* mf-impl.h: Fix typo.
[official-gcc.git] / gcc / ChangeLog
blobe2ebe2f54ca05717ca3b57c2f23f8be1e64c2144
1 2012-05-29  Meador Inge  <meadori@codesourcery.com>
3         * c-decl.c (c_push_function_context): Always create a new language
4         function.
5         (c_pop_function_context): Clear the language function created in
6         c_push_function_context.
8 2012-05-29  Matt Turner  <mattst88@gmail.com>
10         * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
11         (define_bypass "ev6_fcmov"): New.
13 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
15         * integrate.c: Remove.
16         * integrate.h: Remove.
17         * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
18         * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
19         * config/rs6000/t-rs6000: Likewise
20         * config/spu/t-spu-elf: Likewise.
21         * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
22         get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
23         from integrate.h to here.
24         (initial_value_entry): New prototype.
25         * reload.h (allocate_initial_values): Remove prototype.
26         * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
27         * cse.c (fixed_base_plus_p): Don't handle virtual registers for
28         integrate.c.
29         * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
30         set_decl_abstract_flags, set_block_abstract_flags): Move from
31         integrate.c to here, the only user.
32         * expmed.c (extract_fixed_bit_field): Remove outdated comment
33         about integrate.c.
34         * function.c: Don't include integrate.h.
35         (struct initial_value_pair, struct initial_value_struct,
36         get_hard_reg_initial_val, has_hard_reg_initial_val,
37         get_hard_reg_initial_reg, emit_initial_value_sets): Move from
38         integrate.c to here.
39         (initial_value_entry): New function.
40         * genemit.c (main): Don't print integrate.h include line.
41         * ira.c: Don't include integrate.h.
42         (allocate_initial_values): Move from integrate.c to here.
43         (ira): Update allocate_initial_values call.
44         * tree-inline.c: Don't include integrate.h.
45         (function_attribute_inlinable_p): Moved from integrate.c to here.
46         * cfgexpand.c: Don't include integrate.h.
47         * except.c: Likewise.
48         * langhooks.c: Likewise.
49         * passes.c: Likewise.
50         * toplev.c: Likewise.
51         * config/frv/frv.c: Likewise.
52         * config/pa/pa.c: Likewise.
53         * config/spu/spu.c: Likewise.
54         * config/epiphany/epiphany.c: Likewise.
55         * config/mep/mep.c: Likewise.
56         * config/score/score.c: Likewise.
57         * config/picochip/picochip.c: Likewise.
58         * config/sh/sh.c: Likewise.
59         * config/alpha/alpha.c: Likewise.
60         * config/microblaze/microblaze.c: Likewise.
61         * config/mips/mips.c: Likewise.
62         * config/v850/v850.c: Likewise.
63         * config/mmix/mmix.c: Likewise.
64         * config/bfin/bfin.c: Likewise.
65         * config/arm/arm.c: Likewise.
66         * config/s390/s390.c: Likewise.
67         * config/m32r/m32r.c: Likewise.
68         * config/rs6000/rs6000.c: Likewise.
69         * config/c6x/c6x.c: Include function.h instead of integrate.h.
70         * config/tilegx/tilegx.c: Likewise.
71         * config/tilepro/tilepro.c: Likewise.
73 2012-05-29  Georg-Johann Lay  <avr@gjlay.de>
75         * config/avr/t-avr (s-avr-mmcu-texi): Call 
76         gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
77         
78 2012-05-29  Michael Matz  <matz@suse.de>
80         * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
81         assign_temp): Remove 'keep' argument.
82         (mark_temp_addr_taken): Remove prototype.
83         * tree.h (expand_decl): Remove prototype.
84         * function.c (struct temp_slot): Remove addr_taken and keep
85         member.
86         (assign_stack_temp_for_type) Don't initialize above, remove
87         keep argument.
88         (assign_stack_temp, assign_temp): Remove keep argument.
89         (mark_temp_addr_taken): Remove.
90         (preserve_temp_slots): Remove handling of addr_taken and keep
91         members.
92         (free_temp_slots): Ditto.
93         * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
94         dead code.
95         * stmt.c (expand_asm_operands): Remove dead code.
96         (expand_decl): Remove.
97         * c-decl.c (finish_struct): Don't call expand_decl.
98         * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
99         and assign_stack_temp.
100         * calls.c (save_fixed_argument_area, initialize_argument_information,
101         expand_call, emit_library_call_value_1, store_one_arg): Ditto.
102         * expmed.c (extract_bit_field_1): Ditto.
103         * expr.c (emit_group_load_1, emit_group_store,
104         copy_blkmode_from_reg, emit_push_insn, expand_assignment,
105         store_field, expand_constructor, expand_cond_expr_using_cmove,
106         expand_expr_real_2, expand_expr_real_1): Ditto.
107         * stmt.c (expand_asm_operands, expand_return): Ditto.
109         * function.c (pop_temp_slots): Call free_temp_slots.
110         * calls.c (store_one_arg): Don't call preserve_temp_slots or
111         free_temp_slots.
112         * expr.c (expand_assignment): Don't call free_temp_slots.
114         * config/arm/arm.c (neon_expand_vector_init): Ditto.
115         * config/i386/i386.c (ix86_expand_vector_set): Ditto.
116         (ix86_expand_vector_extract): Ditto.
117         * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
118         ia64_expand_movxf_movrf): Ditto.
119         * config/mips/mips.c (mips_expand_vi_general): Ditto.
120         * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
121         extendsfdf2): Ditto.
122         * config/rs6000/rs6000.c (rs6000_expand_vector_init,
123         rs6000_expand_vector_set, rs6000_expand_vector_extract,
124         rs6000_allocate_stack_temp): Ditto.
125         * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
126         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
127         sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
128         sparc_expand_vector_init): Ditto.
130 2012-05-29  Michael Matz  <matz@suse.de>
132         * c-tree.h (c_expand_decl): Remove prototype.
134         * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
135         a kept temp.
136         (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
137         * gimple-fold.c (canonicalize_constructor_val): Canonicalize 
138         COMPOUND_LITERAL_EXPR.
139         * function.c (expand_function_start): Don't call expand_decl,
140         instead assert that we have RTL assigned.
141         * tree-ssa-live.c (remove_unused_locals): Clear
142         nonlocal_goto_save_area if its backing variable is removed.
143         * stmt.c (expand_asm_operands): Remove handling of non-lvalues
144         as mem inputs.
145         (expand_decl): Assert that this does nothing.
146         * calls.c (expand_call): Don't call mark_temp_addr_taken.
148 2012-05-29  Richard Guenther  <rguenther@suse.de>
150         PR tree-optimization/53516
151         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
152         bitfield accesses.
153         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
155 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
157         * LANGUAGES: Fix typos.
158         * Makefile.in: Fix typos.
159         * alias.c: Fix typos.
160         * auto-inc-dec.c: Fix typos.
161         * bb-reorder.c: Fix typos.
162         * cfgcleanup.c: Fix typos.
163         * cgraph.c: Fix typos.
164         * cgraph.h: Fix typos.
165         * cgraphunit.c: Fix typos.
166         * collect2-aix.h: Fix typos.
167         * collect2.c: Fix typos.
168         * compare-elim.c: Fix typos.
169         * config/alpha/vms.h: Fix typos.
170         * config/arm/README-interworking: Fix typos.
171         * config/arm/arm.c: Fix typos.
172         * config/arm/iterators.md: Fix typos.
173         * config/arm/vxworks.h: Fix typos.
174         * config/avr/avr.c: Fix typos.
175         * config/avr/avr.h: Fix typos.
176         * config/avr/avr.md: Fix typos.
177         * config/avr/builtins.def: Fix typos.
178         * config/c6x/c6x.c: Fix typos.
179         * config/cr16/cr16.c: Fix typos.
180         * config/cr16/cr16.md: Fix typos.
181         * config/cris/cris.md: Fix typos.
182         * config/darwin.c: Fix typos.
183         * config/darwin.opt: Fix typos.
184         * config/i386/i386-c.c: Fix typos.
185         * config/i386/i386.c: Fix typos.
186         * config/ia64/ia64.c: Fix typos.
187         * config/m68k/cf.md: Fix typos.
188         * config/mep/mep.c: Fix typos.
189         * config/microblaze/microblaze.c: Fix typos.
190         * config/microblaze/microblaze.h: Fix typos.
191         * config/mn10300/mn10300.c: Fix typos.
192         * config/mn10300/mn10300.md: Fix typos.
193         * config/pa/pa.c: Fix typos.
194         * config/picochip/picochip.h: Fix typos.
195         * config/rs6000/a2.md: Fix typos.
196         * config/rs6000/rs6000.c: Fix typos.
197         * config/rs6000/vector.md: Fix typos.
198         * config/rx/rx.md: Fix typos.
199         * config/rx/rx.opt: Fix typos.
200         * config/s390/2097.md: Fix typos.
201         * config/s390/s390.c: Fix typos.
202         * config/s390/s390.h: Fix typos.
203         * config/sh/sh.c: Fix typos.
204         * config/sh/sh.md: Fix typos.
205         * config/sparc/sync.md: Fix typos.
206         * config/spu/spu.c: Fix typos.
207         * config/spu/spu.md: Fix typos.
208         * config/vms/vms.c: Fix typos.
209         * config/vxworks-dummy.h: Fix typos.
210         * config/vxworks.h: Fix typos.
211         * cselib.c: Fix typos.
212         * df-scan.c: Fix typos.
213         * df.h: Fix typos.
214         * doc/extend.texi: Fix typos.
215         * doc/install.texi: Fix typos.
216         * doc/invoke.texi: Fix typos.
217         * doc/md.texi: Fix typos.
218         * doc/plugins.texi: Fix typos.
219         * doc/rtl.texi: Fix typos.
220         * dse.c: Fix typos.
221         * dwarf2asm.c: Fix typos.
222         * dwarf2out.c: Fix typos.
223         * except.h: Fix typos.
224         * expr.c: Fix typos.
225         * fold-const.c: Fix typos.
226         * gcc.c: Fix typos.
227         * gcse.c: Fix typos.
228         * genautomata.c: Fix typos.
229         * gengtype-state.c: Fix typos.
230         * gengtype.c: Fix typos.
231         * genhooks.c: Fix typos.
232         * gimple-fold.c: Fix typos.
233         * gimple-pretty-print.c: Fix typos.
234         * gimple.c: Fix typos.
235         * gimple.h: Fix typos.
236         * gimplify.c: Fix typos.
237         * graphite-interchange.c: Fix typos.
238         * graphite-sese-to-poly.c: Fix typos.
239         * ifcvt.c: Fix typos.
240         * input.c: Fix typos.
241         * ipa-cp.c: Fix typos.
242         * ipa-inline-analysis.c: Fix typos.
243         * ipa-inline-transform.c: Fix typos.
244         * ipa-inline.c: Fix typos.
245         * ipa-pure-const.c: Fix typos.
246         * ipa-ref.h: Fix typos.
247         * ipa-reference.c: Fix typos.
248         * ipa-utils.c: Fix typos.
249         * ipa.c: Fix typos.
250         * ira-emit.c: Fix typos.
251         * ira-lives.c: Fix typos.
252         * lto-streamer.c: Fix typos.
253         * lto-streamer.h: Fix typos.
254         * lto-wrapper.c: Fix typos.
255         * mcf.c: Fix typos.
256         * mode-switching.c: Fix typos.
257         * modulo-sched.c: Fix typos.
258         * plugin.c: Fix typos.
259         * postreload.c: Fix typos.
260         * sched-deps.c: Fix typos.
261         * sel-sched-ir.c: Fix typos.
262         * sel-sched-ir.h: Fix typos.
263         * sel-sched.c: Fix typos.
264         * sese.c: Fix typos.
265         * stor-layout.c: Fix typos.
266         * target-hooks-macros.h: Fix typos.
267         * target.def: Fix typos.
268         * trans-mem.c: Fix typos.
269         * tree-eh.c: Fix typos.
270         * tree-predcom.c: Fix typos.
271         * tree-sra.c: Fix typos.
272         * tree-ssa-address.c: Fix typos.
273         * tree-ssa-loop-ivopts.c: Fix typos.
274         * tree-ssa-loop-niter.c: Fix typos.
275         * tree-ssa-math-opts.c: Fix typos.
276         * tree-ssa-pre.c: Fix typos.
277         * tree-ssa-propagate.c: Fix typos.
278         * tree-ssa-reassoc.c: Fix typos.
279         * tree-ssa-sccvn.c: Fix typos.
280         * tree-ssa-ter.c: Fix typos.
281         * tree-ssa-uninit.c: Fix typos.
282         * tree-ssanames.c: Fix typos.
283         * tree-vect-generic.c: Fix typos.
284         * tree-vect-slp.c: Fix typos.
285         * tree.c: Fix typos.
286         * tree.h: Fix typos.
287         * varasm.c: Fix typos.
288         * varpool.c: Fix typos.
290 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
292         * doc/include/texinfo.tex: Update to version 2012-05-16.16.
294 2012-05-29  Richard Guenther  <rguenther@suse.de>
296         * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
297         for globals.
298         (add_referenced_var_1): Re-organize.  Assert we are not
299         called for globals.
300         (remove_referenced_var): Likewise.
301         * varpool.c (add_new_static_var): Use create_tmp_var_raw.
302         * tree-mudflap.c (execute_mudflap_function_ops): Do not
303         call add_referenced_var on globals.
304         * matrix-reorg.c (transform_access_sites): Likewise.
306 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
308         * alias.c (reg_known_value): Make this a VEC.
309         (reg_known_equiv_p): Make this an sbitmap.
310         (reg_known_value_size): Remove.
311         (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
312         set_reg_known_equiv_p): Update for reg_known_value and
313         reg_known_value_size data structure change.
314         (init_alias_analysis, end_alias_analysis): Likewise.
316 2012-05-29  Jakub Jelinek  <jakub@redhat.com>
318         PR middle-end/53510
319         * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
320         to avoid leaking memory.  No need to handle memory allocation
321         failure.  Double string_len on each reallocation instead of
322         adding 2.
323         * gcov.c (read_line): Likewise.
325 2012-05-29  Hans-Peter Nilsson  <hp@axis.com>
327         * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
328         New macros.
329         * config/cris/cris.md ("trap"): Define, enabled for
330         TARGET_TRAP_USING_BREAK8.
331         * config/cris/cris.opt (mtrap-using-break8): New option.
333 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
335         PR c++/25137
336         * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
337         for C++.
339 2012-05-28  Hans-Peter Nilsson  <hp@axis.com>
341         * doc/md.texi (stack_protect_test): Remove negation of branch to
342         label.
343         (Standard Names): Fix typos in documentation of atomic patterns.
345 2012-05-27  Nathan Sidwell  <nathan@acm.org>
347         * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
349 2012-05-26  Jason Merrill  <jason@redhat.com>
351         PR c++/53220
352         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
353         about array compound literals.
355 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
357         * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
358         if CLEANUP_NO_INSN_DEL.
359         * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
360         from cfg_layout_merge_blocks.
361         (emit_nop_for_unique_locus_between): New function.
362         (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
363         (cfg_layout_merge_blocks): Likewise.
365 2012-05-26  Dimitrios Apostolou  <jimis@gmx.net>
366             Paolo Bonzini  <bonzini@gnu.org>
368         * df-scan.c (df_def_record_1): Assert a parallel must contain an
369         EXPR_LIST at this point.  Receive the LOC and move its extraction...
370         (df_defs_record): ... here. Change if-else to a switch statement.
371         (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
372         (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
373         and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
374         DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
375         regs_invalidated_by_call.
376         (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
377         df_get_call_refs().
379 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
381         PR lto/52178
382         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
383         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
385 2012-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
387         * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
388         software floating point emulation.  No longer build the multilibs
389         with -mstrict-align.
391 2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
393         PR middle-end/53008
394         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
395         accessed indirectly.
396         (ipa_tm_create_version): Same.
398 2012-05-25  Uros Bizjak  <ubizjak@gmail.com>
400         PR target/53474
401         * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
402         <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
404 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
406         PR target/53435
407         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
408         (ix86_expand_vec_perm): Use int mode instead of float.
409         (expand_vec_perm_pshufb): Remove handling of useseless type
410         conversion.
412 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
414         PR ada/52362
415         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
416         gnu_ld variables to yes.
417         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
418         (HAVE_GNU_AS): Likewise.
419         * config.in: Regenerate.
420         * configure: Likewise.
422 2012-05-25  Tristan Gingold  <gingold@adacore.com>
424         * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
425         (ix86_compute_frame_layout): Fix type of stack_alignment_needed
426         and preferred_alignment.
428 2012-05-25  Tristan Gingold  <gingold@adacore.com>
430         * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
432 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
434         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
435         volatile bitfields case.
437 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
439         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
440         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
441         (adjacent_mem_locations): Move some code to and call...
442         (get_memref_parts): ...new function.
443         (mem_locations_overlap): New function.
444         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
445         (is_mem_ref): Rename to...
446         (find_mem_ref): ...this. Return MEM rtx.
447         (get_store_dest): Remove function.
448         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
449         new parameter and adjust calls.
450         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
451         mem refs overlap for true_store_to_load_dep_costly.
452         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
453         passed to adjacent_mem_locations.
454         (is_costly_group): Walk resolved dependency list.
455         (force_new_group): Emit group ending nop for Power6/Power7.
456         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
457         (group_ending_nop): New define_insn.
459 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
461         Make unwound macro expansion trace less redundant
462         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
463         context of macro definition in the trace, when it's redundant.
464         Update comments.
466 2012-05-24  Richard Guenther  <rguenther@suse.de>
468         PR middle-end/53460
469         * tree-profile.c (tree_profiling): Cleanup the CFG if
470         execute_fixup_cfg requests it.
472 2012-05-24  Richard Guenther  <rguenther@suse.de>
474         * tree-flow.h (create_var_ann): Remove.
475         * tree-dfa.c (create_var_ann): Remove and inline into its
476         single caller ...
477         (add_referenced_var_1): ... here.
478         * varpool.c (add_new_static_var): Do not call add_referenced_var
479         for global vars.
480         * gimple-fold.c (canonicalize_constructor_val): Likewise.
481         * tree-switch-conversion.c (build_one_array): Likewise.
482         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
483         * tree-flow-inline.h (gimple_referenced_vars): Guard against
484         NULL fn argument.
485         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
486         gimple_referenced_vars instead of gimple_in_ssa_p.
487         (copy_tree_body_r): Likewise.
488         (setup_one_parameter): Likewise.
489         (declare_return_variable): Likewise.
490         (tree_function_versioning): Likewise.
492 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
494         PR tree-optimization/53465
495         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
496         vr0 into *vr, then vrp_meet that.
497         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
498         have any equivalences.
499         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
500         first time.
502 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
504         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
505         hard registers.
506         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
507         check end_regno - 1 is a hard register.
509 2012-05-24  Richard Guenther  <rguenther@suse.de>
511         * varpool.c (add_new_static_var): Remove call to create_var_ann.
512         * tree-ssa-operands.c (create_vop_var): Likewise.
514 2012-05-24  Richard Guenther  <rguenther@suse.de>
516         PR bootstrap/53466
517         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
518         handle globals.
519         (remove_unused_locals): Pass global_unused_vars to
520         remove_unused_scope_block_p.  Restore code walking all
521         referenced vars and pruning them.
523 2012-05-23  Jan Hubicka  <jh@suse.cz>
525         * tree.h (alias_diag_flags): Remove.
526         (alias_pair): Remove emitted_diags.
527         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
528         symbol_alias_set_t, symbol_alias_set_destroy,
529         symbol_alias_set_contains, propagate_aliases_backward): Remove.
530         * toplev.c (compile_file): Do not call finish_aliases_2
531         * cgraphunit.c (cgraph_process_new_functions): Do not call
532         finish_aliases_1.
533         (handle_alias_pairs): Output diagnostics about aliases to externals.
534         (assemble_thunks_and_aliases): Use do_assemble_alias.
535         (output_weakrefs): Likewise.
536         (finalize_compilation_unit): Do not call finish_aliases_1.
537         * ipa.c (symtab_remove_unreachable_nodes): De not call
538         remove_unreachable_alias_pairs.
539         * varasm.c (do_assemble_alias): Export.
540         (symbol_alias_set_create, symbol_alias_set_destroy,
541         symbol_alias_set_contains, symbol_alias_set_insert,
542         propagate_aliases_forward, propagate_aliases_backward,
543         propagate_aliases_backward, trivially_visible_alias,
544         trivially_defined_alias, remove_unreachable_alias_pairs,
545         finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
546         * output.h (do_assemble_alias): Declare.
547         * varpool.c (varpool_remove_unreferenced_decls): Do not call
548         finish_aliases_1.
550 2012-05-23  Martin Jambor  <mjambor@suse.cz>
552         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
554 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
556         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
557         size handling.
558         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
559         (iterative_hash_gimple_type): Adjust comment.
560         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
561         domain for an array type instead of the domain type itself.
563 2012-05-23  Richard Guenther  <rguenther@suse.de>
565         PR tree-optimization/53438
566         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
568 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
570         PR target/53448
571         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
572         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
573         ASM_OUTPUT_ALIGN.
575 2012-05-23  Richard Guenther  <rguenther@suse.de>
577         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
578         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
579         via the global_unused_vars bitmap.
580         (remove_unused_locals): Handle global vars in local-decls via
581         a global_unused_vars bitmap instead of the used flag in the
582         var annotation.  Simplify global variable handling and removal.
584 2012-05-22  Jan Hubicka  <jh@suse.cz>
586         PR middle-end/53426
587         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
588         from other partitions.
590 2012-05-22  Jan Hubicka  <jh@suse.cz>
592         PR middle-end/53161
593         * symtab.c (symtab_register_node): Fix ordering issue.
595 2012-05-22  Steven Drake <sbd@NetBSD.org>
597         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
599 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
601         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
602         Use strip_name_encoding target hook.
604 2012-05-22  Richard Guenther  <rguenther@suse.de>
606         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
607         (init_function_for_compilation): Remove.
608         * tree-dfa.c (find_vars_r): Take struct function argument.
609         (find_referenced_vars_in): Adjust.
610         * tree-ssa-operands.c (clobber_stats): Remove.
611         (create_vop_var): Take struct function argument.  Mark
612         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
613         (init_ssa_operands): Take struct function argument.
614         (fini_ssa_operands): Do not dump dead stats.
615         * tree-ssa-operands.h (init_ssa_operands): Take struct function
616         argument.
617         * cgraphunit.c (init_lowered_empty_function): Adjust.
618         * lto-streamer-in.c (input_cfg): Likewise.
619         * tree-inline.c (initialize_cfun): Likewise.
620         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
621         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching cfun.
622         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
623         virtual operands are not registers.
625 2012-05-22  Richard Guenther  <rguenther@suse.de>
627         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
629 2012-05-22  Richard Guenther  <rguenther@suse.de>
631         PR middle-end/53437
632         * tree-inline.c (setup_one_parameter): Create a dummy init
633         statement for unused parameters when not optimizing.
635 2012-05-22  Richard Guenther  <rguenther@suse.de>
637         * tree-flow.h (add_referenced_var_1): Declare.
638         (add_referenced_var): Define.
639         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
640         (add_referenced_var): Rename to ...
641         (add_referenced_var_1): ... this.  Take struct function argument.
643 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
645         PR target/53334
646         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
647         * config/arm/arm.c (arm_validize_comparison): Define.
648         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
649         arm_validize_comparison.
650         ("cbranchdi4"): Likewise.
651         ("cstoredi4"): Likewise.
652         ("movsicc"): Likewise.
653         ("movsfcc"): Likewise.
654         ("movdfcc"): Likewise.
656 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
658         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
659         the mw_reg_pool size.
661 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
663         PR tree-optimization/53336
664         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
665         non-integer integral types to offset type and vice versa.
667 2012-05-22  Alan Modra  <amodra@gmail.com>
669         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
670         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
671         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
672         V_SAVE_INLINE): Delete.
673         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
674         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
675         For ELF targets, use out-of-line restores for -Os and any number
676         of regs if the restore exits, and out-of-line gp save for two or
677         more regs.  Use save_reg_p to test for holes in reg restore set.
678         Replace "#if" with "if".
680 2012-05-22  Alan Modra  <amodra@gmail.com>
682         * config/rs6000/rs6000.c (save_reg_p): New function.
683         (first_reg_to_save, first_fp_reg_to_save): Use it here.
684         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
685         (emit_frame_save): Use gen_frame_store.
686         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
687         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
688         vrsave and toc.
689         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
690         vrsave, toc, gp and fp restores.
692 2012-05-22  Alan Modra  <amodra@gmail.com>
694         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
695         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
696         Move function pointer variables after forward declarations.
697         (rs6000_builtin_support_vector_misalignment): Make static.
698         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
699         (rs6000_function_value, rs6000_can_eliminate): Likewise.
701 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
703         PR rtl-optimization/53373
704         * caller-save.c (save_call_clobbered_regs): Look into a possible
705         PARALLEL manually rather than using single_set on a call insn.
707 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
709         PR tree-optimization/53436
710         * omp-low.c (omp_build_component_ref): New function.
711         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
713 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
715         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
716         arguments to bool.
717         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
718         Do not print '.' here.  Output operand lossage error for unhandled
719         sizes.  Move.
720         <case '*'>: Move.
721         <case '&'>: Ditto.
722         <case 'Y'>: Ditto.
723         <case 'z'>: Hardcode "code" argument into error strings.
724         <case 'Z'>: Ditto.
725         <case 'D'>: Merge AVX and non-AVX codes.
726         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
727         Update call to put_condition_code.
729 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
731         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
732         CC_STATUS_INIT.
733         (clzsi2): New expander.
734         (*clzsi2_68k): New insn.
735         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
737 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
739         * gimple.h (gimple_set_in_transaction): Remove.
740         (gimple_in_transaction): Look in BB instead.
741         (gimple_statement_base): Remove in_transaction field.
742         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
743         * trans-mem.c (compute_transaction_bits): Place transaction bit
744         information into basic blocks.
746 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
748         * expr.c (get_def_for_expr_class): Define only if
749         HAVE_conditional_move.
750         (convert_tree_comp_to_rtx): Likewise.
752 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
754         PR target/53399
755         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
756         for TARGET_BMI.
757         (ffssi2_no_cmove): Ditto.
758         (*ffs<mode>_1): Remove insn pattern.
759         (*tzcnt<mode>_1): New insn pattern.
760         (*bsf<mode>1): Ditto.
762 2012-05-21  Richard Guenther  <rguenther@suse.de>
764         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
765         more referenced vars.
766         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
767         flag on variables that have a var-annotation.
769 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
771         PR c/53418
772         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
773         from folded operands before wrapping another around the
774         conditional expression.
776 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
778         PR tree-optimization/53366
779         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
780         tests if complex_numbers == 2, but there are non-complex number loads
781         too.
783         PR tree-optimization/53409
784         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
785         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
787         PR tree-optimization/53410
788         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
789         instead of build_int_cst (type, 0) where vector types might be
790         involved. Instead of build_int_cst (type, 1) convert the original
791         integer_onep argument to the desired type.
793 2012-05-21  Michael Matz  <matz@suse.de>
795         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
796         (simplify_test_exp): Handle one more case of distributive law,
797         decrease cost threshold.
798         (tests_attr_p, get_attr_order): New functions.
799         (optimize_attrs): Use topological order, inline only cheap values.
800         (write_attr_set): Reset our_known_true after some time.
802 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
804         PR target/53425
805         * config/i386/i386.c (type_natural_mode): Warn passing SSE
806         vector argument without SSE enabled changes the ABI.
808 2012-05-21  Richard Guenther  <rguenther@suse.de>
810         PR tree-optimization/53408
811         * tree-vect-loop.c (vectorizable_induction): Properly check
812         the restriction that we cannot handle induction results from
813         the inner loop outside of the outer loop.
815 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
817         PR target/53416
818         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
819         (UNSPECV_RDRAND): This.
820         (rdrand<mode>_1): Updated.
822 2012-05-21  Richard Guenther  <rguenther@suse.de>
824         * tree-loop-distribution.c (can_generate_builtin): Reject
825         volatile stmts.
827 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
829         * Makefile.in (options.c): Add options.h to included header
830         files, before tm.h.
832 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
834         * tree-parloops.c : Add myself to contributors, update
835         TODO list, add link to wiki.
837 2012-05-21  Alan Modra  <amodra@gmail.com>
839         * config/rs6000/predicates.md (input_operand): Don't match
840         constant pool addresses.  Remove label_ref, high and plus from
841         match_code list.  Remove redundant CONSTANT_P test.
842         (splat_input_operand): Similarly update match_code list.
843         (small_toc_ref): New predicate.
844         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
845         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
846         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
847         register checks to..
848         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
849         generated by create_TOC_reference.
850         (rs6000_legitimize_address): Update cerate_TOC_reference call.
851         (rs6000_delegitimize_address): Handle new rtl for toc refs.
852         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
853         (use_toc_relative_ref): New function, split out from..
854         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
855         create_TOC_reference calls.
856         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
857         of medium/large model toc addresses.  Use use_toc_relative_ref.
858         (print_operand): Formatting, style.  Adjust for toc changes.
859         (print_operand_address): Likewise.
860         (rs6000_output_addr_const_extra): Likewise.
861         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
862         than a PLUS.  Use this formulation for both high and low part
863         of -mcmodel=medium/large toc reference too.  Before reload,
864         always use the small model formulation.
865         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
866         a PLUS in high part of addresses here.
867         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
868         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
869         (largetoc_high, largetoc_low): Move earlier.  Cope when no
870         base reg available.
871         (largetoc_high_plus): New insn.
872         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
873         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
874         (tocref): ..instead do so here, new insn and split.
876 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
878         * config/i386/driver-i386.c (host_detect_local_cpu): Support
879         RDRND, F16C and FSGSBASE.
881 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
883         PR rtl-optimzation/53373
884         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
885         call pattern.  Update split patterns.
886         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
887         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
889 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
891         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
892         for outer loops.
894 2012-05-18  Jan Hubicka  <jh@suse.cz>
896         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
897         (cgraph_process_new_functions): Process also aliases.
898         * lto-streamer-out.c (struct sets): Remove.
899         (trivally_defined_alias): Remove.
900         (output_alias_pair_p): Remove.
901         (output_unreferenced_globals): Remove.
902         (produce_symtab); Do not handle alias pairs.
903         (produce_asm_for_decls): Likewise.
904         * lto-streamer-in.c (input_alias_pairs): Remove.
905         (lto_read_body): Do not input alias pairs.
906         (lto_input_constructors_and_inits): Remove.
908 2012-05-18  Jan Hubicka  <jh@suse.cz>
910         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
911         aliases.
913 2012-05-18  Jan Hubicka  <jh@suse.cz>
915         * cgraphbuild.c (record_reference): Update.
916         * lto-cgraph.c (lto_output_varpool_node): External vars
917         are not in other partition even if they are not output
918         in current partition.
919         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
920         argument; fix.
921         (canonicalize_constructor_val): Take FROM_DECL argument.
922         (fold_ctor_reference, fold_string_cst_ctor_reference,
923         fold_array_ctor_reference, fold_nonarray_ctor_reference,
924         fold_ctor_reference): Likewise.
925         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
926         * gimple.h (gimple_fold_builtin): Likewise.
928 2012-05-18  Olivier Hainque  <hainque@adacore.com>
930         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
931         $(libsubdir) as libexecsubdir.
933 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
935         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
936         relied on signed overflow behavior.
938 2012-05-18  Richard Guenther  <rguenther@suse.de>
940         PR tree-optimization/53346
941         * tree-loop-distribution.c (ldist_gen): Make sure to apply
942         builtin transform even when only a single partition with
943         all reads/writes exists.
945 2012-05-18  Richard Guenther  <rguenther@suse.de>
947         PR tree-optimization/53390
948         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
949         strided loads.
951 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
953         * tree-ssa-reassoc.c (bip_map): Remove decl.
954         (completely_remove_stmt): Remove function.
955         (remove_def_if_absorbed_call): Remove function.
956         (remove_visited_stmt_chain): Remove __builtin_powi handling.
957         (possibly_move_powi): Remove function.
958         (rewrite_expr_tree): Remove calls to possibly_move_powi.
959         (rewrite_expr_tree_parallel): Likewise.
960         (attempt_builtin_powi): Build multiplies explicitly rather than
961         relying on the ops vector and rank system.
962         (transform_stmt_to_copy): New function.
963         (transform_stmt_to_multiply): Likewise.
964         (reassociate_bb): Handle leftover operations after __builtin_powi
965         optimization; build a final multiply if necessary.
967 2012-05-18  Jan Hubicka  <jh@suse.cz>
969         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
970         (mark_functions_to_output): Fix sanity check.
971         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
973 2012-05-18  Richard Guenther  <rguenther@suse.de>
975         * tree-flow.h (mark_symbols_for_renaming): Remove.
976         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
977         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
978         (copy_debug_stmt): Likewise.
979         (expand_call_inline): Likewise.
980         (declare_return_variable): Mark the return variable for renaming
981         if necessary.
983 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
985         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
986         prototype.
987         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
988         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
989         (ashrdi3,lshrdi3): Likewise.
990         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
992 2012-05-18  Meador Inge  <meadori@codesourcery.com>
994         PR rtl-optimization/53352
995         * cse.c (equiv_constant): Ignore paradoxical subregs.
997 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
999         PR rtl-optimization/53125
1000         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
1001         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
1002         die in the basic block.  Correctly top off REG_FREQ and
1003         REG_FREQ_CALLS_CROSSED.
1004         Remove do_not_gen.
1005         (regstat_compute_ri): Allocate and free local_live_last_luid.
1006         Remove do_not_gen.
1007         (regstat_bb_compute_calls_crossed): Correctly top off
1008         REG_FREQ_CALLS_CROSSED.
1010 2012-05-17  Jan Hubicka  <jh@suse.cz>
1012         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
1013         constructor over decl without.
1014         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
1015         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
1016         * cgraphunit.c (process_function_and_variable_attributes): Finalize
1017         extrnal decls.
1018         (mark_functions_to_output): Also accept bodies for functions with
1019         clones.
1020         (output_in_order): Skip external vars.
1021         * lto-cgraph.c (lto_output_node): External functions are never in other
1022         partition.
1023         (lto_output_varpool_node): Likewise.
1024         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
1025         forgotten initializers.
1026         * ipa.c (process_references): Handle external vars.
1027         (symtab_remove_unreachable_nodes): Update to handle external vars.
1028         (varpool_externally_visible_p): External vars are externally visible.
1029         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
1030         * varpool.c (varpool_remove_node): Remove constructor.
1031         (decide_is_variable_needed): Handle externals.
1032         (varpool_remove_unreferenced_decls): Likewise.
1034 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1036         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
1037         (enable_warning_as_error): Do not special case Wuninitialized.
1038         * optc-gen.awk: Add sanity checks.
1040 2012-05-17  Jan Hubicka   <jh@suse.cz>
1042         * ipa-reference.c (is_proper_for_analysis): Do not check flags
1043         that might change as result of global optimization.
1044         (analyze_function): Do not check analyzed and externally_visible
1045         flags; be happy about address dereferences.
1046         (propagate): Prune all_module_statics so it really contains just
1047         statics; prune all the local summaries.
1048         (ipa_reference_write_optimization_summary): Simplify.
1050 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
1052         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
1053         * config/m68k/m68k-tables.opt: Regenerated.
1054         * doc/invoke.texi (M680x0 Options): Document.
1056 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
1057             Patrick Marlier  <patrick.marlier@gmail.com>
1059         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1060         indirect calls.
1062 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
1064         * configure: Regenerated.
1066 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1068         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1069         GIMPLE_ASSIGN.
1071 2012-05-16  David S. Miller  <davem@davemloft.net>
1073         * jump.c (delete_related_insns): If we remove a CALL, make sure
1074         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1076 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1078         PR tree-optimization/53217
1079         * tree-ssa-reassoc.c (bip_map): New static variable.
1080         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
1081         (attempt_builtin_powi): Save feeding multiplies on a stack.
1082         (reassociate_bb): Create and destroy bip_map.
1084 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1086         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1087         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1088         Add comments and improve stamp preservation across the whole sequence.
1089         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1091 2012-05-16  Richard Guenther  <rguenther@suse.de>
1093         * tree-inline.c (insert_init_stmt): Do not call
1094         mark_symbols_for_renaming.
1095         (setup_one_parameter): Avoid initializing unused parameters.
1096         (declare_return_variable): Properly handle DECL_BY_REFERENCE
1097         return vars in SSA form.
1099 2012-05-16  Richard Guenther  <rguenther@suse.de>
1101         * tree-flow.h (get_virtual_var): Remove.
1102         * tree-dfa.c (get_virtual_var): Likewise.
1104 2012-05-16  Richard Guenther  <rguenther@suse.de>
1106         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
1107         Remove set-only bitmap of new names.
1108         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
1109         CFG hooks.
1110         * tree-flow.h (ssa_names_to_replace): Remove.
1111         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
1113 2012-05-16  Richard Guenther  <rguenther@suse.de>
1115         PR tree-optimization/53364
1116         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1117         detect a view-conversion of the decl.
1119 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
1121         PR preprocessor/7263
1122         * c-tree.h (enum c_declspec_word): Declare new enum.
1123         (struct c_declspecs::locations): New member.
1124         (declspecs_add_qual, declspecs_add_scspec)
1125         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
1126         location parameter.
1127         * c-decl.c (build_null_declspecs): Initialize the new struct
1128         c_declspecs::locations member.
1129         (declspecs_add_addrspace): Take a location parameter for the
1130         address space.  Store it onto declaration specifiers.
1131         (declspecs_add_qual): Likewise, take a location parameter for the
1132         qualifier.
1133         (declspecs_add_type): Likewise, take a location parameter for the
1134         type specifier.
1135         (declspecs_add_scspec): Likewise, take a location parameter for
1136         the storage class specifier.
1137         (declspecs_add_attrs): Likewise, take a location parameter for the
1138         first attribute.
1139         (declspecs_add_alignas): Likewise, take a location parameter for
1140         the alignas token.
1141         (finish_declspecs): For diagnostics, use the location of the
1142         relevant declspec, instead of the global input_location.
1143         * c-parser.c (c_parser_parameter_declaration): Pass the precise
1144         virtual location of the declspec to the declspecs-setters.
1145         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
1146         repeatedly.
1148 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
1150         * configure.ac: Stack protector enabling for Android targets.
1151         * configure: Regenerate.
1153 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
1155         * ira.c (pseudo_move_insn): Delete.
1156         (find_moveable_pseudos): Don't set it.
1157         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
1158         the definitions of the original pseudo.  Delete all of them.
1160 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1162         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1163         PROCESSOR_PPC8548.
1164         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
1165         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
1166         * config/rs6000/8540.md: indicate that the units/patterns apply to
1167         ppc8548 as well.
1169         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
1170         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
1171         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
1172         related flags,  check that what is queried is supported by the selected
1173         configuration. Rework the single/double_float and MASK_STRING resets to
1174         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
1175         costs for PROCESSOR_PPC8548 as well.
1176         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
1177         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
1178         statement instead of a sequence of ifs.
1180         * config/rs6000/rs6000.h (TARGET_E500): Remove.
1181         (TARGET_NO_LWSYNC): Adjust accordingly.
1182         * config/rs6000/e500.h (TARGET_E500): Remove.
1183         (CHECK_E500_OPTIONS): Adjust accordingly.
1184         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
1185         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
1186         * config/rs6000/linuxspe.h: Likewise.
1187         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
1188         superfluous comments.
1189         * config/rs6000/e500-double.h: Remove.
1191         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
1192         default to with_cpu=8548 if --enable-e500-double, and to 8540
1193         otherwise.
1194         (set misc flags section): For powerpc*|rs6000*, remove inclusion
1195         of e500-double.h for --enable-e500-double.
1197 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1199         * Makefile.in (s-header-vars): Resort to -n instead of trailing
1200         -e d in sed invocation.
1202 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
1204         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
1205         source-code.
1206         * doc/tm.texi: Regenerate.
1208 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
1210         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
1212 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1214         PR target/53358
1215         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1216         that operands[2] is either immediate, or q_regs_operand.
1218 2012-05-15  Richard Guenther  <rguenther@suse.de>
1220         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
1221         (assemble_thunk): Likewise.  Manually rename and register
1222         function arguments.
1224 2012-05-15  Richard Guenther  <rguenther@suse.de>
1226         PR tree-optimization/53355
1227         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
1228         by constants.
1230 2012-05-15  Tristan Gingold  <gingold@adacore.com>
1232         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
1234 2012-05-15  Richard Guenther  <rguenther@suse.de>
1236         * gimple.c (gimple_set_modified): Move ...
1237         * gimple.h (gimple_set_modified): ... here.
1239 2012-05-15  Tristan Gingold  <gingold@adacore.com>
1241         * ira-color.c (move_spill_restore): Add a guard.
1243 2012-05-15  Tristan Gingold  <gingold@adacore.com>
1245         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
1246         plus_constant.
1248 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1250         * gimplify.c (gimplify_init_constructor): Do a block move for very
1251         small objects as well.
1253 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
1255         * ira.c (find_moveable_pseudos): Skip registers whose
1256         DF_REG_EQ_USE_COUNT is nonzero.
1258 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
1260         * doc/md.texi (fma): Define to only be applicable for single rounding.
1262 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1264         PR target/46098
1265         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1266         generate target register for "load" class builtins.
1268         Revert:
1269         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1271         PR target/46098
1272         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1273         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1274         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1275         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1276         (<sse>_movu<ssemodesuffix>): New expander.
1277         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1278         (avx_movdqu<avxmodesuffix>): New expander.
1279         (*sse2_movdqu): Rename from sse2_movdqu.
1280         (sse2_movdqu): New expander.
1282 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
1284         PR target/52607
1285         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
1286         (canonicalize_perm): ... new function.
1287         (expand_vec_perm_2vperm2f128_vshuf): New function.
1288         (ix86_expand_vec_perm_const_1): Call it.
1290 2012-05-14  Andrew Pinski  <apinski@cavium.com>
1291             H.J. Lu  <hongjiu.lu@intel.com>
1292             Jakub Jelinek  <jakub@redhat.com>
1294         PR target/53315
1295         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
1296         (xbegin): Updated.
1298 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1300         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1301         lineno 1 the same as lineno 0 before first start file directive.
1302         (optimize_macinfo_range): Likewise.
1304         * dwarf2out.c (have_macinfo): Define.
1305         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1306         attribute, don't force empty compilation unit and don't emit any
1307         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1309 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
1311         PR target/53344
1312         * config/avr/avr.c (avr_const_address_lo16): Remove.
1313         (avr_assemble_integer):  Print ".byte lo8(x)",
1314         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
1315         .warning if 3-byte address is assembled.
1316         * doc/extend.texi (AVR Named Address Spaces): Document that
1317         binutils 2.23 is needed to assemble 3-byte addresses.
1319 2012-05-14  Richard Guenther  <rguenther@suse.de>
1321         * tree-vect-data-refs.c (vect_setup_realignment): Remove
1322         call to mark_symbols_for_renaming.
1323         (vect_permute_load_chain): Likewise.
1324         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
1325         instead of calling mark_symbols_for_renaming.
1326         * tree-vect-stmts.c (read_vector_array): Remove call to
1327         mark_symbols_for_renaming.
1328         (write_vector_array): Likewise.
1329         (vectorizable_call): Likewise.
1330         (vectorizable_store): Likewise.
1331         (vectorizable_load): Likewise.
1332         * matrix-reorg.c (transform_allocation_sites): Likewise.
1333         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1334         (create_expression_by_pieces): Likewise.
1336 2012-05-14  Richard Guenther  <rguenther@suse.de>
1338         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
1339         of statements for renaming.
1340         (force_gimple_operand_1): Likewise, consistently for both
1341         calls to force_gimple_operand and force_gimple_operand_gsi.
1343 2012-05-14  Richard Guenther  <rguenther@suse.de>
1345         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
1346         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
1347         to update_ssa.
1348         (expand_omp_for): Likewise.
1349         (expand_omp_for_generic): Adjust conditional add to referenced vars.
1350         Use make_rename_temp for temporaries that should be rewritten into
1351         SSA form.
1352         (expand_omp_for_static_nochunk): Likewise.
1353         (expand_omp_atomic_pipeline): Likewise.
1355 2012-05-14  Richard Guenther  <rguenther@suse.de>
1357         PR tree-optimization/53331
1358         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
1359         strided loads.
1360         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
1362 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1364         PR 53063
1365         * doc/options.texi: (LangEnabledBy): Document it.
1366         * optc-gen.awk: Handle LangEnabledBy.
1367         * opth-gen.awk: Generate declaration for lang-specific functions.
1368         * opt-read.awk: Record lang numbers.
1369         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
1370         (lang_sanitized_name): New.
1372 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
1374         * attribs.c (decl_attributes): Avoid emitting a warning if
1375         ATTR_FLAG_BUILT_IN.
1376         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
1377         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
1378         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
1379         define a string "1".
1380         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
1381         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
1382         BUILT_IN_STRCPY): Use it for these functions.
1383         * postreload.c (reload_combine): Deal with SETs inside
1384         CALL_INSN_FUNCTION_USAGE.
1385         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
1386         Look for REG_RETURNED notes and use a cheap restore if possible.
1387         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
1388         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
1389         * ira-build.c (ira_create_allocno, create_cap_allocno,
1390         propagate_allocno_info, propagate_some_info_from_allocno,
1391         copy_info_to_removed_store_destination, ira_flattening): Handle it.
1392         * ira-lives.c (pseudo_regno_single_word_and_live_p,
1393         find_call_crossed_cheap_reg): New static functions.
1394         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
1395         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
1396         a REG_RETURNED note in that case.
1397         * ira.c (setup_reg_renumber): Change assert to allow cases where
1398         allocnos only cross calls for which they are cheap to restore.
1399         * ira-costs.c (ira_tune_allocno_costs): Compare
1400         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
1401         than 0.
1402         * reg-notes.def (REG_RETURNED): New note.
1403         * cse.c (cse_insn): Likewise.
1404         * sched-deps.c (sched_analyze_insn): Likewise.
1405         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
1406         * calls.c (decl_return_flags): New static function.
1407         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
1408         functions that return one of their arguments.
1409         * regcprop.c (struct kill_set_value_data): New.
1410         (kill_set_value): Interpret data as a pointer to such a struct.
1411         Do nothing if the caller wants the register to be ignored.
1412         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
1414 2012-05-14  Richard Guenther  <rguenther@suse.de>
1416         PR tree-optimization/53340
1417         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
1419 2012-05-14  Richard Guenther  <rguenther@suse.de>
1421         * gimplify.c (gimplify_expr): Remove odd code.
1423 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1425         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
1426         into a PLUS_EXPR byte offset.
1428         * tree-ssa-pre.c (can_value_number_call): Delete.
1429         (compute_avail): Skip all statements with side effects.
1430         <GIMPLE_CALL>: Skip calls to internal functions.
1432 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
1434         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
1436 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1438         * common.opt (Wtype-limits): Use EnabledBy.
1440 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1442         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
1443         (pushtf splitter): Ditto.
1444         (movtf): Ditto.
1445         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
1446         (<code>tf2): Enable for TARGET_SSE.
1447         (*absnegtf2_sse): Ditto.
1448         (copysign<mode>3): Enable TFmode for TARGET_SSE.
1449         (copysign<mode>3_const): Ditto.
1450         (copysign<mode>3_var): Ditto.
1451         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
1452         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
1453         (*<code>tf3): Ditto.
1454         * config/i386/i386.c (struct builtin_description bdesc_args)
1455         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
1456         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
1457         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
1458         Emit a normal call if SSE isn't available.
1460 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1462         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
1463         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1464         (<code><mode>3): Ditto.
1465         (*andnot<mode>3): Ditto.
1466         (*andnottf3): Ditto.
1467         (*<code><mode>3): Ditto.
1468         (<code>tf3): Ditto.
