1 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3 * config/picochip/picochip.c (picochip_rtx_costs): Use correct function
5 (picochip_override_options): Enable section anchors only above O1.
6 (picochip_reorg): Fixed a couple of build warnings.
8 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10 * configure.ac (plugin -rdynamic test): Log result.
11 * configure: Regenerate.
12 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
13 (RDYNAMIC_SPEC): Define.
14 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
16 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
18 * configure.ac: Determine Sun ld version numbers.
19 (comdat_group): Restrict GNU ld version checks to gld.
20 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
21 (enable_comdat): Support --enable-comdat.
22 * configure: Regenerate.
23 * doc/install.texi (Configuration): Document --enable-comdat.
25 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
27 * config/sparc/sol2-gld.h: Remove SPARC reference.
29 * config/sol2-gld.h: ... here.
30 * config.gcc (sparc*-*-solaris2*): Reflect this.
31 (i[34567]86-*-solaris2*): Use it.
33 2010-04-09 Steve Ellcey <sje@cup.hp.com>
35 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
37 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
39 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
42 * diagnostic.c (diagnostic_initialize): Initialize
43 some_warnings_are_errors.
44 (diagnostic_finish): New.
45 (diagnostic_action_after_output): Call it before exiting.
46 (diagnostic_report_diagnostic): Do not print message here. Set
47 some_warnings_are_errors.
48 * diagnostic.h (diagnostic_context): Delete
49 issue_warnings_are_errors_message. Add some_warnings_are_errors.
50 (diagnostic_finish): Declare.
51 * toplev.c (toplev_main): Call it before exit.
53 2010-04-09 Jason Merrill <jason@redhat.com>
56 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
60 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
61 based on a warning flag.
63 2010-04-09 Richard Guenther <rguenther@suse.de>
65 * tree-pretty-print.c (dump_generic_node): Dump
68 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
71 * varasm.c (default_assemble_visibility): Wrap vars that are
72 set, but unused, by targets without GAS.
73 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
74 Remove set, but unused, vars.
75 (rs6000_legitimize_tls_address): Likewise.
76 (altivec_expand_dst_builtin): Likewise.
77 * config/darwin.c (machopic_classify_symbol): Likewise.
78 (machopic_indirection_name): Likewise.
80 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
82 * config/i386/i386.md (DWI): New mode iterator.
83 (S): New mode attribute.
84 (shift_operand): Ditto.
85 (shift_immediate_operand): Ditto.
86 (ashl_input_operand): Ditto.
87 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
88 using SDWIM mode iterator.
89 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
90 pattern from *ashl{di,ti}3_1 and corresponding splitters using
92 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
93 from corresponding peephole2 patterns.
94 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
95 and x86_64_shift_adj_1 using SWI48 mode iterator.
96 (x86_shift<mode>_adj_2): Ditto.
97 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
98 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
99 using SWI48 mode iterator.
100 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
101 *ashldi3_cmp_rex64 using SWI mode iterator.
102 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
103 *ashldi3_cconly_rex64 using SWI mode iterator.
104 * config/i386/i386.c (ix86_split_ashl): Update for renamed
105 x86_shift<mode>_adj_{1,2}.
106 (ix86_split_ashr): Ditto.
107 (ix86_split_lshr): Ditto.
109 2010-04-09 Richard Guenther <rguenther@suse.de>
111 * target.h (builtin_conversion): Pass in input and output types.
112 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
113 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
114 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
115 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
117 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
119 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
121 2010-04-09 Richard Guenther <rguenther@suse.de>
124 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
126 2010-04-09 Richard Guenther <rguenther@suse.de>
128 * tree-vectorizer.h (struct _stmt_vec_info): Document
129 that vectype is the type of the LHS.
130 (supportable_widening_operation, supportable_narrowing_operation):
131 Get both input and output vector types as arguments.
132 (vect_is_simple_use_1): Declare.
133 (get_same_sized_vectype): Likewise.
134 * tree-vect-loop.c (vect_determine_vectorization_factor):
135 Set STMT_VINFO_VECTYPE to the vector type of the def.
136 (vectorizable_reduction): Adjust.
137 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
138 Adjust. Specify the output vector type.
139 (vect_pattern_recog_1): Adjust.
140 * tree-vect-stmts.c (get_same_sized_vectype): New function.
141 (vectorizable_call): Adjust.
142 (vectorizable_conversion): Likewise.
143 (vectorizable_operation): Likewise.
144 (vectorizable_type_demotion): Likewise.
145 (vectorizable_type_promotion): Likewise.
146 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
148 (vect_is_simple_use_1): New function.
149 (supportable_widening_operation): Get both input and output
151 (supportable_narrowing_operation): Likewise.
152 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
154 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
156 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
157 __thiscall and _thiscall as predefined macros.
158 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
159 thiscall attribute handling.
160 (ix86_comp_type_attributes): Likewise.
161 (ix86_function_regparm): Likewise.
162 (ix86_return_pops_args): Likewise.
163 (init_cumulative_args): Likewise.
164 (find_drap_reg): Likewise.
165 (ix86_static_chain): Likewise.
166 (x86_this_parameter): Likewise.
167 (x86_output_mi_thunk): Likewise.
168 (ix86_attribute_table): Add description for thiscall attribute.
169 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
170 * doc/extend.texi: Add documentation for thiscall.
172 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
175 * c.opt (Wint-to-pointer-cast): Available in C++.
176 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
178 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
180 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
181 * calls.c (expand_call): Pass the function type to aggregate_value_p.
182 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
183 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
184 function type instead. Reorder and simplify checks.
186 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
188 2010-04-08 Jing Yu <jingyu@google.com>
189 Zdenek Dvorak <ook@ucw.cz>
191 PR tree-optimization/42720
192 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
193 loop unswitch conditions here from ...
194 (tree_unswitch_single_loop): ... here.
196 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
198 * tree-if-conv.c: Fix comments and simplify logic.
200 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
202 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
203 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
204 (main_tree_if_conversion): Update call to tree_if_conversion.
206 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
209 * doc/invoke.texi (-b,-V): Delete.
210 * doc/tm.texi: Do not mention -b.
211 * gcc.c (display_help): Delete -b and -V.
212 (process_command): Delete -b and -V.
213 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
215 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
216 Wolfgang Gellerich <gellerich@de.ibm.com>
218 Implement target hook for loop unrolling
219 * target.h (loop_unroll_adjust): Add a new target hook function.
220 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
221 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
222 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
223 (s390_loop_unroll_adjust): Implement the new target hook for s390.
224 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
226 (decide_unroll_stupid): Likewise.
228 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
231 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
233 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
235 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
236 (Specific, *-*-solaris2*): Likewise.
237 Don't prefer Sun as over GNU as.
239 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
241 * config/s390/s390.c (override_options): Adjust the z10
242 defaults for max-unroll-times, max-completely-peeled-insns
243 and max-completely-peel-times.
245 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
247 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
248 instructions for z10.
249 (s390_expand_setmem): Likewise.
250 (s390_expand_cmpmem): Likewise.
252 2010-04-08 Richard Guenther <rguenther@suse.de>
254 PR tree-optimization/43679
255 * tree-ssa-pre.c (eliminate): Only propagate copies.
257 2010-04-08 Jakub Jelinek <jakub@redhat.com>
260 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
261 set but not used variable warning.
263 2010-04-08 Wei Guozhi <carrot@google.com>
266 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
267 (arm_size_rtx_costs): Call the new function when optimized for size.
269 2010-04-08 Jakub Jelinek <jakub@redhat.com>
272 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
273 op0 is not a MEM, just return NULL instead of assertion
275 (discover_nonconstant_array_refs): Don't walk debug stmts.
277 2010-04-08 Doug Kwan <dougkwan@google.com>
279 * configure.ac: Recognize gold and do not use its version number
281 * configure: Regenerate.
283 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
286 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
287 (negate_value): Move code to push elements to broken_up_substracts ...
288 (eliminate_plus_minus_pair): ... here. Push operands that have no
289 negative pair to plus_negates.
290 (repropagate_negates, init_reassoc, fini_reassoc): Update.
292 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
294 * doc/install.texi (Configuration): Move description of
295 --enable-lto, --with-libelf*, --enable-gold from Java section to
298 * doc/generic.texi (Working with declarations)
299 (Function Properties, C and C++ Trees): Fix typos.
300 * doc/sourcebuild.texi (Top Level): Likewise.
302 2010-04-07 Jakub Jelinek <jakub@redhat.com>
305 * tree.h (DECL_READ_P): Define.
306 (struct tree_decl_common): Add decl_read_flag.
307 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
308 a set but not used warning.
309 (merge_decls): Merge DECL_READ_P flag.
310 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
311 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
312 * c-common.c (handle_used_attribute, handle_unused_attribute):
314 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
316 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
318 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
319 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
320 c_parser_binary_expression, c_parser_cast_expression,
321 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
322 Call default_function_array_read_conversion instead of
323 default_function_array_conversion where needed.
324 (c_parser_unary_expression, c_parser_conditional_expression,
325 c_parser_postfix_expression_after_primary, c_parser_initelt):
326 Likewise. Call mark_exp_read where needed.
327 (c_parser_statement_after_labels, c_parser_asm_operands,
328 c_parser_typeof_specifier, c_parser_sizeof_expression,
329 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
331 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
333 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
334 (warn_unused_but_set_parameter): Default to warn_unused
336 * doc/invoke.texi: Document -Wunused-but-set-variable and
337 -Wunused-but-set-parameter.
339 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
341 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
342 when operandN variables aren't used in the body of the expander
344 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
345 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
346 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
347 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
348 FOR_EACH_IMM_USE_ON_STMT): Likewise.
349 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
350 * tree.c (PROCESS_ARG): Likewise.
352 2010-04-07 Simon Baldwin <simonb@google.com>
354 * diagnostic.h (diagnostic_override_option_index): New macro to
355 set a diagnostic's option_index.
356 * c-tree.h (c_cpp_error): Add warning reason argument.
357 * opts.c (_warning_as_error_callback): New.
358 (register_warning_as_error_callback): Store callback for
359 warnings enabled via enable_warning_as_error.
360 (enable_warning_as_error): Call callback, minor code tidy.
361 * opts.h (register_warning_as_error_callback): Declare.
362 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
363 response to -Werror=.
364 (c_common_init_options): Register warning_as_error_callback in opts.c.
365 * common.opt: Add -Wno-cpp option.
366 * c-common.c (struct reason_option_codes_t): Map cpp warning
367 reason codes to gcc option indexes.
368 * (c_option_controlling_cpp_error): New function, lookup the gcc
369 option index for a cpp warning reason code.
370 * (c_cpp_error): Add warning reason argument, call
371 c_option_controlling_cpp_error for diagnostic_override_option_index.
372 * doc/invoke.texi: Document -Wno-cpp.
374 2010-04-07 Richard Guenther <rguenther@suse.de>
376 * ipa-reference.c (mark_load): Use get_base_address.
377 (mark_store): Likewise.
379 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
380 inserting GIMPLE_NOPs into the IL.
381 * tree-ssa-structalias.c (get_constraint_for_component_ref):
382 Explicitly strip handled components and indirect references.
384 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
385 folding address expressions.
386 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
387 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
388 operand_equal_p to compare decls.
389 (ptr_deref_may_alias_decl_p): Likewise.
390 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
391 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
392 Handle reversed comparison ops.
393 * tree-sra.c (asm_visit_addr): Use get_base_address.
394 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
395 * ipa-reference.c (mark_address): Use get_base_address.
397 2010-04-07 Richard Guenther <rguenther@suse.de>
399 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
400 Propagate constants everywhere.
402 2010-04-07 Jakub Jelinek <jakub@redhat.com>
405 * tree.c (MAX_INT_CACHED_PREC): Define.
406 (nonstandard_integer_type_cache): New array.
407 (build_nonstandard_integer_type): Cache results for precision
408 <= MAX_INT_CACHED_PREC.
410 2010-04-07 Richard Guenther <rguenther@suse.de>
412 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
413 -fargument-noalias-global, -fargument-noalias-anything): Remove.
414 * common.opt: Likewise.
415 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
416 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
417 (nonoverlapping_memrefs_p): Likewise.
418 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
419 * opts.c (common_handle_option): Handle OPT_fargument_alias,
420 OPT_fargument_noalias, OPT_fargument_noalias_anything and
421 OPT_fargument_noalias_global for backward compatibility.
423 2010-04-07 Richard Guenther <rguenther@suse.de>
425 PR tree-optimization/43270
426 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
427 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
428 * tree-ssa-pre.c (phi_translate_1): Adjust.
429 (fully_constant_expression): Split out vn_reference handling to ...
430 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
431 Fold reads from constant strings.
432 (vn_reference_lookup): Handle fully constant references.
433 (vn_reference_lookup_pieces): Likewise.
434 * Makefile.in (expmed.o-warn): Add -Wno-error.
436 2010-04-07 Martin Jambor <mjambor@suse.cz>
438 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
440 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
443 * gcc.c: Add -static-libstdc++ to list of recognized options.
445 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
447 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
449 2010-04-07 Richard Guenther <rguenther@suse.de>
452 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
453 bases build simple mem attributes to retain points-to information.
