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1 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2
3         PR tree-optimization/52318
4         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
5         vdef also to non-pure/const call stmts in the sequence.
6
7 2012-02-20  David S. Miller  <davem@davemloft.net>
8
9         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
10         don't use the "rd %pc" instruction on v9 for PIC register loads.
11
12 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
13
14         PR middle-end/52141
15         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
16         in a transaction safe function.
17
18 2012-02-20  Kai Tietz  <ktietz@redhat.com>
19
20         PR target/52238
21         * stor-layout.c (place_field): Handle desired_align for
22         ms-bitfields, too.
23
24 2012-02-20  Richard Guenther  <rguenther@suse.de>
25
26         PR tree-optimization/52298
27         * tree-vect-stmts.c (vectorizable_store): Properly use
28         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
29         outer loops.
30         (vectorizable_load): Likewise.
31         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
32         Access DR_STEP after ensuring it is not NULL.
33
34 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
35
36         PR tree-optimization/52286
37         * fold-const.c (fold_binary_loc): For (X & C1) | C2
38         optimization use double_int_to_tree instead of build_int_cst_wide,
39         rewrite to use double_int vars.
40
41 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
42
43         PR target/50166
44         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
45         Define _start.
46         Remove -e 0 from $gcc_cv_ld invocation.
47         Only use __GLIBC_PREREQ if defined.
48         Enable on Solaris since Solaris 8 patch.
49         (gcc_SUN_LD_VERSION): New macro.
50         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
51         gcc_SUN_LD_VERSION for version number format.
52         * configure: Regenerate.
53         * varasm.c (get_elf_initfini_array_priority_section): Set
54         SECTION_NOTYPE for non-default priority.
55         Use get_section instead of get_unnamed_section to emit
56         .init_array/.fini_array with default priority.
57
58 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
59
60         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
61         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
62         (mips_start_unique_function, mips_output_mips16_rdhwr)
63         (mips_code_end): New functions.
64         (TARGET_ASM_CODE_END): Define.
65
66 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
67
68         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
69         to stubs with non-sibling calls.
70
71 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
72
73         * doc/invoke.texi (-fira-* options): Copy-edit.
74         (ira-* parameters): Copy-edit.
75
76 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
77
78         * doc/invoke.texi: Minor copy-edits to bring into conformance with
79         GCC coding conventions.
80
81 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
82
83         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
84         when used as adjectives.
85
86 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
87
88         * doc/invoke.texi: Clean up "that"/"which" confusion.
89
90 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
91
92         * system.h: Poison SMALL_REGISTER_CLASSES
93         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
94         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
95
96 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
97
98         PR tree-optimization/52285
99         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
100         when deciding if a call is a tail call or tail recursion.
101
102 2012-02-16  Kai Tietz  <ktietz@redhat.com>
103
104         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
105         interger-constant displacement for UNSPEC_PCREL.
106
107 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
108
109         PR rtl-optimization/52208
110         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
111         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
112
113         PR tree-optimization/52255
114         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
115         loop->header has virtual PHI, but exit_e->dest doesn't, add
116         virtual PHI to exit_e->dest and adjust all uses after the loop.
117
118         PR debug/52260
119         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
120         children with clone_tree_hash, not after it.
121
122 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
123
124         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
125         extended identifiers.
126
127 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
128
129         PR middle-end/51929
130         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
131         a same_body_alias, also test whether e->callee isn't a former
132         or current clone of the decl this is a same body alias of.
133
134         PR translation/52264
135         * cgraphunit.c (verify_cgraph_node): Fix a typo.
136
137 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
138
139         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
140
141 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
142
143         PR target/52199
144         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
145         force_reg instead of copy_to_reg for better optimization.  Force
146         non-register or memory operands into a register.
147
148 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
149
150         * extend.texi: Reserve upper bits of memory model for future use.
151
152 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
153             Anatoly Sokolov <aesok@post.ru>
154             Eric Weddington <eric.weddington@atmel.com>
155
156         PR target/52261
157         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
158         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
159         Rewrite initializers for .macro.
160         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
161         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
162         atxmega32d4, atxmega32x1.
163         avrxmega4: atxmega64a3, atxmega64d3.
164         avrxmega5: atxmega64a1, atxmega64a1u.
165         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
166         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
167         avrxmega7: atxmega128a1, atxmega128a1u.
168         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
169         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
170         (struct base_arch_s): Rename reserved to xmega_p.
171         Rename reserved2 to have_rampd.
172         (AVR_XMEGA): New define.
173         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
174         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
175         * config/avr/predicates.md (io_address_operand): Take into
176         account SFR offset.
177         (low_io_address_operand): Ditto.
178         (high_io_address_operand): Ditto.
179         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
180         (enabled, movhi_sp_r): Use them.
181         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
182         cpp_define_formatted to built-in define __AVR_ARCH__.
183         (__AVR_XMEGA__): New built-in define.
184         (__AVR_HAVE_RAMPD__): New built-in define.
185         (__AVR_HAVE_RAMPX__): New built-in define.
186         (__AVR_HAVE_RAMPY__): New built-in define.
187         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
188
189         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
190         (avr_option_override): Initialize them.
191         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
192         (avr_init_expanders): Initialize them. No more block several calls.
193         (emit_push_sfr): New static function.
194         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
195         Handle AVR_XMEGA.
196         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
197         (avr_print_operand): Print addreeses as symbols for
198         RAMPX, RAMPY, RAMPD, CCP.
199         (output_movhi): Handle AVR_XMEGA when writing to SP.
200         (avr_out_movhi_mr_r_xmega): New static function.
201         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
202         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
203         __RAMPD__,  __CCP__ as needed.
204
205         * config/avr/multilib.h: Regenerate.
206         * config/avr/t-multilib: Regenerate.
207         * config/avr/avr-tables.opt: Regenerate.
208
209 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
210
211         PR tree-optimization/50561
212         * graphite-flattening.c (lst_project_loop): Do not
213         remove old scattering dimensions after flattening.
214         (lst_do_flatten): Likewise.
215
216 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
217
218         * doc/extend.texi (AVR Built-in Functions): Remove doc for
219         __builtin_avr_map8, __builtin_avr_map16.
220         Document __builtin_avr_insert_bits.
221
222         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
223         (insert_bits): New insn.
224         (adjust_len.map_bits): Rename to insert_bits.
225         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
226         * avr-protos.h (avr_out_map_bits): Remove.
227         (avr_out_insert_bits, avr_has_nibble_0xf): New.
228         * config/avr/constraints.md (Cxf,C0f): New.
229         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
230         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
231         New built-in define __BUILTIN_AVR_INSERT_BITS.
232         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
233         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
234         (avr_move_bits): Rewrite.
235         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
236         functions.
237         (avr_map_op_t): New typedef.
238         (avr_map_op): New static variable.
239         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
240         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
241         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
242         (bdesc_3arg, avr_expand_triop_builtin): New.
243         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
244         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
245         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
246         (avr_map_equal_p, avr_map_sig_p): Remove.
247         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
248         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
249         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
250         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
251         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
252         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
253
254 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
255
256         * config/c6x/c6x.md (reserve_cycles): New attribute.
257         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
258         don't reserve functional units after the branch occurs.
259
260 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
261
262         PR middle-end/52142
263         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
264         functions into non-tm_pure functions.
265
266 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
267
268         PR lto/52178
269         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
270         (iterative_hash_canonical_type): Likewise.
271         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
272         the dead edges.
273
274 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
275
276         * haifa-sched.c (prune_ready_list): Ensure that if there is a
277         sched-group insn, it either remains alone or the entire list is
278         pruned.
279
280 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
281
282         * doc/install.texi (Prerequisites): Fix grammar.
283         (Configuration): Likewise.
284
285 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
286
287         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
288         MPC as part of GCC before describing configuring with --with-gmp etc.
289         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
290         sources are present.
291
292 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
293
294         PR debug/51950
295         * dwarf2out.c (clone_tree_hash): New function.
296         (copy_decls_walk): Use it instead of clone_tree.
297
298 2012-02-14  Richard Guenther  <rguenther@suse.de>
299
300         PR tree-optimization/52244
301         PR tree-optimization/51528
302         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
303         replacements for integral types.
304
305 2012-02-14  Walter Lee  <walt@tilera.com>
306
307         * config.gcc: Handle tilegx and tilepro.
308         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
309         tilegx and tilepro.
310         Add HAVE_AS_TLS check for tilegx and tilepro.
311         * configure: Regenerate.
312         * doc/contrib.texi: Add Mat Hostetter and self.
313         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
314         Document instruction intrinsics and network accessing intrinsics.
315         (TILEPro Built-in Functions): New node.  Document instruction
316         intrinsics and network accessing intrinsics.
317         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
318         (Specific, tilepro-*-linux*): Likewise.
319         * doc/invoke.texi (TILE-Gx Options): New section.
320         (TILEPro Options): New section.
321         * doc/md.texi (TILE-Gx): New section.
322         (TILEPro): New section.
323         * common/config/tilegx/tilegx-common.c: New file.
324         * common/config/tilepro/tilepro-common.c: New file.
325         * config/tilegx/constraints.md: New file.
326         * config/tilegx/linux.h: New file.
327         * config/tilegx/mul-tables.c: New file.
328         * config/tilegx/predicates.md: New file.
329         * config/tilegx/sync.md: New file.
330         * config/tilegx/t-tilegx: New file.
331         * config/tilegx/tilegx-builtins.h: New file.
332         * config/tilegx/tilegx-c.c: New file.
333         * config/tilegx/tilegx-generic.md: New file.
334         * config/tilegx/tilegx-modes.def: New file.
335         * config/tilegx/tilegx-multiply.h: New file.
336         * config/tilegx/tilegx-protos.h: New file.
337         * config/tilegx/tilegx.c: New file.
338         * config/tilegx/tilegx.h: New file.
339         * config/tilegx/tilegx.md: New file.