1470 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1472         * optc-gen.awk: Error instead of warning for conflicting help.
1474 2012-05-12  Jason Merrill  <jason@redhat.com>
1476         PR debug/53235
1477         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
1478         comdat types.
1480 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1482         * function.c (requires_stack_frame_p): If the function can throw
1483         non-call exceptions, return true if the insn can throw internally.
1485 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
1487         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
1489 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1491         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1492         ORDERED and UNORDERED conditions.
1494 2012-05-11  Richard Guenther  <rguenther@suse.de>
1496         * tree-flow.h (referenced_var_check_and_insert): Remove.
1497         (find_new_referenced_vars): Likewise.
1498         * tree-dfa.c (referenced_var_check_and_insert): Make static.
1499         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
1500         * tree-inline.c (copy_bb): Use find_referenced_vars_in
1501         instead of find_new_referenced_vars.
1502         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
1504 2012-05-11  Richard Guenther  <rguenther@suse.de>
1506         * tree-pass.h (pass_rest_of_compilation,
1507         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
1508         Remove.
1509         * passes.c (pass_all_optimizations, pass_postreload,
1510         pass_all_early_optimizations): Make static.
1511         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
1512         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
1513         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
1514         (delete_tree_ssa): Do not call fini_phinodes.
1515         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
1517 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1519         PR 53063
1520         * doc/options.texi (EnabledBy): Document
1521         * opts.c: Include opts.h and options.h before tm.h.
1522         (finish_options): Do not handle some sub-options here...
1523         (common_handle_option): ... instead call common_handle_option_auto
1524         here.
1525         * optc-gen.awk: Handle EnabledBy.
1526         * opth-gen.awk: Declare common_handle_option_auto.
1527         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
1528         (Wmaybe-uninitialized): Likewise.
1529         (Wunused-but-set-variable): Likewise.
1530         (Wunused-function): Likewise.
1531         (Wunused-label): Likewise.
1532         (Wunused-value): Likewise.
1533         (Wunused-variable): Likewise.
1534         * opt-read.awk: Create opt_numbers array.
1536 2012-05-11  Richard Guenther  <rguenther@suse.de>
1538         PR tree-optimization/53295
1539         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
1540         strides.
1541         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
1542         strides when analyzing data-references in a loop context.
1543         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
1544         non-constant strides for now.
1545         (vect_enhance_data_refs_alignment): Ignore data references
1546         that are strided loads.
1547         (vect_analyze_data_ref_access): Handle non-constant strides.
1548         (vect_check_strided_load): Verify the data-reference is a load.
1549         (vect_analyze_data_refs): Restructure to make strided load
1550         support not dependent on gather support.
1551         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
1552         when doing strided or gather loads.
1553         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
1554         integer_zerop to compare stride with zero.
1556 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1558         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
1560 2012-05-11  Jan Hubicka  <jh@suse.cz>
1562         PR bootstrap/53300
1563         * varpool.c (varpool_assemble_decl): Also output constat pool entries
1564         that output_constant_pool missed.
1566 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
1568         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
1569         MULTILIB_EXTRA_OPTS.
1571 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
1573         PR target/53291
1574         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
1576 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
1578         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
1579         optimization for TARGET_AVX.
1580         (*movti_internal_sse): Ditto.
1581         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1582         (*movdi_internal): Ditto.
1583         (*movsi_internal): Ditto.
1584         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
1585         (*movdf_internal_rex64): Ditto.
1586         (*movfd_internal): Ditto.
1587         (*movsf_internal): Ditto.
1588         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
1590 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1592         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
1593         reference as size attribute.
1595 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1596             Tristan Gingold  <gingold@adacore.com>
1598         * doc/md.texi (Standard Names): Document probe_stack_address.
1599         * explow.c (emit_stack_probe): Handle probe_stack_address.
1600         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
1601         (UNSPECV_PROBE_STACK_RANGE): Likewise.
1602         (probe_stack_address): New insn.
1603         (probe_stack_range): Likewise.
1604         * config/ia64/ia64.c: Include common/common-target.h.
1605         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
1606         checking is enabled.
1607         (ia64_emit_probe_stack_range): New function.
1608         (output_probe_stack_range): Likewise.
1609         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
1610         builtin stack checking is enabled.
1611         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
1612         and UNSPECV_PROBE_STACK_ADDRESS.
1613         (unknown_for_bundling_p): New predicate.
1614         (group_barrier_needed): Use important_for_bundling_p.
1615         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
1616         (issue_nops_and_insn): Likewise.
1617         (bundling): Likewise.
1618         (final_emit_insn_group_barriers): Likewise.
1619         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
1620         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
1621         (STACK_CHECK_PROTECT): Likewise.
1622         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
1624 2012-05-10  Jan Hubicka  <jh@suse.cz>
1626         * ipa-inline.c (update_all_callee_keys): Remove.
1627         (inline_small_functions): Simplify priority updating.
1629 2012-05-10  Jan Hubicka  <jh@suse.cz>
1631         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
1633 2012-05-10  Jan Hubicka  <jh@suse.cz>
1635         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
1636         (symtab_remove_unreachable_nodes): ... this one.
1637         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
1638         * cgraphunit.c (ipa_passes): Update.
1639         * cgraphclones.c (cgraph_materialize_all_clones): Update.
1640         * cgraph.c (cgraph_release_function_body): Only turn initial
1641         into error mark when initial was previously set.
1642         * ipa-inline.c (ipa_inline): Update.
1643         * ipa.c: Include ipa-inline.h
1644         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
1645         (enqueue_node): New function.
1646         (process_references): Update.
1647         (symtab_remove_unreachable_nodes): Cleanup.
1648         * passes.c (execute_todo, execute_one_pass): Update.
1650 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
1652         PR rtl-optimization/53125
1653         * ira.c (ira): Call find_moveable_pseudos and
1654         move_unallocated_pseudos if only ira_conflicts_p is true.
1656 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
1658         * config/i386/i386.md (*movoi_internal_avx): Handle
1659         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
1660         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1661         (*movti_internal_sse): Ditto.
1662         (*movtf_internal): Ditto.
1663         * config/i386/sse.md (ssePSmode): New mode attribute.
1664         (*move<mode>_internal): Use ssePSmode.
1665         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
1666         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1667         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
1668         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
1670 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1672         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1673         DECL_ORIGINAL_TYPE if it is present.
1675 2012-05-10  Nick Clifton  <nickc@redhat.com>
1677         PR target/53120
1678         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
1679         a "0" constraint to being a (match_dup 0).
1681 2012-05-10  Richard Guenther  <rguenther@suse.de>
1683         * stor-layout.c (byte_from_pos): Amend comment.
1685 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1687         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
1688         Document requirement to call in constructors.
1690         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
1692 2012-05-10  Richard Guenther  <rguenther@suse.de>
1694         * tree.h (TYPE_IS_SIZETYPE): Remove.
1695         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
1696         (extract_muldiv_1): Likewise.
1697         * gimple.c (gtc_visit): Likewise.
1698         (gimple_types_compatible_p): Likewise.
1699         (iterative_hash_canonical_type): Likewise.
1700         (gimple_canonical_types_compatible_p): Likewise.
1701         * gimplify.c (gimplify_one_sizepos): Likewise.
1702         * print-tree.c (print_node): Likewise.
1703         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
1705 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1707         PR target/52908
1708         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1709         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1710         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1711         instead of xop_mulv2div2di3_low.
1712         (xop_p<macs>dql): Fix vec_select selector.
1713         (xop_p<macs>dqh): Ditto.
1714         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1715         (xop_mulv2div2di3_high): Ditto.
1717 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1719         PR c++/53289
1720         * diagnostic.h (diagnostic_context): Add last_location.
1721         * diagnostic.c (diagnostic_initialize): Initialize it.
1722         (diagnostic_show_locus): Use it.
1724 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1726         * doc/extend.texi (Function Attributes): Point xref to section
1727         about Pragmas.
1729 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1731         * config/i386/i386.c (*movdf_internal_rex64): Remove
1732         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1733         Calculate "mode" attribute according to
1734         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1735         (*movdf_internal): Ditto.
1737 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1739         PR target/44141
1740         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
1741         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
1742         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
1743         or when optimizing for size.
1744         * config/i386/sse.md (*mov<mode>_internal): Remove
1745         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1746         Calculate "mode" attribute according to optimize_function_for_size_p
1747         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1748         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
1749         depending on the mode of the instruction.  Calculate "mode" attribute
1750         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
1751         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
1752         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1754 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1756         PR target/53256
1757         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1758         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1759         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1760         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1761         (expand_prologue): Move initialization of cfun->machine->is_naked,
1762         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1763         (avr_set_current_function): ...this new static function.
1764         (TARGET_SET_CURRENT_FUNCTION): New define.
1765         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1766         checking attributes of current_function_decl.
1767         (avr_regs_to_save): Ditto.
1768         (signal_function_p): Rename to avr_signal_function_p.
1769         (interrupt_function_p): Rename to avr_interrupt_function_p.
1771         * doc/extend.texi (Function Attributes): Better explanation of
1772         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1773         alphabetical order.
1775 2012-05-09  Michael Matz  <matz@suse.de>
1777         PR tree-optimization/53185
1778         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
1779         peeling when we see strided loads.
1781 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1783         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1785 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1787         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
1788         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
1789         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
1790         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
1791         (USE_LOAD_POST_INCREMENT): Define.
1792         (USE_LOAD_PRE_INCREMENT): Define.
1793         (USE_LOAD_POST_DECREMENT): Define.
1794         (USE_LOAD_PRE_DECREMENT): Define.
1795         (USE_STORE_PRE_DECREMENT): Define.
1796         (USE_STORE_PRE_INCREMENT): Define.
1797         (USE_STORE_POST_DECREMENT): Define.
1798         (USE_STORE_POST_INCREMENT): Define.
1799         (arm_auto_incmodes): Add enumeration.
1800         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
1801         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
1803 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
1805         PR tree-optimization/53226
1806         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
1807         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
1808         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
1809         doesn't need to be revisited, look for earliest stmt with
1810         !gimple_plf (stmt, GF_PLF_1) if something changed.
1812 2012-05-09  Terry Guo  <terry.guo@arm.com>
1814         * genmultilib: Update copyright dates.
1815         * doc/fragments.texi: Ditto.
1817 2012-05-09  Terry Guo  <terry.guo@arm.com>
1819         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
1820         * genmultilib (MULTILIB_REQUIRED): New.
1821         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
1823 2012-05-09  Richard Guenther  <rguenther@suse.de>
1825         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
1826         (vect_do_peeling_for_loop_bound): Likewise.
1827         (vect_do_peeling_for_alignment): Likewise.
1828         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
1829         (vect_do_peeling_for_loop_bound): Get check_profitability and
1830         threshold as parameters.
1831         (vect_do_peeling_for_alignment): Likewise.
1832         (vect_loop_versioning): Likewise.
1833         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
1834         and threshold here.  Control where to put the check here.
1836 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
1838         PR middle-end/53249
1839         * dwarf2out.h (get_address_mode): Move declaration to...
1840         * rtl.h: ...here.
1841         * dwarf2out.c (get_address_mode): Move definition to...
1842         * rtlanal.c: ...here.
1843         * var-tracking.c (get_address_mode): Delete.
1844         * combine.c (find_split_point): Use get_address_mode instead of
1845         targetm.addr_space.address_mode.
1846         * cselib.c (cselib_record_sets): Likewise.
1847         * dse.c (canon_address, record_store): Likewise.
1848         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
1849         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
1850         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
1851         (expand_expr_real_1): Likewise.
1852         * ifcvt.c (noce_try_cmove_arith): Likewise.
1853         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
1854         * reload.c (find_reloads): Likewise.
1855         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
1856         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
1858 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
1860         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
1861         information from the instruction produced.
1863 2012-05-09  Richard Guenther  <rguenther@suse.de>
1865         * stor-layout.c (bit_from_pos): Document.
1866         (byte_from_pos): Likewise.  Optimize.
1867         (pos_from_bit): Likewise.
1868         (normalize_offset): Use pos_from_bit instead of replicating it.
1870 2012-05-09  Alan Modra  <amodra@gmail.com>
1872         PR target/53271
1873         * config/rs6000/rs6000.c (gen_frame_set): New function.
1874         (gen_frame_load, gen_frame_store): New functions.
1875         (rs6000_savres_rtx): Use the above.
1876         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
1877         Correct mode used for CR2 in save/restore_world patterns.
1878         Don't emit instructions for eh_return frame unwind reg info.
1880 2012-05-08  Jan Hubicka  <jh@suse.cz>
1882         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
1883         with VALUE_EXPR.
1884         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
1885         are removable.
1886         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
1887         need to wrapup.
1888         (compile_file): Do not output variables.
1889         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
1890         output it.
1891         * langhooks.c: Include timevar.h
1892         (write_global_declarations): Finalize compilation unit after wrapup;
1893         set timevars correctly.
1894         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
1895         not to be added to varpool.
1896         * varpool.c (varpool_assemble_decl): Sanity check that we are called
1897         only on cases where it makes sense; skip constant pool and value expr
1898         vars.
1900 2012-05-08  David S. Miller  <davem@davemloft.net>
1902         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
1903         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
1904         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
1906 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
1908         PR rtl-optimization/53278
1909         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
1910         speed_p code from earlier patch.
1912 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
1914         PR target/51244
1915         * config/sh/sh.md (*branch_true, *branch_false): New insns.
1917 2012-05-08  Teresa Johnson  <tejohnson@google.com>
1919         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
1920         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
1922 2012-05-08  Jan Hubicka  <jh@suse.cz>
1924         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
1925         (cgraph_create_node_1): Rename to ...
1926         (cgraph_create_empty_node): ... this one; export.
1927         (cgraph_create_node): Update.
1928         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
1929         (cgraph_create_edge_including_clones): Likewise.
1930         (cgraph_find_replacement_node): Likewise.
1931         (cgraph_clone_edge): Likewise.
1932         (cgraph_clone_node): Likewise.
1933         (clone_function_name): Likewise.
1934         (cgraph_create_virtual_clone): Likewise.
1935         (cgraph_remove_node_and_inline_clones): Likewise.
1936         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
1937         * cgraph.h: Reorder declarations so they match file of origin.
1938         (cgraph_create_empty_node): Declare.
1939         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
1940         (cgraph_copy_node_for_versioning): Likewise.
1941         (cgraph_function_versioning): Likewise.
1942         (cgraph_materialize_clone): Likewise.
1943         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
1944         (cgraph_materialize_all_clones): Likewise.
1945         * cgraphclones.c: New file.
1946         * Makefile.in: Update for cgraphclones.
1948 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
1950         PR target/53176
1951         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
1952         (ix86_rtx_costs): Handle SET.
1954 2012-05-08  Michael Matz  <matz@suse.de>
1956         * basic-block.h (struct rtl_bb_info): Remove visited member and
1957         move head_ member to ...
1958         (struct basic_block_def.basic_block_il_dependent): ... the new
1959         member x, replacing but containing old member rtl.
1960         (enum bb_flags): New BB_VISITED flag.
1961         (BB_HEADER, BB_FOOTER): New macros.
1963         * jump.c (mark_all_labels): Adjust.
1964         * cfgcleanup.c (try_optimize_cfg): Adjust.
1965         * cfglayout.c (record_effective_endpoints): Adjust.
1966         (relink_block_chain): Ditto (and don't fiddle with visited).
1967         (fixup_reorder_chain): Adjust.
1968         (fixup_fallthru_exit_predecessor): Ditto.
1969         (cfg_layout_duplicate_bb): Ditto.
1970         * combine.c (update_cfg_for_uncondjump): Adjust.
1971         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
1972         (bb_visited_trace): New accessor.
1973         (mark_bb_visited): Move in front.
1974         (rotate_loop): Use bb_visited_trace.
1975         (find_traces_1_round): Ditto.
1976         (emit_barrier_after): Ditto.
1977         (copy_bb): Ditto, and initialize visited on resize.
1978         (reorder_basic_blocks): Initize visited member.
1979         (duplicate_computed_gotos): Clear bb flags at start, use
1980         BB_VISITED flags.
1982         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
1983         (rtl_verify_flow_info_1): Ditto.
1984         (cfg_layout_split_block): Ditto.
1985         (cfg_layout_delete_block): Ditto.
1986         (cfg_layout_merge_blocks): Ditto.
1987         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
1989 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1991         PR target/53272
1992         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1993         when a constant source operand matches an "I" constraint, the "no
1994         CC0 change" applies to a register-destination only, not a
1995         strict_low_part-destination.
1997 2012-05-08  Richard Guenther  <rguenther@suse.de>
1999         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
2000         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
2002 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
2004         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
2006         * doc/avr-mmcu.texi: New auto-generated file.
2007         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
2008         to document all valid -mmcu= arguments.
2010         * config/avr/avr.h (arch_info_s): New struct definition.
2011         * config/avr/avr-devices.c (avr_texinfo): New variable.
2012         * config/avr/gen-avr-mmcu-texi.c: New file.
2013         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
2015 2012-05-08  Dehao Chen  <dehao@google.com>
2017         * predict.c (find_qualified_ssa_name): New.
2018         (find_ssa_name_in_expr): New.
2019         (find_ssa_name_in_assign_stmt): New.
2020         (is_comparison_with_loop_invariant_p): New.
2021         (is_bound_expr_similar): New.
2022         (predict_iv_comparison): New.
2023         (predict_loops): Add heuristic for loop-nested branches that compare an
2024         induction variable to a loop bound variable.
2025         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
2027 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
2029         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
2030         TARGET_BDVER2 defines where appropriate.
2032 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2034         * configure.ac (PLUGIN_LD): Rename into...
2035         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
2036         * config.in: Regenerate.
2037         * configure: Likewise.
2038         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
2040 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2042         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
2043         computation using the precision of the index type.
2044         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
2045         (fold_array_ctor_reference): Do index computations in the index type.
2047 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
2049         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
2050         down to plus_constant.
2051         (expand_epilogue): Ditto.
2053 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2055         * postreload.c (reload_cse_regs): Make static.
2056         * reload.h (reload_cse_regs): Remove prototype.
2058 2012-05-07  Richard Henderson  <rth@redhat.com>
2060         * config/alpha/alpha.md (clear_cache): New pattern.
2062 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2064         PR middle-end/53245
2065         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
2066         is folded to a type boundary value, verify that the resulting case
2067         label is still a care range.
2069 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
2071         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
2072         only for TARGET_GENERIC, when not optimizing for size.
2073         (*ffs<mode>_1): Ditto.
2075 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2077         * tree-cfg.c (verify_gimple_switch): Tighten checks.
2079 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
2081         PR tree-optimization/53239
2082         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
2083         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
2085 2012-05-07  Richard Guenther  <rguenther@suse.de>
2087         PR tree-optimization/53195
2088         * tree-inline.c (setup_one_parameter): Properly add referenced
2089         vars from the parameters new known value.
2091 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2093         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
2094         (sched_branch_type): Remove.
2095         (m68k_sched_md_init_global): Don't allocate it.
2096         (m68k_sched_md_finish_global): Don't free it.
2097         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
2098         * config/m68k/m68k.md: Set the type of insns using
2099         m68k_sched_branch_type to bcc directly.
2101 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2103         * config/sol2.c (solaris_override_options): New function.
2104         * config/sol2-protos.h (solaris_override_options): Declare.
2105         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2107 2012-05-07  Richard Guenther  <rguenther@suse.de>
2109         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
2110         whether we failed to compute data dependences.
2111         (loop_prefetch_arrays): Fail if we failed.
2113 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
2114             Paolo Bonzini  <bonzini@gnu.org>
2116         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
2117         Emit bsf when optimizing for size.
2118         (*ffs<mode>_1): Ditto.
2120 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
2122         PR target/53250
2123         * config/sh/sh.c (sh_rtx_costs): Handle SET.
2125 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
2127         PR target/53227
2128         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
2129         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
2130         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
2131         (bswapsi2): Ditto.
2132         (*bswapdi2_doubleword): New insn pattern.
2133         (*bswap<mode>2): Rename from *bswap<mode>2_1.
2135 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
2137         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
2138         (mips_set_reg_reg_cost): Likewise.
2139         (mips_rtx_costs): Handle SET.
2141 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
2143         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
2144         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
2145         to compute the cost of moves.  Set the mode of the target register.
2147 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
2149         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
2150         plus_constant function.
2151         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
2152         that the mode is sensible.
2153         (use_anchored_address, round_push, allocate_dynamic_stack_space)
2154         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
2155         plus_constant.
2157         * alias.c (canon_rtx): Likewise.
2158         (init_alias_analysis): Likewise.
2159         * builtins.c (expand_builtin_return_addr)
2160         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
2161         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
2162         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
2163         (expand_builtin_stpcpy): Likewise.
2164         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
2165         (compute_argument_addresses, internal_arg_pointer_based_exp)
2166         (expand_call, emit_library_call_value_1): Likewise.
2167         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
2168         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
2169         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
2170         * cse.c (insert_const_anchor, find_reg_offset_for_const)
2171         (use_related_value, fold_rtx): Likewise.
2172         * cselib.c (cselib_subst_to_values): Likewise.
2173         * dse.c (record_store, check_mem_read_rtx): Likewise.
2174         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
2175         * emit-rtl.c (adjust_address_1): Likewise.
2176         * except.c (sjlj_emit_function_enter)
2177         (expand_builtin_extract_return_addr)
2178         (expand_builtin_frob_return_addr): Likewise.
2179         * expmed.c (expand_divmod): Likewise.
2180         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
2181         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
2182         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
2183         * function.c (assign_stack_local_1)
2184         (instantiate_virtual_regs_in_rtx): Likewise.
2185         * optabs.c (prepare_cmp_insn): Likewise.
2186         * recog.c (offsettable_address_addr_space_p): Likewise.
2187         * reload.c (find_reloads_address, form_sum)
2188         (find_reloads_subreg_address): Likewise.
2189         * reload1.c (init_reload, eliminate_regs_1)
2190         (eliminate_regs_in_insn): Likewise.
2191         * simplify-rtx.c (simplify_unary_operation_1)
2192         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
2193         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
2194         (vt_add_function_parameter): Likewise.
2196         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
2197         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
2198         * config/alpha/alpha.c (alpha_legitimize_address_1)
2199         (get_unaligned_address, alpha_expand_unaligned_load)
2200         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
2201         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
2202         (alpha_expand_builtin_establish_vms_condition_handler)
2203         (alpha_setup_incoming_varargs, emit_frame_store_1)
2204         (alpha_expand_prologue, alpha_expand_epilogue)
2205         (alpha_use_linkage): Likewise.
2206         * config/alpha/alpha.md: Likewise.
2208         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
2209         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
2210         (thumb_legitimize_address, arm_gen_load_multiple_1)
2211         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
2212         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
2213         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
2214         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
2215         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
2216         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
2217         (thumb_expand_movmemqi, arm_set_return_address)
2218         (thumb_set_return_address): Likewise.
2219         * config/arm/arm.md: Likewise.
2221         * config/avr/avr.c (avr_incoming_return_addr_rtx)
2222         (avr_prologue_setup_frame, expand_epilogue)
2223         (avr_const_address_lo16): Likewise.
2225         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
2226         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
2227         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
2228         (bfin_output_mi_thunk): Likewise.
2230         * config/c6x/c6x.c (c6x_initialize_trampoline)
2231         (c6x_output_mi_thunk): Likewise.
2233         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
2234         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
2236         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
2237         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
2238         (cris_emit_movem_store, cris_trampoline_init): Likewise.
2239         * config/cris/cris.md: Likewise.
2241         * config/darwin.c (machopic_indirect_data_reference)
2242         (machopic_legitimize_pic_address): Likewise.
2244         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
2245         (epiphany_expand_prologue, epiphany_expand_epilogue)
2246         (epiphany_trampoline_init): Likewise.
2247         * config/epiphany/epiphany.md: Likewise.
2249         * config/fr30/fr30.c (fr30_move_double): Likewise.
2251         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
2252         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
2253         (frv_index_memory, unspec_got_name, frv_find_base_term)
2254         (frv_output_dwarf_dtprel): Likewise.
2256         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
2257         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
2259         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
2260         * config/i386/i386.c (setup_incoming_varargs_64)
2261         (setup_incoming_varargs_ms_64, choose_baseaddr)
2262         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
2263         (ix86_emit_probe_stack_range, ix86_expand_prologue)
2264         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
2265         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
2266         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
2267         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
2268         (x86_output_mi_thunk): Likewise.
2269         * config/i386/i386.md: Likewise.
2271         * config/ia64/ia64.c (ia64_expand_load_address)
2272         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
2273         (do_spill, ia64_trampoline_init): Likewise.
2275         * config/iq2000/iq2000.c (iq2000_va_start)
2276         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
2277         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
2278         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
2280         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
2282         * config/m32c/m32c.c (m32c_return_addr_rtx)
2283         (m32c_expand_insv): Likewise.
2285         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
2286         (m32r_legitimize_pic_address, m32r_print_operand)
2287         (m32r_print_operand_address): Likewise.
2289         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
2290         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
2291         (EH_RETURN_HANDLER_RTX): Likewise.
2292         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
2293         (m68k_expand_epilogue, legitimize_pic_address)
2294         (m68k_output_mi_thunk): Likewise.
2295         * config/m68k/m68k.md: Likewise.
2297         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
2298         (mcore_expand_epilog): Likewise.
2299         * config/mcore/mcore.md: Likewise.
2301         * config/mep/mep.c (mep_allocate_initial_value)
2302         (mep_expand_prologue, mep_expand_epilogue): Likewise.
2304         * config/microblaze/microblaze.c (double_memory_operand)
2305         (microblaze_block_move_loop): Likewise.
2307         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
2308         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
2309         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
2310         (mips_expand_prologue, mips_epilogue_set_cfa)
2311         (mips_expand_epilogue): Likewise.
2312         * config/mips/mips.md: Likewise.
2314         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
2315         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
2317         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
2318         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
2320         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
2321         (EH_RETURN_HANDLER_RTX): Likewise.
2322         * config/moxie/moxie.c (moxie_static_chain): Likewise.
2324         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
2325         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
2326         (pa_return_addr_rtx, hppa_builtin_saveregs)
2327         (pa_trampoline_init): Likewise.
2328         * config/pa/pa.md: Likewise.
2330         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
2332         * config/picochip/picochip.c (picochip_static_chain): Likewise.
2334         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
2335         * config/rs6000/rs6000.c (rs6000_legitimize_address)
2336         (setup_incoming_varargs, print_operand, rs6000_return_addr)
2337         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
2338         (rs6000_emit_epilogue)
2339         (rs6000_machopic_legitimize_pic_address): Likewise.
2341         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2343         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
2344         (DYNAMIC_CHAIN_ADDRESS): Likewise.
2345         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
2346         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
2347         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
2348         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
2349         (s390_emit_epilogue, s390_function_profiler): Likewise.
2350         * config/s390/s390.md: Likewise.
2352         * config/score/score.c (score_add_offset, score_prologue): Likewise.
2354         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
2355         (sh_output_mi_thunk): Likewise.
2356         * config/sh/sh.md: Likewise.
2358         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
2359         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
2360         * config/sparc/sparc.c (sparc_legitimize_pic_address)
2361         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
2362         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
2363         (emit_and_preserve): Likewise.
2364         * config/sparc/sparc.md: Likewise.
2366         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
2367         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
2368         (spu_setup_incoming_varargs, ea_load_store_inline)
2369         (spu_expand_load): Likewise.
2371         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
2372         (combine_bnp): Likewise.
2374         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
2375         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
2376         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
2378         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
2379         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
2380         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
2382         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
2383         * config/v850/v850.md: Likewise.
2385         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
2386         (EH_RETURN_HANDLER_RTX): Likewise.
2387         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
2388         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
2389         (print_operand_address, vax_trampoline_init): Likewise.
2391         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
2392         (xtensa_function_value_regno_p): Likewise.
2394 2012-05-04  Andrew Pinski  <apinski@cavium.com>
2396         * expr.c (get_def_for_expr_class): New function.
2397         (convert_tree_comp_to_rtx): New function.
2398         (expand_cond_expr_using_cmove): New function.
2399         (expand_expr_real_2 <case COND_EXPR>): Call
2400         expand_cond_expr_using_cmove first and return if it succeeds.
2401         Remove the check for HAVE_conditional_move since we should have
2402         already converted it to a conditional move.
2403         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
2404         modes of DImode for 32bits and TImode.
2406 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
2408         PR other/29442
2409         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
2410         (print_md_ptr_loc, print_c_condition): Use them.
2411         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
2412         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
2413         attr_file, dfa_file, latency_file): New global variables.
2414         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
2415         write_upcase, write_indent, write_length_unit_log, write_test_expr,
2416         write_attr_get, write_insn_cases, write_eligible_delay,
2417         write_const_num_delay_slots): Accept FILE pointer and toss it around.
2418         Update all callers.
2419         (write_header, open_outfile, handle_arg): New funcions.
2420         (make_automaton_attrs): Write prototypes as extern to the output
2421         files.
2422         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
2423         names from the command line.  Open the output files and write out
2424         internal functions for DFA functions to dfa_file_name, insn latency
2425         functions to latency_file_name, and everything else to attr_file.
2426         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
2427         (BACKEND): Build libbackend first.
2428         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
2429         (.PRECIOUS): Likewise.
2430         (insn-dfatab.o): New rule.
2431         (insn-latencytab.o): New rule.
2432         (simple_rtl_generated_c): Do not include insn-attrtab.c.
2433         (s-attrtab): New rule.
2435 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
2437         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
2438         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
2439         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
2440         * reorg.c (get_jump_flags): Do not set the removed flags.
2442         * doc/md.texi (attr_flag): Update for abovementioned changes.
2444 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
2446         PR target/53228
2447         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2448         (TARGET_CMOV): Rename from TARGET_CMOVE.
2449         (TARGET_CMOVE): New define.
2450         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2451         Do not set TARGET_CMOVE here.
2453 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
2455         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
2456         * opts.c (finish_options): Activate -Wunused-local-typedefs if
2457         -Wunused is activated.
2458         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
2460 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2462         * config/s390/s390.md (*movmem_short, *clrmem_short)
2463         (*cmpmem_short): Move the mode check from the insn condition to
2464         the match_scratch.
2466 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2468         PR tree-optimization/52633
2469         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2470         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2471         (vect_recog_over_widening_pattern): Remove handling of code that was
2472         already detected as over-widening pattern.  Remove special handling
2473         of "unsigned" cases.  Instead, support general case of conversion
2474         of the shift result to another type.
2476 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2478         * tree-vect-patterns.c (vect_single_imm_use): New function.
2479         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2480         (vect_recog_over_widening_pattern): Likewise.
2481         (vect_recog_widen_shift_pattern): Likewise.
2483 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2485         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
2486         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
2487         (vect_recog_widen_mult_pattern): Likewise.
2488         (vect_operation_fits_smaller_type): Likewise.
2489         (vect_recog_over_widening_pattern): Likewise.
2490         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
2492 2012-05-04  Richard Guenther  <rguenther@suse.de>
2494         PR lto/50602
2495         * lto-wrapper.c (merge_and_complain): Complain about mismatches
2496         of -freg-struct-return and -fpcc-struct-return.
2497         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
2498         from the input file options and ignore those from the link
2499         command line.
2501 2012-05-04  Richard Guenther  <rguenther@suse.de>
2503         PR tree-optimization/53168
2504         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
2505         memory reads when the result is a constant we can pun.
2507 2012-05-04  Richard Guenther  <rguenther@suse.de>
2509         * common.opt (flto-report): Do not mark as Optimization.
2511 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2513         PR target/48496
2514         * recog.c (constrain_operands): If extra constraints are present, also
2515         accept pseudo-registers with equivalent memory locations during reload.
2517 2012-05-04  Olivier Hainque  <hainque@adacore.com>
2519         * collect2.c (may_unlink_output_file): New global.
2520         (maybe_unlink): Honor it.
2521         * collect2.h: Add extern for it.
2522         * tlink.c (do_tlink): Set it to true if the link succeeded.
2524 2012-05-04  Olivier Hainque  <hainque@adacore.com>
2526         * gcc.c (eval_spec_function): Finalize/restore the current string
2527         obstack state as part of the context push/pop operations.
2529 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
2531         PR rtl-optimization/52804
2532         * reload1.c (reload_reg_reaches_end_p): Check whether successor
2533         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2534         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2535         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2536         RELOAD_FOR_OUTADDR_ADDRESS.
2538 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2540         PR c++/24985
2541         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
2542         for macro expansion.
2544 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2546         * flags.h (flag_permissive): Do not declare.
2547         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
2548         option specially.
2549         * toplev.c (flag_permissive): Do not define.
2550         * c-tree.h (system_header_p): Delete unused.
2552 2012-05-03  David S. Miller  <davem@davemloft.net>
2554         PR target/52684
2555         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2556         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2557         (sparc_emit_float_lib_cmp): Likewise.
2559 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2561         PR target/53199
2562         * config/rs6000/rs6000.md (bswapdi splitters): If
2563         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2564         default) is used, generate an alternate sequence that does not
2565         depend on using indexed addressing.
2567 2012-05-03  Jason Merrill  <jason@redhat.com>
2569         * gengtype.c (write_types): Fix warning message.
2570         (write_local): Likewise.
2572 2012-05-02  Jason Merrill  <jason@redhat.com>
2574         * dwarf2out.c (struct external_ref, build_local_stub): New.
2575         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
2576         (optimize_external_refs, optimize_external_refs_1): New.
2577         (change_AT_die_ref): New.
2578         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
2579         (build_abbrev_table): Take the external refs hashtable.
2580         (output_comp_unit): Get it from optimize_external_refs and pass it in.
2582 2012-05-03  Jan Hubicka  <jh@suse.cz>
2584         PR middle-end/53093
2585         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
2587 2012-05-03  Jan Hubicka  <jh@suse.cz>
2589         PR middle-end/53106
2590         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
2592 2012-05-03  Jason Merrill  <jason@redhat.com>
2594         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
2595         use_debug_types to discriminate the die_id union.
2596         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
2597         (build_abbrev_table, output_die): Likewise.
2598         (prune_unused_types_walk_attribs): Likewise.
2599         (generate_type_signature, copy_declaration_context): Set it.
2600         (remove_child_or_replace_with_skeleton): Set it.
2601         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
2602         check use_debug_types.
2603         (dwarf2out_finish): Do break_out_includes after .debug_types.
2605 2012-05-03  Jason Merrill  <jason@redhat.com>
2607         * dwarf2out.c (modified_type_die): Use scope_die_for.
2608         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2609         (uses_local_type_r, uses_local_type): New.
2610         (scope_die_for): Keep a type that uses a local type in local scope.
2611         Use get_context_die for namespace and type scope.
2613 2012-05-03  Jason Merrill  <jason@redhat.com>
2615         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
2616         pc thunk.
2617         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
2618         (dwarf2out_finish): Likewise.
2620 2012-05-03  Martin Jambor  <mjambor@suse.cz>
2622         * builtins.c (get_object_alignment_1): Return whether we can determine
2623         the alignment or conservatively assume byte alignment.  Return the
2624         alignment by reference.  Use get_pointer_alignment_1 for dereference
2625         alignment.
2626         (get_pointer_alignment_1): Return whether we can determine the
2627         alignment or conservatively assume byte alignment.  Return the
2628         alignment by reference.  Use get_ptr_info_alignment to get SSA name
2629         alignment.
2630         (get_object_alignment): Update call to get_object_alignment_1.
2631         (get_object_or_type_alignment): Likewise, fall back to type alignment
2632         only when it returned false.
2633         (get_pointer_alignment): Update call to get_pointer_alignment_1.
2634         * fold-const.c (get_pointer_modulus_and_residue): Update call to
2635         get_object_alignment_1.
2636         * ipa-prop.c (ipa_modify_call_arguments): Update call to
2637         get_pointer_alignment_1.
2638         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
2639         of MEM_REF or TARGET_MEM_REF only when it returns false.
2640         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
2641         get_object_alignment_1.
2642         (ccp_finalize): Use set_ptr_info_alignment.
2643         * tree.h (get_object_alignment_1): Update declaration.
2644         (get_pointer_alignment_1): Likewise.
2645         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
2646         (dump_gimple_stmt): Likewise.
2647         * tree-flow.h (ptr_info_def): Updated comments of fields align and
2648         misalign.
2649         (get_ptr_info_alignment): Declared.
2650         (mark_ptr_info_alignment_unknown): Likewise.
2651         (set_ptr_info_alignment): Likewise.
2652         (adjust_ptr_info_misalignment): Likewise.
2653         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
2654         and set alignment of SSA names.
2655         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
2656         mark_ptr_info_alignment_unknown.
2657         * tree-ssanames.c (get_ptr_info_alignment): New function.
2658         (mark_ptr_info_alignment_unknown): Likewise.
2659         (set_ptr_info_alignment): Likewise.
2660         (adjust_ptr_info_misalignment): Likewise.
2661         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
2662         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
2663         Likewise.
2664         (bump_vector_ptr): Likewise.
2665         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
2666         (vectorizable_store): Likewise.
2667         (vectorizable_load): Likewise.
2669 2012-05-03  Michael Matz  <matz@suse.de>
2671         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
2672         in front of basic_block_def.
2673         (struct basic_block_def): Make il.gimple the full struct, not a
2674         pointer.
2675         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
2677         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
2678         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
2679         NULL il.gimple, which can't happen anymore.
2680         * gimple.h (bb_seq): il.gimple can't be NULL.
2681         (bb_seq_add): Ditto.
2682         (set_bb_seq): Adjust.
2683         (gsi_start_bb, gsi_last_bb): Tidy.
2684         * lto-streamer-in.c (make_new_block): Don't zero members that
2685         are zeroed already, don't allocate a gimple_bb_info.
2686         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
2687         (remove_bb): Clear all il.gimple members.
2688         (gimple_verify_flow_info): Adjust for flat il.gimple.
2689         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
2691         * coretypes.h (const_gimple_seq): Remove typedef.
2692         * gimple.h (gimple_seq_first): Take gimple_seq.
2693         (gimple_seq_first_stmt): Ditto.
2694         (gimple_seq_last): Ditto.
2695         (gimple_seq_last_stmt): Ditto.
2696         (gimple_seq_empty_p): Ditto.
2698 2012-05-03  Richard Guenther  <rguenther@suse.de>
2700         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
2701         operations.
2702         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
2703         (compute_avail): Do not add possibly trapping operations to
2704         EXP_GEN if they might not be executed in the block.
2706 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
2708         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
2710 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
2712         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
2713         information as early as possible.  Update dominance info instead of
2714         discarding it.
2716 2012-05-03  Richard Guenther  <rguenther@suse.de>
2718         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
2719         (union_contains_value): Remove.
2720         (vro_valid_in_sets): Likewise.
2721         (op_valid_in_sets): New function.
2722         (valid_in_sets): Use op_valid_in_sets.
2723         (insert_into_preds_of_block): Move dumping ...
2724         (do_regular_insertion): ... here.
2725         (do_partial_partial_insertion): ... and here.  Dump that
2726         we've found a partial partial redundancy.
2727         (insert): Dump the current insert iteration.
2729 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
2731         PR plugins/53126
2732         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2733         append program name to it and pass that as first argument
2734         to make_relative_prefix.  Always pass standard_libexec_prefix
2735         as last argument to make_relative_prefix.  If
2736         make_relative_prefix returns NULL, fall back to
2737         standard_libexec_prefix.
2739         PR debug/53174
2740         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2741         removed.
2743         PR target/53187
2744         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2745         mode, return that mode.
2747         PR target/53194
2748         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
2749         define __ATOMIC_HLE_* macros here.
2750         (ix86_target_macros): But here, using cpp_define_formatted.
2752 2012-05-03  Richard Guenther  <rguenther@suse.de>
2754         PR tree-optimization/53144
2755         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2756         Rename to ...
2757         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
2758         with SSA name values.
2759         (vn_reference_lookup_3): Adjust callers.
2761 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
2763         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2764         has_fma4 for AMD processors with both fma3 and fma4 support.
2766 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
2768         PR target/53201
2769         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
2770         "-mno-hle".
2772 2012-05-03  Michael Matz  <matz@suse.de>
2774         PR bootstrap/53197
2775         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
2776         (dse_enter_block): Properly iterate the whole sequence even
2777         if the last statement was removed.
2779 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2781         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
2782         unset flag_jump_tables.
2783         * stmt.c (expand_case): Remove special flag_pic case conditional
2784         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
2786 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
2788         * common/config/s390/s390-common.c (s390_option_optimization_table):
2789         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
2790         default when optimizing.
2792 2012-05-02  Martin Jambor  <mjambor@suse.cz>
2794         PR lto/52605
2795         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2796         of a variable when the contect is a function.
2798 2012-05-02  Michael Matz  <matz@suse.de>
2800         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
2801         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
2802         (const_gimple_seq_node): Remove.
2803         (gimple_seq_node): Typedef as gimple.
2804         (struct gimple_statement_base): Add next and prev members,
2805         adjust all WORD markers in using structs.
2806         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
2807         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2808         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
2809         gimple are the same.
2810         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
2811         gimple_seq, adjust.
2812         (gimple_init_singleton): New function.
2813         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
2814         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
2815         (gsi_stmt): Adjust.
2816         (gsi_stmt_ptr): Remove.
2817         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
2819         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
2820         again, adjust for above changes.
2821         (update_call_edge_frequencies): Adjust for above changes.
2822         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
2823         (gsi_insert_seq_nodes_after): Ditto.
2824         (gsi_split_seq_after): Ditto.
2825         (gsi_set_stmt): Ditto.
2826         (gsi_split_seq_before): Ditto.
2827         (gsi_remove): Ditto.
2828         (gsi_insert_seq_before_without_update): Don't free sequence.
2829         (gsi_insert_seq_after_without_update): Ditto.
2830         (gsi_replace): Assert some more invariants.
2831         (gsi_insert_before_without_update, gsi_insert_after_without_update):
2832         Tidy.
2833         (gsi_for_stmt): Don't search for stmt.
2834         (gsi_insert_on_edge_immediate): Tidy.
2836         * gimple.c (gimple_alloc_k): Remove "sequences".
2837         (gimple_seq_cache): Remove.
2838         (gimple_alloc_stat): Make stmt a singleton sequence.
2839         (gimple_seq_alloc, gimple_seq_free): Remove.
2840         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
2841         (gimple_copy): Ditto.
2842         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
2843         create iterator from correct sequence.
2844         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
2846 2012-05-02  Michael Matz  <matz@suse.de>
2848         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
2849         gimple_seq.
2850         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
2851         sequence, lazily allocate it.
2852         (bb_seq_addr): New function.
2853         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
2854         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
2855         (gsi_none): New function.
2856         (gsi_start_bb): Adjust.
2857         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
2858         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
2859         (gsi_last_bb): Adjust.
2860         (gsi_seq): Adjust.
2861         * tree-flow-inline.h (phi_nodes_ptr): New function.
2863         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
2864         datastructure and interface change.
2865         (gsi_insert_seq_before_without_update): Ditto.
2866         (gsi_insert_seq_nodes_after): Ditto.
2867         (gsi_insert_seq_after_without_update): Ditto.
2868         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
2869         (gsi_split_seq_before): Ditto.
2870         (gsi_start_phis): Adjust.
2871         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
2872         (vect_transform_loop): Ditto.
2873         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
2874         gimple_seq_copy): Don't use gimple_seq_alloc.
2875         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
2876         (gimplify_seq_add_seq): Ditto.
2877         * lto-streamer-in.c (make_new_block): Ditto.
2878         * tree-cfg.c (create_bb): Ditto.
2879         * tree-sra.c (initialize_parameter_reductions): Ditto.
2881 2012-05-02  Michael Matz  <matz@suse.de>
2883         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2884         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
2885         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
2886         set_bb_seq): Move down to after gimple_statement_d definition.
2888 2012-05-02  Michael Matz  <matz@suse.de>
2890         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
2891         gsi_replace_with_seq, instead of inserting itself.
2892         * gimple-iterator.c (gsi_replace_with_seq): New function.
2893         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
2894         iterator instead of statement, advance it.
2895         (ssa_forward_propagate_and_combine): Adjust call to above.
2897 2012-05-02  Michael Matz  <matz@suse.de>
2899         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
2900         gimple_seq_alloc.
2901         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
2902         * tree-nested.c (walk_gimple_omp_for): Ditto.
2903         * trans-mem.c (lower_transaction): Ditto.
2904         * tree-eh.c (do_return_redirection): Ditto.
2905         (do_goto_redirection): Ditto.
2906         (lower_try_finally_switch): Ditto.
2907         * gimplify.c (gimplify_stmt): Ditto.
2908         (gimplify_scan_omp_clauses): Ditto.
2909         (gimplify_omp_for): Ditto.
2910         (gimplify_function_tree): Ditto.
2911         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
2912         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
2913         (mf_build_check_statement_for): Ditto.
2914         (mx_register_decls): Ditto.
2915         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
2916         and don't use itertors to append.
2917         (insert_stmts): Ditto.
2918         (insert_out_of_ssa_copy): Ditto.
2919         (insert_out_of_ssa_copy_on_edge): Ditto.
2921 2012-05-02  Michael Matz  <matz@suse.de>
2923         * gimple.h (gimple_bind_body_ptr): New function.
2924         (gimple_bind_body): Use it.
2925         (gimple_catch_handler): Use gimple_catch_handler_ptr.
2926         (gimple_eh_filter_failure_ptr): New function.
2927         (gimple_eh_filter_failure): Use it.
2928         (gimple_eh_else_n_body_ptr): New function.
2929         (gimple_eh_else_n_body): Use it.
2930         (gimple_eh_else_e_body_ptr): New function.
2931         (gimple_eh_else_e_body): Use it.
2932         (gimple_try_eval_ptr): New function.
2933         (gimple_try_eval): Use it.
2934         (gimple_try_cleanup_ptr): New function.
2935         (gimple_try_cleanup): Use it.
2936         (gimple_wce_cleanup_ptr): New function.
2937         (gimple_wce_cleanup): Use it.
2938         (gimple_omp_body_ptr): New function.
2939         (gimple_omp_body): Use it.
2940         (gimple_omp_for_pre_body_ptr): New function.
2941         (gimple_omp_for_pre_body): Use it.
2942         (gimple_transaction_body_ptr): New function.
2943         (gimple_transaction_body): Use it.
2944         (gsi_split_seq_before): Adjust to return nothing and take pointer
2945         to sequence.
2946         (gsi_set_stmt): Declare.
2947         (gsi_replace_with_seq): Declare.
2948         (walk_gimple_seq_mod): Declare.
2949         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
2951         * gimple-iterator.c (gsi_set_stmt): New function.
2952         (gsi_split_seq_before): Return new sequence via pointer argument.
2953         (gsi_replace): Use gsi_set_stmt.
2955         * tree-ssa-loop-im.c (move_computations_stmt): First remove
2956         then insert stmt.
2957         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
2958         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
2959         return new stmt.
2960         (reserve_phi_args_for_new_edge): Change call to above,
2961         use gsi_set_stmt.
2963         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
2964         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
2965         iterators.  Adjust call to lower_omp.
2966         (lower_lastprivate_clauses): Adjust call to lower_omp.
2967         (lower_reduction_clauses): Ditto.
2968         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
2969         (lower_omp_sections): Don't explicitely count sequence length,
2970         nullify lowered bodies earlier, ensure stmts are part of only
2971         one sequence, adjust call to lower_omp.
2972         (lower_omp_single): Ensure stmts are part of only one sequence,
2973         adjust call to lower_omp.
2974         (lower_omp_master): Ditto.
2975         (lower_omp_ordered): Ditto.
2976         (lower_omp_critical): Ditto.
2977         (lower_omp_for): Ditto.
2978         (lower_omp_taskreg): Ditto, tidy.
2979         (lower_omp_1): Adjust calls to lower_omp.
2980         (execute_lower_omp): Ditto.
2981         (lower_omp): Adjust to take pointer to sequence.
2982         (diagnose_sb_2): Use walk_gimple_seq_mod.
