1 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
4 instead of TARGET_64BIT.
6 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
8 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
11 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
13 * config/i386/i386.c (ix86_print_operand_address): Only handle
14 zero-extended DImode addresses.
16 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
18 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
19 taken and cputaken as bool.
21 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
23 * config/i386/constraints.md (Ya): New internal constraint.
24 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
25 (*zero_extendsidi2_rex64): Add x,x alternative.
26 (*zero_extendsidi2): Ditto. Add o,0 alternative.
27 Remove flags reg clobber. Adjust corresponding splits.
28 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
29 zero_extendqisi2 expanders using SWI12 mode iterator.
30 (zero_extend<mode>si2_and): Macroize insn from
31 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
33 (*zero_extend<mode>si2): Macroize insn from
34 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
35 (*zero_extend*2_movzbl_and): Remove insn patterns.
36 (zero_extendqihi2_and): Merge corresponding splitter.
37 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
38 (*zero_extend*2_movzbl_and): Remove insn patterns.
39 (*anddi_1): Split TYPE_IMOVX instructions.
40 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
42 (and->zext splitter): Add splitter pattern.
43 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
45 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
47 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
49 (Debugging Options): Likewise.
50 (Optimize Options): Likewise.
51 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
52 with other architectures. Use official processor names with correct
53 spelling/capitalization. Fix formatting and grammar issues.
54 (i386 and x86-64 Windows Options): Similar cleanup here.
56 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
58 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
60 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
62 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
65 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
67 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
68 operand is CONST_INT. Take COSTS_N_INSNS into account.
69 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
72 2012-03-02 Richard Henderson <rth@redhat.com>
74 * optabs.c (expand_atomic_test_and_set): Honor
75 atomic_test_and_set_trueval even when atomic_test_and_set
78 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
82 * config/sh/sh.c (sh_register_move_cost): Increase cost between
83 GENERAL_REGS and FP_REGS for SImode.
85 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
88 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
89 (absdi2): New expander.
90 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
92 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
94 * config/sh/sync.md (atomic_exchange<mode>): New expander.
95 (atomic_exchange<mode>_soft): New insn.
97 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
99 * config/sh/sync.md: Update copyright notice dates.
100 (atomic_compare_and_swap<mode>): Use SImode for return value instead
102 (atomic_compare_and_swap<mode>_soft): Likewise.
104 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
107 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
108 * config/sh/sh.c: Update copyright notice dates.
109 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
110 alignment for TARGET_HARD_SH4.
111 (sh_option_override): Reduce default function alignment. Set
112 loop alignment to 4 bytes when not optimizing for size.
114 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
117 * doc/invoke.texi (floop-flatten): Remove.
118 * toplev.c (process_options): Remove references to flag_loop_flatten.
119 * tree-ssa-loop.c (gate_graphite_transform): Same.
120 * common.opt (floop-flatten): Obsolete.
121 * graphite-poly.c (apply_poly_transforms): Remove reference to
123 * Makefile.in (graphite-flattening.o): Remove.
124 * graphite-flattening.c: Remove.
126 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
128 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
129 having mode compatible with the mode of previous compare. Substitute
130 compare mode of previous compare with the mode, compatible
131 with eliminated and previous compare.
133 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
135 * config/rs6000/dfp.md (floatdidd2): New define_insn.
137 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
139 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
140 compatible with CCGOCmode and CCGCmode.
142 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
144 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
146 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
148 * config/arm/arm.c (arm_sat_operator_match): New function.
149 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
150 * config/arm/arm.md ("insn" attribute): Add "sat" value.
151 ("SAT", "SATrev"): New code iterators.
152 ("SATlo", "SAThi"): New code iterator attributes.
153 ("*satsi_<SAT:code>"): New pattern.
154 ("*satsi_<SAT:code>_shift"): Likewise.
155 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
156 and "shift" attributes.
157 ("arm_usatsihi"): Add "insn" attribute.
158 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
159 by powers of two. Do not allow shift by 32.
161 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
164 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
165 to pass the argument in the register of "natural" mode.
167 2012-03-02 Richard Guenther <rguenther@suse.de>
169 PR tree-optimization/52406
170 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
171 (struct indices): Add unconstrained_base member.
172 (struct dr_alias): Remove unused vops member.
173 (DR_UNCONSTRAINED_BASE): New define.
174 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
175 add indices to allow their disambiguation. Make DR_BASE_OBJECT
176 be an artificial access that covers the whole indexed object,
177 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
178 plain decl base-objects to their MEM_REF variant.
179 (dr_may_alias_p): When the base-object of either data reference
180 has unknown size use only points-to information.
181 (compute_affine_dependence): Make dumps easier to read and
183 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
184 DR_REF when looking for packed references.
185 (vect_supportable_dr_alignment): Likewise.
187 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
189 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
190 Improve conditions for peepholes of loads followed by commutative
192 * config/arm/ldmstm.md: Regenerated.
194 2012-03-02 Richard Guenther <rguenther@suse.de>
196 * BASE-VER: Set to 4.8.0.
198 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
200 * config.gcc (obsolete): Add all ARM targets using the FPA.
201 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
202 * doc/install.texi: Avoid references to obsolete ARM ports.
204 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
206 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
208 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
209 Joern Rennecke <joern.rennecke@embecosm.com>
211 * doc/extend.texi: Expand and update information on interrupt
212 attribute for Epiphany.
214 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
216 * config/sh/sh-protos.h: Update copyright notice dates.
217 * config/sh/sh.h: Likewise.
218 * config/sh/sh.md: Likewise.
219 * config/sh/constraints.md: Likewise.
220 * config/sh/predicates.md: Likewise.
222 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
224 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
225 * config/sh/sh.c (tertiary_reload_operand): Likewise.
227 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
229 * config/sh/constraints.md: Fix comment typo.
231 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
234 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
235 unsigned HOST_WIDE_INT.
236 (zvdep_imm64): Likewise.
237 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
238 (vdepi_and): Likewise.
239 Likewise for unamed 64-bit patterns.
240 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
242 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
245 PR rtl-optimization/52417
246 * cselib.c (cselib_any_perm_equivs): New variable.
247 (cselib_reset_table): Check that it's not set when not
248 preserving constants.
249 (cselib_add_permanent_equiv): Set it.
250 (cselib_have_permanent_equivalences): New.
251 (cselib_init, cselib_finish): Reset it.
252 * cselib.h (cselib_have_permanent_equivalences): Declare.
253 * alias.c (get_addr): Restore earlier behavior when there
254 aren't permanent equivalences.
256 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
258 * config/mn10300/mn10300-modes.def: Fix copyright notice.
259 * config/v850/v850-modes.def: Fix copyright notice.
261 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
263 * doc/extend.texi (AVR Built-in Functions): Document
264 __builtin_avr_flash_segment.
266 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
267 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
268 (*split.flash_segment): New insn-and-split.
269 * config/avr/avr.c (avr_init_builtins): Add local variables:
270 const_memx_void_node, const_memx_ptr_type_node,
271 char_ftype_const_memx_ptr.
273 2012-03-01 Jakub Jelinek <jakub@redhat.com>
275 PR tree-optimization/52445
276 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
277 add ssa_name_ver, offset and size fields and change store field
279 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
280 (add_or_mark_expr): Likewise. Only consider previous stores
281 with the same size and offset.
282 (nt_init_block): Only look at gimple_assign_single_p stmts,
283 doesn't look at rhs2.
285 2012-03-01 Richard Guenther <rguenther@suse.de>
288 * tree-cfg.c (verify_gimple_assign_unary): Allow any
289 conversions from integral types to pointer types.
291 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
293 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
294 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
295 unintentionally removed in r184616.
297 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
299 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
302 2012-02-29 Jakub Jelinek <jakub@redhat.com>
303 Uros Bizjak <ubizjak@gmail.com>
306 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
307 alternatives, add "e" constraint to the new last alternative
308 and ! to last 3 alternatives.
310 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
312 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
313 DW_AT_artificial attributes at the end of the processing.
314 (gen_array_type_die): Likewise.
315 (gen_enumeration_type_die): Likewise.
316 (gen_struct_or_union_type_die): Likewise.
317 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
320 2012-02-29 Jakub Jelinek <jakub@redhat.com>
323 * expr.c (expand_assignment): If doing misaligned store that doesn't
324 cover all mode bits, perform a RMW cycle.
326 PR tree-optimization/52429
327 * tree-parloops.c (separate_decls_in_region_debug): Return early
328 if var is LABEL_DECL.
330 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
332 PR tree-optimization/52424
333 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
334 calling dom_thread_across_edge.
336 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
338 * config/avr/avr.c: Move definition of TARGET macros to end of file.
340 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
342 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
343 * config/avr/avr.c (avr_output_bld): Remove unused function.
344 (avr_out_sbxx_branch): Use "%T" to print bit position.
346 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
348 * config/avr/avr.md: Untabify.
350 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
352 * config/avr/avr.md (eqne): New code iterator.
353 (*dec-and-branchsi): Use it in text peephole's condition.
354 (*dec-and-branchhi): Ditto.
355 (*dec-and-branchqi): Ditto.
357 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
360 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
361 the device does not have the skip-bug.
363 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
365 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
366 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
367 -mpretend-cmove): New.
369 2012-02-29 Jakub Jelinek <jakub@redhat.com>
372 * df.h (struct df_d): Adjust comment that hard_regs_live_count
373 doesn't count DEBUG_INSN refs.
374 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
377 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
381 2012-02-20 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/52298
383 * tree-vect-stmts.c (vectorizable_load): Properly use
384 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
387 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
390 * gimple.h (gimple_in_transaction): New.
391 (gimple_set_in_transaction): New.
392 (struct gimple_statement_base): Add in_transaction field.
393 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
395 (tree_ssa_lim_initialize): Compute transaction bits.
396 * tree.h (compute_transaction_bits): Protoize.
397 * trans-mem.c (tm_region_init): Use the heap to store BB
399 (compute_transaction_bits): New.
401 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
403 * gcc.c (display_help): Document --help=common and sort entries
406 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
408 * doc/install.texi: Document check-$LANG specific shortcuts
410 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
413 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
415 * config/arm/arm_neon.h: Regenerate.
416 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
417 (neon_vcgeu): New insn.
418 (neon_vcgtu): Likewise.
419 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
420 (ops): Unsigned comparison intrinsics call a different builtin.
422 2012-02-28 Richard Guenther <rguenther@suse.de>
425 * config/i386/i386.c (ix86_expand_vector_set): Fix element
426 ordering for the VEC_CONCAT for two element vectors for
427 V2SFmode, V2SImode and V2DImode.
429 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
432 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
433 detecting big-endian triplets.
435 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
437 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
438 mode if there is no type information available.
440 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
442 PR tree-optimization/53207
443 * doc/invoke.texi: Document as experimental and relying on graphite.
445 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
447 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
448 of initializer to changes from r184614.
