re PR target/53487 (Unrecognizable insn for conditional move)
[official-gcc.git] / gcc / ChangeLog
blob7ed28072a10a26e5ed0ca1452e067a70cb16d675
1 2012-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
3         PR target/53487
4         * config/rs6000/rs6000.c (rs6000_generate_compare): If we are
5         doing an unsigned compare, make sure the second argument is not a
6         negative constant.
7         (rs6000_emit_cmove): Don't allow floating point comparisons when
8         generating ISEL moves.
10 2012-06-05  Edmar Wienskoski  <edmar@freescale.com>
12         * config/rs6000/e5500.md: New file.
13         * config/rs6000/e6500.md: New file.
14         * config/rs6000/rs6000.c (processor_costs): Add new costs for
15         e5500 and e6500.
16         (rs6000_option_override_internal): Altivec and Spe options not
17         allowed with e5500. Spe options not allowed with e6500. Increase
18         move inline limit for e5500 and e6500. Disable string instructions
19         for e5500 and e6500. Enable branch targets alignment for e5500 and
20         e6500. Initialize rs6000_cost for e5500 and e6500.
21         (rs6000_adjust_cost): Add extra scheduling cycles between compare
22         and brnach for e5500 and e6500.
23         (rs6000_issue_rate): Set issue rate for e5500 and e6500.
24         * config/rs6000/rs6000-cpus.def: Add cpu definitions for e5500 and
25         e6500.
26         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add e5500 and e6500.
27         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce5500 and
28         ppce6500.
29         Include e5500.md and e6500.md.
30         * config/rs6000/rs6000-opt.h (processor_type): Add
31         PROCESSOR_PPCE5500 and PROCESSOR_PPCE6500.
32         * config.gcc (cpu_is_64bit): Add new cores e5500, e6500.
33         (powerpc*-*-*): Add new cores e5500, e6500.
34         * doc/invoke.texi: (item -mcpu): Add e5500 and e6500 to list of cpus.
36 2012-06-05  Richard Guenther  <rguenther@suse.de>
38         * tree-vect-data-refs.c (vect_analyze_data_refs): Fix last
39         change.
41 2012-06-05  H.J. Lu  <hongjiu.lu@intel.com>
43         PR target/53575
44         * config.gcc: Select x32 run-time library if --with-abi={x32|mx32}
45         is used for x86_64-*-*.
47 2012-06-05  Richard Guenther  <rguenther@suse.de>
49         PR tree-optimization/30442
50         * tree-vect-data-refs.c (vect_analyze_data_refs): For basic-block
51         vectorization stop analysis at the first stmt we cannot compute
52         a data-reference for instead of giving up completely.
54 2012-06-05  Richard Guenther  <rguenther@suse.de>
56         * tree-loop-distribution.c (struct partition_s): Add has_writes
57         member.
58         (partition_alloc): Initialize it.
59         (partition_has_writes): New function.
60         (rdg_flag_uses): Adjust.
61         (rdg_flag_vertex): Likewise.
62         (rdg_flag_vertex_and_dependent): Likewise.
63         (rdg_flag_loop_exits): Likewise.
64         (build_rdg_partition_for_component): Likewise.
65         (rdg_build_partitions): Likewise.
67 2012-06-05  Richard Guenther  <rguenther@suse.de>
69         PR tree-optimization/53081
70         * tree-loop-distribution.c (generate_memset_builtin): Handle all
71         kinds of byte-sized stores.
72         (classify_partition): Likewise.
73         (tree_loop_distribution): Adjust seed statements used for
74         !flag_tree_loop_distribution.
76 2012-06-05  Alan Modra  <amodra@gmail.com>
78         * config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
79         (rs6000_emit_prologue): Ensure register used for inline saves
80         of vector regs is not the static chain register.  Revise comment.
82 2012-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
84         * doc/md.texi (Standard Pattern Names For Generation): Document
85         sincos pattern.
87 2012-06-04  H.J. Lu  <hongjiu.lu@intel.com>
89         PR bootstrap/53555
90         * config/i386/i386.c (ix86_sched_reorder) Skip debug insns.
92 2012-06-04  Jason Merrill  <jason@redhat.com>
94         * dwarf2out.c (is_unit_die): New.
95         (copy_declaration_context, copy_ancestor_tree): Use it.
96         (copy_decls_walk): Likewise.
98 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
100         PR c++/53524
101         * doc/invoke.texi (Wenum-compare): Update documentation.
103 2012-06-04  Dodji Seketeli  <dodji@redhat.com>
105         PR preprocessor/53463
106         * parser.c (cp_parser_assignment_expression): Use the location
107         for the '=' as the default location for the expression.
109 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
111         PR target/53559
112         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
113         operands.
114         (altivec_stvlxl): Ditto.
115         (altivec_stvrx): Ditto.
116         (altivec_stvrxl): Ditto.
118 2012-06-04  Vladimir Makarov  <vmakarov@redhat.com>
120         * ira-int.h (struct target_ira_int): Add member
121         x_ira_uniform_class_p.
122         (ira_uniform_class_p): New macro.
124         * ira.c (setup_uniform_class_p): New function.
125         (setup_allocno_and_important_classes): Call the function.
126         (print_unform_and_important_classes): New function.
127         (print_classes): Rename to print_translated_classes.
128         (ira_debug_allocno_classes): Add call of
129         print_unform_and_important_classes.
131         * ira-costs.c (setup_regno_cost_classes_by_aclass): Use uniform
132         classes instead of pressure classes.
134 2012-06-04   Sterling Augustine  <saugustine@google.com>
136         * gcc/c-family/c-pretty-print.h (pp_c_flag_gnu_v3): New enumerator.
137         * gcc/c-family/c-pretty-print.c (pp_c_specifier_qualifier_list): Check
138         it at both the start and end of the function.
139         * gcc/cp/error.c (dump_decl): Check pp_c_flag_gnu_v3.
140         (decl_as_dwarf_string, lang_decl_dwarf_name): New functions.
141         (lang_decl_name): Handle namespace decls.
142         * gcc/cp/cp-tree.h: Declare decl_as_dwarf_string, lang_decl_dwarf_name.
143         * gcc/cp/cp-lang.c: Call them.
145 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
147         PR middle-end/47530
148         * trans-mem.c (expand_block_edges): Do not skip the first
149         statement when resetting the BB.
151 2012-06-04  Richard Guenther  <rguenther@suse.de>
153         * tree-data-ref.c (stores_from_loop): Remove.
154         (stmt_with_adjacent_zero_store_dr_p): Likewise.
155         (stores_zero_from_loop): Likewise.
156         * tree-data-ref.h (stores_from_loop, stores_zero_from_loop,
157         stmt_with_adjacent_zero_store_dr_p, stride_of_unit_type_p): Remove.
158         (adjacent_store_dr_p): New function.
159         * tree-loop-distribution.c (generate_memset_builtin): Pass
160         the RDG, use the already available data-reference.
161         (generate_code_for_partition): Pass down RDG.
162         (classify_partition): Inline parts of the former
163         stmt_with_adjacent_zero_store_dr_p here and use adjacent_store_dr_p.
164         (ldist_gen): Remember if there was any detected builtin and
165         do less work if not and flag_tree_loop_distribution is not set.
166         (tree_loop_distribution): Inline and fuse stores_from_loop
167         and stores_zero_from_loop here.
169 2012-06-04  Richard Guenther  <rguenther@suse.de>
171         PR middle-end/53471
172         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
173         create new assembler names.
175 2012-06-04  Richard Guenther  <rguenther@suse.de>
177         * tree-data-ref.c (struct rdg_vertex_info): Remove.
178         (rdg_vertex_for_stmt): Simplify using gimple_uid.
179         (create_rdg_vertices): Pass loop argument, remove stmt to RDG index
180         hashtable.   Record stmt data-references.
181         (hash_stmt_vertex_info): Remove.
182         (eq_stmt_vertex_info): Likewise.
183         (hash_stmt_vertex_del): Likewise.
184         (build_empty_rdg): Simplify.
185         (build_rdg): Adjust.
186         (free_rdg): Likewise.
187         (ref_base_address): Remove.
188         (have_similar_memory_accesses): Likewise.
189         * tree-data-ref.h (create_rdg_vertices): Remove.
190         (struct rdg_vertex): Add datarefs member.
191         (RDGV_DATAREFS): New define.
192         (RDG_DATAREFS): Likewise.
193         (have_similar_memory_accesses): Remove.
194         (rdg_has_similar_memory_accesses): Likewise.
195         * tree-loop-distribution.c (ref_base_address): Re-implement here.
196         (similar_memory_accesses): Re-implement using existing data-references.
197         (tree_loop_distribution): Initialize stmt uids for the stmt to
198         RDG index mapping.
199         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
200         access stmt vinfo for stmts in loop.
202 2012-06-04  Andreas Schwab  <schwab@linux-m68k.org>
204         PR target/53461
205         * config/m68k/m68k.md ("tablejump"): Fix check for
206         CASE_VECTOR_PC_RELATIVE.
208 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
210         * output.h (merge_weak, assemble_alias,
211         initializer_constant_valid_p,
212         initializer_constant_valid_for_bitfield_p): Move protos from here...
213         * tree.h: ... to here.
214         * cgraphclones.c: Do not include output.h.
215         * gimplify.c: Likewise.
216         * reload.c: Likewise.
217         * recog.c: Likewise.
218         * tree-ssa-loop-ivopts.c: Likewise.
219         * tree-switch-conversion.c: Likewise.
220         * c-parser.c: Likewise.
221         * c-typeck.c: Likewise.
222         * Makefile.in: Fix dependencies.
224 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
226         PR target/46261
227         * config/avr/avr-stdint.h: New file.
228         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
229         newlib-stdint.h
231 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
233         PR tree-optimization/53550
234         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
235         is POINTER_TYPE_P, use sizetype as step type instead of type.
237 2012-06-04  Richard Guenther  <rguenther@suse.de>
239         * tree-data-ref.c (have_similar_memory_accesses_1): Remove.
240         (ref_base_address_1): Likewise.
241         (remove_similar_memory_refs): Likewise.
242         * tree-data-ref.h (remove_similar_memory_refs): Remove.
243         * tree-loop-distribution.c (classify_partition): Do not classify
244         as builtin if -ftree-loop-distribute-patterns is not enabled.
245         (fuse_partitions_with_similar_memory_accesses): Inline ...
246         (ldist_gen): ... here.  Fuse all non-builtin partitions if
247         -ftree-loop-distribution is not enabled.  Properly return
248         the number of created partitions.  Do not update SSA form here
249         but ...
250         (tree_loop_distribution): ... once here for the whole function.
251         Only walk innermost loops, constrain loops we consider here
252         further.  Do not call remove_similar_memory_refs.
253         (distribute_loop): Do not check number of loop nodes here.
255 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
257         * Makefile.in (GIMPLE_H): Do not depend on TARGET_H.
259 2012-06-03  Martin Jambor  <mjambor@suse.cz>
261         * ipa-prop.h (ipa_get_jf_known_type_offset): New function.
262         (ipa_get_jf_known_type_base_type): Likewise.
263         (ipa_get_jf_known_type_component_type): Likewise.
264         (ipa_get_jf_constant): Likewise.
265         (ipa_get_jf_pass_through_formal_id): Likewise.
266         (ipa_get_jf_pass_through_operation): Likewise.
267         (ipa_get_jf_ancestor_offset): Likewise.
268         (ipa_get_jf_ancestor_type): Likewise.
269         (ipa_get_jf_ancestor_formal_id): Likewise.
270         (ipa_get_jf_member_ptr_pfn): Likewise.
271         * ipa-prop.c (ipa_set_jf_known_type): New function.
272         (ipa_set_jf_constant): Likewise.
273         (ipa_set_jf_simple_pass_through): Likewise.
274         (ipa_set_jf_arith_pass_through): Likewise.
275         (ipa_set_ancestor_jf): Likewise.
276         (fill_member_ptr_cst_jump_function): Moved up and renamed to
277         ipa_set_jf_member_ptr_cst.
278         (detect_type_change_1): Use the new jump function creation functions.
279         (compute_complex_assign_jump_func): Likewise.
280         (compute_complex_ancestor_jump_func): Likewise.
281         (compute_known_type_jump_func): Likewise.
282         (compute_scalar_jump_functions): Likewise.
283         (compute_pass_through_member_ptrs): Likewise.
284         (determine_cst_member_ptr): Likewise.
285         (combine_known_type_and_ancestor_jfs): Likewise.
286         (try_make_edge_direct_simple_call): Likewise.
287         (try_make_edge_direct_virtual_call): Likewise.
288         (update_indirect_edges_after_inlining): Likewise.
289         * ipa-cp.c (ipa_get_jf_pass_through_result): Use jump function
290         access functions.  Incorporat NOP_EXPR and BINFO handling from its
291         callers.
292         (ipa_get_jf_ancestor_result): Likewise.  Incorporate handling BINFOs
293         which was in its callers.
294         (ipa_value_from_jfunc): Use jump function access functions.  Some
295         functionality moved to functions above.
296         (propagate_vals_accross_ancestor): Likewise.
297         (propagate_vals_accross_pass_through): Use jump function access
298         functions.
299         (propagate_accross_jump_function): Likewise.
300         * ipa-inline-analysis.c (remap_edge_change_prob): Use jump function
301         access functions.
302         (inline_merge_summary): Likewise.
304 2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
306         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
307         * config/pa/pa.c (pa_attr_length_millicode_call): Use
308         MAX_PCREL17F_OFFSET instead of fixed offset.
309         (pa_attr_length_call): Likewise.
310         (pa_attr_length_indirect_call): Likewise.
312 2012-06-03  Oleg Endo  <olegendo@gcc.gnu.org>
314         PR target/53512
315         * sh.opt (mfsca, mfsrra): New options.
316         * sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA condition.
317         (fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
318         (sinssf2, cossf2): Fold expanders to ...
319         (sincossf3): ... this new expander.  Use TARGET_FPU_ANY and
320         TARGET_FSCA condition.
321         * sh.c (sh_option_override): Handle TARGET_FSRRA and TARGET_FSCA.
322         * doc/invoke.texi (SH Options): Add descriptions for -mfsca,
323         -mno-fsca, -mfsrra, -mno-fsrra.
325 2012-06-03  Matt Turner  <mattst88@gmail.com>
327         * config/mips/4600.md (r4700_imul_si): New.
328         (r4700_imul_di): New.
329         (r4700_fmul_single): New.
330         (r4700_fmul_double): New.
331         * config/mips/mips-cpus.def: Add r4700.
332         * config/mips/mips.c: Likewise.
333         * config/mips/mips.md: Likewise.
334         * config/mips/mips-tables.opt: Regenerate.
336 2012-06-02  Steven Bosscher  <steven@gcc.gnu.org>
338         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Split out to
339         new function sparc_initial_elimination_offset.
340         * config/sparc/sparc.c (sparc_initial_elimination_offset): New
341         function.
342         * config/sparc/sparc-protos.h (sparc_initial_elimination_offset):
343         Prototype it.
345 2012-06-02  Kenneth Zadeck <zadeck@naturalbridge.com>
347         * expmed.c (expand_mult, choose_multiplier): Change "2 *
348         HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT".
349         * expr.c (convert_modes): Likewise.
350         * explow.c (plus_constant): Likewise.
351         * fixed-value.c (fixed_saturate1, fixed_saturate2)
352         (do_fixed_add, do_fixed_multiply, do_fixed_multiply)
353         (do_fixed_multiply, do_fixed_multiply, do_fixed_divide)
354         (do_fixed_divide, do_fixed_divide, do_fixed_divide)
355         (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift)
356         (do_fixed_shift, fixed_convert, fixed_convert)
357         (fixed_convert_from_int, fixed_convert_from_int)
358         (fixed_convert_from_real): Likewise.
359         * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p)
360         (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise.
361         * varasm.c (output_constructor_bitfield): Likewise.
362         * tree-vrp.c (register_edge_assert_for_2): Likewise.
363         * double-int.c (rshift_double, lshift_double): Likewise.
364         * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int): Likewise.
365         * simplify-rtx.c (mode_signbit_p)
366         (simplify_const_unary_operation, simplify_binary_operation_1)
367         (simplify_immed_subreg): Likewise.
368         * builtins.c (c_readstr, fold_builtin_bitop): Likewise.
369         * tree-vect-generic.c (build_replicated_const): Likewise.
370         * dbxout.c (stabstr_O): Likewise.
371         * emit-rtl.c (immed_double_int_const, immed_double_const)
372         (gen_lowpart_common, init_emit_once): Likewise.
373         * tree.c (integer_pow2p, tree_log2, tree_floor_log2)
374         (widest_int_cst_value, upper_bound_in_type): Likewise.
375         * stor-layout.c (initialize_sizetypes, fixup_signed_type)
376         (fixup_unsigned_type): Likewise.
377         * real.c (real_to_integer2, real_from_integer): Likewise.
378         * dwarf2out.c (size_of_loc_descr, size_of_die, output_die)
379         (clz_loc_descriptor, mem_loc_descriptor): Likewise.
381 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
383         PR middle-end/53501
384         * fold-const.c (fold_binary_loc): Refine previous change.
386 2012-06-01  Olivier Hainque  <hainque@adacore.com>
388         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Restore
389         the "do {" part of the do-while(0) loop.
391 2012-06-01  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
393         * config/i386/i386.c (x86_sched_reorder): New function.
394         Added new function x86_sched_reorder.
396 2012-06-01  Richard Guenther  <rguenther@suse.de>
398         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
399         Handle PHIs.
400         (classify_partition): Likewise.
402 2012-06-01  Richard Guenther  <rguenther@suse.de>
404         * tree-loop-distribution.c (enum partition_kind): New enum.
405         (struct partition_s): Add kind and main_stmt members.
406         (partition_alloc): Initialize kind to PKIND_NORMAL.
407         (partition_builtin_p): New function.
408         (copy_loop_before): Remove failure path and assert instead.
409         (generate_loops_for_partition): Likewise.
410         (generate_memset_zero): Fold into ...
411         (generate_memset_builtin): ... this.
412         (classify_partition): New function with code from
413         can_generate_builtin and generate_builtin.
414         (generate_builtin): Remove.
415         (can_generate_builtin): Likewise.
416         (fuse_partitions_with_similar_memory_accesses): Call
417         partition_builtin_p instead of can_generate_builtin.
418         (rdg_build_partitions): Do not call
419         fuse_partitions_with_similar_memory_accesses here...
420         (ldist_gen): ... but here after classifying all partitions.
421         Remove failure path of generate_code_for_partition.
422         (generate_code_for_partition): Generate code according
423         to partition classification.
425 2012-06-01  Manuel López-Ibáñez  <manu@gcc.gnu.org>
426             Jonathan Wakely  <jwakely.gcc@gmail.com>
428         PR c++/50134
429         * doc/invoke.texi (Warning Options): Explain purpose and differences
430         between -Wmissing-prototypes and -Wmissing-declarations.
432 2012-06-01  Christian Bruel  <christian.bruel@st.com>
434         * gcc.c (save_switch): Add user_p parameter.
435         (read_specs): Likewise.
436         (set_specs): Likewise.
437         (validate_switches): Likewise.
438         (validate_switches_from_spec): Likewise.
439         (validate_all_switches): Pass on user_p parameter.
440         (struct spec_list): Add user_p field.
441         (struct switchstr): Add known field.
442         (save_switch): Add known parameter.
443         (INIT_STATIC_SPEC): Initialize user_p;
444         (driver_unknown_option_callbac): call save_switch if
445         OPT_SPECIAL_unknown.
446         (driver_handle_option): Propagate OPT_specs.
447         (do_spec_1): Set validated only if known.
448         (check_live_switch): Likewise.
449         (validate_switches): Set validated if known or user_spec.
451 2012-06-01  Hans-Peter Nilsson  <hp@axis.com>
453         Add CRIS atomic patterns for 1, 2, and 4 bytes.
454         * config/cris/cris.c (cris_emit_trap_for_misalignment): New function.
455         * config/cris/cris-protos.h: Declare it.
456         * config/cris/cris.h [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32] 
457         (TARGET_DEFAULT): Add alignment by 32.
458         [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 10] (TARGET_DEFAULT): New
459         case, as TARGET_CPU_DEFAULT == 0 but with alignment as for
460         TARGET_CPU_DEFAULT == 32. 
461         (TARGET_TRAP_UNALIGNED_ATOMIC): New macro.
462         * config/cris/cris.md: Include sync.md.  Avoid allocating specific
463         numbers by replacing the define_constants for all UNSPECs with the
464         equivalent define_c_enum construct.
465         * config/cris/cris.opt (mtrap-unaligned-atomic): New option.
466         * config/cris/sync.md: New file.
468 2012-05-31  Matt Turner  <mattst88@gmail.com>
470         * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul.
471         (r4600_imul_di): New.
472         (r4600_idiv_si): Rename from r4600_idiv.
473         (r4600_idiv_di): New.
475 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
477         * output.h (__gcc_host_wide_int__): Move to hwint.h.
478         (decl_default_tls_model): Move to tree.h
479         (dump_file): Move to system.h.
480         (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor,
481         dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline,
482         dbxout_begin_empty_stabs, dbxout_begin_simple_stabs,
483         dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero,
484         dbxout_stab_value_zero, dbxout_stab_value_label_diff,
485         dbxout_stab_value_internal_label,
486         dbxout_stab_value_internal_label_diff): Move from here ...
487         * dbxout.h: ... to here.
488         * system.h (dump_file): Moved here from output.h.
489         * hwint.h (__gcc_host_wide_int__): Moved here from output.h.
490         * tree.h (decl_default_tls_model): Moved here from output.h.
491         * varasm.c (default_stabs_asm_out_destructor,
492         default_stabs_asm_out_constructor): Move from here ...
493         * dbxout.c: ... to here.
495         * gcov-dump.c (dump_file): Rename to dump_gcov_file.  Update callers.
497         * collect2.h (dump_file): Rename to dump_ld_file.
498         * collect2.c: Likewise.
499         * tlink.c: Likewise.
501         * alias.c: Do not include output.h.
502         * auto-inc-dec.c: Likewise.
503         * bt-load.c: Likewise.
504         * caller-save.c: Likewise.
505         * cfg.c: Likewise.
506         * cfgbuild.c: Likewise.
507         * cfgcleanup.c: Likewise.
508         * cfglayout.c: Likewise.
509         * cfgloop.c: Likewise.
510         * cfgloopanal.c: Likewise.
511         * cfgloopmanip.c: Likewise.
512         * cfgrtl.c: Likewise.
513         * cgraph.c: Likewise.
514         * cgraphclones.c: Likewise.
515         * combine-stack-adj.c: Likewise.
516         * combine.c: Likewise.
517         * cprop.c: Likewise.
518         * cse.c: Likewise.
519         * cselib.c: Likewise.
520         * dbgcnt.c: Likewise.
521         * df-problems.c: Likewise.
522         * df-scan.c: Likewise.
523         * dojump.c: Likewise.
524         * fwprop.c: Likewise.
525         * gcse.c: Likewise.
526         * graph.c: Likewise.
527         * haifa-sched.c: Likewise.
528         * hw-doloop.c: Likewise.
529         * ipa-inline-transform.c: Likewise.
530         * ipa-pure-const.c: Likewise.
531         * ipa-reference.c: Likewise.
532         * ipa-utils.c: Likewise.
533         * ira-build.c: Likewise.
534         * ira-emit.c: Likewise.
535         * lcm.c: Likewise.
536         * loop-doloop.c: Likewise.
537         * loop-invariant.c: Likewise.
538         * loop-iv.c: Likewise.
539         * loop-unroll.c: Likewise.
540         * loop-unswitch.c: Likewise.
541         * lto-cgraph.c: Likewise.
542         * lto-section-in.c: Likewise.
543         * lto-streamer-in.c: Likewise.
544         * mcf.c: Likewise.
545         * mode-switching.c: Likewise.
546         * postreload-gcse.c: Likewise.
547         * postreload.c: Likewise.
548         * predict.c: Likewise.
549         * profile.c: Likewise.
550         * ree.c: Likewise.
551         * reg-stack.c: Likewise.
552         * regcprop.c: Likewise.
553         * regmove.c: Likewise.
554         * regstat.c: Likewise.
555         * reload1.c: Likewise.
556         * sched-ebb.c: Likewise.
557         * sel-sched-dump.c: Likewise.
558         * simplify-rtx.c: Likewise.
559         * stor-layout.c: Likewise.
560         * store-motion.c: Likewise.
561         * tracer.c: Likewise.
562         * tree-affine.c: Likewise.
563         * tree-cfg.c: Likewise.
564         * tree-cfgcleanup.c: Likewise.
565         * tree-dfa.c: Likewise.
566         * tree-into-ssa.c: Likewise.
567         * tree-nomudflap.c: Likewise.
568         * tree-optimize.c: Likewise.
569         * tree-pretty-print.c: Likewise.
570         * tree-profile.c: Likewise.
571         * tree-ssa-address.c: Likewise.
572         * tree-ssa-ccp.c: Likewise.
573         * tree-ssa-copy.c: Likewise.
574         * tree-ssa-dom.c: Likewise.
575         * tree-ssa-loop-ch.c: Likewise.
576         * tree-ssa-loop-im.c: Likewise.
577         * tree-ssa-loop-manip.c: Likewise.
578         * tree-ssa-loop-niter.c: Likewise.
579         * tree-ssa-loop-prefetch.c: Likewise.
580         * tree-ssa-loop-unswitch.c: Likewise.
581         * tree-ssa-loop.c: Likewise.
582         * tree-ssa-propagate.c: Likewise.
583         * tree-ssa-structalias.c: Likewise.
584         * tree-ssa-tail-merge.c: Likewise.
585         * tree-ssa-threadedge.c: Likewise.
586         * tree-ssa-threadupdate.c: Likewise.
587         * tree-ssa-uncprop.c: Likewise.
588         * tree-ssa-uninit.c: Likewise.
589         * tree-ssa.c: Likewise.
590         * value-prof.c: Likewise.
591         * var-tracking.c: Likewise.
592         * web.c: Likewise.
594         * config/m32r/m32r.c: Include dbxout.h.
595         * config/pa/pa.c: Likewise.
596         * config/rs6000/rs6000.c: Likewise.
598         * Makefile.in: Fix dependencies.
599         * config/rs6000/t-rs5000: Likewise.
601 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
603         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
604         * gimple.h (block_in_transaction): Check for flag_tm.
606 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
608         PR tree-optimization/52558
609         * cfg.c (alloc_aux_for_edge): Fix comment.
610         (alloc_aux_for_edge): Remove static.
611         * basic-block.h (alloc_aux_for_edge): Protoize.
612         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
613         (execute_sm_if_changed_flag): New.
614         (execute_sm_if_changed_flag_set): New.
615         (execute_sm): Do not generate data races unless requested.
616         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
617         (tree_ssa_lim_finalize): Call free_aux_for_edges.
618         * gimple.h (block_in_transaction): New.
619         (gimple_in_transaction): Use block_in_transaction.
621 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
623         PR target/51345
624         * config/avr/avr.opt (-msp8): Document it.
625         * doc/invoke.texi (AVR Options): Ditto.  And document related
626         built-in macros.
628 2012-05-31   Diego Novillo  <dnovillo@google.com>
630        * configure.ac (CXX_FOR_BUILD): Define and substitute.
631        (BUILD_CXXFLAGS): Define and substitute.
632        * Makefile.in (BUILD_CXXFLAGS): Define.
633        (CXX_FOR_BUILD): Define.
634        (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
635        (LINKER_FOR_BUILD): Likewise.
636        (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
637        (BUILD_LINKERFLAGS): Likewise.
638        * configure: Regenerate.
640 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
642         * Makefile.in: Fix many dependencies.
643         * tree-profile.c: Don't include regs.h.
644         * tree-vectorizer.c: Don't include cfglayout.h.
645         * tree-vect-stmts.c: Likewise.
646         * tree-vect-slp.c: Likewise.
647         * tree-vect-loop.c: Likewise.
648         * reg-stack.c: Likewise.
649         * tree-ssa-loop-manip.c: Likewise.
650         * toplev.c: Likewise.
651         * varasm.c: Don't include cfglayout.h, basic-block.h,
652         and tree-iterator.h.
653         * tree-cfgcleanup.c: Don't include cfglayout.h.
654         * passes.c: Don't include cfglayout.h, dwarf2asm.h,
655         dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
656         * cgraphclones.c: Don't include plugin.h.
658 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
660         * config/avr/t-avr: Correct avr-mmcu.texi dependencies.
661         (s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
662         * doc/avr-mmcu.texi (svn:eol-style): Set to native.
663         
664 2012-05-31  Richard Guenther  <rguenther@suse.de>
666         * tree-loop-distribution.c (struct partition_s): New struct,
667         typedef and vector type.
668         (partition_alloc, partition_free): New functions.
669         (generate_loops_for_partition, generate_builtin,
670         generate_code_for_partition, rdg_flag_uses, rdg_flag_vertex,
671         rdg_flag_vertex_and_dependent, rdg_flag_loop_exits,
672         build_rdg_partition_for_component, can_generate_builtin,
673         similar_memory_accesses, fuse_partitions_with_similar_memory_accesses,
674         rdg_build_partitions, dump_rdg_partitions, debug_rdg_partitions,
675         number_of_rw_in_partition, partition_contains_all_rw,
676         ldist_gen): Use partition_t instead of bitmap.
678 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
680         * config/avr/gen-avr-mmcu-texi.c: Sort MCUs. 
681         * doc/avr-mmcu.texi: Regenerate.
682         
683 2012-05-31  Richard Guenther  <rguenther@suse.de>
685         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
686         Use FOR_EACH_SSA_DEF_OPERAND.
687         (generate_builtin): Adjust.
688         (stmt_generated_in_another_partition): Remove.
689         (add_scalar_computations_to_partition): Likewise.
690         (rdg_build_partitions): Do not call
691         add_scalar_computations_to_partition.
693 2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>
695         * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
696         double ints throughout.
697         * tree-sra.c (build_user_friendly_ref_for_offset) <RECORD_TYPE>:
698         Check that the position of the field is representable as an integer.
700 2012-05-31  Richard Guenther  <rguenther@suse.de>
702         * tree-data-ref.c (dr_analyze_innermost): Properly convert
703         the MEM_REF offset to sizetype.
705 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
707         * doc/invoke.texi (AVR Options): Fix typos.
709 2012-05-31  Hans-Peter Nilsson  <hp@axis.com>
711         * config/cris/cris.h (CC1_SPEC): Pass through all -march=
712         and -mcpu= options.
713         (ASM_SPEC): Ditto, not just -march=v32, but translate non-v10,
714         non-v32 into --march=v0_v0_v10.
716 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
718         * ira-int.h (target_ira_int): Rename x_move_cost to
719         x_ira_register_move_cost, x_may_move_in_cost to
720         x_ira_may_move_in_cost and x_may_move_out_cost to
721         x_ira_may_move_out_cost.  Delete the old fields with
722         those names and also x_ira_max_register_move_cost,
723         x_ira_max_may_move_in_cost and x_ira_max_may_move_out_cost.
724         (move_cost, may_move_in_cost, may_move_out_cost)
725         (ira_max_register_move_cost, ira_max_may_move_in_cost)
726         (ira_max_may_move_out_cost): Delete.
727         * ira.c (init_move_cost): Rename to...
728         (ira_init_register_move_cost): ...this, deleting the old
729         function with that name.  Apply above variable renamings.
730         Retain asserts for null fields.
731         (ira_init_once): Don't initialize register move costs here.
732         (free_register_move_costs): Apply above variable renamings.
733         Remove code for deleted fields.
735 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
737         * ira.c (init_move_cost): Adjust choice of subclasses to match
738         the current ira_init_register_move_cost choice.  Use
739         ira_class_subset_p instead of reg_class_subset_p.
740         (ira_init_register_move_cost): Assert that move_cost,
741         may_move_in_cost and may_move_out_cost already hold the desired
742         values for their ira_* equivalents.  For the latter two,
743         ignore classes that can't store a register of the given mode.
745 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
747         * ira.c (setup_allocno_and_important_classes): Use
748         ira_class_hard_regs_num to check whether a class has any
749         allocatable registers.
750         (ira_init_register_move_cost): Likewise.
752 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
754         * ira.c (init_move_cost): Adjust local variable names to match
755         file conventions.  Use ira_assert instead of gcc_assert.
757 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
759         * regs.h (move_table, move_cost, may_move_in_cost, may_move_out_cost):
760         Move these definitions and associated target_globals fields to...
761         * ira-int.h: ...here.
762         * rtl.h (init_move_cost): Delete.
763         * reginfo.c (last_mode_for_init_move_cost, init_move_cost): Move to...
764         * ira.c: ...here, making the latter static.
766 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
768         * ira-costs.c (copy_cost): Use ira_init_register_move_cost_if_necessary
769         and ira_register_move_cost instead of init_move_cost and move_cost.
771 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
773         * ira.h (target_ira): Delete x_ira_available_class_regs.
774         (ira_available_class_regs): Delete.
775         * ira.c (setup_available_class_regs): Delete.
776         (setup_alloc_classes): Don't call it.
777         (setup_pressure_classes): Use ira_class_hard_regs_num instead of
778         ira_available_class_regs.
779         * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info)
780         (model_spill_cost): Likewise.
781         * ira-build.c (low_pressure_loop_node_p): Likewise.
782         * ira-color.c (color_pass): Likewise.
783         * ira-emit.c (change_loop): Likewise.
784         * ira-lives.c (inc_register_pressure, dec_register_pressure)
785         (single_reg_class, ira_implicitly_set_insn_hard_regs)
786         (process_bb_node_lives): Likewise.
787         * loop-invariant.c (gain_for_invariant): Likewise.
789 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
791         PR target/52999
792         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
793         (pa_section_type_flags): New.
794         (pa_legitimate_constant_p): Revert previous change.
796 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
798         * ira.c (allocate_initial_values): Make static.
800 2012-05-30  Uros Bizjak  <ubizjak@gmail.com>
802         * config/i386/i386.c (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>:
803         Generate tls_initial_exec_64_sun only when !TARGET_X32.
805 2012-05-30  Richard Guenther  <rguenther@suse.de>
807         PR middle-end/53501
808         * fold-const.c (fold_binary_loc): Make sure to call
809         fold_plusminus_mult_expr with the original sign of operands.
811 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
813         * Makefile.in: Fix many dependencies.
814         (DWARF2_H): Depend on dwarf2.def.
815         (RTL_ERROR_H): Depend on rtl-error.h.
816         (TREE_PRETTY_PRINT_H, GIMPLE_PRETTY_PRINT_H): New.  Replace
817         all gimple-pretty-print.h and tree-pretty-print.h references.
819 2012-05-30  Marc Glisse  <marc.glisse@inria.fr>
821         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
822         concatenations.
824 2012-05-30  Richard Guenther  <rguenther@suse.de>
826         PR middle-end/53522
827         * tree-emutls.c (gen_emutls_addr): Do not add globals to
828         referenced-vars.
830 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
832         * explow.c (probe_stack_range): Restore simple control flow and stop
833         again when the probe cannot be generated if HAVE_check_stack.
835 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
837         PR rtl-optimization/53519
838         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
839         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
841 2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
843         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
845 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
847         PR debug/53453
848         * doc/tm.texi: Update.
849         * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
850         * target.def (force_at_comp_dir): New hook.
851         * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
852         * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
854 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
856         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
857         Darwin >= 10.
858         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
859         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
861 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
863         PR target/51340
864         * config/sh/sh.c (sh_option_override): Set TARGET_FMAC if
865         flag_unsafe_math_optimizations is set.
866         * doc/invoke.texi (SH Options): Add -mno-fused-madd description.
867         Update description of -mfused-madd.
869 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
871         PR target/52941
872         * config/sh/predicates.md (atomic_arith_operand,
873         atomic_logical_operand): New predicates.
874         * config/sh/sh.c (sh_option_override): Check atomic options.
875         * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
876         UNSUPPORTED_HARD_ATOMIC_CPU): New macros.
877         (DRIVER_SELF_SPECS): Use UNSUPPORTED_ATOMIC_OPTIONS and
878         UNSUPPORTED_HARD_ATOMIC_CPU.
879         * config/sh/sync.md: Update description comments.
880         (I12): New mode iterator.
881         (fetchop_predicate, fetchop_constraint): New code attributes.
882         (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
883         atomic_exchangesi_hard, atomic_exchange<mode>_hard,
884         atomic_fetch_<fetchop_name>si_hard,
885         atomic_fetch_<fetchop_name><mode>_hard,
886         atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
887         atomic_<fetchop_name>_fetchsi_hard,
888         atomic_<fetchop_name>_fetch<mode>_hard,
889         atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
890         atomic_test_and_set_hard): New insns.
891         (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
892         atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
893         atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
894         atomic_test_and_set_soft): Use same formatting for the first line of
895         the asm block as in new insns above.
896         (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
897         atomic_fetch_<fetchop_name><mode>, atomic_<fetchop_name>_fetch<mode>,
898         atomic_test_and_set): Integrate new *_hard insns into expanders.
899         * config/sh/sh.opt (mhard-atomic): New option.
900         * doc/invoke.texi (SH Options): Document it.
902 2012-05-29  Meador Inge  <meadori@codesourcery.com>
904         * c-decl.c (c_push_function_context): Always create a new language
905         function.
906         (c_pop_function_context): Clear the language function created in
907         c_push_function_context.
909 2012-05-29  Matt Turner  <mattst88@gmail.com>
911         * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
912         (define_bypass "ev6_fcmov"): New.
914 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
916         * integrate.c: Remove.
917         * integrate.h: Remove.
918         * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
919         * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
920         * config/rs6000/t-rs6000: Likewise
921         * config/spu/t-spu-elf: Likewise.
922         * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
923         get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
924         from integrate.h to here.
925         (initial_value_entry): New prototype.
926         * reload.h (allocate_initial_values): Remove prototype.
927         * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
928         * cse.c (fixed_base_plus_p): Don't handle virtual registers for
929         integrate.c.
930         * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
931         set_decl_abstract_flags, set_block_abstract_flags): Move from
932         integrate.c to here, the only user.
933         * expmed.c (extract_fixed_bit_field): Remove outdated comment
934         about integrate.c.
935         * function.c: Don't include integrate.h.
936         (struct initial_value_pair, struct initial_value_struct,
937         get_hard_reg_initial_val, has_hard_reg_initial_val,
938         get_hard_reg_initial_reg, emit_initial_value_sets): Move from
939         integrate.c to here.
940         (initial_value_entry): New function.
941         * genemit.c (main): Don't print integrate.h include line.
942         * ira.c: Don't include integrate.h.
943         (allocate_initial_values): Move from integrate.c to here.
944         (ira): Update allocate_initial_values call.
945         * tree-inline.c: Don't include integrate.h.
946         (function_attribute_inlinable_p): Moved from integrate.c to here.
947         * cfgexpand.c: Don't include integrate.h.
948         * except.c: Likewise.
949         * langhooks.c: Likewise.
950         * passes.c: Likewise.
951         * toplev.c: Likewise.
952         * config/frv/frv.c: Likewise.
953         * config/pa/pa.c: Likewise.
954         * config/spu/spu.c: Likewise.
955         * config/epiphany/epiphany.c: Likewise.
956         * config/mep/mep.c: Likewise.
957         * config/score/score.c: Likewise.
958         * config/picochip/picochip.c: Likewise.
959         * config/sh/sh.c: Likewise.
960         * config/alpha/alpha.c: Likewise.
961         * config/microblaze/microblaze.c: Likewise.
962         * config/mips/mips.c: Likewise.
963         * config/v850/v850.c: Likewise.
964         * config/mmix/mmix.c: Likewise.
965         * config/bfin/bfin.c: Likewise.
966         * config/arm/arm.c: Likewise.
967         * config/s390/s390.c: Likewise.
968         * config/m32r/m32r.c: Likewise.
969         * config/rs6000/rs6000.c: Likewise.
970         * config/c6x/c6x.c: Include function.h instead of integrate.h.
971         * config/tilegx/tilegx.c: Likewise.
972         * config/tilepro/tilepro.c: Likewise.
974 2012-05-29  Georg-Johann Lay  <avr@gjlay.de>
976         * config/avr/t-avr (s-avr-mmcu-texi): Call
977         gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
979 2012-05-29  Michael Matz  <matz@suse.de>
981         * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
982         assign_temp): Remove 'keep' argument.
983         (mark_temp_addr_taken): Remove prototype.
984         * tree.h (expand_decl): Remove prototype.
985         * function.c (struct temp_slot): Remove addr_taken and keep member.
986         (assign_stack_temp_for_type) Don't initialize above, remove
987         keep argument.
988         (assign_stack_temp, assign_temp): Remove keep argument.
989         (mark_temp_addr_taken): Remove.
990         (preserve_temp_slots): Remove handling of addr_taken and keep members.
991         (free_temp_slots): Ditto.
992         * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
993         dead code.
994         * stmt.c (expand_asm_operands): Remove dead code.
995         (expand_decl): Remove.
996         * c-decl.c (finish_struct): Don't call expand_decl.
997         * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
998         and assign_stack_temp.
999         * calls.c (save_fixed_argument_area, initialize_argument_information,
1000         expand_call, emit_library_call_value_1, store_one_arg): Ditto.
1001         * expmed.c (extract_bit_field_1): Ditto.
1002         * expr.c (emit_group_load_1, emit_group_store,
1003         copy_blkmode_from_reg, emit_push_insn, expand_assignment,
1004         store_field, expand_constructor, expand_cond_expr_using_cmove,
1005         expand_expr_real_2, expand_expr_real_1): Ditto.
1006         * stmt.c (expand_asm_operands, expand_return): Ditto.
1008         * function.c (pop_temp_slots): Call free_temp_slots.
1009         * calls.c (store_one_arg): Don't call preserve_temp_slots or
1010         free_temp_slots.
1011         * expr.c (expand_assignment): Don't call free_temp_slots.
1013         * config/arm/arm.c (neon_expand_vector_init): Ditto.
1014         * config/i386/i386.c (ix86_expand_vector_set): Ditto.
1015         (ix86_expand_vector_extract): Ditto.
1016         * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
1017         ia64_expand_movxf_movrf): Ditto.
1018         * config/mips/mips.c (mips_expand_vi_general): Ditto.
1019         * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
1020         extendsfdf2): Ditto.
1021         * config/rs6000/rs6000.c (rs6000_expand_vector_init,
1022         rs6000_expand_vector_set, rs6000_expand_vector_extract,
1023         rs6000_allocate_stack_temp): Ditto.
1024         * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
1025         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
1026         sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
1027         sparc_expand_vector_init): Ditto.
1029 2012-05-29  Michael Matz  <matz@suse.de>
1031         * c-tree.h (c_expand_decl): Remove prototype.
1033         * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
1034         a kept temp.
1035         (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
1036         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
1037         COMPOUND_LITERAL_EXPR.
1038         * function.c (expand_function_start): Don't call expand_decl,
1039         instead assert that we have RTL assigned.
1040         * tree-ssa-live.c (remove_unused_locals): Clear
1041         nonlocal_goto_save_area if its backing variable is removed.
1042         * stmt.c (expand_asm_operands): Remove handling of non-lvalues
1043         as mem inputs.
1044         (expand_decl): Assert that this does nothing.
1045         * calls.c (expand_call): Don't call mark_temp_addr_taken.
1047 2012-05-29  Richard Guenther  <rguenther@suse.de>
1049         PR tree-optimization/53516
1050         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1051         bitfield accesses.
1052         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1054 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
1056         * LANGUAGES: Fix typos.
1057         * Makefile.in: Fix typos.
1058         * alias.c: Fix typos.
1059         * auto-inc-dec.c: Fix typos.
1060         * bb-reorder.c: Fix typos.
1061         * cfgcleanup.c: Fix typos.
1062         * cgraph.c: Fix typos.
1063         * cgraph.h: Fix typos.
1064         * cgraphunit.c: Fix typos.
1065         * collect2-aix.h: Fix typos.
1066         * collect2.c: Fix typos.
1067         * compare-elim.c: Fix typos.
1068         * config/alpha/vms.h: Fix typos.
1069         * config/arm/README-interworking: Fix typos.
1070         * config/arm/arm.c: Fix typos.
1071         * config/arm/iterators.md: Fix typos.
1072         * config/arm/vxworks.h: Fix typos.
1073         * config/avr/avr.c: Fix typos.
1074         * config/avr/avr.h: Fix typos.
1075         * config/avr/avr.md: Fix typos.
1076         * config/avr/builtins.def: Fix typos.
1077         * config/c6x/c6x.c: Fix typos.
1078         * config/cr16/cr16.c: Fix typos.
1079         * config/cr16/cr16.md: Fix typos.
1080         * config/cris/cris.md: Fix typos.
1081         * config/darwin.c: Fix typos.
1082         * config/darwin.opt: Fix typos.
1083         * config/i386/i386-c.c: Fix typos.
1084         * config/i386/i386.c: Fix typos.
1085         * config/ia64/ia64.c: Fix typos.
1086         * config/m68k/cf.md: Fix typos.
1087         * config/mep/mep.c: Fix typos.
1088         * config/microblaze/microblaze.c: Fix typos.
1089         * config/microblaze/microblaze.h: Fix typos.
1090         * config/mn10300/mn10300.c: Fix typos.
1091         * config/mn10300/mn10300.md: Fix typos.
1092         * config/pa/pa.c: Fix typos.
1093         * config/picochip/picochip.h: Fix typos.
1094         * config/rs6000/a2.md: Fix typos.
1095         * config/rs6000/rs6000.c: Fix typos.
1096         * config/rs6000/vector.md: Fix typos.
1097         * config/rx/rx.md: Fix typos.
1098         * config/rx/rx.opt: Fix typos.
1099         * config/s390/2097.md: Fix typos.
1100         * config/s390/s390.c: Fix typos.
1101         * config/s390/s390.h: Fix typos.
1102         * config/sh/sh.c: Fix typos.
1103         * config/sh/sh.md: Fix typos.
1104         * config/sparc/sync.md: Fix typos.
1105         * config/spu/spu.c: Fix typos.
1106         * config/spu/spu.md: Fix typos.
1107         * config/vms/vms.c: Fix typos.
1108         * config/vxworks-dummy.h: Fix typos.
1109         * config/vxworks.h: Fix typos.
1110         * cselib.c: Fix typos.
1111         * df-scan.c: Fix typos.
1112         * df.h: Fix typos.
1113         * doc/extend.texi: Fix typos.
1114         * doc/install.texi: Fix typos.
1115         * doc/invoke.texi: Fix typos.
1116         * doc/md.texi: Fix typos.
1117         * doc/plugins.texi: Fix typos.
1118         * doc/rtl.texi: Fix typos.
1119         * dse.c: Fix typos.
1120         * dwarf2asm.c: Fix typos.
1121         * dwarf2out.c: Fix typos.
1122         * except.h: Fix typos.
1123         * expr.c: Fix typos.
1124         * fold-const.c: Fix typos.
1125         * gcc.c: Fix typos.
1126         * gcse.c: Fix typos.
1127         * genautomata.c: Fix typos.
1128         * gengtype-state.c: Fix typos.
1129         * gengtype.c: Fix typos.
1130         * genhooks.c: Fix typos.
1131         * gimple-fold.c: Fix typos.
1132         * gimple-pretty-print.c: Fix typos.
1133         * gimple.c: Fix typos.
1134         * gimple.h: Fix typos.
1135         * gimplify.c: Fix typos.
1136         * graphite-interchange.c: Fix typos.
1137         * graphite-sese-to-poly.c: Fix typos.
1138         * ifcvt.c: Fix typos.
1139         * input.c: Fix typos.
1140         * ipa-cp.c: Fix typos.
1141         * ipa-inline-analysis.c: Fix typos.
1142         * ipa-inline-transform.c: Fix typos.
1143         * ipa-inline.c: Fix typos.
1144         * ipa-pure-const.c: Fix typos.
1145         * ipa-ref.h: Fix typos.
1146         * ipa-reference.c: Fix typos.
1147         * ipa-utils.c: Fix typos.
1148         * ipa.c: Fix typos.
1149         * ira-emit.c: Fix typos.
1150         * ira-lives.c: Fix typos.
1151         * lto-streamer.c: Fix typos.
1152         * lto-streamer.h: Fix typos.
1153         * lto-wrapper.c: Fix typos.
1154         * mcf.c: Fix typos.
1155         * mode-switching.c: Fix typos.
1156         * modulo-sched.c: Fix typos.
1157         * plugin.c: Fix typos.
1158         * postreload.c: Fix typos.
1159         * sched-deps.c: Fix typos.
1160         * sel-sched-ir.c: Fix typos.
1161         * sel-sched-ir.h: Fix typos.
1162         * sel-sched.c: Fix typos.
1163         * sese.c: Fix typos.
1164         * stor-layout.c: Fix typos.
1165         * target-hooks-macros.h: Fix typos.
1166         * target.def: Fix typos.
1167         * trans-mem.c: Fix typos.
1168         * tree-eh.c: Fix typos.
1169         * tree-predcom.c: Fix typos.
1170         * tree-sra.c: Fix typos.
1171         * tree-ssa-address.c: Fix typos.
1172         * tree-ssa-loop-ivopts.c: Fix typos.
1173         * tree-ssa-loop-niter.c: Fix typos.
1174         * tree-ssa-math-opts.c: Fix typos.
1175         * tree-ssa-pre.c: Fix typos.
1176         * tree-ssa-propagate.c: Fix typos.
1177         * tree-ssa-reassoc.c: Fix typos.
1178         * tree-ssa-sccvn.c: Fix typos.
1179         * tree-ssa-ter.c: Fix typos.
1180         * tree-ssa-uninit.c: Fix typos.
1181         * tree-ssanames.c: Fix typos.
1182         * tree-vect-generic.c: Fix typos.
1183         * tree-vect-slp.c: Fix typos.
1184         * tree.c: Fix typos.
1185         * tree.h: Fix typos.
1186         * varasm.c: Fix typos.
1187         * varpool.c: Fix typos.
1189 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
1191         * doc/include/texinfo.tex: Update to version 2012-05-16.16.
1193 2012-05-29  Richard Guenther  <rguenther@suse.de>
1195         * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
1196         for globals.
1197         (add_referenced_var_1): Re-organize.  Assert we are not
1198         called for globals.
1199         (remove_referenced_var): Likewise.
1200         * varpool.c (add_new_static_var): Use create_tmp_var_raw.
1201         * tree-mudflap.c (execute_mudflap_function_ops): Do not
1202         call add_referenced_var on globals.
1203         * matrix-reorg.c (transform_access_sites): Likewise.
1205 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
1207         * alias.c (reg_known_value): Make this a VEC.
1208         (reg_known_equiv_p): Make this an sbitmap.
1209         (reg_known_value_size): Remove.
1210         (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
1211         set_reg_known_equiv_p): Update for reg_known_value and
1212         reg_known_value_size data structure change.
1213         (init_alias_analysis, end_alias_analysis): Likewise.
1215 2012-05-29  Jakub Jelinek  <jakub@redhat.com>
1217         PR middle-end/53510
1218         * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
1219         to avoid leaking memory.  No need to handle memory allocation
1220         failure.  Double string_len on each reallocation instead of adding 2.
1221         * gcov.c (read_line): Likewise.
1223 2012-05-29  Hans-Peter Nilsson  <hp@axis.com>
1225         * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
1226         New macros.
1227         * config/cris/cris.md ("trap"): Define, enabled for
1228         TARGET_TRAP_USING_BREAK8.
1229         * config/cris/cris.opt (mtrap-using-break8): New option.
1231 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
1233         PR c++/25137
1234         * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
1235         for C++.
1237 2012-05-28  Hans-Peter Nilsson  <hp@axis.com>
1239         * doc/md.texi (stack_protect_test): Remove negation of branch to label.
1240         (Standard Names): Fix typos in documentation of atomic patterns.
1242 2012-05-27  Nathan Sidwell  <nathan@acm.org>
1244         * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
1246 2012-05-26  Jason Merrill  <jason@redhat.com>
1248         PR c++/53220
1249         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1250         about array compound literals.
1252 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1254         * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
1255         if CLEANUP_NO_INSN_DEL.
1256         * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
1257         from cfg_layout_merge_blocks.
1258         (emit_nop_for_unique_locus_between): New function.
1259         (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
1260         (cfg_layout_merge_blocks): Likewise.
1262 2012-05-26  Dimitrios Apostolou  <jimis@gmx.net>
1263             Paolo Bonzini  <bonzini@gnu.org>
1265         * df-scan.c (df_def_record_1): Assert a parallel must contain an
1266         EXPR_LIST at this point.  Receive the LOC and move its extraction...
1267         (df_defs_record): ... here. Change if-else to a switch statement.
1268         (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
1269         (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
1270         and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
1271         DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
1272         regs_invalidated_by_call.
1273         (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
1274         df_get_call_refs().
