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2012-02-21 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-21  Richard Guenther  <rguenther@suse.de>
2
3         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
4         nested_in_vect_loop.
5
6 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
7
8         PR tree-optimization/52318
9         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
10         vdef also to non-pure/const call stmts in the sequence.
11
12 2012-02-20  David S. Miller  <davem@davemloft.net>
13
14         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
15         don't use the "rd %pc" instruction on v9 for PIC register loads.
16
17 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
18
19         PR middle-end/52141
20         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
21         in a transaction safe function.
22
23 2012-02-20  Kai Tietz  <ktietz@redhat.com>
24
25         PR target/52238
26         * stor-layout.c (place_field): Handle desired_align for
27         ms-bitfields, too.
28
29 2012-02-20  Richard Guenther  <rguenther@suse.de>
30
31         PR tree-optimization/52298
32         * tree-vect-stmts.c (vectorizable_store): Properly use
33         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
34         outer loops.
35         (vectorizable_load): Likewise.
36         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
37         Access DR_STEP after ensuring it is not NULL.
38
39 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
40
41         PR tree-optimization/52286
42         * fold-const.c (fold_binary_loc): For (X & C1) | C2
43         optimization use double_int_to_tree instead of build_int_cst_wide,
44         rewrite to use double_int vars.
45
46 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
47
48         PR target/50166
49         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
50         Define _start.
51         Remove -e 0 from $gcc_cv_ld invocation.
52         Only use __GLIBC_PREREQ if defined.
53         Enable on Solaris since Solaris 8 patch.
54         (gcc_SUN_LD_VERSION): New macro.
55         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
56         gcc_SUN_LD_VERSION for version number format.
57         * configure: Regenerate.
58         * varasm.c (get_elf_initfini_array_priority_section): Set
59         SECTION_NOTYPE for non-default priority.
60         Use get_section instead of get_unnamed_section to emit
61         .init_array/.fini_array with default priority.
62
63 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
64
65         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
66         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
67         (mips_start_unique_function, mips_output_mips16_rdhwr)
68         (mips_code_end): New functions.
69         (TARGET_ASM_CODE_END): Define.
70
71 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
72
73         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
74         to stubs with non-sibling calls.
75
76 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
77
78         * doc/invoke.texi (-fira-* options): Copy-edit.
79         (ira-* parameters): Copy-edit.
80
81 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
82
83         * doc/invoke.texi: Minor copy-edits to bring into conformance with
84         GCC coding conventions.
85
86 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
87
88         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
89         when used as adjectives.
90
91 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
92
93         * doc/invoke.texi: Clean up "that"/"which" confusion.
94
95 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
96
97         * system.h: Poison SMALL_REGISTER_CLASSES
98         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
99         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
100
101 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
102
103         PR tree-optimization/52285
104         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
105         when deciding if a call is a tail call or tail recursion.
106
107 2012-02-16  Kai Tietz  <ktietz@redhat.com>
108
109         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
110         interger-constant displacement for UNSPEC_PCREL.
111
112 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
113
114         PR rtl-optimization/52208
115         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
116         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
117
118         PR tree-optimization/52255
119         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
120         loop->header has virtual PHI, but exit_e->dest doesn't, add
121         virtual PHI to exit_e->dest and adjust all uses after the loop.
122
123         PR debug/52260
124         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
125         children with clone_tree_hash, not after it.
126
127 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
128
129         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
130         extended identifiers.
131
132 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
133
134         PR middle-end/51929
135         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
136         a same_body_alias, also test whether e->callee isn't a former
137         or current clone of the decl this is a same body alias of.
138
139         PR translation/52264
140         * cgraphunit.c (verify_cgraph_node): Fix a typo.
141
142 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
143
144         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
145
146 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
147
148         PR target/52199
149         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
150         force_reg instead of copy_to_reg for better optimization.  Force
151         non-register or memory operands into a register.
152
153 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
154
155         * extend.texi: Reserve upper bits of memory model for future use.
156
157 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
158             Anatoly Sokolov <aesok@post.ru>
159             Eric Weddington <eric.weddington@atmel.com>
160
161         PR target/52261
162         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
163         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
164         Rewrite initializers for .macro.
165         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
166         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
167         atxmega32d4, atxmega32x1.
168         avrxmega4: atxmega64a3, atxmega64d3.
169         avrxmega5: atxmega64a1, atxmega64a1u.
170         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
171         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
172         avrxmega7: atxmega128a1, atxmega128a1u.
173         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
174         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
175         (struct base_arch_s): Rename reserved to xmega_p.
176         Rename reserved2 to have_rampd.
177         (AVR_XMEGA): New define.
178         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
179         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
180         * config/avr/predicates.md (io_address_operand): Take into
181         account SFR offset.
182         (low_io_address_operand): Ditto.
183         (high_io_address_operand): Ditto.
184         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
185         (enabled, movhi_sp_r): Use them.
186         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
187         cpp_define_formatted to built-in define __AVR_ARCH__.
188         (__AVR_XMEGA__): New built-in define.
189         (__AVR_HAVE_RAMPD__): New built-in define.
190         (__AVR_HAVE_RAMPX__): New built-in define.
191         (__AVR_HAVE_RAMPY__): New built-in define.
192         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
193
194         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
195         (avr_option_override): Initialize them.
196         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
197         (avr_init_expanders): Initialize them. No more block several calls.
198         (emit_push_sfr): New static function.
199         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
200         Handle AVR_XMEGA.
201         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
202         (avr_print_operand): Print addreeses as symbols for
203         RAMPX, RAMPY, RAMPD, CCP.
204         (output_movhi): Handle AVR_XMEGA when writing to SP.
205         (avr_out_movhi_mr_r_xmega): New static function.
206         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
207         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
208         __RAMPD__,  __CCP__ as needed.
209
210         * config/avr/multilib.h: Regenerate.
211         * config/avr/t-multilib: Regenerate.
212         * config/avr/avr-tables.opt: Regenerate.
213
214 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
215
216         PR tree-optimization/50561
217         * graphite-flattening.c (lst_project_loop): Do not
218         remove old scattering dimensions after flattening.
219         (lst_do_flatten): Likewise.
220
221 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
222
223         * doc/extend.texi (AVR Built-in Functions): Remove doc for
224         __builtin_avr_map8, __builtin_avr_map16.
225         Document __builtin_avr_insert_bits.
226
227         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
228         (insert_bits): New insn.
229         (adjust_len.map_bits): Rename to insert_bits.
230         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
231         * avr-protos.h (avr_out_map_bits): Remove.
232         (avr_out_insert_bits, avr_has_nibble_0xf): New.
233         * config/avr/constraints.md (Cxf,C0f): New.
234         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
235         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
236         New built-in define __BUILTIN_AVR_INSERT_BITS.
237         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
238         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
239         (avr_move_bits): Rewrite.
240         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
241         functions.
242         (avr_map_op_t): New typedef.
243         (avr_map_op): New static variable.
244         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
245         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
246         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
247         (bdesc_3arg, avr_expand_triop_builtin): New.
248         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
249         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
250         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
251         (avr_map_equal_p, avr_map_sig_p): Remove.
252         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
253         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
254         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
255         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
256         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
257         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
258
259 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
260
261         * config/c6x/c6x.md (reserve_cycles): New attribute.
262         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
263         don't reserve functional units after the branch occurs.
264
265 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
266
267         PR middle-end/52142
268         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
269         functions into non-tm_pure functions.
270
271 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
272
273         PR lto/52178
274         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
275         (iterative_hash_canonical_type): Likewise.
276         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
277         the dead edges.
278
279 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
280
281         * haifa-sched.c (prune_ready_list): Ensure that if there is a
282         sched-group insn, it either remains alone or the entire list is
283         pruned.
284
285 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
286
287         * doc/install.texi (Prerequisites): Fix grammar.
288         (Configuration): Likewise.
289
290 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
291
292         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
293         MPC as part of GCC before describing configuring with --with-gmp etc.
294         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
295         sources are present.
296
297 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
298
299         PR debug/51950
300         * dwarf2out.c (clone_tree_hash): New function.
301         (copy_decls_walk): Use it instead of clone_tree.
302
303 2012-02-14  Richard Guenther  <rguenther@suse.de>
304
305         PR tree-optimization/52244
306         PR tree-optimization/51528
307         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
308         replacements for integral types.
309
310 2012-02-14  Walter Lee  <walt@tilera.com>
311
312         * config.gcc: Handle tilegx and tilepro.
313         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
314         tilegx and tilepro.
315         Add HAVE_AS_TLS check for tilegx and tilepro.
316         * configure: Regenerate.
317         * doc/contrib.texi: Add Mat Hostetter and self.
318         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
319         Document instruction intrinsics and network accessing intrinsics.
320         (TILEPro Built-in Functions): New node.  Document instruction
321         intrinsics and network accessing intrinsics.
322         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
323         (Specific, tilepro-*-linux*): Likewise.
324         * doc/invoke.texi (TILE-Gx Options): New section.
325         (TILEPro Options): New section.
326         * doc/md.texi (TILE-Gx): New section.
327         (TILEPro): New section.
328         * common/config/tilegx/tilegx-common.c: New file.
329         * common/config/tilepro/tilepro-common.c: New file.
330         * config/tilegx/constraints.md: New file.
331         * config/tilegx/linux.h: New file.
332         * config/tilegx/mul-tables.c: New file.
333         * config/tilegx/predicates.md: New file.
334         * config/tilegx/sync.md: New file.
335         * config/tilegx/t-tilegx: New file.
336         * config/tilegx/tilegx-builtins.h: New file.
337         * config/tilegx/tilegx-c.c: New file.
338         * config/tilegx/tilegx-generic.md: New file.
339         * config/tilegx/tilegx-modes.def: New file.
340         * config/tilegx/tilegx-multiply.h: New file.
341         * config/tilegx/tilegx-protos.h: New file.
342         * config/tilegx/tilegx.c: New file.
