1 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4 __thiscall and _thiscall as predefined macros.
5 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
6 thiscall attribute handling.
7 (ix86_comp_type_attributes): Likewise.
8 (ix86_function_regparm): Likewise.
9 (ix86_return_pops_args): Likewise.
10 (init_cumulative_args): Likewise.
11 (find_drap_reg): Likewise.
12 (ix86_static_chain): Likewise.
13 (x86_this_parameter): Likewise.
14 (x86_output_mi_thunk): Likewise.
15 (ix86_attribute_table): Add description for thiscall attribute.
16 * config/i386/i386.h (ix86_args): Adjust comment for member
18 * doc/extend.texi: Add documentation for thiscall.
20 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
23 * c.opt (Wint-to-pointer-cast): Available in C++.
24 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
26 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
28 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
29 * calls.c (expand_call): Pass the function type to aggregate_value_p.
30 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
31 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
32 function type instead. Reorder and simplify checks.
34 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
36 2010-04-08 Jing Yu <jingyu@google.com>
37 Zdenek Dvorak <ook@ucw.cz>
39 PR tree-optimization/42720
40 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
41 loop unswitch conditions here from
42 (tree_unswitch_single_loop).
44 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
46 * tree-if-conv.c: Fix comments and simplify logic.
48 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
50 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
51 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
52 (main_tree_if_conversion): Update call to tree_if_conversion.
54 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
57 * doc/invoke.texi (-b,-V): Delete.
58 * doc/tm.texi: Do not mention -b.
59 * gcc.c (display_help): Delete -b and -V.
60 (process_command): Delete -b and -V.
61 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
63 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
64 Wolfgang Gellerich <gellerich@de.ibm.com>
66 Implement target hook for loop unrolling
67 * target.h (loop_unroll_adjust): Add a new target hook function.
68 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
69 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
70 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
71 (s390_loop_unroll_adjust): Implement the new target hook for s390.
72 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll target hook
73 (decide_unroll_stupid): Likewise.
75 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
78 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
80 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
82 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
83 (Specific, *-*-solaris2*): Likewise.
84 Don't prefer Sun as over GNU as.
86 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
88 * config/s390/s390.c (override_options): Adjust the z10
89 defaults for max-unroll-times, max-completely-peeled-insns
90 and max-completely-peel-times.
92 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
94 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
96 (s390_expand_setmem): Likewise.
97 (s390_expand_cmpmem): Likewise.
99 2010-04-08 Richard Guenther <rguenther@suse.de>
101 PR tree-optimization/43679
102 * tree-ssa-pre.c (eliminate): Only propagate copies.
104 2010-04-08 Jakub Jelinek <jakub@redhat.com>
107 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
108 set but not used variable warning.
110 2010-04-08 Wei Guozhi <carrot@google.com>
113 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
114 (arm_size_rtx_costs): Call the new function when optimized for size.
116 2010-04-08 Jakub Jelinek <jakub@redhat.com>
119 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
120 op0 is not a MEM, just return NULL instead of assertion
122 (discover_nonconstant_array_refs): Don't walk debug stmts.
124 2010-04-08 Doug Kwan <dougkwan@google.com>
126 * configure.ac: Recognize gold and do not use its version number
128 * configure: Regenerate.
130 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
133 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
134 (negate_value): Move code to push elements to broken_up_substracts ...
135 (eliminate_plus_minus_pair): ... here. Push operands that have no
136 negative pair to plus_negates.
137 (repropagate_negates, init_reassoc, fini_reassoc): Update.
139 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
141 * doc/install.texi (Configuration): Move description of
142 --enable-lto, --with-libelf*, --enable-gold from Java section to
145 * doc/generic.texi (Working with declarations)
146 (Function Properties, C and C++ Trees): Fix typos.
147 * doc/sourcebuild.texi (Top Level): Likewise.
149 2010-04-07 Jakub Jelinek <jakub@redhat.com>
152 * tree.h (DECL_READ_P): Define.
153 (struct tree_decl_common): Add decl_read_flag.
154 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
155 a set but not used warning.
156 (merge_decls): Merge DECL_READ_P flag.
157 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
158 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
159 * c-common.c (handle_used_attribute, handle_unused_attribute):
161 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
163 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
165 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
166 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
167 c_parser_binary_expression, c_parser_cast_expression,
168 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
169 Call default_function_array_read_conversion instead of
170 default_function_array_conversion where needed.
171 (c_parser_unary_expression, c_parser_conditional_expression,
172 c_parser_postfix_expression_after_primary, c_parser_initelt):
173 Likewise. Call mark_exp_read where needed.
174 (c_parser_statement_after_labels, c_parser_asm_operands,
175 c_parser_typeof_specifier, c_parser_sizeof_expression,
176 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
178 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
180 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
181 (warn_unused_but_set_parameter): Default to warn_unused
183 * doc/invoke.texi: Document -Wunused-but-set-variable and
184 -Wunused-but-set-parameter.
186 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
188 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
189 when operandN variables aren't used in the body of the expander
191 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
192 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
193 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
194 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
195 FOR_EACH_IMM_USE_ON_STMT): Likewise.
196 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
197 * tree.c (PROCESS_ARG): Likewise.
199 2010-04-07 Simon Baldwin <simonb@google.com>
201 * diagnostic.h (diagnostic_override_option_index): New macro to
202 set a diagnostic's option_index.
203 * c-tree.h (c_cpp_error): Add warning reason argument.
204 * opts.c (_warning_as_error_callback): New.
205 (register_warning_as_error_callback): Store callback for
206 warnings enabled via enable_warning_as_error.
207 (enable_warning_as_error): Call callback, minor code tidy.
208 * opts.h (register_warning_as_error_callback): Declare.
209 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
210 response to -Werror=.
211 (c_common_init_options): Register warning_as_error_callback in opts.c.
212 * common.opt: Add -Wno-cpp option.
213 * c-common.c (struct reason_option_codes_t): Map cpp warning
214 reason codes to gcc option indexes.
215 * (c_option_controlling_cpp_error): New function, lookup the gcc
216 option index for a cpp warning reason code.
217 * (c_cpp_error): Add warning reason argument, call
218 c_option_controlling_cpp_error for diagnostic_override_option_index.
219 * doc/invoke.texi: Document -Wno-cpp.
221 2010-04-07 Richard Guenther <rguenther@suse.de>
223 * ipa-reference.c (mark_load): Use get_base_address.
224 (mark_store): Likewise.
226 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
227 inserting GIMPLE_NOPs into the IL.
228 * tree-ssa-structalias.c (get_constraint_for_component_ref):
229 Explicitly strip handled components and indirect references.
231 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
232 folding address expressions.
233 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
234 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
235 operand_equal_p to compare decls.
236 (ptr_deref_may_alias_decl_p): Likewise.
237 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
238 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
239 Handle reversed comparison ops.
240 * tree-sra.c (asm_visit_addr): Use get_base_address.
241 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use
243 * ipa-reference.c (mark_address): Use get_base_address.
245 2010-04-07 Richard Guenther <rguenther@suse.de>
247 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
248 Propagate constants everywhere.
250 2010-04-07 Jakub Jelinek <jakub@redhat.com>
253 * tree.c (MAX_INT_CACHED_PREC): Define.
254 (nonstandard_integer_type_cache): New array.
255 (build_nonstandard_integer_type): Cache results for precision
256 <= MAX_INT_CACHED_PREC.
258 2010-04-07 Richard Guenther <rguenther@suse.de>
260 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
261 -fargument-noalias-global, -fargument-noalias-anything): Remove.
262 * common.opt: Likewise.
263 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust
265 * alias.c (base_alias_check): Remove flag_argument_noalias
267 (nonoverlapping_memrefs_p): Likewise.
268 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
269 * opts.c (common_handle_option): Handle OPT_fargument_alias,
270 OPT_fargument_noalias, OPT_fargument_noalias_anything and
271 OPT_fargument_noalias_global for backward compatibility.
273 2010-04-07 Richard Guenther <rguenther@suse.de>
275 PR tree-optimization/43270
276 * tree-vrp.c (check_array_ref): Fix flexible array member
278 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
279 * tree-ssa-pre.c (phi_translate_1): Adjust.
280 (fully_constant_expression): Split out vn_reference handling to ...
281 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
282 Fold reads from constant strings.
283 (vn_reference_lookup): Handle fully constant references.
284 (vn_reference_lookup_pieces): Likewise.
285 * Makefile.in (expmed.o-warn): Add -Wno-error.
287 2010-04-07 Martin Jambor <mjambor@suse.cz>
289 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
291 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
294 * gcc.c: Add -static-libstdc++ to list of recognized options.
296 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
298 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to
301 2010-04-07 Richard Guenther <rguenther@suse.de>
304 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with
305 pointer bases build simple mem attributes to retain
306 points-to information.
308 2010-04-07 Richard Guenther <rguenther@suse.de>
311 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
312 preserve points-to related information.
314 2010-04-07 Richard Guenther <rguenther@suse.de>
317 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
318 discard plain indirect references.
319 * fold-const.c (operand_equal_p): Guard against NULL_TREE
321 * tree.c (tree_nop_conversion): Likewise.
323 2010-04-07 Dodji Seketeli <dodji@redhat.com>
326 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
328 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
330 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
331 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
333 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
335 * tree-if-conv.c: Fix indentation and comments.
337 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
339 * tree-if-conv.c: Sort static functions in topological order.
341 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
343 * tree-if-conv.c: Fix indentation and comments.
345 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
348 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
349 lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
350 When converting an unsigned type to signed, double its precision.
351 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
352 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
353 (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
355 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
358 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
359 POINTER_PLUS_EXPR for pointer types.
361 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
364 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
365 * graphite-clast-to-gimple.c: Include langhooks.h.
366 (max_signed_precision_type): New.
367 (max_precision_type): Takes two types as arguments.
368 (precision_for_value): New.
369 (precision_for_interval): New.
370 (gcc_type_for_interval): New.
371 (gcc_type_for_value): New.
372 (gcc_type_for_clast_term): New.
373 (gcc_type_for_clast_red): New.
374 (gcc_type_for_clast_bin): New.
375 (gcc_type_for_clast_expr): Split up into several functions.
376 (gcc_type_for_clast_eq): Rewritten.
377 (compute_bounds_for_level): New.
378 (compute_type_for_level_1): New.
379 (compute_type_for_level): New.
380 (gcc_type_for_cloog_iv): Removed.
381 (gcc_type_for_iv_of_clast_loop): Rewritten.
382 (graphite_create_new_loop): Compute the lower and upper bound types
383 with gcc_type_for_clast_expr.
384 (graphite_create_new_loop_guard): Same.
385 (find_cloog_iv_in_expr): Removed.
386 (compute_cloog_iv_types_1): Removed.
387 (compute_cloog_iv_types): Removed.
388 (gloog): Do not call compute_cloog_iv_types.
389 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
391 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
392 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
393 (GBB_CLOOG_IV_TYPES): Removed.
395 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
397 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
398 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
399 (detect_commutative_reduction): Same.
401 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
403 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
404 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
406 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
407 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
408 (rewrite_commutative_reductions_out_of_ssa): Same.