1276 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1278         PR lto/52178
1279         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1280         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1282 2012-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
1284         * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
1285         software floating point emulation.  No longer build the multilibs
1286         with -mstrict-align.
1288 2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1290         PR middle-end/53008
1291         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1292         accessed indirectly.
1293         (ipa_tm_create_version): Same.
1295 2012-05-25  Uros Bizjak  <ubizjak@gmail.com>
1297         PR target/53474
1298         * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
1299         <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
1301 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1303         PR target/53435
1304         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1305         (ix86_expand_vec_perm): Use int mode instead of float.
1306         (expand_vec_perm_pshufb): Remove handling of useseless type
1307         conversion.
1309 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1311         PR ada/52362
1312         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1313         gnu_ld variables to yes.
1314         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1315         (HAVE_GNU_AS): Likewise.
1316         * config.in: Regenerate.
1317         * configure: Likewise.
1319 2012-05-25  Tristan Gingold  <gingold@adacore.com>
1321         * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
1322         (ix86_compute_frame_layout): Fix type of stack_alignment_needed
1323         and preferred_alignment.
1325 2012-05-25  Tristan Gingold  <gingold@adacore.com>
1327         * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
1329 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
1331         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
1332         volatile bitfields case.
1334 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
1336         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1337         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1338         (adjacent_mem_locations): Move some code to and call...
1339         (get_memref_parts): ...new function.
1340         (mem_locations_overlap): New function.
1341         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1342         (is_mem_ref): Rename to...
1343         (find_mem_ref): ...this. Return MEM rtx.
1344         (get_store_dest): Remove function.
1345         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1346         new parameter and adjust calls.
1347         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1348         mem refs overlap for true_store_to_load_dep_costly.
1349         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1350         passed to adjacent_mem_locations.
1351         (is_costly_group): Walk resolved dependency list.
1352         (force_new_group): Emit group ending nop for Power6/Power7.
1353         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1354         (group_ending_nop): New define_insn.
1356 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
1358         Make unwound macro expansion trace less redundant
1359         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
1360         context of macro definition in the trace, when it's redundant.
1361         Update comments.
1363 2012-05-24  Richard Guenther  <rguenther@suse.de>
1365         PR middle-end/53460
1366         * tree-profile.c (tree_profiling): Cleanup the CFG if
1367         execute_fixup_cfg requests it.
1369 2012-05-24  Richard Guenther  <rguenther@suse.de>
1371         * tree-flow.h (create_var_ann): Remove.
1372         * tree-dfa.c (create_var_ann): Remove and inline into its
1373         single caller ...
1374         (add_referenced_var_1): ... here.
1375         * varpool.c (add_new_static_var): Do not call add_referenced_var
1376         for global vars.
1377         * gimple-fold.c (canonicalize_constructor_val): Likewise.
1378         * tree-switch-conversion.c (build_one_array): Likewise.
1379         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
1380         * tree-flow-inline.h (gimple_referenced_vars): Guard against
1381         NULL fn argument.
1382         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
1383         gimple_referenced_vars instead of gimple_in_ssa_p.
1384         (copy_tree_body_r): Likewise.
1385         (setup_one_parameter): Likewise.
1386         (declare_return_variable): Likewise.
1387         (tree_function_versioning): Likewise.
1389 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1391         PR tree-optimization/53465
1392         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1393         vr0 into *vr, then vrp_meet that.
1394         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1395         have any equivalences.
1396         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1397         first time.
1399 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
1401         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
1402         hard registers.
1403         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
1404         check end_regno - 1 is a hard register.
1406 2012-05-24  Richard Guenther  <rguenther@suse.de>
1408         * varpool.c (add_new_static_var): Remove call to create_var_ann.
1409         * tree-ssa-operands.c (create_vop_var): Likewise.
1411 2012-05-24  Richard Guenther  <rguenther@suse.de>
1413         PR bootstrap/53466
1414         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
1415         handle globals.
1416         (remove_unused_locals): Pass global_unused_vars to
1417         remove_unused_scope_block_p.  Restore code walking all
1418         referenced vars and pruning them.
1420 2012-05-23  Jan Hubicka  <jh@suse.cz>
1422         * tree.h (alias_diag_flags): Remove.
1423         (alias_pair): Remove emitted_diags.
1424         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
1425         symbol_alias_set_t, symbol_alias_set_destroy,
1426         symbol_alias_set_contains, propagate_aliases_backward): Remove.
1427         * toplev.c (compile_file): Do not call finish_aliases_2
1428         * cgraphunit.c (cgraph_process_new_functions): Do not call
1429         finish_aliases_1.
1430         (handle_alias_pairs): Output diagnostics about aliases to externals.
1431         (assemble_thunks_and_aliases): Use do_assemble_alias.
1432         (output_weakrefs): Likewise.
1433         (finalize_compilation_unit): Do not call finish_aliases_1.
1434         * ipa.c (symtab_remove_unreachable_nodes): De not call
1435         remove_unreachable_alias_pairs.
1436         * varasm.c (do_assemble_alias): Export.
1437         (symbol_alias_set_create, symbol_alias_set_destroy,
1438         symbol_alias_set_contains, symbol_alias_set_insert,
1439         propagate_aliases_forward, propagate_aliases_backward,
1440         propagate_aliases_backward, trivially_visible_alias,
1441         trivially_defined_alias, remove_unreachable_alias_pairs,
1442         finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
1443         * output.h (do_assemble_alias): Declare.
1444         * varpool.c (varpool_remove_unreferenced_decls): Do not call
1445         finish_aliases_1.
1447 2012-05-23  Martin Jambor  <mjambor@suse.cz>
1449         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1451 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1453         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1454         size handling.
1455         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1456         (iterative_hash_gimple_type): Adjust comment.
1457         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1458         domain for an array type instead of the domain type itself.
1460 2012-05-23  Richard Guenther  <rguenther@suse.de>
1462         PR tree-optimization/53438
1463         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1465 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1467         PR target/53448
1468         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1469         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1470         ASM_OUTPUT_ALIGN.
1472 2012-05-23  Richard Guenther  <rguenther@suse.de>
1474         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
1475         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
1476         via the global_unused_vars bitmap.
1477         (remove_unused_locals): Handle global vars in local-decls via
1478         a global_unused_vars bitmap instead of the used flag in the
1479         var annotation.  Simplify global variable handling and removal.
1481 2012-05-22  Jan Hubicka  <jh@suse.cz>
1483         PR middle-end/53426
1484         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
1485         from other partitions.
1487 2012-05-22  Jan Hubicka  <jh@suse.cz>
1489         PR middle-end/53161
1490         * symtab.c (symtab_register_node): Fix ordering issue.
1492 2012-05-22  Steven Drake <sbd@NetBSD.org>
1494         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
1496 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
1498         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
1499         Use strip_name_encoding target hook.
1501 2012-05-22  Richard Guenther  <rguenther@suse.de>
1503         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
1504         (init_function_for_compilation): Remove.
1505         * tree-dfa.c (find_vars_r): Take struct function argument.
1506         (find_referenced_vars_in): Adjust.
1507         * tree-ssa-operands.c (clobber_stats): Remove.
1508         (create_vop_var): Take struct function argument.  Mark
1509         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
1510         (init_ssa_operands): Take struct function argument.
1511         (fini_ssa_operands): Do not dump dead stats.
1512         * tree-ssa-operands.h (init_ssa_operands): Take struct function
1513         argument.
1514         * cgraphunit.c (init_lowered_empty_function): Adjust.
1515         * lto-streamer-in.c (input_cfg): Likewise.
1516         * tree-inline.c (initialize_cfun): Likewise.
1517         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
1518         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching cfun.
1519         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
1520         virtual operands are not registers.
1522 2012-05-22  Richard Guenther  <rguenther@suse.de>
1524         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
1526 2012-05-22  Richard Guenther  <rguenther@suse.de>
1528         PR middle-end/53437
1529         * tree-inline.c (setup_one_parameter): Create a dummy init
1530         statement for unused parameters when not optimizing.
1532 2012-05-22  Richard Guenther  <rguenther@suse.de>
1534         * tree-flow.h (add_referenced_var_1): Declare.
1535         (add_referenced_var): Define.
1536         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
1537         (add_referenced_var): Rename to ...
1538         (add_referenced_var_1): ... this.  Take struct function argument.
1540 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1542         PR target/53334
1543         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
1544         * config/arm/arm.c (arm_validize_comparison): Define.
1545         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
1546         arm_validize_comparison.
1547         ("cbranchdi4"): Likewise.
1548         ("cstoredi4"): Likewise.
1549         ("movsicc"): Likewise.
1550         ("movsfcc"): Likewise.
1551         ("movdfcc"): Likewise.
1553 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
1555         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
1556         the mw_reg_pool size.
1558 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
1560         PR tree-optimization/53336
1561         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
1562         non-integer integral types to offset type and vice versa.
1564 2012-05-22  Alan Modra  <amodra@gmail.com>
1566         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
1567         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
1568         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
1569         V_SAVE_INLINE): Delete.
1570         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
1571         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
1572         For ELF targets, use out-of-line restores for -Os and any number
1573         of regs if the restore exits, and out-of-line gp save for two or
1574         more regs.  Use save_reg_p to test for holes in reg restore set.
1575         Replace "#if" with "if".
1577 2012-05-22  Alan Modra  <amodra@gmail.com>
1579         * config/rs6000/rs6000.c (save_reg_p): New function.
1580         (first_reg_to_save, first_fp_reg_to_save): Use it here.
1581         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
1582         (emit_frame_save): Use gen_frame_store.
1583         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
1584         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
1585         vrsave and toc.
1586         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
1587         vrsave, toc, gp and fp restores.
1589 2012-05-22  Alan Modra  <amodra@gmail.com>
1591         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
1592         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
1593         Move function pointer variables after forward declarations.
1594         (rs6000_builtin_support_vector_misalignment): Make static.
1595         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
1596         (rs6000_function_value, rs6000_can_eliminate): Likewise.
1598 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
1600         PR rtl-optimization/53373
1601         * caller-save.c (save_call_clobbered_regs): Look into a possible
1602         PARALLEL manually rather than using single_set on a call insn.
1604 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1606         PR tree-optimization/53436
1607         * omp-low.c (omp_build_component_ref): New function.
1608         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1610 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
1612         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
1613         arguments to bool.
1614         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
1615         Do not print '.' here.  Output operand lossage error for unhandled
1616         sizes.  Move.
1617         <case '*'>: Move.
1618         <case '&'>: Ditto.
1619         <case 'Y'>: Ditto.
1620         <case 'z'>: Hardcode "code" argument into error strings.
1621         <case 'Z'>: Ditto.
1622         <case 'D'>: Merge AVX and non-AVX codes.
1623         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
1624         Update call to put_condition_code.
1626 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
1628         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
1629         CC_STATUS_INIT.
1630         (clzsi2): New expander.
1631         (*clzsi2_68k): New insn.
1632         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
1634 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1636         * gimple.h (gimple_set_in_transaction): Remove.
1637         (gimple_in_transaction): Look in BB instead.
1638         (gimple_statement_base): Remove in_transaction field.
1639         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1640         * trans-mem.c (compute_transaction_bits): Place transaction bit
1641         information into basic blocks.
1643 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
1645         * expr.c (get_def_for_expr_class): Define only if
1646         HAVE_conditional_move.
1647         (convert_tree_comp_to_rtx): Likewise.
1649 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
1651         PR target/53399
1652         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
1653         for TARGET_BMI.
1654         (ffssi2_no_cmove): Ditto.
1655         (*ffs<mode>_1): Remove insn pattern.
1656         (*tzcnt<mode>_1): New insn pattern.
1657         (*bsf<mode>1): Ditto.
1659 2012-05-21  Richard Guenther  <rguenther@suse.de>
1661         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
1662         more referenced vars.
1663         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
1664         flag on variables that have a var-annotation.
1666 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1668         PR c/53418
1669         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1670         from folded operands before wrapping another around the
1671         conditional expression.
1673 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1675         PR tree-optimization/53366
1676         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1677         tests if complex_numbers == 2, but there are non-complex number loads
1678         too.
1680         PR tree-optimization/53409
1681         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1682         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1684         PR tree-optimization/53410
1685         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1686         instead of build_int_cst (type, 0) where vector types might be
1687         involved. Instead of build_int_cst (type, 1) convert the original
1688         integer_onep argument to the desired type.
1690 2012-05-21  Michael Matz  <matz@suse.de>
1692         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
1693         (simplify_test_exp): Handle one more case of distributive law,
1694         decrease cost threshold.
1695         (tests_attr_p, get_attr_order): New functions.
1696         (optimize_attrs): Use topological order, inline only cheap values.
1697         (write_attr_set): Reset our_known_true after some time.
1699 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1701         PR target/53425
1702         * config/i386/i386.c (type_natural_mode): Warn passing SSE
1703         vector argument without SSE enabled changes the ABI.
1705 2012-05-21  Richard Guenther  <rguenther@suse.de>
1707         PR tree-optimization/53408
1708         * tree-vect-loop.c (vectorizable_induction): Properly check
1709         the restriction that we cannot handle induction results from
1710         the inner loop outside of the outer loop.
1712 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1714         PR target/53416
1715         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1716         (UNSPECV_RDRAND): This.
1717         (rdrand<mode>_1): Updated.
1719 2012-05-21  Richard Guenther  <rguenther@suse.de>
1721         * tree-loop-distribution.c (can_generate_builtin): Reject
1722         volatile stmts.
1724 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
1726         * Makefile.in (options.c): Add options.h to included header
1727         files, before tm.h.
1729 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
1731         * tree-parloops.c : Add myself to contributors, update
1732         TODO list, add link to wiki.
1734 2012-05-21  Alan Modra  <amodra@gmail.com>
1736         * config/rs6000/predicates.md (input_operand): Don't match
1737         constant pool addresses.  Remove label_ref, high and plus from
1738         match_code list.  Remove redundant CONSTANT_P test.
1739         (splat_input_operand): Similarly update match_code list.
1740         (small_toc_ref): New predicate.
1741         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
1742         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
1743         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
1744         register checks to..
1745         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
1746         generated by create_TOC_reference.
1747         (rs6000_legitimize_address): Update cerate_TOC_reference call.
1748         (rs6000_delegitimize_address): Handle new rtl for toc refs.
1749         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
1750         (use_toc_relative_ref): New function, split out from..
1751         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
1752         create_TOC_reference calls.
1753         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
1754         of medium/large model toc addresses.  Use use_toc_relative_ref.
1755         (print_operand): Formatting, style.  Adjust for toc changes.
1756         (print_operand_address): Likewise.
1757         (rs6000_output_addr_const_extra): Likewise.
1758         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
1759         than a PLUS.  Use this formulation for both high and low part
1760         of -mcmodel=medium/large toc reference too.  Before reload,
1761         always use the small model formulation.
1762         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
1763         a PLUS in high part of addresses here.
1764         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
1765         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
1766         (largetoc_high, largetoc_low): Move earlier.  Cope when no
1767         base reg available.
1768         (largetoc_high_plus): New insn.
1769         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
1770         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
1771         (tocref): ..instead do so here, new insn and split.
1773 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1775         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1776         RDRND, F16C and FSGSBASE.
1778 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1780         PR rtl-optimzation/53373
1781         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
1782         call pattern.  Update split patterns.
1783         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
1784         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
1786 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
1788         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
1789         for outer loops.
1791 2012-05-18  Jan Hubicka  <jh@suse.cz>
1793         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
1794         (cgraph_process_new_functions): Process also aliases.
1795         * lto-streamer-out.c (struct sets): Remove.
1796         (trivally_defined_alias): Remove.
1797         (output_alias_pair_p): Remove.
1798         (output_unreferenced_globals): Remove.
1799         (produce_symtab); Do not handle alias pairs.
1800         (produce_asm_for_decls): Likewise.
1801         * lto-streamer-in.c (input_alias_pairs): Remove.
1802         (lto_read_body): Do not input alias pairs.
1803         (lto_input_constructors_and_inits): Remove.
1805 2012-05-18  Jan Hubicka  <jh@suse.cz>
1807         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
1808         aliases.
1810 2012-05-18  Jan Hubicka  <jh@suse.cz>
1812         * cgraphbuild.c (record_reference): Update.
1813         * lto-cgraph.c (lto_output_varpool_node): External vars
1814         are not in other partition even if they are not output
1815         in current partition.
1816         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
1817         argument; fix.
1818         (canonicalize_constructor_val): Take FROM_DECL argument.
1819         (fold_ctor_reference, fold_string_cst_ctor_reference,
1820         fold_array_ctor_reference, fold_nonarray_ctor_reference,
1821         fold_ctor_reference): Likewise.
1822         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
1823         * gimple.h (gimple_fold_builtin): Likewise.
1825 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1827         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1828         $(libsubdir) as libexecsubdir.
1830 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1832         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1833         relied on signed overflow behavior.
1835 2012-05-18  Richard Guenther  <rguenther@suse.de>
1837         PR tree-optimization/53346
1838         * tree-loop-distribution.c (ldist_gen): Make sure to apply
1839         builtin transform even when only a single partition with
1840         all reads/writes exists.
1842 2012-05-18  Richard Guenther  <rguenther@suse.de>
1844         PR tree-optimization/53390
1845         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
1846         strided loads.
1848 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1850         * tree-ssa-reassoc.c (bip_map): Remove decl.
1851         (completely_remove_stmt): Remove function.
1852         (remove_def_if_absorbed_call): Remove function.
1853         (remove_visited_stmt_chain): Remove __builtin_powi handling.
1854         (possibly_move_powi): Remove function.
1855         (rewrite_expr_tree): Remove calls to possibly_move_powi.
1856         (rewrite_expr_tree_parallel): Likewise.
1857         (attempt_builtin_powi): Build multiplies explicitly rather than
1858         relying on the ops vector and rank system.
1859         (transform_stmt_to_copy): New function.
1860         (transform_stmt_to_multiply): Likewise.
1861         (reassociate_bb): Handle leftover operations after __builtin_powi
1862         optimization; build a final multiply if necessary.
1864 2012-05-18  Jan Hubicka  <jh@suse.cz>
1866         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
1867         (mark_functions_to_output): Fix sanity check.
1868         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
1870 2012-05-18  Richard Guenther  <rguenther@suse.de>
1872         * tree-flow.h (mark_symbols_for_renaming): Remove.
1873         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
1874         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
1875         (copy_debug_stmt): Likewise.
1876         (expand_call_inline): Likewise.
1877         (declare_return_variable): Mark the return variable for renaming
1878         if necessary.
1880 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
1882         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
1883         prototype.
1884         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
1885         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
1886         (ashrdi3,lshrdi3): Likewise.
1887         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
1889 2012-05-18  Meador Inge  <meadori@codesourcery.com>
1891         PR rtl-optimization/53352
1892         * cse.c (equiv_constant): Ignore paradoxical subregs.
1894 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
1896         PR rtl-optimization/53125
1897         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
1898         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
1899         die in the basic block.  Correctly top off REG_FREQ and
1900         REG_FREQ_CALLS_CROSSED.
1901         Remove do_not_gen.
1902         (regstat_compute_ri): Allocate and free local_live_last_luid.
1903         Remove do_not_gen.
1904         (regstat_bb_compute_calls_crossed): Correctly top off
1905         REG_FREQ_CALLS_CROSSED.
1907 2012-05-17  Jan Hubicka  <jh@suse.cz>
1909         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
1910         constructor over decl without.
1911         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
1912         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
1913         * cgraphunit.c (process_function_and_variable_attributes): Finalize
1914         extrnal decls.
1915         (mark_functions_to_output): Also accept bodies for functions with
1916         clones.
1917         (output_in_order): Skip external vars.
1918         * lto-cgraph.c (lto_output_node): External functions are never in other
1919         partition.
1920         (lto_output_varpool_node): Likewise.
1921         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
1922         forgotten initializers.
1923         * ipa.c (process_references): Handle external vars.
1924         (symtab_remove_unreachable_nodes): Update to handle external vars.
1925         (varpool_externally_visible_p): External vars are externally visible.
1926         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
1927         * varpool.c (varpool_remove_node): Remove constructor.
1928         (decide_is_variable_needed): Handle externals.
1929         (varpool_remove_unreferenced_decls): Likewise.
1931 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1933         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
1934         (enable_warning_as_error): Do not special case Wuninitialized.
1935         * optc-gen.awk: Add sanity checks.
1937 2012-05-17  Jan Hubicka   <jh@suse.cz>
1939         * ipa-reference.c (is_proper_for_analysis): Do not check flags
1940         that might change as result of global optimization.
1941         (analyze_function): Do not check analyzed and externally_visible
1942         flags; be happy about address dereferences.
1943         (propagate): Prune all_module_statics so it really contains just
1944         statics; prune all the local summaries.
1945         (ipa_reference_write_optimization_summary): Simplify.
1947 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
1949         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
1950         * config/m68k/m68k-tables.opt: Regenerated.
1951         * doc/invoke.texi (M680x0 Options): Document.
1953 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
1954             Patrick Marlier  <patrick.marlier@gmail.com>
1956         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1957         indirect calls.
1959 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
1961         * configure: Regenerated.
1963 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1965         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1966         GIMPLE_ASSIGN.
1968 2012-05-16  David S. Miller  <davem@davemloft.net>
1970         * jump.c (delete_related_insns): If we remove a CALL, make sure
1971         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1973 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1975         PR tree-optimization/53217
1976         * tree-ssa-reassoc.c (bip_map): New static variable.
1977         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
1978         (attempt_builtin_powi): Save feeding multiplies on a stack.
1979         (reassociate_bb): Create and destroy bip_map.
1981 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1983         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1984         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1985         Add comments and improve stamp preservation across the whole sequence.
1986         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1988 2012-05-16  Richard Guenther  <rguenther@suse.de>
1990         * tree-inline.c (insert_init_stmt): Do not call
1991         mark_symbols_for_renaming.
1992         (setup_one_parameter): Avoid initializing unused parameters.
1993         (declare_return_variable): Properly handle DECL_BY_REFERENCE
1994         return vars in SSA form.
1996 2012-05-16  Richard Guenther  <rguenther@suse.de>
1998         * tree-flow.h (get_virtual_var): Remove.
1999         * tree-dfa.c (get_virtual_var): Likewise.
2001 2012-05-16  Richard Guenther  <rguenther@suse.de>
2003         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
2004         Remove set-only bitmap of new names.
2005         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
2006         CFG hooks.
2007         * tree-flow.h (ssa_names_to_replace): Remove.
2008         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
2010 2012-05-16  Richard Guenther  <rguenther@suse.de>
2012         PR tree-optimization/53364
2013         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
2014         detect a view-conversion of the decl.
2016 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
2018         PR preprocessor/7263
2019         * c-tree.h (enum c_declspec_word): Declare new enum.
2020         (struct c_declspecs::locations): New member.
2021         (declspecs_add_qual, declspecs_add_scspec)
2022         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
2023         location parameter.
2024         * c-decl.c (build_null_declspecs): Initialize the new struct
2025         c_declspecs::locations member.
2026         (declspecs_add_addrspace): Take a location parameter for the
2027         address space.  Store it onto declaration specifiers.
2028         (declspecs_add_qual): Likewise, take a location parameter for the
2029         qualifier.
2030         (declspecs_add_type): Likewise, take a location parameter for the
2031         type specifier.
2032         (declspecs_add_scspec): Likewise, take a location parameter for
2033         the storage class specifier.
2034         (declspecs_add_attrs): Likewise, take a location parameter for the
2035         first attribute.
2036         (declspecs_add_alignas): Likewise, take a location parameter for
2037         the alignas token.
2038         (finish_declspecs): For diagnostics, use the location of the
2039         relevant declspec, instead of the global input_location.
2040         * c-parser.c (c_parser_parameter_declaration): Pass the precise
2041         virtual location of the declspec to the declspecs-setters.
2042         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
2043         repeatedly.
2045 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
2047         * configure.ac: Stack protector enabling for Android targets.
2048         * configure: Regenerate.
2050 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
2052         * ira.c (pseudo_move_insn): Delete.
2053         (find_moveable_pseudos): Don't set it.
2054         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
2055         the definitions of the original pseudo.  Delete all of them.
2057 2012-05-16  Olivier Hainque  <hainque@adacore.com>
2059         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2060         PROCESSOR_PPC8548.
2061         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
2062         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
2063         * config/rs6000/8540.md: indicate that the units/patterns apply to
2064         ppc8548 as well.
2066         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
2067         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
2068         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
2069         related flags,  check that what is queried is supported by the selected
2070         configuration. Rework the single/double_float and MASK_STRING resets to
2071         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
2072         costs for PROCESSOR_PPC8548 as well.
2073         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
2074         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
2075         statement instead of a sequence of ifs.
2077         * config/rs6000/rs6000.h (TARGET_E500): Remove.
2078         (TARGET_NO_LWSYNC): Adjust accordingly.
2079         * config/rs6000/e500.h (TARGET_E500): Remove.
2080         (CHECK_E500_OPTIONS): Adjust accordingly.
2081         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
2082         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
2083         * config/rs6000/linuxspe.h: Likewise.
2084         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
2085         superfluous comments.
2086         * config/rs6000/e500-double.h: Remove.
2088         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
2089         default to with_cpu=8548 if --enable-e500-double, and to 8540
2090         otherwise.
2091         (set misc flags section): For powerpc*|rs6000*, remove inclusion
2092         of e500-double.h for --enable-e500-double.
2094 2012-05-16  Olivier Hainque  <hainque@adacore.com>
2096         * Makefile.in (s-header-vars): Resort to -n instead of trailing
2097         -e d in sed invocation.
2099 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
2101         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
2102         source-code.
2103         * doc/tm.texi: Regenerate.
2105 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
2107         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
2109 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
2111         PR target/53358
2112         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
2113         that operands[2] is either immediate, or q_regs_operand.
2115 2012-05-15  Richard Guenther  <rguenther@suse.de>
2117         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
2118         (assemble_thunk): Likewise.  Manually rename and register
2119         function arguments.
2121 2012-05-15  Richard Guenther  <rguenther@suse.de>
2123         PR tree-optimization/53355
2124         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
2125         by constants.
2127 2012-05-15  Tristan Gingold  <gingold@adacore.com>
2129         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
2131 2012-05-15  Richard Guenther  <rguenther@suse.de>
2133         * gimple.c (gimple_set_modified): Move ...
2134         * gimple.h (gimple_set_modified): ... here.
2136 2012-05-15  Tristan Gingold  <gingold@adacore.com>
2138         * ira-color.c (move_spill_restore): Add a guard.
2140 2012-05-15  Tristan Gingold  <gingold@adacore.com>
2142         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
2143         plus_constant.
2145 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
2147         * gimplify.c (gimplify_init_constructor): Do a block move for very
2148         small objects as well.
2150 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
2152         * ira.c (find_moveable_pseudos): Skip registers whose
2153         DF_REG_EQ_USE_COUNT is nonzero.
2155 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2157         * doc/md.texi (fma): Define to only be applicable for single rounding.
2159 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
2161         PR target/46098
2162         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
2163         generate target register for "load" class builtins.
2165         Revert:
2166         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
2168         PR target/46098
2169         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
2170         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
2171         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
2172         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
2173         (<sse>_movu<ssemodesuffix>): New expander.
2174         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
2175         (avx_movdqu<avxmodesuffix>): New expander.
2176         (*sse2_movdqu): Rename from sse2_movdqu.
2177         (sse2_movdqu): New expander.
2179 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
2181         PR target/52607
2182         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
2183         (canonicalize_perm): ... new function.
2184         (expand_vec_perm_2vperm2f128_vshuf): New function.
2185         (ix86_expand_vec_perm_const_1): Call it.
2187 2012-05-14  Andrew Pinski  <apinski@cavium.com>
2188             H.J. Lu  <hongjiu.lu@intel.com>
2189             Jakub Jelinek  <jakub@redhat.com>
2191         PR target/53315
2192         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
2193         (xbegin): Updated.
2195 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
2197         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
2198         lineno 1 the same as lineno 0 before first start file directive.
2199         (optimize_macinfo_range): Likewise.
2201         * dwarf2out.c (have_macinfo): Define.
2202         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
2203         attribute, don't force empty compilation unit and don't emit any
2204         .debug_macinfo/.debug_macro section if macinfo_table is empty.
2206 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
2208         PR target/53344
2209         * config/avr/avr.c (avr_const_address_lo16): Remove.
2210         (avr_assemble_integer):  Print ".byte lo8(x)",
2211         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
2212         .warning if 3-byte address is assembled.
2213         * doc/extend.texi (AVR Named Address Spaces): Document that
2214         binutils 2.23 is needed to assemble 3-byte addresses.
2216 2012-05-14  Richard Guenther  <rguenther@suse.de>
2218         * tree-vect-data-refs.c (vect_setup_realignment): Remove
2219         call to mark_symbols_for_renaming.
2220         (vect_permute_load_chain): Likewise.
2221         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
2222         instead of calling mark_symbols_for_renaming.
2223         * tree-vect-stmts.c (read_vector_array): Remove call to
2224         mark_symbols_for_renaming.
2225         (write_vector_array): Likewise.
2226         (vectorizable_call): Likewise.
2227         (vectorizable_store): Likewise.
2228         (vectorizable_load): Likewise.
2229         * matrix-reorg.c (transform_allocation_sites): Likewise.
2230         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2231         (create_expression_by_pieces): Likewise.
2233 2012-05-14  Richard Guenther  <rguenther@suse.de>
2235         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
2236         of statements for renaming.
2237         (force_gimple_operand_1): Likewise, consistently for both
2238         calls to force_gimple_operand and force_gimple_operand_gsi.
2240 2012-05-14  Richard Guenther  <rguenther@suse.de>
2242         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
2243         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
2244         to update_ssa.
2245         (expand_omp_for): Likewise.
2246         (expand_omp_for_generic): Adjust conditional add to referenced vars.
2247         Use make_rename_temp for temporaries that should be rewritten into
2248         SSA form.
2249         (expand_omp_for_static_nochunk): Likewise.
2250         (expand_omp_atomic_pipeline): Likewise.
2252 2012-05-14  Richard Guenther  <rguenther@suse.de>
2254         PR tree-optimization/53331
2255         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
2256         strided loads.
2257         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
2259 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2261         PR 53063
2262         * doc/options.texi: (LangEnabledBy): Document it.
2263         * optc-gen.awk: Handle LangEnabledBy.
2264         * opth-gen.awk: Generate declaration for lang-specific functions.
2265         * opt-read.awk: Record lang numbers.
2266         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
2267         (lang_sanitized_name): New.
2269 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
2271         * attribs.c (decl_attributes): Avoid emitting a warning if
2272         ATTR_FLAG_BUILT_IN.
2273         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
2274         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
2275         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
2276         define a string "1".
2277         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
2278         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
2279         BUILT_IN_STRCPY): Use it for these functions.
2280         * postreload.c (reload_combine): Deal with SETs inside
2281         CALL_INSN_FUNCTION_USAGE.
2282         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
2283         Look for REG_RETURNED notes and use a cheap restore if possible.
2284         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
2285         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
2286         * ira-build.c (ira_create_allocno, create_cap_allocno,
2287         propagate_allocno_info, propagate_some_info_from_allocno,
2288         copy_info_to_removed_store_destination, ira_flattening): Handle it.
2289         * ira-lives.c (pseudo_regno_single_word_and_live_p,
2290         find_call_crossed_cheap_reg): New static functions.
2291         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
2292         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
2293         a REG_RETURNED note in that case.
2294         * ira.c (setup_reg_renumber): Change assert to allow cases where
2295         allocnos only cross calls for which they are cheap to restore.
2296         * ira-costs.c (ira_tune_allocno_costs): Compare
2297         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
2298         than 0.
2299         * reg-notes.def (REG_RETURNED): New note.
2300         * cse.c (cse_insn): Likewise.
2301         * sched-deps.c (sched_analyze_insn): Likewise.
2302         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
2303         * calls.c (decl_return_flags): New static function.
2304         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
2305         functions that return one of their arguments.
2306         * regcprop.c (struct kill_set_value_data): New.
2307         (kill_set_value): Interpret data as a pointer to such a struct.
2308         Do nothing if the caller wants the register to be ignored.
2309         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
2311 2012-05-14  Richard Guenther  <rguenther@suse.de>
2313         PR tree-optimization/53340
2314         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
2316 2012-05-14  Richard Guenther  <rguenther@suse.de>
2318         * gimplify.c (gimplify_expr): Remove odd code.
2320 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
2322         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
2323         into a PLUS_EXPR byte offset.
2325         * tree-ssa-pre.c (can_value_number_call): Delete.
2326         (compute_avail): Skip all statements with side effects.
2327         <GIMPLE_CALL>: Skip calls to internal functions.
2329 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
2331         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
2333 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2335         * common.opt (Wtype-limits): Use EnabledBy.
2337 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
2339         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
2340         (pushtf splitter): Ditto.
2341         (movtf): Ditto.
2342         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
2343         (<code>tf2): Enable for TARGET_SSE.
2344         (*absnegtf2_sse): Ditto.
2345         (copysign<mode>3): Enable TFmode for TARGET_SSE.
2346         (copysign<mode>3_const): Ditto.
2347         (copysign<mode>3_var): Ditto.
2348         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
2349         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
2350         (*<code>tf3): Ditto.
2351         * config/i386/i386.c (struct builtin_description bdesc_args)
2352         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
2353         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
2354         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
2355         Emit a normal call if SSE isn't available.
2357 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
2359         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
2360         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
2361         (<code><mode>3): Ditto.
2362         (*andnot<mode>3): Ditto.
2363         (*andnottf3): Ditto.
2364         (*<code><mode>3): Ditto.
2365         (<code>tf3): Ditto.
2367 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2369         * optc-gen.awk: Error instead of warning for conflicting help.
2371 2012-05-12  Jason Merrill  <jason@redhat.com>
2373         PR debug/53235
2374         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
2375         comdat types.
2377 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
2379         * function.c (requires_stack_frame_p): If the function can throw
2380         non-call exceptions, return true if the insn can throw internally.
2382 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
2384         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
2386 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
2388         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2389         ORDERED and UNORDERED conditions.
2391 2012-05-11  Richard Guenther  <rguenther@suse.de>
2393         * tree-flow.h (referenced_var_check_and_insert): Remove.
2394         (find_new_referenced_vars): Likewise.
2395         * tree-dfa.c (referenced_var_check_and_insert): Make static.
2396         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
2397         * tree-inline.c (copy_bb): Use find_referenced_vars_in
2398         instead of find_new_referenced_vars.
2399         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
2401 2012-05-11  Richard Guenther  <rguenther@suse.de>
2403         * tree-pass.h (pass_rest_of_compilation,
2404         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
2405         Remove.
2406         * passes.c (pass_all_optimizations, pass_postreload,
2407         pass_all_early_optimizations): Make static.
2408         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
2409         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
2410         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
2411         (delete_tree_ssa): Do not call fini_phinodes.
2412         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
2414 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2416         PR 53063
2417         * doc/options.texi (EnabledBy): Document
2418         * opts.c: Include opts.h and options.h before tm.h.
2419         (finish_options): Do not handle some sub-options here...
2420         (common_handle_option): ... instead call common_handle_option_auto
2421         here.
2422         * optc-gen.awk: Handle EnabledBy.
2423         * opth-gen.awk: Declare common_handle_option_auto.
2424         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
2425         (Wmaybe-uninitialized): Likewise.
2426         (Wunused-but-set-variable): Likewise.
2427         (Wunused-function): Likewise.
2428         (Wunused-label): Likewise.
2429         (Wunused-value): Likewise.
2430         (Wunused-variable): Likewise.
2431         * opt-read.awk: Create opt_numbers array.
2433 2012-05-11  Richard Guenther  <rguenther@suse.de>
2435         PR tree-optimization/53295
2436         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
2437         strides.
2438         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
2439         strides when analyzing data-references in a loop context.
2440         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
2441         non-constant strides for now.
2442         (vect_enhance_data_refs_alignment): Ignore data references
2443         that are strided loads.
2444         (vect_analyze_data_ref_access): Handle non-constant strides.
2445         (vect_check_strided_load): Verify the data-reference is a load.
2446         (vect_analyze_data_refs): Restructure to make strided load
2447         support not dependent on gather support.
2448         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
2449         when doing strided or gather loads.
2450         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
2451         integer_zerop to compare stride with zero.
2453 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2455         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
2457 2012-05-11  Jan Hubicka  <jh@suse.cz>
2459         PR bootstrap/53300
2460         * varpool.c (varpool_assemble_decl): Also output constat pool entries
2461         that output_constant_pool missed.
2463 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
2465         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
2466         MULTILIB_EXTRA_OPTS.
2468 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
2470         PR target/53291
2471         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
2473 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
2475         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
2476         optimization for TARGET_AVX.
2477         (*movti_internal_sse): Ditto.
2478         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
2479         (*movdi_internal): Ditto.
2480         (*movsi_internal): Ditto.
2481         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
2482         (*movdf_internal_rex64): Ditto.
2483         (*movfd_internal): Ditto.
2484         (*movsf_internal): Ditto.
2485         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
2487 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
2489         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
2490         reference as size attribute.
2492 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
2493             Tristan Gingold  <gingold@adacore.com>
2495         * doc/md.texi (Standard Names): Document probe_stack_address.
2496         * explow.c (emit_stack_probe): Handle probe_stack_address.
2497         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
2498         (UNSPECV_PROBE_STACK_RANGE): Likewise.
2499         (probe_stack_address): New insn.
2500         (probe_stack_range): Likewise.
2501         * config/ia64/ia64.c: Include common/common-target.h.
2502         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
2503         checking is enabled.
2504         (ia64_emit_probe_stack_range): New function.
2505         (output_probe_stack_range): Likewise.
2506         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
2507         builtin stack checking is enabled.
2508         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
2509         and UNSPECV_PROBE_STACK_ADDRESS.
2510         (unknown_for_bundling_p): New predicate.
2511         (group_barrier_needed): Use important_for_bundling_p.
2512         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
2513         (issue_nops_and_insn): Likewise.
2514         (bundling): Likewise.
2515         (final_emit_insn_group_barriers): Likewise.
2516         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
2517         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
2518         (STACK_CHECK_PROTECT): Likewise.
2519         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
2521 2012-05-10  Jan Hubicka  <jh@suse.cz>
2523         * ipa-inline.c (update_all_callee_keys): Remove.
2524         (inline_small_functions): Simplify priority updating.
2526 2012-05-10  Jan Hubicka  <jh@suse.cz>
2528         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
2530 2012-05-10  Jan Hubicka  <jh@suse.cz>
2532         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
2533         (symtab_remove_unreachable_nodes): ... this one.
2534         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
2535         * cgraphunit.c (ipa_passes): Update.
2536         * cgraphclones.c (cgraph_materialize_all_clones): Update.
2537         * cgraph.c (cgraph_release_function_body): Only turn initial
2538         into error mark when initial was previously set.
2539         * ipa-inline.c (ipa_inline): Update.
2540         * ipa.c: Include ipa-inline.h
2541         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
2542         (enqueue_node): New function.
2543         (process_references): Update.
2544         (symtab_remove_unreachable_nodes): Cleanup.
2545         * passes.c (execute_todo, execute_one_pass): Update.
2547 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
2549         PR rtl-optimization/53125
2550         * ira.c (ira): Call find_moveable_pseudos and
2551         move_unallocated_pseudos if only ira_conflicts_p is true.
2553 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
2555         * config/i386/i386.md (*movoi_internal_avx): Handle
2556         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
2557         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
2558         (*movti_internal_sse): Ditto.
2559         (*movtf_internal): Ditto.
2560         * config/i386/sse.md (ssePSmode): New mode attribute.
2561         (*move<mode>_internal): Use ssePSmode.
2562         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
2563         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
2564         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
2565         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
2567 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
2569         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
2570         DECL_ORIGINAL_TYPE if it is present.
2572 2012-05-10  Nick Clifton  <nickc@redhat.com>
2574         PR target/53120
2575         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
2576         a "0" constraint to being a (match_dup 0).
2578 2012-05-10  Richard Guenther  <rguenther@suse.de>
2580         * stor-layout.c (byte_from_pos): Amend comment.
2582 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2584         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
2585         Document requirement to call in constructors.
2587         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
2589 2012-05-10  Richard Guenther  <rguenther@suse.de>
2591         * tree.h (TYPE_IS_SIZETYPE): Remove.
2592         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
2593         (extract_muldiv_1): Likewise.
2594         * gimple.c (gtc_visit): Likewise.
2595         (gimple_types_compatible_p): Likewise.
2596         (iterative_hash_canonical_type): Likewise.
2597         (gimple_canonical_types_compatible_p): Likewise.
2598         * gimplify.c (gimplify_one_sizepos): Likewise.
2599         * print-tree.c (print_node): Likewise.
2600         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
2602 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
2604         PR target/52908
2605         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
2606         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
2607         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
2608         instead of xop_mulv2div2di3_low.
2609         (xop_p<macs>dql): Fix vec_select selector.
2610         (xop_p<macs>dqh): Ditto.
2611         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
2612         (xop_mulv2div2di3_high): Ditto.
2614 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2616         PR c++/53289
2617         * diagnostic.h (diagnostic_context): Add last_location.
2618         * diagnostic.c (diagnostic_initialize): Initialize it.
2619         (diagnostic_show_locus): Use it.
2621 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2623         * doc/extend.texi (Function Attributes): Point xref to section
2624         about Pragmas.
2626 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
2628         * config/i386/i386.c (*movdf_internal_rex64): Remove
2629         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
2630         Calculate "mode" attribute according to
2631         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
2632         (*movdf_internal): Ditto.
2634 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
2636         PR target/44141
2637         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
2638         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
2639         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
2640         or when optimizing for size.
2641         * config/i386/sse.md (*mov<mode>_internal): Remove
2642         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
2643         Calculate "mode" attribute according to optimize_function_for_size_p
2644         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
2645         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
2646         depending on the mode of the instruction.  Calculate "mode" attribute
2647         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
2648         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
2649         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
2651 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
2653         PR target/53256
2654         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
2655         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
2656         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
2657         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
2658         (expand_prologue): Move initialization of cfun->machine->is_naked,
2659         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
2660         (avr_set_current_function): ...this new static function.
2661         (TARGET_SET_CURRENT_FUNCTION): New define.
2662         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
2663         checking attributes of current_function_decl.
2664         (avr_regs_to_save): Ditto.
2665         (signal_function_p): Rename to avr_signal_function_p.
2666         (interrupt_function_p): Rename to avr_interrupt_function_p.
2668         * doc/extend.texi (Function Attributes): Better explanation of
2669         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
2670         alphabetical order.
2672 2012-05-09  Michael Matz  <matz@suse.de>
2674         PR tree-optimization/53185
2675         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
2676         peeling when we see strided loads.
2678 2012-05-09  Matthias Klose  <doko@ubuntu.com>
2680         * gcc-ar.c (main): Don't check for execute bits for the plugin.
2682 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2684         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
2685         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
2686         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
2687         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
2688         (USE_LOAD_POST_INCREMENT): Define.
2689         (USE_LOAD_PRE_INCREMENT): Define.
2690         (USE_LOAD_POST_DECREMENT): Define.
2691         (USE_LOAD_PRE_DECREMENT): Define.
2692         (USE_STORE_PRE_DECREMENT): Define.
2693         (USE_STORE_PRE_INCREMENT): Define.
2694         (USE_STORE_POST_DECREMENT): Define.
2695         (USE_STORE_POST_INCREMENT): Define.
2696         (arm_auto_incmodes): Add enumeration.
2697         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
2698         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
2700 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
2702         PR tree-optimization/53226
2703         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
2704         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
2705         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
2706         doesn't need to be revisited, look for earliest stmt with
2707         !gimple_plf (stmt, GF_PLF_1) if something changed.
2709 2012-05-09  Terry Guo  <terry.guo@arm.com>
2711         * genmultilib: Update copyright dates.
2712         * doc/fragments.texi: Ditto.
2714 2012-05-09  Terry Guo  <terry.guo@arm.com>
2716         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
2717         * genmultilib (MULTILIB_REQUIRED): New.
2718         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
2720 2012-05-09  Richard Guenther  <rguenther@suse.de>
2722         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
2723         (vect_do_peeling_for_loop_bound): Likewise.
2724         (vect_do_peeling_for_alignment): Likewise.
2725         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
2726         (vect_do_peeling_for_loop_bound): Get check_profitability and
2727         threshold as parameters.
2728         (vect_do_peeling_for_alignment): Likewise.
2729         (vect_loop_versioning): Likewise.
2730         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
2731         and threshold here.  Control where to put the check here.
2733 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
2735         PR middle-end/53249
2736         * dwarf2out.h (get_address_mode): Move declaration to...
2737         * rtl.h: ...here.
2738         * dwarf2out.c (get_address_mode): Move definition to...
2739         * rtlanal.c: ...here.
2740         * var-tracking.c (get_address_mode): Delete.
2741         * combine.c (find_split_point): Use get_address_mode instead of
2742         targetm.addr_space.address_mode.
2743         * cselib.c (cselib_record_sets): Likewise.
2744         * dse.c (canon_address, record_store): Likewise.
2745         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
2746         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
2747         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
2748         (expand_expr_real_1): Likewise.
2749         * ifcvt.c (noce_try_cmove_arith): Likewise.
2750         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
2751         * reload.c (find_reloads): Likewise.
2752         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2753         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
2755 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
2757         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
2758         information from the instruction produced.
2760 2012-05-09  Richard Guenther  <rguenther@suse.de>
2762         * stor-layout.c (bit_from_pos): Document.
2763         (byte_from_pos): Likewise.  Optimize.
2764         (pos_from_bit): Likewise.
2765         (normalize_offset): Use pos_from_bit instead of replicating it.
2767 2012-05-09  Alan Modra  <amodra@gmail.com>
2769         PR target/53271
2770         * config/rs6000/rs6000.c (gen_frame_set): New function.
2771         (gen_frame_load, gen_frame_store): New functions.
2772         (rs6000_savres_rtx): Use the above.
2773         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
2774         Correct mode used for CR2 in save/restore_world patterns.
2775         Don't emit instructions for eh_return frame unwind reg info.
2777 2012-05-08  Jan Hubicka  <jh@suse.cz>
2779         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
2780         with VALUE_EXPR.
2781         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
2782         are removable.
2783         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
2784         need to wrapup.
2785         (compile_file): Do not output variables.
2786         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
2787         output it.
2788         * langhooks.c: Include timevar.h
2789         (write_global_declarations): Finalize compilation unit after wrapup;
2790         set timevars correctly.
2791         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
2792         not to be added to varpool.
2793         * varpool.c (varpool_assemble_decl): Sanity check that we are called
2794         only on cases where it makes sense; skip constant pool and value expr
2795         vars.
2797 2012-05-08  David S. Miller  <davem@davemloft.net>
2799         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
2800         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
2801         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
2803 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
2805         PR rtl-optimization/53278
2806         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
2807         speed_p code from earlier patch.
2809 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
2811         PR target/51244
2812         * config/sh/sh.md (*branch_true, *branch_false): New insns.
2814 2012-05-08  Teresa Johnson  <tejohnson@google.com>
2816         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
2817         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
2819 2012-05-08  Jan Hubicka  <jh@suse.cz>
2821         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
2822         (cgraph_create_node_1): Rename to ...
2823         (cgraph_create_empty_node): ... this one; export.
2824         (cgraph_create_node): Update.
2825         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
2826         (cgraph_create_edge_including_clones): Likewise.
2827         (cgraph_find_replacement_node): Likewise.
2828         (cgraph_clone_edge): Likewise.
2829         (cgraph_clone_node): Likewise.
2830         (clone_function_name): Likewise.
2831         (cgraph_create_virtual_clone): Likewise.
2832         (cgraph_remove_node_and_inline_clones): Likewise.
2833         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
2834         * cgraph.h: Reorder declarations so they match file of origin.
2835         (cgraph_create_empty_node): Declare.
2836         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
2837         (cgraph_copy_node_for_versioning): Likewise.
2838         (cgraph_function_versioning): Likewise.
2839         (cgraph_materialize_clone): Likewise.
2840         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
2841         (cgraph_materialize_all_clones): Likewise.
2842         * cgraphclones.c: New file.
2843         * Makefile.in: Update for cgraphclones.
2845 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
2847         PR target/53176
2848         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
2849         (ix86_rtx_costs): Handle SET.
2851 2012-05-08  Michael Matz  <matz@suse.de>
2853         * basic-block.h (struct rtl_bb_info): Remove visited member and
2854         move head_ member to ...
2855         (struct basic_block_def.basic_block_il_dependent): ... the new
2856         member x, replacing but containing old member rtl.
2857         (enum bb_flags): New BB_VISITED flag.
2858         (BB_HEADER, BB_FOOTER): New macros.
2860         * jump.c (mark_all_labels): Adjust.
2861         * cfgcleanup.c (try_optimize_cfg): Adjust.
2862         * cfglayout.c (record_effective_endpoints): Adjust.
2863         (relink_block_chain): Ditto (and don't fiddle with visited).
2864         (fixup_reorder_chain): Adjust.
2865         (fixup_fallthru_exit_predecessor): Ditto.
2866         (cfg_layout_duplicate_bb): Ditto.
2867         * combine.c (update_cfg_for_uncondjump): Adjust.
2868         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
2869         (bb_visited_trace): New accessor.
2870         (mark_bb_visited): Move in front.
2871         (rotate_loop): Use bb_visited_trace.
2872         (find_traces_1_round): Ditto.
2873         (emit_barrier_after): Ditto.
2874         (copy_bb): Ditto, and initialize visited on resize.
2875         (reorder_basic_blocks): Initize visited member.
2876         (duplicate_computed_gotos): Clear bb flags at start, use
2877         BB_VISITED flags.
2879         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
2880         (rtl_verify_flow_info_1): Ditto.
2881         (cfg_layout_split_block): Ditto.
2882         (cfg_layout_delete_block): Ditto.
2883         (cfg_layout_merge_blocks): Ditto.
2884         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
2886 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
2888         PR target/53272
2889         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
2890         when a constant source operand matches an "I" constraint, the "no
2891         CC0 change" applies to a register-destination only, not a
2892         strict_low_part-destination.
2894 2012-05-08  Richard Guenther  <rguenther@suse.de>
2896         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
2897         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
2899 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
2901         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
2903         * doc/avr-mmcu.texi: New auto-generated file.
2904         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
2905         to document all valid -mmcu= arguments.
2907         * config/avr/avr.h (arch_info_s): New struct definition.
2908         * config/avr/avr-devices.c (avr_texinfo): New variable.
2909         * config/avr/gen-avr-mmcu-texi.c: New file.
2910         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
2912 2012-05-08  Dehao Chen  <dehao@google.com>
2914         * predict.c (find_qualified_ssa_name): New.
2915         (find_ssa_name_in_expr): New.
2916         (find_ssa_name_in_assign_stmt): New.
2917         (is_comparison_with_loop_invariant_p): New.
2918         (is_bound_expr_similar): New.
2919         (predict_iv_comparison): New.
2920         (predict_loops): Add heuristic for loop-nested branches that compare an
2921         induction variable to a loop bound variable.
2922         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
2924 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
2926         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
2927         TARGET_BDVER2 defines where appropriate.
2929 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2931         * configure.ac (PLUGIN_LD): Rename into...
2932         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
2933         * config.in: Regenerate.
2934         * configure: Likewise.
2935         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
2937 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2939         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
2940         computation using the precision of the index type.
2941         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
2942         (fold_array_ctor_reference): Do index computations in the index type.
2944 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
2946         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
2947         down to plus_constant.
2948         (expand_epilogue): Ditto.
2950 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2952         * postreload.c (reload_cse_regs): Make static.
2953         * reload.h (reload_cse_regs): Remove prototype.
2955 2012-05-07  Richard Henderson  <rth@redhat.com>
2957         * config/alpha/alpha.md (clear_cache): New pattern.
2959 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2961         PR middle-end/53245
2962         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
2963         is folded to a type boundary value, verify that the resulting case
2964         label is still a care range.
2966 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
2968         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
2969         only for TARGET_GENERIC, when not optimizing for size.
2970         (*ffs<mode>_1): Ditto.
2972 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2974         * tree-cfg.c (verify_gimple_switch): Tighten checks.
2976 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
2978         PR tree-optimization/53239
2979         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
2980         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
2982 2012-05-07  Richard Guenther  <rguenther@suse.de>
2984         PR tree-optimization/53195
2985         * tree-inline.c (setup_one_parameter): Properly add referenced
2986         vars from the parameters new known value.
2988 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2990         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
2991         (sched_branch_type): Remove.
2992         (m68k_sched_md_init_global): Don't allocate it.
2993         (m68k_sched_md_finish_global): Don't free it.
2994         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
2995         * config/m68k/m68k.md: Set the type of insns using
2996         m68k_sched_branch_type to bcc directly.