340         * config/tilegx/tilegx.opt: New file.
341         * config/tilepro/constraints.md: New file.
342         * config/tilepro/gen-mul-tables.cc: New file.
343         * config/tilepro/linux.h: New file.
344         * config/tilepro/mul-tables.c: New file.
345         * config/tilepro/predicates.md: New file.
346         * config/tilepro/t-tilepro: New file.
347         * config/tilepro/tilepro-builtins.h: New file.
348         * config/tilepro/tilepro-c.c: New file.
349         * config/tilepro/tilepro-generic.md: New file.
350         * config/tilepro/tilepro-modes.def: New file.
351         * config/tilepro/tilepro-multiply.h: New file.
352         * config/tilepro/tilepro-protos.h: New file.
353         * config/tilepro/tilepro.c: New file.
354         * config/tilepro/tilepro.h: New file.
355         * config/tilepro/tilepro.md: New file.
356         * config/tilepro/tilepro.opt: New file.
357
358 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
359
360         PR tree-optimization/52210
361         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
362         vect_model_simple_cost with two entry vect_def_type array instead
363         of an address of dt.
364
365 2012-02-14  Richard Guenther  <rguenther@suse.de>
366
367         PR lto/52178
368         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
369         Do not stream DECL_QUALIFIER.
370         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
371         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
372         (find_decls_types_r): Do not walk DECL_QUALIFIER.
373
374 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
375
376         PR c/52181
377         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
378         newdecl.
379
380 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
381
382         PR bootstrap/52172
383         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
384         * cselib.c (cselib_subst_to_values_from_insn): New function.
385         * sched-deps.c (add_insn_mem_dependence,
386         sched_analyze_1, sched_analyze_2): Use it.
387
388 2012-02-13  Jan Hubicka  <jh@suse.cz>
389
390         PR middle-end/52214
391         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
392
393 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
394
395         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
396         (GTM_SELF_SPECS): Define if not already defined.
397         (driver_self_specs): Add GTM_SELF_SPECS.
398         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
399         (GTM_SELF_SPECS): Define.
400         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
401         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
402
403 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
404
405         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
406         away if seen.
407
408         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
409         non-NULL.
410
411         PR middle-end/52230
412         * omp-low.c (expand_omp_for): If a static schedule without
413         chunk size has NULL region->cont, force fd.chunk_size to be
414         integer_zero_node.
415
416 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
417
418         PR c/52190
419         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
420
421 2012-02-13  Richard Guenther  <rguenther@suse.de>
422
423         PR translation/52211
424         * passes.c (enable_disable_pass): Fix typo.
425
426 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
427
428         PR middle-end/52209
429         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
430         XOR for reduce_bit_field if type is unsigned.
431
432 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
433
434         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
435         disallow changes from SFmode to mode with different size in FP regs.
436
437 2012-02-12  Robert Millan  <rmh@gnu.org>
438             Gerald Pfeifer <gerald@pfeifer.com>
439
440         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
441         Tweak comment.
442
443 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
444
445         PR rtl-optimization/52175
446         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
447         to frame-related instructions.
448
449 2012-02-10  Jason Merrill  <jason@redhat.com>
450
451         PR c++/51910
452         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
453         (demangle_new_symbols): Fill it.
454         (scan_linker_output): Walk it.
455         (start_tweaking): Split out from scan_linker_output.
456         (maybe_tweak): Update sym->chosen.
457         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
458
459 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
460
461         PR debug/52132
462         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
463         get_true_reg.
464
465 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
466
467         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
468         having the same mode as previous compare.
469
470 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
471
472         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
473         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
474         (nonlocal_goto_internal): Likewise.
475         (nonlocal_goto): Emit a use and an indirect jump directly.
476
477 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
478
479         PR c/52190
480         * doc/extend.texi : Update comments for __atomic_compare_exchange and
481         __atomic_{is,always}_lock_free.
482
483 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
484
485         PR target/52146
486         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
487         negative constant address for x32.
488
489 2012-02-10  Richard Henderson  <rth@redhat.com>
490
491         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
492         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
493         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
494
495 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
496             Ira Rosen  <irar@il.ibm.com>
497
498         PR tree-optimization/50031
499         * targhooks.c (default_builtin_vectorization_cost): Handle
500         vec_promote_demote.
501         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
502         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
503         all types of reduction and pattern statements.
504         (vect_estimate_min_profitable_iters): Likewise.
505         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
506         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
507         for explicit realigns.
508         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
509         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
510         vec_promote_demote.
511         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
512         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
513         vec_perm for VSX and handle vec_promote_demote.
514
515 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
516
517         PR middle-end/52177
518         * builtins.c (fold_builtin_atomic_always_lock_free,
519         expand_builtin_atomic_always_lock_free,
520         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
521         Return and/or test boolean_true_node/boolean_false_node instead of
522         integer_one_node/integer_zero_node.
523
524 2012-02-10  Jan Hubicka  <jh@suse.cz>
525
526         PR middle-end/48600
527         * predict.c (predict_paths_for_bb): Prevent looping.
528         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
529
530 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
531
532         * config/arm/arm.c (output_move_double): In one case properly
533         count number of instructions that will be emitted.
534
535 2012-02-10  Richard Guenther  <rguenther@suse.de>
536
537         PR translation/52193
538         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
539
540 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
541
542         PR middle-end/52140
543         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
544
545 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
546
547         PR debug/52165
548         * var-tracking.c (emit_note_insn_var_location): If
549         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
550         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
551         non-NOTE_DURING_CALL_P insn.
552
553 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
554
555         PR middle-end/51867
556         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
557
558 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
559
560         PR driver/48524
561         * gcc.c (switch_matches) Support switches with separated form,
562         -D and -U.
563
564 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
565
566         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
567         (SP_ADDR): Ditto.
568         (RAMPZ_ADDR): Ditto.
569         * config/avr/avr.c (avr_addr_t): New typedef.
570         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
571         (avr_init_expanders): Initialize it.
572         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
573         SREG_ADDR.
574         (expand_epilogue): Ditto.
575         (avr_print_operand): Ditto.
576         (avr_file_start): Ditto.
577         (avr_emit_movmemhi): Ditto.
578
579 2012-02-08  Richard Guenther  <rguenther@suse.de>
580
581         PR tree-optimization/46886
582         * tree-flow.h (do_while_loop_p): Declare.
583         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
584         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
585
586 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
587
588         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
589         always succeed for integers larger than a native word.
590
591 2012-02-08  Richard Guenther  <rguenther@suse.de>
592
593         PR rtl-optimization/52170
594         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
595         properly handle integer vector modes.
596
597 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
598
599         PR gcov-profile/52150
600         * coverage.c: Include target.h.
601         (build_var): Call targetm.strip_name_encoding on the assembler name.
602         Change one _ into . or $ if the target allows it.
603         * Makefile.in (coverage.o): Depend on $(TARGET_H).
604
605         PR rtl-optimization/52139
606         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
607         is a BARRIER after emit_insn_after_noloc, move BB_END
608         to the last non-BARRIER insn before it.
609
610 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
611
612         PR middle-end/24306
613         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
614         (mips_gimplify_va_arg_expr): Call it instead of
615         std_gimplify_va_arg_expr.
616
617 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
618
619         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
620         message for -mno-pointers-to-nested-function.
621
622 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
623
624         PR middle-end/51994
625         * expr.c (get_inner_reference): If there is an offset, add a negative
626         bit position to it (if any).
627
628 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
629
630         PR rtl-optimization/52060
631         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
632         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
633         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
634         and/or i0src_copy2 when needed.
635
636 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
637
638         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
639         or LTOPLUGINSONAME if have_c.
640
641         * config/freebsd-spec.h: Add comment about what macros can be defined
642         in this header.
643         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
644         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
645         here instead.
646
647 2012-02-07  Richard Guenther  <rguenther@suse.de>
648
649         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
650         newline in -alias dumps.
651
652 2012-02-07  Kai Tietz  <ktietz@redhat.com>
653             Dave Korn  <dave.korn.cygwin@gmail.com>
654
655         PR target/40068
656         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
657         Take care that typinfo gets dllexport-attribute.
658
659 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
660
661         PR middle-end/52074
662         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
663         if modifier < EXPAND_SUM call force_operand on the result.
664
665 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
666
667         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
668         adding __forwarder_dst__ prefix if a forwarder_section attribute is
669         present.
670         (epiphany_function_type): Replace types for specific interrupts with
671         EPIPHANY_FUNCTION_INTERRUPT.
672         (EPIPHANY_INTERRUPT_P): Update.
673         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
674         New static function.
675         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
676         <disinterrupt>: Affects type identity.
677         (epiphany_handle_interrupt_attribute): Handle variable number of
678         arguments.
679         (epiphany_compute_function_type): Update for new
680         epiphany_function_type definition.
681         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
682         handlers with a longcall forwarder.
683         (epiphany_start_function): Handle multiple interrupt arguments and/or
684         forwarder_section attribute.
685
686         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
687         libgloss.
688
689 2012-02-07  Alan Modra  <amodra@gmail.com>
690
691         PR target/52107
692         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
693         subregs of TFmode.
694
695 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
696
697         PR tree-optimization/50969
698         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
699         use vec_perm rather than vector_stmt.
700         (vect_model_load_cost): Likewise.
701         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
702         vec_perm to be the same as other vector statements.
703         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
704         cost of vec_perm for TARGET_VSX.
705
706 2012-02-06  Richard Guenther  <rguenther@suse.de>
707
708         PR tree-optimization/52115
709         * tree-sra.c (access_has_replacements_p): New function.
710         (sra_modify_assign): Use it to decide whether a use is uninitialized.
711
712 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
713
714         PR middle-end/52047
715         * trans-mem.c (expand_call_tm): Add an assertion.
716         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
717         functions.
718
719 2012-02-06  Richard Guenther  <rguenther@suse.de>
720
721         PR tree-optimization/50955
722         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
723         raise cost of expressions that replace an address with an
724         expression based on a different pointer.
