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2012-04-16 Martin Jambor <mjambor@suse.cz>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2
3         Backported from mainline
4
5         2012-04-13  Martin Jambor  <mjambor@suse.cz>
6         PR middle-end/52939
7
8         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
9         fold_ctor_reference returns a zero constant.
10
11 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
12
13         Backported from mainline
14         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
15
16         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
17         and __ILP32__ for x32.
18
19 2012-04-13  Tom de Vries  <tom@codesourcery.com>
20
21         Backport from mainline r186418.
22
23         2012-04-13  Tom de Vries  <tom@codesourcery.com>
24
25         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
26         parameters vuse and vuse_escaped.
27         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
28         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
29         vuse1 != vuse2.
30
31 2012-04-13  Richard Guenther  <rguenther@suse.de>
32
33         PR tree-optimization/52969
34         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
35         the condition for the COND_EXPR and handle predicate negation
36         by swapping the COND_EXPR arms.
37
38 2012-04-13  Richard Guenther  <rguenther@suse.de>
39
40         PR c/52862
41         * convert.c (convert_to_pointer): Remove special-casing of
42         zero.
43
44 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
45
46         Backport from mainline
47         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
48
49         PR target/52775
50         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
51         the list of options to enable the FCFID instruction.
52         (TARGET_EXTRA_BUILTINS): Adjust comment.
53
54 2012-04-12  Richard Guenther  <rguenther@suse.de>
55
56         PR tree-optimization/52943
57         * tree-chrec.h (chrec_is_positive): Remove.
58         * tree-scalar-evolution.c (chrec_is_positive): Move ...
59         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
60         Return false for a constant zero instead of negative.
61         (analyze_siv_subscript_cst_affine): Handle zero difference
62         in the initial condition explicitely.
63
64 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
65
66         PR middle-end/52894
67         * varasm.c (process_pending_assemble_externals): Set
68         pending_assemble_externals_processed true.
69         (assemble_external): Call assemble_external_real if the pending
70         assemble externals have been processed.
71
72 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
73
74         PR target/52717
75         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
76         the DECL generated for the special GOT helper.
77
78 2012-04-06  Walter Lee  <walt@tilera.com>
79
80         Backport from mainline
81         2012-03-07  Walter Lee  <walt@tilera.com>
82
83         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
84         REG_CFA_* notes for the stack pointer.
85         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
86         EH_RETURN_STACKADJ_RTX.
87         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
88         generate REG_CFA_* notes for the stack pointer.
89         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
90         by EH_RETURN_STACKADJ_RTX.
91
92 2012-04-06  Matt Turner  <mattst88@gmail.com>
93
94         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
95
96 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
97
98         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
99         of the destination isn't also a FP_REGS register.
100
101 2012-04-03  Richard Guenther  <rguenther@suse.de>
102
103         Backport from mainline
104         2012-03-02  Richard Guenther  <rguenther@suse.de>
105
106         PR tree-optimization/52406
107         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
108         (struct indices): Add unconstrained_base member.
109         (struct dr_alias): Remove unused vops member.
110         (DR_UNCONSTRAINED_BASE): New define.
111         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
112         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
113         be an artificial access that covers the whole indexed object,
114         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
115         plain decl base-objects to their MEM_REF variant.
116         (dr_may_alias_p): When the base-object of either data reference
117         has unknown size use only points-to information.
118         (compute_affine_dependence): Make dumps easier to read and
119         more verbose.
120         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
121         DR_REF when looking for packed references.
122         (vect_supportable_dr_alignment): Likewise.
123
124 2012-04-03  Richard Guenther  <rguenther@suse.de>
125
126         Backport from mainline
127         2012-03-15  Richard Guenther  <rguenther@suse.de>
128
129         PR middle-end/52580
130         * tree-data-ref.c (subscript_dependence_tester_1): Check
131         all dimensions for non-conflicting access functions.
132
133 2012-04-03  Richard Guenther  <rguenther@suse.de>
134
135         Backport from mainline
136         2012-03-06  Richard Guenther  <rguenther@suse.de>
137
138         PR middle-end/52493
139         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
140
141         2012-03-23  Richard Guenther  <rguenther@suse.de>
142
143         PR tree-optimization/52678
144         * tree-vectorizer.h (struct _stmt_vec_info): Add
145         loop_phi_evolution_part member.
146         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
147         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
148         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
149         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
150         Use the cached evolution part and the PHI nodes value from
151         the loop preheader edge instead of re-analyzing the evolution.
152
153         2012-03-26  Richard Guenther  <rguenther@suse.de>
154
155         PR tree-optimization/52701
156         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
157         compute and set the evolution part of PHI nodes.
158
159         2012-03-30  Richard Guenther  <rguenther@suse.de>
160
161         PR tree-optimization/52754
162         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
163         propagate arbitrary addresses into really plain dereferences.
164
165 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
166
167         PR tree-optimization/52835
168         * tree-data-ref.c (build_rdg): Return NULL if
169         compute_data_dependences_for_loop failed.
170
171 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
172
173         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
174         (stmt_can_make_abnormal_goto): Use it.
175         (is_ctrl_altering_stmt): Likewise.
176
177 2012-03-31  Martin Jambor  <mjambor@suse.cz>
178
179         Backported from mainline
180         2012-03-30  Martin Jambor  <mjambor@suse.cz>
181
182         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
183         is a builtin_stack_save in a dominating BB.
184
185 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
186
187         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
188         crossing 128bit lane boundary.
189
190 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
191
192         Backported from mainline
193         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
194
195         PR target/52698
196         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
197         New prototype.
198         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
199         * config/i386/i386.c: Include reload.h.
200         (ix86_legitimize_reload_address): New function.
201
202 2012-03-28  Martin Jambor  <mjambor@suse.cz>
203
204         Backported from mainline
205         2012-03-27  Martin Jambor  <mjambor@suse.cz>
206
207         PR middle-end/52693
208         * tree-sra.c (sra_modify_assign): Do not call
209         load_assign_lhs_subreplacements when working with an unscalarizable
210         region.
211
212 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
213
214         PR middle-end/52691
215         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
216         __builtin_va_start to __builtin_next_arg if the latter is
217         builtin_decl_explicit_p rather than when it is not.
218
219         PR middle-end/52750
220         * tree-vect-generic.c (vector_element): Perform multiplication
221         for pos in bitsizetype type instead of idx type.
222
223 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
224
225         Backport from 2012-03-28 mainline r185910.
226
227         PR target/52692
228         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
229         (avr_builtin_decl): New static function.
230         (struct avr_builtin_description, avr_bdesc): Move up.
231         Add GTY marker. Add field fndecl. Remove redundant field id.
232         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
233         (avr_expand_builtin): Code cleanup because .id is removed.
234
235 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
236
237         PR middle-end/51893
238         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
239         targets.
240
241 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
242
243         Backport from 2012-03-28 mainline r185907.
244
245         PR target/52737
246         * config.gcc (tm_file): Remove avr/multilib.h.
247
248         * doc/invoke.texi (AVR Options): Adjust
249         documentation of -mtiny-stack.
250
251         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
252         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
253         * config/avr/t-avr: Remove generation of multilib.h.
254         * config/avr/t-multilib: Regenerate.
255         * config/avr/multilib.h: Remove.
256         * config/avr/avr.opt (-msp8): New option.
257         (avr_sp8): New variable.
258         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
259         * config/avr/avr.h (AVR_HAVE_SPH): New define.
260         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
261         (avr_device_to_sp8): New prototype.
262         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
263         (DRIVER_SELF_SPECS): New define.
264         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
265         __AVR_SP8__, __AVR_HAVE_SPH__.
266         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
267         AVR_HAVE_8BIT_SP to decide if SP_H is present.
268         (avr_file_start): Ditto.
269
270 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
271
272         PR target/52736
273         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
274         instead of 8 in adjust_address.
275
276 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
277
278         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
279         of a unit before computing the offset in units.
280
281 2012-03-27  Richard Guenther  <rguenther@suse.de>
282
283         PR middle-end/52720
284         * fold-const.c (try_move_mult_to_index): Handle &x.array more
285         explicitely.
286
287 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
288
289         PR target/52610
290         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
291
292 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
293
294         PR middle-end/52640
295         * varasm.c: Include pointer-set.h.
296         (pending_assemble_externals_set): New pointer set.
297         (process_pending_assemble_externals): Destroy the pointer set.
298         (assemble_external): See if decl is in pending_assemble_externals_set,
299         and add it to pending_assemble_externals if necessary.
300         (init_varasm_once): Allocate pending_assemble_externals_set.
301
302 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
303
304         Backported from mainline
305         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
306
307         PR target/50310
308         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
309         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
310         (vector_ltgt<mode>): Likewise.
311         (vector_ordered<mode>): Likewise.
312         (vector_unordered<mode>): Likewise.
313         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
314
315 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
316
317         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
318         Make static.
319
320 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
321
322         Backported from mainline
323         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
324
325         PR target/48596
326         PR target/48806
327         * config/sh/sh.c (sh_register_move_cost): Increase cost between
328         GENERAL_REGS and FP_REGS for SImode.
329
330 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
331
332         PR middle-end/52547
333         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
334         on any new_local_var_chain vars declared during recursing on
335         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
336
337 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
338
339         Backport from 2012-03-22 mainline r185692.
340
341         PR target/52496
342         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
343         (unspecv): Add UNSPECV_MEMORY_BARRIER.
344         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
345         (delay_cycles_1, delay_cycles_2): Ditto.
346         (delay_cycles_3, delay_cycles_4): Ditto.
347         (nopv, *nopv): Ditto.
348         (sleep, *sleep): Ditto.
349         (wdr, *wdr): Ditto.
350
351         Backport from 2012-03-21 mainline r185605.
352
353         PR rtl-optimization/52543
354         PR target/52461
355         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
356         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
357         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
358         (avr_load_libgcc_p): Restrict to __flash loads.
359         (avr_out_lpm): Only handle 1-byte loads from __flash.
360         (avr_load_lpm): New function.
361         (avr_find_unused_d_reg): Remove.
362         (avr_out_lpm_no_lpmx): Remove.
363         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
364         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
365         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
366         (load_<mode>, load_<mode>_clobber): New insns.
367         (mov<mode>): For multi-byte move from non-generic
368         16-bit address spaces: Expand to load_<mode> resp.
369         load_<mode>_clobber.
370         (load<mode>_libgcc): Remove expander.
371         (split-lpmx): Remove split.
372
373         Backport from 2012-03-13 mainline r185329.
374
375         PR target/52488
376         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
377         offset (size) to a value the insns can deal with.
378         (expand_epilogue): Ditto.
379
380         Backport from 2012-03-12 mainline r185256.
381
382         PR target/52499
383         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
384         type from reg_class_t to enum reg_class.
385         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
386
387         Backport from 2012-03-12 mainline r185253.
388
389         PR target/52148
390         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
391         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
392         r184615 from 2012-02-28.
393
394         Backport from 2012-03-08 mainline r185105.
395
396         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
397         for constants in [-63,63].
398
399         Backport from 2012-03-08 mainline r185100.
400
401         PR target/52496
402         * config/avr/avr.c (avr_mem_clobber): New static function.
403         (avr_expand_delay_cycles): Add memory clobber operand to
404         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
405         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
406         (enable_interrupt, disable_interrupt): New expander.
407         (nopv, sleep, wdr): New expanders.
408         (delay_cycles_1): Add memory clobber.
409         (delay_cycles_2): Add memory clobber.
410         (delay_cycles_3): Add memory clobber.
411         (delay_cycles_4): Add memory clobber.
412         (cli_sei): New insn from former "enable_interrupt",
413         "disable_interrupt" with memory clobber.
414         (*wdt): New insn from former "wdt" with memory clobber.
415         (*nopv): Similar, but for "nopv".
416         (*sleep): Similar, but for "sleep".
417
418         Backport from 2012-03-07 mainline r185043.
419
420         PR target/52484
421         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
422
423         Backport from 2012-03-07 mainline r185032.
424
425         PR target/52506
426         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
427         to: RAMPZ, RAMPY, RAMPX, RAMPD.
428         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
429
430         Backport from 2012-03-07 mainline r185031.
431
432         PR target/52505
433         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
434         from RAM.
