1 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (DWI): New mode iterator.
4 (S): New mode attribute.
5 (shift_operand): Ditto.
6 (shift_immediate_operand): Ditto.
7 (ashl_input_operand): Ditto.
8 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
9 using SDWIM mode iterator.
10 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
11 pattern from *ashl{di,ti}3_1 and corresponding splitters using
13 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
14 from corresponding peephole2 patterns.
15 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
16 and x86_64_shift_adj_1 using SWI48 mode iterator.
17 (x86_shift<mode>_adj_2): Ditto.
18 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
19 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
20 using SWI48 mode iterator.
21 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
22 *ashldi3_cmp_rex64 using SWI mode iterator.
23 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
24 *ashldi3_cconly_rex64 using SWI mode iterator.
25 * config/i386/i386.c (ix86_split_ashl): Update for renamed
26 x86_shift<mode>_adj_{1,2}.
27 (ix86_split_ashr): Ditto.
28 (ix86_split_lshr): Ditto.
30 2010-04-09 Richard Guenther <rguenther@suse.de>
32 * target.h (builtin_conversion): Pass in input and output types.
33 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
34 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
35 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
36 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
38 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
40 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
42 2010-04-09 Richard Guenther <rguenther@suse.de>
45 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
47 2010-04-09 Richard Guenther <rguenther@suse.de>
49 * tree-vectorizer.h (struct _stmt_vec_info): Document
50 that vectype is the type of the LHS.
51 (supportable_widening_operation, supportable_narrowing_operation):
52 Get both input and output vector types as arguments.
53 (vect_is_simple_use_1): Declare.
54 (get_same_sized_vectype): Likewise.
55 * tree-vect-loop.c (vect_determine_vectorization_factor):
56 Set STMT_VINFO_VECTYPE to the vector type of the def.
57 (vectorizable_reduction): Adjust.
58 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
59 Adjust. Specify the output vector type.
60 (vect_pattern_recog_1): Adjust.
61 * tree-vect-stmts.c (get_same_sized_vectype): New function.
62 (vectorizable_call): Adjust.
63 (vectorizable_conversion): Likewise.
64 (vectorizable_operation): Likewise.
65 (vectorizable_type_demotion): Likewise.
66 (vectorizable_type_promotion): Likewise.
67 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
69 (vect_is_simple_use_1): New function.
70 (supportable_widening_operation): Get both input and output
72 (supportable_narrowing_operation): Likewise.
73 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
75 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
77 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
78 __thiscall and _thiscall as predefined macros.
79 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
80 thiscall attribute handling.
81 (ix86_comp_type_attributes): Likewise.
82 (ix86_function_regparm): Likewise.
83 (ix86_return_pops_args): Likewise.
84 (init_cumulative_args): Likewise.
85 (find_drap_reg): Likewise.
86 (ix86_static_chain): Likewise.
87 (x86_this_parameter): Likewise.
88 (x86_output_mi_thunk): Likewise.
89 (ix86_attribute_table): Add description for thiscall attribute.
90 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
91 * doc/extend.texi: Add documentation for thiscall.
93 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
96 * c.opt (Wint-to-pointer-cast): Available in C++.
97 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
99 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
101 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
102 * calls.c (expand_call): Pass the function type to aggregate_value_p.
103 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
104 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
105 function type instead. Reorder and simplify checks.
107 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
109 2010-04-08 Jing Yu <jingyu@google.com>
110 Zdenek Dvorak <ook@ucw.cz>
112 PR tree-optimization/42720
113 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
114 loop unswitch conditions here from ...
115 (tree_unswitch_single_loop): ... here.
117 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
119 * tree-if-conv.c: Fix comments and simplify logic.
121 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
123 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
124 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
125 (main_tree_if_conversion): Update call to tree_if_conversion.
127 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
130 * doc/invoke.texi (-b,-V): Delete.
131 * doc/tm.texi: Do not mention -b.
132 * gcc.c (display_help): Delete -b and -V.
133 (process_command): Delete -b and -V.
134 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
136 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
137 Wolfgang Gellerich <gellerich@de.ibm.com>
139 Implement target hook for loop unrolling
140 * target.h (loop_unroll_adjust): Add a new target hook function.
141 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
142 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
143 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
144 (s390_loop_unroll_adjust): Implement the new target hook for s390.
145 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
147 (decide_unroll_stupid): Likewise.
149 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
152 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
154 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
156 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
157 (Specific, *-*-solaris2*): Likewise.
158 Don't prefer Sun as over GNU as.
160 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
162 * config/s390/s390.c (override_options): Adjust the z10
163 defaults for max-unroll-times, max-completely-peeled-insns
164 and max-completely-peel-times.
166 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
168 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
169 instructions for z10.
170 (s390_expand_setmem): Likewise.
171 (s390_expand_cmpmem): Likewise.
173 2010-04-08 Richard Guenther <rguenther@suse.de>
175 PR tree-optimization/43679
176 * tree-ssa-pre.c (eliminate): Only propagate copies.
178 2010-04-08 Jakub Jelinek <jakub@redhat.com>
181 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
182 set but not used variable warning.
184 2010-04-08 Wei Guozhi <carrot@google.com>
187 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
188 (arm_size_rtx_costs): Call the new function when optimized for size.
190 2010-04-08 Jakub Jelinek <jakub@redhat.com>
193 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
194 op0 is not a MEM, just return NULL instead of assertion
196 (discover_nonconstant_array_refs): Don't walk debug stmts.
198 2010-04-08 Doug Kwan <dougkwan@google.com>
200 * configure.ac: Recognize gold and do not use its version number
202 * configure: Regenerate.
204 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
207 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
208 (negate_value): Move code to push elements to broken_up_substracts ...
209 (eliminate_plus_minus_pair): ... here. Push operands that have no
210 negative pair to plus_negates.
211 (repropagate_negates, init_reassoc, fini_reassoc): Update.
213 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
215 * doc/install.texi (Configuration): Move description of
216 --enable-lto, --with-libelf*, --enable-gold from Java section to
219 * doc/generic.texi (Working with declarations)
220 (Function Properties, C and C++ Trees): Fix typos.
221 * doc/sourcebuild.texi (Top Level): Likewise.
223 2010-04-07 Jakub Jelinek <jakub@redhat.com>
226 * tree.h (DECL_READ_P): Define.
227 (struct tree_decl_common): Add decl_read_flag.
228 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
229 a set but not used warning.
230 (merge_decls): Merge DECL_READ_P flag.
231 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
232 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
233 * c-common.c (handle_used_attribute, handle_unused_attribute):
235 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
237 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
239 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
240 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
241 c_parser_binary_expression, c_parser_cast_expression,
242 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
243 Call default_function_array_read_conversion instead of
244 default_function_array_conversion where needed.
245 (c_parser_unary_expression, c_parser_conditional_expression,
246 c_parser_postfix_expression_after_primary, c_parser_initelt):
247 Likewise. Call mark_exp_read where needed.
248 (c_parser_statement_after_labels, c_parser_asm_operands,
249 c_parser_typeof_specifier, c_parser_sizeof_expression,
250 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
252 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
254 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
255 (warn_unused_but_set_parameter): Default to warn_unused
257 * doc/invoke.texi: Document -Wunused-but-set-variable and
258 -Wunused-but-set-parameter.
260 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
262 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
263 when operandN variables aren't used in the body of the expander
265 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
266 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
267 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
268 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
269 FOR_EACH_IMM_USE_ON_STMT): Likewise.
270 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
271 * tree.c (PROCESS_ARG): Likewise.
273 2010-04-07 Simon Baldwin <simonb@google.com>
275 * diagnostic.h (diagnostic_override_option_index): New macro to
276 set a diagnostic's option_index.
277 * c-tree.h (c_cpp_error): Add warning reason argument.
278 * opts.c (_warning_as_error_callback): New.
279 (register_warning_as_error_callback): Store callback for
280 warnings enabled via enable_warning_as_error.
281 (enable_warning_as_error): Call callback, minor code tidy.
282 * opts.h (register_warning_as_error_callback): Declare.
283 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
284 response to -Werror=.
285 (c_common_init_options): Register warning_as_error_callback in opts.c.
286 * common.opt: Add -Wno-cpp option.
287 * c-common.c (struct reason_option_codes_t): Map cpp warning
288 reason codes to gcc option indexes.
289 * (c_option_controlling_cpp_error): New function, lookup the gcc
290 option index for a cpp warning reason code.
291 * (c_cpp_error): Add warning reason argument, call
292 c_option_controlling_cpp_error for diagnostic_override_option_index.
293 * doc/invoke.texi: Document -Wno-cpp.
295 2010-04-07 Richard Guenther <rguenther@suse.de>
297 * ipa-reference.c (mark_load): Use get_base_address.
298 (mark_store): Likewise.
300 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
301 inserting GIMPLE_NOPs into the IL.
302 * tree-ssa-structalias.c (get_constraint_for_component_ref):
303 Explicitly strip handled components and indirect references.
305 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
306 folding address expressions.
307 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
308 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
309 operand_equal_p to compare decls.
310 (ptr_deref_may_alias_decl_p): Likewise.
311 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
312 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
313 Handle reversed comparison ops.
314 * tree-sra.c (asm_visit_addr): Use get_base_address.
315 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
316 * ipa-reference.c (mark_address): Use get_base_address.
318 2010-04-07 Richard Guenther <rguenther@suse.de>
320 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
321 Propagate constants everywhere.
323 2010-04-07 Jakub Jelinek <jakub@redhat.com>
326 * tree.c (MAX_INT_CACHED_PREC): Define.
327 (nonstandard_integer_type_cache): New array.
328 (build_nonstandard_integer_type): Cache results for precision
329 <= MAX_INT_CACHED_PREC.
331 2010-04-07 Richard Guenther <rguenther@suse.de>
333 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
334 -fargument-noalias-global, -fargument-noalias-anything): Remove.
335 * common.opt: Likewise.
336 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
337 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
338 (nonoverlapping_memrefs_p): Likewise.
339 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
340 * opts.c (common_handle_option): Handle OPT_fargument_alias,
341 OPT_fargument_noalias, OPT_fargument_noalias_anything and
342 OPT_fargument_noalias_global for backward compatibility.
344 2010-04-07 Richard Guenther <rguenther@suse.de>
346 PR tree-optimization/43270
347 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
348 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
349 * tree-ssa-pre.c (phi_translate_1): Adjust.
350 (fully_constant_expression): Split out vn_reference handling to ...
351 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
352 Fold reads from constant strings.
353 (vn_reference_lookup): Handle fully constant references.
354 (vn_reference_lookup_pieces): Likewise.
355 * Makefile.in (expmed.o-warn): Add -Wno-error.
357 2010-04-07 Martin Jambor <mjambor@suse.cz>
359 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
361 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
364 * gcc.c: Add -static-libstdc++ to list of recognized options.
366 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
368 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
370 2010-04-07 Richard Guenther <rguenther@suse.de>
373 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
374 bases build simple mem attributes to retain points-to information.
376 2010-04-07 Richard Guenther <rguenther@suse.de>
379 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
380 preserve points-to related information.
382 2010-04-07 Richard Guenther <rguenther@suse.de>
385 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
386 discard plain indirect references.
387 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
388 * tree.c (tree_nop_conversion): Likewise.
390 2010-04-07 Dodji Seketeli <dodji@redhat.com>
393 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
395 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
397 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
398 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
400 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
402 * tree-if-conv.c: Fix indentation and comments.
404 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
406 * tree-if-conv.c: Sort static functions in topological order.
408 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
410 * tree-if-conv.c: Fix indentation and comments.
412 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
415 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
416 lang_hooks.types.type_for_size instead of
417 build_nonstandard_integer_type.
418 When converting an unsigned type to signed, double its precision.
419 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
420 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
421 (graphite_create_new_loop_guard): When ub + 1 wraps around,
424 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
427 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
428 POINTER_PLUS_EXPR for pointer types.
430 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
433 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
434 * graphite-clast-to-gimple.c: Include langhooks.h.
435 (max_signed_precision_type): New.
436 (max_precision_type): Takes two types as arguments.
437 (precision_for_value): New.
438 (precision_for_interval): New.
439 (gcc_type_for_interval): New.
440 (gcc_type_for_value): New.
441 (gcc_type_for_clast_term): New.
442 (gcc_type_for_clast_red): New.
443 (gcc_type_for_clast_bin): New.
444 (gcc_type_for_clast_expr): Split up into several functions.
445 (gcc_type_for_clast_eq): Rewritten.
446 (compute_bounds_for_level): New.
447 (compute_type_for_level_1): New.
448 (compute_type_for_level): New.
449 (gcc_type_for_cloog_iv): Removed.
450 (gcc_type_for_iv_of_clast_loop): Rewritten.
451 (graphite_create_new_loop): Compute the lower and upper bound types
452 with gcc_type_for_clast_expr.
453 (graphite_create_new_loop_guard): Same.
454 (find_cloog_iv_in_expr): Removed.
455 (compute_cloog_iv_types_1): Removed.
456 (compute_cloog_iv_types): Removed.
457 (gloog): Do not call compute_cloog_iv_types.
458 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
460 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
461 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
462 (GBB_CLOOG_IV_TYPES): Removed.
