1 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (ix86_print_operand_address): Only handle
4 zero-extended DImode addresses.
6 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
8 * config/i386/constraints.md (Ya): New internal constraint.
9 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
10 (*zero_extendsidi2_rex64): Add x,x alternative.
11 (*zero_extendsidi2): Ditto. Add o,0 alternative.
12 Remove flags reg clobber. Adjust corresponding splits.
13 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
14 zero_extendqisi2 expanders using SWI12 mode iterator.
15 (zero_extend<mode>si2_and): Macroize insn from
16 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
18 (*zero_extend<mode>si2): Macroize insn from
19 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
20 (*zero_extend*2_movzbl_and): Remove insn patterns.
21 (zero_extendqihi2_and): Merge corresponding splitter.
22 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
23 (*zero_extend*2_movzbl_and): Remove insn patterns.
24 (*anddi_1): Split TYPE_IMOVX instructions.
25 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
27 (and->zext splitter): Add splitter pattern.
28 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
30 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
32 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
34 (Debugging Options): Likewise.
35 (Optimize Options): Likewise.
36 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
37 with other architectures. Use official processor names with correct
38 spelling/capitalization. Fix formatting and grammar issues.
39 (i386 and x86-64 Windows Options): Similar cleanup here.
41 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
43 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
45 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
47 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
50 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
52 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
53 operand is CONST_INT. Take COSTS_N_INSNS into account.
54 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
57 2012-03-02 Richard Henderson <rth@redhat.com>
59 * optabs.c (expand_atomic_test_and_set): Honor
60 atomic_test_and_set_trueval even when atomic_test_and_set
63 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
67 * config/sh/sh.c (sh_register_move_cost): Increase cost between
68 GENERAL_REGS and FP_REGS for SImode.
70 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
73 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
74 (absdi2): New expander.
75 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
77 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
79 * config/sh/sync.md (atomic_exchange<mode>): New expander.
80 (atomic_exchange<mode>_soft): New insn.
82 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
84 * config/sh/sync.md: Update copyright notice dates.
85 (atomic_compare_and_swap<mode>): Use SImode for return value instead
87 (atomic_compare_and_swap<mode>_soft): Likewise.
89 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
92 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
93 * config/sh/sh.c: Update copyright notice dates.
94 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
95 alignment for TARGET_HARD_SH4.
96 (sh_option_override): Reduce default function alignment. Set
97 loop alignment to 4 bytes when not optimizing for size.
99 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
102 * doc/invoke.texi (floop-flatten): Remove.
103 * toplev.c (process_options): Remove references to flag_loop_flatten.
104 * tree-ssa-loop.c (gate_graphite_transform): Same.
105 * common.opt (floop-flatten): Obsolete.
106 * graphite-poly.c (apply_poly_transforms): Remove reference to
108 * Makefile.in (graphite-flattening.o): Remove.
109 * graphite-flattening.c: Remove.
111 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
113 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
114 having mode compatible with the mode of previous compare. Substitute
115 compare mode of previous compare with the mode, compatible
116 with eliminated and previous compare.
118 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
120 * config/rs6000/dfp.md (floatdidd2): New define_insn.
122 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
124 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
125 compatible with CCGOCmode and CCGCmode.
127 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
129 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
131 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
133 * config/arm/arm.c (arm_sat_operator_match): New function.
134 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
135 * config/arm/arm.md ("insn" attribute): Add "sat" value.
136 ("SAT", "SATrev"): New code iterators.
137 ("SATlo", "SAThi"): New code iterator attributes.
138 ("*satsi_<SAT:code>"): New pattern.
139 ("*satsi_<SAT:code>_shift"): Likewise.
140 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
141 and "shift" attributes.
142 ("arm_usatsihi"): Add "insn" attribute.
143 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
144 by powers of two. Do not allow shift by 32.
146 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
149 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
150 to pass the argument in the register of "natural" mode.
152 2012-03-02 Richard Guenther <rguenther@suse.de>
154 PR tree-optimization/52406
155 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
156 (struct indices): Add unconstrained_base member.
157 (struct dr_alias): Remove unused vops member.
158 (DR_UNCONSTRAINED_BASE): New define.
159 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
160 add indices to allow their disambiguation. Make DR_BASE_OBJECT
161 be an artificial access that covers the whole indexed object,
162 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
163 plain decl base-objects to their MEM_REF variant.
164 (dr_may_alias_p): When the base-object of either data reference
165 has unknown size use only points-to information.
166 (compute_affine_dependence): Make dumps easier to read and
168 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
169 DR_REF when looking for packed references.
170 (vect_supportable_dr_alignment): Likewise.
172 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
174 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
175 Improve conditions for peepholes of loads followed by commutative
177 * config/arm/ldmstm.md: Regenerated.
179 2012-03-02 Richard Guenther <rguenther@suse.de>
181 * BASE-VER: Set to 4.8.0.
183 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
185 * config.gcc (obsolete): Add all ARM targets using the FPA.
186 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
187 * doc/install.texi: Avoid references to obsolete ARM ports.
189 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
191 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
193 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
194 Joern Rennecke <joern.rennecke@embecosm.com>
196 * doc/extend.texi: Expand and update information on interrupt
197 attribute for Epiphany.
199 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
201 * config/sh/sh-protos.h: Update copyright notice dates.
202 * config/sh/sh.h: Likewise.
203 * config/sh/sh.md: Likewise.
204 * config/sh/constraints.md: Likewise.
205 * config/sh/predicates.md: Likewise.
207 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
209 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
210 * config/sh/sh.c (tertiary_reload_operand): Likewise.
212 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
214 * config/sh/constraints.md: Fix comment typo.
216 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
219 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
220 unsigned HOST_WIDE_INT.
221 (zvdep_imm64): Likewise.
222 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
223 (vdepi_and): Likewise.
224 Likewise for unamed 64-bit patterns.
225 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
227 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
230 PR rtl-optimization/52417
231 * cselib.c (cselib_any_perm_equivs): New variable.
232 (cselib_reset_table): Check that it's not set when not
233 preserving constants.
234 (cselib_add_permanent_equiv): Set it.
235 (cselib_have_permanent_equivalences): New.
236 (cselib_init, cselib_finish): Reset it.
237 * cselib.h (cselib_have_permanent_equivalences): Declare.
238 * alias.c (get_addr): Restore earlier behavior when there
239 aren't permanent equivalences.
241 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
243 * config/mn10300/mn10300-modes.def: Fix copyright notice.
244 * config/v850/v850-modes.def: Fix copyright notice.
246 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
248 * doc/extend.texi (AVR Built-in Functions): Document
249 __builtin_avr_flash_segment.
251 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
252 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
253 (*split.flash_segment): New insn-and-split.
254 * config/avr/avr.c (avr_init_builtins): Add local variables:
255 const_memx_void_node, const_memx_ptr_type_node,
256 char_ftype_const_memx_ptr.
258 2012-03-01 Jakub Jelinek <jakub@redhat.com>
260 PR tree-optimization/52445
261 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
262 add ssa_name_ver, offset and size fields and change store field
264 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
265 (add_or_mark_expr): Likewise. Only consider previous stores
266 with the same size and offset.
267 (nt_init_block): Only look at gimple_assign_single_p stmts,
268 doesn't look at rhs2.
270 2012-03-01 Richard Guenther <rguenther@suse.de>
273 * tree-cfg.c (verify_gimple_assign_unary): Allow any
274 conversions from integral types to pointer types.
276 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
278 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
279 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
280 unintentionally removed in r184616.
282 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
284 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
287 2012-02-29 Jakub Jelinek <jakub@redhat.com>
288 Uros Bizjak <ubizjak@gmail.com>
291 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
292 alternatives, add "e" constraint to the new last alternative
293 and ! to last 3 alternatives.
295 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
297 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
298 DW_AT_artificial attributes at the end of the processing.
299 (gen_array_type_die): Likewise.
300 (gen_enumeration_type_die): Likewise.
301 (gen_struct_or_union_type_die): Likewise.
302 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
305 2012-02-29 Jakub Jelinek <jakub@redhat.com>
308 * expr.c (expand_assignment): If doing misaligned store that doesn't
309 cover all mode bits, perform a RMW cycle.
311 PR tree-optimization/52429
312 * tree-parloops.c (separate_decls_in_region_debug): Return early
313 if var is LABEL_DECL.
315 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
317 PR tree-optimization/52424
318 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
319 calling dom_thread_across_edge.
321 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
323 * config/avr/avr.c: Move definition of TARGET macros to end of file.
325 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
327 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
328 * config/avr/avr.c (avr_output_bld): Remove unused function.
329 (avr_out_sbxx_branch): Use "%T" to print bit position.
331 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
333 * config/avr/avr.md: Untabify.
335 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
337 * config/avr/avr.md (eqne): New code iterator.
338 (*dec-and-branchsi): Use it in text peephole's condition.
339 (*dec-and-branchhi): Ditto.
340 (*dec-and-branchqi): Ditto.
342 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
345 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
346 the device does not have the skip-bug.
348 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
350 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
351 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
352 -mpretend-cmove): New.
354 2012-02-29 Jakub Jelinek <jakub@redhat.com>
357 * df.h (struct df_d): Adjust comment that hard_regs_live_count
358 doesn't count DEBUG_INSN refs.
359 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
362 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
366 2012-02-20 Richard Guenther <rguenther@suse.de>
367 PR tree-optimization/52298
368 * tree-vect-stmts.c (vectorizable_load): Properly use
369 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
372 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
375 * gimple.h (gimple_in_transaction): New.
376 (gimple_set_in_transaction): New.
377 (struct gimple_statement_base): Add in_transaction field.
378 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
380 (tree_ssa_lim_initialize): Compute transaction bits.
381 * tree.h (compute_transaction_bits): Protoize.
382 * trans-mem.c (tm_region_init): Use the heap to store BB
384 (compute_transaction_bits): New.
386 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
388 * gcc.c (display_help): Document --help=common and sort entries
391 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
393 * doc/install.texi: Document check-$LANG specific shortcuts
395 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
398 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
400 * config/arm/arm_neon.h: Regenerate.
401 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
402 (neon_vcgeu): New insn.
403 (neon_vcgtu): Likewise.
404 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
405 (ops): Unsigned comparison intrinsics call a different builtin.
407 2012-02-28 Richard Guenther <rguenther@suse.de>
410 * config/i386/i386.c (ix86_expand_vector_set): Fix element
411 ordering for the VEC_CONCAT for two element vectors for
412 V2SFmode, V2SImode and V2DImode.
414 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
417 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
418 detecting big-endian triplets.
420 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
422 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
423 mode if there is no type information available.
425 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
427 PR tree-optimization/53207
428 * doc/invoke.texi: Document as experimental and relying on graphite.
430 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
432 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
433 of initializer to changes from r184614.
435 2012-02-28 Richard Guenther <rguenther@suse.de>
437 PR tree-optimization/52395
438 * tree-sra.c (build_ref_for_offset): Also look at the base
439 TYPE_ALIGN when figuring out the alignment of the replacement.
441 2012-02-28 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/52402
444 * ipa-prop.c (ipa_modify_call_arguments): Properly use
445 mis-aligned types when creating the accesses at the call site.
