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1 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
3         PR middle-end/50335
4         * doc/invoke.texi (floop-flatten): Remove.
5         * toplev.c (process_options): Remove references to flag_loop_flatten.
6         * tree-ssa-loop.c (gate_graphite_transform): Same.
7         * common.opt (floop-flatten): Obsolete.
8         * graphite-poly.c (apply_poly_transforms): Remove reference to
9         flag_loop_flatten.
10         * Makefile.in (graphite-flattening.o): Remove.
11         * graphite-flattening.c: Remove.
13 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
15         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
16         having mode compatible with the mode of previous compare.  Substitute
17         compare mode of previous compare with the mode, compatible
18         with eliminated and previous compare.
20 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
22         * config/rs6000/dfp.md (floatdidd2): New define_insn.
24 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
26         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
27         compatible with CCGOCmode and CCGCmode.
29 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
31         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
33 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
35         * config/arm/arm.c (arm_sat_operator_match): New function.
36         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
37         * config/arm/arm.md ("insn" attribute): Add "sat" value.
38         ("SAT", "SATrev"): New code iterators.
39         ("SATlo", "SAThi"): New code iterator attributes.
40         ("*satsi_<SAT:code>"): New pattern.
41         ("*satsi_<SAT:code>_shift"): Likewise.
42         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
43         and "shift" attributes.
44         ("arm_usatsihi"): Add "insn" attribute.
45         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
46         by powers of two.  Do not allow shift by 32.
48 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
50         PR target/46716
51         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
52         to pass the argument in the register of "natural" mode.
54 2012-03-02  Richard Guenther  <rguenther@suse.de>
56         PR tree-optimization/52406
57         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
58         (struct indices): Add unconstrained_base member.
59         (struct dr_alias): Remove unused vops member.
60         (DR_UNCONSTRAINED_BASE): New define.
61         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
62         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
63         be an artificial access that covers the whole indexed object,
64         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
65         plain decl base-objects to their MEM_REF variant.
66         (dr_may_alias_p): When the base-object of either data reference
67         has unknown size use only points-to information.
68         (compute_affine_dependence): Make dumps easier to read and
69         more verbose.
70         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
71         DR_REF when looking for packed references.
72         (vect_supportable_dr_alignment): Likewise.
74 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
76         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
77         Improve conditions for peepholes of loads followed by commutative
78         operators.
79         * config/arm/ldmstm.md: Regenerated.
81 2012-03-02  Richard Guenther  <rguenther@suse.de>
83         * BASE-VER: Set to 4.8.0.
85 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
87         * config.gcc (obsolete): Add all ARM targets using the FPA.
88         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
89         * doc/install.texi: Avoid references to obsolete ARM ports.
91 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
93         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
95 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
96             Joern Rennecke  <joern.rennecke@embecosm.com>
98         * doc/extend.texi: Expand and update information on interrupt
99         attribute for Epiphany.
101 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
103         * config/sh/sh-protos.h: Update copyright notice dates.
104         * config/sh/sh.h: Likewise.
105         * config/sh/sh.md: Likewise.
106         * config/sh/constraints.md: Likewise.
107         * config/sh/predicates.md: Likewise.
109 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
111         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
112         * config/sh/sh.c (tertiary_reload_operand): Likewise.
114 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
116         * config/sh/constraints.md: Fix comment typo.
118 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
120         PR target/52408
121         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
122         unsigned HOST_WIDE_INT.
123         (zvdep_imm64): Likewise.
124         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
125         (vdepi_and): Likewise.
126         Likewise for unamed 64-bit patterns.
127         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
129 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
131         PR debug/52001
132         PR rtl-optimization/52417
133         * cselib.c (cselib_any_perm_equivs): New variable.
134         (cselib_reset_table): Check that it's not set when not
135         preserving constants.
136         (cselib_add_permanent_equiv): Set it.
137         (cselib_have_permanent_equivalences): New.
138         (cselib_init, cselib_finish): Reset it.
139         * cselib.h (cselib_have_permanent_equivalences): Declare.
140         * alias.c (get_addr): Restore earlier behavior when there
141         aren't permanent equivalences.
143 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
145         * config/mn10300/mn10300-modes.def: Fix copyright notice.
146         * config/v850/v850-modes.def: Fix copyright notice.
148 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
150         * doc/extend.texi (AVR Built-in Functions): Document
151         __builtin_avr_flash_segment.
153         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
154         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
155         (*split.flash_segment): New insn-and-split.
156         * config/avr/avr.c (avr_init_builtins): Add local variables:
157         const_memx_void_node, const_memx_ptr_type_node,
158         char_ftype_const_memx_ptr.
160 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
162         PR tree-optimization/52445
163         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
164         add ssa_name_ver, offset and size fields and change store field
165         to bool.
166         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
167         (add_or_mark_expr): Likewise.  Only consider previous stores
168         with the same size and offset.
169         (nt_init_block): Only look at gimple_assign_single_p stmts,
170         doesn't look at rhs2.
172 2012-03-01  Richard Guenther  <rguenther@suse.de>
174         PR middle-end/52443
175         * tree-cfg.c (verify_gimple_assign_unary): Allow any
176         conversions from integral types to pointer types.
178 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
180         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
181         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
182         unintentionally removed in r184616.
184 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
186         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
187         3DNow from bdver1.
189 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
190             Uros Bizjak  <ubizjak@gmail.com>
192         PR target/52437
193         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
194         alternatives, add "e" constraint to the new last alternative
195         and ! to last 3 alternatives.
197 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
199         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
200         DW_AT_artificial attributes at the end of the processing.
201         (gen_array_type_die): Likewise.
202         (gen_enumeration_type_die): Likewise.
203         (gen_struct_or_union_type_die): Likewise.
204         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
205         the parent type.
207 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
209         PR middle-end/52419
210         * expr.c (expand_assignment): If doing misaligned store that doesn't
211         cover all mode bits, perform a RMW cycle.
213         PR tree-optimization/52429
214         * tree-parloops.c (separate_decls_in_region_debug): Return early
215         if var is LABEL_DECL.
217 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
219         PR tree-optimization/52424
220         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
221         calling dom_thread_across_edge.
223 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
225         * config/avr/avr.c: Move definition of TARGET macros to end of file.
227 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
229         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
230         * config/avr/avr.c (avr_output_bld): Remove unused function.
231         (avr_out_sbxx_branch): Use "%T" to print bit position.
233 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
235         * config/avr/avr.md: Untabify.
237 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
239         * config/avr/avr.md (eqne): New code iterator.
240         (*dec-and-branchsi): Use it in text peephole's condition.
241         (*dec-and-branchhi): Ditto.
242         (*dec-and-branchqi): Ditto.
244 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
246         PR target/49939
247         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
248         the device does not have the skip-bug.
250 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
252         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
253         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
254         -mpretend-cmove): New.
256 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
258         PR bootstrap/52397
259         * df.h (struct df_d): Adjust comment that hard_regs_live_count
260         doesn't count DEBUG_INSN refs.
261         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
262         for DEBUG_INSN refs.
264 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
266         Partially revert:
268         2012-02-20  Richard Guenther  <rguenther@suse.de>
269         PR tree-optimization/52298
270         * tree-vect-stmts.c (vectorizable_load): Properly use
271         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
272         outer loops.
274 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
276         PR middle-end/51752
277         * gimple.h (gimple_in_transaction): New.
278         (gimple_set_in_transaction): New.
279         (struct gimple_statement_base): Add in_transaction field.
280         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
281         transaction loads.
282         (tree_ssa_lim_initialize): Compute transaction bits.
283         * tree.h (compute_transaction_bits): Protoize.
284         * trans-mem.c (tm_region_init): Use the heap to store BB
285         auxilliary data.
286         (compute_transaction_bits): New.
288 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
290         * gcc.c (display_help): Document --help=common and sort entries
291         alphabetically.
293 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
295         * doc/install.texi: Document check-$LANG specific shortcuts
297 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
299         PR target/51534
300         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
301         and vcgtu.
302         * config/arm/arm_neon.h: Regenerate.
303         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
304         (neon_vcgeu): New insn.
305         (neon_vcgtu): Likewise.
306         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
307         (ops): Unsigned comparison intrinsics call a different builtin.
309 2012-02-28  Richard Guenther  <rguenther@suse.de>
311         PR target/52407
312         * config/i386/i386.c (ix86_expand_vector_set): Fix element
313         ordering for the VEC_CONCAT for two element vectors for
314         V2SFmode, V2SImode and V2DImode.
316 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
318         PR target/49448
319         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
320         detecting big-endian triplets.
322 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
324         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
325         mode if there is no type information available.
327 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
329         PR tree-optimization/53207
330         * doc/invoke.texi: Document as experimental and relying on graphite.
332 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
334         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
335         of initializer to changes from r184614.
337 2012-02-28  Richard Guenther  <rguenther@suse.de>
339         PR tree-optimization/52395
340         * tree-sra.c (build_ref_for_offset): Also look at the base
341         TYPE_ALIGN when figuring out the alignment of the replacement.
343 2012-02-28  Richard Guenther  <rguenther@suse.de>
345         PR tree-optimization/52402
346         * ipa-prop.c (ipa_modify_call_arguments): Properly use
347         mis-aligned types when creating the accesses at the call site.
349 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
351         * config/avr/builtins.def: New file.
352         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
353         * config/avr/avr.c (enum avr_builtin_id): Use it.
354         (avr_init_builtins): Use it. And use avr_bdesc.
355         (bdesc_1arg): Remove.
356         (bdesc_2arg): Remove.
357         (bdesc_3arg): Remove.
358         (struct avr_builtin_description): Add field n_args.
359         (avr_bdesc): New static variable using builtins.def.
360         (avr_expand_builtin): Use it.
361         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
362         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
363         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
365 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
367         PR target/52148
368         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
369         match only one single hard register with respective hard reg rtx.
370         (movmemx_<mode>): Ditto.
371         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
372         insn anatomy of movmem[x]_<mode>.
373         (avr_out_movmem): Same for printing assembler and operand usage.
375 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
377         PR target/49868
378         PR target/52261
379         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
380         address spaces located outside of device flash.
382         * config/avr/avr.h (base_arch_s): Remove field n_segments.
383         (mcu_type_s): Add field n_flash.
384         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
385         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
386         (AVR_MCU): Add N_FLASH argument.
387         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
388         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
389         macro __FLASH<n> if that address space makes sense for the device.
390         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
391         outside of target flash.
392         (avr_asm_named_section): Ditto.
393         (avr_asm_select_section): Ditto.
394         (avr_addr_space_convert): Ditto.
395         (avr_emit_movmemhi): Ditto.
396         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
397         address space is outside of device flash.
398         (avr_insert_attributes): Ditto.
399         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
400         avr_current_arch->n_segments.
402 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
404         PR target/52352
405         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
406         (*movabs<mode>_2): Likewise.
408 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
410         PR target/52375
411         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
412         s_register_operand in the test instead of REG_P.  Don't call
413         gen_reg_rtx if it won't be used.
415         PR tree-optimization/52376
416         * ipa-split.c (split_function): Ignore CLOBBER stmts.
418 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
420         * ifcvt.c (noce_get_condition): Check condition variable is not
421         small_register_classes_for_mode_p before accepting.
423 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
425         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
427 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
429         Revert:
430         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
431         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
432         tuning parameters.
433         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
435 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
437         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
439 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
441         * config/sh/predicates.md: Remove blank lines.
442         * config/sh/sh.c: Fix typos in comments.