409 * passes.c (execute_function_todo): Call verify_ssa for every pass
410 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
411 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
412 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
413 with an extra argument.
414 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
415 verify_ssa only when the extra argument is true.
416 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
417 with an extra argument.
418 (tree_transform_and_unroll_loop): Same.
420 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
422 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
423 for all the passes of the LNO having LOOP_CLOSED_SSA.
424 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
425 * tree-loop-distribution.c (pass_loop_distribution): Same.
426 * tree-pass.h (TODO_verify_loops): Removed.
427 * tree-ssa-loop.c (pass_tree_loop_init): Same.
429 (pass_tree_unswitch): Same.
430 (pass_predcom): Same.
431 (pass_vectorize): Same.
432 (pass_linear_transform): Same.
433 (pass_graphite_transforms): Same.
434 (pass_iv_canon): Same.
435 (pass_complete_unroll): Same.
436 (pass_complete_unrolli): Same.
437 (pass_parallelize_loops): Same.
438 (pass_loop_prefetch): Same.
439 (pass_iv_optimize): Same.
441 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
444 * passes.c (init_optimization_passes): Move pass_lim before
445 pass_copy_prop and pass_dce_loop.
447 2010-04-06 Jakub Jelinek <jakub@redhat.com>
450 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
451 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
452 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
453 MULTI_* defines for 4 argument vpermil2p* builtins.
455 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
457 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
458 * config/i386/i386.c (x86_maybe_negate_const_int): New.
459 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
460 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
461 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
462 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
463 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
464 Use x86_maybe_negate_const_int to output insn mnemonic.
465 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
466 check from instruction predicate. Update comments.
467 * config/i386/sync.md (sync_add<mode>): Use
468 x86_maybe_negate_const_int to output insn mnemonic.
470 2010-04-06 Jan Hubicka <jh@suse.cz>
472 PR tree-optimization/42906
473 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
474 IGNORE_SELF argument. Set visited_control_parents for fully
476 (find_obviously_necessary_stmts): Update call of
477 mark_control_dependent_edges_necessary.
478 (propagate_necessity): Likewise. Handle PHI edges more curefully.
480 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
482 * config/i386/i386.md: Remove comment about 'e' and 'E'
485 2010-04-06 Richard Guenther <rguenther@suse.de>
487 PR tree-optimization/43627
488 * tree-vrp.c (extract_range_from_unary_expr): Widenings
489 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
492 2010-04-06 Jakub Jelinek <jakub@redhat.com>
494 * BASE-VER: Change to 4.6.0.
497 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
500 2010-04-06 Richard Guenther <rguenther@suse.de>
503 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
505 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
507 * doc/invoke.texi (Optimize Options): Document that LTO
508 won't remove object access purely due to incompatible
511 2010-04-04 Matthias Klose <doko@ubuntu.com>
513 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
516 2010-04-03 Richard Guenther <rguenther@suse.de>
519 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
520 require a non-NULL MEM_OFFSET.
522 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
524 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
525 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
526 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
527 config/alpha/predicates.md, config/arm/arm.md,
528 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
529 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
530 config/darwin9.h, config/darwin.c, config/darwin.h,
531 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
532 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
533 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
534 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
535 config/mips/mips.md, config/mn10300/mn10300.c,
536 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
537 config/rs6000/aix.h, config/rs6000/dfp.md,
538 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
539 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
540 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
541 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
542 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
543 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
544 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
545 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
546 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
547 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
548 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
549 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
550 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
551 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
552 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
553 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
554 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
555 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
556 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
557 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
558 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
559 opt-functions.awk, opth-gen.awk, params.def, passes.c,
560 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
561 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
562 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
563 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
564 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
565 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
566 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
567 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
568 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
569 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
570 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
571 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
572 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
573 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
575 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
578 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
579 * aclocal.m4: Regenerate.
581 2010-04-02 Richard Guenther <rguenther@suse.de>
583 PR tree-optimization/43629
584 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
585 if we have seen a constant value.
587 2010-04-02 Joseph Myers <joseph@codesourcery.com>
589 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
592 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
595 * arm.c (legitimize_tls_address): Adjust call to
596 gen_tls_load_dot_plus_four.
597 (arm_note_pic_base): New function.
598 (arm_cannot_copy_insn_p): Use it.
599 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
602 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
607 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
609 * Makefile.in ($(out_object_file)): Depend on
610 gt-$(basename $(notdir $(out_file))).h.
612 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
614 * config.gcc (lm32-*-rtems*): Add t-lm32.
616 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
618 * config.gcc: Add lm32-*-rtems*.
619 * config/lm32/rtems.h: New file.
621 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
624 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
626 2010-04-01 Jakub Jelinek <jakub@redhat.com>
628 * dwarf2out.c (output_compilation_unit_header): For
629 -gdwarf-4 use version 4 instead of version 3.
630 (output_line_info): For version 4 and above emit additional
631 maximum ops per insn header field.
632 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
634 * dwarf2out.c (is_c_family, is_java): Remove.
635 (lower_bound_default): New function.
636 (add_bound_info, gen_descr_array_type_die): Use it.
638 2010-04-01 Dodji Seketeli <dodji@redhat.com>
641 * dwarf2out.c (gen_variable_die): Allow debug info for variable
642 re-declaration when it happens in a function.
644 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
646 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
647 (cgraph_remove_function_insertion_hook): Same.
648 (cgraph_call_function_insertion_hooks): Same.
650 2010-04-01 Richard Guenther <rguenther@suse.de>
653 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
654 and TREE_THIS_VOLATILE.
655 (copy_ref_info): Likewise.
656 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
657 * tree.c (build6_stat): Ignore side-effects of all but arg5
658 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
661 2010-04-01 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/43607
664 * ipa-type-escape.c (check_call): Do not access non-existing
667 2010-04-01 Richard Guenther <rguenther@suse.de>
671 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
672 Jack Howarth <howarth@bromo.med.uc.edu>
674 * tree-profile.c (tree_init_ic_make_global_vars): Make static
677 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
679 * doc/install.texi (Prerequisites): Document libelf usability on
680 IRIX 5/6 and Solaris 2.
681 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
682 Update GNU as, GNU ld requirements.
683 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
684 Document Sun Studio compiler download.
685 Update and simplify as, ld recommendations.
686 (Specific, *-*-solaris2.7): Note obsoletion, removal.
688 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
690 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
691 with_tune_32 to pentium4.
693 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
695 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
697 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
699 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
702 Document GNU as requirement.
703 Update configure requirements.
704 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
706 Recomment IRIX 6.5.18+.
707 Document IDF/IDL requirement.
708 Document GNU as requirement.
709 Document GNU ld bootstrap failure.
710 Remove freeware.sgi.com reference.
712 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
714 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
715 UNIX V4.0, V5.0 obsoletion, removal.
716 Remove --with-gc=simple reference.
717 Update VM requirements during bootstrap.
718 Remove -oldas bootstrap description.
719 Update binutils reference.
720 Remove comparison failure note.
722 2010-03-31 Richard Guenther <rguenther@suse.de>
723 Zdenek Dvorak <ook@ucw.cz>
724 Sebastian Pop <sebastian.pop@amd.com>
727 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
728 with multiple arguments.
729 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
731 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
733 * graphite-dependences.c (print_pddr): Call print_pdr with an
735 * graphite-poly.c (debug_pdr): Add an extra argument for the
738 (print_pbb_domain): Same.
740 (print_scop_context): Same.
743 (debug_pbb_domain): Same.
747 (debug_scop_context): Same.
750 (print_scop_params): Same.
751 (debug_scop_params): Same.
752 (print_iteration_domain): Same.
753 (print_iteration_domains): Same.
754 (debug_iteration_domain): Same.
755 (debug_iteration_domains): Same.
756 (print_scattering_function): Same.
757 (print_scattering_functions): Same.
758 (debug_scattering_function): Same.
759 (debug_scattering_functions): Same.
760 * graphite-poly.h (debug_pdr): Update declaration.
762 (print_pbb_domain): Same.
764 (print_scop_context): Same.
767 (debug_pbb_domain): Same.
771 (debug_scop_context): Same.
774 (print_scop_params): Same.
775 (debug_scop_params): Same.
776 (print_iteration_domain): Same.
777 (print_iteration_domains): Same.
778 (debug_iteration_domain): Same.
779 (debug_iteration_domains): Same.
780 (print_scattering_function): Same.
781 (print_scattering_functions): Same.
782 (debug_scattering_function): Same.
783 (debug_scattering_functions): Same.
785 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
787 * graphite-poly.c (print_scattering_function_1): New.
788 (print_scattering_function): Call it.
789 (print_scop_params): Remove spaces at the end of lines.
792 * graphite-poly.h (print_cloog): Declared.
793 (debug_cloog): Declared.
795 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
797 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
799 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
800 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
801 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
802 to switch between adding the IV bump in loop->latch or in loop->header.
804 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
806 * graphite-poly.c (print_scattering_function): Pretty print following
809 (print_pbb_domain): Same.
810 (dump_gbb_cases): Same.
811 (dump_gbb_conditions): Same.
814 (print_scop_params): Same.
815 (print_scop_context): Same.
817 (print_pbb_body): New.
818 (lst_indent_to): New.
819 (print_lst): Start new lines with a #.
820 * graphite-poly.h (pbb_bb): New.
821 (pbb_index): Use pbb_bb.
822 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
824 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
826 2010-03-31 Jakub Jelinek <jakub@redhat.com>
828 * dwarf2out.c (size_of_die): For -gdwarf-4 use
829 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
830 and 0 instead of 1 for dw_val_class_flag.
831 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
832 dw_val_class_range_list, dw_val_class_loc_list,
833 dw_val_class_lineptr and dw_val_class_macptr, use
834 DW_FORM_flag_present for dw_val_class_flag and
835 DW_FORM_exprloc for dw_val_class_loc.
836 (output_die): For -gdwarf-4 print dw_val_class_loc
837 size as uleb128 instead of 1 or 2 bytes and don't print
838 anything for dw_val_class_flag.
840 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
841 instead of cselib_lookup following by tweaking locs->setting_insn.
844 * cselib.c (cselib_process_insn): Clear cselib_current_insn
845 even before returning from label, setjmp call or volatile asm
848 2010-03-31 Richard Guenther <rguenther@suse.de>
851 * cgraphunit.c (cgraph_output_in_order): Do not allocate
852 temporary data on stack.
854 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
856 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
857 (PUSHSECTION_ASM_OP): Remove.
858 (POPSECTION_ASM_OP): Remove.
859 (PUSHSECTION_FORMAT): Remove.
860 * config/sol2.h (PUSHSECTION_FORMAT): Define.
861 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
862 * config/sol2.c (solaris_output_init_fini): Use it.
864 2010-03-31 Jie Zhang <jie@codesourcery.com>
867 * opt-functions.awk (var_type_struct): Use signed char type
868 for simple variables.
870 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
872 * config/sol2.c: Include output.h.
873 (solaris_assemble_visibility): New function.
874 * config/t-sol2 (sol2.o): Add output.h dependency.
875 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
876 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
879 2010-03-31 Jakub Jelinek <jakub@redhat.com>
882 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
883 V2SImode or XFmode on PRE_DEC.
886 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
889 2010-03-31 Jie Zhang <jie@codesourcery.com>
892 * reload.h (caller_save_initialized_p): Declare.