447 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
449 * config/avr/builtins.def: New file.
450 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
451 * config/avr/avr.c (enum avr_builtin_id): Use it.
452 (avr_init_builtins): Use it. And use avr_bdesc.
453 (bdesc_1arg): Remove.
454 (bdesc_2arg): Remove.
455 (bdesc_3arg): Remove.
456 (struct avr_builtin_description): Add field n_args.
457 (avr_bdesc): New static variable using builtins.def.
458 (avr_expand_builtin): Use it.
459 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
460 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
461 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
463 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
466 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
467 match only one single hard register with respective hard reg rtx.
468 (movmemx_<mode>): Ditto.
469 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
470 insn anatomy of movmem[x]_<mode>.
471 (avr_out_movmem): Same for printing assembler and operand usage.
473 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
477 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
478 address spaces located outside of device flash.
480 * config/avr/avr.h (base_arch_s): Remove field n_segments.
481 (mcu_type_s): Add field n_flash.
482 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
483 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
484 (AVR_MCU): Add N_FLASH argument.
485 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
486 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
487 macro __FLASH<n> if that address space makes sense for the device.
488 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
489 outside of target flash.
490 (avr_asm_named_section): Ditto.
491 (avr_asm_select_section): Ditto.
492 (avr_addr_space_convert): Ditto.
493 (avr_emit_movmemhi): Ditto.
494 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
495 address space is outside of device flash.
496 (avr_insert_attributes): Ditto.
497 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
498 avr_current_arch->n_segments.
500 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
503 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
504 (*movabs<mode>_2): Likewise.
506 2012-02-27 Jakub Jelinek <jakub@redhat.com>
509 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
510 s_register_operand in the test instead of REG_P. Don't call
511 gen_reg_rtx if it won't be used.
513 PR tree-optimization/52376
514 * ipa-split.c (split_function): Ignore CLOBBER stmts.
516 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
518 * ifcvt.c (noce_get_condition): Check condition variable is not
519 small_register_classes_for_mode_p before accepting.
521 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
523 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
525 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
528 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
529 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
531 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
533 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
535 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
537 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
539 * config/sh/predicates.md: Remove blank lines.
540 * config/sh/sh.c: Fix typos in comments.
541 * config/sh/constraints.md: Likewise.
542 * config/sh/sh.md: Remove blank lines.
543 Fix typos in comments. Use ;; as comment characters.
545 2012-02-26 Walter Lee <walt@tilera.com>
547 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
548 (replace_mov_pcrel_step2): Ditto.
550 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
553 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
554 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
555 and locs that reference values newer than the non-canonical value
556 at hand. Return the canonical value as a worst case.
557 (memrefs_conflict_p): Walk canonical value's locs.
560 * cselib.c (preserve_only_constants): Rename to...
561 (preserve_constants_and_equivs): ... this. Split out...
562 (invariant_or_equiv_p): ... this. Preserve plus expressions
563 of other preserved expressions too.
564 (cselib_reset_table): Adjust.
565 * var-tracking.c (reverse_op): Use canonical value to build
568 2012-02-23 Kai Tietz <ktietz@redhat.com>
570 * config/i386/i386.c (ix86_delegitimize_address): Handle
571 UNSPEC_PCREL plus displacement.
573 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
576 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
577 to test for unusedness in st X addressing.
579 2012-02-24 Richard Guenther <rguenther@suse.de>
582 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
583 (is_gimple_reg_type): Move inline ...
584 * gimple.h (is_gimple_reg_type): ... here.
586 2012-02-24 Richard Guenther <rguenther@suse.de>
589 * passes.c (execute_function_todo): When verifying SSA form
590 verify gimple form first.
591 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
593 2012-02-24 Richard Guenther <rguenther@suse.de>
596 * fold-const.c (fold_addr_of_array_ref_difference): New function.
597 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
599 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
601 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
603 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
605 * tree-phinodes.c (make_phi_node): Mark static.
606 * tree-flow.h (make_phi_node): Remove extern decl.
607 * doc/gimple.texi (make_phi_node): Remove documentation.
609 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
611 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
612 * tree-ssa-sccvn.c (print_scc): Ditto.
614 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
616 * doc/passes.texi (Full redundancy elimination): Fix typo.
618 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
620 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
622 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
625 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
627 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
630 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
632 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
634 * config/avr/avr.md (code_stdname): Add ior, xor.
635 (xior): New code iterator.
636 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
637 (*<code_stdname><mode>qi.byte1-3): Ditto.
639 2012-02-23 Jakub Jelinek <jakub@redhat.com>
641 PR tree-optimization/52019
642 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
645 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
647 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
648 HAVE_INITFINI_ARRAY to work around namespace pollution in
649 certain versions of newlib system headers.
650 * config.in: Regenerate.
651 * configure: Regenerate.
652 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
653 instead of HAVE_INITFINI_ARRAY.
655 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
658 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
659 is not offsettable memory reference.
661 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
664 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
665 setting avr_need_clear_bss_p for __gnu_lto* symbols.
667 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
669 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
670 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
672 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
674 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
675 library on Solaris 8 even without TLS support.
676 * configure: Regenerate.
678 2012-02-22 Richard Guenther <rguenther@suse.de>
681 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
682 for GIMPLE_DEBUG stmts.
684 2012-02-22 Martin Jambor <mjambor@suse.cz>
687 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
688 according to the base object.
690 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
692 PR rtl-optimization/50063
693 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
694 and 2 (8-bit SP) in operand 2.
695 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
696 setup to use movhi_sp_r instead of vanilla move to write SP.
697 Adjust REG_CFA notes to superseed unspec.
698 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
700 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
701 known to be off) only with TARGET_NO_INTERRUPTS. Never use
702 irq_state 1 (IRQ known to be on) here.
704 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
706 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
708 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
709 assign_hard_reg): Likewise.
711 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
713 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
715 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
718 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
719 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
721 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
723 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
724 prototype from here to...
725 * config/avr/avr.h: ...here.
727 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
730 * thumb2.md (thumb2_shiftsi3_short): Split register and
731 immediate shifts. For register shifts tie operands 0 and 1.
732 (peephole2 for above): Check that register-controlled shifts
733 have suitably tied operands.
735 2012-02-21 Quentin Neill <quentin.neill@amd.com>
738 * config/i386/bdver1.md (bdver1_call, bdver1_push,
739 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
740 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
741 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
742 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
743 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
744 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
745 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
746 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
747 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
748 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
749 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
750 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
751 bdver1_ssevector_avx256_unaligned_load,
752 bdver1_ssevector_sse128_unaligned_load,
753 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
754 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
755 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
756 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
757 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
758 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
759 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
760 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
761 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
762 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
763 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
764 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
765 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
766 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
767 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
768 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
769 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
770 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
771 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
772 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
773 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
774 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
775 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
776 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
777 bdver1_ssediv_double_load, bdver1_ssediv_double,
778 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
779 Add "bdver2" attribute.
781 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
783 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
784 default if possible and not specified otherwise.
786 2012-02-21 Richard Guenther <rguenther@suse.de>
789 * gimplify.c (create_tmp_from_val): Use the main variant type
790 for the type of the temporary we create.
792 2012-02-21 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/52324
795 * gimplify.c (gimplify_expr): When re-gimplifying expressions
796 do not gimplify a MEM_REF address operand if it is already
799 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
801 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
802 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
804 2012-02-21 Richard Guenther <rguenther@suse.de>
806 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
809 2012-02-21 Jakub Jelinek <jakub@redhat.com>
811 PR tree-optimization/52318
812 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
813 vdef also to non-pure/const call stmts in the sequence.
815 2012-02-20 David S. Miller <davem@davemloft.net>
817 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
818 don't use the "rd %pc" instruction on v9 for PIC register loads.
820 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
823 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
824 in a transaction safe function.
826 2012-02-20 Kai Tietz <ktietz@redhat.com>
829 * stor-layout.c (place_field): Handle desired_align for
832 2012-02-20 Richard Guenther <rguenther@suse.de>
834 PR tree-optimization/52298
835 * tree-vect-stmts.c (vectorizable_store): Properly use
836 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
838 (vectorizable_load): Likewise.
839 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
840 Access DR_STEP after ensuring it is not NULL.
842 2012-02-20 Jakub Jelinek <jakub@redhat.com>
844 PR tree-optimization/52286
845 * fold-const.c (fold_binary_loc): For (X & C1) | C2
846 optimization use double_int_to_tree instead of build_int_cst_wide,
847 rewrite to use double_int vars.
849 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
852 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
854 Remove -e 0 from $gcc_cv_ld invocation.
855 Only use __GLIBC_PREREQ if defined.
856 Enable on Solaris since Solaris 8 patch.
857 (gcc_SUN_LD_VERSION): New macro.
858 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
859 gcc_SUN_LD_VERSION for version number format.
860 * configure: Regenerate.
861 * varasm.c (get_elf_initfini_array_priority_section): Set
862 SECTION_NOTYPE for non-default priority.
863 Use get_section instead of get_unnamed_section to emit
864 .init_array/.fini_array with default priority.
866 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
868 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
869 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
870 (mips_start_unique_function, mips_output_mips16_rdhwr)
871 (mips_code_end): New functions.
872 (TARGET_ASM_CODE_END): Define.
874 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
876 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
877 to stubs with non-sibling calls.
879 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
881 * doc/invoke.texi (-fira-* options): Copy-edit.
882 (ira-* parameters): Copy-edit.
884 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
886 * doc/invoke.texi: Minor copy-edits to bring into conformance with
887 GCC coding conventions.
889 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
891 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
892 when used as adjectives.
894 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
896 * doc/invoke.texi: Clean up "that"/"which" confusion.
898 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
900 * system.h: Poison SMALL_REGISTER_CLASSES
901 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
902 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
904 2012-02-16 Jakub Jelinek <jakub@redhat.com>
906 PR tree-optimization/52285
907 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
908 when deciding if a call is a tail call or tail recursion.
910 2012-02-16 Kai Tietz <ktietz@redhat.com>
912 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
913 interger-constant displacement for UNSPEC_PCREL.
915 2012-02-16 Jakub Jelinek <jakub@redhat.com>
917 PR rtl-optimization/52208
918 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
919 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
921 PR tree-optimization/52255
922 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
923 loop->header has virtual PHI, but exit_e->dest doesn't, add
924 virtual PHI to exit_e->dest and adjust all uses after the loop.
927 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
928 children with clone_tree_hash, not after it.
930 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
932 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
933 extended identifiers.
935 2012-02-16 Jakub Jelinek <jakub@redhat.com>
938 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
939 a same_body_alias, also test whether e->callee isn't a former
940 or current clone of the decl this is a same body alias of.
943 * cgraphunit.c (verify_cgraph_node): Fix a typo.
945 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
947 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
949 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
952 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
953 force_reg instead of copy_to_reg for better optimization. Force
954 non-register or memory operands into a register.
