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2012-02-21 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-21  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/52324
4         * gimplify.c (gimplify_expr): When re-gimplifying expressions
5         do not gimplify a MEM_REF address operand if it is already
6         in suitable form.
7
8 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9
10         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
11         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
12
13 2012-02-21  Richard Guenther  <rguenther@suse.de>
14
15         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
16         nested_in_vect_loop.
17
18 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
19
20         PR tree-optimization/52318
21         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
22         vdef also to non-pure/const call stmts in the sequence.
23
24 2012-02-20  David S. Miller  <davem@davemloft.net>
25
26         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
27         don't use the "rd %pc" instruction on v9 for PIC register loads.
28
29 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
30
31         PR middle-end/52141
32         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
33         in a transaction safe function.
34
35 2012-02-20  Kai Tietz  <ktietz@redhat.com>
36
37         PR target/52238
38         * stor-layout.c (place_field): Handle desired_align for
39         ms-bitfields, too.
40
41 2012-02-20  Richard Guenther  <rguenther@suse.de>
42
43         PR tree-optimization/52298
44         * tree-vect-stmts.c (vectorizable_store): Properly use
45         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
46         outer loops.
47         (vectorizable_load): Likewise.
48         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
49         Access DR_STEP after ensuring it is not NULL.
50
51 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
52
53         PR tree-optimization/52286
54         * fold-const.c (fold_binary_loc): For (X & C1) | C2
55         optimization use double_int_to_tree instead of build_int_cst_wide,
56         rewrite to use double_int vars.
57
58 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
59
60         PR target/50166
61         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
62         Define _start.
63         Remove -e 0 from $gcc_cv_ld invocation.
64         Only use __GLIBC_PREREQ if defined.
65         Enable on Solaris since Solaris 8 patch.
66         (gcc_SUN_LD_VERSION): New macro.
67         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
68         gcc_SUN_LD_VERSION for version number format.
69         * configure: Regenerate.
70         * varasm.c (get_elf_initfini_array_priority_section): Set
71         SECTION_NOTYPE for non-default priority.
72         Use get_section instead of get_unnamed_section to emit
73         .init_array/.fini_array with default priority.
74
75 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
76
77         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
78         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
79         (mips_start_unique_function, mips_output_mips16_rdhwr)
80         (mips_code_end): New functions.
81         (TARGET_ASM_CODE_END): Define.
82
83 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
84
85         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
86         to stubs with non-sibling calls.
87
88 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
89
90         * doc/invoke.texi (-fira-* options): Copy-edit.
91         (ira-* parameters): Copy-edit.
92
93 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
94
95         * doc/invoke.texi: Minor copy-edits to bring into conformance with
96         GCC coding conventions.
97
98 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
99
100         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
101         when used as adjectives.
102
103 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
104
105         * doc/invoke.texi: Clean up "that"/"which" confusion.
106
107 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
108
109         * system.h: Poison SMALL_REGISTER_CLASSES
110         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
111         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
112
113 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
114
115         PR tree-optimization/52285
116         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
117         when deciding if a call is a tail call or tail recursion.
118
119 2012-02-16  Kai Tietz  <ktietz@redhat.com>
120
121         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
122         interger-constant displacement for UNSPEC_PCREL.
123
124 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
125
126         PR rtl-optimization/52208
127         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
128         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
129
130         PR tree-optimization/52255
131         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
132         loop->header has virtual PHI, but exit_e->dest doesn't, add
133         virtual PHI to exit_e->dest and adjust all uses after the loop.
134
135         PR debug/52260
136         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
137         children with clone_tree_hash, not after it.
138
139 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
140
141         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
142         extended identifiers.
143
144 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
145
146         PR middle-end/51929
147         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
148         a same_body_alias, also test whether e->callee isn't a former
149         or current clone of the decl this is a same body alias of.
150
151         PR translation/52264
152         * cgraphunit.c (verify_cgraph_node): Fix a typo.
153
154 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
155
156         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
157
158 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
159
160         PR target/52199
161         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
162         force_reg instead of copy_to_reg for better optimization.  Force
163         non-register or memory operands into a register.
164
165 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
166
167         * extend.texi: Reserve upper bits of memory model for future use.
168
169 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
170             Anatoly Sokolov <aesok@post.ru>
171             Eric Weddington <eric.weddington@atmel.com>
172
173         PR target/52261
174         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
175         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
176         Rewrite initializers for .macro.
177         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
178         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
179         atxmega32d4, atxmega32x1.
180         avrxmega4: atxmega64a3, atxmega64d3.
181         avrxmega5: atxmega64a1, atxmega64a1u.
182         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
183         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
184         avrxmega7: atxmega128a1, atxmega128a1u.
185         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
186         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
187         (struct base_arch_s): Rename reserved to xmega_p.
188         Rename reserved2 to have_rampd.
189         (AVR_XMEGA): New define.
190         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
191         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
192         * config/avr/predicates.md (io_address_operand): Take into
193         account SFR offset.
194         (low_io_address_operand): Ditto.
195         (high_io_address_operand): Ditto.
196         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
197         (enabled, movhi_sp_r): Use them.
198         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
199         cpp_define_formatted to built-in define __AVR_ARCH__.
200         (__AVR_XMEGA__): New built-in define.
201         (__AVR_HAVE_RAMPD__): New built-in define.
202         (__AVR_HAVE_RAMPX__): New built-in define.
203         (__AVR_HAVE_RAMPY__): New built-in define.
204         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
205
206         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
207         (avr_option_override): Initialize them.
208         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
209         (avr_init_expanders): Initialize them. No more block several calls.
210         (emit_push_sfr): New static function.
211         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
212         Handle AVR_XMEGA.
213         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
214         (avr_print_operand): Print addreeses as symbols for
215         RAMPX, RAMPY, RAMPD, CCP.
216         (output_movhi): Handle AVR_XMEGA when writing to SP.
217         (avr_out_movhi_mr_r_xmega): New static function.
218         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
219         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
220         __RAMPD__,  __CCP__ as needed.
221
222         * config/avr/multilib.h: Regenerate.
223         * config/avr/t-multilib: Regenerate.
224         * config/avr/avr-tables.opt: Regenerate.
225
226 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
227
228         PR tree-optimization/50561
229         * graphite-flattening.c (lst_project_loop): Do not
230         remove old scattering dimensions after flattening.
231         (lst_do_flatten): Likewise.
232
233 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
234
235         * doc/extend.texi (AVR Built-in Functions): Remove doc for
236         __builtin_avr_map8, __builtin_avr_map16.
237         Document __builtin_avr_insert_bits.
238
239         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
240         (insert_bits): New insn.
241         (adjust_len.map_bits): Rename to insert_bits.
242         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
243         * avr-protos.h (avr_out_map_bits): Remove.
244         (avr_out_insert_bits, avr_has_nibble_0xf): New.
245         * config/avr/constraints.md (Cxf,C0f): New.
246         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
247         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
248         New built-in define __BUILTIN_AVR_INSERT_BITS.
249         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
250         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
251         (avr_move_bits): Rewrite.
252         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
253         functions.
254         (avr_map_op_t): New typedef.
255         (avr_map_op): New static variable.
256         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
257         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
258         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
259         (bdesc_3arg, avr_expand_triop_builtin): New.
260         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
261         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
262         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
263         (avr_map_equal_p, avr_map_sig_p): Remove.
264         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
265         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
266         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
267         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
268         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
269         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
270
271 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
272
273         * config/c6x/c6x.md (reserve_cycles): New attribute.
274         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
275         don't reserve functional units after the branch occurs.
276
277 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
278
279         PR middle-end/52142
280         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
281         functions into non-tm_pure functions.
282
283 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
284
285         PR lto/52178
286         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
287         (iterative_hash_canonical_type): Likewise.
288         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
289         the dead edges.
290
291 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
292
293         * haifa-sched.c (prune_ready_list): Ensure that if there is a
294         sched-group insn, it either remains alone or the entire list is
295         pruned.
296
297 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
298
299         * doc/install.texi (Prerequisites): Fix grammar.
300         (Configuration): Likewise.
301
302 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
303
304         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
305         MPC as part of GCC before describing configuring with --with-gmp etc.
306         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
307         sources are present.
308
309 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
310
311         PR debug/51950
312         * dwarf2out.c (clone_tree_hash): New function.
313         (copy_decls_walk): Use it instead of clone_tree.
314
315 2012-02-14  Richard Guenther  <rguenther@suse.de>
316
317         PR tree-optimization/52244
318         PR tree-optimization/51528
319         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
320         replacements for integral types.
321
322 2012-02-14  Walter Lee  <walt@tilera.com>
323
324         * config.gcc: Handle tilegx and tilepro.
325         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
326         tilegx and tilepro.
327         Add HAVE_AS_TLS check for tilegx and tilepro.
328         * configure: Regenerate.
329         * doc/contrib.texi: Add Mat Hostetter and self.
330         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
331         Document instruction intrinsics and network accessing intrinsics.
332         (TILEPro Built-in Functions): New node.  Document instruction
333         intrinsics and network accessing intrinsics.
334         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
335         (Specific, tilepro-*-linux*): Likewise.
336         * doc/invoke.texi (TILE-Gx Options): New section.
337         (TILEPro Options): New section.
338         * doc/md.texi (TILE-Gx): New section.
339         (TILEPro): New section.
340         * common/config/tilegx/tilegx-common.c: New file.
341         * common/config/tilepro/tilepro-common.c: New file.
342         * config/tilegx/constraints.md: New file.
343         * config/tilegx/linux.h: New file.
344         * config/tilegx/mul-tables.c: New file.
345         * config/tilegx/predicates.md: New file.
346         * config/tilegx/sync.md: New file.
347         * config/tilegx/t-tilegx: New file.
348         * config/tilegx/tilegx-builtins.h: New file.
349         * config/tilegx/tilegx-c.c: New file.
350         * config/tilegx/tilegx-generic.md: New file.
351         * config/tilegx/tilegx-modes.def: New file.