2983         (diagnose_omp_structured_block_errors): Ditto and set possibly
2984         changed function body.
2985         * gimple-low.c (lower_function_body): Set function body after
2986         it stabilizes.
2987         (lower_sequence): Adjust to take pointer to sequence.
2988         (lower_omp_directive): Ensure stmt isn't put twice into the
2989         sequence, adjust call to lower_sequence.
2990         (lower_stmt): Adjust calls to lower_sequence.
2991         (lower_gimple_bind): Ditto.
2992         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
2993         * tree-nested.c (walk_body): Take pointer to sequence, use
2994         walk_gimple_seq_mod.
2995         (walk_function): Adjust call to walk_body, set possibly changed body.
2996         (walk_gimple_omp_for): Adjust calls to walk_body.
2997         (convert_nonlocal_omp_clauses): Ditto.
2998         (convert_nonlocal_reference_stmt): Ditto.
2999         (convert_local_omp_clauses): Ditto.
3000         (convert_local_reference_stmt): Ditto.
3001         (convert_tramp_reference_stmt): Ditto.
3002         (convert_gimple_call): Ditto.
3003         (convert_nl_goto_reference): Use local iterator copy.
3004         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
3005         but taking pointer to sequence, ensure gsi_start is called with
3006         callers lvalue.
3007         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
3008         asserting that the sequence head didn't change.
3009         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
3010         walk_gimple_seq_mod.
3011         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
3012         (execute_lower_tm): Ditto, and set possibly changed body.
3013         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
3014         call gsi_start with that lvalue.
3015         (replace_goto_queue_stmt_list): Ditto.
3016         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
3017         (replace_goto_queue): Ditto.
3018         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
3019         (lower_try_finally_onedest): Ditto.
3020         (lower_try_finally_copy): Ditto.
3021         (lower_try_finally_switch): Ditto.
3022         (lower_try_finally): Ditto.
3023         (lower_eh_filter): Ditto.
3024         (lower_eh_must_not_throw): Ditto.
3025         (lower_cleanup): Ditto.
3026         (lower_eh_constructs_2): Ditto.
3027         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
3028         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
3029         set possibly changed body.
3030         (optimize_double_finally): Call gsi_start with lvalue.
3032         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
3033         (gimple_split_block): Ditto.
3034         (gimple_merge_blocks): Use gsi_start_phis.
3035         (move_stmt_r): Use walk_gimple_seq_mod.
3036         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
3037         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
3038         (rebuild_cgraph_edges): Ditto.
3039         (cgraph_rebuild_references): Ditto.
3040         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
3041         * tree-inline.c (copy_phis_for_bb): Ditto.
3042         * tree-ssa-dce.c: Ditto.
3044         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
3046 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
3047             Andi Kleen <ak@linux.intel.com>
3049         * coretypes.h (MEMMODEL_MASK): New.
3050         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
3051         and return new variable.
3052         (expand_builtin_atomic_exchange):  Mask memmodel values.
3053         (expand_builtin_atomic_compare_exchange): Ditto.
3054         (expand_builtin_atomic_load): Ditto.
3055         (expand_builtin_atomic_store): Ditto.
3056         (expand_builtin_atomic_clear): Ditto.
3057         * doc/extend.texi: Mention port-dependent memory model flags.
3058         * config/i386/cpuid.h (bit_HLE): New.
3059         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
3060         HLE support.
3061         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
3062         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
3063         (ix86_target_string)<-mhle>: New.
3064         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
3065         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
3066         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
3067         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
3068         enabled for generic, generic64 and core-avx2.
3069         (ix86_print_operand): Generate HLE lock prefixes.
3070         (ix86_memmodel_check): New.
3071         (TARGET_MEMMODEL_CHECK): Ditto.
3072         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
3073         (IX86_HLE_ACQUIRE): Ditto.
3074         (IX86_HLE_RELEASE): Ditto.
3075         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
3076         * config/i386/i386.opt (mhle): Ditto.
3077         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
3078         success model to instruction emitter.
3079         (atomic_fetch_add<mode>): Ditto.
3080         (atomic_exchange<mode>): Ditto.
3081         (atomic_add<mode>): Ditto.
3082         (atomic_sub<mode>): Ditto.
3083         (atomic_<code><mode>): Ditto.
3084         (*atomic_compare_and_swap_doubledi_pic): Ditto.
3085         (atomic_compare_and_swap_single<mode>): Define and use argument
3086         for success model.
3087         (atomic_compare_and_swap_double<mode>): Ditto.
3088         * configure.ac: Check if assembler support HLE prefixes.
3089         * configure: Regenerate.
3090         * config.in: Ditto.
3092 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3094         PR middle-end/53153
3095         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
3096         split out from ...
3097         (gimplify_switch_expr): ... here.
3098         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
3099         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
3100         to clean up case labels with values outside the index type range.
3101         (simplify_gimple_switch): Call it if something changed.
3102         Remove strange and unnecessary assert.
3104 2012-05-02  Richard Guenther  <rguenther@suse.de>
3106         * fold-const.c (div_if_zero_remainder): sizetypes no longer
3107         sign-extend.
3108         (int_const_binop_1): New worker for int_const_binop with
3109         overflowable parameter.  Pass it through to force_fit_type_double.
3110         (int_const_binop): Wrap around int_const_binop_1 with overflowable
3111         equal to one.
3112         (size_binop_loc): Call int_const_binop_1 with overflowable equal
3113         to minus one, forcing overflow detection for even unsigned types.
3114         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
3115         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
3116         * stor-layout.c (initialize_sizetypes): sizetypes no longer
3117         sign-extend.
3118         (layout_type): For zero-sized arrays ignore overflow on the
3119         size calculations.
3120         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
3121         (bit_value_binop_1): Likewise.
3122         * tree.c (double_int_to_tree): Likewise.
3123         (double_int_fits_to_tree_p): Likewise.
3124         (force_fit_type_double): Likewise.
3125         (host_integerp): Likewise.
3126         (int_fits_type_p): Likewise.
3127         * varasm.c (output_constructor_regular_field): Sign-extend the
3128         field-offset to cater for negative offsets produced by the Ada
3129         frontend.
3130         * omp-low.c (extract_omp_for_data): Convert the loop step to
3131         signed for pointer adjustments.
3133 2012-05-02  Richard Guenther  <rguenther@suse.de>
3135         * tree.c (valid_constant_size_p): New function.
3136         * tree.h (valid_constant_size_p): Declare.
3137         * cfgexpand.c (expand_one_var): Adjust check for too large
3138         variables by using valid_constant_size_p.
3139         * varasm.c (assemble_variable): Likewise.
3141         * c-decl.c (grokdeclarator): Properly check for sizes that
3142         cover more than half of the address-space.
3144 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
3146         PR tree-optimization/53163
3147         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
3148         return value from compute_all_dependences.
3150         PR rtl-optimization/53160
3151         * ree.c (combine_reaching_defs): Handle the case where cand->insn
3152         has been modified by ree pass already.
3154 2012-05-01  Ian Lance Taylor  <iant@google.com>
3156         PR c/37303
3157         * c-decl.c (build_compound_literal): Make the decl readonly if it
3158         an array of a readonly type.
3159         * gimplify.c (gimplify_compound_literal_expr): Add fallback
3160         parameter.  Change all callers.  If the decl is not addressable
3161         and is not an l-value, make it readonly.
3163 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
3165         * ira.c (allocated_reg_info_size): New static variable.
3166         (expand_reg_info): Manage it. Call
3167         setup_preferred_alternate_classes_for_new_pseudos.
3168         (ira): Don't do it here.  Remove local allocated_reg_info_size,
3169         set the global before calling find_moveable_pseudos.
3170         (find_moveable_pseudos): Call expand_reg_info rather than
3171         resize_reg_info.
3173 2012-05-01  Richard Henderson  <rth@redhat.com>
3175         * common.opt (fsync-libcalls): New.
3176         * doc/invoke.texi: Document it.
3177         * optabs.c (init_sync_libfuncs): Honor it.
3179 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
3180             Richard Sandiford  <r.sandiford@uk.ibm.com>
3182         PR rtl-optimization/52543
3183         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
3184         lower-subreg.h.
3185         * lower-subreg.h: New file.
3186         * target-globals.h (this_target_lower_subreg): Declare.
3187         (target_globals): Add lower_subreg;
3188         (restore_target_globals): Restore this_target_lower_subreg.
3189         * target-globals.c: Include it.
3190         (default_target_globals): Add default_target_lower_subreg.
3191         (save_target_globals): Initialize target_lower_subreg.
3192         * rtl.h (init_lower_subreg): Added declaration.
3193         * toplev.c (backend_init_target): Call initializer for lower-subreg
3194         pass.
3195         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
3196         (default_target_lower_subreg): New variable.
3197         (this_target_lower_subreg): Likewise.
3198         (twice_word_mode, choices): New macros.
3199         (shift_cost, compute_splitting_shift, compute_costs)
3200         (init_lower_subreg): New functions.
3201         (resolve_simple_move): Add speed_p argument.  Check choices.
3202         (find_pseudo_copy): Don't check the mode size here.
3203         (resolve_simple_move): Assert the mode size.
3204         (find_decomposable_shift_zext): Add speed_p argument and return
3205         a bool.  Check choices.
3206         (resolve_shift_zext): Add comment.
3207         (dump_shift_choices, dump_choices): New functions.
3208         (decompose_multiword_subregs): Dump list of profitable
3209         transformations.  Add code to skip non profitable transformations.
3210         Update calls to simple_move and find_decomposable_shift_zext.
3212 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
3213             Sameera Deshpande  <sameera.deshpande@arm.com>
3214             Greta Yorsh  <greta.yorsh@arm.com>
3216         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
3217         (thumb1_unexpanded_epilogue): ...this.
3218         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
3219         (thumb1_unexpanded_epilogue): ...this.
3220         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
3221         (thumb1_unexpanded_epilogue): ...this.
3223 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
3225         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
3226         comparing enumeration values.  Update comments.
3228 2012-05-01  Alan Modra  <amodra@gmail.com>
3230         PR target/53038
3231         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
3232         load_cr_save, add_crlr_cfa_restore): New functions.
3233         (rs6000_restore_saved_cr): Rename to..
3234         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
3235         (rs6000_emit_epilogue): Use new functions.  Adjust condition
3236         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
3237         regs when using out-of-line restore only when shrink wrapping.
3239 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
3241         PR middle-end/53136
3242         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
3243         calls to cgraph_node_name in xstrdup.
3244         (ipa_make_edge_direct_to_target): Ditto.
3245         * cgraph.c (dump_cgraph_node): Ditto.
3246         * tree-sra.c (convert_callers_for_node): Ditto.
3247         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
3248         * ipa-cp.c (perhaps_add_new_callers): Ditto.
3249         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
3250         (cgraph_materialize_all_clones): Ditto.
3251         * ipa-inline.c (report_inline_failed_reason): Ditto.
3252         (want_early_inline_function_p): Ditto.
3253         (edge_badness): Ditto.
3254         (update_edge_key): Ditto.
3255         (flatten_function): Ditto.
3256         (ipa_inline): Ditto.
3257         (inline_always_inline_functions): Ditto.
3258         (early_inline_small_functions): Ditto.
3260 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
3262         PR target/53141
3263         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
3264         constraints 0 and 1.
3266 012-04-30  Jan Hubicka  <jh@suse.cz>
3268         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
3269         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
3270         (cgraph_add_to_same_comdat_group): Remove.
3271         (cgraph_add_asm_node): Move to cgraphunit.c.
3272         (cgraph_make_decl_local): Move to symtab.c
3273         (cgraph_make_node_local_1): Update.
3274         (cgraph_can_remove_if_no_direct_calls_and): Update.
3275         (used_from_object_file_p): Update.
3276         (resolution_used_from_other_file_p): Move to symtab.c
3277         (cgraph_used_from_object_file_p): move to symtab.c
3278         (verify_cgraph_node): Verify same comdat groups.
3279         * cgraph.h (cgraph_asm_node): Rename to ...
3280         (asm_node): ... this one.
3281         (cgraph_asm_nodes): Rename to ...
3282         (asm_nodes): ... this one.
3283         (symtab_add_to_same_comdat_group): New function.
3284         (symtab_dissolve_same_comdat_group_list): New function.
3285         (symtab_used_from_object_file_p): Declare.
3286         (symtab_make_decl_local): Declare.
3287         (cgraph_add_to_same_comdat_group): Remove.
3288         (cgraph_add_asm_node): Remove.
3289         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
3290         Remove.
3291         (cgraph_finalize_compilation_unit): Rename to ...
3292         (finalize_compilation_unit): ... this one.
3293         (cgraph_optimize): Rename to ....
3294         (compile): ... this one.
3295         (add_asm_node): Declare.
3296         (fixup_same_cpp_alias_visibility): Declare.
3297         (cgraph_make_decl_local): Remove.
3298         (varpool_assemble_pending_decls): Rename to ...
3299         (varpool_output_variables): ... this one.
3300         (varpool_remove_unreferenced_decls): Remove.
3301         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
3302         (preserve_function_body_p): Make static.
3303         * toplev.c (compile_file): Update comments; update.
3304         * cgraphunit.c: Update comments.
3305         (cgraph_expand_all_functions): Rename to ...
3306         (expand_all_functions): ... this one; update.
3307         (cgraph_mark_functions_to_output): Rename to ...
3308         (mark_functions_to_output): ... this one; cleanup.
3309         (cgraph_output_pending_asms): Remove prototype.
3310         (asm_nodes, asm_last_node): New static vars.
3311         (cgraph_process_new_functions): Update.
3312         (cgraph_reset_node): Cleanup; add comment.
3313         (cgraph_add_new_function): Update.
3314         (cgraph_output_pending_asms): Rename to ...
3315         (output_asm_statements): ... this one.
3316         (add_asm_node): New function.
3317         (fixup_same_cpp_alias_visibility): New function based on code
3318         in cgraph_analyze_function.
3319         (cgraph_analyze_function): Use it.
3320         (cgraph_order_sort): Update.
3321         (cgraph_output_in_order): Update.
3322         (cgraph_function_versioning): Update.
3323         (cgraph_optimize): Rename to ...
3324         (compile): ... this one; initialize streamer hooks here.
3325         (cgraph_finalize_compilation_unit): Rename to ...
3326         (finalize_compilation_unit): ... this one; do not initialize streamer
3327         hook here.
3328         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
3329         * dwarf2out.c: Update ocmment.
3330         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
3331         * method.c (use_thunk): Likewise.
3332         * semantics.c (maybe_add_lambda_conv_op): Likewise.
3333         * decl2.c (maybe_emit_vtables): Likewise.
3334         (cp_write_global_declarations): Use finalize_compilation_unit.
3335         * parser.c (cp_parser_asm_definition): Use add_asm_node.
3336         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
3337         * c-decl.c (c_write_global_declarations): Use
3338         finalize_compilation_unit.
3339         * langhooks.c (write_global_declarations): Update.
3340         * ipa.c (cgraph_externally_visible_p): Update.
3341         (dissolve_same_comdat_group_list): Remove.
3342         (function_and_variable_visibility): Update.
3343         * symtab.c: Inlcude lto-streamer.h and rtl.h
3344         (ld_plugin_symbol_resolution_names): New.
3345         (symtab_add_to_same_comdat_group): New.
3346         (symtab_dissolve_same_comdat_group_list): New.
3347         (resolution_used_from_other_file_p): Move here from cgraph.c
3348         (symtab_used_from_object_file_p): New.
3349         (symtab_make_decl_local): New.
3350         * passes.c (register_pass): Update comments.
3351         * c-parser.c (c_parser_asm_definition): Update.
3352         * varpool.c (varpool_analyze_node): Use
3353         fixup_same_cpp_alias_visibility.
3354         (varpool_remove_unreferenced_decls): Make static.
3355         (varpool_assemble_pending_decls): Rename to ...
3356         (varpool_output_variables): ... this one; call
3357         varpool_remove_unreferenced_decls.
3358         (varpool_used_from_object_file_p): Remove.
3360 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
3362         PR c++/51033
3363         * c-typeck.c (build_array_ref): Call
3364         convert_vector_to_pointer_for_subscript.
3365         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
3367 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
3369         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
3370         to compile-time "mode == <MODE>mode" checks.
3371         (and splitter): Ditto.
3373 2012-04-30  Richard Henderson  <rth@redhat.com>
3375         * config/arm/arm.md (UNSPEC_LL): New.
3376         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
3377         (arm_load_exclusivedi): Use %H0.
3379 2012-04-30  Jason Merrill  <jason@redhat.com>
3381         * dwarf2out.c (comdat_symbol_id): Add const.
3382         (union die_symbol_or_type_node): Add const to die_symbol.
3383         (output_die_symbol, output_die, output_comp_unit): Adjust.
3385 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
3387         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
3388         * config/arm/neon.md (negdi2_neon): New insn.
3389         Also add splitters for core and NEON registers.
3391 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
3393         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
3394         (arm_print_operand): Add 'x' format.
3395         * config/arm/constraints.md (Dn): Allow const_int.
3396         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
3397         Use 'x' format to print constants.
3398         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
3399         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
3400         is enabled.
3401         (movdi_vfp_cortexa8): Likewise.
3403 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
3404             Sameera Deshpande  <sameera.deshpande@arm.com>
3405             Greta Yorsh  <greta.yorsh@arm.com>
3407         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
3408         * config/arm/arm.c (ldm_stm_operation_p): New function.
3409         * config/arm/predicates.md (load_multiple_operation): Update predicate.
3410         (store_multiple_operation): Likewise.
3412         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
3413         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
3414         * config/arm/predicates.md (load_multiple_operation): Add arguments.
3415         (store_multiple_operation): Likewise.
3417 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
3419         * config/i386/i386.md (and<mode>3): Expand masking operations with
3420         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
3421         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
3423 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
3425         Add -Wvarargs option
3426         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
3427         argument for the various warning_at calls.
3428         * docs/invoke.texi: Update the documentation.
3430 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
3432         Switch -ftrack-macro-expansion=2 on by default.
3433         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
3434         by default.
3436         Fix va_start related location
3437         * builtins.c (fold_builtin_next_arg): Unwinds to the first
3438         location in real source code.
3440         Make conversion warnings work on NULL with -ftrack-macro-expansion
3441         * input.h (expansion_point_location_if_in_system_header): Declare
3442         new function.
3443         * input.c (expansion_point_location_if_in_system_header): Define it.
3445         Fix -Wuninitialized for -ftrack-macro-expansion
3446         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
3447         declaration.  Use linemap_location_before_p for source locations.
3449         Strip "<built-in>" loc from displayed expansion context
3450         * input.c (expand_location_1): When expanding to spelling location
3451         in a context of a macro expansion, skip reserved system header
3452         locations.  Update comments.  * tree-diagnostic.c
3453         (maybe_unwind_expanded_macro_loc): Likewise.
3455         Make expand_location resolve to locus in main source file
3456         * input.c (expand_location_1): New.  Takes a parameter to choose
3457         whether to resolve the location to spelling or expansion point.
3458         Was factorized from ...
3459         (expand_location): ... here.
3460         (expand_location_to_spelling_point): New.  Implemented in terms of
3461         expand_location_1.
3462         * diagnostic.c (diagnostic_build_prefix): Use the new
3463         expand_location_to_spelling_point instead of expand_location.
3465         Fix PCH crash on GTYed pointer-to-scalar field of a struct
3466         * gengtype.c (write_types_process_field): Force second argument of
3467         the call to the PCH object hierarchy walker to be 'x'.
3469 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3471         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
3472         predicate to discriminate types.
3474 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3476         * doc/invoke.texi (Wmissing-format-attribute): Document as an
3477         alias of Wsuggest-attribute=format.
3478         * c-typeck.c (convert_for_assignment): Replace
3479         Wmissing-format-attribute with Wsuggest-attribute=format.
3480         (digest_init): Likewise.
3482 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3484         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
3485         * common.opt (Wmissing-noreturn): Alias of
3486         -Wsuggest-attribute=noreturn.
3488 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
3490         PR target/53156
3491         * config/cris/cris.md (andqu): New peephole2.
3492         (andu): Tweak head comment.
3494 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
3495             Steven Bosscher  <steven@gcc.gnu.org>
3496             Maxim Kuvyrkov  <maxim@codesourcery.com>
3498         PR tree-optimization/38785
3499         * common.opt (ftree-partial-pre): New option.
3500         * doc/invoke.texi: Document it.
3501         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
3502         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
3503         benefit speed path.
3504         (execute_pre): Use flag_tree_partial_pre.
3506 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3508         PR target/52999
3509         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
3510         in constant pool.
3512 2012-04-27  Ollie Wild  <aaw@google.com>
3514         * doc/invoke.texi (Wliteral-suffix): Document new option.
3516 2012-04-27  Tom Tromey  <tromey@redhat.com>
3518         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
3519         (dwarf_tag_name): Use get_DW_TAG_name.
3520         (dwarf_attr_name): Use get_DW_AT_name.
3521         (dwarf_form_name): Use get_DW_FORM_name.
3522         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
3524 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
3526         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
3527         arguments are -1 and 0, by negating the result of the conditional.
3529 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
3531         PR target/53138
3532         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3534 2012-04-27  Richard Guenther  <rguenther@suse.de>
3536         * tree-flow.h (is_hidden_global_store): Remove.
3537         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
3538         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
3539         (stmt_may_clobber_global_p): Likewise.
3540         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
3541         (stmt_may_clobber_global_p): Likewise.
3542         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
3543         stmt_may_clobber_global_p.
3544         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
3546 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3548         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
3549         place.
3551         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
3552         reorganize some fields and update comments.  Rename bit_test_uniq
3553         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
3554         (collect_switch_conv_info): New function, collects info about a
3555         GIMPLE_SWITCH into a struct switch_conv_info.
3556         (check_range): Simplify to use pre-recorded info.  Fix think-o in
3557         range-branch ratio check.
3558         (check_process_case): Remove function.
3559         (check_all_empty_except_final): New function, verifies that all
3560         non-final basic blocks are empty.
3561         (process_switch): Simplify to use pre-recorded info.  Call
3562         collect_switch_conv_info to do that.  Assert that degenerate switch
3563         statements have been cleaned up.
3565 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
3567         PR middle-end/27139
3568         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
3570 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3572         PR c/53130
3573         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
3575 2012-04-27  Tom de Vries  <tom@codesourcery.com>
3577         PR tree-optimization/51879
3578         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
3579         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
3580         of ...
3581         (defs_to_varying): ... here.  Don't set use_processed.
3582         (visit_reference_op_call): Handle gimple_vdef.
3583         Handle case that lhs is NULL_TREE.
3584         (visit_use): Use mark_use_processed.  Handle calls with side-effect
3585         using visit_reference_op_call.
3587 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3589         * sched-deps.c (fixup_sched_groups): Rename to...
3590         (chain_to_prev_insn): ...this.
3591         (chain_to_prev_insn_p): New function.
3592         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
3594 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3596         * sched-int.h (_haifa_insn_data): Move priority_status.
3597         Add model_index.
3598         (INSN_MODEL_INDEX): New macro.
3599         * haifa-sched.c (insn_delay): New function.
3600         (sched_regno_pressure_class): Update commentary.
3601         (mark_regno_birth_or_death): Pass the liveness bitmap and
3602         pressure array as arguments, instead of using curr_reg_live and
3603         curr_reg_pressure.  Only update the pressure if the bit in the
3604         liveness set has changed.
3605         (initiate_reg_pressure_info): Always trust the live-in set for
3606         SCHED_PRESSURE_MODEL.
3607         (initiate_bb_reg_pressure_info): Update call to
3608         mark_regno_birth_or_death.
3609         (dep_list_size): Take the list as argument.
3610         (calculate_reg_deaths): New function, extracted from...
3611         (setup_insn_reg_pressure_info): ...here.
3612         (MODEL_BAR): New macro.
3613         (model_pressure_data, model_insn_info, model_pressure_limit)
3614         (model_pressure_group): New structures.
3615         (model_schedule, model_worklist, model_insns, model_num_insns)
3616         (model_curr_point, model_before_pressure, model_next_priority):
3617         New variables.
3618         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
3619         (MODEL_INSN_INFO, MODEL_INSN): New macros.
3620         (model_index, model_update_limit_points_in_group): New functions.
3621         (model_update_limit_points, model_last_use_except): Likewise.
3622         (model_start_update_pressure, model_update_pressure): Likewise.
3623         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
3624         (model_excess_cost, model_dump_pressure_points): Likewise.
3625         (model_set_excess_costs): Likewise.
3626         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
3627         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
3628         schedule as an alternative tie-breaker.  Update the call to
3629         dep_list_size.
3630         (ready_sort): Call model_set_excess_costs.
3631         (update_register_pressure): Update call to mark_regno_birth_or_death.
3632         Rely on that function to check liveness rather than doing it here.
3633         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
3634         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
3635         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
3636         (model_record_pressure, model_record_pressures): New functions.
3637         (model_record_final_pressures, model_add_successors_to_worklist)
3638         (model_promote_predecessors, model_choose_insn): Likewise.
3639         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
3640         (model_start_schedule, model_finalize_pressure_group): Likewise.
3641         (model_end_schedule): Likewise.
3642         (schedule_insn): Say when we're scheduling the next instruction
3643         in the model schedule.
3644         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
3645         (queue_to_ready): Do not add instructions that are
3646         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
3647         Always allow the next instruction in the model schedule to be added.
3648         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3649         and delay for SCHED_PRESSURE_MODEL too.
3650         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
3651         SCHED_PRIORITY_MODEL, but also take the DFA into account.
3652         (schedule_block): Call model_start_schedule and model_end_schedule.
3653         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
3654         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3655         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
3656         region_ref_regs.
3657         (sched_finish): Update accordingly.
3658         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3659         to SCHED_PRESSURE_MODEL.
3660         (add_jump_dependencies): Update call to dep_list_size.
3661         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
3662         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3663         to SCHED_PRESSURE_MODEL.
3664         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
3665         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
3666         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3667         handling to SCHED_PRESSURE_MODEL.
3669 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3671         * common.opt (fsched-pressure-algorithm=): New option.
3672         * flag-types.h (sched_pressure_algorithm): New enum.
3673         * sched-int.h (sched_pressure_p): Replace with...
3674         (sched_pressure): ...this new variable.
3675         * haifa-sched.c (sched_pressure_p): Replace with...
3676         (sched_pressure): ...this new variable.
3677         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
3678         (update_reg_and_insn_max_reg_pressure, schedule_insn)
3679         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
3680         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
3681         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
3682         (sched_analyze_insn): Likewise.
3683         * sched-rgn.c (schedule_region): Likewise.
3684         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
3686 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
3688         * PR middle-end/52997
3689         * ira.c (find_moveable_pseudos): Call resize_reg_info.
3691         PR middle-end/52940
3692         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
3693         * expr.c (convert_move): Honor unsignedp when extending partial int
3694         modes.
3695         * genmodes.c (complete_mode): Don't clear component field of partial
3696         int modes.
3697         (emit_mode_inner): Don't emit it however.
3698         (calc_wider_mode): Partial int modes widen to their component.
3700 2012-04-26  David S. Miller  <davem@davemloft.net>
3702         * config/sparc/niagara4.md: New file.
3703         * config/sparc/sparc.md: Include it.
3704         * config/sparc/sparc.c (niagara4_costs): New processor costs.
3705         (sparc_option_override): Use it.
3706         (sparc_use_sched_lookahead): Return 2 for niagara4.
3707         (sparc_issue_rate): Likewise.
3709         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
3710         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
3711         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
3712         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
3713         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
3714         alignaddrldi_vis): Set type to gsr.
3715         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
3716         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
3717         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
3718         v<vis3_shift_patname><mode>3, fmean16_vis,
3719         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
3720         fucmp<code>8<P:mode>_vis): Set type to fga.
3721         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
3722         * config/sparc/niagara.md: Likewise.
3723         * config/sparc/niagara2.md: Likewise.
3724         * config/sparc/ultra3.md: Likewise, and fix type matching for
3725         us3_ialuX reservation.
3727 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3729         * reload.c (find_reloads): Change the loop nesting when trying an
3730         alternative with swapped operands.
3732 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3734         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
3735         comment. Delete unused parameter first_exp_point_map.
3736         (virt_loc_aware_diagnostic_finalizer): Update call.
3738 2012-04-26  Michael Hope  <michael.hope@linaro.org>
3739             Richard Earnshaw  <rearnsha@arm.com>
3741         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
3742         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
3743         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
3744         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
3746 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
3748         * doc/extend.texi: Document avx2 support.
3749         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
3751 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
3753         PR target/53120
3754         * config/cris/cris.md ("*andhi_lowpart_v32")
3755         ("*andqi_lowpart_v32"): Change first input-only operand from
3756         a (match_operand ...) to (match_dup 0).  Drop alternatives with
3757         const_int-matching constraints for redundancy.
3758         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
3759         three-operand alternative.
3761 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3763         PR target/53110
3764         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
3765         instead expand it as zero extension.
3767 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3769         PR debug/52857
3770         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
3772 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3774         * common.opt (flag_debug_types_section): Default to 0.
3775         (dwarf_version): Default to 4.
3776         (dwarf_record_gcc_switches): Default to 1.
3777         (dwarf_strict): Default to 0.
3778         * toplev.c (process_options): Don't handle dwarf_strict
3779         or dwarf_version here.
3780         * config/vxworks.c (vxworks_override_options): Don't
3781         test whether dwarf_strict or dwarf_version are negative,
3782         instead test !global_options_set.x_dwarf_*.
3783         * config/darwin.c (darwin_override_options): Default to
3784         dwarf_version 2.
3785         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
3786         and -fno-debug-types-section are now the default.
3788 2012-04-25  Jan Hubicka  <jh@suse.cz>
3790         * cgraphunit.c: Update toplevel comment.
3791         (tree_rest_of_compilation): Merge into cgraph_expand_function.
3792         (cgraph_analyze_function): Make static.
3793         (cgraph_decide_is_function_needed): Make static.
3794         (cgraph_add_new_function): Use expand_function instead of
3795         rest_of_compilation.
3796         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3797         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3798         Move to cgraph.c
3799         (cgraph_inline_p): Remove.
3800         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
3801         (init_cgraph): Add comment.
3802         * cgraphbuild.c (record_reference, mark_address, mark_load,
3803         mark_store): Do not call analyze_expr hook.
3804         * cgraph.c: Update toplevel comment.
3805         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3806         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3807         Move fere from cgraphunit.c
3808         (cgraph_mark_force_output_node): Move to cgraph.h
3809         * cgraph.h: Reorder so the comments match the function placement.
3810         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
3811         (cgraph_mark_force_output_node): Move here from cgraph.c
3812         * tree.c (free_lang_data): Do not clear analyze_expr hook.
3813         * ipa-inline-transform.c (preserve_function_body_p): New function.
3814         (inline_transform): Update.
3815         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
3816         * langhooks.h (lang_hooks_for_callgraph): Remove.
3817         (lang_hooks): Remove callgraph.
3818         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
3819         * varpool.c: Remove out of date comment.
3820         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
3821         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
3823 2012-04-25  Jan Hubicka  <jh@suse.cz>
3825         PR middle-end/53089
3826         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
3827         forward declaration.
3828         (cgraph_finalize_function): Finalize them here.
3829         * symtab.c (dump_symtab): Dump ctors and dtors.
3831 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3833         PR middle-end/52979
3834         * stor-layout.c (get_best_mode): Don't return mode with bitsize
3835         larger than maxbits.  Don't compute maxbits modulo align.
3836         Also check that unit bytes long store at bitpos / unit * unit
3837         doesn't affect bits beyond bitregion_end.
3838         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
3839         would not fit into bitregion_start ... bitregion_end + 1 bit region.
3840         (store_split_bit_field): Decrease unit close to end of bitregion_end
3841         if access is restricted in order to avoid mutual recursion.
3843         PR tree-optimization/53058
3844         * double-int.h (double_int_max_value, double_int_min_value): New
3845         prototypes.
3846         * double-int.c (double_int_max_value, double_int_min_value): New
3847         functions.
3848         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
3849         or GT_EXPR with double_int_max_value instead of double_int_mask.
3851 2012-04-25  Richard Guenther  <rguenther@suse.de>
3853         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
3854         * tree-vect-loop.c (vect_transform_loop): Adjust.
3855         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
3856         the maximum number of iterations for the epilogue loop.
3857         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
3859 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3861         PR c/52880
3862         * c-typeck.c (set_nonincremental_init,
3863         set_nonincremental_init_from_string): Pass true instead of false
3864         as IMPLICIT to add_pending_init.
3866 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3868         * c-typeck.c (pop_init_level): Improve diagnostics.
3870 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
3872         * compare-elim.c (try_eliminate_compare): Also handle operands with
3873         implicit extensions.
3875 2012-04-25  Alan Modra  <amodra@gmail.com>
3877         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
3878         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
3879         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
3880         (no_global_regs_above): Delete.
3881         (no_global_regs): New function.
3882         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
3883         value for load multiple test.
3884         (savres_routine_syms): Increase size.
3885         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
3886         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
3887         rather than a number of boolean flags.  Update all callers.
3888         (rs6000_savres_routine_name): Generate vector save/restore names.
3889         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
3890         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
3891         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
3892         and using_store_multiple.  Expand uses.  Don't always use r11 as
3893         frame reg when needed for out-of-line saves.  Set up initial offset
3894         for out-of-line vector saves when buying stack frame.  Handle pointer
3895         reg setup for out-of-line fp save.  Emit call to out-of-line vector
3896         save function.  Choose r11 or r12 for vrsave reg when available for
3897         better scheduling.
3898         (rs6000_output_function_prologue): Don't emit .extern for ELF.
3899         (rs6000_emit_epilogue): Choose a better frame reg when restoring
3900         from back-chain to suit out-of-line vector restore functions.  Emit
3901         call to out-of-line vector restore function.  Adjust register used
3902         for cr restore.  Tweak pointer register setup for gpr restore.
3903         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
3904         FIXED_R13.
3905         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
3906         (V_SAVE_INLINE): Define.
3907         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
3909 2012-04-25  Alan Modra  <amodra@gmail.com>
3911         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
3912         out-of-line save/restore for large frames.  Don't disable
3913         out-of-line saves on ABI_AIX when using static chain reg.
3914         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
3915         clobber static chain reg, and tweak for out-of-line gpr saves
3916         that use r1.
3918 2012-04-25  Alan Modra  <amodra@gmail.com>
3920         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
3921         (rs6000_emit_prologue): Use the above to catch register overlap.
3923 2012-04-25  Alan Modra  <amodra@gmail.com>
3925         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
3926         decl.  Move logic selecting update reg to callers.  Update all callers.
3927         (rs6000_emit_allocate_stack): Add copy_off param.
3928         (emit_frame_save): Don't handle reg+reg addressing.
3929         (ptr_regno_for_savres): New function, extracted from..
3930         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
3931         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
3932         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
3933         frame offset adjustment for out-of-line save with copy from sp.
3934         Simplify condition controlling whether cr is saved early or
3935         late.  Use ptr_regno_for_savres to verify correct reg is set
3936         up for out-of-line saves.  Pass the actual pointer reg used to
3937         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
3938         function.  Rearrange spe vars so code is similar to that
3939         elsewhere in this function.  Don't update frame_off when spe
3940         save code will restore r11.  Use emit_frame_save for spe and
3941         gpr saves.  Consolidate darwin out-of-line gpr setup with that
3942         for other abis.  Don't assume frame_offset is zero and frame
3943         reg is sp when setting up altivec reg saves, and calculate
3944         exact offset requirement.
3945         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
3946         spe restore code.  Consolidate darwin out-of-line gpr setup
3947         with that for other abis.
3949 2012-04-25  Alan Modra  <amodra@gmail.com>
3951         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
3952         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
3953         the replacement.
3954         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
3955         frame_reg_to_sp.
3956         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
3957         and emit_frame_save calls.  Cope with possibly missing note.
3959 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
3961         * config/i386/i386.c (build_processor_model_struct): New function.
3962         (make_var_decl): New function.
3963         (fold_builtin_cpu): New function.
3964         (ix86_fold_builtin): New function.
3965         (make_cpu_type_builtin): New function.
3966         (ix86_init_platform_type_builtins): New function.
3967         (ix86_expand_builtin): Expand new builtins by folding them.
3968         (ix86_init_builtins): Make new builtins to detect CPU type.
3969         (TARGET_FOLD_BUILTIN): New macro.
3970         (IX86_BUILTIN_CPU_INIT): New enum value.
3971         (IX86_BUILTIN_CPU_IS): New enum value.
3972         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
3973         * config/i386/i386-builtin-types.def: New function type.
3974         * testsuite/gcc.target/builtin_target.c: New testcase.
3975         * doc/extend.texi: Document builtins.
3977 2012-04-24  Olivier Hainque  <hainque@adacore.com>
3979         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
3980         * toplev.c (process_options): Default to dwarf_version 2.
3981         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
3982         and dwarf_version 2.
3984 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3986         * tree-pretty-print.h (default_tree_printer): Do not declare.
3987         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
3988         intl.h.
3989         (default_tree_diagnostic_starter): Make static.
3990         (default_tree_printer): Move to here. Make static.
3991         (tree_diagnostics_defaults): New.
3992         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
3993         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
3994         * toplev.c: Do not include tree-pass.h.
3995         (default_tree_printer): Move from here.
3996         (general_init): Use tree_diagnostics_defaults.
3998 2012-04-24  Chao-ying Fu  <fu@mips.com>
4000         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
4001         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
4002         * config/mips/gnu-user.h
4003         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
4004         (GNU_USER_TARGET_LINK_SPEC): New define.
4005         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4006         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
4007         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
4008         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
4009         GNU_USER_TARGET_ENDFILE_SPEC.
4010         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
4011         (GNU_USER_TARGET_LINK_SPEC): New define.
4012         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4013         * config/mips/linux-common.h: New file.
4015 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4017         PR target/47197
4018         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
4019         (altivec_build_resolved_builtin): Call fully_fold_convert.
4021 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
4023         PR target/53065
4024         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
4026 2012-04-24  Richard Guenther  <rguenther@suse.de>
4028         PR tree-optimization/53085
4029         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
4030         stores.
4032 2012-04-24  Richard Guenther  <rguenther@suse.de>
4034         * tree-if-conv.c (main_tree_if_conversion): Move bb under
4035         ENABLE_CHECKING.
4037 2012-04-24  Jim Meyering  <meyering@redhat.com>
4039         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
4040         absence of an define_enum call.
4042 2012-04-24  Richard Guenther  <rguenther@suse.de>
4044         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
4045         the epilogue loop is not re-used as unvectorized version
4046         record the its maximum number of iterations.
4048 2012-04-24  Andrew Pinski  <apinski@cavium.com>
4050         * tree-ssa-forwprop.c (simplify_bitwise_binary):
4051         Don't directly use def1/def2.
4053 2012-04-24  Richard Guenther  <rguenther@suse.de>
4055         PR tree-optimization/53098
4056         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
4057         comparison sign.
4059 2012-04-24  Andrew Pinski  <apinski@cavium.com>
4061         PR tree-opt/33512
4062         * tree-ssa-forwprop.c (defcodefor_name): New function.
4063         (simplify_bitwise_binary): Use defcodefor_name instead of manually
4064         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
4065         Simplify "(~X | Y) & X" to "X & Y" and
4066         "(~X & Y) | X" to "X | Y".
4068 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4070         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
4071         validate_change to add clobbers if IN_GROUP is nonzero.
4072         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
4073         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
4074         prototype.
4075         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
4076         set to false.
4077         * config/s390/s390.c (insn_invalid_p): Likewise.
4079 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
4081         PR middle-end/53084
4082         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
4083         (output_addressed_constants): Likewise.
4085         PR middle-end/52999
4086         * varasm.c (get_section): Don't ICE for section conflicts with
4087         built-in section kinds.
4089 2012-04-23  DJ Delorie  <dj@redhat.com>
4091         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
4092         (LIBSTDCXX): Change to CPP2.
4094 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
4096         PR bootstrap/52878
4097         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
4098         extra_masks.
4100 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
4102         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
4103         (*addsi_2_zext): Ditto.
4104         (*add<mode>_3): Ditto.
4105         (*addsi_3_zext): Ditto.
4106         (*add<mode>_5): Ditto.
4108 2012-04-23  Andrew Pinski  <apinski@cavium.com>
4110         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
4111         (C & B) to (A OP0) & B.
4113 2012-04-23  Martin Jambor  <mjambor@suse.cz>
4115         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
4116         temporaries created for a bitfield (reverting revision 122014).
4118 2012-04-23  Richard Guenther  <rguenther@suse.de>
4120         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
4121         the condition using is_gimple_condexpr and avoid the not necessary
4122         boolification.
4123         (set_prologue_iterations): Likewise.
4124         (vect_loop_versioning): Likewise.
4126 2012-04-23  Richard Guenther  <rguenther@suse.de>
4128         PR tree-optimization/53070
4129         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
4130         (main_tree_if_conversion): Verify we succeeded in that.
4132 2012-04-23  Jan Hubicka  <jh@suse.cz>
4134         * lto-symtab.c (lto_cgraph_replace_node): Do not call
4135         mark_reahcable_node.
4136         * cgraph.c (cgraph_remove_node): Do not clear reachable.
4137         (cgraph_mark_reachable_node): Remove.
4138         (cgraph_mark_force_output_node): Do not set reachable.
4139         (dump_cgraph_node): Do not dump reachable.
4140         (cgraph_create_virtual_clone): Do not set reachable.
4141         * cgraph.h (cgraph_node): Remove reachable flag.
4142         (varpool_node): Remove reachable flag.
4143         (cgraph_mark_if_needed): Remove.
4144         (cgraph_mark_reachable_node): Remove.
4145         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
4146         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
4147         reachable.
4148         (cgraph_add_new_function): Likewise.
4149         (cgraph_mark_if_needed): Remove.
4150         (cgraph_analyze_function): Do not set target as reachable.
4151         (process_function_and_variable_attributes): Do not care about
4152         dllexport.
4153         (cgraph_analyze_functions): Do not set reachable flags.
4154         (cgraph_mark_functions_to_output): Do not check reachability.
4155         (cgraph_copy_node_for_versioning): Do not set reachable flag.
4156         (dbxout_expand_expr): Update.
4157         * c-decl.c (merge_decls): Do not track changed externs.
4158         * ipa.c: Include pointer-set.h
4159         (enqueue_cgraph_node): Use reachable pointer set.
4160         (process_references): Likewise.
4161         (cgraph_remove_unreachable_nodes): Likewise.
4162         (whole_program_function_and_variable_visibility): Do not recompute
4163         reachable.
4164         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
4166 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
4168         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
4170 2012-04-23  Richard Guenther  <rguenther@suse.de>
4172         PR c/53060
4173         * c-typeck.c (build_binary_op): Fix typo.
4175 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
4177         PR tree-optimizations/52891
4178         * tree-vect-patterns.c (adjust_bool_pattern): Use
4179         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
4180         but with non-standard precision.
4182 2012-04-22  Jan Hubicka  <jh@suse.cz>
4184         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
4185         tree refs.
4187 2012-04-22  Jan Hubicka  <jh@suse.cz>
4189         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
4190         * cgraphbuild.c (record_reference, record_type_list, mark_address,
4191         mark_load, mark_store): Do not mark varpool nodes as needed.
4192         * cgraph.c (cgraph_new_nodes): Remove.
4193         (cgraph_create_function_alias): Do not mark nodes as reachable.
4194         (cgraph_add_thunk): Likewise.
4195         (cgraph_mark_reachable_node): Do not manage the queue.
4196         * cgraph.h (cgraph_node): Remove next_needed.
4197         (varpool_nodes_queue): Remove next_needed and prev_needed.
4198         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
4199         (cgraph_new_nodes): Declare.
4200         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
4201         (varpool_analyze_pending_decls): Remove.
4202         (varpool_analyze_node): New.
4203         (varpool_mark_needed_node): Remove.
4204         (varpool_first_variable, varpool_next_variable): New inlines.
4205         (varpool_first_static_initializer, varpool_next_static_initializer):
4206         Update.
4207         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
4208         (varpool_first_defined_variable): New inline.
4209         (varpool_next_defined_variable): New inline
4210         (FOR_EACH_VARIABLE): Reimplement.
4211         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
4212         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
4213         needed flag.
4214         * cgraphunit.c (cgraph_new_nodes): Declare here.
4215         (enqueue_node): New function.
4216         (cgraph_process_new_functions): update for new
4217         node set; when constructing cgraph enqueue node for processing.
4218         (cgraph_add_new_function): Use new node set.
4219         (process_function_and_variable_attributes): Do not set varpool needed
4220         flags.
4221         (referred_to_p): New function.
4222         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
4223         when varpool is in construction.
4224         (cgraph_analyze_functions): Rewrite.
4225         (cgraph_expand_all_functions): Update.
4226         (cgraph_output_in_order): Do not analyze pending decls; do not set
4227         needed flags.
4228         (cgraph_optimize): Do not analyze pending decls.
4229         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
4230         in other partition; do not mark node as needed.
4231         * dwarf2out.c (reference_to_unused): Use analyzed flag.
4232         (premark_types_used_by_global_vars_helper): Likewise.
4233         * ipa.c (process_references): Do not call varpool_mark_needed_node.
4234         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
4235         cgrpah queues.
4236         (function_and_variable_visibility): Do not mark node as needed.
4237         (whole_program_function_and_variable_visibility): Likewise.
4238         * Makefile.in (gt-varpool.h): No longer needed.
4239         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
4240         (ipa_write_summaries): Do not use needed flag.
4241         * varpool.c: Do not include gt-varpool.h
4242         (x_varpool_nodes_queue, x_varpool_last_needed_node,
4243         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
4244         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
4245         Remove.
4246         (varpool_remove_node): Do not update the lists.
4247         (dump_varpool_node): Do not dump needed flag.
4248         (varpool_enqueue_needed_node): Remove.
4249         (varpool_mark_needed_node): Remove.
4250         (varpool_reset_queue): Remove.
4251         (varpool_finalize_decl): Move to cgraphunit.c
4252         (varpool_analyze_node): New functions based on former
4253         varpool_analyze_pending_decls.
4254         (varpool_analyze_pending_decls): Remove.
4255         (varpool_assemble_decl): Do not update the lists.
4256         (enqueue_node): New function.
4257         (varpool_remove_unreferenced_decls): Rewrite.
4258         (varpool_empty_needed_queue): Remove.
4259         (add_new_static_var): Do not mark node as needed.
4260         (varpool_create_variable_alias): Handle expansion state
4261         creation.
4262         * except.c (output_ttype): Do not mark node as needed.
4263         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
4264         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
4265         Likewise.
4266         * tree-switch-conversion.c (build_one_array): Likewise.
4268 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4270         PR c/44774
4271         * doc/invoke.texi (pedantic): Rename to Wpedantic.
4272         * common.opt (Wpedantic): New.
4273         (pedantic): Alias Wpedantic.
4274         * diagnostic.c (warning_at): Likewise.
4275         * c-decl.c (diagnose_mismatched_decls): Likewise.
4276         (build_array_declarator): Likewise.
4277         (mark_forward_parm_decls):
4278         (check_bitfield_type_and_width): Likewise.
4279         (grokdeclarator): Likewise.
4280         (grokfield): Likewise.
4281         (finish_struct): Likewise.
4282         (build_enumerator): Likewise.
4283         (store_parm_decls_oldstyle): Likewise.
4284         (declspecs_add_qual): Likewise.
4285         (declspecs_add_type): Likewise.
4286         (finish_declspecs): Likewise.
4287         * c-typeck.c (composite_type): Likewise.
4288         (comp_target_types): Likewise.
4289         (build_array_ref): Likewise.
4290         (pointer_diff): Likewise.
4291         (build_unary_op): Likewise.
4292         (build_conditional_expr): Likewise.
4293         (build_c_cast): Likewise.
4294         (convert_for_assignment): Likewise.
4295         (maybe_warn_string_init): Likewise.
