PR target/53065
[official-gcc.git] / gcc / ChangeLog
blob9d55ef06477fd91e1a2ead12dc75bff02f7c26b1
1 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
3         PR target/53065
4         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
6 2012-04-24  Richard Guenther  <rguenther@suse.de>
8         PR tree-optimization/53085
9         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
10         stores.
12 2012-04-24  Richard Guenther  <rguenther@suse.de>
14         * tree-if-conv.c (main_tree_if_conversion): Move bb under
15         ENABLE_CHECKING.
17 2012-04-24  Jim Meyering  <meyering@redhat.com>
19         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
20         absence of an define_enum call.
22 2012-04-24  Richard Guenther  <rguenther@suse.de>
24         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
25         the epilogue loop is not re-used as unvectorized version
26         record the its maximum number of iterations.
28 2012-04-24  Andrew Pinski  <apinski@cavium.com>
30         * tree-ssa-forwprop.c (simplify_bitwise_binary):
31         Don't directly use def1/def2.
33 2012-04-24  Richard Guenther  <rguenther@suse.de>
35         PR tree-optimization/53098
36         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
37         comparison sign.
39 2012-04-24  Andrew Pinski  <apinski@cavium.com>
41         PR tree-opt/33512
42         * tree-ssa-forwprop.c (defcodefor_name): New function.
43         (simplify_bitwise_binary): Use defcodefor_name instead of manually
44         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
45         Simplify "(~X | Y) & X" to "X & Y" and
46         "(~X & Y) | X" to "X | Y".
48 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
50         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
51         validate_change to add clobbers if IN_GROUP is nonzero.
52         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
53         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
54         prototype.
55         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
56         set to false.
57         * config/s390/s390.c (insn_invalid_p): Likewise.
59 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
61         PR middle-end/53084
62         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
63         of MEM_REF.
64         (output_addressed_constants): Likewise.
66         PR middle-end/52999
67         * varasm.c (get_section): Don't ICE for section conflicts with
68         built-in section kinds.
70 2012-04-23  DJ Delorie  <dj@redhat.com>
72         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
73         (LIBSTDCXX): Change to CPP2.
75 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
77         PR bootstrap/52878
78         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
79         extra_masks.
81 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
83         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
84         (*addsi_2_zext): Ditto.
85         (*add<mode>_3): Ditto.
86         (*addsi_3_zext): Ditto.
87         (*add<mode>_5): Ditto.
89 2012-04-23  Andrew Pinski  <apinski@cavium.com>
91         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
92         (C & B) to (A OP0) & B.
94 2012-04-23  Martin Jambor  <mjambor@suse.cz>
96         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
97         temporaries created for a bitfield (reverting revision 122014).
99 2012-04-23  Richard Guenther  <rguenther@suse.de>
101         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
102         the condition using is_gimple_condexpr and avoid the not necessary
103         boolification.
104         (set_prologue_iterations): Likewise.
105         (vect_loop_versioning): Likewise.
107 2012-04-23  Richard Guenther  <rguenther@suse.de>
109         PR tree-optimization/53070
110         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
111         (main_tree_if_conversion): Verify we succeeded in that.
113 2012-04-23  Jan Hubicka  <jh@suse.cz>
115         * lto-symtab.c (lto_cgraph_replace_node): Do not call
116         mark_reahcable_node.
117         * cgraph.c (cgraph_remove_node): Do not clear reachable.
118         (cgraph_mark_reachable_node): Remove.
119         (cgraph_mark_force_output_node): Do not set reachable.
120         (dump_cgraph_node): Do not dump reachable.
121         (cgraph_create_virtual_clone): Do not set reachable.
122         * cgraph.h (cgraph_node): Remove reachable flag.
123         (varpool_node): Remove reachable flag.
124         (cgraph_mark_if_needed): Remove.
125         (cgraph_mark_reachable_node): Remove.
126         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
127         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
128         reachable.
129         (cgraph_add_new_function): Likewise.
130         (cgraph_mark_if_needed): Remove.
131         (cgraph_analyze_function): Do not set target as reachable.
132         (process_function_and_variable_attributes): Do not care about
133         dllexport.
134         (cgraph_analyze_functions): Do not set reachable flags.
135         (cgraph_mark_functions_to_output): Do not check reachability.
136         (cgraph_copy_node_for_versioning): Do not set reachable flag.
137         (dbxout_expand_expr): Update.
138         * c-decl.c (merge_decls): Do not track changed externs.
139         * ipa.c: Include pointer-set.h
140         (enqueue_cgraph_node): Use reachable pointer set.
141         (process_references): Likewise.
142         (cgraph_remove_unreachable_nodes): Likewise.
143         (whole_program_function_and_variable_visibility): Do not recompute
144         reachable.
145         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
147 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
149         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
151 2012-04-23  Richard Guenther  <rguenther@suse.de>
153         PR c/53060
154         * c-typeck.c (build_binary_op): Fix typo.
156 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
158         PR tree-optimizations/52891
159         * tree-vect-patterns.c (adjust_bool_pattern): Use
160         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
161         but with non-standard precision.
163 2012-04-22  Jan Hubicka  <jh@suse.cz>
165         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
166         tree refs.
168 2012-04-22  Jan Hubicka  <jh@suse.cz>
170         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
171         * cgraphbuild.c (record_reference, record_type_list, mark_address,
172         mark_load, mark_store): Do not mark varpool nodes as needed.
173         * cgraph.c (cgraph_new_nodes): Remove.
174         (cgraph_create_function_alias): Do not mark nodes as reachable.
175         (cgraph_add_thunk): Likewise.
176         (cgraph_mark_reachable_node): Do not manage the queue.
177         * cgraph.h (cgraph_node): Remove next_needed.
178         (varpool_nodes_queue): Remove next_needed and prev_needed.
179         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
180         (cgraph_new_nodes): Declare.
181         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
182         (varpool_analyze_pending_decls): Remove.
183         (varpool_analyze_node): New.
184         (varpool_mark_needed_node): Remove.
185         (varpool_first_variable, varpool_next_variable): New inlines.
186         (varpool_first_static_initializer, varpool_next_static_initializer):
187         Update.
188         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
189         (varpool_first_defined_variable): New inline.
190         (varpool_next_defined_variable): New inline
191         (FOR_EACH_VARIABLE): Reimplement.
192         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
193         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
194         needed flag.
195         * cgraphunit.c (cgraph_new_nodes): Declare here.
196         (enqueue_node): New function.
197         (cgraph_process_new_functions): update for new
198         node set; when constructing cgraph enqueue node for processing.
199         (cgraph_add_new_function): Use new node set.
200         (process_function_and_variable_attributes): Do not set varpool needed
201         flags.
202         (referred_to_p): New function.
203         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
204         when varpool is in construction.
205         (cgraph_analyze_functions): Rewrite.
206         (cgraph_expand_all_functions): Update.
207         (cgraph_output_in_order): Do not analyze pending decls; do not set
208         needed flags.
209         (cgraph_optimize): Do not analyze pending decls.
210         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
211         in other partition; do not mark node as needed.
212         * dwarf2out.c (reference_to_unused): Use analyzed flag.
213         (premark_types_used_by_global_vars_helper): Likewise.
214         * ipa.c (process_references): Do not call varpool_mark_needed_node.
215         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
216         cgrpah queues.
217         (function_and_variable_visibility): Do not mark node as needed.
218         (whole_program_function_and_variable_visibility): Likewise.
219         * Makefile.in (gt-varpool.h): No longer needed.
220         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
221         (ipa_write_summaries): Do not use needed flag.
222         * varpool.c: Do not include gt-varpool.h
223         (x_varpool_nodes_queue, x_varpool_last_needed_node,
224         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
225         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
226         Remove.
227         (varpool_remove_node): Do not update the lists.
228         (dump_varpool_node): Do not dump needed flag.
229         (varpool_enqueue_needed_node): Remove.
230         (varpool_mark_needed_node): Remove.
231         (varpool_reset_queue): Remove.
232         (varpool_finalize_decl): Move to cgraphunit.c
233         (varpool_analyze_node): New functions based on former
234         varpool_analyze_pending_decls.
235         (varpool_analyze_pending_decls): Remove.
236         (varpool_assemble_decl): Do not update the lists.
237         (enqueue_node): New function.
238         (varpool_remove_unreferenced_decls): Rewrite.
239         (varpool_empty_needed_queue): Remove.
240         (add_new_static_var): Do not mark node as needed.
241         (varpool_create_variable_alias): Handle expansion state
242         creation.
243         * except.c (output_ttype): Do not mark node as needed.
244         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
245         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
246         Likewise.
247         * tree-switch-conversion.c (build_one_array): Likewise.
249 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
251         PR c/44774
252         * doc/invoke.texi (pedantic): Rename to Wpedantic.
253         * common.opt (Wpedantic): New.
254         (pedantic): Alias Wpedantic.
255         * diagnostic.c (warning_at): Likewise.
256         * c-decl.c (diagnose_mismatched_decls): Likewise.
257         (build_array_declarator): Likewise.
258         (mark_forward_parm_decls):
259         (check_bitfield_type_and_width): Likewise.
260         (grokdeclarator): Likewise.
261         (grokfield): Likewise.
262         (finish_struct): Likewise.
263         (build_enumerator): Likewise.
264         (store_parm_decls_oldstyle): Likewise.
265         (declspecs_add_qual): Likewise.
266         (declspecs_add_type): Likewise.
267         (finish_declspecs): Likewise.
268         * c-typeck.c (composite_type): Likewise.
269         (comp_target_types): Likewise.
270         (build_array_ref): Likewise.
271         (pointer_diff): Likewise.
272         (build_unary_op): Likewise.
273         (build_conditional_expr): Likewise.
274         (build_c_cast): Likewise.
275         (convert_for_assignment): Likewise.
276         (maybe_warn_string_init): Likewise.
277         (digest_init): Likewise.
278         (pop_init_level): Likewise.
279         (set_init_index): Likewise.
280         (c_finish_goto_label): Likewise.
281         (c_finish_return): Likewise.
282         (do_case): Likewise.
283         (build_binary_op): Likewise.
284         * c-parser.c (static): Likewise.
285         (c_parser_external_declaration): Likewise.
286         (c_parser_declaration_or_fndef): Likewise.
287         (c_parser_static_assert_declaration_no_se): Likewise.
288         (c_parser_enum_specifier): Likewise.
289         (c_parser_struct_or_union_specifier): Likewise.
290         (c_parser_struct_declaration): Likewise.
291         (c_parser_alignas_specifier): Likewise.
292         (c_parser_braced_init): Likewise.
293         (c_parser_initelt): Likewise.
294         (c_parser_compound_statement_nostart): Likewise.
295         (c_parser_conditional_expression): Likewise.
296         (c_parser_alignof_expression): Likewise.
297         (c_parser_postfix_expression): Likewise.
298         (c_parser_postfix_expression_after_paren_): Likewise.
299         (c_parser_objc_class_instance_variables): Likewise.
300         (c_parser_objc_method_definition): Likewise.
301         (c_parser_objc_methodprotolist): Likewise.
303 2012-04-22  Ian Lance Taylor  <iant@google.com>
305         * godump.c (go_output_typedef): Dump size of structs.
307 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
309         Correcting transform_to_exit_first_loop + fix to PR46886
310         * tree-parloops.c (transform_to_exit_first_loop): Remove
311         setting of number of iterations according to the loop pattern.
312         Duplicate from entry to exit->src instead of loop->latch.
313         (pallelize_loops): Remove the condition preventing do-while loops.
314         * tree-cfg.c (bool bb_in_region_p): New.
315         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
316         Adjust redirection of the duplicated iteration.
318 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
320         PR bootstrap/53021
321         * rtl.def (ADDRESS): Use "i" rather than "w".
322         * rtl.h (find_base_term): Delete.
323         (may_be_sp_based_p): Declare.
324         * rtl.c (rtx_code_size): Remove ADDRESS special case.
325         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
326         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
327         * alias.c: ...here.
328         (find_base_term): Make static.
329         (may_be_sp_based_p): New function.
330         * dse.c (record_store): Use it.
331         * store-motion.c (store_killed_in_insn): Likewise.
333 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
335         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
337 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
339         PR 35441
340         * c-typeck.c (inform_declaration): New.
341         (build_function_call_vec):  Do not pretty-print
342         expressions when caret is enabled.
343         (convert_arguments): Use inform_declaration.
345 2012-04-20  Jim Meyering  <meyering@redhat.com>
347         * genmodes.c (make_complex_modes): Don't truncate a mode name of
348         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
350 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
352         PR rtl-optimization/44214
353         * fold-const.c (exact_inverse): New function.
354         (fold_binary_loc): Fold vector and complex division by constant into
355         multiply by recripocal with flag_reciprocal_math; fold vector division
356         by constant into multiply by reciprocal with exact inverse.
358 2012-04-20  Jan Hubicka  <jh@suse.cz>
360         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
361         force flags.
362         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
363         (cgraph_remove_node): Update.
364         (cgraph_mark_needed_node): Remove.
365         (cgraph_mark_force_output_node): New.
366         (dump_cgraph_node): Do not dump needed flag.
367         (cgraph_node_cannot_be_local_p_1): Update.
368         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
369         * cgraph.h (symtab_node_base): Add force_output flag.
370         (cgraph_node): Remove needed flag.
371         (varpool_node): Remove force_output flag.
372         (cgraph_mark_needed_node): Remove.
373         (cgraph_mark_force_output_node): New.
374         (cgraph_only_called_directly_or_aliased_p,
375         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
376         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
377         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
378         (cgraph_add_new_function): Update.
379         (cgraph_mark_if_needed): Update.
380         (verify_cgraph_node): Update.
381         (cgraph_analyze_function): Alias target is reachable.
382         (process_function_and_variable_attributes): Update: externally_visible
383         flag makes function reachable.
384         (cgraph_analyze_functions): Update dumping.
385         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
386         input_overwrite_node, input_varpool_node): Update streaming.
387         * lto-streamer-out.c (produce_symtab): Use force_output.
388         * ipa.c (process_references): Weakrefs must be processed.
389         (cgraph_remove_unreachable_nodes): Likewise; update for new
390         force_output flag.
391         (varpool_externally_visible_p): Weakrefs are externally visible
392         even if they are not.
393         (function_and_variable_visibility): Update; when processing alias
394         pair force the targets to be output.
395         (whole_program_function_and_variable_visility): Use
396         mark_reachable_node.
397         * trans-mem.c (ipa_tm_mark_needed_node): Remove
398         (ipa_tm_mark_force_output_node): New function.
399         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
400         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
401         aliases.
402         * varasm.c (mark_decl_referenced): Update.
403         (find_decl_and_mark_needed): Remove.
404         (find_decl): New function.
405         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
406         alias targets as needed.
407         (dump_tm_clone_pairs): Update.
408         * tree-inline.c (copy_bb): Update check.
409         * symtab.c (dump_symtab_base): Dump force_output.
410         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
411         * passes.c (execute_todo): Fix dumping.
412         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
413         (varpool_analyze_pending_decls): Alias target is reachable.
414         (varpool_create_variable_alias): Finalize weakrefs.
416 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
418         PR bootstrap/53021
419         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
420         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
421         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
422         macros instead of constants.
423         * dse.c (record_store): Check for SP ADDRESS by comparing
424         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
425         XEXP to be stack_pointer_rtx.
427 2012-04-20  Richard Guenther  <rguenther@suse.de>
429         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
430         update_call_from_tree when propagating into a call.
432 2012-04-20  Alan Modra  <amodra@gmail.com>
434         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
435         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
436         sp_offset to frame_off.  Move world save code earlier.
438 2012-04-20  Richard Guenther  <rguenther@suse.de>
440         PR tree-optimization/53050
441         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
442         Do only one transform on COND_EXPRs at the same time.
444 2012-04-19  Jan Hubicka  <jh@suse.cz>
446         * symtab.c (dump_symtab_base): Revert accidental checkin.
448 2012-04-20  Alan Modra  <amodra@gmail.com>
450         PR target/53040
451         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
452         static chain, set REST_INLINE_FPRS too.
454 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
456         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
457         nodes.
459 2012-04-20  Richard Guenther  <rguenther@suse.de>
461         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
462         loops that can never run more often than the vectorization factor.
464 2012-04-19  Jan Hubicka  <jh@suse.cz>
466         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
468 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
470         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
472 2012-04-19  Jim Meyering  <meyering@redhat.com>
474         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
475         We verified above that the string(including trailing NUL) fits in buf,
476         so just use memcpy.
478 2012-04-19  Richard Guenther  <rguenther@suse.de>
480         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
481         for dumping DECL_SECTION_NAME.
483 2012-04-19  Michael Matz  <matz@suse.de>
485         PR middle-end/52977
486         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
487         (struct tree_vector): Adjust GTY length.
488         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
490         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
491         members.
492         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
493         caller emitted the length calulation already.
494         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
495         before handling any of the fields for structs.
497 2012-04-19  Richard Guenther  <rguenther@suse.de>
499         PR tree-optimization/53031
500         * tree-vrp.c (adjust_range_with_scev): Revert back to
501         using max_loop_iterations.
503 2012-04-19  Michael Matz  <matz@suse.de>
505         * diagnostic.c (emit_diagnostic): Move va_end call after user
506         of the va_list.
507         (warning, warning_at, pedwarn, permerror): Ditto.
509 2012-04-19  Richard Guenther  <rguenther@suse.de>
511         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
512         array access.
514 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
516         PR target/53033
517         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
518         the case *(X+const).
520 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
522         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
524 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
526         PR c/52283/37985
527         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
528         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
530 2012-04-19  Richard Guenther  <rguenther@suse.de>
532         PR rtl-optimization/44688
533         * loop-iv.c (determine_max_iter): Only return max_iter.
534         (iv_number_of_iterations): Also use the recorded loop bound
535         on the maximum number of iterations.
536         * loop-unroll.c (decide_unroll_runtime_iterations): Use
537         max_iter to avoid unrolling loops that do not roll.
538         (decide_unroll_stupid): Likewise.
540 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
542         * targhooks.c (default_case_values_threshold): Fix code style nit.
544         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
545         case range and type folding from here...
546         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
547         type, as documented in tree.def.
549 2012-04-18  Jan Hubicka  <jh@suse.cz>
551         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
552         Declare.
553         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
554         cgraph hash and same comdat groups.
555         (cgraph_optimize): Verify symbol table.
556         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
557         (dissolve_same_comdat_group_list): Work on symtab nodes.
558         (function_and_variable_visibility): Dissolve variable same comdat group
559         lists, too.
560         * symtab.c: Include timevar.h
561         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
563 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
565         * tree-switch-conversion.c (info): Remove global pass info.
566         (check_range, check_process_case, check_final_bb, create_temp_arrays,
567         free_temp_arrays, gather_default_values, build_constructors,
568         array_value_type, build_one_array, build_arrays, gen_def_assigns,
569         fix_phi_nodes, gen_inbound_check): Pass info around from ...
570         (process_switch): ... here.  Unify message format.  Return a const
571         char pointer to the failure reason message.
572         (do_switchconv): Unify message format.  Update process_switch usage.
574         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
575         * tree-cfg.c (edge_to_cases): Fix documentation.
577 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
579         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
581 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
583         PR tree-optimization/52976
584         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
585         (possibly_move_powi): New function.
586         (rewrite_expr_tree): Call possibly_move_powi.
587         (rewrite_expr_tree_parallel): Likewise.
588         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
589         call add_to_ops_vec instead.
591 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
593         PR tree-optimization/52976
594         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
595         (decrement_power): Likewise.
596         (propagate_op_to_single_use): Likewise.
597         (zero_one_operation): Handle __builtin_pow* calls in linearized
598         expression trees; factor logic into propagate_op_to_single_use.
599         (undistribute_ops_list): Allow operands with repeat counts > 1.
601 2012-04-18  Richard Guenther  <rguenther@suse.de>
603         PR tree-optimization/44688
604         * cfgloop.h (record_niter_bound): Declare.
605         * tree-ssa-loop-niter.c (record_niter_bound): Export.
606         Update the estimation with the upper bound here...
607         (estimate_numbers_of_iterations_loop): ... instead of here.
608         Do not forcefully reset a recorded upper bound.
609         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
610         Record the maximum number of loop iterations of the prologue loop.
612 2012-04-18  Jan Hubicka  <jh@suse.cz>
614         * lto-symtab.c (lto_cgraph_replace_node): Update.
615         * cgraphbuild.c (record_reference, record_type_list,
616         record_eh_tables, mark_address, mark_load, mark_store): Update.
617         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
618         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
619         Update.
620         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
621         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
622         * reload.c: Fix typo in comment.
623         * rtlanal.c: Likewise.
624         * tree-emultls.c (gen_emutls_addr): Update.
625         * ipa-reference.c (analyze_function): Update.
626         * cgraphunit.c (cgraph_analyze_function,
627         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
628         Update.
629         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
630         (ipa_remove_reference): Likewise.
631         (ipa_remove_all_refering): Rename to ...
632         (ipa_remove_all_referring): ... this one; update.
633         (ipa_dump_references): Update.
634         (ipa_dump_referring): Update.
635         (ipa_clone_references): Update.
636         (ipa_clone_refering): Rename to ...
637         (ipa_clone_referring): ... this one; update.
638         (ipa_ref_cannot_lead_to_return): Update.
639         (ipa_ref_has_aliases_p): Update.
640         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
641         forward typedefs.
642         (ipa_ref_type): Remove.
643         (ipa_ref_ptr_u): Remove.
644         (ipa_ref): Remove referencing, refered, refered_index, refering_type
645         and refered_type; add referring, referred and referred_index.
646         (ipa_ref_list): Rename refering to referring.
647         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
648         ipa_clone_references, ipa_clone_referring): Update prototypes.
649         * lto-cgraph.c (referenced_from_other_partition_p): Update.
650         (lto_output_ref): Update.
651         (add_references): Update.
652         (input_varpool_node): Update.
653         (input_refs): Update.
654         * ipa-ref-inline.h (ipa_ref_node): Update.
655         (ipa_ref_varpool_node): Update.
656         (ipa_ref_referring_node): Update.
657         (ipa_ref_referring_varpool_node): Update.
658         (ipa_ref_referring_ref_list): Update.
659         (ipa_ref_referred_ref_list): Update.
660         (ipa_ref_list_first_referring): Update.
661         (ipa_empty_ref_list): Update.
662         (ipa_ref_list_refering_iterate): Rename to ...
663         (ipa_ref_list_referring_iterate): ... this one.
664         * cse.c: Update comment.
665         * ipa-utils.c (ipa_reverse_postorder): Update.
666         * tree-ssa-alias.c: Update.
667         * ipa-inline.c (reset_edge_caches): Update.
668         (update_caller_keys): Update.
669         * ipa-inline.h: Update comments.
670         * jump.c: Update comment.
671         * alias.c: Likewise.
672         * ipa.c (process_references): Update.
673         (cgraph_remove_unreachable_nodes): Likewise.
674         (ipa_discover_readonly_nonaddressable_var): Likewise.
675         (cgraph_address_taken_from_non_vtable_p): Likewise.
676         * trans-mem.c (ipa_tm_execute): Update.
677         * simplify-rtx.c: Fix comment.
678         * rtl.c: Fix comment.
679         * symtab.c (symtab_unregister_node): Update.
680         * varpool.c (dump_varpool_node): Update.
681         (varpool_analyze_pending_decls): Update.
682         (assemble_aliases): Update.
683         (varpool_for_node_and_aliases): Update.
685 2012-04-18  Richard Guenther  <rguenther@suse.de>
687         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
688         use_undefined_p parameter.
689         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
690         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
691         Likewise.
692         (estimate_numbers_of_iterations): Likewise.
693         (estimated_loop_iterations): Adjust.
694         (max_loop_iterations): Likewise.
695         (scev_probably_wraps_p): Likewise.
696         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
697         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
698         not max_loop_iterations.
699         (execute_vrp): Remove explicit number of iterations estimation.
701 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
703         * config/i386/linux-common.h: New.
705         * config.gcc: Add i386/linux-common.h before
706         all i386/linux.h and i386/linux64.h usages.
708         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
709         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
710         * config/i386/gnu-user64.h: Likewise.
712         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
713         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
714         (GNU_USER_TARGET_MATHFILE_SPEC): New.
715         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
717 2012-04-18  Jan Hubicka  <jh@suse.cz>
719         * cgraph.c (cgraph_node_name): Remove.
720         (dump_cgraph_node): Use dump_symtab_base; reformat.
721         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
722         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
723         Declare.
724         (cgraph_node_name, varpool_node_name): Remove.
725         (cgraph_node_asm_name, varpool_node_asm_name,
726         cgraph_node_name, varpool_node_name): New.
727         * tree-pass.h (TODO_dump_cgraph): Rename to ...
728         (TODO_dump_symtab): ... this one.
729         * ipa-cp (pass_ipa_cp): Update.
730         * ia-reference.c (generate_summary, read_write_all_from_decl,
731         propagate, ipa_reference_read_optimization_summary): Update.
732         * cgraphunit.c (cgraph_analyze_functions): Update.
733         (cgraph_optimize): Update.
734         * ipa-ref.c (ipa_dump_references): Update.
735         (ipa_dump_refering): Update.
736         * ipa-inline.c (pass_ipa_inline): Update.
737         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
738         * ipa.c (pass_ipa_function_visibility,
739         pass_ipa_whole_program_visibility): Update.
740         * tree-sra.c (pass_early_ipa_sra): Update.
741         * symtab.c: Include langhooks.h
742         (symtab_node_asm_name): New.
743         (symtab_node_name): New.
744         (symtab_type_names): New static var.
745         (dump_symtab_base): New.
746         (dump_symtab_node, dump_symtab): New.
747         (debug_symtab_node,  debug_symtab): New.
748         * tree-ssa-structalias.c: Dump symbol table.
749         * pases.c (execute_todo): Handle TODO_dump_symtab instead
750         of TODO_dump_cgraph.
751         * varpoo.c (varpool_node_name): Remove.
752         (dump_varpool_node): Use dump_symtab_base; reformat.
754 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
756         * doc/invoke.texi (Language Independent Options): @item should be
757         before @opindex.
759 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
761         PR bootstrap/53021
762         * rtl.c (rtx_code_size): Handle ADDRESS.
764 2012-04-17  Tom de Vries  <tom@codesourcery.com>
766         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
767         is not a STMT_LIST.
769 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
771         PR target/53020
772         * config/i386/sync.md (atomic_<code><mode>): Rename to
773         atomic_<logic><mode>.
775 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
777         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
778         * alias.c (reg_base_value): Expand and update comment.
779         (arg_base_value): New variable.
780         (unique_id): Move up file.
781         (unique_base_value, unique_base_value_p, known_base_value_p): New.
782         (find_base_value): Use arg_base_value and known_base_value_p.
783         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
784         (find_base_term): Use known_base_value_p.
785         (base_alias_check): Use unique_base_value_p.
786         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
787         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
789 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
791         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
793 2012-04-17  Michael Matz  <matz@suse.de>
795         PR tree-optimization/18437
796         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
797         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
798         (vect_check_strided_load): Declare.
799         * tree-vect-data-refs.c (vect_check_strided_load): New function.
800         (vect_analyze_data_refs): Use it to accept strided loads.
801         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
803 2012-04-17  Richard Guenther  <rguenther@suse.de>
805         PR middle-end/53011
806         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
807         loops when redirecting an entry or latch edge.
809 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
811         * sel-sched.c (sel_global_init): Revert previous change.
813 2012-04-17  Richard Guenther  <rguenther@suse.de>
815         * tree-flow.h (array_at_struct_end_p): Move declaration ...
816         * tree.h (array_at_struct_end_p): ... here.
817         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
818         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
820 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
822         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
823         COST_TABLE): Remove.
824         (estimate_case_costs): Remove.
825         (expand_case): Do not call estimate_case_costs
826         to set use_cost_table.
827         (balance_case_nodes): Do not use use_cost_table.
829 2012-04-16  Jan Hubicka  <jh@suse.cz>
831         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
832         (hash_node, eq_node): Remove.
833         (cgraph_create_node): Do not handle hashtable.
834         (cgraph_get_node): Remove.
835         (cgraph_insert_node_to_hashtable): Remove.
836         (hash_node_by_assembler_name): Remove.
837         (eq_assembler_name): Remove.
838         (cgraph_node_for_asm): Rewrite.
839         (cgraph_find_replacement_node): Break out from ...
840         (cgraph_remove_node): ... here; do not maintain hashtables.
841         (change_decl_assembler_name): Remove.
842         (cgraph_clone_node): Do not maintain hashtables.
843         * cgraph.h (const_symtab_node): New typedef.
844         (cgraph_insert_node_to_hashtable): Remove.
845         (symtab_get_node, symtab_node_for_asm,
846         symtab_insert_node_to_hashtable): Declare.
847         (cgraph_find_replacement_node): Declare.
848         (cgraph_get_node, varpool_get_node): Turn into inlines.
849         (cgraph, varpool): Work sanely on NULL pointers.
850         (FOR_EACH_SYMBOL): New walker.
851         * ipa-inline-transform.c (save_inline_function_body): Use
852         symtab_insert_node_to_hashtable.
853         * symtab.c: Include ggc.h and diagnostics.h
854         (symtab_hash, assembler_name_hash): New static vars;
855         (hash_node, eq_node, hash_node_by_assembler_name,
856         eq_assembler_name, insert_to_assembler_name_hash,
857         unlink_from_assembler_name_hash): New.
858         (symtab_register_node): Update hashtables.
859         (symtab_insert_node_to_hashtable): New.
860         (symtab_unregister_node): Update hashtables.
861         (symtab_get_node): New.
862         (symtab_node_for_asm): New.
863         (change_decl_assembler_name): New.
864         * Makefile.in (symtab.o): Needs GTY.
865         * varpool.c (varpool_hash): Remove.
866         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
867         (varpool_node): Rewrite using varpool_get_node.
868         (varpool_remove_node): DO not maintain hashtables.
869         (varpool_node_for_asm): Rewrite.
871 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
873         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
874         when describing the current behavior of GCC.
876 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
878         * genemit.c (gen_exp): Remove ADDRESS handling.
879         * genoutput.c (scan_operands): Likewise.
880         * genpeep.c (match_rtx): Likewise.
881         * genrecog.c (add_to_sequence): Likewise.
883 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
885         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
887 2012-04-16  Martin Jambor  <mjambor@suse.cz>
889         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
890         bit-fields.
892 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
894         PR target/51819
895         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
896         hints for 'A' operand types.
898 2012-04-16  Jan Hubicka  <jh@suse.cz>
900         * cgraph.h (symtab_node_base): Add next and previous pointers.
901         (cgraph_node): Remove next and preivous pointers.
902         (varpool_node): Likewise; remove next/previous GTY marker;
903         it is not type safe.
904         (symtab_node_def): Update GTY marker
905         (x_cgraph_nodes, cgraph_nodes): Remove.
906         (symtab_nodes): New function.
907         (cgraph_order): Rename to ...
908         (symtab_order): ... this one.
909         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
910         Declare.
911         (x_varpool_nodes, varpool_nodes): Remove.