893 * toplev.c (backend_init_target): Don't call
894 init_caller_save but set caller_save_initialized_p to false.
895 * caller-save.c (caller_save_initialized_p): Define.
896 (init_caller_save): Check caller_save_initialized_p.
897 * ira.c (ira): Call init_caller_save if flag_caller_saves.
899 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
902 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
903 and soft-fp/t-softfp to tmake_file.
904 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
905 (LIBGCC2_TF_CEXT): Define.
908 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
911 * cselib.c (n_useless_values): Document handling of debug locs.
912 (n_useless_debug_values, n_debug_values): New variables.
913 (new_elt_loc_list): Don't add to debug values, keep count.
914 (promote_debug_loc): New.
915 (cselib_reset_table): Zero new variables.
916 (entry_and_rtx_equal_p): Promote debug locs.
917 (discard_useless_locs): Increment n_useless_debug_values for
919 (remove_useless_values): Adjust n_useless_values and n_debug_values
920 with n_useless_debug_values.
921 (add_mem_for_addr): Promote debug locs.
922 (cselib_lookup_mem): Likewise.
923 (cselib_lookup_addr): Renamed to...
924 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
925 (cselib_log_lookup): ... this. Turn into...
926 (cselib_lookup_addr): ... new wrapper.
927 (cselib_lookup_from_insn): New.
928 (cselib_invalidate_regno): Increment n_useless_debug_values for
930 (cselib_invalidate_mem): Likewise.
931 (cselib_process_insn): Take n_deleted and n_debug_values into
932 account to guard remove_useless_value call.
933 (cselib_finish): Zero n_useless_debug_values.
934 * cselib.h (cselib_lookup_from_insn): Declare.
935 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
936 (sched_analyze_2): Likewise.
938 2010-03-30 Jakub Jelinek <jakub@redhat.com>
940 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
942 (adjust_mems): Replace narrowing SUBREG of expression containing
943 just PLUS, MINUS, MULT and ASHIFT of registers and constants
944 with operations in the narrower mode.
947 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
948 regs_invalidated_by_call instead all call_used_reg_set registers.
950 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
953 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
954 pointer comparisons with types_compatible_p.
955 * tree-vect-stmts.c (vectorizable_call): Same.
956 (vectorizable_condition): Same.
958 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
960 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
961 stack check if the mask would be zero.
963 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
964 Jack Howarth <howarth@bromo.med.uc.edu>
966 * tree-profile.c (tree_init_ic_make_global_vars): Make static
969 2010-03-30 Joseph Myers <joseph@codesourcery.com>
972 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
974 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
975 Include ___unordxf2 and ___unordtf2.
976 * config/i386/libgcc-glibc.ver: Do not define inheritance from
979 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
981 * config/lm32/t-lm32: New file.
982 * config.gcc: Use the above file when targetting lm32.
984 2010-03-28 Duncan Sands <baldrick@free.fr>
986 * Makefile.in (PLUGIN_HEADERS): Add except.h.
988 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
991 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
992 Improve vectorization cost model diagnostic.
994 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
997 * tree-vect-data-refs.c (vect_analyze_data_refs): When
998 compute_data_dependences_for_loop returns false, early exit
999 and output an extra diagnostic for the failed data reference
1002 2010-03-29 Richard Guenther <rguenther@suse.de>
1004 PR tree-optimization/43560
1005 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1006 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1008 2010-03-29 Jie Zhang <jie@codesourcery.com>
1011 * toplev.c (process_options): Set optimization_default_node
1012 and optimization_current_node.
1013 * opts.c (decode_options): Don't set optimization_default_node
1014 and optimization_current_node.
1016 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1018 * config/rtems.h: Abandon -qrtems_debug.
1020 2010-03-28 Jan Hubicka <jh@suse.cz>
1022 PR tree-optimization/43505
1023 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1024 map should not be copied.
1026 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1029 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1030 cdtors, set DECL_PRESERVE_P.
1031 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1034 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1036 PR tree-optimization/43528
1037 * stor-layout.c (place_field): Check that constant fits into
1038 unsigned HWI when skipping calculation of MS bitfield layout.
1040 2010-03-27 Jan Hubicka <jh@suse.cz>
1043 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1044 notice_global_symbol work.
1046 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1048 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1049 instead of dwarf2out_decl.
1050 (struct var_loc_node): Remove section_label field.
1051 (dwarf2out_function_decl): New function.
1052 (dwarf2out_var_location): Don't set section_label field.
1053 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1055 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1057 PR tree-optimization/43544
1058 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1059 First argument for builtin vectorized function hook is now a
1060 tree to be able to distinguish between machine specific and
1062 * targhooks.c (default_builtin_vectorized_function): Ditto.
1063 * targhooks.h (default_builtin_vectorized_function): Ditto.
1064 * target.h (struct gcc_target): Ditto.
1065 * tree-vect-stmts.c (vectorizable_function): Ditto.
1066 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
1067 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1070 2010-03-26 Joseph Myers <joseph@codesourcery.com>
1073 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
1074 nested binding iff it is a FUNCTION_DECL.
1075 (store_parm_decls_newstyle): Pass nested=true to bind for
1076 FUNCTION_DECLs amongst parameters.
1078 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1080 * var-tracking.c (vt_expand_loc_callback): Don't run
1081 cselib_expand_value_rtx_cb in dummy mode if
1082 cselib_dummy_expand_value_rtx_cb returned false.
1084 * var-tracking.c (emit_note_insn_var_location): For one part
1085 notes with offset 0, don't add EXPR_LIST around the location.
1086 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
1087 add_location_or_const_value_attribute): Adjust for that change.
1090 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
1091 into first operand and location into second.
1092 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
1093 dw_cfi_oprnd_loc for DW_CFA_expression.
1094 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
1095 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
1096 assume first argument is regnum and second argument is location.
1098 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1101 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1102 of scratch register to DImode. Split to DImode comparison operator.
1103 Use SImode subreg of scratch register in the multiplication.
1104 (*cmp_sadd_sidi): Ditto.
1105 (*cmp_ssub_si): Ditto.
1106 (*cmp_ssub_sidi): Ditto.
1108 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1111 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
1112 Remove invalid assert and wrong comment.
1114 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1117 * flags.h (final_insns_dump_p): New extern.
1118 * final.c (final_insns_dump_p): New variable.
1119 (rest_of_clean_state): Set it before -fdump-final-insns=
1120 dumping, clear afterwards.
1121 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
1122 MEM_ALIAS_SET on MEMs.
1124 2010-03-26 David S. Miller <davem@davemloft.net>
1126 * configure.ac: Fix sparc GOTDATA_OP bug check.
1127 * configure: Rebuild.
1129 2010-03-26 Alan Modra <amodra@gmail.com>
1131 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
1133 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1135 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
1136 TLS_SECTION_ASM_FLAG.
1138 2010-03-25 Jakub Jelinek <jakub@redhat.com>
1141 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
1142 Clear first_function_block_is_cold.
1145 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
1146 argument if the argument is truth_value_p.
1148 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1150 * config/rs6000/constraints.md: Update copyright year for my changes.
1153 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
1154 used in reg+reg addressing, swap registers.
1156 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1159 * target.h (struct gcc_target): Add code_end hook.
1160 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
1162 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
1163 * toplev.c (compile_file): Call targetm.asm_out.code_end
1164 hook before unwind info/debug info output.
1165 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
1166 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
1167 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1168 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
1169 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1170 * config/i386/i386.c (ix86_file_end): Renamed to...
1171 (ix86_code_end): ... this. Make static. Don't call
1172 file_end_indicate_exec_stack. Emit unwind info using
1173 final_start_function/final_end_function.
1174 (darwin_x86_file_end): Remove.
1175 (TARGET_ASM_CODE_END): Define.
1176 * config/i386/i386.h (TARGET_ASM_FILE_END,
1177 NEED_INDICATE_EXEC_STACK): Don't define.
1178 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
1179 (TARGET_ASM_FILE_END): Define to darwin_file_end.
1180 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
1181 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
1184 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
1185 at the beginning and final_end_function at the end.
1186 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1188 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1190 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
1191 and Sun as TLS syntax.
1192 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
1193 * configure: Regenerate.
1194 * config.in: Regenerate.
1195 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
1196 (default_elf_asm_named_section): Use it.
1197 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
1198 (i386_output_dwarf_dtprel): Likewise.
1199 (output_addr_const_extra): Likewise.
1200 (output_pic_addr_const): Lowercase @GOTTPOFF.
1201 (output_addr_const_extra): Likewise.
1202 (output_pic_addr_const): Lowercase @GOTNTPOFF.
1203 (output_addr_const_extra): Likewise.
1204 (output_pic_addr_const): Lowercase @INDNTPOFF.
1205 (output_addr_const_extra): Likewise.
1206 (output_pic_addr_const): Lowercase @NTPOFF.
1207 (output_addr_const_extra): Likewise.
1208 (output_pic_addr_const): Lowercase @TPOFF.
1209 (output_addr_const_extra): Likewise.
1210 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
1211 (*tls_global_dynamic_64): Likewise.
1212 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
1213 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
1215 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
1216 (ASM_OUTPUT_TLS_COMMON): Use it.
1217 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
1220 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
1221 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
1222 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
1223 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1224 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1225 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
1227 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1229 * config/i386/i386.c (override_options): Don't accept
1230 -mtls-dialect=sun any longer.
1231 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
1232 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
1233 (*tls_local_dynamic_base_32_sun): Likewise.
1234 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1236 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1239 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1240 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
1243 * ira.c (adjust_cleared_regs): New function.
1244 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
1248 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
1250 * expr.c (expand_expr_real): Restore previous
1251 curr_insn_source_location and curr_insn_block after
1252 expand_expr_real_1 call.
1253 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
1254 instead of expand_expr_real_1.
1256 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
1258 PR rtl-optimization/43413
1259 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
1262 2010-03-22 James E. Wilson <wilson@codesourcery.com>
1265 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
1266 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
1268 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
1270 * config/i386/i386.c (ix86_target_string): Add -mfma.
1271 Fix a typo in comment.
1273 2010-03-22 Mike Stump <mikestump@comcast.net>
1276 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1277 Don't overly align based upon packed packed fields.
1279 2010-03-22 Jason Merrill <jason@redhat.com>
1281 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
1282 Use () rather than [], and move before the element type.
1284 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1286 * doc/configfiles.texi (Configuration Files): Removed
1287 fixinc/Makefile*, intl/Makefile.*.
1288 * doc/makefile.texi: Fixed markup. Abstract from version
1289 control system used.
1290 (Makefile): Removed obsolete gcc/java/parse.y example.
1291 * doc/sourcebuild.texi: Likewise.
1292 (Top Level): Added config, gnattools, libdecnumber, libgcc,
1293 libgomp, libssp. Removed fastjar.
1294 (Miscellaneous Docs): Clarify location.
1295 Added COPYING3, COPYING3.LIB.
1296 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
1298 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1301 * config/i386/i386.c (x86_function_profiler)
1302 [!NO_PROFILE_COUNTERS]: Fix typo.