455 2010-04-07 Richard Guenther <rguenther@suse.de>
458 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
459 preserve points-to related information.
461 2010-04-07 Richard Guenther <rguenther@suse.de>
464 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
465 discard plain indirect references.
466 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
467 * tree.c (tree_nop_conversion): Likewise.
469 2010-04-07 Dodji Seketeli <dodji@redhat.com>
472 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
474 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
476 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
477 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
479 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
481 * tree-if-conv.c: Fix indentation and comments.
483 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
485 * tree-if-conv.c: Sort static functions in topological order.
487 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
489 * tree-if-conv.c: Fix indentation and comments.
491 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
494 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
495 lang_hooks.types.type_for_size instead of
496 build_nonstandard_integer_type.
497 When converting an unsigned type to signed, double its precision.
498 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
499 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
500 (graphite_create_new_loop_guard): When ub + 1 wraps around,
503 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
506 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
507 POINTER_PLUS_EXPR for pointer types.
509 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
512 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
513 * graphite-clast-to-gimple.c: Include langhooks.h.
514 (max_signed_precision_type): New.
515 (max_precision_type): Takes two types as arguments.
516 (precision_for_value): New.
517 (precision_for_interval): New.
518 (gcc_type_for_interval): New.
519 (gcc_type_for_value): New.
520 (gcc_type_for_clast_term): New.
521 (gcc_type_for_clast_red): New.
522 (gcc_type_for_clast_bin): New.
523 (gcc_type_for_clast_expr): Split up into several functions.
524 (gcc_type_for_clast_eq): Rewritten.
525 (compute_bounds_for_level): New.
526 (compute_type_for_level_1): New.
527 (compute_type_for_level): New.
528 (gcc_type_for_cloog_iv): Removed.
529 (gcc_type_for_iv_of_clast_loop): Rewritten.
530 (graphite_create_new_loop): Compute the lower and upper bound types
531 with gcc_type_for_clast_expr.
532 (graphite_create_new_loop_guard): Same.
533 (find_cloog_iv_in_expr): Removed.
534 (compute_cloog_iv_types_1): Removed.
535 (compute_cloog_iv_types): Removed.
536 (gloog): Do not call compute_cloog_iv_types.
537 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
539 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
540 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
541 (GBB_CLOOG_IV_TYPES): Removed.
543 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
545 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
546 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
547 (detect_commutative_reduction): Same.
549 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
551 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
552 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
554 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
555 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
556 (rewrite_commutative_reductions_out_of_ssa): Same.
557 * passes.c (execute_function_todo): Call verify_ssa for every pass
558 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
559 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
560 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
561 with an extra argument.
562 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
563 verify_ssa only when the extra argument is true.
564 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
565 with an extra argument.
566 (tree_transform_and_unroll_loop): Same.
568 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
570 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
571 for all the passes of the LNO having LOOP_CLOSED_SSA.
572 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
573 * tree-loop-distribution.c (pass_loop_distribution): Same.
574 * tree-pass.h (TODO_verify_loops): Removed.
575 * tree-ssa-loop.c (pass_tree_loop_init): Same.
577 (pass_tree_unswitch): Same.
578 (pass_predcom): Same.
579 (pass_vectorize): Same.
580 (pass_linear_transform): Same.
581 (pass_graphite_transforms): Same.
582 (pass_iv_canon): Same.
583 (pass_complete_unroll): Same.
584 (pass_complete_unrolli): Same.
585 (pass_parallelize_loops): Same.
586 (pass_loop_prefetch): Same.
587 (pass_iv_optimize): Same.
589 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
592 * passes.c (init_optimization_passes): Move pass_lim before
593 pass_copy_prop and pass_dce_loop.
595 2010-04-06 Jakub Jelinek <jakub@redhat.com>
598 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
599 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
600 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
601 MULTI_* defines for 4 argument vpermil2p* builtins.
603 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
605 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
606 * config/i386/i386.c (x86_maybe_negate_const_int): New.
607 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
608 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
609 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
610 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
611 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
612 Use x86_maybe_negate_const_int to output insn mnemonic.
613 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
614 check from instruction predicate. Update comments.
615 * config/i386/sync.md (sync_add<mode>): Use
616 x86_maybe_negate_const_int to output insn mnemonic.
618 2010-04-06 Jan Hubicka <jh@suse.cz>
620 PR tree-optimization/42906
621 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
622 IGNORE_SELF argument. Set visited_control_parents for fully
624 (find_obviously_necessary_stmts): Update call of
625 mark_control_dependent_edges_necessary.
626 (propagate_necessity): Likewise. Handle PHI edges more curefully.
628 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
630 * config/i386/i386.md: Remove comment about 'e' and 'E'
633 2010-04-06 Richard Guenther <rguenther@suse.de>
635 PR tree-optimization/43627
636 * tree-vrp.c (extract_range_from_unary_expr): Widenings
637 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
640 2010-04-06 Jakub Jelinek <jakub@redhat.com>
642 * BASE-VER: Change to 4.6.0.
645 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
648 2010-04-06 Richard Guenther <rguenther@suse.de>
651 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
653 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
655 * doc/invoke.texi (Optimize Options): Document that LTO
656 won't remove object access purely due to incompatible
659 2010-04-04 Matthias Klose <doko@ubuntu.com>
661 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
664 2010-04-03 Richard Guenther <rguenther@suse.de>
667 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
668 require a non-NULL MEM_OFFSET.
670 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
672 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
673 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
674 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
675 config/alpha/predicates.md, config/arm/arm.md,
676 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
677 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
678 config/darwin9.h, config/darwin.c, config/darwin.h,
679 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
680 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
681 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
682 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
683 config/mips/mips.md, config/mn10300/mn10300.c,
684 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
685 config/rs6000/aix.h, config/rs6000/dfp.md,
686 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
687 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
688 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
689 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
690 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
691 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
692 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
693 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
694 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
695 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
696 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
697 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
698 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
699 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
700 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
701 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
702 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
703 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
704 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
705 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
706 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
707 opt-functions.awk, opth-gen.awk, params.def, passes.c,
708 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
709 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
710 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
711 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
712 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
713 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
714 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
715 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
716 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
717 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
718 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
719 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
720 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
721 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
723 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
726 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
727 * aclocal.m4: Regenerate.
729 2010-04-02 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/43629
732 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
733 if we have seen a constant value.
735 2010-04-02 Joseph Myers <joseph@codesourcery.com>
737 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
739 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
742 * arm.c (legitimize_tls_address): Adjust call to
743 gen_tls_load_dot_plus_four.
744 (arm_note_pic_base): New function.
745 (arm_cannot_copy_insn_p): Use it.
746 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
749 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
754 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
756 * Makefile.in ($(out_object_file)): Depend on
757 gt-$(basename $(notdir $(out_file))).h.
759 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
761 * config.gcc (lm32-*-rtems*): Add t-lm32.
763 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
765 * config.gcc: Add lm32-*-rtems*.
766 * config/lm32/rtems.h: New file.
768 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
771 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
773 2010-04-01 Jakub Jelinek <jakub@redhat.com>
775 * dwarf2out.c (output_compilation_unit_header): For
776 -gdwarf-4 use version 4 instead of version 3.
777 (output_line_info): For version 4 and above emit additional
778 maximum ops per insn header field.
779 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
781 * dwarf2out.c (is_c_family, is_java): Remove.
782 (lower_bound_default): New function.
783 (add_bound_info, gen_descr_array_type_die): Use it.
785 2010-04-01 Dodji Seketeli <dodji@redhat.com>
788 * dwarf2out.c (gen_variable_die): Allow debug info for variable
789 re-declaration when it happens in a function.
791 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
793 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
794 (cgraph_remove_function_insertion_hook): Same.
795 (cgraph_call_function_insertion_hooks): Same.
797 2010-04-01 Richard Guenther <rguenther@suse.de>
800 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
801 and TREE_THIS_VOLATILE.
802 (copy_ref_info): Likewise.
803 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
804 * tree.c (build6_stat): Ignore side-effects of all but arg5
805 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
808 2010-04-01 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/43607
811 * ipa-type-escape.c (check_call): Do not access non-existing
814 2010-04-01 Richard Guenther <rguenther@suse.de>
818 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
819 Jack Howarth <howarth@bromo.med.uc.edu>
821 * tree-profile.c (tree_init_ic_make_global_vars): Make static
824 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
826 * doc/install.texi (Prerequisites): Document libelf usability on
827 IRIX 5/6 and Solaris 2.
828 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
829 Update GNU as, GNU ld requirements.
830 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
831 Document Sun Studio compiler download.
832 Update and simplify as, ld recommendations.
833 (Specific, *-*-solaris2.7): Note obsoletion, removal.
835 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
837 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
838 with_tune_32 to pentium4.
840 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
842 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
844 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
846 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
849 Document GNU as requirement.
850 Update configure requirements.
851 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
852 Recomment IRIX 6.5.18+.
853 Document IDF/IDL requirement.
854 Document GNU as requirement.
855 Document GNU ld bootstrap failure.
856 Remove freeware.sgi.com reference.
858 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
860 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
861 UNIX V4.0, V5.0 obsoletion, removal.
862 Remove --with-gc=simple reference.
863 Update VM requirements during bootstrap.
864 Remove -oldas bootstrap description.
865 Update binutils reference.
866 Remove comparison failure note.
868 2010-03-31 Richard Guenther <rguenther@suse.de>
869 Zdenek Dvorak <ook@ucw.cz>
870 Sebastian Pop <sebastian.pop@amd.com>
873 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
874 with multiple arguments.
875 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
877 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
879 * graphite-dependences.c (print_pddr): Call print_pdr with an
881 * graphite-poly.c (debug_pdr): Add an extra argument for the
884 (print_pbb_domain): Same.
886 (print_scop_context): Same.
889 (debug_pbb_domain): Same.
893 (debug_scop_context): Same.
896 (print_scop_params): Same.
897 (debug_scop_params): Same.
898 (print_iteration_domain): Same.
899 (print_iteration_domains): Same.
900 (debug_iteration_domain): Same.
901 (debug_iteration_domains): Same.
902 (print_scattering_function): Same.
903 (print_scattering_functions): Same.
904 (debug_scattering_function): Same.
905 (debug_scattering_functions): Same.
906 * graphite-poly.h (debug_pdr): Update declaration.
908 (print_pbb_domain): Same.
910 (print_scop_context): Same.
913 (debug_pbb_domain): Same.
917 (debug_scop_context): Same.
920 (print_scop_params): Same.
921 (debug_scop_params): Same.
922 (print_iteration_domain): Same.
923 (print_iteration_domains): Same.
924 (debug_iteration_domain): Same.
925 (debug_iteration_domains): Same.
926 (print_scattering_function): Same.
927 (print_scattering_functions): Same.
928 (debug_scattering_function): Same.
929 (debug_scattering_functions): Same.
931 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
933 * graphite-poly.c (print_scattering_function_1): New.
934 (print_scattering_function): Call it.
935 (print_scop_params): Remove spaces at the end of lines.
938 * graphite-poly.h (print_cloog): Declared.
939 (debug_cloog): Declared.
941 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
943 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
945 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
946 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
947 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
948 to switch between adding the IV bump in loop->latch or in loop->header.
950 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
952 * graphite-poly.c (print_scattering_function): Pretty print following
955 (print_pbb_domain): Same.
956 (dump_gbb_cases): Same.
957 (dump_gbb_conditions): Same.
960 (print_scop_params): Same.
961 (print_scop_context): Same.
963 (print_pbb_body): New.
964 (lst_indent_to): New.
965 (print_lst): Start new lines with a #.
966 * graphite-poly.h (pbb_bb): New.
967 (pbb_index): Use pbb_bb.
968 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
970 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
972 2010-03-31 Jakub Jelinek <jakub@redhat.com>
974 * dwarf2out.c (size_of_die): For -gdwarf-4 use
975 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
976 and 0 instead of 1 for dw_val_class_flag.
977 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
978 dw_val_class_range_list, dw_val_class_loc_list,
979 dw_val_class_lineptr and dw_val_class_macptr, use
980 DW_FORM_flag_present for dw_val_class_flag and
981 DW_FORM_exprloc for dw_val_class_loc.
982 (output_die): For -gdwarf-4 print dw_val_class_loc
983 size as uleb128 instead of 1 or 2 bytes and don't print
984 anything for dw_val_class_flag.
986 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
987 instead of cselib_lookup following by tweaking locs->setting_insn.
990 * cselib.c (cselib_process_insn): Clear cselib_current_insn
991 even before returning from label, setjmp call or volatile asm
994 2010-03-31 Richard Guenther <rguenther@suse.de>
997 * cgraphunit.c (cgraph_output_in_order): Do not allocate
998 temporary data on stack.
1000 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1002 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1003 (PUSHSECTION_ASM_OP): Remove.
1004 (POPSECTION_ASM_OP): Remove.
1005 (PUSHSECTION_FORMAT): Remove.
1006 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1007 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1008 * config/sol2.c (solaris_output_init_fini): Use it.
1010 2010-03-31 Jie Zhang <jie@codesourcery.com>
1013 * opt-functions.awk (var_type_struct): Use signed char type
1014 for simple variables.
1016 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1018 * config/sol2.c: Include output.h.