912         (FOR_EACH_STATIC_VARIABLE): Update.
913         (symtab_function_p, symtab_variable_p): New function.
914         (FOR_EACH_VARIABLE): Update.
915         (varpool_first_variable, varpool_next_variable): New functions.
916         (FOR_EACH_VARIABLE): Update.
917         (cgraph_first_defined_function): Update.
918         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
919         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
920         (cgraph_first_function, cgraph_next_function): New.
921         (FOR_EACH_FUNCTION): Update.
922         (cgraph_first_function_with_gimple_body,
923         cgraph_next_function_with_gimple_body): Update.
924         * symtab.c: New file.
925         * cgraph.c: Update copyright dates.
926         (x_cgraph_nodes, cgraph_order): Remove.
927         (NEXT_FREE_NODE): Update.
928         (SET_NEXT_FREE_NODE): New.
929         (cgraph_create_node_1): Remove common code.
930         (cgraph_create_node): Remove common code; call symtab_register_node.
931         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
932         (cgraph_add_asm_node): Update.
933         (cgraph_clone_node): Register new node.
934         * cgraphunit.c (process_function_and_variable_attributes): Update.
935         (cgraph_analyze_functions): Update.
936         (cgraph_analyze_functions): Update.
937         (cgraph_output_in_order): Update.
938         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
939         Update.
940         * ipa-inline.c (recursive_inlining): Update.
941         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
942         * ipa.c (cgraph_remove_unreachable_nodes): Update.
943         * Makefile.in: Add symtab.o
944         * varpool.c (x_varpool_nodes): Remove
945         (varpool_node): Remove common code; call symtab_register_node.
946         (varpool_remove_node): Remove common code; call symtab_unregister_node.
948 2012-04-16  Richard Guenther  <rguenther@suse.de>
950         PR middle-end/52977
951         * tree.h (VECTOR_CST_NELTS): Adjust.
952         (struct tree_vector): Add explicit length field.
953         (make_vector_stat): Declare.
954         (make_vector): Define.
955         * tree.c (make_vector_stat): New function.
956         (build_vector_stat): Use it.
957         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
959 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
961         PR tree-optimization/52976
962         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
963         (undistribute_ops_list): Ops with repeat counts aren't eligible for
964         undistribution.
965         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
967 2012-04-16  Jan Hubicka  <jh@suse.cz>
969         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
970         New macros.
971         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
972         walkers to walk cgraph and varpool.
973         * cgraph.c (cgraph_node_for_asm): Likewise.
974         (dump_cgraph): Likewise.
975         * value-prof.c (init_node_map): Likewise.
976         * tree.c (free_lang_data_in_cgraph): Likewise.
977         * tree-emutls.c: (ipa_lower_emutls): Likewise.
978         * ipa-reference.c (generate_summary, propagate): Likewise.
979         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
980         cgraph_mark_functions_to_output, cgraph_output_in_order,
981         output_weakrefs, cgraph_materialize_all_clones,
982         cgraph_optimize): Likewise.
983         * lto-cgraph.c (merge_profile_summaries): Likewise.
984         (input_cgraph): Likewise.
985         * ipa-pure-const.c (generate_summary): Likewise.
986         (propagate): Likwise.
987         * ipa-utils.c (ipa_reduced_postorder): Likewise.
988         (ipa_free_postorder_info): Likewise.
989         (ipa_reverse_postorder): Likewise.
990         * ipa-inline.c (ipa_inline): Likewise.
991         * matrix-reorg.c (find_matrices_decl): Likewise.
992         (matrix_reorg): Likewise.
993         * tree-vectorizer.c (increase_alignment): Likewise.
994         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
995         (function_and_variable_visibility): Likewise.
996         (whole_program_function_and_variable_visibility): Likewise.
997         (ipa_cdtor_merge): Likewise.
998         * trans-mem.c (ipa_tm_execute): Likewise.
999         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
1000         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
1001         (ipa_print_all_params): Likewise.
1002         (ipa_update_after_lto_read): Likewise.
1003         * tree-profie.c (tree_profiling): Likewise.
1004         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1005         * passes.c (dump_passes): Likewise.
1006         (do_per_function): Likewise.
1007         (ipa_write_summaries): Likewise.
1008         * varpool.c (dump_varpool): Likewise.
1009         (varpool_node_for_asm): Likewise.
1010         (varpool_assemble_pending_decls): Likewise.
1012 2012-04-16  Richard Guenther  <rguenther@suse.de>
1014         PR tree-optimization/52975
1015         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
1016         condition but always mark it with TRUTH_NOT_EXPR.
1018 2012-04-16  Richard Guenther  <rguenther@suse.de>
1020         PR tree-optimization/52975
1021         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
1022         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
1023         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
1024         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
1026 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
1028         * config/i386/sse.md (ssse3_plusminus): New code iterator.
1029         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
1030         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
1031         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
1032         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
1033         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
1034         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
1036         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
1037         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
1038         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
1039         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
1040         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
1041         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
1043         (xop_plus): New code iterator.
1044         (macs): New code attribute.
1045         (macds): Ditto.
1046         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
1047         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
1048         iterator.
1049         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
1050         xop_plus code iterator.
1051         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
1052         xop_plus code iterator.
1053         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
1054         xop_plus code iterator.
1055         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
1056         xop_plus code iterator.
1058         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
1059         any_extend code iterator.
1060         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
1061         any_extend code iterator.
1062         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
1063         any_extend code iterator.
1064         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
1065         any_extend code iterator.
1066         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
1067         any_extend code iterator.
1068         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
1069         any_extend code iterator.
1071 2012-04-14  Tom de Vries  <tom@codesourcery.com>
1073         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
1074         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
1075         DELETED_LABEL note, and move it to ...
1076         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
1077         (delete_insn_and_edges): Likewise.
1078         (delete_insn_chain): Handle new return type of delete_insn.  Delete
1079         chain backwards rather than forwards.
1080         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
1081         void.
1082         * cfglayout.c (fixup_reorder_chain): Delete unused label.
1084 2012-04-14  Jan Hubicka  <jh@suse.cz>
1086         * cgraph.h: Update copyrights;
1087         (symtab_node): Turn to union typedef.
1088         (symtab_node_base): New structure.
1089         (symtab_type): Add SYMTAB_SYMBOL tag.
1090         (cgraph_node): Annotate some pinters with nested_ptr.
1091         (varpool_node): Likewise.
1092         (cgraph_local_info): Remove lto_file_data
1093         and externally_visible.
1094         (cgraph_node): Remove decl; same_comdat_group list;
1095         aux; ref_list; order; address_taken; reachable_from_other_parittion,
1096         in_other_partition; resolution.
1097         (varpool_node): Remove decl; same_comdat_group;
1098         ref_list; lto_file_data; aux; order; resolution; externally_visible;
1099         used_from_other_partition; in_other_partition.
1100         (symtab_node_def): New union.
1101         (cgraph, varpool): Update.
1102         (varpool_first_static_initializer, varpool_next_static_initializer,
1103         cgraph_only_called_directly_or_aliased_p,
1104         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
1105         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
1106         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
1107         field references.
1108         * cgraph.c: Likewise.
1109         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
1110         * cgraphbuild.c: Likewise.
1111         * lto-symtab.c: Likewise.
1112         * c-gimplify.c: Likewise.
1113         * value-prof.c: Likewise.
1114         * tree.c: Likewise.
1115         * ipa-cp.c: Likewise.
1116         * tree-emutls.c: Likewise.
1117         * ipa-inline-transform.c: Likwise.
1118         * ipa-reference.c: Likewise.
1119         * cgraphunit.c: Likewise.
1120         * ipa-ref.c: Likewise.
1121         * lto-cgraph.c: Likewise.
1122         * ipa-ref-inline.h: Likewise.
1123         * ipa-pure-const.c: Likewise.
1124         * lto-streamer-out.c: Likewise.
1125         * ipa-utils.c: Likewise.
1126         * ipa-inline.c: Likewise.
1127         * matrix-reorg.c: Likewise.
1128         * tree-eh.c: Likewise.
1129         * tree-vectorizer.c: Likewise.
1130         * ipa-split.c: Likewise.
1131         * ipa.c: Likewise.
1132         * trans-mem.c: Likewise.
1133         * ipa-inline-analysis.c: Likewise.
1134         * gimplify.c: Likewise.
1135         * cfgexpand.c: Likewise.
1136         * tree-sra.c: Likewise.
1137         * ipa-prop.c: Likewise.
1138         * varasm.c: Likewise.
1139         * tree-nested.c: Likewise.
1140         * tree-inline.c: Likewise.
1141         * tree-profile.c: Likewise.
1142         * tree-ssa-structalias.c: Likewise.
1143         * passes.c: Likewise.
1144         * varpool.c: Likewise.
1146 2012-04-14  Tom de Vries  <tom@codesourcery.com>
1148         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
1149         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
1150         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
1151         of find_edge.
1152         (gsi_advance_fw_nondebug_nonlocal): New function.
1153         (local_def): Removed function.
1154         (same_succ_hash): Use stmt_local_def.
1155         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
1156         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
1158 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1160         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1161         and __ILP32__ for x32.
1163 2012-04-13  Martin Jambor  <mjambor@suse.cz>
1165         PR middle-end/52939
1166         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1167         fold_ctor_reference returns a zero constant.
1169 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
1171         * config.gcc: Add i386/gnu-user-common.h before all
1172         i386/gnu-user.h and i386/gnu-user64.h usages.
1174         * config/i386/gnu-user-common.h: New.
1176         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
1177         (CC1_SPEC): Likewise.
1178         (ENDFILE_SPEC): Likewise.
1179         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
1180         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
1181         (TARGET_OS_CPP_BUILTINS): Likewise.
1182         (LIBGCC2_HAS_TF_MODE): Likewise.
1183         (LIBGCC2_TF_CEXT): Likewise.
1184         (TF_SIZE): Likewise.
1185         (TARGET_ASM_FILE_END): Likewise.
1186         (STACK_CHECK_MOVING_SP): Likewise.
1187         (STACK_CHECK_STATIC_BUILTIN): Likewise.
1188         * config/i386/gnu-user64.h: Likewise.
1190 2012-04-13  Martin Jambor  <mjambor@suse.cz>
1192         * expr.c (expand_expr_real_1): Pass type, not the expression, to
1193         set_mem_attributes for a memory temporary. Do not call the function
1194         for the memory temporary created for a bitfield.
1196 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
1198         PR debug/48866
1199         * df.h (enum debug_temp_where): New.
1200         (dead_debug_init, dead_debug_finish) Declare.
1201         (dead_debug_add, dead_debug_insert_temp): Declare.
1202         (struct dead_debug_use, struct dead_debug): Moved from...
1203         * df-problems.c: ... here.
1204         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
1205         to a debug temp.
1206         (df_create_unused_note): Likewise.
1207         (df_set_dead_notes_for_mw): Move comment where it belongs.
1208         (dead_debug_init): Export.
1209         (dead_debug_reset_uses): New, factored out of...
1210         (dead_debug_finish): ...this.  Export.
1211         (dead_debug_reset): Remove.
1212         (dead_debug_add): Export.
1213         (dead_debug_insert_before): Rename to...
1214         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
1215         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
1216         Return insertion count.
1217         (df_note_bb_compute): Adjust.
1218         * dce.c (word_dce_process_block): Adjust dead debug uses.
1219         (dce_process_block): Likewise.
1221 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
1223         * df-problems.c (df_note_bb_compute): Do not take note of
1224         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
1226 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
1228         PR debug/51570
1229         * var-tracking.c (expand_depth): New type.
1230         (onepart_aux, expand_loc_callback_data): Change depth type to it.
1231         (loc_exp_dep_alloc): Adjust initializer.
1232         (update_depth): Use new type.  Add entryvals.
1233         (vt_expand_var_loc_chain): Take note of expansions with
1234         ENTRY_VALUEs, but don't accept them right away.  Run an optional
1235         second pass accepting the minimum ENTRY_VALUE count found in the
1236         first pass.
1237         (vt_expand_loc_callback, INIT_ELCD): Adjust.
1239 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1241         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1242         parameters vuse and vuse_escaped.
1243         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1244         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1245         vuse1 != vuse2.
1247 2012-04-13  Richard Guenther  <rguenther@suse.de>
1249         PR tree-optimization/52969
1250         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1251         the condition for the COND_EXPR and handle predicate negation
1252         by swapping the COND_EXPR arms.
1254 2012-04-13  Nick Clifton  <nickc@redhat.com>
1256         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
1257         TODO_dump_func flag.
1259 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
1261         PR rtl-optimization/52203
1262         PR rtl-optimization/52715
1264         Revert the 2012-03-07 fix for PR 52203.
1265         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
1266         the insn does not modify DFA right before issuing, adjust
1267         issue_rate accordingly.
1269 2012-04-13  Richard Guenther  <rguenther@suse.de>
1271         PR c/52549
1272         * c-typeck.c (pointer_diff): Remove bogus assert.
1274 2012-04-13  Richard Guenther  <rguenther@suse.de>
1276         PR c/52862
1277         * convert.c (convert_to_pointer): Remove special-casing of zero.
1279 2012-04-13  Joey Ye  <joey.ye@arm.com>
1281         * config/arm/constraints.md (Pe): New constraint.
1282         * config/arm/arm.md: New split for imm 256-510.
1284 2012-04-13  Terry Guo  <terry.guo@arm.com>
1286         * config/arm/arm-cores.def: Added core cortex-m0plus.
1287         * config/arm/arm-tune.md: Regenerated.
1288         * config/arm/arm-tables.opt: Regenerated.
1289         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
1291 2012-04-13  Alan Modra  <amodra@gmail.com>
1293         PR target/52828
1294         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
1295         tie regs on destination of sets.  Delete forward declaration.
1296         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
1297         (rs6000_emit_prologue): Likewise.
1298         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
1299         and gen_stack_tie.
1300         (is_mem_ref): Use tie_operand to recognise stack ties.
1301         * config/rs6000/predicates.md (tie_operand): New.
1302         * config/rs6000/rs6000.md (restore_stack_block): Generate new
1303         stack tie rtl.
1304         (restore_stack_nonlocal): Likewise.
1305         (stack_tie): Update.
1306         (frame_tie): Delete.
1308 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1310         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
1311         HOST_WIDE_INT_PRINT_DEC in format strings.
1313 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1315         PR target/52932
1316         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1317         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1318         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
1319         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
1320         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1321         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
1322         avx2_permvarv8si using VI4F_256 mode iterator.
1323         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1324         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1325         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1326         gen_avx2_permvarv8sf.
1327         (expand_vec_perm_pshufb): Ditto.
1329 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1331         PR target/52775
1332         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1333         the list of options to enable the FCFID instruction.
1334         (TARGET_EXTRA_BUILTINS): Adjust comment.
1336 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1338         PR tree-optimization/18589
1339         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
1340         (operand_entry): Add count field.
1341         (add_repeat_to_ops_vec): New function.
1342         (completely_remove_stmt): Likewise.
1343         (remove_def_if_absorbed_call): Likewise.
1344         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
1345         (acceptable_pow_call): New function.
1346         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
1347         entries with repeat counts when found.
1348         (repeat_factor_d): New struct and associated typedefs.
1349         (repeat_factor_vec): New static vector variable.
1350         (compare_repeat_factors): New function.
1351         (get_reassoc_pow_ssa_name): Likewise.
1352         (attempt_builtin_powi): Likewise.
1353         (reassociate_bb): Call attempt_builtin_powi.
1354         (fini_reassoc): Two new calls to statistics_counter_event.
1356 2012-04-12  Richard Guenther  <rguenther@suse.de>
1358         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
1359         * cgraph.h (tree_rest_of_compilation): Remove.
1360         * cgraph.c (cgraph_add_new_function): Move ...
1361         * cgraphunit.c (cgraph_add_new_function): ... here.
1362         (tree_rest_of_compilation): Make static.
1363         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
1364         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
1365         gate_all_early_local_passes, execute_all_early_local_passes,
1366         pass_early_local_passes, gate_all_early_optimizations,
1367         pass_all_early_optimizations): Move ...
1368         * passes.c (gate_all_optimizations, pass_all_optimizations,
1369         gate_all_early_local_passes, execute_all_early_local_passes,
1370         pass_early_local_passes, gate_all_early_optimizations,
1371         pass_all_early_optimizations): ... here.
1372         * tree-optimize.c (execute_free_datastructures): Remove.
1373         * tree-flow.h (execute_free_datastructures): Remove.
1374         * tree-optimize.c (execute_init_datastructures,
1375         pass_init_datastructures): Move ...
1376         * tree-ssa.c (execute_init_datastructures,
1377         pass_init_datastructures): ... here.
1378         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
1379         execute_free_datastructures.
1381 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
1383         * dbgcnt.def (ira_move): New counter.
1384         * ira-int.h (ira_create_new_reg): Declare function.
1385         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
1386         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
1387         no longer static.  All callers changed.
1388         * ira.c: Include "dbgcnt.h".
1389         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
1390         move_unallocated_pseudos): New static functions.
1391         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
1392         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
1393         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
1394         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
1395         to the pseudos generated in find_moveable_pseudos.
1396         * Makefile.in (ira.o): Add $(DBGCNT_H).
1398 2012-04-12  Richard Guenther  <rguenther@suse.de>
1400         PR tree-optimization/52943
1401         * tree-chrec.h (chrec_is_positive): Remove.
1402         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1403         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1404         Return false for a constant zero instead of negative.
1405         (analyze_siv_subscript_cst_affine): Handle zero difference
1406         in the initial condition explicitely.
1408 2012-04-12  Richard Guenther  <rguenther@suse.de>
1410         * tree-parloops.c (parallelize_loops): Also consult the upper
1411         bound for the number of iterations.
1412         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
1413         (loop_prefetch_arrays): Likewise.
1415 2012-04-12  Richard Guenther  <rguenther@suse.de>
1417         * cfgloop.h (estimated_loop_iterations_int): Ditch
1418         'conservative' parameter.
1419         (max_stmt_executions_int): Likewise.
1420         (estimated_loop_iterations): Likewise.
1421         (max_stmt_executions): Likewise.
1422         (max_loop_iterations): Declare.
1423         (max_loop_iterations_int): Likewise.
1424         (estimated_stmt_executions): Likewise.
1425         (estimated_stmt_executions_int): Likewise.
1426         * tree-ssa-loop-niter.c (estimated_loop_iterations):
1427         Split parts to ...
1428         (max_loop_iterations): ... this.
1429         (estimated_loop_iterations_int): Split parts to ...
1430         (max_loop_iterations_int): ... this.
1431         (max_stmt_executions_int): Split parts to ...
1432         (estimated_stmt_executions_int): ... this.
1433         (max_stmt_executions): Split parts to ...
1434         (estimated_stmt_executions): ... this.
1435         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
1436         * predict.c (predict_loops): Likewise.
1437         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
1438         (analyze_siv_subscript_cst_affine): Likewise.
1439         (compute_overlap_steps_for_affine_1_2): Likewise.
1440         (analyze_subscript_affine_affine): Likewise.
1441         (init_omega_for_ddr_1): Likewise.
1442         * tree-parloops.c (parallelize_loops): Likewise.
1443         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
1444         (may_eliminate_iv): Likewise.
1445         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
1446         (loop_prefetch_arrays): Likewise.
1447         * tree-vrp.c (adjust_range_with_scev): Likewise.
1449 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
1451         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
1452         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
1453         Fix line width.
1454         (dump_table): Use bool type for need_align and have_df variables.
1455         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
1456         (regs_used): Remove register modifier.
1457         (barrier_align): Move variables slot, credit, jump_to_next
1458         into if block above for loop.  Use bool type for jump_to_next.
1459         (sh_function_arg): Use NULL_RTX instead of 0.
1461 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
1463         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
1464         (bswapsi2): New expander.
1466 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
1468         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
1469         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
1471 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
1473         PR rtl-optimization/52876
1474         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
1475         Don't call mark_reg_pointer for incompatible pointer sign extension.
1477         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
1478         directly.
1480 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
1482         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
1483         comparisons against TYPE_PRECISION.
1484         * tree-ssa-forwprop.c (combine_conversions): Likewise.
1486 2012-04-11  Xinliang David Li  <davidxl@google.com>
1488         * tree-passes.h: Remove TODO_dump_func.
1489         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
1490         * trans-mem.c: Remove TODO_dump_func.
1491         * ira.c: Remove TODO_dump_func.
1493 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
1495         * config/i386/i386.c (ix86_option_override_internal): Check
1496         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
1497         after TARGET_64BIT is updated.
1499 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
1501         * config/sh/sh.h: Remove old secondary reload code.
1503 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
1505         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
1506         (ready_reorder): ... this function.
1508 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
1510         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
1511         sched_init calls.
1513         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
1514         insns so that no other insn is queued for a time before them.
1516         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
1517         unknown.
1519 2012-04-11  Richard Guenther  <rguenther@suse.de>
1521         PR middle-end/52621
1522         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1523         consider loop nesting.
1524         (evolution_function_is_univariate_p): Properly check the remainder
1525         for chrecs.
1527 2012-04-11  Richard Guenther  <rguenther@suse.de>
1529         PR middle-end/52918
1530         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
1532 2012-04-11  Nick Clifton  <nickc@redhat.com>
1534         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
1535         information, if requested.
1537         * config/rx/rx.c (rx_expand_prologue): Likewise.
1539 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
1540             Michael Matz  <matz@suse.de>
1542         PR target/16458
1543         * rtlanal.c (unsigned_reg_p): New function.
1544         Update copyright notice dates.
1545         * rtl.h (unsigned_reg_p): Prototype it.
1546         Update copyright notice dates.
1547         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
1548         Update comment.
1549         * expr.c (expand_expr_real_1): Set register attributes.
1550         * stmt.c (expand_case): Likewise.
1552 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
1554         PR target/50751
1555         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
1556         consider_sh2a and allow_zero.
1557         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
1558         (disp_addr_displacement): New function.
1559         (sh_address_cost): Use disp_addr_displacement function instead
1560         of DISP_ADDR_OFFSET.
1561         (sh_legitimate_address_p): Adapt to changed
1562         sh_legitimate_index_p declaration.
1563         (sh_find_mov_disp_adjust): Remove HImode check.
1564         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
1565         disp_addr_displacement and max_mov_insn_displacement.
1566         (max_mov_insn_displacement): Remove HImode check.
1567         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
1568         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
1569         * config/sh/constraints.md (K05, K13): New constraints.
1570         (K12): Correct comment.
1571         (Sdd): Do not use DISP_ADDR_P macro.
1572         (Snd, Sbw): Use satisfies_constraint_Sdd.
1573         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
1574         (*extendhisi2_compact, movhi_i): Remove.
1575         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
1576         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
1577         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
1578         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
1579         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
1580         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
1581         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
1582         CONST_OK_FOR_Kxx.
1583         Add new peepholes for HImode displacement addressing.
1585 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
1587         * config/sh/sh.h (SIDI_OFF): Remove.
1588         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
1589         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
1590         or operand_subword.
1592 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
1594         PR target/52624
1595         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
1596         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
1597         * doc/md.texi (Standard Names): Add bswap.
1598         * builtin-types.def (BT_UINT16): New primitive type.
1599         (BT_FN_UINT16_UINT16): New function type.
1600         * builtins.def (BUILT_IN_BSWAP16): New.
1601         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
1602         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
1603         expand_builtin_bswap.
1604         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
1605         (fold_builtin_1): Likewise.
1606         (is_inexpensive_builtin): Likewise.
1607         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
1608         missing bits for bswap to libcall code.
1609         * tree.c (build_common_tree_nodes): Build uint16_type_node.
1610         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
1611         (uint16_type_node): New define.
1612         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
1613         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
1614         above builtin.
1615         (rs6000_init_builtins): Likewise.
1616         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
1618 2012-04-11  Tristan Gingold  <gingold@adacore.com>
1620         * doc/extend.texi (Type Attributes): Move paragraph.
1622 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1624         PR 24985
1625         * diagnostic.h (show_caret): Declare.
1626         (caret_max_width): Declare.
1627         (diagnostic_show_locus): Declare.
1628         * diagnostic.c (diagnostic_initialize): Initialize to false.
1629         (diagnostic_show_locus): New.
1630         (diagnostic_report_diagnostic): Call it.
1631         (getenv_columns): New.
1632         (adjust_line): New.
1633         (diagnostic_set_caret_max_width): New.
1634         * input.c (read_line): New.
1635         (location_get_source_line): New.
1636         * input.h (location_get_source_line): Declare.
1637         * toplev.c (general_init): Initialize show_caret from options.
1638         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
1639         * opts.c (common_handle_option): Likewise.
1640         * pretty-print.h (pp_get_prefix): New.
1641         (pp_base_get_prefix): New.
1642         * common.opt (fdiagnostics-show-caret): New option.
1643         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
1645 2012-04-11  Richard Guenther  <rguenther@suse.de>
1647         PR rtl-optimization/52881
1648         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
1650 2012-04-11  Richard Guenther  <rguenther@suse.de>
1652         PR tree-optimization/52912
1653         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
1654         manipulation code we are threading through a loop header
1655         to an exit destination.
1657 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1659         * tree.h (warn_if_unused_value): Move declaration from here.
1660         * stmt.c (warn_if_unused_value): Move definition from here.
1662 2010-04-10  Michael Matz  <matz@suse.de>
1664         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
1665         grouped_stores.
1666         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
1667         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
1668         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
1669         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
1670         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
1671         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
1672         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
1673         (vect_record_strided_load_vectors): Rename to
1674         vect_record_grouped_load_vectors.
1675         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
1676         Rename use of above macros.
1677         (vect_verify_datarefs_alignment): Ditto.
1678         (vector_alignment_reachable_p): Ditto.
1679         (vect_peeling_hash_get_lowest_cost): Ditto.
1680         (vect_enhance_data_refs_alignment): Ditto.
1681         (vect_analyze_group_access): Ditto and rename stride to groupsize.
1682         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
1683         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
1684         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
1685         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
1686         (vect_record_strided_load_vectors): Rename to
1687         vect_record_grouped_load_vectors.
1688         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
1689         (destroy_loop_vec_info): Ditto.
1690         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
1691         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
1692         (vect_analyze_slp): Ditto.
1693         (new_bb_vec_info): Ditto.
1694         (destroy_bb_vec_info): Ditto.
1695         (vect_schedule_slp_instance): Ditto and rename strided_store to
1696         grouped_store.
1697         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
1698         vect_cost_group_size.
1699         (vect_model_store_cost): Rename use of above macros and call
1700         to vect_cost_strided_group_size.
1701         (vect_model_load_cost): Ditto.
1702         (vectorizable_store): Ditto, rename strided_store to grouped_store
1703         and calls to renamed tree-vectorizer.h functions.
1704         (vectorizable_load): Ditto.
1705         (vect_transform_stmt): Rename use of above macros and strided_store
1706         to grouped_store.
1708 2012-04-10  Jan Hubicka  <jh@suse.cz>
1710         * cgraph.h: Remove misledaing comment on ipa-ref.h.
1711         (symtab_type): New enum.
1712         (symtab_node): New structure.
1713         (cgraph_node, varpool_node): Add symbol base type.
1714         (cgraph, varpool): New accestor functions.
1715         * cgraph.c (cgraph_create_node_1): Set symbol type.
1716         * varpool.c (varpool_node): Set symbol type.
1718 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1719             Richard Sandiford  <rdsandiford@googlemail.com>
1721         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
1723 2012-04-10  Richard Guenther  <rguenther@suse.de>
1725         PR middle-end/52888
1726         * gimple-low.c (gimple_check_call_args): Properly account for
1727         compatible aggregate types.
1729 2012-04-10  Richard Guenther  <rguenther@suse.de>
1731         * toplev.h (tree_rest_of_compilation): Remove.
1732         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1733         * cgraph.h (tree_rest_of_compilation): Declare.
1734         * tree-optimize.c (tree_rest_of_compilation): Move ...
1735         * cgraphunit.c (tree_rest_of_compilation): ... here.
1736         * cgraph.c (cgraph_add_new_function): Adjust.
1737         * Makefile.in (tree-optimize.o): Adjust.
1738         (cgraphunit.o): Likewise.
1740 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1742         PR tree-optimization/52870
1743         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1744         presumed pattern statement is within the same loop or basic block.
1746 2012-04-10  Tristan Gingold  <gingold@adacore.com>
1748         * gengtype.c (main): Make uintptr_t a known type.
1750 2012-04-10  Richard Guenther  <rguenther@suse.de>
1752         * tree-pass.h (tree_lowering_passes): Remove.
1753         * tree-optimize.c (tree_lowering_passes): Remove.
1754         * cgraph.c (cgraph_add_new_function): Inline relevant parts
1755         of tree_lowering_passes, avoid redundant call of early local passes.
1756         * cgraphunit.c (cgraph_lower_function): Fold into ...
1757         (cgraph_analyze_function): ... its single caller.  Inline
1758         relevant parts of tree_lowering_passes.
1760 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1762         PR other/52777
1763         * config/pa/pa.opt: Remove SIO and GNU_LD.
1765 2012-04-09  Jan Hubicka  <jh@suse.cz>
1767         PR lto/52722
1768         PR lto/51765
1769         PR lto/52634
1770         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
1771         boundary, add its target too.
1772         * lto.c (add_references_to_partition): Add also aliased nodes.
1773         (add_cgraph_node_to_partition,
1774         add_varpool_node_to_partition): Work on nodes, not functions/variables;
1775         when adding alias, add also the aliased object.
1777 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
1779         PR target/52883
1780         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
1781         VOIDmode immediate operands.
1782         * config/i386/constraints.md (Wz): New constraint.
1783         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
1785 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1787         PR target/52717
1788         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1789         the DECL generated for the special GOT helper.
1791 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
1793         * config/sh/constraints.md: Update list of constraints in
1794         comment block.
1795         (Sr0): Remove unused memory constraint.
1797 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1799         * tree-pretty-print.h: Update comment.
1801 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
1803         * config/sh/sh.md: Use braced string notation where applicable.
1804         (*prefetch_i4, prefetch_m2a): Merge into ...
1805         (*prefetch): ... this new insn.
1807 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
1809         * config/sh/sh.h (high_life_started): Remove
1810         * config/sh/predicates.md (general_movdst_operand): Use
1811         'reload_in_progress' instead of 'high_life_started'.
1812         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
1813         divsi_inv_fp): Likewise.
1815 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
1817         * config/sh/sh-protos.h (prepare_move_operands): Return void
1818         instead of int.
1819         * config/sh/sh.c (prepare_move_operands): Likewise.
1820         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
1822 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
1824         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
1825         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
1826         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
1827         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
1828         commutative_float_operator, noncommutative_float_operator,
1829         sh_handle_pragma): Remove.
1831 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
1833         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
1834         Use @option markup on command-line options.  Use @samp markup on
1835         literal keywords to options.  Use @code markup on code fragments.
1836         Use other markup in preference to quotation marks in the text.
1837         Add markup to some passages without any.
1839 2012-04-06  Mike Stump  <mikestump@comcast.net>
1841         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
1843 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
1845         * config/sh/sh.c (hi_const): Remove.
