie_encoding returned
1553 DW_EH_PE_omit, return -1.
1554 (init_object): If classify_object_over_fdes returned -1,
1555 pretend there were no FDEs at all.
1557 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1559 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1560 bswap{si,di}2 using SWI48 mode iterator.
1561 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1562 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1563 set modrm attribute of bswap insn to 0 and remove length attribute.
1564 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1565 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1566 set mode attribute to <MODE> and remove length attribute.
1568 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1570 PR rtl-optimization/43520
1571 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1572 zero available registers.
1574 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1576 * builtins.c (fold_builtin_cproj): Fold more cases.
1578 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1580 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1581 (fold_builtin_1): Fold builtin cproj.
1582 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1583 Use ATTR_CONST_NOTHROW_LIST.
1585 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1587 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1588 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1589 ffsi2_no_cmove for !TARGET_CMOVE.
1590 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1591 (ffssi2): Remove expander.
1592 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1594 (ctz<mode>2): Ditto from ctz{si,di}2.
1595 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1597 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1600 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1602 * dwarf2out.c (AT_linkage_name): Define.
1603 (clone_as_declaration): Handle DW_AT_linkage_name.
1604 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1605 of DW_AT_MIPS_linkage_name.
1606 (move_linkage_attr): Likewise.
1607 (dwarf2out_finish): Likewise.
1609 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1612 * fold-const.c (fold_comparison): New folding rule.
1614 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1616 * double-int.h (double_int_setbit): Declare.
1617 * double-int.c (double_int_setbit): New function.
1618 * rtl.h (immed_double_int_const): Declare.
1619 * emit-rtl.c (immed_double_int_const): New function.
1620 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1621 and immed_double_int_const functions.
1622 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1623 expand_copysign_bit): (Ditto.).
1624 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1625 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1626 * dojump.c (prefer_and_bit_test): (Ditto.).
1627 * expr.c (convert_modes, reduce_to_bit_field_precision,
1628 const_vector_from_tree): (Ditto.).
1629 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1631 2010-04-20 Jan Hubicka <jh@suse.cz>
1633 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1634 (dump_cgraph_node): Dump new flags.
1635 * cgraph.h (struct cgraph_node): Add flags
1636 reachable_from_other_partition and in_other_partition.
1637 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1638 other partition can not be removed.
1639 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1640 the other partition must be output; silence sanity checking on
1641 leaking functions bodies from other paritition.
1642 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1643 (lto_output_node): Output new flags; do not sanity check that inline
1644 clones are output; drop lto_forced_extern_inline_p code; do not mock
1645 visibility flags at partition boundaries.
1646 (add_node_to): New function.
1647 (output_cgraph): Use it to sort functions so masters appear before
1649 (input_overwrite_node): Input new flags.
1650 * passes.c (ipa_write_summaries): Do not call
1651 lto_new_extern_inline_states.
1652 * lto-section-out.c (forced_extern_inline,
1653 lto_new_extern_inline_states lto_delete_extern_inline_states,
1654 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1655 * lto-streamer.h (lto_new_extern_inline_states,
1656 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1657 lto_forced_extern_inline_p): Kill.
1659 2010-04-20 Richard Guenther <rguenther@suse.de>
1661 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1662 from vars that can have pointers.
1663 (process_constraint): Dump useless constraints.
1665 2010-04-20 Richard Guenther <rguenther@suse.de>
1667 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1668 (dump_sa_points_to_info): Remove asserts.
1669 (init_base_vars): nothing_id isn't an escape point nor does it
1672 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1674 * tree.h (TYPE_REF_IS_RVALUE): Define.
1675 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1676 should_move_die_to_comdat, prune_unused_types_walk): Handle
1677 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1678 (modified_type_die, gen_reference_type_die): Emit
1679 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1680 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1682 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1685 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1686 calls for -fpic -m31 if they have been sibcall optimized.
1688 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1690 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1691 ar.lc fixed and call-used.
1693 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1695 2010-04-19 Jan Hubicka <jh@suse.cz>
1697 * opts.c (decode_options): Disable whpr incompatible passes.
1698 * lto/lto.c (lto_1_to_1_map): Skip clones.
1699 (read_cgraph_and_symbols): Do not mark everything as needed.
1700 (do_whole_program_analysis): Do map only after optimizing;
1701 set proper cgraph_state; use passmanager.
1703 2010-04-19 DJ Delorie <dj@redhat.com>
1705 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1706 POINTER_PLUS_EXPR and fix them.
1708 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1710 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1711 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1712 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1713 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1714 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1715 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1716 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1717 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1718 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1719 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1720 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1722 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1724 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1725 (check_cond_move_block): Likewise.
1726 (cond_move_process_if_block): Likewise.
1727 (noce_find_if_block): Improve formatting.
1728 (find_if_header): Pass 0 to memset and tweak conditions.
1729 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1731 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1733 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1737 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1738 with non-local decl doesn't need chain.
1740 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1742 * ira-color.c (allocno_reload_assign): Avoid accumulating
1743 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1745 2010-04-19 Martin Jambor <mjambor@suse.cz>
1747 * gimple.h (create_tmp_reg): Declare.
1748 * gimplify.c (create_tmp_reg): New function.
1749 (gimplify_return_expr): Use create_tmp_reg.
1750 (gimplify_omp_atomic): Likewise.
1751 (gimple_regimplify_operands): Likewise.
1752 * tree-dfa.c (make_rename_temp): Likewise.
1753 * tree-predcom.c (predcom_tmp_var): Likewise.
1754 (reassociate_to_the_same_stmt): Likewise.
1755 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1756 (get_replaced_param_substitute): Likewise.
1757 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1758 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1759 * tree-ssa-pre.c (get_representative_for): Likewise.
1760 (create_expression_by_pieces): Likewise.
1761 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1762 (create_tailcall_accumulator): Likewise.
1764 2010-04-19 Martin Jambor <mjambor@suse.cz>
1766 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1768 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1770 2010-04-19 Richard Guenther <rguenther@suse.de>
1772 PR tree-optimization/43796
1773 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1774 from SCEV in the lattice.
1775 (vrp_visit_phi_node): Dump change.
1777 2010-04-19 Richard Guenther <rguenther@suse.de>
1779 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1780 * configure: Re-generated.
1782 2010-04-19 Richard Guenther <rguenther@suse.de>
1784 PR tree-optimization/43783
1785 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1786 constant ARRAY_REF operands two and three if possible.
1788 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1791 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1793 2010-04-19 Jie Zhang <jie@codesourcery.com>
1796 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1798 2010-04-19 Ira Rosen <irar@il.ibm.com>
1800 PR tree-optimization/37027
1801 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1802 and macro to access it.
1803 (vectorizable_reduction): Add argument.
1804 (vect_get_slp_defs): Likewise.
1805 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1806 statements for possible use in SLP.
1807 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1808 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1809 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1811 (vectorizable_reduction): Likewise.
1812 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1814 (vectorizable_type_demotion, vectorizable_type_promotion,
1815 vectorizable_store): Likewise.
1816 (vect_analyze_stmt): Update call to vectorizable_reduction.
1817 (vect_transform_stmt): Likewise.
1818 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1819 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1820 from different interleaving chains in same node.
1821 (vect_slp_rearrange_stmts): New function.
1822 (vect_supported_load_permutation_p): Allow load permutations for
1823 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1824 inside SLP nodes if necessary.
1825 (vect_analyze_slp_instance): Handle reductions.
1826 (vect_analyze_slp): Try to build SLP instances originating from groups
1828 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1829 (vect_get_constant_vectors): Create initial vectors for reductions
1830 according to reduction code. Add new argument.
1831 (vect_get_slp_defs): Add new argument, pass it to
1832 vect_get_constant_vectors.
1833 (vect_schedule_slp_instance): Remove SLP tree root statements.
1835 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1837 * tree.h (ENUM_IS_SCOPED): Define.
1838 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1839 for ENUM_IS_SCOPED enums.
1841 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1843 * fold-const.c (fold_comparison): Use ssizetype.
1844 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1845 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1846 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1847 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1849 * tree.h (initialize_sizetypes): Remove parameter.
1850 (build_common_tree_nodes): Remove second parameter.
1851 * stor-layout.c (initialize_sizetypes): Remove parameter.
1852 Always create an unsigned type.
1853 (set_sizetype): Assert that the passed type is unsigned and simplify.
1854 * tree.c (build_common_tree_nodes): Remove second parameter.
1855 Adjust call to initialize_sizetypes.
1856 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1857 build_common_tree_nodes.
1859 2010-04-18 Matthias Klose <doko@ubuntu.com>
1861 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1863 2010-04-18 Ira Rosen <irar@il.ibm.com>
1865 PR tree-optimization/43771
1866 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1867 load permutation doesn't have gaps.
1869 2010-04-18 Jan Hubicka <jh@suse.cz>
1871 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1872 (sse_prologue_save_insn expander): Use new pattern.
1873 (sse_prologue_save_insn1): New pattern and splitter.
1874 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1876 * i386.c (setup_incoming_varargs_64): Do not compute jump
1878 (ix86_gimplify_va_arg): Update alignment needed.
1879 (ix86_local_alignment): Do not align all local arrays to 128bit.
1881 2010-04-17 Jan Hubicka <jh@suse.cz>
1883 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1885 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1887 * arm.md (negdi2): Remove redundant code to force values into a
1890 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1892 * arm/bpabi.S: Add EABI alignment attributes to objects.
1893 * arm/bpabi-v6m.S: Likewise.
1894 * arm/crti.asm: Likewise.
1895 * arm/crtn.asm: Likewise.
1896 * arm/lib1funcs.asm: Likewise.
1897 * arm/libunwind.S: Likewise.
1899 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1901 * arm-protos.h (tune_params): New structure.
1902 * arm.c (current_tune): New variable.
1903 (arm_constant_limit): Delete.
1904 (struct processors): Add pointer to the tune parameters.
1905 (arm_slowmul_tune): New tuning option.
1906 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1907 (all_cores): Adjust to pick up the tuning model.
1908 (arm_constant_limit): New function.
1909 (arm_override_options): Select the appropriate tuning model. Delete
1910 initialization of arm_const_limit.
1911 (arm_split_constant): Use the new constant-limit model.
1912 (arm_rtx_costs): Pick up the current tuning model.
1913 * arm.md (is_strongarm, is_xscale): Delete.
1914 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1915 for Xscale variant architectures.
1916 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1918 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1920 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1922 (arm_rtx_costs_1): Remove unused variable extra_cost.
1923 (arm_unwind_emit_set): Use variable offset.
1924 (thumb1_output_casesi): Remove unused variable flags.
1926 2010-04-16 Jeff Law <law@redhat.com>
1928 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1929 needing assignment rather than doing a two-phase assignment. Remove
1930 unused variable 'm'.
1932 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1935 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1937 2010-04-16 Doug Kwan <dougkwan@google.com>
1939 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1940 (next_operand_entry_id): New static variable.
1941 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1942 (add_to_ops_vec): Assigned unique ID to operand entry.
1943 (struct oecount_s): New field ID.
1944 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1945 (undistribute_ops_list): Assign unique IDs to oecounts.
1946 (init_reassoc): reset next_operand_entry_id.
1948 2010-04-16 Doug Kwan <dougkwan@google.com>
1950 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1951 missing left parenthesis.
1953 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1955 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1956 *btdi_rex64 using SWI48 mode iterator.
1957 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1958 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1959 *jcc_btdi_mask_rex64.
1961 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1963 * double-int.h (tree_to_double_int): Convert to macro.
1964 * double-int.c (tree_to_double_int): Remove.
1966 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1969 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1970 with want_address 2 and in case a single element list might be
1971 possible, call it again with want_address 0.
1973 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1975 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1976 case 'W' print operands for HI mode.
1977 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1978 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1979 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1980 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1982 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1984 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1985 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1986 #xx:3 and #xx:4 mode.
1988 * config/h8300/h8300.md (inverted load with HImode dest): Add
1989 support for H8300SX.
1991 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1992 satisfy 'U' constraint.
1994 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1996 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1997 * configure: Regenerate.
1998 * config.in: Regenerate.
1999 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2002 2010-04-16 Richard Guenther <rguenther@suse.de>
2004 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2005 (struct tree_decl_common): ... here.
2006 (DECL_PT_UID): Adjust.
2007 (SET_DECL_PT_UID): Likewise.
2008 (DECL_PT_UID_SET_P): Likewise.
2010 2010-04-16 Richard Guenther <rguenther@suse.de>
2012 PR tree-optimization/43572
2013 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2014 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2015 * tree-flow.h (is_call_clobbered): Remove.
2016 * tree-flow-inline.h (is_call_clobbered): Likewise.
2017 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2018 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2019 (execute_return_slot_opt): Adjust.
2020 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2021 check for call clobbered vars here.
2022 (find_tail_calls): Move tailcall verification to the
2025 2010-04-16 Diego Novillo <dnovillo@google.com>
2027 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2029 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2032 * config/arm/arm.md (cbranchqi4): New pattern.
2033 * config/arm/predicates.md (const0_operand,
2034 cbranchqi4_comparison_operator): New predicates.
2036 2010-04-16 Richard Guenther <rguenther@suse.de>
2038 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2039 (dump_gimple_stmt): Likewise.
2041 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2043 * recog.h (struct recog_data): New field is_operator.
2044 (struct insn_operand_data): New field is_operator.
2045 * recog.c (extract_insn): Set recog_data.is_operator.
2046 * genoutput.c (output_operand_data): Emit code to set the
2048 * reload.c (find_reloads): Use it rather than testing for an
2049 empty constraint string.
2052 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2053 If the previous insn is a cbranchsi4_insn with the same arguments,
2054 omit the compare instruction.
2056 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2057 register, inputs must be low registers and we need a low register
2058 scratch. Handle alternative 2 like alternative 3.
2060 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2062 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2063 don't call get_addr on both. If one expression is a VALUE and
2064 the other a REG, check VALUE's locs if the REG isn't among them.
2066 2010-04-16 Christian Bruel <christian.bruel@st.com>
2068 * config/sh/sh.h (sh_frame_pointer_required): New function.
2069 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2070 (flag_omit_frame_pointer) Set.
2071 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2072 (rounded_frame_size): Adjust size with outgoing_args_size.
2073 (sh_set_return_address): Must return from stack pointer.
2074 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2075 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2076 (ACCUMULATE_OUTGOING_ARGS): Define.
2077 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2078 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2080 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2083 * config/sh/sh.c (sh_legitimize_reload_address): Use
2084 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2085 Remove a unneeded check for offset_base.
2087 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2089 * configure: Regenerated.
2091 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2093 * config/s390/s390.c (s390_call_save_register_used): Switch back
2094 to HARD_REGNO_NREGS.
2096 2010-04-15 Richard Guenther <rguenther@suse.de>
2098 * alias.c (alias_set_subset_of): Handle alias-set zero
2101 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2102 Julian Brown <julian@codesourcery.com>
2104 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2105 alternatives according to use of high and low regs.
2106 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2107 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2108 optimizing for size on Thumb-2.
2110 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2112 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2114 2010-04-15 Richard Guenther <rguenther@suse.de>
2116 * tree-ssa-structalias.c (struct variable_info): Add
2118 (new_var_info): Initialize it.
2119 (dump_constraints): Support printing last added constraints.
2120 (debug_constraints): Adjust.
2121 (dump_constraint_graph): Likewise.
2122 (make_heapvar_for): Check for NULL cfun.
2123 (get_function_part_constraint): New function.
2124 (get_fi_for_callee): Likewise.
2125 (find_func_aliases): Properly implement IPA PTA constraints.
2126 (process_ipa_clobber): New function.
2127 (find_func_clobbers): Likewise.
2128 (insert_into_field_list_sorted): Remove.
2129 (create_function_info_for): Properly allocate vars for IPA mode.
2130 Do not use insert_into_field_list_sorted.
2131 (create_variable_info_for): Properly generate constraints for
2132 global vars in IPA mode.
2133 (dump_solution_for_var): Always dump the solution.
2134 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2135 (find_what_var_points_to): Adjust.
2136 (pt_solution_set): Change.
2137 (pt_solution_ior_into): New function.
2138 (pt_solution_empty_p): Export.
2139 (pt_solution_includes_global): Adjust.
2140 (pt_solution_includes_1): Likewise.
2141 (pt_solutions_intersect_1): Likewise.
2142 (dump_sa_points_to_info): Check some invariants.
2143 (solve_constraints): Move constraint dumping ...
2144 (compute_points_to_sets): ... here.
2145 (ipa_pta_execute): ... and here.
2146 (compute_may_aliases): Do not re-compute points-to info
2147 locally if IPA info is available.
2148 (ipa_escaped_pt): New global var.
2149 (ipa_pta_execute): Properly implement IPA PTA.
2150 * tree-into-ssa.c (dump_decl_set): Support dumping
2151 decls not in referenced-vars.
2152 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2153 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2154 (dump_points_to_solution): Likewise.
2155 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2156 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2157 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2158 (copy_decl_to_var): Copy DECL_PT_UID.
2159 (copy_result_decl_to_var): Likewise.
2160 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2161 (copy_node_stat): Copy it.
2162 * tree.h (DECL_PT_UID): New macro.
2163 (SET_DECL_PT_UID): Likewise.
2164 (DECL_PT_UID_SET_P): Likewise.
2165 (struct tree_decl_minimal): Add pt_uid member.
2166 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2167 (pt_solution_empty_p): Declare.
2168 (pt_solution_set): Adjust.
2169 (ipa_escaped_pt): Declare.
2170 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2171 * gimple-pretty-print.c (pp_points_to_solution): New function.
2172 (dump_gimple_call): Dump call clobber/use information.
2173 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2174 * tree-pass.h (TDF_ALIAS): New dump option.
2175 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2176 * doc/invoke.texi (-fipa-pta): Update documentation.
2178 2010-04-15 Richard Guenther <rguenther@suse.de>
2180 * Makefile.in (OBJS-common): Add gimple-fold.o.
2181 (gimple-fold.o): New rule.
2182 * tree.h (maybe_fold_offset_to_reference,
2183 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2185 * gimple.h: ... here.
2186 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2187 may_propagate_address_into_dereference): Move prototypes ...
2188 * gimple.h: ... here.
2189 * tree-ssa-ccp.c (get_symbol_constant_value,
2190 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2191 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2192 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2193 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2194 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2195 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2196 gimplify_and_update_call_from_tree): Move ...
2197 * gimple-fold.c: ... here. New file.
2198 (ccp_fold_builtin): Rename to ...
2199 (gimple_fold_builtin): ... this.
2200 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2202 2010-04-15 Richard Guenther <rguenther@suse.de>
2204 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2205 fit_double_type, force_fit_type_double, add_double_with_sign,
2206 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2207 lrotate_double, rrotate_double, div_and_round_double): Move ...
2208 * double-int.c: ... here.
2209 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2210 add_double, neg_double, mul_double_with_sign, mul_double,
2211 lshift_double, rshift_double, lrotate_double, rrotate_double,
2212 div_and_round_double): Move prototypes ...
2213 * double-int.h: ... here.
2215 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2218 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2219 matching constraints to ensure inputs match the output.
2221 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2224 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2225 in an input-only operand.
2227 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2229 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2230 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2231 (double_int_negative_p): Convert to static inline function.
2232 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2233 (double_int_negative_p): Remove.
2234 * tree.h (lshift_double, rshift_double):
2235 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2236 * fold-const.c (fold_convert_const_int_from_real,
2237 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2238 (lshift_double): Change type of arith argument to bool.
2239 (rshift_double): Change type of arith argument to bool. Correct
2241 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2243 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2246 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2247 at the start and end of the then/else blocks, and omit them from the
2249 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2250 argument; all callers changed. Pass zero to old_insns_match_p instead.
2251 (flow_find_head_matching_sequence): New function.
2252 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2253 * basic-block.h (flow_find_cross_jump,
2254 flow_find_head_matching_sequence): Declare functions.
2256 2010-04-14 Jason Merrill <jason@redhat.com>
2259 * c-common.c (attribute_takes_identifier_p): New fn.
2260 * c-common.h: Declare it.
2262 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2264 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2266 (*udivmod<mode>4): Ditto.
2268 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2270 * config/i386/i386.md (maxmin_int): Rename code attribute from
2271 maxminiprefix and update all users.
2272 (maxmin_float): Ditto from maxminfprefix.
2273 (logic): Ditto from logicprefix.
2274 (absneg_mnemonic): Ditto from absnegprefix.
2275 * config/i386/mmx.md: Update all users of maxminiprefix,
2276 maxminfprefix and logicprefix for rename.
2277 * config/i386/sse.md: Ditto.
2278 * config/i386/sync.md (sync_<code><mode>): Update for
2281 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2284 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2285 warnings converted to errors.
2287 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2289 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2290 used insn_type variable.
2291 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2292 to avoid set-but-not-used warning.
2294 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2296 * df-core.c (df_ref_debug): Change format string placeholder
2298 * dwarf2asm.c (dw2_asm_output_data_raw,
2299 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2300 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2301 * dwarf2out.c (output_cfi, output_cfi_directive,
2302 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2303 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2305 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2306 * print-rtl.c (print_rtx): Ditto.