464 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
466 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
467 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
468 (detect_commutative_reduction): Same.
470 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
472 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
473 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
475 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
476 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
477 (rewrite_commutative_reductions_out_of_ssa): Same.
478 * passes.c (execute_function_todo): Call verify_ssa for every pass
479 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
480 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
481 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
482 with an extra argument.
483 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
484 verify_ssa only when the extra argument is true.
485 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
486 with an extra argument.
487 (tree_transform_and_unroll_loop): Same.
489 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
491 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
492 for all the passes of the LNO having LOOP_CLOSED_SSA.
493 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
494 * tree-loop-distribution.c (pass_loop_distribution): Same.
495 * tree-pass.h (TODO_verify_loops): Removed.
496 * tree-ssa-loop.c (pass_tree_loop_init): Same.
498 (pass_tree_unswitch): Same.
499 (pass_predcom): Same.
500 (pass_vectorize): Same.
501 (pass_linear_transform): Same.
502 (pass_graphite_transforms): Same.
503 (pass_iv_canon): Same.
504 (pass_complete_unroll): Same.
505 (pass_complete_unrolli): Same.
506 (pass_parallelize_loops): Same.
507 (pass_loop_prefetch): Same.
508 (pass_iv_optimize): Same.
510 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
513 * passes.c (init_optimization_passes): Move pass_lim before
514 pass_copy_prop and pass_dce_loop.
516 2010-04-06 Jakub Jelinek <jakub@redhat.com>
519 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
520 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
521 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
522 MULTI_* defines for 4 argument vpermil2p* builtins.
524 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
526 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
527 * config/i386/i386.c (x86_maybe_negate_const_int): New.
528 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
529 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
530 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
531 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
532 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
533 Use x86_maybe_negate_const_int to output insn mnemonic.
534 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
535 check from instruction predicate. Update comments.
536 * config/i386/sync.md (sync_add<mode>): Use
537 x86_maybe_negate_const_int to output insn mnemonic.
539 2010-04-06 Jan Hubicka <jh@suse.cz>
541 PR tree-optimization/42906
542 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
543 IGNORE_SELF argument. Set visited_control_parents for fully
545 (find_obviously_necessary_stmts): Update call of
546 mark_control_dependent_edges_necessary.
547 (propagate_necessity): Likewise. Handle PHI edges more curefully.
549 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
551 * config/i386/i386.md: Remove comment about 'e' and 'E'
554 2010-04-06 Richard Guenther <rguenther@suse.de>
556 PR tree-optimization/43627
557 * tree-vrp.c (extract_range_from_unary_expr): Widenings
558 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
561 2010-04-06 Jakub Jelinek <jakub@redhat.com>
563 * BASE-VER: Change to 4.6.0.
566 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
569 2010-04-06 Richard Guenther <rguenther@suse.de>
572 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
574 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
576 * doc/invoke.texi (Optimize Options): Document that LTO
577 won't remove object access purely due to incompatible
580 2010-04-04 Matthias Klose <doko@ubuntu.com>
582 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
585 2010-04-03 Richard Guenther <rguenther@suse.de>
588 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
589 require a non-NULL MEM_OFFSET.
591 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
593 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
594 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
595 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
596 config/alpha/predicates.md, config/arm/arm.md,
597 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
598 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
599 config/darwin9.h, config/darwin.c, config/darwin.h,
600 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
601 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
602 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
603 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
604 config/mips/mips.md, config/mn10300/mn10300.c,
605 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
606 config/rs6000/aix.h, config/rs6000/dfp.md,
607 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
608 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
609 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
610 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
611 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
612 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
613 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
614 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
615 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
616 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
617 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
618 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
619 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
620 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
621 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
622 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
623 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
624 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
625 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
626 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
627 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
628 opt-functions.awk, opth-gen.awk, params.def, passes.c,
629 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
630 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
631 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
632 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
633 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
634 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
635 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
636 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
637 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
638 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
639 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
640 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
641 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
642 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
644 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
647 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
648 * aclocal.m4: Regenerate.
650 2010-04-02 Richard Guenther <rguenther@suse.de>
652 PR tree-optimization/43629
653 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
654 if we have seen a constant value.
656 2010-04-02 Joseph Myers <joseph@codesourcery.com>
658 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
660 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
663 * arm.c (legitimize_tls_address): Adjust call to
664 gen_tls_load_dot_plus_four.
665 (arm_note_pic_base): New function.
666 (arm_cannot_copy_insn_p): Use it.
667 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
670 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
675 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
677 * Makefile.in ($(out_object_file)): Depend on
678 gt-$(basename $(notdir $(out_file))).h.
680 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
682 * config.gcc (lm32-*-rtems*): Add t-lm32.
684 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
686 * config.gcc: Add lm32-*-rtems*.
687 * config/lm32/rtems.h: New file.
689 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
692 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
694 2010-04-01 Jakub Jelinek <jakub@redhat.com>
696 * dwarf2out.c (output_compilation_unit_header): For
697 -gdwarf-4 use version 4 instead of version 3.
698 (output_line_info): For version 4 and above emit additional
699 maximum ops per insn header field.
700 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
702 * dwarf2out.c (is_c_family, is_java): Remove.
703 (lower_bound_default): New function.
704 (add_bound_info, gen_descr_array_type_die): Use it.
706 2010-04-01 Dodji Seketeli <dodji@redhat.com>
709 * dwarf2out.c (gen_variable_die): Allow debug info for variable
710 re-declaration when it happens in a function.
712 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
714 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
715 (cgraph_remove_function_insertion_hook): Same.
716 (cgraph_call_function_insertion_hooks): Same.
718 2010-04-01 Richard Guenther <rguenther@suse.de>
721 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
722 and TREE_THIS_VOLATILE.
723 (copy_ref_info): Likewise.
724 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
725 * tree.c (build6_stat): Ignore side-effects of all but arg5
726 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
729 2010-04-01 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/43607
732 * ipa-type-escape.c (check_call): Do not access non-existing
735 2010-04-01 Richard Guenther <rguenther@suse.de>
739 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
740 Jack Howarth <howarth@bromo.med.uc.edu>
742 * tree-profile.c (tree_init_ic_make_global_vars): Make static
745 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
747 * doc/install.texi (Prerequisites): Document libelf usability on
748 IRIX 5/6 and Solaris 2.
749 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
750 Update GNU as, GNU ld requirements.
751 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
752 Document Sun Studio compiler download.
753 Update and simplify as, ld recommendations.
754 (Specific, *-*-solaris2.7): Note obsoletion, removal.
756 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
758 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
759 with_tune_32 to pentium4.
761 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
763 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
765 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
767 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
770 Document GNU as requirement.
771 Update configure requirements.
772 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
773 Recomment IRIX 6.5.18+.
774 Document IDF/IDL requirement.
775 Document GNU as requirement.
776 Document GNU ld bootstrap failure.
777 Remove freeware.sgi.com reference.
779 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
781 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
782 UNIX V4.0, V5.0 obsoletion, removal.
783 Remove --with-gc=simple reference.
784 Update VM requirements during bootstrap.
785 Remove -oldas bootstrap description.
786 Update binutils reference.
787 Remove comparison failure note.
789 2010-03-31 Richard Guenther <rguenther@suse.de>
790 Zdenek Dvorak <ook@ucw.cz>
791 Sebastian Pop <sebastian.pop@amd.com>
794 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
795 with multiple arguments.
796 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
798 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
800 * graphite-dependences.c (print_pddr): Call print_pdr with an
802 * graphite-poly.c (debug_pdr): Add an extra argument for the
805 (print_pbb_domain): Same.
807 (print_scop_context): Same.
810 (debug_pbb_domain): Same.
814 (debug_scop_context): Same.
817 (print_scop_params): Same.
818 (debug_scop_params): Same.
819 (print_iteration_domain): Same.
820 (print_iteration_domains): Same.
821 (debug_iteration_domain): Same.
822 (debug_iteration_domains): Same.
823 (print_scattering_function): Same.
824 (print_scattering_functions): Same.
825 (debug_scattering_function): Same.
826 (debug_scattering_functions): Same.
827 * graphite-poly.h (debug_pdr): Update declaration.
829 (print_pbb_domain): Same.
831 (print_scop_context): Same.
834 (debug_pbb_domain): Same.
838 (debug_scop_context): Same.
841 (print_scop_params): Same.
842 (debug_scop_params): Same.
843 (print_iteration_domain): Same.
844 (print_iteration_domains): Same.
845 (debug_iteration_domain): Same.
846 (debug_iteration_domains): Same.
847 (print_scattering_function): Same.
848 (print_scattering_functions): Same.
849 (debug_scattering_function): Same.
850 (debug_scattering_functions): Same.
852 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
854 * graphite-poly.c (print_scattering_function_1): New.
855 (print_scattering_function): Call it.
856 (print_scop_params): Remove spaces at the end of lines.
859 * graphite-poly.h (print_cloog): Declared.
860 (debug_cloog): Declared.
862 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
864 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
866 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
867 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
868 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
869 to switch between adding the IV bump in loop->latch or in loop->header.
871 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
873 * graphite-poly.c (print_scattering_function): Pretty print following
876 (print_pbb_domain): Same.
877 (dump_gbb_cases): Same.
878 (dump_gbb_conditions): Same.
881 (print_scop_params): Same.
882 (print_scop_context): Same.
884 (print_pbb_body): New.
885 (lst_indent_to): New.
886 (print_lst): Start new lines with a #.
887 * graphite-poly.h (pbb_bb): New.
888 (pbb_index): Use pbb_bb.
889 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
891 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
893 2010-03-31 Jakub Jelinek <jakub@redhat.com>
895 * dwarf2out.c (size_of_die): For -gdwarf-4 use
896 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
897 and 0 instead of 1 for dw_val_class_flag.
898 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
899 dw_val_class_range_list, dw_val_class_loc_list,
900 dw_val_class_lineptr and dw_val_class_macptr, use
901 DW_FORM_flag_present for dw_val_class_flag and
902 DW_FORM_exprloc for dw_val_class_loc.
903 (output_die): For -gdwarf-4 print dw_val_class_loc
904 size as uleb128 instead of 1 or 2 bytes and don't print
905 anything for dw_val_class_flag.
907 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
908 instead of cselib_lookup following by tweaking locs->setting_insn.
911 * cselib.c (cselib_process_insn): Clear cselib_current_insn
912 even before returning from label, setjmp call or volatile asm
915 2010-03-31 Richard Guenther <rguenther@suse.de>
918 * cgraphunit.c (cgraph_output_in_order): Do not allocate
919 temporary data on stack.
921 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
923 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
924 (PUSHSECTION_ASM_OP): Remove.
925 (POPSECTION_ASM_OP): Remove.
926 (PUSHSECTION_FORMAT): Remove.
927 * config/sol2.h (PUSHSECTION_FORMAT): Define.
928 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
929 * config/sol2.c (solaris_output_init_fini): Use it.
931 2010-03-31 Jie Zhang <jie@codesourcery.com>
934 * opt-functions.awk (var_type_struct): Use signed char type
935 for simple variables.
937 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
939 * config/sol2.c: Include output.h.
940 (solaris_assemble_visibility): New function.
941 * config/t-sol2 (sol2.o): Add output.h dependency.
942 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
943 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
946 2010-03-31 Jakub Jelinek <jakub@redhat.com>
949 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
950 V2SImode or XFmode on PRE_DEC.
953 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
956 2010-03-31 Jie Zhang <jie@codesourcery.com>
959 * reload.h (caller_save_initialized_p): Declare.
960 * toplev.c (backend_init_target): Don't call
961 init_caller_save but set caller_save_initialized_p to false.
962 * caller-save.c (caller_save_initialized_p): Define.
963 (init_caller_save): Check caller_save_initialized_p.
964 * ira.c (ira): Call init_caller_save if flag_caller_saves.
966 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
969 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
970 and soft-fp/t-softfp to tmake_file.
971 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
972 (LIBGCC2_TF_CEXT): Define.
975 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
978 * cselib.c (n_useless_values): Document handling of debug locs.
979 (n_useless_debug_values, n_debug_values): New variables.
980 (new_elt_loc_list): Don't add to debug values, keep count.
981 (promote_debug_loc): New.
982 (cselib_reset_table): Zero new variables.
983 (entry_and_rtx_equal_p): Promote debug locs.
984 (discard_useless_locs): Increment n_useless_debug_values for
986 (remove_useless_values): Adjust n_useless_values and n_debug_values
987 with n_useless_debug_values.
988 (add_mem_for_addr): Promote debug locs.
989 (cselib_lookup_mem): Likewise.
990 (cselib_lookup_addr): Renamed to...
991 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
992 (cselib_log_lookup): ... this. Turn into...
993 (cselib_lookup_addr): ... new wrapper.
994 (cselib_lookup_from_insn): New.
995 (cselib_invalidate_regno): Increment n_useless_debug_values for
997 (cselib_invalidate_mem): Likewise.
998 (cselib_process_insn): Take n_deleted and n_debug_values into
999 account to guard remove_useless_value call.
1000 (cselib_finish): Zero n_useless_debug_values.
1001 * cselib.h (cselib_lookup_from_insn): Declare.
1002 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1003 (sched_analyze_2): Likewise.