1846         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
1847         of hi_const.
1849 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
1851         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
1852         to bool.
1853         * config/sh/sh.c (sh_expand_t_scc): Likewise.
1854         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
1855         calling sh_expand_t_scc.
1857 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
1859         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
1860         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
1861         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
1862         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
1863         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
1864         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
1865         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
1866         sh2a_is_function_vector_call): Use bool as return type.
1867         (sh_pass_in_reg_p): Remove.
1868         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
1869         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
1870         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
1871         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
1872         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
1873         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
1874         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
1875         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
1876         sh_loads_bankedreg_p): Use bool as return type.
1877         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
1878         'register' modifier.
1880 2012-04-06  Matt Turner  <mattst88@gmail.com>
1882         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1884 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1886         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1887         of the destination isn't also a FP_REGS register.
1889 2012-04-05  Teresa Johnson  <tejohnson@google.com>
1890             H.J. Lu  <hongjiu.lu@intel.com>
1892         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
1893         * config/i386/i386.md (move immediate to memory peephole2):
1894         Add cases for HImode move when LCP stall avoidance is needed.
1895         * config/i386/i386.c (initial_ix86_tune_features): Initialize
1896         X86_TUNE_LCP_STALL entry.
1898 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
1900         PR target/52882
1901         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
1902         CONST_INT operands, zero-extended with AND.
1904 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
1906         PR target/50751
1907         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
1908         first argument instead of mode size.  Move displacement calculations
1909         to ...
1910         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
1911         ... these new functions.
1912         (disp_adjust): Remove max_mov_disp field.
1913         (sh_legitimate_index_p): Use max_mov_insn_displacement and
1914         mov_insn_alignment_mask.
1915         (sh_address_cost): Use max_mov_insn_displacement.
1917 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
1919         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
1920         (arch_enabled): Handle new arch types.
1921         (one_cmpldi2): Add NEON support.
1923 2012-04-05  Richard Guenther  <rguenther@suse.de>
1925         * gimple.c (walk_gimple_op): Compute val_only for the LHS
1926         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
1927         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
1928         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
1929         ... here and make static.
1930         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
1931         Remove.
1933 2012-04-05  Richard Guenther  <rguenther@suse.de>
1935         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
1936         basic-block before removing it.
1938 2012-04-05  Richard Guenther  <rguenther@suse.de>
1940         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
1941         version namespace as we release the freelist.
1943 2012-04-05  Richard Guenther  <rguenther@suse.de>
1945         * tree-nrv.c (tree_nrv): Release VDEFs.
1946         * tree-sra.c (sra_modify_constructor_assign): Likewise.
1947         (sra_modify_assign): Likewise.
1948         * tree-vect-stmts.c (vect_remove_stores): Likewise.
1949         * tree-vect-loop.c (vect_transform_loop): Likewise.
1950         * tree-ssa-dom.c (optimize_stmt): Likewise.
1951         * tree-vect-slp.c (vect_schedule_slp): Likewise.
1952         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
1954 2012-04-05  Richard Guenther  <rguenther@suse.de>
1956         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
1957         cleanup.
1958         * gimple.h (gsi_remove): Adjust.
1959         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
1960         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
1961         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1962         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
1963         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
1964         * tree-ssa-pre.c (eliminate): Likewise.
1966 2012-04-04  Mike Stump  <mikestump@comcast.net>
1968         * doc/rtl.texi (const_double): Document as sign-extending.
1969         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
1970         * emit-rtl.c (immed_double_int_const): Refine to state the
1971         value is signed.
1972         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
1973         CONST_DOUBLE integers.
1974         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
1975         negative values are converted.  Fix conversions bigger than
1976         HOST_BITS_PER_WIDE_INT.
1977         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
1978         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
1979         * explow.c (plus_constant_mode): Add.
1980         (plus_constant): Implement with plus_constant_mode.
1981         * rtl.h (plus_constant_mode): Add.
1983 2012-04-04  Richard Guenther  <rguenther@suse.de>
1985         PR tree-optimization/52808
1986         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
1987         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
1989 2012-04-04  Tristan Gingold  <gingold@adacore.com>
1991         * expr.c (expand_expr_real_2): Handle larger sizetype in
1992         POINTER_PLUS_EXPR.
1994 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1996         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
1997         to m2a-single instead of m2e.
1999 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
2001         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
2002         Change type of BITOFFSET to signed.  Make sure the lower bound of
2003         the computed range is non-negative by adjusting OFFSET and BITPOS.
2004         (expand_assignment): Adjust call to get_bit_range.
2006 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
2008         * h8300/h8300.c (h8300_current_function_monitor_function_p):
2009         New function. Added to check monitor functions.
2010         (h8300_option_override): Modified to generate error/warning
2011         messages for invalid combinations of different command line
2012         options.
2013         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
2014         save EXR on stack for monitor function in case of H8S target
2015         when "-mno-exr" is passed.
2016         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
2017         Add prototype.
2018         * doc/invoke.texi: Document H8S options.
2020 2012-04-03  Tristan Gingold  <gingold@adacore.com>
2022         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
2023         of gcc_AC_FUNC_MMAP_BLACKLIST.
2024         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
2025         * Makefile.in (aclocal_deps): Add mmap.m4.
2026         * configure: Regenerate.
2027         * aclocal.m4: Regenerate.
2029 2012-04-03  Richard Guenther  <rguenther@suse.de>
2031         PR tree-optimization/52808
2032         * tracer.c (tail_duplicate): Return whether we have duplicated
2033         any block.
2034         (tracer): If we have duplicated any block, cleanup the CFG.
2035         * cfghooks.c (duplicate_block): If we duplicated a loop
2036         header but not its loop, destroy the loop because it now has
2037         multiple entries.
2038         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
2039         the cfg manipulation routines we are not creating a multiple
2040         entry loop.
2042 2012-04-03  Tristan Gingold  <gingold@adacore.com>
2044         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
2045         'byte' alignment.
2046         (vms_c_common_override_options): Allow parameterless variadic
2047         functions.
2049 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2051         PR tree-optimization/52835
2052         * tree-data-ref.c (build_rdg): Return NULL if
2053         compute_data_dependences_for_loop failed.
2055 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
2057         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
2058         for REAL_CST as well.
2059         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
2060         In the bitfield case, if the value is a REAL_CST, convert it first to
2061         an INTEGER_CST.
2063 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2065         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
2066         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
2067         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
2069         * config/i386/biarchx32.h: New.
2071 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
2073         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
2074         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2075         (arm_preferred_reload_class): New function.
2077 2012-04-02  Richard Guenther  <rguenther@suse.de>
2079         PR tree-optimization/52756
2080         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
2081         (thread_through_loop_header): After threading through the loop latch
2082         remove the split part from the loop and clear further threading
2083         opportunities that would create a multiple entry loop.
2085 2012-04-02  Richard Guenther  <rguenther@suse.de>
2087         PR rtl-optimization/52800
2088         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
2089         CLEANUP_CFG_CHANGED.
2091 2012-04-02  Richard Guenther  <rguenther@suse.de>
2093         PR middle-end/52803
2094         * loop-init.c (gate_handle_loop2): Destroy loops here if
2095         we don't enter RTL loop optimizers.
2097 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
2099         Partially revert:
2100         2012-03-29  Richard Guenther  <rguenther@suse.de>
2102         * rtl.h (extended_count): Remove.
2103         * combine.c (extended_count): Remove.
2105 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
2107         PR c++/40942
2108         * pt.c (more_specialized_fn):  Don't apply decay conversion to
2109         types of function parameters.
2111 2012-04-02  Tristan Gingold  <gingold@adacore.com>
2113         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
2114         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
2115         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
2116         (ggc_pch_this_base): Use uintptr_t instead of size_t.
2118 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
2120         PR bootstrap/52784
2121         * config/i386/i386.c (ix86_option_override_internal): Don't
2122         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
2124 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2126         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2127         (stmt_can_make_abnormal_goto): Use it.
2128         (is_ctrl_altering_stmt): Likewise.
2130 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
2131             Kaz Kojima  <kkojima@gcc.gnu.org>
2133         * config/sh/sh.c (push_regs): Skip banked registers when
2134         resbank attribute is specified.
2135         (sh_expand_epilogue): Likewise.
2137 2012-03-30  Richard Henderson  <rth@redhat.com>
2139         PR debug/52727
2140         * combine-stack-adj.c (prev_active_insn_bb): New.
2141         (next_active_insn_bb): New.
2142         (force_move_args_size_note): New.
2143         (combine_stack_adjustments_for_block): Use it.
2145 2012-03-30  Richard Henderson  <rth@redhat.com>
2147         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
2148         (ix86_expand_vector_init_duplicate): Initialize it.
2149         (expand_vec_perm_palignr): Likewise.
2150         (ix86_expand_vec_perm_const): Likewise.
2151         (ix86_vectorize_vec_perm_const_ok): Likewise.
2152         (expand_vec_perm_blend): Use it.
2153         (expand_vec_perm_vpermil): Likewise.
2154         (expand_vec_perm_pshufb): Likewise.
2155         (expand_vec_perm_1): Likewise.
2156         (expand_vec_perm_pshuflw_pshufhw): Likewise.
2157         (expand_vec_perm_interleave2): Likewise.
2158         (expand_vec_perm_vpermq_perm_1): Likewise.
2159         (expand_vec_perm_vperm2f128): Likewise.
2160         (expand_vec_perm_interleave3): Likewise.
2161         (expand_vec_perm_vperm2f128_vblend): Likewise.
2162         (expand_vec_perm_vpshufb2_vpermq): Likewise.
2163         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
2164         (expand_vec_perm_broadcast): Likewise.
2165         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
2167 2012-03-30  Richard Henderson  <rth@redhat.com>
2169         * dwarf2out.c (gen_variable_die): Initialize off.
2171 2012-03-30  Tristan Gingold  <gingold@adacore.com>
2173         * config/vms/vms-f.c: New file.
2174         * config/vms/t-vms (vms-f.o): New rule.
2175         * config.gcc (*-*-*vms*): Define fortran_target_objs.
2177 2012-03-30  Richard Guenther  <rguenther@suse.de>
2179         PR tree-optimization/52754
2180         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2181         propagate arbitrary addresses into really plain dereferences.
2183 2012-03-30  Richard Guenther <rguenther@suse.de>
2185         PR middle-end/52772
2186         * except.c (emit_to_new_bb_before): Move loop updating ...
2187         (dw2_build_landing_pads): ... here.  Use a proper block for
2188         querying the loop father.
2190 2012-03-30  Tristan Gingold  <gingold@adacore.com>
2192         * config/ia64/ia64.c (ia64_section_type_flags): Remove
2193         common_object attribute handling.
2194         (SECTION_VMS_OVERLAY): Remove
2195         (ia64_vms_common_object_attribute): Replace abort with an assert.
2196         Do not set DECL_SECTION_NAME.
2197         (ia64_vms_output_aligned_decl_common): Handle common_object
2198         attribute.
2199         (ia64_vms_elf_asm_named_section): Remove.
2200         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
2202 2012-03-30  Richard Guenther  <rguenther@suse.de>
2204         PR middle-end/52786
2205         * double-int.c (rshift_double): Remove not needed cast.
2207 2012-03-30  Richard Guenther  <rguenther@suse.de>
2209         * tree-affine.h (print_aff): Remove.
2210         * tree-affine.c (print_aff): Make static.
2211         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
2212         (get_references_in_stmt): Likewise.
2213         (print_direction_vector): Likewise.
2214         (print_dir_vectors): Likewise.
2215         (print_dist_vectors): Likewise.
2216         (dump_subscript): Likewise.
2217         (dump_ddrs): Likewise.
2218         (dump_dist_dir_vectors): Likewise.
2219         (dump_data_references): Likewise.
2220         (dump_data_dependence_relation): Likewise.
2221         (dump_data_dependence_direction): Likewise.
2222         (dump_rdg_vertex): Likewise.
2223         (dump_rdg_component): Likewise.
2224         (debug_ddrs): Declare.
2225         (struct data_ref_loc_d): Move ...
2226         * tree-data-ref.c (struct data_ref_loc_d): ... here.
2227         (get_references_in_stmt): Make static.
2228         (dump_data_references): Likewise.
2229         (dump_subscript): Likewise.
2230         (print_direction_vector): Likewise.
2231         (print_dir_vectors): Likewise.
2232         (print_dist_vectors): Likewise.
2233         (dump_data_dependence_relation): Likewise.
2234         (dump_dist_dir_vectors): Likewise.
2235         (dump_ddrs): Likewise.
2236         (dump_rdg_vertex): Likewise.
2237         (dump_rdg_component): Likewise.
2238         (debug_ddrs): New function.
2239         (access_matrix_get_index_for_parameter): Remove.
2241 2012-03-30  Tristan Gingold  <gingold@adacore.com>
2243         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
2244         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
2245         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
2246         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
2247         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
2248         (vms_patch_builtins): Handle new flags
2249         * config/vms/vms-crtlmap.map: Completed using nm on
2250         c and math system libraries.
2251         * config/vms/make-crtlmap.awk: Handle any number of flags.
2253 2012-03-30  Martin Jambor  <mjambor@suse.cz>
2255         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2256         is a builtin_stack_save in a dominating BB.
2258 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2260         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2261         crossing 128bit lane boundary.
2263 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
2265         * ira-color.c (setup_left_conflict_sizes_p): Process all
2266         conflicting objects.
2268 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
2270         PR tree-optimization/52760
2271         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
2272         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
2274 2012-03-29  Richard Guenther  <rguenther@suse.de>
2276         * cgraph.h (cgraph_materialize_all_clones): Remove.
2277         (reset_inline_failed): Likewise.
2278         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
2279         * cgraphbuild.c (reset_inline_failed): Remove.
2280         * rtl.h (cse_main): Remove.
2281         (extended_count): Likewise.
2282         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
2283         (cse_main): Make static.
2284         * combine.c (extended_count): Remove.
2285         (dump_combine_stats): Mark as DEBUG_FUNCTION.
2286         * basic-block.h (reorder_basic_blocks): Remove.
2287         * bb-reorder.c (reorder_basic_blocks): Make static.
2288         * Makefile.in (dse.o): Remove dse.h dependency.
2289         * dse.h: Remove.
2290         * dse.c (gate_dse): Remove.
2291         (clear_alias_mode_eq): Likewise.
2292         (clear_alias_mode_hash): Likewise.
2293         (dse_record_singleton_alias_set): Likewise.
2294         (dse_invalidate_singleton_alias_set): Likewise.
2296 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
2298         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
2299         crtbegin_so%O%s for -shared.
2300         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
2302 2012-03-29  Richard Guenther  <rguenther@suse.de>
2304         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
2305         (add_to_value): Remove.
2306         (print_value_expressions): Likewise.
2307         * tree-ssa-pre.c (add_to_value): Make static.
2308         (print_value_expressions): Likewise.
2309         * gimple.h (gimple_adjust_this_by_delta): Remove.
2310         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
2312 2012-03-29  Richard Guenther  <rguenther@suse.de>
2314         PR middle-end/50708
2315         * double-int.h (rshift_double): Remove.
2316         * double-int.c (lshift_double): Use absu_hwi to make count positive.
2317         (rshift_double): Make static, take unsigned count argument,
2318         remove handling of negative count argument.
2319         (double_int_rshift): Dispatch to lshift_double.
2321 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
2323         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
2324         OPTION_MASK_ABI_64.
2326         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
2327         (SPEC_X32): Likewise.
2328         (MULTILIB_DEFAULTS): Likewise.
2330         * config/i386/i386.c (isa_opts): Remove -m64.
2331         (ix86_target_string): Properly handle -m32/-m64/-mx32.
2332         (ix86_option_override_internal): Properly
2333         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
2334         handle -m32, -m64 and -mx32.
2336         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
2337         with OPTION_ABI_X32.  Moved after TARGET_LP64.
2338         (TARGET_LP64): Changed to OPTION_ABI_64.
2340         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
2341         (mx32): Replace ISA_X32 with ABI_X32.
2343 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2345         * tree.c (tree_size) <VECTOR_CST>: New case.
2347 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
2349         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
2350         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
2352 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2354         PR middle-end/52691
2355         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2356         __builtin_va_start to __builtin_next_arg if the latter is
2357         builtin_decl_explicit_p rather than when it is not.
2359         PR middle-end/52750
2360         * tree-vect-generic.c (vector_element): Perform multiplication
2361         for pos in bitsizetype type instead of idx type.
2363 2012-03-28  Richard Guenther  <rguenther@suse.de>
2365         * loop-init.c (loop_optimizer_init): If loops are preserved
2366         perform incremental initialization of required loop features.
2367         (loop_optimizer_finalize): If loops are to be preserved only
2368         clean up optional loop features.
2369         (rtl_loop_done): Forcefully free loops here.
2370         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
2371         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
2372         to existing loops.
2373         (construct_init_block): Likewise.
2374         (construct_exit_block): Likewise.
2375         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
2376         the CFG after expanding.
2377         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
2378         If we needed to calculate them, free them afterwards.
2379         * tree-pass.h (PROP_loops): New define.
2380         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
2381         * basic-block.h (CLEANUP_CFG_CHANGED): New.
2382         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
2383         (cleanup_cfg): If we did something and have loops around, fix them up.
2384         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
2385         with CLEANUP_CFG_CHANGED.
2386         * cfghooks.c (merge_blocks): If we merge a loop header into
2387         its predecessor, update the loop structure.
2388         (duplicate_block): If we copy a loop latch, adjust loop state
2389         to note we may have multiple latches.
2390         (delete_basic_block): Mark loops for fixup if we remove a loop.
2391         * cfganal.c (forwarder_block_p): Protect loop latches, headers
2392         and preheaders.
2393         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
2394         (cfg_layout_can_merge_blocks_p): Likewise.
2395         * cprop.c (bypass_block): If we create a loop with multiple
2396         entries, mark it for removal.
2397         * except.c (emit_to_new_bb_before): Add the new basic-block
2398         to existing loops.
2399         * tree-eh.c (lower_resx): Likewise.
2400         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
2401         (expand_omp_taskreg): Likewise.
2402         * tree-inline.c (initialize_cfun): Likewise.
2403         * tree-mudflap.c (add_bb_to_loop): Prototype.
2404         (mf_build_check_statement_for): Properly add new basic-blocks
2405         to existing loops.
2406         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
2407         if we remove a loop.
2408         (thread_through_loop_header): Likewise.
2409         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
2410         new basic-blocks to existing loops.
2411         (expand_transaction): Likewise.
2412         * Makefile.in (except.o): Add $(CFGLOOP_H).
2413         (expr.o): Likewise.
2414         (cgraph.o): Likewise.
2415         (cprop.o): Likewise.
2416         (cfgexpand.o): Likewise.
2417         (cfganal.o): Likewise.
2418         (trans-mem.o): Likewise.
2419         (tree-eh.o): Likewise.
2421 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2423         PR target/52692
2424         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2425         (avr_builtin_decl): New static function.
2426         (struct avr_builtin_description, avr_bdesc): Move up.
2427         Add GTY marker. Add field fndecl. Remove redundant field id.
2428         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2429         (avr_expand_builtin): Code cleanup because .id is removed.
2431 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2433         PR target/52737
2434         * config.gcc (tm_file): Remove avr/multilib.h.
2436         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
2438         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2439         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2440         * config/avr/t-avr: Remove generation of multilib.h.
2441         * config/avr/t-multilib: Regenerate.
2442         * config/avr/multilib.h: Remove.
2443         * config/avr/avr.opt (-msp8): New option.
2444         (avr_sp8): New variable.
2445         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2446         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2447         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2448         (avr_device_to_sp8): New prototype.
2449         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2450         (DRIVER_SELF_SPECS): New define.
2451         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2452         __AVR_SP8__, __AVR_HAVE_SPH__.
2453         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2454         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2455         (avr_file_start): Ditto.
2457 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2459         PR target/52736
2460         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2461         instead of 8 in adjust_address.
2463 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2465         PR middle-end/51893
2466         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2467         targets.
2469 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
2471         PR target/50751
2472         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
2473         Rearrange conditional logic.  Move displacement address calculations
2474         to ...
2475         (sh_find_mov_disp_adjust): ... this new function.
2477 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2479         * config/arm/arm.opt (mapcs): Remove MaskExists.
2480         * config/cris/linux.opt (mno-gotplt): Likewise.
2481         * config/i386/i386.opt (mhard-float): Likewise.
2482         (msse4): Likewise.
2483         (mno-sse4): Likewise.
2484         * config/m68k/m68k.opt (mhard-float): Likewise.
2485         * config/mep/mep.op (mcop32): Likewise.
2486         * config/pa/pa-hpux.opt (msio): Likewise.
2487         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
2488         * config/picochip/picochip.opt (mlittle): Likewise.
2489         * config/sh/sh.opt (mrenesas): Likewise.
2490         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
2491         * config/sparc/sparc.opt (mhard-float): Likewise.
2492         * config/v850/v850.opt (mv850es): Likewise.
2493         * config/vax/vax.opt (mg-float): Likewise.
2495 2012-03-27  Martin Jambor  <mjambor@suse.cz>
2497         PR middle-end/52693
2498         * tree-sra.c (sra_modify_assign): Do not call
2499         load_assign_lhs_subreplacements when working with an unscalarizable
2500         region.
2502 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2504         PR target/52698
2505         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2506         New prototype.
2507         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2508         * config/i386/i386.c: Include reload.h.
2509         (ix86_legitimize_reload_address): New function.
2511 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2513         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
2514         hasn't been allocated.  Define a target macro for Mask and
2515         InverseMask if it hasn't been defined.  Remove MaskExists handling.
2517         * doc/options.texi: Remove MaskExists.
2519 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
2521         PR target/52667
2522         * config/sh/sh.c (find_barrier): Add equality check of last_got
2523         to avoid going above orig insn. Update comments.
2525 2012-03-27  Richard Guenther  <rguenther@suse.de>
2527         PR middle-end/52720
2528         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2529         explicitely.
2531 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2533         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2534         of a unit before computing the offset in units.
2535         * expr.c (get_bit_range): Return the null range if the enclosing record
2536         is part of a larger bit field.
2538 2012-03-27  Tristan Gingold  <gingold@adacore.com>
2540         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
2541         * config/ia64/ia64.md: Remove mode in template.
2542         Sign extend operand in expand_simple_binop.
2543         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
2544         CASE_VECTOR_MODE instead of TARGET_ILP32.
2545         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
2547 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2549         * varasm.c (assemble_external): #if 0 out the new assert from the
2550         previous commit, it breaks the Java and Go front ends.
2552 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2554         * toplev.c (check_global_declaration_1): Do not call assemble_external.
2555         * expr.c (emit_block_move_libcall_fn): Likewise.
2556         (clear_storage_libcall_fn): Likewise.
2557         (expand_expr_addr_expr_1): Likewise.
2558         (expand_expr_real_1): Likewise.
2559         * calls.c (rtx_for_function_call): Likewise.
2561         * varasm.c (assemble_external): Assert this function is only called
2562         during or after expanding to RTL.
2564 2012-03-26  Martin Jambor  <mjambor@suse.cz>
2566         PR tree-optimization/50052
2567         * tree-sra.c (tree_non_aligned_mem_p): Removed.
2568         (tree_non_aligned_mem_for_access_p): Likewise.
2569         (build_accesses_from_assign): Removed strict alignment requirements
2570         checks.
2571         (access_precludes_ipa_sra_p): Likewise.
2573 2012-03-26  Richard Guenther  <rguenther@suse.de>
2575         PR tree-optimization/52701
2576         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2577         compute and set the evolution part of PHI nodes.
2579 2012-03-26  Richard Guenther  <rguenther@suse.de>
2581         PR tree-optimization/52721
2582         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
2584 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
2586         PR tree-optimization/52686
2587         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
2588         WIDEN_LSHIFT_EXPR.
2590 2012-03-26  Tristan Gingold  <gingold@adacore.com>
2592         * config/alpha/vms.h (LINK_SPEC): Simplify.
2593         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
2594         (NAME__MAIN, SYMBOL__MAIN): Remove.
2595         (VMS_DEBUG_MAIN_POINTER): Remove.
2596         * config/ia64/vms.h: Likewise.
2597         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
2598         code to vms.c.  Call vms_start_function.
2599         * config/ia64/ia64.c (ia64_start_function): Likewise.
2600         * config/vms/vms-protos.h (vms_start_function): Declare.
2601         * config/vms/vms.c (vms_start_function): New function.
2602         * config/vms/vms.h (MATH_LIBRARY): Define.
2603         (VMS_DEBUG_MAIN_POINTER): Define.
2605 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
2607         PR rtl-optimization/52629
2608         * reload1.c (count_pseudo): Short-circuit common case.
2609         (count_spilled_pseudo): Return early for pseudos without hard regs.
2610         Assert that the pseudo has got a hard reg before manipulating it.
2612 2012-03-24  Jan Hubicka  <jh@suse.cz>
2614         PR lto/51663
2615         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
2616         (decide_is_variable_needed): Do not handle toplevel reorder here.
2617         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
2618         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
2619         even at -O0.
2621 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2623         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
2624         and str_bitsize instead of more convoluted expressions.
2626 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2628         PR target/52610
2629         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2631 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2633         PR target/52656
2634         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
2636 2012-03-23  Martin Jambor  <mjambor@suse.cz>
2638         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
2640 2012-03-23  Richard Guenther  <rguenther@suse.de>
2642         PR tree-optimization/52678
2643         * tree-vectorizer.h (struct _stmt_vec_info): Add
2644         loop_phi_evolution_part member.
2645         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2646         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2647         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2648         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2649         Use the cached evolution part and the PHI nodes value from
2650         the loop preheader edge instead of re-analyzing the evolution.
2652 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2654         * config/mips/mips-tables.opt: Update.
2655         * config/mips/mips.md (processor): Add xlp.
2656         * config/mips/mips-cpus.def: Add xlp.
2657         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
2658         5KF for now.
2659         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
2660         * doc/invoke.texi: Mention XLP.
2662 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2664         PR middle-end/52547
2665         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2666         on any new_local_var_chain vars declared during recursing on
2667         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2669 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
2671         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
2672         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
2673         (ASM_OUTPUT_LOCAL): Ditto.
2674         (ASM_OUTPUT_COMMON): Remove.
2675         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
2676         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
2678 2012-03-22  Jan Hubicka  <jh@suse.cz>
2680         PR middle-end/51737
2681         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
2682         parameter.
2683         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
2684         * ipa-inline-transform.c (save_inline_function_body): Remove
2685         copied clone if needed.
2686         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
2688 2012-03-22  Richard Guenther  <rguenther@suse.de>
2690         PR middle-end/52666
2691         * fold-const.c (fold_ternary_loc): Fix typo.
2693 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2695         PR target/52496
2696         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2697         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2698         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2699         (delay_cycles_1, delay_cycles_2): Ditto.
2700         (delay_cycles_3, delay_cycles_4): Ditto.
2701         (nopv, *nopv): Ditto.
2702         (sleep, *sleep): Ditto.
2703         (wdr, *wdr): Ditto.
2705 2012-03-22  Richard Guenther  <rguenther@suse.de>
2707         PR tree-optimization/52548
2708         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
2709         because of clobbers.
2710         (prune_clobbered_mems): New function.
2711         (compute_antic_aux): Use it to prune ANTIC_OUT.
2712         (compute_partial_antic_aux): Use it to prune PA_IN.
2713         (compute_avail): Only insert expressions into EXP_GEN that are not
2714         invalidated when translated up to the beginning of the block.
2716 2012-03-22  Richard Guenther  <rguenther@suse.de>
2718         PR tree-optimization/52638
2719         * tree-vect-stmts.c (vect_init_vector_1): New function, split
2720         out from ...
2721         (vect_init_vector): ... here.  Handle scalar vector inits.
2722         (vect_get_vec_def_for_operand): Adjust.
2723         (vectorizable_load): Likewise.
2725 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
2727         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
2728         (alpha*-*-freebsd*): Ditto.
2729         (alpha*-*-netbsd*): Ditto.
2730         (alpha*-*-openbsd*): Ditto.
2731         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
2732         (DWARF2_DEBUGGING_INFO): Remove.
2733         (PREFERRED_DEBUGGING_TYPE): Remove.
2734         (ASM_FINAL_SPEC): Remove.
2735         (IDENT_ASM_OP): Remove.
2736         (ASM_OUTPUT_IDENT): Remove.
2737         (SKIP_ASM_OP): Remove.
2738         (ASM_OUTPUT_SKIP): Remove.
2739         (ALIGN_ASM_OP): Remove.
2740         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2741         (ASM_OUTPUT_CASE_LABEL): Remove.
2742         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
2743         (COMMON_ASM_OP): Remove.
2744         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2745         (ASCII_DATA_ASM_OP): Remove.
2746         (READONLY_DATA_SECTION_ASM_OP): Remove.
2747         (INIT_SECTION_ASM_OP): Remove.
2748         (FINI_SECTION_ASM_OP): Remove.
2749         (ASM_SECTION_START_OP): Remove.
2750         (ASM_OUTPUT_SECTION_START_FILE): Remove.
2751         (TARGET_ASM_NAMED_SECTION): Remove.
2752         (TARGET_ASM_SELECT_SECTION): Remove.
2753         (MAKE_DECL_ONE_ONLY): Remove.
2754         (TYPE_ASM_OP): Remove.
2755         (SIZE_ASM_OP): Remove.
2756         (ASM_WEAKEN_LABEL): Remove.
2757         (TYPE_OPERAND_FMT): Remove.
2758         (ASM_DECLARE_RESULT): Remove.
2759         (ASM_DECLARE_OBJECT_NAME): Remove.
2760         (ASM_FINISH_DECLARE_OBJECT): Remove.
2761         (ELF_ASCII_ESCAPES): Remove.
2762         (ELF_STRING_LIMIT): Remove.
2763         (STRING_ASM_OP): Remove.
2764         (ASM_OUTPUT_EXTERNAL): Remove.
2765         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
2766         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
2767         before define.
2768         (ASM_DECLARE_FUNCTION_NAME): Ditto.
2769         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
2770         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
2771         (ASM_OUTPUT_SKIP): Ditto.
2772         (READONLY_DATA_SECTION_ASM_OP): Remove.
2773         (USER_LABEL_PREFIX): Remove.
2774         (ASM_OUTPUT_ASCII): Remove.
2775         (ASM_OUTPUT_CASE_LABEL): Remove.
2776         (NO_DOLLAR_IN_LABEL): Undefine.
2778 2012-03-22  Richard Guenther  <rguenther@suse.de>
2780         PR tree-optimization/52459
2781         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
2782         PHI insertion for calls.
2784 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
2786         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
2787         find_sets_in_insn, canonicalize_insn): Split out from ...
2788         (cse_insn): ... here.
2789         (invalidate_from_clobbers): Take an insn instead of the pattern.
2791 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
2793         PR target/52479
2794         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
2795         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
2796         * config/sh/sh.md (sindf2, cosdf2): Remove.