435         * config/avr/avr.md (xload_8): Adjust insn length.
436
437         Backport from 2012-03-07 mainline r185030.
438
439         PR target/52461
440         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
441         if RAMPZ affects reading from RAM.
442
443         Backport from 2012-03-05 mainline r184919.
444
445         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
446
447 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
448
449         Backport from mainline r185259.
450
451         PR other/52545
452         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
453         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
454
455 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
456
457         Backported from mainline
458         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
459
460         PR c/52577
461         * c-parser.c (c_parser_postfix_expression)
462         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
463
464         * config/i386/smmintrin.h: Avoid /* within a comment.
465         * config/i386/nmmintrin.h: Likewise.
466
467 2012-03-22  Richard Guenther  <rguenther@suse.de>
468
469         * BASE-VER: Set to 4.7.1.
470         * DEV-PHASE: Set to prerelease.
471
472 2012-03-22  Release Manager
473
474         * GCC 4.7.0 released.
475
476 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
477
478         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
479
480 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
481             Andrew Pinski  <apinski@cavium.com>
482
483         PR middle-end/52592
484         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
485         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
486         calls instead of __builtin_ir{int,ound}*.
487
488 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
489
490         PR c++/52582
491         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
492         if c_node is NULL.
493
494 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
495
496         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
497         Refer to GCC 4.7 version of c99status.html.
498
499 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
500
501         Backport from mainline
502         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
503
504         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
505         redefine to be NULL if the current bit-size is different from the
506         configured bit-size.
507
508         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
509         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
510         set the default tuning.  Add asserts to make sure the cpu and tune
511         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
512         test whether the index is set, instead of > 0.
513         (rs6000_file_start): Do not reset the default cpu if the current
514         bit-size is different from the configured bit-size.
515
516 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
517
518         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
519         binutils reference.
520         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
521         Update binutils references.
522         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
523         Update binutils reference.
524         Update Sun as/GNU ld caveat.
525         Document binutils largefile requirement for LTO plugin.
526         Remove reference to alternate libpthread.
527
528 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
529
530         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
531         reference.
532         (Specific, mips-sgi-irix6): Likewise.
533
534 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
535
536         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
537         * configure: Regenerate.
538
539 2012-03-07  Richard Henderson  <rth@redhat.com>
540
541         * config/m68k/m68k.h (ISA_HAS_TAS): New.
542         * config/m68k/sync.md (atomic_test_and_set): Use it.
543         (atomic_test_and_set_1): Likewise.
544
545 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
546
547         PR target/51417
548         * Makefile.in: Let install-gcc-ar depend on installdirs,
549         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
550         Don't double canonicalize if cross-compiling.
551
552 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
553
554         * trans-mem.c: New typedef for tm_region_p.
555         Define vector types for tm_region_p.
556         (tm_region_init): Replace region_worklist to a vector called
557         bb_regions.
558
559 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
560
561         PR middle-end/52463
562         * trans-mem.c (tm_region_init): Use last_basic_block.
563
564 2012-03-05  Richard Henderson  <rth@redhat.com>
565
566         PR tree-opt/52242
567         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
568         * omp-low.c (expand_omp_atomic): Assume anything aligned to
569         BIGGEST_ALIGNMENT is aligned.
570
571 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
572
573         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
574
575 2012-03-05  Richard Henderson  <rth@redhat.com>
576
577         PR target/52481
578         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
579         instead of calling negqi2 directly.
580
581 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
582
583         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
584         (INTMAX_TYPE): Use it.
585         (UINTMAX_TYPE): Likewise.
586         (SUBTARGET_OVERRIDE_OPTIONS): Define.
587         (irix6_c_common_override_options): Declare.
588         (C_COMMON_OVERRIDE_OPTIONS): Define.
589         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
590         * config/mips/irix6-c.c: New file.
591         * config/mips/t-irix6 (irix6-c.o): New target.
592         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
593         cxx_target_objs.
594
595 2012-03-02  Richard Henderson  <rth@redhat.com>
596
597         * optabs.c (expand_atomic_test_and_set): Honor
598         atomic_test_and_set_trueval even when atomic_test_and_set
599         optab is not in use.
600
601 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
602
603         Backport from mainline
604         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
605
606         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
607
608 2012-03-02  Richard Guenther  <rguenther@suse.de>
609
610         * DEV-PHASE: Set to prerelease.
611
612 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
613
614         * config.gcc (obsolete): Add all ARM targets using the FPA.
615         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
616         * doc/install.texi: Avoid references to obsolete ARM ports.
617
618 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
619
620         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
621
622 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
623             Joern Rennecke  <joern.rennecke@embecosm.com>
624
625         * doc/extend.texi: Expand and update information on interrupt
626         attribute for Epiphany.
627
628 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
629
630         * config/sh/sh-protos.h: Update copyright notice dates.
631         * config/sh/sh.h: Likewise.
632         * config/sh/sh.md: Likewise.
633         * config/sh/constraints.md: Likewise.
634         * config/sh/predicates.md: Likewise.
635
636 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
637
638         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
639         * config/sh/sh.c (tertiary_reload_operand): Likewise.
640
641 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
642
643         * config/sh/constraints.md: Fix comment typo.
644
645 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
646
647         PR target/52408
648         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
649         unsigned HOST_WIDE_INT.
650         (zvdep_imm64): Likewise.
651         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
652         (vdepi_and): Likewise.
653         Likewise for unamed 64-bit patterns.
654         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
655
656 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
657
658         PR debug/52001
659         PR rtl-optimization/52417
660         * cselib.c (cselib_any_perm_equivs): New variable.
661         (cselib_reset_table): Check that it's not set when not
662         preserving constants.
663         (cselib_add_permanent_equiv): Set it.
664         (cselib_have_permanent_equivalences): New.
665         (cselib_init, cselib_finish): Reset it.
666         * cselib.h (cselib_have_permanent_equivalences): Declare.
667         * alias.c (get_addr): Restore earlier behavior when there
668         aren't permanent equivalences.
669
670 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
671
672         * config/mn10300/mn10300-modes.def: Fix copyright notice.
673         * config/v850/v850-modes.def: Fix copyright notice.
674
675 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
676
677         * doc/extend.texi (AVR Built-in Functions): Document
678         __builtin_avr_flash_segment.
679
680         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
681         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
682         (*split.flash_segment): New insn-and-split.
683         * config/avr/avr.c (avr_init_builtins): Add local variables:
684         const_memx_void_node, const_memx_ptr_type_node,
685         char_ftype_const_memx_ptr.
686
687 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
688
689         PR tree-optimization/52445
690         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
691         add ssa_name_ver, offset and size fields and change store field
692         to bool.
693         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
694         (add_or_mark_expr): Likewise.  Only consider previous stores
695         with the same size and offset.
696         (nt_init_block): Only look at gimple_assign_single_p stmts,
697         doesn't look at rhs2.
698
699 2012-03-01  Richard Guenther  <rguenther@suse.de>
700
701         PR middle-end/52443
702         * tree-cfg.c (verify_gimple_assign_unary): Allow any
703         conversions from integral types to pointer types.
704
705 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
706
707         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
708         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
709         unintentionally removed in r184616.
710
711 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
712
713         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
714         3DNow from bdver1.
715
716 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
717             Uros Bizjak  <ubizjak@gmail.com>
718
719         PR target/52437
720         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
721         alternatives, add "e" constraint to the new last alternative
722         and ! to last 3 alternatives.
723
724 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
725
726         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
727         DW_AT_artificial attributes at the end of the processing.
728         (gen_array_type_die): Likewise.
729         (gen_enumeration_type_die): Likewise.
730         (gen_struct_or_union_type_die): Likewise.
731         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
732         the parent type.
733
734 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
735
736         PR middle-end/52419
737         * expr.c (expand_assignment): If doing misaligned store that doesn't
738         cover all mode bits, perform a RMW cycle.
739
740         PR tree-optimization/52429
741         * tree-parloops.c (separate_decls_in_region_debug): Return early
742         if var is LABEL_DECL.
743
744 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
745
746         PR tree-optimization/52424
747         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
748         calling dom_thread_across_edge.
749
750 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
751
752         * config/avr/avr.c: Move definition of TARGET macros to end of file.
753
754 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
755
756         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
757         * config/avr/avr.c (avr_output_bld): Remove unused function.
758         (avr_out_sbxx_branch): Use "%T" to print bit position.
759
760 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
761
762         * config/avr/avr.md: Untabify.
763
764 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
765
766         * config/avr/avr.md (eqne): New code iterator.
767         (*dec-and-branchsi): Use it in text peephole's condition.
768         (*dec-and-branchhi): Ditto.
769         (*dec-and-branchqi): Ditto.
770
771 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
772
773         PR target/49939
774         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
775         the device does not have the skip-bug.
776
777 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
778
779         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
780         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
781         -mpretend-cmove): New.
782
783 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
784
785         PR bootstrap/52397
786         * df.h (struct df_d): Adjust comment that hard_regs_live_count
787         doesn't count DEBUG_INSN refs.
788         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
789         for DEBUG_INSN refs.
790
791 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
792
793         Partially revert:
794
795         2012-02-20  Richard Guenther  <rguenther@suse.de>
796         PR tree-optimization/52298
797         * tree-vect-stmts.c (vectorizable_load): Properly use
798         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
799         outer loops.
800
801 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
802
803         PR middle-end/51752
804         * gimple.h (gimple_in_transaction): New.
805         (gimple_set_in_transaction): New.
806         (struct gimple_statement_base): Add in_transaction field.
807         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
808         transaction loads.
809         (tree_ssa_lim_initialize): Compute transaction bits.
810         * tree.h (compute_transaction_bits): Protoize.
811         * trans-mem.c (tm_region_init): Use the heap to store BB
812         auxilliary data.
813         (compute_transaction_bits): New.
814
815 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
816
817         * gcc.c (display_help): Document --help=common and sort entries
818         alphabetically.
819
820 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
821
822         * doc/install.texi: Document check-$LANG specific shortcuts
823
824 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
825
826         PR target/51534
827         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
828         and vcgtu.
829         * config/arm/arm_neon.h: Regenerate.
830         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
831         (neon_vcgeu): New insn.
832         (neon_vcgtu): Likewise.
833         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
834         (ops): Unsigned comparison intrinsics call a different
835         builtin.
836
837 2012-02-28  Richard Guenther  <rguenther@suse.de>
838
839         PR target/52407
840         * config/i386/i386.c (ix86_expand_vector_set): Fix element
841         ordering for the VEC_CONCAT for two element vectors for
842         V2SFmode, V2SImode and V2DImode.
843
844 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
845
846         PR target/49448
847         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
848         detecting big-endian triplets.
849
850 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
851
852         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
853         mode if there is no type information available.
854
855 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
856
857         PR tree-optimization/53207
858         * doc/invoke.texi: Document as experimental and relying on graphite.
859
860 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
861
862         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
863         of initializer to changes from r184614.
864
865 2012-02-28  Richard Guenther  <rguenther@suse.de>
866
867         PR tree-optimization/52395
868         * tree-sra.c (build_ref_for_offset): Also look at the base
869         TYPE_ALIGN when figuring out the alignment of the replacement.
870
871 2012-02-28  Richard Guenther  <rguenther@suse.de>
872
873         PR tree-optimization/52402
874         * ipa-prop.c (ipa_modify_call_arguments): Properly use
875         mis-aligned types when creating the accesses at the call site.
876
877 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
878
879         * config/avr/builtins.def: New file.
880         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
881         * config/avr/avr.c (enum avr_builtin_id): Use it.
882         (avr_init_builtins): Use it. And use avr_bdesc.
883         (bdesc_1arg): Remove.
884         (bdesc_2arg): Remove.
885         (bdesc_3arg): Remove.
886         (struct avr_builtin_description): Add field n_args.
887         (avr_bdesc): New static variable using builtins.def.
888         (avr_expand_builtin): Use it.
889         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
890         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
891         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
892
893 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
894
895         PR target/52148
896         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
897         match only one single hard register with respective hard reg rtx.
898         (movmemx_<mode>): Ditto.
899         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
900         insn anatomy of movmem[x]_<mode>.
901         (avr_out_movmem): Same for printing assembler and operand usage.
