1 2010-04-09 Martin Jambor <mjambor@suse.cz>
3 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4 lattices are addresses of CONST_DECLs with the same initial value.
5 (ipcp_print_all_lattices): Print values of CONST_DECLs.
6 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
8 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
9 Bernd Schmidt <bernd.schmidt@codesourcery.com>
11 * loop-invariant.c (replace_uses): New static function.
12 (move_invariant_reg): Use it to ensure we can replace the uses.
14 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
16 * config/picochip/picochip.c (picochip_rtx_costs): Use correct function
18 (picochip_override_options): Enable section anchors only above -O1.
19 (picochip_reorg): Fixed a couple of build warnings.
21 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
23 * configure.ac (plugin -rdynamic test): Log result.
24 * configure: Regenerate.
25 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
26 (RDYNAMIC_SPEC): Define.
27 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
29 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
31 * configure.ac: Determine Sun ld version numbers.
32 (comdat_group): Restrict GNU ld version checks to gld.
33 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
34 (enable_comdat): Support --enable-comdat.
35 * configure: Regenerate.
36 * doc/install.texi (Configuration): Document --enable-comdat.
38 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
40 * config/sparc/sol2-gld.h: Remove SPARC reference.
42 * config/sol2-gld.h: ... here.
43 * config.gcc (sparc*-*-solaris2*): Reflect this.
44 (i[34567]86-*-solaris2*): Use it.
46 2010-04-09 Steve Ellcey <sje@cup.hp.com>
48 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
50 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
52 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
55 * diagnostic.c (diagnostic_initialize): Initialize
56 some_warnings_are_errors.
57 (diagnostic_finish): New.
58 (diagnostic_action_after_output): Call it before exiting.
59 (diagnostic_report_diagnostic): Do not print message here. Set
60 some_warnings_are_errors.
61 * diagnostic.h (diagnostic_context): Delete
62 issue_warnings_are_errors_message. Add some_warnings_are_errors.
63 (diagnostic_finish): Declare.
64 * toplev.c (toplev_main): Call it before exit.
66 2010-04-09 Jason Merrill <jason@redhat.com>
69 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
73 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
74 based on a warning flag.
76 2010-04-09 Richard Guenther <rguenther@suse.de>
78 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
80 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
83 * varasm.c (default_assemble_visibility): Wrap vars that are
84 set, but unused, by targets without GAS.
85 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
86 Remove set, but unused, vars.
87 (rs6000_legitimize_tls_address): Likewise.
88 (altivec_expand_dst_builtin): Likewise.
89 * config/darwin.c (machopic_classify_symbol): Likewise.
90 (machopic_indirection_name): Likewise.
92 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
94 * config/i386/i386.md (DWI): New mode iterator.
95 (S): New mode attribute.
96 (shift_operand): Ditto.
97 (shift_immediate_operand): Ditto.
98 (ashl_input_operand): Ditto.
99 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
100 using SDWIM mode iterator.
101 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
102 pattern from *ashl{di,ti}3_1 and corresponding splitters using
104 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
105 from corresponding peephole2 patterns.
106 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
107 and x86_64_shift_adj_1 using SWI48 mode iterator.
108 (x86_shift<mode>_adj_2): Ditto.
109 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
110 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
111 using SWI48 mode iterator.
112 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
113 *ashldi3_cmp_rex64 using SWI mode iterator.
114 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
115 *ashldi3_cconly_rex64 using SWI mode iterator.
116 * config/i386/i386.c (ix86_split_ashl): Update for renamed
117 x86_shift<mode>_adj_{1,2}.
118 (ix86_split_ashr): Ditto.
119 (ix86_split_lshr): Ditto.
121 2010-04-09 Richard Guenther <rguenther@suse.de>
123 * target.h (builtin_conversion): Pass in input and output types.
124 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
125 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
126 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
127 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
129 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
131 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
133 2010-04-09 Richard Guenther <rguenther@suse.de>
136 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
138 2010-04-09 Richard Guenther <rguenther@suse.de>
140 * tree-vectorizer.h (struct _stmt_vec_info): Document
141 that vectype is the type of the LHS.
142 (supportable_widening_operation, supportable_narrowing_operation):
143 Get both input and output vector types as arguments.
144 (vect_is_simple_use_1): Declare.
145 (get_same_sized_vectype): Likewise.
146 * tree-vect-loop.c (vect_determine_vectorization_factor):
147 Set STMT_VINFO_VECTYPE to the vector type of the def.
148 (vectorizable_reduction): Adjust.
149 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
150 Adjust. Specify the output vector type.
151 (vect_pattern_recog_1): Adjust.
152 * tree-vect-stmts.c (get_same_sized_vectype): New function.
153 (vectorizable_call): Adjust.
154 (vectorizable_conversion): Likewise.
155 (vectorizable_operation): Likewise.
156 (vectorizable_type_demotion): Likewise.
157 (vectorizable_type_promotion): Likewise.
158 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
160 (vect_is_simple_use_1): New function.
161 (supportable_widening_operation): Get both input and output
163 (supportable_narrowing_operation): Likewise.
164 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
166 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
168 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
169 __thiscall and _thiscall as predefined macros.
170 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
171 thiscall attribute handling.
172 (ix86_comp_type_attributes): Likewise.
173 (ix86_function_regparm): Likewise.
174 (ix86_return_pops_args): Likewise.
175 (init_cumulative_args): Likewise.
176 (find_drap_reg): Likewise.
177 (ix86_static_chain): Likewise.
178 (x86_this_parameter): Likewise.
179 (x86_output_mi_thunk): Likewise.
180 (ix86_attribute_table): Add description for thiscall attribute.
181 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
182 * doc/extend.texi: Add documentation for thiscall.
184 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
187 * c.opt (Wint-to-pointer-cast): Available in C++.
188 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
190 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
192 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
193 * calls.c (expand_call): Pass the function type to aggregate_value_p.
194 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
195 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
196 function type instead. Reorder and simplify checks.
198 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
200 2010-04-08 Jing Yu <jingyu@google.com>
201 Zdenek Dvorak <ook@ucw.cz>
203 PR tree-optimization/42720
204 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
205 loop unswitch conditions here from ...
206 (tree_unswitch_single_loop): ... here.
208 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
210 * tree-if-conv.c: Fix comments and simplify logic.
212 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
214 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
215 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
216 (main_tree_if_conversion): Update call to tree_if_conversion.
218 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
221 * doc/invoke.texi (-b,-V): Delete.
222 * doc/tm.texi: Do not mention -b.
223 * gcc.c (display_help): Delete -b and -V.
224 (process_command): Delete -b and -V.
225 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
227 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
228 Wolfgang Gellerich <gellerich@de.ibm.com>
230 Implement target hook for loop unrolling
231 * target.h (loop_unroll_adjust): Add a new target hook function.
232 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
233 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
234 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
235 (s390_loop_unroll_adjust): Implement the new target hook for s390.
236 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
238 (decide_unroll_stupid): Likewise.
240 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
243 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
245 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
247 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
248 (Specific, *-*-solaris2*): Likewise.
249 Don't prefer Sun as over GNU as.
251 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
253 * config/s390/s390.c (override_options): Adjust the z10
254 defaults for max-unroll-times, max-completely-peeled-insns
255 and max-completely-peel-times.
257 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
259 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
260 instructions for z10.
261 (s390_expand_setmem): Likewise.
262 (s390_expand_cmpmem): Likewise.
264 2010-04-08 Richard Guenther <rguenther@suse.de>
266 PR tree-optimization/43679
267 * tree-ssa-pre.c (eliminate): Only propagate copies.
269 2010-04-08 Jakub Jelinek <jakub@redhat.com>
272 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
273 set but not used variable warning.
275 2010-04-08 Wei Guozhi <carrot@google.com>
278 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
279 (arm_size_rtx_costs): Call the new function when optimized for size.
281 2010-04-08 Jakub Jelinek <jakub@redhat.com>
284 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
285 op0 is not a MEM, just return NULL instead of assertion
287 (discover_nonconstant_array_refs): Don't walk debug stmts.
289 2010-04-08 Doug Kwan <dougkwan@google.com>
291 * configure.ac: Recognize gold and do not use its version number
293 * configure: Regenerate.
295 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
298 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
299 (negate_value): Move code to push elements to broken_up_substracts ...
300 (eliminate_plus_minus_pair): ... here. Push operands that have no
301 negative pair to plus_negates.
302 (repropagate_negates, init_reassoc, fini_reassoc): Update.
304 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
306 * doc/install.texi (Configuration): Move description of
307 --enable-lto, --with-libelf*, --enable-gold from Java section to
310 * doc/generic.texi (Working with declarations)
311 (Function Properties, C and C++ Trees): Fix typos.
312 * doc/sourcebuild.texi (Top Level): Likewise.
314 2010-04-07 Jakub Jelinek <jakub@redhat.com>
317 * tree.h (DECL_READ_P): Define.
318 (struct tree_decl_common): Add decl_read_flag.
319 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
320 a set but not used warning.
321 (merge_decls): Merge DECL_READ_P flag.
322 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
323 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
324 * c-common.c (handle_used_attribute, handle_unused_attribute):
326 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
328 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
330 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
331 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
332 c_parser_binary_expression, c_parser_cast_expression,
333 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
334 Call default_function_array_read_conversion instead of
335 default_function_array_conversion where needed.
336 (c_parser_unary_expression, c_parser_conditional_expression,
337 c_parser_postfix_expression_after_primary, c_parser_initelt):
338 Likewise. Call mark_exp_read where needed.
339 (c_parser_statement_after_labels, c_parser_asm_operands,
340 c_parser_typeof_specifier, c_parser_sizeof_expression,
341 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
343 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
345 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
346 (warn_unused_but_set_parameter): Default to warn_unused
348 * doc/invoke.texi: Document -Wunused-but-set-variable and
349 -Wunused-but-set-parameter.
351 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
353 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
354 when operandN variables aren't used in the body of the expander
356 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
357 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
358 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
359 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
360 FOR_EACH_IMM_USE_ON_STMT): Likewise.
361 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
362 * tree.c (PROCESS_ARG): Likewise.
364 2010-04-07 Simon Baldwin <simonb@google.com>
366 * diagnostic.h (diagnostic_override_option_index): New macro to
367 set a diagnostic's option_index.
368 * c-tree.h (c_cpp_error): Add warning reason argument.
369 * opts.c (_warning_as_error_callback): New.
370 (register_warning_as_error_callback): Store callback for
371 warnings enabled via enable_warning_as_error.
372 (enable_warning_as_error): Call callback, minor code tidy.
373 * opts.h (register_warning_as_error_callback): Declare.
374 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
375 response to -Werror=.
376 (c_common_init_options): Register warning_as_error_callback in opts.c.
377 * common.opt: Add -Wno-cpp option.
378 * c-common.c (struct reason_option_codes_t): Map cpp warning
379 reason codes to gcc option indexes.
380 * (c_option_controlling_cpp_error): New function, lookup the gcc
381 option index for a cpp warning reason code.
382 * (c_cpp_error): Add warning reason argument, call
383 c_option_controlling_cpp_error for diagnostic_override_option_index.
384 * doc/invoke.texi: Document -Wno-cpp.
386 2010-04-07 Richard Guenther <rguenther@suse.de>
388 * ipa-reference.c (mark_load): Use get_base_address.
389 (mark_store): Likewise.
391 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
392 inserting GIMPLE_NOPs into the IL.
393 * tree-ssa-structalias.c (get_constraint_for_component_ref):
394 Explicitly strip handled components and indirect references.
396 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
397 folding address expressions.
398 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
399 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
400 operand_equal_p to compare decls.
401 (ptr_deref_may_alias_decl_p): Likewise.
402 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
403 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
404 Handle reversed comparison ops.
405 * tree-sra.c (asm_visit_addr): Use get_base_address.
406 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
407 * ipa-reference.c (mark_address): Use get_base_address.
409 2010-04-07 Richard Guenther <rguenther@suse.de>
411 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
412 Propagate constants everywhere.
414 2010-04-07 Jakub Jelinek <jakub@redhat.com>
417 * tree.c (MAX_INT_CACHED_PREC): Define.
418 (nonstandard_integer_type_cache): New array.
419 (build_nonstandard_integer_type): Cache results for precision
420 <= MAX_INT_CACHED_PREC.
422 2010-04-07 Richard Guenther <rguenther@suse.de>
424 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
425 -fargument-noalias-global, -fargument-noalias-anything): Remove.
426 * common.opt: Likewise.
427 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
428 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
429 (nonoverlapping_memrefs_p): Likewise.
430 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
431 * opts.c (common_handle_option): Handle OPT_fargument_alias,
432 OPT_fargument_noalias, OPT_fargument_noalias_anything and
433 OPT_fargument_noalias_global for backward compatibility.
435 2010-04-07 Richard Guenther <rguenther@suse.de>
437 PR tree-optimization/43270
438 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
439 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
440 * tree-ssa-pre.c (phi_translate_1): Adjust.
441 (fully_constant_expression): Split out vn_reference handling to ...
442 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
443 Fold reads from constant strings.
444 (vn_reference_lookup): Handle fully constant references.
445 (vn_reference_lookup_pieces): Likewise.
446 * Makefile.in (expmed.o-warn): Add -Wno-error.
448 2010-04-07 Martin Jambor <mjambor@suse.cz>
450 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
452 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
455 * gcc.c: Add -static-libstdc++ to list of recognized options.
457 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
459 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
461 2010-04-07 Richard Guenther <rguenther@suse.de>
464 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
465 bases build simple mem attributes to retain points-to information.
467 2010-04-07 Richard Guenther <rguenther@suse.de>
470 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
471 preserve points-to related information.
473 2010-04-07 Richard Guenther <rguenther@suse.de>
476 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
477 discard plain indirect references.
478 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
479 * tree.c (tree_nop_conversion): Likewise.
481 2010-04-07 Dodji Seketeli <dodji@redhat.com>
484 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
486 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
488 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
489 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
491 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
493 * tree-if-conv.c: Fix indentation and comments.
495 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
497 * tree-if-conv.c: Sort static functions in topological order.
499 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
501 * tree-if-conv.c: Fix indentation and comments.
503 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
506 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
507 lang_hooks.types.type_for_size instead of
508 build_nonstandard_integer_type.
509 When converting an unsigned type to signed, double its precision.
510 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
511 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
512 (graphite_create_new_loop_guard): When ub + 1 wraps around,
515 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
518 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
519 POINTER_PLUS_EXPR for pointer types.
521 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
524 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
525 * graphite-clast-to-gimple.c: Include langhooks.h.
526 (max_signed_precision_type): New.
527 (max_precision_type): Takes two types as arguments.
528 (precision_for_value): New.
529 (precision_for_interval): New.
530 (gcc_type_for_interval): New.
531 (gcc_type_for_value): New.
532 (gcc_type_for_clast_term): New.
533 (gcc_type_for_clast_red): New.
534 (gcc_type_for_clast_bin): New.
535 (gcc_type_for_clast_expr): Split up into several functions.
536 (gcc_type_for_clast_eq): Rewritten.
537 (compute_bounds_for_level): New.
538 (compute_type_for_level_1): New.
539 (compute_type_for_level): New.
540 (gcc_type_for_cloog_iv): Removed.
541 (gcc_type_for_iv_of_clast_loop): Rewritten.
542 (graphite_create_new_loop): Compute the lower and upper bound types
543 with gcc_type_for_clast_expr.
544 (graphite_create_new_loop_guard): Same.
545 (find_cloog_iv_in_expr): Removed.
546 (compute_cloog_iv_types_1): Removed.
547 (compute_cloog_iv_types): Removed.
548 (gloog): Do not call compute_cloog_iv_types.
549 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
551 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
552 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
553 (GBB_CLOOG_IV_TYPES): Removed.
555 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
557 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
558 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
559 (detect_commutative_reduction): Same.
561 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
563 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
564 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
566 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
567 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
568 (rewrite_commutative_reductions_out_of_ssa): Same.
569 * passes.c (execute_function_todo): Call verify_ssa for every pass
570 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
571 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
572 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
573 with an extra argument.
574 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
575 verify_ssa only when the extra argument is true.
576 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
577 with an extra argument.
578 (tree_transform_and_unroll_loop): Same.
580 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
582 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
583 for all the passes of the LNO having LOOP_CLOSED_SSA.
584 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
585 * tree-loop-distribution.c (pass_loop_distribution): Same.
586 * tree-pass.h (TODO_verify_loops): Removed.
587 * tree-ssa-loop.c (pass_tree_loop_init): Same.
589 (pass_tree_unswitch): Same.
590 (pass_predcom): Same.
591 (pass_vectorize): Same.
592 (pass_linear_transform): Same.
593 (pass_graphite_transforms): Same.
594 (pass_iv_canon): Same.
595 (pass_complete_unroll): Same.
596 (pass_complete_unrolli): Same.
597 (pass_parallelize_loops): Same.
598 (pass_loop_prefetch): Same.
599 (pass_iv_optimize): Same.
601 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
604 * passes.c (init_optimization_passes): Move pass_lim before
605 pass_copy_prop and pass_dce_loop.
607 2010-04-06 Jakub Jelinek <jakub@redhat.com>
610 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
611 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
612 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
613 MULTI_* defines for 4 argument vpermil2p* builtins.
615 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
617 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
618 * config/i386/i386.c (x86_maybe_negate_const_int): New.
619 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
620 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
621 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
622 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
623 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
624 Use x86_maybe_negate_const_int to output insn mnemonic.
625 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
626 check from instruction predicate. Update comments.
627 * config/i386/sync.md (sync_add<mode>): Use
628 x86_maybe_negate_const_int to output insn mnemonic.
630 2010-04-06 Jan Hubicka <jh@suse.cz>
632 PR tree-optimization/42906
633 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
634 IGNORE_SELF argument. Set visited_control_parents for fully
636 (find_obviously_necessary_stmts): Update call of
637 mark_control_dependent_edges_necessary.
