1 2010-04-09 Richard Guenther <rguenther@suse.de>
4 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
6 2010-04-09 Richard Guenther <rguenther@suse.de>
8 * tree-vectorizer.h (struct _stmt_vec_info): Document
9 that vectype is the type of the LHS.
10 (supportable_widening_operation, supportable_narrowing_operation):
11 Get both input and output vector types as arguments.
12 (vect_is_simple_use_1): Declare.
13 (get_same_sized_vectype): Likewise.
14 * tree-vect-loop.c (vect_determine_vectorization_factor):
15 Set STMT_VINFO_VECTYPE to the vector type of the def.
16 (vectorizable_reduction): Adjust.
17 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
18 Adjust. Specify the output vector type.
19 (vect_pattern_recog_1): Adjust.
20 * tree-vect-stmts.c (get_same_sized_vectype): New function.
21 (vectorizable_call): Adjust.
22 (vectorizable_conversion): Likewise.
23 (vectorizable_operation): Likewise.
24 (vectorizable_type_demotion): Likewise.
25 (vectorizable_type_promotion): Likewise.
26 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
28 (vect_is_simple_use_1): New function.
29 (supportable_widening_operation): Get both input and output
31 (supportable_narrowing_operation): Likewise.
32 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
34 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
36 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
37 __thiscall and _thiscall as predefined macros.
38 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
39 thiscall attribute handling.
40 (ix86_comp_type_attributes): Likewise.
41 (ix86_function_regparm): Likewise.
42 (ix86_return_pops_args): Likewise.
43 (init_cumulative_args): Likewise.
44 (find_drap_reg): Likewise.
45 (ix86_static_chain): Likewise.
46 (x86_this_parameter): Likewise.
47 (x86_output_mi_thunk): Likewise.
48 (ix86_attribute_table): Add description for thiscall attribute.
49 * config/i386/i386.h (ix86_args): Adjust comment for member
51 * doc/extend.texi: Add documentation for thiscall.
53 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
56 * c.opt (Wint-to-pointer-cast): Available in C++.
57 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
59 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
61 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
62 * calls.c (expand_call): Pass the function type to aggregate_value_p.
63 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
64 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
65 function type instead. Reorder and simplify checks.
67 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
69 2010-04-08 Jing Yu <jingyu@google.com>
70 Zdenek Dvorak <ook@ucw.cz>
72 PR tree-optimization/42720
73 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
74 loop unswitch conditions here from
75 (tree_unswitch_single_loop).
77 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
79 * tree-if-conv.c: Fix comments and simplify logic.
81 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
83 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
84 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
85 (main_tree_if_conversion): Update call to tree_if_conversion.
87 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
90 * doc/invoke.texi (-b,-V): Delete.
91 * doc/tm.texi: Do not mention -b.
92 * gcc.c (display_help): Delete -b and -V.
93 (process_command): Delete -b and -V.
94 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
96 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
97 Wolfgang Gellerich <gellerich@de.ibm.com>
99 Implement target hook for loop unrolling
100 * target.h (loop_unroll_adjust): Add a new target hook function.
101 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
102 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
103 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
104 (s390_loop_unroll_adjust): Implement the new target hook for s390.
105 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll target hook
106 (decide_unroll_stupid): Likewise.
108 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
111 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
113 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
115 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
116 (Specific, *-*-solaris2*): Likewise.
117 Don't prefer Sun as over GNU as.
119 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
121 * config/s390/s390.c (override_options): Adjust the z10
122 defaults for max-unroll-times, max-completely-peeled-insns
123 and max-completely-peel-times.
125 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
127 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
128 instructions for z10.
129 (s390_expand_setmem): Likewise.
130 (s390_expand_cmpmem): Likewise.
132 2010-04-08 Richard Guenther <rguenther@suse.de>
134 PR tree-optimization/43679
135 * tree-ssa-pre.c (eliminate): Only propagate copies.
137 2010-04-08 Jakub Jelinek <jakub@redhat.com>
140 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
141 set but not used variable warning.
143 2010-04-08 Wei Guozhi <carrot@google.com>
146 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
147 (arm_size_rtx_costs): Call the new function when optimized for size.
149 2010-04-08 Jakub Jelinek <jakub@redhat.com>
152 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
153 op0 is not a MEM, just return NULL instead of assertion
155 (discover_nonconstant_array_refs): Don't walk debug stmts.
157 2010-04-08 Doug Kwan <dougkwan@google.com>
159 * configure.ac: Recognize gold and do not use its version number
161 * configure: Regenerate.
163 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
166 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
167 (negate_value): Move code to push elements to broken_up_substracts ...
168 (eliminate_plus_minus_pair): ... here. Push operands that have no
169 negative pair to plus_negates.
170 (repropagate_negates, init_reassoc, fini_reassoc): Update.
172 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
174 * doc/install.texi (Configuration): Move description of
175 --enable-lto, --with-libelf*, --enable-gold from Java section to
178 * doc/generic.texi (Working with declarations)
179 (Function Properties, C and C++ Trees): Fix typos.
180 * doc/sourcebuild.texi (Top Level): Likewise.
182 2010-04-07 Jakub Jelinek <jakub@redhat.com>
185 * tree.h (DECL_READ_P): Define.
186 (struct tree_decl_common): Add decl_read_flag.
187 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
188 a set but not used warning.
189 (merge_decls): Merge DECL_READ_P flag.
190 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
191 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
192 * c-common.c (handle_used_attribute, handle_unused_attribute):
194 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
196 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
198 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
199 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
200 c_parser_binary_expression, c_parser_cast_expression,
201 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
202 Call default_function_array_read_conversion instead of
203 default_function_array_conversion where needed.
204 (c_parser_unary_expression, c_parser_conditional_expression,
205 c_parser_postfix_expression_after_primary, c_parser_initelt):
206 Likewise. Call mark_exp_read where needed.
207 (c_parser_statement_after_labels, c_parser_asm_operands,
208 c_parser_typeof_specifier, c_parser_sizeof_expression,
209 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
211 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
213 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
214 (warn_unused_but_set_parameter): Default to warn_unused
216 * doc/invoke.texi: Document -Wunused-but-set-variable and
217 -Wunused-but-set-parameter.
219 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
221 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
222 when operandN variables aren't used in the body of the expander
224 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
225 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
226 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
227 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
228 FOR_EACH_IMM_USE_ON_STMT): Likewise.
229 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
230 * tree.c (PROCESS_ARG): Likewise.
232 2010-04-07 Simon Baldwin <simonb@google.com>
234 * diagnostic.h (diagnostic_override_option_index): New macro to
235 set a diagnostic's option_index.
236 * c-tree.h (c_cpp_error): Add warning reason argument.
237 * opts.c (_warning_as_error_callback): New.
238 (register_warning_as_error_callback): Store callback for
239 warnings enabled via enable_warning_as_error.
240 (enable_warning_as_error): Call callback, minor code tidy.
241 * opts.h (register_warning_as_error_callback): Declare.
242 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
243 response to -Werror=.
244 (c_common_init_options): Register warning_as_error_callback in opts.c.
245 * common.opt: Add -Wno-cpp option.
246 * c-common.c (struct reason_option_codes_t): Map cpp warning
247 reason codes to gcc option indexes.
248 * (c_option_controlling_cpp_error): New function, lookup the gcc
249 option index for a cpp warning reason code.
250 * (c_cpp_error): Add warning reason argument, call
251 c_option_controlling_cpp_error for diagnostic_override_option_index.
252 * doc/invoke.texi: Document -Wno-cpp.
254 2010-04-07 Richard Guenther <rguenther@suse.de>
256 * ipa-reference.c (mark_load): Use get_base_address.
257 (mark_store): Likewise.
259 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
260 inserting GIMPLE_NOPs into the IL.
261 * tree-ssa-structalias.c (get_constraint_for_component_ref):
262 Explicitly strip handled components and indirect references.
264 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
265 folding address expressions.
266 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
267 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
268 operand_equal_p to compare decls.
269 (ptr_deref_may_alias_decl_p): Likewise.
270 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
271 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
272 Handle reversed comparison ops.
273 * tree-sra.c (asm_visit_addr): Use get_base_address.
274 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use
276 * ipa-reference.c (mark_address): Use get_base_address.
278 2010-04-07 Richard Guenther <rguenther@suse.de>
280 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
281 Propagate constants everywhere.
283 2010-04-07 Jakub Jelinek <jakub@redhat.com>
286 * tree.c (MAX_INT_CACHED_PREC): Define.
287 (nonstandard_integer_type_cache): New array.
288 (build_nonstandard_integer_type): Cache results for precision
289 <= MAX_INT_CACHED_PREC.
291 2010-04-07 Richard Guenther <rguenther@suse.de>
293 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
294 -fargument-noalias-global, -fargument-noalias-anything): Remove.
295 * common.opt: Likewise.
296 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust
298 * alias.c (base_alias_check): Remove flag_argument_noalias
300 (nonoverlapping_memrefs_p): Likewise.
301 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
302 * opts.c (common_handle_option): Handle OPT_fargument_alias,
303 OPT_fargument_noalias, OPT_fargument_noalias_anything and
304 OPT_fargument_noalias_global for backward compatibility.
306 2010-04-07 Richard Guenther <rguenther@suse.de>
308 PR tree-optimization/43270
309 * tree-vrp.c (check_array_ref): Fix flexible array member
311 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
312 * tree-ssa-pre.c (phi_translate_1): Adjust.
313 (fully_constant_expression): Split out vn_reference handling to ...
314 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
315 Fold reads from constant strings.
316 (vn_reference_lookup): Handle fully constant references.
317 (vn_reference_lookup_pieces): Likewise.
318 * Makefile.in (expmed.o-warn): Add -Wno-error.
320 2010-04-07 Martin Jambor <mjambor@suse.cz>
322 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
324 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
327 * gcc.c: Add -static-libstdc++ to list of recognized options.
329 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
331 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to
334 2010-04-07 Richard Guenther <rguenther@suse.de>
337 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with
338 pointer bases build simple mem attributes to retain
339 points-to information.
341 2010-04-07 Richard Guenther <rguenther@suse.de>
344 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
345 preserve points-to related information.
347 2010-04-07 Richard Guenther <rguenther@suse.de>
350 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
351 discard plain indirect references.
352 * fold-const.c (operand_equal_p): Guard against NULL_TREE
354 * tree.c (tree_nop_conversion): Likewise.
356 2010-04-07 Dodji Seketeli <dodji@redhat.com>
359 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
361 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
363 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
364 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
366 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
368 * tree-if-conv.c: Fix indentation and comments.
370 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
372 * tree-if-conv.c: Sort static functions in topological order.
374 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
376 * tree-if-conv.c: Fix indentation and comments.
378 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
381 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
382 lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
383 When converting an unsigned type to signed, double its precision.
384 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
385 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
386 (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
388 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
391 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
392 POINTER_PLUS_EXPR for pointer types.
394 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
397 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
398 * graphite-clast-to-gimple.c: Include langhooks.h.
399 (max_signed_precision_type): New.
400 (max_precision_type): Takes two types as arguments.
401 (precision_for_value): New.
402 (precision_for_interval): New.
403 (gcc_type_for_interval): New.
404 (gcc_type_for_value): New.
405 (gcc_type_for_clast_term): New.
406 (gcc_type_for_clast_red): New.
407 (gcc_type_for_clast_bin): New.
408 (gcc_type_for_clast_expr): Split up into several functions.
409 (gcc_type_for_clast_eq): Rewritten.
410 (compute_bounds_for_level): New.
411 (compute_type_for_level_1): New.
412 (compute_type_for_level): New.
413 (gcc_type_for_cloog_iv): Removed.
414 (gcc_type_for_iv_of_clast_loop): Rewritten.
415 (graphite_create_new_loop): Compute the lower and upper bound types
416 with gcc_type_for_clast_expr.
417 (graphite_create_new_loop_guard): Same.
418 (find_cloog_iv_in_expr): Removed.
419 (compute_cloog_iv_types_1): Removed.
420 (compute_cloog_iv_types): Removed.
421 (gloog): Do not call compute_cloog_iv_types.
422 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
424 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
425 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
426 (GBB_CLOOG_IV_TYPES): Removed.
428 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
430 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
431 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
432 (detect_commutative_reduction): Same.
434 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
436 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
437 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
439 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
440 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
441 (rewrite_commutative_reductions_out_of_ssa): Same.
442 * passes.c (execute_function_todo): Call verify_ssa for every pass
443 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
444 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
445 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
446 with an extra argument.
447 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
448 verify_ssa only when the extra argument is true.
449 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
450 with an extra argument.
451 (tree_transform_and_unroll_loop): Same.
453 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
455 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
456 for all the passes of the LNO having LOOP_CLOSED_SSA.
457 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
458 * tree-loop-distribution.c (pass_loop_distribution): Same.
459 * tree-pass.h (TODO_verify_loops): Removed.
460 * tree-ssa-loop.c (pass_tree_loop_init): Same.
462 (pass_tree_unswitch): Same.
463 (pass_predcom): Same.
464 (pass_vectorize): Same.
465 (pass_linear_transform): Same.
466 (pass_graphite_transforms): Same.
467 (pass_iv_canon): Same.
468 (pass_complete_unroll): Same.
469 (pass_complete_unrolli): Same.
470 (pass_parallelize_loops): Same.
471 (pass_loop_prefetch): Same.
472 (pass_iv_optimize): Same.
474 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
477 * passes.c (init_optimization_passes): Move pass_lim before
478 pass_copy_prop and pass_dce_loop.
480 2010-04-06 Jakub Jelinek <jakub@redhat.com>
483 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
484 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
485 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
486 MULTI_* defines for 4 argument vpermil2p* builtins.
488 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
490 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
491 * config/i386/i386.c (x86_maybe_negate_const_int): New.
492 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
493 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
494 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
495 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
496 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
497 Use x86_maybe_negate_const_int to output insn mnemonic.
498 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
499 check from instruction predicate. Update comments.
500 * config/i386/sync.md (sync_add<mode>): Use
501 x86_maybe_negate_const_int to output insn mnemonic.
503 2010-04-06 Jan Hubicka <jh@suse.cz>
505 PR tree-optimization/42906
506 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
507 IGNORE_SELF argument. Set visited_control_parents for fully
509 (find_obviously_necessary_stmts): Update call of
510 mark_control_dependent_edges_necessary.
511 (propagate_necessity): Likewise. Handle PHI edges more curefully.
513 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
515 * config/i386/i386.md: Remove comment about 'e' and 'E'
518 2010-04-06 Richard Guenther <rguenther@suse.de>
520 PR tree-optimization/43627
521 * tree-vrp.c (extract_range_from_unary_expr): Widenings
522 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
525 2010-04-06 Jakub Jelinek <jakub@redhat.com>
527 * BASE-VER: Change to 4.6.0.
530 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
533 2010-04-06 Richard Guenther <rguenther@suse.de>
536 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
538 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
540 * doc/invoke.texi (Optimize Options): Document that LTO
541 won't remove object access purely due to incompatible
544 2010-04-04 Matthias Klose <doko@ubuntu.com>
546 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
549 2010-04-03 Richard Guenther <rguenther@suse.de>
552 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
553 require a non-NULL MEM_OFFSET.
555 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
557 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
558 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
559 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
560 config/alpha/predicates.md, config/arm/arm.md,
561 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
562 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
563 config/darwin9.h, config/darwin.c, config/darwin.h,
564 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
565 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
566 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
567 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
568 config/mips/mips.md, config/mn10300/mn10300.c,
569 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
570 config/rs6000/aix.h, config/rs6000/dfp.md,
571 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
572 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
573 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
574 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
575 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
576 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
577 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
578 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
579 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
580 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
581 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
582 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
583 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
584 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
585 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
586 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
587 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
588 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
589 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
590 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
591 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
592 opt-functions.awk, opth-gen.awk, params.def, passes.c,
593 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
594 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
595 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
596 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
597 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
598 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
599 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
600 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
601 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
602 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
603 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
604 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
605 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
606 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
608 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
611 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
612 * aclocal.m4: Regenerate.
614 2010-04-02 Richard Guenther <rguenther@suse.de>
616 PR tree-optimization/43629
617 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
618 if we have seen a constant value.
620 2010-04-02 Joseph Myers <joseph@codesourcery.com>
622 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
625 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
628 * arm.c (legitimize_tls_address): Adjust call to
629 gen_tls_load_dot_plus_four.
630 (arm_note_pic_base): New function.
631 (arm_cannot_copy_insn_p): Use it.
632 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
635 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
640 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
642 * Makefile.in ($(out_object_file)): Depend on
643 gt-$(basename $(notdir $(out_file))).h.
645 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
647 * config.gcc (lm32-*-rtems*): Add t-lm32.
649 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
651 * config.gcc: Add lm32-*-rtems*.
652 * config/lm32/rtems.h: New file.
654 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
657 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
659 2010-04-01 Jakub Jelinek <jakub@redhat.com>
661 * dwarf2out.c (output_compilation_unit_header): For
662 -gdwarf-4 use version 4 instead of version 3.
663 (output_line_info): For version 4 and above emit additional
664 maximum ops per insn header field.
665 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
667 * dwarf2out.c (is_c_family, is_java): Remove.
668 (lower_bound_default): New function.
669 (add_bound_info, gen_descr_array_type_die): Use it.
671 2010-04-01 Dodji Seketeli <dodji@redhat.com>
674 * dwarf2out.c (gen_variable_die): Allow debug info for variable
675 re-declaration when it happens in a function.