343         * config/tilegx/tilegx.h: New file.
344         * config/tilegx/tilegx.md: New file.
345         * config/tilegx/tilegx.opt: New file.
346         * config/tilepro/constraints.md: New file.
347         * config/tilepro/gen-mul-tables.cc: New file.
348         * config/tilepro/linux.h: New file.
349         * config/tilepro/mul-tables.c: New file.
350         * config/tilepro/predicates.md: New file.
351         * config/tilepro/t-tilepro: New file.
352         * config/tilepro/tilepro-builtins.h: New file.
353         * config/tilepro/tilepro-c.c: New file.
354         * config/tilepro/tilepro-generic.md: New file.
355         * config/tilepro/tilepro-modes.def: New file.
356         * config/tilepro/tilepro-multiply.h: New file.
357         * config/tilepro/tilepro-protos.h: New file.
358         * config/tilepro/tilepro.c: New file.
359         * config/tilepro/tilepro.h: New file.
360         * config/tilepro/tilepro.md: New file.
361         * config/tilepro/tilepro.opt: New file.
362
363 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
364
365         PR tree-optimization/52210
366         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
367         vect_model_simple_cost with two entry vect_def_type array instead
368         of an address of dt.
369
370 2012-02-14  Richard Guenther  <rguenther@suse.de>
371
372         PR lto/52178
373         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
374         Do not stream DECL_QUALIFIER.
375         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
376         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
377         (find_decls_types_r): Do not walk DECL_QUALIFIER.
378
379 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
380
381         PR c/52181
382         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
383         newdecl.
384
385 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
386
387         PR bootstrap/52172
388         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
389         * cselib.c (cselib_subst_to_values_from_insn): New function.
390         * sched-deps.c (add_insn_mem_dependence,
391         sched_analyze_1, sched_analyze_2): Use it.
392
393 2012-02-13  Jan Hubicka  <jh@suse.cz>
394
395         PR middle-end/52214
396         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
397
398 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
399
400         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
401         (GTM_SELF_SPECS): Define if not already defined.
402         (driver_self_specs): Add GTM_SELF_SPECS.
403         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
404         (GTM_SELF_SPECS): Define.
405         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
406         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
407
408 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
409
410         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
411         away if seen.
412
413         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
414         non-NULL.
415
416         PR middle-end/52230
417         * omp-low.c (expand_omp_for): If a static schedule without
418         chunk size has NULL region->cont, force fd.chunk_size to be
419         integer_zero_node.
420
421 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
422
423         PR c/52190
424         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
425
426 2012-02-13  Richard Guenther  <rguenther@suse.de>
427
428         PR translation/52211
429         * passes.c (enable_disable_pass): Fix typo.
430
431 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
432
433         PR middle-end/52209
434         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
435         XOR for reduce_bit_field if type is unsigned.
436
437 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
438
439         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
440         disallow changes from SFmode to mode with different size in FP regs.
441
442 2012-02-12  Robert Millan  <rmh@gnu.org>
443             Gerald Pfeifer <gerald@pfeifer.com>
444
445         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
446         Tweak comment.
447
448 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
449
450         PR rtl-optimization/52175
451         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
452         to frame-related instructions.
453
454 2012-02-10  Jason Merrill  <jason@redhat.com>
455
456         PR c++/51910
457         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
458         (demangle_new_symbols): Fill it.
459         (scan_linker_output): Walk it.
460         (start_tweaking): Split out from scan_linker_output.
461         (maybe_tweak): Update sym->chosen.
462         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
463
464 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
465
466         PR debug/52132
467         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
468         get_true_reg.
469
470 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
471
472         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
473         having the same mode as previous compare.
474
475 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
476
477         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
478         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
479         (nonlocal_goto_internal): Likewise.
480         (nonlocal_goto): Emit a use and an indirect jump directly.
481
482 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
483
484         PR c/52190
485         * doc/extend.texi : Update comments for __atomic_compare_exchange and
486         __atomic_{is,always}_lock_free.
487
488 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
489
490         PR target/52146
491         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
492         negative constant address for x32.
493
494 2012-02-10  Richard Henderson  <rth@redhat.com>
495
496         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
497         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
498         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
499
500 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
501             Ira Rosen  <irar@il.ibm.com>
502
503         PR tree-optimization/50031
504         * targhooks.c (default_builtin_vectorization_cost): Handle
505         vec_promote_demote.
506         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
507         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
508         all types of reduction and pattern statements.
509         (vect_estimate_min_profitable_iters): Likewise.
510         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
511         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
512         for explicit realigns.
513         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
514         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
515         vec_promote_demote.
516         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
517         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
518         vec_perm for VSX and handle vec_promote_demote.
519
520 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
521
522         PR middle-end/52177
523         * builtins.c (fold_builtin_atomic_always_lock_free,
524         expand_builtin_atomic_always_lock_free,
525         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
526         Return and/or test boolean_true_node/boolean_false_node instead of
527         integer_one_node/integer_zero_node.
528
529 2012-02-10  Jan Hubicka  <jh@suse.cz>
530
531         PR middle-end/48600
532         * predict.c (predict_paths_for_bb): Prevent looping.
533         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
534
535 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
536
537         * config/arm/arm.c (output_move_double): In one case properly
538         count number of instructions that will be emitted.
539
540 2012-02-10  Richard Guenther  <rguenther@suse.de>
541
542         PR translation/52193
543         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
544
545 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
546
547         PR middle-end/52140
548         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
549
550 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
551
552         PR debug/52165
553         * var-tracking.c (emit_note_insn_var_location): If
554         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
555         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
556         non-NOTE_DURING_CALL_P insn.
557
558 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
559
560         PR middle-end/51867
561         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
562
563 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
564
565         PR driver/48524
566         * gcc.c (switch_matches) Support switches with separated form,
567         -D and -U.
568
569 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
570
571         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
572         (SP_ADDR): Ditto.
573         (RAMPZ_ADDR): Ditto.
574         * config/avr/avr.c (avr_addr_t): New typedef.
575         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
576         (avr_init_expanders): Initialize it.
577         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
578         SREG_ADDR.
579         (expand_epilogue): Ditto.
580         (avr_print_operand): Ditto.
581         (avr_file_start): Ditto.
582         (avr_emit_movmemhi): Ditto.
583
584 2012-02-08  Richard Guenther  <rguenther@suse.de>
585
586         PR tree-optimization/46886
587         * tree-flow.h (do_while_loop_p): Declare.
588         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
589         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
590
591 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
592
593         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
594         always succeed for integers larger than a native word.
595
596 2012-02-08  Richard Guenther  <rguenther@suse.de>
597
598         PR rtl-optimization/52170
599         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
600         properly handle integer vector modes.
601
602 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
603
604         PR gcov-profile/52150
605         * coverage.c: Include target.h.
606         (build_var): Call targetm.strip_name_encoding on the assembler name.
607         Change one _ into . or $ if the target allows it.
608         * Makefile.in (coverage.o): Depend on $(TARGET_H).
609
610         PR rtl-optimization/52139
611         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
612         is a BARRIER after emit_insn_after_noloc, move BB_END
613         to the last non-BARRIER insn before it.
614
615 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
616
617         PR middle-end/24306
618         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
619         (mips_gimplify_va_arg_expr): Call it instead of
620         std_gimplify_va_arg_expr.
621
622 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
623
624         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
625         message for -mno-pointers-to-nested-function.
626
627 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
628
629         PR middle-end/51994
630         * expr.c (get_inner_reference): If there is an offset, add a negative
631         bit position to it (if any).
632
633 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
634
635         PR rtl-optimization/52060
636         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
637         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
638         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
639         and/or i0src_copy2 when needed.
640
641 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
642
643         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
644         or LTOPLUGINSONAME if have_c.
645
646         * config/freebsd-spec.h: Add comment about what macros can be defined
647         in this header.
648         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
649         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
650         here instead.
651
652 2012-02-07  Richard Guenther  <rguenther@suse.de>
653
654         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
655         newline in -alias dumps.
656
657 2012-02-07  Kai Tietz  <ktietz@redhat.com>
658             Dave Korn  <dave.korn.cygwin@gmail.com>
659
660         PR target/40068
661         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
662         Take care that typinfo gets dllexport-attribute.
663
664 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
665
666         PR middle-end/52074
667         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
668         if modifier < EXPAND_SUM call force_operand on the result.
669
670 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
671
672         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
673         adding __forwarder_dst__ prefix if a forwarder_section attribute is
674         present.
675         (epiphany_function_type): Replace types for specific interrupts with
676         EPIPHANY_FUNCTION_INTERRUPT.
677         (EPIPHANY_INTERRUPT_P): Update.
678         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
679         New static function.
680         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
681         <disinterrupt>: Affects type identity.
682         (epiphany_handle_interrupt_attribute): Handle variable number of
683         arguments.
684         (epiphany_compute_function_type): Update for new
685         epiphany_function_type definition.
686         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
687         handlers with a longcall forwarder.
688         (epiphany_start_function): Handle multiple interrupt arguments and/or
689         forwarder_section attribute.
690
691         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
692         libgloss.
693
694 2012-02-07  Alan Modra  <amodra@gmail.com>
695
696         PR target/52107
697         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
698         subregs of TFmode.
699
700 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
701
702         PR tree-optimization/50969
703         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
704         use vec_perm rather than vector_stmt.
705         (vect_model_load_cost): Likewise.
706         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
707         vec_perm to be the same as other vector statements.
708         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
709         cost of vec_perm for TARGET_VSX.
710
711 2012-02-06  Richard Guenther  <rguenther@suse.de>
712
713         PR tree-optimization/52115
714         * tree-sra.c (access_has_replacements_p): New function.
715         (sra_modify_assign): Use it to decide whether a use is uninitialized.
716
717 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
718
719         PR middle-end/52047
720         * trans-mem.c (expand_call_tm): Add an assertion.
721         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
722         functions.