443         * config/sh/constraints.md: Likewise.
444         * config/sh/sh.md: Remove blank lines.
445         Fix typos in comments.  Use ;; as comment characters.
447 2012-02-26  Walter Lee  <walt@tilera.com>
449         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
450         (replace_mov_pcrel_step2): Ditto.
452 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
454         PR debug/52001
455         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
456         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
457         and locs that reference values newer than the non-canonical value
458         at hand.  Return the canonical value as a worst case.
459         (memrefs_conflict_p): Walk canonical value's locs.
461         PR debug/52001
462         * cselib.c (preserve_only_constants): Rename to...
463         (preserve_constants_and_equivs): ... this.  Split out...
464         (invariant_or_equiv_p): ... this.  Preserve plus expressions
465         of other preserved expressions too.
466         (cselib_reset_table): Adjust.
467         * var-tracking.c (reverse_op): Use canonical value to build
468         reverse operation.
470 2012-02-23  Kai Tietz  <ktietz@redhat.com>
472         * config/i386/i386.c (ix86_delegitimize_address): Handle
473         UNSPEC_PCREL plus displacement.
475 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
477         PR target/52261
478         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
479         to test for unusedness in st X addressing.
481 2012-02-24  Richard Guenther  <rguenther@suse.de>
483         PR middle-end/52361
484         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
485         (is_gimple_reg_type): Move inline ...
486         * gimple.h (is_gimple_reg_type): ... here.
488 2012-02-24  Richard Guenther  <rguenther@suse.de>
490         PR middle-end/52361
491         * passes.c (execute_function_todo): When verifying SSA form
492         verify gimple form first.
493         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
495 2012-02-24  Richard Guenther  <rguenther@suse.de>
497         PR middle-end/52355
498         * fold-const.c (fold_addr_of_array_ref_difference): New function.
499         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
501 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
503         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
505 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
507         * tree-phinodes.c (make_phi_node): Mark static.
508         * tree-flow.h (make_phi_node): Remove extern decl.
509         * doc/gimple.texi (make_phi_node): Remove documentation.
511 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
513         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
514         * tree-ssa-sccvn.c (print_scc): Ditto.
516 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
518         * doc/passes.texi (Full redundancy elimination): Fix typo.
520 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
522         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
524 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
526         PR bootstrap/52287
527         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
529 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
531         PR c/52290
532         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
534 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
536         * config/avr/avr.md (code_stdname): Add ior, xor.
537         (xior): New code iterator.
538         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
539         (*<code_stdname><mode>qi.byte1-3): Ditto.
541 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
543         PR tree-optimization/52019
544         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
545         CLOBBER stmts.
547 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
549         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
550         HAVE_INITFINI_ARRAY to work around namespace pollution in
551         certain versions of newlib system headers.
552         * config.in: Regenerate.
553         * configure: Regenerate.
554         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
555         instead of HAVE_INITFINI_ARRAY.
557 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
559         PR target/52330
560         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
561         is not offsettable memory reference.
563 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
565         PR target/18145
566         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
567         setting avr_need_clear_bss_p for __gnu_lto* symbols.
569 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
571         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
572         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
574 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
576         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
577         library on Solaris 8 even without TLS support.
578         * configure: Regenerate.
580 2012-02-22  Richard Guenther  <rguenther@suse.de>
582         PR middle-end/52329
583         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
584         for GIMPLE_DEBUG stmts.
586 2012-02-22  Martin Jambor  <mjambor@suse.cz>
588         PR middle-end/51782
589         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
590         according to the base object.
592 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
594         PR rtl-optimization/50063
595         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
596         and 2 (8-bit SP) in operand 2.
597         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
598         setup to use movhi_sp_r instead of vanilla move to write SP.
599         Adjust REG_CFA notes to superseed unspec.
600         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
601         of vanilla move.
602         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
603         known to be off) only with TARGET_NO_INTERRUPTS. Never use
604         irq_state 1 (IRQ known to be on) here.
606 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
608         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
609         WORDS_BIG_ENDIAN.
610         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
611         assign_hard_reg): Likewise.
613 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
615         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
617 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
619         * config/avr/avr.md
620         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
621         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
623 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
625         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
626         prototype from here to...
627         * config/avr/avr.h: ...here.
629 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
631         PR target/52294
632         * thumb2.md (thumb2_shiftsi3_short): Split register and
633         immediate shifts.  For register shifts tie operands 0 and 1.
634         (peephole2 for above): Check that register-controlled shifts
635         have suitably tied operands.
637 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
639         PR target/52137
640         * config/i386/bdver1.md (bdver1_call, bdver1_push,
641         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
642         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
643         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
644         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
645         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
646         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
647         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
648         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
649         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
650         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
651         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
652         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
653         bdver1_ssevector_avx256_unaligned_load,
654         bdver1_ssevector_sse128_unaligned_load,
655         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
656         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
657         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
658         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
659         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
660         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
661         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
662         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
663         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
664         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
665         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
666         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
667         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
668         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
669         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
670         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
671         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
672         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
673         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
674         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
675         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
676         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
677         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
678         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
679         bdver1_ssediv_double_load, bdver1_ssediv_double,
680         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
681         Add "bdver2" attribute.
683 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
685         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
686         default if possible and not specified otherwise.
688 2012-02-21  Richard Guenther  <rguenther@suse.de>
690         PR middle-end/52314
691         * gimplify.c (create_tmp_from_val): Use the main variant type
692         for the type of the temporary we create.
694 2012-02-21  Richard Guenther  <rguenther@suse.de>
696         PR tree-optimization/52324
697         * gimplify.c (gimplify_expr): When re-gimplifying expressions
698         do not gimplify a MEM_REF address operand if it is already
699         in suitable form.
701 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
703         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
704         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
706 2012-02-21  Richard Guenther  <rguenther@suse.de>
708         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
709         nested_in_vect_loop.
711 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
713         PR tree-optimization/52318
714         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
715         vdef also to non-pure/const call stmts in the sequence.
717 2012-02-20  David S. Miller  <davem@davemloft.net>
719         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
720         don't use the "rd %pc" instruction on v9 for PIC register loads.
722 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
724         PR middle-end/52141
725         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
726         in a transaction safe function.
728 2012-02-20  Kai Tietz  <ktietz@redhat.com>
730         PR target/52238
731         * stor-layout.c (place_field): Handle desired_align for
732         ms-bitfields, too.
734 2012-02-20  Richard Guenther  <rguenther@suse.de>
736         PR tree-optimization/52298
737         * tree-vect-stmts.c (vectorizable_store): Properly use
738         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
739         outer loops.
740         (vectorizable_load): Likewise.
741         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
742         Access DR_STEP after ensuring it is not NULL.
744 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
746         PR tree-optimization/52286
747         * fold-const.c (fold_binary_loc): For (X & C1) | C2
748         optimization use double_int_to_tree instead of build_int_cst_wide,
749         rewrite to use double_int vars.
751 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
753         PR target/50166
754         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
755         Define _start.
756         Remove -e 0 from $gcc_cv_ld invocation.
757         Only use __GLIBC_PREREQ if defined.
758         Enable on Solaris since Solaris 8 patch.
759         (gcc_SUN_LD_VERSION): New macro.
760         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
761         gcc_SUN_LD_VERSION for version number format.
762         * configure: Regenerate.
763         * varasm.c (get_elf_initfini_array_priority_section): Set
764         SECTION_NOTYPE for non-default priority.
765         Use get_section instead of get_unnamed_section to emit
766         .init_array/.fini_array with default priority.
768 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
770         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
771         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
772         (mips_start_unique_function, mips_output_mips16_rdhwr)
773         (mips_code_end): New functions.
774         (TARGET_ASM_CODE_END): Define.
776 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
778         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
779         to stubs with non-sibling calls.
781 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
783         * doc/invoke.texi (-fira-* options): Copy-edit.
784         (ira-* parameters): Copy-edit.
786 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
788         * doc/invoke.texi: Minor copy-edits to bring into conformance with
789         GCC coding conventions.
791 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
793         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
794         when used as adjectives.
796 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
798         * doc/invoke.texi: Clean up "that"/"which" confusion.
800 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
802         * system.h: Poison SMALL_REGISTER_CLASSES
803         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
804         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
806 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
808         PR tree-optimization/52285
809         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
810         when deciding if a call is a tail call or tail recursion.
812 2012-02-16  Kai Tietz  <ktietz@redhat.com>
814         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
815         interger-constant displacement for UNSPEC_PCREL.
817 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
819         PR rtl-optimization/52208
820         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
821         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
823         PR tree-optimization/52255
824         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
825         loop->header has virtual PHI, but exit_e->dest doesn't, add
826         virtual PHI to exit_e->dest and adjust all uses after the loop.
828         PR debug/52260
829         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
830         children with clone_tree_hash, not after it.
832 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
834         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
835         extended identifiers.
837 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
839         PR middle-end/51929
840         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
841         a same_body_alias, also test whether e->callee isn't a former
842         or current clone of the decl this is a same body alias of.
844         PR translation/52264
845         * cgraphunit.c (verify_cgraph_node): Fix a typo.
847 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
849         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
851 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
853         PR target/52199
854         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
855         force_reg instead of copy_to_reg for better optimization.  Force
856         non-register or memory operands into a register.
858 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
860         * extend.texi: Reserve upper bits of memory model for future use.
862 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
863             Anatoly Sokolov <aesok@post.ru>
864             Eric Weddington <eric.weddington@atmel.com>
866         PR target/52261
867         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
868         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
869         Rewrite initializers for .macro.
870         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
871         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
872         atxmega32d4, atxmega32x1.
873         avrxmega4: atxmega64a3, atxmega64d3.
874         avrxmega5: atxmega64a1, atxmega64a1u.
875         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
876         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
877         avrxmega7: atxmega128a1, atxmega128a1u.
878         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
879         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
880         (struct base_arch_s): Rename reserved to xmega_p.
881         Rename reserved2 to have_rampd.
882         (AVR_XMEGA): New define.
883         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
884         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
885         * config/avr/predicates.md (io_address_operand): Take into
886         account SFR offset.
887         (low_io_address_operand): Ditto.
888         (high_io_address_operand): Ditto.
889         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
890         (enabled, movhi_sp_r): Use them.
891         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
892         cpp_define_formatted to built-in define __AVR_ARCH__.
893         (__AVR_XMEGA__): New built-in define.
894         (__AVR_HAVE_RAMPD__): New built-in define.
895         (__AVR_HAVE_RAMPX__): New built-in define.
896         (__AVR_HAVE_RAMPY__): New built-in define.
897         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
899         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
900         (avr_option_override): Initialize them.
901         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
902         (avr_init_expanders): Initialize them. No more block several calls.
903         (emit_push_sfr): New static function.
904         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
905         Handle AVR_XMEGA.
906         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
907         (avr_print_operand): Print addreeses as symbols for
908         RAMPX, RAMPY, RAMPD, CCP.
909         (output_movhi): Handle AVR_XMEGA when writing to SP.
910         (avr_out_movhi_mr_r_xmega): New static function.
911         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
912         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
913         __RAMPD__,  __CCP__ as needed.
915         * config/avr/multilib.h: Regenerate.
916         * config/avr/t-multilib: Regenerate.
917         * config/avr/avr-tables.opt: Regenerate.
919 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
921         PR tree-optimization/50561
922         * graphite-flattening.c (lst_project_loop): Do not
923         remove old scattering dimensions after flattening.