677 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
679 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
680 (cgraph_remove_function_insertion_hook): Same.
681 (cgraph_call_function_insertion_hooks): Same.
683 2010-04-01 Richard Guenther <rguenther@suse.de>
686 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
687 and TREE_THIS_VOLATILE.
688 (copy_ref_info): Likewise.
689 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
690 * tree.c (build6_stat): Ignore side-effects of all but arg5
691 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
694 2010-04-01 Richard Guenther <rguenther@suse.de>
696 PR tree-optimization/43607
697 * ipa-type-escape.c (check_call): Do not access non-existing
700 2010-04-01 Richard Guenther <rguenther@suse.de>
704 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
705 Jack Howarth <howarth@bromo.med.uc.edu>
707 * tree-profile.c (tree_init_ic_make_global_vars): Make static
710 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
712 * doc/install.texi (Prerequisites): Document libelf usability on
713 IRIX 5/6 and Solaris 2.
714 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
715 Update GNU as, GNU ld requirements.
716 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
717 Document Sun Studio compiler download.
718 Update and simplify as, ld recommendations.
719 (Specific, *-*-solaris2.7): Note obsoletion, removal.
721 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
723 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
724 with_tune_32 to pentium4.
726 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
728 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
730 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
732 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
735 Document GNU as requirement.
736 Update configure requirements.
737 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
739 Recomment IRIX 6.5.18+.
740 Document IDF/IDL requirement.
741 Document GNU as requirement.
742 Document GNU ld bootstrap failure.
743 Remove freeware.sgi.com reference.
745 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
747 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
748 UNIX V4.0, V5.0 obsoletion, removal.
749 Remove --with-gc=simple reference.
750 Update VM requirements during bootstrap.
751 Remove -oldas bootstrap description.
752 Update binutils reference.
753 Remove comparison failure note.
755 2010-03-31 Richard Guenther <rguenther@suse.de>
756 Zdenek Dvorak <ook@ucw.cz>
757 Sebastian Pop <sebastian.pop@amd.com>
760 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
761 with multiple arguments.
762 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
764 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
766 * graphite-dependences.c (print_pddr): Call print_pdr with an
768 * graphite-poly.c (debug_pdr): Add an extra argument for the
771 (print_pbb_domain): Same.
773 (print_scop_context): Same.
776 (debug_pbb_domain): Same.
780 (debug_scop_context): Same.
783 (print_scop_params): Same.
784 (debug_scop_params): Same.
785 (print_iteration_domain): Same.
786 (print_iteration_domains): Same.
787 (debug_iteration_domain): Same.
788 (debug_iteration_domains): Same.
789 (print_scattering_function): Same.
790 (print_scattering_functions): Same.
791 (debug_scattering_function): Same.
792 (debug_scattering_functions): Same.
793 * graphite-poly.h (debug_pdr): Update declaration.
795 (print_pbb_domain): Same.
797 (print_scop_context): Same.
800 (debug_pbb_domain): Same.
804 (debug_scop_context): Same.
807 (print_scop_params): Same.
808 (debug_scop_params): Same.
809 (print_iteration_domain): Same.
810 (print_iteration_domains): Same.
811 (debug_iteration_domain): Same.
812 (debug_iteration_domains): Same.
813 (print_scattering_function): Same.
814 (print_scattering_functions): Same.
815 (debug_scattering_function): Same.
816 (debug_scattering_functions): Same.
818 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
820 * graphite-poly.c (print_scattering_function_1): New.
821 (print_scattering_function): Call it.
822 (print_scop_params): Remove spaces at the end of lines.
825 * graphite-poly.h (print_cloog): Declared.
826 (debug_cloog): Declared.
828 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
830 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
832 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
833 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
834 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
835 to switch between adding the IV bump in loop->latch or in loop->header.
837 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
839 * graphite-poly.c (print_scattering_function): Pretty print following
842 (print_pbb_domain): Same.
843 (dump_gbb_cases): Same.
844 (dump_gbb_conditions): Same.
847 (print_scop_params): Same.
848 (print_scop_context): Same.
850 (print_pbb_body): New.
851 (lst_indent_to): New.
852 (print_lst): Start new lines with a #.
853 * graphite-poly.h (pbb_bb): New.
854 (pbb_index): Use pbb_bb.
855 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
857 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
859 2010-03-31 Jakub Jelinek <jakub@redhat.com>
861 * dwarf2out.c (size_of_die): For -gdwarf-4 use
862 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
863 and 0 instead of 1 for dw_val_class_flag.
864 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
865 dw_val_class_range_list, dw_val_class_loc_list,
866 dw_val_class_lineptr and dw_val_class_macptr, use
867 DW_FORM_flag_present for dw_val_class_flag and
868 DW_FORM_exprloc for dw_val_class_loc.
869 (output_die): For -gdwarf-4 print dw_val_class_loc
870 size as uleb128 instead of 1 or 2 bytes and don't print
871 anything for dw_val_class_flag.
873 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
874 instead of cselib_lookup following by tweaking locs->setting_insn.
877 * cselib.c (cselib_process_insn): Clear cselib_current_insn
878 even before returning from label, setjmp call or volatile asm
881 2010-03-31 Richard Guenther <rguenther@suse.de>
884 * cgraphunit.c (cgraph_output_in_order): Do not allocate
885 temporary data on stack.
887 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
889 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
890 (PUSHSECTION_ASM_OP): Remove.
891 (POPSECTION_ASM_OP): Remove.
892 (PUSHSECTION_FORMAT): Remove.
893 * config/sol2.h (PUSHSECTION_FORMAT): Define.
894 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
895 * config/sol2.c (solaris_output_init_fini): Use it.
897 2010-03-31 Jie Zhang <jie@codesourcery.com>
900 * opt-functions.awk (var_type_struct): Use signed char type
901 for simple variables.
903 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
905 * config/sol2.c: Include output.h.
906 (solaris_assemble_visibility): New function.
907 * config/t-sol2 (sol2.o): Add output.h dependency.
908 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
909 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
912 2010-03-31 Jakub Jelinek <jakub@redhat.com>
915 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
916 V2SImode or XFmode on PRE_DEC.
919 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
922 2010-03-31 Jie Zhang <jie@codesourcery.com>
925 * reload.h (caller_save_initialized_p): Declare.
926 * toplev.c (backend_init_target): Don't call
927 init_caller_save but set caller_save_initialized_p to false.
928 * caller-save.c (caller_save_initialized_p): Define.
929 (init_caller_save): Check caller_save_initialized_p.
930 * ira.c (ira): Call init_caller_save if flag_caller_saves.
932 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
935 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
936 and soft-fp/t-softfp to tmake_file.
937 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
938 (LIBGCC2_TF_CEXT): Define.
941 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
944 * cselib.c (n_useless_values): Document handling of debug locs.
945 (n_useless_debug_values, n_debug_values): New variables.
946 (new_elt_loc_list): Don't add to debug values, keep count.
947 (promote_debug_loc): New.
948 (cselib_reset_table): Zero new variables.
949 (entry_and_rtx_equal_p): Promote debug locs.
950 (discard_useless_locs): Increment n_useless_debug_values for
952 (remove_useless_values): Adjust n_useless_values and n_debug_values
953 with n_useless_debug_values.
954 (add_mem_for_addr): Promote debug locs.
955 (cselib_lookup_mem): Likewise.
956 (cselib_lookup_addr): Renamed to...
957 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
958 (cselib_log_lookup): ... this. Turn into...
959 (cselib_lookup_addr): ... new wrapper.
960 (cselib_lookup_from_insn): New.
961 (cselib_invalidate_regno): Increment n_useless_debug_values for
963 (cselib_invalidate_mem): Likewise.
964 (cselib_process_insn): Take n_deleted and n_debug_values into
965 account to guard remove_useless_value call.
966 (cselib_finish): Zero n_useless_debug_values.
967 * cselib.h (cselib_lookup_from_insn): Declare.
968 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
969 (sched_analyze_2): Likewise.
971 2010-03-30 Jakub Jelinek <jakub@redhat.com>
973 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
975 (adjust_mems): Replace narrowing SUBREG of expression containing
976 just PLUS, MINUS, MULT and ASHIFT of registers and constants
977 with operations in the narrower mode.
980 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
981 regs_invalidated_by_call instead all call_used_reg_set registers.
983 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
986 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
987 pointer comparisons with types_compatible_p.
988 * tree-vect-stmts.c (vectorizable_call): Same.
989 (vectorizable_condition): Same.
991 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
993 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
994 stack check if the mask would be zero.
996 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
997 Jack Howarth <howarth@bromo.med.uc.edu>
999 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1002 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1005 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1007 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1008 Include ___unordxf2 and ___unordtf2.
1009 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1012 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1014 * config/lm32/t-lm32: New file.
1015 * config.gcc: Use the above file when targetting lm32.
1017 2010-03-28 Duncan Sands <baldrick@free.fr>
1019 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1021 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1024 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1025 Improve vectorization cost model diagnostic.
1027 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1030 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1031 compute_data_dependences_for_loop returns false, early exit
1032 and output an extra diagnostic for the failed data reference
1035 2010-03-29 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/43560
1038 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1039 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1041 2010-03-29 Jie Zhang <jie@codesourcery.com>
1044 * toplev.c (process_options): Set optimization_default_node
1045 and optimization_current_node.
1046 * opts.c (decode_options): Don't set optimization_default_node
1047 and optimization_current_node.
1049 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1051 * config/rtems.h: Abandon -qrtems_debug.
1053 2010-03-28 Jan Hubicka <jh@suse.cz>
1055 PR tree-optimization/43505
1056 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1057 map should not be copied.
1059 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1062 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1063 cdtors, set DECL_PRESERVE_P.
1064 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1067 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1069 PR tree-optimization/43528
1070 * stor-layout.c (place_field): Check that constant fits into
1071 unsigned HWI when skipping calculation of MS bitfield layout.
1073 2010-03-27 Jan Hubicka <jh@suse.cz>
1076 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1077 notice_global_symbol work.
1079 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1081 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1082 instead of dwarf2out_decl.
1083 (struct var_loc_node): Remove section_label field.
1084 (dwarf2out_function_decl): New function.
1085 (dwarf2out_var_location): Don't set section_label field.
1086 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1088 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1090 PR tree-optimization/43544
1091 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1092 First argument for builtin vectorized function hook is now a
1093 tree to be able to distinguish between machine specific and
1095 * targhooks.c (default_builtin_vectorized_function): Ditto.
1096 * targhooks.h (default_builtin_vectorized_function): Ditto.
1097 * target.h (struct gcc_target): Ditto.
1098 * tree-vect-stmts.c (vectorizable_function): Ditto.
1099 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
1100 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1103 2010-03-26 Joseph Myers <joseph@codesourcery.com>
1106 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
1107 nested binding iff it is a FUNCTION_DECL.
1108 (store_parm_decls_newstyle): Pass nested=true to bind for
1109 FUNCTION_DECLs amongst parameters.
1111 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1113 * var-tracking.c (vt_expand_loc_callback): Don't run
1114 cselib_expand_value_rtx_cb in dummy mode if
1115 cselib_dummy_expand_value_rtx_cb returned false.
1117 * var-tracking.c (emit_note_insn_var_location): For one part
1118 notes with offset 0, don't add EXPR_LIST around the location.
1119 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
1120 add_location_or_const_value_attribute): Adjust for that change.
1123 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
1124 into first operand and location into second.
1125 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
1126 dw_cfi_oprnd_loc for DW_CFA_expression.
1127 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
1128 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
1129 assume first argument is regnum and second argument is location.
1131 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1134 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1135 of scratch register to DImode. Split to DImode comparison operator.
1136 Use SImode subreg of scratch register in the multiplication.
1137 (*cmp_sadd_sidi): Ditto.
1138 (*cmp_ssub_si): Ditto.
1139 (*cmp_ssub_sidi): Ditto.
1141 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1144 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
1145 Remove invalid assert and wrong comment.
1147 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1150 * flags.h (final_insns_dump_p): New extern.
1151 * final.c (final_insns_dump_p): New variable.
1152 (rest_of_clean_state): Set it before -fdump-final-insns=
1153 dumping, clear afterwards.
1154 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
1155 MEM_ALIAS_SET on MEMs.
1157 2010-03-26 David S. Miller <davem@davemloft.net>
1159 * configure.ac: Fix sparc GOTDATA_OP bug check.
1160 * configure: Rebuild.
1162 2010-03-26 Alan Modra <amodra@gmail.com>
1164 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
1166 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1168 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
1169 TLS_SECTION_ASM_FLAG.
1171 2010-03-25 Jakub Jelinek <jakub@redhat.com>
1174 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
1175 Clear first_function_block_is_cold.
1178 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
1179 argument if the argument is truth_value_p.
1181 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1183 * config/rs6000/constraints.md: Update copyright year for my changes.
1186 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
1187 used in reg+reg addressing, swap registers.
1189 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1192 * target.h (struct gcc_target): Add code_end hook.
1193 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
1195 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
1196 * toplev.c (compile_file): Call targetm.asm_out.code_end
1197 hook before unwind info/debug info output.
1198 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
1199 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
1200 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1201 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
1202 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1203 * config/i386/i386.c (ix86_file_end): Renamed to...
1204 (ix86_code_end): ... this. Make static. Don't call
1205 file_end_indicate_exec_stack. Emit unwind info using
1206 final_start_function/final_end_function.
1207 (darwin_x86_file_end): Remove.
1208 (TARGET_ASM_CODE_END): Define.
1209 * config/i386/i386.h (TARGET_ASM_FILE_END,
1210 NEED_INDICATE_EXEC_STACK): Don't define.
1211 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
1212 (TARGET_ASM_FILE_END): Define to darwin_file_end.
1213 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
1214 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
1217 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
1218 at the beginning and final_end_function at the end.
1219 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1221 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1223 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
1224 and Sun as TLS syntax.
1225 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
1226 * configure: Regenerate.
1227 * config.in: Regenerate.
1228 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
1229 (default_elf_asm_named_section): Use it.
1230 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
1231 (i386_output_dwarf_dtprel): Likewise.
1232 (output_addr_const_extra): Likewise.
1233 (output_pic_addr_const): Lowercase @GOTTPOFF.
1234 (output_addr_const_extra): Likewise.
1235 (output_pic_addr_const): Lowercase @GOTNTPOFF.
1236 (output_addr_const_extra): Likewise.
1237 (output_pic_addr_const): Lowercase @INDNTPOFF.
1238 (output_addr_const_extra): Likewise.
1239 (output_pic_addr_const): Lowercase @NTPOFF.
1240 (output_addr_const_extra): Likewise.
1241 (output_pic_addr_const): Lowercase @TPOFF.
1242 (output_addr_const_extra): Likewise.
1243 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
1244 (*tls_global_dynamic_64): Likewise.
1245 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
1246 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
1248 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
1249 (ASM_OUTPUT_TLS_COMMON): Use it.
1250 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
1253 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
1254 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
1255 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
1256 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1257 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1258 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
1260 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1262 * config/i386/i386.c (override_options): Don't accept
1263 -mtls-dialect=sun any longer.
1264 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
1265 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
1266 (*tls_local_dynamic_base_32_sun): Likewise.
1267 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1269 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1272 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1273 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
1276 * ira.c (adjust_cleared_regs): New function.
1277 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
1281 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
1283 * expr.c (expand_expr_real): Restore previous
1284 curr_insn_source_location and curr_insn_block after
1285 expand_expr_real_1 call.
1286 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
1287 instead of expand_expr_real_1.
1289 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
1291 PR rtl-optimization/43413
1292 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
1295 2010-03-22 James E. Wilson <wilson@codesourcery.com>
1298 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
1299 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
1301 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
1303 * config/i386/i386.c (ix86_target_string): Add -mfma.
1304 Fix a typo in comment.
1306 2010-03-22 Mike Stump <mikestump@comcast.net>
1309 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1310 Don't overly align based upon packed packed fields.
1312 2010-03-22 Jason Merrill <jason@redhat.com>
1314 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
1315 Use () rather than [], and move before the element type.
1317 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1319 * doc/configfiles.texi (Configuration Files): Removed
1320 fixinc/Makefile*, intl/Makefile.*.
1321 * doc/makefile.texi: Fixed markup. Abstract from version
1322 control system used.
1323 (Makefile): Removed obsolete gcc/java/parse.y example.
1324 * doc/sourcebuild.texi: Likewise.
1325 (Top Level): Added config, gnattools, libdecnumber, libgcc,
1326 libgomp, libssp. Removed fastjar.
1327 (Miscellaneous Docs): Clarify location.
1328 Added COPYING3, COPYING3.LIB.
1329 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
1331 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1334 * config/i386/i386.c (x86_function_profiler)
1335 [!NO_PROFILE_COUNTERS]: Fix typo.
1336 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
1339 2010-03-22 Janis Johnson <janis187@us.ibm.com>
1340 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1342 * doc/sourcebuild.texi (Test Directives): Split into six
1343 subsections, with most of the current text in new subsections
1344 Directives, Selectors, and Final Actions.
1345 (Directives): Split list of test directives into multiple
1347 (Selectors): Describe use and syntax of selectors.
1348 (Effective-Target Keywords): Describe all existing keywords.
1349 (Add Options): Describe features for dg-add-options.
1350 (Require Support): Describe variants of dg-require-support.
1351 (Final Actions): Describe commands to use in dg-final.