725
726 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
727
728         PR target/52129
729         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
730         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
731
732 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
733
734         PR c++/48680
735         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
736         -Weffc++ and specify guidelines come from second edition.
737
738 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
739
740         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
741         (sibcall_value_multiple_internal, call_split, call_internal_direct)
742         (call_direct_split, call_value_split, call_value_internal_direct)
743         (call_value_direct_split, call_value_multiple_split): Use jal and
744         jal_macro attributes.
745
746 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
747
748         * reload1.c (reload_regs_reach_end_p): Replace with...
749         (reload_reg_rtx_reaches_end_p): ...this function.
750         (new_spill_reg_store): Update commentary.
751         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
752         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
753         before setting new_spill_reg_store.
754         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
755         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
756         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
757         for non-spill reload registers.
758
759 2012-02-05  Ira Rosen  <irar@il.ibm.com>
760
761         PR tree-optimization/52091
762         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
763         (vect_is_simple_use_1): Likewise.
764         * tree-vect-loop.c (vectorizable_reduction): Update calls
765         to vect_is_simple_use_1 and vect_is_simple_use.
766         (vectorizable_live_operation): Likewise.
767         * tree-vect-patterns.c (widened_name_p,
768         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
769         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
770         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
771         vectorizable_shift,vectorizable_operation, vectorizable_store,
772         vectorizable_load): Likewise.
773         (vect_is_simple_cond): Add an argument, pass it to
774         vect_is_simple_use_1.
775         (vectorizable_condition): Update calls to vect_is_simple_cond,
776         vect_is_simple_use.
777         (vect_is_simple_use): Add an argument, the statement in which
778         OPERAND is used.  Check that if OPERAND's def stmt is a double
779         reduction phi node, the use is a phi node too.
780         (vect_is_simple_use_1): Add an argument, pass it to
781         vect_is_simple_use.
782         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
783         to vect_is_simple_use.
784
785 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
786
787         PR rtl-optimization/52095
788         * modulo-sched.c (dump_insn_locator): New function.
789         (loop_canon_p, sms_schedule): Use it.
790
791         PR rtl-optimization/52113
792         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
793         even for decomposable shift/zext insns.
794
795 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
796             Zdenek Dvorak  <ook@ucw.cz>
797
798         PR rtl-optimization/52092
799         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
800         on get_iv_value result.
801
802 2012-02-02  Andrew Pinski  <apinski@cavium.com>
803
804         PR middle-end/47982
805         PR middle-end/43967
806         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
807
808 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
809
810         PR middle-end/48071
811         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
812
813 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
814
815         PR rtl-optimization/49800
816         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
817         (sched_finish): Call regstat_free_n_sets_and_refs.
818
819 2012-02-02  Jia Liu  <proljc@gmail.com>
820
821         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
822         than operand 2.
823
824 2012-02-02 Jan Hubicka  <jh@suse.cz>
825            Tom de Vries  <tom@codesourcery.com>
826
827         PR middle-end/51998
828         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
829         * varpool.c (varpool_analyze_pending_decls): Likewise.
830
831 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
832             Jayant R Sonar <jayant.sonar@kpitcummins.com>
833
834         * config.gcc: Add cr16-* support.
835
836         * doc/extend.texi: Document cr16 extensions.
837         * doc/install.texi: Document cr16 install.
838         * doc/invoke.texi: Document cr16 options.
839         * doc/md.texi: Document cr16 constraints.
840
841         * common/config/cr16/cr16-common.c: New file.
842         * config/cr16/cr16.c: New file.
843         * config/cr16/cr16.h: New file.
844         * config/cr16/cr16.md: New file.
845         * config/cr16/cr16.opt: New file.
846         * config/cr16/cr16-protos.h: New file.
847         * config/cr16/predicates.md: New file.
848         * config/cr16/constraints.md: New file.
849         * config/cr16/t-cr16: New file.
850
851 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
852
853         PR target/52086
854         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
855         that operands[2] is either immediate, or q_regs_operand.
856
857         PR tree-optimization/52073
858         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
859         a pattern stmt for pattern uses, ignore uses outside of the loop.
860
861 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
862
863         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
864         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
865         (OUT_AS1, OUT_AS2): Remove.
866
867 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
868
869         PR rtl-optimization/51374
870         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
871         to cross other volatile_refs_p insns.
872
873 2012-02-01  Richard Guenther  <rguenther@suse.de>
874
875         * doc/invoke.texi (fno-inline): Clarify documentation.
876         (finline-small-functions): Likewise.
877         (finline-functions): Likewise.
878         * common.opt (finline): Adjust comment and documentation.
879         (finline-small-functions): Clarify documentation.
880         (finline-functions): Likewise.
881         (finline-functions-called-once): Likewise.
882
883 2012-02-01  Tristan Gingold  <gingold@adacore.com>
884
885         * c-typeck.c (composite_type): Keep mode for pointers.
886
887 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
888
889         * function.h (regno_reg_rtx): Adjust comment.
890         * reginfo.c (init_reg_modes_target): Only use the previous mode
891         if it fits within one register.  Remove MIPS comment.
892
893 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
894
895         PR bootstrap/52058
896         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
897
898 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
899
900         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
901         to srak instruction.
902
903 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
904
905         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
906
907 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
908
909         PR bootstrap/52041
910         PR bootstrap/52039
911         PR target/51974
912         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
913
914 2012-01-31  Richard Guenther  <rguenther@suse.de>
915
916         PR tree-optimization/51528
917         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
918         assigns.
919
920 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
921
922         PR bootstrap/52041
923         PR bootstrap/52039
924         PR target/51974
925         * ree.c (add_removable_extension): Change def_map argument
926         to unsigned *, store in def_map 1 + offset into *insn_list vector
927         instead of pointers into the vector.
928         (find_removable_extensions): Adjust caller.
929
930 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
931
932         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
933         Transform all "* quoted-c-code" to { c-code }.
934         Remove redundant test for "optimize" in combine patterns.
935         Move (include "avr-dimode.md") to end of file.
936
937 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
938
939         PR target/51835
940         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
941         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
942
943 2012-01-30  Richard Guenther  <rguenther@suse.de>
944
945         PR tree-optimization/52028
946         * tree-loop-distribution.c (ldist_gen): Properly update
947         virtual SSA form.
948
949 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
950
951         PR debug/52027
952         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
953         set_cur_line_info_table if not emitting debug info.
954
955         PR tree-optimization/52046
956         * tree-vect-patterns.c (check_bool_pattern): Give up if
957         a comparison could throw.
958
959         PR debug/52048
960         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
961
962 2012-01-30  Richard Guenther  <rguenther@suse.de>
963
964         PR tree-optimization/52045
965         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
966         SSA form if cfgcleanup did anything.
967
968 2012-01-30  Richard Guenther  <rguenther@suse.de>
969
970         PR tree-optimization/52045
971         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
972         before computing final todo.
973
974 2012-01-30  Richard Guenther  <rguenther@suse.de>
975
976         PR tree-optimization/51528
977         * tree-sra.c (sra_modify_assign): Re-factor in preparation
978         for PR51528 fix.
979
980 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
981
982         * df-problems.c (df_kill_notes): Check that the use refers
983         to the note under examination.
984
985 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
986
987         PR target/51920
988         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
989         parameter and use short-lived pseudos.
990         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
991         (sparc_expand_vector_init): Const-ify local variables and adjust
992         calls to above functions.
993
994 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
995
996         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
997
998 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
999
1000         * doc/invoke.texi: Make usage of "compile time" and
1001         "run time"/"runtime" consistent throughout the file.
1002
1003 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1004
1005         * config/alpha/alpha.c (alpha_option_override): Default to
1006         full IEEE compliance mode for Go language.
1007
1008 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1009
1010         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1011         (LINK_SSP_SPEC): Define.
1012
1013 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1014
1015         PR target/51871
1016         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1017         stubs.
1018
1019 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1020
1021         * doc/invoke.texi: Correct hyphenation of "floating point",
1022         "double precision", and related terminology throughout the file.
1023
1024 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1025
1026         PR target/52006
1027         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1028         arm_general_register_operand predicate for operand 2 instead of
1029         register_operand.
1030
1031 2012-01-27  Ian Lance Taylor  <iant@google.com>
1032
1033         PR go/47656
1034         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1035         * builtins.c (expand_builtin_init_trampoline): Add onstack
1036         parameter.  Change caller.
1037         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1038         * tree.c (build_common_builtin_nodes): Declare
1039         __builtin_init_heap_trampoline.
1040
1041 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1042
1043         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1044         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1045         * config/avr/avr.c: Ditto.
1046         (avr_regnames): Remove because unused.
1047         * config/avr/avr.md (*cpse.ne): New peephole.
1048         (*cpse.eq): New peephole from former cpse peepholes.
1049
1050 2012-01-27  Michael Eager  <eager@eagercon.com>
1051
1052         * config/microblaze.c (microblaze_emit_compare): Correct
1053         test after pcmp instruction.
1054
1055 2012-01-27  Richard Guenther  <rguenther@suse.de>
1056
1057         PR tree-optimization/52020
1058         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1059
1060 2012-01-27  Richard Guenther  <rguenther@suse.de>
1061
1062         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1063         function non-const/pure.
1064
1065 2012-01-27  Richard Guenther  <rguenther@suse.de>
1066
1067         PR tree-optimization/50444
1068         * tree-sra.c (build_ref_for_offset): Properly adjust the
1069         MEM_REF type for unaligned accesses.
1070
1071 2012-01-27  Richard Guenther  <rguenther@suse.de>
1072
1073         PR tree-optimization/50444
1074         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1075         (expand_assignment): Use it.  Properly handle misaligned
1076         bases when expanding stores to component references.
1077         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1078         refactor that case.
1079
1080 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1081
1082         PR middle-end/51389
1083         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1084         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1085         * tree-data-ref.c (find_data_references_in_loop): Make static.