352         * config/tilegx/tilegx-multiply.h: New file.
353         * config/tilegx/tilegx-protos.h: New file.
354         * config/tilegx/tilegx.c: New file.
355         * config/tilegx/tilegx.h: New file.
356         * config/tilegx/tilegx.md: New file.
357         * config/tilegx/tilegx.opt: New file.
358         * config/tilepro/constraints.md: New file.
359         * config/tilepro/gen-mul-tables.cc: New file.
360         * config/tilepro/linux.h: New file.
361         * config/tilepro/mul-tables.c: New file.
362         * config/tilepro/predicates.md: New file.
363         * config/tilepro/t-tilepro: New file.
364         * config/tilepro/tilepro-builtins.h: New file.
365         * config/tilepro/tilepro-c.c: New file.
366         * config/tilepro/tilepro-generic.md: New file.
367         * config/tilepro/tilepro-modes.def: New file.
368         * config/tilepro/tilepro-multiply.h: New file.
369         * config/tilepro/tilepro-protos.h: New file.
370         * config/tilepro/tilepro.c: New file.
371         * config/tilepro/tilepro.h: New file.
372         * config/tilepro/tilepro.md: New file.
373         * config/tilepro/tilepro.opt: New file.
374
375 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
376
377         PR tree-optimization/52210
378         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
379         vect_model_simple_cost with two entry vect_def_type array instead
380         of an address of dt.
381
382 2012-02-14  Richard Guenther  <rguenther@suse.de>
383
384         PR lto/52178
385         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
386         Do not stream DECL_QUALIFIER.
387         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
388         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
389         (find_decls_types_r): Do not walk DECL_QUALIFIER.
390
391 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
392
393         PR c/52181
394         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
395         newdecl.
396
397 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
398
399         PR bootstrap/52172
400         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
401         * cselib.c (cselib_subst_to_values_from_insn): New function.
402         * sched-deps.c (add_insn_mem_dependence,
403         sched_analyze_1, sched_analyze_2): Use it.
404
405 2012-02-13  Jan Hubicka  <jh@suse.cz>
406
407         PR middle-end/52214
408         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
409
410 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
411
412         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
413         (GTM_SELF_SPECS): Define if not already defined.
414         (driver_self_specs): Add GTM_SELF_SPECS.
415         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
416         (GTM_SELF_SPECS): Define.
417         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
418         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
419
420 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
421
422         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
423         away if seen.
424
425         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
426         non-NULL.
427
428         PR middle-end/52230
429         * omp-low.c (expand_omp_for): If a static schedule without
430         chunk size has NULL region->cont, force fd.chunk_size to be
431         integer_zero_node.
432
433 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
434
435         PR c/52190
436         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
437
438 2012-02-13  Richard Guenther  <rguenther@suse.de>
439
440         PR translation/52211
441         * passes.c (enable_disable_pass): Fix typo.
442
443 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
444
445         PR middle-end/52209
446         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
447         XOR for reduce_bit_field if type is unsigned.
448
449 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
450
451         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
452         disallow changes from SFmode to mode with different size in FP regs.
453
454 2012-02-12  Robert Millan  <rmh@gnu.org>
455             Gerald Pfeifer <gerald@pfeifer.com>
456
457         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
458         Tweak comment.
459
460 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
461
462         PR rtl-optimization/52175
463         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
464         to frame-related instructions.
465
466 2012-02-10  Jason Merrill  <jason@redhat.com>
467
468         PR c++/51910
469         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
470         (demangle_new_symbols): Fill it.
471         (scan_linker_output): Walk it.
472         (start_tweaking): Split out from scan_linker_output.
473         (maybe_tweak): Update sym->chosen.
474         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
475
476 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
477
478         PR debug/52132
479         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
480         get_true_reg.
481
482 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
483
484         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
485         having the same mode as previous compare.
486
487 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
488
489         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
490         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
491         (nonlocal_goto_internal): Likewise.
492         (nonlocal_goto): Emit a use and an indirect jump directly.
493
494 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
495
496         PR c/52190
497         * doc/extend.texi : Update comments for __atomic_compare_exchange and
498         __atomic_{is,always}_lock_free.
499
500 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
501
502         PR target/52146
503         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
504         negative constant address for x32.
505
506 2012-02-10  Richard Henderson  <rth@redhat.com>
507
508         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
509         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
510         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
511
512 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
513             Ira Rosen  <irar@il.ibm.com>
514
515         PR tree-optimization/50031
516         * targhooks.c (default_builtin_vectorization_cost): Handle
517         vec_promote_demote.
518         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
519         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
520         all types of reduction and pattern statements.
521         (vect_estimate_min_profitable_iters): Likewise.
522         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
523         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
524         for explicit realigns.
525         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
526         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
527         vec_promote_demote.
528         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
529         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
530         vec_perm for VSX and handle vec_promote_demote.
531
532 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
533
534         PR middle-end/52177
535         * builtins.c (fold_builtin_atomic_always_lock_free,
536         expand_builtin_atomic_always_lock_free,
537         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
538         Return and/or test boolean_true_node/boolean_false_node instead of
539         integer_one_node/integer_zero_node.
540
541 2012-02-10  Jan Hubicka  <jh@suse.cz>
542
543         PR middle-end/48600
544         * predict.c (predict_paths_for_bb): Prevent looping.
545         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
546
547 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
548
549         * config/arm/arm.c (output_move_double): In one case properly
550         count number of instructions that will be emitted.
551
552 2012-02-10  Richard Guenther  <rguenther@suse.de>
553
554         PR translation/52193
555         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
556
557 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
558
559         PR middle-end/52140
560         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
561
562 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
563
564         PR debug/52165
565         * var-tracking.c (emit_note_insn_var_location): If
566         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
567         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
568         non-NOTE_DURING_CALL_P insn.
569
570 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
571
572         PR middle-end/51867
573         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
574
575 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
576
577         PR driver/48524
578         * gcc.c (switch_matches) Support switches with separated form,
579         -D and -U.
580
581 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
582
583         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
584         (SP_ADDR): Ditto.
585         (RAMPZ_ADDR): Ditto.
586         * config/avr/avr.c (avr_addr_t): New typedef.
587         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
588         (avr_init_expanders): Initialize it.
589         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
590         SREG_ADDR.
591         (expand_epilogue): Ditto.
592         (avr_print_operand): Ditto.
593         (avr_file_start): Ditto.
594         (avr_emit_movmemhi): Ditto.
595
596 2012-02-08  Richard Guenther  <rguenther@suse.de>
597
598         PR tree-optimization/46886
599         * tree-flow.h (do_while_loop_p): Declare.
600         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
601         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
602
603 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
604
605         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
606         always succeed for integers larger than a native word.
607
608 2012-02-08  Richard Guenther  <rguenther@suse.de>
609
610         PR rtl-optimization/52170
611         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
612         properly handle integer vector modes.
613
614 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
615
616         PR gcov-profile/52150
617         * coverage.c: Include target.h.
618         (build_var): Call targetm.strip_name_encoding on the assembler name.
619         Change one _ into . or $ if the target allows it.
620         * Makefile.in (coverage.o): Depend on $(TARGET_H).
621
622         PR rtl-optimization/52139
623         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
624         is a BARRIER after emit_insn_after_noloc, move BB_END
625         to the last non-BARRIER insn before it.
626
627 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
628
629         PR middle-end/24306
630         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
631         (mips_gimplify_va_arg_expr): Call it instead of
632         std_gimplify_va_arg_expr.
633
634 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
635
636         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
637         message for -mno-pointers-to-nested-function.
638
639 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
640
641         PR middle-end/51994
642         * expr.c (get_inner_reference): If there is an offset, add a negative
643         bit position to it (if any).
644
645 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
646
647         PR rtl-optimization/52060
648         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
649         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
650         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
651         and/or i0src_copy2 when needed.
652
653 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
654
655         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
656         or LTOPLUGINSONAME if have_c.
657
658         * config/freebsd-spec.h: Add comment about what macros can be defined
659         in this header.
660         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
661         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
662         here instead.
663
664 2012-02-07  Richard Guenther  <rguenther@suse.de>
665
666         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
667         newline in -alias dumps.
668
669 2012-02-07  Kai Tietz  <ktietz@redhat.com>
670             Dave Korn  <dave.korn.cygwin@gmail.com>
671
672         PR target/40068
673         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
674         Take care that typinfo gets dllexport-attribute.
675
676 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
677
678         PR middle-end/52074
679         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
680         if modifier < EXPAND_SUM call force_operand on the result.
681
682 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
683
684         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
685         adding __forwarder_dst__ prefix if a forwarder_section attribute is
686         present.
687         (epiphany_function_type): Replace types for specific interrupts with
688         EPIPHANY_FUNCTION_INTERRUPT.
689         (EPIPHANY_INTERRUPT_P): Update.
690         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
691         New static function.
692         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
693         <disinterrupt>: Affects type identity.
694         (epiphany_handle_interrupt_attribute): Handle variable number of
695         arguments.
696         (epiphany_compute_function_type): Update for new
697         epiphany_function_type definition.
698         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
699         handlers with a longcall forwarder.
700         (epiphany_start_function): Handle multiple interrupt arguments and/or
701         forwarder_section attribute.
702
703         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
704         libgloss.
705
706 2012-02-07  Alan Modra  <amodra@gmail.com>
707
708         PR target/52107
709         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
710         subregs of TFmode.
711
712 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
713
714         PR tree-optimization/50969
715         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
716         use vec_perm rather than vector_stmt.
717         (vect_model_load_cost): Likewise.
718         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
719         vec_perm to be the same as other vector statements.
720         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
721         cost of vec_perm for TARGET_VSX.
722
723 2012-02-06  Richard Guenther  <rguenther@suse.de>
724
725         PR tree-optimization/52115
726         * tree-sra.c (access_has_replacements_p): New function.
727         (sra_modify_assign): Use it to decide whether a use is uninitialized.