956 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
958 * extend.texi: Reserve upper bits of memory model for future use.
960 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
961 Anatoly Sokolov <aesok@post.ru>
962 Eric Weddington <eric.weddington@atmel.com>
965 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
966 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
967 Rewrite initializers for .macro.
968 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
969 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
970 atxmega32d4, atxmega32x1.
971 avrxmega4: atxmega64a3, atxmega64d3.
972 avrxmega5: atxmega64a1, atxmega64a1u.
973 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
974 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
975 avrxmega7: atxmega128a1, atxmega128a1u.
976 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
977 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
978 (struct base_arch_s): Rename reserved to xmega_p.
979 Rename reserved2 to have_rampd.
980 (AVR_XMEGA): New define.
981 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
982 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
983 * config/avr/predicates.md (io_address_operand): Take into
985 (low_io_address_operand): Ditto.
986 (high_io_address_operand): Ditto.
987 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
988 (enabled, movhi_sp_r): Use them.
989 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
990 cpp_define_formatted to built-in define __AVR_ARCH__.
991 (__AVR_XMEGA__): New built-in define.
992 (__AVR_HAVE_RAMPD__): New built-in define.
993 (__AVR_HAVE_RAMPX__): New built-in define.
994 (__AVR_HAVE_RAMPY__): New built-in define.
995 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
997 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
998 (avr_option_override): Initialize them.
999 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1000 (avr_init_expanders): Initialize them. No more block several calls.
1001 (emit_push_sfr): New static function.
1002 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1004 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1005 (avr_print_operand): Print addreeses as symbols for
1006 RAMPX, RAMPY, RAMPD, CCP.
1007 (output_movhi): Handle AVR_XMEGA when writing to SP.
1008 (avr_out_movhi_mr_r_xmega): New static function.
1009 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1010 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1011 __RAMPD__, __CCP__ as needed.
1013 * config/avr/multilib.h: Regenerate.
1014 * config/avr/t-multilib: Regenerate.
1015 * config/avr/avr-tables.opt: Regenerate.
1017 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1019 PR tree-optimization/50561
1020 * graphite-flattening.c (lst_project_loop): Do not
1021 remove old scattering dimensions after flattening.
1022 (lst_do_flatten): Likewise.
1024 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1026 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1027 __builtin_avr_map8, __builtin_avr_map16.
1028 Document __builtin_avr_insert_bits.
1030 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1031 (insert_bits): New insn.
1032 (adjust_len.map_bits): Rename to insert_bits.
1033 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1034 * avr-protos.h (avr_out_map_bits): Remove.
1035 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1036 * config/avr/constraints.md (Cxf,C0f): New.
1037 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1038 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1039 New built-in define __BUILTIN_AVR_INSERT_BITS.
1040 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1041 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1042 (avr_move_bits): Rewrite.
1043 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1045 (avr_map_op_t): New typedef.
1046 (avr_map_op): New static variable.
1047 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1048 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1049 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1050 (bdesc_3arg, avr_expand_triop_builtin): New.
1051 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1052 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1053 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1054 (avr_map_equal_p, avr_map_sig_p): Remove.
1055 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1056 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1057 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1058 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1059 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1060 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1062 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1064 * config/c6x/c6x.md (reserve_cycles): New attribute.
1065 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1066 don't reserve functional units after the branch occurs.
1068 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1071 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1072 functions into non-tm_pure functions.
1074 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1077 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1078 (iterative_hash_canonical_type): Likewise.
1079 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1082 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1084 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1085 sched-group insn, it either remains alone or the entire list is pruned.
1087 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1089 * doc/install.texi (Prerequisites): Fix grammar.
1090 (Configuration): Likewise.
1092 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1094 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1095 MPC as part of GCC before describing configuring with --with-gmp etc.
1096 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1097 sources are present.
1099 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1102 * dwarf2out.c (clone_tree_hash): New function.
1103 (copy_decls_walk): Use it instead of clone_tree.
1105 2012-02-14 Richard Guenther <rguenther@suse.de>
1107 PR tree-optimization/52244
1108 PR tree-optimization/51528
1109 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1110 replacements for integral types.
1112 2012-02-14 Walter Lee <walt@tilera.com>
1114 * config.gcc: Handle tilegx and tilepro.
1115 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1117 Add HAVE_AS_TLS check for tilegx and tilepro.
1118 * configure: Regenerate.
1119 * doc/contrib.texi: Add Mat Hostetter and self.
1120 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1121 Document instruction intrinsics and network accessing intrinsics.
1122 (TILEPro Built-in Functions): New node. Document instruction
1123 intrinsics and network accessing intrinsics.
1124 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1125 (Specific, tilepro-*-linux*): Likewise.
1126 * doc/invoke.texi (TILE-Gx Options): New section.
1127 (TILEPro Options): New section.
1128 * doc/md.texi (TILE-Gx): New section.
1129 (TILEPro): New section.
1130 * common/config/tilegx/tilegx-common.c: New file.
1131 * common/config/tilepro/tilepro-common.c: New file.
1132 * config/tilegx/constraints.md: New file.
1133 * config/tilegx/linux.h: New file.
1134 * config/tilegx/mul-tables.c: New file.
1135 * config/tilegx/predicates.md: New file.
1136 * config/tilegx/sync.md: New file.
1137 * config/tilegx/t-tilegx: New file.
1138 * config/tilegx/tilegx-builtins.h: New file.
1139 * config/tilegx/tilegx-c.c: New file.
1140 * config/tilegx/tilegx-generic.md: New file.
1141 * config/tilegx/tilegx-modes.def: New file.
1142 * config/tilegx/tilegx-multiply.h: New file.
1143 * config/tilegx/tilegx-protos.h: New file.
1144 * config/tilegx/tilegx.c: New file.
1145 * config/tilegx/tilegx.h: New file.
1146 * config/tilegx/tilegx.md: New file.
1147 * config/tilegx/tilegx.opt: New file.
1148 * config/tilepro/constraints.md: New file.
1149 * config/tilepro/gen-mul-tables.cc: New file.
1150 * config/tilepro/linux.h: New file.
1151 * config/tilepro/mul-tables.c: New file.
1152 * config/tilepro/predicates.md: New file.
1153 * config/tilepro/t-tilepro: New file.
1154 * config/tilepro/tilepro-builtins.h: New file.
1155 * config/tilepro/tilepro-c.c: New file.
1156 * config/tilepro/tilepro-generic.md: New file.
1157 * config/tilepro/tilepro-modes.def: New file.
1158 * config/tilepro/tilepro-multiply.h: New file.
1159 * config/tilepro/tilepro-protos.h: New file.
1160 * config/tilepro/tilepro.c: New file.
1161 * config/tilepro/tilepro.h: New file.
1162 * config/tilepro/tilepro.md: New file.
1163 * config/tilepro/tilepro.opt: New file.
1165 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1167 PR tree-optimization/52210
1168 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1169 vect_model_simple_cost with two entry vect_def_type array instead
1170 of an address of dt.
1172 2012-02-14 Richard Guenther <rguenther@suse.de>
1175 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1176 Do not stream DECL_QUALIFIER.
1177 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1178 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1179 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1181 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1184 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1187 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1190 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1191 * cselib.c (cselib_subst_to_values_from_insn): New function.
1192 * sched-deps.c (add_insn_mem_dependence,
1193 sched_analyze_1, sched_analyze_2): Use it.
1195 2012-02-13 Jan Hubicka <jh@suse.cz>
1198 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1200 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1202 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1203 (GTM_SELF_SPECS): Define if not already defined.
1204 (driver_self_specs): Add GTM_SELF_SPECS.
1205 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1206 (GTM_SELF_SPECS): Define.
1207 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1208 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1210 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1212 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1215 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1218 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1219 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1221 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1224 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1226 2012-02-13 Richard Guenther <rguenther@suse.de>
1228 PR translation/52211
1229 * passes.c (enable_disable_pass): Fix typo.
1231 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1234 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1235 XOR for reduce_bit_field if type is unsigned.
1237 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1239 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1240 disallow changes from SFmode to mode with different size in FP regs.
1242 2012-02-12 Robert Millan <rmh@gnu.org>
1243 Gerald Pfeifer <gerald@pfeifer.com>
1245 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1248 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1250 PR rtl-optimization/52175
1251 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1252 to frame-related instructions.
1254 2012-02-10 Jason Merrill <jason@redhat.com>
1257 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1258 (demangle_new_symbols): Fill it.
1259 (scan_linker_output): Walk it.
1260 (start_tweaking): Split out from scan_linker_output.
1261 (maybe_tweak): Update sym->chosen.
1262 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1264 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1267 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1269 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1271 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1272 having the same mode as previous compare.
1274 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1276 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1277 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1278 (nonlocal_goto_internal): Likewise.
1279 (nonlocal_goto): Emit a use and an indirect jump directly.
1281 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1284 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1285 __atomic_{is,always}_lock_free.
1287 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1290 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1291 negative constant address for x32.
1293 2012-02-10 Richard Henderson <rth@redhat.com>
1295 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1296 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1297 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1299 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1300 Ira Rosen <irar@il.ibm.com>
1302 PR tree-optimization/50031
1303 * targhooks.c (default_builtin_vectorization_cost): Handle
1305 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1306 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1307 all types of reduction and pattern statements.
1308 (vect_estimate_min_profitable_iters): Likewise.
1309 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1310 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1311 for explicit realigns.
1312 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1313 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1315 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1316 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1317 vec_perm for VSX and handle vec_promote_demote.
1319 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1322 * builtins.c (fold_builtin_atomic_always_lock_free,
1323 expand_builtin_atomic_always_lock_free,
1324 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1325 Return and/or test boolean_true_node/boolean_false_node instead of
1326 integer_one_node/integer_zero_node.
1328 2012-02-10 Jan Hubicka <jh@suse.cz>
1331 * predict.c (predict_paths_for_bb): Prevent looping.
1332 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1334 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1336 * config/arm/arm.c (output_move_double): In one case properly
1337 count number of instructions that will be emitted.
1339 2012-02-10 Richard Guenther <rguenther@suse.de>
1341 PR translation/52193
1342 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1344 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1347 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1349 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1352 * var-tracking.c (emit_note_insn_var_location): If
1353 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1354 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1355 non-NOTE_DURING_CALL_P insn.
1357 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1360 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1362 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1365 * gcc.c (switch_matches) Support switches with separated form,
1368 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1370 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1372 (RAMPZ_ADDR): Ditto.
1373 * config/avr/avr.c (avr_addr_t): New typedef.
1374 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1375 (avr_init_expanders): Initialize it.
1376 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1378 (expand_epilogue): Ditto.
1379 (avr_print_operand): Ditto.
1380 (avr_file_start): Ditto.
1381 (avr_emit_movmemhi): Ditto.
1383 2012-02-08 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/46886
1386 * tree-flow.h (do_while_loop_p): Declare.
1387 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1388 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1390 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1392 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1393 always succeed for integers larger than a native word.
1395 2012-02-08 Richard Guenther <rguenther@suse.de>
1397 PR rtl-optimization/52170
1398 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1399 properly handle integer vector modes.
