1 2010-04-09 Richard Guenther <rguenther@suse.de>
3 * tree-vectorizer.h (struct _stmt_vec_info): Document
4 that vectype is the type of the LHS.
5 (supportable_widening_operation, supportable_narrowing_operation):
6 Get both input and output vector types as arguments.
7 (vect_is_simple_use_1): Declare.
8 (get_same_sized_vectype): Likewise.
9 * tree-vect-loop.c (vect_determine_vectorization_factor):
10 Set STMT_VINFO_VECTYPE to the vector type of the def.
11 (vectorizable_reduction): Adjust.
12 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
13 Adjust. Specify the output vector type.
14 (vect_pattern_recog_1): Adjust.
15 * tree-vect-stmts.c (get_same_sized_vectype): New function.
16 (vectorizable_call): Adjust.
17 (vectorizable_conversion): Likewise.
18 (vectorizable_operation): Likewise.
19 (vectorizable_type_demotion): Likewise.
20 (vectorizable_type_promotion): Likewise.
21 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
23 (vect_is_simple_use_1): New function.
24 (supportable_widening_operation): Get both input and output
26 (supportable_narrowing_operation): Likewise.
27 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
29 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
31 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
32 __thiscall and _thiscall as predefined macros.
33 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
34 thiscall attribute handling.
35 (ix86_comp_type_attributes): Likewise.
36 (ix86_function_regparm): Likewise.
37 (ix86_return_pops_args): Likewise.
38 (init_cumulative_args): Likewise.
39 (find_drap_reg): Likewise.
40 (ix86_static_chain): Likewise.
41 (x86_this_parameter): Likewise.
42 (x86_output_mi_thunk): Likewise.
43 (ix86_attribute_table): Add description for thiscall attribute.
44 * config/i386/i386.h (ix86_args): Adjust comment for member
46 * doc/extend.texi: Add documentation for thiscall.
48 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
51 * c.opt (Wint-to-pointer-cast): Available in C++.
52 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
54 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
56 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
57 * calls.c (expand_call): Pass the function type to aggregate_value_p.
58 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
59 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
60 function type instead. Reorder and simplify checks.
62 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
64 2010-04-08 Jing Yu <jingyu@google.com>
65 Zdenek Dvorak <ook@ucw.cz>
67 PR tree-optimization/42720
68 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
69 loop unswitch conditions here from
70 (tree_unswitch_single_loop).
72 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
74 * tree-if-conv.c: Fix comments and simplify logic.
76 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
78 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
79 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
80 (main_tree_if_conversion): Update call to tree_if_conversion.
82 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
85 * doc/invoke.texi (-b,-V): Delete.
86 * doc/tm.texi: Do not mention -b.
87 * gcc.c (display_help): Delete -b and -V.
88 (process_command): Delete -b and -V.
89 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
91 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
92 Wolfgang Gellerich <gellerich@de.ibm.com>
94 Implement target hook for loop unrolling
95 * target.h (loop_unroll_adjust): Add a new target hook function.
96 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
97 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
98 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
99 (s390_loop_unroll_adjust): Implement the new target hook for s390.
100 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll target hook
101 (decide_unroll_stupid): Likewise.
103 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
106 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
108 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
110 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
111 (Specific, *-*-solaris2*): Likewise.
112 Don't prefer Sun as over GNU as.
114 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
116 * config/s390/s390.c (override_options): Adjust the z10
117 defaults for max-unroll-times, max-completely-peeled-insns
118 and max-completely-peel-times.
120 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
122 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
123 instructions for z10.
124 (s390_expand_setmem): Likewise.
125 (s390_expand_cmpmem): Likewise.
127 2010-04-08 Richard Guenther <rguenther@suse.de>
129 PR tree-optimization/43679
130 * tree-ssa-pre.c (eliminate): Only propagate copies.
132 2010-04-08 Jakub Jelinek <jakub@redhat.com>
135 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
136 set but not used variable warning.
138 2010-04-08 Wei Guozhi <carrot@google.com>
141 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
142 (arm_size_rtx_costs): Call the new function when optimized for size.
144 2010-04-08 Jakub Jelinek <jakub@redhat.com>
147 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
148 op0 is not a MEM, just return NULL instead of assertion
150 (discover_nonconstant_array_refs): Don't walk debug stmts.
152 2010-04-08 Doug Kwan <dougkwan@google.com>
154 * configure.ac: Recognize gold and do not use its version number
156 * configure: Regenerate.
158 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
161 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
162 (negate_value): Move code to push elements to broken_up_substracts ...
163 (eliminate_plus_minus_pair): ... here. Push operands that have no
164 negative pair to plus_negates.
165 (repropagate_negates, init_reassoc, fini_reassoc): Update.
167 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
169 * doc/install.texi (Configuration): Move description of
170 --enable-lto, --with-libelf*, --enable-gold from Java section to
173 * doc/generic.texi (Working with declarations)
174 (Function Properties, C and C++ Trees): Fix typos.
175 * doc/sourcebuild.texi (Top Level): Likewise.
177 2010-04-07 Jakub Jelinek <jakub@redhat.com>
180 * tree.h (DECL_READ_P): Define.
181 (struct tree_decl_common): Add decl_read_flag.
182 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
183 a set but not used warning.
184 (merge_decls): Merge DECL_READ_P flag.
185 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
186 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
187 * c-common.c (handle_used_attribute, handle_unused_attribute):
189 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
191 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
193 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
194 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
195 c_parser_binary_expression, c_parser_cast_expression,
196 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
197 Call default_function_array_read_conversion instead of
198 default_function_array_conversion where needed.
199 (c_parser_unary_expression, c_parser_conditional_expression,
200 c_parser_postfix_expression_after_primary, c_parser_initelt):
201 Likewise. Call mark_exp_read where needed.
202 (c_parser_statement_after_labels, c_parser_asm_operands,
203 c_parser_typeof_specifier, c_parser_sizeof_expression,
204 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
206 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
208 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
209 (warn_unused_but_set_parameter): Default to warn_unused
211 * doc/invoke.texi: Document -Wunused-but-set-variable and
212 -Wunused-but-set-parameter.
214 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
216 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
217 when operandN variables aren't used in the body of the expander
219 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
220 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
221 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
222 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
223 FOR_EACH_IMM_USE_ON_STMT): Likewise.
224 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
225 * tree.c (PROCESS_ARG): Likewise.
227 2010-04-07 Simon Baldwin <simonb@google.com>
229 * diagnostic.h (diagnostic_override_option_index): New macro to
230 set a diagnostic's option_index.
231 * c-tree.h (c_cpp_error): Add warning reason argument.
232 * opts.c (_warning_as_error_callback): New.
233 (register_warning_as_error_callback): Store callback for
234 warnings enabled via enable_warning_as_error.
235 (enable_warning_as_error): Call callback, minor code tidy.
236 * opts.h (register_warning_as_error_callback): Declare.
237 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
238 response to -Werror=.
239 (c_common_init_options): Register warning_as_error_callback in opts.c.
240 * common.opt: Add -Wno-cpp option.
241 * c-common.c (struct reason_option_codes_t): Map cpp warning
242 reason codes to gcc option indexes.
243 * (c_option_controlling_cpp_error): New function, lookup the gcc
244 option index for a cpp warning reason code.
245 * (c_cpp_error): Add warning reason argument, call
246 c_option_controlling_cpp_error for diagnostic_override_option_index.
247 * doc/invoke.texi: Document -Wno-cpp.
249 2010-04-07 Richard Guenther <rguenther@suse.de>
251 * ipa-reference.c (mark_load): Use get_base_address.
252 (mark_store): Likewise.
254 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
255 inserting GIMPLE_NOPs into the IL.
256 * tree-ssa-structalias.c (get_constraint_for_component_ref):
257 Explicitly strip handled components and indirect references.
259 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
260 folding address expressions.
261 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
262 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
263 operand_equal_p to compare decls.
264 (ptr_deref_may_alias_decl_p): Likewise.
265 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
266 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
267 Handle reversed comparison ops.
268 * tree-sra.c (asm_visit_addr): Use get_base_address.
269 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use
271 * ipa-reference.c (mark_address): Use get_base_address.
273 2010-04-07 Richard Guenther <rguenther@suse.de>
275 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
276 Propagate constants everywhere.
278 2010-04-07 Jakub Jelinek <jakub@redhat.com>
281 * tree.c (MAX_INT_CACHED_PREC): Define.
282 (nonstandard_integer_type_cache): New array.
283 (build_nonstandard_integer_type): Cache results for precision
284 <= MAX_INT_CACHED_PREC.
286 2010-04-07 Richard Guenther <rguenther@suse.de>
288 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
289 -fargument-noalias-global, -fargument-noalias-anything): Remove.
290 * common.opt: Likewise.
291 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust
293 * alias.c (base_alias_check): Remove flag_argument_noalias
295 (nonoverlapping_memrefs_p): Likewise.
296 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
297 * opts.c (common_handle_option): Handle OPT_fargument_alias,
298 OPT_fargument_noalias, OPT_fargument_noalias_anything and
299 OPT_fargument_noalias_global for backward compatibility.
301 2010-04-07 Richard Guenther <rguenther@suse.de>
303 PR tree-optimization/43270
304 * tree-vrp.c (check_array_ref): Fix flexible array member
306 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
307 * tree-ssa-pre.c (phi_translate_1): Adjust.
308 (fully_constant_expression): Split out vn_reference handling to ...
309 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
310 Fold reads from constant strings.
311 (vn_reference_lookup): Handle fully constant references.
312 (vn_reference_lookup_pieces): Likewise.
313 * Makefile.in (expmed.o-warn): Add -Wno-error.
315 2010-04-07 Martin Jambor <mjambor@suse.cz>
317 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
319 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
322 * gcc.c: Add -static-libstdc++ to list of recognized options.
324 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
326 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to
329 2010-04-07 Richard Guenther <rguenther@suse.de>
332 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with
333 pointer bases build simple mem attributes to retain
334 points-to information.
336 2010-04-07 Richard Guenther <rguenther@suse.de>
339 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
340 preserve points-to related information.
342 2010-04-07 Richard Guenther <rguenther@suse.de>
345 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
346 discard plain indirect references.
347 * fold-const.c (operand_equal_p): Guard against NULL_TREE
349 * tree.c (tree_nop_conversion): Likewise.
351 2010-04-07 Dodji Seketeli <dodji@redhat.com>
354 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
356 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
358 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
359 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
361 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
363 * tree-if-conv.c: Fix indentation and comments.
365 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
367 * tree-if-conv.c: Sort static functions in topological order.
369 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
371 * tree-if-conv.c: Fix indentation and comments.
373 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
376 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
377 lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
378 When converting an unsigned type to signed, double its precision.
379 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
380 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
381 (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
383 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
386 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
387 POINTER_PLUS_EXPR for pointer types.
389 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
392 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
393 * graphite-clast-to-gimple.c: Include langhooks.h.
394 (max_signed_precision_type): New.
395 (max_precision_type): Takes two types as arguments.
396 (precision_for_value): New.
397 (precision_for_interval): New.
398 (gcc_type_for_interval): New.
399 (gcc_type_for_value): New.