1353 2010-03-22 Michael Matz <matz@suse.de>
1356 * recog.c (validate_replace_rtx_group): Replace also in
1357 REG_EQUAL and REG_EQUIV notes.
1359 2010-03-22 Richard Guenther <rguenther@suse.de>
1361 PR tree-optimization/43390
1362 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
1363 sure vector extracts are type correct.
1365 2010-03-22 Richard Guenther <rguenther@suse.de>
1368 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
1369 x * sqrt (x) even when optimizing for size if the target
1370 has native support for sqrt.
1372 2010-03-22 Jakub Jelinek <jakub@redhat.com>
1374 * varasm.c (make_decl_rtl_for_debug): Also clear
1375 flag_mudflap for the duration of make_decl_rtl call.
1378 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
1379 locs from preserved VALUEs.
1381 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1384 * pa.md (movmemsi): Set align to one if zero.
1385 (movmemdi): Likewise.
1387 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
1390 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
1391 with their corresponding prologue pushes.
1393 2010-03-20 Andrew Pinski <pinskia@gmail.com>
1396 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
1397 at the begining or end.
1398 (spu_expand_epilogue): Likewise.
1400 2010-03-20 Richard Guenther <rguenther@suse.de>
1402 PR rtl-optimization/43438
1403 * combine.c (make_extraction): Properly zero-/sign-extend an
1404 extraction of the low part of a CONST_INT. Also handle
1407 2010-03-19 Mike Stump <mikestump@comcast.net>
1409 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
1410 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
1411 (override_options): Use SUBTARGET32_DEFAULT_CPU.
1413 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1416 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
1419 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
1421 PR rtl-optimization/42258
1422 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
1423 use that may match DEF.
1426 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
1427 the cost of loading the constant rather than assuming
1429 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
1430 outer code is AND, do the same tests as the andsi3 expander and
1431 return COSTS_N_INSNS (1) if and is cheap.
1433 * optabs.c (avoid_expensive_constant): Fix formatting.
1435 2010-03-19 Michael Matz <matz@suse.de>
1438 * attribs.c (decl_attributes): When rebuilding a function pointer
1439 type use the same qualifiers as the original pointer type.
1441 2010-03-19 Martin Jambor <mjambor@suse.cz>
1443 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
1444 and is_gimple_ip_invariant_address.
1446 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1449 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1451 * config/arm/arm.c (arm_override_options): Turn off
1452 flag_dwarf2_cfi_asm for AAPCS variants.
1454 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1457 * config/arm/arm.c (emit_multi_reg_push): Update comments.
1458 Use PRE_MODIFY instead of PRE_DEC.
1459 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
1460 (vfp_emit_fstmd): Likewise.
1462 2010-03-19 Michael Matz <matz@suse.de>
1465 * builtins.c (expand_builtin_interclass_mathfn,
1466 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
1469 2010-03-19 Richard Guenther <rguenther@suse.de>
1471 PR tree-optimization/43415
1472 * tree-ssa-pre.c (phi_translate): Split out worker to ...
1473 (phi_translate_1): ... this.
1474 (phi_translate): Move all caching here. Cache all NARY
1475 and REFERENCE translations.
1477 2010-03-19 David S. Miller <davem@davemloft.net>
1479 With help from Eric Botcazou.
1480 * config/sparc/sparc.c: Include dwarf2out.h.
1481 (emit_pic_helper): Delete.
1482 (pic_helper_symbol_name): Delete.
1483 (pic_helper_emitted_p): Delete.
1484 (pic_helper_needed): New.
1485 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
1486 (get_pc_thunk_name): New.
1487 (load_pic_register): Remove 'delay_pic_helper' arg. Use
1488 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
1489 Set pic_helper_needed to true. Don't call emit_pic_helper.
1490 (sparc_expand_prologue): Update load_pic_register call.
1491 (sparc_output_mi_thunk): Likewise.
1492 (sparc_file_end): Emit a hidden comdat symbol for the PIC
1493 thunk if possible. Output CFI information as needed.
1495 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1496 Jack Howarth <howarth@bromo.med.uc.edu>
1499 * config/i386/i386.h: Fix ABI on darwin x86-32.
1501 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
1503 * tree.h: Declare make_decl_rtl_for_debug.
1504 * varasm.c (make_decl_rtl_for_debug): New.
1505 * dwarf2out.c (rtl_for_decl_location): Call it.
1506 * cfgexpand.c (expand_debug_expr): Call it.
1508 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1511 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
1515 * var-tracking.c (vt_init_cfa_base): Do nothing if
1516 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
1518 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
1521 * var-tracking.c (canonicalize_vars_star): New.
1522 (dataflow_post_merge_adjust): Use it.
1524 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1527 * var-tracking.c (non_suitable_const): New function.
1528 (add_uses): For DEBUG_INSNs with constants, don't record any
1529 value, instead just the constant value itself.
1530 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
1531 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1532 (emit_notes_in_bb): Likewise.
1533 (emit_note_insn_var_location): For onepart variables if
1534 cur_loc is a VOIDmode constant, use DECL_MODE.
1536 2010-03-18 Martin Jambor <mjambor@suse.cz>
1539 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1540 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1541 all non-clones. Moved call redirection...
1542 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1543 (cgraph_materialize_all_clones): Dispose of all
1544 combined_args_to_skip bitmaps.
1545 (verify_cgraph_node): Do not check for edges pointing to wrong
1546 nodes in inline clones.
1547 * tree-inline.c (copy_bb): Call
1548 cgraph_redirect_edge_call_stmt_to_callee.
1549 * ipa.c (cgraph_remove_unreachable_nodes): Call
1550 cgraph_node_remove_callees even when there are used clones.
1552 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1554 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1556 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1559 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1562 2010-03-18 Michael Matz <matz@suse.de>
1565 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1566 into sqrt(x) if we need to preserve signed zeros.
1568 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1569 Eric Botcazou <ebotcazou@adacore.com>
1571 PR rtl-optimization/43360
1572 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1573 note if we don't know its invariant status.
1575 2010-03-18 Michael Matz <matz@suse.de>
1577 PR tree-optimization/43402
1578 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1579 PHI chains of ssa names registered for update.
1581 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1584 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1585 non-offsettable and pre_modify update addressing.
1586 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1587 and "2" alternatives "#".
1588 (*movdd_softfloat32): Make all alternatives "#";
1589 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1590 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1591 (*movdf_softfloat32): Make all alternatives "#";
1592 (movdi): Use the new DIFD mode iterator to create a common splitter
1593 for movdi, movdf and movdd patterns.
1595 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1597 * common.opt (dumpdir): Remove redundant tab.
1599 2010-03-17 Martin Jambor <mjambor@suse.cz>
1601 PR tree-optimization/43347
1602 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1603 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1605 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1607 PR rtl-optimization/42216
1608 * regrename.c (create_new_chain): New function, broken out from...
1609 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1610 appending a use to an empty chain.
1611 (build_def_use): Remove previous changes that convert OP_INOUT to
1612 OP_OUT operands; instead detect the case where an OP_INOUT operand
1613 uses a previously untracked register and create an empty chain for it.
1615 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1617 * doc/extend.texi (Function Attributes): Rewrite unfinished
1618 sentence in ms_abi documentation.
1620 2010-03-17 Alan Modra <amodra@gmail.com>
1622 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1623 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1624 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1625 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1627 2010-03-16 Richard Henderson <rth@redhat.com>
1630 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1631 (lower_try_finally): Save and restore eh_seq around the expansion
1634 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1636 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1637 statements before splitting block.
1639 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1641 * doc/sourcebuild.texi (Testsuites): Fix markup.
1642 Use pathnames relative to gcc/testsuite.
1643 (Test Directives): Move description of how timeout is determined.
1644 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1645 (C Tests): Correct gcc.misc-tests directory.
1646 Framework tests now live in gcc.test-framework.
1648 2010-03-16 Richard Guenther <rguenther@suse.de>
1651 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1652 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1654 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1655 Alexandre Oliva <aoliva@redhat.com>
1657 PR tree-optimization/42917
1658 * lambda-code.c (remove_iv): Skip debug statements.
1659 (lambda_loopnest_to_gcc_loopnest): Likewise.
1660 (not_interesting_stmt): Debug statements are not interesting.
1662 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1666 * cselib.c (cselib_preserve_constants,
1667 cfa_base_preserved_val): New static variables.
1668 (preserve_only_constants): New function.
1669 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1670 clear its REG_VALUES. If cselib_preserve_constants, don't
1671 empty the whole hash table, but preserve there VALUEs with constants,
1672 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1673 (cselib_preserve_cfa_base_value): New function.
1674 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1675 (cselib_init): Change argument to int bitfield. Set
1676 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1678 (cselib_finish): Clear cselib_preserve_constants and
1679 cfa_base_preserved_val.
1680 * cselib.h (enum cselib_record_what): New enum.
1681 (cselib_init): Change argument to int.
1682 (cselib_preserve_cfa_base_value): New prototype.
1683 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1684 * dse.c (dse_step1): Likewise.
1685 * cfgcleanup.c (thread_jump): Likewise.
1686 * sched-deps.c (sched_analyze): Likewise.
1687 * gcse.c (local_cprop_pass): Likewise.
1688 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1689 If FN is non-NULL, call the callback always and whenever it returns
1690 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1691 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1692 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1693 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1694 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1695 * var-tracking.c: Include recog.h.
1696 (bb_stack_adjust_offset): Remove.
1697 (vt_stack_adjustments): Don't call it, instead just gather the
1698 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1699 (adjust_stack_reference): Remove.
1700 (compute_cfa_pointer): New function.
1701 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1702 (struct adjust_mem_data): New type.
1703 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1705 (get_address_mode): New function.
1706 (replace_expr_with_values): Use it.
1707 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1708 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1709 (adjust_sets): Remove.
1710 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1711 Use get_address_mode.
1712 (get_adjusted_src): Remove.
1713 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1714 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1715 (add_with_sets): Don't call adjust_sets.
1716 (fp_setter, vt_init_cfa_base): New functions.
1717 (vt_initialize): Change return type to bool. Move most of pool etc.
1718 initialization to the beginning of the function from end. Pass
1719 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1720 If !frame_pointer_needed, call vt_stack_adjustment before mos
1721 vector is filled, call vt_init_cfa_base if argp/framep has been
1722 eliminated to sp. If frame_pointer_needed and argp/framep has
1723 been eliminated to hard frame pointer, set
1724 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1725 encountering fp setter in the prologue. For MO_ADJUST, call
1726 log_op_type before pusing the op into mos vector, not afterwards.
1727 Call adjust_insn before cselib_process_insn/add_with_sets,
1728 call cancel_changes (0) afterwards.
1729 (variable_tracking_main_1): Adjust for vt_initialize calling
1730 vt_stack_adjustments and returning whether it succeeded or not.
1732 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1734 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1737 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1739 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1741 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1742 drap_reg has not been set.
1744 2010-03-15 Michael Matz <matz@suse.de>
1747 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1748 use it to expand block copies.
1749 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1750 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1751 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1753 2010-03-15 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/43367
1756 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1759 2010-03-15 Richard Guenther <rguenther@suse.de>
1761 PR tree-optimization/43317
1762 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1764 2010-03-15 Martin Jambor <mjambor@suse.cz>
1766 PR tree-optimization/43141
1767 * tree-sra.c (create_abstract_origin): New function.
1768 (modify_function): Call create_abstract_origin.
1770 2010-03-15 Chris Demetriou <cgd@google.com>
1772 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1775 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1778 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1779 call insert_out_of_ssa_copy for default definitions.
1781 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1783 * graphite-clast-to-gimple.c (my_long_long): Defined.
1784 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1785 * graphite-sese-to-poly.c (my_long_long): Defined.
1786 (scop_ivs_can_be_represented): Use it.
1788 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1790 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1791 graphite-max-bbs-per-function, and loop-block-tile-size.
1792 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1794 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1796 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1798 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1799 forward declaration.
1800 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1801 (add_upper_bounds_from_estimated_nit): New.
1802 (build_loop_iteration_domains): Use it.
1804 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1806 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1808 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1811 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1812 should be an INTEGER_CST. Also handle CASE_CONVERT.
1814 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1816 * graphite.c (graphite_initialize): To bound the number of bbs per
1817 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1818 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1819 * doc/invoke.texi: Document it.
1821 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1823 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1824 * graphite-sese-to-poly.h (build_poly_scop): Same.
1826 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1828 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1829 the number of parameters in the scop. Use as an upper bound
1830 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1831 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1832 * doc/invoke.texi: Document it.
1834 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1836 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1837 * doc/c-tree.texi: Remove.
1838 * doc/generic.texi: Merge c-tree.texi here.
1839 * doc/gccint.texi (Trees): Remove menu entry.
1840 (c-tree.texi): Remove @include.
1841 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1842 * doc/languages.texi (Reading RTL): Ditto.
1844 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1847 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1849 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1852 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1853 code added to work around reload clobbering CONST insns.
1855 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1857 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1858 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1859 (cselib_preserve_only_values): Remove retain argument, don't
1860 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1861 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1862 * var-tracking.c (micro_operation): Move insn field before union.
1863 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1864 (struct variable_tracking_info_def): Remove n_mos field, change
1865 mos into a vector of micro_operations.
1866 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1867 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1868 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1869 changing into a vector.
1870 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1871 come before all other uops generated by add_stores.
1872 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1874 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
1875 a vector. Run just one pass over the bbs instead of separate counting
1876 and computation phase.
1877 (vt_finalize): Free VTI (bb)->mos vector instead of array.
1880 * tree-inline.c (remap_decls): Put old_var rather than origin_var
1881 into *nonlocalized_list vector.
1882 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
1883 even if origin is non-NULL.
1884 (gen_variable_die): Likewise.
1885 (process_scope_var): Don't change origin.
1886 (gen_decl_die): Likewise.
1887 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
1888 before adding new edges instead of after it, fix moving over
1891 2010-03-11 David S. Miller <davem@davemloft.net>
1893 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
1895 * configure: Rebuild.
1897 2010-03-11 Martin Jambor <mjambor@suse.cz>
1899 PR tree-optimization/43257
1900 * tree.c (assign_assembler_name_if_neeeded): New function.
1901 (free_lang_data_in_cgraph): Assembler name assignment moved to the
1903 * tree.h (assign_assembler_name_if_neeeded): Declare.
1904 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
1905 the function if needed.
1907 2010-03-11 Chris Demetriou <cgd@google.com>
1909 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
1910 include/stdint-gcc.h, and include/stdint.h world-readable.
1912 2010-03-11 Richard Guenther <rguenther@suse.de>
1914 PR tree-optimization/43255
1915 * tree-vrp.c (process_assert_insertions_for): Do not insert
1916 asserts for trivial conditions.
1918 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1920 PR tree-optimization/43280
1921 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
1922 generation. Move calculation of size out of the if branch.
1923 (find_bswap): Modify compare number generation.
1925 2010-03-11 Richard Guenther <rguenther@suse.de>
1928 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
1929 (input_gimple_stmt): Fixup handled component types during
1930 operand read. Also fix up decls in ADDR_EXPRs.
1932 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
1934 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
1935 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
1937 2010-03-10 Jan Hubicka <jh@suse.cz>
1940 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
1941 * varasm.c (get_variable_section): Don't do that here...
1942 (make_decl_rtl): ... and here.
1943 (do_assemble_alias): Produce decl RTL.
1944 (assemble_alias): Likewise.
1946 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1949 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
1950 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
1952 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
1953 (based_loc_descr): Only express drap or vdrap regno based expressions
1954 using DW_OP_fbreg when not optimizing.
1955 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
1956 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
1957 REG_CFA_SET_VDRAP note.
1959 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
1961 PR tree-optimization/43236
1962 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
1963 error in calculation of base address in reverse iteration case.
1964 (generate_builtin): Take number of latch executions if the statement
1967 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
1970 * tree-eh.c: Include pointer-set.h.
1971 (lower_eh_dispatch): Filter out duplicate case labels and
1972 remove the unneeded edge when the label is unused. Return
1973 true when some edges are removed.
1974 (execute_lower_eh_dispatch): When any lowering resulted in
1975 removing an edge, also delete unreachable blocks.
1977 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1980 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1981 UNSPEC_MACHOPIC_OFFSET.
1983 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
1986 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
1987 (m68k_delegitimize_address): New function.
1989 2010-03-09 Jakub Jelinek <jakub@redhat.com>
1992 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
1995 * var-tracking.c (adjust_sets): New function.
1996 (count_with_sets, add_with_sets): Use it.
1997 (get_adjusted_src): New inline function.
1998 (add_stores): Use it.
2001 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2002 call cselib_dummy_expand_value_rtx_cb instead of
2003 cselib_expand_value_rtx_cb.
2006 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2007 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2008 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2009 and .cfi_endproc around the pic thunks.
2010 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2011 all queued unwind info register saves are saved before the call.
2012 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2013 considered as sp-=4 for unwind info and the pop as sp+=4 which
2014 also clobbers dest, but doesn't actually restore it.
2017 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2018 RTX_FRAME_RELATED_P.
2020 2010-03-09 Jie Zhang <jie@codesourcery.com>
2022 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2023 whitespaces in output template.
2025 2010-03-09 Jie Zhang <jie@codesourcery.com>
2027 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2030 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2032 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2033 builtins.exp in a separate job.
2035 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2037 * graphite-sese-to-poly.c (add_param_constraints): Use
2038 lower_bound_in_type and upper_bound_in_type.
2040 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2042 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2043 instead of unsigned_type_node.
2045 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2046 Reza Yazdani <reza.yazdani@amd.com>
2049 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2050 on pointer type parameters.