1401 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1403 PR gcov-profile/52150
1404 * coverage.c: Include target.h.
1405 (build_var): Call targetm.strip_name_encoding on the assembler name.
1406 Change one _ into . or $ if the target allows it.
1407 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1409 PR rtl-optimization/52139
1410 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1411 is a BARRIER after emit_insn_after_noloc, move BB_END
1412 to the last non-BARRIER insn before it.
1414 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1417 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1418 (mips_gimplify_va_arg_expr): Call it instead of
1419 std_gimplify_va_arg_expr.
1421 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1423 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1424 message for -mno-pointers-to-nested-function.
1426 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1429 * expr.c (get_inner_reference): If there is an offset, add a negative
1430 bit position to it (if any).
1432 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1434 PR rtl-optimization/52060
1435 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1436 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1437 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1438 and/or i0src_copy2 when needed.
1440 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1442 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1443 or LTOPLUGINSONAME if have_c.
1445 * config/freebsd-spec.h: Add comment about what macros can be defined
1447 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1448 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1451 2012-02-07 Richard Guenther <rguenther@suse.de>
1453 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1454 newline in -alias dumps.
1456 2012-02-07 Kai Tietz <ktietz@redhat.com>
1457 Dave Korn <dave.korn.cygwin@gmail.com>
1460 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1461 Take care that typinfo gets dllexport-attribute.
1463 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1466 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1467 if modifier < EXPAND_SUM call force_operand on the result.
1469 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1471 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1472 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1474 (epiphany_function_type): Replace types for specific interrupts with
1475 EPIPHANY_FUNCTION_INTERRUPT.
1476 (EPIPHANY_INTERRUPT_P): Update.
1477 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1478 New static function.
1479 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1480 <disinterrupt>: Affects type identity.
1481 (epiphany_handle_interrupt_attribute): Handle variable number of
1483 (epiphany_compute_function_type): Update for new
1484 epiphany_function_type definition.
1485 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1486 handlers with a longcall forwarder.
1487 (epiphany_start_function): Handle multiple interrupt arguments and/or
1488 forwarder_section attribute.
1490 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1493 2012-02-07 Alan Modra <amodra@gmail.com>
1496 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1499 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1501 PR tree-optimization/50969
1502 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1503 use vec_perm rather than vector_stmt.
1504 (vect_model_load_cost): Likewise.
1505 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1506 vec_perm to be the same as other vector statements.
1507 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1508 cost of vec_perm for TARGET_VSX.
1510 2012-02-06 Richard Guenther <rguenther@suse.de>
1512 PR tree-optimization/52115
1513 * tree-sra.c (access_has_replacements_p): New function.
1514 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1516 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1519 * trans-mem.c (expand_call_tm): Add an assertion.
1520 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1523 2012-02-06 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/50955
1526 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1527 raise cost of expressions that replace an address with an
1528 expression based on a different pointer.
1530 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1533 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1534 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1536 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1539 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1540 -Weffc++ and specify guidelines come from second edition.
1542 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1544 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1545 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1546 (call_direct_split, call_value_split, call_value_internal_direct)
1547 (call_value_direct_split, call_value_multiple_split): Use jal and
1548 jal_macro attributes.
1550 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1552 * reload1.c (reload_regs_reach_end_p): Replace with...
1553 (reload_reg_rtx_reaches_end_p): ...this function.
1554 (new_spill_reg_store): Update commentary.
1555 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1556 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1557 before setting new_spill_reg_store.
1558 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1559 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1560 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1561 for non-spill reload registers.
1563 2012-02-05 Ira Rosen <irar@il.ibm.com>
1565 PR tree-optimization/52091
1566 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1567 (vect_is_simple_use_1): Likewise.
1568 * tree-vect-loop.c (vectorizable_reduction): Update calls
1569 to vect_is_simple_use_1 and vect_is_simple_use.
1570 (vectorizable_live_operation): Likewise.
1571 * tree-vect-patterns.c (widened_name_p,
1572 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1573 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1574 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1575 vectorizable_shift,vectorizable_operation, vectorizable_store,
1576 vectorizable_load): Likewise.
1577 (vect_is_simple_cond): Add an argument, pass it to
1578 vect_is_simple_use_1.
1579 (vectorizable_condition): Update calls to vect_is_simple_cond,
1581 (vect_is_simple_use): Add an argument, the statement in which
1582 OPERAND is used. Check that if OPERAND's def stmt is a double
1583 reduction phi node, the use is a phi node too.
1584 (vect_is_simple_use_1): Add an argument, pass it to
1586 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1587 to vect_is_simple_use.
1589 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1591 PR rtl-optimization/52095
1592 * modulo-sched.c (dump_insn_locator): New function.
1593 (loop_canon_p, sms_schedule): Use it.
1595 PR rtl-optimization/52113
1596 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1597 even for decomposable shift/zext insns.
1599 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1600 Zdenek Dvorak <ook@ucw.cz>
1602 PR rtl-optimization/52092
1603 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1604 on get_iv_value result.
1606 2012-02-02 Andrew Pinski <apinski@cavium.com>
1610 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1612 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1615 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1617 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1619 PR rtl-optimization/49800
1620 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1621 (sched_finish): Call regstat_free_n_sets_and_refs.
1623 2012-02-02 Jia Liu <proljc@gmail.com>
1625 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1628 2012-02-02 Jan Hubicka <jh@suse.cz>
1629 Tom de Vries <tom@codesourcery.com>
1632 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1633 * varpool.c (varpool_analyze_pending_decls): Likewise.
1635 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1636 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1638 * config.gcc: Add cr16-* support.
1640 * doc/extend.texi: Document cr16 extensions.
1641 * doc/install.texi: Document cr16 install.
1642 * doc/invoke.texi: Document cr16 options.
1643 * doc/md.texi: Document cr16 constraints.
1645 * common/config/cr16/cr16-common.c: New file.
1646 * config/cr16/cr16.c: New file.
1647 * config/cr16/cr16.h: New file.
1648 * config/cr16/cr16.md: New file.
1649 * config/cr16/cr16.opt: New file.
1650 * config/cr16/cr16-protos.h: New file.
1651 * config/cr16/predicates.md: New file.
1652 * config/cr16/constraints.md: New file.
1653 * config/cr16/t-cr16: New file.
1655 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1658 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1659 that operands[2] is either immediate, or q_regs_operand.
1661 PR tree-optimization/52073
1662 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1663 a pattern stmt for pattern uses, ignore uses outside of the loop.
1665 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1667 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1668 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1669 (OUT_AS1, OUT_AS2): Remove.
1671 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1673 PR rtl-optimization/51374
1674 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1675 to cross other volatile_refs_p insns.
1677 2012-02-01 Richard Guenther <rguenther@suse.de>
1679 * doc/invoke.texi (fno-inline): Clarify documentation.
1680 (finline-small-functions): Likewise.
1681 (finline-functions): Likewise.
1682 * common.opt (finline): Adjust comment and documentation.
1683 (finline-small-functions): Clarify documentation.
1684 (finline-functions): Likewise.
1685 (finline-functions-called-once): Likewise.
1687 2012-02-01 Tristan Gingold <gingold@adacore.com>
1689 * c-typeck.c (composite_type): Keep mode for pointers.
1691 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1693 * function.h (regno_reg_rtx): Adjust comment.
1694 * reginfo.c (init_reg_modes_target): Only use the previous mode
1695 if it fits within one register. Remove MIPS comment.
1697 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1700 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1702 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1704 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1705 to srak instruction.
1707 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1709 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1711 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1716 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1718 2012-01-31 Richard Guenther <rguenther@suse.de>
1720 PR tree-optimization/51528
1721 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1724 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1729 * ree.c (add_removable_extension): Change def_map argument
1730 to unsigned *, store in def_map 1 + offset into *insn_list vector
1731 instead of pointers into the vector.
1732 (find_removable_extensions): Adjust caller.
1734 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1736 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1737 Transform all "* quoted-c-code" to { c-code }.
1738 Remove redundant test for "optimize" in combine patterns.
1739 Move (include "avr-dimode.md") to end of file.
1741 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1744 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1745 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1747 2012-01-30 Richard Guenther <rguenther@suse.de>
1749 PR tree-optimization/52028
1750 * tree-loop-distribution.c (ldist_gen): Properly update
1753 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1756 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1757 set_cur_line_info_table if not emitting debug info.
1759 PR tree-optimization/52046
1760 * tree-vect-patterns.c (check_bool_pattern): Give up if
1761 a comparison could throw.
1764 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1766 2012-01-30 Richard Guenther <rguenther@suse.de>
1768 PR tree-optimization/52045
1769 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1770 SSA form if cfgcleanup did anything.
1772 2012-01-30 Richard Guenther <rguenther@suse.de>
1774 PR tree-optimization/52045
1775 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1776 before computing final todo.
1778 2012-01-30 Richard Guenther <rguenther@suse.de>
1780 PR tree-optimization/51528
1781 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1784 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1786 * df-problems.c (df_kill_notes): Check that the use refers
1787 to the note under examination.
1789 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1792 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1793 parameter and use short-lived pseudos.
1794 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1795 (sparc_expand_vector_init): Const-ify local variables and adjust
1796 calls to above functions.
1798 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1800 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1802 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1804 * doc/invoke.texi: Make usage of "compile time" and
1805 "run time"/"runtime" consistent throughout the file.
1807 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1809 * config/alpha/alpha.c (alpha_option_override): Default to
1810 full IEEE compliance mode for Go language.
1812 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1814 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1815 (LINK_SSP_SPEC): Define.
1817 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1820 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1823 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1825 * doc/invoke.texi: Correct hyphenation of "floating point",
1826 "double precision", and related terminology throughout the file.
1828 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1831 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1832 arm_general_register_operand predicate for operand 2 instead of
1835 2012-01-27 Ian Lance Taylor <iant@google.com>
1838 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1839 * builtins.c (expand_builtin_init_trampoline): Add onstack
1840 parameter. Change caller.
1841 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1842 * tree.c (build_common_builtin_nodes): Declare
1843 __builtin_init_heap_trampoline.
1845 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1847 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1848 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1849 * config/avr/avr.c: Ditto.
1850 (avr_regnames): Remove because unused.
1851 * config/avr/avr.md (*cpse.ne): New peephole.
1852 (*cpse.eq): New peephole from former cpse peepholes.
1854 2012-01-27 Michael Eager <eager@eagercon.com>
1856 * config/microblaze.c (microblaze_emit_compare): Correct
1857 test after pcmp instruction.
1859 2012-01-27 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/52020
1862 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1864 2012-01-27 Richard Guenther <rguenther@suse.de>
1866 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1867 function non-const/pure.
1869 2012-01-27 Richard Guenther <rguenther@suse.de>
1871 PR tree-optimization/50444
1872 * tree-sra.c (build_ref_for_offset): Properly adjust the
1873 MEM_REF type for unaligned accesses.
1875 2012-01-27 Richard Guenther <rguenther@suse.de>
1877 PR tree-optimization/50444
1878 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1879 (expand_assignment): Use it. Properly handle misaligned
1880 bases when expanding stores to component references.