902
903 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
904
905         PR target/49868
906         PR target/52261
907         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
908         address spaces located outside of device flash.
909
910         * config/avr/avr.h (base_arch_s): Remove field n_segments.
911         (mcu_type_s): Add field n_flash.
912         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
913         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
914         (AVR_MCU): Add N_FLASH argument.
915         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
916         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
917         macro __FLASH<n> if that address space makes sense for the device.
918         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
919         outside of target flash.
920         (avr_asm_named_section): Ditto.
921         (avr_asm_select_section): Ditto.
922         (avr_addr_space_convert): Ditto.
923         (avr_emit_movmemhi): Ditto.
924         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
925         address space is outside of device flash.
926         (avr_insert_attributes): Ditto.
927         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
928         avr_current_arch->n_segments.
929
930 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
931
932         PR target/52352
933         * config/i386/i386.md (*movabs<mode>_1): Enable only for
934         TARGET_LP64.
935         (*movabs<mode>_2): Likewise.
936
937 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
938
939         PR target/52375
940         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
941         s_register_operand in the test instead of REG_P.  Don't call
942         gen_reg_rtx if it won't be used.
943
944         PR tree-optimization/52376
945         * ipa-split.c (split_function): Ignore CLOBBER stmts.
946
947 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
948
949         * ifcvt.c (noce_get_condition): Check condition variable is not
950         small_register_classes_for_mode_p before accepting.
951
952 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
953
954         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
955
956 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
957
958         Revert:
959         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
960         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
961         tuning parameters.
962         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
963
964 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
965
966         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
967
968 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
969
970         * config/sh/predicates.md: Remove blank lines.
971         * config/sh/sh.c: Fix typos in comments.
972         * config/sh/constraints.md: Likewise.
973         * config/sh/sh.md: Remove blank lines.
974         Fix typos in comments.  Use ;; as comment characters.
975
976 2012-02-26  Walter Lee  <walt@tilera.com>
977
978         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
979         (replace_mov_pcrel_step2): Ditto.
980
981 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
982
983         PR debug/52001
984         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
985         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
986         and locs that reference values newer than the non-canonical value
987         at hand.  Return the canonical value as a worst case.
988         (memrefs_conflict_p): Walk canonical value's locs.
989
990         PR debug/52001
991         * cselib.c (preserve_only_constants): Rename to...
992         (preserve_constants_and_equivs): ... this.  Split out...
993         (invariant_or_equiv_p): ... this.  Preserve plus expressions
994         of other preserved expressions too.
995         (cselib_reset_table): Adjust.
996         * var-tracking.c (reverse_op): Use canonical value to build
997         reverse operation.
998
999 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1000
1001         * config/i386/i386.c (ix86_delegitimize_address): Handle
1002         UNSPEC_PCREL plus displacement.
1003
1004 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1005
1006         PR target/52261
1007         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1008         to test for unusedness in st X addressing.
1009
1010 2012-02-24  Richard Guenther  <rguenther@suse.de>
1011
1012         PR middle-end/52361
1013         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1014         (is_gimple_reg_type): Move inline ...
1015         * gimple.h (is_gimple_reg_type): ... here.
1016
1017 2012-02-24  Richard Guenther  <rguenther@suse.de>
1018
1019         PR middle-end/52361
1020         * passes.c (execute_function_todo): When verifying SSA form
1021         verify gimple form first.
1022         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1023
1024 2012-02-24  Richard Guenther  <rguenther@suse.de>
1025
1026         PR middle-end/52355
1027         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1028         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1029
1030 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1031
1032         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1033
1034 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1035
1036         * tree-phinodes.c (make_phi_node): Mark static.
1037         * tree-flow.h (make_phi_node): Remove extern decl.
1038         * doc/gimple.texi (make_phi_node): Remove documentation.
1039
1040 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1041
1042         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1043         * tree-ssa-sccvn.c (print_scc): Ditto.
1044
1045 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1046
1047         * doc/passes.texi (Full redundancy elimination): Fix typo.
1048
1049 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1050
1051         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1052
1053 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1054
1055         PR bootstrap/52287
1056         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1057
1058 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1059
1060         PR c/52290
1061         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1062
1063 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1064
1065         * config/avr/avr.md (code_stdname): Add ior, xor.
1066         (xior): New code iterator.
1067         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1068         (*<code_stdname><mode>qi.byte1-3): Ditto.
1069
1070 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1071
1072         PR tree-optimization/52019
1073         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1074         CLOBBER stmts.
1075
1076 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1077
1078         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1079         HAVE_INITFINI_ARRAY to work around namespace pollution in
1080         certain versions of newlib system headers.
1081         * config.in: Regenerate.
1082         * configure: Regenerate.
1083         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1084         instead of HAVE_INITFINI_ARRAY.
1085
1086 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1087
1088         PR target/52330
1089         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1090         is not offsettable memory reference.
1091
1092 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1093
1094         PR target/18145
1095         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1096         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1097
1098 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1099
1100         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1101         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1102
1103 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1104
1105         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1106         library on Solaris 8 even without TLS support.
1107         * configure: Regenerate.
1108
1109 2012-02-22  Richard Guenther  <rguenther@suse.de>
1110
1111         PR middle-end/52329
1112         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1113         for GIMPLE_DEBUG stmts.
1114
1115 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1116
1117         PR middle-end/51782
1118         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1119         according to the base object.
1120
1121 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1122
1123         PR rtl-optimization/50063
1124         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1125         and 2 (8-bit SP) in operand 2.
1126         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1127         setup to use movhi_sp_r instead of vanilla move to write SP.
1128         Adjust REG_CFA notes to superseed unspec.
1129         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1130         of vanilla move.
1131         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1132         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1133         irq_state 1 (IRQ known to be on) here.
1134
1135 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1136
1137         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1138         WORDS_BIG_ENDIAN.
1139         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1140         assign_hard_reg): Likewise.
1141
1142 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1143
1144         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1145
1146 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1147
1148         * config/avr/avr.md
1149         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1150         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1151
1152 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1153
1154         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1155         prototype from here to...
1156         * config/avr/avr.h: ...here.
1157
1158 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1159
1160         PR target/52294
1161         * thumb2.md (thumb2_shiftsi3_short): Split register and
1162         immediate shifts.  For register shifts tie operands 0 and 1.
1163         (peephole2 for above): Check that register-controlled shifts
1164         have suitably tied operands.
1165
1166 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1167
1168         PR target/52137
1169         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1170         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1171         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1172         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1173         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1174         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1175         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1176         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1177         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1178         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1179         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1180         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1181         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1182         bdver1_ssevector_avx256_unaligned_load,
1183         bdver1_ssevector_sse128_unaligned_load,
1184         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1185         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1186         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1187         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1188         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1189         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1190         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1191         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1192         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1193         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1194         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1195         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1196         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1197         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1198         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1199         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1200         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1201         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1202         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1203         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1204         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1205         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1206         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1207         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1208         bdver1_ssediv_double_load, bdver1_ssediv_double,
1209         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1210         Add "bdver2" attribute.
1211
1212 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1213
1214         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1215         default if possible and not specified otherwise.
1216
1217 2012-02-21  Richard Guenther  <rguenther@suse.de>
1218
1219         PR middle-end/52314
1220         * gimplify.c (create_tmp_from_val): Use the main variant type
1221         for the type of the temporary we create.
1222
1223 2012-02-21  Richard Guenther  <rguenther@suse.de>
1224
1225         PR tree-optimization/52324
1226         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1227         do not gimplify a MEM_REF address operand if it is already
1228         in suitable form.
1229
1230 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1231
1232         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1233         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1234
1235 2012-02-21  Richard Guenther  <rguenther@suse.de>
1236
1237         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1238         nested_in_vect_loop.
1239
1240 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1241
1242         PR tree-optimization/52318
1243         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1244         vdef also to non-pure/const call stmts in the sequence.
1245
1246 2012-02-20  David S. Miller  <davem@davemloft.net>
1247
1248         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1249         don't use the "rd %pc" instruction on v9 for PIC register loads.
1250
1251 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1252
1253         PR middle-end/52141
1254         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1255         in a transaction safe function.
1256
1257 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1258
1259         PR target/52238
1260         * stor-layout.c (place_field): Handle desired_align for
1261         ms-bitfields, too.
1262
1263 2012-02-20  Richard Guenther  <rguenther@suse.de>
1264
1265         PR tree-optimization/52298
1266         * tree-vect-stmts.c (vectorizable_store): Properly use
1267         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1268         outer loops.
1269         (vectorizable_load): Likewise.
1270         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1271         Access DR_STEP after ensuring it is not NULL.
1272
1273 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1274
1275         PR tree-optimization/52286
1276         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1277         optimization use double_int_to_tree instead of build_int_cst_wide,
1278         rewrite to use double_int vars.
1279
1280 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1281
1282         PR target/50166
1283         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1284         Define _start.
1285         Remove -e 0 from $gcc_cv_ld invocation.
1286         Only use __GLIBC_PREREQ if defined.
1287         Enable on Solaris since Solaris 8 patch.
1288         (gcc_SUN_LD_VERSION): New macro.
1289         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1290         gcc_SUN_LD_VERSION for version number format.
1291         * configure: Regenerate.
1292         * varasm.c (get_elf_initfini_array_priority_section): Set
1293         SECTION_NOTYPE for non-default priority.
1294         Use get_section instead of get_unnamed_section to emit
1295         .init_array/.fini_array with default priority.
1296
1297 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1298
1299         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1300         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1301         (mips_start_unique_function, mips_output_mips16_rdhwr)
1302         (mips_code_end): New functions.
1303         (TARGET_ASM_CODE_END): Define.
1304
1305 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1306
1307         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1308         to stubs with non-sibling calls.
1309
1310 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1311
1312         * doc/invoke.texi (-fira-* options): Copy-edit.
1313         (ira-* parameters): Copy-edit.
1314
1315 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1316
1317         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1318         GCC coding conventions.
1319
1320 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1321
1322         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1323         when used as adjectives.
1324
1325 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1326
1327         * doc/invoke.texi: Clean up "that"/"which" confusion.
1328
1329 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1330
1331         * system.h: Poison SMALL_REGISTER_CLASSES
1332         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1333         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1334
1335 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1336
1337         PR tree-optimization/52285
1338         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1339         when deciding if a call is a tail call or tail recursion.
1340
1341 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1342
1343         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1344         interger-constant displacement for UNSPEC_PCREL.
1345
1346 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1347
1348         PR rtl-optimization/52208
1349         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1350         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1351
1352         PR tree-optimization/52255
1353         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1354         loop->header has virtual PHI, but exit_e->dest doesn't, add
1355         virtual PHI to exit_e->dest and adjust all uses after the loop.
1356
1357         PR debug/52260
1358         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1359         children with clone_tree_hash, not after it.
1360
1361 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1362
1363         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1364         extended identifiers.
1365
1366 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR middle-end/51929
1369         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1370         a same_body_alias, also test whether e->callee isn't a former
1371         or current clone of the decl this is a same body alias of.
1372
1373         PR translation/52264
1374         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1375
1376 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1377
1378         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1379
1380 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1381
1382         PR target/52199
1383         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1384         force_reg instead of copy_to_reg for better optimization.  Force
1385         non-register or memory operands into a register.
1386
1387 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1388
1389         * extend.texi: Reserve upper bits of memory model for future use.
1390
1391 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1392             Anatoly Sokolov <aesok@post.ru>
1393             Eric Weddington <eric.weddington@atmel.com>
1394
1395         PR target/52261
1396         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1397         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1398         Rewrite initializers for .macro.
1399         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1400         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1401         atxmega32d4, atxmega32x1.
1402         avrxmega4: atxmega64a3, atxmega64d3.
1403         avrxmega5: atxmega64a1, atxmega64a1u.
1404         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1405         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1406         avrxmega7: atxmega128a1, atxmega128a1u.
1407         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1408         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1409         (struct base_arch_s): Rename reserved to xmega_p.
1410         Rename reserved2 to have_rampd.
1411         (AVR_XMEGA): New define.
1412         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1413         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1414         * config/avr/predicates.md (io_address_operand): Take into
1415         account SFR offset.
1416         (low_io_address_operand): Ditto.