2052 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2056 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2057 handle conversions from pointer to integers.
2058 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2059 induction variable, to be able to work with code generated by CLooG.
2060 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2061 (build_poly_scop): Bail out if we cannot codegen a loop.
2063 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2065 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2066 code generation with gloog_error.
2068 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2070 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2071 Call fold_convert on all the returned values.
2072 (expand_scalar_variables_expr): Pass to
2073 expand_scalar_variables_ssa_name the type of the resulting expression.
2075 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2077 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2078 ppl_min_for_le_pointset.
2079 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2080 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2082 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2084 * graphite-dependences.c (map_into_dep_poly): Removed.
2085 (dependence_polyhedron_1): Use combine_context_id_scat.
2087 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2089 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2090 (struct poly_bb): Same.
2091 (combine_context_id_scat): New.
2093 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2096 * sese.c (name_defined_in_loop_p): Return false for default
2099 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2101 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2102 and clean up the logic.
2104 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2106 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2109 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2111 * var-tracking.c (remove_cselib_value_chains): Define only for
2113 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
2114 delete_slot_part, emit_notes_for_differences_1): Don't call
2115 remove_cselib_value_chains here.
2116 (set_slot_part, emit_notes_for_differences_2): Don't call
2117 add_cselib_value_chains here.
2118 (preserved_values): New vector.
2119 (preserve_value): New function.
2120 (add_uses, add_stores, vt_add_function_parameters): Use it
2121 instead of cselib_preserve_value.
2122 (changed_values_stack): New vector.
2123 (check_changed_vars_0): New function.
2124 (check_changed_vars_1, check_changed_vars_2): Use it.
2125 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
2126 changed_values_stack VALUEs.
2127 (vt_emit_notes): For all preserved_values call
2128 add_cselib_value_chains. If ENABLE_CHECKING call
2129 remove_cselib_value_chains before verifying value_chains is empty.
2130 Initialize and free changed_values_stack.
2131 (vt_initialize): Initialize preserved_values.
2132 (vt_finalize): Free preserved_values.
2134 2010-03-08 Richard Guenther <rguenther@suse.de>
2136 PR tree-optimization/43269
2137 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
2140 2010-03-08 Martin Jambor <mjambor@suse.cz>
2142 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
2143 (ipa_is_param_called): Removed.
2144 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
2145 (ipa_print_node_params): Do not print the called flag.
2146 (ipa_write_node_info): Do not stream the called flag.
2147 (ipa_read_node_info): Likewise.
2149 2010-03-07 Jakub Jelinek <jakub@redhat.com>
2152 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
2153 * cselib.c (struct expand_value_data): Add dummy field.
2154 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
2156 (cselib_dummy_expand_value_rtx_cb): New function.
2157 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
2159 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
2160 * var-tracking.c: Include pointer-set.h.
2161 (variable): Change n_var_parts to char from int. Add
2162 cur_loc_changed and in_changed_variables fields.
2163 (variable_canonicalize): Remove.
2164 (shared_var_p): New inline function.
2165 (unshare_variable): Maintain cur_loc_changed and
2166 in_changed_variables fields. If var was in changed_variables,
2167 replace it there with new_var. Just copy cur_loc instead of
2168 resetting it to something else.
2169 (variable_union): Don't recompute cur_loc. Use shared_var_p.
2170 (dataflow_set_union): Don't call variable_canonicalize.
2171 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
2172 of their DEBUG_EXPR_TREE_DECLs.
2173 (canonicalize_loc_order_check): Verify that cur_loc is NULL
2174 and in_changed_variables and cur_loc_changed is false.
2175 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
2176 and cur_loc_changed. Don't update cur_loc here.
2177 (variable_merge_over_src): Don't call variable_canonicalize.
2178 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
2179 removing loc that is equal to cur_loc, clear cur_loc,
2180 set cur_loc_changed and ensure variable_was_changed is called.
2181 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
2182 compare pointers in cur_loc check, if it is equal to loc,
2183 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
2184 (variable_different_p): Remove compare_current_location argument,
2185 don't compare cur_loc.
2186 (dataflow_set_different_1): Adjust variable_different_p caller.
2187 (variable_was_changed): If dv had some var in changed_variables
2188 already, reset in_changed_variables flag for it and propagate
2189 cur_loc_changed over to the new variable. On empty var
2190 always set cur_loc_changed. Set in_changed_variables on whatever
2191 var is added to changed_variables.
2192 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
2193 Use shared_var_p. When removing loc that is equal to cur_loc,
2194 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
2195 end, don't set it to something else, just call variable_was_changed.
2196 (delete_slot_part): Use shared_var_p. When cur_loc equals to
2197 loc being removed, clear cur_loc and set cur_loc_changed.
2198 Set cur_loc_changed if all locations have been removed.
2199 (struct expand_loc_callback_data): New type.
2200 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
2201 allocated. Always create SUBREGs if simplify_subreg failed.
2202 Prefer to use cur_loc, when that fails and still in
2203 changed_variables (and seen first time) recompute it. Set
2204 cur_loc_changed of variables which had to change cur_loc and
2205 compute elcd->cur_loc_changed if any of the subexpressions used
2206 had to change cur_loc.
2207 (vt_expand_loc): Adjust to pass arguments in
2208 expand_loc_callback_data structure.
2209 (vt_expand_loc_dummy): New function.
2210 (emitted_notes): New variable.
2211 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
2212 that weren't used for any other decl in current
2213 emit_notes_for_changes call call vt_expand_loc_dummy to update
2214 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
2215 first loc_chain location if NULL before. Always use just
2216 cur_loc instead of first loc_chain location. When cur_loc_changed
2217 is false, when not --enable-checking=rtl just don't emit any note.
2218 When rtl checking, compute the note and assert it is the same
2219 as previous note. Clear cur_loc_changed and in_changed_variables
2220 at the end before removing from changed_variables.
2221 (check_changed_vars_3): New function.
2222 (emit_notes_for_changes): Traverse changed_vars to call
2223 check_changed_vars_3 on each changed var.
2224 (emit_notes_for_differences_1): Clear cur_loc_changed and
2225 in_changed_variables. Recompute cur_loc of new_var.
2226 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
2227 (vt_emit_notes): Initialize and destroy emitted_notes.
2229 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
2231 PR rtl-optimization/42220
2232 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
2233 Use verify_reg_tracked to determine if we should use OP_OUT rather
2235 (build_def_use): If we see an in-out operand for a register that we
2236 know nothing about, treat is an output if possible, fail the block if
2239 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2242 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
2245 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2248 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
2249 uses of relevant DEFs that are dead outside the loop too.
2251 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2253 * var-tracking.c (dataflow_set_merge): Swap src and src2.
2255 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2257 * var-tracking.c (values_to_unmark): New variable.
2258 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2259 values_to_unmark vector. Moved body to...
2260 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2261 instead queue it into values_to_unmark vector.
2262 (vt_find_locations): Free values_to_unmark vector.
2264 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
2266 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
2267 (site.exp): Export them when plugins are enabled.
2269 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
2272 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
2274 (chrec_fold_multiply): Same.
2276 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2279 * c-decl.c (build_compound_literal): Return early if init is
2282 2010-03-04 Martin Jambor <mjambor@suse.cz>
2284 PR tree-optimization/43164
2285 PR tree-optimization/43191
2286 * tree-sra.c (type_consists_of_records_p): Reject records with
2287 zero-size bit-fields at the end.
2289 2010-03-04 Mike Stump <mikestump@comcast.net>
2291 * Makefile.in (TAGS): Remove *.y.
2293 2010-03-04 Richard Guenther <rguenther@suse.de>
2295 PR tree-optimization/40761
2296 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
2298 (my_rev_post_order_compute): New function.
2299 (init_pre): Call it.
2301 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
2304 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
2305 decrease the cost of an IV candidate when the cost is infinite.
2307 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2309 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
2310 Use '3DNow!' for the extension of that name, ensure normal space
2312 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2314 2010-03-03 Jeff Law <law@redhat.com>
2316 * PR middle-end/32693
2317 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
2318 than gen_rtx_SUBREG.
2319 (extract_bit_field_1): Likewise.
2321 2010-03-03 Janis Johnson <janis187@us.ibm.com>
2323 * doc/sourcebuild.texi (Test directives): Document that arguments
2324 include-opts and exclude-opts are now optional for dg-skip-if,
2325 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
2327 2010-03-03 Jason Merrill <jason@redhat.com>
2330 * cgraph.h (varpool_node): Add extra_name field.
2331 * varpool.c (varpool_extra_name_alias): New.
2332 (varpool_assemble_decl): Emit extra name aliases.
2333 (varpool_mark_needed_node): Look past an extra name alias.
2334 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
2335 * lto-streamer-in.c (lto_input_tree): Read it.
2336 * lto-streamer-out.c (output_unreferenced_globals): Write it.
2338 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
2340 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
2341 (sparc*-*-solaris2*): ...this.
2343 2010-03-03 Jakub Jelinek <jakub@redhat.com>
2346 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
2347 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
2348 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
2349 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
2352 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
2353 fallthrough to default handling, just with want_address 0 instead of 2.
2354 For single element lists, add_AT_loc directly, otherwise create an
2355 artificial variable DIE and stick location list to it.
2358 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
2359 (VAL_EXPR_HAS_REVERSE): Define.
2360 (reverse_op): New function.
2361 (add_stores): For reversible operations add an extra MO_VAL_USE.
2363 2010-03-02 Jason Merrill <jason@redhat.com>
2365 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
2367 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
2369 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
2370 (sparc64-*-linux*): Likewise.
2371 (sparc64-*-solaris2*): Include assembler files before linker ones.
2372 (sparc-*-solaris2*): Simplify and reorder to match previous case.
2373 * config/sparc/gas.h: Delete.
2374 * config/sparc/sol2-64.h: Add copyright notice.
2375 * config/sparc/sol2-gas-bi.h: Likewise.
2376 * config/sparc/sol2-gld.h: Likewise.
2377 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
2378 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
2379 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
2380 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
2381 (sparc_elf_asm_named_section): Rename into...
2382 (sparc_solaris_elf_asm_named_section): ...this. Always define.
2384 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
2386 * config/alpha/alpha.c (override_options): Fix -mtune error message.
2388 2010-03-02 Jeff Law <law@redhat.com>
2391 * reload1.c (rtx_p, substitute_stack): Declare.
2392 (substitute): Record addresses of changed rtxs.
2393 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
2394 Restore the original rtx when complete.
2395 (reload): Free subsitute_stack when complete.
2397 2010-03-02 Janis Johnson <janis187@us.ibm.com>
2399 * doc/gccint.texi (menu): Add Testsuites as a chapter.
2400 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
2402 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
2403 LTO Testing, gcov Testing, profopt Testing, compat Testing,
2404 Torture Tests): Change from subsection to section.
2406 2010-03-02 Jakub Jelinek <jakub@redhat.com>
2407 Steven Bosscher <steven@gcc.gnu.org>
2409 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
2412 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
2415 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
2416 the assignment from the new induction variable to the assignment
2417 of the value from the original loop PHI function.
2419 2010-03-01 Janis Johnson <janis187@us.ibm.com>
2420 Daniel Jacobowitz <dan@codesourcery.com>
2422 * doc/sourcebuild.texi (Test directives): Clarify options to
2425 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2427 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
2428 Disable cfi directives unless GCC and gas agree on using read-only
2429 .eh_frame sections for 64-bit.
2430 * configure: Regenerate.
2432 2010-03-01 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/43220
2435 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
2436 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
2438 2010-03-01 Richard Guenther <rguenther@suse.de>
2439 Martin Jambor <mjambor@suse.cz>
2442 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
2443 gimplified parameters.
2445 2010-03-01 Christian Bruel <christian.bruel@st.com>
2447 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
2449 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
2451 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
2453 2010-03-01 Richard Guenther <rguenther@suse.de>
2456 * expr.c (expand_assignment): Use the alias-oracle to tell
2457 if the rhs aliases the result decl.
2459 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2462 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
2463 to sol_gt_pch_get_address.
2464 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
2465 64-bit, SPARC and x86.
2466 (sol_gt_pch_get_address): New function.
2468 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
2470 * toplev.h (inform_n, error_n): Declare.
2471 * diagnostic.c (inform_n, error_n): New function.
2473 2010-03-01 Jakub Jelinek <jakub@redhat.com>
2475 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
2476 has no rtl yet when processing local_decls, queue it and recheck
2477 if deferred stack allocation hasn't assigned it rtl.
2479 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
2481 * config/sh/sh.c (unspec_bbr_uid): New.
2482 (gen_block_redirect): Use it instead of INSN_UID.
2483 (gen_far_branch): Likewise.
2485 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
2487 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
2488 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
2490 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2492 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
2493 (Warning Options): -Wno-conversion-null is valid for
2494 Objective-C++ as well.
2495 * doc/tm.texi (Named Address Spaces): Likewise.
2496 * doc/plugins.texi (Plugins): Replace TABs with spaces.
2497 * doc/tree-ssa.texi (Tree SSA): Likewise.
2499 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2502 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
2503 by default. Don't set the default arch for
2504 i[34567]86-*-darwin*|x86_64-*-darwin*.
2506 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2509 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
2510 default. Set the default 32bit/64bit archs with $with_arch
2511 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
2513 2010-02-27 Richard Guenther <rguenther@suse.de>
2515 PR tree-optimization/43186
2516 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
2517 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
2518 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
2519 unroller iterations.
2521 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2523 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
2524 required and i[34567]86-*-* targets don't support 64bit ISA.
2526 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
2529 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2532 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2534 * config.gcc: Set the default arch at least to Prescott for
2535 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2536 if SSE math is enabled.
2538 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2540 * diagnostic.c (diagnostic_initialize): Update.
2541 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2543 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2544 (diagnostic_inhibit_notes): New.
2545 * toplev.c (process_options): inhibit notes with -fcompare-debug.
2547 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2550 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2551 * doc/standards.texi: Likewise.
2552 * doc/extend.texi: Likewise.
2553 * doc/trouble.texi: Likewise.
2554 * doc/cppopts.texi: Likewise.
2555 * doc/install.texi: Likewise.
2556 * c.opt (std=c90,std=gnu90): New options.
2557 * c-opts.c (c_common_handle_option): Handle them.
2559 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2562 * c-decl.c (undeclared_variable): Use an informative note.
2564 2010-02-26 Richard Guenther <rguenther@suse.de>
2566 PR tree-optimization/43186
2567 * gimple.h (gimple_fold): Remove.
2568 * gimple.c (gimple_fold): Remove. Inline into single user ...
2569 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2570 Try harder for conditions.
2572 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2575 * function.c (used_types_insert): Don't skip through named pointer
2576 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2577 and it is different from the main variant's type.
2579 2010-02-26 Nick Clifton <nickc@redhat.com>
2581 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2583 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2585 * config.gcc: Support --with-fpmath=sse for x86.
2587 * config/i386/ssemath.h: New.
2589 * doc/install.texi (--with-fpmath=sse): Documented.
2591 2010-02-26 Richard Guenther <rguenther@suse.de>
2593 PR tree-optimization/43188
2594 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2595 vector types of over-aligned element type.
2597 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2600 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2601 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2603 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2605 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2607 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2609 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2610 * var-tracking.c: Include diagnostic.h.
2611 (debug_dv): New function.
2612 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2615 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2616 (add_value_chain, add_value_chains, remove_value_chain,
2617 remove_value_chains): Handle DEBUG_EXPRs.
2618 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2621 * regcprop.c (struct queued_debug_insn_change): New type.
2622 (struct value_data_entry): Add debug_insn_changes field.
2623 (struct value_data): Add n_debug_insn_changes field.
2624 (debug_insn_changes_pool): New variable.
2625 (free_debug_insn_changes, apply_debug_insn_changes,
2626 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2627 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2628 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2630 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2632 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2633 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2634 changes, call cprop_find_used_regs via note_stores.
2635 (copyprop_hardreg_forward): When copying vd from predecessor
2636 which has any queued DEBUG_INSN changes, make sure the pointers are
2637 cleared. At the end call df_analyze and then if there are any
2638 DEBUG_INSN changes queued at the end of some basic block for still
2639 live registers, apply them.
2640 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2642 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2644 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2647 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2649 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2650 targets. Set the default with_cpu/with_arch from arch/cpu.
2651 Allow x86-64 and native for with_cpu/with_arch.
2653 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2655 * ebitmap.c: Change calls to verify_popcount with calls to
2656 sbitmap_verify_popcount.
2657 (ebitmap_clear_bit): Fixed map->cacheindex test and
2658 map>cache update when bit clearing results in an empty
2661 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2664 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2665 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2666 and support both V2DF and V2DI modes.
2667 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2668 support both V2DF and V2DI modes.
2669 (general): Delete trailing whitespace from a few patterns.
2671 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2672 V2DF/V2DI interleave high/low builtins.
2674 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2677 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2678 interleave high/low functions.
2680 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2682 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2683 #pragma extern_prefix.
2685 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2688 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2689 BLKmode, assert op0 is a MEM and just adjust its mode.
2692 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2693 if bitpos isn't multiple of mode's bitsize.
2695 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2697 * c.opt (-ftemplate-depth=): New.
2698 (-ftemplate-depth-): Deprecate.
2699 * optc-gen.awk: Handle -ftemplate-depth=.
2700 * opth-gen.awk: Likewise.
2701 * c-opts.c (c_common_handle_option): Likewise.