1881 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1884 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1887 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1888 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1889 * tree-data-ref.c (find_data_references_in_loop): Make static.
1890 (compute_all_dependences): Change return type to bool. Bail out
1891 for too many datarefs in a loop. Move the hunk resetting the data
1892 dependences vector from ...
1893 (compute_data_dependences_for_loop): ... here. Account for
1894 compute_all_dependences returning false.
1895 (compute_data_dependences_for_bb): Likewise.
1896 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1897 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1899 2012-01-27 Richard Guenther <rguenther@suse.de>
1902 * expr.c (store_field): Use the alias-set of the scratch memory
1905 2012-01-27 Tom de Vries <tom@codesourcery.com>
1907 PR tree-optimization/51990
1908 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1910 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1912 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1915 * var-tracking.c (reverse_op): Don't add any reverse operation
1916 if V already has any constant locations.
1918 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1920 * doc/invoke.texi: Correct usage of "command line" (noun)
1921 vs "command-line" (adjective) throughout.
1923 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1925 * doc/invoke.texi (Language Independent Options): Move
1926 -Wcoverage-mismatch blurb from here....
1927 (Warning Options): ...to here.
1929 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1931 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1932 Set rs6000_always_hint to false for 476.
1934 2012-01-27 Matthias Klose <doko@ubuntu.com>
1936 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1938 * incpath.c (add_standard_paths): Likewise.
1940 2012-01-27 Richard Henderson <rth@redhat.com>
1942 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1943 * config/m68k/sync.md (atomic_test_and_set): Rename from
1944 sync_test_and_setqi and adjust the operands.
1945 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1946 and unconditionally enable.
1948 2012-01-27 Richard Henderson <rth@redhat.com>
1950 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1951 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1952 (ldstub): Rename from ldstubqi.
1953 (ldstub<I24MODE>): Remove.
1955 2012-01-27 Richard Henderson <rth@redhat.com>
1957 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1958 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1959 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1960 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1961 * doc/tm.texi: Rebuild.
1963 2012-01-27 Richard Henderson <rth@redhat.com>
1965 * optabs.c (gen_atomic_test_and_set): Remove default.
1966 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1968 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1970 PR rtl-optimization/51978
1971 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1972 (combine_reaching_defs): Likewise.
1973 (struct re_info): Remove.
1974 (add_removable_extension): Remove x and data arguments,
1975 add insn, insn_list and def_map. Use the arguments directly
1976 instead of using struct re_info.
1977 (find_removable_extensions): Don't call add_removable_extension
1978 through note_stores, instead just call it with single_set
1980 (find_and_remove_re): Pass curr_cand->expr instead of
1981 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1983 2012-01-26 Michael Matz <matz@suse.de>
1985 PR tree-optimization/46590
1986 * cfgexpand.c: Revert last change (r183305).
1987 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1989 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1990 checking for emptiness.
1992 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1995 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1996 non-addressable non-BLKmode base correctly.
1998 2012-01-26 Michael Matz <matz@suse.de>
2000 PR tree-optimization/48794
2001 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2002 regions referenced from RESX/EH_DISPATCH.
2004 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2006 * config/s390/s390.h: Make BRANCH_COST an option.
2007 * config/s390/s390.opt: New option -mbranch-cost.
2009 2012-01-26 Richard Henderson <rth@redhat.com>
2011 Revert 2012-01-24 change:
2012 * trans-mem.c (requires_barrier): Do not instrument thread local
2013 variables and emit save/restore for them.
2015 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2018 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2021 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2023 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2026 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2029 Rename __pgm to __flash.
2030 Rename __pgm1 to __flash1.
2031 Rename __pgm2 to __flash2.
2032 Rename __pgm3 to __flash3.
2033 Rename __pgm4 to __flash4.
2034 Rename __pgm5 to __flash5.
2035 Rename __pgmx to __memx.
2036 * doc/extend.texi (AVR Named Address Spaces)
2037 Rename address space names as indicated above.
2038 * config/avr/avr.c (avr_addrspace): Ditto.
2040 * config/avr/avr-protos.h
2041 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2042 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2043 * config/avr/predicates.md: Ditto.
2044 * config/avr/avr.c Ditto, and
2045 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2046 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2048 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2049 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2050 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2051 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2052 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2053 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2054 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2055 * config/avr/avr.c: Ditto.
2056 * config/avr/avr.md: Ditto.
2058 2012-01-25 Jason Merrill <jason@redhat.com>
2061 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2063 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2065 PR tree-optimization/51987
2066 * tree-data-ref.c (get_references_in_stmt): Handle references in
2067 non-volatile GIMPLE_ASM.
2069 2012-01-25 Richard Guenther <rguenther@suse.de>
2071 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2072 bases are dereferenced.
2074 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2076 PR rtl-optimization/48374
2077 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2079 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2081 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2082 compute_data_dependences_for_loop returns false.
2083 * tree-parloops.c (loop_parallel_p): Likewise.
2085 2012-01-25 Richard Guenther <rguenther@suse.de>
2087 * tree.h (get_pointer_alignment_1): Declare.
2088 * builtins.c (get_pointer_alignment_1): New function.
2089 (get_pointer_alignment): Use it.
2091 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2093 PR rtl-optimization/48308
2094 * combine.c (enum undo_kind): Add UNDO_LINKS.
2095 (struct undo): Add member l to other_contents and where.
2096 (do_SUBST_LINK): New.
2098 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2099 (undo_all): Handle UNDO_LINKS.
2101 2012-01-25 Richard Henderson <rth@redhat.com>
2103 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2106 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2108 * optabs.c (gen_atomic_test_and_set): Use each argument.
2110 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2112 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2113 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2114 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2115 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2116 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2117 TARGET_PAIRED_SINGLE_FLOAT.
2119 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2121 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2122 (in_struct, return_val): Remove MEM documentation.
2123 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2124 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2125 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2127 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2128 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2129 * expr.c (store_field): Likewise.
2130 * function.c (assign_stack_temp_for_type): Likewise.
2131 * ifcvt.c (noce_try_cmove_arith): Likewise.
2132 * reload1.c (reload): Likewise.
2133 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2134 (alpha_set_memflags): Likewise.
2135 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2137 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2139 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2141 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2142 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2143 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2145 * cselib.c (cselib_rtx_varies_p): Delete.
2146 (cselib_invalidate_mem): Update call to canon_true_dependence.
2147 * dse.c (record_store, check_mem_read_rtx): Likewise.
2148 (scan_reads_nospill): Likewise.
2149 * cse.c (check_dependence): Likewise.
2150 (cse_rtx_varies_p): Delete.
2151 * expr.c (safe_from_p): Update call to true_dependence.
2152 * ira.c (validate_equiv_mem_from_store): Likewise.
2153 (memref_referenced_p): Likewise.
2154 * postreload-gcse.c (find_mem_conflicts): Likewise.
2155 * sched-deps.c (sched_analyze_2): Likewise.
2156 * store-motion.c (load_kills_store): Likewise.
2157 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2158 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2159 (compute_transp): Update call to canon_true_dependence.
2161 2012-01-25 Richard Henderson <rth@redhat.com>
2163 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2164 (maybe_emit_atomic_test_and_set): New.
2165 (expand_sync_lock_test_and_set): Use it.
2166 (expand_atomic_test_and_set): Likewise.
2167 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2168 the implementation; clarify implementation defined details.
2169 * doc/md.texi (atomic_test_and_set): Document.
2171 2012-01-25 Richard Henderson <rth@redhat.com>
2173 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2175 2012-01-25 Richard Henderson <rth@redhat.com>
2178 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2179 to effect no-op split.
2181 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2184 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2185 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2186 (BT_FN_VOID_PTR_INT_SIZE): New.
2187 (BT_FN_UINT_UINT_VAR): Remove.
2188 (BT_FN_UINT32_UINT32_VAR): New.
2189 (BT_FN_DOUBLE_VPTR): Remove.
2190 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2192 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2193 (_ITM_changeTransactionMode): Same.
2194 (_ITM_memmoveRtWt): Change return type to void.
2195 (_ITM_memcpyRtWt): Same.
2196 (_ITM_memsetW): Same.
2197 (_ITM_RaRD): Change types to double.
2202 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2204 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2205 Patrick Marlier <patrick.marlier@gmail.com>
2207 * trans-mem.c (requires_barrier): Do not instrument thread local
2208 variables and emit save/restore for them.
2210 2012-01-24 Jason Merrill <jason@redhat.com>
2213 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2214 output static aliases.
2216 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2219 * common.opt (-pie, -shared, pie, shared): Change from Common to
2221 * gcc.c (display_help): Display help for -pie and -shared.
2223 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2226 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2227 Remove note on size/offset limitation.
2228 (AVR Variable Attributes): Add example how to read data located
2229 with progmem. Refer to named address spaces.
2230 * doc/invoke.texi (AVR Options): Fix typo.
2232 2012-01-24 Richard Guenther <rguenther@suse.de>
2234 Forward-port to trunk
2235 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2238 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2239 op0 isn't sufficiently aligned and there is movmisalignM
2240 insn for mode, use it to load op0 into a temporary register.
2242 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2245 * target.def (const_not_ok_for_debug_p): New hook.
2246 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2248 * doc/tm.texi: Regenerated.
2249 * dwarf2out.c (const_ok_for_output_1): If
2250 targetm.const_not_ok_for_debug_p returns true, fail.
2251 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2253 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2255 2012-01-23 Kai Tietz <ktietz@redhat.com>
2258 * config/i386/predicates.md (symbolic_operand): Allow
2259 UNSPEC_PCREL as PIC expression for lea.
2260 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2261 * config/i386/i386.c (ix86_delegitimize_address): Handle
2262 UNSPEC_PCREL for none-MEM, too.
2264 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2266 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2267 (ipa_tm_create_version_alias): Same.
2269 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2272 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2273 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2275 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2276 Patrick Marlier <patrick.marlier@gmail.com>
2277 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2280 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2281 simple_object_start_read.
2283 2012-01-23 Richard Guenther <rguenther@suse.de>
2286 PR tree-optimization/51895
2287 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2288 parameter decomposition into BLKmode components.
2290 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2292 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2293 fake variables for restrict-qualified pointers whose pointed-to type
2294 contains a placeholder.
2296 2012-01-23 Richard Guenther <rguenther@suse.de>
2298 PR tree-optimization/51949
2299 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2301 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2303 PR rtl-optimization/51933
2304 * ree.c (transform_ifelse): Return true right away if dstreg is
2305 already wider or equal to cand->mode.
2306 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2307 (make_defs_and_copies_lists): Remove defs_list and copies_list
2308 arguments, add state argument, just truncate state->work_list
2309 instead of always allocating and freeing the vector. Assert that
2310 get_defs succeeds instead of returning 2. Changed return type to bool.
2311 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2312 have ext_src_mode, see if it has been modified already with the
2313 right kind of extension and has been extended before from the
2314 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2315 just return true. Remember the original mode in state->modified array.