450 2012-02-28 Richard Guenther <rguenther@suse.de>
452 PR tree-optimization/52395
453 * tree-sra.c (build_ref_for_offset): Also look at the base
454 TYPE_ALIGN when figuring out the alignment of the replacement.
456 2012-02-28 Richard Guenther <rguenther@suse.de>
458 PR tree-optimization/52402
459 * ipa-prop.c (ipa_modify_call_arguments): Properly use
460 mis-aligned types when creating the accesses at the call site.
462 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
464 * config/avr/builtins.def: New file.
465 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
466 * config/avr/avr.c (enum avr_builtin_id): Use it.
467 (avr_init_builtins): Use it. And use avr_bdesc.
468 (bdesc_1arg): Remove.
469 (bdesc_2arg): Remove.
470 (bdesc_3arg): Remove.
471 (struct avr_builtin_description): Add field n_args.
472 (avr_bdesc): New static variable using builtins.def.
473 (avr_expand_builtin): Use it.
474 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
475 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
476 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
478 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
481 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
482 match only one single hard register with respective hard reg rtx.
483 (movmemx_<mode>): Ditto.
484 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
485 insn anatomy of movmem[x]_<mode>.
486 (avr_out_movmem): Same for printing assembler and operand usage.
488 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
492 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
493 address spaces located outside of device flash.
495 * config/avr/avr.h (base_arch_s): Remove field n_segments.
496 (mcu_type_s): Add field n_flash.
497 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
498 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
499 (AVR_MCU): Add N_FLASH argument.
500 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
501 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
502 macro __FLASH<n> if that address space makes sense for the device.
503 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
504 outside of target flash.
505 (avr_asm_named_section): Ditto.
506 (avr_asm_select_section): Ditto.
507 (avr_addr_space_convert): Ditto.
508 (avr_emit_movmemhi): Ditto.
509 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
510 address space is outside of device flash.
511 (avr_insert_attributes): Ditto.
512 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
513 avr_current_arch->n_segments.
515 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
518 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
519 (*movabs<mode>_2): Likewise.
521 2012-02-27 Jakub Jelinek <jakub@redhat.com>
524 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
525 s_register_operand in the test instead of REG_P. Don't call
526 gen_reg_rtx if it won't be used.
528 PR tree-optimization/52376
529 * ipa-split.c (split_function): Ignore CLOBBER stmts.
531 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
533 * ifcvt.c (noce_get_condition): Check condition variable is not
534 small_register_classes_for_mode_p before accepting.
536 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
538 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
540 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
543 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
544 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
546 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
548 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
550 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
552 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
554 * config/sh/predicates.md: Remove blank lines.
555 * config/sh/sh.c: Fix typos in comments.
556 * config/sh/constraints.md: Likewise.
557 * config/sh/sh.md: Remove blank lines.
558 Fix typos in comments. Use ;; as comment characters.
560 2012-02-26 Walter Lee <walt@tilera.com>
562 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
563 (replace_mov_pcrel_step2): Ditto.
565 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
568 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
569 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
570 and locs that reference values newer than the non-canonical value
571 at hand. Return the canonical value as a worst case.
572 (memrefs_conflict_p): Walk canonical value's locs.
575 * cselib.c (preserve_only_constants): Rename to...
576 (preserve_constants_and_equivs): ... this. Split out...
577 (invariant_or_equiv_p): ... this. Preserve plus expressions
578 of other preserved expressions too.
579 (cselib_reset_table): Adjust.
580 * var-tracking.c (reverse_op): Use canonical value to build
583 2012-02-23 Kai Tietz <ktietz@redhat.com>
585 * config/i386/i386.c (ix86_delegitimize_address): Handle
586 UNSPEC_PCREL plus displacement.
588 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
591 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
592 to test for unusedness in st X addressing.
594 2012-02-24 Richard Guenther <rguenther@suse.de>
597 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
598 (is_gimple_reg_type): Move inline ...
599 * gimple.h (is_gimple_reg_type): ... here.
601 2012-02-24 Richard Guenther <rguenther@suse.de>
604 * passes.c (execute_function_todo): When verifying SSA form
605 verify gimple form first.
606 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
608 2012-02-24 Richard Guenther <rguenther@suse.de>
611 * fold-const.c (fold_addr_of_array_ref_difference): New function.
612 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
614 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
616 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
618 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
620 * tree-phinodes.c (make_phi_node): Mark static.
621 * tree-flow.h (make_phi_node): Remove extern decl.
622 * doc/gimple.texi (make_phi_node): Remove documentation.
624 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
626 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
627 * tree-ssa-sccvn.c (print_scc): Ditto.
629 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
631 * doc/passes.texi (Full redundancy elimination): Fix typo.
633 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
635 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
637 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
640 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
642 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
645 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
647 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
649 * config/avr/avr.md (code_stdname): Add ior, xor.
650 (xior): New code iterator.
651 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
652 (*<code_stdname><mode>qi.byte1-3): Ditto.
654 2012-02-23 Jakub Jelinek <jakub@redhat.com>
656 PR tree-optimization/52019
657 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
660 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
662 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
663 HAVE_INITFINI_ARRAY to work around namespace pollution in
664 certain versions of newlib system headers.
665 * config.in: Regenerate.
666 * configure: Regenerate.
667 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
668 instead of HAVE_INITFINI_ARRAY.
670 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
673 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
674 is not offsettable memory reference.
676 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
679 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
680 setting avr_need_clear_bss_p for __gnu_lto* symbols.
682 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
684 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
685 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
687 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
689 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
690 library on Solaris 8 even without TLS support.
691 * configure: Regenerate.
693 2012-02-22 Richard Guenther <rguenther@suse.de>
696 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
697 for GIMPLE_DEBUG stmts.
699 2012-02-22 Martin Jambor <mjambor@suse.cz>
702 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
703 according to the base object.
705 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
707 PR rtl-optimization/50063
708 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
709 and 2 (8-bit SP) in operand 2.
710 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
711 setup to use movhi_sp_r instead of vanilla move to write SP.
712 Adjust REG_CFA notes to superseed unspec.
713 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
715 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
716 known to be off) only with TARGET_NO_INTERRUPTS. Never use
717 irq_state 1 (IRQ known to be on) here.
719 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
721 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
723 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
724 assign_hard_reg): Likewise.
726 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
728 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
730 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
733 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
734 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
736 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
738 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
739 prototype from here to...
740 * config/avr/avr.h: ...here.
742 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
745 * thumb2.md (thumb2_shiftsi3_short): Split register and
746 immediate shifts. For register shifts tie operands 0 and 1.
747 (peephole2 for above): Check that register-controlled shifts
748 have suitably tied operands.
750 2012-02-21 Quentin Neill <quentin.neill@amd.com>
753 * config/i386/bdver1.md (bdver1_call, bdver1_push,
754 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
755 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
756 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
757 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
758 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
759 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
760 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
761 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
762 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
763 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
764 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
765 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
766 bdver1_ssevector_avx256_unaligned_load,
767 bdver1_ssevector_sse128_unaligned_load,
768 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
769 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
770 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
771 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
772 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
773 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
774 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
775 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
776 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
777 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
778 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
779 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
780 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
781 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
782 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
783 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
784 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
785 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
786 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
787 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
788 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
789 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
790 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
791 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
792 bdver1_ssediv_double_load, bdver1_ssediv_double,
793 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
794 Add "bdver2" attribute.
796 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
798 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
799 default if possible and not specified otherwise.
801 2012-02-21 Richard Guenther <rguenther@suse.de>
804 * gimplify.c (create_tmp_from_val): Use the main variant type
805 for the type of the temporary we create.
807 2012-02-21 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/52324
810 * gimplify.c (gimplify_expr): When re-gimplifying expressions
811 do not gimplify a MEM_REF address operand if it is already
814 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
816 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
817 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
819 2012-02-21 Richard Guenther <rguenther@suse.de>
821 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
824 2012-02-21 Jakub Jelinek <jakub@redhat.com>
826 PR tree-optimization/52318
827 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
828 vdef also to non-pure/const call stmts in the sequence.
830 2012-02-20 David S. Miller <davem@davemloft.net>
832 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
833 don't use the "rd %pc" instruction on v9 for PIC register loads.
835 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
838 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
839 in a transaction safe function.
841 2012-02-20 Kai Tietz <ktietz@redhat.com>
844 * stor-layout.c (place_field): Handle desired_align for
847 2012-02-20 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/52298
850 * tree-vect-stmts.c (vectorizable_store): Properly use
851 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
853 (vectorizable_load): Likewise.
854 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
855 Access DR_STEP after ensuring it is not NULL.
857 2012-02-20 Jakub Jelinek <jakub@redhat.com>
859 PR tree-optimization/52286
860 * fold-const.c (fold_binary_loc): For (X & C1) | C2
861 optimization use double_int_to_tree instead of build_int_cst_wide,
862 rewrite to use double_int vars.
864 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
867 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
869 Remove -e 0 from $gcc_cv_ld invocation.
870 Only use __GLIBC_PREREQ if defined.
871 Enable on Solaris since Solaris 8 patch.
872 (gcc_SUN_LD_VERSION): New macro.
873 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
874 gcc_SUN_LD_VERSION for version number format.
875 * configure: Regenerate.
876 * varasm.c (get_elf_initfini_array_priority_section): Set
877 SECTION_NOTYPE for non-default priority.
878 Use get_section instead of get_unnamed_section to emit
879 .init_array/.fini_array with default priority.
881 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
883 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
884 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
885 (mips_start_unique_function, mips_output_mips16_rdhwr)
886 (mips_code_end): New functions.
887 (TARGET_ASM_CODE_END): Define.
889 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
891 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
892 to stubs with non-sibling calls.
894 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
896 * doc/invoke.texi (-fira-* options): Copy-edit.
897 (ira-* parameters): Copy-edit.
899 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
901 * doc/invoke.texi: Minor copy-edits to bring into conformance with
902 GCC coding conventions.
904 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
906 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
907 when used as adjectives.
909 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
911 * doc/invoke.texi: Clean up "that"/"which" confusion.
913 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
915 * system.h: Poison SMALL_REGISTER_CLASSES
916 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
917 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
919 2012-02-16 Jakub Jelinek <jakub@redhat.com>
921 PR tree-optimization/52285
922 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
923 when deciding if a call is a tail call or tail recursion.
925 2012-02-16 Kai Tietz <ktietz@redhat.com>
927 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
928 interger-constant displacement for UNSPEC_PCREL.
930 2012-02-16 Jakub Jelinek <jakub@redhat.com>
932 PR rtl-optimization/52208
933 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
934 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
936 PR tree-optimization/52255
937 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
938 loop->header has virtual PHI, but exit_e->dest doesn't, add
939 virtual PHI to exit_e->dest and adjust all uses after the loop.
942 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
943 children with clone_tree_hash, not after it.
945 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
947 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
948 extended identifiers.