4296         (digest_init): Likewise.
4297         (pop_init_level): Likewise.
4298         (set_init_index): Likewise.
4299         (c_finish_goto_label): Likewise.
4300         (c_finish_return): Likewise.
4301         (do_case): Likewise.
4302         (build_binary_op): Likewise.
4303         * c-parser.c (static): Likewise.
4304         (c_parser_external_declaration): Likewise.
4305         (c_parser_declaration_or_fndef): Likewise.
4306         (c_parser_static_assert_declaration_no_se): Likewise.
4307         (c_parser_enum_specifier): Likewise.
4308         (c_parser_struct_or_union_specifier): Likewise.
4309         (c_parser_struct_declaration): Likewise.
4310         (c_parser_alignas_specifier): Likewise.
4311         (c_parser_braced_init): Likewise.
4312         (c_parser_initelt): Likewise.
4313         (c_parser_compound_statement_nostart): Likewise.
4314         (c_parser_conditional_expression): Likewise.
4315         (c_parser_alignof_expression): Likewise.
4316         (c_parser_postfix_expression): Likewise.
4317         (c_parser_postfix_expression_after_paren_): Likewise.
4318         (c_parser_objc_class_instance_variables): Likewise.
4319         (c_parser_objc_method_definition): Likewise.
4320         (c_parser_objc_methodprotolist): Likewise.
4322 2012-04-22  Ian Lance Taylor  <iant@google.com>
4324         * godump.c (go_output_typedef): Dump size of structs.
4326 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
4328         Correcting transform_to_exit_first_loop + fix to PR46886
4329         * tree-parloops.c (transform_to_exit_first_loop): Remove
4330         setting of number of iterations according to the loop pattern.
4331         Duplicate from entry to exit->src instead of loop->latch.
4332         (pallelize_loops): Remove the condition preventing do-while loops.
4333         * tree-cfg.c (bool bb_in_region_p): New.
4334         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
4335         Adjust redirection of the duplicated iteration.
4337 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
4339         PR bootstrap/53021
4340         * rtl.def (ADDRESS): Use "i" rather than "w".
4341         * rtl.h (find_base_term): Delete.
4342         (may_be_sp_based_p): Declare.
4343         * rtl.c (rtx_code_size): Remove ADDRESS special case.
4344         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
4345         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
4346         * alias.c: ...here.
4347         (find_base_term): Make static.
4348         (may_be_sp_based_p): New function.
4349         * dse.c (record_store): Use it.
4350         * store-motion.c (store_killed_in_insn): Likewise.
4352 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
4354         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
4356 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4358         PR 35441
4359         * c-typeck.c (inform_declaration): New.
4360         (build_function_call_vec):  Do not pretty-print
4361         expressions when caret is enabled.
4362         (convert_arguments): Use inform_declaration.
4364 2012-04-20  Jim Meyering  <meyering@redhat.com>
4366         * genmodes.c (make_complex_modes): Don't truncate a mode name of
4367         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
4369 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4371         PR rtl-optimization/44214
4372         * fold-const.c (exact_inverse): New function.
4373         (fold_binary_loc): Fold vector and complex division by constant into
4374         multiply by recripocal with flag_reciprocal_math; fold vector division
4375         by constant into multiply by reciprocal with exact inverse.
4377 2012-04-20  Jan Hubicka  <jh@suse.cz>
4379         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
4380         force flags.
4381         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
4382         (cgraph_remove_node): Update.
4383         (cgraph_mark_needed_node): Remove.
4384         (cgraph_mark_force_output_node): New.
4385         (dump_cgraph_node): Do not dump needed flag.
4386         (cgraph_node_cannot_be_local_p_1): Update.
4387         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
4388         * cgraph.h (symtab_node_base): Add force_output flag.
4389         (cgraph_node): Remove needed flag.
4390         (varpool_node): Remove force_output flag.
4391         (cgraph_mark_needed_node): Remove.
4392         (cgraph_mark_force_output_node): New.
4393         (cgraph_only_called_directly_or_aliased_p,
4394         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
4395         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
4396         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
4397         (cgraph_add_new_function): Update.
4398         (cgraph_mark_if_needed): Update.
4399         (verify_cgraph_node): Update.
4400         (cgraph_analyze_function): Alias target is reachable.
4401         (process_function_and_variable_attributes): Update: externally_visible
4402         flag makes function reachable.
4403         (cgraph_analyze_functions): Update dumping.
4404         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
4405         input_overwrite_node, input_varpool_node): Update streaming.
4406         * lto-streamer-out.c (produce_symtab): Use force_output.
4407         * ipa.c (process_references): Weakrefs must be processed.
4408         (cgraph_remove_unreachable_nodes): Likewise; update for new
4409         force_output flag.
4410         (varpool_externally_visible_p): Weakrefs are externally visible
4411         even if they are not.
4412         (function_and_variable_visibility): Update; when processing alias
4413         pair force the targets to be output.
4414         (whole_program_function_and_variable_visility): Use
4415         mark_reachable_node.
4416         * trans-mem.c (ipa_tm_mark_needed_node): Remove
4417         (ipa_tm_mark_force_output_node): New function.
4418         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
4419         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
4420         aliases.
4421         * varasm.c (mark_decl_referenced): Update.
4422         (find_decl_and_mark_needed): Remove.
4423         (find_decl): New function.
4424         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
4425         alias targets as needed.
4426         (dump_tm_clone_pairs): Update.
4427         * tree-inline.c (copy_bb): Update check.
4428         * symtab.c (dump_symtab_base): Dump force_output.
4429         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
4430         * passes.c (execute_todo): Fix dumping.
4431         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
4432         (varpool_analyze_pending_decls): Alias target is reachable.
4433         (varpool_create_variable_alias): Finalize weakrefs.
4435 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
4437         PR bootstrap/53021
4438         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
4439         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
4440         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
4441         macros instead of constants.
4442         * dse.c (record_store): Check for SP ADDRESS by comparing
4443         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
4444         XEXP to be stack_pointer_rtx.
4446 2012-04-20  Richard Guenther  <rguenther@suse.de>
4448         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
4449         update_call_from_tree when propagating into a call.
4451 2012-04-20  Alan Modra  <amodra@gmail.com>
4453         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
4454         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
4455         sp_offset to frame_off.  Move world save code earlier.
4457 2012-04-20  Richard Guenther  <rguenther@suse.de>
4459         PR tree-optimization/53050
4460         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
4461         Do only one transform on COND_EXPRs at the same time.
4463 2012-04-19  Jan Hubicka  <jh@suse.cz>
4465         * symtab.c (dump_symtab_base): Revert accidental checkin.
4467 2012-04-20  Alan Modra  <amodra@gmail.com>
4469         PR target/53040
4470         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
4471         static chain, set REST_INLINE_FPRS too.
4473 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
4475         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
4476         nodes.
4478 2012-04-20  Richard Guenther  <rguenther@suse.de>
4480         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
4481         loops that can never run more often than the vectorization factor.
4483 2012-04-19  Jan Hubicka  <jh@suse.cz>
4485         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
4487 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
4489         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
4491 2012-04-19  Jim Meyering  <meyering@redhat.com>
4493         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
4494         We verified above that the string(including trailing NUL) fits in buf,
4495         so just use memcpy.
4497 2012-04-19  Richard Guenther  <rguenther@suse.de>
4499         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
4500         for dumping DECL_SECTION_NAME.
4502 2012-04-19  Michael Matz  <matz@suse.de>
4504         PR middle-end/52977
4505         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
4506         (struct tree_vector): Adjust GTY length.
4507         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
4509         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
4510         members.
4511         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
4512         caller emitted the length calulation already.
4513         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
4514         before handling any of the fields for structs.
4516 2012-04-19  Richard Guenther  <rguenther@suse.de>
4518         PR tree-optimization/53031
4519         * tree-vrp.c (adjust_range_with_scev): Revert back to
4520         using max_loop_iterations.
4522 2012-04-19  Michael Matz  <matz@suse.de>
4524         * diagnostic.c (emit_diagnostic): Move va_end call after user
4525         of the va_list.
4526         (warning, warning_at, pedwarn, permerror): Ditto.
4528 2012-04-19  Richard Guenther  <rguenther@suse.de>
4530         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
4531         array access.
4533 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
4535         PR target/53033
4536         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
4537         the case *(X+const).
4539 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4541         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
4543 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4545         PR c/52283/37985
4546         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
4547         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
4549 2012-04-19  Richard Guenther  <rguenther@suse.de>
4551         PR rtl-optimization/44688
4552         * loop-iv.c (determine_max_iter): Only return max_iter.
4553         (iv_number_of_iterations): Also use the recorded loop bound
4554         on the maximum number of iterations.
4555         * loop-unroll.c (decide_unroll_runtime_iterations): Use
4556         max_iter to avoid unrolling loops that do not roll.
4557         (decide_unroll_stupid): Likewise.
4559 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
4561         * targhooks.c (default_case_values_threshold): Fix code style nit.
4563         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
4564         case range and type folding from here...
4565         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
4566         type, as documented in tree.def.
4568 2012-04-18  Jan Hubicka  <jh@suse.cz>
4570         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
4571         Declare.
4572         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
4573         cgraph hash and same comdat groups.
4574         (cgraph_optimize): Verify symbol table.
4575         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
4576         (dissolve_same_comdat_group_list): Work on symtab nodes.
4577         (function_and_variable_visibility): Dissolve variable same comdat group
4578         lists, too.
4579         * symtab.c: Include timevar.h
4580         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
4582 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
4584         * tree-switch-conversion.c (info): Remove global pass info.
4585         (check_range, check_process_case, check_final_bb, create_temp_arrays,
4586         free_temp_arrays, gather_default_values, build_constructors,
4587         array_value_type, build_one_array, build_arrays, gen_def_assigns,
4588         fix_phi_nodes, gen_inbound_check): Pass info around from ...
4589         (process_switch): ... here.  Unify message format.  Return a const
4590         char pointer to the failure reason message.
4591         (do_switchconv): Unify message format.  Update process_switch usage.
4593         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
4594         * tree-cfg.c (edge_to_cases): Fix documentation.
4596 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
4598         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
4600 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4602         PR tree-optimization/52976
4603         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
4604         (possibly_move_powi): New function.
4605         (rewrite_expr_tree): Call possibly_move_powi.
4606         (rewrite_expr_tree_parallel): Likewise.
4607         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
4608         call add_to_ops_vec instead.
4610 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4612         PR tree-optimization/52976
4613         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
4614         (decrement_power): Likewise.
4615         (propagate_op_to_single_use): Likewise.
4616         (zero_one_operation): Handle __builtin_pow* calls in linearized
4617         expression trees; factor logic into propagate_op_to_single_use.
4618         (undistribute_ops_list): Allow operands with repeat counts > 1.
4620 2012-04-18  Richard Guenther  <rguenther@suse.de>
4622         PR tree-optimization/44688
4623         * cfgloop.h (record_niter_bound): Declare.
4624         * tree-ssa-loop-niter.c (record_niter_bound): Export.
4625         Update the estimation with the upper bound here...
4626         (estimate_numbers_of_iterations_loop): ... instead of here.
4627         Do not forcefully reset a recorded upper bound.
4628         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
4629         Record the maximum number of loop iterations of the prologue loop.
4631 2012-04-18  Jan Hubicka  <jh@suse.cz>
4633         * lto-symtab.c (lto_cgraph_replace_node): Update.
4634         * cgraphbuild.c (record_reference, record_type_list,
4635         record_eh_tables, mark_address, mark_load, mark_store): Update.
4636         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
4637         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
4638         Update.
4639         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
4640         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
4641         * reload.c: Fix typo in comment.
4642         * rtlanal.c: Likewise.
4643         * tree-emultls.c (gen_emutls_addr): Update.
4644         * ipa-reference.c (analyze_function): Update.
4645         * cgraphunit.c (cgraph_analyze_function,
4646         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
4647         Update.
4648         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
4649         (ipa_remove_reference): Likewise.
4650         (ipa_remove_all_refering): Rename to ...
4651         (ipa_remove_all_referring): ... this one; update.
4652         (ipa_dump_references): Update.
4653         (ipa_dump_referring): Update.
4654         (ipa_clone_references): Update.
4655         (ipa_clone_refering): Rename to ...
4656         (ipa_clone_referring): ... this one; update.
4657         (ipa_ref_cannot_lead_to_return): Update.
4658         (ipa_ref_has_aliases_p): Update.
4659         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
4660         forward typedefs.
4661         (ipa_ref_type): Remove.
4662         (ipa_ref_ptr_u): Remove.
4663         (ipa_ref): Remove referencing, refered, refered_index, refering_type
4664         and refered_type; add referring, referred and referred_index.
4665         (ipa_ref_list): Rename refering to referring.
4666         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
4667         ipa_clone_references, ipa_clone_referring): Update prototypes.
4668         * lto-cgraph.c (referenced_from_other_partition_p): Update.
4669         (lto_output_ref): Update.
4670         (add_references): Update.
4671         (input_varpool_node): Update.
4672         (input_refs): Update.
4673         * ipa-ref-inline.h (ipa_ref_node): Update.
4674         (ipa_ref_varpool_node): Update.
4675         (ipa_ref_referring_node): Update.
4676         (ipa_ref_referring_varpool_node): Update.
4677         (ipa_ref_referring_ref_list): Update.
4678         (ipa_ref_referred_ref_list): Update.
4679         (ipa_ref_list_first_referring): Update.
4680         (ipa_empty_ref_list): Update.
4681         (ipa_ref_list_refering_iterate): Rename to ...
4682         (ipa_ref_list_referring_iterate): ... this one.
4683         * cse.c: Update comment.
4684         * ipa-utils.c (ipa_reverse_postorder): Update.
4685         * tree-ssa-alias.c: Update.
4686         * ipa-inline.c (reset_edge_caches): Update.
4687         (update_caller_keys): Update.
4688         * ipa-inline.h: Update comments.
4689         * jump.c: Update comment.
4690         * alias.c: Likewise.
4691         * ipa.c (process_references): Update.
4692         (cgraph_remove_unreachable_nodes): Likewise.
4693         (ipa_discover_readonly_nonaddressable_var): Likewise.
4694         (cgraph_address_taken_from_non_vtable_p): Likewise.
4695         * trans-mem.c (ipa_tm_execute): Update.
4696         * simplify-rtx.c: Fix comment.
4697         * rtl.c: Fix comment.
4698         * symtab.c (symtab_unregister_node): Update.
4699         * varpool.c (dump_varpool_node): Update.
4700         (varpool_analyze_pending_decls): Update.
4701         (assemble_aliases): Update.
4702         (varpool_for_node_and_aliases): Update.
4704 2012-04-18  Richard Guenther  <rguenther@suse.de>
4706         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
4707         use_undefined_p parameter.
4708         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
4709         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
4710         Likewise.
4711         (estimate_numbers_of_iterations): Likewise.
4712         (estimated_loop_iterations): Adjust.
4713         (max_loop_iterations): Likewise.
4714         (scev_probably_wraps_p): Likewise.
4715         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
4716         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
4717         not max_loop_iterations.
4718         (execute_vrp): Remove explicit number of iterations estimation.
4720 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
4722         * config/i386/linux-common.h: New.
4724         * config.gcc: Add i386/linux-common.h before
4725         all i386/linux.h and i386/linux64.h usages.
4727         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
4728         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4729         * config/i386/gnu-user64.h: Likewise.
4731         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
4732         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
4733         (GNU_USER_TARGET_MATHFILE_SPEC): New.
4734         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
4736 2012-04-18  Jan Hubicka  <jh@suse.cz>
4738         * cgraph.c (cgraph_node_name): Remove.
4739         (dump_cgraph_node): Use dump_symtab_base; reformat.
4740         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
4741         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
4742         Declare.
4743         (cgraph_node_name, varpool_node_name): Remove.
4744         (cgraph_node_asm_name, varpool_node_asm_name,
4745         cgraph_node_name, varpool_node_name): New.
4746         * tree-pass.h (TODO_dump_cgraph): Rename to ...
4747         (TODO_dump_symtab): ... this one.
4748         * ipa-cp (pass_ipa_cp): Update.
4749         * ia-reference.c (generate_summary, read_write_all_from_decl,
4750         propagate, ipa_reference_read_optimization_summary): Update.
4751         * cgraphunit.c (cgraph_analyze_functions): Update.
4752         (cgraph_optimize): Update.
4753         * ipa-ref.c (ipa_dump_references): Update.
4754         (ipa_dump_refering): Update.
4755         * ipa-inline.c (pass_ipa_inline): Update.
4756         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
4757         * ipa.c (pass_ipa_function_visibility,
4758         pass_ipa_whole_program_visibility): Update.
4759         * tree-sra.c (pass_early_ipa_sra): Update.
4760         * symtab.c: Include langhooks.h
4761         (symtab_node_asm_name): New.
4762         (symtab_node_name): New.
4763         (symtab_type_names): New static var.
4764         (dump_symtab_base): New.
4765         (dump_symtab_node, dump_symtab): New.
4766         (debug_symtab_node,  debug_symtab): New.
4767         * tree-ssa-structalias.c: Dump symbol table.
4768         * pases.c (execute_todo): Handle TODO_dump_symtab instead
4769         of TODO_dump_cgraph.
4770         * varpoo.c (varpool_node_name): Remove.
4771         (dump_varpool_node): Use dump_symtab_base; reformat.
4773 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4775         * doc/invoke.texi (Language Independent Options): @item should be
4776         before @opindex.
4778 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
4780         PR bootstrap/53021
4781         * rtl.c (rtx_code_size): Handle ADDRESS.
4783 2012-04-17  Tom de Vries  <tom@codesourcery.com>
4785         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
4786         is not a STMT_LIST.
4788 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
4790         PR target/53020
4791         * config/i386/sync.md (atomic_<code><mode>): Rename to
4792         atomic_<logic><mode>.
4794 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
4796         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
4797         * alias.c (reg_base_value): Expand and update comment.
4798         (arg_base_value): New variable.
4799         (unique_id): Move up file.
4800         (unique_base_value, unique_base_value_p, known_base_value_p): New.
4801         (find_base_value): Use arg_base_value and known_base_value_p.
4802         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
4803         (find_base_term): Use known_base_value_p.
4804         (base_alias_check): Use unique_base_value_p.
4805         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
4806         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
4808 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
4810         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
4812 2012-04-17  Michael Matz  <matz@suse.de>
4814         PR tree-optimization/18437
4815         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
4816         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
4817         (vect_check_strided_load): Declare.
4818         * tree-vect-data-refs.c (vect_check_strided_load): New function.
4819         (vect_analyze_data_refs): Use it to accept strided loads.
4820         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
4822 2012-04-17  Richard Guenther  <rguenther@suse.de>
4824         PR middle-end/53011
4825         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
4826         loops when redirecting an entry or latch edge.
4828 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
4830         * sel-sched.c (sel_global_init): Revert previous change.
4832 2012-04-17  Richard Guenther  <rguenther@suse.de>
4834         * tree-flow.h (array_at_struct_end_p): Move declaration ...
4835         * tree.h (array_at_struct_end_p): ... here.
4836         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
4837         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
4839 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
4841         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
4842         COST_TABLE): Remove.
4843         (estimate_case_costs): Remove.
4844         (expand_case): Do not call estimate_case_costs
4845         to set use_cost_table.
4846         (balance_case_nodes): Do not use use_cost_table.
4848 2012-04-16  Jan Hubicka  <jh@suse.cz>
4850         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
4851         (hash_node, eq_node): Remove.
4852         (cgraph_create_node): Do not handle hashtable.
4853         (cgraph_get_node): Remove.
4854         (cgraph_insert_node_to_hashtable): Remove.
4855         (hash_node_by_assembler_name): Remove.
4856         (eq_assembler_name): Remove.
4857         (cgraph_node_for_asm): Rewrite.
4858         (cgraph_find_replacement_node): Break out from ...
4859         (cgraph_remove_node): ... here; do not maintain hashtables.
4860         (change_decl_assembler_name): Remove.
4861         (cgraph_clone_node): Do not maintain hashtables.
4862         * cgraph.h (const_symtab_node): New typedef.
4863         (cgraph_insert_node_to_hashtable): Remove.
4864         (symtab_get_node, symtab_node_for_asm,
4865         symtab_insert_node_to_hashtable): Declare.
4866         (cgraph_find_replacement_node): Declare.
4867         (cgraph_get_node, varpool_get_node): Turn into inlines.
4868         (cgraph, varpool): Work sanely on NULL pointers.
4869         (FOR_EACH_SYMBOL): New walker.
4870         * ipa-inline-transform.c (save_inline_function_body): Use
4871         symtab_insert_node_to_hashtable.
4872         * symtab.c: Include ggc.h and diagnostics.h
4873         (symtab_hash, assembler_name_hash): New static vars;
4874         (hash_node, eq_node, hash_node_by_assembler_name,
4875         eq_assembler_name, insert_to_assembler_name_hash,
4876         unlink_from_assembler_name_hash): New.
4877         (symtab_register_node): Update hashtables.
4878         (symtab_insert_node_to_hashtable): New.
4879         (symtab_unregister_node): Update hashtables.
4880         (symtab_get_node): New.
4881         (symtab_node_for_asm): New.
4882         (change_decl_assembler_name): New.
4883         * Makefile.in (symtab.o): Needs GTY.
4884         * varpool.c (varpool_hash): Remove.
4885         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
4886         (varpool_node): Rewrite using varpool_get_node.
4887         (varpool_remove_node): DO not maintain hashtables.
4888         (varpool_node_for_asm): Rewrite.
4890 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
4892         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
4893         when describing the current behavior of GCC.
4895 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
4897         * genemit.c (gen_exp): Remove ADDRESS handling.
4898         * genoutput.c (scan_operands): Likewise.
4899         * genpeep.c (match_rtx): Likewise.
4900         * genrecog.c (add_to_sequence): Likewise.
4902 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
4904         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
4906 2012-04-16  Martin Jambor  <mjambor@suse.cz>
4908         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
4909         bit-fields.
4911 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
4913         PR target/51819
4914         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
4915         hints for 'A' operand types.
4917 2012-04-16  Jan Hubicka  <jh@suse.cz>
4919         * cgraph.h (symtab_node_base): Add next and previous pointers.
4920         (cgraph_node): Remove next and preivous pointers.
4921         (varpool_node): Likewise; remove next/previous GTY marker;
4922         it is not type safe.
4923         (symtab_node_def): Update GTY marker
4924         (x_cgraph_nodes, cgraph_nodes): Remove.
4925         (symtab_nodes): New function.
4926         (cgraph_order): Rename to ...
4927         (symtab_order): ... this one.
4928         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
4929         Declare.
4930         (x_varpool_nodes, varpool_nodes): Remove.
4931         (FOR_EACH_STATIC_VARIABLE): Update.
4932         (symtab_function_p, symtab_variable_p): New function.
4933         (FOR_EACH_VARIABLE): Update.
4934         (varpool_first_variable, varpool_next_variable): New functions.
4935         (FOR_EACH_VARIABLE): Update.
4936         (cgraph_first_defined_function): Update.
4937         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
4938         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
4939         (cgraph_first_function, cgraph_next_function): New.
4940         (FOR_EACH_FUNCTION): Update.
4941         (cgraph_first_function_with_gimple_body,
4942         cgraph_next_function_with_gimple_body): Update.
4943         * symtab.c: New file.
4944         * cgraph.c: Update copyright dates.
4945         (x_cgraph_nodes, cgraph_order): Remove.
4946         (NEXT_FREE_NODE): Update.
4947         (SET_NEXT_FREE_NODE): New.
4948         (cgraph_create_node_1): Remove common code.
4949         (cgraph_create_node): Remove common code; call symtab_register_node.
4950         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
4951         (cgraph_add_asm_node): Update.
4952         (cgraph_clone_node): Register new node.
4953         * cgraphunit.c (process_function_and_variable_attributes): Update.
4954         (cgraph_analyze_functions): Update.
4955         (cgraph_analyze_functions): Update.
4956         (cgraph_output_in_order): Update.
4957         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
4958         Update.
4959         * ipa-inline.c (recursive_inlining): Update.
4960         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
4961         * ipa.c (cgraph_remove_unreachable_nodes): Update.
4962         * Makefile.in: Add symtab.o
4963         * varpool.c (x_varpool_nodes): Remove
4964         (varpool_node): Remove common code; call symtab_register_node.
4965         (varpool_remove_node): Remove common code; call symtab_unregister_node.
4967 2012-04-16  Richard Guenther  <rguenther@suse.de>
4969         PR middle-end/52977
4970         * tree.h (VECTOR_CST_NELTS): Adjust.
4971         (struct tree_vector): Add explicit length field.
4972         (make_vector_stat): Declare.
4973         (make_vector): Define.
4974         * tree.c (make_vector_stat): New function.
4975         (build_vector_stat): Use it.
4976         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4978 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4980         PR tree-optimization/52976
4981         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
4982         (undistribute_ops_list): Ops with repeat counts aren't eligible for
4983         undistribution.
4984         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
4986 2012-04-16  Jan Hubicka  <jh@suse.cz>
4988         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
4989         New macros.
4990         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
4991         walkers to walk cgraph and varpool.
4992         * cgraph.c (cgraph_node_for_asm): Likewise.
4993         (dump_cgraph): Likewise.
4994         * value-prof.c (init_node_map): Likewise.
4995         * tree.c (free_lang_data_in_cgraph): Likewise.
4996         * tree-emutls.c: (ipa_lower_emutls): Likewise.
4997         * ipa-reference.c (generate_summary, propagate): Likewise.
4998         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
4999         cgraph_mark_functions_to_output, cgraph_output_in_order,
5000         output_weakrefs, cgraph_materialize_all_clones,
5001         cgraph_optimize): Likewise.
5002         * lto-cgraph.c (merge_profile_summaries): Likewise.
5003         (input_cgraph): Likewise.
5004         * ipa-pure-const.c (generate_summary): Likewise.
5005         (propagate): Likwise.
5006         * ipa-utils.c (ipa_reduced_postorder): Likewise.
5007         (ipa_free_postorder_info): Likewise.
5008         (ipa_reverse_postorder): Likewise.
5009         * ipa-inline.c (ipa_inline): Likewise.
5010         * matrix-reorg.c (find_matrices_decl): Likewise.
5011         (matrix_reorg): Likewise.
5012         * tree-vectorizer.c (increase_alignment): Likewise.
5013         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5014         (function_and_variable_visibility): Likewise.
5015         (whole_program_function_and_variable_visibility): Likewise.
5016         (ipa_cdtor_merge): Likewise.
5017         * trans-mem.c (ipa_tm_execute): Likewise.
5018         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
5019         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
5020         (ipa_print_all_params): Likewise.
5021         (ipa_update_after_lto_read): Likewise.
5022         * tree-profie.c (tree_profiling): Likewise.
5023         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
5024         * passes.c (dump_passes): Likewise.
5025         (do_per_function): Likewise.
5026         (ipa_write_summaries): Likewise.
5027         * varpool.c (dump_varpool): Likewise.
5028         (varpool_node_for_asm): Likewise.
5029         (varpool_assemble_pending_decls): Likewise.
5031 2012-04-16  Richard Guenther  <rguenther@suse.de>
5033         PR tree-optimization/52975
5034         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
5035         condition but always mark it with TRUTH_NOT_EXPR.
5037 2012-04-16  Richard Guenther  <rguenther@suse.de>
5039         PR tree-optimization/52975
5040         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
5041         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
5042         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
5043         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
5045 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
5047         * config/i386/sse.md (ssse3_plusminus): New code iterator.
5048         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
5049         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
5050         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
5051         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
5052         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
5053         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
5055         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
5056         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
5057         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
5058         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
5059         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
5060         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
5062         (xop_plus): New code iterator.
5063         (macs): New code attribute.
5064         (macds): Ditto.
5065         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
5066         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
5067         iterator.
5068         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
5069         xop_plus code iterator.
5070         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
5071         xop_plus code iterator.
5072         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
5073         xop_plus code iterator.
5074         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
5075         xop_plus code iterator.
5077         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
5078         any_extend code iterator.
5079         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
5080         any_extend code iterator.
5081         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
5082         any_extend code iterator.
5083         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
5084         any_extend code iterator.
5085         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
5086         any_extend code iterator.
5087         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
5088         any_extend code iterator.
5090 2012-04-14  Tom de Vries  <tom@codesourcery.com>
5092         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
5093         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
5094         DELETED_LABEL note, and move it to ...
5095         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
5096         (delete_insn_and_edges): Likewise.
5097         (delete_insn_chain): Handle new return type of delete_insn.  Delete
5098         chain backwards rather than forwards.
5099         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
5100         void.
5101         * cfglayout.c (fixup_reorder_chain): Delete unused label.
5103 2012-04-14  Jan Hubicka  <jh@suse.cz>
5105         * cgraph.h: Update copyrights;
5106         (symtab_node): Turn to union typedef.
5107         (symtab_node_base): New structure.
5108         (symtab_type): Add SYMTAB_SYMBOL tag.
5109         (cgraph_node): Annotate some pinters with nested_ptr.
5110         (varpool_node): Likewise.
5111         (cgraph_local_info): Remove lto_file_data
5112         and externally_visible.
5113         (cgraph_node): Remove decl; same_comdat_group list;
5114         aux; ref_list; order; address_taken; reachable_from_other_parittion,
5115         in_other_partition; resolution.
5116         (varpool_node): Remove decl; same_comdat_group;
5117         ref_list; lto_file_data; aux; order; resolution; externally_visible;
5118         used_from_other_partition; in_other_partition.
5119         (symtab_node_def): New union.
5120         (cgraph, varpool): Update.
5121         (varpool_first_static_initializer, varpool_next_static_initializer,
5122         cgraph_only_called_directly_or_aliased_p,
5123         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
5124         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
5125         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
5126         field references.
5127         * cgraph.c: Likewise.
5128         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
5129         * cgraphbuild.c: Likewise.
5130         * lto-symtab.c: Likewise.
5131         * c-gimplify.c: Likewise.
5132         * value-prof.c: Likewise.
5133         * tree.c: Likewise.
5134         * ipa-cp.c: Likewise.
5135         * tree-emutls.c: Likewise.
5136         * ipa-inline-transform.c: Likwise.
5137         * ipa-reference.c: Likewise.
5138         * cgraphunit.c: Likewise.
5139         * ipa-ref.c: Likewise.
5140         * lto-cgraph.c: Likewise.
5141         * ipa-ref-inline.h: Likewise.
5142         * ipa-pure-const.c: Likewise.
5143         * lto-streamer-out.c: Likewise.
5144         * ipa-utils.c: Likewise.
5145         * ipa-inline.c: Likewise.
5146         * matrix-reorg.c: Likewise.
5147         * tree-eh.c: Likewise.
5148         * tree-vectorizer.c: Likewise.
5149         * ipa-split.c: Likewise.
5150         * ipa.c: Likewise.
5151         * trans-mem.c: Likewise.
5152         * ipa-inline-analysis.c: Likewise.
5153         * gimplify.c: Likewise.
5154         * cfgexpand.c: Likewise.
5155         * tree-sra.c: Likewise.
5156         * ipa-prop.c: Likewise.
5157         * varasm.c: Likewise.
5158         * tree-nested.c: Likewise.
5159         * tree-inline.c: Likewise.
5160         * tree-profile.c: Likewise.
5161         * tree-ssa-structalias.c: Likewise.
5162         * passes.c: Likewise.
5163         * varpool.c: Likewise.
5165 2012-04-14  Tom de Vries  <tom@codesourcery.com>
5167         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
5168         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
5169         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
5170         of find_edge.
5171         (gsi_advance_fw_nondebug_nonlocal): New function.
5172         (local_def): Removed function.
5173         (same_succ_hash): Use stmt_local_def.
5174         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
5175         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
5177 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
5179         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
5180         and __ILP32__ for x32.
5182 2012-04-13  Martin Jambor  <mjambor@suse.cz>
5184         PR middle-end/52939
5185         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
5186         fold_ctor_reference returns a zero constant.
5188 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
5190         * config.gcc: Add i386/gnu-user-common.h before all
5191         i386/gnu-user.h and i386/gnu-user64.h usages.
5193         * config/i386/gnu-user-common.h: New.
5195         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
5196         (CC1_SPEC): Likewise.
5197         (ENDFILE_SPEC): Likewise.
5198         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
5199         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
5200         (TARGET_OS_CPP_BUILTINS): Likewise.
5201         (LIBGCC2_HAS_TF_MODE): Likewise.
5202         (LIBGCC2_TF_CEXT): Likewise.
5203         (TF_SIZE): Likewise.
5204         (TARGET_ASM_FILE_END): Likewise.
5205         (STACK_CHECK_MOVING_SP): Likewise.
5206         (STACK_CHECK_STATIC_BUILTIN): Likewise.
5207         * config/i386/gnu-user64.h: Likewise.
5209 2012-04-13  Martin Jambor  <mjambor@suse.cz>
5211         * expr.c (expand_expr_real_1): Pass type, not the expression, to
5212         set_mem_attributes for a memory temporary. Do not call the function
5213         for the memory temporary created for a bitfield.
5215 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
5217         PR debug/48866
5218         * df.h (enum debug_temp_where): New.
5219         (dead_debug_init, dead_debug_finish) Declare.
5220         (dead_debug_add, dead_debug_insert_temp): Declare.
5221         (struct dead_debug_use, struct dead_debug): Moved from...
5222         * df-problems.c: ... here.
5223         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
5224         to a debug temp.
5225         (df_create_unused_note): Likewise.
5226         (df_set_dead_notes_for_mw): Move comment where it belongs.
5227         (dead_debug_init): Export.
5228         (dead_debug_reset_uses): New, factored out of...
5229         (dead_debug_finish): ...this.  Export.
5230         (dead_debug_reset): Remove.
5231         (dead_debug_add): Export.
5232         (dead_debug_insert_before): Rename to...
5233         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
5234         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
5235         Return insertion count.
5236         (df_note_bb_compute): Adjust.
5237         * dce.c (word_dce_process_block): Adjust dead debug uses.
5238         (dce_process_block): Likewise.
5240 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
5242         * df-problems.c (df_note_bb_compute): Do not take note of
5243         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
5245 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
5247         PR debug/51570
5248         * var-tracking.c (expand_depth): New type.
5249         (onepart_aux, expand_loc_callback_data): Change depth type to it.
5250         (loc_exp_dep_alloc): Adjust initializer.
5251         (update_depth): Use new type.  Add entryvals.
5252         (vt_expand_var_loc_chain): Take note of expansions with
5253         ENTRY_VALUEs, but don't accept them right away.  Run an optional
5254         second pass accepting the minimum ENTRY_VALUE count found in the
5255         first pass.
5256         (vt_expand_loc_callback, INIT_ELCD): Adjust.
5258 2012-04-13  Tom de Vries  <tom@codesourcery.com>
5260         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
5261         parameters vuse and vuse_escaped.
5262         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
5263         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
5264         vuse1 != vuse2.
5266 2012-04-13  Richard Guenther  <rguenther@suse.de>
5268         PR tree-optimization/52969
5269         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
5270         the condition for the COND_EXPR and handle predicate negation
5271         by swapping the COND_EXPR arms.
5273 2012-04-13  Nick Clifton  <nickc@redhat.com>
5275         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
5276         TODO_dump_func flag.
5278 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
5280         PR rtl-optimization/52203
5281         PR rtl-optimization/52715
5283         Revert the 2012-03-07 fix for PR 52203.
5284         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
5285         the insn does not modify DFA right before issuing, adjust
5286         issue_rate accordingly.
5288 2012-04-13  Richard Guenther  <rguenther@suse.de>
5290         PR c/52549
5291         * c-typeck.c (pointer_diff): Remove bogus assert.
5293 2012-04-13  Richard Guenther  <rguenther@suse.de>
5295         PR c/52862
5296         * convert.c (convert_to_pointer): Remove special-casing of zero.
5298 2012-04-13  Joey Ye  <joey.ye@arm.com>
5300         * config/arm/constraints.md (Pe): New constraint.
5301         * config/arm/arm.md: New split for imm 256-510.
5303 2012-04-13  Terry Guo  <terry.guo@arm.com>
5305         * config/arm/arm-cores.def: Added core cortex-m0plus.
5306         * config/arm/arm-tune.md: Regenerated.
5307         * config/arm/arm-tables.opt: Regenerated.
5308         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
5310 2012-04-13  Alan Modra  <amodra@gmail.com>
5312         PR target/52828
5313         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
5314         tie regs on destination of sets.  Delete forward declaration.
5315         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
5316         (rs6000_emit_prologue): Likewise.
5317         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
5318         and gen_stack_tie.
5319         (is_mem_ref): Use tie_operand to recognise stack ties.
5320         * config/rs6000/predicates.md (tie_operand): New.
5321         * config/rs6000/rs6000.md (restore_stack_block): Generate new
5322         stack tie rtl.
5323         (restore_stack_nonlocal): Likewise.
5324         (stack_tie): Update.
5325         (frame_tie): Delete.
5327 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5329         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
5330         HOST_WIDE_INT_PRINT_DEC in format strings.
5332 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
5334         PR target/52932
5335         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
5336         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
5337         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
5338         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
5339         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
5340         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
5341         avx2_permvarv8si using VI4F_256 mode iterator.
5342         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
5343         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
5344         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
5345         gen_avx2_permvarv8sf.
5346         (expand_vec_perm_pshufb): Ditto.
5348 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
5350         PR target/52775
5351         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
5352         the list of options to enable the FCFID instruction.
5353         (TARGET_EXTRA_BUILTINS): Adjust comment.
5355 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5357         PR tree-optimization/18589
5358         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
5359         (operand_entry): Add count field.
5360         (add_repeat_to_ops_vec): New function.
5361         (completely_remove_stmt): Likewise.
5362         (remove_def_if_absorbed_call): Likewise.
5363         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
5364         (acceptable_pow_call): New function.
5365         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
5366         entries with repeat counts when found.
5367         (repeat_factor_d): New struct and associated typedefs.
5368         (repeat_factor_vec): New static vector variable.
5369         (compare_repeat_factors): New function.
5370         (get_reassoc_pow_ssa_name): Likewise.
5371         (attempt_builtin_powi): Likewise.
5372         (reassociate_bb): Call attempt_builtin_powi.
5373         (fini_reassoc): Two new calls to statistics_counter_event.
5375 2012-04-12  Richard Guenther  <rguenther@suse.de>
5377         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
5378         * cgraph.h (tree_rest_of_compilation): Remove.
5379         * cgraph.c (cgraph_add_new_function): Move ...
5380         * cgraphunit.c (cgraph_add_new_function): ... here.
5381         (tree_rest_of_compilation): Make static.
5382         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
5383         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
5384         gate_all_early_local_passes, execute_all_early_local_passes,
5385         pass_early_local_passes, gate_all_early_optimizations,
5386         pass_all_early_optimizations): Move ...
5387         * passes.c (gate_all_optimizations, pass_all_optimizations,
5388         gate_all_early_local_passes, execute_all_early_local_passes,
5389         pass_early_local_passes, gate_all_early_optimizations,
5390         pass_all_early_optimizations): ... here.
5391         * tree-optimize.c (execute_free_datastructures): Remove.
5392         * tree-flow.h (execute_free_datastructures): Remove.
5393         * tree-optimize.c (execute_init_datastructures,
5394         pass_init_datastructures): Move ...
5395         * tree-ssa.c (execute_init_datastructures,
5396         pass_init_datastructures): ... here.
5397         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
5398         execute_free_datastructures.
5400 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
5402         * dbgcnt.def (ira_move): New counter.
5403         * ira-int.h (ira_create_new_reg): Declare function.
5404         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
5405         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
5406         no longer static.  All callers changed.
5407         * ira.c: Include "dbgcnt.h".
5408         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
5409         move_unallocated_pseudos): New static functions.
5410         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
5411         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
5412         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
5413         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
5414         to the pseudos generated in find_moveable_pseudos.
5415         * Makefile.in (ira.o): Add $(DBGCNT_H).
5417 2012-04-12  Richard Guenther  <rguenther@suse.de>
5419         PR tree-optimization/52943
5420         * tree-chrec.h (chrec_is_positive): Remove.
5421         * tree-scalar-evolution.c (chrec_is_positive): Move ...
5422         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
5423         Return false for a constant zero instead of negative.
5424         (analyze_siv_subscript_cst_affine): Handle zero difference
5425         in the initial condition explicitely.
5427 2012-04-12  Richard Guenther  <rguenther@suse.de>
5429         * tree-parloops.c (parallelize_loops): Also consult the upper
5430         bound for the number of iterations.
5431         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5432         (loop_prefetch_arrays): Likewise.
5434 2012-04-12  Richard Guenther  <rguenther@suse.de>
5436         * cfgloop.h (estimated_loop_iterations_int): Ditch
5437         'conservative' parameter.
5438         (max_stmt_executions_int): Likewise.
5439         (estimated_loop_iterations): Likewise.
5440         (max_stmt_executions): Likewise.
5441         (max_loop_iterations): Declare.
5442         (max_loop_iterations_int): Likewise.
5443         (estimated_stmt_executions): Likewise.
5444         (estimated_stmt_executions_int): Likewise.
5445         * tree-ssa-loop-niter.c (estimated_loop_iterations):
5446         Split parts to ...
5447         (max_loop_iterations): ... this.
5448         (estimated_loop_iterations_int): Split parts to ...
5449         (max_loop_iterations_int): ... this.
5450         (max_stmt_executions_int): Split parts to ...
5451         (estimated_stmt_executions_int): ... this.
5452         (max_stmt_executions): Split parts to ...
5453         (estimated_stmt_executions): ... this.
5454         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
5455         * predict.c (predict_loops): Likewise.
5456         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
5457         (analyze_siv_subscript_cst_affine): Likewise.
5458         (compute_overlap_steps_for_affine_1_2): Likewise.
5459         (analyze_subscript_affine_affine): Likewise.
5460         (init_omega_for_ddr_1): Likewise.
5461         * tree-parloops.c (parallelize_loops): Likewise.
5462         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5463         (may_eliminate_iv): Likewise.
5464         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5465         (loop_prefetch_arrays): Likewise.
5466         * tree-vrp.c (adjust_range_with_scev): Likewise.
5468 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
5470         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
5471         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
5472         Fix line width.
5473         (dump_table): Use bool type for need_align and have_df variables.
5474         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
5475         (regs_used): Remove register modifier.
5476         (barrier_align): Move variables slot, credit, jump_to_next
5477         into if block above for loop.  Use bool type for jump_to_next.
5478         (sh_function_arg): Use NULL_RTX instead of 0.
5480 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
5482         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
5483         (bswapsi2): New expander.
5485 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5487         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
5488         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
5490 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5492         PR rtl-optimization/52876
5493         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
5494         Don't call mark_reg_pointer for incompatible pointer sign extension.
5496         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
5497         directly.
5499 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
5501         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
5502         comparisons against TYPE_PRECISION.
5503         * tree-ssa-forwprop.c (combine_conversions): Likewise.
5505 2012-04-11  Xinliang David Li  <davidxl@google.com>
5507         * tree-passes.h: Remove TODO_dump_func.
5508         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
5509         * trans-mem.c: Remove TODO_dump_func.
5510         * ira.c: Remove TODO_dump_func.
5512 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5514         * config/i386/i386.c (ix86_option_override_internal): Check
5515         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
5516         after TARGET_64BIT is updated.
5518 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5520         * config/sh/sh.h: Remove old secondary reload code.
5522 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5524         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
5525         (ready_reorder): ... this function.
5527 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
5529         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
5530         sched_init calls.
5532         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
5533         insns so that no other insn is queued for a time before them.
5535         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
5536         unknown.
5538 2012-04-11  Richard Guenther  <rguenther@suse.de>
5540         PR middle-end/52621
5541         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
5542         consider loop nesting.
5543         (evolution_function_is_univariate_p): Properly check the remainder
5544         for chrecs.
5546 2012-04-11  Richard Guenther  <rguenther@suse.de>
5548         PR middle-end/52918
5549         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
5551 2012-04-11  Nick Clifton  <nickc@redhat.com>
5553         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
5554         information, if requested.
5556         * config/rx/rx.c (rx_expand_prologue): Likewise.
5558 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
5559             Michael Matz  <matz@suse.de>
5561         PR target/16458
5562         * rtlanal.c (unsigned_reg_p): New function.
5563         Update copyright notice dates.
5564         * rtl.h (unsigned_reg_p): Prototype it.
5565         Update copyright notice dates.
5566         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
5567         Update comment.
5568         * expr.c (expand_expr_real_1): Set register attributes.
5569         * stmt.c (expand_case): Likewise.
5571 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5573         PR target/50751
5574         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
5575         consider_sh2a and allow_zero.
5576         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
5577         (disp_addr_displacement): New function.
5578         (sh_address_cost): Use disp_addr_displacement function instead
5579         of DISP_ADDR_OFFSET.
5580         (sh_legitimate_address_p): Adapt to changed
5581         sh_legitimate_index_p declaration.
5582         (sh_find_mov_disp_adjust): Remove HImode check.
5583         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
5584         disp_addr_displacement and max_mov_insn_displacement.
5585         (max_mov_insn_displacement): Remove HImode check.
5586         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
5587         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
5588         * config/sh/constraints.md (K05, K13): New constraints.
5589         (K12): Correct comment.
5590         (Sdd): Do not use DISP_ADDR_P macro.
5591         (Snd, Sbw): Use satisfies_constraint_Sdd.
5592         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
5593         (*extendhisi2_compact, movhi_i): Remove.
5594         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
5595         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
5596         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
5597         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
5598         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
5599         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
5600         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
5601         CONST_OK_FOR_Kxx.
5602         Add new peepholes for HImode displacement addressing.
5604 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5606         * config/sh/sh.h (SIDI_OFF): Remove.
5607         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
5608         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
5609         or operand_subword.
5611 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
5613         PR target/52624
5614         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
5615         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
5616         * doc/md.texi (Standard Names): Add bswap.
5617         * builtin-types.def (BT_UINT16): New primitive type.
5618         (BT_FN_UINT16_UINT16): New function type.
5619         * builtins.def (BUILT_IN_BSWAP16): New.
5620         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
5621         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
5622         expand_builtin_bswap.
5623         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
5624         (fold_builtin_1): Likewise.
5625         (is_inexpensive_builtin): Likewise.
5626         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
5627         missing bits for bswap to libcall code.
5628         * tree.c (build_common_tree_nodes): Build uint16_type_node.
5629         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
5630         (uint16_type_node): New define.
5631         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
5632         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
5633         above builtin.
5634         (rs6000_init_builtins): Likewise.
5635         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
5637 2012-04-11  Tristan Gingold  <gingold@adacore.com>
5639         * doc/extend.texi (Type Attributes): Move paragraph.
5641 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5643         PR 24985
5644         * diagnostic.h (show_caret): Declare.
5645         (caret_max_width): Declare.
5646         (diagnostic_show_locus): Declare.
5647         * diagnostic.c (diagnostic_initialize): Initialize to false.
5648         (diagnostic_show_locus): New.
5649         (diagnostic_report_diagnostic): Call it.
5650         (getenv_columns): New.
5651         (adjust_line): New.
5652         (diagnostic_set_caret_max_width): New.
5653         * input.c (read_line): New.
5654         (location_get_source_line): New.
5655         * input.h (location_get_source_line): Declare.
5656         * toplev.c (general_init): Initialize show_caret from options.
5657         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
5658         * opts.c (common_handle_option): Likewise.
5659         * pretty-print.h (pp_get_prefix): New.
5660         (pp_base_get_prefix): New.
5661         * common.opt (fdiagnostics-show-caret): New option.
5662         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
5664 2012-04-11  Richard Guenther  <rguenther@suse.de>
5666         PR rtl-optimization/52881
5667         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
5669 2012-04-11  Richard Guenther  <rguenther@suse.de>
5671         PR tree-optimization/52912
5672         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
5673         manipulation code we are threading through a loop header
5674         to an exit destination.
5676 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5678         * tree.h (warn_if_unused_value): Move declaration from here.