400 (gcc_type_for_clast_term): New.
401 (gcc_type_for_clast_red): New.
402 (gcc_type_for_clast_bin): New.
403 (gcc_type_for_clast_expr): Split up into several functions.
404 (gcc_type_for_clast_eq): Rewritten.
405 (compute_bounds_for_level): New.
406 (compute_type_for_level_1): New.
407 (compute_type_for_level): New.
408 (gcc_type_for_cloog_iv): Removed.
409 (gcc_type_for_iv_of_clast_loop): Rewritten.
410 (graphite_create_new_loop): Compute the lower and upper bound types
411 with gcc_type_for_clast_expr.
412 (graphite_create_new_loop_guard): Same.
413 (find_cloog_iv_in_expr): Removed.
414 (compute_cloog_iv_types_1): Removed.
415 (compute_cloog_iv_types): Removed.
416 (gloog): Do not call compute_cloog_iv_types.
417 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
419 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
420 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
421 (GBB_CLOOG_IV_TYPES): Removed.
423 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
425 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
426 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
427 (detect_commutative_reduction): Same.
429 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
431 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
432 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
434 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
435 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
436 (rewrite_commutative_reductions_out_of_ssa): Same.
437 * passes.c (execute_function_todo): Call verify_ssa for every pass
438 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
439 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
440 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
441 with an extra argument.
442 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
443 verify_ssa only when the extra argument is true.
444 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
445 with an extra argument.
446 (tree_transform_and_unroll_loop): Same.
448 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
450 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
451 for all the passes of the LNO having LOOP_CLOSED_SSA.
452 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
453 * tree-loop-distribution.c (pass_loop_distribution): Same.
454 * tree-pass.h (TODO_verify_loops): Removed.
455 * tree-ssa-loop.c (pass_tree_loop_init): Same.
457 (pass_tree_unswitch): Same.
458 (pass_predcom): Same.
459 (pass_vectorize): Same.
460 (pass_linear_transform): Same.
461 (pass_graphite_transforms): Same.
462 (pass_iv_canon): Same.
463 (pass_complete_unroll): Same.
464 (pass_complete_unrolli): Same.
465 (pass_parallelize_loops): Same.
466 (pass_loop_prefetch): Same.
467 (pass_iv_optimize): Same.
469 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
472 * passes.c (init_optimization_passes): Move pass_lim before
473 pass_copy_prop and pass_dce_loop.
475 2010-04-06 Jakub Jelinek <jakub@redhat.com>
478 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
479 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
480 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
481 MULTI_* defines for 4 argument vpermil2p* builtins.
483 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
485 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
486 * config/i386/i386.c (x86_maybe_negate_const_int): New.
487 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
488 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
489 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
490 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
491 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
492 Use x86_maybe_negate_const_int to output insn mnemonic.
493 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
494 check from instruction predicate. Update comments.
495 * config/i386/sync.md (sync_add<mode>): Use
496 x86_maybe_negate_const_int to output insn mnemonic.
498 2010-04-06 Jan Hubicka <jh@suse.cz>
500 PR tree-optimization/42906
501 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
502 IGNORE_SELF argument. Set visited_control_parents for fully
504 (find_obviously_necessary_stmts): Update call of
505 mark_control_dependent_edges_necessary.
506 (propagate_necessity): Likewise. Handle PHI edges more curefully.
508 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
510 * config/i386/i386.md: Remove comment about 'e' and 'E'
513 2010-04-06 Richard Guenther <rguenther@suse.de>
515 PR tree-optimization/43627
516 * tree-vrp.c (extract_range_from_unary_expr): Widenings
517 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
520 2010-04-06 Jakub Jelinek <jakub@redhat.com>
522 * BASE-VER: Change to 4.6.0.
525 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
528 2010-04-06 Richard Guenther <rguenther@suse.de>
531 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
533 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
535 * doc/invoke.texi (Optimize Options): Document that LTO
536 won't remove object access purely due to incompatible
539 2010-04-04 Matthias Klose <doko@ubuntu.com>
541 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
544 2010-04-03 Richard Guenther <rguenther@suse.de>
547 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
548 require a non-NULL MEM_OFFSET.
550 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
552 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
553 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
554 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
555 config/alpha/predicates.md, config/arm/arm.md,
556 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
557 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
558 config/darwin9.h, config/darwin.c, config/darwin.h,
559 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
560 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
561 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
562 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
563 config/mips/mips.md, config/mn10300/mn10300.c,
564 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
565 config/rs6000/aix.h, config/rs6000/dfp.md,
566 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
567 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
568 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
569 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
570 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
571 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
572 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
573 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
574 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
575 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
576 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
577 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
578 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
579 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
580 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
581 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
582 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
583 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
584 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
585 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
586 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
587 opt-functions.awk, opth-gen.awk, params.def, passes.c,
588 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
589 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
590 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
591 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
592 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
593 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
594 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
595 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
596 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
597 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
598 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
599 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
600 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
601 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
603 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
606 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
607 * aclocal.m4: Regenerate.
609 2010-04-02 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/43629
612 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
613 if we have seen a constant value.
615 2010-04-02 Joseph Myers <joseph@codesourcery.com>
617 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
620 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
623 * arm.c (legitimize_tls_address): Adjust call to
624 gen_tls_load_dot_plus_four.
625 (arm_note_pic_base): New function.
626 (arm_cannot_copy_insn_p): Use it.
627 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
630 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
635 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
637 * Makefile.in ($(out_object_file)): Depend on
638 gt-$(basename $(notdir $(out_file))).h.
640 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
642 * config.gcc (lm32-*-rtems*): Add t-lm32.
644 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
646 * config.gcc: Add lm32-*-rtems*.
647 * config/lm32/rtems.h: New file.
649 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
652 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
654 2010-04-01 Jakub Jelinek <jakub@redhat.com>
656 * dwarf2out.c (output_compilation_unit_header): For
657 -gdwarf-4 use version 4 instead of version 3.
658 (output_line_info): For version 4 and above emit additional
659 maximum ops per insn header field.
660 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
662 * dwarf2out.c (is_c_family, is_java): Remove.
663 (lower_bound_default): New function.
664 (add_bound_info, gen_descr_array_type_die): Use it.
666 2010-04-01 Dodji Seketeli <dodji@redhat.com>
669 * dwarf2out.c (gen_variable_die): Allow debug info for variable
670 re-declaration when it happens in a function.
672 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
674 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
675 (cgraph_remove_function_insertion_hook): Same.
676 (cgraph_call_function_insertion_hooks): Same.
678 2010-04-01 Richard Guenther <rguenther@suse.de>
681 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
682 and TREE_THIS_VOLATILE.
683 (copy_ref_info): Likewise.
684 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
685 * tree.c (build6_stat): Ignore side-effects of all but arg5
686 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
689 2010-04-01 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/43607
692 * ipa-type-escape.c (check_call): Do not access non-existing
695 2010-04-01 Richard Guenther <rguenther@suse.de>
699 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
700 Jack Howarth <howarth@bromo.med.uc.edu>
702 * tree-profile.c (tree_init_ic_make_global_vars): Make static
705 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
707 * doc/install.texi (Prerequisites): Document libelf usability on
708 IRIX 5/6 and Solaris 2.
709 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
710 Update GNU as, GNU ld requirements.
711 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
712 Document Sun Studio compiler download.
713 Update and simplify as, ld recommendations.
714 (Specific, *-*-solaris2.7): Note obsoletion, removal.
716 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
718 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
719 with_tune_32 to pentium4.
721 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
723 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
725 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
727 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
730 Document GNU as requirement.
731 Update configure requirements.
732 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
734 Recomment IRIX 6.5.18+.
735 Document IDF/IDL requirement.
736 Document GNU as requirement.
737 Document GNU ld bootstrap failure.
738 Remove freeware.sgi.com reference.
740 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
742 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
743 UNIX V4.0, V5.0 obsoletion, removal.
744 Remove --with-gc=simple reference.
745 Update VM requirements during bootstrap.
746 Remove -oldas bootstrap description.
747 Update binutils reference.
748 Remove comparison failure note.
750 2010-03-31 Richard Guenther <rguenther@suse.de>
751 Zdenek Dvorak <ook@ucw.cz>
752 Sebastian Pop <sebastian.pop@amd.com>
755 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
756 with multiple arguments.
757 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
759 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
761 * graphite-dependences.c (print_pddr): Call print_pdr with an
763 * graphite-poly.c (debug_pdr): Add an extra argument for the
766 (print_pbb_domain): Same.
768 (print_scop_context): Same.
771 (debug_pbb_domain): Same.
775 (debug_scop_context): Same.
778 (print_scop_params): Same.
779 (debug_scop_params): Same.
780 (print_iteration_domain): Same.
781 (print_iteration_domains): Same.
782 (debug_iteration_domain): Same.
783 (debug_iteration_domains): Same.
784 (print_scattering_function): Same.
785 (print_scattering_functions): Same.
786 (debug_scattering_function): Same.
787 (debug_scattering_functions): Same.
788 * graphite-poly.h (debug_pdr): Update declaration.
790 (print_pbb_domain): Same.
792 (print_scop_context): Same.
795 (debug_pbb_domain): Same.
799 (debug_scop_context): Same.
802 (print_scop_params): Same.
803 (debug_scop_params): Same.
804 (print_iteration_domain): Same.
805 (print_iteration_domains): Same.
806 (debug_iteration_domain): Same.
807 (debug_iteration_domains): Same.
808 (print_scattering_function): Same.
809 (print_scattering_functions): Same.
810 (debug_scattering_function): Same.
811 (debug_scattering_functions): Same.
813 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
815 * graphite-poly.c (print_scattering_function_1): New.
816 (print_scattering_function): Call it.
817 (print_scop_params): Remove spaces at the end of lines.
820 * graphite-poly.h (print_cloog): Declared.
821 (debug_cloog): Declared.
823 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
825 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
827 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
828 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
829 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
830 to switch between adding the IV bump in loop->latch or in loop->header.
832 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
834 * graphite-poly.c (print_scattering_function): Pretty print following
837 (print_pbb_domain): Same.
838 (dump_gbb_cases): Same.
839 (dump_gbb_conditions): Same.
842 (print_scop_params): Same.
843 (print_scop_context): Same.
845 (print_pbb_body): New.
846 (lst_indent_to): New.
847 (print_lst): Start new lines with a #.
848 * graphite-poly.h (pbb_bb): New.
849 (pbb_index): Use pbb_bb.
850 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
852 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
854 2010-03-31 Jakub Jelinek <jakub@redhat.com>
856 * dwarf2out.c (size_of_die): For -gdwarf-4 use
857 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
858 and 0 instead of 1 for dw_val_class_flag.
859 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
860 dw_val_class_range_list, dw_val_class_loc_list,
861 dw_val_class_lineptr and dw_val_class_macptr, use
862 DW_FORM_flag_present for dw_val_class_flag and
863 DW_FORM_exprloc for dw_val_class_loc.
864 (output_die): For -gdwarf-4 print dw_val_class_loc
865 size as uleb128 instead of 1 or 2 bytes and don't print
866 anything for dw_val_class_flag.
868 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
869 instead of cselib_lookup following by tweaking locs->setting_insn.