2998 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3000         * config/sol2.c (solaris_override_options): New function.
3001         * config/sol2-protos.h (solaris_override_options): Declare.
3002         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
3004 2012-05-07  Richard Guenther  <rguenther@suse.de>
3006         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
3007         whether we failed to compute data dependences.
3008         (loop_prefetch_arrays): Fail if we failed.
3010 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
3011             Paolo Bonzini  <bonzini@gnu.org>
3013         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
3014         Emit bsf when optimizing for size.
3015         (*ffs<mode>_1): Ditto.
3017 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3019         PR target/53250
3020         * config/sh/sh.c (sh_rtx_costs): Handle SET.
3022 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
3024         PR target/53227
3025         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
3026         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
3027         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
3028         (bswapsi2): Ditto.
3029         (*bswapdi2_doubleword): New insn pattern.
3030         (*bswap<mode>2): Rename from *bswap<mode>2_1.
3032 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
3034         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
3035         (mips_set_reg_reg_cost): Likewise.
3036         (mips_rtx_costs): Handle SET.
3038 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
3040         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
3041         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
3042         to compute the cost of moves.  Set the mode of the target register.
3044 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
3046         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
3047         plus_constant function.
3048         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
3049         that the mode is sensible.
3050         (use_anchored_address, round_push, allocate_dynamic_stack_space)
3051         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
3052         plus_constant.
3054         * alias.c (canon_rtx): Likewise.
3055         (init_alias_analysis): Likewise.
3056         * builtins.c (expand_builtin_return_addr)
3057         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
3058         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
3059         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
3060         (expand_builtin_stpcpy): Likewise.
3061         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
3062         (compute_argument_addresses, internal_arg_pointer_based_exp)
3063         (expand_call, emit_library_call_value_1): Likewise.
3064         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
3065         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
3066         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
3067         * cse.c (insert_const_anchor, find_reg_offset_for_const)
3068         (use_related_value, fold_rtx): Likewise.
3069         * cselib.c (cselib_subst_to_values): Likewise.
3070         * dse.c (record_store, check_mem_read_rtx): Likewise.
3071         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
3072         * emit-rtl.c (adjust_address_1): Likewise.
3073         * except.c (sjlj_emit_function_enter)
3074         (expand_builtin_extract_return_addr)
3075         (expand_builtin_frob_return_addr): Likewise.
3076         * expmed.c (expand_divmod): Likewise.
3077         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
3078         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
3079         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
3080         * function.c (assign_stack_local_1)
3081         (instantiate_virtual_regs_in_rtx): Likewise.
3082         * optabs.c (prepare_cmp_insn): Likewise.
3083         * recog.c (offsettable_address_addr_space_p): Likewise.
3084         * reload.c (find_reloads_address, form_sum)
3085         (find_reloads_subreg_address): Likewise.
3086         * reload1.c (init_reload, eliminate_regs_1)
3087         (eliminate_regs_in_insn): Likewise.
3088         * simplify-rtx.c (simplify_unary_operation_1)
3089         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
3090         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
3091         (vt_add_function_parameter): Likewise.
3093         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
3094         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
3095         * config/alpha/alpha.c (alpha_legitimize_address_1)
3096         (get_unaligned_address, alpha_expand_unaligned_load)
3097         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
3098         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
3099         (alpha_expand_builtin_establish_vms_condition_handler)
3100         (alpha_setup_incoming_varargs, emit_frame_store_1)
3101         (alpha_expand_prologue, alpha_expand_epilogue)
3102         (alpha_use_linkage): Likewise.
3103         * config/alpha/alpha.md: Likewise.
3105         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
3106         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
3107         (thumb_legitimize_address, arm_gen_load_multiple_1)
3108         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
3109         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
3110         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
3111         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
3112         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
3113         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
3114         (thumb_expand_movmemqi, arm_set_return_address)
3115         (thumb_set_return_address): Likewise.
3116         * config/arm/arm.md: Likewise.
3118         * config/avr/avr.c (avr_incoming_return_addr_rtx)
3119         (avr_prologue_setup_frame, expand_epilogue)
3120         (avr_const_address_lo16): Likewise.
3122         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
3123         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
3124         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
3125         (bfin_output_mi_thunk): Likewise.
3127         * config/c6x/c6x.c (c6x_initialize_trampoline)
3128         (c6x_output_mi_thunk): Likewise.
3130         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
3131         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
3133         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
3134         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
3135         (cris_emit_movem_store, cris_trampoline_init): Likewise.
3136         * config/cris/cris.md: Likewise.
3138         * config/darwin.c (machopic_indirect_data_reference)
3139         (machopic_legitimize_pic_address): Likewise.
3141         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
3142         (epiphany_expand_prologue, epiphany_expand_epilogue)
3143         (epiphany_trampoline_init): Likewise.
3144         * config/epiphany/epiphany.md: Likewise.
3146         * config/fr30/fr30.c (fr30_move_double): Likewise.
3148         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
3149         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
3150         (frv_index_memory, unspec_got_name, frv_find_base_term)
3151         (frv_output_dwarf_dtprel): Likewise.
3153         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
3154         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
3156         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
3157         * config/i386/i386.c (setup_incoming_varargs_64)
3158         (setup_incoming_varargs_ms_64, choose_baseaddr)
3159         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
3160         (ix86_emit_probe_stack_range, ix86_expand_prologue)
3161         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
3162         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
3163         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
3164         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
3165         (x86_output_mi_thunk): Likewise.
3166         * config/i386/i386.md: Likewise.
3168         * config/ia64/ia64.c (ia64_expand_load_address)
3169         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
3170         (do_spill, ia64_trampoline_init): Likewise.
3172         * config/iq2000/iq2000.c (iq2000_va_start)
3173         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
3174         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
3175         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
3177         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
3179         * config/m32c/m32c.c (m32c_return_addr_rtx)
3180         (m32c_expand_insv): Likewise.
3182         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
3183         (m32r_legitimize_pic_address, m32r_print_operand)
3184         (m32r_print_operand_address): Likewise.
3186         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
3187         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
3188         (EH_RETURN_HANDLER_RTX): Likewise.
3189         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
3190         (m68k_expand_epilogue, legitimize_pic_address)
3191         (m68k_output_mi_thunk): Likewise.
3192         * config/m68k/m68k.md: Likewise.
3194         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
3195         (mcore_expand_epilog): Likewise.
3196         * config/mcore/mcore.md: Likewise.
3198         * config/mep/mep.c (mep_allocate_initial_value)
3199         (mep_expand_prologue, mep_expand_epilogue): Likewise.
3201         * config/microblaze/microblaze.c (double_memory_operand)
3202         (microblaze_block_move_loop): Likewise.
3204         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
3205         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
3206         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
3207         (mips_expand_prologue, mips_epilogue_set_cfa)
3208         (mips_expand_epilogue): Likewise.
3209         * config/mips/mips.md: Likewise.
3211         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
3212         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
3214         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
3215         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
3217         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
3218         (EH_RETURN_HANDLER_RTX): Likewise.
3219         * config/moxie/moxie.c (moxie_static_chain): Likewise.
3221         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
3222         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
3223         (pa_return_addr_rtx, hppa_builtin_saveregs)
3224         (pa_trampoline_init): Likewise.
3225         * config/pa/pa.md: Likewise.
3227         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
3229         * config/picochip/picochip.c (picochip_static_chain): Likewise.
3231         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
3232         * config/rs6000/rs6000.c (rs6000_legitimize_address)
3233         (setup_incoming_varargs, print_operand, rs6000_return_addr)
3234         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
3235         (rs6000_emit_epilogue)
3236         (rs6000_machopic_legitimize_pic_address): Likewise.
3238         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3240         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
3241         (DYNAMIC_CHAIN_ADDRESS): Likewise.
3242         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
3243         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
3244         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
3245         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
3246         (s390_emit_epilogue, s390_function_profiler): Likewise.
3247         * config/s390/s390.md: Likewise.
3249         * config/score/score.c (score_add_offset, score_prologue): Likewise.
3251         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
3252         (sh_output_mi_thunk): Likewise.
3253         * config/sh/sh.md: Likewise.
3255         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
3256         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
3257         * config/sparc/sparc.c (sparc_legitimize_pic_address)
3258         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
3259         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
3260         (emit_and_preserve): Likewise.
3261         * config/sparc/sparc.md: Likewise.
3263         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
3264         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
3265         (spu_setup_incoming_varargs, ea_load_store_inline)
3266         (spu_expand_load): Likewise.
3268         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
3269         (combine_bnp): Likewise.
3271         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
3272         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
3273         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
3275         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
3276         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
3277         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
3279         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
3280         * config/v850/v850.md: Likewise.
3282         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
3283         (EH_RETURN_HANDLER_RTX): Likewise.
3284         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
3285         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
3286         (print_operand_address, vax_trampoline_init): Likewise.
3288         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
3289         (xtensa_function_value_regno_p): Likewise.
3291 2012-05-04  Andrew Pinski  <apinski@cavium.com>
3293         * expr.c (get_def_for_expr_class): New function.
3294         (convert_tree_comp_to_rtx): New function.
3295         (expand_cond_expr_using_cmove): New function.
3296         (expand_expr_real_2 <case COND_EXPR>): Call
3297         expand_cond_expr_using_cmove first and return if it succeeds.
3298         Remove the check for HAVE_conditional_move since we should have
3299         already converted it to a conditional move.
3300         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
3301         modes of DImode for 32bits and TImode.
3303 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
3305         PR other/29442
3306         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
3307         (print_md_ptr_loc, print_c_condition): Use them.
3308         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
3309         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
3310         attr_file, dfa_file, latency_file): New global variables.
3311         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
3312         write_upcase, write_indent, write_length_unit_log, write_test_expr,
3313         write_attr_get, write_insn_cases, write_eligible_delay,
3314         write_const_num_delay_slots): Accept FILE pointer and toss it around.
3315         Update all callers.
3316         (write_header, open_outfile, handle_arg): New funcions.
3317         (make_automaton_attrs): Write prototypes as extern to the output
3318         files.
3319         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
3320         names from the command line.  Open the output files and write out
3321         internal functions for DFA functions to dfa_file_name, insn latency
3322         functions to latency_file_name, and everything else to attr_file.
3323         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
3324         (BACKEND): Build libbackend first.
3325         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
3326         (.PRECIOUS): Likewise.
3327         (insn-dfatab.o): New rule.
3328         (insn-latencytab.o): New rule.
3329         (simple_rtl_generated_c): Do not include insn-attrtab.c.
3330         (s-attrtab): New rule.
3332 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
3334         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
3335         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
3336         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
3337         * reorg.c (get_jump_flags): Do not set the removed flags.
3339         * doc/md.texi (attr_flag): Update for abovementioned changes.
3341 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
3343         PR target/53228
3344         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
3345         (TARGET_CMOV): Rename from TARGET_CMOVE.
3346         (TARGET_CMOVE): New define.
3347         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
3348         Do not set TARGET_CMOVE here.
3350 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
3352         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
3353         * opts.c (finish_options): Activate -Wunused-local-typedefs if
3354         -Wunused is activated.
3355         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
3357 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3359         * config/s390/s390.md (*movmem_short, *clrmem_short)
3360         (*cmpmem_short): Move the mode check from the insn condition to
3361         the match_scratch.
3363 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3365         PR tree-optimization/52633
3366         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
3367         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
3368         (vect_recog_over_widening_pattern): Remove handling of code that was
3369         already detected as over-widening pattern.  Remove special handling
3370         of "unsigned" cases.  Instead, support general case of conversion
3371         of the shift result to another type.
3373 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3375         * tree-vect-patterns.c (vect_single_imm_use): New function.
3376         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
3377         (vect_recog_over_widening_pattern): Likewise.
3378         (vect_recog_widen_shift_pattern): Likewise.
3380 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3382         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
3383         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
3384         (vect_recog_widen_mult_pattern): Likewise.
3385         (vect_operation_fits_smaller_type): Likewise.
3386         (vect_recog_over_widening_pattern): Likewise.
3387         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
3389 2012-05-04  Richard Guenther  <rguenther@suse.de>
3391         PR lto/50602
3392         * lto-wrapper.c (merge_and_complain): Complain about mismatches
3393         of -freg-struct-return and -fpcc-struct-return.
3394         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
3395         from the input file options and ignore those from the link
3396         command line.
3398 2012-05-04  Richard Guenther  <rguenther@suse.de>
3400         PR tree-optimization/53168
3401         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
3402         memory reads when the result is a constant we can pun.
3404 2012-05-04  Richard Guenther  <rguenther@suse.de>
3406         * common.opt (flto-report): Do not mark as Optimization.
3408 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3410         PR target/48496
3411         * recog.c (constrain_operands): If extra constraints are present, also
3412         accept pseudo-registers with equivalent memory locations during reload.
3414 2012-05-04  Olivier Hainque  <hainque@adacore.com>
3416         * collect2.c (may_unlink_output_file): New global.
3417         (maybe_unlink): Honor it.
3418         * collect2.h: Add extern for it.
3419         * tlink.c (do_tlink): Set it to true if the link succeeded.
3421 2012-05-04  Olivier Hainque  <hainque@adacore.com>
3423         * gcc.c (eval_spec_function): Finalize/restore the current string
3424         obstack state as part of the context push/pop operations.
3426 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
3428         PR rtl-optimization/52804
3429         * reload1.c (reload_reg_reaches_end_p): Check whether successor
3430         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
3431         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
3432         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
3433         RELOAD_FOR_OUTADDR_ADDRESS.
3435 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3437         PR c++/24985
3438         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
3439         for macro expansion.
3441 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3443         * flags.h (flag_permissive): Do not declare.
3444         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
3445         option specially.
3446         * toplev.c (flag_permissive): Do not define.
3447         * c-tree.h (system_header_p): Delete unused.
3449 2012-05-03  David S. Miller  <davem@davemloft.net>
3451         PR target/52684
3452         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
3453         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
3454         (sparc_emit_float_lib_cmp): Likewise.
3456 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
3458         PR target/53199
3459         * config/rs6000/rs6000.md (bswapdi splitters): If
3460         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
3461         default) is used, generate an alternate sequence that does not
3462         depend on using indexed addressing.
3464 2012-05-03  Jason Merrill  <jason@redhat.com>
3466         * gengtype.c (write_types): Fix warning message.
3467         (write_local): Likewise.
3469 2012-05-02  Jason Merrill  <jason@redhat.com>
3471         * dwarf2out.c (struct external_ref, build_local_stub): New.
3472         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
3473         (optimize_external_refs, optimize_external_refs_1): New.
3474         (change_AT_die_ref): New.
3475         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
3476         (build_abbrev_table): Take the external refs hashtable.
3477         (output_comp_unit): Get it from optimize_external_refs and pass it in.
3479 2012-05-03  Jan Hubicka  <jh@suse.cz>
3481         PR middle-end/53093
3482         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
3484 2012-05-03  Jan Hubicka  <jh@suse.cz>
3486         PR middle-end/53106
3487         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
3489 2012-05-03  Jason Merrill  <jason@redhat.com>
3491         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
3492         use_debug_types to discriminate the die_id union.
3493         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
3494         (build_abbrev_table, output_die): Likewise.
3495         (prune_unused_types_walk_attribs): Likewise.
3496         (generate_type_signature, copy_declaration_context): Set it.
3497         (remove_child_or_replace_with_skeleton): Set it.
3498         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
3499         check use_debug_types.
3500         (dwarf2out_finish): Do break_out_includes after .debug_types.
3502 2012-05-03  Jason Merrill  <jason@redhat.com>
3504         * dwarf2out.c (modified_type_die): Use scope_die_for.
3505         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
3506         (uses_local_type_r, uses_local_type): New.
3507         (scope_die_for): Keep a type that uses a local type in local scope.
3508         Use get_context_die for namespace and type scope.
3510 2012-05-03  Jason Merrill  <jason@redhat.com>
3512         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
3513         pc thunk.
3514         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
3515         (dwarf2out_finish): Likewise.
3517 2012-05-03  Martin Jambor  <mjambor@suse.cz>
3519         * builtins.c (get_object_alignment_1): Return whether we can determine
3520         the alignment or conservatively assume byte alignment.  Return the
3521         alignment by reference.  Use get_pointer_alignment_1 for dereference
3522         alignment.
3523         (get_pointer_alignment_1): Return whether we can determine the
3524         alignment or conservatively assume byte alignment.  Return the
3525         alignment by reference.  Use get_ptr_info_alignment to get SSA name
3526         alignment.
3527         (get_object_alignment): Update call to get_object_alignment_1.
3528         (get_object_or_type_alignment): Likewise, fall back to type alignment
3529         only when it returned false.
3530         (get_pointer_alignment): Update call to get_pointer_alignment_1.
3531         * fold-const.c (get_pointer_modulus_and_residue): Update call to
3532         get_object_alignment_1.
3533         * ipa-prop.c (ipa_modify_call_arguments): Update call to
3534         get_pointer_alignment_1.
3535         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
3536         of MEM_REF or TARGET_MEM_REF only when it returns false.
3537         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
3538         get_object_alignment_1.
3539         (ccp_finalize): Use set_ptr_info_alignment.
3540         * tree.h (get_object_alignment_1): Update declaration.
3541         (get_pointer_alignment_1): Likewise.
3542         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
3543         (dump_gimple_stmt): Likewise.
3544         * tree-flow.h (ptr_info_def): Updated comments of fields align and
3545         misalign.
3546         (get_ptr_info_alignment): Declared.
3547         (mark_ptr_info_alignment_unknown): Likewise.
3548         (set_ptr_info_alignment): Likewise.
3549         (adjust_ptr_info_misalignment): Likewise.
3550         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
3551         and set alignment of SSA names.
3552         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
3553         mark_ptr_info_alignment_unknown.
3554         * tree-ssanames.c (get_ptr_info_alignment): New function.
3555         (mark_ptr_info_alignment_unknown): Likewise.
3556         (set_ptr_info_alignment): Likewise.
3557         (adjust_ptr_info_misalignment): Likewise.
3558         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
3559         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
3560         Likewise.
3561         (bump_vector_ptr): Likewise.
3562         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
3563         (vectorizable_store): Likewise.
3564         (vectorizable_load): Likewise.
3566 2012-05-03  Michael Matz  <matz@suse.de>
3568         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
3569         in front of basic_block_def.
3570         (struct basic_block_def): Make il.gimple the full struct, not a
3571         pointer.
3572         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
3574         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
3575         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
3576         NULL il.gimple, which can't happen anymore.
3577         * gimple.h (bb_seq): il.gimple can't be NULL.
3578         (bb_seq_add): Ditto.
3579         (set_bb_seq): Adjust.
3580         (gsi_start_bb, gsi_last_bb): Tidy.
3581         * lto-streamer-in.c (make_new_block): Don't zero members that
3582         are zeroed already, don't allocate a gimple_bb_info.
3583         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
3584         (remove_bb): Clear all il.gimple members.
3585         (gimple_verify_flow_info): Adjust for flat il.gimple.
3586         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
3588         * coretypes.h (const_gimple_seq): Remove typedef.
3589         * gimple.h (gimple_seq_first): Take gimple_seq.
3590         (gimple_seq_first_stmt): Ditto.
3591         (gimple_seq_last): Ditto.
3592         (gimple_seq_last_stmt): Ditto.
3593         (gimple_seq_empty_p): Ditto.
3595 2012-05-03  Richard Guenther  <rguenther@suse.de>
3597         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
3598         operations.
3599         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
3600         (compute_avail): Do not add possibly trapping operations to
3601         EXP_GEN if they might not be executed in the block.
3603 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
3605         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
3607 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
3609         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
3610         information as early as possible.  Update dominance info instead of
3611         discarding it.
3613 2012-05-03  Richard Guenther  <rguenther@suse.de>
3615         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
3616         (union_contains_value): Remove.
3617         (vro_valid_in_sets): Likewise.
3618         (op_valid_in_sets): New function.
3619         (valid_in_sets): Use op_valid_in_sets.
3620         (insert_into_preds_of_block): Move dumping ...
3621         (do_regular_insertion): ... here.
3622         (do_partial_partial_insertion): ... and here.  Dump that
3623         we've found a partial partial redundancy.
3624         (insert): Dump the current insert iteration.
3626 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
3628         PR plugins/53126
3629         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
3630         append program name to it and pass that as first argument
3631         to make_relative_prefix.  Always pass standard_libexec_prefix
3632         as last argument to make_relative_prefix.  If
3633         make_relative_prefix returns NULL, fall back to
3634         standard_libexec_prefix.
3636         PR debug/53174
3637         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
3638         removed.
3640         PR target/53187
3641         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
3642         mode, return that mode.
3644         PR target/53194
3645         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
3646         define __ATOMIC_HLE_* macros here.
3647         (ix86_target_macros): But here, using cpp_define_formatted.
3649 2012-05-03  Richard Guenther  <rguenther@suse.de>
3651         PR tree-optimization/53144
3652         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
3653         Rename to ...
3654         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
3655         with SSA name values.
3656         (vn_reference_lookup_3): Adjust callers.
3658 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
3660         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
3661         has_fma4 for AMD processors with both fma3 and fma4 support.
3663 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
3665         PR target/53201
3666         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
3667         "-mno-hle".
3669 2012-05-03  Michael Matz  <matz@suse.de>
3671         PR bootstrap/53197
3672         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
3673         (dse_enter_block): Properly iterate the whole sequence even
3674         if the last statement was removed.
3676 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3678         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
3679         unset flag_jump_tables.
3680         * stmt.c (expand_case): Remove special flag_pic case conditional
3681         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
3683 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
3685         * common/config/s390/s390-common.c (s390_option_optimization_table):
3686         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
3687         default when optimizing.
3689 2012-05-02  Martin Jambor  <mjambor@suse.cz>
3691         PR lto/52605
3692         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
3693         of a variable when the contect is a function.
3695 2012-05-02  Michael Matz  <matz@suse.de>
3697         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
3698         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
3699         (const_gimple_seq_node): Remove.
3700         (gimple_seq_node): Typedef as gimple.
3701         (struct gimple_statement_base): Add next and prev members,
3702         adjust all WORD markers in using structs.
3703         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
3704         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
3705         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
3706         gimple are the same.
3707         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
3708         gimple_seq, adjust.
3709         (gimple_init_singleton): New function.
3710         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
3711         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
3712         (gsi_stmt): Adjust.
3713         (gsi_stmt_ptr): Remove.
3714         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
3716         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
3717         again, adjust for above changes.
3718         (update_call_edge_frequencies): Adjust for above changes.
3719         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
3720         (gsi_insert_seq_nodes_after): Ditto.
3721         (gsi_split_seq_after): Ditto.
3722         (gsi_set_stmt): Ditto.
3723         (gsi_split_seq_before): Ditto.
3724         (gsi_remove): Ditto.
3725         (gsi_insert_seq_before_without_update): Don't free sequence.
3726         (gsi_insert_seq_after_without_update): Ditto.
3727         (gsi_replace): Assert some more invariants.
3728         (gsi_insert_before_without_update, gsi_insert_after_without_update):
3729         Tidy.
3730         (gsi_for_stmt): Don't search for stmt.
3731         (gsi_insert_on_edge_immediate): Tidy.
3733         * gimple.c (gimple_alloc_k): Remove "sequences".
3734         (gimple_seq_cache): Remove.
3735         (gimple_alloc_stat): Make stmt a singleton sequence.
3736         (gimple_seq_alloc, gimple_seq_free): Remove.
3737         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
3738         (gimple_copy): Ditto.
3739         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
3740         create iterator from correct sequence.
3741         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
3743 2012-05-02  Michael Matz  <matz@suse.de>
3745         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
3746         gimple_seq.
3747         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
3748         sequence, lazily allocate it.
3749         (bb_seq_addr): New function.
3750         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
3751         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
3752         (gsi_none): New function.
3753         (gsi_start_bb): Adjust.
3754         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
3755         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
3756         (gsi_last_bb): Adjust.
3757         (gsi_seq): Adjust.
3758         * tree-flow-inline.h (phi_nodes_ptr): New function.
3760         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
3761         datastructure and interface change.
3762         (gsi_insert_seq_before_without_update): Ditto.
3763         (gsi_insert_seq_nodes_after): Ditto.
3764         (gsi_insert_seq_after_without_update): Ditto.
3765         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
3766         (gsi_split_seq_before): Ditto.
3767         (gsi_start_phis): Adjust.
3768         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
3769         (vect_transform_loop): Ditto.
3770         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
3771         gimple_seq_copy): Don't use gimple_seq_alloc.
3772         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
3773         (gimplify_seq_add_seq): Ditto.
3774         * lto-streamer-in.c (make_new_block): Ditto.
3775         * tree-cfg.c (create_bb): Ditto.
3776         * tree-sra.c (initialize_parameter_reductions): Ditto.
3778 2012-05-02  Michael Matz  <matz@suse.de>
3780         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
3781         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
3782         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
3783         set_bb_seq): Move down to after gimple_statement_d definition.
3785 2012-05-02  Michael Matz  <matz@suse.de>
3787         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
3788         gsi_replace_with_seq, instead of inserting itself.
3789         * gimple-iterator.c (gsi_replace_with_seq): New function.
3790         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
3791         iterator instead of statement, advance it.
3792         (ssa_forward_propagate_and_combine): Adjust call to above.
3794 2012-05-02  Michael Matz  <matz@suse.de>
3796         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
3797         gimple_seq_alloc.
3798         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
3799         * tree-nested.c (walk_gimple_omp_for): Ditto.
3800         * trans-mem.c (lower_transaction): Ditto.
3801         * tree-eh.c (do_return_redirection): Ditto.
3802         (do_goto_redirection): Ditto.
3803         (lower_try_finally_switch): Ditto.
3804         * gimplify.c (gimplify_stmt): Ditto.
3805         (gimplify_scan_omp_clauses): Ditto.
3806         (gimplify_omp_for): Ditto.
3807         (gimplify_function_tree): Ditto.
3808         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
3809         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
3810         (mf_build_check_statement_for): Ditto.
3811         (mx_register_decls): Ditto.
3812         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
3813         and don't use itertors to append.
3814         (insert_stmts): Ditto.
3815         (insert_out_of_ssa_copy): Ditto.
3816         (insert_out_of_ssa_copy_on_edge): Ditto.
3818 2012-05-02  Michael Matz  <matz@suse.de>
3820         * gimple.h (gimple_bind_body_ptr): New function.
3821         (gimple_bind_body): Use it.
3822         (gimple_catch_handler): Use gimple_catch_handler_ptr.
3823         (gimple_eh_filter_failure_ptr): New function.
3824         (gimple_eh_filter_failure): Use it.
3825         (gimple_eh_else_n_body_ptr): New function.
3826         (gimple_eh_else_n_body): Use it.
3827         (gimple_eh_else_e_body_ptr): New function.
3828         (gimple_eh_else_e_body): Use it.
3829         (gimple_try_eval_ptr): New function.
3830         (gimple_try_eval): Use it.
3831         (gimple_try_cleanup_ptr): New function.
3832         (gimple_try_cleanup): Use it.
3833         (gimple_wce_cleanup_ptr): New function.
3834         (gimple_wce_cleanup): Use it.
3835         (gimple_omp_body_ptr): New function.
3836         (gimple_omp_body): Use it.
3837         (gimple_omp_for_pre_body_ptr): New function.
3838         (gimple_omp_for_pre_body): Use it.
3839         (gimple_transaction_body_ptr): New function.
3840         (gimple_transaction_body): Use it.
3841         (gsi_split_seq_before): Adjust to return nothing and take pointer
3842         to sequence.
3843         (gsi_set_stmt): Declare.
3844         (gsi_replace_with_seq): Declare.
3845         (walk_gimple_seq_mod): Declare.
3846         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
3848         * gimple-iterator.c (gsi_set_stmt): New function.
3849         (gsi_split_seq_before): Return new sequence via pointer argument.
3850         (gsi_replace): Use gsi_set_stmt.
3852         * tree-ssa-loop-im.c (move_computations_stmt): First remove
3853         then insert stmt.
3854         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
3855         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
3856         return new stmt.
3857         (reserve_phi_args_for_new_edge): Change call to above,
3858         use gsi_set_stmt.
3860         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
3861         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
3862         iterators.  Adjust call to lower_omp.
3863         (lower_lastprivate_clauses): Adjust call to lower_omp.
3864         (lower_reduction_clauses): Ditto.
3865         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
3866         (lower_omp_sections): Don't explicitely count sequence length,
3867         nullify lowered bodies earlier, ensure stmts are part of only
3868         one sequence, adjust call to lower_omp.
3869         (lower_omp_single): Ensure stmts are part of only one sequence,
3870         adjust call to lower_omp.
3871         (lower_omp_master): Ditto.
3872         (lower_omp_ordered): Ditto.
3873         (lower_omp_critical): Ditto.
3874         (lower_omp_for): Ditto.
3875         (lower_omp_taskreg): Ditto, tidy.
3876         (lower_omp_1): Adjust calls to lower_omp.
3877         (execute_lower_omp): Ditto.
3878         (lower_omp): Adjust to take pointer to sequence.
3879         (diagnose_sb_2): Use walk_gimple_seq_mod.
3880         (diagnose_omp_structured_block_errors): Ditto and set possibly
3881         changed function body.
3882         * gimple-low.c (lower_function_body): Set function body after
3883         it stabilizes.
3884         (lower_sequence): Adjust to take pointer to sequence.
3885         (lower_omp_directive): Ensure stmt isn't put twice into the
3886         sequence, adjust call to lower_sequence.
3887         (lower_stmt): Adjust calls to lower_sequence.
3888         (lower_gimple_bind): Ditto.
3889         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
3890         * tree-nested.c (walk_body): Take pointer to sequence, use
3891         walk_gimple_seq_mod.
3892         (walk_function): Adjust call to walk_body, set possibly changed body.
3893         (walk_gimple_omp_for): Adjust calls to walk_body.
3894         (convert_nonlocal_omp_clauses): Ditto.
3895         (convert_nonlocal_reference_stmt): Ditto.
3896         (convert_local_omp_clauses): Ditto.
3897         (convert_local_reference_stmt): Ditto.
3898         (convert_tramp_reference_stmt): Ditto.
3899         (convert_gimple_call): Ditto.
3900         (convert_nl_goto_reference): Use local iterator copy.
3901         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
3902         but taking pointer to sequence, ensure gsi_start is called with
3903         callers lvalue.
3904         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
3905         asserting that the sequence head didn't change.
3906         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
3907         walk_gimple_seq_mod.
3908         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
3909         (execute_lower_tm): Ditto, and set possibly changed body.
3910         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
3911         call gsi_start with that lvalue.
3912         (replace_goto_queue_stmt_list): Ditto.
3913         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
3914         (replace_goto_queue): Ditto.
3915         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
3916         (lower_try_finally_onedest): Ditto.
3917         (lower_try_finally_copy): Ditto.
3918         (lower_try_finally_switch): Ditto.
3919         (lower_try_finally): Ditto.
3920         (lower_eh_filter): Ditto.
3921         (lower_eh_must_not_throw): Ditto.
3922         (lower_cleanup): Ditto.
3923         (lower_eh_constructs_2): Ditto.
3924         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
3925         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
3926         set possibly changed body.
3927         (optimize_double_finally): Call gsi_start with lvalue.
3929         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
3930         (gimple_split_block): Ditto.
3931         (gimple_merge_blocks): Use gsi_start_phis.
3932         (move_stmt_r): Use walk_gimple_seq_mod.
3933         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
3934         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
3935         (rebuild_cgraph_edges): Ditto.
3936         (cgraph_rebuild_references): Ditto.
3937         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
3938         * tree-inline.c (copy_phis_for_bb): Ditto.
3939         * tree-ssa-dce.c: Ditto.
3941         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
3943 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
3944             Andi Kleen <ak@linux.intel.com>
3946         * coretypes.h (MEMMODEL_MASK): New.
3947         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
3948         and return new variable.
3949         (expand_builtin_atomic_exchange):  Mask memmodel values.
3950         (expand_builtin_atomic_compare_exchange): Ditto.
3951         (expand_builtin_atomic_load): Ditto.
3952         (expand_builtin_atomic_store): Ditto.
3953         (expand_builtin_atomic_clear): Ditto.
3954         * doc/extend.texi: Mention port-dependent memory model flags.
3955         * config/i386/cpuid.h (bit_HLE): New.
3956         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
3957         HLE support.
3958         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
3959         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
3960         (ix86_target_string)<-mhle>: New.
3961         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
3962         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
3963         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
3964         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
3965         enabled for generic, generic64 and core-avx2.
3966         (ix86_print_operand): Generate HLE lock prefixes.
3967         (ix86_memmodel_check): New.
3968         (TARGET_MEMMODEL_CHECK): Ditto.
3969         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
3970         (IX86_HLE_ACQUIRE): Ditto.
3971         (IX86_HLE_RELEASE): Ditto.
3972         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
3973         * config/i386/i386.opt (mhle): Ditto.
3974         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
3975         success model to instruction emitter.
3976         (atomic_fetch_add<mode>): Ditto.
3977         (atomic_exchange<mode>): Ditto.
3978         (atomic_add<mode>): Ditto.
3979         (atomic_sub<mode>): Ditto.
3980         (atomic_<code><mode>): Ditto.
3981         (*atomic_compare_and_swap_doubledi_pic): Ditto.
3982         (atomic_compare_and_swap_single<mode>): Define and use argument
3983         for success model.
3984         (atomic_compare_and_swap_double<mode>): Ditto.
3985         * configure.ac: Check if assembler support HLE prefixes.
3986         * configure: Regenerate.
3987         * config.in: Ditto.
3989 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3991         PR middle-end/53153
3992         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
3993         split out from ...
3994         (gimplify_switch_expr): ... here.
3995         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
3996         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
3997         to clean up case labels with values outside the index type range.
3998         (simplify_gimple_switch): Call it if something changed.
3999         Remove strange and unnecessary assert.
4001 2012-05-02  Richard Guenther  <rguenther@suse.de>
4003         * fold-const.c (div_if_zero_remainder): sizetypes no longer
4004         sign-extend.
4005         (int_const_binop_1): New worker for int_const_binop with
4006         overflowable parameter.  Pass it through to force_fit_type_double.
4007         (int_const_binop): Wrap around int_const_binop_1 with overflowable
4008         equal to one.
4009         (size_binop_loc): Call int_const_binop_1 with overflowable equal
4010         to minus one, forcing overflow detection for even unsigned types.
4011         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
4012         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
4013         * stor-layout.c (initialize_sizetypes): sizetypes no longer
4014         sign-extend.
4015         (layout_type): For zero-sized arrays ignore overflow on the
4016         size calculations.
4017         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
4018         (bit_value_binop_1): Likewise.
4019         * tree.c (double_int_to_tree): Likewise.
4020         (double_int_fits_to_tree_p): Likewise.
4021         (force_fit_type_double): Likewise.
4022         (host_integerp): Likewise.
4023         (int_fits_type_p): Likewise.
4024         * varasm.c (output_constructor_regular_field): Sign-extend the
4025         field-offset to cater for negative offsets produced by the Ada
4026         frontend.
4027         * omp-low.c (extract_omp_for_data): Convert the loop step to
4028         signed for pointer adjustments.
4030 2012-05-02  Richard Guenther  <rguenther@suse.de>
4032         * tree.c (valid_constant_size_p): New function.
4033         * tree.h (valid_constant_size_p): Declare.
4034         * cfgexpand.c (expand_one_var): Adjust check for too large
4035         variables by using valid_constant_size_p.
4036         * varasm.c (assemble_variable): Likewise.
4038         * c-decl.c (grokdeclarator): Properly check for sizes that
4039         cover more than half of the address-space.
4041 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
4043         PR tree-optimization/53163
4044         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
4045         return value from compute_all_dependences.
4047         PR rtl-optimization/53160
4048         * ree.c (combine_reaching_defs): Handle the case where cand->insn
4049         has been modified by ree pass already.
4051 2012-05-01  Ian Lance Taylor  <iant@google.com>
4053         PR c/37303
4054         * c-decl.c (build_compound_literal): Make the decl readonly if it
4055         an array of a readonly type.
4056         * gimplify.c (gimplify_compound_literal_expr): Add fallback
4057         parameter.  Change all callers.  If the decl is not addressable
4058         and is not an l-value, make it readonly.
4060 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
4062         * ira.c (allocated_reg_info_size): New static variable.
4063         (expand_reg_info): Manage it. Call
4064         setup_preferred_alternate_classes_for_new_pseudos.
4065         (ira): Don't do it here.  Remove local allocated_reg_info_size,
4066         set the global before calling find_moveable_pseudos.
4067         (find_moveable_pseudos): Call expand_reg_info rather than
4068         resize_reg_info.
4070 2012-05-01  Richard Henderson  <rth@redhat.com>
4072         * common.opt (fsync-libcalls): New.
4073         * doc/invoke.texi: Document it.
4074         * optabs.c (init_sync_libfuncs): Honor it.
4076 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
4077             Richard Sandiford  <r.sandiford@uk.ibm.com>
4079         PR rtl-optimization/52543
4080         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
4081         lower-subreg.h.
4082         * lower-subreg.h: New file.
4083         * target-globals.h (this_target_lower_subreg): Declare.
4084         (target_globals): Add lower_subreg;
4085         (restore_target_globals): Restore this_target_lower_subreg.
4086         * target-globals.c: Include it.
4087         (default_target_globals): Add default_target_lower_subreg.
4088         (save_target_globals): Initialize target_lower_subreg.
4089         * rtl.h (init_lower_subreg): Added declaration.
4090         * toplev.c (backend_init_target): Call initializer for lower-subreg
4091         pass.
4092         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
4093         (default_target_lower_subreg): New variable.
4094         (this_target_lower_subreg): Likewise.
4095         (twice_word_mode, choices): New macros.
4096         (shift_cost, compute_splitting_shift, compute_costs)
4097         (init_lower_subreg): New functions.
4098         (resolve_simple_move): Add speed_p argument.  Check choices.
4099         (find_pseudo_copy): Don't check the mode size here.
4100         (resolve_simple_move): Assert the mode size.
4101         (find_decomposable_shift_zext): Add speed_p argument and return
4102         a bool.  Check choices.
4103         (resolve_shift_zext): Add comment.
4104         (dump_shift_choices, dump_choices): New functions.
4105         (decompose_multiword_subregs): Dump list of profitable
4106         transformations.  Add code to skip non profitable transformations.
4107         Update calls to simple_move and find_decomposable_shift_zext.
4109 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
4110             Sameera Deshpande  <sameera.deshpande@arm.com>
4111             Greta Yorsh  <greta.yorsh@arm.com>
4113         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
4114         (thumb1_unexpanded_epilogue): ...this.
4115         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
4116         (thumb1_unexpanded_epilogue): ...this.
4117         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
4118         (thumb1_unexpanded_epilogue): ...this.
4120 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
4122         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
4123         comparing enumeration values.  Update comments.
4125 2012-05-01  Alan Modra  <amodra@gmail.com>
4127         PR target/53038
4128         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
4129         load_cr_save, add_crlr_cfa_restore): New functions.
4130         (rs6000_restore_saved_cr): Rename to..
4131         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
4132         (rs6000_emit_epilogue): Use new functions.  Adjust condition
4133         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
4134         regs when using out-of-line restore only when shrink wrapping.
4136 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4138         PR middle-end/53136
4139         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
4140         calls to cgraph_node_name in xstrdup.
4141         (ipa_make_edge_direct_to_target): Ditto.
4142         * cgraph.c (dump_cgraph_node): Ditto.
4143         * tree-sra.c (convert_callers_for_node): Ditto.
4144         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
4145         * ipa-cp.c (perhaps_add_new_callers): Ditto.
4146         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
4147         (cgraph_materialize_all_clones): Ditto.
4148         * ipa-inline.c (report_inline_failed_reason): Ditto.
4149         (want_early_inline_function_p): Ditto.
4150         (edge_badness): Ditto.
4151         (update_edge_key): Ditto.
4152         (flatten_function): Ditto.
4153         (ipa_inline): Ditto.
4154         (inline_always_inline_functions): Ditto.
4155         (early_inline_small_functions): Ditto.
4157 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4159         PR target/53141
4160         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
4161         constraints 0 and 1.
4163 012-04-30  Jan Hubicka  <jh@suse.cz>
4165         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
4166         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
4167         (cgraph_add_to_same_comdat_group): Remove.
4168         (cgraph_add_asm_node): Move to cgraphunit.c.
4169         (cgraph_make_decl_local): Move to symtab.c
4170         (cgraph_make_node_local_1): Update.
4171         (cgraph_can_remove_if_no_direct_calls_and): Update.
4172         (used_from_object_file_p): Update.
4173         (resolution_used_from_other_file_p): Move to symtab.c
4174         (cgraph_used_from_object_file_p): move to symtab.c
4175         (verify_cgraph_node): Verify same comdat groups.
4176         * cgraph.h (cgraph_asm_node): Rename to ...
4177         (asm_node): ... this one.
4178         (cgraph_asm_nodes): Rename to ...
4179         (asm_nodes): ... this one.
4180         (symtab_add_to_same_comdat_group): New function.
4181         (symtab_dissolve_same_comdat_group_list): New function.
4182         (symtab_used_from_object_file_p): Declare.
4183         (symtab_make_decl_local): Declare.
4184         (cgraph_add_to_same_comdat_group): Remove.
4185         (cgraph_add_asm_node): Remove.
4186         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
4187         Remove.
4188         (cgraph_finalize_compilation_unit): Rename to ...
4189         (finalize_compilation_unit): ... this one.
4190         (cgraph_optimize): Rename to ....
4191         (compile): ... this one.
4192         (add_asm_node): Declare.
4193         (fixup_same_cpp_alias_visibility): Declare.
4194         (cgraph_make_decl_local): Remove.
4195         (varpool_assemble_pending_decls): Rename to ...
4196         (varpool_output_variables): ... this one.
4197         (varpool_remove_unreferenced_decls): Remove.
4198         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
4199         (preserve_function_body_p): Make static.
4200         * toplev.c (compile_file): Update comments; update.
4201         * cgraphunit.c: Update comments.
4202         (cgraph_expand_all_functions): Rename to ...
4203         (expand_all_functions): ... this one; update.
4204         (cgraph_mark_functions_to_output): Rename to ...
4205         (mark_functions_to_output): ... this one; cleanup.
4206         (cgraph_output_pending_asms): Remove prototype.
4207         (asm_nodes, asm_last_node): New static vars.
4208         (cgraph_process_new_functions): Update.
4209         (cgraph_reset_node): Cleanup; add comment.
4210         (cgraph_add_new_function): Update.
4211         (cgraph_output_pending_asms): Rename to ...
4212         (output_asm_statements): ... this one.
4213         (add_asm_node): New function.
4214         (fixup_same_cpp_alias_visibility): New function based on code
4215         in cgraph_analyze_function.
4216         (cgraph_analyze_function): Use it.
4217         (cgraph_order_sort): Update.
4218         (cgraph_output_in_order): Update.
4219         (cgraph_function_versioning): Update.
4220         (cgraph_optimize): Rename to ...
4221         (compile): ... this one; initialize streamer hooks here.
4222         (cgraph_finalize_compilation_unit): Rename to ...
4223         (finalize_compilation_unit): ... this one; do not initialize streamer
4224         hook here.
4225         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
4226         * dwarf2out.c: Update ocmment.
4227         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
4228         * method.c (use_thunk): Likewise.
4229         * semantics.c (maybe_add_lambda_conv_op): Likewise.
4230         * decl2.c (maybe_emit_vtables): Likewise.
4231         (cp_write_global_declarations): Use finalize_compilation_unit.
4232         * parser.c (cp_parser_asm_definition): Use add_asm_node.
4233         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
4234         * c-decl.c (c_write_global_declarations): Use
4235         finalize_compilation_unit.
4236         * langhooks.c (write_global_declarations): Update.
4237         * ipa.c (cgraph_externally_visible_p): Update.
4238         (dissolve_same_comdat_group_list): Remove.
4239         (function_and_variable_visibility): Update.
4240         * symtab.c: Inlcude lto-streamer.h and rtl.h
4241         (ld_plugin_symbol_resolution_names): New.
4242         (symtab_add_to_same_comdat_group): New.
4243         (symtab_dissolve_same_comdat_group_list): New.
4244         (resolution_used_from_other_file_p): Move here from cgraph.c
4245         (symtab_used_from_object_file_p): New.
4246         (symtab_make_decl_local): New.
4247         * passes.c (register_pass): Update comments.
4248         * c-parser.c (c_parser_asm_definition): Update.
4249         * varpool.c (varpool_analyze_node): Use
4250         fixup_same_cpp_alias_visibility.
4251         (varpool_remove_unreferenced_decls): Make static.
4252         (varpool_assemble_pending_decls): Rename to ...
4253         (varpool_output_variables): ... this one; call
4254         varpool_remove_unreferenced_decls.
4255         (varpool_used_from_object_file_p): Remove.
4257 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
4259         PR c++/51033
4260         * c-typeck.c (build_array_ref): Call
4261         convert_vector_to_pointer_for_subscript.
4262         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
4264 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4266         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
4267         to compile-time "mode == <MODE>mode" checks.
4268         (and splitter): Ditto.
4270 2012-04-30  Richard Henderson  <rth@redhat.com>
4272         * config/arm/arm.md (UNSPEC_LL): New.
4273         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
4274         (arm_load_exclusivedi): Use %H0.
4276 2012-04-30  Jason Merrill  <jason@redhat.com>
4278         * dwarf2out.c (comdat_symbol_id): Add const.
4279         (union die_symbol_or_type_node): Add const to die_symbol.
4280         (output_die_symbol, output_die, output_comp_unit): Adjust.
4282 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
4284         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
4285         * config/arm/neon.md (negdi2_neon): New insn.
4286         Also add splitters for core and NEON registers.
4288 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
4290         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
4291         (arm_print_operand): Add 'x' format.
4292         * config/arm/constraints.md (Dn): Allow const_int.
4293         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
4294         Use 'x' format to print constants.
4295         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
4296         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
4297         is enabled.
4298         (movdi_vfp_cortexa8): Likewise.
4300 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
4301             Sameera Deshpande  <sameera.deshpande@arm.com>
4302             Greta Yorsh  <greta.yorsh@arm.com>
4304         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
4305         * config/arm/arm.c (ldm_stm_operation_p): New function.
4306         * config/arm/predicates.md (load_multiple_operation): Update predicate.
4307         (store_multiple_operation): Likewise.
4309         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
4310         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
4311         * config/arm/predicates.md (load_multiple_operation): Add arguments.
4312         (store_multiple_operation): Likewise.
4314 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4316         * config/i386/i386.md (and<mode>3): Expand masking operations with
4317         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
4318         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
4320 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
4322         Add -Wvarargs option
4323         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
4324         argument for the various warning_at calls.
4325         * docs/invoke.texi: Update the documentation.
4327 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
4329         Switch -ftrack-macro-expansion=2 on by default.
4330         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
4331         by default.
4333         Fix va_start related location
4334         * builtins.c (fold_builtin_next_arg): Unwinds to the first
4335         location in real source code.
4337         Make conversion warnings work on NULL with -ftrack-macro-expansion
4338         * input.h (expansion_point_location_if_in_system_header): Declare
4339         new function.
4340         * input.c (expansion_point_location_if_in_system_header): Define it.
4342         Fix -Wuninitialized for -ftrack-macro-expansion
4343         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
4344         declaration.  Use linemap_location_before_p for source locations.
4346         Strip "<built-in>" loc from displayed expansion context
4347         * input.c (expand_location_1): When expanding to spelling location
4348         in a context of a macro expansion, skip reserved system header
4349         locations.  Update comments.  * tree-diagnostic.c
4350         (maybe_unwind_expanded_macro_loc): Likewise.
4352         Make expand_location resolve to locus in main source file
4353         * input.c (expand_location_1): New.  Takes a parameter to choose
4354         whether to resolve the location to spelling or expansion point.
4355         Was factorized from ...
4356         (expand_location): ... here.
4357         (expand_location_to_spelling_point): New.  Implemented in terms of
4358         expand_location_1.
4359         * diagnostic.c (diagnostic_build_prefix): Use the new
4360         expand_location_to_spelling_point instead of expand_location.
4362         Fix PCH crash on GTYed pointer-to-scalar field of a struct
4363         * gengtype.c (write_types_process_field): Force second argument of
4364         the call to the PCH object hierarchy walker to be 'x'.
4366 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
4368         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
4369         predicate to discriminate types.
4371 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4373         * doc/invoke.texi (Wmissing-format-attribute): Document as an
4374         alias of Wsuggest-attribute=format.
4375         * c-typeck.c (convert_for_assignment): Replace
4376         Wmissing-format-attribute with Wsuggest-attribute=format.
4377         (digest_init): Likewise.
4379 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4381         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
4382         * common.opt (Wmissing-noreturn): Alias of
4383         -Wsuggest-attribute=noreturn.
4385 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
4387         PR target/53156
4388         * config/cris/cris.md (andqu): New peephole2.
4389         (andu): Tweak head comment.
4391 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4392             Steven Bosscher  <steven@gcc.gnu.org>
4393             Maxim Kuvyrkov  <maxim@codesourcery.com>
4395         PR tree-optimization/38785
4396         * common.opt (ftree-partial-pre): New option.
4397         * doc/invoke.texi: Document it.
4398         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
4399         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
4400         benefit speed path.
4401         (execute_pre): Use flag_tree_partial_pre.
4403 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4405         PR target/52999
4406         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
4407         in constant pool.
4409 2012-04-27  Ollie Wild  <aaw@google.com>
4411         * doc/invoke.texi (Wliteral-suffix): Document new option.
4413 2012-04-27  Tom Tromey  <tromey@redhat.com>
4415         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
4416         (dwarf_tag_name): Use get_DW_TAG_name.
4417         (dwarf_attr_name): Use get_DW_AT_name.
4418         (dwarf_form_name): Use get_DW_FORM_name.
4419         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
4421 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
4423         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
4424         arguments are -1 and 0, by negating the result of the conditional.
4426 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
4428         PR target/53138
4429         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
4431 2012-04-27  Richard Guenther  <rguenther@suse.de>
4433         * tree-flow.h (is_hidden_global_store): Remove.
4434         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
4435         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
4436         (stmt_may_clobber_global_p): Likewise.
4437         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
4438         (stmt_may_clobber_global_p): Likewise.
4439         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
4440         stmt_may_clobber_global_p.
4441         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
4443 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
4445         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
4446         place.
4448         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
4449         reorganize some fields and update comments.  Rename bit_test_uniq
4450         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
4451         (collect_switch_conv_info): New function, collects info about a
4452         GIMPLE_SWITCH into a struct switch_conv_info.
4453         (check_range): Simplify to use pre-recorded info.  Fix think-o in
4454         range-branch ratio check.
4455         (check_process_case): Remove function.
4456         (check_all_empty_except_final): New function, verifies that all
4457         non-final basic blocks are empty.
4458         (process_switch): Simplify to use pre-recorded info.  Call
4459         collect_switch_conv_info to do that.  Assert that degenerate switch
4460         statements have been cleaned up.
4462 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
4464         PR middle-end/27139
4465         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
4467 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4469         PR c/53130
4470         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
4472 2012-04-27  Tom de Vries  <tom@codesourcery.com>
4474         PR tree-optimization/51879
4475         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
4476         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
4477         of ...
4478         (defs_to_varying): ... here.  Don't set use_processed.
4479         (visit_reference_op_call): Handle gimple_vdef.
4480         Handle case that lhs is NULL_TREE.
4481         (visit_use): Use mark_use_processed.  Handle calls with side-effect
4482         using visit_reference_op_call.
4484 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
4486         * sched-deps.c (fixup_sched_groups): Rename to...
4487         (chain_to_prev_insn): ...this.
4488         (chain_to_prev_insn_p): New function.
4489         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
4491 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
4493         * sched-int.h (_haifa_insn_data): Move priority_status.
4494         Add model_index.
4495         (INSN_MODEL_INDEX): New macro.
4496         * haifa-sched.c (insn_delay): New function.
4497         (sched_regno_pressure_class): Update commentary.
4498         (mark_regno_birth_or_death): Pass the liveness bitmap and
4499         pressure array as arguments, instead of using curr_reg_live and
4500         curr_reg_pressure.  Only update the pressure if the bit in the
4501         liveness set has changed.
4502         (initiate_reg_pressure_info): Always trust the live-in set for
4503         SCHED_PRESSURE_MODEL.
4504         (initiate_bb_reg_pressure_info): Update call to
4505         mark_regno_birth_or_death.
4506         (dep_list_size): Take the list as argument.
4507         (calculate_reg_deaths): New function, extracted from...
4508         (setup_insn_reg_pressure_info): ...here.
4509         (MODEL_BAR): New macro.
4510         (model_pressure_data, model_insn_info, model_pressure_limit)
4511         (model_pressure_group): New structures.