2798 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2800         PR target/52642
2801         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
2802         prologue for unwinder and profiler.
2804 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
2806         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2807         Introduce emul_name to select the right linker emulation for
2808         powerpc64-*-freebsd*.
2809         * configure: Regenerate.
2810         * config.gcc: Add bits to support powerpc64-*-freebsd*.
2811         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2812         * config/rs6000/freebsd64.h: New file.
2813         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2814         POWERPC_FREEBSD.
2815         (rs6000_savres_strategy): Likewise.
2816         (rs6000_savres_routine_name): Likewise.
2817         (rs6000_elf_file_end): Likewise.
2818         * config/rs6000/t-freebsd64: New file.
2819         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2820         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2822         * config/rs6000/freebsd64.h: Remove duplicated entries from last
2823         commit.
2824         * config/rs6000/t-freebsd64: Likewise.
2826 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
2828         PR rtl-optimization/52543
2829         PR target/52461
2830         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2831         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2832         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2833         (avr_load_libgcc_p): Restrict to __flash loads.
2834         (avr_out_lpm): Only handle 1-byte loads from __flash.
2835         (avr_load_lpm): New function.
2836         (avr_find_unused_d_reg): Remove.
2837         (avr_out_lpm_no_lpmx): Remove.
2838         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2839         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2840         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2841         (load_<mode>, load_<mode>_clobber): New insns.
2842         (mov<mode>): For multi-byte move from non-generic
2843         16-bit address spaces: Expand to load_<mode> resp.
2844         load_<mode>_clobber.
2845         (load<mode>_libgcc): Remove expander.
2846         (split-lpmx): Remove split.
2848 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
2850         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
2851         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
2852         All callers changed.
2853         (Fixed_core_reg): New feature.
2854         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
2855         disassembly.
2856         * neon-testgen.ml: Handle Fixed_core_reg.
2858 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
2860         * config/arm/arm.c (thumb2_reorg): Add complete support
2861         for 16-bit instructions.
2862         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
2864 2012-03-21  Richard Guenther  <rguenther@suse.de>
2866         PR tree-optimizer/52636
2867         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
2868         to the appropriate type.
2870 2012-03-21  Richard Guenther  <rguenther@suse.de>
2872         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
2873         dependencies.
2874         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
2875         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
2876         * passes.c (init_optimization_passes): Remove pass_init_function,
2877         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
2878         * tree-pass.h (pass_init_function): Remove.
2879         (pass_jump): Remove.
2880         (pass_initial_value_sets): Remove.
2881         (pass_unshare_all_rtl): Remove.
2882         * integrate.c (pass_initial_value_sets): Remove.
2883         * emit-rtl.c (pass_unshare_all_rtl): Remove.
2884         * tree.h (init_function_for_compilation): Remove.
2885         * function.c (init_function_for_compilation): Remove.
2886         (pass_init_function): Remove.
2887         * cfgcleanup.c (rest_of_handle_jump): Remove.
2888         (pass_jump): Remove.
2890 2012-03-20  Jason Merrill  <jason@redhat.com>
2892         * tree-streamer-in.c (streamer_alloc_tree): Call
2893         ggc_alloc_zone_cleared_tree_node instead of
2894         ggc_alloc_zone_cleared_tree_node_stat.
2896 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
2898         * doc/extend.texi (Template Instantiation): Remove anachronisms.
2900 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
2902         PR target/52607
2903         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
2904         (ix86_expand_vec_perm_const_1): Call it.
2906         * config/i386/i386.c (vselect_insn): New variable.
2907         (init_vselect_insn): New function.
2908         (expand_vselect, expand_vselect_insn): Add testing_p argument.
2909         Call init_vselect_insn if vselect_insn is NULL.  Adjust
2910         PATTERN (vselect_insn), instead of creating a new insn each time,
2911         only emit a copy of it if not testing and recog has been successful.
2912         (expand_vec_perm_pshufb, expand_vec_perm_1,
2913         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
2914         callers.
2916         PR target/52607
2917         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
2918         ("enabled" attribute): Handle avx2 and noavx2 isas.
2919         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
2920         New insns.
2921         (vec_dup<mode>): Add avx2 =x,x alternative.
2922         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
2923         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
2924         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
2925         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
2926         for V8SFmode.
2927         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
2928         if possible, handle also V8SFmode.
2930 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
2932         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
2933         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
2934         reg_or_zero_operand predicate.
2935         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
2937 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
2939         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
2940         If operand isn't UNSPEC, return 0.
2942 2012-03-20  Richard Guenther  <rguenther@suse.de>
2944         * tree-pass.h (pass_rtl_eh): Remove.
2945         * except.c (gate_handle_eh): Likewise.
2946         (rest_of_handle_eh): Likewise.
2947         (pass_rtl_eh): Likewise.
2948         (finish_eh_generation): Export.
2949         * except.h (finish_eh_generation): Declare.
2950         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
2951         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
2952         after expanding stack alignment.  Instead of compacting blocks
2953         call cleanup_cfg.
2955 2012-03-20  Richard Guenther  <rguenther@suse.de>
2957         * stor-layout.c (finish_bitfield_representative): Fallback
2958         to conservative maximum size if the padding up to the next
2959         field cannot be computed as a constant.
2960         (finish_bitfield_layout): If we cannot compute the distance
2961         between the start of the bitfield representative and the
2962         bitfield member start a new representative.
2963         * expr.c (get_bit_range): The distance between the start of
2964         the bitfield representative and the bitfield member is zero
2965         if the field offsets are not constants.
2967 2012-03-20  Tristan Gingold  <gingold@adacore.com>
2969         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
2970         convert in lowercase.
2971         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
2972         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
2973         * stor-layout.c (sizetype_tab): Adjust.
2974         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
2975         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
2976         instead of type_kind_last.
2977         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
2978         instead of size_int_kind.
2979         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
2980         * doc/tm.texi: Regenerate.
2981         * defaults.h (SIZETYPE): Provide a default value.
2982         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
2983         (SIZETYPE): Define.
2985 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
2987         * config/sh/sh.md: Use braced string notation where applicable.
2989 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
2991         * config/i386/i386.md (allocate_stack): Simplify.
2993 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
2995         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
2996         copy_to_mode_reg (Pmode, ...).
2997         (expand_builtin_frame_address): Ditto.
2998         * expr.c (emit_block_move_via_libcall): Ditto.
2999         (set_storage_via_libcall): Ditto.
3001         * config/i386/i386.c (ix86_expand_movmem): Ditto.
3002         (ix86_expand_setmem): Ditto.
3003         (ix86_trampoline_init): DItto.
3004         * config/i386/i386.md (cmpstrnsi): Ditto.
3006 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
3008         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
3009         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
3010         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
3011         (SH Options): Likewise.
3013 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
3015         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
3016         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
3017         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
3018         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
3019         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
3021         Revert:
3022         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
3024         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
3025         * config/i386/i386.c (ix86_decompose_address): Use
3026         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
3027         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
3028         thread pointer to a register.
3030         Revert:
3031         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
3033         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
3034         if Pmode != word_mode.
3035         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
3036         Pmode == SImode for TARGET_X32.
3038         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
3039         (tls_initial_exec_x32): Likewise.
3041 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
3043         PR target/50751
3044         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
3045         DISP_ADDR_OFFSET): New macros.
3046         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
3047         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
3048         (sh_legitimize_address): Add QImode displacement handling.
3049         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
3050         vector subregs.
3051         (sh_secondary_reload): Add QImode displacement handling.
3052         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
3053         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
3054         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
3055         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
3056         to register operands only.
3057         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
3058         (extendqihi2): Change insn to expander.
3059         (*extendqihi2_compact_reg): New insn.
3060         (movqi_i, movqi): Replace with ...
3061         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
3062         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
3063         Add new peepholes for QImode displacement addressing.
3065 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
3067         PR c++/14710
3068         * doc/invoke.texi: Document -Wuseless-cast.
3070 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
3072         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
3073         * tree.h (handled_component_p): Reorder cases.
3074         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
3075         not initialize unsignedp.
3076         (loc_list_from_tree): Likewise.
3077         (fortran_common): Likewise.
3078         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
3080 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
3082         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
3083         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
3084         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
3085         (ix86_split_long_move): Ditto.
3086         (legitimize_tls_address): Use ix86_gen_sub3.
3087         (construct_plt_address): Assert that Pmode == DImode.
3089 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
3091         * config/i386/i386.md: Remove empty predicates and/or constraints.
3092         * config/i386/sync.md: Ditto.
3093         * config/i386/sse.md: Ditto.
3094         * config/i386/mmx.md: Ditto.
3095         * config/i386/pentium.md: Ditto.
3096         * config/i386/athlon.md: Ditto.
3098 2012-03-16  Richard Guenther  <rguenther@suse.de>
3100         PR tree-optimization/52603
3101         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
3102         comment.
3104         Revert
3105         2012-03-14  Richard Guenther  <rguenther@suse.de>
3107         PR tree-optimization/52571
3108         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
3109         flag_section_anchors check ...
3110         (vect_can_force_dr_alignment_p): ... here.
3112 2012-03-16  Martin Jambor  <mjambor@suse.cz>
3114         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
3115         memory through MEM_REFs by calling extract_bit_field.
3117 2012-03-16  Richard Guenther  <rguenther@suse.de>
3119         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
3120         and REFERENCE_TYPE interpretations.
3121         (can_native_interpret_type_p): New function.
3122         (fold_ternary_loc): Use native encode/interpret to fold
3123         BIT_FIELD_REFs of constants.
3125 2012-03-16  Richard Guenther  <rguenther@suse.de>
3127         PR middle-end/52584
3128         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
3129         of vector constants and constructors.
3131 2012-03-16  Richard Guenther  <rguenther@suse.de>
3133         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
3134         VIEW_CONVERT_EXPR to convert constants.
3135         (vect_is_simple_use): Treat all constants as vec_constant_def.
3137 2012-03-16  Richard Guenther  <rguenther@suse.de>
3138             Kai Tietz  <ktietz@redhat.com>
3140         PR middle-end/48814
3141         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
3142         side-effects completely in the pre-queue and use a temporary
3143         for the result.
3145 2012-03-16  Richard Guenther  <rguenther@suse.de>
3147         * stor-layout.c (finish_bitfield_representative): Fall back
3148         to the conservative maximum size if we cannot compute the
3149         size of the tail padding.
3151 2012-03-16  Tristan Gingold  <gingold@adacore.com>
3153         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
3154         __CRTL_VER and __VMS_VER.
3155         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
3156         and vms_c_get_vms_ver.
3157         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
3158         functions.
3159         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
3160         (VMS_DEFAULT_VMS_VER): Define.
3161         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
3162         (VMS_DEFAULT_VMS_VER): Define.
3164 2012-03-16  Richard Guenther  <rguenther@suse.de>
3166         * tree-vect-loop.c (get_initial_def_for_induction): Use
3167         build_constructor directly.
3168         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
3169         build_vector_from_val.
3170         * tree.c (build_vector_from_val): Avoid creating a constructor
3171         first when we want a constant vector.
3173 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3175         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
3177 2012-03-16  Richard Guenther  <rguenther@suse.de>
3179         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
3180         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
3181         (struct tree_vector): Remove elements member, add variable size
3182         elts array member.
3183         (build_vector_stat): Declare.
3184         (build_vector): Define in terms of build_vector_stat.
3185         * tree.c (build_vector): Rename to ...
3186         (build_vector_stat): ... this.  Take array of trees as parameter.
3187         (build_vector_from_ctor): Adjust.
3188         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
3189         initializer_zerop): Adjust.
3190         * cfgexpand.c (expand_debug_expr): Likewise.
3191         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
3192         const_vector_from_tree): Likewise.
3193         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
3194         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
3195         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
3196         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
3197         (lto_input_ts_vector_tree_pointers): Adjust.
3198         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
3199         (write_ts_vector_tree_pointers): Adjust.
3200         * varasm.c (const_hash_1, compare_constant, copy_constant,
3201         output_constant): Adjust.
3202         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
3203         * print-tree.c (print_node): Adjust.
3204         * tree-pretty-print.c (dump_generic_node): Adjust.
3205         * tree-vect-generic.c (uniform_vector_p, vector_element,
3206         lower_vec_perm): Adjust.
3207         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
3208         * tree-vect-slp.c (vect_get_constant_vectors,
3209         vect_transform_slp_perm_load): Adjust.
3210         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
3211         * expmed.c (make_tree): Adjust.
3212         * config/i386/i386.c (ix86_expand_builtin): Adjust.
3213         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
3214         and implementation.
3215         (sparc_fold_builtin): Adjust.
3217 2012-03-16  Tristan Gingold  <gingold@adacore.com>
3219         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
3220         * config/vms/vms-stdint.h: New file.
3222 2012-03-16  Tristan Gingold  <gingold@adacore.com>
3224         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
3225         (ia64-hp-*vms*): Replaced by ...
3226         (*-*-*vms*): ... This new entry.
3228 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
3230         PR target/52568
3231         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
3232         (ix86_expand_vec_perm_const_1): Use it.
3234         PR target/52568
3235         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
3236         (avx2_permv4df): Remove.
3237         (avx2_permv4di): Macroize into...
3238         (avx2_perm<mode>): ... this using VI8F_256 iterator.
3239         (avx2_permv4di_1): Macroize into...
3240         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
3242 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
3244         * combine.c (apply_distributive_law): Do not distribute SUBREG.
3246 2012-03-15  Ira Rosen  <irar@il.ibm.com>
3247             Ulrich Weigand  <ulrich.weigand@linaro.org>
3249         * tree-vect-patterns.c (widened_name_p): Rename to ...
3250         (type_conversion_p): ... this.  Add new argument to determine
3251         if it's a promotion or demotion operation.  Check for
3252         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
3253         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
3254         widened_name_p.
3255         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
3256         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
3257         Likewise.
3258         (vect_recog_mixed_size_cond_pattern): Likewise and allow
3259         non-constant then and else clauses.
3261 2012-03-15  Ira Rosen  <irar@il.ibm.com>
3262             Ulrich Weigand  <ulrich.weigand@linaro.org>
3264         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
3265         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
3266         vect_pattern_recog.
3267         * tree-vect-patterns.c (widened_name_p): Pass basic block
3268         info to vect_is_simple_use.
3269         (vect_recog_dot_prod_pattern): Fail for basic blocks.
3270         (vect_recog_widen_sum_pattern): Likewise.
3271         (vect_handle_widen_op_by_const): Support basic blocks.
3272         (vect_operation_fits_smaller_type,
3273         vect_recog_over_widening_pattern): Likewise.
3274         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
3275         Update call to vect_is_simple_use.
3276         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
3277         Add printing.
3278         (check_bool_pattern): Add an argument, update call to
3279         vect_is_simple_use and the recursive calls.
3280         (vect_recog_bool_pattern): Update relevant function calls.
3281         Add printing.
3282         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
3283         (vect_pattern_recog_1): Check for reduction only in loops.
3284         (vect_pattern_recog): Add new argument.  Support basic blocks.
3285         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
3286         info to vect_is_simple_use_1.
3287         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
3288         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
3290 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
3291             Andrew Pinski  <apinski@cavium.com>
3293         PR middle-end/52592
3294         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
3295         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
3296         calls instead of __builtin_ir{int,ound}*.
3298 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3300         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
3301         documentation.
3303 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3305         * config.gcc (target_type_format_char): New. Document it. Set it for
3306         arm*-*-* .
3307         * configure.ac (gnu_unique_option): Use target_type_format_char
3308         in test.  Comment rationale.
3309         * configure: Regenerate .
3311 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
3313         PR tree-optimization/52267
3314         * tree-vrp.c (masked_increment): New function.
3315         (register_edge_assert_for_2): Derive ASSERT_EXPRs
3316         from (X & CST1) cmp CST2 tests.
3318 2012-03-15  Richard Guenther  <rguenther@suse.de>
3320         PR middle-end/52580
3321         * tree-data-ref.c (subscript_dependence_tester_1): Check
3322         all dimensions for non-conflicting access functions.
3324 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3326         PR c++/44783
3327         * doc/invoke.texi [C++ Language Options]: Document
3328         -ftemplate-backtrace-limit.
3330 2012-03-15  Tristan Gingold  <gingold@adacore.com>
3332         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
3333         before a parameter.
3335 2012-03-15  Tristan Gingold  <gingold@adacore.com>
3337         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
3338         use DW_OP_call_frame_cfa.
3340 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
3342         PR target/50797
3343         * config/i386/i386-opts.h (pmode): New.
3345         * config/i386/i386.c (ix86_option_override_internal): Properly
3346         check and set ix86_pmode.
3348         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
3350         * config/i386/i386.opt (maddress-mode=): New.
3352         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
3354 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3356         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
3357         (dwarf2out_do_cfi_asm): Likewise.
3358         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
3359         handling.
3360         (add_data_member_location_attribute): Likewise.
3361         (gen_array_type_die): Likewise.
3362         (gen_subprogram_die): Likewise.
3363         (gen_producer_string): Likewise.
3364         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
3365         Remove MIPS_DEBUGGING_INFO handling.
3366         (sdb_debug_hooks): Likewise.
3367         (sdbout_begin_block): Likewise.
3368         (sdbout_end_block): Likewise.
3369         (sdbout_begin_prologue): Likewise.
3370         (sdbout_start_source_file): Likewise.
3371         (sdbout_end_source_file): Likewise.
3372         (sdbout_init): Likewise.
3373         * system.h (MIPS_DEBUGGING_INFO): Poison.
3375 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3377         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
3378         (alpha_file_start) [MS_STAMP]: Remove.
3380         * config/alpha/elf.h (TARGET_GAS): Remove.
3381         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
3382         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
3383         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
3384         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
3385         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
3386         (alpha*-*-freebsd*): Likewise.
3387         (alpha*-*-netbsd*): Likewise.
3388         (alpha*-*-openbsd*): Likewise.
3389         (alpha*-*-*): Remove target_cpu_default2.
3390         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
3391         handling.
3392         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
3393         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
3394         * config/alpha/alpha.c (print_operand): Always assume
3395         TARGET_AS_SLASH_BEFORE_SUFFIX.
3396         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
3397         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
3398         ("*builtin_setjmp_receiver_er_1"): Remove.
3399         * config/alpha/alpha.opt (malpha-as): Remove.
3400         (mgas): Ignore.
3401         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
3402         -malpha-as, -mgas.
3403         Remove DEC Unix reference.
3405         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
3406         (EXTENDED_COFF): Remove.
3407         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
3408         (EXTENDED_COFF): Don't undef.
3409         * config/alpha/alpha.c (alpha_file_start): Always assume
3410         OBJECT_FORMAT_ELF.
3411         Don't set targetm.asm_file_start_file_directive.
3412         [!OBJECT_FORMAT_ELF]: Remove.
3413         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
3415         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
3416         (DBX_DEBUGGING_INFO): Remove.
3417         (MIPS_DEBUGGING_INFO): Remove.
3418         (PREFERRED_DEBUGGING_TYPE): Remove.
3419         (DBX_OUTPUT_SOURCE_LINE): Remove.
3420         (SDB_OUTPUT_SOURCE_LINE): Remove.
3421         (DBX_CONTIN_LENGTH): Remove.
3422         (NO_DBX_FUNCTION_END): Remove.
3423         (ASM_STABS_OP): Remove.
3424         (ASM_STABN_OP): Remove.
3425         (ASM_STABD_OP): Remove.
3426         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
3427         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
3428         (PUT_SDB_DEF): Remove.
3429         (PUT_SDB_PLAIN_DEF): Remove.
3430         (PUT_SDB_TYPE): Remove.
3431         (sdb_label_count): Remove.
3432         (PUT_SDB_BLOCK_START): Remove.
3433         (PUT_SDB_BLOCK_END): Remove.
3434         (PUT_SDB_FUNCTION_START): Remove.
3435         (PUT_SDB_FUNCTION_END): Remove.
3436         (PUT_SDB_EPILOGUE_END): Remove.
3437         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
3438         (MIPS_DEBUGGING_INFO): Don't undef.
3439         (DBX_DEBUGGING_INFO): Don't undef.
3440         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
3441         (MIPS_DEBUGGING_INFO): Don't undef.
3442         (DBX_DEBUGGING_INFO): Don't undef.
3443         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
3444         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
3445         handling.
3446         (alpha_start_function): Likewise.
3447         (sdb_label_count): Remove.
3448         (alpha_output_filename): Remove DBX_DEBUG handling.
3449         (alpha_file_start): Likewise.
3451 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3453         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
3454         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
3455         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
3456         Solaris 8 support.
3457         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
3458         (ld_tls_support): Remove Solaris 8 references.
3459         (lwp_dir, lwp_spec): Remove support for alternate thread library.
3460         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
3461         * configure: Regenerate.
3462         * config.in: Regenerate.
3464         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
3465         * config/i386/sol2.h: Remove Solaris 8 references.
3467         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
3468         (i?86-*-solaris2.9): ... this.
3469         Remove Solaris 8 references.
3470         (Specific, *-*-solaris2*): Document Solaris 8 removal.
3471         Remove Solaris 8 references.
3473 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3475         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
3476         (mips-sgi-irix6.5*): Remove.
3477         * config.host (mips-sgi-irix*): Remove.
3478         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
3479         (set_have_as_tls): Remove *-*-irix6*.
3480         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
3481         * configure: Regenerate.
3483         * config/mips/iris6.h: Remove.
3484         * config/mips/iris6.opt: Remove.
3485         * config/mips/t-irix6: Remove.
3487         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
3488         (TARGET_IRIX6): Remove.
3489         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
3490         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
3491         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
3492         handling.
3493         (mips_file_start): Likewise.
3494         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
3496         * config/mips/driver-native.c [__sgi__]: Remove.
3497         (host_detect_local_cpu) [__sgi__]: Remove.
3499         * config/mips/gnu-user.h: Remove iris5.h reference.
3501         * config/mips/mips-modes.def: Remove IRIX 6 reference.
3502         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
3503         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
3504         Remove.
3506         * gcc.c (main): Move asm_debug initialization ...
3507         (asm_debug): ... here.
3509         * ginclude/stddef.h (__STDDEF_H__): Don't define.
3511         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
3512         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
3513         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
3514         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
3515         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
3516         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3517         Remove.
3518         * doc/tm.texi: Regenerate.
3520         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
3521         IRIX 6 reference.
3522         (MIPS Options, -march): Remove IRIX reference.
3523         * doc/install.texi (Binaries, SGI IRIX): Remove.
3524         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
3525         of section.
3526         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
3528 2012-03-14  Martin Jambor  <mjambor@suse.cz>
3530         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
3531         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
3532         (expand_expr_real_1): Do not handle misalignment if modifier is
3533         EXPAND_WRITE.
3535 2012-03-14  Richard Guenther  <rguenther@suse.de>
3537         PR middle-end/52584
3538         * tree-vect-generic.c (type_for_widest_vector_mode): Take
3539         element type instead of mode, use build_vector_type_for_mode
3540         instead of the langhook, build a vector of proper signedness.
3541         (expand_vector_operations_1): Adjust.
3543 2012-03-14  Richard Guenther  <rguenther@suse.de>
3545         PR middle-end/52582
3546         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
3547         a cgraph node for a FUNCTION_DECL that comes from a constructor.
3548         (gimple_get_virt_method_for_binfo): Likewise.
3550 2012-03-14  Richard Guenther  <rguenther@suse.de>
3552         PR tree-optimization/52571
3553         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
3554         flag_section_anchors check ...
3555         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
3556         DECL_COMMON variables.
3558 2012-03-14  Richard Guenther  <rguenther@suse.de>
3560         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
3561         * stor-layout.c (start_bitfield_representative): New function.
3562         (finish_bitfield_representative): Likewise.
3563         (finish_bitfield_layout): Likewise.
3564         (finish_record_layout): Call finish_bitfield_layout.
3565         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
3566         for QUAL_UNION_TYPE fields.
3567         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3568         Stream DECL_BIT_FIELD_REPRESENTATIVE.
3569         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3571         PR middle-end/52080
3572         PR middle-end/52097
3573         PR middle-end/48124
3574         * expr.c (get_bit_range): Unconditionally extract bitrange
3575         from DECL_BIT_FIELD_REPRESENTATIVE.
3576         (expand_assignment): Adjust call to get_bit_range.
3578 2012-03-14  Richard Guenther  <rguenther@suse.de>
3580         PR middle-end/52578
3581         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
3582         the outermost conversion is a sign-change only.
3583         (fold_binary_loc): Disregard widening and sign-changing
3584         conversions when we determine if two variables are equal
3585         for reassociation.
3586         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
3587         (T1)x if the outermost conversion is a sign-change only.
3589 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
3591         Revert:
3592         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
3594         * config/i386/predicates.md (constant_call_address_operand): Declare
3595         as special predicate.  Update all uses.
3597 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
3599         PR c/52577
3600         * c-parser.c (c_parser_postfix_expression)
3601         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
3603         * config/i386/smmintrin.h: Avoid /* within a comment.
3604         * config/i386/nmmintrin.h: Likewise.
3606 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
3608         * config/i386/i386.md (xbegin): Remove constraint from expander.
3610 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
3612         * config/i386/predicates.md (constant_call_address_operand): Declare
3613         as special predicate.  Update all uses.
3614         * config/i386/i386.md: Remove mode from constant_call_address_operand
3615         predicates.
3616         * config/i386/i386.c (ix86_output_call_insn): Call
3617         constant_call_address_operand with VOIDmode.
3619 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
3621         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
3622         AND zero extended address correctly.
3624 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
3626         * config/i386/predicates.md (tls_symbolic_operand): Declare as
3627         special predicate.
3628         (tls_modbase_operand): Ditto.
3629         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
3630         tls_modbase_operand predicates.
3632 2012-03-13  Martin Jambor  <mjambor@suse.cz>
3634         * expr.c (expand_assignment): Handle misaligned scalar writes to
3635         memory through top-level MEM_REFs by calling store_bit_field.
3637 2012-03-13  Richard Guenther  <rguenther@suse.de>
3639         PR middle-end/52134
3640         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
3641         if Y is a constant multiple of 1 << CST.
3643 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
3645         PR target/52488
3646         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
3647         offset (size) to a value the insns can deal with.
3648         (expand_epilogue): Ditto.
3650 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3652         * config/arm/neon.ml (ops): Fixup expected instructions for
3653         unsigned vector compares.
3655 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
3657         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
3658         addresses only when %reg is not in word mode.
3660 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3662         * config/microblaze/microblaze.md: Fix typo.
3663         * tree-if-conv.c: Likewise.
3664         * tree-vect-patterns.c: Likewise.
3666 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3668         * config.gcc (extra_passes): Remove.
3669         * configure.ac (extra_passes): Don't substitute.
3670         * configure: Regenerate.
3671         * Makefile.in (EXTRA_PASSES): Remove.
3672         (GCC_PASSES): Remove $(EXTRA_PASSES).
3673         (MOSTLYCLEANFILES): Likewise.
3674         (native): Likewise.
3675         (install-common): Likewise.
3677 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
3679         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
3680         * config/i386/i386.c (ix86_decompose_address): Use
3681         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
3682         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
3683         thread pointer to a register.
3685 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3687         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
3688         on tls_symbolic_operand.
3689         (tls_global_dynamic_64_<mode>): Likewise.
3691 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
3693         PR other/52545
3694         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
3695         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
3697 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
3699         PR target/52499
3700         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
3701         type from reg_class_t to enum reg_class.
3702         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
3704 2012-03-12  Andrew Pinski  <apinski@cavium.com>
3706         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
3707         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
3708         (value_replacement): Likewise.
3709         (empty_block_p): Check also if the PHIs for the block are empty.
3711 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
3713         PR target/52148
3714         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
3715         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
3716         r184615 from 2012-02-28.
3718 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3720         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
3721         (ix86_gen_tls_local_dynamic_base_64): Likewise.
3722         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
3723         and ix86_gen_tls_local_dynamic_base_64.
3724         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
3725         ix86_gen_tls_local_dynamic_base_64.
3727         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
3728         (*tls_global_dynamic_64_<mode>): This.
3729         (tls_global_dynamic_64): Renamed to ...
3730         (tls_global_dynamic_64_<mode>): This.
3731         (*tls_local_dynamic_base_64): Renamed to ...
3732         (*tls_local_dynamic_base_64_<mode>): This.
3733         (tls_local_dynamic_base_64): Renamed to ...
3734         (tls_local_dynamic_base_64_<mode>): This.
3736 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3738         * config/i386/i386.c (ix86_option_override_internal): Properly
3739         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
3740         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
3741         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
3742         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
3744         * config/i386/sse.md (sse3_monitor64): Renamed to ...
3745         (sse3_monitor64_<mode>): This.
3747 2012-03-12  Tristan Gingold  <gingold@adacore.com>
3749         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
3750         (ia64_function_arg_advance): Ditto.
3752 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3754         * config.gcc (mips*-*-openbsd*): Remove.
3755         * config/mips/openbsd.h: Remove.
3756         * config/mips/sdb.h: Remove.
3758         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
3759         * config/mips/mips.c (sdb_label_count): Remove.
3760         (mips_debugger_offset): Remove #if 0 code.
3761         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
3762         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
3764 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3766         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
3767         binutils reference.
3768         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
3769         Update binutils references.
3770         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
3771         Update binutils reference.
3772         Update Sun as/GNU ld caveat.
3773         Document binutils largefile requirement for LTO plugin.
3774         Remove reference to alternate libpthread.
3776 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3778         * config.gcc (alpha*-dec-osf5.1*): Remove.
3779         * config.host (alpha*-dec-osf*): Remove.
3780         * configure.ac (*-*-osf*): Remove.
3781         (alpha*-dec-osf*): Remove.
3782         * configure: Regenerate.
3784         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
3785         config/alpha/va_list.h, config/alpha/x-osf: Remove.
3787         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
3788         * config/alpha/alpha.c (struct machine_function): Update comment.
3789         (alpha_start_function): Remove Tru64 UNIX as handling for
3790         max_frame_size.
3791         * config/alpha/alpha.md ("exception_receiver"): Remove
3792         TARGET_LD_BUGGY_LDGP.
3793         ("*exception_receiver_2"): Likewise.
3794         * except.c (finish_eh_generation): Remove Tru64 reference.
3795         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
3796         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
3797         * target.def (handle_pragma_extern_prefix): Remove.
3799         * Makefile.in (mips-tfile.o-warn): Remove.
3800         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
3801         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
3802         * mips-tdump.c, mips-tfile.c: Remove.
3804         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
3805         extern_prefix.
3806         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
3807         (Specific, alpha*-dec-osf5.1): Note removal.
3808         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
3809         Remove.
3810         * doc/tm.texi: Regenerate.
3811         * doc/trouble.texi (Cross-Compiler Problems): Remove.
3813 2012-03-12  Richard Guenther  <rguenther@suse.de>
3815         * config/arm/arm.c (neon_dereference_pointer): Do not call
3816         covert during RTL expansion.
3818 2012-03-12  Tristan Gingold  <gingold@adacore.com>
3820         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
3821         Options.  Mention -mpointer-size.
3823 2012-03-12  Richard Guenther  <rguenther@suse.de>
3825         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
3826         build_nonstandard_integer_type.