950 2012-02-16 Jakub Jelinek <jakub@redhat.com>
953 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
954 a same_body_alias, also test whether e->callee isn't a former
955 or current clone of the decl this is a same body alias of.
958 * cgraphunit.c (verify_cgraph_node): Fix a typo.
960 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
962 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
964 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
967 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
968 force_reg instead of copy_to_reg for better optimization. Force
969 non-register or memory operands into a register.
971 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
973 * extend.texi: Reserve upper bits of memory model for future use.
975 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
976 Anatoly Sokolov <aesok@post.ru>
977 Eric Weddington <eric.weddington@atmel.com>
980 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
981 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
982 Rewrite initializers for .macro.
983 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
984 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
985 atxmega32d4, atxmega32x1.
986 avrxmega4: atxmega64a3, atxmega64d3.
987 avrxmega5: atxmega64a1, atxmega64a1u.
988 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
989 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
990 avrxmega7: atxmega128a1, atxmega128a1u.
991 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
992 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
993 (struct base_arch_s): Rename reserved to xmega_p.
994 Rename reserved2 to have_rampd.
995 (AVR_XMEGA): New define.
996 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
997 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
998 * config/avr/predicates.md (io_address_operand): Take into
1000 (low_io_address_operand): Ditto.
1001 (high_io_address_operand): Ditto.
1002 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1003 (enabled, movhi_sp_r): Use them.
1004 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1005 cpp_define_formatted to built-in define __AVR_ARCH__.
1006 (__AVR_XMEGA__): New built-in define.
1007 (__AVR_HAVE_RAMPD__): New built-in define.
1008 (__AVR_HAVE_RAMPX__): New built-in define.
1009 (__AVR_HAVE_RAMPY__): New built-in define.
1010 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1012 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1013 (avr_option_override): Initialize them.
1014 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1015 (avr_init_expanders): Initialize them. No more block several calls.
1016 (emit_push_sfr): New static function.
1017 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1019 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1020 (avr_print_operand): Print addreeses as symbols for
1021 RAMPX, RAMPY, RAMPD, CCP.
1022 (output_movhi): Handle AVR_XMEGA when writing to SP.
1023 (avr_out_movhi_mr_r_xmega): New static function.
1024 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1025 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1026 __RAMPD__, __CCP__ as needed.
1028 * config/avr/multilib.h: Regenerate.
1029 * config/avr/t-multilib: Regenerate.
1030 * config/avr/avr-tables.opt: Regenerate.
1032 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1034 PR tree-optimization/50561
1035 * graphite-flattening.c (lst_project_loop): Do not
1036 remove old scattering dimensions after flattening.
1037 (lst_do_flatten): Likewise.
1039 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1041 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1042 __builtin_avr_map8, __builtin_avr_map16.
1043 Document __builtin_avr_insert_bits.
1045 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1046 (insert_bits): New insn.
1047 (adjust_len.map_bits): Rename to insert_bits.
1048 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1049 * avr-protos.h (avr_out_map_bits): Remove.
1050 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1051 * config/avr/constraints.md (Cxf,C0f): New.
1052 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1053 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1054 New built-in define __BUILTIN_AVR_INSERT_BITS.
1055 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1056 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1057 (avr_move_bits): Rewrite.
1058 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1060 (avr_map_op_t): New typedef.
1061 (avr_map_op): New static variable.
1062 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1063 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1064 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1065 (bdesc_3arg, avr_expand_triop_builtin): New.
1066 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1067 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1068 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1069 (avr_map_equal_p, avr_map_sig_p): Remove.
1070 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1071 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1072 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1073 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1074 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1075 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1077 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1079 * config/c6x/c6x.md (reserve_cycles): New attribute.
1080 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1081 don't reserve functional units after the branch occurs.
1083 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1086 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1087 functions into non-tm_pure functions.
1089 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1092 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1093 (iterative_hash_canonical_type): Likewise.
1094 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1097 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1099 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1100 sched-group insn, it either remains alone or the entire list is pruned.
1102 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1104 * doc/install.texi (Prerequisites): Fix grammar.
1105 (Configuration): Likewise.
1107 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1109 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1110 MPC as part of GCC before describing configuring with --with-gmp etc.
1111 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1112 sources are present.
1114 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1117 * dwarf2out.c (clone_tree_hash): New function.
1118 (copy_decls_walk): Use it instead of clone_tree.
1120 2012-02-14 Richard Guenther <rguenther@suse.de>
1122 PR tree-optimization/52244
1123 PR tree-optimization/51528
1124 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1125 replacements for integral types.
1127 2012-02-14 Walter Lee <walt@tilera.com>
1129 * config.gcc: Handle tilegx and tilepro.
1130 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1132 Add HAVE_AS_TLS check for tilegx and tilepro.
1133 * configure: Regenerate.
1134 * doc/contrib.texi: Add Mat Hostetter and self.
1135 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1136 Document instruction intrinsics and network accessing intrinsics.
1137 (TILEPro Built-in Functions): New node. Document instruction
1138 intrinsics and network accessing intrinsics.
1139 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1140 (Specific, tilepro-*-linux*): Likewise.
1141 * doc/invoke.texi (TILE-Gx Options): New section.
1142 (TILEPro Options): New section.
1143 * doc/md.texi (TILE-Gx): New section.
1144 (TILEPro): New section.
1145 * common/config/tilegx/tilegx-common.c: New file.
1146 * common/config/tilepro/tilepro-common.c: New file.
1147 * config/tilegx/constraints.md: New file.
1148 * config/tilegx/linux.h: New file.
1149 * config/tilegx/mul-tables.c: New file.
1150 * config/tilegx/predicates.md: New file.
1151 * config/tilegx/sync.md: New file.
1152 * config/tilegx/t-tilegx: New file.
1153 * config/tilegx/tilegx-builtins.h: New file.
1154 * config/tilegx/tilegx-c.c: New file.
1155 * config/tilegx/tilegx-generic.md: New file.
1156 * config/tilegx/tilegx-modes.def: New file.
1157 * config/tilegx/tilegx-multiply.h: New file.
1158 * config/tilegx/tilegx-protos.h: New file.
1159 * config/tilegx/tilegx.c: New file.
1160 * config/tilegx/tilegx.h: New file.
1161 * config/tilegx/tilegx.md: New file.
1162 * config/tilegx/tilegx.opt: New file.
1163 * config/tilepro/constraints.md: New file.
1164 * config/tilepro/gen-mul-tables.cc: New file.
1165 * config/tilepro/linux.h: New file.
1166 * config/tilepro/mul-tables.c: New file.
1167 * config/tilepro/predicates.md: New file.
1168 * config/tilepro/t-tilepro: New file.
1169 * config/tilepro/tilepro-builtins.h: New file.
1170 * config/tilepro/tilepro-c.c: New file.
1171 * config/tilepro/tilepro-generic.md: New file.
1172 * config/tilepro/tilepro-modes.def: New file.
1173 * config/tilepro/tilepro-multiply.h: New file.
1174 * config/tilepro/tilepro-protos.h: New file.
1175 * config/tilepro/tilepro.c: New file.
1176 * config/tilepro/tilepro.h: New file.
1177 * config/tilepro/tilepro.md: New file.
1178 * config/tilepro/tilepro.opt: New file.
1180 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1182 PR tree-optimization/52210
1183 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1184 vect_model_simple_cost with two entry vect_def_type array instead
1185 of an address of dt.
1187 2012-02-14 Richard Guenther <rguenther@suse.de>
1190 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1191 Do not stream DECL_QUALIFIER.
1192 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1193 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1194 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1196 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1199 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1202 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1205 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1206 * cselib.c (cselib_subst_to_values_from_insn): New function.
1207 * sched-deps.c (add_insn_mem_dependence,
1208 sched_analyze_1, sched_analyze_2): Use it.
1210 2012-02-13 Jan Hubicka <jh@suse.cz>
1213 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1215 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1217 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1218 (GTM_SELF_SPECS): Define if not already defined.
1219 (driver_self_specs): Add GTM_SELF_SPECS.
1220 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1221 (GTM_SELF_SPECS): Define.
1222 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1223 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1225 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1227 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1230 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1233 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1234 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1236 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1239 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1241 2012-02-13 Richard Guenther <rguenther@suse.de>
1243 PR translation/52211
1244 * passes.c (enable_disable_pass): Fix typo.
1246 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1249 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1250 XOR for reduce_bit_field if type is unsigned.
1252 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1254 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1255 disallow changes from SFmode to mode with different size in FP regs.
1257 2012-02-12 Robert Millan <rmh@gnu.org>
1258 Gerald Pfeifer <gerald@pfeifer.com>
1260 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1263 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1265 PR rtl-optimization/52175
1266 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1267 to frame-related instructions.
1269 2012-02-10 Jason Merrill <jason@redhat.com>
1272 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1273 (demangle_new_symbols): Fill it.
1274 (scan_linker_output): Walk it.
1275 (start_tweaking): Split out from scan_linker_output.
1276 (maybe_tweak): Update sym->chosen.
1277 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1279 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1282 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1284 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1286 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1287 having the same mode as previous compare.
1289 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1291 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1292 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1293 (nonlocal_goto_internal): Likewise.
1294 (nonlocal_goto): Emit a use and an indirect jump directly.
1296 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1299 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1300 __atomic_{is,always}_lock_free.
1302 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1305 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1306 negative constant address for x32.
1308 2012-02-10 Richard Henderson <rth@redhat.com>
1310 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1311 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1312 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1314 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1315 Ira Rosen <irar@il.ibm.com>
1317 PR tree-optimization/50031
1318 * targhooks.c (default_builtin_vectorization_cost): Handle
1320 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1321 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1322 all types of reduction and pattern statements.
1323 (vect_estimate_min_profitable_iters): Likewise.
1324 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1325 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1326 for explicit realigns.
1327 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1328 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1330 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1331 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1332 vec_perm for VSX and handle vec_promote_demote.
1334 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1337 * builtins.c (fold_builtin_atomic_always_lock_free,
1338 expand_builtin_atomic_always_lock_free,
1339 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1340 Return and/or test boolean_true_node/boolean_false_node instead of
1341 integer_one_node/integer_zero_node.
1343 2012-02-10 Jan Hubicka <jh@suse.cz>
1346 * predict.c (predict_paths_for_bb): Prevent looping.
1347 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1349 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1351 * config/arm/arm.c (output_move_double): In one case properly
1352 count number of instructions that will be emitted.
1354 2012-02-10 Richard Guenther <rguenther@suse.de>
1356 PR translation/52193
1357 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1359 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1362 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1364 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1367 * var-tracking.c (emit_note_insn_var_location): If
1368 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1369 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1370 non-NOTE_DURING_CALL_P insn.
1372 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1375 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1377 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1380 * gcc.c (switch_matches) Support switches with separated form,
1383 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1385 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1387 (RAMPZ_ADDR): Ditto.