1005 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1007 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1009 (adjust_mems): Replace narrowing SUBREG of expression containing
1010 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1011 with operations in the narrower mode.
1014 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1015 regs_invalidated_by_call instead all call_used_reg_set registers.
1017 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1020 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1021 pointer comparisons with types_compatible_p.
1022 * tree-vect-stmts.c (vectorizable_call): Same.
1023 (vectorizable_condition): Same.
1025 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1027 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1028 stack check if the mask would be zero.
1030 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1031 Jack Howarth <howarth@bromo.med.uc.edu>
1033 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1036 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1039 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1041 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1042 Include ___unordxf2 and ___unordtf2.
1043 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1046 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1048 * config/lm32/t-lm32: New file.
1049 * config.gcc: Use the above file when targetting lm32.
1051 2010-03-28 Duncan Sands <baldrick@free.fr>
1053 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1055 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1058 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1059 Improve vectorization cost model diagnostic.
1061 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1064 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1065 compute_data_dependences_for_loop returns false, early exit
1066 and output an extra diagnostic for the failed data reference
1069 2010-03-29 Richard Guenther <rguenther@suse.de>
1071 PR tree-optimization/43560
1072 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1073 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1075 2010-03-29 Jie Zhang <jie@codesourcery.com>
1078 * toplev.c (process_options): Set optimization_default_node
1079 and optimization_current_node.
1080 * opts.c (decode_options): Don't set optimization_default_node
1081 and optimization_current_node.
1083 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1085 * config/rtems.h: Abandon -qrtems_debug.
1087 2010-03-28 Jan Hubicka <jh@suse.cz>
1089 PR tree-optimization/43505
1090 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1091 map should not be copied.
1093 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1096 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1097 cdtors, set DECL_PRESERVE_P.
1098 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1101 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1103 PR tree-optimization/43528
1104 * stor-layout.c (place_field): Check that constant fits into
1105 unsigned HWI when skipping calculation of MS bitfield layout.
1107 2010-03-27 Jan Hubicka <jh@suse.cz>
1110 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1111 notice_global_symbol work.
1113 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1115 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1116 instead of dwarf2out_decl.
1117 (struct var_loc_node): Remove section_label field.
1118 (dwarf2out_function_decl): New function.
1119 (dwarf2out_var_location): Don't set section_label field.
1120 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1122 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1124 PR tree-optimization/43544
1125 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1126 First argument for builtin vectorized function hook is now a
1127 tree to be able to distinguish between machine specific and
1129 * targhooks.c (default_builtin_vectorized_function): Ditto.
1130 * targhooks.h (default_builtin_vectorized_function): Ditto.
1131 * target.h (struct gcc_target): Ditto.
1132 * tree-vect-stmts.c (vectorizable_function): Ditto.
1133 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
1134 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1137 2010-03-26 Joseph Myers <joseph@codesourcery.com>
1140 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
1141 nested binding iff it is a FUNCTION_DECL.
1142 (store_parm_decls_newstyle): Pass nested=true to bind for
1143 FUNCTION_DECLs amongst parameters.
1145 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1147 * var-tracking.c (vt_expand_loc_callback): Don't run
1148 cselib_expand_value_rtx_cb in dummy mode if
1149 cselib_dummy_expand_value_rtx_cb returned false.
1151 * var-tracking.c (emit_note_insn_var_location): For one part
1152 notes with offset 0, don't add EXPR_LIST around the location.
1153 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
1154 add_location_or_const_value_attribute): Adjust for that change.
1157 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
1158 into first operand and location into second.
1159 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
1160 dw_cfi_oprnd_loc for DW_CFA_expression.
1161 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
1162 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
1163 assume first argument is regnum and second argument is location.
1165 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1168 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1169 of scratch register to DImode. Split to DImode comparison operator.
1170 Use SImode subreg of scratch register in the multiplication.
1171 (*cmp_sadd_sidi): Ditto.
1172 (*cmp_ssub_si): Ditto.
1173 (*cmp_ssub_sidi): Ditto.
1175 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1178 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
1179 Remove invalid assert and wrong comment.
1181 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1184 * flags.h (final_insns_dump_p): New extern.
1185 * final.c (final_insns_dump_p): New variable.
1186 (rest_of_clean_state): Set it before -fdump-final-insns=
1187 dumping, clear afterwards.
1188 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
1189 MEM_ALIAS_SET on MEMs.
1191 2010-03-26 David S. Miller <davem@davemloft.net>
1193 * configure.ac: Fix sparc GOTDATA_OP bug check.
1194 * configure: Rebuild.
1196 2010-03-26 Alan Modra <amodra@gmail.com>
1198 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
1200 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1202 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
1203 TLS_SECTION_ASM_FLAG.
1205 2010-03-25 Jakub Jelinek <jakub@redhat.com>
1208 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
1209 Clear first_function_block_is_cold.
1212 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
1213 argument if the argument is truth_value_p.
1215 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1217 * config/rs6000/constraints.md: Update copyright year for my changes.
1220 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
1221 used in reg+reg addressing, swap registers.
1223 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1226 * target.h (struct gcc_target): Add code_end hook.
1227 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
1229 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
1230 * toplev.c (compile_file): Call targetm.asm_out.code_end
1231 hook before unwind info/debug info output.
1232 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
1233 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
1234 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1235 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
1236 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1237 * config/i386/i386.c (ix86_file_end): Renamed to...
1238 (ix86_code_end): ... this. Make static. Don't call
1239 file_end_indicate_exec_stack. Emit unwind info using
1240 final_start_function/final_end_function.
1241 (darwin_x86_file_end): Remove.
1242 (TARGET_ASM_CODE_END): Define.
1243 * config/i386/i386.h (TARGET_ASM_FILE_END,
1244 NEED_INDICATE_EXEC_STACK): Don't define.
1245 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
1246 (TARGET_ASM_FILE_END): Define to darwin_file_end.
1247 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
1248 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
1251 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
1252 at the beginning and final_end_function at the end.
1253 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1255 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1257 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
1258 and Sun as TLS syntax.
1259 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
1260 * configure: Regenerate.
1261 * config.in: Regenerate.
1262 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
1263 (default_elf_asm_named_section): Use it.
1264 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
1265 (i386_output_dwarf_dtprel): Likewise.
1266 (output_addr_const_extra): Likewise.
1267 (output_pic_addr_const): Lowercase @GOTTPOFF.
1268 (output_addr_const_extra): Likewise.
1269 (output_pic_addr_const): Lowercase @GOTNTPOFF.
1270 (output_addr_const_extra): Likewise.
1271 (output_pic_addr_const): Lowercase @INDNTPOFF.
1272 (output_addr_const_extra): Likewise.
1273 (output_pic_addr_const): Lowercase @NTPOFF.
1274 (output_addr_const_extra): Likewise.
1275 (output_pic_addr_const): Lowercase @TPOFF.
1276 (output_addr_const_extra): Likewise.
1277 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
1278 (*tls_global_dynamic_64): Likewise.
1279 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
1280 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
1282 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
1283 (ASM_OUTPUT_TLS_COMMON): Use it.
1284 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
1287 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
1288 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
1289 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
1290 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1291 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1292 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
1294 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1296 * config/i386/i386.c (override_options): Don't accept
1297 -mtls-dialect=sun any longer.
1298 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
1299 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
1300 (*tls_local_dynamic_base_32_sun): Likewise.
1301 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1303 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1306 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1307 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
1310 * ira.c (adjust_cleared_regs): New function.
1311 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
1315 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
1317 * expr.c (expand_expr_real): Restore previous
1318 curr_insn_source_location and curr_insn_block after
1319 expand_expr_real_1 call.
1320 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
1321 instead of expand_expr_real_1.
1323 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
1325 PR rtl-optimization/43413
1326 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
1329 2010-03-22 James E. Wilson <wilson@codesourcery.com>
1332 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
1333 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
1335 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
1337 * config/i386/i386.c (ix86_target_string): Add -mfma.
1338 Fix a typo in comment.
1340 2010-03-22 Mike Stump <mikestump@comcast.net>
1343 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1344 Don't overly align based upon packed packed fields.
1346 2010-03-22 Jason Merrill <jason@redhat.com>
1348 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
1349 Use () rather than [], and move before the element type.
1351 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1353 * doc/configfiles.texi (Configuration Files): Removed
1354 fixinc/Makefile*, intl/Makefile.*.
1355 * doc/makefile.texi: Fixed markup. Abstract from version
1356 control system used.
1357 (Makefile): Removed obsolete gcc/java/parse.y example.
1358 * doc/sourcebuild.texi: Likewise.
1359 (Top Level): Added config, gnattools, libdecnumber, libgcc,
1360 libgomp, libssp. Removed fastjar.
1361 (Miscellaneous Docs): Clarify location.
1362 Added COPYING3, COPYING3.LIB.
1363 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
1365 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1368 * config/i386/i386.c (x86_function_profiler)
1369 [!NO_PROFILE_COUNTERS]: Fix typo.
1370 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
1373 2010-03-22 Janis Johnson <janis187@us.ibm.com>
1374 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1376 * doc/sourcebuild.texi (Test Directives): Split into six
1377 subsections, with most of the current text in new subsections
1378 Directives, Selectors, and Final Actions.
1379 (Directives): Split list of test directives into multiple
1381 (Selectors): Describe use and syntax of selectors.
1382 (Effective-Target Keywords): Describe all existing keywords.
1383 (Add Options): Describe features for dg-add-options.
1384 (Require Support): Describe variants of dg-require-support.
1385 (Final Actions): Describe commands to use in dg-final.
1387 2010-03-22 Michael Matz <matz@suse.de>
1390 * recog.c (validate_replace_rtx_group): Replace also in
1391 REG_EQUAL and REG_EQUIV notes.
1393 2010-03-22 Richard Guenther <rguenther@suse.de>
1395 PR tree-optimization/43390
1396 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
1397 sure vector extracts are type correct.
1399 2010-03-22 Richard Guenther <rguenther@suse.de>
1402 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
1403 x * sqrt (x) even when optimizing for size if the target
1404 has native support for sqrt.
1406 2010-03-22 Jakub Jelinek <jakub@redhat.com>
1408 * varasm.c (make_decl_rtl_for_debug): Also clear
1409 flag_mudflap for the duration of make_decl_rtl call.
1412 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
1413 locs from preserved VALUEs.
1415 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1418 * pa.md (movmemsi): Set align to one if zero.
1419 (movmemdi): Likewise.
1421 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
1424 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
1425 with their corresponding prologue pushes.
1427 2010-03-20 Andrew Pinski <pinskia@gmail.com>
1430 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
1431 at the begining or end.
1432 (spu_expand_epilogue): Likewise.
1434 2010-03-20 Richard Guenther <rguenther@suse.de>
1436 PR rtl-optimization/43438
1437 * combine.c (make_extraction): Properly zero-/sign-extend an
1438 extraction of the low part of a CONST_INT. Also handle
1441 2010-03-19 Mike Stump <mikestump@comcast.net>
1443 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
1444 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
1445 (override_options): Use SUBTARGET32_DEFAULT_CPU.
1447 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1450 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
1453 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
1455 PR rtl-optimization/42258
1456 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
1457 use that may match DEF.
1460 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
1461 the cost of loading the constant rather than assuming
1463 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
1464 outer code is AND, do the same tests as the andsi3 expander and
1465 return COSTS_N_INSNS (1) if and is cheap.
1467 * optabs.c (avoid_expensive_constant): Fix formatting.
1469 2010-03-19 Michael Matz <matz@suse.de>
1472 * attribs.c (decl_attributes): When rebuilding a function pointer
1473 type use the same qualifiers as the original pointer type.
1475 2010-03-19 Martin Jambor <mjambor@suse.cz>
1477 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
1478 and is_gimple_ip_invariant_address.
1480 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1483 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1485 * config/arm/arm.c (arm_override_options): Turn off
1486 flag_dwarf2_cfi_asm for AAPCS variants.
1488 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1491 * config/arm/arm.c (emit_multi_reg_push): Update comments.
1492 Use PRE_MODIFY instead of PRE_DEC.
1493 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
1494 (vfp_emit_fstmd): Likewise.
1496 2010-03-19 Michael Matz <matz@suse.de>
1499 * builtins.c (expand_builtin_interclass_mathfn,
1500 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
1503 2010-03-19 Richard Guenther <rguenther@suse.de>
1505 PR tree-optimization/43415
1506 * tree-ssa-pre.c (phi_translate): Split out worker to ...
1507 (phi_translate_1): ... this.
1508 (phi_translate): Move all caching here. Cache all NARY
1509 and REFERENCE translations.
1511 2010-03-19 David S. Miller <davem@davemloft.net>
1513 With help from Eric Botcazou.
1514 * config/sparc/sparc.c: Include dwarf2out.h.
1515 (emit_pic_helper): Delete.
1516 (pic_helper_symbol_name): Delete.
1517 (pic_helper_emitted_p): Delete.
1518 (pic_helper_needed): New.
1519 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
1520 (get_pc_thunk_name): New.
1521 (load_pic_register): Remove 'delay_pic_helper' arg. Use
1522 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
1523 Set pic_helper_needed to true. Don't call emit_pic_helper.
1524 (sparc_expand_prologue): Update load_pic_register call.
1525 (sparc_output_mi_thunk): Likewise.