2702 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2704 2010-02-24 Jason Merrill <jason@redhat.com>
2706 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2708 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2710 * cfg.c (alloc_aux_for_block): Remove inline.
2711 (alloc_aux_for_edge): Likewise.
2713 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2715 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2717 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2719 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2720 * config/i386/sol2-gas.h: New file.
2721 * config.gcc (i[34567]86-*-solaris2*): Use it.
2723 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2726 * c-typeck.c (ep_convert_and_check): New.
2727 (build_conditional_expr): Use it.
2728 (build_binary_op): Likewise.
2730 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2732 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2735 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2736 bounds even for -O+.
2737 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2738 expr needs to have DECL_NAME set.
2740 2010-02-24 Nick Clifton <nickc@redhat.com>
2742 * config/mep/mep.c: Include gimple.h.
2743 (mep_function_uses_sp): Delete unused function.
2744 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2745 parameters. Use unsigned integers to count args. Return a
2746 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2748 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2751 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2752 greater or equal to nelt instead of 2 * nelt.
2753 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2756 2010-02-23 Jason Merrill <jason@redhat.com>
2759 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2760 in cfun->local_decls even if they have register types.
2763 * stor-layout.c (place_field): Don't warn about unnecessary
2764 DECL_PACKED if the type is packed.
2766 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2769 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2770 GOTOFF relocs, even when the base reg isn't pic pointer.
2772 2010-02-23 Michael Matz <matz@suse.de>
2775 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2776 (expand_gimple_basic_block): Generate and use debug temps if there
2777 are debug uses left after the last real use of TERed ssa names.
2778 Unlink debug immediate uses when they are expanded.
2780 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2783 * config/i386/i386.c (override_options): Reorganise to provide
2784 better error messages.
2786 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2789 * graphite-scop-detection.c (create_single_exit_edge): Move
2790 the call to find_single_exit_edge to....
2791 (create_sese_edges): ...here. Don't handle multiple edges
2792 exiting the function.
2793 (build_graphite_scops): Don't handle multiple edges
2794 exiting the function.
2796 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2799 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2800 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2802 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2805 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2807 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2810 * c-typeck.c (convert_arguments): Print declaration location.
2811 * c-common.c (validate_nargs): Rename as
2812 builtin_function_validate_nargs.
2813 (check_builtin_function_arguments): Update.
2815 2010-02-22 Richard Guenther <rguenther@suse.de>
2818 * tree-inline.c (declare_return_variable): Use the type of
2819 the call stmt lhs if available.
2821 2010-02-22 Duncan Sands <baldrick@free.fr>
2823 * passes.c (register_pass): Always consider all pass lists when
2824 ref_pass_instance_number is zero.
2826 2010-02-22 Richard Guenther <rguenther@suse.de>
2828 PR tree-optimization/42749
2829 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2830 parameter. Do arithmetic in the original type.
2831 (update_accumulator_with_ops): Likewise.
2832 (adjust_accumulator_values): Adjust.
2834 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2836 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2837 (QI to BLKmode splitter): New splitter.
2839 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2841 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2842 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2844 2010-02-22 Richard Guenther <rguenther@suse.de>
2846 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2848 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2850 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2851 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2852 ($(T)crti.o, $(T)crtn.o): Remove rules.
2854 2010-02-21 Tobias Burnus <burnus@net-b.de>
2857 * doc/invoke.texi (-fassociative-math): Document that this
2858 option is automatically enabled for Fortran.
2860 2010-02-20 David S. Miller <davem@davemloft.net>
2862 * configure.ac: Test if linker and assembler properly support
2863 GOTDATA_OP relocations.
2864 * configure: Rebuild.
2865 * config.in: Likewise.
2866 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2867 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2868 (movsi_high_pic): Likewise.
2869 (movdi_lo_sum_pic): Likewise.
2870 (movdi_high_pic): Likewise.
2871 (movsi_pic_gotdata_op): New pattern.
2872 (movdi_pic_gotdata_op): Likewise.
2873 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2874 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
2876 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
2879 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
2880 attribute to ssemul.
2881 (xop_mulv2div2di3_high): Ditto.
2883 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2886 * c.opt (Wconversion-null): New option.
2887 * doc/invoke.texi (Wconversion-null): Document.
2889 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2891 * common.opt (Wlarger-than-): Add Undocumented.
2893 2010-02-19 Mike Stump <mikestump@comcast.net>
2895 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
2897 2010-02-19 Jason Merrill <jason@redhat.com>
2900 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
2901 * configure: Likewise.
2903 2010-02-20 Alan Modra <amodra@gmail.com>
2906 * cgraph.h (cgraph_make_decl_local): Declare.
2907 * cgraph.c (cgraph_make_decl_local): New function.
2908 (cgraph_make_node_local): Use it.
2909 * cgraphunit.c (cgraph_function_versioning): Likewise.
2910 * ipa.c (function_and_variable_visibility): Likewise.
2912 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2915 * except.c (sjlj_emit_function_enter): Don't call
2916 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
2918 * rtl.h (add_reg_br_prob_note): Remove prototype.
2920 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2923 * c-common.c (conversion_warning): Remove widening conversions
2924 before checking the conversion of integers to reals.
2926 2010-02-19 Mike Stump <mikestump@comcast.net>
2929 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
2932 * cgraphunit.c (process_function_and_variable_attributes): Check
2933 DECL_PRESERVE_P instead of looking up attribute "used".
2934 * ipa-pure-const.c (check_decl): Likewise.
2935 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
2936 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
2937 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
2938 instead of attribute "used".
2939 * config/sol2-c.c (solaris_pragma_init): Likewise.
2940 (solaris_pragma_fini): Likewise.
2942 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2944 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
2945 Use XCNEW instead of xcalloc.
2946 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
2947 XNEW instead of xmalloc.
2948 (get_fields): Use XNEWVEC instead of xmalloc.
2951 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
2952 populate vars array.
2953 (create_new_general_access): For debug stmts just reset value.
2954 (get_stmt_accesses): For accesses within debug stmts just record them
2955 using add_access_to_acc_sites instead of preventing the peeling or
2956 counting them as accesses.
2959 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
2961 2010-02-19 Richard Guenther <rguenther@suse.de>
2963 PR tree-optimization/42916
2964 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
2967 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
2969 * configure.ac: Replace all uses of changequote in macro arguments
2970 with proper quoting.
2972 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2975 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
2977 2010-02-19 Richard Guenther <rguenther@suse.de>
2979 PR tree-optimization/42944
2980 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
2981 test for aliasing with errno.
2983 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2986 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
2987 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
2988 * dojump.c: Include output.h.
2989 (inv): New inline function.
2990 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
2991 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
2992 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
2993 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
2994 argument, pass it down to other calls.
2995 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
2996 add REG_BR_PROB note to the conditional jump.
2997 * cfgexpand.c (add_reg_br_prob_note): Removed.
2998 (expand_gimple_cond): Don't call it, add the probability
2999 as last argument to jumpif_1/jumpifnot_1.
3000 * Makefile.in (dojump.o): Depend on output.h.
3001 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3003 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3004 * stmt.c (do_jump_if_equal): Likewise.
3005 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3006 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3007 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3009 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3010 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3011 jumpifnot_1 callers.
3012 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3014 (store_expr): Adjust jumpifnot caller.
3015 (store_constructor): Adjust jumpif caller.
3018 * gimplify.c (gimple_boolify): For __builtin_expect call
3019 gimple_boolify also on its first argument.
3021 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3023 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3025 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3026 * configure: Regenerated.
3028 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3030 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3031 lang_hooks.types_compatible_p instead of comptypes.
3033 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3035 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3036 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3037 if __prefer_thumb__ is defined.
3039 2010-02-18 Martin Jambor <mjambor@suse.cz>
3041 PR tree-optimization/43066
3042 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3043 array with zero-sized element type.
3045 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3047 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3048 rtx, allocate struct var_loc_node here and return it to the
3049 caller, and only if it is actually needed.
3050 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3051 move it earlier and return immediately if it returns NULL.
3053 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3055 * config/sparc/gas.h: New file. Restore
3056 TARGET_ASM_NAMED_SECTION to its ELF default.
3057 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3059 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3060 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3061 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3062 after sparc/sysv4.h.
3064 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3066 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3068 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3070 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3071 patterns from predicated pattern.
3073 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3076 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3077 for insn mnemonic suffix.
3079 2010-02-17 Richard Guenther <rguenther@suse.de>
3081 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3084 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3087 * caller-save.c (save_call_clobbered_regs): If BB ends with
3088 a DEBUG_INSN, move any notes in between last real insn and the last
3089 DEBUG_INSN after the last DEBUG_INSN.
3091 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
3093 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
3094 Fix return type. Fix argument type. Explain meaning of return value.
3096 2010-02-16 Richard Guenther <rguenther@suse.de>
3098 PR tree-optimization/41043
3099 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
3100 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
3102 (vrp_visit_phi_node): ... but only for loop PHI nodes.
3104 2010-02-16 Ira Rosen <irar@il.ibm.com>
3106 PR tree-optimization/43074
3107 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
3108 * tree-vect-loop.c (vect_analyze_loop_operations): Add
3109 vectorizable cycles in hybrid SLP check.
3110 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
3112 2010-02-16 Richard Guenther <rguenther@suse.de>
3114 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
3115 (true_dependence): If memrefs_conflict_p computes must-alias
3116 trust it. Move TBAA check after offset-based disambiguation.
3117 (canon_true_dependence): Likewise.
3119 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
3121 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
3122 * doc/invoke.texi: Document it.
3123 * var-tracking.c: Include toplev.h and params.h.
3124 (vt_find_locations): Return bool indicating success. Compute
3125 hash sizes unconditionally. Check new parameter, report.
3126 (variable_tracking_main_1): Check vt_find_locations results and
3127 retry. Renamed from...
3128 (variable_tracking_main): ... this. New wrapper to preserve
3129 flag_var_tracking_assignments.
3130 * Makefile.in (var-tracking.o): Adjust dependencies.
3132 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
3133 Jakub Jelinek <jakub@redhat.com>
3136 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
3137 if weak_import attribute is present.
3138 * config/darwin.c (machopic_select_section): Likewise.
3140 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
3142 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
3143 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
3144 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
3145 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
3147 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
3149 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3152 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
3153 Rewrite text to refer to the names.
3155 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
3157 * config/i386/i386-builtin-types.def
3158 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
3159 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
3160 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
3161 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
3162 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
3163 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
3164 IX86_BUILTIN_VPERMIL2PS256.
3165 (MULTI_ARG_4_DF2_DI_I): Defined.
3166 (MULTI_ARG_4_DF2_DI_I1): Defined.
3167 (MULTI_ARG_4_SF2_SI_I): Defined.
3168 (MULTI_ARG_4_SF2_SI_I1): Defined.
3169 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
3170 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
3171 __builtin_ia32_vpermil2ps256.
3172 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3173 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3174 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
3175 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3176 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3177 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
3178 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
3179 CODE_FOR_xop_vpermil2v8sf3.
3180 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
3181 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
3182 * config/i386/xopintrin.h (_mm_permute2_pd): New.
3183 (_mm256_permute2_pd): New.
3184 (_mm_permute2_ps): New.
3185 (_mm256_permute2_ps): New.
3187 2010-02-15 Nick Clifton <nickc@redhat.com>
3189 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
3190 boolean parameters. Use emit_jump_insn when emitting a pop
3191 instruction containing a return insn.
3192 (push): Use 'true' rather than '1' as second parameter to F.
3193 (h8300_expand_prologue): Likewise.
3194 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
3195 (h8300_expand_epilogue): Likewise.
3197 2010-02-15 Richard Guenther <rguenther@suse.de>
3200 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
3203 2010-02-15 Nick Clifton <nickc@redhat.com>
3205 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
3208 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
3210 * intl.c (fake_ngettext): New function.
3211 * intl.h (fake_ngettext): Declare.
3212 (ngettext): Define macro.
3213 * collect2.c (notice_translated): New function.
3214 (main): Use notice_translated and ngettext.
3215 * collect2.h (notice_translated): Declare.
3217 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
3219 * reorg.c (delete_computation): Comment fixes.
3220 * caller-save.c (setup_save_areas): Idem.
3221 * sel-sched-dump.c (dump_lv_set): Idem.
3224 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3226 * config/s390/s390.c (s390_sched_init): New function.
3227 (TARGET_SCHED_INIT): Target hook defined.
3229 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
3230 Jack Howarth <howarth@bromo.med.uc.edu>
3231 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3234 Partial revert of unintended change in fix for PR41605.
3235 * config/darwin.h: Fix typo.
3236 * config/darwin9.h: Same.
3238 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3240 * c-pch.c (pch_init): Clear v.
3242 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3245 * graphite-scop-detection.c (graphite_can_represent_scev): Call
3246 graphite_can_represent_init for MULT_EXPR.
3248 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3252 * graphite-sese-to-poly.c (remove_phi): New.
3253 (translate_scalar_reduction_to_array): Call remove_phi.
3255 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3258 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
3259 * graphite-clast-to-gimple.h (gloog): Update declaration.
3260 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
3261 * graphite-poly.h (struct poly_bb): Add missing comments.
3262 (struct scop): Add poly_scop_p field.
3264 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
3265 * graphite.c (graphite_transform_loops): Build the polyhedral
3266 representation for each scop before code generation.
3267 * sese.c (rename_variables_in_operand): Removed.
3268 (rename_variables_in_expr): Return the renamed expression.
3269 (rename_sese_parameters): New.
3270 * sese.h (rename_sese_parameters): Declared.
3272 2010-02-11 Richard Guenther <rguenther@suse.de>
3274 PR tree-optimization/42998
3275 * tree-ssa-pre.c (create_expression_by_pieces): Treat
3276 POINTER_PLUS_EXPR properly.
3278 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3279 Changpeng Fang <changpeng.fang@amd.com>
3282 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
3283 the cost of an IV candidate when the IV is used in a test against zero.
3285 * gcc.dg/tree-ssa/ivopts-3.c: New.
3287 2010-02-11 Richard Guenther <rguenther@suse.de>
3290 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
3291 pointer-vs-decl case by swapping refs. Handle some cases
3292 of pointer-vs-decl disambiguations more conservatively.
3293 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
3294 to false after expanding.
3296 2010-02-11 Richard Guenther <rguenther@suse.de>
3299 * gcc.c (process_command): Handle LTO file@offset case more
3302 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3304 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
3305 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
3307 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
3309 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
3310 if MEM's mode size isn't DWARF2_ADDR_SIZE.
3311 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
3312 Optimize eq/ne comparisons when both arguments are known to be
3314 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
3315 Don't mask operands unnecessarily if they are known to be already
3318 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
3320 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
3323 2010-02-10 Richard Guenther <rguenther@suse.de>
3325 PR tree-optimization/43017
3326 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
3327 for wrapping signed arithmetic.
3329 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3332 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
3333 if no debug info should be emitted for it.
3335 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3337 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
3338 note when flag_exceptions is set.
3340 2010-02-10 Duncan Sands <baldrick@free.fr>
3342 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
3344 2010-02-10 Richard Guenther <rguenther@suse.de>
3347 * tree.c (get_unwidened): Handle constants.
3348 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
3350 2010-02-10 Martin Jambor <mjambor@suse.cz>
3353 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
3354 check for variable argument counts independently.
3356 2010-02-10 Christian Bruel <christian.bruel@st.com>
3359 * config/sh/sh.c (find_barrier): Increase length for non delayed
3360 conditional branches.
3362 2010-02-10 Christian Bruel <christian.bruel@st.com>
3364 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
3366 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3368 * builtins.c (set_builtin_user_assembler_name): Also handle
3369 ffs if int is smaller than word.
3371 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
3374 * ira-conflicts.c (get_dup): Remove.
3375 (process_reg_shuffles): Add new parameter. Use it as an
3376 additional guard for copy generation.
3377 (add_insn_allocno_copies): Rewrite.
3379 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
3381 * common.opt (fsched2-use-traces): Preserved for backward
3383 * doc/invoke.texi: Remove the documentation about option
3384 -fsched2-use-traces.
3385 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
3386 flag_sched2_use_traces.
3387 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
3388 the backward compatibility flag section.
3390 2010-02-09 Richard Guenther <rguenther@suse.de>
3392 PR tree-optimization/43008
3393 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
3394 make HEAP variables initialized from global memory if they
3395 are not known builtin functions.
3396 (find_func_aliases): Adjust.
3398 2010-02-09 Richard Guenther <rguenther@suse.de>
3400 PR tree-optimization/43000
3401 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
3402 arithmetic manually.
3404 2010-02-08 Jakub Jelinek <jakub@redhat.com>
3406 PR tree-optimization/42931
3407 * tree-loop-linear.c (try_interchange_loops): Don't call
3408 double_int_mul if estimated_loop_iterations failed.
3410 2010-02-08 Martin Jambor <mjambor@suse.cz>
3413 * tree-sra.c (build_accesses_from_assign): Do not mark in
3414 should_scalarize_away_bitmap if stmt has volatile ops.
3415 (sra_modify_assign): Do not process assigns piecemeal if if stmt
3418 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
3420 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
3422 2010-02-07 Adam Nemet <adambnmet@gmail.com>
3424 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
3427 2010-02-07 Andrew Pinski <pinskia@gmail.com>
3430 * df-core.c (df_finish_pass): Change type of saved_flags to int.
3432 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3435 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
3436 to unknown_dependence.
3437 (graphite_legal_transform_dr): Handle the unknown_dependence.
3438 (graphite_carried_dependence_level_k): Same.