924         (lst_do_flatten): Likewise.
926 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
928         * doc/extend.texi (AVR Built-in Functions): Remove doc for
929         __builtin_avr_map8, __builtin_avr_map16.
930         Document __builtin_avr_insert_bits.
932         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
933         (insert_bits): New insn.
934         (adjust_len.map_bits): Rename to insert_bits.
935         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
936         * avr-protos.h (avr_out_map_bits): Remove.
937         (avr_out_insert_bits, avr_has_nibble_0xf): New.
938         * config/avr/constraints.md (Cxf,C0f): New.
939         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
940         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
941         New built-in define __BUILTIN_AVR_INSERT_BITS.
942         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
943         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
944         (avr_move_bits): Rewrite.
945         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
946         functions.
947         (avr_map_op_t): New typedef.
948         (avr_map_op): New static variable.
949         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
950         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
951         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
952         (bdesc_3arg, avr_expand_triop_builtin): New.
953         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
954         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
955         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
956         (avr_map_equal_p, avr_map_sig_p): Remove.
957         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
958         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
959         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
960         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
961         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
962         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
964 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
966         * config/c6x/c6x.md (reserve_cycles): New attribute.
967         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
968         don't reserve functional units after the branch occurs.
970 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
972         PR middle-end/52142
973         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
974         functions into non-tm_pure functions.
976 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
978         PR lto/52178
979         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
980         (iterative_hash_canonical_type): Likewise.
981         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
982         the dead edges.
984 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
986         * haifa-sched.c (prune_ready_list): Ensure that if there is a
987         sched-group insn, it either remains alone or the entire list is pruned.
989 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
991         * doc/install.texi (Prerequisites): Fix grammar.
992         (Configuration): Likewise.
994 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
996         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
997         MPC as part of GCC before describing configuring with --with-gmp etc.
998         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
999         sources are present.
1001 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1003         PR debug/51950
1004         * dwarf2out.c (clone_tree_hash): New function.
1005         (copy_decls_walk): Use it instead of clone_tree.
1007 2012-02-14  Richard Guenther  <rguenther@suse.de>
1009         PR tree-optimization/52244
1010         PR tree-optimization/51528
1011         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1012         replacements for integral types.
1014 2012-02-14  Walter Lee  <walt@tilera.com>
1016         * config.gcc: Handle tilegx and tilepro.
1017         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1018         tilegx and tilepro.
1019         Add HAVE_AS_TLS check for tilegx and tilepro.
1020         * configure: Regenerate.
1021         * doc/contrib.texi: Add Mat Hostetter and self.
1022         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1023         Document instruction intrinsics and network accessing intrinsics.
1024         (TILEPro Built-in Functions): New node.  Document instruction
1025         intrinsics and network accessing intrinsics.
1026         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1027         (Specific, tilepro-*-linux*): Likewise.
1028         * doc/invoke.texi (TILE-Gx Options): New section.
1029         (TILEPro Options): New section.
1030         * doc/md.texi (TILE-Gx): New section.
1031         (TILEPro): New section.
1032         * common/config/tilegx/tilegx-common.c: New file.
1033         * common/config/tilepro/tilepro-common.c: New file.
1034         * config/tilegx/constraints.md: New file.
1035         * config/tilegx/linux.h: New file.
1036         * config/tilegx/mul-tables.c: New file.
1037         * config/tilegx/predicates.md: New file.
1038         * config/tilegx/sync.md: New file.
1039         * config/tilegx/t-tilegx: New file.
1040         * config/tilegx/tilegx-builtins.h: New file.
1041         * config/tilegx/tilegx-c.c: New file.
1042         * config/tilegx/tilegx-generic.md: New file.
1043         * config/tilegx/tilegx-modes.def: New file.
1044         * config/tilegx/tilegx-multiply.h: New file.
1045         * config/tilegx/tilegx-protos.h: New file.
1046         * config/tilegx/tilegx.c: New file.
1047         * config/tilegx/tilegx.h: New file.
1048         * config/tilegx/tilegx.md: New file.
1049         * config/tilegx/tilegx.opt: New file.
1050         * config/tilepro/constraints.md: New file.
1051         * config/tilepro/gen-mul-tables.cc: New file.
1052         * config/tilepro/linux.h: New file.
1053         * config/tilepro/mul-tables.c: New file.
1054         * config/tilepro/predicates.md: New file.
1055         * config/tilepro/t-tilepro: New file.
1056         * config/tilepro/tilepro-builtins.h: New file.
1057         * config/tilepro/tilepro-c.c: New file.
1058         * config/tilepro/tilepro-generic.md: New file.
1059         * config/tilepro/tilepro-modes.def: New file.
1060         * config/tilepro/tilepro-multiply.h: New file.
1061         * config/tilepro/tilepro-protos.h: New file.
1062         * config/tilepro/tilepro.c: New file.
1063         * config/tilepro/tilepro.h: New file.
1064         * config/tilepro/tilepro.md: New file.
1065         * config/tilepro/tilepro.opt: New file.
1067 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1069         PR tree-optimization/52210
1070         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1071         vect_model_simple_cost with two entry vect_def_type array instead
1072         of an address of dt.
1074 2012-02-14  Richard Guenther  <rguenther@suse.de>
1076         PR lto/52178
1077         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1078         Do not stream DECL_QUALIFIER.
1079         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1080         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1081         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1083 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1085         PR c/52181
1086         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1087         newdecl.
1089 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1091         PR bootstrap/52172
1092         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1093         * cselib.c (cselib_subst_to_values_from_insn): New function.
1094         * sched-deps.c (add_insn_mem_dependence,
1095         sched_analyze_1, sched_analyze_2): Use it.
1097 2012-02-13  Jan Hubicka  <jh@suse.cz>
1099         PR middle-end/52214
1100         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1102 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1104         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1105         (GTM_SELF_SPECS): Define if not already defined.
1106         (driver_self_specs): Add GTM_SELF_SPECS.
1107         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1108         (GTM_SELF_SPECS): Define.
1109         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1110         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1112 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1114         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1115         away if seen.
1117         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1119         PR middle-end/52230
1120         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1121         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1123 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1125         PR c/52190
1126         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1128 2012-02-13  Richard Guenther  <rguenther@suse.de>
1130         PR translation/52211
1131         * passes.c (enable_disable_pass): Fix typo.
1133 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1135         PR middle-end/52209
1136         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1137         XOR for reduce_bit_field if type is unsigned.
1139 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1141         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1142         disallow changes from SFmode to mode with different size in FP regs.
1144 2012-02-12  Robert Millan  <rmh@gnu.org>
1145             Gerald Pfeifer <gerald@pfeifer.com>
1147         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1148         Tweak comment.
1150 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1152         PR rtl-optimization/52175
1153         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1154         to frame-related instructions.
1156 2012-02-10  Jason Merrill  <jason@redhat.com>
1158         PR c++/51910
1159         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1160         (demangle_new_symbols): Fill it.
1161         (scan_linker_output): Walk it.
1162         (start_tweaking): Split out from scan_linker_output.
1163         (maybe_tweak): Update sym->chosen.
1164         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1166 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1168         PR debug/52132
1169         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1171 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1173         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1174         having the same mode as previous compare.
1176 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1178         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1179         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1180         (nonlocal_goto_internal): Likewise.
1181         (nonlocal_goto): Emit a use and an indirect jump directly.
1183 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1185         PR c/52190
1186         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1187         __atomic_{is,always}_lock_free.
1189 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1191         PR target/52146
1192         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1193         negative constant address for x32.
1195 2012-02-10  Richard Henderson  <rth@redhat.com>
1197         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1198         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1199         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1201 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1202             Ira Rosen  <irar@il.ibm.com>
1204         PR tree-optimization/50031
1205         * targhooks.c (default_builtin_vectorization_cost): Handle
1206         vec_promote_demote.
1207         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1208         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1209         all types of reduction and pattern statements.
1210         (vect_estimate_min_profitable_iters): Likewise.
1211         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1212         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1213         for explicit realigns.
1214         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1215         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1216         vec_promote_demote.
1217         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1218         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1219         vec_perm for VSX and handle vec_promote_demote.
1221 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1223         PR middle-end/52177
1224         * builtins.c (fold_builtin_atomic_always_lock_free,
1225         expand_builtin_atomic_always_lock_free,
1226         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1227         Return and/or test boolean_true_node/boolean_false_node instead of
1228         integer_one_node/integer_zero_node.
1230 2012-02-10  Jan Hubicka  <jh@suse.cz>
1232         PR middle-end/48600
1233         * predict.c (predict_paths_for_bb): Prevent looping.
1234         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1236 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1238         * config/arm/arm.c (output_move_double): In one case properly
1239         count number of instructions that will be emitted.
1241 2012-02-10  Richard Guenther  <rguenther@suse.de>
1243         PR translation/52193
1244         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1246 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1248         PR middle-end/52140
1249         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1251 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1253         PR debug/52165
1254         * var-tracking.c (emit_note_insn_var_location): If
1255         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1256         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1257         non-NOTE_DURING_CALL_P insn.
1259 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1261         PR middle-end/51867
1262         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1264 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1266         PR driver/48524
1267         * gcc.c (switch_matches) Support switches with separated form,
1268         -D and -U.
1270 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1272         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1273         (SP_ADDR): Ditto.
1274         (RAMPZ_ADDR): Ditto.
1275         * config/avr/avr.c (avr_addr_t): New typedef.
1276         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1277         (avr_init_expanders): Initialize it.
1278         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1279         SREG_ADDR.
1280         (expand_epilogue): Ditto.
1281         (avr_print_operand): Ditto.
1282         (avr_file_start): Ditto.
1283         (avr_emit_movmemhi): Ditto.
1285 2012-02-08  Richard Guenther  <rguenther@suse.de>
1287         PR tree-optimization/46886
1288         * tree-flow.h (do_while_loop_p): Declare.
1289         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1290         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1292 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1294         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1295         always succeed for integers larger than a native word.
1297 2012-02-08  Richard Guenther  <rguenther@suse.de>
1299         PR rtl-optimization/52170
1300         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1301         properly handle integer vector modes.
1303 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1305         PR gcov-profile/52150
1306         * coverage.c: Include target.h.
1307         (build_var): Call targetm.strip_name_encoding on the assembler name.
1308         Change one _ into . or $ if the target allows it.
1309         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1311         PR rtl-optimization/52139
1312         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1313         is a BARRIER after emit_insn_after_noloc, move BB_END
1314         to the last non-BARRIER insn before it.
1316 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1318         PR middle-end/24306
1319         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1320         (mips_gimplify_va_arg_expr): Call it instead of
1321         std_gimplify_va_arg_expr.
1323 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1325         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1326         message for -mno-pointers-to-nested-function.
1328 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1330         PR middle-end/51994
1331         * expr.c (get_inner_reference): If there is an offset, add a negative
1332         bit position to it (if any).
1334 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1336         PR rtl-optimization/52060
1337         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1338         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1339         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1340         and/or i0src_copy2 when needed.
1342 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1344         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1345         or LTOPLUGINSONAME if have_c.
1347         * config/freebsd-spec.h: Add comment about what macros can be defined
1348         in this header.
1349         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1350         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1351         here instead.
1353 2012-02-07  Richard Guenther  <rguenther@suse.de>
1355         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1356         newline in -alias dumps.
1358 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1359             Dave Korn  <dave.korn.cygwin@gmail.com>
1361         PR target/40068
1362         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1363         Take care that typinfo gets dllexport-attribute.