1526 (sparc_file_end): Emit a hidden comdat symbol for the PIC
1527 thunk if possible. Output CFI information as needed.
1529 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1530 Jack Howarth <howarth@bromo.med.uc.edu>
1533 * config/i386/i386.h: Fix ABI on darwin x86-32.
1535 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
1537 * tree.h: Declare make_decl_rtl_for_debug.
1538 * varasm.c (make_decl_rtl_for_debug): New.
1539 * dwarf2out.c (rtl_for_decl_location): Call it.
1540 * cfgexpand.c (expand_debug_expr): Call it.
1542 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1545 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
1549 * var-tracking.c (vt_init_cfa_base): Do nothing if
1550 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
1552 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
1555 * var-tracking.c (canonicalize_vars_star): New.
1556 (dataflow_post_merge_adjust): Use it.
1558 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1561 * var-tracking.c (non_suitable_const): New function.
1562 (add_uses): For DEBUG_INSNs with constants, don't record any
1563 value, instead just the constant value itself.
1564 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
1565 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1566 (emit_notes_in_bb): Likewise.
1567 (emit_note_insn_var_location): For onepart variables if
1568 cur_loc is a VOIDmode constant, use DECL_MODE.
1570 2010-03-18 Martin Jambor <mjambor@suse.cz>
1573 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1574 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1575 all non-clones. Moved call redirection...
1576 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1577 (cgraph_materialize_all_clones): Dispose of all
1578 combined_args_to_skip bitmaps.
1579 (verify_cgraph_node): Do not check for edges pointing to wrong
1580 nodes in inline clones.
1581 * tree-inline.c (copy_bb): Call
1582 cgraph_redirect_edge_call_stmt_to_callee.
1583 * ipa.c (cgraph_remove_unreachable_nodes): Call
1584 cgraph_node_remove_callees even when there are used clones.
1586 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1588 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1590 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1593 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1596 2010-03-18 Michael Matz <matz@suse.de>
1599 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1600 into sqrt(x) if we need to preserve signed zeros.
1602 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1603 Eric Botcazou <ebotcazou@adacore.com>
1605 PR rtl-optimization/43360
1606 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1607 note if we don't know its invariant status.
1609 2010-03-18 Michael Matz <matz@suse.de>
1611 PR tree-optimization/43402
1612 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1613 PHI chains of ssa names registered for update.
1615 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1618 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1619 non-offsettable and pre_modify update addressing.
1620 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1621 and "2" alternatives "#".
1622 (*movdd_softfloat32): Make all alternatives "#";
1623 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1624 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1625 (*movdf_softfloat32): Make all alternatives "#";
1626 (movdi): Use the new DIFD mode iterator to create a common splitter
1627 for movdi, movdf and movdd patterns.
1629 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1631 * common.opt (dumpdir): Remove redundant tab.
1633 2010-03-17 Martin Jambor <mjambor@suse.cz>
1635 PR tree-optimization/43347
1636 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1637 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1639 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1641 PR rtl-optimization/42216
1642 * regrename.c (create_new_chain): New function, broken out from...
1643 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1644 appending a use to an empty chain.
1645 (build_def_use): Remove previous changes that convert OP_INOUT to
1646 OP_OUT operands; instead detect the case where an OP_INOUT operand
1647 uses a previously untracked register and create an empty chain for it.
1649 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1651 * doc/extend.texi (Function Attributes): Rewrite unfinished
1652 sentence in ms_abi documentation.
1654 2010-03-17 Alan Modra <amodra@gmail.com>
1656 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1657 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1658 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1659 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1661 2010-03-16 Richard Henderson <rth@redhat.com>
1664 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1665 (lower_try_finally): Save and restore eh_seq around the expansion
1668 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1670 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1671 statements before splitting block.
1673 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1675 * doc/sourcebuild.texi (Testsuites): Fix markup.
1676 Use pathnames relative to gcc/testsuite.
1677 (Test Directives): Move description of how timeout is determined.
1678 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1679 (C Tests): Correct gcc.misc-tests directory.
1680 Framework tests now live in gcc.test-framework.
1682 2010-03-16 Richard Guenther <rguenther@suse.de>
1685 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1686 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1688 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1689 Alexandre Oliva <aoliva@redhat.com>
1691 PR tree-optimization/42917
1692 * lambda-code.c (remove_iv): Skip debug statements.
1693 (lambda_loopnest_to_gcc_loopnest): Likewise.
1694 (not_interesting_stmt): Debug statements are not interesting.
1696 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1700 * cselib.c (cselib_preserve_constants,
1701 cfa_base_preserved_val): New static variables.
1702 (preserve_only_constants): New function.
1703 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1704 clear its REG_VALUES. If cselib_preserve_constants, don't
1705 empty the whole hash table, but preserve there VALUEs with constants,
1706 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1707 (cselib_preserve_cfa_base_value): New function.
1708 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1709 (cselib_init): Change argument to int bitfield. Set
1710 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1712 (cselib_finish): Clear cselib_preserve_constants and
1713 cfa_base_preserved_val.
1714 * cselib.h (enum cselib_record_what): New enum.
1715 (cselib_init): Change argument to int.
1716 (cselib_preserve_cfa_base_value): New prototype.
1717 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1718 * dse.c (dse_step1): Likewise.
1719 * cfgcleanup.c (thread_jump): Likewise.
1720 * sched-deps.c (sched_analyze): Likewise.
1721 * gcse.c (local_cprop_pass): Likewise.
1722 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1723 If FN is non-NULL, call the callback always and whenever it returns
1724 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1725 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1726 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1727 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1728 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1729 * var-tracking.c: Include recog.h.
1730 (bb_stack_adjust_offset): Remove.
1731 (vt_stack_adjustments): Don't call it, instead just gather the
1732 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1733 (adjust_stack_reference): Remove.
1734 (compute_cfa_pointer): New function.
1735 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1736 (struct adjust_mem_data): New type.
1737 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1739 (get_address_mode): New function.
1740 (replace_expr_with_values): Use it.
1741 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1742 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1743 (adjust_sets): Remove.
1744 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1745 Use get_address_mode.
1746 (get_adjusted_src): Remove.
1747 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1748 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1749 (add_with_sets): Don't call adjust_sets.
1750 (fp_setter, vt_init_cfa_base): New functions.
1751 (vt_initialize): Change return type to bool. Move most of pool etc.
1752 initialization to the beginning of the function from end. Pass
1753 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1754 If !frame_pointer_needed, call vt_stack_adjustment before mos
1755 vector is filled, call vt_init_cfa_base if argp/framep has been
1756 eliminated to sp. If frame_pointer_needed and argp/framep has
1757 been eliminated to hard frame pointer, set
1758 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1759 encountering fp setter in the prologue. For MO_ADJUST, call
1760 log_op_type before pusing the op into mos vector, not afterwards.
1761 Call adjust_insn before cselib_process_insn/add_with_sets,
1762 call cancel_changes (0) afterwards.
1763 (variable_tracking_main_1): Adjust for vt_initialize calling
1764 vt_stack_adjustments and returning whether it succeeded or not.
1766 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1768 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1771 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1773 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1775 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1776 drap_reg has not been set.
1778 2010-03-15 Michael Matz <matz@suse.de>
1781 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1782 use it to expand block copies.
1783 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1784 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1785 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1787 2010-03-15 Richard Guenther <rguenther@suse.de>
1789 PR tree-optimization/43367
1790 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1793 2010-03-15 Richard Guenther <rguenther@suse.de>
1795 PR tree-optimization/43317
1796 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1798 2010-03-15 Martin Jambor <mjambor@suse.cz>
1800 PR tree-optimization/43141
1801 * tree-sra.c (create_abstract_origin): New function.
1802 (modify_function): Call create_abstract_origin.
1804 2010-03-15 Chris Demetriou <cgd@google.com>
1806 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1809 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1812 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1813 call insert_out_of_ssa_copy for default definitions.
1815 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1817 * graphite-clast-to-gimple.c (my_long_long): Defined.
1818 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1819 * graphite-sese-to-poly.c (my_long_long): Defined.
1820 (scop_ivs_can_be_represented): Use it.
1822 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1824 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1825 graphite-max-bbs-per-function, and loop-block-tile-size.
1826 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1828 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1830 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1832 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1833 forward declaration.
1834 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1835 (add_upper_bounds_from_estimated_nit): New.
1836 (build_loop_iteration_domains): Use it.
1838 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1840 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1842 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1845 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1846 should be an INTEGER_CST. Also handle CASE_CONVERT.
1848 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1850 * graphite.c (graphite_initialize): To bound the number of bbs per
1851 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1852 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1853 * doc/invoke.texi: Document it.
1855 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1857 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1858 * graphite-sese-to-poly.h (build_poly_scop): Same.
1860 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1862 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1863 the number of parameters in the scop. Use as an upper bound
1864 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1865 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1866 * doc/invoke.texi: Document it.
1868 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1870 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1871 * doc/c-tree.texi: Remove.
1872 * doc/generic.texi: Merge c-tree.texi here.
1873 * doc/gccint.texi (Trees): Remove menu entry.
1874 (c-tree.texi): Remove @include.
1875 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1876 * doc/languages.texi (Reading RTL): Ditto.
1878 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1881 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1883 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1886 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1887 code added to work around reload clobbering CONST insns.
1889 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1891 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1892 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1893 (cselib_preserve_only_values): Remove retain argument, don't
1894 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1895 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1896 * var-tracking.c (micro_operation): Move insn field before union.
1897 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1898 (struct variable_tracking_info_def): Remove n_mos field, change
1899 mos into a vector of micro_operations.
1900 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1901 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1902 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1903 changing into a vector.
1904 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1905 come before all other uops generated by add_stores.
1906 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1908 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
1909 a vector. Run just one pass over the bbs instead of separate counting
1910 and computation phase.
1911 (vt_finalize): Free VTI (bb)->mos vector instead of array.
1914 * tree-inline.c (remap_decls): Put old_var rather than origin_var
1915 into *nonlocalized_list vector.
1916 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
1917 even if origin is non-NULL.
1918 (gen_variable_die): Likewise.
1919 (process_scope_var): Don't change origin.
1920 (gen_decl_die): Likewise.
1921 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
1922 before adding new edges instead of after it, fix moving over
1925 2010-03-11 David S. Miller <davem@davemloft.net>
1927 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
1929 * configure: Rebuild.
1931 2010-03-11 Martin Jambor <mjambor@suse.cz>
1933 PR tree-optimization/43257
1934 * tree.c (assign_assembler_name_if_neeeded): New function.
1935 (free_lang_data_in_cgraph): Assembler name assignment moved to the
1937 * tree.h (assign_assembler_name_if_neeeded): Declare.
1938 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
1939 the function if needed.
1941 2010-03-11 Chris Demetriou <cgd@google.com>
1943 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
1944 include/stdint-gcc.h, and include/stdint.h world-readable.
1946 2010-03-11 Richard Guenther <rguenther@suse.de>
1948 PR tree-optimization/43255
1949 * tree-vrp.c (process_assert_insertions_for): Do not insert
1950 asserts for trivial conditions.
1952 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1954 PR tree-optimization/43280
1955 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
1956 generation. Move calculation of size out of the if branch.
1957 (find_bswap): Modify compare number generation.
1959 2010-03-11 Richard Guenther <rguenther@suse.de>
1962 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
1963 (input_gimple_stmt): Fixup handled component types during
1964 operand read. Also fix up decls in ADDR_EXPRs.
1966 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
1968 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
1969 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
1971 2010-03-10 Jan Hubicka <jh@suse.cz>
1974 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
1975 * varasm.c (get_variable_section): Don't do that here...
1976 (make_decl_rtl): ... and here.
1977 (do_assemble_alias): Produce decl RTL.
1978 (assemble_alias): Likewise.
1980 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1983 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
1984 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
1986 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
1987 (based_loc_descr): Only express drap or vdrap regno based expressions
1988 using DW_OP_fbreg when not optimizing.
1989 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
1990 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
1991 REG_CFA_SET_VDRAP note.
1993 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
1995 PR tree-optimization/43236
1996 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
1997 error in calculation of base address in reverse iteration case.
1998 (generate_builtin): Take number of latch executions if the statement
2001 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2004 * tree-eh.c: Include pointer-set.h.
2005 (lower_eh_dispatch): Filter out duplicate case labels and
2006 remove the unneeded edge when the label is unused. Return
2007 true when some edges are removed.
2008 (execute_lower_eh_dispatch): When any lowering resulted in
2009 removing an edge, also delete unreachable blocks.
2011 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2014 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2015 UNSPEC_MACHOPIC_OFFSET.
2017 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2020 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2021 (m68k_delegitimize_address): New function.
2023 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2026 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2029 * var-tracking.c (adjust_sets): New function.
2030 (count_with_sets, add_with_sets): Use it.
2031 (get_adjusted_src): New inline function.
2032 (add_stores): Use it.
2035 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2036 call cselib_dummy_expand_value_rtx_cb instead of
2037 cselib_expand_value_rtx_cb.
2040 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2041 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2042 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2043 and .cfi_endproc around the pic thunks.
2044 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2045 all queued unwind info register saves are saved before the call.