1417         (high_io_address_operand): Ditto.
1418         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1419         (enabled, movhi_sp_r): Use them.
1420         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1421         cpp_define_formatted to built-in define __AVR_ARCH__.
1422         (__AVR_XMEGA__): New built-in define.
1423         (__AVR_HAVE_RAMPD__): New built-in define.
1424         (__AVR_HAVE_RAMPX__): New built-in define.
1425         (__AVR_HAVE_RAMPY__): New built-in define.
1426         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1427
1428         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1429         (avr_option_override): Initialize them.
1430         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1431         (avr_init_expanders): Initialize them. No more block several calls.
1432         (emit_push_sfr): New static function.
1433         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1434         Handle AVR_XMEGA.
1435         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1436         (avr_print_operand): Print addreeses as symbols for
1437         RAMPX, RAMPY, RAMPD, CCP.
1438         (output_movhi): Handle AVR_XMEGA when writing to SP.
1439         (avr_out_movhi_mr_r_xmega): New static function.
1440         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1441         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1442         __RAMPD__,  __CCP__ as needed.
1443
1444         * config/avr/multilib.h: Regenerate.
1445         * config/avr/t-multilib: Regenerate.
1446         * config/avr/avr-tables.opt: Regenerate.
1447
1448 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1449
1450         PR tree-optimization/50561
1451         * graphite-flattening.c (lst_project_loop): Do not
1452         remove old scattering dimensions after flattening.
1453         (lst_do_flatten): Likewise.
1454
1455 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1456
1457         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1458         __builtin_avr_map8, __builtin_avr_map16.
1459         Document __builtin_avr_insert_bits.
1460
1461         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1462         (insert_bits): New insn.
1463         (adjust_len.map_bits): Rename to insert_bits.
1464         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1465         * avr-protos.h (avr_out_map_bits): Remove.
1466         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1467         * config/avr/constraints.md (Cxf,C0f): New.
1468         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1469         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1470         New built-in define __BUILTIN_AVR_INSERT_BITS.
1471         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1472         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1473         (avr_move_bits): Rewrite.
1474         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1475         functions.
1476         (avr_map_op_t): New typedef.
1477         (avr_map_op): New static variable.
1478         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1479         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1480         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1481         (bdesc_3arg, avr_expand_triop_builtin): New.
1482         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1483         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1484         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1485         (avr_map_equal_p, avr_map_sig_p): Remove.
1486         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1487         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1488         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1489         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1490         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1491         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1492
1493 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1494
1495         * config/c6x/c6x.md (reserve_cycles): New attribute.
1496         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1497         don't reserve functional units after the branch occurs.
1498
1499 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1500
1501         PR middle-end/52142
1502         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1503         functions into non-tm_pure functions.
1504
1505 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1506
1507         PR lto/52178
1508         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1509         (iterative_hash_canonical_type): Likewise.
1510         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1511         the dead edges.
1512
1513 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1514
1515         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1516         sched-group insn, it either remains alone or the entire list is pruned.
1517
1518 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1519
1520         * doc/install.texi (Prerequisites): Fix grammar.
1521         (Configuration): Likewise.
1522
1523 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1524
1525         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1526         MPC as part of GCC before describing configuring with --with-gmp etc.
1527         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1528         sources are present.
1529
1530 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1531
1532         PR debug/51950
1533         * dwarf2out.c (clone_tree_hash): New function.
1534         (copy_decls_walk): Use it instead of clone_tree.
1535
1536 2012-02-14  Richard Guenther  <rguenther@suse.de>
1537
1538         PR tree-optimization/52244
1539         PR tree-optimization/51528
1540         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1541         replacements for integral types.
1542
1543 2012-02-14  Walter Lee  <walt@tilera.com>
1544
1545         * config.gcc: Handle tilegx and tilepro.
1546         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1547         tilegx and tilepro.
1548         Add HAVE_AS_TLS check for tilegx and tilepro.
1549         * configure: Regenerate.
1550         * doc/contrib.texi: Add Mat Hostetter and self.
1551         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1552         Document instruction intrinsics and network accessing intrinsics.
1553         (TILEPro Built-in Functions): New node.  Document instruction
1554         intrinsics and network accessing intrinsics.
1555         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1556         (Specific, tilepro-*-linux*): Likewise.
1557         * doc/invoke.texi (TILE-Gx Options): New section.
1558         (TILEPro Options): New section.
1559         * doc/md.texi (TILE-Gx): New section.
1560         (TILEPro): New section.
1561         * common/config/tilegx/tilegx-common.c: New file.
1562         * common/config/tilepro/tilepro-common.c: New file.
1563         * config/tilegx/constraints.md: New file.
1564         * config/tilegx/linux.h: New file.
1565         * config/tilegx/mul-tables.c: New file.
1566         * config/tilegx/predicates.md: New file.
1567         * config/tilegx/sync.md: New file.
1568         * config/tilegx/t-tilegx: New file.
1569         * config/tilegx/tilegx-builtins.h: New file.
1570         * config/tilegx/tilegx-c.c: New file.
1571         * config/tilegx/tilegx-generic.md: New file.
1572         * config/tilegx/tilegx-modes.def: New file.
1573         * config/tilegx/tilegx-multiply.h: New file.
1574         * config/tilegx/tilegx-protos.h: New file.
1575         * config/tilegx/tilegx.c: New file.
1576         * config/tilegx/tilegx.h: New file.
1577         * config/tilegx/tilegx.md: New file.
1578         * config/tilegx/tilegx.opt: New file.
1579         * config/tilepro/constraints.md: New file.
1580         * config/tilepro/gen-mul-tables.cc: New file.
1581         * config/tilepro/linux.h: New file.
1582         * config/tilepro/mul-tables.c: New file.
1583         * config/tilepro/predicates.md: New file.
1584         * config/tilepro/t-tilepro: New file.
1585         * config/tilepro/tilepro-builtins.h: New file.
1586         * config/tilepro/tilepro-c.c: New file.
1587         * config/tilepro/tilepro-generic.md: New file.
1588         * config/tilepro/tilepro-modes.def: New file.
1589         * config/tilepro/tilepro-multiply.h: New file.
1590         * config/tilepro/tilepro-protos.h: New file.
1591         * config/tilepro/tilepro.c: New file.
1592         * config/tilepro/tilepro.h: New file.
1593         * config/tilepro/tilepro.md: New file.
1594         * config/tilepro/tilepro.opt: New file.
1595
1596 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR tree-optimization/52210
1599         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1600         vect_model_simple_cost with two entry vect_def_type array instead
1601         of an address of dt.
1602
1603 2012-02-14  Richard Guenther  <rguenther@suse.de>
1604
1605         PR lto/52178
1606         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1607         Do not stream DECL_QUALIFIER.
1608         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1609         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1610         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1611
1612 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR c/52181
1615         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1616         newdecl.
1617
1618 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1619
1620         PR bootstrap/52172
1621         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1622         * cselib.c (cselib_subst_to_values_from_insn): New function.
1623         * sched-deps.c (add_insn_mem_dependence,
1624         sched_analyze_1, sched_analyze_2): Use it.
1625
1626 2012-02-13  Jan Hubicka  <jh@suse.cz>
1627
1628         PR middle-end/52214
1629         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1630
1631 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1632
1633         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1634         (GTM_SELF_SPECS): Define if not already defined.
1635         (driver_self_specs): Add GTM_SELF_SPECS.
1636         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1637         (GTM_SELF_SPECS): Define.
1638         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1639         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1640
1641 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1642
1643         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1644         away if seen.
1645
1646         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1647
1648         PR middle-end/52230
1649         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1650         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1651
1652 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1653
1654         PR c/52190
1655         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1656
1657 2012-02-13  Richard Guenther  <rguenther@suse.de>
1658
1659         PR translation/52211
1660         * passes.c (enable_disable_pass): Fix typo.
1661
1662 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1663
1664         PR middle-end/52209
1665         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1666         XOR for reduce_bit_field if type is unsigned.
1667
1668 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1669
1670         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1671         disallow changes from SFmode to mode with different size in FP regs.
1672
1673 2012-02-12  Robert Millan  <rmh@gnu.org>
1674             Gerald Pfeifer <gerald@pfeifer.com>
1675
1676         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1677         Tweak comment.
1678
1679 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1680
1681         PR rtl-optimization/52175
1682         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1683         to frame-related instructions.
1684
1685 2012-02-10  Jason Merrill  <jason@redhat.com>
1686
1687         PR c++/51910
1688         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1689         (demangle_new_symbols): Fill it.
1690         (scan_linker_output): Walk it.
1691         (start_tweaking): Split out from scan_linker_output.
1692         (maybe_tweak): Update sym->chosen.
1693         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1694
1695 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR debug/52132
1698         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1699
1700 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1701
1702         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1703         having the same mode as previous compare.
1704
1705 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1706
1707         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1708         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1709         (nonlocal_goto_internal): Likewise.
1710         (nonlocal_goto): Emit a use and an indirect jump directly.
1711
1712 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1713
1714         PR c/52190
1715         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1716         __atomic_{is,always}_lock_free.
1717
1718 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1719
1720         PR target/52146
1721         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1722         negative constant address for x32.
1723
1724 2012-02-10  Richard Henderson  <rth@redhat.com>
1725
1726         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1727         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1728         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1729
1730 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1731             Ira Rosen  <irar@il.ibm.com>
1732
1733         PR tree-optimization/50031
1734         * targhooks.c (default_builtin_vectorization_cost): Handle
1735         vec_promote_demote.
1736         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1737         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1738         all types of reduction and pattern statements.
1739         (vect_estimate_min_profitable_iters): Likewise.
1740         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1741         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1742         for explicit realigns.
1743         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1744         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1745         vec_promote_demote.
1746         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1747         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1748         vec_perm for VSX and handle vec_promote_demote.
1749
1750 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR middle-end/52177
1753         * builtins.c (fold_builtin_atomic_always_lock_free,
1754         expand_builtin_atomic_always_lock_free,
1755         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1756         Return and/or test boolean_true_node/boolean_false_node instead of
1757         integer_one_node/integer_zero_node.
1758
1759 2012-02-10  Jan Hubicka  <jh@suse.cz>
1760
1761         PR middle-end/48600
1762         * predict.c (predict_paths_for_bb): Prevent looping.
1763         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1764
1765 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1766
1767         * config/arm/arm.c (output_move_double): In one case properly
1768         count number of instructions that will be emitted.
1769
1770 2012-02-10  Richard Guenther  <rguenther@suse.de>
1771
1772         PR translation/52193
1773         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1774
1775 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1776
1777         PR middle-end/52140
1778         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1779
1780 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1781
1782         PR debug/52165
1783         * var-tracking.c (emit_note_insn_var_location): If
1784         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1785         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1786         non-NOTE_DURING_CALL_P insn.
1787
1788 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1789
1790         PR middle-end/51867
1791         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1792
1793 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1794
1795         PR driver/48524
1796         * gcc.c (switch_matches) Support switches with separated form,
1797         -D and -U.
1798
1799 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1800
1801         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1802         (SP_ADDR): Ditto.
1803         (RAMPZ_ADDR): Ditto.
1804         * config/avr/avr.c (avr_addr_t): New typedef.
1805         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1806         (avr_init_expanders): Initialize it.
1807         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1808         SREG_ADDR.
1809         (expand_epilogue): Ditto.
1810         (avr_print_operand): Ditto.
1811         (avr_file_start): Ditto.
1812         (avr_emit_movmemhi): Ditto.
1813
1814 2012-02-08  Richard Guenther  <rguenther@suse.de>
1815
1816         PR tree-optimization/46886
1817         * tree-flow.h (do_while_loop_p): Declare.
1818         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1819         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1820
1821 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1822
1823         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1824         always succeed for integers larger than a native word.
1825
1826 2012-02-08  Richard Guenther  <rguenther@suse.de>
1827
1828         PR rtl-optimization/52170
1829         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1830         properly handle integer vector modes.
1831
1832 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1833
1834         PR gcov-profile/52150
1835         * coverage.c: Include target.h.
1836         (build_var): Call targetm.strip_name_encoding on the assembler name.