1365 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1367         PR middle-end/52074
1368         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1369         if modifier < EXPAND_SUM call force_operand on the result.
1371 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1373         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1374         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1375         present.
1376         (epiphany_function_type): Replace types for specific interrupts with
1377         EPIPHANY_FUNCTION_INTERRUPT.
1378         (EPIPHANY_INTERRUPT_P): Update.
1379         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1380         New static function.
1381         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1382         <disinterrupt>: Affects type identity.
1383         (epiphany_handle_interrupt_attribute): Handle variable number of
1384         arguments.
1385         (epiphany_compute_function_type): Update for new
1386         epiphany_function_type definition.
1387         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1388         handlers with a longcall forwarder.
1389         (epiphany_start_function): Handle multiple interrupt arguments and/or
1390         forwarder_section attribute.
1392         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1393         libgloss.
1395 2012-02-07  Alan Modra  <amodra@gmail.com>
1397         PR target/52107
1398         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1399         subregs of TFmode.
1401 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1403         PR tree-optimization/50969
1404         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1405         use vec_perm rather than vector_stmt.
1406         (vect_model_load_cost): Likewise.
1407         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1408         vec_perm to be the same as other vector statements.
1409         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1410         cost of vec_perm for TARGET_VSX.
1412 2012-02-06  Richard Guenther  <rguenther@suse.de>
1414         PR tree-optimization/52115
1415         * tree-sra.c (access_has_replacements_p): New function.
1416         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1418 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1420         PR middle-end/52047
1421         * trans-mem.c (expand_call_tm): Add an assertion.
1422         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1423         functions.
1425 2012-02-06  Richard Guenther  <rguenther@suse.de>
1427         PR tree-optimization/50955
1428         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1429         raise cost of expressions that replace an address with an
1430         expression based on a different pointer.
1432 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1434         PR target/52129
1435         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1436         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1438 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1440         PR c++/48680
1441         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1442         -Weffc++ and specify guidelines come from second edition.
1444 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1446         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1447         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1448         (call_direct_split, call_value_split, call_value_internal_direct)
1449         (call_value_direct_split, call_value_multiple_split): Use jal and
1450         jal_macro attributes.
1452 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1454         * reload1.c (reload_regs_reach_end_p): Replace with...
1455         (reload_reg_rtx_reaches_end_p): ...this function.
1456         (new_spill_reg_store): Update commentary.
1457         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1458         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1459         before setting new_spill_reg_store.
1460         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1461         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1462         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1463         for non-spill reload registers.
1465 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1467         PR tree-optimization/52091
1468         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1469         (vect_is_simple_use_1): Likewise.
1470         * tree-vect-loop.c (vectorizable_reduction): Update calls
1471         to vect_is_simple_use_1 and vect_is_simple_use.
1472         (vectorizable_live_operation): Likewise.
1473         * tree-vect-patterns.c (widened_name_p,
1474         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1475         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1476         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1477         vectorizable_shift,vectorizable_operation, vectorizable_store,
1478         vectorizable_load): Likewise.
1479         (vect_is_simple_cond): Add an argument, pass it to
1480         vect_is_simple_use_1.
1481         (vectorizable_condition): Update calls to vect_is_simple_cond,
1482         vect_is_simple_use.
1483         (vect_is_simple_use): Add an argument, the statement in which
1484         OPERAND is used.  Check that if OPERAND's def stmt is a double
1485         reduction phi node, the use is a phi node too.
1486         (vect_is_simple_use_1): Add an argument, pass it to
1487         vect_is_simple_use.
1488         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1489         to vect_is_simple_use.
1491 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1493         PR rtl-optimization/52095
1494         * modulo-sched.c (dump_insn_locator): New function.
1495         (loop_canon_p, sms_schedule): Use it.
1497         PR rtl-optimization/52113
1498         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1499         even for decomposable shift/zext insns.
1501 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1502             Zdenek Dvorak  <ook@ucw.cz>
1504         PR rtl-optimization/52092
1505         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1506         on get_iv_value result.
1508 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1510         PR middle-end/47982
1511         PR middle-end/43967
1512         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1514 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1516         PR middle-end/48071
1517         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1519 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1521         PR rtl-optimization/49800
1522         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1523         (sched_finish): Call regstat_free_n_sets_and_refs.
1525 2012-02-02  Jia Liu  <proljc@gmail.com>
1527         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1528         than operand 2.
1530 2012-02-02  Jan Hubicka  <jh@suse.cz>
1531             Tom de Vries  <tom@codesourcery.com>
1533         PR middle-end/51998
1534         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1535         * varpool.c (varpool_analyze_pending_decls): Likewise.
1537 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1538             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1540         * config.gcc: Add cr16-* support.
1542         * doc/extend.texi: Document cr16 extensions.
1543         * doc/install.texi: Document cr16 install.
1544         * doc/invoke.texi: Document cr16 options.
1545         * doc/md.texi: Document cr16 constraints.
1547         * common/config/cr16/cr16-common.c: New file.
1548         * config/cr16/cr16.c: New file.
1549         * config/cr16/cr16.h: New file.
1550         * config/cr16/cr16.md: New file.
1551         * config/cr16/cr16.opt: New file.
1552         * config/cr16/cr16-protos.h: New file.
1553         * config/cr16/predicates.md: New file.
1554         * config/cr16/constraints.md: New file.
1555         * config/cr16/t-cr16: New file.
1557 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1559         PR target/52086
1560         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1561         that operands[2] is either immediate, or q_regs_operand.
1563         PR tree-optimization/52073
1564         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1565         a pattern stmt for pattern uses, ignore uses outside of the loop.
1567 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1569         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1570         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1571         (OUT_AS1, OUT_AS2): Remove.
1573 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1575         PR rtl-optimization/51374
1576         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1577         to cross other volatile_refs_p insns.
1579 2012-02-01  Richard Guenther  <rguenther@suse.de>
1581         * doc/invoke.texi (fno-inline): Clarify documentation.
1582         (finline-small-functions): Likewise.
1583         (finline-functions): Likewise.
1584         * common.opt (finline): Adjust comment and documentation.
1585         (finline-small-functions): Clarify documentation.
1586         (finline-functions): Likewise.
1587         (finline-functions-called-once): Likewise.
1589 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1591         * c-typeck.c (composite_type): Keep mode for pointers.
1593 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1595         * function.h (regno_reg_rtx): Adjust comment.
1596         * reginfo.c (init_reg_modes_target): Only use the previous mode
1597         if it fits within one register.  Remove MIPS comment.
1599 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1601         PR bootstrap/52058
1602         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1604 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1606         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1607         to srak instruction.
1609 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1611         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1613 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1615         PR bootstrap/52041
1616         PR bootstrap/52039
1617         PR target/51974
1618         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1620 2012-01-31  Richard Guenther  <rguenther@suse.de>
1622         PR tree-optimization/51528
1623         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1624         assigns.
1626 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1628         PR bootstrap/52041
1629         PR bootstrap/52039
1630         PR target/51974
1631         * ree.c (add_removable_extension): Change def_map argument
1632         to unsigned *, store in def_map 1 + offset into *insn_list vector
1633         instead of pointers into the vector.
1634         (find_removable_extensions): Adjust caller.
1636 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1638         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1639         Transform all "* quoted-c-code" to { c-code }.
1640         Remove redundant test for "optimize" in combine patterns.
1641         Move (include "avr-dimode.md") to end of file.
1643 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1645         PR target/51835
1646         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1647         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1649 2012-01-30  Richard Guenther  <rguenther@suse.de>
1651         PR tree-optimization/52028
1652         * tree-loop-distribution.c (ldist_gen): Properly update
1653         virtual SSA form.
1655 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1657         PR debug/52027
1658         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1659         set_cur_line_info_table if not emitting debug info.
1661         PR tree-optimization/52046
1662         * tree-vect-patterns.c (check_bool_pattern): Give up if
1663         a comparison could throw.
1665         PR debug/52048
1666         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1668 2012-01-30  Richard Guenther  <rguenther@suse.de>
1670         PR tree-optimization/52045
1671         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1672         SSA form if cfgcleanup did anything.
1674 2012-01-30  Richard Guenther  <rguenther@suse.de>
1676         PR tree-optimization/52045
1677         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1678         before computing final todo.
1680 2012-01-30  Richard Guenther  <rguenther@suse.de>
1682         PR tree-optimization/51528
1683         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1684         for PR51528 fix.
1686 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1688         * df-problems.c (df_kill_notes): Check that the use refers
1689         to the note under examination.
1691 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1693         PR target/51920
1694         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1695         parameter and use short-lived pseudos.
1696         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1697         (sparc_expand_vector_init): Const-ify local variables and adjust
1698         calls to above functions.
1700 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1702         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1704 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1706         * doc/invoke.texi: Make usage of "compile time" and
1707         "run time"/"runtime" consistent throughout the file.
1709 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1711         * config/alpha/alpha.c (alpha_option_override): Default to
1712         full IEEE compliance mode for Go language.
1714 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1716         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1717         (LINK_SSP_SPEC): Define.
1719 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1721         PR target/51871
1722         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1723         stubs.
1725 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1727         * doc/invoke.texi: Correct hyphenation of "floating point",
1728         "double precision", and related terminology throughout the file.
1730 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1732         PR target/52006
1733         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1734         arm_general_register_operand predicate for operand 2 instead of
1735         register_operand.
1737 2012-01-27  Ian Lance Taylor  <iant@google.com>
1739         PR go/47656
1740         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1741         * builtins.c (expand_builtin_init_trampoline): Add onstack
1742         parameter.  Change caller.
1743         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1744         * tree.c (build_common_builtin_nodes): Declare
1745         __builtin_init_heap_trampoline.
1747 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1749         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1750         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1751         * config/avr/avr.c: Ditto.
1752         (avr_regnames): Remove because unused.
1753         * config/avr/avr.md (*cpse.ne): New peephole.
1754         (*cpse.eq): New peephole from former cpse peepholes.
1756 2012-01-27  Michael Eager  <eager@eagercon.com>
1758         * config/microblaze.c (microblaze_emit_compare): Correct
1759         test after pcmp instruction.
1761 2012-01-27  Richard Guenther  <rguenther@suse.de>
1763         PR tree-optimization/52020
1764         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1766 2012-01-27  Richard Guenther  <rguenther@suse.de>
1768         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1769         function non-const/pure.
1771 2012-01-27  Richard Guenther  <rguenther@suse.de>
1773         PR tree-optimization/50444
1774         * tree-sra.c (build_ref_for_offset): Properly adjust the
1775         MEM_REF type for unaligned accesses.
1777 2012-01-27  Richard Guenther  <rguenther@suse.de>
1779         PR tree-optimization/50444
1780         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1781         (expand_assignment): Use it.  Properly handle misaligned
1782         bases when expanding stores to component references.
1783         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1784         refactor that case.
1786 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1788         PR middle-end/51389
1789         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1790         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1791         * tree-data-ref.c (find_data_references_in_loop): Make static.
1792         (compute_all_dependences): Change return type to bool.  Bail out
1793         for too many datarefs in a loop.  Move the hunk resetting the data
1794         dependences vector from ...
1795         (compute_data_dependences_for_loop): ... here.  Account for
1796         compute_all_dependences returning false.
1797         (compute_data_dependences_for_bb): Likewise.
1798         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1799         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1801 2012-01-27  Richard Guenther  <rguenther@suse.de>
1803         PR middle-end/51959
1804         * expr.c (store_field): Use the alias-set of the scratch memory
1805         for storing to it.