1086         (compute_all_dependences): Change return type to bool.  Bail out
1087         for too many datarefs in a loop.  Move the hunk resetting the data
1088         dependences vector from ...
1089         (compute_data_dependences_for_loop): ... here.  Account for
1090         compute_all_dependences returning false.
1091         (compute_data_dependences_for_bb): Likewise.
1092         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1093         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1094
1095 2012-01-27  Richard Guenther  <rguenther@suse.de>
1096
1097         PR middle-end/51959
1098         * expr.c (store_field): Use the alias-set of the scratch memory
1099         for storing to it.
1100
1101 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1102
1103         PR tree-optimization/51990
1104         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1105         WITH_SIZE_EXPR.
1106         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1107
1108 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1109
1110         PR debug/52001
1111         * var-tracking.c (reverse_op): Don't add any reverse operation
1112         if V already has any constant locations.
1113
1114 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1115
1116         * doc/invoke.texi: Correct usage of "command line" (noun)
1117         vs "command-line" (adjective) throughout.
1118
1119 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1120
1121         * doc/invoke.texi (Language Independent Options): Move
1122         -Wcoverage-mismatch blurb from here....
1123         (Warning Options): ...to here.
1124
1125 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1126
1127         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1128         Set rs6000_always_hint to false for 476.
1129
1130 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1131
1132         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1133           system root.
1134         * incpath.c (add_standard_paths): Likewise.
1135
1136 2012-01-27  Richard Henderson  <rth@redhat.com>
1137
1138         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1139         * config/m68k/sync.md (atomic_test_and_set): Rename from
1140         sync_test_and_setqi and adjust the operands.
1141         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1142         and unconditionally enable.
1143
1144 2012-01-27  Richard Henderson  <rth@redhat.com>
1145
1146         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1147         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1148         (ldstub): Rename from ldstubqi.
1149         (ldstub<I24MODE>): Remove.
1150
1151 2012-01-27  Richard Henderson  <rth@redhat.com>
1152
1153         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1154         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1155         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1156         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1157         * doc/tm.texi: Rebuild.
1158
1159 2012-01-27  Richard Henderson  <rth@redhat.com>
1160
1161         * optabs.c (gen_atomic_test_and_set): Remove default.
1162         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1163
1164 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1165
1166         PR rtl-optimization/51978
1167         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1168         (combine_reaching_defs): Likewise.
1169         (struct re_info): Remove.
1170         (add_removable_extension): Remove x and data arguments,
1171         add insn, insn_list and def_map.  Use the arguments directly
1172         instead of using struct re_info.
1173         (find_removable_extensions): Don't call add_removable_extension
1174         through note_stores, instead just call it with single_set
1175         result if non-NULL.
1176         (find_and_remove_re): Pass curr_cand->expr instead of
1177         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1178
1179 2012-01-26  Michael Matz  <matz@suse.de>
1180
1181         PR tree-optimization/46590
1182         * cfgexpand.c: Revert last change (r183305).
1183         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1184         regs.
1185         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1186         checking for emptiness.
1187
1188 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1189
1190         PR middle-end/51895
1191         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1192         non-addressable non-BLKmode base correctly.
1193
1194 2012-01-26  Michael Matz  <matz@suse.de>
1195
1196         PR tree-optimization/48794
1197         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1198         regions referenced from RESX/EH_DISPATCH.
1199
1200 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1201
1202         * config/s390/s390.h: Make BRANCH_COST an option.
1203         * config/s390/s390.opt: New option -mbranch-cost.
1204
1205 2012-01-26  Richard Henderson  <rth@redhat.com>
1206
1207         Revert 2012-01-24 change:
1208         * trans-mem.c (requires_barrier): Do not instrument thread local
1209         variables and emit save/restore for them.
1210
1211 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1212
1213         PR middle-end/51986
1214         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1215         for pat == 0.
1216
1217 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1218
1219         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1220         ASM_OPERANDS.
1221
1222 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1223
1224         PR target/49868
1225         Rename __pgm to __flash.
1226         Rename __pgm1 to __flash1.
1227         Rename __pgm2 to __flash2.
1228         Rename __pgm3 to __flash3.
1229         Rename __pgm4 to __flash4.
1230         Rename __pgm5 to __flash5.
1231         Rename __pgmx to __memx.
1232         * doc/extend.texi (AVR Named Address Spaces)
1233         Rename address space names as indicated above.
1234         * config/avr/avr.c (avr_addrspace): Ditto.
1235
1236         * config/avr/avr-protos.h
1237         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1238         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1239         * config/avr/predicates.md: Ditto.
1240         * config/avr/avr.c Ditto, and
1241         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1242         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1243
1244         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1245         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1246         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1247         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1248         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1249         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1250         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1251         * config/avr/avr.c: Ditto.
1252         * config/avr/avr.md: Ditto.
1253
1254 2012-01-25  Jason Merrill  <jason@redhat.com>
1255
1256         PR c++/51992
1257         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1258
1259 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1260
1261         PR tree-optimization/51987
1262         * tree-data-ref.c (get_references_in_stmt): Handle references in
1263         non-volatile GIMPLE_ASM.
1264
1265 2012-01-25  Richard Guenther  <rguenther@suse.de>
1266
1267         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1268         bases are dereferenced.
1269
1270 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1271
1272         PR rtl-optimization/48374
1273         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1274
1275 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1276
1277         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1278         compute_data_dependences_for_loop returns false.
1279         * tree-parloops.c (loop_parallel_p): Likewise.
1280
1281 2012-01-25  Richard Guenther  <rguenther@suse.de>
1282
1283         * tree.h (get_pointer_alignment_1): Declare.
1284         * builtins.c (get_pointer_alignment_1): New function.
1285         (get_pointer_alignment): Use it.
1286
1287 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1288
1289         PR rtl-optimization/48308
1290         * combine.c (enum undo_kind): Add UNDO_LINKS.
1291         (struct undo): Add member l to other_contents and where.
1292         (do_SUBST_LINK): New.
1293         (SUBST_LINK): New.
1294         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1295         (undo_all): Handle UNDO_LINKS.
1296
1297 2012-01-25  Richard Henderson  <rth@redhat.com>
1298
1299         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1300         mem inputs.
1301
1302 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1303
1304         * optabs.c (gen_atomic_test_and_set): Use each argument.
1305
1306 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1307
1308         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1309         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1310         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1311         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1312         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1313         TARGET_PAIRED_SINGLE_FLOAT.
1314
1315 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1316
1317         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1318         (in_struct, return_val): Remove MEM documentation.
1319         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1320         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1321         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1322         and MEM_SCALAR.
1323         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1324         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1325         * expr.c (store_field): Likewise.
1326         * function.c (assign_stack_temp_for_type): Likewise.
1327         * ifcvt.c (noce_try_cmove_arith): Likewise.
1328         * reload1.c (reload): Likewise.
1329         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1330         (alpha_set_memflags): Likewise.
1331         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1332
1333 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1334
1335         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1336         parameter.
1337         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1338         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1339         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1340         varies parameter.
1341         * cselib.c (cselib_rtx_varies_p): Delete.
1342         (cselib_invalidate_mem): Update call to canon_true_dependence.
1343         * dse.c (record_store, check_mem_read_rtx): Likewise.
1344         (scan_reads_nospill): Likewise.
1345         * cse.c (check_dependence): Likewise.
1346         (cse_rtx_varies_p): Delete.
1347         * expr.c (safe_from_p): Update call to true_dependence.
1348         * ira.c (validate_equiv_mem_from_store): Likewise.
1349         (memref_referenced_p): Likewise.
1350         * postreload-gcse.c (find_mem_conflicts): Likewise.
1351         * sched-deps.c (sched_analyze_2): Likewise.
1352         * store-motion.c (load_kills_store): Likewise.
1353         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1354         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1355         (compute_transp): Update call to canon_true_dependence.
1356
1357 2012-01-25  Richard Henderson  <rth@redhat.com>
1358
1359         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1360         (maybe_emit_atomic_test_and_set): New.
1361         (expand_sync_lock_test_and_set): Use it.
1362         (expand_atomic_test_and_set): Likewise.
1363         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1364         the implementation; clarify implementation defined details.
1365         * doc/md.texi (atomic_test_and_set): Document.
1366
1367 2012-01-25  Richard Henderson  <rth@redhat.com>
1368
1369         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1370
1371 2012-01-25  Richard Henderson  <rth@redhat.com>
1372
1373         PR target/51968
1374         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1375         to effect no-op split.
1376
1377 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1378
1379         PR lto/51698
1380         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1381         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1382         (BT_FN_VOID_PTR_INT_SIZE): New.
1383         (BT_FN_UINT_UINT_VAR): Remove.
1384         (BT_FN_UINT32_UINT32_VAR): New.
1385         (BT_FN_DOUBLE_VPTR): Remove.
1386         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1387
1388         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1389         (_ITM_changeTransactionMode): Same.
1390         (_ITM_memmoveRtWt): Change return type to void.
1391         (_ITM_memcpyRtWt): Same.
1392         (_ITM_memsetW): Same.
1393         (_ITM_RaRD): Change types to double.
1394         (_ITM_RD): Same.
1395         (_ITM_RaWD): Same.
1396         (_ITM_RfWD): Same.
1397
1398         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1399
1400 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1401             Patrick Marlier  <patrick.marlier@gmail.com>
1402
1403         * trans-mem.c (requires_barrier): Do not instrument thread local
1404         variables and emit save/restore for them.
1405
1406 2012-01-24  Jason Merrill  <jason@redhat.com>
1407
1408         PR c++/51812
1409         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1410         output static aliases.
1411
1412 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1413
1414         PR driver/47249
1415         * common.opt (-pie, -shared, pie, shared): Change from Common to
1416         Driver.
1417         * gcc.c (display_help): Display help for -pie and -shared.