638 (propagate_necessity): Likewise. Handle PHI edges more curefully.
640 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
642 * config/i386/i386.md: Remove comment about 'e' and 'E'
645 2010-04-06 Richard Guenther <rguenther@suse.de>
647 PR tree-optimization/43627
648 * tree-vrp.c (extract_range_from_unary_expr): Widenings
649 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
652 2010-04-06 Jakub Jelinek <jakub@redhat.com>
654 * BASE-VER: Change to 4.6.0.
657 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
660 2010-04-06 Richard Guenther <rguenther@suse.de>
663 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
665 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
667 * doc/invoke.texi (Optimize Options): Document that LTO
668 won't remove object access purely due to incompatible
671 2010-04-04 Matthias Klose <doko@ubuntu.com>
673 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
676 2010-04-03 Richard Guenther <rguenther@suse.de>
679 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
680 require a non-NULL MEM_OFFSET.
682 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
684 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
685 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
686 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
687 config/alpha/predicates.md, config/arm/arm.md,
688 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
689 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
690 config/darwin9.h, config/darwin.c, config/darwin.h,
691 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
692 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
693 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
694 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
695 config/mips/mips.md, config/mn10300/mn10300.c,
696 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
697 config/rs6000/aix.h, config/rs6000/dfp.md,
698 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
699 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
700 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
701 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
702 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
703 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
704 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
705 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
706 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
707 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
708 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
709 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
710 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
711 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
712 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
713 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
714 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
715 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
716 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
717 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
718 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
719 opt-functions.awk, opth-gen.awk, params.def, passes.c,
720 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
721 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
722 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
723 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
724 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
725 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
726 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
727 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
728 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
729 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
730 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
731 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
732 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
733 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
735 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
738 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
739 * aclocal.m4: Regenerate.
741 2010-04-02 Richard Guenther <rguenther@suse.de>
743 PR tree-optimization/43629
744 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
745 if we have seen a constant value.
747 2010-04-02 Joseph Myers <joseph@codesourcery.com>
749 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
751 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
754 * arm.c (legitimize_tls_address): Adjust call to
755 gen_tls_load_dot_plus_four.
756 (arm_note_pic_base): New function.
757 (arm_cannot_copy_insn_p): Use it.
758 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
761 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
766 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
768 * Makefile.in ($(out_object_file)): Depend on
769 gt-$(basename $(notdir $(out_file))).h.
771 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
773 * config.gcc (lm32-*-rtems*): Add t-lm32.
775 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
777 * config.gcc: Add lm32-*-rtems*.
778 * config/lm32/rtems.h: New file.
780 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
783 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
785 2010-04-01 Jakub Jelinek <jakub@redhat.com>
787 * dwarf2out.c (output_compilation_unit_header): For
788 -gdwarf-4 use version 4 instead of version 3.
789 (output_line_info): For version 4 and above emit additional
790 maximum ops per insn header field.
791 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
793 * dwarf2out.c (is_c_family, is_java): Remove.
794 (lower_bound_default): New function.
795 (add_bound_info, gen_descr_array_type_die): Use it.
797 2010-04-01 Dodji Seketeli <dodji@redhat.com>
800 * dwarf2out.c (gen_variable_die): Allow debug info for variable
801 re-declaration when it happens in a function.
803 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
805 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
806 (cgraph_remove_function_insertion_hook): Same.
807 (cgraph_call_function_insertion_hooks): Same.
809 2010-04-01 Richard Guenther <rguenther@suse.de>
812 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
813 and TREE_THIS_VOLATILE.
814 (copy_ref_info): Likewise.
815 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
816 * tree.c (build6_stat): Ignore side-effects of all but arg5
817 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
820 2010-04-01 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/43607
823 * ipa-type-escape.c (check_call): Do not access non-existing
826 2010-04-01 Richard Guenther <rguenther@suse.de>
830 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
831 Jack Howarth <howarth@bromo.med.uc.edu>
833 * tree-profile.c (tree_init_ic_make_global_vars): Make static
836 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
838 * doc/install.texi (Prerequisites): Document libelf usability on
839 IRIX 5/6 and Solaris 2.
840 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
841 Update GNU as, GNU ld requirements.
842 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
843 Document Sun Studio compiler download.
844 Update and simplify as, ld recommendations.
845 (Specific, *-*-solaris2.7): Note obsoletion, removal.
847 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
849 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
850 with_tune_32 to pentium4.
852 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
854 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
856 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
858 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
861 Document GNU as requirement.
862 Update configure requirements.
863 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
864 Recomment IRIX 6.5.18+.
865 Document IDF/IDL requirement.
866 Document GNU as requirement.
867 Document GNU ld bootstrap failure.
868 Remove freeware.sgi.com reference.
870 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
872 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
873 UNIX V4.0, V5.0 obsoletion, removal.
874 Remove --with-gc=simple reference.
875 Update VM requirements during bootstrap.
876 Remove -oldas bootstrap description.
877 Update binutils reference.
878 Remove comparison failure note.
880 2010-03-31 Richard Guenther <rguenther@suse.de>
881 Zdenek Dvorak <ook@ucw.cz>
882 Sebastian Pop <sebastian.pop@amd.com>
885 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
886 with multiple arguments.
887 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
889 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
891 * graphite-dependences.c (print_pddr): Call print_pdr with an
893 * graphite-poly.c (debug_pdr): Add an extra argument for the
896 (print_pbb_domain): Same.
898 (print_scop_context): Same.
901 (debug_pbb_domain): Same.
905 (debug_scop_context): Same.
908 (print_scop_params): Same.
909 (debug_scop_params): Same.
910 (print_iteration_domain): Same.
911 (print_iteration_domains): Same.
912 (debug_iteration_domain): Same.
913 (debug_iteration_domains): Same.
914 (print_scattering_function): Same.
915 (print_scattering_functions): Same.
916 (debug_scattering_function): Same.
917 (debug_scattering_functions): Same.
918 * graphite-poly.h (debug_pdr): Update declaration.
920 (print_pbb_domain): Same.
922 (print_scop_context): Same.
925 (debug_pbb_domain): Same.
929 (debug_scop_context): Same.
932 (print_scop_params): Same.
933 (debug_scop_params): Same.
934 (print_iteration_domain): Same.
935 (print_iteration_domains): Same.
936 (debug_iteration_domain): Same.
937 (debug_iteration_domains): Same.
938 (print_scattering_function): Same.
939 (print_scattering_functions): Same.
940 (debug_scattering_function): Same.
941 (debug_scattering_functions): Same.
943 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
945 * graphite-poly.c (print_scattering_function_1): New.
946 (print_scattering_function): Call it.
947 (print_scop_params): Remove spaces at the end of lines.
950 * graphite-poly.h (print_cloog): Declared.
951 (debug_cloog): Declared.
953 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
955 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
957 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
958 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
959 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
960 to switch between adding the IV bump in loop->latch or in loop->header.
962 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
964 * graphite-poly.c (print_scattering_function): Pretty print following
967 (print_pbb_domain): Same.
968 (dump_gbb_cases): Same.
969 (dump_gbb_conditions): Same.
972 (print_scop_params): Same.
973 (print_scop_context): Same.
975 (print_pbb_body): New.
976 (lst_indent_to): New.
977 (print_lst): Start new lines with a #.
978 * graphite-poly.h (pbb_bb): New.
979 (pbb_index): Use pbb_bb.
980 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
982 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
984 2010-03-31 Jakub Jelinek <jakub@redhat.com>
986 * dwarf2out.c (size_of_die): For -gdwarf-4 use
987 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
988 and 0 instead of 1 for dw_val_class_flag.
989 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
990 dw_val_class_range_list, dw_val_class_loc_list,
991 dw_val_class_lineptr and dw_val_class_macptr, use
992 DW_FORM_flag_present for dw_val_class_flag and
993 DW_FORM_exprloc for dw_val_class_loc.
994 (output_die): For -gdwarf-4 print dw_val_class_loc
995 size as uleb128 instead of 1 or 2 bytes and don't print
996 anything for dw_val_class_flag.
998 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
999 instead of cselib_lookup following by tweaking locs->setting_insn.
1002 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1003 even before returning from label, setjmp call or volatile asm
1006 2010-03-31 Richard Guenther <rguenther@suse.de>
1009 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1010 temporary data on stack.
1012 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1014 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1015 (PUSHSECTION_ASM_OP): Remove.
1016 (POPSECTION_ASM_OP): Remove.
1017 (PUSHSECTION_FORMAT): Remove.
1018 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1019 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1020 * config/sol2.c (solaris_output_init_fini): Use it.
1022 2010-03-31 Jie Zhang <jie@codesourcery.com>
1025 * opt-functions.awk (var_type_struct): Use signed char type
1026 for simple variables.
1028 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1030 * config/sol2.c: Include output.h.
1031 (solaris_assemble_visibility): New function.
1032 * config/t-sol2 (sol2.o): Add output.h dependency.
1033 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1034 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1037 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1040 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1041 V2SImode or XFmode on PRE_DEC.
1044 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1047 2010-03-31 Jie Zhang <jie@codesourcery.com>
1050 * reload.h (caller_save_initialized_p): Declare.
1051 * toplev.c (backend_init_target): Don't call
1052 init_caller_save but set caller_save_initialized_p to false.
1053 * caller-save.c (caller_save_initialized_p): Define.
1054 (init_caller_save): Check caller_save_initialized_p.
1055 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1057 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1060 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1061 and soft-fp/t-softfp to tmake_file.
1062 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1063 (LIBGCC2_TF_CEXT): Define.
1066 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1069 * cselib.c (n_useless_values): Document handling of debug locs.
1070 (n_useless_debug_values, n_debug_values): New variables.
1071 (new_elt_loc_list): Don't add to debug values, keep count.
1072 (promote_debug_loc): New.
1073 (cselib_reset_table): Zero new variables.
1074 (entry_and_rtx_equal_p): Promote debug locs.
1075 (discard_useless_locs): Increment n_useless_debug_values for
1077 (remove_useless_values): Adjust n_useless_values and n_debug_values
1078 with n_useless_debug_values.
1079 (add_mem_for_addr): Promote debug locs.
1080 (cselib_lookup_mem): Likewise.
1081 (cselib_lookup_addr): Renamed to...
1082 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1083 (cselib_log_lookup): ... this. Turn into...
1084 (cselib_lookup_addr): ... new wrapper.
1085 (cselib_lookup_from_insn): New.
1086 (cselib_invalidate_regno): Increment n_useless_debug_values for
1088 (cselib_invalidate_mem): Likewise.
1089 (cselib_process_insn): Take n_deleted and n_debug_values into
1090 account to guard remove_useless_value call.
1091 (cselib_finish): Zero n_useless_debug_values.
1092 * cselib.h (cselib_lookup_from_insn): Declare.
1093 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1094 (sched_analyze_2): Likewise.
1096 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1098 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1100 (adjust_mems): Replace narrowing SUBREG of expression containing
1101 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1102 with operations in the narrower mode.
1105 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1106 regs_invalidated_by_call instead all call_used_reg_set registers.
1108 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1111 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1112 pointer comparisons with types_compatible_p.
1113 * tree-vect-stmts.c (vectorizable_call): Same.
1114 (vectorizable_condition): Same.
1116 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1118 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1119 stack check if the mask would be zero.
1121 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1122 Jack Howarth <howarth@bromo.med.uc.edu>
1124 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1127 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1130 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1132 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1133 Include ___unordxf2 and ___unordtf2.
1134 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1137 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1139 * config/lm32/t-lm32: New file.
1140 * config.gcc: Use the above file when targetting lm32.
1142 2010-03-28 Duncan Sands <baldrick@free.fr>
1144 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1146 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1149 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1150 Improve vectorization cost model diagnostic.
1152 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1155 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1156 compute_data_dependences_for_loop returns false, early exit
1157 and output an extra diagnostic for the failed data reference
1160 2010-03-29 Richard Guenther <rguenther@suse.de>
1162 PR tree-optimization/43560
1163 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1164 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1166 2010-03-29 Jie Zhang <jie@codesourcery.com>
1169 * toplev.c (process_options): Set optimization_default_node
1170 and optimization_current_node.
1171 * opts.c (decode_options): Don't set optimization_default_node
1172 and optimization_current_node.
1174 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1176 * config/rtems.h: Abandon -qrtems_debug.
1178 2010-03-28 Jan Hubicka <jh@suse.cz>
1180 PR tree-optimization/43505
1181 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1182 map should not be copied.
1184 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1187 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1188 cdtors, set DECL_PRESERVE_P.
1189 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1192 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1194 PR tree-optimization/43528
1195 * stor-layout.c (place_field): Check that constant fits into
1196 unsigned HWI when skipping calculation of MS bitfield layout.
1198 2010-03-27 Jan Hubicka <jh@suse.cz>
1201 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1202 notice_global_symbol work.
1204 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1206 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1207 instead of dwarf2out_decl.
1208 (struct var_loc_node): Remove section_label field.
1209 (dwarf2out_function_decl): New function.
1210 (dwarf2out_var_location): Don't set section_label field.
1211 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1213 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1215 PR tree-optimization/43544
1216 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1217 First argument for builtin vectorized function hook is now a
1218 tree to be able to distinguish between machine specific and
1220 * targhooks.c (default_builtin_vectorized_function): Ditto.
1221 * targhooks.h (default_builtin_vectorized_function): Ditto.
1222 * target.h (struct gcc_target): Ditto.
1223 * tree-vect-stmts.c (vectorizable_function): Ditto.
1224 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
1225 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1228 2010-03-26 Joseph Myers <joseph@codesourcery.com>
1231 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
1232 nested binding iff it is a FUNCTION_DECL.
1233 (store_parm_decls_newstyle): Pass nested=true to bind for
1234 FUNCTION_DECLs amongst parameters.
1236 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1238 * var-tracking.c (vt_expand_loc_callback): Don't run
1239 cselib_expand_value_rtx_cb in dummy mode if
1240 cselib_dummy_expand_value_rtx_cb returned false.
1242 * var-tracking.c (emit_note_insn_var_location): For one part
1243 notes with offset 0, don't add EXPR_LIST around the location.
1244 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
1245 add_location_or_const_value_attribute): Adjust for that change.
1248 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
1249 into first operand and location into second.
1250 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
1251 dw_cfi_oprnd_loc for DW_CFA_expression.
1252 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
1253 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
1254 assume first argument is regnum and second argument is location.
1256 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1259 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1260 of scratch register to DImode. Split to DImode comparison operator.
1261 Use SImode subreg of scratch register in the multiplication.
1262 (*cmp_sadd_sidi): Ditto.
1263 (*cmp_ssub_si): Ditto.
1264 (*cmp_ssub_sidi): Ditto.
1266 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1269 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
1270 Remove invalid assert and wrong comment.
1272 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1275 * flags.h (final_insns_dump_p): New extern.
1276 * final.c (final_insns_dump_p): New variable.
1277 (rest_of_clean_state): Set it before -fdump-final-insns=
1278 dumping, clear afterwards.
1279 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
1280 MEM_ALIAS_SET on MEMs.
1282 2010-03-26 David S. Miller <davem@davemloft.net>
1284 * configure.ac: Fix sparc GOTDATA_OP bug check.
1285 * configure: Rebuild.
1287 2010-03-26 Alan Modra <amodra@gmail.com>
1289 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
1291 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1293 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
1294 TLS_SECTION_ASM_FLAG.
1296 2010-03-25 Jakub Jelinek <jakub@redhat.com>
1299 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
1300 Clear first_function_block_is_cold.
1303 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
1304 argument if the argument is truth_value_p.
1306 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1308 * config/rs6000/constraints.md: Update copyright year for my changes.
1311 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
1312 used in reg+reg addressing, swap registers.
1314 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1317 * target.h (struct gcc_target): Add code_end hook.
1318 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
1320 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
1321 * toplev.c (compile_file): Call targetm.asm_out.code_end
1322 hook before unwind info/debug info output.
1323 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
1324 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
1325 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1326 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
1327 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1328 * config/i386/i386.c (ix86_file_end): Renamed to...
1329 (ix86_code_end): ... this. Make static. Don't call
1330 file_end_indicate_exec_stack. Emit unwind info using
1331 final_start_function/final_end_function.
1332 (darwin_x86_file_end): Remove.
1333 (TARGET_ASM_CODE_END): Define.
1334 * config/i386/i386.h (TARGET_ASM_FILE_END,
1335 NEED_INDICATE_EXEC_STACK): Don't define.
1336 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
1337 (TARGET_ASM_FILE_END): Define to darwin_file_end.
1338 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
1339 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
1342 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
1343 at the beginning and final_end_function at the end.
1344 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1346 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1348 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
1349 and Sun as TLS syntax.
1350 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
1351 * configure: Regenerate.
1352 * config.in: Regenerate.
1353 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
1354 (default_elf_asm_named_section): Use it.
1355 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
1356 (i386_output_dwarf_dtprel): Likewise.
1357 (output_addr_const_extra): Likewise.
1358 (output_pic_addr_const): Lowercase @GOTTPOFF.
1359 (output_addr_const_extra): Likewise.
1360 (output_pic_addr_const): Lowercase @GOTNTPOFF.
1361 (output_addr_const_extra): Likewise.
1362 (output_pic_addr_const): Lowercase @INDNTPOFF.
1363 (output_addr_const_extra): Likewise.
1364 (output_pic_addr_const): Lowercase @NTPOFF.
1365 (output_addr_const_extra): Likewise.
1366 (output_pic_addr_const): Lowercase @TPOFF.
1367 (output_addr_const_extra): Likewise.
1368 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
1369 (*tls_global_dynamic_64): Likewise.
1370 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
1371 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
1373 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
1374 (ASM_OUTPUT_TLS_COMMON): Use it.