1807 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1809         PR tree-optimization/51990
1810         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1811         WITH_SIZE_EXPR.
1812         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1814 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1816         PR debug/52001
1817         * var-tracking.c (reverse_op): Don't add any reverse operation
1818         if V already has any constant locations.
1820 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1822         * doc/invoke.texi: Correct usage of "command line" (noun)
1823         vs "command-line" (adjective) throughout.
1825 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1827         * doc/invoke.texi (Language Independent Options): Move
1828         -Wcoverage-mismatch blurb from here....
1829         (Warning Options): ...to here.
1831 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1833         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1834         Set rs6000_always_hint to false for 476.
1836 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1838         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1839           system root.
1840         * incpath.c (add_standard_paths): Likewise.
1842 2012-01-27  Richard Henderson  <rth@redhat.com>
1844         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1845         * config/m68k/sync.md (atomic_test_and_set): Rename from
1846         sync_test_and_setqi and adjust the operands.
1847         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1848         and unconditionally enable.
1850 2012-01-27  Richard Henderson  <rth@redhat.com>
1852         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1853         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1854         (ldstub): Rename from ldstubqi.
1855         (ldstub<I24MODE>): Remove.
1857 2012-01-27  Richard Henderson  <rth@redhat.com>
1859         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1860         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1861         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1862         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1863         * doc/tm.texi: Rebuild.
1865 2012-01-27  Richard Henderson  <rth@redhat.com>
1867         * optabs.c (gen_atomic_test_and_set): Remove default.
1868         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1870 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1872         PR rtl-optimization/51978
1873         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1874         (combine_reaching_defs): Likewise.
1875         (struct re_info): Remove.
1876         (add_removable_extension): Remove x and data arguments,
1877         add insn, insn_list and def_map.  Use the arguments directly
1878         instead of using struct re_info.
1879         (find_removable_extensions): Don't call add_removable_extension
1880         through note_stores, instead just call it with single_set
1881         result if non-NULL.
1882         (find_and_remove_re): Pass curr_cand->expr instead of
1883         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1885 2012-01-26  Michael Matz  <matz@suse.de>
1887         PR tree-optimization/46590
1888         * cfgexpand.c: Revert last change (r183305).
1889         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1890         regs.
1891         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1892         checking for emptiness.
1894 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1896         PR middle-end/51895
1897         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1898         non-addressable non-BLKmode base correctly.
1900 2012-01-26  Michael Matz  <matz@suse.de>
1902         PR tree-optimization/48794
1903         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1904         regions referenced from RESX/EH_DISPATCH.
1906 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1908         * config/s390/s390.h: Make BRANCH_COST an option.
1909         * config/s390/s390.opt: New option -mbranch-cost.
1911 2012-01-26  Richard Henderson  <rth@redhat.com>
1913         Revert 2012-01-24 change:
1914         * trans-mem.c (requires_barrier): Do not instrument thread local
1915         variables and emit save/restore for them.
1917 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1919         PR middle-end/51986
1920         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1921         for pat == 0.
1923 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1925         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1926         ASM_OPERANDS.
1928 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1930         PR target/49868
1931         Rename __pgm to __flash.
1932         Rename __pgm1 to __flash1.
1933         Rename __pgm2 to __flash2.
1934         Rename __pgm3 to __flash3.
1935         Rename __pgm4 to __flash4.
1936         Rename __pgm5 to __flash5.
1937         Rename __pgmx to __memx.
1938         * doc/extend.texi (AVR Named Address Spaces)
1939         Rename address space names as indicated above.
1940         * config/avr/avr.c (avr_addrspace): Ditto.
1942         * config/avr/avr-protos.h
1943         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1944         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1945         * config/avr/predicates.md: Ditto.
1946         * config/avr/avr.c Ditto, and
1947         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1948         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1950         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1951         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1952         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1953         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1954         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1955         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1956         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1957         * config/avr/avr.c: Ditto.
1958         * config/avr/avr.md: Ditto.
1960 2012-01-25  Jason Merrill  <jason@redhat.com>
1962         PR c++/51992
1963         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1965 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1967         PR tree-optimization/51987
1968         * tree-data-ref.c (get_references_in_stmt): Handle references in
1969         non-volatile GIMPLE_ASM.
1971 2012-01-25  Richard Guenther  <rguenther@suse.de>
1973         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1974         bases are dereferenced.
1976 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1978         PR rtl-optimization/48374
1979         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1981 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1983         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1984         compute_data_dependences_for_loop returns false.
1985         * tree-parloops.c (loop_parallel_p): Likewise.
1987 2012-01-25  Richard Guenther  <rguenther@suse.de>
1989         * tree.h (get_pointer_alignment_1): Declare.
1990         * builtins.c (get_pointer_alignment_1): New function.
1991         (get_pointer_alignment): Use it.
1993 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1995         PR rtl-optimization/48308
1996         * combine.c (enum undo_kind): Add UNDO_LINKS.
1997         (struct undo): Add member l to other_contents and where.
1998         (do_SUBST_LINK): New.
1999         (SUBST_LINK): New.
2000         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2001         (undo_all): Handle UNDO_LINKS.
2003 2012-01-25  Richard Henderson  <rth@redhat.com>
2005         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2006         mem inputs.
2008 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2010         * optabs.c (gen_atomic_test_and_set): Use each argument.
2012 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2014         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2015         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2016         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2017         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2018         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2019         TARGET_PAIRED_SINGLE_FLOAT.
2021 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2023         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2024         (in_struct, return_val): Remove MEM documentation.
2025         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2026         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2027         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2028         and MEM_SCALAR.
2029         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2030         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2031         * expr.c (store_field): Likewise.
2032         * function.c (assign_stack_temp_for_type): Likewise.
2033         * ifcvt.c (noce_try_cmove_arith): Likewise.
2034         * reload1.c (reload): Likewise.
2035         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2036         (alpha_set_memflags): Likewise.
2037         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2039 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2041         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2042         parameter.
2043         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2044         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2045         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2046         varies parameter.
2047         * cselib.c (cselib_rtx_varies_p): Delete.
2048         (cselib_invalidate_mem): Update call to canon_true_dependence.
2049         * dse.c (record_store, check_mem_read_rtx): Likewise.
2050         (scan_reads_nospill): Likewise.
2051         * cse.c (check_dependence): Likewise.
2052         (cse_rtx_varies_p): Delete.
2053         * expr.c (safe_from_p): Update call to true_dependence.
2054         * ira.c (validate_equiv_mem_from_store): Likewise.
2055         (memref_referenced_p): Likewise.
2056         * postreload-gcse.c (find_mem_conflicts): Likewise.
2057         * sched-deps.c (sched_analyze_2): Likewise.
2058         * store-motion.c (load_kills_store): Likewise.
2059         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2060         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2061         (compute_transp): Update call to canon_true_dependence.
2063 2012-01-25  Richard Henderson  <rth@redhat.com>
2065         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2066         (maybe_emit_atomic_test_and_set): New.
2067         (expand_sync_lock_test_and_set): Use it.
2068         (expand_atomic_test_and_set): Likewise.
2069         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2070         the implementation; clarify implementation defined details.
2071         * doc/md.texi (atomic_test_and_set): Document.
2073 2012-01-25  Richard Henderson  <rth@redhat.com>
2075         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2077 2012-01-25  Richard Henderson  <rth@redhat.com>
2079         PR target/51968
2080         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2081         to effect no-op split.
2083 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2085         PR lto/51698
2086         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2087         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2088         (BT_FN_VOID_PTR_INT_SIZE): New.
2089         (BT_FN_UINT_UINT_VAR): Remove.
2090         (BT_FN_UINT32_UINT32_VAR): New.
2091         (BT_FN_DOUBLE_VPTR): Remove.
2092         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2094         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2095         (_ITM_changeTransactionMode): Same.
2096         (_ITM_memmoveRtWt): Change return type to void.
2097         (_ITM_memcpyRtWt): Same.
2098         (_ITM_memsetW): Same.
2099         (_ITM_RaRD): Change types to double.
2100         (_ITM_RD): Same.
2101         (_ITM_RaWD): Same.
2102         (_ITM_RfWD): Same.
2104         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2106 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2107             Patrick Marlier  <patrick.marlier@gmail.com>
2109         * trans-mem.c (requires_barrier): Do not instrument thread local
2110         variables and emit save/restore for them.
2112 2012-01-24  Jason Merrill  <jason@redhat.com>
2114         PR c++/51812
2115         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2116         output static aliases.
2118 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2120         PR driver/47249
2121         * common.opt (-pie, -shared, pie, shared): Change from Common to
2122         Driver.
2123         * gcc.c (display_help): Display help for -pie and -shared.
2125 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2127         PR target/49868
2128         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2129         Remove note on size/offset limitation.
2130         (AVR Variable Attributes): Add example how to read data located
2131         with progmem.  Refer to named address spaces.
2132         * doc/invoke.texi (AVR Options): Fix typo.
2134 2012-01-24  Richard Guenther  <rguenther@suse.de>
2136         Forward-port to trunk
2137         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2139         PR middle-end/45678
2140         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2141         op0 isn't sufficiently aligned and there is movmisalignM
2142         insn for mode, use it to load op0 into a temporary register.
2144 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2146         PR target/51957
2147         * target.def (const_not_ok_for_debug_p): New hook.
2148         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2149         documentation.
2150         * doc/tm.texi: Regenerated.
2151         * dwarf2out.c (const_ok_for_output_1): If
2152         targetm.const_not_ok_for_debug_p returns true, fail.
2153         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2154         function.
2155         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2157 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2159         PR target/51900
2160         * config/i386/predicates.md (symbolic_operand): Allow
2161         UNSPEC_PCREL as PIC expression for lea.
2162         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2163         * config/i386/i386.c (ix86_delegitimize_address): Handle
2164         UNSPEC_PCREL for none-MEM, too.
2166 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2168         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2169         (ipa_tm_create_version_alias): Same.
2171 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2173         PR libitm/51830
2174         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2175         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2177 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2178             Patrick Marlier  <patrick.marlier@gmail.com>
2179             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2181         PR lto/51916
2182         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2183         simple_object_start_read.
2185 2012-01-23  Richard Guenther  <rguenther@suse.de>
2188         PR tree-optimization/51895
2189         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2190         parameter decomposition into BLKmode components.
2192 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2194         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2195         fake variables for restrict-qualified pointers whose pointed-to type
2196         contains a placeholder.
2198 2012-01-23  Richard Guenther  <rguenther@suse.de>
2200         PR tree-optimization/51949
2201         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2203 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2205         PR rtl-optimization/51933
2206         * ree.c (transform_ifelse): Return true right away if dstreg is
2207         already wider or equal to cand->mode.
2208         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2209         (make_defs_and_copies_lists): Remove defs_list and copies_list
2210         arguments, add state argument, just truncate state->work_list
2211         instead of always allocating and freeing the vector.  Assert that
2212         get_defs succeeds instead of returning 2.  Changed return type to bool.
2213         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2214         have ext_src_mode, see if it has been modified already with the
2215         right kind of extension and has been extended before from the
2216         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2217         just return true.  Remember the original mode in state->modified array.
2218         (combine_reaching_defs): Add state argument.  Don't allocate and
2219         free here def_list, copied_list and vec vectors, instead just
2220         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2221         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2222         Add state variable, clear vectors in it, initialize state.modified
2223         if needed.  Free all the vectors at the end and state.modified too.