1418
1419 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1420
1421         PR target/49868
1422         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1423         Remove note on size/offset limitation.
1424         (AVR Variable Attributes): Add example how to read data located
1425         with progmem.  Refer to named address spaces.
1426         * doc/invoke.texi (AVR Options): Fix typo.
1427
1428 2012-01-24  Richard Guenther  <rguenther@suse.de>
1429
1430         Forward-port to trunk
1431         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1432
1433         PR middle-end/45678
1434         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1435         op0 isn't sufficiently aligned and there is movmisalignM
1436         insn for mode, use it to load op0 into a temporary register.
1437
1438 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1439
1440         PR target/51957
1441         * target.def (const_not_ok_for_debug_p): New hook.
1442         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1443         documentation.
1444         * doc/tm.texi: Regenerated.
1445         * dwarf2out.c (const_ok_for_output_1): If
1446         targetm.const_not_ok_for_debug_p returns true, fail.
1447         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1448         function.
1449         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1450
1451 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1452
1453         PR target/51900
1454         * config/i386/predicates.md (symbolic_operand): Allow
1455         UNSPEC_PCREL as PIC expression for lea.
1456         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1457         * config/i386/i386.c (ix86_delegitimize_address): Handle
1458         UNSPEC_PCREL for none-MEM, too.
1459
1460 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1461
1462         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1463         (ipa_tm_create_version_alias): Same.
1464
1465 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1466
1467         PR libitm/51830
1468         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1469         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1470
1471 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1472             Patrick Marlier  <patrick.marlier@gmail.com>
1473             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1474
1475         PR lto/51916
1476         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1477         simple_object_start_read.
1478
1479 2012-01-23  Richard Guenther  <rguenther@suse.de>
1480
1481
1482         PR tree-optimization/51895
1483         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1484         parameter decomposition into BLKmode components.
1485
1486 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1487
1488         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1489         fake variables for restrict-qualified pointers whose pointed-to type
1490         contains a placeholder.
1491
1492 2012-01-23  Richard Guenther  <rguenther@suse.de>
1493
1494         PR tree-optimization/51949
1495         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1496
1497 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1498
1499         PR rtl-optimization/51933
1500         * ree.c (transform_ifelse): Return true right away if dstreg is
1501         already wider or equal to cand->mode.
1502         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1503         (make_defs_and_copies_lists): Remove defs_list and copies_list
1504         arguments, add state argument, just truncate state->work_list
1505         instead of always allocating and freeing the vector.  Assert that
1506         get_defs succeeds instead of returning 2.  Changed return type to bool.
1507         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1508         have ext_src_mode, see if it has been modified already with the
1509         right kind of extension and has been extended before from the
1510         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1511         just return true.  Remember the original mode in state->modified array.
1512         (combine_reaching_defs): Add state argument.  Don't allocate and
1513         free here def_list, copied_list and vec vectors, instead just
1514         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1515         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1516         Add state variable, clear vectors in it, initialize state.modified
1517         if needed.  Free all the vectors at the end and state.modified too.
1518         Don't skip a candidate if the extension expression has been modified.
1519
1520 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1521
1522         PR target/47096
1523         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1524          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1525         (extra_options) interix.opt -> i386/interix.opt"
1526         (extra_objs):Add winnt-stubs.o
1527         * configure.ac: Add interix to target_os .comm on PE check.
1528         * configure: Regenerate.
1529         * config/interix3.h: Delete and move bits to..
1530         * config/interix.h: Delete and move bits to..
1531         * config/i386/i386-interix3.h: Delete and move bits to..
1532         * config/i386/i386-interix.h: ..here.
1533         (TARGET_CPU_DEFAULT): Remove redefinition.
1534         (TARGET_ASM_CONSTRUCTOR): Undefine.
1535         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1536         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1537         (PTRDIFF_TYPE): Define.
1538         (LONG_DOUBLE_TYPE_SIZE): Define.
1539         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1540         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1541         (TARGET_SECTION_TYPE_FLAGS): Define.
1542         (ASM_DECLARE_FUNCTION_NAME): Define.
1543         (ASM_OUTPUT_EXTERNAL): Define.
1544         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1545         (ASM_OUTPUT_ALIGNED_BSS): Define.
1546         (PCC_BITFIELD_TYPE_MATTERS): Define.
1547         (USE_CONST_SECTION): Define.
1548         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1549         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1550         (SUPPORTS_ONE_ONLY): Remove.
1551         (I386_PE_STRIP_ENCODING): Define.
1552         * config/interix.opt: Delete and move bits to..
1553         * config/i386/interix.opt: ..here. New.
1554         (mpe-aligned-commons): Add.
1555         * config/i386/t-interix: Add copyright header.
1556         (winnt-stubs.o): Add rule.
1557
1558 2012-01-22  Jason Merrill  <jason@redhat.com>
1559
1560         PR c++/51832
1561         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1562         for extra name aliases.
1563
1564 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1565
1566         PR rtl-optimization/51924
1567         * ree.c (combine_set_extension): Improve debugging message.
1568         (combine_reaching_defs): Likewise.
1569         (get_defs): Rename confusingly named variable.
1570         (find_and_remove_re): Skip a candidate if the extension expression has
1571         been modified.
1572
1573 2012-01-21  Robert Millan  <rmh@gnu.org>
1574             Gerald Pfeifer  <gerald@pfeifer.com>
1575
1576         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1577         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1578
1579 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1580
1581         PR tree-optimization/51914
1582         * tree-vect-stmts.c (vectorizable_conversion): For
1583         cvt_type && modifier == WIDEN, put temporary with cvt_type
1584         at the beginning of vec_dsts and set vec_dest to temporary
1585         with vectype_out.
1586
1587 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1588
1589         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1590
1591 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1592
1593         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1594         * config/rs6000/rs6000.c: Likewise.
1595
1596 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR target/51915
1599         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1600         output_move_double on a copy of operands array.
1601
1602 2012-01-20  Cary Coutant  <ccoutant@google.com>
1603             Dodji Seketeli  <dodji@redhat.com>
1604
1605         PR debug/45682
1606         * dwarf2out.c (copy_declaration_context): Return ref to parent
1607         of declaration DIE, if necessary.
1608         (remove_child_or_replace_with_skeleton): Add new parameter; update
1609         caller.  Place skeleton DIE under parent DIE of original declaration.
1610         Move call to copy_declaration_context to here ...
1611         (break_out_comdat_types): ... from here.
1612
1613 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1614
1615         PR rtl-optimization/51856
1616         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1617         flag to reloaded.
1618
1619 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1620
1621         PR target/51819
1622         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1623         hints for neon loads and stores.
1624
1625 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1626
1627         PR target/49868
1628         PR target/50887
1629         * doc/extend.texi (Named Address Spaces): Split into subsections.
1630         (AVR Named Address Spaces): New subsection.
1631         (M32C Named Address Spaces): New subsection.
1632         (RL78 Named Address Spaces): New subsection.
1633         (SPU Named Address Spaces): New subsection.
1634         (Variable Attributes): New anchor "AVR Variable Attributes".
1635         (AVR Variable Attributes): Rewrite and avoid wording
1636         "address space" in this context.
1637         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1638         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1639         (AVR Built-in Macros): New subsubsection therein.
1640         * doc/md.texi (AVR constraints): Remove "C04", "R".
1641
1642 2012-01-20  Richard Guenther  <rguenther@suse.de>
1643
1644         PR tree-optimization/51903
1645         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1646         when removing stmts.
1647
1648 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1649
1650         PR target/50313
1651         * config/arm/arm.c (arm_load_pic_register): Use
1652         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1653         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1654         (arm_pic_static_addr): Likewise.
1655         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1656         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1657         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1658         (pic_load_addr_unified): New.
1659
1660 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1661
1662         PR target/51106
1663         * function.c (instantiate_virtual_regs_in_insn): Use
1664         delete_insn_and_edges when removing a wrong asm insn.
1665
1666 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1667
1668         PR rtl-optimization/40761
1669         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1670         Add new member loop_num.
1671         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1672         (ira_build): Remove the parameter.
1673
1674         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1675         (ira.c): Do not build CFG loops for one region allocation.  Remove
1676         argument from ira_build call.
1677
1678         * ira-build.c (init_loop_tree_node): New function.
1679         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1680         loops are not built.
1681         (more_one_region_p): Check current_loops.
1682         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1683         built.
1684         (add_loop_to_tree): Process loop equal to NULL too.
1685         (form_loop_tree): Separate the case when CFG loops are not built.
1686         Use explicitly number for the root.
1687         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1688         an assertion.
1689         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1690         instead of loop->num.
1691         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1692         (mark_all_loops_for_removal): Ditto.
1693         (remove_unnecessary_regions): Separate the case when CFG loops
1694         are not built.
1695         (ira_build): Remove the parameter.  Use explicit number of regions
1696         when CFG loops are not built.
1697
1698         * ira-color.c (print_loop_title): Separate the case for the root node.
1699         Use loop_num instead of loop->num.
1700         (move_spill_restore): Use loop_num instead of loop->num.
1701
1702         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1703         (change_loop): Ditto.
1704         (change_loop): Use loop_num instead of loop->num.
1705
1706         * ira-lives.c (process_bb_node_lives): Ditto.
1707
1708         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1709
1710         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1711
1712 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1713
1714         PR libmudflap/40778
1715         * tree-mudflap.c (mf_artificial): New function.
1716         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1717         mx_register_decls, mudflap_enqueue_decl): Use it.
1718
1719         PR target/51876
1720         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1721         numbers in the insn pattern.
1722
1723 2012-01-19  Michael Matz  <matz@suse.de>
1724
1725         PR tree-optimization/46590
1726         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1727         use it in remembering which conflicts we already created.
1728         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1729         bitmap.
1730
1731 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1732
1733         PR lto/51280
1734         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1735         (merge_and_complain): Same.