728
729 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
730
731         PR middle-end/52047
732         * trans-mem.c (expand_call_tm): Add an assertion.
733         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
734         functions.
735
736 2012-02-06  Richard Guenther  <rguenther@suse.de>
737
738         PR tree-optimization/50955
739         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
740         raise cost of expressions that replace an address with an
741         expression based on a different pointer.
742
743 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
744
745         PR target/52129
746         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
747         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
748
749 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
750
751         PR c++/48680
752         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
753         -Weffc++ and specify guidelines come from second edition.
754
755 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
756
757         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
758         (sibcall_value_multiple_internal, call_split, call_internal_direct)
759         (call_direct_split, call_value_split, call_value_internal_direct)
760         (call_value_direct_split, call_value_multiple_split): Use jal and
761         jal_macro attributes.
762
763 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
764
765         * reload1.c (reload_regs_reach_end_p): Replace with...
766         (reload_reg_rtx_reaches_end_p): ...this function.
767         (new_spill_reg_store): Update commentary.
768         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
769         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
770         before setting new_spill_reg_store.
771         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
772         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
773         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
774         for non-spill reload registers.
775
776 2012-02-05  Ira Rosen  <irar@il.ibm.com>
777
778         PR tree-optimization/52091
779         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
780         (vect_is_simple_use_1): Likewise.
781         * tree-vect-loop.c (vectorizable_reduction): Update calls
782         to vect_is_simple_use_1 and vect_is_simple_use.
783         (vectorizable_live_operation): Likewise.
784         * tree-vect-patterns.c (widened_name_p,
785         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
786         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
787         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
788         vectorizable_shift,vectorizable_operation, vectorizable_store,
789         vectorizable_load): Likewise.
790         (vect_is_simple_cond): Add an argument, pass it to
791         vect_is_simple_use_1.
792         (vectorizable_condition): Update calls to vect_is_simple_cond,
793         vect_is_simple_use.
794         (vect_is_simple_use): Add an argument, the statement in which
795         OPERAND is used.  Check that if OPERAND's def stmt is a double
796         reduction phi node, the use is a phi node too.
797         (vect_is_simple_use_1): Add an argument, pass it to
798         vect_is_simple_use.
799         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
800         to vect_is_simple_use.
801
802 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
803
804         PR rtl-optimization/52095
805         * modulo-sched.c (dump_insn_locator): New function.
806         (loop_canon_p, sms_schedule): Use it.
807
808         PR rtl-optimization/52113
809         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
810         even for decomposable shift/zext insns.
811
812 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
813             Zdenek Dvorak  <ook@ucw.cz>
814
815         PR rtl-optimization/52092
816         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
817         on get_iv_value result.
818
819 2012-02-02  Andrew Pinski  <apinski@cavium.com>
820
821         PR middle-end/47982
822         PR middle-end/43967
823         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
824
825 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
826
827         PR middle-end/48071
828         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
829
830 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
831
832         PR rtl-optimization/49800
833         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
834         (sched_finish): Call regstat_free_n_sets_and_refs.
835
836 2012-02-02  Jia Liu  <proljc@gmail.com>
837
838         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
839         than operand 2.
840
841 2012-02-02 Jan Hubicka  <jh@suse.cz>
842            Tom de Vries  <tom@codesourcery.com>
843
844         PR middle-end/51998
845         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
846         * varpool.c (varpool_analyze_pending_decls): Likewise.
847
848 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
849             Jayant R Sonar <jayant.sonar@kpitcummins.com>
850
851         * config.gcc: Add cr16-* support.
852
853         * doc/extend.texi: Document cr16 extensions.
854         * doc/install.texi: Document cr16 install.
855         * doc/invoke.texi: Document cr16 options.
856         * doc/md.texi: Document cr16 constraints.
857
858         * common/config/cr16/cr16-common.c: New file.
859         * config/cr16/cr16.c: New file.
860         * config/cr16/cr16.h: New file.
861         * config/cr16/cr16.md: New file.
862         * config/cr16/cr16.opt: New file.
863         * config/cr16/cr16-protos.h: New file.
864         * config/cr16/predicates.md: New file.
865         * config/cr16/constraints.md: New file.
866         * config/cr16/t-cr16: New file.
867
868 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
869
870         PR target/52086
871         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
872         that operands[2] is either immediate, or q_regs_operand.
873
874         PR tree-optimization/52073
875         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
876         a pattern stmt for pattern uses, ignore uses outside of the loop.
877
878 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
879
880         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
881         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
882         (OUT_AS1, OUT_AS2): Remove.
883
884 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
885
886         PR rtl-optimization/51374
887         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
888         to cross other volatile_refs_p insns.
889
890 2012-02-01  Richard Guenther  <rguenther@suse.de>
891
892         * doc/invoke.texi (fno-inline): Clarify documentation.
893         (finline-small-functions): Likewise.
894         (finline-functions): Likewise.
895         * common.opt (finline): Adjust comment and documentation.
896         (finline-small-functions): Clarify documentation.
897         (finline-functions): Likewise.
898         (finline-functions-called-once): Likewise.
899
900 2012-02-01  Tristan Gingold  <gingold@adacore.com>
901
902         * c-typeck.c (composite_type): Keep mode for pointers.
903
904 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
905
906         * function.h (regno_reg_rtx): Adjust comment.
907         * reginfo.c (init_reg_modes_target): Only use the previous mode
908         if it fits within one register.  Remove MIPS comment.
909
910 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
911
912         PR bootstrap/52058
913         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
914
915 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
916
917         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
918         to srak instruction.
919
920 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
921
922         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
923
924 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
925
926         PR bootstrap/52041
927         PR bootstrap/52039
928         PR target/51974
929         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
930
931 2012-01-31  Richard Guenther  <rguenther@suse.de>
932
933         PR tree-optimization/51528
934         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
935         assigns.
936
937 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
938
939         PR bootstrap/52041
940         PR bootstrap/52039
941         PR target/51974
942         * ree.c (add_removable_extension): Change def_map argument
943         to unsigned *, store in def_map 1 + offset into *insn_list vector
944         instead of pointers into the vector.
945         (find_removable_extensions): Adjust caller.
946
947 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
948
949         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
950         Transform all "* quoted-c-code" to { c-code }.
951         Remove redundant test for "optimize" in combine patterns.
952         Move (include "avr-dimode.md") to end of file.
953
954 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
955
956         PR target/51835
957         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
958         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
959
960 2012-01-30  Richard Guenther  <rguenther@suse.de>
961
962         PR tree-optimization/52028
963         * tree-loop-distribution.c (ldist_gen): Properly update
964         virtual SSA form.
965
966 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
967
968         PR debug/52027
969         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
970         set_cur_line_info_table if not emitting debug info.
971
972         PR tree-optimization/52046
973         * tree-vect-patterns.c (check_bool_pattern): Give up if
974         a comparison could throw.
975
976         PR debug/52048
977         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
978
979 2012-01-30  Richard Guenther  <rguenther@suse.de>
980
981         PR tree-optimization/52045
982         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
983         SSA form if cfgcleanup did anything.
984
985 2012-01-30  Richard Guenther  <rguenther@suse.de>
986
987         PR tree-optimization/52045
988         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
989         before computing final todo.
990
991 2012-01-30  Richard Guenther  <rguenther@suse.de>
992
993         PR tree-optimization/51528
994         * tree-sra.c (sra_modify_assign): Re-factor in preparation
995         for PR51528 fix.
996
997 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
998
999         * df-problems.c (df_kill_notes): Check that the use refers
1000         to the note under examination.
1001
1002 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1003
1004         PR target/51920
1005         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1006         parameter and use short-lived pseudos.
1007         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1008         (sparc_expand_vector_init): Const-ify local variables and adjust
1009         calls to above functions.
1010
1011 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1012
1013         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1014
1015 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1016
1017         * doc/invoke.texi: Make usage of "compile time" and
1018         "run time"/"runtime" consistent throughout the file.
1019
1020 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1021
1022         * config/alpha/alpha.c (alpha_option_override): Default to
1023         full IEEE compliance mode for Go language.
1024
1025 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1026
1027         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1028         (LINK_SSP_SPEC): Define.
1029
1030 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1031
1032         PR target/51871
1033         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1034         stubs.
1035
1036 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1037
1038         * doc/invoke.texi: Correct hyphenation of "floating point",
1039         "double precision", and related terminology throughout the file.
1040
1041 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1042
1043         PR target/52006
1044         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1045         arm_general_register_operand predicate for operand 2 instead of
1046         register_operand.
1047
1048 2012-01-27  Ian Lance Taylor  <iant@google.com>
1049
1050         PR go/47656
1051         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1052         * builtins.c (expand_builtin_init_trampoline): Add onstack
1053         parameter.  Change caller.
1054         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1055         * tree.c (build_common_builtin_nodes): Declare
1056         __builtin_init_heap_trampoline.
1057
1058 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1059
1060         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1061         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1062         * config/avr/avr.c: Ditto.
1063         (avr_regnames): Remove because unused.
1064         * config/avr/avr.md (*cpse.ne): New peephole.
1065         (*cpse.eq): New peephole from former cpse peepholes.
1066
1067 2012-01-27  Michael Eager  <eager@eagercon.com>
1068
1069         * config/microblaze.c (microblaze_emit_compare): Correct
1070         test after pcmp instruction.
1071
1072 2012-01-27  Richard Guenther  <rguenther@suse.de>
1073
1074         PR tree-optimization/52020
1075         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1076
1077 2012-01-27  Richard Guenther  <rguenther@suse.de>
1078
1079         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1080         function non-const/pure.
1081
1082 2012-01-27  Richard Guenther  <rguenther@suse.de>
1083
1084         PR tree-optimization/50444
1085         * tree-sra.c (build_ref_for_offset): Properly adjust the
1086         MEM_REF type for unaligned accesses.
1087
1088 2012-01-27  Richard Guenther  <rguenther@suse.de>
1089
1090         PR tree-optimization/50444
1091         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1092         (expand_assignment): Use it.  Properly handle misaligned
1093         bases when expanding stores to component references.