1375 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
1378 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
1379 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
1380 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
1381 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1382 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1383 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
1385 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1387 * config/i386/i386.c (override_options): Don't accept
1388 -mtls-dialect=sun any longer.
1389 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
1390 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
1391 (*tls_local_dynamic_base_32_sun): Likewise.
1392 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1394 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1397 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1398 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
1401 * ira.c (adjust_cleared_regs): New function.
1402 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
1406 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
1408 * expr.c (expand_expr_real): Restore previous
1409 curr_insn_source_location and curr_insn_block after
1410 expand_expr_real_1 call.
1411 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
1412 instead of expand_expr_real_1.
1414 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
1416 PR rtl-optimization/43413
1417 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
1420 2010-03-22 James E. Wilson <wilson@codesourcery.com>
1423 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
1424 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
1426 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
1428 * config/i386/i386.c (ix86_target_string): Add -mfma.
1429 Fix a typo in comment.
1431 2010-03-22 Mike Stump <mikestump@comcast.net>
1434 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1435 Don't overly align based upon packed packed fields.
1437 2010-03-22 Jason Merrill <jason@redhat.com>
1439 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
1440 Use () rather than [], and move before the element type.
1442 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1444 * doc/configfiles.texi (Configuration Files): Removed
1445 fixinc/Makefile*, intl/Makefile.*.
1446 * doc/makefile.texi: Fixed markup. Abstract from version
1447 control system used.
1448 (Makefile): Removed obsolete gcc/java/parse.y example.
1449 * doc/sourcebuild.texi: Likewise.
1450 (Top Level): Added config, gnattools, libdecnumber, libgcc,
1451 libgomp, libssp. Removed fastjar.
1452 (Miscellaneous Docs): Clarify location.
1453 Added COPYING3, COPYING3.LIB.
1454 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
1456 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1459 * config/i386/i386.c (x86_function_profiler)
1460 [!NO_PROFILE_COUNTERS]: Fix typo.
1461 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
1464 2010-03-22 Janis Johnson <janis187@us.ibm.com>
1465 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1467 * doc/sourcebuild.texi (Test Directives): Split into six
1468 subsections, with most of the current text in new subsections
1469 Directives, Selectors, and Final Actions.
1470 (Directives): Split list of test directives into multiple
1472 (Selectors): Describe use and syntax of selectors.
1473 (Effective-Target Keywords): Describe all existing keywords.
1474 (Add Options): Describe features for dg-add-options.
1475 (Require Support): Describe variants of dg-require-support.
1476 (Final Actions): Describe commands to use in dg-final.
1478 2010-03-22 Michael Matz <matz@suse.de>
1481 * recog.c (validate_replace_rtx_group): Replace also in
1482 REG_EQUAL and REG_EQUIV notes.
1484 2010-03-22 Richard Guenther <rguenther@suse.de>
1486 PR tree-optimization/43390
1487 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
1488 sure vector extracts are type correct.
1490 2010-03-22 Richard Guenther <rguenther@suse.de>
1493 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
1494 x * sqrt (x) even when optimizing for size if the target
1495 has native support for sqrt.
1497 2010-03-22 Jakub Jelinek <jakub@redhat.com>
1499 * varasm.c (make_decl_rtl_for_debug): Also clear
1500 flag_mudflap for the duration of make_decl_rtl call.
1503 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
1504 locs from preserved VALUEs.
1506 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1509 * pa.md (movmemsi): Set align to one if zero.
1510 (movmemdi): Likewise.
1512 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
1515 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
1516 with their corresponding prologue pushes.
1518 2010-03-20 Andrew Pinski <pinskia@gmail.com>
1521 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
1522 at the begining or end.
1523 (spu_expand_epilogue): Likewise.
1525 2010-03-20 Richard Guenther <rguenther@suse.de>
1527 PR rtl-optimization/43438
1528 * combine.c (make_extraction): Properly zero-/sign-extend an
1529 extraction of the low part of a CONST_INT. Also handle
1532 2010-03-19 Mike Stump <mikestump@comcast.net>
1534 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
1535 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
1536 (override_options): Use SUBTARGET32_DEFAULT_CPU.
1538 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1541 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
1544 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
1546 PR rtl-optimization/42258
1547 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
1548 use that may match DEF.
1551 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
1552 the cost of loading the constant rather than assuming
1554 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
1555 outer code is AND, do the same tests as the andsi3 expander and
1556 return COSTS_N_INSNS (1) if and is cheap.
1558 * optabs.c (avoid_expensive_constant): Fix formatting.
1560 2010-03-19 Michael Matz <matz@suse.de>
1563 * attribs.c (decl_attributes): When rebuilding a function pointer
1564 type use the same qualifiers as the original pointer type.
1566 2010-03-19 Martin Jambor <mjambor@suse.cz>
1568 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
1569 and is_gimple_ip_invariant_address.
1571 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1574 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1576 * config/arm/arm.c (arm_override_options): Turn off
1577 flag_dwarf2_cfi_asm for AAPCS variants.
1579 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1582 * config/arm/arm.c (emit_multi_reg_push): Update comments.
1583 Use PRE_MODIFY instead of PRE_DEC.
1584 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
1585 (vfp_emit_fstmd): Likewise.
1587 2010-03-19 Michael Matz <matz@suse.de>
1590 * builtins.c (expand_builtin_interclass_mathfn,
1591 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
1594 2010-03-19 Richard Guenther <rguenther@suse.de>
1596 PR tree-optimization/43415
1597 * tree-ssa-pre.c (phi_translate): Split out worker to ...
1598 (phi_translate_1): ... this.
1599 (phi_translate): Move all caching here. Cache all NARY
1600 and REFERENCE translations.
1602 2010-03-19 David S. Miller <davem@davemloft.net>
1604 With help from Eric Botcazou.
1605 * config/sparc/sparc.c: Include dwarf2out.h.
1606 (emit_pic_helper): Delete.
1607 (pic_helper_symbol_name): Delete.
1608 (pic_helper_emitted_p): Delete.
1609 (pic_helper_needed): New.
1610 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
1611 (get_pc_thunk_name): New.
1612 (load_pic_register): Remove 'delay_pic_helper' arg. Use
1613 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
1614 Set pic_helper_needed to true. Don't call emit_pic_helper.
1615 (sparc_expand_prologue): Update load_pic_register call.
1616 (sparc_output_mi_thunk): Likewise.
1617 (sparc_file_end): Emit a hidden comdat symbol for the PIC
1618 thunk if possible. Output CFI information as needed.
1620 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1621 Jack Howarth <howarth@bromo.med.uc.edu>
1624 * config/i386/i386.h: Fix ABI on darwin x86-32.
1626 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
1628 * tree.h: Declare make_decl_rtl_for_debug.
1629 * varasm.c (make_decl_rtl_for_debug): New.
1630 * dwarf2out.c (rtl_for_decl_location): Call it.
1631 * cfgexpand.c (expand_debug_expr): Call it.
1633 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1636 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
1640 * var-tracking.c (vt_init_cfa_base): Do nothing if
1641 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
1643 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
1646 * var-tracking.c (canonicalize_vars_star): New.
1647 (dataflow_post_merge_adjust): Use it.
1649 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1652 * var-tracking.c (non_suitable_const): New function.
1653 (add_uses): For DEBUG_INSNs with constants, don't record any
1654 value, instead just the constant value itself.
1655 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
1656 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1657 (emit_notes_in_bb): Likewise.
1658 (emit_note_insn_var_location): For onepart variables if
1659 cur_loc is a VOIDmode constant, use DECL_MODE.
1661 2010-03-18 Martin Jambor <mjambor@suse.cz>
1664 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1665 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1666 all non-clones. Moved call redirection...
1667 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1668 (cgraph_materialize_all_clones): Dispose of all
1669 combined_args_to_skip bitmaps.
1670 (verify_cgraph_node): Do not check for edges pointing to wrong
1671 nodes in inline clones.
1672 * tree-inline.c (copy_bb): Call
1673 cgraph_redirect_edge_call_stmt_to_callee.
1674 * ipa.c (cgraph_remove_unreachable_nodes): Call
1675 cgraph_node_remove_callees even when there are used clones.
1677 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1679 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1681 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1684 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1687 2010-03-18 Michael Matz <matz@suse.de>
1690 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1691 into sqrt(x) if we need to preserve signed zeros.
1693 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1694 Eric Botcazou <ebotcazou@adacore.com>
1696 PR rtl-optimization/43360
1697 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1698 note if we don't know its invariant status.
1700 2010-03-18 Michael Matz <matz@suse.de>
1702 PR tree-optimization/43402
1703 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1704 PHI chains of ssa names registered for update.
1706 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1709 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1710 non-offsettable and pre_modify update addressing.
1711 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1712 and "2" alternatives "#".
1713 (*movdd_softfloat32): Make all alternatives "#";
1714 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1715 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1716 (*movdf_softfloat32): Make all alternatives "#";
1717 (movdi): Use the new DIFD mode iterator to create a common splitter
1718 for movdi, movdf and movdd patterns.
1720 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1722 * common.opt (dumpdir): Remove redundant tab.
1724 2010-03-17 Martin Jambor <mjambor@suse.cz>
1726 PR tree-optimization/43347
1727 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1728 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1730 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1732 PR rtl-optimization/42216
1733 * regrename.c (create_new_chain): New function, broken out from...
1734 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1735 appending a use to an empty chain.
1736 (build_def_use): Remove previous changes that convert OP_INOUT to
1737 OP_OUT operands; instead detect the case where an OP_INOUT operand
1738 uses a previously untracked register and create an empty chain for it.
1740 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1742 * doc/extend.texi (Function Attributes): Rewrite unfinished
1743 sentence in ms_abi documentation.
1745 2010-03-17 Alan Modra <amodra@gmail.com>
1747 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1748 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1749 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1750 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1752 2010-03-16 Richard Henderson <rth@redhat.com>
1755 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1756 (lower_try_finally): Save and restore eh_seq around the expansion
1759 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1761 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1762 statements before splitting block.
1764 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1766 * doc/sourcebuild.texi (Testsuites): Fix markup.
1767 Use pathnames relative to gcc/testsuite.
1768 (Test Directives): Move description of how timeout is determined.
1769 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1770 (C Tests): Correct gcc.misc-tests directory.
1771 Framework tests now live in gcc.test-framework.
1773 2010-03-16 Richard Guenther <rguenther@suse.de>
1776 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1777 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1779 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1780 Alexandre Oliva <aoliva@redhat.com>
1782 PR tree-optimization/42917
1783 * lambda-code.c (remove_iv): Skip debug statements.
1784 (lambda_loopnest_to_gcc_loopnest): Likewise.
1785 (not_interesting_stmt): Debug statements are not interesting.
1787 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1791 * cselib.c (cselib_preserve_constants,
1792 cfa_base_preserved_val): New static variables.
1793 (preserve_only_constants): New function.
1794 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1795 clear its REG_VALUES. If cselib_preserve_constants, don't
1796 empty the whole hash table, but preserve there VALUEs with constants,
1797 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1798 (cselib_preserve_cfa_base_value): New function.
1799 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1800 (cselib_init): Change argument to int bitfield. Set
1801 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1803 (cselib_finish): Clear cselib_preserve_constants and
1804 cfa_base_preserved_val.
1805 * cselib.h (enum cselib_record_what): New enum.
1806 (cselib_init): Change argument to int.
1807 (cselib_preserve_cfa_base_value): New prototype.
1808 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1809 * dse.c (dse_step1): Likewise.
1810 * cfgcleanup.c (thread_jump): Likewise.
1811 * sched-deps.c (sched_analyze): Likewise.
1812 * gcse.c (local_cprop_pass): Likewise.
1813 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1814 If FN is non-NULL, call the callback always and whenever it returns
1815 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1816 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1817 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1818 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1819 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1820 * var-tracking.c: Include recog.h.
1821 (bb_stack_adjust_offset): Remove.
1822 (vt_stack_adjustments): Don't call it, instead just gather the
1823 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1824 (adjust_stack_reference): Remove.
1825 (compute_cfa_pointer): New function.
1826 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1827 (struct adjust_mem_data): New type.
1828 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1830 (get_address_mode): New function.
1831 (replace_expr_with_values): Use it.
1832 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1833 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1834 (adjust_sets): Remove.
1835 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1836 Use get_address_mode.
1837 (get_adjusted_src): Remove.
1838 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1839 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1840 (add_with_sets): Don't call adjust_sets.
1841 (fp_setter, vt_init_cfa_base): New functions.
1842 (vt_initialize): Change return type to bool. Move most of pool etc.
1843 initialization to the beginning of the function from end. Pass
1844 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1845 If !frame_pointer_needed, call vt_stack_adjustment before mos
1846 vector is filled, call vt_init_cfa_base if argp/framep has been
1847 eliminated to sp. If frame_pointer_needed and argp/framep has
1848 been eliminated to hard frame pointer, set
1849 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1850 encountering fp setter in the prologue. For MO_ADJUST, call
1851 log_op_type before pusing the op into mos vector, not afterwards.
1852 Call adjust_insn before cselib_process_insn/add_with_sets,
1853 call cancel_changes (0) afterwards.
1854 (variable_tracking_main_1): Adjust for vt_initialize calling
1855 vt_stack_adjustments and returning whether it succeeded or not.
1857 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1859 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1862 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1864 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1866 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1867 drap_reg has not been set.
1869 2010-03-15 Michael Matz <matz@suse.de>
1872 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1873 use it to expand block copies.
1874 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1875 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1876 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1878 2010-03-15 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/43367
1881 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1884 2010-03-15 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/43317
1887 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1889 2010-03-15 Martin Jambor <mjambor@suse.cz>
1891 PR tree-optimization/43141
1892 * tree-sra.c (create_abstract_origin): New function.
1893 (modify_function): Call create_abstract_origin.
1895 2010-03-15 Chris Demetriou <cgd@google.com>
1897 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1900 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1903 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1904 call insert_out_of_ssa_copy for default definitions.
1906 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1908 * graphite-clast-to-gimple.c (my_long_long): Defined.
1909 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1910 * graphite-sese-to-poly.c (my_long_long): Defined.
1911 (scop_ivs_can_be_represented): Use it.
1913 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1915 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1916 graphite-max-bbs-per-function, and loop-block-tile-size.
1917 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1919 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1921 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1923 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1924 forward declaration.
1925 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1926 (add_upper_bounds_from_estimated_nit): New.
1927 (build_loop_iteration_domains): Use it.
1929 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1931 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1933 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1936 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1937 should be an INTEGER_CST. Also handle CASE_CONVERT.
1939 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1941 * graphite.c (graphite_initialize): To bound the number of bbs per
1942 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1943 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1944 * doc/invoke.texi: Document it.
1946 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1948 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1949 * graphite-sese-to-poly.h (build_poly_scop): Same.
1951 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1953 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1954 the number of parameters in the scop. Use as an upper bound
1955 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1956 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1957 * doc/invoke.texi: Document it.
1959 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1961 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1962 * doc/c-tree.texi: Remove.
1963 * doc/generic.texi: Merge c-tree.texi here.
1964 * doc/gccint.texi (Trees): Remove menu entry.
1965 (c-tree.texi): Remove @include.
1966 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1967 * doc/languages.texi (Reading RTL): Ditto.
1969 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1972 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1974 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1977 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1978 code added to work around reload clobbering CONST insns.
1980 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1982 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1983 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1984 (cselib_preserve_only_values): Remove retain argument, don't
1985 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1986 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1987 * var-tracking.c (micro_operation): Move insn field before union.
1988 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1989 (struct variable_tracking_info_def): Remove n_mos field, change
1990 mos into a vector of micro_operations.
1991 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1992 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1993 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1994 changing into a vector.
1995 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1996 come before all other uops generated by add_stores.
1997 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1999 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2000 a vector. Run just one pass over the bbs instead of separate counting
2001 and computation phase.
2002 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2005 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2006 into *nonlocalized_list vector.
2007 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2008 even if origin is non-NULL.
2009 (gen_variable_die): Likewise.
2010 (process_scope_var): Don't change origin.
2011 (gen_decl_die): Likewise.
2012 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2013 before adding new edges instead of after it, fix moving over
2016 2010-03-11 David S. Miller <davem@davemloft.net>
2018 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2020 * configure: Rebuild.
2022 2010-03-11 Martin Jambor <mjambor@suse.cz>
2024 PR tree-optimization/43257
2025 * tree.c (assign_assembler_name_if_neeeded): New function.
2026 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2028 * tree.h (assign_assembler_name_if_neeeded): Declare.
2029 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2030 the function if needed.
2032 2010-03-11 Chris Demetriou <cgd@google.com>
2034 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2035 include/stdint-gcc.h, and include/stdint.h world-readable.
2037 2010-03-11 Richard Guenther <rguenther@suse.de>
2039 PR tree-optimization/43255
2040 * tree-vrp.c (process_assert_insertions_for): Do not insert
2041 asserts for trivial conditions.
2043 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2045 PR tree-optimization/43280
2046 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2047 generation. Move calculation of size out of the if branch.
2048 (find_bswap): Modify compare number generation.
2050 2010-03-11 Richard Guenther <rguenther@suse.de>
2053 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2054 (input_gimple_stmt): Fixup handled component types during
2055 operand read. Also fix up decls in ADDR_EXPRs.
2057 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2059 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2060 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2062 2010-03-10 Jan Hubicka <jh@suse.cz>
2065 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2066 * varasm.c (get_variable_section): Don't do that here...
2067 (make_decl_rtl): ... and here.
2068 (do_assemble_alias): Produce decl RTL.
2069 (assemble_alias): Likewise.
2071 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2074 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2075 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2077 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2078 (based_loc_descr): Only express drap or vdrap regno based expressions
2079 using DW_OP_fbreg when not optimizing.
2080 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2081 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2082 REG_CFA_SET_VDRAP note.