4512         (model_schedule, model_worklist, model_insns, model_num_insns)
4513         (model_curr_point, model_before_pressure, model_next_priority):
4514         New variables.
4515         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
4516         (MODEL_INSN_INFO, MODEL_INSN): New macros.
4517         (model_index, model_update_limit_points_in_group): New functions.
4518         (model_update_limit_points, model_last_use_except): Likewise.
4519         (model_start_update_pressure, model_update_pressure): Likewise.
4520         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
4521         (model_excess_cost, model_dump_pressure_points): Likewise.
4522         (model_set_excess_costs): Likewise.
4523         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
4524         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
4525         schedule as an alternative tie-breaker.  Update the call to
4526         dep_list_size.
4527         (ready_sort): Call model_set_excess_costs.
4528         (update_register_pressure): Update call to mark_regno_birth_or_death.
4529         Rely on that function to check liveness rather than doing it here.
4530         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
4531         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
4532         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
4533         (model_record_pressure, model_record_pressures): New functions.
4534         (model_record_final_pressures, model_add_successors_to_worklist)
4535         (model_promote_predecessors, model_choose_insn): Likewise.
4536         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
4537         (model_start_schedule, model_finalize_pressure_group): Likewise.
4538         (model_end_schedule): Likewise.
4539         (schedule_insn): Say when we're scheduling the next instruction
4540         in the model schedule.
4541         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
4542         (queue_to_ready): Do not add instructions that are
4543         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
4544         Always allow the next instruction in the model schedule to be added.
4545         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
4546         and delay for SCHED_PRESSURE_MODEL too.
4547         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
4548         SCHED_PRIORITY_MODEL, but also take the DFA into account.
4549         (schedule_block): Call model_start_schedule and model_end_schedule.
4550         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
4551         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
4552         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
4553         region_ref_regs.
4554         (sched_finish): Update accordingly.
4555         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
4556         to SCHED_PRESSURE_MODEL.
4557         (add_jump_dependencies): Update call to dep_list_size.
4558         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
4559         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
4560         to SCHED_PRESSURE_MODEL.
4561         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
4562         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
4563         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
4564         handling to SCHED_PRESSURE_MODEL.
4566 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
4568         * common.opt (fsched-pressure-algorithm=): New option.
4569         * flag-types.h (sched_pressure_algorithm): New enum.
4570         * sched-int.h (sched_pressure_p): Replace with...
4571         (sched_pressure): ...this new variable.
4572         * haifa-sched.c (sched_pressure_p): Replace with...
4573         (sched_pressure): ...this new variable.
4574         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
4575         (update_reg_and_insn_max_reg_pressure, schedule_insn)
4576         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
4577         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
4578         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
4579         (sched_analyze_insn): Likewise.
4580         * sched-rgn.c (schedule_region): Likewise.
4581         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
4583 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
4585         * PR middle-end/52997
4586         * ira.c (find_moveable_pseudos): Call resize_reg_info.
4588         PR middle-end/52940
4589         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
4590         * expr.c (convert_move): Honor unsignedp when extending partial int
4591         modes.
4592         * genmodes.c (complete_mode): Don't clear component field of partial
4593         int modes.
4594         (emit_mode_inner): Don't emit it however.
4595         (calc_wider_mode): Partial int modes widen to their component.
4597 2012-04-26  David S. Miller  <davem@davemloft.net>
4599         * config/sparc/niagara4.md: New file.
4600         * config/sparc/sparc.md: Include it.
4601         * config/sparc/sparc.c (niagara4_costs): New processor costs.
4602         (sparc_option_override): Use it.
4603         (sparc_use_sched_lookahead): Return 2 for niagara4.
4604         (sparc_issue_rate): Likewise.
4606         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
4607         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
4608         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
4609         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
4610         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
4611         alignaddrldi_vis): Set type to gsr.
4612         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
4613         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
4614         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
4615         v<vis3_shift_patname><mode>3, fmean16_vis,
4616         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
4617         fucmp<code>8<P:mode>_vis): Set type to fga.
4618         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
4619         * config/sparc/niagara.md: Likewise.
4620         * config/sparc/niagara2.md: Likewise.
4621         * config/sparc/ultra3.md: Likewise, and fix type matching for
4622         us3_ialuX reservation.
4624 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4626         * reload.c (find_reloads): Change the loop nesting when trying an
4627         alternative with swapped operands.
4629 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4631         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
4632         comment. Delete unused parameter first_exp_point_map.
4633         (virt_loc_aware_diagnostic_finalizer): Update call.
4635 2012-04-26  Michael Hope  <michael.hope@linaro.org>
4636             Richard Earnshaw  <rearnsha@arm.com>
4638         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
4639         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
4640         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
4641         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
4643 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
4645         * doc/extend.texi: Document avx2 support.
4646         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
4648 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
4650         PR target/53120
4651         * config/cris/cris.md ("*andhi_lowpart_v32")
4652         ("*andqi_lowpart_v32"): Change first input-only operand from
4653         a (match_operand ...) to (match_dup 0).  Drop alternatives with
4654         const_int-matching constraints for redundancy.
4655         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
4656         three-operand alternative.
4658 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
4660         PR target/53110
4661         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
4662         instead expand it as zero extension.
4664 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4666         PR debug/52857
4667         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
4669 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
4671         * common.opt (flag_debug_types_section): Default to 0.
4672         (dwarf_version): Default to 4.
4673         (dwarf_record_gcc_switches): Default to 1.
4674         (dwarf_strict): Default to 0.
4675         * toplev.c (process_options): Don't handle dwarf_strict
4676         or dwarf_version here.
4677         * config/vxworks.c (vxworks_override_options): Don't
4678         test whether dwarf_strict or dwarf_version are negative,
4679         instead test !global_options_set.x_dwarf_*.
4680         * config/darwin.c (darwin_override_options): Default to
4681         dwarf_version 2.
4682         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
4683         and -fno-debug-types-section are now the default.
4685 2012-04-25  Jan Hubicka  <jh@suse.cz>
4687         * cgraphunit.c: Update toplevel comment.
4688         (tree_rest_of_compilation): Merge into cgraph_expand_function.
4689         (cgraph_analyze_function): Make static.
4690         (cgraph_decide_is_function_needed): Make static.
4691         (cgraph_add_new_function): Use expand_function instead of
4692         rest_of_compilation.
4693         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
4694         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
4695         Move to cgraph.c
4696         (cgraph_inline_p): Remove.
4697         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
4698         (init_cgraph): Add comment.
4699         * cgraphbuild.c (record_reference, mark_address, mark_load,
4700         mark_store): Do not call analyze_expr hook.
4701         * cgraph.c: Update toplevel comment.
4702         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
4703         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
4704         Move fere from cgraphunit.c
4705         (cgraph_mark_force_output_node): Move to cgraph.h
4706         * cgraph.h: Reorder so the comments match the function placement.
4707         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
4708         (cgraph_mark_force_output_node): Move here from cgraph.c
4709         * tree.c (free_lang_data): Do not clear analyze_expr hook.
4710         * ipa-inline-transform.c (preserve_function_body_p): New function.
4711         (inline_transform): Update.
4712         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
4713         * langhooks.h (lang_hooks_for_callgraph): Remove.
4714         (lang_hooks): Remove callgraph.
4715         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
4716         * varpool.c: Remove out of date comment.
4717         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
4718         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
4720 2012-04-25  Jan Hubicka  <jh@suse.cz>
4722         PR middle-end/53089
4723         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
4724         forward declaration.
4725         (cgraph_finalize_function): Finalize them here.
4726         * symtab.c (dump_symtab): Dump ctors and dtors.
4728 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
4730         PR middle-end/52979
4731         * stor-layout.c (get_best_mode): Don't return mode with bitsize
4732         larger than maxbits.  Don't compute maxbits modulo align.
4733         Also check that unit bytes long store at bitpos / unit * unit
4734         doesn't affect bits beyond bitregion_end.
4735         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
4736         would not fit into bitregion_start ... bitregion_end + 1 bit region.
4737         (store_split_bit_field): Decrease unit close to end of bitregion_end
4738         if access is restricted in order to avoid mutual recursion.
4740         PR tree-optimization/53058
4741         * double-int.h (double_int_max_value, double_int_min_value): New
4742         prototypes.
4743         * double-int.c (double_int_max_value, double_int_min_value): New
4744         functions.
4745         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
4746         or GT_EXPR with double_int_max_value instead of double_int_mask.
4748 2012-04-25  Richard Guenther  <rguenther@suse.de>
4750         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
4751         * tree-vect-loop.c (vect_transform_loop): Adjust.
4752         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
4753         the maximum number of iterations for the epilogue loop.
4754         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
4756 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
4758         PR c/52880
4759         * c-typeck.c (set_nonincremental_init,
4760         set_nonincremental_init_from_string): Pass true instead of false
4761         as IMPLICIT to add_pending_init.
4763 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4765         * c-typeck.c (pop_init_level): Improve diagnostics.
4767 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
4769         * compare-elim.c (try_eliminate_compare): Also handle operands with
4770         implicit extensions.
4772 2012-04-25  Alan Modra  <amodra@gmail.com>
4774         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
4775         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
4776         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
4777         (no_global_regs_above): Delete.
4778         (no_global_regs): New function.
4779         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
4780         value for load multiple test.
4781         (savres_routine_syms): Increase size.
4782         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
4783         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
4784         rather than a number of boolean flags.  Update all callers.
4785         (rs6000_savres_routine_name): Generate vector save/restore names.
4786         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
4787         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
4788         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
4789         and using_store_multiple.  Expand uses.  Don't always use r11 as
4790         frame reg when needed for out-of-line saves.  Set up initial offset
4791         for out-of-line vector saves when buying stack frame.  Handle pointer
4792         reg setup for out-of-line fp save.  Emit call to out-of-line vector
4793         save function.  Choose r11 or r12 for vrsave reg when available for
4794         better scheduling.
4795         (rs6000_output_function_prologue): Don't emit .extern for ELF.
4796         (rs6000_emit_epilogue): Choose a better frame reg when restoring
4797         from back-chain to suit out-of-line vector restore functions.  Emit
4798         call to out-of-line vector restore function.  Adjust register used
4799         for cr restore.  Tweak pointer register setup for gpr restore.
4800         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
4801         FIXED_R13.
4802         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
4803         (V_SAVE_INLINE): Define.
4804         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
4806 2012-04-25  Alan Modra  <amodra@gmail.com>
4808         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
4809         out-of-line save/restore for large frames.  Don't disable
4810         out-of-line saves on ABI_AIX when using static chain reg.
4811         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
4812         clobber static chain reg, and tweak for out-of-line gpr saves
4813         that use r1.
4815 2012-04-25  Alan Modra  <amodra@gmail.com>
4817         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
4818         (rs6000_emit_prologue): Use the above to catch register overlap.
4820 2012-04-25  Alan Modra  <amodra@gmail.com>
4822         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
4823         decl.  Move logic selecting update reg to callers.  Update all callers.
4824         (rs6000_emit_allocate_stack): Add copy_off param.
4825         (emit_frame_save): Don't handle reg+reg addressing.
4826         (ptr_regno_for_savres): New function, extracted from..
4827         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
4828         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
4829         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
4830         frame offset adjustment for out-of-line save with copy from sp.
4831         Simplify condition controlling whether cr is saved early or
4832         late.  Use ptr_regno_for_savres to verify correct reg is set
4833         up for out-of-line saves.  Pass the actual pointer reg used to
4834         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
4835         function.  Rearrange spe vars so code is similar to that
4836         elsewhere in this function.  Don't update frame_off when spe
4837         save code will restore r11.  Use emit_frame_save for spe and
4838         gpr saves.  Consolidate darwin out-of-line gpr setup with that
4839         for other abis.  Don't assume frame_offset is zero and frame
4840         reg is sp when setting up altivec reg saves, and calculate
4841         exact offset requirement.
4842         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
4843         spe restore code.  Consolidate darwin out-of-line gpr setup
4844         with that for other abis.
4846 2012-04-25  Alan Modra  <amodra@gmail.com>
4848         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
4849         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
4850         the replacement.
4851         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
4852         frame_reg_to_sp.
4853         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
4854         and emit_frame_save calls.  Cope with possibly missing note.
4856 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
4858         * config/i386/i386.c (build_processor_model_struct): New function.
4859         (make_var_decl): New function.
4860         (fold_builtin_cpu): New function.
4861         (ix86_fold_builtin): New function.
4862         (make_cpu_type_builtin): New function.
4863         (ix86_init_platform_type_builtins): New function.
4864         (ix86_expand_builtin): Expand new builtins by folding them.
4865         (ix86_init_builtins): Make new builtins to detect CPU type.
4866         (TARGET_FOLD_BUILTIN): New macro.
4867         (IX86_BUILTIN_CPU_INIT): New enum value.
4868         (IX86_BUILTIN_CPU_IS): New enum value.
4869         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
4870         * config/i386/i386-builtin-types.def: New function type.
4871         * testsuite/gcc.target/builtin_target.c: New testcase.
4872         * doc/extend.texi: Document builtins.
4874 2012-04-24  Olivier Hainque  <hainque@adacore.com>
4876         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
4877         * toplev.c (process_options): Default to dwarf_version 2.
4878         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
4879         and dwarf_version 2.
4881 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4883         * tree-pretty-print.h (default_tree_printer): Do not declare.
4884         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
4885         intl.h.
4886         (default_tree_diagnostic_starter): Make static.
4887         (default_tree_printer): Move to here. Make static.
4888         (tree_diagnostics_defaults): New.
4889         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
4890         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
4891         * toplev.c: Do not include tree-pass.h.
4892         (default_tree_printer): Move from here.
4893         (general_init): Use tree_diagnostics_defaults.
4895 2012-04-24  Chao-ying Fu  <fu@mips.com>
4897         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
4898         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
4899         * config/mips/gnu-user.h
4900         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
4901         (GNU_USER_TARGET_LINK_SPEC): New define.
4902         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4903         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
4904         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
4905         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
4906         GNU_USER_TARGET_ENDFILE_SPEC.
4907         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
4908         (GNU_USER_TARGET_LINK_SPEC): New define.
4909         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4910         * config/mips/linux-common.h: New file.
4912 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4914         PR target/47197
4915         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
4916         (altivec_build_resolved_builtin): Call fully_fold_convert.
4918 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
4920         PR target/53065
4921         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
4923 2012-04-24  Richard Guenther  <rguenther@suse.de>
4925         PR tree-optimization/53085
4926         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
4927         stores.
4929 2012-04-24  Richard Guenther  <rguenther@suse.de>
4931         * tree-if-conv.c (main_tree_if_conversion): Move bb under
4932         ENABLE_CHECKING.
4934 2012-04-24  Jim Meyering  <meyering@redhat.com>
4936         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
4937         absence of an define_enum call.
4939 2012-04-24  Richard Guenther  <rguenther@suse.de>
4941         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
4942         the epilogue loop is not re-used as unvectorized version
4943         record the its maximum number of iterations.
4945 2012-04-24  Andrew Pinski  <apinski@cavium.com>
4947         * tree-ssa-forwprop.c (simplify_bitwise_binary):
4948         Don't directly use def1/def2.
4950 2012-04-24  Richard Guenther  <rguenther@suse.de>
4952         PR tree-optimization/53098
4953         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
4954         comparison sign.
4956 2012-04-24  Andrew Pinski  <apinski@cavium.com>
4958         PR tree-opt/33512
4959         * tree-ssa-forwprop.c (defcodefor_name): New function.
4960         (simplify_bitwise_binary): Use defcodefor_name instead of manually
4961         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
4962         Simplify "(~X | Y) & X" to "X & Y" and
4963         "(~X & Y) | X" to "X | Y".
4965 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4967         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
4968         validate_change to add clobbers if IN_GROUP is nonzero.
4969         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
4970         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
4971         prototype.
4972         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
4973         set to false.
4974         * config/s390/s390.c (insn_invalid_p): Likewise.
4976 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
4978         PR middle-end/53084
4979         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
4980         (output_addressed_constants): Likewise.
4982         PR middle-end/52999
4983         * varasm.c (get_section): Don't ICE for section conflicts with
4984         built-in section kinds.
4986 2012-04-23  DJ Delorie  <dj@redhat.com>
4988         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
4989         (LIBSTDCXX): Change to CPP2.
4991 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
4993         PR bootstrap/52878
4994         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
4995         extra_masks.
4997 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
4999         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
5000         (*addsi_2_zext): Ditto.
5001         (*add<mode>_3): Ditto.
5002         (*addsi_3_zext): Ditto.
5003         (*add<mode>_5): Ditto.
5005 2012-04-23  Andrew Pinski  <apinski@cavium.com>
5007         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
5008         (C & B) to (A OP0) & B.
5010 2012-04-23  Martin Jambor  <mjambor@suse.cz>
5012         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
5013         temporaries created for a bitfield (reverting revision 122014).
5015 2012-04-23  Richard Guenther  <rguenther@suse.de>
5017         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
5018         the condition using is_gimple_condexpr and avoid the not necessary
5019         boolification.
5020         (set_prologue_iterations): Likewise.
5021         (vect_loop_versioning): Likewise.
5023 2012-04-23  Richard Guenther  <rguenther@suse.de>
5025         PR tree-optimization/53070
5026         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
5027         (main_tree_if_conversion): Verify we succeeded in that.
5029 2012-04-23  Jan Hubicka  <jh@suse.cz>
5031         * lto-symtab.c (lto_cgraph_replace_node): Do not call
5032         mark_reahcable_node.
5033         * cgraph.c (cgraph_remove_node): Do not clear reachable.
5034         (cgraph_mark_reachable_node): Remove.
5035         (cgraph_mark_force_output_node): Do not set reachable.
5036         (dump_cgraph_node): Do not dump reachable.
5037         (cgraph_create_virtual_clone): Do not set reachable.
5038         * cgraph.h (cgraph_node): Remove reachable flag.
5039         (varpool_node): Remove reachable flag.
5040         (cgraph_mark_if_needed): Remove.
5041         (cgraph_mark_reachable_node): Remove.
5042         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
5043         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
5044         reachable.
5045         (cgraph_add_new_function): Likewise.
5046         (cgraph_mark_if_needed): Remove.
5047         (cgraph_analyze_function): Do not set target as reachable.
5048         (process_function_and_variable_attributes): Do not care about
5049         dllexport.
5050         (cgraph_analyze_functions): Do not set reachable flags.
5051         (cgraph_mark_functions_to_output): Do not check reachability.
5052         (cgraph_copy_node_for_versioning): Do not set reachable flag.
5053         (dbxout_expand_expr): Update.
5054         * c-decl.c (merge_decls): Do not track changed externs.
5055         * ipa.c: Include pointer-set.h
5056         (enqueue_cgraph_node): Use reachable pointer set.
5057         (process_references): Likewise.
5058         (cgraph_remove_unreachable_nodes): Likewise.
5059         (whole_program_function_and_variable_visibility): Do not recompute
5060         reachable.
5061         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
5063 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
5065         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
5067 2012-04-23  Richard Guenther  <rguenther@suse.de>
5069         PR c/53060
5070         * c-typeck.c (build_binary_op): Fix typo.
5072 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
5074         PR tree-optimizations/52891
5075         * tree-vect-patterns.c (adjust_bool_pattern): Use
5076         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
5077         but with non-standard precision.
5079 2012-04-22  Jan Hubicka  <jh@suse.cz>
5081         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
5082         tree refs.
5084 2012-04-22  Jan Hubicka  <jh@suse.cz>
5086         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
5087         * cgraphbuild.c (record_reference, record_type_list, mark_address,
5088         mark_load, mark_store): Do not mark varpool nodes as needed.
5089         * cgraph.c (cgraph_new_nodes): Remove.
5090         (cgraph_create_function_alias): Do not mark nodes as reachable.
5091         (cgraph_add_thunk): Likewise.
5092         (cgraph_mark_reachable_node): Do not manage the queue.
5093         * cgraph.h (cgraph_node): Remove next_needed.
5094         (varpool_nodes_queue): Remove next_needed and prev_needed.
5095         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
5096         (cgraph_new_nodes): Declare.
5097         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
5098         (varpool_analyze_pending_decls): Remove.
5099         (varpool_analyze_node): New.
5100         (varpool_mark_needed_node): Remove.
5101         (varpool_first_variable, varpool_next_variable): New inlines.
5102         (varpool_first_static_initializer, varpool_next_static_initializer):
5103         Update.
5104         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
5105         (varpool_first_defined_variable): New inline.
5106         (varpool_next_defined_variable): New inline
5107         (FOR_EACH_VARIABLE): Reimplement.
5108         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
5109         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
5110         needed flag.
5111         * cgraphunit.c (cgraph_new_nodes): Declare here.
5112         (enqueue_node): New function.
5113         (cgraph_process_new_functions): update for new
5114         node set; when constructing cgraph enqueue node for processing.
5115         (cgraph_add_new_function): Use new node set.
5116         (process_function_and_variable_attributes): Do not set varpool needed
5117         flags.
5118         (referred_to_p): New function.
5119         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
5120         when varpool is in construction.
5121         (cgraph_analyze_functions): Rewrite.
5122         (cgraph_expand_all_functions): Update.
5123         (cgraph_output_in_order): Do not analyze pending decls; do not set
5124         needed flags.
5125         (cgraph_optimize): Do not analyze pending decls.
5126         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
5127         in other partition; do not mark node as needed.
5128         * dwarf2out.c (reference_to_unused): Use analyzed flag.
5129         (premark_types_used_by_global_vars_helper): Likewise.
5130         * ipa.c (process_references): Do not call varpool_mark_needed_node.
5131         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
5132         cgrpah queues.
5133         (function_and_variable_visibility): Do not mark node as needed.
5134         (whole_program_function_and_variable_visibility): Likewise.
5135         * Makefile.in (gt-varpool.h): No longer needed.
5136         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
5137         (ipa_write_summaries): Do not use needed flag.
5138         * varpool.c: Do not include gt-varpool.h
5139         (x_varpool_nodes_queue, x_varpool_last_needed_node,
5140         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
5141         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
5142         Remove.
5143         (varpool_remove_node): Do not update the lists.
5144         (dump_varpool_node): Do not dump needed flag.
5145         (varpool_enqueue_needed_node): Remove.
5146         (varpool_mark_needed_node): Remove.
5147         (varpool_reset_queue): Remove.
5148         (varpool_finalize_decl): Move to cgraphunit.c
5149         (varpool_analyze_node): New functions based on former
5150         varpool_analyze_pending_decls.
5151         (varpool_analyze_pending_decls): Remove.
5152         (varpool_assemble_decl): Do not update the lists.
5153         (enqueue_node): New function.
5154         (varpool_remove_unreferenced_decls): Rewrite.
5155         (varpool_empty_needed_queue): Remove.
5156         (add_new_static_var): Do not mark node as needed.
5157         (varpool_create_variable_alias): Handle expansion state
5158         creation.
5159         * except.c (output_ttype): Do not mark node as needed.
5160         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
5161         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
5162         Likewise.
5163         * tree-switch-conversion.c (build_one_array): Likewise.
5165 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5167         PR c/44774
5168         * doc/invoke.texi (pedantic): Rename to Wpedantic.
5169         * common.opt (Wpedantic): New.
5170         (pedantic): Alias Wpedantic.
5171         * diagnostic.c (warning_at): Likewise.
5172         * c-decl.c (diagnose_mismatched_decls): Likewise.
5173         (build_array_declarator): Likewise.
5174         (mark_forward_parm_decls):
5175         (check_bitfield_type_and_width): Likewise.
5176         (grokdeclarator): Likewise.
5177         (grokfield): Likewise.
5178         (finish_struct): Likewise.
5179         (build_enumerator): Likewise.
5180         (store_parm_decls_oldstyle): Likewise.
5181         (declspecs_add_qual): Likewise.
5182         (declspecs_add_type): Likewise.
5183         (finish_declspecs): Likewise.
5184         * c-typeck.c (composite_type): Likewise.
5185         (comp_target_types): Likewise.
5186         (build_array_ref): Likewise.
5187         (pointer_diff): Likewise.
5188         (build_unary_op): Likewise.
5189         (build_conditional_expr): Likewise.
5190         (build_c_cast): Likewise.
5191         (convert_for_assignment): Likewise.
5192         (maybe_warn_string_init): Likewise.
5193         (digest_init): Likewise.
5194         (pop_init_level): Likewise.
5195         (set_init_index): Likewise.
5196         (c_finish_goto_label): Likewise.
5197         (c_finish_return): Likewise.
5198         (do_case): Likewise.
5199         (build_binary_op): Likewise.
5200         * c-parser.c (static): Likewise.
5201         (c_parser_external_declaration): Likewise.
5202         (c_parser_declaration_or_fndef): Likewise.
5203         (c_parser_static_assert_declaration_no_se): Likewise.
5204         (c_parser_enum_specifier): Likewise.
5205         (c_parser_struct_or_union_specifier): Likewise.
5206         (c_parser_struct_declaration): Likewise.
5207         (c_parser_alignas_specifier): Likewise.
5208         (c_parser_braced_init): Likewise.
5209         (c_parser_initelt): Likewise.
5210         (c_parser_compound_statement_nostart): Likewise.
5211         (c_parser_conditional_expression): Likewise.
5212         (c_parser_alignof_expression): Likewise.
5213         (c_parser_postfix_expression): Likewise.
5214         (c_parser_postfix_expression_after_paren_): Likewise.
5215         (c_parser_objc_class_instance_variables): Likewise.
5216         (c_parser_objc_method_definition): Likewise.
5217         (c_parser_objc_methodprotolist): Likewise.
5219 2012-04-22  Ian Lance Taylor  <iant@google.com>
5221         * godump.c (go_output_typedef): Dump size of structs.
5223 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
5225         Correcting transform_to_exit_first_loop + fix to PR46886
5226         * tree-parloops.c (transform_to_exit_first_loop): Remove
5227         setting of number of iterations according to the loop pattern.
5228         Duplicate from entry to exit->src instead of loop->latch.
5229         (pallelize_loops): Remove the condition preventing do-while loops.
5230         * tree-cfg.c (bool bb_in_region_p): New.
5231         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
5232         Adjust redirection of the duplicated iteration.
5234 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
5236         PR bootstrap/53021
5237         * rtl.def (ADDRESS): Use "i" rather than "w".
5238         * rtl.h (find_base_term): Delete.
5239         (may_be_sp_based_p): Declare.
5240         * rtl.c (rtx_code_size): Remove ADDRESS special case.
5241         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
5242         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
5243         * alias.c: ...here.
5244         (find_base_term): Make static.
5245         (may_be_sp_based_p): New function.
5246         * dse.c (record_store): Use it.
5247         * store-motion.c (store_killed_in_insn): Likewise.
5249 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
5251         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
5253 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5255         PR 35441
5256         * c-typeck.c (inform_declaration): New.
5257         (build_function_call_vec):  Do not pretty-print
5258         expressions when caret is enabled.
5259         (convert_arguments): Use inform_declaration.
5261 2012-04-20  Jim Meyering  <meyering@redhat.com>
5263         * genmodes.c (make_complex_modes): Don't truncate a mode name of
5264         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
5266 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5268         PR rtl-optimization/44214
5269         * fold-const.c (exact_inverse): New function.
5270         (fold_binary_loc): Fold vector and complex division by constant into
5271         multiply by recripocal with flag_reciprocal_math; fold vector division
5272         by constant into multiply by reciprocal with exact inverse.
5274 2012-04-20  Jan Hubicka  <jh@suse.cz>
5276         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
5277         force flags.
5278         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
5279         (cgraph_remove_node): Update.
5280         (cgraph_mark_needed_node): Remove.
5281         (cgraph_mark_force_output_node): New.
5282         (dump_cgraph_node): Do not dump needed flag.
5283         (cgraph_node_cannot_be_local_p_1): Update.
5284         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
5285         * cgraph.h (symtab_node_base): Add force_output flag.
5286         (cgraph_node): Remove needed flag.
5287         (varpool_node): Remove force_output flag.
5288         (cgraph_mark_needed_node): Remove.
5289         (cgraph_mark_force_output_node): New.
5290         (cgraph_only_called_directly_or_aliased_p,
5291         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
5292         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
5293         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
5294         (cgraph_add_new_function): Update.
5295         (cgraph_mark_if_needed): Update.
5296         (verify_cgraph_node): Update.
5297         (cgraph_analyze_function): Alias target is reachable.
5298         (process_function_and_variable_attributes): Update: externally_visible
5299         flag makes function reachable.
5300         (cgraph_analyze_functions): Update dumping.
5301         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
5302         input_overwrite_node, input_varpool_node): Update streaming.
5303         * lto-streamer-out.c (produce_symtab): Use force_output.
5304         * ipa.c (process_references): Weakrefs must be processed.
5305         (cgraph_remove_unreachable_nodes): Likewise; update for new
5306         force_output flag.
5307         (varpool_externally_visible_p): Weakrefs are externally visible
5308         even if they are not.
5309         (function_and_variable_visibility): Update; when processing alias
5310         pair force the targets to be output.
5311         (whole_program_function_and_variable_visility): Use
5312         mark_reachable_node.
5313         * trans-mem.c (ipa_tm_mark_needed_node): Remove
5314         (ipa_tm_mark_force_output_node): New function.
5315         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
5316         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
5317         aliases.
5318         * varasm.c (mark_decl_referenced): Update.
5319         (find_decl_and_mark_needed): Remove.
5320         (find_decl): New function.
5321         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
5322         alias targets as needed.
5323         (dump_tm_clone_pairs): Update.
5324         * tree-inline.c (copy_bb): Update check.
5325         * symtab.c (dump_symtab_base): Dump force_output.
5326         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
5327         * passes.c (execute_todo): Fix dumping.
5328         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
5329         (varpool_analyze_pending_decls): Alias target is reachable.
5330         (varpool_create_variable_alias): Finalize weakrefs.
5332 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
5334         PR bootstrap/53021
5335         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
5336         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
5337         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
5338         macros instead of constants.
5339         * dse.c (record_store): Check for SP ADDRESS by comparing
5340         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
5341         XEXP to be stack_pointer_rtx.
5343 2012-04-20  Richard Guenther  <rguenther@suse.de>
5345         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
5346         update_call_from_tree when propagating into a call.
5348 2012-04-20  Alan Modra  <amodra@gmail.com>
5350         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
5351         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
5352         sp_offset to frame_off.  Move world save code earlier.
5354 2012-04-20  Richard Guenther  <rguenther@suse.de>
5356         PR tree-optimization/53050
5357         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
5358         Do only one transform on COND_EXPRs at the same time.
5360 2012-04-19  Jan Hubicka  <jh@suse.cz>
5362         * symtab.c (dump_symtab_base): Revert accidental checkin.
5364 2012-04-20  Alan Modra  <amodra@gmail.com>
5366         PR target/53040
5367         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
5368         static chain, set REST_INLINE_FPRS too.
5370 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
5372         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
5373         nodes.
5375 2012-04-20  Richard Guenther  <rguenther@suse.de>
5377         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
5378         loops that can never run more often than the vectorization factor.
5380 2012-04-19  Jan Hubicka  <jh@suse.cz>
5382         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
5384 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
5386         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
5388 2012-04-19  Jim Meyering  <meyering@redhat.com>
5390         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
5391         We verified above that the string(including trailing NUL) fits in buf,
5392         so just use memcpy.
5394 2012-04-19  Richard Guenther  <rguenther@suse.de>
5396         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
5397         for dumping DECL_SECTION_NAME.
5399 2012-04-19  Michael Matz  <matz@suse.de>
5401         PR middle-end/52977
5402         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
5403         (struct tree_vector): Adjust GTY length.
5404         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
5406         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
5407         members.
5408         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
5409         caller emitted the length calulation already.
5410         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
5411         before handling any of the fields for structs.
5413 2012-04-19  Richard Guenther  <rguenther@suse.de>
5415         PR tree-optimization/53031
5416         * tree-vrp.c (adjust_range_with_scev): Revert back to
5417         using max_loop_iterations.
5419 2012-04-19  Michael Matz  <matz@suse.de>
5421         * diagnostic.c (emit_diagnostic): Move va_end call after user
5422         of the va_list.
5423         (warning, warning_at, pedwarn, permerror): Ditto.
5425 2012-04-19  Richard Guenther  <rguenther@suse.de>
5427         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
5428         array access.
5430 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
5432         PR target/53033
5433         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
5434         the case *(X+const).
5436 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5438         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
5440 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5442         PR c/52283/37985
5443         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
5444         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
5446 2012-04-19  Richard Guenther  <rguenther@suse.de>
5448         PR rtl-optimization/44688
5449         * loop-iv.c (determine_max_iter): Only return max_iter.
5450         (iv_number_of_iterations): Also use the recorded loop bound
5451         on the maximum number of iterations.
5452         * loop-unroll.c (decide_unroll_runtime_iterations): Use
5453         max_iter to avoid unrolling loops that do not roll.
5454         (decide_unroll_stupid): Likewise.
5456 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
5458         * targhooks.c (default_case_values_threshold): Fix code style nit.
5460         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
5461         case range and type folding from here...
5462         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
5463         type, as documented in tree.def.
5465 2012-04-18  Jan Hubicka  <jh@suse.cz>
5467         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
5468         Declare.
5469         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
5470         cgraph hash and same comdat groups.
5471         (cgraph_optimize): Verify symbol table.
5472         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
5473         (dissolve_same_comdat_group_list): Work on symtab nodes.
5474         (function_and_variable_visibility): Dissolve variable same comdat group
5475         lists, too.
5476         * symtab.c: Include timevar.h
5477         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
5479 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
5481         * tree-switch-conversion.c (info): Remove global pass info.
5482         (check_range, check_process_case, check_final_bb, create_temp_arrays,
5483         free_temp_arrays, gather_default_values, build_constructors,
5484         array_value_type, build_one_array, build_arrays, gen_def_assigns,
5485         fix_phi_nodes, gen_inbound_check): Pass info around from ...
5486         (process_switch): ... here.  Unify message format.  Return a const
5487         char pointer to the failure reason message.
5488         (do_switchconv): Unify message format.  Update process_switch usage.
5490         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
5491         * tree-cfg.c (edge_to_cases): Fix documentation.
5493 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
5495         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
5497 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5499         PR tree-optimization/52976
5500         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
5501         (possibly_move_powi): New function.
5502         (rewrite_expr_tree): Call possibly_move_powi.
5503         (rewrite_expr_tree_parallel): Likewise.
5504         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
5505         call add_to_ops_vec instead.
5507 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5509         PR tree-optimization/52976
5510         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
5511         (decrement_power): Likewise.
5512         (propagate_op_to_single_use): Likewise.
5513         (zero_one_operation): Handle __builtin_pow* calls in linearized
5514         expression trees; factor logic into propagate_op_to_single_use.
5515         (undistribute_ops_list): Allow operands with repeat counts > 1.
5517 2012-04-18  Richard Guenther  <rguenther@suse.de>
5519         PR tree-optimization/44688
5520         * cfgloop.h (record_niter_bound): Declare.
5521         * tree-ssa-loop-niter.c (record_niter_bound): Export.
5522         Update the estimation with the upper bound here...
5523         (estimate_numbers_of_iterations_loop): ... instead of here.
5524         Do not forcefully reset a recorded upper bound.
5525         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
5526         Record the maximum number of loop iterations of the prologue loop.
5528 2012-04-18  Jan Hubicka  <jh@suse.cz>
5530         * lto-symtab.c (lto_cgraph_replace_node): Update.
5531         * cgraphbuild.c (record_reference, record_type_list,
5532         record_eh_tables, mark_address, mark_load, mark_store): Update.
5533         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
5534         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
5535         Update.
5536         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
5537         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
5538         * reload.c: Fix typo in comment.
5539         * rtlanal.c: Likewise.
5540         * tree-emultls.c (gen_emutls_addr): Update.
5541         * ipa-reference.c (analyze_function): Update.
5542         * cgraphunit.c (cgraph_analyze_function,
5543         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
5544         Update.
5545         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
5546         (ipa_remove_reference): Likewise.
5547         (ipa_remove_all_refering): Rename to ...
5548         (ipa_remove_all_referring): ... this one; update.
5549         (ipa_dump_references): Update.
5550         (ipa_dump_referring): Update.
5551         (ipa_clone_references): Update.
5552         (ipa_clone_refering): Rename to ...
5553         (ipa_clone_referring): ... this one; update.
5554         (ipa_ref_cannot_lead_to_return): Update.
5555         (ipa_ref_has_aliases_p): Update.
5556         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
5557         forward typedefs.
5558         (ipa_ref_type): Remove.
5559         (ipa_ref_ptr_u): Remove.
5560         (ipa_ref): Remove referencing, refered, refered_index, refering_type
5561         and refered_type; add referring, referred and referred_index.
5562         (ipa_ref_list): Rename refering to referring.
5563         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
5564         ipa_clone_references, ipa_clone_referring): Update prototypes.
5565         * lto-cgraph.c (referenced_from_other_partition_p): Update.
5566         (lto_output_ref): Update.
5567         (add_references): Update.
5568         (input_varpool_node): Update.
5569         (input_refs): Update.
5570         * ipa-ref-inline.h (ipa_ref_node): Update.
5571         (ipa_ref_varpool_node): Update.
5572         (ipa_ref_referring_node): Update.
5573         (ipa_ref_referring_varpool_node): Update.
5574         (ipa_ref_referring_ref_list): Update.
5575         (ipa_ref_referred_ref_list): Update.
5576         (ipa_ref_list_first_referring): Update.
5577         (ipa_empty_ref_list): Update.
5578         (ipa_ref_list_refering_iterate): Rename to ...
5579         (ipa_ref_list_referring_iterate): ... this one.
5580         * cse.c: Update comment.
5581         * ipa-utils.c (ipa_reverse_postorder): Update.
5582         * tree-ssa-alias.c: Update.
5583         * ipa-inline.c (reset_edge_caches): Update.
5584         (update_caller_keys): Update.
5585         * ipa-inline.h: Update comments.
5586         * jump.c: Update comment.
5587         * alias.c: Likewise.
5588         * ipa.c (process_references): Update.
5589         (cgraph_remove_unreachable_nodes): Likewise.
5590         (ipa_discover_readonly_nonaddressable_var): Likewise.
5591         (cgraph_address_taken_from_non_vtable_p): Likewise.
5592         * trans-mem.c (ipa_tm_execute): Update.
5593         * simplify-rtx.c: Fix comment.
5594         * rtl.c: Fix comment.
5595         * symtab.c (symtab_unregister_node): Update.
5596         * varpool.c (dump_varpool_node): Update.
5597         (varpool_analyze_pending_decls): Update.
5598         (assemble_aliases): Update.
5599         (varpool_for_node_and_aliases): Update.
5601 2012-04-18  Richard Guenther  <rguenther@suse.de>
5603         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
5604         use_undefined_p parameter.
5605         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
5606         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
5607         Likewise.
5608         (estimate_numbers_of_iterations): Likewise.
5609         (estimated_loop_iterations): Adjust.
5610         (max_loop_iterations): Likewise.
5611         (scev_probably_wraps_p): Likewise.
5612         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
5613         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
5614         not max_loop_iterations.
5615         (execute_vrp): Remove explicit number of iterations estimation.
5617 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
5619         * config/i386/linux-common.h: New.
5621         * config.gcc: Add i386/linux-common.h before
5622         all i386/linux.h and i386/linux64.h usages.
5624         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
5625         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
5626         * config/i386/gnu-user64.h: Likewise.
5628         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
5629         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
5630         (GNU_USER_TARGET_MATHFILE_SPEC): New.
5631         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
5633 2012-04-18  Jan Hubicka  <jh@suse.cz>
5635         * cgraph.c (cgraph_node_name): Remove.
5636         (dump_cgraph_node): Use dump_symtab_base; reformat.
5637         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
5638         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
5639         Declare.
5640         (cgraph_node_name, varpool_node_name): Remove.
5641         (cgraph_node_asm_name, varpool_node_asm_name,
5642         cgraph_node_name, varpool_node_name): New.
5643         * tree-pass.h (TODO_dump_cgraph): Rename to ...
5644         (TODO_dump_symtab): ... this one.
5645         * ipa-cp (pass_ipa_cp): Update.
5646         * ia-reference.c (generate_summary, read_write_all_from_decl,
5647         propagate, ipa_reference_read_optimization_summary): Update.
5648         * cgraphunit.c (cgraph_analyze_functions): Update.
5649         (cgraph_optimize): Update.
5650         * ipa-ref.c (ipa_dump_references): Update.
5651         (ipa_dump_refering): Update.
5652         * ipa-inline.c (pass_ipa_inline): Update.
5653         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
5654         * ipa.c (pass_ipa_function_visibility,
5655         pass_ipa_whole_program_visibility): Update.
5656         * tree-sra.c (pass_early_ipa_sra): Update.
5657         * symtab.c: Include langhooks.h
5658         (symtab_node_asm_name): New.
5659         (symtab_node_name): New.
5660         (symtab_type_names): New static var.
5661         (dump_symtab_base): New.
5662         (dump_symtab_node, dump_symtab): New.
5663         (debug_symtab_node,  debug_symtab): New.
5664         * tree-ssa-structalias.c: Dump symbol table.
5665         * pases.c (execute_todo): Handle TODO_dump_symtab instead
5666         of TODO_dump_cgraph.
5667         * varpoo.c (varpool_node_name): Remove.
5668         (dump_varpool_node): Use dump_symtab_base; reformat.
5670 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5672         * doc/invoke.texi (Language Independent Options): @item should be
5673         before @opindex.
5675 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
5677         PR bootstrap/53021
5678         * rtl.c (rtx_code_size): Handle ADDRESS.
5680 2012-04-17  Tom de Vries  <tom@codesourcery.com>
5682         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
5683         is not a STMT_LIST.
5685 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
5687         PR target/53020
5688         * config/i386/sync.md (atomic_<code><mode>): Rename to
5689         atomic_<logic><mode>.
5691 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
5693         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
5694         * alias.c (reg_base_value): Expand and update comment.
5695         (arg_base_value): New variable.
5696         (unique_id): Move up file.
5697         (unique_base_value, unique_base_value_p, known_base_value_p): New.
5698         (find_base_value): Use arg_base_value and known_base_value_p.
5699         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
5700         (find_base_term): Use known_base_value_p.
5701         (base_alias_check): Use unique_base_value_p.
5702         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
5703         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
5705 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
5707         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
5709 2012-04-17  Michael Matz  <matz@suse.de>
5711         PR tree-optimization/18437
5712         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
5713         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
5714         (vect_check_strided_load): Declare.
5715         * tree-vect-data-refs.c (vect_check_strided_load): New function.
5716         (vect_analyze_data_refs): Use it to accept strided loads.
5717         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
5719 2012-04-17  Richard Guenther  <rguenther@suse.de>
5721         PR middle-end/53011
5722         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
5723         loops when redirecting an entry or latch edge.
5725 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
5727         * sel-sched.c (sel_global_init): Revert previous change.
5729 2012-04-17  Richard Guenther  <rguenther@suse.de>
5731         * tree-flow.h (array_at_struct_end_p): Move declaration ...
5732         * tree.h (array_at_struct_end_p): ... here.
5733         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
5734         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
5736 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
5738         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
5739         COST_TABLE): Remove.
5740         (estimate_case_costs): Remove.
5741         (expand_case): Do not call estimate_case_costs
5742         to set use_cost_table.
5743         (balance_case_nodes): Do not use use_cost_table.
5745 2012-04-16  Jan Hubicka  <jh@suse.cz>
5747         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
5748         (hash_node, eq_node): Remove.
5749         (cgraph_create_node): Do not handle hashtable.
5750         (cgraph_get_node): Remove.
5751         (cgraph_insert_node_to_hashtable): Remove.
5752         (hash_node_by_assembler_name): Remove.
5753         (eq_assembler_name): Remove.
5754         (cgraph_node_for_asm): Rewrite.
5755         (cgraph_find_replacement_node): Break out from ...
5756         (cgraph_remove_node): ... here; do not maintain hashtables.
5757         (change_decl_assembler_name): Remove.
5758         (cgraph_clone_node): Do not maintain hashtables.
5759         * cgraph.h (const_symtab_node): New typedef.
5760         (cgraph_insert_node_to_hashtable): Remove.
5761         (symtab_get_node, symtab_node_for_asm,
5762         symtab_insert_node_to_hashtable): Declare.
5763         (cgraph_find_replacement_node): Declare.
5764         (cgraph_get_node, varpool_get_node): Turn into inlines.
5765         (cgraph, varpool): Work sanely on NULL pointers.
5766         (FOR_EACH_SYMBOL): New walker.
5767         * ipa-inline-transform.c (save_inline_function_body): Use
5768         symtab_insert_node_to_hashtable.
5769         * symtab.c: Include ggc.h and diagnostics.h
5770         (symtab_hash, assembler_name_hash): New static vars;
5771         (hash_node, eq_node, hash_node_by_assembler_name,
5772         eq_assembler_name, insert_to_assembler_name_hash,
5773         unlink_from_assembler_name_hash): New.
5774         (symtab_register_node): Update hashtables.
5775         (symtab_insert_node_to_hashtable): New.
5776         (symtab_unregister_node): Update hashtables.
5777         (symtab_get_node): New.
5778         (symtab_node_for_asm): New.
5779         (change_decl_assembler_name): New.
5780         * Makefile.in (symtab.o): Needs GTY.
5781         * varpool.c (varpool_hash): Remove.
5782         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
5783         (varpool_node): Rewrite using varpool_get_node.
5784         (varpool_remove_node): DO not maintain hashtables.
5785         (varpool_node_for_asm): Rewrite.
5787 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
5789         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
5790         when describing the current behavior of GCC.
5792 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
5794         * genemit.c (gen_exp): Remove ADDRESS handling.
5795         * genoutput.c (scan_operands): Likewise.
5796         * genpeep.c (match_rtx): Likewise.
5797         * genrecog.c (add_to_sequence): Likewise.
5799 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
5801         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
5803 2012-04-16  Martin Jambor  <mjambor@suse.cz>
5805         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
5806         bit-fields.
5808 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
5810         PR target/51819
5811         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
5812         hints for 'A' operand types.
5814 2012-04-16  Jan Hubicka  <jh@suse.cz>
5816         * cgraph.h (symtab_node_base): Add next and previous pointers.
5817         (cgraph_node): Remove next and preivous pointers.
5818         (varpool_node): Likewise; remove next/previous GTY marker;
5819         it is not type safe.
5820         (symtab_node_def): Update GTY marker
5821         (x_cgraph_nodes, cgraph_nodes): Remove.
5822         (symtab_nodes): New function.
5823         (cgraph_order): Rename to ...
5824         (symtab_order): ... this one.
5825         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
5826         Declare.
5827         (x_varpool_nodes, varpool_nodes): Remove.
5828         (FOR_EACH_STATIC_VARIABLE): Update.
5829         (symtab_function_p, symtab_variable_p): New function.
5830         (FOR_EACH_VARIABLE): Update.
5831         (varpool_first_variable, varpool_next_variable): New functions.
5832         (FOR_EACH_VARIABLE): Update.
5833         (cgraph_first_defined_function): Update.
5834         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
5835         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
5836         (cgraph_first_function, cgraph_next_function): New.
5837         (FOR_EACH_FUNCTION): Update.
5838         (cgraph_first_function_with_gimple_body,
5839         cgraph_next_function_with_gimple_body): Update.
5840         * symtab.c: New file.
5841         * cgraph.c: Update copyright dates.
5842         (x_cgraph_nodes, cgraph_order): Remove.
5843         (NEXT_FREE_NODE): Update.
5844         (SET_NEXT_FREE_NODE): New.
5845         (cgraph_create_node_1): Remove common code.
5846         (cgraph_create_node): Remove common code; call symtab_register_node.
5847         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
5848         (cgraph_add_asm_node): Update.
5849         (cgraph_clone_node): Register new node.
5850         * cgraphunit.c (process_function_and_variable_attributes): Update.
5851         (cgraph_analyze_functions): Update.
5852         (cgraph_analyze_functions): Update.
5853         (cgraph_output_in_order): Update.
5854         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
5855         Update.
5856         * ipa-inline.c (recursive_inlining): Update.
5857         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
5858         * ipa.c (cgraph_remove_unreachable_nodes): Update.
5859         * Makefile.in: Add symtab.o
5860         * varpool.c (x_varpool_nodes): Remove
5861         (varpool_node): Remove common code; call symtab_register_node.
5862         (varpool_remove_node): Remove common code; call symtab_unregister_node.
5864 2012-04-16  Richard Guenther  <rguenther@suse.de>
5866         PR middle-end/52977
5867         * tree.h (VECTOR_CST_NELTS): Adjust.
5868         (struct tree_vector): Add explicit length field.
5869         (make_vector_stat): Declare.
5870         (make_vector): Define.
5871         * tree.c (make_vector_stat): New function.
5872         (build_vector_stat): Use it.
5873         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
5875 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5877         PR tree-optimization/52976
5878         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
5879         (undistribute_ops_list): Ops with repeat counts aren't eligible for
5880         undistribution.
5881         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
5883 2012-04-16  Jan Hubicka  <jh@suse.cz>
5885         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
5886         New macros.
5887         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
5888         walkers to walk cgraph and varpool.
5889         * cgraph.c (cgraph_node_for_asm): Likewise.
5890         (dump_cgraph): Likewise.
5891         * value-prof.c (init_node_map): Likewise.
5892         * tree.c (free_lang_data_in_cgraph): Likewise.
5893         * tree-emutls.c: (ipa_lower_emutls): Likewise.
5894         * ipa-reference.c (generate_summary, propagate): Likewise.
5895         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
5896         cgraph_mark_functions_to_output, cgraph_output_in_order,
5897         output_weakrefs, cgraph_materialize_all_clones,
5898         cgraph_optimize): Likewise.
5899         * lto-cgraph.c (merge_profile_summaries): Likewise.
5900         (input_cgraph): Likewise.
5901         * ipa-pure-const.c (generate_summary): Likewise.
5902         (propagate): Likwise.
5903         * ipa-utils.c (ipa_reduced_postorder): Likewise.
5904         (ipa_free_postorder_info): Likewise.
5905         (ipa_reverse_postorder): Likewise.
5906         * ipa-inline.c (ipa_inline): Likewise.
5907         * matrix-reorg.c (find_matrices_decl): Likewise.
5908         (matrix_reorg): Likewise.
5909         * tree-vectorizer.c (increase_alignment): Likewise.
5910         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5911         (function_and_variable_visibility): Likewise.
5912         (whole_program_function_and_variable_visibility): Likewise.
5913         (ipa_cdtor_merge): Likewise.
5914         * trans-mem.c (ipa_tm_execute): Likewise.
5915         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
5916         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
5917         (ipa_print_all_params): Likewise.
5918         (ipa_update_after_lto_read): Likewise.
5919         * tree-profie.c (tree_profiling): Likewise.
5920         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
5921         * passes.c (dump_passes): Likewise.
5922         (do_per_function): Likewise.
5923         (ipa_write_summaries): Likewise.
5924         * varpool.c (dump_varpool): Likewise.
5925         (varpool_node_for_asm): Likewise.
5926         (varpool_assemble_pending_decls): Likewise.
5928 2012-04-16  Richard Guenther  <rguenther@suse.de>
5930         PR tree-optimization/52975
5931         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
5932         condition but always mark it with TRUTH_NOT_EXPR.
5934 2012-04-16  Richard Guenther  <rguenther@suse.de>
5936         PR tree-optimization/52975
5937         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
5938         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
5939         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
5940         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
5942 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
5944         * config/i386/sse.md (ssse3_plusminus): New code iterator.
5945         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
5946         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
5947         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
5948         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
5949         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
5950         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
5952         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
5953         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
5954         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
5955         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
5956         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
5957         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
5959         (xop_plus): New code iterator.
5960         (macs): New code attribute.
5961         (macds): Ditto.
5962         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
5963         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
5964         iterator.
5965         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
5966         xop_plus code iterator.
5967         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
5968         xop_plus code iterator.
5969         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
5970         xop_plus code iterator.
5971         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
5972         xop_plus code iterator.
5974         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
5975         any_extend code iterator.
5976         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
5977         any_extend code iterator.
5978         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
5979         any_extend code iterator.
5980         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
5981         any_extend code iterator.
5982         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
5983         any_extend code iterator.
5984         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
5985         any_extend code iterator.
5987 2012-04-14  Tom de Vries  <tom@codesourcery.com>
5989         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
5990         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
5991         DELETED_LABEL note, and move it to ...
5992         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
5993         (delete_insn_and_edges): Likewise.
5994         (delete_insn_chain): Handle new return type of delete_insn.  Delete
5995         chain backwards rather than forwards.
5996         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
5997         void.
5998         * cfglayout.c (fixup_reorder_chain): Delete unused label.
6000 2012-04-14  Jan Hubicka  <jh@suse.cz>
6002         * cgraph.h: Update copyrights;
6003         (symtab_node): Turn to union typedef.