723
724 2012-02-06  Richard Guenther  <rguenther@suse.de>
725
726         PR tree-optimization/50955
727         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
728         raise cost of expressions that replace an address with an
729         expression based on a different pointer.
730
731 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
732
733         PR target/52129
734         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
735         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
736
737 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
738
739         PR c++/48680
740         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
741         -Weffc++ and specify guidelines come from second edition.
742
743 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
744
745         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
746         (sibcall_value_multiple_internal, call_split, call_internal_direct)
747         (call_direct_split, call_value_split, call_value_internal_direct)
748         (call_value_direct_split, call_value_multiple_split): Use jal and
749         jal_macro attributes.
750
751 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
752
753         * reload1.c (reload_regs_reach_end_p): Replace with...
754         (reload_reg_rtx_reaches_end_p): ...this function.
755         (new_spill_reg_store): Update commentary.
756         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
757         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
758         before setting new_spill_reg_store.
759         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
760         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
761         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
762         for non-spill reload registers.
763
764 2012-02-05  Ira Rosen  <irar@il.ibm.com>
765
766         PR tree-optimization/52091
767         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
768         (vect_is_simple_use_1): Likewise.
769         * tree-vect-loop.c (vectorizable_reduction): Update calls
770         to vect_is_simple_use_1 and vect_is_simple_use.
771         (vectorizable_live_operation): Likewise.
772         * tree-vect-patterns.c (widened_name_p,
773         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
774         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
775         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
776         vectorizable_shift,vectorizable_operation, vectorizable_store,
777         vectorizable_load): Likewise.
778         (vect_is_simple_cond): Add an argument, pass it to
779         vect_is_simple_use_1.
780         (vectorizable_condition): Update calls to vect_is_simple_cond,
781         vect_is_simple_use.
782         (vect_is_simple_use): Add an argument, the statement in which
783         OPERAND is used.  Check that if OPERAND's def stmt is a double
784         reduction phi node, the use is a phi node too.
785         (vect_is_simple_use_1): Add an argument, pass it to
786         vect_is_simple_use.
787         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
788         to vect_is_simple_use.
789
790 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
791
792         PR rtl-optimization/52095
793         * modulo-sched.c (dump_insn_locator): New function.
794         (loop_canon_p, sms_schedule): Use it.
795
796         PR rtl-optimization/52113
797         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
798         even for decomposable shift/zext insns.
799
800 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
801             Zdenek Dvorak  <ook@ucw.cz>
802
803         PR rtl-optimization/52092
804         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
805         on get_iv_value result.
806
807 2012-02-02  Andrew Pinski  <apinski@cavium.com>
808
809         PR middle-end/47982
810         PR middle-end/43967
811         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
812
813 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
814
815         PR middle-end/48071
816         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
817
818 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
819
820         PR rtl-optimization/49800
821         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
822         (sched_finish): Call regstat_free_n_sets_and_refs.
823
824 2012-02-02  Jia Liu  <proljc@gmail.com>
825
826         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
827         than operand 2.
828
829 2012-02-02 Jan Hubicka  <jh@suse.cz>
830            Tom de Vries  <tom@codesourcery.com>
831
832         PR middle-end/51998
833         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
834         * varpool.c (varpool_analyze_pending_decls): Likewise.
835
836 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
837             Jayant R Sonar <jayant.sonar@kpitcummins.com>
838
839         * config.gcc: Add cr16-* support.
840
841         * doc/extend.texi: Document cr16 extensions.
842         * doc/install.texi: Document cr16 install.
843         * doc/invoke.texi: Document cr16 options.
844         * doc/md.texi: Document cr16 constraints.
845
846         * common/config/cr16/cr16-common.c: New file.
847         * config/cr16/cr16.c: New file.
848         * config/cr16/cr16.h: New file.
849         * config/cr16/cr16.md: New file.
850         * config/cr16/cr16.opt: New file.
851         * config/cr16/cr16-protos.h: New file.
852         * config/cr16/predicates.md: New file.
853         * config/cr16/constraints.md: New file.
854         * config/cr16/t-cr16: New file.
855
856 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
857
858         PR target/52086
859         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
860         that operands[2] is either immediate, or q_regs_operand.
861
862         PR tree-optimization/52073
863         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
864         a pattern stmt for pattern uses, ignore uses outside of the loop.
865
866 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
867
868         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
869         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
870         (OUT_AS1, OUT_AS2): Remove.
871
872 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
873
874         PR rtl-optimization/51374
875         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
876         to cross other volatile_refs_p insns.
877
878 2012-02-01  Richard Guenther  <rguenther@suse.de>
879
880         * doc/invoke.texi (fno-inline): Clarify documentation.
881         (finline-small-functions): Likewise.
882         (finline-functions): Likewise.
883         * common.opt (finline): Adjust comment and documentation.
884         (finline-small-functions): Clarify documentation.
885         (finline-functions): Likewise.
886         (finline-functions-called-once): Likewise.
887
888 2012-02-01  Tristan Gingold  <gingold@adacore.com>
889
890         * c-typeck.c (composite_type): Keep mode for pointers.
891
892 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
893
894         * function.h (regno_reg_rtx): Adjust comment.
895         * reginfo.c (init_reg_modes_target): Only use the previous mode
896         if it fits within one register.  Remove MIPS comment.
897
898 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
899
900         PR bootstrap/52058
901         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
902
903 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
904
905         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
906         to srak instruction.
907
908 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
909
910         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
911
912 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
913
914         PR bootstrap/52041
915         PR bootstrap/52039
916         PR target/51974
917         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
918
919 2012-01-31  Richard Guenther  <rguenther@suse.de>
920
921         PR tree-optimization/51528
922         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
923         assigns.
924
925 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
926
927         PR bootstrap/52041
928         PR bootstrap/52039
929         PR target/51974
930         * ree.c (add_removable_extension): Change def_map argument
931         to unsigned *, store in def_map 1 + offset into *insn_list vector
932         instead of pointers into the vector.
933         (find_removable_extensions): Adjust caller.
934
935 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
936
937         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
938         Transform all "* quoted-c-code" to { c-code }.
939         Remove redundant test for "optimize" in combine patterns.
940         Move (include "avr-dimode.md") to end of file.
941
942 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
943
944         PR target/51835
945         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
946         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
947
948 2012-01-30  Richard Guenther  <rguenther@suse.de>
949
950         PR tree-optimization/52028
951         * tree-loop-distribution.c (ldist_gen): Properly update
952         virtual SSA form.
953
954 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
955
956         PR debug/52027
957         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
958         set_cur_line_info_table if not emitting debug info.
959
960         PR tree-optimization/52046
961         * tree-vect-patterns.c (check_bool_pattern): Give up if
962         a comparison could throw.
963
964         PR debug/52048
965         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
966
967 2012-01-30  Richard Guenther  <rguenther@suse.de>
968
969         PR tree-optimization/52045
970         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
971         SSA form if cfgcleanup did anything.
972
973 2012-01-30  Richard Guenther  <rguenther@suse.de>
974
975         PR tree-optimization/52045
976         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
977         before computing final todo.
978
979 2012-01-30  Richard Guenther  <rguenther@suse.de>
980
981         PR tree-optimization/51528
982         * tree-sra.c (sra_modify_assign): Re-factor in preparation
983         for PR51528 fix.
984
985 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
986
987         * df-problems.c (df_kill_notes): Check that the use refers
988         to the note under examination.
989
990 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
991
992         PR target/51920
993         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
994         parameter and use short-lived pseudos.
995         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
996         (sparc_expand_vector_init): Const-ify local variables and adjust
997         calls to above functions.
998
999 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1000
1001         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1002
1003 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1004
1005         * doc/invoke.texi: Make usage of "compile time" and
1006         "run time"/"runtime" consistent throughout the file.
1007
1008 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1009
1010         * config/alpha/alpha.c (alpha_option_override): Default to
1011         full IEEE compliance mode for Go language.
1012
1013 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1014
1015         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1016         (LINK_SSP_SPEC): Define.
1017
1018 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1019
1020         PR target/51871
1021         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1022         stubs.
1023
1024 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1025
1026         * doc/invoke.texi: Correct hyphenation of "floating point",
1027         "double precision", and related terminology throughout the file.
1028
1029 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1030
1031         PR target/52006
1032         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1033         arm_general_register_operand predicate for operand 2 instead of
1034         register_operand.
1035
1036 2012-01-27  Ian Lance Taylor  <iant@google.com>
1037
1038         PR go/47656
1039         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1040         * builtins.c (expand_builtin_init_trampoline): Add onstack
1041         parameter.  Change caller.
1042         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1043         * tree.c (build_common_builtin_nodes): Declare
1044         __builtin_init_heap_trampoline.
1045
1046 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1047
1048         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1049         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1050         * config/avr/avr.c: Ditto.
1051         (avr_regnames): Remove because unused.
1052         * config/avr/avr.md (*cpse.ne): New peephole.
1053         (*cpse.eq): New peephole from former cpse peepholes.
1054
1055 2012-01-27  Michael Eager  <eager@eagercon.com>
1056
1057         * config/microblaze.c (microblaze_emit_compare): Correct
1058         test after pcmp instruction.
1059
1060 2012-01-27  Richard Guenther  <rguenther@suse.de>
1061
1062         PR tree-optimization/52020
1063         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1064
1065 2012-01-27  Richard Guenther  <rguenther@suse.de>
1066
1067         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1068         function non-const/pure.
1069
1070 2012-01-27  Richard Guenther  <rguenther@suse.de>
1071
1072         PR tree-optimization/50444
1073         * tree-sra.c (build_ref_for_offset): Properly adjust the
1074         MEM_REF type for unaligned accesses.
1075
1076 2012-01-27  Richard Guenther  <rguenther@suse.de>
1077
1078         PR tree-optimization/50444
1079         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1080         (expand_assignment): Use it.  Properly handle misaligned
1081         bases when expanding stores to component references.
1082         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1083         refactor that case.
