* arm.h (TARGET_CPU_CPP_BUILTINS): Remove Maverick support.
[official-gcc.git] / gcc / ChangeLog
blobbae00c6ba3f6ca5b141df48e1e074b7cd51b5ceb
1 2012-07-07  Richard Earnshaw  <rearnsha@arm.com>
3         * arm.h (TARGET_CPU_CPP_BUILTINS): Remove Maverick support.
4         (TARGET_FPA): Delete definition.
5         (TARGET_MAVERICK): Likewise.
6         (TARGET_FPA_EMU2): Likewise.
7         (arm_fp_model): Remove FPA and Maverick models.
8         (arm_arch_cirrus): Delete declaration.
9         (FLOAT_WORDS_BIG_ENDIAN): Delete definition.
10         (FIXED_REGISTERS): Remove FPA and Maverick support.  Reorganize.
11         (CALL_USED_REGISTERS): Likewise.
12         (FIRST_FPA_REGNUM, LAST_FPA_REGNUM): Delete definition.
13         (FIRST_VFP_REGNUM): Renumbered.
14         (D7_VFP_REGNUM): Chain definition.
15         (LAST_LO_VFP_REGNUM): Likewise.
16         (FIRST_HI_VFP_REGNUM): Likewise.
17         (LAST_HI_VFP_REGNUM): Likewise.
18         (FIRST_IWMMXT_GR_REGNUM): Likewise.
19         (LAST_IWMMXT_GR_REGNUM): Likewise.
20         (FIRST_IWMMXT_REGNUM): Likewise.
21         (LAST_IWMMXT_REGNUM): Likewise.
22         (FRAME_POINTER_REGNUM): Renumbered.
23         (ARG_POINTER_REGNUM): Renumbered.
24         (FIRST_PSEUDO_REGISTER): Remove FPA and Maverick registers.
25         (FIRST_CIRRUS_FP_REGNUM, LAST_CIRRUS_FP_REGNUM): Delete definitions.
26         (HARD_REGNO_REGNUM): Remove FPA support.
27         (REG_ALLOC_ORDER): Remove FPA and Maverick registers.  Reorganize.
28         (reg_class): Likewise.
29         (REG_CLASS_NAMES): Likewise.
30         (REG_CLASS_CONTENTS): Likewise.
31         (CANNOT_CHANGE_MODE_CLASS): Never true.  Update comment.
32         (SECONDARY_INPUT_RELOAD_CLASS): Remove Maverick support.
33         (CLASS_MAX_NREGS): Remove FPA and Maverick support.
34         * aout.h (REGISTER_NAMES): Remove FPA and Maverick registers.
35         Reorganize.  Use AAPCS preferred names.
36         (ADDITIONAL_REGISTER_NAMES): Remove aliases for Maverick.  Update
37         comments.
38         (OVERLAPPING_REGISTER_NAMES): Update register numbering.
39         * arm.c (FL_CIRRUS): Delete definition.
40         (arm_arch_cirrus): Delete variable.
41         (arm_float_words_big_endian): Delete function.
42         (cirrus_memory_offset): Delete function.
43         (output_mov_long_double_fpa_from_arm): Delete function.
44         (output_mov_long_double_arm_from_fpa): Delete function.
45         (output_mov_double_fpa_from_arm): Delete function.
46         (output_mov_double_arm_from_fpa): Delete function.
47         (emit_sfm): Delete function.
48         (maybe_get_arm_condition_code): Update comment.
49         (arm_file_start): Always use softvfp for softfloat systems.
50         (thumb_core_reg_alloc_order): Adjust for updated register allocation.
51         (arm_option_override): Remove FPA and Maverick support.  Always
52         default to vfp as the fallback FPU format.
53         (use_return_insn): Remove FPA support.
54         (arm_get_frame_offsets): Likewise.
55         (arm_save_coproc_regs): Likewise.
56         (arm_canonicalize_comparison): Remove Maverick support.
57         (arm_select_cc_mode): Likewise.
58         (arm_gen_compare_reg): Likewise.
59         (arm_print_operand): Likewise.
60         (arm_libcall_value_1): Remove FPA and Maverick support.
61         (arm_function_value_regno_p): Likewise.
62         (arm_apply_result_size): Likewise.
63         (arm_legitimate_index_p): Likewise.
64         (thumb2_legitimate_index_p): Likewise.
65         (legitimize_reload_address): Likewise.
66         (arm_register_move_cost): Likewise.
67         (arm_hard_regno_mode_ok): Likewise.
68         (arm_regno_class): Likewise.
69         (arm_dbx_register_number): Likewise.
70         (arm_emit_unwind_sequence): Likewise.
71         (arm_conditional_register_usage): Likewise.
72         * arm-protos.h (neg_const_double_rtx_ok_for_fpa): Remove declaration.
73         (cirrus_memory_offset): Likewise.
74         (output_move_long_double_fpa_from_arm): Likewise.
75         (output_move_long_double_arm_from_fpa): Likewise.
76         (output_move_double_fpa_from_arm): Likewise.
77         (output_move_double_arm_from_fpa): Likewise.
78         (arm_float_words_big_endian): Likewise.
79         * arm.md (CC_REGNUM): Renumbered.
80         (VFPCC_REGNUM): Moved here.  Renumbered.
81         (FPA_F0_REGNUM, FPA_F7_REGNUM): Delete.
82         (attr fpu): Remove FPA and Maverick support.
83         * vfp.md (VFPCC_REGNUM): Delete.  Moved to arm.md.
84         * arm-cores.def (ep9312): Remove Maverick support.
85         * arm-arches.def (ep9312): Delete architecture.
86         * arm-tables.opt: Regenerated.
88         * arm/linux-elf.h (FPUTYPE_DEFAULT): Set to vfp.
90 2012-07-07  Steven Bosscher  <steven@gcc.gnu.org>
92         PR tree-optimization/53881
93         * tree-switch-conversion.c (emit_case_bit_tests): Do not rely on
94         comparing labels to establish uniqueness of a switch case target,
95         use the CFG instead.
97 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
99         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
100         due to negative shift amount.
102 2012-07-07  Hans-Peter Nilsson  <hp@axis.com>
104         Fix configure test for "stack protector support in target C library".
105         * configure.ac (test_prefix, test_exec_prefix): Move setting from
106         inside sysroot handling to before and outside it.
107         * configure: Regenerate.
109 2012-07-06  Kai Tietz  <ktietz@redhat.com>
111         PR bootstrap/52947
112         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
113         as "/mingw/include".
115 2012-07-06  Alexandre Oliva  <aoliva@redhat.com>
117         PR debug/53820
118         * var-tracking.c (vt_add_function_parameter): Convert
119         internal_arg_pointer into arg_pointer-based address even
120         without DRAP.
122 2012-07-06  Alexandre Oilva  <aoliva@redhat.com>
124         PR rtl-optimization/53827
125         PR debug/53671
126         PR debug/49888
127         * alias.c (memrefs_conflict_p): Adjust offset and size by the
128         same amount for alignment ANDs.
130 2012-07-06  Tom de Vries  <tom@codesourcery.com>
132         PR tree-optimization/51879
133         * tree-ssa-sccvn.c (copy_reference_ops_from_call)
134         (visit_reference_op_call): Handle case that lhs is not an SSA_NAME.
135         (visit_use): Also call visit_reference_op_call for calls with a vdef.
137 2012-07-06  Tom de Vries  <tom@codesourcery.com>
139         PR tree-optimization/52009
140         * tree-ssa-tail-merge.c (gimple_equal_p): For GIMPLE_ASSIGN, compare
141         value numbers of gimple_vdef.
142         * tree-ssa-sccvn.h (vn_reference_insert): Add vdef parameter to
143         prototype.
144         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MODIFY_EXPR.
145         (vn_reference_insert): Add and handle vdef parameter.
146         (visit_reference_op_load): Add argument to vn_reference_insert call.
147         (visit_reference_op_store): Find value number of vdef of store.  Insert
148         value number of vdef of store.
150 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
152         * config/i386/i386.md (simple lea to add peephole): Also transform
153         RTXes where second PLUS operand matches output.
155 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
157         * config/i386/i386.c (construct_plt_address): Make static.
158         * config/i386/i386-protos.h (construct_plt_address): Remove.
160 2012-07-06  Nick Clifton  <nickc@redhat.com>
162         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
163         default_encode_section_info.
165 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
167         PR target/53853
168         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
169         emit PIC sequence for fnaddr symbol reference in advance.
171 2012-07-06  Eric Botcazou  <ebotcazou@adacore.com>
173         Revert
174         2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
176         * dwarf2out.c (function_possibly_abstracted_p): New static function.
177         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
178         cgraph_function_possibly_inlined_p.
179         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
180         (process_scope_var): Do not emit concrete instances of abstracted
181         nested functions from here.
182         (gen_decl_die): Emit the abstract instance if the function is possibly
183         abstracted and not only possibly inlined.
184         (dwarf2out_finish): Find the first non-abstract parent instance and
185         attach concrete instances on the limbo list to it.
187 2012-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
188             Julian Brown  <julian@codesourcery.com>
190         PR target/48941
191         PR target/51980
192         * config/arm/neon-gen.ml (return_by_ptr): Delete.
193         (print_function): Handle empty strings.
194         (return): Delete use of return_by_ptr.
195         (mask_shape_for_shuffle): New function.
196         (mask_elems): Likewise.
197         (shuffle_fn): Likewise.
198         (params): Simplify and remove use of return_by_ptr.
199         (get_shuffle): New function.
200         (print_variant): Update.
201         * config/arm/neon.ml (rev_elems): New function.
202         (permute_range): Likewise.
203         (zip_range): Likewise.
204         (uzip_range): Likewise.
205         (trn_range): Likewise.
206         (zip_elems): Likewise.
207         (uzip_elems): Likewise.
208         (trn_elems): Likewise.
209         (features): New enumeration Use_shuffle. Delete ReturnPtr.
210         (pf_su_8_16): New.
211         (suf_32): New.
212         (ops): Update entries for Vrev64, Vrev32, Vrev16, Vtr, Vzip, Vuzp.
213         * config/arm/arm_neon.h: Regenerate.
215 2012-07-05  Richard Guenther  <rguenther@suse.de>
217         * tree-pretty-print.c (dump_generic_node): Properly test
218         the result of exact_log2.
220 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
222         * config/s390/s390-protos.h (s390_expand_movmem)
223         (s390_expand_cmpmem): Add return value.
224         * config/s390/s390.c (s390_expand_movmem, s390_expand_cmpmem):
225         Return FALSE to use the library function in some cases.
226         * config/s390/s390.md (movmem, cmpmem): Evaluate return value of C
227         helper functions.
229 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
231         * config.gcc: Enable ifunc attribute by default on s390 and s390x.
233 2012-07-05  Steven Bosscher  <steven@gcc.gnu.org>
235         * expr.c (try_casesi): Remove bogus ATTRIBUTE_UNUSED markers.
236         * stmt.c (dump_case_nodes): New.
237         (expand_case): Split out code generation parts into new functions.
238         (expand_switch_as_decision_tree_p): Split out from expand_case.
239         (emit_case_decision_tree): Likewise.
240         (emit_case_dispatch_table): Likewise.
242 2012-07-05  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
244         * config/arm/iterators.md (SDF): New mode iterator.
245         (V_if_elem): Add support for SF and DF modes.
246         (V_reg): Likewise.
247         (F_constraint): New mode iterator attribute.
248         (F_fma_type): Likewise.
249         config/arm/vfp.md (fma<SDF:mode>4): New pattern.
250         (*fmsub<SDF:mode>4): Likewise.
251         (*fmnsub<SDF:mode>4): Likewise.
252         (*fmnadd<SDF:mode>4): Likewise.
254 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
256         * expmed.c (expand_mult): Initialize coeff and is_neg.
258 2012-07-04  Oleg Endo  <olegendo@gcc.gnu.org>
260         * config/sh/predicates.md (zero_extend_operand): New predicate.
261         * config/sh/sh.md (zero_extendhisi2): Simplify by using new
262         zero_extend_operand predicate.
263         (zero_extendqisi2): Likewise.
265 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
267         PR middle-end/53321
268         * ipa.c (symtab_remove_unreachable_nodes): Partially revert r187375
269         to not call cgraph_propagate_frequency if something was changed.
271 2012-07-04  Richard Guenther  <rguenther@suse.de>
273         PR middle-end/53433
274         * gimple-fold.c (get_base_constructor): Do not return an
275         error_mark_node DECL_INITIAL.
277 2012-07-04  Richard Guenther  <rguenther@suse.de>
279         PR tree-optimization/53844
280         * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
281         the loop virtual PHI.
283 2012-07-04  Richard Guenther  <rguenther@suse.de>
285         PR tree-optimization/53849
286         * tree-cfg.c (move_stmt_op): Only call add_referenced_var
287         for duplicated locals.  Use add_referenced_var_1 to avoid
288         pushing/popping cfun.
290 2012-07-04  Kai Tietz  <ktietz@redhat.com>
292         * config/i386/winnt.c (i386_pe_reloc_rw_mask): New function.
293         * config/i386/i386-protos.h (i386_pe_reloc_rw_mask): Add
294         prototype.
295         * config/i386/cygming.h (TARGET_ASM_RELOC_RW_MASK): Define
296         as i386_pe_reloc_rw_mask.
298 2012-07-04  Richard Guenther  <rguenther@suse.de>
300         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
301         as in free_lang_data_in_type.
303 2012-07-04  Tobias Grosser <tobias@grosser.es>
304             Michael Matz  <matz@suse.de>
306         * Makefile.in (OBJS): Add graphite-optimize-isl.o.
307         (graphite-optimize-isl.o): Add dependencies.
308         * common.opt (floop-nest-optimize): New flag.
309         * doc/invoke.texi (floop-nest-optimize): Document.
310         * graphite-dependences.c (compute_deps): Export.
311         * graphite-poly.h (compute_deps): Declare.
312         * graphite-optimize-isl.c: New file.
313         * graphite-poly.c (apply_poly_transforms): Run the loop
314         nest optimizer.
315         * tree-ssa-loop.c (gate_graphite_transforms): Enable graphite
316         if -floop-nest-optimize is enabled.
318 2012-07-03  Oleg Endo  <olegendo@gcc.gnu.org>
320         * config/sh/predicates.md (logical_and_operand): New predicate.
321         * config/sh/constraints.md (Jmb, Jmw): New constraints.
322         * config/sh/sh.md (andsi3): Move expander above insns.  Add handling
323         of 0xFFFF constant.  Use logical_and_operand predicate and
324         satisfies_constraint_Jmb, satisfies_constraint_Jmw.
325         (*andsi3_compact): Make it an insn_and_split.  Use
326         logical_and_operand predicate.  Add Jmb,Jmw alternatives.
328 2012-07-03  Jason Merrill  <jason@redhat.com>
330         PR c++/53826
331         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
333 2012-07-03  Nick Clifton  <nickc@redhat.com>
335         * config/mep/mep.c (mep_reorg_regmove): Use
336         next_nonnote_non_debug_insn to advance to the next insn.  Do not
337         expect delete_insn to return an rtx.
339 2012-07-03  Richard Guenther  <rguenther@suse.de>
341         * doc/install.texi (CLooG): Clarify how CLooG needs to be
342         configured and that it needs to be built against ISL 0.10.
344 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
346         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
347         code model string in the error message.
349 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
351         PR target/53811
352         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
353         sibcall_insn_operand.  Move it to a temporary register if not.
355 2012-07-03  Andreas Schwab  <schwab@linux-m68k.org>
357         PR target/28896
358         * config/m68k/m68k.c (m68k_option_override): Reset stack_limit_rtx
359         if !TARGET_68020.
361 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
363         * config/i386/xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause.
365 2012-07-03  Roland McGrath  <mcgrathr@google.com>
367         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): Also require that the
368         assembler accept 'rep bsf ...', 'rep bsr ...', 'rep ret' and 'rep nop'.
369         * configure: Regenerated.
370         * config/i386/i386.md (simple_return_internal_long): Use %;
371         (ctz<mode>2): Likewise.
372         (*pause): Likewise.
374 2012-07-02  Oleg Endo  <olegendo@gcc.gnu.org>
376         PR target/51244
377         * config/sh/predicates.md (t_reg_operand, negt_reg_operand): New
378         predicates.
379         * config/sh/sh-protos.h (get_t_reg_rtx): New prototype.
380         * config/sh/sh.c (get_t_reg_rtx): New function.  Use it when invoking
381         gen_branch_true and gen_branch_false.
382         * config/sh/sh.md: Use get_t_reg_rtx when invoking gen_branch_true and
383         gen_branch_false.
384         (branch_true, branch_false): Use t_reg_operand predicate.
385         (*branch_true, *branch_false): Delete.
386         (movt): Use t_reg_operand predicate.
387         (*negnegt): Use negt_reg_operand predicate and fold little and big
388         endian variants.
389         (*movtt): Use t_reg_operand and fold little and big endian variants.
390         (*movt_qi): Delete.
392 2012-07-02  Steven Bosscher  <steven@gcc.gnu.org>
394         * stmt.c (emit_case_bit_tests): Remove.
395         (expand_case): Remove expand_switch_using_bit_tests_p code.
396         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): New.
397         (MAX_CASE_BIT_TESTS): Moved from stmt.c to here.
398         (lshift_cheap_p): Likewise.
399         (expand_switch_using_bit_tests_p): Likewise.
400         (struct case_bit_test): Likewise.
401         (case_bit_test_cmp): Likewise.
402         (emit_case_bit_tests): New implementation for GIMPLE.
403         (gen_inbound_check): Do not release post-dominator info here.
404         (process_switch): Reorder code.  Expand as bit tests if it
405         looks like a win.
406         (do_switchconv): Release post-dominator info here if something changed.
407         (struct gimple_opt_pass): Verify more.
408         * tree.h (expand_switch_using_bit_tests_p): Remove prototype.
410 2012-07-02  Martin Jambor  <mjambor@suse.cz>
412         PR middle-end/38474
413         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
414         dynamic type change check.
416 2012-07-02  Richard Guenther  <rguenther@suse.de>
417             Michael Matz  <matz@suse.de>
418             Tobias Grosser <tobias@grosser.es>
419             Sebastian Pop <sebpop@gmail.com>
421         * Makefile.in: Remove PPL flags in favor of ISL ones.
422         (BACKENDLIBS): Remove PPL libs.
423         (INCLUDES): Remove PPL includes in favor of ISL ones.
424         (graphite-clast-to-gimple.o): Remove graphite-dependences.h and
425         graphite-cloog-compat.h dependencies.
426         (graphite-dependences.o): Likewise.
427         (graphite-poly.o): Likewise.
428         * configure.ac: Declare ISL vars instead of PPL ones.
429         * configure: Regenerated.
430         * doc/install.texi: Replace PPL requirement documentation with ISL one.
431         * graphite-blocking.c: Remove PPL code, add ISL equivalent.
432         * graphite-clast-to-gimple.c: Likewise.
433         * graphite-dependences.c: Likewise.
434         * graphite-interchange.c: Likewise.
435         * graphite-poly.h: Likewise.
436         * graphite-poly.c: Likewise.
437         * graphite-sese-to-poly.c: Likewise.
438         * graphite.c: Likewise.
439         * graphite-scop-detection.c: Re-arrange includes.
440         * graphite-cloog-util.c: Remove.
441         * graphite-cloog-util.h: Likewise.
442         * graphite-ppl.h: Likewise.
443         * graphite-ppl.c: Likewise.
444         * graphite-dependences.h: Likewise.
446 2012-07-02  Richard Guenther  <rguenther@suse.de>
448         Merge from graphite branch
449         2011-07-21  Tobias Grosser  <tobias@grosser.es>
451         * Makefile.in (graphite-clast-to-gimple.o, graphite-cloog-util.o):
452         Remove graphite-cloog-util.h.
453         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop,
454         build_iv_mapping, translate_clast_user, translate_clast,
455         free_scattering, initialize_cloog_names, build_cloog_prog,
456         create_params_index): Do not use old compatibility functions.
457         (clast_name_to_index, set_cloog_options): Remove code for legacy cloog.
458         * graphite-cloog-util.c (openscop_print_cloog_matrix): Do not use old
459         compatibility functions.
460         (new_Cloog_Scattering_from_ppl_Polyhedron): Remove code for legacy
461         cloog.
462         * graphite-cloog-util.h: Remove include of graphite-cloog-util.h.
463         * graphite.c (graphite.c): Do not call outdated cloog_initialize() and
464         cloog_finalize().
465         * graphite-cloog-compat.h: Remove.
467         2011-08-09  Tobias Grosser <tobias@grosser.es>
469         * graphite-clast-to-gimple.c (new_clast_name_index): Store a copy
470         of the string, no just a reference.
471         (clast_name_index): Add a new field, that specifies if we need to free
472         the name.
473         (free_clast_name_index): If necessary, free the name string.
474         (clast_name_index_elt_info): Calculate the hash based on the string
475         content, not the memory location it is stored in.
476         (clast_name_to_level): Specify that we do not need to free the name.
477         (clast_name_to_index): Dito.
478         (clast_name_to_lb_ub): Dito.
479         (eq_clast_name_indexes): Compare the strings, not their base pointers.
480         (free_scattering): Removed.
481         (initialize_cloog_names): Renamed to add_names_to_union_domain().
482         (add_names_to_union_domain): Changed to work on a union_domain,
483         instead of a CloogNames structure.
484         (build_cloog_prog): Removed.
485         (build_cloog_union_domain): New.
486         (generate_cloog_input): New.
487         (scop_to_clast): Use CloogInput instead of CloogProgram.
488         (print_generated_program): Adapt to new scop_to_clast() and do not
489         print the CloogProgram any more.
490         (create_params_index): Removed, functionality integrated in
491         add_names_to_union_domain().
492         (gloog): Adapt to new scop_to_clast().
493         * graphite-clast-to-gimple.h (scop_to_clast): Remove.
495         2012-01-11  Tobias Grosser <tobias@grosser.es>
497         * graphite-clast-to-gimple.c (clast_name_to_index,
498         clast_name_to_lb_ub, clast_name_to_gcc): Change types.
499         (clast_to_gcc_expression): Add clast_expr_name as a new
500         case. Do not assume a clast_expr_term points always to a
501         clast_expr_name.
502         (type_for_clast_term): Do not assume a clast_expr_term points always to
503         a clast_expr_name.
504         (type_for_clast_name): New.
505         (type_for_clast_expr): Add clast_expr_name as a new case.
507         2011-08-03  Sebastian Pop <sebpop@gmail.com>
509         * graphite-cloog-util.c (new_Cloog_Domain_from_ppl_Polyhedron,
510         new_Cloog_Scattering_from_ppl_Polyhedron,
511         new_Cloog_Domain_from_ppl_Pointset_Powerset): Remove ATTRIBUTE_UNUSED.
513 2012-07-02  Jakub Jelinek  <jakub@redhat.com>
515         PR tree-optimization/53645
516         * tree-vect-generic.c (expand_vector_divmod): Use TYPE_MODE (type)
517         instead of TYPE_MODE (wider_type) as can_vec_perm_p argument.
519 2012-07-01  Wei Guozhi  <carrot@google.com>
521         PR target/53447
522         * config/arm/arm-protos.h (const_ok_for_dimode_op): New prototype.
523         * config/arm/arm.c (const_ok_for_dimode_op): New function.
524         * config/arm/constraints.md (Dd): New constraint.
525         * config/arm/predicates.md (arm_adddi_operand): New predicate.
526         * config/arm/arm.md (adddi3): Extend it to handle constants.
527         (arm_adddi3): Likewise.
528         (addsi3_carryin_<optab>): Extend it to handle sbc case.
529         (addsi3_carryin_alt2_<optab>): Likewise.
530         * config/arm/neon.md (adddi3_neon): Extend it to handle constants.
532 2012-06-30  Nathan Sidwell  <nathan@acm.org>
534         * coverage.c (bbg_file_stamp): New.
535         (read_counts_file): Merge incoming stamp with bbg_file_stamp.
536         (build_info): Write bbg_file_stamp.
537         (coverage_init): Initialize bbg_file_stamp.  Read counts file
538         before writing graph header.
539         (coverage_finish): Don't unlink the data file if we can generate a
540         unique file stamp.
541         * tree.h (crc32_unsigned): Declare.
542         * tree.c (crc32_unsigned_bits): New, broken out of ...
543         (crc32_byte): ... here.  Use it.
544         (crc32_unsigned): New.
546 2012-06-29  Cary Coutant  <ccoutant@google.com>
548         * dwarf2out.c (add_pubname_string): Don't check for want_pubnames.
549         (gen_subprogram_die): Don't add pubname if want_pubnames is false.
550         (gen_variable_die): Likewise.
551         (gen_namespace_die): Likewise.
553 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
555         * tree-eh.c (lower_try_finally_switch): Really put the location of the
556         last statement of the finally block onto the switch.
558 2012-06-29  H.J. Lu  <hongjiu.lu@intel.com>
560         PR target/53539
561         * config/i386/gnu-user64.h (WCHAR_TYPE): Use "int" only for
562         TARGET_LP64.
564 2012-06-29  Sterling Augustine  <saugustine@google.com>
566         * dwarf2out.c (add_pubname): Add comment.
567         (add_pubtype): Fix indentation.
568         (gen_enumeration_type_die): Likewise.
570 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
572         * tree-vect-generic.c (expand_vector_divmod): For even/odd
573         widening multiply, put even always as first argument to VEC_PERM_EXPR.
575 2012-06-29  Richard Henderson  <rth@redhat.com>
577         * tree-vect-generic.c: Include target.h.
578         (expand_vector_divmod): Use builtin_mul_widen_even/odd if supported.
579         * Makefile.in (tree-vect-generic.o): Update.
581 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
583         * configure.ac: Remove special gtfiles case for C.
584         * configure: Regenerate.
585         * Makefile.in: Remove C front-end hooks and build hooks that
586         will be picked up from c/Make-lang.in now.
587         Add tree-mudflap to C_COMMON_OBJS.
588         * gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
589         * config/vms/vms.c: Look for c-tree.h in c/.
590         * doc/gty.texi: Remove reference to c-config-lang.in.
591         * doc/sourcebuild.texi: Document the c/ subdirectory.
593 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
595         * system.h (CASE_USE_BIT_TESTS): Poison.
596         * stmt.c (CASE_USE_BIT_TESTS): Fold away into its only user ...
597         (expand_switch_using_bit_tests_p): ...here.
598         * doc/tm.texi.in (CASE_USE_BIT_TESTS): Remove documentation.
599         * doc/tm.texi (CASE_USE_BIT_TESTS): Regenerate.
601 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
603         * system.h (IFCVT_EXTRA_FIELDS): Poison.
604         (IFCVT_INIT_EXTRA_FIELDS): Poison.
605         * basic-block.h (struct ce_if_block): Remove IFCVT_EXTRA_FIELDS.
606         * ifcvt.c (find_if_header): Use IFCVT_MACHDEP_INIT instead of
607         IFCVT_INIT_EXTRA_FIELDS.
608         * gengtype-parse.c (struct_field_seq): Remove obsolete comment.
609         * config/frv/frv.h (IFCVT_INIT_EXTRA_FIELDS): Rename to
610         IFCVT_MACHDEP_INIT.
611         * config/frv/frv.c (frv_ifcvt_init_extra_fields): Rename to
612         frv_ifcvt_machdep_init.
613         * doc/tm.texi.in (IFCVT_INIT_EXTRA_FIELDS, IFCVT_EXTRA_FIELDS):
614         Remove documentation.
615         (IFCVT_MACHDEP_INIT): Document.
616         * doc/tm.texi: Regenerate.
618 2012-06-29  Nick Clifton  <nickc@redhat.com>
620         * config/lm32/lm32.c (lm32_compute_frame_size): Fix typo.
622 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
624         * tree-vect-stmts.c (vectorizable_operation): Check both
625         VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.
626         Verify that operand[0]'s mode is TYPE_MODE (wide_vectype).
628 2012-06-28  Richard Henderson  <rth@redhat.com>
630         * doc/generic.texi (MULT_HIGHPART_EXPR): Document it.
632 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
634         PR tree-optimization/51581
635         * tree-vect-stmts.c (permute_vec_elements): Add forward decl.
636         (vectorizable_operation): Handle vectorization of MULT_HIGHPART_EXPR
637         also using VEC_WIDEN_MULT_*_EXPR or builtin_mul_widen_* plus
638         VEC_PERM_EXPR if vector MULT_HIGHPART_EXPR isn't supported.
639         * tree-vect-patterns.c (vect_recog_divmod_pattern): Use
640         MULT_HIGHPART_EXPR instead of VEC_WIDEN_MULT_*_EXPR and shifts.
642         PR tree-optimization/53645
643         * tree-vect-generic.c (expand_vector_divmod): Use MULT_HIGHPART_EXPR
644         instead of VEC_WIDEN_MULT_{HI,LO}_EXPR followed by VEC_PERM_EXPR
645         if possible.
647 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
649         PR 53595
650         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
651         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
652         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
653         avr_hard_regno_call_part_clobbered.
655 2012-06-28  Richard Guenther  <rguenther@suse.de>
657         PR middle-end/53790
658         * expr.c (expand_expr_real_1): Verify if the type is complete
659         before inspecting its size.
661 2012-06-28  Andreas Schwab  <schwab@linux-m68k.org>
663         * doc/include/gpl.texi: Remove.
664         * doc/sourcebuild.texi (Texinfo Manuals): Don't mention gpl.texi.
666 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
668         PR tree-optimization/53645
669         * tree-vect-generic.c (add_rshift): New function.
670         (expand_vector_divmod): New function.
671         (expand_vector_operation): Use it for vector integer
672         TRUNC_{DIV,MOD}_EXPR by VECTOR_CST.
673         * tree-vect-patterns.c (vect_recog_divmod_pattern): Replace
674         unused lguup variable with dummy_int.
676 2012-06-28  OLivier Hainque  <hainque@adacore.com>
678         * expr.c (convert_move): Latch mem integer inputs into a
679         register before expanding a multi-instructions sequence.
681 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
682             Uros Bizjak  <ubizjak@gmail.com>
683             Jakub Jelinek  <jakub@redhat.com>
685         PR debug/53706
686         PR debug/47624
687         * var-tracking.c (vt_emit_notes): Release loc_exp_dep_pool...
688         (vt_finalize): ... here instead, if needed.
690 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
692         PR debug/53740
693         PR debug/52983
694         PR debug/48866
695         * dce.c (word_dce_process_block): Check whether inserting debug
696         temps are needed even for needed insns.
697         (dce_process_block): Likewise.
698         * df-problems.c (dead_debug_add): Add comment about multi-regs.
699         (dead_debug_insert_temp): Likewise.  Don't subreg when we're
700         setting fewer regs than a multi-reg requires.
702 2012-06-27  Richard Henderson  <rth@redhat.com>
704         * config/alpha/alpha.c (alpha_dimode_u): New.
705         (alpha_init_builtins): Initialize it, and use it.
706         (alpha_fold_builtin_cmpbge): Use alpha_dimode_u.
707         (alpha_fold_builtin_zapnot, alpha_fold_builtin_insxx): Likewise.
708         (alpha_fold_vector_minmax, alpha_fold_builtin_perr): Likewise.
709         (alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb): Likewise.
710         (alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw): Likewise.
711         (alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz): Likewise.
712         (alpha_fold_builtin_ctpop): Likewise.
713         (alpha_fold_builtin_umulh): Remove.
714         (alpha_fold_builtin): Use MULT_HIGHPART_EXPR for UMULH; fix
715         typo in MAX_ARGS check.
717 2012-06-27  Richard Henderson  <rth@redhat.com>
719         * tree.def (MULT_HIGHPART_EXPR): New.
720         * cfgexpand.c (expand_debug_expr): Ignore it.
721         * expr.c (expand_expr_real_2): Handle it.
722         * fold-const.c (int_const_binop_1): Likewise.
723         * optabs.c (optab_for_tree_code): Likewise.
724         * tree-cfg.c (verify_gimple_assign_binary): Likewise.
725         * tree-inline.c (estimate_operator_cost): Likewise.
726         * tree-pretty-print.c (dump_generic_node): Likewise.
727         (op_code_prio, op_symbol_code): Likewise.
728         * tree.c (commutative_tree_code): Likewise.  Also handle
729         WIDEN_MULT_EXPR, VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR.
731 2012-06-27  Richard Henderson  <rth@redhat.com>
733         PR target/53749
734         * config/i386/i386.c (ix86_rtx_costs): Fix typo vs UNITS_PER_WORD
735         in 2012-06-23 change.  Adjust two other DImode tests as well.
737 2012-06-27  Nick Clifton  <nickc@redhat.com>
739         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
740         input operand.
742 2012-06-27  Richard Guenther  <rguenther@suse.de>
744         PR middle-end/53676
745         * tree-chrec.c (chrec_convert_1): Represent truncation to
746         a type with undefined overflow as truncation to an unsigned
747         type converted to the type with undefined overflow.
748         * tree-scalar-evolution.c (interpret_rhs_expr): For computing
749         the scalar evolution of a truncated widened operation avoid
750         looking at the non-existing evolution of the widened operation
751         result.
753 2012-06-27  Richard Guenther  <rguenther@suse.de>
755         PR tree-optimization/53774
756         * tree-ssa-reassoc.c (get_rank): All default defs have
757         precomputed rank.
758         (init_reassoc): Precompute rank for all SSA default defs.
760 2012-06-27  Nick Clifton  <nickc@redhat.com>
762         * config/rx/rx.md (simple_return): Use the simple_return rtx.
764 2012-06-26  Richard Henderson  <rth@redhat.com>
766         * config/i386/i386.c (ix86_rtx_costs): Use standard_sse_constant_p
767         and don't fall thru from standard_80387_constant_p to the memory
768         fallback.
770 2012-06-26  Richard Henderson  <rth@redhat.com>
772         * config/i386/i386.c (bdesc_args): Update.  Change
773         IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI to OPTION_MASK_ISA_SSE2.
774         (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): New.
775         (ix86_builtin_mul_widen_even): Use it.
776         (ix86_builtin_mul_widen_odd): Relax SMUL_ODD from sse4 to sse2.
777         (ix86_expand_mul_widen_evenodd): Handle signed for sse2.
778         * config/i386/sse.md (vec_widen_<s>mult_hi_<V124_AVX2>): Allow
779         for all SSE2.
780         (vec_widen_<s>mult_lo_<V124_AVX2>): Likewise.
781         (vec_widen_<s>mult_odd_<VI4_AVX2>): Likewise.  Relax from V124_AVX2.
782         (vec_widen_smult_even_v4si): New.
784 2012-06-26  Richard Henderson  <rth@redhat.com>
786         * config/i386/sse.md (mul<VI8_AVX2>3): Change from insn_and_split
787         to expander; move guts to ...
788         * config/i386/i386.c (ix86_expand_sse2_mulvxdi3): ... here.  Add
789         highparts before shifting up.
790         * config/i386/i386-protos.h: Update.
792 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
794         * system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
795         * defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
796         * config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.
798 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
800         * var-tracking.c (vt_add_function_parameter): Use a preserved
801         VALUE for the MEM address of an incoming parameter.
803 2012-06-26  Sterling Augustine <saugustine@google.com>
805         * dwarf2out.c (output_pubnames): Add check for DW_TAG_enumerator.
806         (prune_unused_types): Likewise.
808 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
810         * system.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
811         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Poison.
812         * vmsdbgout.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
813         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Rename to
814         VMS_UNALIGNED_SHORT_ASM_OP, VMS_UNALIGNED_INT_ASM_OP,
815         VMS_UNALIGNED_LONG_ASM_OP, and VMS_UNALIGNED_DOUBLE_INT_ASM_OP.
816         * config/microblaze/microblaze.h (UNALIGNED_SHORT_ASM_OP,
817         UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Do not define.
818         * doc/tm.texi.in: Remove UNALIGNED_INT_ASM_OP reference from the
819         documentation.
820         * doc/tm.texi: Regenerate.
821         * doc/cpp.texi: Make example for #error generic.
822         * config/frv/frv.h: Fix example text to match tm.texi.
824 2012-06-26  Bill Schmidt  <wschmidt@linux.ibm.com>
826         * tree-pass.h (pass_strength_reduction): New decl.
827         * tree-ssa-loop-ivopts.c (initialize_costs): Make non-static.
828         (finalize_costs): Likewise.
829         * timevar.def (TV_TREE_SLSR): New timevar.
830         * gimple-ssa-strength-reduction.c: New.
831         * tree-flow.h (initialize_costs): New decl.
832         (finalize_costs): Likewise.
833         * Makefile.in (tree-ssa-strength-reduction.o): New dependencies.
834         * passes.c (init_optimization_passes): Add pass_strength_reduction.
836 2012-06-26  Matt Turner  <mattst88@gmail.com>
838         * doc/extend.texi (__builtin_arm_tinsrb): Add missing second parameter.
839         (__builtin_arm_tinsrh): Likewise.
840         (__builtin_arm_tinsrw): Likewise.
841         (__builtin_arm_wsadb): Add missing v2si parameter.
842         (__builtin_arm_wsadh): Likewise.
843         (__builtin_arm_getwcx): Delete.
844         (__builtin_arm_setwcx): Delete.
845         (__builtin_arm_getwcgr0): Add.
846         (__builtin_arm_getwcgr1): Add.
847         (__builtin_arm_getwcgr2): Add.
848         (__builtin_arm_getwcgr3): Add.
849         (__builtin_arm_setwcgr0): Add.
850         (__builtin_arm_setwcgr1): Add.
851         (__builtin_arm_setwcgr2): Add.
852         (__builtin_arm_setwcgr3): Add.
854 2012-06-26  Richard Guenther  <rguenther@suse.de>
856         Revert
857         2012-06-21  Richard Guenther  <rguenther@suse.de>
859         * tree-inline.c (estimate_num_insns): Estimate call cost for
860         tailcalls properly.
862 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
864         PR other/33190
865         * doc/tm.texi.in: Document LOGICAL_OP_NON_SHORT_CIRCUIT.
866         * doc/tm.texi: Regenerate.
868 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
870         PR other/33190
871         * config/mips/mips.h: Do not define ALL_COP_ADDITIONAL_REGISTER_NAMES.
872         * config/frv/frv.h: Do not define REVERSE_CONDEXEC_PREDICATES_P.
873         * doc/tm.texi.in: Remove documentation for unused target macros
874         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
875         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
876         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
877         TARGET_NARROW_VOLATILE_BITFIELDS.
878         Document that MD_HANDLE_UNWABI is a macro in libgcc.
879         * doc/tm.texi: Regenerate.
880         * system.h: Poison target macros
881         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
882         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
883         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
884         TARGET_NARROW_VOLATILE_BITFIELDS
886 2012-06-26  Jan Hubicka  <jh@suse.cz>
888         PR lto/53572
889         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
890         used symbols.
892 2012-06-26  Dehao Chen  <dehao@google.com>
894         * tree-inline.c: (expand_call_inline): Ensure that lexical block's
895         source location is consistant with the call stmt.
897 2012-06-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
899         PR tree-optimization/53729
900         PR tree-optimization/53636
901         * tree-vect-slp.c (vect_slp_analyze_bb_1): Delay call to
902         vect_verify_datarefs_alignment until after statements have
903         been marked as relevant/irrelevant.
904         * tree-vect-data-refs.c (vect_verify_datarefs_alignment):
905         Skip irrelevant statements.
906         (vect_enhance_data_refs_alignment): Use STMT_VINFO_RELEVANT_P
907         instead of STMT_VINFO_RELEVANT.
908         (vect_get_data_access_cost): Do not check for supportable
909         alignment before calling vect_get_load_cost/vect_get_store_cost.
910         * tree-vect-stmts.c (vect_get_store_cost): Do not abort when
911         handling unsupported alignment.
912         (vect_get_load_cost): Likewise.
914 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
916         * config/rl78/rl78.h: Do not undefine DONT_USE_BUILTIN_SETJMP.
917         Do not define JMP_BUF_SIZE.
919 2012-06-26  Jakub Jelinek  <jakub@redhat.com>
921         PR tree-optimization/53748
922         * tree-ssa-phiopt.c (conditional_replacement): Only optimize
923         if arg0/arg1 have integral or pointer types.
925 2012-06-25  Richard Henderson  <rth@redhat.com>
927         * config/i386/sse.md (sse2_sse4_1): Remove code attr.
928         (<s>dot_prodv4si, <s>dot_prodv8si): Remove
929         (sdot_prodv4si): New; handle only XOP.
931 2012-06-25  Richard Henderson  <rth@redhat.com>
933         * config/i386/i386-builtin-types.def (V4UDI, V8USI): New.
934         (V2UDI_FUNC_V4USI_V4USI): New.
935         (V4UDI_FUNC_V8USI_V8USI): New.
936         * config/i386/i386.c (ix86_expand_args_builtin): Handle them.
937         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): New.
938         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): New.
939         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): New.
940         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): New.
941         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): New.
942         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): New.
943         (bdesc_args): Add them.
944         (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): New.
945         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
946         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
947         (ix86_expand_mul_widen_evenodd): Use xop_pmacsdqh.
948         * config/i386/sse.md (vec_widen_<s>mult_odd_<V124_AVX2>): New.
950 2012-06-25  Richard Henderson  <rth@redhat.com>
952         * config/i386.sse.md (mul<VI4_AVX2>3): Use xop_pmacsdd.
954 2012-06-25  Richard Henderson  <rth@redhat.com>
956         * config/i386/i386.c (ix86_rtx_costs) [MULT]: Only apply XOP cost
957         to V16QImode.
958         (ix86_expand_vec_interleave): New.
959         (ix86_expand_mul_widen_evenodd): New.
960         (ix86_expand_mul_widen_hilo): New.
961         (ix86_expand_sse2_mulv4si3): Use ix86_expand_mul_widen_evenodd.
962         * config/i386/i386.md (u_bool) New code attr.
963         * config/i386/predicates.md
964         (nonimmediate_or_const_vector_operand): Remove.
965         * config/i386/sse.md (mul<VI4_AVX2>3): Don't use it; don't test
966         both AVX and SSE4_1.
967         (vec_widen<s>mult_hi_<VI2_AVX2>): Remove.
968         (vec_widen<s>mult_lo_<VI2_AVX2>): Remove.
969         (vec_widen<s>mult_hi_v8si): Remove.
970         (vec_widen<s>mult_lo_v8si): Remove.
971         (vec_widen_smult_hi_v4si): Remove.
972         (vec_widen_smult_lo_v4si): Remove.
973         (vec_widen_umult_hi_v4si): Remove.
974         (vec_widen_umult_lo_v4si): Remove.
975         (vec_widen_<s>mult_hi_<VI124_AVX2>): New.
976         (vec_widen_<s>mult_lo_<VI124_AVX2>): New.
977         * config/i386/i386-protos.h: Update.
979 2012-06-25  Christophe Lyon  <christophe.lyon@st.com>
981         * config/arm/neon.md (UNSPEC_VLD1_DUP): Remove.
982         (neon_vld1_dup): Restrict to VQ operands.
983         (neon_vld1_dupv2di): New, fixes vld1q_dup_s64.
985 2012-06-25  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
986             James Greenhalgh  <james.greenhalgh@arm.com>
988         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add new built-ins.
989         (TARGET_FMA): New macro.
990         (TARGET_ARM_QBIT, TARGET_ARM_SAT): Likewise.
991         (TARGET_ARM_ARCH): Likewise.
992         (TARGET_ARM_ARCH_ISA_THUMB): Likewise.
993         (TARGET_V6M, TARGET_V7M): Likewise.
994         (TARGET_ARM_ARCH_PROFILE): Likewise.
995         (TARGET_ARM_FEATURE_LDREX): Likewise.
996         (TARGET_ARM_FP, TARGET_NEON_FP): Likewise.
997         (ARM_MIN_ENUM_SIZE): Likewise.
998         * config/arm/arm.c (arm_file_start): Refactor appropriately.
999         (base_architecture): New enumeration.
1000         (arm_base_arch): New global variable.
1001         (processors): Add field base_arch.
1002         (ARM_ARCH, ARM_CORE): Adjust accordingly.
1003         (arm_option_override): Add initialization of arm_base_arch.
1004         * doc/cpp.texi (system-specific predefined macros.): Change.
1006 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1008         PR target/53759
1009         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1010         of x x x in the vmovlps load alternative.
1012 2012-06-25  Richard Sandiford  <rdsandiford@googlemail.com>
1014         PR debug/53740
1015         * df.h (dead_debug_add): Remove third argument.
1016         * df-problems.c (dead_debug_add): Likewise.  Use the REGNO of the
1017         REG that we want to replace instead.
1018         (dead_debug_insert_temp): Use the REGNO of the reg that we want
1019         to replace instead of DF_REF_REGNO.  Require there to always be
1020         at least one such use.  Check for cases where the same location
1021         has more than df_ref associated with it.
1022         (df_note_bb_compute): Remove third dead_debug_add argument.
1023         * dce.c (word_dce_process_block): Likewise.
1025 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
1027         * config/v850/v850.c: Remove redundant extern declarations for
1028         last_assemble_variable_decl and size_directive_output.
1030         * doc/tm.texi.in: Document JMP_BUF_SIZE.
1031         * doc/tm.texi: Regenerate.
1032         * config/sparc/sparc.h (JMP_BUF_SIZE): Do not define.
1033         * config/pa/pa.h (JMP_BUF_SIZE): Likewise.
1034         * config/stormy16/stormy16.h: Likewise.
1036         * config/picochip/picochip.c: Do not define DONT_USE_BUILTIN_SETJMP.
1038         * doc/sourcebuild.texi: Add missing subdirectories.
1040 2012-06-25  Tristan Gingold  <gingold@adacore.com>
1042         * config/i386/i386.h: Fix typo.
1044 2012-06-25  Tristan Gingold  <gingold@adacore.com>
1046         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1047         (seh_cfa_adjust_cfa): ... that function.
1048         (seh_emit_stackalloc): Do not emit out of range values.
1049         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1050         UNSPEC_DEF_CFA constants.
1051         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1052         * config/i386/i386.c (ix86_frame_pointer_required): Required
1053         for very large frames on SEH target.
1054         (ix86_compute_frame_layout): Save area is before frame pointer
1055         on SEH target.  Handle very large frames.
1056         (ix86_expand_prologue): Likewise.
1058 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
1060         * output.h: (current_function_is_leaf,
1061         current_function_sp_is_unchanging,
1062         current_function_uses_only_leaf_regs): Remove.
1063         * function.c (current_function_is_leaf,
1064         current_function_sp_is_unchanging,
1065         current_function_uses_only_leaf_regs): Remove.
1066         (rest_of_handle_check_leaf_regs): Set crtl->uses_only_leaf_regs
1067         instead of current_function_uses_only_leaf_regs.
1068         * function.h (struct rtl_data): New fields sp_is_unchanging,
1069         is_leaf, uses_only_leaf_regs.
1070         * resource.c (init_resource_info): Replace current_function_is_leaf,
1071         current_function_sp_is_unchanging, and
1072         current_function_uses_only_leaf_regs with new crtl fields.
1073         * sdbout.c (sdbout_symbol): Likewise.
1074         * df-core.c (rest_of_handle_df_initialize): Likewise.
1075         * ira.c (ira): Likewise.
1076         * final.c (final_start_function): Likewise.
1077         * reorg.c (fill_simple_delay_slots): Likewise.
1078         * regrename.c (check_new_reg_p): Likewise.
1079         * stack-ptr-mod.c (notice_stack_pointer_modification_1): Likewise.
1080         (notice_stack_pointer_modification): Likewise.
1081         * dbxout.c (dbxout_symbol): Likewise.
1082         (dbxout_parms): Likewise.
1083         * sel-sched.c (init_regs_for_mode): Likewise.
1084         * dwarf2out.c (dbx_reg_number): Likewise.
1085         (multiple_reg_loc_descriptor): Likewise.
1086         * config/i386/i386.c (ix86_frame_pointer_required): Likewise.
1087         (gen_pop): Likewise.
1088         (ix86_select_alt_pic_regnum): Likewise.
1089         (ix86_compute_frame_layout): Likewise.
1090         (ix86_finalize_stack_realign_flags): Likewise.
1091         (ix86_expand_epilogue): Likewise.
1092         * config/rs6000/rs6000.c (rs6000_stack_info): Likewise.
1093         * config/h8300/h8300.c (byte_reg): Likewise.
1094         * config/c6x/c6x.c (must_reload_pic_reg_p): Likewise.
1095         (c6x_save_reg): Likewise.
1096         (c6x_compute_frame_layout): Likewise.
1097         * config/pa/pa.c (pa_compute_frame_size): Likewise.
1098         (pa_output_function_prologue): Likewise.
1099         * config/stormy16/stormy16.c (struct xstormy16_stack_layout): Likewise.
1100         * config/sparc/sparc.md (attr "leaf_function"): Likewise.
1101         * config/sparc/sparc.c (sparc_initial_elimination_offset): Likewise.
1102         (sparc_expand_prologue): Likewise.
1103         (sparc_flat_expand_prologue): Likewise.
1104         (sparc_asm_function_prologue): Likewise.
1105         (sparc_output_mi_thunk): Likewise.
1106         (sparc_frame_pointer_required): Likewise.
1107         * config/epiphany/epiphany.c (epiphany_compute_function_type):
1108         Likewise.
1109         (epiphany_compute_frame_size): Likewise.
1110         * config/lm32/lm32.c (lm32_compute_frame_size): Likewise.
1111         * config/cris/cris.c (cris_md_asm_clobbers): Likewise.
1112         (cris_frame_pointer_required): Likewise.
1113         * config/tilepro/tilepro.c (emit_sp_adjust): Likewise.
1114         (tilepro_current_function_is_leaf): Likewise.
1115         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Likewise.
1116         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
1117         * config/ia64/ia64.c (find_gr_spill): Likewise.
1118         (ia64_compute_frame_size): Likewise.
1119         (ia64_can_eliminate): Likewise.
1120         (ia64_initial_elimination_offset): Likewise.
1121         * config/m68k/m68k.c (m68k_save_reg): Likewise.
1122         (m68k_expand_epilogue): Likewise.
1123         * config/rx/rx.c (rx_get_stack_layout): Likewise.
1124         * config/tilegx/tilegx.c (tilegx_current_function_is_leaf): Likewise.
1125         * config/picochip/picochip.c (picochip_can_eliminate_link_sp_save):
1126         Likewise.
1127         (picochip_output_frame_debug): Likewise.
1128         * config/sh/sh.c (sh_media_register_for_return): Likewise.
1129         (sh_allocate_initial_value): Likewise.
1130         (sh_output_mi_thunk): Likewise.
1131         * config/microblaze/microblaze.c (microblaze_must_save_register):
1132         Likewise.
1133         (compute_frame_size): Likewise.
1134         (microblaze_initial_elimination_offset): Likewise.
1135         (microblaze_expand_prologue): Likewise.
1136         (microblaze_expand_epilogue): Likewise.
1137         * config/frv/frv.c (frv_expand_epilogue): Likewise.
1138         (frv_frame_pointer_required): Likewise.
1139         * config/spu/spu.c (get_pic_reg): Likewise.
1140         (direct_return): Likewise.
1141         (spu_expand_prologue): Likewise.
1142         (spu_expand_epilogue): Likewise.
1143         (spu_initial_elimination_offset): Likewise.
1144         * config/mips/mips.c (mips_global_pointer): Likewise.
1145         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1146         (mips_compute_frame_info): Likewise.
1147         * config/mep/mep.c (mep_interrupt_saved_reg): Likewise.
1148         (mep_reload_pointer): Likewise.
1149         * config/rl78/rl78.c (need_to_save): Likewise.
1150         * config/cr16/cr16.c (cr16_compute_save_regs): Likewise.
1151         * config/score/score.c (score_compute_frame_size): Likewise.
1152         (score_function_prologue): Likewise.
1153         * config/bfin/bfin.c (must_save_p): Likewise.
1154         (expand_prologue_reg_save): Likewise.
1155         (expand_epilogue_reg_restore): Likewise.
1156         (bfin_frame_pointer_required): Likewise.
1157         (n_regs_saved_by_prologue): Likewise.
1158         (add_to_reg): Likewise.
1159         (expand_interrupt_handler_prologue): Likewise.
1160         (expand_interrupt_handler_epilogue): Likewise.
1161         (bfin_expand_prologue): Likewise.
1162         * config/avr/avr.c (avr_regs_to_save): Likewise.
1163         (avr_prologue_setup_frame): Likewise.
1164         (expand_epilogue): Likewise.
1165         * config/s390/s390.c (s390_regs_ever_clobbered): Likewise.
1166         (s390_register_info): Likewise.
1167         (s390_frame_info): Likewise.
1168         (s390_init_frame_layout): Likewise.
1169         (s390_emit_prologue): Likewise.
1172 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
1174         * system.h: Poison ASM_BYTE_OP and ASM_OUTPUT_BYTE.
1175         * vmsdbgout: Do not undefine it if defined.
1176         Rename local ASM_BYTE_OP definition to VMS_ASM_BYTE_OP.
1177         * config/microblaze/microblaze/h: Do no define ASM_BYTE_OP.
1178         * config/mep/mep.h: Do not define ASM_OUTPUT_BYTE.
1180 2012-06-24  Richard Sandiford  <rdsandiford@googlemail.com>
1182         * config/mips/mips.c (mips_process_sync_loop): Add missing enum cast.
1184 2012-06-23  Richard Henderson  <rth@redhat.com>
1186         PR target/53749
1187         * config/i386/i386.c (ix86_rtx_costs): Add reasonable costs for
1188         V*QImode shifts and multiply.
1189         (ix86_expand_vecop_qihi): Support shifts.
1190         * config/i386/i386.md (any_shift): New code iterator.
1191         * config/i386/sse.md (ashlv16qi3): Merge ...
1192         (<any_shiftrt>v16qi3): ... into ...
1193         (<any_shift><VI1_AVX2>3): ... here.  Use ix86_expand_vecop_qihi
1194         to support SSE and AVX.
1196         * config/i386/i386.c (ix86_expand_sse_unpack): Split operands[]
1197         parameter into src and dest.
1198         * config/i386/sse.md (vec_unpacku_hi_<V124_AVX2>): Update call.
1199         (vec_unpacks_hi_<V124_AVX2>): Likewise.
1200         (vec_unpacku_lo_<V124_AVX2>): Likewise.
1201         (vec_unpacks_lo_<V124_AVX2>): Likewise.
1202         * config/i386/i386-protos.h: Update.
1204         * config/i386/sse.md (mul<VI1_AVX2>3): Change from insn_and_split to
1205         pure expander; move expansion code ...
1206         * config/i386/i386.c (ix86_expand_vecop_qihi): ... here.  New function.
1207         * config/i386/i386-protos.h: Update.
1209 2012-06-22  Edmar Wienskoski  <edmar@freescale.com>
1211         * config/rs6000/rs6000.md (define_attr "type"): New type popcnt.
1212         (popcntb<mode>2): Add attribute type popcnt.
1213         (popcntd<mode>2): Ditto.
1214         * config/rs6000/power4.md (define_insn_reservation): Add type popcnt.
1215         * config/rs6000/power5.md (define_insn_reservation): Ditto.
1216         * config/rs6000/power7.md (define_insn_reservation): Ditto.
1217         * config/rs6000/476.md (define_insn_reservation): Ditto.
1218         * config/rs6000/power6.md (define_insn_reservation): New
1219         reservation for popcnt instructions.
1221 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
1223         * doc/invoke.texi: Update -mpreferred-stack-boundary=3 warning.
1225 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
1227         PR target/53383
1228         * doc/invoke.texi: Add a warning for -mpreferred-stack-boundary=3.
1230         * config/i386/i386.c (ix86_option_override_internal): Allow
1231         -mpreferred-stack-boundary=3 for 64-bit if SSE is disabled.
1233         * config/i386/i386.h (MIN_STACK_BOUNDARY): Set to 64 for 64-bit
1234         if SSE is disabled.
1236 2012-06-22  Bill Schmidt  <wschmidt@linux.ibm.com>
1238         * double-int.c (double_int_multiple_of): New function.
1239         * double-int.h (double_int_multiple_of): New decl.
1240         * tree-ssa-loop-ivopts.c (add_cost, zero_cost): Remove undefs.
1241         (mbc_entry_hash): New forward decl.
1242         (mbc_entry_eq): Likewise.
1243         (zero_cost): Change to no_cost.
1244         (mult_costs): New static var.
1245         (cost_tables_exist): Likewise.
1246         (initialize_costs): New function.
1247         (finalize_costs): Likewise.
1248         (tree_ssa_iv_optimize_init): Call initialize_costs.
1249         (add_cost): Change to add_regs_cost; distinguish costs by speed.
1250         (multiply_regs_cost): New function.
1251         (add_const_cost): Likewise.
1252         (extend_or_trunc_reg_cost): Likewise.
1253         (negate_reg_cost): Likewise.
1254         (multiply_by_cost): Change to multiply_by_const_cost; distinguish
1255         costs by speed.
1256         (get_address_cost): Change add_cost to add_regs_cost; change
1257         multiply_by_cost to multiply_by_const_cost.
1258         (force_expr_to_var_cost): Change zero_cost to no_cost; change
1259         add_cost to add_regs_cost; change multiply_by_cost to
1260         multiply_by_const_cost.
1261         (split_cost): Change zero_cost to no_cost.
1262         (ptr_difference_cost): Likewise.
1263         (difference_cost): Change zero_cost to no_cost; change multiply_by_cost
1264         to multiply_by_const_cost.
1265         (get_computation_cost_at): Change add_cost to add_regs_cost; change
1266         multiply_by_cost to multiply_by_const_cost.
1267         (determine_use_iv_cost_generic): Change zero_cost to no_cost.
1268         (determine_iv_cost): Change add_cost to add_regs_cost.
1269         (iv_ca_new): Change zero_cost to no_cost.
1270         (tree_ssa_iv_optimize_finalize): Call finalize_costs.
1271         * tree-ssa-address.c (most_expensive_mult_to_index): Change
1272         multiply_by_cost to multiply_by_const_cost.
1273         * tree-flow.h (multiply_by_cost): Change to multiply_by_const_cost.
1274         (add_regs_cost): New decl.
1275         (multiply_regs_cost): Likewise.
1276         (add_const_cost): Likewise.
1277         (extend_or_trunc_reg_cost): Likewise.
1278         (negate_reg_cost): Likewise.
1280 2012-06-22  Richard Guenther  <rguenther@suse.de>
1282         Merge from graphite branch
1283         2011-08-10  Sebastian Pop <sebpop@gmail.com>
1285         * graphite-sese-to-poly.c (build_scop_drs): Fix memory leak.
1287         2012-01-13  Tobias Grosser  <tobias@grosser.es>
1289         * tree-flow.h (parallelized_function_p): Declare.
1290         * tree-parloops.c (parallelized_function_p): Export.
1291         * graphite.c (graphite_transform_loops): Do not run graphite on
1292         already parallel functions.
1294 2012-06-22  Alan Modra  <amodra@gmail.com>
1296         * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier): Pass in and
1297         return mem.  Convert to indirect addressing if not indirect or
1298         indexed.  Adjust all callers.
1300 2012-06-22  Richard Guenther  <rguenther@suse.de>
1302         * gcov-iov.c: Include bconfig.h and system.h.
1304 2012-06-22  Andreas Schwab  <schwab@linux-m68k.org>
1306         * doc/include/texinfo.tex: Update to version 2012-06-05.14.
1308 2012-06-22  Richard Guenther  <rguenther@suse.de>
1310         PR gcov-profile/53744
1311         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1313 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1315         PR debug/53704
1316         * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Fortran90 as language
1317         for GNU Fortran if in strict DWARF2 mode.
1319 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1321         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1322         DECL_IGNORED_P non-reg vars even if they are used.
1324 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1326         PR debug/53671
1327         PR debug/49888
1328         * var-tracking.c (vt_get_canonicalize_base): New.
1329         (vt_canonicalize_addr, vt_stack_offset_p): New.
1330         (vt_canon_true_dep): New.
1331         (drop_overlapping_mem_locs): Use vt_canon_true_dep.
1332         (clobber_overlaping_mems): Use vt_canonicalize_addr.
1334 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1336         PR debug/53671
1337         PR debug/49888
1338         * var-tracking.c (vt_initialize): Record initial offset between
1339         arg pointer and stack pointer.
1341 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1343         PR debug/53671
1344         PR debug/49888
1345         * var-tracking.c (vt_init_cfa_base): Drop redundant recording of
1346         CFA base.
1348 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1350         PR debug/53671
1351         PR debug/49888
1352         * alias.c (memrefs_conflict_p): Improve handling of AND for alignment.
1354 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1356         * ddg.c (build_intra_loop_deps): Discard deps of nondebug on debug.
1358 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1360         PR debug/53682
1361         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1363 2012-06-21  Meador Inge  <meadori@codesourcery.com>
1365         PR c/53702
1366         * c-decl.c (c_push_function_context): Restore the behavior to reuse
1367         the language function allocated for -Wunused-local-typedefs.
1368         (c_pop_function_context): If necessary, clear the language function
1369         created in c_push_function_context.  Always clear out the
1370         x_cur_stmt_list field of the restored language function.
1372 2012-06-21  Sterling Augustine  <saugustine@google.com>
1373             Cary Coutant  <ccoutant@google.com>
1375         * dwarf2out.c (is_cu_die, is_namespace_die, is_class_die,
1376         add_AT_pubnames, add_enumerator_pubname, want_pubnames): New functions.
1377         (comdat_type_struct): New field 'skeleton_die'.
1378         (breakout_comdat_types): Update it.
1379         (add_pubname): Rework logic.  Call is_class_die, is_cu_die and
1380         is_namespace_die.  Fix minor style violation.  Call want_pubnames.
1381         (add_pubname_string): Call want_pubnames.
1382         (add_pubtype): Rework logic for calculating type name.  Call
1383         is_namespace_die.  Call want_pubnames.
1384         (output_pubnames): Move conditional logic deciding when to produce the
1385         section from dwarf2out_finish.  Use new skeleton_die field.
1386         (base_type_die): Call add_pubtype.
1387         (gen_enumeration_type_die): Unconditionally call add_pubtype.
1388         (gen_subprogram_die): Adjust calls to add_pubname.
1389         (gen_namespace_die): Call add_pubname_string.
1390         (dwarf2out_finish): Call add_AT_pubnames; Move logic on when to
1391         produce pubnames and pubtypes sections to output_pubnames.
1392         * common.opt (-gpubnames): New option.
1393         * doc/invoke.texi: Document it.
1395 2012-06-21  Steven Bosscher  <steven@gcc.gnu.org>
1397         * config/m32c/m32c-pragma.c: Remove unnecessary includes.
1399 2012-06-21  Michael Matz  <matz@suse.de>
1401         PR middle-end/53688
1402         * builtins.c (get_memory_rtx): Always build an all-aliasing MEM_REF
1403         with correct size.
1405 2012-06-21  Richard Guenther  <rguenther@suse.de>
1407         * tree-inline.c (estimate_num_insns): Estimate call cost for
1408         tailcalls properly.
1410 2012-06-20  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
1412         * tree.h (DECL_SOURCE_COLUMN): New accessor.
1414 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1416         * config/i386/i386.md (SINCOS): New int iterator.
1417         (sincos): New int attribute.
1418         (*<sincos>xf2_i387): Macroize insn from *{sin,cos}xf2_i387 using
1419         SINCOS int iterator.
1420         (*<sincos>_extend<mode>xf2_i387): Macroize insn from
1421         *{sin,cos}_extend<mode>xf2_i387 using SINCOS int iterator.
1423 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1425         * config/i386/i386.md (RDFSGSBASE): New int iterator.
1426         (WRFSGSBASE): Ditto.
1427         (fsgs): New int attribute.
1428         (rd<fsgs>base<mode>): Macroize insn from rd<fsgs>base<mode> using
1429         RDFSGSBASE int iterator.
1430         (wr<fsgs>base<mode>): Macroize insn from wr<fsgs>base<mode> using
1431         WRFSGSBASE int iterator.
1433 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1435         * config/i386/i386.md (<rounding_insn><mode>2): Macroize expander
1436         from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.
1437         (l<rounding_insn><MODEF:mode><SWI48:mode>2): Macroize expander
1438         from l{floor,ceil}<MODEF:mode><SWI48:mode>2 using FIST_ROUNDING
1439         int iterator.
1441 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1443         * system.h: Poison ASM_OUTPUT_IDENT and IDENT_ASM_OP.
1445 2012-06-20  Richard Guenther  <rguenther@suse.de>
1447         PR tree-optimization/30318
1448         * tree-vrp.c (range_int_cst_p): Do not reject overflowed
1449         constants here.
1450         (range_int_cst_singleton_p): But explicitely here.
1451         (zero_nonzero_bits_from_vr): And here.
1452         (extract_range_from_binary_expr_1): Re-implement PLUS_EXPR
1453         to cover all cases we can perform arbitrary precision
1454         arithmetic with double-ints.
1455         (intersect_ranges): Handle adjacent anti-ranges.
1457 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1459         * config/i386/i386.md (rounding_insn): New int attribute.
1460         (<rounding_insn>xf2): Macroize insn from
1461         {floor,ceil,btrunc}xf2 using FRNDINT_ROUNDING int iterator.
1462         (l<rounding_insn>xf<mode>2): Rename from l<rounding>xf<mode>2.
1464 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1466         * config/i386/i386.md (IEEE_MAXMIN): New int iterator.
1467         (ieee_maxmin): New int attribute.
1468         (*ieee_s<ieee_maxmin><mode>3): Macroize insn from
1469         *ieee_s{max,min}<mode>3 using IEEE_MAXMIN int iterator.
1471 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1473         * config/arm/arm.h (EMIT_EABI_ATTRIBUTE): Remove.
1474         * config/arm/arm.c: Do not include c-pragma.h.
1475         (arm_emit_eabi_attribute): New function based on EMIT_EABI_ATTRIBUTE.
1476         (arm_file_start): Replace uses of EMIT_EABI_ATTRIBUTE with calls
1477         to arm_emit_eabi_attribute.
1478         * arm-c.c: Do not include output.h.
1479         (arm_output_c_attributes): Replace use of EMIT_EABI_ATTRIBUTE with a
1480         call to arm_emit_eabi_attribute.
1481         * config/arm/arm-protos.h (arm_emit_eabi_attribute): Prototype it.
1483 2012-06-20  Richard Guenther  <rguenther@suse.de>
1485         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
1486         Allow adjusting alignment of user-aligned decls again.
1488 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1490         * config/rl78/rl78-c.c: Remove unnecessary includes.
1492 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1494         * config/cris/cris.c: Include cgraph.h.
1495         (cris_option_override): Do not set non-existing flag_no_gcc_ident.
1497 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
1499         * emit-rtl.c (need_atomic_barrier_p): New function.
1500         * emit-rtl.h (need_atomic_barrier_p): Declare it.
1501         * config/alpha/alpha.c (alpha_{pre,post}_atomic_barrier): Use it.
1502         * config/arm/arm.c (arm_{pre,post}_atomic_barrier): Use it.
1503         * config/tilegx/tilegx.c (tile_{pre,post}_atomic_barrier): Use it.
1504         * config/mips/mips.c (mips_{pre,post}_atomic_barrier_p): Remove.
1505         (mips_process_sync_loop): Use generic version instead.
1507 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
1509         * config/mips/mips.c (mips_process_sync_loop): Emit cmp result only if
1510         it is used.
1512 2012-06-19  Tom de Vries  <vries@codesourcery.com>
1513             Maxim Kuvyrkov  <maxim@codesourcery.com>
1515         * config/mips/constraints.md (ZR): New constraint.
1516         * config/mips/predicates.md (mem_noofs_operand): New predicate.
1517         * config/mips/mips.c (mips_print_operand): Handle new print modifier.
1518         * config/mips/mips.h (TARGET_XLP): Define.
1519         (TARGET_SYNC_AFTER_SC): Update.
1520         (ISA_HAS_SWAP, ISA_HAS_LDADD): Define.
1521         * config/mips/sync.md (atomic_exchange, atomic_fetch_add): Use
1522         XLP-specific swap and ldadd patterns.
1523         (atomic_exchange_swap, atomic_fetch_add_ldadd): New patterns.
1525 2012-06-19  Tom de Vries  <vries@codesourcery.com>
1526             Maxim Kuvyrkov  <maxim@codesourcery.com>
1528         * config/mips/mips.c (mips_emit_pre_atomic_barrier_p,)
1529         (mips_emit_post_atomic_barrier_p): New static functions.
1530         (mips_process_sync_loop): Use them.  Emit sync memory barriers in
1531         accordance with memory model semantics.  Add return of CMP result for
1532         compare_and_swap.
1533         * config/mips/mips.md: Update comment.
1534         (sync_cmp): New attribute.
1535         (sync_memmodel): New attribute replacing sync_release_barrier.
1536         * config/mips/sync.md (UNSPEC_ATOMIC_COMPARE_AND_SWAP,)
1537         (UNSPEC_ATOMIC_EXCHANGE, UNSPEC_ATOMIC_FETCH_OP): New constants.
1538         (sync_lock_test_and_set, test_and_set_12): Update.