6004         (symtab_node_base): New structure.
6005         (symtab_type): Add SYMTAB_SYMBOL tag.
6006         (cgraph_node): Annotate some pinters with nested_ptr.
6007         (varpool_node): Likewise.
6008         (cgraph_local_info): Remove lto_file_data
6009         and externally_visible.
6010         (cgraph_node): Remove decl; same_comdat_group list;
6011         aux; ref_list; order; address_taken; reachable_from_other_parittion,
6012         in_other_partition; resolution.
6013         (varpool_node): Remove decl; same_comdat_group;
6014         ref_list; lto_file_data; aux; order; resolution; externally_visible;
6015         used_from_other_partition; in_other_partition.
6016         (symtab_node_def): New union.
6017         (cgraph, varpool): Update.
6018         (varpool_first_static_initializer, varpool_next_static_initializer,
6019         cgraph_only_called_directly_or_aliased_p,
6020         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
6021         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
6022         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
6023         field references.
6024         * cgraph.c: Likewise.
6025         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
6026         * cgraphbuild.c: Likewise.
6027         * lto-symtab.c: Likewise.
6028         * c-gimplify.c: Likewise.
6029         * value-prof.c: Likewise.
6030         * tree.c: Likewise.
6031         * ipa-cp.c: Likewise.
6032         * tree-emutls.c: Likewise.
6033         * ipa-inline-transform.c: Likwise.
6034         * ipa-reference.c: Likewise.
6035         * cgraphunit.c: Likewise.
6036         * ipa-ref.c: Likewise.
6037         * lto-cgraph.c: Likewise.
6038         * ipa-ref-inline.h: Likewise.
6039         * ipa-pure-const.c: Likewise.
6040         * lto-streamer-out.c: Likewise.
6041         * ipa-utils.c: Likewise.
6042         * ipa-inline.c: Likewise.
6043         * matrix-reorg.c: Likewise.
6044         * tree-eh.c: Likewise.
6045         * tree-vectorizer.c: Likewise.
6046         * ipa-split.c: Likewise.
6047         * ipa.c: Likewise.
6048         * trans-mem.c: Likewise.
6049         * ipa-inline-analysis.c: Likewise.
6050         * gimplify.c: Likewise.
6051         * cfgexpand.c: Likewise.
6052         * tree-sra.c: Likewise.
6053         * ipa-prop.c: Likewise.
6054         * varasm.c: Likewise.
6055         * tree-nested.c: Likewise.
6056         * tree-inline.c: Likewise.
6057         * tree-profile.c: Likewise.
6058         * tree-ssa-structalias.c: Likewise.
6059         * passes.c: Likewise.
6060         * varpool.c: Likewise.
6062 2012-04-14  Tom de Vries  <tom@codesourcery.com>
6064         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
6065         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
6066         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
6067         of find_edge.
6068         (gsi_advance_fw_nondebug_nonlocal): New function.
6069         (local_def): Removed function.
6070         (same_succ_hash): Use stmt_local_def.
6071         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
6072         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
6074 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
6076         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
6077         and __ILP32__ for x32.
6079 2012-04-13  Martin Jambor  <mjambor@suse.cz>
6081         PR middle-end/52939
6082         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
6083         fold_ctor_reference returns a zero constant.
6085 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
6087         * config.gcc: Add i386/gnu-user-common.h before all
6088         i386/gnu-user.h and i386/gnu-user64.h usages.
6090         * config/i386/gnu-user-common.h: New.
6092         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
6093         (CC1_SPEC): Likewise.
6094         (ENDFILE_SPEC): Likewise.
6095         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
6096         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
6097         (TARGET_OS_CPP_BUILTINS): Likewise.
6098         (LIBGCC2_HAS_TF_MODE): Likewise.
6099         (LIBGCC2_TF_CEXT): Likewise.
6100         (TF_SIZE): Likewise.
6101         (TARGET_ASM_FILE_END): Likewise.
6102         (STACK_CHECK_MOVING_SP): Likewise.
6103         (STACK_CHECK_STATIC_BUILTIN): Likewise.
6104         * config/i386/gnu-user64.h: Likewise.
6106 2012-04-13  Martin Jambor  <mjambor@suse.cz>
6108         * expr.c (expand_expr_real_1): Pass type, not the expression, to
6109         set_mem_attributes for a memory temporary. Do not call the function
6110         for the memory temporary created for a bitfield.
6112 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
6114         PR debug/48866
6115         * df.h (enum debug_temp_where): New.
6116         (dead_debug_init, dead_debug_finish) Declare.
6117         (dead_debug_add, dead_debug_insert_temp): Declare.
6118         (struct dead_debug_use, struct dead_debug): Moved from...
6119         * df-problems.c: ... here.
6120         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
6121         to a debug temp.
6122         (df_create_unused_note): Likewise.
6123         (df_set_dead_notes_for_mw): Move comment where it belongs.
6124         (dead_debug_init): Export.
6125         (dead_debug_reset_uses): New, factored out of...
6126         (dead_debug_finish): ...this.  Export.
6127         (dead_debug_reset): Remove.
6128         (dead_debug_add): Export.
6129         (dead_debug_insert_before): Rename to...
6130         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
6131         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
6132         Return insertion count.
6133         (df_note_bb_compute): Adjust.
6134         * dce.c (word_dce_process_block): Adjust dead debug uses.
6135         (dce_process_block): Likewise.
6137 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
6139         * df-problems.c (df_note_bb_compute): Do not take note of
6140         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
6142 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
6144         PR debug/51570
6145         * var-tracking.c (expand_depth): New type.
6146         (onepart_aux, expand_loc_callback_data): Change depth type to it.
6147         (loc_exp_dep_alloc): Adjust initializer.
6148         (update_depth): Use new type.  Add entryvals.
6149         (vt_expand_var_loc_chain): Take note of expansions with
6150         ENTRY_VALUEs, but don't accept them right away.  Run an optional
6151         second pass accepting the minimum ENTRY_VALUE count found in the
6152         first pass.
6153         (vt_expand_loc_callback, INIT_ELCD): Adjust.
6155 2012-04-13  Tom de Vries  <tom@codesourcery.com>
6157         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
6158         parameters vuse and vuse_escaped.
6159         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
6160         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
6161         vuse1 != vuse2.
6163 2012-04-13  Richard Guenther  <rguenther@suse.de>
6165         PR tree-optimization/52969
6166         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
6167         the condition for the COND_EXPR and handle predicate negation
6168         by swapping the COND_EXPR arms.
6170 2012-04-13  Nick Clifton  <nickc@redhat.com>
6172         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
6173         TODO_dump_func flag.
6175 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
6177         PR rtl-optimization/52203
6178         PR rtl-optimization/52715
6180         Revert the 2012-03-07 fix for PR 52203.
6181         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
6182         the insn does not modify DFA right before issuing, adjust
6183         issue_rate accordingly.
6185 2012-04-13  Richard Guenther  <rguenther@suse.de>
6187         PR c/52549
6188         * c-typeck.c (pointer_diff): Remove bogus assert.
6190 2012-04-13  Richard Guenther  <rguenther@suse.de>
6192         PR c/52862
6193         * convert.c (convert_to_pointer): Remove special-casing of zero.
6195 2012-04-13  Joey Ye  <joey.ye@arm.com>
6197         * config/arm/constraints.md (Pe): New constraint.
6198         * config/arm/arm.md: New split for imm 256-510.
6200 2012-04-13  Terry Guo  <terry.guo@arm.com>
6202         * config/arm/arm-cores.def: Added core cortex-m0plus.
6203         * config/arm/arm-tune.md: Regenerated.
6204         * config/arm/arm-tables.opt: Regenerated.
6205         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
6207 2012-04-13  Alan Modra  <amodra@gmail.com>
6209         PR target/52828
6210         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
6211         tie regs on destination of sets.  Delete forward declaration.
6212         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
6213         (rs6000_emit_prologue): Likewise.
6214         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
6215         and gen_stack_tie.
6216         (is_mem_ref): Use tie_operand to recognise stack ties.
6217         * config/rs6000/predicates.md (tie_operand): New.
6218         * config/rs6000/rs6000.md (restore_stack_block): Generate new
6219         stack tie rtl.
6220         (restore_stack_nonlocal): Likewise.
6221         (stack_tie): Update.
6222         (frame_tie): Delete.
6224 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6226         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
6227         HOST_WIDE_INT_PRINT_DEC in format strings.
6229 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
6231         PR target/52932
6232         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
6233         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
6234         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
6235         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
6236         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
6237         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
6238         avx2_permvarv8si using VI4F_256 mode iterator.
6239         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
6240         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
6241         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
6242         gen_avx2_permvarv8sf.
6243         (expand_vec_perm_pshufb): Ditto.
6245 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6247         PR target/52775
6248         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
6249         the list of options to enable the FCFID instruction.
6250         (TARGET_EXTRA_BUILTINS): Adjust comment.
6252 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6254         PR tree-optimization/18589
6255         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
6256         (operand_entry): Add count field.
6257         (add_repeat_to_ops_vec): New function.
6258         (completely_remove_stmt): Likewise.
6259         (remove_def_if_absorbed_call): Likewise.
6260         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
6261         (acceptable_pow_call): New function.
6262         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
6263         entries with repeat counts when found.
6264         (repeat_factor_d): New struct and associated typedefs.
6265         (repeat_factor_vec): New static vector variable.
6266         (compare_repeat_factors): New function.
6267         (get_reassoc_pow_ssa_name): Likewise.
6268         (attempt_builtin_powi): Likewise.
6269         (reassociate_bb): Call attempt_builtin_powi.
6270         (fini_reassoc): Two new calls to statistics_counter_event.
6272 2012-04-12  Richard Guenther  <rguenther@suse.de>
6274         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
6275         * cgraph.h (tree_rest_of_compilation): Remove.
6276         * cgraph.c (cgraph_add_new_function): Move ...
6277         * cgraphunit.c (cgraph_add_new_function): ... here.
6278         (tree_rest_of_compilation): Make static.
6279         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
6280         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
6281         gate_all_early_local_passes, execute_all_early_local_passes,
6282         pass_early_local_passes, gate_all_early_optimizations,
6283         pass_all_early_optimizations): Move ...
6284         * passes.c (gate_all_optimizations, pass_all_optimizations,
6285         gate_all_early_local_passes, execute_all_early_local_passes,
6286         pass_early_local_passes, gate_all_early_optimizations,
6287         pass_all_early_optimizations): ... here.
6288         * tree-optimize.c (execute_free_datastructures): Remove.
6289         * tree-flow.h (execute_free_datastructures): Remove.
6290         * tree-optimize.c (execute_init_datastructures,
6291         pass_init_datastructures): Move ...
6292         * tree-ssa.c (execute_init_datastructures,
6293         pass_init_datastructures): ... here.
6294         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
6295         execute_free_datastructures.
6297 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
6299         * dbgcnt.def (ira_move): New counter.
6300         * ira-int.h (ira_create_new_reg): Declare function.
6301         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
6302         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
6303         no longer static.  All callers changed.
6304         * ira.c: Include "dbgcnt.h".
6305         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
6306         move_unallocated_pseudos): New static functions.
6307         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
6308         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
6309         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
6310         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
6311         to the pseudos generated in find_moveable_pseudos.
6312         * Makefile.in (ira.o): Add $(DBGCNT_H).
6314 2012-04-12  Richard Guenther  <rguenther@suse.de>
6316         PR tree-optimization/52943
6317         * tree-chrec.h (chrec_is_positive): Remove.
6318         * tree-scalar-evolution.c (chrec_is_positive): Move ...
6319         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
6320         Return false for a constant zero instead of negative.
6321         (analyze_siv_subscript_cst_affine): Handle zero difference
6322         in the initial condition explicitely.
6324 2012-04-12  Richard Guenther  <rguenther@suse.de>
6326         * tree-parloops.c (parallelize_loops): Also consult the upper
6327         bound for the number of iterations.
6328         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
6329         (loop_prefetch_arrays): Likewise.
6331 2012-04-12  Richard Guenther  <rguenther@suse.de>
6333         * cfgloop.h (estimated_loop_iterations_int): Ditch
6334         'conservative' parameter.
6335         (max_stmt_executions_int): Likewise.
6336         (estimated_loop_iterations): Likewise.
6337         (max_stmt_executions): Likewise.
6338         (max_loop_iterations): Declare.
6339         (max_loop_iterations_int): Likewise.
6340         (estimated_stmt_executions): Likewise.
6341         (estimated_stmt_executions_int): Likewise.
6342         * tree-ssa-loop-niter.c (estimated_loop_iterations):
6343         Split parts to ...
6344         (max_loop_iterations): ... this.
6345         (estimated_loop_iterations_int): Split parts to ...
6346         (max_loop_iterations_int): ... this.
6347         (max_stmt_executions_int): Split parts to ...
6348         (estimated_stmt_executions_int): ... this.
6349         (max_stmt_executions): Split parts to ...
6350         (estimated_stmt_executions): ... this.
6351         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
6352         * predict.c (predict_loops): Likewise.
6353         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
6354         (analyze_siv_subscript_cst_affine): Likewise.
6355         (compute_overlap_steps_for_affine_1_2): Likewise.
6356         (analyze_subscript_affine_affine): Likewise.
6357         (init_omega_for_ddr_1): Likewise.
6358         * tree-parloops.c (parallelize_loops): Likewise.
6359         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6360         (may_eliminate_iv): Likewise.
6361         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
6362         (loop_prefetch_arrays): Likewise.
6363         * tree-vrp.c (adjust_range_with_scev): Likewise.
6365 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
6367         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
6368         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
6369         Fix line width.
6370         (dump_table): Use bool type for need_align and have_df variables.
6371         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
6372         (regs_used): Remove register modifier.
6373         (barrier_align): Move variables slot, credit, jump_to_next
6374         into if block above for loop.  Use bool type for jump_to_next.
6375         (sh_function_arg): Use NULL_RTX instead of 0.
6377 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
6379         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
6380         (bswapsi2): New expander.
6382 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6384         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
6385         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
6387 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6389         PR rtl-optimization/52876
6390         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
6391         Don't call mark_reg_pointer for incompatible pointer sign extension.
6393         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
6394         directly.
6396 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
6398         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
6399         comparisons against TYPE_PRECISION.
6400         * tree-ssa-forwprop.c (combine_conversions): Likewise.
6402 2012-04-11  Xinliang David Li  <davidxl@google.com>
6404         * tree-passes.h: Remove TODO_dump_func.
6405         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
6406         * trans-mem.c: Remove TODO_dump_func.
6407         * ira.c: Remove TODO_dump_func.
6409 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6411         * config/i386/i386.c (ix86_option_override_internal): Check
6412         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
6413         after TARGET_64BIT is updated.
6415 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
6417         * config/sh/sh.h: Remove old secondary reload code.
6419 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
6421         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
6422         (ready_reorder): ... this function.
6424 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
6426         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
6427         sched_init calls.
6429         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
6430         insns so that no other insn is queued for a time before them.
6432         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
6433         unknown.
6435 2012-04-11  Richard Guenther  <rguenther@suse.de>
6437         PR middle-end/52621
6438         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
6439         consider loop nesting.
6440         (evolution_function_is_univariate_p): Properly check the remainder
6441         for chrecs.
6443 2012-04-11  Richard Guenther  <rguenther@suse.de>
6445         PR middle-end/52918
6446         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
6448 2012-04-11  Nick Clifton  <nickc@redhat.com>
6450         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
6451         information, if requested.
6453         * config/rx/rx.c (rx_expand_prologue): Likewise.
6455 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
6456             Michael Matz  <matz@suse.de>
6458         PR target/16458
6459         * rtlanal.c (unsigned_reg_p): New function.
6460         Update copyright notice dates.
6461         * rtl.h (unsigned_reg_p): Prototype it.
6462         Update copyright notice dates.
6463         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
6464         Update comment.
6465         * expr.c (expand_expr_real_1): Set register attributes.
6466         * stmt.c (expand_case): Likewise.
6468 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
6470         PR target/50751
6471         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
6472         consider_sh2a and allow_zero.
6473         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
6474         (disp_addr_displacement): New function.
6475         (sh_address_cost): Use disp_addr_displacement function instead
6476         of DISP_ADDR_OFFSET.
6477         (sh_legitimate_address_p): Adapt to changed
6478         sh_legitimate_index_p declaration.
6479         (sh_find_mov_disp_adjust): Remove HImode check.
6480         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
6481         disp_addr_displacement and max_mov_insn_displacement.
6482         (max_mov_insn_displacement): Remove HImode check.
6483         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
6484         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
6485         * config/sh/constraints.md (K05, K13): New constraints.
6486         (K12): Correct comment.
6487         (Sdd): Do not use DISP_ADDR_P macro.
6488         (Snd, Sbw): Use satisfies_constraint_Sdd.
6489         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
6490         (*extendhisi2_compact, movhi_i): Remove.
6491         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
6492         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
6493         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
6494         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
6495         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
6496         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
6497         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
6498         CONST_OK_FOR_Kxx.
6499         Add new peepholes for HImode displacement addressing.
6501 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
6503         * config/sh/sh.h (SIDI_OFF): Remove.
6504         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
6505         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
6506         or operand_subword.
6508 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
6510         PR target/52624
6511         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
6512         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
6513         * doc/md.texi (Standard Names): Add bswap.
6514         * builtin-types.def (BT_UINT16): New primitive type.
6515         (BT_FN_UINT16_UINT16): New function type.
6516         * builtins.def (BUILT_IN_BSWAP16): New.
6517         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
6518         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
6519         expand_builtin_bswap.
6520         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
6521         (fold_builtin_1): Likewise.
6522         (is_inexpensive_builtin): Likewise.
6523         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
6524         missing bits for bswap to libcall code.
6525         * tree.c (build_common_tree_nodes): Build uint16_type_node.
6526         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
6527         (uint16_type_node): New define.
6528         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
6529         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
6530         above builtin.
6531         (rs6000_init_builtins): Likewise.
6532         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
6534 2012-04-11  Tristan Gingold  <gingold@adacore.com>
6536         * doc/extend.texi (Type Attributes): Move paragraph.
6538 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6540         PR 24985
6541         * diagnostic.h (show_caret): Declare.
6542         (caret_max_width): Declare.
6543         (diagnostic_show_locus): Declare.
6544         * diagnostic.c (diagnostic_initialize): Initialize to false.
6545         (diagnostic_show_locus): New.
6546         (diagnostic_report_diagnostic): Call it.
6547         (getenv_columns): New.
6548         (adjust_line): New.
6549         (diagnostic_set_caret_max_width): New.
6550         * input.c (read_line): New.
6551         (location_get_source_line): New.
6552         * input.h (location_get_source_line): Declare.
6553         * toplev.c (general_init): Initialize show_caret from options.
6554         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
6555         * opts.c (common_handle_option): Likewise.
6556         * pretty-print.h (pp_get_prefix): New.
6557         (pp_base_get_prefix): New.
6558         * common.opt (fdiagnostics-show-caret): New option.
6559         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
6561 2012-04-11  Richard Guenther  <rguenther@suse.de>
6563         PR rtl-optimization/52881
6564         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
6566 2012-04-11  Richard Guenther  <rguenther@suse.de>
6568         PR tree-optimization/52912
6569         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
6570         manipulation code we are threading through a loop header
6571         to an exit destination.
6573 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6575         * tree.h (warn_if_unused_value): Move declaration from here.
6576         * stmt.c (warn_if_unused_value): Move definition from here.
6578 2010-04-10  Michael Matz  <matz@suse.de>
6580         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
6581         grouped_stores.
6582         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
6583         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
6584         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
6585         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
6586         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
6587         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
6588         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
6589         (vect_record_strided_load_vectors): Rename to
6590         vect_record_grouped_load_vectors.
6591         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
6592         Rename use of above macros.
6593         (vect_verify_datarefs_alignment): Ditto.
6594         (vector_alignment_reachable_p): Ditto.
6595         (vect_peeling_hash_get_lowest_cost): Ditto.
6596         (vect_enhance_data_refs_alignment): Ditto.
6597         (vect_analyze_group_access): Ditto and rename stride to groupsize.
6598         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
6599         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
6600         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
6601         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
6602         (vect_record_strided_load_vectors): Rename to
6603         vect_record_grouped_load_vectors.
6604         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
6605         (destroy_loop_vec_info): Ditto.
6606         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
6607         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
6608         (vect_analyze_slp): Ditto.
6609         (new_bb_vec_info): Ditto.
6610         (destroy_bb_vec_info): Ditto.
6611         (vect_schedule_slp_instance): Ditto and rename strided_store to
6612         grouped_store.
6613         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
6614         vect_cost_group_size.
6615         (vect_model_store_cost): Rename use of above macros and call
6616         to vect_cost_strided_group_size.
6617         (vect_model_load_cost): Ditto.
6618         (vectorizable_store): Ditto, rename strided_store to grouped_store
6619         and calls to renamed tree-vectorizer.h functions.
6620         (vectorizable_load): Ditto.
6621         (vect_transform_stmt): Rename use of above macros and strided_store
6622         to grouped_store.
6624 2012-04-10  Jan Hubicka  <jh@suse.cz>
6626         * cgraph.h: Remove misledaing comment on ipa-ref.h.
6627         (symtab_type): New enum.
6628         (symtab_node): New structure.
6629         (cgraph_node, varpool_node): Add symbol base type.
6630         (cgraph, varpool): New accestor functions.
6631         * cgraph.c (cgraph_create_node_1): Set symbol type.
6632         * varpool.c (varpool_node): Set symbol type.
6634 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
6635             Richard Sandiford  <rdsandiford@googlemail.com>
6637         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
6639 2012-04-10  Richard Guenther  <rguenther@suse.de>
6641         PR middle-end/52888
6642         * gimple-low.c (gimple_check_call_args): Properly account for
6643         compatible aggregate types.
6645 2012-04-10  Richard Guenther  <rguenther@suse.de>
6647         * toplev.h (tree_rest_of_compilation): Remove.
6648         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6649         * cgraph.h (tree_rest_of_compilation): Declare.
6650         * tree-optimize.c (tree_rest_of_compilation): Move ...
6651         * cgraphunit.c (tree_rest_of_compilation): ... here.
6652         * cgraph.c (cgraph_add_new_function): Adjust.
6653         * Makefile.in (tree-optimize.o): Adjust.
6654         (cgraphunit.o): Likewise.
6656 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
6658         PR tree-optimization/52870
6659         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
6660         presumed pattern statement is within the same loop or basic block.
6662 2012-04-10  Tristan Gingold  <gingold@adacore.com>
6664         * gengtype.c (main): Make uintptr_t a known type.
6666 2012-04-10  Richard Guenther  <rguenther@suse.de>
6668         * tree-pass.h (tree_lowering_passes): Remove.
6669         * tree-optimize.c (tree_lowering_passes): Remove.
6670         * cgraph.c (cgraph_add_new_function): Inline relevant parts
6671         of tree_lowering_passes, avoid redundant call of early local passes.
6672         * cgraphunit.c (cgraph_lower_function): Fold into ...
6673         (cgraph_analyze_function): ... its single caller.  Inline
6674         relevant parts of tree_lowering_passes.
6676 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6678         PR other/52777
6679         * config/pa/pa.opt: Remove SIO and GNU_LD.
6681 2012-04-09  Jan Hubicka  <jh@suse.cz>
6683         PR lto/52722
6684         PR lto/51765
6685         PR lto/52634
6686         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
6687         boundary, add its target too.
6688         * lto.c (add_references_to_partition): Add also aliased nodes.
6689         (add_cgraph_node_to_partition,
6690         add_varpool_node_to_partition): Work on nodes, not functions/variables;
6691         when adding alias, add also the aliased object.
6693 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
6695         PR target/52883
6696         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
6697         VOIDmode immediate operands.
6698         * config/i386/constraints.md (Wz): New constraint.
6699         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
6701 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
6703         PR target/52717
6704         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
6705         the DECL generated for the special GOT helper.
6707 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
6709         * config/sh/constraints.md: Update list of constraints in
6710         comment block.
6711         (Sr0): Remove unused memory constraint.
6713 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6715         * tree-pretty-print.h: Update comment.
6717 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
6719         * config/sh/sh.md: Use braced string notation where applicable.
6720         (*prefetch_i4, prefetch_m2a): Merge into ...
6721         (*prefetch): ... this new insn.
6723 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
6725         * config/sh/sh.h (high_life_started): Remove
6726         * config/sh/predicates.md (general_movdst_operand): Use
6727         'reload_in_progress' instead of 'high_life_started'.
6728         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
6729         divsi_inv_fp): Likewise.
6731 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
6733         * config/sh/sh-protos.h (prepare_move_operands): Return void
6734         instead of int.
6735         * config/sh/sh.c (prepare_move_operands): Likewise.
6736         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
6738 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
6740         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
6741         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
6742         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
6743         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
6744         commutative_float_operator, noncommutative_float_operator,
6745         sh_handle_pragma): Remove.
6747 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
6749         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
6750         Use @option markup on command-line options.  Use @samp markup on
6751         literal keywords to options.  Use @code markup on code fragments.
6752         Use other markup in preference to quotation marks in the text.
6753         Add markup to some passages without any.
6755 2012-04-06  Mike Stump  <mikestump@comcast.net>
6757         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
6759 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
6761         * config/sh/sh.c (hi_const): Remove.
6762         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
6763         of hi_const.
6765 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
6767         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
6768         to bool.
6769         * config/sh/sh.c (sh_expand_t_scc): Likewise.
6770         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
6771         calling sh_expand_t_scc.
6773 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
6775         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
6776         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
6777         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
6778         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
6779         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
6780         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
6781         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
6782         sh2a_is_function_vector_call): Use bool as return type.
6783         (sh_pass_in_reg_p): Remove.
6784         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
6785         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
6786         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
6787         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
6788         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
6789         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
6790         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
6791         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
6792         sh_loads_bankedreg_p): Use bool as return type.
6793         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
6794         'register' modifier.
6796 2012-04-06  Matt Turner  <mattst88@gmail.com>
6798         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
6800 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6802         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
6803         of the destination isn't also a FP_REGS register.
6805 2012-04-05  Teresa Johnson  <tejohnson@google.com>
6806             H.J. Lu  <hongjiu.lu@intel.com>
6808         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
6809         * config/i386/i386.md (move immediate to memory peephole2):
6810         Add cases for HImode move when LCP stall avoidance is needed.
6811         * config/i386/i386.c (initial_ix86_tune_features): Initialize
6812         X86_TUNE_LCP_STALL entry.
6814 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
6816         PR target/52882
6817         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
6818         CONST_INT operands, zero-extended with AND.
6820 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
6822         PR target/50751
6823         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
6824         first argument instead of mode size.  Move displacement calculations
6825         to ...
6826         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
6827         ... these new functions.
6828         (disp_adjust): Remove max_mov_disp field.
6829         (sh_legitimate_index_p): Use max_mov_insn_displacement and
6830         mov_insn_alignment_mask.
6831         (sh_address_cost): Use max_mov_insn_displacement.
6833 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
6835         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
6836         (arch_enabled): Handle new arch types.
6837         (one_cmpldi2): Add NEON support.
6839 2012-04-05  Richard Guenther  <rguenther@suse.de>
6841         * gimple.c (walk_gimple_op): Compute val_only for the LHS
6842         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
6843         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
6844         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
6845         ... here and make static.
6846         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
6847         Remove.
6849 2012-04-05  Richard Guenther  <rguenther@suse.de>
6851         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
6852         basic-block before removing it.
6854 2012-04-05  Richard Guenther  <rguenther@suse.de>
6856         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
6857         version namespace as we release the freelist.
6859 2012-04-05  Richard Guenther  <rguenther@suse.de>
6861         * tree-nrv.c (tree_nrv): Release VDEFs.
6862         * tree-sra.c (sra_modify_constructor_assign): Likewise.
6863         (sra_modify_assign): Likewise.
6864         * tree-vect-stmts.c (vect_remove_stores): Likewise.
6865         * tree-vect-loop.c (vect_transform_loop): Likewise.
6866         * tree-ssa-dom.c (optimize_stmt): Likewise.
6867         * tree-vect-slp.c (vect_schedule_slp): Likewise.
6868         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
6870 2012-04-05  Richard Guenther  <rguenther@suse.de>
6872         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
6873         cleanup.
6874         * gimple.h (gsi_remove): Adjust.
6875         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
6876         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
6877         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6878         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
6879         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
6880         * tree-ssa-pre.c (eliminate): Likewise.
6882 2012-04-04  Mike Stump  <mikestump@comcast.net>
6884         * doc/rtl.texi (const_double): Document as sign-extending.
6885         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
6886         * emit-rtl.c (immed_double_int_const): Refine to state the
6887         value is signed.
6888         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
6889         CONST_DOUBLE integers.
6890         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
6891         negative values are converted.  Fix conversions bigger than
6892         HOST_BITS_PER_WIDE_INT.
6893         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
6894         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
6895         * explow.c (plus_constant_mode): Add.
6896         (plus_constant): Implement with plus_constant_mode.
6897         * rtl.h (plus_constant_mode): Add.
6899 2012-04-04  Richard Guenther  <rguenther@suse.de>
6901         PR tree-optimization/52808
6902         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
6903         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
6905 2012-04-04  Tristan Gingold  <gingold@adacore.com>
6907         * expr.c (expand_expr_real_2): Handle larger sizetype in
6908         POINTER_PLUS_EXPR.
6910 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6912         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
6913         to m2a-single instead of m2e.
6915 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6917         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
6918         Change type of BITOFFSET to signed.  Make sure the lower bound of
6919         the computed range is non-negative by adjusting OFFSET and BITPOS.
6920         (expand_assignment): Adjust call to get_bit_range.
6922 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
6924         * h8300/h8300.c (h8300_current_function_monitor_function_p):
6925         New function. Added to check monitor functions.
6926         (h8300_option_override): Modified to generate error/warning
6927         messages for invalid combinations of different command line
6928         options.
6929         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
6930         save EXR on stack for monitor function in case of H8S target
6931         when "-mno-exr" is passed.
6932         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
6933         Add prototype.
6934         * doc/invoke.texi: Document H8S options.
6936 2012-04-03  Tristan Gingold  <gingold@adacore.com>
6938         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
6939         of gcc_AC_FUNC_MMAP_BLACKLIST.
6940         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
6941         * Makefile.in (aclocal_deps): Add mmap.m4.
6942         * configure: Regenerate.
6943         * aclocal.m4: Regenerate.
6945 2012-04-03  Richard Guenther  <rguenther@suse.de>
6947         PR tree-optimization/52808
6948         * tracer.c (tail_duplicate): Return whether we have duplicated
6949         any block.
6950         (tracer): If we have duplicated any block, cleanup the CFG.
6951         * cfghooks.c (duplicate_block): If we duplicated a loop
6952         header but not its loop, destroy the loop because it now has
6953         multiple entries.
6954         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
6955         the cfg manipulation routines we are not creating a multiple
6956         entry loop.
6958 2012-04-03  Tristan Gingold  <gingold@adacore.com>
6960         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
6961         'byte' alignment.
6962         (vms_c_common_override_options): Allow parameterless variadic
6963         functions.
6965 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
6967         PR tree-optimization/52835
6968         * tree-data-ref.c (build_rdg): Return NULL if
6969         compute_data_dependences_for_loop failed.
6971 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6973         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
6974         for REAL_CST as well.
6975         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
6976         In the bitfield case, if the value is a REAL_CST, convert it first to
6977         an INTEGER_CST.
6979 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6981         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
6982         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
6983         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
6985         * config/i386/biarchx32.h: New.
6987 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
6989         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
6990         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
6991         (arm_preferred_reload_class): New function.
6993 2012-04-02  Richard Guenther  <rguenther@suse.de>
6995         PR tree-optimization/52756
6996         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
6997         (thread_through_loop_header): After threading through the loop latch
6998         remove the split part from the loop and clear further threading
6999         opportunities that would create a multiple entry loop.
7001 2012-04-02  Richard Guenther  <rguenther@suse.de>
7003         PR rtl-optimization/52800
7004         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
7005         CLEANUP_CFG_CHANGED.
7007 2012-04-02  Richard Guenther  <rguenther@suse.de>
7009         PR middle-end/52803
7010         * loop-init.c (gate_handle_loop2): Destroy loops here if
7011         we don't enter RTL loop optimizers.
7013 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
7015         Partially revert:
7016         2012-03-29  Richard Guenther  <rguenther@suse.de>
7018         * rtl.h (extended_count): Remove.
7019         * combine.c (extended_count): Remove.
7021 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
7023         PR c++/40942
7024         * pt.c (more_specialized_fn):  Don't apply decay conversion to
7025         types of function parameters.
7027 2012-04-02  Tristan Gingold  <gingold@adacore.com>
7029         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
7030         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
7031         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
7032         (ggc_pch_this_base): Use uintptr_t instead of size_t.
7034 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
7036         PR bootstrap/52784
7037         * config/i386/i386.c (ix86_option_override_internal): Don't
7038         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
7040 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
7042         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
7043         (stmt_can_make_abnormal_goto): Use it.
7044         (is_ctrl_altering_stmt): Likewise.
7046 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
7047             Kaz Kojima  <kkojima@gcc.gnu.org>
7049         * config/sh/sh.c (push_regs): Skip banked registers when
7050         resbank attribute is specified.
7051         (sh_expand_epilogue): Likewise.
7053 2012-03-30  Richard Henderson  <rth@redhat.com>
7055         PR debug/52727
7056         * combine-stack-adj.c (prev_active_insn_bb): New.
7057         (next_active_insn_bb): New.
7058         (force_move_args_size_note): New.
7059         (combine_stack_adjustments_for_block): Use it.
7061 2012-03-30  Richard Henderson  <rth@redhat.com>
7063         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
7064         (ix86_expand_vector_init_duplicate): Initialize it.
7065         (expand_vec_perm_palignr): Likewise.
7066         (ix86_expand_vec_perm_const): Likewise.
7067         (ix86_vectorize_vec_perm_const_ok): Likewise.
7068         (expand_vec_perm_blend): Use it.
7069         (expand_vec_perm_vpermil): Likewise.
7070         (expand_vec_perm_pshufb): Likewise.
7071         (expand_vec_perm_1): Likewise.
7072         (expand_vec_perm_pshuflw_pshufhw): Likewise.
7073         (expand_vec_perm_interleave2): Likewise.
7074         (expand_vec_perm_vpermq_perm_1): Likewise.
7075         (expand_vec_perm_vperm2f128): Likewise.
7076         (expand_vec_perm_interleave3): Likewise.
7077         (expand_vec_perm_vperm2f128_vblend): Likewise.
7078         (expand_vec_perm_vpshufb2_vpermq): Likewise.
7079         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
7080         (expand_vec_perm_broadcast): Likewise.
7081         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
7083 2012-03-30  Richard Henderson  <rth@redhat.com>
7085         * dwarf2out.c (gen_variable_die): Initialize off.
7087 2012-03-30  Tristan Gingold  <gingold@adacore.com>
7089         * config/vms/vms-f.c: New file.
7090         * config/vms/t-vms (vms-f.o): New rule.
7091         * config.gcc (*-*-*vms*): Define fortran_target_objs.
7093 2012-03-30  Richard Guenther  <rguenther@suse.de>
7095         PR tree-optimization/52754
7096         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
7097         propagate arbitrary addresses into really plain dereferences.
7099 2012-03-30  Richard Guenther <rguenther@suse.de>
7101         PR middle-end/52772
7102         * except.c (emit_to_new_bb_before): Move loop updating ...
7103         (dw2_build_landing_pads): ... here.  Use a proper block for
7104         querying the loop father.
7106 2012-03-30  Tristan Gingold  <gingold@adacore.com>
7108         * config/ia64/ia64.c (ia64_section_type_flags): Remove
7109         common_object attribute handling.
7110         (SECTION_VMS_OVERLAY): Remove
7111         (ia64_vms_common_object_attribute): Replace abort with an assert.
7112         Do not set DECL_SECTION_NAME.
7113         (ia64_vms_output_aligned_decl_common): Handle common_object
7114         attribute.
7115         (ia64_vms_elf_asm_named_section): Remove.
7116         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
7118 2012-03-30  Richard Guenther  <rguenther@suse.de>
7120         PR middle-end/52786
7121         * double-int.c (rshift_double): Remove not needed cast.
7123 2012-03-30  Richard Guenther  <rguenther@suse.de>
7125         * tree-affine.h (print_aff): Remove.
7126         * tree-affine.c (print_aff): Make static.
7127         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
7128         (get_references_in_stmt): Likewise.
7129         (print_direction_vector): Likewise.
7130         (print_dir_vectors): Likewise.
7131         (print_dist_vectors): Likewise.
7132         (dump_subscript): Likewise.
7133         (dump_ddrs): Likewise.
7134         (dump_dist_dir_vectors): Likewise.
7135         (dump_data_references): Likewise.
7136         (dump_data_dependence_relation): Likewise.
7137         (dump_data_dependence_direction): Likewise.
7138         (dump_rdg_vertex): Likewise.
7139         (dump_rdg_component): Likewise.
7140         (debug_ddrs): Declare.
7141         (struct data_ref_loc_d): Move ...
7142         * tree-data-ref.c (struct data_ref_loc_d): ... here.
7143         (get_references_in_stmt): Make static.
7144         (dump_data_references): Likewise.
7145         (dump_subscript): Likewise.
7146         (print_direction_vector): Likewise.
7147         (print_dir_vectors): Likewise.
7148         (print_dist_vectors): Likewise.
7149         (dump_data_dependence_relation): Likewise.
7150         (dump_dist_dir_vectors): Likewise.
7151         (dump_ddrs): Likewise.
7152         (dump_rdg_vertex): Likewise.
7153         (dump_rdg_component): Likewise.
7154         (debug_ddrs): New function.
7155         (access_matrix_get_index_for_parameter): Remove.
7157 2012-03-30  Tristan Gingold  <gingold@adacore.com>
7159         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
7160         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
7161         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
7162         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
7163         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
7164         (vms_patch_builtins): Handle new flags
7165         * config/vms/vms-crtlmap.map: Completed using nm on
7166         c and math system libraries.
7167         * config/vms/make-crtlmap.awk: Handle any number of flags.
7169 2012-03-30  Martin Jambor  <mjambor@suse.cz>
7171         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
7172         is a builtin_stack_save in a dominating BB.
7174 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
7176         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
7177         crossing 128bit lane boundary.
7179 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7181         * ira-color.c (setup_left_conflict_sizes_p): Process all
7182         conflicting objects.
7184 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
7186         PR tree-optimization/52760
7187         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
7188         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
7190 2012-03-29  Richard Guenther  <rguenther@suse.de>
7192         * cgraph.h (cgraph_materialize_all_clones): Remove.
7193         (reset_inline_failed): Likewise.
7194         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
7195         * cgraphbuild.c (reset_inline_failed): Remove.
7196         * rtl.h (cse_main): Remove.
7197         (extended_count): Likewise.
7198         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
7199         (cse_main): Make static.
7200         * combine.c (extended_count): Remove.
7201         (dump_combine_stats): Mark as DEBUG_FUNCTION.
7202         * basic-block.h (reorder_basic_blocks): Remove.
7203         * bb-reorder.c (reorder_basic_blocks): Make static.
7204         * Makefile.in (dse.o): Remove dse.h dependency.
7205         * dse.h: Remove.
7206         * dse.c (gate_dse): Remove.
7207         (clear_alias_mode_eq): Likewise.
7208         (clear_alias_mode_hash): Likewise.
7209         (dse_record_singleton_alias_set): Likewise.
7210         (dse_invalidate_singleton_alias_set): Likewise.
7212 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7214         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
7215         crtbegin_so%O%s for -shared.
7216         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
7218 2012-03-29  Richard Guenther  <rguenther@suse.de>
7220         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
7221         (add_to_value): Remove.
7222         (print_value_expressions): Likewise.
7223         * tree-ssa-pre.c (add_to_value): Make static.
7224         (print_value_expressions): Likewise.
7225         * gimple.h (gimple_adjust_this_by_delta): Remove.
7226         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
7228 2012-03-29  Richard Guenther  <rguenther@suse.de>
7230         PR middle-end/50708
7231         * double-int.h (rshift_double): Remove.
7232         * double-int.c (lshift_double): Use absu_hwi to make count positive.
7233         (rshift_double): Make static, take unsigned count argument,
7234         remove handling of negative count argument.
7235         (double_int_rshift): Dispatch to lshift_double.
7237 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7239         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
7240         OPTION_MASK_ABI_64.
7242         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
7243         (SPEC_X32): Likewise.
7244         (MULTILIB_DEFAULTS): Likewise.
7246         * config/i386/i386.c (isa_opts): Remove -m64.
7247         (ix86_target_string): Properly handle -m32/-m64/-mx32.
7248         (ix86_option_override_internal): Properly
7249         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
7250         handle -m32, -m64 and -mx32.
7252         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
7253         with OPTION_ABI_X32.  Moved after TARGET_LP64.
7254         (TARGET_LP64): Changed to OPTION_ABI_64.
7256         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
7257         (mx32): Replace ISA_X32 with ABI_X32.
7259 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
7261         * tree.c (tree_size) <VECTOR_CST>: New case.
7263 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
7265         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
7266         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
7268 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
7270         PR middle-end/52691
7271         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
7272         __builtin_va_start to __builtin_next_arg if the latter is
7273         builtin_decl_explicit_p rather than when it is not.
7275         PR middle-end/52750
7276         * tree-vect-generic.c (vector_element): Perform multiplication
7277         for pos in bitsizetype type instead of idx type.
7279 2012-03-28  Richard Guenther  <rguenther@suse.de>
7281         * loop-init.c (loop_optimizer_init): If loops are preserved
7282         perform incremental initialization of required loop features.
7283         (loop_optimizer_finalize): If loops are to be preserved only
7284         clean up optional loop features.
7285         (rtl_loop_done): Forcefully free loops here.
7286         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
7287         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
7288         to existing loops.
7289         (construct_init_block): Likewise.
7290         (construct_exit_block): Likewise.
7291         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
7292         the CFG after expanding.
7293         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
7294         If we needed to calculate them, free them afterwards.
7295         * tree-pass.h (PROP_loops): New define.
7296         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
7297         * basic-block.h (CLEANUP_CFG_CHANGED): New.
7298         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
7299         (cleanup_cfg): If we did something and have loops around, fix them up.
7300         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
7301         with CLEANUP_CFG_CHANGED.
7302         * cfghooks.c (merge_blocks): If we merge a loop header into
7303         its predecessor, update the loop structure.
7304         (duplicate_block): If we copy a loop latch, adjust loop state
7305         to note we may have multiple latches.
7306         (delete_basic_block): Mark loops for fixup if we remove a loop.
7307         * cfganal.c (forwarder_block_p): Protect loop latches, headers
7308         and preheaders.
7309         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
7310         (cfg_layout_can_merge_blocks_p): Likewise.
7311         * cprop.c (bypass_block): If we create a loop with multiple
7312         entries, mark it for removal.
7313         * except.c (emit_to_new_bb_before): Add the new basic-block
7314         to existing loops.
7315         * tree-eh.c (lower_resx): Likewise.
7316         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
7317         (expand_omp_taskreg): Likewise.
7318         * tree-inline.c (initialize_cfun): Likewise.
7319         * tree-mudflap.c (add_bb_to_loop): Prototype.
7320         (mf_build_check_statement_for): Properly add new basic-blocks
7321         to existing loops.
7322         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
7323         if we remove a loop.
7324         (thread_through_loop_header): Likewise.
7325         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
7326         new basic-blocks to existing loops.
7327         (expand_transaction): Likewise.
7328         * Makefile.in (except.o): Add $(CFGLOOP_H).
7329         (expr.o): Likewise.
7330         (cgraph.o): Likewise.
7331         (cprop.o): Likewise.
7332         (cfgexpand.o): Likewise.
7333         (cfganal.o): Likewise.
7334         (trans-mem.o): Likewise.
7335         (tree-eh.o): Likewise.
7337 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
7339         PR target/52692
7340         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
7341         (avr_builtin_decl): New static function.
7342         (struct avr_builtin_description, avr_bdesc): Move up.
7343         Add GTY marker. Add field fndecl. Remove redundant field id.
7344         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
7345         (avr_expand_builtin): Code cleanup because .id is removed.
7347 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
7349         PR target/52737
7350         * config.gcc (tm_file): Remove avr/multilib.h.
7352         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
7354         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
7355         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
7356         * config/avr/t-avr: Remove generation of multilib.h.
7357         * config/avr/t-multilib: Regenerate.
7358         * config/avr/multilib.h: Remove.
7359         * config/avr/avr.opt (-msp8): New option.
7360         (avr_sp8): New variable.
7361         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
7362         * config/avr/avr.h (AVR_HAVE_SPH): New define.
7363         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
7364         (avr_device_to_sp8): New prototype.
7365         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
7366         (DRIVER_SELF_SPECS): New define.
7367         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
7368         __AVR_SP8__, __AVR_HAVE_SPH__.
7369         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
7370         AVR_HAVE_8BIT_SP to decide if SP_H is present.
7371         (avr_file_start): Ditto.
7373 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
7375         PR target/52736
7376         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
7377         instead of 8 in adjust_address.
7379 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
7381         PR middle-end/51893
7382         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
7383         targets.
7385 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
7387         PR target/50751
7388         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
7389         Rearrange conditional logic.  Move displacement address calculations
7390         to ...
7391         (sh_find_mov_disp_adjust): ... this new function.
7393 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7395         * config/arm/arm.opt (mapcs): Remove MaskExists.
7396         * config/cris/linux.opt (mno-gotplt): Likewise.
7397         * config/i386/i386.opt (mhard-float): Likewise.
7398         (msse4): Likewise.
7399         (mno-sse4): Likewise.
7400         * config/m68k/m68k.opt (mhard-float): Likewise.
7401         * config/mep/mep.op (mcop32): Likewise.
7402         * config/pa/pa-hpux.opt (msio): Likewise.
7403         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
7404         * config/picochip/picochip.opt (mlittle): Likewise.
7405         * config/sh/sh.opt (mrenesas): Likewise.
7406         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
7407         * config/sparc/sparc.opt (mhard-float): Likewise.
7408         * config/v850/v850.opt (mv850es): Likewise.
7409         * config/vax/vax.opt (mg-float): Likewise.
7411 2012-03-27  Martin Jambor  <mjambor@suse.cz>
7413         PR middle-end/52693
7414         * tree-sra.c (sra_modify_assign): Do not call
7415         load_assign_lhs_subreplacements when working with an unscalarizable
7416         region.
7418 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
7420         PR target/52698
7421         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
7422         New prototype.
7423         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
7424         * config/i386/i386.c: Include reload.h.
7425         (ix86_legitimize_reload_address): New function.
7427 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7429         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
7430         hasn't been allocated.  Define a target macro for Mask and
7431         InverseMask if it hasn't been defined.  Remove MaskExists handling.
7433         * doc/options.texi: Remove MaskExists.
7435 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
7437         PR target/52667
7438         * config/sh/sh.c (find_barrier): Add equality check of last_got
7439         to avoid going above orig insn. Update comments.
7441 2012-03-27  Richard Guenther  <rguenther@suse.de>
7443         PR middle-end/52720
7444         * fold-const.c (try_move_mult_to_index): Handle &x.array more
7445         explicitely.
7447 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
7449         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
7450         of a unit before computing the offset in units.
7451         * expr.c (get_bit_range): Return the null range if the enclosing record
7452         is part of a larger bit field.
7454 2012-03-27  Tristan Gingold  <gingold@adacore.com>
7456         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
7457         * config/ia64/ia64.md: Remove mode in template.
7458         Sign extend operand in expand_simple_binop.
7459         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
7460         CASE_VECTOR_MODE instead of TARGET_ILP32.
7461         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
7463 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
7465         * varasm.c (assemble_external): #if 0 out the new assert from the
7466         previous commit, it breaks the Java and Go front ends.
7468 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
7470         * toplev.c (check_global_declaration_1): Do not call assemble_external.
7471         * expr.c (emit_block_move_libcall_fn): Likewise.
7472         (clear_storage_libcall_fn): Likewise.
7473         (expand_expr_addr_expr_1): Likewise.
7474         (expand_expr_real_1): Likewise.
7475         * calls.c (rtx_for_function_call): Likewise.
7477         * varasm.c (assemble_external): Assert this function is only called
7478         during or after expanding to RTL.
7480 2012-03-26  Martin Jambor  <mjambor@suse.cz>
7482         PR tree-optimization/50052
7483         * tree-sra.c (tree_non_aligned_mem_p): Removed.
7484         (tree_non_aligned_mem_for_access_p): Likewise.
7485         (build_accesses_from_assign): Removed strict alignment requirements
7486         checks.
7487         (access_precludes_ipa_sra_p): Likewise.
7489 2012-03-26  Richard Guenther  <rguenther@suse.de>
7491         PR tree-optimization/52701
7492         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
7493         compute and set the evolution part of PHI nodes.
7495 2012-03-26  Richard Guenther  <rguenther@suse.de>
7497         PR tree-optimization/52721
7498         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
7500 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
7502         PR tree-optimization/52686
7503         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
7504         WIDEN_LSHIFT_EXPR.
7506 2012-03-26  Tristan Gingold  <gingold@adacore.com>
7508         * config/alpha/vms.h (LINK_SPEC): Simplify.
7509         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
7510         (NAME__MAIN, SYMBOL__MAIN): Remove.
7511         (VMS_DEBUG_MAIN_POINTER): Remove.
7512         * config/ia64/vms.h: Likewise.
7513         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
7514         code to vms.c.  Call vms_start_function.
7515         * config/ia64/ia64.c (ia64_start_function): Likewise.
7516         * config/vms/vms-protos.h (vms_start_function): Declare.
7517         * config/vms/vms.c (vms_start_function): New function.
7518         * config/vms/vms.h (MATH_LIBRARY): Define.
7519         (VMS_DEBUG_MAIN_POINTER): Define.
7521 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
7523         PR rtl-optimization/52629
7524         * reload1.c (count_pseudo): Short-circuit common case.
7525         (count_spilled_pseudo): Return early for pseudos without hard regs.
7526         Assert that the pseudo has got a hard reg before manipulating it.
7528 2012-03-24  Jan Hubicka  <jh@suse.cz>
7530         PR lto/51663
7531         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
7532         (decide_is_variable_needed): Do not handle toplevel reorder here.
7533         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
7534         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
7535         even at -O0.
7537 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
7539         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
7540         and str_bitsize instead of more convoluted expressions.
7542 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
7544         PR target/52610
7545         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
7547 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
7549         PR target/52656
7550         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
7552 2012-03-23  Martin Jambor  <mjambor@suse.cz>
7554         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
7556 2012-03-23  Richard Guenther  <rguenther@suse.de>
7558         PR tree-optimization/52678
7559         * tree-vectorizer.h (struct _stmt_vec_info): Add
7560         loop_phi_evolution_part member.
7561         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
7562         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
7563         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
7564         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
7565         Use the cached evolution part and the PHI nodes value from
7566         the loop preheader edge instead of re-analyzing the evolution.
7568 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
7570         * config/mips/mips-tables.opt: Update.
7571         * config/mips/mips.md (processor): Add xlp.
7572         * config/mips/mips-cpus.def: Add xlp.
7573         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
7574         5KF for now.
7575         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
7576         * doc/invoke.texi: Mention XLP.
7578 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
7580         PR middle-end/52547
7581         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
7582         on any new_local_var_chain vars declared during recursing on
7583         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
7585 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
7587         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
7588         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
7589         (ASM_OUTPUT_LOCAL): Ditto.
7590         (ASM_OUTPUT_COMMON): Remove.
7591         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
7592         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
7594 2012-03-22  Jan Hubicka  <jh@suse.cz>
7596         PR middle-end/51737
7597         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
7598         parameter.
7599         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
7600         * ipa-inline-transform.c (save_inline_function_body): Remove
7601         copied clone if needed.
7602         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
7604 2012-03-22  Richard Guenther  <rguenther@suse.de>
7606         PR middle-end/52666
7607         * fold-const.c (fold_ternary_loc): Fix typo.
7609 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
7611         PR target/52496
7612         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
7613         (unspecv): Add UNSPECV_MEMORY_BARRIER.
7614         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
7615         (delay_cycles_1, delay_cycles_2): Ditto.
7616         (delay_cycles_3, delay_cycles_4): Ditto.
7617         (nopv, *nopv): Ditto.
7618         (sleep, *sleep): Ditto.
7619         (wdr, *wdr): Ditto.
7621 2012-03-22  Richard Guenther  <rguenther@suse.de>
7623         PR tree-optimization/52548
7624         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
7625         because of clobbers.
7626         (prune_clobbered_mems): New function.
7627         (compute_antic_aux): Use it to prune ANTIC_OUT.
7628         (compute_partial_antic_aux): Use it to prune PA_IN.