2316 (combine_reaching_defs): Add state argument. Don't allocate and
2317 free here def_list, copied_list and vec vectors, instead just
2318 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2319 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2320 Add state variable, clear vectors in it, initialize state.modified
2321 if needed. Free all the vectors at the end and state.modified too.
2322 Don't skip a candidate if the extension expression has been modified.
2324 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2327 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2328 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2329 (extra_options) interix.opt -> i386/interix.opt"
2330 (extra_objs):Add winnt-stubs.o
2331 * configure.ac: Add interix to target_os .comm on PE check.
2332 * configure: Regenerate.
2333 * config/interix3.h: Delete and move bits to..
2334 * config/interix.h: Delete and move bits to..
2335 * config/i386/i386-interix3.h: Delete and move bits to..
2336 * config/i386/i386-interix.h: ..here.
2337 (TARGET_CPU_DEFAULT): Remove redefinition.
2338 (TARGET_ASM_CONSTRUCTOR): Undefine.
2339 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2340 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2341 (PTRDIFF_TYPE): Define.
2342 (LONG_DOUBLE_TYPE_SIZE): Define.
2343 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2344 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2345 (TARGET_SECTION_TYPE_FLAGS): Define.
2346 (ASM_DECLARE_FUNCTION_NAME): Define.
2347 (ASM_OUTPUT_EXTERNAL): Define.
2348 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2349 (ASM_OUTPUT_ALIGNED_BSS): Define.
2350 (PCC_BITFIELD_TYPE_MATTERS): Define.
2351 (USE_CONST_SECTION): Define.
2352 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2353 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2354 (SUPPORTS_ONE_ONLY): Remove.
2355 (I386_PE_STRIP_ENCODING): Define.
2356 * config/interix.opt: Delete and move bits to..
2357 * config/i386/interix.opt: ..here. New.
2358 (mpe-aligned-commons): Add.
2359 * config/i386/t-interix: Add copyright header.
2360 (winnt-stubs.o): Add rule.
2362 2012-01-22 Jason Merrill <jason@redhat.com>
2365 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2366 for extra name aliases.
2368 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2370 PR rtl-optimization/51924
2371 * ree.c (combine_set_extension): Improve debugging message.
2372 (combine_reaching_defs): Likewise.
2373 (get_defs): Rename confusingly named variable.
2374 (find_and_remove_re): Skip a candidate if the extension expression has
2377 2012-01-21 Robert Millan <rmh@gnu.org>
2378 Gerald Pfeifer <gerald@pfeifer.com>
2380 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2381 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2383 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2385 PR tree-optimization/51914
2386 * tree-vect-stmts.c (vectorizable_conversion): For
2387 cvt_type && modifier == WIDEN, put temporary with cvt_type
2388 at the beginning of vec_dsts and set vec_dest to temporary
2391 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2393 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2395 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2397 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2398 * config/rs6000/rs6000.c: Likewise.
2400 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2403 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2404 output_move_double on a copy of operands array.
2406 2012-01-20 Cary Coutant <ccoutant@google.com>
2407 Dodji Seketeli <dodji@redhat.com>
2410 * dwarf2out.c (copy_declaration_context): Return ref to parent
2411 of declaration DIE, if necessary.
2412 (remove_child_or_replace_with_skeleton): Add new parameter; update
2413 caller. Place skeleton DIE under parent DIE of original declaration.
2414 Move call to copy_declaration_context to here ...
2415 (break_out_comdat_types): ... from here.
2417 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2419 PR rtl-optimization/51856
2420 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2423 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2426 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2427 hints for neon loads and stores.
2429 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2433 * doc/extend.texi (Named Address Spaces): Split into subsections.
2434 (AVR Named Address Spaces): New subsection.
2435 (M32C Named Address Spaces): New subsection.
2436 (RL78 Named Address Spaces): New subsection.
2437 (SPU Named Address Spaces): New subsection.
2438 (Variable Attributes): New anchor "AVR Variable Attributes".
2439 (AVR Variable Attributes): Rewrite and avoid wording
2440 "address space" in this context.
2441 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2442 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2443 (AVR Built-in Macros): New subsubsection therein.
2444 * doc/md.texi (AVR constraints): Remove "C04", "R".
2446 2012-01-20 Richard Guenther <rguenther@suse.de>
2448 PR tree-optimization/51903
2449 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2450 when removing stmts.
2452 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2455 * config/arm/arm.c (arm_load_pic_register): Use
2456 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2457 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2458 (arm_pic_static_addr): Likewise.
2459 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2460 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2461 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2462 (pic_load_addr_unified): New.
2464 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2467 * function.c (instantiate_virtual_regs_in_insn): Use
2468 delete_insn_and_edges when removing a wrong asm insn.
2470 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2472 PR rtl-optimization/40761
2473 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2474 Add new member loop_num.
2475 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2476 (ira_build): Remove the parameter.
2478 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2479 (ira.c): Do not build CFG loops for one region allocation. Remove
2480 argument from ira_build call.
2482 * ira-build.c (init_loop_tree_node): New function.
2483 (create_loop_tree_nodes): Use it. Separate the case when CFG
2484 loops are not built.
2485 (more_one_region_p): Check current_loops.
2486 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2488 (add_loop_to_tree): Process loop equal to NULL too.
2489 (form_loop_tree): Separate the case when CFG loops are not built.
2490 Use explicitly number for the root.
2491 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2493 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2494 instead of loop->num.
2495 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2496 (mark_all_loops_for_removal): Ditto.
2497 (remove_unnecessary_regions): Separate the case when CFG loops
2499 (ira_build): Remove the parameter. Use explicit number of regions
2500 when CFG loops are not built.
2502 * ira-color.c (print_loop_title): Separate the case for the root node.
2503 Use loop_num instead of loop->num.
2504 (move_spill_restore): Use loop_num instead of loop->num.
2506 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2507 (change_loop): Ditto.
2508 (change_loop): Use loop_num instead of loop->num.
2510 * ira-lives.c (process_bb_node_lives): Ditto.
2512 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2514 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2516 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2519 * tree-mudflap.c (mf_artificial): New function.
2520 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2521 mx_register_decls, mudflap_enqueue_decl): Use it.
2524 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2525 numbers in the insn pattern.
2527 2012-01-19 Michael Matz <matz@suse.de>
2529 PR tree-optimization/46590
2530 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2531 use it in remembering which conflicts we already created.
2532 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2535 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2538 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2539 (merge_and_complain): Same.
2541 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2544 * config/initfini-array.h: Guard content of the header
2545 with #ifdef HAVE_INITFINI_ARRAY.
2546 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2547 Add initfini-array.h to tm_file here.
2548 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2549 * config.gcc: Don't add initfini-array.h to tm_file here.
2550 * configure: Regenerated.
2552 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2554 PR rtl-optimization/51505
2555 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2556 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2557 (df_note_bb_compute): Update the call to df_kill_notes.
2559 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2561 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2563 2012-01-18 Richard Guenther <rguenther@suse.de>
2565 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2566 of conversions to void *.
2568 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2569 Richard Sandiford <rdsandiford@googlemail.com>
2573 * optabs.h (simplify_expand_binop): Declare.
2574 * optabs.c (simplify_expand_binop): Make global.
2575 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2576 endian targets if the source cannot be exactly covered by word
2579 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2582 * hard-reg-set.h (struct hard_reg_set_container): New type.
2583 * target.h (struct hard_reg_set_container): Forward declare.
2584 * target.def (set_up_by_prologue): New target hook.
2585 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2586 * doc/tm.texi: Regenerated.
2587 * function.c (thread_prologue_and_epilogue_insns): Change
2588 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2589 Call targetm.set_up_by_prologue on it.
2590 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2591 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2593 2012-01-17 Nick Clifton <nickc@redhat.com>
2595 * config/rx/rx.c (rx_can_use_simple_return): New function.
2596 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2597 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2599 2012-01-17 Richard Guenther <rguenther@suse.de>
2602 * expr.c (expand_assignment): Take address-space information
2603 from the address operand of MEM_REF and TARGET_MEM_REF.
2604 (expand_expr_real_1): Likewise.
2606 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2608 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2609 reload dump is requested.
2611 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2614 * trans-mem.c (requires_barrier): Call may_be_aliased.
2616 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2618 PR tree-optimization/51877
2619 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2620 call arguments and fndecls compare equal, instead return false if they
2621 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2622 both SSA_NAMEs that are valueized the same, or they satisfy
2625 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2627 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2629 * configure: Regenerate.
2631 2012-01-16 Jan Hubicka <jh@suse.cz>
2635 * convert.c (convert_to_integer): Use fold_convert for
2636 converting an INTEGER_CST to integer type.
2638 2012-01-16 Jason Merrill <jason@redhat.com>
2641 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2643 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2646 * config/s390/s390.c (s390_chunkify_start): Don't skip
2647 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2648 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2649 If insn is followed by NOTE_INSN_VAR_LOCATION or
2650 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2651 Don't use location of note insns.
2653 PR tree-optimization/51865
2654 * tree-inline.c (tree_function_versioning): Call remap_decl
2655 on DECL_RESULT whenever it has VOID_TYPE_P type.
2657 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2659 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2660 for calls to locally-binding MIPS16 functions if only the return
2661 type uses float regs.
2663 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2664 Richard Sandiford <rdsandiford@googlemail.com>
2666 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2667 (SYMBOL_32_HIGH): Likewise.
2668 (mips_output_tls_reloc_directive): Declare.
2669 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2670 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2671 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2672 (mips_lo_relocs, mips_hi_relocs): Make extern.
2673 (mips16_stub_function): Move up file.
2674 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2675 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2676 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2677 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2678 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2679 (mips_get_tp): Add MIPS16 support.
2680 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2681 Generalize DTPREL and TPREL handling.
2682 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2683 Add MIPS16 TLS support.
2684 (mips_output_tls_reloc_directive): New function.
2685 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2686 * config/mips/predicates.md (symbolic_operand_with_high)
2687 (tls_reloc_operand): New predicates.
2688 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2689 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2690 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2691 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2692 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2693 (*tls_get_tp_mips16_call_<mode>): Likewise.
2695 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2697 PR rtl-optimization/51821
2698 * recog.c (peep2_find_free_register): Determine clobbered registers
2701 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2704 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2705 * config/avr/avr.c: Likewise.
2706 * config/avr/avr.h: Likewise.
2708 2012-01-13 Ian Lance Taylor <iant@google.com>
2711 * tree.h (TYPE_QUALS): Add cast to int.
2712 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2714 2012-01-13 Ian Lance Taylor <iant@google.com>
2716 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2717 comparing param_index to VEC_length result.
2719 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2721 * c-decl.c: Do not include tree-mudflap.h
2722 * tree-optimize.c: Likewise.
2723 * Makefile.in: Update dependencies.
2725 2012-01-13 Richard Guenther <rguenther@suse.de>
2728 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2729 variable-sized result always use RSO.
2731 2012-01-12 DJ Delorie <dj@redhat.com>
2733 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2734 pointer type, not just the default pointer type.