1539         (atomic_compare_and_swap, atomic_exchange, atomic_exchange_llsc,)
1540         (atomic_fetch_add, atomic_fetch_add_llsc): New patterns.
1542 2012-06-19  Joseph Myers  <joseph@codesourcery.com>
1544         * config/rs6000/spe.md (*mov_si<mode>_e500_subreg0): Rename to
1545         mov_si<mode>_e500_subreg0.
1546         (*mov_si<mode>_e500_subreg0_elf_low)
1547         (*mov_si<mode>_e500_subreg4_elf_low): New patterns.
1549 2012-06-19  Richard Henderson  <rth@redhat.com>
1551         * config/alpha/alpha.c: Include params.h.
1552         (alpha_option_override): Initialize PARAM_L1_CACHE_LINE_SIZE,
1553         PARAM_L1_CACHE_SIZE, PARAM_L2_CACHE_SIZE for the cpu tuning.
1555 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
1557         * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE,
1558         TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks.
1559         (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE):
1560         Remove.
1561         * doc/tm.texi: Regenerate.
1562         * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for
1563         .objc_class_name_*.
1564         * config/darwin-c.c: Include target.h.
1565         (darwin_objc_declare_unresolved_class_reference): New function.
1566         (darwin_objc_declare_class_definition): New function.
1567         (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define.
1568         (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define.
1570 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
1572         * target.def (output_ident): New hook.
1573         * targhooks.h (default_asm_output_ident_directive): Add prototype.
1574         * varasm.c (assemble_asm): Only prefix a tab if the string does not
1575         already start with one.
1576         (default_asm_output_ident_directive): New function to emit
1577         .ident as a top-level asm node while parsing, or directly to
1578         asm_out_file after parsing.
1579         * toplev.c (compile_file): Print a GCC .ident with
1580         targetm.asm_out.output_ident.
1581         * doc/tm.texi.in (ASM_OUTPUT_IDENT): Remove documentation for macro.
1582         (TARGET_ASM_OUTPUT_IDENT): Add @hook for this.
1583         * doc/tm.texi: Update.
1585         * config/elfos.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
1586         (TARGET_ASM_OUTPUT_IDENT): Define.
1587         * config/i386/djgpp.h (IDENT_ASM_OP): Remove.
1588         * config/i386/gas.h (ASM_OUTPUT_IDENT): Remove.
1589         * config/arm/aout.h (ASM_OUTPUT_IDENT): Remove.
1590         * config/sparc/sparc.h (IDENT_ASM_OP): Remove.
1591         (TARGET_ASM_OUTPUT_IDENT): Define.
1592         * config/picochip/picochip.h (IDENT_ASM_OP): Remove.
1593         (TARGET_ASM_OUTPUT_IDENT): Define.
1595         * config/cris/cris-protos.h (cris_asm_output_ident): Add prototype.
1596         * config/cris/cris.c (cris_asm_output_ident): New function.
1597         * config/cris/cris.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
1599         * config/microblaze/microblaze-protos.h (microblaze_asm_output_ident):
1600         Add prototype.
1601         * config/microblaze/microblaze.c: Include cgraph.h for add_asm_node.
1602         (microblaze_asm_output_ident): Rewrite to work similar to
1603         default_asm_output_ident_directive for front-end .idents.
1604         * config/microblaze/microblaze.h (ASM_OUTPUT_IDENT): Remove.
1605         (TARGET_ASM_OUTPUT_IDENT): Define.
1607         * config/mips/mips.h (ASM_OUTPUT_IDENT): Remove.
1608         * config/mips/sde.h (IDENT_ASM_OP, ASM_OUTPUT_IDENT): Remove.
1610         * config/rx/rx.c: Include cgraph.h for add_asm_node.
1611         (rx_asm_output_ident): New function, similar to
1612         default_asm_output_ident_directive, but handle AS100 syntax also, so
1613         that #ident also works for rx in AS100 syntax.
1614         (TARGET_ASM_OUTPUT_IDENT): Define.
1615         * config/rx/rx.h (IDENT_ASM_OP): Remove.
1617         * Makefile.in: Fix dependencies for c-family/c-lex.o.
1619 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
1621         * config/i386/i386.md (FIST_ROUNDING): New int iterator.
1622         (rounding): Handle UNSPEC_FIST_{FLOOR,CEIL}.
1623         (ROUNDING): Ditto.
1624         (*fist<mode>2_<rounding>_1): Macroize insn from
1625         *fist<mode>2_{floor,ceil}_1 using FIST_ROUNDING int iterator.
1626         (fistdi2_<rounding>): Macroize insn from
1627         fistdi2_{floor,ceil} using FIST_ROUNDING int iterator.
1628         (fistdi2_<rounding>_with_temp and splitters): Macroize insn and
1629         corresponding splitters from fistdi2_{floor,ceil} and corresponding
1630         splitters using FIST_ROUNDING int iterator.
1631         (fist<mode>2_<rounding>): Macroize insn from
1632         fist<mode>2_{floor,ceil} using FIST_ROUNDING int iterator.
1633         (fist<mode>2_<rounding>_with_temp and splitters): Macroize insn and
1634         corresponding splitters from fist<mode>2_{floor,ceil} and corresponding
1635         splitters using FIST_ROUNDING int iterator.
1636         (l<rounding>xf<mode>2): Macroize expander from l{floor,ceil}xf<mode>2
1637         using FIST_ROUNDING int iterator.
1639 2012-06-19  Richard Henderson  <rth@redhat.com>
1641         * config/i386/i386-protos.h (ix86_expand_sse2_mulv4si3): Declare.
1642         * config/i386/i386.c (ix86_expand_sse2_mulv4si3): New.
1643         * config/i386/predicates.md (nonimmediate_or_const_vector_operand): New.
1644         * config/i386/sse.md (sse2_mulv4si3): Delete.
1645         (mul<VI4_AVX2>3): Use ix86_expand_sse2_mulv4si3 and
1646         nonimmediate_or_const_vector_operand.
1648 2012-06-19  Richard Henderson  <rth@redhat.com>
1650         * expmed.c (struct init_expmed_rtl): Split ...
1651         (init_expmed_one_mode): ... out of ...
1652         (init_expmed): ... here.  Initialize integer vector modes also.
1653         (synth_mult): Handle integer vector modes.
1654         (choose_mult_variant): Likewise.
1655         (expand_mult_const): Likewise.
1656         (expand_mult): Likewise.
1657         * machmode.h (GET_MODE_UNIT_BITSIZE): New.
1659 2012-06-19  Richard Henderson  <rth@redhat.com>
1661         * config/i386/i386.c (ix86_rtx_costs): Handle CONST_VECTOR, and
1662         integral vector modes.
1664 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
1666         * config/i386/i386.md (FRNDINT_ROUNDING): New int iterator.
1667         (rounding): New int attribute.
1668         (ROUNDING): Ditto.
1669         (frndintxf2_<rounding>): Macroize insn from
1670         frndintxf2_{floor,ceil,trunc} using FRNDINT_ROUNDING int iterator.
1671         (frndintxf2_<rounding>_i387): Macroize insn from
1672         frndintxf2_{floor,ceil,trunc}_i387 using FRNDINT_ROUNDING int iterator.
1674 2012-06-19  Richard Guenther  <rguenther@suse.de>
1676         * tree-vrp.c (union_ranges): New function.
1677         (vrp_meet_1): Use union_ranges.
1678         (vrp_meet): Dump what we union and call vrp_meet_1.
1680 2012-06-19  Richard Earnshaw  <rearnsha@arm.com>
1682         * arm.md (enum unspec): Delete UNSPEC_SIN and UNSPEC_COS.
1683         (attr type): Remove fmul, ffmul, farith, ffarith, float_em
1684         f_fpa_load, f_fpa_store, f_mem_r, r_mem_f.
1685         (attr write_conflict, attr core_cycles): Update.
1686         * arm-generic.md (r_mem_f_wbuf): Delete reservation.
1688 2012-06-19  Richard Guenther  <rguenther@suse.de>
1690         * tree-vrp.c (intersect_ranges): Handle more cases.
1691         (vrp_intersect_ranges): Dump what we intersect and call ...
1692         (vrp_intersect_ranges_1): ... this.
1694 2012-06-19  Richard Guenther  <rguenther@suse.de>
1696         PR tree-optimization/53708
1697         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
1698         user-supplied alignment and alignment of decls with the used
1699         attribute.
1701 2012-06-18  Lawrence Crowl  <crowl@google.com>
1703         * timevar.def (TV_PHASE_GENERATE): Rename to TV_PHASE_LATE_ASM.
1704         (TV_PHASE_CGRAPH): Rename to TV_PHASE_OPT_GEN.
1705         (TV_PHASE_STREAM_IN): New.
1706         (TV_PHASE_STREAM_OUT): New.
1707         * timevar.c (validate_phases): New.
1708         (timevar_print): Call validate_phases.
1709         * c-decl.c (c_write_global_declarations): Rename use of TV_PHASE_CGRAPH
1710         to TV_PHASE_OPT_GEN.
1711         * langhooks.c (write_global_declarations): Rename use of
1712         TV_PHASE_CGRAPH to TV_PHASE_OPT_GEN.  Use TV_PHASE_DBGINFO instead of
1713         TV_PHASE_CHECK_DBGINFO.
1714         * toplev.c (compile_file): Rename use of TV_PHASE_GENERATE to
1715         TV_PHASE_LATE_ASM.  Move start of TV_PHASE_LATE_ASM to after call to
1716         lang_hooks.decls.final_write_globals.
1718 2012-06-18  David Edelshn  <dje.gcc@gmail.com>
1720         * config/rs6000/aix52.h (TARGET_EXTRA_BUILTINS): Define as 0.
1722 2012-06-18  Uros Bizjak  <ubizjak@gmail.com>
1724         PR target/53712
1725         * config/i386/sse.md (*sse4_2_pcmpestr_unaligned): New.
1726         (*sse4_2_pcmpistr_unaligned): New.
1728 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1729             Sameera Deshpande  <sameera.deshpande@arm.com>
1730             Greta Yorsh  <greta.yorsh@arm.com>
1732         * config/arm/arm-protos.h (arm_output_epilogue): Remove.
1733         * config/arm/arm.c (print_multi_reg): Remove.
1734         (vfp_output_fldmd): Likewise.
1735         (arm_output_epilogue): Likewise.
1736         * config/arm/arm.md (epilogue_insns): Update condition and code.
1738 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1739             Sameera Deshpande  <sameera.deshpande@arm.com>
1740             Greta Yorsh  <greta.yorsh@arm.com>
1742         * config/arm/arm-protos.h (thumb2_expand_return): New declaration.
1743         * config/arm/arm.c (thumb2_expand_return): New function.
1744         * config/arm/arm.md (return): Update condition and code.
1746 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1747             Sameera Deshpande  <sameera.deshpande@arm.com>
1748             Greta Yorsh  <greta.yorsh@arm.com>
1750         * config/arm/arm-protos.h (output_return_instruction): New parameter
1751         and int to bool change of parameter types.
1752         * config/arm/arm.c (output_return_instruction): Likewise.
1753         * config/arm/arm.md (arm_simple_return): New pattern.
1754         (arm_return, cond_return, cond_return_inverted): Add new arguments.
1755         * config/arm/thumb2.md (thumb2_return): Update condition and code.
1757 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1758             Sameera Deshpande  <sameera.deshpande@arm.com>
1759             Greta Yorsh  <greta.yorsh@arm.com>
1761         * config/arm/arm-protos.h (arm_expand_epilogue): New declaration.
1762         * config/arm/arm.c (arm_expand_epilogue): New function.
1763         * config/arm/arm.md (epilogue): Update condition and code.
1764         (sibcall_epilogue): Likewise.
1766 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1767             Sameera Deshpande  <sameera.deshpande@arm.com>
1768             Greta Yorsh  <greta.yorsh@arm.com>
1770         * config/arm/arm.c (arm_expand_epilogue_apcs_frame): New function.
1771         * config/arm/arm.md (arm_addsi3) Add an alternative.
1773 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1774             Sameera Deshpande  <sameera.deshpande@arm.com>
1775             Greta Yorsh  <greta.yorsh@arm.com>
1777         * config/arm/arm.md (vfp_pop_multiple_with_writeback) New define_insn.
1778         * config/arm/predicates.md (pop_multiple_fp) New special predicate.
1779         * config/arm/arm.c (arm_emit_vfp_multi_reg_pop): New function.
1781 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1782             Sameera Deshpande  <sameera.deshpande@arm.com>
1783             Greta Yorsh  <greta.yorsh@arm.com>
1785         * config/arm/arm.md (load_multiple_with_writeback) New define_insn.
1786         (load_multiple, pop_multiple_with_writeback_and_return) Likewise.
1787         (pop_multiple_with_return, ldr_with_return) Likewise.
1788         * config/arm/predicates.md (pop_multiple_return) New special predicate.
1789         * config/arm/arm-protos.h (arm_output_multireg_pop) New declaration.
1790         * config/arm/arm.c (arm_output_multireg_pop) New function.
1791         (arm_emit_multi_reg_pop): New function.
1793 2012-06-18  Greta Yorsh  <Greta.Yorsh@arm.com>
1795         * config/arm/arm.c (ldm_stm_operation_p): Require SP
1796         as base register for loads if SP is in the register list.
1798 2012-06-18  Richard Guenther  <rguenther@suse.de>
1800         PR tree-optimization/53693
1801         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1802         Reject operands with more than one use.
1804 2012-06-18  Bill Schmidt  <wschmidt@linux.ibm.com>
1806         PR tree-optimization/53703
1807         * tree-ssa-phiopt.c (hoist_adjacent_loads): Skip virtual phis;
1808         correctly set bb_for_def[12].
1810 2012-06-18  Steven Bosscher  <steven@gcc.gnu.org>
1812         * config/vax/vax.h (VMS_TARGET): Remove.
1814 2012-06-18  Richard Guenther  <rguenther@suse.de>
1816         * tree-vrp.c (extract_range_from_assert): Split out range
1817         intersecting code.
1818         (intersect_ranges): New function.
1819         (vrp_intersect_ranges): Likewise.
1821 2012-06-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1823         * config/s390/s390.c (s390_gimplify_va_arg): Revert change from
1824         r187965.
1826 2012-06-18  Tejas Belagod  <tejas.belagod@arm.com>
1828         * doc/md.texi: Document int iterators.
1829         * read-rtl.c (ints): New iterator group.
1830         (find_int): Int iterator group callback.
1831         (apply_int_iterator): Likewise.
1832         (apply_iterators): Traverse int iterator table and add all the used
1833         iterators to list.
1834         (initialize_iterators): Initialize data structures and callbacks for
1835         int iterators.
1836         (read_rtx): Parse and read mappings for int iterators.
1837         (read_rtx_code): Record int iterator usage.
1839 2012-06-18  Richard Sandiford  <rdsandiford@googlemail.com>
1841         PR middle-end/53698
1842         * expr.c (expand_expr_addr_expr_1): Convert to tmode before
1843         performing an addition.
1845 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1847         * output.h (split_double): Move prototype to rtl.h.
1848         (constructor_static_from_elts_p): Move prototype to tree.c.
1849         * rtl.h (split_double): Moved here from output.h.
1850         * tree.h (constructor_static_from_elts_p): Moved here from output.h.
1851         * final.c (split_double): Move from here ...
1852         * rtlanal.c (split_double): ... to here.
1853         * expr.c: Do not include output.h.
1855 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1857         * cfglayout.h: Remove.
1858         * cfglayout.c: Remove.
1859         * function.h (struct function): Remove x_last_location field.
1860         * function.c: Do not include cfglayout.h.
1861         (expand_function_start): Do not call no-op force_next_line_note.
1862         (expand_function_end): Likewise.
1863         * cfgrtl.c: Do not include cfglayout.h.  Include gt-cfgrtl.h.
1864         (unlink_insn_chain): Moved here from cfglayout.c.
1865         (skip_insns_after_block, label_for_bb, record_effective_endpoints,
1866         into_cfg_layout_mode, outof_cfg_layout_mode,
1867         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode,
1868         relink_block_chain, fixup_reorder_chain, verify_insn_chain,
1869         fixup_fallthru_exit_predecessor, force_one_exit_fallthru,
1870         cfg_layout_can_duplicate_bb_p, duplicate_insn_chain,
1871         cfg_layout_duplicate_bb, cfg_layout_initialize, break_superblocks,
1872         cfg_layout_finalize): Likewise.
1873         (rtl_can_remove_branch_p): Likewise.
1874         * rtl.h (insn_scope): Move prototype from cfglayout.h here.
1875         (duplicate_insn_chain): Likewise.
1876         (force_next_line_note): Remove prototype.
1877         * emit-rtl.c: Do not include tree-flow.h, egad.  Include vecprim.h.
1878         (last_location): Remove #define to emit.x_last_location.
1879         (force_next_line_note): Remove no-op function.
1880         (init_emit): Don't set x_last_location.
1881         (block_locators_locs, block_locators_blocks, locations_locators_locs,
1882         locations_locators_vals, prologue_locator, epilogue_locator,
1883         curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1884         Move POD to here from cfglayout.c.
1885         (insn_locators_alloc, insn_locators_finalize, insn_locators_free,
1886         set_curr_insn_source_location, get_curr_insn_source_location,
1887         set_curr_insn_block, get_curr_insn_block, curr_insn_locator,
1888         locator_scope, insn_scope, locator_location, locator_line, insn_line,
1889         locator_file, insn_file, locator_eq): Move to here from cfglayout.c.
1890         * cfghooks.h: Remove double-include protection.
1891         (can_copy_bbs_p, copy_bbs): Move prototypes from cfglayout.h to here.
1892         * cfghooks.c (can_copy_bbs_p, copy_bbs): Move to here from cfglayout.c.
1893         * final.c: Do not include cfglayout.h.
1894         (choose_inner_scope, change_scope): Move to here from cfglayout.c.
1895         (reemit_insn_block_notes): Likewise.  Make static.
1896         * tree-flow.h (tree_could_trap_p, operation_could_trap_helper_p,
1897         operation_could_trap_p, tree_could_throw_p): Move from here...
1898         * tree.h: ... to here.
1899         * gengtype.c (open_base_files): Remove cfglayout.h from the list.
1900         * profile.c: Do not include cfghooks.h.
1901         * cfgloopmanip.c: Do not include cfglayout.h and cfghooks.h.
1902         * modulo-sched.c: Likewise.
1903         * loop-unswitch.c: Do not include cfglayout.h.
1904         * sched-ebb.c: Likewise.
1905         * tracer.c: Likewise.
1906         * ddg.c: Likewise.
1907         * tree-vect-loop-manip.c: Likewise.
1908         * loop-init.c: Likewise.
1909         * dwarf2out.c: Likewise.
1910         * hw-doloop.c: Likewise.
1911         * loop-unroll.c: Likewise.
1912         * cfgcleanup.c: Likewise.
1913         * bb-reorder.c: Likewise.
1914         * sched-rgn.c: Likewise.
1915         * tree-cfg.c: Likewise.
1916         * config/alpha/alpha.c: Likewise.
1917         * config/spu/spu.c: Likewise.
1918         * config/sparc/sparc.c: Likewise.
1919         * config/sh/sh.c: Likewise.
1920         * config/c6x/c6x.c: Likewise.
1921         * config/ia64/ia64.c: Likewise.
1922         * config/rs6000/rs6000.c: Likewise.
1923         * config/score/score.c: Likewise.
1924         * config/mips/mips.c: Likewise.
1925         * config/bfin/bfin.c: Likewise.
1926         * Makefile.in (CFGAYOUT_H): Remove, and fixup users.
1927         * config/rs6000/t-rs6000 (rs6000.o): Do not depend on cfglayout.h.
1928         * config/spu/t-spu-elf (spu.o: $): Likewise.
1929         * config/sparc/t-sparc (sparc.o): Do not depend on CFGLAYOUT_H.
1931 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1933         * cfgloop.h: Do not include rtl.h.
1934         (enum iv_extend_code): New.
1935         (struct rtx_iv): Use iv_extend_code instead of rtx_code.
1936         * Makefile.in (CFGLOOP_H): Do not depend on RTL_H.
1937         * loop-iv.c (iv_extend_to_rtx_code): New function to translate
1938         an IV_EXTEND_CODE to an RTX_CODE.
1939         (dump_iv_info): Update for rtx_iv field type change.
1940         (iv_constant): Likewise.
1941         (iv_subreg): Likewise.
1942         (iv_extend): Likewise.
1943         (iv_neg): Likewise.
1944         (iv_add): Likewise.
1945         (iv_mult): Likewise.
1946         (iv_shift): Likewise.
1947         (get_biv_step_1): Likewise.
1948         (get_biv_step): Likewise.
1949         (iv_analyze_biv): Likewise.
1950         (get_iv_value): Likewise.
1951         (shorten_into_mode): Likewise.
1952         (canonicalize_iv_subregs): Likewise.
1953         * sese.c (sese_build_liveouts): Use MAY_HAVE_DEBUG_STMTS instead
1954         of MAY_HAVE_DEBUG_INSNS.
1955         * tree-ssa-loop-ivopts.c: Include recog.h after expr.h.
1956         * tree-ssa-loop-prefetch.c: Likewise.
1958 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1960         * expmed.c (ceil_log2): Move from here...
1961         * hwint.c: ... to here for older GCCs...
1962         * hwint.h: ... and here for newer GCCs.
1963         * rtl.h (ceil_log2): Remove prototype.
1965         * tree-phinodes.c: Do not include rtl.h.
1966         * Makefile.in (tree-phinodes.o): Do not depend on RTL_H.
1968 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1970         * config/cris/cris.h (TARGET_ELF): Remove.
1971         (FORCE_EH_FRAME_INFO_IN_DATA_SECTION): Remove.
1972         (CRIS_ASM_OUTPUT_ALIGNED_DECL_COMMON): Simpify using TARGET_ELF==1.
1973         (LOCAL_LABEL_PREFIX): Likewise.
1974         * config/cris/cris.c (cris_target_asm_named_section): Remove.
1975         (cris_option_override): Simpify using TARGET_ELF==1.
1976         (cris_file_start): Likewise.
1977         * config/cris/cris-protos.h (cris_target_asm_named_section): Remove.
1979 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1981         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1983 2012-06-16  Eric Botcazou  <ebotcazou@adacore.com>
1985         PR middle-end/53590
1986         * tree-inline.c (initialize_cfun): Copy can_delete_dead_exceptions.
1988 2012-06-15  Easwaran Raman  <eraman@google.com>
1990         * passes.c (init_optimization_passes): Remove pass_call_cdce
1991         from its current position and insert after pass_dce.
1993 2012-06-15  Walter Lee  <walt@tilera.com>
1995         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1997 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
1999         * arm.c (note_invalid_constants): Don't return a result.
2000         (arm_memory_load_p): Delete function.
2001         (arm_const_double_rtx): Delete iterator variable i;
2002         (fp_immediate_constant): Likewise.
2003         (fp_const_from_val): Likewise.
2005         * arm.c (arm_init_iwmmxt_builtins): Delete void_ftype_void.
2007 2012-06-15  Marc Glisse  <marc.glisse@inria.fr>
2009         PR c++/51033
2010         * c-typeck.c (c_build_vec_perm_expr): Move to c-family/c-common.c.
2011         * c-tree.h (c_build_vec_perm_expr): Move to c-family/c-common.h.
2013 2012-06-15  Georg-Johann Lay  <avr@gjlay.de>
2015         * config/avr/avr.c (avr_default_expand_builtin): New function.
2016         (avr_expand_builtin): Use it.
2017         (avr_expand_unop_builtin): Remove.
2018         (avr_expand_binop_builtin): Remove.
2019         (avr_expand_triop_builtin): Remove.
2021 2012-06-15  Michael Matz  <matz@suse.de>
2023         PR middle-end/38474
2024         * cfgexpand.c (add_alias_set_conflicts): Remove.
2025         (expand_used_vars): Don't call it.
2026         (aggregate_contains_union_type): Remove.
2027         * function.c (n_temp_slots_in_use): New static data.
2028         (make_slot_available, assign_stack_temp_for_type): Update it.
2029         (init_temp_slots): Zero it.
2030         (remove_unused_temp_slot_addresses): Use it for quicker removal.
2031         (remove_unused_temp_slot_addresses_1): Use htab_clear_slot.
2033 2012-06-15  Michael Matz  <matz@suse.de>
2035         * gimplify.c (gimplify_compound_literal_expr): Take gimple_test_f
2036         argument, don't emit assign statement if value is directly usable.
2037         (gimplify_expr): Adjust.
2039 2012-06-15  Michael Matz  <matz@suse.de>
2041         * gimplify.c (gimplify_modify_expr): Fold generated statements.
2042         * gimple-fold.c (can_refer_decl_in_current_unit_p): Check flag_ltrans.
2044 2012-06-15  Richard Guenther  <rguenther@suse.de>
2046         * tree-vrp.c (set_and_canonicalize_value_range): Use canonical
2047         predicates to set VR_UNDEFINED and VR_VARYING.  Drop a case
2048         we assert for in set_value_range to VR_VARYING.
2050 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
2052         * arm.md (addsf3, adddf3): Use s_register_operand.
2053         (subsf3, subdf3): Likewise.
2054         (mulsf3, muldf3): Likewise.
2055         (difsf3, divdf3): Likewise.
2056         (movsfcc, movdfcc): Likewise.
2057         * predicates.md (f_register_operand): Delete.
2058         (arm_float_rhs_operand): Delete.
2059         (arm_float_add_operand): Delete.
2060         (arm_float_compare_operand): Use s_register_operand when
2061         there's no VFP.
2062         (cirrus_register_operand): Delete.
2063         (cirrus_fp_register): Delete.
2064         (cirrus_shift_const): Delete.
2065         (cmpdi_operand): Remove Maverick support.
2066         * constraints.md (f, v, H): Delete constraints.
2067         (G): Update documentation.
2068         * arm.c (fp_consts_inited): Convert to bool.
2069         (strings_fp): Delete.
2070         (values_fp): Delete.
2071         (value_fp0): New variable.
2072         (init_fp_table): Simplify logic.
2073         (arm_const_double_rtx): Likewise.
2074         (fp_immediate_constant): Likewise.
2075         (fp_const_from_val): Likewise.
2076         (neg_const_double_rtx_ok_for_fpa): Delete.
2077         * doc/md.texi (ARM constraints): Update documentation.
2079 2012-06-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
2081         PR tree-optimization/53636
2082         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Verify
2083         stride when doing basic-block vectorization.
2085 2012-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2087         * tree-vect-generic.c (lower_vec_perm): Propagate vector constants
2088         into VEC_PERM_EXPR.
2090 2012-06-15  Jakub Jelinek  <jakub@redhat.com>
2092         * tree-vect-patterns.c (vect_pattern_recog): Don't unnecessarily
2093         allocate and free bbs array for the SLP case.
2095         PR tree-optimization/51581
2096         * expr.h (choose_multiplier): New prototype.
2097         * expmed.c (choose_multiplier): No longer static.
2098         Change multiplier_ptr from rtx * to UHWI *.
2099         (expand_divmod): Adjust callers.
2100         * tree-vect-patterns.c (vect_recog_sdivmod_pow2_pattern): Renamed to...
2101         (vect_recog_divmod_pattern): ... this.  Pass bb_vinfo as last
2102         argument to new_stmt_vec_info.  Attempt to optimize also divisions
2103         by non-pow2 constants if integer vector division isn't supported.
2104         * tree-vect-stmts.c (vect_analyze_stmt): If node != NULL,
2105         don't look at pattern stmts and sequences.
2107 2012-06-15  Eric Botcazou  <ebotcazou@adacore.com>
2109         PR middle-end/53590
2110         * common.opt (-fdelete-dead-exceptions): New switch.
2111         * doc/invoke.texi (Code Gen Options): Document it.
2112         * cse.c (count_reg_usage) <CALL_INSN>: Use !insn_nothrow_p in lieu of
2113         insn_could_throw_p predicate.  Do not skip an insn that could throw
2114         if dead exceptions can be deleted.
2115         (insn_live_p): Likewise, do not return true in that case.
2116         * dce.c (can_alter_cfg): New flag.
2117         (deletable_insn_p): Do not return false for an insn that can throw if
2118         the CFG can be altered and dead exceptions can be deleted.
2119         (init_dce): Set can_alter_cfg to false for fast DCE, true otherwise.
2120         * dse.c (scan_insn): Use !insn_nothrow_p in lieu of insn_could_throw_
2121         predicate. Do not preserve an insn that could throw if dead exceptions
2122         can be deleted.
2123         * function.h (struct function): Add can_delete_dead_exceptions flag.
2124         * function.c (allocate_struct_function): Set it.
2125         * lto-streamer-in.c (input_struct_function_base): Stream it.
2126         * lto-streamer-out.c (input_struct_function_base): Likewise.
2127         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark a
2128         statement that could throw as necessary if dead exceptions can be
2129         deleted.
2131 2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
2133         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
2135 2012-06-14  Oleg Endo  <olegendo@gcc.gnu.org>
2137         PR target/53568
2138         * config/sh/sh.md: Add peephole for swapbsi2.
2139         (*swapbisi2_and_shl8, *swapbhisi2): New insns and splits.
2141 2012-06-14  Uros Bizjak  <ubizjak@gmail.com>
2143         * config/i386/i386.md (*zero_extendsidi2): Remove x,x alternative.
2144         (*zero_extendsidi2_rex64): Ditto.  Remove isa attribute.
2146 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
2148         PR target/53639
2149         * config/i386/i386.md (*anddi_1 into *andsi_1_zext splitter): New.
2151 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
2153         * arm.c (arm_cirrus_insn_p): Delete.
2154         (cirrus_reorg): Delete.
2155         (arm_reorg): Don't call cirrus_reorg.
2156         (arm_final_prescan_insn_p): Don't check for cirrus insns.
2157         * arm.md (define_attr "type"): Remove mav_farith and mav_dmult.
2158         (adddi3, subdi3): Remove Maverick support.
2159         (arm_adddi3): Likewise.
2160         (adddi_sesidi_di, adddi_zesidi_di): Likewise.
2161         (addsf3, adddf3): Likewise.
2162         (subsf3, subdf3): Likewise.
2163         (mulsf3, muldf3): Likewise.
2164         (ashldi3, ashrdi3, lshrdi3): Likewise.
2165         (floatsisf2, floatsidf2): Likewise.
2166         (fix_truncsfsi2, fix_truncdfsi2): Likewise.
2167         (arm_movdi, thumb1_movdi_insn): Likewise.
2168         (arm_cmpdi_insn): Likewise.
2169         (cirrus_cmpsf, cirrus_cmpdf, cirrus_cmpdi): Likewise.
2170         (cirrus.md): Don't include.
2171         * cirrus.md: Delete file.
2172         * t-arm (MD_INCLUDES): Remove cirrus.md.
2174 2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
2176         * dwarf2out.c (function_possibly_abstracted_p): New static function.
2177         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
2178         cgraph_function_possibly_inlined_p.
2179         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
2180         (process_scope_var): Do not emit concrete instances of abstracted
2181         nested functions from here.
2182         (gen_decl_die): Emit the abstract instance if the function is possibly
2183         abstracted and not only possibly inlined.
2184         (dwarf2out_finish): Find the first non-abstract parent instance and
2185         attach concrete instances on the limbo list to it.
2187 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
2189         * arm.md (divsf3, divdf3): Remove FPA support.
2190         (negsf2, negdf2): Likewise.
2191         (sqrtsf2, sqrtdf2): Likewise.
2192         (movdfcc): Likewise.
2193         (modsf3, moddf3, movxf): Delete.
2194         (push_fp_multi): Delete.
2195         (fpa.md): Don't include it.
2196         * fpa.md: Delete file.
2197         * t-arm (MD_INCLUDES): Remove fpa.md.
2199 2012-06-14  Bill Schmidt  <wschmidt@linux.ibm.com>
2201         * tree-vectorizer.h (vect_get_stmt_cost): Move from tree-vect-stmts.c.
2202         (cost_for_stmt): Remove decl.
2203         (vect_get_single_scalar_iteration_cost): Correct typo in name.
2204         * tree-vect-loop.c (vect_get_cost): Remove.
2205         (vect_get_single_scalar_iteration_cost): Correct typo in name; use
2206         vect_get_stmt_cost rather than vect_get_cost.
2207         (vect_get_known_peeling_cost): Use vect_get_stmt_cost rather than
2208         vect_get_cost.
2209         (vect_estimate_min_profitable_iters): Correct typo in call to
2210         vect_get_single_scalar_iteration_cost; use vect_get_stmt_cost rather
2211         than vect_get_cost.
2212         (vect_model_reduction_cost): Use vect_get_stmt_cost rather than
2213         vect_get_cost.
2214         (vect_model_induction_cost): Likewise.
2215         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Correct
2216         typo in call to vect_get_single_scalar_iteration_cost.
2217         * tree-vect-stmts.c (vect_get_stmt_cost): Move to tree-vectorizer.h.
2218         (cost_for_stmt): Remove unnecessary function.
2219         * Makefile.in (TREE_VECTORIZER_H): Update dependencies.
2221 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
2223         * arm.opt (mfp=2, mfp=3, mfpe, mfpe=2, mfpe=3): Delete options.
2224         * arm-fpus.def (fpa, fpe2, fpe3, maverick): Delete FPU types.
2225         * arm-tables.opt: Regenerated.
2226         * doc/invoke.texi: Remove references to deleted options.
2228 2012-06-14  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
2230         * config/h8300/genmova.sh: Modified to add offset bits of
2231         mova/Sz assembly instruction for memory access.
2232         * config/h8300/h8300.c: Likewise.
2233         * config/h8300/mova.md: Likewise.
2235 2012-06-12  Christian Bruel  <christian.bruel@st.com>
2237         PR target/53621
2238         * config/sh/sh.c (sh_option_override): Don't force
2239          flag_omit_frame_pointer and maccumulate_outgoing_args.
2240         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
2242 2012-06-14  Richard Guenther  <rguenther@suse.de>
2244         * tree-vrp.c (VR_INITIALIZER): New define.
2245         (ranges_from_anti_range): New function.
2246         (extract_range_from_binary_expr_1): Decompose operations on
2247         VR_ANTI_RANGEs to operations on VR_RANGE.
2248         (extract_range_from_unary_expr_1): Likewise.
2249         (extract_range_from_binary_expr_1, extract_range_from_binary_expr,
2250         extract_range_from_unary_expr_1, extract_range_from_unary_expr,
2251         extract_range_from_cond_expr, adjust_range_with_scev,
2252         vrp_visit_assignment_or_call, vrp_visit_phi_node,
2253         simplify_bit_ops_using_ranges): Use VR_INITIALIZER.
2255 2012-06-13  Richard Henderson  <rth@redhat.com>
2257         * hwint.h (HOST_WIDEST_INT_C): New.
2258         (HOST_WIDE_INT_C): New.
2259         (HOST_WIDE_INT_1): Use it.
2260         * config/alpha/alpha.c (alpha_trampoline_init): Use it.
2262 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2264         PR debug/49888
2265         * var-tracking.c: Include alias.h.
2266         (overlapping_mems): New struct.
2267         (drop_overlapping_mem_locs): New.
2268         (clobber_overlapping_mems): New.
2269         (var_mem_delete_and_set, var_mem_delete): Call it.
2270         (val_bind): Likewise, but only if modified.
2271         (compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
2272         * Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
2274 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2276         PR debug/47624
2277         * var-tracking.c (loc_exp_dep_pool): New.
2278         (vt_emit_notes): Create and release the pool.
2279         (compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
2280         (emit_notes_in_bb): Likewise.
2281         (loc_exp_dep_insert): Deal with NOT_ONEPART vars.
2282         (notify_dependents_of_changed_value): Likewise.
2283         (notify_dependents_of_resolved_value): Check that NOT_ONEPART
2284         variables don't have a VAR_LOC_DEP_LST.
2285         (emit_note_insn_var_location): Expand NOT_ONEPART locs that are
2286         VALUEs or MEMs of VALUEs.
2288 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2290         PR debug/52983
2291         PR debug/48866
2292         * dce.c (word_dce_process_block): Insert debug temps only if the
2293         insn is not marked.
2294         (dce_process_block): Likewise, and if debug.used is not empty,
2295         and only after iterating over all DEFs that might mark the insn.
2297 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2299         * common.opt (ftree-coalesce-inlined-vars): New.
2300         (ftree-coalesce-vars): New.
2301         * doc/invoke.texi: Document them.
2302         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2303         Implement them.
2305 2012-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
2307         * read-rtl.c (mapping): Remove index field.  Add current_value field.
2308         Define heap vectors.
2309         (iterator_group): Fix long line.  Remove num_builtins field and
2310         uses_iterator fields.  Make apply_iterator take a void * parameter.
2311         (iterator_use, atttribute_use): New structures.
2312         (iterator_traverse_data, BELLWETHER_CODE, bellwether_codes): Delete.
2313         (current_iterators, iterator_uses, attribute_uses): New variables.
2314         (uses_mode_iterator_p, uses_code_iterator_p): Delete.
2315         (apply_mode_iterator, apply_code_iterator): Take a void * parameter.
2316         (map_attr_string, apply_iterator_to_string): Remove iterator
2317         and value parameters.  Look through all current iterator values
2318         for a matching attribute.
2319         (mode_attr_index, apply_mode_maps): Delete.
2320         (apply_iterator_to_rtx): Replace with...
2321         (copy_rtx_for_iterators): ...this new function.
2322         (uses_iterator_p, apply_iterator_traverse): Delete.
2323         (apply_attribute_uses, add_current_iterators, apply_iterators): New
2324         functions.
2325         (add_mapping): Remove index field.  Set current_value field.
2326         (initialize_iterators): Don't set num_builtins and uses_iterator_p
2327         fields.
2328         (find_iterator): Delete.
2329         (record_iterator_use, record_attribute_use): New functions.
2330         (record_potential_iterator_use): New function.
2331         (check_code_iterator): Remove handling of bellwether codes.
2332         (read_rtx): Remove mode maps.  Truncate iterator and attribute uses.
2333         (read_rtx_code, read_nested_rtx, read_rtx_variadic): Remove mode_maps
2334         parameter.  Use the first code iterator value instead of the
2335         bellwether_codes array.  Use record_potential_iterator_use for modes.
2337 2012-06-13  Oleg Endo  <olegendo@gcc.gnu.org>
2339         PR target/53568
2340         * config/sh/sh.md (bswapsi2): New expander.
2341         (swapbsi2): New insn.
2343 2012-06-13  H.J. Lu  <hongjiu.lu@intel.com>
2345         PR target/53647
2346         * config/i386/i386.c (ix86_tune_cost): New variable.
2347         (ix86_option_override_internal): Set ix86_tune_cost.  Use
2348         ix86_tune_cost for simultaneous_prefetches, prefetch_block,
2349         l1_cache_size and l2_cache_size.
2351 2012-06-13  Richard Guenther  <rguenther@suse.de>
2353         * tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
2354         Handle meeting two VR_RANGE to an VR_ANTI_RANGE.  Implement
2355         all possible meetings of VR_RANGE with VR_ANTI_RANGE and
2356         VR_ANTI_RANGE with VR_ANTI_RANGE.
2358 2012-06-13  Richard Earnshaw  <rearnsha@arm.com>
2360         * config.gcc (unsupported): Move obsoleted FPA-based configurations
2361         here from ...
2362         (obsolete): ... here.
2363         (arm*-*-freebsd*): Remove.
2364         (arm*-*-linux*): Only accept EABI variants.  Simplify logic.
2365         (arm*-*-uclinux*): Likewise.
2366         (arm*-*-ecos-elf): Remove.
2367         (arm*-*-rtems*): Remove.
2368         (arm*-*-elf): Remove.
2369         (arm*-wince-pe*): Remove.
2370         (arm, --with-fpu): Remove support for fpa and Maverick variants.
2371         * arm/ecos-elf.h: Delete.
2372         * arm/t-strongarm-elf: Delete.
2373         * arm/rtems-elf.h: Delete.
2374         * arm/wince-pe.h: Delete.
2375         * arm/pe.c: Delete.
2376         * arm/pe.h: Delete.
2377         * arm/t-wince-pe: Delete.
2379 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
2381         PR tree-optimization/53647
2382         * tree-ssa-phiopt.c (gate_hoist_loads): Skip transformation for
2383         targets with no defined cache line size.
2385 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
2387         * targhooks.c (default_builtin_vectorized_conversion): Handle
2388         vec_construct, using vectype to base cost on subparts.
2389         * target.h (enum vect_cost_for_stmt): Add vec_construct.
2390         * tree-vect-stmts.c (vect_model_load_cost): Use vec_construct
2391         instead of scalar_to-vec.
2392         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2393         vec_construct in same way as default for now.
2394         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2395         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
2396         Handle vec_construct, including special case for 32-bit loads.
2398 2012-06-13  Xinyu Qi <xyqi@marvell.com>
2400         * config/arm/arm.c (FL_IWMMXT2): New define.
2401         (arm_arch_iwmmxt2): New variable.
2402         (arm_option_override): Enable use of iWMMXt with VFP.
2403         Disable use of iWMMXt with NEON. Disable use of iWMMXt under
2404         Thumb mode. Set arm_arch_iwmmxt2.
2405         (arm_expand_binop_builtin): Accept VOIDmode op.
2406         (enum arm_builtins): Revise built-in fcode.
2407         (IWMMXT2_BUILTIN): New define.
2408         (IWMMXT2_BUILTIN2): Likewise.
2409         (iwmmx2_mbuiltin): Likewise.
2410         (builtin_description bdesc_2arg): Revise built in declaration.
2411         (builtin_description bdesc_1arg): Likewise.
2412         (arm_init_iwmmxt_builtins): Revise built in initialization.
2413         (arm_expand_builtin): Revise built in expansion.
2414         (arm_output_iwmmxt_shift_immediate): New function.
2415         (arm_output_iwmmxt_tinsr): Likewise.
2416         * config/arm/arm-protos.h (arm_output_iwmmxt_shift_immediate): Declare.
2417         (arm_output_iwmmxt_tinsr): Likewise.
2418         * config/arm/iwmmxt.md (WCGR0, WCGR1, WCGR2, WCGR3): New constant.
2419         (iwmmxt_psadbw, iwmmxt_walign, iwmmxt_tmrc, iwmmxt_tmcr): Delete.
2420         (rorv4hi3, rorv2si3, rordi3): Likewise.
2421         (rorv4hi3_di, rorv2si3_di, rordi3_di): Likewise.
2422         (ashrv4hi3_di, ashrv2si3_di, ashrdi3_di): Likewise.
2423         (lshrv4hi3_di, lshrv2si3_di, lshrdi3_di): Likewise.
2424         (ashlv4hi3_di, ashlv2si3_di, ashldi3_di): Likewise.
2425         (iwmmxt_tbcstqi, iwmmxt_tbcsthi, iwmmxt_tbcstsi): Likewise
2426         (*iwmmxt_clrv8qi, *iwmmxt_clrv4hi, *iwmmxt_clrv2si): Likewise.
2427         (tbcstv8qi, tbcstv4hi, tbsctv2si): New pattern.
2428         (iwmmxt_clrv8qi, iwmmxt_clrv4hi, iwmmxt_clrv2si): Likewise.
2429         (*and<mode>3_iwmmxt, *ior<mode>3_iwmmxt, *xor<mode>3_iwmmxt): Likewise.
2430         (ror<mode>3, ror<mode>3_di): Likewise.
2431         (ashr<mode>3_di, lshr<mode>3_di, ashl<mode>3_di): Likewise.
2432         (ashli<mode>3_iwmmxt, iwmmxt_waligni, iwmmxt_walignr): Likewise.
2433         (iwmmxt_walignr0, iwmmxt_walignr1): Likewise.
2434         (iwmmxt_walignr2, iwmmxt_walignr3): Likewise.
2435         (iwmmxt_setwcgr0, iwmmxt_setwcgr1): Likewise.
2436         (iwmmxt_setwcgr2, iwmmxt_setwcgr3): Likewise.
2437         (iwmmxt_getwcgr0, iwmmxt_getwcgr1): Likewise.
2438         (iwmmxt_getwcgr2, iwmmxt_getwcgr3): Likewise.
2439         (All instruction patterns): Add wtype attribute.
2440         (*iwmmxt_arm_movdi, *iwmmxt_movsi_insn): iWMMXt coexist with vfp.
2441         (iwmmxt_uavgrndv8qi3, iwmmxt_uavgrndv4hi3): Revise the pattern.
2442         (iwmmxt_uavgv8qi3, iwmmxt_uavgv4hi3): Likewise.
2443         (ashr<mode>3_iwmmxt, ashl<mode>3_iwmmxt, lshr<mode>3_iwmmxt): Likewise.
2444         (iwmmxt_tinsrb, iwmmxt_tinsrh, iwmmxt_tinsrw):Likewise.
2445         (eqv8qi3, eqv4hi3, eqv2si3, gtuv8qi3): Likewise.
2446         (gtuv4hi3, gtuv2si3, gtv8qi3, gtv4hi3, gtv2si3): Likewise.
2447         (iwmmxt_wunpckihh, iwmmxt_wunpckihw, iwmmxt_wunpckilh): Likewise.
2448         (iwmmxt_wunpckilw, iwmmxt_wunpckehub, iwmmxt_wunpckehuh): Likewise.
2449         (iwmmxt_wunpckehuw, iwmmxt_wunpckehsb, iwmmxt_wunpckehsh): Likewise.
2450         (iwmmxt_wunpckehsw, iwmmxt_wunpckelub, iwmmxt_wunpckeluh): Likewise.
2451         (iwmmxt_wunpckeluw, iwmmxt_wunpckelsb, iwmmxt_wunpckelsh): Likewise.
2452         (iwmmxt_wunpckelsw, iwmmxt_wmadds, iwmmxt_wmaddu): Likewise.
2453         (iwmmxt_wsadb, iwmmxt_wsadh, iwmmxt_wsadbz, iwmmxt_wsadhz): Likewise.
2454         (iwmmxt2.md): Include.
2455         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __IWMMXT2__.
2456         (TARGET_IWMMXT2): New define.
2457         (TARGET_REALLY_IWMMXT2): Likewise.
2458         (arm_arch_iwmmxt2): Declare.
2459         * config/arm/mmintrin.h: Use __IWMMXT__ to enable iWMMXt intrinsics.
2460         Use __IWMMXT2__ to enable iWMMXt2 intrinsics.
2461         Use C name-mangling for intrinsics.
2462         (__v8qi): Redefine.
2463         (_mm_cvtsi32_si64, _mm_andnot_si64, _mm_sad_pu8): Revise.
2464         (_mm_sad_pu16, _mm_align_si64, _mm_setwcx, _mm_getwcx): Likewise.
2465         (_m_from_int): Likewise.
2466         (_mm_sada_pu8, _mm_sada_pu16): New intrinsic.
2467         (_mm_alignr0_si64, _mm_alignr1_si64, _mm_alignr2_si64): Likewise.
2468         (_mm_alignr3_si64, _mm_tandcb, _mm_tandch, _mm_tandcw): Likewise.
2469         (_mm_textrcb, _mm_textrch, _mm_textrcw, _mm_torcb): Likewise.
2470         (_mm_torch, _mm_torcw, _mm_tbcst_pi8, _mm_tbcst_pi16): Likewise.
2471         (_mm_tbcst_pi32): Likewise.
2472         (_mm_abs_pi8, _mm_abs_pi16, _mm_abs_pi32): New iWMMXt2 intrinsic.
2473         (_mm_addsubhx_pi16, _mm_absdiff_pu8, _mm_absdiff_pu16): Likewise.
2474         (_mm_absdiff_pu32, _mm_addc_pu16, _mm_addc_pu32): Likewise.
2475         (_mm_avg4_pu8, _mm_avg4r_pu8, _mm_maddx_pi16, _mm_maddx_pu16): Likewise.
2476         (_mm_msub_pi16, _mm_msub_pu16, _mm_mulhi_pi32): Likewise.
2477         (_mm_mulhi_pu32, _mm_mulhir_pi16, _mm_mulhir_pi32): Likewise.
2478         (_mm_mulhir_pu16, _mm_mulhir_pu32, _mm_mullo_pi32): Likewise.
2479         (_mm_qmulm_pi16, _mm_qmulm_pi32, _mm_qmulmr_pi16): Likewise.
2480         (_mm_qmulmr_pi32, _mm_subaddhx_pi16, _mm_addbhusl_pu8): Likewise.
2481         (_mm_addbhusm_pu8, _mm_qmiabb_pi32, _mm_qmiabbn_pi32): Likewise.
2482         (_mm_qmiabt_pi32, _mm_qmiabtn_pi32, _mm_qmiatb_pi32): Likewise.
2483         (_mm_qmiatbn_pi32, _mm_qmiatt_pi32, _mm_qmiattn_pi32): Likewise.
2484         (_mm_wmiabb_si64, _mm_wmiabbn_si64, _mm_wmiabt_si64): Likewise.
2485         (_mm_wmiabtn_si64, _mm_wmiatb_si64, _mm_wmiatbn_si64): Likewise.
2486         (_mm_wmiatt_si64, _mm_wmiattn_si64, _mm_wmiawbb_si64): Likewise.
2487         (_mm_wmiawbbn_si64, _mm_wmiawbt_si64, _mm_wmiawbtn_si64): Likewise.
2488         (_mm_wmiawtb_si64, _mm_wmiawtbn_si64, _mm_wmiawtt_si64): Likewise.
2489         (_mm_wmiawttn_si64, _mm_merge_si64): Likewise.
2490         (_mm_torvscb, _mm_torvsch, _mm_torvscw): Likewise.
2491         (_m_to_int): New define.
2492         * config/arm/arm-cores.def (iwmmxt2): Add FL_IWMMXT2.
2493         * config/arm/arm-arches.def (iwmmxt2): Likewise.
2494         * config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md and
2495         iwmmxt2.md.
2496         * config/arm/arm.md (marvell-f-iwmmxt.md): Include.
2497         (arch): Add "iwmmxt2".
2498         (arch_enabled): Handle "iwmmxt2".
2499         (wtype): New attribute.
2500         (UNSPEC_WMADDS, UNSPEC_WMADDU): Delete.
2501         (UNSPEC_WALIGNI): New unspec.
2502         * config/arm/predicates.md (imm_or_reg_operand): New predicate.
2503         * config/arm/iterators.md (VMMX2): New mode_iterator.
2504         * config/arm/marvell-f-iwmmxt.md: New file.
2505         * config/arm/iwmmxt2.md: New file.
2507 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
2509         PR c/53532
2510         PR c/51034
2511         PR c/53196
2512         * c-decl.c (build_compound_literal): Call c_incomplete_type_error
2513         if type isn't complete.
2515 2012-06-12  Uros Bizjak  <ubizjak@gmail.com>
2517         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
2519 2012-06-12  Richard Henderson  <rth@redhat.com>
2521         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
2522         iterator instead of INT.
2524 2012-06-12  Bill Schmidt  <wschmidt@linux.ibm.com>
2526         * opts.c: Add -fhoist-adjacent-loads to -O2 and above.
2527         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward
2528         declaration.
2529         (hoist_adjacent_loads, gate_hoist_loads): New forward declarations.
2530         (tree_ssa_phiopt): Call gate_hoist_loads.
2531         (tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call.
2532         (tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call
2533         hoist_adjacent_loads.
2534         (local_mem_dependence): New function.
2535         (hoist_adjacent_loads): Likewise.
2536         (gate_hoist_loads): Likewise.
2537         * common.opt (fhoist-adjacent-loads): New switch.
2538         * Makefile.in (tree-ssa-phiopt.o): Added dependencies.
2540 2012-06-12  Michael Matz  <matz@suse.de>
2542         * alias.c (nonoverlapping_component_refs_p): Take two rtx arguments.
2543         (nonoverlapping_memrefs_p): Don't call it here ...
2544         (true_dependence_1): ... but here.
2546 2012-06-12  Richard Guenther  <rguenther@suse.de>
2548         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove dead code.
2549         * alias.c (ao_ref_from_mem): MEM_EXPR is conservative, MEM_OFFSET
2550         and MEM_SIZE only refines it.  Reflect that and be less conservative
2551         if either of the latter is not known.
2553 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
2555         PR rtl-optimization/53589
2556         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
2557         discovery even when e->dest != target.  If any LABEL_REF points
2558         to e->dest label, redirect it to target's label.
2560 2012-06-12  Chung-Lin Tang  <cltang@codesourcery.com>
2562         * config/sh/sh.c (output_stack_adjust): Remove !epilogue_p
2563         condition for generating REG_FRAME_RELATED_EXPR note.
2564         (pop): Add code for generating REG_CFA_RESTORE,
2565         REG_CFA_ADJUST_CFA notes. Set RTX_FRAME_RELATED_P to 1.
2566         (sh_expand_epilogue): Use frame_insn() for FP to SP move.
2567         Set 'frame_p' of calls to output_stack_adjust() to 'true'.
2569 2012-06-11  Richard Henderson  <rth@redhat.com>
2571         * config/alpha/alpha.c (HWI_HEX2): Add missing shift.
2572         * vmsdbgout.c (VMS_EPOCH_OFFSET): Add LL suffix.
2574         * config/alpha/alpha.c (alpha_trampoline_init): Split large constants.
2576 2012-06-12  Hans-Peter Nilsson  <hp@axis.com>
2578         * doc/tm.texi.in (Addressing Modes) <TARGET_LEGITIMIZE_ADDRESS>:
2579         Mention that this hook needs to be defined for native TLS.
2580         * doc/tm.texi: Regenerate.
2582 2012-06-11  Mike Stump  <mikestump@comcast.net>
2584         * emit-rtl.c (init_emit_once): Iterate through the
2585         MODE_PARTIAL_INT modes with MIN_MODE_PARTIAL_INT and
2586         MAX_MODE_PARTIAL_INT, as GET_MODE_WIDER_MODE doesn't step through
2587         all the MIN_MODE_PARTIAL_INT modes anymore.
2589 2012-06-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
2591         * gcc/config/mips/mips-tables.opt (xlp): Fix merge typo.
2593 2012-06-11  Roland McGrath  <mcgrathr@google.com>
2595         * dwarf2out.c (const_ok_for_output_1): Detect a TLS UNSPEC using
2596         SYMBOL_REF_TLS_MODEL rather than DECL_THREAD_LOCAL_P, in case it's
2597         not a VAR_DECL.  Also don't limit it to UNSPECs with exactly one
2598         operand.
2600 2012-06-11  Oleg Endo  <olegendo@gcc.gnu.org>
2602         PR target/53511
2603         * config/sh/sh.md (fmasf4): New expander.
2604         (*macsf3): Rename to fmasf4_i.  Adapt to fma pattern.
2605         (mac_media): Rename to fmasf4_media.  Adapt to fma pattern.
2606         * config/sh/sh.opt (mfused-madd): Remove.
2607         * config/sh/sh.c (sh_option_override): Remove mfused-madd handling.
2608         (builtin_description bdesc): Remove __builtin_sh_media_FMAC_S.
2609         * config.gcc (sh[123456789lbe]*-*-* | sh-*-*): Add fused-madd.opt
2610         as extra options.
2611         * doc/invoke.texi (SH Options): Update mfused-madd and mno-fused-madd
2612         descriptions.
2614 2012-06-11  Richard Henderson  <rth@redhat.com>
2616         * dwarf2cfi.c (scan_trace): Handle annulled branch-taken delay slots.
2618 2012-06-11  Richard Guenther  <rguenther@suse.de>
2620         PR middle-end/53470
2621         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
2622         replace it with the first non-BLOCK context.
2624 2012-06-11  Richard Guenther  <rguenther@suse.de>
2626         * alias.c (aliases_everything_p): Remove.
2627         (DIFFERENT_ALIAS_SETS_P): Likewise.
2628         (true_dependence_1): Use mems_in_disjoint_alias_sets_p directly.
2629         Do not use aliases_everything_p or special-case ANDs.  Do not
2630         special-case BLKmode moves.
2631         (may_alias_p): Likewise.  Handle BLKmode similar like everywhere
2632         - for SCATCH only.
2634 2012-06-09  Hans-Peter Nilsson  <hp@axis.com>
2636         Fix CRIS build errors with --enable-build-with-cxx.
2637         * config/cris/cris.c (cris_emit_trap_for_misalignment): Rename
2638         variable "and" to "andop".
2639         * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>"): Use
2640         temporary variable for memory model, passing C++-type-correct
2641         parameter type to expand_mem_thread_fence.
2642         ("atomic_compare_and_swap<mode>"): Ditto.
2644 2012-06-09  Richard Henderson  <rth@redhat.com>
2646         PR c++/53602
2647         * cfgcleanup.c (execute_jump): Rename from rest_of_handle_jump2.
2648         (pass_jump): Rename from pass_jump2.
2649         (execute_jump2, pass_jump2): New.
2650         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Don't
2651         perform cfg cleanup here.  Move the test of PUSH_ROUNDING
2652         and ACCUMULATE_OUTGOING_ARGS test...
2653         (gate_handle_stack_adjustments): ... here.
2654         * passes.c (init_optimization_passes): Update for pass_jump2 rename.
2655         Place new pass_jump2 after pass_stack_adjustments.
2656         * tree-pass.h (pass_jump): Declare.
2658 2012-06-09  Kenneth Zadeck <zadeck@naturalbridge.com>
2660         * simplify-rtx.c (simplify_const_binary_operation): Fixed shift
2661         count trucation.
2663 2012-06-08  Richard Henderson  <rth@redhat.com>
2665         PR c++/53602
2666         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
2667         note to a clobber insn when no other insn is available.
2669 2012-06-08  Georg-Johann Lay  <avr@gjlay.de>
2671         * config/avr/avr.c (avr_case_values_threshold): Return 7.
2673 2012-06-07  Andreas Schwab  <schwab@linux-m68k.org>
2675         * genhooks.c (main): Set progname.
2676         (emit_documentation): Remove variable found_start, always bail out
2677         when a place is missing.
2678         * doc/tm.texi.in (C++ ABI): Add @hook TARGET_CXX_DECL_MANGLING_CONTEXT.
2680 2012-06-07  Jakub Jelinek  <jakub@redhat.com>
2682         PR middle-end/53580
2683         * omp-low.c (scan_omp): Change first argument to gimple_seq *,
2684         call walk_gimple_seq_mod instead of walk_gimple_seq.
2685         (scan_sharing_clauses, scan_omp_parallel, scan_omp_task,
2686         scan_omp_for, scan_omp_sections, scan_omp_single,
2687         execute_lower_omp): Adjust callers.
2688         (scan_omp_1_stmt): Likewise.  If check_omp_nesting_restrictions
2689         returns false, replace stmt with GIMPLE_NOP.
2690         (check_omp_nesting_restrictions): Instead of issuing warnings,
2691         issue errors and return false if any errors were reported.
2693 2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>
2695         * doc/invoke.texi (fconserve-space): Remove documentation.
2697 2012-06-06  Edmar Wienskoski  <edmar@freescale.com>
2699         * config/rs6000/rs6000-tables.opt: Regenerated.
2701 2012-06-06  Richard Guenther  <rguenther@suse.de>
2703         PR tree-optimization/53081
2704         * tree-data-ref.h (adjacent_store_dr_p): Rename to ...
2705         (adjacent_dr_p): ... this and make it work for reads, too.
2706         * tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMCPY.
2707         (struct partition_s): Change main_stmt to main_dr, add
2708         secondary_dr member.
2709         (build_size_arg_loc): Change to date data-reference and not
2710         gimplify here.
2711         (build_addr_arg_loc): New function split out from ...
2712         (generate_memset_builtin): ... here.  Use it and simplify.
2713         (generate_memcpy_builtin): New function.
2714         (generate_code_for_partition): Adjust.
2715         (classify_partition): Streamline pattern detection.  Detect memcpy.
2716         (ldist_gen): Adjust.
2717         (tree_loop_distribution): Adjust seed statements for memcpy
2718         recognition.
2720 2012-06-06  Matt Turner  <mattst88@gmail.com>
2722         * config/arm/mmintrin.h (_mm_empty): New.
2723         (_m_empty): New.
2725 2012-06-06  Richard Sandiford  <r.sandiford@uk.ibm.com>
2727         * doc/invoke.texi (sched-pressure-algorithm): Document new --param.
2728         * common.opt (fsched-pressure-algorithm=): Remove.
2729         * flag-types.h (sched_pressure_algorithm): Move to...
2730         * sched-int.h (sched_pressure_algorithm): ...here.
2731         * params.def (sched-pressure-algorithm): New param.
2732         * haifa-sched.c (sched_init): Use it to initialize sched_pressure.
2733         * common/config/s390/s390-common.c (s390_option_optimization_table):
2734         Remove OPT_fsched_pressure_algorithm_ entry.
2735         * config/s390/s390.c (s390_option_override): Set a default value for
2736         PARAM_SCHED_PRESSURE_ALGORITHM.
2738 2012-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
2740         PR target/53487
2741         * config/rs6000/rs6000.c (rs6000_generate_compare): If we are
2742         doing an unsigned compare, make sure the second argument is not a
2743         negative constant.
2744         (rs6000_emit_cmove): Don't allow floating point comparisons when
2745         generating ISEL moves.
2747 2012-06-05  Edmar Wienskoski  <edmar@freescale.com>
2749         * config/rs6000/e5500.md: New file.
2750         * config/rs6000/e6500.md: New file.
2751         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2752         e5500 and e6500.
2753         (rs6000_option_override_internal): Altivec and Spe options not
2754         allowed with e5500. Spe options not allowed with e6500. Increase
2755         move inline limit for e5500 and e6500. Disable string instructions
2756         for e5500 and e6500. Enable branch targets alignment for e5500 and
2757         e6500. Initialize rs6000_cost for e5500 and e6500.
2758         (rs6000_adjust_cost): Add extra scheduling cycles between compare
2759         and brnach for e5500 and e6500.
2760         (rs6000_issue_rate): Set issue rate for e5500 and e6500.
2761         * config/rs6000/rs6000-cpus.def: Add cpu definitions for e5500 and
2762         e6500.
2763         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add e5500 and e6500.
2764         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce5500 and
2765         ppce6500.
2766         Include e5500.md and e6500.md.
2767         * config/rs6000/rs6000-opt.h (processor_type): Add
2768         PROCESSOR_PPCE5500 and PROCESSOR_PPCE6500.
2769         * config.gcc (cpu_is_64bit): Add new cores e5500, e6500.
2770         (powerpc*-*-*): Add new cores e5500, e6500.
2771         * doc/invoke.texi: (item -mcpu): Add e5500 and e6500 to list of cpus.
2773 2012-06-05  Richard Guenther  <rguenther@suse.de>
2775         * tree-vect-data-refs.c (vect_analyze_data_refs): Fix last change.
2777 2012-06-05  H.J. Lu  <hongjiu.lu@intel.com>
2779         PR target/53575
2780         * config.gcc: Select x32 run-time library if --with-abi={x32|mx32}
2781         is used for x86_64-*-*.
2783 2012-06-05  Richard Guenther  <rguenther@suse.de>
2785         PR tree-optimization/30442
2786         * tree-vect-data-refs.c (vect_analyze_data_refs): For basic-block
2787         vectorization stop analysis at the first stmt we cannot compute
2788         a data-reference for instead of giving up completely.
2790 2012-06-05  Richard Guenther  <rguenther@suse.de>
2792         * tree-loop-distribution.c (struct partition_s): Add has_writes member.
2793         (partition_alloc): Initialize it.
2794         (partition_has_writes): New function.
2795         (rdg_flag_uses): Adjust.
2796         (rdg_flag_vertex): Likewise.
2797         (rdg_flag_vertex_and_dependent): Likewise.
2798         (rdg_flag_loop_exits): Likewise.
2799         (build_rdg_partition_for_component): Likewise.
2800         (rdg_build_partitions): Likewise.
2802 2012-06-05  Richard Guenther  <rguenther@suse.de>
2804         PR tree-optimization/53081
2805         * tree-loop-distribution.c (generate_memset_builtin): Handle all
2806         kinds of byte-sized stores.
2807         (classify_partition): Likewise.
2808         (tree_loop_distribution): Adjust seed statements used for
2809         !flag_tree_loop_distribution.
2811 2012-06-05  Alan Modra  <amodra@gmail.com>
2813         * config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
2814         (rs6000_emit_prologue): Ensure register used for inline saves
2815         of vector regs is not the static chain register.  Revise comment.
2817 2012-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2819         * doc/md.texi (Standard Pattern Names For Generation): Document
2820         sincos pattern.
2822 2012-06-04  H.J. Lu  <hongjiu.lu@intel.com>
2824         PR bootstrap/53555
2825         * config/i386/i386.c (ix86_sched_reorder) Skip debug insns.
2827 2012-06-04  Jason Merrill  <jason@redhat.com>
2829         * dwarf2out.c (is_unit_die): New.
2830         (copy_declaration_context, copy_ancestor_tree): Use it.
2831         (copy_decls_walk): Likewise.
2833 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
2835         PR c++/53524
2836         * doc/invoke.texi (Wenum-compare): Update documentation.
2838 2012-06-04  Dodji Seketeli  <dodji@redhat.com>
2840         PR preprocessor/53463
2841         * parser.c (cp_parser_assignment_expression): Use the location
2842         for the '=' as the default location for the expression.
2844 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
2846         PR target/53559
2847         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
2848         operands.
2849         (altivec_stvlxl): Ditto.
2850         (altivec_stvrx): Ditto.
2851         (altivec_stvrxl): Ditto.
2853 2012-06-04  Vladimir Makarov  <vmakarov@redhat.com>
2855         * ira-int.h (struct target_ira_int): Add member x_ira_uniform_class_p.
2856         (ira_uniform_class_p): New macro.
2858         * ira.c (setup_uniform_class_p): New function.
2859         (setup_allocno_and_important_classes): Call the function.
2860         (print_unform_and_important_classes): New function.
2861         (print_classes): Rename to print_translated_classes.
2862         (ira_debug_allocno_classes): Add call of
2863         print_unform_and_important_classes.
2865         * ira-costs.c (setup_regno_cost_classes_by_aclass): Use uniform
2866         classes instead of pressure classes.
2868 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
2870         PR middle-end/47530
2871         * trans-mem.c (expand_block_edges): Do not skip the first
2872         statement when resetting the BB.
2874 2012-06-04  Richard Guenther  <rguenther@suse.de>
2876         * tree-data-ref.c (stores_from_loop): Remove.
2877         (stmt_with_adjacent_zero_store_dr_p): Likewise.
2878         (stores_zero_from_loop): Likewise.
2879         * tree-data-ref.h (stores_from_loop, stores_zero_from_loop,
2880         stmt_with_adjacent_zero_store_dr_p, stride_of_unit_type_p): Remove.
2881         (adjacent_store_dr_p): New function.
2882         * tree-loop-distribution.c (generate_memset_builtin): Pass
2883         the RDG, use the already available data-reference.
2884         (generate_code_for_partition): Pass down RDG.
2885         (classify_partition): Inline parts of the former
2886         stmt_with_adjacent_zero_store_dr_p here and use adjacent_store_dr_p.
2887         (ldist_gen): Remember if there was any detected builtin and
2888         do less work if not and flag_tree_loop_distribution is not set.
2889         (tree_loop_distribution): Inline and fuse stores_from_loop
2890         and stores_zero_from_loop here.
2892 2012-06-04  Richard Guenther  <rguenther@suse.de>
2894         PR middle-end/53471
2895         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
2896         create new assembler names.
2898 2012-06-04  Richard Guenther  <rguenther@suse.de>
2900         * tree-data-ref.c (struct rdg_vertex_info): Remove.
2901         (rdg_vertex_for_stmt): Simplify using gimple_uid.
2902         (create_rdg_vertices): Pass loop argument, remove stmt to RDG index
2903         hashtable.  Record stmt data-references.
2904         (hash_stmt_vertex_info): Remove.
2905         (eq_stmt_vertex_info): Likewise.
2906         (hash_stmt_vertex_del): Likewise.
2907         (build_empty_rdg): Simplify.
2908         (build_rdg): Adjust.
2909         (free_rdg): Likewise.
2910         (ref_base_address): Remove.
2911         (have_similar_memory_accesses): Likewise.
2912         * tree-data-ref.h (create_rdg_vertices): Remove.
2913         (struct rdg_vertex): Add datarefs member.
2914         (RDGV_DATAREFS): New define.
2915         (RDG_DATAREFS): Likewise.
2916         (have_similar_memory_accesses): Remove.
2917         (rdg_has_similar_memory_accesses): Likewise.
2918         * tree-loop-distribution.c (ref_base_address): Re-implement here.
2919         (similar_memory_accesses): Re-implement using existing data-references.
2920         (tree_loop_distribution): Initialize stmt uids for the stmt to
2921         RDG index mapping.
2922         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
2923         access stmt vinfo for stmts in loop.
2925 2012-06-04  Andreas Schwab  <schwab@linux-m68k.org>
2927         PR target/53461
2928         * config/m68k/m68k.md ("tablejump"): Fix check for
2929         CASE_VECTOR_PC_RELATIVE.
2931 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
2933         * output.h (merge_weak, assemble_alias,
2934         initializer_constant_valid_p,
2935         initializer_constant_valid_for_bitfield_p): Move protos from here...