2046 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2047 considered as sp-=4 for unwind info and the pop as sp+=4 which
2048 also clobbers dest, but doesn't actually restore it.
2051 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2052 RTX_FRAME_RELATED_P.
2054 2010-03-09 Jie Zhang <jie@codesourcery.com>
2056 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2057 whitespaces in output template.
2059 2010-03-09 Jie Zhang <jie@codesourcery.com>
2061 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2064 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2066 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2067 builtins.exp in a separate job.
2069 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2071 * graphite-sese-to-poly.c (add_param_constraints): Use
2072 lower_bound_in_type and upper_bound_in_type.
2074 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2076 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2077 instead of unsigned_type_node.
2079 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2080 Reza Yazdani <reza.yazdani@amd.com>
2083 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2084 on pointer type parameters.
2086 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2090 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2091 handle conversions from pointer to integers.
2092 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2093 induction variable, to be able to work with code generated by CLooG.
2094 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2095 (build_poly_scop): Bail out if we cannot codegen a loop.
2097 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2099 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2100 code generation with gloog_error.
2102 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2104 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2105 Call fold_convert on all the returned values.
2106 (expand_scalar_variables_expr): Pass to
2107 expand_scalar_variables_ssa_name the type of the resulting expression.
2109 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2111 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2112 ppl_min_for_le_pointset.
2113 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2114 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2116 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2118 * graphite-dependences.c (map_into_dep_poly): Removed.
2119 (dependence_polyhedron_1): Use combine_context_id_scat.
2121 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2123 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2124 (struct poly_bb): Same.
2125 (combine_context_id_scat): New.
2127 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2130 * sese.c (name_defined_in_loop_p): Return false for default
2133 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2135 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2136 and clean up the logic.
2138 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2140 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2143 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2145 * var-tracking.c (remove_cselib_value_chains): Define only for
2147 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
2148 delete_slot_part, emit_notes_for_differences_1): Don't call
2149 remove_cselib_value_chains here.
2150 (set_slot_part, emit_notes_for_differences_2): Don't call
2151 add_cselib_value_chains here.
2152 (preserved_values): New vector.
2153 (preserve_value): New function.
2154 (add_uses, add_stores, vt_add_function_parameters): Use it
2155 instead of cselib_preserve_value.
2156 (changed_values_stack): New vector.
2157 (check_changed_vars_0): New function.
2158 (check_changed_vars_1, check_changed_vars_2): Use it.
2159 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
2160 changed_values_stack VALUEs.
2161 (vt_emit_notes): For all preserved_values call
2162 add_cselib_value_chains. If ENABLE_CHECKING call
2163 remove_cselib_value_chains before verifying value_chains is empty.
2164 Initialize and free changed_values_stack.
2165 (vt_initialize): Initialize preserved_values.
2166 (vt_finalize): Free preserved_values.
2168 2010-03-08 Richard Guenther <rguenther@suse.de>
2170 PR tree-optimization/43269
2171 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
2174 2010-03-08 Martin Jambor <mjambor@suse.cz>
2176 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
2177 (ipa_is_param_called): Removed.
2178 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
2179 (ipa_print_node_params): Do not print the called flag.
2180 (ipa_write_node_info): Do not stream the called flag.
2181 (ipa_read_node_info): Likewise.
2183 2010-03-07 Jakub Jelinek <jakub@redhat.com>
2186 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
2187 * cselib.c (struct expand_value_data): Add dummy field.
2188 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
2190 (cselib_dummy_expand_value_rtx_cb): New function.
2191 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
2193 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
2194 * var-tracking.c: Include pointer-set.h.
2195 (variable): Change n_var_parts to char from int. Add
2196 cur_loc_changed and in_changed_variables fields.
2197 (variable_canonicalize): Remove.
2198 (shared_var_p): New inline function.
2199 (unshare_variable): Maintain cur_loc_changed and
2200 in_changed_variables fields. If var was in changed_variables,
2201 replace it there with new_var. Just copy cur_loc instead of
2202 resetting it to something else.
2203 (variable_union): Don't recompute cur_loc. Use shared_var_p.
2204 (dataflow_set_union): Don't call variable_canonicalize.
2205 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
2206 of their DEBUG_EXPR_TREE_DECLs.
2207 (canonicalize_loc_order_check): Verify that cur_loc is NULL
2208 and in_changed_variables and cur_loc_changed is false.
2209 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
2210 and cur_loc_changed. Don't update cur_loc here.
2211 (variable_merge_over_src): Don't call variable_canonicalize.
2212 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
2213 removing loc that is equal to cur_loc, clear cur_loc,
2214 set cur_loc_changed and ensure variable_was_changed is called.
2215 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
2216 compare pointers in cur_loc check, if it is equal to loc,
2217 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
2218 (variable_different_p): Remove compare_current_location argument,
2219 don't compare cur_loc.
2220 (dataflow_set_different_1): Adjust variable_different_p caller.
2221 (variable_was_changed): If dv had some var in changed_variables
2222 already, reset in_changed_variables flag for it and propagate
2223 cur_loc_changed over to the new variable. On empty var
2224 always set cur_loc_changed. Set in_changed_variables on whatever
2225 var is added to changed_variables.
2226 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
2227 Use shared_var_p. When removing loc that is equal to cur_loc,
2228 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
2229 end, don't set it to something else, just call variable_was_changed.
2230 (delete_slot_part): Use shared_var_p. When cur_loc equals to
2231 loc being removed, clear cur_loc and set cur_loc_changed.
2232 Set cur_loc_changed if all locations have been removed.
2233 (struct expand_loc_callback_data): New type.
2234 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
2235 allocated. Always create SUBREGs if simplify_subreg failed.
2236 Prefer to use cur_loc, when that fails and still in
2237 changed_variables (and seen first time) recompute it. Set
2238 cur_loc_changed of variables which had to change cur_loc and
2239 compute elcd->cur_loc_changed if any of the subexpressions used
2240 had to change cur_loc.
2241 (vt_expand_loc): Adjust to pass arguments in
2242 expand_loc_callback_data structure.
2243 (vt_expand_loc_dummy): New function.
2244 (emitted_notes): New variable.
2245 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
2246 that weren't used for any other decl in current
2247 emit_notes_for_changes call call vt_expand_loc_dummy to update
2248 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
2249 first loc_chain location if NULL before. Always use just
2250 cur_loc instead of first loc_chain location. When cur_loc_changed
2251 is false, when not --enable-checking=rtl just don't emit any note.
2252 When rtl checking, compute the note and assert it is the same
2253 as previous note. Clear cur_loc_changed and in_changed_variables
2254 at the end before removing from changed_variables.
2255 (check_changed_vars_3): New function.
2256 (emit_notes_for_changes): Traverse changed_vars to call
2257 check_changed_vars_3 on each changed var.
2258 (emit_notes_for_differences_1): Clear cur_loc_changed and
2259 in_changed_variables. Recompute cur_loc of new_var.
2260 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
2261 (vt_emit_notes): Initialize and destroy emitted_notes.
2263 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
2265 PR rtl-optimization/42220
2266 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
2267 Use verify_reg_tracked to determine if we should use OP_OUT rather
2269 (build_def_use): If we see an in-out operand for a register that we
2270 know nothing about, treat is an output if possible, fail the block if
2273 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2276 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
2279 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2282 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
2283 uses of relevant DEFs that are dead outside the loop too.
2285 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2287 * var-tracking.c (dataflow_set_merge): Swap src and src2.
2289 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2291 * var-tracking.c (values_to_unmark): New variable.
2292 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2293 values_to_unmark vector. Moved body to...
2294 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2295 instead queue it into values_to_unmark vector.
2296 (vt_find_locations): Free values_to_unmark vector.
2298 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
2300 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
2301 (site.exp): Export them when plugins are enabled.
2303 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
2306 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
2308 (chrec_fold_multiply): Same.
2310 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2313 * c-decl.c (build_compound_literal): Return early if init is
2316 2010-03-04 Martin Jambor <mjambor@suse.cz>
2318 PR tree-optimization/43164
2319 PR tree-optimization/43191
2320 * tree-sra.c (type_consists_of_records_p): Reject records with
2321 zero-size bit-fields at the end.
2323 2010-03-04 Mike Stump <mikestump@comcast.net>
2325 * Makefile.in (TAGS): Remove *.y.
2327 2010-03-04 Richard Guenther <rguenther@suse.de>
2329 PR tree-optimization/40761
2330 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
2332 (my_rev_post_order_compute): New function.
2333 (init_pre): Call it.
2335 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
2338 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
2339 decrease the cost of an IV candidate when the cost is infinite.
2341 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2343 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
2344 Use '3DNow!' for the extension of that name, ensure normal space
2346 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2348 2010-03-03 Jeff Law <law@redhat.com>
2350 * PR middle-end/32693
2351 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
2352 than gen_rtx_SUBREG.
2353 (extract_bit_field_1): Likewise.
2355 2010-03-03 Janis Johnson <janis187@us.ibm.com>
2357 * doc/sourcebuild.texi (Test directives): Document that arguments
2358 include-opts and exclude-opts are now optional for dg-skip-if,
2359 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
2361 2010-03-03 Jason Merrill <jason@redhat.com>
2364 * cgraph.h (varpool_node): Add extra_name field.
2365 * varpool.c (varpool_extra_name_alias): New.
2366 (varpool_assemble_decl): Emit extra name aliases.
2367 (varpool_mark_needed_node): Look past an extra name alias.
2368 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
2369 * lto-streamer-in.c (lto_input_tree): Read it.
2370 * lto-streamer-out.c (output_unreferenced_globals): Write it.
2372 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
2374 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
2375 (sparc*-*-solaris2*): ...this.
2377 2010-03-03 Jakub Jelinek <jakub@redhat.com>
2380 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
2381 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
2382 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
2383 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
2386 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
2387 fallthrough to default handling, just with want_address 0 instead of 2.
2388 For single element lists, add_AT_loc directly, otherwise create an
2389 artificial variable DIE and stick location list to it.
2392 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
2393 (VAL_EXPR_HAS_REVERSE): Define.
2394 (reverse_op): New function.
2395 (add_stores): For reversible operations add an extra MO_VAL_USE.
2397 2010-03-02 Jason Merrill <jason@redhat.com>
2399 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
2401 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
2403 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
2404 (sparc64-*-linux*): Likewise.
2405 (sparc64-*-solaris2*): Include assembler files before linker ones.
2406 (sparc-*-solaris2*): Simplify and reorder to match previous case.
2407 * config/sparc/gas.h: Delete.
2408 * config/sparc/sol2-64.h: Add copyright notice.
2409 * config/sparc/sol2-gas-bi.h: Likewise.
2410 * config/sparc/sol2-gld.h: Likewise.
2411 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
2412 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
2413 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
2414 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
2415 (sparc_elf_asm_named_section): Rename into...
2416 (sparc_solaris_elf_asm_named_section): ...this. Always define.
2418 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
2420 * config/alpha/alpha.c (override_options): Fix -mtune error message.
2422 2010-03-02 Jeff Law <law@redhat.com>
2425 * reload1.c (rtx_p, substitute_stack): Declare.
2426 (substitute): Record addresses of changed rtxs.
2427 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
2428 Restore the original rtx when complete.
2429 (reload): Free subsitute_stack when complete.
2431 2010-03-02 Janis Johnson <janis187@us.ibm.com>
2433 * doc/gccint.texi (menu): Add Testsuites as a chapter.
2434 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
2436 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
2437 LTO Testing, gcov Testing, profopt Testing, compat Testing,
2438 Torture Tests): Change from subsection to section.
2440 2010-03-02 Jakub Jelinek <jakub@redhat.com>
2441 Steven Bosscher <steven@gcc.gnu.org>
2443 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
2446 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
2449 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
2450 the assignment from the new induction variable to the assignment
2451 of the value from the original loop PHI function.
2453 2010-03-01 Janis Johnson <janis187@us.ibm.com>
2454 Daniel Jacobowitz <dan@codesourcery.com>
2456 * doc/sourcebuild.texi (Test directives): Clarify options to
2459 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2461 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
2462 Disable cfi directives unless GCC and gas agree on using read-only
2463 .eh_frame sections for 64-bit.
2464 * configure: Regenerate.
2466 2010-03-01 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/43220
2469 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
2470 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
2472 2010-03-01 Richard Guenther <rguenther@suse.de>
2473 Martin Jambor <mjambor@suse.cz>
2476 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
2477 gimplified parameters.
2479 2010-03-01 Christian Bruel <christian.bruel@st.com>
2481 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
2483 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
2485 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
2487 2010-03-01 Richard Guenther <rguenther@suse.de>
2490 * expr.c (expand_assignment): Use the alias-oracle to tell
2491 if the rhs aliases the result decl.
2493 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2496 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
2497 to sol_gt_pch_get_address.
2498 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
2499 64-bit, SPARC and x86.
2500 (sol_gt_pch_get_address): New function.
2502 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
2504 * toplev.h (inform_n, error_n): Declare.
2505 * diagnostic.c (inform_n, error_n): New function.
2507 2010-03-01 Jakub Jelinek <jakub@redhat.com>
2509 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
2510 has no rtl yet when processing local_decls, queue it and recheck
2511 if deferred stack allocation hasn't assigned it rtl.
2513 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
2515 * config/sh/sh.c (unspec_bbr_uid): New.