1094         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1095         refactor that case.
1096
1097 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1098
1099         PR middle-end/51389
1100         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1101         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1102         * tree-data-ref.c (find_data_references_in_loop): Make static.
1103         (compute_all_dependences): Change return type to bool.  Bail out
1104         for too many datarefs in a loop.  Move the hunk resetting the data
1105         dependences vector from ...
1106         (compute_data_dependences_for_loop): ... here.  Account for
1107         compute_all_dependences returning false.
1108         (compute_data_dependences_for_bb): Likewise.
1109         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1110         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1111
1112 2012-01-27  Richard Guenther  <rguenther@suse.de>
1113
1114         PR middle-end/51959
1115         * expr.c (store_field): Use the alias-set of the scratch memory
1116         for storing to it.
1117
1118 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1119
1120         PR tree-optimization/51990
1121         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1122         WITH_SIZE_EXPR.
1123         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1124
1125 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1126
1127         PR debug/52001
1128         * var-tracking.c (reverse_op): Don't add any reverse operation
1129         if V already has any constant locations.
1130
1131 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1132
1133         * doc/invoke.texi: Correct usage of "command line" (noun)
1134         vs "command-line" (adjective) throughout.
1135
1136 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1137
1138         * doc/invoke.texi (Language Independent Options): Move
1139         -Wcoverage-mismatch blurb from here....
1140         (Warning Options): ...to here.
1141
1142 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1143
1144         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1145         Set rs6000_always_hint to false for 476.
1146
1147 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1148
1149         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1150           system root.
1151         * incpath.c (add_standard_paths): Likewise.
1152
1153 2012-01-27  Richard Henderson  <rth@redhat.com>
1154
1155         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1156         * config/m68k/sync.md (atomic_test_and_set): Rename from
1157         sync_test_and_setqi and adjust the operands.
1158         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1159         and unconditionally enable.
1160
1161 2012-01-27  Richard Henderson  <rth@redhat.com>
1162
1163         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1164         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1165         (ldstub): Rename from ldstubqi.
1166         (ldstub<I24MODE>): Remove.
1167
1168 2012-01-27  Richard Henderson  <rth@redhat.com>
1169
1170         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1171         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1172         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1173         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1174         * doc/tm.texi: Rebuild.
1175
1176 2012-01-27  Richard Henderson  <rth@redhat.com>
1177
1178         * optabs.c (gen_atomic_test_and_set): Remove default.
1179         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1180
1181 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1182
1183         PR rtl-optimization/51978
1184         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1185         (combine_reaching_defs): Likewise.
1186         (struct re_info): Remove.
1187         (add_removable_extension): Remove x and data arguments,
1188         add insn, insn_list and def_map.  Use the arguments directly
1189         instead of using struct re_info.
1190         (find_removable_extensions): Don't call add_removable_extension
1191         through note_stores, instead just call it with single_set
1192         result if non-NULL.
1193         (find_and_remove_re): Pass curr_cand->expr instead of
1194         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1195
1196 2012-01-26  Michael Matz  <matz@suse.de>
1197
1198         PR tree-optimization/46590
1199         * cfgexpand.c: Revert last change (r183305).
1200         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1201         regs.
1202         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1203         checking for emptiness.
1204
1205 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1206
1207         PR middle-end/51895
1208         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1209         non-addressable non-BLKmode base correctly.
1210
1211 2012-01-26  Michael Matz  <matz@suse.de>
1212
1213         PR tree-optimization/48794
1214         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1215         regions referenced from RESX/EH_DISPATCH.
1216
1217 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1218
1219         * config/s390/s390.h: Make BRANCH_COST an option.
1220         * config/s390/s390.opt: New option -mbranch-cost.
1221
1222 2012-01-26  Richard Henderson  <rth@redhat.com>
1223
1224         Revert 2012-01-24 change:
1225         * trans-mem.c (requires_barrier): Do not instrument thread local
1226         variables and emit save/restore for them.
1227
1228 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1229
1230         PR middle-end/51986
1231         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1232         for pat == 0.
1233
1234 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1235
1236         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1237         ASM_OPERANDS.
1238
1239 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1240
1241         PR target/49868
1242         Rename __pgm to __flash.
1243         Rename __pgm1 to __flash1.
1244         Rename __pgm2 to __flash2.
1245         Rename __pgm3 to __flash3.
1246         Rename __pgm4 to __flash4.
1247         Rename __pgm5 to __flash5.
1248         Rename __pgmx to __memx.
1249         * doc/extend.texi (AVR Named Address Spaces)
1250         Rename address space names as indicated above.
1251         * config/avr/avr.c (avr_addrspace): Ditto.
1252
1253         * config/avr/avr-protos.h
1254         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1255         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1256         * config/avr/predicates.md: Ditto.
1257         * config/avr/avr.c Ditto, and
1258         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1259         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1260
1261         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1262         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1263         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1264         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1265         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1266         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1267         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1268         * config/avr/avr.c: Ditto.
1269         * config/avr/avr.md: Ditto.
1270
1271 2012-01-25  Jason Merrill  <jason@redhat.com>
1272
1273         PR c++/51992
1274         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1275
1276 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1277
1278         PR tree-optimization/51987
1279         * tree-data-ref.c (get_references_in_stmt): Handle references in
1280         non-volatile GIMPLE_ASM.
1281
1282 2012-01-25  Richard Guenther  <rguenther@suse.de>
1283
1284         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1285         bases are dereferenced.
1286
1287 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1288
1289         PR rtl-optimization/48374
1290         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1291
1292 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1293
1294         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1295         compute_data_dependences_for_loop returns false.
1296         * tree-parloops.c (loop_parallel_p): Likewise.
1297
1298 2012-01-25  Richard Guenther  <rguenther@suse.de>
1299
1300         * tree.h (get_pointer_alignment_1): Declare.
1301         * builtins.c (get_pointer_alignment_1): New function.
1302         (get_pointer_alignment): Use it.
1303
1304 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1305
1306         PR rtl-optimization/48308
1307         * combine.c (enum undo_kind): Add UNDO_LINKS.
1308         (struct undo): Add member l to other_contents and where.
1309         (do_SUBST_LINK): New.
1310         (SUBST_LINK): New.
1311         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1312         (undo_all): Handle UNDO_LINKS.
1313
1314 2012-01-25  Richard Henderson  <rth@redhat.com>
1315
1316         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1317         mem inputs.
1318
1319 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1320
1321         * optabs.c (gen_atomic_test_and_set): Use each argument.
1322
1323 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1324
1325         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1326         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1327         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1328         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1329         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1330         TARGET_PAIRED_SINGLE_FLOAT.
1331
1332 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1333
1334         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1335         (in_struct, return_val): Remove MEM documentation.
1336         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1337         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1338         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1339         and MEM_SCALAR.
1340         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1341         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1342         * expr.c (store_field): Likewise.
1343         * function.c (assign_stack_temp_for_type): Likewise.
1344         * ifcvt.c (noce_try_cmove_arith): Likewise.
1345         * reload1.c (reload): Likewise.
1346         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1347         (alpha_set_memflags): Likewise.
1348         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1349
1350 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1351
1352         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1353         parameter.
1354         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1355         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1356         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1357         varies parameter.
1358         * cselib.c (cselib_rtx_varies_p): Delete.
1359         (cselib_invalidate_mem): Update call to canon_true_dependence.
1360         * dse.c (record_store, check_mem_read_rtx): Likewise.
1361         (scan_reads_nospill): Likewise.
1362         * cse.c (check_dependence): Likewise.
1363         (cse_rtx_varies_p): Delete.
1364         * expr.c (safe_from_p): Update call to true_dependence.
1365         * ira.c (validate_equiv_mem_from_store): Likewise.
1366         (memref_referenced_p): Likewise.
1367         * postreload-gcse.c (find_mem_conflicts): Likewise.
1368         * sched-deps.c (sched_analyze_2): Likewise.
1369         * store-motion.c (load_kills_store): Likewise.
1370         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1371         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1372         (compute_transp): Update call to canon_true_dependence.
1373
1374 2012-01-25  Richard Henderson  <rth@redhat.com>
1375
1376         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1377         (maybe_emit_atomic_test_and_set): New.
1378         (expand_sync_lock_test_and_set): Use it.
1379         (expand_atomic_test_and_set): Likewise.
1380         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1381         the implementation; clarify implementation defined details.
1382         * doc/md.texi (atomic_test_and_set): Document.
1383
1384 2012-01-25  Richard Henderson  <rth@redhat.com>
1385
1386         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1387
1388 2012-01-25  Richard Henderson  <rth@redhat.com>
1389
1390         PR target/51968
1391         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1392         to effect no-op split.
1393
1394 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1395
1396         PR lto/51698
1397         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1398         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1399         (BT_FN_VOID_PTR_INT_SIZE): New.
1400         (BT_FN_UINT_UINT_VAR): Remove.
1401         (BT_FN_UINT32_UINT32_VAR): New.
1402         (BT_FN_DOUBLE_VPTR): Remove.
1403         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1404
1405         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1406         (_ITM_changeTransactionMode): Same.
1407         (_ITM_memmoveRtWt): Change return type to void.
1408         (_ITM_memcpyRtWt): Same.
1409         (_ITM_memsetW): Same.
1410         (_ITM_RaRD): Change types to double.
1411         (_ITM_RD): Same.
1412         (_ITM_RaWD): Same.
1413         (_ITM_RfWD): Same.
1414
1415         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1416
1417 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1418             Patrick Marlier  <patrick.marlier@gmail.com>
1419
1420         * trans-mem.c (requires_barrier): Do not instrument thread local
1421         variables and emit save/restore for them.
1422
1423 2012-01-24  Jason Merrill  <jason@redhat.com>
1424
1425         PR c++/51812
1426         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1427         output static aliases.