2736 2012-01-09 Richard Henderson <rth@redhat.com>
2737 Denis Chertykov <chertykov@gmail.com>
2740 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2741 * config/avr/avr.c (avr_can_eliminate): Simplify.
2742 (avr_initial_elimination_offset): Likewise.
2743 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2744 (expand_epilogue): Likewise.
2745 (avr_legitimize_address): Gut.
2746 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2747 (avr_hard_regno_nregs): New.
2748 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2749 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2750 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2751 add soft frame pointer.
2752 (CALL_USED_REGISTERS): Likewise.
2753 (REG_CLASS_CONTENTS): Likewise.
2754 (REGISTER_NAMES): Likewise.
2755 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2756 (HARD_FRAME_POINTER_REGNUM): New.
2757 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2758 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2759 remove the HARD_FRAME_POINTER self-elimination.
2761 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2764 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2765 DECL_EXTERNAL when checking for initializers of progmem variables.
2767 2012-01-12 Ira Rosen <irar@il.ibm.com>
2769 PR tree-optimization/51799
2770 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2771 that the last operation is a type demotion.
2773 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2775 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2776 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2778 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2781 * combine.c (distribute_notes): If i3 is a noreturn call,
2782 allow old_size to be equal to args_size and make sure the
2783 noreturn call gets REG_ARGS_SIZE note.
2784 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2785 on noreturn calls even when the delta is 0.
2787 2012-01-11 Nathan Sidwell <nathan@acm.org>
2789 * gcov.c (STRING_SIZE): Remove.
2790 (generate_results): Erase annotations for source files with no
2791 coverage information.
2793 (output_lines): Use it.
2795 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2797 * gimple.h (gimplify_body): Remove first argument.
2798 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2799 pointer set here, instead just pass DATA to walk_tree.
2800 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2801 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2802 (unvisit_body): Likewise, but with unmark_visited.
2803 (gimplify_body): Remove BODY_P argument and adjust.
2804 (gimplify_function_tree): Adjust call to gimplify_body.
2805 * omp-low.c (finalize_task_copyfn): Likewise.
2807 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2809 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2810 (build_function_type_skip_args): Delete.
2811 * tree.c (build_function_type_skip_args): Make static and add
2812 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2813 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2814 pass it to build_function_type_skip_args.
2815 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2816 (tree_function_versioning): Likewise.
2817 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2818 build_function_decl_skip_args.
2819 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2820 and pass it to build_function_decl_skip_args/tree_function_versioning.
2821 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2822 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2823 * trans-mem.c (ipa_tm_create_version): Likewise.
2824 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2825 * tree-inline.c (declare_return_variable): Remove always-true test.
2826 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2827 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2828 * ipa-split.c (split_function): Skip the return value for the split
2829 part if it doesn't return.
2831 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2833 PR tree-optimization/49642
2834 * ipa-split.c (forbidden_dominators): New variable.
2835 (check_forbidden_calls): New function.
2836 (dominated_by_forbidden): Likewise.
2837 (consider_split): Check for forbidden dominators.
2838 (execute_split_functions): Initialize and free forbidden
2839 dominators info; call check_forbidden_calls.
2841 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2843 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2845 2012-01-11 Nick Clifton <nickc@redhat.com>
2847 * config/rx/rx.md (return): Define pattern.
2849 2012-01-11 Richard Guenther <rguenther@suse.de>
2851 * doc/extend.texi (malloc attribute): Adjust according to
2854 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2855 Patrick Marlier <patrick.marlier@gmail.com>
2858 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2859 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2860 (ipa_tm_note_irrevocable): Same.
2861 (ipa_tm_scan_irr_block): Same.
2862 (ipa_tm_decrement_clone_counts): Same.
2863 (ipa_tm_scan_irr_function): Same.
2864 (ipa_tm_create_version_alias): Same.
2865 (ipa_tm_create_version): Same.
2866 (ipa_tm_transform_calls_redirect): Same.
2867 (ipa_tm_transform_calls): Same.
2868 (ipa_tm_transform_transaction): Same.
2869 (ipa_tm_execute): Same.
2871 2012-01-10 Richard Guenther <rguenther@suse.de>
2874 * opts.c (common_handle_option): Handle -Werror.
2876 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2878 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2881 2012-01-10 Jason Merrill <jason@redhat.com>
2883 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2886 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2888 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2889 supports R_386_TLS_GD_PLT reloc.
2890 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2891 supports R_386_TLS_LDM_PLT reloc.
2892 * configure: Regenerate.
2893 * config.in: Regenerate.
2895 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2898 Extend __pgmx semantics to linearize memory.
2899 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2900 determine if code comes inline or from libgcc.
2901 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2902 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2903 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2904 (movmemx_qi, movmemx_hi): New insns.
2905 (xload_<mode>_libgcc): Rewrite to new insn condition.
2906 (xload_<mode>): Remove insns.
2907 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2908 cases that don't satisfy avr_xload_libgcc_p().
2909 (avr_addr_space_convert): Allow converting in any direction.
2910 (avr_addr_space_subset_p): Return always true.
2911 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2912 (avr_emit_movmemhi): Ditto.
2913 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2914 (avr_out_movmem): Ditto.
2915 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2916 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2917 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2918 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2919 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2921 2012-01-10 Richard Guenther <rguenther@suse.de>
2923 PR tree-optimization/50913
2924 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2925 Require data-refs to be representable by Graphite with respect
2928 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2930 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2931 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2933 2012-01-10 Tom de Vries <tom@codesourcery.com>
2935 PR rtl-optimization/51271
2936 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2937 handling annulled branch.
2939 2012-01-10 Richard Henderson <rth@redhat.com>
2941 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2942 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2943 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2944 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2945 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2946 arm_expand_vec_perm_const): New.
2947 * config/arm/arm-protos.h: Update.
2948 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2949 (*neon_vswp<VDQX>): New.
2950 (neon_vcombine<VDX>): Use neon_split_vcombine.
2951 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2952 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2953 (vec_perm<VE>): New.
2955 2012-01-10 Richard Henderson <rth@redhat.com>
2957 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2958 use it if reload_completed.
2959 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2960 arm_output_asm_insn, arm_process_output_memory_barrier,
2961 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2962 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2963 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2964 arm_process_output_sync_insn, arm_output_sync_insn,
2965 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2966 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2967 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2968 (emit_unlikely_jump): New.
2969 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2970 (arm_split_atomic_op): New.
2971 * config/arm/arm-protos.h: Update.
2972 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2973 (struct arm_sync_generator): Remove.
2974 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2975 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2976 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2977 (VUNSPEC_LL, VUNSPEC_SC): New.
2978 (sync_result, sync_memory, sync_required_value, sync_new_value,
2979 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2980 (attr length): Don't use arm_sync_loop_insns.
2981 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2982 (movsfcc, movdfcc): Likewise.
2983 * config/arm/constraints.md (Ua): New.
2984 * config/arm/prediates.md (mem_noofs_operand): New.
2985 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2986 (sync_clobber, sync_t2_reqd): Remove.
2987 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2988 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2989 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2990 (arm_sync_compare_and_swap<SIDI>): Remove.
2991 (arm_sync_compare_and_swap<NARROW>): Remove.
2992 (arm_sync_lock_test_and_set<SIDI>): Remove.
2993 (arm_sync_lock_test_and_set<NARROW>): Remove.
2994 (arm_sync_new_<syncop><SIDI>): Remove.
2995 (arm_sync_new_<syncop><NARROW>): Remove.
2996 (arm_sync_new_nand<SIDI>): Remove.
2997 (arm_sync_new_nand<NARROW>): Remove.
2998 (arm_sync_old_<syncop><SIDI>): Remove.
2999 (arm_sync_old_<syncop><NARROW>): Remove.
3000 (arm_sync_old_nand<SIDI>): Remove.
3001 (arm_sync_old_nand<NARROW>): Remove.
3002 (*memory_barrier): Merge arm_output_memory_barrier.
3003 (atomic_compare_and_swap<QHSD>): New.
3004 (atomic_compare_and_swap<NARROW>_1): New.
3005 (atomic_compare_and_swap<SIDI>_1): New.
3006 (atomic_exchange<QHSD>): New.
3007 (cas_cmp_operand, cas_cmp_str): New.
3008 (atomic_op_operand, atomic_op_str): New.
3009 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3010 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3011 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3012 (arm_load_exclusive<NARROW>): New.
3013 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3014 (arm_store_exclusive<QHSD>): New.
3016 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3018 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3019 reload patterns if -mvsx-scalar-memory.
3021 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3022 generated, even -mno-vsx-scalar-double was used.
3023 (vsx_xscvdpsp_scalar): Likewise.
3024 (vsx_xscvspdp_scalar2): Likewise.
3026 2012-01-09 Tom de Vries <tom@codesourcery.com>
3027 Andrew Pinski <apinski@cavium.com>
3030 * reorg.c (fill_slots_from_thread): Don't speculate
3031 frame-related insns.
3033 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3035 * sched-int.h (bb_note): Move to...
3036 * basic-block.h: ...here.
3037 * haifa-sched.c (bb_note): Move to...
3038 * cfgrtl.c: ...here.
3039 * function.c (next_block_for_reg): New function.
3040 (move_insn_for_shrink_wrap): Likewise.
3041 (prepare_shrink_wrap): Rewrite to use the above.
3043 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3045 * gimple.c (is_gimple_non_addressable): Remove.
3046 * gimple.h: Remove is_gimple_non_addressable.
3047 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3048 is_gimple_non_addressable.
3049 * trans-mem.c (expand_assign_tm): Same.
3051 2012-01-09 Richard Guenther <rguenther@suse.de>
3053 PR tree-optimization/51775
3054 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3055 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3057 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3059 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3061 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3063 2012-01-09 Richard Guenther <rguenther@suse.de>
3065 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3067 2012-01-08 Jan Hubicka <jh@suse.cz>
3069 PR tree-optimize/51680
3070 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3071 on when known_vals needs to be computed; cleanup.
3073 2012-01-08 Jan Hubicka <jh@suse.cz>
3075 PR tree-optimize/51694
3076 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3078 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3080 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3081 for -std=c++98 and -std=c++11 too.
3083 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3085 * cfgloop.c (cancel_loop): Add free() of bbs array.
3087 2012-01-07 Jan Hubicka <jh@suse.cz>
3089 PR tree-optimization/51600
3090 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3091 that benefits small functions.
3093 2012-01-07 Jan Hubicka <jh@suse.cz>
3095 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3097 2012-01-07 Jan Hubicka <jh@suse.cz>
3099 PR tree-optimization/51680
3100 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3101 whose inlining reduce unit size.
3103 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3106 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3107 Add canonical node to containing_mem chain after the non-canonical
3108 one, even if there weren't any locs to propagate.
3109 (remove_useless_values): Keep only canonical values.
3110 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3111 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3112 canonicalize mem_chain elements that are not discarded.
3114 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3117 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3118 before emitting functions.
3120 PR gcov-profile/50127
3121 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3122 clear_aux_for_blocks.