1084
1085 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1086
1087         PR middle-end/51389
1088         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1089         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1090         * tree-data-ref.c (find_data_references_in_loop): Make static.
1091         (compute_all_dependences): Change return type to bool.  Bail out
1092         for too many datarefs in a loop.  Move the hunk resetting the data
1093         dependences vector from ...
1094         (compute_data_dependences_for_loop): ... here.  Account for
1095         compute_all_dependences returning false.
1096         (compute_data_dependences_for_bb): Likewise.
1097         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1098         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1099
1100 2012-01-27  Richard Guenther  <rguenther@suse.de>
1101
1102         PR middle-end/51959
1103         * expr.c (store_field): Use the alias-set of the scratch memory
1104         for storing to it.
1105
1106 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1107
1108         PR tree-optimization/51990
1109         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1110         WITH_SIZE_EXPR.
1111         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1112
1113 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR debug/52001
1116         * var-tracking.c (reverse_op): Don't add any reverse operation
1117         if V already has any constant locations.
1118
1119 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1120
1121         * doc/invoke.texi: Correct usage of "command line" (noun)
1122         vs "command-line" (adjective) throughout.
1123
1124 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1125
1126         * doc/invoke.texi (Language Independent Options): Move
1127         -Wcoverage-mismatch blurb from here....
1128         (Warning Options): ...to here.
1129
1130 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1131
1132         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1133         Set rs6000_always_hint to false for 476.
1134
1135 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1136
1137         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1138           system root.
1139         * incpath.c (add_standard_paths): Likewise.
1140
1141 2012-01-27  Richard Henderson  <rth@redhat.com>
1142
1143         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1144         * config/m68k/sync.md (atomic_test_and_set): Rename from
1145         sync_test_and_setqi and adjust the operands.
1146         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1147         and unconditionally enable.
1148
1149 2012-01-27  Richard Henderson  <rth@redhat.com>
1150
1151         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1152         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1153         (ldstub): Rename from ldstubqi.
1154         (ldstub<I24MODE>): Remove.
1155
1156 2012-01-27  Richard Henderson  <rth@redhat.com>
1157
1158         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1159         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1160         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1161         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1162         * doc/tm.texi: Rebuild.
1163
1164 2012-01-27  Richard Henderson  <rth@redhat.com>
1165
1166         * optabs.c (gen_atomic_test_and_set): Remove default.
1167         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1168
1169 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1170
1171         PR rtl-optimization/51978
1172         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1173         (combine_reaching_defs): Likewise.
1174         (struct re_info): Remove.
1175         (add_removable_extension): Remove x and data arguments,
1176         add insn, insn_list and def_map.  Use the arguments directly
1177         instead of using struct re_info.
1178         (find_removable_extensions): Don't call add_removable_extension
1179         through note_stores, instead just call it with single_set
1180         result if non-NULL.
1181         (find_and_remove_re): Pass curr_cand->expr instead of
1182         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1183
1184 2012-01-26  Michael Matz  <matz@suse.de>
1185
1186         PR tree-optimization/46590
1187         * cfgexpand.c: Revert last change (r183305).
1188         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1189         regs.
1190         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1191         checking for emptiness.
1192
1193 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1194
1195         PR middle-end/51895
1196         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1197         non-addressable non-BLKmode base correctly.
1198
1199 2012-01-26  Michael Matz  <matz@suse.de>
1200
1201         PR tree-optimization/48794
1202         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1203         regions referenced from RESX/EH_DISPATCH.
1204
1205 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1206
1207         * config/s390/s390.h: Make BRANCH_COST an option.
1208         * config/s390/s390.opt: New option -mbranch-cost.
1209
1210 2012-01-26  Richard Henderson  <rth@redhat.com>
1211
1212         Revert 2012-01-24 change:
1213         * trans-mem.c (requires_barrier): Do not instrument thread local
1214         variables and emit save/restore for them.
1215
1216 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1217
1218         PR middle-end/51986
1219         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1220         for pat == 0.
1221
1222 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1223
1224         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1225         ASM_OPERANDS.
1226
1227 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1228
1229         PR target/49868
1230         Rename __pgm to __flash.
1231         Rename __pgm1 to __flash1.
1232         Rename __pgm2 to __flash2.
1233         Rename __pgm3 to __flash3.
1234         Rename __pgm4 to __flash4.
1235         Rename __pgm5 to __flash5.
1236         Rename __pgmx to __memx.
1237         * doc/extend.texi (AVR Named Address Spaces)
1238         Rename address space names as indicated above.
1239         * config/avr/avr.c (avr_addrspace): Ditto.
1240
1241         * config/avr/avr-protos.h
1242         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1243         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1244         * config/avr/predicates.md: Ditto.
1245         * config/avr/avr.c Ditto, and
1246         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1247         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1248
1249         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1250         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1251         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1252         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1253         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1254         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1255         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1256         * config/avr/avr.c: Ditto.
1257         * config/avr/avr.md: Ditto.
1258
1259 2012-01-25  Jason Merrill  <jason@redhat.com>
1260
1261         PR c++/51992
1262         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1263
1264 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1265
1266         PR tree-optimization/51987
1267         * tree-data-ref.c (get_references_in_stmt): Handle references in
1268         non-volatile GIMPLE_ASM.
1269
1270 2012-01-25  Richard Guenther  <rguenther@suse.de>
1271
1272         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1273         bases are dereferenced.
1274
1275 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1276
1277         PR rtl-optimization/48374
1278         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1279
1280 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1281
1282         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1283         compute_data_dependences_for_loop returns false.
1284         * tree-parloops.c (loop_parallel_p): Likewise.
1285
1286 2012-01-25  Richard Guenther  <rguenther@suse.de>
1287
1288         * tree.h (get_pointer_alignment_1): Declare.
1289         * builtins.c (get_pointer_alignment_1): New function.
1290         (get_pointer_alignment): Use it.
1291
1292 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1293
1294         PR rtl-optimization/48308
1295         * combine.c (enum undo_kind): Add UNDO_LINKS.
1296         (struct undo): Add member l to other_contents and where.
1297         (do_SUBST_LINK): New.
1298         (SUBST_LINK): New.
1299         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1300         (undo_all): Handle UNDO_LINKS.
1301
1302 2012-01-25  Richard Henderson  <rth@redhat.com>
1303
1304         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1305         mem inputs.
1306
1307 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1308
1309         * optabs.c (gen_atomic_test_and_set): Use each argument.
1310
1311 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1312
1313         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1314         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1315         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1316         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1317         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1318         TARGET_PAIRED_SINGLE_FLOAT.
1319
1320 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1321
1322         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1323         (in_struct, return_val): Remove MEM documentation.
1324         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1325         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1326         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1327         and MEM_SCALAR.
1328         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1329         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1330         * expr.c (store_field): Likewise.
1331         * function.c (assign_stack_temp_for_type): Likewise.
1332         * ifcvt.c (noce_try_cmove_arith): Likewise.
1333         * reload1.c (reload): Likewise.
1334         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1335         (alpha_set_memflags): Likewise.
1336         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1337
1338 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1339
1340         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1341         parameter.
1342         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1343         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1344         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1345         varies parameter.
1346         * cselib.c (cselib_rtx_varies_p): Delete.
1347         (cselib_invalidate_mem): Update call to canon_true_dependence.
1348         * dse.c (record_store, check_mem_read_rtx): Likewise.
1349         (scan_reads_nospill): Likewise.
1350         * cse.c (check_dependence): Likewise.
1351         (cse_rtx_varies_p): Delete.
1352         * expr.c (safe_from_p): Update call to true_dependence.
1353         * ira.c (validate_equiv_mem_from_store): Likewise.
1354         (memref_referenced_p): Likewise.
1355         * postreload-gcse.c (find_mem_conflicts): Likewise.
1356         * sched-deps.c (sched_analyze_2): Likewise.
1357         * store-motion.c (load_kills_store): Likewise.
1358         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1359         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1360         (compute_transp): Update call to canon_true_dependence.
1361
1362 2012-01-25  Richard Henderson  <rth@redhat.com>
1363
1364         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1365         (maybe_emit_atomic_test_and_set): New.
1366         (expand_sync_lock_test_and_set): Use it.
1367         (expand_atomic_test_and_set): Likewise.
1368         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1369         the implementation; clarify implementation defined details.
1370         * doc/md.texi (atomic_test_and_set): Document.
1371
1372 2012-01-25  Richard Henderson  <rth@redhat.com>
1373
1374         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1375
1376 2012-01-25  Richard Henderson  <rth@redhat.com>
1377
1378         PR target/51968
1379         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1380         to effect no-op split.
1381
1382 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1383
1384         PR lto/51698
1385         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1386         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1387         (BT_FN_VOID_PTR_INT_SIZE): New.
1388         (BT_FN_UINT_UINT_VAR): Remove.
1389         (BT_FN_UINT32_UINT32_VAR): New.
1390         (BT_FN_DOUBLE_VPTR): Remove.
1391         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1392
1393         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1394         (_ITM_changeTransactionMode): Same.
1395         (_ITM_memmoveRtWt): Change return type to void.
1396         (_ITM_memcpyRtWt): Same.
1397         (_ITM_memsetW): Same.
1398         (_ITM_RaRD): Change types to double.
1399         (_ITM_RD): Same.
1400         (_ITM_RaWD): Same.
1401         (_ITM_RfWD): Same.
1402
1403         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1404
1405 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1406             Patrick Marlier  <patrick.marlier@gmail.com>
1407
1408         * trans-mem.c (requires_barrier): Do not instrument thread local
1409         variables and emit save/restore for them.
1410
1411 2012-01-24  Jason Merrill  <jason@redhat.com>
1412
1413         PR c++/51812
1414         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1415         output static aliases.
1416
1417 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1418
1419         PR driver/47249
1420         * common.opt (-pie, -shared, pie, shared): Change from Common to
1421         Driver.
1422         * gcc.c (display_help): Display help for -pie and -shared.