872 * cselib.c (cselib_process_insn): Clear cselib_current_insn
873 even before returning from label, setjmp call or volatile asm
876 2010-03-31 Richard Guenther <rguenther@suse.de>
879 * cgraphunit.c (cgraph_output_in_order): Do not allocate
880 temporary data on stack.
882 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
884 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
885 (PUSHSECTION_ASM_OP): Remove.
886 (POPSECTION_ASM_OP): Remove.
887 (PUSHSECTION_FORMAT): Remove.
888 * config/sol2.h (PUSHSECTION_FORMAT): Define.
889 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
890 * config/sol2.c (solaris_output_init_fini): Use it.
892 2010-03-31 Jie Zhang <jie@codesourcery.com>
895 * opt-functions.awk (var_type_struct): Use signed char type
896 for simple variables.
898 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
900 * config/sol2.c: Include output.h.
901 (solaris_assemble_visibility): New function.
902 * config/t-sol2 (sol2.o): Add output.h dependency.
903 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
904 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
907 2010-03-31 Jakub Jelinek <jakub@redhat.com>
910 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
911 V2SImode or XFmode on PRE_DEC.
914 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
917 2010-03-31 Jie Zhang <jie@codesourcery.com>
920 * reload.h (caller_save_initialized_p): Declare.
921 * toplev.c (backend_init_target): Don't call
922 init_caller_save but set caller_save_initialized_p to false.
923 * caller-save.c (caller_save_initialized_p): Define.
924 (init_caller_save): Check caller_save_initialized_p.
925 * ira.c (ira): Call init_caller_save if flag_caller_saves.
927 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
930 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
931 and soft-fp/t-softfp to tmake_file.
932 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
933 (LIBGCC2_TF_CEXT): Define.
936 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
939 * cselib.c (n_useless_values): Document handling of debug locs.
940 (n_useless_debug_values, n_debug_values): New variables.
941 (new_elt_loc_list): Don't add to debug values, keep count.
942 (promote_debug_loc): New.
943 (cselib_reset_table): Zero new variables.
944 (entry_and_rtx_equal_p): Promote debug locs.
945 (discard_useless_locs): Increment n_useless_debug_values for
947 (remove_useless_values): Adjust n_useless_values and n_debug_values
948 with n_useless_debug_values.
949 (add_mem_for_addr): Promote debug locs.
950 (cselib_lookup_mem): Likewise.
951 (cselib_lookup_addr): Renamed to...
952 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
953 (cselib_log_lookup): ... this. Turn into...
954 (cselib_lookup_addr): ... new wrapper.
955 (cselib_lookup_from_insn): New.
956 (cselib_invalidate_regno): Increment n_useless_debug_values for
958 (cselib_invalidate_mem): Likewise.
959 (cselib_process_insn): Take n_deleted and n_debug_values into
960 account to guard remove_useless_value call.
961 (cselib_finish): Zero n_useless_debug_values.
962 * cselib.h (cselib_lookup_from_insn): Declare.
963 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
964 (sched_analyze_2): Likewise.
966 2010-03-30 Jakub Jelinek <jakub@redhat.com>
968 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
970 (adjust_mems): Replace narrowing SUBREG of expression containing
971 just PLUS, MINUS, MULT and ASHIFT of registers and constants
972 with operations in the narrower mode.
975 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
976 regs_invalidated_by_call instead all call_used_reg_set registers.
978 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
981 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
982 pointer comparisons with types_compatible_p.
983 * tree-vect-stmts.c (vectorizable_call): Same.
984 (vectorizable_condition): Same.
986 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
988 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
989 stack check if the mask would be zero.
991 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
992 Jack Howarth <howarth@bromo.med.uc.edu>
994 * tree-profile.c (tree_init_ic_make_global_vars): Make static
997 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1000 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1002 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1003 Include ___unordxf2 and ___unordtf2.
1004 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1007 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1009 * config/lm32/t-lm32: New file.
1010 * config.gcc: Use the above file when targetting lm32.
1012 2010-03-28 Duncan Sands <baldrick@free.fr>
1014 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1016 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1019 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1020 Improve vectorization cost model diagnostic.
1022 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1025 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1026 compute_data_dependences_for_loop returns false, early exit
1027 and output an extra diagnostic for the failed data reference
1030 2010-03-29 Richard Guenther <rguenther@suse.de>
1032 PR tree-optimization/43560
1033 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1034 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1036 2010-03-29 Jie Zhang <jie@codesourcery.com>
1039 * toplev.c (process_options): Set optimization_default_node
1040 and optimization_current_node.
1041 * opts.c (decode_options): Don't set optimization_default_node
1042 and optimization_current_node.
1044 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1046 * config/rtems.h: Abandon -qrtems_debug.
1048 2010-03-28 Jan Hubicka <jh@suse.cz>
1050 PR tree-optimization/43505
1051 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1052 map should not be copied.
1054 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1057 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1058 cdtors, set DECL_PRESERVE_P.
1059 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1062 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1064 PR tree-optimization/43528
1065 * stor-layout.c (place_field): Check that constant fits into
1066 unsigned HWI when skipping calculation of MS bitfield layout.
1068 2010-03-27 Jan Hubicka <jh@suse.cz>
1071 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1072 notice_global_symbol work.
1074 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1076 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1077 instead of dwarf2out_decl.
1078 (struct var_loc_node): Remove section_label field.
1079 (dwarf2out_function_decl): New function.
1080 (dwarf2out_var_location): Don't set section_label field.
1081 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1083 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1085 PR tree-optimization/43544
1086 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1087 First argument for builtin vectorized function hook is now a
1088 tree to be able to distinguish between machine specific and
1090 * targhooks.c (default_builtin_vectorized_function): Ditto.
1091 * targhooks.h (default_builtin_vectorized_function): Ditto.
1092 * target.h (struct gcc_target): Ditto.
1093 * tree-vect-stmts.c (vectorizable_function): Ditto.
1094 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
1095 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1098 2010-03-26 Joseph Myers <joseph@codesourcery.com>
1101 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
1102 nested binding iff it is a FUNCTION_DECL.
1103 (store_parm_decls_newstyle): Pass nested=true to bind for
1104 FUNCTION_DECLs amongst parameters.
1106 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1108 * var-tracking.c (vt_expand_loc_callback): Don't run
1109 cselib_expand_value_rtx_cb in dummy mode if
1110 cselib_dummy_expand_value_rtx_cb returned false.
1112 * var-tracking.c (emit_note_insn_var_location): For one part
1113 notes with offset 0, don't add EXPR_LIST around the location.
1114 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
1115 add_location_or_const_value_attribute): Adjust for that change.
1118 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
1119 into first operand and location into second.
1120 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
1121 dw_cfi_oprnd_loc for DW_CFA_expression.
1122 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
1123 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
1124 assume first argument is regnum and second argument is location.
1126 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1129 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1130 of scratch register to DImode. Split to DImode comparison operator.
1131 Use SImode subreg of scratch register in the multiplication.
1132 (*cmp_sadd_sidi): Ditto.
1133 (*cmp_ssub_si): Ditto.
1134 (*cmp_ssub_sidi): Ditto.
1136 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1139 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
1140 Remove invalid assert and wrong comment.
1142 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1145 * flags.h (final_insns_dump_p): New extern.
1146 * final.c (final_insns_dump_p): New variable.
1147 (rest_of_clean_state): Set it before -fdump-final-insns=
1148 dumping, clear afterwards.
1149 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
1150 MEM_ALIAS_SET on MEMs.
1152 2010-03-26 David S. Miller <davem@davemloft.net>
1154 * configure.ac: Fix sparc GOTDATA_OP bug check.
1155 * configure: Rebuild.
1157 2010-03-26 Alan Modra <amodra@gmail.com>
1159 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
1161 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1163 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
1164 TLS_SECTION_ASM_FLAG.
1166 2010-03-25 Jakub Jelinek <jakub@redhat.com>
1169 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
1170 Clear first_function_block_is_cold.
1173 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
1174 argument if the argument is truth_value_p.
1176 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1178 * config/rs6000/constraints.md: Update copyright year for my changes.
1181 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
1182 used in reg+reg addressing, swap registers.
1184 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1187 * target.h (struct gcc_target): Add code_end hook.
1188 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
1190 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
1191 * toplev.c (compile_file): Call targetm.asm_out.code_end
1192 hook before unwind info/debug info output.
1193 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
1194 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
1195 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1196 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
1197 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1198 * config/i386/i386.c (ix86_file_end): Renamed to...
1199 (ix86_code_end): ... this. Make static. Don't call
1200 file_end_indicate_exec_stack. Emit unwind info using
1201 final_start_function/final_end_function.
1202 (darwin_x86_file_end): Remove.
1203 (TARGET_ASM_CODE_END): Define.
1204 * config/i386/i386.h (TARGET_ASM_FILE_END,
1205 NEED_INDICATE_EXEC_STACK): Don't define.
1206 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
1207 (TARGET_ASM_FILE_END): Define to darwin_file_end.
1208 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
1209 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
1212 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
1213 at the beginning and final_end_function at the end.
1214 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1216 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1218 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
1219 and Sun as TLS syntax.
1220 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
1221 * configure: Regenerate.
1222 * config.in: Regenerate.
1223 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
1224 (default_elf_asm_named_section): Use it.
1225 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
1226 (i386_output_dwarf_dtprel): Likewise.
1227 (output_addr_const_extra): Likewise.
1228 (output_pic_addr_const): Lowercase @GOTTPOFF.
1229 (output_addr_const_extra): Likewise.
1230 (output_pic_addr_const): Lowercase @GOTNTPOFF.
1231 (output_addr_const_extra): Likewise.
1232 (output_pic_addr_const): Lowercase @INDNTPOFF.
1233 (output_addr_const_extra): Likewise.
1234 (output_pic_addr_const): Lowercase @NTPOFF.
1235 (output_addr_const_extra): Likewise.
1236 (output_pic_addr_const): Lowercase @TPOFF.
1237 (output_addr_const_extra): Likewise.
1238 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
1239 (*tls_global_dynamic_64): Likewise.
1240 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
1241 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
1243 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
1244 (ASM_OUTPUT_TLS_COMMON): Use it.
1245 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
1248 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
1249 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
1250 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
1251 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1252 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1253 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
1255 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1257 * config/i386/i386.c (override_options): Don't accept
1258 -mtls-dialect=sun any longer.
1259 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
1260 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
1261 (*tls_local_dynamic_base_32_sun): Likewise.
1262 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1264 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1267 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1268 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
1271 * ira.c (adjust_cleared_regs): New function.
1272 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
1276 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
1278 * expr.c (expand_expr_real): Restore previous
1279 curr_insn_source_location and curr_insn_block after
1280 expand_expr_real_1 call.
1281 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
1282 instead of expand_expr_real_1.
1284 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
1286 PR rtl-optimization/43413
1287 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
1290 2010-03-22 James E. Wilson <wilson@codesourcery.com>
1293 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
1294 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
1296 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
1298 * config/i386/i386.c (ix86_target_string): Add -mfma.
1299 Fix a typo in comment.
1301 2010-03-22 Mike Stump <mikestump@comcast.net>
1304 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1305 Don't overly align based upon packed packed fields.