1428
1429 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1430
1431         PR driver/47249
1432         * common.opt (-pie, -shared, pie, shared): Change from Common to
1433         Driver.
1434         * gcc.c (display_help): Display help for -pie and -shared.
1435
1436 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1437
1438         PR target/49868
1439         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1440         Remove note on size/offset limitation.
1441         (AVR Variable Attributes): Add example how to read data located
1442         with progmem.  Refer to named address spaces.
1443         * doc/invoke.texi (AVR Options): Fix typo.
1444
1445 2012-01-24  Richard Guenther  <rguenther@suse.de>
1446
1447         Forward-port to trunk
1448         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1449
1450         PR middle-end/45678
1451         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1452         op0 isn't sufficiently aligned and there is movmisalignM
1453         insn for mode, use it to load op0 into a temporary register.
1454
1455 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR target/51957
1458         * target.def (const_not_ok_for_debug_p): New hook.
1459         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1460         documentation.
1461         * doc/tm.texi: Regenerated.
1462         * dwarf2out.c (const_ok_for_output_1): If
1463         targetm.const_not_ok_for_debug_p returns true, fail.
1464         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1465         function.
1466         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1467
1468 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1469
1470         PR target/51900
1471         * config/i386/predicates.md (symbolic_operand): Allow
1472         UNSPEC_PCREL as PIC expression for lea.
1473         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1474         * config/i386/i386.c (ix86_delegitimize_address): Handle
1475         UNSPEC_PCREL for none-MEM, too.
1476
1477 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1478
1479         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1480         (ipa_tm_create_version_alias): Same.
1481
1482 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1483
1484         PR libitm/51830
1485         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1486         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1487
1488 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1489             Patrick Marlier  <patrick.marlier@gmail.com>
1490             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1491
1492         PR lto/51916
1493         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1494         simple_object_start_read.
1495
1496 2012-01-23  Richard Guenther  <rguenther@suse.de>
1497
1498
1499         PR tree-optimization/51895
1500         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1501         parameter decomposition into BLKmode components.
1502
1503 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1504
1505         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1506         fake variables for restrict-qualified pointers whose pointed-to type
1507         contains a placeholder.
1508
1509 2012-01-23  Richard Guenther  <rguenther@suse.de>
1510
1511         PR tree-optimization/51949
1512         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1513
1514 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1515
1516         PR rtl-optimization/51933
1517         * ree.c (transform_ifelse): Return true right away if dstreg is
1518         already wider or equal to cand->mode.
1519         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1520         (make_defs_and_copies_lists): Remove defs_list and copies_list
1521         arguments, add state argument, just truncate state->work_list
1522         instead of always allocating and freeing the vector.  Assert that
1523         get_defs succeeds instead of returning 2.  Changed return type to bool.
1524         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1525         have ext_src_mode, see if it has been modified already with the
1526         right kind of extension and has been extended before from the
1527         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1528         just return true.  Remember the original mode in state->modified array.
1529         (combine_reaching_defs): Add state argument.  Don't allocate and
1530         free here def_list, copied_list and vec vectors, instead just
1531         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1532         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1533         Add state variable, clear vectors in it, initialize state.modified
1534         if needed.  Free all the vectors at the end and state.modified too.
1535         Don't skip a candidate if the extension expression has been modified.
1536
1537 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1538
1539         PR target/47096
1540         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1541          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1542         (extra_options) interix.opt -> i386/interix.opt"
1543         (extra_objs):Add winnt-stubs.o
1544         * configure.ac: Add interix to target_os .comm on PE check.
1545         * configure: Regenerate.
1546         * config/interix3.h: Delete and move bits to..
1547         * config/interix.h: Delete and move bits to..
1548         * config/i386/i386-interix3.h: Delete and move bits to..
1549         * config/i386/i386-interix.h: ..here.
1550         (TARGET_CPU_DEFAULT): Remove redefinition.
1551         (TARGET_ASM_CONSTRUCTOR): Undefine.
1552         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1553         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1554         (PTRDIFF_TYPE): Define.
1555         (LONG_DOUBLE_TYPE_SIZE): Define.
1556         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1557         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1558         (TARGET_SECTION_TYPE_FLAGS): Define.
1559         (ASM_DECLARE_FUNCTION_NAME): Define.
1560         (ASM_OUTPUT_EXTERNAL): Define.
1561         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1562         (ASM_OUTPUT_ALIGNED_BSS): Define.
1563         (PCC_BITFIELD_TYPE_MATTERS): Define.
1564         (USE_CONST_SECTION): Define.
1565         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1566         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1567         (SUPPORTS_ONE_ONLY): Remove.
1568         (I386_PE_STRIP_ENCODING): Define.
1569         * config/interix.opt: Delete and move bits to..
1570         * config/i386/interix.opt: ..here. New.
1571         (mpe-aligned-commons): Add.
1572         * config/i386/t-interix: Add copyright header.
1573         (winnt-stubs.o): Add rule.
1574
1575 2012-01-22  Jason Merrill  <jason@redhat.com>
1576
1577         PR c++/51832
1578         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1579         for extra name aliases.
1580
1581 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1582
1583         PR rtl-optimization/51924
1584         * ree.c (combine_set_extension): Improve debugging message.
1585         (combine_reaching_defs): Likewise.
1586         (get_defs): Rename confusingly named variable.
1587         (find_and_remove_re): Skip a candidate if the extension expression has
1588         been modified.
1589
1590 2012-01-21  Robert Millan  <rmh@gnu.org>
1591             Gerald Pfeifer  <gerald@pfeifer.com>
1592
1593         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1594         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1595
1596 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR tree-optimization/51914
1599         * tree-vect-stmts.c (vectorizable_conversion): For
1600         cvt_type && modifier == WIDEN, put temporary with cvt_type
1601         at the beginning of vec_dsts and set vec_dest to temporary
1602         with vectype_out.
1603
1604 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1605
1606         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1607
1608 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1609
1610         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1611         * config/rs6000/rs6000.c: Likewise.
1612
1613 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1614
1615         PR target/51915
1616         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1617         output_move_double on a copy of operands array.
1618
1619 2012-01-20  Cary Coutant  <ccoutant@google.com>
1620             Dodji Seketeli  <dodji@redhat.com>
1621
1622         PR debug/45682
1623         * dwarf2out.c (copy_declaration_context): Return ref to parent
1624         of declaration DIE, if necessary.
1625         (remove_child_or_replace_with_skeleton): Add new parameter; update
1626         caller.  Place skeleton DIE under parent DIE of original declaration.
1627         Move call to copy_declaration_context to here ...
1628         (break_out_comdat_types): ... from here.
1629
1630 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1631
1632         PR rtl-optimization/51856
1633         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1634         flag to reloaded.
1635
1636 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1637
1638         PR target/51819
1639         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1640         hints for neon loads and stores.
1641
1642 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1643
1644         PR target/49868
1645         PR target/50887
1646         * doc/extend.texi (Named Address Spaces): Split into subsections.
1647         (AVR Named Address Spaces): New subsection.
1648         (M32C Named Address Spaces): New subsection.
1649         (RL78 Named Address Spaces): New subsection.
1650         (SPU Named Address Spaces): New subsection.
1651         (Variable Attributes): New anchor "AVR Variable Attributes".
1652         (AVR Variable Attributes): Rewrite and avoid wording
1653         "address space" in this context.
1654         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1655         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1656         (AVR Built-in Macros): New subsubsection therein.
1657         * doc/md.texi (AVR constraints): Remove "C04", "R".
1658
1659 2012-01-20  Richard Guenther  <rguenther@suse.de>
1660
1661         PR tree-optimization/51903
1662         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1663         when removing stmts.
1664
1665 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1666
1667         PR target/50313
1668         * config/arm/arm.c (arm_load_pic_register): Use
1669         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1670         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1671         (arm_pic_static_addr): Likewise.
1672         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1673         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1674         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1675         (pic_load_addr_unified): New.
1676
1677 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1678
1679         PR target/51106
1680         * function.c (instantiate_virtual_regs_in_insn): Use
1681         delete_insn_and_edges when removing a wrong asm insn.
1682
1683 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1684
1685         PR rtl-optimization/40761
1686         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1687         Add new member loop_num.
1688         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1689         (ira_build): Remove the parameter.
1690
1691         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1692         (ira.c): Do not build CFG loops for one region allocation.  Remove
1693         argument from ira_build call.
1694
1695         * ira-build.c (init_loop_tree_node): New function.
1696         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1697         loops are not built.
1698         (more_one_region_p): Check current_loops.
1699         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1700         built.
1701         (add_loop_to_tree): Process loop equal to NULL too.
1702         (form_loop_tree): Separate the case when CFG loops are not built.
1703         Use explicitly number for the root.
1704         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1705         an assertion.
1706         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1707         instead of loop->num.
1708         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1709         (mark_all_loops_for_removal): Ditto.
1710         (remove_unnecessary_regions): Separate the case when CFG loops
1711         are not built.
1712         (ira_build): Remove the parameter.  Use explicit number of regions
1713         when CFG loops are not built.
1714
1715         * ira-color.c (print_loop_title): Separate the case for the root node.
1716         Use loop_num instead of loop->num.
1717         (move_spill_restore): Use loop_num instead of loop->num.
1718
1719         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1720         (change_loop): Ditto.
1721         (change_loop): Use loop_num instead of loop->num.
1722
1723         * ira-lives.c (process_bb_node_lives): Ditto.
1724
1725         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1726
1727         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1728
1729 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1730
1731         PR libmudflap/40778
1732         * tree-mudflap.c (mf_artificial): New function.
1733         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1734         mx_register_decls, mudflap_enqueue_decl): Use it.
1735
1736         PR target/51876
1737         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1738         numbers in the insn pattern.
1739
1740 2012-01-19  Michael Matz  <matz@suse.de>
1741
1742         PR tree-optimization/46590
1743         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1744         use it in remembering which conflicts we already created.
1745         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1746         bitmap.
1747
1748 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1749
1750         PR lto/51280
1751         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1752         (merge_and_complain): Same.