1736
1737 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1738
1739         PR bootstrap/50237
1740         * config/initfini-array.h: Guard content of the header
1741         with #ifdef HAVE_INITFINI_ARRAY.
1742         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1743         Add initfini-array.h to tm_file here.
1744         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1745         * config.gcc: Don't add initfini-array.h to tm_file here.
1746         * configure: Regenerated.
1747
1748 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1749
1750         PR rtl-optimization/51505
1751         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1752         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1753         (df_note_bb_compute): Update the call to df_kill_notes.
1754
1755 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1756
1757         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1758
1759 2012-01-18  Richard Guenther  <rguenther@suse.de>
1760
1761         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1762         of conversions to void *.
1763
1764 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1765             Richard Sandiford  <rdsandiford@googlemail.com>
1766
1767         PR middle-end/50325
1768         PR middle-end/51192
1769         * optabs.h (simplify_expand_binop): Declare.
1770         * optabs.c (simplify_expand_binop): Make global.
1771         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1772         endian targets if the source cannot be exactly covered by word
1773         mode chunks.
1774
1775 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1776
1777         PR bootstrap/51872
1778         * hard-reg-set.h (struct hard_reg_set_container): New type.
1779         * target.h (struct hard_reg_set_container): Forward declare.
1780         * target.def (set_up_by_prologue): New target hook.
1781         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1782         * doc/tm.texi: Regenerated.
1783         * function.c (thread_prologue_and_epilogue_insns): Change
1784         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1785         Call targetm.set_up_by_prologue on it.
1786         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1787         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1788
1789 2012-01-17  Nick Clifton  <nickc@redhat.com>
1790
1791         * config/rx/rx.c (rx_can_use_simple_return): New function.
1792         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1793         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1794
1795 2012-01-17  Richard Guenther  <rguenther@suse.de>
1796
1797         PR middle-end/51782
1798         * expr.c (expand_assignment): Take address-space information
1799         from the address operand of MEM_REF and TARGET_MEM_REF.
1800         (expand_expr_real_1): Likewise.
1801
1802 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1803
1804         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1805         reload dump is requested.
1806
1807 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1808
1809         PR other/51165
1810         * trans-mem.c (requires_barrier): Call may_be_aliased.
1811
1812 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1813
1814         PR tree-optimization/51877
1815         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1816         call arguments and fndecls compare equal, instead return false if they
1817         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1818         both SSA_NAMEs that are valueized the same, or they satisfy
1819         operand_equal_p.
1820
1821 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1822
1823         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1824         Solaris 11+.
1825         * configure: Regenerate.
1826
1827 2012-01-16  Jan Hubicka  <jh@suse.cz>
1828
1829         PR c/12245
1830         PR c++/14179
1831         * convert.c (convert_to_integer): Use fold_convert for
1832         converting an INTEGER_CST to integer type.
1833
1834 2012-01-16  Jason Merrill  <jason@redhat.com>
1835
1836         PR c++/14179
1837         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1838
1839 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1840
1841         PR bootstrap/51860
1842         * config/s390/s390.c (s390_chunkify_start): Don't skip
1843         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1844         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1845         If insn is followed by NOTE_INSN_VAR_LOCATION or
1846         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1847         Don't use location of note insns.
1848
1849         PR tree-optimization/51865
1850         * tree-inline.c (tree_function_versioning): Call remap_decl
1851         on DECL_RESULT whenever it has VOID_TYPE_P type.
1852
1853 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1854
1855         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1856         for calls to locally-binding MIPS16 functions if only the return
1857         type uses float regs.
1858
1859 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1860             Richard Sandiford  <rdsandiford@googlemail.com>
1861
1862         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1863         (SYMBOL_32_HIGH): Likewise.
1864         (mips_output_tls_reloc_directive): Declare.
1865         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1866         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1867         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1868         (mips_lo_relocs, mips_hi_relocs): Make extern.
1869         (mips16_stub_function): Move up file.
1870         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1871         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1872         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1873         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1874         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1875         (mips_get_tp): Add MIPS16 support.
1876         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1877         Generalize DTPREL and TPREL handling.
1878         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1879         Add MIPS16 TLS support.
1880         (mips_output_tls_reloc_directive): New function.
1881         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1882         * config/mips/predicates.md (symbolic_operand_with_high)
1883         (tls_reloc_operand): New predicates.
1884         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1885         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1886         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1887         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1888         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1889         (*tls_get_tp_mips16_call_<mode>): Likewise.
1890
1891 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1892
1893         PR rtl-optimization/51821
1894         * recog.c (peep2_find_free_register): Determine clobbered registers
1895         from insn pattern.
1896
1897 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1898
1899         PR target/50925
1900         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1901         * config/avr/avr.c: Likewise.
1902         * config/avr/avr.h: Likewise.
1903
1904 2012-01-13  Ian Lance Taylor  <iant@google.com>
1905
1906         PR c++/50012
1907         * tree.h (TYPE_QUALS): Add cast to int.
1908         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1909
1910 2012-01-13  Ian Lance Taylor  <iant@google.com>
1911
1912         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1913         comparing param_index to VEC_length result.
1914
1915 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1916
1917         * c-decl.c: Do not include tree-mudflap.h
1918         * tree-optimize.c: Likewise.
1919         * Makefile.in: Update dependencies.
1920
1921 2012-01-13  Richard Guenther  <rguenther@suse.de>
1922
1923         PR middle-end/8081
1924         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1925         variable-sized result always use RSO.
1926
1927 2012-01-12  DJ Delorie  <dj@redhat.com>
1928
1929         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1930         pointer type, not just the default pointer type.
1931
1932 2012-01-09  Richard Henderson  <rth@redhat.com>
1933             Denis Chertykov  <chertykov@gmail.com>
1934
1935         PR target/50925
1936         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1937         * config/avr/avr.c (avr_can_eliminate): Simplify.
1938         (avr_initial_elimination_offset): Likewise.
1939         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1940         (expand_epilogue): Likewise.
1941         (avr_legitimize_address): Gut.
1942         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1943         (avr_hard_regno_nregs): New.
1944         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1945         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1946         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1947         add soft frame pointer.
1948         (CALL_USED_REGISTERS): Likewise.
1949         (REG_CLASS_CONTENTS): Likewise.
1950         (REGISTER_NAMES): Likewise.
1951         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1952         (HARD_FRAME_POINTER_REGNUM): New.
1953         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1954         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1955         remove the HARD_FRAME_POINTER self-elimination.
1956
1957 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1958
1959         PR target/51756
1960         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1961         DECL_EXTERNAL when checking for initializers of progmem variables.
1962
1963 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1964
1965         PR tree-optimization/51799
1966         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1967         that the last operation is a type demotion.
1968
1969 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1970
1971         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1972         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1973
1974 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1975
1976         PR bootstrap/51796
1977         * combine.c (distribute_notes): If i3 is a noreturn call,
1978         allow old_size to be equal to args_size and make sure the
1979         noreturn call gets REG_ARGS_SIZE note.
1980         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1981         on noreturn calls even when the delta is 0.
1982
1983 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1984
1985         * gcov.c (STRING_SIZE): Remove.
1986         (generate_results): Erase annotations for source files with no
1987         coverage information.
1988         (read_line): New.
1989         (output_lines): Use it.
1990
1991 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1992
1993         * gimple.h (gimplify_body): Remove first argument.
1994         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1995         pointer set here, instead just pass DATA to walk_tree.
1996         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1997         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1998         (unvisit_body): Likewise, but with unmark_visited.
1999         (gimplify_body): Remove BODY_P argument and adjust.
2000         (gimplify_function_tree): Adjust call to gimplify_body.
2001         * omp-low.c (finalize_task_copyfn): Likewise.
2002
2003 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2004
2005         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2006         (build_function_type_skip_args): Delete.
2007         * tree.c (build_function_type_skip_args): Make static and add
2008         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2009         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2010         pass it to build_function_type_skip_args.
2011         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2012         (tree_function_versioning): Likewise.
2013         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2014         build_function_decl_skip_args.
2015         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2016         and pass it to build_function_decl_skip_args/tree_function_versioning.
2017         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2018         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2019         * trans-mem.c (ipa_tm_create_version): Likewise.
2020         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2021         * tree-inline.c (declare_return_variable): Remove always-true test.
2022         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2023         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2024         * ipa-split.c (split_function): Skip the return value for the split
2025         part if it doesn't return.
2026
2027 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2028
2029         PR tree-optimization/49642
2030         * ipa-split.c (forbidden_dominators): New variable.
2031         (check_forbidden_calls): New function.
2032         (dominated_by_forbidden): Likewise.
2033         (consider_split): Check for forbidden dominators.
2034         (execute_split_functions): Initialize and free forbidden
2035         dominators info; call check_forbidden_calls.
2036
2037 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2038
2039         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2040
2041 2012-01-11  Nick Clifton  <nickc@redhat.com>
2042
2043         * config/rx/rx.md (return): Define pattern.
2044
2045 2012-01-11  Richard Guenther  <rguenther@suse.de>
2046
2047         * doc/extend.texi (malloc attribute): Adjust according to
2048         implementation.
2049
2050 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2051             Patrick Marlier  <patrick.marlier@gmail.com>
2052
2053         PR middle-end/51516
2054         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2055         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2056         (ipa_tm_note_irrevocable): Same.
2057         (ipa_tm_scan_irr_block): Same.
2058         (ipa_tm_decrement_clone_counts): Same.
2059         (ipa_tm_scan_irr_function): Same.
2060         (ipa_tm_create_version_alias): Same.
2061         (ipa_tm_create_version): Same.
2062         (ipa_tm_transform_calls_redirect): Same.
2063         (ipa_tm_transform_calls): Same.
2064         (ipa_tm_transform_transaction): Same.
2065         (ipa_tm_execute): Same.
2066
2067 2012-01-10  Richard Guenther  <rguenther@suse.de>
2068
2069         PR middle-end/51806
2070         * opts.c (common_handle_option): Handle -Werror.