2308 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2311 * builtins.c (expand_builtin_pow_root): New function to expand pow
2312 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2313 series of sqrt and cbrt calls under -ffast-math.
2314 (expand_builtin_pow): Call it.
2316 2010-04-14 Michael Matz <matz@suse.de>
2318 PR tree-optimization/42963
2319 * tree-cfg.c (touched_switch_bbs): New static variable.
2320 (group_case_labels_stmt): New function broken out from ...
2321 (group_case_labels): ... here, use the above.
2322 (start_recording_case_labels): Allocate touched_switch_bbs.
2323 (end_recording_case_labels): Deallocate it, call
2324 group_case_labels_stmt.
2325 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2327 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2329 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2332 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2334 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2336 2010-04-13 Jan Hubicka <jh@suse.cz>
2338 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2339 of optimized out static functions.
2340 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2341 cost computation. Also sanity check for overflows.
2342 (update_caller_keys): Update cgraph_edge_badness call; properly
2343 update fibheap and sanity check that it is up to date.
2344 (add_new_edges_to_heap): Update cgraph_edge_badness.
2345 (cgraph_decide_inlining_of_small_function): Likewise;
2346 add sanity checking that badness in heap is up to date;
2347 improve dumping of reason; Update badness of calls to the
2348 offline copy of function currently inlined; dump badness
2349 of functions not inlined because of unit growth limits.
2351 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2354 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2355 because of sign-extension change when converting to sizetype here...
2356 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2358 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2359 the folding to constants. Remove redundant final conversion.
2360 (fold_binary) <associate>: Do not associate if the re-association of
2361 constants alone overflows.
2362 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2363 to the end of the list.
2364 (multiple_of_p) <COND_EXPR>: New case.
2366 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2368 * opt-functions.awk (opt_sanitized_name): New.
2370 * optc-gen.awk: Use it
2371 * opth-gen.awk: Use it.
2373 2010-04-13 Martin Jambor <mjambor@suse.cz>
2375 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2376 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2377 children. Call replace_uses_with_default_def_ssa_name to handle
2380 2010-04-13 Michael Matz <matz@suse.de>
2383 * builtins.c (expand_builtin_interclass_mathfn): Also create
2384 a register if the predicate doesn't match.
2386 2010-04-13 Diego Novillo <dnovillo@google.com>
2388 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2389 * c-pch.c: Include timevar.h.
2390 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2391 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2392 * ggc-common.c: Include timevar.h.
2393 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2394 * timevar.def (TV_PCH_SAVE): Define.
2395 (TV_PCH_CPP_SAVE): Define.
2396 (TV_PCH_PTR_REALLOC): Define.
2397 (TV_PCH_PTR_SORT): Define.
2398 (TV_PCH_RESTORE): Define.
2399 (TV_PCH_CPP_RESTORE): Define.
2401 2010-04-13 Michael Matz <matz@suse.de>
2403 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2405 (can_reassociate_p): New function.
2406 (break_up_subtract_bb, reassociate_bb): Use it.
2408 2010-04-13 Richard Guenther <rguenther@suse.de>
2411 * builtins.c (c_readstr): Fix assert.
2413 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2415 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2416 when generating cltd insn.
2418 (*ashl<mode>3_1): Remove special handling for register operand 2.
2419 (*ashlsi3_1_zext): Ditto.
2420 (*ashlhi3_1): Ditto.
2421 (*ashlhi3_1_lea): Ditto.
2422 (*ashlqi3_1): Ditto.
2423 (*ashlqi3_1_lea): Ditto.
2424 (*<shiftrt_insn><mode>3_1): Ditto.
2425 (*<shiftrt_insn>si3_1_zext): Ditto.
2426 (*<shiftrt_insn>qi3_1_slp): Ditto.
2427 (*<rotate_insn><mode>3_1): Ditto.
2428 (*<rotate_insn>si3_1_zext): Ditto.
2429 (*<rotate_insn>qi3_1_slp): Ditto.
2431 2010-04-13 Richard Guenther <rguenther@suse.de>
2433 * tree-ssa-structalias.c (callused_id): Remove.
2434 (call_stmt_vars): New.
2435 (get_call_vi): Likewise.
2436 (lookup_call_use_vi): Likewise.
2437 (lookup_call_clobber_vi): Likewise.
2438 (get_call_use_vi): Likewise.
2439 (get_call_clobber_vi): Likewise.
2440 (make_transitive_closure_constraints): Likewise.
2441 (handle_const_call): Adjust to do per-call call-used handling.
2442 (handle_pure_call): Likewise.
2443 (find_what_var_points_to): Remove general callused handling.
2444 (init_base_vars): Likewise.
2445 (init_alias_vars): Initialize call_stmt_vars.
2446 (compute_points_to_sets): Process call-used and call-clobbered
2447 vars for call statements.
2448 (delete_points_to_sets): Free call_stmt_vars.
2450 2010-04-13 Richard Guenther <rguenther@suse.de>
2452 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2453 Only add RW dependence for dependence distance zero.
2454 Adjust maximal vectorization factor according to dependences.
2455 Move alignment handling ...
2456 (vect_find_same_alignment_drs): ... here. New function.
2457 (vect_analyze_data_ref_dependences): Adjust.
2458 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2459 (vect_analyze_data_refs): Adjust minimal vectorization factor
2460 according to data references.
2461 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2462 dependences before determining the vectorization factor.
2463 Analyze alignment after determining the vectorization factor.
2464 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2465 dependences before alignment.
2466 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2468 (vect_analyze_data_refs): Likewise.
2469 (MAX_VECTORIZATION_FACTOR): New define.
2471 2010-04-13 Duncan Sands <baldrick@free.fr>
2473 * except.h (lang_eh_type_covers): Remove.
2474 * except.c (lang_eh_type_covers): Likewise.
2476 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2477 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2479 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2480 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2481 UNITS_PER_LONG where it is ABI relevant.
2482 (s390_return_addr_rtx): Likewise.
2483 (s390_back_chain_rtx): Likewise.
2484 (s390_frame_area): Likewise.
2485 (s390_frame_info): Likewise.
2486 (s390_initial_elimination_offset): Likewise.
2487 (save_gprs): Likewise.
2488 (s390_emit_prologue): Likewise.
2489 (s390_emit_epilogue): Likewise.
2490 (s390_function_arg_advance): Likewise.
2491 (s390_function_arg): Likewise.
2492 (s390_va_start): Likewise.
2493 (s390_gimplify_va_arg): Likewise.
2494 (s390_function_profiler): Likewise.
2495 (s390_optimize_prologue): Likewise.
2496 (s390_rtx_costs): Likewise.
2497 (s390_secondary_reload): Likewise.
2498 (s390_promote_function_mode): Likewise.
2499 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2500 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2501 registers available.
2502 (s390_unwind_word_mode): New function.
2503 (s390_function_value): Split 64 bit values into register pair if
2504 used as return value.
2505 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2506 function call parameters. Handle parallels.
2507 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2508 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2509 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2510 (s390_expand_setmem): Remove unused variable src_addr.
2511 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2512 deal with 64 bit registers.
2513 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2514 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2515 (UNITS_PER_LONG): New macro.
2516 * libjava/include/s390-signal.h: Define extended ucontext
2517 structure containing the upper halfs of the 64 bit registers.
2519 2010-04-13 Simon Baldwin <simonb@google.com>
2521 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2523 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2525 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2526 rvalue on the RHS if the LHS is of a non-renamable type.
2527 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2529 2010-04-13 Matthias Klose <doko@ubuntu.com>
2531 * gcc.c (cc1_options): Handle -iplugindir before processing
2532 the cc1 spec. Only add -iplugindir once.
2533 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2535 * common.opt (iplugindir): Remove `Separate' property, initialize.
2536 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2538 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2539 (distclean): Remove plugin dir.
2540 * doc/invoke.texi: Document -iplugindir.
2542 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2544 * doc/plugins.texi (Loading Plugins): Document short
2545 -fplugin=foo option.
2546 (Plugin API): Mention default_plugin_dir_name function.
2548 * gcc.c (find_file_spec_function): Add new declaration.
2549 (static_spec_func): Use it for "find-file".
2550 (find_file_spec_function): Add new function.
2551 (cc1_options): Add -iplugindir option if -fplugin* options found.
2553 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2555 * plugin.c (add_new_plugin): Updated comment, and handle short
2557 (default_plugin_dir_name): Added new function.
2559 * common.opt (iplugindir): New option to set the plugin directory.
2561 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2563 * config/i386/i386.md (any_rotate): New code iterator.
2564 (rotate_insn): New code attribute.
2566 (SWIM124): New mode iterator.
2567 (<rotate_insn>ti3): New expander.
2568 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2569 any_rotate code iterator.
2570 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2571 using any_rotate code iterator and SWIM124 mode iterator.
2572 (ix86_rotlti3): New insn_and_split pattern.
2573 (ix86_rotrti3): Ditto.
2574 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2575 ix86_rotl{di,ti}3 patterns.
2576 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2577 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2578 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2579 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2580 code iterator and SWI mode iterator.
2581 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2582 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2584 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2585 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2586 (bswap rotatert splitter): Add splitter.
2587 (bswap splitter): Macroize splitter using any_rotate code iterator.
2588 Add insn predicate to split only for TARGET_USE_XCHGB or when
2589 optimizing function for size.
2591 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2593 * config/pa/pa.c (emit_move_sequence): Remove use of
2594 deleted variable flag_argument_noalias.
2596 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2598 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2600 Add to unsupported targets list.
2601 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2602 sparc*-sun-solaris2.[567]* from target lists.
2603 * configure: Regenerate.
2604 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2606 Remove Solaris 7 patch references.
2607 (Specific, sparc-sun-solaris2.7): Removed.
2608 (sparc-sun-solaris2*): Update Solaris 7 example.
2609 (sparc64-*-solaris2*): Likewise.
2611 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2613 * config.build (alpha*-dec-osf4*): Remove.
2614 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2615 of obsolete configurations.
2616 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2618 * config/alpha/t-osf4: Renamed to ...
2619 * config/alpha/t-osf5: ... this.
2620 * config/alpha/osf.h: Renamed to ...
2621 * config/alpha/osf5.h: ... this.
2622 Merged old osf5.h contents.
2624 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2625 (EXTRA_SPECS): Removed.
2626 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2627 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2630 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2632 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2634 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2637 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2638 __thiscall convention.
2640 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2642 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2644 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2646 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2648 * function.c (assign_parms_initialize_all): Add unused attribute
2651 2010-04-12 Richard Guenther <rguenther@suse.de>
2653 * gsstruct.def (GSS_CALL): New.
2654 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2655 * gimple.h: Include tree-ssa-alias.h.
2656 (struct gimple_statement_call): New.
2657 (union gimple_statement_struct_d): Add gimple_call member.
2658 (gimple_call_reset_alias_info): Declare.
2659 (gimple_call_use_set): New function.
2660 (gimple_call_clobber_set): Likewise.
2661 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2662 * gimple.c (gimple_call_reset_alias_info): New function.
2663 (gimple_build_call_1): Call it.
2664 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2665 * tree-inline.c (remap_gimple_stmt): Likewise.
2666 (expand_call_inline): Remove callused handling.
2667 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2668 * tree-dfa.c (dump_variable): Likewise.
2669 * tree-parloops.c (parallelize_loops): Likewise.
2670 * tree-ssa.c (init_tree_ssa): Likewise.
2671 (delete_tree_ssa): Likewise.
2672 * tree-flow-inline.h (is_call_used): Remove.
2673 * tree-flow.h (struct gimple_df): Remove callused member.
2674 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2675 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2676 (ref_maybe_used_by_call_p_1): Simplify.
2677 (call_may_clobber_ref_p_1): Likewise.
2678 * tree-ssa-structalias.c (compute_points_to_sets): Set
2679 the call stmt used and clobbered sets.
2680 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2681 (find_tail_calls): Verify the tail call.
2683 2010-04-12 Richard Guenther <rguenther@suse.de>
2685 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2686 single-iteration always-inline inlining.
2687 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2688 (cgraph_decide_inlining): Do not handle always-inline specially.
2689 (try_inline): Remove always-inline cycle detection special case.
2690 Do not recurse on always-inlines.
2691 (cgraph_early_inlining): Do not iterate if not optimizing.
2692 (cgraph_gate_early_inlining): remove.
2693 (pass_early_inline): Run unconditionally.
2694 (gate_cgraph_decide_inlining): New function.
2695 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2696 not inlining or optimizing.
2697 (cgraph_decide_inlining_of_small_functions): Also consider
2698 always-inline functions.
2699 (cgraph_default_inline_p): Return true for nodes which should
2700 disregard inline limits.
2701 (estimate_function_body_sizes): Assume zero size and time for
2702 nodes which are marked as disregarding inline limits.
2703 (cgraph_decide_recursive_inlining): Do not perform recursive
2704 inlining on always-inline nodes.
2706 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2709 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2710 for exprs satisfying handled_component_p.
2712 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2714 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2715 non-constant aggregate elements.
2717 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2718 is a real initialization.
2720 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2723 * c-decl.c (start_function): Move forward check for nested function.
2725 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2727 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2728 * config/sh/sh.c: Include reload.h.
2729 (sh_legitimize_reload_address): New.
2730 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2731 sh_legitimize_reload_address.
2733 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2735 * config/sh/sh.md (*movqi_pop): New insn pattern.
2736 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2738 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2740 * config/i386/i386.md (any_shiftrt): New code iterator.
2741 (shiftrt_insn): New code attribute.
2743 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2744 using any_shiftrt code iterator.
2745 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2746 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2747 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2748 pattern from corresponding peephole2 patterns.
2749 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2750 using any_shiftrt code iterator.
2751 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2752 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2753 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2754 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2755 *{ashr,lshr}<mode>3_cmp_zext.
2756 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2758 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2760 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2762 (*lshr<mode>3_cconly): Ditto.
2764 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2766 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2767 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2768 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2769 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2771 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2772 from corresponding peephole2 patterns.
2773 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2774 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2775 and *lshrdi3_1_rex64 using SWI mode iterator.
2776 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2777 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2778 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2779 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2780 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2781 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2782 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2783 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2784 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2787 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2789 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2790 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2791 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2792 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2794 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2795 from corresponding peephole2 patterns.
2796 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2797 (ashrsi3_cvt): Rename from ashrsi3_31.
2798 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2799 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2800 and x86_64_shift_adj_3 using SWI48 mode iterator.
2801 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2802 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2803 and *ashrdi3_1_rex64 using SWI mode iterator.
2804 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2805 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2806 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2807 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2808 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2809 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2810 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2811 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2812 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2814 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2815 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2816 x86_shift<mode>_adj_3 expanders.
2818 2010-04-10 Wei Guozhi <carrot@google.com>
2821 * config/arm/arm.c (arm_pic_static_addr): New function.
2822 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2824 (arm_output_addr_const_extra): Output expression for new pattern.
2825 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2827 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2829 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2832 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2833 * web.c: Include "insn-config.h" and "recog.h".
2834 (union_match_dups): New function.
2835 (web_main): Call it.
2836 (union_defs): Don't try to recognize match_dups.
2838 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2839 if doing so would replace the entire pattern.
2841 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2845 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2846 and splitter pattern. Change splitter operand 1 predicate to
2849 2010-04-09 Martin Jambor <mjambor@suse.cz>
2851 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2852 lattices are addresses of CONST_DECLs with the same initial value.
2853 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2854 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2856 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2857 Bernd Schmidt <bernds@codesourcery.com>
2859 * loop-invariant.c (replace_uses): New static function.
2860 (move_invariant_reg): Use it to ensure we can replace the uses.
2862 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2864 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2866 (picochip_override_options): Enable section anchors only above -O1.
2867 (picochip_reorg): Fixed a couple of build warnings.
2869 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2871 * configure.ac (plugin -rdynamic test): Log result.
2872 * configure: Regenerate.
2873 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2874 (RDYNAMIC_SPEC): Define.
2875 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2877 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2879 * configure.ac: Determine Sun ld version numbers.
2880 (comdat_group): Restrict GNU ld version checks to gld.
2881 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2882 (enable_comdat): Support --enable-comdat.
2883 * configure: Regenerate.
2884 * doc/install.texi (Configuration): Document --enable-comdat.
2886 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2888 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2889 * config/sol2-gld.h: ... here.
2890 * config.gcc (sparc*-*-solaris2*): Reflect this.
2891 (i[34567]86-*-solaris2*): Use it.
2893 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2895 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2897 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2899 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2902 * diagnostic.c (diagnostic_initialize): Initialize
2903 some_warnings_are_errors.
2904 (diagnostic_finish): New.
2905 (diagnostic_action_after_output): Call it before exiting.
2906 (diagnostic_report_diagnostic): Do not print message here. Set
2907 some_warnings_are_errors.
2908 * diagnostic.h (diagnostic_context): Delete
2909 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2910 (diagnostic_finish): Declare.
2911 * toplev.c (toplev_main): Call it before exit.
2913 2010-04-09 Jason Merrill <jason@redhat.com>
2916 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2917 for incomplete type.
2920 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2921 based on a warning flag.
2923 2010-04-09 Richard Guenther <rguenther@suse.de>
2925 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2927 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2930 * varasm.c (default_assemble_visibility): Wrap vars that are
2931 set, but unused, by targets without GAS.
2932 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2933 Remove set, but unused, vars.
2934 (rs6000_legitimize_tls_address): Likewise.
2935 (altivec_expand_dst_builtin): Likewise.
2936 * config/darwin.c (machopic_classify_symbol): Likewise.
2937 (machopic_indirection_name): Likewise.
2939 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2941 * config/i386/i386.md (DWI): New mode iterator.
2942 (S): New mode attribute.
2943 (shift_operand): Ditto.
2944 (shift_immediate_operand): Ditto.
2945 (ashl_input_operand): Ditto.
2946 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2947 using SDWIM mode iterator.
2948 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2949 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2951 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2952 from corresponding peephole2 patterns.
2953 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2954 and x86_64_shift_adj_1 using SWI48 mode iterator.
2955 (x86_shift<mode>_adj_2): Ditto.
2956 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2957 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2958 using SWI48 mode iterator.
2959 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2960 *ashldi3_cmp_rex64 using SWI mode iterator.
2961 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2962 *ashldi3_cconly_rex64 using SWI mode iterator.
2963 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2964 x86_shift<mode>_adj_{1,2}.
2965 (ix86_split_ashr): Ditto.
2966 (ix86_split_lshr): Ditto.
2968 2010-04-09 Richard Guenther <rguenther@suse.de>
2970 * target.h (builtin_conversion): Pass in input and output types.
2971 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2972 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2973 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2974 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2976 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2978 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2980 2010-04-09 Richard Guenther <rguenther@suse.de>
2983 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2985 2010-04-09 Richard Guenther <rguenther@suse.de>
2987 * tree-vectorizer.h (struct _stmt_vec_info): Document
2988 that vectype is the type of the LHS.
2989 (supportable_widening_operation, supportable_narrowing_operation):
2990 Get both input and output vector types as arguments.
2991 (vect_is_simple_use_1): Declare.
2992 (get_same_sized_vectype): Likewise.
2993 * tree-vect-loop.c (vect_determine_vectorization_factor):
2994 Set STMT_VINFO_VECTYPE to the vector type of the def.
2995 (vectorizable_reduction): Adjust.
2996 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2997 Adjust. Specify the output vector type.
2998 (vect_pattern_recog_1): Adjust.
2999 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3000 (vectorizable_call): Adjust.
3001 (vectorizable_conversion): Likewise.
3002 (vectorizable_operation): Likewise.
3003 (vectorizable_type_demotion): Likewise.
3004 (vectorizable_type_promotion): Likewise.
3005 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3007 (vect_is_simple_use_1): New function.
3008 (supportable_widening_operation): Get both input and output
3010 (supportable_narrowing_operation): Likewise.
3011 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3013 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3015 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3016 __thiscall and _thiscall as predefined macros.
3017 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3018 thiscall attribute handling.
3019 (ix86_comp_type_attributes): Likewise.
3020 (ix86_function_regparm): Likewise.
3021 (ix86_return_pops_args): Likewise.
3022 (init_cumulative_args): Likewise.
3023 (find_drap_reg): Likewise.
3024 (ix86_static_chain): Likewise.
3025 (x86_this_parameter): Likewise.
3026 (x86_output_mi_thunk): Likewise.
3027 (ix86_attribute_table): Add description for thiscall attribute.
3028 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3029 * doc/extend.texi: Add documentation for thiscall.
3031 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3034 * c.opt (Wint-to-pointer-cast): Available in C++.
3035 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3037 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3039 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3040 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3041 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3042 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3043 function type instead. Reorder and simplify checks.
3045 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3047 2010-04-08 Jing Yu <jingyu@google.com>
3048 Zdenek Dvorak <ook@ucw.cz>
3050 PR tree-optimization/42720
3051 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3052 loop unswitch conditions here from ...
3053 (tree_unswitch_single_loop): ... here.
3055 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3057 * tree-if-conv.c: Fix comments and simplify logic.
3059 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3061 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3062 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3063 (main_tree_if_conversion): Update call to tree_if_conversion.
3065 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3068 * doc/invoke.texi (-b,-V): Delete.