1303 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
1306 2010-03-22 Janis Johnson <janis187@us.ibm.com>
1307 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1309 * doc/sourcebuild.texi (Test Directives): Split into six
1310 subsections, with most of the current text in new subsections
1311 Directives, Selectors, and Final Actions.
1312 (Directives): Split list of test directives into multiple
1314 (Selectors): Describe use and syntax of selectors.
1315 (Effective-Target Keywords): Describe all existing keywords.
1316 (Add Options): Describe features for dg-add-options.
1317 (Require Support): Describe variants of dg-require-support.
1318 (Final Actions): Describe commands to use in dg-final.
1320 2010-03-22 Michael Matz <matz@suse.de>
1323 * recog.c (validate_replace_rtx_group): Replace also in
1324 REG_EQUAL and REG_EQUIV notes.
1326 2010-03-22 Richard Guenther <rguenther@suse.de>
1328 PR tree-optimization/43390
1329 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
1330 sure vector extracts are type correct.
1332 2010-03-22 Richard Guenther <rguenther@suse.de>
1335 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
1336 x * sqrt (x) even when optimizing for size if the target
1337 has native support for sqrt.
1339 2010-03-22 Jakub Jelinek <jakub@redhat.com>
1341 * varasm.c (make_decl_rtl_for_debug): Also clear
1342 flag_mudflap for the duration of make_decl_rtl call.
1345 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
1346 locs from preserved VALUEs.
1348 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1351 * pa.md (movmemsi): Set align to one if zero.
1352 (movmemdi): Likewise.
1354 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
1357 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
1358 with their corresponding prologue pushes.
1360 2010-03-20 Andrew Pinski <pinskia@gmail.com>
1363 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
1364 at the begining or end.
1365 (spu_expand_epilogue): Likewise.
1367 2010-03-20 Richard Guenther <rguenther@suse.de>
1369 PR rtl-optimization/43438
1370 * combine.c (make_extraction): Properly zero-/sign-extend an
1371 extraction of the low part of a CONST_INT. Also handle
1374 2010-03-19 Mike Stump <mikestump@comcast.net>
1376 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
1377 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
1378 (override_options): Use SUBTARGET32_DEFAULT_CPU.
1380 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1383 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
1386 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
1388 PR rtl-optimization/42258
1389 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
1390 use that may match DEF.
1393 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
1394 the cost of loading the constant rather than assuming
1396 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
1397 outer code is AND, do the same tests as the andsi3 expander and
1398 return COSTS_N_INSNS (1) if and is cheap.
1400 * optabs.c (avoid_expensive_constant): Fix formatting.
1402 2010-03-19 Michael Matz <matz@suse.de>
1405 * attribs.c (decl_attributes): When rebuilding a function pointer
1406 type use the same qualifiers as the original pointer type.
1408 2010-03-19 Martin Jambor <mjambor@suse.cz>
1410 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
1411 and is_gimple_ip_invariant_address.
1413 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1416 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1418 * config/arm/arm.c (arm_override_options): Turn off
1419 flag_dwarf2_cfi_asm for AAPCS variants.
1421 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1424 * config/arm/arm.c (emit_multi_reg_push): Update comments.
1425 Use PRE_MODIFY instead of PRE_DEC.
1426 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
1427 (vfp_emit_fstmd): Likewise.
1429 2010-03-19 Michael Matz <matz@suse.de>
1432 * builtins.c (expand_builtin_interclass_mathfn,
1433 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
1436 2010-03-19 Richard Guenther <rguenther@suse.de>
1438 PR tree-optimization/43415
1439 * tree-ssa-pre.c (phi_translate): Split out worker to ...
1440 (phi_translate_1): ... this.
1441 (phi_translate): Move all caching here. Cache all NARY
1442 and REFERENCE translations.
1444 2010-03-19 David S. Miller <davem@davemloft.net>
1446 With help from Eric Botcazou.
1447 * config/sparc/sparc.c: Include dwarf2out.h.
1448 (emit_pic_helper): Delete.
1449 (pic_helper_symbol_name): Delete.
1450 (pic_helper_emitted_p): Delete.
1451 (pic_helper_needed): New.
1452 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
1453 (get_pc_thunk_name): New.
1454 (load_pic_register): Remove 'delay_pic_helper' arg. Use
1455 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
1456 Set pic_helper_needed to true. Don't call emit_pic_helper.
1457 (sparc_expand_prologue): Update load_pic_register call.
1458 (sparc_output_mi_thunk): Likewise.
1459 (sparc_file_end): Emit a hidden comdat symbol for the PIC
1460 thunk if possible. Output CFI information as needed.
1462 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1463 Jack Howarth <howarth@bromo.med.uc.edu>
1466 * config/i386/i386.h: Fix ABI on darwin x86-32.
1468 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
1470 * tree.h: Declare make_decl_rtl_for_debug.
1471 * varasm.c (make_decl_rtl_for_debug): New.
1472 * dwarf2out.c (rtl_for_decl_location): Call it.
1473 * cfgexpand.c (expand_debug_expr): Call it.
1475 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1478 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
1482 * var-tracking.c (vt_init_cfa_base): Do nothing if
1483 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
1485 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
1488 * var-tracking.c (canonicalize_vars_star): New.
1489 (dataflow_post_merge_adjust): Use it.
1491 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1494 * var-tracking.c (non_suitable_const): New function.
1495 (add_uses): For DEBUG_INSNs with constants, don't record any
1496 value, instead just the constant value itself.
1497 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
1498 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1499 (emit_notes_in_bb): Likewise.
1500 (emit_note_insn_var_location): For onepart variables if
1501 cur_loc is a VOIDmode constant, use DECL_MODE.
1503 2010-03-18 Martin Jambor <mjambor@suse.cz>
1506 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1507 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1508 all non-clones. Moved call redirection...
1509 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1510 (cgraph_materialize_all_clones): Dispose of all
1511 combined_args_to_skip bitmaps.
1512 (verify_cgraph_node): Do not check for edges pointing to wrong
1513 nodes in inline clones.
1514 * tree-inline.c (copy_bb): Call
1515 cgraph_redirect_edge_call_stmt_to_callee.
1516 * ipa.c (cgraph_remove_unreachable_nodes): Call
1517 cgraph_node_remove_callees even when there are used clones.
1519 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1521 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1523 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1526 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1529 2010-03-18 Michael Matz <matz@suse.de>
1532 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1533 into sqrt(x) if we need to preserve signed zeros.
1535 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1536 Eric Botcazou <ebotcazou@adacore.com>
1538 PR rtl-optimization/43360
1539 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1540 note if we don't know its invariant status.
1542 2010-03-18 Michael Matz <matz@suse.de>
1544 PR tree-optimization/43402
1545 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1546 PHI chains of ssa names registered for update.
1548 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1551 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1552 non-offsettable and pre_modify update addressing.
1553 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1554 and "2" alternatives "#".
1555 (*movdd_softfloat32): Make all alternatives "#";
1556 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1557 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1558 (*movdf_softfloat32): Make all alternatives "#";
1559 (movdi): Use the new DIFD mode iterator to create a common splitter
1560 for movdi, movdf and movdd patterns.
1562 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1564 * common.opt (dumpdir): Remove redundant tab.
1566 2010-03-17 Martin Jambor <mjambor@suse.cz>
1568 PR tree-optimization/43347
1569 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1570 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1572 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1574 PR rtl-optimization/42216
1575 * regrename.c (create_new_chain): New function, broken out from...
1576 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1577 appending a use to an empty chain.
1578 (build_def_use): Remove previous changes that convert OP_INOUT to
1579 OP_OUT operands; instead detect the case where an OP_INOUT operand
1580 uses a previously untracked register and create an empty chain for it.
1582 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1584 * doc/extend.texi (Function Attributes): Rewrite unfinished
1585 sentence in ms_abi documentation.
1587 2010-03-17 Alan Modra <amodra@gmail.com>
1589 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1590 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1591 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1592 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1594 2010-03-16 Richard Henderson <rth@redhat.com>
1597 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1598 (lower_try_finally): Save and restore eh_seq around the expansion
1601 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1603 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1604 statements before splitting block.
1606 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1608 * doc/sourcebuild.texi (Testsuites): Fix markup.
1609 Use pathnames relative to gcc/testsuite.
1610 (Test Directives): Move description of how timeout is determined.
1611 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1612 (C Tests): Correct gcc.misc-tests directory.
1613 Framework tests now live in gcc.test-framework.
1615 2010-03-16 Richard Guenther <rguenther@suse.de>
1618 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1619 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1621 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1622 Alexandre Oliva <aoliva@redhat.com>
1624 PR tree-optimization/42917
1625 * lambda-code.c (remove_iv): Skip debug statements.
1626 (lambda_loopnest_to_gcc_loopnest): Likewise.
1627 (not_interesting_stmt): Debug statements are not interesting.
1629 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1633 * cselib.c (cselib_preserve_constants,
1634 cfa_base_preserved_val): New static variables.
1635 (preserve_only_constants): New function.
1636 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1637 clear its REG_VALUES. If cselib_preserve_constants, don't
1638 empty the whole hash table, but preserve there VALUEs with constants,
1639 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1640 (cselib_preserve_cfa_base_value): New function.
1641 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1642 (cselib_init): Change argument to int bitfield. Set
1643 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1645 (cselib_finish): Clear cselib_preserve_constants and
1646 cfa_base_preserved_val.
1647 * cselib.h (enum cselib_record_what): New enum.
1648 (cselib_init): Change argument to int.
1649 (cselib_preserve_cfa_base_value): New prototype.
1650 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1651 * dse.c (dse_step1): Likewise.
1652 * cfgcleanup.c (thread_jump): Likewise.
1653 * sched-deps.c (sched_analyze): Likewise.
1654 * gcse.c (local_cprop_pass): Likewise.
1655 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1656 If FN is non-NULL, call the callback always and whenever it returns
1657 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1658 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1659 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1660 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1661 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1662 * var-tracking.c: Include recog.h.
1663 (bb_stack_adjust_offset): Remove.
1664 (vt_stack_adjustments): Don't call it, instead just gather the
1665 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1666 (adjust_stack_reference): Remove.
1667 (compute_cfa_pointer): New function.
1668 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1669 (struct adjust_mem_data): New type.
1670 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1672 (get_address_mode): New function.
1673 (replace_expr_with_values): Use it.
1674 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1675 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1676 (adjust_sets): Remove.
1677 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1678 Use get_address_mode.
1679 (get_adjusted_src): Remove.
1680 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1681 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1682 (add_with_sets): Don't call adjust_sets.
1683 (fp_setter, vt_init_cfa_base): New functions.
1684 (vt_initialize): Change return type to bool. Move most of pool etc.
1685 initialization to the beginning of the function from end. Pass
1686 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1687 If !frame_pointer_needed, call vt_stack_adjustment before mos
1688 vector is filled, call vt_init_cfa_base if argp/framep has been
1689 eliminated to sp. If frame_pointer_needed and argp/framep has
1690 been eliminated to hard frame pointer, set
1691 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1692 encountering fp setter in the prologue. For MO_ADJUST, call
1693 log_op_type before pusing the op into mos vector, not afterwards.
1694 Call adjust_insn before cselib_process_insn/add_with_sets,
1695 call cancel_changes (0) afterwards.