3440 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3442 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
3444 2010-02-07 Richard Guenther <rguenther@suse.de>
3447 * expr.c (get_inner_reference): Always initialize *pbitsize.
3449 2010-02-07 Richard Guenther <rguenther@suse.de>
3452 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
3453 new ARRAY_REFs on variable size element or minimal index arrays.
3455 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
3456 gimple_fold_indirect_ref.
3458 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
3461 * arm.c (arm_override_options): Just return if the user has specified
3462 an invalid fpu name.
3464 2010-02-03 Jason Merrill <jason@redhat.com>
3467 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
3468 i386_pe_maybe_record_exported_symbol.
3470 2010-02-05 Steve Ellcey <sje@cup.hp.com>
3473 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3474 (pa_delegitimize_address): New function.
3476 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
3478 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
3479 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
3481 2010-02-05 Richard Guenther <rguenther@suse.de>
3484 * lto-streamer-in.c (get_resolution): Deal with references
3485 to undefined functions.
3487 2010-02-05 Richard Guenther <rguenther@suse.de>
3489 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
3490 (fold_const_aggregate_ref): Likewise.
3491 (ccp_fold_stmt): Substitute loads.
3492 (maybe_fold_reference): Verify types before substituting.
3494 (fold_gimple_assign): Unshare properly.
3495 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
3497 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
3499 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
3500 for rs6000_gen_cell_microcode.
3502 2010-02-04 Richard Guenther <rguenther@suse.de>
3504 PR rtl-optimization/42952
3505 * dse.c (const_or_frame_p): Remove MEM handling.
3507 2010-02-04 Nick Clifton <nickc@redhat.com>
3509 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
3510 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
3511 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
3512 (mn10300_asm_output_mi_thunk): New function.
3513 (mn10300_can_output_mu_thunk): New function.
3514 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
3515 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
3516 (FUNCTION_ARG): Delete incorrect comment.
3518 2010-02-03 Jason Merrill <jason@redhat.com>
3521 * fold-const.c (operand_equal_p): Handle erroneous types.
3523 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3525 * config/h8300/h8300.md (can_delay): Fix attibute condition.
3527 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
3529 PR rtl-optimization/42941
3530 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
3533 2010-02-03 Jason Merrill <jason@redhat.com>
3536 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
3538 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
3541 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
3542 (cselib_reset_table): Renamed from...
3543 (cselib_reset_table_with_next_value): ... this.
3544 (cselib_get_next_uid): Renamed from...
3545 (cselib_get_next_unknown_value): ... this.
3546 * cselib.c (next_uid): Renamed from...
3547 (next_unknown_value): ... this.
3548 (cselib_clear_table): Adjust.
3549 (cselib_reset_table): Adjust. Renamed from...
3550 (cselib_reset_table_with_next_value): ... this.
3551 (cselib_get_next_uid): Adjust. Renamed from...
3552 (cselib_get_next_unknown_value): ... this.
3553 (get_value_hash): Use hash.
3554 (cselib_hash_rtx): Likewise.
3555 (new_cselib_val): Adjust. Set and dump uid.
3556 (cselib_lookup_mem): Pass next_uid as hash.
3557 (cselib_subst_to_values): Likewise.
3558 (cselib_log_lookup): Dump uid.
3559 (cselib_lookup): Pass next_uid as hash. Adjust.
3560 (cselib_process_insn): Adjust.
3561 (cselib_init): Initialize next_uid.
3562 (cselib_finish): Adjust.
3563 (dump_cselib_table): Likewise.
3564 * dse.c (canon_address): Dump value uid.
3565 * print-rtl.c (print_rtx): Print value uid.
3566 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
3568 (dv_uid): New function, sort of renamed from...
3569 (dv_htab_hash): ... this, reimplemented in terms of it and...
3570 (dv_uid2hash): ... this. New.
3571 (variable_htab_eq): Drop excess assertions.
3572 (tie_break_pointers): Removed.
3573 (canon_value_cmp): Compare uids.
3574 (variable_post_merge_New_vals): Print uids.
3575 (vt_add_function_parameters): Adjust.
3576 (vt_initialize): Reset table. Adjust.
3578 2010-02-03 Richard Guenther <rguenther@suse.de>
3580 PR tree-optimization/42944
3581 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
3582 (call_may_clobber_ref_p_1): Likewise. Properly handle
3583 malloc and calloc clobbering errno.
3585 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
3587 * doc/invoke.texi: Fix name of sched1 dump.
3589 * opts.c (decode_options): Set flag_tree_switch_conversion
3590 only conditionally on optimize >= 2.
3592 * gcse.c: Assorted comment fixes in pass description.
3594 2010-02-03 Anthony Green <green@moxielogic.com>
3596 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
3597 nop padding in order to maintain alignment of storage location of
3598 target function address.
3599 (moxie_trampoline_init): Store target function address at newly
3601 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
3603 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
3605 2010-02-03 Richard Guenther <rguenther@suse.de>
3608 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
3610 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3612 * config.gcc: Reenable check for obsolete targets.
3613 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
3614 mips-sgi-irix6.[0-4]*.
3616 2010-02-02 Nick Clifton <nickc@redhat.com>
3618 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
3619 constant size of 4 as being the same as 0.
3620 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
3621 can take values in the range 0..4.
3623 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
3626 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
3627 as _darwin10_Unwind_FindEnclosingFunction().
3628 * libgcc-libsystem.ver: New.
3630 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
3633 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
3634 implicitly set registers.
3636 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
3638 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
3639 (arm_override_options): Allow automatic selection of the thread
3640 pointer register if thumb2.
3641 (legitimize_pic_address): Improve code sequences for Thumb2.
3642 (arm_call_tls_get_addr): Likewise.
3643 (legitimize_tls_address): Likewise.
3644 * arm.md (pic_load_addr_arm): Delete. Replace with ...
3645 (pic_load_addr_32bit): ... this. New named pattern.
3646 * thumb2.md (pic_load_addr_thumb2): Delete.
3647 (pic_load_dot_plus_four): Delete.
3648 (tls_load_dot_plus_four): New named pattern.
3650 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3653 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
3654 Document fix for TLS bug.
3656 2010-01-31 Richard Guenther <rguenther@suse.de>
3658 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
3659 conservatively correct.
3661 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3665 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3667 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3669 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3671 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
3673 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
3675 * config.gcc: Adjust order of makefile fragments for mingw targets.
3677 2010-01-31 Richard Guenther <rguenther@suse.de>
3680 * gimplify.c (gimplify_init_constructor): For volatile LHS
3681 initialize a temporary.
3683 2010-01-31 Matthias Klose <doko@ubuntu.com>
3685 * configure.ac: Fix __stack_chk_fail check for cross builds configured
3687 * configure: Regenerate.
3689 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
3691 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3692 the same alias set and their sizes different constantness.
3693 (aliasing_component_refs_p): Revert 2009-10-24 change.
3695 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3697 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
3700 2010-01-29 Richard Guenther <rguenther@suse.de>
3702 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
3703 Assert we successfully updated the call.
3705 2010-01-29 Jakub Jelinek <jakub@redhat.com>
3707 PR rtl-optimization/42889
3708 * df.h (df_set_bb_dirty_nonlr): New prototype.
3709 * df-core.c (df_set_bb_dirty_nonlr): New function.
3710 * df-scan.c (df_insn_rescan): Call it instead of
3711 df_set_bb_dirty for DEBUG_INSNs.
3713 2010-01-29 Richard Guenther <rguenther@suse.de>
3716 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
3717 quadratic behavior in most cases.
3719 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
3722 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
3723 in the call to gen_x86_movsicc_0_m1.
3725 2010-01-28 Richard Guenther <rguenther@suse.de>
3727 PR tree-optimization/42871
3728 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
3730 2010-01-28 Richard Guenther <rguenther@suse.de>
3732 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
3733 into call arguments.
3735 2010-01-28 Richard Guenther <rguenther@suse.de>
3738 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
3739 the forwarder if the destination is an EH landing pad.
3741 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
3743 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
3744 block list passed to gimple_duplicate_sese_tail.
3745 (parallelize_loops): Avoid parallelization when the function
3747 Avoid parallelization when the preheader is IRREDUCIBLE.
3748 Try to optimize when estimated_loop_iterations_int is unresolved.
3749 Add the loop's location to the dump file.
3750 * tree-cfg.c (add_phi_args_after_redirect): Remove.
3751 (gimple_duplicate_sese_tail): Remove the check for the latch.
3752 Redirect nexits to the exit block.
3753 Remove handling of the incoming edges to the latch.
3754 Redirect the backedge from the copied latch to the exit bb.
3756 2010-01-28 Michael Matz <matz@suse.de>
3759 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
3760 Wrap force_reg into a sequence, emit it before user.
3762 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
3764 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
3766 (arm_legacy_rev): Likewise.
3767 (thumb_legacy_rev): Likewise.
3769 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3771 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
3772 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
3773 on MEM's address failed, try avoid_constant_pool_reference and
3774 recurse if it returned something different.
3775 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
3776 address, try avoid_constant_pool_reference and recurse if it
3777 returned something different.
3778 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
3779 address and avoid_constant_pool_reference returned something
3780 different, don't set have_address.
3782 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
3785 * var-tracking.c (val_store): Add modified argument, obey it.
3787 (count_uses): Move down logging of main.
3788 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
3789 don't need resolution.
3790 (emit_notes_in_bb): Likewise.
3792 2010-01-27 Richard Guenther <rguenther@suse.de>
3795 * tree-inline.c (remap_decl): Delay remapping of SSA name
3796 default definitions until we need them.
3798 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3800 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3801 (rs6000_delegitimize_address): New function.
3803 * config/s390/s390.c (s390_delegitimize_address): Call
3804 delegitimize_mem_from_attrs.
3807 * tree-inline.c (cannot_copy_type_1): Removed.
3808 (copy_forbidden): Don't forbid copying of functions containing
3809 records/unions with variable length fields.
3811 2010-01-27 Christian Bruel <christian.bruel@st.com>
3815 * config/sh/sh.c (find_barrier): Increase length for non delayed
3816 conditional branches.
3818 2010-01-27 Matthias Klose <doko@ubuntu.com>
3820 * configure.ac (gnu-unique-object): Fix ldd version check.
3821 * configure: Regenerate.
3823 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3825 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
3827 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
3828 Test for HAVE_GNU_AS value.
3830 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3832 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
3833 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
3834 INT64_TYPE): Define.
3835 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
3836 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3837 INT_LEAST64_TYPE): Define.
3838 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
3839 UINT_LEAST64_TYPE): Define.
3840 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
3841 INT_FAST64_TYPE): Define.
3842 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3843 UINT_FAST64_TYPE): Define.
3844 (INTMAX_TYPE, UINTMAX_TYPE): Define.
3845 (INTPTR_TYPE, UINTPTR_TYPE): Define.
3846 (SIG_ATOMIC_TYPE): Define.
3848 2010-01-26 Richard Guenther <rguenther@suse.de>
3850 * df-scan.c (df_scan_set_bb_info): Remove assert.
3851 (df_insn_rescan_debug_internal): Merge asserts.
3852 (df_install_ref): Likewise.
3853 (df_mark_reg): Use bitmap_set_range.
3854 (df_hard_reg_used_p): Remove assert.
3855 (df_hard_reg_used_count): Likewise.
3857 2010-01-26 Richard Guenther <rguenther@suse.de>
3859 PR rtl-optimization/42685
3860 * web.c (web_main): Ignore DEBUG_INSNs.
3862 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
3864 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
3866 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
3867 Fix types of fndecl and arglist parameters.
3869 2010-01-26 Richard Guenther <rguenther@suse.de>
3872 * tree-eh.c (unsplit_eh): Skip debug insns.
3874 2010-01-26 Richard Guenther <rguenther@suse.de>
3876 PR tree-optimization/42250
3877 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
3879 2010-01-26 Jakub Jelinek <jakub@redhat.com>
3882 * omp-low.c (expand_omp_sections): Only use single_pred if
3883 l2_bb is single_pred_p.
3885 2010-01-25 Christian Bruel <christian.bruel@st.com>
3888 * config/sh/sh.c (find_barrier): Increase length for non delayed
3889 conditional branches.
3890 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
3892 2010-01-24 David S. Miller <davem@davemloft.net>
3894 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
3895 define if not using GAS.
3896 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3897 Likewise. Delete SECTION_MERGE code, which is only applicable
3900 2010-01-24 Mark Mitchell <mark@codesourcery.com>
3903 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
3904 mangling of va_list in system headers.
3906 2010-01-23 Toon Moene <toon@moene.org>
3908 * tree-predcom.c (combine_chains): Return NULL, not false.
3910 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
3912 * tree-loop-distribution.c (distribute_loop): Fix declaration and
3913 initialization of variable res to agree with return type.
3915 2010-01-22 Steve Ellcey <sje@cup.hp.com>
3917 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
3918 * tree-sra.c: Add include of expr.h.
3920 2010-01-22 Jakub Jelinek <jakub@redhat.com>
3922 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
3923 insert the debug stmt on the single non-EH edge from the stmt.
3925 2010-01-22 Richard Henderson <rth@redhat.com>
3928 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
3929 the RHS until after generate_subtree_copies has insertted its
3930 code before the current statement.
3932 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
3934 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
3936 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
3938 2010-01-21 Martin Jambor <mjambor@suse.cz>
3940 PR tree-optimization/42585
3941 * tree-sra.c (struct access): New field grp_total_scalarization.
3942 (dump_access): Dump the new field.
3943 (should_scalarize_away_bitmap): New variable.
3944 (cannot_scalarize_away_bitmap): Likewise.
3945 (sra_initialize): Allocate new bitmaps.
3946 (sra_deinitialize): Free new bitmaps.
3947 (create_access_1): New function.
3948 (create_access): Parts moved to create_access_1.
3949 (type_consists_of_records_p): New function.
3950 (completely_scalarize_record): Likewise.
3951 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
3952 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
3953 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
3955 (analyze_all_variable_accesses): Completely scalarize small eligible
3958 2010-01-21 Martin Jambor <mjambor@suse.cz>
3960 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
3962 2010-01-21 Andrew Haley <aph@redhat.com>
3964 * gcc.c (process_command): Move lang_specific_driver before
3965 setting cc_libexec_prefix.
3967 2010-01-21 Richard Guenther <rguenther@suse.de>
3970 * fold-const.c (negate_expr_p): Pretend only negative
3971 real constants are easily negatable.
3973 2010-01-20 Janis Johnson <janis187@us.ibm.com>
3974 Jason Merrill <jason@redhat.com>
3976 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
3977 (TYPE_TRANSPARENT_AGGR): this, for union and record.
3978 * calls.c (initialize argument_information): Handle it.
3979 * c-common.c (handle_transparent_union_attribute): Use new name.
3980 * c-decl.c (finish_struct): Ditto.
3981 * c-typeck.c (type_lists_compatible_p): Ditto.
3982 (convert_for_assignment): Use new name and also handle record.
3983 * function.c (aggregate_value_p): Handle it.
3984 (pass_by_reference): Ditto.
3985 (assign_parm_data_types): Ditto.
3986 * print-tree.c (print_node): Ditto.
3987 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
3988 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
3989 * tree.c (first_field): New fn.
3991 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3994 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
3995 even when linking statically, for now.
3997 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4000 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4001 without a cselib val.
4002 (count_uses): Accept MO_VAL_SET with no val on stores.
4003 (add_stores): Likewise.
4005 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4007 * var-tracking.c (check_value_val): Add a compile time assertion.
4008 (dv_is_decl_p): Simplify.
4009 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4010 gcc_assert if ENABLE_CHECKING.
4012 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4015 * var-tracking.c: Include tree-flow.h.
4016 (mem_dies_at_call): New.
4017 (dataflow_set_preserve_mem_locs): Use it.
4018 (dataflow_set_remove_mem_locs): Likewise.
4019 (dump_var): Renamed from dump_variable. Adjust all callers.
4020 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4021 * Makefile.in (var-tracking.o): Adjust deps.
4023 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4025 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
4027 2010-01-20 Richard Guenther <rguenther@suse.de>
4029 PR tree-optimization/42717
4030 * tree-ssa-dce.c (get_live_post_dom): Remove.
4031 (forward_edge_to_pdom): Take an arbitrary edge to copy
4032 degenerate PHI args from.
4033 (remove_dead_stmt): Use the first post-dominator even if it
4034 does not contain live statements as redirection destination.
4036 2010-01-20 Richard Guenther <rguenther@suse.de>
4038 * tree-inline.c (estimate_num_insns): Handle EH builtins.
4040 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4042 * sel-sched.c (create_speculation_check): Remove set but not used
4044 (try_transformation_cache): Remove set but not used variable ds.
4045 (calculate_privileged_insns): Remove set but not used variables
4046 cur_insn and min_spec_insn.
4047 (find_best_expr): Remove set but not used variable avail_n.
4048 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
4050 * cgraphunit.c (assemble_thunk): Remove set but not used variable
4052 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
4053 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
4056 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
4059 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
4060 cpu types. Add support for *-sse3 cpu types.
4061 (x86_64-*-*): Ditto.
4063 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4066 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
4067 argument, call initializer_constant_valid_p_1 instead of
4068 initializer_constant_valid_p, pass CACHE to it, return NULL
4069 immediately if first call returns NULL.
4070 (initializer_constant_valid_p_1): New function.
4071 (initializer_constant_valid_p): Use it.
4073 2010-01-20 Thomas Quinot <quinot@adacore.com>
4075 * tree.def (PLACEHOLDER_EXPR): Fix comment.