1307 2010-03-22 Jason Merrill <jason@redhat.com>
1309 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
1310 Use () rather than [], and move before the element type.
1312 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1314 * doc/configfiles.texi (Configuration Files): Removed
1315 fixinc/Makefile*, intl/Makefile.*.
1316 * doc/makefile.texi: Fixed markup. Abstract from version
1317 control system used.
1318 (Makefile): Removed obsolete gcc/java/parse.y example.
1319 * doc/sourcebuild.texi: Likewise.
1320 (Top Level): Added config, gnattools, libdecnumber, libgcc,
1321 libgomp, libssp. Removed fastjar.
1322 (Miscellaneous Docs): Clarify location.
1323 Added COPYING3, COPYING3.LIB.
1324 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
1326 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1329 * config/i386/i386.c (x86_function_profiler)
1330 [!NO_PROFILE_COUNTERS]: Fix typo.
1331 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
1334 2010-03-22 Janis Johnson <janis187@us.ibm.com>
1335 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1337 * doc/sourcebuild.texi (Test Directives): Split into six
1338 subsections, with most of the current text in new subsections
1339 Directives, Selectors, and Final Actions.
1340 (Directives): Split list of test directives into multiple
1342 (Selectors): Describe use and syntax of selectors.
1343 (Effective-Target Keywords): Describe all existing keywords.
1344 (Add Options): Describe features for dg-add-options.
1345 (Require Support): Describe variants of dg-require-support.
1346 (Final Actions): Describe commands to use in dg-final.
1348 2010-03-22 Michael Matz <matz@suse.de>
1351 * recog.c (validate_replace_rtx_group): Replace also in
1352 REG_EQUAL and REG_EQUIV notes.
1354 2010-03-22 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/43390
1357 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
1358 sure vector extracts are type correct.
1360 2010-03-22 Richard Guenther <rguenther@suse.de>
1363 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
1364 x * sqrt (x) even when optimizing for size if the target
1365 has native support for sqrt.
1367 2010-03-22 Jakub Jelinek <jakub@redhat.com>
1369 * varasm.c (make_decl_rtl_for_debug): Also clear
1370 flag_mudflap for the duration of make_decl_rtl call.
1373 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
1374 locs from preserved VALUEs.
1376 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1379 * pa.md (movmemsi): Set align to one if zero.
1380 (movmemdi): Likewise.
1382 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
1385 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
1386 with their corresponding prologue pushes.
1388 2010-03-20 Andrew Pinski <pinskia@gmail.com>
1391 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
1392 at the begining or end.
1393 (spu_expand_epilogue): Likewise.
1395 2010-03-20 Richard Guenther <rguenther@suse.de>
1397 PR rtl-optimization/43438
1398 * combine.c (make_extraction): Properly zero-/sign-extend an
1399 extraction of the low part of a CONST_INT. Also handle
1402 2010-03-19 Mike Stump <mikestump@comcast.net>
1404 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
1405 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
1406 (override_options): Use SUBTARGET32_DEFAULT_CPU.
1408 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1411 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
1414 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
1416 PR rtl-optimization/42258
1417 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
1418 use that may match DEF.
1421 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
1422 the cost of loading the constant rather than assuming
1424 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
1425 outer code is AND, do the same tests as the andsi3 expander and
1426 return COSTS_N_INSNS (1) if and is cheap.
1428 * optabs.c (avoid_expensive_constant): Fix formatting.
1430 2010-03-19 Michael Matz <matz@suse.de>
1433 * attribs.c (decl_attributes): When rebuilding a function pointer
1434 type use the same qualifiers as the original pointer type.
1436 2010-03-19 Martin Jambor <mjambor@suse.cz>
1438 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
1439 and is_gimple_ip_invariant_address.
1441 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1444 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1446 * config/arm/arm.c (arm_override_options): Turn off
1447 flag_dwarf2_cfi_asm for AAPCS variants.
1449 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1452 * config/arm/arm.c (emit_multi_reg_push): Update comments.
1453 Use PRE_MODIFY instead of PRE_DEC.
1454 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
1455 (vfp_emit_fstmd): Likewise.
1457 2010-03-19 Michael Matz <matz@suse.de>
1460 * builtins.c (expand_builtin_interclass_mathfn,
1461 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
1464 2010-03-19 Richard Guenther <rguenther@suse.de>
1466 PR tree-optimization/43415
1467 * tree-ssa-pre.c (phi_translate): Split out worker to ...
1468 (phi_translate_1): ... this.
1469 (phi_translate): Move all caching here. Cache all NARY
1470 and REFERENCE translations.
1472 2010-03-19 David S. Miller <davem@davemloft.net>
1474 With help from Eric Botcazou.
1475 * config/sparc/sparc.c: Include dwarf2out.h.
1476 (emit_pic_helper): Delete.
1477 (pic_helper_symbol_name): Delete.
1478 (pic_helper_emitted_p): Delete.
1479 (pic_helper_needed): New.
1480 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
1481 (get_pc_thunk_name): New.
1482 (load_pic_register): Remove 'delay_pic_helper' arg. Use
1483 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
1484 Set pic_helper_needed to true. Don't call emit_pic_helper.
1485 (sparc_expand_prologue): Update load_pic_register call.
1486 (sparc_output_mi_thunk): Likewise.
1487 (sparc_file_end): Emit a hidden comdat symbol for the PIC
1488 thunk if possible. Output CFI information as needed.
1490 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1491 Jack Howarth <howarth@bromo.med.uc.edu>
1494 * config/i386/i386.h: Fix ABI on darwin x86-32.
1496 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
1498 * tree.h: Declare make_decl_rtl_for_debug.
1499 * varasm.c (make_decl_rtl_for_debug): New.
1500 * dwarf2out.c (rtl_for_decl_location): Call it.
1501 * cfgexpand.c (expand_debug_expr): Call it.
1503 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1506 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
1510 * var-tracking.c (vt_init_cfa_base): Do nothing if
1511 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
1513 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
1516 * var-tracking.c (canonicalize_vars_star): New.
1517 (dataflow_post_merge_adjust): Use it.
1519 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1522 * var-tracking.c (non_suitable_const): New function.
1523 (add_uses): For DEBUG_INSNs with constants, don't record any
1524 value, instead just the constant value itself.
1525 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
1526 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1527 (emit_notes_in_bb): Likewise.
1528 (emit_note_insn_var_location): For onepart variables if
1529 cur_loc is a VOIDmode constant, use DECL_MODE.
1531 2010-03-18 Martin Jambor <mjambor@suse.cz>
1534 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1535 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1536 all non-clones. Moved call redirection...
1537 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1538 (cgraph_materialize_all_clones): Dispose of all
1539 combined_args_to_skip bitmaps.
1540 (verify_cgraph_node): Do not check for edges pointing to wrong
1541 nodes in inline clones.
1542 * tree-inline.c (copy_bb): Call
1543 cgraph_redirect_edge_call_stmt_to_callee.
1544 * ipa.c (cgraph_remove_unreachable_nodes): Call
1545 cgraph_node_remove_callees even when there are used clones.
1547 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1549 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1551 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1554 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1557 2010-03-18 Michael Matz <matz@suse.de>
1560 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1561 into sqrt(x) if we need to preserve signed zeros.
1563 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1564 Eric Botcazou <ebotcazou@adacore.com>
1566 PR rtl-optimization/43360
1567 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1568 note if we don't know its invariant status.
1570 2010-03-18 Michael Matz <matz@suse.de>
1572 PR tree-optimization/43402
1573 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1574 PHI chains of ssa names registered for update.
1576 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1579 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1580 non-offsettable and pre_modify update addressing.
1581 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1582 and "2" alternatives "#".
1583 (*movdd_softfloat32): Make all alternatives "#";
1584 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1585 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1586 (*movdf_softfloat32): Make all alternatives "#";
1587 (movdi): Use the new DIFD mode iterator to create a common splitter
1588 for movdi, movdf and movdd patterns.
1590 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1592 * common.opt (dumpdir): Remove redundant tab.
1594 2010-03-17 Martin Jambor <mjambor@suse.cz>
1596 PR tree-optimization/43347
1597 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1598 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1600 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1602 PR rtl-optimization/42216
1603 * regrename.c (create_new_chain): New function, broken out from...
1604 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1605 appending a use to an empty chain.
1606 (build_def_use): Remove previous changes that convert OP_INOUT to
1607 OP_OUT operands; instead detect the case where an OP_INOUT operand
1608 uses a previously untracked register and create an empty chain for it.
1610 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1612 * doc/extend.texi (Function Attributes): Rewrite unfinished
1613 sentence in ms_abi documentation.
1615 2010-03-17 Alan Modra <amodra@gmail.com>
1617 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1618 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1619 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1620 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1622 2010-03-16 Richard Henderson <rth@redhat.com>
1625 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1626 (lower_try_finally): Save and restore eh_seq around the expansion
1629 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1631 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1632 statements before splitting block.
1634 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1636 * doc/sourcebuild.texi (Testsuites): Fix markup.
1637 Use pathnames relative to gcc/testsuite.
1638 (Test Directives): Move description of how timeout is determined.
1639 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1640 (C Tests): Correct gcc.misc-tests directory.
1641 Framework tests now live in gcc.test-framework.
1643 2010-03-16 Richard Guenther <rguenther@suse.de>
1646 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1647 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1649 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1650 Alexandre Oliva <aoliva@redhat.com>
1652 PR tree-optimization/42917
1653 * lambda-code.c (remove_iv): Skip debug statements.
1654 (lambda_loopnest_to_gcc_loopnest): Likewise.
1655 (not_interesting_stmt): Debug statements are not interesting.
1657 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1661 * cselib.c (cselib_preserve_constants,
1662 cfa_base_preserved_val): New static variables.
1663 (preserve_only_constants): New function.
1664 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1665 clear its REG_VALUES. If cselib_preserve_constants, don't
1666 empty the whole hash table, but preserve there VALUEs with constants,
1667 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1668 (cselib_preserve_cfa_base_value): New function.
1669 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1670 (cselib_init): Change argument to int bitfield. Set
1671 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1673 (cselib_finish): Clear cselib_preserve_constants and
1674 cfa_base_preserved_val.
1675 * cselib.h (enum cselib_record_what): New enum.
1676 (cselib_init): Change argument to int.
1677 (cselib_preserve_cfa_base_value): New prototype.
1678 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1679 * dse.c (dse_step1): Likewise.
1680 * cfgcleanup.c (thread_jump): Likewise.
1681 * sched-deps.c (sched_analyze): Likewise.
1682 * gcse.c (local_cprop_pass): Likewise.
1683 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1684 If FN is non-NULL, call the callback always and whenever it returns
1685 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1686 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1687 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1688 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1689 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1690 * var-tracking.c: Include recog.h.
1691 (bb_stack_adjust_offset): Remove.
1692 (vt_stack_adjustments): Don't call it, instead just gather the
1693 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1694 (adjust_stack_reference): Remove.
1695 (compute_cfa_pointer): New function.
1696 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1697 (struct adjust_mem_data): New type.
1698 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1700 (get_address_mode): New function.
1701 (replace_expr_with_values): Use it.