5679         * stmt.c (warn_if_unused_value): Move definition from here.
5681 2010-04-10  Michael Matz  <matz@suse.de>
5683         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
5684         grouped_stores.
5685         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
5686         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
5687         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
5688         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
5689         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5690         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5691         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5692         (vect_record_strided_load_vectors): Rename to
5693         vect_record_grouped_load_vectors.
5694         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
5695         Rename use of above macros.
5696         (vect_verify_datarefs_alignment): Ditto.
5697         (vector_alignment_reachable_p): Ditto.
5698         (vect_peeling_hash_get_lowest_cost): Ditto.
5699         (vect_enhance_data_refs_alignment): Ditto.
5700         (vect_analyze_group_access): Ditto and rename stride to groupsize.
5701         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
5702         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5703         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5704         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5705         (vect_record_strided_load_vectors): Rename to
5706         vect_record_grouped_load_vectors.
5707         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
5708         (destroy_loop_vec_info): Ditto.
5709         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
5710         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
5711         (vect_analyze_slp): Ditto.
5712         (new_bb_vec_info): Ditto.
5713         (destroy_bb_vec_info): Ditto.
5714         (vect_schedule_slp_instance): Ditto and rename strided_store to
5715         grouped_store.
5716         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
5717         vect_cost_group_size.
5718         (vect_model_store_cost): Rename use of above macros and call
5719         to vect_cost_strided_group_size.
5720         (vect_model_load_cost): Ditto.
5721         (vectorizable_store): Ditto, rename strided_store to grouped_store
5722         and calls to renamed tree-vectorizer.h functions.
5723         (vectorizable_load): Ditto.
5724         (vect_transform_stmt): Rename use of above macros and strided_store
5725         to grouped_store.
5727 2012-04-10  Jan Hubicka  <jh@suse.cz>
5729         * cgraph.h: Remove misledaing comment on ipa-ref.h.
5730         (symtab_type): New enum.
5731         (symtab_node): New structure.
5732         (cgraph_node, varpool_node): Add symbol base type.
5733         (cgraph, varpool): New accestor functions.
5734         * cgraph.c (cgraph_create_node_1): Set symbol type.
5735         * varpool.c (varpool_node): Set symbol type.
5737 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
5738             Richard Sandiford  <rdsandiford@googlemail.com>
5740         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
5742 2012-04-10  Richard Guenther  <rguenther@suse.de>
5744         PR middle-end/52888
5745         * gimple-low.c (gimple_check_call_args): Properly account for
5746         compatible aggregate types.
5748 2012-04-10  Richard Guenther  <rguenther@suse.de>
5750         * toplev.h (tree_rest_of_compilation): Remove.
5751         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5752         * cgraph.h (tree_rest_of_compilation): Declare.
5753         * tree-optimize.c (tree_rest_of_compilation): Move ...
5754         * cgraphunit.c (tree_rest_of_compilation): ... here.
5755         * cgraph.c (cgraph_add_new_function): Adjust.
5756         * Makefile.in (tree-optimize.o): Adjust.
5757         (cgraphunit.o): Likewise.
5759 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
5761         PR tree-optimization/52870
5762         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
5763         presumed pattern statement is within the same loop or basic block.
5765 2012-04-10  Tristan Gingold  <gingold@adacore.com>
5767         * gengtype.c (main): Make uintptr_t a known type.
5769 2012-04-10  Richard Guenther  <rguenther@suse.de>
5771         * tree-pass.h (tree_lowering_passes): Remove.
5772         * tree-optimize.c (tree_lowering_passes): Remove.
5773         * cgraph.c (cgraph_add_new_function): Inline relevant parts
5774         of tree_lowering_passes, avoid redundant call of early local passes.
5775         * cgraphunit.c (cgraph_lower_function): Fold into ...
5776         (cgraph_analyze_function): ... its single caller.  Inline
5777         relevant parts of tree_lowering_passes.
5779 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5781         PR other/52777
5782         * config/pa/pa.opt: Remove SIO and GNU_LD.
5784 2012-04-09  Jan Hubicka  <jh@suse.cz>
5786         PR lto/52722
5787         PR lto/51765
5788         PR lto/52634
5789         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
5790         boundary, add its target too.
5791         * lto.c (add_references_to_partition): Add also aliased nodes.
5792         (add_cgraph_node_to_partition,
5793         add_varpool_node_to_partition): Work on nodes, not functions/variables;
5794         when adding alias, add also the aliased object.
5796 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
5798         PR target/52883
5799         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
5800         VOIDmode immediate operands.
5801         * config/i386/constraints.md (Wz): New constraint.
5802         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
5804 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
5806         PR target/52717
5807         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
5808         the DECL generated for the special GOT helper.
5810 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
5812         * config/sh/constraints.md: Update list of constraints in
5813         comment block.
5814         (Sr0): Remove unused memory constraint.
5816 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5818         * tree-pretty-print.h: Update comment.
5820 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
5822         * config/sh/sh.md: Use braced string notation where applicable.
5823         (*prefetch_i4, prefetch_m2a): Merge into ...
5824         (*prefetch): ... this new insn.
5826 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5828         * config/sh/sh.h (high_life_started): Remove
5829         * config/sh/predicates.md (general_movdst_operand): Use
5830         'reload_in_progress' instead of 'high_life_started'.
5831         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
5832         divsi_inv_fp): Likewise.
5834 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5836         * config/sh/sh-protos.h (prepare_move_operands): Return void
5837         instead of int.
5838         * config/sh/sh.c (prepare_move_operands): Likewise.
5839         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
5841 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5843         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
5844         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
5845         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
5846         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
5847         commutative_float_operator, noncommutative_float_operator,
5848         sh_handle_pragma): Remove.
5850 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
5852         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
5853         Use @option markup on command-line options.  Use @samp markup on
5854         literal keywords to options.  Use @code markup on code fragments.
5855         Use other markup in preference to quotation marks in the text.
5856         Add markup to some passages without any.
5858 2012-04-06  Mike Stump  <mikestump@comcast.net>
5860         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
5862 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5864         * config/sh/sh.c (hi_const): Remove.
5865         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
5866         of hi_const.
5868 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5870         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
5871         to bool.
5872         * config/sh/sh.c (sh_expand_t_scc): Likewise.
5873         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
5874         calling sh_expand_t_scc.
5876 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5878         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
5879         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
5880         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
5881         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
5882         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
5883         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
5884         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
5885         sh2a_is_function_vector_call): Use bool as return type.
5886         (sh_pass_in_reg_p): Remove.
5887         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
5888         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
5889         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
5890         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
5891         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
5892         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
5893         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
5894         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
5895         sh_loads_bankedreg_p): Use bool as return type.
5896         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
5897         'register' modifier.
5899 2012-04-06  Matt Turner  <mattst88@gmail.com>
5901         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
5903 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5905         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
5906         of the destination isn't also a FP_REGS register.
5908 2012-04-05  Teresa Johnson  <tejohnson@google.com>
5909             H.J. Lu  <hongjiu.lu@intel.com>
5911         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
5912         * config/i386/i386.md (move immediate to memory peephole2):
5913         Add cases for HImode move when LCP stall avoidance is needed.
5914         * config/i386/i386.c (initial_ix86_tune_features): Initialize
5915         X86_TUNE_LCP_STALL entry.
5917 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
5919         PR target/52882
5920         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
5921         CONST_INT operands, zero-extended with AND.
5923 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
5925         PR target/50751
5926         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
5927         first argument instead of mode size.  Move displacement calculations
5928         to ...
5929         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
5930         ... these new functions.
5931         (disp_adjust): Remove max_mov_disp field.
5932         (sh_legitimate_index_p): Use max_mov_insn_displacement and
5933         mov_insn_alignment_mask.
5934         (sh_address_cost): Use max_mov_insn_displacement.
5936 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
5938         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
5939         (arch_enabled): Handle new arch types.
5940         (one_cmpldi2): Add NEON support.
5942 2012-04-05  Richard Guenther  <rguenther@suse.de>
5944         * gimple.c (walk_gimple_op): Compute val_only for the LHS
5945         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
5946         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
5947         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5948         ... here and make static.
5949         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5950         Remove.
5952 2012-04-05  Richard Guenther  <rguenther@suse.de>
5954         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
5955         basic-block before removing it.
5957 2012-04-05  Richard Guenther  <rguenther@suse.de>
5959         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
5960         version namespace as we release the freelist.
5962 2012-04-05  Richard Guenther  <rguenther@suse.de>
5964         * tree-nrv.c (tree_nrv): Release VDEFs.
5965         * tree-sra.c (sra_modify_constructor_assign): Likewise.
5966         (sra_modify_assign): Likewise.
5967         * tree-vect-stmts.c (vect_remove_stores): Likewise.
5968         * tree-vect-loop.c (vect_transform_loop): Likewise.
5969         * tree-ssa-dom.c (optimize_stmt): Likewise.
5970         * tree-vect-slp.c (vect_schedule_slp): Likewise.
5971         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
5973 2012-04-05  Richard Guenther  <rguenther@suse.de>
5975         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
5976         cleanup.
5977         * gimple.h (gsi_remove): Adjust.
5978         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
5979         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
5980         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5981         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
5982         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
5983         * tree-ssa-pre.c (eliminate): Likewise.
5985 2012-04-04  Mike Stump  <mikestump@comcast.net>
5987         * doc/rtl.texi (const_double): Document as sign-extending.
5988         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
5989         * emit-rtl.c (immed_double_int_const): Refine to state the
5990         value is signed.
5991         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
5992         CONST_DOUBLE integers.
5993         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
5994         negative values are converted.  Fix conversions bigger than
5995         HOST_BITS_PER_WIDE_INT.
5996         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
5997         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
5998         * explow.c (plus_constant_mode): Add.
5999         (plus_constant): Implement with plus_constant_mode.
6000         * rtl.h (plus_constant_mode): Add.
6002 2012-04-04  Richard Guenther  <rguenther@suse.de>
6004         PR tree-optimization/52808
6005         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
6006         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
6008 2012-04-04  Tristan Gingold  <gingold@adacore.com>
6010         * expr.c (expand_expr_real_2): Handle larger sizetype in
6011         POINTER_PLUS_EXPR.
6013 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6015         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
6016         to m2a-single instead of m2e.
6018 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6020         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
6021         Change type of BITOFFSET to signed.  Make sure the lower bound of
6022         the computed range is non-negative by adjusting OFFSET and BITPOS.
6023         (expand_assignment): Adjust call to get_bit_range.
6025 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
6027         * h8300/h8300.c (h8300_current_function_monitor_function_p):
6028         New function. Added to check monitor functions.
6029         (h8300_option_override): Modified to generate error/warning
6030         messages for invalid combinations of different command line
6031         options.
6032         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
6033         save EXR on stack for monitor function in case of H8S target
6034         when "-mno-exr" is passed.
6035         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
6036         Add prototype.
6037         * doc/invoke.texi: Document H8S options.
6039 2012-04-03  Tristan Gingold  <gingold@adacore.com>
6041         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
6042         of gcc_AC_FUNC_MMAP_BLACKLIST.
6043         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
6044         * Makefile.in (aclocal_deps): Add mmap.m4.
6045         * configure: Regenerate.
6046         * aclocal.m4: Regenerate.
6048 2012-04-03  Richard Guenther  <rguenther@suse.de>
6050         PR tree-optimization/52808
6051         * tracer.c (tail_duplicate): Return whether we have duplicated
6052         any block.
6053         (tracer): If we have duplicated any block, cleanup the CFG.
6054         * cfghooks.c (duplicate_block): If we duplicated a loop
6055         header but not its loop, destroy the loop because it now has
6056         multiple entries.
6057         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
6058         the cfg manipulation routines we are not creating a multiple
6059         entry loop.
6061 2012-04-03  Tristan Gingold  <gingold@adacore.com>
6063         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
6064         'byte' alignment.
6065         (vms_c_common_override_options): Allow parameterless variadic
6066         functions.
6068 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
6070         PR tree-optimization/52835
6071         * tree-data-ref.c (build_rdg): Return NULL if
6072         compute_data_dependences_for_loop failed.
6074 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6076         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
6077         for REAL_CST as well.
6078         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
6079         In the bitfield case, if the value is a REAL_CST, convert it first to
6080         an INTEGER_CST.
6082 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6084         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
6085         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
6086         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
6088         * config/i386/biarchx32.h: New.
6090 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
6092         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
6093         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
6094         (arm_preferred_reload_class): New function.
6096 2012-04-02  Richard Guenther  <rguenther@suse.de>
6098         PR tree-optimization/52756
6099         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
6100         (thread_through_loop_header): After threading through the loop latch
6101         remove the split part from the loop and clear further threading
6102         opportunities that would create a multiple entry loop.
6104 2012-04-02  Richard Guenther  <rguenther@suse.de>
6106         PR rtl-optimization/52800
6107         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
6108         CLEANUP_CFG_CHANGED.
6110 2012-04-02  Richard Guenther  <rguenther@suse.de>
6112         PR middle-end/52803
6113         * loop-init.c (gate_handle_loop2): Destroy loops here if
6114         we don't enter RTL loop optimizers.
6116 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
6118         Partially revert:
6119         2012-03-29  Richard Guenther  <rguenther@suse.de>
6121         * rtl.h (extended_count): Remove.
6122         * combine.c (extended_count): Remove.
6124 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
6126         PR c++/40942
6127         * pt.c (more_specialized_fn):  Don't apply decay conversion to
6128         types of function parameters.
6130 2012-04-02  Tristan Gingold  <gingold@adacore.com>
6132         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
6133         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
6134         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
6135         (ggc_pch_this_base): Use uintptr_t instead of size_t.
6137 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
6139         PR bootstrap/52784
6140         * config/i386/i386.c (ix86_option_override_internal): Don't
6141         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
6143 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
6145         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
6146         (stmt_can_make_abnormal_goto): Use it.
6147         (is_ctrl_altering_stmt): Likewise.
6149 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
6150             Kaz Kojima  <kkojima@gcc.gnu.org>
6152         * config/sh/sh.c (push_regs): Skip banked registers when
6153         resbank attribute is specified.
6154         (sh_expand_epilogue): Likewise.
6156 2012-03-30  Richard Henderson  <rth@redhat.com>
6158         PR debug/52727
6159         * combine-stack-adj.c (prev_active_insn_bb): New.
6160         (next_active_insn_bb): New.
6161         (force_move_args_size_note): New.
6162         (combine_stack_adjustments_for_block): Use it.
6164 2012-03-30  Richard Henderson  <rth@redhat.com>
6166         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
6167         (ix86_expand_vector_init_duplicate): Initialize it.
6168         (expand_vec_perm_palignr): Likewise.
6169         (ix86_expand_vec_perm_const): Likewise.
6170         (ix86_vectorize_vec_perm_const_ok): Likewise.
6171         (expand_vec_perm_blend): Use it.
6172         (expand_vec_perm_vpermil): Likewise.
6173         (expand_vec_perm_pshufb): Likewise.
6174         (expand_vec_perm_1): Likewise.
6175         (expand_vec_perm_pshuflw_pshufhw): Likewise.
6176         (expand_vec_perm_interleave2): Likewise.
6177         (expand_vec_perm_vpermq_perm_1): Likewise.
6178         (expand_vec_perm_vperm2f128): Likewise.
6179         (expand_vec_perm_interleave3): Likewise.
6180         (expand_vec_perm_vperm2f128_vblend): Likewise.
6181         (expand_vec_perm_vpshufb2_vpermq): Likewise.
6182         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
6183         (expand_vec_perm_broadcast): Likewise.
6184         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
6186 2012-03-30  Richard Henderson  <rth@redhat.com>
6188         * dwarf2out.c (gen_variable_die): Initialize off.
6190 2012-03-30  Tristan Gingold  <gingold@adacore.com>
6192         * config/vms/vms-f.c: New file.
6193         * config/vms/t-vms (vms-f.o): New rule.
6194         * config.gcc (*-*-*vms*): Define fortran_target_objs.
6196 2012-03-30  Richard Guenther  <rguenther@suse.de>
6198         PR tree-optimization/52754
6199         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
6200         propagate arbitrary addresses into really plain dereferences.
6202 2012-03-30  Richard Guenther <rguenther@suse.de>
6204         PR middle-end/52772
6205         * except.c (emit_to_new_bb_before): Move loop updating ...
6206         (dw2_build_landing_pads): ... here.  Use a proper block for
6207         querying the loop father.
6209 2012-03-30  Tristan Gingold  <gingold@adacore.com>
6211         * config/ia64/ia64.c (ia64_section_type_flags): Remove
6212         common_object attribute handling.
6213         (SECTION_VMS_OVERLAY): Remove
6214         (ia64_vms_common_object_attribute): Replace abort with an assert.
6215         Do not set DECL_SECTION_NAME.
6216         (ia64_vms_output_aligned_decl_common): Handle common_object
6217         attribute.
6218         (ia64_vms_elf_asm_named_section): Remove.
6219         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
6221 2012-03-30  Richard Guenther  <rguenther@suse.de>
6223         PR middle-end/52786
6224         * double-int.c (rshift_double): Remove not needed cast.
6226 2012-03-30  Richard Guenther  <rguenther@suse.de>
6228         * tree-affine.h (print_aff): Remove.
6229         * tree-affine.c (print_aff): Make static.
6230         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
6231         (get_references_in_stmt): Likewise.
6232         (print_direction_vector): Likewise.
6233         (print_dir_vectors): Likewise.
6234         (print_dist_vectors): Likewise.
6235         (dump_subscript): Likewise.
6236         (dump_ddrs): Likewise.
6237         (dump_dist_dir_vectors): Likewise.
6238         (dump_data_references): Likewise.
6239         (dump_data_dependence_relation): Likewise.
6240         (dump_data_dependence_direction): Likewise.
6241         (dump_rdg_vertex): Likewise.
6242         (dump_rdg_component): Likewise.
6243         (debug_ddrs): Declare.
6244         (struct data_ref_loc_d): Move ...
6245         * tree-data-ref.c (struct data_ref_loc_d): ... here.
6246         (get_references_in_stmt): Make static.
6247         (dump_data_references): Likewise.
6248         (dump_subscript): Likewise.
6249         (print_direction_vector): Likewise.
6250         (print_dir_vectors): Likewise.
6251         (print_dist_vectors): Likewise.
6252         (dump_data_dependence_relation): Likewise.
6253         (dump_dist_dir_vectors): Likewise.
6254         (dump_ddrs): Likewise.
6255         (dump_rdg_vertex): Likewise.
6256         (dump_rdg_component): Likewise.
6257         (debug_ddrs): New function.
6258         (access_matrix_get_index_for_parameter): Remove.
6260 2012-03-30  Tristan Gingold  <gingold@adacore.com>
6262         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
6263         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
6264         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
6265         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
6266         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
6267         (vms_patch_builtins): Handle new flags
6268         * config/vms/vms-crtlmap.map: Completed using nm on
6269         c and math system libraries.
6270         * config/vms/make-crtlmap.awk: Handle any number of flags.
6272 2012-03-30  Martin Jambor  <mjambor@suse.cz>
6274         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
6275         is a builtin_stack_save in a dominating BB.
6277 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
6279         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
6280         crossing 128bit lane boundary.
6282 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
6284         * ira-color.c (setup_left_conflict_sizes_p): Process all
6285         conflicting objects.
6287 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
6289         PR tree-optimization/52760
6290         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
6291         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
6293 2012-03-29  Richard Guenther  <rguenther@suse.de>
6295         * cgraph.h (cgraph_materialize_all_clones): Remove.
6296         (reset_inline_failed): Likewise.
6297         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
6298         * cgraphbuild.c (reset_inline_failed): Remove.
6299         * rtl.h (cse_main): Remove.
6300         (extended_count): Likewise.
6301         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
6302         (cse_main): Make static.
6303         * combine.c (extended_count): Remove.
6304         (dump_combine_stats): Mark as DEBUG_FUNCTION.
6305         * basic-block.h (reorder_basic_blocks): Remove.
6306         * bb-reorder.c (reorder_basic_blocks): Make static.
6307         * Makefile.in (dse.o): Remove dse.h dependency.
6308         * dse.h: Remove.
6309         * dse.c (gate_dse): Remove.
6310         (clear_alias_mode_eq): Likewise.
6311         (clear_alias_mode_hash): Likewise.
6312         (dse_record_singleton_alias_set): Likewise.
6313         (dse_invalidate_singleton_alias_set): Likewise.
6315 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6317         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
6318         crtbegin_so%O%s for -shared.
6319         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
6321 2012-03-29  Richard Guenther  <rguenther@suse.de>
6323         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
6324         (add_to_value): Remove.
6325         (print_value_expressions): Likewise.
6326         * tree-ssa-pre.c (add_to_value): Make static.
6327         (print_value_expressions): Likewise.
6328         * gimple.h (gimple_adjust_this_by_delta): Remove.
6329         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
6331 2012-03-29  Richard Guenther  <rguenther@suse.de>
6333         PR middle-end/50708
6334         * double-int.h (rshift_double): Remove.
6335         * double-int.c (lshift_double): Use absu_hwi to make count positive.
6336         (rshift_double): Make static, take unsigned count argument,
6337         remove handling of negative count argument.
6338         (double_int_rshift): Dispatch to lshift_double.
6340 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
6342         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
6343         OPTION_MASK_ABI_64.
6345         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
6346         (SPEC_X32): Likewise.
6347         (MULTILIB_DEFAULTS): Likewise.
6349         * config/i386/i386.c (isa_opts): Remove -m64.
6350         (ix86_target_string): Properly handle -m32/-m64/-mx32.
6351         (ix86_option_override_internal): Properly
6352         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
6353         handle -m32, -m64 and -mx32.
6355         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
6356         with OPTION_ABI_X32.  Moved after TARGET_LP64.
6357         (TARGET_LP64): Changed to OPTION_ABI_64.
6359         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
6360         (mx32): Replace ISA_X32 with ABI_X32.
6362 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
6364         * tree.c (tree_size) <VECTOR_CST>: New case.
6366 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
6368         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
6369         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
6371 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
6373         PR middle-end/52691
6374         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
6375         __builtin_va_start to __builtin_next_arg if the latter is
6376         builtin_decl_explicit_p rather than when it is not.
6378         PR middle-end/52750
6379         * tree-vect-generic.c (vector_element): Perform multiplication
6380         for pos in bitsizetype type instead of idx type.
6382 2012-03-28  Richard Guenther  <rguenther@suse.de>
6384         * loop-init.c (loop_optimizer_init): If loops are preserved
6385         perform incremental initialization of required loop features.
6386         (loop_optimizer_finalize): If loops are to be preserved only
6387         clean up optional loop features.
6388         (rtl_loop_done): Forcefully free loops here.
6389         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
6390         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
6391         to existing loops.
6392         (construct_init_block): Likewise.
6393         (construct_exit_block): Likewise.
6394         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
6395         the CFG after expanding.
6396         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
6397         If we needed to calculate them, free them afterwards.
6398         * tree-pass.h (PROP_loops): New define.
6399         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
6400         * basic-block.h (CLEANUP_CFG_CHANGED): New.
6401         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
6402         (cleanup_cfg): If we did something and have loops around, fix them up.
6403         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
6404         with CLEANUP_CFG_CHANGED.
6405         * cfghooks.c (merge_blocks): If we merge a loop header into
6406         its predecessor, update the loop structure.
6407         (duplicate_block): If we copy a loop latch, adjust loop state
6408         to note we may have multiple latches.
6409         (delete_basic_block): Mark loops for fixup if we remove a loop.
6410         * cfganal.c (forwarder_block_p): Protect loop latches, headers
6411         and preheaders.
6412         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
6413         (cfg_layout_can_merge_blocks_p): Likewise.
6414         * cprop.c (bypass_block): If we create a loop with multiple
6415         entries, mark it for removal.
6416         * except.c (emit_to_new_bb_before): Add the new basic-block
6417         to existing loops.
6418         * tree-eh.c (lower_resx): Likewise.
6419         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
6420         (expand_omp_taskreg): Likewise.
6421         * tree-inline.c (initialize_cfun): Likewise.
6422         * tree-mudflap.c (add_bb_to_loop): Prototype.
6423         (mf_build_check_statement_for): Properly add new basic-blocks
6424         to existing loops.
6425         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
6426         if we remove a loop.
6427         (thread_through_loop_header): Likewise.
6428         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
6429         new basic-blocks to existing loops.
6430         (expand_transaction): Likewise.
6431         * Makefile.in (except.o): Add $(CFGLOOP_H).
6432         (expr.o): Likewise.
6433         (cgraph.o): Likewise.
6434         (cprop.o): Likewise.
6435         (cfgexpand.o): Likewise.
6436         (cfganal.o): Likewise.
6437         (trans-mem.o): Likewise.
6438         (tree-eh.o): Likewise.
6440 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
6442         PR target/52692
6443         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
6444         (avr_builtin_decl): New static function.
6445         (struct avr_builtin_description, avr_bdesc): Move up.
6446         Add GTY marker. Add field fndecl. Remove redundant field id.
6447         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
6448         (avr_expand_builtin): Code cleanup because .id is removed.
6450 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
6452         PR target/52737
6453         * config.gcc (tm_file): Remove avr/multilib.h.
6455         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
6457         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
6458         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
6459         * config/avr/t-avr: Remove generation of multilib.h.
6460         * config/avr/t-multilib: Regenerate.
6461         * config/avr/multilib.h: Remove.
6462         * config/avr/avr.opt (-msp8): New option.
6463         (avr_sp8): New variable.
6464         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
6465         * config/avr/avr.h (AVR_HAVE_SPH): New define.
6466         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
6467         (avr_device_to_sp8): New prototype.
6468         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
6469         (DRIVER_SELF_SPECS): New define.
6470         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
6471         __AVR_SP8__, __AVR_HAVE_SPH__.
6472         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
6473         AVR_HAVE_8BIT_SP to decide if SP_H is present.
6474         (avr_file_start): Ditto.
6476 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
6478         PR target/52736
6479         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
6480         instead of 8 in adjust_address.
6482 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
6484         PR middle-end/51893
6485         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
6486         targets.
6488 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
6490         PR target/50751
6491         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
6492         Rearrange conditional logic.  Move displacement address calculations
6493         to ...
6494         (sh_find_mov_disp_adjust): ... this new function.
6496 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6498         * config/arm/arm.opt (mapcs): Remove MaskExists.
6499         * config/cris/linux.opt (mno-gotplt): Likewise.
6500         * config/i386/i386.opt (mhard-float): Likewise.
6501         (msse4): Likewise.
6502         (mno-sse4): Likewise.
6503         * config/m68k/m68k.opt (mhard-float): Likewise.
6504         * config/mep/mep.op (mcop32): Likewise.
6505         * config/pa/pa-hpux.opt (msio): Likewise.
6506         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
6507         * config/picochip/picochip.opt (mlittle): Likewise.
6508         * config/sh/sh.opt (mrenesas): Likewise.
6509         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
6510         * config/sparc/sparc.opt (mhard-float): Likewise.
6511         * config/v850/v850.opt (mv850es): Likewise.
6512         * config/vax/vax.opt (mg-float): Likewise.
6514 2012-03-27  Martin Jambor  <mjambor@suse.cz>
6516         PR middle-end/52693
6517         * tree-sra.c (sra_modify_assign): Do not call
6518         load_assign_lhs_subreplacements when working with an unscalarizable
6519         region.
6521 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
6523         PR target/52698
6524         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
6525         New prototype.
6526         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
6527         * config/i386/i386.c: Include reload.h.
6528         (ix86_legitimize_reload_address): New function.
6530 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6532         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
6533         hasn't been allocated.  Define a target macro for Mask and
6534         InverseMask if it hasn't been defined.  Remove MaskExists handling.
6536         * doc/options.texi: Remove MaskExists.
6538 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
6540         PR target/52667
6541         * config/sh/sh.c (find_barrier): Add equality check of last_got
6542         to avoid going above orig insn. Update comments.
6544 2012-03-27  Richard Guenther  <rguenther@suse.de>
6546         PR middle-end/52720
6547         * fold-const.c (try_move_mult_to_index): Handle &x.array more
6548         explicitely.
6550 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
6552         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
6553         of a unit before computing the offset in units.
6554         * expr.c (get_bit_range): Return the null range if the enclosing record
6555         is part of a larger bit field.
6557 2012-03-27  Tristan Gingold  <gingold@adacore.com>
6559         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
6560         * config/ia64/ia64.md: Remove mode in template.
6561         Sign extend operand in expand_simple_binop.
6562         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
6563         CASE_VECTOR_MODE instead of TARGET_ILP32.
6564         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
6566 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
6568         * varasm.c (assemble_external): #if 0 out the new assert from the
6569         previous commit, it breaks the Java and Go front ends.
6571 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
6573         * toplev.c (check_global_declaration_1): Do not call assemble_external.
6574         * expr.c (emit_block_move_libcall_fn): Likewise.
6575         (clear_storage_libcall_fn): Likewise.
6576         (expand_expr_addr_expr_1): Likewise.
6577         (expand_expr_real_1): Likewise.
6578         * calls.c (rtx_for_function_call): Likewise.
6580         * varasm.c (assemble_external): Assert this function is only called
6581         during or after expanding to RTL.
6583 2012-03-26  Martin Jambor  <mjambor@suse.cz>
6585         PR tree-optimization/50052
6586         * tree-sra.c (tree_non_aligned_mem_p): Removed.
6587         (tree_non_aligned_mem_for_access_p): Likewise.
6588         (build_accesses_from_assign): Removed strict alignment requirements
6589         checks.
6590         (access_precludes_ipa_sra_p): Likewise.
6592 2012-03-26  Richard Guenther  <rguenther@suse.de>
6594         PR tree-optimization/52701
6595         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
6596         compute and set the evolution part of PHI nodes.
6598 2012-03-26  Richard Guenther  <rguenther@suse.de>
6600         PR tree-optimization/52721
6601         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
6603 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
6605         PR tree-optimization/52686
6606         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
6607         WIDEN_LSHIFT_EXPR.
6609 2012-03-26  Tristan Gingold  <gingold@adacore.com>
6611         * config/alpha/vms.h (LINK_SPEC): Simplify.
6612         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
6613         (NAME__MAIN, SYMBOL__MAIN): Remove.
6614         (VMS_DEBUG_MAIN_POINTER): Remove.
6615         * config/ia64/vms.h: Likewise.
6616         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
6617         code to vms.c.  Call vms_start_function.
6618         * config/ia64/ia64.c (ia64_start_function): Likewise.
6619         * config/vms/vms-protos.h (vms_start_function): Declare.
6620         * config/vms/vms.c (vms_start_function): New function.
6621         * config/vms/vms.h (MATH_LIBRARY): Define.
6622         (VMS_DEBUG_MAIN_POINTER): Define.
6624 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
6626         PR rtl-optimization/52629
6627         * reload1.c (count_pseudo): Short-circuit common case.
6628         (count_spilled_pseudo): Return early for pseudos without hard regs.
6629         Assert that the pseudo has got a hard reg before manipulating it.
6631 2012-03-24  Jan Hubicka  <jh@suse.cz>
6633         PR lto/51663
6634         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
6635         (decide_is_variable_needed): Do not handle toplevel reorder here.
6636         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
6637         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
6638         even at -O0.
6640 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6642         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
6643         and str_bitsize instead of more convoluted expressions.
6645 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6647         PR target/52610
6648         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
6650 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6652         PR target/52656
6653         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
6655 2012-03-23  Martin Jambor  <mjambor@suse.cz>
6657         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
6659 2012-03-23  Richard Guenther  <rguenther@suse.de>
6661         PR tree-optimization/52678
6662         * tree-vectorizer.h (struct _stmt_vec_info): Add
6663         loop_phi_evolution_part member.
6664         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
6665         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
6666         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
6667         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6668         Use the cached evolution part and the PHI nodes value from
6669         the loop preheader edge instead of re-analyzing the evolution.
6671 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6673         * config/mips/mips-tables.opt: Update.
6674         * config/mips/mips.md (processor): Add xlp.
6675         * config/mips/mips-cpus.def: Add xlp.
6676         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
6677         5KF for now.
6678         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
6679         * doc/invoke.texi: Mention XLP.
6681 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
6683         PR middle-end/52547
6684         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
6685         on any new_local_var_chain vars declared during recursing on
6686         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
6688 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
6690         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
6691         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
6692         (ASM_OUTPUT_LOCAL): Ditto.
6693         (ASM_OUTPUT_COMMON): Remove.
6694         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
6695         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
6697 2012-03-22  Jan Hubicka  <jh@suse.cz>
6699         PR middle-end/51737
6700         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
6701         parameter.
6702         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
6703         * ipa-inline-transform.c (save_inline_function_body): Remove
6704         copied clone if needed.
6705         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
6707 2012-03-22  Richard Guenther  <rguenther@suse.de>
6709         PR middle-end/52666
6710         * fold-const.c (fold_ternary_loc): Fix typo.
6712 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
6714         PR target/52496
6715         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
6716         (unspecv): Add UNSPECV_MEMORY_BARRIER.
6717         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
6718         (delay_cycles_1, delay_cycles_2): Ditto.
6719         (delay_cycles_3, delay_cycles_4): Ditto.
6720         (nopv, *nopv): Ditto.
6721         (sleep, *sleep): Ditto.
6722         (wdr, *wdr): Ditto.
6724 2012-03-22  Richard Guenther  <rguenther@suse.de>
6726         PR tree-optimization/52548
6727         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
6728         because of clobbers.
6729         (prune_clobbered_mems): New function.
6730         (compute_antic_aux): Use it to prune ANTIC_OUT.
6731         (compute_partial_antic_aux): Use it to prune PA_IN.
6732         (compute_avail): Only insert expressions into EXP_GEN that are not
6733         invalidated when translated up to the beginning of the block.
6735 2012-03-22  Richard Guenther  <rguenther@suse.de>
6737         PR tree-optimization/52638
6738         * tree-vect-stmts.c (vect_init_vector_1): New function, split
6739         out from ...
6740         (vect_init_vector): ... here.  Handle scalar vector inits.
6741         (vect_get_vec_def_for_operand): Adjust.
6742         (vectorizable_load): Likewise.
6744 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
6746         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
6747         (alpha*-*-freebsd*): Ditto.
6748         (alpha*-*-netbsd*): Ditto.
6749         (alpha*-*-openbsd*): Ditto.
6750         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
6751         (DWARF2_DEBUGGING_INFO): Remove.
6752         (PREFERRED_DEBUGGING_TYPE): Remove.
6753         (ASM_FINAL_SPEC): Remove.
6754         (IDENT_ASM_OP): Remove.
6755         (ASM_OUTPUT_IDENT): Remove.
6756         (SKIP_ASM_OP): Remove.
6757         (ASM_OUTPUT_SKIP): Remove.
6758         (ALIGN_ASM_OP): Remove.
6759         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
6760         (ASM_OUTPUT_CASE_LABEL): Remove.
6761         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
6762         (COMMON_ASM_OP): Remove.
6763         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6764         (ASCII_DATA_ASM_OP): Remove.
6765         (READONLY_DATA_SECTION_ASM_OP): Remove.
6766         (INIT_SECTION_ASM_OP): Remove.
6767         (FINI_SECTION_ASM_OP): Remove.
6768         (ASM_SECTION_START_OP): Remove.
6769         (ASM_OUTPUT_SECTION_START_FILE): Remove.
6770         (TARGET_ASM_NAMED_SECTION): Remove.
6771         (TARGET_ASM_SELECT_SECTION): Remove.
6772         (MAKE_DECL_ONE_ONLY): Remove.
6773         (TYPE_ASM_OP): Remove.
6774         (SIZE_ASM_OP): Remove.
6775         (ASM_WEAKEN_LABEL): Remove.
6776         (TYPE_OPERAND_FMT): Remove.
6777         (ASM_DECLARE_RESULT): Remove.
6778         (ASM_DECLARE_OBJECT_NAME): Remove.
6779         (ASM_FINISH_DECLARE_OBJECT): Remove.
6780         (ELF_ASCII_ESCAPES): Remove.
6781         (ELF_STRING_LIMIT): Remove.
6782         (STRING_ASM_OP): Remove.
6783         (ASM_OUTPUT_EXTERNAL): Remove.
6784         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
6785         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
6786         before define.
6787         (ASM_DECLARE_FUNCTION_NAME): Ditto.
6788         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
6789         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
6790         (ASM_OUTPUT_SKIP): Ditto.
6791         (READONLY_DATA_SECTION_ASM_OP): Remove.
6792         (USER_LABEL_PREFIX): Remove.
6793         (ASM_OUTPUT_ASCII): Remove.
6794         (ASM_OUTPUT_CASE_LABEL): Remove.
6795         (NO_DOLLAR_IN_LABEL): Undefine.
6797 2012-03-22  Richard Guenther  <rguenther@suse.de>
6799         PR tree-optimization/52459
6800         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
6801         PHI insertion for calls.
6803 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
6805         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
6806         find_sets_in_insn, canonicalize_insn): Split out from ...
6807         (cse_insn): ... here.
6808         (invalidate_from_clobbers): Take an insn instead of the pattern.
6810 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
6812         PR target/52479
6813         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
6814         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
6815         * config/sh/sh.md (sindf2, cosdf2): Remove.
6817 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
6819         PR target/52642
6820         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
6821         prologue for unwinder and profiler.
6823 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
6825         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
6826         Introduce emul_name to select the right linker emulation for
6827         powerpc64-*-freebsd*.
6828         * configure: Regenerate.
6829         * config.gcc: Add bits to support powerpc64-*-freebsd*.
6830         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
6831         * config/rs6000/freebsd64.h: New file.
6832         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
6833         POWERPC_FREEBSD.
6834         (rs6000_savres_strategy): Likewise.
6835         (rs6000_savres_routine_name): Likewise.
6836         (rs6000_elf_file_end): Likewise.
6837         * config/rs6000/t-freebsd64: New file.
6838         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
6839         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
6841         * config/rs6000/freebsd64.h: Remove duplicated entries from last
6842         commit.
6843         * config/rs6000/t-freebsd64: Likewise.
6845 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
6847         PR rtl-optimization/52543
6848         PR target/52461
6849         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
6850         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
6851         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
6852         (avr_load_libgcc_p): Restrict to __flash loads.
6853         (avr_out_lpm): Only handle 1-byte loads from __flash.
6854         (avr_load_lpm): New function.
6855         (avr_find_unused_d_reg): Remove.
6856         (avr_out_lpm_no_lpmx): Remove.
6857         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
6858         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
6859         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
6860         (load_<mode>, load_<mode>_clobber): New insns.
6861         (mov<mode>): For multi-byte move from non-generic
6862         16-bit address spaces: Expand to load_<mode> resp.
6863         load_<mode>_clobber.
6864         (load<mode>_libgcc): Remove expander.
6865         (split-lpmx): Remove split.
6867 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
6869         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
6870         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
6871         All callers changed.
6872         (Fixed_core_reg): New feature.
6873         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
6874         disassembly.
6875         * neon-testgen.ml: Handle Fixed_core_reg.
6877 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
6879         * config/arm/arm.c (thumb2_reorg): Add complete support
6880         for 16-bit instructions.
6881         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
6883 2012-03-21  Richard Guenther  <rguenther@suse.de>
6885         PR tree-optimizer/52636
6886         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
6887         to the appropriate type.
6889 2012-03-21  Richard Guenther  <rguenther@suse.de>
6891         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
6892         dependencies.
6893         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
6894         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6895         * passes.c (init_optimization_passes): Remove pass_init_function,
6896         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6897         * tree-pass.h (pass_init_function): Remove.
6898         (pass_jump): Remove.
6899         (pass_initial_value_sets): Remove.
6900         (pass_unshare_all_rtl): Remove.
6901         * integrate.c (pass_initial_value_sets): Remove.
6902         * emit-rtl.c (pass_unshare_all_rtl): Remove.
6903         * tree.h (init_function_for_compilation): Remove.
6904         * function.c (init_function_for_compilation): Remove.
6905         (pass_init_function): Remove.
6906         * cfgcleanup.c (rest_of_handle_jump): Remove.
6907         (pass_jump): Remove.
6909 2012-03-20  Jason Merrill  <jason@redhat.com>
6911         * tree-streamer-in.c (streamer_alloc_tree): Call
6912         ggc_alloc_zone_cleared_tree_node instead of
6913         ggc_alloc_zone_cleared_tree_node_stat.
6915 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
6917         * doc/extend.texi (Template Instantiation): Remove anachronisms.
6919 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
6921         PR target/52607
6922         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
6923         (ix86_expand_vec_perm_const_1): Call it.
6925         * config/i386/i386.c (vselect_insn): New variable.
6926         (init_vselect_insn): New function.
6927         (expand_vselect, expand_vselect_insn): Add testing_p argument.
6928         Call init_vselect_insn if vselect_insn is NULL.  Adjust
6929         PATTERN (vselect_insn), instead of creating a new insn each time,
6930         only emit a copy of it if not testing and recog has been successful.
6931         (expand_vec_perm_pshufb, expand_vec_perm_1,
6932         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
6933         callers.
6935         PR target/52607
6936         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
6937         ("enabled" attribute): Handle avx2 and noavx2 isas.
6938         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
6939         New insns.
6940         (vec_dup<mode>): Add avx2 =x,x alternative.
6941         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
6942         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
6943         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
6944         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
6945         for V8SFmode.
6946         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
6947         if possible, handle also V8SFmode.
6949 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
6951         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
6952         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
6953         reg_or_zero_operand predicate.
6954         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
6956 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
6958         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
6959         If operand isn't UNSPEC, return 0.
6961 2012-03-20  Richard Guenther  <rguenther@suse.de>
6963         * tree-pass.h (pass_rtl_eh): Remove.
6964         * except.c (gate_handle_eh): Likewise.
6965         (rest_of_handle_eh): Likewise.
6966         (pass_rtl_eh): Likewise.
6967         (finish_eh_generation): Export.
6968         * except.h (finish_eh_generation): Declare.
6969         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
6970         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
6971         after expanding stack alignment.  Instead of compacting blocks
6972         call cleanup_cfg.
6974 2012-03-20  Richard Guenther  <rguenther@suse.de>
6976         * stor-layout.c (finish_bitfield_representative): Fallback
6977         to conservative maximum size if the padding up to the next
6978         field cannot be computed as a constant.
6979         (finish_bitfield_layout): If we cannot compute the distance
6980         between the start of the bitfield representative and the
6981         bitfield member start a new representative.
6982         * expr.c (get_bit_range): The distance between the start of
6983         the bitfield representative and the bitfield member is zero
6984         if the field offsets are not constants.
6986 2012-03-20  Tristan Gingold  <gingold@adacore.com>
6988         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
6989         convert in lowercase.
6990         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
6991         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
6992         * stor-layout.c (sizetype_tab): Adjust.
6993         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
6994         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
6995         instead of type_kind_last.
6996         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
6997         instead of size_int_kind.
6998         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
6999         * doc/tm.texi: Regenerate.
7000         * defaults.h (SIZETYPE): Provide a default value.
7001         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
7002         (SIZETYPE): Define.
7004 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
7006         * config/sh/sh.md: Use braced string notation where applicable.
7008 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7010         * config/i386/i386.md (allocate_stack): Simplify.
7012 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7014         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
7015         copy_to_mode_reg (Pmode, ...).
7016         (expand_builtin_frame_address): Ditto.
7017         * expr.c (emit_block_move_via_libcall): Ditto.
7018         (set_storage_via_libcall): Ditto.
7020         * config/i386/i386.c (ix86_expand_movmem): Ditto.
7021         (ix86_expand_setmem): Ditto.
7022         (ix86_trampoline_init): DItto.
7023         * config/i386/i386.md (cmpstrnsi): Ditto.
7025 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
7027         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
7028         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
7029         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
7030         (SH Options): Likewise.
7032 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7034         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
7035         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
7036         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
7037         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
7038         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
7040         Revert:
7041         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7043         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
7044         * config/i386/i386.c (ix86_decompose_address): Use
7045         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
7046         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
7047         thread pointer to a register.
7049         Revert:
7050         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
7052         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
7053         if Pmode != word_mode.
7054         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
7055         Pmode == SImode for TARGET_X32.
7057         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
7058         (tls_initial_exec_x32): Likewise.
7060 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
7062         PR target/50751
7063         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
7064         DISP_ADDR_OFFSET): New macros.
7065         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
7066         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
7067         (sh_legitimize_address): Add QImode displacement handling.
7068         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
7069         vector subregs.
7070         (sh_secondary_reload): Add QImode displacement handling.
7071         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
7072         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
7073         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
7074         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
7075         to register operands only.
7076         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
7077         (extendqihi2): Change insn to expander.
7078         (*extendqihi2_compact_reg): New insn.
7079         (movqi_i, movqi): Replace with ...
7080         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
7081         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
7082         Add new peepholes for QImode displacement addressing.
7084 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
7086         PR c++/14710
7087         * doc/invoke.texi: Document -Wuseless-cast.
7089 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
7091         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
7092         * tree.h (handled_component_p): Reorder cases.
7093         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
7094         not initialize unsignedp.
7095         (loc_list_from_tree): Likewise.
7096         (fortran_common): Likewise.
7097         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
7099 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
7101         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
7102         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
7103         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
7104         (ix86_split_long_move): Ditto.
7105         (legitimize_tls_address): Use ix86_gen_sub3.
7106         (construct_plt_address): Assert that Pmode == DImode.
7108 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
7110         * config/i386/i386.md: Remove empty predicates and/or constraints.
7111         * config/i386/sync.md: Ditto.
7112         * config/i386/sse.md: Ditto.
7113         * config/i386/mmx.md: Ditto.
7114         * config/i386/pentium.md: Ditto.
7115         * config/i386/athlon.md: Ditto.
7117 2012-03-16  Richard Guenther  <rguenther@suse.de>
7119         PR tree-optimization/52603
7120         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
7121         comment.
7123         Revert
7124         2012-03-14  Richard Guenther  <rguenther@suse.de>
7126         PR tree-optimization/52571
7127         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
7128         flag_section_anchors check ...
7129         (vect_can_force_dr_alignment_p): ... here.
7131 2012-03-16  Martin Jambor  <mjambor@suse.cz>
7133         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
7134         memory through MEM_REFs by calling extract_bit_field.
7136 2012-03-16  Richard Guenther  <rguenther@suse.de>
7138         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
7139         and REFERENCE_TYPE interpretations.
7140         (can_native_interpret_type_p): New function.
7141         (fold_ternary_loc): Use native encode/interpret to fold
7142         BIT_FIELD_REFs of constants.
7144 2012-03-16  Richard Guenther  <rguenther@suse.de>
7146         PR middle-end/52584
7147         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
7148         of vector constants and constructors.
7150 2012-03-16  Richard Guenther  <rguenther@suse.de>
7152         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
7153         VIEW_CONVERT_EXPR to convert constants.
7154         (vect_is_simple_use): Treat all constants as vec_constant_def.
7156 2012-03-16  Richard Guenther  <rguenther@suse.de>
7157             Kai Tietz  <ktietz@redhat.com>
7159         PR middle-end/48814
7160         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
7161         side-effects completely in the pre-queue and use a temporary
7162         for the result.
7164 2012-03-16  Richard Guenther  <rguenther@suse.de>
7166         * stor-layout.c (finish_bitfield_representative): Fall back
7167         to the conservative maximum size if we cannot compute the
7168         size of the tail padding.
7170 2012-03-16  Tristan Gingold  <gingold@adacore.com>
7172         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
7173         __CRTL_VER and __VMS_VER.
7174         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
7175         and vms_c_get_vms_ver.
7176         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
7177         functions.
7178         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
7179         (VMS_DEFAULT_VMS_VER): Define.
7180         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
7181         (VMS_DEFAULT_VMS_VER): Define.
7183 2012-03-16  Richard Guenther  <rguenther@suse.de>
7185         * tree-vect-loop.c (get_initial_def_for_induction): Use
7186         build_constructor directly.
7187         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
7188         build_vector_from_val.