1753
1754 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1755
1756         PR bootstrap/50237
1757         * config/initfini-array.h: Guard content of the header
1758         with #ifdef HAVE_INITFINI_ARRAY.
1759         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1760         Add initfini-array.h to tm_file here.
1761         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1762         * config.gcc: Don't add initfini-array.h to tm_file here.
1763         * configure: Regenerated.
1764
1765 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1766
1767         PR rtl-optimization/51505
1768         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1769         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1770         (df_note_bb_compute): Update the call to df_kill_notes.
1771
1772 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1773
1774         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1775
1776 2012-01-18  Richard Guenther  <rguenther@suse.de>
1777
1778         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1779         of conversions to void *.
1780
1781 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1782             Richard Sandiford  <rdsandiford@googlemail.com>
1783
1784         PR middle-end/50325
1785         PR middle-end/51192
1786         * optabs.h (simplify_expand_binop): Declare.
1787         * optabs.c (simplify_expand_binop): Make global.
1788         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1789         endian targets if the source cannot be exactly covered by word
1790         mode chunks.
1791
1792 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1793
1794         PR bootstrap/51872
1795         * hard-reg-set.h (struct hard_reg_set_container): New type.
1796         * target.h (struct hard_reg_set_container): Forward declare.
1797         * target.def (set_up_by_prologue): New target hook.
1798         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1799         * doc/tm.texi: Regenerated.
1800         * function.c (thread_prologue_and_epilogue_insns): Change
1801         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1802         Call targetm.set_up_by_prologue on it.
1803         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1804         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1805
1806 2012-01-17  Nick Clifton  <nickc@redhat.com>
1807
1808         * config/rx/rx.c (rx_can_use_simple_return): New function.
1809         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1810         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1811
1812 2012-01-17  Richard Guenther  <rguenther@suse.de>
1813
1814         PR middle-end/51782
1815         * expr.c (expand_assignment): Take address-space information
1816         from the address operand of MEM_REF and TARGET_MEM_REF.
1817         (expand_expr_real_1): Likewise.
1818
1819 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1820
1821         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1822         reload dump is requested.
1823
1824 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1825
1826         PR other/51165
1827         * trans-mem.c (requires_barrier): Call may_be_aliased.
1828
1829 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1830
1831         PR tree-optimization/51877
1832         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1833         call arguments and fndecls compare equal, instead return false if they
1834         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1835         both SSA_NAMEs that are valueized the same, or they satisfy
1836         operand_equal_p.
1837
1838 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1839
1840         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1841         Solaris 11+.
1842         * configure: Regenerate.
1843
1844 2012-01-16  Jan Hubicka  <jh@suse.cz>
1845
1846         PR c/12245
1847         PR c++/14179
1848         * convert.c (convert_to_integer): Use fold_convert for
1849         converting an INTEGER_CST to integer type.
1850
1851 2012-01-16  Jason Merrill  <jason@redhat.com>
1852
1853         PR c++/14179
1854         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1855
1856 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1857
1858         PR bootstrap/51860
1859         * config/s390/s390.c (s390_chunkify_start): Don't skip
1860         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1861         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1862         If insn is followed by NOTE_INSN_VAR_LOCATION or
1863         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1864         Don't use location of note insns.
1865
1866         PR tree-optimization/51865
1867         * tree-inline.c (tree_function_versioning): Call remap_decl
1868         on DECL_RESULT whenever it has VOID_TYPE_P type.
1869
1870 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1871
1872         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1873         for calls to locally-binding MIPS16 functions if only the return
1874         type uses float regs.
1875
1876 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1877             Richard Sandiford  <rdsandiford@googlemail.com>
1878
1879         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1880         (SYMBOL_32_HIGH): Likewise.
1881         (mips_output_tls_reloc_directive): Declare.
1882         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1883         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1884         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1885         (mips_lo_relocs, mips_hi_relocs): Make extern.
1886         (mips16_stub_function): Move up file.
1887         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1888         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1889         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1890         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1891         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1892         (mips_get_tp): Add MIPS16 support.
1893         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1894         Generalize DTPREL and TPREL handling.
1895         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1896         Add MIPS16 TLS support.
1897         (mips_output_tls_reloc_directive): New function.
1898         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1899         * config/mips/predicates.md (symbolic_operand_with_high)
1900         (tls_reloc_operand): New predicates.
1901         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1902         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1903         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1904         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1905         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1906         (*tls_get_tp_mips16_call_<mode>): Likewise.
1907
1908 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1909
1910         PR rtl-optimization/51821
1911         * recog.c (peep2_find_free_register): Determine clobbered registers
1912         from insn pattern.
1913
1914 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1915
1916         PR target/50925
1917         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1918         * config/avr/avr.c: Likewise.
1919         * config/avr/avr.h: Likewise.
1920
1921 2012-01-13  Ian Lance Taylor  <iant@google.com>
1922
1923         PR c++/50012
1924         * tree.h (TYPE_QUALS): Add cast to int.
1925         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1926
1927 2012-01-13  Ian Lance Taylor  <iant@google.com>
1928
1929         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1930         comparing param_index to VEC_length result.
1931
1932 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1933
1934         * c-decl.c: Do not include tree-mudflap.h
1935         * tree-optimize.c: Likewise.
1936         * Makefile.in: Update dependencies.
1937
1938 2012-01-13  Richard Guenther  <rguenther@suse.de>
1939
1940         PR middle-end/8081
1941         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1942         variable-sized result always use RSO.
1943
1944 2012-01-12  DJ Delorie  <dj@redhat.com>
1945
1946         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1947         pointer type, not just the default pointer type.
1948
1949 2012-01-09  Richard Henderson  <rth@redhat.com>
1950             Denis Chertykov  <chertykov@gmail.com>
1951
1952         PR target/50925
1953         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1954         * config/avr/avr.c (avr_can_eliminate): Simplify.
1955         (avr_initial_elimination_offset): Likewise.
1956         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1957         (expand_epilogue): Likewise.
1958         (avr_legitimize_address): Gut.
1959         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1960         (avr_hard_regno_nregs): New.
1961         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1962         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1963         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1964         add soft frame pointer.
1965         (CALL_USED_REGISTERS): Likewise.
1966         (REG_CLASS_CONTENTS): Likewise.
1967         (REGISTER_NAMES): Likewise.
1968         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1969         (HARD_FRAME_POINTER_REGNUM): New.
1970         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1971         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1972         remove the HARD_FRAME_POINTER self-elimination.
1973
1974 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1975
1976         PR target/51756
1977         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1978         DECL_EXTERNAL when checking for initializers of progmem variables.
1979
1980 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1981
1982         PR tree-optimization/51799
1983         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1984         that the last operation is a type demotion.
1985
1986 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1987
1988         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1989         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1990
1991 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1992
1993         PR bootstrap/51796
1994         * combine.c (distribute_notes): If i3 is a noreturn call,
1995         allow old_size to be equal to args_size and make sure the
1996         noreturn call gets REG_ARGS_SIZE note.
1997         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1998         on noreturn calls even when the delta is 0.
1999
2000 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2001
2002         * gcov.c (STRING_SIZE): Remove.
2003         (generate_results): Erase annotations for source files with no
2004         coverage information.
2005         (read_line): New.
2006         (output_lines): Use it.
2007
2008 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2009
2010         * gimple.h (gimplify_body): Remove first argument.
2011         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2012         pointer set here, instead just pass DATA to walk_tree.
2013         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2014         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2015         (unvisit_body): Likewise, but with unmark_visited.
2016         (gimplify_body): Remove BODY_P argument and adjust.
2017         (gimplify_function_tree): Adjust call to gimplify_body.
2018         * omp-low.c (finalize_task_copyfn): Likewise.
2019
2020 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2021
2022         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2023         (build_function_type_skip_args): Delete.
2024         * tree.c (build_function_type_skip_args): Make static and add
2025         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2026         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2027         pass it to build_function_type_skip_args.
2028         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2029         (tree_function_versioning): Likewise.
2030         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2031         build_function_decl_skip_args.
2032         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2033         and pass it to build_function_decl_skip_args/tree_function_versioning.
2034         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2035         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2036         * trans-mem.c (ipa_tm_create_version): Likewise.
2037         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2038         * tree-inline.c (declare_return_variable): Remove always-true test.
2039         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2040         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2041         * ipa-split.c (split_function): Skip the return value for the split
2042         part if it doesn't return.
2043
2044 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2045
2046         PR tree-optimization/49642
2047         * ipa-split.c (forbidden_dominators): New variable.
2048         (check_forbidden_calls): New function.
2049         (dominated_by_forbidden): Likewise.
2050         (consider_split): Check for forbidden dominators.
2051         (execute_split_functions): Initialize and free forbidden
2052         dominators info; call check_forbidden_calls.
2053
2054 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2055
2056         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2057
2058 2012-01-11  Nick Clifton  <nickc@redhat.com>
2059
2060         * config/rx/rx.md (return): Define pattern.
2061
2062 2012-01-11  Richard Guenther  <rguenther@suse.de>
2063
2064         * doc/extend.texi (malloc attribute): Adjust according to
2065         implementation.
2066
2067 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2068             Patrick Marlier  <patrick.marlier@gmail.com>
2069
2070         PR middle-end/51516
2071         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2072         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2073         (ipa_tm_note_irrevocable): Same.
2074         (ipa_tm_scan_irr_block): Same.
2075         (ipa_tm_decrement_clone_counts): Same.
2076         (ipa_tm_scan_irr_function): Same.
2077         (ipa_tm_create_version_alias): Same.
2078         (ipa_tm_create_version): Same.
2079         (ipa_tm_transform_calls_redirect): Same.
2080         (ipa_tm_transform_calls): Same.
2081         (ipa_tm_transform_transaction): Same.
2082         (ipa_tm_execute): Same.
2083
2084 2012-01-10  Richard Guenther  <rguenther@suse.de>
2085
2086         PR middle-end/51806
2087         * opts.c (common_handle_option): Handle -Werror.