2936         * tree.h: ... to here.
2937         * cgraphclones.c: Do not include output.h.
2938         * gimplify.c: Likewise.
2939         * reload.c: Likewise.
2940         * recog.c: Likewise.
2941         * tree-ssa-loop-ivopts.c: Likewise.
2942         * tree-switch-conversion.c: Likewise.
2943         * c-parser.c: Likewise.
2944         * c-typeck.c: Likewise.
2945         * Makefile.in: Fix dependencies.
2947 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
2949         PR target/46261
2950         * config/avr/avr-stdint.h: New file.
2951         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
2952         newlib-stdint.h
2954 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
2956         PR tree-optimization/53550
2957         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
2958         is POINTER_TYPE_P, use sizetype as step type instead of type.
2960 2012-06-04  Richard Guenther  <rguenther@suse.de>
2962         * tree-data-ref.c (have_similar_memory_accesses_1): Remove.
2963         (ref_base_address_1): Likewise.
2964         (remove_similar_memory_refs): Likewise.
2965         * tree-data-ref.h (remove_similar_memory_refs): Remove.
2966         * tree-loop-distribution.c (classify_partition): Do not classify
2967         as builtin if -ftree-loop-distribute-patterns is not enabled.
2968         (fuse_partitions_with_similar_memory_accesses): Inline ...
2969         (ldist_gen): ... here.  Fuse all non-builtin partitions if
2970         -ftree-loop-distribution is not enabled.  Properly return
2971         the number of created partitions.  Do not update SSA form here but ...
2972         (tree_loop_distribution): ... once here for the whole function.
2973         Only walk innermost loops, constrain loops we consider here
2974         further.  Do not call remove_similar_memory_refs.
2975         (distribute_loop): Do not check number of loop nodes here.
2977 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
2979         * Makefile.in (GIMPLE_H): Do not depend on TARGET_H.
2981 2012-06-03  Martin Jambor  <mjambor@suse.cz>
2983         * ipa-prop.h (ipa_get_jf_known_type_offset): New function.
2984         (ipa_get_jf_known_type_base_type): Likewise.
2985         (ipa_get_jf_known_type_component_type): Likewise.
2986         (ipa_get_jf_constant): Likewise.
2987         (ipa_get_jf_pass_through_formal_id): Likewise.
2988         (ipa_get_jf_pass_through_operation): Likewise.
2989         (ipa_get_jf_ancestor_offset): Likewise.
2990         (ipa_get_jf_ancestor_type): Likewise.
2991         (ipa_get_jf_ancestor_formal_id): Likewise.
2992         (ipa_get_jf_member_ptr_pfn): Likewise.
2993         * ipa-prop.c (ipa_set_jf_known_type): New function.
2994         (ipa_set_jf_constant): Likewise.
2995         (ipa_set_jf_simple_pass_through): Likewise.
2996         (ipa_set_jf_arith_pass_through): Likewise.
2997         (ipa_set_ancestor_jf): Likewise.
2998         (fill_member_ptr_cst_jump_function): Moved up and renamed to
2999         ipa_set_jf_member_ptr_cst.
3000         (detect_type_change_1): Use the new jump function creation functions.
3001         (compute_complex_assign_jump_func): Likewise.
3002         (compute_complex_ancestor_jump_func): Likewise.
3003         (compute_known_type_jump_func): Likewise.
3004         (compute_scalar_jump_functions): Likewise.
3005         (compute_pass_through_member_ptrs): Likewise.
3006         (determine_cst_member_ptr): Likewise.
3007         (combine_known_type_and_ancestor_jfs): Likewise.
3008         (try_make_edge_direct_simple_call): Likewise.
3009         (try_make_edge_direct_virtual_call): Likewise.
3010         (update_indirect_edges_after_inlining): Likewise.
3011         * ipa-cp.c (ipa_get_jf_pass_through_result): Use jump function
3012         access functions.  Incorporat NOP_EXPR and BINFO handling from its
3013         callers.
3014         (ipa_get_jf_ancestor_result): Likewise.  Incorporate handling BINFOs
3015         which was in its callers.
3016         (ipa_value_from_jfunc): Use jump function access functions.  Some
3017         functionality moved to functions above.
3018         (propagate_vals_accross_ancestor): Likewise.
3019         (propagate_vals_accross_pass_through): Use jump function access
3020         functions.
3021         (propagate_accross_jump_function): Likewise.
3022         * ipa-inline-analysis.c (remap_edge_change_prob): Use jump function
3023         access functions.
3024         (inline_merge_summary): Likewise.
3026 2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3028         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
3029         * config/pa/pa.c (pa_attr_length_millicode_call): Use
3030         MAX_PCREL17F_OFFSET instead of fixed offset.
3031         (pa_attr_length_call): Likewise.
3032         (pa_attr_length_indirect_call): Likewise.
3034 2012-06-03  Oleg Endo  <olegendo@gcc.gnu.org>
3036         PR target/53512
3037         * config/sh/sh.opt (mfsca, mfsrra): New options.
3038         * config/sh/sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA
3039         condition.
3040         (fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
3041         (sinssf2, cossf2): Fold expanders to ...
3042         (sincossf3): ... this new expander.  Use TARGET_FPU_ANY and
3043         TARGET_FSCA condition.
3044         * config/sh/sh.c (sh_option_override): Handle TARGET_FSRRA and
3045         TARGET_FSCA.
3046         * doc/invoke.texi (SH Options): Add descriptions for -mfsca,
3047         -mno-fsca, -mfsrra, -mno-fsrra.
3049 2012-06-03  Matt Turner  <mattst88@gmail.com>
3051         * config/mips/4600.md (r4700_imul_si): New.
3052         (r4700_imul_di): New.
3053         (r4700_fmul_single): New.
3054         (r4700_fmul_double): New.
3055         * config/mips/mips-cpus.def: Add r4700.
3056         * config/mips/mips.c: Likewise.
3057         * config/mips/mips.md: Likewise.
3058         * config/mips/mips-tables.opt: Regenerate.
3060 2012-06-02  Steven Bosscher  <steven@gcc.gnu.org>
3062         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Split out to
3063         new function sparc_initial_elimination_offset.
3064         * config/sparc/sparc.c (sparc_initial_elimination_offset): New
3065         function.
3066         * config/sparc/sparc-protos.h (sparc_initial_elimination_offset):
3067         Prototype it.
3069 2012-06-02  Kenneth Zadeck <zadeck@naturalbridge.com>
3071         * expmed.c (expand_mult, choose_multiplier): Change
3072         "2 * HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT".
3073         * expr.c (convert_modes): Likewise.
3074         * explow.c (plus_constant): Likewise.
3075         * fixed-value.c (fixed_saturate1, fixed_saturate2)
3076         (do_fixed_add, do_fixed_multiply, do_fixed_multiply)
3077         (do_fixed_multiply, do_fixed_multiply, do_fixed_divide)
3078         (do_fixed_divide, do_fixed_divide, do_fixed_divide)
3079         (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift)
3080         (do_fixed_shift, fixed_convert, fixed_convert)
3081         (fixed_convert_from_int, fixed_convert_from_int)
3082         (fixed_convert_from_real): Likewise.
3083         * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p)
3084         (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise.
3085         * varasm.c (output_constructor_bitfield): Likewise.
3086         * tree-vrp.c (register_edge_assert_for_2): Likewise.
3087         * double-int.c (rshift_double, lshift_double): Likewise.
3088         * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int):
3089         Likewise.
3090         * simplify-rtx.c (mode_signbit_p)
3091         (simplify_const_unary_operation, simplify_binary_operation_1)
3092         (simplify_immed_subreg): Likewise.
3093         * builtins.c (c_readstr, fold_builtin_bitop): Likewise.
3094         * tree-vect-generic.c (build_replicated_const): Likewise.
3095         * dbxout.c (stabstr_O): Likewise.
3096         * emit-rtl.c (immed_double_int_const, immed_double_const)
3097         (gen_lowpart_common, init_emit_once): Likewise.
3098         * tree.c (integer_pow2p, tree_log2, tree_floor_log2)
3099         (widest_int_cst_value, upper_bound_in_type): Likewise.
3100         * stor-layout.c (initialize_sizetypes, fixup_signed_type)
3101         (fixup_unsigned_type): Likewise.
3102         * real.c (real_to_integer2, real_from_integer): Likewise.
3103         * dwarf2out.c (size_of_loc_descr, size_of_die, output_die)
3104         (clz_loc_descriptor, mem_loc_descriptor): Likewise.
3106 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
3108         PR middle-end/53501
3109         * fold-const.c (fold_binary_loc): Refine previous change.
3111 2012-06-01  Olivier Hainque  <hainque@adacore.com>
3113         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Restore
3114         the "do {" part of the do-while(0) loop.
3116 2012-06-01  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
3118         * config/i386/i386.c (x86_sched_reorder): New function.
3119         Added new function x86_sched_reorder.
3121 2012-06-01  Richard Guenther  <rguenther@suse.de>
3123         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3124         Handle PHIs.
3125         (classify_partition): Likewise.
3127 2012-06-01  Richard Guenther  <rguenther@suse.de>
3129         * tree-loop-distribution.c (enum partition_kind): New enum.
3130         (struct partition_s): Add kind and main_stmt members.
3131         (partition_alloc): Initialize kind to PKIND_NORMAL.
3132         (partition_builtin_p): New function.
3133         (copy_loop_before): Remove failure path and assert instead.
3134         (generate_loops_for_partition): Likewise.
3135         (generate_memset_zero): Fold into ...
3136         (generate_memset_builtin): ... this.
3137         (classify_partition): New function with code from
3138         can_generate_builtin and generate_builtin.
3139         (generate_builtin): Remove.
3140         (can_generate_builtin): Likewise.
3141         (fuse_partitions_with_similar_memory_accesses): Call
3142         partition_builtin_p instead of can_generate_builtin.
3143         (rdg_build_partitions): Do not call
3144         fuse_partitions_with_similar_memory_accesses here...
3145         (ldist_gen): ... but here after classifying all partitions.
3146         Remove failure path of generate_code_for_partition.
3147         (generate_code_for_partition): Generate code according
3148         to partition classification.
3150 2012-06-01  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3151             Jonathan Wakely  <jwakely.gcc@gmail.com>
3153         PR c++/50134
3154         * doc/invoke.texi (Warning Options): Explain purpose and differences
3155         between -Wmissing-prototypes and -Wmissing-declarations.
3157 2012-06-01  Christian Bruel  <christian.bruel@st.com>
3159         * gcc.c (save_switch): Add user_p parameter.
3160         (read_specs): Likewise.
3161         (set_specs): Likewise.
3162         (validate_switches): Likewise.
3163         (validate_switches_from_spec): Likewise.
3164         (validate_all_switches): Pass on user_p parameter.
3165         (struct spec_list): Add user_p field.
3166         (struct switchstr): Add known field.
3167         (save_switch): Add known parameter.
3168         (INIT_STATIC_SPEC): Initialize user_p;
3169         (driver_unknown_option_callbac): call save_switch if
3170         OPT_SPECIAL_unknown.
3171         (driver_handle_option): Propagate OPT_specs.
3172         (do_spec_1): Set validated only if known.
3173         (check_live_switch): Likewise.
3174         (validate_switches): Set validated if known or user_spec.
3176 2012-06-01  Hans-Peter Nilsson  <hp@axis.com>
3178         Add CRIS atomic patterns for 1, 2, and 4 bytes.
3179         * config/cris/cris.c (cris_emit_trap_for_misalignment): New function.
3180         * config/cris/cris-protos.h: Declare it.
3181         * config/cris/cris.h [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]
3182         (TARGET_DEFAULT): Add alignment by 32.
3183         [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 10] (TARGET_DEFAULT): New
3184         case, as TARGET_CPU_DEFAULT == 0 but with alignment as for
3185         TARGET_CPU_DEFAULT == 32.
3186         (TARGET_TRAP_UNALIGNED_ATOMIC): New macro.
3187         * config/cris/cris.md: Include sync.md.  Avoid allocating specific
3188         numbers by replacing the define_constants for all UNSPECs with the
3189         equivalent define_c_enum construct.
3190         * config/cris/cris.opt (mtrap-unaligned-atomic): New option.
3191         * config/cris/sync.md: New file.
3193 2012-05-31  Matt Turner  <mattst88@gmail.com>
3195         * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul.
3196         (r4600_imul_di): New.
3197         (r4600_idiv_si): Rename from r4600_idiv.
3198         (r4600_idiv_di): New.
3200 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
3202         * output.h (__gcc_host_wide_int__): Move to hwint.h.
3203         (decl_default_tls_model): Move to tree.h
3204         (dump_file): Move to system.h.
3205         (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor,
3206         dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline,
3207         dbxout_begin_empty_stabs, dbxout_begin_simple_stabs,
3208         dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero,
3209         dbxout_stab_value_zero, dbxout_stab_value_label_diff,
3210         dbxout_stab_value_internal_label,
3211         dbxout_stab_value_internal_label_diff): Move from here ...
3212         * dbxout.h: ... to here.
3213         * system.h (dump_file): Moved here from output.h.
3214         * hwint.h (__gcc_host_wide_int__): Moved here from output.h.
3215         * tree.h (decl_default_tls_model): Moved here from output.h.
3216         * varasm.c (default_stabs_asm_out_destructor,
3217         default_stabs_asm_out_constructor): Move from here ...
3218         * dbxout.c: ... to here.
3220         * gcov-dump.c (dump_file): Rename to dump_gcov_file.  Update callers.
3222         * collect2.h (dump_file): Rename to dump_ld_file.
3223         * collect2.c: Likewise.
3224         * tlink.c: Likewise.
3226         * alias.c: Do not include output.h.
3227         * auto-inc-dec.c: Likewise.
3228         * bt-load.c: Likewise.
3229         * caller-save.c: Likewise.
3230         * cfg.c: Likewise.
3231         * cfgbuild.c: Likewise.
3232         * cfgcleanup.c: Likewise.
3233         * cfglayout.c: Likewise.
3234         * cfgloop.c: Likewise.
3235         * cfgloopanal.c: Likewise.
3236         * cfgloopmanip.c: Likewise.
3237         * cfgrtl.c: Likewise.
3238         * cgraph.c: Likewise.
3239         * cgraphclones.c: Likewise.
3240         * combine-stack-adj.c: Likewise.
3241         * combine.c: Likewise.
3242         * cprop.c: Likewise.
3243         * cse.c: Likewise.
3244         * cselib.c: Likewise.
3245         * dbgcnt.c: Likewise.
3246         * df-problems.c: Likewise.
3247         * df-scan.c: Likewise.
3248         * dojump.c: Likewise.
3249         * fwprop.c: Likewise.
3250         * gcse.c: Likewise.
3251         * graph.c: Likewise.
3252         * haifa-sched.c: Likewise.
3253         * hw-doloop.c: Likewise.
3254         * ipa-inline-transform.c: Likewise.
3255         * ipa-pure-const.c: Likewise.
3256         * ipa-reference.c: Likewise.
3257         * ipa-utils.c: Likewise.
3258         * ira-build.c: Likewise.
3259         * ira-emit.c: Likewise.
3260         * lcm.c: Likewise.
3261         * loop-doloop.c: Likewise.
3262         * loop-invariant.c: Likewise.
3263         * loop-iv.c: Likewise.
3264         * loop-unroll.c: Likewise.
3265         * loop-unswitch.c: Likewise.
3266         * lto-cgraph.c: Likewise.
3267         * lto-section-in.c: Likewise.
3268         * lto-streamer-in.c: Likewise.
3269         * mcf.c: Likewise.
3270         * mode-switching.c: Likewise.
3271         * postreload-gcse.c: Likewise.
3272         * postreload.c: Likewise.
3273         * predict.c: Likewise.
3274         * profile.c: Likewise.
3275         * ree.c: Likewise.
3276         * reg-stack.c: Likewise.
3277         * regcprop.c: Likewise.
3278         * regmove.c: Likewise.
3279         * regstat.c: Likewise.
3280         * reload1.c: Likewise.
3281         * sched-ebb.c: Likewise.
3282         * sel-sched-dump.c: Likewise.
3283         * simplify-rtx.c: Likewise.
3284         * stor-layout.c: Likewise.
3285         * store-motion.c: Likewise.
3286         * tracer.c: Likewise.
3287         * tree-affine.c: Likewise.
3288         * tree-cfg.c: Likewise.
3289         * tree-cfgcleanup.c: Likewise.
3290         * tree-dfa.c: Likewise.
3291         * tree-into-ssa.c: Likewise.
3292         * tree-nomudflap.c: Likewise.
3293         * tree-optimize.c: Likewise.
3294         * tree-pretty-print.c: Likewise.
3295         * tree-profile.c: Likewise.
3296         * tree-ssa-address.c: Likewise.
3297         * tree-ssa-ccp.c: Likewise.
3298         * tree-ssa-copy.c: Likewise.
3299         * tree-ssa-dom.c: Likewise.
3300         * tree-ssa-loop-ch.c: Likewise.
3301         * tree-ssa-loop-im.c: Likewise.
3302         * tree-ssa-loop-manip.c: Likewise.
3303         * tree-ssa-loop-niter.c: Likewise.
3304         * tree-ssa-loop-prefetch.c: Likewise.
3305         * tree-ssa-loop-unswitch.c: Likewise.
3306         * tree-ssa-loop.c: Likewise.
3307         * tree-ssa-propagate.c: Likewise.
3308         * tree-ssa-structalias.c: Likewise.
3309         * tree-ssa-tail-merge.c: Likewise.
3310         * tree-ssa-threadedge.c: Likewise.
3311         * tree-ssa-threadupdate.c: Likewise.
3312         * tree-ssa-uncprop.c: Likewise.
3313         * tree-ssa-uninit.c: Likewise.
3314         * tree-ssa.c: Likewise.
3315         * value-prof.c: Likewise.
3316         * var-tracking.c: Likewise.
3317         * web.c: Likewise.
3319         * config/m32r/m32r.c: Include dbxout.h.
3320         * config/pa/pa.c: Likewise.
3321         * config/rs6000/rs6000.c: Likewise.
3323         * Makefile.in: Fix dependencies.
3324         * config/rs6000/t-rs5000: Likewise.
3326 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
3328         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
3329         * gimple.h (block_in_transaction): Check for flag_tm.
3331 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
3333         PR tree-optimization/52558
3334         * cfg.c (alloc_aux_for_edge): Fix comment.
3335         (alloc_aux_for_edge): Remove static.
3336         * basic-block.h (alloc_aux_for_edge): Protoize.
3337         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
3338         (execute_sm_if_changed_flag): New.
3339         (execute_sm_if_changed_flag_set): New.
3340         (execute_sm): Do not generate data races unless requested.
3341         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
3342         (tree_ssa_lim_finalize): Call free_aux_for_edges.
3343         * gimple.h (block_in_transaction): New.
3344         (gimple_in_transaction): Use block_in_transaction.
3346 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3348         PR target/51345
3349         * config/avr/avr.opt (-msp8): Document it.
3350         * doc/invoke.texi (AVR Options): Ditto.  And document related
3351         built-in macros.
3353 2012-05-31  Diego Novillo  <dnovillo@google.com>
3355         * configure.ac (CXX_FOR_BUILD): Define and substitute.
3356         (BUILD_CXXFLAGS): Define and substitute.
3357         * Makefile.in (BUILD_CXXFLAGS): Define.
3358         (CXX_FOR_BUILD): Define.
3359         (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
3360         (LINKER_FOR_BUILD): Likewise.
3361         (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
3362         (BUILD_LINKERFLAGS): Likewise.
3363         * configure: Regenerate.
3365 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
3367         * Makefile.in: Fix many dependencies.
3368         * tree-profile.c: Don't include regs.h.
3369         * tree-vectorizer.c: Don't include cfglayout.h.
3370         * tree-vect-stmts.c: Likewise.
3371         * tree-vect-slp.c: Likewise.
3372         * tree-vect-loop.c: Likewise.
3373         * reg-stack.c: Likewise.
3374         * tree-ssa-loop-manip.c: Likewise.
3375         * toplev.c: Likewise.
3376         * varasm.c: Don't include cfglayout.h, basic-block.h,
3377         and tree-iterator.h.
3378         * tree-cfgcleanup.c: Don't include cfglayout.h.
3379         * passes.c: Don't include cfglayout.h, dwarf2asm.h,
3380         dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
3381         * cgraphclones.c: Don't include plugin.h.
3383 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3385         * config/avr/t-avr: Correct avr-mmcu.texi dependencies.
3386         (s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
3387         * doc/avr-mmcu.texi (svn:eol-style): Set to native.
3389 2012-05-31  Richard Guenther  <rguenther@suse.de>
3391         * tree-loop-distribution.c (struct partition_s): New struct,
3392         typedef and vector type.
3393         (partition_alloc, partition_free): New functions.
3394         (generate_loops_for_partition, generate_builtin,
3395         generate_code_for_partition, rdg_flag_uses, rdg_flag_vertex,
3396         rdg_flag_vertex_and_dependent, rdg_flag_loop_exits,
3397         build_rdg_partition_for_component, can_generate_builtin,
3398         similar_memory_accesses, fuse_partitions_with_similar_memory_accesses,
3399         rdg_build_partitions, dump_rdg_partitions, debug_rdg_partitions,
3400         number_of_rw_in_partition, partition_contains_all_rw,
3401         ldist_gen): Use partition_t instead of bitmap.
3403 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3405         * config/avr/gen-avr-mmcu-texi.c: Sort MCUs.
3406         * doc/avr-mmcu.texi: Regenerate.
3408 2012-05-31  Richard Guenther  <rguenther@suse.de>
3410         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3411         Use FOR_EACH_SSA_DEF_OPERAND.
3412         (generate_builtin): Adjust.
3413         (stmt_generated_in_another_partition): Remove.
3414         (add_scalar_computations_to_partition): Likewise.
3415         (rdg_build_partitions): Do not call
3416         add_scalar_computations_to_partition.
3418 2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>
3420         * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
3421         double ints throughout.
3422         * tree-sra.c (build_user_friendly_ref_for_offset) <RECORD_TYPE>:
3423         Check that the position of the field is representable as an integer.
3425 2012-05-31  Richard Guenther  <rguenther@suse.de>
3427         * tree-data-ref.c (dr_analyze_innermost): Properly convert
3428         the MEM_REF offset to sizetype.
3430 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3432         * doc/invoke.texi (AVR Options): Fix typos.
3434 2012-05-31  Hans-Peter Nilsson  <hp@axis.com>
3436         * config/cris/cris.h (CC1_SPEC): Pass through all -march=
3437         and -mcpu= options.
3438         (ASM_SPEC): Ditto, not just -march=v32, but translate non-v10,
3439         non-v32 into --march=v0_v10.
3441 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3443         * ira-int.h (target_ira_int): Rename x_move_cost to
3444         x_ira_register_move_cost, x_may_move_in_cost to
3445         x_ira_may_move_in_cost and x_may_move_out_cost to
3446         x_ira_may_move_out_cost.  Delete the old fields with
3447         those names and also x_ira_max_register_move_cost,
3448         x_ira_max_may_move_in_cost and x_ira_max_may_move_out_cost.
3449         (move_cost, may_move_in_cost, may_move_out_cost)
3450         (ira_max_register_move_cost, ira_max_may_move_in_cost)
3451         (ira_max_may_move_out_cost): Delete.
3452         * ira.c (init_move_cost): Rename to...
3453         (ira_init_register_move_cost): ...this, deleting the old
3454         function with that name.  Apply above variable renamings.
3455         Retain asserts for null fields.
3456         (ira_init_once): Don't initialize register move costs here.
3457         (free_register_move_costs): Apply above variable renamings.
3458         Remove code for deleted fields.
3460 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3462         * ira.c (init_move_cost): Adjust choice of subclasses to match
3463         the current ira_init_register_move_cost choice.  Use
3464         ira_class_subset_p instead of reg_class_subset_p.
3465         (ira_init_register_move_cost): Assert that move_cost,
3466         may_move_in_cost and may_move_out_cost already hold the desired
3467         values for their ira_* equivalents.  For the latter two,
3468         ignore classes that can't store a register of the given mode.
3470 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3472         * ira.c (setup_allocno_and_important_classes): Use
3473         ira_class_hard_regs_num to check whether a class has any
3474         allocatable registers.
3475         (ira_init_register_move_cost): Likewise.
3477 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3479         * ira.c (init_move_cost): Adjust local variable names to match
3480         file conventions.  Use ira_assert instead of gcc_assert.
3482 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3484         * regs.h (move_table, move_cost, may_move_in_cost, may_move_out_cost):
3485         Move these definitions and associated target_globals fields to...
3486         * ira-int.h: ...here.
3487         * rtl.h (init_move_cost): Delete.
3488         * reginfo.c (last_mode_for_init_move_cost, init_move_cost): Move to...
3489         * ira.c: ...here, making the latter static.
3491 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3493         * ira-costs.c (copy_cost): Use ira_init_register_move_cost_if_necessary
3494         and ira_register_move_cost instead of init_move_cost and move_cost.
3496 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3498         * ira.h (target_ira): Delete x_ira_available_class_regs.
3499         (ira_available_class_regs): Delete.
3500         * ira.c (setup_available_class_regs): Delete.
3501         (setup_alloc_classes): Don't call it.
3502         (setup_pressure_classes): Use ira_class_hard_regs_num instead of
3503         ira_available_class_regs.
3504         * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info)
3505         (model_spill_cost): Likewise.
3506         * ira-build.c (low_pressure_loop_node_p): Likewise.
3507         * ira-color.c (color_pass): Likewise.
3508         * ira-emit.c (change_loop): Likewise.
3509         * ira-lives.c (inc_register_pressure, dec_register_pressure)
3510         (single_reg_class, ira_implicitly_set_insn_hard_regs)
3511         (process_bb_node_lives): Likewise.
3512         * loop-invariant.c (gain_for_invariant): Likewise.
3514 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3516         PR target/52999
3517         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
3518         (pa_section_type_flags): New.
3519         (pa_legitimate_constant_p): Revert previous change.
3521 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
3523         * ira.c (allocate_initial_values): Make static.
3525 2012-05-30  Uros Bizjak  <ubizjak@gmail.com>
3527         * config/i386/i386.c (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>:
3528         Generate tls_initial_exec_64_sun only when !TARGET_X32.
3530 2012-05-30  Richard Guenther  <rguenther@suse.de>
3532         PR middle-end/53501
3533         * fold-const.c (fold_binary_loc): Make sure to call
3534         fold_plusminus_mult_expr with the original sign of operands.
3536 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
3538         * Makefile.in: Fix many dependencies.
3539         (DWARF2_H): Depend on dwarf2.def.
3540         (RTL_ERROR_H): Depend on rtl-error.h.
3541         (TREE_PRETTY_PRINT_H, GIMPLE_PRETTY_PRINT_H): New.  Replace
3542         all gimple-pretty-print.h and tree-pretty-print.h references.
3544 2012-05-30  Marc Glisse  <marc.glisse@inria.fr>
3546         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
3547         concatenations.
3549 2012-05-30  Richard Guenther  <rguenther@suse.de>
3551         PR middle-end/53522
3552         * tree-emutls.c (gen_emutls_addr): Do not add globals to
3553         referenced-vars.
3555 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3557         * explow.c (probe_stack_range): Restore simple control flow and stop
3558         again when the probe cannot be generated if HAVE_check_stack.
3560 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
3562         PR rtl-optimization/53519
3563         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
3564         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
3566 2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3568         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
3570 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
3572         PR debug/53453
3573         * doc/tm.texi: Update.
3574         * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
3575         * target.def (force_at_comp_dir): New hook.
3576         * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
3577         * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
3579 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
3581         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
3582         Darwin >= 10.
3583         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
3584         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
3586 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
3588         PR target/51340
3589         * config/sh/sh.c (sh_option_override): Set TARGET_FMAC if
3590         flag_unsafe_math_optimizations is set.
3591         * doc/invoke.texi (SH Options): Add -mno-fused-madd description.
3592         Update description of -mfused-madd.
3594 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
3596         PR target/52941
3597         * config/sh/predicates.md (atomic_arith_operand,
3598         atomic_logical_operand): New predicates.
3599         * config/sh/sh.c (sh_option_override): Check atomic options.
3600         * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
3601         UNSUPPORTED_HARD_ATOMIC_CPU): New macros.
3602         (DRIVER_SELF_SPECS): Use UNSUPPORTED_ATOMIC_OPTIONS and
3603         UNSUPPORTED_HARD_ATOMIC_CPU.
3604         * config/sh/sync.md: Update description comments.
3605         (I12): New mode iterator.
3606         (fetchop_predicate, fetchop_constraint): New code attributes.
3607         (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
3608         atomic_exchangesi_hard, atomic_exchange<mode>_hard,
3609         atomic_fetch_<fetchop_name>si_hard,
3610         atomic_fetch_<fetchop_name><mode>_hard,
3611         atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
3612         atomic_<fetchop_name>_fetchsi_hard,
3613         atomic_<fetchop_name>_fetch<mode>_hard,
3614         atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
3615         atomic_test_and_set_hard): New insns.
3616         (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
3617         atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
3618         atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
3619         atomic_test_and_set_soft): Use same formatting for the first line of
3620         the asm block as in new insns above.
3621         (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
3622         atomic_fetch_<fetchop_name><mode>, atomic_<fetchop_name>_fetch<mode>,
3623         atomic_test_and_set): Integrate new *_hard insns into expanders.
3624         * config/sh/sh.opt (mhard-atomic): New option.
3625         * doc/invoke.texi (SH Options): Document it.
3627 2012-05-29  Meador Inge  <meadori@codesourcery.com>
3629         * c-decl.c (c_push_function_context): Always create a new language
3630         function.
3631         (c_pop_function_context): Clear the language function created in
3632         c_push_function_context.
3634 2012-05-29  Matt Turner  <mattst88@gmail.com>
3636         * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
3637         (define_bypass "ev6_fcmov"): New.
3639 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
3641         * integrate.c: Remove.
3642         * integrate.h: Remove.
3643         * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
3644         * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
3645         * config/rs6000/t-rs6000: Likewise
3646         * config/spu/t-spu-elf: Likewise.
3647         * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
3648         get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
3649         from integrate.h to here.
3650         (initial_value_entry): New prototype.
3651         * reload.h (allocate_initial_values): Remove prototype.
3652         * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
3653         * cse.c (fixed_base_plus_p): Don't handle virtual registers for
3654         integrate.c.
3655         * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
3656         set_decl_abstract_flags, set_block_abstract_flags): Move from
3657         integrate.c to here, the only user.
3658         * expmed.c (extract_fixed_bit_field): Remove outdated comment
3659         about integrate.c.
3660         * function.c: Don't include integrate.h.
3661         (struct initial_value_pair, struct initial_value_struct,
3662         get_hard_reg_initial_val, has_hard_reg_initial_val,
3663         get_hard_reg_initial_reg, emit_initial_value_sets): Move from
3664         integrate.c to here.
3665         (initial_value_entry): New function.
3666         * genemit.c (main): Don't print integrate.h include line.
3667         * ira.c: Don't include integrate.h.
3668         (allocate_initial_values): Move from integrate.c to here.
3669         (ira): Update allocate_initial_values call.
3670         * tree-inline.c: Don't include integrate.h.
3671         (function_attribute_inlinable_p): Moved from integrate.c to here.
3672         * cfgexpand.c: Don't include integrate.h.
3673         * except.c: Likewise.
3674         * langhooks.c: Likewise.
3675         * passes.c: Likewise.
3676         * toplev.c: Likewise.
3677         * config/frv/frv.c: Likewise.
3678         * config/pa/pa.c: Likewise.
3679         * config/spu/spu.c: Likewise.
3680         * config/epiphany/epiphany.c: Likewise.
3681         * config/mep/mep.c: Likewise.
3682         * config/score/score.c: Likewise.
3683         * config/picochip/picochip.c: Likewise.
3684         * config/sh/sh.c: Likewise.
3685         * config/alpha/alpha.c: Likewise.
3686         * config/microblaze/microblaze.c: Likewise.
3687         * config/mips/mips.c: Likewise.
3688         * config/v850/v850.c: Likewise.
3689         * config/mmix/mmix.c: Likewise.
3690         * config/bfin/bfin.c: Likewise.
3691         * config/arm/arm.c: Likewise.
3692         * config/s390/s390.c: Likewise.
3693         * config/m32r/m32r.c: Likewise.
3694         * config/rs6000/rs6000.c: Likewise.
3695         * config/c6x/c6x.c: Include function.h instead of integrate.h.
3696         * config/tilegx/tilegx.c: Likewise.
3697         * config/tilepro/tilepro.c: Likewise.
3699 2012-05-29  Georg-Johann Lay  <avr@gjlay.de>
3701         * config/avr/t-avr (s-avr-mmcu-texi): Call
3702         gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
3704 2012-05-29  Michael Matz  <matz@suse.de>
3706         * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
3707         assign_temp): Remove 'keep' argument.
3708         (mark_temp_addr_taken): Remove prototype.
3709         * tree.h (expand_decl): Remove prototype.
3710         * function.c (struct temp_slot): Remove addr_taken and keep member.
3711         (assign_stack_temp_for_type) Don't initialize above, remove
3712         keep argument.
3713         (assign_stack_temp, assign_temp): Remove keep argument.
3714         (mark_temp_addr_taken): Remove.
3715         (preserve_temp_slots): Remove handling of addr_taken and keep members.
3716         (free_temp_slots): Ditto.
3717         * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
3718         dead code.
3719         * stmt.c (expand_asm_operands): Remove dead code.
3720         (expand_decl): Remove.
3721         * c-decl.c (finish_struct): Don't call expand_decl.
3722         * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
3723         and assign_stack_temp.
3724         * calls.c (save_fixed_argument_area, initialize_argument_information,
3725         expand_call, emit_library_call_value_1, store_one_arg): Ditto.
3726         * expmed.c (extract_bit_field_1): Ditto.
3727         * expr.c (emit_group_load_1, emit_group_store,
3728         copy_blkmode_from_reg, emit_push_insn, expand_assignment,
3729         store_field, expand_constructor, expand_cond_expr_using_cmove,
3730         expand_expr_real_2, expand_expr_real_1): Ditto.
3731         * stmt.c (expand_asm_operands, expand_return): Ditto.
3733         * function.c (pop_temp_slots): Call free_temp_slots.
3734         * calls.c (store_one_arg): Don't call preserve_temp_slots or
3735         free_temp_slots.
3736         * expr.c (expand_assignment): Don't call free_temp_slots.
3738         * config/arm/arm.c (neon_expand_vector_init): Ditto.
3739         * config/i386/i386.c (ix86_expand_vector_set): Ditto.
3740         (ix86_expand_vector_extract): Ditto.
3741         * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
3742         ia64_expand_movxf_movrf): Ditto.
3743         * config/mips/mips.c (mips_expand_vi_general): Ditto.
3744         * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
3745         extendsfdf2): Ditto.
3746         * config/rs6000/rs6000.c (rs6000_expand_vector_init,
3747         rs6000_expand_vector_set, rs6000_expand_vector_extract,
3748         rs6000_allocate_stack_temp): Ditto.
3749         * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
3750         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
3751         sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
3752         sparc_expand_vector_init): Ditto.
3754 2012-05-29  Michael Matz  <matz@suse.de>
3756         * c-tree.h (c_expand_decl): Remove prototype.
3758         * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
3759         a kept temp.
3760         (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
3761         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
3762         COMPOUND_LITERAL_EXPR.
3763         * function.c (expand_function_start): Don't call expand_decl,
3764         instead assert that we have RTL assigned.
3765         * tree-ssa-live.c (remove_unused_locals): Clear
3766         nonlocal_goto_save_area if its backing variable is removed.
3767         * stmt.c (expand_asm_operands): Remove handling of non-lvalues
3768         as mem inputs.
3769         (expand_decl): Assert that this does nothing.
3770         * calls.c (expand_call): Don't call mark_temp_addr_taken.
3772 2012-05-29  Richard Guenther  <rguenther@suse.de>
3774         PR tree-optimization/53516
3775         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
3776         bitfield accesses.
3777         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
3779 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
3781         * LANGUAGES: Fix typos.
3782         * Makefile.in: Fix typos.
3783         * alias.c: Fix typos.
3784         * auto-inc-dec.c: Fix typos.
3785         * bb-reorder.c: Fix typos.
3786         * cfgcleanup.c: Fix typos.
3787         * cgraph.c: Fix typos.
3788         * cgraph.h: Fix typos.
3789         * cgraphunit.c: Fix typos.
3790         * collect2-aix.h: Fix typos.
3791         * collect2.c: Fix typos.
3792         * compare-elim.c: Fix typos.
3793         * config/alpha/vms.h: Fix typos.
3794         * config/arm/README-interworking: Fix typos.
3795         * config/arm/arm.c: Fix typos.
3796         * config/arm/iterators.md: Fix typos.
3797         * config/arm/vxworks.h: Fix typos.
3798         * config/avr/avr.c: Fix typos.
3799         * config/avr/avr.h: Fix typos.
3800         * config/avr/avr.md: Fix typos.
3801         * config/avr/builtins.def: Fix typos.
3802         * config/c6x/c6x.c: Fix typos.
3803         * config/cr16/cr16.c: Fix typos.
3804         * config/cr16/cr16.md: Fix typos.
3805         * config/cris/cris.md: Fix typos.
3806         * config/darwin.c: Fix typos.
3807         * config/darwin.opt: Fix typos.
3808         * config/i386/i386-c.c: Fix typos.
3809         * config/i386/i386.c: Fix typos.
3810         * config/ia64/ia64.c: Fix typos.
3811         * config/m68k/cf.md: Fix typos.
3812         * config/mep/mep.c: Fix typos.
3813         * config/microblaze/microblaze.c: Fix typos.
3814         * config/microblaze/microblaze.h: Fix typos.
3815         * config/mn10300/mn10300.c: Fix typos.
3816         * config/mn10300/mn10300.md: Fix typos.
3817         * config/pa/pa.c: Fix typos.
3818         * config/picochip/picochip.h: Fix typos.
3819         * config/rs6000/a2.md: Fix typos.
3820         * config/rs6000/rs6000.c: Fix typos.
3821         * config/rs6000/vector.md: Fix typos.
3822         * config/rx/rx.md: Fix typos.
3823         * config/rx/rx.opt: Fix typos.
3824         * config/s390/2097.md: Fix typos.
3825         * config/s390/s390.c: Fix typos.
3826         * config/s390/s390.h: Fix typos.
3827         * config/sh/sh.c: Fix typos.
3828         * config/sh/sh.md: Fix typos.
3829         * config/sparc/sync.md: Fix typos.
3830         * config/spu/spu.c: Fix typos.
3831         * config/spu/spu.md: Fix typos.
3832         * config/vms/vms.c: Fix typos.
3833         * config/vxworks-dummy.h: Fix typos.
3834         * config/vxworks.h: Fix typos.
3835         * cselib.c: Fix typos.
3836         * df-scan.c: Fix typos.
3837         * df.h: Fix typos.
3838         * doc/extend.texi: Fix typos.
3839         * doc/install.texi: Fix typos.
3840         * doc/invoke.texi: Fix typos.
3841         * doc/md.texi: Fix typos.
3842         * doc/plugins.texi: Fix typos.
3843         * doc/rtl.texi: Fix typos.
3844         * dse.c: Fix typos.
3845         * dwarf2asm.c: Fix typos.
3846         * dwarf2out.c: Fix typos.
3847         * except.h: Fix typos.
3848         * expr.c: Fix typos.
3849         * fold-const.c: Fix typos.
3850         * gcc.c: Fix typos.
3851         * gcse.c: Fix typos.
3852         * genautomata.c: Fix typos.
3853         * gengtype-state.c: Fix typos.
3854         * gengtype.c: Fix typos.
3855         * genhooks.c: Fix typos.
3856         * gimple-fold.c: Fix typos.
3857         * gimple-pretty-print.c: Fix typos.
3858         * gimple.c: Fix typos.
3859         * gimple.h: Fix typos.
3860         * gimplify.c: Fix typos.
3861         * graphite-interchange.c: Fix typos.
3862         * graphite-sese-to-poly.c: Fix typos.
3863         * ifcvt.c: Fix typos.
3864         * input.c: Fix typos.
3865         * ipa-cp.c: Fix typos.
3866         * ipa-inline-analysis.c: Fix typos.
3867         * ipa-inline-transform.c: Fix typos.
3868         * ipa-inline.c: Fix typos.
3869         * ipa-pure-const.c: Fix typos.
3870         * ipa-ref.h: Fix typos.
3871         * ipa-reference.c: Fix typos.
3872         * ipa-utils.c: Fix typos.
3873         * ipa.c: Fix typos.
3874         * ira-emit.c: Fix typos.
3875         * ira-lives.c: Fix typos.
3876         * lto-streamer.c: Fix typos.
3877         * lto-streamer.h: Fix typos.
3878         * lto-wrapper.c: Fix typos.
3879         * mcf.c: Fix typos.
3880         * mode-switching.c: Fix typos.
3881         * modulo-sched.c: Fix typos.
3882         * plugin.c: Fix typos.
3883         * postreload.c: Fix typos.
3884         * sched-deps.c: Fix typos.
3885         * sel-sched-ir.c: Fix typos.
3886         * sel-sched-ir.h: Fix typos.
3887         * sel-sched.c: Fix typos.
3888         * sese.c: Fix typos.
3889         * stor-layout.c: Fix typos.
3890         * target-hooks-macros.h: Fix typos.
3891         * target.def: Fix typos.
3892         * trans-mem.c: Fix typos.
3893         * tree-eh.c: Fix typos.
3894         * tree-predcom.c: Fix typos.
3895         * tree-sra.c: Fix typos.
3896         * tree-ssa-address.c: Fix typos.
3897         * tree-ssa-loop-ivopts.c: Fix typos.
3898         * tree-ssa-loop-niter.c: Fix typos.
3899         * tree-ssa-math-opts.c: Fix typos.
3900         * tree-ssa-pre.c: Fix typos.
3901         * tree-ssa-propagate.c: Fix typos.
3902         * tree-ssa-reassoc.c: Fix typos.
3903         * tree-ssa-sccvn.c: Fix typos.
3904         * tree-ssa-ter.c: Fix typos.
3905         * tree-ssa-uninit.c: Fix typos.
3906         * tree-ssanames.c: Fix typos.
3907         * tree-vect-generic.c: Fix typos.
3908         * tree-vect-slp.c: Fix typos.
3909         * tree.c: Fix typos.
3910         * tree.h: Fix typos.
3911         * varasm.c: Fix typos.
3912         * varpool.c: Fix typos.
3914 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
3916         * doc/include/texinfo.tex: Update to version 2012-05-16.16.
3918 2012-05-29  Richard Guenther  <rguenther@suse.de>
3920         * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
3921         for globals.
3922         (add_referenced_var_1): Re-organize.  Assert we are not
3923         called for globals.
3924         (remove_referenced_var): Likewise.
3925         * varpool.c (add_new_static_var): Use create_tmp_var_raw.
3926         * tree-mudflap.c (execute_mudflap_function_ops): Do not
3927         call add_referenced_var on globals.
3928         * matrix-reorg.c (transform_access_sites): Likewise.
3930 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
3932         * alias.c (reg_known_value): Make this a VEC.
3933         (reg_known_equiv_p): Make this an sbitmap.
3934         (reg_known_value_size): Remove.
3935         (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
3936         set_reg_known_equiv_p): Update for reg_known_value and
3937         reg_known_value_size data structure change.
3938         (init_alias_analysis, end_alias_analysis): Likewise.
3940 2012-05-29  Jakub Jelinek  <jakub@redhat.com>
3942         PR middle-end/53510
3943         * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
3944         to avoid leaking memory.  No need to handle memory allocation
3945         failure.  Double string_len on each reallocation instead of adding 2.
3946         * gcov.c (read_line): Likewise.
3948 2012-05-29  Hans-Peter Nilsson  <hp@axis.com>
3950         * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
3951         New macros.
3952         * config/cris/cris.md ("trap"): Define, enabled for
3953         TARGET_TRAP_USING_BREAK8.
3954         * config/cris/cris.opt (mtrap-using-break8): New option.
3956 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
3958         PR c++/25137
3959         * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
3960         for C++.
3962 2012-05-28  Hans-Peter Nilsson  <hp@axis.com>
3964         * doc/md.texi (stack_protect_test): Remove negation of branch to label.
3965         (Standard Names): Fix typos in documentation of atomic patterns.
3967 2012-05-27  Nathan Sidwell  <nathan@acm.org>
3969         * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
3971 2012-05-26  Jason Merrill  <jason@redhat.com>
3973         PR c++/53220
3974         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
3975         about array compound literals.
3977 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
3979         * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
3980         if CLEANUP_NO_INSN_DEL.
3981         * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
3982         from cfg_layout_merge_blocks.
3983         (emit_nop_for_unique_locus_between): New function.
3984         (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
3985         (cfg_layout_merge_blocks): Likewise.
3987 2012-05-26  Dimitrios Apostolou  <jimis@gmx.net>
3988             Paolo Bonzini  <bonzini@gnu.org>
3990         * df-scan.c (df_def_record_1): Assert a parallel must contain an
3991         EXPR_LIST at this point.  Receive the LOC and move its extraction...
3992         (df_defs_record): ... here. Change if-else to a switch statement.
3993         (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
3994         (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
3995         and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
3996         DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
3997         regs_invalidated_by_call.
3998         (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
3999         df_get_call_refs().
4001 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
4003         PR lto/52178
4004         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
4005         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
4007 2012-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
4009         * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
4010         software floating point emulation.  No longer build the multilibs
4011         with -mstrict-align.
4013 2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
4015         PR middle-end/53008
4016         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
4017         accessed indirectly.
4018         (ipa_tm_create_version): Same.
4020 2012-05-25  Uros Bizjak  <ubizjak@gmail.com>
4022         PR target/53474
4023         * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
4024         <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
4026 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
4028         PR target/53435
4029         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
4030         (ix86_expand_vec_perm): Use int mode instead of float.
4031         (expand_vec_perm_pshufb): Remove handling of useseless type
4032         conversion.
4034 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
4036         PR ada/52362
4037         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
4038         gnu_ld variables to yes.
4039         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
4040         (HAVE_GNU_AS): Likewise.
4041         * config.in: Regenerate.
4042         * configure: Likewise.
4044 2012-05-25  Tristan Gingold  <gingold@adacore.com>
4046         * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
4047         (ix86_compute_frame_layout): Fix type of stack_alignment_needed
4048         and preferred_alignment.
4050 2012-05-25  Tristan Gingold  <gingold@adacore.com>
4052         * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
4054 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
4056         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
4057         volatile bitfields case.
4059 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
4061         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
4062         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
4063         (adjacent_mem_locations): Move some code to and call...
4064         (get_memref_parts): ...new function.
4065         (mem_locations_overlap): New function.
4066         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
4067         (is_mem_ref): Rename to...
4068         (find_mem_ref): ...this. Return MEM rtx.
4069         (get_store_dest): Remove function.
4070         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
4071         new parameter and adjust calls.
4072         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
4073         mem refs overlap for true_store_to_load_dep_costly.
4074         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
4075         passed to adjacent_mem_locations.
4076         (is_costly_group): Walk resolved dependency list.
4077         (force_new_group): Emit group ending nop for Power6/Power7.
4078         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
4079         (group_ending_nop): New define_insn.
4081 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
4083         Make unwound macro expansion trace less redundant
4084         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
4085         context of macro definition in the trace, when it's redundant.
4086         Update comments.
4088 2012-05-24  Richard Guenther  <rguenther@suse.de>
4090         PR middle-end/53460
4091         * tree-profile.c (tree_profiling): Cleanup the CFG if
4092         execute_fixup_cfg requests it.
4094 2012-05-24  Richard Guenther  <rguenther@suse.de>
4096         * tree-flow.h (create_var_ann): Remove.
4097         * tree-dfa.c (create_var_ann): Remove and inline into its
4098         single caller ...
4099         (add_referenced_var_1): ... here.
4100         * varpool.c (add_new_static_var): Do not call add_referenced_var
4101         for global vars.
4102         * gimple-fold.c (canonicalize_constructor_val): Likewise.
4103         * tree-switch-conversion.c (build_one_array): Likewise.
4104         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
4105         * tree-flow-inline.h (gimple_referenced_vars): Guard against
4106         NULL fn argument.
4107         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
4108         gimple_referenced_vars instead of gimple_in_ssa_p.
4109         (copy_tree_body_r): Likewise.
4110         (setup_one_parameter): Likewise.
4111         (declare_return_variable): Likewise.
4112         (tree_function_versioning): Likewise.
4114 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
4116         PR tree-optimization/53465
4117         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
4118         vr0 into *vr, then vrp_meet that.
4119         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
4120         have any equivalences.
4121         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
4122         first time.
4124 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
4126         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
4127         hard registers.
4128         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
4129         check end_regno - 1 is a hard register.
4131 2012-05-24  Richard Guenther  <rguenther@suse.de>
4133         * varpool.c (add_new_static_var): Remove call to create_var_ann.
4134         * tree-ssa-operands.c (create_vop_var): Likewise.
4136 2012-05-24  Richard Guenther  <rguenther@suse.de>
4138         PR bootstrap/53466
4139         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
4140         handle globals.
4141         (remove_unused_locals): Pass global_unused_vars to
4142         remove_unused_scope_block_p.  Restore code walking all
4143         referenced vars and pruning them.
4145 2012-05-23  Jan Hubicka  <jh@suse.cz>
4147         * tree.h (alias_diag_flags): Remove.
4148         (alias_pair): Remove emitted_diags.
4149         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
4150         symbol_alias_set_t, symbol_alias_set_destroy,
4151         symbol_alias_set_contains, propagate_aliases_backward): Remove.
4152         * toplev.c (compile_file): Do not call finish_aliases_2
4153         * cgraphunit.c (cgraph_process_new_functions): Do not call
4154         finish_aliases_1.
4155         (handle_alias_pairs): Output diagnostics about aliases to externals.
4156         (assemble_thunks_and_aliases): Use do_assemble_alias.
4157         (output_weakrefs): Likewise.
4158         (finalize_compilation_unit): Do not call finish_aliases_1.
4159         * ipa.c (symtab_remove_unreachable_nodes): De not call
4160         remove_unreachable_alias_pairs.
4161         * varasm.c (do_assemble_alias): Export.
4162         (symbol_alias_set_create, symbol_alias_set_destroy,
4163         symbol_alias_set_contains, symbol_alias_set_insert,
4164         propagate_aliases_forward, propagate_aliases_backward,
4165         propagate_aliases_backward, trivially_visible_alias,
4166         trivially_defined_alias, remove_unreachable_alias_pairs,
4167         finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
4168         * output.h (do_assemble_alias): Declare.
4169         * varpool.c (varpool_remove_unreferenced_decls): Do not call
4170         finish_aliases_1.
4172 2012-05-23  Martin Jambor  <mjambor@suse.cz>
4174         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
4176 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
4178         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
4179         size handling.
4180         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
4181         (iterative_hash_gimple_type): Adjust comment.
4182         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
4183         domain for an array type instead of the domain type itself.
4185 2012-05-23  Richard Guenther  <rguenther@suse.de>
4187         PR tree-optimization/53438
4188         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
4190 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
4192         PR target/53448
4193         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
4194         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
4195         ASM_OUTPUT_ALIGN.
4197 2012-05-23  Richard Guenther  <rguenther@suse.de>
4199         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
4200         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
4201         via the global_unused_vars bitmap.
4202         (remove_unused_locals): Handle global vars in local-decls via
4203         a global_unused_vars bitmap instead of the used flag in the
4204         var annotation.  Simplify global variable handling and removal.
4206 2012-05-22  Jan Hubicka  <jh@suse.cz>
4208         PR middle-end/53426
4209         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
4210         from other partitions.
4212 2012-05-22  Jan Hubicka  <jh@suse.cz>
4214         PR middle-end/53161
4215         * symtab.c (symtab_register_node): Fix ordering issue.
4217 2012-05-22  Steven Drake <sbd@NetBSD.org>
4219         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
4221 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
4223         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
4224         Use strip_name_encoding target hook.
4226 2012-05-22  Richard Guenther  <rguenther@suse.de>
4228         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
4229         (init_function_for_compilation): Remove.
4230         * tree-dfa.c (find_vars_r): Take struct function argument.
4231         (find_referenced_vars_in): Adjust.
4232         * tree-ssa-operands.c (clobber_stats): Remove.
4233         (create_vop_var): Take struct function argument.  Mark
4234         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
4235         (init_ssa_operands): Take struct function argument.
4236         (fini_ssa_operands): Do not dump dead stats.
4237         * tree-ssa-operands.h (init_ssa_operands): Take struct function
4238         argument.
4239         * cgraphunit.c (init_lowered_empty_function): Adjust.
4240         * lto-streamer-in.c (input_cfg): Likewise.
4241         * tree-inline.c (initialize_cfun): Likewise.
4242         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
4243         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching cfun.
4244         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
4245         virtual operands are not registers.
4247 2012-05-22  Richard Guenther  <rguenther@suse.de>
4249         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
4251 2012-05-22  Richard Guenther  <rguenther@suse.de>
4253         PR middle-end/53437
4254         * tree-inline.c (setup_one_parameter): Create a dummy init
4255         statement for unused parameters when not optimizing.
4257 2012-05-22  Richard Guenther  <rguenther@suse.de>
4259         * tree-flow.h (add_referenced_var_1): Declare.
4260         (add_referenced_var): Define.
4261         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
4262         (add_referenced_var): Rename to ...
4263         (add_referenced_var_1): ... this.  Take struct function argument.
4265 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4267         PR target/53334
4268         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
4269         * config/arm/arm.c (arm_validize_comparison): Define.
4270         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
4271         arm_validize_comparison.
4272         ("cbranchdi4"): Likewise.
4273         ("cstoredi4"): Likewise.
4274         ("movsicc"): Likewise.
4275         ("movsfcc"): Likewise.
4276         ("movdfcc"): Likewise.
4278 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
4280         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
4281         the mw_reg_pool size.
4283 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
4285         PR tree-optimization/53336
4286         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
4287         non-integer integral types to offset type and vice versa.
4289 2012-05-22  Alan Modra  <amodra@gmail.com>
4291         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
4292         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
4293         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
4294         V_SAVE_INLINE): Delete.
4295         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
4296         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
4297         For ELF targets, use out-of-line restores for -Os and any number
4298         of regs if the restore exits, and out-of-line gp save for two or
4299         more regs.  Use save_reg_p to test for holes in reg restore set.
4300         Replace "#if" with "if".
4302 2012-05-22  Alan Modra  <amodra@gmail.com>
4304         * config/rs6000/rs6000.c (save_reg_p): New function.
4305         (first_reg_to_save, first_fp_reg_to_save): Use it here.
4306         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
4307         (emit_frame_save): Use gen_frame_store.
4308         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
4309         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
4310         vrsave and toc.
4311         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
4312         vrsave, toc, gp and fp restores.
4314 2012-05-22  Alan Modra  <amodra@gmail.com>
4316         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
4317         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
4318         Move function pointer variables after forward declarations.
4319         (rs6000_builtin_support_vector_misalignment): Make static.
4320         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
4321         (rs6000_function_value, rs6000_can_eliminate): Likewise.
4323 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
4325         PR rtl-optimization/53373
4326         * caller-save.c (save_call_clobbered_regs): Look into a possible
4327         PARALLEL manually rather than using single_set on a call insn.
4329 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
4331         PR tree-optimization/53436
4332         * omp-low.c (omp_build_component_ref): New function.
4333         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
4335 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
4337         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
4338         arguments to bool.
4339         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
4340         Do not print '.' here.  Output operand lossage error for unhandled
4341         sizes.  Move.
4342         <case '*'>: Move.
4343         <case '&'>: Ditto.
4344         <case 'Y'>: Ditto.
4345         <case 'z'>: Hardcode "code" argument into error strings.
4346         <case 'Z'>: Ditto.
4347         <case 'D'>: Merge AVX and non-AVX codes.
4348         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
4349         Update call to put_condition_code.
4351 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
4353         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
4354         CC_STATUS_INIT.
4355         (clzsi2): New expander.
4356         (*clzsi2_68k): New insn.
4357         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
4359 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
4361         * gimple.h (gimple_set_in_transaction): Remove.
4362         (gimple_in_transaction): Look in BB instead.
4363         (gimple_statement_base): Remove in_transaction field.
4364         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
4365         * trans-mem.c (compute_transaction_bits): Place transaction bit
4366         information into basic blocks.
4368 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
4370         * expr.c (get_def_for_expr_class): Define only if
4371         HAVE_conditional_move.
4372         (convert_tree_comp_to_rtx): Likewise.
4374 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
4376         PR target/53399
4377         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
4378         for TARGET_BMI.
4379         (ffssi2_no_cmove): Ditto.
4380         (*ffs<mode>_1): Remove insn pattern.
4381         (*tzcnt<mode>_1): New insn pattern.
4382         (*bsf<mode>1): Ditto.
4384 2012-05-21  Richard Guenther  <rguenther@suse.de>
4386         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
4387         more referenced vars.
4388         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
4389         flag on variables that have a var-annotation.
4391 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
4393         PR c/53418
4394         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
4395         from folded operands before wrapping another around the
4396         conditional expression.
4398 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
4400         PR tree-optimization/53366
4401         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
4402         tests if complex_numbers == 2, but there are non-complex number loads
4403         too.
4405         PR tree-optimization/53409
4406         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
4407         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
4409         PR tree-optimization/53410
4410         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
4411         instead of build_int_cst (type, 0) where vector types might be
4412         involved. Instead of build_int_cst (type, 1) convert the original
4413         integer_onep argument to the desired type.
4415 2012-05-21  Michael Matz  <matz@suse.de>
4417         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
4418         (simplify_test_exp): Handle one more case of distributive law,
4419         decrease cost threshold.
4420         (tests_attr_p, get_attr_order): New functions.
4421         (optimize_attrs): Use topological order, inline only cheap values.
4422         (write_attr_set): Reset our_known_true after some time.
4424 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
4426         PR target/53425
4427         * config/i386/i386.c (type_natural_mode): Warn passing SSE
4428         vector argument without SSE enabled changes the ABI.
4430 2012-05-21  Richard Guenther  <rguenther@suse.de>
4432         PR tree-optimization/53408
4433         * tree-vect-loop.c (vectorizable_induction): Properly check
4434         the restriction that we cannot handle induction results from
4435         the inner loop outside of the outer loop.
4437 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
4439         PR target/53416
4440         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
4441         (UNSPECV_RDRAND): This.
4442         (rdrand<mode>_1): Updated.
4444 2012-05-21  Richard Guenther  <rguenther@suse.de>
4446         * tree-loop-distribution.c (can_generate_builtin): Reject
4447         volatile stmts.
4449 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
4451         * Makefile.in (options.c): Add options.h to included header
4452         files, before tm.h.
4454 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
4456         * tree-parloops.c : Add myself to contributors, update
4457         TODO list, add link to wiki.
4459 2012-05-21  Alan Modra  <amodra@gmail.com>
4461         * config/rs6000/predicates.md (input_operand): Don't match
4462         constant pool addresses.  Remove label_ref, high and plus from
4463         match_code list.  Remove redundant CONSTANT_P test.
4464         (splat_input_operand): Similarly update match_code list.
4465         (small_toc_ref): New predicate.
4466         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
4467         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
4468         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
4469         register checks to..
4470         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
4471         generated by create_TOC_reference.
4472         (rs6000_legitimize_address): Update cerate_TOC_reference call.
4473         (rs6000_delegitimize_address): Handle new rtl for toc refs.
4474         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
4475         (use_toc_relative_ref): New function, split out from..
4476         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
4477         create_TOC_reference calls.
4478         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
4479         of medium/large model toc addresses.  Use use_toc_relative_ref.
4480         (print_operand): Formatting, style.  Adjust for toc changes.
4481         (print_operand_address): Likewise.
4482         (rs6000_output_addr_const_extra): Likewise.
4483         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
4484         than a PLUS.  Use this formulation for both high and low part
4485         of -mcmodel=medium/large toc reference too.  Before reload,
4486         always use the small model formulation.
4487         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
4488         a PLUS in high part of addresses here.
4489         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
4490         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
4491         (largetoc_high, largetoc_low): Move earlier.  Cope when no
4492         base reg available.
4493         (largetoc_high_plus): New insn.
4494         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
4495         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
4496         (tocref): ..instead do so here, new insn and split.
4498 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
4500         * config/i386/driver-i386.c (host_detect_local_cpu): Support
4501         RDRND, F16C and FSGSBASE.
4503 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4505         PR rtl-optimzation/53373
4506         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
4507         call pattern.  Update split patterns.
4508         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
4509         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
4511 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
4513         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
4514         for outer loops.
4516 2012-05-18  Jan Hubicka  <jh@suse.cz>
4518         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
4519         (cgraph_process_new_functions): Process also aliases.
4520         * lto-streamer-out.c (struct sets): Remove.
4521         (trivally_defined_alias): Remove.
4522         (output_alias_pair_p): Remove.
4523         (output_unreferenced_globals): Remove.
4524         (produce_symtab); Do not handle alias pairs.
4525         (produce_asm_for_decls): Likewise.
4526         * lto-streamer-in.c (input_alias_pairs): Remove.
4527         (lto_read_body): Do not input alias pairs.
4528         (lto_input_constructors_and_inits): Remove.
4530 2012-05-18  Jan Hubicka  <jh@suse.cz>
4532         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
4533         aliases.
4535 2012-05-18  Jan Hubicka  <jh@suse.cz>
4537         * cgraphbuild.c (record_reference): Update.
4538         * lto-cgraph.c (lto_output_varpool_node): External vars
4539         are not in other partition even if they are not output
4540         in current partition.
4541         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
4542         argument; fix.
4543         (canonicalize_constructor_val): Take FROM_DECL argument.
4544         (fold_ctor_reference, fold_string_cst_ctor_reference,
4545         fold_array_ctor_reference, fold_nonarray_ctor_reference,
4546         fold_ctor_reference): Likewise.
4547         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
4548         * gimple.h (gimple_fold_builtin): Likewise.
4550 2012-05-18  Olivier Hainque  <hainque@adacore.com>
4552         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
4553         $(libsubdir) as libexecsubdir.
4555 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4557         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
4558         relied on signed overflow behavior.
4560 2012-05-18  Richard Guenther  <rguenther@suse.de>
4562         PR tree-optimization/53346
4563         * tree-loop-distribution.c (ldist_gen): Make sure to apply
4564         builtin transform even when only a single partition with
4565         all reads/writes exists.
4567 2012-05-18  Richard Guenther  <rguenther@suse.de>
4569         PR tree-optimization/53390
4570         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
4571         strided loads.
4573 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4575         * tree-ssa-reassoc.c (bip_map): Remove decl.
4576         (completely_remove_stmt): Remove function.
4577         (remove_def_if_absorbed_call): Remove function.
4578         (remove_visited_stmt_chain): Remove __builtin_powi handling.
4579         (possibly_move_powi): Remove function.
4580         (rewrite_expr_tree): Remove calls to possibly_move_powi.
4581         (rewrite_expr_tree_parallel): Likewise.
4582         (attempt_builtin_powi): Build multiplies explicitly rather than
4583         relying on the ops vector and rank system.
4584         (transform_stmt_to_copy): New function.
4585         (transform_stmt_to_multiply): Likewise.
4586         (reassociate_bb): Handle leftover operations after __builtin_powi
4587         optimization; build a final multiply if necessary.
4589 2012-05-18  Jan Hubicka  <jh@suse.cz>
4591         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
4592         (mark_functions_to_output): Fix sanity check.
4593         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
4595 2012-05-18  Richard Guenther  <rguenther@suse.de>
4597         * tree-flow.h (mark_symbols_for_renaming): Remove.
4598         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
4599         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
4600         (copy_debug_stmt): Likewise.
4601         (expand_call_inline): Likewise.
4602         (declare_return_variable): Mark the return variable for renaming
4603         if necessary.
4605 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
4607         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
4608         prototype.
4609         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
4610         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
4611         (ashrdi3,lshrdi3): Likewise.
4612         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
4614 2012-05-18  Meador Inge  <meadori@codesourcery.com>
4616         PR rtl-optimization/53352
4617         * cse.c (equiv_constant): Ignore paradoxical subregs.
4619 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
4621         PR rtl-optimization/53125
4622         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
4623         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
4624         die in the basic block.  Correctly top off REG_FREQ and
4625         REG_FREQ_CALLS_CROSSED.
4626         Remove do_not_gen.
4627         (regstat_compute_ri): Allocate and free local_live_last_luid.
4628         Remove do_not_gen.
4629         (regstat_bb_compute_calls_crossed): Correctly top off
4630         REG_FREQ_CALLS_CROSSED.
4632 2012-05-17  Jan Hubicka  <jh@suse.cz>
4634         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
4635         constructor over decl without.
4636         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
4637         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
4638         * cgraphunit.c (process_function_and_variable_attributes): Finalize
4639         extrnal decls.
4640         (mark_functions_to_output): Also accept bodies for functions with
4641         clones.
4642         (output_in_order): Skip external vars.
4643         * lto-cgraph.c (lto_output_node): External functions are never in other
4644         partition.
4645         (lto_output_varpool_node): Likewise.
4646         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
4647         forgotten initializers.
4648         * ipa.c (process_references): Handle external vars.
4649         (symtab_remove_unreachable_nodes): Update to handle external vars.
4650         (varpool_externally_visible_p): External vars are externally visible.
4651         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
4652         * varpool.c (varpool_remove_node): Remove constructor.
4653         (decide_is_variable_needed): Handle externals.
4654         (varpool_remove_unreferenced_decls): Likewise.
4656 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4658         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
4659         (enable_warning_as_error): Do not special case Wuninitialized.
4660         * optc-gen.awk: Add sanity checks.
4662 2012-05-17  Jan Hubicka  <jh@suse.cz>
4664         * ipa-reference.c (is_proper_for_analysis): Do not check flags
4665         that might change as result of global optimization.
4666         (analyze_function): Do not check analyzed and externally_visible
4667         flags; be happy about address dereferences.
4668         (propagate): Prune all_module_statics so it really contains just
4669         statics; prune all the local summaries.
4670         (ipa_reference_write_optimization_summary): Simplify.
4672 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
4674         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
4675         * config/m68k/m68k-tables.opt: Regenerated.
4676         * doc/invoke.texi (M680x0 Options): Document.
4678 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
4679             Patrick Marlier  <patrick.marlier@gmail.com>
4681         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
4682         indirect calls.
4684 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
4686         * configure: Regenerated.
4688 2012-05-16  Andrew Pinski  <apinski@cavium.com>
4690         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
4691         GIMPLE_ASSIGN.
4693 2012-05-16  David S. Miller  <davem@davemloft.net>
4695         * jump.c (delete_related_insns): If we remove a CALL, make sure
4696         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
4698 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4700         PR tree-optimization/53217
4701         * tree-ssa-reassoc.c (bip_map): New static variable.
4702         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
4703         (attempt_builtin_powi): Save feeding multiplies on a stack.
4704         (reassociate_bb): Create and destroy bip_map.
4706 2012-05-16  Olivier Hainque  <hainque@adacore.com>
4708         * Makefile.in (install-no-fixedincludes): New target, former toplevel
4709         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
4710         Add comments and improve stamp preservation across the whole sequence.
4711         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
4713 2012-05-16  Richard Guenther  <rguenther@suse.de>
4715         * tree-inline.c (insert_init_stmt): Do not call
4716         mark_symbols_for_renaming.
4717         (setup_one_parameter): Avoid initializing unused parameters.
4718         (declare_return_variable): Properly handle DECL_BY_REFERENCE
4719         return vars in SSA form.
4721 2012-05-16  Richard Guenther  <rguenther@suse.de>
4723         * tree-flow.h (get_virtual_var): Remove.
4724         * tree-dfa.c (get_virtual_var): Likewise.
4726 2012-05-16  Richard Guenther  <rguenther@suse.de>
4728         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
4729         Remove set-only bitmap of new names.
4730         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
4731         CFG hooks.
4732         * tree-flow.h (ssa_names_to_replace): Remove.
4733         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
4735 2012-05-16  Richard Guenther  <rguenther@suse.de>
4737         PR tree-optimization/53364
4738         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
4739         detect a view-conversion of the decl.
4741 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
4743         PR preprocessor/7263
4744         * c-tree.h (enum c_declspec_word): Declare new enum.
4745         (struct c_declspecs::locations): New member.
4746         (declspecs_add_qual, declspecs_add_scspec)
4747         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
4748         location parameter.
4749         * c-decl.c (build_null_declspecs): Initialize the new struct
4750         c_declspecs::locations member.
4751         (declspecs_add_addrspace): Take a location parameter for the
4752         address space.  Store it onto declaration specifiers.
4753         (declspecs_add_qual): Likewise, take a location parameter for the
4754         qualifier.
4755         (declspecs_add_type): Likewise, take a location parameter for the
4756         type specifier.
4757         (declspecs_add_scspec): Likewise, take a location parameter for
4758         the storage class specifier.
4759         (declspecs_add_attrs): Likewise, take a location parameter for the
4760         first attribute.