3828 2012-03-12  Richard Guenther  <rguenther@suse.de>
3830         * tree.c (signed_or_unsigned_type_for): Use
3831         build_nonstandard_integer_type.
3832         (signed_type_for): Adjust documentation.
3833         (unsigned_type_for): Likewise.
3834         * tree-pretty-print.c (dump_generic_node): Use standard names
3835         for non-standard integer types if available.
3837 2012-03-12  Tristan Gingold  <gingold@adacore.com>
3839         * config/vms/vms.opt: Add vms-opts.h header.
3840         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
3841         target mask.
3842         (-mvms-return-codes): Document.
3843         (-mpointer-size): New option.
3844         (vms_pointer_size): Add enumeration.
3845         * config/vms/vms-opts.h: New file.
3846         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
3847         __INITIAL_POINTER_SIZE.
3848         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
3849         (C_COMMON_OVERRIDE_OPTIONS): Define.
3850         (DWARF2_ADDR_SIZE): Define.
3851         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
3852         * config/vms/vms-protos.h (vms_c_common_override_options):
3853         New prototype.
3854         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
3855         if -mno-pointer-size.
3856         (vms_c_common_override_options): New function.
3857         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
3858         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
3859         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
3860         and flag_vms_pointer_size.
3861         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
3862         * config.gcc (*-*-*vms*): Define xm_file.
3863         (alpha*-dec-*vms*): Do not define xm_file.
3864         (alpha64-dec-*vms*): Remove.
3865         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
3866         and tmake_file.
3868 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
3870         PR tree-optimization/51721
3871         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
3872         if (int) unsvar cmp CST.
3874 2012-03-12  Richard Guenther  <rguenther@suse.de>
3876         * tree-sra.c (create_access_replacement): Only rename the replacement
3877         if we can rewrite it into SSA form.  Properly mark register typed
3878         replacements that we cannot rewrite with TREE_ADDRESSABLE.
3879         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
3880         for aggregate or BLKmode results.
3882 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
3884         PR tree-optimization/52533
3885         * tree-vrp.c (register_edge_assert_for_2): Use double_int
3886         type for mask, only handle shifts by non-zero in-range
3887         shift count, for LE_EXPR and GT_EXPR if new_val is
3888         maximum, don't add the assertion.
3890 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
3892         * doc/invoke.texi: Document -mrtm option.
3893         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
3894         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
3895         (ix86_handle_option): Handle OPT_mrtm.
3896         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
3897         xtestintrin.h.
3898         (x86_64-*-*): Ditto.
3899         * i386-builtin-types.def (INT_FTYPE_VOID): New.
3900         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3901         __RTM__ if needed.
3902         (ix86_target_string): Define -mrtm option.
3903         (PTA_RTM): New.
3904         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
3905         Handle new option.
3906         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
3907         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
3908         IX86_BUILTIN_XTEST.
3909         (bdesc_special_args): Ditto.
3910         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
3911         (ix86_expand_special_args_builtin): Handle new built-in type.
3912         (ix86_expand_builtin): Handle XABORT instruction.
3913         * config/i386/i386.h (TARGET_RTM): New.
3914         * config/i386/i386.md (UNSPECV_XBEGIN): New.
3915         (UNSPECV_XEND): Ditto.
3916         (UNSPECV_XABORT): Ditto.
3917         (UNSPECV_XTEST): Ditto.
3918         (xbegin): Ditto.
3919         (xbegin_1): Ditto.
3920         (xend): Ditto.
3921         (xabort): Ditto
3922         (xtest): Ditto.
3923         (xtest_1): Ditto.
3924         * config/i386/i386.opt (mrtm): New.
3925         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
3926         * config/i386/rtmintrin.h: New header.
3927         * config/i386/xtestintrin.h: Ditto.
3929 2012-03-12  Tristan Gingold  <gingold@adacore.com>
3931         * ginclude/stddef.h: Adjust previous patch.
3932         Use __VMS__ instead of VMS.
3934 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
3936         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
3937         Also convert sequences with CC setting arithmetic instruction.
3939 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
3941         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
3942         from C Language Options to Preprocessor Options.
3943         (C Dialect Options): Move -no-integrated-cpp documentation
3944         from here...
3945         (Preprocessor Options): ...to here.  Rewrite the description
3946         so it makes more sense, and remove discussion of merging front ends.
3948 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
3950         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
3951         needed for loop.
3952         (ix86_expand_setmem): Likewise.
3954 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
3956         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
3957         convert_to_mode.
3959 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
3961         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
3962         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
3964 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
3966         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
3968 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
3970         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
3971         TARGET_64BIT.
3973 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
3974             Uros Bizjak  <ubizjak@gmail.com>
3976         * config/i386/predicates.md (call_insn_operand): Allow
3977         constant_call_address_operand in Pmode only.
3978         (sibcall_insn_operand): Ditto.
3979         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
3980         (*call_vzeroupper): Ditto.
3981         (*sibcall): Ditto.
3982         (*sibcall_vzeroupper): Ditto.
3983         (*call_value): Ditto.
3984         (*call_value_vzeroupper): Ditto.
3985         (*sibcall_value): Ditto.
3986         (*sibcall_value_vzeroupper): Ditto.
3987         (*indirect_jump): Ditto.
3988         (*tablejump_1): Ditto.
3989         (indirect_jump): Convert memory address to word mode for TARGET_X32.
3990         (tablejump): Ditto.
3991         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
3992         to word mode.
3994 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
3996         PR target/51244
3997         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
3998         Use movrt_negc instead of negc pattern for non-SH2A.
3999         (*movnegt): Remove.
4000         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
4002 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
4004         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
4005         if Pmode != word_mode.
4006         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
4007         Pmode == SImode for TARGET_X32.
4009         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
4010         (tls_initial_exec_x32): Likewise.
4012 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
4014         PR rtl-optimization/52528
4015         * combine.c (can_combine_p): Add setting of subst_low_luid
4016         before call to expand_field_assignment().
4018 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
4020         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
4021         and related program names.
4023 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
4025         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
4027 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
4029         PR target/52530
4030         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
4031         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
4032         to set code to 'q'.
4033         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
4034         (*movdi_internal_rex64): Use %E operand modifier for lea.
4035         (*movsi_internal): Ditto.
4036         (*lea_1): Ditto.
4037         (*lea<mode>_2): Ditto.
4038         (*lea_{3,4,5,6}_zext): Ditto.
4039         (*tls_global_dynamic_32_gnu): Ditto.
4040         (*tls_global_dynamic_64): Ditto.
4041         (*tls_dynamic_gnu2_lea_32): Ditto.
4042         (*tls_dynamic_gnu2_lea_64): Ditto.
4043         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
4045 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4047         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
4048         redefine to be NULL if the current bit-size is different from the
4049         configured bit-size.
4051         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
4052         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
4053         set the default tuning.  Add asserts to make sure the cpu and tune
4054         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
4055         test whether the index is set, instead of > 0.
4056         (rs6000_file_start): Do not reset the default cpu if the current
4057         bit-size is different from the configured bit-size.
4059 2012-03-09  Tristan Gingold  <gingold@adacore.com>
4061         * config/vms/vms-crtlmap.map: Add comments.
4062         Add entries needed to build Ada RTS.
4064 2012-03-09  Tristan Gingold  <gingold@adacore.com>
4066         * ginclude/stddef.h: Do not define __size_t on VMS.
4068 2012-03-09  Tristan Gingold  <gingold@adacore.com>
4070         * c-tree.h (c_default_pointer_mode): New variable.
4071         * c-decl.c (c_default_pointer_mode): New variable.
4072         (c_build_pointer_type): New function.
4073         (grokdeclarator): Call c_build_pointer_type instead
4074         of build_pointer_type.
4076         * config/vms/vms-c.c: Include c-tree.h
4077         (saved_pointer_mode): New variable.
4078         (handle_pragma_pointer_size): New function.
4079         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
4080         (vms_c_register_pragma): Register __pointer_size and
4081         __required_pointer_size pragmas.
4083 2012-03-09  Tristan Gingold  <gingold@adacore.com>
4085         * config/vms/vms-c.c (vms_construct_include_filename): New function.
4086         (vms_c_register_includes): Reference it.
4088 2012-03-09  Andrew Pinski  <apinski@cavium.com>
4090         PR middle-end/51988
4091         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
4092         print_generic_expr.
4093         (tree_ssa_phiopt_worker): Go through all the PHIs for
4094         value_replacement instead of just the singleton one.
4095         (value_replacement): Change return type to int.  Return 0 instead of
4096         false.
4097         Allow the middle basic block to contain more than just the defining
4098         statement.
4099         Handle non empty middle basic blocks.
4100         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
4102 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
4104         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
4105         array reference and component reference.
4106         (analyze_scalar_evolution_for_address_of): New.
4108 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
4110         PR target/49862
4111         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
4112         (hwloop_pattern_reg): Fix set but not used warning.
4113         (bfin_reorg_loops): Remove unused parameter.
4114         (bfin_reorg): Update use of bfin_reorg_loops.
4116 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
4118         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
4119         with integer parameters in registers.
4120         (gen_push): Push register in word_mode instead of Pmode.
4121         (ix86_emit_save_regs): Likewise.
4122         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
4123         (gen_pop): Pop register in word_mode instead of Pmode.
4124         (ix86_emit_restore_regs_using_pop): Likewise.
4125         (ix86_expand_prologue): Replace Pmode with word_mode for push
4126         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
4127         restore RAX and R10 in word_mode.
4128         (ix86_emit_restore_regs_using_mov): Restore integer registers
4129         in word_mode.
4130         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
4131         word_mode.
4132         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
4133         (ix86_split_long_move): Likewise.
4135         * config/i386/i386.md (W): New.
4136         (*push<mode>2_prologue): Replace :P with :W.
4137         (*pop<mode>1): Likewise.
4138         (*pop<mode>1_epilogue): Likewise.
4139         (push/pop peephole2): Use word_mode scratch registers.
4141 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
4143         * config/i386/predicates.md (indirect_branch_operand): Simplify.
4145 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
4147         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
4148         for constants in [-63,63].
4150 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
4152         PR target/52530
4153         Revert:
4154         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
4156         * config/i386/i386.c (ix86_print_operand_address): Only handle
4157         zero-extended DImode addresses.
4159 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4161         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
4162         * configure: Regenerate.
4164 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
4166         PR target/52496
4167         * config/avr/avr.c (avr_mem_clobber): New static function.
4168         (avr_expand_delay_cycles): Add memory clobber operand to
4169         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
4170         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
4171         (enable_interrupt, disable_interrupt): New expander.
4172         (nopv, sleep, wdr): New expanders.
4173         (delay_cycles_1): Add memory clobber.
4174         (delay_cycles_2): Add memory clobber.
4175         (delay_cycles_3): Add memory clobber.
4176         (delay_cycles_4): Add memory clobber.
4177         (cli_sei): New insn from former "enable_interrupt",
4178         "disable_interrupt" with memory clobber.
4179         (*wdt): New insn from former "wdt" with memory clobber.
4180         (*nopv): Similar, but for "nopv".
4181         (*sleep): Similar, but for "sleep".
4183 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
4184             Kaz Kojima  <kkojima@gcc.gnu.org>
4186         PR target/52503
4187         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
4188         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
4189         (SUBTARGET_OVERRIDE_OPTIONS): Define.
4191 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
4193         * config/i386/predicates.md (x86_64_zext_general_operand): New.
4194         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
4195         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
4197 2012-03-07  Walter Lee  <walt@tilera.com>
4199         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
4200         REG_CFA_* notes for the stack pointer.
4201         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
4202         EH_RETURN_STACKADJ_RTX.
4203         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
4204         generate REG_CFA_* notes for the stack pointer.
4205         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
4206         by EH_RETURN_STACKADJ_RTX.
4208 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
4210         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
4211         when __AVR_3_BYTE_PC__ is defined.
4213 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
4215         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
4216         (ix86_print_operand): Handle '^'.
4217         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
4218         using P mode iterator.  Add %^ to asm template to conditionally emit
4219         addr32 prefix.
4220         (*rep_movdi_rex64): Ditto.
4221         (*strsetdi_rex_1): Ditto.
4222         (*rep_stosdi_rex64): Ditto.
4223         (*strmov{si,hi,qi}_1): Add %^ to asm template to
4224         conditionally emit addr32 prefix.
4225         (*rep_mov{si,qi}): Ditto.
4226         (*strset{si,hi,qi}): Ditto.
4227         (*rep_stos{si,qi}): Ditto.
4228         (*cmpstrnqi_nz_1): Ditto.
4229         (*cmpstrnqi_1): Ditto.
4230         (*strlenqi_1): Ditto.
4232 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
4234         * config/i386/i386.c (function_value_64): Return pointers in
4235         word_mode instead of Pmode.
4236         (ix86_promote_function_mode): Likewise.
4238 2012-03-07  Richard Guenther  <rguenther@suse.de>
4240         * coverage.c (get_gcov_type): Use type_for_mode.
4241         (get_gcov_unsigned_t): Likewise.
4242         * expr.c (store_constructor): Use type_for_mode.
4243         (try_casesi): Likewise.
4244         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
4245         (add_standard_iv_candidates): Use standard type trees.
4246         * dojump.c (do_jump): Remove dead code.
4248 2012-03-07  Richard Guenther  <rguenther@suse.de>
4250         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
4252 2012-03-07  Richard Guenther  <rguenther@suse.de>
4254         * convert.c (strip_float_extensions): Move ...
4255         * tree.c (strip_float_extensions): ... here.
4257 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
4259         PR target/52484
4260         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
4262 2012-03-07  Richard Guenther  <rguenther@suse.de>
4264         * omp-low.c (extract_omp_for_data): Use signed_type_for.
4265         (expand_omp_for_generic): Likewise.
4266         (expand_omp_for_static_nochunk): Likewise.
4267         (expand_omp_for_static_chunk): Likewise.
4268         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
4269         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
4270         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
4271         Use unsigned_type_for.
4272         (vect_create_cond_for_align_checks): Use signed_type_for.
4274 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
4276         PR rtl-optimization/52203
4277         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
4278         all callers to pass NULL except ...
4279         (reset_sched_cycles_in_current_ebb): ... here, save the value
4280         in new variable 'empty'.  Increase issue_rate only for
4281         non-empty insns.
4283 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
4285         PR target/51417
4286         * Makefile.in: Let install-gcc-ar depend on installdirs,
4287         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
4288         Don't double canonicalize if cross-compiling.
4290 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
4292         PR target/52506
4293         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
4294         to: RAMPZ, RAMPY, RAMPX, RAMPD.
4295         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
4297 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
4299         PR target/52505
4300         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
4301         from RAM.
4302         * config/avr/avr.md (xload_8): Adjust insn length.
4304 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
4306         PR target/52461
4307         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
4308         if RAMPZ affects reading from RAM.
4310 2012-03-07  Richard Guenther  <rguenther@suse.de>
4312         PR pch/52518
4313         PR pch/38987
4314         * doc/invoke.texi (Precompiled Headers): Remove sentence that
4315         suggests you can include PCHs from inside another header.
4317 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
4319         PR middle-end/52515
4320         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
4322 2012-03-07  Kai Tietz  <ktietz@redhat.com>
4324         * doc/invoke.texi (fwritable-relocated-rdata): Document
4325         new Cygwin/MinGW target option.
4326         * config/i386/winnt.c (i386_pe_unique_section): Ignore
4327         reloc if flag -fwritable-relocated-rdata is not set.
4328         (i386_pe_section_type_flags): Likewise.
4329         * config/i386/cygming.opt (fwritable-relocated-rdata):
4330         Add new flag variable flag_writable_rel_rdata.
4332 2012-03-07  Richard Guenther  <rguenther@suse.de>
4334         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
4335         precision against gimple constraints.
4337 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
4339         PR middle-end/52372
4340         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
4341         variables.
4342         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
4343         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
4344         variables.
4345         (init_emit_regs): Move associated initialization to...
4346         (init_emit_once): ...here.
4348 2012-03-06  Richard Henderson  <rth@redhat.com>
4350         * config/m68k/m68k.h (ISA_HAS_TAS): New.
4351         * config/m68k/sync.md (atomic_test_and_set): Use it.
4352         (atomic_test_and_set_1): Likewise.
4354 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
4356         PR target/50310
4357         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
4358         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
4359         (vector_ltgt<mode>): Likewise.
4360         (vector_ordered<mode>): Likewise.
4361         (vector_unordered<mode>): Likewise.
4362         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
4364 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
4366         * trans-mem.c: New typedef for tm_region_p.
4367         Define vector types for tm_region_p.
4368         (tm_region_init): Replace region_worklist to a vector called
4369         bb_regions.
4371 2012-03-06  Richard Guenther  <rguenther@suse.de>
4373         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
4374         MEM_REF with constant pointer operand.
4376 2012-03-06  Richard Guenther  <rguenther@suse.de>
4378         PR middle-end/52493
4379         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
4381 2012-03-06  Tristan Gingold  <gingold@adacore.com>
4383         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
4384         (external_model_kind): Improve documentation.
4385         (vms_pragma_extern_model): Handle relaxed_redef.
4386         (vms_c_register_pragma): Allow expansion for nomember_alignment.
4388 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
4390         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
4391         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
4392         Some more notes on EIND usage and reorder EIND subsection.
4394 2012-03-06  Tristan Gingold  <gingold@adacore.com>
4396         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
4397         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
4399 2012-03-06  Tristan Gingold  <gingold@adacore.com>
4401         * config/vms/t-vmsnative (version): Define.
4402         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
4404 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
4406         PR rtl-optimization/52250
4407         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
4408         to put note list into.  Unconditionally call move_bb_info.
4409         (move_bb_info): Do not assert the blocks being in the same region,
4410         just drop the note list if they are not.
4412 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
4414         PR target/51244
4415         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
4416         and use unified expansion logic.
4417         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
4418         closer to the existing movt insn.
4419         (negc): Rename insn to *negc.  Add new expander.
4420         (movnegt): Use xor pattern for T bit negation.  Reserve helper
4421         constant for negc pattern.
4422         (*movnegt): New insn and splitter.
4424 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
4426         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
4427         PLUS_EXPR.
4429 2012-03-05  Richard Henderson  <rth@redhat.com>
4431         * genemit.c (main): Include "target.h" in insn-emit.c.
4432         * Makefile.in (insn-emit.o): Depend on TARGET_H.
4433         * config/sh/sync.md (atomic_test_and_set): Reference
4434         targetm.atomic_test_and_set_trueval instead of
4435         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
4437 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4439         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
4440         Make static.
4442 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
4444         * langhooks.c (add_builtin_type): New function.
4445         * langhooks.h (add_builtin_type): Export it.
4446         * config/mep/mep.c (mep_init_builtins): Use it.
4447         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
4449 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
4451         PR debug/51902
4452         * tree.h (BLOCK_SAME_RANGE): Define.
4453         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
4454         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
4455         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
4456         isn't equal to supercontext fragment's fragment chain.
4457         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
4458         fragment origin.
4459         (blocks_nreverse_all): Likewise.
4460         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
4461         BLOCK_SUPERCONTEXT to supercontext fragment instead of
4462         supercontext fragment's fragment origin.
4463         * dwarf2out.c (add_high_low_attributes): If stmt has the same
4464         range as its parent (or parents thereof etc.), use the parent's
4465         DW_AT_ranges value instead of creating a new .debug_ranges range.
4467 2012-03-05  Richard Henderson  <rth@redhat.com>
4469         PR tree-opt/52242
4470         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
4471         * omp-low.c (expand_omp_atomic): Assume anything aligned to
4472         BIGGEST_ALIGNMENT is aligned.
4474 2012-03-05  Richard Henderson  <rth@redhat.com>
4476         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
4477         * config/sh/sh.c: ... here.
4479 2012-03-05  Richard Henderson  <rth@redhat.com>
4481         PR target/52481
4482         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
4483         instead of calling negqi2 directly.
4485 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
4487         PR middle-end/52463
4488         * trans-mem.c (tm_region_init): Use last_basic_block.
4490 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
4492         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
4493         * config/sh/sync.md (atomic_test_and_set): New expander.
4494         (tasb, atomic_test_and_set_soft): New insns.
4495         * config/sh/sh.opt (menable-tas): New option.
4496         * doc/invoke.texi (SH Options): Document it.
4498 2012-03-05  Richard Guenther  <rguenther@suse.de>
4500         * cfgloop.c (verify_loop_structure): Verify dominators before
4501         using them.
4502         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
4503         dominators from here.
4504         * graphite-scop-detection.c (create_sese_edges): Likewise.
4505         * loop-doloop.c (doloop_optimize_loops): Likewise.
4506         * loop-init.c (loop_optimizer_init): Likewise.
4507         * loop-unroll.c (unroll_and_peel_loops): Likewise.
4508         * loop-unswitch.c (unswitch_loops): Likewise.
4509         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
4510         * tree-parloops.c (parallelize_loops): Likewise.  Verify
4511         only when checking is enabled.
4512         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
4514 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
4516         * genautomata.c (parse_automata_opt): New static function.
4517         (initiate_automaton_gen): Remove all option handling code.  Remove
4518         argc argument.  All callers changed.
4519         (main): Call init_rtx_reader_args_cb with the new function as argument.
4521 2012-03-05  Richard Guenther  <rguenther@suse.de>
4523         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
4524         * tree-if-conv.c (combine_blocks): Free post-dominator info
4525         after breaking it.
4526         * tree-parloops.c (create_parallel_loop): Free and re-compute
4527         dominator info after breaking it.
4529 2012-03-05  Richard Guenther  <rguenther@suse.de>
4531         PR middle-end/52353
4532         * optabs.h (trapv_unoptab_p): New function.
4533         (trapv_binoptab_p): Likewise.
4534         * optabs.c (expand_binop): Use emit_libcall_block_1 with
4535         a proper equiv_may_trap argument.
4536         (expand_unop): Likewise.
4537         (emit_libcall_block_1): Take extra argument whether the
4538         instruction may trap.  Renamed from ...
4539         (emit_libcall_block): ... this.  New wrapper.
4541 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
4543         PR tree-optimization/51721
4544         * tree-vrp.c (register_edge_assert_for_2): If comparing
4545         lhs of right shift by constant with an integer constant,
4546         add ASSERT_EXPRs for the rhs1 of the right shift.
4548         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
4550 2012-03-05  Richard Guenther  <rguenther@suse.de>
4552         * tree.c (integer_zerop): Handle VECTOR_CSTs.
4553         (integer_onep): Likewise.
4554         (integer_all_onesp): Likewise.
4556 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
4558         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
4560 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
4562         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
4563         instead of TARGET_64BIT.
4565 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
4567         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
4568         adjust_stack_insn.
4570 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
4572         * config/i386/i386.c (ix86_print_operand_address): Only handle
4573         zero-extended DImode addresses.
4575 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
4577         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
4578         taken and cputaken as bool.
4580 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
4582         * config/i386/constraints.md (Ya): New internal constraint.
4583         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
4584         (*zero_extendsidi2_rex64): Add x,x alternative.
4585         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
4586         Remove flags reg clobber.  Adjust corresponding splits.
4587         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
4588         zero_extendqisi2 expanders using SWI12 mode iterator.
4589         (zero_extend<mode>si2_and): Macroize insn from
4590         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
4591         splitters.
4592         (*zero_extend<mode>si2):  Macroize insn from
4593         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
4594         (*zero_extend*2_movzbl_and): Remove insn patterns.
4595         (zero_extendqihi2_and): Merge corresponding splitter.
4596         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
4597         (*zero_extend*2_movzbl_and): Remove insn patterns.
4598         (*anddi_1): Split TYPE_IMOVX instructions.
4599         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
4600         (*andhi_1): Ditto.
4601         (and->zext splitter): Add splitter pattern.
4602         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
4604 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
4606         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
4607         x86-specific text.
4608         (Debugging Options): Likewise.
4609         (Optimize Options): Likewise.
4610         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
4611         with other architectures.  Use official processor names with correct
4612         spelling/capitalization.  Fix formatting and grammar issues.
4613         (i386 and x86-64 Windows Options): Similar cleanup here.
4615 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4617         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
4619 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4621         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
4622         DBX_REGISTER_NUMBER.
4624 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4626         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
4627         operand is CONST_INT.  Take COSTS_N_INSNS into account.
4628         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
4629         of shiftcosts.
4631 2012-03-02  Richard Henderson  <rth@redhat.com>
4633         * optabs.c (expand_atomic_test_and_set): Honor
4634         atomic_test_and_set_trueval even when atomic_test_and_set
4635         optab is not in use.
4637 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
4639         PR target/48596
4640         PR target/48806
4641         * config/sh/sh.c (sh_register_move_cost): Increase cost between
4642         GENERAL_REGS and FP_REGS for SImode.
4644 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
4646         PR target/49486
4647         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
4648         (absdi2): New expander.
4649         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
4651 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
4653         * config/sh/sync.md (atomic_exchange<mode>): New expander.
4654         (atomic_exchange<mode>_soft): New insn.
4656 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
4658         * config/sh/sync.md: Update copyright notice dates.
4659         (atomic_compare_and_swap<mode>): Use SImode for return value instead
4660         of QImode.
4661         (atomic_compare_and_swap<mode>_soft): Likewise.
4663 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
4665         PR target/31640
4666         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
4667         * config/sh/sh.c: Update copyright notice dates.
4668         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
4669         alignment for TARGET_HARD_SH4.
4670         (sh_option_override): Reduce default function alignment.  Set
4671         loop alignment to 4 bytes when not optimizing for size.
4673 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
4675         PR middle-end/50335
4676         * doc/invoke.texi (floop-flatten): Remove.
4677         * toplev.c (process_options): Remove references to flag_loop_flatten.
4678         * tree-ssa-loop.c (gate_graphite_transform): Same.
4679         * common.opt (floop-flatten): Obsolete.
4680         * graphite-poly.c (apply_poly_transforms): Remove reference to
4681         flag_loop_flatten.
4682         * Makefile.in (graphite-flattening.o): Remove.
4683         * graphite-flattening.c: Remove.
4685 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
4687         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4688         having mode compatible with the mode of previous compare.  Substitute
4689         compare mode of previous compare with the mode, compatible
4690         with eliminated and previous compare.
4692 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
4694         * config/rs6000/dfp.md (floatdidd2): New define_insn.
4696 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
4698         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
4699         compatible with CCGOCmode and CCGCmode.
4701 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
4703         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
4705 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
4707         * config/arm/arm.c (arm_sat_operator_match): New function.
4708         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
4709         * config/arm/arm.md ("insn" attribute): Add "sat" value.
4710         ("SAT", "SATrev"): New code iterators.
4711         ("SATlo", "SAThi"): New code iterator attributes.
4712         ("*satsi_<SAT:code>"): New pattern.
4713         ("*satsi_<SAT:code>_shift"): Likewise.
4714         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
4715         and "shift" attributes.
4716         ("arm_usatsihi"): Add "insn" attribute.
4717         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
4718         by powers of two.  Do not allow shift by 32.
4720 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
4722         PR target/46716
4723         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
4724         to pass the argument in the register of "natural" mode.
4726 2012-03-02  Richard Guenther  <rguenther@suse.de>
4728         PR tree-optimization/52406
4729         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
4730         (struct indices): Add unconstrained_base member.
4731         (struct dr_alias): Remove unused vops member.
4732         (DR_UNCONSTRAINED_BASE): New define.
4733         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
4734         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
4735         be an artificial access that covers the whole indexed object,
4736         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
4737         plain decl base-objects to their MEM_REF variant.
4738         (dr_may_alias_p): When the base-object of either data reference
4739         has unknown size use only points-to information.
4740         (compute_affine_dependence): Make dumps easier to read and
4741         more verbose.
4742         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
4743         DR_REF when looking for packed references.
4744         (vect_supportable_dr_alignment): Likewise.
4746 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
4748         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
4749         Improve conditions for peepholes of loads followed by commutative
4750         operators.
4751         * config/arm/ldmstm.md: Regenerated.
4753 2012-03-02  Richard Guenther  <rguenther@suse.de>
4755         * BASE-VER: Set to 4.8.0.
4757 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
4759         * config.gcc (obsolete): Add all ARM targets using the FPA.
4760         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
4761         * doc/install.texi: Avoid references to obsolete ARM ports.
4763 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
4765         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
4767 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
4768             Joern Rennecke  <joern.rennecke@embecosm.com>
4770         * doc/extend.texi: Expand and update information on interrupt
4771         attribute for Epiphany.
4773 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
4775         * config/sh/sh-protos.h: Update copyright notice dates.
4776         * config/sh/sh.h: Likewise.
4777         * config/sh/sh.md: Likewise.
4778         * config/sh/constraints.md: Likewise.
4779         * config/sh/predicates.md: Likewise.
4781 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
4783         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
4784         * config/sh/sh.c (tertiary_reload_operand): Likewise.
4786 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
4788         * config/sh/constraints.md: Fix comment typo.
4790 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4792         PR target/52408
4793         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
4794         unsigned HOST_WIDE_INT.
4795         (zvdep_imm64): Likewise.
4796         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
4797         (vdepi_and): Likewise.
4798         Likewise for unamed 64-bit patterns.
4799         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
4801 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
4803         PR debug/52001
4804         PR rtl-optimization/52417
4805         * cselib.c (cselib_any_perm_equivs): New variable.
4806         (cselib_reset_table): Check that it's not set when not
4807         preserving constants.
4808         (cselib_add_permanent_equiv): Set it.
4809         (cselib_have_permanent_equivalences): New.
4810         (cselib_init, cselib_finish): Reset it.
4811         * cselib.h (cselib_have_permanent_equivalences): Declare.
4812         * alias.c (get_addr): Restore earlier behavior when there
4813         aren't permanent equivalences.
4815 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
4817         * config/mn10300/mn10300-modes.def: Fix copyright notice.
4818         * config/v850/v850-modes.def: Fix copyright notice.
4820 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
4822         * doc/extend.texi (AVR Built-in Functions): Document
4823         __builtin_avr_flash_segment.
4825         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
4826         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
4827         (*split.flash_segment): New insn-and-split.
4828         * config/avr/avr.c (avr_init_builtins): Add local variables:
4829         const_memx_void_node, const_memx_ptr_type_node,
4830         char_ftype_const_memx_ptr.
4832 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
4834         PR tree-optimization/52445
4835         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
4836         add ssa_name_ver, offset and size fields and change store field
4837         to bool.
4838         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
4839         (add_or_mark_expr): Likewise.  Only consider previous stores
4840         with the same size and offset.
4841         (nt_init_block): Only look at gimple_assign_single_p stmts,
4842         doesn't look at rhs2.
4844 2012-03-01  Richard Guenther  <rguenther@suse.de>
4846         PR middle-end/52443
4847         * tree-cfg.c (verify_gimple_assign_unary): Allow any
4848         conversions from integral types to pointer types.
4850 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
4852         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
4853         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
4854         unintentionally removed in r184616.
4856 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4858         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
4859         3DNow from bdver1.