1019 (solaris_assemble_visibility): New function.
1020 * config/t-sol2 (sol2.o): Add output.h dependency.
1021 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1022 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1025 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1028 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1029 V2SImode or XFmode on PRE_DEC.
1032 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1035 2010-03-31 Jie Zhang <jie@codesourcery.com>
1038 * reload.h (caller_save_initialized_p): Declare.
1039 * toplev.c (backend_init_target): Don't call
1040 init_caller_save but set caller_save_initialized_p to false.
1041 * caller-save.c (caller_save_initialized_p): Define.
1042 (init_caller_save): Check caller_save_initialized_p.
1043 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1045 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1048 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1049 and soft-fp/t-softfp to tmake_file.
1050 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1051 (LIBGCC2_TF_CEXT): Define.
1054 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1057 * cselib.c (n_useless_values): Document handling of debug locs.
1058 (n_useless_debug_values, n_debug_values): New variables.
1059 (new_elt_loc_list): Don't add to debug values, keep count.
1060 (promote_debug_loc): New.
1061 (cselib_reset_table): Zero new variables.
1062 (entry_and_rtx_equal_p): Promote debug locs.
1063 (discard_useless_locs): Increment n_useless_debug_values for
1065 (remove_useless_values): Adjust n_useless_values and n_debug_values
1066 with n_useless_debug_values.
1067 (add_mem_for_addr): Promote debug locs.
1068 (cselib_lookup_mem): Likewise.
1069 (cselib_lookup_addr): Renamed to...
1070 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1071 (cselib_log_lookup): ... this. Turn into...
1072 (cselib_lookup_addr): ... new wrapper.
1073 (cselib_lookup_from_insn): New.
1074 (cselib_invalidate_regno): Increment n_useless_debug_values for
1076 (cselib_invalidate_mem): Likewise.
1077 (cselib_process_insn): Take n_deleted and n_debug_values into
1078 account to guard remove_useless_value call.
1079 (cselib_finish): Zero n_useless_debug_values.
1080 * cselib.h (cselib_lookup_from_insn): Declare.
1081 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1082 (sched_analyze_2): Likewise.
1084 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1086 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1088 (adjust_mems): Replace narrowing SUBREG of expression containing
1089 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1090 with operations in the narrower mode.
1093 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1094 regs_invalidated_by_call instead all call_used_reg_set registers.
1096 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1099 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1100 pointer comparisons with types_compatible_p.
1101 * tree-vect-stmts.c (vectorizable_call): Same.
1102 (vectorizable_condition): Same.
1104 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1106 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1107 stack check if the mask would be zero.
1109 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1110 Jack Howarth <howarth@bromo.med.uc.edu>
1112 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1115 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1118 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1120 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1121 Include ___unordxf2 and ___unordtf2.
1122 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1125 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1127 * config/lm32/t-lm32: New file.
1128 * config.gcc: Use the above file when targetting lm32.
1130 2010-03-28 Duncan Sands <baldrick@free.fr>
1132 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1134 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1137 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1138 Improve vectorization cost model diagnostic.
1140 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1143 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1144 compute_data_dependences_for_loop returns false, early exit
1145 and output an extra diagnostic for the failed data reference
1148 2010-03-29 Richard Guenther <rguenther@suse.de>
1150 PR tree-optimization/43560
1151 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1152 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1154 2010-03-29 Jie Zhang <jie@codesourcery.com>
1157 * toplev.c (process_options): Set optimization_default_node
1158 and optimization_current_node.
1159 * opts.c (decode_options): Don't set optimization_default_node
1160 and optimization_current_node.
1162 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1164 * config/rtems.h: Abandon -qrtems_debug.
1166 2010-03-28 Jan Hubicka <jh@suse.cz>
1168 PR tree-optimization/43505
1169 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1170 map should not be copied.
1172 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1175 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1176 cdtors, set DECL_PRESERVE_P.
1177 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1180 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1182 PR tree-optimization/43528
1183 * stor-layout.c (place_field): Check that constant fits into
1184 unsigned HWI when skipping calculation of MS bitfield layout.
1186 2010-03-27 Jan Hubicka <jh@suse.cz>
1189 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1190 notice_global_symbol work.
1192 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1194 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1195 instead of dwarf2out_decl.
1196 (struct var_loc_node): Remove section_label field.
1197 (dwarf2out_function_decl): New function.
1198 (dwarf2out_var_location): Don't set section_label field.
1199 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1201 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1203 PR tree-optimization/43544
1204 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1205 First argument for builtin vectorized function hook is now a
1206 tree to be able to distinguish between machine specific and
1208 * targhooks.c (default_builtin_vectorized_function): Ditto.
1209 * targhooks.h (default_builtin_vectorized_function): Ditto.
1210 * target.h (struct gcc_target): Ditto.
1211 * tree-vect-stmts.c (vectorizable_function): Ditto.
1212 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
1213 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1216 2010-03-26 Joseph Myers <joseph@codesourcery.com>
1219 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
1220 nested binding iff it is a FUNCTION_DECL.
1221 (store_parm_decls_newstyle): Pass nested=true to bind for
1222 FUNCTION_DECLs amongst parameters.
1224 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1226 * var-tracking.c (vt_expand_loc_callback): Don't run
1227 cselib_expand_value_rtx_cb in dummy mode if
1228 cselib_dummy_expand_value_rtx_cb returned false.
1230 * var-tracking.c (emit_note_insn_var_location): For one part
1231 notes with offset 0, don't add EXPR_LIST around the location.
1232 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
1233 add_location_or_const_value_attribute): Adjust for that change.
1236 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
1237 into first operand and location into second.
1238 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
1239 dw_cfi_oprnd_loc for DW_CFA_expression.
1240 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
1241 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
1242 assume first argument is regnum and second argument is location.
1244 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1247 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1248 of scratch register to DImode. Split to DImode comparison operator.
1249 Use SImode subreg of scratch register in the multiplication.
1250 (*cmp_sadd_sidi): Ditto.
1251 (*cmp_ssub_si): Ditto.
1252 (*cmp_ssub_sidi): Ditto.
1254 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1257 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
1258 Remove invalid assert and wrong comment.
1260 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1263 * flags.h (final_insns_dump_p): New extern.
1264 * final.c (final_insns_dump_p): New variable.
1265 (rest_of_clean_state): Set it before -fdump-final-insns=
1266 dumping, clear afterwards.
1267 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
1268 MEM_ALIAS_SET on MEMs.
1270 2010-03-26 David S. Miller <davem@davemloft.net>
1272 * configure.ac: Fix sparc GOTDATA_OP bug check.
1273 * configure: Rebuild.
1275 2010-03-26 Alan Modra <amodra@gmail.com>
1277 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
1279 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1281 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
1282 TLS_SECTION_ASM_FLAG.
1284 2010-03-25 Jakub Jelinek <jakub@redhat.com>
1287 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
1288 Clear first_function_block_is_cold.
1291 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
1292 argument if the argument is truth_value_p.
1294 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1296 * config/rs6000/constraints.md: Update copyright year for my changes.
1299 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
1300 used in reg+reg addressing, swap registers.
1302 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1305 * target.h (struct gcc_target): Add code_end hook.
1306 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
1308 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
1309 * toplev.c (compile_file): Call targetm.asm_out.code_end
1310 hook before unwind info/debug info output.
1311 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
1312 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
1313 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1314 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
1315 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1316 * config/i386/i386.c (ix86_file_end): Renamed to...
1317 (ix86_code_end): ... this. Make static. Don't call
1318 file_end_indicate_exec_stack. Emit unwind info using
1319 final_start_function/final_end_function.
1320 (darwin_x86_file_end): Remove.
1321 (TARGET_ASM_CODE_END): Define.
1322 * config/i386/i386.h (TARGET_ASM_FILE_END,
1323 NEED_INDICATE_EXEC_STACK): Don't define.
1324 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
1325 (TARGET_ASM_FILE_END): Define to darwin_file_end.
1326 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
1327 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
1330 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
1331 at the beginning and final_end_function at the end.
1332 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1334 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1336 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
1337 and Sun as TLS syntax.
1338 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
1339 * configure: Regenerate.
1340 * config.in: Regenerate.
1341 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
1342 (default_elf_asm_named_section): Use it.
1343 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
1344 (i386_output_dwarf_dtprel): Likewise.
1345 (output_addr_const_extra): Likewise.
1346 (output_pic_addr_const): Lowercase @GOTTPOFF.
1347 (output_addr_const_extra): Likewise.
1348 (output_pic_addr_const): Lowercase @GOTNTPOFF.
1349 (output_addr_const_extra): Likewise.
1350 (output_pic_addr_const): Lowercase @INDNTPOFF.
1351 (output_addr_const_extra): Likewise.
1352 (output_pic_addr_const): Lowercase @NTPOFF.
1353 (output_addr_const_extra): Likewise.
1354 (output_pic_addr_const): Lowercase @TPOFF.
1355 (output_addr_const_extra): Likewise.
1356 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
1357 (*tls_global_dynamic_64): Likewise.
1358 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
1359 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
1361 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
1362 (ASM_OUTPUT_TLS_COMMON): Use it.
1363 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
1366 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
1367 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
1368 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
1369 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1370 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1371 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
1373 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1375 * config/i386/i386.c (override_options): Don't accept
1376 -mtls-dialect=sun any longer.
1377 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
1378 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
1379 (*tls_local_dynamic_base_32_sun): Likewise.
1380 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1382 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1385 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1386 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
1389 * ira.c (adjust_cleared_regs): New function.
1390 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
1394 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
1396 * expr.c (expand_expr_real): Restore previous
1397 curr_insn_source_location and curr_insn_block after
1398 expand_expr_real_1 call.
1399 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
1400 instead of expand_expr_real_1.
1402 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
1404 PR rtl-optimization/43413
1405 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
1408 2010-03-22 James E. Wilson <wilson@codesourcery.com>
1411 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
1412 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
1414 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
1416 * config/i386/i386.c (ix86_target_string): Add -mfma.
1417 Fix a typo in comment.
1419 2010-03-22 Mike Stump <mikestump@comcast.net>
1422 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1423 Don't overly align based upon packed packed fields.
1425 2010-03-22 Jason Merrill <jason@redhat.com>
1427 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
1428 Use () rather than [], and move before the element type.
1430 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1432 * doc/configfiles.texi (Configuration Files): Removed
1433 fixinc/Makefile*, intl/Makefile.*.
1434 * doc/makefile.texi: Fixed markup. Abstract from version
1435 control system used.
1436 (Makefile): Removed obsolete gcc/java/parse.y example.
1437 * doc/sourcebuild.texi: Likewise.
1438 (Top Level): Added config, gnattools, libdecnumber, libgcc,
1439 libgomp, libssp. Removed fastjar.
1440 (Miscellaneous Docs): Clarify location.
1441 Added COPYING3, COPYING3.LIB.
1442 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
1444 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1447 * config/i386/i386.c (x86_function_profiler)
1448 [!NO_PROFILE_COUNTERS]: Fix typo.
1449 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
1452 2010-03-22 Janis Johnson <janis187@us.ibm.com>
1453 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1455 * doc/sourcebuild.texi (Test Directives): Split into six
1456 subsections, with most of the current text in new subsections
1457 Directives, Selectors, and Final Actions.
1458 (Directives): Split list of test directives into multiple
1460 (Selectors): Describe use and syntax of selectors.
1461 (Effective-Target Keywords): Describe all existing keywords.
1462 (Add Options): Describe features for dg-add-options.
1463 (Require Support): Describe variants of dg-require-support.
1464 (Final Actions): Describe commands to use in dg-final.
1466 2010-03-22 Michael Matz <matz@suse.de>
1469 * recog.c (validate_replace_rtx_group): Replace also in
1470 REG_EQUAL and REG_EQUIV notes.
1472 2010-03-22 Richard Guenther <rguenther@suse.de>
1474 PR tree-optimization/43390
1475 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
1476 sure vector extracts are type correct.
1478 2010-03-22 Richard Guenther <rguenther@suse.de>
1481 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
1482 x * sqrt (x) even when optimizing for size if the target
1483 has native support for sqrt.
1485 2010-03-22 Jakub Jelinek <jakub@redhat.com>
1487 * varasm.c (make_decl_rtl_for_debug): Also clear
1488 flag_mudflap for the duration of make_decl_rtl call.
1491 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
1492 locs from preserved VALUEs.
1494 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1497 * pa.md (movmemsi): Set align to one if zero.
1498 (movmemdi): Likewise.
1500 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
1503 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
1504 with their corresponding prologue pushes.
1506 2010-03-20 Andrew Pinski <pinskia@gmail.com>
1509 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
1510 at the begining or end.
1511 (spu_expand_epilogue): Likewise.
1513 2010-03-20 Richard Guenther <rguenther@suse.de>
1515 PR rtl-optimization/43438
1516 * combine.c (make_extraction): Properly zero-/sign-extend an
1517 extraction of the low part of a CONST_INT. Also handle
1520 2010-03-19 Mike Stump <mikestump@comcast.net>
1522 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
1523 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
1524 (override_options): Use SUBTARGET32_DEFAULT_CPU.
1526 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1529 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
1532 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
1534 PR rtl-optimization/42258
1535 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
1536 use that may match DEF.