4761         (declspecs_add_alignas): Likewise, take a location parameter for
4762         the alignas token.
4763         (finish_declspecs): For diagnostics, use the location of the
4764         relevant declspec, instead of the global input_location.
4765         * c-parser.c (c_parser_parameter_declaration): Pass the precise
4766         virtual location of the declspec to the declspecs-setters.
4767         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
4768         repeatedly.
4770 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
4772         * configure.ac: Stack protector enabling for Android targets.
4773         * configure: Regenerate.
4775 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
4777         * ira.c (pseudo_move_insn): Delete.
4778         (find_moveable_pseudos): Don't set it.
4779         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
4780         the definitions of the original pseudo.  Delete all of them.
4782 2012-05-16  Olivier Hainque  <hainque@adacore.com>
4784         * config/rs6000/rs6000-opts.h (enum processor_type): Add
4785         PROCESSOR_PPC8548.
4786         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
4787         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
4788         * config/rs6000/8540.md: indicate that the units/patterns apply to
4789         ppc8548 as well.
4791         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
4792         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
4793         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
4794         related flags,  check that what is queried is supported by the selected
4795         configuration. Rework the single/double_float and MASK_STRING resets to
4796         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
4797         costs for PROCESSOR_PPC8548 as well.
4798         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
4799         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
4800         statement instead of a sequence of ifs.
4802         * config/rs6000/rs6000.h (TARGET_E500): Remove.
4803         (TARGET_NO_LWSYNC): Adjust accordingly.
4804         * config/rs6000/e500.h (TARGET_E500): Remove.
4805         (CHECK_E500_OPTIONS): Adjust accordingly.
4806         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
4807         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
4808         * config/rs6000/linuxspe.h: Likewise.
4809         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
4810         superfluous comments.
4811         * config/rs6000/e500-double.h: Remove.
4813         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
4814         default to with_cpu=8548 if --enable-e500-double, and to 8540
4815         otherwise.
4816         (set misc flags section): For powerpc*|rs6000*, remove inclusion
4817         of e500-double.h for --enable-e500-double.
4819 2012-05-16  Olivier Hainque  <hainque@adacore.com>
4821         * Makefile.in (s-header-vars): Resort to -n instead of trailing
4822         -e d in sed invocation.
4824 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
4826         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
4827         source-code.
4828         * doc/tm.texi: Regenerate.
4830 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
4832         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
4834 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
4836         PR target/53358
4837         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
4838         that operands[2] is either immediate, or q_regs_operand.
4840 2012-05-15  Richard Guenther  <rguenther@suse.de>
4842         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
4843         (assemble_thunk): Likewise.  Manually rename and register
4844         function arguments.
4846 2012-05-15  Richard Guenther  <rguenther@suse.de>
4848         PR tree-optimization/53355
4849         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
4850         by constants.
4852 2012-05-15  Tristan Gingold  <gingold@adacore.com>
4854         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
4856 2012-05-15  Richard Guenther  <rguenther@suse.de>
4858         * gimple.c (gimple_set_modified): Move ...
4859         * gimple.h (gimple_set_modified): ... here.
4861 2012-05-15  Tristan Gingold  <gingold@adacore.com>
4863         * ira-color.c (move_spill_restore): Add a guard.
4865 2012-05-15  Tristan Gingold  <gingold@adacore.com>
4867         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
4868         plus_constant.
4870 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
4872         * gimplify.c (gimplify_init_constructor): Do a block move for very
4873         small objects as well.
4875 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
4877         * ira.c (find_moveable_pseudos): Skip registers whose
4878         DF_REG_EQ_USE_COUNT is nonzero.
4880 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
4882         * doc/md.texi (fma): Define to only be applicable for single rounding.
4884 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
4886         PR target/46098
4887         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
4888         generate target register for "load" class builtins.
4890         Revert:
4891         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
4893         PR target/46098
4894         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
4895         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
4896         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
4897         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
4898         (<sse>_movu<ssemodesuffix>): New expander.
4899         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
4900         (avx_movdqu<avxmodesuffix>): New expander.
4901         (*sse2_movdqu): Rename from sse2_movdqu.
4902         (sse2_movdqu): New expander.
4904 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
4906         PR target/52607
4907         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
4908         (canonicalize_perm): ... new function.
4909         (expand_vec_perm_2vperm2f128_vshuf): New function.
4910         (ix86_expand_vec_perm_const_1): Call it.
4912 2012-05-14  Andrew Pinski  <apinski@cavium.com>
4913             H.J. Lu  <hongjiu.lu@intel.com>
4914             Jakub Jelinek  <jakub@redhat.com>
4916         PR target/53315
4917         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
4918         (xbegin): Updated.
4920 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
4922         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
4923         lineno 1 the same as lineno 0 before first start file directive.
4924         (optimize_macinfo_range): Likewise.
4926         * dwarf2out.c (have_macinfo): Define.
4927         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
4928         attribute, don't force empty compilation unit and don't emit any
4929         .debug_macinfo/.debug_macro section if macinfo_table is empty.
4931 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
4933         PR target/53344
4934         * config/avr/avr.c (avr_const_address_lo16): Remove.
4935         (avr_assemble_integer):  Print ".byte lo8(x)",
4936         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
4937         .warning if 3-byte address is assembled.
4938         * doc/extend.texi (AVR Named Address Spaces): Document that
4939         binutils 2.23 is needed to assemble 3-byte addresses.
4941 2012-05-14  Richard Guenther  <rguenther@suse.de>
4943         * tree-vect-data-refs.c (vect_setup_realignment): Remove
4944         call to mark_symbols_for_renaming.
4945         (vect_permute_load_chain): Likewise.
4946         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
4947         instead of calling mark_symbols_for_renaming.
4948         * tree-vect-stmts.c (read_vector_array): Remove call to
4949         mark_symbols_for_renaming.
4950         (write_vector_array): Likewise.
4951         (vectorizable_call): Likewise.
4952         (vectorizable_store): Likewise.
4953         (vectorizable_load): Likewise.
4954         * matrix-reorg.c (transform_allocation_sites): Likewise.
4955         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
4956         (create_expression_by_pieces): Likewise.
4958 2012-05-14  Richard Guenther  <rguenther@suse.de>
4960         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
4961         of statements for renaming.
4962         (force_gimple_operand_1): Likewise, consistently for both
4963         calls to force_gimple_operand and force_gimple_operand_gsi.
4965 2012-05-14  Richard Guenther  <rguenther@suse.de>
4967         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
4968         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
4969         to update_ssa.
4970         (expand_omp_for): Likewise.
4971         (expand_omp_for_generic): Adjust conditional add to referenced vars.
4972         Use make_rename_temp for temporaries that should be rewritten into
4973         SSA form.
4974         (expand_omp_for_static_nochunk): Likewise.
4975         (expand_omp_atomic_pipeline): Likewise.
4977 2012-05-14  Richard Guenther  <rguenther@suse.de>
4979         PR tree-optimization/53331
4980         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
4981         strided loads.
4982         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
4984 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4986         PR 53063
4987         * doc/options.texi: (LangEnabledBy): Document it.
4988         * optc-gen.awk: Handle LangEnabledBy.
4989         * opth-gen.awk: Generate declaration for lang-specific functions.
4990         * opt-read.awk: Record lang numbers.
4991         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
4992         (lang_sanitized_name): New.
4994 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
4996         * attribs.c (decl_attributes): Avoid emitting a warning if
4997         ATTR_FLAG_BUILT_IN.
4998         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
4999         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
5000         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
5001         define a string "1".
5002         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
5003         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
5004         BUILT_IN_STRCPY): Use it for these functions.
5005         * postreload.c (reload_combine): Deal with SETs inside
5006         CALL_INSN_FUNCTION_USAGE.
5007         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
5008         Look for REG_RETURNED notes and use a cheap restore if possible.
5009         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
5010         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
5011         * ira-build.c (ira_create_allocno, create_cap_allocno,
5012         propagate_allocno_info, propagate_some_info_from_allocno,
5013         copy_info_to_removed_store_destination, ira_flattening): Handle it.
5014         * ira-lives.c (pseudo_regno_single_word_and_live_p,
5015         find_call_crossed_cheap_reg): New static functions.
5016         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
5017         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
5018         a REG_RETURNED note in that case.
5019         * ira.c (setup_reg_renumber): Change assert to allow cases where
5020         allocnos only cross calls for which they are cheap to restore.
5021         * ira-costs.c (ira_tune_allocno_costs): Compare
5022         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
5023         than 0.
5024         * reg-notes.def (REG_RETURNED): New note.
5025         * cse.c (cse_insn): Likewise.
5026         * sched-deps.c (sched_analyze_insn): Likewise.
5027         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
5028         * calls.c (decl_return_flags): New static function.
5029         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
5030         functions that return one of their arguments.
5031         * regcprop.c (struct kill_set_value_data): New.
5032         (kill_set_value): Interpret data as a pointer to such a struct.
5033         Do nothing if the caller wants the register to be ignored.
5034         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
5036 2012-05-14  Richard Guenther  <rguenther@suse.de>
5038         PR tree-optimization/53340
5039         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
5041 2012-05-14  Richard Guenther  <rguenther@suse.de>
5043         * gimplify.c (gimplify_expr): Remove odd code.
5045 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
5047         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
5048         into a PLUS_EXPR byte offset.
5050         * tree-ssa-pre.c (can_value_number_call): Delete.
5051         (compute_avail): Skip all statements with side effects.
5052         <GIMPLE_CALL>: Skip calls to internal functions.
5054 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
5056         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
5058 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5060         * common.opt (Wtype-limits): Use EnabledBy.
5062 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
5064         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
5065         (pushtf splitter): Ditto.
5066         (movtf): Ditto.
5067         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
5068         (<code>tf2): Enable for TARGET_SSE.
5069         (*absnegtf2_sse): Ditto.
5070         (copysign<mode>3): Enable TFmode for TARGET_SSE.
5071         (copysign<mode>3_const): Ditto.
5072         (copysign<mode>3_var): Ditto.
5073         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
5074         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
5075         (*<code>tf3): Ditto.
5076         * config/i386/i386.c (struct builtin_description bdesc_args)
5077         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
5078         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
5079         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
5080         Emit a normal call if SSE isn't available.
5082 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
5084         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
5085         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
5086         (<code><mode>3): Ditto.
5087         (*andnot<mode>3): Ditto.
5088         (*andnottf3): Ditto.
5089         (*<code><mode>3): Ditto.
5090         (<code>tf3): Ditto.
5092 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5094         * optc-gen.awk: Error instead of warning for conflicting help.
5096 2012-05-12  Jason Merrill  <jason@redhat.com>
5098         PR debug/53235
5099         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
5100         comdat types.
5102 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
5104         * function.c (requires_stack_frame_p): If the function can throw
5105         non-call exceptions, return true if the insn can throw internally.
5107 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
5109         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
5111 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
5113         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5114         ORDERED and UNORDERED conditions.
5116 2012-05-11  Richard Guenther  <rguenther@suse.de>
5118         * tree-flow.h (referenced_var_check_and_insert): Remove.
5119         (find_new_referenced_vars): Likewise.
5120         * tree-dfa.c (referenced_var_check_and_insert): Make static.
5121         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
5122         * tree-inline.c (copy_bb): Use find_referenced_vars_in
5123         instead of find_new_referenced_vars.
5124         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
5126 2012-05-11  Richard Guenther  <rguenther@suse.de>
5128         * tree-pass.h (pass_rest_of_compilation,
5129         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
5130         Remove.
5131         * passes.c (pass_all_optimizations, pass_postreload,
5132         pass_all_early_optimizations): Make static.
5133         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
5134         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
5135         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
5136         (delete_tree_ssa): Do not call fini_phinodes.
5137         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
5139 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5141         PR 53063
5142         * doc/options.texi (EnabledBy): Document
5143         * opts.c: Include opts.h and options.h before tm.h.
5144         (finish_options): Do not handle some sub-options here...
5145         (common_handle_option): ... instead call common_handle_option_auto
5146         here.
5147         * optc-gen.awk: Handle EnabledBy.
5148         * opth-gen.awk: Declare common_handle_option_auto.
5149         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
5150         (Wmaybe-uninitialized): Likewise.
5151         (Wunused-but-set-variable): Likewise.
5152         (Wunused-function): Likewise.
5153         (Wunused-label): Likewise.
5154         (Wunused-value): Likewise.
5155         (Wunused-variable): Likewise.
5156         * opt-read.awk: Create opt_numbers array.
5158 2012-05-11  Richard Guenther  <rguenther@suse.de>
5160         PR tree-optimization/53295
5161         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
5162         strides.
5163         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
5164         strides when analyzing data-references in a loop context.
5165         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
5166         non-constant strides for now.
5167         (vect_enhance_data_refs_alignment): Ignore data references
5168         that are strided loads.
5169         (vect_analyze_data_ref_access): Handle non-constant strides.
5170         (vect_check_strided_load): Verify the data-reference is a load.
5171         (vect_analyze_data_refs): Restructure to make strided load
5172         support not dependent on gather support.
5173         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
5174         when doing strided or gather loads.
5175         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
5176         integer_zerop to compare stride with zero.
5178 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
5180         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
5182 2012-05-11  Jan Hubicka  <jh@suse.cz>
5184         PR bootstrap/53300
5185         * varpool.c (varpool_assemble_decl): Also output constat pool entries
5186         that output_constant_pool missed.
5188 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
5190         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
5191         MULTILIB_EXTRA_OPTS.
5193 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
5195         PR target/53291
5196         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
5198 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
5200         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
5201         optimization for TARGET_AVX.
5202         (*movti_internal_sse): Ditto.
5203         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
5204         (*movdi_internal): Ditto.
5205         (*movsi_internal): Ditto.
5206         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
5207         (*movdf_internal_rex64): Ditto.
5208         (*movfd_internal): Ditto.
5209         (*movsf_internal): Ditto.
5210         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
5212 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
5214         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
5215         reference as size attribute.
5217 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
5218             Tristan Gingold  <gingold@adacore.com>
5220         * doc/md.texi (Standard Names): Document probe_stack_address.
5221         * explow.c (emit_stack_probe): Handle probe_stack_address.
5222         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
5223         (UNSPECV_PROBE_STACK_RANGE): Likewise.
5224         (probe_stack_address): New insn.
5225         (probe_stack_range): Likewise.
5226         * config/ia64/ia64.c: Include common/common-target.h.
5227         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
5228         checking is enabled.
5229         (ia64_emit_probe_stack_range): New function.
5230         (output_probe_stack_range): Likewise.
5231         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
5232         builtin stack checking is enabled.
5233         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
5234         and UNSPECV_PROBE_STACK_ADDRESS.
5235         (unknown_for_bundling_p): New predicate.
5236         (group_barrier_needed): Use important_for_bundling_p.
5237         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
5238         (issue_nops_and_insn): Likewise.
5239         (bundling): Likewise.
5240         (final_emit_insn_group_barriers): Likewise.
5241         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
5242         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
5243         (STACK_CHECK_PROTECT): Likewise.
5244         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
5246 2012-05-10  Jan Hubicka  <jh@suse.cz>
5248         * ipa-inline.c (update_all_callee_keys): Remove.
5249         (inline_small_functions): Simplify priority updating.
5251 2012-05-10  Jan Hubicka  <jh@suse.cz>
5253         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
5255 2012-05-10  Jan Hubicka  <jh@suse.cz>
5257         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
5258         (symtab_remove_unreachable_nodes): ... this one.
5259         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
5260         * cgraphunit.c (ipa_passes): Update.
5261         * cgraphclones.c (cgraph_materialize_all_clones): Update.
5262         * cgraph.c (cgraph_release_function_body): Only turn initial
5263         into error mark when initial was previously set.
5264         * ipa-inline.c (ipa_inline): Update.
5265         * ipa.c: Include ipa-inline.h
5266         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
5267         (enqueue_node): New function.
5268         (process_references): Update.
5269         (symtab_remove_unreachable_nodes): Cleanup.
5270         * passes.c (execute_todo, execute_one_pass): Update.
5272 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
5274         PR rtl-optimization/53125
5275         * ira.c (ira): Call find_moveable_pseudos and
5276         move_unallocated_pseudos if only ira_conflicts_p is true.
5278 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
5280         * config/i386/i386.md (*movoi_internal_avx): Handle
5281         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
5282         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
5283         (*movti_internal_sse): Ditto.
5284         (*movtf_internal): Ditto.
5285         * config/i386/sse.md (ssePSmode): New mode attribute.
5286         (*move<mode>_internal): Use ssePSmode.
5287         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
5288         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
5289         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
5290         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
5292 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
5294         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
5295         DECL_ORIGINAL_TYPE if it is present.
5297 2012-05-10  Nick Clifton  <nickc@redhat.com>
5299         PR target/53120
5300         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
5301         a "0" constraint to being a (match_dup 0).
5303 2012-05-10  Richard Guenther  <rguenther@suse.de>
5305         * stor-layout.c (byte_from_pos): Amend comment.
5307 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5309         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
5310         Document requirement to call in constructors.
5312         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
5314 2012-05-10  Richard Guenther  <rguenther@suse.de>
5316         * tree.h (TYPE_IS_SIZETYPE): Remove.
5317         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
5318         (extract_muldiv_1): Likewise.
5319         * gimple.c (gtc_visit): Likewise.
5320         (gimple_types_compatible_p): Likewise.
5321         (iterative_hash_canonical_type): Likewise.
5322         (gimple_canonical_types_compatible_p): Likewise.
5323         * gimplify.c (gimplify_one_sizepos): Likewise.
5324         * print-tree.c (print_node): Likewise.
5325         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
5327 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
5329         PR target/52908
5330         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
5331         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
5332         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
5333         instead of xop_mulv2div2di3_low.
5334         (xop_p<macs>dql): Fix vec_select selector.
5335         (xop_p<macs>dqh): Ditto.
5336         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
5337         (xop_mulv2div2di3_high): Ditto.
5339 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5341         PR c++/53289
5342         * diagnostic.h (diagnostic_context): Add last_location.
5343         * diagnostic.c (diagnostic_initialize): Initialize it.
5344         (diagnostic_show_locus): Use it.
5346 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5348         * doc/extend.texi (Function Attributes): Point xref to section
5349         about Pragmas.
5351 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
5353         * config/i386/i386.c (*movdf_internal_rex64): Remove
5354         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
5355         Calculate "mode" attribute according to
5356         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
5357         (*movdf_internal): Ditto.
5359 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
5361         PR target/44141
5362         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
5363         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
5364         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
5365         or when optimizing for size.
5366         * config/i386/sse.md (*mov<mode>_internal): Remove
5367         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
5368         Calculate "mode" attribute according to optimize_function_for_size_p
5369         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
5370         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
5371         depending on the mode of the instruction.  Calculate "mode" attribute
5372         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
5373         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
5374         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
5376 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
5378         PR target/53256
5379         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
5380         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
5381         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
5382         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
5383         (expand_prologue): Move initialization of cfun->machine->is_naked,
5384         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
5385         (avr_set_current_function): ...this new static function.
5386         (TARGET_SET_CURRENT_FUNCTION): New define.
5387         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
5388         checking attributes of current_function_decl.
5389         (avr_regs_to_save): Ditto.
5390         (signal_function_p): Rename to avr_signal_function_p.
5391         (interrupt_function_p): Rename to avr_interrupt_function_p.
5393         * doc/extend.texi (Function Attributes): Better explanation of
5394         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
5395         alphabetical order.
5397 2012-05-09  Michael Matz  <matz@suse.de>
5399         PR tree-optimization/53185
5400         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
5401         peeling when we see strided loads.
5403 2012-05-09  Matthias Klose  <doko@ubuntu.com>
5405         * gcc-ar.c (main): Don't check for execute bits for the plugin.
5407 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5409         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
5410         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
5411         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
5412         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
5413         (USE_LOAD_POST_INCREMENT): Define.
5414         (USE_LOAD_PRE_INCREMENT): Define.
5415         (USE_LOAD_POST_DECREMENT): Define.
5416         (USE_LOAD_PRE_DECREMENT): Define.
5417         (USE_STORE_PRE_DECREMENT): Define.
5418         (USE_STORE_PRE_INCREMENT): Define.
5419         (USE_STORE_POST_DECREMENT): Define.
5420         (USE_STORE_POST_INCREMENT): Define.
5421         (arm_auto_incmodes): Add enumeration.
5422         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
5423         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
5425 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
5427         PR tree-optimization/53226
5428         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
5429         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
5430         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
5431         doesn't need to be revisited, look for earliest stmt with
5432         !gimple_plf (stmt, GF_PLF_1) if something changed.
5434 2012-05-09  Terry Guo  <terry.guo@arm.com>
5436         * genmultilib: Update copyright dates.
5437         * doc/fragments.texi: Ditto.
5439 2012-05-09  Terry Guo  <terry.guo@arm.com>
5441         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
5442         * genmultilib (MULTILIB_REQUIRED): New.
5443         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
5445 2012-05-09  Richard Guenther  <rguenther@suse.de>
5447         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5448         (vect_do_peeling_for_loop_bound): Likewise.
5449         (vect_do_peeling_for_alignment): Likewise.
5450         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
5451         (vect_do_peeling_for_loop_bound): Get check_profitability and
5452         threshold as parameters.
5453         (vect_do_peeling_for_alignment): Likewise.
5454         (vect_loop_versioning): Likewise.
5455         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
5456         and threshold here.  Control where to put the check here.
5458 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
5460         PR middle-end/53249
5461         * dwarf2out.h (get_address_mode): Move declaration to...
5462         * rtl.h: ...here.
5463         * dwarf2out.c (get_address_mode): Move definition to...
5464         * rtlanal.c: ...here.
5465         * var-tracking.c (get_address_mode): Delete.
5466         * combine.c (find_split_point): Use get_address_mode instead of
5467         targetm.addr_space.address_mode.
5468         * cselib.c (cselib_record_sets): Likewise.
5469         * dse.c (canon_address, record_store): Likewise.
5470         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
5471         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
5472         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
5473         (expand_expr_real_1): Likewise.
5474         * ifcvt.c (noce_try_cmove_arith): Likewise.
5475         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
5476         * reload.c (find_reloads): Likewise.
5477         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5478         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
5480 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
5482         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
5483         information from the instruction produced.
5485 2012-05-09  Richard Guenther  <rguenther@suse.de>
5487         * stor-layout.c (bit_from_pos): Document.
5488         (byte_from_pos): Likewise.  Optimize.
5489         (pos_from_bit): Likewise.
5490         (normalize_offset): Use pos_from_bit instead of replicating it.
5492 2012-05-09  Alan Modra  <amodra@gmail.com>
5494         PR target/53271
5495         * config/rs6000/rs6000.c (gen_frame_set): New function.
5496         (gen_frame_load, gen_frame_store): New functions.
5497         (rs6000_savres_rtx): Use the above.
5498         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
5499         Correct mode used for CR2 in save/restore_world patterns.
5500         Don't emit instructions for eh_return frame unwind reg info.
5502 2012-05-08  Jan Hubicka  <jh@suse.cz>
5504         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
5505         with VALUE_EXPR.
5506         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
5507         are removable.
5508         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
5509         need to wrapup.
5510         (compile_file): Do not output variables.
5511         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
5512         output it.
5513         * langhooks.c: Include timevar.h
5514         (write_global_declarations): Finalize compilation unit after wrapup;
5515         set timevars correctly.
5516         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
5517         not to be added to varpool.
5518         * varpool.c (varpool_assemble_decl): Sanity check that we are called
5519         only on cases where it makes sense; skip constant pool and value expr
5520         vars.
5522 2012-05-08  David S. Miller  <davem@davemloft.net>
5524         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
5525         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
5526         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
5528 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
5530         PR rtl-optimization/53278
5531         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
5532         speed_p code from earlier patch.
5534 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5536         PR target/51244
5537         * config/sh/sh.md (*branch_true, *branch_false): New insns.
5539 2012-05-08  Teresa Johnson  <tejohnson@google.com>
5541         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
5542         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
5544 2012-05-08  Jan Hubicka  <jh@suse.cz>
5546         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
5547         (cgraph_create_node_1): Rename to ...
5548         (cgraph_create_empty_node): ... this one; export.
5549         (cgraph_create_node): Update.
5550         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
5551         (cgraph_create_edge_including_clones): Likewise.
5552         (cgraph_find_replacement_node): Likewise.
5553         (cgraph_clone_edge): Likewise.
5554         (cgraph_clone_node): Likewise.
5555         (clone_function_name): Likewise.
5556         (cgraph_create_virtual_clone): Likewise.
5557         (cgraph_remove_node_and_inline_clones): Likewise.
5558         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
5559         * cgraph.h: Reorder declarations so they match file of origin.
5560         (cgraph_create_empty_node): Declare.
5561         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
5562         (cgraph_copy_node_for_versioning): Likewise.
5563         (cgraph_function_versioning): Likewise.
5564         (cgraph_materialize_clone): Likewise.
5565         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
5566         (cgraph_materialize_all_clones): Likewise.
5567         * cgraphclones.c: New file.
5568         * Makefile.in: Update for cgraphclones.
5570 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
5572         PR target/53176
5573         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
5574         (ix86_rtx_costs): Handle SET.
5576 2012-05-08  Michael Matz  <matz@suse.de>
5578         * basic-block.h (struct rtl_bb_info): Remove visited member and
5579         move head_ member to ...
5580         (struct basic_block_def.basic_block_il_dependent): ... the new
5581         member x, replacing but containing old member rtl.
5582         (enum bb_flags): New BB_VISITED flag.
5583         (BB_HEADER, BB_FOOTER): New macros.
5585         * jump.c (mark_all_labels): Adjust.
5586         * cfgcleanup.c (try_optimize_cfg): Adjust.
5587         * cfglayout.c (record_effective_endpoints): Adjust.
5588         (relink_block_chain): Ditto (and don't fiddle with visited).
5589         (fixup_reorder_chain): Adjust.
5590         (fixup_fallthru_exit_predecessor): Ditto.
5591         (cfg_layout_duplicate_bb): Ditto.
5592         * combine.c (update_cfg_for_uncondjump): Adjust.
5593         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
5594         (bb_visited_trace): New accessor.
5595         (mark_bb_visited): Move in front.
5596         (rotate_loop): Use bb_visited_trace.
5597         (find_traces_1_round): Ditto.
5598         (emit_barrier_after): Ditto.
5599         (copy_bb): Ditto, and initialize visited on resize.
5600         (reorder_basic_blocks): Initize visited member.
5601         (duplicate_computed_gotos): Clear bb flags at start, use
5602         BB_VISITED flags.
5604         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
5605         (rtl_verify_flow_info_1): Ditto.
5606         (cfg_layout_split_block): Ditto.
5607         (cfg_layout_delete_block): Ditto.
5608         (cfg_layout_merge_blocks): Ditto.
5609         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
5611 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
5613         PR target/53272
5614         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
5615         when a constant source operand matches an "I" constraint, the "no
5616         CC0 change" applies to a register-destination only, not a
5617         strict_low_part-destination.
5619 2012-05-08  Richard Guenther  <rguenther@suse.de>
5621         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
5622         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
5624 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
5626         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
5628         * doc/avr-mmcu.texi: New auto-generated file.
5629         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
5630         to document all valid -mmcu= arguments.
5632         * config/avr/avr.h (arch_info_s): New struct definition.
5633         * config/avr/avr-devices.c (avr_texinfo): New variable.
5634         * config/avr/gen-avr-mmcu-texi.c: New file.
5635         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
5637 2012-05-08  Dehao Chen  <dehao@google.com>
5639         * predict.c (find_qualified_ssa_name): New.
5640         (find_ssa_name_in_expr): New.
5641         (find_ssa_name_in_assign_stmt): New.
5642         (is_comparison_with_loop_invariant_p): New.
5643         (is_bound_expr_similar): New.
5644         (predict_iv_comparison): New.
5645         (predict_loops): Add heuristic for loop-nested branches that compare an
5646         induction variable to a loop bound variable.
5647         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
5649 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
5651         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
5652         TARGET_BDVER2 defines where appropriate.
5654 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
5656         * configure.ac (PLUGIN_LD): Rename into...
5657         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
5658         * config.in: Regenerate.
5659         * configure: Likewise.
5660         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
5662 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
5664         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
5665         computation using the precision of the index type.
5666         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
5667         (fold_array_ctor_reference): Do index computations in the index type.
5669 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
5671         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
5672         down to plus_constant.
5673         (expand_epilogue): Ditto.
5675 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5677         * postreload.c (reload_cse_regs): Make static.
5678         * reload.h (reload_cse_regs): Remove prototype.
5680 2012-05-07  Richard Henderson  <rth@redhat.com>
5682         * config/alpha/alpha.md (clear_cache): New pattern.
5684 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5686         PR middle-end/53245
5687         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
5688         is folded to a type boundary value, verify that the resulting case
5689         label is still a care range.
5691 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
5693         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
5694         only for TARGET_GENERIC, when not optimizing for size.
5695         (*ffs<mode>_1): Ditto.
5697 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5699         * tree-cfg.c (verify_gimple_switch): Tighten checks.
5701 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
5703         PR tree-optimization/53239
5704         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
5705         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
5707 2012-05-07  Richard Guenther  <rguenther@suse.de>
5709         PR tree-optimization/53195
5710         * tree-inline.c (setup_one_parameter): Properly add referenced
5711         vars from the parameters new known value.
5713 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5715         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
5716         (sched_branch_type): Remove.
5717         (m68k_sched_md_init_global): Don't allocate it.
5718         (m68k_sched_md_finish_global): Don't free it.
5719         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
5720         * config/m68k/m68k.md: Set the type of insns using
5721         m68k_sched_branch_type to bcc directly.
5723 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5725         * config/sol2.c (solaris_override_options): New function.
5726         * config/sol2-protos.h (solaris_override_options): Declare.
5727         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
5729 2012-05-07  Richard Guenther  <rguenther@suse.de>
5731         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
5732         whether we failed to compute data dependences.
5733         (loop_prefetch_arrays): Fail if we failed.
5735 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
5736             Paolo Bonzini  <bonzini@gnu.org>
5738         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
5739         Emit bsf when optimizing for size.
5740         (*ffs<mode>_1): Ditto.
5742 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5744         PR target/53250
5745         * config/sh/sh.c (sh_rtx_costs): Handle SET.
5747 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
5749         PR target/53227
5750         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
5751         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
5752         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
5753         (bswapsi2): Ditto.
5754         (*bswapdi2_doubleword): New insn pattern.
5755         (*bswap<mode>2): Rename from *bswap<mode>2_1.
5757 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
5759         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
5760         (mips_set_reg_reg_cost): Likewise.
5761         (mips_rtx_costs): Handle SET.
5763 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
5765         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
5766         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
5767         to compute the cost of moves.  Set the mode of the target register.
5769 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
5771         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
5772         plus_constant function.
5773         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
5774         that the mode is sensible.
5775         (use_anchored_address, round_push, allocate_dynamic_stack_space)
5776         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
5777         plus_constant.
5779         * alias.c (canon_rtx): Likewise.
5780         (init_alias_analysis): Likewise.
5781         * builtins.c (expand_builtin_return_addr)
5782         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
5783         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
5784         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
5785         (expand_builtin_stpcpy): Likewise.
5786         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
5787         (compute_argument_addresses, internal_arg_pointer_based_exp)
5788         (expand_call, emit_library_call_value_1): Likewise.
5789         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
5790         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
5791         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
5792         * cse.c (insert_const_anchor, find_reg_offset_for_const)
5793         (use_related_value, fold_rtx): Likewise.
5794         * cselib.c (cselib_subst_to_values): Likewise.
5795         * dse.c (record_store, check_mem_read_rtx): Likewise.
5796         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
5797         * emit-rtl.c (adjust_address_1): Likewise.
5798         * except.c (sjlj_emit_function_enter)
5799         (expand_builtin_extract_return_addr)
5800         (expand_builtin_frob_return_addr): Likewise.
5801         * expmed.c (expand_divmod): Likewise.
5802         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
5803         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
5804         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
5805         * function.c (assign_stack_local_1)
5806         (instantiate_virtual_regs_in_rtx): Likewise.
5807         * optabs.c (prepare_cmp_insn): Likewise.
5808         * recog.c (offsettable_address_addr_space_p): Likewise.
5809         * reload.c (find_reloads_address, form_sum)
5810         (find_reloads_subreg_address): Likewise.
5811         * reload1.c (init_reload, eliminate_regs_1)
5812         (eliminate_regs_in_insn): Likewise.
5813         * simplify-rtx.c (simplify_unary_operation_1)
5814         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
5815         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
5816         (vt_add_function_parameter): Likewise.
5818         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
5819         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
5820         * config/alpha/alpha.c (alpha_legitimize_address_1)
5821         (get_unaligned_address, alpha_expand_unaligned_load)
5822         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
5823         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
5824         (alpha_expand_builtin_establish_vms_condition_handler)
5825         (alpha_setup_incoming_varargs, emit_frame_store_1)
5826         (alpha_expand_prologue, alpha_expand_epilogue)
5827         (alpha_use_linkage): Likewise.
5828         * config/alpha/alpha.md: Likewise.
5830         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
5831         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
5832         (thumb_legitimize_address, arm_gen_load_multiple_1)
5833         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
5834         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
5835         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
5836         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
5837         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
5838         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
5839         (thumb_expand_movmemqi, arm_set_return_address)
5840         (thumb_set_return_address): Likewise.
5841         * config/arm/arm.md: Likewise.
5843         * config/avr/avr.c (avr_incoming_return_addr_rtx)
5844         (avr_prologue_setup_frame, expand_epilogue)
5845         (avr_const_address_lo16): Likewise.
5847         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
5848         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
5849         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
5850         (bfin_output_mi_thunk): Likewise.
5852         * config/c6x/c6x.c (c6x_initialize_trampoline)
5853         (c6x_output_mi_thunk): Likewise.
5855         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
5856         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
5858         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
5859         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
5860         (cris_emit_movem_store, cris_trampoline_init): Likewise.
5861         * config/cris/cris.md: Likewise.
5863         * config/darwin.c (machopic_indirect_data_reference)
5864         (machopic_legitimize_pic_address): Likewise.
5866         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
5867         (epiphany_expand_prologue, epiphany_expand_epilogue)
5868         (epiphany_trampoline_init): Likewise.
5869         * config/epiphany/epiphany.md: Likewise.
5871         * config/fr30/fr30.c (fr30_move_double): Likewise.
5873         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
5874         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
5875         (frv_index_memory, unspec_got_name, frv_find_base_term)
5876         (frv_output_dwarf_dtprel): Likewise.
5878         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
5879         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
5881         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
5882         * config/i386/i386.c (setup_incoming_varargs_64)
5883         (setup_incoming_varargs_ms_64, choose_baseaddr)
5884         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
5885         (ix86_emit_probe_stack_range, ix86_expand_prologue)
5886         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
5887         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
5888         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
5889         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
5890         (x86_output_mi_thunk): Likewise.
5891         * config/i386/i386.md: Likewise.
5893         * config/ia64/ia64.c (ia64_expand_load_address)
5894         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
5895         (do_spill, ia64_trampoline_init): Likewise.
5897         * config/iq2000/iq2000.c (iq2000_va_start)
5898         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
5899         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
5900         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
5902         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
5904         * config/m32c/m32c.c (m32c_return_addr_rtx)
5905         (m32c_expand_insv): Likewise.
5907         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
5908         (m32r_legitimize_pic_address, m32r_print_operand)
5909         (m32r_print_operand_address): Likewise.
5911         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
5912         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
5913         (EH_RETURN_HANDLER_RTX): Likewise.
5914         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
5915         (m68k_expand_epilogue, legitimize_pic_address)
5916         (m68k_output_mi_thunk): Likewise.
5917         * config/m68k/m68k.md: Likewise.
5919         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
5920         (mcore_expand_epilog): Likewise.
5921         * config/mcore/mcore.md: Likewise.
5923         * config/mep/mep.c (mep_allocate_initial_value)
5924         (mep_expand_prologue, mep_expand_epilogue): Likewise.
5926         * config/microblaze/microblaze.c (double_memory_operand)
5927         (microblaze_block_move_loop): Likewise.
5929         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
5930         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
5931         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
5932         (mips_expand_prologue, mips_epilogue_set_cfa)
5933         (mips_expand_epilogue): Likewise.
5934         * config/mips/mips.md: Likewise.
5936         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
5937         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
5939         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
5940         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
5942         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5943         (EH_RETURN_HANDLER_RTX): Likewise.
5944         * config/moxie/moxie.c (moxie_static_chain): Likewise.
5946         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
5947         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
5948         (pa_return_addr_rtx, hppa_builtin_saveregs)
5949         (pa_trampoline_init): Likewise.
5950         * config/pa/pa.md: Likewise.
5952         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
5954         * config/picochip/picochip.c (picochip_static_chain): Likewise.
5956         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
5957         * config/rs6000/rs6000.c (rs6000_legitimize_address)
5958         (setup_incoming_varargs, print_operand, rs6000_return_addr)
5959         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
5960         (rs6000_emit_epilogue)
5961         (rs6000_machopic_legitimize_pic_address): Likewise.
5963         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
5965         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
5966         (DYNAMIC_CHAIN_ADDRESS): Likewise.
5967         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
5968         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
5969         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
5970         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
5971         (s390_emit_epilogue, s390_function_profiler): Likewise.
5972         * config/s390/s390.md: Likewise.
5974         * config/score/score.c (score_add_offset, score_prologue): Likewise.
5976         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
5977         (sh_output_mi_thunk): Likewise.
5978         * config/sh/sh.md: Likewise.
5980         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
5981         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
5982         * config/sparc/sparc.c (sparc_legitimize_pic_address)
5983         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
5984         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
5985         (emit_and_preserve): Likewise.
5986         * config/sparc/sparc.md: Likewise.
5988         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
5989         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
5990         (spu_setup_incoming_varargs, ea_load_store_inline)
5991         (spu_expand_load): Likewise.
5993         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
5994         (combine_bnp): Likewise.
5996         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
5997         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
5998         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
6000         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
6001         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
6002         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
6004         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
6005         * config/v850/v850.md: Likewise.
6007         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
6008         (EH_RETURN_HANDLER_RTX): Likewise.
6009         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
6010         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
6011         (print_operand_address, vax_trampoline_init): Likewise.
6013         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
6014         (xtensa_function_value_regno_p): Likewise.
6016 2012-05-04  Andrew Pinski  <apinski@cavium.com>
6018         * expr.c (get_def_for_expr_class): New function.
6019         (convert_tree_comp_to_rtx): New function.
6020         (expand_cond_expr_using_cmove): New function.
6021         (expand_expr_real_2 <case COND_EXPR>): Call
6022         expand_cond_expr_using_cmove first and return if it succeeds.
6023         Remove the check for HAVE_conditional_move since we should have
6024         already converted it to a conditional move.
6025         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
6026         modes of DImode for 32bits and TImode.
6028 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
6030         PR other/29442
6031         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
6032         (print_md_ptr_loc, print_c_condition): Use them.
6033         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
6034         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
6035         attr_file, dfa_file, latency_file): New global variables.
6036         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
6037         write_upcase, write_indent, write_length_unit_log, write_test_expr,
6038         write_attr_get, write_insn_cases, write_eligible_delay,
6039         write_const_num_delay_slots): Accept FILE pointer and toss it around.
6040         Update all callers.
6041         (write_header, open_outfile, handle_arg): New funcions.
6042         (make_automaton_attrs): Write prototypes as extern to the output
6043         files.
6044         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
6045         names from the command line.  Open the output files and write out
6046         internal functions for DFA functions to dfa_file_name, insn latency
6047         functions to latency_file_name, and everything else to attr_file.
6048         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
6049         (BACKEND): Build libbackend first.
6050         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
6051         (.PRECIOUS): Likewise.
6052         (insn-dfatab.o): New rule.
6053         (insn-latencytab.o): New rule.
6054         (simple_rtl_generated_c): Do not include insn-attrtab.c.
6055         (s-attrtab): New rule.
6057 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
6059         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
6060         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
6061         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
6062         * reorg.c (get_jump_flags): Do not set the removed flags.
6064         * doc/md.texi (attr_flag): Update for abovementioned changes.
6066 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
6068         PR target/53228
6069         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
6070         (TARGET_CMOV): Rename from TARGET_CMOVE.
6071         (TARGET_CMOVE): New define.
6072         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
6073         Do not set TARGET_CMOVE here.
6075 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
6077         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
6078         * opts.c (finish_options): Activate -Wunused-local-typedefs if
6079         -Wunused is activated.
6080         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
6082 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6084         * config/s390/s390.md (*movmem_short, *clrmem_short)
6085         (*cmpmem_short): Move the mode check from the insn condition to
6086         the match_scratch.
6088 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
6090         PR tree-optimization/52633
6091         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
6092         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
6093         (vect_recog_over_widening_pattern): Remove handling of code that was
6094         already detected as over-widening pattern.  Remove special handling
6095         of "unsigned" cases.  Instead, support general case of conversion
6096         of the shift result to another type.
6098 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
6100         * tree-vect-patterns.c (vect_single_imm_use): New function.
6101         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
6102         (vect_recog_over_widening_pattern): Likewise.
6103         (vect_recog_widen_shift_pattern): Likewise.
6105 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
6107         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
6108         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
6109         (vect_recog_widen_mult_pattern): Likewise.
6110         (vect_operation_fits_smaller_type): Likewise.
6111         (vect_recog_over_widening_pattern): Likewise.
6112         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
6114 2012-05-04  Richard Guenther  <rguenther@suse.de>
6116         PR lto/50602
6117         * lto-wrapper.c (merge_and_complain): Complain about mismatches
6118         of -freg-struct-return and -fpcc-struct-return.
6119         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
6120         from the input file options and ignore those from the link
6121         command line.
6123 2012-05-04  Richard Guenther  <rguenther@suse.de>
6125         PR tree-optimization/53168
6126         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
6127         memory reads when the result is a constant we can pun.
6129 2012-05-04  Richard Guenther  <rguenther@suse.de>
6131         * common.opt (flto-report): Do not mark as Optimization.
6133 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6135         PR target/48496
6136         * recog.c (constrain_operands): If extra constraints are present, also
6137         accept pseudo-registers with equivalent memory locations during reload.
6139 2012-05-04  Olivier Hainque  <hainque@adacore.com>
6141         * collect2.c (may_unlink_output_file): New global.
6142         (maybe_unlink): Honor it.
6143         * collect2.h: Add extern for it.
6144         * tlink.c (do_tlink): Set it to true if the link succeeded.
6146 2012-05-04  Olivier Hainque  <hainque@adacore.com>
6148         * gcc.c (eval_spec_function): Finalize/restore the current string
6149         obstack state as part of the context push/pop operations.
6151 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
6153         PR rtl-optimization/52804
6154         * reload1.c (reload_reg_reaches_end_p): Check whether successor
6155         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
6156         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
6157         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
6158         RELOAD_FOR_OUTADDR_ADDRESS.
6160 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6162         PR c++/24985
6163         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
6164         for macro expansion.
6166 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6168         * flags.h (flag_permissive): Do not declare.
6169         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
6170         option specially.
6171         * toplev.c (flag_permissive): Do not define.
6172         * c-tree.h (system_header_p): Delete unused.
6174 2012-05-03  David S. Miller  <davem@davemloft.net>
6176         PR target/52684
6177         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
6178         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
6179         (sparc_emit_float_lib_cmp): Likewise.
6181 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6183         PR target/53199
6184         * config/rs6000/rs6000.md (bswapdi splitters): If
6185         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
6186         default) is used, generate an alternate sequence that does not
6187         depend on using indexed addressing.
6189 2012-05-03  Jason Merrill  <jason@redhat.com>
6191         * gengtype.c (write_types): Fix warning message.
6192         (write_local): Likewise.
6194 2012-05-02  Jason Merrill  <jason@redhat.com>
6196         * dwarf2out.c (struct external_ref, build_local_stub): New.
6197         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
6198         (optimize_external_refs, optimize_external_refs_1): New.
6199         (change_AT_die_ref): New.
6200         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
6201         (build_abbrev_table): Take the external refs hashtable.
6202         (output_comp_unit): Get it from optimize_external_refs and pass it in.
6204 2012-05-03  Jan Hubicka  <jh@suse.cz>
6206         PR middle-end/53093
6207         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
6209 2012-05-03  Jan Hubicka  <jh@suse.cz>
6211         PR middle-end/53106
6212         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
6214 2012-05-03  Jason Merrill  <jason@redhat.com>
6216         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
6217         use_debug_types to discriminate the die_id union.
6218         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
6219         (build_abbrev_table, output_die): Likewise.
6220         (prune_unused_types_walk_attribs): Likewise.
6221         (generate_type_signature, copy_declaration_context): Set it.
6222         (remove_child_or_replace_with_skeleton): Set it.
6223         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
6224         check use_debug_types.
6225         (dwarf2out_finish): Do break_out_includes after .debug_types.
6227 2012-05-03  Jason Merrill  <jason@redhat.com>
6229         * dwarf2out.c (modified_type_die): Use scope_die_for.
6230         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
6231         (uses_local_type_r, uses_local_type): New.
6232         (scope_die_for): Keep a type that uses a local type in local scope.
6233         Use get_context_die for namespace and type scope.
6235 2012-05-03  Jason Merrill  <jason@redhat.com>
6237         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
6238         pc thunk.
6239         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
6240         (dwarf2out_finish): Likewise.
6242 2012-05-03  Martin Jambor  <mjambor@suse.cz>
6244         * builtins.c (get_object_alignment_1): Return whether we can determine
6245         the alignment or conservatively assume byte alignment.  Return the
6246         alignment by reference.  Use get_pointer_alignment_1 for dereference
6247         alignment.
6248         (get_pointer_alignment_1): Return whether we can determine the
6249         alignment or conservatively assume byte alignment.  Return the
6250         alignment by reference.  Use get_ptr_info_alignment to get SSA name
6251         alignment.
6252         (get_object_alignment): Update call to get_object_alignment_1.
6253         (get_object_or_type_alignment): Likewise, fall back to type alignment
6254         only when it returned false.
6255         (get_pointer_alignment): Update call to get_pointer_alignment_1.
6256         * fold-const.c (get_pointer_modulus_and_residue): Update call to
6257         get_object_alignment_1.
6258         * ipa-prop.c (ipa_modify_call_arguments): Update call to
6259         get_pointer_alignment_1.
6260         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
6261         of MEM_REF or TARGET_MEM_REF only when it returns false.
6262         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
6263         get_object_alignment_1.
6264         (ccp_finalize): Use set_ptr_info_alignment.
6265         * tree.h (get_object_alignment_1): Update declaration.
6266         (get_pointer_alignment_1): Likewise.
6267         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
6268         (dump_gimple_stmt): Likewise.
6269         * tree-flow.h (ptr_info_def): Updated comments of fields align and
6270         misalign.
6271         (get_ptr_info_alignment): Declared.
6272         (mark_ptr_info_alignment_unknown): Likewise.
6273         (set_ptr_info_alignment): Likewise.
6274         (adjust_ptr_info_misalignment): Likewise.
6275         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
6276         and set alignment of SSA names.
6277         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
6278         mark_ptr_info_alignment_unknown.
6279         * tree-ssanames.c (get_ptr_info_alignment): New function.
6280         (mark_ptr_info_alignment_unknown): Likewise.
6281         (set_ptr_info_alignment): Likewise.
6282         (adjust_ptr_info_misalignment): Likewise.
6283         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
6284         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
6285         Likewise.
6286         (bump_vector_ptr): Likewise.
6287         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
6288         (vectorizable_store): Likewise.
6289         (vectorizable_load): Likewise.
6291 2012-05-03  Michael Matz  <matz@suse.de>
6293         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
6294         in front of basic_block_def.
6295         (struct basic_block_def): Make il.gimple the full struct, not a
6296         pointer.
6297         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
6299         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
6300         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
6301         NULL il.gimple, which can't happen anymore.
6302         * gimple.h (bb_seq): il.gimple can't be NULL.
6303         (bb_seq_add): Ditto.
6304         (set_bb_seq): Adjust.
6305         (gsi_start_bb, gsi_last_bb): Tidy.
6306         * lto-streamer-in.c (make_new_block): Don't zero members that
6307         are zeroed already, don't allocate a gimple_bb_info.
6308         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
6309         (remove_bb): Clear all il.gimple members.
6310         (gimple_verify_flow_info): Adjust for flat il.gimple.
6311         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
6313         * coretypes.h (const_gimple_seq): Remove typedef.
6314         * gimple.h (gimple_seq_first): Take gimple_seq.
6315         (gimple_seq_first_stmt): Ditto.
6316         (gimple_seq_last): Ditto.
6317         (gimple_seq_last_stmt): Ditto.
6318         (gimple_seq_empty_p): Ditto.
6320 2012-05-03  Richard Guenther  <rguenther@suse.de>
6322         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
6323         operations.
6324         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
6325         (compute_avail): Do not add possibly trapping operations to
6326         EXP_GEN if they might not be executed in the block.
6328 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
6330         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
6332 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
6334         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
6335         information as early as possible.  Update dominance info instead of
6336         discarding it.
6338 2012-05-03  Richard Guenther  <rguenther@suse.de>
6340         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
6341         (union_contains_value): Remove.
6342         (vro_valid_in_sets): Likewise.
6343         (op_valid_in_sets): New function.
6344         (valid_in_sets): Use op_valid_in_sets.
6345         (insert_into_preds_of_block): Move dumping ...
6346         (do_regular_insertion): ... here.
6347         (do_partial_partial_insertion): ... and here.  Dump that
6348         we've found a partial partial redundancy.
6349         (insert): Dump the current insert iteration.
6351 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
6353         PR plugins/53126
6354         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
6355         append program name to it and pass that as first argument
6356         to make_relative_prefix.  Always pass standard_libexec_prefix
6357         as last argument to make_relative_prefix.  If
6358         make_relative_prefix returns NULL, fall back to
6359         standard_libexec_prefix.
6361         PR debug/53174
6362         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
6363         removed.
6365         PR target/53187
6366         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
6367         mode, return that mode.
6369         PR target/53194
6370         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
6371         define __ATOMIC_HLE_* macros here.
6372         (ix86_target_macros): But here, using cpp_define_formatted.
6374 2012-05-03  Richard Guenther  <rguenther@suse.de>
6376         PR tree-optimization/53144
6377         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
6378         Rename to ...
6379         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
6380         with SSA name values.
6381         (vn_reference_lookup_3): Adjust callers.
6383 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
6385         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
6386         has_fma4 for AMD processors with both fma3 and fma4 support.
6388 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6390         PR target/53201
6391         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
6392         "-mno-hle".
6394 2012-05-03  Michael Matz  <matz@suse.de>
6396         PR bootstrap/53197
6397         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
6398         (dse_enter_block): Properly iterate the whole sequence even
6399         if the last statement was removed.
6401 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
6403         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
6404         unset flag_jump_tables.
6405         * stmt.c (expand_case): Remove special flag_pic case conditional
6406         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
6408 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
6410         * common/config/s390/s390-common.c (s390_option_optimization_table):
6411         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
6412         default when optimizing.
6414 2012-05-02  Martin Jambor  <mjambor@suse.cz>
6416         PR lto/52605
6417         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
6418         of a variable when the contect is a function.
6420 2012-05-02  Michael Matz  <matz@suse.de>
6422         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
6423         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
6424         (const_gimple_seq_node): Remove.
6425         (gimple_seq_node): Typedef as gimple.
6426         (struct gimple_statement_base): Add next and prev members,
6427         adjust all WORD markers in using structs.
6428         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
6429         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
6430         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
6431         gimple are the same.
6432         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
6433         gimple_seq, adjust.
6434         (gimple_init_singleton): New function.
6435         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
6436         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
6437         (gsi_stmt): Adjust.
6438         (gsi_stmt_ptr): Remove.
6439         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
6441         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
6442         again, adjust for above changes.
6443         (update_call_edge_frequencies): Adjust for above changes.
6444         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
6445         (gsi_insert_seq_nodes_after): Ditto.
6446         (gsi_split_seq_after): Ditto.
6447         (gsi_set_stmt): Ditto.
6448         (gsi_split_seq_before): Ditto.
6449         (gsi_remove): Ditto.
6450         (gsi_insert_seq_before_without_update): Don't free sequence.
6451         (gsi_insert_seq_after_without_update): Ditto.
6452         (gsi_replace): Assert some more invariants.
6453         (gsi_insert_before_without_update, gsi_insert_after_without_update):
6454         Tidy.
6455         (gsi_for_stmt): Don't search for stmt.
6456         (gsi_insert_on_edge_immediate): Tidy.
6458         * gimple.c (gimple_alloc_k): Remove "sequences".
6459         (gimple_seq_cache): Remove.
6460         (gimple_alloc_stat): Make stmt a singleton sequence.
6461         (gimple_seq_alloc, gimple_seq_free): Remove.
6462         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
6463         (gimple_copy): Ditto.
6464         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
6465         create iterator from correct sequence.
6466         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
6468 2012-05-02  Michael Matz  <matz@suse.de>
6470         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
6471         gimple_seq.
6472         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
6473         sequence, lazily allocate it.
6474         (bb_seq_addr): New function.
6475         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
6476         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
6477         (gsi_none): New function.
6478         (gsi_start_bb): Adjust.
6479         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
6480         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
6481         (gsi_last_bb): Adjust.
6482         (gsi_seq): Adjust.
6483         * tree-flow-inline.h (phi_nodes_ptr): New function.
6485         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
6486         datastructure and interface change.
6487         (gsi_insert_seq_before_without_update): Ditto.
6488         (gsi_insert_seq_nodes_after): Ditto.
6489         (gsi_insert_seq_after_without_update): Ditto.
6490         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
6491         (gsi_split_seq_before): Ditto.
6492         (gsi_start_phis): Adjust.
6493         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
6494         (vect_transform_loop): Ditto.
6495         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
6496         gimple_seq_copy): Don't use gimple_seq_alloc.
6497         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
6498         (gimplify_seq_add_seq): Ditto.
6499         * lto-streamer-in.c (make_new_block): Ditto.
6500         * tree-cfg.c (create_bb): Ditto.
6501         * tree-sra.c (initialize_parameter_reductions): Ditto.
6503 2012-05-02  Michael Matz  <matz@suse.de>
6505         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
6506         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
6507         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
6508         set_bb_seq): Move down to after gimple_statement_d definition.
6510 2012-05-02  Michael Matz  <matz@suse.de>
6512         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6513         gsi_replace_with_seq, instead of inserting itself.
6514         * gimple-iterator.c (gsi_replace_with_seq): New function.
6515         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
6516         iterator instead of statement, advance it.
6517         (ssa_forward_propagate_and_combine): Adjust call to above.
6519 2012-05-02  Michael Matz  <matz@suse.de>
6521         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
6522         gimple_seq_alloc.
6523         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
6524         * tree-nested.c (walk_gimple_omp_for): Ditto.
6525         * trans-mem.c (lower_transaction): Ditto.
6526         * tree-eh.c (do_return_redirection): Ditto.
6527         (do_goto_redirection): Ditto.
6528         (lower_try_finally_switch): Ditto.
6529         * gimplify.c (gimplify_stmt): Ditto.
6530         (gimplify_scan_omp_clauses): Ditto.
6531         (gimplify_omp_for): Ditto.
6532         (gimplify_function_tree): Ditto.
6533         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
6534         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
6535         (mf_build_check_statement_for): Ditto.
6536         (mx_register_decls): Ditto.
6537         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
6538         and don't use itertors to append.
6539         (insert_stmts): Ditto.
6540         (insert_out_of_ssa_copy): Ditto.
6541         (insert_out_of_ssa_copy_on_edge): Ditto.
6543 2012-05-02  Michael Matz  <matz@suse.de>
6545         * gimple.h (gimple_bind_body_ptr): New function.
6546         (gimple_bind_body): Use it.
6547         (gimple_catch_handler): Use gimple_catch_handler_ptr.
6548         (gimple_eh_filter_failure_ptr): New function.
6549         (gimple_eh_filter_failure): Use it.
6550         (gimple_eh_else_n_body_ptr): New function.
6551         (gimple_eh_else_n_body): Use it.
6552         (gimple_eh_else_e_body_ptr): New function.
6553         (gimple_eh_else_e_body): Use it.
6554         (gimple_try_eval_ptr): New function.
6555         (gimple_try_eval): Use it.
6556         (gimple_try_cleanup_ptr): New function.
6557         (gimple_try_cleanup): Use it.
6558         (gimple_wce_cleanup_ptr): New function.
6559         (gimple_wce_cleanup): Use it.
6560         (gimple_omp_body_ptr): New function.
6561         (gimple_omp_body): Use it.
6562         (gimple_omp_for_pre_body_ptr): New function.
6563         (gimple_omp_for_pre_body): Use it.
6564         (gimple_transaction_body_ptr): New function.
6565         (gimple_transaction_body): Use it.
6566         (gsi_split_seq_before): Adjust to return nothing and take pointer
6567         to sequence.
6568         (gsi_set_stmt): Declare.
6569         (gsi_replace_with_seq): Declare.
6570         (walk_gimple_seq_mod): Declare.
6571         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
6573         * gimple-iterator.c (gsi_set_stmt): New function.
6574         (gsi_split_seq_before): Return new sequence via pointer argument.
6575         (gsi_replace): Use gsi_set_stmt.
6577         * tree-ssa-loop-im.c (move_computations_stmt): First remove
6578         then insert stmt.
6579         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
6580         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
6581         return new stmt.
6582         (reserve_phi_args_for_new_edge): Change call to above,
6583         use gsi_set_stmt.
6585         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
6586         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
6587         iterators.  Adjust call to lower_omp.
6588         (lower_lastprivate_clauses): Adjust call to lower_omp.
6589         (lower_reduction_clauses): Ditto.
6590         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
6591         (lower_omp_sections): Don't explicitely count sequence length,
6592         nullify lowered bodies earlier, ensure stmts are part of only
6593         one sequence, adjust call to lower_omp.
6594         (lower_omp_single): Ensure stmts are part of only one sequence,
6595         adjust call to lower_omp.
6596         (lower_omp_master): Ditto.
6597         (lower_omp_ordered): Ditto.
6598         (lower_omp_critical): Ditto.
6599         (lower_omp_for): Ditto.
6600         (lower_omp_taskreg): Ditto, tidy.
6601         (lower_omp_1): Adjust calls to lower_omp.
6602         (execute_lower_omp): Ditto.
6603         (lower_omp): Adjust to take pointer to sequence.
6604         (diagnose_sb_2): Use walk_gimple_seq_mod.
6605         (diagnose_omp_structured_block_errors): Ditto and set possibly
6606         changed function body.
6607         * gimple-low.c (lower_function_body): Set function body after
6608         it stabilizes.
6609         (lower_sequence): Adjust to take pointer to sequence.
6610         (lower_omp_directive): Ensure stmt isn't put twice into the
6611         sequence, adjust call to lower_sequence.
6612         (lower_stmt): Adjust calls to lower_sequence.
6613         (lower_gimple_bind): Ditto.
6614         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
6615         * tree-nested.c (walk_body): Take pointer to sequence, use
6616         walk_gimple_seq_mod.
6617         (walk_function): Adjust call to walk_body, set possibly changed body.
6618         (walk_gimple_omp_for): Adjust calls to walk_body.
6619         (convert_nonlocal_omp_clauses): Ditto.
6620         (convert_nonlocal_reference_stmt): Ditto.
6621         (convert_local_omp_clauses): Ditto.
6622         (convert_local_reference_stmt): Ditto.
6623         (convert_tramp_reference_stmt): Ditto.
6624         (convert_gimple_call): Ditto.
6625         (convert_nl_goto_reference): Use local iterator copy.
6626         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
6627         but taking pointer to sequence, ensure gsi_start is called with
6628         callers lvalue.
6629         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
6630         asserting that the sequence head didn't change.
6631         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
6632         walk_gimple_seq_mod.
6633         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
6634         (execute_lower_tm): Ditto, and set possibly changed body.
6635         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
6636         call gsi_start with that lvalue.
6637         (replace_goto_queue_stmt_list): Ditto.
6638         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
6639         (replace_goto_queue): Ditto.
6640         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
6641         (lower_try_finally_onedest): Ditto.
6642         (lower_try_finally_copy): Ditto.
6643         (lower_try_finally_switch): Ditto.
6644         (lower_try_finally): Ditto.
6645         (lower_eh_filter): Ditto.
6646         (lower_eh_must_not_throw): Ditto.
6647         (lower_cleanup): Ditto.
6648         (lower_eh_constructs_2): Ditto.
6649         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
6650         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
6651         set possibly changed body.
6652         (optimize_double_finally): Call gsi_start with lvalue.
6654         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
6655         (gimple_split_block): Ditto.
6656         (gimple_merge_blocks): Use gsi_start_phis.
6657         (move_stmt_r): Use walk_gimple_seq_mod.
6658         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
6659         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
6660         (rebuild_cgraph_edges): Ditto.
6661         (cgraph_rebuild_references): Ditto.
6662         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
6663         * tree-inline.c (copy_phis_for_bb): Ditto.
6664         * tree-ssa-dce.c: Ditto.
6666         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
6668 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
6669             Andi Kleen <ak@linux.intel.com>
6671         * coretypes.h (MEMMODEL_MASK): New.
6672         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
6673         and return new variable.
6674         (expand_builtin_atomic_exchange):  Mask memmodel values.
6675         (expand_builtin_atomic_compare_exchange): Ditto.
6676         (expand_builtin_atomic_load): Ditto.
6677         (expand_builtin_atomic_store): Ditto.
6678         (expand_builtin_atomic_clear): Ditto.
6679         * doc/extend.texi: Mention port-dependent memory model flags.
6680         * config/i386/cpuid.h (bit_HLE): New.
6681         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
6682         HLE support.
6683         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
6684         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
6685         (ix86_target_string)<-mhle>: New.
6686         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
6687         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
6688         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
6689         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
6690         enabled for generic, generic64 and core-avx2.
6691         (ix86_print_operand): Generate HLE lock prefixes.
6692         (ix86_memmodel_check): New.
6693         (TARGET_MEMMODEL_CHECK): Ditto.
6694         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
6695         (IX86_HLE_ACQUIRE): Ditto.
6696         (IX86_HLE_RELEASE): Ditto.
6697         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
6698         * config/i386/i386.opt (mhle): Ditto.
6699         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
6700         success model to instruction emitter.
6701         (atomic_fetch_add<mode>): Ditto.
6702         (atomic_exchange<mode>): Ditto.
6703         (atomic_add<mode>): Ditto.
6704         (atomic_sub<mode>): Ditto.
6705         (atomic_<code><mode>): Ditto.
6706         (*atomic_compare_and_swap_doubledi_pic): Ditto.
6707         (atomic_compare_and_swap_single<mode>): Define and use argument
6708         for success model.
6709         (atomic_compare_and_swap_double<mode>): Ditto.
6710         * configure.ac: Check if assembler support HLE prefixes.
6711         * configure: Regenerate.
6712         * config.in: Ditto.
6714 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
6716         PR middle-end/53153
6717         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
6718         split out from ...
6719         (gimplify_switch_expr): ... here.
6720         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
6721         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
6722         to clean up case labels with values outside the index type range.
6723         (simplify_gimple_switch): Call it if something changed.
6724         Remove strange and unnecessary assert.
6726 2012-05-02  Richard Guenther  <rguenther@suse.de>
6728         * fold-const.c (div_if_zero_remainder): sizetypes no longer
6729         sign-extend.
6730         (int_const_binop_1): New worker for int_const_binop with
6731         overflowable parameter.  Pass it through to force_fit_type_double.
6732         (int_const_binop): Wrap around int_const_binop_1 with overflowable
6733         equal to one.
6734         (size_binop_loc): Call int_const_binop_1 with overflowable equal
6735         to minus one, forcing overflow detection for even unsigned types.
6736         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
6737         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
6738         * stor-layout.c (initialize_sizetypes): sizetypes no longer
6739         sign-extend.
6740         (layout_type): For zero-sized arrays ignore overflow on the
6741         size calculations.
6742         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
6743         (bit_value_binop_1): Likewise.
6744         * tree.c (double_int_to_tree): Likewise.
6745         (double_int_fits_to_tree_p): Likewise.
6746         (force_fit_type_double): Likewise.
6747         (host_integerp): Likewise.
6748         (int_fits_type_p): Likewise.
6749         * varasm.c (output_constructor_regular_field): Sign-extend the
6750         field-offset to cater for negative offsets produced by the Ada
6751         frontend.
6752         * omp-low.c (extract_omp_for_data): Convert the loop step to
6753         signed for pointer adjustments.
6755 2012-05-02  Richard Guenther  <rguenther@suse.de>
6757         * tree.c (valid_constant_size_p): New function.
6758         * tree.h (valid_constant_size_p): Declare.
6759         * cfgexpand.c (expand_one_var): Adjust check for too large
6760         variables by using valid_constant_size_p.
6761         * varasm.c (assemble_variable): Likewise.
6763         * c-decl.c (grokdeclarator): Properly check for sizes that
6764         cover more than half of the address-space.
6766 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
6768         PR tree-optimization/53163
6769         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
6770         return value from compute_all_dependences.
6772         PR rtl-optimization/53160
6773         * ree.c (combine_reaching_defs): Handle the case where cand->insn
6774         has been modified by ree pass already.
6776 2012-05-01  Ian Lance Taylor  <iant@google.com>
6778         PR c/37303
6779         * c-decl.c (build_compound_literal): Make the decl readonly if it
6780         an array of a readonly type.
6781         * gimplify.c (gimplify_compound_literal_expr): Add fallback
6782         parameter.  Change all callers.  If the decl is not addressable
6783         and is not an l-value, make it readonly.
6785 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
6787         * ira.c (allocated_reg_info_size): New static variable.
6788         (expand_reg_info): Manage it. Call
6789         setup_preferred_alternate_classes_for_new_pseudos.
6790         (ira): Don't do it here.  Remove local allocated_reg_info_size,
6791         set the global before calling find_moveable_pseudos.
6792         (find_moveable_pseudos): Call expand_reg_info rather than
6793         resize_reg_info.
6795 2012-05-01  Richard Henderson  <rth@redhat.com>
6797         * common.opt (fsync-libcalls): New.
6798         * doc/invoke.texi: Document it.
6799         * optabs.c (init_sync_libfuncs): Honor it.
6801 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
6802             Richard Sandiford  <r.sandiford@uk.ibm.com>
6804         PR rtl-optimization/52543
6805         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
6806         lower-subreg.h.
6807         * lower-subreg.h: New file.
6808         * target-globals.h (this_target_lower_subreg): Declare.
6809         (target_globals): Add lower_subreg;
6810         (restore_target_globals): Restore this_target_lower_subreg.
6811         * target-globals.c: Include it.
6812         (default_target_globals): Add default_target_lower_subreg.
6813         (save_target_globals): Initialize target_lower_subreg.
6814         * rtl.h (init_lower_subreg): Added declaration.
6815         * toplev.c (backend_init_target): Call initializer for lower-subreg
6816         pass.
6817         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
6818         (default_target_lower_subreg): New variable.
6819         (this_target_lower_subreg): Likewise.
6820         (twice_word_mode, choices): New macros.
6821         (shift_cost, compute_splitting_shift, compute_costs)
6822         (init_lower_subreg): New functions.
6823         (resolve_simple_move): Add speed_p argument.  Check choices.
6824         (find_pseudo_copy): Don't check the mode size here.
6825         (resolve_simple_move): Assert the mode size.
6826         (find_decomposable_shift_zext): Add speed_p argument and return
6827         a bool.  Check choices.
6828         (resolve_shift_zext): Add comment.
6829         (dump_shift_choices, dump_choices): New functions.
6830         (decompose_multiword_subregs): Dump list of profitable
6831         transformations.  Add code to skip non profitable transformations.
6832         Update calls to simple_move and find_decomposable_shift_zext.
6834 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
6835             Sameera Deshpande  <sameera.deshpande@arm.com>
6836             Greta Yorsh  <greta.yorsh@arm.com>
6838         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
6839         (thumb1_unexpanded_epilogue): ...this.
6840         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
6841         (thumb1_unexpanded_epilogue): ...this.
6842         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
6843         (thumb1_unexpanded_epilogue): ...this.
6845 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
6847         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
6848         comparing enumeration values.  Update comments.
6850 2012-05-01  Alan Modra  <amodra@gmail.com>
6852         PR target/53038
6853         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
6854         load_cr_save, add_crlr_cfa_restore): New functions.
6855         (rs6000_restore_saved_cr): Rename to..
6856         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
6857         (rs6000_emit_epilogue): Use new functions.  Adjust condition
6858         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
6859         regs when using out-of-line restore only when shrink wrapping.
6861 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
6863         PR middle-end/53136
6864         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
6865         calls to cgraph_node_name in xstrdup.
6866         (ipa_make_edge_direct_to_target): Ditto.
6867         * cgraph.c (dump_cgraph_node): Ditto.
6868         * tree-sra.c (convert_callers_for_node): Ditto.
6869         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
6870         * ipa-cp.c (perhaps_add_new_callers): Ditto.
6871         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
6872         (cgraph_materialize_all_clones): Ditto.