1837         Change one _ into . or $ if the target allows it.
1838         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1839
1840         PR rtl-optimization/52139
1841         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1842         is a BARRIER after emit_insn_after_noloc, move BB_END
1843         to the last non-BARRIER insn before it.
1844
1845 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1846
1847         PR middle-end/24306
1848         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1849         (mips_gimplify_va_arg_expr): Call it instead of
1850         std_gimplify_va_arg_expr.
1851
1852 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1853
1854         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1855         message for -mno-pointers-to-nested-function.
1856
1857 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1858
1859         PR middle-end/51994
1860         * expr.c (get_inner_reference): If there is an offset, add a negative
1861         bit position to it (if any).
1862
1863 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1864
1865         PR rtl-optimization/52060
1866         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1867         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1868         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1869         and/or i0src_copy2 when needed.
1870
1871 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1872
1873         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1874         or LTOPLUGINSONAME if have_c.
1875
1876         * config/freebsd-spec.h: Add comment about what macros can be defined
1877         in this header.
1878         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1879         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1880         here instead.
1881
1882 2012-02-07  Richard Guenther  <rguenther@suse.de>
1883
1884         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1885         newline in -alias dumps.
1886
1887 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1888             Dave Korn  <dave.korn.cygwin@gmail.com>
1889
1890         PR target/40068
1891         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1892         Take care that typinfo gets dllexport-attribute.
1893
1894 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1895
1896         PR middle-end/52074
1897         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1898         if modifier < EXPAND_SUM call force_operand on the result.
1899
1900 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1901
1902         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1903         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1904         present.
1905         (epiphany_function_type): Replace types for specific interrupts with
1906         EPIPHANY_FUNCTION_INTERRUPT.
1907         (EPIPHANY_INTERRUPT_P): Update.
1908         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1909         New static function.
1910         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1911         <disinterrupt>: Affects type identity.
1912         (epiphany_handle_interrupt_attribute): Handle variable number of
1913         arguments.
1914         (epiphany_compute_function_type): Update for new
1915         epiphany_function_type definition.
1916         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1917         handlers with a longcall forwarder.
1918         (epiphany_start_function): Handle multiple interrupt arguments and/or
1919         forwarder_section attribute.
1920
1921         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1922         libgloss.
1923
1924 2012-02-07  Alan Modra  <amodra@gmail.com>
1925
1926         PR target/52107
1927         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1928         subregs of TFmode.
1929
1930 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1931
1932         PR tree-optimization/50969
1933         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1934         use vec_perm rather than vector_stmt.
1935         (vect_model_load_cost): Likewise.
1936         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1937         vec_perm to be the same as other vector statements.
1938         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1939         cost of vec_perm for TARGET_VSX.
1940
1941 2012-02-06  Richard Guenther  <rguenther@suse.de>
1942
1943         PR tree-optimization/52115
1944         * tree-sra.c (access_has_replacements_p): New function.
1945         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1946
1947 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1948
1949         PR middle-end/52047
1950         * trans-mem.c (expand_call_tm): Add an assertion.
1951         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1952         functions.
1953
1954 2012-02-06  Richard Guenther  <rguenther@suse.de>
1955
1956         PR tree-optimization/50955
1957         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1958         raise cost of expressions that replace an address with an
1959         expression based on a different pointer.
1960
1961 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1962
1963         PR target/52129
1964         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1965         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1966
1967 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1968
1969         PR c++/48680
1970         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1971         -Weffc++ and specify guidelines come from second edition.
1972
1973 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1974
1975         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1976         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1977         (call_direct_split, call_value_split, call_value_internal_direct)
1978         (call_value_direct_split, call_value_multiple_split): Use jal and
1979         jal_macro attributes.
1980
1981 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1982
1983         * reload1.c (reload_regs_reach_end_p): Replace with...
1984         (reload_reg_rtx_reaches_end_p): ...this function.
1985         (new_spill_reg_store): Update commentary.
1986         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1987         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1988         before setting new_spill_reg_store.
1989         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1990         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1991         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1992         for non-spill reload registers.
1993
1994 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1995
1996         PR tree-optimization/52091
1997         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1998         (vect_is_simple_use_1): Likewise.
1999         * tree-vect-loop.c (vectorizable_reduction): Update calls
2000         to vect_is_simple_use_1 and vect_is_simple_use.
2001         (vectorizable_live_operation): Likewise.
2002         * tree-vect-patterns.c (widened_name_p,
2003         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2004         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2005         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2006         vectorizable_shift,vectorizable_operation, vectorizable_store,
2007         vectorizable_load): Likewise.
2008         (vect_is_simple_cond): Add an argument, pass it to
2009         vect_is_simple_use_1.
2010         (vectorizable_condition): Update calls to vect_is_simple_cond,
2011         vect_is_simple_use.
2012         (vect_is_simple_use): Add an argument, the statement in which
2013         OPERAND is used.  Check that if OPERAND's def stmt is a double
2014         reduction phi node, the use is a phi node too.
2015         (vect_is_simple_use_1): Add an argument, pass it to
2016         vect_is_simple_use.
2017         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2018         to vect_is_simple_use.
2019
2020 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2021
2022         PR rtl-optimization/52095
2023         * modulo-sched.c (dump_insn_locator): New function.
2024         (loop_canon_p, sms_schedule): Use it.
2025
2026         PR rtl-optimization/52113
2027         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2028         even for decomposable shift/zext insns.
2029
2030 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2031             Zdenek Dvorak  <ook@ucw.cz>
2032
2033         PR rtl-optimization/52092
2034         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2035         on get_iv_value result.
2036
2037 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2038
2039         PR middle-end/47982
2040         PR middle-end/43967
2041         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2042
2043 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2044
2045         PR middle-end/48071
2046         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2047
2048 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2049
2050         PR rtl-optimization/49800
2051         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2052         (sched_finish): Call regstat_free_n_sets_and_refs.
2053
2054 2012-02-02  Jia Liu  <proljc@gmail.com>
2055
2056         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2057         than operand 2.
2058
2059 2012-02-02  Jan Hubicka  <jh@suse.cz>
2060             Tom de Vries  <tom@codesourcery.com>
2061
2062         PR middle-end/51998
2063         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2064         * varpool.c (varpool_analyze_pending_decls): Likewise.
2065
2066 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2067             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2068
2069         * config.gcc: Add cr16-* support.
2070
2071         * doc/extend.texi: Document cr16 extensions.
2072         * doc/install.texi: Document cr16 install.
2073         * doc/invoke.texi: Document cr16 options.
2074         * doc/md.texi: Document cr16 constraints.
2075
2076         * common/config/cr16/cr16-common.c: New file.
2077         * config/cr16/cr16.c: New file.
2078         * config/cr16/cr16.h: New file.
2079         * config/cr16/cr16.md: New file.
2080         * config/cr16/cr16.opt: New file.
2081         * config/cr16/cr16-protos.h: New file.
2082         * config/cr16/predicates.md: New file.
2083         * config/cr16/constraints.md: New file.
2084         * config/cr16/t-cr16: New file.
2085
2086 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2087
2088         PR target/52086
2089         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2090         that operands[2] is either immediate, or q_regs_operand.
2091
2092         PR tree-optimization/52073
2093         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2094         a pattern stmt for pattern uses, ignore uses outside of the loop.
2095
2096 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2097
2098         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2099         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2100         (OUT_AS1, OUT_AS2): Remove.
2101
2102 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2103
2104         PR rtl-optimization/51374
2105         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2106         to cross other volatile_refs_p insns.
2107
2108 2012-02-01  Richard Guenther  <rguenther@suse.de>
2109
2110         * doc/invoke.texi (fno-inline): Clarify documentation.
2111         (finline-small-functions): Likewise.
2112         (finline-functions): Likewise.
2113         * common.opt (finline): Adjust comment and documentation.
2114         (finline-small-functions): Clarify documentation.
2115         (finline-functions): Likewise.
2116         (finline-functions-called-once): Likewise.
2117
2118 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2119
2120         * c-typeck.c (composite_type): Keep mode for pointers.
2121
2122 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2123
2124         * function.h (regno_reg_rtx): Adjust comment.
2125         * reginfo.c (init_reg_modes_target): Only use the previous mode
2126         if it fits within one register.  Remove MIPS comment.
2127
2128 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2129
2130         PR bootstrap/52058
2131         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2132
2133 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2134
2135         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2136         to srak instruction.
2137
2138 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2139
2140         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2141
2142 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2143
2144         PR bootstrap/52041
2145         PR bootstrap/52039
2146         PR target/51974
2147         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2148
2149 2012-01-31  Richard Guenther  <rguenther@suse.de>
2150
2151         PR tree-optimization/51528
2152         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2153         assigns.
2154
2155 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2156
2157         PR bootstrap/52041
2158         PR bootstrap/52039
2159         PR target/51974
2160         * ree.c (add_removable_extension): Change def_map argument
2161         to unsigned *, store in def_map 1 + offset into *insn_list vector
2162         instead of pointers into the vector.
2163         (find_removable_extensions): Adjust caller.
2164
2165 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2166
2167         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2168         Transform all "* quoted-c-code" to { c-code }.
2169         Remove redundant test for "optimize" in combine patterns.
2170         Move (include "avr-dimode.md") to end of file.
2171
2172 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2173
2174         PR target/51835
2175         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2176         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2177
2178 2012-01-30  Richard Guenther  <rguenther@suse.de>
2179
2180         PR tree-optimization/52028
2181         * tree-loop-distribution.c (ldist_gen): Properly update
2182         virtual SSA form.
2183
2184 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2185
2186         PR debug/52027
2187         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2188         set_cur_line_info_table if not emitting debug info.
2189
2190         PR tree-optimization/52046
2191         * tree-vect-patterns.c (check_bool_pattern): Give up if
2192         a comparison could throw.
2193
2194         PR debug/52048
2195         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2196
2197 2012-01-30  Richard Guenther  <rguenther@suse.de>
2198
2199         PR tree-optimization/52045
2200         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2201         SSA form if cfgcleanup did anything.
2202
2203 2012-01-30  Richard Guenther  <rguenther@suse.de>
2204
2205         PR tree-optimization/52045
2206         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2207         before computing final todo.
2208
2209 2012-01-30  Richard Guenther  <rguenther@suse.de>
2210
2211         PR tree-optimization/51528
2212         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2213         for PR51528 fix.
2214
2215 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2216
2217         * df-problems.c (df_kill_notes): Check that the use refers
2218         to the note under examination.
2219
2220 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2221
2222         PR target/51920
2223         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2224         parameter and use short-lived pseudos.
2225         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2226         (sparc_expand_vector_init): Const-ify local variables and adjust
2227         calls to above functions.
2228
2229 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2230
2231         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2232
2233 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2234
2235         * doc/invoke.texi: Make usage of "compile time" and
2236         "run time"/"runtime" consistent throughout the file.
2237
2238 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2239
2240         * config/alpha/alpha.c (alpha_option_override): Default to
2241         full IEEE compliance mode for Go language.
2242
2243 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2244
2245         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2246         (LINK_SSP_SPEC): Define.
2247
2248 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2249
2250         PR target/51871
2251         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2252         stubs.
2253
2254 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2255
2256         * doc/invoke.texi: Correct hyphenation of "floating point",
2257         "double precision", and related terminology throughout the file.
2258
2259 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2260
2261         PR target/52006
2262         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2263         arm_general_register_operand predicate for operand 2 instead of
2264         register_operand.
2265
2266 2012-01-27  Ian Lance Taylor  <iant@google.com>
2267
2268         PR go/47656
2269         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2270         * builtins.c (expand_builtin_init_trampoline): Add onstack
2271         parameter.  Change caller.
2272         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2273         * tree.c (build_common_builtin_nodes): Declare
2274         __builtin_init_heap_trampoline.
2275
2276 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2277
2278         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2279         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2280         * config/avr/avr.c: Ditto.
2281         (avr_regnames): Remove because unused.
2282         * config/avr/avr.md (*cpse.ne): New peephole.
2283         (*cpse.eq): New peephole from former cpse peepholes.
2284
2285 2012-01-27  Michael Eager  <eager@eagercon.com>
2286
2287         * config/microblaze.c (microblaze_emit_compare): Correct
2288         test after pcmp instruction.