1702 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1703 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1704 (adjust_sets): Remove.
1705 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1706 Use get_address_mode.
1707 (get_adjusted_src): Remove.
1708 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1709 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1710 (add_with_sets): Don't call adjust_sets.
1711 (fp_setter, vt_init_cfa_base): New functions.
1712 (vt_initialize): Change return type to bool. Move most of pool etc.
1713 initialization to the beginning of the function from end. Pass
1714 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1715 If !frame_pointer_needed, call vt_stack_adjustment before mos
1716 vector is filled, call vt_init_cfa_base if argp/framep has been
1717 eliminated to sp. If frame_pointer_needed and argp/framep has
1718 been eliminated to hard frame pointer, set
1719 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1720 encountering fp setter in the prologue. For MO_ADJUST, call
1721 log_op_type before pusing the op into mos vector, not afterwards.
1722 Call adjust_insn before cselib_process_insn/add_with_sets,
1723 call cancel_changes (0) afterwards.
1724 (variable_tracking_main_1): Adjust for vt_initialize calling
1725 vt_stack_adjustments and returning whether it succeeded or not.
1727 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1729 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1732 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1734 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1736 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1737 drap_reg has not been set.
1739 2010-03-15 Michael Matz <matz@suse.de>
1742 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1743 use it to expand block copies.
1744 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1745 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1746 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1748 2010-03-15 Richard Guenther <rguenther@suse.de>
1750 PR tree-optimization/43367
1751 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1754 2010-03-15 Richard Guenther <rguenther@suse.de>
1756 PR tree-optimization/43317
1757 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1759 2010-03-15 Martin Jambor <mjambor@suse.cz>
1761 PR tree-optimization/43141
1762 * tree-sra.c (create_abstract_origin): New function.
1763 (modify_function): Call create_abstract_origin.
1765 2010-03-15 Chris Demetriou <cgd@google.com>
1767 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1770 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1773 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1774 call insert_out_of_ssa_copy for default definitions.
1776 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1778 * graphite-clast-to-gimple.c (my_long_long): Defined.
1779 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1780 * graphite-sese-to-poly.c (my_long_long): Defined.
1781 (scop_ivs_can_be_represented): Use it.
1783 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1785 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1786 graphite-max-bbs-per-function, and loop-block-tile-size.
1787 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1789 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1791 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1793 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1794 forward declaration.
1795 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1796 (add_upper_bounds_from_estimated_nit): New.
1797 (build_loop_iteration_domains): Use it.
1799 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1801 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1803 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1806 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1807 should be an INTEGER_CST. Also handle CASE_CONVERT.
1809 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1811 * graphite.c (graphite_initialize): To bound the number of bbs per
1812 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1813 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1814 * doc/invoke.texi: Document it.
1816 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1818 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1819 * graphite-sese-to-poly.h (build_poly_scop): Same.
1821 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1823 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1824 the number of parameters in the scop. Use as an upper bound
1825 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1826 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1827 * doc/invoke.texi: Document it.
1829 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1831 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1832 * doc/c-tree.texi: Remove.
1833 * doc/generic.texi: Merge c-tree.texi here.
1834 * doc/gccint.texi (Trees): Remove menu entry.
1835 (c-tree.texi): Remove @include.
1836 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1837 * doc/languages.texi (Reading RTL): Ditto.
1839 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1842 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1844 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1847 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1848 code added to work around reload clobbering CONST insns.
1850 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1852 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1853 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1854 (cselib_preserve_only_values): Remove retain argument, don't
1855 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1856 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1857 * var-tracking.c (micro_operation): Move insn field before union.
1858 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1859 (struct variable_tracking_info_def): Remove n_mos field, change
1860 mos into a vector of micro_operations.
1861 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1862 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1863 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1864 changing into a vector.
1865 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1866 come before all other uops generated by add_stores.
1867 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1869 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
1870 a vector. Run just one pass over the bbs instead of separate counting
1871 and computation phase.
1872 (vt_finalize): Free VTI (bb)->mos vector instead of array.
1875 * tree-inline.c (remap_decls): Put old_var rather than origin_var
1876 into *nonlocalized_list vector.
1877 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
1878 even if origin is non-NULL.
1879 (gen_variable_die): Likewise.
1880 (process_scope_var): Don't change origin.
1881 (gen_decl_die): Likewise.
1882 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
1883 before adding new edges instead of after it, fix moving over
1886 2010-03-11 David S. Miller <davem@davemloft.net>
1888 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
1890 * configure: Rebuild.
1892 2010-03-11 Martin Jambor <mjambor@suse.cz>
1894 PR tree-optimization/43257
1895 * tree.c (assign_assembler_name_if_neeeded): New function.
1896 (free_lang_data_in_cgraph): Assembler name assignment moved to the
1898 * tree.h (assign_assembler_name_if_neeeded): Declare.
1899 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
1900 the function if needed.
1902 2010-03-11 Chris Demetriou <cgd@google.com>
1904 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
1905 include/stdint-gcc.h, and include/stdint.h world-readable.
1907 2010-03-11 Richard Guenther <rguenther@suse.de>
1909 PR tree-optimization/43255
1910 * tree-vrp.c (process_assert_insertions_for): Do not insert
1911 asserts for trivial conditions.
1913 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1915 PR tree-optimization/43280
1916 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
1917 generation. Move calculation of size out of the if branch.
1918 (find_bswap): Modify compare number generation.
1920 2010-03-11 Richard Guenther <rguenther@suse.de>
1923 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
1924 (input_gimple_stmt): Fixup handled component types during
1925 operand read. Also fix up decls in ADDR_EXPRs.
1927 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
1929 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
1930 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
1932 2010-03-10 Jan Hubicka <jh@suse.cz>
1935 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
1936 * varasm.c (get_variable_section): Don't do that here...
1937 (make_decl_rtl): ... and here.
1938 (do_assemble_alias): Produce decl RTL.
1939 (assemble_alias): Likewise.
1941 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1944 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
1945 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
1947 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
1948 (based_loc_descr): Only express drap or vdrap regno based expressions
1949 using DW_OP_fbreg when not optimizing.
1950 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
1951 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
1952 REG_CFA_SET_VDRAP note.
1954 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
1956 PR tree-optimization/43236
1957 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
1958 error in calculation of base address in reverse iteration case.
1959 (generate_builtin): Take number of latch executions if the statement
1962 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
1965 * tree-eh.c: Include pointer-set.h.
1966 (lower_eh_dispatch): Filter out duplicate case labels and
1967 remove the unneeded edge when the label is unused. Return
1968 true when some edges are removed.
1969 (execute_lower_eh_dispatch): When any lowering resulted in
1970 removing an edge, also delete unreachable blocks.
1972 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1975 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1976 UNSPEC_MACHOPIC_OFFSET.
1978 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
1981 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
1982 (m68k_delegitimize_address): New function.
1984 2010-03-09 Jakub Jelinek <jakub@redhat.com>
1987 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
1990 * var-tracking.c (adjust_sets): New function.
1991 (count_with_sets, add_with_sets): Use it.
1992 (get_adjusted_src): New inline function.
1993 (add_stores): Use it.
1996 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
1997 call cselib_dummy_expand_value_rtx_cb instead of
1998 cselib_expand_value_rtx_cb.
2001 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2002 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2003 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2004 and .cfi_endproc around the pic thunks.
2005 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2006 all queued unwind info register saves are saved before the call.
2007 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2008 considered as sp-=4 for unwind info and the pop as sp+=4 which
2009 also clobbers dest, but doesn't actually restore it.
2012 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2013 RTX_FRAME_RELATED_P.
2015 2010-03-09 Jie Zhang <jie@codesourcery.com>
2017 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2018 whitespaces in output template.
2020 2010-03-09 Jie Zhang <jie@codesourcery.com>
2022 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2025 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2027 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2028 builtins.exp in a separate job.
2030 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2032 * graphite-sese-to-poly.c (add_param_constraints): Use
2033 lower_bound_in_type and upper_bound_in_type.
2035 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2037 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2038 instead of unsigned_type_node.
2040 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2041 Reza Yazdani <reza.yazdani@amd.com>
2044 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2045 on pointer type parameters.
2047 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2051 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2052 handle conversions from pointer to integers.
2053 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2054 induction variable, to be able to work with code generated by CLooG.
2055 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2056 (build_poly_scop): Bail out if we cannot codegen a loop.
2058 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2060 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2061 code generation with gloog_error.
2063 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2065 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2066 Call fold_convert on all the returned values.
2067 (expand_scalar_variables_expr): Pass to
2068 expand_scalar_variables_ssa_name the type of the resulting expression.
2070 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2072 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2073 ppl_min_for_le_pointset.
2074 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2075 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2077 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2079 * graphite-dependences.c (map_into_dep_poly): Removed.
2080 (dependence_polyhedron_1): Use combine_context_id_scat.
2082 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2084 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2085 (struct poly_bb): Same.
2086 (combine_context_id_scat): New.
2088 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2091 * sese.c (name_defined_in_loop_p): Return false for default
2094 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2096 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2097 and clean up the logic.
2099 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2101 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2104 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2106 * var-tracking.c (remove_cselib_value_chains): Define only for
2108 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
2109 delete_slot_part, emit_notes_for_differences_1): Don't call
2110 remove_cselib_value_chains here.
2111 (set_slot_part, emit_notes_for_differences_2): Don't call
2112 add_cselib_value_chains here.
2113 (preserved_values): New vector.
2114 (preserve_value): New function.
2115 (add_uses, add_stores, vt_add_function_parameters): Use it
2116 instead of cselib_preserve_value.
2117 (changed_values_stack): New vector.
2118 (check_changed_vars_0): New function.
2119 (check_changed_vars_1, check_changed_vars_2): Use it.
2120 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
2121 changed_values_stack VALUEs.
2122 (vt_emit_notes): For all preserved_values call
2123 add_cselib_value_chains. If ENABLE_CHECKING call
2124 remove_cselib_value_chains before verifying value_chains is empty.
2125 Initialize and free changed_values_stack.
2126 (vt_initialize): Initialize preserved_values.
2127 (vt_finalize): Free preserved_values.
2129 2010-03-08 Richard Guenther <rguenther@suse.de>
2131 PR tree-optimization/43269
2132 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
2135 2010-03-08 Martin Jambor <mjambor@suse.cz>
2137 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
2138 (ipa_is_param_called): Removed.
2139 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
2140 (ipa_print_node_params): Do not print the called flag.
2141 (ipa_write_node_info): Do not stream the called flag.
2142 (ipa_read_node_info): Likewise.
2144 2010-03-07 Jakub Jelinek <jakub@redhat.com>
2147 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
2148 * cselib.c (struct expand_value_data): Add dummy field.
2149 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
2151 (cselib_dummy_expand_value_rtx_cb): New function.
2152 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
2154 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
2155 * var-tracking.c: Include pointer-set.h.
2156 (variable): Change n_var_parts to char from int. Add
2157 cur_loc_changed and in_changed_variables fields.
2158 (variable_canonicalize): Remove.
2159 (shared_var_p): New inline function.
2160 (unshare_variable): Maintain cur_loc_changed and
2161 in_changed_variables fields. If var was in changed_variables,
2162 replace it there with new_var. Just copy cur_loc instead of
2163 resetting it to something else.