1423
1424 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1425
1426         PR target/49868
1427         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1428         Remove note on size/offset limitation.
1429         (AVR Variable Attributes): Add example how to read data located
1430         with progmem.  Refer to named address spaces.
1431         * doc/invoke.texi (AVR Options): Fix typo.
1432
1433 2012-01-24  Richard Guenther  <rguenther@suse.de>
1434
1435         Forward-port to trunk
1436         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR middle-end/45678
1439         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1440         op0 isn't sufficiently aligned and there is movmisalignM
1441         insn for mode, use it to load op0 into a temporary register.
1442
1443 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1444
1445         PR target/51957
1446         * target.def (const_not_ok_for_debug_p): New hook.
1447         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1448         documentation.
1449         * doc/tm.texi: Regenerated.
1450         * dwarf2out.c (const_ok_for_output_1): If
1451         targetm.const_not_ok_for_debug_p returns true, fail.
1452         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1453         function.
1454         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1455
1456 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1457
1458         PR target/51900
1459         * config/i386/predicates.md (symbolic_operand): Allow
1460         UNSPEC_PCREL as PIC expression for lea.
1461         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1462         * config/i386/i386.c (ix86_delegitimize_address): Handle
1463         UNSPEC_PCREL for none-MEM, too.
1464
1465 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1466
1467         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1468         (ipa_tm_create_version_alias): Same.
1469
1470 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1471
1472         PR libitm/51830
1473         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1474         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1475
1476 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1477             Patrick Marlier  <patrick.marlier@gmail.com>
1478             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1479
1480         PR lto/51916
1481         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1482         simple_object_start_read.
1483
1484 2012-01-23  Richard Guenther  <rguenther@suse.de>
1485
1486
1487         PR tree-optimization/51895
1488         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1489         parameter decomposition into BLKmode components.
1490
1491 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1492
1493         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1494         fake variables for restrict-qualified pointers whose pointed-to type
1495         contains a placeholder.
1496
1497 2012-01-23  Richard Guenther  <rguenther@suse.de>
1498
1499         PR tree-optimization/51949
1500         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1501
1502 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1503
1504         PR rtl-optimization/51933
1505         * ree.c (transform_ifelse): Return true right away if dstreg is
1506         already wider or equal to cand->mode.
1507         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1508         (make_defs_and_copies_lists): Remove defs_list and copies_list
1509         arguments, add state argument, just truncate state->work_list
1510         instead of always allocating and freeing the vector.  Assert that
1511         get_defs succeeds instead of returning 2.  Changed return type to bool.
1512         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1513         have ext_src_mode, see if it has been modified already with the
1514         right kind of extension and has been extended before from the
1515         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1516         just return true.  Remember the original mode in state->modified array.
1517         (combine_reaching_defs): Add state argument.  Don't allocate and
1518         free here def_list, copied_list and vec vectors, instead just
1519         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1520         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1521         Add state variable, clear vectors in it, initialize state.modified
1522         if needed.  Free all the vectors at the end and state.modified too.
1523         Don't skip a candidate if the extension expression has been modified.
1524
1525 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1526
1527         PR target/47096
1528         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1529          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1530         (extra_options) interix.opt -> i386/interix.opt"
1531         (extra_objs):Add winnt-stubs.o
1532         * configure.ac: Add interix to target_os .comm on PE check.
1533         * configure: Regenerate.
1534         * config/interix3.h: Delete and move bits to..
1535         * config/interix.h: Delete and move bits to..
1536         * config/i386/i386-interix3.h: Delete and move bits to..
1537         * config/i386/i386-interix.h: ..here.
1538         (TARGET_CPU_DEFAULT): Remove redefinition.
1539         (TARGET_ASM_CONSTRUCTOR): Undefine.
1540         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1541         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1542         (PTRDIFF_TYPE): Define.
1543         (LONG_DOUBLE_TYPE_SIZE): Define.
1544         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1545         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1546         (TARGET_SECTION_TYPE_FLAGS): Define.
1547         (ASM_DECLARE_FUNCTION_NAME): Define.
1548         (ASM_OUTPUT_EXTERNAL): Define.
1549         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1550         (ASM_OUTPUT_ALIGNED_BSS): Define.
1551         (PCC_BITFIELD_TYPE_MATTERS): Define.
1552         (USE_CONST_SECTION): Define.
1553         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1554         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1555         (SUPPORTS_ONE_ONLY): Remove.
1556         (I386_PE_STRIP_ENCODING): Define.
1557         * config/interix.opt: Delete and move bits to..
1558         * config/i386/interix.opt: ..here. New.
1559         (mpe-aligned-commons): Add.
1560         * config/i386/t-interix: Add copyright header.
1561         (winnt-stubs.o): Add rule.
1562
1563 2012-01-22  Jason Merrill  <jason@redhat.com>
1564
1565         PR c++/51832
1566         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1567         for extra name aliases.
1568
1569 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1570
1571         PR rtl-optimization/51924
1572         * ree.c (combine_set_extension): Improve debugging message.
1573         (combine_reaching_defs): Likewise.
1574         (get_defs): Rename confusingly named variable.
1575         (find_and_remove_re): Skip a candidate if the extension expression has
1576         been modified.
1577
1578 2012-01-21  Robert Millan  <rmh@gnu.org>
1579             Gerald Pfeifer  <gerald@pfeifer.com>
1580
1581         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1582         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1583
1584 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1585
1586         PR tree-optimization/51914
1587         * tree-vect-stmts.c (vectorizable_conversion): For
1588         cvt_type && modifier == WIDEN, put temporary with cvt_type
1589         at the beginning of vec_dsts and set vec_dest to temporary
1590         with vectype_out.
1591
1592 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1593
1594         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1595
1596 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1597
1598         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1599         * config/rs6000/rs6000.c: Likewise.
1600
1601 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1602
1603         PR target/51915
1604         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1605         output_move_double on a copy of operands array.
1606
1607 2012-01-20  Cary Coutant  <ccoutant@google.com>
1608             Dodji Seketeli  <dodji@redhat.com>
1609
1610         PR debug/45682
1611         * dwarf2out.c (copy_declaration_context): Return ref to parent
1612         of declaration DIE, if necessary.
1613         (remove_child_or_replace_with_skeleton): Add new parameter; update
1614         caller.  Place skeleton DIE under parent DIE of original declaration.
1615         Move call to copy_declaration_context to here ...
1616         (break_out_comdat_types): ... from here.
1617
1618 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1619
1620         PR rtl-optimization/51856
1621         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1622         flag to reloaded.
1623
1624 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1625
1626         PR target/51819
1627         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1628         hints for neon loads and stores.
1629
1630 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1631
1632         PR target/49868
1633         PR target/50887
1634         * doc/extend.texi (Named Address Spaces): Split into subsections.
1635         (AVR Named Address Spaces): New subsection.
1636         (M32C Named Address Spaces): New subsection.
1637         (RL78 Named Address Spaces): New subsection.
1638         (SPU Named Address Spaces): New subsection.
1639         (Variable Attributes): New anchor "AVR Variable Attributes".
1640         (AVR Variable Attributes): Rewrite and avoid wording
1641         "address space" in this context.
1642         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1643         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1644         (AVR Built-in Macros): New subsubsection therein.
1645         * doc/md.texi (AVR constraints): Remove "C04", "R".
1646
1647 2012-01-20  Richard Guenther  <rguenther@suse.de>
1648
1649         PR tree-optimization/51903
1650         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1651         when removing stmts.
1652
1653 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1654
1655         PR target/50313
1656         * config/arm/arm.c (arm_load_pic_register): Use
1657         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1658         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1659         (arm_pic_static_addr): Likewise.
1660         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1661         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1662         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1663         (pic_load_addr_unified): New.
1664
1665 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1666
1667         PR target/51106
1668         * function.c (instantiate_virtual_regs_in_insn): Use
1669         delete_insn_and_edges when removing a wrong asm insn.
1670
1671 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1672
1673         PR rtl-optimization/40761
1674         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1675         Add new member loop_num.
1676         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1677         (ira_build): Remove the parameter.
1678
1679         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1680         (ira.c): Do not build CFG loops for one region allocation.  Remove
1681         argument from ira_build call.
1682
1683         * ira-build.c (init_loop_tree_node): New function.
1684         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1685         loops are not built.
1686         (more_one_region_p): Check current_loops.
1687         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1688         built.
1689         (add_loop_to_tree): Process loop equal to NULL too.
1690         (form_loop_tree): Separate the case when CFG loops are not built.
1691         Use explicitly number for the root.
1692         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1693         an assertion.
1694         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1695         instead of loop->num.
1696         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1697         (mark_all_loops_for_removal): Ditto.
1698         (remove_unnecessary_regions): Separate the case when CFG loops
1699         are not built.
1700         (ira_build): Remove the parameter.  Use explicit number of regions
1701         when CFG loops are not built.
1702
1703         * ira-color.c (print_loop_title): Separate the case for the root node.
1704         Use loop_num instead of loop->num.
1705         (move_spill_restore): Use loop_num instead of loop->num.
1706
1707         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1708         (change_loop): Ditto.
1709         (change_loop): Use loop_num instead of loop->num.
1710
1711         * ira-lives.c (process_bb_node_lives): Ditto.
1712
1713         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1714
1715         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1716
1717 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1718
1719         PR libmudflap/40778
1720         * tree-mudflap.c (mf_artificial): New function.
1721         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1722         mx_register_decls, mudflap_enqueue_decl): Use it.
1723
1724         PR target/51876
1725         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1726         numbers in the insn pattern.
1727
1728 2012-01-19  Michael Matz  <matz@suse.de>
1729
1730         PR tree-optimization/46590
1731         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1732         use it in remembering which conflicts we already created.
1733         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1734         bitmap.
1735
1736 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1737
1738         PR lto/51280
1739         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1740         (merge_and_complain): Same.