1539 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
1540 the cost of loading the constant rather than assuming
1542 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
1543 outer code is AND, do the same tests as the andsi3 expander and
1544 return COSTS_N_INSNS (1) if and is cheap.
1546 * optabs.c (avoid_expensive_constant): Fix formatting.
1548 2010-03-19 Michael Matz <matz@suse.de>
1551 * attribs.c (decl_attributes): When rebuilding a function pointer
1552 type use the same qualifiers as the original pointer type.
1554 2010-03-19 Martin Jambor <mjambor@suse.cz>
1556 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
1557 and is_gimple_ip_invariant_address.
1559 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1562 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1564 * config/arm/arm.c (arm_override_options): Turn off
1565 flag_dwarf2_cfi_asm for AAPCS variants.
1567 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1570 * config/arm/arm.c (emit_multi_reg_push): Update comments.
1571 Use PRE_MODIFY instead of PRE_DEC.
1572 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
1573 (vfp_emit_fstmd): Likewise.
1575 2010-03-19 Michael Matz <matz@suse.de>
1578 * builtins.c (expand_builtin_interclass_mathfn,
1579 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
1582 2010-03-19 Richard Guenther <rguenther@suse.de>
1584 PR tree-optimization/43415
1585 * tree-ssa-pre.c (phi_translate): Split out worker to ...
1586 (phi_translate_1): ... this.
1587 (phi_translate): Move all caching here. Cache all NARY
1588 and REFERENCE translations.
1590 2010-03-19 David S. Miller <davem@davemloft.net>
1592 With help from Eric Botcazou.
1593 * config/sparc/sparc.c: Include dwarf2out.h.
1594 (emit_pic_helper): Delete.
1595 (pic_helper_symbol_name): Delete.
1596 (pic_helper_emitted_p): Delete.
1597 (pic_helper_needed): New.
1598 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
1599 (get_pc_thunk_name): New.
1600 (load_pic_register): Remove 'delay_pic_helper' arg. Use
1601 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
1602 Set pic_helper_needed to true. Don't call emit_pic_helper.
1603 (sparc_expand_prologue): Update load_pic_register call.
1604 (sparc_output_mi_thunk): Likewise.
1605 (sparc_file_end): Emit a hidden comdat symbol for the PIC
1606 thunk if possible. Output CFI information as needed.
1608 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1609 Jack Howarth <howarth@bromo.med.uc.edu>
1612 * config/i386/i386.h: Fix ABI on darwin x86-32.
1614 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
1616 * tree.h: Declare make_decl_rtl_for_debug.
1617 * varasm.c (make_decl_rtl_for_debug): New.
1618 * dwarf2out.c (rtl_for_decl_location): Call it.
1619 * cfgexpand.c (expand_debug_expr): Call it.
1621 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1624 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
1628 * var-tracking.c (vt_init_cfa_base): Do nothing if
1629 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
1631 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
1634 * var-tracking.c (canonicalize_vars_star): New.
1635 (dataflow_post_merge_adjust): Use it.
1637 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1640 * var-tracking.c (non_suitable_const): New function.
1641 (add_uses): For DEBUG_INSNs with constants, don't record any
1642 value, instead just the constant value itself.
1643 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
1644 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1645 (emit_notes_in_bb): Likewise.
1646 (emit_note_insn_var_location): For onepart variables if
1647 cur_loc is a VOIDmode constant, use DECL_MODE.
1649 2010-03-18 Martin Jambor <mjambor@suse.cz>
1652 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1653 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1654 all non-clones. Moved call redirection...
1655 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1656 (cgraph_materialize_all_clones): Dispose of all
1657 combined_args_to_skip bitmaps.
1658 (verify_cgraph_node): Do not check for edges pointing to wrong
1659 nodes in inline clones.
1660 * tree-inline.c (copy_bb): Call
1661 cgraph_redirect_edge_call_stmt_to_callee.
1662 * ipa.c (cgraph_remove_unreachable_nodes): Call
1663 cgraph_node_remove_callees even when there are used clones.
1665 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1667 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1669 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1672 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1675 2010-03-18 Michael Matz <matz@suse.de>
1678 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1679 into sqrt(x) if we need to preserve signed zeros.
1681 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1682 Eric Botcazou <ebotcazou@adacore.com>
1684 PR rtl-optimization/43360
1685 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1686 note if we don't know its invariant status.
1688 2010-03-18 Michael Matz <matz@suse.de>
1690 PR tree-optimization/43402
1691 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1692 PHI chains of ssa names registered for update.
1694 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1697 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1698 non-offsettable and pre_modify update addressing.
1699 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1700 and "2" alternatives "#".
1701 (*movdd_softfloat32): Make all alternatives "#";
1702 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1703 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1704 (*movdf_softfloat32): Make all alternatives "#";
1705 (movdi): Use the new DIFD mode iterator to create a common splitter
1706 for movdi, movdf and movdd patterns.
1708 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1710 * common.opt (dumpdir): Remove redundant tab.
1712 2010-03-17 Martin Jambor <mjambor@suse.cz>
1714 PR tree-optimization/43347
1715 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1716 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1718 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1720 PR rtl-optimization/42216
1721 * regrename.c (create_new_chain): New function, broken out from...
1722 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1723 appending a use to an empty chain.
1724 (build_def_use): Remove previous changes that convert OP_INOUT to
1725 OP_OUT operands; instead detect the case where an OP_INOUT operand
1726 uses a previously untracked register and create an empty chain for it.
1728 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1730 * doc/extend.texi (Function Attributes): Rewrite unfinished
1731 sentence in ms_abi documentation.
1733 2010-03-17 Alan Modra <amodra@gmail.com>
1735 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1736 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1737 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1738 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1740 2010-03-16 Richard Henderson <rth@redhat.com>
1743 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1744 (lower_try_finally): Save and restore eh_seq around the expansion
1747 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1749 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1750 statements before splitting block.
1752 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1754 * doc/sourcebuild.texi (Testsuites): Fix markup.
1755 Use pathnames relative to gcc/testsuite.
1756 (Test Directives): Move description of how timeout is determined.
1757 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1758 (C Tests): Correct gcc.misc-tests directory.
1759 Framework tests now live in gcc.test-framework.
1761 2010-03-16 Richard Guenther <rguenther@suse.de>
1764 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1765 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1767 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1768 Alexandre Oliva <aoliva@redhat.com>
1770 PR tree-optimization/42917
1771 * lambda-code.c (remove_iv): Skip debug statements.
1772 (lambda_loopnest_to_gcc_loopnest): Likewise.
1773 (not_interesting_stmt): Debug statements are not interesting.
1775 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1779 * cselib.c (cselib_preserve_constants,
1780 cfa_base_preserved_val): New static variables.
1781 (preserve_only_constants): New function.
1782 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1783 clear its REG_VALUES. If cselib_preserve_constants, don't
1784 empty the whole hash table, but preserve there VALUEs with constants,
1785 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1786 (cselib_preserve_cfa_base_value): New function.
1787 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1788 (cselib_init): Change argument to int bitfield. Set
1789 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1791 (cselib_finish): Clear cselib_preserve_constants and
1792 cfa_base_preserved_val.
1793 * cselib.h (enum cselib_record_what): New enum.
1794 (cselib_init): Change argument to int.
1795 (cselib_preserve_cfa_base_value): New prototype.
1796 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1797 * dse.c (dse_step1): Likewise.
1798 * cfgcleanup.c (thread_jump): Likewise.
1799 * sched-deps.c (sched_analyze): Likewise.
1800 * gcse.c (local_cprop_pass): Likewise.
1801 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1802 If FN is non-NULL, call the callback always and whenever it returns
1803 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1804 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1805 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1806 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1807 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1808 * var-tracking.c: Include recog.h.
1809 (bb_stack_adjust_offset): Remove.
1810 (vt_stack_adjustments): Don't call it, instead just gather the
1811 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1812 (adjust_stack_reference): Remove.
1813 (compute_cfa_pointer): New function.
1814 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1815 (struct adjust_mem_data): New type.
1816 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1818 (get_address_mode): New function.
1819 (replace_expr_with_values): Use it.
1820 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1821 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1822 (adjust_sets): Remove.
1823 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1824 Use get_address_mode.
1825 (get_adjusted_src): Remove.
1826 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1827 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1828 (add_with_sets): Don't call adjust_sets.
1829 (fp_setter, vt_init_cfa_base): New functions.
1830 (vt_initialize): Change return type to bool. Move most of pool etc.
1831 initialization to the beginning of the function from end. Pass
1832 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1833 If !frame_pointer_needed, call vt_stack_adjustment before mos
1834 vector is filled, call vt_init_cfa_base if argp/framep has been
1835 eliminated to sp. If frame_pointer_needed and argp/framep has
1836 been eliminated to hard frame pointer, set
1837 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1838 encountering fp setter in the prologue. For MO_ADJUST, call
1839 log_op_type before pusing the op into mos vector, not afterwards.
1840 Call adjust_insn before cselib_process_insn/add_with_sets,
1841 call cancel_changes (0) afterwards.
1842 (variable_tracking_main_1): Adjust for vt_initialize calling
1843 vt_stack_adjustments and returning whether it succeeded or not.
1845 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1847 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1850 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1852 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1854 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1855 drap_reg has not been set.
1857 2010-03-15 Michael Matz <matz@suse.de>
1860 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1861 use it to expand block copies.
1862 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1863 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1864 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1866 2010-03-15 Richard Guenther <rguenther@suse.de>
1868 PR tree-optimization/43367
1869 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1872 2010-03-15 Richard Guenther <rguenther@suse.de>
1874 PR tree-optimization/43317
1875 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1877 2010-03-15 Martin Jambor <mjambor@suse.cz>
1879 PR tree-optimization/43141
1880 * tree-sra.c (create_abstract_origin): New function.
1881 (modify_function): Call create_abstract_origin.
1883 2010-03-15 Chris Demetriou <cgd@google.com>
1885 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1888 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1891 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1892 call insert_out_of_ssa_copy for default definitions.
1894 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1896 * graphite-clast-to-gimple.c (my_long_long): Defined.
1897 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1898 * graphite-sese-to-poly.c (my_long_long): Defined.
1899 (scop_ivs_can_be_represented): Use it.
1901 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1903 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1904 graphite-max-bbs-per-function, and loop-block-tile-size.
1905 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1907 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1909 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1911 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1912 forward declaration.
1913 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1914 (add_upper_bounds_from_estimated_nit): New.
1915 (build_loop_iteration_domains): Use it.
1917 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1919 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1921 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1924 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1925 should be an INTEGER_CST. Also handle CASE_CONVERT.
1927 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1929 * graphite.c (graphite_initialize): To bound the number of bbs per
1930 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1931 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1932 * doc/invoke.texi: Document it.
1934 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1936 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1937 * graphite-sese-to-poly.h (build_poly_scop): Same.
1939 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1941 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1942 the number of parameters in the scop. Use as an upper bound
1943 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1944 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1945 * doc/invoke.texi: Document it.
1947 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1949 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1950 * doc/c-tree.texi: Remove.
1951 * doc/generic.texi: Merge c-tree.texi here.
1952 * doc/gccint.texi (Trees): Remove menu entry.
1953 (c-tree.texi): Remove @include.
1954 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1955 * doc/languages.texi (Reading RTL): Ditto.
1957 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1960 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1962 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1965 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1966 code added to work around reload clobbering CONST insns.
1968 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1970 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1971 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1972 (cselib_preserve_only_values): Remove retain argument, don't
1973 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1974 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1975 * var-tracking.c (micro_operation): Move insn field before union.
1976 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1977 (struct variable_tracking_info_def): Remove n_mos field, change
1978 mos into a vector of micro_operations.
1979 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1980 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1981 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1982 changing into a vector.
1983 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1984 come before all other uops generated by add_stores.
1985 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1987 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
1988 a vector. Run just one pass over the bbs instead of separate counting
1989 and computation phase.
1990 (vt_finalize): Free VTI (bb)->mos vector instead of array.
1993 * tree-inline.c (remap_decls): Put old_var rather than origin_var
1994 into *nonlocalized_list vector.
1995 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
1996 even if origin is non-NULL.
1997 (gen_variable_die): Likewise.
1998 (process_scope_var): Don't change origin.
1999 (gen_decl_die): Likewise.
2000 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2001 before adding new edges instead of after it, fix moving over
2004 2010-03-11 David S. Miller <davem@davemloft.net>
2006 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2008 * configure: Rebuild.
2010 2010-03-11 Martin Jambor <mjambor@suse.cz>
2012 PR tree-optimization/43257
2013 * tree.c (assign_assembler_name_if_neeeded): New function.
2014 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2016 * tree.h (assign_assembler_name_if_neeeded): Declare.
2017 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2018 the function if needed.
2020 2010-03-11 Chris Demetriou <cgd@google.com>
2022 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2023 include/stdint-gcc.h, and include/stdint.h world-readable.
2025 2010-03-11 Richard Guenther <rguenther@suse.de>
2027 PR tree-optimization/43255
2028 * tree-vrp.c (process_assert_insertions_for): Do not insert
2029 asserts for trivial conditions.
2031 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2033 PR tree-optimization/43280
2034 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2035 generation. Move calculation of size out of the if branch.