4861 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
4862             Uros Bizjak  <ubizjak@gmail.com>
4864         PR target/52437
4865         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
4866         alternatives, add "e" constraint to the new last alternative
4867         and ! to last 3 alternatives.
4869 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4871         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
4872         DW_AT_artificial attributes at the end of the processing.
4873         (gen_array_type_die): Likewise.
4874         (gen_enumeration_type_die): Likewise.
4875         (gen_struct_or_union_type_die): Likewise.
4876         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
4877         the parent type.
4879 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
4881         PR middle-end/52419
4882         * expr.c (expand_assignment): If doing misaligned store that doesn't
4883         cover all mode bits, perform a RMW cycle.
4885         PR tree-optimization/52429
4886         * tree-parloops.c (separate_decls_in_region_debug): Return early
4887         if var is LABEL_DECL.
4889 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4891         PR tree-optimization/52424
4892         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
4893         calling dom_thread_across_edge.
4895 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4897         * config/avr/avr.c: Move definition of TARGET macros to end of file.
4899 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4901         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
4902         * config/avr/avr.c (avr_output_bld): Remove unused function.
4903         (avr_out_sbxx_branch): Use "%T" to print bit position.
4905 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4907         * config/avr/avr.md: Untabify.
4909 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4911         * config/avr/avr.md (eqne): New code iterator.
4912         (*dec-and-branchsi): Use it in text peephole's condition.
4913         (*dec-and-branchhi): Ditto.
4914         (*dec-and-branchqi): Ditto.
4916 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
4918         PR target/49939
4919         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
4920         the device does not have the skip-bug.
4922 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
4924         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
4925         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
4926         -mpretend-cmove): New.
4928 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
4930         PR bootstrap/52397
4931         * df.h (struct df_d): Adjust comment that hard_regs_live_count
4932         doesn't count DEBUG_INSN refs.
4933         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
4934         for DEBUG_INSN refs.
4936 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4938         Partially revert:
4940         2012-02-20  Richard Guenther  <rguenther@suse.de>
4941         PR tree-optimization/52298
4942         * tree-vect-stmts.c (vectorizable_load): Properly use
4943         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
4945 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
4947         PR middle-end/51752
4948         * gimple.h (gimple_in_transaction): New.
4949         (gimple_set_in_transaction): New.
4950         (struct gimple_statement_base): Add in_transaction field.
4951         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
4952         transaction loads.
4953         (tree_ssa_lim_initialize): Compute transaction bits.
4954         * tree.h (compute_transaction_bits): Protoize.
4955         * trans-mem.c (tm_region_init): Use the heap to store BB
4956         auxilliary data.
4957         (compute_transaction_bits): New.
4959 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4961         * gcc.c (display_help): Document --help=common and sort entries
4962         alphabetically.
4964 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4966         * doc/install.texi: Document check-$LANG specific shortcuts
4968 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4970         PR target/51534
4971         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
4972         and vcgtu.
4973         * config/arm/arm_neon.h: Regenerate.
4974         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
4975         (neon_vcgeu): New insn.
4976         (neon_vcgtu): Likewise.
4977         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
4978         (ops): Unsigned comparison intrinsics call a different builtin.
4980 2012-02-28  Richard Guenther  <rguenther@suse.de>
4982         PR target/52407
4983         * config/i386/i386.c (ix86_expand_vector_set): Fix element
4984         ordering for the VEC_CONCAT for two element vectors for
4985         V2SFmode, V2SImode and V2DImode.
4987 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
4989         PR target/49448
4990         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
4991         detecting big-endian triplets.
4993 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
4995         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
4996         mode if there is no type information available.
4998 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
5000         PR tree-optimization/53207
5001         * doc/invoke.texi: Document as experimental and relying on graphite.
5003 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
5005         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
5006         of initializer to changes from r184614.
5008 2012-02-28  Richard Guenther  <rguenther@suse.de>
5010         PR tree-optimization/52395
5011         * tree-sra.c (build_ref_for_offset): Also look at the base
5012         TYPE_ALIGN when figuring out the alignment of the replacement.
5014 2012-02-28  Richard Guenther  <rguenther@suse.de>
5016         PR tree-optimization/52402
5017         * ipa-prop.c (ipa_modify_call_arguments): Properly use
5018         mis-aligned types when creating the accesses at the call site.
5020 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
5022         * config/avr/builtins.def: New file.
5023         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
5024         * config/avr/avr.c (enum avr_builtin_id): Use it.
5025         (avr_init_builtins): Use it. And use avr_bdesc.
5026         (bdesc_1arg): Remove.
5027         (bdesc_2arg): Remove.
5028         (bdesc_3arg): Remove.
5029         (struct avr_builtin_description): Add field n_args.
5030         (avr_bdesc): New static variable using builtins.def.
5031         (avr_expand_builtin): Use it.
5032         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
5033         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
5034         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
5036 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
5038         PR target/52148
5039         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
5040         match only one single hard register with respective hard reg rtx.
5041         (movmemx_<mode>): Ditto.
5042         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
5043         insn anatomy of movmem[x]_<mode>.
5044         (avr_out_movmem): Same for printing assembler and operand usage.
5046 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
5048         PR target/49868
5049         PR target/52261
5050         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
5051         address spaces located outside of device flash.
5053         * config/avr/avr.h (base_arch_s): Remove field n_segments.
5054         (mcu_type_s): Add field n_flash.
5055         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
5056         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
5057         (AVR_MCU): Add N_FLASH argument.
5058         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
5059         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
5060         macro __FLASH<n> if that address space makes sense for the device.
5061         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
5062         outside of target flash.
5063         (avr_asm_named_section): Ditto.
5064         (avr_asm_select_section): Ditto.
5065         (avr_addr_space_convert): Ditto.
5066         (avr_emit_movmemhi): Ditto.
5067         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
5068         address space is outside of device flash.
5069         (avr_insert_attributes): Ditto.
5070         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
5071         avr_current_arch->n_segments.
5073 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
5075         PR target/52352
5076         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
5077         (*movabs<mode>_2): Likewise.
5079 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
5081         PR target/52375
5082         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
5083         s_register_operand in the test instead of REG_P.  Don't call
5084         gen_reg_rtx if it won't be used.
5086         PR tree-optimization/52376
5087         * ipa-split.c (split_function): Ignore CLOBBER stmts.
5089 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
5091         * ifcvt.c (noce_get_condition): Check condition variable is not
5092         small_register_classes_for_mode_p before accepting.
5094 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
5096         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
5098 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5100         Revert:
5101         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5102         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5103         tuning parameters.
5104         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5106 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
5108         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
5110 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
5112         * config/sh/predicates.md: Remove blank lines.
5113         * config/sh/sh.c: Fix typos in comments.
5114         * config/sh/constraints.md: Likewise.
5115         * config/sh/sh.md: Remove blank lines.
5116         Fix typos in comments.  Use ;; as comment characters.
5118 2012-02-26  Walter Lee  <walt@tilera.com>
5120         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
5121         (replace_mov_pcrel_step2): Ditto.
5123 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
5125         PR debug/52001
5126         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
5127         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
5128         and locs that reference values newer than the non-canonical value
5129         at hand.  Return the canonical value as a worst case.
5130         (memrefs_conflict_p): Walk canonical value's locs.
5132         PR debug/52001
5133         * cselib.c (preserve_only_constants): Rename to...
5134         (preserve_constants_and_equivs): ... this.  Split out...
5135         (invariant_or_equiv_p): ... this.  Preserve plus expressions
5136         of other preserved expressions too.
5137         (cselib_reset_table): Adjust.
5138         * var-tracking.c (reverse_op): Use canonical value to build
5139         reverse operation.
5141 2012-02-23  Kai Tietz  <ktietz@redhat.com>
5143         * config/i386/i386.c (ix86_delegitimize_address): Handle
5144         UNSPEC_PCREL plus displacement.
5146 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
5148         PR target/52261
5149         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
5150         to test for unusedness in st X addressing.
5152 2012-02-24  Richard Guenther  <rguenther@suse.de>
5154         PR middle-end/52361
5155         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
5156         (is_gimple_reg_type): Move inline ...
5157         * gimple.h (is_gimple_reg_type): ... here.
5159 2012-02-24  Richard Guenther  <rguenther@suse.de>
5161         PR middle-end/52361
5162         * passes.c (execute_function_todo): When verifying SSA form
5163         verify gimple form first.
5164         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
5166 2012-02-24  Richard Guenther  <rguenther@suse.de>
5168         PR middle-end/52355
5169         * fold-const.c (fold_addr_of_array_ref_difference): New function.
5170         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
5172 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5174         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
5176 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5178         * tree-phinodes.c (make_phi_node): Mark static.
5179         * tree-flow.h (make_phi_node): Remove extern decl.
5180         * doc/gimple.texi (make_phi_node): Remove documentation.
5182 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5184         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
5185         * tree-ssa-sccvn.c (print_scc): Ditto.
5187 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5189         * doc/passes.texi (Full redundancy elimination): Fix typo.
5191 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5193         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
5195 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
5197         PR bootstrap/52287
5198         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
5200 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
5202         PR c/52290
5203         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
5205 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
5207         * config/avr/avr.md (code_stdname): Add ior, xor.
5208         (xior): New code iterator.
5209         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
5210         (*<code_stdname><mode>qi.byte1-3): Ditto.
5212 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
5214         PR tree-optimization/52019
5215         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
5216         CLOBBER stmts.
5218 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5220         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
5221         HAVE_INITFINI_ARRAY to work around namespace pollution in
5222         certain versions of newlib system headers.
5223         * config.in: Regenerate.
5224         * configure: Regenerate.
5225         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
5226         instead of HAVE_INITFINI_ARRAY.
5228 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
5230         PR target/52330
5231         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
5232         is not offsettable memory reference.
5234 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
5236         PR target/18145
5237         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
5238         setting avr_need_clear_bss_p for __gnu_lto* symbols.
5240 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
5242         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
5243         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
5245 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5247         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
5248         library on Solaris 8 even without TLS support.
5249         * configure: Regenerate.
5251 2012-02-22  Richard Guenther  <rguenther@suse.de>
5253         PR middle-end/52329
5254         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
5255         for GIMPLE_DEBUG stmts.
5257 2012-02-22  Martin Jambor  <mjambor@suse.cz>
5259         PR middle-end/51782
5260         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
5261         according to the base object.
5263 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
5265         PR rtl-optimization/50063
5266         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
5267         and 2 (8-bit SP) in operand 2.
5268         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
5269         setup to use movhi_sp_r instead of vanilla move to write SP.
5270         Adjust REG_CFA notes to superseed unspec.
5271         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
5272         of vanilla move.
5273         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
5274         known to be off) only with TARGET_NO_INTERRUPTS. Never use
5275         irq_state 1 (IRQ known to be on) here.
5277 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
5279         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
5280         WORDS_BIG_ENDIAN.
5281         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
5282         assign_hard_reg): Likewise.
5284 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
5286         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
5288 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
5290         * config/avr/avr.md
5291         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
5292         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
5294 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
5296         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
5297         prototype from here to...
5298         * config/avr/avr.h: ...here.
5300 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
5302         PR target/52294
5303         * thumb2.md (thumb2_shiftsi3_short): Split register and
5304         immediate shifts.  For register shifts tie operands 0 and 1.
5305         (peephole2 for above): Check that register-controlled shifts
5306         have suitably tied operands.
5308 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
5310         PR target/52137
5311         * config/i386/bdver1.md (bdver1_call, bdver1_push,
5312         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
5313         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
5314         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
5315         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
5316         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
5317         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
5318         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
5319         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
5320         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
5321         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
5322         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
5323         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
5324         bdver1_ssevector_avx256_unaligned_load,
5325         bdver1_ssevector_sse128_unaligned_load,
5326         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
5327         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
5328         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
5329         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
5330         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
5331         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
5332         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
5333         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
5334         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
5335         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
5336         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
5337         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
5338         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
5339         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
5340         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
5341         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
5342         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
5343         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
5344         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
5345         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
5346         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
5347         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
5348         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
5349         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
5350         bdver1_ssediv_double_load, bdver1_ssediv_double,
5351         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
5352         Add "bdver2" attribute.
5354 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5356         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
5357         default if possible and not specified otherwise.
5359 2012-02-21  Richard Guenther  <rguenther@suse.de>
5361         PR middle-end/52314
5362         * gimplify.c (create_tmp_from_val): Use the main variant type
5363         for the type of the temporary we create.
5365 2012-02-21  Richard Guenther  <rguenther@suse.de>
5367         PR tree-optimization/52324
5368         * gimplify.c (gimplify_expr): When re-gimplifying expressions
5369         do not gimplify a MEM_REF address operand if it is already
5370         in suitable form.
5372 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5374         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
5375         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
5377 2012-02-21  Richard Guenther  <rguenther@suse.de>
5379         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
5380         nested_in_vect_loop.
5382 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
5384         PR tree-optimization/52318
5385         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
5386         vdef also to non-pure/const call stmts in the sequence.
5388 2012-02-21  Tristan Gingold  <gingold@adacore.com>
5390         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
5392 2012-02-20  David S. Miller  <davem@davemloft.net>
5394         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
5395         don't use the "rd %pc" instruction on v9 for PIC register loads.
5397 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
5399         PR middle-end/52141
5400         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
5401         in a transaction safe function.
5403 2012-02-20  Kai Tietz  <ktietz@redhat.com>
5405         PR target/52238
5406         * stor-layout.c (place_field): Handle desired_align for
5407         ms-bitfields, too.
5409 2012-02-20  Richard Guenther  <rguenther@suse.de>
5411         PR tree-optimization/52298
5412         * tree-vect-stmts.c (vectorizable_store): Properly use
5413         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
5414         outer loops.
5415         (vectorizable_load): Likewise.
5416         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
5417         Access DR_STEP after ensuring it is not NULL.
5419 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
5421         PR tree-optimization/52286
5422         * fold-const.c (fold_binary_loc): For (X & C1) | C2
5423         optimization use double_int_to_tree instead of build_int_cst_wide,
5424         rewrite to use double_int vars.
5426 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5428         PR target/50166
5429         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
5430         Define _start.
5431         Remove -e 0 from $gcc_cv_ld invocation.
5432         Only use __GLIBC_PREREQ if defined.
5433         Enable on Solaris since Solaris 8 patch.
5434         (gcc_SUN_LD_VERSION): New macro.
5435         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
5436         gcc_SUN_LD_VERSION for version number format.
5437         * configure: Regenerate.
5438         * varasm.c (get_elf_initfini_array_priority_section): Set
5439         SECTION_NOTYPE for non-default priority.
5440         Use get_section instead of get_unnamed_section to emit
5441         .init_array/.fini_array with default priority.
5443 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
5445         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
5446         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
5447         (mips_start_unique_function, mips_output_mips16_rdhwr)
5448         (mips_code_end): New functions.
5449         (TARGET_ASM_CODE_END): Define.
5451 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
5453         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
5454         to stubs with non-sibling calls.
5456 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5458         * doc/invoke.texi (-fira-* options): Copy-edit.
5459         (ira-* parameters): Copy-edit.
5461 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
5463         * doc/invoke.texi: Minor copy-edits to bring into conformance with
5464         GCC coding conventions.
5466 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
5468         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
5469         when used as adjectives.
5471 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
5473         * doc/invoke.texi: Clean up "that"/"which" confusion.
5475 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
5477         * system.h: Poison SMALL_REGISTER_CLASSES
5478         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
5479         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
5481 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
5483         PR tree-optimization/52285
5484         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
5485         when deciding if a call is a tail call or tail recursion.
5487 2012-02-16  Kai Tietz  <ktietz@redhat.com>
5489         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
5490         interger-constant displacement for UNSPEC_PCREL.
5492 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
5494         PR rtl-optimization/52208
5495         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
5496         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
5498         PR tree-optimization/52255
5499         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
5500         loop->header has virtual PHI, but exit_e->dest doesn't, add
5501         virtual PHI to exit_e->dest and adjust all uses after the loop.
5503         PR debug/52260
5504         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
5505         children with clone_tree_hash, not after it.
5507 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
5509         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
5510         extended identifiers.
5512 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
5514         PR middle-end/51929
5515         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
5516         a same_body_alias, also test whether e->callee isn't a former
5517         or current clone of the decl this is a same body alias of.
5519         PR translation/52264
5520         * cgraphunit.c (verify_cgraph_node): Fix a typo.
5522 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5524         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
5526 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
5528         PR target/52199
5529         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
5530         force_reg instead of copy_to_reg for better optimization.  Force
5531         non-register or memory operands into a register.
5533 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
5535         * extend.texi: Reserve upper bits of memory model for future use.
5537 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
5538             Anatoly Sokolov <aesok@post.ru>
5539             Eric Weddington <eric.weddington@atmel.com>
5541         PR target/52261
5542         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
5543         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
5544         Rewrite initializers for .macro.
5545         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
5546         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
5547         atxmega32d4, atxmega32x1.
5548         avrxmega4: atxmega64a3, atxmega64d3.
5549         avrxmega5: atxmega64a1, atxmega64a1u.
5550         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
5551         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
5552         avrxmega7: atxmega128a1, atxmega128a1u.
5553         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
5554         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
5555         (struct base_arch_s): Rename reserved to xmega_p.
5556         Rename reserved2 to have_rampd.
5557         (AVR_XMEGA): New define.
5558         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
5559         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
5560         * config/avr/predicates.md (io_address_operand): Take into
5561         account SFR offset.
5562         (low_io_address_operand): Ditto.
5563         (high_io_address_operand): Ditto.
5564         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
5565         (enabled, movhi_sp_r): Use them.
5566         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
5567         cpp_define_formatted to built-in define __AVR_ARCH__.
5568         (__AVR_XMEGA__): New built-in define.
5569         (__AVR_HAVE_RAMPD__): New built-in define.
5570         (__AVR_HAVE_RAMPX__): New built-in define.
5571         (__AVR_HAVE_RAMPY__): New built-in define.
5572         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
5574         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
5575         (avr_option_override): Initialize them.
5576         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
5577         (avr_init_expanders): Initialize them. No more block several calls.
5578         (emit_push_sfr): New static function.
5579         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
5580         Handle AVR_XMEGA.
5581         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
5582         (avr_print_operand): Print addreeses as symbols for
5583         RAMPX, RAMPY, RAMPD, CCP.
5584         (output_movhi): Handle AVR_XMEGA when writing to SP.
5585         (avr_out_movhi_mr_r_xmega): New static function.
5586         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
5587         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
5588         __RAMPD__,  __CCP__ as needed.
5590         * config/avr/multilib.h: Regenerate.
5591         * config/avr/t-multilib: Regenerate.
5592         * config/avr/avr-tables.opt: Regenerate.
5594 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
5596         PR tree-optimization/50561
5597         * graphite-flattening.c (lst_project_loop): Do not
5598         remove old scattering dimensions after flattening.
5599         (lst_do_flatten): Likewise.
5601 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
5603         * doc/extend.texi (AVR Built-in Functions): Remove doc for
5604         __builtin_avr_map8, __builtin_avr_map16.
5605         Document __builtin_avr_insert_bits.
5607         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
5608         (insert_bits): New insn.
5609         (adjust_len.map_bits): Rename to insert_bits.
5610         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
5611         * avr-protos.h (avr_out_map_bits): Remove.
5612         (avr_out_insert_bits, avr_has_nibble_0xf): New.
5613         * config/avr/constraints.md (Cxf,C0f): New.
5614         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
5615         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
5616         New built-in define __BUILTIN_AVR_INSERT_BITS.
5617         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
5618         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
5619         (avr_move_bits): Rewrite.
5620         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
5621         functions.
5622         (avr_map_op_t): New typedef.
5623         (avr_map_op): New static variable.
5624         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
5625         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
5626         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
5627         (bdesc_3arg, avr_expand_triop_builtin): New.
5628         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
5629         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
5630         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
5631         (avr_map_equal_p, avr_map_sig_p): Remove.
5632         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
5633         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5634         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
5635         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5636         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
5637         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5639 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
5641         * config/c6x/c6x.md (reserve_cycles): New attribute.
5642         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
5643         don't reserve functional units after the branch occurs.
5645 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
5647         PR middle-end/52142
5648         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
5649         functions into non-tm_pure functions.
5651 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
5653         PR lto/52178
5654         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
5655         (iterative_hash_canonical_type): Likewise.
5656         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
5657         the dead edges.
5659 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
5661         * haifa-sched.c (prune_ready_list): Ensure that if there is a
5662         sched-group insn, it either remains alone or the entire list is pruned.
5664 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
5666         * doc/install.texi (Prerequisites): Fix grammar.
5667         (Configuration): Likewise.
5669 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
5671         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
5672         MPC as part of GCC before describing configuring with --with-gmp etc.
5673         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
5674         sources are present.
5676 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
5678         PR debug/51950
5679         * dwarf2out.c (clone_tree_hash): New function.
5680         (copy_decls_walk): Use it instead of clone_tree.
5682 2012-02-14  Richard Guenther  <rguenther@suse.de>
5684         PR tree-optimization/52244
5685         PR tree-optimization/51528
5686         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
5687         replacements for integral types.
5689 2012-02-14  Walter Lee  <walt@tilera.com>
5691         * config.gcc: Handle tilegx and tilepro.
5692         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
5693         tilegx and tilepro.
5694         Add HAVE_AS_TLS check for tilegx and tilepro.
5695         * configure: Regenerate.
5696         * doc/contrib.texi: Add Mat Hostetter and self.
5697         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
5698         Document instruction intrinsics and network accessing intrinsics.
5699         (TILEPro Built-in Functions): New node.  Document instruction
5700         intrinsics and network accessing intrinsics.
5701         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
5702         (Specific, tilepro-*-linux*): Likewise.
5703         * doc/invoke.texi (TILE-Gx Options): New section.
5704         (TILEPro Options): New section.
5705         * doc/md.texi (TILE-Gx): New section.
5706         (TILEPro): New section.
5707         * common/config/tilegx/tilegx-common.c: New file.
5708         * common/config/tilepro/tilepro-common.c: New file.
5709         * config/tilegx/constraints.md: New file.
5710         * config/tilegx/linux.h: New file.
5711         * config/tilegx/mul-tables.c: New file.
5712         * config/tilegx/predicates.md: New file.
5713         * config/tilegx/sync.md: New file.
5714         * config/tilegx/t-tilegx: New file.
5715         * config/tilegx/tilegx-builtins.h: New file.
5716         * config/tilegx/tilegx-c.c: New file.
5717         * config/tilegx/tilegx-generic.md: New file.
5718         * config/tilegx/tilegx-modes.def: New file.
5719         * config/tilegx/tilegx-multiply.h: New file.
5720         * config/tilegx/tilegx-protos.h: New file.
5721         * config/tilegx/tilegx.c: New file.
5722         * config/tilegx/tilegx.h: New file.
5723         * config/tilegx/tilegx.md: New file.
5724         * config/tilegx/tilegx.opt: New file.
5725         * config/tilepro/constraints.md: New file.
5726         * config/tilepro/gen-mul-tables.cc: New file.
5727         * config/tilepro/linux.h: New file.
5728         * config/tilepro/mul-tables.c: New file.
5729         * config/tilepro/predicates.md: New file.
5730         * config/tilepro/t-tilepro: New file.
5731         * config/tilepro/tilepro-builtins.h: New file.
5732         * config/tilepro/tilepro-c.c: New file.
5733         * config/tilepro/tilepro-generic.md: New file.
5734         * config/tilepro/tilepro-modes.def: New file.
5735         * config/tilepro/tilepro-multiply.h: New file.
5736         * config/tilepro/tilepro-protos.h: New file.
5737         * config/tilepro/tilepro.c: New file.
5738         * config/tilepro/tilepro.h: New file.
5739         * config/tilepro/tilepro.md: New file.
5740         * config/tilepro/tilepro.opt: New file.
5742 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
5744         PR tree-optimization/52210
5745         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
5746         vect_model_simple_cost with two entry vect_def_type array instead
5747         of an address of dt.
5749 2012-02-14  Richard Guenther  <rguenther@suse.de>
5751         PR lto/52178
5752         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
5753         Do not stream DECL_QUALIFIER.
5754         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
5755         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
5756         (find_decls_types_r): Do not walk DECL_QUALIFIER.
5758 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
5760         PR c/52181
5761         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
5762         newdecl.
5764 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
5766         PR bootstrap/52172
5767         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
5768         * cselib.c (cselib_subst_to_values_from_insn): New function.
5769         * sched-deps.c (add_insn_mem_dependence,
5770         sched_analyze_1, sched_analyze_2): Use it.
5772 2012-02-13  Jan Hubicka  <jh@suse.cz>
5774         PR middle-end/52214
5775         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
5777 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
5779         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
5780         (GTM_SELF_SPECS): Define if not already defined.
5781         (driver_self_specs): Add GTM_SELF_SPECS.
5782         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
5783         (GTM_SELF_SPECS): Define.
5784         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
5785         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
5787 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
5789         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
5790         away if seen.
5792         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
5794         PR middle-end/52230
5795         * omp-low.c (expand_omp_for): If a static schedule without chunk size
5796         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
5798 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
5800         PR c/52190
5801         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
5803 2012-02-13  Richard Guenther  <rguenther@suse.de>
5805         PR translation/52211
5806         * passes.c (enable_disable_pass): Fix typo.
5808 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
5810         PR middle-end/52209
5811         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
5812         XOR for reduce_bit_field if type is unsigned.
5814 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5816         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
5817         disallow changes from SFmode to mode with different size in FP regs.
5819 2012-02-12  Robert Millan  <rmh@gnu.org>
5820             Gerald Pfeifer <gerald@pfeifer.com>
5822         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
5823         Tweak comment.
5825 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
5827         PR rtl-optimization/52175
5828         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
5829         to frame-related instructions.
5831 2012-02-10  Jason Merrill  <jason@redhat.com>
5833         PR c++/51910
5834         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
5835         (demangle_new_symbols): Fill it.
5836         (scan_linker_output): Walk it.
5837         (start_tweaking): Split out from scan_linker_output.
5838         (maybe_tweak): Update sym->chosen.
5839         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
5841 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
5843         PR debug/52132
5844         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
5846 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
5848         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
5849         having the same mode as previous compare.
5851 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5853         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
5854         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
5855         (nonlocal_goto_internal): Likewise.
5856         (nonlocal_goto): Emit a use and an indirect jump directly.
5858 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
5860         PR c/52190
5861         * doc/extend.texi : Update comments for __atomic_compare_exchange and
5862         __atomic_{is,always}_lock_free.
5864 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
5866         PR target/52146
5867         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
5868         negative constant address for TARGET_X32.
5870 2012-02-10  Richard Henderson  <rth@redhat.com>
5872         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
5873         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
5874         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
5876 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5877             Ira Rosen  <irar@il.ibm.com>
5879         PR tree-optimization/50031
5880         * targhooks.c (default_builtin_vectorization_cost): Handle
5881         vec_promote_demote.
5882         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
5883         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
5884         all types of reduction and pattern statements.
5885         (vect_estimate_min_profitable_iters): Likewise.
5886         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
5887         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
5888         for explicit realigns.
5889         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
5890         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
5891         vec_promote_demote.
5892         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
5893         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
5894         vec_perm for VSX and handle vec_promote_demote.
5896 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
5898         PR middle-end/52177
5899         * builtins.c (fold_builtin_atomic_always_lock_free,
5900         expand_builtin_atomic_always_lock_free,
5901         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
5902         Return and/or test boolean_true_node/boolean_false_node instead of
5903         integer_one_node/integer_zero_node.
5905 2012-02-10  Jan Hubicka  <jh@suse.cz>
5907         PR middle-end/48600
5908         * predict.c (predict_paths_for_bb): Prevent looping.
5909         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
5911 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
5913         * config/arm/arm.c (output_move_double): In one case properly
5914         count number of instructions that will be emitted.
5916 2012-02-10  Richard Guenther  <rguenther@suse.de>
5918         PR translation/52193
5919         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
5921 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
5923         PR middle-end/52140
5924         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
5926 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
5928         PR debug/52165
5929         * var-tracking.c (emit_note_insn_var_location): If
5930         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
5931         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
5932         non-NOTE_DURING_CALL_P insn.
5934 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
5936         PR middle-end/51867
5937         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
5939 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
5941         PR driver/48524
5942         * gcc.c (switch_matches) Support switches with separated form,
5943         -D and -U.
5945 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
5947         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
5948         (SP_ADDR): Ditto.
5949         (RAMPZ_ADDR): Ditto.
5950         * config/avr/avr.c (avr_addr_t): New typedef.
5951         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
5952         (avr_init_expanders): Initialize it.
5953         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
5954         SREG_ADDR.
5955         (expand_epilogue): Ditto.
5956         (avr_print_operand): Ditto.
5957         (avr_file_start): Ditto.
5958         (avr_emit_movmemhi): Ditto.
5960 2012-02-08  Richard Guenther  <rguenther@suse.de>
5962         PR tree-optimization/46886
5963         * tree-flow.h (do_while_loop_p): Declare.
5964         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
5965         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
5967 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
5969         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
5970         always succeed for integers larger than a native word.
5972 2012-02-08  Richard Guenther  <rguenther@suse.de>
5974         PR rtl-optimization/52170
5975         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
5976         properly handle integer vector modes.
5978 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
5980         PR gcov-profile/52150
5981         * coverage.c: Include target.h.
5982         (build_var): Call targetm.strip_name_encoding on the assembler name.
5983         Change one _ into . or $ if the target allows it.
5984         * Makefile.in (coverage.o): Depend on $(TARGET_H).
5986         PR rtl-optimization/52139
5987         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
5988         is a BARRIER after emit_insn_after_noloc, move BB_END
5989         to the last non-BARRIER insn before it.
5991 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
5993         PR middle-end/24306
5994         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
5995         (mips_gimplify_va_arg_expr): Call it instead of
5996         std_gimplify_va_arg_expr.
5998 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
6000         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
6001         message for -mno-pointers-to-nested-function.
6003 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
6005         PR middle-end/51994
6006         * expr.c (get_inner_reference): If there is an offset, add a negative
6007         bit position to it (if any).
6009 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
6011         PR rtl-optimization/52060
6012         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
6013         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
6014         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
6015         and/or i0src_copy2 when needed.
6017 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
6019         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
6020         or LTOPLUGINSONAME if have_c.
6022         * config/freebsd-spec.h: Add comment about what macros can be defined
6023         in this header.
6024         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
6025         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
6026         here instead.
6028 2012-02-07  Richard Guenther  <rguenther@suse.de>
6030         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
6031         newline in -alias dumps.
6033 2012-02-07  Kai Tietz  <ktietz@redhat.com>
6034             Dave Korn  <dave.korn.cygwin@gmail.com>
6036         PR target/40068
6037         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
6038         Take care that typinfo gets dllexport-attribute.
6040 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
6042         PR middle-end/52074
6043         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
6044         if modifier < EXPAND_SUM call force_operand on the result.
6046 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
6048         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
6049         adding __forwarder_dst__ prefix if a forwarder_section attribute is
6050         present.