2164 (variable_union): Don't recompute cur_loc. Use shared_var_p.
2165 (dataflow_set_union): Don't call variable_canonicalize.
2166 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
2167 of their DEBUG_EXPR_TREE_DECLs.
2168 (canonicalize_loc_order_check): Verify that cur_loc is NULL
2169 and in_changed_variables and cur_loc_changed is false.
2170 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
2171 and cur_loc_changed. Don't update cur_loc here.
2172 (variable_merge_over_src): Don't call variable_canonicalize.
2173 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
2174 removing loc that is equal to cur_loc, clear cur_loc,
2175 set cur_loc_changed and ensure variable_was_changed is called.
2176 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
2177 compare pointers in cur_loc check, if it is equal to loc,
2178 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
2179 (variable_different_p): Remove compare_current_location argument,
2180 don't compare cur_loc.
2181 (dataflow_set_different_1): Adjust variable_different_p caller.
2182 (variable_was_changed): If dv had some var in changed_variables
2183 already, reset in_changed_variables flag for it and propagate
2184 cur_loc_changed over to the new variable. On empty var
2185 always set cur_loc_changed. Set in_changed_variables on whatever
2186 var is added to changed_variables.
2187 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
2188 Use shared_var_p. When removing loc that is equal to cur_loc,
2189 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
2190 end, don't set it to something else, just call variable_was_changed.
2191 (delete_slot_part): Use shared_var_p. When cur_loc equals to
2192 loc being removed, clear cur_loc and set cur_loc_changed.
2193 Set cur_loc_changed if all locations have been removed.
2194 (struct expand_loc_callback_data): New type.
2195 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
2196 allocated. Always create SUBREGs if simplify_subreg failed.
2197 Prefer to use cur_loc, when that fails and still in
2198 changed_variables (and seen first time) recompute it. Set
2199 cur_loc_changed of variables which had to change cur_loc and
2200 compute elcd->cur_loc_changed if any of the subexpressions used
2201 had to change cur_loc.
2202 (vt_expand_loc): Adjust to pass arguments in
2203 expand_loc_callback_data structure.
2204 (vt_expand_loc_dummy): New function.
2205 (emitted_notes): New variable.
2206 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
2207 that weren't used for any other decl in current
2208 emit_notes_for_changes call call vt_expand_loc_dummy to update
2209 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
2210 first loc_chain location if NULL before. Always use just
2211 cur_loc instead of first loc_chain location. When cur_loc_changed
2212 is false, when not --enable-checking=rtl just don't emit any note.
2213 When rtl checking, compute the note and assert it is the same
2214 as previous note. Clear cur_loc_changed and in_changed_variables
2215 at the end before removing from changed_variables.
2216 (check_changed_vars_3): New function.
2217 (emit_notes_for_changes): Traverse changed_vars to call
2218 check_changed_vars_3 on each changed var.
2219 (emit_notes_for_differences_1): Clear cur_loc_changed and
2220 in_changed_variables. Recompute cur_loc of new_var.
2221 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
2222 (vt_emit_notes): Initialize and destroy emitted_notes.
2224 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
2226 PR rtl-optimization/42220
2227 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
2228 Use verify_reg_tracked to determine if we should use OP_OUT rather
2230 (build_def_use): If we see an in-out operand for a register that we
2231 know nothing about, treat is an output if possible, fail the block if
2234 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2237 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
2240 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2243 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
2244 uses of relevant DEFs that are dead outside the loop too.
2246 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2248 * var-tracking.c (dataflow_set_merge): Swap src and src2.
2250 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2252 * var-tracking.c (values_to_unmark): New variable.
2253 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2254 values_to_unmark vector. Moved body to...
2255 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2256 instead queue it into values_to_unmark vector.
2257 (vt_find_locations): Free values_to_unmark vector.
2259 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
2261 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
2262 (site.exp): Export them when plugins are enabled.
2264 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
2267 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
2269 (chrec_fold_multiply): Same.
2271 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2274 * c-decl.c (build_compound_literal): Return early if init is
2277 2010-03-04 Martin Jambor <mjambor@suse.cz>
2279 PR tree-optimization/43164
2280 PR tree-optimization/43191
2281 * tree-sra.c (type_consists_of_records_p): Reject records with
2282 zero-size bit-fields at the end.
2284 2010-03-04 Mike Stump <mikestump@comcast.net>
2286 * Makefile.in (TAGS): Remove *.y.
2288 2010-03-04 Richard Guenther <rguenther@suse.de>
2290 PR tree-optimization/40761
2291 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
2293 (my_rev_post_order_compute): New function.
2294 (init_pre): Call it.
2296 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
2299 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
2300 decrease the cost of an IV candidate when the cost is infinite.
2302 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2304 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
2305 Use '3DNow!' for the extension of that name, ensure normal space
2307 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2309 2010-03-03 Jeff Law <law@redhat.com>
2311 * PR middle-end/32693
2312 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
2313 than gen_rtx_SUBREG.
2314 (extract_bit_field_1): Likewise.
2316 2010-03-03 Janis Johnson <janis187@us.ibm.com>
2318 * doc/sourcebuild.texi (Test directives): Document that arguments
2319 include-opts and exclude-opts are now optional for dg-skip-if,
2320 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
2322 2010-03-03 Jason Merrill <jason@redhat.com>
2325 * cgraph.h (varpool_node): Add extra_name field.
2326 * varpool.c (varpool_extra_name_alias): New.
2327 (varpool_assemble_decl): Emit extra name aliases.
2328 (varpool_mark_needed_node): Look past an extra name alias.
2329 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
2330 * lto-streamer-in.c (lto_input_tree): Read it.
2331 * lto-streamer-out.c (output_unreferenced_globals): Write it.
2333 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
2335 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
2336 (sparc*-*-solaris2*): ...this.
2338 2010-03-03 Jakub Jelinek <jakub@redhat.com>
2341 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
2342 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
2343 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
2344 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
2347 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
2348 fallthrough to default handling, just with want_address 0 instead of 2.
2349 For single element lists, add_AT_loc directly, otherwise create an
2350 artificial variable DIE and stick location list to it.
2353 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
2354 (VAL_EXPR_HAS_REVERSE): Define.
2355 (reverse_op): New function.
2356 (add_stores): For reversible operations add an extra MO_VAL_USE.
2358 2010-03-02 Jason Merrill <jason@redhat.com>
2360 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
2362 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
2364 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
2365 (sparc64-*-linux*): Likewise.
2366 (sparc64-*-solaris2*): Include assembler files before linker ones.
2367 (sparc-*-solaris2*): Simplify and reorder to match previous case.
2368 * config/sparc/gas.h: Delete.
2369 * config/sparc/sol2-64.h: Add copyright notice.
2370 * config/sparc/sol2-gas-bi.h: Likewise.
2371 * config/sparc/sol2-gld.h: Likewise.
2372 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
2373 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
2374 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
2375 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
2376 (sparc_elf_asm_named_section): Rename into...
2377 (sparc_solaris_elf_asm_named_section): ...this. Always define.
2379 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
2381 * config/alpha/alpha.c (override_options): Fix -mtune error message.
2383 2010-03-02 Jeff Law <law@redhat.com>
2386 * reload1.c (rtx_p, substitute_stack): Declare.
2387 (substitute): Record addresses of changed rtxs.
2388 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
2389 Restore the original rtx when complete.
2390 (reload): Free subsitute_stack when complete.
2392 2010-03-02 Janis Johnson <janis187@us.ibm.com>
2394 * doc/gccint.texi (menu): Add Testsuites as a chapter.
2395 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
2397 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
2398 LTO Testing, gcov Testing, profopt Testing, compat Testing,
2399 Torture Tests): Change from subsection to section.
2401 2010-03-02 Jakub Jelinek <jakub@redhat.com>
2402 Steven Bosscher <steven@gcc.gnu.org>
2404 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
2407 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
2410 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
2411 the assignment from the new induction variable to the assignment
2412 of the value from the original loop PHI function.
2414 2010-03-01 Janis Johnson <janis187@us.ibm.com>
2415 Daniel Jacobowitz <dan@codesourcery.com>
2417 * doc/sourcebuild.texi (Test directives): Clarify options to
2420 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2422 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
2423 Disable cfi directives unless GCC and gas agree on using read-only
2424 .eh_frame sections for 64-bit.
2425 * configure: Regenerate.
2427 2010-03-01 Richard Guenther <rguenther@suse.de>
2429 PR tree-optimization/43220
2430 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
2431 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
2433 2010-03-01 Richard Guenther <rguenther@suse.de>
2434 Martin Jambor <mjambor@suse.cz>
2437 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
2438 gimplified parameters.
2440 2010-03-01 Christian Bruel <christian.bruel@st.com>
2442 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
2444 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
2446 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
2448 2010-03-01 Richard Guenther <rguenther@suse.de>
2451 * expr.c (expand_assignment): Use the alias-oracle to tell
2452 if the rhs aliases the result decl.
2454 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2457 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
2458 to sol_gt_pch_get_address.
2459 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
2460 64-bit, SPARC and x86.
2461 (sol_gt_pch_get_address): New function.
2463 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
2465 * toplev.h (inform_n, error_n): Declare.
2466 * diagnostic.c (inform_n, error_n): New function.
2468 2010-03-01 Jakub Jelinek <jakub@redhat.com>
2470 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
2471 has no rtl yet when processing local_decls, queue it and recheck
2472 if deferred stack allocation hasn't assigned it rtl.
2474 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
2476 * config/sh/sh.c (unspec_bbr_uid): New.
2477 (gen_block_redirect): Use it instead of INSN_UID.
2478 (gen_far_branch): Likewise.
2480 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
2482 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
2483 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
2485 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2487 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
2488 (Warning Options): -Wno-conversion-null is valid for
2489 Objective-C++ as well.
2490 * doc/tm.texi (Named Address Spaces): Likewise.
2491 * doc/plugins.texi (Plugins): Replace TABs with spaces.
2492 * doc/tree-ssa.texi (Tree SSA): Likewise.
2494 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2497 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
2498 by default. Don't set the default arch for
2499 i[34567]86-*-darwin*|x86_64-*-darwin*.
2501 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2504 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
2505 default. Set the default 32bit/64bit archs with $with_arch
2506 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
2508 2010-02-27 Richard Guenther <rguenther@suse.de>
2510 PR tree-optimization/43186
2511 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
2512 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
2513 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
2514 unroller iterations.
2516 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2518 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
2519 required and i[34567]86-*-* targets don't support 64bit ISA.
2521 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
2524 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2527 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2529 * config.gcc: Set the default arch at least to Prescott for
2530 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2531 if SSE math is enabled.
2533 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2535 * diagnostic.c (diagnostic_initialize): Update.
2536 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2538 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2539 (diagnostic_inhibit_notes): New.
2540 * toplev.c (process_options): inhibit notes with -fcompare-debug.
2542 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2545 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2546 * doc/standards.texi: Likewise.
2547 * doc/extend.texi: Likewise.
2548 * doc/trouble.texi: Likewise.
2549 * doc/cppopts.texi: Likewise.
2550 * doc/install.texi: Likewise.