6873         * ipa-inline.c (report_inline_failed_reason): Ditto.
6874         (want_early_inline_function_p): Ditto.
6875         (edge_badness): Ditto.
6876         (update_edge_key): Ditto.
6877         (flatten_function): Ditto.
6878         (ipa_inline): Ditto.
6879         (inline_always_inline_functions): Ditto.
6880         (early_inline_small_functions): Ditto.
6882 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
6884         PR target/53141
6885         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
6886         constraints 0 and 1.
6888 012-04-30  Jan Hubicka  <jh@suse.cz>
6890         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
6891         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
6892         (cgraph_add_to_same_comdat_group): Remove.
6893         (cgraph_add_asm_node): Move to cgraphunit.c.
6894         (cgraph_make_decl_local): Move to symtab.c
6895         (cgraph_make_node_local_1): Update.
6896         (cgraph_can_remove_if_no_direct_calls_and): Update.
6897         (used_from_object_file_p): Update.
6898         (resolution_used_from_other_file_p): Move to symtab.c
6899         (cgraph_used_from_object_file_p): move to symtab.c
6900         (verify_cgraph_node): Verify same comdat groups.
6901         * cgraph.h (cgraph_asm_node): Rename to ...
6902         (asm_node): ... this one.
6903         (cgraph_asm_nodes): Rename to ...
6904         (asm_nodes): ... this one.
6905         (symtab_add_to_same_comdat_group): New function.
6906         (symtab_dissolve_same_comdat_group_list): New function.
6907         (symtab_used_from_object_file_p): Declare.
6908         (symtab_make_decl_local): Declare.
6909         (cgraph_add_to_same_comdat_group): Remove.
6910         (cgraph_add_asm_node): Remove.
6911         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
6912         Remove.
6913         (cgraph_finalize_compilation_unit): Rename to ...
6914         (finalize_compilation_unit): ... this one.
6915         (cgraph_optimize): Rename to ....
6916         (compile): ... this one.
6917         (add_asm_node): Declare.
6918         (fixup_same_cpp_alias_visibility): Declare.
6919         (cgraph_make_decl_local): Remove.
6920         (varpool_assemble_pending_decls): Rename to ...
6921         (varpool_output_variables): ... this one.
6922         (varpool_remove_unreferenced_decls): Remove.
6923         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
6924         (preserve_function_body_p): Make static.
6925         * toplev.c (compile_file): Update comments; update.
6926         * cgraphunit.c: Update comments.
6927         (cgraph_expand_all_functions): Rename to ...
6928         (expand_all_functions): ... this one; update.
6929         (cgraph_mark_functions_to_output): Rename to ...
6930         (mark_functions_to_output): ... this one; cleanup.
6931         (cgraph_output_pending_asms): Remove prototype.
6932         (asm_nodes, asm_last_node): New static vars.
6933         (cgraph_process_new_functions): Update.
6934         (cgraph_reset_node): Cleanup; add comment.
6935         (cgraph_add_new_function): Update.
6936         (cgraph_output_pending_asms): Rename to ...
6937         (output_asm_statements): ... this one.
6938         (add_asm_node): New function.
6939         (fixup_same_cpp_alias_visibility): New function based on code
6940         in cgraph_analyze_function.
6941         (cgraph_analyze_function): Use it.
6942         (cgraph_order_sort): Update.
6943         (cgraph_output_in_order): Update.
6944         (cgraph_function_versioning): Update.
6945         (cgraph_optimize): Rename to ...
6946         (compile): ... this one; initialize streamer hooks here.
6947         (cgraph_finalize_compilation_unit): Rename to ...
6948         (finalize_compilation_unit): ... this one; do not initialize streamer
6949         hook here.
6950         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
6951         * dwarf2out.c: Update ocmment.
6952         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
6953         * method.c (use_thunk): Likewise.
6954         * semantics.c (maybe_add_lambda_conv_op): Likewise.
6955         * decl2.c (maybe_emit_vtables): Likewise.
6956         (cp_write_global_declarations): Use finalize_compilation_unit.
6957         * parser.c (cp_parser_asm_definition): Use add_asm_node.
6958         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
6959         * c-decl.c (c_write_global_declarations): Use
6960         finalize_compilation_unit.
6961         * langhooks.c (write_global_declarations): Update.
6962         * ipa.c (cgraph_externally_visible_p): Update.
6963         (dissolve_same_comdat_group_list): Remove.
6964         (function_and_variable_visibility): Update.
6965         * symtab.c: Inlcude lto-streamer.h and rtl.h
6966         (ld_plugin_symbol_resolution_names): New.
6967         (symtab_add_to_same_comdat_group): New.
6968         (symtab_dissolve_same_comdat_group_list): New.
6969         (resolution_used_from_other_file_p): Move here from cgraph.c
6970         (symtab_used_from_object_file_p): New.
6971         (symtab_make_decl_local): New.
6972         * passes.c (register_pass): Update comments.
6973         * c-parser.c (c_parser_asm_definition): Update.
6974         * varpool.c (varpool_analyze_node): Use
6975         fixup_same_cpp_alias_visibility.
6976         (varpool_remove_unreferenced_decls): Make static.
6977         (varpool_assemble_pending_decls): Rename to ...
6978         (varpool_output_variables): ... this one; call
6979         varpool_remove_unreferenced_decls.
6980         (varpool_used_from_object_file_p): Remove.
6982 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
6984         PR c++/51033
6985         * c-typeck.c (build_array_ref): Call
6986         convert_vector_to_pointer_for_subscript.
6987         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
6989 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
6991         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
6992         to compile-time "mode == <MODE>mode" checks.
6993         (and splitter): Ditto.
6995 2012-04-30  Richard Henderson  <rth@redhat.com>
6997         * config/arm/arm.md (UNSPEC_LL): New.
6998         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
6999         (arm_load_exclusivedi): Use %H0.
7001 2012-04-30  Jason Merrill  <jason@redhat.com>
7003         * dwarf2out.c (comdat_symbol_id): Add const.
7004         (union die_symbol_or_type_node): Add const to die_symbol.
7005         (output_die_symbol, output_die, output_comp_unit): Adjust.
7007 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
7009         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
7010         * config/arm/neon.md (negdi2_neon): New insn.
7011         Also add splitters for core and NEON registers.
7013 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
7015         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
7016         (arm_print_operand): Add 'x' format.
7017         * config/arm/constraints.md (Dn): Allow const_int.
7018         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
7019         Use 'x' format to print constants.
7020         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
7021         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
7022         is enabled.
7023         (movdi_vfp_cortexa8): Likewise.
7025 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
7026             Sameera Deshpande  <sameera.deshpande@arm.com>
7027             Greta Yorsh  <greta.yorsh@arm.com>
7029         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
7030         * config/arm/arm.c (ldm_stm_operation_p): New function.
7031         * config/arm/predicates.md (load_multiple_operation): Update predicate.
7032         (store_multiple_operation): Likewise.
7034         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
7035         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
7036         * config/arm/predicates.md (load_multiple_operation): Add arguments.
7037         (store_multiple_operation): Likewise.
7039 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
7041         * config/i386/i386.md (and<mode>3): Expand masking operations with
7042         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
7043         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
7045 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
7047         Add -Wvarargs option
7048         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
7049         argument for the various warning_at calls.
7050         * docs/invoke.texi: Update the documentation.
7052 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
7054         Switch -ftrack-macro-expansion=2 on by default.
7055         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
7056         by default.
7058         Fix va_start related location
7059         * builtins.c (fold_builtin_next_arg): Unwinds to the first
7060         location in real source code.
7062         Make conversion warnings work on NULL with -ftrack-macro-expansion
7063         * input.h (expansion_point_location_if_in_system_header): Declare
7064         new function.
7065         * input.c (expansion_point_location_if_in_system_header): Define it.
7067         Fix -Wuninitialized for -ftrack-macro-expansion
7068         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
7069         declaration.  Use linemap_location_before_p for source locations.
7071         Strip "<built-in>" loc from displayed expansion context
7072         * input.c (expand_location_1): When expanding to spelling location
7073         in a context of a macro expansion, skip reserved system header
7074         locations.  Update comments.  * tree-diagnostic.c
7075         (maybe_unwind_expanded_macro_loc): Likewise.
7077         Make expand_location resolve to locus in main source file
7078         * input.c (expand_location_1): New.  Takes a parameter to choose
7079         whether to resolve the location to spelling or expansion point.
7080         Was factorized from ...
7081         (expand_location): ... here.
7082         (expand_location_to_spelling_point): New.  Implemented in terms of
7083         expand_location_1.
7084         * diagnostic.c (diagnostic_build_prefix): Use the new
7085         expand_location_to_spelling_point instead of expand_location.
7087         Fix PCH crash on GTYed pointer-to-scalar field of a struct
7088         * gengtype.c (write_types_process_field): Force second argument of
7089         the call to the PCH object hierarchy walker to be 'x'.
7091 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
7093         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
7094         predicate to discriminate types.
7096 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7098         * doc/invoke.texi (Wmissing-format-attribute): Document as an
7099         alias of Wsuggest-attribute=format.
7100         * c-typeck.c (convert_for_assignment): Replace
7101         Wmissing-format-attribute with Wsuggest-attribute=format.
7102         (digest_init): Likewise.
7104 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7106         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
7107         * common.opt (Wmissing-noreturn): Alias of
7108         -Wsuggest-attribute=noreturn.
7110 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
7112         PR target/53156
7113         * config/cris/cris.md (andqu): New peephole2.
7114         (andu): Tweak head comment.
7116 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7117             Steven Bosscher  <steven@gcc.gnu.org>
7118             Maxim Kuvyrkov  <maxim@codesourcery.com>
7120         PR tree-optimization/38785
7121         * common.opt (ftree-partial-pre): New option.
7122         * doc/invoke.texi: Document it.
7123         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
7124         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
7125         benefit speed path.
7126         (execute_pre): Use flag_tree_partial_pre.
7128 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7130         PR target/52999
7131         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
7132         in constant pool.
7134 2012-04-27  Ollie Wild  <aaw@google.com>
7136         * doc/invoke.texi (Wliteral-suffix): Document new option.
7138 2012-04-27  Tom Tromey  <tromey@redhat.com>
7140         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
7141         (dwarf_tag_name): Use get_DW_TAG_name.
7142         (dwarf_attr_name): Use get_DW_AT_name.
7143         (dwarf_form_name): Use get_DW_FORM_name.
7144         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
7146 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
7148         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
7149         arguments are -1 and 0, by negating the result of the conditional.
7151 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
7153         PR target/53138
7154         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
7156 2012-04-27  Richard Guenther  <rguenther@suse.de>
7158         * tree-flow.h (is_hidden_global_store): Remove.
7159         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
7160         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
7161         (stmt_may_clobber_global_p): Likewise.
7162         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
7163         (stmt_may_clobber_global_p): Likewise.
7164         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
7165         stmt_may_clobber_global_p.
7166         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
7168 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
7170         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
7171         place.
7173         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
7174         reorganize some fields and update comments.  Rename bit_test_uniq
7175         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
7176         (collect_switch_conv_info): New function, collects info about a
7177         GIMPLE_SWITCH into a struct switch_conv_info.
7178         (check_range): Simplify to use pre-recorded info.  Fix think-o in
7179         range-branch ratio check.
7180         (check_process_case): Remove function.
7181         (check_all_empty_except_final): New function, verifies that all
7182         non-final basic blocks are empty.
7183         (process_switch): Simplify to use pre-recorded info.  Call
7184         collect_switch_conv_info to do that.  Assert that degenerate switch
7185         statements have been cleaned up.
7187 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
7189         PR middle-end/27139
7190         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
7192 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7194         PR c/53130
7195         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
7197 2012-04-27  Tom de Vries  <tom@codesourcery.com>
7199         PR tree-optimization/51879
7200         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
7201         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
7202         of ...
7203         (defs_to_varying): ... here.  Don't set use_processed.
7204         (visit_reference_op_call): Handle gimple_vdef.
7205         Handle case that lhs is NULL_TREE.
7206         (visit_use): Use mark_use_processed.  Handle calls with side-effect
7207         using visit_reference_op_call.
7209 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
7211         * sched-deps.c (fixup_sched_groups): Rename to...
7212         (chain_to_prev_insn): ...this.
7213         (chain_to_prev_insn_p): New function.
7214         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
7216 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
7218         * sched-int.h (_haifa_insn_data): Move priority_status.
7219         Add model_index.
7220         (INSN_MODEL_INDEX): New macro.
7221         * haifa-sched.c (insn_delay): New function.
7222         (sched_regno_pressure_class): Update commentary.
7223         (mark_regno_birth_or_death): Pass the liveness bitmap and
7224         pressure array as arguments, instead of using curr_reg_live and
7225         curr_reg_pressure.  Only update the pressure if the bit in the
7226         liveness set has changed.
7227         (initiate_reg_pressure_info): Always trust the live-in set for
7228         SCHED_PRESSURE_MODEL.
7229         (initiate_bb_reg_pressure_info): Update call to
7230         mark_regno_birth_or_death.
7231         (dep_list_size): Take the list as argument.
7232         (calculate_reg_deaths): New function, extracted from...
7233         (setup_insn_reg_pressure_info): ...here.
7234         (MODEL_BAR): New macro.
7235         (model_pressure_data, model_insn_info, model_pressure_limit)
7236         (model_pressure_group): New structures.
7237         (model_schedule, model_worklist, model_insns, model_num_insns)
7238         (model_curr_point, model_before_pressure, model_next_priority):
7239         New variables.
7240         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
7241         (MODEL_INSN_INFO, MODEL_INSN): New macros.
7242         (model_index, model_update_limit_points_in_group): New functions.
7243         (model_update_limit_points, model_last_use_except): Likewise.
7244         (model_start_update_pressure, model_update_pressure): Likewise.
7245         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
7246         (model_excess_cost, model_dump_pressure_points): Likewise.
7247         (model_set_excess_costs): Likewise.
7248         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
7249         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
7250         schedule as an alternative tie-breaker.  Update the call to
7251         dep_list_size.
7252         (ready_sort): Call model_set_excess_costs.
7253         (update_register_pressure): Update call to mark_regno_birth_or_death.
7254         Rely on that function to check liveness rather than doing it here.
7255         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
7256         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
7257         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
7258         (model_record_pressure, model_record_pressures): New functions.
7259         (model_record_final_pressures, model_add_successors_to_worklist)
7260         (model_promote_predecessors, model_choose_insn): Likewise.
7261         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
7262         (model_start_schedule, model_finalize_pressure_group): Likewise.
7263         (model_end_schedule): Likewise.
7264         (schedule_insn): Say when we're scheduling the next instruction
7265         in the model schedule.
7266         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
7267         (queue_to_ready): Do not add instructions that are
7268         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
7269         Always allow the next instruction in the model schedule to be added.
7270         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
7271         and delay for SCHED_PRESSURE_MODEL too.
7272         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
7273         SCHED_PRIORITY_MODEL, but also take the DFA into account.
7274         (schedule_block): Call model_start_schedule and model_end_schedule.
7275         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
7276         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
7277         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
7278         region_ref_regs.
7279         (sched_finish): Update accordingly.
7280         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
7281         to SCHED_PRESSURE_MODEL.
7282         (add_jump_dependencies): Update call to dep_list_size.
7283         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
7284         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
7285         to SCHED_PRESSURE_MODEL.
7286         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
7287         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
7288         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
7289         handling to SCHED_PRESSURE_MODEL.
7291 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
7293         * common.opt (fsched-pressure-algorithm=): New option.
7294         * flag-types.h (sched_pressure_algorithm): New enum.
7295         * sched-int.h (sched_pressure_p): Replace with...
7296         (sched_pressure): ...this new variable.
7297         * haifa-sched.c (sched_pressure_p): Replace with...
7298         (sched_pressure): ...this new variable.
7299         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
7300         (update_reg_and_insn_max_reg_pressure, schedule_insn)
7301         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
7302         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
7303         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
7304         (sched_analyze_insn): Likewise.
7305         * sched-rgn.c (schedule_region): Likewise.
7306         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
7308 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
7310         * PR middle-end/52997
7311         * ira.c (find_moveable_pseudos): Call resize_reg_info.
7313         PR middle-end/52940
7314         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
7315         * expr.c (convert_move): Honor unsignedp when extending partial int
7316         modes.
7317         * genmodes.c (complete_mode): Don't clear component field of partial
7318         int modes.
7319         (emit_mode_inner): Don't emit it however.
7320         (calc_wider_mode): Partial int modes widen to their component.
7322 2012-04-26  David S. Miller  <davem@davemloft.net>
7324         * config/sparc/niagara4.md: New file.
7325         * config/sparc/sparc.md: Include it.
7326         * config/sparc/sparc.c (niagara4_costs): New processor costs.
7327         (sparc_option_override): Use it.
7328         (sparc_use_sched_lookahead): Return 2 for niagara4.
7329         (sparc_issue_rate): Likewise.
7331         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
7332         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
7333         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
7334         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
7335         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
7336         alignaddrldi_vis): Set type to gsr.
7337         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
7338         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
7339         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
7340         v<vis3_shift_patname><mode>3, fmean16_vis,
7341         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
7342         fucmp<code>8<P:mode>_vis): Set type to fga.
7343         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
7344         * config/sparc/niagara.md: Likewise.
7345         * config/sparc/niagara2.md: Likewise.
7346         * config/sparc/ultra3.md: Likewise, and fix type matching for
7347         us3_ialuX reservation.
7349 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7351         * reload.c (find_reloads): Change the loop nesting when trying an
7352         alternative with swapped operands.
7354 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7356         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
7357         comment. Delete unused parameter first_exp_point_map.
7358         (virt_loc_aware_diagnostic_finalizer): Update call.
7360 2012-04-26  Michael Hope  <michael.hope@linaro.org>
7361             Richard Earnshaw  <rearnsha@arm.com>
7363         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
7364         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
7365         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
7366         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
7368 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
7370         * doc/extend.texi: Document avx2 support.
7371         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
7373 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
7375         PR target/53120
7376         * config/cris/cris.md ("*andhi_lowpart_v32")
7377         ("*andqi_lowpart_v32"): Change first input-only operand from
7378         a (match_operand ...) to (match_dup 0).  Drop alternatives with
7379         const_int-matching constraints for redundancy.
7380         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
7381         three-operand alternative.
7383 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7385         PR target/53110
7386         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
7387         instead expand it as zero extension.
7389 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
7391         PR debug/52857
7392         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
7394 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7396         * common.opt (flag_debug_types_section): Default to 0.
7397         (dwarf_version): Default to 4.
7398         (dwarf_record_gcc_switches): Default to 1.
7399         (dwarf_strict): Default to 0.
7400         * toplev.c (process_options): Don't handle dwarf_strict
7401         or dwarf_version here.
7402         * config/vxworks.c (vxworks_override_options): Don't
7403         test whether dwarf_strict or dwarf_version are negative,
7404         instead test !global_options_set.x_dwarf_*.
7405         * config/darwin.c (darwin_override_options): Default to
7406         dwarf_version 2.
7407         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
7408         and -fno-debug-types-section are now the default.
7410 2012-04-25  Jan Hubicka  <jh@suse.cz>
7412         * cgraphunit.c: Update toplevel comment.
7413         (tree_rest_of_compilation): Merge into cgraph_expand_function.
7414         (cgraph_analyze_function): Make static.
7415         (cgraph_decide_is_function_needed): Make static.
7416         (cgraph_add_new_function): Use expand_function instead of
7417         rest_of_compilation.
7418         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
7419         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
7420         Move to cgraph.c
7421         (cgraph_inline_p): Remove.
7422         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
7423         (init_cgraph): Add comment.
7424         * cgraphbuild.c (record_reference, mark_address, mark_load,
7425         mark_store): Do not call analyze_expr hook.
7426         * cgraph.c: Update toplevel comment.
7427         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
7428         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
7429         Move fere from cgraphunit.c
7430         (cgraph_mark_force_output_node): Move to cgraph.h
7431         * cgraph.h: Reorder so the comments match the function placement.
7432         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
7433         (cgraph_mark_force_output_node): Move here from cgraph.c
7434         * tree.c (free_lang_data): Do not clear analyze_expr hook.
7435         * ipa-inline-transform.c (preserve_function_body_p): New function.
7436         (inline_transform): Update.
7437         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
7438         * langhooks.h (lang_hooks_for_callgraph): Remove.
7439         (lang_hooks): Remove callgraph.
7440         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
7441         * varpool.c: Remove out of date comment.
7442         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
7443         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
7445 2012-04-25  Jan Hubicka  <jh@suse.cz>
7447         PR middle-end/53089
7448         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
7449         forward declaration.
7450         (cgraph_finalize_function): Finalize them here.
7451         * symtab.c (dump_symtab): Dump ctors and dtors.
7453 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7455         PR middle-end/52979
7456         * stor-layout.c (get_best_mode): Don't return mode with bitsize
7457         larger than maxbits.  Don't compute maxbits modulo align.
7458         Also check that unit bytes long store at bitpos / unit * unit
7459         doesn't affect bits beyond bitregion_end.
7460         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
7461         would not fit into bitregion_start ... bitregion_end + 1 bit region.
7462         (store_split_bit_field): Decrease unit close to end of bitregion_end
7463         if access is restricted in order to avoid mutual recursion.
7465         PR tree-optimization/53058
7466         * double-int.h (double_int_max_value, double_int_min_value): New
7467         prototypes.
7468         * double-int.c (double_int_max_value, double_int_min_value): New
7469         functions.
7470         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
7471         or GT_EXPR with double_int_max_value instead of double_int_mask.
7473 2012-04-25  Richard Guenther  <rguenther@suse.de>
7475         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
7476         * tree-vect-loop.c (vect_transform_loop): Adjust.
7477         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
7478         the maximum number of iterations for the epilogue loop.
7479         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
7481 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7483         PR c/52880
7484         * c-typeck.c (set_nonincremental_init,
7485         set_nonincremental_init_from_string): Pass true instead of false
7486         as IMPLICIT to add_pending_init.
7488 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7490         * c-typeck.c (pop_init_level): Improve diagnostics.
7492 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
7494         * compare-elim.c (try_eliminate_compare): Also handle operands with
7495         implicit extensions.
7497 2012-04-25  Alan Modra  <amodra@gmail.com>
7499         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
7500         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
7501         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
7502         (no_global_regs_above): Delete.
7503         (no_global_regs): New function.
7504         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
7505         value for load multiple test.
7506         (savres_routine_syms): Increase size.
7507         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
7508         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
7509         rather than a number of boolean flags.  Update all callers.
7510         (rs6000_savres_routine_name): Generate vector save/restore names.
7511         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
7512         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
7513         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
7514         and using_store_multiple.  Expand uses.  Don't always use r11 as
7515         frame reg when needed for out-of-line saves.  Set up initial offset
7516         for out-of-line vector saves when buying stack frame.  Handle pointer
7517         reg setup for out-of-line fp save.  Emit call to out-of-line vector
7518         save function.  Choose r11 or r12 for vrsave reg when available for
7519         better scheduling.
7520         (rs6000_output_function_prologue): Don't emit .extern for ELF.
7521         (rs6000_emit_epilogue): Choose a better frame reg when restoring
7522         from back-chain to suit out-of-line vector restore functions.  Emit
7523         call to out-of-line vector restore function.  Adjust register used
7524         for cr restore.  Tweak pointer register setup for gpr restore.
7525         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
7526         FIXED_R13.
7527         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
7528         (V_SAVE_INLINE): Define.
7529         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
7531 2012-04-25  Alan Modra  <amodra@gmail.com>
7533         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
7534         out-of-line save/restore for large frames.  Don't disable
7535         out-of-line saves on ABI_AIX when using static chain reg.
7536         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
7537         clobber static chain reg, and tweak for out-of-line gpr saves
7538         that use r1.
7540 2012-04-25  Alan Modra  <amodra@gmail.com>
7542         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
7543         (rs6000_emit_prologue): Use the above to catch register overlap.
7545 2012-04-25  Alan Modra  <amodra@gmail.com>
7547         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
7548         decl.  Move logic selecting update reg to callers.  Update all callers.
7549         (rs6000_emit_allocate_stack): Add copy_off param.
7550         (emit_frame_save): Don't handle reg+reg addressing.
7551         (ptr_regno_for_savres): New function, extracted from..
7552         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
7553         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
7554         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
7555         frame offset adjustment for out-of-line save with copy from sp.
7556         Simplify condition controlling whether cr is saved early or
7557         late.  Use ptr_regno_for_savres to verify correct reg is set
7558         up for out-of-line saves.  Pass the actual pointer reg used to
7559         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
7560         function.  Rearrange spe vars so code is similar to that
7561         elsewhere in this function.  Don't update frame_off when spe
7562         save code will restore r11.  Use emit_frame_save for spe and
7563         gpr saves.  Consolidate darwin out-of-line gpr setup with that
7564         for other abis.  Don't assume frame_offset is zero and frame
7565         reg is sp when setting up altivec reg saves, and calculate
7566         exact offset requirement.
7567         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
7568         spe restore code.  Consolidate darwin out-of-line gpr setup
7569         with that for other abis.
7571 2012-04-25  Alan Modra  <amodra@gmail.com>
7573         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
7574         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
7575         the replacement.
7576         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
7577         frame_reg_to_sp.
7578         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
7579         and emit_frame_save calls.  Cope with possibly missing note.
7581 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
7583         * config/i386/i386.c (build_processor_model_struct): New function.
7584         (make_var_decl): New function.
7585         (fold_builtin_cpu): New function.
7586         (ix86_fold_builtin): New function.
7587         (make_cpu_type_builtin): New function.
7588         (ix86_init_platform_type_builtins): New function.
7589         (ix86_expand_builtin): Expand new builtins by folding them.
7590         (ix86_init_builtins): Make new builtins to detect CPU type.
7591         (TARGET_FOLD_BUILTIN): New macro.
7592         (IX86_BUILTIN_CPU_INIT): New enum value.
7593         (IX86_BUILTIN_CPU_IS): New enum value.
7594         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
7595         * config/i386/i386-builtin-types.def: New function type.
7596         * testsuite/gcc.target/builtin_target.c: New testcase.
7597         * doc/extend.texi: Document builtins.
7599 2012-04-24  Olivier Hainque  <hainque@adacore.com>
7601         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
7602         * toplev.c (process_options): Default to dwarf_version 2.
7603         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
7604         and dwarf_version 2.
7606 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7608         * tree-pretty-print.h (default_tree_printer): Do not declare.
7609         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
7610         intl.h.
7611         (default_tree_diagnostic_starter): Make static.
7612         (default_tree_printer): Move to here. Make static.
7613         (tree_diagnostics_defaults): New.
7614         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
7615         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
7616         * toplev.c: Do not include tree-pass.h.
7617         (default_tree_printer): Move from here.
7618         (general_init): Use tree_diagnostics_defaults.
7620 2012-04-24  Chao-ying Fu  <fu@mips.com>
7622         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
7623         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
7624         * config/mips/gnu-user.h
7625         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
7626         (GNU_USER_TARGET_LINK_SPEC): New define.
7627         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
7628         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
7629         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
7630         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
7631         GNU_USER_TARGET_ENDFILE_SPEC.
7632         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
7633         (GNU_USER_TARGET_LINK_SPEC): New define.
7634         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
7635         * config/mips/linux-common.h: New file.
7637 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7639         PR target/47197
7640         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
7641         (altivec_build_resolved_builtin): Call fully_fold_convert.
7643 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
7645         PR target/53065
7646         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
7648 2012-04-24  Richard Guenther  <rguenther@suse.de>
7650         PR tree-optimization/53085
7651         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
7652         stores.
7654 2012-04-24  Richard Guenther  <rguenther@suse.de>
7656         * tree-if-conv.c (main_tree_if_conversion): Move bb under
7657         ENABLE_CHECKING.
7659 2012-04-24  Jim Meyering  <meyering@redhat.com>
7661         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
7662         absence of an define_enum call.
7664 2012-04-24  Richard Guenther  <rguenther@suse.de>
7666         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
7667         the epilogue loop is not re-used as unvectorized version
7668         record the its maximum number of iterations.
7670 2012-04-24  Andrew Pinski  <apinski@cavium.com>
7672         * tree-ssa-forwprop.c (simplify_bitwise_binary):
7673         Don't directly use def1/def2.
7675 2012-04-24  Richard Guenther  <rguenther@suse.de>
7677         PR tree-optimization/53098
7678         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
7679         comparison sign.
7681 2012-04-24  Andrew Pinski  <apinski@cavium.com>
7683         PR tree-opt/33512
7684         * tree-ssa-forwprop.c (defcodefor_name): New function.
7685         (simplify_bitwise_binary): Use defcodefor_name instead of manually
7686         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
7687         Simplify "(~X | Y) & X" to "X & Y" and
7688         "(~X & Y) | X" to "X | Y".
7690 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7692         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
7693         validate_change to add clobbers if IN_GROUP is nonzero.
7694         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
7695         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
7696         prototype.
7697         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
7698         set to false.
7699         * config/s390/s390.c (insn_invalid_p): Likewise.
7701 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
7703         PR middle-end/53084
7704         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
7705         (output_addressed_constants): Likewise.
7707         PR middle-end/52999
7708         * varasm.c (get_section): Don't ICE for section conflicts with
7709         built-in section kinds.
7711 2012-04-23  DJ Delorie  <dj@redhat.com>
7713         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
7714         (LIBSTDCXX): Change to CPP2.
7716 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
7718         PR bootstrap/52878
7719         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
7720         extra_masks.
7722 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
7724         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
7725         (*addsi_2_zext): Ditto.
7726         (*add<mode>_3): Ditto.
7727         (*addsi_3_zext): Ditto.
7728         (*add<mode>_5): Ditto.
7730 2012-04-23  Andrew Pinski  <apinski@cavium.com>
7732         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
7733         (C & B) to (A OP0) & B.
7735 2012-04-23  Martin Jambor  <mjambor@suse.cz>
7737         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
7738         temporaries created for a bitfield (reverting revision 122014).
7740 2012-04-23  Richard Guenther  <rguenther@suse.de>
7742         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
7743         the condition using is_gimple_condexpr and avoid the not necessary
7744         boolification.
7745         (set_prologue_iterations): Likewise.
7746         (vect_loop_versioning): Likewise.
7748 2012-04-23  Richard Guenther  <rguenther@suse.de>
7750         PR tree-optimization/53070
7751         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
7752         (main_tree_if_conversion): Verify we succeeded in that.
7754 2012-04-23  Jan Hubicka  <jh@suse.cz>
7756         * lto-symtab.c (lto_cgraph_replace_node): Do not call
7757         mark_reahcable_node.
7758         * cgraph.c (cgraph_remove_node): Do not clear reachable.
7759         (cgraph_mark_reachable_node): Remove.
7760         (cgraph_mark_force_output_node): Do not set reachable.
7761         (dump_cgraph_node): Do not dump reachable.
7762         (cgraph_create_virtual_clone): Do not set reachable.
7763         * cgraph.h (cgraph_node): Remove reachable flag.
7764         (varpool_node): Remove reachable flag.
7765         (cgraph_mark_if_needed): Remove.
7766         (cgraph_mark_reachable_node): Remove.
7767         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
7768         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
7769         reachable.
7770         (cgraph_add_new_function): Likewise.
7771         (cgraph_mark_if_needed): Remove.
7772         (cgraph_analyze_function): Do not set target as reachable.
7773         (process_function_and_variable_attributes): Do not care about
7774         dllexport.
7775         (cgraph_analyze_functions): Do not set reachable flags.
7776         (cgraph_mark_functions_to_output): Do not check reachability.
7777         (cgraph_copy_node_for_versioning): Do not set reachable flag.
7778         (dbxout_expand_expr): Update.
7779         * c-decl.c (merge_decls): Do not track changed externs.
7780         * ipa.c: Include pointer-set.h
7781         (enqueue_cgraph_node): Use reachable pointer set.
7782         (process_references): Likewise.
7783         (cgraph_remove_unreachable_nodes): Likewise.
7784         (whole_program_function_and_variable_visibility): Do not recompute
7785         reachable.
7786         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
7788 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
7790         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
7792 2012-04-23  Richard Guenther  <rguenther@suse.de>
7794         PR c/53060
7795         * c-typeck.c (build_binary_op): Fix typo.
7797 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
7799         PR tree-optimizations/52891
7800         * tree-vect-patterns.c (adjust_bool_pattern): Use
7801         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
7802         but with non-standard precision.
7804 2012-04-22  Jan Hubicka  <jh@suse.cz>
7806         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
7807         tree refs.
7809 2012-04-22  Jan Hubicka  <jh@suse.cz>
7811         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
7812         * cgraphbuild.c (record_reference, record_type_list, mark_address,
7813         mark_load, mark_store): Do not mark varpool nodes as needed.
7814         * cgraph.c (cgraph_new_nodes): Remove.
7815         (cgraph_create_function_alias): Do not mark nodes as reachable.
7816         (cgraph_add_thunk): Likewise.
7817         (cgraph_mark_reachable_node): Do not manage the queue.
7818         * cgraph.h (cgraph_node): Remove next_needed.
7819         (varpool_nodes_queue): Remove next_needed and prev_needed.
7820         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
7821         (cgraph_new_nodes): Declare.
7822         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
7823         (varpool_analyze_pending_decls): Remove.
7824         (varpool_analyze_node): New.
7825         (varpool_mark_needed_node): Remove.
7826         (varpool_first_variable, varpool_next_variable): New inlines.
7827         (varpool_first_static_initializer, varpool_next_static_initializer):
7828         Update.
7829         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
7830         (varpool_first_defined_variable): New inline.
7831         (varpool_next_defined_variable): New inline
7832         (FOR_EACH_VARIABLE): Reimplement.
7833         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
7834         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
7835         needed flag.
7836         * cgraphunit.c (cgraph_new_nodes): Declare here.
7837         (enqueue_node): New function.
7838         (cgraph_process_new_functions): update for new
7839         node set; when constructing cgraph enqueue node for processing.
7840         (cgraph_add_new_function): Use new node set.
7841         (process_function_and_variable_attributes): Do not set varpool needed
7842         flags.
7843         (referred_to_p): New function.
7844         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
7845         when varpool is in construction.
7846         (cgraph_analyze_functions): Rewrite.
7847         (cgraph_expand_all_functions): Update.
7848         (cgraph_output_in_order): Do not analyze pending decls; do not set
7849         needed flags.
7850         (cgraph_optimize): Do not analyze pending decls.
7851         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
7852         in other partition; do not mark node as needed.
7853         * dwarf2out.c (reference_to_unused): Use analyzed flag.
7854         (premark_types_used_by_global_vars_helper): Likewise.
7855         * ipa.c (process_references): Do not call varpool_mark_needed_node.
7856         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
7857         cgrpah queues.
7858         (function_and_variable_visibility): Do not mark node as needed.
7859         (whole_program_function_and_variable_visibility): Likewise.
7860         * Makefile.in (gt-varpool.h): No longer needed.
7861         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
7862         (ipa_write_summaries): Do not use needed flag.
7863         * varpool.c: Do not include gt-varpool.h
7864         (x_varpool_nodes_queue, x_varpool_last_needed_node,
7865         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
7866         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
7867         Remove.
7868         (varpool_remove_node): Do not update the lists.
7869         (dump_varpool_node): Do not dump needed flag.
7870         (varpool_enqueue_needed_node): Remove.
7871         (varpool_mark_needed_node): Remove.
7872         (varpool_reset_queue): Remove.
7873         (varpool_finalize_decl): Move to cgraphunit.c
7874         (varpool_analyze_node): New functions based on former
7875         varpool_analyze_pending_decls.
7876         (varpool_analyze_pending_decls): Remove.
7877         (varpool_assemble_decl): Do not update the lists.
7878         (enqueue_node): New function.
7879         (varpool_remove_unreferenced_decls): Rewrite.
7880         (varpool_empty_needed_queue): Remove.
7881         (add_new_static_var): Do not mark node as needed.
7882         (varpool_create_variable_alias): Handle expansion state
7883         creation.
7884         * except.c (output_ttype): Do not mark node as needed.
7885         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
7886         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
7887         Likewise.
7888         * tree-switch-conversion.c (build_one_array): Likewise.
7890 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7892         PR c/44774
7893         * doc/invoke.texi (pedantic): Rename to Wpedantic.
7894         * common.opt (Wpedantic): New.
7895         (pedantic): Alias Wpedantic.
7896         * diagnostic.c (warning_at): Likewise.
7897         * c-decl.c (diagnose_mismatched_decls): Likewise.
7898         (build_array_declarator): Likewise.
7899         (mark_forward_parm_decls):
7900         (check_bitfield_type_and_width): Likewise.
7901         (grokdeclarator): Likewise.
7902         (grokfield): Likewise.
7903         (finish_struct): Likewise.
7904         (build_enumerator): Likewise.
7905         (store_parm_decls_oldstyle): Likewise.
7906         (declspecs_add_qual): Likewise.
7907         (declspecs_add_type): Likewise.
7908         (finish_declspecs): Likewise.
7909         * c-typeck.c (composite_type): Likewise.
7910         (comp_target_types): Likewise.
7911         (build_array_ref): Likewise.
7912         (pointer_diff): Likewise.
7913         (build_unary_op): Likewise.
7914         (build_conditional_expr): Likewise.
7915         (build_c_cast): Likewise.
7916         (convert_for_assignment): Likewise.
7917         (maybe_warn_string_init): Likewise.
7918         (digest_init): Likewise.
7919         (pop_init_level): Likewise.
7920         (set_init_index): Likewise.
7921         (c_finish_goto_label): Likewise.
7922         (c_finish_return): Likewise.
7923         (do_case): Likewise.
7924         (build_binary_op): Likewise.
7925         * c-parser.c (static): Likewise.
7926         (c_parser_external_declaration): Likewise.
7927         (c_parser_declaration_or_fndef): Likewise.
7928         (c_parser_static_assert_declaration_no_se): Likewise.
7929         (c_parser_enum_specifier): Likewise.
7930         (c_parser_struct_or_union_specifier): Likewise.
7931         (c_parser_struct_declaration): Likewise.
7932         (c_parser_alignas_specifier): Likewise.
7933         (c_parser_braced_init): Likewise.
7934         (c_parser_initelt): Likewise.
7935         (c_parser_compound_statement_nostart): Likewise.
7936         (c_parser_conditional_expression): Likewise.
7937         (c_parser_alignof_expression): Likewise.
7938         (c_parser_postfix_expression): Likewise.
7939         (c_parser_postfix_expression_after_paren_): Likewise.
7940         (c_parser_objc_class_instance_variables): Likewise.
7941         (c_parser_objc_method_definition): Likewise.
7942         (c_parser_objc_methodprotolist): Likewise.
7944 2012-04-22  Ian Lance Taylor  <iant@google.com>
7946         * godump.c (go_output_typedef): Dump size of structs.
7948 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
7950         Correcting transform_to_exit_first_loop + fix to PR46886
7951         * tree-parloops.c (transform_to_exit_first_loop): Remove
7952         setting of number of iterations according to the loop pattern.
7953         Duplicate from entry to exit->src instead of loop->latch.
7954         (pallelize_loops): Remove the condition preventing do-while loops.
7955         * tree-cfg.c (bool bb_in_region_p): New.
7956         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
7957         Adjust redirection of the duplicated iteration.
7959 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
7961         PR bootstrap/53021
7962         * rtl.def (ADDRESS): Use "i" rather than "w".
7963         * rtl.h (find_base_term): Delete.
7964         (may_be_sp_based_p): Declare.
7965         * rtl.c (rtx_code_size): Remove ADDRESS special case.
7966         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
7967         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
7968         * alias.c: ...here.
7969         (find_base_term): Make static.
7970         (may_be_sp_based_p): New function.
7971         * dse.c (record_store): Use it.
7972         * store-motion.c (store_killed_in_insn): Likewise.
7974 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
7976         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
7978 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7980         PR 35441
7981         * c-typeck.c (inform_declaration): New.
7982         (build_function_call_vec):  Do not pretty-print
7983         expressions when caret is enabled.
7984         (convert_arguments): Use inform_declaration.
7986 2012-04-20  Jim Meyering  <meyering@redhat.com>
7988         * genmodes.c (make_complex_modes): Don't truncate a mode name of
7989         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
7991 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7993         PR rtl-optimization/44214
7994         * fold-const.c (exact_inverse): New function.
7995         (fold_binary_loc): Fold vector and complex division by constant into
7996         multiply by recripocal with flag_reciprocal_math; fold vector division
7997         by constant into multiply by reciprocal with exact inverse.
7999 2012-04-20  Jan Hubicka  <jh@suse.cz>
8001         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
8002         force flags.
8003         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
8004         (cgraph_remove_node): Update.
8005         (cgraph_mark_needed_node): Remove.
8006         (cgraph_mark_force_output_node): New.
8007         (dump_cgraph_node): Do not dump needed flag.
8008         (cgraph_node_cannot_be_local_p_1): Update.
8009         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
8010         * cgraph.h (symtab_node_base): Add force_output flag.
8011         (cgraph_node): Remove needed flag.
8012         (varpool_node): Remove force_output flag.
8013         (cgraph_mark_needed_node): Remove.
8014         (cgraph_mark_force_output_node): New.
8015         (cgraph_only_called_directly_or_aliased_p,
8016         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
8017         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
8018         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
8019         (cgraph_add_new_function): Update.
8020         (cgraph_mark_if_needed): Update.
8021         (verify_cgraph_node): Update.
8022         (cgraph_analyze_function): Alias target is reachable.
8023         (process_function_and_variable_attributes): Update: externally_visible
8024         flag makes function reachable.
8025         (cgraph_analyze_functions): Update dumping.
8026         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
8027         input_overwrite_node, input_varpool_node): Update streaming.
8028         * lto-streamer-out.c (produce_symtab): Use force_output.
8029         * ipa.c (process_references): Weakrefs must be processed.
8030         (cgraph_remove_unreachable_nodes): Likewise; update for new
8031         force_output flag.
8032         (varpool_externally_visible_p): Weakrefs are externally visible
8033         even if they are not.
8034         (function_and_variable_visibility): Update; when processing alias
8035         pair force the targets to be output.
8036         (whole_program_function_and_variable_visility): Use
8037         mark_reachable_node.
8038         * trans-mem.c (ipa_tm_mark_needed_node): Remove
8039         (ipa_tm_mark_force_output_node): New function.
8040         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
8041         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
8042         aliases.
8043         * varasm.c (mark_decl_referenced): Update.
8044         (find_decl_and_mark_needed): Remove.
8045         (find_decl): New function.
8046         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
8047         alias targets as needed.
8048         (dump_tm_clone_pairs): Update.
8049         * tree-inline.c (copy_bb): Update check.
8050         * symtab.c (dump_symtab_base): Dump force_output.
8051         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
8052         * passes.c (execute_todo): Fix dumping.
8053         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
8054         (varpool_analyze_pending_decls): Alias target is reachable.
8055         (varpool_create_variable_alias): Finalize weakrefs.
8057 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
8059         PR bootstrap/53021
8060         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
8061         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
8062         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
8063         macros instead of constants.
8064         * dse.c (record_store): Check for SP ADDRESS by comparing
8065         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
8066         XEXP to be stack_pointer_rtx.
8068 2012-04-20  Richard Guenther  <rguenther@suse.de>
8070         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
8071         update_call_from_tree when propagating into a call.
8073 2012-04-20  Alan Modra  <amodra@gmail.com>
8075         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
8076         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
8077         sp_offset to frame_off.  Move world save code earlier.
8079 2012-04-20  Richard Guenther  <rguenther@suse.de>
8081         PR tree-optimization/53050
8082         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
8083         Do only one transform on COND_EXPRs at the same time.
8085 2012-04-19  Jan Hubicka  <jh@suse.cz>
8087         * symtab.c (dump_symtab_base): Revert accidental checkin.
8089 2012-04-20  Alan Modra  <amodra@gmail.com>
8091         PR target/53040
8092         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
8093         static chain, set REST_INLINE_FPRS too.
8095 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
8097         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
8098         nodes.
8100 2012-04-20  Richard Guenther  <rguenther@suse.de>
8102         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
8103         loops that can never run more often than the vectorization factor.
8105 2012-04-19  Jan Hubicka  <jh@suse.cz>
8107         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
8109 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
8111         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
8113 2012-04-19  Jim Meyering  <meyering@redhat.com>
8115         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
8116         We verified above that the string(including trailing NUL) fits in buf,
8117         so just use memcpy.
8119 2012-04-19  Richard Guenther  <rguenther@suse.de>
8121         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
8122         for dumping DECL_SECTION_NAME.
8124 2012-04-19  Michael Matz  <matz@suse.de>
8126         PR middle-end/52977
8127         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
8128         (struct tree_vector): Adjust GTY length.
8129         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
8131         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
8132         members.
8133         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
8134         caller emitted the length calulation already.
8135         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
8136         before handling any of the fields for structs.
8138 2012-04-19  Richard Guenther  <rguenther@suse.de>
8140         PR tree-optimization/53031
8141         * tree-vrp.c (adjust_range_with_scev): Revert back to
8142         using max_loop_iterations.
8144 2012-04-19  Michael Matz  <matz@suse.de>
8146         * diagnostic.c (emit_diagnostic): Move va_end call after user
8147         of the va_list.
8148         (warning, warning_at, pedwarn, permerror): Ditto.
8150 2012-04-19  Richard Guenther  <rguenther@suse.de>
8152         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
8153         array access.
8155 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
8157         PR target/53033
8158         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
8159         the case *(X+const).
8161 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
8163         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
8165 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8167         PR c/52283/37985
8168         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
8169         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
8171 2012-04-19  Richard Guenther  <rguenther@suse.de>
8173         PR rtl-optimization/44688
8174         * loop-iv.c (determine_max_iter): Only return max_iter.
8175         (iv_number_of_iterations): Also use the recorded loop bound
8176         on the maximum number of iterations.
8177         * loop-unroll.c (decide_unroll_runtime_iterations): Use
8178         max_iter to avoid unrolling loops that do not roll.
8179         (decide_unroll_stupid): Likewise.
8181 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
8183         * targhooks.c (default_case_values_threshold): Fix code style nit.
8185         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
8186         case range and type folding from here...
8187         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
8188         type, as documented in tree.def.
8190 2012-04-18  Jan Hubicka  <jh@suse.cz>
8192         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
8193         Declare.
8194         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
8195         cgraph hash and same comdat groups.
8196         (cgraph_optimize): Verify symbol table.
8197         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
8198         (dissolve_same_comdat_group_list): Work on symtab nodes.
8199         (function_and_variable_visibility): Dissolve variable same comdat group
8200         lists, too.
8201         * symtab.c: Include timevar.h
8202         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
8204 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
8206         * tree-switch-conversion.c (info): Remove global pass info.
8207         (check_range, check_process_case, check_final_bb, create_temp_arrays,
8208         free_temp_arrays, gather_default_values, build_constructors,
8209         array_value_type, build_one_array, build_arrays, gen_def_assigns,
8210         fix_phi_nodes, gen_inbound_check): Pass info around from ...
8211         (process_switch): ... here.  Unify message format.  Return a const
8212         char pointer to the failure reason message.
8213         (do_switchconv): Unify message format.  Update process_switch usage.
8215         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
8216         * tree-cfg.c (edge_to_cases): Fix documentation.
8218 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
8220         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
8222 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8224         PR tree-optimization/52976
8225         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
8226         (possibly_move_powi): New function.
8227         (rewrite_expr_tree): Call possibly_move_powi.
8228         (rewrite_expr_tree_parallel): Likewise.
8229         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
8230         call add_to_ops_vec instead.
8232 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8234         PR tree-optimization/52976
8235         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
8236         (decrement_power): Likewise.
8237         (propagate_op_to_single_use): Likewise.
8238         (zero_one_operation): Handle __builtin_pow* calls in linearized
8239         expression trees; factor logic into propagate_op_to_single_use.
8240         (undistribute_ops_list): Allow operands with repeat counts > 1.
8242 2012-04-18  Richard Guenther  <rguenther@suse.de>
8244         PR tree-optimization/44688
8245         * cfgloop.h (record_niter_bound): Declare.
8246         * tree-ssa-loop-niter.c (record_niter_bound): Export.
8247         Update the estimation with the upper bound here...
8248         (estimate_numbers_of_iterations_loop): ... instead of here.
8249         Do not forcefully reset a recorded upper bound.
8250         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
8251         Record the maximum number of loop iterations of the prologue loop.
8253 2012-04-18  Jan Hubicka  <jh@suse.cz>
8255         * lto-symtab.c (lto_cgraph_replace_node): Update.
8256         * cgraphbuild.c (record_reference, record_type_list,
8257         record_eh_tables, mark_address, mark_load, mark_store): Update.
8258         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
8259         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
8260         Update.
8261         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
8262         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
8263         * reload.c: Fix typo in comment.
8264         * rtlanal.c: Likewise.
8265         * tree-emultls.c (gen_emutls_addr): Update.
8266         * ipa-reference.c (analyze_function): Update.
8267         * cgraphunit.c (cgraph_analyze_function,
8268         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
8269         Update.
8270         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
8271         (ipa_remove_reference): Likewise.
8272         (ipa_remove_all_refering): Rename to ...
8273         (ipa_remove_all_referring): ... this one; update.
8274         (ipa_dump_references): Update.
8275         (ipa_dump_referring): Update.
8276         (ipa_clone_references): Update.
8277         (ipa_clone_refering): Rename to ...
8278         (ipa_clone_referring): ... this one; update.
8279         (ipa_ref_cannot_lead_to_return): Update.
8280         (ipa_ref_has_aliases_p): Update.
8281         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
8282         forward typedefs.
8283         (ipa_ref_type): Remove.
8284         (ipa_ref_ptr_u): Remove.
8285         (ipa_ref): Remove referencing, refered, refered_index, refering_type
8286         and refered_type; add referring, referred and referred_index.
8287         (ipa_ref_list): Rename refering to referring.
8288         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
8289         ipa_clone_references, ipa_clone_referring): Update prototypes.
8290         * lto-cgraph.c (referenced_from_other_partition_p): Update.
8291         (lto_output_ref): Update.
8292         (add_references): Update.
8293         (input_varpool_node): Update.
8294         (input_refs): Update.
8295         * ipa-ref-inline.h (ipa_ref_node): Update.
8296         (ipa_ref_varpool_node): Update.
8297         (ipa_ref_referring_node): Update.
8298         (ipa_ref_referring_varpool_node): Update.
8299         (ipa_ref_referring_ref_list): Update.
8300         (ipa_ref_referred_ref_list): Update.
8301         (ipa_ref_list_first_referring): Update.
8302         (ipa_empty_ref_list): Update.
8303         (ipa_ref_list_refering_iterate): Rename to ...
8304         (ipa_ref_list_referring_iterate): ... this one.
8305         * cse.c: Update comment.
8306         * ipa-utils.c (ipa_reverse_postorder): Update.
8307         * tree-ssa-alias.c: Update.
8308         * ipa-inline.c (reset_edge_caches): Update.
8309         (update_caller_keys): Update.
8310         * ipa-inline.h: Update comments.
8311         * jump.c: Update comment.
8312         * alias.c: Likewise.
8313         * ipa.c (process_references): Update.
8314         (cgraph_remove_unreachable_nodes): Likewise.
8315         (ipa_discover_readonly_nonaddressable_var): Likewise.
8316         (cgraph_address_taken_from_non_vtable_p): Likewise.
8317         * trans-mem.c (ipa_tm_execute): Update.
8318         * simplify-rtx.c: Fix comment.
8319         * rtl.c: Fix comment.
8320         * symtab.c (symtab_unregister_node): Update.
8321         * varpool.c (dump_varpool_node): Update.
8322         (varpool_analyze_pending_decls): Update.
8323         (assemble_aliases): Update.
8324         (varpool_for_node_and_aliases): Update.
8326 2012-04-18  Richard Guenther  <rguenther@suse.de>
8328         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
8329         use_undefined_p parameter.
8330         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
8331         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
8332         Likewise.
8333         (estimate_numbers_of_iterations): Likewise.
8334         (estimated_loop_iterations): Adjust.
8335         (max_loop_iterations): Likewise.
8336         (scev_probably_wraps_p): Likewise.
8337         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
8338         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
8339         not max_loop_iterations.
8340         (execute_vrp): Remove explicit number of iterations estimation.
8342 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
8344         * config/i386/linux-common.h: New.
8346         * config.gcc: Add i386/linux-common.h before
8347         all i386/linux.h and i386/linux64.h usages.
8349         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
8350         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
8351         * config/i386/gnu-user64.h: Likewise.
8353         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
8354         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
8355         (GNU_USER_TARGET_MATHFILE_SPEC): New.
8356         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
8358 2012-04-18  Jan Hubicka  <jh@suse.cz>
8360         * cgraph.c (cgraph_node_name): Remove.
8361         (dump_cgraph_node): Use dump_symtab_base; reformat.
8362         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
8363         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
8364         Declare.
8365         (cgraph_node_name, varpool_node_name): Remove.
8366         (cgraph_node_asm_name, varpool_node_asm_name,
8367         cgraph_node_name, varpool_node_name): New.
8368         * tree-pass.h (TODO_dump_cgraph): Rename to ...
8369         (TODO_dump_symtab): ... this one.
8370         * ipa-cp (pass_ipa_cp): Update.
8371         * ia-reference.c (generate_summary, read_write_all_from_decl,
8372         propagate, ipa_reference_read_optimization_summary): Update.
8373         * cgraphunit.c (cgraph_analyze_functions): Update.
8374         (cgraph_optimize): Update.
8375         * ipa-ref.c (ipa_dump_references): Update.
8376         (ipa_dump_refering): Update.
8377         * ipa-inline.c (pass_ipa_inline): Update.
8378         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
8379         * ipa.c (pass_ipa_function_visibility,
8380         pass_ipa_whole_program_visibility): Update.
8381         * tree-sra.c (pass_early_ipa_sra): Update.
8382         * symtab.c: Include langhooks.h
8383         (symtab_node_asm_name): New.
8384         (symtab_node_name): New.
8385         (symtab_type_names): New static var.
8386         (dump_symtab_base): New.
8387         (dump_symtab_node, dump_symtab): New.
8388         (debug_symtab_node,  debug_symtab): New.
8389         * tree-ssa-structalias.c: Dump symbol table.
8390         * pases.c (execute_todo): Handle TODO_dump_symtab instead
8391         of TODO_dump_cgraph.
8392         * varpoo.c (varpool_node_name): Remove.
8393         (dump_varpool_node): Use dump_symtab_base; reformat.
8395 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8397         * doc/invoke.texi (Language Independent Options): @item should be
8398         before @opindex.
8400 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
8402         PR bootstrap/53021
8403         * rtl.c (rtx_code_size): Handle ADDRESS.
8405 2012-04-17  Tom de Vries  <tom@codesourcery.com>
8407         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
8408         is not a STMT_LIST.
8410 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
8412         PR target/53020
8413         * config/i386/sync.md (atomic_<code><mode>): Rename to
8414         atomic_<logic><mode>.
8416 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
8418         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
8419         * alias.c (reg_base_value): Expand and update comment.
8420         (arg_base_value): New variable.
8421         (unique_id): Move up file.
8422         (unique_base_value, unique_base_value_p, known_base_value_p): New.
8423         (find_base_value): Use arg_base_value and known_base_value_p.
8424         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
8425         (find_base_term): Use known_base_value_p.
8426         (base_alias_check): Use unique_base_value_p.
8427         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
8428         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
8430 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
8432         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
8434 2012-04-17  Michael Matz  <matz@suse.de>
8436         PR tree-optimization/18437
8437         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
8438         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
8439         (vect_check_strided_load): Declare.
8440         * tree-vect-data-refs.c (vect_check_strided_load): New function.
8441         (vect_analyze_data_refs): Use it to accept strided loads.
8442         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
8444 2012-04-17  Richard Guenther  <rguenther@suse.de>
8446         PR middle-end/53011
8447         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
8448         loops when redirecting an entry or latch edge.
8450 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
8452         * sel-sched.c (sel_global_init): Revert previous change.
8454 2012-04-17  Richard Guenther  <rguenther@suse.de>
8456         * tree-flow.h (array_at_struct_end_p): Move declaration ...
8457         * tree.h (array_at_struct_end_p): ... here.
8458         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
8459         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
8461 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
8463         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
8464         COST_TABLE): Remove.
8465         (estimate_case_costs): Remove.
8466         (expand_case): Do not call estimate_case_costs
8467         to set use_cost_table.
8468         (balance_case_nodes): Do not use use_cost_table.
8470 2012-04-16  Jan Hubicka  <jh@suse.cz>
8472         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
8473         (hash_node, eq_node): Remove.
8474         (cgraph_create_node): Do not handle hashtable.
8475         (cgraph_get_node): Remove.
8476         (cgraph_insert_node_to_hashtable): Remove.
8477         (hash_node_by_assembler_name): Remove.
8478         (eq_assembler_name): Remove.
8479         (cgraph_node_for_asm): Rewrite.
8480         (cgraph_find_replacement_node): Break out from ...
8481         (cgraph_remove_node): ... here; do not maintain hashtables.
8482         (change_decl_assembler_name): Remove.
8483         (cgraph_clone_node): Do not maintain hashtables.
8484         * cgraph.h (const_symtab_node): New typedef.
8485         (cgraph_insert_node_to_hashtable): Remove.
8486         (symtab_get_node, symtab_node_for_asm,
8487         symtab_insert_node_to_hashtable): Declare.
8488         (cgraph_find_replacement_node): Declare.
8489         (cgraph_get_node, varpool_get_node): Turn into inlines.
8490         (cgraph, varpool): Work sanely on NULL pointers.
8491         (FOR_EACH_SYMBOL): New walker.
8492         * ipa-inline-transform.c (save_inline_function_body): Use
8493         symtab_insert_node_to_hashtable.
8494         * symtab.c: Include ggc.h and diagnostics.h
8495         (symtab_hash, assembler_name_hash): New static vars;
8496         (hash_node, eq_node, hash_node_by_assembler_name,
8497         eq_assembler_name, insert_to_assembler_name_hash,
8498         unlink_from_assembler_name_hash): New.
8499         (symtab_register_node): Update hashtables.
8500         (symtab_insert_node_to_hashtable): New.
8501         (symtab_unregister_node): Update hashtables.
8502         (symtab_get_node): New.
8503         (symtab_node_for_asm): New.
8504         (change_decl_assembler_name): New.
8505         * Makefile.in (symtab.o): Needs GTY.
8506         * varpool.c (varpool_hash): Remove.
8507         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
8508         (varpool_node): Rewrite using varpool_get_node.
8509         (varpool_remove_node): DO not maintain hashtables.
8510         (varpool_node_for_asm): Rewrite.
8512 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
8514         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
8515         when describing the current behavior of GCC.
8517 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
8519         * genemit.c (gen_exp): Remove ADDRESS handling.
8520         * genoutput.c (scan_operands): Likewise.
8521         * genpeep.c (match_rtx): Likewise.
8522         * genrecog.c (add_to_sequence): Likewise.
8524 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
8526         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
8528 2012-04-16  Martin Jambor  <mjambor@suse.cz>
8530         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
8531         bit-fields.
8533 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
8535         PR target/51819
8536         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
8537         hints for 'A' operand types.
8539 2012-04-16  Jan Hubicka  <jh@suse.cz>
8541         * cgraph.h (symtab_node_base): Add next and previous pointers.
8542         (cgraph_node): Remove next and preivous pointers.
8543         (varpool_node): Likewise; remove next/previous GTY marker;
8544         it is not type safe.
8545         (symtab_node_def): Update GTY marker
8546         (x_cgraph_nodes, cgraph_nodes): Remove.
8547         (symtab_nodes): New function.
8548         (cgraph_order): Rename to ...
8549         (symtab_order): ... this one.
8550         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
8551         Declare.
8552         (x_varpool_nodes, varpool_nodes): Remove.
8553         (FOR_EACH_STATIC_VARIABLE): Update.
8554         (symtab_function_p, symtab_variable_p): New function.
8555         (FOR_EACH_VARIABLE): Update.
8556         (varpool_first_variable, varpool_next_variable): New functions.
8557         (FOR_EACH_VARIABLE): Update.
8558         (cgraph_first_defined_function): Update.
8559         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
8560         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
8561         (cgraph_first_function, cgraph_next_function): New.
8562         (FOR_EACH_FUNCTION): Update.
8563         (cgraph_first_function_with_gimple_body,
8564         cgraph_next_function_with_gimple_body): Update.
8565         * symtab.c: New file.
8566         * cgraph.c: Update copyright dates.
8567         (x_cgraph_nodes, cgraph_order): Remove.
8568         (NEXT_FREE_NODE): Update.
8569         (SET_NEXT_FREE_NODE): New.
8570         (cgraph_create_node_1): Remove common code.
8571         (cgraph_create_node): Remove common code; call symtab_register_node.
8572         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
8573         (cgraph_add_asm_node): Update.
8574         (cgraph_clone_node): Register new node.
8575         * cgraphunit.c (process_function_and_variable_attributes): Update.
8576         (cgraph_analyze_functions): Update.
8577         (cgraph_analyze_functions): Update.
8578         (cgraph_output_in_order): Update.
8579         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
8580         Update.
8581         * ipa-inline.c (recursive_inlining): Update.
8582         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
8583         * ipa.c (cgraph_remove_unreachable_nodes): Update.
8584         * Makefile.in: Add symtab.o
8585         * varpool.c (x_varpool_nodes): Remove
8586         (varpool_node): Remove common code; call symtab_register_node.
8587         (varpool_remove_node): Remove common code; call symtab_unregister_node.
8589 2012-04-16  Richard Guenther  <rguenther@suse.de>
8591         PR middle-end/52977
8592         * tree.h (VECTOR_CST_NELTS): Adjust.
8593         (struct tree_vector): Add explicit length field.
8594         (make_vector_stat): Declare.
8595         (make_vector): Define.
8596         * tree.c (make_vector_stat): New function.
8597         (build_vector_stat): Use it.
8598         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
8600 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8602         PR tree-optimization/52976
8603         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
8604         (undistribute_ops_list): Ops with repeat counts aren't eligible for
8605         undistribution.
8606         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
8608 2012-04-16  Jan Hubicka  <jh@suse.cz>
8610         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
8611         New macros.
8612         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
8613         walkers to walk cgraph and varpool.
8614         * cgraph.c (cgraph_node_for_asm): Likewise.
8615         (dump_cgraph): Likewise.
8616         * value-prof.c (init_node_map): Likewise.
8617         * tree.c (free_lang_data_in_cgraph): Likewise.
8618         * tree-emutls.c: (ipa_lower_emutls): Likewise.
8619         * ipa-reference.c (generate_summary, propagate): Likewise.
8620         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
8621         cgraph_mark_functions_to_output, cgraph_output_in_order,
8622         output_weakrefs, cgraph_materialize_all_clones,
8623         cgraph_optimize): Likewise.
8624         * lto-cgraph.c (merge_profile_summaries): Likewise.
8625         (input_cgraph): Likewise.
8626         * ipa-pure-const.c (generate_summary): Likewise.
8627         (propagate): Likwise.
8628         * ipa-utils.c (ipa_reduced_postorder): Likewise.
8629         (ipa_free_postorder_info): Likewise.
8630         (ipa_reverse_postorder): Likewise.
8631         * ipa-inline.c (ipa_inline): Likewise.
8632         * matrix-reorg.c (find_matrices_decl): Likewise.
8633         (matrix_reorg): Likewise.
8634         * tree-vectorizer.c (increase_alignment): Likewise.
8635         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8636         (function_and_variable_visibility): Likewise.
8637         (whole_program_function_and_variable_visibility): Likewise.
8638         (ipa_cdtor_merge): Likewise.
8639         * trans-mem.c (ipa_tm_execute): Likewise.
8640         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
8641         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
8642         (ipa_print_all_params): Likewise.
8643         (ipa_update_after_lto_read): Likewise.
8644         * tree-profie.c (tree_profiling): Likewise.
8645         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8646         * passes.c (dump_passes): Likewise.
8647         (do_per_function): Likewise.
8648         (ipa_write_summaries): Likewise.
8649         * varpool.c (dump_varpool): Likewise.
8650         (varpool_node_for_asm): Likewise.
8651         (varpool_assemble_pending_decls): Likewise.
8653 2012-04-16  Richard Guenther  <rguenther@suse.de>
8655         PR tree-optimization/52975
8656         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
8657         condition but always mark it with TRUTH_NOT_EXPR.
8659 2012-04-16  Richard Guenther  <rguenther@suse.de>
8661         PR tree-optimization/52975
8662         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
8663         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
8664         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
8665         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
8667 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
8669         * config/i386/sse.md (ssse3_plusminus): New code iterator.
8670         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
8671         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
8672         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
8673         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
8674         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
8675         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
8677         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
8678         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
8679         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
8680         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
8681         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
8682         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
8684         (xop_plus): New code iterator.
8685         (macs): New code attribute.
8686         (macds): Ditto.
8687         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
8688         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
8689         iterator.
8690         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
8691         xop_plus code iterator.
8692         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
8693         xop_plus code iterator.
8694         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
8695         xop_plus code iterator.
8696         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
8697         xop_plus code iterator.
8699         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
8700         any_extend code iterator.
8701         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
8702         any_extend code iterator.
8703         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
8704         any_extend code iterator.
8705         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
8706         any_extend code iterator.
8707         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
8708         any_extend code iterator.
8709         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
8710         any_extend code iterator.
8712 2012-04-14  Tom de Vries  <tom@codesourcery.com>
8714         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
8715         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
8716         DELETED_LABEL note, and move it to ...
8717         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
8718         (delete_insn_and_edges): Likewise.
8719         (delete_insn_chain): Handle new return type of delete_insn.  Delete
8720         chain backwards rather than forwards.
8721         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
8722         void.
8723         * cfglayout.c (fixup_reorder_chain): Delete unused label.
8725 2012-04-14  Jan Hubicka  <jh@suse.cz>
8727         * cgraph.h: Update copyrights;
8728         (symtab_node): Turn to union typedef.
8729         (symtab_node_base): New structure.
8730         (symtab_type): Add SYMTAB_SYMBOL tag.
8731         (cgraph_node): Annotate some pinters with nested_ptr.
8732         (varpool_node): Likewise.
8733         (cgraph_local_info): Remove lto_file_data
8734         and externally_visible.
8735         (cgraph_node): Remove decl; same_comdat_group list;
8736         aux; ref_list; order; address_taken; reachable_from_other_parittion,
8737         in_other_partition; resolution.
8738         (varpool_node): Remove decl; same_comdat_group;
8739         ref_list; lto_file_data; aux; order; resolution; externally_visible;
8740         used_from_other_partition; in_other_partition.
8741         (symtab_node_def): New union.
8742         (cgraph, varpool): Update.
8743         (varpool_first_static_initializer, varpool_next_static_initializer,
8744         cgraph_only_called_directly_or_aliased_p,
8745         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
8746         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
8747         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
8748         field references.
8749         * cgraph.c: Likewise.
8750         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
8751         * cgraphbuild.c: Likewise.
8752         * lto-symtab.c: Likewise.
8753         * c-gimplify.c: Likewise.
8754         * value-prof.c: Likewise.
8755         * tree.c: Likewise.
8756         * ipa-cp.c: Likewise.
8757         * tree-emutls.c: Likewise.
8758         * ipa-inline-transform.c: Likwise.
8759         * ipa-reference.c: Likewise.
8760         * cgraphunit.c: Likewise.
8761         * ipa-ref.c: Likewise.
8762         * lto-cgraph.c: Likewise.
8763         * ipa-ref-inline.h: Likewise.
8764         * ipa-pure-const.c: Likewise.
8765         * lto-streamer-out.c: Likewise.
8766         * ipa-utils.c: Likewise.
8767         * ipa-inline.c: Likewise.
8768         * matrix-reorg.c: Likewise.
8769         * tree-eh.c: Likewise.
8770         * tree-vectorizer.c: Likewise.
8771         * ipa-split.c: Likewise.
8772         * ipa.c: Likewise.
8773         * trans-mem.c: Likewise.
8774         * ipa-inline-analysis.c: Likewise.
8775         * gimplify.c: Likewise.
8776         * cfgexpand.c: Likewise.
8777         * tree-sra.c: Likewise.
8778         * ipa-prop.c: Likewise.
8779         * varasm.c: Likewise.
8780         * tree-nested.c: Likewise.
8781         * tree-inline.c: Likewise.
8782         * tree-profile.c: Likewise.
8783         * tree-ssa-structalias.c: Likewise.
8784         * passes.c: Likewise.
8785         * varpool.c: Likewise.
8787 2012-04-14  Tom de Vries  <tom@codesourcery.com>
8789         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
8790         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
8791         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
8792         of find_edge.
8793         (gsi_advance_fw_nondebug_nonlocal): New function.
8794         (local_def): Removed function.
8795         (same_succ_hash): Use stmt_local_def.
8796         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
8797         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
8799 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
8801         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
8802         and __ILP32__ for x32.
8804 2012-04-13  Martin Jambor  <mjambor@suse.cz>
8806         PR middle-end/52939
8807         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
8808         fold_ctor_reference returns a zero constant.
8810 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
8812         * config.gcc: Add i386/gnu-user-common.h before all
8813         i386/gnu-user.h and i386/gnu-user64.h usages.