3069 * doc/tm.texi: Do not mention -b.
3070 * gcc.c (display_help): Delete -b and -V.
3071 (process_command): Delete -b and -V.
3072 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3074 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3075 Wolfgang Gellerich <gellerich@de.ibm.com>
3077 Implement target hook for loop unrolling
3078 * target.h (loop_unroll_adjust): Add a new target hook function.
3079 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3080 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3081 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3082 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3083 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3085 (decide_unroll_stupid): Likewise.
3087 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3090 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3092 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3094 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3095 (Specific, *-*-solaris2*): Likewise.
3096 Don't prefer Sun as over GNU as.
3098 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3100 * config/s390/s390.c (override_options): Adjust the z10
3101 defaults for max-unroll-times, max-completely-peeled-insns
3102 and max-completely-peel-times.
3104 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3106 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3107 instructions for z10.
3108 (s390_expand_setmem): Likewise.
3109 (s390_expand_cmpmem): Likewise.
3111 2010-04-08 Richard Guenther <rguenther@suse.de>
3113 PR tree-optimization/43679
3114 * tree-ssa-pre.c (eliminate): Only propagate copies.
3116 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3119 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3120 set but not used variable warning.
3122 2010-04-08 Wei Guozhi <carrot@google.com>
3125 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3126 (arm_size_rtx_costs): Call the new function when optimized for size.
3128 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3131 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3132 op0 is not a MEM, just return NULL instead of assertion
3134 (discover_nonconstant_array_refs): Don't walk debug stmts.
3136 2010-04-08 Doug Kwan <dougkwan@google.com>
3138 * configure.ac: Recognize gold and do not use its version number
3139 to test ld features.
3140 * configure: Regenerate.
3142 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3145 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3146 (negate_value): Move code to push elements to broken_up_substracts ...
3147 (eliminate_plus_minus_pair): ... here. Push operands that have no
3148 negative pair to plus_negates.
3149 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3151 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3153 * doc/install.texi (Configuration): Move description of
3154 --enable-lto, --with-libelf*, --enable-gold from Java section to
3157 * doc/generic.texi (Working with declarations)
3158 (Function Properties, C and C++ Trees): Fix typos.
3159 * doc/sourcebuild.texi (Top Level): Likewise.
3161 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3164 * tree.h (DECL_READ_P): Define.
3165 (struct tree_decl_common): Add decl_read_flag.
3166 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3167 a set but not used warning.
3168 (merge_decls): Merge DECL_READ_P flag.
3169 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3170 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3171 * c-common.c (handle_used_attribute, handle_unused_attribute):
3173 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3175 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3177 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3178 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3179 c_parser_binary_expression, c_parser_cast_expression,
3180 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3181 Call default_function_array_read_conversion instead of
3182 default_function_array_conversion where needed.
3183 (c_parser_unary_expression, c_parser_conditional_expression,
3184 c_parser_postfix_expression_after_primary, c_parser_initelt):
3185 Likewise. Call mark_exp_read where needed.
3186 (c_parser_statement_after_labels, c_parser_asm_operands,
3187 c_parser_typeof_specifier, c_parser_sizeof_expression,
3188 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3190 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3192 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3193 (warn_unused_but_set_parameter): Default to warn_unused
3195 * doc/invoke.texi: Document -Wunused-but-set-variable and
3196 -Wunused-but-set-parameter.
3198 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3199 used count variable.
3200 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3201 when operandN variables aren't used in the body of the expander
3203 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3204 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3205 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3206 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3207 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3208 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3209 * tree.c (PROCESS_ARG): Likewise.
3211 2010-04-07 Simon Baldwin <simonb@google.com>
3213 * diagnostic.h (diagnostic_override_option_index): New macro to
3214 set a diagnostic's option_index.
3215 * c-tree.h (c_cpp_error): Add warning reason argument.
3216 * opts.c (_warning_as_error_callback): New.
3217 (register_warning_as_error_callback): Store callback for
3218 warnings enabled via enable_warning_as_error.
3219 (enable_warning_as_error): Call callback, minor code tidy.
3220 * opts.h (register_warning_as_error_callback): Declare.
3221 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3222 response to -Werror=.
3223 (c_common_init_options): Register warning_as_error_callback in opts.c.
3224 * common.opt: Add -Wno-cpp option.
3225 * c-common.c (struct reason_option_codes_t): Map cpp warning
3226 reason codes to gcc option indexes.
3227 * (c_option_controlling_cpp_error): New function, lookup the gcc
3228 option index for a cpp warning reason code.
3229 * (c_cpp_error): Add warning reason argument, call
3230 c_option_controlling_cpp_error for diagnostic_override_option_index.
3231 * doc/invoke.texi: Document -Wno-cpp.
3233 2010-04-07 Richard Guenther <rguenther@suse.de>
3235 * ipa-reference.c (mark_load): Use get_base_address.
3236 (mark_store): Likewise.
3238 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3239 inserting GIMPLE_NOPs into the IL.
3240 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3241 Explicitly strip handled components and indirect references.
3243 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3244 folding address expressions.
3245 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3246 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3247 operand_equal_p to compare decls.
3248 (ptr_deref_may_alias_decl_p): Likewise.
3249 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3250 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3251 Handle reversed comparison ops.
3252 * tree-sra.c (asm_visit_addr): Use get_base_address.
3253 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3254 * ipa-reference.c (mark_address): Use get_base_address.
3256 2010-04-07 Richard Guenther <rguenther@suse.de>
3258 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3259 Propagate constants everywhere.
3261 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3264 * tree.c (MAX_INT_CACHED_PREC): Define.
3265 (nonstandard_integer_type_cache): New array.
3266 (build_nonstandard_integer_type): Cache results for precision
3267 <= MAX_INT_CACHED_PREC.
3269 2010-04-07 Richard Guenther <rguenther@suse.de>
3271 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3272 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3273 * common.opt: Likewise.
3274 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3275 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3276 (nonoverlapping_memrefs_p): Likewise.
3277 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3278 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3279 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3280 OPT_fargument_noalias_global for backward compatibility.
3282 2010-04-07 Richard Guenther <rguenther@suse.de>
3284 PR tree-optimization/43270
3285 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3286 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3287 * tree-ssa-pre.c (phi_translate_1): Adjust.
3288 (fully_constant_expression): Split out vn_reference handling to ...
3289 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3290 Fold reads from constant strings.
3291 (vn_reference_lookup): Handle fully constant references.
3292 (vn_reference_lookup_pieces): Likewise.
3293 * Makefile.in (expmed.o-warn): Add -Wno-error.
3295 2010-04-07 Martin Jambor <mjambor@suse.cz>
3297 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3299 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3302 * gcc.c: Add -static-libstdc++ to list of recognized options.
3304 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3306 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3308 2010-04-07 Richard Guenther <rguenther@suse.de>
3311 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3312 bases build simple mem attributes to retain points-to information.
3314 2010-04-07 Richard Guenther <rguenther@suse.de>
3317 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3318 preserve points-to related information.
3320 2010-04-07 Richard Guenther <rguenther@suse.de>
3323 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3324 discard plain indirect references.
3325 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3326 * tree.c (tree_nop_conversion): Likewise.
3328 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3331 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3333 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3335 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3336 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3338 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3340 * tree-if-conv.c: Fix indentation and comments.
3342 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3344 * tree-if-conv.c: Sort static functions in topological order.
3346 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3348 * tree-if-conv.c: Fix indentation and comments.
3350 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3353 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3354 lang_hooks.types.type_for_size instead of
3355 build_nonstandard_integer_type.
3356 When converting an unsigned type to signed, double its precision.
3357 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3358 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3359 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3362 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3365 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3366 POINTER_PLUS_EXPR for pointer types.
3368 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3371 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3372 * graphite-clast-to-gimple.c: Include langhooks.h.
3373 (max_signed_precision_type): New.
3374 (max_precision_type): Takes two types as arguments.
3375 (precision_for_value): New.
3376 (precision_for_interval): New.
3377 (gcc_type_for_interval): New.
3378 (gcc_type_for_value): New.
3379 (gcc_type_for_clast_term): New.
3380 (gcc_type_for_clast_red): New.
3381 (gcc_type_for_clast_bin): New.
3382 (gcc_type_for_clast_expr): Split up into several functions.
3383 (gcc_type_for_clast_eq): Rewritten.
3384 (compute_bounds_for_level): New.
3385 (compute_type_for_level_1): New.
3386 (compute_type_for_level): New.
3387 (gcc_type_for_cloog_iv): Removed.
3388 (gcc_type_for_iv_of_clast_loop): Rewritten.
3389 (graphite_create_new_loop): Compute the lower and upper bound types
3390 with gcc_type_for_clast_expr.
3391 (graphite_create_new_loop_guard): Same.
3392 (find_cloog_iv_in_expr): Removed.
3393 (compute_cloog_iv_types_1): Removed.
3394 (compute_cloog_iv_types): Removed.
3395 (gloog): Do not call compute_cloog_iv_types.
3396 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3398 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3399 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3400 (GBB_CLOOG_IV_TYPES): Removed.
3402 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3404 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3405 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3406 (detect_commutative_reduction): Same.
3408 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3410 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3411 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3413 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3414 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3415 (rewrite_commutative_reductions_out_of_ssa): Same.
3416 * passes.c (execute_function_todo): Call verify_ssa for every pass
3417 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3418 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3419 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3420 with an extra argument.
3421 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3422 verify_ssa only when the extra argument is true.
3423 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3424 with an extra argument.
3425 (tree_transform_and_unroll_loop): Same.
3427 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3429 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3430 for all the passes of the LNO having LOOP_CLOSED_SSA.
3431 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3432 * tree-loop-distribution.c (pass_loop_distribution): Same.
3433 * tree-pass.h (TODO_verify_loops): Removed.
3434 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3436 (pass_tree_unswitch): Same.
3437 (pass_predcom): Same.
3438 (pass_vectorize): Same.
3439 (pass_linear_transform): Same.
3440 (pass_graphite_transforms): Same.
3441 (pass_iv_canon): Same.
3442 (pass_complete_unroll): Same.
3443 (pass_complete_unrolli): Same.
3444 (pass_parallelize_loops): Same.
3445 (pass_loop_prefetch): Same.
3446 (pass_iv_optimize): Same.
3448 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3451 * passes.c (init_optimization_passes): Move pass_lim before
3452 pass_copy_prop and pass_dce_loop.
3454 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3457 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3458 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3459 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3460 MULTI_* defines for 4 argument vpermil2p* builtins.
3462 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3464 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3465 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3466 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3467 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3468 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3469 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3470 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3471 Use x86_maybe_negate_const_int to output insn mnemonic.
3472 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3473 check from instruction predicate. Update comments.
3474 * config/i386/sync.md (sync_add<mode>): Use
3475 x86_maybe_negate_const_int to output insn mnemonic.
3477 2010-04-06 Jan Hubicka <jh@suse.cz>
3479 PR tree-optimization/42906
3480 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3481 IGNORE_SELF argument. Set visited_control_parents for fully
3483 (find_obviously_necessary_stmts): Update call of
3484 mark_control_dependent_edges_necessary.
3485 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3487 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3489 * config/i386/i386.md: Remove comment about 'e' and 'E'
3492 2010-04-06 Richard Guenther <rguenther@suse.de>
3494 PR tree-optimization/43627
3495 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3496 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3499 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3501 * BASE-VER: Change to 4.6.0.
3504 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3507 2010-04-06 Richard Guenther <rguenther@suse.de>
3510 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3512 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3514 * doc/invoke.texi (Optimize Options): Document that LTO
3515 won't remove object access purely due to incompatible
3518 2010-04-04 Matthias Klose <doko@ubuntu.com>
3520 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3521 Initialize variable.
3523 2010-04-03 Richard Guenther <rguenther@suse.de>
3526 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3527 require a non-NULL MEM_OFFSET.
3529 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3531 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3532 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3533 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3534 config/alpha/predicates.md, config/arm/arm.md,
3535 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3536 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3537 config/darwin9.h, config/darwin.c, config/darwin.h,
3538 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3539 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3540 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3541 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3542 config/mips/mips.md, config/mn10300/mn10300.c,
3543 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3544 config/rs6000/aix.h, config/rs6000/dfp.md,
3545 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3546 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3547 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3548 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3549 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3550 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3551 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3552 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3553 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3554 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3555 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3556 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3557 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3558 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3559 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3560 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3561 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3562 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3563 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3564 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3565 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3566 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3567 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3568 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3569 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3570 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3571 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3572 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3573 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3574 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3575 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3576 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3577 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3578 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3579 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3580 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3582 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3585 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3586 * aclocal.m4: Regenerate.
3588 2010-04-02 Richard Guenther <rguenther@suse.de>
3590 PR tree-optimization/43629
3591 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3592 if we have seen a constant value.
3594 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3596 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3598 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3601 * arm.c (legitimize_tls_address): Adjust call to
3602 gen_tls_load_dot_plus_four.
3603 (arm_note_pic_base): New function.
3604 (arm_cannot_copy_insn_p): Use it.
3605 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3608 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3613 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3615 * Makefile.in ($(out_object_file)): Depend on
3616 gt-$(basename $(notdir $(out_file))).h.
3618 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3620 * config.gcc (lm32-*-rtems*): Add t-lm32.
3622 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3624 * config.gcc: Add lm32-*-rtems*.
3625 * config/lm32/rtems.h: New file.
3627 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3630 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3632 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3634 * dwarf2out.c (output_compilation_unit_header): For
3635 -gdwarf-4 use version 4 instead of version 3.
3636 (output_line_info): For version 4 and above emit additional
3637 maximum ops per insn header field.
3638 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3640 * dwarf2out.c (is_c_family, is_java): Remove.
3641 (lower_bound_default): New function.
3642 (add_bound_info, gen_descr_array_type_die): Use it.
3644 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3647 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3648 re-declaration when it happens in a function.
3650 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3652 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3653 (cgraph_remove_function_insertion_hook): Same.
3654 (cgraph_call_function_insertion_hooks): Same.
3656 2010-04-01 Richard Guenther <rguenther@suse.de>
3659 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3660 and TREE_THIS_VOLATILE.
3661 (copy_ref_info): Likewise.
3662 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3663 * tree.c (build6_stat): Ignore side-effects of all but arg5
3664 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3667 2010-04-01 Richard Guenther <rguenther@suse.de>
3669 PR tree-optimization/43607
3670 * ipa-type-escape.c (check_call): Do not access non-existing
3673 2010-04-01 Richard Guenther <rguenther@suse.de>
3677 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3678 Jack Howarth <howarth@bromo.med.uc.edu>
3680 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3683 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3685 * doc/install.texi (Prerequisites): Document libelf usability on
3686 IRIX 5/6 and Solaris 2.
3687 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3688 Update GNU as, GNU ld requirements.
3689 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3690 Document Sun Studio compiler download.
3691 Update and simplify as, ld recommendations.
3692 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3694 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3696 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3697 with_tune_32 to pentium4.
3699 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3701 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3703 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3705 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3706 obsoletion, removal.
3708 Document GNU as requirement.
3709 Update configure requirements.
3710 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3711 Recomment IRIX 6.5.18+.
3712 Document IDF/IDL requirement.
3713 Document GNU as requirement.
3714 Document GNU ld bootstrap failure.
3715 Remove freeware.sgi.com reference.
3717 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3719 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3720 UNIX V4.0, V5.0 obsoletion, removal.
3721 Remove --with-gc=simple reference.
3722 Update VM requirements during bootstrap.
3723 Remove -oldas bootstrap description.
3724 Update binutils reference.
3725 Remove comparison failure note.
3727 2010-03-31 Richard Guenther <rguenther@suse.de>
3728 Zdenek Dvorak <ook@ucw.cz>
3729 Sebastian Pop <sebastian.pop@amd.com>
3732 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3733 with multiple arguments.
3734 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3736 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3738 * graphite-dependences.c (print_pddr): Call print_pdr with an
3740 * graphite-poly.c (debug_pdr): Add an extra argument for the
3743 (print_pbb_domain): Same.
3745 (print_scop_context): Same.
3747 (print_cloog): Same.
3748 (debug_pbb_domain): Same.
3752 (debug_scop_context): Same.
3754 (debug_cloog): Same.
3755 (print_scop_params): Same.
3756 (debug_scop_params): Same.
3757 (print_iteration_domain): Same.
3758 (print_iteration_domains): Same.
3759 (debug_iteration_domain): Same.
3760 (debug_iteration_domains): Same.
3761 (print_scattering_function): Same.
3762 (print_scattering_functions): Same.
3763 (debug_scattering_function): Same.
3764 (debug_scattering_functions): Same.
3765 * graphite-poly.h (debug_pdr): Update declaration.
3767 (print_pbb_domain): Same.
3769 (print_scop_context): Same.
3771 (print_cloog): Same.
3772 (debug_pbb_domain): Same.
3776 (debug_scop_context): Same.
3778 (debug_cloog): Same.
3779 (print_scop_params): Same.
3780 (debug_scop_params): Same.
3781 (print_iteration_domain): Same.
3782 (print_iteration_domains): Same.
3783 (debug_iteration_domain): Same.
3784 (debug_iteration_domains): Same.
3785 (print_scattering_function): Same.
3786 (print_scattering_functions): Same.
3787 (debug_scattering_function): Same.
3788 (debug_scattering_functions): Same.
3790 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3792 * graphite-poly.c (print_scattering_function_1): New.
3793 (print_scattering_function): Call it.
3794 (print_scop_params): Remove spaces at the end of lines.
3797 * graphite-poly.h (print_cloog): Declared.
3798 (debug_cloog): Declared.
3800 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3802 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3804 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3805 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3806 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3807 to switch between adding the IV bump in loop->latch or in loop->header.
3809 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3811 * graphite-poly.c (print_scattering_function): Pretty print following
3814 (print_pbb_domain): Same.
3815 (dump_gbb_cases): Same.
3816 (dump_gbb_conditions): Same.
3819 (print_scop_params): Same.
3820 (print_scop_context): Same.
3822 (print_pbb_body): New.
3823 (lst_indent_to): New.
3824 (print_lst): Start new lines with a #.
3825 * graphite-poly.h (pbb_bb): New.
3826 (pbb_index): Use pbb_bb.
3827 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3829 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3831 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3833 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3834 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3835 and 0 instead of 1 for dw_val_class_flag.
3836 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3837 dw_val_class_range_list, dw_val_class_loc_list,
3838 dw_val_class_lineptr and dw_val_class_macptr, use
3839 DW_FORM_flag_present for dw_val_class_flag and
3840 DW_FORM_exprloc for dw_val_class_loc.
3841 (output_die): For -gdwarf-4 print dw_val_class_loc
3842 size as uleb128 instead of 1 or 2 bytes and don't print
3843 anything for dw_val_class_flag.
3845 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3846 instead of cselib_lookup following by tweaking locs->setting_insn.
3849 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3850 even before returning from label, setjmp call or volatile asm
3853 2010-03-31 Richard Guenther <rguenther@suse.de>
3856 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3857 temporary data on stack.
3859 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3861 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3862 (PUSHSECTION_ASM_OP): Remove.
3863 (POPSECTION_ASM_OP): Remove.
3864 (PUSHSECTION_FORMAT): Remove.
3865 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3866 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3867 * config/sol2.c (solaris_output_init_fini): Use it.
3869 2010-03-31 Jie Zhang <jie@codesourcery.com>
3872 * opt-functions.awk (var_type_struct): Use signed char type
3873 for simple variables.
3875 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3877 * config/sol2.c: Include output.h.
3878 (solaris_assemble_visibility): New function.
3879 * config/t-sol2 (sol2.o): Add output.h dependency.
3880 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3881 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3884 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3887 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3888 V2SImode or XFmode on PRE_DEC.
3891 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3894 2010-03-31 Jie Zhang <jie@codesourcery.com>
3897 * reload.h (caller_save_initialized_p): Declare.
3898 * toplev.c (backend_init_target): Don't call
3899 init_caller_save but set caller_save_initialized_p to false.
3900 * caller-save.c (caller_save_initialized_p): Define.
3901 (init_caller_save): Check caller_save_initialized_p.
3902 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3904 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3907 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3908 and soft-fp/t-softfp to tmake_file.
3909 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3910 (LIBGCC2_TF_CEXT): Define.
3913 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3916 * cselib.c (n_useless_values): Document handling of debug locs.
3917 (n_useless_debug_values, n_debug_values): New variables.
3918 (new_elt_loc_list): Don't add to debug values, keep count.
3919 (promote_debug_loc): New.
3920 (cselib_reset_table): Zero new variables.
3921 (entry_and_rtx_equal_p): Promote debug locs.
3922 (discard_useless_locs): Increment n_useless_debug_values for
3924 (remove_useless_values): Adjust n_useless_values and n_debug_values
3925 with n_useless_debug_values.
3926 (add_mem_for_addr): Promote debug locs.
3927 (cselib_lookup_mem): Likewise.
3928 (cselib_lookup_addr): Renamed to...
3929 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3930 (cselib_log_lookup): ... this. Turn into...
3931 (cselib_lookup_addr): ... new wrapper.
3932 (cselib_lookup_from_insn): New.