2551 * c.opt (std=c90,std=gnu90): New options.
2552 * c-opts.c (c_common_handle_option): Handle them.
2554 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2557 * c-decl.c (undeclared_variable): Use an informative note.
2559 2010-02-26 Richard Guenther <rguenther@suse.de>
2561 PR tree-optimization/43186
2562 * gimple.h (gimple_fold): Remove.
2563 * gimple.c (gimple_fold): Remove. Inline into single user ...
2564 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2565 Try harder for conditions.
2567 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2570 * function.c (used_types_insert): Don't skip through named pointer
2571 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2572 and it is different from the main variant's type.
2574 2010-02-26 Nick Clifton <nickc@redhat.com>
2576 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2578 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2580 * config.gcc: Support --with-fpmath=sse for x86.
2582 * config/i386/ssemath.h: New.
2584 * doc/install.texi (--with-fpmath=sse): Documented.
2586 2010-02-26 Richard Guenther <rguenther@suse.de>
2588 PR tree-optimization/43188
2589 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2590 vector types of over-aligned element type.
2592 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2595 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2596 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2598 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2600 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2602 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2604 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2605 * var-tracking.c: Include diagnostic.h.
2606 (debug_dv): New function.
2607 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2610 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2611 (add_value_chain, add_value_chains, remove_value_chain,
2612 remove_value_chains): Handle DEBUG_EXPRs.
2613 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2616 * regcprop.c (struct queued_debug_insn_change): New type.
2617 (struct value_data_entry): Add debug_insn_changes field.
2618 (struct value_data): Add n_debug_insn_changes field.
2619 (debug_insn_changes_pool): New variable.
2620 (free_debug_insn_changes, apply_debug_insn_changes,
2621 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2622 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2623 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2625 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2627 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2628 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2629 changes, call cprop_find_used_regs via note_stores.
2630 (copyprop_hardreg_forward): When copying vd from predecessor
2631 which has any queued DEBUG_INSN changes, make sure the pointers are
2632 cleared. At the end call df_analyze and then if there are any
2633 DEBUG_INSN changes queued at the end of some basic block for still
2634 live registers, apply them.
2635 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2637 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2639 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2642 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2644 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2645 targets. Set the default with_cpu/with_arch from arch/cpu.
2646 Allow x86-64 and native for with_cpu/with_arch.
2648 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2650 * ebitmap.c: Change calls to verify_popcount with calls to
2651 sbitmap_verify_popcount.
2652 (ebitmap_clear_bit): Fixed map->cacheindex test and
2653 map>cache update when bit clearing results in an empty
2656 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2659 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2660 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2661 and support both V2DF and V2DI modes.
2662 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2663 support both V2DF and V2DI modes.
2664 (general): Delete trailing whitespace from a few patterns.
2666 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2667 V2DF/V2DI interleave high/low builtins.
2669 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2672 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2673 interleave high/low functions.
2675 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2677 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2678 #pragma extern_prefix.
2680 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2683 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2684 BLKmode, assert op0 is a MEM and just adjust its mode.
2687 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2688 if bitpos isn't multiple of mode's bitsize.
2690 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2692 * c.opt (-ftemplate-depth=): New.
2693 (-ftemplate-depth-): Deprecate.
2694 * optc-gen.awk: Handle -ftemplate-depth=.
2695 * opth-gen.awk: Likewise.
2696 * c-opts.c (c_common_handle_option): Likewise.
2697 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2699 2010-02-24 Jason Merrill <jason@redhat.com>
2701 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2703 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2705 * cfg.c (alloc_aux_for_block): Remove inline.
2706 (alloc_aux_for_edge): Likewise.
2708 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2710 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2712 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2714 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2715 * config/i386/sol2-gas.h: New file.
2716 * config.gcc (i[34567]86-*-solaris2*): Use it.
2718 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2721 * c-typeck.c (ep_convert_and_check): New.
2722 (build_conditional_expr): Use it.
2723 (build_binary_op): Likewise.
2725 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2727 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2730 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2731 bounds even for -O+.
2732 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2733 expr needs to have DECL_NAME set.
2735 2010-02-24 Nick Clifton <nickc@redhat.com>
2737 * config/mep/mep.c: Include gimple.h.
2738 (mep_function_uses_sp): Delete unused function.
2739 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2740 parameters. Use unsigned integers to count args. Return a
2741 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2743 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2746 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2747 greater or equal to nelt instead of 2 * nelt.
2748 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2751 2010-02-23 Jason Merrill <jason@redhat.com>
2754 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2755 in cfun->local_decls even if they have register types.
2758 * stor-layout.c (place_field): Don't warn about unnecessary
2759 DECL_PACKED if the type is packed.
2761 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2764 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2765 GOTOFF relocs, even when the base reg isn't pic pointer.
2767 2010-02-23 Michael Matz <matz@suse.de>
2770 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2771 (expand_gimple_basic_block): Generate and use debug temps if there
2772 are debug uses left after the last real use of TERed ssa names.
2773 Unlink debug immediate uses when they are expanded.
2775 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2778 * config/i386/i386.c (override_options): Reorganise to provide
2779 better error messages.
2781 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2784 * graphite-scop-detection.c (create_single_exit_edge): Move
2785 the call to find_single_exit_edge to....
2786 (create_sese_edges): ...here. Don't handle multiple edges
2787 exiting the function.
2788 (build_graphite_scops): Don't handle multiple edges
2789 exiting the function.
2791 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2794 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2795 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2797 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2800 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2802 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2805 * c-typeck.c (convert_arguments): Print declaration location.
2806 * c-common.c (validate_nargs): Rename as
2807 builtin_function_validate_nargs.
2808 (check_builtin_function_arguments): Update.
2810 2010-02-22 Richard Guenther <rguenther@suse.de>
2813 * tree-inline.c (declare_return_variable): Use the type of
2814 the call stmt lhs if available.
2816 2010-02-22 Duncan Sands <baldrick@free.fr>
2818 * passes.c (register_pass): Always consider all pass lists when
2819 ref_pass_instance_number is zero.
2821 2010-02-22 Richard Guenther <rguenther@suse.de>
2823 PR tree-optimization/42749
2824 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2825 parameter. Do arithmetic in the original type.
2826 (update_accumulator_with_ops): Likewise.
2827 (adjust_accumulator_values): Adjust.
2829 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2831 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2832 (QI to BLKmode splitter): New splitter.
2834 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2836 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2837 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2839 2010-02-22 Richard Guenther <rguenther@suse.de>
2841 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2843 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2845 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2846 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2847 ($(T)crti.o, $(T)crtn.o): Remove rules.
2849 2010-02-21 Tobias Burnus <burnus@net-b.de>
2852 * doc/invoke.texi (-fassociative-math): Document that this
2853 option is automatically enabled for Fortran.
2855 2010-02-20 David S. Miller <davem@davemloft.net>
2857 * configure.ac: Test if linker and assembler properly support
2858 GOTDATA_OP relocations.
2859 * configure: Rebuild.
2860 * config.in: Likewise.
2861 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2862 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2863 (movsi_high_pic): Likewise.
2864 (movdi_lo_sum_pic): Likewise.
2865 (movdi_high_pic): Likewise.
2866 (movsi_pic_gotdata_op): New pattern.
2867 (movdi_pic_gotdata_op): Likewise.
2868 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2869 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
2871 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
2874 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
2875 attribute to ssemul.
2876 (xop_mulv2div2di3_high): Ditto.
2878 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2881 * c.opt (Wconversion-null): New option.
2882 * doc/invoke.texi (Wconversion-null): Document.
2884 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2886 * common.opt (Wlarger-than-): Add Undocumented.
2888 2010-02-19 Mike Stump <mikestump@comcast.net>
2890 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
2892 2010-02-19 Jason Merrill <jason@redhat.com>
2895 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
2896 * configure: Likewise.
2898 2010-02-20 Alan Modra <amodra@gmail.com>
2901 * cgraph.h (cgraph_make_decl_local): Declare.
2902 * cgraph.c (cgraph_make_decl_local): New function.
2903 (cgraph_make_node_local): Use it.
2904 * cgraphunit.c (cgraph_function_versioning): Likewise.
2905 * ipa.c (function_and_variable_visibility): Likewise.
2907 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2910 * except.c (sjlj_emit_function_enter): Don't call
2911 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
2913 * rtl.h (add_reg_br_prob_note): Remove prototype.
2915 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2918 * c-common.c (conversion_warning): Remove widening conversions
2919 before checking the conversion of integers to reals.
2921 2010-02-19 Mike Stump <mikestump@comcast.net>
2924 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
2927 * cgraphunit.c (process_function_and_variable_attributes): Check
2928 DECL_PRESERVE_P instead of looking up attribute "used".
2929 * ipa-pure-const.c (check_decl): Likewise.
2930 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
2931 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
2932 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
2933 instead of attribute "used".
2934 * config/sol2-c.c (solaris_pragma_init): Likewise.
2935 (solaris_pragma_fini): Likewise.
2937 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2939 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
2940 Use XCNEW instead of xcalloc.
2941 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
2942 XNEW instead of xmalloc.
2943 (get_fields): Use XNEWVEC instead of xmalloc.
2946 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
2947 populate vars array.
2948 (create_new_general_access): For debug stmts just reset value.
2949 (get_stmt_accesses): For accesses within debug stmts just record them
2950 using add_access_to_acc_sites instead of preventing the peeling or
2951 counting them as accesses.
2954 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
2956 2010-02-19 Richard Guenther <rguenther@suse.de>
2958 PR tree-optimization/42916
2959 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
2962 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
2964 * configure.ac: Replace all uses of changequote in macro arguments
2965 with proper quoting.
2967 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2970 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
2972 2010-02-19 Richard Guenther <rguenther@suse.de>
2974 PR tree-optimization/42944
2975 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
2976 test for aliasing with errno.
2978 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2981 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
2982 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
2983 * dojump.c: Include output.h.
2984 (inv): New inline function.
2985 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
2986 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
2987 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
2988 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
2989 argument, pass it down to other calls.
2990 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
2991 add REG_BR_PROB note to the conditional jump.
2992 * cfgexpand.c (add_reg_br_prob_note): Removed.
2993 (expand_gimple_cond): Don't call it, add the probability
2994 as last argument to jumpif_1/jumpifnot_1.
2995 * Makefile.in (dojump.o): Depend on output.h.
2996 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
2998 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
2999 * stmt.c (do_jump_if_equal): Likewise.
3000 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3001 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3002 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3004 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3005 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3006 jumpifnot_1 callers.
3007 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3009 (store_expr): Adjust jumpifnot caller.
3010 (store_constructor): Adjust jumpif caller.
3013 * gimplify.c (gimple_boolify): For __builtin_expect call
3014 gimple_boolify also on its first argument.
3016 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3018 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3020 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3021 * configure: Regenerated.
3023 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3025 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3026 lang_hooks.types_compatible_p instead of comptypes.
3028 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3030 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3031 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3032 if __prefer_thumb__ is defined.
3034 2010-02-18 Martin Jambor <mjambor@suse.cz>
3036 PR tree-optimization/43066
3037 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3038 array with zero-sized element type.