3124 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3127 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3129 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3131 * c-decl.c (ext_block): Moved up.
3132 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3134 2012-01-06 Han Shen <shenhan@google.com>
3136 Translate built-in include paths for sysroot.
3137 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3138 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3140 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3141 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3143 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3144 control whether sysroot should be prepended to gxx include dir.
3146 * configure: Regenerate.
3148 2012-01-06 Torvald Riegel <triegel@redhat.com>
3150 PR rtl-optimization/51771
3151 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3152 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3154 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3156 PR tree-optimization/51315
3157 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3158 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3160 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3163 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3164 for shrp pattern. Correctly handle and fixup shift variable.
3165 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3167 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3170 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3171 note when !ACCUMULATE_OUTGOING_ARGS.
3173 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3175 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3177 (extract_range_from_unary_expr_1): Avoid useless computations.
3179 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3181 PR rtl-optimization/51767
3182 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3183 of jump_block and add an extra edge for degenerated asm gotos.
3186 * stmt.c (check_unique_operand_names): Don't ICE during error
3187 reporting if i is from labels chain.
3190 * profile.c (branch_prob): Split bbs that have exit edge
3191 and need a fake entry edge too.
3193 2012-01-05 Jan Hubicka <jh@suse.cz>
3196 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3199 2012-01-05 Richard Guenther <rguenther@suse.de>
3202 * tree-streamer-out.c (write_ts_optimization): New function.
3203 (streamer_write_tree_body): Call it.
3204 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3205 (streamer_read_tree_body): Call it.
3206 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3208 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3211 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3212 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3213 in_cleanup_point_expr before gimplify_stmt call and restore it
3215 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3216 in_cleanup_point_expr is false.
3218 2012-01-05 Richard Guenther <rguenther@suse.de>
3221 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3223 * toplev.c (process_options): Reject combining mudflap and LTO.
3224 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3226 2012-01-05 Richard Guenther <rguenther@suse.de>
3228 PR tree-optimization/51760
3229 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3231 (bit_value_unop): Handle UNDEFINED operands.
3232 (bit_value_binop): Likewise.
3234 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3236 * config/avr/avr.c (avr_replace_prefix): Remove.
3237 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3238 (avr_asm_function_rodata_section): Ditto.
3239 (avr_asm_select_section): Ditto.
3241 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3243 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3246 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3249 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3250 calls that have any non-fake successor edges.
3253 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3255 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3257 PR tree-optimization/51624
3258 * tree-sra.c (build_ref_for_model): When replicating a chain of
3259 COMPONENT_REFs, stop as soon as the offset would become negative.
3261 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3264 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3265 in .debug_loc on the floor.
3267 2012-01-04 Andrew Pinski <apinski@cavium.com>
3269 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3271 2012-01-04 Andrew Pinski <apinski@cavium.com>
3272 Adam Nemet <anemet@caviumnetworks.com>
3274 * config/mips/mips.md (size): Add SI and DI.
3275 (SIZE): New mode attribute.
3276 (U): New code attribute.
3277 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3278 (mips_lbux_<mode>): Delete.
3279 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3280 (mips_lhx): Use gen_mips_lhx_extsi.
3281 (mips_lhx_<mode>): Delete.
3283 (mips_l<size>x): New expand.
3284 (mips_lwx_<mode>): Delete.
3285 (mips_l<GPR:size>x_<P:mode>): New pattern.
3286 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3287 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3288 * config/mips/mips.c (mips_lx_address_p): New function.
3289 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3290 (dsp64): New availability predicate.
3291 (mips_builtins): Add an entry for __builtin_mips_ldx.
3292 * config/mips/mips.h (ISA_HAS_LBX): New define.
3293 (ISA_HAS_LBUX): Likewise.
3294 (ISA_HAS_LHX): Likewise.
3295 (ISA_HAS_LHUX): Likewise.
3296 (ISA_HAS_LWX): Likewise.
3297 (ISA_HAS_LWUX): Likewise.
3298 (ISA_HAS_LDX): Likewise.
3299 * doc/extend.texi (__builtin_mips_ldx): Document.
3301 2012-01-04 Tristan Gingold <gingold@adacore.com>
3303 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3304 when long pointers are used.
3305 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3306 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3307 (ia64-hp-*vms*): Remove.
3308 * config/vms/xm-vms64.h: Delete.
3310 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3313 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3315 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3317 * opts.c (finish_options): Remove duplicate sorry.
3319 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3322 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3325 2012-01-04 Richard Guenther <rguenther@suse.de>
3328 * tree.c (size_low_cst): New function.
3329 * tree.h (size_low_cst): Declare.
3330 * fold-const.c (fold_comparison): Use it to extract the low
3331 part of the POINTER_PLUS_EXPR offset.
3333 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3335 Fix clearing ZERO_REG
3336 * config/avr/avr.md (cc): Add alternative "ldi".
3337 (movqi_insn): Use it in cc attribute.
3338 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3339 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3340 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3342 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3344 * configure: Regenerate.
3346 2012-01-04 Richard Guenther <rguenther@suse.de>
3348 PR tree-optimization/49651
3349 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3350 (var_can_have_subvars): Use it.
3351 (get_constraint_for_1): Only consider subfields if there can be any.
3353 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3356 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3357 to its new canonical_cselib_val and the cselib_val was in
3358 first_containing_mem chain, but the canonical_cselib_val was not,
3359 add the latter into the chain.
3360 (cselib_invalidate_mem): Compare canonical_cselib_val of
3361 addr_list chain elt with v.
3364 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3365 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3367 (output_macinfo_op): Don't ggc_strdup fd->filename.
3368 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3369 then ggc_strdup it. Don't free inc->info or cur->info.
3370 (output_macinfo): Don't free ref->info or file->info.
3372 2012-01-03 Ira Rosen <irar@il.ibm.com>
3374 PR tree-optimization/51269
3375 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3376 first_niters a pointer.
3377 (slpeel_tree_peel_loop_to_edge): Likewise.
3378 (vect_do_peeling_for_loop_bound): Update call to
3379 slpeel_tree_peel_loop_to_edge.
3380 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3381 here. Remove it from the parameters list.
3382 (vect_do_peeling_for_alignment): Update calls and compute
3385 2012-01-03 Richard Guenther <rguenther@suse.de>
3387 PR tree-optimization/51070
3388 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3389 Properly handle calls.
3391 2012-01-03 Richard Guenther <rguenther@suse.de>
3393 PR tree-optimization/51692
3394 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3395 the LHS of allocation stmts.
3397 2012-01-03 Olivier Hainque <hainque@adacore.com>
3399 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3401 2012-01-03 Olivier Hainque <hainque@adacore.com>
3403 * collect2.c (main): In AIX specific computations for vector
3404 insertions, use CONST_CAST2 to cast from char ** to const char **.
3406 2012-01-03 Richard Guenther <rguenther@suse.de>
3409 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3410 the context of a limbo DIE when it does not already exist.
3412 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3414 PR tree-optimization/51719
3415 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3416 but direct call is, clear direct call's lhs and don't add fallthrough
3417 edge from dcall_bb to join_bb and PHIs.
3419 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3421 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3422 the instructions emitted by the pattern.
3423 ("*TDC_insn_<mode>"): Add comment.
3425 2012-01-03 Richard Guenther <rguenther@suse.de>
3428 * fold-const.c (fold_comparison): Properly canonicalize
3429 tree offset and HOST_WIDE_INT bit position.
3431 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3433 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3434 operands for extzv pattern.
3436 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3439 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3442 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3444 * doc/invoke.texi (-flto and related options): Copy-edit.
3446 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3448 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3450 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3452 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3455 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3457 * expr.h (move_by_pieces_ninsns): Declare.
3458 * expr.c (move_by_pieces_ninsns): Make external.
3459 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3460 (mips_store_by_pieces_p): Likewise.
3461 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3462 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3463 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3464 (mips_store_by_pieces_p): Likewise.
3466 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3468 * passes.c (register_one_dump_file): Free full_name.
3470 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3471 (calculate_elim_costs_all_insns): Free offsets_at and
3472 offsets_known_at at the end and clear the pointers.
3474 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3476 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3477 this option introduced in r180739.
3479 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3482 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3483 (tmake_file target=avr): Add avr/t-multilib.
3485 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3486 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3487 * config/avr/genmultilib.awk: New file.
3488 * config/avr/t-multilib: New auto-generated file.
3489 * config/avr/multilib.h: New auto-generated file.
3490 * config/avr/t-avr (AVR_MCUS): New variable.
3491 (genopt.sh): Use it.
3492 (s-mlib): Depend on t-multilib.
3493 (t-multilib, multilib.h): New dependencies.
3494 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3495 (MULTILIB_OPTIONS): Remove.
3496 (MULTILIB_MATCHES): Remove.
3497 (MULTILIB_DIRNAMES): Remove.
3498 (MULTILIB_EXCEPTIONS): Remove:
3499 * config/avr/genopt.sh: Don't use hard coded file name;
3500 pass AVR_MCUS from t-avr instead.
3502 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3504 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3506 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3508 Implement light-weight DImode support.
3509 * config/avr/avr-dimode.md: New file.
3510 * config/avr/avr.md: Include it.
3511 (adjust_len): Add plus64, compare64.
3512 (HIDI): Remove code iterator.
3513 (code_stdname): New code attribute.
3514 (rotx, rotsmode): Remove DI.
3515 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3517 * config/avr/avr-protos.h (avr_have_dimode): New.
3518 (avr_out_plus64, avr_out_compare64): New.
3519 * config/avr/avr.c (avr_out_compare): Handle DImode.
3520 (avr_have_dimode): New variable definition and initialization.
3521 (avr_out_compare64, avr_out_plus64): New functions.
3522 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3523 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3524 (avr_compare_pattern): Skip DImode comparisons.
3526 2012-01-02 Revital Eres <revital.eres@linaro.org>
3528 * ddg.c (def_has_ccmode_p): New function.
3529 (add_cross_iteration_register_deps,
3530 create_ddg_dep_from_intra_loop_link): Call it.
3532 2012-01-02 Richard Guenther <rguenther@suse.de>
3535 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3537 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3539 * gcc.c (process_command): Update copyright notice dates.
3540 * gcov.c (print_version): Likewise.
3541 * gcov-dump.c (print_version): Likewise.
3542 * mips-tfile.c (main): Likewise.
3543 * mips-tdump.c (main): Likewise.
3545 2012-01-01 Ira Rosen <irar@il.ibm.com>
3547 PR tree-optimization/51704
3548 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3549 a use is inside the basic block or loop before accessing its vect info.
3551 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3553 PR rtl-optimization/51069
3554 * cfgloopmanip.c (remove_path): Removing path making irreducible
3555 region unconditional makes BB part of the region.
3557 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3559 PR tree-optimization/51683
3560 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3561 calls with side-effects.
3562 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3564 Copyright (C) 2012 Free Software Foundation, Inc.
3566 Copying and distribution of this file, with or without modification,
3567 are permitted in any medium without royalty provided the copyright
3568 notice and this notice are preserved.