2084 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2086 PR tree-optimization/43236
2087 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2088 error in calculation of base address in reverse iteration case.
2089 (generate_builtin): Take number of latch executions if the statement
2092 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2095 * tree-eh.c: Include pointer-set.h.
2096 (lower_eh_dispatch): Filter out duplicate case labels and
2097 remove the unneeded edge when the label is unused. Return
2098 true when some edges are removed.
2099 (execute_lower_eh_dispatch): When any lowering resulted in
2100 removing an edge, also delete unreachable blocks.
2102 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2105 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2106 UNSPEC_MACHOPIC_OFFSET.
2108 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2111 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2112 (m68k_delegitimize_address): New function.
2114 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2117 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2120 * var-tracking.c (adjust_sets): New function.
2121 (count_with_sets, add_with_sets): Use it.
2122 (get_adjusted_src): New inline function.
2123 (add_stores): Use it.
2126 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2127 call cselib_dummy_expand_value_rtx_cb instead of
2128 cselib_expand_value_rtx_cb.
2131 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2132 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2133 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2134 and .cfi_endproc around the pic thunks.
2135 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2136 all queued unwind info register saves are saved before the call.
2137 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2138 considered as sp-=4 for unwind info and the pop as sp+=4 which
2139 also clobbers dest, but doesn't actually restore it.
2142 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2143 RTX_FRAME_RELATED_P.
2145 2010-03-09 Jie Zhang <jie@codesourcery.com>
2147 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2148 whitespaces in output template.
2150 2010-03-09 Jie Zhang <jie@codesourcery.com>
2152 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2155 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2157 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2158 builtins.exp in a separate job.
2160 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2162 * graphite-sese-to-poly.c (add_param_constraints): Use
2163 lower_bound_in_type and upper_bound_in_type.
2165 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2167 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2168 instead of unsigned_type_node.
2170 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2171 Reza Yazdani <reza.yazdani@amd.com>
2174 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2175 on pointer type parameters.
2177 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2181 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2182 handle conversions from pointer to integers.
2183 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2184 induction variable, to be able to work with code generated by CLooG.
2185 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2186 (build_poly_scop): Bail out if we cannot codegen a loop.
2188 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2190 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2191 code generation with gloog_error.
2193 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2195 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2196 Call fold_convert on all the returned values.
2197 (expand_scalar_variables_expr): Pass to
2198 expand_scalar_variables_ssa_name the type of the resulting expression.
2200 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2202 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2203 ppl_min_for_le_pointset.
2204 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2205 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2207 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2209 * graphite-dependences.c (map_into_dep_poly): Removed.
2210 (dependence_polyhedron_1): Use combine_context_id_scat.
2212 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2214 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2215 (struct poly_bb): Same.
2216 (combine_context_id_scat): New.
2218 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2221 * sese.c (name_defined_in_loop_p): Return false for default
2224 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2226 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2227 and clean up the logic.
2229 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2231 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2234 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2236 * var-tracking.c (remove_cselib_value_chains): Define only for
2238 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
2239 delete_slot_part, emit_notes_for_differences_1): Don't call
2240 remove_cselib_value_chains here.
2241 (set_slot_part, emit_notes_for_differences_2): Don't call
2242 add_cselib_value_chains here.
2243 (preserved_values): New vector.
2244 (preserve_value): New function.
2245 (add_uses, add_stores, vt_add_function_parameters): Use it
2246 instead of cselib_preserve_value.
2247 (changed_values_stack): New vector.
2248 (check_changed_vars_0): New function.
2249 (check_changed_vars_1, check_changed_vars_2): Use it.
2250 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
2251 changed_values_stack VALUEs.
2252 (vt_emit_notes): For all preserved_values call
2253 add_cselib_value_chains. If ENABLE_CHECKING call
2254 remove_cselib_value_chains before verifying value_chains is empty.
2255 Initialize and free changed_values_stack.
2256 (vt_initialize): Initialize preserved_values.
2257 (vt_finalize): Free preserved_values.
2259 2010-03-08 Richard Guenther <rguenther@suse.de>
2261 PR tree-optimization/43269
2262 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
2265 2010-03-08 Martin Jambor <mjambor@suse.cz>
2267 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
2268 (ipa_is_param_called): Removed.
2269 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
2270 (ipa_print_node_params): Do not print the called flag.
2271 (ipa_write_node_info): Do not stream the called flag.
2272 (ipa_read_node_info): Likewise.
2274 2010-03-07 Jakub Jelinek <jakub@redhat.com>
2277 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
2278 * cselib.c (struct expand_value_data): Add dummy field.
2279 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
2281 (cselib_dummy_expand_value_rtx_cb): New function.
2282 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
2284 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
2285 * var-tracking.c: Include pointer-set.h.
2286 (variable): Change n_var_parts to char from int. Add
2287 cur_loc_changed and in_changed_variables fields.
2288 (variable_canonicalize): Remove.
2289 (shared_var_p): New inline function.
2290 (unshare_variable): Maintain cur_loc_changed and
2291 in_changed_variables fields. If var was in changed_variables,
2292 replace it there with new_var. Just copy cur_loc instead of
2293 resetting it to something else.
2294 (variable_union): Don't recompute cur_loc. Use shared_var_p.
2295 (dataflow_set_union): Don't call variable_canonicalize.
2296 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
2297 of their DEBUG_EXPR_TREE_DECLs.
2298 (canonicalize_loc_order_check): Verify that cur_loc is NULL
2299 and in_changed_variables and cur_loc_changed is false.
2300 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
2301 and cur_loc_changed. Don't update cur_loc here.
2302 (variable_merge_over_src): Don't call variable_canonicalize.
2303 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
2304 removing loc that is equal to cur_loc, clear cur_loc,
2305 set cur_loc_changed and ensure variable_was_changed is called.
2306 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
2307 compare pointers in cur_loc check, if it is equal to loc,
2308 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
2309 (variable_different_p): Remove compare_current_location argument,
2310 don't compare cur_loc.
2311 (dataflow_set_different_1): Adjust variable_different_p caller.
2312 (variable_was_changed): If dv had some var in changed_variables
2313 already, reset in_changed_variables flag for it and propagate
2314 cur_loc_changed over to the new variable. On empty var
2315 always set cur_loc_changed. Set in_changed_variables on whatever
2316 var is added to changed_variables.
2317 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
2318 Use shared_var_p. When removing loc that is equal to cur_loc,
2319 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
2320 end, don't set it to something else, just call variable_was_changed.
2321 (delete_slot_part): Use shared_var_p. When cur_loc equals to
2322 loc being removed, clear cur_loc and set cur_loc_changed.
2323 Set cur_loc_changed if all locations have been removed.
2324 (struct expand_loc_callback_data): New type.
2325 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
2326 allocated. Always create SUBREGs if simplify_subreg failed.
2327 Prefer to use cur_loc, when that fails and still in
2328 changed_variables (and seen first time) recompute it. Set
2329 cur_loc_changed of variables which had to change cur_loc and
2330 compute elcd->cur_loc_changed if any of the subexpressions used
2331 had to change cur_loc.
2332 (vt_expand_loc): Adjust to pass arguments in
2333 expand_loc_callback_data structure.
2334 (vt_expand_loc_dummy): New function.
2335 (emitted_notes): New variable.
2336 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
2337 that weren't used for any other decl in current
2338 emit_notes_for_changes call call vt_expand_loc_dummy to update
2339 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
2340 first loc_chain location if NULL before. Always use just
2341 cur_loc instead of first loc_chain location. When cur_loc_changed
2342 is false, when not --enable-checking=rtl just don't emit any note.
2343 When rtl checking, compute the note and assert it is the same
2344 as previous note. Clear cur_loc_changed and in_changed_variables
2345 at the end before removing from changed_variables.
2346 (check_changed_vars_3): New function.
2347 (emit_notes_for_changes): Traverse changed_vars to call
2348 check_changed_vars_3 on each changed var.
2349 (emit_notes_for_differences_1): Clear cur_loc_changed and
2350 in_changed_variables. Recompute cur_loc of new_var.
2351 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
2352 (vt_emit_notes): Initialize and destroy emitted_notes.
2354 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
2356 PR rtl-optimization/42220
2357 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
2358 Use verify_reg_tracked to determine if we should use OP_OUT rather
2360 (build_def_use): If we see an in-out operand for a register that we
2361 know nothing about, treat is an output if possible, fail the block if
2364 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2367 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
2370 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2373 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
2374 uses of relevant DEFs that are dead outside the loop too.
2376 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2378 * var-tracking.c (dataflow_set_merge): Swap src and src2.
2380 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2382 * var-tracking.c (values_to_unmark): New variable.
2383 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2384 values_to_unmark vector. Moved body to...
2385 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2386 instead queue it into values_to_unmark vector.
2387 (vt_find_locations): Free values_to_unmark vector.
2389 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
2391 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
2392 (site.exp): Export them when plugins are enabled.
2394 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
2397 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
2399 (chrec_fold_multiply): Same.
2401 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2404 * c-decl.c (build_compound_literal): Return early if init is
2407 2010-03-04 Martin Jambor <mjambor@suse.cz>
2409 PR tree-optimization/43164
2410 PR tree-optimization/43191
2411 * tree-sra.c (type_consists_of_records_p): Reject records with
2412 zero-size bit-fields at the end.
2414 2010-03-04 Mike Stump <mikestump@comcast.net>
2416 * Makefile.in (TAGS): Remove *.y.
2418 2010-03-04 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/40761
2421 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
2423 (my_rev_post_order_compute): New function.
2424 (init_pre): Call it.
2426 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
2429 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
2430 decrease the cost of an IV candidate when the cost is infinite.
2432 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2434 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
2435 Use '3DNow!' for the extension of that name, ensure normal space
2437 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2439 2010-03-03 Jeff Law <law@redhat.com>
2441 * PR middle-end/32693
2442 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
2443 than gen_rtx_SUBREG.
2444 (extract_bit_field_1): Likewise.
2446 2010-03-03 Janis Johnson <janis187@us.ibm.com>
2448 * doc/sourcebuild.texi (Test directives): Document that arguments
2449 include-opts and exclude-opts are now optional for dg-skip-if,
2450 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
2452 2010-03-03 Jason Merrill <jason@redhat.com>
2455 * cgraph.h (varpool_node): Add extra_name field.
2456 * varpool.c (varpool_extra_name_alias): New.
2457 (varpool_assemble_decl): Emit extra name aliases.
2458 (varpool_mark_needed_node): Look past an extra name alias.
2459 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
2460 * lto-streamer-in.c (lto_input_tree): Read it.
2461 * lto-streamer-out.c (output_unreferenced_globals): Write it.
2463 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
2465 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
2466 (sparc*-*-solaris2*): ...this.
2468 2010-03-03 Jakub Jelinek <jakub@redhat.com>
2471 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
2472 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
2473 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
2474 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
2477 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
2478 fallthrough to default handling, just with want_address 0 instead of 2.
2479 For single element lists, add_AT_loc directly, otherwise create an
2480 artificial variable DIE and stick location list to it.
2483 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
2484 (VAL_EXPR_HAS_REVERSE): Define.
2485 (reverse_op): New function.
2486 (add_stores): For reversible operations add an extra MO_VAL_USE.
2488 2010-03-02 Jason Merrill <jason@redhat.com>
2490 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
2492 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
2494 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
2495 (sparc64-*-linux*): Likewise.
2496 (sparc64-*-solaris2*): Include assembler files before linker ones.
2497 (sparc-*-solaris2*): Simplify and reorder to match previous case.
2498 * config/sparc/gas.h: Delete.
2499 * config/sparc/sol2-64.h: Add copyright notice.
2500 * config/sparc/sol2-gas-bi.h: Likewise.
2501 * config/sparc/sol2-gld.h: Likewise.
2502 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
2503 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
2504 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
2505 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
2506 (sparc_elf_asm_named_section): Rename into...
2507 (sparc_solaris_elf_asm_named_section): ...this. Always define.
2509 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
2511 * config/alpha/alpha.c (override_options): Fix -mtune error message.
2513 2010-03-02 Jeff Law <law@redhat.com>
2516 * reload1.c (rtx_p, substitute_stack): Declare.
2517 (substitute): Record addresses of changed rtxs.
2518 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
2519 Restore the original rtx when complete.
2520 (reload): Free subsitute_stack when complete.
2522 2010-03-02 Janis Johnson <janis187@us.ibm.com>
2524 * doc/gccint.texi (menu): Add Testsuites as a chapter.
2525 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
2527 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
2528 LTO Testing, gcov Testing, profopt Testing, compat Testing,
2529 Torture Tests): Change from subsection to section.
2531 2010-03-02 Jakub Jelinek <jakub@redhat.com>
2532 Steven Bosscher <steven@gcc.gnu.org>
2534 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
2537 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
2540 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
2541 the assignment from the new induction variable to the assignment
2542 of the value from the original loop PHI function.
2544 2010-03-01 Janis Johnson <janis187@us.ibm.com>
2545 Daniel Jacobowitz <dan@codesourcery.com>
2547 * doc/sourcebuild.texi (Test directives): Clarify options to
2550 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2552 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
2553 Disable cfi directives unless GCC and gas agree on using read-only
2554 .eh_frame sections for 64-bit.
2555 * configure: Regenerate.
2557 2010-03-01 Richard Guenther <rguenther@suse.de>
2559 PR tree-optimization/43220
2560 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
2561 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
2563 2010-03-01 Richard Guenther <rguenther@suse.de>
2564 Martin Jambor <mjambor@suse.cz>
2567 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
2568 gimplified parameters.
2570 2010-03-01 Christian Bruel <christian.bruel@st.com>
2572 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
2574 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
2576 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
2578 2010-03-01 Richard Guenther <rguenther@suse.de>
2581 * expr.c (expand_assignment): Use the alias-oracle to tell
2582 if the rhs aliases the result decl.
2584 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2587 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
2588 to sol_gt_pch_get_address.
2589 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
2590 64-bit, SPARC and x86.
2591 (sol_gt_pch_get_address): New function.
2593 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
2595 * toplev.h (inform_n, error_n): Declare.
2596 * diagnostic.c (inform_n, error_n): New function.
2598 2010-03-01 Jakub Jelinek <jakub@redhat.com>
2600 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
2601 has no rtl yet when processing local_decls, queue it and recheck
2602 if deferred stack allocation hasn't assigned it rtl.
2604 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
2606 * config/sh/sh.c (unspec_bbr_uid): New.
2607 (gen_block_redirect): Use it instead of INSN_UID.
2608 (gen_far_branch): Likewise.
2610 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
2612 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
2613 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
2615 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2617 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
2618 (Warning Options): -Wno-conversion-null is valid for
2619 Objective-C++ as well.
2620 * doc/tm.texi (Named Address Spaces): Likewise.
2621 * doc/plugins.texi (Plugins): Replace TABs with spaces.
2622 * doc/tree-ssa.texi (Tree SSA): Likewise.
2624 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2627 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
2628 by default. Don't set the default arch for
2629 i[34567]86-*-darwin*|x86_64-*-darwin*.
2631 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2634 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
2635 default. Set the default 32bit/64bit archs with $with_arch
2636 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
2638 2010-02-27 Richard Guenther <rguenther@suse.de>
2640 PR tree-optimization/43186
2641 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
2642 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
2643 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
2644 unroller iterations.
2646 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2648 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
2649 required and i[34567]86-*-* targets don't support 64bit ISA.
2651 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
2654 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2657 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2659 * config.gcc: Set the default arch at least to Prescott for
2660 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2661 if SSE math is enabled.
2663 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2665 * diagnostic.c (diagnostic_initialize): Update.
2666 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2668 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2669 (diagnostic_inhibit_notes): New.
2670 * toplev.c (process_options): inhibit notes with -fcompare-debug.
2672 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2675 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2676 * doc/standards.texi: Likewise.
2677 * doc/extend.texi: Likewise.
2678 * doc/trouble.texi: Likewise.
2679 * doc/cppopts.texi: Likewise.
2680 * doc/install.texi: Likewise.
2681 * c.opt (std=c90,std=gnu90): New options.
2682 * c-opts.c (c_common_handle_option): Handle them.
2684 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2687 * c-decl.c (undeclared_variable): Use an informative note.
2689 2010-02-26 Richard Guenther <rguenther@suse.de>
2691 PR tree-optimization/43186
2692 * gimple.h (gimple_fold): Remove.
2693 * gimple.c (gimple_fold): Remove. Inline into single user ...
2694 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2695 Try harder for conditions.
2697 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2700 * function.c (used_types_insert): Don't skip through named pointer
2701 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2702 and it is different from the main variant's type.
2704 2010-02-26 Nick Clifton <nickc@redhat.com>
2706 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2708 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2710 * config.gcc: Support --with-fpmath=sse for x86.
2712 * config/i386/ssemath.h: New.
2714 * doc/install.texi (--with-fpmath=sse): Documented.
2716 2010-02-26 Richard Guenther <rguenther@suse.de>
2718 PR tree-optimization/43188
2719 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2720 vector types of over-aligned element type.
2722 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2725 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2726 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2728 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2730 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2732 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2734 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2735 * var-tracking.c: Include diagnostic.h.
2736 (debug_dv): New function.
2737 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2740 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2741 (add_value_chain, add_value_chains, remove_value_chain,
2742 remove_value_chains): Handle DEBUG_EXPRs.
2743 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2746 * regcprop.c (struct queued_debug_insn_change): New type.
2747 (struct value_data_entry): Add debug_insn_changes field.
2748 (struct value_data): Add n_debug_insn_changes field.
2749 (debug_insn_changes_pool): New variable.
2750 (free_debug_insn_changes, apply_debug_insn_changes,
2751 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2752 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2753 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2755 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2757 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2758 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2759 changes, call cprop_find_used_regs via note_stores.