1388 * config/avr/avr.c (avr_addr_t): New typedef.
1389 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1390 (avr_init_expanders): Initialize it.
1391 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1393 (expand_epilogue): Ditto.
1394 (avr_print_operand): Ditto.
1395 (avr_file_start): Ditto.
1396 (avr_emit_movmemhi): Ditto.
1398 2012-02-08 Richard Guenther <rguenther@suse.de>
1400 PR tree-optimization/46886
1401 * tree-flow.h (do_while_loop_p): Declare.
1402 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1403 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1405 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1407 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1408 always succeed for integers larger than a native word.
1410 2012-02-08 Richard Guenther <rguenther@suse.de>
1412 PR rtl-optimization/52170
1413 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1414 properly handle integer vector modes.
1416 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1418 PR gcov-profile/52150
1419 * coverage.c: Include target.h.
1420 (build_var): Call targetm.strip_name_encoding on the assembler name.
1421 Change one _ into . or $ if the target allows it.
1422 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1424 PR rtl-optimization/52139
1425 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1426 is a BARRIER after emit_insn_after_noloc, move BB_END
1427 to the last non-BARRIER insn before it.
1429 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1432 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1433 (mips_gimplify_va_arg_expr): Call it instead of
1434 std_gimplify_va_arg_expr.
1436 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1438 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1439 message for -mno-pointers-to-nested-function.
1441 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1444 * expr.c (get_inner_reference): If there is an offset, add a negative
1445 bit position to it (if any).
1447 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1449 PR rtl-optimization/52060
1450 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1451 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1452 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1453 and/or i0src_copy2 when needed.
1455 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1457 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1458 or LTOPLUGINSONAME if have_c.
1460 * config/freebsd-spec.h: Add comment about what macros can be defined
1462 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1463 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1466 2012-02-07 Richard Guenther <rguenther@suse.de>
1468 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1469 newline in -alias dumps.
1471 2012-02-07 Kai Tietz <ktietz@redhat.com>
1472 Dave Korn <dave.korn.cygwin@gmail.com>
1475 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1476 Take care that typinfo gets dllexport-attribute.
1478 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1481 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1482 if modifier < EXPAND_SUM call force_operand on the result.
1484 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1486 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1487 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1489 (epiphany_function_type): Replace types for specific interrupts with
1490 EPIPHANY_FUNCTION_INTERRUPT.
1491 (EPIPHANY_INTERRUPT_P): Update.
1492 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1493 New static function.
1494 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1495 <disinterrupt>: Affects type identity.
1496 (epiphany_handle_interrupt_attribute): Handle variable number of
1498 (epiphany_compute_function_type): Update for new
1499 epiphany_function_type definition.
1500 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1501 handlers with a longcall forwarder.
1502 (epiphany_start_function): Handle multiple interrupt arguments and/or
1503 forwarder_section attribute.
1505 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1508 2012-02-07 Alan Modra <amodra@gmail.com>
1511 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1514 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1516 PR tree-optimization/50969
1517 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1518 use vec_perm rather than vector_stmt.
1519 (vect_model_load_cost): Likewise.
1520 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1521 vec_perm to be the same as other vector statements.
1522 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1523 cost of vec_perm for TARGET_VSX.
1525 2012-02-06 Richard Guenther <rguenther@suse.de>
1527 PR tree-optimization/52115
1528 * tree-sra.c (access_has_replacements_p): New function.
1529 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1531 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1534 * trans-mem.c (expand_call_tm): Add an assertion.
1535 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1538 2012-02-06 Richard Guenther <rguenther@suse.de>
1540 PR tree-optimization/50955
1541 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1542 raise cost of expressions that replace an address with an
1543 expression based on a different pointer.
1545 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1548 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1549 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1551 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1554 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1555 -Weffc++ and specify guidelines come from second edition.
1557 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1559 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1560 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1561 (call_direct_split, call_value_split, call_value_internal_direct)
1562 (call_value_direct_split, call_value_multiple_split): Use jal and
1563 jal_macro attributes.
1565 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1567 * reload1.c (reload_regs_reach_end_p): Replace with...
1568 (reload_reg_rtx_reaches_end_p): ...this function.
1569 (new_spill_reg_store): Update commentary.
1570 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1571 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1572 before setting new_spill_reg_store.
1573 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1574 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1575 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1576 for non-spill reload registers.
1578 2012-02-05 Ira Rosen <irar@il.ibm.com>
1580 PR tree-optimization/52091
1581 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1582 (vect_is_simple_use_1): Likewise.
1583 * tree-vect-loop.c (vectorizable_reduction): Update calls
1584 to vect_is_simple_use_1 and vect_is_simple_use.
1585 (vectorizable_live_operation): Likewise.
1586 * tree-vect-patterns.c (widened_name_p,
1587 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1588 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1589 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1590 vectorizable_shift,vectorizable_operation, vectorizable_store,
1591 vectorizable_load): Likewise.
1592 (vect_is_simple_cond): Add an argument, pass it to
1593 vect_is_simple_use_1.
1594 (vectorizable_condition): Update calls to vect_is_simple_cond,
1596 (vect_is_simple_use): Add an argument, the statement in which
1597 OPERAND is used. Check that if OPERAND's def stmt is a double
1598 reduction phi node, the use is a phi node too.
1599 (vect_is_simple_use_1): Add an argument, pass it to
1601 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1602 to vect_is_simple_use.
1604 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1606 PR rtl-optimization/52095
1607 * modulo-sched.c (dump_insn_locator): New function.
1608 (loop_canon_p, sms_schedule): Use it.
1610 PR rtl-optimization/52113
1611 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1612 even for decomposable shift/zext insns.
1614 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1615 Zdenek Dvorak <ook@ucw.cz>
1617 PR rtl-optimization/52092
1618 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1619 on get_iv_value result.
1621 2012-02-02 Andrew Pinski <apinski@cavium.com>
1625 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1627 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1630 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1632 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1634 PR rtl-optimization/49800
1635 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1636 (sched_finish): Call regstat_free_n_sets_and_refs.
1638 2012-02-02 Jia Liu <proljc@gmail.com>
1640 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1643 2012-02-02 Jan Hubicka <jh@suse.cz>
1644 Tom de Vries <tom@codesourcery.com>
1647 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1648 * varpool.c (varpool_analyze_pending_decls): Likewise.
1650 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1651 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1653 * config.gcc: Add cr16-* support.
1655 * doc/extend.texi: Document cr16 extensions.
1656 * doc/install.texi: Document cr16 install.
1657 * doc/invoke.texi: Document cr16 options.
1658 * doc/md.texi: Document cr16 constraints.
1660 * common/config/cr16/cr16-common.c: New file.
1661 * config/cr16/cr16.c: New file.
1662 * config/cr16/cr16.h: New file.
1663 * config/cr16/cr16.md: New file.
1664 * config/cr16/cr16.opt: New file.
1665 * config/cr16/cr16-protos.h: New file.
1666 * config/cr16/predicates.md: New file.
1667 * config/cr16/constraints.md: New file.
1668 * config/cr16/t-cr16: New file.
1670 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1673 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1674 that operands[2] is either immediate, or q_regs_operand.
1676 PR tree-optimization/52073
1677 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1678 a pattern stmt for pattern uses, ignore uses outside of the loop.
1680 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1682 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1683 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1684 (OUT_AS1, OUT_AS2): Remove.
1686 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1688 PR rtl-optimization/51374
1689 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1690 to cross other volatile_refs_p insns.
1692 2012-02-01 Richard Guenther <rguenther@suse.de>
1694 * doc/invoke.texi (fno-inline): Clarify documentation.
1695 (finline-small-functions): Likewise.
1696 (finline-functions): Likewise.
1697 * common.opt (finline): Adjust comment and documentation.
1698 (finline-small-functions): Clarify documentation.
1699 (finline-functions): Likewise.
1700 (finline-functions-called-once): Likewise.
1702 2012-02-01 Tristan Gingold <gingold@adacore.com>
1704 * c-typeck.c (composite_type): Keep mode for pointers.
1706 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1708 * function.h (regno_reg_rtx): Adjust comment.
1709 * reginfo.c (init_reg_modes_target): Only use the previous mode
1710 if it fits within one register. Remove MIPS comment.
1712 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1715 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1717 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1719 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1720 to srak instruction.
1722 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1724 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1726 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1731 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1733 2012-01-31 Richard Guenther <rguenther@suse.de>
1735 PR tree-optimization/51528
1736 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1739 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1744 * ree.c (add_removable_extension): Change def_map argument
1745 to unsigned *, store in def_map 1 + offset into *insn_list vector
1746 instead of pointers into the vector.
1747 (find_removable_extensions): Adjust caller.
1749 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1751 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1752 Transform all "* quoted-c-code" to { c-code }.
1753 Remove redundant test for "optimize" in combine patterns.
1754 Move (include "avr-dimode.md") to end of file.
1756 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1759 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1760 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1762 2012-01-30 Richard Guenther <rguenther@suse.de>
1764 PR tree-optimization/52028
1765 * tree-loop-distribution.c (ldist_gen): Properly update
1768 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1771 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1772 set_cur_line_info_table if not emitting debug info.
1774 PR tree-optimization/52046
1775 * tree-vect-patterns.c (check_bool_pattern): Give up if
1776 a comparison could throw.
1779 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1781 2012-01-30 Richard Guenther <rguenther@suse.de>
1783 PR tree-optimization/52045
1784 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1785 SSA form if cfgcleanup did anything.
1787 2012-01-30 Richard Guenther <rguenther@suse.de>
1789 PR tree-optimization/52045
1790 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1791 before computing final todo.
1793 2012-01-30 Richard Guenther <rguenther@suse.de>
1795 PR tree-optimization/51528
1796 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1799 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1801 * df-problems.c (df_kill_notes): Check that the use refers
1802 to the note under examination.
1804 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1807 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1808 parameter and use short-lived pseudos.
1809 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1810 (sparc_expand_vector_init): Const-ify local variables and adjust
1811 calls to above functions.
1813 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1815 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1817 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1819 * doc/invoke.texi: Make usage of "compile time" and
1820 "run time"/"runtime" consistent throughout the file.
1822 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1824 * config/alpha/alpha.c (alpha_option_override): Default to
1825 full IEEE compliance mode for Go language.
1827 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1829 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1830 (LINK_SSP_SPEC): Define.
1832 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1835 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1838 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1840 * doc/invoke.texi: Correct hyphenation of "floating point",
1841 "double precision", and related terminology throughout the file.
1843 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1846 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1847 arm_general_register_operand predicate for operand 2 instead of
1850 2012-01-27 Ian Lance Taylor <iant@google.com>
1853 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1854 * builtins.c (expand_builtin_init_trampoline): Add onstack
1855 parameter. Change caller.
1856 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1857 * tree.c (build_common_builtin_nodes): Declare
1858 __builtin_init_heap_trampoline.