7189         * tree.c (build_vector_from_val): Avoid creating a constructor
7190         first when we want a constant vector.
7192 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7194         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
7196 2012-03-16  Richard Guenther  <rguenther@suse.de>
7198         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
7199         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
7200         (struct tree_vector): Remove elements member, add variable size
7201         elts array member.
7202         (build_vector_stat): Declare.
7203         (build_vector): Define in terms of build_vector_stat.
7204         * tree.c (build_vector): Rename to ...
7205         (build_vector_stat): ... this.  Take array of trees as parameter.
7206         (build_vector_from_ctor): Adjust.
7207         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
7208         initializer_zerop): Adjust.
7209         * cfgexpand.c (expand_debug_expr): Likewise.
7210         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
7211         const_vector_from_tree): Likewise.
7212         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
7213         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
7214         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
7215         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
7216         (lto_input_ts_vector_tree_pointers): Adjust.
7217         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
7218         (write_ts_vector_tree_pointers): Adjust.
7219         * varasm.c (const_hash_1, compare_constant, copy_constant,
7220         output_constant): Adjust.
7221         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
7222         * print-tree.c (print_node): Adjust.
7223         * tree-pretty-print.c (dump_generic_node): Adjust.
7224         * tree-vect-generic.c (uniform_vector_p, vector_element,
7225         lower_vec_perm): Adjust.
7226         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
7227         * tree-vect-slp.c (vect_get_constant_vectors,
7228         vect_transform_slp_perm_load): Adjust.
7229         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
7230         * expmed.c (make_tree): Adjust.
7231         * config/i386/i386.c (ix86_expand_builtin): Adjust.
7232         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
7233         and implementation.
7234         (sparc_fold_builtin): Adjust.
7236 2012-03-16  Tristan Gingold  <gingold@adacore.com>
7238         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
7239         * config/vms/vms-stdint.h: New file.
7241 2012-03-16  Tristan Gingold  <gingold@adacore.com>
7243         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
7244         (ia64-hp-*vms*): Replaced by ...
7245         (*-*-*vms*): ... This new entry.
7247 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
7249         PR target/52568
7250         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
7251         (ix86_expand_vec_perm_const_1): Use it.
7253         PR target/52568
7254         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
7255         (avx2_permv4df): Remove.
7256         (avx2_permv4di): Macroize into...
7257         (avx2_perm<mode>): ... this using VI8F_256 iterator.
7258         (avx2_permv4di_1): Macroize into...
7259         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
7261 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
7263         * combine.c (apply_distributive_law): Do not distribute SUBREG.
7265 2012-03-15  Ira Rosen  <irar@il.ibm.com>
7266             Ulrich Weigand  <ulrich.weigand@linaro.org>
7268         * tree-vect-patterns.c (widened_name_p): Rename to ...
7269         (type_conversion_p): ... this.  Add new argument to determine
7270         if it's a promotion or demotion operation.  Check for
7271         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
7272         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
7273         widened_name_p.
7274         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
7275         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
7276         Likewise.
7277         (vect_recog_mixed_size_cond_pattern): Likewise and allow
7278         non-constant then and else clauses.
7280 2012-03-15  Ira Rosen  <irar@il.ibm.com>
7281             Ulrich Weigand  <ulrich.weigand@linaro.org>
7283         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
7284         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
7285         vect_pattern_recog.
7286         * tree-vect-patterns.c (widened_name_p): Pass basic block
7287         info to vect_is_simple_use.
7288         (vect_recog_dot_prod_pattern): Fail for basic blocks.
7289         (vect_recog_widen_sum_pattern): Likewise.
7290         (vect_handle_widen_op_by_const): Support basic blocks.
7291         (vect_operation_fits_smaller_type,
7292         vect_recog_over_widening_pattern): Likewise.
7293         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
7294         Update call to vect_is_simple_use.
7295         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
7296         Add printing.
7297         (check_bool_pattern): Add an argument, update call to
7298         vect_is_simple_use and the recursive calls.
7299         (vect_recog_bool_pattern): Update relevant function calls.
7300         Add printing.
7301         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
7302         (vect_pattern_recog_1): Check for reduction only in loops.
7303         (vect_pattern_recog): Add new argument.  Support basic blocks.
7304         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
7305         info to vect_is_simple_use_1.
7306         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
7307         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
7309 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
7310             Andrew Pinski  <apinski@cavium.com>
7312         PR middle-end/52592
7313         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
7314         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
7315         calls instead of __builtin_ir{int,ound}*.
7317 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7319         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
7320         documentation.
7322 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
7324         * config.gcc (target_type_format_char): New. Document it. Set it for
7325         arm*-*-* .
7326         * configure.ac (gnu_unique_option): Use target_type_format_char
7327         in test.  Comment rationale.
7328         * configure: Regenerate .
7330 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
7332         PR tree-optimization/52267
7333         * tree-vrp.c (masked_increment): New function.
7334         (register_edge_assert_for_2): Derive ASSERT_EXPRs
7335         from (X & CST1) cmp CST2 tests.
7337 2012-03-15  Richard Guenther  <rguenther@suse.de>
7339         PR middle-end/52580
7340         * tree-data-ref.c (subscript_dependence_tester_1): Check
7341         all dimensions for non-conflicting access functions.
7343 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7345         PR c++/44783
7346         * doc/invoke.texi [C++ Language Options]: Document
7347         -ftemplate-backtrace-limit.
7349 2012-03-15  Tristan Gingold  <gingold@adacore.com>
7351         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
7352         before a parameter.
7354 2012-03-15  Tristan Gingold  <gingold@adacore.com>
7356         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
7357         use DW_OP_call_frame_cfa.
7359 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
7361         PR target/50797
7362         * config/i386/i386-opts.h (pmode): New.
7364         * config/i386/i386.c (ix86_option_override_internal): Properly
7365         check and set ix86_pmode.
7367         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
7369         * config/i386/i386.opt (maddress-mode=): New.
7371         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
7373 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7375         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
7376         (dwarf2out_do_cfi_asm): Likewise.
7377         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
7378         handling.
7379         (add_data_member_location_attribute): Likewise.
7380         (gen_array_type_die): Likewise.
7381         (gen_subprogram_die): Likewise.
7382         (gen_producer_string): Likewise.
7383         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
7384         Remove MIPS_DEBUGGING_INFO handling.
7385         (sdb_debug_hooks): Likewise.
7386         (sdbout_begin_block): Likewise.
7387         (sdbout_end_block): Likewise.
7388         (sdbout_begin_prologue): Likewise.
7389         (sdbout_start_source_file): Likewise.
7390         (sdbout_end_source_file): Likewise.
7391         (sdbout_init): Likewise.
7392         * system.h (MIPS_DEBUGGING_INFO): Poison.
7394 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7396         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
7397         (alpha_file_start) [MS_STAMP]: Remove.
7399         * config/alpha/elf.h (TARGET_GAS): Remove.
7400         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
7401         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
7402         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
7403         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
7404         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
7405         (alpha*-*-freebsd*): Likewise.
7406         (alpha*-*-netbsd*): Likewise.
7407         (alpha*-*-openbsd*): Likewise.
7408         (alpha*-*-*): Remove target_cpu_default2.
7409         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
7410         handling.
7411         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
7412         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
7413         * config/alpha/alpha.c (print_operand): Always assume
7414         TARGET_AS_SLASH_BEFORE_SUFFIX.
7415         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
7416         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
7417         ("*builtin_setjmp_receiver_er_1"): Remove.
7418         * config/alpha/alpha.opt (malpha-as): Remove.
7419         (mgas): Ignore.
7420         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
7421         -malpha-as, -mgas.
7422         Remove DEC Unix reference.
7424         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
7425         (EXTENDED_COFF): Remove.
7426         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
7427         (EXTENDED_COFF): Don't undef.
7428         * config/alpha/alpha.c (alpha_file_start): Always assume
7429         OBJECT_FORMAT_ELF.
7430         Don't set targetm.asm_file_start_file_directive.
7431         [!OBJECT_FORMAT_ELF]: Remove.
7432         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
7434         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
7435         (DBX_DEBUGGING_INFO): Remove.
7436         (MIPS_DEBUGGING_INFO): Remove.
7437         (PREFERRED_DEBUGGING_TYPE): Remove.
7438         (DBX_OUTPUT_SOURCE_LINE): Remove.
7439         (SDB_OUTPUT_SOURCE_LINE): Remove.
7440         (DBX_CONTIN_LENGTH): Remove.
7441         (NO_DBX_FUNCTION_END): Remove.
7442         (ASM_STABS_OP): Remove.
7443         (ASM_STABN_OP): Remove.
7444         (ASM_STABD_OP): Remove.
7445         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
7446         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
7447         (PUT_SDB_DEF): Remove.
7448         (PUT_SDB_PLAIN_DEF): Remove.
7449         (PUT_SDB_TYPE): Remove.
7450         (sdb_label_count): Remove.
7451         (PUT_SDB_BLOCK_START): Remove.
7452         (PUT_SDB_BLOCK_END): Remove.
7453         (PUT_SDB_FUNCTION_START): Remove.
7454         (PUT_SDB_FUNCTION_END): Remove.
7455         (PUT_SDB_EPILOGUE_END): Remove.
7456         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
7457         (MIPS_DEBUGGING_INFO): Don't undef.
7458         (DBX_DEBUGGING_INFO): Don't undef.
7459         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
7460         (MIPS_DEBUGGING_INFO): Don't undef.
7461         (DBX_DEBUGGING_INFO): Don't undef.
7462         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
7463         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
7464         handling.
7465         (alpha_start_function): Likewise.
7466         (sdb_label_count): Remove.
7467         (alpha_output_filename): Remove DBX_DEBUG handling.
7468         (alpha_file_start): Likewise.
7470 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7472         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
7473         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
7474         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
7475         Solaris 8 support.
7476         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
7477         (ld_tls_support): Remove Solaris 8 references.
7478         (lwp_dir, lwp_spec): Remove support for alternate thread library.
7479         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
7480         * configure: Regenerate.
7481         * config.in: Regenerate.
7483         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
7484         * config/i386/sol2.h: Remove Solaris 8 references.
7486         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
7487         (i?86-*-solaris2.9): ... this.
7488         Remove Solaris 8 references.
7489         (Specific, *-*-solaris2*): Document Solaris 8 removal.
7490         Remove Solaris 8 references.
7492 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7494         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
7495         (mips-sgi-irix6.5*): Remove.
7496         * config.host (mips-sgi-irix*): Remove.
7497         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
7498         (set_have_as_tls): Remove *-*-irix6*.
7499         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
7500         * configure: Regenerate.
7502         * config/mips/iris6.h: Remove.
7503         * config/mips/iris6.opt: Remove.
7504         * config/mips/t-irix6: Remove.
7506         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
7507         (TARGET_IRIX6): Remove.
7508         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
7509         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
7510         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
7511         handling.
7512         (mips_file_start): Likewise.
7513         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
7515         * config/mips/driver-native.c [__sgi__]: Remove.
7516         (host_detect_local_cpu) [__sgi__]: Remove.
7518         * config/mips/gnu-user.h: Remove iris5.h reference.
7520         * config/mips/mips-modes.def: Remove IRIX 6 reference.
7521         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
7522         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
7523         Remove.
7525         * gcc.c (main): Move asm_debug initialization ...
7526         (asm_debug): ... here.
7528         * ginclude/stddef.h (__STDDEF_H__): Don't define.
7530         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
7531         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
7532         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7533         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7534         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
7535         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
7536         Remove.
7537         * doc/tm.texi: Regenerate.
7539         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
7540         IRIX 6 reference.
7541         (MIPS Options, -march): Remove IRIX reference.
7542         * doc/install.texi (Binaries, SGI IRIX): Remove.
7543         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
7544         of section.
7545         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
7547 2012-03-14  Martin Jambor  <mjambor@suse.cz>
7549         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
7550         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
7551         (expand_expr_real_1): Do not handle misalignment if modifier is
7552         EXPAND_WRITE.
7554 2012-03-14  Richard Guenther  <rguenther@suse.de>
7556         PR middle-end/52584
7557         * tree-vect-generic.c (type_for_widest_vector_mode): Take
7558         element type instead of mode, use build_vector_type_for_mode
7559         instead of the langhook, build a vector of proper signedness.
7560         (expand_vector_operations_1): Adjust.
7562 2012-03-14  Richard Guenther  <rguenther@suse.de>
7564         PR middle-end/52582
7565         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
7566         a cgraph node for a FUNCTION_DECL that comes from a constructor.
7567         (gimple_get_virt_method_for_binfo): Likewise.
7569 2012-03-14  Richard Guenther  <rguenther@suse.de>
7571         PR tree-optimization/52571
7572         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
7573         flag_section_anchors check ...
7574         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
7575         DECL_COMMON variables.
7577 2012-03-14  Richard Guenther  <rguenther@suse.de>
7579         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
7580         * stor-layout.c (start_bitfield_representative): New function.
7581         (finish_bitfield_representative): Likewise.
7582         (finish_bitfield_layout): Likewise.
7583         (finish_record_layout): Call finish_bitfield_layout.
7584         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
7585         for QUAL_UNION_TYPE fields.
7586         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
7587         Stream DECL_BIT_FIELD_REPRESENTATIVE.
7588         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
7590         PR middle-end/52080
7591         PR middle-end/52097
7592         PR middle-end/48124
7593         * expr.c (get_bit_range): Unconditionally extract bitrange
7594         from DECL_BIT_FIELD_REPRESENTATIVE.
7595         (expand_assignment): Adjust call to get_bit_range.
7597 2012-03-14  Richard Guenther  <rguenther@suse.de>
7599         PR middle-end/52578
7600         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
7601         the outermost conversion is a sign-change only.
7602         (fold_binary_loc): Disregard widening and sign-changing
7603         conversions when we determine if two variables are equal
7604         for reassociation.
7605         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
7606         (T1)x if the outermost conversion is a sign-change only.
7608 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
7610         Revert:
7611         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
7613         * config/i386/predicates.md (constant_call_address_operand): Declare
7614         as special predicate.  Update all uses.
7616 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
7618         PR c/52577
7619         * c-parser.c (c_parser_postfix_expression)
7620         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
7622         * config/i386/smmintrin.h: Avoid /* within a comment.
7623         * config/i386/nmmintrin.h: Likewise.
7625 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7627         * config/i386/i386.md (xbegin): Remove constraint from expander.
7629 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7631         * config/i386/predicates.md (constant_call_address_operand): Declare
7632         as special predicate.  Update all uses.
7633         * config/i386/i386.md: Remove mode from constant_call_address_operand
7634         predicates.
7635         * config/i386/i386.c (ix86_output_call_insn): Call
7636         constant_call_address_operand with VOIDmode.
7638 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7640         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
7641         AND zero extended address correctly.
7643 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7645         * config/i386/predicates.md (tls_symbolic_operand): Declare as
7646         special predicate.
7647         (tls_modbase_operand): Ditto.
7648         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
7649         tls_modbase_operand predicates.
7651 2012-03-13  Martin Jambor  <mjambor@suse.cz>
7653         * expr.c (expand_assignment): Handle misaligned scalar writes to
7654         memory through top-level MEM_REFs by calling store_bit_field.
7656 2012-03-13  Richard Guenther  <rguenther@suse.de>
7658         PR middle-end/52134
7659         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
7660         if Y is a constant multiple of 1 << CST.
7662 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
7664         PR target/52488
7665         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
7666         offset (size) to a value the insns can deal with.
7667         (expand_epilogue): Ditto.
7669 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
7671         * config/arm/neon.ml (ops): Fixup expected instructions for
7672         unsigned vector compares.
7674 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7676         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
7677         addresses only when %reg is not in word mode.
7679 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7681         * config/microblaze/microblaze.md: Fix typo.
7682         * tree-if-conv.c: Likewise.
7683         * tree-vect-patterns.c: Likewise.
7685 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7687         * config.gcc (extra_passes): Remove.
7688         * configure.ac (extra_passes): Don't substitute.
7689         * configure: Regenerate.
7690         * Makefile.in (EXTRA_PASSES): Remove.
7691         (GCC_PASSES): Remove $(EXTRA_PASSES).
7692         (MOSTLYCLEANFILES): Likewise.
7693         (native): Likewise.
7694         (install-common): Likewise.
7696 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7698         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
7699         * config/i386/i386.c (ix86_decompose_address): Use
7700         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
7701         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
7702         thread pointer to a register.
7704 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7706         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
7707         on tls_symbolic_operand.
7708         (tls_global_dynamic_64_<mode>): Likewise.
7710 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7712         PR other/52545
7713         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
7714         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
7716 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7718         PR target/52499
7719         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
7720         type from reg_class_t to enum reg_class.
7721         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
7723 2012-03-12  Andrew Pinski  <apinski@cavium.com>
7725         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
7726         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
7727         (value_replacement): Likewise.
7728         (empty_block_p): Check also if the PHIs for the block are empty.
7730 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7732         PR target/52148
7733         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
7734         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
7735         r184615 from 2012-02-28.
7737 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7739         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
7740         (ix86_gen_tls_local_dynamic_base_64): Likewise.
7741         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
7742         and ix86_gen_tls_local_dynamic_base_64.
7743         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
7744         ix86_gen_tls_local_dynamic_base_64.
7746         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
7747         (*tls_global_dynamic_64_<mode>): This.
7748         (tls_global_dynamic_64): Renamed to ...
7749         (tls_global_dynamic_64_<mode>): This.
7750         (*tls_local_dynamic_base_64): Renamed to ...
7751         (*tls_local_dynamic_base_64_<mode>): This.
7752         (tls_local_dynamic_base_64): Renamed to ...
7753         (tls_local_dynamic_base_64_<mode>): This.
7755 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7757         * config/i386/i386.c (ix86_option_override_internal): Properly
7758         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
7759         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
7760         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
7761         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
7763         * config/i386/sse.md (sse3_monitor64): Renamed to ...
7764         (sse3_monitor64_<mode>): This.
7766 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7768         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
7769         (ia64_function_arg_advance): Ditto.
7771 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7773         * config.gcc (mips*-*-openbsd*): Remove.
7774         * config/mips/openbsd.h: Remove.
7775         * config/mips/sdb.h: Remove.
7777         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
7778         * config/mips/mips.c (sdb_label_count): Remove.
7779         (mips_debugger_offset): Remove #if 0 code.
7780         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
7781         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
7783 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7785         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
7786         binutils reference.
7787         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
7788         Update binutils references.
7789         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
7790         Update binutils reference.
7791         Update Sun as/GNU ld caveat.
7792         Document binutils largefile requirement for LTO plugin.
7793         Remove reference to alternate libpthread.
7795 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7797         * config.gcc (alpha*-dec-osf5.1*): Remove.
7798         * config.host (alpha*-dec-osf*): Remove.
7799         * configure.ac (*-*-osf*): Remove.
7800         (alpha*-dec-osf*): Remove.
7801         * configure: Regenerate.
7803         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
7804         config/alpha/va_list.h, config/alpha/x-osf: Remove.
7806         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
7807         * config/alpha/alpha.c (struct machine_function): Update comment.
7808         (alpha_start_function): Remove Tru64 UNIX as handling for
7809         max_frame_size.
7810         * config/alpha/alpha.md ("exception_receiver"): Remove
7811         TARGET_LD_BUGGY_LDGP.
7812         ("*exception_receiver_2"): Likewise.
7813         * except.c (finish_eh_generation): Remove Tru64 reference.
7814         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
7815         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
7816         * target.def (handle_pragma_extern_prefix): Remove.
7818         * Makefile.in (mips-tfile.o-warn): Remove.
7819         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
7820         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
7821         * mips-tdump.c, mips-tfile.c: Remove.
7823         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
7824         extern_prefix.
7825         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
7826         (Specific, alpha*-dec-osf5.1): Note removal.
7827         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
7828         Remove.
7829         * doc/tm.texi: Regenerate.
7830         * doc/trouble.texi (Cross-Compiler Problems): Remove.
7832 2012-03-12  Richard Guenther  <rguenther@suse.de>
7834         * config/arm/arm.c (neon_dereference_pointer): Do not call
7835         covert during RTL expansion.
7837 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7839         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
7840         Options.  Mention -mpointer-size.
7842 2012-03-12  Richard Guenther  <rguenther@suse.de>
7844         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
7845         build_nonstandard_integer_type.
7847 2012-03-12  Richard Guenther  <rguenther@suse.de>
7849         * tree.c (signed_or_unsigned_type_for): Use
7850         build_nonstandard_integer_type.
7851         (signed_type_for): Adjust documentation.
7852         (unsigned_type_for): Likewise.
7853         * tree-pretty-print.c (dump_generic_node): Use standard names
7854         for non-standard integer types if available.
7856 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7858         * config/vms/vms.opt: Add vms-opts.h header.
7859         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
7860         target mask.
7861         (-mvms-return-codes): Document.
7862         (-mpointer-size): New option.
7863         (vms_pointer_size): Add enumeration.
7864         * config/vms/vms-opts.h: New file.
7865         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
7866         __INITIAL_POINTER_SIZE.
7867         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
7868         (C_COMMON_OVERRIDE_OPTIONS): Define.
7869         (DWARF2_ADDR_SIZE): Define.
7870         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
7871         * config/vms/vms-protos.h (vms_c_common_override_options):
7872         New prototype.
7873         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
7874         if -mno-pointer-size.
7875         (vms_c_common_override_options): New function.
7876         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7877         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7878         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
7879         and flag_vms_pointer_size.
7880         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
7881         * config.gcc (*-*-*vms*): Define xm_file.
7882         (alpha*-dec-*vms*): Do not define xm_file.
7883         (alpha64-dec-*vms*): Remove.
7884         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
7885         and tmake_file.
7887 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
7889         PR tree-optimization/51721
7890         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
7891         if (int) unsvar cmp CST.
7893 2012-03-12  Richard Guenther  <rguenther@suse.de>
7895         * tree-sra.c (create_access_replacement): Only rename the replacement
7896         if we can rewrite it into SSA form.  Properly mark register typed
7897         replacements that we cannot rewrite with TREE_ADDRESSABLE.
7898         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
7899         for aggregate or BLKmode results.
7901 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
7903         PR tree-optimization/52533
7904         * tree-vrp.c (register_edge_assert_for_2): Use double_int
7905         type for mask, only handle shifts by non-zero in-range
7906         shift count, for LE_EXPR and GT_EXPR if new_val is
7907         maximum, don't add the assertion.
7909 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
7911         * doc/invoke.texi: Document -mrtm option.
7912         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
7913         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
7914         (ix86_handle_option): Handle OPT_mrtm.
7915         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
7916         xtestintrin.h.
7917         (x86_64-*-*): Ditto.
7918         * i386-builtin-types.def (INT_FTYPE_VOID): New.
7919         * config/i386/i386-c.c (ix86_target_macros_internal): Define
7920         __RTM__ if needed.
7921         (ix86_target_string): Define -mrtm option.
7922         (PTA_RTM): New.
7923         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
7924         Handle new option.
7925         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
7926         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
7927         IX86_BUILTIN_XTEST.
7928         (bdesc_special_args): Ditto.
7929         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
7930         (ix86_expand_special_args_builtin): Handle new built-in type.
7931         (ix86_expand_builtin): Handle XABORT instruction.
7932         * config/i386/i386.h (TARGET_RTM): New.
7933         * config/i386/i386.md (UNSPECV_XBEGIN): New.
7934         (UNSPECV_XEND): Ditto.
7935         (UNSPECV_XABORT): Ditto.
7936         (UNSPECV_XTEST): Ditto.
7937         (xbegin): Ditto.
7938         (xbegin_1): Ditto.
7939         (xend): Ditto.
7940         (xabort): Ditto
7941         (xtest): Ditto.
7942         (xtest_1): Ditto.
7943         * config/i386/i386.opt (mrtm): New.
7944         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
7945         * config/i386/rtmintrin.h: New header.
7946         * config/i386/xtestintrin.h: Ditto.
7948 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7950         * ginclude/stddef.h: Adjust previous patch.
7951         Use __VMS__ instead of VMS.
7953 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
7955         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
7956         Also convert sequences with CC setting arithmetic instruction.
7958 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
7960         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
7961         from C Language Options to Preprocessor Options.
7962         (C Dialect Options): Move -no-integrated-cpp documentation
7963         from here...
7964         (Preprocessor Options): ...to here.  Rewrite the description
7965         so it makes more sense, and remove discussion of merging front ends.
7967 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7969         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
7970         needed for loop.
7971         (ix86_expand_setmem): Likewise.
7973 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
7975         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
7976         convert_to_mode.
7978 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7980         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
7981         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
7983 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7985         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
7987 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7989         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
7990         TARGET_64BIT.
7992 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7993             Uros Bizjak  <ubizjak@gmail.com>
7995         * config/i386/predicates.md (call_insn_operand): Allow
7996         constant_call_address_operand in Pmode only.
7997         (sibcall_insn_operand): Ditto.
7998         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
7999         (*call_vzeroupper): Ditto.
8000         (*sibcall): Ditto.
8001         (*sibcall_vzeroupper): Ditto.
8002         (*call_value): Ditto.
8003         (*call_value_vzeroupper): Ditto.
8004         (*sibcall_value): Ditto.
8005         (*sibcall_value_vzeroupper): Ditto.
8006         (*indirect_jump): Ditto.
8007         (*tablejump_1): Ditto.
8008         (indirect_jump): Convert memory address to word mode for TARGET_X32.
8009         (tablejump): Ditto.
8010         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
8011         to word mode.
8013 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
8015         PR target/51244
8016         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
8017         Use movrt_negc instead of negc pattern for non-SH2A.
8018         (*movnegt): Remove.
8019         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
8021 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8023         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
8024         if Pmode != word_mode.
8025         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
8026         Pmode == SImode for TARGET_X32.
8028         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
8029         (tls_initial_exec_x32): Likewise.
8031 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
8033         PR rtl-optimization/52528
8034         * combine.c (can_combine_p): Add setting of subst_low_luid
8035         before call to expand_field_assignment().
8037 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
8039         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
8040         and related program names.
8042 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
8044         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
8046 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
8048         PR target/52530
8049         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
8050         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
8051         to set code to 'q'.
8052         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
8053         (*movdi_internal_rex64): Use %E operand modifier for lea.
8054         (*movsi_internal): Ditto.
8055         (*lea_1): Ditto.
8056         (*lea<mode>_2): Ditto.
8057         (*lea_{3,4,5,6}_zext): Ditto.
8058         (*tls_global_dynamic_32_gnu): Ditto.
8059         (*tls_global_dynamic_64): Ditto.
8060         (*tls_dynamic_gnu2_lea_32): Ditto.
8061         (*tls_dynamic_gnu2_lea_64): Ditto.
8062         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
8064 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
8066         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
8067         redefine to be NULL if the current bit-size is different from the
8068         configured bit-size.
8070         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
8071         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
8072         set the default tuning.  Add asserts to make sure the cpu and tune
8073         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
8074         test whether the index is set, instead of > 0.
8075         (rs6000_file_start): Do not reset the default cpu if the current
8076         bit-size is different from the configured bit-size.
8078 2012-03-09  Tristan Gingold  <gingold@adacore.com>
8080         * config/vms/vms-crtlmap.map: Add comments.
8081         Add entries needed to build Ada RTS.
8083 2012-03-09  Tristan Gingold  <gingold@adacore.com>
8085         * ginclude/stddef.h: Do not define __size_t on VMS.
8087 2012-03-09  Tristan Gingold  <gingold@adacore.com>
8089         * c-tree.h (c_default_pointer_mode): New variable.
8090         * c-decl.c (c_default_pointer_mode): New variable.
8091         (c_build_pointer_type): New function.
8092         (grokdeclarator): Call c_build_pointer_type instead
8093         of build_pointer_type.
8095         * config/vms/vms-c.c: Include c-tree.h
8096         (saved_pointer_mode): New variable.
8097         (handle_pragma_pointer_size): New function.
8098         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
8099         (vms_c_register_pragma): Register __pointer_size and
8100         __required_pointer_size pragmas.
8102 2012-03-09  Tristan Gingold  <gingold@adacore.com>
8104         * config/vms/vms-c.c (vms_construct_include_filename): New function.
8105         (vms_c_register_includes): Reference it.
8107 2012-03-09  Andrew Pinski  <apinski@cavium.com>
8109         PR middle-end/51988
8110         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
8111         print_generic_expr.
8112         (tree_ssa_phiopt_worker): Go through all the PHIs for
8113         value_replacement instead of just the singleton one.
8114         (value_replacement): Change return type to int.  Return 0 instead of
8115         false.
8116         Allow the middle basic block to contain more than just the defining
8117         statement.
8118         Handle non empty middle basic blocks.
8119         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
8121 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
8123         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
8124         array reference and component reference.
8125         (analyze_scalar_evolution_for_address_of): New.
8127 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
8129         PR target/49862
8130         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
8131         (hwloop_pattern_reg): Fix set but not used warning.
8132         (bfin_reorg_loops): Remove unused parameter.
8133         (bfin_reorg): Update use of bfin_reorg_loops.
8135 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
8137         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
8138         with integer parameters in registers.
8139         (gen_push): Push register in word_mode instead of Pmode.
8140         (ix86_emit_save_regs): Likewise.
8141         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
8142         (gen_pop): Pop register in word_mode instead of Pmode.
8143         (ix86_emit_restore_regs_using_pop): Likewise.
8144         (ix86_expand_prologue): Replace Pmode with word_mode for push
8145         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
8146         restore RAX and R10 in word_mode.
8147         (ix86_emit_restore_regs_using_mov): Restore integer registers
8148         in word_mode.
8149         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
8150         word_mode.
8151         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
8152         (ix86_split_long_move): Likewise.
8154         * config/i386/i386.md (W): New.
8155         (*push<mode>2_prologue): Replace :P with :W.
8156         (*pop<mode>1): Likewise.
8157         (*pop<mode>1_epilogue): Likewise.
8158         (push/pop peephole2): Use word_mode scratch registers.
8160 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
8162         * config/i386/predicates.md (indirect_branch_operand): Simplify.
8164 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
8166         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
8167         for constants in [-63,63].
8169 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
8171         PR target/52530
8172         Revert:
8173         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8175         * config/i386/i386.c (ix86_print_operand_address): Only handle
8176         zero-extended DImode addresses.
8178 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8180         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
8181         * configure: Regenerate.
8183 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
8185         PR target/52496
8186         * config/avr/avr.c (avr_mem_clobber): New static function.
8187         (avr_expand_delay_cycles): Add memory clobber operand to
8188         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
8189         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
8190         (enable_interrupt, disable_interrupt): New expander.
8191         (nopv, sleep, wdr): New expanders.
8192         (delay_cycles_1): Add memory clobber.
8193         (delay_cycles_2): Add memory clobber.
8194         (delay_cycles_3): Add memory clobber.
8195         (delay_cycles_4): Add memory clobber.
8196         (cli_sei): New insn from former "enable_interrupt",
8197         "disable_interrupt" with memory clobber.
8198         (*wdt): New insn from former "wdt" with memory clobber.
8199         (*nopv): Similar, but for "nopv".
8200         (*sleep): Similar, but for "sleep".
8202 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
8203             Kaz Kojima  <kkojima@gcc.gnu.org>
8205         PR target/52503
8206         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
8207         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
8208         (SUBTARGET_OVERRIDE_OPTIONS): Define.
8210 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
8212         * config/i386/predicates.md (x86_64_zext_general_operand): New.
8213         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
8214         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
8216 2012-03-07  Walter Lee  <walt@tilera.com>
8218         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
8219         REG_CFA_* notes for the stack pointer.
8220         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
8221         EH_RETURN_STACKADJ_RTX.
8222         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
8223         generate REG_CFA_* notes for the stack pointer.
8224         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
8225         by EH_RETURN_STACKADJ_RTX.
8227 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
8229         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
8230         when __AVR_3_BYTE_PC__ is defined.
8232 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
8234         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
8235         (ix86_print_operand): Handle '^'.
8236         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
8237         using P mode iterator.  Add %^ to asm template to conditionally emit
8238         addr32 prefix.
8239         (*rep_movdi_rex64): Ditto.
8240         (*strsetdi_rex_1): Ditto.
8241         (*rep_stosdi_rex64): Ditto.
8242         (*strmov{si,hi,qi}_1): Add %^ to asm template to
8243         conditionally emit addr32 prefix.
8244         (*rep_mov{si,qi}): Ditto.
8245         (*strset{si,hi,qi}): Ditto.
8246         (*rep_stos{si,qi}): Ditto.
8247         (*cmpstrnqi_nz_1): Ditto.
8248         (*cmpstrnqi_1): Ditto.
8249         (*strlenqi_1): Ditto.
8251 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
8253         * config/i386/i386.c (function_value_64): Return pointers in
8254         word_mode instead of Pmode.
8255         (ix86_promote_function_mode): Likewise.
8257 2012-03-07  Richard Guenther  <rguenther@suse.de>
8259         * coverage.c (get_gcov_type): Use type_for_mode.
8260         (get_gcov_unsigned_t): Likewise.
8261         * expr.c (store_constructor): Use type_for_mode.
8262         (try_casesi): Likewise.
8263         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
8264         (add_standard_iv_candidates): Use standard type trees.
8265         * dojump.c (do_jump): Remove dead code.
8267 2012-03-07  Richard Guenther  <rguenther@suse.de>
8269         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
8271 2012-03-07  Richard Guenther  <rguenther@suse.de>
8273         * convert.c (strip_float_extensions): Move ...
8274         * tree.c (strip_float_extensions): ... here.
8276 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
8278         PR target/52484
8279         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
8281 2012-03-07  Richard Guenther  <rguenther@suse.de>
8283         * omp-low.c (extract_omp_for_data): Use signed_type_for.
8284         (expand_omp_for_generic): Likewise.
8285         (expand_omp_for_static_nochunk): Likewise.
8286         (expand_omp_for_static_chunk): Likewise.
8287         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
8288         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
8289         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
8290         Use unsigned_type_for.
8291         (vect_create_cond_for_align_checks): Use signed_type_for.
8293 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
8295         PR rtl-optimization/52203
8296         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
8297         all callers to pass NULL except ...
8298         (reset_sched_cycles_in_current_ebb): ... here, save the value
8299         in new variable 'empty'.  Increase issue_rate only for
8300         non-empty insns.
8302 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
8304         PR target/51417
8305         * Makefile.in: Let install-gcc-ar depend on installdirs,
8306         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
8307         Don't double canonicalize if cross-compiling.
8309 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
8311         PR target/52506
8312         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
8313         to: RAMPZ, RAMPY, RAMPX, RAMPD.
8314         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
8316 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
8318         PR target/52505
8319         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
8320         from RAM.
8321         * config/avr/avr.md (xload_8): Adjust insn length.
8323 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
8325         PR target/52461
8326         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
8327         if RAMPZ affects reading from RAM.
8329 2012-03-07  Richard Guenther  <rguenther@suse.de>
8331         PR pch/52518
8332         PR pch/38987
8333         * doc/invoke.texi (Precompiled Headers): Remove sentence that
8334         suggests you can include PCHs from inside another header.
8336 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
8338         PR middle-end/52515
8339         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
8341 2012-03-07  Kai Tietz  <ktietz@redhat.com>
8343         * doc/invoke.texi (fwritable-relocated-rdata): Document
8344         new Cygwin/MinGW target option.
8345         * config/i386/winnt.c (i386_pe_unique_section): Ignore
8346         reloc if flag -fwritable-relocated-rdata is not set.
8347         (i386_pe_section_type_flags): Likewise.
8348         * config/i386/cygming.opt (fwritable-relocated-rdata):
8349         Add new flag variable flag_writable_rel_rdata.
8351 2012-03-07  Richard Guenther  <rguenther@suse.de>
8353         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
8354         precision against gimple constraints.
8356 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
8358         PR middle-end/52372
8359         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
8360         variables.
8361         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
8362         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
8363         variables.
8364         (init_emit_regs): Move associated initialization to...
8365         (init_emit_once): ...here.
8367 2012-03-06  Richard Henderson  <rth@redhat.com>
8369         * config/m68k/m68k.h (ISA_HAS_TAS): New.
8370         * config/m68k/sync.md (atomic_test_and_set): Use it.
8371         (atomic_test_and_set_1): Likewise.
8373 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
8375         PR target/50310
8376         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
8377         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
8378         (vector_ltgt<mode>): Likewise.
8379         (vector_ordered<mode>): Likewise.
8380         (vector_unordered<mode>): Likewise.
8381         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
8383 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
8385         * trans-mem.c: New typedef for tm_region_p.
8386         Define vector types for tm_region_p.
8387         (tm_region_init): Replace region_worklist to a vector called
8388         bb_regions.
8390 2012-03-06  Richard Guenther  <rguenther@suse.de>
8392         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
8393         MEM_REF with constant pointer operand.
8395 2012-03-06  Richard Guenther  <rguenther@suse.de>
8397         PR middle-end/52493
8398         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
8400 2012-03-06  Tristan Gingold  <gingold@adacore.com>
8402         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
8403         (external_model_kind): Improve documentation.
8404         (vms_pragma_extern_model): Handle relaxed_redef.
8405         (vms_c_register_pragma): Allow expansion for nomember_alignment.
8407 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
8409         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
8410         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
8411         Some more notes on EIND usage and reorder EIND subsection.
8413 2012-03-06  Tristan Gingold  <gingold@adacore.com>
8415         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
8416         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
8418 2012-03-06  Tristan Gingold  <gingold@adacore.com>
8420         * config/vms/t-vmsnative (version): Define.
8421         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
8423 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
8425         PR rtl-optimization/52250
8426         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
8427         to put note list into.  Unconditionally call move_bb_info.
8428         (move_bb_info): Do not assert the blocks being in the same region,
8429         just drop the note list if they are not.
8431 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
8433         PR target/51244
8434         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
8435         and use unified expansion logic.
8436         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
8437         closer to the existing movt insn.
8438         (negc): Rename insn to *negc.  Add new expander.
8439         (movnegt): Use xor pattern for T bit negation.  Reserve helper
8440         constant for negc pattern.
8441         (*movnegt): New insn and splitter.
8443 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
8445         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
8446         PLUS_EXPR.
8448 2012-03-05  Richard Henderson  <rth@redhat.com>
8450         * genemit.c (main): Include "target.h" in insn-emit.c.
8451         * Makefile.in (insn-emit.o): Depend on TARGET_H.
8452         * config/sh/sync.md (atomic_test_and_set): Reference
8453         targetm.atomic_test_and_set_trueval instead of
8454         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
8456 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
8458         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
8459         Make static.
8461 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
8463         * langhooks.c (add_builtin_type): New function.
8464         * langhooks.h (add_builtin_type): Export it.
8465         * config/mep/mep.c (mep_init_builtins): Use it.
8466         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
8468 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
8470         PR debug/51902
8471         * tree.h (BLOCK_SAME_RANGE): Define.
8472         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
8473         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
8474         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
8475         isn't equal to supercontext fragment's fragment chain.
8476         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
8477         fragment origin.
8478         (blocks_nreverse_all): Likewise.
8479         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
8480         BLOCK_SUPERCONTEXT to supercontext fragment instead of
8481         supercontext fragment's fragment origin.
8482         * dwarf2out.c (add_high_low_attributes): If stmt has the same
8483         range as its parent (or parents thereof etc.), use the parent's
8484         DW_AT_ranges value instead of creating a new .debug_ranges range.
8486 2012-03-05  Richard Henderson  <rth@redhat.com>
8488         PR tree-opt/52242
8489         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
8490         * omp-low.c (expand_omp_atomic): Assume anything aligned to
8491         BIGGEST_ALIGNMENT is aligned.
8493 2012-03-05  Richard Henderson  <rth@redhat.com>
8495         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
8496         * config/sh/sh.c: ... here.
8498 2012-03-05  Richard Henderson  <rth@redhat.com>
8500         PR target/52481
8501         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
8502         instead of calling negqi2 directly.
8504 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
8506         PR middle-end/52463
8507         * trans-mem.c (tm_region_init): Use last_basic_block.
8509 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
8511         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
8512         * config/sh/sync.md (atomic_test_and_set): New expander.
8513         (tasb, atomic_test_and_set_soft): New insns.
8514         * config/sh/sh.opt (menable-tas): New option.
8515         * doc/invoke.texi (SH Options): Document it.
8517 2012-03-05  Richard Guenther  <rguenther@suse.de>
8519         * cfgloop.c (verify_loop_structure): Verify dominators before
8520         using them.
8521         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
8522         dominators from here.
8523         * graphite-scop-detection.c (create_sese_edges): Likewise.
8524         * loop-doloop.c (doloop_optimize_loops): Likewise.
8525         * loop-init.c (loop_optimizer_init): Likewise.
8526         * loop-unroll.c (unroll_and_peel_loops): Likewise.
8527         * loop-unswitch.c (unswitch_loops): Likewise.
8528         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
8529         * tree-parloops.c (parallelize_loops): Likewise.  Verify
8530         only when checking is enabled.
8531         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
8533 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
8535         * genautomata.c (parse_automata_opt): New static function.
8536         (initiate_automaton_gen): Remove all option handling code.  Remove
8537         argc argument.  All callers changed.
8538         (main): Call init_rtx_reader_args_cb with the new function as argument.
8540 2012-03-05  Richard Guenther  <rguenther@suse.de>
8542         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
8543         * tree-if-conv.c (combine_blocks): Free post-dominator info
8544         after breaking it.
8545         * tree-parloops.c (create_parallel_loop): Free and re-compute
8546         dominator info after breaking it.
8548 2012-03-05  Richard Guenther  <rguenther@suse.de>
8550         PR middle-end/52353
8551         * optabs.h (trapv_unoptab_p): New function.
8552         (trapv_binoptab_p): Likewise.
8553         * optabs.c (expand_binop): Use emit_libcall_block_1 with
8554         a proper equiv_may_trap argument.
8555         (expand_unop): Likewise.
8556         (emit_libcall_block_1): Take extra argument whether the
8557         instruction may trap.  Renamed from ...
8558         (emit_libcall_block): ... this.  New wrapper.
8560 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
8562         PR tree-optimization/51721
8563         * tree-vrp.c (register_edge_assert_for_2): If comparing
8564         lhs of right shift by constant with an integer constant,
8565         add ASSERT_EXPRs for the rhs1 of the right shift.
8567         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
8569 2012-03-05  Richard Guenther  <rguenther@suse.de>
8571         * tree.c (integer_zerop): Handle VECTOR_CSTs.
8572         (integer_onep): Likewise.
8573         (integer_all_onesp): Likewise.
8575 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
8577         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
8579 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8581         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
8582         instead of TARGET_64BIT.
8584 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8586         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
8587         adjust_stack_insn.
8589 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8591         * config/i386/i386.c (ix86_print_operand_address): Only handle
8592         zero-extended DImode addresses.
8594 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
8596         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
8597         taken and cputaken as bool.
8599 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
8601         * config/i386/constraints.md (Ya): New internal constraint.
8602         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
8603         (*zero_extendsidi2_rex64): Add x,x alternative.
8604         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
8605         Remove flags reg clobber.  Adjust corresponding splits.
8606         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
8607         zero_extendqisi2 expanders using SWI12 mode iterator.
8608         (zero_extend<mode>si2_and): Macroize insn from
8609         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
8610         splitters.
8611         (*zero_extend<mode>si2):  Macroize insn from
8612         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
8613         (*zero_extend*2_movzbl_and): Remove insn patterns.
8614         (zero_extendqihi2_and): Merge corresponding splitter.
8615         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
8616         (*zero_extend*2_movzbl_and): Remove insn patterns.
8617         (*anddi_1): Split TYPE_IMOVX instructions.
8618         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
8619         (*andhi_1): Ditto.
8620         (and->zext splitter): Add splitter pattern.
8621         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
8623 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
8625         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
8626         x86-specific text.
8627         (Debugging Options): Likewise.
8628         (Optimize Options): Likewise.
8629         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
8630         with other architectures.  Use official processor names with correct
8631         spelling/capitalization.  Fix formatting and grammar issues.
8632         (i386 and x86-64 Windows Options): Similar cleanup here.
8634 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8636         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
8638 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8640         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
8641         DBX_REGISTER_NUMBER.
8643 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8645         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
8646         operand is CONST_INT.  Take COSTS_N_INSNS into account.
8647         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
8648         of shiftcosts.
8650 2012-03-02  Richard Henderson  <rth@redhat.com>
8652         * optabs.c (expand_atomic_test_and_set): Honor
8653         atomic_test_and_set_trueval even when atomic_test_and_set
8654         optab is not in use.
8656 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
8658         PR target/48596
8659         PR target/48806
8660         * config/sh/sh.c (sh_register_move_cost): Increase cost between
8661         GENERAL_REGS and FP_REGS for SImode.
8663 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8665         PR target/49486
8666         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
8667         (absdi2): New expander.
8668         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
8670 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8672         * config/sh/sync.md (atomic_exchange<mode>): New expander.
8673         (atomic_exchange<mode>_soft): New insn.
8675 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8677         * config/sh/sync.md: Update copyright notice dates.
8678         (atomic_compare_and_swap<mode>): Use SImode for return value instead
8679         of QImode.
8680         (atomic_compare_and_swap<mode>_soft): Likewise.
8682 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8684         PR target/31640
8685         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
8686         * config/sh/sh.c: Update copyright notice dates.
8687         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
8688         alignment for TARGET_HARD_SH4.
8689         (sh_option_override): Reduce default function alignment.  Set
8690         loop alignment to 4 bytes when not optimizing for size.
8692 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
8694         PR middle-end/50335
8695         * doc/invoke.texi (floop-flatten): Remove.
8696         * toplev.c (process_options): Remove references to flag_loop_flatten.
8697         * tree-ssa-loop.c (gate_graphite_transform): Same.
8698         * common.opt (floop-flatten): Obsolete.
8699         * graphite-poly.c (apply_poly_transforms): Remove reference to
8700         flag_loop_flatten.
8701         * Makefile.in (graphite-flattening.o): Remove.
8702         * graphite-flattening.c: Remove.
8704 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8706         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
8707         having mode compatible with the mode of previous compare.  Substitute
8708         compare mode of previous compare with the mode, compatible
8709         with eliminated and previous compare.
8711 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
8713         * config/rs6000/dfp.md (floatdidd2): New define_insn.
8715 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8717         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
8718         compatible with CCGOCmode and CCGCmode.
8720 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
8722         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
8724 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
8726         * config/arm/arm.c (arm_sat_operator_match): New function.
8727         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
8728         * config/arm/arm.md ("insn" attribute): Add "sat" value.
8729         ("SAT", "SATrev"): New code iterators.
8730         ("SATlo", "SAThi"): New code iterator attributes.
8731         ("*satsi_<SAT:code>"): New pattern.
8732         ("*satsi_<SAT:code>_shift"): Likewise.
8733         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
8734         and "shift" attributes.
8735         ("arm_usatsihi"): Add "insn" attribute.
8736         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
8737         by powers of two.  Do not allow shift by 32.
8739 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8741         PR target/46716
8742         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
8743         to pass the argument in the register of "natural" mode.
8745 2012-03-02  Richard Guenther  <rguenther@suse.de>
8747         PR tree-optimization/52406
8748         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
8749         (struct indices): Add unconstrained_base member.
8750         (struct dr_alias): Remove unused vops member.
8751         (DR_UNCONSTRAINED_BASE): New define.
8752         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
8753         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
8754         be an artificial access that covers the whole indexed object,
8755         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
8756         plain decl base-objects to their MEM_REF variant.
8757         (dr_may_alias_p): When the base-object of either data reference
8758         has unknown size use only points-to information.
8759         (compute_affine_dependence): Make dumps easier to read and
8760         more verbose.
8761         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
8762         DR_REF when looking for packed references.
8763         (vect_supportable_dr_alignment): Likewise.
8765 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
8767         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
8768         Improve conditions for peepholes of loads followed by commutative
8769         operators.
8770         * config/arm/ldmstm.md: Regenerated.