2760 (copyprop_hardreg_forward): When copying vd from predecessor
2761 which has any queued DEBUG_INSN changes, make sure the pointers are
2762 cleared. At the end call df_analyze and then if there are any
2763 DEBUG_INSN changes queued at the end of some basic block for still
2764 live registers, apply them.
2765 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2767 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2769 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2772 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2774 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2775 targets. Set the default with_cpu/with_arch from arch/cpu.
2776 Allow x86-64 and native for with_cpu/with_arch.
2778 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2780 * ebitmap.c: Change calls to verify_popcount with calls to
2781 sbitmap_verify_popcount.
2782 (ebitmap_clear_bit): Fixed map->cacheindex test and
2783 map>cache update when bit clearing results in an empty
2786 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2789 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2790 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2791 and support both V2DF and V2DI modes.
2792 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2793 support both V2DF and V2DI modes.
2794 (general): Delete trailing whitespace from a few patterns.
2796 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2797 V2DF/V2DI interleave high/low builtins.
2799 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2802 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2803 interleave high/low functions.
2805 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2807 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2808 #pragma extern_prefix.
2810 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2813 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2814 BLKmode, assert op0 is a MEM and just adjust its mode.
2817 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2818 if bitpos isn't multiple of mode's bitsize.
2820 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2822 * c.opt (-ftemplate-depth=): New.
2823 (-ftemplate-depth-): Deprecate.
2824 * optc-gen.awk: Handle -ftemplate-depth=.
2825 * opth-gen.awk: Likewise.
2826 * c-opts.c (c_common_handle_option): Likewise.
2827 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2829 2010-02-24 Jason Merrill <jason@redhat.com>
2831 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2833 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2835 * cfg.c (alloc_aux_for_block): Remove inline.
2836 (alloc_aux_for_edge): Likewise.
2838 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2840 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2842 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2844 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2845 * config/i386/sol2-gas.h: New file.
2846 * config.gcc (i[34567]86-*-solaris2*): Use it.
2848 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2851 * c-typeck.c (ep_convert_and_check): New.
2852 (build_conditional_expr): Use it.
2853 (build_binary_op): Likewise.
2855 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2857 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2860 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2861 bounds even for -O+.
2862 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2863 expr needs to have DECL_NAME set.
2865 2010-02-24 Nick Clifton <nickc@redhat.com>
2867 * config/mep/mep.c: Include gimple.h.
2868 (mep_function_uses_sp): Delete unused function.
2869 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2870 parameters. Use unsigned integers to count args. Return a
2871 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2873 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2876 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2877 greater or equal to nelt instead of 2 * nelt.
2878 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2881 2010-02-23 Jason Merrill <jason@redhat.com>
2884 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2885 in cfun->local_decls even if they have register types.
2888 * stor-layout.c (place_field): Don't warn about unnecessary
2889 DECL_PACKED if the type is packed.
2891 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2894 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2895 GOTOFF relocs, even when the base reg isn't pic pointer.
2897 2010-02-23 Michael Matz <matz@suse.de>
2900 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2901 (expand_gimple_basic_block): Generate and use debug temps if there
2902 are debug uses left after the last real use of TERed ssa names.
2903 Unlink debug immediate uses when they are expanded.
2905 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2908 * config/i386/i386.c (override_options): Reorganise to provide
2909 better error messages.
2911 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2914 * graphite-scop-detection.c (create_single_exit_edge): Move
2915 the call to find_single_exit_edge to....
2916 (create_sese_edges): ...here. Don't handle multiple edges
2917 exiting the function.
2918 (build_graphite_scops): Don't handle multiple edges
2919 exiting the function.
2921 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2924 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2925 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2927 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2930 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2932 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2935 * c-typeck.c (convert_arguments): Print declaration location.
2936 * c-common.c (validate_nargs): Rename as
2937 builtin_function_validate_nargs.
2938 (check_builtin_function_arguments): Update.
2940 2010-02-22 Richard Guenther <rguenther@suse.de>
2943 * tree-inline.c (declare_return_variable): Use the type of
2944 the call stmt lhs if available.
2946 2010-02-22 Duncan Sands <baldrick@free.fr>
2948 * passes.c (register_pass): Always consider all pass lists when
2949 ref_pass_instance_number is zero.
2951 2010-02-22 Richard Guenther <rguenther@suse.de>
2953 PR tree-optimization/42749
2954 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2955 parameter. Do arithmetic in the original type.
2956 (update_accumulator_with_ops): Likewise.
2957 (adjust_accumulator_values): Adjust.
2959 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2961 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2962 (QI to BLKmode splitter): New splitter.
2964 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2966 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2967 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2969 2010-02-22 Richard Guenther <rguenther@suse.de>
2971 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2973 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2975 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2976 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2977 ($(T)crti.o, $(T)crtn.o): Remove rules.
2979 2010-02-21 Tobias Burnus <burnus@net-b.de>
2982 * doc/invoke.texi (-fassociative-math): Document that this
2983 option is automatically enabled for Fortran.
2985 2010-02-20 David S. Miller <davem@davemloft.net>
2987 * configure.ac: Test if linker and assembler properly support
2988 GOTDATA_OP relocations.
2989 * configure: Rebuild.
2990 * config.in: Likewise.
2991 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2992 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2993 (movsi_high_pic): Likewise.
2994 (movdi_lo_sum_pic): Likewise.
2995 (movdi_high_pic): Likewise.
2996 (movsi_pic_gotdata_op): New pattern.
2997 (movdi_pic_gotdata_op): Likewise.
2998 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2999 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3001 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3004 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3005 attribute to ssemul.
3006 (xop_mulv2div2di3_high): Ditto.
3008 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3011 * c.opt (Wconversion-null): New option.
3012 * doc/invoke.texi (Wconversion-null): Document.
3014 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3016 * common.opt (Wlarger-than-): Add Undocumented.
3018 2010-02-19 Mike Stump <mikestump@comcast.net>
3020 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3022 2010-02-19 Jason Merrill <jason@redhat.com>
3025 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3026 * configure: Likewise.
3028 2010-02-20 Alan Modra <amodra@gmail.com>
3031 * cgraph.h (cgraph_make_decl_local): Declare.
3032 * cgraph.c (cgraph_make_decl_local): New function.
3033 (cgraph_make_node_local): Use it.
3034 * cgraphunit.c (cgraph_function_versioning): Likewise.
3035 * ipa.c (function_and_variable_visibility): Likewise.
3037 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3040 * except.c (sjlj_emit_function_enter): Don't call
3041 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3043 * rtl.h (add_reg_br_prob_note): Remove prototype.
3045 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3048 * c-common.c (conversion_warning): Remove widening conversions
3049 before checking the conversion of integers to reals.
3051 2010-02-19 Mike Stump <mikestump@comcast.net>
3054 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3057 * cgraphunit.c (process_function_and_variable_attributes): Check
3058 DECL_PRESERVE_P instead of looking up attribute "used".
3059 * ipa-pure-const.c (check_decl): Likewise.
3060 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3061 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3062 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3063 instead of attribute "used".
3064 * config/sol2-c.c (solaris_pragma_init): Likewise.
3065 (solaris_pragma_fini): Likewise.
3067 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3069 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3070 Use XCNEW instead of xcalloc.
3071 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3072 XNEW instead of xmalloc.
3073 (get_fields): Use XNEWVEC instead of xmalloc.
3076 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3077 populate vars array.
3078 (create_new_general_access): For debug stmts just reset value.
3079 (get_stmt_accesses): For accesses within debug stmts just record them
3080 using add_access_to_acc_sites instead of preventing the peeling or
3081 counting them as accesses.
3084 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3086 2010-02-19 Richard Guenther <rguenther@suse.de>
3088 PR tree-optimization/42916
3089 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3092 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3094 * configure.ac: Replace all uses of changequote in macro arguments
3095 with proper quoting.
3097 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3100 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3102 2010-02-19 Richard Guenther <rguenther@suse.de>
3104 PR tree-optimization/42944
3105 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3106 test for aliasing with errno.
3108 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3111 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3112 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3113 * dojump.c: Include output.h.
3114 (inv): New inline function.
3115 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3116 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3117 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3118 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3119 argument, pass it down to other calls.
3120 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3121 add REG_BR_PROB note to the conditional jump.
3122 * cfgexpand.c (add_reg_br_prob_note): Removed.
3123 (expand_gimple_cond): Don't call it, add the probability
3124 as last argument to jumpif_1/jumpifnot_1.
3125 * Makefile.in (dojump.o): Depend on output.h.
3126 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3128 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3129 * stmt.c (do_jump_if_equal): Likewise.
3130 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3131 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3132 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3134 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3135 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3136 jumpifnot_1 callers.
3137 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3139 (store_expr): Adjust jumpifnot caller.
3140 (store_constructor): Adjust jumpif caller.
3143 * gimplify.c (gimple_boolify): For __builtin_expect call
3144 gimple_boolify also on its first argument.
3146 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3148 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3150 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3151 * configure: Regenerated.
3153 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3155 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3156 lang_hooks.types_compatible_p instead of comptypes.
3158 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3160 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3161 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3162 if __prefer_thumb__ is defined.
3164 2010-02-18 Martin Jambor <mjambor@suse.cz>
3166 PR tree-optimization/43066
3167 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3168 array with zero-sized element type.
3170 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3172 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3173 rtx, allocate struct var_loc_node here and return it to the
3174 caller, and only if it is actually needed.
3175 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3176 move it earlier and return immediately if it returns NULL.
3178 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3180 * config/sparc/gas.h: New file. Restore
3181 TARGET_ASM_NAMED_SECTION to its ELF default.
3182 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3184 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3185 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3186 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3187 after sparc/sysv4.h.
3189 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3191 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3193 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3195 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3196 patterns from predicated pattern.
3198 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3201 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3202 for insn mnemonic suffix.
3204 2010-02-17 Richard Guenther <rguenther@suse.de>
3206 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3209 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3212 * caller-save.c (save_call_clobbered_regs): If BB ends with
3213 a DEBUG_INSN, move any notes in between last real insn and the last
3214 DEBUG_INSN after the last DEBUG_INSN.
3216 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
3218 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
3219 Fix return type. Fix argument type. Explain meaning of return value.
3221 2010-02-16 Richard Guenther <rguenther@suse.de>
3223 PR tree-optimization/41043
3224 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
3225 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
3227 (vrp_visit_phi_node): ... but only for loop PHI nodes.
3229 2010-02-16 Ira Rosen <irar@il.ibm.com>
3231 PR tree-optimization/43074
3232 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
3233 * tree-vect-loop.c (vect_analyze_loop_operations): Add
3234 vectorizable cycles in hybrid SLP check.
3235 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
3237 2010-02-16 Richard Guenther <rguenther@suse.de>
3239 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
3240 (true_dependence): If memrefs_conflict_p computes must-alias
3241 trust it. Move TBAA check after offset-based disambiguation.
3242 (canon_true_dependence): Likewise.
3244 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
3246 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
3247 * doc/invoke.texi: Document it.
3248 * var-tracking.c: Include toplev.h and params.h.
3249 (vt_find_locations): Return bool indicating success. Compute
3250 hash sizes unconditionally. Check new parameter, report.
3251 (variable_tracking_main_1): Check vt_find_locations results and
3252 retry. Renamed from...
3253 (variable_tracking_main): ... this. New wrapper to preserve
3254 flag_var_tracking_assignments.
3255 * Makefile.in (var-tracking.o): Adjust dependencies.
3257 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
3258 Jakub Jelinek <jakub@redhat.com>
3261 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
3262 if weak_import attribute is present.
3263 * config/darwin.c (machopic_select_section): Likewise.
3265 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
3267 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
3268 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
3269 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
3270 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
3272 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
3274 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3277 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
3278 Rewrite text to refer to the names.
3280 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
3282 * config/i386/i386-builtin-types.def
3283 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
3284 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
3285 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
3286 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
3287 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
3288 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
3289 IX86_BUILTIN_VPERMIL2PS256.
3290 (MULTI_ARG_4_DF2_DI_I): Defined.
3291 (MULTI_ARG_4_DF2_DI_I1): Defined.
3292 (MULTI_ARG_4_SF2_SI_I): Defined.
3293 (MULTI_ARG_4_SF2_SI_I1): Defined.
3294 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
3295 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
3296 __builtin_ia32_vpermil2ps256.
3297 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3298 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3299 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
3300 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3301 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3302 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
3303 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
3304 CODE_FOR_xop_vpermil2v8sf3.
3305 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
3306 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
3307 * config/i386/xopintrin.h (_mm_permute2_pd): New.
3308 (_mm256_permute2_pd): New.
3309 (_mm_permute2_ps): New.
3310 (_mm256_permute2_ps): New.
3312 2010-02-15 Nick Clifton <nickc@redhat.com>
3314 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
3315 boolean parameters. Use emit_jump_insn when emitting a pop
3316 instruction containing a return insn.
3317 (push): Use 'true' rather than '1' as second parameter to F.
3318 (h8300_expand_prologue): Likewise.
3319 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
3320 (h8300_expand_epilogue): Likewise.
3322 2010-02-15 Richard Guenther <rguenther@suse.de>
3325 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
3328 2010-02-15 Nick Clifton <nickc@redhat.com>
3330 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
3333 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
3335 * intl.c (fake_ngettext): New function.
3336 * intl.h (fake_ngettext): Declare.
3337 (ngettext): Define macro.
3338 * collect2.c (notice_translated): New function.
3339 (main): Use notice_translated and ngettext.
3340 * collect2.h (notice_translated): Declare.
3342 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
3344 * reorg.c (delete_computation): Comment fixes.
3345 * caller-save.c (setup_save_areas): Idem.
3346 * sel-sched-dump.c (dump_lv_set): Idem.
3349 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3351 * config/s390/s390.c (s390_sched_init): New function.
3352 (TARGET_SCHED_INIT): Target hook defined.
3354 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
3355 Jack Howarth <howarth@bromo.med.uc.edu>
3356 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3359 Partial revert of unintended change in fix for PR41605.
3360 * config/darwin.h: Fix typo.
3361 * config/darwin9.h: Same.
3363 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3365 * c-pch.c (pch_init): Clear v.
3367 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3370 * graphite-scop-detection.c (graphite_can_represent_scev): Call
3371 graphite_can_represent_init for MULT_EXPR.
3373 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3377 * graphite-sese-to-poly.c (remove_phi): New.
3378 (translate_scalar_reduction_to_array): Call remove_phi.
3380 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3383 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
3384 * graphite-clast-to-gimple.h (gloog): Update declaration.
3385 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
3386 * graphite-poly.h (struct poly_bb): Add missing comments.
3387 (struct scop): Add poly_scop_p field.
3389 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
3390 * graphite.c (graphite_transform_loops): Build the polyhedral
3391 representation for each scop before code generation.
3392 * sese.c (rename_variables_in_operand): Removed.
3393 (rename_variables_in_expr): Return the renamed expression.
3394 (rename_sese_parameters): New.
3395 * sese.h (rename_sese_parameters): Declared.
3397 2010-02-11 Richard Guenther <rguenther@suse.de>
3399 PR tree-optimization/42998
3400 * tree-ssa-pre.c (create_expression_by_pieces): Treat
3401 POINTER_PLUS_EXPR properly.
3403 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3404 Changpeng Fang <changpeng.fang@amd.com>
3407 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
3408 the cost of an IV candidate when the IV is used in a test against zero.
3410 * gcc.dg/tree-ssa/ivopts-3.c: New.
3412 2010-02-11 Richard Guenther <rguenther@suse.de>
3415 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
3416 pointer-vs-decl case by swapping refs. Handle some cases
3417 of pointer-vs-decl disambiguations more conservatively.
3418 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
3419 to false after expanding.
3421 2010-02-11 Richard Guenther <rguenther@suse.de>
3424 * gcc.c (process_command): Handle LTO file@offset case more
3427 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3429 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
3430 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
3432 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
3434 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
3435 if MEM's mode size isn't DWARF2_ADDR_SIZE.
3436 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
3437 Optimize eq/ne comparisons when both arguments are known to be
3439 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
3440 Don't mask operands unnecessarily if they are known to be already
3443 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
3445 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
3448 2010-02-10 Richard Guenther <rguenther@suse.de>
3450 PR tree-optimization/43017
3451 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
3452 for wrapping signed arithmetic.
3454 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3457 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
3458 if no debug info should be emitted for it.
3460 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3462 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
3463 note when flag_exceptions is set.
3465 2010-02-10 Duncan Sands <baldrick@free.fr>
3467 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
3469 2010-02-10 Richard Guenther <rguenther@suse.de>
3472 * tree.c (get_unwidened): Handle constants.
3473 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
3475 2010-02-10 Martin Jambor <mjambor@suse.cz>
3478 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
3479 check for variable argument counts independently.
3481 2010-02-10 Christian Bruel <christian.bruel@st.com>
3484 * config/sh/sh.c (find_barrier): Increase length for non delayed
3485 conditional branches.
3487 2010-02-10 Christian Bruel <christian.bruel@st.com>
3489 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
3491 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3493 * builtins.c (set_builtin_user_assembler_name): Also handle
3494 ffs if int is smaller than word.
3496 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
3499 * ira-conflicts.c (get_dup): Remove.
3500 (process_reg_shuffles): Add new parameter. Use it as an
3501 additional guard for copy generation.
3502 (add_insn_allocno_copies): Rewrite.
3504 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
3506 * common.opt (fsched2-use-traces): Preserved for backward
3508 * doc/invoke.texi: Remove the documentation about option
3509 -fsched2-use-traces.
3510 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
3511 flag_sched2_use_traces.
3512 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
3513 the backward compatibility flag section.
3515 2010-02-09 Richard Guenther <rguenther@suse.de>
3517 PR tree-optimization/43008
3518 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
3519 make HEAP variables initialized from global memory if they
3520 are not known builtin functions.
3521 (find_func_aliases): Adjust.