1860 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1862 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1863 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1864 * config/avr/avr.c: Ditto.
1865 (avr_regnames): Remove because unused.
1866 * config/avr/avr.md (*cpse.ne): New peephole.
1867 (*cpse.eq): New peephole from former cpse peepholes.
1869 2012-01-27 Michael Eager <eager@eagercon.com>
1871 * config/microblaze.c (microblaze_emit_compare): Correct
1872 test after pcmp instruction.
1874 2012-01-27 Richard Guenther <rguenther@suse.de>
1876 PR tree-optimization/52020
1877 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1879 2012-01-27 Richard Guenther <rguenther@suse.de>
1881 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1882 function non-const/pure.
1884 2012-01-27 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/50444
1887 * tree-sra.c (build_ref_for_offset): Properly adjust the
1888 MEM_REF type for unaligned accesses.
1890 2012-01-27 Richard Guenther <rguenther@suse.de>
1892 PR tree-optimization/50444
1893 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1894 (expand_assignment): Use it. Properly handle misaligned
1895 bases when expanding stores to component references.
1896 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1899 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1902 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1903 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1904 * tree-data-ref.c (find_data_references_in_loop): Make static.
1905 (compute_all_dependences): Change return type to bool. Bail out
1906 for too many datarefs in a loop. Move the hunk resetting the data
1907 dependences vector from ...
1908 (compute_data_dependences_for_loop): ... here. Account for
1909 compute_all_dependences returning false.
1910 (compute_data_dependences_for_bb): Likewise.
1911 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1912 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1914 2012-01-27 Richard Guenther <rguenther@suse.de>
1917 * expr.c (store_field): Use the alias-set of the scratch memory
1920 2012-01-27 Tom de Vries <tom@codesourcery.com>
1922 PR tree-optimization/51990
1923 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1925 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1927 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1930 * var-tracking.c (reverse_op): Don't add any reverse operation
1931 if V already has any constant locations.
1933 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1935 * doc/invoke.texi: Correct usage of "command line" (noun)
1936 vs "command-line" (adjective) throughout.
1938 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1940 * doc/invoke.texi (Language Independent Options): Move
1941 -Wcoverage-mismatch blurb from here....
1942 (Warning Options): ...to here.
1944 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1946 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1947 Set rs6000_always_hint to false for 476.
1949 2012-01-27 Matthias Klose <doko@ubuntu.com>
1951 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1953 * incpath.c (add_standard_paths): Likewise.
1955 2012-01-27 Richard Henderson <rth@redhat.com>
1957 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1958 * config/m68k/sync.md (atomic_test_and_set): Rename from
1959 sync_test_and_setqi and adjust the operands.
1960 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1961 and unconditionally enable.
1963 2012-01-27 Richard Henderson <rth@redhat.com>
1965 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1966 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1967 (ldstub): Rename from ldstubqi.
1968 (ldstub<I24MODE>): Remove.
1970 2012-01-27 Richard Henderson <rth@redhat.com>
1972 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1973 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1974 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1975 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1976 * doc/tm.texi: Rebuild.
1978 2012-01-27 Richard Henderson <rth@redhat.com>
1980 * optabs.c (gen_atomic_test_and_set): Remove default.
1981 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1983 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1985 PR rtl-optimization/51978
1986 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1987 (combine_reaching_defs): Likewise.
1988 (struct re_info): Remove.
1989 (add_removable_extension): Remove x and data arguments,
1990 add insn, insn_list and def_map. Use the arguments directly
1991 instead of using struct re_info.
1992 (find_removable_extensions): Don't call add_removable_extension
1993 through note_stores, instead just call it with single_set
1995 (find_and_remove_re): Pass curr_cand->expr instead of
1996 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1998 2012-01-26 Michael Matz <matz@suse.de>
2000 PR tree-optimization/46590
2001 * cfgexpand.c: Revert last change (r183305).
2002 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2004 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2005 checking for emptiness.
2007 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2010 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2011 non-addressable non-BLKmode base correctly.
2013 2012-01-26 Michael Matz <matz@suse.de>
2015 PR tree-optimization/48794
2016 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2017 regions referenced from RESX/EH_DISPATCH.
2019 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2021 * config/s390/s390.h: Make BRANCH_COST an option.
2022 * config/s390/s390.opt: New option -mbranch-cost.
2024 2012-01-26 Richard Henderson <rth@redhat.com>
2026 Revert 2012-01-24 change:
2027 * trans-mem.c (requires_barrier): Do not instrument thread local
2028 variables and emit save/restore for them.
2030 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2033 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2036 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2038 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2041 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2044 Rename __pgm to __flash.
2045 Rename __pgm1 to __flash1.
2046 Rename __pgm2 to __flash2.
2047 Rename __pgm3 to __flash3.
2048 Rename __pgm4 to __flash4.
2049 Rename __pgm5 to __flash5.
2050 Rename __pgmx to __memx.
2051 * doc/extend.texi (AVR Named Address Spaces)
2052 Rename address space names as indicated above.
2053 * config/avr/avr.c (avr_addrspace): Ditto.
2055 * config/avr/avr-protos.h
2056 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2057 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2058 * config/avr/predicates.md: Ditto.
2059 * config/avr/avr.c Ditto, and
2060 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2061 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2063 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2064 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2065 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2066 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2067 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2068 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2069 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2070 * config/avr/avr.c: Ditto.
2071 * config/avr/avr.md: Ditto.
2073 2012-01-25 Jason Merrill <jason@redhat.com>
2076 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2078 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2080 PR tree-optimization/51987
2081 * tree-data-ref.c (get_references_in_stmt): Handle references in
2082 non-volatile GIMPLE_ASM.
2084 2012-01-25 Richard Guenther <rguenther@suse.de>
2086 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2087 bases are dereferenced.
2089 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2091 PR rtl-optimization/48374
2092 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2094 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2096 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2097 compute_data_dependences_for_loop returns false.
2098 * tree-parloops.c (loop_parallel_p): Likewise.
2100 2012-01-25 Richard Guenther <rguenther@suse.de>
2102 * tree.h (get_pointer_alignment_1): Declare.
2103 * builtins.c (get_pointer_alignment_1): New function.
2104 (get_pointer_alignment): Use it.
2106 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2108 PR rtl-optimization/48308
2109 * combine.c (enum undo_kind): Add UNDO_LINKS.
2110 (struct undo): Add member l to other_contents and where.
2111 (do_SUBST_LINK): New.
2113 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2114 (undo_all): Handle UNDO_LINKS.
2116 2012-01-25 Richard Henderson <rth@redhat.com>
2118 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2121 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2123 * optabs.c (gen_atomic_test_and_set): Use each argument.
2125 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2127 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2128 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2129 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2130 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2131 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2132 TARGET_PAIRED_SINGLE_FLOAT.
2134 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2136 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2137 (in_struct, return_val): Remove MEM documentation.
2138 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2139 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2140 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2142 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2143 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2144 * expr.c (store_field): Likewise.
2145 * function.c (assign_stack_temp_for_type): Likewise.
2146 * ifcvt.c (noce_try_cmove_arith): Likewise.
2147 * reload1.c (reload): Likewise.
2148 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2149 (alpha_set_memflags): Likewise.
2150 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2152 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2154 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2156 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2157 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2158 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2160 * cselib.c (cselib_rtx_varies_p): Delete.
2161 (cselib_invalidate_mem): Update call to canon_true_dependence.
2162 * dse.c (record_store, check_mem_read_rtx): Likewise.
2163 (scan_reads_nospill): Likewise.
2164 * cse.c (check_dependence): Likewise.
2165 (cse_rtx_varies_p): Delete.
2166 * expr.c (safe_from_p): Update call to true_dependence.
2167 * ira.c (validate_equiv_mem_from_store): Likewise.
2168 (memref_referenced_p): Likewise.
2169 * postreload-gcse.c (find_mem_conflicts): Likewise.
2170 * sched-deps.c (sched_analyze_2): Likewise.
2171 * store-motion.c (load_kills_store): Likewise.
2172 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2173 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2174 (compute_transp): Update call to canon_true_dependence.
2176 2012-01-25 Richard Henderson <rth@redhat.com>
2178 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2179 (maybe_emit_atomic_test_and_set): New.
2180 (expand_sync_lock_test_and_set): Use it.
2181 (expand_atomic_test_and_set): Likewise.
2182 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2183 the implementation; clarify implementation defined details.
2184 * doc/md.texi (atomic_test_and_set): Document.
2186 2012-01-25 Richard Henderson <rth@redhat.com>
2188 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2190 2012-01-25 Richard Henderson <rth@redhat.com>
2193 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2194 to effect no-op split.
2196 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2199 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2200 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2201 (BT_FN_VOID_PTR_INT_SIZE): New.
2202 (BT_FN_UINT_UINT_VAR): Remove.
2203 (BT_FN_UINT32_UINT32_VAR): New.
2204 (BT_FN_DOUBLE_VPTR): Remove.
2205 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2207 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2208 (_ITM_changeTransactionMode): Same.
2209 (_ITM_memmoveRtWt): Change return type to void.
2210 (_ITM_memcpyRtWt): Same.
2211 (_ITM_memsetW): Same.
2212 (_ITM_RaRD): Change types to double.
2217 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2219 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2220 Patrick Marlier <patrick.marlier@gmail.com>
2222 * trans-mem.c (requires_barrier): Do not instrument thread local
2223 variables and emit save/restore for them.
2225 2012-01-24 Jason Merrill <jason@redhat.com>
2228 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2229 output static aliases.
2231 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2234 * common.opt (-pie, -shared, pie, shared): Change from Common to
2236 * gcc.c (display_help): Display help for -pie and -shared.
2238 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2241 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2242 Remove note on size/offset limitation.
2243 (AVR Variable Attributes): Add example how to read data located
2244 with progmem. Refer to named address spaces.
2245 * doc/invoke.texi (AVR Options): Fix typo.
2247 2012-01-24 Richard Guenther <rguenther@suse.de>
2249 Forward-port to trunk
2250 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2253 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2254 op0 isn't sufficiently aligned and there is movmisalignM
2255 insn for mode, use it to load op0 into a temporary register.
2257 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2260 * target.def (const_not_ok_for_debug_p): New hook.
2261 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2263 * doc/tm.texi: Regenerated.
2264 * dwarf2out.c (const_ok_for_output_1): If
2265 targetm.const_not_ok_for_debug_p returns true, fail.
2266 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2268 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2270 2012-01-23 Kai Tietz <ktietz@redhat.com>
2273 * config/i386/predicates.md (symbolic_operand): Allow
2274 UNSPEC_PCREL as PIC expression for lea.
2275 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2276 * config/i386/i386.c (ix86_delegitimize_address): Handle
2277 UNSPEC_PCREL for none-MEM, too.
2279 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2281 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2282 (ipa_tm_create_version_alias): Same.