8772 2012-03-02  Richard Guenther  <rguenther@suse.de>
8774         * BASE-VER: Set to 4.8.0.
8776 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
8778         * config.gcc (obsolete): Add all ARM targets using the FPA.
8779         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
8780         * doc/install.texi: Avoid references to obsolete ARM ports.
8782 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
8784         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
8786 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
8787             Joern Rennecke  <joern.rennecke@embecosm.com>
8789         * doc/extend.texi: Expand and update information on interrupt
8790         attribute for Epiphany.
8792 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8794         * config/sh/sh-protos.h: Update copyright notice dates.
8795         * config/sh/sh.h: Likewise.
8796         * config/sh/sh.md: Likewise.
8797         * config/sh/constraints.md: Likewise.
8798         * config/sh/predicates.md: Likewise.
8800 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8802         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
8803         * config/sh/sh.c (tertiary_reload_operand): Likewise.
8805 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8807         * config/sh/constraints.md: Fix comment typo.
8809 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8811         PR target/52408
8812         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
8813         unsigned HOST_WIDE_INT.
8814         (zvdep_imm64): Likewise.
8815         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
8816         (vdepi_and): Likewise.
8817         Likewise for unamed 64-bit patterns.
8818         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
8820 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
8822         PR debug/52001
8823         PR rtl-optimization/52417
8824         * cselib.c (cselib_any_perm_equivs): New variable.
8825         (cselib_reset_table): Check that it's not set when not
8826         preserving constants.
8827         (cselib_add_permanent_equiv): Set it.
8828         (cselib_have_permanent_equivalences): New.
8829         (cselib_init, cselib_finish): Reset it.
8830         * cselib.h (cselib_have_permanent_equivalences): Declare.
8831         * alias.c (get_addr): Restore earlier behavior when there
8832         aren't permanent equivalences.
8834 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
8836         * config/mn10300/mn10300-modes.def: Fix copyright notice.
8837         * config/v850/v850-modes.def: Fix copyright notice.
8839 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
8841         * doc/extend.texi (AVR Built-in Functions): Document
8842         __builtin_avr_flash_segment.
8844         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
8845         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
8846         (*split.flash_segment): New insn-and-split.
8847         * config/avr/avr.c (avr_init_builtins): Add local variables:
8848         const_memx_void_node, const_memx_ptr_type_node,
8849         char_ftype_const_memx_ptr.
8851 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
8853         PR tree-optimization/52445
8854         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
8855         add ssa_name_ver, offset and size fields and change store field
8856         to bool.
8857         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
8858         (add_or_mark_expr): Likewise.  Only consider previous stores
8859         with the same size and offset.
8860         (nt_init_block): Only look at gimple_assign_single_p stmts,
8861         doesn't look at rhs2.
8863 2012-03-01  Richard Guenther  <rguenther@suse.de>
8865         PR middle-end/52443
8866         * tree-cfg.c (verify_gimple_assign_unary): Allow any
8867         conversions from integral types to pointer types.
8869 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
8871         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
8872         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
8873         unintentionally removed in r184616.
8875 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8877         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
8878         3DNow from bdver1.
8880 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8881             Uros Bizjak  <ubizjak@gmail.com>
8883         PR target/52437
8884         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
8885         alternatives, add "e" constraint to the new last alternative
8886         and ! to last 3 alternatives.
8888 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8890         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
8891         DW_AT_artificial attributes at the end of the processing.
8892         (gen_array_type_die): Likewise.
8893         (gen_enumeration_type_die): Likewise.
8894         (gen_struct_or_union_type_die): Likewise.
8895         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
8896         the parent type.
8898 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8900         PR middle-end/52419
8901         * expr.c (expand_assignment): If doing misaligned store that doesn't
8902         cover all mode bits, perform a RMW cycle.
8904         PR tree-optimization/52429
8905         * tree-parloops.c (separate_decls_in_region_debug): Return early
8906         if var is LABEL_DECL.
8908 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8910         PR tree-optimization/52424
8911         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
8912         calling dom_thread_across_edge.
8914 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8916         * config/avr/avr.c: Move definition of TARGET macros to end of file.
8918 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8920         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
8921         * config/avr/avr.c (avr_output_bld): Remove unused function.
8922         (avr_out_sbxx_branch): Use "%T" to print bit position.
8924 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8926         * config/avr/avr.md: Untabify.
8928 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8930         * config/avr/avr.md (eqne): New code iterator.
8931         (*dec-and-branchsi): Use it in text peephole's condition.
8932         (*dec-and-branchhi): Ditto.
8933         (*dec-and-branchqi): Ditto.
8935 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8937         PR target/49939
8938         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
8939         the device does not have the skip-bug.
8941 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
8943         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
8944         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
8945         -mpretend-cmove): New.
8947 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8949         PR bootstrap/52397
8950         * df.h (struct df_d): Adjust comment that hard_regs_live_count
8951         doesn't count DEBUG_INSN refs.
8952         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
8953         for DEBUG_INSN refs.
8955 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8957         Partially revert:
8959         2012-02-20  Richard Guenther  <rguenther@suse.de>
8960         PR tree-optimization/52298
8961         * tree-vect-stmts.c (vectorizable_load): Properly use
8962         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
8964 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
8966         PR middle-end/51752
8967         * gimple.h (gimple_in_transaction): New.
8968         (gimple_set_in_transaction): New.
8969         (struct gimple_statement_base): Add in_transaction field.
8970         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
8971         transaction loads.
8972         (tree_ssa_lim_initialize): Compute transaction bits.
8973         * tree.h (compute_transaction_bits): Protoize.
8974         * trans-mem.c (tm_region_init): Use the heap to store BB
8975         auxilliary data.
8976         (compute_transaction_bits): New.
8978 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8980         * gcc.c (display_help): Document --help=common and sort entries
8981         alphabetically.
8983 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8985         * doc/install.texi: Document check-$LANG specific shortcuts
8987 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8989         PR target/51534
8990         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
8991         and vcgtu.
8992         * config/arm/arm_neon.h: Regenerate.
8993         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
8994         (neon_vcgeu): New insn.
8995         (neon_vcgtu): Likewise.
8996         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
8997         (ops): Unsigned comparison intrinsics call a different builtin.
8999 2012-02-28  Richard Guenther  <rguenther@suse.de>
9001         PR target/52407
9002         * config/i386/i386.c (ix86_expand_vector_set): Fix element
9003         ordering for the VEC_CONCAT for two element vectors for
9004         V2SFmode, V2SImode and V2DImode.
9006 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
9008         PR target/49448
9009         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
9010         detecting big-endian triplets.
9012 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
9014         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
9015         mode if there is no type information available.
9017 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
9019         PR tree-optimization/53207
9020         * doc/invoke.texi: Document as experimental and relying on graphite.
9022 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9024         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
9025         of initializer to changes from r184614.
9027 2012-02-28  Richard Guenther  <rguenther@suse.de>
9029         PR tree-optimization/52395
9030         * tree-sra.c (build_ref_for_offset): Also look at the base
9031         TYPE_ALIGN when figuring out the alignment of the replacement.
9033 2012-02-28  Richard Guenther  <rguenther@suse.de>
9035         PR tree-optimization/52402
9036         * ipa-prop.c (ipa_modify_call_arguments): Properly use
9037         mis-aligned types when creating the accesses at the call site.
9039 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9041         * config/avr/builtins.def: New file.
9042         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
9043         * config/avr/avr.c (enum avr_builtin_id): Use it.
9044         (avr_init_builtins): Use it. And use avr_bdesc.
9045         (bdesc_1arg): Remove.
9046         (bdesc_2arg): Remove.
9047         (bdesc_3arg): Remove.
9048         (struct avr_builtin_description): Add field n_args.
9049         (avr_bdesc): New static variable using builtins.def.
9050         (avr_expand_builtin): Use it.
9051         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
9052         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
9053         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
9055 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9057         PR target/52148
9058         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
9059         match only one single hard register with respective hard reg rtx.
9060         (movmemx_<mode>): Ditto.
9061         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
9062         insn anatomy of movmem[x]_<mode>.
9063         (avr_out_movmem): Same for printing assembler and operand usage.
9065 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
9067         PR target/49868
9068         PR target/52261
9069         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
9070         address spaces located outside of device flash.
9072         * config/avr/avr.h (base_arch_s): Remove field n_segments.
9073         (mcu_type_s): Add field n_flash.
9074         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
9075         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
9076         (AVR_MCU): Add N_FLASH argument.
9077         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
9078         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
9079         macro __FLASH<n> if that address space makes sense for the device.
9080         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
9081         outside of target flash.
9082         (avr_asm_named_section): Ditto.
9083         (avr_asm_select_section): Ditto.
9084         (avr_addr_space_convert): Ditto.
9085         (avr_emit_movmemhi): Ditto.
9086         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
9087         address space is outside of device flash.
9088         (avr_insert_attributes): Ditto.
9089         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
9090         avr_current_arch->n_segments.
9092 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9094         PR target/52352
9095         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
9096         (*movabs<mode>_2): Likewise.
9098 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
9100         PR target/52375
9101         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
9102         s_register_operand in the test instead of REG_P.  Don't call
9103         gen_reg_rtx if it won't be used.
9105         PR tree-optimization/52376
9106         * ipa-split.c (split_function): Ignore CLOBBER stmts.
9108 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
9110         * ifcvt.c (noce_get_condition): Check condition variable is not
9111         small_register_classes_for_mode_p before accepting.
9113 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
9115         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
9117 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
9119         Revert:
9120         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
9121         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
9122         tuning parameters.
9123         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
9125 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
9127         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
9129 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
9131         * config/sh/predicates.md: Remove blank lines.
9132         * config/sh/sh.c: Fix typos in comments.
9133         * config/sh/constraints.md: Likewise.
9134         * config/sh/sh.md: Remove blank lines.
9135         Fix typos in comments.  Use ;; as comment characters.
9137 2012-02-26  Walter Lee  <walt@tilera.com>
9139         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
9140         (replace_mov_pcrel_step2): Ditto.
9142 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
9144         PR debug/52001
9145         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
9146         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
9147         and locs that reference values newer than the non-canonical value
9148         at hand.  Return the canonical value as a worst case.
9149         (memrefs_conflict_p): Walk canonical value's locs.
9151         PR debug/52001
9152         * cselib.c (preserve_only_constants): Rename to...
9153         (preserve_constants_and_equivs): ... this.  Split out...
9154         (invariant_or_equiv_p): ... this.  Preserve plus expressions
9155         of other preserved expressions too.
9156         (cselib_reset_table): Adjust.
9157         * var-tracking.c (reverse_op): Use canonical value to build
9158         reverse operation.
9160 2012-02-23  Kai Tietz  <ktietz@redhat.com>
9162         * config/i386/i386.c (ix86_delegitimize_address): Handle
9163         UNSPEC_PCREL plus displacement.
9165 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
9167         PR target/52261
9168         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
9169         to test for unusedness in st X addressing.
9171 2012-02-24  Richard Guenther  <rguenther@suse.de>
9173         PR middle-end/52361
9174         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
9175         (is_gimple_reg_type): Move inline ...
9176         * gimple.h (is_gimple_reg_type): ... here.
9178 2012-02-24  Richard Guenther  <rguenther@suse.de>
9180         PR middle-end/52361
9181         * passes.c (execute_function_todo): When verifying SSA form
9182         verify gimple form first.
9183         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
9185 2012-02-24  Richard Guenther  <rguenther@suse.de>
9187         PR middle-end/52355
9188         * fold-const.c (fold_addr_of_array_ref_difference): New function.
9189         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
9191 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9193         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
9195 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9197         * tree-phinodes.c (make_phi_node): Mark static.
9198         * tree-flow.h (make_phi_node): Remove extern decl.
9199         * doc/gimple.texi (make_phi_node): Remove documentation.
9201 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9203         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
9204         * tree-ssa-sccvn.c (print_scc): Ditto.
9206 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9208         * doc/passes.texi (Full redundancy elimination): Fix typo.
9210 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9212         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
9214 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
9216         PR bootstrap/52287
9217         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
9219 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
9221         PR c/52290
9222         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
9224 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
9226         * config/avr/avr.md (code_stdname): Add ior, xor.
9227         (xior): New code iterator.
9228         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
9229         (*<code_stdname><mode>qi.byte1-3): Ditto.
9231 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
9233         PR tree-optimization/52019
9234         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
9235         CLOBBER stmts.
9237 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9239         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
9240         HAVE_INITFINI_ARRAY to work around namespace pollution in
9241         certain versions of newlib system headers.
9242         * config.in: Regenerate.
9243         * configure: Regenerate.
9244         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
9245         instead of HAVE_INITFINI_ARRAY.
9247 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
9249         PR target/52330
9250         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
9251         is not offsettable memory reference.
9253 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
9255         PR target/18145
9256         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
9257         setting avr_need_clear_bss_p for __gnu_lto* symbols.
9259 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
9261         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
9262         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
9264 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9266         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
9267         library on Solaris 8 even without TLS support.
9268         * configure: Regenerate.
9270 2012-02-22  Richard Guenther  <rguenther@suse.de>
9272         PR middle-end/52329
9273         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
9274         for GIMPLE_DEBUG stmts.
9276 2012-02-22  Martin Jambor  <mjambor@suse.cz>
9278         PR middle-end/51782
9279         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
9280         according to the base object.
9282 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
9284         PR rtl-optimization/50063
9285         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
9286         and 2 (8-bit SP) in operand 2.
9287         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
9288         setup to use movhi_sp_r instead of vanilla move to write SP.
9289         Adjust REG_CFA notes to superseed unspec.
9290         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
9291         of vanilla move.
9292         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
9293         known to be off) only with TARGET_NO_INTERRUPTS. Never use
9294         irq_state 1 (IRQ known to be on) here.
9296 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
9298         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
9299         WORDS_BIG_ENDIAN.
9300         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
9301         assign_hard_reg): Likewise.
9303 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
9305         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
9307 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
9309         * config/avr/avr.md
9310         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
9311         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
9313 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
9315         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
9316         prototype from here to...
9317         * config/avr/avr.h: ...here.
9319 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
9321         PR target/52294
9322         * thumb2.md (thumb2_shiftsi3_short): Split register and
9323         immediate shifts.  For register shifts tie operands 0 and 1.
9324         (peephole2 for above): Check that register-controlled shifts
9325         have suitably tied operands.
9327 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
9329         PR target/52137
9330         * config/i386/bdver1.md (bdver1_call, bdver1_push,
9331         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
9332         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
9333         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
9334         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
9335         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
9336         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
9337         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
9338         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
9339         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
9340         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
9341         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
9342         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
9343         bdver1_ssevector_avx256_unaligned_load,
9344         bdver1_ssevector_sse128_unaligned_load,
9345         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
9346         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
9347         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
9348         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
9349         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
9350         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
9351         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
9352         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
9353         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
9354         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
9355         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
9356         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
9357         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
9358         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
9359         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
9360         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
9361         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
9362         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
9363         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
9364         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
9365         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
9366         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
9367         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
9368         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
9369         bdver1_ssediv_double_load, bdver1_ssediv_double,
9370         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
9371         Add "bdver2" attribute.
9373 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9375         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
9376         default if possible and not specified otherwise.
9378 2012-02-21  Richard Guenther  <rguenther@suse.de>
9380         PR middle-end/52314
9381         * gimplify.c (create_tmp_from_val): Use the main variant type
9382         for the type of the temporary we create.
9384 2012-02-21  Richard Guenther  <rguenther@suse.de>
9386         PR tree-optimization/52324
9387         * gimplify.c (gimplify_expr): When re-gimplifying expressions
9388         do not gimplify a MEM_REF address operand if it is already
9389         in suitable form.
9391 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9393         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
9394         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
9396 2012-02-21  Richard Guenther  <rguenther@suse.de>
9398         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
9399         nested_in_vect_loop.
9401 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
9403         PR tree-optimization/52318
9404         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
9405         vdef also to non-pure/const call stmts in the sequence.
9407 2012-02-21  Tristan Gingold  <gingold@adacore.com>
9409         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
9411 2012-02-20  David S. Miller  <davem@davemloft.net>
9413         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
9414         don't use the "rd %pc" instruction on v9 for PIC register loads.
9416 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
9418         PR middle-end/52141
9419         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
9420         in a transaction safe function.
9422 2012-02-20  Kai Tietz  <ktietz@redhat.com>
9424         PR target/52238
9425         * stor-layout.c (place_field): Handle desired_align for
9426         ms-bitfields, too.
9428 2012-02-20  Richard Guenther  <rguenther@suse.de>
9430         PR tree-optimization/52298
9431         * tree-vect-stmts.c (vectorizable_store): Properly use
9432         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
9433         outer loops.
9434         (vectorizable_load): Likewise.
9435         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
9436         Access DR_STEP after ensuring it is not NULL.
9438 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
9440         PR tree-optimization/52286
9441         * fold-const.c (fold_binary_loc): For (X & C1) | C2
9442         optimization use double_int_to_tree instead of build_int_cst_wide,
9443         rewrite to use double_int vars.
9445 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9447         PR target/50166
9448         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
9449         Define _start.
9450         Remove -e 0 from $gcc_cv_ld invocation.
9451         Only use __GLIBC_PREREQ if defined.
9452         Enable on Solaris since Solaris 8 patch.
9453         (gcc_SUN_LD_VERSION): New macro.
9454         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
9455         gcc_SUN_LD_VERSION for version number format.
9456         * configure: Regenerate.
9457         * varasm.c (get_elf_initfini_array_priority_section): Set
9458         SECTION_NOTYPE for non-default priority.
9459         Use get_section instead of get_unnamed_section to emit
9460         .init_array/.fini_array with default priority.
9462 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
9464         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
9465         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
9466         (mips_start_unique_function, mips_output_mips16_rdhwr)
9467         (mips_code_end): New functions.
9468         (TARGET_ASM_CODE_END): Define.
9470 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
9472         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
9473         to stubs with non-sibling calls.
9475 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
9477         * doc/invoke.texi (-fira-* options): Copy-edit.
9478         (ira-* parameters): Copy-edit.
9480 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
9482         * doc/invoke.texi: Minor copy-edits to bring into conformance with
9483         GCC coding conventions.
9485 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
9487         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
9488         when used as adjectives.
9490 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
9492         * doc/invoke.texi: Clean up "that"/"which" confusion.
9494 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
9496         * system.h: Poison SMALL_REGISTER_CLASSES
9497         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
9498         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
9500 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
9502         PR tree-optimization/52285
9503         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
9504         when deciding if a call is a tail call or tail recursion.
9506 2012-02-16  Kai Tietz  <ktietz@redhat.com>
9508         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
9509         interger-constant displacement for UNSPEC_PCREL.
9511 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
9513         PR rtl-optimization/52208
9514         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
9515         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
9517         PR tree-optimization/52255
9518         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
9519         loop->header has virtual PHI, but exit_e->dest doesn't, add
9520         virtual PHI to exit_e->dest and adjust all uses after the loop.
9522         PR debug/52260
9523         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
9524         children with clone_tree_hash, not after it.
9526 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
9528         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
9529         extended identifiers.
9531 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
9533         PR middle-end/51929
9534         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
9535         a same_body_alias, also test whether e->callee isn't a former
9536         or current clone of the decl this is a same body alias of.
9538         PR translation/52264
9539         * cgraphunit.c (verify_cgraph_node): Fix a typo.
9541 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9543         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
9545 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
9547         PR target/52199
9548         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
9549         force_reg instead of copy_to_reg for better optimization.  Force
9550         non-register or memory operands into a register.
9552 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
9554         * extend.texi: Reserve upper bits of memory model for future use.
9556 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
9557             Anatoly Sokolov <aesok@post.ru>
9558             Eric Weddington <eric.weddington@atmel.com>
9560         PR target/52261
9561         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
9562         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
9563         Rewrite initializers for .macro.
9564         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
9565         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
9566         atxmega32d4, atxmega32x1.
9567         avrxmega4: atxmega64a3, atxmega64d3.
9568         avrxmega5: atxmega64a1, atxmega64a1u.
9569         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
9570         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
9571         avrxmega7: atxmega128a1, atxmega128a1u.
9572         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
9573         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
9574         (struct base_arch_s): Rename reserved to xmega_p.
9575         Rename reserved2 to have_rampd.
9576         (AVR_XMEGA): New define.
9577         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
9578         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
9579         * config/avr/predicates.md (io_address_operand): Take into
9580         account SFR offset.
9581         (low_io_address_operand): Ditto.
9582         (high_io_address_operand): Ditto.
9583         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
9584         (enabled, movhi_sp_r): Use them.
9585         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
9586         cpp_define_formatted to built-in define __AVR_ARCH__.
9587         (__AVR_XMEGA__): New built-in define.
9588         (__AVR_HAVE_RAMPD__): New built-in define.
9589         (__AVR_HAVE_RAMPX__): New built-in define.
9590         (__AVR_HAVE_RAMPY__): New built-in define.
9591         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
9593         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
9594         (avr_option_override): Initialize them.
9595         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
9596         (avr_init_expanders): Initialize them. No more block several calls.
9597         (emit_push_sfr): New static function.
9598         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
9599         Handle AVR_XMEGA.
9600         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
9601         (avr_print_operand): Print addreeses as symbols for
9602         RAMPX, RAMPY, RAMPD, CCP.
9603         (output_movhi): Handle AVR_XMEGA when writing to SP.
9604         (avr_out_movhi_mr_r_xmega): New static function.
9605         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
9606         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
9607         __RAMPD__,  __CCP__ as needed.
9609         * config/avr/multilib.h: Regenerate.
9610         * config/avr/t-multilib: Regenerate.
9611         * config/avr/avr-tables.opt: Regenerate.
9613 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
9615         PR tree-optimization/50561
9616         * graphite-flattening.c (lst_project_loop): Do not
9617         remove old scattering dimensions after flattening.
9618         (lst_do_flatten): Likewise.
9620 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
9622         * doc/extend.texi (AVR Built-in Functions): Remove doc for
9623         __builtin_avr_map8, __builtin_avr_map16.
9624         Document __builtin_avr_insert_bits.
9626         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
9627         (insert_bits): New insn.
9628         (adjust_len.map_bits): Rename to insert_bits.
9629         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
9630         * avr-protos.h (avr_out_map_bits): Remove.
9631         (avr_out_insert_bits, avr_has_nibble_0xf): New.
9632         * config/avr/constraints.md (Cxf,C0f): New.
9633         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
9634         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
9635         New built-in define __BUILTIN_AVR_INSERT_BITS.
9636         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
9637         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
9638         (avr_move_bits): Rewrite.
9639         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
9640         functions.
9641         (avr_map_op_t): New typedef.
9642         (avr_map_op): New static variable.
9643         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
9644         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
9645         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
9646         (bdesc_3arg, avr_expand_triop_builtin): New.
9647         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
9648         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
9649         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
9650         (avr_map_equal_p, avr_map_sig_p): Remove.
9651         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
9652         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9653         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
9654         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9655         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
9656         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9658 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
9660         * config/c6x/c6x.md (reserve_cycles): New attribute.
9661         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
9662         don't reserve functional units after the branch occurs.
9664 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
9666         PR middle-end/52142
9667         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
9668         functions into non-tm_pure functions.
9670 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
9672         PR lto/52178
9673         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
9674         (iterative_hash_canonical_type): Likewise.
9675         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
9676         the dead edges.
9678 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
9680         * haifa-sched.c (prune_ready_list): Ensure that if there is a
9681         sched-group insn, it either remains alone or the entire list is pruned.
9683 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
9685         * doc/install.texi (Prerequisites): Fix grammar.
9686         (Configuration): Likewise.
9688 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
9690         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
9691         MPC as part of GCC before describing configuring with --with-gmp etc.
9692         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
9693         sources are present.
9695 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9697         PR debug/51950
9698         * dwarf2out.c (clone_tree_hash): New function.
9699         (copy_decls_walk): Use it instead of clone_tree.
9701 2012-02-14  Richard Guenther  <rguenther@suse.de>
9703         PR tree-optimization/52244
9704         PR tree-optimization/51528
9705         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
9706         replacements for integral types.
9708 2012-02-14  Walter Lee  <walt@tilera.com>
9710         * config.gcc: Handle tilegx and tilepro.
9711         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
9712         tilegx and tilepro.
9713         Add HAVE_AS_TLS check for tilegx and tilepro.
9714         * configure: Regenerate.
9715         * doc/contrib.texi: Add Mat Hostetter and self.
9716         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
9717         Document instruction intrinsics and network accessing intrinsics.
9718         (TILEPro Built-in Functions): New node.  Document instruction
9719         intrinsics and network accessing intrinsics.
9720         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
9721         (Specific, tilepro-*-linux*): Likewise.
9722         * doc/invoke.texi (TILE-Gx Options): New section.
9723         (TILEPro Options): New section.
9724         * doc/md.texi (TILE-Gx): New section.
9725         (TILEPro): New section.
9726         * common/config/tilegx/tilegx-common.c: New file.
9727         * common/config/tilepro/tilepro-common.c: New file.
9728         * config/tilegx/constraints.md: New file.
9729         * config/tilegx/linux.h: New file.
9730         * config/tilegx/mul-tables.c: New file.
9731         * config/tilegx/predicates.md: New file.
9732         * config/tilegx/sync.md: New file.
9733         * config/tilegx/t-tilegx: New file.
9734         * config/tilegx/tilegx-builtins.h: New file.
9735         * config/tilegx/tilegx-c.c: New file.
9736         * config/tilegx/tilegx-generic.md: New file.
9737         * config/tilegx/tilegx-modes.def: New file.
9738         * config/tilegx/tilegx-multiply.h: New file.
9739         * config/tilegx/tilegx-protos.h: New file.
9740         * config/tilegx/tilegx.c: New file.
9741         * config/tilegx/tilegx.h: New file.
9742         * config/tilegx/tilegx.md: New file.
9743         * config/tilegx/tilegx.opt: New file.
9744         * config/tilepro/constraints.md: New file.
9745         * config/tilepro/gen-mul-tables.cc: New file.
9746         * config/tilepro/linux.h: New file.
9747         * config/tilepro/mul-tables.c: New file.
9748         * config/tilepro/predicates.md: New file.
9749         * config/tilepro/t-tilepro: New file.
9750         * config/tilepro/tilepro-builtins.h: New file.
9751         * config/tilepro/tilepro-c.c: New file.
9752         * config/tilepro/tilepro-generic.md: New file.
9753         * config/tilepro/tilepro-modes.def: New file.
9754         * config/tilepro/tilepro-multiply.h: New file.
9755         * config/tilepro/tilepro-protos.h: New file.
9756         * config/tilepro/tilepro.c: New file.
9757         * config/tilepro/tilepro.h: New file.
9758         * config/tilepro/tilepro.md: New file.
9759         * config/tilepro/tilepro.opt: New file.
9761 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9763         PR tree-optimization/52210
9764         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
9765         vect_model_simple_cost with two entry vect_def_type array instead
9766         of an address of dt.
9768 2012-02-14  Richard Guenther  <rguenther@suse.de>
9770         PR lto/52178
9771         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
9772         Do not stream DECL_QUALIFIER.
9773         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
9774         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
9775         (find_decls_types_r): Do not walk DECL_QUALIFIER.
9777 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9779         PR c/52181
9780         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
9781         newdecl.
9783 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9785         PR bootstrap/52172
9786         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
9787         * cselib.c (cselib_subst_to_values_from_insn): New function.
9788         * sched-deps.c (add_insn_mem_dependence,
9789         sched_analyze_1, sched_analyze_2): Use it.
9791 2012-02-13  Jan Hubicka  <jh@suse.cz>
9793         PR middle-end/52214
9794         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
9796 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
9798         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
9799         (GTM_SELF_SPECS): Define if not already defined.
9800         (driver_self_specs): Add GTM_SELF_SPECS.
9801         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
9802         (GTM_SELF_SPECS): Define.
9803         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
9804         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
9806 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9808         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
9809         away if seen.
9811         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
9813         PR middle-end/52230
9814         * omp-low.c (expand_omp_for): If a static schedule without chunk size
9815         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
9817 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
9819         PR c/52190
9820         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
9822 2012-02-13  Richard Guenther  <rguenther@suse.de>
9824         PR translation/52211
9825         * passes.c (enable_disable_pass): Fix typo.
9827 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9829         PR middle-end/52209
9830         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
9831         XOR for reduce_bit_field if type is unsigned.
9833 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9835         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
9836         disallow changes from SFmode to mode with different size in FP regs.
9838 2012-02-12  Robert Millan  <rmh@gnu.org>
9839             Gerald Pfeifer <gerald@pfeifer.com>
9841         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
9842         Tweak comment.
9844 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
9846         PR rtl-optimization/52175
9847         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
9848         to frame-related instructions.
9850 2012-02-10  Jason Merrill  <jason@redhat.com>
9852         PR c++/51910
9853         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
9854         (demangle_new_symbols): Fill it.
9855         (scan_linker_output): Walk it.
9856         (start_tweaking): Split out from scan_linker_output.
9857         (maybe_tweak): Update sym->chosen.
9858         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
9860 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
9862         PR debug/52132
9863         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
9865 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
9867         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
9868         having the same mode as previous compare.
9870 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9872         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
9873         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
9874         (nonlocal_goto_internal): Likewise.
9875         (nonlocal_goto): Emit a use and an indirect jump directly.
9877 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
9879         PR c/52190
9880         * doc/extend.texi : Update comments for __atomic_compare_exchange and
9881         __atomic_{is,always}_lock_free.
9883 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
9885         PR target/52146
9886         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
9887         negative constant address for TARGET_X32.
9889 2012-02-10  Richard Henderson  <rth@redhat.com>
9891         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
9892         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
9893         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
9895 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9896             Ira Rosen  <irar@il.ibm.com>
9898         PR tree-optimization/50031
9899         * targhooks.c (default_builtin_vectorization_cost): Handle
9900         vec_promote_demote.
9901         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
9902         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
9903         all types of reduction and pattern statements.
9904         (vect_estimate_min_profitable_iters): Likewise.
9905         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
9906         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
9907         for explicit realigns.
9908         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
9909         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
9910         vec_promote_demote.
9911         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
9912         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
9913         vec_perm for VSX and handle vec_promote_demote.
9915 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
9917         PR middle-end/52177
9918         * builtins.c (fold_builtin_atomic_always_lock_free,
9919         expand_builtin_atomic_always_lock_free,
9920         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
9921         Return and/or test boolean_true_node/boolean_false_node instead of
9922         integer_one_node/integer_zero_node.
9924 2012-02-10  Jan Hubicka  <jh@suse.cz>
9926         PR middle-end/48600
9927         * predict.c (predict_paths_for_bb): Prevent looping.
9928         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
9930 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
9932         * config/arm/arm.c (output_move_double): In one case properly
9933         count number of instructions that will be emitted.
9935 2012-02-10  Richard Guenther  <rguenther@suse.de>
9937         PR translation/52193
9938         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
9940 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
9942         PR middle-end/52140
9943         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
9945 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
9947         PR debug/52165
9948         * var-tracking.c (emit_note_insn_var_location): If
9949         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
9950         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
9951         non-NOTE_DURING_CALL_P insn.
9953 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
9955         PR middle-end/51867
9956         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
9958 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
9960         PR driver/48524
9961         * gcc.c (switch_matches) Support switches with separated form,
9962         -D and -U.
9964 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
9966         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
9967         (SP_ADDR): Ditto.
9968         (RAMPZ_ADDR): Ditto.
9969         * config/avr/avr.c (avr_addr_t): New typedef.
9970         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
9971         (avr_init_expanders): Initialize it.
9972         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
9973         SREG_ADDR.
9974         (expand_epilogue): Ditto.
9975         (avr_print_operand): Ditto.
9976         (avr_file_start): Ditto.
9977         (avr_emit_movmemhi): Ditto.
9979 2012-02-08  Richard Guenther  <rguenther@suse.de>
9981         PR tree-optimization/46886
9982         * tree-flow.h (do_while_loop_p): Declare.
9983         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
9984         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
9986 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
9988         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
9989         always succeed for integers larger than a native word.
9991 2012-02-08  Richard Guenther  <rguenther@suse.de>
9993         PR rtl-optimization/52170
9994         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
9995         properly handle integer vector modes.
9997 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
9999         PR gcov-profile/52150
10000         * coverage.c: Include target.h.
10001         (build_var): Call targetm.strip_name_encoding on the assembler name.
10002         Change one _ into . or $ if the target allows it.
10003         * Makefile.in (coverage.o): Depend on $(TARGET_H).
10005         PR rtl-optimization/52139
10006         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
10007         is a BARRIER after emit_insn_after_noloc, move BB_END
10008         to the last non-BARRIER insn before it.
10010 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
10012         PR middle-end/24306
10013         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
10014         (mips_gimplify_va_arg_expr): Call it instead of
10015         std_gimplify_va_arg_expr.
10017 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
10019         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
10020         message for -mno-pointers-to-nested-function.
10022 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
10024         PR middle-end/51994
10025         * expr.c (get_inner_reference): If there is an offset, add a negative
10026         bit position to it (if any).
10028 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
10030         PR rtl-optimization/52060
10031         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
10032         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
10033         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
10034         and/or i0src_copy2 when needed.
10036 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
10038         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
10039         or LTOPLUGINSONAME if have_c.
10041         * config/freebsd-spec.h: Add comment about what macros can be defined
10042         in this header.
10043         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
10044         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
10045         here instead.
10047 2012-02-07  Richard Guenther  <rguenther@suse.de>
10049         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
10050         newline in -alias dumps.
10052 2012-02-07  Kai Tietz  <ktietz@redhat.com>
10053             Dave Korn  <dave.korn.cygwin@gmail.com>
10055         PR target/40068
10056         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
10057         Take care that typinfo gets dllexport-attribute.
10059 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
10061         PR middle-end/52074
10062         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
10063         if modifier < EXPAND_SUM call force_operand on the result.
10065 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
10067         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
10068         adding __forwarder_dst__ prefix if a forwarder_section attribute is
10069         present.
10070         (epiphany_function_type): Replace types for specific interrupts with
10071         EPIPHANY_FUNCTION_INTERRUPT.
10072         (EPIPHANY_INTERRUPT_P): Update.
10073         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
10074         New static function.
10075         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
10076         <disinterrupt>: Affects type identity.
10077         (epiphany_handle_interrupt_attribute): Handle variable number of
10078         arguments.
10079         (epiphany_compute_function_type): Update for new
10080         epiphany_function_type definition.
10081         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
10082         handlers with a longcall forwarder.
10083         (epiphany_start_function): Handle multiple interrupt arguments and/or
10084         forwarder_section attribute.
10086         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
10087         libgloss.
10089 2012-02-07  Alan Modra  <amodra@gmail.com>
10091         PR target/52107
10092         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
10093         subregs of TFmode.
10095 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10097         PR tree-optimization/50969
10098         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
10099         use vec_perm rather than vector_stmt.
10100         (vect_model_load_cost): Likewise.
10101         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
10102         vec_perm to be the same as other vector statements.
10103         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
10104         cost of vec_perm for TARGET_VSX.
10106 2012-02-06  Richard Guenther  <rguenther@suse.de>
10108         PR tree-optimization/52115
10109         * tree-sra.c (access_has_replacements_p): New function.
10110         (sra_modify_assign): Use it to decide whether a use is uninitialized.
10112 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
10114         PR middle-end/52047
10115         * trans-mem.c (expand_call_tm): Add an assertion.
10116         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
10117         functions.
10119 2012-02-06  Richard Guenther  <rguenther@suse.de>
10121         PR tree-optimization/50955
10122         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
10123         raise cost of expressions that replace an address with an
10124         expression based on a different pointer.
10126 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
10128         PR target/52129
10129         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
10130         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
10132 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
10134         PR c++/48680
10135         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
10136         -Weffc++ and specify guidelines come from second edition.
10138 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
10140         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
10141         (sibcall_value_multiple_internal, call_split, call_internal_direct)
10142         (call_direct_split, call_value_split, call_value_internal_direct)
10143         (call_value_direct_split, call_value_multiple_split): Use jal and
10144         jal_macro attributes.
10146 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
10148         * reload1.c (reload_regs_reach_end_p): Replace with...
10149         (reload_reg_rtx_reaches_end_p): ...this function.
10150         (new_spill_reg_store): Update commentary.
10151         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
10152         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
10153         before setting new_spill_reg_store.
10154         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
10155         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
10156         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
10157         for non-spill reload registers.
10159 2012-02-05  Ira Rosen  <irar@il.ibm.com>
10161         PR tree-optimization/52091
10162         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
10163         (vect_is_simple_use_1): Likewise.
10164         * tree-vect-loop.c (vectorizable_reduction): Update calls
10165         to vect_is_simple_use_1 and vect_is_simple_use.
10166         (vectorizable_live_operation): Likewise.
10167         * tree-vect-patterns.c (widened_name_p,
10168         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
10169         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
10170         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
10171         vectorizable_shift,vectorizable_operation, vectorizable_store,
10172         vectorizable_load): Likewise.
10173         (vect_is_simple_cond): Add an argument, pass it to
10174         vect_is_simple_use_1.
10175         (vectorizable_condition): Update calls to vect_is_simple_cond,
10176         vect_is_simple_use.
10177         (vect_is_simple_use): Add an argument, the statement in which
10178         OPERAND is used.  Check that if OPERAND's def stmt is a double
10179         reduction phi node, the use is a phi node too.
10180         (vect_is_simple_use_1): Add an argument, pass it to
10181         vect_is_simple_use.
10182         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
10183         to vect_is_simple_use.
10185 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
10187         PR rtl-optimization/52095
10188         * modulo-sched.c (dump_insn_locator): New function.
10189         (loop_canon_p, sms_schedule): Use it.
10191         PR rtl-optimization/52113
10192         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
10193         even for decomposable shift/zext insns.
10195 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
10196             Zdenek Dvorak  <ook@ucw.cz>
10198         PR rtl-optimization/52092
10199         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
10200         on get_iv_value result.
10202 2012-02-02  Andrew Pinski  <apinski@cavium.com>
10204         PR middle-end/47982
10205         PR middle-end/43967
10206         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
10208 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
10210         PR middle-end/48071
10211         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
10213 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
10215         PR rtl-optimization/49800
10216         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
10217         (sched_finish): Call regstat_free_n_sets_and_refs.
10219 2012-02-02  Jia Liu  <proljc@gmail.com>
10221         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
10222         than operand 2.
10224 2012-02-02  Jan Hubicka  <jh@suse.cz>
10225             Tom de Vries  <tom@codesourcery.com>
10227         PR middle-end/51998
10228         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
10229         * varpool.c (varpool_analyze_pending_decls): Likewise.
10231 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
10232             Jayant R Sonar <jayant.sonar@kpitcummins.com>
10234         * config.gcc: Add cr16-* support.
10236         * doc/extend.texi: Document cr16 extensions.
10237         * doc/install.texi: Document cr16 install.
10238         * doc/invoke.texi: Document cr16 options.
10239         * doc/md.texi: Document cr16 constraints.
10241         * common/config/cr16/cr16-common.c: New file.
10242         * config/cr16/cr16.c: New file.
10243         * config/cr16/cr16.h: New file.
10244         * config/cr16/cr16.md: New file.
10245         * config/cr16/cr16.opt: New file.
10246         * config/cr16/cr16-protos.h: New file.
10247         * config/cr16/predicates.md: New file.
10248         * config/cr16/constraints.md: New file.
10249         * config/cr16/t-cr16: New file.
10251 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
10253         PR target/52086
10254         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
10255         that operands[2] is either immediate, or q_regs_operand.
10257         PR tree-optimization/52073
10258         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
10259         a pattern stmt for pattern uses, ignore uses outside of the loop.
10261 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
10263         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
10264         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
10265         (OUT_AS1, OUT_AS2): Remove.
10267 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
10269         PR rtl-optimization/51374
10270         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
10271         to cross other volatile_refs_p insns.
10273 2012-02-01  Richard Guenther  <rguenther@suse.de>
10275         * doc/invoke.texi (fno-inline): Clarify documentation.
10276         (finline-small-functions): Likewise.
10277         (finline-functions): Likewise.
10278         * common.opt (finline): Adjust comment and documentation.
10279         (finline-small-functions): Clarify documentation.
10280         (finline-functions): Likewise.
10281         (finline-functions-called-once): Likewise.
10283 2012-02-01  Tristan Gingold  <gingold@adacore.com>
10285         * c-typeck.c (composite_type): Keep mode for pointers.
10287 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
10289         * function.h (regno_reg_rtx): Adjust comment.
10290         * reginfo.c (init_reg_modes_target): Only use the previous mode
10291         if it fits within one register.  Remove MIPS comment.
10293 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
10295         PR bootstrap/52058
10296         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
10298 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10300         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
10301         to srak instruction.
10303 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10305         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
10307 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
10309         PR bootstrap/52041
10310         PR bootstrap/52039
10311         PR target/51974
10312         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
10314 2012-01-31  Richard Guenther  <rguenther@suse.de>
10316         PR tree-optimization/51528
10317         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
10318         assigns.
10320 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
10322         PR bootstrap/52041
10323         PR bootstrap/52039
10324         PR target/51974
10325         * ree.c (add_removable_extension): Change def_map argument
10326         to unsigned *, store in def_map 1 + offset into *insn_list vector
10327         instead of pointers into the vector.
10328         (find_removable_extensions): Adjust caller.
10330 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
10332         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
10333         Transform all "* quoted-c-code" to { c-code }.
10334         Remove redundant test for "optimize" in combine patterns.
10335         Move (include "avr-dimode.md") to end of file.
10337 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
10339         PR target/51835
10340         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
10341         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
10343 2012-01-30  Richard Guenther  <rguenther@suse.de>
10345         PR tree-optimization/52028
10346         * tree-loop-distribution.c (ldist_gen): Properly update
10347         virtual SSA form.
10349 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
10351         PR debug/52027
10352         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
10353         set_cur_line_info_table if not emitting debug info.
10355         PR tree-optimization/52046
10356         * tree-vect-patterns.c (check_bool_pattern): Give up if
10357         a comparison could throw.
10359         PR debug/52048
10360         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
10362 2012-01-30  Richard Guenther  <rguenther@suse.de>
10364         PR tree-optimization/52045
10365         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
10366         SSA form if cfgcleanup did anything.
10368 2012-01-30  Richard Guenther  <rguenther@suse.de>
10370         PR tree-optimization/52045
10371         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
10372         before computing final todo.
10374 2012-01-30  Richard Guenther  <rguenther@suse.de>
10376         PR tree-optimization/51528
10377         * tree-sra.c (sra_modify_assign): Re-factor in preparation
10378         for PR51528 fix.
10380 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
10382         * df-problems.c (df_kill_notes): Check that the use refers
10383         to the note under examination.
10385 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
10387         PR target/51920
10388         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
10389         parameter and use short-lived pseudos.
10390         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
10391         (sparc_expand_vector_init): Const-ify local variables and adjust
10392         calls to above functions.
10394 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
10396         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
10398 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
10400         * doc/invoke.texi: Make usage of "compile time" and
10401         "run time"/"runtime" consistent throughout the file.
10403 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
10405         * config/alpha/alpha.c (alpha_option_override): Default to
10406         full IEEE compliance mode for Go language.
10408 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
10410         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
10411         (LINK_SSP_SPEC): Define.
10413 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10415         PR target/51871
10416         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
10417         stubs.
10419 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
10421         * doc/invoke.texi: Correct hyphenation of "floating point",
10422         "double precision", and related terminology throughout the file.
10424 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
10426         PR target/52006
10427         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
10428         arm_general_register_operand predicate for operand 2 instead of
10429         register_operand.
10431 2012-01-27  Ian Lance Taylor  <iant@google.com>
10433         PR go/47656
10434         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
10435         * builtins.c (expand_builtin_init_trampoline): Add onstack
10436         parameter.  Change caller.
10437         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
10438         * tree.c (build_common_builtin_nodes): Declare
10439         __builtin_init_heap_trampoline.
10441 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
10443         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
10444         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
10445         * config/avr/avr.c: Ditto.
10446         (avr_regnames): Remove because unused.
10447         * config/avr/avr.md (*cpse.ne): New peephole.
10448         (*cpse.eq): New peephole from former cpse peepholes.
10450 2012-01-27  Michael Eager  <eager@eagercon.com>
10452         * config/microblaze.c (microblaze_emit_compare): Correct
10453         test after pcmp instruction.
10455 2012-01-27  Richard Guenther  <rguenther@suse.de>
10457         PR tree-optimization/52020
10458         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
10460 2012-01-27  Richard Guenther  <rguenther@suse.de>
10462         * ipa-pure-const.c (check_stmt): Clobbers do not make a
10463         function non-const/pure.
10465 2012-01-27  Richard Guenther  <rguenther@suse.de>
10467         PR tree-optimization/50444
10468         * tree-sra.c (build_ref_for_offset): Properly adjust the
10469         MEM_REF type for unaligned accesses.
10471 2012-01-27  Richard Guenther  <rguenther@suse.de>
10473         PR tree-optimization/50444
10474         * expr.c (mem_ref_refers_to_non_mem_p): New function.
10475         (expand_assignment): Use it.  Properly handle misaligned
10476         bases when expanding stores to component references.
10477         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
10478         refactor that case.
10480 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
10482         PR middle-end/51389
10483         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
10484         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
10485         * tree-data-ref.c (find_data_references_in_loop): Make static.
10486         (compute_all_dependences): Change return type to bool.  Bail out
10487         for too many datarefs in a loop.  Move the hunk resetting the data
10488         dependences vector from ...
10489         (compute_data_dependences_for_loop): ... here.  Account for
10490         compute_all_dependences returning false.
10491         (compute_data_dependences_for_bb): Likewise.
10492         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
10493         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
10495 2012-01-27  Richard Guenther  <rguenther@suse.de>
10497         PR middle-end/51959
10498         * expr.c (store_field): Use the alias-set of the scratch memory
10499         for storing to it.
10501 2012-01-27  Tom de Vries  <tom@codesourcery.com>
10503         PR tree-optimization/51990
10504         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10505         WITH_SIZE_EXPR.
10506         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
10508 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
10510         PR debug/52001
10511         * var-tracking.c (reverse_op): Don't add any reverse operation
10512         if V already has any constant locations.
10514 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
10516         * doc/invoke.texi: Correct usage of "command line" (noun)
10517         vs "command-line" (adjective) throughout.
10519 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
10521         * doc/invoke.texi (Language Independent Options): Move
10522         -Wcoverage-mismatch blurb from here....
10523         (Warning Options): ...to here.
10525 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
10527         * config/rs6000/rs6000.c (rs6000_option_override_internal):
10528         Set rs6000_always_hint to false for 476.
10530 2012-01-27  Matthias Klose  <doko@ubuntu.com>
10532         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
10533           system root.
10534         * incpath.c (add_standard_paths): Likewise.
10536 2012-01-27  Richard Henderson  <rth@redhat.com>
10538         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10539         * config/m68k/sync.md (atomic_test_and_set): Rename from
10540         sync_test_and_setqi and adjust the operands.
10541         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
10542         and unconditionally enable.
10544 2012-01-27  Richard Henderson  <rth@redhat.com>
10546         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10547         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
10548         (ldstub): Rename from ldstubqi.
10549         (ldstub<I24MODE>): Remove.
10551 2012-01-27  Richard Henderson  <rth@redhat.com>
10553         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10554         * c-cppbuiltin.c (cpp_atomic_builtins): Define
10555         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
10556         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
10557         * doc/tm.texi: Rebuild.
10559 2012-01-27  Richard Henderson  <rth@redhat.com>
10561         * optabs.c (gen_atomic_test_and_set): Remove default.
10562         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
10564 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
10566         PR rtl-optimization/51978
10567         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
10568         (combine_reaching_defs): Likewise.
10569         (struct re_info): Remove.
10570         (add_removable_extension): Remove x and data arguments,
10571         add insn, insn_list and def_map.  Use the arguments directly
10572         instead of using struct re_info.
10573         (find_removable_extensions): Don't call add_removable_extension
10574         through note_stores, instead just call it with single_set
10575         result if non-NULL.