3523 2010-02-09 Richard Guenther <rguenther@suse.de>
3525 PR tree-optimization/43000
3526 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
3527 arithmetic manually.
3529 2010-02-08 Jakub Jelinek <jakub@redhat.com>
3531 PR tree-optimization/42931
3532 * tree-loop-linear.c (try_interchange_loops): Don't call
3533 double_int_mul if estimated_loop_iterations failed.
3535 2010-02-08 Martin Jambor <mjambor@suse.cz>
3538 * tree-sra.c (build_accesses_from_assign): Do not mark in
3539 should_scalarize_away_bitmap if stmt has volatile ops.
3540 (sra_modify_assign): Do not process assigns piecemeal if if stmt
3543 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
3545 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
3547 2010-02-07 Adam Nemet <adambnmet@gmail.com>
3549 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
3552 2010-02-07 Andrew Pinski <pinskia@gmail.com>
3555 * df-core.c (df_finish_pass): Change type of saved_flags to int.
3557 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3560 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
3561 to unknown_dependence.
3562 (graphite_legal_transform_dr): Handle the unknown_dependence.
3563 (graphite_carried_dependence_level_k): Same.
3565 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3567 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
3569 2010-02-07 Richard Guenther <rguenther@suse.de>
3572 * expr.c (get_inner_reference): Always initialize *pbitsize.
3574 2010-02-07 Richard Guenther <rguenther@suse.de>
3577 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
3578 new ARRAY_REFs on variable size element or minimal index arrays.
3580 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
3581 gimple_fold_indirect_ref.
3583 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
3586 * arm.c (arm_override_options): Just return if the user has specified
3587 an invalid fpu name.
3589 2010-02-03 Jason Merrill <jason@redhat.com>
3592 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
3593 i386_pe_maybe_record_exported_symbol.
3595 2010-02-05 Steve Ellcey <sje@cup.hp.com>
3598 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3599 (pa_delegitimize_address): New function.
3601 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
3603 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
3604 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
3606 2010-02-05 Richard Guenther <rguenther@suse.de>
3609 * lto-streamer-in.c (get_resolution): Deal with references
3610 to undefined functions.
3612 2010-02-05 Richard Guenther <rguenther@suse.de>
3614 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
3615 (fold_const_aggregate_ref): Likewise.
3616 (ccp_fold_stmt): Substitute loads.
3617 (maybe_fold_reference): Verify types before substituting.
3619 (fold_gimple_assign): Unshare properly.
3620 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
3622 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
3624 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
3625 for rs6000_gen_cell_microcode.
3627 2010-02-04 Richard Guenther <rguenther@suse.de>
3629 PR rtl-optimization/42952
3630 * dse.c (const_or_frame_p): Remove MEM handling.
3632 2010-02-04 Nick Clifton <nickc@redhat.com>
3634 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
3635 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
3636 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
3637 (mn10300_asm_output_mi_thunk): New function.
3638 (mn10300_can_output_mu_thunk): New function.
3639 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
3640 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
3641 (FUNCTION_ARG): Delete incorrect comment.
3643 2010-02-03 Jason Merrill <jason@redhat.com>
3646 * fold-const.c (operand_equal_p): Handle erroneous types.
3648 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3650 * config/h8300/h8300.md (can_delay): Fix attibute condition.
3652 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
3654 PR rtl-optimization/42941
3655 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
3658 2010-02-03 Jason Merrill <jason@redhat.com>
3661 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
3663 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
3666 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
3667 (cselib_reset_table): Renamed from...
3668 (cselib_reset_table_with_next_value): ... this.
3669 (cselib_get_next_uid): Renamed from...
3670 (cselib_get_next_unknown_value): ... this.
3671 * cselib.c (next_uid): Renamed from...
3672 (next_unknown_value): ... this.
3673 (cselib_clear_table): Adjust.
3674 (cselib_reset_table): Adjust. Renamed from...
3675 (cselib_reset_table_with_next_value): ... this.
3676 (cselib_get_next_uid): Adjust. Renamed from...
3677 (cselib_get_next_unknown_value): ... this.
3678 (get_value_hash): Use hash.
3679 (cselib_hash_rtx): Likewise.
3680 (new_cselib_val): Adjust. Set and dump uid.
3681 (cselib_lookup_mem): Pass next_uid as hash.
3682 (cselib_subst_to_values): Likewise.
3683 (cselib_log_lookup): Dump uid.
3684 (cselib_lookup): Pass next_uid as hash. Adjust.
3685 (cselib_process_insn): Adjust.
3686 (cselib_init): Initialize next_uid.
3687 (cselib_finish): Adjust.
3688 (dump_cselib_table): Likewise.
3689 * dse.c (canon_address): Dump value uid.
3690 * print-rtl.c (print_rtx): Print value uid.
3691 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
3693 (dv_uid): New function, sort of renamed from...
3694 (dv_htab_hash): ... this, reimplemented in terms of it and...
3695 (dv_uid2hash): ... this. New.
3696 (variable_htab_eq): Drop excess assertions.
3697 (tie_break_pointers): Removed.
3698 (canon_value_cmp): Compare uids.
3699 (variable_post_merge_New_vals): Print uids.
3700 (vt_add_function_parameters): Adjust.
3701 (vt_initialize): Reset table. Adjust.
3703 2010-02-03 Richard Guenther <rguenther@suse.de>
3705 PR tree-optimization/42944
3706 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
3707 (call_may_clobber_ref_p_1): Likewise. Properly handle
3708 malloc and calloc clobbering errno.
3710 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
3712 * doc/invoke.texi: Fix name of sched1 dump.
3714 * opts.c (decode_options): Set flag_tree_switch_conversion
3715 only conditionally on optimize >= 2.
3717 * gcse.c: Assorted comment fixes in pass description.
3719 2010-02-03 Anthony Green <green@moxielogic.com>
3721 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
3722 nop padding in order to maintain alignment of storage location of
3723 target function address.
3724 (moxie_trampoline_init): Store target function address at newly
3726 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
3728 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
3730 2010-02-03 Richard Guenther <rguenther@suse.de>
3733 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
3735 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3737 * config.gcc: Reenable check for obsolete targets.
3738 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
3739 mips-sgi-irix6.[0-4]*.
3741 2010-02-02 Nick Clifton <nickc@redhat.com>
3743 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
3744 constant size of 4 as being the same as 0.
3745 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
3746 can take values in the range 0..4.
3748 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
3751 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
3752 as _darwin10_Unwind_FindEnclosingFunction().
3753 * libgcc-libsystem.ver: New.
3755 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
3758 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
3759 implicitly set registers.
3761 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
3763 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
3764 (arm_override_options): Allow automatic selection of the thread
3765 pointer register if thumb2.
3766 (legitimize_pic_address): Improve code sequences for Thumb2.
3767 (arm_call_tls_get_addr): Likewise.
3768 (legitimize_tls_address): Likewise.
3769 * arm.md (pic_load_addr_arm): Delete. Replace with ...
3770 (pic_load_addr_32bit): ... this. New named pattern.
3771 * thumb2.md (pic_load_addr_thumb2): Delete.
3772 (pic_load_dot_plus_four): Delete.
3773 (tls_load_dot_plus_four): New named pattern.
3775 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3778 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
3779 Document fix for TLS bug.
3781 2010-01-31 Richard Guenther <rguenther@suse.de>
3783 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
3784 conservatively correct.
3786 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3790 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3792 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3794 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3796 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
3798 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
3800 * config.gcc: Adjust order of makefile fragments for mingw targets.
3802 2010-01-31 Richard Guenther <rguenther@suse.de>
3805 * gimplify.c (gimplify_init_constructor): For volatile LHS
3806 initialize a temporary.
3808 2010-01-31 Matthias Klose <doko@ubuntu.com>
3810 * configure.ac: Fix __stack_chk_fail check for cross builds configured
3812 * configure: Regenerate.
3814 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
3816 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3817 the same alias set and their sizes different constantness.
3818 (aliasing_component_refs_p): Revert 2009-10-24 change.
3820 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3822 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
3825 2010-01-29 Richard Guenther <rguenther@suse.de>
3827 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
3828 Assert we successfully updated the call.
3830 2010-01-29 Jakub Jelinek <jakub@redhat.com>
3832 PR rtl-optimization/42889
3833 * df.h (df_set_bb_dirty_nonlr): New prototype.
3834 * df-core.c (df_set_bb_dirty_nonlr): New function.
3835 * df-scan.c (df_insn_rescan): Call it instead of
3836 df_set_bb_dirty for DEBUG_INSNs.
3838 2010-01-29 Richard Guenther <rguenther@suse.de>
3841 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
3842 quadratic behavior in most cases.
3844 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
3847 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
3848 in the call to gen_x86_movsicc_0_m1.
3850 2010-01-28 Richard Guenther <rguenther@suse.de>
3852 PR tree-optimization/42871
3853 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
3855 2010-01-28 Richard Guenther <rguenther@suse.de>
3857 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
3858 into call arguments.
3860 2010-01-28 Richard Guenther <rguenther@suse.de>
3863 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
3864 the forwarder if the destination is an EH landing pad.
3866 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
3868 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
3869 block list passed to gimple_duplicate_sese_tail.
3870 (parallelize_loops): Avoid parallelization when the function
3872 Avoid parallelization when the preheader is IRREDUCIBLE.
3873 Try to optimize when estimated_loop_iterations_int is unresolved.
3874 Add the loop's location to the dump file.
3875 * tree-cfg.c (add_phi_args_after_redirect): Remove.
3876 (gimple_duplicate_sese_tail): Remove the check for the latch.
3877 Redirect nexits to the exit block.
3878 Remove handling of the incoming edges to the latch.
3879 Redirect the backedge from the copied latch to the exit bb.
3881 2010-01-28 Michael Matz <matz@suse.de>
3884 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
3885 Wrap force_reg into a sequence, emit it before user.
3887 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
3889 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
3891 (arm_legacy_rev): Likewise.
3892 (thumb_legacy_rev): Likewise.
3894 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3896 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
3897 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
3898 on MEM's address failed, try avoid_constant_pool_reference and
3899 recurse if it returned something different.
3900 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
3901 address, try avoid_constant_pool_reference and recurse if it
3902 returned something different.
3903 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
3904 address and avoid_constant_pool_reference returned something
3905 different, don't set have_address.
3907 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
3910 * var-tracking.c (val_store): Add modified argument, obey it.
3912 (count_uses): Move down logging of main.
3913 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
3914 don't need resolution.
3915 (emit_notes_in_bb): Likewise.
3917 2010-01-27 Richard Guenther <rguenther@suse.de>
3920 * tree-inline.c (remap_decl): Delay remapping of SSA name
3921 default definitions until we need them.
3923 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3925 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3926 (rs6000_delegitimize_address): New function.
3928 * config/s390/s390.c (s390_delegitimize_address): Call
3929 delegitimize_mem_from_attrs.
3932 * tree-inline.c (cannot_copy_type_1): Removed.
3933 (copy_forbidden): Don't forbid copying of functions containing
3934 records/unions with variable length fields.
3936 2010-01-27 Christian Bruel <christian.bruel@st.com>
3940 * config/sh/sh.c (find_barrier): Increase length for non delayed
3941 conditional branches.
3943 2010-01-27 Matthias Klose <doko@ubuntu.com>
3945 * configure.ac (gnu-unique-object): Fix ldd version check.
3946 * configure: Regenerate.
3948 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3950 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
3952 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
3953 Test for HAVE_GNU_AS value.
3955 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3957 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
3958 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
3959 INT64_TYPE): Define.
3960 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
3961 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3962 INT_LEAST64_TYPE): Define.
3963 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
3964 UINT_LEAST64_TYPE): Define.
3965 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
3966 INT_FAST64_TYPE): Define.
3967 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3968 UINT_FAST64_TYPE): Define.
3969 (INTMAX_TYPE, UINTMAX_TYPE): Define.
3970 (INTPTR_TYPE, UINTPTR_TYPE): Define.
3971 (SIG_ATOMIC_TYPE): Define.
3973 2010-01-26 Richard Guenther <rguenther@suse.de>
3975 * df-scan.c (df_scan_set_bb_info): Remove assert.
3976 (df_insn_rescan_debug_internal): Merge asserts.
3977 (df_install_ref): Likewise.
3978 (df_mark_reg): Use bitmap_set_range.
3979 (df_hard_reg_used_p): Remove assert.
3980 (df_hard_reg_used_count): Likewise.
3982 2010-01-26 Richard Guenther <rguenther@suse.de>
3984 PR rtl-optimization/42685
3985 * web.c (web_main): Ignore DEBUG_INSNs.
3987 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
3989 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
3991 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
3992 Fix types of fndecl and arglist parameters.
3994 2010-01-26 Richard Guenther <rguenther@suse.de>
3997 * tree-eh.c (unsplit_eh): Skip debug insns.
3999 2010-01-26 Richard Guenther <rguenther@suse.de>
4001 PR tree-optimization/42250
4002 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
4004 2010-01-26 Jakub Jelinek <jakub@redhat.com>
4007 * omp-low.c (expand_omp_sections): Only use single_pred if
4008 l2_bb is single_pred_p.
4010 2010-01-25 Christian Bruel <christian.bruel@st.com>
4013 * config/sh/sh.c (find_barrier): Increase length for non delayed
4014 conditional branches.
4015 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4017 2010-01-24 David S. Miller <davem@davemloft.net>
4019 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
4020 define if not using GAS.
4021 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4022 Likewise. Delete SECTION_MERGE code, which is only applicable
4025 2010-01-24 Mark Mitchell <mark@codesourcery.com>
4028 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
4029 mangling of va_list in system headers.
4031 2010-01-23 Toon Moene <toon@moene.org>
4033 * tree-predcom.c (combine_chains): Return NULL, not false.
4035 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
4037 * tree-loop-distribution.c (distribute_loop): Fix declaration and
4038 initialization of variable res to agree with return type.
4040 2010-01-22 Steve Ellcey <sje@cup.hp.com>
4042 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
4043 * tree-sra.c: Add include of expr.h.
4045 2010-01-22 Jakub Jelinek <jakub@redhat.com>
4047 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
4048 insert the debug stmt on the single non-EH edge from the stmt.
4050 2010-01-22 Richard Henderson <rth@redhat.com>
4053 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
4054 the RHS until after generate_subtree_copies has insertted its
4055 code before the current statement.
4057 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
4059 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
4061 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
4063 2010-01-21 Martin Jambor <mjambor@suse.cz>
4065 PR tree-optimization/42585
4066 * tree-sra.c (struct access): New field grp_total_scalarization.
4067 (dump_access): Dump the new field.
4068 (should_scalarize_away_bitmap): New variable.
4069 (cannot_scalarize_away_bitmap): Likewise.
4070 (sra_initialize): Allocate new bitmaps.
4071 (sra_deinitialize): Free new bitmaps.
4072 (create_access_1): New function.
4073 (create_access): Parts moved to create_access_1.
4074 (type_consists_of_records_p): New function.
4075 (completely_scalarize_record): Likewise.
4076 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
4077 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
4078 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
4080 (analyze_all_variable_accesses): Completely scalarize small eligible
4083 2010-01-21 Martin Jambor <mjambor@suse.cz>
4085 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
4087 2010-01-21 Andrew Haley <aph@redhat.com>
4089 * gcc.c (process_command): Move lang_specific_driver before
4090 setting cc_libexec_prefix.
4092 2010-01-21 Richard Guenther <rguenther@suse.de>
4095 * fold-const.c (negate_expr_p): Pretend only negative
4096 real constants are easily negatable.
4098 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4099 Jason Merrill <jason@redhat.com>
4101 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4102 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4103 * calls.c (initialize argument_information): Handle it.
4104 * c-common.c (handle_transparent_union_attribute): Use new name.
4105 * c-decl.c (finish_struct): Ditto.
4106 * c-typeck.c (type_lists_compatible_p): Ditto.
4107 (convert_for_assignment): Use new name and also handle record.
4108 * function.c (aggregate_value_p): Handle it.
4109 (pass_by_reference): Ditto.
4110 (assign_parm_data_types): Ditto.
4111 * print-tree.c (print_node): Ditto.
4112 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
4113 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
4114 * tree.c (first_field): New fn.
4116 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4119 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
4120 even when linking statically, for now.
4122 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4125 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4126 without a cselib val.
4127 (count_uses): Accept MO_VAL_SET with no val on stores.
4128 (add_stores): Likewise.
4130 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4132 * var-tracking.c (check_value_val): Add a compile time assertion.
4133 (dv_is_decl_p): Simplify.
4134 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4135 gcc_assert if ENABLE_CHECKING.
4137 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4140 * var-tracking.c: Include tree-flow.h.
4141 (mem_dies_at_call): New.
4142 (dataflow_set_preserve_mem_locs): Use it.
4143 (dataflow_set_remove_mem_locs): Likewise.
4144 (dump_var): Renamed from dump_variable. Adjust all callers.
4145 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4146 * Makefile.in (var-tracking.o): Adjust deps.
4148 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4150 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
4152 2010-01-20 Richard Guenther <rguenther@suse.de>
4154 PR tree-optimization/42717
4155 * tree-ssa-dce.c (get_live_post_dom): Remove.
4156 (forward_edge_to_pdom): Take an arbitrary edge to copy
4157 degenerate PHI args from.
4158 (remove_dead_stmt): Use the first post-dominator even if it
4159 does not contain live statements as redirection destination.
4161 2010-01-20 Richard Guenther <rguenther@suse.de>
4163 * tree-inline.c (estimate_num_insns): Handle EH builtins.
4165 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4167 * sel-sched.c (create_speculation_check): Remove set but not used
4169 (try_transformation_cache): Remove set but not used variable ds.
4170 (calculate_privileged_insns): Remove set but not used variables
4171 cur_insn and min_spec_insn.