8815         * config/i386/gnu-user-common.h: New.
8817         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
8818         (CC1_SPEC): Likewise.
8819         (ENDFILE_SPEC): Likewise.
8820         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
8821         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
8822         (TARGET_OS_CPP_BUILTINS): Likewise.
8823         (LIBGCC2_HAS_TF_MODE): Likewise.
8824         (LIBGCC2_TF_CEXT): Likewise.
8825         (TF_SIZE): Likewise.
8826         (TARGET_ASM_FILE_END): Likewise.
8827         (STACK_CHECK_MOVING_SP): Likewise.
8828         (STACK_CHECK_STATIC_BUILTIN): Likewise.
8829         * config/i386/gnu-user64.h: Likewise.
8831 2012-04-13  Martin Jambor  <mjambor@suse.cz>
8833         * expr.c (expand_expr_real_1): Pass type, not the expression, to
8834         set_mem_attributes for a memory temporary. Do not call the function
8835         for the memory temporary created for a bitfield.
8837 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
8839         PR debug/48866
8840         * df.h (enum debug_temp_where): New.
8841         (dead_debug_init, dead_debug_finish) Declare.
8842         (dead_debug_add, dead_debug_insert_temp): Declare.
8843         (struct dead_debug_use, struct dead_debug): Moved from...
8844         * df-problems.c: ... here.
8845         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
8846         to a debug temp.
8847         (df_create_unused_note): Likewise.
8848         (df_set_dead_notes_for_mw): Move comment where it belongs.
8849         (dead_debug_init): Export.
8850         (dead_debug_reset_uses): New, factored out of...
8851         (dead_debug_finish): ...this.  Export.
8852         (dead_debug_reset): Remove.
8853         (dead_debug_add): Export.
8854         (dead_debug_insert_before): Rename to...
8855         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
8856         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
8857         Return insertion count.
8858         (df_note_bb_compute): Adjust.
8859         * dce.c (word_dce_process_block): Adjust dead debug uses.
8860         (dce_process_block): Likewise.
8862 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
8864         * df-problems.c (df_note_bb_compute): Do not take note of
8865         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
8867 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
8869         PR debug/51570
8870         * var-tracking.c (expand_depth): New type.
8871         (onepart_aux, expand_loc_callback_data): Change depth type to it.
8872         (loc_exp_dep_alloc): Adjust initializer.
8873         (update_depth): Use new type.  Add entryvals.
8874         (vt_expand_var_loc_chain): Take note of expansions with
8875         ENTRY_VALUEs, but don't accept them right away.  Run an optional
8876         second pass accepting the minimum ENTRY_VALUE count found in the
8877         first pass.
8878         (vt_expand_loc_callback, INIT_ELCD): Adjust.
8880 2012-04-13  Tom de Vries  <tom@codesourcery.com>
8882         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
8883         parameters vuse and vuse_escaped.
8884         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
8885         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
8886         vuse1 != vuse2.
8888 2012-04-13  Richard Guenther  <rguenther@suse.de>
8890         PR tree-optimization/52969
8891         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
8892         the condition for the COND_EXPR and handle predicate negation
8893         by swapping the COND_EXPR arms.
8895 2012-04-13  Nick Clifton  <nickc@redhat.com>
8897         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
8898         TODO_dump_func flag.
8900 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
8902         PR rtl-optimization/52203
8903         PR rtl-optimization/52715
8905         Revert the 2012-03-07 fix for PR 52203.
8906         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
8907         the insn does not modify DFA right before issuing, adjust
8908         issue_rate accordingly.
8910 2012-04-13  Richard Guenther  <rguenther@suse.de>
8912         PR c/52549
8913         * c-typeck.c (pointer_diff): Remove bogus assert.
8915 2012-04-13  Richard Guenther  <rguenther@suse.de>
8917         PR c/52862
8918         * convert.c (convert_to_pointer): Remove special-casing of zero.
8920 2012-04-13  Joey Ye  <joey.ye@arm.com>
8922         * config/arm/constraints.md (Pe): New constraint.
8923         * config/arm/arm.md: New split for imm 256-510.
8925 2012-04-13  Terry Guo  <terry.guo@arm.com>
8927         * config/arm/arm-cores.def: Added core cortex-m0plus.
8928         * config/arm/arm-tune.md: Regenerated.
8929         * config/arm/arm-tables.opt: Regenerated.
8930         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
8932 2012-04-13  Alan Modra  <amodra@gmail.com>
8934         PR target/52828
8935         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
8936         tie regs on destination of sets.  Delete forward declaration.
8937         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
8938         (rs6000_emit_prologue): Likewise.
8939         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
8940         and gen_stack_tie.
8941         (is_mem_ref): Use tie_operand to recognise stack ties.
8942         * config/rs6000/predicates.md (tie_operand): New.
8943         * config/rs6000/rs6000.md (restore_stack_block): Generate new
8944         stack tie rtl.
8945         (restore_stack_nonlocal): Likewise.
8946         (stack_tie): Update.
8947         (frame_tie): Delete.
8949 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8951         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
8952         HOST_WIDE_INT_PRINT_DEC in format strings.
8954 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
8956         PR target/52932
8957         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
8958         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
8959         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
8960         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
8961         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
8962         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
8963         avx2_permvarv8si using VI4F_256 mode iterator.
8964         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
8965         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
8966         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
8967         gen_avx2_permvarv8sf.
8968         (expand_vec_perm_pshufb): Ditto.
8970 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8972         PR target/52775
8973         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
8974         the list of options to enable the FCFID instruction.
8975         (TARGET_EXTRA_BUILTINS): Adjust comment.
8977 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8979         PR tree-optimization/18589
8980         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
8981         (operand_entry): Add count field.
8982         (add_repeat_to_ops_vec): New function.
8983         (completely_remove_stmt): Likewise.
8984         (remove_def_if_absorbed_call): Likewise.
8985         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
8986         (acceptable_pow_call): New function.
8987         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
8988         entries with repeat counts when found.
8989         (repeat_factor_d): New struct and associated typedefs.
8990         (repeat_factor_vec): New static vector variable.
8991         (compare_repeat_factors): New function.
8992         (get_reassoc_pow_ssa_name): Likewise.
8993         (attempt_builtin_powi): Likewise.
8994         (reassociate_bb): Call attempt_builtin_powi.
8995         (fini_reassoc): Two new calls to statistics_counter_event.
8997 2012-04-12  Richard Guenther  <rguenther@suse.de>
8999         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
9000         * cgraph.h (tree_rest_of_compilation): Remove.
9001         * cgraph.c (cgraph_add_new_function): Move ...
9002         * cgraphunit.c (cgraph_add_new_function): ... here.
9003         (tree_rest_of_compilation): Make static.
9004         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
9005         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
9006         gate_all_early_local_passes, execute_all_early_local_passes,
9007         pass_early_local_passes, gate_all_early_optimizations,
9008         pass_all_early_optimizations): Move ...
9009         * passes.c (gate_all_optimizations, pass_all_optimizations,
9010         gate_all_early_local_passes, execute_all_early_local_passes,
9011         pass_early_local_passes, gate_all_early_optimizations,
9012         pass_all_early_optimizations): ... here.
9013         * tree-optimize.c (execute_free_datastructures): Remove.
9014         * tree-flow.h (execute_free_datastructures): Remove.
9015         * tree-optimize.c (execute_init_datastructures,
9016         pass_init_datastructures): Move ...
9017         * tree-ssa.c (execute_init_datastructures,
9018         pass_init_datastructures): ... here.
9019         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
9020         execute_free_datastructures.
9022 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
9024         * dbgcnt.def (ira_move): New counter.
9025         * ira-int.h (ira_create_new_reg): Declare function.
9026         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
9027         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
9028         no longer static.  All callers changed.
9029         * ira.c: Include "dbgcnt.h".
9030         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
9031         move_unallocated_pseudos): New static functions.
9032         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
9033         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
9034         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
9035         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
9036         to the pseudos generated in find_moveable_pseudos.
9037         * Makefile.in (ira.o): Add $(DBGCNT_H).
9039 2012-04-12  Richard Guenther  <rguenther@suse.de>
9041         PR tree-optimization/52943
9042         * tree-chrec.h (chrec_is_positive): Remove.
9043         * tree-scalar-evolution.c (chrec_is_positive): Move ...
9044         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
9045         Return false for a constant zero instead of negative.
9046         (analyze_siv_subscript_cst_affine): Handle zero difference
9047         in the initial condition explicitely.
9049 2012-04-12  Richard Guenther  <rguenther@suse.de>
9051         * tree-parloops.c (parallelize_loops): Also consult the upper
9052         bound for the number of iterations.
9053         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
9054         (loop_prefetch_arrays): Likewise.
9056 2012-04-12  Richard Guenther  <rguenther@suse.de>
9058         * cfgloop.h (estimated_loop_iterations_int): Ditch
9059         'conservative' parameter.
9060         (max_stmt_executions_int): Likewise.
9061         (estimated_loop_iterations): Likewise.
9062         (max_stmt_executions): Likewise.
9063         (max_loop_iterations): Declare.
9064         (max_loop_iterations_int): Likewise.
9065         (estimated_stmt_executions): Likewise.
9066         (estimated_stmt_executions_int): Likewise.
9067         * tree-ssa-loop-niter.c (estimated_loop_iterations):
9068         Split parts to ...
9069         (max_loop_iterations): ... this.
9070         (estimated_loop_iterations_int): Split parts to ...
9071         (max_loop_iterations_int): ... this.
9072         (max_stmt_executions_int): Split parts to ...
9073         (estimated_stmt_executions_int): ... this.
9074         (max_stmt_executions): Split parts to ...
9075         (estimated_stmt_executions): ... this.
9076         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
9077         * predict.c (predict_loops): Likewise.
9078         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
9079         (analyze_siv_subscript_cst_affine): Likewise.
9080         (compute_overlap_steps_for_affine_1_2): Likewise.
9081         (analyze_subscript_affine_affine): Likewise.
9082         (init_omega_for_ddr_1): Likewise.
9083         * tree-parloops.c (parallelize_loops): Likewise.
9084         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9085         (may_eliminate_iv): Likewise.
9086         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
9087         (loop_prefetch_arrays): Likewise.
9088         * tree-vrp.c (adjust_range_with_scev): Likewise.
9090 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
9092         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
9093         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
9094         Fix line width.
9095         (dump_table): Use bool type for need_align and have_df variables.
9096         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
9097         (regs_used): Remove register modifier.
9098         (barrier_align): Move variables slot, credit, jump_to_next
9099         into if block above for loop.  Use bool type for jump_to_next.
9100         (sh_function_arg): Use NULL_RTX instead of 0.
9102 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
9104         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
9105         (bswapsi2): New expander.
9107 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
9109         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
9110         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
9112 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
9114         PR rtl-optimization/52876
9115         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
9116         Don't call mark_reg_pointer for incompatible pointer sign extension.
9118         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
9119         directly.
9121 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
9123         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
9124         comparisons against TYPE_PRECISION.
9125         * tree-ssa-forwprop.c (combine_conversions): Likewise.
9127 2012-04-11  Xinliang David Li  <davidxl@google.com>
9129         * tree-passes.h: Remove TODO_dump_func.
9130         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
9131         * trans-mem.c: Remove TODO_dump_func.
9132         * ira.c: Remove TODO_dump_func.
9134 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
9136         * config/i386/i386.c (ix86_option_override_internal): Check
9137         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
9138         after TARGET_64BIT is updated.
9140 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9142         * config/sh/sh.h: Remove old secondary reload code.
9144 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9146         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
9147         (ready_reorder): ... this function.
9149 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
9151         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
9152         sched_init calls.
9154         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
9155         insns so that no other insn is queued for a time before them.
9157         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
9158         unknown.
9160 2012-04-11  Richard Guenther  <rguenther@suse.de>
9162         PR middle-end/52621
9163         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
9164         consider loop nesting.
9165         (evolution_function_is_univariate_p): Properly check the remainder
9166         for chrecs.
9168 2012-04-11  Richard Guenther  <rguenther@suse.de>
9170         PR middle-end/52918
9171         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
9173 2012-04-11  Nick Clifton  <nickc@redhat.com>
9175         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
9176         information, if requested.
9178         * config/rx/rx.c (rx_expand_prologue): Likewise.
9180 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
9181             Michael Matz  <matz@suse.de>
9183         PR target/16458
9184         * rtlanal.c (unsigned_reg_p): New function.
9185         Update copyright notice dates.
9186         * rtl.h (unsigned_reg_p): Prototype it.
9187         Update copyright notice dates.
9188         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
9189         Update comment.
9190         * expr.c (expand_expr_real_1): Set register attributes.
9191         * stmt.c (expand_case): Likewise.
9193 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9195         PR target/50751
9196         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
9197         consider_sh2a and allow_zero.
9198         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
9199         (disp_addr_displacement): New function.
9200         (sh_address_cost): Use disp_addr_displacement function instead
9201         of DISP_ADDR_OFFSET.
9202         (sh_legitimate_address_p): Adapt to changed
9203         sh_legitimate_index_p declaration.
9204         (sh_find_mov_disp_adjust): Remove HImode check.
9205         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
9206         disp_addr_displacement and max_mov_insn_displacement.
9207         (max_mov_insn_displacement): Remove HImode check.
9208         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
9209         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
9210         * config/sh/constraints.md (K05, K13): New constraints.
9211         (K12): Correct comment.
9212         (Sdd): Do not use DISP_ADDR_P macro.
9213         (Snd, Sbw): Use satisfies_constraint_Sdd.
9214         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
9215         (*extendhisi2_compact, movhi_i): Remove.
9216         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
9217         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
9218         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
9219         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
9220         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
9221         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
9222         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
9223         CONST_OK_FOR_Kxx.
9224         Add new peepholes for HImode displacement addressing.
9226 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9228         * config/sh/sh.h (SIDI_OFF): Remove.
9229         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
9230         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
9231         or operand_subword.
9233 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
9235         PR target/52624
9236         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
9237         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
9238         * doc/md.texi (Standard Names): Add bswap.
9239         * builtin-types.def (BT_UINT16): New primitive type.
9240         (BT_FN_UINT16_UINT16): New function type.
9241         * builtins.def (BUILT_IN_BSWAP16): New.
9242         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
9243         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
9244         expand_builtin_bswap.
9245         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
9246         (fold_builtin_1): Likewise.
9247         (is_inexpensive_builtin): Likewise.
9248         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
9249         missing bits for bswap to libcall code.
9250         * tree.c (build_common_tree_nodes): Build uint16_type_node.
9251         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
9252         (uint16_type_node): New define.
9253         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
9254         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
9255         above builtin.
9256         (rs6000_init_builtins): Likewise.
9257         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
9259 2012-04-11  Tristan Gingold  <gingold@adacore.com>
9261         * doc/extend.texi (Type Attributes): Move paragraph.
9263 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9265         PR 24985
9266         * diagnostic.h (show_caret): Declare.
9267         (caret_max_width): Declare.
9268         (diagnostic_show_locus): Declare.
9269         * diagnostic.c (diagnostic_initialize): Initialize to false.
9270         (diagnostic_show_locus): New.
9271         (diagnostic_report_diagnostic): Call it.
9272         (getenv_columns): New.
9273         (adjust_line): New.
9274         (diagnostic_set_caret_max_width): New.
9275         * input.c (read_line): New.
9276         (location_get_source_line): New.
9277         * input.h (location_get_source_line): Declare.
9278         * toplev.c (general_init): Initialize show_caret from options.
9279         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
9280         * opts.c (common_handle_option): Likewise.
9281         * pretty-print.h (pp_get_prefix): New.
9282         (pp_base_get_prefix): New.
9283         * common.opt (fdiagnostics-show-caret): New option.
9284         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
9286 2012-04-11  Richard Guenther  <rguenther@suse.de>
9288         PR rtl-optimization/52881
9289         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
9291 2012-04-11  Richard Guenther  <rguenther@suse.de>
9293         PR tree-optimization/52912
9294         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
9295         manipulation code we are threading through a loop header
9296         to an exit destination.
9298 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9300         * tree.h (warn_if_unused_value): Move declaration from here.
9301         * stmt.c (warn_if_unused_value): Move definition from here.
9303 2012-04-10  Michael Matz  <matz@suse.de>
9305         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
9306         grouped_stores.
9307         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
9308         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
9309         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
9310         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
9311         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
9312         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
9313         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
9314         (vect_record_strided_load_vectors): Rename to
9315         vect_record_grouped_load_vectors.
9316         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
9317         Rename use of above macros.
9318         (vect_verify_datarefs_alignment): Ditto.
9319         (vector_alignment_reachable_p): Ditto.
9320         (vect_peeling_hash_get_lowest_cost): Ditto.
9321         (vect_enhance_data_refs_alignment): Ditto.
9322         (vect_analyze_group_access): Ditto and rename stride to groupsize.
9323         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
9324         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
9325         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
9326         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
9327         (vect_record_strided_load_vectors): Rename to
9328         vect_record_grouped_load_vectors.
9329         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
9330         (destroy_loop_vec_info): Ditto.
9331         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
9332         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
9333         (vect_analyze_slp): Ditto.
9334         (new_bb_vec_info): Ditto.
9335         (destroy_bb_vec_info): Ditto.
9336         (vect_schedule_slp_instance): Ditto and rename strided_store to
9337         grouped_store.
9338         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
9339         vect_cost_group_size.
9340         (vect_model_store_cost): Rename use of above macros and call
9341         to vect_cost_strided_group_size.
9342         (vect_model_load_cost): Ditto.
9343         (vectorizable_store): Ditto, rename strided_store to grouped_store
9344         and calls to renamed tree-vectorizer.h functions.
9345         (vectorizable_load): Ditto.
9346         (vect_transform_stmt): Rename use of above macros and strided_store
9347         to grouped_store.
9349 2012-04-10  Jan Hubicka  <jh@suse.cz>
9351         * cgraph.h: Remove misledaing comment on ipa-ref.h.
9352         (symtab_type): New enum.
9353         (symtab_node): New structure.
9354         (cgraph_node, varpool_node): Add symbol base type.
9355         (cgraph, varpool): New accestor functions.
9356         * cgraph.c (cgraph_create_node_1): Set symbol type.
9357         * varpool.c (varpool_node): Set symbol type.
9359 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
9360             Richard Sandiford  <rdsandiford@googlemail.com>
9362         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
9364 2012-04-10  Richard Guenther  <rguenther@suse.de>
9366         PR middle-end/52888
9367         * gimple-low.c (gimple_check_call_args): Properly account for
9368         compatible aggregate types.
9370 2012-04-10  Richard Guenther  <rguenther@suse.de>
9372         * toplev.h (tree_rest_of_compilation): Remove.
9373         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9374         * cgraph.h (tree_rest_of_compilation): Declare.
9375         * tree-optimize.c (tree_rest_of_compilation): Move ...
9376         * cgraphunit.c (tree_rest_of_compilation): ... here.
9377         * cgraph.c (cgraph_add_new_function): Adjust.
9378         * Makefile.in (tree-optimize.o): Adjust.
9379         (cgraphunit.o): Likewise.
9381 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
9383         PR tree-optimization/52870
9384         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
9385         presumed pattern statement is within the same loop or basic block.
9387 2012-04-10  Tristan Gingold  <gingold@adacore.com>
9389         * gengtype.c (main): Make uintptr_t a known type.
9391 2012-04-10  Richard Guenther  <rguenther@suse.de>
9393         * tree-pass.h (tree_lowering_passes): Remove.
9394         * tree-optimize.c (tree_lowering_passes): Remove.
9395         * cgraph.c (cgraph_add_new_function): Inline relevant parts
9396         of tree_lowering_passes, avoid redundant call of early local passes.
9397         * cgraphunit.c (cgraph_lower_function): Fold into ...
9398         (cgraph_analyze_function): ... its single caller.  Inline
9399         relevant parts of tree_lowering_passes.
9401 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
9403         PR other/52777
9404         * config/pa/pa.opt: Remove SIO and GNU_LD.
9406 2012-04-09  Jan Hubicka  <jh@suse.cz>
9408         PR lto/52722
9409         PR lto/51765
9410         PR lto/52634
9411         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
9412         boundary, add its target too.
9413         * lto.c (add_references_to_partition): Add also aliased nodes.
9414         (add_cgraph_node_to_partition,
9415         add_varpool_node_to_partition): Work on nodes, not functions/variables;
9416         when adding alias, add also the aliased object.
9418 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
9420         PR target/52883
9421         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
9422         VOIDmode immediate operands.
9423         * config/i386/constraints.md (Wz): New constraint.
9424         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
9426 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
9428         PR target/52717
9429         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
9430         the DECL generated for the special GOT helper.
9432 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
9434         * config/sh/constraints.md: Update list of constraints in
9435         comment block.
9436         (Sr0): Remove unused memory constraint.
9438 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9440         * tree-pretty-print.h: Update comment.
9442 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
9444         * config/sh/sh.md: Use braced string notation where applicable.
9445         (*prefetch_i4, prefetch_m2a): Merge into ...
9446         (*prefetch): ... this new insn.
9448 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
9450         * config/sh/sh.h (high_life_started): Remove
9451         * config/sh/predicates.md (general_movdst_operand): Use
9452         'reload_in_progress' instead of 'high_life_started'.
9453         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
9454         divsi_inv_fp): Likewise.
9456 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
9458         * config/sh/sh-protos.h (prepare_move_operands): Return void
9459         instead of int.
9460         * config/sh/sh.c (prepare_move_operands): Likewise.
9461         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
9463 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
9465         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
9466         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
9467         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
9468         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
9469         commutative_float_operator, noncommutative_float_operator,
9470         sh_handle_pragma): Remove.
9472 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
9474         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
9475         Use @option markup on command-line options.  Use @samp markup on
9476         literal keywords to options.  Use @code markup on code fragments.
9477         Use other markup in preference to quotation marks in the text.
9478         Add markup to some passages without any.
9480 2012-04-06  Mike Stump  <mikestump@comcast.net>
9482         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
9484 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
9486         * config/sh/sh.c (hi_const): Remove.
9487         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
9488         of hi_const.
9490 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
9492         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
9493         to bool.
9494         * config/sh/sh.c (sh_expand_t_scc): Likewise.
9495         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
9496         calling sh_expand_t_scc.
9498 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
9500         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
9501         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
9502         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
9503         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
9504         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
9505         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
9506         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
9507         sh2a_is_function_vector_call): Use bool as return type.
9508         (sh_pass_in_reg_p): Remove.
9509         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
9510         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
9511         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
9512         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
9513         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
9514         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
9515         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
9516         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
9517         sh_loads_bankedreg_p): Use bool as return type.
9518         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
9519         'register' modifier.
9521 2012-04-06  Matt Turner  <mattst88@gmail.com>
9523         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
9525 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
9527         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
9528         of the destination isn't also a FP_REGS register.
9530 2012-04-05  Teresa Johnson  <tejohnson@google.com>
9531             H.J. Lu  <hongjiu.lu@intel.com>
9533         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
9534         * config/i386/i386.md (move immediate to memory peephole2):
9535         Add cases for HImode move when LCP stall avoidance is needed.
9536         * config/i386/i386.c (initial_ix86_tune_features): Initialize
9537         X86_TUNE_LCP_STALL entry.
9539 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
9541         PR target/52882
9542         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
9543         CONST_INT operands, zero-extended with AND.
9545 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
9547         PR target/50751
9548         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
9549         first argument instead of mode size.  Move displacement calculations
9550         to ...
9551         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
9552         ... these new functions.
9553         (disp_adjust): Remove max_mov_disp field.
9554         (sh_legitimate_index_p): Use max_mov_insn_displacement and
9555         mov_insn_alignment_mask.
9556         (sh_address_cost): Use max_mov_insn_displacement.
9558 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
9560         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
9561         (arch_enabled): Handle new arch types.
9562         (one_cmpldi2): Add NEON support.
9564 2012-04-05  Richard Guenther  <rguenther@suse.de>
9566         * gimple.c (walk_gimple_op): Compute val_only for the LHS
9567         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
9568         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
9569         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
9570         ... here and make static.
9571         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
9572         Remove.
9574 2012-04-05  Richard Guenther  <rguenther@suse.de>
9576         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
9577         basic-block before removing it.
9579 2012-04-05  Richard Guenther  <rguenther@suse.de>
9581         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
9582         version namespace as we release the freelist.
9584 2012-04-05  Richard Guenther  <rguenther@suse.de>
9586         * tree-nrv.c (tree_nrv): Release VDEFs.
9587         * tree-sra.c (sra_modify_constructor_assign): Likewise.
9588         (sra_modify_assign): Likewise.
9589         * tree-vect-stmts.c (vect_remove_stores): Likewise.
9590         * tree-vect-loop.c (vect_transform_loop): Likewise.
9591         * tree-ssa-dom.c (optimize_stmt): Likewise.
9592         * tree-vect-slp.c (vect_schedule_slp): Likewise.
9593         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
9595 2012-04-05  Richard Guenther  <rguenther@suse.de>
9597         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
9598         cleanup.
9599         * gimple.h (gsi_remove): Adjust.
9600         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
9601         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
9602         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9603         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
9604         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
9605         * tree-ssa-pre.c (eliminate): Likewise.
9607 2012-04-04  Mike Stump  <mikestump@comcast.net>
9609         * doc/rtl.texi (const_double): Document as sign-extending.
9610         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
9611         * emit-rtl.c (immed_double_int_const): Refine to state the
9612         value is signed.
9613         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
9614         CONST_DOUBLE integers.
9615         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
9616         negative values are converted.  Fix conversions bigger than
9617         HOST_BITS_PER_WIDE_INT.
9618         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
9619         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
9620         * explow.c (plus_constant_mode): Add.
9621         (plus_constant): Implement with plus_constant_mode.
9622         * rtl.h (plus_constant_mode): Add.
9624 2012-04-04  Richard Guenther  <rguenther@suse.de>
9626         PR tree-optimization/52808
9627         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
9628         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
9630 2012-04-04  Tristan Gingold  <gingold@adacore.com>
9632         * expr.c (expand_expr_real_2): Handle larger sizetype in
9633         POINTER_PLUS_EXPR.
9635 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9637         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
9638         to m2a-single instead of m2e.
9640 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
9642         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
9643         Change type of BITOFFSET to signed.  Make sure the lower bound of
9644         the computed range is non-negative by adjusting OFFSET and BITPOS.
9645         (expand_assignment): Adjust call to get_bit_range.
9647 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
9649         * h8300/h8300.c (h8300_current_function_monitor_function_p):
9650         New function. Added to check monitor functions.
9651         (h8300_option_override): Modified to generate error/warning
9652         messages for invalid combinations of different command line
9653         options.
9654         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
9655         save EXR on stack for monitor function in case of H8S target
9656         when "-mno-exr" is passed.
9657         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
9658         Add prototype.
9659         * doc/invoke.texi: Document H8S options.
9661 2012-04-03  Tristan Gingold  <gingold@adacore.com>
9663         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
9664         of gcc_AC_FUNC_MMAP_BLACKLIST.
9665         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
9666         * Makefile.in (aclocal_deps): Add mmap.m4.
9667         * configure: Regenerate.
9668         * aclocal.m4: Regenerate.
9670 2012-04-03  Richard Guenther  <rguenther@suse.de>
9672         PR tree-optimization/52808
9673         * tracer.c (tail_duplicate): Return whether we have duplicated
9674         any block.
9675         (tracer): If we have duplicated any block, cleanup the CFG.
9676         * cfghooks.c (duplicate_block): If we duplicated a loop
9677         header but not its loop, destroy the loop because it now has
9678         multiple entries.
9679         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
9680         the cfg manipulation routines we are not creating a multiple
9681         entry loop.
9683 2012-04-03  Tristan Gingold  <gingold@adacore.com>
9685         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
9686         'byte' alignment.
9687         (vms_c_common_override_options): Allow parameterless variadic
9688         functions.
9690 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
9692         PR tree-optimization/52835
9693         * tree-data-ref.c (build_rdg): Return NULL if
9694         compute_data_dependences_for_loop failed.
9696 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
9698         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
9699         for REAL_CST as well.
9700         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
9701         In the bitfield case, if the value is a REAL_CST, convert it first to
9702         an INTEGER_CST.
9704 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
9706         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
9707         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
9708         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
9710         * config/i386/biarchx32.h: New.
9712 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
9714         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
9715         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
9716         (arm_preferred_reload_class): New function.
9718 2012-04-02  Richard Guenther  <rguenther@suse.de>
9720         PR tree-optimization/52756
9721         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
9722         (thread_through_loop_header): After threading through the loop latch
9723         remove the split part from the loop and clear further threading
9724         opportunities that would create a multiple entry loop.
9726 2012-04-02  Richard Guenther  <rguenther@suse.de>
9728         PR rtl-optimization/52800
9729         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
9730         CLEANUP_CFG_CHANGED.
9732 2012-04-02  Richard Guenther  <rguenther@suse.de>
9734         PR middle-end/52803
9735         * loop-init.c (gate_handle_loop2): Destroy loops here if
9736         we don't enter RTL loop optimizers.
9738 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
9740         Partially revert:
9741         2012-03-29  Richard Guenther  <rguenther@suse.de>
9743         * rtl.h (extended_count): Remove.
9744         * combine.c (extended_count): Remove.
9746 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
9748         PR c++/40942
9749         * pt.c (more_specialized_fn):  Don't apply decay conversion to
9750         types of function parameters.
9752 2012-04-02  Tristan Gingold  <gingold@adacore.com>
9754         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
9755         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
9756         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
9757         (ggc_pch_this_base): Use uintptr_t instead of size_t.
9759 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
9761         PR bootstrap/52784
9762         * config/i386/i386.c (ix86_option_override_internal): Don't
9763         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
9765 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
9767         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
9768         (stmt_can_make_abnormal_goto): Use it.
9769         (is_ctrl_altering_stmt): Likewise.
9771 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
9772             Kaz Kojima  <kkojima@gcc.gnu.org>
9774         * config/sh/sh.c (push_regs): Skip banked registers when
9775         resbank attribute is specified.
9776         (sh_expand_epilogue): Likewise.
9778 2012-03-30  Richard Henderson  <rth@redhat.com>
9780         PR debug/52727
9781         * combine-stack-adj.c (prev_active_insn_bb): New.
9782         (next_active_insn_bb): New.
9783         (force_move_args_size_note): New.
9784         (combine_stack_adjustments_for_block): Use it.
9786 2012-03-30  Richard Henderson  <rth@redhat.com>
9788         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
9789         (ix86_expand_vector_init_duplicate): Initialize it.
9790         (expand_vec_perm_palignr): Likewise.
9791         (ix86_expand_vec_perm_const): Likewise.
9792         (ix86_vectorize_vec_perm_const_ok): Likewise.
9793         (expand_vec_perm_blend): Use it.
9794         (expand_vec_perm_vpermil): Likewise.
9795         (expand_vec_perm_pshufb): Likewise.
9796         (expand_vec_perm_1): Likewise.
9797         (expand_vec_perm_pshuflw_pshufhw): Likewise.
9798         (expand_vec_perm_interleave2): Likewise.
9799         (expand_vec_perm_vpermq_perm_1): Likewise.
9800         (expand_vec_perm_vperm2f128): Likewise.
9801         (expand_vec_perm_interleave3): Likewise.
9802         (expand_vec_perm_vperm2f128_vblend): Likewise.
9803         (expand_vec_perm_vpshufb2_vpermq): Likewise.
9804         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
9805         (expand_vec_perm_broadcast): Likewise.
9806         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
9808 2012-03-30  Richard Henderson  <rth@redhat.com>
9810         * dwarf2out.c (gen_variable_die): Initialize off.
9812 2012-03-30  Tristan Gingold  <gingold@adacore.com>
9814         * config/vms/vms-f.c: New file.
9815         * config/vms/t-vms (vms-f.o): New rule.
9816         * config.gcc (*-*-*vms*): Define fortran_target_objs.
9818 2012-03-30  Richard Guenther  <rguenther@suse.de>
9820         PR tree-optimization/52754
9821         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
9822         propagate arbitrary addresses into really plain dereferences.
9824 2012-03-30  Richard Guenther <rguenther@suse.de>
9826         PR middle-end/52772
9827         * except.c (emit_to_new_bb_before): Move loop updating ...
9828         (dw2_build_landing_pads): ... here.  Use a proper block for
9829         querying the loop father.
9831 2012-03-30  Tristan Gingold  <gingold@adacore.com>
9833         * config/ia64/ia64.c (ia64_section_type_flags): Remove
9834         common_object attribute handling.
9835         (SECTION_VMS_OVERLAY): Remove
9836         (ia64_vms_common_object_attribute): Replace abort with an assert.
9837         Do not set DECL_SECTION_NAME.
9838         (ia64_vms_output_aligned_decl_common): Handle common_object
9839         attribute.
9840         (ia64_vms_elf_asm_named_section): Remove.
9841         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
9843 2012-03-30  Richard Guenther  <rguenther@suse.de>
9845         PR middle-end/52786
9846         * double-int.c (rshift_double): Remove not needed cast.
9848 2012-03-30  Richard Guenther  <rguenther@suse.de>
9850         * tree-affine.h (print_aff): Remove.
9851         * tree-affine.c (print_aff): Make static.
9852         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
9853         (get_references_in_stmt): Likewise.
9854         (print_direction_vector): Likewise.
9855         (print_dir_vectors): Likewise.
9856         (print_dist_vectors): Likewise.
9857         (dump_subscript): Likewise.
9858         (dump_ddrs): Likewise.
9859         (dump_dist_dir_vectors): Likewise.
9860         (dump_data_references): Likewise.
9861         (dump_data_dependence_relation): Likewise.
9862         (dump_data_dependence_direction): Likewise.
9863         (dump_rdg_vertex): Likewise.
9864         (dump_rdg_component): Likewise.
9865         (debug_ddrs): Declare.
9866         (struct data_ref_loc_d): Move ...
9867         * tree-data-ref.c (struct data_ref_loc_d): ... here.
9868         (get_references_in_stmt): Make static.
9869         (dump_data_references): Likewise.
9870         (dump_subscript): Likewise.
9871         (print_direction_vector): Likewise.
9872         (print_dir_vectors): Likewise.
9873         (print_dist_vectors): Likewise.
9874         (dump_data_dependence_relation): Likewise.
9875         (dump_dist_dir_vectors): Likewise.
9876         (dump_ddrs): Likewise.
9877         (dump_rdg_vertex): Likewise.
9878         (dump_rdg_component): Likewise.
9879         (debug_ddrs): New function.
9880         (access_matrix_get_index_for_parameter): Remove.
9882 2012-03-30  Tristan Gingold  <gingold@adacore.com>
9884         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
9885         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
9886         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
9887         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
9888         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
9889         (vms_patch_builtins): Handle new flags
9890         * config/vms/vms-crtlmap.map: Completed using nm on
9891         c and math system libraries.
9892         * config/vms/make-crtlmap.awk: Handle any number of flags.
9894 2012-03-30  Martin Jambor  <mjambor@suse.cz>
9896         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
9897         is a builtin_stack_save in a dominating BB.
9899 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
9901         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
9902         crossing 128bit lane boundary.
9904 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9906         * ira-color.c (setup_left_conflict_sizes_p): Process all
9907         conflicting objects.
9909 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
9911         PR tree-optimization/52760
9912         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
9913         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
9915 2012-03-29  Richard Guenther  <rguenther@suse.de>
9917         * cgraph.h (cgraph_materialize_all_clones): Remove.
9918         (reset_inline_failed): Likewise.
9919         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
9920         * cgraphbuild.c (reset_inline_failed): Remove.
9921         * rtl.h (cse_main): Remove.
9922         (extended_count): Likewise.
9923         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
9924         (cse_main): Make static.
9925         * combine.c (extended_count): Remove.
9926         (dump_combine_stats): Mark as DEBUG_FUNCTION.
9927         * basic-block.h (reorder_basic_blocks): Remove.
9928         * bb-reorder.c (reorder_basic_blocks): Make static.
9929         * Makefile.in (dse.o): Remove dse.h dependency.
9930         * dse.h: Remove.
9931         * dse.c (gate_dse): Remove.
9932         (clear_alias_mode_eq): Likewise.
9933         (clear_alias_mode_hash): Likewise.
9934         (dse_record_singleton_alias_set): Likewise.
9935         (dse_invalidate_singleton_alias_set): Likewise.
9937 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9939         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
9940         crtbegin_so%O%s for -shared.
9941         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
9943 2012-03-29  Richard Guenther  <rguenther@suse.de>
9945         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
9946         (add_to_value): Remove.
9947         (print_value_expressions): Likewise.
9948         * tree-ssa-pre.c (add_to_value): Make static.
9949         (print_value_expressions): Likewise.
9950         * gimple.h (gimple_adjust_this_by_delta): Remove.
9951         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
9953 2012-03-29  Richard Guenther  <rguenther@suse.de>
9955         PR middle-end/50708
9956         * double-int.h (rshift_double): Remove.
9957         * double-int.c (lshift_double): Use absu_hwi to make count positive.
9958         (rshift_double): Make static, take unsigned count argument,
9959         remove handling of negative count argument.
9960         (double_int_rshift): Dispatch to lshift_double.
9962 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
9964         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
9965         OPTION_MASK_ABI_64.
9967         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
9968         (SPEC_X32): Likewise.
9969         (MULTILIB_DEFAULTS): Likewise.
9971         * config/i386/i386.c (isa_opts): Remove -m64.
9972         (ix86_target_string): Properly handle -m32/-m64/-mx32.
9973         (ix86_option_override_internal): Properly
9974         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
9975         handle -m32, -m64 and -mx32.
9977         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
9978         with OPTION_ABI_X32.  Moved after TARGET_LP64.
9979         (TARGET_LP64): Changed to OPTION_ABI_64.
9981         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
9982         (mx32): Replace ISA_X32 with ABI_X32.
9984 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
9986         * tree.c (tree_size) <VECTOR_CST>: New case.
9988 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
9990         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
9991         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
9993 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
9995         PR middle-end/52691
9996         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
9997         __builtin_va_start to __builtin_next_arg if the latter is
9998         builtin_decl_explicit_p rather than when it is not.
10000         PR middle-end/52750
10001         * tree-vect-generic.c (vector_element): Perform multiplication
10002         for pos in bitsizetype type instead of idx type.
10004 2012-03-28  Richard Guenther  <rguenther@suse.de>
10006         * loop-init.c (loop_optimizer_init): If loops are preserved
10007         perform incremental initialization of required loop features.
10008         (loop_optimizer_finalize): If loops are to be preserved only
10009         clean up optional loop features.
10010         (rtl_loop_done): Forcefully free loops here.
10011         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
10012         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
10013         to existing loops.
10014         (construct_init_block): Likewise.
10015         (construct_exit_block): Likewise.
10016         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
10017         the CFG after expanding.
10018         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
10019         If we needed to calculate them, free them afterwards.
10020         * tree-pass.h (PROP_loops): New define.
10021         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
10022         * basic-block.h (CLEANUP_CFG_CHANGED): New.
10023         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
10024         (cleanup_cfg): If we did something and have loops around, fix them up.
10025         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
10026         with CLEANUP_CFG_CHANGED.
10027         * cfghooks.c (merge_blocks): If we merge a loop header into
10028         its predecessor, update the loop structure.
10029         (duplicate_block): If we copy a loop latch, adjust loop state
10030         to note we may have multiple latches.
10031         (delete_basic_block): Mark loops for fixup if we remove a loop.
10032         * cfganal.c (forwarder_block_p): Protect loop latches, headers
10033         and preheaders.
10034         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
10035         (cfg_layout_can_merge_blocks_p): Likewise.
10036         * cprop.c (bypass_block): If we create a loop with multiple
10037         entries, mark it for removal.
10038         * except.c (emit_to_new_bb_before): Add the new basic-block
10039         to existing loops.
10040         * tree-eh.c (lower_resx): Likewise.
10041         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
10042         (expand_omp_taskreg): Likewise.
10043         * tree-inline.c (initialize_cfun): Likewise.
10044         * tree-mudflap.c (add_bb_to_loop): Prototype.
10045         (mf_build_check_statement_for): Properly add new basic-blocks
10046         to existing loops.
10047         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
10048         if we remove a loop.
10049         (thread_through_loop_header): Likewise.
10050         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
10051         new basic-blocks to existing loops.
10052         (expand_transaction): Likewise.
10053         * Makefile.in (except.o): Add $(CFGLOOP_H).
10054         (expr.o): Likewise.
10055         (cgraph.o): Likewise.
10056         (cprop.o): Likewise.
10057         (cfgexpand.o): Likewise.
10058         (cfganal.o): Likewise.
10059         (trans-mem.o): Likewise.
10060         (tree-eh.o): Likewise.
10062 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
10064         PR target/52692
10065         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
10066         (avr_builtin_decl): New static function.
10067         (struct avr_builtin_description, avr_bdesc): Move up.
10068         Add GTY marker. Add field fndecl. Remove redundant field id.
10069         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
10070         (avr_expand_builtin): Code cleanup because .id is removed.
10072 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
10074         PR target/52737
10075         * config.gcc (tm_file): Remove avr/multilib.h.
10077         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
10079         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
10080         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
10081         * config/avr/t-avr: Remove generation of multilib.h.
10082         * config/avr/t-multilib: Regenerate.
10083         * config/avr/multilib.h: Remove.
10084         * config/avr/avr.opt (-msp8): New option.
10085         (avr_sp8): New variable.
10086         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
10087         * config/avr/avr.h (AVR_HAVE_SPH): New define.
10088         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
10089         (avr_device_to_sp8): New prototype.
10090         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
10091         (DRIVER_SELF_SPECS): New define.
10092         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
10093         __AVR_SP8__, __AVR_HAVE_SPH__.
10094         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
10095         AVR_HAVE_8BIT_SP to decide if SP_H is present.
10096         (avr_file_start): Ditto.
10098 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
10100         PR target/52736
10101         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
10102         instead of 8 in adjust_address.
10104 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
10106         PR middle-end/51893
10107         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
10108         targets.
10110 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
10112         PR target/50751
10113         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
10114         Rearrange conditional logic.  Move displacement address calculations
10115         to ...
10116         (sh_find_mov_disp_adjust): ... this new function.
10118 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10120         * config/arm/arm.opt (mapcs): Remove MaskExists.
10121         * config/cris/linux.opt (mno-gotplt): Likewise.
10122         * config/i386/i386.opt (mhard-float): Likewise.
10123         (msse4): Likewise.
10124         (mno-sse4): Likewise.
10125         * config/m68k/m68k.opt (mhard-float): Likewise.
10126         * config/mep/mep.op (mcop32): Likewise.
10127         * config/pa/pa-hpux.opt (msio): Likewise.
10128         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
10129         * config/picochip/picochip.opt (mlittle): Likewise.
10130         * config/sh/sh.opt (mrenesas): Likewise.
10131         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
10132         * config/sparc/sparc.opt (mhard-float): Likewise.
10133         * config/v850/v850.opt (mv850es): Likewise.
10134         * config/vax/vax.opt (mg-float): Likewise.
10136 2012-03-27  Martin Jambor  <mjambor@suse.cz>
10138         PR middle-end/52693
10139         * tree-sra.c (sra_modify_assign): Do not call
10140         load_assign_lhs_subreplacements when working with an unscalarizable
10141         region.
10143 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
10145         PR target/52698
10146         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
10147         New prototype.
10148         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
10149         * config/i386/i386.c: Include reload.h.
10150         (ix86_legitimize_reload_address): New function.
10152 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10154         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
10155         hasn't been allocated.  Define a target macro for Mask and
10156         InverseMask if it hasn't been defined.  Remove MaskExists handling.
10158         * doc/options.texi: Remove MaskExists.
10160 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
10162         PR target/52667
10163         * config/sh/sh.c (find_barrier): Add equality check of last_got
10164         to avoid going above orig insn. Update comments.
10166 2012-03-27  Richard Guenther  <rguenther@suse.de>
10168         PR middle-end/52720
10169         * fold-const.c (try_move_mult_to_index): Handle &x.array more
10170         explicitely.
10172 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
10174         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
10175         of a unit before computing the offset in units.
10176         * expr.c (get_bit_range): Return the null range if the enclosing record
10177         is part of a larger bit field.
10179 2012-03-27  Tristan Gingold  <gingold@adacore.com>
10181         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
10182         * config/ia64/ia64.md: Remove mode in template.
10183         Sign extend operand in expand_simple_binop.
10184         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
10185         CASE_VECTOR_MODE instead of TARGET_ILP32.
10186         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
10188 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
10190         * varasm.c (assemble_external): #if 0 out the new assert from the
10191         previous commit, it breaks the Java and Go front ends.
10193 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
10195         * toplev.c (check_global_declaration_1): Do not call assemble_external.
10196         * expr.c (emit_block_move_libcall_fn): Likewise.
10197         (clear_storage_libcall_fn): Likewise.
10198         (expand_expr_addr_expr_1): Likewise.
10199         (expand_expr_real_1): Likewise.
10200         * calls.c (rtx_for_function_call): Likewise.
10202         * varasm.c (assemble_external): Assert this function is only called
10203         during or after expanding to RTL.
10205 2012-03-26  Martin Jambor  <mjambor@suse.cz>
10207         PR tree-optimization/50052
10208         * tree-sra.c (tree_non_aligned_mem_p): Removed.
10209         (tree_non_aligned_mem_for_access_p): Likewise.
10210         (build_accesses_from_assign): Removed strict alignment requirements
10211         checks.
10212         (access_precludes_ipa_sra_p): Likewise.
10214 2012-03-26  Richard Guenther  <rguenther@suse.de>
10216         PR tree-optimization/52701
10217         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
10218         compute and set the evolution part of PHI nodes.
10220 2012-03-26  Richard Guenther  <rguenther@suse.de>
10222         PR tree-optimization/52721
10223         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
10225 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
10227         PR tree-optimization/52686
10228         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
10229         WIDEN_LSHIFT_EXPR.
10231 2012-03-26  Tristan Gingold  <gingold@adacore.com>
10233         * config/alpha/vms.h (LINK_SPEC): Simplify.
10234         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
10235         (NAME__MAIN, SYMBOL__MAIN): Remove.
10236         (VMS_DEBUG_MAIN_POINTER): Remove.
10237         * config/ia64/vms.h: Likewise.
10238         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
10239         code to vms.c.  Call vms_start_function.
10240         * config/ia64/ia64.c (ia64_start_function): Likewise.
10241         * config/vms/vms-protos.h (vms_start_function): Declare.
10242         * config/vms/vms.c (vms_start_function): New function.
10243         * config/vms/vms.h (MATH_LIBRARY): Define.
10244         (VMS_DEBUG_MAIN_POINTER): Define.
10246 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
10248         PR rtl-optimization/52629
10249         * reload1.c (count_pseudo): Short-circuit common case.
10250         (count_spilled_pseudo): Return early for pseudos without hard regs.
10251         Assert that the pseudo has got a hard reg before manipulating it.
10253 2012-03-24  Jan Hubicka  <jh@suse.cz>
10255         PR lto/51663
10256         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
10257         (decide_is_variable_needed): Do not handle toplevel reorder here.
10258         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
10259         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
10260         even at -O0.
10262 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
10264         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
10265         and str_bitsize instead of more convoluted expressions.
10267 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
10269         PR target/52610
10270         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
10272 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
10274         PR target/52656
10275         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
10277 2012-03-23  Martin Jambor  <mjambor@suse.cz>
10279         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
10281 2012-03-23  Richard Guenther  <rguenther@suse.de>
10283         PR tree-optimization/52678
10284         * tree-vectorizer.h (struct _stmt_vec_info): Add
10285         loop_phi_evolution_part member.
10286         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
10287         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
10288         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
10289         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10290         Use the cached evolution part and the PHI nodes value from
10291         the loop preheader edge instead of re-analyzing the evolution.
10293 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
10295         * config/mips/mips-tables.opt: Update.
10296         * config/mips/mips.md (processor): Add xlp.
10297         * config/mips/mips-cpus.def: Add xlp.
10298         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
10299         5KF for now.
10300         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
10301         * doc/invoke.texi: Mention XLP.
10303 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
10305         PR middle-end/52547
10306         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
10307         on any new_local_var_chain vars declared during recursing on
10308         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
10310 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
10312         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
10313         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
10314         (ASM_OUTPUT_LOCAL): Ditto.
10315         (ASM_OUTPUT_COMMON): Remove.
10316         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
10317         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
10319 2012-03-22  Jan Hubicka  <jh@suse.cz>
10321         PR middle-end/51737
10322         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
10323         parameter.
10324         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
10325         * ipa-inline-transform.c (save_inline_function_body): Remove
10326         copied clone if needed.
10327         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
10329 2012-03-22  Richard Guenther  <rguenther@suse.de>
10331         PR middle-end/52666
10332         * fold-const.c (fold_ternary_loc): Fix typo.
10334 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
10336         PR target/52496
10337         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
10338         (unspecv): Add UNSPECV_MEMORY_BARRIER.
10339         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
10340         (delay_cycles_1, delay_cycles_2): Ditto.
10341         (delay_cycles_3, delay_cycles_4): Ditto.
10342         (nopv, *nopv): Ditto.
10343         (sleep, *sleep): Ditto.
10344         (wdr, *wdr): Ditto.
10346 2012-03-22  Richard Guenther  <rguenther@suse.de>
10348         PR tree-optimization/52548
10349         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
10350         because of clobbers.
10351         (prune_clobbered_mems): New function.
10352         (compute_antic_aux): Use it to prune ANTIC_OUT.
10353         (compute_partial_antic_aux): Use it to prune PA_IN.
10354         (compute_avail): Only insert expressions into EXP_GEN that are not
10355         invalidated when translated up to the beginning of the block.
10357 2012-03-22  Richard Guenther  <rguenther@suse.de>
10359         PR tree-optimization/52638
10360         * tree-vect-stmts.c (vect_init_vector_1): New function, split
10361         out from ...
10362         (vect_init_vector): ... here.  Handle scalar vector inits.
10363         (vect_get_vec_def_for_operand): Adjust.
10364         (vectorizable_load): Likewise.
10366 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
10368         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
10369         (alpha*-*-freebsd*): Ditto.
10370         (alpha*-*-netbsd*): Ditto.
10371         (alpha*-*-openbsd*): Ditto.
10372         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
10373         (DWARF2_DEBUGGING_INFO): Remove.
10374         (PREFERRED_DEBUGGING_TYPE): Remove.
10375         (ASM_FINAL_SPEC): Remove.
10376         (IDENT_ASM_OP): Remove.
10377         (ASM_OUTPUT_IDENT): Remove.
10378         (SKIP_ASM_OP): Remove.
10379         (ASM_OUTPUT_SKIP): Remove.
10380         (ALIGN_ASM_OP): Remove.
10381         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
10382         (ASM_OUTPUT_CASE_LABEL): Remove.
10383         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
10384         (COMMON_ASM_OP): Remove.
10385         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10386         (ASCII_DATA_ASM_OP): Remove.
10387         (READONLY_DATA_SECTION_ASM_OP): Remove.
10388         (INIT_SECTION_ASM_OP): Remove.
10389         (FINI_SECTION_ASM_OP): Remove.
10390         (ASM_SECTION_START_OP): Remove.
10391         (ASM_OUTPUT_SECTION_START_FILE): Remove.
10392         (TARGET_ASM_NAMED_SECTION): Remove.
10393         (TARGET_ASM_SELECT_SECTION): Remove.
10394         (MAKE_DECL_ONE_ONLY): Remove.
10395         (TYPE_ASM_OP): Remove.
10396         (SIZE_ASM_OP): Remove.
10397         (ASM_WEAKEN_LABEL): Remove.
10398         (TYPE_OPERAND_FMT): Remove.
10399         (ASM_DECLARE_RESULT): Remove.
10400         (ASM_DECLARE_OBJECT_NAME): Remove.
10401         (ASM_FINISH_DECLARE_OBJECT): Remove.
10402         (ELF_ASCII_ESCAPES): Remove.
10403         (ELF_STRING_LIMIT): Remove.
10404         (STRING_ASM_OP): Remove.
10405         (ASM_OUTPUT_EXTERNAL): Remove.
10406         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
10407         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
10408         before define.
10409         (ASM_DECLARE_FUNCTION_NAME): Ditto.
10410         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
10411         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
10412         (ASM_OUTPUT_SKIP): Ditto.
10413         (READONLY_DATA_SECTION_ASM_OP): Remove.
10414         (USER_LABEL_PREFIX): Remove.
10415         (ASM_OUTPUT_ASCII): Remove.
10416         (ASM_OUTPUT_CASE_LABEL): Remove.
10417         (NO_DOLLAR_IN_LABEL): Undefine.
10419 2012-03-22  Richard Guenther  <rguenther@suse.de>
10421         PR tree-optimization/52459
10422         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
10423         PHI insertion for calls.
10425 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
10427         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
10428         find_sets_in_insn, canonicalize_insn): Split out from ...
10429         (cse_insn): ... here.
10430         (invalidate_from_clobbers): Take an insn instead of the pattern.
10432 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
10434         PR target/52479
10435         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
10436         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
10437         * config/sh/sh.md (sindf2, cosdf2): Remove.
10439 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
10441         PR target/52642
10442         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
10443         prologue for unwinder and profiler.
10445 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
10447         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
10448         Introduce emul_name to select the right linker emulation for
10449         powerpc64-*-freebsd*.
10450         * configure: Regenerate.
10451         * config.gcc: Add bits to support powerpc64-*-freebsd*.
10452         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
10453         * config/rs6000/freebsd64.h: New file.
10454         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
10455         POWERPC_FREEBSD.
10456         (rs6000_savres_strategy): Likewise.
10457         (rs6000_savres_routine_name): Likewise.
10458         (rs6000_elf_file_end): Likewise.
10459         * config/rs6000/t-freebsd64: New file.
10460         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
10461         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
10463         * config/rs6000/freebsd64.h: Remove duplicated entries from last
10464         commit.
10465         * config/rs6000/t-freebsd64: Likewise.
10467 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
10469         PR rtl-optimization/52543
10470         PR target/52461
10471         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
10472         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
10473         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
10474         (avr_load_libgcc_p): Restrict to __flash loads.
10475         (avr_out_lpm): Only handle 1-byte loads from __flash.
10476         (avr_load_lpm): New function.
10477         (avr_find_unused_d_reg): Remove.
10478         (avr_out_lpm_no_lpmx): Remove.
10479         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
10480         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
10481         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
10482         (load_<mode>, load_<mode>_clobber): New insns.
10483         (mov<mode>): For multi-byte move from non-generic
10484         16-bit address spaces: Expand to load_<mode> resp.
10485         load_<mode>_clobber.
10486         (load<mode>_libgcc): Remove expander.
10487         (split-lpmx): Remove split.
10489 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
10491         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
10492         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
10493         All callers changed.
10494         (Fixed_core_reg): New feature.
10495         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
10496         disassembly.
10497         * neon-testgen.ml: Handle Fixed_core_reg.
10499 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
10501         * config/arm/arm.c (thumb2_reorg): Add complete support
10502         for 16-bit instructions.
10503         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
10505 2012-03-21  Richard Guenther  <rguenther@suse.de>
10507         PR tree-optimizer/52636
10508         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
10509         to the appropriate type.
10511 2012-03-21  Richard Guenther  <rguenther@suse.de>
10513         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
10514         dependencies.
10515         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
10516         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
10517         * passes.c (init_optimization_passes): Remove pass_init_function,
10518         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
10519         * tree-pass.h (pass_init_function): Remove.
10520         (pass_jump): Remove.
10521         (pass_initial_value_sets): Remove.
10522         (pass_unshare_all_rtl): Remove.
10523         * integrate.c (pass_initial_value_sets): Remove.
10524         * emit-rtl.c (pass_unshare_all_rtl): Remove.
10525         * tree.h (init_function_for_compilation): Remove.
10526         * function.c (init_function_for_compilation): Remove.
10527         (pass_init_function): Remove.
10528         * cfgcleanup.c (rest_of_handle_jump): Remove.
10529         (pass_jump): Remove.
10531 2012-03-20  Jason Merrill  <jason@redhat.com>
10533         * tree-streamer-in.c (streamer_alloc_tree): Call
10534         ggc_alloc_zone_cleared_tree_node instead of
10535         ggc_alloc_zone_cleared_tree_node_stat.
10537 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
10539         * doc/extend.texi (Template Instantiation): Remove anachronisms.
10541 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
10543         PR target/52607
10544         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
10545         (ix86_expand_vec_perm_const_1): Call it.
10547         * config/i386/i386.c (vselect_insn): New variable.
10548         (init_vselect_insn): New function.
10549         (expand_vselect, expand_vselect_insn): Add testing_p argument.
10550         Call init_vselect_insn if vselect_insn is NULL.  Adjust
10551         PATTERN (vselect_insn), instead of creating a new insn each time,
10552         only emit a copy of it if not testing and recog has been successful.
10553         (expand_vec_perm_pshufb, expand_vec_perm_1,
10554         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
10555         callers.
10557         PR target/52607
10558         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
10559         ("enabled" attribute): Handle avx2 and noavx2 isas.
10560         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
10561         New insns.
10562         (vec_dup<mode>): Add avx2 =x,x alternative.
10563         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
10564         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
10565         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
10566         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
10567         for V8SFmode.
10568         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
10569         if possible, handle also V8SFmode.
10571 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
10573         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
10574         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
10575         reg_or_zero_operand predicate.
10576         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
10578 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
10580         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
10581         If operand isn't UNSPEC, return 0.
10583 2012-03-20  Richard Guenther  <rguenther@suse.de>
10585         * tree-pass.h (pass_rtl_eh): Remove.
10586         * except.c (gate_handle_eh): Likewise.
10587         (rest_of_handle_eh): Likewise.
10588         (pass_rtl_eh): Likewise.
10589         (finish_eh_generation): Export.
10590         * except.h (finish_eh_generation): Declare.
10591         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
10592         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
10593         after expanding stack alignment.  Instead of compacting blocks
10594         call cleanup_cfg.
10596 2012-03-20  Richard Guenther  <rguenther@suse.de>
10598         * stor-layout.c (finish_bitfield_representative): Fallback
10599         to conservative maximum size if the padding up to the next
10600         field cannot be computed as a constant.
10601         (finish_bitfield_layout): If we cannot compute the distance
10602         between the start of the bitfield representative and the
10603         bitfield member start a new representative.
10604         * expr.c (get_bit_range): The distance between the start of
10605         the bitfield representative and the bitfield member is zero
10606         if the field offsets are not constants.
10608 2012-03-20  Tristan Gingold  <gingold@adacore.com>
10610         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
10611         convert in lowercase.
10612         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
10613         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
10614         * stor-layout.c (sizetype_tab): Adjust.
10615         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
10616         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
10617         instead of type_kind_last.
10618         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
10619         instead of size_int_kind.
10620         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
10621         * doc/tm.texi: Regenerate.
10622         * defaults.h (SIZETYPE): Provide a default value.
10623         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
10624         (SIZETYPE): Define.
10626 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
10628         * config/sh/sh.md: Use braced string notation where applicable.
10630 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10632         * config/i386/i386.md (allocate_stack): Simplify.
10634 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10636         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
10637         copy_to_mode_reg (Pmode, ...).
10638         (expand_builtin_frame_address): Ditto.
10639         * expr.c (emit_block_move_via_libcall): Ditto.
10640         (set_storage_via_libcall): Ditto.
10642         * config/i386/i386.c (ix86_expand_movmem): Ditto.
10643         (ix86_expand_setmem): Ditto.
10644         (ix86_trampoline_init): DItto.
10645         * config/i386/i386.md (cmpstrnsi): Ditto.
10647 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
10649         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
10650         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
10651         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
10652         (SH Options): Likewise.
10654 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10656         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
10657         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
10658         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
10659         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
10660         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
10662         Revert:
10663         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
10665         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
10666         * config/i386/i386.c (ix86_decompose_address): Use
10667         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
10668         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
10669         thread pointer to a register.
10671         Revert:
10672         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
10674         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
10675         if Pmode != word_mode.
10676         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
10677         Pmode == SImode for TARGET_X32.
10679         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
10680         (tls_initial_exec_x32): Likewise.
10682 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
10684         PR target/50751
10685         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
10686         DISP_ADDR_OFFSET): New macros.
10687         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
10688         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
10689         (sh_legitimize_address): Add QImode displacement handling.
10690         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
10691         vector subregs.
10692         (sh_secondary_reload): Add QImode displacement handling.
10693         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
10694         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
10695         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
10696         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
10697         to register operands only.
10698         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
10699         (extendqihi2): Change insn to expander.
10700         (*extendqihi2_compact_reg): New insn.
10701         (movqi_i, movqi): Replace with ...
10702         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
10703         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
10704         Add new peepholes for QImode displacement addressing.
10706 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
10708         PR c++/14710
10709         * doc/invoke.texi: Document -Wuseless-cast.
10711 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
10713         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
10714         * tree.h (handled_component_p): Reorder cases.
10715         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
10716         not initialize unsignedp.
10717         (loc_list_from_tree): Likewise.
10718         (fortran_common): Likewise.
10719         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
10721 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10723         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
10724         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
10725         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
10726         (ix86_split_long_move): Ditto.
10727         (legitimize_tls_address): Use ix86_gen_sub3.
10728         (construct_plt_address): Assert that Pmode == DImode.
10730 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
10732         * config/i386/i386.md: Remove empty predicates and/or constraints.
10733         * config/i386/sync.md: Ditto.
10734         * config/i386/sse.md: Ditto.
10735         * config/i386/mmx.md: Ditto.
10736         * config/i386/pentium.md: Ditto.
10737         * config/i386/athlon.md: Ditto.
10739 2012-03-16  Richard Guenther  <rguenther@suse.de>
10741         PR tree-optimization/52603
10742         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
10743         comment.
10745         Revert
10746         2012-03-14  Richard Guenther  <rguenther@suse.de>
10748         PR tree-optimization/52571
10749         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
10750         flag_section_anchors check ...
10751         (vect_can_force_dr_alignment_p): ... here.
10753 2012-03-16  Martin Jambor  <mjambor@suse.cz>
10755         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
10756         memory through MEM_REFs by calling extract_bit_field.
10758 2012-03-16  Richard Guenther  <rguenther@suse.de>
10760         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
10761         and REFERENCE_TYPE interpretations.
10762         (can_native_interpret_type_p): New function.
10763         (fold_ternary_loc): Use native encode/interpret to fold
10764         BIT_FIELD_REFs of constants.
10766 2012-03-16  Richard Guenther  <rguenther@suse.de>
10768         PR middle-end/52584
10769         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
10770         of vector constants and constructors.
10772 2012-03-16  Richard Guenther  <rguenther@suse.de>
10774         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
10775         VIEW_CONVERT_EXPR to convert constants.
10776         (vect_is_simple_use): Treat all constants as vec_constant_def.
10778 2012-03-16  Richard Guenther  <rguenther@suse.de>
10779             Kai Tietz  <ktietz@redhat.com>
10781         PR middle-end/48814
10782         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
10783         side-effects completely in the pre-queue and use a temporary
10784         for the result.
10786 2012-03-16  Richard Guenther  <rguenther@suse.de>
10788         * stor-layout.c (finish_bitfield_representative): Fall back
10789         to the conservative maximum size if we cannot compute the
10790         size of the tail padding.
10792 2012-03-16  Tristan Gingold  <gingold@adacore.com>
10794         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
10795         __CRTL_VER and __VMS_VER.
10796         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
10797         and vms_c_get_vms_ver.
10798         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
10799         functions.
10800         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
10801         (VMS_DEFAULT_VMS_VER): Define.
10802         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
10803         (VMS_DEFAULT_VMS_VER): Define.
10805 2012-03-16  Richard Guenther  <rguenther@suse.de>
10807         * tree-vect-loop.c (get_initial_def_for_induction): Use
10808         build_constructor directly.
10809         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
10810         build_vector_from_val.
10811         * tree.c (build_vector_from_val): Avoid creating a constructor
10812         first when we want a constant vector.
10814 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10816         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
10818 2012-03-16  Richard Guenther  <rguenther@suse.de>
10820         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
10821         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
10822         (struct tree_vector): Remove elements member, add variable size
10823         elts array member.
10824         (build_vector_stat): Declare.
10825         (build_vector): Define in terms of build_vector_stat.
10826         * tree.c (build_vector): Rename to ...
10827         (build_vector_stat): ... this.  Take array of trees as parameter.
10828         (build_vector_from_ctor): Adjust.
10829         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
10830         initializer_zerop): Adjust.
10831         * cfgexpand.c (expand_debug_expr): Likewise.
10832         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
10833         const_vector_from_tree): Likewise.
10834         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
10835         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
10836         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
10837         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
10838         (lto_input_ts_vector_tree_pointers): Adjust.
10839         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
10840         (write_ts_vector_tree_pointers): Adjust.
10841         * varasm.c (const_hash_1, compare_constant, copy_constant,
10842         output_constant): Adjust.
10843         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
10844         * print-tree.c (print_node): Adjust.
10845         * tree-pretty-print.c (dump_generic_node): Adjust.
10846         * tree-vect-generic.c (uniform_vector_p, vector_element,
10847         lower_vec_perm): Adjust.
10848         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
10849         * tree-vect-slp.c (vect_get_constant_vectors,
10850         vect_transform_slp_perm_load): Adjust.
10851         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
10852         * expmed.c (make_tree): Adjust.
10853         * config/i386/i386.c (ix86_expand_builtin): Adjust.
10854         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
10855         and implementation.
10856         (sparc_fold_builtin): Adjust.
10858 2012-03-16  Tristan Gingold  <gingold@adacore.com>
10860         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
10861         * config/vms/vms-stdint.h: New file.
10863 2012-03-16  Tristan Gingold  <gingold@adacore.com>
10865         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
10866         (ia64-hp-*vms*): Replaced by ...
10867         (*-*-*vms*): ... This new entry.
10869 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
10871         PR target/52568
10872         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
10873         (ix86_expand_vec_perm_const_1): Use it.
10875         PR target/52568
10876         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
10877         (avx2_permv4df): Remove.
10878         (avx2_permv4di): Macroize into...
10879         (avx2_perm<mode>): ... this using VI8F_256 iterator.
10880         (avx2_permv4di_1): Macroize into...
10881         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
10883 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
10885         * combine.c (apply_distributive_law): Do not distribute SUBREG.
10887 2012-03-15  Ira Rosen  <irar@il.ibm.com>
10888             Ulrich Weigand  <ulrich.weigand@linaro.org>
10890         * tree-vect-patterns.c (widened_name_p): Rename to ...
10891         (type_conversion_p): ... this.  Add new argument to determine
10892         if it's a promotion or demotion operation.  Check for
10893         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
10894         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
10895         widened_name_p.
10896         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
10897         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
10898         Likewise.
10899         (vect_recog_mixed_size_cond_pattern): Likewise and allow
10900         non-constant then and else clauses.
10902 2012-03-15  Ira Rosen  <irar@il.ibm.com>
10903             Ulrich Weigand  <ulrich.weigand@linaro.org>
10905         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
10906         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
10907         vect_pattern_recog.
10908         * tree-vect-patterns.c (widened_name_p): Pass basic block
10909         info to vect_is_simple_use.
10910         (vect_recog_dot_prod_pattern): Fail for basic blocks.
10911         (vect_recog_widen_sum_pattern): Likewise.
10912         (vect_handle_widen_op_by_const): Support basic blocks.
10913         (vect_operation_fits_smaller_type,
10914         vect_recog_over_widening_pattern): Likewise.
10915         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
10916         Update call to vect_is_simple_use.
10917         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
10918         Add printing.
10919         (check_bool_pattern): Add an argument, update call to
10920         vect_is_simple_use and the recursive calls.
10921         (vect_recog_bool_pattern): Update relevant function calls.
10922         Add printing.
10923         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
10924         (vect_pattern_recog_1): Check for reduction only in loops.
10925         (vect_pattern_recog): Add new argument.  Support basic blocks.
10926         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
10927         info to vect_is_simple_use_1.
10928         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
10929         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
10931 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
10932             Andrew Pinski  <apinski@cavium.com>
10934         PR middle-end/52592
10935         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
10936         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
10937         calls instead of __builtin_ir{int,ound}*.
10939 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10941         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
10942         documentation.
10944 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10946         * config.gcc (target_type_format_char): New. Document it. Set it for
10947         arm*-*-* .
10948         * configure.ac (gnu_unique_option): Use target_type_format_char
10949         in test.  Comment rationale.
10950         * configure: Regenerate .
10952 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
10954         PR tree-optimization/52267
10955         * tree-vrp.c (masked_increment): New function.
10956         (register_edge_assert_for_2): Derive ASSERT_EXPRs
10957         from (X & CST1) cmp CST2 tests.
10959 2012-03-15  Richard Guenther  <rguenther@suse.de>
10961         PR middle-end/52580
10962         * tree-data-ref.c (subscript_dependence_tester_1): Check
10963         all dimensions for non-conflicting access functions.
10965 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10967         PR c++/44783
10968         * doc/invoke.texi [C++ Language Options]: Document
10969         -ftemplate-backtrace-limit.
10971 2012-03-15  Tristan Gingold  <gingold@adacore.com>
10973         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
10974         before a parameter.