1696 (variable_tracking_main_1): Adjust for vt_initialize calling
1697 vt_stack_adjustments and returning whether it succeeded or not.
1699 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1701 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1704 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1706 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1708 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1709 drap_reg has not been set.
1711 2010-03-15 Michael Matz <matz@suse.de>
1714 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1715 use it to expand block copies.
1716 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1717 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1718 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1720 2010-03-15 Richard Guenther <rguenther@suse.de>
1722 PR tree-optimization/43367
1723 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1726 2010-03-15 Richard Guenther <rguenther@suse.de>
1728 PR tree-optimization/43317
1729 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1731 2010-03-15 Martin Jambor <mjambor@suse.cz>
1733 PR tree-optimization/43141
1734 * tree-sra.c (create_abstract_origin): New function.
1735 (modify_function): Call create_abstract_origin.
1737 2010-03-15 Chris Demetriou <cgd@google.com>
1739 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1742 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1745 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1746 call insert_out_of_ssa_copy for default definitions.
1748 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1750 * graphite-clast-to-gimple.c (my_long_long): Defined.
1751 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1752 * graphite-sese-to-poly.c (my_long_long): Defined.
1753 (scop_ivs_can_be_represented): Use it.
1755 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1757 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1758 graphite-max-bbs-per-function, and loop-block-tile-size.
1759 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1761 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1763 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1765 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1766 forward declaration.
1767 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1768 (add_upper_bounds_from_estimated_nit): New.
1769 (build_loop_iteration_domains): Use it.
1771 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1773 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1775 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1778 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1779 should be an INTEGER_CST. Also handle CASE_CONVERT.
1781 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1783 * graphite.c (graphite_initialize): To bound the number of bbs per
1784 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1785 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1786 * doc/invoke.texi: Document it.
1788 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1790 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1791 * graphite-sese-to-poly.h (build_poly_scop): Same.
1793 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1795 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1796 the number of parameters in the scop. Use as an upper bound
1797 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1798 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1799 * doc/invoke.texi: Document it.
1801 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1803 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1804 * doc/c-tree.texi: Remove.
1805 * doc/generic.texi: Merge c-tree.texi here.
1806 * doc/gccint.texi (Trees): Remove menu entry.
1807 (c-tree.texi): Remove @include.
1808 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1809 * doc/languages.texi (Reading RTL): Ditto.
1811 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1814 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1816 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1819 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1820 code added to work around reload clobbering CONST insns.
1822 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1824 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1825 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1826 (cselib_preserve_only_values): Remove retain argument, don't
1827 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1828 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1829 * var-tracking.c (micro_operation): Move insn field before union.
1830 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1831 (struct variable_tracking_info_def): Remove n_mos field, change
1832 mos into a vector of micro_operations.
1833 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1834 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1835 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1836 changing into a vector.
1837 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1838 come before all other uops generated by add_stores.
1839 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1841 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
1842 a vector. Run just one pass over the bbs instead of separate counting
1843 and computation phase.
1844 (vt_finalize): Free VTI (bb)->mos vector instead of array.
1847 * tree-inline.c (remap_decls): Put old_var rather than origin_var
1848 into *nonlocalized_list vector.
1849 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
1850 even if origin is non-NULL.
1851 (gen_variable_die): Likewise.
1852 (process_scope_var): Don't change origin.
1853 (gen_decl_die): Likewise.
1854 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
1855 before adding new edges instead of after it, fix moving over
1858 2010-03-11 David S. Miller <davem@davemloft.net>
1860 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
1862 * configure: Rebuild.
1864 2010-03-11 Martin Jambor <mjambor@suse.cz>
1866 PR tree-optimization/43257
1867 * tree.c (assign_assembler_name_if_neeeded): New function.
1868 (free_lang_data_in_cgraph): Assembler name assignment moved to the
1870 * tree.h (assign_assembler_name_if_neeeded): Declare.
1871 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
1872 the function if needed.
1874 2010-03-11 Chris Demetriou <cgd@google.com>
1876 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
1877 include/stdint-gcc.h, and include/stdint.h world-readable.
1879 2010-03-11 Richard Guenther <rguenther@suse.de>
1881 PR tree-optimization/43255
1882 * tree-vrp.c (process_assert_insertions_for): Do not insert
1883 asserts for trivial conditions.
1885 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1887 PR tree-optimization/43280
1888 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
1889 generation. Move calculation of size out of the if branch.
1890 (find_bswap): Modify compare number generation.
1892 2010-03-11 Richard Guenther <rguenther@suse.de>
1895 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
1896 (input_gimple_stmt): Fixup handled component types during
1897 operand read. Also fix up decls in ADDR_EXPRs.
1899 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
1901 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
1902 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
1904 2010-03-10 Jan Hubicka <jh@suse.cz>
1907 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
1908 * varasm.c (get_variable_section): Don't do that here...
1909 (make_decl_rtl): ... and here.
1910 (do_assemble_alias): Produce decl RTL.
1911 (assemble_alias): Likewise.
1913 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1916 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
1917 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
1919 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
1920 (based_loc_descr): Only express drap or vdrap regno based expressions
1921 using DW_OP_fbreg when not optimizing.
1922 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
1923 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
1924 REG_CFA_SET_VDRAP note.
1926 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
1928 PR tree-optimization/43236
1929 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
1930 error in calculation of base address in reverse iteration case.
1931 (generate_builtin): Take number of latch executions if the statement
1934 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
1937 * tree-eh.c: Include pointer-set.h.
1938 (lower_eh_dispatch): Filter out duplicate case labels and
1939 remove the unneeded edge when the label is unused. Return
1940 true when some edges are removed.
1941 (execute_lower_eh_dispatch): When any lowering resulted in
1942 removing an edge, also delete unreachable blocks.
1944 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1947 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1948 UNSPEC_MACHOPIC_OFFSET.
1950 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
1953 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
1954 (m68k_delegitimize_address): New function.
1956 2010-03-09 Jakub Jelinek <jakub@redhat.com>
1959 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
1962 * var-tracking.c (adjust_sets): New function.
1963 (count_with_sets, add_with_sets): Use it.
1964 (get_adjusted_src): New inline function.
1965 (add_stores): Use it.
1968 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
1969 call cselib_dummy_expand_value_rtx_cb instead of
1970 cselib_expand_value_rtx_cb.
1973 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
1974 * config/i386/i386.c: Include debug.h and dwarf2out.h.
1975 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
1976 and .cfi_endproc around the pic thunks.
1977 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
1978 all queued unwind info register saves are saved before the call.
1979 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
1980 considered as sp-=4 for unwind info and the pop as sp+=4 which
1981 also clobbers dest, but doesn't actually restore it.
1984 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
1985 RTX_FRAME_RELATED_P.
1987 2010-03-09 Jie Zhang <jie@codesourcery.com>
1989 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
1990 whitespaces in output template.
1992 2010-03-09 Jie Zhang <jie@codesourcery.com>
1994 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
1997 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1999 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2000 builtins.exp in a separate job.
2002 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2004 * graphite-sese-to-poly.c (add_param_constraints): Use
2005 lower_bound_in_type and upper_bound_in_type.
2007 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2009 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2010 instead of unsigned_type_node.
2012 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2013 Reza Yazdani <reza.yazdani@amd.com>
2016 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2017 on pointer type parameters.
2019 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2023 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2024 handle conversions from pointer to integers.
2025 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2026 induction variable, to be able to work with code generated by CLooG.
2027 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2028 (build_poly_scop): Bail out if we cannot codegen a loop.
2030 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2032 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2033 code generation with gloog_error.
2035 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2037 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2038 Call fold_convert on all the returned values.
2039 (expand_scalar_variables_expr): Pass to
2040 expand_scalar_variables_ssa_name the type of the resulting expression.
2042 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2044 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2045 ppl_min_for_le_pointset.
2046 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2047 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2049 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2051 * graphite-dependences.c (map_into_dep_poly): Removed.
2052 (dependence_polyhedron_1): Use combine_context_id_scat.
2054 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2056 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2057 (struct poly_bb): Same.
2058 (combine_context_id_scat): New.
2060 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2063 * sese.c (name_defined_in_loop_p): Return false for default
2066 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2068 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2069 and clean up the logic.
2071 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2073 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2076 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2078 * var-tracking.c (remove_cselib_value_chains): Define only for
2080 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
2081 delete_slot_part, emit_notes_for_differences_1): Don't call
2082 remove_cselib_value_chains here.
2083 (set_slot_part, emit_notes_for_differences_2): Don't call
2084 add_cselib_value_chains here.
2085 (preserved_values): New vector.
2086 (preserve_value): New function.
2087 (add_uses, add_stores, vt_add_function_parameters): Use it
2088 instead of cselib_preserve_value.
2089 (changed_values_stack): New vector.
2090 (check_changed_vars_0): New function.
2091 (check_changed_vars_1, check_changed_vars_2): Use it.
2092 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
2093 changed_values_stack VALUEs.
2094 (vt_emit_notes): For all preserved_values call
2095 add_cselib_value_chains. If ENABLE_CHECKING call
2096 remove_cselib_value_chains before verifying value_chains is empty.
2097 Initialize and free changed_values_stack.
2098 (vt_initialize): Initialize preserved_values.
2099 (vt_finalize): Free preserved_values.
2101 2010-03-08 Richard Guenther <rguenther@suse.de>
2103 PR tree-optimization/43269
2104 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
2107 2010-03-08 Martin Jambor <mjambor@suse.cz>
2109 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
2110 (ipa_is_param_called): Removed.
2111 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
2112 (ipa_print_node_params): Do not print the called flag.
2113 (ipa_write_node_info): Do not stream the called flag.
2114 (ipa_read_node_info): Likewise.
2116 2010-03-07 Jakub Jelinek <jakub@redhat.com>
2119 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
2120 * cselib.c (struct expand_value_data): Add dummy field.
2121 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
2123 (cselib_dummy_expand_value_rtx_cb): New function.
2124 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
2126 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
2127 * var-tracking.c: Include pointer-set.h.
2128 (variable): Change n_var_parts to char from int. Add
2129 cur_loc_changed and in_changed_variables fields.
2130 (variable_canonicalize): Remove.
2131 (shared_var_p): New inline function.
2132 (unshare_variable): Maintain cur_loc_changed and
2133 in_changed_variables fields. If var was in changed_variables,
2134 replace it there with new_var. Just copy cur_loc instead of
2135 resetting it to something else.
2136 (variable_union): Don't recompute cur_loc. Use shared_var_p.
2137 (dataflow_set_union): Don't call variable_canonicalize.
2138 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
2139 of their DEBUG_EXPR_TREE_DECLs.
2140 (canonicalize_loc_order_check): Verify that cur_loc is NULL
2141 and in_changed_variables and cur_loc_changed is false.
2142 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
2143 and cur_loc_changed. Don't update cur_loc here.
2144 (variable_merge_over_src): Don't call variable_canonicalize.
2145 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
2146 removing loc that is equal to cur_loc, clear cur_loc,
2147 set cur_loc_changed and ensure variable_was_changed is called.
2148 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
2149 compare pointers in cur_loc check, if it is equal to loc,
2150 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
2151 (variable_different_p): Remove compare_current_location argument,
2152 don't compare cur_loc.
