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