3933 (cselib_invalidate_regno): Increment n_useless_debug_values for
3935 (cselib_invalidate_mem): Likewise.
3936 (cselib_process_insn): Take n_deleted and n_debug_values into
3937 account to guard remove_useless_value call.
3938 (cselib_finish): Zero n_useless_debug_values.
3939 * cselib.h (cselib_lookup_from_insn): Declare.
3940 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3941 (sched_analyze_2): Likewise.
3943 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3945 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3947 (adjust_mems): Replace narrowing SUBREG of expression containing
3948 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3949 with operations in the narrower mode.
3952 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3953 regs_invalidated_by_call instead all call_used_reg_set registers.
3955 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3958 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3959 pointer comparisons with types_compatible_p.
3960 * tree-vect-stmts.c (vectorizable_call): Same.
3961 (vectorizable_condition): Same.
3963 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3965 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3966 stack check if the mask would be zero.
3968 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3969 Jack Howarth <howarth@bromo.med.uc.edu>
3971 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3974 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3977 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3979 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3980 Include ___unordxf2 and ___unordtf2.
3981 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3984 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3986 * config/lm32/t-lm32: New file.
3987 * config.gcc: Use the above file when targetting lm32.
3989 2010-03-28 Duncan Sands <baldrick@free.fr>
3991 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3993 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3996 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3997 Improve vectorization cost model diagnostic.
3999 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4002 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4003 compute_data_dependences_for_loop returns false, early exit
4004 and output an extra diagnostic for the failed data reference
4007 2010-03-29 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/43560
4010 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4011 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4013 2010-03-29 Jie Zhang <jie@codesourcery.com>
4016 * toplev.c (process_options): Set optimization_default_node
4017 and optimization_current_node.
4018 * opts.c (decode_options): Don't set optimization_default_node
4019 and optimization_current_node.
4021 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4023 * config/rtems.h: Abandon -qrtems_debug.
4025 2010-03-28 Jan Hubicka <jh@suse.cz>
4027 PR tree-optimization/43505
4028 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4029 map should not be copied.
4031 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4034 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4035 cdtors, set DECL_PRESERVE_P.
4036 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4039 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4041 PR tree-optimization/43528
4042 * stor-layout.c (place_field): Check that constant fits into
4043 unsigned HWI when skipping calculation of MS bitfield layout.
4045 2010-03-27 Jan Hubicka <jh@suse.cz>
4048 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4049 notice_global_symbol work.
4051 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4053 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4054 instead of dwarf2out_decl.
4055 (struct var_loc_node): Remove section_label field.
4056 (dwarf2out_function_decl): New function.
4057 (dwarf2out_var_location): Don't set section_label field.
4058 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4060 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4062 PR tree-optimization/43544
4063 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4064 First argument for builtin vectorized function hook is now a
4065 tree to be able to distinguish between machine specific and
4067 * targhooks.c (default_builtin_vectorized_function): Ditto.
4068 * targhooks.h (default_builtin_vectorized_function): Ditto.
4069 * target.h (struct gcc_target): Ditto.
4070 * tree-vect-stmts.c (vectorizable_function): Ditto.
4071 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4072 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4075 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4078 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4079 nested binding iff it is a FUNCTION_DECL.
4080 (store_parm_decls_newstyle): Pass nested=true to bind for
4081 FUNCTION_DECLs amongst parameters.
4083 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4085 * var-tracking.c (vt_expand_loc_callback): Don't run
4086 cselib_expand_value_rtx_cb in dummy mode if
4087 cselib_dummy_expand_value_rtx_cb returned false.
4089 * var-tracking.c (emit_note_insn_var_location): For one part
4090 notes with offset 0, don't add EXPR_LIST around the location.
4091 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4092 add_location_or_const_value_attribute): Adjust for that change.
4095 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4096 into first operand and location into second.
4097 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4098 dw_cfi_oprnd_loc for DW_CFA_expression.
4099 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4100 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4101 assume first argument is regnum and second argument is location.
4103 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4106 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4107 of scratch register to DImode. Split to DImode comparison operator.
4108 Use SImode subreg of scratch register in the multiplication.
4109 (*cmp_sadd_sidi): Ditto.
4110 (*cmp_ssub_si): Ditto.
4111 (*cmp_ssub_sidi): Ditto.
4113 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4116 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4117 Remove invalid assert and wrong comment.
4119 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4122 * flags.h (final_insns_dump_p): New extern.
4123 * final.c (final_insns_dump_p): New variable.
4124 (rest_of_clean_state): Set it before -fdump-final-insns=
4125 dumping, clear afterwards.
4126 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4127 MEM_ALIAS_SET on MEMs.
4129 2010-03-26 David S. Miller <davem@davemloft.net>
4131 * configure.ac: Fix sparc GOTDATA_OP bug check.
4132 * configure: Rebuild.
4134 2010-03-26 Alan Modra <amodra@gmail.com>
4136 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4138 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4140 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4141 TLS_SECTION_ASM_FLAG.
4143 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4146 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4147 Clear first_function_block_is_cold.
4150 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4151 argument if the argument is truth_value_p.
4153 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4155 * config/rs6000/constraints.md: Update copyright year for my changes.
4158 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4159 used in reg+reg addressing, swap registers.
4161 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4164 * target.h (struct gcc_target): Add code_end hook.
4165 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4167 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4168 * toplev.c (compile_file): Call targetm.asm_out.code_end
4169 hook before unwind info/debug info output.
4170 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4171 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4172 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4173 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4174 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4175 * config/i386/i386.c (ix86_file_end): Renamed to...
4176 (ix86_code_end): ... this. Make static. Don't call
4177 file_end_indicate_exec_stack. Emit unwind info using
4178 final_start_function/final_end_function.
4179 (darwin_x86_file_end): Remove.
4180 (TARGET_ASM_CODE_END): Define.
4181 * config/i386/i386.h (TARGET_ASM_FILE_END,
4182 NEED_INDICATE_EXEC_STACK): Don't define.
4183 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4184 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4185 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4186 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4189 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4190 at the beginning and final_end_function at the end.
4191 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4193 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4195 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4196 and Sun as TLS syntax.
4197 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4198 * configure: Regenerate.
4199 * config.in: Regenerate.
4200 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4201 (default_elf_asm_named_section): Use it.
4202 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4203 (i386_output_dwarf_dtprel): Likewise.
4204 (output_addr_const_extra): Likewise.
4205 (output_pic_addr_const): Lowercase @GOTTPOFF.
4206 (output_addr_const_extra): Likewise.
4207 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4208 (output_addr_const_extra): Likewise.
4209 (output_pic_addr_const): Lowercase @INDNTPOFF.
4210 (output_addr_const_extra): Likewise.
4211 (output_pic_addr_const): Lowercase @NTPOFF.
4212 (output_addr_const_extra): Likewise.
4213 (output_pic_addr_const): Lowercase @TPOFF.
4214 (output_addr_const_extra): Likewise.
4215 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4216 (*tls_global_dynamic_64): Likewise.
4217 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4218 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4220 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4221 (ASM_OUTPUT_TLS_COMMON): Use it.
4222 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4225 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4226 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4227 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4228 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4229 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4230 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4232 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4234 * config/i386/i386.c (override_options): Don't accept
4235 -mtls-dialect=sun any longer.
4236 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4237 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4238 (*tls_local_dynamic_base_32_sun): Likewise.
4239 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4241 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4244 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4245 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4248 * ira.c (adjust_cleared_regs): New function.
4249 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4253 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4255 * expr.c (expand_expr_real): Restore previous
4256 curr_insn_source_location and curr_insn_block after
4257 expand_expr_real_1 call.
4258 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4259 instead of expand_expr_real_1.
4261 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4263 PR rtl-optimization/43413
4264 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4267 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4270 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4271 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4273 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4275 * config/i386/i386.c (ix86_target_string): Add -mfma.
4276 Fix a typo in comment.
4278 2010-03-22 Mike Stump <mikestump@comcast.net>
4281 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4282 Don't overly align based upon packed packed fields.
4284 2010-03-22 Jason Merrill <jason@redhat.com>
4286 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4287 Use () rather than [], and move before the element type.
4289 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4291 * doc/configfiles.texi (Configuration Files): Removed
4292 fixinc/Makefile*, intl/Makefile.*.
4293 * doc/makefile.texi: Fixed markup. Abstract from version
4294 control system used.
4295 (Makefile): Removed obsolete gcc/java/parse.y example.
4296 * doc/sourcebuild.texi: Likewise.
4297 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4298 libgomp, libssp. Removed fastjar.
4299 (Miscellaneous Docs): Clarify location.
4300 Added COPYING3, COPYING3.LIB.
4301 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4303 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4306 * config/i386/i386.c (x86_function_profiler)
4307 [!NO_PROFILE_COUNTERS]: Fix typo.
4308 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4311 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4312 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4314 * doc/sourcebuild.texi (Test Directives): Split into six
4315 subsections, with most of the current text in new subsections
4316 Directives, Selectors, and Final Actions.
4317 (Directives): Split list of test directives into multiple
4319 (Selectors): Describe use and syntax of selectors.
4320 (Effective-Target Keywords): Describe all existing keywords.
4321 (Add Options): Describe features for dg-add-options.
4322 (Require Support): Describe variants of dg-require-support.
4323 (Final Actions): Describe commands to use in dg-final.
4325 2010-03-22 Michael Matz <matz@suse.de>
4328 * recog.c (validate_replace_rtx_group): Replace also in
4329 REG_EQUAL and REG_EQUIV notes.
4331 2010-03-22 Richard Guenther <rguenther@suse.de>
4333 PR tree-optimization/43390
4334 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4335 sure vector extracts are type correct.
4337 2010-03-22 Richard Guenther <rguenther@suse.de>
4340 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4341 x * sqrt (x) even when optimizing for size if the target
4342 has native support for sqrt.
4344 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4346 * varasm.c (make_decl_rtl_for_debug): Also clear
4347 flag_mudflap for the duration of make_decl_rtl call.
4350 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4351 locs from preserved VALUEs.
4353 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4356 * pa.md (movmemsi): Set align to one if zero.
4357 (movmemdi): Likewise.
4359 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4362 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4363 with their corresponding prologue pushes.
4365 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4368 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4369 at the begining or end.
4370 (spu_expand_epilogue): Likewise.
4372 2010-03-20 Richard Guenther <rguenther@suse.de>
4374 PR rtl-optimization/43438
4375 * combine.c (make_extraction): Properly zero-/sign-extend an
4376 extraction of the low part of a CONST_INT. Also handle
4379 2010-03-19 Mike Stump <mikestump@comcast.net>
4381 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4382 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4383 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4385 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4388 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4391 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4393 PR rtl-optimization/42258
4394 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4395 use that may match DEF.
4398 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4399 the cost of loading the constant rather than assuming
4401 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4402 outer code is AND, do the same tests as the andsi3 expander and
4403 return COSTS_N_INSNS (1) if and is cheap.
4405 * optabs.c (avoid_expensive_constant): Fix formatting.
4407 2010-03-19 Michael Matz <matz@suse.de>
4410 * attribs.c (decl_attributes): When rebuilding a function pointer
4411 type use the same qualifiers as the original pointer type.
4413 2010-03-19 Martin Jambor <mjambor@suse.cz>
4415 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4416 and is_gimple_ip_invariant_address.
4418 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4421 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4423 * config/arm/arm.c (arm_override_options): Turn off
4424 flag_dwarf2_cfi_asm for AAPCS variants.
4426 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4429 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4430 Use PRE_MODIFY instead of PRE_DEC.
4431 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4432 (vfp_emit_fstmd): Likewise.
4434 2010-03-19 Michael Matz <matz@suse.de>
4437 * builtins.c (expand_builtin_interclass_mathfn,
4438 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4441 2010-03-19 Richard Guenther <rguenther@suse.de>
4443 PR tree-optimization/43415
4444 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4445 (phi_translate_1): ... this.
4446 (phi_translate): Move all caching here. Cache all NARY
4447 and REFERENCE translations.
4449 2010-03-19 David S. Miller <davem@davemloft.net>
4451 With help from Eric Botcazou.
4452 * config/sparc/sparc.c: Include dwarf2out.h.
4453 (emit_pic_helper): Delete.
4454 (pic_helper_symbol_name): Delete.
4455 (pic_helper_emitted_p): Delete.
4456 (pic_helper_needed): New.
4457 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4458 (get_pc_thunk_name): New.
4459 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4460 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4461 Set pic_helper_needed to true. Don't call emit_pic_helper.
4462 (sparc_expand_prologue): Update load_pic_register call.
4463 (sparc_output_mi_thunk): Likewise.
4464 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4465 thunk if possible. Output CFI information as needed.
4467 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4468 Jack Howarth <howarth@bromo.med.uc.edu>
4471 * config/i386/i386.h: Fix ABI on darwin x86-32.
4473 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4475 * tree.h: Declare make_decl_rtl_for_debug.
4476 * varasm.c (make_decl_rtl_for_debug): New.
4477 * dwarf2out.c (rtl_for_decl_location): Call it.
4478 * cfgexpand.c (expand_debug_expr): Call it.
4480 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4483 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4487 * var-tracking.c (vt_init_cfa_base): Do nothing if
4488 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4490 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4493 * var-tracking.c (canonicalize_vars_star): New.
4494 (dataflow_post_merge_adjust): Use it.
4496 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4499 * var-tracking.c (non_suitable_const): New function.
4500 (add_uses): For DEBUG_INSNs with constants, don't record any
4501 value, instead just the constant value itself.
4502 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4503 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4504 (emit_notes_in_bb): Likewise.
4505 (emit_note_insn_var_location): For onepart variables if
4506 cur_loc is a VOIDmode constant, use DECL_MODE.
4508 2010-03-18 Martin Jambor <mjambor@suse.cz>
4511 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4512 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4513 all non-clones. Moved call redirection...
4514 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4515 (cgraph_materialize_all_clones): Dispose of all
4516 combined_args_to_skip bitmaps.
4517 (verify_cgraph_node): Do not check for edges pointing to wrong
4518 nodes in inline clones.
4519 * tree-inline.c (copy_bb): Call
4520 cgraph_redirect_edge_call_stmt_to_callee.
4521 * ipa.c (cgraph_remove_unreachable_nodes): Call
4522 cgraph_node_remove_callees even when there are used clones.
4524 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4526 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4528 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4531 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4534 2010-03-18 Michael Matz <matz@suse.de>
4537 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4538 into sqrt(x) if we need to preserve signed zeros.
4540 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4541 Eric Botcazou <ebotcazou@adacore.com>
4543 PR rtl-optimization/43360
4544 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4545 note if we don't know its invariant status.
4547 2010-03-18 Michael Matz <matz@suse.de>
4549 PR tree-optimization/43402
4550 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4551 PHI chains of ssa names registered for update.
4553 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4556 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4557 non-offsettable and pre_modify update addressing.
4558 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4559 and "2" alternatives "#".
4560 (*movdd_softfloat32): Make all alternatives "#";
4561 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4562 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4563 (*movdf_softfloat32): Make all alternatives "#";
4564 (movdi): Use the new DIFD mode iterator to create a common splitter
4565 for movdi, movdf and movdd patterns.
4567 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4569 * common.opt (dumpdir): Remove redundant tab.
4571 2010-03-17 Martin Jambor <mjambor@suse.cz>
4573 PR tree-optimization/43347
4574 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4575 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4577 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4579 PR rtl-optimization/42216
4580 * regrename.c (create_new_chain): New function, broken out from...
4581 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4582 appending a use to an empty chain.
4583 (build_def_use): Remove previous changes that convert OP_INOUT to
4584 OP_OUT operands; instead detect the case where an OP_INOUT operand
4585 uses a previously untracked register and create an empty chain for it.
4587 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4589 * doc/extend.texi (Function Attributes): Rewrite unfinished
4590 sentence in ms_abi documentation.
4592 2010-03-17 Alan Modra <amodra@gmail.com>
4594 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4595 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4596 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4597 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4599 2010-03-16 Richard Henderson <rth@redhat.com>
4602 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4603 (lower_try_finally): Save and restore eh_seq around the expansion
4606 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4608 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4609 statements before splitting block.
4611 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4613 * doc/sourcebuild.texi (Testsuites): Fix markup.
4614 Use pathnames relative to gcc/testsuite.
4615 (Test Directives): Move description of how timeout is determined.
4616 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4617 (C Tests): Correct gcc.misc-tests directory.
4618 Framework tests now live in gcc.test-framework.
4620 2010-03-16 Richard Guenther <rguenther@suse.de>
4623 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4624 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4626 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4627 Alexandre Oliva <aoliva@redhat.com>
4629 PR tree-optimization/42917
4630 * lambda-code.c (remove_iv): Skip debug statements.
4631 (lambda_loopnest_to_gcc_loopnest): Likewise.
4632 (not_interesting_stmt): Debug statements are not interesting.
4634 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4638 * cselib.c (cselib_preserve_constants,
4639 cfa_base_preserved_val): New static variables.
4640 (preserve_only_constants): New function.
4641 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4642 clear its REG_VALUES. If cselib_preserve_constants, don't
4643 empty the whole hash table, but preserve there VALUEs with constants,
4644 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4645 (cselib_preserve_cfa_base_value): New function.
4646 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4647 (cselib_init): Change argument to int bitfield. Set
4648 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4650 (cselib_finish): Clear cselib_preserve_constants and
4651 cfa_base_preserved_val.
4652 * cselib.h (enum cselib_record_what): New enum.
4653 (cselib_init): Change argument to int.
4654 (cselib_preserve_cfa_base_value): New prototype.
4655 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4656 * dse.c (dse_step1): Likewise.
4657 * cfgcleanup.c (thread_jump): Likewise.
4658 * sched-deps.c (sched_analyze): Likewise.
4659 * gcse.c (local_cprop_pass): Likewise.
4660 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4661 If FN is non-NULL, call the callback always and whenever it returns
4662 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4663 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4664 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4665 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4666 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4667 * var-tracking.c: Include recog.h.
4668 (bb_stack_adjust_offset): Remove.
4669 (vt_stack_adjustments): Don't call it, instead just gather the
4670 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4671 (adjust_stack_reference): Remove.
4672 (compute_cfa_pointer): New function.
4673 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4674 (struct adjust_mem_data): New type.
4675 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4677 (get_address_mode): New function.
4678 (replace_expr_with_values): Use it.
4679 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4680 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4681 (adjust_sets): Remove.
4682 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4683 Use get_address_mode.
4684 (get_adjusted_src): Remove.
4685 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4686 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4687 (add_with_sets): Don't call adjust_sets.
4688 (fp_setter, vt_init_cfa_base): New functions.
4689 (vt_initialize): Change return type to bool. Move most of pool etc.
4690 initialization to the beginning of the function from end. Pass
4691 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4692 If !frame_pointer_needed, call vt_stack_adjustment before mos
4693 vector is filled, call vt_init_cfa_base if argp/framep has been
4694 eliminated to sp. If frame_pointer_needed and argp/framep has
4695 been eliminated to hard frame pointer, set
4696 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4697 encountering fp setter in the prologue. For MO_ADJUST, call
4698 log_op_type before pusing the op into mos vector, not afterwards.
4699 Call adjust_insn before cselib_process_insn/add_with_sets,
4700 call cancel_changes (0) afterwards.
4701 (variable_tracking_main_1): Adjust for vt_initialize calling
4702 vt_stack_adjustments and returning whether it succeeded or not.
4704 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4706 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4709 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4711 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4713 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4714 drap_reg has not been set.
4716 2010-03-15 Michael Matz <matz@suse.de>
4719 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4720 use it to expand block copies.
4721 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4722 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4723 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4725 2010-03-15 Richard Guenther <rguenther@suse.de>
4727 PR tree-optimization/43367
4728 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4731 2010-03-15 Richard Guenther <rguenther@suse.de>
4733 PR tree-optimization/43317
4734 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4736 2010-03-15 Martin Jambor <mjambor@suse.cz>
4738 PR tree-optimization/43141
4739 * tree-sra.c (create_abstract_origin): New function.
4740 (modify_function): Call create_abstract_origin.
4742 2010-03-15 Chris Demetriou <cgd@google.com>
4744 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4747 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4750 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4751 call insert_out_of_ssa_copy for default definitions.
4753 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4755 * graphite-clast-to-gimple.c (my_long_long): Defined.
4756 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4757 * graphite-sese-to-poly.c (my_long_long): Defined.
4758 (scop_ivs_can_be_represented): Use it.
4760 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4762 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4763 graphite-max-bbs-per-function, and loop-block-tile-size.
4764 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4766 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4768 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4770 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4771 forward declaration.
4772 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4773 (add_upper_bounds_from_estimated_nit): New.
4774 (build_loop_iteration_domains): Use it.
4776 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4778 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4780 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4783 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4784 should be an INTEGER_CST. Also handle CASE_CONVERT.
4786 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4788 * graphite.c (graphite_initialize): To bound the number of bbs per
4789 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4790 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4791 * doc/invoke.texi: Document it.
4793 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4795 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4796 * graphite-sese-to-poly.h (build_poly_scop): Same.
4798 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4800 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4801 the number of parameters in the scop. Use as an upper bound
4802 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4803 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4804 * doc/invoke.texi: Document it.