2153 (dataflow_set_different_1): Adjust variable_different_p caller.
2154 (variable_was_changed): If dv had some var in changed_variables
2155 already, reset in_changed_variables flag for it and propagate
2156 cur_loc_changed over to the new variable. On empty var
2157 always set cur_loc_changed. Set in_changed_variables on whatever
2158 var is added to changed_variables.
2159 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
2160 Use shared_var_p. When removing loc that is equal to cur_loc,
2161 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
2162 end, don't set it to something else, just call variable_was_changed.
2163 (delete_slot_part): Use shared_var_p. When cur_loc equals to
2164 loc being removed, clear cur_loc and set cur_loc_changed.
2165 Set cur_loc_changed if all locations have been removed.
2166 (struct expand_loc_callback_data): New type.
2167 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
2168 allocated. Always create SUBREGs if simplify_subreg failed.
2169 Prefer to use cur_loc, when that fails and still in
2170 changed_variables (and seen first time) recompute it. Set
2171 cur_loc_changed of variables which had to change cur_loc and
2172 compute elcd->cur_loc_changed if any of the subexpressions used
2173 had to change cur_loc.
2174 (vt_expand_loc): Adjust to pass arguments in
2175 expand_loc_callback_data structure.
2176 (vt_expand_loc_dummy): New function.
2177 (emitted_notes): New variable.
2178 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
2179 that weren't used for any other decl in current
2180 emit_notes_for_changes call call vt_expand_loc_dummy to update
2181 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
2182 first loc_chain location if NULL before. Always use just
2183 cur_loc instead of first loc_chain location. When cur_loc_changed
2184 is false, when not --enable-checking=rtl just don't emit any note.
2185 When rtl checking, compute the note and assert it is the same
2186 as previous note. Clear cur_loc_changed and in_changed_variables
2187 at the end before removing from changed_variables.
2188 (check_changed_vars_3): New function.
2189 (emit_notes_for_changes): Traverse changed_vars to call
2190 check_changed_vars_3 on each changed var.
2191 (emit_notes_for_differences_1): Clear cur_loc_changed and
2192 in_changed_variables. Recompute cur_loc of new_var.
2193 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
2194 (vt_emit_notes): Initialize and destroy emitted_notes.
2196 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
2198 PR rtl-optimization/42220
2199 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
2200 Use verify_reg_tracked to determine if we should use OP_OUT rather
2202 (build_def_use): If we see an in-out operand for a register that we
2203 know nothing about, treat is an output if possible, fail the block if
2206 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2209 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
2212 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2215 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
2216 uses of relevant DEFs that are dead outside the loop too.
2218 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2220 * var-tracking.c (dataflow_set_merge): Swap src and src2.
2222 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2224 * var-tracking.c (values_to_unmark): New variable.
2225 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2226 values_to_unmark vector. Moved body to...
2227 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2228 instead queue it into values_to_unmark vector.
2229 (vt_find_locations): Free values_to_unmark vector.
2231 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
2233 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
2234 (site.exp): Export them when plugins are enabled.
2236 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
2239 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
2241 (chrec_fold_multiply): Same.
2243 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2246 * c-decl.c (build_compound_literal): Return early if init is
2249 2010-03-04 Martin Jambor <mjambor@suse.cz>
2251 PR tree-optimization/43164
2252 PR tree-optimization/43191
2253 * tree-sra.c (type_consists_of_records_p): Reject records with
2254 zero-size bit-fields at the end.
2256 2010-03-04 Mike Stump <mikestump@comcast.net>
2258 * Makefile.in (TAGS): Remove *.y.
2260 2010-03-04 Richard Guenther <rguenther@suse.de>
2262 PR tree-optimization/40761
2263 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
2265 (my_rev_post_order_compute): New function.
2266 (init_pre): Call it.
2268 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
2271 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
2272 decrease the cost of an IV candidate when the cost is infinite.
2274 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2276 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
2277 Use '3DNow!' for the extension of that name, ensure normal space
2279 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2281 2010-03-03 Jeff Law <law@redhat.com>
2283 * PR middle-end/32693
2284 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
2285 than gen_rtx_SUBREG.
2286 (extract_bit_field_1): Likewise.
2288 2010-03-03 Janis Johnson <janis187@us.ibm.com>
2290 * doc/sourcebuild.texi (Test directives): Document that arguments
2291 include-opts and exclude-opts are now optional for dg-skip-if,
2292 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
2294 2010-03-03 Jason Merrill <jason@redhat.com>
2297 * cgraph.h (varpool_node): Add extra_name field.
2298 * varpool.c (varpool_extra_name_alias): New.
2299 (varpool_assemble_decl): Emit extra name aliases.
2300 (varpool_mark_needed_node): Look past an extra name alias.
2301 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
2302 * lto-streamer-in.c (lto_input_tree): Read it.
2303 * lto-streamer-out.c (output_unreferenced_globals): Write it.
2305 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
2307 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
2308 (sparc*-*-solaris2*): ...this.
2310 2010-03-03 Jakub Jelinek <jakub@redhat.com>
2313 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
2314 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
2315 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
2316 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
2319 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
2320 fallthrough to default handling, just with want_address 0 instead of 2.
2321 For single element lists, add_AT_loc directly, otherwise create an
2322 artificial variable DIE and stick location list to it.
2325 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
2326 (VAL_EXPR_HAS_REVERSE): Define.
2327 (reverse_op): New function.
2328 (add_stores): For reversible operations add an extra MO_VAL_USE.
2330 2010-03-02 Jason Merrill <jason@redhat.com>
2332 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
2334 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
2336 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
2337 (sparc64-*-linux*): Likewise.
2338 (sparc64-*-solaris2*): Include assembler files before linker ones.
2339 (sparc-*-solaris2*): Simplify and reorder to match previous case.
2340 * config/sparc/gas.h: Delete.
2341 * config/sparc/sol2-64.h: Add copyright notice.
2342 * config/sparc/sol2-gas-bi.h: Likewise.
2343 * config/sparc/sol2-gld.h: Likewise.
2344 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
2345 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
2346 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
2347 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
2348 (sparc_elf_asm_named_section): Rename into...
2349 (sparc_solaris_elf_asm_named_section): ...this. Always define.
2351 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
2353 * config/alpha/alpha.c (override_options): Fix -mtune error message.
2355 2010-03-02 Jeff Law <law@redhat.com>
2358 * reload1.c (rtx_p, substitute_stack): Declare.
2359 (substitute): Record addresses of changed rtxs.
2360 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
2361 Restore the original rtx when complete.
2362 (reload): Free subsitute_stack when complete.
2364 2010-03-02 Janis Johnson <janis187@us.ibm.com>
2366 * doc/gccint.texi (menu): Add Testsuites as a chapter.
2367 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
2369 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
2370 LTO Testing, gcov Testing, profopt Testing, compat Testing,
2371 Torture Tests): Change from subsection to section.
2373 2010-03-02 Jakub Jelinek <jakub@redhat.com>
2374 Steven Bosscher <steven@gcc.gnu.org>
2376 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
2379 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
2382 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
2383 the assignment from the new induction variable to the assignment
2384 of the value from the original loop PHI function.
2386 2010-03-01 Janis Johnson <janis187@us.ibm.com>
2387 Daniel Jacobowitz <dan@codesourcery.com>
2389 * doc/sourcebuild.texi (Test directives): Clarify options to
2392 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2394 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
2395 Disable cfi directives unless GCC and gas agree on using read-only
2396 .eh_frame sections for 64-bit.
2397 * configure: Regenerate.
2399 2010-03-01 Richard Guenther <rguenther@suse.de>
2401 PR tree-optimization/43220
2402 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
2403 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
2405 2010-03-01 Richard Guenther <rguenther@suse.de>
2406 Martin Jambor <mjambor@suse.cz>
2409 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
2410 gimplified parameters.
2412 2010-03-01 Christian Bruel <christian.bruel@st.com>
2414 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
2416 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
2418 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
2420 2010-03-01 Richard Guenther <rguenther@suse.de>
2423 * expr.c (expand_assignment): Use the alias-oracle to tell
2424 if the rhs aliases the result decl.
2426 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2429 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
2430 to sol_gt_pch_get_address.
2431 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
2432 64-bit, SPARC and x86.
2433 (sol_gt_pch_get_address): New function.
2435 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
2437 * toplev.h (inform_n, error_n): Declare.
2438 * diagnostic.c (inform_n, error_n): New function.
2440 2010-03-01 Jakub Jelinek <jakub@redhat.com>
2442 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
2443 has no rtl yet when processing local_decls, queue it and recheck
2444 if deferred stack allocation hasn't assigned it rtl.
2446 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
2448 * config/sh/sh.c (unspec_bbr_uid): New.
2449 (gen_block_redirect): Use it instead of INSN_UID.
2450 (gen_far_branch): Likewise.
2452 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
2454 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
2455 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
2457 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2459 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
2460 (Warning Options): -Wno-conversion-null is valid for
2461 Objective-C++ as well.
2462 * doc/tm.texi (Named Address Spaces): Likewise.
2463 * doc/plugins.texi (Plugins): Replace TABs with spaces.
2464 * doc/tree-ssa.texi (Tree SSA): Likewise.
2466 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2469 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
2470 by default. Don't set the default arch for
2471 i[34567]86-*-darwin*|x86_64-*-darwin*.
2473 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2476 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
2477 default. Set the default 32bit/64bit archs with $with_arch
2478 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
2480 2010-02-27 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/43186
2483 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
2484 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
2485 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
2486 unroller iterations.
2488 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2490 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
2491 required and i[34567]86-*-* targets don't support 64bit ISA.
2493 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
2496 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2499 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2501 * config.gcc: Set the default arch at least to Prescott for
2502 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2503 if SSE math is enabled.
2505 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2507 * diagnostic.c (diagnostic_initialize): Update.
2508 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2510 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2511 (diagnostic_inhibit_notes): New.
2512 * toplev.c (process_options): inhibit notes with -fcompare-debug.
2514 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2517 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2518 * doc/standards.texi: Likewise.
2519 * doc/extend.texi: Likewise.
2520 * doc/trouble.texi: Likewise.
2521 * doc/cppopts.texi: Likewise.
2522 * doc/install.texi: Likewise.
2523 * c.opt (std=c90,std=gnu90): New options.
2524 * c-opts.c (c_common_handle_option): Handle them.
2526 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2529 * c-decl.c (undeclared_variable): Use an informative note.
2531 2010-02-26 Richard Guenther <rguenther@suse.de>
2533 PR tree-optimization/43186
2534 * gimple.h (gimple_fold): Remove.
2535 * gimple.c (gimple_fold): Remove. Inline into single user ...
2536 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2537 Try harder for conditions.
2539 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2542 * function.c (used_types_insert): Don't skip through named pointer
2543 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2544 and it is different from the main variant's type.
2546 2010-02-26 Nick Clifton <nickc@redhat.com>
2548 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2550 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2552 * config.gcc: Support --with-fpmath=sse for x86.
2554 * config/i386/ssemath.h: New.
2556 * doc/install.texi (--with-fpmath=sse): Documented.