4172 (find_best_expr): Remove set but not used variable avail_n.
4173 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
4175 * cgraphunit.c (assemble_thunk): Remove set but not used variable
4177 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
4178 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
4181 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
4184 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
4185 cpu types. Add support for *-sse3 cpu types.
4186 (x86_64-*-*): Ditto.
4188 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4191 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
4192 argument, call initializer_constant_valid_p_1 instead of
4193 initializer_constant_valid_p, pass CACHE to it, return NULL
4194 immediately if first call returns NULL.
4195 (initializer_constant_valid_p_1): New function.
4196 (initializer_constant_valid_p): Use it.
4198 2010-01-20 Thomas Quinot <quinot@adacore.com>
4200 * tree.def (PLACEHOLDER_EXPR): Fix comment.
4202 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4204 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
4205 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
4206 (loc_list_from_tree): Don't handle unsigned division. Handle
4207 signed modulo using DW_OP_{over,over,div,mul,minus}.
4208 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
4209 modulo instead of signed.
4211 2010-01-20 DJ Delorie <dj@redhat.com>
4213 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
4215 (h8300_emit_stack_adjustment): Propogate it.
4217 (h8300_expand_prologue): Likewise.
4218 (h8300_expand_epilogue): Likewise.
4220 2010-01-19 Michael Matz <matz@suse.de>
4222 PR tree-optimization/41783
4223 * tree-data-ref.c (toplevel): Include flags.h.
4224 (dump_data_dependence_relation): Also dump the inputs if the
4225 result will be unknown.
4226 (split_constant_offset_1): Look through some conversions.
4227 * tree-predcom.c (determine_roots_comp): Restart a new chain if
4228 the offset from last element is too large.
4229 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
4230 (reassociate_to_the_same_stmt): Handle vector registers.
4231 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
4233 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
4234 wide_prolog_niters argument, emit widening instructions.
4235 (vect_do_peeling_for_alignment): Adjust caller, use widened
4236 variant of the iteration cound.
4237 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
4239 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4242 * config/arm/neon-testgen.m (emit_automatics): New parameter
4243 features. Adjust for Fixed_return_reg feature.
4244 (test_intrinsic): Call emit_automatics with new feature.
4245 * config/arm/neon.ml: Update copyright years.
4246 (features): New Fixed_return_reg feature.
4247 (ops): Update feature for Vget_low.
4249 2010-01-19 Jakub Jelinek <jakub@redhat.com>
4251 PR tree-optimization/42719
4252 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
4256 * fwprop.c (all_uses_available_at): Return false if def_set dest
4257 is a REG that is used in def_insn.
4259 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
4261 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
4263 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
4266 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
4268 * target.h (struct gcc_target) <secondary_reload>: Change type
4269 of last argument to secondary_reload_info *.
4271 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
4274 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
4275 memory references with unaligned offsets. Remove CQImode handling.
4276 (unaligned_memory_operand): Return 1 for memory references with
4277 unaligned offsets. Remove CQImode handling.
4279 2010-01-18 Richard Guenther <rguenther@suse.de>
4282 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
4285 2010-01-18 Richard Guenther <rguenther@suse.de>
4287 PR tree-optimization/42781
4288 * tree-ssa-structalias.c (find_what_var_points_to): Skip
4289 restrict processing only if the original variable was artificial.
4291 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
4293 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
4294 find number of popped argument bytes.
4296 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
4297 Fix the text that describes the return value for invalid insns.
4299 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
4301 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
4302 Clarify what 'cost of the -dependence' is. Fix quoting.
4304 * toplev.c (default_get_pch_validity): Rename argument to "sz".
4305 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
4307 2010-01-17 Jakub Jelinek <jakub@redhat.com>
4309 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4310 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
4312 2010-01-17 Richard Guenther <rguenther@suse.de>
4315 * function.c (split_complex_args): Take a VEC to modify.
4316 (assign_parms_augmented_arg_list): Build a VEC instead of
4317 a chain of PARM_DECLs.
4318 (assign_parms_unsplit_complex): Take a VEC of arguments.
4319 Do not fixup unmodified parms.
4320 (assign_parms): Deal with the VEC.
4321 (gimplify_parameters): Likewise.
4323 2010-01-17 Richard Guenther <rguenther@suse.de>
4325 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
4326 node existence check.
4327 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
4328 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
4329 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
4330 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
4331 (gimple_execute_on_growing_pred): Likewise.
4333 2010-01-17 Richard Guenther <rguenther@suse.de>
4335 PR tree-optimization/42773
4336 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
4337 (compute_antic_aux): Likewise.
4338 (compute_partial_antic_aux): Likewise.
4340 2010-01-17 Jie Zhang <jie.zhang@analog.com>
4343 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
4346 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
4348 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
4351 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
4352 Fix markup for strict argument.
4354 (TARGET_SCHED_REORDER2): Fix argument types.
4356 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
4357 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
4359 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
4360 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
4362 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
4365 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
4366 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
4367 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
4368 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
4369 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
4371 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
4373 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
4375 (TARGET_ASM_RELOC_RW_MASK): Add return type.
4376 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
4378 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
4380 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
4383 (TARGET_ASM_NAMED_SECTION): Fix argument list.
4385 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
4386 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
4388 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
4390 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
4392 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
4393 referring to it. Fix language.
4395 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
4397 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
4399 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
4401 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
4403 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
4404 '@var{stream}. Remove stray 'and'.
4406 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
4408 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
4410 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
4412 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
4413 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
4415 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
4416 Fix description of return value.
4417 Rename argument "sz" to "len."
4419 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
4420 Clarify meaning of 'true' return value.
4422 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
4424 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
4425 rep_mode versus mode_rep.
4427 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
4429 (TARGET_BUILTIN_DECL): Fix name.
4431 (TARGET_COMMUTATIVE_P): Fix type of first argument.
4433 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
4435 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
4437 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
4439 (TARGET_RELAXED_ORDERING): Use @deftypevr.
4441 (TARGET_GET_DRAP_RTX): Note that this is a hook.
4444 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
4445 Rename argument tm_fn to md_fn.
4447 (TARGET_OPTION_PRINT): Fix argument list.
4449 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
4452 * config/i386/i386.c (ix86_fixup_binary_operands):
4453 Revert FMA4 fixup of operands.
4455 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4458 * Makefile.in (write_entries_to_file, install-plugin):
4459 Use \012 instead of \n with tr.
4461 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
4463 * configure.ac (HAVE_AS_REF): New C macro.
4464 * configure: Regenerate.
4465 * config.in: Likewise.
4466 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
4468 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
4471 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
4473 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
4475 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
4477 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
4479 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
4481 (TARGET_IN_SMALL_DATA_P): Fix argument type.
4483 (TARGET_BINDS_LOCAL_P): Fix argument type.
4485 (TARGET_ASM_FILE_END): Use prototype.
4487 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
4489 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
4491 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
4493 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
4495 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
4496 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
4498 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
4499 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
4501 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
4502 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
4503 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
4504 (TARGET_ADDR_SPACE_CONVERT): Likewise.
4506 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
4508 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
4510 (TARGET_INIT_BUILTINS): Use prototype.
4512 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
4513 Put 'const char *' in braces. Fix parameter types.
4514 (TARGET_INVALID_CONVERSION): Fix parameter types.
4515 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
4516 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
4518 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
4521 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
4523 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
4525 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
4527 * doc/tm.texi (TARGET_HELP): Fix return type.
4529 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
4530 in braces. Fix argument types.
4532 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
4534 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
4536 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
4538 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
4539 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
4541 (TARGET_MANGLE_TYPE): Fix argument types.
4543 (TARGET_IRA_COVER_CLASSES): Use prototype.
4545 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
4547 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
4549 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
4551 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
4553 (TARGET_CALLEE_COPIES): Fix argument types.
4555 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
4557 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
4559 (TARGET_FUNCTION_VALUE): Fix argument types.
4561 (TARGET_RETURN_IN_MSB): Fix argument type.
4563 (TARGET_RETURN_IN_MEMORY): Fix argument types.
4565 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
4567 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
4569 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
4570 agree with return type.
4572 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
4574 2010-01-15 Jing Yu <jingyu@google.com>
4576 PR rtl-optimization/42691
4577 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
4578 a pseudo to a constant and are merged, and adjust comments.
4580 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
4582 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
4584 2010-01-15 Richard Guenther <rguenther@suse.de>
4587 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
4588 labels of computed or non-local gotos to the destination.
4589 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
4590 landing pad label is the first label.
4592 2010-01-15 Richard Guenther <rguenther@suse.de>
4594 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
4596 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
4599 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
4600 to allow generation of the xssqrtdp instruction on power7.
4601 (sqrtdf2_fpr): Ditto.
4603 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4606 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
4607 functions with noreturn attribute.
4610 * varasm.c (declare_weak): Add weak attribute to decl if it
4611 doesn't have one already.
4612 (assemble_external): Only add decls to weak_decls if they also
4613 have weak attribute.
4615 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
4617 * var-tracking.c (var_reg_delete): Don't delete the association
4618 between REGs and values or one-part variables if the register
4621 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4624 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
4625 because its first operand is a non-localized variable.
4627 2010-01-14 Martin Jambor <mjambor@suse.cz>
4629 PR tree-optimization/42706
4630 * tree-sra.c (encountered_recursive_call): New variable.
4631 (encountered_unchangable_recursive_call): Likewise.
4632 (sra_initialize): Initialize both new variables.
4633 (callsite_has_enough_arguments_p): New function.
4634 (scan_function): Call decl and flags check only for IPA-SRA, check
4635 whether there is a recursive call and whether it has enough arguments.
4636 (all_callers_have_enough_arguments_p): New function.
4637 (convert_callers): Look for recursive calls only when
4638 encountered_recursive_call is set.
4639 (ipa_early_sra): Bail out either if
4640 !all_callers_have_enough_arguments_p or
4641 encountered_unchangable_recursive_call.
4643 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4645 * sel-sched.c: Add 2010 to copyright years.
4646 * sel-sched-ir.c: Likewise.
4647 * sel-sched-ir.h: Likewise.
4649 2010-01-14 Martin Jambor <mjambor@suse.cz>
4651 PR tree-optimization/42714
4652 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
4653 constructors specially.
4655 2010-01-14 Andi Kleen <ak@linux.intel.com>
4657 * config/i386/drivers-i386.c (detect_caches_intel):
4658 Add l2sizekb parameter and fill in.
4659 (host_detect_local_cpu): Add l2sizekb, fill in.
4660 Add Atom small cache heuristic.
4662 2010-01-14 Andi Kleen <ak@linux.intel.com>
4664 * config/i386/drivers-i386.c (detect_caches_cpuid4):
4665 Add level3 parameter and fill in.
4666 (detect_caches_intel): Handle level3 cache.
4668 2010-01-14 Andi Kleen <ak@linux.intel.com>
4670 * config/i386/drivers-i386.c (host_detect_local_cpu):
4671 Fix core duo detection.
4673 2010-01-14 Andi Kleen <ak@linux.intel.com>
4675 * config/i386/drivers-i386.c (host_detect_local_cpu):
4678 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4680 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
4681 (rs6000_variable_issue_1): this. Use...
4682 (rs6000_variable_issue): here. Reimplement. Print debug info.
4684 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4686 * sel-sched-ir.c (sel_restore_other_notes): Rename to
4687 sel_restore_notes. Update all callers. Call reemit_notes
4690 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4692 PR rtl-optimization/42246
4693 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
4696 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4698 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
4699 all successors is the same as number of successors in current region.
4701 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4703 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
4704 to rename is not separable. Otherwise check that its LHS is not NULL.
4706 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4708 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
4710 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4712 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
4713 available registers when failed to discover LHS register class.
4714 Fix indentation. Update comment.
4716 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4717 Alexander Monakov <amonakov@ispras.ru>
4719 PR rtl-optimization/42389
4720 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
4722 (advance_state_on_fence): Likewise.
4723 (sel_target_adjust_priority): Print debug output only when
4724 sched_verbose >= 4, not 2.
4725 (get_expr_cost): Do not issue all unique insns on the next cycle.
4726 (fill_insns): Initialize can_issue_more from the value saved
4728 * sel-sched-ir.c (flist_add): New parameter issue_more.
4729 Init FENCE_ISSUE_MORE with it.
4730 (merge_fences): Likewise.
4731 (init_fences): Update call to flist_add.
4732 (add_to_fences, add_clean_fence_to_fences)
4733 (add_dirty_fence_to_fences): Likewise.
4734 (move_fence_to_fences): Update call to merge_fences.
4735 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
4737 * sel-sched-ir.h (struct _fence): New field issue_more.
4738 (FENCE_ISSUE_MORE): New accessor macro.
4740 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4742 PR rtl-optimization/42388
4743 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
4744 that have no predecessors nor successors. Do not call move_bb_info
4745 for empty blocks outside of current region.
4747 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4749 PR rtl-optimization/42294
4750 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
4751 * sel-sched.c (move_exprs_to_boundary): Transitively add all
4752 originators' originators.
4754 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4756 PR rtl-optimization/39453
4757 PR rtl-optimization/42246
4758 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
4760 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
4762 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4763 Alexander Monakov <amonakov@ispras.ru>
4766 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
4767 (maybe_tidy_empty_bb): ... here. Make static. Add new
4768 argument. Update all callers.
4769 (tidy_control_flow): ... and here. Recompute topological order
4770 of basic blocks in region if necessary.
4771 (sel_redirect_edge_and_branch): Change return type. Return true
4772 if topological order might have been invalidated.
4773 (purge_empty_blocks): Export and move from...
4774 * sel-sched.c (purge_empty_blocks): ... here.
4775 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
4776 (maybe_tidy_empty_bb): Delete prototype.
4777 (purge_empty_blocks): Declare.
4779 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4781 PR rtl-optimization/42249
4782 * sel-sched.c (try_replace_dest_reg): When chosen register
4783 and original register is the same, do not bail out early, but
4784 still check all original insns for validity of replacing destination
4785 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
4788 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4791 Port from no-undefined-overflow branch:
4792 2009-03-09 Richard Guenther <rguenther@suse.de>
4794 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
4796 2010-01-14 Richard Guenther <rguenther@suse.de>
4799 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
4801 2010-01-14 Ira Rosen <irar@il.ibm.com>
4803 PR tree-optimization/42709
4804 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
4805 as scalar type in creation of constant vector operand.
4807 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4810 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
4811 (check-parallel-%): Match `testsuite' directory component only
4814 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
4816 PR translation/39521
4817 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
4820 2010-01-13 Richard Guenther <rguenther@suse.de>
4822 PR tree-optimization/42730
4823 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
4826 2010-01-13 Steve Ellcey <sje@cup.hp.com>
4829 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
4830 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
4833 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
4835 * config/bfin/libgcc-bfin.ver: Regenerate based on current
4836 libgcc-std.ver. Add entries for ___smulsi3_highpart and
4837 ___umulsi3_highpart.
4839 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
4840 rather than schedule_insns if the pass is enabled.
4842 2010-01-13 Martin Jambor <mjambor@suse.cz>
4844 PR tree-optimization/42704
4845 * tree-sra.c (sra_modify_assign): Do not delete assignments to
4848 2010-01-13 Martin Jambor <mjambor@suse.cz>
4850 PR tree-optimization/42703
4851 * tree-sra.c (analyze_access_subtree): Check that we can build a
4852 reference to the original data within the aggregate.
4854 2010-01-13 Richard Guenther <rguenther@suse.de>
4856 PR tree-optimization/42705
4857 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
4859 2010-01-13 Richard Guenther <rguenther@suse.de>
4862 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
4864 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4867 * var-tracking.c (values_to_unmark): New variable.
4868 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4869 values_to_unmark vector. Moved body to...
4870 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4871 instead queue it into values_to_unmark vector.
4872 (vt_find_locations): Free values_to_unmark vector.
4874 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
4876 * config/s390/s390.c (override_options): Set
4877 default of max-pending-list-length to 256
4879 2010-01-13 Richard Guenther <rguenther@suse.de>
4882 * tree-pass.h (PROP_gimple_lcx): New.
4883 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
4884 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
4885 before the final cleanup_eh.
4886 (dump_properties): Dump PROP_gimple_lcx.
4887 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
4888 (tree_lower_complex_O0): Remove.
4889 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
4890 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
4891 tree_lower_complex, schedule TODO_update_ssa.
4892 * lto-streamer-out.c (output_function): Stream the functions
4894 * lto-streamer-in.c (input_function): Likewise.
4895 (lto_read_body): Do not override them here.
4897 2010-01-12 Joseph Myers <joseph@codesourcery.com>
4900 * c-typeck.c (build_c_cast): Fold value cast to union type before
4901 wrapping it in a CONSTRUCTOR.
4903 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4905 PR rtl-optimization/42699
4906 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
4909 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4911 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4912 SUBTARGET_WARN_UNUSED_SPEC): Move ...
4913 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4914 SUBTARGET_WARN_UNUSED_SPEC): ... here
4915 * config/mips/iris5.h (LIBGCC_SPEC): Define.
4917 2010-01-12 Julian Brown <julian@codesourcery.com>
4919 * config/arm/neon-schedgen.ml (Utils): Don't try to
4920 open missing module.
4921 (find_with_result): New.
4923 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4926 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
4927 sharing when canonicalizing ({lt,ge}u (plus a b) b).
4929 PR tree-optimization/42645
4930 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
4931 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
4932 decl_map, set processing_debug_stmt to -1 and return name without
4935 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
4937 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
4938 binutils version, and reword target configuration description.
4940 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4942 * config/avr/avr.h (LINKER_NAME): Remove.
4944 2010-01-11 Janis Johnson <janis187@us.ibm.com>
4947 * config/rs6000/rs6000.c (rs6000_override_options): On targets
4948 that support VSX, warn for -mno-altivec if vsx is not disabled,
4951 2010-01-11 Joseph Myers <joseph@codesourcery.com>
4952 Shujing Zhao <pearly.zhao@oracle.com>
4954 PR translation/42469
4955 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
4956 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
4957 character between option name and help text.