2289
2290 2012-01-27  Richard Guenther  <rguenther@suse.de>
2291
2292         PR tree-optimization/52020
2293         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2294
2295 2012-01-27  Richard Guenther  <rguenther@suse.de>
2296
2297         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2298         function non-const/pure.
2299
2300 2012-01-27  Richard Guenther  <rguenther@suse.de>
2301
2302         PR tree-optimization/50444
2303         * tree-sra.c (build_ref_for_offset): Properly adjust the
2304         MEM_REF type for unaligned accesses.
2305
2306 2012-01-27  Richard Guenther  <rguenther@suse.de>
2307
2308         PR tree-optimization/50444
2309         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2310         (expand_assignment): Use it.  Properly handle misaligned
2311         bases when expanding stores to component references.
2312         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2313         refactor that case.
2314
2315 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2316
2317         PR middle-end/51389
2318         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2319         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2320         * tree-data-ref.c (find_data_references_in_loop): Make static.
2321         (compute_all_dependences): Change return type to bool.  Bail out
2322         for too many datarefs in a loop.  Move the hunk resetting the data
2323         dependences vector from ...
2324         (compute_data_dependences_for_loop): ... here.  Account for
2325         compute_all_dependences returning false.
2326         (compute_data_dependences_for_bb): Likewise.
2327         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2328         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2329
2330 2012-01-27  Richard Guenther  <rguenther@suse.de>
2331
2332         PR middle-end/51959
2333         * expr.c (store_field): Use the alias-set of the scratch memory
2334         for storing to it.
2335
2336 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2337
2338         PR tree-optimization/51990
2339         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2340         WITH_SIZE_EXPR.
2341         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2342
2343 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2344
2345         PR debug/52001
2346         * var-tracking.c (reverse_op): Don't add any reverse operation
2347         if V already has any constant locations.
2348
2349 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2350
2351         * doc/invoke.texi: Correct usage of "command line" (noun)
2352         vs "command-line" (adjective) throughout.
2353
2354 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2355
2356         * doc/invoke.texi (Language Independent Options): Move
2357         -Wcoverage-mismatch blurb from here....
2358         (Warning Options): ...to here.
2359
2360 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2361
2362         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2363         Set rs6000_always_hint to false for 476.
2364
2365 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2366
2367         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2368           system root.
2369         * incpath.c (add_standard_paths): Likewise.
2370
2371 2012-01-27  Richard Henderson  <rth@redhat.com>
2372
2373         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2374         * config/m68k/sync.md (atomic_test_and_set): Rename from
2375         sync_test_and_setqi and adjust the operands.
2376         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2377         and unconditionally enable.
2378
2379 2012-01-27  Richard Henderson  <rth@redhat.com>
2380
2381         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2382         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2383         (ldstub): Rename from ldstubqi.
2384         (ldstub<I24MODE>): Remove.
2385
2386 2012-01-27  Richard Henderson  <rth@redhat.com>
2387
2388         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2389         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2390         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2391         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2392         * doc/tm.texi: Rebuild.
2393
2394 2012-01-27  Richard Henderson  <rth@redhat.com>
2395
2396         * optabs.c (gen_atomic_test_and_set): Remove default.
2397         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2398
2399 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2400
2401         PR rtl-optimization/51978
2402         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2403         (combine_reaching_defs): Likewise.
2404         (struct re_info): Remove.
2405         (add_removable_extension): Remove x and data arguments,
2406         add insn, insn_list and def_map.  Use the arguments directly
2407         instead of using struct re_info.
2408         (find_removable_extensions): Don't call add_removable_extension
2409         through note_stores, instead just call it with single_set
2410         result if non-NULL.
2411         (find_and_remove_re): Pass curr_cand->expr instead of
2412         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2413
2414 2012-01-26  Michael Matz  <matz@suse.de>
2415
2416         PR tree-optimization/46590
2417         * cfgexpand.c: Revert last change (r183305).
2418         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2419         regs.
2420         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2421         checking for emptiness.
2422
2423 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2424
2425         PR middle-end/51895
2426         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2427         non-addressable non-BLKmode base correctly.
2428
2429 2012-01-26  Michael Matz  <matz@suse.de>
2430
2431         PR tree-optimization/48794
2432         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2433         regions referenced from RESX/EH_DISPATCH.
2434
2435 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2436
2437         * config/s390/s390.h: Make BRANCH_COST an option.
2438         * config/s390/s390.opt: New option -mbranch-cost.
2439
2440 2012-01-26  Richard Henderson  <rth@redhat.com>
2441
2442         Revert 2012-01-24 change:
2443         * trans-mem.c (requires_barrier): Do not instrument thread local
2444         variables and emit save/restore for them.
2445
2446 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2447
2448         PR middle-end/51986
2449         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2450         for pat == 0.
2451
2452 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2453
2454         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2455         ASM_OPERANDS.
2456
2457 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2458
2459         PR target/49868
2460         Rename __pgm to __flash.
2461         Rename __pgm1 to __flash1.
2462         Rename __pgm2 to __flash2.
2463         Rename __pgm3 to __flash3.
2464         Rename __pgm4 to __flash4.
2465         Rename __pgm5 to __flash5.
2466         Rename __pgmx to __memx.
2467         * doc/extend.texi (AVR Named Address Spaces)
2468         Rename address space names as indicated above.
2469         * config/avr/avr.c (avr_addrspace): Ditto.
2470
2471         * config/avr/avr-protos.h
2472         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2473         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2474         * config/avr/predicates.md: Ditto.
2475         * config/avr/avr.c Ditto, and
2476         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2477         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2478
2479         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2480         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2481         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2482         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2483         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2484         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2485         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2486         * config/avr/avr.c: Ditto.
2487         * config/avr/avr.md: Ditto.
2488
2489 2012-01-25  Jason Merrill  <jason@redhat.com>
2490
2491         PR c++/51992
2492         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2493
2494 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2495
2496         PR tree-optimization/51987
2497         * tree-data-ref.c (get_references_in_stmt): Handle references in
2498         non-volatile GIMPLE_ASM.
2499
2500 2012-01-25  Richard Guenther  <rguenther@suse.de>
2501
2502         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2503         bases are dereferenced.
2504
2505 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2506
2507         PR rtl-optimization/48374
2508         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2509
2510 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2511
2512         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2513         compute_data_dependences_for_loop returns false.
2514         * tree-parloops.c (loop_parallel_p): Likewise.
2515
2516 2012-01-25  Richard Guenther  <rguenther@suse.de>
2517
2518         * tree.h (get_pointer_alignment_1): Declare.
2519         * builtins.c (get_pointer_alignment_1): New function.
2520         (get_pointer_alignment): Use it.
2521
2522 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2523
2524         PR rtl-optimization/48308
2525         * combine.c (enum undo_kind): Add UNDO_LINKS.
2526         (struct undo): Add member l to other_contents and where.
2527         (do_SUBST_LINK): New.
2528         (SUBST_LINK): New.
2529         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2530         (undo_all): Handle UNDO_LINKS.
2531
2532 2012-01-25  Richard Henderson  <rth@redhat.com>
2533
2534         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2535         mem inputs.
2536
2537 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2538
2539         * optabs.c (gen_atomic_test_and_set): Use each argument.
2540
2541 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2542
2543         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2544         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2545         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2546         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2547         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2548         TARGET_PAIRED_SINGLE_FLOAT.
2549
2550 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2551
2552         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2553         (in_struct, return_val): Remove MEM documentation.
2554         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2555         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2556         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2557         and MEM_SCALAR.
2558         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2559         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2560         * expr.c (store_field): Likewise.
2561         * function.c (assign_stack_temp_for_type): Likewise.
2562         * ifcvt.c (noce_try_cmove_arith): Likewise.
2563         * reload1.c (reload): Likewise.
2564         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2565         (alpha_set_memflags): Likewise.
2566         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2567
2568 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2569
2570         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2571         parameter.
2572         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2573         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2574         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2575         varies parameter.
2576         * cselib.c (cselib_rtx_varies_p): Delete.
2577         (cselib_invalidate_mem): Update call to canon_true_dependence.
2578         * dse.c (record_store, check_mem_read_rtx): Likewise.
2579         (scan_reads_nospill): Likewise.
2580         * cse.c (check_dependence): Likewise.
2581         (cse_rtx_varies_p): Delete.
2582         * expr.c (safe_from_p): Update call to true_dependence.
2583         * ira.c (validate_equiv_mem_from_store): Likewise.
2584         (memref_referenced_p): Likewise.
2585         * postreload-gcse.c (find_mem_conflicts): Likewise.
2586         * sched-deps.c (sched_analyze_2): Likewise.
2587         * store-motion.c (load_kills_store): Likewise.
2588         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2589         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2590         (compute_transp): Update call to canon_true_dependence.
2591
2592 2012-01-25  Richard Henderson  <rth@redhat.com>
2593
2594         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2595         (maybe_emit_atomic_test_and_set): New.
2596         (expand_sync_lock_test_and_set): Use it.
2597         (expand_atomic_test_and_set): Likewise.
2598         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2599         the implementation; clarify implementation defined details.
2600         * doc/md.texi (atomic_test_and_set): Document.
2601
2602 2012-01-25  Richard Henderson  <rth@redhat.com>
2603
2604         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2605
2606 2012-01-25  Richard Henderson  <rth@redhat.com>
2607
2608         PR target/51968
2609         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2610         to effect no-op split.
2611
2612 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2613
2614         PR lto/51698
2615         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2616         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2617         (BT_FN_VOID_PTR_INT_SIZE): New.
2618         (BT_FN_UINT_UINT_VAR): Remove.
2619         (BT_FN_UINT32_UINT32_VAR): New.
2620         (BT_FN_DOUBLE_VPTR): Remove.
2621         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2622
2623         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2624         (_ITM_changeTransactionMode): Same.
2625         (_ITM_memmoveRtWt): Change return type to void.
2626         (_ITM_memcpyRtWt): Same.
2627         (_ITM_memsetW): Same.
2628         (_ITM_RaRD): Change types to double.
2629         (_ITM_RD): Same.
2630         (_ITM_RaWD): Same.
2631         (_ITM_RfWD): Same.
2632
2633         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2634
2635 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2636             Patrick Marlier  <patrick.marlier@gmail.com>
2637
2638         * trans-mem.c (requires_barrier): Do not instrument thread local
2639         variables and emit save/restore for them.
2640
2641 2012-01-24  Jason Merrill  <jason@redhat.com>
2642
2643         PR c++/51812
2644         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2645         output static aliases.
2646
2647 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2648
2649         PR driver/47249
2650         * common.opt (-pie, -shared, pie, shared): Change from Common to
2651         Driver.
2652         * gcc.c (display_help): Display help for -pie and -shared.
2653
2654 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2655
2656         PR target/49868
2657         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2658         Remove note on size/offset limitation.
2659         (AVR Variable Attributes): Add example how to read data located
2660         with progmem.  Refer to named address spaces.
2661         * doc/invoke.texi (AVR Options): Fix typo.
2662
2663 2012-01-24  Richard Guenther  <rguenther@suse.de>
2664
2665         Forward-port to trunk
2666         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2667
2668         PR middle-end/45678
2669         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2670         op0 isn't sufficiently aligned and there is movmisalignM
2671         insn for mode, use it to load op0 into a temporary register.
2672
2673 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2674
2675         PR target/51957
2676         * target.def (const_not_ok_for_debug_p): New hook.
2677         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2678         documentation.
2679         * doc/tm.texi: Regenerated.
2680         * dwarf2out.c (const_ok_for_output_1): If
2681         targetm.const_not_ok_for_debug_p returns true, fail.
2682         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2683         function.
2684         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2685
2686 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2687
2688         PR target/51900
2689         * config/i386/predicates.md (symbolic_operand): Allow
2690         UNSPEC_PCREL as PIC expression for lea.
2691         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2692         * config/i386/i386.c (ix86_delegitimize_address): Handle
2693         UNSPEC_PCREL for none-MEM, too.
2694
2695 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2696
2697         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2698         (ipa_tm_create_version_alias): Same.
2699
2700 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2701
2702         PR libitm/51830
2703         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2704         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2705
2706 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2707             Patrick Marlier  <patrick.marlier@gmail.com>
2708             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2709
2710         PR lto/51916
2711         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2712         simple_object_start_read.