2036 (find_bswap): Modify compare number generation.
2038 2010-03-11 Richard Guenther <rguenther@suse.de>
2041 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2042 (input_gimple_stmt): Fixup handled component types during
2043 operand read. Also fix up decls in ADDR_EXPRs.
2045 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2047 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2048 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2050 2010-03-10 Jan Hubicka <jh@suse.cz>
2053 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2054 * varasm.c (get_variable_section): Don't do that here...
2055 (make_decl_rtl): ... and here.
2056 (do_assemble_alias): Produce decl RTL.
2057 (assemble_alias): Likewise.
2059 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2062 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2063 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2065 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2066 (based_loc_descr): Only express drap or vdrap regno based expressions
2067 using DW_OP_fbreg when not optimizing.
2068 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2069 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2070 REG_CFA_SET_VDRAP note.
2072 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2074 PR tree-optimization/43236
2075 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2076 error in calculation of base address in reverse iteration case.
2077 (generate_builtin): Take number of latch executions if the statement
2080 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2083 * tree-eh.c: Include pointer-set.h.
2084 (lower_eh_dispatch): Filter out duplicate case labels and
2085 remove the unneeded edge when the label is unused. Return
2086 true when some edges are removed.
2087 (execute_lower_eh_dispatch): When any lowering resulted in
2088 removing an edge, also delete unreachable blocks.
2090 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2093 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2094 UNSPEC_MACHOPIC_OFFSET.
2096 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2099 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2100 (m68k_delegitimize_address): New function.
2102 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2105 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2108 * var-tracking.c (adjust_sets): New function.
2109 (count_with_sets, add_with_sets): Use it.
2110 (get_adjusted_src): New inline function.
2111 (add_stores): Use it.
2114 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2115 call cselib_dummy_expand_value_rtx_cb instead of
2116 cselib_expand_value_rtx_cb.
2119 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2120 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2121 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2122 and .cfi_endproc around the pic thunks.
2123 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2124 all queued unwind info register saves are saved before the call.
2125 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2126 considered as sp-=4 for unwind info and the pop as sp+=4 which
2127 also clobbers dest, but doesn't actually restore it.
2130 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2131 RTX_FRAME_RELATED_P.
2133 2010-03-09 Jie Zhang <jie@codesourcery.com>
2135 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2136 whitespaces in output template.
2138 2010-03-09 Jie Zhang <jie@codesourcery.com>
2140 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2143 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2145 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2146 builtins.exp in a separate job.
2148 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2150 * graphite-sese-to-poly.c (add_param_constraints): Use
2151 lower_bound_in_type and upper_bound_in_type.
2153 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2155 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2156 instead of unsigned_type_node.
2158 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2159 Reza Yazdani <reza.yazdani@amd.com>
2162 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2163 on pointer type parameters.
2165 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2169 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2170 handle conversions from pointer to integers.
2171 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2172 induction variable, to be able to work with code generated by CLooG.
2173 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2174 (build_poly_scop): Bail out if we cannot codegen a loop.
2176 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2178 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2179 code generation with gloog_error.
2181 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2183 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2184 Call fold_convert on all the returned values.
2185 (expand_scalar_variables_expr): Pass to
2186 expand_scalar_variables_ssa_name the type of the resulting expression.
2188 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2190 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2191 ppl_min_for_le_pointset.
2192 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2193 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2195 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2197 * graphite-dependences.c (map_into_dep_poly): Removed.
2198 (dependence_polyhedron_1): Use combine_context_id_scat.
2200 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2202 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2203 (struct poly_bb): Same.
2204 (combine_context_id_scat): New.
2206 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2209 * sese.c (name_defined_in_loop_p): Return false for default
2212 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2214 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2215 and clean up the logic.
2217 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2219 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2222 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2224 * var-tracking.c (remove_cselib_value_chains): Define only for
2226 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
2227 delete_slot_part, emit_notes_for_differences_1): Don't call
2228 remove_cselib_value_chains here.
2229 (set_slot_part, emit_notes_for_differences_2): Don't call
2230 add_cselib_value_chains here.
2231 (preserved_values): New vector.
2232 (preserve_value): New function.
2233 (add_uses, add_stores, vt_add_function_parameters): Use it
2234 instead of cselib_preserve_value.
2235 (changed_values_stack): New vector.
2236 (check_changed_vars_0): New function.
2237 (check_changed_vars_1, check_changed_vars_2): Use it.
2238 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
2239 changed_values_stack VALUEs.
2240 (vt_emit_notes): For all preserved_values call
2241 add_cselib_value_chains. If ENABLE_CHECKING call
2242 remove_cselib_value_chains before verifying value_chains is empty.
2243 Initialize and free changed_values_stack.
2244 (vt_initialize): Initialize preserved_values.
2245 (vt_finalize): Free preserved_values.
2247 2010-03-08 Richard Guenther <rguenther@suse.de>
2249 PR tree-optimization/43269
2250 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
2253 2010-03-08 Martin Jambor <mjambor@suse.cz>
2255 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
2256 (ipa_is_param_called): Removed.
2257 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
2258 (ipa_print_node_params): Do not print the called flag.
2259 (ipa_write_node_info): Do not stream the called flag.
2260 (ipa_read_node_info): Likewise.
2262 2010-03-07 Jakub Jelinek <jakub@redhat.com>
2265 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
2266 * cselib.c (struct expand_value_data): Add dummy field.
2267 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
2269 (cselib_dummy_expand_value_rtx_cb): New function.
2270 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
2272 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
2273 * var-tracking.c: Include pointer-set.h.
2274 (variable): Change n_var_parts to char from int. Add
2275 cur_loc_changed and in_changed_variables fields.
2276 (variable_canonicalize): Remove.
2277 (shared_var_p): New inline function.
2278 (unshare_variable): Maintain cur_loc_changed and
2279 in_changed_variables fields. If var was in changed_variables,
2280 replace it there with new_var. Just copy cur_loc instead of
2281 resetting it to something else.
2282 (variable_union): Don't recompute cur_loc. Use shared_var_p.
2283 (dataflow_set_union): Don't call variable_canonicalize.
2284 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
2285 of their DEBUG_EXPR_TREE_DECLs.
2286 (canonicalize_loc_order_check): Verify that cur_loc is NULL
2287 and in_changed_variables and cur_loc_changed is false.
2288 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
2289 and cur_loc_changed. Don't update cur_loc here.
2290 (variable_merge_over_src): Don't call variable_canonicalize.
2291 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
2292 removing loc that is equal to cur_loc, clear cur_loc,
2293 set cur_loc_changed and ensure variable_was_changed is called.
2294 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
2295 compare pointers in cur_loc check, if it is equal to loc,
2296 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
2297 (variable_different_p): Remove compare_current_location argument,
2298 don't compare cur_loc.
2299 (dataflow_set_different_1): Adjust variable_different_p caller.
2300 (variable_was_changed): If dv had some var in changed_variables
2301 already, reset in_changed_variables flag for it and propagate
2302 cur_loc_changed over to the new variable. On empty var
2303 always set cur_loc_changed. Set in_changed_variables on whatever
2304 var is added to changed_variables.
2305 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
2306 Use shared_var_p. When removing loc that is equal to cur_loc,
2307 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
2308 end, don't set it to something else, just call variable_was_changed.
2309 (delete_slot_part): Use shared_var_p. When cur_loc equals to
2310 loc being removed, clear cur_loc and set cur_loc_changed.
2311 Set cur_loc_changed if all locations have been removed.
2312 (struct expand_loc_callback_data): New type.
2313 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
2314 allocated. Always create SUBREGs if simplify_subreg failed.
2315 Prefer to use cur_loc, when that fails and still in
2316 changed_variables (and seen first time) recompute it. Set
2317 cur_loc_changed of variables which had to change cur_loc and
2318 compute elcd->cur_loc_changed if any of the subexpressions used
2319 had to change cur_loc.
2320 (vt_expand_loc): Adjust to pass arguments in
2321 expand_loc_callback_data structure.
2322 (vt_expand_loc_dummy): New function.
2323 (emitted_notes): New variable.
2324 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
2325 that weren't used for any other decl in current
2326 emit_notes_for_changes call call vt_expand_loc_dummy to update
2327 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
2328 first loc_chain location if NULL before. Always use just
2329 cur_loc instead of first loc_chain location. When cur_loc_changed
2330 is false, when not --enable-checking=rtl just don't emit any note.
2331 When rtl checking, compute the note and assert it is the same
2332 as previous note. Clear cur_loc_changed and in_changed_variables
2333 at the end before removing from changed_variables.
2334 (check_changed_vars_3): New function.
2335 (emit_notes_for_changes): Traverse changed_vars to call
2336 check_changed_vars_3 on each changed var.
2337 (emit_notes_for_differences_1): Clear cur_loc_changed and
2338 in_changed_variables. Recompute cur_loc of new_var.
2339 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
2340 (vt_emit_notes): Initialize and destroy emitted_notes.
2342 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
2344 PR rtl-optimization/42220
2345 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
2346 Use verify_reg_tracked to determine if we should use OP_OUT rather
2348 (build_def_use): If we see an in-out operand for a register that we
2349 know nothing about, treat is an output if possible, fail the block if
2352 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2355 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
2358 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2361 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
2362 uses of relevant DEFs that are dead outside the loop too.
2364 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2366 * var-tracking.c (dataflow_set_merge): Swap src and src2.
2368 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2370 * var-tracking.c (values_to_unmark): New variable.
2371 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2372 values_to_unmark vector. Moved body to...
2373 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2374 instead queue it into values_to_unmark vector.
2375 (vt_find_locations): Free values_to_unmark vector.
2377 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
2379 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
2380 (site.exp): Export them when plugins are enabled.
2382 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
2385 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
2387 (chrec_fold_multiply): Same.
2389 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2392 * c-decl.c (build_compound_literal): Return early if init is
2395 2010-03-04 Martin Jambor <mjambor@suse.cz>
2397 PR tree-optimization/43164
2398 PR tree-optimization/43191
2399 * tree-sra.c (type_consists_of_records_p): Reject records with
2400 zero-size bit-fields at the end.
2402 2010-03-04 Mike Stump <mikestump@comcast.net>
2404 * Makefile.in (TAGS): Remove *.y.
2406 2010-03-04 Richard Guenther <rguenther@suse.de>
2408 PR tree-optimization/40761
2409 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
2411 (my_rev_post_order_compute): New function.
2412 (init_pre): Call it.
2414 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
2417 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
2418 decrease the cost of an IV candidate when the cost is infinite.
2420 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2422 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
2423 Use '3DNow!' for the extension of that name, ensure normal space
2425 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2427 2010-03-03 Jeff Law <law@redhat.com>
2429 * PR middle-end/32693
2430 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
2431 than gen_rtx_SUBREG.
2432 (extract_bit_field_1): Likewise.
2434 2010-03-03 Janis Johnson <janis187@us.ibm.com>
2436 * doc/sourcebuild.texi (Test directives): Document that arguments
2437 include-opts and exclude-opts are now optional for dg-skip-if,
2438 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
2440 2010-03-03 Jason Merrill <jason@redhat.com>
2443 * cgraph.h (varpool_node): Add extra_name field.
2444 * varpool.c (varpool_extra_name_alias): New.
2445 (varpool_assemble_decl): Emit extra name aliases.
2446 (varpool_mark_needed_node): Look past an extra name alias.
2447 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
2448 * lto-streamer-in.c (lto_input_tree): Read it.
2449 * lto-streamer-out.c (output_unreferenced_globals): Write it.
2451 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
2453 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
2454 (sparc*-*-solaris2*): ...this.
2456 2010-03-03 Jakub Jelinek <jakub@redhat.com>
2459 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
2460 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
2461 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
2462 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
2465 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
2466 fallthrough to default handling, just with want_address 0 instead of 2.
2467 For single element lists, add_AT_loc directly, otherwise create an
2468 artificial variable DIE and stick location list to it.
2471 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
2472 (VAL_EXPR_HAS_REVERSE): Define.
2473 (reverse_op): New function.
2474 (add_stores): For reversible operations add an extra MO_VAL_USE.
2476 2010-03-02 Jason Merrill <jason@redhat.com>
2478 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
2480 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
2482 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
2483 (sparc64-*-linux*): Likewise.
2484 (sparc64-*-solaris2*): Include assembler files before linker ones.
2485 (sparc-*-solaris2*): Simplify and reorder to match previous case.
2486 * config/sparc/gas.h: Delete.
2487 * config/sparc/sol2-64.h: Add copyright notice.
2488 * config/sparc/sol2-gas-bi.h: Likewise.
2489 * config/sparc/sol2-gld.h: Likewise.
2490 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
2491 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
2492 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
2493 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
2494 (sparc_elf_asm_named_section): Rename into...
2495 (sparc_solaris_elf_asm_named_section): ...this. Always define.
2497 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
2499 * config/alpha/alpha.c (override_options): Fix -mtune error message.
2501 2010-03-02 Jeff Law <law@redhat.com>
2504 * reload1.c (rtx_p, substitute_stack): Declare.
2505 (substitute): Record addresses of changed rtxs.
2506 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
2507 Restore the original rtx when complete.
2508 (reload): Free subsitute_stack when complete.