1741
1742 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR bootstrap/50237
1745         * config/initfini-array.h: Guard content of the header
1746         with #ifdef HAVE_INITFINI_ARRAY.
1747         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1748         Add initfini-array.h to tm_file here.
1749         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1750         * config.gcc: Don't add initfini-array.h to tm_file here.
1751         * configure: Regenerated.
1752
1753 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1754
1755         PR rtl-optimization/51505
1756         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1757         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1758         (df_note_bb_compute): Update the call to df_kill_notes.
1759
1760 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1761
1762         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1763
1764 2012-01-18  Richard Guenther  <rguenther@suse.de>
1765
1766         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1767         of conversions to void *.
1768
1769 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1770             Richard Sandiford  <rdsandiford@googlemail.com>
1771
1772         PR middle-end/50325
1773         PR middle-end/51192
1774         * optabs.h (simplify_expand_binop): Declare.
1775         * optabs.c (simplify_expand_binop): Make global.
1776         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1777         endian targets if the source cannot be exactly covered by word
1778         mode chunks.
1779
1780 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1781
1782         PR bootstrap/51872
1783         * hard-reg-set.h (struct hard_reg_set_container): New type.
1784         * target.h (struct hard_reg_set_container): Forward declare.
1785         * target.def (set_up_by_prologue): New target hook.
1786         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1787         * doc/tm.texi: Regenerated.
1788         * function.c (thread_prologue_and_epilogue_insns): Change
1789         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1790         Call targetm.set_up_by_prologue on it.
1791         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1792         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1793
1794 2012-01-17  Nick Clifton  <nickc@redhat.com>
1795
1796         * config/rx/rx.c (rx_can_use_simple_return): New function.
1797         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1798         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1799
1800 2012-01-17  Richard Guenther  <rguenther@suse.de>
1801
1802         PR middle-end/51782
1803         * expr.c (expand_assignment): Take address-space information
1804         from the address operand of MEM_REF and TARGET_MEM_REF.
1805         (expand_expr_real_1): Likewise.
1806
1807 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1808
1809         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1810         reload dump is requested.
1811
1812 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1813
1814         PR other/51165
1815         * trans-mem.c (requires_barrier): Call may_be_aliased.
1816
1817 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1818
1819         PR tree-optimization/51877
1820         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1821         call arguments and fndecls compare equal, instead return false if they
1822         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1823         both SSA_NAMEs that are valueized the same, or they satisfy
1824         operand_equal_p.
1825
1826 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1827
1828         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1829         Solaris 11+.
1830         * configure: Regenerate.
1831
1832 2012-01-16  Jan Hubicka  <jh@suse.cz>
1833
1834         PR c/12245
1835         PR c++/14179
1836         * convert.c (convert_to_integer): Use fold_convert for
1837         converting an INTEGER_CST to integer type.
1838
1839 2012-01-16  Jason Merrill  <jason@redhat.com>
1840
1841         PR c++/14179
1842         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1843
1844 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1845
1846         PR bootstrap/51860
1847         * config/s390/s390.c (s390_chunkify_start): Don't skip
1848         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1849         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1850         If insn is followed by NOTE_INSN_VAR_LOCATION or
1851         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1852         Don't use location of note insns.
1853
1854         PR tree-optimization/51865
1855         * tree-inline.c (tree_function_versioning): Call remap_decl
1856         on DECL_RESULT whenever it has VOID_TYPE_P type.
1857
1858 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1859
1860         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1861         for calls to locally-binding MIPS16 functions if only the return
1862         type uses float regs.
1863
1864 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1865             Richard Sandiford  <rdsandiford@googlemail.com>
1866
1867         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1868         (SYMBOL_32_HIGH): Likewise.
1869         (mips_output_tls_reloc_directive): Declare.
1870         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1871         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1872         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1873         (mips_lo_relocs, mips_hi_relocs): Make extern.
1874         (mips16_stub_function): Move up file.
1875         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1876         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1877         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1878         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1879         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1880         (mips_get_tp): Add MIPS16 support.
1881         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1882         Generalize DTPREL and TPREL handling.
1883         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1884         Add MIPS16 TLS support.
1885         (mips_output_tls_reloc_directive): New function.
1886         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1887         * config/mips/predicates.md (symbolic_operand_with_high)
1888         (tls_reloc_operand): New predicates.
1889         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1890         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1891         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1892         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1893         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1894         (*tls_get_tp_mips16_call_<mode>): Likewise.
1895
1896 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1897
1898         PR rtl-optimization/51821
1899         * recog.c (peep2_find_free_register): Determine clobbered registers
1900         from insn pattern.
1901
1902 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1903
1904         PR target/50925
1905         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1906         * config/avr/avr.c: Likewise.
1907         * config/avr/avr.h: Likewise.
1908
1909 2012-01-13  Ian Lance Taylor  <iant@google.com>
1910
1911         PR c++/50012
1912         * tree.h (TYPE_QUALS): Add cast to int.
1913         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1914
1915 2012-01-13  Ian Lance Taylor  <iant@google.com>
1916
1917         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1918         comparing param_index to VEC_length result.
1919
1920 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1921
1922         * c-decl.c: Do not include tree-mudflap.h
1923         * tree-optimize.c: Likewise.
1924         * Makefile.in: Update dependencies.
1925
1926 2012-01-13  Richard Guenther  <rguenther@suse.de>
1927
1928         PR middle-end/8081
1929         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1930         variable-sized result always use RSO.
1931
1932 2012-01-12  DJ Delorie  <dj@redhat.com>
1933
1934         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1935         pointer type, not just the default pointer type.
1936
1937 2012-01-09  Richard Henderson  <rth@redhat.com>
1938             Denis Chertykov  <chertykov@gmail.com>
1939
1940         PR target/50925
1941         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1942         * config/avr/avr.c (avr_can_eliminate): Simplify.
1943         (avr_initial_elimination_offset): Likewise.
1944         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1945         (expand_epilogue): Likewise.
1946         (avr_legitimize_address): Gut.
1947         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1948         (avr_hard_regno_nregs): New.
1949         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1950         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1951         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1952         add soft frame pointer.
1953         (CALL_USED_REGISTERS): Likewise.
1954         (REG_CLASS_CONTENTS): Likewise.
1955         (REGISTER_NAMES): Likewise.
1956         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1957         (HARD_FRAME_POINTER_REGNUM): New.
1958         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1959         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1960         remove the HARD_FRAME_POINTER self-elimination.
1961
1962 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1963
1964         PR target/51756
1965         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1966         DECL_EXTERNAL when checking for initializers of progmem variables.
1967
1968 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1969
1970         PR tree-optimization/51799
1971         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1972         that the last operation is a type demotion.
1973
1974 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1975
1976         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1977         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1978
1979 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1980
1981         PR bootstrap/51796
1982         * combine.c (distribute_notes): If i3 is a noreturn call,
1983         allow old_size to be equal to args_size and make sure the
1984         noreturn call gets REG_ARGS_SIZE note.
1985         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1986         on noreturn calls even when the delta is 0.
1987
1988 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1989
1990         * gcov.c (STRING_SIZE): Remove.
1991         (generate_results): Erase annotations for source files with no
1992         coverage information.
1993         (read_line): New.
1994         (output_lines): Use it.
1995
1996 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1997
1998         * gimple.h (gimplify_body): Remove first argument.
1999         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2000         pointer set here, instead just pass DATA to walk_tree.
2001         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2002         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2003         (unvisit_body): Likewise, but with unmark_visited.
2004         (gimplify_body): Remove BODY_P argument and adjust.
2005         (gimplify_function_tree): Adjust call to gimplify_body.
2006         * omp-low.c (finalize_task_copyfn): Likewise.
2007
2008 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2009
2010         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2011         (build_function_type_skip_args): Delete.
2012         * tree.c (build_function_type_skip_args): Make static and add
2013         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2014         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2015         pass it to build_function_type_skip_args.
2016         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2017         (tree_function_versioning): Likewise.
2018         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2019         build_function_decl_skip_args.
2020         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2021         and pass it to build_function_decl_skip_args/tree_function_versioning.
2022         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2023         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2024         * trans-mem.c (ipa_tm_create_version): Likewise.
2025         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2026         * tree-inline.c (declare_return_variable): Remove always-true test.
2027         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2028         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2029         * ipa-split.c (split_function): Skip the return value for the split
2030         part if it doesn't return.
2031
2032 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2033
2034         PR tree-optimization/49642
2035         * ipa-split.c (forbidden_dominators): New variable.
2036         (check_forbidden_calls): New function.
2037         (dominated_by_forbidden): Likewise.
2038         (consider_split): Check for forbidden dominators.
2039         (execute_split_functions): Initialize and free forbidden
2040         dominators info; call check_forbidden_calls.
2041
2042 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2043
2044         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2045
2046 2012-01-11  Nick Clifton  <nickc@redhat.com>
2047
2048         * config/rx/rx.md (return): Define pattern.
2049
2050 2012-01-11  Richard Guenther  <rguenther@suse.de>
2051
2052         * doc/extend.texi (malloc attribute): Adjust according to
2053         implementation.
2054
2055 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2056             Patrick Marlier  <patrick.marlier@gmail.com>
2057
2058         PR middle-end/51516
2059         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2060         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2061         (ipa_tm_note_irrevocable): Same.
2062         (ipa_tm_scan_irr_block): Same.
2063         (ipa_tm_decrement_clone_counts): Same.
2064         (ipa_tm_scan_irr_function): Same.
2065         (ipa_tm_create_version_alias): Same.
2066         (ipa_tm_create_version): Same.
2067         (ipa_tm_transform_calls_redirect): Same.
2068         (ipa_tm_transform_calls): Same.
2069         (ipa_tm_transform_transaction): Same.
2070         (ipa_tm_execute): Same.
2071
2072 2012-01-10  Richard Guenther  <rguenther@suse.de>
2073
2074         PR middle-end/51806
2075         * opts.c (common_handle_option): Handle -Werror.