2088
2089 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2090
2091         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2092         operand number.
2093
2094 2012-01-10  Jason Merrill  <jason@redhat.com>
2095
2096         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2097         information.
2098
2099 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2100
2101         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2102         supports R_386_TLS_GD_PLT reloc.
2103         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2104         supports R_386_TLS_LDM_PLT reloc.
2105         * configure: Regenerate.
2106         * config.in: Regenerate.
2107
2108 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2109
2110         PR target/49868
2111         Extend __pgmx semantics to linearize memory.
2112         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2113         determine if code comes inline or from libgcc.
2114         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2115         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2116         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2117         (movmemx_qi, movmemx_hi): New insns.
2118         (xload_<mode>_libgcc): Rewrite to new insn condition.
2119         (xload_<mode>): Remove insns.
2120         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2121         cases that don't satisfy avr_xload_libgcc_p().
2122         (avr_addr_space_convert): Allow converting in any direction.
2123         (avr_addr_space_subset_p): Return always true.
2124         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2125         (avr_emit_movmemhi): Ditto.
2126         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2127         (avr_out_movmem): Ditto.
2128         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2129         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2130         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2131         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2132         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2133
2134 2012-01-10  Richard Guenther  <rguenther@suse.de>
2135
2136         PR tree-optimization/50913
2137         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2138         Require data-refs to be representable by Graphite with respect
2139         to any loop nest.
2140
2141 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2142
2143         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2144         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2145
2146 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2147
2148         PR rtl-optimization/51271
2149         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2150         handling annulled branch.
2151
2152 2012-01-10  Richard Henderson  <rth@redhat.com>
2153
2154         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2155         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2156         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2157         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2158         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2159         arm_expand_vec_perm_const): New.
2160         * config/arm/arm-protos.h: Update.
2161         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2162         (*neon_vswp<VDQX>): New.
2163         (neon_vcombine<VDX>): Use neon_split_vcombine.
2164         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2165         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2166         (vec_perm<VE>): New.
2167
2168 2012-01-10  Richard Henderson  <rth@redhat.com>
2169
2170         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2171         use it if reload_completed.
2172         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2173         arm_output_asm_insn, arm_process_output_memory_barrier,
2174         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2175         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2176         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2177         arm_process_output_sync_insn, arm_output_sync_insn,
2178         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2179         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2180         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2181         (emit_unlikely_jump): New.
2182         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2183         (arm_split_atomic_op): New.
2184         * config/arm/arm-protos.h: Update.
2185         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2186         (struct arm_sync_generator): Remove.
2187         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2188         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2189         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2190         (VUNSPEC_LL, VUNSPEC_SC): New.
2191         (sync_result, sync_memory, sync_required_value, sync_new_value,
2192         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2193         (attr length): Don't use arm_sync_loop_insns.
2194         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2195         (movsfcc, movdfcc): Likewise.
2196         * config/arm/constraints.md (Ua): New.
2197         * config/arm/prediates.md (mem_noofs_operand): New.
2198         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2199         (sync_clobber, sync_t2_reqd): Remove.
2200         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2201         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2202         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2203         (arm_sync_compare_and_swap<SIDI>): Remove.
2204         (arm_sync_compare_and_swap<NARROW>): Remove.
2205         (arm_sync_lock_test_and_set<SIDI>): Remove.
2206         (arm_sync_lock_test_and_set<NARROW>): Remove.
2207         (arm_sync_new_<syncop><SIDI>): Remove.
2208         (arm_sync_new_<syncop><NARROW>): Remove.
2209         (arm_sync_new_nand<SIDI>): Remove.
2210         (arm_sync_new_nand<NARROW>): Remove.
2211         (arm_sync_old_<syncop><SIDI>): Remove.
2212         (arm_sync_old_<syncop><NARROW>): Remove.
2213         (arm_sync_old_nand<SIDI>): Remove.
2214         (arm_sync_old_nand<NARROW>): Remove.
2215         (*memory_barrier): Merge arm_output_memory_barrier.
2216         (atomic_compare_and_swap<QHSD>): New.
2217         (atomic_compare_and_swap<NARROW>_1): New.
2218         (atomic_compare_and_swap<SIDI>_1): New.
2219         (atomic_exchange<QHSD>): New.
2220         (cas_cmp_operand, cas_cmp_str): New.
2221         (atomic_op_operand, atomic_op_str): New.
2222         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2223         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2224         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2225         (arm_load_exclusive<NARROW>): New.
2226         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2227         (arm_store_exclusive<QHSD>): New.
2228
2229 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2230
2231         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2232         reload patterns if -mvsx-scalar-memory.
2233
2234         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2235         generated, even -mno-vsx-scalar-double was used.
2236         (vsx_xscvdpsp_scalar): Likewise.
2237         (vsx_xscvspdp_scalar2): Likewise.
2238
2239 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2240             Andrew Pinski  <apinski@cavium.com>
2241
2242         PR debug/51471
2243         * reorg.c (fill_slots_from_thread): Don't speculate
2244         frame-related insns.
2245
2246 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2247
2248         * sched-int.h (bb_note): Move to...
2249         * basic-block.h: ...here.
2250         * haifa-sched.c (bb_note): Move to...
2251         * cfgrtl.c: ...here.
2252         * function.c (next_block_for_reg): New function.
2253         (move_insn_for_shrink_wrap): Likewise.
2254         (prepare_shrink_wrap): Rewrite to use the above.
2255
2256 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2257
2258         * gimple.c (is_gimple_non_addressable): Remove.
2259         * gimple.h: Remove is_gimple_non_addressable.
2260         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2261         is_gimple_non_addressable.
2262         * trans-mem.c (expand_assign_tm): Same.
2263
2264 2012-01-09  Richard Guenther  <rguenther@suse.de>
2265
2266         PR tree-optimization/51775
2267         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2268         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2269
2270 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2271
2272         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2273         tuning parameters.
2274         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2275
2276 2012-01-09  Richard Guenther  <rguenther@suse.de>
2277
2278         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2279
2280 2012-01-08  Jan Hubicka  <jh@suse.cz>
2281
2282         PR tree-optimize/51680
2283         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2284         on when known_vals needs to be computed; cleanup.
2285
2286 2012-01-08  Jan Hubicka  <jh@suse.cz>
2287
2288         PR tree-optimize/51694
2289         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2290
2291 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2292
2293         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2294         for -std=c++98 and -std=c++11 too.
2295
2296 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2297
2298         * cfgloop.c (cancel_loop): Add free() of bbs array.
2299
2300 2012-01-07  Jan Hubicka  <jh@suse.cz>
2301
2302         PR tree-optimization/51600
2303         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2304         that benefits small functions.
2305
2306 2012-01-07  Jan Hubicka  <jh@suse.cz>
2307
2308         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2309
2310 2012-01-07  Jan Hubicka  <jh@suse.cz>
2311
2312         PR tree-optimization/51680
2313         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2314         whose inlining reduce unit size.
2315
2316 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2317
2318         PR bootstrap/51725
2319         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2320         Add canonical node to containing_mem chain after the non-canonical
2321         one, even if there weren't any locs to propagate.
2322         (remove_useless_values): Keep only canonical values.
2323         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2324         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2325         canonicalize mem_chain elements that are not discarded.
2326
2327 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2328
2329         PR target/47333
2330         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2331         before emitting functions.
2332
2333         PR gcov-profile/50127
2334         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2335         clear_aux_for_blocks.
2336
2337 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2338
2339         PR debug/51746
2340         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2341
2342 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2343
2344         * c-decl.c (ext_block): Moved up.
2345         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2346
2347 2012-01-06  Han Shen  <shenhan@google.com>
2348
2349         Translate built-in include paths for sysroot.
2350         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2351         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2352
2353         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2354         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2355
2356         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2357         control whether sysroot should be prepended to gxx include dir.
2358
2359         * configure: Regenerate.
2360
2361 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2362
2363         PR rtl-optimization/51771
2364         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2365         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2366
2367 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2368
2369         PR tree-optimization/51315
2370         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2371         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2372
2373 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2374
2375         PR target/51681
2376         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2377         for shrp pattern.  Correctly handle and fixup shift variable.
2378         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2379
2380 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2381
2382         PR debug/51762
2383         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2384         note when !ACCUMULATE_OUTGOING_ARGS.
2385
2386 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2387
2388         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2389         condition.
2390         (extract_range_from_unary_expr_1): Avoid useless computations.
2391
2392 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2393
2394         PR rtl-optimization/51767
2395         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2396         of jump_block and add an extra edge for degenerated asm gotos.
2397
2398         PR middle-end/51768
2399         * stmt.c (check_unique_operand_names): Don't ICE during error
2400         reporting if i is from labels chain.
2401
2402         PR middle-end/44777
2403         * profile.c (branch_prob): Split bbs that have exit edge
2404         and need a fake entry edge too.
2405
2406 2012-01-05  Jan Hubicka  <jh@suse.cz>
2407
2408         PR middle-end/49710
2409         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2410         unlooping loops.
2411
2412 2012-01-05  Richard Guenther  <rguenther@suse.de>
2413
2414         PR lto/50490
2415         * tree-streamer-out.c (write_ts_optimization): New function.
2416         (streamer_write_tree_body): Call it.
2417         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2418         (streamer_read_tree_body): Call it.
2419         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2420
2421 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2422
2423         PR middle-end/51761
2424         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2425         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2426         in_cleanup_point_expr before gimplify_stmt call and restore it
2427         afterwards.
2428         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2429         in_cleanup_point_expr is false.
2430
2431 2012-01-05  Richard Guenther  <rguenther@suse.de>
2432
2433         PR middle-end/51764
2434         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2435         to c.opt.
2436         * toplev.c (process_options): Reject combining mudflap and LTO.
2437         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2438
2439 2012-01-05  Richard Guenther  <rguenther@suse.de>
2440
2441         PR tree-optimization/51760
2442         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2443         not VARYING.