4806 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4808 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4809 * doc/c-tree.texi: Remove.
4810 * doc/generic.texi: Merge c-tree.texi here.
4811 * doc/gccint.texi (Trees): Remove menu entry.
4812 (c-tree.texi): Remove @include.
4813 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4814 * doc/languages.texi (Reading RTL): Ditto.
4816 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4819 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4821 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4824 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4825 code added to work around reload clobbering CONST insns.
4827 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4829 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4830 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4831 (cselib_preserve_only_values): Remove retain argument, don't
4832 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4833 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4834 * var-tracking.c (micro_operation): Move insn field before union.
4835 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4836 (struct variable_tracking_info_def): Remove n_mos field, change
4837 mos into a vector of micro_operations.
4838 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4839 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4840 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4841 changing into a vector.
4842 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4843 come before all other uops generated by add_stores.
4844 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4846 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4847 a vector. Run just one pass over the bbs instead of separate counting
4848 and computation phase.
4849 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4852 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4853 into *nonlocalized_list vector.
4854 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4855 even if origin is non-NULL.
4856 (gen_variable_die): Likewise.
4857 (process_scope_var): Don't change origin.
4858 (gen_decl_die): Likewise.
4859 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4860 before adding new edges instead of after it, fix moving over
4863 2010-03-11 David S. Miller <davem@davemloft.net>
4865 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4867 * configure: Rebuild.
4869 2010-03-11 Martin Jambor <mjambor@suse.cz>
4871 PR tree-optimization/43257
4872 * tree.c (assign_assembler_name_if_neeeded): New function.
4873 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4875 * tree.h (assign_assembler_name_if_neeeded): Declare.
4876 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4877 the function if needed.
4879 2010-03-11 Chris Demetriou <cgd@google.com>
4881 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4882 include/stdint-gcc.h, and include/stdint.h world-readable.
4884 2010-03-11 Richard Guenther <rguenther@suse.de>
4886 PR tree-optimization/43255
4887 * tree-vrp.c (process_assert_insertions_for): Do not insert
4888 asserts for trivial conditions.
4890 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4892 PR tree-optimization/43280
4893 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4894 generation. Move calculation of size out of the if branch.
4895 (find_bswap): Modify compare number generation.
4897 2010-03-11 Richard Guenther <rguenther@suse.de>
4900 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4901 (input_gimple_stmt): Fixup handled component types during
4902 operand read. Also fix up decls in ADDR_EXPRs.
4904 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4906 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4907 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4909 2010-03-10 Jan Hubicka <jh@suse.cz>
4912 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4913 * varasm.c (get_variable_section): Don't do that here...
4914 (make_decl_rtl): ... and here.
4915 (do_assemble_alias): Produce decl RTL.
4916 (assemble_alias): Likewise.
4918 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4921 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4922 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4924 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4925 (based_loc_descr): Only express drap or vdrap regno based expressions
4926 using DW_OP_fbreg when not optimizing.
4927 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4928 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4929 REG_CFA_SET_VDRAP note.
4931 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4933 PR tree-optimization/43236
4934 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4935 error in calculation of base address in reverse iteration case.
4936 (generate_builtin): Take number of latch executions if the statement
4939 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4942 * tree-eh.c: Include pointer-set.h.
4943 (lower_eh_dispatch): Filter out duplicate case labels and
4944 remove the unneeded edge when the label is unused. Return
4945 true when some edges are removed.
4946 (execute_lower_eh_dispatch): When any lowering resulted in
4947 removing an edge, also delete unreachable blocks.
4949 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4952 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4953 UNSPEC_MACHOPIC_OFFSET.
4955 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4958 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4959 (m68k_delegitimize_address): New function.
4961 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4964 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4967 * var-tracking.c (adjust_sets): New function.
4968 (count_with_sets, add_with_sets): Use it.
4969 (get_adjusted_src): New inline function.
4970 (add_stores): Use it.
4973 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4974 call cselib_dummy_expand_value_rtx_cb instead of
4975 cselib_expand_value_rtx_cb.
4978 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4979 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4980 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4981 and .cfi_endproc around the pic thunks.
4982 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4983 all queued unwind info register saves are saved before the call.
4984 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4985 considered as sp-=4 for unwind info and the pop as sp+=4 which
4986 also clobbers dest, but doesn't actually restore it.
4989 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4990 RTX_FRAME_RELATED_P.
4992 2010-03-09 Jie Zhang <jie@codesourcery.com>
4994 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4995 whitespaces in output template.
4997 2010-03-09 Jie Zhang <jie@codesourcery.com>
4999 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5002 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5004 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5005 builtins.exp in a separate job.
5007 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5009 * graphite-sese-to-poly.c (add_param_constraints): Use
5010 lower_bound_in_type and upper_bound_in_type.
5012 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5014 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5015 instead of unsigned_type_node.
5017 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5018 Reza Yazdani <reza.yazdani@amd.com>
5021 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5022 on pointer type parameters.
5024 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5028 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5029 handle conversions from pointer to integers.
5030 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5031 induction variable, to be able to work with code generated by CLooG.
5032 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5033 (build_poly_scop): Bail out if we cannot codegen a loop.
5035 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5037 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5038 code generation with gloog_error.
5040 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5042 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5043 Call fold_convert on all the returned values.
5044 (expand_scalar_variables_expr): Pass to
5045 expand_scalar_variables_ssa_name the type of the resulting expression.
5047 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5049 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5050 ppl_min_for_le_pointset.
5051 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5052 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5054 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5056 * graphite-dependences.c (map_into_dep_poly): Removed.
5057 (dependence_polyhedron_1): Use combine_context_id_scat.
5059 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5061 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5062 (struct poly_bb): Same.
5063 (combine_context_id_scat): New.
5065 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5068 * sese.c (name_defined_in_loop_p): Return false for default
5071 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5073 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5074 and clean up the logic.
5076 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5078 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5081 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5083 * var-tracking.c (remove_cselib_value_chains): Define only for
5085 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5086 delete_slot_part, emit_notes_for_differences_1): Don't call
5087 remove_cselib_value_chains here.
5088 (set_slot_part, emit_notes_for_differences_2): Don't call
5089 add_cselib_value_chains here.
5090 (preserved_values): New vector.
5091 (preserve_value): New function.
5092 (add_uses, add_stores, vt_add_function_parameters): Use it
5093 instead of cselib_preserve_value.
5094 (changed_values_stack): New vector.
5095 (check_changed_vars_0): New function.
5096 (check_changed_vars_1, check_changed_vars_2): Use it.
5097 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5098 changed_values_stack VALUEs.
5099 (vt_emit_notes): For all preserved_values call
5100 add_cselib_value_chains. If ENABLE_CHECKING call
5101 remove_cselib_value_chains before verifying value_chains is empty.
5102 Initialize and free changed_values_stack.
5103 (vt_initialize): Initialize preserved_values.
5104 (vt_finalize): Free preserved_values.
5106 2010-03-08 Richard Guenther <rguenther@suse.de>
5108 PR tree-optimization/43269
5109 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5112 2010-03-08 Martin Jambor <mjambor@suse.cz>
5114 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5115 (ipa_is_param_called): Removed.
5116 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5117 (ipa_print_node_params): Do not print the called flag.
5118 (ipa_write_node_info): Do not stream the called flag.
5119 (ipa_read_node_info): Likewise.
5121 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5124 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5125 * cselib.c (struct expand_value_data): Add dummy field.
5126 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5128 (cselib_dummy_expand_value_rtx_cb): New function.
5129 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5131 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5132 * var-tracking.c: Include pointer-set.h.
5133 (variable): Change n_var_parts to char from int. Add
5134 cur_loc_changed and in_changed_variables fields.
5135 (variable_canonicalize): Remove.
5136 (shared_var_p): New inline function.
5137 (unshare_variable): Maintain cur_loc_changed and
5138 in_changed_variables fields. If var was in changed_variables,
5139 replace it there with new_var. Just copy cur_loc instead of
5140 resetting it to something else.
5141 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5142 (dataflow_set_union): Don't call variable_canonicalize.
5143 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5144 of their DEBUG_EXPR_TREE_DECLs.
5145 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5146 and in_changed_variables and cur_loc_changed is false.
5147 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5148 and cur_loc_changed. Don't update cur_loc here.
5149 (variable_merge_over_src): Don't call variable_canonicalize.
5150 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5151 removing loc that is equal to cur_loc, clear cur_loc,
5152 set cur_loc_changed and ensure variable_was_changed is called.
5153 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5154 compare pointers in cur_loc check, if it is equal to loc,
5155 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5156 (variable_different_p): Remove compare_current_location argument,
5157 don't compare cur_loc.
5158 (dataflow_set_different_1): Adjust variable_different_p caller.
5159 (variable_was_changed): If dv had some var in changed_variables
5160 already, reset in_changed_variables flag for it and propagate
5161 cur_loc_changed over to the new variable. On empty var
5162 always set cur_loc_changed. Set in_changed_variables on whatever
5163 var is added to changed_variables.
5164 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5165 Use shared_var_p. When removing loc that is equal to cur_loc,
5166 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5167 end, don't set it to something else, just call variable_was_changed.
5168 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5169 loc being removed, clear cur_loc and set cur_loc_changed.
5170 Set cur_loc_changed if all locations have been removed.
5171 (struct expand_loc_callback_data): New type.
5172 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5173 allocated. Always create SUBREGs if simplify_subreg failed.
5174 Prefer to use cur_loc, when that fails and still in
5175 changed_variables (and seen first time) recompute it. Set
5176 cur_loc_changed of variables which had to change cur_loc and
5177 compute elcd->cur_loc_changed if any of the subexpressions used
5178 had to change cur_loc.
5179 (vt_expand_loc): Adjust to pass arguments in
5180 expand_loc_callback_data structure.
5181 (vt_expand_loc_dummy): New function.
5182 (emitted_notes): New variable.
5183 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5184 that weren't used for any other decl in current
5185 emit_notes_for_changes call call vt_expand_loc_dummy to update
5186 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5187 first loc_chain location if NULL before. Always use just
5188 cur_loc instead of first loc_chain location. When cur_loc_changed
5189 is false, when not --enable-checking=rtl just don't emit any note.
5190 When rtl checking, compute the note and assert it is the same
5191 as previous note. Clear cur_loc_changed and in_changed_variables
5192 at the end before removing from changed_variables.
5193 (check_changed_vars_3): New function.
5194 (emit_notes_for_changes): Traverse changed_vars to call
5195 check_changed_vars_3 on each changed var.
5196 (emit_notes_for_differences_1): Clear cur_loc_changed and
5197 in_changed_variables. Recompute cur_loc of new_var.
5198 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5199 (vt_emit_notes): Initialize and destroy emitted_notes.
5201 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5203 PR rtl-optimization/42220
5204 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5205 Use verify_reg_tracked to determine if we should use OP_OUT rather
5207 (build_def_use): If we see an in-out operand for a register that we
5208 know nothing about, treat is an output if possible, fail the block if
5211 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5214 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5217 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5220 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5221 uses of relevant DEFs that are dead outside the loop too.
5223 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5225 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5227 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5229 * var-tracking.c (values_to_unmark): New variable.
5230 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5231 values_to_unmark vector. Moved body to...
5232 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5233 instead queue it into values_to_unmark vector.
5234 (vt_find_locations): Free values_to_unmark vector.
5236 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5238 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5239 (site.exp): Export them when plugins are enabled.
5241 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5244 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5246 (chrec_fold_multiply): Same.
5248 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5251 * c-decl.c (build_compound_literal): Return early if init is
5254 2010-03-04 Martin Jambor <mjambor@suse.cz>
5256 PR tree-optimization/43164
5257 PR tree-optimization/43191
5258 * tree-sra.c (type_consists_of_records_p): Reject records with
5259 zero-size bit-fields at the end.
5261 2010-03-04 Mike Stump <mikestump@comcast.net>
5263 * Makefile.in (TAGS): Remove *.y.
5265 2010-03-04 Richard Guenther <rguenther@suse.de>
5267 PR tree-optimization/40761
5268 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5270 (my_rev_post_order_compute): New function.
5271 (init_pre): Call it.
5273 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5276 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5277 decrease the cost of an IV candidate when the cost is infinite.
5279 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5281 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5282 Use '3DNow!' for the extension of that name, ensure normal space
5284 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5286 2010-03-03 Jeff Law <law@redhat.com>
5288 * PR middle-end/32693
5289 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5290 than gen_rtx_SUBREG.
5291 (extract_bit_field_1): Likewise.
5293 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5295 * doc/sourcebuild.texi (Test directives): Document that arguments
5296 include-opts and exclude-opts are now optional for dg-skip-if,
5297 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5299 2010-03-03 Jason Merrill <jason@redhat.com>
5302 * cgraph.h (varpool_node): Add extra_name field.
5303 * varpool.c (varpool_extra_name_alias): New.
5304 (varpool_assemble_decl): Emit extra name aliases.
5305 (varpool_mark_needed_node): Look past an extra name alias.
5306 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5307 * lto-streamer-in.c (lto_input_tree): Read it.
5308 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5310 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5312 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5313 (sparc*-*-solaris2*): ...this.
5315 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5318 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5319 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5320 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5321 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5324 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5325 fallthrough to default handling, just with want_address 0 instead of 2.
5326 For single element lists, add_AT_loc directly, otherwise create an
5327 artificial variable DIE and stick location list to it.
5330 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5331 (VAL_EXPR_HAS_REVERSE): Define.
5332 (reverse_op): New function.
5333 (add_stores): For reversible operations add an extra MO_VAL_USE.
5335 2010-03-02 Jason Merrill <jason@redhat.com>
5337 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5339 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5341 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5342 (sparc64-*-linux*): Likewise.
5343 (sparc64-*-solaris2*): Include assembler files before linker ones.
5344 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5345 * config/sparc/gas.h: Delete.
5346 * config/sparc/sol2-64.h: Add copyright notice.
5347 * config/sparc/sol2-gas-bi.h: Likewise.
5348 * config/sparc/sol2-gld.h: Likewise.
5349 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5350 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5351 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5352 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5353 (sparc_elf_asm_named_section): Rename into...
5354 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5356 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5358 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5360 2010-03-02 Jeff Law <law@redhat.com>
5363 * reload1.c (rtx_p, substitute_stack): Declare.
5364 (substitute): Record addresses of changed rtxs.
5365 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5366 Restore the original rtx when complete.
5367 (reload): Free subsitute_stack when complete.
5369 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5371 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5372 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5374 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5375 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5376 Torture Tests): Change from subsection to section.
5378 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5379 Steven Bosscher <steven@gcc.gnu.org>
5381 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5384 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5387 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5388 the assignment from the new induction variable to the assignment
5389 of the value from the original loop PHI function.
5391 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5392 Daniel Jacobowitz <dan@codesourcery.com>
5394 * doc/sourcebuild.texi (Test directives): Clarify options to
5397 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5399 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5400 Disable cfi directives unless GCC and gas agree on using read-only
5401 .eh_frame sections for 64-bit.
5402 * configure: Regenerate.
5404 2010-03-01 Richard Guenther <rguenther@suse.de>
5406 PR tree-optimization/43220
5407 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5408 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5410 2010-03-01 Richard Guenther <rguenther@suse.de>
5411 Martin Jambor <mjambor@suse.cz>
5414 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5415 gimplified parameters.
5417 2010-03-01 Christian Bruel <christian.bruel@st.com>
5419 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5421 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5423 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5425 2010-03-01 Richard Guenther <rguenther@suse.de>
5428 * expr.c (expand_assignment): Use the alias-oracle to tell
5429 if the rhs aliases the result decl.
5431 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5434 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5435 to sol_gt_pch_get_address.
5436 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5437 64-bit, SPARC and x86.
5438 (sol_gt_pch_get_address): New function.
5440 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5442 * toplev.h (inform_n, error_n): Declare.
5443 * diagnostic.c (inform_n, error_n): New function.
5445 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5447 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5448 has no rtl yet when processing local_decls, queue it and recheck
5449 if deferred stack allocation hasn't assigned it rtl.
5451 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5453 * config/sh/sh.c (unspec_bbr_uid): New.
5454 (gen_block_redirect): Use it instead of INSN_UID.
5455 (gen_far_branch): Likewise.
5457 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5459 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5460 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5462 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5464 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5465 (Warning Options): -Wno-conversion-null is valid for
5466 Objective-C++ as well.
5467 * doc/tm.texi (Named Address Spaces): Likewise.
5468 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5469 * doc/tree-ssa.texi (Tree SSA): Likewise.
5471 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5474 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5475 by default. Don't set the default arch for
5476 i[34567]86-*-darwin*|x86_64-*-darwin*.
5478 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5481 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5482 default. Set the default 32bit/64bit archs with $with_arch
5483 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5485 2010-02-27 Richard Guenther <rguenther@suse.de>
5487 PR tree-optimization/43186
5488 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5489 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5490 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5491 unroller iterations.
5493 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5495 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5496 required and i[34567]86-*-* targets don't support 64bit ISA.
5498 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5501 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5504 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5506 * config.gcc: Set the default arch at least to Prescott for
5507 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5508 if SSE math is enabled.
5510 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5512 * diagnostic.c (diagnostic_initialize): Update.
5513 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5515 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5516 (diagnostic_inhibit_notes): New.
5517 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5519 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5522 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5523 * doc/standards.texi: Likewise.
5524 * doc/extend.texi: Likewise.
5525 * doc/trouble.texi: Likewise.
5526 * doc/cppopts.texi: Likewise.
5527 * doc/install.texi: Likewise.
5528 * c.opt (std=c90,std=gnu90): New options.
5529 * c-opts.c (c_common_handle_option): Handle them.
5531 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5534 * c-decl.c (undeclared_variable): Use an informative note.
5536 2010-02-26 Richard Guenther <rguenther@suse.de>
5538 PR tree-optimization/43186
5539 * gimple.h (gimple_fold): Remove.
5540 * gimple.c (gimple_fold): Remove. Inline into single user ...
5541 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5542 Try harder for conditions.
5544 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5547 * function.c (used_types_insert): Don't skip through named pointer
5548 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5549 and it is different from the main variant's type.
5551 2010-02-26 Nick Clifton <nickc@redhat.com>
5553 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5555 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5557 * config.gcc: Support --with-fpmath=sse for x86.
5559 * config/i386/ssemath.h: New.
5561 * doc/install.texi (--with-fpmath=sse): Documented.
5563 2010-02-26 Richard Guenther <rguenther@suse.de>
5565 PR tree-optimization/43188
5566 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5567 vector types of over-aligned element type.
5569 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5572 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5573 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5575 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5577 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5579 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5581 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5582 * var-tracking.c: Include diagnostic.h.
5583 (debug_dv): New function.
5584 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5587 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5588 (add_value_chain, add_value_chains, remove_value_chain,
5589 remove_value_chains): Handle DEBUG_EXPRs.
5590 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5593 * regcprop.c (struct queued_debug_insn_change): New type.
5594 (struct value_data_entry): Add debug_insn_changes field.
5595 (struct value_data): Add n_debug_insn_changes field.
5596 (debug_insn_changes_pool): New variable.
5597 (free_debug_insn_changes, apply_debug_insn_changes,
5598 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5599 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5600 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5602 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5604 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5605 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5606 changes, call cprop_find_used_regs via note_stores.
5607 (copyprop_hardreg_forward): When copying vd from predecessor
5608 which has any queued DEBUG_INSN changes, make sure the pointers are
5609 cleared. At the end call df_analyze and then if there are any
5610 DEBUG_INSN changes queued at the end of some basic block for still
5611 live registers, apply them.
5612 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5614 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5616 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5619 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5621 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5622 targets. Set the default with_cpu/with_arch from arch/cpu.
5623 Allow x86-64 and native for with_cpu/with_arch.
5625 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5627 * ebitmap.c: Change calls to verify_popcount with calls to
5628 sbitmap_verify_popcount.
5629 (ebitmap_clear_bit): Fixed map->cacheindex test and
5630 map>cache update when bit clearing results in an empty
5633 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5636 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5637 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5638 and support both V2DF and V2DI modes.
5639 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5640 support both V2DF and V2DI modes.
5641 (general): Delete trailing whitespace from a few patterns.
5643 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5644 V2DF/V2DI interleave high/low builtins.
5646 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5649 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5650 interleave high/low functions.
5652 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5654 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5655 #pragma extern_prefix.
5657 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5660 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5661 BLKmode, assert op0 is a MEM and just adjust its mode.
5664 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5665 if bitpos isn't multiple of mode's bitsize.
5667 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5669 * c.opt (-ftemplate-depth=): New.
5670 (-ftemplate-depth-): Deprecate.
5671 * optc-gen.awk: Handle -ftemplate-depth=.
5672 * opth-gen.awk: Likewise.
5673 * c-opts.c (c_common_handle_option): Likewise.
5674 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5676 2010-02-24 Jason Merrill <jason@redhat.com>
5678 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5680 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5682 * cfg.c (alloc_aux_for_block): Remove inline.
5683 (alloc_aux_for_edge): Likewise.
5685 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5687 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5689 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5691 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5692 * config/i386/sol2-gas.h: New file.