2224         Don't skip a candidate if the extension expression has been modified.
2226 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2228         PR target/47096
2229         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2230          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2231         (extra_options) interix.opt -> i386/interix.opt"
2232         (extra_objs):Add winnt-stubs.o
2233         * configure.ac: Add interix to target_os .comm on PE check.
2234         * configure: Regenerate.
2235         * config/interix3.h: Delete and move bits to..
2236         * config/interix.h: Delete and move bits to..
2237         * config/i386/i386-interix3.h: Delete and move bits to..
2238         * config/i386/i386-interix.h: ..here.
2239         (TARGET_CPU_DEFAULT): Remove redefinition.
2240         (TARGET_ASM_CONSTRUCTOR): Undefine.
2241         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2242         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2243         (PTRDIFF_TYPE): Define.
2244         (LONG_DOUBLE_TYPE_SIZE): Define.
2245         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2246         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2247         (TARGET_SECTION_TYPE_FLAGS): Define.
2248         (ASM_DECLARE_FUNCTION_NAME): Define.
2249         (ASM_OUTPUT_EXTERNAL): Define.
2250         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2251         (ASM_OUTPUT_ALIGNED_BSS): Define.
2252         (PCC_BITFIELD_TYPE_MATTERS): Define.
2253         (USE_CONST_SECTION): Define.
2254         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2255         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2256         (SUPPORTS_ONE_ONLY): Remove.
2257         (I386_PE_STRIP_ENCODING): Define.
2258         * config/interix.opt: Delete and move bits to..
2259         * config/i386/interix.opt: ..here. New.
2260         (mpe-aligned-commons): Add.
2261         * config/i386/t-interix: Add copyright header.
2262         (winnt-stubs.o): Add rule.
2264 2012-01-22  Jason Merrill  <jason@redhat.com>
2266         PR c++/51832
2267         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2268         for extra name aliases.
2270 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2272         PR rtl-optimization/51924
2273         * ree.c (combine_set_extension): Improve debugging message.
2274         (combine_reaching_defs): Likewise.
2275         (get_defs): Rename confusingly named variable.
2276         (find_and_remove_re): Skip a candidate if the extension expression has
2277         been modified.
2279 2012-01-21  Robert Millan  <rmh@gnu.org>
2280             Gerald Pfeifer  <gerald@pfeifer.com>
2282         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2283         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2285 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2287         PR tree-optimization/51914
2288         * tree-vect-stmts.c (vectorizable_conversion): For
2289         cvt_type && modifier == WIDEN, put temporary with cvt_type
2290         at the beginning of vec_dsts and set vec_dest to temporary
2291         with vectype_out.
2293 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2295         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2297 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2299         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2300         * config/rs6000/rs6000.c: Likewise.
2302 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2304         PR target/51915
2305         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2306         output_move_double on a copy of operands array.
2308 2012-01-20  Cary Coutant  <ccoutant@google.com>
2309             Dodji Seketeli  <dodji@redhat.com>
2311         PR debug/45682
2312         * dwarf2out.c (copy_declaration_context): Return ref to parent
2313         of declaration DIE, if necessary.
2314         (remove_child_or_replace_with_skeleton): Add new parameter; update
2315         caller.  Place skeleton DIE under parent DIE of original declaration.
2316         Move call to copy_declaration_context to here ...
2317         (break_out_comdat_types): ... from here.
2319 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2321         PR rtl-optimization/51856
2322         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2323         flag to reloaded.
2325 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2327         PR target/51819
2328         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2329         hints for neon loads and stores.
2331 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2333         PR target/49868
2334         PR target/50887
2335         * doc/extend.texi (Named Address Spaces): Split into subsections.
2336         (AVR Named Address Spaces): New subsection.
2337         (M32C Named Address Spaces): New subsection.
2338         (RL78 Named Address Spaces): New subsection.
2339         (SPU Named Address Spaces): New subsection.
2340         (Variable Attributes): New anchor "AVR Variable Attributes".
2341         (AVR Variable Attributes): Rewrite and avoid wording
2342         "address space" in this context.
2343         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2344         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2345         (AVR Built-in Macros): New subsubsection therein.
2346         * doc/md.texi (AVR constraints): Remove "C04", "R".
2348 2012-01-20  Richard Guenther  <rguenther@suse.de>
2350         PR tree-optimization/51903
2351         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2352         when removing stmts.
2354 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2356         PR target/50313
2357         * config/arm/arm.c (arm_load_pic_register): Use
2358         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2359         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2360         (arm_pic_static_addr): Likewise.
2361         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2362         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2363         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2364         (pic_load_addr_unified): New.
2366 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2368         PR target/51106
2369         * function.c (instantiate_virtual_regs_in_insn): Use
2370         delete_insn_and_edges when removing a wrong asm insn.
2372 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2374         PR rtl-optimization/40761
2375         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2376         Add new member loop_num.
2377         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2378         (ira_build): Remove the parameter.
2380         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2381         (ira.c): Do not build CFG loops for one region allocation.  Remove
2382         argument from ira_build call.
2384         * ira-build.c (init_loop_tree_node): New function.
2385         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2386         loops are not built.
2387         (more_one_region_p): Check current_loops.
2388         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2389         built.
2390         (add_loop_to_tree): Process loop equal to NULL too.
2391         (form_loop_tree): Separate the case when CFG loops are not built.
2392         Use explicitly number for the root.
2393         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2394         an assertion.
2395         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2396         instead of loop->num.
2397         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2398         (mark_all_loops_for_removal): Ditto.
2399         (remove_unnecessary_regions): Separate the case when CFG loops
2400         are not built.
2401         (ira_build): Remove the parameter.  Use explicit number of regions
2402         when CFG loops are not built.
2404         * ira-color.c (print_loop_title): Separate the case for the root node.
2405         Use loop_num instead of loop->num.
2406         (move_spill_restore): Use loop_num instead of loop->num.
2408         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2409         (change_loop): Ditto.
2410         (change_loop): Use loop_num instead of loop->num.
2412         * ira-lives.c (process_bb_node_lives): Ditto.
2414         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2416         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2418 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2420         PR libmudflap/40778
2421         * tree-mudflap.c (mf_artificial): New function.
2422         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2423         mx_register_decls, mudflap_enqueue_decl): Use it.
2425         PR target/51876
2426         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2427         numbers in the insn pattern.
2429 2012-01-19  Michael Matz  <matz@suse.de>
2431         PR tree-optimization/46590
2432         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2433         use it in remembering which conflicts we already created.
2434         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2435         bitmap.
2437 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2439         PR lto/51280
2440         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2441         (merge_and_complain): Same.
2443 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2445         PR bootstrap/50237
2446         * config/initfini-array.h: Guard content of the header
2447         with #ifdef HAVE_INITFINI_ARRAY.
2448         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2449         Add initfini-array.h to tm_file here.
2450         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2451         * config.gcc: Don't add initfini-array.h to tm_file here.
2452         * configure: Regenerated.
2454 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2456         PR rtl-optimization/51505
2457         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2458         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2459         (df_note_bb_compute): Update the call to df_kill_notes.
2461 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2463         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2465 2012-01-18  Richard Guenther  <rguenther@suse.de>
2467         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2468         of conversions to void *.
2470 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2471             Richard Sandiford  <rdsandiford@googlemail.com>
2473         PR middle-end/50325
2474         PR middle-end/51192
2475         * optabs.h (simplify_expand_binop): Declare.
2476         * optabs.c (simplify_expand_binop): Make global.
2477         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2478         endian targets if the source cannot be exactly covered by word
2479         mode chunks.
2481 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2483         PR bootstrap/51872
2484         * hard-reg-set.h (struct hard_reg_set_container): New type.
2485         * target.h (struct hard_reg_set_container): Forward declare.
2486         * target.def (set_up_by_prologue): New target hook.
2487         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2488         * doc/tm.texi: Regenerated.
2489         * function.c (thread_prologue_and_epilogue_insns): Change
2490         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2491         Call targetm.set_up_by_prologue on it.
2492         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2493         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2495 2012-01-17  Nick Clifton  <nickc@redhat.com>
2497         * config/rx/rx.c (rx_can_use_simple_return): New function.
2498         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2499         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2501 2012-01-17  Richard Guenther  <rguenther@suse.de>
2503         PR middle-end/51782
2504         * expr.c (expand_assignment): Take address-space information
2505         from the address operand of MEM_REF and TARGET_MEM_REF.
2506         (expand_expr_real_1): Likewise.
2508 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2510         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2511         reload dump is requested.
2513 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2515         PR other/51165
2516         * trans-mem.c (requires_barrier): Call may_be_aliased.
2518 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2520         PR tree-optimization/51877
2521         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2522         call arguments and fndecls compare equal, instead return false if they
2523         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2524         both SSA_NAMEs that are valueized the same, or they satisfy
2525         operand_equal_p.
2527 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2529         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2530         Solaris 11+.
2531         * configure: Regenerate.
2533 2012-01-16  Jan Hubicka  <jh@suse.cz>
2535         PR c/12245
2536         PR c++/14179
2537         * convert.c (convert_to_integer): Use fold_convert for
2538         converting an INTEGER_CST to integer type.
2540 2012-01-16  Jason Merrill  <jason@redhat.com>
2542         PR c++/14179
2543         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2545 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2547         PR bootstrap/51860
2548         * config/s390/s390.c (s390_chunkify_start): Don't skip
2549         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2550         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2551         If insn is followed by NOTE_INSN_VAR_LOCATION or
2552         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2553         Don't use location of note insns.
2555         PR tree-optimization/51865
2556         * tree-inline.c (tree_function_versioning): Call remap_decl
2557         on DECL_RESULT whenever it has VOID_TYPE_P type.
2559 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2561         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2562         for calls to locally-binding MIPS16 functions if only the return
2563         type uses float regs.
2565 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2566             Richard Sandiford  <rdsandiford@googlemail.com>
2568         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2569         (SYMBOL_32_HIGH): Likewise.
2570         (mips_output_tls_reloc_directive): Declare.
2571         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2572         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2573         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2574         (mips_lo_relocs, mips_hi_relocs): Make extern.
2575         (mips16_stub_function): Move up file.
2576         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2577         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2578         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2579         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2580         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2581         (mips_get_tp): Add MIPS16 support.
2582         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2583         Generalize DTPREL and TPREL handling.
2584         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2585         Add MIPS16 TLS support.
2586         (mips_output_tls_reloc_directive): New function.
2587         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2588         * config/mips/predicates.md (symbolic_operand_with_high)
2589         (tls_reloc_operand): New predicates.
2590         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2591         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2592         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2593         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2594         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2595         (*tls_get_tp_mips16_call_<mode>): Likewise.
2597 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2599         PR rtl-optimization/51821
2600         * recog.c (peep2_find_free_register): Determine clobbered registers
2601         from insn pattern.
2603 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2605         PR target/50925
2606         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2607         * config/avr/avr.c: Likewise.
2608         * config/avr/avr.h: Likewise.
2610 2012-01-13  Ian Lance Taylor  <iant@google.com>
2612         PR c++/50012
2613         * tree.h (TYPE_QUALS): Add cast to int.
2614         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2616 2012-01-13  Ian Lance Taylor  <iant@google.com>
2618         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2619         comparing param_index to VEC_length result.
2621 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2623         * c-decl.c: Do not include tree-mudflap.h
2624         * tree-optimize.c: Likewise.
2625         * Makefile.in: Update dependencies.