3040 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3042 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3043 rtx, allocate struct var_loc_node here and return it to the
3044 caller, and only if it is actually needed.
3045 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3046 move it earlier and return immediately if it returns NULL.
3048 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3050 * config/sparc/gas.h: New file. Restore
3051 TARGET_ASM_NAMED_SECTION to its ELF default.
3052 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3054 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3055 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3056 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3057 after sparc/sysv4.h.
3059 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3061 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3063 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3065 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3066 patterns from predicated pattern.
3068 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3071 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3072 for insn mnemonic suffix.
3074 2010-02-17 Richard Guenther <rguenther@suse.de>
3076 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3079 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3082 * caller-save.c (save_call_clobbered_regs): If BB ends with
3083 a DEBUG_INSN, move any notes in between last real insn and the last
3084 DEBUG_INSN after the last DEBUG_INSN.
3086 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
3088 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
3089 Fix return type. Fix argument type. Explain meaning of return value.
3091 2010-02-16 Richard Guenther <rguenther@suse.de>
3093 PR tree-optimization/41043
3094 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
3095 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
3097 (vrp_visit_phi_node): ... but only for loop PHI nodes.
3099 2010-02-16 Ira Rosen <irar@il.ibm.com>
3101 PR tree-optimization/43074
3102 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
3103 * tree-vect-loop.c (vect_analyze_loop_operations): Add
3104 vectorizable cycles in hybrid SLP check.
3105 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
3107 2010-02-16 Richard Guenther <rguenther@suse.de>
3109 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
3110 (true_dependence): If memrefs_conflict_p computes must-alias
3111 trust it. Move TBAA check after offset-based disambiguation.
3112 (canon_true_dependence): Likewise.
3114 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
3116 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
3117 * doc/invoke.texi: Document it.
3118 * var-tracking.c: Include toplev.h and params.h.
3119 (vt_find_locations): Return bool indicating success. Compute
3120 hash sizes unconditionally. Check new parameter, report.
3121 (variable_tracking_main_1): Check vt_find_locations results and
3122 retry. Renamed from...
3123 (variable_tracking_main): ... this. New wrapper to preserve
3124 flag_var_tracking_assignments.
3125 * Makefile.in (var-tracking.o): Adjust dependencies.
3127 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
3128 Jakub Jelinek <jakub@redhat.com>
3131 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
3132 if weak_import attribute is present.
3133 * config/darwin.c (machopic_select_section): Likewise.
3135 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
3137 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
3138 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
3139 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
3140 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
3142 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
3144 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3147 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
3148 Rewrite text to refer to the names.
3150 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
3152 * config/i386/i386-builtin-types.def
3153 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
3154 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
3155 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
3156 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
3157 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
3158 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
3159 IX86_BUILTIN_VPERMIL2PS256.
3160 (MULTI_ARG_4_DF2_DI_I): Defined.
3161 (MULTI_ARG_4_DF2_DI_I1): Defined.
3162 (MULTI_ARG_4_SF2_SI_I): Defined.
3163 (MULTI_ARG_4_SF2_SI_I1): Defined.
3164 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
3165 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
3166 __builtin_ia32_vpermil2ps256.
3167 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3168 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3169 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
3170 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3171 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3172 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
3173 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
3174 CODE_FOR_xop_vpermil2v8sf3.
3175 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
3176 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
3177 * config/i386/xopintrin.h (_mm_permute2_pd): New.
3178 (_mm256_permute2_pd): New.
3179 (_mm_permute2_ps): New.
3180 (_mm256_permute2_ps): New.
3182 2010-02-15 Nick Clifton <nickc@redhat.com>
3184 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
3185 boolean parameters. Use emit_jump_insn when emitting a pop
3186 instruction containing a return insn.
3187 (push): Use 'true' rather than '1' as second parameter to F.
3188 (h8300_expand_prologue): Likewise.
3189 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
3190 (h8300_expand_epilogue): Likewise.
3192 2010-02-15 Richard Guenther <rguenther@suse.de>
3195 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
3198 2010-02-15 Nick Clifton <nickc@redhat.com>
3200 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
3203 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
3205 * intl.c (fake_ngettext): New function.
3206 * intl.h (fake_ngettext): Declare.
3207 (ngettext): Define macro.
3208 * collect2.c (notice_translated): New function.
3209 (main): Use notice_translated and ngettext.
3210 * collect2.h (notice_translated): Declare.
3212 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
3214 * reorg.c (delete_computation): Comment fixes.
3215 * caller-save.c (setup_save_areas): Idem.
3216 * sel-sched-dump.c (dump_lv_set): Idem.
3219 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3221 * config/s390/s390.c (s390_sched_init): New function.
3222 (TARGET_SCHED_INIT): Target hook defined.
3224 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
3225 Jack Howarth <howarth@bromo.med.uc.edu>
3226 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3229 Partial revert of unintended change in fix for PR41605.
3230 * config/darwin.h: Fix typo.
3231 * config/darwin9.h: Same.
3233 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3235 * c-pch.c (pch_init): Clear v.
3237 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3240 * graphite-scop-detection.c (graphite_can_represent_scev): Call
3241 graphite_can_represent_init for MULT_EXPR.
3243 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3247 * graphite-sese-to-poly.c (remove_phi): New.
3248 (translate_scalar_reduction_to_array): Call remove_phi.
3250 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3253 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
3254 * graphite-clast-to-gimple.h (gloog): Update declaration.
3255 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
3256 * graphite-poly.h (struct poly_bb): Add missing comments.
3257 (struct scop): Add poly_scop_p field.
3259 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
3260 * graphite.c (graphite_transform_loops): Build the polyhedral
3261 representation for each scop before code generation.
3262 * sese.c (rename_variables_in_operand): Removed.
3263 (rename_variables_in_expr): Return the renamed expression.
3264 (rename_sese_parameters): New.
3265 * sese.h (rename_sese_parameters): Declared.
3267 2010-02-11 Richard Guenther <rguenther@suse.de>
3269 PR tree-optimization/42998
3270 * tree-ssa-pre.c (create_expression_by_pieces): Treat
3271 POINTER_PLUS_EXPR properly.
3273 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3274 Changpeng Fang <changpeng.fang@amd.com>
3277 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
3278 the cost of an IV candidate when the IV is used in a test against zero.
3280 * gcc.dg/tree-ssa/ivopts-3.c: New.
3282 2010-02-11 Richard Guenther <rguenther@suse.de>
3285 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
3286 pointer-vs-decl case by swapping refs. Handle some cases
3287 of pointer-vs-decl disambiguations more conservatively.
3288 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
3289 to false after expanding.
3291 2010-02-11 Richard Guenther <rguenther@suse.de>
3294 * gcc.c (process_command): Handle LTO file@offset case more
3297 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3299 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
3300 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
3302 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
3304 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
3305 if MEM's mode size isn't DWARF2_ADDR_SIZE.
3306 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
3307 Optimize eq/ne comparisons when both arguments are known to be
3309 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
3310 Don't mask operands unnecessarily if they are known to be already
3313 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
3315 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
3318 2010-02-10 Richard Guenther <rguenther@suse.de>
3320 PR tree-optimization/43017
3321 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
3322 for wrapping signed arithmetic.
3324 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3327 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
3328 if no debug info should be emitted for it.
3330 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3332 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
3333 note when flag_exceptions is set.
3335 2010-02-10 Duncan Sands <baldrick@free.fr>
3337 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
3339 2010-02-10 Richard Guenther <rguenther@suse.de>
3342 * tree.c (get_unwidened): Handle constants.
3343 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
3345 2010-02-10 Martin Jambor <mjambor@suse.cz>
3348 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
3349 check for variable argument counts independently.
3351 2010-02-10 Christian Bruel <christian.bruel@st.com>
3354 * config/sh/sh.c (find_barrier): Increase length for non delayed
3355 conditional branches.
3357 2010-02-10 Christian Bruel <christian.bruel@st.com>
3359 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
3361 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3363 * builtins.c (set_builtin_user_assembler_name): Also handle
3364 ffs if int is smaller than word.
3366 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
3369 * ira-conflicts.c (get_dup): Remove.
3370 (process_reg_shuffles): Add new parameter. Use it as an
3371 additional guard for copy generation.
3372 (add_insn_allocno_copies): Rewrite.
3374 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
3376 * common.opt (fsched2-use-traces): Preserved for backward
3378 * doc/invoke.texi: Remove the documentation about option
3379 -fsched2-use-traces.
3380 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
3381 flag_sched2_use_traces.
3382 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
3383 the backward compatibility flag section.
3385 2010-02-09 Richard Guenther <rguenther@suse.de>
3387 PR tree-optimization/43008
3388 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
3389 make HEAP variables initialized from global memory if they
3390 are not known builtin functions.
3391 (find_func_aliases): Adjust.
3393 2010-02-09 Richard Guenther <rguenther@suse.de>
3395 PR tree-optimization/43000
3396 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
3397 arithmetic manually.
3399 2010-02-08 Jakub Jelinek <jakub@redhat.com>
3401 PR tree-optimization/42931
3402 * tree-loop-linear.c (try_interchange_loops): Don't call
3403 double_int_mul if estimated_loop_iterations failed.
3405 2010-02-08 Martin Jambor <mjambor@suse.cz>
3408 * tree-sra.c (build_accesses_from_assign): Do not mark in
3409 should_scalarize_away_bitmap if stmt has volatile ops.
3410 (sra_modify_assign): Do not process assigns piecemeal if if stmt
3413 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
3415 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
3417 2010-02-07 Adam Nemet <adambnmet@gmail.com>
3419 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
3422 2010-02-07 Andrew Pinski <pinskia@gmail.com>
3425 * df-core.c (df_finish_pass): Change type of saved_flags to int.
3427 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3430 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
3431 to unknown_dependence.
3432 (graphite_legal_transform_dr): Handle the unknown_dependence.
3433 (graphite_carried_dependence_level_k): Same.
3435 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3437 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
3439 2010-02-07 Richard Guenther <rguenther@suse.de>
3442 * expr.c (get_inner_reference): Always initialize *pbitsize.
3444 2010-02-07 Richard Guenther <rguenther@suse.de>
3447 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
3448 new ARRAY_REFs on variable size element or minimal index arrays.
3450 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
3451 gimple_fold_indirect_ref.
3453 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
3456 * arm.c (arm_override_options): Just return if the user has specified
3457 an invalid fpu name.
3459 2010-02-03 Jason Merrill <jason@redhat.com>
3462 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
3463 i386_pe_maybe_record_exported_symbol.
3465 2010-02-05 Steve Ellcey <sje@cup.hp.com>
3468 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3469 (pa_delegitimize_address): New function.
3471 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
3473 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
3474 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
3476 2010-02-05 Richard Guenther <rguenther@suse.de>
3479 * lto-streamer-in.c (get_resolution): Deal with references
3480 to undefined functions.
3482 2010-02-05 Richard Guenther <rguenther@suse.de>
3484 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
3485 (fold_const_aggregate_ref): Likewise.
3486 (ccp_fold_stmt): Substitute loads.
3487 (maybe_fold_reference): Verify types before substituting.
3489 (fold_gimple_assign): Unshare properly.
3490 (fold_stmt_1): Insert conversi