2713
2714 2012-01-23  Richard Guenther  <rguenther@suse.de>
2715
2716
2717         PR tree-optimization/51895
2718         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2719         parameter decomposition into BLKmode components.
2720
2721 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2722
2723         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2724         fake variables for restrict-qualified pointers whose pointed-to type
2725         contains a placeholder.
2726
2727 2012-01-23  Richard Guenther  <rguenther@suse.de>
2728
2729         PR tree-optimization/51949
2730         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2731
2732 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2733
2734         PR rtl-optimization/51933
2735         * ree.c (transform_ifelse): Return true right away if dstreg is
2736         already wider or equal to cand->mode.
2737         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2738         (make_defs_and_copies_lists): Remove defs_list and copies_list
2739         arguments, add state argument, just truncate state->work_list
2740         instead of always allocating and freeing the vector.  Assert that
2741         get_defs succeeds instead of returning 2.  Changed return type to bool.
2742         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2743         have ext_src_mode, see if it has been modified already with the
2744         right kind of extension and has been extended before from the
2745         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2746         just return true.  Remember the original mode in state->modified array.
2747         (combine_reaching_defs): Add state argument.  Don't allocate and
2748         free here def_list, copied_list and vec vectors, instead just
2749         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2750         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2751         Add state variable, clear vectors in it, initialize state.modified
2752         if needed.  Free all the vectors at the end and state.modified too.
2753         Don't skip a candidate if the extension expression has been modified.
2754
2755 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2756
2757         PR target/47096
2758         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2759          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2760         (extra_options) interix.opt -> i386/interix.opt"
2761         (extra_objs):Add winnt-stubs.o
2762         * configure.ac: Add interix to target_os .comm on PE check.
2763         * configure: Regenerate.
2764         * config/interix3.h: Delete and move bits to..
2765         * config/interix.h: Delete and move bits to..
2766         * config/i386/i386-interix3.h: Delete and move bits to..
2767         * config/i386/i386-interix.h: ..here.
2768         (TARGET_CPU_DEFAULT): Remove redefinition.
2769         (TARGET_ASM_CONSTRUCTOR): Undefine.
2770         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2771         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2772         (PTRDIFF_TYPE): Define.
2773         (LONG_DOUBLE_TYPE_SIZE): Define.
2774         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2775         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2776         (TARGET_SECTION_TYPE_FLAGS): Define.
2777         (ASM_DECLARE_FUNCTION_NAME): Define.
2778         (ASM_OUTPUT_EXTERNAL): Define.
2779         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2780         (ASM_OUTPUT_ALIGNED_BSS): Define.
2781         (PCC_BITFIELD_TYPE_MATTERS): Define.
2782         (USE_CONST_SECTION): Define.
2783         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2784         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2785         (SUPPORTS_ONE_ONLY): Remove.
2786         (I386_PE_STRIP_ENCODING): Define.
2787         * config/interix.opt: Delete and move bits to..
2788         * config/i386/interix.opt: ..here. New.
2789         (mpe-aligned-commons): Add.
2790         * config/i386/t-interix: Add copyright header.
2791         (winnt-stubs.o): Add rule.
2792
2793 2012-01-22  Jason Merrill  <jason@redhat.com>
2794
2795         PR c++/51832
2796         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2797         for extra name aliases.
2798
2799 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2800
2801         PR rtl-optimization/51924
2802         * ree.c (combine_set_extension): Improve debugging message.
2803         (combine_reaching_defs): Likewise.
2804         (get_defs): Rename confusingly named variable.
2805         (find_and_remove_re): Skip a candidate if the extension expression has
2806         been modified.
2807
2808 2012-01-21  Robert Millan  <rmh@gnu.org>
2809             Gerald Pfeifer  <gerald@pfeifer.com>
2810
2811         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2812         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2813
2814 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2815
2816         PR tree-optimization/51914
2817         * tree-vect-stmts.c (vectorizable_conversion): For
2818         cvt_type && modifier == WIDEN, put temporary with cvt_type
2819         at the beginning of vec_dsts and set vec_dest to temporary
2820         with vectype_out.
2821
2822 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2823
2824         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2825
2826 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2827
2828         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2829         * config/rs6000/rs6000.c: Likewise.
2830
2831 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2832
2833         PR target/51915
2834         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2835         output_move_double on a copy of operands array.
2836
2837 2012-01-20  Cary Coutant  <ccoutant@google.com>
2838             Dodji Seketeli  <dodji@redhat.com>
2839
2840         PR debug/45682
2841         * dwarf2out.c (copy_declaration_context): Return ref to parent
2842         of declaration DIE, if necessary.
2843         (remove_child_or_replace_with_skeleton): Add new parameter; update
2844         caller.  Place skeleton DIE under parent DIE of original declaration.
2845         Move call to copy_declaration_context to here ...
2846         (break_out_comdat_types): ... from here.
2847
2848 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2849
2850         PR rtl-optimization/51856
2851         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2852         flag to reloaded.
2853
2854 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2855
2856         PR target/51819
2857         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2858         hints for neon loads and stores.
2859
2860 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2861
2862         PR target/49868
2863         PR target/50887
2864         * doc/extend.texi (Named Address Spaces): Split into subsections.
2865         (AVR Named Address Spaces): New subsection.
2866         (M32C Named Address Spaces): New subsection.
2867         (RL78 Named Address Spaces): New subsection.
2868         (SPU Named Address Spaces): New subsection.
2869         (Variable Attributes): New anchor "AVR Variable Attributes".
2870         (AVR Variable Attributes): Rewrite and avoid wording
2871         "address space" in this context.
2872         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2873         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2874         (AVR Built-in Macros): New subsubsection therein.
2875         * doc/md.texi (AVR constraints): Remove "C04", "R".
2876
2877 2012-01-20  Richard Guenther  <rguenther@suse.de>
2878
2879         PR tree-optimization/51903
2880         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2881         when removing stmts.
2882
2883 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2884
2885         PR target/50313
2886         * config/arm/arm.c (arm_load_pic_register): Use
2887         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2888         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2889         (arm_pic_static_addr): Likewise.
2890         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2891         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2892         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2893         (pic_load_addr_unified): New.
2894
2895 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2896
2897         PR target/51106
2898         * function.c (instantiate_virtual_regs_in_insn): Use
2899         delete_insn_and_edges when removing a wrong asm insn.
2900
2901 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2902
2903         PR rtl-optimization/40761
2904         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2905         Add new member loop_num.
2906         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2907         (ira_build): Remove the parameter.
2908
2909         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2910         (ira.c): Do not build CFG loops for one region allocation.  Remove
2911         argument from ira_build call.
2912
2913         * ira-build.c (init_loop_tree_node): New function.
2914         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2915         loops are not built.
2916         (more_one_region_p): Check current_loops.
2917         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2918         built.
2919         (add_loop_to_tree): Process loop equal to NULL too.
2920         (form_loop_tree): Separate the case when CFG loops are not built.
2921         Use explicitly number for the root.
2922         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2923         an assertion.
2924         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2925         instead of loop->num.
2926         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2927         (mark_all_loops_for_removal): Ditto.
2928         (remove_unnecessary_regions): Separate the case when CFG loops
2929         are not built.
2930         (ira_build): Remove the parameter.  Use explicit number of regions
2931         when CFG loops are not built.
2932
2933         * ira-color.c (print_loop_title): Separate the case for the root node.
2934         Use loop_num instead of loop->num.
2935         (move_spill_restore): Use loop_num instead of loop->num.
2936
2937         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2938         (change_loop): Ditto.
2939         (change_loop): Use loop_num instead of loop->num.
2940
2941         * ira-lives.c (process_bb_node_lives): Ditto.
2942
2943         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2944
2945         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2946
2947 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2948
2949         PR libmudflap/40778
2950         * tree-mudflap.c (mf_artificial): New function.
2951         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2952         mx_register_decls, mudflap_enqueue_decl): Use it.
2953
2954         PR target/51876
2955         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2956         numbers in the insn pattern.
2957
2958 2012-01-19  Michael Matz  <matz@suse.de>
2959
2960         PR tree-optimization/46590
2961         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2962         use it in remembering which conflicts we already created.
2963         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2964         bitmap.
2965
2966 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2967
2968         PR lto/51280
2969         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2970         (merge_and_complain): Same.
2971
2972 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2973
2974         PR bootstrap/50237
2975         * config/initfini-array.h: Guard content of the header
2976         with #ifdef HAVE_INITFINI_ARRAY.
2977         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2978         Add initfini-array.h to tm_file here.
2979         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2980         * config.gcc: Don't add initfini-array.h to tm_file here.
2981         * configure: Regenerated.
2982
2983 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2984
2985         PR rtl-optimization/51505
2986         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2987         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2988         (df_note_bb_compute): Update the call to df_kill_notes.
2989
2990 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2991
2992         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2993
2994 2012-01-18  Richard Guenther  <rguenther@suse.de>
2995
2996         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2997         of conversions to void *.
2998
2999 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3000             Richard Sandiford  <rdsandiford@googlemail.com>
3001
3002         PR middle-end/50325
3003         PR middle-end/51192
3004         * optabs.h (simplify_expand_binop): Declare.
3005         * optabs.c (simplify_expand_binop): Make global.
3006         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3007         endian targets if the source cannot be exactly covered by word
3008         mode chunks.
3009
3010 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3011
3012         PR bootstrap/51872
3013         * hard-reg-set.h (struct hard_reg_set_container): New type.
3014         * target.h (struct hard_reg_set_container): Forward declare.
3015         * target.def (set_up_by_prologue): New target hook.
3016         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3017         * doc/tm.texi: Regenerated.
3018         * function.c (thread_prologue_and_epilogue_insns): Change
3019         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3020         Call targetm.set_up_by_prologue on it.
3021         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3022         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3023
3024 2012-01-17  Nick Clifton  <nickc@redhat.com>
3025
3026         * config/rx/rx.c (rx_can_use_simple_return): New function.
3027         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3028         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3029
3030 2012-01-17  Richard Guenther  <rguenther@suse.de>
3031
3032         PR middle-end/51782
3033         * expr.c (expand_assignment): Take address-space information
3034         from the address operand of MEM_REF and TARGET_MEM_REF.
3035         (expand_expr_real_1): Likewise.
3036
3037 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3038
3039         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3040         reload dump is requested.
3041
3042 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3043
3044         PR other/51165
3045         * trans-mem.c (requires_barrier): Call may_be_aliased.
3046
3047 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3048
3049         PR tree-optimization/51877
3050         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3051         call arguments and fndecls compare equal, instead return false if they
3052         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3053         both SSA_NAMEs that are valueized the same, or they satisfy
3054         operand_equal_p.
3055
3056 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3057
3058         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3059         Solaris 11+.
3060         * configure: Regenerate.
3061
3062 2012-01-16  Jan Hubicka  <jh@suse.cz>
3063
3064         PR c/12245
3065         PR c++/14179
3066         * convert.c (convert_to_integer): Use fold_convert for
3067         converting an INTEGER_CST to integer type.
3068
3069 2012-01-16  Jason Merrill  <jason@redhat.com>
3070
3071         PR c++/14179
3072         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3073
3074 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3075
3076         PR bootstrap/51860
3077         * config/s390/s390.c (s390_chunkify_start): Don't skip
3078         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3079         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3080         If insn is followed by NOTE_INSN_VAR_LOCATION or
3081         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3082         Don't use location of note insns.
3083
3084         PR tree-optimization/51865
3085         * tree-inline.c (tree_function_versioning): Call remap_decl
3086         on DECL_RESULT whenever it has VOID_TYPE_P type.
3087
3088 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3089
3090         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3091         for calls to locally-binding MIPS16 functions if only the return
3092         type uses float regs.
3093
3094 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3095             Richard Sandiford  <rdsandiford@googlemail.com>
3096
3097         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3098         (SYMBOL_32_HIGH): Likewise.
3099         (mips_output_tls_reloc_directive): Declare.
3100         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3101         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3102         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3103         (mips_lo_relocs, mips_hi_relocs): Make extern.
3104         (mips16_stub_function): Move up file.
3105         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3106         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3107         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3108         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3109         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3110         (mips_get_tp): Add MIPS16 support.