2510 2010-03-02 Janis Johnson <janis187@us.ibm.com>
2512 * doc/gccint.texi (menu): Add Testsuites as a chapter.
2513 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
2515 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
2516 LTO Testing, gcov Testing, profopt Testing, compat Testing,
2517 Torture Tests): Change from subsection to section.
2519 2010-03-02 Jakub Jelinek <jakub@redhat.com>
2520 Steven Bosscher <steven@gcc.gnu.org>
2522 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
2525 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
2528 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
2529 the assignment from the new induction variable to the assignment
2530 of the value from the original loop PHI function.
2532 2010-03-01 Janis Johnson <janis187@us.ibm.com>
2533 Daniel Jacobowitz <dan@codesourcery.com>
2535 * doc/sourcebuild.texi (Test directives): Clarify options to
2538 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2540 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
2541 Disable cfi directives unless GCC and gas agree on using read-only
2542 .eh_frame sections for 64-bit.
2543 * configure: Regenerate.
2545 2010-03-01 Richard Guenther <rguenther@suse.de>
2547 PR tree-optimization/43220
2548 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
2549 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
2551 2010-03-01 Richard Guenther <rguenther@suse.de>
2552 Martin Jambor <mjambor@suse.cz>
2555 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
2556 gimplified parameters.
2558 2010-03-01 Christian Bruel <christian.bruel@st.com>
2560 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
2562 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
2564 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
2566 2010-03-01 Richard Guenther <rguenther@suse.de>
2569 * expr.c (expand_assignment): Use the alias-oracle to tell
2570 if the rhs aliases the result decl.
2572 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2575 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
2576 to sol_gt_pch_get_address.
2577 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
2578 64-bit, SPARC and x86.
2579 (sol_gt_pch_get_address): New function.
2581 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
2583 * toplev.h (inform_n, error_n): Declare.
2584 * diagnostic.c (inform_n, error_n): New function.
2586 2010-03-01 Jakub Jelinek <jakub@redhat.com>
2588 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
2589 has no rtl yet when processing local_decls, queue it and recheck
2590 if deferred stack allocation hasn't assigned it rtl.
2592 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
2594 * config/sh/sh.c (unspec_bbr_uid): New.
2595 (gen_block_redirect): Use it instead of INSN_UID.
2596 (gen_far_branch): Likewise.
2598 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
2600 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
2601 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
2603 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2605 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
2606 (Warning Options): -Wno-conversion-null is valid for
2607 Objective-C++ as well.
2608 * doc/tm.texi (Named Address Spaces): Likewise.
2609 * doc/plugins.texi (Plugins): Replace TABs with spaces.
2610 * doc/tree-ssa.texi (Tree SSA): Likewise.
2612 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2615 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
2616 by default. Don't set the default arch for
2617 i[34567]86-*-darwin*|x86_64-*-darwin*.
2619 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2622 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
2623 default. Set the default 32bit/64bit archs with $with_arch
2624 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
2626 2010-02-27 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/43186
2629 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
2630 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
2631 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
2632 unroller iterations.
2634 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2636 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
2637 required and i[34567]86-*-* targets don't support 64bit ISA.
2639 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
2642 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2645 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2647 * config.gcc: Set the default arch at least to Prescott for
2648 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2649 if SSE math is enabled.
2651 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2653 * diagnostic.c (diagnostic_initialize): Update.
2654 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2656 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2657 (diagnostic_inhibit_notes): New.
2658 * toplev.c (process_options): inhibit notes with -fcompare-debug.
2660 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2663 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2664 * doc/standards.texi: Likewise.
2665 * doc/extend.texi: Likewise.
2666 * doc/trouble.texi: Likewise.
2667 * doc/cppopts.texi: Likewise.
2668 * doc/install.texi: Likewise.
2669 * c.opt (std=c90,std=gnu90): New options.
2670 * c-opts.c (c_common_handle_option): Handle them.
2672 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2675 * c-decl.c (undeclared_variable): Use an informative note.
2677 2010-02-26 Richard Guenther <rguenther@suse.de>
2679 PR tree-optimization/43186
2680 * gimple.h (gimple_fold): Remove.
2681 * gimple.c (gimple_fold): Remove. Inline into single user ...
2682 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2683 Try harder for conditions.
2685 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2688 * function.c (used_types_insert): Don't skip through named pointer
2689 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2690 and it is different from the main variant's type.
2692 2010-02-26 Nick Clifton <nickc@redhat.com>
2694 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2696 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2698 * config.gcc: Support --with-fpmath=sse for x86.
2700 * config/i386/ssemath.h: New.
2702 * doc/install.texi (--with-fpmath=sse): Documented.
2704 2010-02-26 Richard Guenther <rguenther@suse.de>
2706 PR tree-optimization/43188
2707 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2708 vector types of over-aligned element type.
2710 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2713 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2714 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2716 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2718 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2720 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2722 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2723 * var-tracking.c: Include diagnostic.h.
2724 (debug_dv): New function.
2725 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2728 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2729 (add_value_chain, add_value_chains, remove_value_chain,
2730 remove_value_chains): Handle DEBUG_EXPRs.
2731 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2734 * regcprop.c (struct queued_debug_insn_change): New type.
2735 (struct value_data_entry): Add debug_insn_changes field.
2736 (struct value_data): Add n_debug_insn_changes field.
2737 (debug_insn_changes_pool): New variable.
2738 (free_debug_insn_changes, apply_debug_insn_changes,
2739 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2740 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2741 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2743 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2745 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2746 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2747 changes, call cprop_find_used_regs via note_stores.
2748 (copyprop_hardreg_forward): When copying vd from predecessor
2749 which has any queued DEBUG_INSN changes, make sure the pointers are
2750 cleared. At the end call df_analyze and then if there are any
2751 DEBUG_INSN changes queued at the end of some basic block for still
2752 live registers, apply them.
2753 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2755 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2757 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2760 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2762 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2763 targets. Set the default with_cpu/with_arch from arch/cpu.
2764 Allow x86-64 and native for with_cpu/with_arch.
2766 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2768 * ebitmap.c: Change calls to verify_popcount with calls to
2769 sbitmap_verify_popcount.
2770 (ebitmap_clear_bit): Fixed map->cacheindex test and
2771 map>cache update when bit clearing results in an empty
2774 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2777 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2778 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2779 and support both V2DF and V2DI modes.
2780 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2781 support both V2DF and V2DI modes.
2782 (general): Delete trailing whitespace from a few patterns.
2784 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2785 V2DF/V2DI interleave high/low builtins.
2787 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2790 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2791 interleave high/low functions.
2793 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2795 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2796 #pragma extern_prefix.
2798 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2801 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2802 BLKmode, assert op0 is a MEM and just adjust its mode.
2805 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2806 if bitpos isn't multiple of mode's bitsize.
2808 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2810 * c.opt (-ftemplate-depth=): New.
2811 (-ftemplate-depth-): Deprecate.
2812 * optc-gen.awk: Handle -ftemplate-depth=.
2813 * opth-gen.awk: Likewise.
2814 * c-opts.c (c_common_handle_option): Likewise.
2815 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2817 2010-02-24 Jason Merrill <jason@redhat.com>
2819 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2821 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2823 * cfg.c (alloc_aux_for_block): Remove inline.
2824 (alloc_aux_for_edge): Likewise.
2826 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2828 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2830 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2832 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2833 * config/i386/sol2-gas.h: New file.
2834 * config.gcc (i[34567]86-*-solaris2*): Use it.
2836 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2839 * c-typeck.c (ep_convert_and_check): New.
2840 (build_conditional_expr): Use it.
2841 (build_binary_op): Likewise.
2843 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2845 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2848 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2849 bounds even for -O+.
2850 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2851 expr needs to have DECL_NAME set.
2853 2010-02-24 Nick Clifton <nickc@redhat.com>
2855 * config/mep/mep.c: Include gimple.h.
2856 (mep_function_uses_sp): Delete unused function.
2857 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2858 parameters. Use unsigned integers to count args. Return a
2859 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2861 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2864 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2865 greater or equal to nelt instead of 2 * nelt.
2866 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2869 2010-02-23 Jason Merrill <jason@redhat.com>
2872 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2873 in cfun->local_decls even if they have register types.
2876 * stor-layout.c (place_field): Don't warn about unnecessary
2877 DECL_PACKED if the type is packed.
2879 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2882 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2883 GOTOFF relocs, even when the base reg isn't pic pointer.
2885 2010-02-23 Michael Matz <matz@suse.de>
2888 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2889 (expand_gimple_basic_block): Generate and use debug temps if there
2890 are debug uses left after the last real use of TERed ssa names.
2891 Unlink debug immediate uses when they are expanded.
2893 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2896 * config/i386/i386.c (override_options): Reorganise to provide
2897 better error messages.
2899 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2902 * graphite-scop-detection.c (create_single_exit_edge): Move
2903 the call to find_single_exit_edge to....
2904 (create_sese_edges): ...here. Don't handle multiple edges
2905 exiting the function.
2906 (build_graphite_scops): Don't handle multiple edges
2907 exiting the function.
2909 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2912 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2913 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2915 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2918 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2920 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2923 * c-typeck.c (convert_arguments): Print declaration location.
2924 * c-common.c (validate_nargs): Rename as
2925 builtin_function_validate_nargs.
2926 (check_builtin_function_arguments): Update.
2928 2010-02-22 Richard Guenther <rguenther@suse.de>
2931 * tree-inline.c (declare_return_variable): Use the type of
2932 the call stmt lhs if available.
2934 2010-02-22 Duncan Sands <baldrick@free.fr>
2936 * passes.c (register_pass): Always consider all pass lists when
2937 ref_pass_instance_number is zero.
2939 2010-02-22 Richard Guenther <rguenther@suse.de>
2941 PR tree-optimization/42749
2942 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2943 parameter. Do arithmetic in the original type.
2944 (update_accumulator_with_ops): Likewise.
2945 (adjust_accumulator_values): Adjust.
2947 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2949 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2950 (QI to BLKmode splitter): New splitter.
2952 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2954 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2955 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2957 2010-02-22 Richard Guenther <rguenther@suse.de>
2959 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2961 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2963 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2964 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2965 ($(T)crti.o, $(T)crtn.o): Remove rules.
2967 2010-02-21 Tobias Burnus <burnus@net-b.de>
2970 * doc/invoke.texi (-fassociative-math): Document that this
2971 option is automatically enabled for Fortran.
2973 2010-02-20 David S. Miller <davem@davemloft.net>
2975 * configure.ac: Test if linker and assembler properly support
2976 GOTDATA_OP relocations.
2977 * configure: Rebuild.
2978 * config.in: Likewise.
2979 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2980 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2981 (movsi_high_pic): Likewise.
2982 (movdi_lo_sum_pic): Likewise.
2983 (movdi_high_pic): Likewise.
2984 (movsi_pic_gotdata_op): New pattern.
2985 (movdi_pic_gotdata_op): Likewise.
2986 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2987 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
2989 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
2992 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
2993 attribute to ssemul.
2994 (xop_mulv2div2di3_high): Ditto.
2996 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2999 * c.opt (Wconversion-null): New option.
3000 * doc/invoke.texi (Wconversion-null): Document.
3002 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3004 * common.opt (Wlarger-than-): Add Undocumented.
3006 2010-02-19 Mike Stump <mikestump@comcast.net>
3008 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3010 2010-02-19 Jason Merrill <jason@redhat.com>
3013 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3014 * configure: Likewise.
3016 2010-02-20 Alan Modra <amodra@gmail.com>
3019 * cgraph.h (cgraph_make_decl_local): Declare.
3020 * cgraph.c (cgraph_make_decl_local): New function.
3021 (cgraph_make_node_local): Use it.
3022 * cgraphunit.c (cgraph_function_versioning): Likewise.
3023 * ipa.c (function_and_variable_visibility): Likewise.
3025 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3028 * except.c (sjlj_emit_function_enter): Don't call
3029 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3031 * rtl.h (add_reg_br_prob_note): Remove prototype.
3033 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3036 * c-common.c (conversion_warning): Remove widening conversions
3037 before checking the conversion of integers to reals.
3039 2010-02-19 Mike Stump <mikestump@comcast.net>
3042 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3045 * cgraphunit.c (process_function_and_variable_attributes): Check
3046 DECL_PRESERVE_P instead of looking up attribute "used".
3047 * ipa-pure-const.c (check_decl): Likewise.
3048 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3049 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3050 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3051 instead of attribute "used".
3052 * config/sol2-c.c (solaris_pragma_init): Likewise.
3053 (solaris_pragma_fini): Likewise.
3055 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3057 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3058 Use XCNEW instead of xcalloc.
3059 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3060 XNEW instead of xmalloc.
3061 (get_fields): Use XNEWVEC instead of xmalloc.
3064 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3065 populate vars array.
3066 (create_new_general_access): For debug stmts just reset value.
3067 (get_stmt_accesses): For accesses within debug stmts just record them
3068 using add_access_to_acc_sites instead of preventing the peeling or
3069 counting them as accesses.
3072 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3074 2010-02-19 Richard Guenther <rguenther@suse.de>
3076 PR tree-optimization/42916
3077 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3080 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3082 * configure.ac: Replace all uses of changequote in macro arguments
3083 with proper quoting.