2284 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2287 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2288 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2290 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2291 Patrick Marlier <patrick.marlier@gmail.com>
2292 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2295 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2296 simple_object_start_read.
2298 2012-01-23 Richard Guenther <rguenther@suse.de>
2301 PR tree-optimization/51895
2302 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2303 parameter decomposition into BLKmode components.
2305 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2307 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2308 fake variables for restrict-qualified pointers whose pointed-to type
2309 contains a placeholder.
2311 2012-01-23 Richard Guenther <rguenther@suse.de>
2313 PR tree-optimization/51949
2314 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2316 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2318 PR rtl-optimization/51933
2319 * ree.c (transform_ifelse): Return true right away if dstreg is
2320 already wider or equal to cand->mode.
2321 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2322 (make_defs_and_copies_lists): Remove defs_list and copies_list
2323 arguments, add state argument, just truncate state->work_list
2324 instead of always allocating and freeing the vector. Assert that
2325 get_defs succeeds instead of returning 2. Changed return type to bool.
2326 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2327 have ext_src_mode, see if it has been modified already with the
2328 right kind of extension and has been extended before from the
2329 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2330 just return true. Remember the original mode in state->modified array.
2331 (combine_reaching_defs): Add state argument. Don't allocate and
2332 free here def_list, copied_list and vec vectors, instead just
2333 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2334 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2335 Add state variable, clear vectors in it, initialize state.modified
2336 if needed. Free all the vectors at the end and state.modified too.
2337 Don't skip a candidate if the extension expression has been modified.
2339 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2342 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2343 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2344 (extra_options) interix.opt -> i386/interix.opt"
2345 (extra_objs):Add winnt-stubs.o
2346 * configure.ac: Add interix to target_os .comm on PE check.
2347 * configure: Regenerate.
2348 * config/interix3.h: Delete and move bits to..
2349 * config/interix.h: Delete and move bits to..
2350 * config/i386/i386-interix3.h: Delete and move bits to..
2351 * config/i386/i386-interix.h: ..here.
2352 (TARGET_CPU_DEFAULT): Remove redefinition.
2353 (TARGET_ASM_CONSTRUCTOR): Undefine.
2354 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2355 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2356 (PTRDIFF_TYPE): Define.
2357 (LONG_DOUBLE_TYPE_SIZE): Define.
2358 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2359 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2360 (TARGET_SECTION_TYPE_FLAGS): Define.
2361 (ASM_DECLARE_FUNCTION_NAME): Define.
2362 (ASM_OUTPUT_EXTERNAL): Define.
2363 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2364 (ASM_OUTPUT_ALIGNED_BSS): Define.
2365 (PCC_BITFIELD_TYPE_MATTERS): Define.
2366 (USE_CONST_SECTION): Define.
2367 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2368 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2369 (SUPPORTS_ONE_ONLY): Remove.
2370 (I386_PE_STRIP_ENCODING): Define.
2371 * config/interix.opt: Delete and move bits to..
2372 * config/i386/interix.opt: ..here. New.
2373 (mpe-aligned-commons): Add.
2374 * config/i386/t-interix: Add copyright header.
2375 (winnt-stubs.o): Add rule.
2377 2012-01-22 Jason Merrill <jason@redhat.com>
2380 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2381 for extra name aliases.
2383 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2385 PR rtl-optimization/51924
2386 * ree.c (combine_set_extension): Improve debugging message.
2387 (combine_reaching_defs): Likewise.
2388 (get_defs): Rename confusingly named variable.
2389 (find_and_remove_re): Skip a candidate if the extension expression has
2392 2012-01-21 Robert Millan <rmh@gnu.org>
2393 Gerald Pfeifer <gerald@pfeifer.com>
2395 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2396 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2398 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2400 PR tree-optimization/51914
2401 * tree-vect-stmts.c (vectorizable_conversion): For
2402 cvt_type && modifier == WIDEN, put temporary with cvt_type
2403 at the beginning of vec_dsts and set vec_dest to temporary
2406 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2408 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2410 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2412 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2413 * config/rs6000/rs6000.c: Likewise.
2415 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2418 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2419 output_move_double on a copy of operands array.
2421 2012-01-20 Cary Coutant <ccoutant@google.com>
2422 Dodji Seketeli <dodji@redhat.com>
2425 * dwarf2out.c (copy_declaration_context): Return ref to parent
2426 of declaration DIE, if necessary.
2427 (remove_child_or_replace_with_skeleton): Add new parameter; update
2428 caller. Place skeleton DIE under parent DIE of original declaration.
2429 Move call to copy_declaration_context to here ...
2430 (break_out_comdat_types): ... from here.
2432 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2434 PR rtl-optimization/51856
2435 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2438 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2441 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2442 hints for neon loads and stores.
2444 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2448 * doc/extend.texi (Named Address Spaces): Split into subsections.
2449 (AVR Named Address Spaces): New subsection.
2450 (M32C Named Address Spaces): New subsection.
2451 (RL78 Named Address Spaces): New subsection.
2452 (SPU Named Address Spaces): New subsection.
2453 (Variable Attributes): New anchor "AVR Variable Attributes".
2454 (AVR Variable Attributes): Rewrite and avoid wording
2455 "address space" in this context.
2456 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2457 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2458 (AVR Built-in Macros): New subsubsection therein.
2459 * doc/md.texi (AVR constraints): Remove "C04", "R".
2461 2012-01-20 Richard Guenther <rguenther@suse.de>
2463 PR tree-optimization/51903
2464 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2465 when removing stmts.
2467 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2470 * config/arm/arm.c (arm_load_pic_register): Use
2471 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2472 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2473 (arm_pic_static_addr): Likewise.
2474 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2475 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2476 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2477 (pic_load_addr_unified): New.
2479 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2482 * function.c (instantiate_virtual_regs_in_insn): Use
2483 delete_insn_and_edges when removing a wrong asm insn.
2485 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2487 PR rtl-optimization/40761
2488 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2489 Add new member loop_num.
2490 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2491 (ira_build): Remove the parameter.
2493 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2494 (ira.c): Do not build CFG loops for one region allocation. Remove
2495 argument from ira_build call.
2497 * ira-build.c (init_loop_tree_node): New function.
2498 (create_loop_tree_nodes): Use it. Separate the case when CFG
2499 loops are not built.
2500 (more_one_region_p): Check current_loops.
2501 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2503 (add_loop_to_tree): Process loop equal to NULL too.
2504 (form_loop_tree): Separate the case when CFG loops are not built.
2505 Use explicitly number for the root.
2506 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2508 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2509 instead of loop->num.
2510 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2511 (mark_all_loops_for_removal): Ditto.
2512 (remove_unnecessary_regions): Separate the case when CFG loops
2514 (ira_build): Remove the parameter. Use explicit number of regions
2515 when CFG loops are not built.
2517 * ira-color.c (print_loop_title): Separate the case for the root node.
2518 Use loop_num instead of loop->num.
2519 (move_spill_restore): Use loop_num instead of loop->num.
2521 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2522 (change_loop): Ditto.
2523 (change_loop): Use loop_num instead of loop->num.
2525 * ira-lives.c (process_bb_node_lives): Ditto.
2527 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2529 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2531 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2534 * tree-mudflap.c (mf_artificial): New function.
2535 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2536 mx_register_decls, mudflap_enqueue_decl): Use it.
2539 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2540 numbers in the insn pattern.
2542 2012-01-19 Michael Matz <matz@suse.de>
2544 PR tree-optimization/46590
2545 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2546 use it in remembering which conflicts we already created.
2547 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2550 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2553 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2554 (merge_and_complain): Same.
2556 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2559 * config/initfini-array.h: Guard content of the header
2560 with #ifdef HAVE_INITFINI_ARRAY.
2561 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2562 Add initfini-array.h to tm_file here.
2563 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2564 * config.gcc: Don't add initfini-array.h to tm_file here.
2565 * configure: Regenerated.
2567 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2569 PR rtl-optimization/51505
2570 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2571 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2572 (df_note_bb_compute): Update the call to df_kill_notes.
2574 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2576 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2578 2012-01-18 Richard Guenther <rguenther@suse.de>
2580 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2581 of conversions to void *.
2583 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2584 Richard Sandiford <rdsandiford@googlemail.com>
2588 * optabs.h (simplify_expand_binop): Declare.
2589 * optabs.c (simplify_expand_binop): Make global.
2590 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2591 endian targets if the source cannot be exactly covered by word
2594 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2597 * hard-reg-set.h (struct hard_reg_set_container): New type.
2598 * target.h (struct hard_reg_set_container): Forward declare.
2599 * target.def (set_up_by_prologue): New target hook.
2600 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2601 * doc/tm.texi: Regenerated.
2602 * function.c (thread_prologue_and_epilogue_insns): Change
2603 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2604 Call targetm.set_up_by_prologue on it.
2605 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2606 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2608 2012-01-17 Nick Clifton <nickc@redhat.com>
2610 * config/rx/rx.c (rx_can_use_simple_return): New function.
2611 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2612 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2614 2012-01-17 Richard Guenther <rguenther@suse.de>
2617 * expr.c (expand_assignment): Take address-space information
2618 from the address operand of MEM_REF and TARGET_MEM_REF.
2619 (expand_expr_real_1): Likewise.
2621 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2623 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2624 reload dump is requested.
2626 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2629 * trans-mem.c (requires_barrier): Call may_be_aliased.
2631 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2633 PR tree-optimization/51877
2634 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2635 call arguments and fndecls compare equal, instead return false if they
2636 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2637 both SSA_NAMEs that are valueized the same, or they satisfy
2640 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2642 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2644 * configure: Regenerate.
2646 2012-01-16 Jan Hubicka <jh@suse.cz>
2650 * convert.c (convert_to_integer): Use fold_convert for
2651 converting an INTEGER_CST to integer type.
2653 2012-01-16 Jason Merrill <jason@redhat.com>
2656 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2658 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2661 * config/s390/s390.c (s390_chunkify_start): Don't skip
2662 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2663 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2664 If insn is followed by NOTE_INSN_VAR_LOCATION or
2665 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2666 Don't use location of note insns.
2668 PR tree-optimization/51865
2669 * tree-inline.c (tree_function_versioning): Call remap_decl
2670 on DECL_RESULT whenever it has VOID_TYPE_P type.
2672 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2674 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2675 for calls to locally-binding MIPS16 functions if only the return
2676 type uses float regs.
2678 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2679 Richard Sandiford <rdsandiford@googlemail.com>
2681 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2682 (SYMBOL_32_HIGH): Likewise.
2683 (mips_output_tls_reloc_directive): Declare.
2684 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2685 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2686 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2687 (mips_lo_relocs, mips_hi_relocs): Make extern.
2688 (mips16_stub_function): Move up file.
2689 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2690 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2691 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2692 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2693 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2694 (mips_get_tp): Add MIPS16 support.