7629         (compute_avail): Only insert expressions into EXP_GEN that are not
7630         invalidated when translated up to the beginning of the block.
7632 2012-03-22  Richard Guenther  <rguenther@suse.de>
7634         PR tree-optimization/52638
7635         * tree-vect-stmts.c (vect_init_vector_1): New function, split
7636         out from ...
7637         (vect_init_vector): ... here.  Handle scalar vector inits.
7638         (vect_get_vec_def_for_operand): Adjust.
7639         (vectorizable_load): Likewise.
7641 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
7643         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
7644         (alpha*-*-freebsd*): Ditto.
7645         (alpha*-*-netbsd*): Ditto.
7646         (alpha*-*-openbsd*): Ditto.
7647         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
7648         (DWARF2_DEBUGGING_INFO): Remove.
7649         (PREFERRED_DEBUGGING_TYPE): Remove.
7650         (ASM_FINAL_SPEC): Remove.
7651         (IDENT_ASM_OP): Remove.
7652         (ASM_OUTPUT_IDENT): Remove.
7653         (SKIP_ASM_OP): Remove.
7654         (ASM_OUTPUT_SKIP): Remove.
7655         (ALIGN_ASM_OP): Remove.
7656         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
7657         (ASM_OUTPUT_CASE_LABEL): Remove.
7658         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
7659         (COMMON_ASM_OP): Remove.
7660         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7661         (ASCII_DATA_ASM_OP): Remove.
7662         (READONLY_DATA_SECTION_ASM_OP): Remove.
7663         (INIT_SECTION_ASM_OP): Remove.
7664         (FINI_SECTION_ASM_OP): Remove.
7665         (ASM_SECTION_START_OP): Remove.
7666         (ASM_OUTPUT_SECTION_START_FILE): Remove.
7667         (TARGET_ASM_NAMED_SECTION): Remove.
7668         (TARGET_ASM_SELECT_SECTION): Remove.
7669         (MAKE_DECL_ONE_ONLY): Remove.
7670         (TYPE_ASM_OP): Remove.
7671         (SIZE_ASM_OP): Remove.
7672         (ASM_WEAKEN_LABEL): Remove.
7673         (TYPE_OPERAND_FMT): Remove.
7674         (ASM_DECLARE_RESULT): Remove.
7675         (ASM_DECLARE_OBJECT_NAME): Remove.
7676         (ASM_FINISH_DECLARE_OBJECT): Remove.
7677         (ELF_ASCII_ESCAPES): Remove.
7678         (ELF_STRING_LIMIT): Remove.
7679         (STRING_ASM_OP): Remove.
7680         (ASM_OUTPUT_EXTERNAL): Remove.
7681         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
7682         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
7683         before define.
7684         (ASM_DECLARE_FUNCTION_NAME): Ditto.
7685         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
7686         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
7687         (ASM_OUTPUT_SKIP): Ditto.
7688         (READONLY_DATA_SECTION_ASM_OP): Remove.
7689         (USER_LABEL_PREFIX): Remove.
7690         (ASM_OUTPUT_ASCII): Remove.
7691         (ASM_OUTPUT_CASE_LABEL): Remove.
7692         (NO_DOLLAR_IN_LABEL): Undefine.
7694 2012-03-22  Richard Guenther  <rguenther@suse.de>
7696         PR tree-optimization/52459
7697         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
7698         PHI insertion for calls.
7700 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
7702         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
7703         find_sets_in_insn, canonicalize_insn): Split out from ...
7704         (cse_insn): ... here.
7705         (invalidate_from_clobbers): Take an insn instead of the pattern.
7707 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
7709         PR target/52479
7710         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
7711         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
7712         * config/sh/sh.md (sindf2, cosdf2): Remove.
7714 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
7716         PR target/52642
7717         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
7718         prologue for unwinder and profiler.
7720 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
7722         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
7723         Introduce emul_name to select the right linker emulation for
7724         powerpc64-*-freebsd*.
7725         * configure: Regenerate.
7726         * config.gcc: Add bits to support powerpc64-*-freebsd*.
7727         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
7728         * config/rs6000/freebsd64.h: New file.
7729         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
7730         POWERPC_FREEBSD.
7731         (rs6000_savres_strategy): Likewise.
7732         (rs6000_savres_routine_name): Likewise.
7733         (rs6000_elf_file_end): Likewise.
7734         * config/rs6000/t-freebsd64: New file.
7735         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
7736         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
7738         * config/rs6000/freebsd64.h: Remove duplicated entries from last
7739         commit.
7740         * config/rs6000/t-freebsd64: Likewise.
7742 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
7744         PR rtl-optimization/52543
7745         PR target/52461
7746         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
7747         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
7748         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
7749         (avr_load_libgcc_p): Restrict to __flash loads.
7750         (avr_out_lpm): Only handle 1-byte loads from __flash.
7751         (avr_load_lpm): New function.
7752         (avr_find_unused_d_reg): Remove.
7753         (avr_out_lpm_no_lpmx): Remove.
7754         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
7755         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
7756         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
7757         (load_<mode>, load_<mode>_clobber): New insns.
7758         (mov<mode>): For multi-byte move from non-generic
7759         16-bit address spaces: Expand to load_<mode> resp.
7760         load_<mode>_clobber.
7761         (load<mode>_libgcc): Remove expander.
7762         (split-lpmx): Remove split.
7764 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
7766         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
7767         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
7768         All callers changed.
7769         (Fixed_core_reg): New feature.
7770         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
7771         disassembly.
7772         * neon-testgen.ml: Handle Fixed_core_reg.
7774 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
7776         * config/arm/arm.c (thumb2_reorg): Add complete support
7777         for 16-bit instructions.
7778         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
7780 2012-03-21  Richard Guenther  <rguenther@suse.de>
7782         PR tree-optimizer/52636
7783         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
7784         to the appropriate type.
7786 2012-03-21  Richard Guenther  <rguenther@suse.de>
7788         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
7789         dependencies.
7790         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
7791         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
7792         * passes.c (init_optimization_passes): Remove pass_init_function,
7793         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
7794         * tree-pass.h (pass_init_function): Remove.
7795         (pass_jump): Remove.
7796         (pass_initial_value_sets): Remove.
7797         (pass_unshare_all_rtl): Remove.
7798         * integrate.c (pass_initial_value_sets): Remove.
7799         * emit-rtl.c (pass_unshare_all_rtl): Remove.
7800         * tree.h (init_function_for_compilation): Remove.
7801         * function.c (init_function_for_compilation): Remove.
7802         (pass_init_function): Remove.
7803         * cfgcleanup.c (rest_of_handle_jump): Remove.
7804         (pass_jump): Remove.
7806 2012-03-20  Jason Merrill  <jason@redhat.com>
7808         * tree-streamer-in.c (streamer_alloc_tree): Call
7809         ggc_alloc_zone_cleared_tree_node instead of
7810         ggc_alloc_zone_cleared_tree_node_stat.
7812 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
7814         * doc/extend.texi (Template Instantiation): Remove anachronisms.
7816 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
7818         PR target/52607
7819         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
7820         (ix86_expand_vec_perm_const_1): Call it.
7822         * config/i386/i386.c (vselect_insn): New variable.
7823         (init_vselect_insn): New function.
7824         (expand_vselect, expand_vselect_insn): Add testing_p argument.
7825         Call init_vselect_insn if vselect_insn is NULL.  Adjust
7826         PATTERN (vselect_insn), instead of creating a new insn each time,
7827         only emit a copy of it if not testing and recog has been successful.
7828         (expand_vec_perm_pshufb, expand_vec_perm_1,
7829         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
7830         callers.
7832         PR target/52607
7833         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
7834         ("enabled" attribute): Handle avx2 and noavx2 isas.
7835         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
7836         New insns.
7837         (vec_dup<mode>): Add avx2 =x,x alternative.
7838         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
7839         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
7840         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
7841         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
7842         for V8SFmode.
7843         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
7844         if possible, handle also V8SFmode.
7846 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
7848         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
7849         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
7850         reg_or_zero_operand predicate.
7851         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
7853 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
7855         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
7856         If operand isn't UNSPEC, return 0.
7858 2012-03-20  Richard Guenther  <rguenther@suse.de>
7860         * tree-pass.h (pass_rtl_eh): Remove.
7861         * except.c (gate_handle_eh): Likewise.
7862         (rest_of_handle_eh): Likewise.
7863         (pass_rtl_eh): Likewise.
7864         (finish_eh_generation): Export.
7865         * except.h (finish_eh_generation): Declare.
7866         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
7867         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
7868         after expanding stack alignment.  Instead of compacting blocks
7869         call cleanup_cfg.
7871 2012-03-20  Richard Guenther  <rguenther@suse.de>
7873         * stor-layout.c (finish_bitfield_representative): Fallback
7874         to conservative maximum size if the padding up to the next
7875         field cannot be computed as a constant.
7876         (finish_bitfield_layout): If we cannot compute the distance
7877         between the start of the bitfield representative and the
7878         bitfield member start a new representative.
7879         * expr.c (get_bit_range): The distance between the start of
7880         the bitfield representative and the bitfield member is zero
7881         if the field offsets are not constants.
7883 2012-03-20  Tristan Gingold  <gingold@adacore.com>
7885         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
7886         convert in lowercase.
7887         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
7888         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
7889         * stor-layout.c (sizetype_tab): Adjust.
7890         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
7891         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
7892         instead of type_kind_last.
7893         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
7894         instead of size_int_kind.
7895         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
7896         * doc/tm.texi: Regenerate.
7897         * defaults.h (SIZETYPE): Provide a default value.
7898         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
7899         (SIZETYPE): Define.
7901 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
7903         * config/sh/sh.md: Use braced string notation where applicable.
7905 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7907         * config/i386/i386.md (allocate_stack): Simplify.
7909 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7911         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
7912         copy_to_mode_reg (Pmode, ...).
7913         (expand_builtin_frame_address): Ditto.
7914         * expr.c (emit_block_move_via_libcall): Ditto.
7915         (set_storage_via_libcall): Ditto.
7917         * config/i386/i386.c (ix86_expand_movmem): Ditto.
7918         (ix86_expand_setmem): Ditto.
7919         (ix86_trampoline_init): DItto.
7920         * config/i386/i386.md (cmpstrnsi): Ditto.
7922 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
7924         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
7925         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
7926         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
7927         (SH Options): Likewise.
7929 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7931         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
7932         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
7933         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
7934         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
7935         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
7937         Revert:
7938         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7940         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
7941         * config/i386/i386.c (ix86_decompose_address): Use
7942         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
7943         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
7944         thread pointer to a register.
7946         Revert:
7947         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
7949         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
7950         if Pmode != word_mode.
7951         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
7952         Pmode == SImode for TARGET_X32.
7954         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
7955         (tls_initial_exec_x32): Likewise.
7957 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
7959         PR target/50751
7960         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
7961         DISP_ADDR_OFFSET): New macros.
7962         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
7963         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
7964         (sh_legitimize_address): Add QImode displacement handling.
7965         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
7966         vector subregs.
7967         (sh_secondary_reload): Add QImode displacement handling.
7968         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
7969         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
7970         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
7971         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
7972         to register operands only.
7973         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
7974         (extendqihi2): Change insn to expander.
7975         (*extendqihi2_compact_reg): New insn.
7976         (movqi_i, movqi): Replace with ...
7977         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
7978         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
7979         Add new peepholes for QImode displacement addressing.
7981 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
7983         PR c++/14710
7984         * doc/invoke.texi: Document -Wuseless-cast.
7986 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
7988         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
7989         * tree.h (handled_component_p): Reorder cases.
7990         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
7991         not initialize unsignedp.
7992         (loc_list_from_tree): Likewise.
7993         (fortran_common): Likewise.
7994         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
7996 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7998         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
7999         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
8000         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
8001         (ix86_split_long_move): Ditto.
8002         (legitimize_tls_address): Use ix86_gen_sub3.
8003         (construct_plt_address): Assert that Pmode == DImode.
8005 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
8007         * config/i386/i386.md: Remove empty predicates and/or constraints.
8008         * config/i386/sync.md: Ditto.
8009         * config/i386/sse.md: Ditto.
8010         * config/i386/mmx.md: Ditto.
8011         * config/i386/pentium.md: Ditto.
8012         * config/i386/athlon.md: Ditto.
8014 2012-03-16  Richard Guenther  <rguenther@suse.de>
8016         PR tree-optimization/52603
8017         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
8018         comment.
8020         Revert
8021         2012-03-14  Richard Guenther  <rguenther@suse.de>
8023         PR tree-optimization/52571
8024         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
8025         flag_section_anchors check ...
8026         (vect_can_force_dr_alignment_p): ... here.
8028 2012-03-16  Martin Jambor  <mjambor@suse.cz>
8030         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
8031         memory through MEM_REFs by calling extract_bit_field.
8033 2012-03-16  Richard Guenther  <rguenther@suse.de>
8035         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
8036         and REFERENCE_TYPE interpretations.
8037         (can_native_interpret_type_p): New function.
8038         (fold_ternary_loc): Use native encode/interpret to fold
8039         BIT_FIELD_REFs of constants.
8041 2012-03-16  Richard Guenther  <rguenther@suse.de>
8043         PR middle-end/52584
8044         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
8045         of vector constants and constructors.
8047 2012-03-16  Richard Guenther  <rguenther@suse.de>
8049         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
8050         VIEW_CONVERT_EXPR to convert constants.
8051         (vect_is_simple_use): Treat all constants as vec_constant_def.
8053 2012-03-16  Richard Guenther  <rguenther@suse.de>
8054             Kai Tietz  <ktietz@redhat.com>
8056         PR middle-end/48814
8057         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
8058         side-effects completely in the pre-queue and use a temporary
8059         for the result.
8061 2012-03-16  Richard Guenther  <rguenther@suse.de>
8063         * stor-layout.c (finish_bitfield_representative): Fall back
8064         to the conservative maximum size if we cannot compute the
8065         size of the tail padding.
8067 2012-03-16  Tristan Gingold  <gingold@adacore.com>
8069         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
8070         __CRTL_VER and __VMS_VER.
8071         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
8072         and vms_c_get_vms_ver.
8073         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
8074         functions.
8075         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
8076         (VMS_DEFAULT_VMS_VER): Define.
8077         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
8078         (VMS_DEFAULT_VMS_VER): Define.
8080 2012-03-16  Richard Guenther  <rguenther@suse.de>
8082         * tree-vect-loop.c (get_initial_def_for_induction): Use
8083         build_constructor directly.
8084         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
8085         build_vector_from_val.
8086         * tree.c (build_vector_from_val): Avoid creating a constructor
8087         first when we want a constant vector.
8089 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8091         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
8093 2012-03-16  Richard Guenther  <rguenther@suse.de>
8095         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
8096         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
8097         (struct tree_vector): Remove elements member, add variable size
8098         elts array member.
8099         (build_vector_stat): Declare.
8100         (build_vector): Define in terms of build_vector_stat.
8101         * tree.c (build_vector): Rename to ...
8102         (build_vector_stat): ... this.  Take array of trees as parameter.
8103         (build_vector_from_ctor): Adjust.
8104         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
8105         initializer_zerop): Adjust.
8106         * cfgexpand.c (expand_debug_expr): Likewise.
8107         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
8108         const_vector_from_tree): Likewise.
8109         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
8110         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
8111         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
8112         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
8113         (lto_input_ts_vector_tree_pointers): Adjust.
8114         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
8115         (write_ts_vector_tree_pointers): Adjust.
8116         * varasm.c (const_hash_1, compare_constant, copy_constant,
8117         output_constant): Adjust.
8118         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
8119         * print-tree.c (print_node): Adjust.
8120         * tree-pretty-print.c (dump_generic_node): Adjust.
8121         * tree-vect-generic.c (uniform_vector_p, vector_element,
8122         lower_vec_perm): Adjust.
8123         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
8124         * tree-vect-slp.c (vect_get_constant_vectors,
8125         vect_transform_slp_perm_load): Adjust.
8126         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
8127         * expmed.c (make_tree): Adjust.
8128         * config/i386/i386.c (ix86_expand_builtin): Adjust.
8129         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
8130         and implementation.
8131         (sparc_fold_builtin): Adjust.
8133 2012-03-16  Tristan Gingold  <gingold@adacore.com>
8135         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
8136         * config/vms/vms-stdint.h: New file.
8138 2012-03-16  Tristan Gingold  <gingold@adacore.com>
8140         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
8141         (ia64-hp-*vms*): Replaced by ...
8142         (*-*-*vms*): ... This new entry.
8144 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
8146         PR target/52568
8147         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
8148         (ix86_expand_vec_perm_const_1): Use it.
8150         PR target/52568
8151         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
8152         (avx2_permv4df): Remove.
8153         (avx2_permv4di): Macroize into...
8154         (avx2_perm<mode>): ... this using VI8F_256 iterator.
8155         (avx2_permv4di_1): Macroize into...
8156         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
8158 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
8160         * combine.c (apply_distributive_law): Do not distribute SUBREG.
8162 2012-03-15  Ira Rosen  <irar@il.ibm.com>
8163             Ulrich Weigand  <ulrich.weigand@linaro.org>
8165         * tree-vect-patterns.c (widened_name_p): Rename to ...
8166         (type_conversion_p): ... this.  Add new argument to determine
8167         if it's a promotion or demotion operation.  Check for
8168         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
8169         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
8170         widened_name_p.
8171         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
8172         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
8173         Likewise.
8174         (vect_recog_mixed_size_cond_pattern): Likewise and allow
8175         non-constant then and else clauses.
8177 2012-03-15  Ira Rosen  <irar@il.ibm.com>
8178             Ulrich Weigand  <ulrich.weigand@linaro.org>
8180         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
8181         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
8182         vect_pattern_recog.
8183         * tree-vect-patterns.c (widened_name_p): Pass basic block
8184         info to vect_is_simple_use.
8185         (vect_recog_dot_prod_pattern): Fail for basic blocks.
8186         (vect_recog_widen_sum_pattern): Likewise.
8187         (vect_handle_widen_op_by_const): Support basic blocks.
8188         (vect_operation_fits_smaller_type,
8189         vect_recog_over_widening_pattern): Likewise.
8190         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
8191         Update call to vect_is_simple_use.
8192         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
8193         Add printing.
8194         (check_bool_pattern): Add an argument, update call to
8195         vect_is_simple_use and the recursive calls.
8196         (vect_recog_bool_pattern): Update relevant function calls.
8197         Add printing.
8198         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
8199         (vect_pattern_recog_1): Check for reduction only in loops.
8200         (vect_pattern_recog): Add new argument.  Support basic blocks.
8201         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
8202         info to vect_is_simple_use_1.
8203         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
8204         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
8206 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
8207             Andrew Pinski  <apinski@cavium.com>
8209         PR middle-end/52592
8210         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
8211         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
8212         calls instead of __builtin_ir{int,ound}*.
8214 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8216         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
8217         documentation.
8219 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
8221         * config.gcc (target_type_format_char): New. Document it. Set it for
8222         arm*-*-* .
8223         * configure.ac (gnu_unique_option): Use target_type_format_char
8224         in test.  Comment rationale.
8225         * configure: Regenerate .
8227 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
8229         PR tree-optimization/52267
8230         * tree-vrp.c (masked_increment): New function.
8231         (register_edge_assert_for_2): Derive ASSERT_EXPRs
8232         from (X & CST1) cmp CST2 tests.
8234 2012-03-15  Richard Guenther  <rguenther@suse.de>
8236         PR middle-end/52580
8237         * tree-data-ref.c (subscript_dependence_tester_1): Check
8238         all dimensions for non-conflicting access functions.
8240 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8242         PR c++/44783
8243         * doc/invoke.texi [C++ Language Options]: Document
8244         -ftemplate-backtrace-limit.
8246 2012-03-15  Tristan Gingold  <gingold@adacore.com>
8248         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
8249         before a parameter.
8251 2012-03-15  Tristan Gingold  <gingold@adacore.com>
8253         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
8254         use DW_OP_call_frame_cfa.
8256 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
8258         PR target/50797
8259         * config/i386/i386-opts.h (pmode): New.
8261         * config/i386/i386.c (ix86_option_override_internal): Properly
8262         check and set ix86_pmode.
8264         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
8266         * config/i386/i386.opt (maddress-mode=): New.
8268         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
8270 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8272         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
8273         (dwarf2out_do_cfi_asm): Likewise.
8274         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
8275         handling.
8276         (add_data_member_location_attribute): Likewise.
8277         (gen_array_type_die): Likewise.
8278         (gen_subprogram_die): Likewise.
8279         (gen_producer_string): Likewise.
8280         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
8281         Remove MIPS_DEBUGGING_INFO handling.
8282         (sdb_debug_hooks): Likewise.
8283         (sdbout_begin_block): Likewise.
8284         (sdbout_end_block): Likewise.
8285         (sdbout_begin_prologue): Likewise.
8286         (sdbout_start_source_file): Likewise.
8287         (sdbout_end_source_file): Likewise.
8288         (sdbout_init): Likewise.
8289         * system.h (MIPS_DEBUGGING_INFO): Poison.
8291 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8293         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
8294         (alpha_file_start) [MS_STAMP]: Remove.
8296         * config/alpha/elf.h (TARGET_GAS): Remove.
8297         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
8298         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
8299         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
8300         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
8301         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
8302         (alpha*-*-freebsd*): Likewise.
8303         (alpha*-*-netbsd*): Likewise.
8304         (alpha*-*-openbsd*): Likewise.
8305         (alpha*-*-*): Remove target_cpu_default2.
8306         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
8307         handling.
8308         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
8309         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
8310         * config/alpha/alpha.c (print_operand): Always assume
8311         TARGET_AS_SLASH_BEFORE_SUFFIX.
8312         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
8313         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
8314         ("*builtin_setjmp_receiver_er_1"): Remove.
8315         * config/alpha/alpha.opt (malpha-as): Remove.
8316         (mgas): Ignore.
8317         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
8318         -malpha-as, -mgas.
8319         Remove DEC Unix reference.
8321         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
8322         (EXTENDED_COFF): Remove.
8323         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
8324         (EXTENDED_COFF): Don't undef.
8325         * config/alpha/alpha.c (alpha_file_start): Always assume
8326         OBJECT_FORMAT_ELF.
8327         Don't set targetm.asm_file_start_file_directive.
8328         [!OBJECT_FORMAT_ELF]: Remove.
8329         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
8331         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
8332         (DBX_DEBUGGING_INFO): Remove.
8333         (MIPS_DEBUGGING_INFO): Remove.
8334         (PREFERRED_DEBUGGING_TYPE): Remove.
8335         (DBX_OUTPUT_SOURCE_LINE): Remove.
8336         (SDB_OUTPUT_SOURCE_LINE): Remove.
8337         (DBX_CONTIN_LENGTH): Remove.
8338         (NO_DBX_FUNCTION_END): Remove.
8339         (ASM_STABS_OP): Remove.
8340         (ASM_STABN_OP): Remove.
8341         (ASM_STABD_OP): Remove.
8342         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
8343         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
8344         (PUT_SDB_DEF): Remove.
8345         (PUT_SDB_PLAIN_DEF): Remove.
8346         (PUT_SDB_TYPE): Remove.
8347         (sdb_label_count): Remove.
8348         (PUT_SDB_BLOCK_START): Remove.
8349         (PUT_SDB_BLOCK_END): Remove.
8350         (PUT_SDB_FUNCTION_START): Remove.
8351         (PUT_SDB_FUNCTION_END): Remove.
8352         (PUT_SDB_EPILOGUE_END): Remove.
8353         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
8354         (MIPS_DEBUGGING_INFO): Don't undef.
8355         (DBX_DEBUGGING_INFO): Don't undef.
8356         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
8357         (MIPS_DEBUGGING_INFO): Don't undef.
8358         (DBX_DEBUGGING_INFO): Don't undef.
8359         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
8360         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
8361         handling.
8362         (alpha_start_function): Likewise.
8363         (sdb_label_count): Remove.
8364         (alpha_output_filename): Remove DBX_DEBUG handling.
8365         (alpha_file_start): Likewise.
8367 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8369         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
8370         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
8371         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
8372         Solaris 8 support.
8373         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
8374         (ld_tls_support): Remove Solaris 8 references.
8375         (lwp_dir, lwp_spec): Remove support for alternate thread library.
8376         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
8377         * configure: Regenerate.
8378         * config.in: Regenerate.
8380         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
8381         * config/i386/sol2.h: Remove Solaris 8 references.
8383         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
8384         (i?86-*-solaris2.9): ... this.
8385         Remove Solaris 8 references.
8386         (Specific, *-*-solaris2*): Document Solaris 8 removal.
8387         Remove Solaris 8 references.
8389 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8391         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
8392         (mips-sgi-irix6.5*): Remove.
8393         * config.host (mips-sgi-irix*): Remove.
8394         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
8395         (set_have_as_tls): Remove *-*-irix6*.
8396         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
8397         * configure: Regenerate.
8399         * config/mips/iris6.h: Remove.
8400         * config/mips/iris6.opt: Remove.
8401         * config/mips/t-irix6: Remove.
8403         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
8404         (TARGET_IRIX6): Remove.
8405         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
8406         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
8407         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
8408         handling.
8409         (mips_file_start): Likewise.
8410         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
8412         * config/mips/driver-native.c [__sgi__]: Remove.
8413         (host_detect_local_cpu) [__sgi__]: Remove.
8415         * config/mips/gnu-user.h: Remove iris5.h reference.
8417         * config/mips/mips-modes.def: Remove IRIX 6 reference.
8418         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
8419         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
8420         Remove.
8422         * gcc.c (main): Move asm_debug initialization ...
8423         (asm_debug): ... here.
8425         * ginclude/stddef.h (__STDDEF_H__): Don't define.
8427         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
8428         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
8429         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
8430         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
8431         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
8432         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
8433         Remove.
8434         * doc/tm.texi: Regenerate.
8436         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
8437         IRIX 6 reference.
8438         (MIPS Options, -march): Remove IRIX reference.
8439         * doc/install.texi (Binaries, SGI IRIX): Remove.
8440         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
8441         of section.
8442         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
8444 2012-03-14  Martin Jambor  <mjambor@suse.cz>
8446         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
8447         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
8448         (expand_expr_real_1): Do not handle misalignment if modifier is
8449         EXPAND_WRITE.
8451 2012-03-14  Richard Guenther  <rguenther@suse.de>
8453         PR middle-end/52584
8454         * tree-vect-generic.c (type_for_widest_vector_mode): Take
8455         element type instead of mode, use build_vector_type_for_mode
8456         instead of the langhook, build a vector of proper signedness.
8457         (expand_vector_operations_1): Adjust.
8459 2012-03-14  Richard Guenther  <rguenther@suse.de>
8461         PR middle-end/52582
8462         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
8463         a cgraph node for a FUNCTION_DECL that comes from a constructor.
8464         (gimple_get_virt_method_for_binfo): Likewise.
8466 2012-03-14  Richard Guenther  <rguenther@suse.de>
8468         PR tree-optimization/52571
8469         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
8470         flag_section_anchors check ...
8471         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
8472         DECL_COMMON variables.
8474 2012-03-14  Richard Guenther  <rguenther@suse.de>
8476         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
8477         * stor-layout.c (start_bitfield_representative): New function.
8478         (finish_bitfield_representative): Likewise.
8479         (finish_bitfield_layout): Likewise.
8480         (finish_record_layout): Call finish_bitfield_layout.
8481         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
8482         for QUAL_UNION_TYPE fields.
8483         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
8484         Stream DECL_BIT_FIELD_REPRESENTATIVE.
8485         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
8487         PR middle-end/52080
8488         PR middle-end/52097
8489         PR middle-end/48124
8490         * expr.c (get_bit_range): Unconditionally extract bitrange
8491         from DECL_BIT_FIELD_REPRESENTATIVE.
8492         (expand_assignment): Adjust call to get_bit_range.
8494 2012-03-14  Richard Guenther  <rguenther@suse.de>
8496         PR middle-end/52578
8497         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
8498         the outermost conversion is a sign-change only.
8499         (fold_binary_loc): Disregard widening and sign-changing
8500         conversions when we determine if two variables are equal
8501         for reassociation.
8502         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
8503         (T1)x if the outermost conversion is a sign-change only.
8505 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
8507         Revert:
8508         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
8510         * config/i386/predicates.md (constant_call_address_operand): Declare
8511         as special predicate.  Update all uses.
8513 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
8515         PR c/52577
8516         * c-parser.c (c_parser_postfix_expression)
8517         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
8519         * config/i386/smmintrin.h: Avoid /* within a comment.
8520         * config/i386/nmmintrin.h: Likewise.
8522 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
8524         * config/i386/i386.md (xbegin): Remove constraint from expander.
8526 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
8528         * config/i386/predicates.md (constant_call_address_operand): Declare
8529         as special predicate.  Update all uses.
8530         * config/i386/i386.md: Remove mode from constant_call_address_operand
8531         predicates.
8532         * config/i386/i386.c (ix86_output_call_insn): Call
8533         constant_call_address_operand with VOIDmode.
8535 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
8537         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
8538         AND zero extended address correctly.
8540 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
8542         * config/i386/predicates.md (tls_symbolic_operand): Declare as
8543         special predicate.
8544         (tls_modbase_operand): Ditto.
8545         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
8546         tls_modbase_operand predicates.
8548 2012-03-13  Martin Jambor  <mjambor@suse.cz>
8550         * expr.c (expand_assignment): Handle misaligned scalar writes to
8551         memory through top-level MEM_REFs by calling store_bit_field.
8553 2012-03-13  Richard Guenther  <rguenther@suse.de>
8555         PR middle-end/52134
8556         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
8557         if Y is a constant multiple of 1 << CST.
8559 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
8561         PR target/52488
8562         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
8563         offset (size) to a value the insns can deal with.
8564         (expand_epilogue): Ditto.
8566 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8568         * config/arm/neon.ml (ops): Fixup expected instructions for
8569         unsigned vector compares.
8571 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
8573         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
8574         addresses only when %reg is not in word mode.
8576 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8578         * config/microblaze/microblaze.md: Fix typo.
8579         * tree-if-conv.c: Likewise.
8580         * tree-vect-patterns.c: Likewise.
8582 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8584         * config.gcc (extra_passes): Remove.
8585         * configure.ac (extra_passes): Don't substitute.
8586         * configure: Regenerate.
8587         * Makefile.in (EXTRA_PASSES): Remove.
8588         (GCC_PASSES): Remove $(EXTRA_PASSES).
8589         (MOSTLYCLEANFILES): Likewise.
8590         (native): Likewise.
8591         (install-common): Likewise.
8593 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
8595         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
8596         * config/i386/i386.c (ix86_decompose_address): Use
8597         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
8598         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
8599         thread pointer to a register.
8601 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8603         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
8604         on tls_symbolic_operand.
8605         (tls_global_dynamic_64_<mode>): Likewise.
8607 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
8609         PR other/52545
8610         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
8611         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
8613 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
8615         PR target/52499
8616         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
8617         type from reg_class_t to enum reg_class.
8618         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
8620 2012-03-12  Andrew Pinski  <apinski@cavium.com>
8622         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
8623         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
8624         (value_replacement): Likewise.
8625         (empty_block_p): Check also if the PHIs for the block are empty.
8627 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
8629         PR target/52148
8630         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
8631         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
8632         r184615 from 2012-02-28.
8634 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8636         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
8637         (ix86_gen_tls_local_dynamic_base_64): Likewise.
8638         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
8639         and ix86_gen_tls_local_dynamic_base_64.
8640         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
8641         ix86_gen_tls_local_dynamic_base_64.
8643         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
8644         (*tls_global_dynamic_64_<mode>): This.
8645         (tls_global_dynamic_64): Renamed to ...
8646         (tls_global_dynamic_64_<mode>): This.
8647         (*tls_local_dynamic_base_64): Renamed to ...
8648         (*tls_local_dynamic_base_64_<mode>): This.
8649         (tls_local_dynamic_base_64): Renamed to ...
8650         (tls_local_dynamic_base_64_<mode>): This.
8652 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8654         * config/i386/i386.c (ix86_option_override_internal): Properly
8655         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
8656         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
8657         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
8658         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
8660         * config/i386/sse.md (sse3_monitor64): Renamed to ...
8661         (sse3_monitor64_<mode>): This.
8663 2012-03-12  Tristan Gingold  <gingold@adacore.com>
8665         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
8666         (ia64_function_arg_advance): Ditto.
8668 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8670         * config.gcc (mips*-*-openbsd*): Remove.
8671         * config/mips/openbsd.h: Remove.
8672         * config/mips/sdb.h: Remove.
8674         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
8675         * config/mips/mips.c (sdb_label_count): Remove.
8676         (mips_debugger_offset): Remove #if 0 code.
8677         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
8678         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
8680 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8682         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
8683         binutils reference.
8684         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
8685         Update binutils references.
8686         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
8687         Update binutils reference.
8688         Update Sun as/GNU ld caveat.
8689         Document binutils largefile requirement for LTO plugin.
8690         Remove reference to alternate libpthread.
8692 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8694         * config.gcc (alpha*-dec-osf5.1*): Remove.
8695         * config.host (alpha*-dec-osf*): Remove.
8696         * configure.ac (*-*-osf*): Remove.
8697         (alpha*-dec-osf*): Remove.
8698         * configure: Regenerate.
8700         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
8701         config/alpha/va_list.h, config/alpha/x-osf: Remove.
8703         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
8704         * config/alpha/alpha.c (struct machine_function): Update comment.
8705         (alpha_start_function): Remove Tru64 UNIX as handling for
8706         max_frame_size.
8707         * config/alpha/alpha.md ("exception_receiver"): Remove
8708         TARGET_LD_BUGGY_LDGP.
8709         ("*exception_receiver_2"): Likewise.
8710         * except.c (finish_eh_generation): Remove Tru64 reference.
8711         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
8712         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
8713         * target.def (handle_pragma_extern_prefix): Remove.
8715         * Makefile.in (mips-tfile.o-warn): Remove.
8716         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
8717         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
8718         * mips-tdump.c, mips-tfile.c: Remove.
8720         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
8721         extern_prefix.
8722         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
8723         (Specific, alpha*-dec-osf5.1): Note removal.
8724         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
8725         Remove.
8726         * doc/tm.texi: Regenerate.
8727         * doc/trouble.texi (Cross-Compiler Problems): Remove.
8729 2012-03-12  Richard Guenther  <rguenther@suse.de>
8731         * config/arm/arm.c (neon_dereference_pointer): Do not call
8732         covert during RTL expansion.
8734 2012-03-12  Tristan Gingold  <gingold@adacore.com>
8736         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
8737         Options.  Mention -mpointer-size.
8739 2012-03-12  Richard Guenther  <rguenther@suse.de>
8741         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
8742         build_nonstandard_integer_type.
8744 2012-03-12  Richard Guenther  <rguenther@suse.de>
8746         * tree.c (signed_or_unsigned_type_for): Use
8747         build_nonstandard_integer_type.
8748         (signed_type_for): Adjust documentation.
8749         (unsigned_type_for): Likewise.
8750         * tree-pretty-print.c (dump_generic_node): Use standard names
8751         for non-standard integer types if available.
8753 2012-03-12  Tristan Gingold  <gingold@adacore.com>
8755         * config/vms/vms.opt: Add vms-opts.h header.
8756         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
8757         target mask.
8758         (-mvms-return-codes): Document.
8759         (-mpointer-size): New option.
8760         (vms_pointer_size): Add enumeration.
8761         * config/vms/vms-opts.h: New file.
8762         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
8763         __INITIAL_POINTER_SIZE.
8764         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
8765         (C_COMMON_OVERRIDE_OPTIONS): Define.
8766         (DWARF2_ADDR_SIZE): Define.
8767         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
8768         * config/vms/vms-protos.h (vms_c_common_override_options):
8769         New prototype.
8770         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
8771         if -mno-pointer-size.
8772         (vms_c_common_override_options): New function.
8773         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
8774         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
8775         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
8776         and flag_vms_pointer_size.
8777         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
8778         * config.gcc (*-*-*vms*): Define xm_file.
8779         (alpha*-dec-*vms*): Do not define xm_file.
8780         (alpha64-dec-*vms*): Remove.
8781         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
8782         and tmake_file.
8784 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
8786         PR tree-optimization/51721
8787         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
8788         if (int) unsvar cmp CST.
8790 2012-03-12  Richard Guenther  <rguenther@suse.de>
8792         * tree-sra.c (create_access_replacement): Only rename the replacement
8793         if we can rewrite it into SSA form.  Properly mark register typed
8794         replacements that we cannot rewrite with TREE_ADDRESSABLE.
8795         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
8796         for aggregate or BLKmode results.
8798 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
8800         PR tree-optimization/52533
8801         * tree-vrp.c (register_edge_assert_for_2): Use double_int
8802         type for mask, only handle shifts by non-zero in-range
8803         shift count, for LE_EXPR and GT_EXPR if new_val is
8804         maximum, don't add the assertion.
8806 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
8808         * doc/invoke.texi: Document -mrtm option.
8809         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
8810         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
8811         (ix86_handle_option): Handle OPT_mrtm.
8812         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
8813         xtestintrin.h.
8814         (x86_64-*-*): Ditto.
8815         * i386-builtin-types.def (INT_FTYPE_VOID): New.
8816         * config/i386/i386-c.c (ix86_target_macros_internal): Define
8817         __RTM__ if needed.
8818         (ix86_target_string): Define -mrtm option.
8819         (PTA_RTM): New.
8820         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
8821         Handle new option.
8822         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
8823         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
8824         IX86_BUILTIN_XTEST.
8825         (bdesc_special_args): Ditto.
8826         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
8827         (ix86_expand_special_args_builtin): Handle new built-in type.
8828         (ix86_expand_builtin): Handle XABORT instruction.
8829         * config/i386/i386.h (TARGET_RTM): New.
8830         * config/i386/i386.md (UNSPECV_XBEGIN): New.
8831         (UNSPECV_XEND): Ditto.
8832         (UNSPECV_XABORT): Ditto.
8833         (UNSPECV_XTEST): Ditto.
8834         (xbegin): Ditto.
8835         (xbegin_1): Ditto.
8836         (xend): Ditto.
8837         (xabort): Ditto
8838         (xtest): Ditto.
8839         (xtest_1): Ditto.
8840         * config/i386/i386.opt (mrtm): New.
8841         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
8842         * config/i386/rtmintrin.h: New header.
8843         * config/i386/xtestintrin.h: Ditto.
8845 2012-03-12  Tristan Gingold  <gingold@adacore.com>
8847         * ginclude/stddef.h: Adjust previous patch.
8848         Use __VMS__ instead of VMS.
8850 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
8852         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
8853         Also convert sequences with CC setting arithmetic instruction.
8855 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
8857         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
8858         from C Language Options to Preprocessor Options.
8859         (C Dialect Options): Move -no-integrated-cpp documentation
8860         from here...
8861         (Preprocessor Options): ...to here.  Rewrite the description
8862         so it makes more sense, and remove discussion of merging front ends.
8864 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
8866         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
8867         needed for loop.
8868         (ix86_expand_setmem): Likewise.
8870 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
8872         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
8873         convert_to_mode.
8875 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
8877         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
8878         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
8880 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
8882         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
8884 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
8886         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
8887         TARGET_64BIT.
8889 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
8890             Uros Bizjak  <ubizjak@gmail.com>
8892         * config/i386/predicates.md (call_insn_operand): Allow
8893         constant_call_address_operand in Pmode only.
8894         (sibcall_insn_operand): Ditto.
8895         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
8896         (*call_vzeroupper): Ditto.
8897         (*sibcall): Ditto.
8898         (*sibcall_vzeroupper): Ditto.
8899         (*call_value): Ditto.
8900         (*call_value_vzeroupper): Ditto.
8901         (*sibcall_value): Ditto.
8902         (*sibcall_value_vzeroupper): Ditto.
8903         (*indirect_jump): Ditto.
8904         (*tablejump_1): Ditto.
8905         (indirect_jump): Convert memory address to word mode for TARGET_X32.
8906         (tablejump): Ditto.
8907         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
8908         to word mode.
8910 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
8912         PR target/51244
8913         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
8914         Use movrt_negc instead of negc pattern for non-SH2A.
8915         (*movnegt): Remove.
8916         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
8918 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8920         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
8921         if Pmode != word_mode.
8922         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
8923         Pmode == SImode for TARGET_X32.
8925         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
8926         (tls_initial_exec_x32): Likewise.
8928 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
8930         PR rtl-optimization/52528
8931         * combine.c (can_combine_p): Add setting of subst_low_luid
8932         before call to expand_field_assignment().
8934 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
8936         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
8937         and related program names.
8939 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
8941         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
8943 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
8945         PR target/52530
8946         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
8947         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
8948         to set code to 'q'.
8949         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
8950         (*movdi_internal_rex64): Use %E operand modifier for lea.
8951         (*movsi_internal): Ditto.
8952         (*lea_1): Ditto.
8953         (*lea<mode>_2): Ditto.
8954         (*lea_{3,4,5,6}_zext): Ditto.
8955         (*tls_global_dynamic_32_gnu): Ditto.
8956         (*tls_global_dynamic_64): Ditto.
8957         (*tls_dynamic_gnu2_lea_32): Ditto.
8958         (*tls_dynamic_gnu2_lea_64): Ditto.
8959         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
8961 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
8963         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
8964         redefine to be NULL if the current bit-size is different from the
8965         configured bit-size.
8967         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
8968         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
8969         set the default tuning.  Add asserts to make sure the cpu and tune
8970         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
8971         test whether the index is set, instead of > 0.
8972         (rs6000_file_start): Do not reset the default cpu if the current
8973         bit-size is different from the configured bit-size.
8975 2012-03-09  Tristan Gingold  <gingold@adacore.com>
8977         * config/vms/vms-crtlmap.map: Add comments.
8978         Add entries needed to build Ada RTS.
8980 2012-03-09  Tristan Gingold  <gingold@adacore.com>
8982         * ginclude/stddef.h: Do not define __size_t on VMS.
8984 2012-03-09  Tristan Gingold  <gingold@adacore.com>
8986         * c-tree.h (c_default_pointer_mode): New variable.
8987         * c-decl.c (c_default_pointer_mode): New variable.
8988         (c_build_pointer_type): New function.
8989         (grokdeclarator): Call c_build_pointer_type instead
8990         of build_pointer_type.
8992         * config/vms/vms-c.c: Include c-tree.h
8993         (saved_pointer_mode): New variable.
8994         (handle_pragma_pointer_size): New function.
8995         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
8996         (vms_c_register_pragma): Register __pointer_size and
8997         __required_pointer_size pragmas.
8999 2012-03-09  Tristan Gingold  <gingold@adacore.com>
9001         * config/vms/vms-c.c (vms_construct_include_filename): New function.
9002         (vms_c_register_includes): Reference it.
9004 2012-03-09  Andrew Pinski  <apinski@cavium.com>
9006         PR middle-end/51988
9007         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
9008         print_generic_expr.
9009         (tree_ssa_phiopt_worker): Go through all the PHIs for
9010         value_replacement instead of just the singleton one.
9011         (value_replacement): Change return type to int.  Return 0 instead of
9012         false.
9013         Allow the middle basic block to contain more than just the defining
9014         statement.
9015         Handle non empty middle basic blocks.
9016         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
9018 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
9020         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
9021         array reference and component reference.
9022         (analyze_scalar_evolution_for_address_of): New.
9024 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
9026         PR target/49862
9027         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
9028         (hwloop_pattern_reg): Fix set but not used warning.
9029         (bfin_reorg_loops): Remove unused parameter.
9030         (bfin_reorg): Update use of bfin_reorg_loops.
9032 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
9034         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
9035         with integer parameters in registers.
9036         (gen_push): Push register in word_mode instead of Pmode.
9037         (ix86_emit_save_regs): Likewise.
9038         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
9039         (gen_pop): Pop register in word_mode instead of Pmode.
9040         (ix86_emit_restore_regs_using_pop): Likewise.
9041         (ix86_expand_prologue): Replace Pmode with word_mode for push
9042         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
9043         restore RAX and R10 in word_mode.
9044         (ix86_emit_restore_regs_using_mov): Restore integer registers
9045         in word_mode.
9046         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
9047         word_mode.
9048         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
9049         (ix86_split_long_move): Likewise.
9051         * config/i386/i386.md (W): New.
9052         (*push<mode>2_prologue): Replace :P with :W.
9053         (*pop<mode>1): Likewise.
9054         (*pop<mode>1_epilogue): Likewise.
9055         (push/pop peephole2): Use word_mode scratch registers.
9057 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
9059         * config/i386/predicates.md (indirect_branch_operand): Simplify.
9061 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
9063         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
9064         for constants in [-63,63].
9066 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
9068         PR target/52530
9069         Revert:
9070         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9072         * config/i386/i386.c (ix86_print_operand_address): Only handle
9073         zero-extended DImode addresses.
9075 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9077         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
9078         * configure: Regenerate.
9080 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
9082         PR target/52496
9083         * config/avr/avr.c (avr_mem_clobber): New static function.
9084         (avr_expand_delay_cycles): Add memory clobber operand to
9085         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
9086         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
9087         (enable_interrupt, disable_interrupt): New expander.
9088         (nopv, sleep, wdr): New expanders.
9089         (delay_cycles_1): Add memory clobber.
9090         (delay_cycles_2): Add memory clobber.
9091         (delay_cycles_3): Add memory clobber.
9092         (delay_cycles_4): Add memory clobber.
9093         (cli_sei): New insn from former "enable_interrupt",
9094         "disable_interrupt" with memory clobber.
9095         (*wdt): New insn from former "wdt" with memory clobber.
9096         (*nopv): Similar, but for "nopv".
9097         (*sleep): Similar, but for "sleep".
9099 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
9100             Kaz Kojima  <kkojima@gcc.gnu.org>
9102         PR target/52503
9103         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
9104         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
9105         (SUBTARGET_OVERRIDE_OPTIONS): Define.
9107 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
9109         * config/i386/predicates.md (x86_64_zext_general_operand): New.
9110         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
9111         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
9113 2012-03-07  Walter Lee  <walt@tilera.com>
9115         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
9116         REG_CFA_* notes for the stack pointer.
9117         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
9118         EH_RETURN_STACKADJ_RTX.
9119         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
9120         generate REG_CFA_* notes for the stack pointer.
9121         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
9122         by EH_RETURN_STACKADJ_RTX.
9124 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9126         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
9127         when __AVR_3_BYTE_PC__ is defined.
9129 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
9131         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
9132         (ix86_print_operand): Handle '^'.
9133         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
9134         using P mode iterator.  Add %^ to asm template to conditionally emit
9135         addr32 prefix.
9136         (*rep_movdi_rex64): Ditto.
9137         (*strsetdi_rex_1): Ditto.
9138         (*rep_stosdi_rex64): Ditto.
9139         (*strmov{si,hi,qi}_1): Add %^ to asm template to
9140         conditionally emit addr32 prefix.
9141         (*rep_mov{si,qi}): Ditto.
9142         (*strset{si,hi,qi}): Ditto.
9143         (*rep_stos{si,qi}): Ditto.
9144         (*cmpstrnqi_nz_1): Ditto.
9145         (*cmpstrnqi_1): Ditto.
9146         (*strlenqi_1): Ditto.
9148 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
9150         * config/i386/i386.c (function_value_64): Return pointers in
9151         word_mode instead of Pmode.
9152         (ix86_promote_function_mode): Likewise.
9154 2012-03-07  Richard Guenther  <rguenther@suse.de>
9156         * coverage.c (get_gcov_type): Use type_for_mode.
9157         (get_gcov_unsigned_t): Likewise.
9158         * expr.c (store_constructor): Use type_for_mode.
9159         (try_casesi): Likewise.
9160         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
9161         (add_standard_iv_candidates): Use standard type trees.
9162         * dojump.c (do_jump): Remove dead code.
9164 2012-03-07  Richard Guenther  <rguenther@suse.de>
9166         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
9168 2012-03-07  Richard Guenther  <rguenther@suse.de>
9170         * convert.c (strip_float_extensions): Move ...
9171         * tree.c (strip_float_extensions): ... here.
9173 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9175         PR target/52484
9176         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
9178 2012-03-07  Richard Guenther  <rguenther@suse.de>
9180         * omp-low.c (extract_omp_for_data): Use signed_type_for.
9181         (expand_omp_for_generic): Likewise.
9182         (expand_omp_for_static_nochunk): Likewise.
9183         (expand_omp_for_static_chunk): Likewise.
9184         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
9185         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
9186         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
9187         Use unsigned_type_for.
9188         (vect_create_cond_for_align_checks): Use signed_type_for.
9190 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
9192         PR rtl-optimization/52203
9193         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
9194         all callers to pass NULL except ...
9195         (reset_sched_cycles_in_current_ebb): ... here, save the value
9196         in new variable 'empty'.  Increase issue_rate only for
9197         non-empty insns.
9199 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
9201         PR target/51417
9202         * Makefile.in: Let install-gcc-ar depend on installdirs,
9203         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
9204         Don't double canonicalize if cross-compiling.
9206 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9208         PR target/52506
9209         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
9210         to: RAMPZ, RAMPY, RAMPX, RAMPD.
9211         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
9213 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9215         PR target/52505
9216         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
9217         from RAM.
9218         * config/avr/avr.md (xload_8): Adjust insn length.
9220 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9222         PR target/52461
9223         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
9224         if RAMPZ affects reading from RAM.
9226 2012-03-07  Richard Guenther  <rguenther@suse.de>
9228         PR pch/52518
9229         PR pch/38987
9230         * doc/invoke.texi (Precompiled Headers): Remove sentence that
9231         suggests you can include PCHs from inside another header.
9233 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
9235         PR middle-end/52515
9236         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
9238 2012-03-07  Kai Tietz  <ktietz@redhat.com>
9240         * doc/invoke.texi (fwritable-relocated-rdata): Document
9241         new Cygwin/MinGW target option.
9242         * config/i386/winnt.c (i386_pe_unique_section): Ignore
9243         reloc if flag -fwritable-relocated-rdata is not set.
9244         (i386_pe_section_type_flags): Likewise.
9245         * config/i386/cygming.opt (fwritable-relocated-rdata):
9246         Add new flag variable flag_writable_rel_rdata.
9248 2012-03-07  Richard Guenther  <rguenther@suse.de>
9250         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
9251         precision against gimple constraints.
9253 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
9255         PR middle-end/52372
9256         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
9257         variables.
9258         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
9259         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
9260         variables.
9261         (init_emit_regs): Move associated initialization to...
9262         (init_emit_once): ...here.
9264 2012-03-06  Richard Henderson  <rth@redhat.com>
9266         * config/m68k/m68k.h (ISA_HAS_TAS): New.
9267         * config/m68k/sync.md (atomic_test_and_set): Use it.
9268         (atomic_test_and_set_1): Likewise.
9270 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
9272         PR target/50310
9273         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
9274         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
9275         (vector_ltgt<mode>): Likewise.
9276         (vector_ordered<mode>): Likewise.
9277         (vector_unordered<mode>): Likewise.
9278         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
9280 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
9282         * trans-mem.c: New typedef for tm_region_p.
9283         Define vector types for tm_region_p.
9284         (tm_region_init): Replace region_worklist to a vector called
9285         bb_regions.
9287 2012-03-06  Richard Guenther  <rguenther@suse.de>
9289         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
9290         MEM_REF with constant pointer operand.
9292 2012-03-06  Richard Guenther  <rguenther@suse.de>
9294         PR middle-end/52493
9295         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
9297 2012-03-06  Tristan Gingold  <gingold@adacore.com>
9299         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
9300         (external_model_kind): Improve documentation.
9301         (vms_pragma_extern_model): Handle relaxed_redef.
9302         (vms_c_register_pragma): Allow expansion for nomember_alignment.
9304 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
9306         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
9307         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
9308         Some more notes on EIND usage and reorder EIND subsection.
9310 2012-03-06  Tristan Gingold  <gingold@adacore.com>
9312         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
9313         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
9315 2012-03-06  Tristan Gingold  <gingold@adacore.com>
9317         * config/vms/t-vmsnative (version): Define.
9318         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
9320 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
9322         PR rtl-optimization/52250
9323         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
9324         to put note list into.  Unconditionally call move_bb_info.
9325         (move_bb_info): Do not assert the blocks being in the same region,
9326         just drop the note list if they are not.
9328 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
9330         PR target/51244
9331         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
9332         and use unified expansion logic.
9333         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
9334         closer to the existing movt insn.
9335         (negc): Rename insn to *negc.  Add new expander.
9336         (movnegt): Use xor pattern for T bit negation.  Reserve helper
9337         constant for negc pattern.
9338         (*movnegt): New insn and splitter.
9340 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
9342         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
9343         PLUS_EXPR.
9345 2012-03-05  Richard Henderson  <rth@redhat.com>
9347         * genemit.c (main): Include "target.h" in insn-emit.c.