2558 2010-02-26 Richard Guenther <rguenther@suse.de>
2560 PR tree-optimization/43188
2561 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2562 vector types of over-aligned element type.
2564 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2567 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2568 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2570 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2572 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2574 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2576 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2577 * var-tracking.c: Include diagnostic.h.
2578 (debug_dv): New function.
2579 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2582 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2583 (add_value_chain, add_value_chains, remove_value_chain,
2584 remove_value_chains): Handle DEBUG_EXPRs.
2585 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2588 * regcprop.c (struct queued_debug_insn_change): New type.
2589 (struct value_data_entry): Add debug_insn_changes field.
2590 (struct value_data): Add n_debug_insn_changes field.
2591 (debug_insn_changes_pool): New variable.
2592 (free_debug_insn_changes, apply_debug_insn_changes,
2593 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2594 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2595 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2597 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2599 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2600 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2601 changes, call cprop_find_used_regs via note_stores.
2602 (copyprop_hardreg_forward): When copying vd from predecessor
2603 which has any queued DEBUG_INSN changes, make sure the pointers are
2604 cleared. At the end call df_analyze and then if there are any
2605 DEBUG_INSN changes queued at the end of some basic block for still
2606 live registers, apply them.
2607 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2609 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2611 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2614 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2616 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2617 targets. Set the default with_cpu/with_arch from arch/cpu.
2618 Allow x86-64 and native for with_cpu/with_arch.
2620 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2622 * ebitmap.c: Change calls to verify_popcount with calls to
2623 sbitmap_verify_popcount.
2624 (ebitmap_clear_bit): Fixed map->cacheindex test and
2625 map>cache update when bit clearing results in an empty
2628 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2631 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2632 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2633 and support both V2DF and V2DI modes.
2634 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2635 support both V2DF and V2DI modes.
2636 (general): Delete trailing whitespace from a few patterns.
2638 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2639 V2DF/V2DI interleave high/low builtins.
2641 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2644 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2645 interleave high/low functions.
2647 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2649 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2650 #pragma extern_prefix.
2652 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2655 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2656 BLKmode, assert op0 is a MEM and just adjust its mode.
2659 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2660 if bitpos isn't multiple of mode's bitsize.
2662 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2664 * c.opt (-ftemplate-depth=): New.
2665 (-ftemplate-depth-): Deprecate.
2666 * optc-gen.awk: Handle -ftemplate-depth=.
2667 * opth-gen.awk: Likewise.
2668 * c-opts.c (c_common_handle_option): Likewise.
2669 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2671 2010-02-24 Jason Merrill <jason@redhat.com>
2673 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2675 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2677 * cfg.c (alloc_aux_for_block): Remove inline.
2678 (alloc_aux_for_edge): Likewise.
2680 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2682 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2684 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2686 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2687 * config/i386/sol2-gas.h: New file.
2688 * config.gcc (i[34567]86-*-solaris2*): Use it.
2690 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2693 * c-typeck.c (ep_convert_and_check): New.
2694 (build_conditional_expr): Use it.
2695 (build_binary_op): Likewise.
2697 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2699 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2702 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2703 bounds even for -O+.
2704 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2705 expr needs to have DECL_NAME set.
2707 2010-02-24 Nick Clifton <nickc@redhat.com>
2709 * config/mep/mep.c: Include gimple.h.
2710 (mep_function_uses_sp): Delete unused function.
2711 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2712 parameters. Use unsigned integers to count args. Return a
2713 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2715 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2718 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2719 greater or equal to nelt instead of 2 * nelt.
2720 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2723 2010-02-23 Jason Merrill <jason@redhat.com>
2726 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2727 in cfun->local_decls even if they have register types.
2730 * stor-layout.c (place_field): Don't warn about unnecessary
2731 DECL_PACKED if the type is packed.
2733 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2736 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2737 GOTOFF relocs, even when the base reg isn't pic pointer.
2739 2010-02-23 Michael Matz <matz@suse.de>
2742 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2743 (expand_gimple_basic_block): Generate and use debug temps if there
2744 are debug uses left after the last real use of TERed ssa names.
2745 Unlink debug immediate uses when they are expanded.
2747 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2750 * config/i386/i386.c (override_options): Reorganise to provide
2751 better error messages.
2753 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2756 * graphite-scop-detection.c (create_single_exit_edge): Move
2757 the call to find_single_exit_edge to....
2758 (create_sese_edges): ...here. Don't handle multiple edges
2759 exiting the function.
2760 (build_graphite_scops): Don't handle multiple edges
2761 exiting the function.
2763 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2766 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2767 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2769 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2772 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2774 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2777 * c-typeck.c (convert_arguments): Print declaration location.
2778 * c-common.c (validate_nargs): Rename as
2779 builtin_function_validate_nargs.
2780 (check_builtin_function_arguments): Update.
2782 2010-02-22 Richard Guenther <rguenther@suse.de>
2785 * tree-inline.c (declare_return_variable): Use the type of
2786 the call stmt lhs if available.
2788 2010-02-22 Duncan Sands <baldrick@free.fr>
2790 * passes.c (register_pass): Always consider all pass lists when
2791 ref_pass_instance_number is zero.
2793 2010-02-22 Richard Guenther <rguenther@suse.de>
2795 PR tree-optimization/42749
2796 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2797 parameter. Do arithmetic in the original type.
2798 (update_accumulator_with_ops): Likewise.
2799 (adjust_accumulator_values): Adjust.
2801 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2803 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2804 (QI to BLKmode splitter): New splitter.
2806 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2808 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2809 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2811 2010-02-22 Richard Guenther <rguenther@suse.de>
2813 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2815 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2817 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2818 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2819 ($(T)crti.o, $(T)crtn.o): Remove rules.
2821 2010-02-21 Tobias Burnus <burnus@net-b.de>
2824 * doc/invoke.texi (-fassociative-math): Document that this
2825 option is automatically enabled for Fortran.
2827 2010-02-20 David S. Miller <davem@davemloft.net>
2829 * configure.ac: Test if linker and assembler properly support
2830 GOTDATA_OP relocations.
2831 * configure: Rebuild.
2832 * config.in: Likewise.
2833 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2834 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2835 (movsi_high_pic): Likewise.
2836 (movdi_lo_sum_pic): Likewise.
2837 (movdi_high_pic): Likewise.
2838 (movsi_pic_gotdata_op): New pattern.
2839 (movdi_pic_gotdata_op): Likewise.
2840 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2841 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
2843 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
2846 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
2847 attribute to ssemul.
2848 (xop_mulv2div2di3_high): Ditto.
2850 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2853 * c.opt (Wconversion-null): New option.
2854 * doc/invoke.texi (Wconversion-null): Document.
2856 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2858 * common.opt (Wlarger-than-): Add Undocumented.
2860 2010-02-19 Mike Stump <mikestump@comcast.net>
2862 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
2864 2010-02-19 Jason Merrill <jason@redhat.com>
2867 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
2868 * configure: Likewise.
2870 2010-02-20 Alan Modra <amodra@gmail.com>
2873 * cgraph.h (cgraph_make_decl_local): Declare.
2874 * cgraph.c (cgraph_make_decl_local): New function.
2875 (cgraph_make_node_local): Use it.
2876 * cgraphunit.c (cgraph_function_versioning): Likewise.
2877 * ipa.c (function_and_variable_visibility): Likewise.
2879 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2882 * except.c (sjlj_emit_function_enter): Don't call
2883 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
2885 * rtl.h (add_reg_br_prob_note): Remove prototype.
2887 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2890 * c-common.c (conversion_warning): Remove widening conversions
2891 before checking the conversion of integers to reals.
2893 2010-02-19 Mike Stump <mikestump@comcast.net>
2896 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
2899 * cgraphunit.c (process_function_and_variable_attributes): Check
2900 DECL_PRESERVE_P instead of looking up attribute "used".
2901 * ipa-pure-const.c (check_decl): Likewise.
2902 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
2903 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
2904 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
2905 instead of attribute "used".
2906 * config/sol2-c.c (solaris_pragma_init): Likewise.
2907 (solaris_pragma_fini): Likewise.
2909 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2911 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
2912 Use XCNEW instead of xcalloc.
2913 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
2914 XNEW instead of xmalloc.
2915 (get_fields): Use XNEWVEC instead of xmalloc.
2918 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
2919 populate vars array.
2920 (create_new_general_access): For debug stmts just reset value.
2921 (get_stmt_accesses): For accesses within debug stmts just record them
2922 using add_access_to_acc_sites instead of preventing the peeling or
2923 counting them as accesses.
2926 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
2928 2010-02-19 Richard Guenther <rguenther@suse.de>
2930 PR tree-optimization/42916
2931 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
2934 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
2936 * configure.ac: Replace all uses of changequote in macro arguments
2937 with proper quoting.
2939 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2942 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
2944 2010-02-19 Richard Guenther <rguenther@suse.de>
2946 PR tree-optimization/42944
2947 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
2948 test for aliasing with errno.
2950 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2953 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
2954 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
2955 * dojump.c: Include output.h.
2956 (inv): New inline function.
2957 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
2958 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
2959 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
2960 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
2961 argument, pass it down to other calls.
2962 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
2963 add REG_BR_PROB note to the conditional jump.
2964 * cfgexpand.c (add_reg_br_prob_note): Removed.
2965 (expand_gimple_cond): Don't call it, add the probability
2966 as last argument to jumpif_1/jumpifnot_1.
2967 * Makefile.in (dojump.o): Depend on output.h.
2968 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
2970 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
2971 * stmt.c (do_jump_if_equal): Likewise.
2972 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
2973 * loop-unswitch.c (compare_and_jump_seq): Likewise.
2974 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
2976 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
2977 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
2978 jumpifnot_1 callers.
2979 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
2981 (store_expr): Adjust jumpifnot caller.
2982 (store_constructor): Adjust jumpif caller.
2985 * gimplify.c (gimple_boolify): For __builtin_expect call
2986 gimple_boolify also on its first argument.
2988 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
2990 * configure.ac (gnu-unique-object): Wrap regexps using [] in
2992 (__stack_chk_fail): Ditto. Remove quadrigraphs.
2993 * configure: Regenerated.
2995 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2997 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
2998 lang_hooks.types_compatible_p instead of comptypes.
3000 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3002 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3003 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3004 if __prefer_thumb__ is defined.
3006 2010-02-18 Martin Jambor <mjambor@suse.cz>
3008 PR tree-optimization/43066
3009 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3010 array with zero-sized element type.
3012 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3014 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3015 rtx, allocate struct var_loc_node here and return it to the
3016 caller, and only if it is actually needed.
3017 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3018 move it earlier and return immediately if it returns NULL.
3020 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3022 * config/sparc/gas.h: New file. Restore
3023 TARGET_ASM_NAMED_SECTION to its ELF default.
3024 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3026 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3027 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3028 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3029 after sparc/sysv4.h.
3031 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3033 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3035 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3037 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3038 patterns from predicated pattern.
3040 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3043 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3044 for insn mnemonic suffix.