2627 2012-01-13  Richard Guenther  <rguenther@suse.de>
2629         PR middle-end/8081
2630         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2631         variable-sized result always use RSO.
2633 2012-01-12  DJ Delorie  <dj@redhat.com>
2635         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2636         pointer type, not just the default pointer type.
2638 2012-01-09  Richard Henderson  <rth@redhat.com>
2639             Denis Chertykov  <chertykov@gmail.com>
2641         PR target/50925
2642         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2643         * config/avr/avr.c (avr_can_eliminate): Simplify.
2644         (avr_initial_elimination_offset): Likewise.
2645         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2646         (expand_epilogue): Likewise.
2647         (avr_legitimize_address): Gut.
2648         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2649         (avr_hard_regno_nregs): New.
2650         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2651         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2652         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2653         add soft frame pointer.
2654         (CALL_USED_REGISTERS): Likewise.
2655         (REG_CLASS_CONTENTS): Likewise.
2656         (REGISTER_NAMES): Likewise.
2657         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2658         (HARD_FRAME_POINTER_REGNUM): New.
2659         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2660         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2661         remove the HARD_FRAME_POINTER self-elimination.
2663 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2665         PR target/51756
2666         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2667         DECL_EXTERNAL when checking for initializers of progmem variables.
2669 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2671         PR tree-optimization/51799
2672         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2673         that the last operation is a type demotion.
2675 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2677         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2678         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2680 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2682         PR bootstrap/51796
2683         * combine.c (distribute_notes): If i3 is a noreturn call,
2684         allow old_size to be equal to args_size and make sure the
2685         noreturn call gets REG_ARGS_SIZE note.
2686         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2687         on noreturn calls even when the delta is 0.
2689 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2691         * gcov.c (STRING_SIZE): Remove.
2692         (generate_results): Erase annotations for source files with no
2693         coverage information.
2694         (read_line): New.
2695         (output_lines): Use it.
2697 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2699         * gimple.h (gimplify_body): Remove first argument.
2700         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2701         pointer set here, instead just pass DATA to walk_tree.
2702         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2703         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2704         (unvisit_body): Likewise, but with unmark_visited.
2705         (gimplify_body): Remove BODY_P argument and adjust.
2706         (gimplify_function_tree): Adjust call to gimplify_body.
2707         * omp-low.c (finalize_task_copyfn): Likewise.
2709 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2711         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2712         (build_function_type_skip_args): Delete.
2713         * tree.c (build_function_type_skip_args): Make static and add
2714         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2715         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2716         pass it to build_function_type_skip_args.
2717         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2718         (tree_function_versioning): Likewise.
2719         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2720         build_function_decl_skip_args.
2721         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2722         and pass it to build_function_decl_skip_args/tree_function_versioning.
2723         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2724         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2725         * trans-mem.c (ipa_tm_create_version): Likewise.
2726         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2727         * tree-inline.c (declare_return_variable): Remove always-true test.
2728         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2729         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2730         * ipa-split.c (split_function): Skip the return value for the split
2731         part if it doesn't return.
2733 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2735         PR tree-optimization/49642
2736         * ipa-split.c (forbidden_dominators): New variable.
2737         (check_forbidden_calls): New function.
2738         (dominated_by_forbidden): Likewise.
2739         (consider_split): Check for forbidden dominators.
2740         (execute_split_functions): Initialize and free forbidden
2741         dominators info; call check_forbidden_calls.
2743 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2745         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2747 2012-01-11  Nick Clifton  <nickc@redhat.com>
2749         * config/rx/rx.md (return): Define pattern.
2751 2012-01-11  Richard Guenther  <rguenther@suse.de>
2753         * doc/extend.texi (malloc attribute): Adjust according to
2754         implementation.
2756 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2757             Patrick Marlier  <patrick.marlier@gmail.com>
2759         PR middle-end/51516
2760         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2761         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2762         (ipa_tm_note_irrevocable): Same.
2763         (ipa_tm_scan_irr_block): Same.
2764         (ipa_tm_decrement_clone_counts): Same.
2765         (ipa_tm_scan_irr_function): Same.
2766         (ipa_tm_create_version_alias): Same.
2767         (ipa_tm_create_version): Same.
2768         (ipa_tm_transform_calls_redirect): Same.
2769         (ipa_tm_transform_calls): Same.
2770         (ipa_tm_transform_transaction): Same.
2771         (ipa_tm_execute): Same.
2773 2012-01-10  Richard Guenther  <rguenther@suse.de>
2775         PR middle-end/51806
2776         * opts.c (common_handle_option): Handle -Werror.
2778 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2780         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2781         operand number.
2783 2012-01-10  Jason Merrill  <jason@redhat.com>
2785         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2786         information.
2788 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2790         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2791         supports R_386_TLS_GD_PLT reloc.
2792         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2793         supports R_386_TLS_LDM_PLT reloc.
2794         * configure: Regenerate.
2795         * config.in: Regenerate.
2797 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2799         PR target/49868
2800         Extend __pgmx semantics to linearize memory.
2801         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2802         determine if code comes inline or from libgcc.
2803         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2804         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2805         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2806         (movmemx_qi, movmemx_hi): New insns.
2807         (xload_<mode>_libgcc): Rewrite to new insn condition.
2808         (xload_<mode>): Remove insns.
2809         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2810         cases that don't satisfy avr_xload_libgcc_p().
2811         (avr_addr_space_convert): Allow converting in any direction.
2812         (avr_addr_space_subset_p): Return always true.
2813         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2814         (avr_emit_movmemhi): Ditto.
2815         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2816         (avr_out_movmem): Ditto.
2817         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2818         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2819         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2820         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2821         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2823 2012-01-10  Richard Guenther  <rguenther@suse.de>
2825         PR tree-optimization/50913
2826         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2827         Require data-refs to be representable by Graphite with respect
2828         to any loop nest.
2830 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2832         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2833         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2835 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2837         PR rtl-optimization/51271
2838         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2839         handling annulled branch.
2841 2012-01-10  Richard Henderson  <rth@redhat.com>
2843         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2844         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2845         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2846         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2847         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2848         arm_expand_vec_perm_const): New.
2849         * config/arm/arm-protos.h: Update.
2850         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2851         (*neon_vswp<VDQX>): New.
2852         (neon_vcombine<VDX>): Use neon_split_vcombine.
2853         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2854         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2855         (vec_perm<VE>): New.
2857 2012-01-10  Richard Henderson  <rth@redhat.com>
2859         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2860         use it if reload_completed.
2861         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2862         arm_output_asm_insn, arm_process_output_memory_barrier,
2863         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2864         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2865         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2866         arm_process_output_sync_insn, arm_output_sync_insn,
2867         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2868         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2869         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2870         (emit_unlikely_jump): New.
2871         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2872         (arm_split_atomic_op): New.
2873         * config/arm/arm-protos.h: Update.
2874         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2875         (struct arm_sync_generator): Remove.
2876         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2877         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2878         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2879         (VUNSPEC_LL, VUNSPEC_SC): New.
2880         (sync_result, sync_memory, sync_required_value, sync_new_value,
2881         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2882         (attr length): Don't use arm_sync_loop_insns.
2883         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2884         (movsfcc, movdfcc): Likewise.
2885         * config/arm/constraints.md (Ua): New.
2886         * config/arm/prediates.md (mem_noofs_operand): New.
2887         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2888         (sync_clobber, sync_t2_reqd): Remove.
2889         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2890         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2891         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2892         (arm_sync_compare_and_swap<SIDI>): Remove.
2893         (arm_sync_compare_and_swap<NARROW>): Remove.
2894         (arm_sync_lock_test_and_set<SIDI>): Remove.
2895         (arm_sync_lock_test_and_set<NARROW>): Remove.
2896         (arm_sync_new_<syncop><SIDI>): Remove.
2897         (arm_sync_new_<syncop><NARROW>): Remove.
2898         (arm_sync_new_nand<SIDI>): Remove.
2899         (arm_sync_new_nand<NARROW>): Remove.
2900         (arm_sync_old_<syncop><SIDI>): Remove.
2901         (arm_sync_old_<syncop><NARROW>): Remove.
2902         (arm_sync_old_nand<SIDI>): Remove.
2903         (arm_sync_old_nand<NARROW>): Remove.
2904         (*memory_barrier): Merge arm_output_memory_barrier.
2905         (atomic_compare_and_swap<QHSD>): New.
2906         (atomic_compare_and_swap<NARROW>_1): New.
2907         (atomic_compare_and_swap<SIDI>_1): New.
2908         (atomic_exchange<QHSD>): New.
2909         (cas_cmp_operand, cas_cmp_str): New.
2910         (atomic_op_operand, atomic_op_str): New.
2911         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2912         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2913         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2914         (arm_load_exclusive<NARROW>): New.
2915         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2916         (arm_store_exclusive<QHSD>): New.
2918 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2920         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2921         reload patterns if -mvsx-scalar-memory.
2923         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2924         generated, even -mno-vsx-scalar-double was used.
2925         (vsx_xscvdpsp_scalar): Likewise.
2926         (vsx_xscvspdp_scalar2): Likewise.
2928 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2929             Andrew Pinski  <apinski@cavium.com>
2931         PR debug/51471
2932         * reorg.c (fill_slots_from_thread): Don't speculate
2933         frame-related insns.
2935 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2937         * sched-int.h (bb_note): Move to...
2938         * basic-block.h: ...here.
2939         * haifa-sched.c (bb_note): Move to...
2940         * cfgrtl.c: ...here.
2941         * function.c (next_block_for_reg): New function.
2942         (move_insn_for_shrink_wrap): Likewise.
2943         (prepare_shrink_wrap): Rewrite to use the above.
2945 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2947         * gimple.c (is_gimple_non_addressable): Remove.
2948         * gimple.h: Remove is_gimple_non_addressable.
2949         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2950         is_gimple_non_addressable.
2951         * trans-mem.c (expand_assign_tm): Same.
2953 2012-01-09  Richard Guenther  <rguenther@suse.de>
2955         PR tree-optimization/51775
2956         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2957         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2959 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2961         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2962         tuning parameters.
2963         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2965 2012-01-09  Richard Guenther  <rguenther@suse.de>
2967         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2969 2012-01-08  Jan Hubicka  <jh@suse.cz>
2971         PR tree-optimize/51680
2972         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2973         on when known_vals needs to be computed; cleanup.
2975 2012-01-08  Jan Hubicka  <jh@suse.cz>
2977         PR tree-optimize/51694
2978         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2980 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2982         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2983         for -std=c++98 and -std=c++11 too.
2985 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2987         * cfgloop.c (cancel_loop): Add free() of bbs array.
2989 2012-01-07  Jan Hubicka  <jh@suse.cz>
2991         PR tree-optimization/51600
2992         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2993         that benefits small functions.
2995 2012-01-07  Jan Hubicka  <jh@suse.cz>
2997         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2999 2012-01-07  Jan Hubicka  <jh@suse.cz>
3001         PR tree-optimization/51680
3002         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3003         whose inlining reduce unit size.
3005 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3007         PR bootstrap/51725
3008         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3009         Add canonical node to containing_mem chain after the non-canonical
3010         one, even if there weren't any locs to propagate.
3011         (remove_useless_values): Keep only canonical values.
3012         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3013         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3014         canonicalize mem_chain elements that are not discarded.
3016 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3018         PR target/47333
3019         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3020         before emitting functions.
3022         PR gcov-profile/50127
3023         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3024         clear_aux_for_blocks.