3085 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3088 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3090 2010-02-19 Richard Guenther <rguenther@suse.de>
3092 PR tree-optimization/42944
3093 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3094 test for aliasing with errno.
3096 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3099 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3100 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3101 * dojump.c: Include output.h.
3102 (inv): New inline function.
3103 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3104 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3105 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3106 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3107 argument, pass it down to other calls.
3108 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3109 add REG_BR_PROB note to the conditional jump.
3110 * cfgexpand.c (add_reg_br_prob_note): Removed.
3111 (expand_gimple_cond): Don't call it, add the probability
3112 as last argument to jumpif_1/jumpifnot_1.
3113 * Makefile.in (dojump.o): Depend on output.h.
3114 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3116 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3117 * stmt.c (do_jump_if_equal): Likewise.
3118 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3119 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3120 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3122 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3123 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3124 jumpifnot_1 callers.
3125 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3127 (store_expr): Adjust jumpifnot caller.
3128 (store_constructor): Adjust jumpif caller.
3131 * gimplify.c (gimple_boolify): For __builtin_expect call
3132 gimple_boolify also on its first argument.
3134 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3136 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3138 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3139 * configure: Regenerated.
3141 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3143 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3144 lang_hooks.types_compatible_p instead of comptypes.
3146 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3148 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3149 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3150 if __prefer_thumb__ is defined.
3152 2010-02-18 Martin Jambor <mjambor@suse.cz>
3154 PR tree-optimization/43066
3155 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3156 array with zero-sized element type.
3158 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3160 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3161 rtx, allocate struct var_loc_node here and return it to the
3162 caller, and only if it is actually needed.
3163 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3164 move it earlier and return immediately if it returns NULL.
3166 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3168 * config/sparc/gas.h: New file. Restore
3169 TARGET_ASM_NAMED_SECTION to its ELF default.
3170 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3172 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3173 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3174 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3175 after sparc/sysv4.h.
3177 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3179 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3181 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3183 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3184 patterns from predicated pattern.
3186 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3189 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3190 for insn mnemonic suffix.
3192 2010-02-17 Richard Guenther <rguenther@suse.de>
3194 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3197 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3200 * caller-save.c (save_call_clobbered_regs): If BB ends with
3201 a DEBUG_INSN, move any notes in between last real insn and the last
3202 DEBUG_INSN after the last DEBUG_INSN.
3204 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
3206 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
3207 Fix return type. Fix argument type. Explain meaning of return value.
3209 2010-02-16 Richard Guenther <rguenther@suse.de>
3211 PR tree-optimization/41043
3212 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
3213 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
3215 (vrp_visit_phi_node): ... but only for loop PHI nodes.
3217 2010-02-16 Ira Rosen <irar@il.ibm.com>
3219 PR tree-optimization/43074
3220 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
3221 * tree-vect-loop.c (vect_analyze_loop_operations): Add
3222 vectorizable cycles in hybrid SLP check.
3223 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
3225 2010-02-16 Richard Guenther <rguenther@suse.de>
3227 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
3228 (true_dependence): If memrefs_conflict_p computes must-alias
3229 trust it. Move TBAA check after offset-based disambiguation.
3230 (canon_true_dependence): Likewise.
3232 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
3234 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
3235 * doc/invoke.texi: Document it.
3236 * var-tracking.c: Include toplev.h and params.h.
3237 (vt_find_locations): Return bool indicating success. Compute
3238 hash sizes unconditionally. Check new parameter, report.
3239 (variable_tracking_main_1): Check vt_find_locations results and
3240 retry. Renamed from...
3241 (variable_tracking_main): ... this. New wrapper to preserve
3242 flag_var_tracking_assignments.
3243 * Makefile.in (var-tracking.o): Adjust dependencies.
3245 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
3246 Jakub Jelinek <jakub@redhat.com>
3249 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
3250 if weak_import attribute is present.
3251 * config/darwin.c (machopic_select_section): Likewise.
3253 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
3255 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
3256 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
3257 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
3258 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
3260 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
3262 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3265 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
3266 Rewrite text to refer to the names.
3268 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
3270 * config/i386/i386-builtin-types.def
3271 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
3272 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
3273 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
3274 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
3275 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
3276 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
3277 IX86_BUILTIN_VPERMIL2PS256.
3278 (MULTI_ARG_4_DF2_DI_I): Defined.
3279 (MULTI_ARG_4_DF2_DI_I1): Defined.
3280 (MULTI_ARG_4_SF2_SI_I): Defined.
3281 (MULTI_ARG_4_SF2_SI_I1): Defined.
3282 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
3283 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
3284 __builtin_ia32_vpermil2ps256.
3285 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3286 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3287 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
3288 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3289 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3290 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
3291 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
3292 CODE_FOR_xop_vpermil2v8sf3.
3293 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
3294 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
3295 * config/i386/xopintrin.h (_mm_permute2_pd): New.
3296 (_mm256_permute2_pd): New.
3297 (_mm_permute2_ps): New.
3298 (_mm256_permute2_ps): New.
3300 2010-02-15 Nick Clifton <nickc@redhat.com>
3302 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
3303 boolean parameters. Use emit_jump_insn when emitting a pop
3304 instruction containing a return insn.
3305 (push): Use 'true' rather than '1' as second parameter to F.
3306 (h8300_expand_prologue): Likewise.
3307 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
3308 (h8300_expand_epilogue): Likewise.
3310 2010-02-15 Richard Guenther <rguenther@suse.de>
3313 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
3316 2010-02-15 Nick Clifton <nickc@redhat.com>
3318 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
3321 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
3323 * intl.c (fake_ngettext): New function.
3324 * intl.h (fake_ngettext): Declare.
3325 (ngettext): Define macro.
3326 * collect2.c (notice_translated): New function.
3327 (main): Use notice_translated and ngettext.
3328 * collect2.h (notice_translated): Declare.
3330 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
3332 * reorg.c (delete_computation): Comment fixes.
3333 * caller-save.c (setup_save_areas): Idem.
3334 * sel-sched-dump.c (dump_lv_set): Idem.
3337 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3339 * config/s390/s390.c (s390_sched_init): New function.
3340 (TARGET_SCHED_INIT): Target hook defined.
3342 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
3343 Jack Howarth <howarth@bromo.med.uc.edu>
3344 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3347 Partial revert of unintended change in fix for PR41605.
3348 * config/darwin.h: Fix typo.
3349 * config/darwin9.h: Same.
3351 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3353 * c-pch.c (pch_init): Clear v.
3355 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3358 * graphite-scop-detection.c (graphite_can_represent_scev): Call
3359 graphite_can_represent_init for MULT_EXPR.
3361 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3365 * graphite-sese-to-poly.c (remove_phi): New.
3366 (translate_scalar_reduction_to_array): Call remove_phi.
3368 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3371 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
3372 * graphite-clast-to-gimple.h (gloog): Update declaration.
3373 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
3374 * graphite-poly.h (struct poly_bb): Add missing comments.
3375 (struct scop): Add poly_scop_p field.
3377 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
3378 * graphite.c (graphite_transform_loops): Build the polyhedral
3379 representation for each scop before code generation.
3380 * sese.c (rename_variables_in_operand): Removed.
3381 (rename_variables_in_expr): Return the renamed expression.
3382 (rename_sese_parameters): New.
3383 * sese.h (rename_sese_parameters): Declared.
3385 2010-02-11 Richard Guenther <rguenther@suse.de>
3387 PR tree-optimization/42998
3388 * tree-ssa-pre.c (create_expression_by_pieces): Treat
3389 POINTER_PLUS_EXPR properly.
3391 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3392 Changpeng Fang <changpeng.fang@amd.com>
3395 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
3396 the cost of an IV candidate when the IV is used in a test against zero.
3398 * gcc.dg/tree-ssa/ivopts-3.c: New.
3400 2010-02-11 Richard Guenther <rguenther@suse.de>
3403 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
3404 pointer-vs-decl case by swapping refs. Handle some cases
3405 of pointer-vs-decl disambiguations more conservatively.
3406 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
3407 to false after expanding.
3409 2010-02-11 Richard Guenther <rguenther@suse.de>
3412 * gcc.c (process_command): Handle LTO file@offset case more
3415 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3417 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
3418 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
3420 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
3422 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
3423 if MEM's mode size isn't DWARF2_ADDR_SIZE.
3424 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
3425 Optimize eq/ne comparisons when both arguments are known to be
3427 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
3428 Don't mask operands unnecessarily if they are known to be already
3431 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
3433 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
3436 2010-02-10 Richard Guenther <rguenther@suse.de>
3438 PR tree-optimization/43017
3439 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
3440 for wrapping signed arithmetic.
3442 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3445 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
3446 if no debug info should be emitted for it.
3448 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3450 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
3451 note when flag_exceptions is set.
3453 2010-02-10 Duncan Sands <baldrick@free.fr>
3455 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
3457 2010-02-10 Richard Guenther <rguenther@suse.de>
3460 * tree.c (get_unwidened): Handle constants.
3461 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
3463 2010-02-10 Martin Jambor <mjambor@suse.cz>
3466 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
3467 check for variable argument counts independently.
3469 2010-02-10 Christian Bruel <christian.bruel@st.com>
3472 * config/sh/sh.c (find_barrier): Increase length for non delayed
3473 conditional branches.
3475 2010-02-10 Christian Bruel <christian.bruel@st.com>
3477 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
3479 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3481 * builtins.c (set_builtin_user_assembler_name): Also handle
3482 ffs if int is smaller than word.
3484 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
3487 * ira-conflicts.c (get_dup): Remove.
3488 (process_reg_shuffles): Add new parameter. Use it as an
3489 additional guard for copy generation.
3490 (add_insn_allocno_copies): Rewrite.
3492 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
3494 * common.opt (fsched2-use-traces): Preserved for backward
3496 * doc/invoke.texi: Remove the documentation about option
3497 -fsched2-use-traces.
3498 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
3499 flag_sched2_use_traces.
3500 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
3501 the backward compatibility flag section.
3503 2010-02-09 Richard Guenther <rguenther@suse.de>
3505 PR tree-optimization/43008
3506 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
3507 make HEAP variables initialized from global memory if they
3508 are not known builtin functions.
3509 (find_func_aliases): Adjust.
3511 2010-02-09 Richard Guenther <rguenther@suse.de>
3513 PR tree-optimization/43000
3514 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
3515 arithmetic manually.
3517 2010-02-08 Jakub Jelinek <jakub@redhat.com>
3519 PR tree-optimization/42931
3520 * tree-loop-linear.c (try_interchange_loops): Don't call
3521 double_int_mul if estimated_loop_iterations failed.
3523 2010-02-08 Martin Jambor <mjambor@suse.cz>
3526 * tree-sra.c (build_accesses_from_assign): Do not mark in
3527 should_scalarize_away_bitmap if stmt has volatile ops.
3528 (sra_modify_assign): Do not process assigns piecemeal if if stmt
3531 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
3533 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
3535 2010-02-07 Adam Nemet <adambnmet@gmail.com>
3537 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
3540 2010-02-07 Andrew Pinski <pinskia@gmail.com>
3543 * df-core.c (df_finish_pass): Change type of saved_flags to int.
3545 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3548 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
3549 to unknown_dependence.
3550 (graphite_legal_transform_dr): Handle the unknown_dependence.
3551 (graphite_carried_dependence_level_k): Same.
3553 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3555 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
3557 2010-02-07 Richard Guenther <rguenther@suse.de>
3560 * expr.c (get_inner_reference): Always initialize *pbitsize.
3562 2010-02-07 Richard Guenther <rguenther@suse.de>
3565 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
3566 new ARRAY_REFs on variable size element or minimal index arrays.
3568 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
3569 gimple_fold_indirect_ref.
3571 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
3574 * arm.c (arm_override_options): Just return if the user has specified
3575 an invalid fpu name.
3577 2010-02-03 Jason Merrill <jason@redhat.com>
3580 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
3581 i386_pe_maybe_record_exported_symbol.
3583 2010-02-05 Steve Ellcey <sje@cup.hp.com>
3586 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3587 (pa_delegitimize_address): New function.
3589 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
3591 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
3592 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
3594 2010-02-05 Richard Guenther <rguenther@suse.de>
3597 * lto-streamer-in.c (get_resolution): Deal with references
3598 to undefined functions.
3600 2010-02-05 Richard Guenther <rguenther@suse.de>
3602 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
3603 (fold_const_aggregate_ref): Likewise.
3604 (ccp_fold_stmt): Substitute loads.
3605 (maybe_fold_reference): Verify types before substituting.
3607 (fold_gimple_assign): Unshare properly.
3608 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
3610 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
3612 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
3613 for rs6000_gen_cell_microcode.
3615 2010-02-04 Richard Guenther <rguenther@suse.de>
3617 PR rtl-optimization/42952
3618 * dse.c (const_or_frame_p): Remove MEM handling.
3620 2010-02-04 Nick Clifton <nickc@redhat.com>
3622 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
3623 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
3624 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
3625 (mn10300_asm_output_mi_thunk): New function.
3626 (mn10300_can_output_mu_thunk): New function.
3627 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
3628 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
3629 (FUNCTION_ARG): Delete incorrect comment.