2516 (gen_block_redirect): Use it instead of INSN_UID.
2517 (gen_far_branch): Likewise.
2519 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
2521 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
2522 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
2524 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2526 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
2527 (Warning Options): -Wno-conversion-null is valid for
2528 Objective-C++ as well.
2529 * doc/tm.texi (Named Address Spaces): Likewise.
2530 * doc/plugins.texi (Plugins): Replace TABs with spaces.
2531 * doc/tree-ssa.texi (Tree SSA): Likewise.
2533 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2536 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
2537 by default. Don't set the default arch for
2538 i[34567]86-*-darwin*|x86_64-*-darwin*.
2540 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2543 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
2544 default. Set the default 32bit/64bit archs with $with_arch
2545 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
2547 2010-02-27 Richard Guenther <rguenther@suse.de>
2549 PR tree-optimization/43186
2550 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
2551 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
2552 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
2553 unroller iterations.
2555 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2557 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
2558 required and i[34567]86-*-* targets don't support 64bit ISA.
2560 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
2563 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2566 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2568 * config.gcc: Set the default arch at least to Prescott for
2569 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2570 if SSE math is enabled.
2572 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2574 * diagnostic.c (diagnostic_initialize): Update.
2575 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2577 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2578 (diagnostic_inhibit_notes): New.
2579 * toplev.c (process_options): inhibit notes with -fcompare-debug.
2581 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2584 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2585 * doc/standards.texi: Likewise.
2586 * doc/extend.texi: Likewise.
2587 * doc/trouble.texi: Likewise.
2588 * doc/cppopts.texi: Likewise.
2589 * doc/install.texi: Likewise.
2590 * c.opt (std=c90,std=gnu90): New options.
2591 * c-opts.c (c_common_handle_option): Handle them.
2593 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2596 * c-decl.c (undeclared_variable): Use an informative note.
2598 2010-02-26 Richard Guenther <rguenther@suse.de>
2600 PR tree-optimization/43186
2601 * gimple.h (gimple_fold): Remove.
2602 * gimple.c (gimple_fold): Remove. Inline into single user ...
2603 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2604 Try harder for conditions.
2606 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2609 * function.c (used_types_insert): Don't skip through named pointer
2610 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2611 and it is different from the main variant's type.
2613 2010-02-26 Nick Clifton <nickc@redhat.com>
2615 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2617 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2619 * config.gcc: Support --with-fpmath=sse for x86.
2621 * config/i386/ssemath.h: New.
2623 * doc/install.texi (--with-fpmath=sse): Documented.
2625 2010-02-26 Richard Guenther <rguenther@suse.de>
2627 PR tree-optimization/43188
2628 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2629 vector types of over-aligned element type.
2631 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2634 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2635 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2637 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2639 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2641 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2643 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2644 * var-tracking.c: Include diagnostic.h.
2645 (debug_dv): New function.
2646 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2649 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2650 (add_value_chain, add_value_chains, remove_value_chain,
2651 remove_value_chains): Handle DEBUG_EXPRs.
2652 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2655 * regcprop.c (struct queued_debug_insn_change): New type.
2656 (struct value_data_entry): Add debug_insn_changes field.
2657 (struct value_data): Add n_debug_insn_changes field.
2658 (debug_insn_changes_pool): New variable.
2659 (free_debug_insn_changes, apply_debug_insn_changes,
2660 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2661 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2662 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2664 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2666 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2667 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2668 changes, call cprop_find_used_regs via note_stores.
2669 (copyprop_hardreg_forward): When copying vd from predecessor
2670 which has any queued DEBUG_INSN changes, make sure the pointers are
2671 cleared. At the end call df_analyze and then if there are any
2672 DEBUG_INSN changes queued at the end of some basic block for still
2673 live registers, apply them.
2674 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2676 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2678 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2681 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2683 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2684 targets. Set the default with_cpu/with_arch from arch/cpu.
2685 Allow x86-64 and native for with_cpu/with_arch.
2687 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2689 * ebitmap.c: Change calls to verify_popcount with calls to
2690 sbitmap_verify_popcount.
2691 (ebitmap_clear_bit): Fixed map->cacheindex test and
2692 map>cache update when bit clearing results in an empty
2695 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2698 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2699 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2700 and support both V2DF and V2DI modes.
2701 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2702 support both V2DF and V2DI modes.
2703 (general): Delete trailing whitespace from a few patterns.
2705 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2706 V2DF/V2DI interleave high/low builtins.
2708 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2711 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2712 interleave high/low functions.
2714 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2716 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2717 #pragma extern_prefix.
2719 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2722 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2723 BLKmode, assert op0 is a MEM and just adjust its mode.
2726 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2727 if bitpos isn't multiple of mode's bitsize.
2729 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2731 * c.opt (-ftemplate-depth=): New.
2732 (-ftemplate-depth-): Deprecate.
2733 * optc-gen.awk: Handle -ftemplate-depth=.
2734 * opth-gen.awk: Likewise.
2735 * c-opts.c (c_common_handle_option): Likewise.
2736 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2738 2010-02-24 Jason Merrill <jason@redhat.com>
2740 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2742 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2744 * cfg.c (alloc_aux_for_block): Remove inline.
2745 (alloc_aux_for_edge): Likewise.
2747 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2749 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2751 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2753 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2754 * config/i386/sol2-gas.h: New file.
2755 * config.gcc (i[34567]86-*-solaris2*): Use it.
2757 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2760 * c-typeck.c (ep_convert_and_check): New.
2761 (build_conditional_expr): Use it.
2762 (build_binary_op): Likewise.
2764 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2766 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2769 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2770 bounds even for -O+.
2771 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2772 expr needs to have DECL_NAME set.
2774 2010-02-24 Nick Clifton <nickc@redhat.com>
2776 * config/mep/mep.c: Include gimple.h.
2777 (mep_function_uses_sp): Delete unused function.
2778 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2779 parameters. Use unsigned integers to count args. Return a
2780 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2782 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2785 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2786 greater or equal to nelt instead of 2 * nelt.
2787 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2790 2010-02-23 Jason Merrill <jason@redhat.com>
2793 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2794 in cfun->local_decls even if they have register types.
2797 * stor-layout.c (place_field): Don't warn about unnecessary
2798 DECL_PACKED if the type is packed.
2800 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2803 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2804 GOTOFF relocs, even when the base reg isn't pic pointer.
2806 2010-02-23 Michael Matz <matz@suse.de>
2809 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2810 (expand_gimple_basic_block): Generate and use debug temps if there
2811 are debug uses left after the last real use of TERed ssa names.
2812 Unlink debug immediate uses when they are expanded.
2814 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2817 * config/i386/i386.c (override_options): Reorganise to provide
2818 better error messages.
2820 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2823 * graphite-scop-detection.c (create_single_exit_edge): Move
2824 the call to find_single_exit_edge to....
2825 (create_sese_edges): ...here. Don't handle multiple edges
2826 exiting the function.
2827 (build_graphite_scops): Don't handle multiple edges
2828 exiting the function.
2830 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2833 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2834 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2836 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2839 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2841 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2844 * c-typeck.c (convert_arguments): Print declaration location.
2845 * c-common.c (validate_nargs): Rename as
2846 builtin_function_validate_nargs.
2847 (check_builtin_function_arguments): Update.
2849 2010-02-22 Richard Guenther <rguenther@suse.de>
2852 * tree-inline.c (declare_return_variable): Use the type of
2853 the call stmt lhs if available.
2855 2010-02-22 Duncan Sands <baldrick@free.fr>
2857 * passes.c (register_pass): Always consider all pass lists when
2858 ref_pass_instance_number is zero.
2860 2010-02-22 Richard Guenther <rguenther@suse.de>
2862 PR tree-optimization/42749
2863 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2864 parameter. Do arithmetic in the original type.
2865 (update_accumulator_with_ops): Likewise.
2866 (adjust_accumulator_values): Adjust.
2868 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2870 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2871 (QI to BLKmode splitter): New splitter.
2873 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2875 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2876 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2878 2010-02-22 Richard Guenther <rguenther@suse.de>
2880 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2882 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2884 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2885 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2886 ($(T)crti.o, $(T)crtn.o): Remove rules.
2888 2010-02-21 Tobias Burnus <burnus@net-b.de>
2891 * doc/invoke.texi (-fassociative-math): Document that this
2892 option is automatically enabled for Fortran.
2894 2010-02-20 David S. Miller <davem@davemloft.net>
2896 * configure.ac: Test if linker and assembler properly support
2897 GOTDATA_OP relocations.
2898 * configure: Rebuild.
2899 * config.in: Likewise.
2900 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2901 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2902 (movsi_high_pic): Likewise.
2903 (movdi_lo_sum_pic): Likewise.
2904 (movdi_high_pic): Likewise.
2905 (movsi_pic_gotdata_op): New pattern.
2906 (movdi_pic_gotdata_op): Likewise.
2907 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2908 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
2910 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
2913 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
2914 attribute to ssemul.
2915 (xop_mulv2div2di3_high): Ditto.
2917 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2920 * c.opt (Wconversion-null): New option.
2921 * doc/invoke.texi (Wconversion-null): Document.
2923 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2925 * common.opt (Wlarger-than-): Add Undocumented.
2927 2010-02-19 Mike Stump <mikestump@comcast.net>
2929 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
2931 2010-02-19 Jason Merrill <jason@redhat.com>
2934 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
2935 * configure: Likewise.
2937 2010-02-20 Alan Modra <amodra@gmail.com>
2940 * cgraph.h (cgraph_make_decl_local): Declare.
2941 * cgraph.c (cgraph_make_decl_local): New function.
2942 (cgraph_make_node_local): Use it.
2943 * cgraphunit.c (cgraph_function_versioning): Likewise.
2944 * ipa.c (function_and_variable_visibility): Likewise.
2946 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2949 * except.c (sjlj_emit_function_enter): Don't call
2950 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
2952 * rtl.h (add_reg_br_prob_note): Remove prototype.
2954 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2957 * c-common.c (conversion_warning): Remove widening conversions
2958 before checking the conversion of integers to reals.
2960 2010-02-19 Mike Stump <mikestump@comcast.net>
2963 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
2966 * cgraphunit.c (process_function_and_variable_attributes): Check
2967 DECL_PRESERVE_P instead of looking up attribute "used".
2968 * ipa-pure-const.c (check_decl): Likewise.
2969 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
2970 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
2971 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
2972 instead of attribute "used".
2973 * config/sol2-c.c (solaris_pragma_init): Likewise.
2974 (solaris_pragma_fini): Likewise.
2976 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2978 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
2979 Use XCNEW instead of xcalloc.
2980 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
2981 XNEW instead of xmalloc.
2982 (get_fields): Use XNEWVEC instead of xmalloc.
2985 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
2986 populate vars array.
2987 (create_new_general_access): For debug stmts just reset value.
2988 (get_stmt_accesses): For accesses within debug stmts just record them
2989 using add_access_to_acc_sites instead of preventing the peeling or
2990 counting them as accesses.
2993 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
2995 2010-02-19 Richard Guenther <rguenther@suse.de>
2997 PR tree-optimization/42916
2998 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3001 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3003 * configure.ac: Replace all uses of changequote in macro arguments
3004 with proper quoting.
3006 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3009 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3011 2010-02-19 Richard Guenther <rguenther@suse.de>
3013 PR tree-optimization/42944
3014 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3015 test for aliasing with errno.
3017 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3020 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3021 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3022 * dojump.c: Include output.h.
3023 (inv): New inline function.
3024 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3025 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3026 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3027 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3028 argument, pass it down to other calls.
3029 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3030 add REG_BR_PROB note to the conditional jump.
3031 * cfgexpand.c (add_reg_br_prob_note): Removed.
3032 (expand_gimple_cond): Don't call it, add the probability
3033 as last argument to jumpif_1/jumpifnot_1.
3034 * Makefile.in (dojump.o): Depend on output.h.
3035 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3037 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3038 * stmt.c (do_jump_if_equal): Likewise.
3039 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3040 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3041 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3043 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3044 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3045 jumpifnot_1 callers.
3046 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3048 (store_expr): Adjust jumpifnot caller.
3049 (store_constructor): Adjust jumpif caller.
3052 * gimplify.c (gimple_boolify): For __builtin_expect call
3053 gimple_boolify also on its first argument.
3055 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3057 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3059 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3060 * configure: Regenerated.
3062 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3064 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3065 lang_hooks.types_compatible_p instead of comptypes.
3067 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3069 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3070 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3071 if __prefer_thumb__ is defined.
3073 2010-02-18 Martin Jambor <mjambor@suse.cz>
3075 PR tree-optimization/43066
3076 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3077 array with zero-sized element type.
3079 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3081 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3082 rtx, allocate struct var_loc_node here and return it to the
3083 caller, and only if it is actually needed.
3084 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3085 move it earlier and return immediately if it returns NULL.
3087 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3089 * config/sparc/gas.h: New file. Restore
3090 TARGET_ASM_NAMED_SECTION to its ELF default.
3091 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3093 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3094 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3095 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3096 after sparc/sysv4.h.
3098 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3100 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3102 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3104 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3105 patterns from predicated pattern.
3107 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3110 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3111 for insn mnemonic suffix.