5693 * config.gcc (i[34567]86-*-solaris2*): Use it.
5695 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5698 * c-typeck.c (ep_convert_and_check): New.
5699 (build_conditional_expr): Use it.
5700 (build_binary_op): Likewise.
5702 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5704 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5707 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5708 bounds even for -O+.
5709 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5710 expr needs to have DECL_NAME set.
5712 2010-02-24 Nick Clifton <nickc@redhat.com>
5714 * config/mep/mep.c: Include gimple.h.
5715 (mep_function_uses_sp): Delete unused function.
5716 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5717 parameters. Use unsigned integers to count args. Return a
5718 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5720 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5723 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5724 greater or equal to nelt instead of 2 * nelt.
5725 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5728 2010-02-23 Jason Merrill <jason@redhat.com>
5731 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5732 in cfun->local_decls even if they have register types.
5735 * stor-layout.c (place_field): Don't warn about unnecessary
5736 DECL_PACKED if the type is packed.
5738 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5741 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5742 GOTOFF relocs, even when the base reg isn't pic pointer.
5744 2010-02-23 Michael Matz <matz@suse.de>
5747 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5748 (expand_gimple_basic_block): Generate and use debug temps if there
5749 are debug uses left after the last real use of TERed ssa names.
5750 Unlink debug immediate uses when they are expanded.
5752 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5755 * config/i386/i386.c (override_options): Reorganise to provide
5756 better error messages.
5758 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5761 * graphite-scop-detection.c (create_single_exit_edge): Move
5762 the call to find_single_exit_edge to....
5763 (create_sese_edges): ...here. Don't handle multiple edges
5764 exiting the function.
5765 (build_graphite_scops): Don't handle multiple edges
5766 exiting the function.
5768 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5771 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5772 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5774 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5777 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5779 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5782 * c-typeck.c (convert_arguments): Print declaration location.
5783 * c-common.c (validate_nargs): Rename as
5784 builtin_function_validate_nargs.
5785 (check_builtin_function_arguments): Update.
5787 2010-02-22 Richard Guenther <rguenther@suse.de>
5790 * tree-inline.c (declare_return_variable): Use the type of
5791 the call stmt lhs if available.
5793 2010-02-22 Duncan Sands <baldrick@free.fr>
5795 * passes.c (register_pass): Always consider all pass lists when
5796 ref_pass_instance_number is zero.
5798 2010-02-22 Richard Guenther <rguenther@suse.de>
5800 PR tree-optimization/42749
5801 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5802 parameter. Do arithmetic in the original type.
5803 (update_accumulator_with_ops): Likewise.
5804 (adjust_accumulator_values): Adjust.
5806 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5808 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5809 (QI to BLKmode splitter): New splitter.
5811 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5813 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5814 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5816 2010-02-22 Richard Guenther <rguenther@suse.de>
5818 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5820 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5822 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5823 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5824 ($(T)crti.o, $(T)crtn.o): Remove rules.
5826 2010-02-21 Tobias Burnus <burnus@net-b.de>
5829 * doc/invoke.texi (-fassociative-math): Document that this
5830 option is automatically enabled for Fortran.
5832 2010-02-20 David S. Miller <davem@davemloft.net>
5834 * configure.ac: Test if linker and assembler properly support
5835 GOTDATA_OP relocations.
5836 * configure: Rebuild.
5837 * config.in: Likewise.
5838 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5839 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5840 (movsi_high_pic): Likewise.
5841 (movdi_lo_sum_pic): Likewise.
5842 (movdi_high_pic): Likewise.
5843 (movsi_pic_gotdata_op): New pattern.
5844 (movdi_pic_gotdata_op): Likewise.
5845 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5846 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5848 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5851 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5852 attribute to ssemul.
5853 (xop_mulv2div2di3_high): Ditto.
5855 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5858 * c.opt (Wconversion-null): New option.
5859 * doc/invoke.texi (Wconversion-null): Document.
5861 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5863 * common.opt (Wlarger-than-): Add Undocumented.
5865 2010-02-19 Mike Stump <mikestump@comcast.net>
5867 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5869 2010-02-19 Jason Merrill <jason@redhat.com>
5872 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5873 * configure: Likewise.
5875 2010-02-20 Alan Modra <amodra@gmail.com>
5878 * cgraph.h (cgraph_make_decl_local): Declare.
5879 * cgraph.c (cgraph_make_decl_local): New function.
5880 (cgraph_make_node_local): Use it.
5881 * cgraphunit.c (cgraph_function_versioning): Likewise.
5882 * ipa.c (function_and_variable_visibility): Likewise.
5884 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5887 * except.c (sjlj_emit_function_enter): Don't call
5888 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5890 * rtl.h (add_reg_br_prob_note): Remove prototype.
5892 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5895 * c-common.c (conversion_warning): Remove widening conversions
5896 before checking the conversion of integers to reals.
5898 2010-02-19 Mike Stump <mikestump@comcast.net>
5901 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5904 * cgraphunit.c (process_function_and_variable_attributes): Check
5905 DECL_PRESERVE_P instead of looking up attribute "used".
5906 * ipa-pure-const.c (check_decl): Likewise.
5907 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5908 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5909 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5910 instead of attribute "used".
5911 * config/sol2-c.c (solaris_pragma_init): Likewise.
5912 (solaris_pragma_fini): Likewise.
5914 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5916 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5917 Use XCNEW instead of xcalloc.
5918 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5919 XNEW instead of xmalloc.
5920 (get_fields): Use XNEWVEC instead of xmalloc.
5923 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5924 populate vars array.
5925 (create_new_general_access): For debug stmts just reset value.
5926 (get_stmt_accesses): For accesses within debug stmts just record them
5927 using add_access_to_acc_sites instead of preventing the peeling or
5928 counting them as accesses.
5931 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5933 2010-02-19 Richard Guenther <rguenther@suse.de>
5935 PR tree-optimization/42916
5936 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5939 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5941 * configure.ac: Replace all uses of changequote in macro arguments
5942 with proper quoting.
5944 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5947 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5949 2010-02-19 Richard Guenther <rguenther@suse.de>
5951 PR tree-optimization/42944
5952 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5953 test for aliasing with errno.
5955 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5958 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5959 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5960 * dojump.c: Include output.h.
5961 (inv): New inline function.
5962 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5963 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5964 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5965 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5966 argument, pass it down to other calls.
5967 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5968 add REG_BR_PROB note to the conditional jump.
5969 * cfgexpand.c (add_reg_br_prob_note): Removed.
5970 (expand_gimple_cond): Don't call it, add the probability
5971 as last argument to jumpif_1/jumpifnot_1.
5972 * Makefile.in (dojump.o): Depend on output.h.
5973 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5975 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5976 * stmt.c (do_jump_if_equal): Likewise.
5977 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5978 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5979 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5981 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5982 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5983 jumpifnot_1 callers.
5984 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5986 (store_expr): Adjust jumpifnot caller.
5987 (store_constructor): Adjust jumpif caller.
5990 * gimplify.c (gimple_boolify): For __builtin_expect call
5991 gimple_boolify also on its first argument.
5993 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5995 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5997 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5998 * configure: Regenerated.
6000 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6002 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6003 lang_hooks.types_compatible_p instead of comptypes.
6005 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6007 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6008 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6009 if __prefer_thumb__ is defined.
6011 2010-02-18 Martin Jambor <mjambor@suse.cz>
6013 PR tree-optimization/43066
6014 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6015 array with zero-sized element type.
6017 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6019 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6020 rtx, allocate struct var_loc_node here and return it to the
6021 caller, and only if it is actually needed.
6022 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6023 move it earlier and return immediately if it returns NULL.
6025 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6027 * config/sparc/gas.h: New file. Restore
6028 TARGET_ASM_NAMED_SECTION to its ELF default.
6029 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6031 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6032 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6033 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6034 after sparc/sysv4.h.
6036 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6038 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6040 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6042 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6043 patterns from predicated pattern.
6045 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6048 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6049 for insn mnemonic suffix.
6051 2010-02-17 Richard Guenther <rguenther@suse.de>
6053 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6056 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6059 * caller-save.c (save_call_clobbered_regs): If BB ends with
6060 a DEBUG_INSN, move any notes in between last real insn and the last
6061 DEBUG_INSN after the last DEBUG_INSN.
6063 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6065 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6066 Fix return type. Fix argument type. Explain meaning of return value.
6068 2010-02-16 Richard Guenther <rguenther@suse.de>
6070 PR tree-optimization/41043
6071 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6072 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6074 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6076 2010-02-16 Ira Rosen <irar@il.ibm.com>
6078 PR tree-optimization/43074
6079 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6080 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6081 vectorizable cycles in hybrid SLP check.
6082 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6084 2010-02-16 Richard Guenther <rguenther@suse.de>
6086 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6087 (true_dependence): If memrefs_conflict_p computes must-alias
6088 trust it. Move TBAA check after offset-based disambiguation.
6089 (canon_true_dependence): Likewise.
6091 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6093 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6094 * doc/invoke.texi: Document it.
6095 * var-tracking.c: Include toplev.h and params.h.
6096 (vt_find_locations): Return bool indicating success. Compute
6097 hash sizes unconditionally. Check new parameter, report.
6098 (variable_tracking_main_1): Check vt_find_locations results and
6099 retry. Renamed from...
6100 (variable_tracking_main): ... this. New wrapper to preserve
6101 flag_var_tracking_assignments.
6102 * Makefile.in (var-tracking.o): Adjust dependencies.
6104 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6105 Jakub Jelinek <jakub@redhat.com>
6108 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6109 if weak_import attribute is present.
6110 * config/darwin.c (machopic_select_section): Likewise.
6112 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6114 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6115 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6116 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6117 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6119 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6122 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6125 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6126 Rewrite text to refer to the names.
6128 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6130 * config/i386/i386-builtin-types.def
6131 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6132 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6133 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6134 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6135 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6136 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6137 IX86_BUILTIN_VPERMIL2PS256.
6138 (MULTI_ARG_4_DF2_DI_I): Defined.
6139 (MULTI_ARG_4_DF2_DI_I1): Defined.
6140 (MULTI_ARG_4_SF2_SI_I): Defined.
6141 (MULTI_ARG_4_SF2_SI_I1): Defined.
6142 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6143 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6144 __builtin_ia32_vpermil2ps256.
6145 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6146 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6147 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6148 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6149 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6150 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6151 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6152 CODE_FOR_xop_vpermil2v8sf3.
6153 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6154 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6155 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6156 (_mm256_permute2_pd): New.
6157 (_mm_permute2_ps): New.
6158 (_mm256_permute2_ps): New.
6160 2010-02-15 Nick Clifton <nickc@redhat.com>
6162 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6163 boolean parameters. Use emit_jump_insn when emitting a pop
6164 instruction containing a return insn.
6165 (push): Use 'true' rather than '1' as second parameter to F.
6166 (h8300_expand_prologue): Likewise.
6167 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6168 (h8300_expand_epilogue): Likewise.
6170 2010-02-15 Richard Guenther <rguenther@suse.de>
6173 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6176 2010-02-15 Nick Clifton <nickc@redhat.com>
6178 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6181 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6183 * intl.c (fake_ngettext): New function.
6184 * intl.h (fake_ngettext): Declare.
6185 (ngettext): Define macro.
6186 * collect2.c (notice_translated): New function.
6187 (main): Use notice_translated and ngettext.
6188 * collect2.h (notice_translated): Declare.
6190 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6192 * reorg.c (delete_computation): Comment fixes.
6193 * caller-save.c (setup_save_areas): Idem.
6194 * sel-sched-dump.c (dump_lv_set): Idem.
6197 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6199 * config/s390/s390.c (s390_sched_init): New function.
6200 (TARGET_SCHED_INIT): Target hook defined.
6202 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6203 Jack Howarth <howarth@bromo.med.uc.edu>
6204 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6207 Partial revert of unintended change in fix for PR41605.
6208 * config/darwin.h: Fix typo.
6209 * config/darwin9.h: Same.
6211 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6213 * c-pch.c (pch_init): Clear v.
6215 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6218 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6219 graphite_can_represent_init for MULT_EXPR.
6221 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6225 * graphite-sese-to-poly.c (remove_phi): New.
6226 (translate_scalar_reduction_to_array): Call remove_phi.
6228 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6231 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6232 * graphite-clast-to-gimple.h (gloog): Update declaration.
6233 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6234 * graphite-poly.h (struct poly_bb): Add missing comments.
6235 (struct scop): Add poly_scop_p field.
6237 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6238 * graphite.c (graphite_transform_loops): Build the polyhedral
6239 representation for each scop before code generation.
6240 * sese.c (rename_variables_in_operand): Removed.
6241 (rename_variables_in_expr): Return the renamed expression.
6242 (rename_sese_parameters): New.
6243 * sese.h (rename_sese_parameters): Declared.
6245 2010-02-11 Richard Guenther <rguenther@suse.de>
6247 PR tree-optimization/42998
6248 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6249 POINTER_PLUS_EXPR properly.
6251 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6252 Changpeng Fang <changpeng.fang@amd.com>
6255 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6256 the cost of an IV candidate when the IV is used in a test against zero.
6258 * gcc.dg/tree-ssa/ivopts-3.c: New.
6260 2010-02-11 Richard Guenther <rguenther@suse.de>
6263 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6264 pointer-vs-decl case by swapping refs. Handle some cases
6265 of pointer-vs-decl disambiguations more conservatively.
6266 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6267 to false after expanding.
6269 2010-02-11 Richard Guenther <rguenther@suse.de>
6272 * gcc.c (process_command): Handle LTO file@offset case more
6275 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6277 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6278 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6280 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6282 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6283 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6284 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6285 Optimize eq/ne comparisons when both arguments are known to be
6287 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6288 Don't mask operands unnecessarily if they are known to be already
6291 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6293 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6296 2010-02-10 Richard Guenther <rguenther@suse.de>
6298 PR tree-optimization/43017
6299 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6300 for wrapping signed arithmetic.
6302 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6305 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6306 if no debug info should be emitted for it.
6308 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6310 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6311 note when flag_exceptions is set.
6313 2010-02-10 Duncan Sands <baldrick@free.fr>
6315 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6317 2010-02-10 Richard Guenther <rguenther@suse.de>
6320 * tree.c (get_unwidened): Handle constants.
6321 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6323 2010-02-10 Martin Jambor <mjambor@suse.cz>
6326 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6327 check for variable argument counts independently.
6329 2010-02-10 Christian Bruel <christian.bruel@st.com>
6332 * config/sh/sh.c (find_barrier): Increase length for non delayed
6333 conditional branches.
6335 2010-02-10 Christian Bruel <christian.bruel@st.com>
6337 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6339 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6341 * builtins.c (set_builtin_user_assembler_name): Also handle
6342 ffs if int is smaller than word.
6344 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6347 * ira-conflicts.c (get_dup): Remove.
6348 (process_reg_shuffles): Add new parameter. Use it as an
6349 additional guard for copy generation.
6350 (add_insn_allocno_copies): Rewrite.
6352 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6354 * common.opt (fsched2-use-traces): Preserved for backward
6356 * doc/invoke.texi: Remove the documentation about option
6357 -fsched2-use-traces.
6358 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6359 flag_sched2_use_traces.
6360 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6361 the backward compatibility flag section.
6363 2010-02-09 Richard Guenther <rguenther@suse.de>
6365 PR tree-optimization/43008
6366 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6367 make HEAP variables initialized from global memory if they
6368 are not known builtin functions.
6369 (find_func_aliases): Adjust.
6371 2010-02-09 Richard Guenther <rguenther@suse.de>
6373 PR tree-optimization/43000
6374 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6375 arithmetic manually.
6377 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6379 PR tree-optimization/42931
6380 * tree-loop-linear.c (try_interchange_loops): Don't call
6381 double_int_mul if estimated_loop_iterations failed.
6383 2010-02-08 Martin Jambor <mjambor@suse.cz>
6386 * tree-sra.c (build_accesses_from_assign): Do not mark in
6387 should_scalarize_away_bitmap if stmt has volatile ops.
6388 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6391 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6393 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6395 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6397 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6400 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6403 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6405 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6408 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6409 to unknown_dependence.
6410 (graphite_legal_transform_dr): Handle the unknown_dependence.
6411 (graphite_carried_dependence_level_k): Same.
6413 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6415 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6417 2010-02-07 Richard Guenther <rguenther@suse.de>
6420 * expr.c (get_inner_reference): Always initialize *pbitsize.
6422 2010-02-07 Richard Guenther <rguenther@suse.de>
6425 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6426 new ARRAY_REFs on variable size element or minimal index arrays.
6428 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6429 gimple_fold_indirect_ref.
6431 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6434 * arm.c (arm_override_options): Just return if the user has specified
6435 an invalid fpu name.
6437 2010-02-03 Jason Merrill <jason@redhat.com>
6440 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6441 i386_pe_maybe_record_exported_symbol.
6443 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6446 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6447 (pa_delegitimize_address): New function.
6449 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6451 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6452 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6454 2010-02-05 Richard Guenther <rguenther@suse.de>
6457 * lto-streamer-in.c (get_resolution): Deal with references
6458 to undefined functions.
6460 2010-02-05 Richard Guenther <rguenther@suse.de>
6462 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6463 (fold_const_aggregate_ref): Likewise.
6464 (ccp_fold_stmt): Substitute loads.
6465 (maybe_fold_reference): Verify types before substituting.
6467 (fold_gimple_assign): Unshare properly.
6468 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6470 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6472 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6473 for rs6000_gen_cell_microcode.
6475 2010-02-04 Richard Guenther <rguenther@suse.de>
6477 PR rtl-optimization/42952
6478 * dse.c (const_or_frame_p): Remove MEM handling.
6480 2010-02-04 Nick Clifton <nickc@redhat.com>
6482 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6483 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6484 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6485 (mn10300_asm_output_mi_thunk): New function.
6486 (mn10300_can_output_mu_thunk): New function.
6487 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6488 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6489 (FUNCTION_ARG): Delete incorrect comment.
6491 2010-02-03 Jason Merrill <jason@redhat.com>
6494 * fold-const.c (operand_equal_p): Handle erroneous types.
6496 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6498 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6500 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6502 PR rtl-optimization/42941
6503 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6506 2010-02-03 Jason Merrill <jason@redhat.com>
6509 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6511 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6514 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6515 (cselib_reset_table): Renamed from...
6516 (cselib_reset_table_with_next_value): ... this.
6517 (cselib_get_next_uid): Renamed from...
6518 (cselib_get_next_unknown_value): ... this.
6519 * cselib.c (next_uid): Renamed from...
6520 (next_unknown_value): ... this.
6521 (cselib_clear_table): Adjust.
6522 (cselib_reset_table): Adjust. Renamed from...
6523 (cselib_reset_table_with_next_value): ... this.
6524 (cselib_get_next_uid): Adjust. Renamed from...
6525 (cselib_get_next_unknown_value): ... this.
6526 (get_value_hash): Use hash.
6527 (cselib_hash_rtx): Likewise.
6528 (new_cselib_val): Adjust. Set and dump uid.
6529 (cselib_lookup_mem): Pass next_uid as hash.
6530 (cselib_subst_to_values): Likewise.
6531 (cselib_log_lookup): Dump uid.
6532 (cselib_lookup): Pass next_uid as hash. Adjust.
6533 (cselib_process_insn): Adjust.
6534 (cselib_init): Initialize next_uid.
6535 (cselib_finish): Adjust.
6536 (dump_cselib_table): Likewise.
6537 * dse.c (canon_address): Dump value uid.
6538 * print-rtl.c (print_rtx): Print value uid.
6539 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6541 (dv_uid): New function, sort of renamed from...
6542 (dv_htab_hash): ... this, reimplemented in terms of it and...
6543 (dv_uid2hash): ... this. New.
6544 (variable_htab_eq): Drop excess assertions.
6545 (tie_break_pointers): Removed.
6546 (canon_value_cmp): Compare uids.
6547 (variable_post_merge_New_vals): Print uids.
6548 (vt_add_function_parameters): Adjust.
6549 (vt_initialize): Reset table. Adjust.
6551 2010-02-03 Richard Guenther <rguenther@suse.de>
6553 PR tree-optimization/42944
6554 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6555 (call_may_clobber_ref_p_1): Likewise. Properly handle
6556 malloc and calloc clobbering errno.
6558 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6560 * doc/invoke.texi: Fix name of sched1 dump.
6562 * opts.c (decode_options): Set flag_tree_switch_conversion
6563 only conditionally on optimize >= 2.
6565 * gcse.c: Assorted comment fixes in pass description.
6567 2010-02-03 Anthony Green <green@moxielogic.com>
6569 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6570 nop padding in order to maintain alignment of storage location of
6571 target function address.
6572 (moxie_trampoline_init): Store target function address at newly
6574 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6576 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6578 2010-02-03 Richard Guenther <rguenther@suse.de>
6581 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6583 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6585 * config.gcc: Reenable check for obsolete targets.
6586 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6587 mips-sgi-irix6.[0-4]*.
6589 2010-02-02 Nick Clifton <nickc@redhat.com>
6591 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6592 constant size of 4 as being the same as 0.
6593 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6594 can take values in the range 0..4.