2076
2077 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2078
2079         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2080         operand number.
2081
2082 2012-01-10  Jason Merrill  <jason@redhat.com>
2083
2084         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2085         information.
2086
2087 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2088
2089         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2090         supports R_386_TLS_GD_PLT reloc.
2091         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2092         supports R_386_TLS_LDM_PLT reloc.
2093         * configure: Regenerate.
2094         * config.in: Regenerate.
2095
2096 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2097
2098         PR target/49868
2099         Extend __pgmx semantics to linearize memory.
2100         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2101         determine if code comes inline or from libgcc.
2102         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2103         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2104         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2105         (movmemx_qi, movmemx_hi): New insns.
2106         (xload_<mode>_libgcc): Rewrite to new insn condition.
2107         (xload_<mode>): Remove insns.
2108         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2109         cases that don't satisfy avr_xload_libgcc_p().
2110         (avr_addr_space_convert): Allow converting in any direction.
2111         (avr_addr_space_subset_p): Return always true.
2112         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2113         (avr_emit_movmemhi): Ditto.
2114         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2115         (avr_out_movmem): Ditto.
2116         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2117         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2118         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2119         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2120         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2121
2122 2012-01-10  Richard Guenther  <rguenther@suse.de>
2123
2124         PR tree-optimization/50913
2125         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2126         Require data-refs to be representable by Graphite with respect
2127         to any loop nest.
2128
2129 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2130
2131         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2132         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2133
2134 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2135
2136         PR rtl-optimization/51271
2137         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2138         handling annulled branch.
2139
2140 2012-01-10  Richard Henderson  <rth@redhat.com>
2141
2142         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2143         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2144         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2145         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2146         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2147         arm_expand_vec_perm_const): New.
2148         * config/arm/arm-protos.h: Update.
2149         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2150         (*neon_vswp<VDQX>): New.
2151         (neon_vcombine<VDX>): Use neon_split_vcombine.
2152         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2153         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2154         (vec_perm<VE>): New.
2155
2156 2012-01-10  Richard Henderson  <rth@redhat.com>
2157
2158         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2159         use it if reload_completed.
2160         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2161         arm_output_asm_insn, arm_process_output_memory_barrier,
2162         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2163         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2164         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2165         arm_process_output_sync_insn, arm_output_sync_insn,
2166         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2167         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2168         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2169         (emit_unlikely_jump): New.
2170         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2171         (arm_split_atomic_op): New.
2172         * config/arm/arm-protos.h: Update.
2173         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2174         (struct arm_sync_generator): Remove.
2175         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2176         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2177         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2178         (VUNSPEC_LL, VUNSPEC_SC): New.
2179         (sync_result, sync_memory, sync_required_value, sync_new_value,
2180         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2181         (attr length): Don't use arm_sync_loop_insns.
2182         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2183         (movsfcc, movdfcc): Likewise.
2184         * config/arm/constraints.md (Ua): New.
2185         * config/arm/prediates.md (mem_noofs_operand): New.
2186         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2187         (sync_clobber, sync_t2_reqd): Remove.
2188         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2189         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2190         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2191         (arm_sync_compare_and_swap<SIDI>): Remove.
2192         (arm_sync_compare_and_swap<NARROW>): Remove.
2193         (arm_sync_lock_test_and_set<SIDI>): Remove.
2194         (arm_sync_lock_test_and_set<NARROW>): Remove.
2195         (arm_sync_new_<syncop><SIDI>): Remove.
2196         (arm_sync_new_<syncop><NARROW>): Remove.
2197         (arm_sync_new_nand<SIDI>): Remove.
2198         (arm_sync_new_nand<NARROW>): Remove.
2199         (arm_sync_old_<syncop><SIDI>): Remove.
2200         (arm_sync_old_<syncop><NARROW>): Remove.
2201         (arm_sync_old_nand<SIDI>): Remove.
2202         (arm_sync_old_nand<NARROW>): Remove.
2203         (*memory_barrier): Merge arm_output_memory_barrier.
2204         (atomic_compare_and_swap<QHSD>): New.
2205         (atomic_compare_and_swap<NARROW>_1): New.
2206         (atomic_compare_and_swap<SIDI>_1): New.
2207         (atomic_exchange<QHSD>): New.
2208         (cas_cmp_operand, cas_cmp_str): New.
2209         (atomic_op_operand, atomic_op_str): New.
2210         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2211         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2212         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2213         (arm_load_exclusive<NARROW>): New.
2214         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2215         (arm_store_exclusive<QHSD>): New.
2216
2217 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2218
2219         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2220         reload patterns if -mvsx-scalar-memory.
2221
2222         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2223         generated, even -mno-vsx-scalar-double was used.
2224         (vsx_xscvdpsp_scalar): Likewise.
2225         (vsx_xscvspdp_scalar2): Likewise.
2226
2227 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2228             Andrew Pinski  <apinski@cavium.com>
2229
2230         PR debug/51471
2231         * reorg.c (fill_slots_from_thread): Don't speculate
2232         frame-related insns.
2233
2234 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2235
2236         * sched-int.h (bb_note): Move to...
2237         * basic-block.h: ...here.
2238         * haifa-sched.c (bb_note): Move to...
2239         * cfgrtl.c: ...here.
2240         * function.c (next_block_for_reg): New function.
2241         (move_insn_for_shrink_wrap): Likewise.
2242         (prepare_shrink_wrap): Rewrite to use the above.
2243
2244 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2245
2246         * gimple.c (is_gimple_non_addressable): Remove.
2247         * gimple.h: Remove is_gimple_non_addressable.
2248         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2249         is_gimple_non_addressable.
2250         * trans-mem.c (expand_assign_tm): Same.
2251
2252 2012-01-09  Richard Guenther  <rguenther@suse.de>
2253
2254         PR tree-optimization/51775
2255         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2256         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2257
2258 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2259
2260         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2261         tuning parameters.
2262         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2263
2264 2012-01-09  Richard Guenther  <rguenther@suse.de>
2265
2266         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2267
2268 2012-01-08  Jan Hubicka  <jh@suse.cz>
2269
2270         PR tree-optimize/51680
2271         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2272         on when known_vals needs to be computed; cleanup.
2273
2274 2012-01-08  Jan Hubicka  <jh@suse.cz>
2275
2276         PR tree-optimize/51694
2277         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2278
2279 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2280
2281         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2282         for -std=c++98 and -std=c++11 too.
2283
2284 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2285
2286         * cfgloop.c (cancel_loop): Add free() of bbs array.
2287
2288 2012-01-07  Jan Hubicka  <jh@suse.cz>
2289
2290         PR tree-optimization/51600
2291         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2292         that benefits small functions.
2293
2294 2012-01-07  Jan Hubicka  <jh@suse.cz>
2295
2296         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2297
2298 2012-01-07  Jan Hubicka  <jh@suse.cz>
2299
2300         PR tree-optimization/51680
2301         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2302         whose inlining reduce unit size.
2303
2304 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2305
2306         PR bootstrap/51725
2307         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2308         Add canonical node to containing_mem chain after the non-canonical
2309         one, even if there weren't any locs to propagate.
2310         (remove_useless_values): Keep only canonical values.
2311         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2312         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2313         canonicalize mem_chain elements that are not discarded.
2314
2315 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2316
2317         PR target/47333
2318         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2319         before emitting functions.
2320
2321         PR gcov-profile/50127
2322         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2323         clear_aux_for_blocks.
2324
2325 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2326
2327         PR debug/51746
2328         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2329
2330 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2331
2332         * c-decl.c (ext_block): Moved up.
2333         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2334
2335 2012-01-06  Han Shen  <shenhan@google.com>
2336
2337         Translate built-in include paths for sysroot.
2338         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2339         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2340
2341         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2342         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2343
2344         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2345         control whether sysroot should be prepended to gxx include dir.
2346
2347         * configure: Regenerate.
2348
2349 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2350
2351         PR rtl-optimization/51771
2352         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2353         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2354
2355 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2356
2357         PR tree-optimization/51315
2358         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2359         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2360
2361 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2362
2363         PR target/51681
2364         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2365         for shrp pattern.  Correctly handle and fixup shift variable.
2366         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2367
2368 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2369
2370         PR debug/51762
2371         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2372         note when !ACCUMULATE_OUTGOING_ARGS.
2373
2374 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2375
2376         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2377         condition.
2378         (extract_range_from_unary_expr_1): Avoid useless computations.
2379
2380 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2381
2382         PR rtl-optimization/51767
2383         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2384         of jump_block and add an extra edge for degenerated asm gotos.
2385
2386         PR middle-end/51768
2387         * stmt.c (check_unique_operand_names): Don't ICE during error
2388         reporting if i is from labels chain.
2389
2390         PR middle-end/44777
2391         * profile.c (branch_prob): Split bbs that have exit edge
2392         and need a fake entry edge too.
2393
2394 2012-01-05  Jan Hubicka  <jh@suse.cz>
2395
2396         PR middle-end/49710
2397         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2398         unlooping loops.
2399
2400 2012-01-05  Richard Guenther  <rguenther@suse.de>
2401
2402         PR lto/50490
2403         * tree-streamer-out.c (write_ts_optimization): New function.
2404         (streamer_write_tree_body): Call it.
2405         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2406         (streamer_read_tree_body): Call it.
2407         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2408
2409 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2410
2411         PR middle-end/51761
2412         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2413         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2414         in_cleanup_point_expr before gimplify_stmt call and restore it
2415         afterwards.
2416         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2417         in_cleanup_point_expr is false.
2418
2419 2012-01-05  Richard Guenther  <rguenther@suse.de>
2420
2421         PR middle-end/51764
2422         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2423         to c.opt.
2424         * toplev.c (process_options): Reject combining mudflap and LTO.
2425         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2426
2427 2012-01-05  Richard Guenther  <rguenther@suse.de>
2428
2429         PR tree-optimization/51760
2430         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2431         not VARYING.