3113 2010-02-17 Richard Guenther <rguenther@suse.de>
3115 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3118 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3121 * caller-save.c (save_call_clobbered_regs): If BB ends with
3122 a DEBUG_INSN, move any notes in between last real insn and the last
3123 DEBUG_INSN after the last DEBUG_INSN.
3125 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
3127 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
3128 Fix return type. Fix argument type. Explain meaning of return value.
3130 2010-02-16 Richard Guenther <rguenther@suse.de>
3132 PR tree-optimization/41043
3133 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
3134 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
3136 (vrp_visit_phi_node): ... but only for loop PHI nodes.
3138 2010-02-16 Ira Rosen <irar@il.ibm.com>
3140 PR tree-optimization/43074
3141 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
3142 * tree-vect-loop.c (vect_analyze_loop_operations): Add
3143 vectorizable cycles in hybrid SLP check.
3144 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
3146 2010-02-16 Richard Guenther <rguenther@suse.de>
3148 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
3149 (true_dependence): If memrefs_conflict_p computes must-alias
3150 trust it. Move TBAA check after offset-based disambiguation.
3151 (canon_true_dependence): Likewise.
3153 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
3155 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
3156 * doc/invoke.texi: Document it.
3157 * var-tracking.c: Include toplev.h and params.h.
3158 (vt_find_locations): Return bool indicating success. Compute
3159 hash sizes unconditionally. Check new parameter, report.
3160 (variable_tracking_main_1): Check vt_find_locations results and
3161 retry. Renamed from...
3162 (variable_tracking_main): ... this. New wrapper to preserve
3163 flag_var_tracking_assignments.
3164 * Makefile.in (var-tracking.o): Adjust dependencies.
3166 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
3167 Jakub Jelinek <jakub@redhat.com>
3170 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
3171 if weak_import attribute is present.
3172 * config/darwin.c (machopic_select_section): Likewise.
3174 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
3176 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
3177 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
3178 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
3179 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
3181 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
3183 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3186 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
3187 Rewrite text to refer to the names.
3189 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
3191 * config/i386/i386-builtin-types.def
3192 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
3193 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
3194 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
3195 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
3196 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
3197 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
3198 IX86_BUILTIN_VPERMIL2PS256.
3199 (MULTI_ARG_4_DF2_DI_I): Defined.
3200 (MULTI_ARG_4_DF2_DI_I1): Defined.
3201 (MULTI_ARG_4_SF2_SI_I): Defined.
3202 (MULTI_ARG_4_SF2_SI_I1): Defined.
3203 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
3204 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
3205 __builtin_ia32_vpermil2ps256.
3206 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3207 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3208 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
3209 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3210 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3211 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
3212 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
3213 CODE_FOR_xop_vpermil2v8sf3.
3214 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
3215 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
3216 * config/i386/xopintrin.h (_mm_permute2_pd): New.
3217 (_mm256_permute2_pd): New.
3218 (_mm_permute2_ps): New.
3219 (_mm256_permute2_ps): New.
3221 2010-02-15 Nick Clifton <nickc@redhat.com>
3223 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
3224 boolean parameters. Use emit_jump_insn when emitting a pop
3225 instruction containing a return insn.
3226 (push): Use 'true' rather than '1' as second parameter to F.
3227 (h8300_expand_prologue): Likewise.
3228 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
3229 (h8300_expand_epilogue): Likewise.
3231 2010-02-15 Richard Guenther <rguenther@suse.de>
3234 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
3237 2010-02-15 Nick Clifton <nickc@redhat.com>
3239 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
3242 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
3244 * intl.c (fake_ngettext): New function.
3245 * intl.h (fake_ngettext): Declare.
3246 (ngettext): Define macro.
3247 * collect2.c (notice_translated): New function.
3248 (main): Use notice_translated and ngettext.
3249 * collect2.h (notice_translated): Declare.
3251 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
3253 * reorg.c (delete_computation): Comment fixes.
3254 * caller-save.c (setup_save_areas): Idem.
3255 * sel-sched-dump.c (dump_lv_set): Idem.
3258 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3260 * config/s390/s390.c (s390_sched_init): New function.
3261 (TARGET_SCHED_INIT): Target hook defined.
3263 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
3264 Jack Howarth <howarth@bromo.med.uc.edu>
3265 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3268 Partial revert of unintended change in fix for PR41605.
3269 * config/darwin.h: Fix typo.
3270 * config/darwin9.h: Same.
3272 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3274 * c-pch.c (pch_init): Clear v.
3276 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3279 * graphite-scop-detection.c (graphite_can_represent_scev): Call
3280 graphite_can_represent_init for MULT_EXPR.
3282 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3286 * graphite-sese-to-poly.c (remove_phi): New.
3287 (translate_scalar_reduction_to_array): Call remove_phi.
3289 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3292 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
3293 * graphite-clast-to-gimple.h (gloog): Update declaration.
3294 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
3295 * graphite-poly.h (struct poly_bb): Add missing comments.
3296 (struct scop): Add poly_scop_p field.
3298 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
3299 * graphite.c (graphite_transform_loops): Build the polyhedral
3300 representation for each scop before code generation.
3301 * sese.c (rename_variables_in_operand): Removed.
3302 (rename_variables_in_expr): Return the renamed expression.
3303 (rename_sese_parameters): New.
3304 * sese.h (rename_sese_parameters): Declared.
3306 2010-02-11 Richard Guenther <rguenther@suse.de>
3308 PR tree-optimization/42998
3309 * tree-ssa-pre.c (create_expression_by_pieces): Treat
3310 POINTER_PLUS_EXPR properly.
3312 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3313 Changpeng Fang <changpeng.fang@amd.com>
3316 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
3317 the cost of an IV candidate when the IV is used in a test against zero.
3319 * gcc.dg/tree-ssa/ivopts-3.c: New.
3321 2010-02-11 Richard Guenther <rguenther@suse.de>
3324 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
3325 pointer-vs-decl case by swapping refs. Handle some cases
3326 of pointer-vs-decl disambiguations more conservatively.
3327 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
3328 to false after expanding.
3330 2010-02-11 Richard Guenther <rguenther@suse.de>
3333 * gcc.c (process_command): Handle LTO file@offset case more
3336 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3338 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
3339 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
3341 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
3343 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
3344 if MEM's mode size isn't DWARF2_ADDR_SIZE.
3345 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
3346 Optimize eq/ne comparisons when both arguments are known to be
3348 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
3349 Don't mask operands unnecessarily if they are known to be already
3352 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
3354 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
3357 2010-02-10 Richard Guenther <rguenther@suse.de>
3359 PR tree-optimization/43017
3360 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
3361 for wrapping signed arithmetic.
3363 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3366 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
3367 if no debug info should be emitted for it.
3369 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3371 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
3372 note when flag_exceptions is set.
3374 2010-02-10 Duncan Sands <baldrick@free.fr>
3376 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
3378 2010-02-10 Richard Guenther <rguenther@suse.de>
3381 * tree.c (get_unwidened): Handle constants.
3382 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
3384 2010-02-10 Martin Jambor <mjambor@suse.cz>
3387 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
3388 check for variable argument counts independently.
3390 2010-02-10 Christian Bruel <christian.bruel@st.com>
3393 * config/sh/sh.c (find_barrier): Increase length for non delayed
3394 conditional branches.
3396 2010-02-10 Christian Bruel <christian.bruel@st.com>
3398 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
3400 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3402 * builtins.c (set_builtin_user_assembler_name): Also handle
3403 ffs if int is smaller than word.
3405 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
3408 * ira-conflicts.c (get_dup): Remove.
3409 (process_reg_shuffles): Add new parameter. Use it as an
3410 additional guard for copy generation.
3411 (add_insn_allocno_copies): Rewrite.
3413 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
3415 * common.opt (fsched2-use-traces): Preserved for backward
3417 * doc/invoke.texi: Remove the documentation about option
3418 -fsched2-use-traces.
3419 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
3420 flag_sched2_use_traces.
3421 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
3422 the backward compatibility flag section.
3424 2010-02-09 Richard Guenther <rguenther@suse.de>
3426 PR tree-optimization/43008
3427 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
3428 make HEAP variables initialized from global memory if they
3429 are not known builtin functions.
3430 (find_func_aliases): Adjust.
3432 2010-02-09 Richard Guenther <rguenther@suse.de>
3434 PR tree-optimization/43000
3435 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
3436 arithmetic manually.
3438 2010-02-08 Jakub Jelinek <jakub@redhat.com>
3440 PR tree-optimization/42931
3441 * tree-loop-linear.c (try_interchange_loops): Don't call
3442 double_int_mul if estimated_loop_iterations failed.
3444 2010-02-08 Martin Jambor <mjambor@suse.cz>
3447 * tree-sra.c (build_accesses_from_assign): Do not mark in
3448 should_scalarize_away_bitmap if stmt has volatile ops.
3449 (sra_modify_assign): Do not process assigns piecemeal if if stmt
3452 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
3454 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
3456 2010-02-07 Adam Nemet <adambnmet@gmail.com>
3458 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
3461 2010-02-07 Andrew Pinski <pinskia@gmail.com>
3464 * df-core.c (df_finish_pass): Change type of saved_flags to int.
3466 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3469 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
3470 to unknown_dependence.
3471 (graphite_legal_transform_dr): Handle the unknown_dependence.
3472 (graphite_carried_dependence_level_k): Same.
3474 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3476 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
3478 2010-02-07 Richard Guenther <rguenther@suse.de>
3481 * expr.c (get_inner_reference): Always initialize *pbitsize.
3483 2010-02-07 Richard Guenther <rguenther@suse.de>
3486 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
3487 new ARRAY_REFs on variable size element or minimal index arrays.
3489 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
3490 gimple_fold_indirect_ref.
3492 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
3495 * arm.c (arm_override_options): Just return if the user has specified
3496 an invalid fpu name.
3498 2010-02-03 Jason Merrill <jason@redhat.com>
3501 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
3502 i386_pe_maybe_record_exported_symbol.
3504 2010-02-05 Steve Ellcey <sje@cup.hp.com>
3507 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3508 (pa_delegitimize_address): New function.
3510 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
3512 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
3513 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
3515 2010-02-05 Richard Guenther <rguenther@suse.de>
3518 * lto-streamer-in.c (get_resolution): Deal with references
3519 to undefined functions.
3521 2010-02-05 Richard Guenther <rguenther@suse.de>
3523 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
3524 (fold_const_aggregate_ref): Likewise.
3525 (ccp_fold_stmt): Substitute loads.
3526 (maybe_fold_reference): Verify types before substituting.
3528 (fold_gimple_assign): Unshare properly.
3529 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
3531 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
3533 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
3534 for rs6000_gen_cell_microcode.
3536 2010-02-04 Richard Guenther <rguenther@suse.de>
3538 PR rtl-optimization/42952
3539 * dse.c (const_or_frame_p): Remove MEM handling.
3541 2010-02-04 Nick Clifton <nickc@redhat.com>
3543 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
3544 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
3545 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
3546 (mn10300_asm_output_mi_thunk): New function.
3547 (mn10300_can_output_mu_thunk): New function.
3548 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
3549 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
3550 (FUNCTION_ARG): Delete incorrect comment.
3552 2010-02-03 Jason Merrill <jason@redhat.com>
3555 * fold-const.c (operand_equal_p): Handle erroneous types.
3557 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3559 * config/h8300/h8300.md (can_delay): Fix attibute condition.
3561 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
3563 PR rtl-optimization/42941
3564 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
3567 2010-02-03 Jason Merrill <jason@redhat.com>
3570 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
3572 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
3575 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
3576 (cselib_reset_table): Renamed from...
3577 (cselib_reset_table_with_next_value): ... this.
3578 (cselib_get_next_uid): Renamed from...
3579 (cselib_get_next_unknown_value): ... this.
3580 * cselib.c (next_uid): Renamed from...
3581 (next_unknown_value): ... this.
3582 (cselib_clear_table): Adjust.
3583 (cselib_reset_table): Adjust. Renamed from...
3584 (cselib_reset_table_with_next_value): ... this.
3585 (cselib_get_next_uid): Adjust. Renamed from...
3586 (cselib_get_next_unknown_value): ... this.
3587 (get_value_hash): Use hash.
3588 (cselib_hash_rtx): Likewise.
3589 (new_cselib_val): Adjust. Set and dump uid.
3590 (cselib_lookup_mem): Pass next_uid as hash.
3591 (cselib_subst_to_values): Likewise.
3592 (cselib_log_lookup): Dump uid.
3593 (cselib_lookup): Pass next_uid as hash. Adjust.
3594 (cselib_process_insn): Adjust.
3595 (cselib_init): Initialize next_uid.
3596 (cselib_finish): Adjust.
3597 (dump_cselib_table): Likewise.
3598 * dse.c (canon_address): Dump value uid.
3599 * print-rtl.c (print_rtx): Print value uid.
3600 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
3602 (dv_uid): New function, sort of renamed from...
3603 (dv_htab_hash): ... this, reimplemented in terms of it and...
3604 (dv_uid2hash): ... this. New.
3605 (variable_htab_eq): Drop excess assertions.
3606 (tie_break_pointers): Removed.
3607 (canon_value_cmp): Compare uids.