6051         (epiphany_function_type): Replace types for specific interrupts with
6052         EPIPHANY_FUNCTION_INTERRUPT.
6053         (EPIPHANY_INTERRUPT_P): Update.
6054         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
6055         New static function.
6056         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
6057         <disinterrupt>: Affects type identity.
6058         (epiphany_handle_interrupt_attribute): Handle variable number of
6059         arguments.
6060         (epiphany_compute_function_type): Update for new
6061         epiphany_function_type definition.
6062         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
6063         handlers with a longcall forwarder.
6064         (epiphany_start_function): Handle multiple interrupt arguments and/or
6065         forwarder_section attribute.
6067         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
6068         libgloss.
6070 2012-02-07  Alan Modra  <amodra@gmail.com>
6072         PR target/52107
6073         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
6074         subregs of TFmode.
6076 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6078         PR tree-optimization/50969
6079         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
6080         use vec_perm rather than vector_stmt.
6081         (vect_model_load_cost): Likewise.
6082         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
6083         vec_perm to be the same as other vector statements.
6084         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
6085         cost of vec_perm for TARGET_VSX.
6087 2012-02-06  Richard Guenther  <rguenther@suse.de>
6089         PR tree-optimization/52115
6090         * tree-sra.c (access_has_replacements_p): New function.
6091         (sra_modify_assign): Use it to decide whether a use is uninitialized.
6093 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
6095         PR middle-end/52047
6096         * trans-mem.c (expand_call_tm): Add an assertion.
6097         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
6098         functions.
6100 2012-02-06  Richard Guenther  <rguenther@suse.de>
6102         PR tree-optimization/50955
6103         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
6104         raise cost of expressions that replace an address with an
6105         expression based on a different pointer.
6107 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
6109         PR target/52129
6110         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
6111         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
6113 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
6115         PR c++/48680
6116         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
6117         -Weffc++ and specify guidelines come from second edition.
6119 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
6121         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
6122         (sibcall_value_multiple_internal, call_split, call_internal_direct)
6123         (call_direct_split, call_value_split, call_value_internal_direct)
6124         (call_value_direct_split, call_value_multiple_split): Use jal and
6125         jal_macro attributes.
6127 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
6129         * reload1.c (reload_regs_reach_end_p): Replace with...
6130         (reload_reg_rtx_reaches_end_p): ...this function.
6131         (new_spill_reg_store): Update commentary.
6132         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
6133         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
6134         before setting new_spill_reg_store.
6135         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
6136         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
6137         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
6138         for non-spill reload registers.
6140 2012-02-05  Ira Rosen  <irar@il.ibm.com>
6142         PR tree-optimization/52091
6143         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
6144         (vect_is_simple_use_1): Likewise.
6145         * tree-vect-loop.c (vectorizable_reduction): Update calls
6146         to vect_is_simple_use_1 and vect_is_simple_use.
6147         (vectorizable_live_operation): Likewise.
6148         * tree-vect-patterns.c (widened_name_p,
6149         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
6150         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
6151         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
6152         vectorizable_shift,vectorizable_operation, vectorizable_store,
6153         vectorizable_load): Likewise.
6154         (vect_is_simple_cond): Add an argument, pass it to
6155         vect_is_simple_use_1.
6156         (vectorizable_condition): Update calls to vect_is_simple_cond,
6157         vect_is_simple_use.
6158         (vect_is_simple_use): Add an argument, the statement in which
6159         OPERAND is used.  Check that if OPERAND's def stmt is a double
6160         reduction phi node, the use is a phi node too.
6161         (vect_is_simple_use_1): Add an argument, pass it to
6162         vect_is_simple_use.
6163         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
6164         to vect_is_simple_use.
6166 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
6168         PR rtl-optimization/52095
6169         * modulo-sched.c (dump_insn_locator): New function.
6170         (loop_canon_p, sms_schedule): Use it.
6172         PR rtl-optimization/52113
6173         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
6174         even for decomposable shift/zext insns.
6176 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
6177             Zdenek Dvorak  <ook@ucw.cz>
6179         PR rtl-optimization/52092
6180         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
6181         on get_iv_value result.
6183 2012-02-02  Andrew Pinski  <apinski@cavium.com>
6185         PR middle-end/47982
6186         PR middle-end/43967
6187         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
6189 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
6191         PR middle-end/48071
6192         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
6194 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
6196         PR rtl-optimization/49800
6197         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
6198         (sched_finish): Call regstat_free_n_sets_and_refs.
6200 2012-02-02  Jia Liu  <proljc@gmail.com>
6202         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
6203         than operand 2.
6205 2012-02-02  Jan Hubicka  <jh@suse.cz>
6206             Tom de Vries  <tom@codesourcery.com>
6208         PR middle-end/51998
6209         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
6210         * varpool.c (varpool_analyze_pending_decls): Likewise.
6212 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
6213             Jayant R Sonar <jayant.sonar@kpitcummins.com>
6215         * config.gcc: Add cr16-* support.
6217         * doc/extend.texi: Document cr16 extensions.
6218         * doc/install.texi: Document cr16 install.
6219         * doc/invoke.texi: Document cr16 options.
6220         * doc/md.texi: Document cr16 constraints.
6222         * common/config/cr16/cr16-common.c: New file.
6223         * config/cr16/cr16.c: New file.
6224         * config/cr16/cr16.h: New file.
6225         * config/cr16/cr16.md: New file.
6226         * config/cr16/cr16.opt: New file.
6227         * config/cr16/cr16-protos.h: New file.
6228         * config/cr16/predicates.md: New file.
6229         * config/cr16/constraints.md: New file.
6230         * config/cr16/t-cr16: New file.
6232 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
6234         PR target/52086
6235         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
6236         that operands[2] is either immediate, or q_regs_operand.
6238         PR tree-optimization/52073
6239         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
6240         a pattern stmt for pattern uses, ignore uses outside of the loop.
6242 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
6244         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
6245         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
6246         (OUT_AS1, OUT_AS2): Remove.
6248 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
6250         PR rtl-optimization/51374
6251         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
6252         to cross other volatile_refs_p insns.
6254 2012-02-01  Richard Guenther  <rguenther@suse.de>
6256         * doc/invoke.texi (fno-inline): Clarify documentation.
6257         (finline-small-functions): Likewise.
6258         (finline-functions): Likewise.
6259         * common.opt (finline): Adjust comment and documentation.
6260         (finline-small-functions): Clarify documentation.
6261         (finline-functions): Likewise.
6262         (finline-functions-called-once): Likewise.
6264 2012-02-01  Tristan Gingold  <gingold@adacore.com>
6266         * c-typeck.c (composite_type): Keep mode for pointers.
6268 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
6270         * function.h (regno_reg_rtx): Adjust comment.
6271         * reginfo.c (init_reg_modes_target): Only use the previous mode
6272         if it fits within one register.  Remove MIPS comment.
6274 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
6276         PR bootstrap/52058
6277         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
6279 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6281         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
6282         to srak instruction.
6284 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
6286         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
6288 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
6290         PR bootstrap/52041
6291         PR bootstrap/52039
6292         PR target/51974
6293         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
6295 2012-01-31  Richard Guenther  <rguenther@suse.de>
6297         PR tree-optimization/51528
6298         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
6299         assigns.
6301 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
6303         PR bootstrap/52041
6304         PR bootstrap/52039
6305         PR target/51974
6306         * ree.c (add_removable_extension): Change def_map argument
6307         to unsigned *, store in def_map 1 + offset into *insn_list vector
6308         instead of pointers into the vector.
6309         (find_removable_extensions): Adjust caller.
6311 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
6313         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
6314         Transform all "* quoted-c-code" to { c-code }.
6315         Remove redundant test for "optimize" in combine patterns.
6316         Move (include "avr-dimode.md") to end of file.
6318 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
6320         PR target/51835
6321         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
6322         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
6324 2012-01-30  Richard Guenther  <rguenther@suse.de>
6326         PR tree-optimization/52028
6327         * tree-loop-distribution.c (ldist_gen): Properly update
6328         virtual SSA form.
6330 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
6332         PR debug/52027
6333         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
6334         set_cur_line_info_table if not emitting debug info.
6336         PR tree-optimization/52046
6337         * tree-vect-patterns.c (check_bool_pattern): Give up if
6338         a comparison could throw.
6340         PR debug/52048
6341         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
6343 2012-01-30  Richard Guenther  <rguenther@suse.de>
6345         PR tree-optimization/52045
6346         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
6347         SSA form if cfgcleanup did anything.
6349 2012-01-30  Richard Guenther  <rguenther@suse.de>
6351         PR tree-optimization/52045
6352         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
6353         before computing final todo.
6355 2012-01-30  Richard Guenther  <rguenther@suse.de>
6357         PR tree-optimization/51528
6358         * tree-sra.c (sra_modify_assign): Re-factor in preparation
6359         for PR51528 fix.
6361 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
6363         * df-problems.c (df_kill_notes): Check that the use refers
6364         to the note under examination.
6366 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
6368         PR target/51920
6369         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
6370         parameter and use short-lived pseudos.
6371         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
6372         (sparc_expand_vector_init): Const-ify local variables and adjust
6373         calls to above functions.
6375 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
6377         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
6379 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
6381         * doc/invoke.texi: Make usage of "compile time" and
6382         "run time"/"runtime" consistent throughout the file.
6384 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
6386         * config/alpha/alpha.c (alpha_option_override): Default to
6387         full IEEE compliance mode for Go language.
6389 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
6391         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
6392         (LINK_SSP_SPEC): Define.
6394 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6396         PR target/51871
6397         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
6398         stubs.
6400 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
6402         * doc/invoke.texi: Correct hyphenation of "floating point",
6403         "double precision", and related terminology throughout the file.
6405 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
6407         PR target/52006
6408         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
6409         arm_general_register_operand predicate for operand 2 instead of
6410         register_operand.
6412 2012-01-27  Ian Lance Taylor  <iant@google.com>
6414         PR go/47656
6415         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
6416         * builtins.c (expand_builtin_init_trampoline): Add onstack
6417         parameter.  Change caller.
6418         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
6419         * tree.c (build_common_builtin_nodes): Declare
6420         __builtin_init_heap_trampoline.
6422 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
6424         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
6425         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
6426         * config/avr/avr.c: Ditto.
6427         (avr_regnames): Remove because unused.
6428         * config/avr/avr.md (*cpse.ne): New peephole.
6429         (*cpse.eq): New peephole from former cpse peepholes.
6431 2012-01-27  Michael Eager  <eager@eagercon.com>
6433         * config/microblaze.c (microblaze_emit_compare): Correct
6434         test after pcmp instruction.
6436 2012-01-27  Richard Guenther  <rguenther@suse.de>
6438         PR tree-optimization/52020
6439         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
6441 2012-01-27  Richard Guenther  <rguenther@suse.de>
6443         * ipa-pure-const.c (check_stmt): Clobbers do not make a
6444         function non-const/pure.
6446 2012-01-27  Richard Guenther  <rguenther@suse.de>
6448         PR tree-optimization/50444
6449         * tree-sra.c (build_ref_for_offset): Properly adjust the
6450         MEM_REF type for unaligned accesses.
6452 2012-01-27  Richard Guenther  <rguenther@suse.de>
6454         PR tree-optimization/50444
6455         * expr.c (mem_ref_refers_to_non_mem_p): New function.
6456         (expand_assignment): Use it.  Properly handle misaligned
6457         bases when expanding stores to component references.
6458         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
6459         refactor that case.
6461 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
6463         PR middle-end/51389
6464         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
6465         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
6466         * tree-data-ref.c (find_data_references_in_loop): Make static.
6467         (compute_all_dependences): Change return type to bool.  Bail out
6468         for too many datarefs in a loop.  Move the hunk resetting the data
6469         dependences vector from ...
6470         (compute_data_dependences_for_loop): ... here.  Account for
6471         compute_all_dependences returning false.
6472         (compute_data_dependences_for_bb): Likewise.
6473         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
6474         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
6476 2012-01-27  Richard Guenther  <rguenther@suse.de>
6478         PR middle-end/51959
6479         * expr.c (store_field): Use the alias-set of the scratch memory
6480         for storing to it.
6482 2012-01-27  Tom de Vries  <tom@codesourcery.com>
6484         PR tree-optimization/51990
6485         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6486         WITH_SIZE_EXPR.
6487         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
6489 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
6491         PR debug/52001
6492         * var-tracking.c (reverse_op): Don't add any reverse operation
6493         if V already has any constant locations.
6495 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
6497         * doc/invoke.texi: Correct usage of "command line" (noun)
6498         vs "command-line" (adjective) throughout.
6500 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
6502         * doc/invoke.texi (Language Independent Options): Move
6503         -Wcoverage-mismatch blurb from here....
6504         (Warning Options): ...to here.
6506 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
6508         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6509         Set rs6000_always_hint to false for 476.
6511 2012-01-27  Matthias Klose  <doko@ubuntu.com>
6513         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
6514           system root.
6515         * incpath.c (add_standard_paths): Likewise.
6517 2012-01-27  Richard Henderson  <rth@redhat.com>
6519         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6520         * config/m68k/sync.md (atomic_test_and_set): Rename from
6521         sync_test_and_setqi and adjust the operands.
6522         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
6523         and unconditionally enable.
6525 2012-01-27  Richard Henderson  <rth@redhat.com>
6527         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6528         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
6529         (ldstub): Rename from ldstubqi.
6530         (ldstub<I24MODE>): Remove.
6532 2012-01-27  Richard Henderson  <rth@redhat.com>
6534         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6535         * c-cppbuiltin.c (cpp_atomic_builtins): Define
6536         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
6537         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
6538         * doc/tm.texi: Rebuild.
6540 2012-01-27  Richard Henderson  <rth@redhat.com>
6542         * optabs.c (gen_atomic_test_and_set): Remove default.
6543         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
6545 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
6547         PR rtl-optimization/51978
6548         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
6549         (combine_reaching_defs): Likewise.
6550         (struct re_info): Remove.
6551         (add_removable_extension): Remove x and data arguments,
6552         add insn, insn_list and def_map.  Use the arguments directly
6553         instead of using struct re_info.
6554         (find_removable_extensions): Don't call add_removable_extension
6555         through note_stores, instead just call it with single_set
6556         result if non-NULL.
6557         (find_and_remove_re): Pass curr_cand->expr instead of
6558         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
6560 2012-01-26  Michael Matz  <matz@suse.de>
6562         PR tree-optimization/46590
6563         * cfgexpand.c: Revert last change (r183305).
6564         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
6565         regs.
6566         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
6567         checking for emptiness.
6569 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
6571         PR middle-end/51895
6572         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
6573         non-addressable non-BLKmode base correctly.
6575 2012-01-26  Michael Matz  <matz@suse.de>
6577         PR tree-optimization/48794
6578         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
6579         regions referenced from RESX/EH_DISPATCH.
6581 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6583         * config/s390/s390.h: Make BRANCH_COST an option.
6584         * config/s390/s390.opt: New option -mbranch-cost.
6586 2012-01-26  Richard Henderson  <rth@redhat.com>
6588         Revert 2012-01-24 change:
6589         * trans-mem.c (requires_barrier): Do not instrument thread local
6590         variables and emit save/restore for them.
6592 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
6594         PR middle-end/51986
6595         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
6596         for pat == 0.
6598 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
6600         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
6601         ASM_OPERANDS.
6603 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
6605         PR target/49868
6606         Rename __pgm to __flash.
6607         Rename __pgm1 to __flash1.
6608         Rename __pgm2 to __flash2.
6609         Rename __pgm3 to __flash3.
6610         Rename __pgm4 to __flash4.
6611         Rename __pgm5 to __flash5.
6612         Rename __pgmx to __memx.
6613         * doc/extend.texi (AVR Named Address Spaces)
6614         Rename address space names as indicated above.
6615         * config/avr/avr.c (avr_addrspace): Ditto.
6617         * config/avr/avr-protos.h
6618         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
6619         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
6620         * config/avr/predicates.md: Ditto.
6621         * config/avr/avr.c Ditto, and
6622         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
6623         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
6625         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
6626         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
6627         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
6628         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
6629         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
6630         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
6631         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
6632         * config/avr/avr.c: Ditto.
6633         * config/avr/avr.md: Ditto.
6635 2012-01-25  Jason Merrill  <jason@redhat.com>
6637         PR c++/51992
6638         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
6640 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
6642         PR tree-optimization/51987
6643         * tree-data-ref.c (get_references_in_stmt): Handle references in
6644         non-volatile GIMPLE_ASM.
6646 2012-01-25  Richard Guenther  <rguenther@suse.de>
6648         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
6649         bases are dereferenced.
6651 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
6653         PR rtl-optimization/48374
6654         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
6656 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
6658         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
6659         compute_data_dependences_for_loop returns false.
6660         * tree-parloops.c (loop_parallel_p): Likewise.
6662 2012-01-25  Richard Guenther  <rguenther@suse.de>
6664         * tree.h (get_pointer_alignment_1): Declare.
6665         * builtins.c (get_pointer_alignment_1): New function.
6666         (get_pointer_alignment): Use it.
6668 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
6670         PR rtl-optimization/48308
6671         * combine.c (enum undo_kind): Add UNDO_LINKS.
6672         (struct undo): Add member l to other_contents and where.
6673         (do_SUBST_LINK): New.
6674         (SUBST_LINK): New.
6675         (try_combine): Handle LOG_LINKS for the dummy i1 case.
6676         (undo_all): Handle UNDO_LINKS.
6678 2012-01-25  Richard Henderson  <rth@redhat.com>
6680         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
6681         mem inputs.
6683 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6685         * optabs.c (gen_atomic_test_and_set): Use each argument.
6687 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6689         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
6690         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
6691         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
6692         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
6693         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
6694         TARGET_PAIRED_SINGLE_FLOAT.
6696 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6698         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
6699         (in_struct, return_val): Remove MEM documentation.
6700         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
6701         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
6702         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
6703         and MEM_SCALAR.
6704         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6705         * cfgexpand.c (add_alias_set_conflicts): Likewise.
6706         * expr.c (store_field): Likewise.
6707         * function.c (assign_stack_temp_for_type): Likewise.
6708         * ifcvt.c (noce_try_cmove_arith): Likewise.
6709         * reload1.c (reload): Likewise.
6710         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
6711         (alpha_set_memflags): Likewise.
6712         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
6714 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
6716         * rtl.h (true_dependence, canon_true_dependence): Remove varies
6717         parameter.
6718         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
6719         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
6720         (true_dependence_1, true_dependence, canon_true_dependence): Remove
6721         varies parameter.
6722         * cselib.c (cselib_rtx_varies_p): Delete.
6723         (cselib_invalidate_mem): Update call to canon_true_dependence.
6724         * dse.c (record_store, check_mem_read_rtx): Likewise.
6725         (scan_reads_nospill): Likewise.
6726         * cse.c (check_dependence): Likewise.
6727         (cse_rtx_varies_p): Delete.
6728         * expr.c (safe_from_p): Update call to true_dependence.
6729         * ira.c (validate_equiv_mem_from_store): Likewise.
6730         (memref_referenced_p): Likewise.
6731         * postreload-gcse.c (find_mem_conflicts): Likewise.
6732         * sched-deps.c (sched_analyze_2): Likewise.
6733         * store-motion.c (load_kills_store): Likewise.
6734         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
6735         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6736         (compute_transp): Update call to canon_true_dependence.
6738 2012-01-25  Richard Henderson  <rth@redhat.com>
6740         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
6741         (maybe_emit_atomic_test_and_set): New.
6742         (expand_sync_lock_test_and_set): Use it.
6743         (expand_atomic_test_and_set): Likewise.
6744         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
6745         the implementation; clarify implementation defined details.
6746         * doc/md.texi (atomic_test_and_set): Document.
6748 2012-01-25  Richard Henderson  <rth@redhat.com>
6750         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
6752 2012-01-25  Richard Henderson  <rth@redhat.com>
6754         PR target/51968
6755         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
6756         to effect no-op split.
6758 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
6760         PR lto/51698
6761         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
6762         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
6763         (BT_FN_VOID_PTR_INT_SIZE): New.
6764         (BT_FN_UINT_UINT_VAR): Remove.
6765         (BT_FN_UINT32_UINT32_VAR): New.
6766         (BT_FN_DOUBLE_VPTR): Remove.
6767         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
6769         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
6770         (_ITM_changeTransactionMode): Same.
6771         (_ITM_memmoveRtWt): Change return type to void.
6772         (_ITM_memcpyRtWt): Same.
6773         (_ITM_memsetW): Same.
6774         (_ITM_RaRD): Change types to double.
6775         (_ITM_RD): Same.
6776         (_ITM_RaWD): Same.
6777         (_ITM_RfWD): Same.
6779         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
6781 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
6782             Patrick Marlier  <patrick.marlier@gmail.com>
6784         * trans-mem.c (requires_barrier): Do not instrument thread local
6785         variables and emit save/restore for them.
6787 2012-01-24  Jason Merrill  <jason@redhat.com>
6789         PR c++/51812
6790         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
6791         output static aliases.
6793 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
6795         PR driver/47249
6796         * common.opt (-pie, -shared, pie, shared): Change from Common to
6797         Driver.
6798         * gcc.c (display_help): Display help for -pie and -shared.
6800 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
6802         PR target/49868
6803         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
6804         Remove note on size/offset limitation.
6805         (AVR Variable Attributes): Add example how to read data located
6806         with progmem.  Refer to named address spaces.
6807         * doc/invoke.texi (AVR Options): Fix typo.
6809 2012-01-24  Richard Guenther  <rguenther@suse.de>
6811         Forward-port to trunk
6812         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
6814         PR middle-end/45678
6815         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
6816         op0 isn't sufficiently aligned and there is movmisalignM
6817         insn for mode, use it to load op0 into a temporary register.
6819 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
6821         PR target/51957
6822         * target.def (const_not_ok_for_debug_p): New hook.
6823         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
6824         documentation.
6825         * doc/tm.texi: Regenerated.
6826         * dwarf2out.c (const_ok_for_output_1): If
6827         targetm.const_not_ok_for_debug_p returns true, fail.
6828         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
6829         function.
6830         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
6832 2012-01-23  Kai Tietz  <ktietz@redhat.com>
6834         PR target/51900
6835         * config/i386/predicates.md (symbolic_operand): Allow
6836         UNSPEC_PCREL as PIC expression for lea.
6837         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
6838         * config/i386/i386.c (ix86_delegitimize_address): Handle
6839         UNSPEC_PCREL for none-MEM, too.
6841 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
6843         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
6844         (ipa_tm_create_version_alias): Same.
6846 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
6848         PR libitm/51830
6849         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
6850         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
6852 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
6853             Patrick Marlier  <patrick.marlier@gmail.com>
6854             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
6856         PR lto/51916
6857         * lto-wrapper.c (run_gcc): Pass the LTO section name to
6858         simple_object_start_read.
6860 2012-01-23  Richard Guenther  <rguenther@suse.de>
6863         PR tree-optimization/51895
6864         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
6865         parameter decomposition into BLKmode components.
6867 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
6869         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
6870         fake variables for restrict-qualified pointers whose pointed-to type
6871         contains a placeholder.
6873 2012-01-23  Richard Guenther  <rguenther@suse.de>
6875         PR tree-optimization/51949
6876         * ipa-split.c (execute_split_functions): Do not split malloc functions.
6878 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
6880         PR rtl-optimization/51933
6881         * ree.c (transform_ifelse): Return true right away if dstreg is
6882         already wider or equal to cand->mode.
6883         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
6884         (make_defs_and_copies_lists): Remove defs_list and copies_list
6885         arguments, add state argument, just truncate state->work_list
6886         instead of always allocating and freeing the vector.  Assert that
6887         get_defs succeeds instead of returning 2.  Changed return type to bool.
6888         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
6889         have ext_src_mode, see if it has been modified already with the
6890         right kind of extension and has been extended before from the
6891         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
6892         just return true.  Remember the original mode in state->modified array.
6893         (combine_reaching_defs): Add state argument.  Don't allocate and
6894         free here def_list, copied_list and vec vectors, instead just
6895         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
6896         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
6897         Add state variable, clear vectors in it, initialize state.modified
6898         if needed.  Free all the vectors at the end and state.modified too.
6899         Don't skip a candidate if the extension expression has been modified.
6901 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
6903         PR target/47096
6904         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
6905          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
6906         (extra_options) interix.opt -> i386/interix.opt"
6907         (extra_objs):Add winnt-stubs.o
6908         * configure.ac: Add interix to target_os .comm on PE check.
6909         * configure: Regenerate.
6910         * config/interix3.h: Delete and move bits to..
6911         * config/interix.h: Delete and move bits to..
6912         * config/i386/i386-interix3.h: Delete and move bits to..
6913         * config/i386/i386-interix.h: ..here.
6914         (TARGET_CPU_DEFAULT): Remove redefinition.
6915         (TARGET_ASM_CONSTRUCTOR): Undefine.
6916         (SUBTARGET_SWITCHES): Define for ms-bitfields.
6917         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
6918         (PTRDIFF_TYPE): Define.
6919         (LONG_DOUBLE_TYPE_SIZE): Define.
6920         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
6921         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6922         (TARGET_SECTION_TYPE_FLAGS): Define.
6923         (ASM_DECLARE_FUNCTION_NAME): Define.
6924         (ASM_OUTPUT_EXTERNAL): Define.
6925         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
6926         (ASM_OUTPUT_ALIGNED_BSS): Define.
6927         (PCC_BITFIELD_TYPE_MATTERS): Define.
6928         (USE_CONST_SECTION): Define.
6929         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
6930         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
6931         (SUPPORTS_ONE_ONLY): Remove.
6932         (I386_PE_STRIP_ENCODING): Define.
6933         * config/interix.opt: Delete and move bits to..
6934         * config/i386/interix.opt: ..here. New.
6935         (mpe-aligned-commons): Add.
6936         * config/i386/t-interix: Add copyright header.
6937         (winnt-stubs.o): Add rule.
6939 2012-01-22  Jason Merrill  <jason@redhat.com>
6941         PR c++/51832
6942         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
6943         for extra name aliases.
6945 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
6947         PR rtl-optimization/51924
6948         * ree.c (combine_set_extension): Improve debugging message.
6949         (combine_reaching_defs): Likewise.
6950         (get_defs): Rename confusingly named variable.
6951         (find_and_remove_re): Skip a candidate if the extension expression has
6952         been modified.
6954 2012-01-21  Robert Millan  <rmh@gnu.org>
6955             Gerald Pfeifer  <gerald@pfeifer.com>
6957         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
6958         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
6960 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
6962         PR tree-optimization/51914
6963         * tree-vect-stmts.c (vectorizable_conversion): For
6964         cvt_type && modifier == WIDEN, put temporary with cvt_type
6965         at the beginning of vec_dsts and set vec_dest to temporary
6966         with vectype_out.
6968 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
6970         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
6972 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
6974         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
6975         * config/rs6000/rs6000.c: Likewise.
6977 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
6979         PR target/51915
6980         * config/arm/arm.c (arm_count_output_move_double_insns): Call
6981         output_move_double on a copy of operands array.
6983 2012-01-20  Cary Coutant  <ccoutant@google.com>
6984             Dodji Seketeli  <dodji@redhat.com>
6986         PR debug/45682
6987         * dwarf2out.c (copy_declaration_context): Return ref to parent
6988         of declaration DIE, if necessary.
6989         (remove_child_or_replace_with_skeleton): Add new parameter; update
6990         caller.  Place skeleton DIE under parent DIE of original declaration.
6991         Move call to copy_declaration_context to here ...
6992         (break_out_comdat_types): ... from here.
6994 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6996         PR rtl-optimization/51856
6997         * reload.c (find_reloads_subreg_address): Set the address_reloaded
6998         flag to reloaded.
7000 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
7002         PR target/51819
7003         * config/arm/arm.c (arm_print_operand): Correct output of alignment
7004         hints for neon loads and stores.
7006 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
7008         PR target/49868
7009         PR target/50887
7010         * doc/extend.texi (Named Address Spaces): Split into subsections.
7011         (AVR Named Address Spaces): New subsection.
7012         (M32C Named Address Spaces): New subsection.
7013         (RL78 Named Address Spaces): New subsection.
7014         (SPU Named Address Spaces): New subsection.
7015         (Variable Attributes): New anchor "AVR Variable Attributes".
7016         (AVR Variable Attributes): Rewrite and avoid wording
7017         "address space" in this context.
7018         * doc/invoke.texi (AVR Options): Rewrite and add documentation
7019         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
7020         (AVR Built-in Macros): New subsubsection therein.
7021         * doc/md.texi (AVR constraints): Remove "C04", "R".
7023 2012-01-20  Richard Guenther  <rguenther@suse.de>
7025         PR tree-optimization/51903
7026         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
7027         when removing stmts.
7029 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
7031         PR target/50313
7032         * config/arm/arm.c (arm_load_pic_register): Use
7033         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
7034         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
7035         (arm_pic_static_addr): Likewise.
7036         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
7037         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
7038         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
7039         (pic_load_addr_unified): New.
7041 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
7043         PR target/51106
7044         * function.c (instantiate_virtual_regs_in_insn): Use
7045         delete_insn_and_edges when removing a wrong asm insn.
7047 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
7049         PR rtl-optimization/40761
7050         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
7051         Add new member loop_num.
7052         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
7053         (ira_build): Remove the parameter.
7055         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
7056         (ira.c): Do not build CFG loops for one region allocation.  Remove
7057         argument from ira_build call.
7059         * ira-build.c (init_loop_tree_node): New function.
7060         (create_loop_tree_nodes): Use it.  Separate the case when CFG
7061         loops are not built.
7062         (more_one_region_p): Check current_loops.
7063         (finish_loop_tree_nodes): Separate the case when CFG loops are not
7064         built.
7065         (add_loop_to_tree): Process loop equal to NULL too.
7066         (form_loop_tree): Separate the case when CFG loops are not built.
7067         Use explicitly number for the root.
7068         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
7069         an assertion.
7070         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
7071         instead of loop->num.
7072         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
7073         (mark_all_loops_for_removal): Ditto.
7074         (remove_unnecessary_regions): Separate the case when CFG loops
7075         are not built.
7076         (ira_build): Remove the parameter.  Use explicit number of regions
7077         when CFG loops are not built.
7079         * ira-color.c (print_loop_title): Separate the case for the root node.
7080         Use loop_num instead of loop->num.
7081         (move_spill_restore): Use loop_num instead of loop->num.
7083         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
7084         (change_loop): Ditto.
7085         (change_loop): Use loop_num instead of loop->num.
7087         * ira-lives.c (process_bb_node_lives): Ditto.
7089         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
7091         * ira-conflicts.c (print_allocno_conflicts): Ditto.
7093 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
7095         PR libmudflap/40778
7096         * tree-mudflap.c (mf_artificial): New function.
7097         (execute_mudflap_function_ops, execute_mudflap_function_decls,
7098         mx_register_decls, mudflap_enqueue_decl): Use it.
7100         PR target/51876
7101         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
7102         numbers in the insn pattern.
7104 2012-01-19  Michael Matz  <matz@suse.de>
7106         PR tree-optimization/46590
7107         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
7108         use it in remembering which conflicts we already created.