9348         * Makefile.in (insn-emit.o): Depend on TARGET_H.
9349         * config/sh/sync.md (atomic_test_and_set): Reference
9350         targetm.atomic_test_and_set_trueval instead of
9351         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
9353 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
9355         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
9356         Make static.
9358 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
9360         * langhooks.c (add_builtin_type): New function.
9361         * langhooks.h (add_builtin_type): Export it.
9362         * config/mep/mep.c (mep_init_builtins): Use it.
9363         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
9365 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
9367         PR debug/51902
9368         * tree.h (BLOCK_SAME_RANGE): Define.
9369         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
9370         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
9371         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
9372         isn't equal to supercontext fragment's fragment chain.
9373         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
9374         fragment origin.
9375         (blocks_nreverse_all): Likewise.
9376         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
9377         BLOCK_SUPERCONTEXT to supercontext fragment instead of
9378         supercontext fragment's fragment origin.
9379         * dwarf2out.c (add_high_low_attributes): If stmt has the same
9380         range as its parent (or parents thereof etc.), use the parent's
9381         DW_AT_ranges value instead of creating a new .debug_ranges range.
9383 2012-03-05  Richard Henderson  <rth@redhat.com>
9385         PR tree-opt/52242
9386         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
9387         * omp-low.c (expand_omp_atomic): Assume anything aligned to
9388         BIGGEST_ALIGNMENT is aligned.
9390 2012-03-05  Richard Henderson  <rth@redhat.com>
9392         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
9393         * config/sh/sh.c: ... here.
9395 2012-03-05  Richard Henderson  <rth@redhat.com>
9397         PR target/52481
9398         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
9399         instead of calling negqi2 directly.
9401 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
9403         PR middle-end/52463
9404         * trans-mem.c (tm_region_init): Use last_basic_block.
9406 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
9408         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
9409         * config/sh/sync.md (atomic_test_and_set): New expander.
9410         (tasb, atomic_test_and_set_soft): New insns.
9411         * config/sh/sh.opt (menable-tas): New option.
9412         * doc/invoke.texi (SH Options): Document it.
9414 2012-03-05  Richard Guenther  <rguenther@suse.de>
9416         * cfgloop.c (verify_loop_structure): Verify dominators before
9417         using them.
9418         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
9419         dominators from here.
9420         * graphite-scop-detection.c (create_sese_edges): Likewise.
9421         * loop-doloop.c (doloop_optimize_loops): Likewise.
9422         * loop-init.c (loop_optimizer_init): Likewise.
9423         * loop-unroll.c (unroll_and_peel_loops): Likewise.
9424         * loop-unswitch.c (unswitch_loops): Likewise.
9425         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
9426         * tree-parloops.c (parallelize_loops): Likewise.  Verify
9427         only when checking is enabled.
9428         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
9430 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
9432         * genautomata.c (parse_automata_opt): New static function.
9433         (initiate_automaton_gen): Remove all option handling code.  Remove
9434         argc argument.  All callers changed.
9435         (main): Call init_rtx_reader_args_cb with the new function as argument.
9437 2012-03-05  Richard Guenther  <rguenther@suse.de>
9439         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
9440         * tree-if-conv.c (combine_blocks): Free post-dominator info
9441         after breaking it.
9442         * tree-parloops.c (create_parallel_loop): Free and re-compute
9443         dominator info after breaking it.
9445 2012-03-05  Richard Guenther  <rguenther@suse.de>
9447         PR middle-end/52353
9448         * optabs.h (trapv_unoptab_p): New function.
9449         (trapv_binoptab_p): Likewise.
9450         * optabs.c (expand_binop): Use emit_libcall_block_1 with
9451         a proper equiv_may_trap argument.
9452         (expand_unop): Likewise.
9453         (emit_libcall_block_1): Take extra argument whether the
9454         instruction may trap.  Renamed from ...
9455         (emit_libcall_block): ... this.  New wrapper.
9457 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
9459         PR tree-optimization/51721
9460         * tree-vrp.c (register_edge_assert_for_2): If comparing
9461         lhs of right shift by constant with an integer constant,
9462         add ASSERT_EXPRs for the rhs1 of the right shift.
9464         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
9466 2012-03-05  Richard Guenther  <rguenther@suse.de>
9468         * tree.c (integer_zerop): Handle VECTOR_CSTs.
9469         (integer_onep): Likewise.
9470         (integer_all_onesp): Likewise.
9472 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
9474         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
9476 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9478         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
9479         instead of TARGET_64BIT.
9481 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9483         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
9484         adjust_stack_insn.
9486 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9488         * config/i386/i386.c (ix86_print_operand_address): Only handle
9489         zero-extended DImode addresses.
9491 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
9493         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
9494         taken and cputaken as bool.
9496 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
9498         * config/i386/constraints.md (Ya): New internal constraint.
9499         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
9500         (*zero_extendsidi2_rex64): Add x,x alternative.
9501         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
9502         Remove flags reg clobber.  Adjust corresponding splits.
9503         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
9504         zero_extendqisi2 expanders using SWI12 mode iterator.
9505         (zero_extend<mode>si2_and): Macroize insn from
9506         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
9507         splitters.
9508         (*zero_extend<mode>si2):  Macroize insn from
9509         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
9510         (*zero_extend*2_movzbl_and): Remove insn patterns.
9511         (zero_extendqihi2_and): Merge corresponding splitter.
9512         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
9513         (*zero_extend*2_movzbl_and): Remove insn patterns.
9514         (*anddi_1): Split TYPE_IMOVX instructions.
9515         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
9516         (*andhi_1): Ditto.
9517         (and->zext splitter): Add splitter pattern.
9518         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
9520 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
9522         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
9523         x86-specific text.
9524         (Debugging Options): Likewise.
9525         (Optimize Options): Likewise.
9526         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
9527         with other architectures.  Use official processor names with correct
9528         spelling/capitalization.  Fix formatting and grammar issues.
9529         (i386 and x86-64 Windows Options): Similar cleanup here.
9531 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9533         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
9535 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9537         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
9538         DBX_REGISTER_NUMBER.
9540 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9542         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
9543         operand is CONST_INT.  Take COSTS_N_INSNS into account.
9544         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
9545         of shiftcosts.
9547 2012-03-02  Richard Henderson  <rth@redhat.com>
9549         * optabs.c (expand_atomic_test_and_set): Honor
9550         atomic_test_and_set_trueval even when atomic_test_and_set
9551         optab is not in use.
9553 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
9555         PR target/48596
9556         PR target/48806
9557         * config/sh/sh.c (sh_register_move_cost): Increase cost between
9558         GENERAL_REGS and FP_REGS for SImode.
9560 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
9562         PR target/49486
9563         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
9564         (absdi2): New expander.
9565         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
9567 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
9569         * config/sh/sync.md (atomic_exchange<mode>): New expander.
9570         (atomic_exchange<mode>_soft): New insn.
9572 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
9574         * config/sh/sync.md: Update copyright notice dates.
9575         (atomic_compare_and_swap<mode>): Use SImode for return value instead
9576         of QImode.
9577         (atomic_compare_and_swap<mode>_soft): Likewise.
9579 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
9581         PR target/31640
9582         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
9583         * config/sh/sh.c: Update copyright notice dates.
9584         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
9585         alignment for TARGET_HARD_SH4.
9586         (sh_option_override): Reduce default function alignment.  Set
9587         loop alignment to 4 bytes when not optimizing for size.
9589 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
9591         PR middle-end/50335
9592         * doc/invoke.texi (floop-flatten): Remove.
9593         * toplev.c (process_options): Remove references to flag_loop_flatten.
9594         * tree-ssa-loop.c (gate_graphite_transform): Same.
9595         * common.opt (floop-flatten): Obsolete.
9596         * graphite-poly.c (apply_poly_transforms): Remove reference to
9597         flag_loop_flatten.
9598         * Makefile.in (graphite-flattening.o): Remove.
9599         * graphite-flattening.c: Remove.
9601 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
9603         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
9604         having mode compatible with the mode of previous compare.  Substitute
9605         compare mode of previous compare with the mode, compatible
9606         with eliminated and previous compare.
9608 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
9610         * config/rs6000/dfp.md (floatdidd2): New define_insn.
9612 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
9614         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
9615         compatible with CCGOCmode and CCGCmode.
9617 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
9619         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
9621 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
9623         * config/arm/arm.c (arm_sat_operator_match): New function.
9624         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
9625         * config/arm/arm.md ("insn" attribute): Add "sat" value.
9626         ("SAT", "SATrev"): New code iterators.
9627         ("SATlo", "SAThi"): New code iterator attributes.
9628         ("*satsi_<SAT:code>"): New pattern.
9629         ("*satsi_<SAT:code>_shift"): Likewise.
9630         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
9631         and "shift" attributes.
9632         ("arm_usatsihi"): Add "insn" attribute.
9633         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
9634         by powers of two.  Do not allow shift by 32.
9636 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
9638         PR target/46716
9639         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
9640         to pass the argument in the register of "natural" mode.
9642 2012-03-02  Richard Guenther  <rguenther@suse.de>
9644         PR tree-optimization/52406
9645         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
9646         (struct indices): Add unconstrained_base member.
9647         (struct dr_alias): Remove unused vops member.
9648         (DR_UNCONSTRAINED_BASE): New define.
9649         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
9650         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
9651         be an artificial access that covers the whole indexed object,
9652         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
9653         plain decl base-objects to their MEM_REF variant.
9654         (dr_may_alias_p): When the base-object of either data reference
9655         has unknown size use only points-to information.
9656         (compute_affine_dependence): Make dumps easier to read and
9657         more verbose.
9658         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
9659         DR_REF when looking for packed references.
9660         (vect_supportable_dr_alignment): Likewise.
9662 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
9664         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
9665         Improve conditions for peepholes of loads followed by commutative
9666         operators.
9667         * config/arm/ldmstm.md: Regenerated.
9669 2012-03-02  Richard Guenther  <rguenther@suse.de>
9671         * BASE-VER: Set to 4.8.0.
9673 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
9675         * config.gcc (obsolete): Add all ARM targets using the FPA.
9676         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
9677         * doc/install.texi: Avoid references to obsolete ARM ports.
9679 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
9681         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
9683 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
9684             Joern Rennecke  <joern.rennecke@embecosm.com>
9686         * doc/extend.texi: Expand and update information on interrupt
9687         attribute for Epiphany.
9689 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
9691         * config/sh/sh-protos.h: Update copyright notice dates.
9692         * config/sh/sh.h: Likewise.
9693         * config/sh/sh.md: Likewise.
9694         * config/sh/constraints.md: Likewise.
9695         * config/sh/predicates.md: Likewise.
9697 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
9699         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
9700         * config/sh/sh.c (tertiary_reload_operand): Likewise.
9702 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
9704         * config/sh/constraints.md: Fix comment typo.
9706 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9708         PR target/52408
9709         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
9710         unsigned HOST_WIDE_INT.
9711         (zvdep_imm64): Likewise.
9712         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
9713         (vdepi_and): Likewise.
9714         Likewise for unamed 64-bit patterns.
9715         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
9717 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
9719         PR debug/52001
9720         PR rtl-optimization/52417
9721         * cselib.c (cselib_any_perm_equivs): New variable.
9722         (cselib_reset_table): Check that it's not set when not
9723         preserving constants.
9724         (cselib_add_permanent_equiv): Set it.
9725         (cselib_have_permanent_equivalences): New.
9726         (cselib_init, cselib_finish): Reset it.
9727         * cselib.h (cselib_have_permanent_equivalences): Declare.
9728         * alias.c (get_addr): Restore earlier behavior when there
9729         aren't permanent equivalences.
9731 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
9733         * config/mn10300/mn10300-modes.def: Fix copyright notice.
9734         * config/v850/v850-modes.def: Fix copyright notice.
9736 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
9738         * doc/extend.texi (AVR Built-in Functions): Document
9739         __builtin_avr_flash_segment.
9741         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
9742         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
9743         (*split.flash_segment): New insn-and-split.
9744         * config/avr/avr.c (avr_init_builtins): Add local variables:
9745         const_memx_void_node, const_memx_ptr_type_node,
9746         char_ftype_const_memx_ptr.
9748 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
9750         PR tree-optimization/52445
9751         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
9752         add ssa_name_ver, offset and size fields and change store field
9753         to bool.
9754         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
9755         (add_or_mark_expr): Likewise.  Only consider previous stores
9756         with the same size and offset.
9757         (nt_init_block): Only look at gimple_assign_single_p stmts,
9758         doesn't look at rhs2.
9760 2012-03-01  Richard Guenther  <rguenther@suse.de>
9762         PR middle-end/52443
9763         * tree-cfg.c (verify_gimple_assign_unary): Allow any
9764         conversions from integral types to pointer types.
9766 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
9768         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
9769         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
9770         unintentionally removed in r184616.
9772 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9774         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
9775         3DNow from bdver1.
9777 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
9778             Uros Bizjak  <ubizjak@gmail.com>
9780         PR target/52437
9781         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
9782         alternatives, add "e" constraint to the new last alternative
9783         and ! to last 3 alternatives.
9785 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
9787         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
9788         DW_AT_artificial attributes at the end of the processing.
9789         (gen_array_type_die): Likewise.
9790         (gen_enumeration_type_die): Likewise.
9791         (gen_struct_or_union_type_die): Likewise.
9792         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
9793         the parent type.
9795 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
9797         PR middle-end/52419
9798         * expr.c (expand_assignment): If doing misaligned store that doesn't
9799         cover all mode bits, perform a RMW cycle.
9801         PR tree-optimization/52429
9802         * tree-parloops.c (separate_decls_in_region_debug): Return early
9803         if var is LABEL_DECL.
9805 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9807         PR tree-optimization/52424
9808         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
9809         calling dom_thread_across_edge.
9811 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
9813         * config/avr/avr.c: Move definition of TARGET macros to end of file.
9815 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
9817         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
9818         * config/avr/avr.c (avr_output_bld): Remove unused function.
9819         (avr_out_sbxx_branch): Use "%T" to print bit position.
9821 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
9823         * config/avr/avr.md: Untabify.
9825 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
9827         * config/avr/avr.md (eqne): New code iterator.
9828         (*dec-and-branchsi): Use it in text peephole's condition.
9829         (*dec-and-branchhi): Ditto.
9830         (*dec-and-branchqi): Ditto.
9832 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
9834         PR target/49939
9835         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
9836         the device does not have the skip-bug.
9838 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
9840         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
9841         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
9842         -mpretend-cmove): New.
9844 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
9846         PR bootstrap/52397
9847         * df.h (struct df_d): Adjust comment that hard_regs_live_count
9848         doesn't count DEBUG_INSN refs.
9849         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
9850         for DEBUG_INSN refs.
9852 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9854         Partially revert:
9856         2012-02-20  Richard Guenther  <rguenther@suse.de>
9857         PR tree-optimization/52298
9858         * tree-vect-stmts.c (vectorizable_load): Properly use
9859         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
9861 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
9863         PR middle-end/51752
9864         * gimple.h (gimple_in_transaction): New.
9865         (gimple_set_in_transaction): New.
9866         (struct gimple_statement_base): Add in_transaction field.
9867         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
9868         transaction loads.
9869         (tree_ssa_lim_initialize): Compute transaction bits.
9870         * tree.h (compute_transaction_bits): Protoize.
9871         * trans-mem.c (tm_region_init): Use the heap to store BB
9872         auxilliary data.
9873         (compute_transaction_bits): New.
9875 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9877         * gcc.c (display_help): Document --help=common and sort entries
9878         alphabetically.
9880 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9882         * doc/install.texi: Document check-$LANG specific shortcuts
9884 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
9886         PR target/51534
9887         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
9888         and vcgtu.
9889         * config/arm/arm_neon.h: Regenerate.
9890         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
9891         (neon_vcgeu): New insn.
9892         (neon_vcgtu): Likewise.
9893         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
9894         (ops): Unsigned comparison intrinsics call a different builtin.
9896 2012-02-28  Richard Guenther  <rguenther@suse.de>
9898         PR target/52407
9899         * config/i386/i386.c (ix86_expand_vector_set): Fix element
9900         ordering for the VEC_CONCAT for two element vectors for
9901         V2SFmode, V2SImode and V2DImode.
9903 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
9905         PR target/49448
9906         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
9907         detecting big-endian triplets.
9909 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
9911         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
9912         mode if there is no type information available.
9914 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
9916         PR tree-optimization/53207
9917         * doc/invoke.texi: Document as experimental and relying on graphite.
9919 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9921         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
9922         of initializer to changes from r184614.
9924 2012-02-28  Richard Guenther  <rguenther@suse.de>
9926         PR tree-optimization/52395
9927         * tree-sra.c (build_ref_for_offset): Also look at the base
9928         TYPE_ALIGN when figuring out the alignment of the replacement.
9930 2012-02-28  Richard Guenther  <rguenther@suse.de>
9932         PR tree-optimization/52402
9933         * ipa-prop.c (ipa_modify_call_arguments): Properly use
9934         mis-aligned types when creating the accesses at the call site.
9936 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9938         * config/avr/builtins.def: New file.
9939         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
9940         * config/avr/avr.c (enum avr_builtin_id): Use it.
9941         (avr_init_builtins): Use it. And use avr_bdesc.
9942         (bdesc_1arg): Remove.
9943         (bdesc_2arg): Remove.
9944         (bdesc_3arg): Remove.
9945         (struct avr_builtin_description): Add field n_args.
9946         (avr_bdesc): New static variable using builtins.def.
9947         (avr_expand_builtin): Use it.
9948         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
9949         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
9950         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
9952 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9954         PR target/52148
9955         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
9956         match only one single hard register with respective hard reg rtx.
9957         (movmemx_<mode>): Ditto.
9958         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
9959         insn anatomy of movmem[x]_<mode>.
9960         (avr_out_movmem): Same for printing assembler and operand usage.
9962 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9964         PR target/49868
9965         PR target/52261
9966         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
9967         address spaces located outside of device flash.
9969         * config/avr/avr.h (base_arch_s): Remove field n_segments.
9970         (mcu_type_s): Add field n_flash.
9971         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
9972         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
9973         (AVR_MCU): Add N_FLASH argument.
9974         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
9975         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
9976         macro __FLASH<n> if that address space makes sense for the device.
9977         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
9978         outside of target flash.
9979         (avr_asm_named_section): Ditto.
9980         (avr_asm_select_section): Ditto.
9981         (avr_addr_space_convert): Ditto.
9982         (avr_emit_movmemhi): Ditto.
9983         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
9984         address space is outside of device flash.
9985         (avr_insert_attributes): Ditto.
9986         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
9987         avr_current_arch->n_segments.
9989 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9991         PR target/52352
9992         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
9993         (*movabs<mode>_2): Likewise.
9995 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
9997         PR target/52375
9998         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
9999         s_register_operand in the test instead of REG_P.  Don't call
10000         gen_reg_rtx if it won't be used.
10002         PR tree-optimization/52376
10003         * ipa-split.c (split_function): Ignore CLOBBER stmts.
10005 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
10007         * ifcvt.c (noce_get_condition): Check condition variable is not
10008         small_register_classes_for_mode_p before accepting.
10010 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
10012         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
10014 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10016         Revert:
10017         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10018         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
10019         tuning parameters.
10020         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
10022 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
10024         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
10026 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
10028         * config/sh/predicates.md: Remove blank lines.
10029         * config/sh/sh.c: Fix typos in comments.
10030         * config/sh/constraints.md: Likewise.
10031         * config/sh/sh.md: Remove blank lines.
10032         Fix typos in comments.  Use ;; as comment characters.
10034 2012-02-26  Walter Lee  <walt@tilera.com>
10036         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
10037         (replace_mov_pcrel_step2): Ditto.
10039 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
10041         PR debug/52001
10042         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
10043         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
10044         and locs that reference values newer than the non-canonical value
10045         at hand.  Return the canonical value as a worst case.
10046         (memrefs_conflict_p): Walk canonical value's locs.
10048         PR debug/52001
10049         * cselib.c (preserve_only_constants): Rename to...
10050         (preserve_constants_and_equivs): ... this.  Split out...
10051         (invariant_or_equiv_p): ... this.  Preserve plus expressions
10052         of other preserved expressions too.
10053         (cselib_reset_table): Adjust.
10054         * var-tracking.c (reverse_op): Use canonical value to build
10055         reverse operation.
10057 2012-02-23  Kai Tietz  <ktietz@redhat.com>
10059         * config/i386/i386.c (ix86_delegitimize_address): Handle
10060         UNSPEC_PCREL plus displacement.
10062 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
10064         PR target/52261
10065         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
10066         to test for unusedness in st X addressing.
10068 2012-02-24  Richard Guenther  <rguenther@suse.de>
10070         PR middle-end/52361
10071         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
10072         (is_gimple_reg_type): Move inline ...
10073         * gimple.h (is_gimple_reg_type): ... here.
10075 2012-02-24  Richard Guenther  <rguenther@suse.de>
10077         PR middle-end/52361
10078         * passes.c (execute_function_todo): When verifying SSA form
10079         verify gimple form first.
10080         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
10082 2012-02-24  Richard Guenther  <rguenther@suse.de>
10084         PR middle-end/52355
10085         * fold-const.c (fold_addr_of_array_ref_difference): New function.
10086         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
10088 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10090         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
10092 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10094         * tree-phinodes.c (make_phi_node): Mark static.
10095         * tree-flow.h (make_phi_node): Remove extern decl.
10096         * doc/gimple.texi (make_phi_node): Remove documentation.
10098 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10100         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
10101         * tree-ssa-sccvn.c (print_scc): Ditto.
10103 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10105         * doc/passes.texi (Full redundancy elimination): Fix typo.
10107 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10109         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
10111 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
10113         PR bootstrap/52287
10114         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
10116 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
10118         PR c/52290
10119         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
10121 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
10123         * config/avr/avr.md (code_stdname): Add ior, xor.
10124         (xior): New code iterator.
10125         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
10126         (*<code_stdname><mode>qi.byte1-3): Ditto.
10128 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
10130         PR tree-optimization/52019
10131         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
10132         CLOBBER stmts.
10134 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10136         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
10137         HAVE_INITFINI_ARRAY to work around namespace pollution in
10138         certain versions of newlib system headers.
10139         * config.in: Regenerate.
10140         * configure: Regenerate.
10141         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
10142         instead of HAVE_INITFINI_ARRAY.
10144 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
10146         PR target/52330
10147         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
10148         is not offsettable memory reference.
10150 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
10152         PR target/18145
10153         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
10154         setting avr_need_clear_bss_p for __gnu_lto* symbols.
10156 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
10158         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
10159         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
10161 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10163         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
10164         library on Solaris 8 even without TLS support.
10165         * configure: Regenerate.
10167 2012-02-22  Richard Guenther  <rguenther@suse.de>
10169         PR middle-end/52329
10170         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
10171         for GIMPLE_DEBUG stmts.
10173 2012-02-22  Martin Jambor  <mjambor@suse.cz>
10175         PR middle-end/51782
10176         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
10177         according to the base object.
10179 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
10181         PR rtl-optimization/50063
10182         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
10183         and 2 (8-bit SP) in operand 2.
10184         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
10185         setup to use movhi_sp_r instead of vanilla move to write SP.
10186         Adjust REG_CFA notes to superseed unspec.
10187         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
10188         of vanilla move.
10189         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
10190         known to be off) only with TARGET_NO_INTERRUPTS. Never use
10191         irq_state 1 (IRQ known to be on) here.
10193 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
10195         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
10196         WORDS_BIG_ENDIAN.
10197         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
10198         assign_hard_reg): Likewise.
10200 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
10202         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
10204 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
10206         * config/avr/avr.md
10207         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
10208         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
10210 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
10212         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
10213         prototype from here to...
10214         * config/avr/avr.h: ...here.
10216 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
10218         PR target/52294
10219         * thumb2.md (thumb2_shiftsi3_short): Split register and
10220         immediate shifts.  For register shifts tie operands 0 and 1.
10221         (peephole2 for above): Check that register-controlled shifts
10222         have suitably tied operands.
10224 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
10226         PR target/52137
10227         * config/i386/bdver1.md (bdver1_call, bdver1_push,
10228         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
10229         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
10230         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
10231         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
10232         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
10233         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
10234         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
10235         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
10236         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
10237         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
10238         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
10239         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
10240         bdver1_ssevector_avx256_unaligned_load,
10241         bdver1_ssevector_sse128_unaligned_load,
10242         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
10243         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
10244         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
10245         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
10246         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
10247         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
10248         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
10249         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
10250         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
10251         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
10252         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
10253         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
10254         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
10255         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
10256         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
10257         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
10258         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
10259         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
10260         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
10261         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
10262         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
10263         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
10264         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
10265         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
10266         bdver1_ssediv_double_load, bdver1_ssediv_double,
10267         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
10268         Add "bdver2" attribute.
10270 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10272         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
10273         default if possible and not specified otherwise.
10275 2012-02-21  Richard Guenther  <rguenther@suse.de>
10277         PR middle-end/52314
10278         * gimplify.c (create_tmp_from_val): Use the main variant type
10279         for the type of the temporary we create.
10281 2012-02-21  Richard Guenther  <rguenther@suse.de>
10283         PR tree-optimization/52324
10284         * gimplify.c (gimplify_expr): When re-gimplifying expressions
10285         do not gimplify a MEM_REF address operand if it is already
10286         in suitable form.
10288 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10290         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
10291         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
10293 2012-02-21  Richard Guenther  <rguenther@suse.de>
10295         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
10296         nested_in_vect_loop.
10298 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
10300         PR tree-optimization/52318
10301         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
10302         vdef also to non-pure/const call stmts in the sequence.
10304 2012-02-21  Tristan Gingold  <gingold@adacore.com>
10306         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
10308 2012-02-20  David S. Miller  <davem@davemloft.net>
10310         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
10311         don't use the "rd %pc" instruction on v9 for PIC register loads.
10313 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
10315         PR middle-end/52141
10316         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
10317         in a transaction safe function.
10319 2012-02-20  Kai Tietz  <ktietz@redhat.com>
10321         PR target/52238
10322         * stor-layout.c (place_field): Handle desired_align for
10323         ms-bitfields, too.
10325 2012-02-20  Richard Guenther  <rguenther@suse.de>
10327         PR tree-optimization/52298
10328         * tree-vect-stmts.c (vectorizable_store): Properly use
10329         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
10330         outer loops.
10331         (vectorizable_load): Likewise.
10332         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
10333         Access DR_STEP after ensuring it is not NULL.
10335 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
10337         PR tree-optimization/52286
10338         * fold-const.c (fold_binary_loc): For (X & C1) | C2
10339         optimization use double_int_to_tree instead of build_int_cst_wide,
10340         rewrite to use double_int vars.
10342 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10344         PR target/50166
10345         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
10346         Define _start.
10347         Remove -e 0 from $gcc_cv_ld invocation.
10348         Only use __GLIBC_PREREQ if defined.
10349         Enable on Solaris since Solaris 8 patch.
10350         (gcc_SUN_LD_VERSION): New macro.
10351         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
10352         gcc_SUN_LD_VERSION for version number format.
10353         * configure: Regenerate.
10354         * varasm.c (get_elf_initfini_array_priority_section): Set
10355         SECTION_NOTYPE for non-default priority.
10356         Use get_section instead of get_unnamed_section to emit
10357         .init_array/.fini_array with default priority.
10359 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
10361         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
10362         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
10363         (mips_start_unique_function, mips_output_mips16_rdhwr)
10364         (mips_code_end): New functions.
10365         (TARGET_ASM_CODE_END): Define.
10367 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
10369         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
10370         to stubs with non-sibling calls.
10372 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
10374         * doc/invoke.texi (-fira-* options): Copy-edit.
10375         (ira-* parameters): Copy-edit.
10377 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
10379         * doc/invoke.texi: Minor copy-edits to bring into conformance with
10380         GCC coding conventions.
10382 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
10384         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
10385         when used as adjectives.
10387 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
10389         * doc/invoke.texi: Clean up "that"/"which" confusion.
10391 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
10393         * system.h: Poison SMALL_REGISTER_CLASSES
10394         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
10395         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
10397 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
10399         PR tree-optimization/52285
10400         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
10401         when deciding if a call is a tail call or tail recursion.
10403 2012-02-16  Kai Tietz  <ktietz@redhat.com>
10405         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
10406         interger-constant displacement for UNSPEC_PCREL.
10408 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
10410         PR rtl-optimization/52208
10411         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
10412         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
10414         PR tree-optimization/52255
10415         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
10416         loop->header has virtual PHI, but exit_e->dest doesn't, add
10417         virtual PHI to exit_e->dest and adjust all uses after the loop.
10419         PR debug/52260
10420         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
10421         children with clone_tree_hash, not after it.
10423 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
10425         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
10426         extended identifiers.
10428 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
10430         PR middle-end/51929
10431         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
10432         a same_body_alias, also test whether e->callee isn't a former
10433         or current clone of the decl this is a same body alias of.
10435         PR translation/52264
10436         * cgraphunit.c (verify_cgraph_node): Fix a typo.
10438 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
10440         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
10442 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
10444         PR target/52199
10445         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
10446         force_reg instead of copy_to_reg for better optimization.  Force
10447         non-register or memory operands into a register.
10449 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
10451         * extend.texi: Reserve upper bits of memory model for future use.
10453 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
10454             Anatoly Sokolov <aesok@post.ru>
10455             Eric Weddington <eric.weddington@atmel.com>
10457         PR target/52261
10458         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
10459         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
10460         Rewrite initializers for .macro.
10461         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
10462         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
10463         atxmega32d4, atxmega32x1.
10464         avrxmega4: atxmega64a3, atxmega64d3.
10465         avrxmega5: atxmega64a1, atxmega64a1u.
10466         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
10467         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
10468         avrxmega7: atxmega128a1, atxmega128a1u.
10469         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
10470         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
10471         (struct base_arch_s): Rename reserved to xmega_p.
10472         Rename reserved2 to have_rampd.
10473         (AVR_XMEGA): New define.
10474         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
10475         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
10476         * config/avr/predicates.md (io_address_operand): Take into
10477         account SFR offset.
10478         (low_io_address_operand): Ditto.
10479         (high_io_address_operand): Ditto.
10480         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
10481         (enabled, movhi_sp_r): Use them.
10482         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
10483         cpp_define_formatted to built-in define __AVR_ARCH__.
10484         (__AVR_XMEGA__): New built-in define.
10485         (__AVR_HAVE_RAMPD__): New built-in define.
10486         (__AVR_HAVE_RAMPX__): New built-in define.
10487         (__AVR_HAVE_RAMPY__): New built-in define.
10488         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
10490         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
10491         (avr_option_override): Initialize them.
10492         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
10493         (avr_init_expanders): Initialize them. No more block several calls.
10494         (emit_push_sfr): New static function.
10495         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
10496         Handle AVR_XMEGA.
10497         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
10498         (avr_print_operand): Print addreeses as symbols for
10499         RAMPX, RAMPY, RAMPD, CCP.
10500         (output_movhi): Handle AVR_XMEGA when writing to SP.
10501         (avr_out_movhi_mr_r_xmega): New static function.
10502         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
10503         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
10504         __RAMPD__,  __CCP__ as needed.
10506         * config/avr/multilib.h: Regenerate.
10507         * config/avr/t-multilib: Regenerate.
10508         * config/avr/avr-tables.opt: Regenerate.
10510 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
10512         PR tree-optimization/50561
10513         * graphite-flattening.c (lst_project_loop): Do not
10514         remove old scattering dimensions after flattening.
10515         (lst_do_flatten): Likewise.
10517 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
10519         * doc/extend.texi (AVR Built-in Functions): Remove doc for
10520         __builtin_avr_map8, __builtin_avr_map16.
10521         Document __builtin_avr_insert_bits.
10523         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
10524         (insert_bits): New insn.
10525         (adjust_len.map_bits): Rename to insert_bits.
10526         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
10527         * avr-protos.h (avr_out_map_bits): Remove.
10528         (avr_out_insert_bits, avr_has_nibble_0xf): New.
10529         * config/avr/constraints.md (Cxf,C0f): New.
10530         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
10531         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
10532         New built-in define __BUILTIN_AVR_INSERT_BITS.
10533         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
10534         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
10535         (avr_move_bits): Rewrite.
10536         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
10537         functions.
10538         (avr_map_op_t): New typedef.
10539         (avr_map_op): New static variable.
10540         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
10541         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
10542         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
10543         (bdesc_3arg, avr_expand_triop_builtin): New.
10544         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
10545         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
10546         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
10547         (avr_map_equal_p, avr_map_sig_p): Remove.
10548         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
10549         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
10550         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
10551         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
10552         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
10553         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
10555 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
10557         * config/c6x/c6x.md (reserve_cycles): New attribute.
10558         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
10559         don't reserve functional units after the branch occurs.
10561 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
10563         PR middle-end/52142
10564         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
10565         functions into non-tm_pure functions.
10567 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
10569         PR lto/52178
10570         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
10571         (iterative_hash_canonical_type): Likewise.
10572         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
10573         the dead edges.
10575 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
10577         * haifa-sched.c (prune_ready_list): Ensure that if there is a
10578         sched-group insn, it either remains alone or the entire list is pruned.
10580 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
10582         * doc/install.texi (Prerequisites): Fix grammar.
10583         (Configuration): Likewise.
10585 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
10587         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
10588         MPC as part of GCC before describing configuring with --with-gmp etc.
10589         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
10590         sources are present.
10592 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
10594         PR debug/51950
10595         * dwarf2out.c (clone_tree_hash): New function.
10596         (copy_decls_walk): Use it instead of clone_tree.
10598 2012-02-14  Richard Guenther  <rguenther@suse.de>
10600         PR tree-optimization/52244
10601         PR tree-optimization/51528
10602         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
10603         replacements for integral types.
10605 2012-02-14  Walter Lee  <walt@tilera.com>
10607         * config.gcc: Handle tilegx and tilepro.
10608         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
10609         tilegx and tilepro.
10610         Add HAVE_AS_TLS check for tilegx and tilepro.
10611         * configure: Regenerate.
10612         * doc/contrib.texi: Add Mat Hostetter and self.
10613         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
10614         Document instruction intrinsics and network accessing intrinsics.
10615         (TILEPro Built-in Functions): New node.  Document instruction
10616         intrinsics and network accessing intrinsics.
10617         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
10618         (Specific, tilepro-*-linux*): Likewise.
10619         * doc/invoke.texi (TILE-Gx Options): New section.
10620         (TILEPro Options): New section.
10621         * doc/md.texi (TILE-Gx): New section.
10622         (TILEPro): New section.
10623         * common/config/tilegx/tilegx-common.c: New file.
10624         * common/config/tilepro/tilepro-common.c: New file.
10625         * config/tilegx/constraints.md: New file.
10626         * config/tilegx/linux.h: New file.
10627         * config/tilegx/mul-tables.c: New file.
10628         * config/tilegx/predicates.md: New file.
10629         * config/tilegx/sync.md: New file.
10630         * config/tilegx/t-tilegx: New file.
10631         * config/tilegx/tilegx-builtins.h: New file.
10632         * config/tilegx/tilegx-c.c: New file.
10633         * config/tilegx/tilegx-generic.md: New file.
10634         * config/tilegx/tilegx-modes.def: New file.
10635         * config/tilegx/tilegx-multiply.h: New file.
10636         * config/tilegx/tilegx-protos.h: New file.
10637         * config/tilegx/tilegx.c: New file.
10638         * config/tilegx/tilegx.h: New file.
10639         * config/tilegx/tilegx.md: New file.
10640         * config/tilegx/tilegx.opt: New file.
10641         * config/tilepro/constraints.md: New file.
10642         * config/tilepro/gen-mul-tables.cc: New file.
10643         * config/tilepro/linux.h: New file.
10644         * config/tilepro/mul-tables.c: New file.
10645         * config/tilepro/predicates.md: New file.
10646         * config/tilepro/t-tilepro: New file.
10647         * config/tilepro/tilepro-builtins.h: New file.
10648         * config/tilepro/tilepro-c.c: New file.
10649         * config/tilepro/tilepro-generic.md: New file.
10650         * config/tilepro/tilepro-modes.def: New file.
10651         * config/tilepro/tilepro-multiply.h: New file.
10652         * config/tilepro/tilepro-protos.h: New file.
10653         * config/tilepro/tilepro.c: New file.
10654         * config/tilepro/tilepro.h: New file.
10655         * config/tilepro/tilepro.md: New file.
10656         * config/tilepro/tilepro.opt: New file.
10658 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
10660         PR tree-optimization/52210
10661         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
10662         vect_model_simple_cost with two entry vect_def_type array instead
10663         of an address of dt.
10665 2012-02-14  Richard Guenther  <rguenther@suse.de>
10667         PR lto/52178
10668         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
10669         Do not stream DECL_QUALIFIER.
10670         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
10671         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
10672         (find_decls_types_r): Do not walk DECL_QUALIFIER.
10674 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
10676         PR c/52181
10677         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
10678         newdecl.
10680 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
10682         PR bootstrap/52172
10683         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
10684         * cselib.c (cselib_subst_to_values_from_insn): New function.
10685         * sched-deps.c (add_insn_mem_dependence,
10686         sched_analyze_1, sched_analyze_2): Use it.
10688 2012-02-13  Jan Hubicka  <jh@suse.cz>
10690         PR middle-end/52214
10691         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
10693 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
10695         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
10696         (GTM_SELF_SPECS): Define if not already defined.
10697         (driver_self_specs): Add GTM_SELF_SPECS.
10698         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
10699         (GTM_SELF_SPECS): Define.
10700         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
10701         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
10703 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
10705         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
10706         away if seen.
10708         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
10710         PR middle-end/52230
10711         * omp-low.c (expand_omp_for): If a static schedule without chunk size
10712         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
10714 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
10716         PR c/52190
10717         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
10719 2012-02-13  Richard Guenther  <rguenther@suse.de>
10721         PR translation/52211
10722         * passes.c (enable_disable_pass): Fix typo.
10724 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
10726         PR middle-end/52209
10727         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
10728         XOR for reduce_bit_field if type is unsigned.
10730 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10732         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
10733         disallow changes from SFmode to mode with different size in FP regs.
10735 2012-02-12  Robert Millan  <rmh@gnu.org>
10736             Gerald Pfeifer <gerald@pfeifer.com>
10738         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
10739         Tweak comment.
10741 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
10743         PR rtl-optimization/52175
10744         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
10745         to frame-related instructions.
10747 2012-02-10  Jason Merrill  <jason@redhat.com>
10749         PR c++/51910
10750         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
10751         (demangle_new_symbols): Fill it.
10752         (scan_linker_output): Walk it.
10753         (start_tweaking): Split out from scan_linker_output.
10754         (maybe_tweak): Update sym->chosen.
10755         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
10757 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
10759         PR debug/52132
10760         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
10762 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
10764         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
10765         having the same mode as previous compare.
10767 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10769         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
10770         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
10771         (nonlocal_goto_internal): Likewise.
10772         (nonlocal_goto): Emit a use and an indirect jump directly.
10774 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
10776         PR c/52190
10777         * doc/extend.texi : Update comments for __atomic_compare_exchange and
10778         __atomic_{is,always}_lock_free.
10780 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
10782         PR target/52146
10783         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
10784         negative constant address for TARGET_X32.
10786 2012-02-10  Richard Henderson  <rth@redhat.com>
10788         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
10789         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
10790         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
10792 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10793             Ira Rosen  <irar@il.ibm.com>
10795         PR tree-optimization/50031
10796         * targhooks.c (default_builtin_vectorization_cost): Handle
10797         vec_promote_demote.
10798         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
10799         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
10800         all types of reduction and pattern statements.
10801         (vect_estimate_min_profitable_iters): Likewise.
10802         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
10803         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
10804         for explicit realigns.
10805         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
10806         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
10807         vec_promote_demote.
10808         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
10809         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
10810         vec_perm for VSX and handle vec_promote_demote.
10812 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
10814         PR middle-end/52177
10815         * builtins.c (fold_builtin_atomic_always_lock_free,
10816         expand_builtin_atomic_always_lock_free,
10817         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
10818         Return and/or test boolean_true_node/boolean_false_node instead of
10819         integer_one_node/integer_zero_node.
10821 2012-02-10  Jan Hubicka  <jh@suse.cz>
10823         PR middle-end/48600
10824         * predict.c (predict_paths_for_bb): Prevent looping.
10825         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
10827 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
10829         * config/arm/arm.c (output_move_double): In one case properly
10830         count number of instructions that will be emitted.
10832 2012-02-10  Richard Guenther  <rguenther@suse.de>
10834         PR translation/52193
10835         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
10837 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
10839         PR middle-end/52140
10840         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
10842 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
10844         PR debug/52165
10845         * var-tracking.c (emit_note_insn_var_location): If
10846         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
10847         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
10848         non-NOTE_DURING_CALL_P insn.
10850 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
10852         PR middle-end/51867
10853         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
10855 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
10857         PR driver/48524
10858         * gcc.c (switch_matches) Support switches with separated form,
10859         -D and -U.
10861 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
10863         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
10864         (SP_ADDR): Ditto.
10865         (RAMPZ_ADDR): Ditto.
10866         * config/avr/avr.c (avr_addr_t): New typedef.
10867         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
10868         (avr_init_expanders): Initialize it.
10869         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
10870         SREG_ADDR.
10871         (expand_epilogue): Ditto.
10872         (avr_print_operand): Ditto.
10873         (avr_file_start): Ditto.
10874         (avr_emit_movmemhi): Ditto.
10876 2012-02-08  Richard Guenther  <rguenther@suse.de>
10878         PR tree-optimization/46886
10879         * tree-flow.h (do_while_loop_p): Declare.
10880         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
10881         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
10883 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
10885         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
10886         always succeed for integers larger than a native word.
10888 2012-02-08  Richard Guenther  <rguenther@suse.de>
10890         PR rtl-optimization/52170
10891         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
10892         properly handle integer vector modes.
10894 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
10896         PR gcov-profile/52150
10897         * coverage.c: Include target.h.
10898         (build_var): Call targetm.strip_name_encoding on the assembler name.
10899         Change one _ into . or $ if the target allows it.
10900         * Makefile.in (coverage.o): Depend on $(TARGET_H).
10902         PR rtl-optimization/52139
10903         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
10904         is a BARRIER after emit_insn_after_noloc, move BB_END
10905         to the last non-BARRIER insn before it.
10907 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
10909         PR middle-end/24306
10910         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
10911         (mips_gimplify_va_arg_expr): Call it instead of
10912         std_gimplify_va_arg_expr.
10914 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
10916         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
10917         message for -mno-pointers-to-nested-function.
10919 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
10921         PR middle-end/51994
10922         * expr.c (get_inner_reference): If there is an offset, add a negative
10923         bit position to it (if any).
10925 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
10927         PR rtl-optimization/52060
10928         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
10929         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
10930         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
10931         and/or i0src_copy2 when needed.
10933 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
10935         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
10936         or LTOPLUGINSONAME if have_c.
10938         * config/freebsd-spec.h: Add comment about what macros can be defined
10939         in this header.
10940         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
10941         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
10942         here instead.
10944 2012-02-07  Richard Guenther  <rguenther@suse.de>
10946         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
10947         newline in -alias dumps.
10949 2012-02-07  Kai Tietz  <ktietz@redhat.com>
10950             Dave Korn  <dave.korn.cygwin@gmail.com>
10952         PR target/40068
10953         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
10954         Take care that typinfo gets dllexport-attribute.
10956 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
10958         PR middle-end/52074
10959         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
10960         if modifier < EXPAND_SUM call force_operand on the result.
10962 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
10964         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
10965         adding __forwarder_dst__ prefix if a forwarder_section attribute is
10966         present.
10967         (epiphany_function_type): Replace types for specific interrupts with
10968         EPIPHANY_FUNCTION_INTERRUPT.
10969         (EPIPHANY_INTERRUPT_P): Update.
10970         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
10971         New static function.
10972         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
10973         <disinterrupt>: Affects type identity.
10974         (epiphany_handle_interrupt_attribute): Handle variable number of
10975         arguments.
10976         (epiphany_compute_function_type): Update for new
10977         epiphany_function_type definition.
10978         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
10979         handlers with a longcall forwarder.
10980         (epiphany_start_function): Handle multiple interrupt arguments and/or
10981         forwarder_section attribute.
10983         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
10984         libgloss.
10986 2012-02-07  Alan Modra  <amodra@gmail.com>
10988         PR target/52107
10989         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
10990         subregs of TFmode.
10992 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10994         PR tree-optimization/50969
10995         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
10996         use vec_perm rather than vector_stmt.
10997         (vect_model_load_cost): Likewise.
10998         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
10999         vec_perm to be the same as other vector statements.
11000         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
11001         cost of vec_perm for TARGET_VSX.
11003 2012-02-06  Richard Guenther  <rguenther@suse.de>
11005         PR tree-optimization/52115
11006         * tree-sra.c (access_has_replacements_p): New function.
11007         (sra_modify_assign): Use it to decide whether a use is uninitialized.
11009 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
11011         PR middle-end/52047
11012         * trans-mem.c (expand_call_tm): Add an assertion.
11013         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
11014         functions.
11016 2012-02-06  Richard Guenther  <rguenther@suse.de>
11018         PR tree-optimization/50955
11019         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
11020         raise cost of expressions that replace an address with an
11021         expression based on a different pointer.
11023 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
11025         PR target/52129
11026         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
11027         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
11029 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
11031         PR c++/48680
11032         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
11033         -Weffc++ and specify guidelines come from second edition.
11035 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
11037         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
11038         (sibcall_value_multiple_internal, call_split, call_internal_direct)
11039         (call_direct_split, call_value_split, call_value_internal_direct)
11040         (call_value_direct_split, call_value_multiple_split): Use jal and
11041         jal_macro attributes.
11043 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
11045         * reload1.c (reload_regs_reach_end_p): Replace with...
11046         (reload_reg_rtx_reaches_end_p): ...this function.
11047         (new_spill_reg_store): Update commentary.
11048         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
11049         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
11050         before setting new_spill_reg_store.
11051         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
11052         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
11053         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
11054         for non-spill reload registers.
11056 2012-02-05  Ira Rosen  <irar@il.ibm.com>
11058         PR tree-optimization/52091
11059         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
11060         (vect_is_simple_use_1): Likewise.
11061         * tree-vect-loop.c (vectorizable_reduction): Update calls
11062         to vect_is_simple_use_1 and vect_is_simple_use.
11063         (vectorizable_live_operation): Likewise.
11064         * tree-vect-patterns.c (widened_name_p,
11065         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
11066         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
11067         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
11068         vectorizable_shift,vectorizable_operation, vectorizable_store,
11069         vectorizable_load): Likewise.
11070         (vect_is_simple_cond): Add an argument, pass it to
11071         vect_is_simple_use_1.
11072         (vectorizable_condition): Update calls to vect_is_simple_cond,
11073         vect_is_simple_use.
11074         (vect_is_simple_use): Add an argument, the statement in which
11075         OPERAND is used.  Check that if OPERAND's def stmt is a double
11076         reduction phi node, the use is a phi node too.
11077         (vect_is_simple_use_1): Add an argument, pass it to
11078         vect_is_simple_use.
11079         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
11080         to vect_is_simple_use.
11082 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
11084         PR rtl-optimization/52095
11085         * modulo-sched.c (dump_insn_locator): New function.
11086         (loop_canon_p, sms_schedule): Use it.
11088         PR rtl-optimization/52113
11089         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
11090         even for decomposable shift/zext insns.
11092 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
11093             Zdenek Dvorak  <ook@ucw.cz>
11095         PR rtl-optimization/52092
11096         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
11097         on get_iv_value result.
11099 2012-02-02  Andrew Pinski  <apinski@cavium.com>
11101         PR middle-end/47982
11102         PR middle-end/43967
11103         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
11105 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
11107         PR middle-end/48071
11108         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
11110 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
11112         PR rtl-optimization/49800
11113         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
11114         (sched_finish): Call regstat_free_n_sets_and_refs.
11116 2012-02-02  Jia Liu  <proljc@gmail.com>
11118         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
11119         than operand 2.
11121 2012-02-02  Jan Hubicka  <jh@suse.cz>
11122             Tom de Vries  <tom@codesourcery.com>
11124         PR middle-end/51998
11125         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
11126         * varpool.c (varpool_analyze_pending_decls): Likewise.
11128 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
11129             Jayant R Sonar <jayant.sonar@kpitcummins.com>
11131         * config.gcc: Add cr16-* support.
11133         * doc/extend.texi: Document cr16 extensions.
11134         * doc/install.texi: Document cr16 install.
11135         * doc/invoke.texi: Document cr16 options.
11136         * doc/md.texi: Document cr16 constraints.
11138         * common/config/cr16/cr16-common.c: New file.
11139         * config/cr16/cr16.c: New file.
11140         * config/cr16/cr16.h: New file.
11141         * config/cr16/cr16.md: New file.
11142         * config/cr16/cr16.opt: New file.
11143         * config/cr16/cr16-protos.h: New file.
11144         * config/cr16/predicates.md: New file.
11145         * config/cr16/constraints.md: New file.
11146         * config/cr16/t-cr16: New file.
11148 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
11150         PR target/52086
11151         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
11152         that operands[2] is either immediate, or q_regs_operand.
11154         PR tree-optimization/52073
11155         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
11156         a pattern stmt for pattern uses, ignore uses outside of the loop.
11158 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
11160         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
11161         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
11162         (OUT_AS1, OUT_AS2): Remove.
11164 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
11166         PR rtl-optimization/51374
11167         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
11168         to cross other volatile_refs_p insns.
11170 2012-02-01  Richard Guenther  <rguenther@suse.de>
11172         * doc/invoke.texi (fno-inline): Clarify documentation.
11173         (finline-small-functions): Likewise.
11174         (finline-functions): Likewise.
11175         * common.opt (finline): Adjust comment and documentation.
11176         (finline-small-functions): Clarify documentation.
11177         (finline-functions): Likewise.
11178         (finline-functions-called-once): Likewise.
11180 2012-02-01  Tristan Gingold  <gingold@adacore.com>
11182         * c-typeck.c (composite_type): Keep mode for pointers.
11184 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
11186         * function.h (regno_reg_rtx): Adjust comment.
11187         * reginfo.c (init_reg_modes_target): Only use the previous mode
11188         if it fits within one register.  Remove MIPS comment.
11190 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
11192         PR bootstrap/52058
11193         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
11195 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11197         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
11198         to srak instruction.
11200 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11202         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
11204 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
11206         PR bootstrap/52041
11207         PR bootstrap/52039
11208         PR target/51974
11209         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
11211 2012-01-31  Richard Guenther  <rguenther@suse.de>
11213         PR tree-optimization/51528
11214         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
11215         assigns.
11217 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
11219         PR bootstrap/52041
11220         PR bootstrap/52039
11221         PR target/51974
11222         * ree.c (add_removable_extension): Change def_map argument
11223         to unsigned *, store in def_map 1 + offset into *insn_list vector
11224         instead of pointers into the vector.
11225         (find_removable_extensions): Adjust caller.
11227 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
11229         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
11230         Transform all "* quoted-c-code" to { c-code }.
11231         Remove redundant test for "optimize" in combine patterns.
11232         Move (include "avr-dimode.md") to end of file.
11234 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
11236         PR target/51835
11237         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
11238         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
11240 2012-01-30  Richard Guenther  <rguenther@suse.de>
11242         PR tree-optimization/52028
11243         * tree-loop-distribution.c (ldist_gen): Properly update
11244         virtual SSA form.
11246 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
11248         PR debug/52027
11249         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
11250         set_cur_line_info_table if not emitting debug info.
11252         PR tree-optimization/52046
11253         * tree-vect-patterns.c (check_bool_pattern): Give up if
11254         a comparison could throw.
11256         PR debug/52048
11257         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
11259 2012-01-30  Richard Guenther  <rguenther@suse.de>
11261         PR tree-optimization/52045
11262         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
11263         SSA form if cfgcleanup did anything.
11265 2012-01-30  Richard Guenther  <rguenther@suse.de>
11267         PR tree-optimization/52045
11268         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
11269         before computing final todo.
11271 2012-01-30  Richard Guenther  <rguenther@suse.de>
11273         PR tree-optimization/51528
11274         * tree-sra.c (sra_modify_assign): Re-factor in preparation
11275         for PR51528 fix.
11277 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
11279         * df-problems.c (df_kill_notes): Check that the use refers
11280         to the note under examination.
11282 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
11284         PR target/51920
11285         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
11286         parameter and use short-lived pseudos.
11287         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
11288         (sparc_expand_vector_init): Const-ify local variables and adjust
11289         calls to above functions.
11291 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
11293         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
11295 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
11297         * doc/invoke.texi: Make usage of "compile time" and
11298         "run time"/"runtime" consistent throughout the file.
11300 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
11302         * config/alpha/alpha.c (alpha_option_override): Default to
11303         full IEEE compliance mode for Go language.