4958 * c.opt (imultilib): Likewise.
4960 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
4962 * lto-streamer-out.c (output_unreferenced_globals): Output static
4965 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
4967 PR rtl-optimization/42621
4968 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
4969 optimizing for size.
4970 (duplicate_computed_gotos): Remove now-redundant check.
4972 2010-01-10 Steve Ellcey <sje@cup.hp.com>
4975 * configure.ac: Save and restore LDFLAGS and LIBS
4976 * configure: Regenerate.
4978 2010-01-10 Richard Guenther <rguenther@suse.de>
4981 * builtins.c (fold_builtin_strlen): Add type argument and
4982 convert the resulting length to it.
4983 (fold_builtin_1): Adjust.
4985 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4987 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
4988 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
4990 (num_insns_constant_wide): Adjust for that change.
4992 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4995 * web.c (union_defs): Add used argument, to combine uses of
4997 (entry_register): Adjust type and tests of used argument.
4998 (web_main): Widen used for new use. Pass it to union_defs.
4999 * df.h (union_defs): Adjust prototype.
5001 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5004 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
5005 uses in new incoming argument. Free body.
5006 (reset_debug_uses_in_loop): New.
5007 (analyze_insn_to_expand_var): Call the latter if the former found
5008 anything. Fix whitespace. Reject invalid dest overlaps before
5009 going through all insns in the loop.
5011 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5014 * haifa-sched.c (dying_use_p): Debug insns don't count.
5016 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5019 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
5020 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
5021 (verify_gimple_call): Reject LHS in noreturn calls.
5023 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5027 * tree-vect-loop-manip.c (adjust_info): New type.
5028 (adjust_vec): New pointer to vector.
5029 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
5030 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
5031 (slpeel_update_phis_for_duplicate_loop): Use them.
5032 (slpeel_update_phi_nodes_for_guard1): Likewise.
5033 (slpeel_update_phi_nodes_for_guard2): Likewise.
5034 (slpeel_tree_peel_loop_to_edge): Likewise.
5035 (vect_update_ivs_after_vectorizer): Likewise.
5037 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5039 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
5040 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
5042 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5044 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
5045 bogus uninitialized warning.
5047 2010-01-09 Richard Guenther <rguenther@suse.de>
5050 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
5051 the evolution is compatible with the initial condition.
5053 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5055 * gcc.c (process_command): Update copyright notice dates.
5056 * gcov.c (print_version): Likewise.
5057 * gcov-dump.c (print_version): Likewise.
5058 * mips-tfile.c (main): Likewise.
5059 * mips-tdump.c (main): Likewise.
5061 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5064 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
5066 (rotlhi3_8): Delete.
5068 (rotlsi3_8): Delete.
5069 (rotlsi3_16): Delete.
5070 (rotlsi3_24): Delete.
5072 (*rotw<mode>3): New.
5073 (*rotb<mode>3): New.
5074 * config/avr/avr.c (avr_rotate_bytes): New function.
5075 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
5077 2010-01-08 Steve Ellcey <sje@cup.hp.com>
5080 * configure.ac: Modify -rdynamic check.
5081 * configure: Regenerate.
5083 2010-01-08 DJ Delorie <dj@redhat.com>
5085 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
5086 register popping order.
5088 2010-01-08 Richard Guenther <rguenther@suse.de>
5091 * c.opt (fsigned-char): Also let LTO handle this option.
5092 (funsigned-char): Likewise.
5094 2010-01-07 Richard Guenther <rguenther@suse.de>
5096 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
5097 (gimple_op): Likewise.
5098 (gimple_op_ptr): Likewise.
5099 (gimple_assign_set_lhs): Remove gcc_assert.
5100 (gimple_assign_set_rhs1): Likewise.
5101 (gimple_assign_set_rhs2): Likewise.
5102 (gimple_call_set_lhs): Likewise.
5103 (gimple_call_set_fn): Likewise.
5104 (gimple_call_set_fndecl): Likewise.
5105 (gimple_call_fndecl): Likewise.
5106 (gimple_call_return_type): Likewise.
5107 (gimple_call_set_chain): Likewise.
5108 (gimple_call_num_args): Likewise.
5109 (gimple_call_set_arg): Likewise.
5110 (gimple_cond_set_code): Likewise.
5111 (gimple_cond_set_lhs): Likewise.
5112 (gimple_cond_set_rhs): Likewise.
5113 (gimple_cond_set_true_label): Likewise.
5114 (gimple_cond_set_false_label): Likewise.
5115 (gimple_label_set_label): Likewise.
5116 (gimple_goto_set_dest): Likewise.
5117 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
5118 (gimple_debug_bind_get_value): Likewise.
5119 (gimple_debug_bind_get_value_ptr): Likewise.
5120 (gimple_debug_bind_set_var): Likewise.
5121 (gimple_debug_bind_set_value): Likewise.
5122 (gimple_debug_bind_reset_value): Likewise.
5123 (gimple_debug_bind_has_value_p): Likewise.
5124 (gimple_return_retval_ptr): Remove gcc_assert.
5125 (gimple_return_retval): Likewise.
5126 (gimple_return_set_retval): Likewise.
5127 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
5128 (safe_referenced_var_iterator): Remove.
5129 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
5130 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
5131 (fill_referenced_var_vec): Remove.
5132 (first_readonly_imm_use): Remove redundant gcc_assert.
5133 (phi_arg_index_from_use): Combine gcc_asserts.
5134 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
5135 (first_imm_use_stmt): Remove redundant gcc_assert.
5136 * tree-cfg.c (verify_gimple_call): Verify function and chain
5137 operands. Verify arguments.
5138 (verify_types_in_gimple_stmt): Verify condition code and labels.
5140 2010-01-07 Richard Guenther <rguenther@suse.de>
5142 PR tree-optimization/42641
5143 * sese.c (rename_map_elt_info): Use the SSA name version, do
5146 2010-01-07 Jakub Jelinek <jakub@redhat.com>
5148 PR tree-optimization/42625
5149 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
5150 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
5152 2010-01-07 Duncan Sands <baldrick@free.fr>
5154 * Makefile.in (PLUGIN_HEADERS): Add version.h.
5156 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
5159 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
5160 note itself is not function_invariant_p.
5162 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
5164 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
5165 Do not add the DF_NOTE problem.
5166 * store-motion.c (execute_rtl_store_motion): Likewise.
5168 2010-01-07 Martin Jambor <mjambor@suse.cz>
5170 PR tree-optimization/42157
5171 * tree-sra.c (compare_access_positions): Stabilize sort if both
5172 accesses have integer types, return zero immediately if they are the
5175 2010-01-06 Richard Henderson <rth@redhat.com>
5178 * haifa-sched.c (add_to_note_list): Merge into ...
5179 (concat_note_lists): ... here, and ...
5180 (unlink_other_notes, rm_other_notes): Merge into...
5181 (remove_notes): ... here. Create REG_SAVE_NOTEs for
5182 NOTE_INSN_EPILOGUE_BEG.
5184 2010-01-06 Richard Guenther <rguenther@suse.de>
5186 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
5187 not inline regular functions into always-inline functions.
5189 2010-01-06 Nick Clifton <nickc@redhat.com>
5191 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
5192 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
5194 (OVERRIDE_OPTIONS): Delete.
5195 (OPTIMIZATION_OPTIONS): Define.
5196 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
5197 * config/rx/rx.c (rx_handle_option): Issue an error message if
5198 -mcpu=rx200 and -fpu are used together.
5199 (rx_set_optimization_options): New function. Issue an error
5200 message if an optimization attribute attempts to reset the FPU/
5201 math optimization pairing.
5202 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
5203 * config/rx/rx.opt: Set the default to 32-bit doubles.
5204 * config/rx/t-rx: Add multilibs for -nofpu option.
5205 * doc/invoke.texi: Update documentation of RX options.
5207 2010-01-06 Richard Guenther <rguenther@suse.de>
5209 * tree-ssa-pre.c (name_to_id): New global.
5210 (alloc_expression_id): Simplify SSA name handling.
5211 (lookup_expression_id): Likewise.
5212 (init_pre): Zero name_to_id.
5213 (fini_pre): Free it.
5215 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
5217 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
5219 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
5222 * config/i386/sse.md (smaxv2di3): New.
5223 (umaxv2di3): Likewise.
5224 (sminv2di3): Likewise.
5225 (uminv2di3): Likewise.
5227 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
5230 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
5231 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
5232 (legitimize_tls_address): Likewise.
5233 (sparc_tls_referenced_p): Likewise.
5234 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
5235 and adjust calls to legitimize_pic_address.
5236 (legitimate_constant_p) Use sparc_tls_referenced_p.
5237 (legitimate_pic_operand_p): Likewise.
5238 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
5239 (sparc_tls_symbol_ref_1): Delete.
5240 (sparc_tls_referenced_p): Make static, recognize specific patterns.
5241 (legitimize_tls_address): Make static, handle CONST patterns.
5242 (legitimize_pic_address): Make static, remove unused parameter and
5243 adjust recursive calls.
5244 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
5245 and adjust call to legitimize_pic_address.
5246 (sparc_output_mi_thunk): Likewise.
5248 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
5249 H.J. Lu <hongjiu.lu@intel.com>
5252 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
5253 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
5254 operands to make them signed.
5257 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5260 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
5261 GTU to GT for V4SI and V2DI.
5263 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
5264 (umin<mode>3): Removed.
5266 (uminv4si3): Likewise.
5268 2010-01-05 Martin Jambor <mjambor@suse.cz>
5270 PR tree-optimization/42462
5271 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
5272 current_function_decl to helper functions and macros.
5274 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5277 * flags.h: Don't include real.h.
5278 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
5279 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
5280 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
5281 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
5282 * dominance.c: Update copyright.
5283 * gimple.c (walk_gimple_op): Remove inline.
5284 * tree-ssa-reassoc.c: Include real.h.
5285 * Makefile.in (FLAGS_H): Remove $(REAL_H).
5286 (tree-ssa-reassoc.o): Depend on $(REAL_H).
5288 2010-01-05 Nick Clifton <nickc@redhat.com>
5290 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
5291 register to push into the stack frame when the accumulator has to
5292 be saved during interrupts.
5294 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
5296 * doc/invoke.texi: Remove the documentation about option
5298 * common.opt (Wunreachable-code): Preserved for backward
5300 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
5301 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
5302 the backward compatibility flag section.
5304 2010-01-05 Richard Guenther <rguenther@suse.de>
5306 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
5308 2010-01-05 Jakub Jelinek <jakub@redhat.com>
5311 * cfgexpand.c (expand_one_var): Diagnose too large variables.
5313 PR tree-optimization/42508
5314 * tree-sra.c (convert_callers): Check for recursive call
5315 by comparing cgraph nodes instead of decls.
5316 (modify_function): Call ipa_modify_formal_parameters also
5317 on all same_body aliases.
5319 * cgraphunit.c (cgraph_materialize_all_clones): Compare
5320 cgraph nodes when checking for same_body aliases.
5322 2010-01-05 Richard Guenther <rguenther@suse.de>
5324 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
5325 allocation and lookup.
5326 (get_or_alloc_expr_for_constant): Likewise.
5327 (phi_translate): Sink allocation.
5329 2010-01-04 Richard Guenther <rguenther@suse.de>
5331 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
5332 a new entry only if needed.
5333 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
5334 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
5336 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
5338 (phi_translate): Handle CONSTANTs early.
5340 2010-01-04 Martin Jambor <mjambor@suse.cz>
5342 PR tree-optimization/42398
5343 * tree-sra.c (struct access): Removed flag grp_different_types.
5344 (dump_access): Do not dump the removed flag.
5345 (sort_and_splice_var_accesses): Do not set the removed flag.
5346 (sra_modify_expr): Check for type compatibility directly.
5348 2010-01-04 Martin Jambor <mjambor@suse.cz>
5350 PR tree-optimization/42366
5351 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
5352 edges with variable number of parameters.
5353 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
5354 flag instead of asserting it.
5355 (ipa_read_node_info): Read uses_analysis_done flag.
5357 2010-01-04 Richard Guenther <rguenther@suse.de>
5359 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
5360 iterative_hash_* as intended.
5361 (vn_reference_compute_hash): Likewise. Simplify hashing
5363 (vn_reference_lookup_2): Likewise.
5364 (vn_nary_op_compute_hash): Likewise.
5365 (vn_phi_compute_hash): Likewise.
5366 (expressions_equal_p): Remove strange code.
5367 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
5368 (pre_expr_hash): Likewise. Simplify hashing SSA names.
5369 (bitmap_insert_into_set_1): Take value-id as parameter.
5370 (add_to_value): Pass it.
5371 (bitmap_insert_into_set): Likewise.
5372 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
5374 2010-01-04 Jakub Jelinek <jakub@redhat.com>
5377 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
5378 (do_self_spec): For switches with SWITCH_IGNORE set set also
5379 SWITCH_IGNORE_PERMANENTLY.
5380 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
5383 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
5385 * lto-streamer-out.c (output_unreferenced_globals): Output the full
5386 tree of an unreferenced global var.
5388 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5391 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
5392 GTU to GT for V4SI and V2DI.
5394 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
5395 (umin<mode>3): Removed.
5397 (uminv4si3): Likewise.
5399 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5402 * collect2.c (main): Turn on trace in collect2 if -v is passed
5405 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
5407 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
5408 description of expression operand.
5410 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
5412 * configure.ac: Add install-html to target_list for Make-hooks.
5413 * configure: Regenerate.
5414 * fortran/Make-lang.in (F95_HTMLFILES): New.
5415 (fortran.html): Use it.
5416 (fortran.install-html): New.
5417 * Makefile.in (install-html): Add lang.install-html.
5418 * java/Make-lang.in (JAVA_HTMLFILES): New.
5419 (java.html): Use it.
5420 (java.install-html): New.
5421 * objc/Make-lang.in (objc.install-html): New.
5422 * objcp/Make-lang.in (obj-c++.install-html): New.
5423 * cp/Make-lang.in (c++.install-html): New.
5424 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
5425 * lto/Make-lang.in (lto.install-html): New.
5427 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
5430 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
5432 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
5434 PR rtl-optimization/41862
5435 * store-motion.c (store_killed_in_insn, compute_store_table,
5436 remove_reachable_equiv_notes, replace_store_insn,
5437 build_store_vectors): Ignore all DEBUG_INSNs.
5439 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
5442 * common.opt: Add dumpdir.
5444 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
5446 (option_map): Add --dumpdir.
5448 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
5450 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
5452 * opts.c (decode_options): Try dump_dir_name first if
5453 dump_base_name isn't an absolute path.
5454 (common_handle_option): Handle OPT_dumpdir.
5456 * toplev.c (dump_dir_name): New.
5457 (print_switch_values): Also ignore -dumpdir.
5459 * toplev.h (dump_dir_name): New.
5461 2010-01-03 Richard Guenther <rguenther@suse.de>
5463 PR tree-optimization/42589
5464 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
5465 double-word expansion of bswap32.
5467 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
5469 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
5470 with BLOCK_FOR_INSN.
5471 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
5472 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
5473 noce_process_if_block): Likewise.
5474 * gcse.c (compute_local_properties, insert_expr_in_table,
5475 insert_set_in_table, canon_list_insert, find_avail_set,
5476 pre_insert_copy_insn): Likewise.
5478 * basic-block.h (BLOCK_NUM): Move from here...
5479 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
5481 2010-01-03 Richard Guenther <rguenther@suse.de>
5483 PR tree-optimization/42438
5484 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
5485 contains_may_not_return_call flag.
5486 (BB_MAY_NOTRETURN): New.
5487 (valid_in_sets): Trapping nary operations are not valid
5488 in blocks that may not return.
5489 (insert_into_preds_of_block): Remove check for trapping expressions.
5490 (compute_avail): Compute also BB_MAY_NOTRETURN.
5492 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
5494 * doc/invoke.texi: Add 2010 to copyright years.
5496 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
5498 * config/sparc/sparc.c: Fix formatting nits.
5500 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
5501 Alexander Monakov <amonakov@ispras.ru>
5503 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
5505 2010-01-02 Richard Guenther <rguenther@suse.de>
5508 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
5509 (simplify_switch_using_ranges): Mark to be removed edges
5512 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5514 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5516 * collect2.c (scan_libraries): Add missing argument in call to
5519 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
5522 * config/alpha/predicates.md (aligned_memory_operand): Return false
5524 (unaligned_memory_operand): Return true for CQImode.
5525 * config/alpha/alpha.c (get_aligned_mem): Assert that location
5526 doesn not cross aligned SImode word boundary.
5528 2010-01-02 Anatoly Sokolov <aesok@post.ru>
5530 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
5532 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
5533 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
5535 2010-01-02 Richard Guenther <rguenther@suse.de>
5538 * toplev.c (compile_file): Emit LTO marker properly. Change
5540 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
5542 2010-01-01 Richard Guenther <rguenther@suse.de>
5545 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
5547 2010-01-01 Richard Guenther <rguenther@suse.de>
5550 * c-decl.c (grokdeclarator): For zero-size arrays force
5551 structural equality checks as layout_type does.
5553 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
5555 * builtins.c: Update copyright to 2010.
5557 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
5560 * lto-streamer-out.c (produce_asm): Revert the last change.
5561 (copy_function): Likewise.
5563 * lto-streamer.c (lto_get_section_name): Skip any leading
5566 2010-01-01 Richard Guenther <rguenther@suse.de>
5569 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
5573 Copyright (C) 2010 Free Software Foundation, Inc.
5575 Copying and distribution of this file, with or without modification,
5576 are permitted in any medium without royalty provided the copyright
5577 notice and this notice are preserved.