4077 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4079 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
4080 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
4081 (loc_list_from_tree): Don't handle unsigned division. Handle
4082 signed modulo using DW_OP_{over,over,div,mul,minus}.
4083 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
4084 modulo instead of signed.
4086 2010-01-20 DJ Delorie <dj@redhat.com>
4088 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
4090 (h8300_emit_stack_adjustment): Propogate it.
4092 (h8300_expand_prologue): Likewise.
4093 (h8300_expand_epilogue): Likewise.
4095 2010-01-19 Michael Matz <matz@suse.de>
4097 PR tree-optimization/41783
4098 * tree-data-ref.c (toplevel): Include flags.h.
4099 (dump_data_dependence_relation): Also dump the inputs if the
4100 result will be unknown.
4101 (split_constant_offset_1): Look through some conversions.
4102 * tree-predcom.c (determine_roots_comp): Restart a new chain if
4103 the offset from last element is too large.
4104 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
4105 (reassociate_to_the_same_stmt): Handle vector registers.
4106 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
4108 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
4109 wide_prolog_niters argument, emit widening instructions.
4110 (vect_do_peeling_for_alignment): Adjust caller, use widened
4111 variant of the iteration cound.
4112 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
4114 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4117 * config/arm/neon-testgen.m (emit_automatics): New parameter
4118 features. Adjust for Fixed_return_reg feature.
4119 (test_intrinsic): Call emit_automatics with new feature.
4120 * config/arm/neon.ml: Update copyright years.
4121 (features): New Fixed_return_reg feature.
4122 (ops): Update feature for Vget_low.
4124 2010-01-19 Jakub Jelinek <jakub@redhat.com>
4126 PR tree-optimization/42719
4127 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
4131 * fwprop.c (all_uses_available_at): Return false if def_set dest
4132 is a REG that is used in def_insn.
4134 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
4136 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
4138 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
4141 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
4143 * target.h (struct gcc_target) <secondary_reload>: Change type
4144 of last argument to secondary_reload_info *.
4146 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
4149 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
4150 memory references with unaligned offsets. Remove CQImode handling.
4151 (unaligned_memory_operand): Return 1 for memory references with
4152 unaligned offsets. Remove CQImode handling.
4154 2010-01-18 Richard Guenther <rguenther@suse.de>
4157 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
4160 2010-01-18 Richard Guenther <rguenther@suse.de>
4162 PR tree-optimization/42781
4163 * tree-ssa-structalias.c (find_what_var_points_to): Skip
4164 restrict processing only if the original variable was artificial.
4166 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
4168 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
4169 find number of popped argument bytes.
4171 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
4172 Fix the text that describes the return value for invalid insns.
4174 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
4176 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
4177 Clarify what 'cost of the -dependence' is. Fix quoting.
4179 * toplev.c (default_get_pch_validity): Rename argument to "sz".
4180 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
4182 2010-01-17 Jakub Jelinek <jakub@redhat.com>
4184 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4185 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
4187 2010-01-17 Richard Guenther <rguenther@suse.de>
4190 * function.c (split_complex_args): Take a VEC to modify.
4191 (assign_parms_augmented_arg_list): Build a VEC instead of
4192 a chain of PARM_DECLs.
4193 (assign_parms_unsplit_complex): Take a VEC of arguments.
4194 Do not fixup unmodified parms.
4195 (assign_parms): Deal with the VEC.
4196 (gimplify_parameters): Likewise.
4198 2010-01-17 Richard Guenther <rguenther@suse.de>
4200 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
4201 node existence check.
4202 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
4203 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
4204 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
4205 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
4206 (gimple_execute_on_growing_pred): Likewise.
4208 2010-01-17 Richard Guenther <rguenther@suse.de>
4210 PR tree-optimization/42773
4211 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
4212 (compute_antic_aux): Likewise.
4213 (compute_partial_antic_aux): Likewise.
4215 2010-01-17 Jie Zhang <jie.zhang@analog.com>
4218 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
4221 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
4223 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
4226 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
4227 Fix markup for strict argument.
4229 (TARGET_SCHED_REORDER2): Fix argument types.
4231 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
4232 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
4234 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
4235 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
4237 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
4240 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
4241 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
4242 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
4243 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
4244 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
4246 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
4248 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
4250 (TARGET_ASM_RELOC_RW_MASK): Add return type.
4251 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
4253 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
4255 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
4258 (TARGET_ASM_NAMED_SECTION): Fix argument list.
4260 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
4261 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
4263 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
4265 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
4267 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
4268 referring to it. Fix language.
4270 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
4272 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
4274 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
4276 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
4278 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
4279 '@var{stream}. Remove stray 'and'.
4281 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
4283 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
4285 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
4287 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
4288 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
4290 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
4291 Fix description of return value.
4292 Rename argument "sz" to "len."
4294 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
4295 Clarify meaning of 'true' return value.
4297 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
4299 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
4300 rep_mode versus mode_rep.
4302 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
4304 (TARGET_BUILTIN_DECL): Fix name.
4306 (TARGET_COMMUTATIVE_P): Fix type of first argument.
4308 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
4310 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
4312 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
4314 (TARGET_RELAXED_ORDERING): Use @deftypevr.
4316 (TARGET_GET_DRAP_RTX): Note that this is a hook.
4319 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
4320 Rename argument tm_fn to md_fn.
4322 (TARGET_OPTION_PRINT): Fix argument list.
4324 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
4327 * config/i386/i386.c (ix86_fixup_binary_operands):
4328 Revert FMA4 fixup of operands.
4330 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4333 * Makefile.in (write_entries_to_file, install-plugin):
4334 Use \012 instead of \n with tr.
4336 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
4338 * configure.ac (HAVE_AS_REF): New C macro.
4339 * configure: Regenerate.
4340 * config.in: Likewise.
4341 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
4343 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
4346 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
4348 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
4350 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
4352 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
4354 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
4356 (TARGET_IN_SMALL_DATA_P): Fix argument type.
4358 (TARGET_BINDS_LOCAL_P): Fix argument type.
4360 (TARGET_ASM_FILE_END): Use prototype.
4362 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
4364 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
4366 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
4368 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
4370 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
4371 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
4373 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
4374 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
4376 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
4377 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
4378 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
4379 (TARGET_ADDR_SPACE_CONVERT): Likewise.
4381 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
4383 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
4385 (TARGET_INIT_BUILTINS): Use prototype.
4387 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
4388 Put 'const char *' in braces. Fix parameter types.
4389 (TARGET_INVALID_CONVERSION): Fix parameter types.
4390 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
4391 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
4393 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
4396 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
4398 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
4400 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
4402 * doc/tm.texi (TARGET_HELP): Fix return type.
4404 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
4405 in braces. Fix argument types.
4407 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
4409 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
4411 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
4413 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
4414 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
4416 (TARGET_MANGLE_TYPE): Fix argument types.
4418 (TARGET_IRA_COVER_CLASSES): Use prototype.
4420 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
4422 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
4424 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
4426 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
4428 (TARGET_CALLEE_COPIES): Fix argument types.
4430 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
4432 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
4434 (TARGET_FUNCTION_VALUE): Fix argument types.
4436 (TARGET_RETURN_IN_MSB): Fix argument type.
4438 (TARGET_RETURN_IN_MEMORY): Fix argument types.
4440 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
4442 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
4444 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
4445 agree with return type.
4447 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
4449 2010-01-15 Jing Yu <jingyu@google.com>
4451 PR rtl-optimization/42691
4452 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
4453 a pseudo to a constant and are merged, and adjust comments.
4455 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
4457 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
4459 2010-01-15 Richard Guenther <rguenther@suse.de>
4462 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
4463 labels of computed or non-local gotos to the destination.
4464 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
4465 landing pad label is the first label.
4467 2010-01-15 Richard Guenther <rguenther@suse.de>
4469 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
4471 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
4474 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
4475 to allow generation of the xssqrtdp instruction on power7.
4476 (sqrtdf2_fpr): Ditto.
4478 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4481 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
4482 functions with noreturn attribute.
4485 * varasm.c (declare_weak): Add weak attribute to decl if it
4486 doesn't have one already.
4487 (assemble_external): Only add decls to weak_decls if they also
4488 have weak attribute.
4490 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
4492 * var-tracking.c (var_reg_delete): Don't delete the association
4493 between REGs and values or one-part variables if the register
4496 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4499 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
4500 because its first operand is a non-localized variable.
4502 2010-01-14 Martin Jambor <mjambor@suse.cz>
4504 PR tree-optimization/42706
4505 * tree-sra.c (encountered_recursive_call): New variable.
4506 (encountered_unchangable_recursive_call): Likewise.
4507 (sra_initialize): Initialize both new variables.
4508 (callsite_has_enough_arguments_p): New function.
4509 (scan_function): Call decl and flags check only for IPA-SRA, check
4510 whether there is a recursive call and whether it has enough arguments.
4511 (all_callers_have_enough_arguments_p): New function.
4512 (convert_callers): Look for recursive calls only when
4513 encountered_recursive_call is set.
4514 (ipa_early_sra): Bail out either if
4515 !all_callers_have_enough_arguments_p or
4516 encountered_unchangable_recursive_call.
4518 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4520 * sel-sched.c: Add 2010 to copyright years.
4521 * sel-sched-ir.c: Likewise.
4522 * sel-sched-ir.h: Likewise.
4524 2010-01-14 Martin Jambor <mjambor@suse.cz>
4526 PR tree-optimization/42714
4527 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
4528 constructors specially.
4530 2010-01-14 Andi Kleen <ak@linux.intel.com>
4532 * config/i386/drivers-i386.c (detect_caches_intel):
4533 Add l2sizekb parameter and fill in.
4534 (host_detect_local_cpu): Add l2sizekb, fill in.
4535 Add Atom small cache heuristic.
4537 2010-01-14 Andi Kleen <ak@linux.intel.com>
4539 * config/i386/drivers-i386.c (detect_caches_cpuid4):
4540 Add level3 parameter and fill in.
4541 (detect_caches_intel): Handle level3 cache.
4543 2010-01-14 Andi Kleen <ak@linux.intel.com>
4545 * config/i386/drivers-i386.c (host_detect_local_cpu):
4546 Fix core duo detection.
4548 2010-01-14 Andi Kleen <ak@linux.intel.com>
4550 * config/i386/drivers-i386.c (host_detect_local_cpu):
4553 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4555 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
4556 (rs6000_variable_issue_1): this. Use...
4557 (rs6000_variable_issue): here. Reimplement. Print debug info.
4559 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4561 * sel-sched-ir.c (sel_restore_other_notes): Rename to
4562 sel_restore_notes. Update all callers. Call reemit_notes
4565 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4567 PR rtl-optimization/42246
4568 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
4571 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4573 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
4574 all successors is the same as number of successors in current region.
4576 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4578 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
4579 to rename is not separable. Otherwise check that its LHS is not NULL.
4581 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4583 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
4585 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4587 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
4588 available registers when failed to discover LHS register class.
4589 Fix indentation. Update comment.
4591 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4592 Alexander Monakov <amonakov@ispras.ru>
4594 PR rtl-optimization/42389
4595 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
4597 (advance_state_on_fence): Likewise.
4598 (sel_target_adjust_priority): Print debug output only when
4599 sched_verbose >= 4, not 2.
4600 (get_expr_cost): Do not issue all unique insns on the next cycle.
4601 (fill_insns): Initialize can_issue_more from the value saved
4603 * sel-sched-ir.c (flist_add): New parameter issue_more.
4604 Init FENCE_ISSUE_MORE with it.
4605 (merge_fences): Likewise.
4606 (init_fences): Update call to flist_add.
4607 (add_to_fences, add_clean_fence_to_fences)
4608 (add_dirty_fence_to_fences): Likewise.
4609 (move_fence_to_fences): Update call to merge_fences.
4610 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
4612 * sel-sched-ir.h (struct _fence): New field issue_more.
4613 (FENCE_ISSUE_MORE): New accessor macro.
4615 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4617 PR rtl-optimization/42388
4618 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
4619 that have no predecessors nor successors. Do not call move_bb_info
4620 for empty blocks outside of current region.
4622 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4624 PR rtl-optimization/42294
4625 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
4626 * sel-sched.c (move_exprs_to_boundary): Transitively add all
4627 originators' originators.
4629 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4631 PR rtl-optimization/39453
4632 PR rtl-optimization/42246
4633 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
4635 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
4637 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4638 Alexander Monakov <amonakov@ispras.ru>
4641 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
4642 (maybe_tidy_empty_bb): ... here. Make static. Add new
4643 argument. Update all callers.
4644 (tidy_control_flow): ... and here. Recompute topological order
4645 of basic blocks in region if necessary.
4646 (sel_redirect_edge_and_branch): Change return type. Return true
4647 if topological order might have been invalidated.
4648 (purge_empty_blocks): Export and move from...
4649 * sel-sched.c (purge_empty_blocks): ... here.
4650 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
4651 (maybe_tidy_empty_bb): Delete prototype.
4652 (purge_empty_blocks): Declare.
4654 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4656 PR rtl-optimization/42249
4657 * sel-sched.c (try_replace_dest_reg): When chosen register
4658 and original register is the same, do not bail out early, but
4659 still check all original insns for validity of replacing destination
4660 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
4663 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4666 Port from no-undefined-overflow branch:
4667 2009-03-09 Richard Guenther <rguenther@suse.de>
4669 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
4671 2010-01-14 Richard Guenther <rguenther@suse.de>
4674 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
4676 2010-01-14 Ira Rosen <irar@il.ibm.com>
4678 PR tree-optimization/42709
4679 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
4680 as scalar type in creation of constant vector operand.
4682 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4685 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
4686 (check-parallel-%): Match `testsuite' directory component only
4689 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
4691 PR translation/39521
4692 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
4695 2010-01-13 Richard Guenther <rguenther@suse.de>
4697 PR tree-optimization/42730
4698 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
4701 2010-01-13 Steve Ellcey <sje@cup.hp.com>
4704 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
4705 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
4708 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
4710 * config/bfin/libgcc-bfin.ver: Regenerate based on current
4711 libgcc-std.ver. Add entries for ___smulsi3_highpart and
4712 ___umulsi3_highpart.
4714 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
4715 rather than schedule_insns if the pass is enabled.
4717 2010-01-13 Martin Jambor <mjambor@suse.cz>
4719 PR tree-optimization/42704
4720 * tree-sra.c (sra_modify_assign): Do not delete assignments to
4723 2010-01-13 Martin Jambor <mjambor@suse.cz>
4725 PR tree-optimization/42703
4726 * tree-sra.c (analyze_access_subtree): Check that we can build a
4727 reference to the original data within the aggregate.
4729 2010-01-13 Richard Guenther <rguenther@suse.de>
4731 PR tree-optimization/42705
4732 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
4734 2010-01-13 Richard Guenther <rguenther@suse.de>
4737 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
4739 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4742 * var-tracking.c (values_to_unmark): New variable.
4743 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4744 values_to_unmark vector. Moved body to...
4745 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4746 instead queue it into values_to_unmark vector.
4747 (vt_find_locations): Free values_to_unmark vector.
4749 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
4751 * config/s390/s390.c (override_options): Set
4752 default of max-pending-list-length to 256
4754 2010-01-13 Richard Guenther <rguenther@suse.de>
4757 * tree-pass.h (PROP_gimple_lcx): New.
4758 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
4759 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
4760 before the final cleanup_eh.
4761 (dump_properties): Dump PROP_gimple_lcx.
4762 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
4763 (tree_lower_complex_O0): Remove.
4764 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
4765 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
4766 tree_lower_complex, schedule TODO_update_ssa.
4767 * lto-streamer-out.c (output_function): Stream the functions
4769 * lto-streamer-in.c (input_function): Likewise.
4770 (lto_read_body): Do not override them here.
4772 2010-01-12 Joseph Myers <joseph@codesourcery.com>
4775 * c-typeck.c (build_c_cast): Fold value cast to union type before
4776 wrapping it in a CONSTRUCTOR.
4778 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4780 PR rtl-optimization/42699
4781 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
4784 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4786 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4787 SUBTARGET_WARN_UNUSED_SPEC): Move ...
4788 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4789 SUBTARGET_WARN_UNUSED_SPEC): ... here
4790 * config/mips/iris5.h (LIBGCC_SPEC): Define.
4792 2010-01-12 Julian Brown <julian@codesourcery.com>
4794 * config/arm/neon-schedgen.ml (Utils): Don't try to
4795 open missing module.
4796 (find_with_result): New.
4798 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4801 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
4802 sharing when canonicalizing ({lt,ge}u (plus a b) b).
4804 PR tree-optimization/42645
4805 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
4806 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
4807 decl_map, set processing_debug_stmt to -1 and return name without
4810 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
4812 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
4813 binutils version, and reword target configuration description.
4815 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4817 * config/avr/avr.h (LINKER_NAME): Remove.
4819 2010-01-11 Janis Johnson <janis187@us.ibm.com>
4822 * config/rs6000/rs6000.c (rs6000_override_options): On targets
4823 that support VSX, warn for -mno-altivec if vsx is not disabled,
4826 2010-01-11 Joseph Myers <joseph@codesourcery.com>
4827 Shujing Zhao <pearly.zhao@oracle.com>
4829 PR translation/42469
4830 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
4831 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
4832 character between option name and help text.
4833 * c.opt (imultilib): Likewise.
4835 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
4837 * lto-streamer-out.c (output_unreferenced_globals): Output static
4840 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
4842 PR rtl-optimization/42621
4843 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
4844 optimizing for size.