10976 2012-03-15  Tristan Gingold  <gingold@adacore.com>
10978         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
10979         use DW_OP_call_frame_cfa.
10981 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
10983         PR target/50797
10984         * config/i386/i386-opts.h (pmode): New.
10986         * config/i386/i386.c (ix86_option_override_internal): Properly
10987         check and set ix86_pmode.
10989         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
10991         * config/i386/i386.opt (maddress-mode=): New.
10993         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
10995 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10997         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
10998         (dwarf2out_do_cfi_asm): Likewise.
10999         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
11000         handling.
11001         (add_data_member_location_attribute): Likewise.
11002         (gen_array_type_die): Likewise.
11003         (gen_subprogram_die): Likewise.
11004         (gen_producer_string): Likewise.
11005         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
11006         Remove MIPS_DEBUGGING_INFO handling.
11007         (sdb_debug_hooks): Likewise.
11008         (sdbout_begin_block): Likewise.
11009         (sdbout_end_block): Likewise.
11010         (sdbout_begin_prologue): Likewise.
11011         (sdbout_start_source_file): Likewise.
11012         (sdbout_end_source_file): Likewise.
11013         (sdbout_init): Likewise.
11014         * system.h (MIPS_DEBUGGING_INFO): Poison.
11016 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11018         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
11019         (alpha_file_start) [MS_STAMP]: Remove.
11021         * config/alpha/elf.h (TARGET_GAS): Remove.
11022         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
11023         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
11024         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
11025         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
11026         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
11027         (alpha*-*-freebsd*): Likewise.
11028         (alpha*-*-netbsd*): Likewise.
11029         (alpha*-*-openbsd*): Likewise.
11030         (alpha*-*-*): Remove target_cpu_default2.
11031         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
11032         handling.
11033         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
11034         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
11035         * config/alpha/alpha.c (print_operand): Always assume
11036         TARGET_AS_SLASH_BEFORE_SUFFIX.
11037         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
11038         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
11039         ("*builtin_setjmp_receiver_er_1"): Remove.
11040         * config/alpha/alpha.opt (malpha-as): Remove.
11041         (mgas): Ignore.
11042         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
11043         -malpha-as, -mgas.
11044         Remove DEC Unix reference.
11046         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
11047         (EXTENDED_COFF): Remove.
11048         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
11049         (EXTENDED_COFF): Don't undef.
11050         * config/alpha/alpha.c (alpha_file_start): Always assume
11051         OBJECT_FORMAT_ELF.
11052         Don't set targetm.asm_file_start_file_directive.
11053         [!OBJECT_FORMAT_ELF]: Remove.
11054         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
11056         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
11057         (DBX_DEBUGGING_INFO): Remove.
11058         (MIPS_DEBUGGING_INFO): Remove.
11059         (PREFERRED_DEBUGGING_TYPE): Remove.
11060         (DBX_OUTPUT_SOURCE_LINE): Remove.
11061         (SDB_OUTPUT_SOURCE_LINE): Remove.
11062         (DBX_CONTIN_LENGTH): Remove.
11063         (NO_DBX_FUNCTION_END): Remove.
11064         (ASM_STABS_OP): Remove.
11065         (ASM_STABN_OP): Remove.
11066         (ASM_STABD_OP): Remove.
11067         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
11068         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
11069         (PUT_SDB_DEF): Remove.
11070         (PUT_SDB_PLAIN_DEF): Remove.
11071         (PUT_SDB_TYPE): Remove.
11072         (sdb_label_count): Remove.
11073         (PUT_SDB_BLOCK_START): Remove.
11074         (PUT_SDB_BLOCK_END): Remove.
11075         (PUT_SDB_FUNCTION_START): Remove.
11076         (PUT_SDB_FUNCTION_END): Remove.
11077         (PUT_SDB_EPILOGUE_END): Remove.
11078         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
11079         (MIPS_DEBUGGING_INFO): Don't undef.
11080         (DBX_DEBUGGING_INFO): Don't undef.
11081         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
11082         (MIPS_DEBUGGING_INFO): Don't undef.
11083         (DBX_DEBUGGING_INFO): Don't undef.
11084         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
11085         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
11086         handling.
11087         (alpha_start_function): Likewise.
11088         (sdb_label_count): Remove.
11089         (alpha_output_filename): Remove DBX_DEBUG handling.
11090         (alpha_file_start): Likewise.
11092 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11094         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
11095         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
11096         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
11097         Solaris 8 support.
11098         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
11099         (ld_tls_support): Remove Solaris 8 references.
11100         (lwp_dir, lwp_spec): Remove support for alternate thread library.
11101         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
11102         * configure: Regenerate.
11103         * config.in: Regenerate.
11105         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
11106         * config/i386/sol2.h: Remove Solaris 8 references.
11108         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
11109         (i?86-*-solaris2.9): ... this.
11110         Remove Solaris 8 references.
11111         (Specific, *-*-solaris2*): Document Solaris 8 removal.
11112         Remove Solaris 8 references.
11114 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11116         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
11117         (mips-sgi-irix6.5*): Remove.
11118         * config.host (mips-sgi-irix*): Remove.
11119         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
11120         (set_have_as_tls): Remove *-*-irix6*.
11121         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
11122         * configure: Regenerate.
11124         * config/mips/iris6.h: Remove.
11125         * config/mips/iris6.opt: Remove.
11126         * config/mips/t-irix6: Remove.
11128         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
11129         (TARGET_IRIX6): Remove.
11130         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
11131         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
11132         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
11133         handling.
11134         (mips_file_start): Likewise.
11135         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
11137         * config/mips/driver-native.c [__sgi__]: Remove.
11138         (host_detect_local_cpu) [__sgi__]: Remove.
11140         * config/mips/gnu-user.h: Remove iris5.h reference.
11142         * config/mips/mips-modes.def: Remove IRIX 6 reference.
11143         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
11144         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
11145         Remove.
11147         * gcc.c (main): Move asm_debug initialization ...
11148         (asm_debug): ... here.
11150         * ginclude/stddef.h (__STDDEF_H__): Don't define.
11152         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
11153         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
11154         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
11155         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
11156         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
11157         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
11158         Remove.
11159         * doc/tm.texi: Regenerate.
11161         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
11162         IRIX 6 reference.
11163         (MIPS Options, -march): Remove IRIX reference.
11164         * doc/install.texi (Binaries, SGI IRIX): Remove.
11165         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
11166         of section.
11167         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
11169 2012-03-14  Martin Jambor  <mjambor@suse.cz>
11171         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
11172         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
11173         (expand_expr_real_1): Do not handle misalignment if modifier is
11174         EXPAND_WRITE.
11176 2012-03-14  Richard Guenther  <rguenther@suse.de>
11178         PR middle-end/52584
11179         * tree-vect-generic.c (type_for_widest_vector_mode): Take
11180         element type instead of mode, use build_vector_type_for_mode
11181         instead of the langhook, build a vector of proper signedness.
11182         (expand_vector_operations_1): Adjust.
11184 2012-03-14  Richard Guenther  <rguenther@suse.de>
11186         PR middle-end/52582
11187         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
11188         a cgraph node for a FUNCTION_DECL that comes from a constructor.
11189         (gimple_get_virt_method_for_binfo): Likewise.
11191 2012-03-14  Richard Guenther  <rguenther@suse.de>
11193         PR tree-optimization/52571
11194         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
11195         flag_section_anchors check ...
11196         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
11197         DECL_COMMON variables.
11199 2012-03-14  Richard Guenther  <rguenther@suse.de>
11201         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
11202         * stor-layout.c (start_bitfield_representative): New function.
11203         (finish_bitfield_representative): Likewise.
11204         (finish_bitfield_layout): Likewise.
11205         (finish_record_layout): Call finish_bitfield_layout.
11206         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
11207         for QUAL_UNION_TYPE fields.
11208         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
11209         Stream DECL_BIT_FIELD_REPRESENTATIVE.
11210         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
11212         PR middle-end/52080
11213         PR middle-end/52097
11214         PR middle-end/48124
11215         * expr.c (get_bit_range): Unconditionally extract bitrange
11216         from DECL_BIT_FIELD_REPRESENTATIVE.
11217         (expand_assignment): Adjust call to get_bit_range.
11219 2012-03-14  Richard Guenther  <rguenther@suse.de>
11221         PR middle-end/52578
11222         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
11223         the outermost conversion is a sign-change only.
11224         (fold_binary_loc): Disregard widening and sign-changing
11225         conversions when we determine if two variables are equal
11226         for reassociation.
11227         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
11228         (T1)x if the outermost conversion is a sign-change only.
11230 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
11232         Revert:
11233         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
11235         * config/i386/predicates.md (constant_call_address_operand): Declare
11236         as special predicate.  Update all uses.
11238 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
11240         PR c/52577
11241         * c-parser.c (c_parser_postfix_expression)
11242         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
11244         * config/i386/smmintrin.h: Avoid /* within a comment.
11245         * config/i386/nmmintrin.h: Likewise.
11247 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11249         * config/i386/i386.md (xbegin): Remove constraint from expander.
11251 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11253         * config/i386/predicates.md (constant_call_address_operand): Declare
11254         as special predicate.  Update all uses.
11255         * config/i386/i386.md: Remove mode from constant_call_address_operand
11256         predicates.
11257         * config/i386/i386.c (ix86_output_call_insn): Call
11258         constant_call_address_operand with VOIDmode.
11260 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11262         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
11263         AND zero extended address correctly.
11265 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11267         * config/i386/predicates.md (tls_symbolic_operand): Declare as
11268         special predicate.
11269         (tls_modbase_operand): Ditto.
11270         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
11271         tls_modbase_operand predicates.
11273 2012-03-13  Martin Jambor  <mjambor@suse.cz>
11275         * expr.c (expand_assignment): Handle misaligned scalar writes to
11276         memory through top-level MEM_REFs by calling store_bit_field.
11278 2012-03-13  Richard Guenther  <rguenther@suse.de>
11280         PR middle-end/52134
11281         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
11282         if Y is a constant multiple of 1 << CST.
11284 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
11286         PR target/52488
11287         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
11288         offset (size) to a value the insns can deal with.
11289         (expand_epilogue): Ditto.
11291 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11293         * config/arm/neon.ml (ops): Fixup expected instructions for
11294         unsigned vector compares.
11296 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11298         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
11299         addresses only when %reg is not in word mode.
11301 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11303         * config/microblaze/microblaze.md: Fix typo.
11304         * tree-if-conv.c: Likewise.
11305         * tree-vect-patterns.c: Likewise.
11307 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11309         * config.gcc (extra_passes): Remove.
11310         * configure.ac (extra_passes): Don't substitute.
11311         * configure: Regenerate.
11312         * Makefile.in (EXTRA_PASSES): Remove.
11313         (GCC_PASSES): Remove $(EXTRA_PASSES).
11314         (MOSTLYCLEANFILES): Likewise.
11315         (native): Likewise.
11316         (install-common): Likewise.
11318 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11320         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
11321         * config/i386/i386.c (ix86_decompose_address): Use
11322         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
11323         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
11324         thread pointer to a register.
11326 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11328         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
11329         on tls_symbolic_operand.
11330         (tls_global_dynamic_64_<mode>): Likewise.
11332 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
11334         PR other/52545
11335         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
11336         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
11338 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
11340         PR target/52499
11341         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
11342         type from reg_class_t to enum reg_class.
11343         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
11345 2012-03-12  Andrew Pinski  <apinski@cavium.com>
11347         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
11348         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
11349         (value_replacement): Likewise.
11350         (empty_block_p): Check also if the PHIs for the block are empty.
11352 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
11354         PR target/52148
11355         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
11356         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
11357         r184615 from 2012-02-28.
11359 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11361         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
11362         (ix86_gen_tls_local_dynamic_base_64): Likewise.
11363         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
11364         and ix86_gen_tls_local_dynamic_base_64.
11365         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
11366         ix86_gen_tls_local_dynamic_base_64.
11368         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
11369         (*tls_global_dynamic_64_<mode>): This.
11370         (tls_global_dynamic_64): Renamed to ...
11371         (tls_global_dynamic_64_<mode>): This.
11372         (*tls_local_dynamic_base_64): Renamed to ...
11373         (*tls_local_dynamic_base_64_<mode>): This.
11374         (tls_local_dynamic_base_64): Renamed to ...
11375         (tls_local_dynamic_base_64_<mode>): This.
11377 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11379         * config/i386/i386.c (ix86_option_override_internal): Properly
11380         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
11381         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
11382         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
11383         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
11385         * config/i386/sse.md (sse3_monitor64): Renamed to ...
11386         (sse3_monitor64_<mode>): This.
11388 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11390         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
11391         (ia64_function_arg_advance): Ditto.
11393 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11395         * config.gcc (mips*-*-openbsd*): Remove.
11396         * config/mips/openbsd.h: Remove.
11397         * config/mips/sdb.h: Remove.
11399         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
11400         * config/mips/mips.c (sdb_label_count): Remove.
11401         (mips_debugger_offset): Remove #if 0 code.
11402         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
11403         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
11405 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11407         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
11408         binutils reference.
11409         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
11410         Update binutils references.
11411         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
11412         Update binutils reference.
11413         Update Sun as/GNU ld caveat.
11414         Document binutils largefile requirement for LTO plugin.
11415         Remove reference to alternate libpthread.
11417 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11419         * config.gcc (alpha*-dec-osf5.1*): Remove.
11420         * config.host (alpha*-dec-osf*): Remove.
11421         * configure.ac (*-*-osf*): Remove.
11422         (alpha*-dec-osf*): Remove.
11423         * configure: Regenerate.
11425         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
11426         config/alpha/va_list.h, config/alpha/x-osf: Remove.
11428         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
11429         * config/alpha/alpha.c (struct machine_function): Update comment.
11430         (alpha_start_function): Remove Tru64 UNIX as handling for
11431         max_frame_size.
11432         * config/alpha/alpha.md ("exception_receiver"): Remove
11433         TARGET_LD_BUGGY_LDGP.
11434         ("*exception_receiver_2"): Likewise.
11435         * except.c (finish_eh_generation): Remove Tru64 reference.
11436         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
11437         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
11438         * target.def (handle_pragma_extern_prefix): Remove.
11440         * Makefile.in (mips-tfile.o-warn): Remove.
11441         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
11442         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
11443         * mips-tdump.c, mips-tfile.c: Remove.
11445         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
11446         extern_prefix.
11447         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
11448         (Specific, alpha*-dec-osf5.1): Note removal.
11449         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
11450         Remove.
11451         * doc/tm.texi: Regenerate.
11452         * doc/trouble.texi (Cross-Compiler Problems): Remove.
11454 2012-03-12  Richard Guenther  <rguenther@suse.de>
11456         * config/arm/arm.c (neon_dereference_pointer): Do not call
11457         covert during RTL expansion.
11459 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11461         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
11462         Options.  Mention -mpointer-size.
11464 2012-03-12  Richard Guenther  <rguenther@suse.de>
11466         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
11467         build_nonstandard_integer_type.
11469 2012-03-12  Richard Guenther  <rguenther@suse.de>
11471         * tree.c (signed_or_unsigned_type_for): Use
11472         build_nonstandard_integer_type.
11473         (signed_type_for): Adjust documentation.
11474         (unsigned_type_for): Likewise.
11475         * tree-pretty-print.c (dump_generic_node): Use standard names
11476         for non-standard integer types if available.
11478 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11480         * config/vms/vms.opt: Add vms-opts.h header.
11481         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
11482         target mask.
11483         (-mvms-return-codes): Document.
11484         (-mpointer-size): New option.
11485         (vms_pointer_size): Add enumeration.
11486         * config/vms/vms-opts.h: New file.
11487         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
11488         __INITIAL_POINTER_SIZE.
11489         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
11490         (C_COMMON_OVERRIDE_OPTIONS): Define.
11491         (DWARF2_ADDR_SIZE): Define.
11492         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
11493         * config/vms/vms-protos.h (vms_c_common_override_options):
11494         New prototype.
11495         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
11496         if -mno-pointer-size.
11497         (vms_c_common_override_options): New function.
11498         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
11499         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
11500         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
11501         and flag_vms_pointer_size.
11502         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
11503         * config.gcc (*-*-*vms*): Define xm_file.
11504         (alpha*-dec-*vms*): Do not define xm_file.
11505         (alpha64-dec-*vms*): Remove.
11506         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
11507         and tmake_file.
11509 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
11511         PR tree-optimization/51721
11512         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
11513         if (int) unsvar cmp CST.
11515 2012-03-12  Richard Guenther  <rguenther@suse.de>
11517         * tree-sra.c (create_access_replacement): Only rename the replacement
11518         if we can rewrite it into SSA form.  Properly mark register typed
11519         replacements that we cannot rewrite with TREE_ADDRESSABLE.
11520         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
11521         for aggregate or BLKmode results.
11523 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
11525         PR tree-optimization/52533
11526         * tree-vrp.c (register_edge_assert_for_2): Use double_int
11527         type for mask, only handle shifts by non-zero in-range
11528         shift count, for LE_EXPR and GT_EXPR if new_val is
11529         maximum, don't add the assertion.
11531 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
11533         * doc/invoke.texi: Document -mrtm option.
11534         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
11535         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
11536         (ix86_handle_option): Handle OPT_mrtm.
11537         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
11538         xtestintrin.h.
11539         (x86_64-*-*): Ditto.
11540         * i386-builtin-types.def (INT_FTYPE_VOID): New.
11541         * config/i386/i386-c.c (ix86_target_macros_internal): Define
11542         __RTM__ if needed.
11543         (ix86_target_string): Define -mrtm option.
11544         (PTA_RTM): New.
11545         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
11546         Handle new option.
11547         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
11548         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
11549         IX86_BUILTIN_XTEST.
11550         (bdesc_special_args): Ditto.
11551         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
11552         (ix86_expand_special_args_builtin): Handle new built-in type.
11553         (ix86_expand_builtin): Handle XABORT instruction.
11554         * config/i386/i386.h (TARGET_RTM): New.
11555         * config/i386/i386.md (UNSPECV_XBEGIN): New.
11556         (UNSPECV_XEND): Ditto.
11557         (UNSPECV_XABORT): Ditto.
11558         (UNSPECV_XTEST): Ditto.
11559         (xbegin): Ditto.
11560         (xbegin_1): Ditto.
11561         (xend): Ditto.
11562         (xabort): Ditto
11563         (xtest): Ditto.
11564         (xtest_1): Ditto.
11565         * config/i386/i386.opt (mrtm): New.
11566         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
11567         * config/i386/rtmintrin.h: New header.
11568         * config/i386/xtestintrin.h: Ditto.
11570 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11572         * ginclude/stddef.h: Adjust previous patch.
11573         Use __VMS__ instead of VMS.
11575 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
11577         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
11578         Also convert sequences with CC setting arithmetic instruction.
11580 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
11582         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
11583         from C Language Options to Preprocessor Options.
11584         (C Dialect Options): Move -no-integrated-cpp documentation
11585         from here...
11586         (Preprocessor Options): ...to here.  Rewrite the description
11587         so it makes more sense, and remove discussion of merging front ends.
11589 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11591         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
11592         needed for loop.
11593         (ix86_expand_setmem): Likewise.
11595 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
11597         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
11598         convert_to_mode.
11600 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11602         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
11603         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
11605 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11607         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
11609 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11611         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
11612         TARGET_64BIT.
11614 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11615             Uros Bizjak  <ubizjak@gmail.com>
11617         * config/i386/predicates.md (call_insn_operand): Allow
11618         constant_call_address_operand in Pmode only.
11619         (sibcall_insn_operand): Ditto.
11620         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
11621         (*call_vzeroupper): Ditto.
11622         (*sibcall): Ditto.
11623         (*sibcall_vzeroupper): Ditto.
11624         (*call_value): Ditto.
11625         (*call_value_vzeroupper): Ditto.
11626         (*sibcall_value): Ditto.
11627         (*sibcall_value_vzeroupper): Ditto.
11628         (*indirect_jump): Ditto.
11629         (*tablejump_1): Ditto.
11630         (indirect_jump): Convert memory address to word mode for TARGET_X32.
11631         (tablejump): Ditto.
11632         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
11633         to word mode.
11635 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
11637         PR target/51244
11638         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
11639         Use movrt_negc instead of negc pattern for non-SH2A.
11640         (*movnegt): Remove.
11641         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
11643 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
11645         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
11646         if Pmode != word_mode.
11647         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
11648         Pmode == SImode for TARGET_X32.
11650         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
11651         (tls_initial_exec_x32): Likewise.
11653 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
11655         PR rtl-optimization/52528
11656         * combine.c (can_combine_p): Add setting of subst_low_luid
11657         before call to expand_field_assignment().
11659 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
11661         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
11662         and related program names.
11664 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
11666         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
11668 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
11670         PR target/52530
11671         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
11672         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
11673         to set code to 'q'.
11674         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
11675         (*movdi_internal_rex64): Use %E operand modifier for lea.
11676         (*movsi_internal): Ditto.
11677         (*lea_1): Ditto.
11678         (*lea<mode>_2): Ditto.
11679         (*lea_{3,4,5,6}_zext): Ditto.
11680         (*tls_global_dynamic_32_gnu): Ditto.
11681         (*tls_global_dynamic_64): Ditto.
11682         (*tls_dynamic_gnu2_lea_32): Ditto.
11683         (*tls_dynamic_gnu2_lea_64): Ditto.
11684         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
11686 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
11688         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
11689         redefine to be NULL if the current bit-size is different from the
11690         configured bit-size.
11692         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
11693         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
11694         set the default tuning.  Add asserts to make sure the cpu and tune
11695         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
11696         test whether the index is set, instead of > 0.
11697         (rs6000_file_start): Do not reset the default cpu if the current
11698         bit-size is different from the configured bit-size.
11700 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11702         * config/vms/vms-crtlmap.map: Add comments.
11703         Add entries needed to build Ada RTS.
11705 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11707         * ginclude/stddef.h: Do not define __size_t on VMS.
11709 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11711         * c-tree.h (c_default_pointer_mode): New variable.
11712         * c-decl.c (c_default_pointer_mode): New variable.
11713         (c_build_pointer_type): New function.
11714         (grokdeclarator): Call c_build_pointer_type instead
11715         of build_pointer_type.
11717         * config/vms/vms-c.c: Include c-tree.h
11718         (saved_pointer_mode): New variable.
11719         (handle_pragma_pointer_size): New function.
11720         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
11721         (vms_c_register_pragma): Register __pointer_size and
11722         __required_pointer_size pragmas.
11724 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11726         * config/vms/vms-c.c (vms_construct_include_filename): New function.
11727         (vms_c_register_includes): Reference it.
11729 2012-03-09  Andrew Pinski  <apinski@cavium.com>
11731         PR middle-end/51988
11732         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
11733         print_generic_expr.
11734         (tree_ssa_phiopt_worker): Go through all the PHIs for
11735         value_replacement instead of just the singleton one.
11736         (value_replacement): Change return type to int.  Return 0 instead of
11737         false.
11738         Allow the middle basic block to contain more than just the defining
11739         statement.
11740         Handle non empty middle basic blocks.
11741         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
11743 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
11745         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
11746         array reference and component reference.
11747         (analyze_scalar_evolution_for_address_of): New.
11749 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
11751         PR target/49862
11752         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
11753         (hwloop_pattern_reg): Fix set but not used warning.
11754         (bfin_reorg_loops): Remove unused parameter.
11755         (bfin_reorg): Update use of bfin_reorg_loops.
11757 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
11759         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
11760         with integer parameters in registers.
11761         (gen_push): Push register in word_mode instead of Pmode.
11762         (ix86_emit_save_regs): Likewise.
11763         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
11764         (gen_pop): Pop register in word_mode instead of Pmode.
11765         (ix86_emit_restore_regs_using_pop): Likewise.
11766         (ix86_expand_prologue): Replace Pmode with word_mode for push
11767         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
11768         restore RAX and R10 in word_mode.
11769         (ix86_emit_restore_regs_using_mov): Restore integer registers
11770         in word_mode.
11771         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
11772         word_mode.
11773         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
11774         (ix86_split_long_move): Likewise.
11776         * config/i386/i386.md (W): New.
11777         (*push<mode>2_prologue): Replace :P with :W.
11778         (*pop<mode>1): Likewise.
11779         (*pop<mode>1_epilogue): Likewise.
11780         (push/pop peephole2): Use word_mode scratch registers.
11782 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
11784         * config/i386/predicates.md (indirect_branch_operand): Simplify.
11786 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
11788         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
11789         for constants in [-63,63].
11791 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
11793         PR target/52530
11794         Revert:
11795         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
11797         * config/i386/i386.c (ix86_print_operand_address): Only handle
11798         zero-extended DImode addresses.
11800 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11802         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
11803         * configure: Regenerate.
11805 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
11807         PR target/52496
11808         * config/avr/avr.c (avr_mem_clobber): New static function.
11809         (avr_expand_delay_cycles): Add memory clobber operand to
11810         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
11811         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
11812         (enable_interrupt, disable_interrupt): New expander.
11813         (nopv, sleep, wdr): New expanders.
11814         (delay_cycles_1): Add memory clobber.
11815         (delay_cycles_2): Add memory clobber.
11816         (delay_cycles_3): Add memory clobber.
11817         (delay_cycles_4): Add memory clobber.
11818         (cli_sei): New insn from former "enable_interrupt",
11819         "disable_interrupt" with memory clobber.
11820         (*wdt): New insn from former "wdt" with memory clobber.
11821         (*nopv): Similar, but for "nopv".
11822         (*sleep): Similar, but for "sleep".
11824 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
11825             Kaz Kojima  <kkojima@gcc.gnu.org>
11827         PR target/52503
11828         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
11829         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
11830         (SUBTARGET_OVERRIDE_OPTIONS): Define.
11832 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
11834         * config/i386/predicates.md (x86_64_zext_general_operand): New.
11835         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
11836         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
11838 2012-03-07  Walter Lee  <walt@tilera.com>
11840         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
11841         REG_CFA_* notes for the stack pointer.
11842         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
11843         EH_RETURN_STACKADJ_RTX.
11844         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
11845         generate REG_CFA_* notes for the stack pointer.
11846         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
11847         by EH_RETURN_STACKADJ_RTX.
11849 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11851         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
11852         when __AVR_3_BYTE_PC__ is defined.
11854 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
11856         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
11857         (ix86_print_operand): Handle '^'.
11858         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
11859         using P mode iterator.  Add %^ to asm template to conditionally emit
11860         addr32 prefix.
11861         (*rep_movdi_rex64): Ditto.
11862         (*strsetdi_rex_1): Ditto.
11863         (*rep_stosdi_rex64): Ditto.
11864         (*strmov{si,hi,qi}_1): Add %^ to asm template to
11865         conditionally emit addr32 prefix.
11866         (*rep_mov{si,qi}): Ditto.
11867         (*strset{si,hi,qi}): Ditto.
11868         (*rep_stos{si,qi}): Ditto.
11869         (*cmpstrnqi_nz_1): Ditto.
11870         (*cmpstrnqi_1): Ditto.
11871         (*strlenqi_1): Ditto.
11873 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
11875         * config/i386/i386.c (function_value_64): Return pointers in
11876         word_mode instead of Pmode.
11877         (ix86_promote_function_mode): Likewise.
11879 2012-03-07  Richard Guenther  <rguenther@suse.de>
11881         * coverage.c (get_gcov_type): Use type_for_mode.
11882         (get_gcov_unsigned_t): Likewise.
11883         * expr.c (store_constructor): Use type_for_mode.
11884         (try_casesi): Likewise.
11885         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
11886         (add_standard_iv_candidates): Use standard type trees.
11887         * dojump.c (do_jump): Remove dead code.
11889 2012-03-07  Richard Guenther  <rguenther@suse.de>
11891         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
11893 2012-03-07  Richard Guenther  <rguenther@suse.de>
11895         * convert.c (strip_float_extensions): Move ...
11896         * tree.c (strip_float_extensions): ... here.
11898 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11900         PR target/52484
11901         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
11903 2012-03-07  Richard Guenther  <rguenther@suse.de>
11905         * omp-low.c (extract_omp_for_data): Use signed_type_for.
11906         (expand_omp_for_generic): Likewise.
11907         (expand_omp_for_static_nochunk): Likewise.
11908         (expand_omp_for_static_chunk): Likewise.
11909         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
11910         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
11911         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
11912         Use unsigned_type_for.
11913         (vect_create_cond_for_align_checks): Use signed_type_for.
11915 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
11917         PR rtl-optimization/52203
11918         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
11919         all callers to pass NULL except ...
11920         (reset_sched_cycles_in_current_ebb): ... here, save the value
11921         in new variable 'empty'.  Increase issue_rate only for
11922         non-empty insns.
11924 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
11926         PR target/51417
11927         * Makefile.in: Let install-gcc-ar depend on installdirs,
11928         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
11929         Don't double canonicalize if cross-compiling.
11931 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11933         PR target/52506
11934         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
11935         to: RAMPZ, RAMPY, RAMPX, RAMPD.
11936         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
11938 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11940         PR target/52505
11941         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
11942         from RAM.
11943         * config/avr/avr.md (xload_8): Adjust insn length.
11945 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11947         PR target/52461
11948         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
11949         if RAMPZ affects reading from RAM.
11951 2012-03-07  Richard Guenther  <rguenther@suse.de>
11953         PR pch/52518
11954         PR pch/38987
11955         * doc/invoke.texi (Precompiled Headers): Remove sentence that
11956         suggests you can include PCHs from inside another header.
11958 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
11960         PR middle-end/52515
11961         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
11963 2012-03-07  Kai Tietz  <ktietz@redhat.com>
11965         * doc/invoke.texi (fwritable-relocated-rdata): Document
11966         new Cygwin/MinGW target option.
11967         * config/i386/winnt.c (i386_pe_unique_section): Ignore
11968         reloc if flag -fwritable-relocated-rdata is not set.
11969         (i386_pe_section_type_flags): Likewise.
11970         * config/i386/cygming.opt (fwritable-relocated-rdata):
11971         Add new flag variable flag_writable_rel_rdata.
11973 2012-03-07  Richard Guenther  <rguenther@suse.de>
11975         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
11976         precision against gimple constraints.
11978 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
11980         PR middle-end/52372
11981         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
11982         variables.
11983         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
11984         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
11985         variables.
11986         (init_emit_regs): Move associated initialization to...
11987         (init_emit_once): ...here.
11989 2012-03-06  Richard Henderson  <rth@redhat.com>
11991         * config/m68k/m68k.h (ISA_HAS_TAS): New.
11992         * config/m68k/sync.md (atomic_test_and_set): Use it.
11993         (atomic_test_and_set_1): Likewise.
11995 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
11997         PR target/50310
11998         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
11999         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
12000         (vector_ltgt<mode>): Likewise.
12001         (vector_ordered<mode>): Likewise.
12002         (vector_unordered<mode>): Likewise.
12003         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
12005 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
12007         * trans-mem.c: New typedef for tm_region_p.
12008         Define vector types for tm_region_p.
12009         (tm_region_init): Replace region_worklist to a vector called
12010         bb_regions.
12012 2012-03-06  Richard Guenther  <rguenther@suse.de>
12014         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
12015         MEM_REF with constant pointer operand.
12017 2012-03-06  Richard Guenther  <rguenther@suse.de>
12019         PR middle-end/52493
12020         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
12022 2012-03-06  Tristan Gingold  <gingold@adacore.com>
12024         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
12025         (external_model_kind): Improve documentation.
12026         (vms_pragma_extern_model): Handle relaxed_redef.
12027         (vms_c_register_pragma): Allow expansion for nomember_alignment.
12029 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
12031         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
12032         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
12033         Some more notes on EIND usage and reorder EIND subsection.
12035 2012-03-06  Tristan Gingold  <gingold@adacore.com>
12037         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
12038         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
12040 2012-03-06  Tristan Gingold  <gingold@adacore.com>
12042         * config/vms/t-vmsnative (version): Define.
12043         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
12045 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
12047         PR rtl-optimization/52250
12048         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
12049         to put note list into.  Unconditionally call move_bb_info.
12050         (move_bb_info): Do not assert the blocks being in the same region,
12051         just drop the note list if they are not.
12053 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
12055         PR target/51244
12056         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
12057         and use unified expansion logic.
12058         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
12059         closer to the existing movt insn.
12060         (negc): Rename insn to *negc.  Add new expander.
12061         (movnegt): Use xor pattern for T bit negation.  Reserve helper
12062         constant for negc pattern.
12063         (*movnegt): New insn and splitter.
12065 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
12067         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
12068         PLUS_EXPR.
12070 2012-03-05  Richard Henderson  <rth@redhat.com>
12072         * genemit.c (main): Include "target.h" in insn-emit.c.
12073         * Makefile.in (insn-emit.o): Depend on TARGET_H.
12074         * config/sh/sync.md (atomic_test_and_set): Reference
12075         targetm.atomic_test_and_set_trueval instead of
12076         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
12078 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
12080         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
12081         Make static.
12083 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
12085         * langhooks.c (add_builtin_type): New function.
12086         * langhooks.h (add_builtin_type): Export it.
12087         * config/mep/mep.c (mep_init_builtins): Use it.
12088         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
12090 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
12092         PR debug/51902
12093         * tree.h (BLOCK_SAME_RANGE): Define.
12094         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
12095         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
12096         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
12097         isn't equal to supercontext fragment's fragment chain.
12098         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
12099         fragment origin.
12100         (blocks_nreverse_all): Likewise.
12101         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
12102         BLOCK_SUPERCONTEXT to supercontext fragment instead of
12103         supercontext fragment's fragment origin.
12104         * dwarf2out.c (add_high_low_attributes): If stmt has the same
12105         range as its parent (or parents thereof etc.), use the parent's
12106         DW_AT_ranges value instead of creating a new .debug_ranges range.
12108 2012-03-05  Richard Henderson  <rth@redhat.com>
12110         PR tree-opt/52242
12111         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
12112         * omp-low.c (expand_omp_atomic): Assume anything aligned to
12113         BIGGEST_ALIGNMENT is aligned.
12115 2012-03-05  Richard Henderson  <rth@redhat.com>
12117         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
12118         * config/sh/sh.c: ... here.
12120 2012-03-05  Richard Henderson  <rth@redhat.com>
12122         PR target/52481
12123         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
12124         instead of calling negqi2 directly.
12126 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
12128         PR middle-end/52463
12129         * trans-mem.c (tm_region_init): Use last_basic_block.
12131 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
12133         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
12134         * config/sh/sync.md (atomic_test_and_set): New expander.
12135         (tasb, atomic_test_and_set_soft): New insns.
12136         * config/sh/sh.opt (menable-tas): New option.
12137         * doc/invoke.texi (SH Options): Document it.
12139 2012-03-05  Richard Guenther  <rguenther@suse.de>
12141         * cfgloop.c (verify_loop_structure): Verify dominators before
12142         using them.
12143         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
12144         dominators from here.
12145         * graphite-scop-detection.c (create_sese_edges): Likewise.
12146         * loop-doloop.c (doloop_optimize_loops): Likewise.
12147         * loop-init.c (loop_optimizer_init): Likewise.
12148         * loop-unroll.c (unroll_and_peel_loops): Likewise.
12149         * loop-unswitch.c (unswitch_loops): Likewise.
12150         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
12151         * tree-parloops.c (parallelize_loops): Likewise.  Verify
12152         only when checking is enabled.
12153         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
12155 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
12157         * genautomata.c (parse_automata_opt): New static function.
12158         (initiate_automaton_gen): Remove all option handling code.  Remove
12159         argc argument.  All callers changed.
12160         (main): Call init_rtx_reader_args_cb with the new function as argument.
12162 2012-03-05  Richard Guenther  <rguenther@suse.de>
12164         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
12165         * tree-if-conv.c (combine_blocks): Free post-dominator info
12166         after breaking it.
12167         * tree-parloops.c (create_parallel_loop): Free and re-compute
12168         dominator info after breaking it.
12170 2012-03-05  Richard Guenther  <rguenther@suse.de>
12172         PR middle-end/52353
12173         * optabs.h (trapv_unoptab_p): New function.
12174         (trapv_binoptab_p): Likewise.
12175         * optabs.c (expand_binop): Use emit_libcall_block_1 with
12176         a proper equiv_may_trap argument.
12177         (expand_unop): Likewise.
12178         (emit_libcall_block_1): Take extra argument whether the
12179         instruction may trap.  Renamed from ...
12180         (emit_libcall_block): ... this.  New wrapper.
12182 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
12184         PR tree-optimization/51721
12185         * tree-vrp.c (register_edge_assert_for_2): If comparing
12186         lhs of right shift by constant with an integer constant,
12187         add ASSERT_EXPRs for the rhs1 of the right shift.
12189         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
12191 2012-03-05  Richard Guenther  <rguenther@suse.de>
12193         * tree.c (integer_zerop): Handle VECTOR_CSTs.
12194         (integer_onep): Likewise.
12195         (integer_all_onesp): Likewise.
12197 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
12199         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
12201 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
12203         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
12204         instead of TARGET_64BIT.
12206 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
12208         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
12209         adjust_stack_insn.
12211 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
12213         * config/i386/i386.c (ix86_print_operand_address): Only handle
12214         zero-extended DImode addresses.
12216 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
12218         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
12219         taken and cputaken as bool.
12221 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
12223         * config/i386/constraints.md (Ya): New internal constraint.
12224         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
12225         (*zero_extendsidi2_rex64): Add x,x alternative.
12226         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
12227         Remove flags reg clobber.  Adjust corresponding splits.
12228         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
12229         zero_extendqisi2 expanders using SWI12 mode iterator.
12230         (zero_extend<mode>si2_and): Macroize insn from
12231         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
12232         splitters.
12233         (*zero_extend<mode>si2):  Macroize insn from
12234         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
12235         (*zero_extend*2_movzbl_and): Remove insn patterns.
12236         (zero_extendqihi2_and): Merge corresponding splitter.
12237         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
12238         (*zero_extend*2_movzbl_and): Remove insn patterns.
12239         (*anddi_1): Split TYPE_IMOVX instructions.
12240         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
12241         (*andhi_1): Ditto.
12242         (and->zext splitter): Add splitter pattern.
12243         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
12245 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
12247         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
12248         x86-specific text.
12249         (Debugging Options): Likewise.
12250         (Optimize Options): Likewise.
12251         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
12252         with other architectures.  Use official processor names with correct
12253         spelling/capitalization.  Fix formatting and grammar issues.
12254         (i386 and x86-64 Windows Options): Similar cleanup here.
12256 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12258         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
12260 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12262         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
12263         DBX_REGISTER_NUMBER.
12265 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12267         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
12268         operand is CONST_INT.  Take COSTS_N_INSNS into account.
12269         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
12270         of shiftcosts.
12272 2012-03-02  Richard Henderson  <rth@redhat.com>
12274         * optabs.c (expand_atomic_test_and_set): Honor
12275         atomic_test_and_set_trueval even when atomic_test_and_set
12276         optab is not in use.
12278 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
12280         PR target/48596
12281         PR target/48806
12282         * config/sh/sh.c (sh_register_move_cost): Increase cost between
12283         GENERAL_REGS and FP_REGS for SImode.
12285 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12287         PR target/49486
12288         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
12289         (absdi2): New expander.
12290         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
12292 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12294         * config/sh/sync.md (atomic_exchange<mode>): New expander.
12295         (atomic_exchange<mode>_soft): New insn.
12297 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12299         * config/sh/sync.md: Update copyright notice dates.
12300         (atomic_compare_and_swap<mode>): Use SImode for return value instead
12301         of QImode.
12302         (atomic_compare_and_swap<mode>_soft): Likewise.
12304 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12306         PR target/31640
12307         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
12308         * config/sh/sh.c: Update copyright notice dates.
12309         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
12310         alignment for TARGET_HARD_SH4.
12311         (sh_option_override): Reduce default function alignment.  Set
12312         loop alignment to 4 bytes when not optimizing for size.
12314 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
12316         PR middle-end/50335
12317         * doc/invoke.texi (floop-flatten): Remove.
12318         * toplev.c (process_options): Remove references to flag_loop_flatten.
12319         * tree-ssa-loop.c (gate_graphite_transform): Same.
12320         * common.opt (floop-flatten): Obsolete.
12321         * graphite-poly.c (apply_poly_transforms): Remove reference to
12322         flag_loop_flatten.
12323         * Makefile.in (graphite-flattening.o): Remove.
12324         * graphite-flattening.c: Remove.
12326 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
12328         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
12329         having mode compatible with the mode of previous compare.  Substitute
12330         compare mode of previous compare with the mode, compatible
12331         with eliminated and previous compare.
12333 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
12335         * config/rs6000/dfp.md (floatdidd2): New define_insn.
12337 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
12339         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
12340         compatible with CCGOCmode and CCGCmode.
12342 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
12344         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
12346 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
12348         * config/arm/arm.c (arm_sat_operator_match): New function.
12349         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
12350         * config/arm/arm.md ("insn" attribute): Add "sat" value.
12351         ("SAT", "SATrev"): New code iterators.
12352         ("SATlo", "SAThi"): New code iterator attributes.
12353         ("*satsi_<SAT:code>"): New pattern.
12354         ("*satsi_<SAT:code>_shift"): Likewise.
12355         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
12356         and "shift" attributes.
12357         ("arm_usatsihi"): Add "insn" attribute.
12358         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
12359         by powers of two.  Do not allow shift by 32.
12361 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
12363         PR target/46716
12364         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
12365         to pass the argument in the register of "natural" mode.
12367 2012-03-02  Richard Guenther  <rguenther@suse.de>
12369         PR tree-optimization/52406
12370         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
12371         (struct indices): Add unconstrained_base member.
12372         (struct dr_alias): Remove unused vops member.
12373         (DR_UNCONSTRAINED_BASE): New define.
12374         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
12375         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
12376         be an artificial access that covers the whole indexed object,
12377         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
12378         plain decl base-objects to their MEM_REF variant.
12379         (dr_may_alias_p): When the base-object of either data reference
12380         has unknown size use only points-to information.
12381         (compute_affine_dependence): Make dumps easier to read and
12382         more verbose.
12383         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
12384         DR_REF when looking for packed references.
12385         (vect_supportable_dr_alignment): Likewise.
12387 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
12389         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
12390         Improve conditions for peepholes of loads followed by commutative
12391         operators.
12392         * config/arm/ldmstm.md: Regenerated.
12394 2012-03-02  Richard Guenther  <rguenther@suse.de>
12396         * BASE-VER: Set to 4.8.0.
12398 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
12400         * config.gcc (obsolete): Add all ARM targets using the FPA.
12401         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
12402         * doc/install.texi: Avoid references to obsolete ARM ports.
12404 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
12406         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
12408 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12409             Joern Rennecke  <joern.rennecke@embecosm.com>
12411         * doc/extend.texi: Expand and update information on interrupt
12412         attribute for Epiphany.
12414 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
12416         * config/sh/sh-protos.h: Update copyright notice dates.
12417         * config/sh/sh.h: Likewise.
12418         * config/sh/sh.md: Likewise.
12419         * config/sh/constraints.md: Likewise.
12420         * config/sh/predicates.md: Likewise.
12422 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
12424         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
12425         * config/sh/sh.c (tertiary_reload_operand): Likewise.
12427 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
12429         * config/sh/constraints.md: Fix comment typo.
12431 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12433         PR target/52408
12434         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
12435         unsigned HOST_WIDE_INT.
12436         (zvdep_imm64): Likewise.
12437         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
12438         (vdepi_and): Likewise.
12439         Likewise for unamed 64-bit patterns.
12440         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
12442 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
12444         PR debug/52001
12445         PR rtl-optimization/52417
12446         * cselib.c (cselib_any_perm_equivs): New variable.
12447         (cselib_reset_table): Check that it's not set when not
12448         preserving constants.
12449         (cselib_add_permanent_equiv): Set it.
12450         (cselib_have_permanent_equivalences): New.
12451         (cselib_init, cselib_finish): Reset it.
12452         * cselib.h (cselib_have_permanent_equivalences): Declare.
12453         * alias.c (get_addr): Restore earlier behavior when there
12454         aren't permanent equivalences.
12456 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
12458         * config/mn10300/mn10300-modes.def: Fix copyright notice.
12459         * config/v850/v850-modes.def: Fix copyright notice.
12461 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
12463         * doc/extend.texi (AVR Built-in Functions): Document
12464         __builtin_avr_flash_segment.
12466         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
12467         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
12468         (*split.flash_segment): New insn-and-split.
12469         * config/avr/avr.c (avr_init_builtins): Add local variables:
12470         const_memx_void_node, const_memx_ptr_type_node,
12471         char_ftype_const_memx_ptr.
12473 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
12475         PR tree-optimization/52445
12476         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
12477         add ssa_name_ver, offset and size fields and change store field
12478         to bool.
12479         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
12480         (add_or_mark_expr): Likewise.  Only consider previous stores
12481         with the same size and offset.
12482         (nt_init_block): Only look at gimple_assign_single_p stmts,
12483         doesn't look at rhs2.
12485 2012-03-01  Richard Guenther  <rguenther@suse.de>
12487         PR middle-end/52443
12488         * tree-cfg.c (verify_gimple_assign_unary): Allow any
12489         conversions from integral types to pointer types.
12491 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
12493         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
12494         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
12495         unintentionally removed in r184616.
12497 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12499         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
12500         3DNow from bdver1.
12502 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
12503             Uros Bizjak  <ubizjak@gmail.com>
12505         PR target/52437
12506         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
12507         alternatives, add "e" constraint to the new last alternative
12508         and ! to last 3 alternatives.
12510 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
12512         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
12513         DW_AT_artificial attributes at the end of the processing.
12514         (gen_array_type_die): Likewise.
12515         (gen_enumeration_type_die): Likewise.
12516         (gen_struct_or_union_type_die): Likewise.
12517         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
12518         the parent type.
12520 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
12522         PR middle-end/52419
12523         * expr.c (expand_assignment): If doing misaligned store that doesn't
12524         cover all mode bits, perform a RMW cycle.
12526         PR tree-optimization/52429
12527         * tree-parloops.c (separate_decls_in_region_debug): Return early
12528         if var is LABEL_DECL.
12530 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12532         PR tree-optimization/52424
12533         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
12534         calling dom_thread_across_edge.
12536 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12538         * config/avr/avr.c: Move definition of TARGET macros to end of file.
12540 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12542         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
12543         * config/avr/avr.c (avr_output_bld): Remove unused function.
12544         (avr_out_sbxx_branch): Use "%T" to print bit position.
12546 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12548         * config/avr/avr.md: Untabify.
12550 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12552         * config/avr/avr.md (eqne): New code iterator.
12553         (*dec-and-branchsi): Use it in text peephole's condition.
12554         (*dec-and-branchhi): Ditto.
12555         (*dec-and-branchqi): Ditto.
12557 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12559         PR target/49939
12560         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
12561         the device does not have the skip-bug.
12563 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
12565         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
12566         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
12567         -mpretend-cmove): New.
12569 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
12571         PR bootstrap/52397
12572         * df.h (struct df_d): Adjust comment that hard_regs_live_count
12573         doesn't count DEBUG_INSN refs.
12574         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
12575         for DEBUG_INSN refs.
12577 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12579         Partially revert:
12581         2012-02-20  Richard Guenther  <rguenther@suse.de>
12582         PR tree-optimization/52298
12583         * tree-vect-stmts.c (vectorizable_load): Properly use
12584         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
12586 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
12588         PR middle-end/51752
12589         * gimple.h (gimple_in_transaction): New.
12590         (gimple_set_in_transaction): New.
12591         (struct gimple_statement_base): Add in_transaction field.
12592         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
12593         transaction loads.
12594         (tree_ssa_lim_initialize): Compute transaction bits.
12595         * tree.h (compute_transaction_bits): Protoize.
12596         * trans-mem.c (tm_region_init): Use the heap to store BB
12597         auxilliary data.
12598         (compute_transaction_bits): New.
12600 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12602         * gcc.c (display_help): Document --help=common and sort entries
12603         alphabetically.
12605 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12607         * doc/install.texi: Document check-$LANG specific shortcuts
12609 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12611         PR target/51534
12612         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
12613         and vcgtu.
12614         * config/arm/arm_neon.h: Regenerate.
12615         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
12616         (neon_vcgeu): New insn.
12617         (neon_vcgtu): Likewise.
12618         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
12619         (ops): Unsigned comparison intrinsics call a different builtin.
12621 2012-02-28  Richard Guenther  <rguenther@suse.de>
12623         PR target/52407
12624         * config/i386/i386.c (ix86_expand_vector_set): Fix element
12625         ordering for the VEC_CONCAT for two element vectors for
12626         V2SFmode, V2SImode and V2DImode.
12628 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
12630         PR target/49448
12631         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
12632         detecting big-endian triplets.
12634 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
12636         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
12637         mode if there is no type information available.
12639 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
12641         PR tree-optimization/53207
12642         * doc/invoke.texi: Document as experimental and relying on graphite.
12644 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12646         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
12647         of initializer to changes from r184614.
12649 2012-02-28  Richard Guenther  <rguenther@suse.de>
12651         PR tree-optimization/52395
12652         * tree-sra.c (build_ref_for_offset): Also look at the base
12653         TYPE_ALIGN when figuring out the alignment of the replacement.
12655 2012-02-28  Richard Guenther  <rguenther@suse.de>
12657         PR tree-optimization/52402
12658         * ipa-prop.c (ipa_modify_call_arguments): Properly use
12659         mis-aligned types when creating the accesses at the call site.
12661 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12663         * config/avr/builtins.def: New file.
12664         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
12665         * config/avr/avr.c (enum avr_builtin_id): Use it.
12666         (avr_init_builtins): Use it. And use avr_bdesc.
12667         (bdesc_1arg): Remove.
12668         (bdesc_2arg): Remove.
12669         (bdesc_3arg): Remove.
12670         (struct avr_builtin_description): Add field n_args.
12671         (avr_bdesc): New static variable using builtins.def.
12672         (avr_expand_builtin): Use it.
12673         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
12674         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
12675         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
12677 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12679         PR target/52148
12680         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
12681         match only one single hard register with respective hard reg rtx.
12682         (movmemx_<mode>): Ditto.
12683         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
12684         insn anatomy of movmem[x]_<mode>.
12685         (avr_out_movmem): Same for printing assembler and operand usage.
12687 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12689         PR target/49868
12690         PR target/52261
12691         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
12692         address spaces located outside of device flash.
12694         * config/avr/avr.h (base_arch_s): Remove field n_segments.
12695         (mcu_type_s): Add field n_flash.
12696         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
12697         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
12698         (AVR_MCU): Add N_FLASH argument.
12699         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
12700         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
12701         macro __FLASH<n> if that address space makes sense for the device.
12702         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
12703         outside of target flash.
12704         (avr_asm_named_section): Ditto.
12705         (avr_asm_select_section): Ditto.
12706         (avr_addr_space_convert): Ditto.
12707         (avr_emit_movmemhi): Ditto.
12708         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
12709         address space is outside of device flash.
12710         (avr_insert_attributes): Ditto.
12711         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
12712         avr_current_arch->n_segments.
12714 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
12716         PR target/52352
12717         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
12718         (*movabs<mode>_2): Likewise.
12720 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
12722         PR target/52375
12723         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
12724         s_register_operand in the test instead of REG_P.  Don't call
12725         gen_reg_rtx if it won't be used.
12727         PR tree-optimization/52376
12728         * ipa-split.c (split_function): Ignore CLOBBER stmts.
12730 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
12732         * ifcvt.c (noce_get_condition): Check condition variable is not
12733         small_register_classes_for_mode_p before accepting.
12735 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
12737         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
12739 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12741         Revert:
12742         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12743         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
12744         tuning parameters.
12745         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
12747 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
12749         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
12751 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
12753         * config/sh/predicates.md: Remove blank lines.
12754         * config/sh/sh.c: Fix typos in comments.
12755         * config/sh/constraints.md: Likewise.
12756         * config/sh/sh.md: Remove blank lines.
12757         Fix typos in comments.  Use ;; as comment characters.
12759 2012-02-26  Walter Lee  <walt@tilera.com>
12761         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
12762         (replace_mov_pcrel_step2): Ditto.
12764 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
12766         PR debug/52001
12767         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
12768         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
12769         and locs that reference values newer than the non-canonical value
12770         at hand.  Return the canonical value as a worst case.
12771         (memrefs_conflict_p): Walk canonical value's locs.
12773         PR debug/52001
12774         * cselib.c (preserve_only_constants): Rename to...
12775         (preserve_constants_and_equivs): ... this.  Split out...
12776         (invariant_or_equiv_p): ... this.  Preserve plus expressions
12777         of other preserved expressions too.
12778         (cselib_reset_table): Adjust.
12779         * var-tracking.c (reverse_op): Use canonical value to build
12780         reverse operation.
12782 2012-02-23  Kai Tietz  <ktietz@redhat.com>
12784         * config/i386/i386.c (ix86_delegitimize_address): Handle
12785         UNSPEC_PCREL plus displacement.
12787 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
12789         PR target/52261
12790         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
12791         to test for unusedness in st X addressing.
12793 2012-02-24  Richard Guenther  <rguenther@suse.de>
12795         PR middle-end/52361
12796         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
12797         (is_gimple_reg_type): Move inline ...
12798         * gimple.h (is_gimple_reg_type): ... here.
12800 2012-02-24  Richard Guenther  <rguenther@suse.de>
12802         PR middle-end/52361
12803         * passes.c (execute_function_todo): When verifying SSA form
12804         verify gimple form first.
12805         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
12807 2012-02-24  Richard Guenther  <rguenther@suse.de>
12809         PR middle-end/52355
12810         * fold-const.c (fold_addr_of_array_ref_difference): New function.
12811         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
12813 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12815         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
12817 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12819         * tree-phinodes.c (make_phi_node): Mark static.
12820         * tree-flow.h (make_phi_node): Remove extern decl.
12821         * doc/gimple.texi (make_phi_node): Remove documentation.
12823 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12825         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
12826         * tree-ssa-sccvn.c (print_scc): Ditto.
12828 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12830         * doc/passes.texi (Full redundancy elimination): Fix typo.
12832 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12834         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
12836 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
12838         PR bootstrap/52287
12839         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
12841 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
12843         PR c/52290
12844         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
12846 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
12848         * config/avr/avr.md (code_stdname): Add ior, xor.
12849         (xior): New code iterator.
12850         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
12851         (*<code_stdname><mode>qi.byte1-3): Ditto.
12853 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
12855         PR tree-optimization/52019
12856         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
12857         CLOBBER stmts.
12859 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12861         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
12862         HAVE_INITFINI_ARRAY to work around namespace pollution in
12863         certain versions of newlib system headers.
12864         * config.in: Regenerate.
12865         * configure: Regenerate.
12866         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
12867         instead of HAVE_INITFINI_ARRAY.
12869 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
12871         PR target/52330
12872         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
12873         is not offsettable memory reference.
12875 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
12877         PR target/18145
12878         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
12879         setting avr_need_clear_bss_p for __gnu_lto* symbols.
12881 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
12883         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
12884         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
12886 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12888         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
12889         library on Solaris 8 even without TLS support.
12890         * configure: Regenerate.
12892 2012-02-22  Richard Guenther  <rguenther@suse.de>
12894         PR middle-end/52329
12895         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
12896         for GIMPLE_DEBUG stmts.
12898 2012-02-22  Martin Jambor  <mjambor@suse.cz>
12900         PR middle-end/51782
12901         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
12902         according to the base object.
12904 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
12906         PR rtl-optimization/50063
12907         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
12908         and 2 (8-bit SP) in operand 2.
12909         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
12910         setup to use movhi_sp_r instead of vanilla move to write SP.
12911         Adjust REG_CFA notes to superseed unspec.
12912         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
12913         of vanilla move.
12914         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
12915         known to be off) only with TARGET_NO_INTERRUPTS. Never use
12916         irq_state 1 (IRQ known to be on) here.
12918 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
12920         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
12921         WORDS_BIG_ENDIAN.
12922         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
12923         assign_hard_reg): Likewise.
12925 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
12927         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
12929 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
12931         * config/avr/avr.md
12932         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
12933         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
12935 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
12937         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
12938         prototype from here to...
12939         * config/avr/avr.h: ...here.
12941 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
12943         PR target/52294
12944         * thumb2.md (thumb2_shiftsi3_short): Split register and
12945         immediate shifts.  For register shifts tie operands 0 and 1.
12946         (peephole2 for above): Check that register-controlled shifts
12947         have suitably tied operands.
12949 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
12951         PR target/52137
12952         * config/i386/bdver1.md (bdver1_call, bdver1_push,
12953         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
12954         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
12955         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
12956         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
12957         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
12958         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
12959         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
12960         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
12961         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
12962         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
12963         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
12964         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
12965         bdver1_ssevector_avx256_unaligned_load,
12966         bdver1_ssevector_sse128_unaligned_load,
12967         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
12968         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
12969         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
12970         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
12971         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
12972         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
12973         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
12974         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
12975         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
12976         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
12977         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
12978         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
12979         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
12980         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
12981         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
12982         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
12983         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
12984         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
12985         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
12986         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
12987         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
12988         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
12989         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
12990         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
12991         bdver1_ssediv_double_load, bdver1_ssediv_double,
12992         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
12993         Add "bdver2" attribute.
12995 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12997         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
12998         default if possible and not specified otherwise.
13000 2012-02-21  Richard Guenther  <rguenther@suse.de>
13002         PR middle-end/52314
13003         * gimplify.c (create_tmp_from_val): Use the main variant type
13004         for the type of the temporary we create.
13006 2012-02-21  Richard Guenther  <rguenther@suse.de>
13008         PR tree-optimization/52324
13009         * gimplify.c (gimplify_expr): When re-gimplifying expressions
13010         do not gimplify a MEM_REF address operand if it is already
13011         in suitable form.
13013 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
13015         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
13016         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
13018 2012-02-21  Richard Guenther  <rguenther@suse.de>
13020         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
13021         nested_in_vect_loop.
13023 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
13025         PR tree-optimization/52318
13026         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
13027         vdef also to non-pure/const call stmts in the sequence.
13029 2012-02-21  Tristan Gingold  <gingold@adacore.com>
13031         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
13033 2012-02-20  David S. Miller  <davem@davemloft.net>
13035         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
13036         don't use the "rd %pc" instruction on v9 for PIC register loads.
13038 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
13040         PR middle-end/52141
13041         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
13042         in a transaction safe function.
13044 2012-02-20  Kai Tietz  <ktietz@redhat.com>
13046         PR target/52238
13047         * stor-layout.c (place_field): Handle desired_align for
13048         ms-bitfields, too.
13050 2012-02-20  Richard Guenther  <rguenther@suse.de>
13052         PR tree-optimization/52298
13053         * tree-vect-stmts.c (vectorizable_store): Properly use
13054         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
13055         outer loops.
13056         (vectorizable_load): Likewise.
13057         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
13058         Access DR_STEP after ensuring it is not NULL.
13060 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
13062         PR tree-optimization/52286
13063         * fold-const.c (fold_binary_loc): For (X & C1) | C2
13064         optimization use double_int_to_tree instead of build_int_cst_wide,
13065         rewrite to use double_int vars.
13067 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13069         PR target/50166
13070         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
13071         Define _start.
13072         Remove -e 0 from $gcc_cv_ld invocation.
13073         Only use __GLIBC_PREREQ if defined.
13074         Enable on Solaris since Solaris 8 patch.
13075         (gcc_SUN_LD_VERSION): New macro.
13076         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
13077         gcc_SUN_LD_VERSION for version number format.
13078         * configure: Regenerate.
13079         * varasm.c (get_elf_initfini_array_priority_section): Set
13080         SECTION_NOTYPE for non-default priority.
13081         Use get_section instead of get_unnamed_section to emit
13082         .init_array/.fini_array with default priority.
13084 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
13086         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
13087         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
13088         (mips_start_unique_function, mips_output_mips16_rdhwr)
13089         (mips_code_end): New functions.
13090         (TARGET_ASM_CODE_END): Define.
13092 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
13094         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
13095         to stubs with non-sibling calls.
13097 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
13099         * doc/invoke.texi (-fira-* options): Copy-edit.
13100         (ira-* parameters): Copy-edit.
13102 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
13104         * doc/invoke.texi: Minor copy-edits to bring into conformance with
13105         GCC coding conventions.
13107 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
13109         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
13110         when used as adjectives.
13112 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
13114         * doc/invoke.texi: Clean up "that"/"which" confusion.
13116 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
13118         * system.h: Poison SMALL_REGISTER_CLASSES
13119         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
13120         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
13122 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
13124         PR tree-optimization/52285
13125         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
13126         when deciding if a call is a tail call or tail recursion.
13128 2012-02-16  Kai Tietz  <ktietz@redhat.com>
13130         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
13131         interger-constant displacement for UNSPEC_PCREL.
13133 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
13135         PR rtl-optimization/52208
13136         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
13137         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
13139         PR tree-optimization/52255
13140         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
13141         loop->header has virtual PHI, but exit_e->dest doesn't, add
13142         virtual PHI to exit_e->dest and adjust all uses after the loop.
13144         PR debug/52260
13145         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
13146         children with clone_tree_hash, not after it.
13148 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
13150         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
13151         extended identifiers.
13153 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
13155         PR middle-end/51929
13156         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
13157         a same_body_alias, also test whether e->callee isn't a former
13158         or current clone of the decl this is a same body alias of.
13160         PR translation/52264
13161         * cgraphunit.c (verify_cgraph_node): Fix a typo.
13163 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
13165         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
13167 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
13169         PR target/52199
13170         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
13171         force_reg instead of copy_to_reg for better optimization.  Force
13172         non-register or memory operands into a register.
13174 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
13176         * extend.texi: Reserve upper bits of memory model for future use.
13178 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
13179             Anatoly Sokolov <aesok@post.ru>
13180             Eric Weddington <eric.weddington@atmel.com>
13182         PR target/52261
13183         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
13184         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
13185         Rewrite initializers for .macro.
13186         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
13187         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
13188         atxmega32d4, atxmega32x1.
13189         avrxmega4: atxmega64a3, atxmega64d3.
13190         avrxmega5: atxmega64a1, atxmega64a1u.
13191         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
13192         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
13193         avrxmega7: atxmega128a1, atxmega128a1u.
13194         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
13195         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
13196         (struct base_arch_s): Rename reserved to xmega_p.
13197         Rename reserved2 to have_rampd.
13198         (AVR_XMEGA): New define.
13199         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
13200         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
13201         * config/avr/predicates.md (io_address_operand): Take into
13202         account SFR offset.
13203         (low_io_address_operand): Ditto.
13204         (high_io_address_operand): Ditto.
13205         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
13206         (enabled, movhi_sp_r): Use them.
13207         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
13208         cpp_define_formatted to built-in define __AVR_ARCH__.
13209         (__AVR_XMEGA__): New built-in define.
13210         (__AVR_HAVE_RAMPD__): New built-in define.
13211         (__AVR_HAVE_RAMPX__): New built-in define.
13212         (__AVR_HAVE_RAMPY__): New built-in define.
13213         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
13215         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
13216         (avr_option_override): Initialize them.
13217         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
13218         (avr_init_expanders): Initialize them. No more block several calls.
13219         (emit_push_sfr): New static function.
13220         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
13221         Handle AVR_XMEGA.
13222         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
13223         (avr_print_operand): Print addreeses as symbols for
13224         RAMPX, RAMPY, RAMPD, CCP.
13225         (output_movhi): Handle AVR_XMEGA when writing to SP.
13226         (avr_out_movhi_mr_r_xmega): New static function.
13227         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
13228         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
13229         __RAMPD__,  __CCP__ as needed.
13231         * config/avr/multilib.h: Regenerate.
13232         * config/avr/t-multilib: Regenerate.
13233         * config/avr/avr-tables.opt: Regenerate.
13235 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
13237         PR tree-optimization/50561
13238         * graphite-flattening.c (lst_project_loop): Do not
13239         remove old scattering dimensions after flattening.
13240         (lst_do_flatten): Likewise.
13242 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
13244         * doc/extend.texi (AVR Built-in Functions): Remove doc for
13245         __builtin_avr_map8, __builtin_avr_map16.
13246         Document __builtin_avr_insert_bits.
13248         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
13249         (insert_bits): New insn.
13250         (adjust_len.map_bits): Rename to insert_bits.
13251         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
13252         * avr-protos.h (avr_out_map_bits): Remove.
13253         (avr_out_insert_bits, avr_has_nibble_0xf): New.
13254         * config/avr/constraints.md (Cxf,C0f): New.
13255         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
13256         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
13257         New built-in define __BUILTIN_AVR_INSERT_BITS.
13258         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
13259         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
13260         (avr_move_bits): Rewrite.
13261         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
13262         functions.
13263         (avr_map_op_t): New typedef.
13264         (avr_map_op): New static variable.
13265         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
13266         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
13267         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
13268         (bdesc_3arg, avr_expand_triop_builtin): New.
13269         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
13270         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
13271         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
13272         (avr_map_equal_p, avr_map_sig_p): Remove.
13273         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
13274         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
13275         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
13276         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
13277         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
13278         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
13280 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
13282         * config/c6x/c6x.md (reserve_cycles): New attribute.
13283         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
13284         don't reserve functional units after the branch occurs.
13286 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
13288         PR middle-end/52142
13289         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
13290         functions into non-tm_pure functions.
13292 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
13294         PR lto/52178
13295         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
13296         (iterative_hash_canonical_type): Likewise.
13297         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
13298         the dead edges.
13300 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
13302         * haifa-sched.c (prune_ready_list): Ensure that if there is a
13303         sched-group insn, it either remains alone or the entire list is pruned.
13305 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
13307         * doc/install.texi (Prerequisites): Fix grammar.
13308         (Configuration): Likewise.
13310 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
13312         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
13313         MPC as part of GCC before describing configuring with --with-gmp etc.
13314         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
13315         sources are present.
13317 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
13319         PR debug/51950
13320         * dwarf2out.c (clone_tree_hash): New function.
13321         (copy_decls_walk): Use it instead of clone_tree.
13323 2012-02-14  Richard Guenther  <rguenther@suse.de>
13325         PR tree-optimization/52244
13326         PR tree-optimization/51528
13327         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
13328         replacements for integral types.
13330 2012-02-14  Walter Lee  <walt@tilera.com>
13332         * config.gcc: Handle tilegx and tilepro.
13333         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
13334         tilegx and tilepro.
13335         Add HAVE_AS_TLS check for tilegx and tilepro.
13336         * configure: Regenerate.
13337         * doc/contrib.texi: Add Mat Hostetter and self.
13338         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
13339         Document instruction intrinsics and network accessing intrinsics.
13340         (TILEPro Built-in Functions): New node.  Document instruction
13341         intrinsics and network accessing intrinsics.
13342         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
13343         (Specific, tilepro-*-linux*): Likewise.
13344         * doc/invoke.texi (TILE-Gx Options): New section.
13345         (TILEPro Options): New section.
13346         * doc/md.texi (TILE-Gx): New section.
13347         (TILEPro): New section.
13348         * common/config/tilegx/tilegx-common.c: New file.
13349         * common/config/tilepro/tilepro-common.c: New file.
13350         * config/tilegx/constraints.md: New file.
13351         * config/tilegx/linux.h: New file.
13352         * config/tilegx/mul-tables.c: New file.
13353         * config/tilegx/predicates.md: New file.
13354         * config/tilegx/sync.md: New file.
13355         * config/tilegx/t-tilegx: New file.
13356         * config/tilegx/tilegx-builtins.h: New file.
13357         * config/tilegx/tilegx-c.c: New file.
13358         * config/tilegx/tilegx-generic.md: New file.
13359         * config/tilegx/tilegx-modes.def: New file.
13360         * config/tilegx/tilegx-multiply.h: New file.
13361         * config/tilegx/tilegx-protos.h: New file.
13362         * config/tilegx/tilegx.c: New file.
13363         * config/tilegx/tilegx.h: New file.
13364         * config/tilegx/tilegx.md: New file.
13365         * config/tilegx/tilegx.opt: New file.
13366         * config/tilepro/constraints.md: New file.
13367         * config/tilepro/gen-mul-tables.cc: New file.
13368         * config/tilepro/linux.h: New file.
13369         * config/tilepro/mul-tables.c: New file.
13370         * config/tilepro/predicates.md: New file.
13371         * config/tilepro/t-tilepro: New file.
13372         * config/tilepro/tilepro-builtins.h: New file.
13373         * config/tilepro/tilepro-c.c: New file.
13374         * config/tilepro/tilepro-generic.md: New file.
13375         * config/tilepro/tilepro-modes.def: New file.
13376         * config/tilepro/tilepro-multiply.h: New file.
13377         * config/tilepro/tilepro-protos.h: New file.
13378         * config/tilepro/tilepro.c: New file.
13379         * config/tilepro/tilepro.h: New file.
13380         * config/tilepro/tilepro.md: New file.
13381         * config/tilepro/tilepro.opt: New file.
13383 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
13385         PR tree-optimization/52210
13386         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
13387         vect_model_simple_cost with two entry vect_def_type array instead
13388         of an address of dt.