2695 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2696 Generalize DTPREL and TPREL handling.
2697 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2698 Add MIPS16 TLS support.
2699 (mips_output_tls_reloc_directive): New function.
2700 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2701 * config/mips/predicates.md (symbolic_operand_with_high)
2702 (tls_reloc_operand): New predicates.
2703 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2704 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2705 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2706 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2707 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2708 (*tls_get_tp_mips16_call_<mode>): Likewise.
2710 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2712 PR rtl-optimization/51821
2713 * recog.c (peep2_find_free_register): Determine clobbered registers
2716 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2719 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2720 * config/avr/avr.c: Likewise.
2721 * config/avr/avr.h: Likewise.
2723 2012-01-13 Ian Lance Taylor <iant@google.com>
2726 * tree.h (TYPE_QUALS): Add cast to int.
2727 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2729 2012-01-13 Ian Lance Taylor <iant@google.com>
2731 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2732 comparing param_index to VEC_length result.
2734 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2736 * c-decl.c: Do not include tree-mudflap.h
2737 * tree-optimize.c: Likewise.
2738 * Makefile.in: Update dependencies.
2740 2012-01-13 Richard Guenther <rguenther@suse.de>
2743 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2744 variable-sized result always use RSO.
2746 2012-01-12 DJ Delorie <dj@redhat.com>
2748 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2749 pointer type, not just the default pointer type.
2751 2012-01-09 Richard Henderson <rth@redhat.com>
2752 Denis Chertykov <chertykov@gmail.com>
2755 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2756 * config/avr/avr.c (avr_can_eliminate): Simplify.
2757 (avr_initial_elimination_offset): Likewise.
2758 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2759 (expand_epilogue): Likewise.
2760 (avr_legitimize_address): Gut.
2761 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2762 (avr_hard_regno_nregs): New.
2763 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2764 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2765 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2766 add soft frame pointer.
2767 (CALL_USED_REGISTERS): Likewise.
2768 (REG_CLASS_CONTENTS): Likewise.
2769 (REGISTER_NAMES): Likewise.
2770 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2771 (HARD_FRAME_POINTER_REGNUM): New.
2772 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2773 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2774 remove the HARD_FRAME_POINTER self-elimination.
2776 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2779 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2780 DECL_EXTERNAL when checking for initializers of progmem variables.
2782 2012-01-12 Ira Rosen <irar@il.ibm.com>
2784 PR tree-optimization/51799
2785 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2786 that the last operation is a type demotion.
2788 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2790 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2791 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2793 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2796 * combine.c (distribute_notes): If i3 is a noreturn call,
2797 allow old_size to be equal to args_size and make sure the
2798 noreturn call gets REG_ARGS_SIZE note.
2799 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2800 on noreturn calls even when the delta is 0.
2802 2012-01-11 Nathan Sidwell <nathan@acm.org>
2804 * gcov.c (STRING_SIZE): Remove.
2805 (generate_results): Erase annotations for source files with no
2806 coverage information.
2808 (output_lines): Use it.
2810 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2812 * gimple.h (gimplify_body): Remove first argument.
2813 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2814 pointer set here, instead just pass DATA to walk_tree.
2815 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2816 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2817 (unvisit_body): Likewise, but with unmark_visited.
2818 (gimplify_body): Remove BODY_P argument and adjust.
2819 (gimplify_function_tree): Adjust call to gimplify_body.
2820 * omp-low.c (finalize_task_copyfn): Likewise.
2822 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2824 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2825 (build_function_type_skip_args): Delete.
2826 * tree.c (build_function_type_skip_args): Make static and add
2827 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2828 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2829 pass it to build_function_type_skip_args.
2830 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2831 (tree_function_versioning): Likewise.
2832 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2833 build_function_decl_skip_args.
2834 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2835 and pass it to build_function_decl_skip_args/tree_function_versioning.
2836 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2837 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2838 * trans-mem.c (ipa_tm_create_version): Likewise.
2839 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2840 * tree-inline.c (declare_return_variable): Remove always-true test.
2841 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2842 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2843 * ipa-split.c (split_function): Skip the return value for the split
2844 part if it doesn't return.
2846 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2848 PR tree-optimization/49642
2849 * ipa-split.c (forbidden_dominators): New variable.
2850 (check_forbidden_calls): New function.
2851 (dominated_by_forbidden): Likewise.
2852 (consider_split): Check for forbidden dominators.
2853 (execute_split_functions): Initialize and free forbidden
2854 dominators info; call check_forbidden_calls.
2856 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2858 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2860 2012-01-11 Nick Clifton <nickc@redhat.com>
2862 * config/rx/rx.md (return): Define pattern.
2864 2012-01-11 Richard Guenther <rguenther@suse.de>
2866 * doc/extend.texi (malloc attribute): Adjust according to
2869 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2870 Patrick Marlier <patrick.marlier@gmail.com>
2873 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2874 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2875 (ipa_tm_note_irrevocable): Same.
2876 (ipa_tm_scan_irr_block): Same.
2877 (ipa_tm_decrement_clone_counts): Same.
2878 (ipa_tm_scan_irr_function): Same.
2879 (ipa_tm_create_version_alias): Same.
2880 (ipa_tm_create_version): Same.
2881 (ipa_tm_transform_calls_redirect): Same.
2882 (ipa_tm_transform_calls): Same.
2883 (ipa_tm_transform_transaction): Same.
2884 (ipa_tm_execute): Same.
2886 2012-01-10 Richard Guenther <rguenther@suse.de>
2889 * opts.c (common_handle_option): Handle -Werror.
2891 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2893 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2896 2012-01-10 Jason Merrill <jason@redhat.com>
2898 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2901 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2903 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2904 supports R_386_TLS_GD_PLT reloc.
2905 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2906 supports R_386_TLS_LDM_PLT reloc.
2907 * configure: Regenerate.
2908 * config.in: Regenerate.
2910 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2913 Extend __pgmx semantics to linearize memory.
2914 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2915 determine if code comes inline or from libgcc.
2916 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2917 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2918 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2919 (movmemx_qi, movmemx_hi): New insns.
2920 (xload_<mode>_libgcc): Rewrite to new insn condition.
2921 (xload_<mode>): Remove insns.
2922 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2923 cases that don't satisfy avr_xload_libgcc_p().
2924 (avr_addr_space_convert): Allow converting in any direction.
2925 (avr_addr_space_subset_p): Return always true.
2926 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2927 (avr_emit_movmemhi): Ditto.
2928 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2929 (avr_out_movmem): Ditto.
2930 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2931 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2932 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2933 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2934 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2936 2012-01-10 Richard Guenther <rguenther@suse.de>
2938 PR tree-optimization/50913
2939 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2940 Require data-refs to be representable by Graphite with respect
2943 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2945 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2946 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2948 2012-01-10 Tom de Vries <tom@codesourcery.com>
2950 PR rtl-optimization/51271
2951 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2952 handling annulled branch.
2954 2012-01-10 Richard Henderson <rth@redhat.com>
2956 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2957 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2958 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2959 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2960 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2961 arm_expand_vec_perm_const): New.
2962 * config/arm/arm-protos.h: Update.
2963 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2964 (*neon_vswp<VDQX>): New.
2965 (neon_vcombine<VDX>): Use neon_split_vcombine.
2966 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2967 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2968 (vec_perm<VE>): New.
2970 2012-01-10 Richard Henderson <rth@redhat.com>
2972 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2973 use it if reload_completed.
2974 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2975 arm_output_asm_insn, arm_process_output_memory_barrier,
2976 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2977 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2978 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2979 arm_process_output_sync_insn, arm_output_sync_insn,
2980 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2981 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2982 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2983 (emit_unlikely_jump): New.
2984 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2985 (arm_split_atomic_op): New.
2986 * config/arm/arm-protos.h: Update.
2987 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2988 (struct arm_sync_generator): Remove.
2989 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2990 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2991 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2992 (VUNSPEC_LL, VUNSPEC_SC): New.
2993 (sync_result, sync_memory, sync_required_value, sync_new_value,
2994 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2995 (attr length): Don't use arm_sync_loop_insns.
2996 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2997 (movsfcc, movdfcc): Likewise.
2998 * config/arm/constraints.md (Ua): New.
2999 * config/arm/prediates.md (mem_noofs_operand): New.
3000 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3001 (sync_clobber, sync_t2_reqd): Remove.
3002 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3003 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3004 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3005 (arm_sync_compare_and_swap<SIDI>): Remove.
3006 (arm_sync_compare_and_swap<NARROW>): Remove.
3007 (arm_sync_lock_test_and_set<SIDI>): Remove.
3008 (arm_sync_lock_test_and_set<NARROW>): Remove.
3009 (arm_sync_new_<syncop><SIDI>): Remove.
3010 (arm_sync_new_<syncop><NARROW>): Remove.
3011 (arm_sync_new_nand<SIDI>): Remove.
3012 (arm_sync_new_nand<NARROW>): Remove.
3013 (arm_sync_old_<syncop><SIDI>): Remove.
3014 (arm_sync_old_<syncop><NARROW>): Remove.
3015 (arm_sync_old_nand<SIDI>): Remove.
3016 (arm_sync_old_nand<NARROW>): Remove.
3017 (*memory_barrier): Merge arm_output_memory_barrier.
3018 (atomic_compare_and_swap<QHSD>): New.
3019 (atomic_compare_and_swap<NARROW>_1): New.
3020 (atomic_compare_and_swap<SIDI>_1): New.
3021 (atomic_exchange<QHSD>): New.
3022 (cas_cmp_operand, cas_cmp_str): New.
3023 (atomic_op_operand, atomic_op_str): New.
3024 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3025 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3026 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3027 (arm_load_exclusive<NARROW>): New.
3028 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3029 (arm_store_exclusive<QHSD>): New.
3031 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3033 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3034 reload patterns if -mvsx-scalar-memory.
3036 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3037 generated, even -mno-vsx-scalar-double was used.
3038 (vsx_xscvdpsp_scalar): Likewise.
3039 (vsx_xscvspdp_scalar2): Likewise.
3041 2012-01-09 Tom de Vries <tom@codesourcery.com>
3042 Andrew Pinski <apinski@cavium.com>
3045 * reorg.c (fill_slots_from_thread): Don't speculate
3046 frame-related insns.
3048 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3050 * sched-int.h (bb_note): Move to...
3051 * basic-block.h: ...here.
3052 * haifa-sched.c (bb_note): Move to...
3053 * cfgrtl.c: ...here.
3054 * function.c (next_block_for_reg): New function.
3055 (move_insn_for_shrink_wrap): Likewise.
3056 (prepare_shrink_wrap): Rewrite to use the above.
3058 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3060 * gimple.c (is_gimple_non_addressable): Remove.
3061 * gimple.h: Remove is_gimple_non_addressable.
3062 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3063 is_gimple_non_addressable.
3064 * trans-mem.c (expand_assign_tm): Same.