3111         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3112         Generalize DTPREL and TPREL handling.
3113         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3114         Add MIPS16 TLS support.
3115         (mips_output_tls_reloc_directive): New function.
3116         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3117         * config/mips/predicates.md (symbolic_operand_with_high)
3118         (tls_reloc_operand): New predicates.
3119         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3120         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3121         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3122         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3123         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3124         (*tls_get_tp_mips16_call_<mode>): Likewise.
3125
3126 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3127
3128         PR rtl-optimization/51821
3129         * recog.c (peep2_find_free_register): Determine clobbered registers
3130         from insn pattern.
3131
3132 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3133
3134         PR target/50925
3135         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3136         * config/avr/avr.c: Likewise.
3137         * config/avr/avr.h: Likewise.
3138
3139 2012-01-13  Ian Lance Taylor  <iant@google.com>
3140
3141         PR c++/50012
3142         * tree.h (TYPE_QUALS): Add cast to int.
3143         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3144
3145 2012-01-13  Ian Lance Taylor  <iant@google.com>
3146
3147         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3148         comparing param_index to VEC_length result.
3149
3150 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3151
3152         * c-decl.c: Do not include tree-mudflap.h
3153         * tree-optimize.c: Likewise.
3154         * Makefile.in: Update dependencies.
3155
3156 2012-01-13  Richard Guenther  <rguenther@suse.de>
3157
3158         PR middle-end/8081
3159         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3160         variable-sized result always use RSO.
3161
3162 2012-01-12  DJ Delorie  <dj@redhat.com>
3163
3164         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3165         pointer type, not just the default pointer type.
3166
3167 2012-01-09  Richard Henderson  <rth@redhat.com>
3168             Denis Chertykov  <chertykov@gmail.com>
3169
3170         PR target/50925
3171         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3172         * config/avr/avr.c (avr_can_eliminate): Simplify.
3173         (avr_initial_elimination_offset): Likewise.
3174         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3175         (expand_epilogue): Likewise.
3176         (avr_legitimize_address): Gut.
3177         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3178         (avr_hard_regno_nregs): New.
3179         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3180         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3181         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3182         add soft frame pointer.
3183         (CALL_USED_REGISTERS): Likewise.
3184         (REG_CLASS_CONTENTS): Likewise.
3185         (REGISTER_NAMES): Likewise.
3186         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3187         (HARD_FRAME_POINTER_REGNUM): New.
3188         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3189         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3190         remove the HARD_FRAME_POINTER self-elimination.
3191
3192 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3193
3194         PR target/51756
3195         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3196         DECL_EXTERNAL when checking for initializers of progmem variables.
3197
3198 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3199
3200         PR tree-optimization/51799
3201         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3202         that the last operation is a type demotion.
3203
3204 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3205
3206         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3207         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3208
3209 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3210
3211         PR bootstrap/51796
3212         * combine.c (distribute_notes): If i3 is a noreturn call,
3213         allow old_size to be equal to args_size and make sure the
3214         noreturn call gets REG_ARGS_SIZE note.
3215         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3216         on noreturn calls even when the delta is 0.
3217
3218 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3219
3220         * gcov.c (STRING_SIZE): Remove.
3221         (generate_results): Erase annotations for source files with no
3222         coverage information.
3223         (read_line): New.
3224         (output_lines): Use it.
3225
3226 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3227
3228         * gimple.h (gimplify_body): Remove first argument.
3229         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3230         pointer set here, instead just pass DATA to walk_tree.
3231         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3232         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3233         (unvisit_body): Likewise, but with unmark_visited.
3234         (gimplify_body): Remove BODY_P argument and adjust.
3235         (gimplify_function_tree): Adjust call to gimplify_body.
3236         * omp-low.c (finalize_task_copyfn): Likewise.
3237
3238 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3239
3240         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3241         (build_function_type_skip_args): Delete.
3242         * tree.c (build_function_type_skip_args): Make static and add
3243         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3244         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3245         pass it to build_function_type_skip_args.
3246         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3247         (tree_function_versioning): Likewise.
3248         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3249         build_function_decl_skip_args.
3250         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3251         and pass it to build_function_decl_skip_args/tree_function_versioning.
3252         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3253         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3254         * trans-mem.c (ipa_tm_create_version): Likewise.
3255         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3256         * tree-inline.c (declare_return_variable): Remove always-true test.
3257         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3258         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3259         * ipa-split.c (split_function): Skip the return value for the split
3260         part if it doesn't return.
3261
3262 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3263
3264         PR tree-optimization/49642
3265         * ipa-split.c (forbidden_dominators): New variable.
3266         (check_forbidden_calls): New function.
3267         (dominated_by_forbidden): Likewise.
3268         (consider_split): Check for forbidden dominators.
3269         (execute_split_functions): Initialize and free forbidden
3270         dominators info; call check_forbidden_calls.
3271
3272 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3273
3274         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3275
3276 2012-01-11  Nick Clifton  <nickc@redhat.com>
3277
3278         * config/rx/rx.md (return): Define pattern.
3279
3280 2012-01-11  Richard Guenther  <rguenther@suse.de>
3281
3282         * doc/extend.texi (malloc attribute): Adjust according to
3283         implementation.
3284
3285 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3286             Patrick Marlier  <patrick.marlier@gmail.com>
3287
3288         PR middle-end/51516
3289         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3290         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3291         (ipa_tm_note_irrevocable): Same.
3292         (ipa_tm_scan_irr_block): Same.
3293         (ipa_tm_decrement_clone_counts): Same.
3294         (ipa_tm_scan_irr_function): Same.
3295         (ipa_tm_create_version_alias): Same.
3296         (ipa_tm_create_version): Same.
3297         (ipa_tm_transform_calls_redirect): Same.
3298         (ipa_tm_transform_calls): Same.
3299         (ipa_tm_transform_transaction): Same.
3300         (ipa_tm_execute): Same.
3301
3302 2012-01-10  Richard Guenther  <rguenther@suse.de>
3303
3304         PR middle-end/51806
3305         * opts.c (common_handle_option): Handle -Werror.
3306
3307 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3308
3309         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3310         operand number.
3311
3312 2012-01-10  Jason Merrill  <jason@redhat.com>
3313
3314         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3315         information.
3316
3317 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3318
3319         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3320         supports R_386_TLS_GD_PLT reloc.
3321         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3322         supports R_386_TLS_LDM_PLT reloc.
3323         * configure: Regenerate.
3324         * config.in: Regenerate.
3325
3326 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3327
3328         PR target/49868
3329         Extend __pgmx semantics to linearize memory.
3330         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3331         determine if code comes inline or from libgcc.
3332         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3333         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3334         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3335         (movmemx_qi, movmemx_hi): New insns.
3336         (xload_<mode>_libgcc): Rewrite to new insn condition.
3337         (xload_<mode>): Remove insns.
3338         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3339         cases that don't satisfy avr_xload_libgcc_p().
3340         (avr_addr_space_convert): Allow converting in any direction.
3341         (avr_addr_space_subset_p): Return always true.
3342         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3343         (avr_emit_movmemhi): Ditto.
3344         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3345         (avr_out_movmem): Ditto.
3346         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3347         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3348         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3349         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3350         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3351
3352 2012-01-10  Richard Guenther  <rguenther@suse.de>
3353
3354         PR tree-optimization/50913
3355         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3356         Require data-refs to be representable by Graphite with respect
3357         to any loop nest.
3358
3359 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3360
3361         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3362         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3363
3364 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3365
3366         PR rtl-optimization/51271
3367         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3368         handling annulled branch.
3369
3370 2012-01-10  Richard Henderson  <rth@redhat.com>
3371
3372         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3373         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3374         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3375         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3376         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3377         arm_expand_vec_perm_const): New.
3378         * config/arm/arm-protos.h: Update.
3379         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3380         (*neon_vswp<VDQX>): New.
3381         (neon_vcombine<VDX>): Use neon_split_vcombine.
3382         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3383         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3384         (vec_perm<VE>): New.
3385
3386 2012-01-10  Richard Henderson  <rth@redhat.com>
3387
3388         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3389         use it if reload_completed.
3390         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3391         arm_output_asm_insn, arm_process_output_memory_barrier,
3392         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3393         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3394         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3395         arm_process_output_sync_insn, arm_output_sync_insn,
3396         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3397         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3398         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3399         (emit_unlikely_jump): New.
3400         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3401         (arm_split_atomic_op): New.
3402         * config/arm/arm-protos.h: Update.
3403         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3404         (struct arm_sync_generator): Remove.
3405         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3406         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3407         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3408         (VUNSPEC_LL, VUNSPEC_SC): New.
3409         (sync_result, sync_memory, sync_required_value, sync_new_value,
3410         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3411         (attr length): Don't use arm_sync_loop_insns.
3412         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3413         (movsfcc, movdfcc): Likewise.
3414         * config/arm/constraints.md (Ua): New.
3415         * config/arm/prediates.md (mem_noofs_operand): New.
3416         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3417         (sync_clobber, sync_t2_reqd): Remove.
3418         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3419         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3420         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3421         (arm_sync_compare_and_swap<SIDI>): Remove.
3422         (arm_sync_compare_and_swap<NARROW>): Remove.
3423         (arm_sync_lock_test_and_set<SIDI>): Remove.
3424         (arm_sync_lock_test_and_set<NARROW>): Remove.
3425         (arm_sync_new_<syncop><SIDI>): Remove.
3426         (arm_sync_new_<syncop><NARROW>): Remove.
3427         (arm_sync_new_nand<SIDI>): Remove.
3428         (arm_sync_new_nand<NARROW>): Remove.
3429         (arm_sync_old_<syncop><SIDI>): Remove.
3430         (arm_sync_old_<syncop><NARROW>): Remove.
3431         (arm_sync_old_nand<SIDI>): Remove.
3432         (arm_sync_old_nand<NARROW>): Remove.
3433         (*memory_barrier): Merge arm_output_memory_barrier.
3434         (atomic_compare_and_swap<QHSD>): New.
3435         (atomic_compare_and_swap<NARROW>_1): New.
3436         (atomic_compare_and_swap<SIDI>_1): New.
3437         (atomic_exchange<QHSD>): New.
3438         (cas_cmp_operand, cas_cmp_str): New.
3439         (atomic_op_operand, atomic_op_str): New.
3440         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3441         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3442         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3443         (arm_load_exclusive<NARROW>): New.
3444         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3445         (arm_store_exclusive<QHSD>): New.
3446
3447 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3448
3449         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3450         reload patterns if -mvsx-scalar-memory.
3451
3452         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3453         generated, even -mno-vsx-scalar-double was used.
3454         (vsx_xscvdpsp_scalar): Likewise.
3455         (vsx_xscvspdp_scalar2): Likewise.
3456
3457 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3458             Andrew Pinski  <apinski@cavium.com>
3459
3460         PR debug/51471
3461         * reorg.c (fill_slots_from_thread): Don't speculate
3462         frame-related insns.
3463
3464 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3465
3466         * sched-int.h (bb_note): Move to...
3467         * basic-block.h: ...here.
3468         * haifa-sched.c (bb_note): Move to...
3469         * cfgrtl.c: ...here.
3470         * function.c (next_block_for_reg): New function.
3471         (move_insn_for_shrink_wrap): Likewise.
3472         (prepare_shrink_wrap): Rewrite to use the above.
3473
3474 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3475
3476         * gimple.c (is_gimple_non_addressable): Remove.
3477         * gimple.h: Remove is_gimple_non_addressable.
3478         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3479         is_gimple_non_addressable.
3480         * trans-mem.c (expand_assign_tm): Same.
3481
3482 2012-01-09  Richard Guenther  <rguenther@suse.de>
3483
3484         PR tree-optimization/51775
3485         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3486         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3487
3488 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3489
3490         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3491         tuning parameters.
3492         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3493
3494 2012-01-09  Richard Guenther  <rguenther@suse.de>
3495
3496         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3497
3498 2012-01-08  Jan Hubicka  <jh@suse.cz>
3499
3500         PR tree-optimize/51680
3501         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3502         on when known_vals needs to be computed; cleanup.
3503
3504 2012-01-08  Jan Hubicka  <jh@suse.cz>