11305 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
11307         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
11308         (LINK_SSP_SPEC): Define.
11310 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11312         PR target/51871
11313         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
11314         stubs.
11316 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
11318         * doc/invoke.texi: Correct hyphenation of "floating point",
11319         "double precision", and related terminology throughout the file.
11321 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
11323         PR target/52006
11324         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
11325         arm_general_register_operand predicate for operand 2 instead of
11326         register_operand.
11328 2012-01-27  Ian Lance Taylor  <iant@google.com>
11330         PR go/47656
11331         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
11332         * builtins.c (expand_builtin_init_trampoline): Add onstack
11333         parameter.  Change caller.
11334         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
11335         * tree.c (build_common_builtin_nodes): Declare
11336         __builtin_init_heap_trampoline.
11338 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
11340         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
11341         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
11342         * config/avr/avr.c: Ditto.
11343         (avr_regnames): Remove because unused.
11344         * config/avr/avr.md (*cpse.ne): New peephole.
11345         (*cpse.eq): New peephole from former cpse peepholes.
11347 2012-01-27  Michael Eager  <eager@eagercon.com>
11349         * config/microblaze.c (microblaze_emit_compare): Correct
11350         test after pcmp instruction.
11352 2012-01-27  Richard Guenther  <rguenther@suse.de>
11354         PR tree-optimization/52020
11355         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
11357 2012-01-27  Richard Guenther  <rguenther@suse.de>
11359         * ipa-pure-const.c (check_stmt): Clobbers do not make a
11360         function non-const/pure.
11362 2012-01-27  Richard Guenther  <rguenther@suse.de>
11364         PR tree-optimization/50444
11365         * tree-sra.c (build_ref_for_offset): Properly adjust the
11366         MEM_REF type for unaligned accesses.
11368 2012-01-27  Richard Guenther  <rguenther@suse.de>
11370         PR tree-optimization/50444
11371         * expr.c (mem_ref_refers_to_non_mem_p): New function.
11372         (expand_assignment): Use it.  Properly handle misaligned
11373         bases when expanding stores to component references.
11374         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
11375         refactor that case.
11377 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
11379         PR middle-end/51389
11380         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
11381         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
11382         * tree-data-ref.c (find_data_references_in_loop): Make static.
11383         (compute_all_dependences): Change return type to bool.  Bail out
11384         for too many datarefs in a loop.  Move the hunk resetting the data
11385         dependences vector from ...
11386         (compute_data_dependences_for_loop): ... here.  Account for
11387         compute_all_dependences returning false.
11388         (compute_data_dependences_for_bb): Likewise.
11389         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
11390         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
11392 2012-01-27  Richard Guenther  <rguenther@suse.de>
11394         PR middle-end/51959
11395         * expr.c (store_field): Use the alias-set of the scratch memory
11396         for storing to it.
11398 2012-01-27  Tom de Vries  <tom@codesourcery.com>
11400         PR tree-optimization/51990
11401         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11402         WITH_SIZE_EXPR.
11403         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
11405 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
11407         PR debug/52001
11408         * var-tracking.c (reverse_op): Don't add any reverse operation
11409         if V already has any constant locations.
11411 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
11413         * doc/invoke.texi: Correct usage of "command line" (noun)
11414         vs "command-line" (adjective) throughout.
11416 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
11418         * doc/invoke.texi (Language Independent Options): Move
11419         -Wcoverage-mismatch blurb from here....
11420         (Warning Options): ...to here.
11422 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
11424         * config/rs6000/rs6000.c (rs6000_option_override_internal):
11425         Set rs6000_always_hint to false for 476.
11427 2012-01-27  Matthias Klose  <doko@ubuntu.com>
11429         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
11430           system root.
11431         * incpath.c (add_standard_paths): Likewise.
11433 2012-01-27  Richard Henderson  <rth@redhat.com>
11435         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
11436         * config/m68k/sync.md (atomic_test_and_set): Rename from
11437         sync_test_and_setqi and adjust the operands.
11438         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
11439         and unconditionally enable.
11441 2012-01-27  Richard Henderson  <rth@redhat.com>
11443         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
11444         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
11445         (ldstub): Rename from ldstubqi.
11446         (ldstub<I24MODE>): Remove.
11448 2012-01-27  Richard Henderson  <rth@redhat.com>
11450         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
11451         * c-cppbuiltin.c (cpp_atomic_builtins): Define
11452         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
11453         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
11454         * doc/tm.texi: Rebuild.
11456 2012-01-27  Richard Henderson  <rth@redhat.com>
11458         * optabs.c (gen_atomic_test_and_set): Remove default.
11459         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
11461 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
11463         PR rtl-optimization/51978
11464         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
11465         (combine_reaching_defs): Likewise.
11466         (struct re_info): Remove.
11467         (add_removable_extension): Remove x and data arguments,
11468         add insn, insn_list and def_map.  Use the arguments directly
11469         instead of using struct re_info.
11470         (find_removable_extensions): Don't call add_removable_extension
11471         through note_stores, instead just call it with single_set
11472         result if non-NULL.
11473         (find_and_remove_re): Pass curr_cand->expr instead of
11474         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
11476 2012-01-26  Michael Matz  <matz@suse.de>
11478         PR tree-optimization/46590
11479         * cfgexpand.c: Revert last change (r183305).
11480         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
11481         regs.
11482         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
11483         checking for emptiness.
11485 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
11487         PR middle-end/51895
11488         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
11489         non-addressable non-BLKmode base correctly.
11491 2012-01-26  Michael Matz  <matz@suse.de>
11493         PR tree-optimization/48794
11494         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
11495         regions referenced from RESX/EH_DISPATCH.
11497 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11499         * config/s390/s390.h: Make BRANCH_COST an option.
11500         * config/s390/s390.opt: New option -mbranch-cost.
11502 2012-01-26  Richard Henderson  <rth@redhat.com>
11504         Revert 2012-01-24 change:
11505         * trans-mem.c (requires_barrier): Do not instrument thread local
11506         variables and emit save/restore for them.
11508 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
11510         PR middle-end/51986
11511         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
11512         for pat == 0.
11514 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
11516         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
11517         ASM_OPERANDS.
11519 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
11521         PR target/49868
11522         Rename __pgm to __flash.
11523         Rename __pgm1 to __flash1.
11524         Rename __pgm2 to __flash2.
11525         Rename __pgm3 to __flash3.
11526         Rename __pgm4 to __flash4.
11527         Rename __pgm5 to __flash5.
11528         Rename __pgmx to __memx.
11529         * doc/extend.texi (AVR Named Address Spaces)
11530         Rename address space names as indicated above.
11531         * config/avr/avr.c (avr_addrspace): Ditto.
11533         * config/avr/avr-protos.h
11534         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
11535         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
11536         * config/avr/predicates.md: Ditto.
11537         * config/avr/avr.c Ditto, and
11538         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
11539         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
11541         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
11542         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
11543         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
11544         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
11545         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
11546         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
11547         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
11548         * config/avr/avr.c: Ditto.
11549         * config/avr/avr.md: Ditto.
11551 2012-01-25  Jason Merrill  <jason@redhat.com>
11553         PR c++/51992
11554         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
11556 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
11558         PR tree-optimization/51987
11559         * tree-data-ref.c (get_references_in_stmt): Handle references in
11560         non-volatile GIMPLE_ASM.
11562 2012-01-25  Richard Guenther  <rguenther@suse.de>
11564         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
11565         bases are dereferenced.
11567 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
11569         PR rtl-optimization/48374
11570         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
11572 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
11574         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
11575         compute_data_dependences_for_loop returns false.
11576         * tree-parloops.c (loop_parallel_p): Likewise.
11578 2012-01-25  Richard Guenther  <rguenther@suse.de>
11580         * tree.h (get_pointer_alignment_1): Declare.
11581         * builtins.c (get_pointer_alignment_1): New function.
11582         (get_pointer_alignment): Use it.
11584 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
11586         PR rtl-optimization/48308
11587         * combine.c (enum undo_kind): Add UNDO_LINKS.
11588         (struct undo): Add member l to other_contents and where.
11589         (do_SUBST_LINK): New.
11590         (SUBST_LINK): New.
11591         (try_combine): Handle LOG_LINKS for the dummy i1 case.
11592         (undo_all): Handle UNDO_LINKS.
11594 2012-01-25  Richard Henderson  <rth@redhat.com>
11596         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
11597         mem inputs.
11599 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
11601         * optabs.c (gen_atomic_test_and_set): Use each argument.
11603 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
11605         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
11606         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
11607         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
11608         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
11609         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
11610         TARGET_PAIRED_SINGLE_FLOAT.
11612 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
11614         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
11615         (in_struct, return_val): Remove MEM documentation.
11616         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
11617         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
11618         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
11619         and MEM_SCALAR.
11620         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11621         * cfgexpand.c (add_alias_set_conflicts): Likewise.
11622         * expr.c (store_field): Likewise.
11623         * function.c (assign_stack_temp_for_type): Likewise.
11624         * ifcvt.c (noce_try_cmove_arith): Likewise.
11625         * reload1.c (reload): Likewise.
11626         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
11627         (alpha_set_memflags): Likewise.
11628         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
11630 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
11632         * rtl.h (true_dependence, canon_true_dependence): Remove varies
11633         parameter.
11634         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
11635         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
11636         (true_dependence_1, true_dependence, canon_true_dependence): Remove
11637         varies parameter.
11638         * cselib.c (cselib_rtx_varies_p): Delete.
11639         (cselib_invalidate_mem): Update call to canon_true_dependence.
11640         * dse.c (record_store, check_mem_read_rtx): Likewise.
11641         (scan_reads_nospill): Likewise.
11642         * cse.c (check_dependence): Likewise.
11643         (cse_rtx_varies_p): Delete.
11644         * expr.c (safe_from_p): Update call to true_dependence.
11645         * ira.c (validate_equiv_mem_from_store): Likewise.
11646         (memref_referenced_p): Likewise.
11647         * postreload-gcse.c (find_mem_conflicts): Likewise.
11648         * sched-deps.c (sched_analyze_2): Likewise.
11649         * store-motion.c (load_kills_store): Likewise.
11650         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
11651         * gcse.c (mems_conflict_for_gcse_p): Likewise.
11652         (compute_transp): Update call to canon_true_dependence.
11654 2012-01-25  Richard Henderson  <rth@redhat.com>
11656         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
11657         (maybe_emit_atomic_test_and_set): New.
11658         (expand_sync_lock_test_and_set): Use it.
11659         (expand_atomic_test_and_set): Likewise.
11660         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
11661         the implementation; clarify implementation defined details.
11662         * doc/md.texi (atomic_test_and_set): Document.
11664 2012-01-25  Richard Henderson  <rth@redhat.com>
11666         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
11668 2012-01-25  Richard Henderson  <rth@redhat.com>
11670         PR target/51968
11671         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
11672         to effect no-op split.
11674 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
11676         PR lto/51698
11677         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
11678         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
11679         (BT_FN_VOID_PTR_INT_SIZE): New.
11680         (BT_FN_UINT_UINT_VAR): Remove.
11681         (BT_FN_UINT32_UINT32_VAR): New.
11682         (BT_FN_DOUBLE_VPTR): Remove.
11683         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
11685         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
11686         (_ITM_changeTransactionMode): Same.
11687         (_ITM_memmoveRtWt): Change return type to void.
11688         (_ITM_memcpyRtWt): Same.
11689         (_ITM_memsetW): Same.
11690         (_ITM_RaRD): Change types to double.
11691         (_ITM_RD): Same.
11692         (_ITM_RaWD): Same.
11693         (_ITM_RfWD): Same.
11695         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
11697 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
11698             Patrick Marlier  <patrick.marlier@gmail.com>
11700         * trans-mem.c (requires_barrier): Do not instrument thread local
11701         variables and emit save/restore for them.
11703 2012-01-24  Jason Merrill  <jason@redhat.com>
11705         PR c++/51812
11706         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
11707         output static aliases.
11709 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
11711         PR driver/47249
11712         * common.opt (-pie, -shared, pie, shared): Change from Common to
11713         Driver.
11714         * gcc.c (display_help): Display help for -pie and -shared.
11716 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
11718         PR target/49868
11719         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
11720         Remove note on size/offset limitation.
11721         (AVR Variable Attributes): Add example how to read data located
11722         with progmem.  Refer to named address spaces.
11723         * doc/invoke.texi (AVR Options): Fix typo.
11725 2012-01-24  Richard Guenther  <rguenther@suse.de>
11727         Forward-port to trunk
11728         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
11730         PR middle-end/45678
11731         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
11732         op0 isn't sufficiently aligned and there is movmisalignM
11733         insn for mode, use it to load op0 into a temporary register.
11735 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
11737         PR target/51957
11738         * target.def (const_not_ok_for_debug_p): New hook.
11739         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
11740         documentation.
11741         * doc/tm.texi: Regenerated.
11742         * dwarf2out.c (const_ok_for_output_1): If
11743         targetm.const_not_ok_for_debug_p returns true, fail.
11744         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
11745         function.
11746         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
11748 2012-01-23  Kai Tietz  <ktietz@redhat.com>
11750         PR target/51900
11751         * config/i386/predicates.md (symbolic_operand): Allow
11752         UNSPEC_PCREL as PIC expression for lea.
11753         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
11754         * config/i386/i386.c (ix86_delegitimize_address): Handle
11755         UNSPEC_PCREL for none-MEM, too.
11757 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
11759         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
11760         (ipa_tm_create_version_alias): Same.
11762 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
11764         PR libitm/51830
11765         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
11766         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
11768 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
11769             Patrick Marlier  <patrick.marlier@gmail.com>
11770             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
11772         PR lto/51916
11773         * lto-wrapper.c (run_gcc): Pass the LTO section name to
11774         simple_object_start_read.
11776 2012-01-23  Richard Guenther  <rguenther@suse.de>
11779         PR tree-optimization/51895
11780         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
11781         parameter decomposition into BLKmode components.
11783 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
11785         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
11786         fake variables for restrict-qualified pointers whose pointed-to type
11787         contains a placeholder.
11789 2012-01-23  Richard Guenther  <rguenther@suse.de>
11791         PR tree-optimization/51949
11792         * ipa-split.c (execute_split_functions): Do not split malloc functions.
11794 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
11796         PR rtl-optimization/51933
11797         * ree.c (transform_ifelse): Return true right away if dstreg is
11798         already wider or equal to cand->mode.
11799         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
11800         (make_defs_and_copies_lists): Remove defs_list and copies_list
11801         arguments, add state argument, just truncate state->work_list
11802         instead of always allocating and freeing the vector.  Assert that
11803         get_defs succeeds instead of returning 2.  Changed return type to bool.
11804         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
11805         have ext_src_mode, see if it has been modified already with the
11806         right kind of extension and has been extended before from the
11807         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
11808         just return true.  Remember the original mode in state->modified array.
11809         (combine_reaching_defs): Add state argument.  Don't allocate and
11810         free here def_list, copied_list and vec vectors, instead just
11811         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
11812         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
11813         Add state variable, clear vectors in it, initialize state.modified
11814         if needed.  Free all the vectors at the end and state.modified too.
11815         Don't skip a candidate if the extension expression has been modified.
11817 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
11819         PR target/47096
11820         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
11821          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
11822         (extra_options) interix.opt -> i386/interix.opt"
11823         (extra_objs):Add winnt-stubs.o
11824         * configure.ac: Add interix to target_os .comm on PE check.
11825         * configure: Regenerate.
11826         * config/interix3.h: Delete and move bits to..
11827         * config/interix.h: Delete and move bits to..
11828         * config/i386/i386-interix3.h: Delete and move bits to..
11829         * config/i386/i386-interix.h: ..here.
11830         (TARGET_CPU_DEFAULT): Remove redefinition.
11831         (TARGET_ASM_CONSTRUCTOR): Undefine.
11832         (SUBTARGET_SWITCHES): Define for ms-bitfields.
11833         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
11834         (PTRDIFF_TYPE): Define.
11835         (LONG_DOUBLE_TYPE_SIZE): Define.
11836         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
11837         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
11838         (TARGET_SECTION_TYPE_FLAGS): Define.
11839         (ASM_DECLARE_FUNCTION_NAME): Define.
11840         (ASM_OUTPUT_EXTERNAL): Define.
11841         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
11842         (ASM_OUTPUT_ALIGNED_BSS): Define.
11843         (PCC_BITFIELD_TYPE_MATTERS): Define.
11844         (USE_CONST_SECTION): Define.
11845         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
11846         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
11847         (SUPPORTS_ONE_ONLY): Remove.
11848         (I386_PE_STRIP_ENCODING): Define.
11849         * config/interix.opt: Delete and move bits to..
11850         * config/i386/interix.opt: ..here. New.
11851         (mpe-aligned-commons): Add.
11852         * config/i386/t-interix: Add copyright header.
11853         (winnt-stubs.o): Add rule.
11855 2012-01-22  Jason Merrill  <jason@redhat.com>
11857         PR c++/51832
11858         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
11859         for extra name aliases.
11861 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11863         PR rtl-optimization/51924
11864         * ree.c (combine_set_extension): Improve debugging message.
11865         (combine_reaching_defs): Likewise.
11866         (get_defs): Rename confusingly named variable.
11867         (find_and_remove_re): Skip a candidate if the extension expression has
11868         been modified.
11870 2012-01-21  Robert Millan  <rmh@gnu.org>
11871             Gerald Pfeifer  <gerald@pfeifer.com>
11873         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
11874         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
11876 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
11878         PR tree-optimization/51914
11879         * tree-vect-stmts.c (vectorizable_conversion): For
11880         cvt_type && modifier == WIDEN, put temporary with cvt_type
11881         at the beginning of vec_dsts and set vec_dest to temporary
11882         with vectype_out.
11884 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
11886         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
11888 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
11890         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
11891         * config/rs6000/rs6000.c: Likewise.
11893 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
11895         PR target/51915
11896         * config/arm/arm.c (arm_count_output_move_double_insns): Call
11897         output_move_double on a copy of operands array.
11899 2012-01-20  Cary Coutant  <ccoutant@google.com>
11900             Dodji Seketeli  <dodji@redhat.com>
11902         PR debug/45682
11903         * dwarf2out.c (copy_declaration_context): Return ref to parent
11904         of declaration DIE, if necessary.
11905         (remove_child_or_replace_with_skeleton): Add new parameter; update
11906         caller.  Place skeleton DIE under parent DIE of original declaration.
11907         Move call to copy_declaration_context to here ...
11908         (break_out_comdat_types): ... from here.
11910 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11912         PR rtl-optimization/51856
11913         * reload.c (find_reloads_subreg_address): Set the address_reloaded
11914         flag to reloaded.
11916 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
11918         PR target/51819
11919         * config/arm/arm.c (arm_print_operand): Correct output of alignment
11920         hints for neon loads and stores.
11922 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
11924         PR target/49868
11925         PR target/50887
11926         * doc/extend.texi (Named Address Spaces): Split into subsections.
11927         (AVR Named Address Spaces): New subsection.
11928         (M32C Named Address Spaces): New subsection.
11929         (RL78 Named Address Spaces): New subsection.
11930         (SPU Named Address Spaces): New subsection.
11931         (Variable Attributes): New anchor "AVR Variable Attributes".
11932         (AVR Variable Attributes): Rewrite and avoid wording
11933         "address space" in this context.
11934         * doc/invoke.texi (AVR Options): Rewrite and add documentation
11935         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
11936         (AVR Built-in Macros): New subsubsection therein.
11937         * doc/md.texi (AVR constraints): Remove "C04", "R".
11939 2012-01-20  Richard Guenther  <rguenther@suse.de>
11941         PR tree-optimization/51903
11942         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
11943         when removing stmts.
11945 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
11947         PR target/50313
11948         * config/arm/arm.c (arm_load_pic_register): Use
11949         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
11950         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
11951         (arm_pic_static_addr): Likewise.
11952         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
11953         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
11954         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
11955         (pic_load_addr_unified): New.
11957 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
11959         PR target/51106
11960         * function.c (instantiate_virtual_regs_in_insn): Use
11961         delete_insn_and_edges when removing a wrong asm insn.
11963 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11965         PR rtl-optimization/40761
11966         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
11967         Add new member loop_num.
11968         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
11969         (ira_build): Remove the parameter.
11971         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
11972         (ira.c): Do not build CFG loops for one region allocation.  Remove
11973         argument from ira_build call.
11975         * ira-build.c (init_loop_tree_node): New function.
11976         (create_loop_tree_nodes): Use it.  Separate the case when CFG
11977         loops are not built.
11978         (more_one_region_p): Check current_loops.
11979         (finish_loop_tree_nodes): Separate the case when CFG loops are not
11980         built.
11981         (add_loop_to_tree): Process loop equal to NULL too.
11982         (form_loop_tree): Separate the case when CFG loops are not built.
11983         Use explicitly number for the root.
11984         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
11985         an assertion.
11986         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
11987         instead of loop->num.
11988         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
11989         (mark_all_loops_for_removal): Ditto.
11990         (remove_unnecessary_regions): Separate the case when CFG loops
11991         are not built.
11992         (ira_build): Remove the parameter.  Use explicit number of regions
11993         when CFG loops are not built.
11995         * ira-color.c (print_loop_title): Separate the case for the root node.
11996         Use loop_num instead of loop->num.
11997         (move_spill_restore): Use loop_num instead of loop->num.
11999         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
12000         (change_loop): Ditto.
12001         (change_loop): Use loop_num instead of loop->num.
12003         * ira-lives.c (process_bb_node_lives): Ditto.
12005         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
12007         * ira-conflicts.c (print_allocno_conflicts): Ditto.
12009 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
12011         PR libmudflap/40778
12012         * tree-mudflap.c (mf_artificial): New function.
12013         (execute_mudflap_function_ops, execute_mudflap_function_decls,
12014         mx_register_decls, mudflap_enqueue_decl): Use it.
12016         PR target/51876
12017         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
12018         numbers in the insn pattern.
12020 2012-01-19  Michael Matz  <matz@suse.de>
12022         PR tree-optimization/46590
12023         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
12024         use it in remembering which conflicts we already created.
12025         (add_scope_conflicts): Adjust call to above, (de)allocate helper
12026         bitmap.
12028 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
12030         PR lto/51280
12031         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
12032         (merge_and_complain): Same.
12034 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
12036         PR bootstrap/50237
12037         * config/initfini-array.h: Guard content of the header
12038         with #ifdef HAVE_INITFINI_ARRAY.
12039         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
12040         Add initfini-array.h to tm_file here.
12041         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
12042         * config.gcc: Don't add initfini-array.h to tm_file here.
12043         * configure: Regenerated.
12045 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
12047         PR rtl-optimization/51505
12048         * df-problems.c (df_kill_notes): New parameter live. Update comment.
12049         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
12050         (df_note_bb_compute): Update the call to df_kill_notes.
12052 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
12054         * trans-mem.c (requires_barrier): Remove call to is_global_var.
12056 2012-01-18  Richard Guenther  <rguenther@suse.de>
12058         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
12059         of conversions to void *.
12061 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12062             Richard Sandiford  <rdsandiford@googlemail.com>
12064         PR middle-end/50325
12065         PR middle-end/51192
12066         * optabs.h (simplify_expand_binop): Declare.
12067         * optabs.c (simplify_expand_binop): Make global.
12068         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
12069         endian targets if the source cannot be exactly covered by word
12070         mode chunks.
12072 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
12074         PR bootstrap/51872
12075         * hard-reg-set.h (struct hard_reg_set_container): New type.
12076         * target.h (struct hard_reg_set_container): Forward declare.
12077         * target.def (set_up_by_prologue): New target hook.
12078         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
12079         * doc/tm.texi: Regenerated.
12080         * function.c (thread_prologue_and_epilogue_insns): Change
12081         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
12082         Call targetm.set_up_by_prologue on it.
12083         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
12084         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
12086 2012-01-17  Nick Clifton  <nickc@redhat.com>
12088         * config/rx/rx.c (rx_can_use_simple_return): New function.
12089         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
12090         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
12092 2012-01-17  Richard Guenther  <rguenther@suse.de>
12094         PR middle-end/51782
12095         * expr.c (expand_assignment): Take address-space information
12096         from the address operand of MEM_REF and TARGET_MEM_REF.
12097         (expand_expr_real_1): Likewise.
12099 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12101         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
12102         reload dump is requested.
12104 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
12106         PR other/51165
12107         * trans-mem.c (requires_barrier): Call may_be_aliased.
12109 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
12111         PR tree-optimization/51877
12112         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
12113         call arguments and fndecls compare equal, instead return false if they
12114         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
12115         both SSA_NAMEs that are valueized the same, or they satisfy
12116         operand_equal_p.
12118 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12120         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
12121         Solaris 11+.
12122         * configure: Regenerate.
12124 2012-01-16  Jan Hubicka  <jh@suse.cz>
12126         PR c/12245
12127         PR c++/14179
12128         * convert.c (convert_to_integer): Use fold_convert for
12129         converting an INTEGER_CST to integer type.
12131 2012-01-16  Jason Merrill  <jason@redhat.com>
12133         PR c++/14179
12134         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
12136 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
12138         PR bootstrap/51860
12139         * config/s390/s390.c (s390_chunkify_start): Don't skip
12140         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
12141         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
12142         If insn is followed by NOTE_INSN_VAR_LOCATION or
12143         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
12144         Don't use location of note insns.
12146         PR tree-optimization/51865
12147         * tree-inline.c (tree_function_versioning): Call remap_decl
12148         on DECL_RESULT whenever it has VOID_TYPE_P type.
12150 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
12152         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
12153         for calls to locally-binding MIPS16 functions if only the return
12154         type uses float regs.
12156 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
12157             Richard Sandiford  <rdsandiford@googlemail.com>
12159         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
12160         (SYMBOL_32_HIGH): Likewise.
12161         (mips_output_tls_reloc_directive): Declare.
12162         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
12163         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
12164         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
12165         (mips_lo_relocs, mips_hi_relocs): Make extern.
12166         (mips16_stub_function): Move up file.
12167         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
12168         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
12169         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
12170         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
12171         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
12172         (mips_get_tp): Add MIPS16 support.
12173         (mips_legitimize_tls_address): Remove MIPS16 sorry().
12174         Generalize DTPREL and TPREL handling.
12175         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
12176         Add MIPS16 TLS support.
12177         (mips_output_tls_reloc_directive): New function.
12178         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
12179         * config/mips/predicates.md (symbolic_operand_with_high)
12180         (tls_reloc_operand): New predicates.
12181         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
12182         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
12183         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
12184         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
12185         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
12186         (*tls_get_tp_mips16_call_<mode>): Likewise.
12188 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
12190         PR rtl-optimization/51821
12191         * recog.c (peep2_find_free_register): Determine clobbered registers
12192         from insn pattern.
12194 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
12196         PR target/50925
12197         * config/avr/avr-protos.h: Revert change of 2012-01-09.
12198         * config/avr/avr.c: Likewise.
12199         * config/avr/avr.h: Likewise.
12201 2012-01-13  Ian Lance Taylor  <iant@google.com>
12203         PR c++/50012
12204         * tree.h (TYPE_QUALS): Add cast to int.
12205         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
12207 2012-01-13  Ian Lance Taylor  <iant@google.com>
12209         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
12210         comparing param_index to VEC_length result.
12212 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
12214         * c-decl.c: Do not include tree-mudflap.h
12215         * tree-optimize.c: Likewise.
12216         * Makefile.in: Update dependencies.
12218 2012-01-13  Richard Guenther  <rguenther@suse.de>
12220         PR middle-end/8081
12221         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
12222         variable-sized result always use RSO.
12224 2012-01-12  DJ Delorie  <dj@redhat.com>
12226         * cfgexpand.c (convert_debug_memory_address): Allow any valid
12227         pointer type, not just the default pointer type.
12229 2012-01-09  Richard Henderson  <rth@redhat.com>
12230             Denis Chertykov  <chertykov@gmail.com>
12232         PR target/50925
12233         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
12234         * config/avr/avr.c (avr_can_eliminate): Simplify.
12235         (avr_initial_elimination_offset): Likewise.
12236         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
12237         (expand_epilogue): Likewise.
12238         (avr_legitimize_address): Gut.
12239         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
12240         (avr_hard_regno_nregs): New.
12241         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
12242         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
12243         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
12244         add soft frame pointer.
12245         (CALL_USED_REGISTERS): Likewise.
12246         (REG_CLASS_CONTENTS): Likewise.
12247         (REGISTER_NAMES): Likewise.
12248         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
12249         (HARD_FRAME_POINTER_REGNUM): New.
12250         (FRAME_POINTER_REGNUM): Use soft frame pointer.
12251         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
12252         remove the HARD_FRAME_POINTER self-elimination.
12254 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
12256         PR target/51756
12257         * config/avr/avr.c (avr_encode_section_info): Test for absence of
12258         DECL_EXTERNAL when checking for initializers of progmem variables.
12260 2012-01-12  Ira Rosen  <irar@il.ibm.com>
12262         PR tree-optimization/51799
12263         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
12264         that the last operation is a type demotion.
12266 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
12268         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
12269         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
12271 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
12273         PR bootstrap/51796
12274         * combine.c (distribute_notes): If i3 is a noreturn call,
12275         allow old_size to be equal to args_size and make sure the
12276         noreturn call gets REG_ARGS_SIZE note.
12277         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
12278         on noreturn calls even when the delta is 0.
12280 2012-01-11  Nathan Sidwell  <nathan@acm.org>
12282         * gcov.c (STRING_SIZE): Remove.
12283         (generate_results): Erase annotations for source files with no
12284         coverage information.
12285         (read_line): New.
12286         (output_lines): Use it.
12288 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12290         * gimple.h (gimplify_body): Remove first argument.
12291         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
12292         pointer set here, instead just pass DATA to walk_tree.
12293         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
12294         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
12295         (unvisit_body): Likewise, but with unmark_visited.
12296         (gimplify_body): Remove BODY_P argument and adjust.
12297         (gimplify_function_tree): Adjust call to gimplify_body.
12298         * omp-low.c (finalize_task_copyfn): Likewise.
12300 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12302         * tree.h (build_function_decl_skip_args): Add boolean parameter.
12303         (build_function_type_skip_args): Delete.
12304         * tree.c (build_function_type_skip_args): Make static and add
12305         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
12306         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
12307         pass it to build_function_type_skip_args.
12308         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
12309         (tree_function_versioning): Likewise.
12310         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
12311         build_function_decl_skip_args.
12312         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
12313         and pass it to build_function_decl_skip_args/tree_function_versioning.
12314         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
12315         * ipa-inline-transform.c (save_inline_function_body): Likewise.
12316         * trans-mem.c (ipa_tm_create_version): Likewise.
12317         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
12318         * tree-inline.c (declare_return_variable): Remove always-true test.
12319         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
12320         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
12321         * ipa-split.c (split_function): Skip the return value for the split
12322         part if it doesn't return.
12324 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12326         PR tree-optimization/49642
12327         * ipa-split.c (forbidden_dominators): New variable.
12328         (check_forbidden_calls): New function.
12329         (dominated_by_forbidden): Likewise.
12330         (consider_split): Check for forbidden dominators.
12331         (execute_split_functions): Initialize and free forbidden
12332         dominators info; call check_forbidden_calls.
12334 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12336         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
12338 2012-01-11  Nick Clifton  <nickc@redhat.com>
12340         * config/rx/rx.md (return): Define pattern.
12342 2012-01-11  Richard Guenther  <rguenther@suse.de>
12344         * doc/extend.texi (malloc attribute): Adjust according to
12345         implementation.
12347 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
12348             Patrick Marlier  <patrick.marlier@gmail.com>
12350         PR middle-end/51516
12351         * trans-mem.c (get_cg_data): Traverse aliases if requested.
12352         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
12353         (ipa_tm_note_irrevocable): Same.
12354         (ipa_tm_scan_irr_block): Same.
12355         (ipa_tm_decrement_clone_counts): Same.
12356         (ipa_tm_scan_irr_function): Same.
12357         (ipa_tm_create_version_alias): Same.
12358         (ipa_tm_create_version): Same.
12359         (ipa_tm_transform_calls_redirect): Same.
12360         (ipa_tm_transform_calls): Same.
12361         (ipa_tm_transform_transaction): Same.
12362         (ipa_tm_execute): Same.
12364 2012-01-10  Richard Guenther  <rguenther@suse.de>
12366         PR middle-end/51806
12367         * opts.c (common_handle_option): Handle -Werror.
12369 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
12371         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
12372         operand number.
12374 2012-01-10  Jason Merrill  <jason@redhat.com>
12376         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
12377         information.
12379 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12381         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
12382         supports R_386_TLS_GD_PLT reloc.
12383         (gcc_cv_as_ix86_tlsldmplt): Check if linker
12384         supports R_386_TLS_LDM_PLT reloc.
12385         * configure: Regenerate.
12386         * config.in: Regenerate.
12388 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
12390         PR target/49868
12391         Extend __pgmx semantics to linearize memory.
12392         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
12393         determine if code comes inline or from libgcc.
12394         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
12395         (movmem_qi, movmem_qi): Set constraint #2 to "n".
12396         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
12397         (movmemx_qi, movmemx_hi): New insns.
12398         (xload_<mode>_libgcc): Rewrite to new insn condition.
12399         (xload_<mode>): Remove insns.
12400         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
12401         cases that don't satisfy avr_xload_libgcc_p().
12402         (avr_addr_space_convert): Allow converting in any direction.
12403         (avr_addr_space_subset_p): Return always true.
12404         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
12405         (avr_emit_movmemhi): Ditto.
12406         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
12407         (avr_out_movmem): Ditto.
12408         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
12409         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
12410         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
12411         (avr_encode_section_info): Encode 'progmem' in symbol flags.
12412         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
12414 2012-01-10  Richard Guenther  <rguenther@suse.de>
12416         PR tree-optimization/50913
12417         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
12418         Require data-refs to be representable by Graphite with respect
12419         to any loop nest.
12421 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
12423         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
12424         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
12426 2012-01-10  Tom de Vries  <tom@codesourcery.com>
12428         PR rtl-optimization/51271
12429         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
12430         handling annulled branch.
12432 2012-01-10  Richard Henderson  <rth@redhat.com>
12434         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
12435         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
12436         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
12437         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
12438         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
12439         arm_expand_vec_perm_const): New.
12440         * config/arm/arm-protos.h: Update.
12441         * config/arm/neon.md (UNSPEC_VCONCAT): New.
12442         (*neon_vswp<VDQX>): New.
12443         (neon_vcombine<VDX>): Use neon_split_vcombine.
12444         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
12445         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
12446         (vec_perm<VE>): New.
12448 2012-01-10  Richard Henderson  <rth@redhat.com>
12450         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
12451         use it if reload_completed.
12452         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
12453         arm_output_asm_insn, arm_process_output_memory_barrier,
12454         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
12455         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
12456         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
12457         arm_process_output_sync_insn, arm_output_sync_insn,
12458         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
12459         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
12460         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
12461         (emit_unlikely_jump): New.
12462         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
12463         (arm_split_atomic_op): New.
12464         * config/arm/arm-protos.h: Update.
12465         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
12466         (struct arm_sync_generator): Remove.
12467         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
12468         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
12469         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
12470         (VUNSPEC_LL, VUNSPEC_SC): New.
12471         (sync_result, sync_memory, sync_required_value, sync_new_value,
12472         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
12473         (attr length): Don't use arm_sync_loop_insns.
12474         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
12475         (movsfcc, movdfcc): Likewise.
12476         * config/arm/constraints.md (Ua): New.
12477         * config/arm/prediates.md (mem_noofs_operand): New.
12478         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
12479         (sync_clobber, sync_t2_reqd): Remove.
12480         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
12481         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
12482         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
12483         (arm_sync_compare_and_swap<SIDI>): Remove.
12484         (arm_sync_compare_and_swap<NARROW>): Remove.
12485         (arm_sync_lock_test_and_set<SIDI>): Remove.
12486         (arm_sync_lock_test_and_set<NARROW>): Remove.
12487         (arm_sync_new_<syncop><SIDI>): Remove.
12488         (arm_sync_new_<syncop><NARROW>): Remove.
12489         (arm_sync_new_nand<SIDI>): Remove.
12490         (arm_sync_new_nand<NARROW>): Remove.
12491         (arm_sync_old_<syncop><SIDI>): Remove.
12492         (arm_sync_old_<syncop><NARROW>): Remove.
12493         (arm_sync_old_nand<SIDI>): Remove.
12494         (arm_sync_old_nand<NARROW>): Remove.
12495         (*memory_barrier): Merge arm_output_memory_barrier.
12496         (atomic_compare_and_swap<QHSD>): New.
12497         (atomic_compare_and_swap<NARROW>_1): New.
12498         (atomic_compare_and_swap<SIDI>_1): New.
12499         (atomic_exchange<QHSD>): New.
12500         (cas_cmp_operand, cas_cmp_str): New.
12501         (atomic_op_operand, atomic_op_str): New.
12502         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
12503         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
12504         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
12505         (arm_load_exclusive<NARROW>): New.
12506         (arm_load_exclusivesi, arm_load_exclusivedi): New.
12507         (arm_store_exclusive<QHSD>): New.
12509 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12511         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
12512         reload patterns if -mvsx-scalar-memory.
12514         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
12515         generated, even -mno-vsx-scalar-double was used.
12516         (vsx_xscvdpsp_scalar): Likewise.
12517         (vsx_xscvspdp_scalar2): Likewise.
12519 2012-01-09  Tom de Vries  <tom@codesourcery.com>
12520             Andrew Pinski  <apinski@cavium.com>
12522         PR debug/51471
12523         * reorg.c (fill_slots_from_thread): Don't speculate
12524         frame-related insns.
12526 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
12528         * sched-int.h (bb_note): Move to...
12529         * basic-block.h: ...here.
12530         * haifa-sched.c (bb_note): Move to...
12531         * cfgrtl.c: ...here.
12532         * function.c (next_block_for_reg): New function.
12533         (move_insn_for_shrink_wrap): Likewise.
12534         (prepare_shrink_wrap): Rewrite to use the above.
12536 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
12538         * gimple.c (is_gimple_non_addressable): Remove.
12539         * gimple.h: Remove is_gimple_non_addressable.
12540         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
12541         is_gimple_non_addressable.
12542         * trans-mem.c (expand_assign_tm): Same.
12544 2012-01-09  Richard Guenther  <rguenther@suse.de>
12546         PR tree-optimization/51775
12547         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
12548         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
12550 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12552         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
12553         tuning parameters.
12554         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
12556 2012-01-09  Richard Guenther  <rguenther@suse.de>
12558         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
12560 2012-01-08  Jan Hubicka  <jh@suse.cz>
12562         PR tree-optimize/51680
12563         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
12564         on when known_vals needs to be computed; cleanup.
12566 2012-01-08  Jan Hubicka  <jh@suse.cz>
12568         PR tree-optimize/51694
12569         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
12571 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
12573         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
12574         for -std=c++98 and -std=c++11 too.
12576 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
12578         * cfgloop.c (cancel_loop): Add free() of bbs array.
12580 2012-01-07  Jan Hubicka  <jh@suse.cz>
12582         PR tree-optimization/51600
12583         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
12584         that benefits small functions.
12586 2012-01-07  Jan Hubicka  <jh@suse.cz>
12588         * ipa-inline.c (want_inline_small_function_p): Fix formating.
12590 2012-01-07  Jan Hubicka  <jh@suse.cz>
12592         PR tree-optimization/51680
12593         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
12594         whose inlining reduce unit size.
12596 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
12598         PR bootstrap/51725
12599         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
12600         Add canonical node to containing_mem chain after the non-canonical
12601         one, even if there weren't any locs to propagate.
12602         (remove_useless_values): Keep only canonical values.
12603         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
12604         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
12605         canonicalize mem_chain elements that are not discarded.
12607 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
12609         PR target/47333
12610         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
12611         before emitting functions.
12613         PR gcov-profile/50127
12614         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
12615         clear_aux_for_blocks.
12617 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
12619         PR debug/51746
12620         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
12622 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
12624         * c-decl.c (ext_block): Moved up.
12625         (collect_all_refs, for_each_global_decl): Take ext_block into account.
12627 2012-01-06  Han Shen  <shenhan@google.com>
12629         Translate built-in include paths for sysroot.
12630         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
12631         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
12633         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
12634         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
12636         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
12637         control whether sysroot should be prepended to gxx include dir.
12639         * configure: Regenerate.
12641 2012-01-06  Torvald Riegel  <triegel@redhat.com>
12643         PR rtl-optimization/51771
12644         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
12645         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
12647 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
12649         PR tree-optimization/51315
12650         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
12651         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
12653 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
12655         PR target/51681
12656         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
12657         for shrp pattern.  Correctly handle and fixup shift variable.
12658         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
12660 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
12662         PR debug/51762
12663         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
12664         note when !ACCUMULATE_OUTGOING_ARGS.
12666 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
12668         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
12669         condition.
12670         (extract_range_from_unary_expr_1): Avoid useless computations.
12672 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
12674         PR rtl-optimization/51767
12675         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
12676         of jump_block and add an extra edge for degenerated asm gotos.
12678         PR middle-end/51768
12679         * stmt.c (check_unique_operand_names): Don't ICE during error
12680         reporting if i is from labels chain.
12682         PR middle-end/44777
12683         * profile.c (branch_prob): Split bbs that have exit edge
12684         and need a fake entry edge too.
12686 2012-01-05  Jan Hubicka  <jh@suse.cz>
12688         PR middle-end/49710
12689         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
12690         unlooping loops.
12692 2012-01-05  Richard Guenther  <rguenther@suse.de>
12694         PR lto/50490
12695         * tree-streamer-out.c (write_ts_optimization): New function.
12696         (streamer_write_tree_body): Call it.
12697         * tree-streamer-in.c (lto_input_ts_optimization): New function.
12698         (streamer_read_tree_body): Call it.
12699         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
12701 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
12703         PR middle-end/51761
12704         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
12705         * gimplify.c (gimplify_cleanup_point_expr): Save and set
12706         in_cleanup_point_expr before gimplify_stmt call and restore it
12707         afterwards.
12708         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
12709         in_cleanup_point_expr is false.
12711 2012-01-05  Richard Guenther  <rguenther@suse.de>
12713         PR middle-end/51764
12714         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
12715         to c.opt.
12716         * toplev.c (process_options): Reject combining mudflap and LTO.
12717         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
12719 2012-01-05  Richard Guenther  <rguenther@suse.de>
12721         PR tree-optimization/51760
12722         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
12723         not VARYING.
12724         (bit_value_unop): Handle UNDEFINED operands.
12725         (bit_value_binop): Likewise.
12727 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
12729         * config/avr/avr.c (avr_replace_prefix): Remove.
12730         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
12731         (avr_asm_function_rodata_section): Ditto.
12732         (avr_asm_select_section): Ditto.
12734 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
12736         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
12737         insertion.
12739 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
12741         PR bootstrap/51648
12742         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
12743         calls that have any non-fake successor edges.
12745         PR debug/51746
12746         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
12748 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
12750         PR tree-optimization/51624
12751         * tree-sra.c (build_ref_for_model): When replicating a chain of
12752         COMPONENT_REFs, stop as soon as the offset would become negative.
12754 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
12756         PR debug/51695
12757         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
12758         in .debug_loc on the floor.
12760 2012-01-04  Andrew Pinski  <apinski@cavium.com>
12762         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
12764 2012-01-04  Andrew Pinski  <apinski@cavium.com>
12765             Adam Nemet  <anemet@caviumnetworks.com>
12767         * config/mips/mips.md (size): Add SI and DI.
12768         (SIZE): New mode attribute.
12769         (U): New code attribute.
12770         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
12771         (mips_lbux_<mode>): Delete.
12772         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
12773         (mips_lhx): Use gen_mips_lhx_extsi.
12774         (mips_lhx_<mode>): Delete.
12775         (mips_lwx): Delete.
12776         (mips_l<size>x): New expand.
12777         (mips_lwx_<mode>): Delete.
12778         (mips_l<GPR:size>x_<P:mode>): New pattern.
12779         (*mips_lw<u>x_<P:mode>_ext): Likewise.
12780         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
12781         * config/mips/mips.c (mips_lx_address_p): New function.
12782         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
12783         (dsp64): New availability predicate.
12784         (mips_builtins): Add an entry for __builtin_mips_ldx.
12785         * config/mips/mips.h (ISA_HAS_LBX): New define.
12786         (ISA_HAS_LBUX): Likewise.
12787         (ISA_HAS_LHX): Likewise.
12788         (ISA_HAS_LHUX): Likewise.
12789         (ISA_HAS_LWX): Likewise.
12790         (ISA_HAS_LWUX): Likewise.
12791         (ISA_HAS_LDX): Likewise.
12792         * doc/extend.texi (__builtin_mips_ldx): Document.
12794 2012-01-04  Tristan Gingold  <gingold@adacore.com>
12796         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
12797         when long pointers are used.
12798         * config.build (*-*-*vms*): Handle all OpenVMS targets.
12799         (alpha64-dec-*vms*, alpha*-dec-*vms*)
12800         (ia64-hp-*vms*): Remove.
12801         * config/vms/xm-vms64.h: Delete.
12803 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
12805         PR middle-end/51472
12806         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
12808 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
12810         * opts.c (finish_options): Remove duplicate sorry.
12812 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
12814         PR middle-end/51696
12815         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
12816         correctly.
12818 2012-01-04  Richard Guenther  <rguenther@suse.de>
12820         PR middle-end/51750
12821         * tree.c (size_low_cst): New function.
12822         * tree.h (size_low_cst): Declare.
12823         * fold-const.c (fold_comparison): Use it to extract the low
12824         part of the POINTER_PLUS_EXPR offset.
12826 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
12828         Fix clearing ZERO_REG
12829         * config/avr/avr.md (cc): Add alternative "ldi".
12830         (movqi_insn): Use it in cc attribute.
12831         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
12832         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
12833         (output_reload_insisf): Use ZERO_REG to pre-clear register.
12835 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12837         * configure: Regenerate.
12839 2012-01-04  Richard Guenther  <rguenther@suse.de>
12841         PR tree-optimization/49651
12842         * tree-ssa-structalias.c (type_can_have_subvars): New function.
12843         (var_can_have_subvars): Use it.
12844         (get_constraint_for_1): Only consider subfields if there can be any.
12846 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
12848         PR bootstrap/51725
12849         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
12850         to its new canonical_cselib_val and the cselib_val was in
12851         first_containing_mem chain, but the canonical_cselib_val was not,
12852         add the latter into the chain.
12853         (cselib_invalidate_mem): Compare canonical_cselib_val of
12854         addr_list chain elt with v.
12856         PR pch/51722
12857         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
12858         dwarf2out_undef): Allocate e.info using ggc_strdup instead
12859         of xstrdup.
12860         (output_macinfo_op): Don't ggc_strdup fd->filename.
12861         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
12862         then ggc_strdup it.  Don't free inc->info or cur->info.
12863         (output_macinfo): Don't free ref->info or file->info.
12865 2012-01-03  Ira Rosen  <irar@il.ibm.com>
12867         PR tree-optimization/51269
12868         * tree-vect-loop-manip.c (set_prologue_iterations): Make
12869         first_niters a pointer.
12870         (slpeel_tree_peel_loop_to_edge): Likewise.
12871         (vect_do_peeling_for_loop_bound): Update call to
12872         slpeel_tree_peel_loop_to_edge.
12873         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
12874         here.  Remove it from the parameters list.
12875         (vect_do_peeling_for_alignment): Update calls and compute
12876         wide_prolog_niters.
12878 2012-01-03  Richard Guenther  <rguenther@suse.de>
12880         PR tree-optimization/51070
12881         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
12882         Properly handle calls.
12884 2012-01-03  Richard Guenther  <rguenther@suse.de>
12886         PR tree-optimization/51692
12887         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
12888         the LHS of allocation stmts.
12890 2012-01-03  Olivier Hainque  <hainque@adacore.com>
12892         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
12894 2012-01-03  Olivier Hainque  <hainque@adacore.com>
12896         * collect2.c (main): In AIX specific computations for vector
12897         insertions, use CONST_CAST2 to cast from char ** to const char **.
12899 2012-01-03  Richard Guenther  <rguenther@suse.de>
12901         PR debug/51650
12902         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
12903         the context of a limbo DIE when it does not already exist.
12905 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
12907         PR tree-optimization/51719
12908         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
12909         but direct call is, clear direct call's lhs and don't add fallthrough
12910         edge from dcall_bb to join_bb and PHIs.
12912 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12914         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
12915         the instructions emitted by the pattern.
12916         ("*TDC_insn_<mode>"): Add comment.
12918 2012-01-03  Richard Guenther  <rguenther@suse.de>
12920         PR middle-end/51730
12921         * fold-const.c (fold_comparison): Properly canonicalize
12922         tree offset and HOST_WIDE_INT bit position.
12924 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
12926         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
12927         operands for extzv pattern.
12929 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
12931         PR bootstrap/51725
12932         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
12933         on mem_elt first.
12935 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
12937         * doc/invoke.texi (-flto and related options): Copy-edit.
12939 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12941         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
12943 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
12945         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
12946         New patterns.
12948 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12950         * expr.h (move_by_pieces_ninsns): Declare.
12951         * expr.c (move_by_pieces_ninsns): Make external.
12952         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
12953         (mips_store_by_pieces_p): Likewise.
12954         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
12955         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
12956         * config/mips/mips.c (mips_move_by_pieces_p): New function.
12957         (mips_store_by_pieces_p): Likewise.
12959 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
12961         * passes.c (register_one_dump_file): Free full_name.
12963         * reload1.c (reload): Don't allocate reg_max_ref_width here.
12964         (calculate_elim_costs_all_insns): Free offsets_at and
12965         offsets_known_at at the end and clear the pointers.
12967 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
12969         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
12970         this option introduced in r180739.
12972 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
12974         PR target/51345
12975         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
12976         (tmake_file target=avr): Add avr/t-multilib.
12978         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
12979         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
12980         * config/avr/genmultilib.awk: New file.
12981         * config/avr/t-multilib: New auto-generated file.
12982         * config/avr/multilib.h: New auto-generated file.
12983         * config/avr/t-avr (AVR_MCUS): New variable.
12984         (genopt.sh): Use it.
12985         (s-mlib): Depend on t-multilib.
12986         (t-multilib, multilib.h): New dependencies.
12987         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
12988         (MULTILIB_OPTIONS): Remove.
12989         (MULTILIB_MATCHES): Remove.
12990         (MULTILIB_DIRNAMES): Remove.
12991         (MULTILIB_EXCEPTIONS): Remove:
12992         * config/avr/genopt.sh: Don't use hard coded file name;
12993         pass AVR_MCUS from t-avr instead.
12995 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
12997         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
12999 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
13001         Implement light-weight DImode support.
13002         * config/avr/avr-dimode.md: New file.
13003         * config/avr/avr.md: Include it.
13004         (adjust_len): Add plus64, compare64.
13005         (HIDI): Remove code iterator.
13006         (code_stdname): New code attribute.
13007         (rotx, rotsmode): Remove DI.
13008         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
13009         as code iterator.
13010         * config/avr/avr-protos.h (avr_have_dimode): New.
13011         (avr_out_plus64, avr_out_compare64): New.
13012         * config/avr/avr.c (avr_out_compare): Handle DImode.
13013         (avr_have_dimode): New variable definition and initialization.
13014         (avr_out_compare64, avr_out_plus64): New functions.
13015         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
13016         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
13017         (avr_compare_pattern): Skip DImode comparisons.
13019 2012-01-02  Revital Eres  <revital.eres@linaro.org>
13021         * ddg.c (def_has_ccmode_p): New function.
13022         (add_cross_iteration_register_deps,
13023         create_ddg_dep_from_intra_loop_link): Call it.
13025 2012-01-02  Richard Guenther  <rguenther@suse.de>
13027         PR other/51679
13028         * invoke.texi (fassociative-math): Remove spurious paranthesis.
13030 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
13032         * gcc.c (process_command): Update copyright notice dates.
13033         * gcov.c (print_version): Likewise.
13034         * gcov-dump.c (print_version): Likewise.
13035         * mips-tfile.c (main): Likewise.
13036         * mips-tdump.c (main): Likewise.
13038 2012-01-01  Ira Rosen  <irar@il.ibm.com>
13040         PR tree-optimization/51704
13041         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
13042         a use is inside the basic block or loop before accessing its vect info.
13044 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
13046         PR rtl-optimization/51069
13047         * cfgloopmanip.c (remove_path): Removing path making irreducible
13048         region unconditional makes BB part of the region.
13050 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
13052         PR tree-optimization/51683
13053         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
13054         calls with side-effects.
13055         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
13057 Copyright (C) 2012 Free Software Foundation, Inc.
13059 Copying and distribution of this file, with or without modification,
13060 are permitted in any medium without royalty provided the copyright
13061 notice and this notice are preserved.