2444         (bit_value_unop): Handle UNDEFINED operands.
2445         (bit_value_binop): Likewise.
2446
2447 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2448
2449         * config/avr/avr.c (avr_replace_prefix): Remove.
2450         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2451         (avr_asm_function_rodata_section): Ditto.
2452         (avr_asm_select_section): Ditto.
2453
2454 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2455
2456         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2457         insertion.
2458
2459 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2460
2461         PR bootstrap/51648
2462         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2463         calls that have any non-fake successor edges.
2464
2465         PR debug/51746
2466         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2467
2468 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2469
2470         PR tree-optimization/51624
2471         * tree-sra.c (build_ref_for_model): When replicating a chain of
2472         COMPONENT_REFs, stop as soon as the offset would become negative.
2473
2474 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2475
2476         PR debug/51695
2477         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2478         in .debug_loc on the floor.
2479
2480 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2481
2482         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2483
2484 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2485             Adam Nemet  <anemet@caviumnetworks.com>
2486
2487         * config/mips/mips.md (size): Add SI and DI.
2488         (SIZE): New mode attribute.
2489         (U): New code attribute.
2490         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2491         (mips_lbux_<mode>): Delete.
2492         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2493         (mips_lhx): Use gen_mips_lhx_extsi.
2494         (mips_lhx_<mode>): Delete.
2495         (mips_lwx): Delete.
2496         (mips_l<size>x): New expand.
2497         (mips_lwx_<mode>): Delete.
2498         (mips_l<GPR:size>x_<P:mode>): New pattern.
2499         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2500         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2501         * config/mips/mips.c (mips_lx_address_p): New function.
2502         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2503         (dsp64): New availability predicate.
2504         (mips_builtins): Add an entry for __builtin_mips_ldx.
2505         * config/mips/mips.h (ISA_HAS_LBX): New define.
2506         (ISA_HAS_LBUX): Likewise.
2507         (ISA_HAS_LHX): Likewise.
2508         (ISA_HAS_LHUX): Likewise.
2509         (ISA_HAS_LWX): Likewise.
2510         (ISA_HAS_LWUX): Likewise.
2511         (ISA_HAS_LDX): Likewise.
2512         * doc/extend.texi (__builtin_mips_ldx): Document.
2513
2514 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2515
2516         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2517         when long pointers are used.
2518         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2519         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2520         (ia64-hp-*vms*): Remove.
2521         * config/vms/xm-vms64.h: Delete.
2522
2523 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2524
2525         PR middle-end/51472
2526         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2527
2528 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2529
2530         * opts.c (finish_options): Remove duplicate sorry.
2531
2532 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2533
2534         PR middle-end/51696
2535         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2536         correctly.
2537
2538 2012-01-04  Richard Guenther  <rguenther@suse.de>
2539
2540         PR middle-end/51750
2541         * tree.c (size_low_cst): New function.
2542         * tree.h (size_low_cst): Declare.
2543         * fold-const.c (fold_comparison): Use it to extract the low
2544         part of the POINTER_PLUS_EXPR offset.
2545
2546 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2547
2548         Fix clearing ZERO_REG
2549         * config/avr/avr.md (cc): Add alternative "ldi".
2550         (movqi_insn): Use it in cc attribute.
2551         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2552         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2553         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2554
2555 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2556
2557         * configure: Regenerate.
2558
2559 2012-01-04  Richard Guenther  <rguenther@suse.de>
2560
2561         PR tree-optimization/49651
2562         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2563         (var_can_have_subvars): Use it.
2564         (get_constraint_for_1): Only consider subfields if there can be any.
2565
2566 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2567
2568         PR bootstrap/51725
2569         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2570         to its new canonical_cselib_val and the cselib_val was in
2571         first_containing_mem chain, but the canonical_cselib_val was not,
2572         add the latter into the chain.
2573         (cselib_invalidate_mem): Compare canonical_cselib_val of
2574         addr_list chain elt with v.
2575
2576         PR pch/51722
2577         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2578         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2579         of xstrdup.
2580         (output_macinfo_op): Don't ggc_strdup fd->filename.
2581         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2582         then ggc_strdup it.  Don't free inc->info or cur->info.
2583         (output_macinfo): Don't free ref->info or file->info.
2584
2585 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2586
2587         PR tree-optimization/51269
2588         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2589         first_niters a pointer.
2590         (slpeel_tree_peel_loop_to_edge): Likewise.
2591         (vect_do_peeling_for_loop_bound): Update call to
2592         slpeel_tree_peel_loop_to_edge.
2593         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2594         here.  Remove it from the parameters list.
2595         (vect_do_peeling_for_alignment): Update calls and compute
2596         wide_prolog_niters.
2597
2598 2012-01-03  Richard Guenther  <rguenther@suse.de>
2599
2600         PR tree-optimization/51070
2601         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2602         Properly handle calls.
2603
2604 2012-01-03  Richard Guenther  <rguenther@suse.de>
2605
2606         PR tree-optimization/51692
2607         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2608         the LHS of allocation stmts.
2609
2610 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2611
2612         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2613
2614 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2615
2616         * collect2.c (main): In AIX specific computations for vector
2617         insertions, use CONST_CAST2 to cast from char ** to const char **.
2618
2619 2012-01-03  Richard Guenther  <rguenther@suse.de>
2620
2621         PR debug/51650
2622         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2623         the context of a limbo DIE when it does not already exist.
2624
2625 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2626
2627         PR tree-optimization/51719
2628         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2629         but direct call is, clear direct call's lhs and don't add fallthrough
2630         edge from dcall_bb to join_bb and PHIs.
2631
2632 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2633
2634         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2635         the instructions emitted by the pattern.
2636         ("*TDC_insn_<mode>"): Add comment.
2637
2638 2012-01-03  Richard Guenther  <rguenther@suse.de>
2639
2640         PR middle-end/51730
2641         * fold-const.c (fold_comparison): Properly canonicalize
2642         tree offset and HOST_WIDE_INT bit position.
2643
2644 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2645
2646         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2647         operands for extzv pattern.
2648
2649 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2650
2651         PR bootstrap/51725
2652         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2653         on mem_elt first.
2654
2655 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2656
2657         * doc/invoke.texi (-flto and related options): Copy-edit.
2658
2659 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2660
2661         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2662
2663 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2664
2665         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2666         New patterns.
2667
2668 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2669
2670         * expr.h (move_by_pieces_ninsns): Declare.
2671         * expr.c (move_by_pieces_ninsns): Make external.
2672         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2673         (mips_store_by_pieces_p): Likewise.
2674         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2675         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2676         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2677         (mips_store_by_pieces_p): Likewise.
2678
2679 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2680
2681         * passes.c (register_one_dump_file): Free full_name.
2682
2683         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2684         (calculate_elim_costs_all_insns): Free offsets_at and
2685         offsets_known_at at the end and clear the pointers.
2686
2687 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2688
2689         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2690         this option introduced in r180739.
2691
2692 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2693
2694         PR target/51345
2695         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2696         (tmake_file target=avr): Add avr/t-multilib.
2697
2698         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2699         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2700         * config/avr/genmultilib.awk: New file.
2701         * config/avr/t-multilib: New auto-generated file.
2702         * config/avr/multilib.h: New auto-generated file.
2703         * config/avr/t-avr (AVR_MCUS): New variable.
2704         (genopt.sh): Use it.
2705         (s-mlib): Depend on t-multilib.
2706         (t-multilib, multilib.h): New dependencies.
2707         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2708         (MULTILIB_OPTIONS): Remove.
2709         (MULTILIB_MATCHES): Remove.
2710         (MULTILIB_DIRNAMES): Remove.
2711         (MULTILIB_EXCEPTIONS): Remove:
2712         * config/avr/genopt.sh: Don't use hard coded file name;
2713         pass AVR_MCUS from t-avr instead.
2714
2715 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2716
2717         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2718
2719 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2720
2721         Implement light-weight DImode support.
2722         * config/avr/avr-dimode.md: New file.
2723         * config/avr/avr.md: Include it.
2724         (adjust_len): Add plus64, compare64.
2725         (HIDI): Remove code iterator.
2726         (code_stdname): New code attribute.
2727         (rotx, rotsmode): Remove DI.
2728         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2729         as code iterator.
2730         * config/avr/avr-protos.h (avr_have_dimode): New.
2731         (avr_out_plus64, avr_out_compare64): New.
2732         * config/avr/avr.c (avr_out_compare): Handle DImode.
2733         (avr_have_dimode): New variable definition and initialization.
2734         (avr_out_compare64, avr_out_plus64): New functions.
2735         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2736         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2737         (avr_compare_pattern): Skip DImode comparisons.
2738
2739 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2740
2741         * ddg.c (def_has_ccmode_p): New function.
2742         (add_cross_iteration_register_deps,
2743         create_ddg_dep_from_intra_loop_link): Call it.
2744
2745 2012-01-02  Richard Guenther  <rguenther@suse.de>
2746
2747         PR other/51679
2748         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2749
2750 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2751
2752         * gcc.c (process_command): Update copyright notice dates.
2753         * gcov.c (print_version): Likewise.
2754         * gcov-dump.c (print_version): Likewise.
2755         * mips-tfile.c (main): Likewise.
2756         * mips-tdump.c (main): Likewise.
2757
2758 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2759
2760         PR tree-optimization/51704
2761         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2762         a use is inside the basic block or loop before accessing its vect info.
2763
2764 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2765
2766         PR rtl-optimization/51069
2767         * cfgloopmanip.c (remove_path): Removing path making irreducible
2768         region unconditional makes BB part of the region.
2769
2770 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2771
2772         PR tree-optimization/51683
2773         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2774         calls with side-effects.
2775         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2776 \f
2777 Copyright (C) 2012 Free Software Foundation, Inc.
2778
2779 Copying and distribution of this file, with or without modification,
2780 are permitted in any medium without royalty provided the copyright
2781 notice and this notice are preserved.