3631 2010-02-03 Jason Merrill <jason@redhat.com>
3634 * fold-const.c (operand_equal_p): Handle erroneous types.
3636 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3638 * config/h8300/h8300.md (can_delay): Fix attibute condition.
3640 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
3642 PR rtl-optimization/42941
3643 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
3646 2010-02-03 Jason Merrill <jason@redhat.com>
3649 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
3651 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
3654 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
3655 (cselib_reset_table): Renamed from...
3656 (cselib_reset_table_with_next_value): ... this.
3657 (cselib_get_next_uid): Renamed from...
3658 (cselib_get_next_unknown_value): ... this.
3659 * cselib.c (next_uid): Renamed from...
3660 (next_unknown_value): ... this.
3661 (cselib_clear_table): Adjust.
3662 (cselib_reset_table): Adjust. Renamed from...
3663 (cselib_reset_table_with_next_value): ... this.
3664 (cselib_get_next_uid): Adjust. Renamed from...
3665 (cselib_get_next_unknown_value): ... this.
3666 (get_value_hash): Use hash.
3667 (cselib_hash_rtx): Likewise.
3668 (new_cselib_val): Adjust. Set and dump uid.
3669 (cselib_lookup_mem): Pass next_uid as hash.
3670 (cselib_subst_to_values): Likewise.
3671 (cselib_log_lookup): Dump uid.
3672 (cselib_lookup): Pass next_uid as hash. Adjust.
3673 (cselib_process_insn): Adjust.
3674 (cselib_init): Initialize next_uid.
3675 (cselib_finish): Adjust.
3676 (dump_cselib_table): Likewise.
3677 * dse.c (canon_address): Dump value uid.
3678 * print-rtl.c (print_rtx): Print value uid.
3679 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
3681 (dv_uid): New function, sort of renamed from...
3682 (dv_htab_hash): ... this, reimplemented in terms of it and...
3683 (dv_uid2hash): ... this. New.
3684 (variable_htab_eq): Drop excess assertions.
3685 (tie_break_pointers): Removed.
3686 (canon_value_cmp): Compare uids.
3687 (variable_post_merge_New_vals): Print uids.
3688 (vt_add_function_parameters): Adjust.
3689 (vt_initialize): Reset table. Adjust.
3691 2010-02-03 Richard Guenther <rguenther@suse.de>
3693 PR tree-optimization/42944
3694 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
3695 (call_may_clobber_ref_p_1): Likewise. Properly handle
3696 malloc and calloc clobbering errno.
3698 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
3700 * doc/invoke.texi: Fix name of sched1 dump.
3702 * opts.c (decode_options): Set flag_tree_switch_conversion
3703 only conditionally on optimize >= 2.
3705 * gcse.c: Assorted comment fixes in pass description.
3707 2010-02-03 Anthony Green <green@moxielogic.com>
3709 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
3710 nop padding in order to maintain alignment of storage location of
3711 target function address.
3712 (moxie_trampoline_init): Store target function address at newly
3714 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
3716 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
3718 2010-02-03 Richard Guenther <rguenther@suse.de>
3721 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
3723 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3725 * config.gcc: Reenable check for obsolete targets.
3726 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
3727 mips-sgi-irix6.[0-4]*.
3729 2010-02-02 Nick Clifton <nickc@redhat.com>
3731 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
3732 constant size of 4 as being the same as 0.
3733 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
3734 can take values in the range 0..4.
3736 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
3739 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
3740 as _darwin10_Unwind_FindEnclosingFunction().
3741 * libgcc-libsystem.ver: New.
3743 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
3746 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
3747 implicitly set registers.
3749 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
3751 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
3752 (arm_override_options): Allow automatic selection of the thread
3753 pointer register if thumb2.
3754 (legitimize_pic_address): Improve code sequences for Thumb2.
3755 (arm_call_tls_get_addr): Likewise.
3756 (legitimize_tls_address): Likewise.
3757 * arm.md (pic_load_addr_arm): Delete. Replace with ...
3758 (pic_load_addr_32bit): ... this. New named pattern.
3759 * thumb2.md (pic_load_addr_thumb2): Delete.
3760 (pic_load_dot_plus_four): Delete.
3761 (tls_load_dot_plus_four): New named pattern.
3763 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3766 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
3767 Document fix for TLS bug.
3769 2010-01-31 Richard Guenther <rguenther@suse.de>
3771 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
3772 conservatively correct.
3774 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3778 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3780 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3782 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3784 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
3786 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
3788 * config.gcc: Adjust order of makefile fragments for mingw targets.
3790 2010-01-31 Richard Guenther <rguenther@suse.de>
3793 * gimplify.c (gimplify_init_constructor): For volatile LHS
3794 initialize a temporary.
3796 2010-01-31 Matthias Klose <doko@ubuntu.com>
3798 * configure.ac: Fix __stack_chk_fail check for cross builds configured
3800 * configure: Regenerate.
3802 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
3804 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3805 the same alias set and their sizes different constantness.
3806 (aliasing_component_refs_p): Revert 2009-10-24 change.
3808 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3810 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
3813 2010-01-29 Richard Guenther <rguenther@suse.de>
3815 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
3816 Assert we successfully updated the call.
3818 2010-01-29 Jakub Jelinek <jakub@redhat.com>
3820 PR rtl-optimization/42889
3821 * df.h (df_set_bb_dirty_nonlr): New prototype.
3822 * df-core.c (df_set_bb_dirty_nonlr): New function.
3823 * df-scan.c (df_insn_rescan): Call it instead of
3824 df_set_bb_dirty for DEBUG_INSNs.
3826 2010-01-29 Richard Guenther <rguenther@suse.de>
3829 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
3830 quadratic behavior in most cases.
3832 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
3835 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
3836 in the call to gen_x86_movsicc_0_m1.
3838 2010-01-28 Richard Guenther <rguenther@suse.de>
3840 PR tree-optimization/42871
3841 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
3843 2010-01-28 Richard Guenther <rguenther@suse.de>
3845 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
3846 into call arguments.
3848 2010-01-28 Richard Guenther <rguenther@suse.de>
3851 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
3852 the forwarder if the destination is an EH landing pad.
3854 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
3856 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
3857 block list passed to gimple_duplicate_sese_tail.
3858 (parallelize_loops): Avoid parallelization when the function
3860 Avoid parallelization when the preheader is IRREDUCIBLE.
3861 Try to optimize when estimated_loop_iterations_int is unresolved.
3862 Add the loop's location to the dump file.
3863 * tree-cfg.c (add_phi_args_after_redirect): Remove.
3864 (gimple_duplicate_sese_tail): Remove the check for the latch.
3865 Redirect nexits to the exit block.
3866 Remove handling of the incoming edges to the latch.
3867 Redirect the backedge from the copied latch to the exit bb.
3869 2010-01-28 Michael Matz <matz@suse.de>
3872 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
3873 Wrap force_reg into a sequence, emit it before user.
3875 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
3877 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
3879 (arm_legacy_rev): Likewise.
3880 (thumb_legacy_rev): Likewise.
3882 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3884 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
3885 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
3886 on MEM's address failed, try avoid_constant_pool_reference and
3887 recurse if it returned something different.
3888 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
3889 address, try avoid_constant_pool_reference and recurse if it
3890 returned something different.
3891 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
3892 address and avoid_constant_pool_reference returned something
3893 different, don't set have_address.
3895 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
3898 * var-tracking.c (val_store): Add modified argument, obey it.
3900 (count_uses): Move down logging of main.
3901 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
3902 don't need resolution.
3903 (emit_notes_in_bb): Likewise.
3905 2010-01-27 Richard Guenther <rguenther@suse.de>
3908 * tree-inline.c (remap_decl): Delay remapping of SSA name
3909 default definitions until we need them.
3911 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3913 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3914 (rs6000_delegitimize_address): New function.
3916 * config/s390/s390.c (s390_delegitimize_address): Call
3917 delegitimize_mem_from_attrs.
3920 * tree-inline.c (cannot_copy_type_1): Removed.
3921 (copy_forbidden): Don't forbid copying of functions containing
3922 records/unions with variable length fields.
3924 2010-01-27 Christian Bruel <christian.bruel@st.com>
3928 * config/sh/sh.c (find_barrier): Increase length for non delayed
3929 conditional branches.
3931 2010-01-27 Matthias Klose <doko@ubuntu.com>
3933 * configure.ac (gnu-unique-object): Fix ldd version check.
3934 * configure: Regenerate.
3936 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3938 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
3940 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
3941 Test for HAVE_GNU_AS value.
3943 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3945 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
3946 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
3947 INT64_TYPE): Define.
3948 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
3949 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3950 INT_LEAST64_TYPE): Define.
3951 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
3952 UINT_LEAST64_TYPE): Define.
3953 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
3954 INT_FAST64_TYPE): Define.
3955 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3956 UINT_FAST64_TYPE): Define.
3957 (INTMAX_TYPE, UINTMAX_TYPE): Define.
3958 (INTPTR_TYPE, UINTPTR_TYPE): Define.
3959 (SIG_ATOMIC_TYPE): Define.
3961 2010-01-26 Richard Guenther <rguenther@suse.de>
3963 * df-scan.c (df_scan_set_bb_info): Remove assert.
3964 (df_insn_rescan_debug_internal): Merge asserts.
3965 (df_install_ref): Likewise.
3966 (df_mark_reg): Use bitmap_set_range.
3967 (df_hard_reg_used_p): Remove assert.
3968 (df_hard_reg_used_count): Likewise.
3970 2010-01-26 Richard Guenther <rguenther@suse.de>
3972 PR rtl-optimization/42685
3973 * web.c (web_main): Ignore DEBUG_INSNs.
3975 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
3977 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
3979 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
3980 Fix types of fndecl and arglist parameters.
3982 2010-01-26 Richard Guenther <rguenther@suse.de>
3985 * tree-eh.c (unsplit_eh): Skip debug insns.
3987 2010-01-26 Richard Guenther <rguenther@suse.de>
3989 PR tree-optimization/42250
3990 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
3992 2010-01-26 Jakub Jelinek <jakub@redhat.com>
3995 * omp-low.c (expand_omp_sections): Only use single_pred if
3996 l2_bb is single_pred_p.
3998 2010-01-25 Christian Bruel <christian.bruel@st.com>
4001 * config/sh/sh.c (find_barrier): Increase length for non delayed
4002 conditional branches.
4003 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4005 2010-01-24 David S. Miller <davem@davemloft.net>
4007 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
4008 define if not using GAS.
4009 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4010 Likewise. Delete SECTION_MERGE code, which is only applicable
4013 2010-01-24 Mark Mitchell <mark@codesourcery.com>
4016 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
4017 mangling of va_list in system headers.
4019 2010-01-23 Toon Moene <toon@moene.org>
4021 * tree-predcom.c (combine_chains): Return NULL, not false.
4023 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
4025 * tree-loop-distribution.c (distribute_loop): Fix declaration and
4026 initialization of variable res to agree with return type.
4028 2010-01-22 Steve Ellcey <sje@cup.hp.com>
4030 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
4031 * tree-sra.c: Add include of expr.h.
4033 2010-01-22 Jakub Jelinek <jakub@redhat.com>
4035 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
4036 insert the debug stmt on the single non-EH edge from the stmt.
4038 2010-01-22 Richard Henderson <rth@redhat.com>
4041 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
4042 the RHS until after generate_subtree_copies has insertted its
4043 code before the current statement.
4045 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
4047 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
4049 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
4051 2010-01-21 Martin Jambor <mjambor@suse.cz>
4053 PR tree-optimization/42585
4054 * tree-sra.c (struct access): New field grp_total_scalarization.
4055 (dump_access): Dump the new field.
4056 (should_scalarize_away_bitmap): New variable.
4057 (cannot_scalarize_away_bitmap): Likewise.
4058 (sra_initialize): Allocate new bitmaps.
4059 (sra_deinitialize): Free new bitmaps.
4060 (create_access_1): New function.
4061 (create_access): Parts moved to create_access_1.
4062 (type_consists_of_records_p): New function.
4063 (completely_scalarize_record): Likewise.
4064 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
4065 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
4066 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
4068 (analyze_all_variable_accesses): Completely scalarize small eligible
4071 2010-01-21 Martin Jambor <mjambor@suse.cz>
4073 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
4075 2010-01-21 Andrew Haley <aph@redhat.com>
4077 * gcc.c (process_command): Move lang_specific_driver before
4078 setting cc_libexec_prefix.
4080 2010-01-21 Richard Guenther <rguenther@suse.de>
4083 * fold-const.c (negate_expr_p): Pretend only negative
4084 real constants are easily negatable.
4086 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4087 Jason Merrill <jason@redhat.com>
4089 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4090 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4091 * calls.c (initialize argument_information): Handle it.
4092 * c-common.c (handle_transparent_union_attribute): Use new name.
4093 * c-decl.c (finish_struct): Ditto.
4094 * c-typeck.c (type_lists_compatible_p): Ditto.
4095 (convert_for_assignment): Use new name and also handle record.
4096 * function.c (aggregate_value_p): Handle it.
4097 (pass_by_reference): Ditto.
4098 (assign_parm_data_types): Ditto.
4099 * print-tree.c (print_node): Ditto.