6596 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6599 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6600 as _darwin10_Unwind_FindEnclosingFunction().
6601 * libgcc-libsystem.ver: New.
6603 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6606 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6607 implicitly set registers.
6609 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6611 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6612 (arm_override_options): Allow automatic selection of the thread
6613 pointer register if thumb2.
6614 (legitimize_pic_address): Improve code sequences for Thumb2.
6615 (arm_call_tls_get_addr): Likewise.
6616 (legitimize_tls_address): Likewise.
6617 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6618 (pic_load_addr_32bit): ... this. New named pattern.
6619 * thumb2.md (pic_load_addr_thumb2): Delete.
6620 (pic_load_dot_plus_four): Delete.
6621 (tls_load_dot_plus_four): New named pattern.
6623 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6626 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6627 Document fix for TLS bug.
6629 2010-01-31 Richard Guenther <rguenther@suse.de>
6631 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6632 conservatively correct.
6634 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6638 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6640 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6642 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6644 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6646 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6648 * config.gcc: Adjust order of makefile fragments for mingw targets.
6650 2010-01-31 Richard Guenther <rguenther@suse.de>
6653 * gimplify.c (gimplify_init_constructor): For volatile LHS
6654 initialize a temporary.
6656 2010-01-31 Matthias Klose <doko@ubuntu.com>
6658 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6660 * configure: Regenerate.
6662 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6664 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6665 the same alias set and their sizes different constantness.
6666 (aliasing_component_refs_p): Revert 2009-10-24 change.
6668 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6670 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6673 2010-01-29 Richard Guenther <rguenther@suse.de>
6675 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6676 Assert we successfully updated the call.
6678 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6680 PR rtl-optimization/42889
6681 * df.h (df_set_bb_dirty_nonlr): New prototype.
6682 * df-core.c (df_set_bb_dirty_nonlr): New function.
6683 * df-scan.c (df_insn_rescan): Call it instead of
6684 df_set_bb_dirty for DEBUG_INSNs.
6686 2010-01-29 Richard Guenther <rguenther@suse.de>
6689 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6690 quadratic behavior in most cases.
6692 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6695 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6696 in the call to gen_x86_movsicc_0_m1.
6698 2010-01-28 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/42871
6701 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6703 2010-01-28 Richard Guenther <rguenther@suse.de>
6705 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6706 into call arguments.
6708 2010-01-28 Richard Guenther <rguenther@suse.de>
6711 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6712 the forwarder if the destination is an EH landing pad.
6714 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6716 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6717 block list passed to gimple_duplicate_sese_tail.
6718 (parallelize_loops): Avoid parallelization when the function
6720 Avoid parallelization when the preheader is IRREDUCIBLE.
6721 Try to optimize when estimated_loop_iterations_int is unresolved.
6722 Add the loop's location to the dump file.
6723 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6724 (gimple_duplicate_sese_tail): Remove the check for the latch.
6725 Redirect nexits to the exit block.
6726 Remove handling of the incoming edges to the latch.
6727 Redirect the backedge from the copied latch to the exit bb.
6729 2010-01-28 Michael Matz <matz@suse.de>
6732 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6733 Wrap force_reg into a sequence, emit it before user.
6735 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6737 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6739 (arm_legacy_rev): Likewise.
6740 (thumb_legacy_rev): Likewise.
6742 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6744 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6745 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6746 on MEM's address failed, try avoid_constant_pool_reference and
6747 recurse if it returned something different.
6748 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6749 address, try avoid_constant_pool_reference and recurse if it
6750 returned something different.
6751 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6752 address and avoid_constant_pool_reference returned something
6753 different, don't set have_address.
6755 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6758 * var-tracking.c (val_store): Add modified argument, obey it.
6760 (count_uses): Move down logging of main.
6761 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6762 don't need resolution.
6763 (emit_notes_in_bb): Likewise.
6765 2010-01-27 Richard Guenther <rguenther@suse.de>
6768 * tree-inline.c (remap_decl): Delay remapping of SSA name
6769 default definitions until we need them.
6771 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6773 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6774 (rs6000_delegitimize_address): New function.
6776 * config/s390/s390.c (s390_delegitimize_address): Call
6777 delegitimize_mem_from_attrs.
6780 * tree-inline.c (cannot_copy_type_1): Removed.
6781 (copy_forbidden): Don't forbid copying of functions containing
6782 records/unions with variable length fields.
6784 2010-01-27 Christian Bruel <christian.bruel@st.com>
6788 * config/sh/sh.c (find_barrier): Increase length for non delayed
6789 conditional branches.
6791 2010-01-27 Matthias Klose <doko@ubuntu.com>
6793 * configure.ac (gnu-unique-object): Fix ldd version check.
6794 * configure: Regenerate.
6796 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6798 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6800 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6801 Test for HAVE_GNU_AS value.
6803 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6805 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6806 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6807 INT64_TYPE): Define.
6808 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6809 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6810 INT_LEAST64_TYPE): Define.
6811 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6812 UINT_LEAST64_TYPE): Define.
6813 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6814 INT_FAST64_TYPE): Define.
6815 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6816 UINT_FAST64_TYPE): Define.
6817 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6818 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6819 (SIG_ATOMIC_TYPE): Define.
6821 2010-01-26 Richard Guenther <rguenther@suse.de>
6823 * df-scan.c (df_scan_set_bb_info): Remove assert.
6824 (df_insn_rescan_debug_internal): Merge asserts.
6825 (df_install_ref): Likewise.
6826 (df_mark_reg): Use bitmap_set_range.
6827 (df_hard_reg_used_p): Remove assert.
6828 (df_hard_reg_used_count): Likewise.
6830 2010-01-26 Richard Guenther <rguenther@suse.de>
6832 PR rtl-optimization/42685
6833 * web.c (web_main): Ignore DEBUG_INSNs.
6835 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6837 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6839 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6840 Fix types of fndecl and arglist parameters.
6842 2010-01-26 Richard Guenther <rguenther@suse.de>
6845 * tree-eh.c (unsplit_eh): Skip debug insns.
6847 2010-01-26 Richard Guenther <rguenther@suse.de>
6849 PR tree-optimization/42250
6850 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6852 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6855 * omp-low.c (expand_omp_sections): Only use single_pred if
6856 l2_bb is single_pred_p.
6858 2010-01-25 Christian Bruel <christian.bruel@st.com>
6861 * config/sh/sh.c (find_barrier): Increase length for non delayed
6862 conditional branches.
6863 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6865 2010-01-24 David S. Miller <davem@davemloft.net>
6867 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6868 define if not using GAS.
6869 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6870 Likewise. Delete SECTION_MERGE code, which is only applicable
6873 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6876 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6877 mangling of va_list in system headers.
6879 2010-01-23 Toon Moene <toon@moene.org>
6881 * tree-predcom.c (combine_chains): Return NULL, not false.
6883 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6885 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6886 initialization of variable res to agree with return type.
6888 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6890 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6891 * tree-sra.c: Add include of expr.h.
6893 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6895 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6896 insert the debug stmt on the single non-EH edge from the stmt.
6898 2010-01-22 Richard Henderson <rth@redhat.com>
6901 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6902 the RHS until after generate_subtree_copies has insertted its
6903 code before the current statement.
6905 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6907 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6909 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6911 2010-01-21 Martin Jambor <mjambor@suse.cz>
6913 PR tree-optimization/42585
6914 * tree-sra.c (struct access): New field grp_total_scalarization.
6915 (dump_access): Dump the new field.
6916 (should_scalarize_away_bitmap): New variable.
6917 (cannot_scalarize_away_bitmap): Likewise.
6918 (sra_initialize): Allocate new bitmaps.
6919 (sra_deinitialize): Free new bitmaps.
6920 (create_access_1): New function.
6921 (create_access): Parts moved to create_access_1.
6922 (type_consists_of_records_p): New function.
6923 (completely_scalarize_record): Likewise.
6924 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6925 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6926 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6928 (analyze_all_variable_accesses): Completely scalarize small eligible
6931 2010-01-21 Martin Jambor <mjambor@suse.cz>
6933 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6935 2010-01-21 Andrew Haley <aph@redhat.com>
6937 * gcc.c (process_command): Move lang_specific_driver before
6938 setting cc_libexec_prefix.
6940 2010-01-21 Richard Guenther <rguenther@suse.de>
6943 * fold-const.c (negate_expr_p): Pretend only negative
6944 real constants are easily negatable.
6946 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6947 Jason Merrill <jason@redhat.com>
6949 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6950 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6951 * calls.c (initialize argument_information): Handle it.
6952 * c-common.c (handle_transparent_union_attribute): Use new name.
6953 * c-decl.c (finish_struct): Ditto.
6954 * c-typeck.c (type_lists_compatible_p): Ditto.
6955 (convert_for_assignment): Use new name and also handle record.
6956 * function.c (aggregate_value_p): Handle it.
6957 (pass_by_reference): Ditto.
6958 (assign_parm_data_types): Ditto.
6959 * print-tree.c (print_node): Ditto.
6960 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6961 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6962 * tree.c (first_field): New fn.
6964 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6967 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6968 even when linking statically, for now.
6970 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6973 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6974 without a cselib val.
6975 (count_uses): Accept MO_VAL_SET with no val on stores.
6976 (add_stores): Likewise.
6978 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6980 * var-tracking.c (check_value_val): Add a compile time assertion.
6981 (dv_is_decl_p): Simplify.
6982 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6983 gcc_assert if ENABLE_CHECKING.
6985 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6988 * var-tracking.c: Include tree-flow.h.
6989 (mem_dies_at_call): New.
6990 (dataflow_set_preserve_mem_locs): Use it.
6991 (dataflow_set_remove_mem_locs): Likewise.
6992 (dump_var): Renamed from dump_variable. Adjust all callers.
6993 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6994 * Makefile.in (var-tracking.o): Adjust deps.
6996 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6998 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7000 2010-01-20 Richard Guenther <rguenther@suse.de>
7002 PR tree-optimization/42717
7003 * tree-ssa-dce.c (get_live_post_dom): Remove.
7004 (forward_edge_to_pdom): Take an arbitrary edge to copy
7005 degenerate PHI args from.
7006 (remove_dead_stmt): Use the first post-dominator even if it
7007 does not contain live statements as redirection destination.
7009 2010-01-20 Richard Guenther <rguenther@suse.de>
7011 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7013 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7015 * sel-sched.c (create_speculation_check): Remove set but not used
7017 (try_transformation_cache): Remove set but not used variable ds.
7018 (calculate_privileged_insns): Remove set but not used variables
7019 cur_insn and min_spec_insn.
7020 (find_best_expr): Remove set but not used variable avail_n.
7021 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7023 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7025 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7026 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7029 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7032 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7033 cpu types. Add support for *-sse3 cpu types.
7034 (x86_64-*-*): Ditto.
7036 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7039 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7040 argument, call initializer_constant_valid_p_1 instead of
7041 initializer_constant_valid_p, pass CACHE to it, return NULL
7042 immediately if first call returns NULL.
7043 (initializer_constant_valid_p_1): New function.
7044 (initializer_constant_valid_p): Use it.
7046 2010-01-20 Thomas Quinot <quinot@adacore.com>
7048 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7050 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7052 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7053 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7054 (loc_list_from_tree): Don't handle unsigned division. Handle
7055 signed modulo using DW_OP_{over,over,div,mul,minus}.
7056 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7057 modulo instead of signed.
7059 2010-01-20 DJ Delorie <dj@redhat.com>
7061 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7063 (h8300_emit_stack_adjustment): Propogate it.
7065 (h8300_expand_prologue): Likewise.
7066 (h8300_expand_epilogue): Likewise.
7068 2010-01-19 Michael Matz <matz@suse.de>
7070 PR tree-optimization/41783
7071 * tree-data-ref.c (toplevel): Include flags.h.
7072 (dump_data_dependence_relation): Also dump the inputs if the
7073 result will be unknown.
7074 (split_constant_offset_1): Look through some conversions.
7075 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7076 the offset from last element is too large.
7077 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7078 (reassociate_to_the_same_stmt): Handle vector registers.
7079 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7081 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7082 wide_prolog_niters argument, emit widening instructions.
7083 (vect_do_peeling_for_alignment): Adjust caller, use widened
7084 variant of the iteration cound.
7085 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7087 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7090 * config/arm/neon-testgen.m (emit_automatics): New parameter
7091 features. Adjust for Fixed_return_reg feature.
7092 (test_intrinsic): Call emit_automatics with new feature.
7093 * config/arm/neon.ml: Update copyright years.
7094 (features): New Fixed_return_reg feature.
7095 (ops): Update feature for Vget_low.
7097 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7099 PR tree-optimization/42719
7100 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7104 * fwprop.c (all_uses_available_at): Return false if def_set dest
7105 is a REG that is used in def_insn.
7107 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7109 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7111 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7114 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7116 * target.h (struct gcc_target) <secondary_reload>: Change type
7117 of last argument to secondary_reload_info *.
7119 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7122 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7123 memory references with unaligned offsets. Remove CQImode handling.
7124 (unaligned_memory_operand): Return 1 for memory references with
7125 unaligned offsets. Remove CQImode handling.
7127 2010-01-18 Richard Guenther <rguenther@suse.de>
7130 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7133 2010-01-18 Richard Guenther <rguenther@suse.de>
7135 PR tree-optimization/42781
7136 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7137 restrict processing only if the original variable was artificial.
7139 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7141 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7142 find number of popped argument bytes.
7144 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7145 Fix the text that describes the return value for invalid insns.
7147 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7149 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7150 Clarify what 'cost of the -dependence' is. Fix quoting.
7152 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7153 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7155 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7157 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7158 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7160 2010-01-17 Richard Guenther <rguenther@suse.de>
7163 * function.c (split_complex_args): Take a VEC to modify.
7164 (assign_parms_augmented_arg_list): Build a VEC instead of
7165 a chain of PARM_DECLs.
7166 (assign_parms_unsplit_complex): Take a VEC of arguments.
7167 Do not fixup unmodified parms.
7168 (assign_parms): Deal with the VEC.
7169 (gimplify_parameters): Likewise.
7171 2010-01-17 Richard Guenther <rguenther@suse.de>
7173 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7174 node existence check.
7175 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7176 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7177 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7178 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7179 (gimple_execute_on_growing_pred): Likewise.
7181 2010-01-17 Richard Guenther <rguenther@suse.de>
7183 PR tree-optimization/42773
7184 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7185 (compute_antic_aux): Likewise.
7186 (compute_partial_antic_aux): Likewise.
7188 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7191 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7194 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7196 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7199 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7200 Fix markup for strict argument.
7202 (TARGET_SCHED_REORDER2): Fix argument types.
7204 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7205 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7207 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7208 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7210 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7213 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7214 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7215 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7216 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7217 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7219 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7221 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7223 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7224 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7226 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7228 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7231 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7233 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7234 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7236 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7238 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7240 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7241 referring to it. Fix language.
7243 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7245 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7247 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7249 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7251 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7252 '@var{stream}. Remove stray 'and'.
7254 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7256 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7258 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7260 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7261 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7263 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7264 Fix description of return value.
7265 Rename argument "sz" to "len."
7267 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7268 Clarify meaning of 'true' return value.
7270 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7272 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7273 rep_mode versus mode_rep.
7275 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7277 (TARGET_BUILTIN_DECL): Fix name.
7279 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7281 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7283 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7285 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7287 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7289 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7292 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7293 Rename argument tm_fn to md_fn.
7295 (TARGET_OPTION_PRINT): Fix argument list.
7297 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7300 * config/i386/i386.c (ix86_fixup_binary_operands):
7301 Revert FMA4 fixup of operands.
7303 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7306 * Makefile.in (write_entries_to_file, install-plugin):
7307 Use \012 instead of \n with tr.
7309 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7311 * configure.ac (HAVE_AS_REF): New C macro.
7312 * configure: Regenerate.
7313 * config.in: Likewise.
7314 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7316 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7319 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7321 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7323 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7325 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7327 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7329 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7331 (TARGET_BINDS_LOCAL_P): Fix argument type.
7333 (TARGET_ASM_FILE_END): Use prototype.
7335 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7337 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7339 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7341 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7343 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7344 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7346 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7347 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7349 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7350 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7351 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7352 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7354 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7356 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7358 (TARGET_INIT_BUILTINS): Use prototype.
7360 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7361 Put 'const char *' in braces. Fix parameter types.
7362 (TARGET_INVALID_CONVERSION): Fix parameter types.
7363 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7364 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7366 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7369 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7371 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7373 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7375 * doc/tm.texi (TARGET_HELP): Fix return type.
7377 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7378 in braces. Fix argument types.
7380 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7382 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7384 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7386 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7387 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7389 (TARGET_MANGLE_TYPE): Fix argument types.
7391 (TARGET_IRA_COVER_CLASSES): Use prototype.
7393 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7395 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7397 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7399 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7401 (TARGET_CALLEE_COPIES): Fix argument types.
7403 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7405 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7407 (TARGET_FUNCTION_VALUE): Fix argument types.
7409 (TARGET_RETURN_IN_MSB): Fix argument type.
7411 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7413 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7415 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7417 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7418 agree with return type.
7420 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7422 2010-01-15 Jing Yu <jingyu@google.com>
7424 PR rtl-optimization/42691
7425 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7426 a pseudo to a constant and are merged, and adjust comments.
7428 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7430 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7432 2010-01-15 Richard Guenther <rguenther@suse.de>
7435 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7436 labels of computed or non-local gotos to the destination.
7437 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7438 landing pad label is the first label.
7440 2010-01-15 Richard Guenther <rguenther@suse.de>
7442 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7444 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7447 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7448 to allow generation of the xssqrtdp instruction on power7.
7449 (sqrtdf2_fpr): Ditto.
7451 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7454 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7455 functions with noreturn attribute.
7458 * varasm.c (declare_weak): Add weak attribute to decl if it
7459 doesn't have one already.
7460 (assemble_external): Only add decls to weak_decls if they also
7461 have weak attribute.
7463 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7465 * var-tracking.c (var_reg_delete): Don't delete the association
7466 between REGs and values or one-part variables if the register
7469 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7472 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7473 because its first operand is a non-localized variable.
7475 2010-01-14 Martin Jambor <mjambor@suse.cz>
7477 PR tree-optimization/42706
7478 * tree-sra.c (encountered_recursive_call): New variable.
7479 (encountered_unchangable_recursive_call): Likewise.
7480 (sra_initialize): Initialize both new variables.
7481 (callsite_has_enough_arguments_p): New function.
7482 (scan_function): Call decl and flags check only for IPA-SRA, check
7483 whether there is a recursive call and whether it has enough arguments.
7484 (all_callers_have_enough_arguments_p): New function.
7485 (convert_callers): Look for recursive calls only when
7486 encountered_recursive_call is set.
7487 (ipa_early_sra): Bail out either if
7488 !all_callers_have_enough_arguments_p or
7489 encountered_unchangable_recursive_call.
7491 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7493 * sel-sched.c: Add 2010 to copyright years.
7494 * sel-sched-ir.c: Likewise.
7495 * sel-sched-ir.h: Likewise.
7497 2010-01-14 Martin Jambor <mjambor@suse.cz>
7499 PR tree-optimization/42714
7500 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7501 constructors specially.
7503 2010-01-14 Andi Kleen <ak@linux.intel.com>
7505 * config/i386/drivers-i386.c (detect_caches_intel):
7506 Add l2sizekb parameter and fill in.
7507 (host_detect_local_cpu): Add l2sizekb, fill in.
7508 Add Atom small cache heuristic.
7510 2010-01-14 Andi Kleen <ak@linux.intel.com>
7512 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7513 Add level3 parameter and fill in.
7514 (detect_caches_intel): Handle level3 cache.
7516 2010-01-14 Andi Kleen <ak@linux.intel.com>
7518 * config/i386/drivers-i386.c (host_detect_local_cpu):
7519 Fix core duo detection.
7521 2010-01-14 Andi Kleen <ak@linux.intel.com>
7523 * config/i386/drivers-i386.c (host_detect_local_cpu):
7526 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7528 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7529 (rs6000_variable_issue_1): this. Use...
7530 (rs6000_variable_issue): here. Reimplement. Print debug info.
7532 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7534 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7535 sel_restore_notes. Update all callers. Call reemit_notes
7538 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7540 PR rtl-optimization/42246
7541 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7544 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7546 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7547 all successors is the same as number of successors in current region.
7549 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7551 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7552 to rename is not separable. Otherwise check that its LHS is not NULL.
7554 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7556 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7558 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7560 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7561 available registers when failed to discover LHS register class.
7562 Fix indentation. Update comment.
7564 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7565 Alexander Monakov <amonakov@ispras.ru>
7567 PR rtl-optimization/42389
7568 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7570 (advance_state_on_fence): Likewise.
7571 (sel_target_adjust_priority): Print debug output only when
7572 sched_verbose >= 4, not 2.
7573 (get_expr_cost): Do not issue all unique insns on the next cycle.
7574 (fill_insns): Initialize can_issue_more from the value saved
7576 * sel-sched-ir.c (flist_add): New parameter issue_more.
7577 Init FENCE_ISSUE_MORE with it.
7578 (merge_fences): Likewise.