2432         (bit_value_unop): Handle UNDEFINED operands.
2433         (bit_value_binop): Likewise.
2434
2435 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2436
2437         * config/avr/avr.c (avr_replace_prefix): Remove.
2438         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2439         (avr_asm_function_rodata_section): Ditto.
2440         (avr_asm_select_section): Ditto.
2441
2442 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2443
2444         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2445         insertion.
2446
2447 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2448
2449         PR bootstrap/51648
2450         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2451         calls that have any non-fake successor edges.
2452
2453         PR debug/51746
2454         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2455
2456 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2457
2458         PR tree-optimization/51624
2459         * tree-sra.c (build_ref_for_model): When replicating a chain of
2460         COMPONENT_REFs, stop as soon as the offset would become negative.
2461
2462 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2463
2464         PR debug/51695
2465         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2466         in .debug_loc on the floor.
2467
2468 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2469
2470         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2471
2472 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2473             Adam Nemet  <anemet@caviumnetworks.com>
2474
2475         * config/mips/mips.md (size): Add SI and DI.
2476         (SIZE): New mode attribute.
2477         (U): New code attribute.
2478         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2479         (mips_lbux_<mode>): Delete.
2480         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2481         (mips_lhx): Use gen_mips_lhx_extsi.
2482         (mips_lhx_<mode>): Delete.
2483         (mips_lwx): Delete.
2484         (mips_l<size>x): New expand.
2485         (mips_lwx_<mode>): Delete.
2486         (mips_l<GPR:size>x_<P:mode>): New pattern.
2487         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2488         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2489         * config/mips/mips.c (mips_lx_address_p): New function.
2490         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2491         (dsp64): New availability predicate.
2492         (mips_builtins): Add an entry for __builtin_mips_ldx.
2493         * config/mips/mips.h (ISA_HAS_LBX): New define.
2494         (ISA_HAS_LBUX): Likewise.
2495         (ISA_HAS_LHX): Likewise.
2496         (ISA_HAS_LHUX): Likewise.
2497         (ISA_HAS_LWX): Likewise.
2498         (ISA_HAS_LWUX): Likewise.
2499         (ISA_HAS_LDX): Likewise.
2500         * doc/extend.texi (__builtin_mips_ldx): Document.
2501
2502 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2503
2504         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2505         when long pointers are used.
2506         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2507         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2508         (ia64-hp-*vms*): Remove.
2509         * config/vms/xm-vms64.h: Delete.
2510
2511 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2512
2513         PR middle-end/51472
2514         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2515
2516 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2517
2518         * opts.c (finish_options): Remove duplicate sorry.
2519
2520 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2521
2522         PR middle-end/51696
2523         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2524         correctly.
2525
2526 2012-01-04  Richard Guenther  <rguenther@suse.de>
2527
2528         PR middle-end/51750
2529         * tree.c (size_low_cst): New function.
2530         * tree.h (size_low_cst): Declare.
2531         * fold-const.c (fold_comparison): Use it to extract the low
2532         part of the POINTER_PLUS_EXPR offset.
2533
2534 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2535
2536         Fix clearing ZERO_REG
2537         * config/avr/avr.md (cc): Add alternative "ldi".
2538         (movqi_insn): Use it in cc attribute.
2539         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2540         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2541         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2542
2543 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2544
2545         * configure: Regenerate.
2546
2547 2012-01-04  Richard Guenther  <rguenther@suse.de>
2548
2549         PR tree-optimization/49651
2550         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2551         (var_can_have_subvars): Use it.
2552         (get_constraint_for_1): Only consider subfields if there can be any.
2553
2554 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR bootstrap/51725
2557         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2558         to its new canonical_cselib_val and the cselib_val was in
2559         first_containing_mem chain, but the canonical_cselib_val was not,
2560         add the latter into the chain.
2561         (cselib_invalidate_mem): Compare canonical_cselib_val of
2562         addr_list chain elt with v.
2563
2564         PR pch/51722
2565         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2566         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2567         of xstrdup.
2568         (output_macinfo_op): Don't ggc_strdup fd->filename.
2569         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2570         then ggc_strdup it.  Don't free inc->info or cur->info.
2571         (output_macinfo): Don't free ref->info or file->info.
2572
2573 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2574
2575         PR tree-optimization/51269
2576         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2577         first_niters a pointer.
2578         (slpeel_tree_peel_loop_to_edge): Likewise.
2579         (vect_do_peeling_for_loop_bound): Update call to
2580         slpeel_tree_peel_loop_to_edge.
2581         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2582         here.  Remove it from the parameters list.
2583         (vect_do_peeling_for_alignment): Update calls and compute
2584         wide_prolog_niters.
2585
2586 2012-01-03  Richard Guenther  <rguenther@suse.de>
2587
2588         PR tree-optimization/51070
2589         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2590         Properly handle calls.
2591
2592 2012-01-03  Richard Guenther  <rguenther@suse.de>
2593
2594         PR tree-optimization/51692
2595         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2596         the LHS of allocation stmts.
2597
2598 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2599
2600         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2601
2602 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2603
2604         * collect2.c (main): In AIX specific computations for vector
2605         insertions, use CONST_CAST2 to cast from char ** to const char **.
2606
2607 2012-01-03  Richard Guenther  <rguenther@suse.de>
2608
2609         PR debug/51650
2610         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2611         the context of a limbo DIE when it does not already exist.
2612
2613 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2614
2615         PR tree-optimization/51719
2616         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2617         but direct call is, clear direct call's lhs and don't add fallthrough
2618         edge from dcall_bb to join_bb and PHIs.
2619
2620 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2621
2622         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2623         the instructions emitted by the pattern.
2624         ("*TDC_insn_<mode>"): Add comment.
2625
2626 2012-01-03  Richard Guenther  <rguenther@suse.de>
2627
2628         PR middle-end/51730
2629         * fold-const.c (fold_comparison): Properly canonicalize
2630         tree offset and HOST_WIDE_INT bit position.
2631
2632 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2633
2634         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2635         operands for extzv pattern.
2636
2637 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2638
2639         PR bootstrap/51725
2640         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2641         on mem_elt first.
2642
2643 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2644
2645         * doc/invoke.texi (-flto and related options): Copy-edit.
2646
2647 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2648
2649         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2650
2651 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2652
2653         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2654         New patterns.
2655
2656 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2657
2658         * expr.h (move_by_pieces_ninsns): Declare.
2659         * expr.c (move_by_pieces_ninsns): Make external.
2660         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2661         (mips_store_by_pieces_p): Likewise.
2662         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2663         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2664         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2665         (mips_store_by_pieces_p): Likewise.
2666
2667 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2668
2669         * passes.c (register_one_dump_file): Free full_name.
2670
2671         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2672         (calculate_elim_costs_all_insns): Free offsets_at and
2673         offsets_known_at at the end and clear the pointers.
2674
2675 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2676
2677         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2678         this option introduced in r180739.
2679
2680 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2681
2682         PR target/51345
2683         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2684         (tmake_file target=avr): Add avr/t-multilib.
2685
2686         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2687         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2688         * config/avr/genmultilib.awk: New file.
2689         * config/avr/t-multilib: New auto-generated file.
2690         * config/avr/multilib.h: New auto-generated file.
2691         * config/avr/t-avr (AVR_MCUS): New variable.
2692         (genopt.sh): Use it.
2693         (s-mlib): Depend on t-multilib.
2694         (t-multilib, multilib.h): New dependencies.
2695         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2696         (MULTILIB_OPTIONS): Remove.
2697         (MULTILIB_MATCHES): Remove.
2698         (MULTILIB_DIRNAMES): Remove.
2699         (MULTILIB_EXCEPTIONS): Remove:
2700         * config/avr/genopt.sh: Don't use hard coded file name;
2701         pass AVR_MCUS from t-avr instead.
2702
2703 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2704
2705         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2706
2707 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2708
2709         Implement light-weight DImode support.
2710         * config/avr/avr-dimode.md: New file.
2711         * config/avr/avr.md: Include it.
2712         (adjust_len): Add plus64, compare64.
2713         (HIDI): Remove code iterator.
2714         (code_stdname): New code attribute.
2715         (rotx, rotsmode): Remove DI.
2716         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2717         as code iterator.
2718         * config/avr/avr-protos.h (avr_have_dimode): New.
2719         (avr_out_plus64, avr_out_compare64): New.
2720         * config/avr/avr.c (avr_out_compare): Handle DImode.
2721         (avr_have_dimode): New variable definition and initialization.
2722         (avr_out_compare64, avr_out_plus64): New functions.
2723         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2724         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2725         (avr_compare_pattern): Skip DImode comparisons.
2726
2727 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2728
2729         * ddg.c (def_has_ccmode_p): New function.
2730         (add_cross_iteration_register_deps,
2731         create_ddg_dep_from_intra_loop_link): Call it.
2732
2733 2012-01-02  Richard Guenther  <rguenther@suse.de>
2734
2735         PR other/51679
2736         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2737
2738 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2739
2740         * gcc.c (process_command): Update copyright notice dates.
2741         * gcov.c (print_version): Likewise.
2742         * gcov-dump.c (print_version): Likewise.
2743         * mips-tfile.c (main): Likewise.
2744         * mips-tdump.c (main): Likewise.
2745
2746 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2747
2748         PR tree-optimization/51704
2749         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2750         a use is inside the basic block or loop before accessing its vect info.
2751
2752 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2753
2754         PR rtl-optimization/51069
2755         * cfgloopmanip.c (remove_path): Removing path making irreducible
2756         region unconditional makes BB part of the region.
2757
2758 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2759
2760         PR tree-optimization/51683
2761         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2762         calls with side-effects.
2763         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2764 \f
2765 Copyright (C) 2012 Free Software Foundation, Inc.
2766
2767 Copying and distribution of this file, with or without modification,
2768 are permitted in any medium without royalty provided the copyright
2769 notice and this notice are preserved.