3026 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3028         PR debug/51746
3029         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3031 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3033         * c-decl.c (ext_block): Moved up.
3034         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3036 2012-01-06  Han Shen  <shenhan@google.com>
3038         Translate built-in include paths for sysroot.
3039         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3040         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3042         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3043         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3045         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3046         control whether sysroot should be prepended to gxx include dir.
3048         * configure: Regenerate.
3050 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3052         PR rtl-optimization/51771
3053         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3054         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3056 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3058         PR tree-optimization/51315
3059         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3060         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3062 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3064         PR target/51681
3065         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3066         for shrp pattern.  Correctly handle and fixup shift variable.
3067         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3069 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3071         PR debug/51762
3072         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3073         note when !ACCUMULATE_OUTGOING_ARGS.
3075 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3077         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3078         condition.
3079         (extract_range_from_unary_expr_1): Avoid useless computations.
3081 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3083         PR rtl-optimization/51767
3084         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3085         of jump_block and add an extra edge for degenerated asm gotos.
3087         PR middle-end/51768
3088         * stmt.c (check_unique_operand_names): Don't ICE during error
3089         reporting if i is from labels chain.
3091         PR middle-end/44777
3092         * profile.c (branch_prob): Split bbs that have exit edge
3093         and need a fake entry edge too.
3095 2012-01-05  Jan Hubicka  <jh@suse.cz>
3097         PR middle-end/49710
3098         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3099         unlooping loops.
3101 2012-01-05  Richard Guenther  <rguenther@suse.de>
3103         PR lto/50490
3104         * tree-streamer-out.c (write_ts_optimization): New function.
3105         (streamer_write_tree_body): Call it.
3106         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3107         (streamer_read_tree_body): Call it.
3108         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3110 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3112         PR middle-end/51761
3113         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3114         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3115         in_cleanup_point_expr before gimplify_stmt call and restore it
3116         afterwards.
3117         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3118         in_cleanup_point_expr is false.
3120 2012-01-05  Richard Guenther  <rguenther@suse.de>
3122         PR middle-end/51764
3123         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3124         to c.opt.
3125         * toplev.c (process_options): Reject combining mudflap and LTO.
3126         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3128 2012-01-05  Richard Guenther  <rguenther@suse.de>
3130         PR tree-optimization/51760
3131         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3132         not VARYING.
3133         (bit_value_unop): Handle UNDEFINED operands.
3134         (bit_value_binop): Likewise.
3136 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3138         * config/avr/avr.c (avr_replace_prefix): Remove.
3139         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3140         (avr_asm_function_rodata_section): Ditto.
3141         (avr_asm_select_section): Ditto.
3143 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3145         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3146         insertion.
3148 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3150         PR bootstrap/51648
3151         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3152         calls that have any non-fake successor edges.
3154         PR debug/51746
3155         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3157 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3159         PR tree-optimization/51624
3160         * tree-sra.c (build_ref_for_model): When replicating a chain of
3161         COMPONENT_REFs, stop as soon as the offset would become negative.
3163 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3165         PR debug/51695
3166         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3167         in .debug_loc on the floor.
3169 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3171         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3173 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3174             Adam Nemet  <anemet@caviumnetworks.com>
3176         * config/mips/mips.md (size): Add SI and DI.
3177         (SIZE): New mode attribute.
3178         (U): New code attribute.
3179         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3180         (mips_lbux_<mode>): Delete.
3181         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3182         (mips_lhx): Use gen_mips_lhx_extsi.
3183         (mips_lhx_<mode>): Delete.
3184         (mips_lwx): Delete.
3185         (mips_l<size>x): New expand.
3186         (mips_lwx_<mode>): Delete.
3187         (mips_l<GPR:size>x_<P:mode>): New pattern.
3188         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3189         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3190         * config/mips/mips.c (mips_lx_address_p): New function.
3191         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3192         (dsp64): New availability predicate.
3193         (mips_builtins): Add an entry for __builtin_mips_ldx.
3194         * config/mips/mips.h (ISA_HAS_LBX): New define.
3195         (ISA_HAS_LBUX): Likewise.
3196         (ISA_HAS_LHX): Likewise.
3197         (ISA_HAS_LHUX): Likewise.
3198         (ISA_HAS_LWX): Likewise.
3199         (ISA_HAS_LWUX): Likewise.
3200         (ISA_HAS_LDX): Likewise.
3201         * doc/extend.texi (__builtin_mips_ldx): Document.
3203 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3205         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3206         when long pointers are used.
3207         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3208         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3209         (ia64-hp-*vms*): Remove.
3210         * config/vms/xm-vms64.h: Delete.
3212 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3214         PR middle-end/51472
3215         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3217 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3219         * opts.c (finish_options): Remove duplicate sorry.
3221 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3223         PR middle-end/51696
3224         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3225         correctly.
3227 2012-01-04  Richard Guenther  <rguenther@suse.de>
3229         PR middle-end/51750
3230         * tree.c (size_low_cst): New function.
3231         * tree.h (size_low_cst): Declare.
3232         * fold-const.c (fold_comparison): Use it to extract the low
3233         part of the POINTER_PLUS_EXPR offset.
3235 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3237         Fix clearing ZERO_REG
3238         * config/avr/avr.md (cc): Add alternative "ldi".
3239         (movqi_insn): Use it in cc attribute.
3240         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3241         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3242         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3244 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3246         * configure: Regenerate.
3248 2012-01-04  Richard Guenther  <rguenther@suse.de>
3250         PR tree-optimization/49651
3251         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3252         (var_can_have_subvars): Use it.
3253         (get_constraint_for_1): Only consider subfields if there can be any.
3255 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3257         PR bootstrap/51725
3258         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3259         to its new canonical_cselib_val and the cselib_val was in
3260         first_containing_mem chain, but the canonical_cselib_val was not,
3261         add the latter into the chain.
3262         (cselib_invalidate_mem): Compare canonical_cselib_val of
3263         addr_list chain elt with v.
3265         PR pch/51722
3266         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3267         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3268         of xstrdup.
3269         (output_macinfo_op): Don't ggc_strdup fd->filename.
3270         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3271         then ggc_strdup it.  Don't free inc->info or cur->info.
3272         (output_macinfo): Don't free ref->info or file->info.
3274 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3276         PR tree-optimization/51269
3277         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3278         first_niters a pointer.
3279         (slpeel_tree_peel_loop_to_edge): Likewise.
3280         (vect_do_peeling_for_loop_bound): Update call to
3281         slpeel_tree_peel_loop_to_edge.
3282         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3283         here.  Remove it from the parameters list.
3284         (vect_do_peeling_for_alignment): Update calls and compute
3285         wide_prolog_niters.
3287 2012-01-03  Richard Guenther  <rguenther@suse.de>
3289         PR tree-optimization/51070
3290         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3291         Properly handle calls.
3293 2012-01-03  Richard Guenther  <rguenther@suse.de>
3295         PR tree-optimization/51692
3296         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3297         the LHS of allocation stmts.
3299 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3301         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3303 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3305         * collect2.c (main): In AIX specific computations for vector
3306         insertions, use CONST_CAST2 to cast from char ** to const char **.
3308 2012-01-03  Richard Guenther  <rguenther@suse.de>
3310         PR debug/51650
3311         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3312         the context of a limbo DIE when it does not already exist.
3314 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3316         PR tree-optimization/51719
3317         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3318         but direct call is, clear direct call's lhs and don't add fallthrough
3319         edge from dcall_bb to join_bb and PHIs.
3321 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3323         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3324         the instructions emitted by the pattern.
3325         ("*TDC_insn_<mode>"): Add comment.
3327 2012-01-03  Richard Guenther  <rguenther@suse.de>
3329         PR middle-end/51730
3330         * fold-const.c (fold_comparison): Properly canonicalize
3331         tree offset and HOST_WIDE_INT bit position.
3333 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3335         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3336         operands for extzv pattern.
3338 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3340         PR bootstrap/51725
3341         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3342         on mem_elt first.
3344 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3346         * doc/invoke.texi (-flto and related options): Copy-edit.
3348 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3350         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3352 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3354         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3355         New patterns.
3357 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3359         * expr.h (move_by_pieces_ninsns): Declare.
3360         * expr.c (move_by_pieces_ninsns): Make external.
3361         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3362         (mips_store_by_pieces_p): Likewise.
3363         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3364         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3365         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3366         (mips_store_by_pieces_p): Likewise.
3368 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3370         * passes.c (register_one_dump_file): Free full_name.
3372         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3373         (calculate_elim_costs_all_insns): Free offsets_at and
3374         offsets_known_at at the end and clear the pointers.
3376 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3378         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3379         this option introduced in r180739.
3381 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3383         PR target/51345
3384         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3385         (tmake_file target=avr): Add avr/t-multilib.
3387         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3388         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3389         * config/avr/genmultilib.awk: New file.
3390         * config/avr/t-multilib: New auto-generated file.
3391         * config/avr/multilib.h: New auto-generated file.
3392         * config/avr/t-avr (AVR_MCUS): New variable.
3393         (genopt.sh): Use it.
3394         (s-mlib): Depend on t-multilib.
3395         (t-multilib, multilib.h): New dependencies.
3396         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3397         (MULTILIB_OPTIONS): Remove.
3398         (MULTILIB_MATCHES): Remove.
3399         (MULTILIB_DIRNAMES): Remove.
3400         (MULTILIB_EXCEPTIONS): Remove:
3401         * config/avr/genopt.sh: Don't use hard coded file name;
3402         pass AVR_MCUS from t-avr instead.
3404 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3406         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3408 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3410         Implement light-weight DImode support.
3411         * config/avr/avr-dimode.md: New file.
3412         * config/avr/avr.md: Include it.
3413         (adjust_len): Add plus64, compare64.
3414         (HIDI): Remove code iterator.
3415         (code_stdname): New code attribute.
3416         (rotx, rotsmode): Remove DI.
3417         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3418         as code iterator.
3419         * config/avr/avr-protos.h (avr_have_dimode): New.
3420         (avr_out_plus64, avr_out_compare64): New.
3421         * config/avr/avr.c (avr_out_compare): Handle DImode.
3422         (avr_have_dimode): New variable definition and initialization.
3423         (avr_out_compare64, avr_out_plus64): New functions.
3424         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3425         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3426         (avr_compare_pattern): Skip DImode comparisons.
3428 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3430         * ddg.c (def_has_ccmode_p): New function.
3431         (add_cross_iteration_register_deps,
3432         create_ddg_dep_from_intra_loop_link): Call it.
3434 2012-01-02  Richard Guenther  <rguenther@suse.de>
3436         PR other/51679
3437         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3439 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3441         * gcc.c (process_command): Update copyright notice dates.
3442         * gcov.c (print_version): Likewise.
3443         * gcov-dump.c (print_version): Likewise.
3444         * mips-tfile.c (main): Likewise.
3445         * mips-tdump.c (main): Likewise.
3447 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3449         PR tree-optimization/51704
3450         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3451         a use is inside the basic block or loop before accessing its vect info.
3453 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3455         PR rtl-optimization/51069
3456         * cfgloopmanip.c (remove_path): Removing path making irreducible
3457         region unconditional makes BB part of the region.
3459 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3461         PR tree-optimization/51683
3462         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3463         calls with side-effects.
3464         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3466 Copyright (C) 2012 Free Software Foundation, Inc.
3468 Copying and distribution of this file, with or without modification,
3469 are permitted in any medium without royalty provided the copyright
3470 notice and this notice are preserved.