10576         (find_and_remove_re): Pass curr_cand->expr instead of
10577         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
10579 2012-01-26  Michael Matz  <matz@suse.de>
10581         PR tree-optimization/46590
10582         * cfgexpand.c: Revert last change (r183305).
10583         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
10584         regs.
10585         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
10586         checking for emptiness.
10588 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
10590         PR middle-end/51895
10591         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
10592         non-addressable non-BLKmode base correctly.
10594 2012-01-26  Michael Matz  <matz@suse.de>
10596         PR tree-optimization/48794
10597         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
10598         regions referenced from RESX/EH_DISPATCH.
10600 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10602         * config/s390/s390.h: Make BRANCH_COST an option.
10603         * config/s390/s390.opt: New option -mbranch-cost.
10605 2012-01-26  Richard Henderson  <rth@redhat.com>
10607         Revert 2012-01-24 change:
10608         * trans-mem.c (requires_barrier): Do not instrument thread local
10609         variables and emit save/restore for them.
10611 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
10613         PR middle-end/51986
10614         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
10615         for pat == 0.
10617 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
10619         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
10620         ASM_OPERANDS.
10622 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
10624         PR target/49868
10625         Rename __pgm to __flash.
10626         Rename __pgm1 to __flash1.
10627         Rename __pgm2 to __flash2.
10628         Rename __pgm3 to __flash3.
10629         Rename __pgm4 to __flash4.
10630         Rename __pgm5 to __flash5.
10631         Rename __pgmx to __memx.
10632         * doc/extend.texi (AVR Named Address Spaces)
10633         Rename address space names as indicated above.
10634         * config/avr/avr.c (avr_addrspace): Ditto.
10636         * config/avr/avr-protos.h
10637         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
10638         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
10639         * config/avr/predicates.md: Ditto.
10640         * config/avr/avr.c Ditto, and
10641         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
10642         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
10644         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
10645         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
10646         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
10647         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
10648         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
10649         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
10650         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
10651         * config/avr/avr.c: Ditto.
10652         * config/avr/avr.md: Ditto.
10654 2012-01-25  Jason Merrill  <jason@redhat.com>
10656         PR c++/51992
10657         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
10659 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
10661         PR tree-optimization/51987
10662         * tree-data-ref.c (get_references_in_stmt): Handle references in
10663         non-volatile GIMPLE_ASM.
10665 2012-01-25  Richard Guenther  <rguenther@suse.de>
10667         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
10668         bases are dereferenced.
10670 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
10672         PR rtl-optimization/48374
10673         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
10675 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
10677         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
10678         compute_data_dependences_for_loop returns false.
10679         * tree-parloops.c (loop_parallel_p): Likewise.
10681 2012-01-25  Richard Guenther  <rguenther@suse.de>
10683         * tree.h (get_pointer_alignment_1): Declare.
10684         * builtins.c (get_pointer_alignment_1): New function.
10685         (get_pointer_alignment): Use it.
10687 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10689         PR rtl-optimization/48308
10690         * combine.c (enum undo_kind): Add UNDO_LINKS.
10691         (struct undo): Add member l to other_contents and where.
10692         (do_SUBST_LINK): New.
10693         (SUBST_LINK): New.
10694         (try_combine): Handle LOG_LINKS for the dummy i1 case.
10695         (undo_all): Handle UNDO_LINKS.
10697 2012-01-25  Richard Henderson  <rth@redhat.com>
10699         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
10700         mem inputs.
10702 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10704         * optabs.c (gen_atomic_test_and_set): Use each argument.
10706 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10708         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
10709         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
10710         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
10711         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
10712         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
10713         TARGET_PAIRED_SINGLE_FLOAT.
10715 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10717         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10718         (in_struct, return_val): Remove MEM documentation.
10719         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
10720         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10721         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
10722         and MEM_SCALAR.
10723         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10724         * cfgexpand.c (add_alias_set_conflicts): Likewise.
10725         * expr.c (store_field): Likewise.
10726         * function.c (assign_stack_temp_for_type): Likewise.
10727         * ifcvt.c (noce_try_cmove_arith): Likewise.
10728         * reload1.c (reload): Likewise.
10729         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
10730         (alpha_set_memflags): Likewise.
10731         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
10733 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10735         * rtl.h (true_dependence, canon_true_dependence): Remove varies
10736         parameter.
10737         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
10738         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
10739         (true_dependence_1, true_dependence, canon_true_dependence): Remove
10740         varies parameter.
10741         * cselib.c (cselib_rtx_varies_p): Delete.
10742         (cselib_invalidate_mem): Update call to canon_true_dependence.
10743         * dse.c (record_store, check_mem_read_rtx): Likewise.
10744         (scan_reads_nospill): Likewise.
10745         * cse.c (check_dependence): Likewise.
10746         (cse_rtx_varies_p): Delete.
10747         * expr.c (safe_from_p): Update call to true_dependence.
10748         * ira.c (validate_equiv_mem_from_store): Likewise.
10749         (memref_referenced_p): Likewise.
10750         * postreload-gcse.c (find_mem_conflicts): Likewise.
10751         * sched-deps.c (sched_analyze_2): Likewise.
10752         * store-motion.c (load_kills_store): Likewise.
10753         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
10754         * gcse.c (mems_conflict_for_gcse_p): Likewise.
10755         (compute_transp): Update call to canon_true_dependence.
10757 2012-01-25  Richard Henderson  <rth@redhat.com>
10759         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
10760         (maybe_emit_atomic_test_and_set): New.
10761         (expand_sync_lock_test_and_set): Use it.
10762         (expand_atomic_test_and_set): Likewise.
10763         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
10764         the implementation; clarify implementation defined details.
10765         * doc/md.texi (atomic_test_and_set): Document.
10767 2012-01-25  Richard Henderson  <rth@redhat.com>
10769         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
10771 2012-01-25  Richard Henderson  <rth@redhat.com>
10773         PR target/51968
10774         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
10775         to effect no-op split.
10777 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
10779         PR lto/51698
10780         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
10781         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
10782         (BT_FN_VOID_PTR_INT_SIZE): New.
10783         (BT_FN_UINT_UINT_VAR): Remove.
10784         (BT_FN_UINT32_UINT32_VAR): New.
10785         (BT_FN_DOUBLE_VPTR): Remove.
10786         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
10788         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
10789         (_ITM_changeTransactionMode): Same.
10790         (_ITM_memmoveRtWt): Change return type to void.
10791         (_ITM_memcpyRtWt): Same.
10792         (_ITM_memsetW): Same.
10793         (_ITM_RaRD): Change types to double.
10794         (_ITM_RD): Same.
10795         (_ITM_RaWD): Same.
10796         (_ITM_RfWD): Same.
10798         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
10800 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
10801             Patrick Marlier  <patrick.marlier@gmail.com>
10803         * trans-mem.c (requires_barrier): Do not instrument thread local
10804         variables and emit save/restore for them.
10806 2012-01-24  Jason Merrill  <jason@redhat.com>
10808         PR c++/51812
10809         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
10810         output static aliases.
10812 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
10814         PR driver/47249
10815         * common.opt (-pie, -shared, pie, shared): Change from Common to
10816         Driver.
10817         * gcc.c (display_help): Display help for -pie and -shared.
10819 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
10821         PR target/49868
10822         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
10823         Remove note on size/offset limitation.
10824         (AVR Variable Attributes): Add example how to read data located
10825         with progmem.  Refer to named address spaces.
10826         * doc/invoke.texi (AVR Options): Fix typo.
10828 2012-01-24  Richard Guenther  <rguenther@suse.de>
10830         Forward-port to trunk
10831         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
10833         PR middle-end/45678
10834         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
10835         op0 isn't sufficiently aligned and there is movmisalignM
10836         insn for mode, use it to load op0 into a temporary register.
10838 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
10840         PR target/51957
10841         * target.def (const_not_ok_for_debug_p): New hook.
10842         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
10843         documentation.
10844         * doc/tm.texi: Regenerated.
10845         * dwarf2out.c (const_ok_for_output_1): If
10846         targetm.const_not_ok_for_debug_p returns true, fail.
10847         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
10848         function.
10849         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
10851 2012-01-23  Kai Tietz  <ktietz@redhat.com>
10853         PR target/51900
10854         * config/i386/predicates.md (symbolic_operand): Allow
10855         UNSPEC_PCREL as PIC expression for lea.
10856         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
10857         * config/i386/i386.c (ix86_delegitimize_address): Handle
10858         UNSPEC_PCREL for none-MEM, too.
10860 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
10862         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
10863         (ipa_tm_create_version_alias): Same.
10865 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
10867         PR libitm/51830
10868         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
10869         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
10871 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
10872             Patrick Marlier  <patrick.marlier@gmail.com>
10873             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
10875         PR lto/51916
10876         * lto-wrapper.c (run_gcc): Pass the LTO section name to
10877         simple_object_start_read.
10879 2012-01-23  Richard Guenther  <rguenther@suse.de>
10882         PR tree-optimization/51895
10883         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
10884         parameter decomposition into BLKmode components.
10886 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
10888         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
10889         fake variables for restrict-qualified pointers whose pointed-to type
10890         contains a placeholder.
10892 2012-01-23  Richard Guenther  <rguenther@suse.de>
10894         PR tree-optimization/51949
10895         * ipa-split.c (execute_split_functions): Do not split malloc functions.
10897 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
10899         PR rtl-optimization/51933
10900         * ree.c (transform_ifelse): Return true right away if dstreg is
10901         already wider or equal to cand->mode.
10902         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
10903         (make_defs_and_copies_lists): Remove defs_list and copies_list
10904         arguments, add state argument, just truncate state->work_list
10905         instead of always allocating and freeing the vector.  Assert that
10906         get_defs succeeds instead of returning 2.  Changed return type to bool.
10907         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
10908         have ext_src_mode, see if it has been modified already with the
10909         right kind of extension and has been extended before from the
10910         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
10911         just return true.  Remember the original mode in state->modified array.
10912         (combine_reaching_defs): Add state argument.  Don't allocate and
10913         free here def_list, copied_list and vec vectors, instead just
10914         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
10915         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
10916         Add state variable, clear vectors in it, initialize state.modified
10917         if needed.  Free all the vectors at the end and state.modified too.
10918         Don't skip a candidate if the extension expression has been modified.
10920 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
10922         PR target/47096
10923         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
10924          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
10925         (extra_options) interix.opt -> i386/interix.opt"
10926         (extra_objs):Add winnt-stubs.o
10927         * configure.ac: Add interix to target_os .comm on PE check.
10928         * configure: Regenerate.
10929         * config/interix3.h: Delete and move bits to..
10930         * config/interix.h: Delete and move bits to..
10931         * config/i386/i386-interix3.h: Delete and move bits to..
10932         * config/i386/i386-interix.h: ..here.
10933         (TARGET_CPU_DEFAULT): Remove redefinition.
10934         (TARGET_ASM_CONSTRUCTOR): Undefine.
10935         (SUBTARGET_SWITCHES): Define for ms-bitfields.
10936         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
10937         (PTRDIFF_TYPE): Define.
10938         (LONG_DOUBLE_TYPE_SIZE): Define.
10939         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
10940         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10941         (TARGET_SECTION_TYPE_FLAGS): Define.
10942         (ASM_DECLARE_FUNCTION_NAME): Define.
10943         (ASM_OUTPUT_EXTERNAL): Define.
10944         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10945         (ASM_OUTPUT_ALIGNED_BSS): Define.
10946         (PCC_BITFIELD_TYPE_MATTERS): Define.
10947         (USE_CONST_SECTION): Define.
10948         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
10949         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
10950         (SUPPORTS_ONE_ONLY): Remove.
10951         (I386_PE_STRIP_ENCODING): Define.
10952         * config/interix.opt: Delete and move bits to..
10953         * config/i386/interix.opt: ..here. New.
10954         (mpe-aligned-commons): Add.
10955         * config/i386/t-interix: Add copyright header.
10956         (winnt-stubs.o): Add rule.
10958 2012-01-22  Jason Merrill  <jason@redhat.com>
10960         PR c++/51832
10961         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
10962         for extra name aliases.
10964 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10966         PR rtl-optimization/51924
10967         * ree.c (combine_set_extension): Improve debugging message.
10968         (combine_reaching_defs): Likewise.
10969         (get_defs): Rename confusingly named variable.
10970         (find_and_remove_re): Skip a candidate if the extension expression has
10971         been modified.
10973 2012-01-21  Robert Millan  <rmh@gnu.org>
10974             Gerald Pfeifer  <gerald@pfeifer.com>
10976         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
10977         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
10979 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
10981         PR tree-optimization/51914
10982         * tree-vect-stmts.c (vectorizable_conversion): For
10983         cvt_type && modifier == WIDEN, put temporary with cvt_type
10984         at the beginning of vec_dsts and set vec_dest to temporary
10985         with vectype_out.
10987 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
10989         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
10991 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
10993         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
10994         * config/rs6000/rs6000.c: Likewise.
10996 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
10998         PR target/51915
10999         * config/arm/arm.c (arm_count_output_move_double_insns): Call
11000         output_move_double on a copy of operands array.
11002 2012-01-20  Cary Coutant  <ccoutant@google.com>
11003             Dodji Seketeli  <dodji@redhat.com>
11005         PR debug/45682
11006         * dwarf2out.c (copy_declaration_context): Return ref to parent
11007         of declaration DIE, if necessary.
11008         (remove_child_or_replace_with_skeleton): Add new parameter; update
11009         caller.  Place skeleton DIE under parent DIE of original declaration.
11010         Move call to copy_declaration_context to here ...
11011         (break_out_comdat_types): ... from here.
11013 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11015         PR rtl-optimization/51856
11016         * reload.c (find_reloads_subreg_address): Set the address_reloaded
11017         flag to reloaded.
11019 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
11021         PR target/51819
11022         * config/arm/arm.c (arm_print_operand): Correct output of alignment
11023         hints for neon loads and stores.
11025 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
11027         PR target/49868
11028         PR target/50887
11029         * doc/extend.texi (Named Address Spaces): Split into subsections.
11030         (AVR Named Address Spaces): New subsection.
11031         (M32C Named Address Spaces): New subsection.
11032         (RL78 Named Address Spaces): New subsection.
11033         (SPU Named Address Spaces): New subsection.
11034         (Variable Attributes): New anchor "AVR Variable Attributes".
11035         (AVR Variable Attributes): Rewrite and avoid wording
11036         "address space" in this context.
11037         * doc/invoke.texi (AVR Options): Rewrite and add documentation
11038         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
11039         (AVR Built-in Macros): New subsubsection therein.
11040         * doc/md.texi (AVR constraints): Remove "C04", "R".
11042 2012-01-20  Richard Guenther  <rguenther@suse.de>
11044         PR tree-optimization/51903
11045         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
11046         when removing stmts.
11048 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
11050         PR target/50313
11051         * config/arm/arm.c (arm_load_pic_register): Use
11052         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
11053         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
11054         (arm_pic_static_addr): Likewise.
11055         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
11056         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
11057         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
11058         (pic_load_addr_unified): New.
11060 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
11062         PR target/51106
11063         * function.c (instantiate_virtual_regs_in_insn): Use
11064         delete_insn_and_edges when removing a wrong asm insn.
11066 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11068         PR rtl-optimization/40761
11069         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
11070         Add new member loop_num.
11071         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
11072         (ira_build): Remove the parameter.
11074         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
11075         (ira.c): Do not build CFG loops for one region allocation.  Remove
11076         argument from ira_build call.
11078         * ira-build.c (init_loop_tree_node): New function.
11079         (create_loop_tree_nodes): Use it.  Separate the case when CFG
11080         loops are not built.
11081         (more_one_region_p): Check current_loops.
11082         (finish_loop_tree_nodes): Separate the case when CFG loops are not
11083         built.
11084         (add_loop_to_tree): Process loop equal to NULL too.
11085         (form_loop_tree): Separate the case when CFG loops are not built.
11086         Use explicitly number for the root.
11087         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
11088         an assertion.
11089         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
11090         instead of loop->num.
11091         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
11092         (mark_all_loops_for_removal): Ditto.
11093         (remove_unnecessary_regions): Separate the case when CFG loops
11094         are not built.
11095         (ira_build): Remove the parameter.  Use explicit number of regions
11096         when CFG loops are not built.
11098         * ira-color.c (print_loop_title): Separate the case for the root node.
11099         Use loop_num instead of loop->num.
11100         (move_spill_restore): Use loop_num instead of loop->num.
11102         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
11103         (change_loop): Ditto.
11104         (change_loop): Use loop_num instead of loop->num.
11106         * ira-lives.c (process_bb_node_lives): Ditto.
11108         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
11110         * ira-conflicts.c (print_allocno_conflicts): Ditto.
11112 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
11114         PR libmudflap/40778
11115         * tree-mudflap.c (mf_artificial): New function.
11116         (execute_mudflap_function_ops, execute_mudflap_function_decls,
11117         mx_register_decls, mudflap_enqueue_decl): Use it.
11119         PR target/51876
11120         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
11121         numbers in the insn pattern.
11123 2012-01-19  Michael Matz  <matz@suse.de>
11125         PR tree-optimization/46590
11126         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
11127         use it in remembering which conflicts we already created.
11128         (add_scope_conflicts): Adjust call to above, (de)allocate helper
11129         bitmap.
11131 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
11133         PR lto/51280
11134         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
11135         (merge_and_complain): Same.
11137 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
11139         PR bootstrap/50237
11140         * config/initfini-array.h: Guard content of the header
11141         with #ifdef HAVE_INITFINI_ARRAY.
11142         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
11143         Add initfini-array.h to tm_file here.
11144         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
11145         * config.gcc: Don't add initfini-array.h to tm_file here.
11146         * configure: Regenerated.
11148 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
11150         PR rtl-optimization/51505
11151         * df-problems.c (df_kill_notes): New parameter live. Update comment.
11152         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
11153         (df_note_bb_compute): Update the call to df_kill_notes.
11155 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
11157         * trans-mem.c (requires_barrier): Remove call to is_global_var.
11159 2012-01-18  Richard Guenther  <rguenther@suse.de>
11161         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
11162         of conversions to void *.
11164 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11165             Richard Sandiford  <rdsandiford@googlemail.com>
11167         PR middle-end/50325
11168         PR middle-end/51192
11169         * optabs.h (simplify_expand_binop): Declare.
11170         * optabs.c (simplify_expand_binop): Make global.
11171         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
11172         endian targets if the source cannot be exactly covered by word
11173         mode chunks.
11175 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
11177         PR bootstrap/51872
11178         * hard-reg-set.h (struct hard_reg_set_container): New type.
11179         * target.h (struct hard_reg_set_container): Forward declare.
11180         * target.def (set_up_by_prologue): New target hook.
11181         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
11182         * doc/tm.texi: Regenerated.
11183         * function.c (thread_prologue_and_epilogue_insns): Change
11184         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
11185         Call targetm.set_up_by_prologue on it.
11186         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
11187         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
11189 2012-01-17  Nick Clifton  <nickc@redhat.com>
11191         * config/rx/rx.c (rx_can_use_simple_return): New function.
11192         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
11193         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
11195 2012-01-17  Richard Guenther  <rguenther@suse.de>
11197         PR middle-end/51782
11198         * expr.c (expand_assignment): Take address-space information
11199         from the address operand of MEM_REF and TARGET_MEM_REF.
11200         (expand_expr_real_1): Likewise.
11202 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11204         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
11205         reload dump is requested.
11207 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
11209         PR other/51165
11210         * trans-mem.c (requires_barrier): Call may_be_aliased.
11212 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
11214         PR tree-optimization/51877
11215         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
11216         call arguments and fndecls compare equal, instead return false if they
11217         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
11218         both SSA_NAMEs that are valueized the same, or they satisfy
11219         operand_equal_p.
11221 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11223         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
11224         Solaris 11+.
11225         * configure: Regenerate.
11227 2012-01-16  Jan Hubicka  <jh@suse.cz>
11229         PR c/12245
11230         PR c++/14179
11231         * convert.c (convert_to_integer): Use fold_convert for
11232         converting an INTEGER_CST to integer type.
11234 2012-01-16  Jason Merrill  <jason@redhat.com>
11236         PR c++/14179
11237         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
11239 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
11241         PR bootstrap/51860
11242         * config/s390/s390.c (s390_chunkify_start): Don't skip
11243         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
11244         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
11245         If insn is followed by NOTE_INSN_VAR_LOCATION or
11246         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
11247         Don't use location of note insns.
11249         PR tree-optimization/51865
11250         * tree-inline.c (tree_function_versioning): Call remap_decl
11251         on DECL_RESULT whenever it has VOID_TYPE_P type.
11253 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11255         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
11256         for calls to locally-binding MIPS16 functions if only the return
11257         type uses float regs.
11259 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
11260             Richard Sandiford  <rdsandiford@googlemail.com>
11262         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
11263         (SYMBOL_32_HIGH): Likewise.
11264         (mips_output_tls_reloc_directive): Declare.
11265         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
11266         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
11267         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
11268         (mips_lo_relocs, mips_hi_relocs): Make extern.
11269         (mips16_stub_function): Move up file.
11270         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
11271         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
11272         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
11273         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
11274         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
11275         (mips_get_tp): Add MIPS16 support.
11276         (mips_legitimize_tls_address): Remove MIPS16 sorry().
11277         Generalize DTPREL and TPREL handling.
11278         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
11279         Add MIPS16 TLS support.
11280         (mips_output_tls_reloc_directive): New function.
11281         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
11282         * config/mips/predicates.md (symbolic_operand_with_high)
11283         (tls_reloc_operand): New predicates.
11284         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
11285         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
11286         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
11287         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
11288         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
11289         (*tls_get_tp_mips16_call_<mode>): Likewise.
11291 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
11293         PR rtl-optimization/51821
11294         * recog.c (peep2_find_free_register): Determine clobbered registers
11295         from insn pattern.
11297 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
11299         PR target/50925
11300         * config/avr/avr-protos.h: Revert change of 2012-01-09.
11301         * config/avr/avr.c: Likewise.
11302         * config/avr/avr.h: Likewise.
11304 2012-01-13  Ian Lance Taylor  <iant@google.com>
11306         PR c++/50012
11307         * tree.h (TYPE_QUALS): Add cast to int.
11308         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
11310 2012-01-13  Ian Lance Taylor  <iant@google.com>
11312         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
11313         comparing param_index to VEC_length result.
11315 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
11317         * c-decl.c: Do not include tree-mudflap.h
11318         * tree-optimize.c: Likewise.
11319         * Makefile.in: Update dependencies.
11321 2012-01-13  Richard Guenther  <rguenther@suse.de>
11323         PR middle-end/8081
11324         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
11325         variable-sized result always use RSO.
11327 2012-01-12  DJ Delorie  <dj@redhat.com>
11329         * cfgexpand.c (convert_debug_memory_address): Allow any valid
11330         pointer type, not just the default pointer type.
11332 2012-01-09  Richard Henderson  <rth@redhat.com>
11333             Denis Chertykov  <chertykov@gmail.com>
11335         PR target/50925
11336         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
11337         * config/avr/avr.c (avr_can_eliminate): Simplify.
11338         (avr_initial_elimination_offset): Likewise.
11339         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
11340         (expand_epilogue): Likewise.
11341         (avr_legitimize_address): Gut.
11342         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
11343         (avr_hard_regno_nregs): New.
11344         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
11345         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
11346         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
11347         add soft frame pointer.
11348         (CALL_USED_REGISTERS): Likewise.
11349         (REG_CLASS_CONTENTS): Likewise.
11350         (REGISTER_NAMES): Likewise.
11351         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
11352         (HARD_FRAME_POINTER_REGNUM): New.
11353         (FRAME_POINTER_REGNUM): Use soft frame pointer.
11354         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
11355         remove the HARD_FRAME_POINTER self-elimination.
11357 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
11359         PR target/51756
11360         * config/avr/avr.c (avr_encode_section_info): Test for absence of
11361         DECL_EXTERNAL when checking for initializers of progmem variables.
11363 2012-01-12  Ira Rosen  <irar@il.ibm.com>
11365         PR tree-optimization/51799
11366         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
11367         that the last operation is a type demotion.
11369 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
11371         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
11372         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
11374 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
11376         PR bootstrap/51796
11377         * combine.c (distribute_notes): If i3 is a noreturn call,
11378         allow old_size to be equal to args_size and make sure the
11379         noreturn call gets REG_ARGS_SIZE note.
11380         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
11381         on noreturn calls even when the delta is 0.
11383 2012-01-11  Nathan Sidwell  <nathan@acm.org>
11385         * gcov.c (STRING_SIZE): Remove.
11386         (generate_results): Erase annotations for source files with no
11387         coverage information.
11388         (read_line): New.
11389         (output_lines): Use it.
11391 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11393         * gimple.h (gimplify_body): Remove first argument.
11394         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
11395         pointer set here, instead just pass DATA to walk_tree.
11396         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
11397         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
11398         (unvisit_body): Likewise, but with unmark_visited.
11399         (gimplify_body): Remove BODY_P argument and adjust.
11400         (gimplify_function_tree): Adjust call to gimplify_body.
11401         * omp-low.c (finalize_task_copyfn): Likewise.
11403 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11405         * tree.h (build_function_decl_skip_args): Add boolean parameter.
11406         (build_function_type_skip_args): Delete.
11407         * tree.c (build_function_type_skip_args): Make static and add
11408         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
11409         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
11410         pass it to build_function_type_skip_args.
11411         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
11412         (tree_function_versioning): Likewise.
11413         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
11414         build_function_decl_skip_args.
11415         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
11416         and pass it to build_function_decl_skip_args/tree_function_versioning.
11417         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
11418         * ipa-inline-transform.c (save_inline_function_body): Likewise.
11419         * trans-mem.c (ipa_tm_create_version): Likewise.
11420         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
11421         * tree-inline.c (declare_return_variable): Remove always-true test.
11422         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
11423         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
11424         * ipa-split.c (split_function): Skip the return value for the split
11425         part if it doesn't return.
11427 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11429         PR tree-optimization/49642
11430         * ipa-split.c (forbidden_dominators): New variable.
11431         (check_forbidden_calls): New function.
11432         (dominated_by_forbidden): Likewise.
11433         (consider_split): Check for forbidden dominators.
11434         (execute_split_functions): Initialize and free forbidden
11435         dominators info; call check_forbidden_calls.
11437 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11439         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
11441 2012-01-11  Nick Clifton  <nickc@redhat.com>
11443         * config/rx/rx.md (return): Define pattern.
11445 2012-01-11  Richard Guenther  <rguenther@suse.de>
11447         * doc/extend.texi (malloc attribute): Adjust according to
11448         implementation.
11450 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
11451             Patrick Marlier  <patrick.marlier@gmail.com>
11453         PR middle-end/51516
11454         * trans-mem.c (get_cg_data): Traverse aliases if requested.
11455         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
11456         (ipa_tm_note_irrevocable): Same.
11457         (ipa_tm_scan_irr_block): Same.
11458         (ipa_tm_decrement_clone_counts): Same.
11459         (ipa_tm_scan_irr_function): Same.
11460         (ipa_tm_create_version_alias): Same.
11461         (ipa_tm_create_version): Same.
11462         (ipa_tm_transform_calls_redirect): Same.
11463         (ipa_tm_transform_calls): Same.
11464         (ipa_tm_transform_transaction): Same.
11465         (ipa_tm_execute): Same.
11467 2012-01-10  Richard Guenther  <rguenther@suse.de>
11469         PR middle-end/51806
11470         * opts.c (common_handle_option): Handle -Werror.
11472 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
11474         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
11475         operand number.
11477 2012-01-10  Jason Merrill  <jason@redhat.com>
11479         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
11480         information.
11482 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11484         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
11485         supports R_386_TLS_GD_PLT reloc.
11486         (gcc_cv_as_ix86_tlsldmplt): Check if linker
11487         supports R_386_TLS_LDM_PLT reloc.
11488         * configure: Regenerate.
11489         * config.in: Regenerate.
11491 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
11493         PR target/49868
11494         Extend __pgmx semantics to linearize memory.
11495         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
11496         determine if code comes inline or from libgcc.
11497         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
11498         (movmem_qi, movmem_qi): Set constraint #2 to "n".
11499         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
11500         (movmemx_qi, movmemx_hi): New insns.
11501         (xload_<mode>_libgcc): Rewrite to new insn condition.
11502         (xload_<mode>): Remove insns.
11503         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
11504         cases that don't satisfy avr_xload_libgcc_p().
11505         (avr_addr_space_convert): Allow converting in any direction.
11506         (avr_addr_space_subset_p): Return always true.
11507         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
11508         (avr_emit_movmemhi): Ditto.
11509         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
11510         (avr_out_movmem): Ditto.
11511         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
11512         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
11513         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
11514         (avr_encode_section_info): Encode 'progmem' in symbol flags.
11515         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
11517 2012-01-10  Richard Guenther  <rguenther@suse.de>
11519         PR tree-optimization/50913
11520         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
11521         Require data-refs to be representable by Graphite with respect
11522         to any loop nest.
11524 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
11526         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
11527         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
11529 2012-01-10  Tom de Vries  <tom@codesourcery.com>
11531         PR rtl-optimization/51271
11532         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
11533         handling annulled branch.
11535 2012-01-10  Richard Henderson  <rth@redhat.com>
11537         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
11538         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
11539         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
11540         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
11541         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
11542         arm_expand_vec_perm_const): New.
11543         * config/arm/arm-protos.h: Update.
11544         * config/arm/neon.md (UNSPEC_VCONCAT): New.
11545         (*neon_vswp<VDQX>): New.
11546         (neon_vcombine<VDX>): Use neon_split_vcombine.
11547         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
11548         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
11549         (vec_perm<VE>): New.
11551 2012-01-10  Richard Henderson  <rth@redhat.com>
11553         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
11554         use it if reload_completed.
11555         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
11556         arm_output_asm_insn, arm_process_output_memory_barrier,
11557         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
11558         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
11559         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
11560         arm_process_output_sync_insn, arm_output_sync_insn,
11561         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
11562         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
11563         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
11564         (emit_unlikely_jump): New.
11565         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
11566         (arm_split_atomic_op): New.
11567         * config/arm/arm-protos.h: Update.
11568         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
11569         (struct arm_sync_generator): Remove.
11570         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
11571         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
11572         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
11573         (VUNSPEC_LL, VUNSPEC_SC): New.
11574         (sync_result, sync_memory, sync_required_value, sync_new_value,
11575         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
11576         (attr length): Don't use arm_sync_loop_insns.
11577         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
11578         (movsfcc, movdfcc): Likewise.
11579         * config/arm/constraints.md (Ua): New.
11580         * config/arm/prediates.md (mem_noofs_operand): New.
11581         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
11582         (sync_clobber, sync_t2_reqd): Remove.
11583         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
11584         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
11585         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
11586         (arm_sync_compare_and_swap<SIDI>): Remove.
11587         (arm_sync_compare_and_swap<NARROW>): Remove.
11588         (arm_sync_lock_test_and_set<SIDI>): Remove.
11589         (arm_sync_lock_test_and_set<NARROW>): Remove.
11590         (arm_sync_new_<syncop><SIDI>): Remove.
11591         (arm_sync_new_<syncop><NARROW>): Remove.
11592         (arm_sync_new_nand<SIDI>): Remove.
11593         (arm_sync_new_nand<NARROW>): Remove.
11594         (arm_sync_old_<syncop><SIDI>): Remove.
11595         (arm_sync_old_<syncop><NARROW>): Remove.
11596         (arm_sync_old_nand<SIDI>): Remove.
11597         (arm_sync_old_nand<NARROW>): Remove.
11598         (*memory_barrier): Merge arm_output_memory_barrier.
11599         (atomic_compare_and_swap<QHSD>): New.
11600         (atomic_compare_and_swap<NARROW>_1): New.
11601         (atomic_compare_and_swap<SIDI>_1): New.
11602         (atomic_exchange<QHSD>): New.
11603         (cas_cmp_operand, cas_cmp_str): New.
11604         (atomic_op_operand, atomic_op_str): New.
11605         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
11606         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
11607         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
11608         (arm_load_exclusive<NARROW>): New.
11609         (arm_load_exclusivesi, arm_load_exclusivedi): New.
11610         (arm_store_exclusive<QHSD>): New.
11612 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
11614         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
11615         reload patterns if -mvsx-scalar-memory.
11617         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
11618         generated, even -mno-vsx-scalar-double was used.
11619         (vsx_xscvdpsp_scalar): Likewise.
11620         (vsx_xscvspdp_scalar2): Likewise.
11622 2012-01-09  Tom de Vries  <tom@codesourcery.com>
11623             Andrew Pinski  <apinski@cavium.com>
11625         PR debug/51471
11626         * reorg.c (fill_slots_from_thread): Don't speculate
11627         frame-related insns.
11629 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
11631         * sched-int.h (bb_note): Move to...
11632         * basic-block.h: ...here.
11633         * haifa-sched.c (bb_note): Move to...
11634         * cfgrtl.c: ...here.
11635         * function.c (next_block_for_reg): New function.
11636         (move_insn_for_shrink_wrap): Likewise.
11637         (prepare_shrink_wrap): Rewrite to use the above.
11639 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
11641         * gimple.c (is_gimple_non_addressable): Remove.
11642         * gimple.h: Remove is_gimple_non_addressable.
11643         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
11644         is_gimple_non_addressable.
11645         * trans-mem.c (expand_assign_tm): Same.
11647 2012-01-09  Richard Guenther  <rguenther@suse.de>
11649         PR tree-optimization/51775
11650         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
11651         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
11653 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11655         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
11656         tuning parameters.
11657         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
11659 2012-01-09  Richard Guenther  <rguenther@suse.de>
11661         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
11663 2012-01-08  Jan Hubicka  <jh@suse.cz>
11665         PR tree-optimize/51680
11666         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
11667         on when known_vals needs to be computed; cleanup.
11669 2012-01-08  Jan Hubicka  <jh@suse.cz>
11671         PR tree-optimize/51694
11672         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
11674 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
11676         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
11677         for -std=c++98 and -std=c++11 too.
11679 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
11681         * cfgloop.c (cancel_loop): Add free() of bbs array.
11683 2012-01-07  Jan Hubicka  <jh@suse.cz>
11685         PR tree-optimization/51600
11686         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
11687         that benefits small functions.
11689 2012-01-07  Jan Hubicka  <jh@suse.cz>
11691         * ipa-inline.c (want_inline_small_function_p): Fix formating.
11693 2012-01-07  Jan Hubicka  <jh@suse.cz>
11695         PR tree-optimization/51680
11696         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
11697         whose inlining reduce unit size.
11699 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
11701         PR bootstrap/51725
11702         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
11703         Add canonical node to containing_mem chain after the non-canonical
11704         one, even if there weren't any locs to propagate.
11705         (remove_useless_values): Keep only canonical values.
11706         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
11707         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
11708         canonicalize mem_chain elements that are not discarded.
11710 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
11712         PR target/47333
11713         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
11714         before emitting functions.
11716         PR gcov-profile/50127
11717         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
11718         clear_aux_for_blocks.
11720 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
11722         PR debug/51746
11723         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
11725 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
11727         * c-decl.c (ext_block): Moved up.
11728         (collect_all_refs, for_each_global_decl): Take ext_block into account.
11730 2012-01-06  Han Shen  <shenhan@google.com>
11732         Translate built-in include paths for sysroot.
11733         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
11734         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
11736         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
11737         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
11739         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
11740         control whether sysroot should be prepended to gxx include dir.
11742         * configure: Regenerate.
11744 2012-01-06  Torvald Riegel  <triegel@redhat.com>
11746         PR rtl-optimization/51771
11747         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
11748         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
11750 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11752         PR tree-optimization/51315
11753         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
11754         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
11756 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
11758         PR target/51681
11759         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
11760         for shrp pattern.  Correctly handle and fixup shift variable.
11761         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
11763 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11765         PR debug/51762
11766         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
11767         note when !ACCUMULATE_OUTGOING_ARGS.
11769 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11771         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
11772         condition.
11773         (extract_range_from_unary_expr_1): Avoid useless computations.
11775 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11777         PR rtl-optimization/51767
11778         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
11779         of jump_block and add an extra edge for degenerated asm gotos.
11781         PR middle-end/51768
11782         * stmt.c (check_unique_operand_names): Don't ICE during error
11783         reporting if i is from labels chain.
11785         PR middle-end/44777
11786         * profile.c (branch_prob): Split bbs that have exit edge
11787         and need a fake entry edge too.
11789 2012-01-05  Jan Hubicka  <jh@suse.cz>
11791         PR middle-end/49710
11792         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
11793         unlooping loops.
11795 2012-01-05  Richard Guenther  <rguenther@suse.de>
11797         PR lto/50490
11798         * tree-streamer-out.c (write_ts_optimization): New function.
11799         (streamer_write_tree_body): Call it.
11800         * tree-streamer-in.c (lto_input_ts_optimization): New function.
11801         (streamer_read_tree_body): Call it.
11802         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
11804 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11806         PR middle-end/51761
11807         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
11808         * gimplify.c (gimplify_cleanup_point_expr): Save and set
11809         in_cleanup_point_expr before gimplify_stmt call and restore it
11810         afterwards.
11811         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
11812         in_cleanup_point_expr is false.
11814 2012-01-05  Richard Guenther  <rguenther@suse.de>
11816         PR middle-end/51764
11817         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
11818         to c.opt.
11819         * toplev.c (process_options): Reject combining mudflap and LTO.
11820         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
11822 2012-01-05  Richard Guenther  <rguenther@suse.de>
11824         PR tree-optimization/51760
11825         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
11826         not VARYING.
11827         (bit_value_unop): Handle UNDEFINED operands.
11828         (bit_value_binop): Likewise.
11830 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
11832         * config/avr/avr.c (avr_replace_prefix): Remove.
11833         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
11834         (avr_asm_function_rodata_section): Ditto.
11835         (avr_asm_select_section): Ditto.
11837 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
11839         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
11840         insertion.
11842 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11844         PR bootstrap/51648
11845         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
11846         calls that have any non-fake successor edges.
11848         PR debug/51746
11849         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
11851 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11853         PR tree-optimization/51624
11854         * tree-sra.c (build_ref_for_model): When replicating a chain of
11855         COMPONENT_REFs, stop as soon as the offset would become negative.
11857 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
11859         PR debug/51695
11860         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
11861         in .debug_loc on the floor.
11863 2012-01-04  Andrew Pinski  <apinski@cavium.com>
11865         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
11867 2012-01-04  Andrew Pinski  <apinski@cavium.com>
11868             Adam Nemet  <anemet@caviumnetworks.com>
11870         * config/mips/mips.md (size): Add SI and DI.
11871         (SIZE): New mode attribute.
11872         (U): New code attribute.
11873         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
11874         (mips_lbux_<mode>): Delete.
11875         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
11876         (mips_lhx): Use gen_mips_lhx_extsi.
11877         (mips_lhx_<mode>): Delete.
11878         (mips_lwx): Delete.
11879         (mips_l<size>x): New expand.
11880         (mips_lwx_<mode>): Delete.
11881         (mips_l<GPR:size>x_<P:mode>): New pattern.
11882         (*mips_lw<u>x_<P:mode>_ext): Likewise.
11883         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
11884         * config/mips/mips.c (mips_lx_address_p): New function.
11885         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
11886         (dsp64): New availability predicate.
11887         (mips_builtins): Add an entry for __builtin_mips_ldx.
11888         * config/mips/mips.h (ISA_HAS_LBX): New define.
11889         (ISA_HAS_LBUX): Likewise.
11890         (ISA_HAS_LHX): Likewise.
11891         (ISA_HAS_LHUX): Likewise.
11892         (ISA_HAS_LWX): Likewise.
11893         (ISA_HAS_LWUX): Likewise.
11894         (ISA_HAS_LDX): Likewise.
11895         * doc/extend.texi (__builtin_mips_ldx): Document.
11897 2012-01-04  Tristan Gingold  <gingold@adacore.com>
11899         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
11900         when long pointers are used.
11901         * config.build (*-*-*vms*): Handle all OpenVMS targets.
11902         (alpha64-dec-*vms*, alpha*-dec-*vms*)
11903         (ia64-hp-*vms*): Remove.
11904         * config/vms/xm-vms64.h: Delete.
11906 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11908         PR middle-end/51472
11909         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
11911 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11913         * opts.c (finish_options): Remove duplicate sorry.
11915 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11917         PR middle-end/51696
11918         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
11919         correctly.
11921 2012-01-04  Richard Guenther  <rguenther@suse.de>
11923         PR middle-end/51750
11924         * tree.c (size_low_cst): New function.
11925         * tree.h (size_low_cst): Declare.
11926         * fold-const.c (fold_comparison): Use it to extract the low
11927         part of the POINTER_PLUS_EXPR offset.
11929 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
11931         Fix clearing ZERO_REG
11932         * config/avr/avr.md (cc): Add alternative "ldi".
11933         (movqi_insn): Use it in cc attribute.
11934         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
11935         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
11936         (output_reload_insisf): Use ZERO_REG to pre-clear register.
11938 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11940         * configure: Regenerate.
11942 2012-01-04  Richard Guenther  <rguenther@suse.de>
11944         PR tree-optimization/49651
11945         * tree-ssa-structalias.c (type_can_have_subvars): New function.
11946         (var_can_have_subvars): Use it.
11947         (get_constraint_for_1): Only consider subfields if there can be any.
11949 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
11951         PR bootstrap/51725
11952         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
11953         to its new canonical_cselib_val and the cselib_val was in
11954         first_containing_mem chain, but the canonical_cselib_val was not,
11955         add the latter into the chain.
11956         (cselib_invalidate_mem): Compare canonical_cselib_val of
11957         addr_list chain elt with v.
11959         PR pch/51722
11960         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
11961         dwarf2out_undef): Allocate e.info using ggc_strdup instead
11962         of xstrdup.
11963         (output_macinfo_op): Don't ggc_strdup fd->filename.
11964         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
11965         then ggc_strdup it.  Don't free inc->info or cur->info.
11966         (output_macinfo): Don't free ref->info or file->info.
11968 2012-01-03  Ira Rosen  <irar@il.ibm.com>
11970         PR tree-optimization/51269
11971         * tree-vect-loop-manip.c (set_prologue_iterations): Make
11972         first_niters a pointer.
11973         (slpeel_tree_peel_loop_to_edge): Likewise.
11974         (vect_do_peeling_for_loop_bound): Update call to
11975         slpeel_tree_peel_loop_to_edge.
11976         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
11977         here.  Remove it from the parameters list.
11978         (vect_do_peeling_for_alignment): Update calls and compute
11979         wide_prolog_niters.
11981 2012-01-03  Richard Guenther  <rguenther@suse.de>
11983         PR tree-optimization/51070
11984         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
11985         Properly handle calls.
11987 2012-01-03  Richard Guenther  <rguenther@suse.de>
11989         PR tree-optimization/51692
11990         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
11991         the LHS of allocation stmts.
11993 2012-01-03  Olivier Hainque  <hainque@adacore.com>
11995         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
11997 2012-01-03  Olivier Hainque  <hainque@adacore.com>
11999         * collect2.c (main): In AIX specific computations for vector
12000         insertions, use CONST_CAST2 to cast from char ** to const char **.
12002 2012-01-03  Richard Guenther  <rguenther@suse.de>
12004         PR debug/51650
12005         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
12006         the context of a limbo DIE when it does not already exist.
12008 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
12010         PR tree-optimization/51719
12011         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
12012         but direct call is, clear direct call's lhs and don't add fallthrough
12013         edge from dcall_bb to join_bb and PHIs.
12015 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12017         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
12018         the instructions emitted by the pattern.
12019         ("*TDC_insn_<mode>"): Add comment.
12021 2012-01-03  Richard Guenther  <rguenther@suse.de>
12023         PR middle-end/51730
12024         * fold-const.c (fold_comparison): Properly canonicalize
12025         tree offset and HOST_WIDE_INT bit position.
12027 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
12029         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
12030         operands for extzv pattern.
12032 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
12034         PR bootstrap/51725
12035         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
12036         on mem_elt first.
12038 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
12040         * doc/invoke.texi (-flto and related options): Copy-edit.
12042 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12044         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
12046 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
12048         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
12049         New patterns.
12051 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12053         * expr.h (move_by_pieces_ninsns): Declare.
12054         * expr.c (move_by_pieces_ninsns): Make external.
12055         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
12056         (mips_store_by_pieces_p): Likewise.
12057         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
12058         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
12059         * config/mips/mips.c (mips_move_by_pieces_p): New function.
12060         (mips_store_by_pieces_p): Likewise.
12062 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
12064         * passes.c (register_one_dump_file): Free full_name.
12066         * reload1.c (reload): Don't allocate reg_max_ref_width here.
12067         (calculate_elim_costs_all_insns): Free offsets_at and
12068         offsets_known_at at the end and clear the pointers.
12070 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
12072         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
12073         this option introduced in r180739.
12075 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
12077         PR target/51345
12078         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
12079         (tmake_file target=avr): Add avr/t-multilib.
12081         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
12082         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
12083         * config/avr/genmultilib.awk: New file.
12084         * config/avr/t-multilib: New auto-generated file.
12085         * config/avr/multilib.h: New auto-generated file.
12086         * config/avr/t-avr (AVR_MCUS): New variable.
12087         (genopt.sh): Use it.
12088         (s-mlib): Depend on t-multilib.
12089         (t-multilib, multilib.h): New dependencies.
12090         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
12091         (MULTILIB_OPTIONS): Remove.
12092         (MULTILIB_MATCHES): Remove.
12093         (MULTILIB_DIRNAMES): Remove.
12094         (MULTILIB_EXCEPTIONS): Remove:
12095         * config/avr/genopt.sh: Don't use hard coded file name;
12096         pass AVR_MCUS from t-avr instead.
12098 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
12100         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
12102 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
12104         Implement light-weight DImode support.
12105         * config/avr/avr-dimode.md: New file.
12106         * config/avr/avr.md: Include it.
12107         (adjust_len): Add plus64, compare64.
12108         (HIDI): Remove code iterator.
12109         (code_stdname): New code attribute.
12110         (rotx, rotsmode): Remove DI.
12111         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
12112         as code iterator.
12113         * config/avr/avr-protos.h (avr_have_dimode): New.
12114         (avr_out_plus64, avr_out_compare64): New.
12115         * config/avr/avr.c (avr_out_compare): Handle DImode.
12116         (avr_have_dimode): New variable definition and initialization.
12117         (avr_out_compare64, avr_out_plus64): New functions.
12118         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
12119         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
12120         (avr_compare_pattern): Skip DImode comparisons.
12122 2012-01-02  Revital Eres  <revital.eres@linaro.org>
12124         * ddg.c (def_has_ccmode_p): New function.
12125         (add_cross_iteration_register_deps,
12126         create_ddg_dep_from_intra_loop_link): Call it.
12128 2012-01-02  Richard Guenther  <rguenther@suse.de>
12130         PR other/51679
12131         * invoke.texi (fassociative-math): Remove spurious paranthesis.
12133 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
12135         * gcc.c (process_command): Update copyright notice dates.
12136         * gcov.c (print_version): Likewise.
12137         * gcov-dump.c (print_version): Likewise.
12138         * mips-tfile.c (main): Likewise.
12139         * mips-tdump.c (main): Likewise.
12141 2012-01-01  Ira Rosen  <irar@il.ibm.com>
12143         PR tree-optimization/51704
12144         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
12145         a use is inside the basic block or loop before accessing its vect info.
12147 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
12149         PR rtl-optimization/51069
12150         * cfgloopmanip.c (remove_path): Removing path making irreducible
12151         region unconditional makes BB part of the region.
12153 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
12155         PR tree-optimization/51683
12156         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
12157         calls with side-effects.
12158         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
12160 Copyright (C) 2012 Free Software Foundation, Inc.
12162 Copying and distribution of this file, with or without modification,
12163 are permitted in any medium without royalty provided the copyright
12164 notice and this notice are preserved.