4845 (duplicate_computed_gotos): Remove now-redundant check.
4847 2010-01-10 Steve Ellcey <sje@cup.hp.com>
4850 * configure.ac: Save and restore LDFLAGS and LIBS
4851 * configure: Regenerate.
4853 2010-01-10 Richard Guenther <rguenther@suse.de>
4856 * builtins.c (fold_builtin_strlen): Add type argument and
4857 convert the resulting length to it.
4858 (fold_builtin_1): Adjust.
4860 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4862 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
4863 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
4865 (num_insns_constant_wide): Adjust for that change.
4867 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4870 * web.c (union_defs): Add used argument, to combine uses of
4872 (entry_register): Adjust type and tests of used argument.
4873 (web_main): Widen used for new use. Pass it to union_defs.
4874 * df.h (union_defs): Adjust prototype.
4876 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4879 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
4880 uses in new incoming argument. Free body.
4881 (reset_debug_uses_in_loop): New.
4882 (analyze_insn_to_expand_var): Call the latter if the former found
4883 anything. Fix whitespace. Reject invalid dest overlaps before
4884 going through all insns in the loop.
4886 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4889 * haifa-sched.c (dying_use_p): Debug insns don't count.
4891 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4894 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
4895 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
4896 (verify_gimple_call): Reject LHS in noreturn calls.
4898 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4902 * tree-vect-loop-manip.c (adjust_info): New type.
4903 (adjust_vec): New pointer to vector.
4904 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
4905 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
4906 (slpeel_update_phis_for_duplicate_loop): Use them.
4907 (slpeel_update_phi_nodes_for_guard1): Likewise.
4908 (slpeel_update_phi_nodes_for_guard2): Likewise.
4909 (slpeel_tree_peel_loop_to_edge): Likewise.
4910 (vect_update_ivs_after_vectorizer): Likewise.
4912 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4914 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
4915 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
4917 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4919 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
4920 bogus uninitialized warning.
4922 2010-01-09 Richard Guenther <rguenther@suse.de>
4925 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
4926 the evolution is compatible with the initial condition.
4928 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4930 * gcc.c (process_command): Update copyright notice dates.
4931 * gcov.c (print_version): Likewise.
4932 * gcov-dump.c (print_version): Likewise.
4933 * mips-tfile.c (main): Likewise.
4934 * mips-tdump.c (main): Likewise.
4936 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4939 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
4941 (rotlhi3_8): Delete.
4943 (rotlsi3_8): Delete.
4944 (rotlsi3_16): Delete.
4945 (rotlsi3_24): Delete.
4947 (*rotw<mode>3): New.
4948 (*rotb<mode>3): New.
4949 * config/avr/avr.c (avr_rotate_bytes): New function.
4950 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
4952 2010-01-08 Steve Ellcey <sje@cup.hp.com>
4955 * configure.ac: Modify -rdynamic check.
4956 * configure: Regenerate.
4958 2010-01-08 DJ Delorie <dj@redhat.com>
4960 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
4961 register popping order.
4963 2010-01-08 Richard Guenther <rguenther@suse.de>
4966 * c.opt (fsigned-char): Also let LTO handle this option.
4967 (funsigned-char): Likewise.
4969 2010-01-07 Richard Guenther <rguenther@suse.de>
4971 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
4972 (gimple_op): Likewise.
4973 (gimple_op_ptr): Likewise.
4974 (gimple_assign_set_lhs): Remove gcc_assert.
4975 (gimple_assign_set_rhs1): Likewise.
4976 (gimple_assign_set_rhs2): Likewise.
4977 (gimple_call_set_lhs): Likewise.
4978 (gimple_call_set_fn): Likewise.
4979 (gimple_call_set_fndecl): Likewise.
4980 (gimple_call_fndecl): Likewise.
4981 (gimple_call_return_type): Likewise.
4982 (gimple_call_set_chain): Likewise.
4983 (gimple_call_num_args): Likewise.
4984 (gimple_call_set_arg): Likewise.
4985 (gimple_cond_set_code): Likewise.
4986 (gimple_cond_set_lhs): Likewise.
4987 (gimple_cond_set_rhs): Likewise.
4988 (gimple_cond_set_true_label): Likewise.
4989 (gimple_cond_set_false_label): Likewise.
4990 (gimple_label_set_label): Likewise.
4991 (gimple_goto_set_dest): Likewise.
4992 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
4993 (gimple_debug_bind_get_value): Likewise.
4994 (gimple_debug_bind_get_value_ptr): Likewise.
4995 (gimple_debug_bind_set_var): Likewise.
4996 (gimple_debug_bind_set_value): Likewise.
4997 (gimple_debug_bind_reset_value): Likewise.
4998 (gimple_debug_bind_has_value_p): Likewise.
4999 (gimple_return_retval_ptr): Remove gcc_assert.
5000 (gimple_return_retval): Likewise.
5001 (gimple_return_set_retval): Likewise.
5002 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
5003 (safe_referenced_var_iterator): Remove.
5004 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
5005 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
5006 (fill_referenced_var_vec): Remove.
5007 (first_readonly_imm_use): Remove redundant gcc_assert.
5008 (phi_arg_index_from_use): Combine gcc_asserts.
5009 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
5010 (first_imm_use_stmt): Remove redundant gcc_assert.
5011 * tree-cfg.c (verify_gimple_call): Verify function and chain
5012 operands. Verify arguments.
5013 (verify_types_in_gimple_stmt): Verify condition code and labels.
5015 2010-01-07 Richard Guenther <rguenther@suse.de>
5017 PR tree-optimization/42641
5018 * sese.c (rename_map_elt_info): Use the SSA name version, do
5021 2010-01-07 Jakub Jelinek <jakub@redhat.com>
5023 PR tree-optimization/42625
5024 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
5025 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
5027 2010-01-07 Duncan Sands <baldrick@free.fr>
5029 * Makefile.in (PLUGIN_HEADERS): Add version.h.
5031 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
5034 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
5035 note itself is not function_invariant_p.
5037 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
5039 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
5040 Do not add the DF_NOTE problem.
5041 * store-motion.c (execute_rtl_store_motion): Likewise.
5043 2010-01-07 Martin Jambor <mjambor@suse.cz>
5045 PR tree-optimization/42157
5046 * tree-sra.c (compare_access_positions): Stabilize sort if both
5047 accesses have integer types, return zero immediately if they are the
5050 2010-01-06 Richard Henderson <rth@redhat.com>
5053 * haifa-sched.c (add_to_note_list): Merge into ...
5054 (concat_note_lists): ... here, and ...
5055 (unlink_other_notes, rm_other_notes): Merge into...
5056 (remove_notes): ... here. Create REG_SAVE_NOTEs for
5057 NOTE_INSN_EPILOGUE_BEG.
5059 2010-01-06 Richard Guenther <rguenther@suse.de>
5061 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
5062 not inline regular functions into always-inline functions.
5064 2010-01-06 Nick Clifton <nickc@redhat.com>
5066 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
5067 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
5069 (OVERRIDE_OPTIONS): Delete.
5070 (OPTIMIZATION_OPTIONS): Define.
5071 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
5072 * config/rx/rx.c (rx_handle_option): Issue an error message if
5073 -mcpu=rx200 and -fpu are used together.
5074 (rx_set_optimization_options): New function. Issue an error
5075 message if an optimization attribute attempts to reset the FPU/
5076 math optimization pairing.
5077 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
5078 * config/rx/rx.opt: Set the default to 32-bit doubles.
5079 * config/rx/t-rx: Add multilibs for -nofpu option.
5080 * doc/invoke.texi: Update documentation of RX options.
5082 2010-01-06 Richard Guenther <rguenther@suse.de>
5084 * tree-ssa-pre.c (name_to_id): New global.
5085 (alloc_expression_id): Simplify SSA name handling.
5086 (lookup_expression_id): Likewise.
5087 (init_pre): Zero name_to_id.
5088 (fini_pre): Free it.
5090 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
5092 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
5094 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
5097 * config/i386/sse.md (smaxv2di3): New.
5098 (umaxv2di3): Likewise.
5099 (sminv2di3): Likewise.
5100 (uminv2di3): Likewise.
5102 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
5105 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
5106 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
5107 (legitimize_tls_address): Likewise.
5108 (sparc_tls_referenced_p): Likewise.
5109 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
5110 and adjust calls to legitimize_pic_address.
5111 (legitimate_constant_p) Use sparc_tls_referenced_p.
5112 (legitimate_pic_operand_p): Likewise.
5113 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
5114 (sparc_tls_symbol_ref_1): Delete.
5115 (sparc_tls_referenced_p): Make static, recognize specific patterns.
5116 (legitimize_tls_address): Make static, handle CONST patterns.
5117 (legitimize_pic_address): Make static, remove unused parameter and
5118 adjust recursive calls.
5119 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
5120 and adjust call to legitimize_pic_address.
5121 (sparc_output_mi_thunk): Likewise.
5123 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
5124 H.J. Lu <hongjiu.lu@intel.com>
5127 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
5128 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
5129 operands to make them signed.
5132 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5135 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
5136 GTU to GT for V4SI and V2DI.
5138 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
5139 (umin<mode>3): Removed.
5141 (uminv4si3): Likewise.
5143 2010-01-05 Martin Jambor <mjambor@suse.cz>
5145 PR tree-optimization/42462
5146 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
5147 current_function_decl to helper functions and macros.
5149 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5152 * flags.h: Don't include real.h.
5153 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
5154 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
5155 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
5156 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
5157 * dominance.c: Update copyright.
5158 * gimple.c (walk_gimple_op): Remove inline.
5159 * tree-ssa-reassoc.c: Include real.h.
5160 * Makefile.in (FLAGS_H): Remove $(REAL_H).
5161 (tree-ssa-reassoc.o): Depend on $(REAL_H).
5163 2010-01-05 Nick Clifton <nickc@redhat.com>
5165 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
5166 register to push into the stack frame when the accumulator has to
5167 be saved during interrupts.
5169 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
5171 * doc/invoke.texi: Remove the documentation about option
5173 * common.opt (Wunreachable-code): Preserved for backward
5175 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
5176 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
5177 the backward compatibility flag section.
5179 2010-01-05 Richard Guenther <rguenther@suse.de>
5181 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
5183 2010-01-05 Jakub Jelinek <jakub@redhat.com>
5186 * cfgexpand.c (expand_one_var): Diagnose too large variables.
5188 PR tree-optimization/42508
5189 * tree-sra.c (convert_callers): Check for recursive call
5190 by comparing cgraph nodes instead of decls.
5191 (modify_function): Call ipa_modify_formal_parameters also
5192 on all same_body aliases.
5194 * cgraphunit.c (cgraph_materialize_all_clones): Compare
5195 cgraph nodes when checking for same_body aliases.
5197 2010-01-05 Richard Guenther <rguenther@suse.de>
5199 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
5200 allocation and lookup.
5201 (get_or_alloc_expr_for_constant): Likewise.
5202 (phi_translate): Sink allocation.
5204 2010-01-04 Richard Guenther <rguenther@suse.de>
5206 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
5207 a new entry only if needed.
5208 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
5209 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
5211 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
5213 (phi_translate): Handle CONSTANTs early.
5215 2010-01-04 Martin Jambor <mjambor@suse.cz>
5217 PR tree-optimization/42398
5218 * tree-sra.c (struct access): Removed flag grp_different_types.
5219 (dump_access): Do not dump the removed flag.
5220 (sort_and_splice_var_accesses): Do not set the removed flag.
5221 (sra_modify_expr): Check for type compatibility directly.
5223 2010-01-04 Martin Jambor <mjambor@suse.cz>
5225 PR tree-optimization/42366
5226 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
5227 edges with variable number of parameters.
5228 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
5229 flag instead of asserting it.
5230 (ipa_read_node_info): Read uses_analysis_done flag.
5232 2010-01-04 Richard Guenther <rguenther@suse.de>
5234 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
5235 iterative_hash_* as intended.
5236 (vn_reference_compute_hash): Likewise. Simplify hashing
5238 (vn_reference_lookup_2): Likewise.
5239 (vn_nary_op_compute_hash): Likewise.
5240 (vn_phi_compute_hash): Likewise.
5241 (expressions_equal_p): Remove strange code.
5242 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
5243 (pre_expr_hash): Likewise. Simplify hashing SSA names.
5244 (bitmap_insert_into_set_1): Take value-id as parameter.
5245 (add_to_value): Pass it.
5246 (bitmap_insert_into_set): Likewise.
5247 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
5249 2010-01-04 Jakub Jelinek <jakub@redhat.com>
5252 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
5253 (do_self_spec): For switches with SWITCH_IGNORE set set also
5254 SWITCH_IGNORE_PERMANENTLY.
5255 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
5258 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
5260 * lto-streamer-out.c (output_unreferenced_globals): Output the full
5261 tree of an unreferenced global var.
5263 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5266 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
5267 GTU to GT for V4SI and V2DI.
5269 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
5270 (umin<mode>3): Removed.
5272 (uminv4si3): Likewise.
5274 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5277 * collect2.c (main): Turn on trace in collect2 if -v is passed
5280 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
5282 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
5283 description of expression operand.
5285 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
5287 * configure.ac: Add install-html to target_list for Make-hooks.
5288 * configure: Regenerate.
5289 * fortran/Make-lang.in (F95_HTMLFILES): New.
5290 (fortran.html): Use it.
5291 (fortran.install-html): New.
5292 * Makefile.in (install-html): Add lang.install-html.
5293 * java/Make-lang.in (JAVA_HTMLFILES): New.
5294 (java.html): Use it.
5295 (java.install-html): New.
5296 * objc/Make-lang.in (objc.install-html): New.
5297 * objcp/Make-lang.in (obj-c++.install-html): New.
5298 * cp/Make-lang.in (c++.install-html): New.
5299 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
5300 * lto/Make-lang.in (lto.install-html): New.
5302 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
5305 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
5307 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
5309 PR rtl-optimization/41862
5310 * store-motion.c (store_killed_in_insn, compute_store_table,
5311 remove_reachable_equiv_notes, replace_store_insn,
5312 build_store_vectors): Ignore all DEBUG_INSNs.
5314 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
5317 * common.opt: Add dumpdir.
5319 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
5321 (option_map): Add --dumpdir.
5323 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
5325 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
5327 * opts.c (decode_options): Try dump_dir_name first if
5328 dump_base_name isn't an absolute path.
5329 (common_handle_option): Handle OPT_dumpdir.
5331 * toplev.c (dump_dir_name): New.
5332 (print_switch_values): Also ignore -dumpdir.
5334 * toplev.h (dump_dir_name): New.
5336 2010-01-03 Richard Guenther <rguenther@suse.de>
5338 PR tree-optimization/42589
5339 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
5340 double-word expansion of bswap32.
5342 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
5344 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
5345 with BLOCK_FOR_INSN.
5346 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
5347 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
5348 noce_process_if_block): Likewise.
5349 * gcse.c (compute_local_properties, insert_expr_in_table,
5350 insert_set_in_table, canon_list_insert, find_avail_set,
5351 pre_insert_copy_insn): Likewise.
5353 * basic-block.h (BLOCK_NUM): Move from here...
5354 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
5356 2010-01-03 Richard Guenther <rguenther@suse.de>
5358 PR tree-optimization/42438
5359 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
5360 contains_may_not_return_call flag.
5361 (BB_MAY_NOTRETURN): New.
5362 (valid_in_sets): Trapping nary operations are not valid
5363 in blocks that may not return.
5364 (insert_into_preds_of_block): Remove check for trapping expressions.
5365 (compute_avail): Compute also BB_MAY_NOTRETURN.
5367 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
5369 * doc/invoke.texi: Add 2010 to copyright years.
5371 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
5373 * config/sparc/sparc.c: Fix formatting nits.
5375 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
5376 Alexander Monakov <amonakov@ispras.ru>
5378 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
5380 2010-01-02 Richard Guenther <rguenther@suse.de>
5383 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
5384 (simplify_switch_using_ranges): Mark to be removed edges
5387 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5389 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5391 * collect2.c (scan_libraries): Add missing argument in call to
5394 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
5397 * config/alpha/predicates.md (aligned_memory_operand): Return false
5399 (unaligned_memory_operand): Return true for CQImode.
5400 * config/alpha/alpha.c (get_aligned_mem): Assert that location
5401 doesn not cross aligned SImode word boundary.
5403 2010-01-02 Anatoly Sokolov <aesok@post.ru>
5405 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
5407 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
5408 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
5410 2010-01-02 Richard Guenther <rguenther@suse.de>
5413 * toplev.c (compile_file): Emit LTO marker properly. Change
5415 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
5417 2010-01-01 Richard Guenther <rguenther@suse.de>
5420 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
5422 2010-01-01 Richard Guenther <rguenther@suse.de>
5425 * c-decl.c (grokdeclarator): For zero-size arrays force
5426 structural equality checks as layout_type does.
5428 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
5430 * builtins.c: Update copyright to 2010.
5432 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
5435 * lto-streamer-out.c (produce_asm): Revert the last change.
5436 (copy_function): Likewise.
5438 * lto-streamer.c (lto_get_section_name): Skip any leading
5441 2010-01-01 Richard Guenther <rguenther@suse.de>
5444 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
5448 Copyright (C) 2010 Free Software Foundation, Inc.
5450 Copying and distribution of this file, with or without modification,
5451 are permitted in any medium without royalty provided the copyright
5452 notice and this notice are preserved.