2071
2072 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2073
2074         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2075         operand number.
2076
2077 2012-01-10  Jason Merrill  <jason@redhat.com>
2078
2079         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2080         information.
2081
2082 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2083
2084         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2085         supports R_386_TLS_GD_PLT reloc.
2086         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2087         supports R_386_TLS_LDM_PLT reloc.
2088         * configure: Regenerate.
2089         * config.in: Regenerate.
2090
2091 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2092
2093         PR target/49868
2094         Extend __pgmx semantics to linearize memory.
2095         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2096         determine if code comes inline or from libgcc.
2097         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2098         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2099         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2100         (movmemx_qi, movmemx_hi): New insns.
2101         (xload_<mode>_libgcc): Rewrite to new insn condition.
2102         (xload_<mode>): Remove insns.
2103         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2104         cases that don't satisfy avr_xload_libgcc_p().
2105         (avr_addr_space_convert): Allow converting in any direction.
2106         (avr_addr_space_subset_p): Return always true.
2107         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2108         (avr_emit_movmemhi): Ditto.
2109         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2110         (avr_out_movmem): Ditto.
2111         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2112         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2113         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2114         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2115         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2116
2117 2012-01-10  Richard Guenther  <rguenther@suse.de>
2118
2119         PR tree-optimization/50913
2120         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2121         Require data-refs to be representable by Graphite with respect
2122         to any loop nest.
2123
2124 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2125
2126         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2127         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2128
2129 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2130
2131         PR rtl-optimization/51271
2132         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2133         handling annulled branch.
2134
2135 2012-01-10  Richard Henderson  <rth@redhat.com>
2136
2137         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2138         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2139         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2140         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2141         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2142         arm_expand_vec_perm_const): New.
2143         * config/arm/arm-protos.h: Update.
2144         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2145         (*neon_vswp<VDQX>): New.
2146         (neon_vcombine<VDX>): Use neon_split_vcombine.
2147         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2148         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2149         (vec_perm<VE>): New.
2150
2151 2012-01-10  Richard Henderson  <rth@redhat.com>
2152
2153         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2154         use it if reload_completed.
2155         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2156         arm_output_asm_insn, arm_process_output_memory_barrier,
2157         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2158         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2159         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2160         arm_process_output_sync_insn, arm_output_sync_insn,
2161         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2162         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2163         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2164         (emit_unlikely_jump): New.
2165         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2166         (arm_split_atomic_op): New.
2167         * config/arm/arm-protos.h: Update.
2168         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2169         (struct arm_sync_generator): Remove.
2170         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2171         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2172         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2173         (VUNSPEC_LL, VUNSPEC_SC): New.
2174         (sync_result, sync_memory, sync_required_value, sync_new_value,
2175         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2176         (attr length): Don't use arm_sync_loop_insns.
2177         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2178         (movsfcc, movdfcc): Likewise.
2179         * config/arm/constraints.md (Ua): New.
2180         * config/arm/prediates.md (mem_noofs_operand): New.
2181         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2182         (sync_clobber, sync_t2_reqd): Remove.
2183         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2184         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2185         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2186         (arm_sync_compare_and_swap<SIDI>): Remove.
2187         (arm_sync_compare_and_swap<NARROW>): Remove.
2188         (arm_sync_lock_test_and_set<SIDI>): Remove.
2189         (arm_sync_lock_test_and_set<NARROW>): Remove.
2190         (arm_sync_new_<syncop><SIDI>): Remove.
2191         (arm_sync_new_<syncop><NARROW>): Remove.
2192         (arm_sync_new_nand<SIDI>): Remove.
2193         (arm_sync_new_nand<NARROW>): Remove.
2194         (arm_sync_old_<syncop><SIDI>): Remove.
2195         (arm_sync_old_<syncop><NARROW>): Remove.
2196         (arm_sync_old_nand<SIDI>): Remove.
2197         (arm_sync_old_nand<NARROW>): Remove.
2198         (*memory_barrier): Merge arm_output_memory_barrier.
2199         (atomic_compare_and_swap<QHSD>): New.
2200         (atomic_compare_and_swap<NARROW>_1): New.
2201         (atomic_compare_and_swap<SIDI>_1): New.
2202         (atomic_exchange<QHSD>): New.
2203         (cas_cmp_operand, cas_cmp_str): New.
2204         (atomic_op_operand, atomic_op_str): New.
2205         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2206         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2207         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2208         (arm_load_exclusive<NARROW>): New.
2209         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2210         (arm_store_exclusive<QHSD>): New.
2211
2212 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2213
2214         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2215         reload patterns if -mvsx-scalar-memory.
2216
2217         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2218         generated, even -mno-vsx-scalar-double was used.
2219         (vsx_xscvdpsp_scalar): Likewise.
2220         (vsx_xscvspdp_scalar2): Likewise.
2221
2222 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2223             Andrew Pinski  <apinski@cavium.com>
2224
2225         PR debug/51471
2226         * reorg.c (fill_slots_from_thread): Don't speculate
2227         frame-related insns.
2228
2229 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2230
2231         * sched-int.h (bb_note): Move to...
2232         * basic-block.h: ...here.
2233         * haifa-sched.c (bb_note): Move to...
2234         * cfgrtl.c: ...here.
2235         * function.c (next_block_for_reg): New function.
2236         (move_insn_for_shrink_wrap): Likewise.
2237         (prepare_shrink_wrap): Rewrite to use the above.
2238
2239 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2240
2241         * gimple.c (is_gimple_non_addressable): Remove.
2242         * gimple.h: Remove is_gimple_non_addressable.
2243         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2244         is_gimple_non_addressable.
2245         * trans-mem.c (expand_assign_tm): Same.
2246
2247 2012-01-09  Richard Guenther  <rguenther@suse.de>
2248
2249         PR tree-optimization/51775
2250         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2251         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2252
2253 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2254
2255         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2256         tuning parameters.
2257         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2258
2259 2012-01-09  Richard Guenther  <rguenther@suse.de>
2260
2261         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2262
2263 2012-01-08  Jan Hubicka  <jh@suse.cz>
2264
2265         PR tree-optimize/51680
2266         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2267         on when known_vals needs to be computed; cleanup.
2268
2269 2012-01-08  Jan Hubicka  <jh@suse.cz>
2270
2271         PR tree-optimize/51694
2272         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2273
2274 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2275
2276         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2277         for -std=c++98 and -std=c++11 too.
2278
2279 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2280
2281         * cfgloop.c (cancel_loop): Add free() of bbs array.
2282
2283 2012-01-07  Jan Hubicka  <jh@suse.cz>
2284
2285         PR tree-optimization/51600
2286         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2287         that benefits small functions.
2288
2289 2012-01-07  Jan Hubicka  <jh@suse.cz>
2290
2291         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2292
2293 2012-01-07  Jan Hubicka  <jh@suse.cz>
2294
2295         PR tree-optimization/51680
2296         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2297         whose inlining reduce unit size.
2298
2299 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2300
2301         PR bootstrap/51725
2302         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2303         Add canonical node to containing_mem chain after the non-canonical
2304         one, even if there weren't any locs to propagate.
2305         (remove_useless_values): Keep only canonical values.
2306         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2307         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2308         canonicalize mem_chain elements that are not discarded.
2309
2310 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2311
2312         PR target/47333
2313         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2314         before emitting functions.
2315
2316         PR gcov-profile/50127
2317         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2318         clear_aux_for_blocks.
2319
2320 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2321
2322         PR debug/51746
2323         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2324
2325 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2326
2327         * c-decl.c (ext_block): Moved up.
2328         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2329
2330 2012-01-06  Han Shen  <shenhan@google.com>
2331
2332         Translate built-in include paths for sysroot.
2333         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2334         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2335
2336         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2337         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2338
2339         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2340         control whether sysroot should be prepended to gxx include dir.
2341
2342         * configure: Regenerate.
2343
2344 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2345
2346         PR rtl-optimization/51771
2347         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2348         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2349
2350 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2351
2352         PR tree-optimization/51315
2353         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2354         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2355
2356 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2357
2358         PR target/51681
2359         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2360         for shrp pattern.  Correctly handle and fixup shift variable.
2361         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2362
2363 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR debug/51762
2366         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2367         note when !ACCUMULATE_OUTGOING_ARGS.
2368
2369 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2370
2371         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2372         condition.
2373         (extract_range_from_unary_expr_1): Avoid useless computations.
2374
2375 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2376
2377         PR rtl-optimization/51767
2378         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2379         of jump_block and add an extra edge for degenerated asm gotos.
2380
2381         PR middle-end/51768
2382         * stmt.c (check_unique_operand_names): Don't ICE during error
2383         reporting if i is from labels chain.
2384
2385         PR middle-end/44777
2386         * profile.c (branch_prob): Split bbs that have exit edge
2387         and need a fake entry edge too.
2388
2389 2012-01-05  Jan Hubicka  <jh@suse.cz>
2390
2391         PR middle-end/49710
2392         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2393         unlooping loops.
2394
2395 2012-01-05  Richard Guenther  <rguenther@suse.de>
2396
2397         PR lto/50490
2398         * tree-streamer-out.c (write_ts_optimization): New function.
2399         (streamer_write_tree_body): Call it.
2400         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2401         (streamer_read_tree_body): Call it.
2402         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2403
2404 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2405
2406         PR middle-end/51761
2407         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2408         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2409         in_cleanup_point_expr before gimplify_stmt call and restore it
2410         afterwards.
2411         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2412         in_cleanup_point_expr is false.
2413
2414 2012-01-05  Richard Guenther  <rguenther@suse.de>
2415
2416         PR middle-end/51764
2417         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2418         to c.opt.
2419         * toplev.c (process_options): Reject combining mudflap and LTO.
2420         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2421
2422 2012-01-05  Richard Guenther  <rguenther@suse.de>
2423
2424         PR tree-optimization/51760
2425         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2426         not VARYING.