7579 (init_fences): Update call to flist_add.
7580 (add_to_fences, add_clean_fence_to_fences)
7581 (add_dirty_fence_to_fences): Likewise.
7582 (move_fence_to_fences): Update call to merge_fences.
7583 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7585 * sel-sched-ir.h (struct _fence): New field issue_more.
7586 (FENCE_ISSUE_MORE): New accessor macro.
7588 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7590 PR rtl-optimization/42388
7591 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7592 that have no predecessors nor successors. Do not call move_bb_info
7593 for empty blocks outside of current region.
7595 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7597 PR rtl-optimization/42294
7598 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7599 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7600 originators' originators.
7602 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7604 PR rtl-optimization/39453
7605 PR rtl-optimization/42246
7606 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7608 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7610 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7611 Alexander Monakov <amonakov@ispras.ru>
7614 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7615 (maybe_tidy_empty_bb): ... here. Make static. Add new
7616 argument. Update all callers.
7617 (tidy_control_flow): ... and here. Recompute topological order
7618 of basic blocks in region if necessary.
7619 (sel_redirect_edge_and_branch): Change return type. Return true
7620 if topological order might have been invalidated.
7621 (purge_empty_blocks): Export and move from...
7622 * sel-sched.c (purge_empty_blocks): ... here.
7623 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7624 (maybe_tidy_empty_bb): Delete prototype.
7625 (purge_empty_blocks): Declare.
7627 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7629 PR rtl-optimization/42249
7630 * sel-sched.c (try_replace_dest_reg): When chosen register
7631 and original register is the same, do not bail out early, but
7632 still check all original insns for validity of replacing destination
7633 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7636 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7639 Port from no-undefined-overflow branch:
7640 2009-03-09 Richard Guenther <rguenther@suse.de>
7642 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7644 2010-01-14 Richard Guenther <rguenther@suse.de>
7647 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7649 2010-01-14 Ira Rosen <irar@il.ibm.com>
7651 PR tree-optimization/42709
7652 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7653 as scalar type in creation of constant vector operand.
7655 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7658 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7659 (check-parallel-%): Match `testsuite' directory component only
7662 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7664 PR translation/39521
7665 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7668 2010-01-13 Richard Guenther <rguenther@suse.de>
7670 PR tree-optimization/42730
7671 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7674 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7677 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7678 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7681 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7683 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7684 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7685 ___umulsi3_highpart.
7687 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7688 rather than schedule_insns if the pass is enabled.
7690 2010-01-13 Martin Jambor <mjambor@suse.cz>
7692 PR tree-optimization/42704
7693 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7696 2010-01-13 Martin Jambor <mjambor@suse.cz>
7698 PR tree-optimization/42703
7699 * tree-sra.c (analyze_access_subtree): Check that we can build a
7700 reference to the original data within the aggregate.
7702 2010-01-13 Richard Guenther <rguenther@suse.de>
7704 PR tree-optimization/42705
7705 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7707 2010-01-13 Richard Guenther <rguenther@suse.de>
7710 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7712 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7715 * var-tracking.c (values_to_unmark): New variable.
7716 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7717 values_to_unmark vector. Moved body to...
7718 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7719 instead queue it into values_to_unmark vector.
7720 (vt_find_locations): Free values_to_unmark vector.
7722 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7724 * config/s390/s390.c (override_options): Set
7725 default of max-pending-list-length to 256
7727 2010-01-13 Richard Guenther <rguenther@suse.de>
7730 * tree-pass.h (PROP_gimple_lcx): New.
7731 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7732 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7733 before the final cleanup_eh.
7734 (dump_properties): Dump PROP_gimple_lcx.
7735 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7736 (tree_lower_complex_O0): Remove.
7737 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7738 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7739 tree_lower_complex, schedule TODO_update_ssa.
7740 * lto-streamer-out.c (output_function): Stream the functions
7742 * lto-streamer-in.c (input_function): Likewise.
7743 (lto_read_body): Do not override them here.
7745 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7748 * c-typeck.c (build_c_cast): Fold value cast to union type before
7749 wrapping it in a CONSTRUCTOR.
7751 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7753 PR rtl-optimization/42699
7754 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7757 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7759 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7760 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7761 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7762 SUBTARGET_WARN_UNUSED_SPEC): ... here
7763 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7765 2010-01-12 Julian Brown <julian@codesourcery.com>
7767 * config/arm/neon-schedgen.ml (Utils): Don't try to
7768 open missing module.
7769 (find_with_result): New.
7771 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7774 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7775 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7777 PR tree-optimization/42645
7778 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7779 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7780 decl_map, set processing_debug_stmt to -1 and return name without
7783 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7785 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7786 binutils version, and reword target configuration description.
7788 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7790 * config/avr/avr.h (LINKER_NAME): Remove.
7792 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7795 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7796 that support VSX, warn for -mno-altivec if vsx is not disabled,
7799 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7800 Shujing Zhao <pearly.zhao@oracle.com>
7802 PR translation/42469
7803 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7804 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7805 character between option name and help text.
7806 * c.opt (imultilib): Likewise.
7808 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7810 * lto-streamer-out.c (output_unreferenced_globals): Output static
7813 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7815 PR rtl-optimization/42621
7816 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7817 optimizing for size.
7818 (duplicate_computed_gotos): Remove now-redundant check.
7820 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7823 * configure.ac: Save and restore LDFLAGS and LIBS
7824 * configure: Regenerate.
7826 2010-01-10 Richard Guenther <rguenther@suse.de>
7829 * builtins.c (fold_builtin_strlen): Add type argument and
7830 convert the resulting length to it.
7831 (fold_builtin_1): Adjust.
7833 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7835 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7836 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7838 (num_insns_constant_wide): Adjust for that change.
7840 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7843 * web.c (union_defs): Add used argument, to combine uses of
7845 (entry_register): Adjust type and tests of used argument.
7846 (web_main): Widen used for new use. Pass it to union_defs.
7847 * df.h (union_defs): Adjust prototype.
7849 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7852 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7853 uses in new incoming argument. Free body.
7854 (reset_debug_uses_in_loop): New.
7855 (analyze_insn_to_expand_var): Call the latter if the former found
7856 anything. Fix whitespace. Reject invalid dest overlaps before
7857 going through all insns in the loop.
7859 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7862 * haifa-sched.c (dying_use_p): Debug insns don't count.
7864 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7867 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7868 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7869 (verify_gimple_call): Reject LHS in noreturn calls.
7871 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7875 * tree-vect-loop-manip.c (adjust_info): New type.
7876 (adjust_vec): New pointer to vector.
7877 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7878 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7879 (slpeel_update_phis_for_duplicate_loop): Use them.
7880 (slpeel_update_phi_nodes_for_guard1): Likewise.
7881 (slpeel_update_phi_nodes_for_guard2): Likewise.
7882 (slpeel_tree_peel_loop_to_edge): Likewise.
7883 (vect_update_ivs_after_vectorizer): Likewise.
7885 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7887 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7888 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7890 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7892 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7893 bogus uninitialized warning.
7895 2010-01-09 Richard Guenther <rguenther@suse.de>
7898 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7899 the evolution is compatible with the initial condition.
7901 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7903 * gcc.c (process_command): Update copyright notice dates.
7904 * gcov.c (print_version): Likewise.
7905 * gcov-dump.c (print_version): Likewise.
7906 * mips-tfile.c (main): Likewise.
7907 * mips-tdump.c (main): Likewise.
7909 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7912 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7914 (rotlhi3_8): Delete.
7916 (rotlsi3_8): Delete.
7917 (rotlsi3_16): Delete.
7918 (rotlsi3_24): Delete.
7920 (*rotw<mode>3): New.
7921 (*rotb<mode>3): New.
7922 * config/avr/avr.c (avr_rotate_bytes): New function.
7923 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7925 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7928 * configure.ac: Modify -rdynamic check.
7929 * configure: Regenerate.
7931 2010-01-08 DJ Delorie <dj@redhat.com>
7933 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7934 register popping order.
7936 2010-01-08 Richard Guenther <rguenther@suse.de>
7939 * c.opt (fsigned-char): Also let LTO handle this option.
7940 (funsigned-char): Likewise.
7942 2010-01-07 Richard Guenther <rguenther@suse.de>
7944 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7945 (gimple_op): Likewise.
7946 (gimple_op_ptr): Likewise.
7947 (gimple_assign_set_lhs): Remove gcc_assert.
7948 (gimple_assign_set_rhs1): Likewise.
7949 (gimple_assign_set_rhs2): Likewise.
7950 (gimple_call_set_lhs): Likewise.
7951 (gimple_call_set_fn): Likewise.
7952 (gimple_call_set_fndecl): Likewise.
7953 (gimple_call_fndecl): Likewise.
7954 (gimple_call_return_type): Likewise.
7955 (gimple_call_set_chain): Likewise.
7956 (gimple_call_num_args): Likewise.
7957 (gimple_call_set_arg): Likewise.
7958 (gimple_cond_set_code): Likewise.
7959 (gimple_cond_set_lhs): Likewise.
7960 (gimple_cond_set_rhs): Likewise.
7961 (gimple_cond_set_true_label): Likewise.
7962 (gimple_cond_set_false_label): Likewise.
7963 (gimple_label_set_label): Likewise.
7964 (gimple_goto_set_dest): Likewise.
7965 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7966 (gimple_debug_bind_get_value): Likewise.
7967 (gimple_debug_bind_get_value_ptr): Likewise.
7968 (gimple_debug_bind_set_var): Likewise.
7969 (gimple_debug_bind_set_value): Likewise.
7970 (gimple_debug_bind_reset_value): Likewise.
7971 (gimple_debug_bind_has_value_p): Likewise.
7972 (gimple_return_retval_ptr): Remove gcc_assert.
7973 (gimple_return_retval): Likewise.
7974 (gimple_return_set_retval): Likewise.
7975 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7976 (safe_referenced_var_iterator): Remove.
7977 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7978 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7979 (fill_referenced_var_vec): Remove.
7980 (first_readonly_imm_use): Remove redundant gcc_assert.
7981 (phi_arg_index_from_use): Combine gcc_asserts.
7982 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7983 (first_imm_use_stmt): Remove redundant gcc_assert.
7984 * tree-cfg.c (verify_gimple_call): Verify function and chain
7985 operands. Verify arguments.
7986 (verify_types_in_gimple_stmt): Verify condition code and labels.
7988 2010-01-07 Richard Guenther <rguenther@suse.de>
7990 PR tree-optimization/42641
7991 * sese.c (rename_map_elt_info): Use the SSA name version, do
7994 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7996 PR tree-optimization/42625
7997 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7998 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8000 2010-01-07 Duncan Sands <baldrick@free.fr>
8002 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8004 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8007 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8008 note itself is not function_invariant_p.
8010 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8012 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8013 Do not add the DF_NOTE problem.
8014 * store-motion.c (execute_rtl_store_motion): Likewise.
8016 2010-01-07 Martin Jambor <mjambor@suse.cz>
8018 PR tree-optimization/42157
8019 * tree-sra.c (compare_access_positions): Stabilize sort if both
8020 accesses have integer types, return zero immediately if they are the
8023 2010-01-06 Richard Henderson <rth@redhat.com>
8026 * haifa-sched.c (add_to_note_list): Merge into ...
8027 (concat_note_lists): ... here, and ...
8028 (unlink_other_notes, rm_other_notes): Merge into...
8029 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8030 NOTE_INSN_EPILOGUE_BEG.
8032 2010-01-06 Richard Guenther <rguenther@suse.de>
8034 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8035 not inline regular functions into always-inline functions.
8037 2010-01-06 Nick Clifton <nickc@redhat.com>
8039 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8040 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8042 (OVERRIDE_OPTIONS): Delete.
8043 (OPTIMIZATION_OPTIONS): Define.
8044 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8045 * config/rx/rx.c (rx_handle_option): Issue an error message if
8046 -mcpu=rx200 and -fpu are used together.
8047 (rx_set_optimization_options): New function. Issue an error
8048 message if an optimization attribute attempts to reset the FPU/
8049 math optimization pairing.
8050 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8051 * config/rx/rx.opt: Set the default to 32-bit doubles.
8052 * config/rx/t-rx: Add multilibs for -nofpu option.
8053 * doc/invoke.texi: Update documentation of RX options.
8055 2010-01-06 Richard Guenther <rguenther@suse.de>
8057 * tree-ssa-pre.c (name_to_id): New global.
8058 (alloc_expression_id): Simplify SSA name handling.
8059 (lookup_expression_id): Likewise.
8060 (init_pre): Zero name_to_id.
8061 (fini_pre): Free it.
8063 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8065 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8067 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8070 * config/i386/sse.md (smaxv2di3): New.
8071 (umaxv2di3): Likewise.
8072 (sminv2di3): Likewise.
8073 (uminv2di3): Likewise.
8075 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8078 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8079 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8080 (legitimize_tls_address): Likewise.
8081 (sparc_tls_referenced_p): Likewise.
8082 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8083 and adjust calls to legitimize_pic_address.
8084 (legitimate_constant_p) Use sparc_tls_referenced_p.
8085 (legitimate_pic_operand_p): Likewise.
8086 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8087 (sparc_tls_symbol_ref_1): Delete.
8088 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8089 (legitimize_tls_address): Make static, handle CONST patterns.
8090 (legitimize_pic_address): Make static, remove unused parameter and
8091 adjust recursive calls.
8092 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8093 and adjust call to legitimize_pic_address.
8094 (sparc_output_mi_thunk): Likewise.
8096 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8097 H.J. Lu <hongjiu.lu@intel.com>
8100 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8101 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8102 operands to make them signed.
8105 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8108 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8109 GTU to GT for V4SI and V2DI.
8111 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8112 (umin<mode>3): Removed.
8114 (uminv4si3): Likewise.
8116 2010-01-05 Martin Jambor <mjambor@suse.cz>
8118 PR tree-optimization/42462
8119 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8120 current_function_decl to helper functions and macros.
8122 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8125 * flags.h: Don't include real.h.
8126 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8127 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8128 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8129 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8130 * dominance.c: Update copyright.
8131 * gimple.c (walk_gimple_op): Remove inline.
8132 * tree-ssa-reassoc.c: Include real.h.
8133 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8134 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8136 2010-01-05 Nick Clifton <nickc@redhat.com>
8138 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8139 register to push into the stack frame when the accumulator has to
8140 be saved during interrupts.
8142 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8144 * doc/invoke.texi: Remove the documentation about option
8146 * common.opt (Wunreachable-code): Preserved for backward
8148 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8149 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8150 the backward compatibility flag section.
8152 2010-01-05 Richard Guenther <rguenther@suse.de>
8154 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8156 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8159 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8161 PR tree-optimization/42508
8162 * tree-sra.c (convert_callers): Check for recursive call
8163 by comparing cgraph nodes instead of decls.
8164 (modify_function): Call ipa_modify_formal_parameters also
8165 on all same_body aliases.
8167 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8168 cgraph nodes when checking for same_body aliases.
8170 2010-01-05 Richard Guenther <rguenther@suse.de>
8172 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8173 allocation and lookup.
8174 (get_or_alloc_expr_for_constant): Likewise.
8175 (phi_translate): Sink allocation.
8177 2010-01-04 Richard Guenther <rguenther@suse.de>
8179 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8180 a new entry only if needed.
8181 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8182 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8184 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8186 (phi_translate): Handle CONSTANTs early.
8188 2010-01-04 Martin Jambor <mjambor@suse.cz>
8190 PR tree-optimization/42398
8191 * tree-sra.c (struct access): Removed flag grp_different_types.
8192 (dump_access): Do not dump the removed flag.
8193 (sort_and_splice_var_accesses): Do not set the removed flag.
8194 (sra_modify_expr): Check for type compatibility directly.
8196 2010-01-04 Martin Jambor <mjambor@suse.cz>
8198 PR tree-optimization/42366
8199 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8200 edges with variable number of parameters.
8201 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8202 flag instead of asserting it.
8203 (ipa_read_node_info): Read uses_analysis_done flag.
8205 2010-01-04 Richard Guenther <rguenther@suse.de>
8207 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8208 iterative_hash_* as intended.
8209 (vn_reference_compute_hash): Likewise. Simplify hashing
8211 (vn_reference_lookup_2): Likewise.
8212 (vn_nary_op_compute_hash): Likewise.
8213 (vn_phi_compute_hash): Likewise.
8214 (expressions_equal_p): Remove strange code.
8215 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8216 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8217 (bitmap_insert_into_set_1): Take value-id as parameter.
8218 (add_to_value): Pass it.
8219 (bitmap_insert_into_set): Likewise.
8220 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8222 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8225 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8226 (do_self_spec): For switches with SWITCH_IGNORE set set also
8227 SWITCH_IGNORE_PERMANENTLY.
8228 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8231 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8233 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8234 tree of an unreferenced global var.
8236 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8239 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8240 GTU to GT for V4SI and V2DI.
8242 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8243 (umin<mode>3): Removed.
8245 (uminv4si3): Likewise.
8247 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8250 * collect2.c (main): Turn on trace in collect2 if -v is passed
8253 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8255 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8256 description of expression operand.
8258 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8260 * configure.ac: Add install-html to target_list for Make-hooks.
8261 * configure: Regenerate.
8262 * fortran/Make-lang.in (F95_HTMLFILES): New.
8263 (fortran.html): Use it.
8264 (fortran.install-html): New.
8265 * Makefile.in (install-html): Add lang.install-html.
8266 * java/Make-lang.in (JAVA_HTMLFILES): New.
8267 (java.html): Use it.
8268 (java.install-html): New.
8269 * objc/Make-lang.in (objc.install-html): New.
8270 * objcp/Make-lang.in (obj-c++.install-html): New.
8271 * cp/Make-lang.in (c++.install-html): New.
8272 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8273 * lto/Make-lang.in (lto.install-html): New.
8275 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8278 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8280 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8282 PR rtl-optimization/41862
8283 * store-motion.c (store_killed_in_insn, compute_store_table,
8284 remove_reachable_equiv_notes, replace_store_insn,
8285 build_store_vectors): Ignore all DEBUG_INSNs.
8287 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8290 * common.opt: Add dumpdir.
8292 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8294 (option_map): Add --dumpdir.
8296 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8298 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8300 * opts.c (decode_options): Try dump_dir_name first if
8301 dump_base_name isn't an absolute path.
8302 (common_handle_option): Handle OPT_dumpdir.
8304 * toplev.c (dump_dir_name): New.
8305 (print_switch_values): Also ignore -dumpdir.
8307 * toplev.h (dump_dir_name): New.
8309 2010-01-03 Richard Guenther <rguenther@suse.de>
8311 PR tree-optimization/42589
8312 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8313 double-word expansion of bswap32.
8315 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8317 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8318 with BLOCK_FOR_INSN.
8319 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8320 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8321 noce_process_if_block): Likewise.
8322 * gcse.c (compute_local_properties, insert_expr_in_table,
8323 insert_set_in_table, canon_list_insert, find_avail_set,
8324 pre_insert_copy_insn): Likewise.
8326 * basic-block.h (BLOCK_NUM): Move from here...
8327 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8329 2010-01-03 Richard Guenther <rguenther@suse.de>
8331 PR tree-optimization/42438
8332 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8333 contains_may_not_return_call flag.
8334 (BB_MAY_NOTRETURN): New.
8335 (valid_in_sets): Trapping nary operations are not valid
8336 in blocks that may not return.
8337 (insert_into_preds_of_block): Remove check for trapping expressions.
8338 (compute_avail): Compute also BB_MAY_NOTRETURN.
8340 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8342 * doc/invoke.texi: Add 2010 to copyright years.
8344 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8346 * config/sparc/sparc.c: Fix formatting nits.
8348 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8349 Alexander Monakov <amonakov@ispras.ru>
8351 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8353 2010-01-02 Richard Guenther <rguenther@suse.de>
8356 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8357 (simplify_switch_using_ranges): Mark to be removed edges
8360 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8362 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8364 * collect2.c (scan_libraries): Add missing argument in call to
8367 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8370 * config/alpha/predicates.md (aligned_memory_operand): Return false
8372 (unaligned_memory_operand): Return true for CQImode.
8373 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8374 doesn not cross aligned SImode word boundary.
8376 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8378 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8380 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8381 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8383 2010-01-02 Richard Guenther <rguenther@suse.de>
8386 * toplev.c (compile_file): Emit LTO marker properly. Change
8388 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8390 2010-01-01 Richard Guenther <rguenther@suse.de>
8393 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8395 2010-01-01 Richard Guenther <rguenther@suse.de>
8398 * c-decl.c (grokdeclarator): For zero-size arrays force
8399 structural equality checks as layout_type does.
8401 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8403 * builtins.c: Update copyright to 2010.
8405 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8408 * lto-streamer-out.c (produce_asm): Revert the last change.
8409 (copy_function): Likewise.
8411 * lto-streamer.c (lto_get_section_name): Skip any leading
8414 2010-01-01 Richard Guenther <rguenther@suse.de>
8417 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8421 Copyright (C) 2010 Free Software Foundation, Inc.
8423 Copying and distribution of this file, with or without modification,
8424 are permitted in any medium without royalty provided the copyright
8425 notice and this notice are preserved.