7109         (add_scope_conflicts): Adjust call to above, (de)allocate helper
7110         bitmap.
7112 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
7114         PR lto/51280
7115         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
7116         (merge_and_complain): Same.
7118 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
7120         PR bootstrap/50237
7121         * config/initfini-array.h: Guard content of the header
7122         with #ifdef HAVE_INITFINI_ARRAY.
7123         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
7124         Add initfini-array.h to tm_file here.
7125         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
7126         * config.gcc: Don't add initfini-array.h to tm_file here.
7127         * configure: Regenerated.
7129 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
7131         PR rtl-optimization/51505
7132         * df-problems.c (df_kill_notes): New parameter live. Update comment.
7133         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
7134         (df_note_bb_compute): Update the call to df_kill_notes.
7136 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
7138         * trans-mem.c (requires_barrier): Remove call to is_global_var.
7140 2012-01-18  Richard Guenther  <rguenther@suse.de>
7142         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
7143         of conversions to void *.
7145 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7146             Richard Sandiford  <rdsandiford@googlemail.com>
7148         PR middle-end/50325
7149         PR middle-end/51192
7150         * optabs.h (simplify_expand_binop): Declare.
7151         * optabs.c (simplify_expand_binop): Make global.
7152         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
7153         endian targets if the source cannot be exactly covered by word
7154         mode chunks.
7156 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
7158         PR bootstrap/51872
7159         * hard-reg-set.h (struct hard_reg_set_container): New type.
7160         * target.h (struct hard_reg_set_container): Forward declare.
7161         * target.def (set_up_by_prologue): New target hook.
7162         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
7163         * doc/tm.texi: Regenerated.
7164         * function.c (thread_prologue_and_epilogue_insns): Change
7165         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
7166         Call targetm.set_up_by_prologue on it.
7167         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
7168         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
7170 2012-01-17  Nick Clifton  <nickc@redhat.com>
7172         * config/rx/rx.c (rx_can_use_simple_return): New function.
7173         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
7174         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
7176 2012-01-17  Richard Guenther  <rguenther@suse.de>
7178         PR middle-end/51782
7179         * expr.c (expand_assignment): Take address-space information
7180         from the address operand of MEM_REF and TARGET_MEM_REF.
7181         (expand_expr_real_1): Likewise.
7183 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7185         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
7186         reload dump is requested.
7188 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
7190         PR other/51165
7191         * trans-mem.c (requires_barrier): Call may_be_aliased.
7193 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
7195         PR tree-optimization/51877
7196         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
7197         call arguments and fndecls compare equal, instead return false if they
7198         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
7199         both SSA_NAMEs that are valueized the same, or they satisfy
7200         operand_equal_p.
7202 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7204         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
7205         Solaris 11+.
7206         * configure: Regenerate.
7208 2012-01-16  Jan Hubicka  <jh@suse.cz>
7210         PR c/12245
7211         PR c++/14179
7212         * convert.c (convert_to_integer): Use fold_convert for
7213         converting an INTEGER_CST to integer type.
7215 2012-01-16  Jason Merrill  <jason@redhat.com>
7217         PR c++/14179
7218         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
7220 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
7222         PR bootstrap/51860
7223         * config/s390/s390.c (s390_chunkify_start): Don't skip
7224         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
7225         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
7226         If insn is followed by NOTE_INSN_VAR_LOCATION or
7227         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
7228         Don't use location of note insns.
7230         PR tree-optimization/51865
7231         * tree-inline.c (tree_function_versioning): Call remap_decl
7232         on DECL_RESULT whenever it has VOID_TYPE_P type.
7234 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
7236         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
7237         for calls to locally-binding MIPS16 functions if only the return
7238         type uses float regs.
7240 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
7241             Richard Sandiford  <rdsandiford@googlemail.com>
7243         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
7244         (SYMBOL_32_HIGH): Likewise.
7245         (mips_output_tls_reloc_directive): Declare.
7246         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
7247         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
7248         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
7249         (mips_lo_relocs, mips_hi_relocs): Make extern.
7250         (mips16_stub_function): Move up file.
7251         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
7252         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
7253         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
7254         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
7255         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
7256         (mips_get_tp): Add MIPS16 support.
7257         (mips_legitimize_tls_address): Remove MIPS16 sorry().
7258         Generalize DTPREL and TPREL handling.
7259         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
7260         Add MIPS16 TLS support.
7261         (mips_output_tls_reloc_directive): New function.
7262         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
7263         * config/mips/predicates.md (symbolic_operand_with_high)
7264         (tls_reloc_operand): New predicates.
7265         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
7266         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
7267         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
7268         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
7269         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
7270         (*tls_get_tp_mips16_call_<mode>): Likewise.
7272 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
7274         PR rtl-optimization/51821
7275         * recog.c (peep2_find_free_register): Determine clobbered registers
7276         from insn pattern.
7278 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
7280         PR target/50925
7281         * config/avr/avr-protos.h: Revert change of 2012-01-09.
7282         * config/avr/avr.c: Likewise.
7283         * config/avr/avr.h: Likewise.
7285 2012-01-13  Ian Lance Taylor  <iant@google.com>
7287         PR c++/50012
7288         * tree.h (TYPE_QUALS): Add cast to int.
7289         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
7291 2012-01-13  Ian Lance Taylor  <iant@google.com>
7293         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
7294         comparing param_index to VEC_length result.
7296 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
7298         * c-decl.c: Do not include tree-mudflap.h
7299         * tree-optimize.c: Likewise.
7300         * Makefile.in: Update dependencies.
7302 2012-01-13  Richard Guenther  <rguenther@suse.de>
7304         PR middle-end/8081
7305         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
7306         variable-sized result always use RSO.
7308 2012-01-12  DJ Delorie  <dj@redhat.com>
7310         * cfgexpand.c (convert_debug_memory_address): Allow any valid
7311         pointer type, not just the default pointer type.
7313 2012-01-09  Richard Henderson  <rth@redhat.com>
7314             Denis Chertykov  <chertykov@gmail.com>
7316         PR target/50925
7317         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
7318         * config/avr/avr.c (avr_can_eliminate): Simplify.
7319         (avr_initial_elimination_offset): Likewise.
7320         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
7321         (expand_epilogue): Likewise.
7322         (avr_legitimize_address): Gut.
7323         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
7324         (avr_hard_regno_nregs): New.
7325         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
7326         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
7327         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
7328         add soft frame pointer.
7329         (CALL_USED_REGISTERS): Likewise.
7330         (REG_CLASS_CONTENTS): Likewise.
7331         (REGISTER_NAMES): Likewise.
7332         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
7333         (HARD_FRAME_POINTER_REGNUM): New.
7334         (FRAME_POINTER_REGNUM): Use soft frame pointer.
7335         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
7336         remove the HARD_FRAME_POINTER self-elimination.
7338 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
7340         PR target/51756
7341         * config/avr/avr.c (avr_encode_section_info): Test for absence of
7342         DECL_EXTERNAL when checking for initializers of progmem variables.
7344 2012-01-12  Ira Rosen  <irar@il.ibm.com>
7346         PR tree-optimization/51799
7347         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
7348         that the last operation is a type demotion.
7350 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
7352         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
7353         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
7355 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
7357         PR bootstrap/51796
7358         * combine.c (distribute_notes): If i3 is a noreturn call,
7359         allow old_size to be equal to args_size and make sure the
7360         noreturn call gets REG_ARGS_SIZE note.
7361         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
7362         on noreturn calls even when the delta is 0.
7364 2012-01-11  Nathan Sidwell  <nathan@acm.org>
7366         * gcov.c (STRING_SIZE): Remove.
7367         (generate_results): Erase annotations for source files with no
7368         coverage information.
7369         (read_line): New.
7370         (output_lines): Use it.
7372 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
7374         * gimple.h (gimplify_body): Remove first argument.
7375         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
7376         pointer set here, instead just pass DATA to walk_tree.
7377         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
7378         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
7379         (unvisit_body): Likewise, but with unmark_visited.
7380         (gimplify_body): Remove BODY_P argument and adjust.
7381         (gimplify_function_tree): Adjust call to gimplify_body.
7382         * omp-low.c (finalize_task_copyfn): Likewise.
7384 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
7386         * tree.h (build_function_decl_skip_args): Add boolean parameter.
7387         (build_function_type_skip_args): Delete.
7388         * tree.c (build_function_type_skip_args): Make static and add
7389         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
7390         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
7391         pass it to build_function_type_skip_args.
7392         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
7393         (tree_function_versioning): Likewise.
7394         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
7395         build_function_decl_skip_args.
7396         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
7397         and pass it to build_function_decl_skip_args/tree_function_versioning.
7398         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
7399         * ipa-inline-transform.c (save_inline_function_body): Likewise.
7400         * trans-mem.c (ipa_tm_create_version): Likewise.
7401         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
7402         * tree-inline.c (declare_return_variable): Remove always-true test.
7403         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
7404         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
7405         * ipa-split.c (split_function): Skip the return value for the split
7406         part if it doesn't return.
7408 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7410         PR tree-optimization/49642
7411         * ipa-split.c (forbidden_dominators): New variable.
7412         (check_forbidden_calls): New function.
7413         (dominated_by_forbidden): Likewise.
7414         (consider_split): Check for forbidden dominators.
7415         (execute_split_functions): Initialize and free forbidden
7416         dominators info; call check_forbidden_calls.
7418 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
7420         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
7422 2012-01-11  Nick Clifton  <nickc@redhat.com>
7424         * config/rx/rx.md (return): Define pattern.
7426 2012-01-11  Richard Guenther  <rguenther@suse.de>
7428         * doc/extend.texi (malloc attribute): Adjust according to
7429         implementation.
7431 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
7432             Patrick Marlier  <patrick.marlier@gmail.com>
7434         PR middle-end/51516
7435         * trans-mem.c (get_cg_data): Traverse aliases if requested.
7436         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
7437         (ipa_tm_note_irrevocable): Same.
7438         (ipa_tm_scan_irr_block): Same.
7439         (ipa_tm_decrement_clone_counts): Same.
7440         (ipa_tm_scan_irr_function): Same.
7441         (ipa_tm_create_version_alias): Same.
7442         (ipa_tm_create_version): Same.
7443         (ipa_tm_transform_calls_redirect): Same.
7444         (ipa_tm_transform_calls): Same.
7445         (ipa_tm_transform_transaction): Same.
7446         (ipa_tm_execute): Same.
7448 2012-01-10  Richard Guenther  <rguenther@suse.de>
7450         PR middle-end/51806
7451         * opts.c (common_handle_option): Handle -Werror.
7453 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
7455         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
7456         operand number.
7458 2012-01-10  Jason Merrill  <jason@redhat.com>
7460         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
7461         information.
7463 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7465         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
7466         supports R_386_TLS_GD_PLT reloc.
7467         (gcc_cv_as_ix86_tlsldmplt): Check if linker
7468         supports R_386_TLS_LDM_PLT reloc.
7469         * configure: Regenerate.
7470         * config.in: Regenerate.
7472 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
7474         PR target/49868
7475         Extend __pgmx semantics to linearize memory.
7476         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
7477         determine if code comes inline or from libgcc.
7478         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
7479         (movmem_qi, movmem_qi): Set constraint #2 to "n".
7480         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
7481         (movmemx_qi, movmemx_hi): New insns.
7482         (xload_<mode>_libgcc): Rewrite to new insn condition.
7483         (xload_<mode>): Remove insns.
7484         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
7485         cases that don't satisfy avr_xload_libgcc_p().
7486         (avr_addr_space_convert): Allow converting in any direction.
7487         (avr_addr_space_subset_p): Return always true.
7488         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
7489         (avr_emit_movmemhi): Ditto.
7490         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
7491         (avr_out_movmem): Ditto.
7492         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
7493         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
7494         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
7495         (avr_encode_section_info): Encode 'progmem' in symbol flags.
7496         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
7498 2012-01-10  Richard Guenther  <rguenther@suse.de>
7500         PR tree-optimization/50913
7501         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
7502         Require data-refs to be representable by Graphite with respect
7503         to any loop nest.
7505 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
7507         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
7508         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
7510 2012-01-10  Tom de Vries  <tom@codesourcery.com>
7512         PR rtl-optimization/51271
7513         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
7514         handling annulled branch.
7516 2012-01-10  Richard Henderson  <rth@redhat.com>
7518         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
7519         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
7520         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
7521         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
7522         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
7523         arm_expand_vec_perm_const): New.
7524         * config/arm/arm-protos.h: Update.
7525         * config/arm/neon.md (UNSPEC_VCONCAT): New.
7526         (*neon_vswp<VDQX>): New.
7527         (neon_vcombine<VDX>): Use neon_split_vcombine.
7528         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
7529         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
7530         (vec_perm<VE>): New.
7532 2012-01-10  Richard Henderson  <rth@redhat.com>
7534         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
7535         use it if reload_completed.
7536         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
7537         arm_output_asm_insn, arm_process_output_memory_barrier,
7538         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
7539         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
7540         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
7541         arm_process_output_sync_insn, arm_output_sync_insn,
7542         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
7543         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
7544         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
7545         (emit_unlikely_jump): New.
7546         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
7547         (arm_split_atomic_op): New.
7548         * config/arm/arm-protos.h: Update.
7549         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
7550         (struct arm_sync_generator): Remove.
7551         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
7552         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
7553         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
7554         (VUNSPEC_LL, VUNSPEC_SC): New.
7555         (sync_result, sync_memory, sync_required_value, sync_new_value,
7556         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
7557         (attr length): Don't use arm_sync_loop_insns.
7558         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
7559         (movsfcc, movdfcc): Likewise.
7560         * config/arm/constraints.md (Ua): New.
7561         * config/arm/prediates.md (mem_noofs_operand): New.
7562         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
7563         (sync_clobber, sync_t2_reqd): Remove.
7564         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
7565         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
7566         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
7567         (arm_sync_compare_and_swap<SIDI>): Remove.
7568         (arm_sync_compare_and_swap<NARROW>): Remove.
7569         (arm_sync_lock_test_and_set<SIDI>): Remove.
7570         (arm_sync_lock_test_and_set<NARROW>): Remove.
7571         (arm_sync_new_<syncop><SIDI>): Remove.
7572         (arm_sync_new_<syncop><NARROW>): Remove.
7573         (arm_sync_new_nand<SIDI>): Remove.
7574         (arm_sync_new_nand<NARROW>): Remove.
7575         (arm_sync_old_<syncop><SIDI>): Remove.
7576         (arm_sync_old_<syncop><NARROW>): Remove.
7577         (arm_sync_old_nand<SIDI>): Remove.
7578         (arm_sync_old_nand<NARROW>): Remove.
7579         (*memory_barrier): Merge arm_output_memory_barrier.
7580         (atomic_compare_and_swap<QHSD>): New.
7581         (atomic_compare_and_swap<NARROW>_1): New.
7582         (atomic_compare_and_swap<SIDI>_1): New.
7583         (atomic_exchange<QHSD>): New.
7584         (cas_cmp_operand, cas_cmp_str): New.
7585         (atomic_op_operand, atomic_op_str): New.
7586         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
7587         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
7588         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
7589         (arm_load_exclusive<NARROW>): New.
7590         (arm_load_exclusivesi, arm_load_exclusivedi): New.
7591         (arm_store_exclusive<QHSD>): New.
7593 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
7595         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
7596         reload patterns if -mvsx-scalar-memory.
7598         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
7599         generated, even -mno-vsx-scalar-double was used.
7600         (vsx_xscvdpsp_scalar): Likewise.
7601         (vsx_xscvspdp_scalar2): Likewise.
7603 2012-01-09  Tom de Vries  <tom@codesourcery.com>
7604             Andrew Pinski  <apinski@cavium.com>
7606         PR debug/51471
7607         * reorg.c (fill_slots_from_thread): Don't speculate
7608         frame-related insns.
7610 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
7612         * sched-int.h (bb_note): Move to...
7613         * basic-block.h: ...here.
7614         * haifa-sched.c (bb_note): Move to...
7615         * cfgrtl.c: ...here.
7616         * function.c (next_block_for_reg): New function.
7617         (move_insn_for_shrink_wrap): Likewise.
7618         (prepare_shrink_wrap): Rewrite to use the above.
7620 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
7622         * gimple.c (is_gimple_non_addressable): Remove.
7623         * gimple.h: Remove is_gimple_non_addressable.
7624         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
7625         is_gimple_non_addressable.
7626         * trans-mem.c (expand_assign_tm): Same.
7628 2012-01-09  Richard Guenther  <rguenther@suse.de>
7630         PR tree-optimization/51775
7631         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
7632         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
7634 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
7636         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
7637         tuning parameters.
7638         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
7640 2012-01-09  Richard Guenther  <rguenther@suse.de>
7642         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
7644 2012-01-08  Jan Hubicka  <jh@suse.cz>
7646         PR tree-optimize/51680
7647         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
7648         on when known_vals needs to be computed; cleanup.
7650 2012-01-08  Jan Hubicka  <jh@suse.cz>
7652         PR tree-optimize/51694
7653         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
7655 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
7657         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
7658         for -std=c++98 and -std=c++11 too.
7660 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
7662         * cfgloop.c (cancel_loop): Add free() of bbs array.
7664 2012-01-07  Jan Hubicka  <jh@suse.cz>
7666         PR tree-optimization/51600
7667         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
7668         that benefits small functions.
7670 2012-01-07  Jan Hubicka  <jh@suse.cz>
7672         * ipa-inline.c (want_inline_small_function_p): Fix formating.
7674 2012-01-07  Jan Hubicka  <jh@suse.cz>
7676         PR tree-optimization/51680
7677         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
7678         whose inlining reduce unit size.
7680 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
7682         PR bootstrap/51725
7683         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
7684         Add canonical node to containing_mem chain after the non-canonical
7685         one, even if there weren't any locs to propagate.
7686         (remove_useless_values): Keep only canonical values.
7687         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
7688         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
7689         canonicalize mem_chain elements that are not discarded.
7691 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
7693         PR target/47333
7694         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
7695         before emitting functions.
7697         PR gcov-profile/50127
7698         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
7699         clear_aux_for_blocks.
7701 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
7703         PR debug/51746
7704         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
7706 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
7708         * c-decl.c (ext_block): Moved up.
7709         (collect_all_refs, for_each_global_decl): Take ext_block into account.
7711 2012-01-06  Han Shen  <shenhan@google.com>
7713         Translate built-in include paths for sysroot.
7714         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
7715         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
7717         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
7718         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
7720         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
7721         control whether sysroot should be prepended to gxx include dir.
7723         * configure: Regenerate.
7725 2012-01-06  Torvald Riegel  <triegel@redhat.com>
7727         PR rtl-optimization/51771
7728         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
7729         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
7731 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
7733         PR tree-optimization/51315
7734         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
7735         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
7737 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
7739         PR target/51681
7740         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
7741         for shrp pattern.  Correctly handle and fixup shift variable.
7742         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
7744 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7746         PR debug/51762
7747         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
7748         note when !ACCUMULATE_OUTGOING_ARGS.
7750 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
7752         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
7753         condition.
7754         (extract_range_from_unary_expr_1): Avoid useless computations.
7756 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7758         PR rtl-optimization/51767
7759         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
7760         of jump_block and add an extra edge for degenerated asm gotos.
7762         PR middle-end/51768
7763         * stmt.c (check_unique_operand_names): Don't ICE during error
7764         reporting if i is from labels chain.
7766         PR middle-end/44777
7767         * profile.c (branch_prob): Split bbs that have exit edge
7768         and need a fake entry edge too.
7770 2012-01-05  Jan Hubicka  <jh@suse.cz>
7772         PR middle-end/49710
7773         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
7774         unlooping loops.
7776 2012-01-05  Richard Guenther  <rguenther@suse.de>
7778         PR lto/50490
7779         * tree-streamer-out.c (write_ts_optimization): New function.
7780         (streamer_write_tree_body): Call it.
7781         * tree-streamer-in.c (lto_input_ts_optimization): New function.
7782         (streamer_read_tree_body): Call it.
7783         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
7785 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7787         PR middle-end/51761
7788         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
7789         * gimplify.c (gimplify_cleanup_point_expr): Save and set
7790         in_cleanup_point_expr before gimplify_stmt call and restore it
7791         afterwards.
7792         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
7793         in_cleanup_point_expr is false.
7795 2012-01-05  Richard Guenther  <rguenther@suse.de>
7797         PR middle-end/51764
7798         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
7799         to c.opt.
7800         * toplev.c (process_options): Reject combining mudflap and LTO.
7801         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
7803 2012-01-05  Richard Guenther  <rguenther@suse.de>
7805         PR tree-optimization/51760
7806         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
7807         not VARYING.
7808         (bit_value_unop): Handle UNDEFINED operands.
7809         (bit_value_binop): Likewise.
7811 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
7813         * config/avr/avr.c (avr_replace_prefix): Remove.
7814         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
7815         (avr_asm_function_rodata_section): Ditto.
7816         (avr_asm_select_section): Ditto.
7818 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
7820         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
7821         insertion.
7823 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
7825         PR bootstrap/51648
7826         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
7827         calls that have any non-fake successor edges.
7829         PR debug/51746
7830         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
7832 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
7834         PR tree-optimization/51624
7835         * tree-sra.c (build_ref_for_model): When replicating a chain of
7836         COMPONENT_REFs, stop as soon as the offset would become negative.
7838 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
7840         PR debug/51695
7841         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
7842         in .debug_loc on the floor.
7844 2012-01-04  Andrew Pinski  <apinski@cavium.com>
7846         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
7848 2012-01-04  Andrew Pinski  <apinski@cavium.com>
7849             Adam Nemet  <anemet@caviumnetworks.com>
7851         * config/mips/mips.md (size): Add SI and DI.
7852         (SIZE): New mode attribute.
7853         (U): New code attribute.
7854         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
7855         (mips_lbux_<mode>): Delete.
7856         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
7857         (mips_lhx): Use gen_mips_lhx_extsi.
7858         (mips_lhx_<mode>): Delete.
7859         (mips_lwx): Delete.
7860         (mips_l<size>x): New expand.
7861         (mips_lwx_<mode>): Delete.
7862         (mips_l<GPR:size>x_<P:mode>): New pattern.
7863         (*mips_lw<u>x_<P:mode>_ext): Likewise.
7864         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
7865         * config/mips/mips.c (mips_lx_address_p): New function.
7866         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
7867         (dsp64): New availability predicate.
7868         (mips_builtins): Add an entry for __builtin_mips_ldx.
7869         * config/mips/mips.h (ISA_HAS_LBX): New define.
7870         (ISA_HAS_LBUX): Likewise.
7871         (ISA_HAS_LHX): Likewise.
7872         (ISA_HAS_LHUX): Likewise.
7873         (ISA_HAS_LWX): Likewise.
7874         (ISA_HAS_LWUX): Likewise.
7875         (ISA_HAS_LDX): Likewise.
7876         * doc/extend.texi (__builtin_mips_ldx): Document.
7878 2012-01-04  Tristan Gingold  <gingold@adacore.com>
7880         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
7881         when long pointers are used.
7882         * config.build (*-*-*vms*): Handle all OpenVMS targets.
7883         (alpha64-dec-*vms*, alpha*-dec-*vms*)
7884         (ia64-hp-*vms*): Remove.
7885         * config/vms/xm-vms64.h: Delete.
7887 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
7889         PR middle-end/51472
7890         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
7892 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
7894         * opts.c (finish_options): Remove duplicate sorry.
7896 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
7898         PR middle-end/51696
7899         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
7900         correctly.
7902 2012-01-04  Richard Guenther  <rguenther@suse.de>
7904         PR middle-end/51750
7905         * tree.c (size_low_cst): New function.
7906         * tree.h (size_low_cst): Declare.
7907         * fold-const.c (fold_comparison): Use it to extract the low
7908         part of the POINTER_PLUS_EXPR offset.
7910 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
7912         Fix clearing ZERO_REG
7913         * config/avr/avr.md (cc): Add alternative "ldi".
7914         (movqi_insn): Use it in cc attribute.
7915         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
7916         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
7917         (output_reload_insisf): Use ZERO_REG to pre-clear register.
7919 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7921         * configure: Regenerate.
7923 2012-01-04  Richard Guenther  <rguenther@suse.de>
7925         PR tree-optimization/49651
7926         * tree-ssa-structalias.c (type_can_have_subvars): New function.
7927         (var_can_have_subvars): Use it.
7928         (get_constraint_for_1): Only consider subfields if there can be any.
7930 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
7932         PR bootstrap/51725
7933         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
7934         to its new canonical_cselib_val and the cselib_val was in
7935         first_containing_mem chain, but the canonical_cselib_val was not,
7936         add the latter into the chain.
7937         (cselib_invalidate_mem): Compare canonical_cselib_val of
7938         addr_list chain elt with v.
7940         PR pch/51722
7941         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
7942         dwarf2out_undef): Allocate e.info using ggc_strdup instead
7943         of xstrdup.
7944         (output_macinfo_op): Don't ggc_strdup fd->filename.
7945         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
7946         then ggc_strdup it.  Don't free inc->info or cur->info.
7947         (output_macinfo): Don't free ref->info or file->info.
7949 2012-01-03  Ira Rosen  <irar@il.ibm.com>
7951         PR tree-optimization/51269
7952         * tree-vect-loop-manip.c (set_prologue_iterations): Make
7953         first_niters a pointer.
7954         (slpeel_tree_peel_loop_to_edge): Likewise.
7955         (vect_do_peeling_for_loop_bound): Update call to
7956         slpeel_tree_peel_loop_to_edge.
7957         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
7958         here.  Remove it from the parameters list.
7959         (vect_do_peeling_for_alignment): Update calls and compute
7960         wide_prolog_niters.
7962 2012-01-03  Richard Guenther  <rguenther@suse.de>
7964         PR tree-optimization/51070
7965         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
7966         Properly handle calls.
7968 2012-01-03  Richard Guenther  <rguenther@suse.de>
7970         PR tree-optimization/51692
7971         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
7972         the LHS of allocation stmts.
7974 2012-01-03  Olivier Hainque  <hainque@adacore.com>
7976         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
7978 2012-01-03  Olivier Hainque  <hainque@adacore.com>
7980         * collect2.c (main): In AIX specific computations for vector
7981         insertions, use CONST_CAST2 to cast from char ** to const char **.
7983 2012-01-03  Richard Guenther  <rguenther@suse.de>
7985         PR debug/51650
7986         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
7987         the context of a limbo DIE when it does not already exist.
7989 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
7991         PR tree-optimization/51719
7992         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
7993         but direct call is, clear direct call's lhs and don't add fallthrough
7994         edge from dcall_bb to join_bb and PHIs.
7996 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7998         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
7999         the instructions emitted by the pattern.
8000         ("*TDC_insn_<mode>"): Add comment.
8002 2012-01-03  Richard Guenther  <rguenther@suse.de>
8004         PR middle-end/51730
8005         * fold-const.c (fold_comparison): Properly canonicalize
8006         tree offset and HOST_WIDE_INT bit position.
8008 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
8010         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
8011         operands for extzv pattern.
8013 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
8015         PR bootstrap/51725
8016         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
8017         on mem_elt first.
8019 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
8021         * doc/invoke.texi (-flto and related options): Copy-edit.
8023 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
8025         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
8027 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
8029         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
8030         New patterns.
8032 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
8034         * expr.h (move_by_pieces_ninsns): Declare.
8035         * expr.c (move_by_pieces_ninsns): Make external.
8036         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
8037         (mips_store_by_pieces_p): Likewise.
8038         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
8039         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
8040         * config/mips/mips.c (mips_move_by_pieces_p): New function.
8041         (mips_store_by_pieces_p): Likewise.
8043 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
8045         * passes.c (register_one_dump_file): Free full_name.
8047         * reload1.c (reload): Don't allocate reg_max_ref_width here.
8048         (calculate_elim_costs_all_insns): Free offsets_at and
8049         offsets_known_at at the end and clear the pointers.
8051 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
8053         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
8054         this option introduced in r180739.
8056 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
8058         PR target/51345
8059         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
8060         (tmake_file target=avr): Add avr/t-multilib.
8062         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
8063         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
8064         * config/avr/genmultilib.awk: New file.
8065         * config/avr/t-multilib: New auto-generated file.
8066         * config/avr/multilib.h: New auto-generated file.
8067         * config/avr/t-avr (AVR_MCUS): New variable.
8068         (genopt.sh): Use it.
8069         (s-mlib): Depend on t-multilib.
8070         (t-multilib, multilib.h): New dependencies.
8071         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
8072         (MULTILIB_OPTIONS): Remove.
8073         (MULTILIB_MATCHES): Remove.
8074         (MULTILIB_DIRNAMES): Remove.
8075         (MULTILIB_EXCEPTIONS): Remove:
8076         * config/avr/genopt.sh: Don't use hard coded file name;
8077         pass AVR_MCUS from t-avr instead.
8079 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
8081         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
8083 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
8085         Implement light-weight DImode support.
8086         * config/avr/avr-dimode.md: New file.
8087         * config/avr/avr.md: Include it.
8088         (adjust_len): Add plus64, compare64.
8089         (HIDI): Remove code iterator.
8090         (code_stdname): New code attribute.
8091         (rotx, rotsmode): Remove DI.
8092         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
8093         as code iterator.
8094         * config/avr/avr-protos.h (avr_have_dimode): New.
8095         (avr_out_plus64, avr_out_compare64): New.
8096         * config/avr/avr.c (avr_out_compare): Handle DImode.
8097         (avr_have_dimode): New variable definition and initialization.
8098         (avr_out_compare64, avr_out_plus64): New functions.
8099         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
8100         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
8101         (avr_compare_pattern): Skip DImode comparisons.
8103 2012-01-02  Revital Eres  <revital.eres@linaro.org>
8105         * ddg.c (def_has_ccmode_p): New function.
8106         (add_cross_iteration_register_deps,
8107         create_ddg_dep_from_intra_loop_link): Call it.
8109 2012-01-02  Richard Guenther  <rguenther@suse.de>
8111         PR other/51679
8112         * invoke.texi (fassociative-math): Remove spurious paranthesis.
8114 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
8116         * gcc.c (process_command): Update copyright notice dates.
8117         * gcov.c (print_version): Likewise.
8118         * gcov-dump.c (print_version): Likewise.
8119         * mips-tfile.c (main): Likewise.
8120         * mips-tdump.c (main): Likewise.
8122 2012-01-01  Ira Rosen  <irar@il.ibm.com>
8124         PR tree-optimization/51704
8125         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
8126         a use is inside the basic block or loop before accessing its vect info.
8128 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
8130         PR rtl-optimization/51069
8131         * cfgloopmanip.c (remove_path): Removing path making irreducible
8132         region unconditional makes BB part of the region.
8134 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
8136         PR tree-optimization/51683
8137         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
8138         calls with side-effects.
8139         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
8141 Copyright (C) 2012 Free Software Foundation, Inc.
8143 Copying and distribution of this file, with or without modification,
8144 are permitted in any medium without royalty provided the copyright
8145 notice and this notice are preserved.