3608 (variable_post_merge_New_vals): Print uids.
3609 (vt_add_function_parameters): Adjust.
3610 (vt_initialize): Reset table. Adjust.
3612 2010-02-03 Richard Guenther <rguenther@suse.de>
3614 PR tree-optimization/42944
3615 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
3616 (call_may_clobber_ref_p_1): Likewise. Properly handle
3617 malloc and calloc clobbering errno.
3619 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
3621 * doc/invoke.texi: Fix name of sched1 dump.
3623 * opts.c (decode_options): Set flag_tree_switch_conversion
3624 only conditionally on optimize >= 2.
3626 * gcse.c: Assorted comment fixes in pass description.
3628 2010-02-03 Anthony Green <green@moxielogic.com>
3630 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
3631 nop padding in order to maintain alignment of storage location of
3632 target function address.
3633 (moxie_trampoline_init): Store target function address at newly
3635 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
3637 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
3639 2010-02-03 Richard Guenther <rguenther@suse.de>
3642 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
3644 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3646 * config.gcc: Reenable check for obsolete targets.
3647 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
3648 mips-sgi-irix6.[0-4]*.
3650 2010-02-02 Nick Clifton <nickc@redhat.com>
3652 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
3653 constant size of 4 as being the same as 0.
3654 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
3655 can take values in the range 0..4.
3657 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
3660 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
3661 as _darwin10_Unwind_FindEnclosingFunction().
3662 * libgcc-libsystem.ver: New.
3664 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
3667 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
3668 implicitly set registers.
3670 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
3672 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
3673 (arm_override_options): Allow automatic selection of the thread
3674 pointer register if thumb2.
3675 (legitimize_pic_address): Improve code sequences for Thumb2.
3676 (arm_call_tls_get_addr): Likewise.
3677 (legitimize_tls_address): Likewise.
3678 * arm.md (pic_load_addr_arm): Delete. Replace with ...
3679 (pic_load_addr_32bit): ... this. New named pattern.
3680 * thumb2.md (pic_load_addr_thumb2): Delete.
3681 (pic_load_dot_plus_four): Delete.
3682 (tls_load_dot_plus_four): New named pattern.
3684 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3687 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
3688 Document fix for TLS bug.
3690 2010-01-31 Richard Guenther <rguenther@suse.de>
3692 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
3693 conservatively correct.
3695 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3699 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3701 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3703 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3705 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
3707 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
3709 * config.gcc: Adjust order of makefile fragments for mingw targets.
3711 2010-01-31 Richard Guenther <rguenther@suse.de>
3714 * gimplify.c (gimplify_init_constructor): For volatile LHS
3715 initialize a temporary.
3717 2010-01-31 Matthias Klose <doko@ubuntu.com>
3719 * configure.ac: Fix __stack_chk_fail check for cross builds configured
3721 * configure: Regenerate.
3723 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
3725 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3726 the same alias set and their sizes different constantness.
3727 (aliasing_component_refs_p): Revert 2009-10-24 change.
3729 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3731 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
3734 2010-01-29 Richard Guenther <rguenther@suse.de>
3736 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
3737 Assert we successfully updated the call.
3739 2010-01-29 Jakub Jelinek <jakub@redhat.com>
3741 PR rtl-optimization/42889
3742 * df.h (df_set_bb_dirty_nonlr): New prototype.
3743 * df-core.c (df_set_bb_dirty_nonlr): New function.
3744 * df-scan.c (df_insn_rescan): Call it instead of
3745 df_set_bb_dirty for DEBUG_INSNs.
3747 2010-01-29 Richard Guenther <rguenther@suse.de>
3750 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
3751 quadratic behavior in most cases.
3753 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
3756 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
3757 in the call to gen_x86_movsicc_0_m1.
3759 2010-01-28 Richard Guenther <rguenther@suse.de>
3761 PR tree-optimization/42871
3762 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
3764 2010-01-28 Richard Guenther <rguenther@suse.de>
3766 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
3767 into call arguments.
3769 2010-01-28 Richard Guenther <rguenther@suse.de>
3772 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
3773 the forwarder if the destination is an EH landing pad.
3775 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
3777 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
3778 block list passed to gimple_duplicate_sese_tail.
3779 (parallelize_loops): Avoid parallelization when the function
3781 Avoid parallelization when the preheader is IRREDUCIBLE.
3782 Try to optimize when estimated_loop_iterations_int is unresolved.
3783 Add the loop's location to the dump file.
3784 * tree-cfg.c (add_phi_args_after_redirect): Remove.
3785 (gimple_duplicate_sese_tail): Remove the check for the latch.
3786 Redirect nexits to the exit block.
3787 Remove handling of the incoming edges to the latch.
3788 Redirect the backedge from the copied latch to the exit bb.
3790 2010-01-28 Michael Matz <matz@suse.de>
3793 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
3794 Wrap force_reg into a sequence, emit it before user.
3796 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
3798 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
3800 (arm_legacy_rev): Likewise.
3801 (thumb_legacy_rev): Likewise.
3803 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3805 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
3806 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
3807 on MEM's address failed, try avoid_constant_pool_reference and
3808 recurse if it returned something different.
3809 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
3810 address, try avoid_constant_pool_reference and recurse if it
3811 returned something different.
3812 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
3813 address and avoid_constant_pool_reference returned something
3814 different, don't set have_address.
3816 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
3819 * var-tracking.c (val_store): Add modified argument, obey it.
3821 (count_uses): Move down logging of main.
3822 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
3823 don't need resolution.
3824 (emit_notes_in_bb): Likewise.
3826 2010-01-27 Richard Guenther <rguenther@suse.de>
3829 * tree-inline.c (remap_decl): Delay remapping of SSA name
3830 default definitions until we need them.
3832 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3834 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3835 (rs6000_delegitimize_address): New function.
3837 * config/s390/s390.c (s390_delegitimize_address): Call
3838 delegitimize_mem_from_attrs.
3841 * tree-inline.c (cannot_copy_type_1): Removed.
3842 (copy_forbidden): Don't forbid copying of functions containing
3843 records/unions with variable length fields.
3845 2010-01-27 Christian Bruel <christian.bruel@st.com>
3849 * config/sh/sh.c (find_barrier): Increase length for non delayed
3850 conditional branches.
3852 2010-01-27 Matthias Klose <doko@ubuntu.com>
3854 * configure.ac (gnu-unique-object): Fix ldd version check.
3855 * configure: Regenerate.
3857 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3859 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
3861 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
3862 Test for HAVE_GNU_AS value.
3864 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3866 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
3867 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
3868 INT64_TYPE): Define.
3869 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
3870 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3871 INT_LEAST64_TYPE): Define.
3872 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
3873 UINT_LEAST64_TYPE): Define.
3874 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
3875 INT_FAST64_TYPE): Define.
3876 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3877 UINT_FAST64_TYPE): Define.
3878 (INTMAX_TYPE, UINTMAX_TYPE): Define.
3879 (INTPTR_TYPE, UINTPTR_TYPE): Define.
3880 (SIG_ATOMIC_TYPE): Define.
3882 2010-01-26 Richard Guenther <rguenther@suse.de>
3884 * df-scan.c (df_scan_set_bb_info): Remove assert.
3885 (df_insn_rescan_debug_internal): Merge asserts.
3886 (df_install_ref): Likewise.
3887 (df_mark_reg): Use bitmap_set_range.
3888 (df_hard_reg_used_p): Remove assert.
3889 (df_hard_reg_used_count): Likewise.
3891 2010-01-26 Richard Guenther <rguenther@suse.de>
3893 PR rtl-optimization/42685
3894 * web.c (web_main): Ignore DEBUG_INSNs.
3896 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
3898 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
3900 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
3901 Fix types of fndecl and arglist parameters.
3903 2010-01-26 Richard Guenther <rguenther@suse.de>
3906 * tree-eh.c (unsplit_eh): Skip debug insns.
3908 2010-01-26 Richard Guenther <rguenther@suse.de>
3910 PR tree-optimization/42250
3911 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
3913 2010-01-26 Jakub Jelinek <jakub@redhat.com>
3916 * omp-low.c (expand_omp_sections): Only use single_pred if
3917 l2_bb is single_pred_p.
3919 2010-01-25 Christian Bruel <christian.bruel@st.com>
3922 * config/sh/sh.c (find_barrier): Increase length for non delayed
3923 conditional branches.
3924 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
3926 2010-01-24 David S. Miller <davem@davemloft.net>
3928 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
3929 define if not using GAS.
3930 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3931 Likewise. Delete SECTION_MERGE code, which is only applicable
3934 2010-01-24 Mark Mitchell <mark@codesourcery.com>
3937 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
3938 mangling of va_list in system headers.
3940 2010-01-23 Toon Moene <toon@moene.org>
3942 * tree-predcom.c (combine_chains): Return NULL, not false.
3944 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
3946 * tree-loop-distribution.c (distribute_loop): Fix declaration and
3947 initialization of variable res to agree with return type.
3949 2010-01-22 Steve Ellcey <sje@cup.hp.com>
3951 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
3952 * tree-sra.c: Add include of expr.h.
3954 2010-01-22 Jakub Jelinek <jakub@redhat.com>
3956 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
3957 insert the debug stmt on the single non-EH edge from the stmt.
3959 2010-01-22 Richard Henderson <rth@redhat.com>
3962 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
3963 the RHS until after generate_subtree_copies has insertted its
3964 code before the current statement.
3966 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
3968 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
3970 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
3972 2010-01-21 Martin Jambor <mjambor@suse.cz>
3974 PR tree-optimization/42585
3975 * tree-sra.c (struct access): New field grp_total_scalarization.
3976 (dump_access): Dump the new field.
3977 (should_scalarize_away_bitmap): New variable.
3978 (cannot_scalarize_away_bitmap): Likewise.
3979 (sra_initialize): Allocate new bitmaps.
3980 (sra_deinitialize): Free new bitmaps.
3981 (create_access_1): New function.
3982 (create_access): Parts moved to create_access_1.
3983 (type_consists_of_records_p): New function.
3984 (completely_scalarize_record): Likewise.
3985 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
3986 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
3987 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
3989 (analyze_all_variable_accesses): Completely scalarize small eligible
3992 2010-01-21 Martin Jambor <mjambor@suse.cz>
3994 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
3996 2010-01-21 Andrew Haley <aph@redhat.com>
3998 * gcc.c (process_command): Move lang_specific_driver before
3999 setting cc_libexec_prefix.
4001 2010-01-21 Richard Guenther <rguenther@suse.de>
4004 * fold-const.c (negate_expr_p): Pretend only negative
4005 real constants are easily negatable.
4007 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4008 Jason Merrill <jason@redhat.com>
4010 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4011 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4012 * calls.c (initialize argument_information): Handle it.
4013 * c-common.c (handle_transparent_union_attribute): Use new name.
4014 * c-decl.c (finish_struct): Ditto.
4015 * c-typeck.c (type_lists_compatible_p): Ditto.
4016 (convert_for_assignment): Use new name and also handle record.
4017 * function.c (aggregate_value_p): Handle it.
4018 (pass_by_reference): Ditto.
4019 (assign_parm_data_types): Ditto.
4020 * print-tree.c (print_node): Ditto.
4021 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
4022 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
4023 * tree.c (first_field): New fn.
4025 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4028 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
4029 even when linking statically, for now.
4031 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4034 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4035 without a cselib val.
4036 (count_uses): Accept MO_VAL_SET with no val on stores.
4037 (add_stores): Likewise.
4039 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4041 * var-tracking.c (check_value_val): Add a compile time assertion.
4042 (dv_is_decl_p): Simplify.
4043 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4044 gcc_assert if ENABLE_CHECKING.
4046 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4049 * var-tracking.c: Include tree-flow.h.
4050 (mem_dies_at_call): New.
4051 (dataflow_set_preserve_mem_locs): Use it.
4052 (dataflow_set_remove_mem_locs): Likewise.
4053 (dump_var): Renamed from dump_variable. Adjust all callers.
4054 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4055 * Makefile.in (var-tracking.o): Adjust deps.
4057 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4059 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
4061 2010-01-20 Richard Guenther <rguenther@suse.de>
4063 PR tree-optimization/42717
4064 * tree-ssa-dce.c (get_live_post_dom): Remove.
4065 (forward_edge_to_pdom): Take an arbitrary edge to copy
4066 degenerate PHI args from.
4067 (remove_dead_stmt): Use the first post-dominator even if it
4068 does not contain live statements as redirection destination.
4070 2010-01-20 Richard Guenther <rguenther@suse.de>
4072 * tree-inline.c (estimate_num_insns): Handle EH builtins.
4074 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4076 * sel-sched.c (create_speculation_check): Remove set but not used
4078 (try_transformation_cache): Remove set but not used variable ds.
4079 (calculate_privileged_insns): Remove set but not used variables
4080 cur_insn and min_spec_insn.
4081 (find_best_expr): Remove set but not used variable avail_n.
4082 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
4084 * cgraphunit.c (assemble_thunk): Remove set but not used variable
4086 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
4087 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
4090 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
4093 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
4094 cpu types. Add support for *-sse3 cpu types.
4095 (x86_64-*-*): Ditto.
4097 2010-01-20 Jakub Jelinek <jakub@redhat.com>