13390 2012-02-14  Richard Guenther  <rguenther@suse.de>
13392         PR lto/52178
13393         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
13394         Do not stream DECL_QUALIFIER.
13395         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
13396         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
13397         (find_decls_types_r): Do not walk DECL_QUALIFIER.
13399 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
13401         PR c/52181
13402         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
13403         newdecl.
13405 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
13407         PR bootstrap/52172
13408         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
13409         * cselib.c (cselib_subst_to_values_from_insn): New function.
13410         * sched-deps.c (add_insn_mem_dependence,
13411         sched_analyze_1, sched_analyze_2): Use it.
13413 2012-02-13  Jan Hubicka  <jh@suse.cz>
13415         PR middle-end/52214
13416         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
13418 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
13420         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
13421         (GTM_SELF_SPECS): Define if not already defined.
13422         (driver_self_specs): Add GTM_SELF_SPECS.
13423         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
13424         (GTM_SELF_SPECS): Define.
13425         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
13426         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
13428 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
13430         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
13431         away if seen.
13433         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
13435         PR middle-end/52230
13436         * omp-low.c (expand_omp_for): If a static schedule without chunk size
13437         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
13439 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
13441         PR c/52190
13442         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
13444 2012-02-13  Richard Guenther  <rguenther@suse.de>
13446         PR translation/52211
13447         * passes.c (enable_disable_pass): Fix typo.
13449 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
13451         PR middle-end/52209
13452         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
13453         XOR for reduce_bit_field if type is unsigned.
13455 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
13457         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
13458         disallow changes from SFmode to mode with different size in FP regs.
13460 2012-02-12  Robert Millan  <rmh@gnu.org>
13461             Gerald Pfeifer <gerald@pfeifer.com>
13463         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
13464         Tweak comment.
13466 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
13468         PR rtl-optimization/52175
13469         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
13470         to frame-related instructions.
13472 2012-02-10  Jason Merrill  <jason@redhat.com>
13474         PR c++/51910
13475         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
13476         (demangle_new_symbols): Fill it.
13477         (scan_linker_output): Walk it.
13478         (start_tweaking): Split out from scan_linker_output.
13479         (maybe_tweak): Update sym->chosen.
13480         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
13482 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
13484         PR debug/52132
13485         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
13487 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
13489         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
13490         having the same mode as previous compare.
13492 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
13494         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
13495         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
13496         (nonlocal_goto_internal): Likewise.
13497         (nonlocal_goto): Emit a use and an indirect jump directly.
13499 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
13501         PR c/52190
13502         * doc/extend.texi : Update comments for __atomic_compare_exchange and
13503         __atomic_{is,always}_lock_free.
13505 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
13507         PR target/52146
13508         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
13509         negative constant address for TARGET_X32.
13511 2012-02-10  Richard Henderson  <rth@redhat.com>
13513         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
13514         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
13515         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
13517 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13518             Ira Rosen  <irar@il.ibm.com>
13520         PR tree-optimization/50031
13521         * targhooks.c (default_builtin_vectorization_cost): Handle
13522         vec_promote_demote.
13523         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
13524         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
13525         all types of reduction and pattern statements.
13526         (vect_estimate_min_profitable_iters): Likewise.
13527         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
13528         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
13529         for explicit realigns.
13530         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
13531         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
13532         vec_promote_demote.
13533         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
13534         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
13535         vec_perm for VSX and handle vec_promote_demote.
13537 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
13539         PR middle-end/52177
13540         * builtins.c (fold_builtin_atomic_always_lock_free,
13541         expand_builtin_atomic_always_lock_free,
13542         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
13543         Return and/or test boolean_true_node/boolean_false_node instead of
13544         integer_one_node/integer_zero_node.
13546 2012-02-10  Jan Hubicka  <jh@suse.cz>
13548         PR middle-end/48600
13549         * predict.c (predict_paths_for_bb): Prevent looping.
13550         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
13552 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
13554         * config/arm/arm.c (output_move_double): In one case properly
13555         count number of instructions that will be emitted.
13557 2012-02-10  Richard Guenther  <rguenther@suse.de>
13559         PR translation/52193
13560         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
13562 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
13564         PR middle-end/52140
13565         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
13567 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
13569         PR debug/52165
13570         * var-tracking.c (emit_note_insn_var_location): If
13571         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
13572         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
13573         non-NOTE_DURING_CALL_P insn.
13575 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
13577         PR middle-end/51867
13578         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
13580 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
13582         PR driver/48524
13583         * gcc.c (switch_matches) Support switches with separated form,
13584         -D and -U.
13586 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
13588         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
13589         (SP_ADDR): Ditto.
13590         (RAMPZ_ADDR): Ditto.
13591         * config/avr/avr.c (avr_addr_t): New typedef.
13592         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
13593         (avr_init_expanders): Initialize it.
13594         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
13595         SREG_ADDR.
13596         (expand_epilogue): Ditto.
13597         (avr_print_operand): Ditto.
13598         (avr_file_start): Ditto.
13599         (avr_emit_movmemhi): Ditto.
13601 2012-02-08  Richard Guenther  <rguenther@suse.de>
13603         PR tree-optimization/46886
13604         * tree-flow.h (do_while_loop_p): Declare.
13605         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
13606         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
13608 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
13610         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
13611         always succeed for integers larger than a native word.
13613 2012-02-08  Richard Guenther  <rguenther@suse.de>
13615         PR rtl-optimization/52170
13616         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
13617         properly handle integer vector modes.
13619 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
13621         PR gcov-profile/52150
13622         * coverage.c: Include target.h.
13623         (build_var): Call targetm.strip_name_encoding on the assembler name.
13624         Change one _ into . or $ if the target allows it.
13625         * Makefile.in (coverage.o): Depend on $(TARGET_H).
13627         PR rtl-optimization/52139
13628         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
13629         is a BARRIER after emit_insn_after_noloc, move BB_END
13630         to the last non-BARRIER insn before it.
13632 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
13634         PR middle-end/24306
13635         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
13636         (mips_gimplify_va_arg_expr): Call it instead of
13637         std_gimplify_va_arg_expr.
13639 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
13641         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
13642         message for -mno-pointers-to-nested-function.
13644 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
13646         PR middle-end/51994
13647         * expr.c (get_inner_reference): If there is an offset, add a negative
13648         bit position to it (if any).
13650 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
13652         PR rtl-optimization/52060
13653         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
13654         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
13655         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
13656         and/or i0src_copy2 when needed.
13658 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
13660         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
13661         or LTOPLUGINSONAME if have_c.
13663         * config/freebsd-spec.h: Add comment about what macros can be defined
13664         in this header.
13665         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
13666         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
13667         here instead.
13669 2012-02-07  Richard Guenther  <rguenther@suse.de>
13671         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
13672         newline in -alias dumps.
13674 2012-02-07  Kai Tietz  <ktietz@redhat.com>
13675             Dave Korn  <dave.korn.cygwin@gmail.com>
13677         PR target/40068
13678         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
13679         Take care that typinfo gets dllexport-attribute.
13681 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
13683         PR middle-end/52074
13684         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
13685         if modifier < EXPAND_SUM call force_operand on the result.
13687 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
13689         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
13690         adding __forwarder_dst__ prefix if a forwarder_section attribute is
13691         present.
13692         (epiphany_function_type): Replace types for specific interrupts with
13693         EPIPHANY_FUNCTION_INTERRUPT.
13694         (EPIPHANY_INTERRUPT_P): Update.
13695         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
13696         New static function.
13697         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
13698         <disinterrupt>: Affects type identity.
13699         (epiphany_handle_interrupt_attribute): Handle variable number of
13700         arguments.
13701         (epiphany_compute_function_type): Update for new
13702         epiphany_function_type definition.
13703         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
13704         handlers with a longcall forwarder.
13705         (epiphany_start_function): Handle multiple interrupt arguments and/or
13706         forwarder_section attribute.
13708         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
13709         libgloss.
13711 2012-02-07  Alan Modra  <amodra@gmail.com>
13713         PR target/52107
13714         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
13715         subregs of TFmode.
13717 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13719         PR tree-optimization/50969
13720         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
13721         use vec_perm rather than vector_stmt.
13722         (vect_model_load_cost): Likewise.
13723         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
13724         vec_perm to be the same as other vector statements.
13725         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
13726         cost of vec_perm for TARGET_VSX.
13728 2012-02-06  Richard Guenther  <rguenther@suse.de>
13730         PR tree-optimization/52115
13731         * tree-sra.c (access_has_replacements_p): New function.
13732         (sra_modify_assign): Use it to decide whether a use is uninitialized.
13734 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
13736         PR middle-end/52047
13737         * trans-mem.c (expand_call_tm): Add an assertion.
13738         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
13739         functions.
13741 2012-02-06  Richard Guenther  <rguenther@suse.de>
13743         PR tree-optimization/50955
13744         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
13745         raise cost of expressions that replace an address with an
13746         expression based on a different pointer.
13748 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
13750         PR target/52129
13751         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
13752         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
13754 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
13756         PR c++/48680
13757         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
13758         -Weffc++ and specify guidelines come from second edition.
13760 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
13762         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
13763         (sibcall_value_multiple_internal, call_split, call_internal_direct)
13764         (call_direct_split, call_value_split, call_value_internal_direct)
13765         (call_value_direct_split, call_value_multiple_split): Use jal and
13766         jal_macro attributes.
13768 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
13770         * reload1.c (reload_regs_reach_end_p): Replace with...
13771         (reload_reg_rtx_reaches_end_p): ...this function.
13772         (new_spill_reg_store): Update commentary.
13773         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
13774         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
13775         before setting new_spill_reg_store.
13776         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
13777         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
13778         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
13779         for non-spill reload registers.
13781 2012-02-05  Ira Rosen  <irar@il.ibm.com>
13783         PR tree-optimization/52091
13784         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
13785         (vect_is_simple_use_1): Likewise.
13786         * tree-vect-loop.c (vectorizable_reduction): Update calls
13787         to vect_is_simple_use_1 and vect_is_simple_use.
13788         (vectorizable_live_operation): Likewise.
13789         * tree-vect-patterns.c (widened_name_p,
13790         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
13791         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
13792         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
13793         vectorizable_shift,vectorizable_operation, vectorizable_store,
13794         vectorizable_load): Likewise.
13795         (vect_is_simple_cond): Add an argument, pass it to
13796         vect_is_simple_use_1.
13797         (vectorizable_condition): Update calls to vect_is_simple_cond,
13798         vect_is_simple_use.
13799         (vect_is_simple_use): Add an argument, the statement in which
13800         OPERAND is used.  Check that if OPERAND's def stmt is a double
13801         reduction phi node, the use is a phi node too.
13802         (vect_is_simple_use_1): Add an argument, pass it to
13803         vect_is_simple_use.
13804         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
13805         to vect_is_simple_use.
13807 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
13809         PR rtl-optimization/52095
13810         * modulo-sched.c (dump_insn_locator): New function.
13811         (loop_canon_p, sms_schedule): Use it.
13813         PR rtl-optimization/52113
13814         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
13815         even for decomposable shift/zext insns.
13817 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
13818             Zdenek Dvorak  <ook@ucw.cz>
13820         PR rtl-optimization/52092
13821         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
13822         on get_iv_value result.
13824 2012-02-02  Andrew Pinski  <apinski@cavium.com>
13826         PR middle-end/47982
13827         PR middle-end/43967
13828         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
13830 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
13832         PR middle-end/48071
13833         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
13835 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
13837         PR rtl-optimization/49800
13838         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
13839         (sched_finish): Call regstat_free_n_sets_and_refs.
13841 2012-02-02  Jia Liu  <proljc@gmail.com>
13843         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
13844         than operand 2.
13846 2012-02-02  Jan Hubicka  <jh@suse.cz>
13847             Tom de Vries  <tom@codesourcery.com>
13849         PR middle-end/51998
13850         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
13851         * varpool.c (varpool_analyze_pending_decls): Likewise.
13853 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
13854             Jayant R Sonar <jayant.sonar@kpitcummins.com>
13856         * config.gcc: Add cr16-* support.
13858         * doc/extend.texi: Document cr16 extensions.
13859         * doc/install.texi: Document cr16 install.
13860         * doc/invoke.texi: Document cr16 options.
13861         * doc/md.texi: Document cr16 constraints.
13863         * common/config/cr16/cr16-common.c: New file.
13864         * config/cr16/cr16.c: New file.
13865         * config/cr16/cr16.h: New file.
13866         * config/cr16/cr16.md: New file.
13867         * config/cr16/cr16.opt: New file.
13868         * config/cr16/cr16-protos.h: New file.
13869         * config/cr16/predicates.md: New file.
13870         * config/cr16/constraints.md: New file.
13871         * config/cr16/t-cr16: New file.
13873 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
13875         PR target/52086
13876         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
13877         that operands[2] is either immediate, or q_regs_operand.
13879         PR tree-optimization/52073
13880         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
13881         a pattern stmt for pattern uses, ignore uses outside of the loop.
13883 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
13885         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
13886         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
13887         (OUT_AS1, OUT_AS2): Remove.
13889 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
13891         PR rtl-optimization/51374
13892         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
13893         to cross other volatile_refs_p insns.
13895 2012-02-01  Richard Guenther  <rguenther@suse.de>
13897         * doc/invoke.texi (fno-inline): Clarify documentation.
13898         (finline-small-functions): Likewise.
13899         (finline-functions): Likewise.
13900         * common.opt (finline): Adjust comment and documentation.
13901         (finline-small-functions): Clarify documentation.
13902         (finline-functions): Likewise.
13903         (finline-functions-called-once): Likewise.
13905 2012-02-01  Tristan Gingold  <gingold@adacore.com>
13907         * c-typeck.c (composite_type): Keep mode for pointers.
13909 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
13911         * function.h (regno_reg_rtx): Adjust comment.
13912         * reginfo.c (init_reg_modes_target): Only use the previous mode
13913         if it fits within one register.  Remove MIPS comment.
13915 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
13917         PR bootstrap/52058
13918         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
13920 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
13922         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
13923         to srak instruction.
13925 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
13927         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
13929 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
13931         PR bootstrap/52041
13932         PR bootstrap/52039
13933         PR target/51974
13934         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
13936 2012-01-31  Richard Guenther  <rguenther@suse.de>
13938         PR tree-optimization/51528
13939         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
13940         assigns.
13942 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
13944         PR bootstrap/52041
13945         PR bootstrap/52039
13946         PR target/51974
13947         * ree.c (add_removable_extension): Change def_map argument
13948         to unsigned *, store in def_map 1 + offset into *insn_list vector
13949         instead of pointers into the vector.
13950         (find_removable_extensions): Adjust caller.
13952 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
13954         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
13955         Transform all "* quoted-c-code" to { c-code }.
13956         Remove redundant test for "optimize" in combine patterns.
13957         Move (include "avr-dimode.md") to end of file.
13959 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
13961         PR target/51835
13962         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
13963         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
13965 2012-01-30  Richard Guenther  <rguenther@suse.de>
13967         PR tree-optimization/52028
13968         * tree-loop-distribution.c (ldist_gen): Properly update
13969         virtual SSA form.
13971 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
13973         PR debug/52027
13974         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
13975         set_cur_line_info_table if not emitting debug info.
13977         PR tree-optimization/52046
13978         * tree-vect-patterns.c (check_bool_pattern): Give up if
13979         a comparison could throw.
13981         PR debug/52048
13982         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
13984 2012-01-30  Richard Guenther  <rguenther@suse.de>
13986         PR tree-optimization/52045
13987         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
13988         SSA form if cfgcleanup did anything.
13990 2012-01-30  Richard Guenther  <rguenther@suse.de>
13992         PR tree-optimization/52045
13993         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
13994         before computing final todo.
13996 2012-01-30  Richard Guenther  <rguenther@suse.de>
13998         PR tree-optimization/51528
13999         * tree-sra.c (sra_modify_assign): Re-factor in preparation
14000         for PR51528 fix.
14002 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
14004         * df-problems.c (df_kill_notes): Check that the use refers
14005         to the note under examination.
14007 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
14009         PR target/51920
14010         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
14011         parameter and use short-lived pseudos.
14012         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
14013         (sparc_expand_vector_init): Const-ify local variables and adjust
14014         calls to above functions.
14016 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
14018         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
14020 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
14022         * doc/invoke.texi: Make usage of "compile time" and
14023         "run time"/"runtime" consistent throughout the file.
14025 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
14027         * config/alpha/alpha.c (alpha_option_override): Default to
14028         full IEEE compliance mode for Go language.
14030 2012-01-29  Tijl Coosemans  <tijl@coosemans.org>
14032         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
14033         (LINK_SSP_SPEC): Define.
14035 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14037         PR target/51871
14038         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
14039         stubs.
14041 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
14043         * doc/invoke.texi: Correct hyphenation of "floating point",
14044         "double precision", and related terminology throughout the file.
14046 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
14048         PR target/52006
14049         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
14050         arm_general_register_operand predicate for operand 2 instead of
14051         register_operand.
14053 2012-01-27  Ian Lance Taylor  <iant@google.com>
14055         PR go/47656
14056         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
14057         * builtins.c (expand_builtin_init_trampoline): Add onstack
14058         parameter.  Change caller.
14059         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
14060         * tree.c (build_common_builtin_nodes): Declare
14061         __builtin_init_heap_trampoline.
14063 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
14065         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
14066         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
14067         * config/avr/avr.c: Ditto.
14068         (avr_regnames): Remove because unused.
14069         * config/avr/avr.md (*cpse.ne): New peephole.
14070         (*cpse.eq): New peephole from former cpse peepholes.
14072 2012-01-27  Michael Eager  <eager@eagercon.com>
14074         * config/microblaze.c (microblaze_emit_compare): Correct
14075         test after pcmp instruction.
14077 2012-01-27  Richard Guenther  <rguenther@suse.de>
14079         PR tree-optimization/52020
14080         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
14082 2012-01-27  Richard Guenther  <rguenther@suse.de>
14084         * ipa-pure-const.c (check_stmt): Clobbers do not make a
14085         function non-const/pure.
14087 2012-01-27  Richard Guenther  <rguenther@suse.de>
14089         PR tree-optimization/50444
14090         * tree-sra.c (build_ref_for_offset): Properly adjust the
14091         MEM_REF type for unaligned accesses.
14093 2012-01-27  Richard Guenther  <rguenther@suse.de>
14095         PR tree-optimization/50444
14096         * expr.c (mem_ref_refers_to_non_mem_p): New function.
14097         (expand_assignment): Use it.  Properly handle misaligned
14098         bases when expanding stores to component references.
14099         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
14100         refactor that case.
14102 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
14104         PR middle-end/51389
14105         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
14106         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
14107         * tree-data-ref.c (find_data_references_in_loop): Make static.
14108         (compute_all_dependences): Change return type to bool.  Bail out
14109         for too many datarefs in a loop.  Move the hunk resetting the data
14110         dependences vector from ...
14111         (compute_data_dependences_for_loop): ... here.  Account for
14112         compute_all_dependences returning false.
14113         (compute_data_dependences_for_bb): Likewise.
14114         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
14115         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
14117 2012-01-27  Richard Guenther  <rguenther@suse.de>
14119         PR middle-end/51959
14120         * expr.c (store_field): Use the alias-set of the scratch memory
14121         for storing to it.
14123 2012-01-27  Tom de Vries  <tom@codesourcery.com>
14125         PR tree-optimization/51990
14126         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
14127         WITH_SIZE_EXPR.
14128         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
14130 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
14132         PR debug/52001
14133         * var-tracking.c (reverse_op): Don't add any reverse operation
14134         if V already has any constant locations.
14136 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
14138         * doc/invoke.texi: Correct usage of "command line" (noun)
14139         vs "command-line" (adjective) throughout.
14141 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
14143         * doc/invoke.texi (Language Independent Options): Move
14144         -Wcoverage-mismatch blurb from here....
14145         (Warning Options): ...to here.
14147 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
14149         * config/rs6000/rs6000.c (rs6000_option_override_internal):
14150         Set rs6000_always_hint to false for 476.
14152 2012-01-27  Matthias Klose  <doko@ubuntu.com>
14154         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
14155           system root.
14156         * incpath.c (add_standard_paths): Likewise.
14158 2012-01-27  Richard Henderson  <rth@redhat.com>
14160         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
14161         * config/m68k/sync.md (atomic_test_and_set): Rename from
14162         sync_test_and_setqi and adjust the operands.
14163         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
14164         and unconditionally enable.
14166 2012-01-27  Richard Henderson  <rth@redhat.com>
14168         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
14169         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
14170         (ldstub): Rename from ldstubqi.
14171         (ldstub<I24MODE>): Remove.
14173 2012-01-27  Richard Henderson  <rth@redhat.com>
14175         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
14176         * c-cppbuiltin.c (cpp_atomic_builtins): Define
14177         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
14178         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
14179         * doc/tm.texi: Rebuild.
14181 2012-01-27  Richard Henderson  <rth@redhat.com>
14183         * optabs.c (gen_atomic_test_and_set): Remove default.
14184         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
14186 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
14188         PR rtl-optimization/51978
14189         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
14190         (combine_reaching_defs): Likewise.
14191         (struct re_info): Remove.
14192         (add_removable_extension): Remove x and data arguments,
14193         add insn, insn_list and def_map.  Use the arguments directly
14194         instead of using struct re_info.
14195         (find_removable_extensions): Don't call add_removable_extension
14196         through note_stores, instead just call it with single_set
14197         result if non-NULL.
14198         (find_and_remove_re): Pass curr_cand->expr instead of
14199         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
14201 2012-01-26  Michael Matz  <matz@suse.de>
14203         PR tree-optimization/46590
14204         * cfgexpand.c: Revert last change (r183305).
14205         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
14206         regs.
14207         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
14208         checking for emptiness.
14210 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
14212         PR middle-end/51895
14213         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
14214         non-addressable non-BLKmode base correctly.
14216 2012-01-26  Michael Matz  <matz@suse.de>
14218         PR tree-optimization/48794
14219         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
14220         regions referenced from RESX/EH_DISPATCH.
14222 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14224         * config/s390/s390.h: Make BRANCH_COST an option.
14225         * config/s390/s390.opt: New option -mbranch-cost.
14227 2012-01-26  Richard Henderson  <rth@redhat.com>
14229         Revert 2012-01-24 change:
14230         * trans-mem.c (requires_barrier): Do not instrument thread local
14231         variables and emit save/restore for them.
14233 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
14235         PR middle-end/51986
14236         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
14237         for pat == 0.
14239 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
14241         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
14242         ASM_OPERANDS.
14244 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
14246         PR target/49868
14247         Rename __pgm to __flash.
14248         Rename __pgm1 to __flash1.
14249         Rename __pgm2 to __flash2.
14250         Rename __pgm3 to __flash3.
14251         Rename __pgm4 to __flash4.
14252         Rename __pgm5 to __flash5.
14253         Rename __pgmx to __memx.
14254         * doc/extend.texi (AVR Named Address Spaces)
14255         Rename address space names as indicated above.
14256         * config/avr/avr.c (avr_addrspace): Ditto.
14258         * config/avr/avr-protos.h
14259         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
14260         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
14261         * config/avr/predicates.md: Ditto.
14262         * config/avr/avr.c Ditto, and
14263         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
14264         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
14266         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
14267         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
14268         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
14269         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
14270         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
14271         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
14272         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
14273         * config/avr/avr.c: Ditto.
14274         * config/avr/avr.md: Ditto.
14276 2012-01-25  Jason Merrill  <jason@redhat.com>
14278         PR c++/51992
14279         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
14281 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
14283         PR tree-optimization/51987
14284         * tree-data-ref.c (get_references_in_stmt): Handle references in
14285         non-volatile GIMPLE_ASM.
14287 2012-01-25  Richard Guenther  <rguenther@suse.de>
14289         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
14290         bases are dereferenced.
14292 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
14294         PR rtl-optimization/48374
14295         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
14297 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
14299         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
14300         compute_data_dependences_for_loop returns false.
14301         * tree-parloops.c (loop_parallel_p): Likewise.
14303 2012-01-25  Richard Guenther  <rguenther@suse.de>
14305         * tree.h (get_pointer_alignment_1): Declare.
14306         * builtins.c (get_pointer_alignment_1): New function.
14307         (get_pointer_alignment): Use it.
14309 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
14311         PR rtl-optimization/48308
14312         * combine.c (enum undo_kind): Add UNDO_LINKS.
14313         (struct undo): Add member l to other_contents and where.
14314         (do_SUBST_LINK): New.
14315         (SUBST_LINK): New.
14316         (try_combine): Handle LOG_LINKS for the dummy i1 case.
14317         (undo_all): Handle UNDO_LINKS.
14319 2012-01-25  Richard Henderson  <rth@redhat.com>
14321         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
14322         mem inputs.
14324 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14326         * optabs.c (gen_atomic_test_and_set): Use each argument.
14328 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14330         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
14331         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
14332         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
14333         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
14334         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
14335         TARGET_PAIRED_SINGLE_FLOAT.
14337 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14339         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
14340         (in_struct, return_val): Remove MEM documentation.
14341         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
14342         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
14343         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
14344         and MEM_SCALAR.
14345         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14346         * cfgexpand.c (add_alias_set_conflicts): Likewise.
14347         * expr.c (store_field): Likewise.
14348         * function.c (assign_stack_temp_for_type): Likewise.
14349         * ifcvt.c (noce_try_cmove_arith): Likewise.
14350         * reload1.c (reload): Likewise.
14351         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
14352         (alpha_set_memflags): Likewise.
14353         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
14355 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14357         * rtl.h (true_dependence, canon_true_dependence): Remove varies
14358         parameter.
14359         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
14360         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
14361         (true_dependence_1, true_dependence, canon_true_dependence): Remove
14362         varies parameter.
14363         * cselib.c (cselib_rtx_varies_p): Delete.
14364         (cselib_invalidate_mem): Update call to canon_true_dependence.
14365         * dse.c (record_store, check_mem_read_rtx): Likewise.
14366         (scan_reads_nospill): Likewise.
14367         * cse.c (check_dependence): Likewise.
14368         (cse_rtx_varies_p): Delete.
14369         * expr.c (safe_from_p): Update call to true_dependence.
14370         * ira.c (validate_equiv_mem_from_store): Likewise.
14371         (memref_referenced_p): Likewise.
14372         * postreload-gcse.c (find_mem_conflicts): Likewise.
14373         * sched-deps.c (sched_analyze_2): Likewise.
14374         * store-motion.c (load_kills_store): Likewise.
14375         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
14376         * gcse.c (mems_conflict_for_gcse_p): Likewise.
14377         (compute_transp): Update call to canon_true_dependence.
14379 2012-01-25  Richard Henderson  <rth@redhat.com>
14381         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
14382         (maybe_emit_atomic_test_and_set): New.
14383         (expand_sync_lock_test_and_set): Use it.
14384         (expand_atomic_test_and_set): Likewise.
14385         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
14386         the implementation; clarify implementation defined details.
14387         * doc/md.texi (atomic_test_and_set): Document.
14389 2012-01-25  Richard Henderson  <rth@redhat.com>
14391         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
14393 2012-01-25  Richard Henderson  <rth@redhat.com>
14395         PR target/51968
14396         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
14397         to effect no-op split.
14399 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
14401         PR lto/51698
14402         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
14403         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
14404         (BT_FN_VOID_PTR_INT_SIZE): New.
14405         (BT_FN_UINT_UINT_VAR): Remove.
14406         (BT_FN_UINT32_UINT32_VAR): New.
14407         (BT_FN_DOUBLE_VPTR): Remove.
14408         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
14410         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
14411         (_ITM_changeTransactionMode): Same.
14412         (_ITM_memmoveRtWt): Change return type to void.
14413         (_ITM_memcpyRtWt): Same.
14414         (_ITM_memsetW): Same.
14415         (_ITM_RaRD): Change types to double.
14416         (_ITM_RD): Same.
14417         (_ITM_RaWD): Same.
14418         (_ITM_RfWD): Same.
14420         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
14422 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
14423             Patrick Marlier  <patrick.marlier@gmail.com>
14425         * trans-mem.c (requires_barrier): Do not instrument thread local
14426         variables and emit save/restore for them.
14428 2012-01-24  Jason Merrill  <jason@redhat.com>
14430         PR c++/51812
14431         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
14432         output static aliases.
14434 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
14436         PR driver/47249
14437         * common.opt (-pie, -shared, pie, shared): Change from Common to
14438         Driver.
14439         * gcc.c (display_help): Display help for -pie and -shared.
14441 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
14443         PR target/49868
14444         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
14445         Remove note on size/offset limitation.
14446         (AVR Variable Attributes): Add example how to read data located
14447         with progmem.  Refer to named address spaces.
14448         * doc/invoke.texi (AVR Options): Fix typo.
14450 2012-01-24  Richard Guenther  <rguenther@suse.de>
14452         Forward-port to trunk
14453         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
14455         PR middle-end/45678
14456         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
14457         op0 isn't sufficiently aligned and there is movmisalignM
14458         insn for mode, use it to load op0 into a temporary register.
14460 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
14462         PR target/51957
14463         * target.def (const_not_ok_for_debug_p): New hook.
14464         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
14465         documentation.
14466         * doc/tm.texi: Regenerated.
14467         * dwarf2out.c (const_ok_for_output_1): If
14468         targetm.const_not_ok_for_debug_p returns true, fail.
14469         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
14470         function.
14471         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
14473 2012-01-23  Kai Tietz  <ktietz@redhat.com>
14475         PR target/51900
14476         * config/i386/predicates.md (symbolic_operand): Allow
14477         UNSPEC_PCREL as PIC expression for lea.
14478         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
14479         * config/i386/i386.c (ix86_delegitimize_address): Handle
14480         UNSPEC_PCREL for none-MEM, too.
14482 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
14484         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
14485         (ipa_tm_create_version_alias): Same.
14487 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
14489         PR libitm/51830
14490         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
14491         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
14493 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
14494             Patrick Marlier  <patrick.marlier@gmail.com>
14495             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
14497         PR lto/51916
14498         * lto-wrapper.c (run_gcc): Pass the LTO section name to
14499         simple_object_start_read.
14501 2012-01-23  Richard Guenther  <rguenther@suse.de>
14504         PR tree-optimization/51895
14505         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
14506         parameter decomposition into BLKmode components.
14508 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
14510         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
14511         fake variables for restrict-qualified pointers whose pointed-to type
14512         contains a placeholder.
14514 2012-01-23  Richard Guenther  <rguenther@suse.de>
14516         PR tree-optimization/51949
14517         * ipa-split.c (execute_split_functions): Do not split malloc functions.
14519 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
14521         PR rtl-optimization/51933
14522         * ree.c (transform_ifelse): Return true right away if dstreg is
14523         already wider or equal to cand->mode.
14524         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
14525         (make_defs_and_copies_lists): Remove defs_list and copies_list
14526         arguments, add state argument, just truncate state->work_list
14527         instead of always allocating and freeing the vector.  Assert that
14528         get_defs succeeds instead of returning 2.  Changed return type to bool.
14529         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
14530         have ext_src_mode, see if it has been modified already with the
14531         right kind of extension and has been extended before from the
14532         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
14533         just return true.  Remember the original mode in state->modified array.
14534         (combine_reaching_defs): Add state argument.  Don't allocate and
14535         free here def_list, copied_list and vec vectors, instead just
14536         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
14537         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
14538         Add state variable, clear vectors in it, initialize state.modified
14539         if needed.  Free all the vectors at the end and state.modified too.
14540         Don't skip a candidate if the extension expression has been modified.
14542 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
14544         PR target/47096
14545         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
14546          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
14547         (extra_options) interix.opt -> i386/interix.opt"
14548         (extra_objs):Add winnt-stubs.o
14549         * configure.ac: Add interix to target_os .comm on PE check.
14550         * configure: Regenerate.
14551         * config/interix3.h: Delete and move bits to..
14552         * config/interix.h: Delete and move bits to..
14553         * config/i386/i386-interix3.h: Delete and move bits to..
14554         * config/i386/i386-interix.h: ..here.
14555         (TARGET_CPU_DEFAULT): Remove redefinition.
14556         (TARGET_ASM_CONSTRUCTOR): Undefine.
14557         (SUBTARGET_SWITCHES): Define for ms-bitfields.
14558         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
14559         (PTRDIFF_TYPE): Define.
14560         (LONG_DOUBLE_TYPE_SIZE): Define.
14561         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
14562         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
14563         (TARGET_SECTION_TYPE_FLAGS): Define.
14564         (ASM_DECLARE_FUNCTION_NAME): Define.
14565         (ASM_OUTPUT_EXTERNAL): Define.
14566         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
14567         (ASM_OUTPUT_ALIGNED_BSS): Define.
14568         (PCC_BITFIELD_TYPE_MATTERS): Define.
14569         (USE_CONST_SECTION): Define.
14570         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
14571         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
14572         (SUPPORTS_ONE_ONLY): Remove.
14573         (I386_PE_STRIP_ENCODING): Define.
14574         * config/interix.opt: Delete and move bits to..
14575         * config/i386/interix.opt: ..here. New.
14576         (mpe-aligned-commons): Add.
14577         * config/i386/t-interix: Add copyright header.
14578         (winnt-stubs.o): Add rule.
14580 2012-01-22  Jason Merrill  <jason@redhat.com>
14582         PR c++/51832
14583         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
14584         for extra name aliases.
14586 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14588         PR rtl-optimization/51924
14589         * ree.c (combine_set_extension): Improve debugging message.
14590         (combine_reaching_defs): Likewise.
14591         (get_defs): Rename confusingly named variable.
14592         (find_and_remove_re): Skip a candidate if the extension expression has
14593         been modified.
14595 2012-01-21  Robert Millan  <rmh@gnu.org>
14596             Gerald Pfeifer  <gerald@pfeifer.com>
14598         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
14599         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
14601 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
14603         PR tree-optimization/51914
14604         * tree-vect-stmts.c (vectorizable_conversion): For
14605         cvt_type && modifier == WIDEN, put temporary with cvt_type
14606         at the beginning of vec_dsts and set vec_dest to temporary
14607         with vectype_out.
14609 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
14611         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
14613 2012-01-20  Tijl Coosemans  <tijl@coosemans.org>
14615         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
14616         * config/rs6000/rs6000.c: Likewise.
14618 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
14620         PR target/51915
14621         * config/arm/arm.c (arm_count_output_move_double_insns): Call
14622         output_move_double on a copy of operands array.
14624 2012-01-20  Cary Coutant  <ccoutant@google.com>
14625             Dodji Seketeli  <dodji@redhat.com>
14627         PR debug/45682
14628         * dwarf2out.c (copy_declaration_context): Return ref to parent
14629         of declaration DIE, if necessary.
14630         (remove_child_or_replace_with_skeleton): Add new parameter; update
14631         caller.  Place skeleton DIE under parent DIE of original declaration.
14632         Move call to copy_declaration_context to here ...
14633         (break_out_comdat_types): ... from here.
14635 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14637         PR rtl-optimization/51856
14638         * reload.c (find_reloads_subreg_address): Set the address_reloaded
14639         flag to reloaded.
14641 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
14643         PR target/51819
14644         * config/arm/arm.c (arm_print_operand): Correct output of alignment
14645         hints for neon loads and stores.
14647 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
14649         PR target/49868
14650         PR target/50887
14651         * doc/extend.texi (Named Address Spaces): Split into subsections.
14652         (AVR Named Address Spaces): New subsection.
14653         (M32C Named Address Spaces): New subsection.
14654         (RL78 Named Address Spaces): New subsection.
14655         (SPU Named Address Spaces): New subsection.
14656         (Variable Attributes): New anchor "AVR Variable Attributes".
14657         (AVR Variable Attributes): Rewrite and avoid wording
14658         "address space" in this context.
14659         * doc/invoke.texi (AVR Options): Rewrite and add documentation
14660         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
14661         (AVR Built-in Macros): New subsubsection therein.
14662         * doc/md.texi (AVR constraints): Remove "C04", "R".
14664 2012-01-20  Richard Guenther  <rguenther@suse.de>
14666         PR tree-optimization/51903
14667         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
14668         when removing stmts.
14670 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
14672         PR target/50313
14673         * config/arm/arm.c (arm_load_pic_register): Use
14674         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
14675         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
14676         (arm_pic_static_addr): Likewise.
14677         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
14678         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
14679         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
14680         (pic_load_addr_unified): New.
14682 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
14684         PR target/51106
14685         * function.c (instantiate_virtual_regs_in_insn): Use
14686         delete_insn_and_edges when removing a wrong asm insn.
14688 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
14690         PR rtl-optimization/40761
14691         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
14692         Add new member loop_num.
14693         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
14694         (ira_build): Remove the parameter.
14696         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
14697         (ira.c): Do not build CFG loops for one region allocation.  Remove
14698         argument from ira_build call.
14700         * ira-build.c (init_loop_tree_node): New function.
14701         (create_loop_tree_nodes): Use it.  Separate the case when CFG
14702         loops are not built.
14703         (more_one_region_p): Check current_loops.
14704         (finish_loop_tree_nodes): Separate the case when CFG loops are not
14705         built.
14706         (add_loop_to_tree): Process loop equal to NULL too.
14707         (form_loop_tree): Separate the case when CFG loops are not built.
14708         Use explicitly number for the root.
14709         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
14710         an assertion.
14711         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
14712         instead of loop->num.
14713         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
14714         (mark_all_loops_for_removal): Ditto.
14715         (remove_unnecessary_regions): Separate the case when CFG loops
14716         are not built.
14717         (ira_build): Remove the parameter.  Use explicit number of regions
14718         when CFG loops are not built.
14720         * ira-color.c (print_loop_title): Separate the case for the root node.
14721         Use loop_num instead of loop->num.
14722         (move_spill_restore): Use loop_num instead of loop->num.
14724         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
14725         (change_loop): Ditto.
14726         (change_loop): Use loop_num instead of loop->num.
14728         * ira-lives.c (process_bb_node_lives): Ditto.
14730         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
14732         * ira-conflicts.c (print_allocno_conflicts): Ditto.
14734 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
14736         PR libmudflap/40778
14737         * tree-mudflap.c (mf_artificial): New function.
14738         (execute_mudflap_function_ops, execute_mudflap_function_decls,
14739         mx_register_decls, mudflap_enqueue_decl): Use it.
14741         PR target/51876
14742         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
14743         numbers in the insn pattern.
14745 2012-01-19  Michael Matz  <matz@suse.de>
14747         PR tree-optimization/46590
14748         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
14749         use it in remembering which conflicts we already created.
14750         (add_scope_conflicts): Adjust call to above, (de)allocate helper
14751         bitmap.
14753 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
14755         PR lto/51280
14756         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
14757         (merge_and_complain): Same.
14759 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
14761         PR bootstrap/50237
14762         * config/initfini-array.h: Guard content of the header
14763         with #ifdef HAVE_INITFINI_ARRAY.
14764         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
14765         Add initfini-array.h to tm_file here.
14766         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
14767         * config.gcc: Don't add initfini-array.h to tm_file here.
14768         * configure: Regenerated.
14770 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
14772         PR rtl-optimization/51505
14773         * df-problems.c (df_kill_notes): New parameter live. Update comment.
14774         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
14775         (df_note_bb_compute): Update the call to df_kill_notes.
14777 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
14779         * trans-mem.c (requires_barrier): Remove call to is_global_var.
14781 2012-01-18  Richard Guenther  <rguenther@suse.de>
14783         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
14784         of conversions to void *.
14786 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14787             Richard Sandiford  <rdsandiford@googlemail.com>
14789         PR middle-end/50325
14790         PR middle-end/51192
14791         * optabs.h (simplify_expand_binop): Declare.
14792         * optabs.c (simplify_expand_binop): Make global.
14793         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
14794         endian targets if the source cannot be exactly covered by word
14795         mode chunks.
14797 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
14799         PR bootstrap/51872
14800         * hard-reg-set.h (struct hard_reg_set_container): New type.
14801         * target.h (struct hard_reg_set_container): Forward declare.
14802         * target.def (set_up_by_prologue): New target hook.
14803         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
14804         * doc/tm.texi: Regenerated.
14805         * function.c (thread_prologue_and_epilogue_insns): Change
14806         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
14807         Call targetm.set_up_by_prologue on it.
14808         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
14809         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
14811 2012-01-17  Nick Clifton  <nickc@redhat.com>
14813         * config/rx/rx.c (rx_can_use_simple_return): New function.
14814         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
14815         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
14817 2012-01-17  Richard Guenther  <rguenther@suse.de>
14819         PR middle-end/51782
14820         * expr.c (expand_assignment): Take address-space information
14821         from the address operand of MEM_REF and TARGET_MEM_REF.
14822         (expand_expr_real_1): Likewise.
14824 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14826         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
14827         reload dump is requested.
14829 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
14831         PR other/51165
14832         * trans-mem.c (requires_barrier): Call may_be_aliased.
14834 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
14836         PR tree-optimization/51877
14837         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
14838         call arguments and fndecls compare equal, instead return false if they
14839         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
14840         both SSA_NAMEs that are valueized the same, or they satisfy
14841         operand_equal_p.
14843 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14845         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
14846         Solaris 11+.
14847         * configure: Regenerate.
14849 2012-01-16  Jan Hubicka  <jh@suse.cz>
14851         PR c/12245
14852         PR c++/14179
14853         * convert.c (convert_to_integer): Use fold_convert for
14854         converting an INTEGER_CST to integer type.
14856 2012-01-16  Jason Merrill  <jason@redhat.com>
14858         PR c++/14179
14859         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
14861 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
14863         PR bootstrap/51860
14864         * config/s390/s390.c (s390_chunkify_start): Don't skip
14865         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
14866         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
14867         If insn is followed by NOTE_INSN_VAR_LOCATION or
14868         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
14869         Don't use location of note insns.
14871         PR tree-optimization/51865
14872         * tree-inline.c (tree_function_versioning): Call remap_decl
14873         on DECL_RESULT whenever it has VOID_TYPE_P type.
14875 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
14877         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
14878         for calls to locally-binding MIPS16 functions if only the return
14879         type uses float regs.
14881 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
14882             Richard Sandiford  <rdsandiford@googlemail.com>
14884         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
14885         (SYMBOL_32_HIGH): Likewise.
14886         (mips_output_tls_reloc_directive): Declare.
14887         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
14888         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
14889         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
14890         (mips_lo_relocs, mips_hi_relocs): Make extern.
14891         (mips16_stub_function): Move up file.
14892         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
14893         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
14894         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
14895         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
14896         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
14897         (mips_get_tp): Add MIPS16 support.
14898         (mips_legitimize_tls_address): Remove MIPS16 sorry().
14899         Generalize DTPREL and TPREL handling.
14900         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
14901         Add MIPS16 TLS support.
14902         (mips_output_tls_reloc_directive): New function.
14903         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
14904         * config/mips/predicates.md (symbolic_operand_with_high)
14905         (tls_reloc_operand): New predicates.
14906         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
14907         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
14908         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
14909         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
14910         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
14911         (*tls_get_tp_mips16_call_<mode>): Likewise.
14913 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
14915         PR rtl-optimization/51821
14916         * recog.c (peep2_find_free_register): Determine clobbered registers
14917         from insn pattern.
14919 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
14921         PR target/50925
14922         * config/avr/avr-protos.h: Revert change of 2012-01-09.
14923         * config/avr/avr.c: Likewise.
14924         * config/avr/avr.h: Likewise.
14926 2012-01-13  Ian Lance Taylor  <iant@google.com>
14928         PR c++/50012
14929         * tree.h (TYPE_QUALS): Add cast to int.
14930         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
14932 2012-01-13  Ian Lance Taylor  <iant@google.com>
14934         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
14935         comparing param_index to VEC_length result.
14937 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
14939         * c-decl.c: Do not include tree-mudflap.h
14940         * tree-optimize.c: Likewise.
14941         * Makefile.in: Update dependencies.
14943 2012-01-13  Richard Guenther  <rguenther@suse.de>
14945         PR middle-end/8081
14946         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
14947         variable-sized result always use RSO.
14949 2012-01-12  DJ Delorie  <dj@redhat.com>
14951         * cfgexpand.c (convert_debug_memory_address): Allow any valid
14952         pointer type, not just the default pointer type.
14954 2012-01-09  Richard Henderson  <rth@redhat.com>
14955             Denis Chertykov  <chertykov@gmail.com>
14957         PR target/50925
14958         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
14959         * config/avr/avr.c (avr_can_eliminate): Simplify.
14960         (avr_initial_elimination_offset): Likewise.
14961         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
14962         (expand_epilogue): Likewise.
14963         (avr_legitimize_address): Gut.
14964         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
14965         (avr_hard_regno_nregs): New.
14966         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
14967         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
14968         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
14969         add soft frame pointer.
14970         (CALL_USED_REGISTERS): Likewise.
14971         (REG_CLASS_CONTENTS): Likewise.
14972         (REGISTER_NAMES): Likewise.
14973         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
14974         (HARD_FRAME_POINTER_REGNUM): New.
14975         (FRAME_POINTER_REGNUM): Use soft frame pointer.
14976         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
14977         remove the HARD_FRAME_POINTER self-elimination.
14979 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
14981         PR target/51756
14982         * config/avr/avr.c (avr_encode_section_info): Test for absence of
14983         DECL_EXTERNAL when checking for initializers of progmem variables.
14985 2012-01-12  Ira Rosen  <irar@il.ibm.com>
14987         PR tree-optimization/51799
14988         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
14989         that the last operation is a type demotion.
14991 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
14993         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
14994         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
14996 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
14998         PR bootstrap/51796
14999         * combine.c (distribute_notes): If i3 is a noreturn call,
15000         allow old_size to be equal to args_size and make sure the
15001         noreturn call gets REG_ARGS_SIZE note.
15002         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
15003         on noreturn calls even when the delta is 0.
15005 2012-01-11  Nathan Sidwell  <nathan@acm.org>
15007         * gcov.c (STRING_SIZE): Remove.
15008         (generate_results): Erase annotations for source files with no
15009         coverage information.
15010         (read_line): New.
15011         (output_lines): Use it.
15013 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
15015         * gimple.h (gimplify_body): Remove first argument.
15016         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
15017         pointer set here, instead just pass DATA to walk_tree.
15018         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
15019         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
15020         (unvisit_body): Likewise, but with unmark_visited.
15021         (gimplify_body): Remove BODY_P argument and adjust.
15022         (gimplify_function_tree): Adjust call to gimplify_body.
15023         * omp-low.c (finalize_task_copyfn): Likewise.
15025 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
15027         * tree.h (build_function_decl_skip_args): Add boolean parameter.
15028         (build_function_type_skip_args): Delete.
15029         * tree.c (build_function_type_skip_args): Make static and add
15030         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
15031         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
15032         pass it to build_function_type_skip_args.
15033         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
15034         (tree_function_versioning): Likewise.
15035         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
15036         build_function_decl_skip_args.
15037         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
15038         and pass it to build_function_decl_skip_args/tree_function_versioning.
15039         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
15040         * ipa-inline-transform.c (save_inline_function_body): Likewise.
15041         * trans-mem.c (ipa_tm_create_version): Likewise.
15042         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
15043         * tree-inline.c (declare_return_variable): Remove always-true test.
15044         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
15045         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
15046         * ipa-split.c (split_function): Skip the return value for the split
15047         part if it doesn't return.
15049 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15051         PR tree-optimization/49642
15052         * ipa-split.c (forbidden_dominators): New variable.
15053         (check_forbidden_calls): New function.
15054         (dominated_by_forbidden): Likewise.
15055         (consider_split): Check for forbidden dominators.
15056         (execute_split_functions): Initialize and free forbidden
15057         dominators info; call check_forbidden_calls.
15059 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
15061         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
15063 2012-01-11  Nick Clifton  <nickc@redhat.com>
15065         * config/rx/rx.md (return): Define pattern.
15067 2012-01-11  Richard Guenther  <rguenther@suse.de>
15069         * doc/extend.texi (malloc attribute): Adjust according to
15070         implementation.
15072 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
15073             Patrick Marlier  <patrick.marlier@gmail.com>
15075         PR middle-end/51516
15076         * trans-mem.c (get_cg_data): Traverse aliases if requested.
15077         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
15078         (ipa_tm_note_irrevocable): Same.
15079         (ipa_tm_scan_irr_block): Same.
15080         (ipa_tm_decrement_clone_counts): Same.
15081         (ipa_tm_scan_irr_function): Same.
15082         (ipa_tm_create_version_alias): Same.
15083         (ipa_tm_create_version): Same.
15084         (ipa_tm_transform_calls_redirect): Same.
15085         (ipa_tm_transform_calls): Same.
15086         (ipa_tm_transform_transaction): Same.
15087         (ipa_tm_execute): Same.
15089 2012-01-10  Richard Guenther  <rguenther@suse.de>
15091         PR middle-end/51806
15092         * opts.c (common_handle_option): Handle -Werror.
15094 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
15096         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
15097         operand number.
15099 2012-01-10  Jason Merrill  <jason@redhat.com>
15101         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
15102         information.
15104 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15106         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
15107         supports R_386_TLS_GD_PLT reloc.
15108         (gcc_cv_as_ix86_tlsldmplt): Check if linker
15109         supports R_386_TLS_LDM_PLT reloc.
15110         * configure: Regenerate.
15111         * config.in: Regenerate.
15113 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
15115         PR target/49868
15116         Extend __pgmx semantics to linearize memory.
15117         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
15118         determine if code comes inline or from libgcc.
15119         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
15120         (movmem_qi, movmem_qi): Set constraint #2 to "n".
15121         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
15122         (movmemx_qi, movmemx_hi): New insns.
15123         (xload_<mode>_libgcc): Rewrite to new insn condition.
15124         (xload_<mode>): Remove insns.
15125         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
15126         cases that don't satisfy avr_xload_libgcc_p().
15127         (avr_addr_space_convert): Allow converting in any direction.
15128         (avr_addr_space_subset_p): Return always true.
15129         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
15130         (avr_emit_movmemhi): Ditto.
15131         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
15132         (avr_out_movmem): Ditto.
15133         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
15134         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
15135         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
15136         (avr_encode_section_info): Encode 'progmem' in symbol flags.
15137         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
15139 2012-01-10  Richard Guenther  <rguenther@suse.de>
15141         PR tree-optimization/50913
15142         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
15143         Require data-refs to be representable by Graphite with respect
15144         to any loop nest.
15146 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
15148         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
15149         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
15151 2012-01-10  Tom de Vries  <tom@codesourcery.com>
15153         PR rtl-optimization/51271
15154         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
15155         handling annulled branch.
15157 2012-01-10  Richard Henderson  <rth@redhat.com>
15159         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
15160         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
15161         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
15162         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
15163         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
15164         arm_expand_vec_perm_const): New.
15165         * config/arm/arm-protos.h: Update.
15166         * config/arm/neon.md (UNSPEC_VCONCAT): New.
15167         (*neon_vswp<VDQX>): New.
15168         (neon_vcombine<VDX>): Use neon_split_vcombine.
15169         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
15170         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
15171         (vec_perm<VE>): New.
15173 2012-01-10  Richard Henderson  <rth@redhat.com>
15175         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
15176         use it if reload_completed.
15177         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
15178         arm_output_asm_insn, arm_process_output_memory_barrier,
15179         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
15180         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
15181         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
15182         arm_process_output_sync_insn, arm_output_sync_insn,
15183         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
15184         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
15185         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
15186         (emit_unlikely_jump): New.
15187         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
15188         (arm_split_atomic_op): New.
15189         * config/arm/arm-protos.h: Update.
15190         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
15191         (struct arm_sync_generator): Remove.
15192         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
15193         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
15194         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
15195         (VUNSPEC_LL, VUNSPEC_SC): New.
15196         (sync_result, sync_memory, sync_required_value, sync_new_value,
15197         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
15198         (attr length): Don't use arm_sync_loop_insns.
15199         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
15200         (movsfcc, movdfcc): Likewise.
15201         * config/arm/constraints.md (Ua): New.
15202         * config/arm/prediates.md (mem_noofs_operand): New.
15203         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
15204         (sync_clobber, sync_t2_reqd): Remove.
15205         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
15206         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
15207         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
15208         (arm_sync_compare_and_swap<SIDI>): Remove.
15209         (arm_sync_compare_and_swap<NARROW>): Remove.
15210         (arm_sync_lock_test_and_set<SIDI>): Remove.
15211         (arm_sync_lock_test_and_set<NARROW>): Remove.
15212         (arm_sync_new_<syncop><SIDI>): Remove.
15213         (arm_sync_new_<syncop><NARROW>): Remove.
15214         (arm_sync_new_nand<SIDI>): Remove.
15215         (arm_sync_new_nand<NARROW>): Remove.
15216         (arm_sync_old_<syncop><SIDI>): Remove.
15217         (arm_sync_old_<syncop><NARROW>): Remove.
15218         (arm_sync_old_nand<SIDI>): Remove.
15219         (arm_sync_old_nand<NARROW>): Remove.
15220         (*memory_barrier): Merge arm_output_memory_barrier.
15221         (atomic_compare_and_swap<QHSD>): New.
15222         (atomic_compare_and_swap<NARROW>_1): New.
15223         (atomic_compare_and_swap<SIDI>_1): New.
15224         (atomic_exchange<QHSD>): New.
15225         (cas_cmp_operand, cas_cmp_str): New.
15226         (atomic_op_operand, atomic_op_str): New.
15227         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
15228         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
15229         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
15230         (arm_load_exclusive<NARROW>): New.
15231         (arm_load_exclusivesi, arm_load_exclusivedi): New.
15232         (arm_store_exclusive<QHSD>): New.
15234 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
15236         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
15237         reload patterns if -mvsx-scalar-memory.
15239         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
15240         generated, even -mno-vsx-scalar-double was used.
15241         (vsx_xscvdpsp_scalar): Likewise.
15242         (vsx_xscvspdp_scalar2): Likewise.
15244 2012-01-09  Tom de Vries  <tom@codesourcery.com>
15245             Andrew Pinski  <apinski@cavium.com>
15247         PR debug/51471
15248         * reorg.c (fill_slots_from_thread): Don't speculate
15249         frame-related insns.
15251 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
15253         * sched-int.h (bb_note): Move to...
15254         * basic-block.h: ...here.
15255         * haifa-sched.c (bb_note): Move to...
15256         * cfgrtl.c: ...here.
15257         * function.c (next_block_for_reg): New function.
15258         (move_insn_for_shrink_wrap): Likewise.
15259         (prepare_shrink_wrap): Rewrite to use the above.
15261 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
15263         * gimple.c (is_gimple_non_addressable): Remove.
15264         * gimple.h: Remove is_gimple_non_addressable.
15265         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
15266         is_gimple_non_addressable.
15267         * trans-mem.c (expand_assign_tm): Same.
15269 2012-01-09  Richard Guenther  <rguenther@suse.de>
15271         PR tree-optimization/51775
15272         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
15273         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
15275 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
15277         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
15278         tuning parameters.
15279         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
15281 2012-01-09  Richard Guenther  <rguenther@suse.de>
15283         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
15285 2012-01-08  Jan Hubicka  <jh@suse.cz>
15287         PR tree-optimize/51680
15288         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
15289         on when known_vals needs to be computed; cleanup.
15291 2012-01-08  Jan Hubicka  <jh@suse.cz>
15293         PR tree-optimize/51694
15294         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
15296 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
15298         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
15299         for -std=c++98 and -std=c++11 too.
15301 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
15303         * cfgloop.c (cancel_loop): Add free() of bbs array.
15305 2012-01-07  Jan Hubicka  <jh@suse.cz>
15307         PR tree-optimization/51600
15308         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
15309         that benefits small functions.
15311 2012-01-07  Jan Hubicka  <jh@suse.cz>
15313         * ipa-inline.c (want_inline_small_function_p): Fix formating.
15315 2012-01-07  Jan Hubicka  <jh@suse.cz>
15317         PR tree-optimization/51680
15318         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
15319         whose inlining reduce unit size.
15321 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
15323         PR bootstrap/51725
15324         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
15325         Add canonical node to containing_mem chain after the non-canonical
15326         one, even if there weren't any locs to propagate.
15327         (remove_useless_values): Keep only canonical values.
15328         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
15329         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
15330         canonicalize mem_chain elements that are not discarded.
15332 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
15334         PR target/47333
15335         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
15336         before emitting functions.
15338         PR gcov-profile/50127
15339         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
15340         clear_aux_for_blocks.
15342 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
15344         PR debug/51746
15345         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
15347 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
15349         * c-decl.c (ext_block): Moved up.
15350         (collect_all_refs, for_each_global_decl): Take ext_block into account.
15352 2012-01-06  Han Shen  <shenhan@google.com>
15354         Translate built-in include paths for sysroot.
15355         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
15356         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
15358         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
15359         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
15361         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
15362         control whether sysroot should be prepended to gxx include dir.
15364         * configure: Regenerate.
15366 2012-01-06  Torvald Riegel  <triegel@redhat.com>
15368         PR rtl-optimization/51771
15369         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
15370         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
15372 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
15374         PR tree-optimization/51315
15375         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
15376         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
15378 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
15380         PR target/51681
15381         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
15382         for shrp pattern.  Correctly handle and fixup shift variable.
15383         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
15385 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15387         PR debug/51762
15388         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
15389         note when !ACCUMULATE_OUTGOING_ARGS.
15391 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
15393         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
15394         condition.
15395         (extract_range_from_unary_expr_1): Avoid useless computations.
15397 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15399         PR rtl-optimization/51767
15400         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
15401         of jump_block and add an extra edge for degenerated asm gotos.
15403         PR middle-end/51768
15404         * stmt.c (check_unique_operand_names): Don't ICE during error
15405         reporting if i is from labels chain.
15407         PR middle-end/44777
15408         * profile.c (branch_prob): Split bbs that have exit edge
15409         and need a fake entry edge too.
15411 2012-01-05  Jan Hubicka  <jh@suse.cz>
15413         PR middle-end/49710
15414         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
15415         unlooping loops.
15417 2012-01-05  Richard Guenther  <rguenther@suse.de>
15419         PR lto/50490
15420         * tree-streamer-out.c (write_ts_optimization): New function.
15421         (streamer_write_tree_body): Call it.
15422         * tree-streamer-in.c (lto_input_ts_optimization): New function.
15423         (streamer_read_tree_body): Call it.
15424         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
15426 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15428         PR middle-end/51761
15429         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
15430         * gimplify.c (gimplify_cleanup_point_expr): Save and set
15431         in_cleanup_point_expr before gimplify_stmt call and restore it
15432         afterwards.
15433         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
15434         in_cleanup_point_expr is false.
15436 2012-01-05  Richard Guenther  <rguenther@suse.de>
15438         PR middle-end/51764
15439         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
15440         to c.opt.
15441         * toplev.c (process_options): Reject combining mudflap and LTO.
15442         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
15444 2012-01-05  Richard Guenther  <rguenther@suse.de>
15446         PR tree-optimization/51760
15447         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
15448         not VARYING.
15449         (bit_value_unop): Handle UNDEFINED operands.
15450         (bit_value_binop): Likewise.
15452 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
15454         * config/avr/avr.c (avr_replace_prefix): Remove.
15455         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
15456         (avr_asm_function_rodata_section): Ditto.
15457         (avr_asm_select_section): Ditto.
15459 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
15461         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
15462         insertion.
15464 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15466         PR bootstrap/51648
15467         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
15468         calls that have any non-fake successor edges.
15470         PR debug/51746
15471         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
15473 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
15475         PR tree-optimization/51624
15476         * tree-sra.c (build_ref_for_model): When replicating a chain of
15477         COMPONENT_REFs, stop as soon as the offset would become negative.
15479 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
15481         PR debug/51695
15482         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
15483         in .debug_loc on the floor.
15485 2012-01-04  Andrew Pinski  <apinski@cavium.com>
15487         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
15489 2012-01-04  Andrew Pinski  <apinski@cavium.com>
15490             Adam Nemet  <anemet@caviumnetworks.com>
15492         * config/mips/mips.md (size): Add SI and DI.
15493         (SIZE): New mode attribute.
15494         (U): New code attribute.
15495         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
15496         (mips_lbux_<mode>): Delete.
15497         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
15498         (mips_lhx): Use gen_mips_lhx_extsi.
15499         (mips_lhx_<mode>): Delete.
15500         (mips_lwx): Delete.
15501         (mips_l<size>x): New expand.
15502         (mips_lwx_<mode>): Delete.
15503         (mips_l<GPR:size>x_<P:mode>): New pattern.
15504         (*mips_lw<u>x_<P:mode>_ext): Likewise.
15505         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
15506         * config/mips/mips.c (mips_lx_address_p): New function.
15507         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
15508         (dsp64): New availability predicate.
15509         (mips_builtins): Add an entry for __builtin_mips_ldx.
15510         * config/mips/mips.h (ISA_HAS_LBX): New define.
15511         (ISA_HAS_LBUX): Likewise.
15512         (ISA_HAS_LHX): Likewise.
15513         (ISA_HAS_LHUX): Likewise.
15514         (ISA_HAS_LWX): Likewise.
15515         (ISA_HAS_LWUX): Likewise.
15516         (ISA_HAS_LDX): Likewise.
15517         * doc/extend.texi (__builtin_mips_ldx): Document.
15519 2012-01-04  Tristan Gingold  <gingold@adacore.com>
15521         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
15522         when long pointers are used.
15523         * config.build (*-*-*vms*): Handle all OpenVMS targets.
15524         (alpha64-dec-*vms*, alpha*-dec-*vms*)
15525         (ia64-hp-*vms*): Remove.
15526         * config/vms/xm-vms64.h: Delete.
15528 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
15530         PR middle-end/51472
15531         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
15533 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
15535         * opts.c (finish_options): Remove duplicate sorry.
15537 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
15539         PR middle-end/51696
15540         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
15541         correctly.
15543 2012-01-04  Richard Guenther  <rguenther@suse.de>
15545         PR middle-end/51750
15546         * tree.c (size_low_cst): New function.
15547         * tree.h (size_low_cst): Declare.
15548         * fold-const.c (fold_comparison): Use it to extract the low
15549         part of the POINTER_PLUS_EXPR offset.
15551 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
15553         Fix clearing ZERO_REG
15554         * config/avr/avr.md (cc): Add alternative "ldi".
15555         (movqi_insn): Use it in cc attribute.
15556         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
15557         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
15558         (output_reload_insisf): Use ZERO_REG to pre-clear register.
15560 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15562         * configure: Regenerate.
15564 2012-01-04  Richard Guenther  <rguenther@suse.de>
15566         PR tree-optimization/49651
15567         * tree-ssa-structalias.c (type_can_have_subvars): New function.
15568         (var_can_have_subvars): Use it.
15569         (get_constraint_for_1): Only consider subfields if there can be any.
15571 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
15573         PR bootstrap/51725
15574         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
15575         to its new canonical_cselib_val and the cselib_val was in
15576         first_containing_mem chain, but the canonical_cselib_val was not,
15577         add the latter into the chain.
15578         (cselib_invalidate_mem): Compare canonical_cselib_val of
15579         addr_list chain elt with v.
15581         PR pch/51722
15582         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
15583         dwarf2out_undef): Allocate e.info using ggc_strdup instead
15584         of xstrdup.
15585         (output_macinfo_op): Don't ggc_strdup fd->filename.
15586         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
15587         then ggc_strdup it.  Don't free inc->info or cur->info.
15588         (output_macinfo): Don't free ref->info or file->info.
15590 2012-01-03  Ira Rosen  <irar@il.ibm.com>
15592         PR tree-optimization/51269
15593         * tree-vect-loop-manip.c (set_prologue_iterations): Make
15594         first_niters a pointer.
15595         (slpeel_tree_peel_loop_to_edge): Likewise.
15596         (vect_do_peeling_for_loop_bound): Update call to
15597         slpeel_tree_peel_loop_to_edge.
15598         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
15599         here.  Remove it from the parameters list.
15600         (vect_do_peeling_for_alignment): Update calls and compute
15601         wide_prolog_niters.
15603 2012-01-03  Richard Guenther  <rguenther@suse.de>
15605         PR tree-optimization/51070
15606         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
15607         Properly handle calls.
15609 2012-01-03  Richard Guenther  <rguenther@suse.de>
15611         PR tree-optimization/51692
15612         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
15613         the LHS of allocation stmts.
15615 2012-01-03  Olivier Hainque  <hainque@adacore.com>
15617         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
15619 2012-01-03  Olivier Hainque  <hainque@adacore.com>
15621         * collect2.c (main): In AIX specific computations for vector
15622         insertions, use CONST_CAST2 to cast from char ** to const char **.
15624 2012-01-03  Richard Guenther  <rguenther@suse.de>
15626         PR debug/51650
15627         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
15628         the context of a limbo DIE when it does not already exist.
15630 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
15632         PR tree-optimization/51719
15633         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
15634         but direct call is, clear direct call's lhs and don't add fallthrough
15635         edge from dcall_bb to join_bb and PHIs.
15637 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15639         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
15640         the instructions emitted by the pattern.
15641         ("*TDC_insn_<mode>"): Add comment.
15643 2012-01-03  Richard Guenther  <rguenther@suse.de>
15645         PR middle-end/51730
15646         * fold-const.c (fold_comparison): Properly canonicalize
15647         tree offset and HOST_WIDE_INT bit position.
15649 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
15651         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
15652         operands for extzv pattern.
15654 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
15656         PR bootstrap/51725
15657         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
15658         on mem_elt first.
15660 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
15662         * doc/invoke.texi (-flto and related options): Copy-edit.
15664 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
15666         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
15668 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
15670         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
15671         New patterns.
15673 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
15675         * expr.h (move_by_pieces_ninsns): Declare.
15676         * expr.c (move_by_pieces_ninsns): Make external.
15677         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
15678         (mips_store_by_pieces_p): Likewise.
15679         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
15680         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
15681         * config/mips/mips.c (mips_move_by_pieces_p): New function.
15682         (mips_store_by_pieces_p): Likewise.
15684 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
15686         * passes.c (register_one_dump_file): Free full_name.
15688         * reload1.c (reload): Don't allocate reg_max_ref_width here.
15689         (calculate_elim_costs_all_insns): Free offsets_at and
15690         offsets_known_at at the end and clear the pointers.
15692 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15694         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
15695         this option introduced in r180739.
15697 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15699         PR target/51345
15700         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
15701         (tmake_file target=avr): Add avr/t-multilib.
15703         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
15704         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
15705         * config/avr/genmultilib.awk: New file.
15706         * config/avr/t-multilib: New auto-generated file.
15707         * config/avr/multilib.h: New auto-generated file.
15708         * config/avr/t-avr (AVR_MCUS): New variable.
15709         (genopt.sh): Use it.
15710         (s-mlib): Depend on t-multilib.
15711         (t-multilib, multilib.h): New dependencies.
15712         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
15713         (MULTILIB_OPTIONS): Remove.
15714         (MULTILIB_MATCHES): Remove.
15715         (MULTILIB_DIRNAMES): Remove.
15716         (MULTILIB_EXCEPTIONS): Remove:
15717         * config/avr/genopt.sh: Don't use hard coded file name;
15718         pass AVR_MCUS from t-avr instead.
15720 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15722         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
15724 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15726         Implement light-weight DImode support.
15727         * config/avr/avr-dimode.md: New file.
15728         * config/avr/avr.md: Include it.
15729         (adjust_len): Add plus64, compare64.
15730         (HIDI): Remove code iterator.
15731         (code_stdname): New code attribute.
15732         (rotx, rotsmode): Remove DI.
15733         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
15734         as code iterator.
15735         * config/avr/avr-protos.h (avr_have_dimode): New.
15736         (avr_out_plus64, avr_out_compare64): New.
15737         * config/avr/avr.c (avr_out_compare): Handle DImode.
15738         (avr_have_dimode): New variable definition and initialization.
15739         (avr_out_compare64, avr_out_plus64): New functions.
15740         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
15741         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
15742         (avr_compare_pattern): Skip DImode comparisons.
15744 2012-01-02  Revital Eres  <revital.eres@linaro.org>
15746         * ddg.c (def_has_ccmode_p): New function.
15747         (add_cross_iteration_register_deps,
15748         create_ddg_dep_from_intra_loop_link): Call it.
15750 2012-01-02  Richard Guenther  <rguenther@suse.de>
15752         PR other/51679
15753         * invoke.texi (fassociative-math): Remove spurious paranthesis.
15755 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
15757         * gcc.c (process_command): Update copyright notice dates.
15758         * gcov.c (print_version): Likewise.
15759         * gcov-dump.c (print_version): Likewise.
15760         * mips-tfile.c (main): Likewise.
15761         * mips-tdump.c (main): Likewise.
15763 2012-01-01  Ira Rosen  <irar@il.ibm.com>
15765         PR tree-optimization/51704
15766         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
15767         a use is inside the basic block or loop before accessing its vect info.
15769 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
15771         PR rtl-optimization/51069
15772         * cfgloopmanip.c (remove_path): Removing path making irreducible
15773         region unconditional makes BB part of the region.
15775 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
15777         PR tree-optimization/51683
15778         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
15779         calls with side-effects.
15780         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
15782 Copyright (C) 2012 Free Software Foundation, Inc.
15784 Copying and distribution of this file, with or without modification,
15785 are permitted in any medium without royalty provided the copyright
15786 notice and this notice are preserved.