2427         (bit_value_unop): Handle UNDEFINED operands.
2428         (bit_value_binop): Likewise.
2429
2430 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2431
2432         * config/avr/avr.c (avr_replace_prefix): Remove.
2433         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2434         (avr_asm_function_rodata_section): Ditto.
2435         (avr_asm_select_section): Ditto.
2436
2437 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2438
2439         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2440         insertion.
2441
2442 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2443
2444         PR bootstrap/51648
2445         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2446         calls that have any non-fake successor edges.
2447
2448         PR debug/51746
2449         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2450
2451 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2452
2453         PR tree-optimization/51624
2454         * tree-sra.c (build_ref_for_model): When replicating a chain of
2455         COMPONENT_REFs, stop as soon as the offset would become negative.
2456
2457 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2458
2459         PR debug/51695
2460         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2461         in .debug_loc on the floor.
2462
2463 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2464
2465         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2466
2467 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2468             Adam Nemet  <anemet@caviumnetworks.com>
2469
2470         * config/mips/mips.md (size): Add SI and DI.
2471         (SIZE): New mode attribute.
2472         (U): New code attribute.
2473         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2474         (mips_lbux_<mode>): Delete.
2475         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2476         (mips_lhx): Use gen_mips_lhx_extsi.
2477         (mips_lhx_<mode>): Delete.
2478         (mips_lwx): Delete.
2479         (mips_l<size>x): New expand.
2480         (mips_lwx_<mode>): Delete.
2481         (mips_l<GPR:size>x_<P:mode>): New pattern.
2482         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2483         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2484         * config/mips/mips.c (mips_lx_address_p): New function.
2485         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2486         (dsp64): New availability predicate.
2487         (mips_builtins): Add an entry for __builtin_mips_ldx.
2488         * config/mips/mips.h (ISA_HAS_LBX): New define.
2489         (ISA_HAS_LBUX): Likewise.
2490         (ISA_HAS_LHX): Likewise.
2491         (ISA_HAS_LHUX): Likewise.
2492         (ISA_HAS_LWX): Likewise.
2493         (ISA_HAS_LWUX): Likewise.
2494         (ISA_HAS_LDX): Likewise.
2495         * doc/extend.texi (__builtin_mips_ldx): Document.
2496
2497 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2498
2499         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2500         when long pointers are used.
2501         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2502         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2503         (ia64-hp-*vms*): Remove.
2504         * config/vms/xm-vms64.h: Delete.
2505
2506 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2507
2508         PR middle-end/51472
2509         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2510
2511 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2512
2513         * opts.c (finish_options): Remove duplicate sorry.
2514
2515 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2516
2517         PR middle-end/51696
2518         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2519         correctly.
2520
2521 2012-01-04  Richard Guenther  <rguenther@suse.de>
2522
2523         PR middle-end/51750
2524         * tree.c (size_low_cst): New function.
2525         * tree.h (size_low_cst): Declare.
2526         * fold-const.c (fold_comparison): Use it to extract the low
2527         part of the POINTER_PLUS_EXPR offset.
2528
2529 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2530
2531         Fix clearing ZERO_REG
2532         * config/avr/avr.md (cc): Add alternative "ldi".
2533         (movqi_insn): Use it in cc attribute.
2534         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2535         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2536         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2537
2538 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2539
2540         * configure: Regenerate.
2541
2542 2012-01-04  Richard Guenther  <rguenther@suse.de>
2543
2544         PR tree-optimization/49651
2545         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2546         (var_can_have_subvars): Use it.
2547         (get_constraint_for_1): Only consider subfields if there can be any.
2548
2549 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2550
2551         PR bootstrap/51725
2552         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2553         to its new canonical_cselib_val and the cselib_val was in
2554         first_containing_mem chain, but the canonical_cselib_val was not,
2555         add the latter into the chain.
2556         (cselib_invalidate_mem): Compare canonical_cselib_val of
2557         addr_list chain elt with v.
2558
2559         PR pch/51722
2560         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2561         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2562         of xstrdup.
2563         (output_macinfo_op): Don't ggc_strdup fd->filename.
2564         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2565         then ggc_strdup it.  Don't free inc->info or cur->info.
2566         (output_macinfo): Don't free ref->info or file->info.
2567
2568 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2569
2570         PR tree-optimization/51269
2571         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2572         first_niters a pointer.
2573         (slpeel_tree_peel_loop_to_edge): Likewise.
2574         (vect_do_peeling_for_loop_bound): Update call to
2575         slpeel_tree_peel_loop_to_edge.
2576         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2577         here.  Remove it from the parameters list.
2578         (vect_do_peeling_for_alignment): Update calls and compute
2579         wide_prolog_niters.
2580
2581 2012-01-03  Richard Guenther  <rguenther@suse.de>
2582
2583         PR tree-optimization/51070
2584         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2585         Properly handle calls.
2586
2587 2012-01-03  Richard Guenther  <rguenther@suse.de>
2588
2589         PR tree-optimization/51692
2590         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2591         the LHS of allocation stmts.
2592
2593 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2594
2595         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2596
2597 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2598
2599         * collect2.c (main): In AIX specific computations for vector
2600         insertions, use CONST_CAST2 to cast from char ** to const char **.
2601
2602 2012-01-03  Richard Guenther  <rguenther@suse.de>
2603
2604         PR debug/51650
2605         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2606         the context of a limbo DIE when it does not already exist.
2607
2608 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2609
2610         PR tree-optimization/51719
2611         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2612         but direct call is, clear direct call's lhs and don't add fallthrough
2613         edge from dcall_bb to join_bb and PHIs.
2614
2615 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2616
2617         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2618         the instructions emitted by the pattern.
2619         ("*TDC_insn_<mode>"): Add comment.
2620
2621 2012-01-03  Richard Guenther  <rguenther@suse.de>
2622
2623         PR middle-end/51730
2624         * fold-const.c (fold_comparison): Properly canonicalize
2625         tree offset and HOST_WIDE_INT bit position.
2626
2627 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2628
2629         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2630         operands for extzv pattern.
2631
2632 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2633
2634         PR bootstrap/51725
2635         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2636         on mem_elt first.
2637
2638 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2639
2640         * doc/invoke.texi (-flto and related options): Copy-edit.
2641
2642 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2643
2644         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2645
2646 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2647
2648         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2649         New patterns.
2650
2651 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2652
2653         * expr.h (move_by_pieces_ninsns): Declare.
2654         * expr.c (move_by_pieces_ninsns): Make external.
2655         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2656         (mips_store_by_pieces_p): Likewise.
2657         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2658         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2659         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2660         (mips_store_by_pieces_p): Likewise.
2661
2662 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2663
2664         * passes.c (register_one_dump_file): Free full_name.
2665
2666         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2667         (calculate_elim_costs_all_insns): Free offsets_at and
2668         offsets_known_at at the end and clear the pointers.
2669
2670 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2671
2672         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2673         this option introduced in r180739.
2674
2675 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2676
2677         PR target/51345
2678         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2679         (tmake_file target=avr): Add avr/t-multilib.
2680
2681         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2682         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2683         * config/avr/genmultilib.awk: New file.
2684         * config/avr/t-multilib: New auto-generated file.
2685         * config/avr/multilib.h: New auto-generated file.
2686         * config/avr/t-avr (AVR_MCUS): New variable.
2687         (genopt.sh): Use it.
2688         (s-mlib): Depend on t-multilib.
2689         (t-multilib, multilib.h): New dependencies.
2690         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2691         (MULTILIB_OPTIONS): Remove.
2692         (MULTILIB_MATCHES): Remove.
2693         (MULTILIB_DIRNAMES): Remove.
2694         (MULTILIB_EXCEPTIONS): Remove:
2695         * config/avr/genopt.sh: Don't use hard coded file name;
2696         pass AVR_MCUS from t-avr instead.
2697
2698 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2699
2700         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2701
2702 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2703
2704         Implement light-weight DImode support.
2705         * config/avr/avr-dimode.md: New file.
2706         * config/avr/avr.md: Include it.
2707         (adjust_len): Add plus64, compare64.
2708         (HIDI): Remove code iterator.
2709         (code_stdname): New code attribute.
2710         (rotx, rotsmode): Remove DI.
2711         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2712         as code iterator.
2713         * config/avr/avr-protos.h (avr_have_dimode): New.
2714         (avr_out_plus64, avr_out_compare64): New.
2715         * config/avr/avr.c (avr_out_compare): Handle DImode.
2716         (avr_have_dimode): New variable definition and initialization.
2717         (avr_out_compare64, avr_out_plus64): New functions.
2718         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2719         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2720         (avr_compare_pattern): Skip DImode comparisons.
2721
2722 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2723
2724         * ddg.c (def_has_ccmode_p): New function.
2725         (add_cross_iteration_register_deps,
2726         create_ddg_dep_from_intra_loop_link): Call it.
2727
2728 2012-01-02  Richard Guenther  <rguenther@suse.de>
2729
2730         PR other/51679
2731         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2732
2733 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2734
2735         * gcc.c (process_command): Update copyright notice dates.
2736         * gcov.c (print_version): Likewise.
2737         * gcov-dump.c (print_version): Likewise.
2738         * mips-tfile.c (main): Likewise.
2739         * mips-tdump.c (main): Likewise.
2740
2741 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2742
2743         PR tree-optimization/51704
2744         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2745         a use is inside the basic block or loop before accessing its vect info.
2746
2747 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2748
2749         PR rtl-optimization/51069
2750         * cfgloopmanip.c (remove_path): Removing path making irreducible
2751         region unconditional makes BB part of the region.
2752
2753 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2754
2755         PR tree-optimization/51683
2756         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2757         calls with side-effects.
2758         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2759 \f
2760 Copyright (C) 2012 Free Software Foundation, Inc.
2761
2762 Copying and distribution of this file, with or without modification,
2763 are permitted in any medium without royalty provided the copyright
2764 notice and this notice are preserved.