3046 2010-02-17 Richard Guenther <rguenther@suse.de>
3048 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3051 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3054 * caller-save.c (save_call_clobbered_regs): If BB ends with
3055 a DEBUG_INSN, move any notes in between last real insn and the last
3056 DEBUG_INSN after the last DEBUG_INSN.
3058 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
3060 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
3061 Fix return type. Fix argument type. Explain meaning of return value.
3063 2010-02-16 Richard Guenther <rguenther@suse.de>
3065 PR tree-optimization/41043
3066 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
3067 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
3069 (vrp_visit_phi_node): ... but only for loop PHI nodes.
3071 2010-02-16 Ira Rosen <irar@il.ibm.com>
3073 PR tree-optimization/43074
3074 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
3075 * tree-vect-loop.c (vect_analyze_loop_operations): Add
3076 vectorizable cycles in hybrid SLP check.
3077 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
3079 2010-02-16 Richard Guenther <rguenther@suse.de>
3081 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
3082 (true_dependence): If memrefs_conflict_p computes must-alias
3083 trust it. Move TBAA check after offset-based disambiguation.
3084 (canon_true_dependence): Likewise.
3086 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
3088 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
3089 * doc/invoke.texi: Document it.
3090 * var-tracking.c: Include toplev.h and params.h.
3091 (vt_find_locations): Return bool indicating success. Compute
3092 hash sizes unconditionally. Check new parameter, report.
3093 (variable_tracking_main_1): Check vt_find_locations results and
3094 retry. Renamed from...
3095 (variable_tracking_main): ... this. New wrapper to preserve
3096 flag_var_tracking_assignments.
3097 * Makefile.in (var-tracking.o): Adjust dependencies.
3099 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
3100 Jakub Jelinek <jakub@redhat.com>
3103 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
3104 if weak_import attribute is present.
3105 * config/darwin.c (machopic_select_section): Likewise.
3107 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
3109 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
3110 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
3111 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
3112 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
3114 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
3116 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3119 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
3120 Rewrite text to refer to the names.
3122 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
3124 * config/i386/i386-builtin-types.def
3125 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
3126 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
3127 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
3128 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
3129 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
3130 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
3131 IX86_BUILTIN_VPERMIL2PS256.
3132 (MULTI_ARG_4_DF2_DI_I): Defined.
3133 (MULTI_ARG_4_DF2_DI_I1): Defined.
3134 (MULTI_ARG_4_SF2_SI_I): Defined.
3135 (MULTI_ARG_4_SF2_SI_I1): Defined.
3136 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
3137 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
3138 __builtin_ia32_vpermil2ps256.
3139 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3140 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3141 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
3142 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3143 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3144 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
3145 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
3146 CODE_FOR_xop_vpermil2v8sf3.
3147 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
3148 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
3149 * config/i386/xopintrin.h (_mm_permute2_pd): New.
3150 (_mm256_permute2_pd): New.
3151 (_mm_permute2_ps): New.
3152 (_mm256_permute2_ps): New.
3154 2010-02-15 Nick Clifton <nickc@redhat.com>
3156 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
3157 boolean parameters. Use emit_jump_insn when emitting a pop
3158 instruction containing a return insn.
3159 (push): Use 'true' rather than '1' as second parameter to F.
3160 (h8300_expand_prologue): Likewise.
3161 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
3162 (h8300_expand_epilogue): Likewise.
3164 2010-02-15 Richard Guenther <rguenther@suse.de>
3167 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
3170 2010-02-15 Nick Clifton <nickc@redhat.com>
3172 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
3175 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
3177 * intl.c (fake_ngettext): New function.
3178 * intl.h (fake_ngettext): Declare.
3179 (ngettext): Define macro.
3180 * collect2.c (notice_translated): New function.
3181 (main): Use notice_translated and ngettext.
3182 * collect2.h (notice_translated): Declare.
3184 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
3186 * reorg.c (delete_computation): Comment fixes.
3187 * caller-save.c (setup_save_areas): Idem.
3188 * sel-sched-dump.c (dump_lv_set): Idem.
3191 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3193 * config/s390/s390.c (s390_sched_init): New function.
3194 (TARGET_SCHED_INIT): Target hook defined.
3196 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
3197 Jack Howarth <howarth@bromo.med.uc.edu>
3198 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3201 Partial revert of unintended change in fix for PR41605.
3202 * config/darwin.h: Fix typo.
3203 * config/darwin9.h: Same.
3205 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3207 * c-pch.c (pch_init): Clear v.
3209 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3212 * graphite-scop-detection.c (graphite_can_represent_scev): Call
3213 graphite_can_represent_init for MULT_EXPR.
3215 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3219 * graphite-sese-to-poly.c (remove_phi): New.
3220 (translate_scalar_reduction_to_array): Call remove_phi.
3222 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3225 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
3226 * graphite-clast-to-gimple.h (gloog): Update declaration.
3227 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
3228 * graphite-poly.h (struct poly_bb): Add missing comments.
3229 (struct scop): Add poly_scop_p field.
3231 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
3232 * graphite.c (graphite_transform_loops): Build the polyhedral
3233 representation for each scop before code generation.
3234 * sese.c (rename_variables_in_operand): Removed.
3235 (rename_variables_in_expr): Return the renamed expression.
3236 (rename_sese_parameters): New.
3237 * sese.h (rename_sese_parameters): Declared.
3239 2010-02-11 Richard Guenther <rguenther@suse.de>
3241 PR tree-optimization/42998
3242 * tree-ssa-pre.c (create_expression_by_pieces): Treat
3243 POINTER_PLUS_EXPR properly.
3245 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3246 Changpeng Fang <changpeng.fang@amd.com>
3249 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
3250 the cost of an IV candidate when the IV is used in a test against zero.
3252 * gcc.dg/tree-ssa/ivopts-3.c: New.
3254 2010-02-11 Richard Guenther <rguenther@suse.de>
3257 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
3258 pointer-vs-decl case by swapping refs. Handle some cases
3259 of pointer-vs-decl disambiguations more conservatively.
3260 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
3261 to false after expanding.
3263 2010-02-11 Richard Guenther <rguenther@suse.de>
3266 * gcc.c (process_command): Handle LTO file@offset case more
3269 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3271 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
3272 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
3274 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
3276 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
3277 if MEM's mode size isn't DWARF2_ADDR_SIZE.
3278 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
3279 Optimize eq/ne comparisons when both arguments are known to be
3281 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
3282 Don't mask operands unnecessarily if they are known to be already
3285 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
3287 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
3290 2010-02-10 Richard Guenther <rguenther@suse.de>
3292 PR tree-optimization/43017
3293 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
3294 for wrapping signed arithmetic.
3296 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3299 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
3300 if no debug info should be emitted for it.
3302 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3304 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
3305 note when flag_exceptions is set.
3307 2010-02-10 Duncan Sands <baldrick@free.fr>
3309 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
3311 2010-02-10 Richard Guenther <rguenther@suse.de>
3314 * tree.c (get_unwidened): Handle constants.
3315 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
3317 2010-02-10 Martin Jambor <mjambor@suse.cz>
3320 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
3321 check for variable argument counts independently.
3323 2010-02-10 Christian Bruel <christian.bruel@st.com>
3326 * config/sh/sh.c (find_barrier): Increase length for non delayed
3327 conditional branches.
3329 2010-02-10 Christian Bruel <christian.bruel@st.com>
3331 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
3333 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3335 * builtins.c (set_builtin_user_assembler_name): Also handle
3336 ffs if int is smaller than word.
3338 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
3341 * ira-conflicts.c (get_dup): Remove.
3342 (process_reg_shuffles): Add new parameter. Use it as an
3343 additional guard for copy generation.
3344 (add_insn_allocno_copies): Rewrite.
3346 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
3348 * common.opt (fsched2-use-traces): Preserved for backward
3350 * doc/invoke.texi: Remove the documentation about option
3351 -fsched2-use-traces.
3352 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
3353 flag_sched2_use_traces.
3354 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
3355 the backward compatibility flag section.
3357 2010-02-09 Richard Guenther <rguenther@suse.de>
3359 PR tree-optimization/43008
3360 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
3361 make HEAP variables initialized from global memory if they
3362 are not known builtin functions.
3363 (find_func_aliases): Adjust.
3365 2010-02-09 Richard Guenther <rguenther@suse.de>
3367 PR tree-optimization/43000
3368 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
3369 arithmetic manually.
3371 2010-02-08 Jakub Jelinek <jakub@redhat.com>
3373 PR tree-optimization/42931
3374 * tree-loop-linear.c (try_interchange_loops): Don't call
3375 double_int_mul if estimated_loop_iterations failed.
3377 2010-02-08 Martin Jambor <mjambor@suse.cz>
3380 * tree-sra.c (build_accesses_from_assign): Do not mark in
3381 should_scalarize_away_bitmap if stmt has volatile ops.
3382 (sra_modify_assign): Do not process assigns piecemeal if if stmt
3385 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
3387 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
3389 2010-02-07 Adam Nemet <adambnmet@gmail.com>
3391 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
3394 2010-02-07 Andrew Pinski <pinskia@gmail.com>
3397 * df-core.c (df_finish_pass): Change type of saved_flags to int.
3399 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3402 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
3403 to unknown_dependence.
3404 (graphite_legal_transform_dr): Handle the unknown_dependence.
3405 (graphite_carried_dependence_level_k): Same.
3407 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3409 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
3411 2010-02-07 Richard Guenther <rguenther@suse.de>
3414 * expr.c (get_inner_reference): Always initialize *pbitsize.
3416 2010-02-07 Richard Guenther <rguenther@suse.de>
3419 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
3420 new ARRAY_REFs on variable size element or minimal index arrays.
3422 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
3423 gimple_fold_indirect_ref.
3425 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
3428 * arm.c (arm_override_options): Just return if the user has specified
3429 an invalid fpu name.
3431 2010-02-03 Jason Merrill <jason@redhat.com>
3434 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
3435 i386_pe_maybe_record_exported_symbol.
3437 2010-02-05 Steve Ellcey <sje@cup.hp.com>
3440 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3441 (pa_delegitimize_address): New function.
3443 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
3445 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
3446 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
3448 2010-02-05 Richard Guenther <rguenther@suse.de>
3451 * lto-streamer-in.c (get_resolution): Deal with references
3452 to undefined functions.
3454 2010-02-05 Richard Guenther <rguenther@suse.de>
3456 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
3457 (fold_const_aggregate_ref): Likewise.
3458 (ccp_fold_stmt): Substitute loads.
3459 (maybe_fold_reference): Verify types before substituting.
3461 (fold_gimple_assign): Unshare properly.
3462 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
3464 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
3466 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
3467 for rs6000_gen_cell_microcode.
3469 2010-02-04 Richard Guenther <rguenther@suse.de>
3471 PR rtl-optimization/42952
3472 * dse.c (const_or_frame_p): Remove MEM handling.
3474 2010-02-04 Nick Clifton <nickc@redhat.com>
3476 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
3477 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
3478 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
3479 (mn10300_asm_output_mi_thunk): New function.
3480 (mn10300_can_output_mu_thunk): New function.
3481 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
3482 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
3483 (FUNCTION_ARG): Delete incorrect comment.
3485 2010-02-03 Jason Merrill <jason@redhat.com>
3488 * fold-const.c (operand_equal_p): Handle erroneous types.
3490 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3492 * config/h8300/h8300.md (can_delay): Fix attibute condition.