3066 2012-01-09 Richard Guenther <rguenther@suse.de>
3068 PR tree-optimization/51775
3069 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3070 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3072 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3074 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3076 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3078 2012-01-09 Richard Guenther <rguenther@suse.de>
3080 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3082 2012-01-08 Jan Hubicka <jh@suse.cz>
3084 PR tree-optimize/51680
3085 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3086 on when known_vals needs to be computed; cleanup.
3088 2012-01-08 Jan Hubicka <jh@suse.cz>
3090 PR tree-optimize/51694
3091 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3093 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3095 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3096 for -std=c++98 and -std=c++11 too.
3098 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3100 * cfgloop.c (cancel_loop): Add free() of bbs array.
3102 2012-01-07 Jan Hubicka <jh@suse.cz>
3104 PR tree-optimization/51600
3105 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3106 that benefits small functions.
3108 2012-01-07 Jan Hubicka <jh@suse.cz>
3110 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3112 2012-01-07 Jan Hubicka <jh@suse.cz>
3114 PR tree-optimization/51680
3115 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3116 whose inlining reduce unit size.
3118 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3121 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3122 Add canonical node to containing_mem chain after the non-canonical
3123 one, even if there weren't any locs to propagate.
3124 (remove_useless_values): Keep only canonical values.
3125 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3126 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3127 canonicalize mem_chain elements that are not discarded.
3129 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3132 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3133 before emitting functions.
3135 PR gcov-profile/50127
3136 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3137 clear_aux_for_blocks.
3139 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3142 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3144 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3146 * c-decl.c (ext_block): Moved up.
3147 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3149 2012-01-06 Han Shen <shenhan@google.com>
3151 Translate built-in include paths for sysroot.
3152 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3153 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3155 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3156 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3158 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3159 control whether sysroot should be prepended to gxx include dir.
3161 * configure: Regenerate.
3163 2012-01-06 Torvald Riegel <triegel@redhat.com>
3165 PR rtl-optimization/51771
3166 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3167 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3169 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3171 PR tree-optimization/51315
3172 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3173 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3175 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3178 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3179 for shrp pattern. Correctly handle and fixup shift variable.
3180 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3182 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3185 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3186 note when !ACCUMULATE_OUTGOING_ARGS.
3188 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3190 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3192 (extract_range_from_unary_expr_1): Avoid useless computations.
3194 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3196 PR rtl-optimization/51767
3197 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3198 of jump_block and add an extra edge for degenerated asm gotos.
3201 * stmt.c (check_unique_operand_names): Don't ICE during error
3202 reporting if i is from labels chain.
3205 * profile.c (branch_prob): Split bbs that have exit edge
3206 and need a fake entry edge too.
3208 2012-01-05 Jan Hubicka <jh@suse.cz>
3211 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3214 2012-01-05 Richard Guenther <rguenther@suse.de>
3217 * tree-streamer-out.c (write_ts_optimization): New function.
3218 (streamer_write_tree_body): Call it.
3219 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3220 (streamer_read_tree_body): Call it.
3221 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3223 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3226 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3227 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3228 in_cleanup_point_expr before gimplify_stmt call and restore it
3230 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3231 in_cleanup_point_expr is false.
3233 2012-01-05 Richard Guenther <rguenther@suse.de>
3236 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3238 * toplev.c (process_options): Reject combining mudflap and LTO.
3239 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3241 2012-01-05 Richard Guenther <rguenther@suse.de>
3243 PR tree-optimization/51760
3244 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3246 (bit_value_unop): Handle UNDEFINED operands.
3247 (bit_value_binop): Likewise.
3249 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3251 * config/avr/avr.c (avr_replace_prefix): Remove.
3252 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3253 (avr_asm_function_rodata_section): Ditto.
3254 (avr_asm_select_section): Ditto.
3256 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3258 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3261 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3264 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3265 calls that have any non-fake successor edges.
3268 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3270 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3272 PR tree-optimization/51624
3273 * tree-sra.c (build_ref_for_model): When replicating a chain of
3274 COMPONENT_REFs, stop as soon as the offset would become negative.
3276 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3279 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3280 in .debug_loc on the floor.
3282 2012-01-04 Andrew Pinski <apinski@cavium.com>
3284 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3286 2012-01-04 Andrew Pinski <apinski@cavium.com>
3287 Adam Nemet <anemet@caviumnetworks.com>
3289 * config/mips/mips.md (size): Add SI and DI.
3290 (SIZE): New mode attribute.
3291 (U): New code attribute.
3292 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3293 (mips_lbux_<mode>): Delete.
3294 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3295 (mips_lhx): Use gen_mips_lhx_extsi.
3296 (mips_lhx_<mode>): Delete.
3298 (mips_l<size>x): New expand.
3299 (mips_lwx_<mode>): Delete.
3300 (mips_l<GPR:size>x_<P:mode>): New pattern.
3301 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3302 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3303 * config/mips/mips.c (mips_lx_address_p): New function.
3304 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3305 (dsp64): New availability predicate.
3306 (mips_builtins): Add an entry for __builtin_mips_ldx.
3307 * config/mips/mips.h (ISA_HAS_LBX): New define.
3308 (ISA_HAS_LBUX): Likewise.
3309 (ISA_HAS_LHX): Likewise.
3310 (ISA_HAS_LHUX): Likewise.
3311 (ISA_HAS_LWX): Likewise.
3312 (ISA_HAS_LWUX): Likewise.
3313 (ISA_HAS_LDX): Likewise.
3314 * doc/extend.texi (__builtin_mips_ldx): Document.
3316 2012-01-04 Tristan Gingold <gingold@adacore.com>
3318 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3319 when long pointers are used.
3320 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3321 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3322 (ia64-hp-*vms*): Remove.
3323 * config/vms/xm-vms64.h: Delete.
3325 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3328 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3330 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3332 * opts.c (finish_options): Remove duplicate sorry.
3334 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3337 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3340 2012-01-04 Richard Guenther <rguenther@suse.de>
3343 * tree.c (size_low_cst): New function.
3344 * tree.h (size_low_cst): Declare.
3345 * fold-const.c (fold_comparison): Use it to extract the low
3346 part of the POINTER_PLUS_EXPR offset.
3348 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3350 Fix clearing ZERO_REG
3351 * config/avr/avr.md (cc): Add alternative "ldi".
3352 (movqi_insn): Use it in cc attribute.
3353 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3354 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3355 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3357 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3359 * configure: Regenerate.
3361 2012-01-04 Richard Guenther <rguenther@suse.de>
3363 PR tree-optimization/49651
3364 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3365 (var_can_have_subvars): Use it.
3366 (get_constraint_for_1): Only consider subfields if there can be any.
3368 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3371 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3372 to its new canonical_cselib_val and the cselib_val was in
3373 first_containing_mem chain, but the canonical_cselib_val was not,
3374 add the latter into the chain.
3375 (cselib_invalidate_mem): Compare canonical_cselib_val of
3376 addr_list chain elt with v.
3379 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3380 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3382 (output_macinfo_op): Don't ggc_strdup fd->filename.
3383 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3384 then ggc_strdup it. Don't free inc->info or cur->info.
3385 (output_macinfo): Don't free ref->info or file->info.
3387 2012-01-03 Ira Rosen <irar@il.ibm.com>
3389 PR tree-optimization/51269
3390 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3391 first_niters a pointer.
3392 (slpeel_tree_peel_loop_to_edge): Likewise.
3393 (vect_do_peeling_for_loop_bound): Update call to
3394 slpeel_tree_peel_loop_to_edge.
3395 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3396 here. Remove it from the parameters list.
3397 (vect_do_peeling_for_alignment): Update calls and compute
3400 2012-01-03 Richard Guenther <rguenther@suse.de>
3402 PR tree-optimization/51070
3403 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3404 Properly handle calls.
3406 2012-01-03 Richard Guenther <rguenther@suse.de>
3408 PR tree-optimization/51692
3409 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3410 the LHS of allocation stmts.
3412 2012-01-03 Olivier Hainque <hainque@adacore.com>
3414 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3416 2012-01-03 Olivier Hainque <hainque@adacore.com>
3418 * collect2.c (main): In AIX specific computations for vector
3419 insertions, use CONST_CAST2 to cast from char ** to const char **.
3421 2012-01-03 Richard Guenther <rguenther@suse.de>
3424 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3425 the context of a limbo DIE when it does not already exist.
3427 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3429 PR tree-optimization/51719
3430 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3431 but direct call is, clear direct call's lhs and don't add fallthrough
3432 edge from dcall_bb to join_bb and PHIs.
3434 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3436 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3437 the instructions emitted by the pattern.
3438 ("*TDC_insn_<mode>"): Add comment.
3440 2012-01-03 Richard Guenther <rguenther@suse.de>
3443 * fold-const.c (fold_comparison): Properly canonicalize
3444 tree offset and HOST_WIDE_INT bit position.
3446 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3448 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3449 operands for extzv pattern.
3451 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3454 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3457 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3459 * doc/invoke.texi (-flto and related options): Copy-edit.
3461 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3463 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3465 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3467 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3470 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3472 * expr.h (move_by_pieces_ninsns): Declare.
3473 * expr.c (move_by_pieces_ninsns): Make external.
3474 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3475 (mips_store_by_pieces_p): Likewise.
3476 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3477 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3478 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3479 (mips_store_by_pieces_p): Likewise.
3481 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3483 * passes.c (register_one_dump_file): Free full_name.
3485 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3486 (calculate_elim_costs_all_insns): Free offsets_at and
3487 offsets_known_at at the end and clear the pointers.
3489 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3491 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3492 this option introduced in r180739.
3494 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3497 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3498 (tmake_file target=avr): Add avr/t-multilib.
3500 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3501 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3502 * config/avr/genmultilib.awk: New file.
3503 * config/avr/t-multilib: New auto-generated file.
3504 * config/avr/multilib.h: New auto-generated file.
3505 * config/avr/t-avr (AVR_MCUS): New variable.
3506 (genopt.sh): Use it.
3507 (s-mlib): Depend on t-multilib.
3508 (t-multilib, multilib.h): New dependencies.
3509 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3510 (MULTILIB_OPTIONS): Remove.
3511 (MULTILIB_MATCHES): Remove.
3512 (MULTILIB_DIRNAMES): Remove.
3513 (MULTILIB_EXCEPTIONS): Remove:
3514 * config/avr/genopt.sh: Don't use hard coded file name;
3515 pass AVR_MCUS from t-avr instead.
3517 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3519 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3521 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3523 Implement light-weight DImode support.
3524 * config/avr/avr-dimode.md: New file.
3525 * config/avr/avr.md: Include it.
3526 (adjust_len): Add plus64, compare64.
3527 (HIDI): Remove code iterator.
3528 (code_stdname): New code attribute.
3529 (rotx, rotsmode): Remove DI.
3530 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3532 * config/avr/avr-protos.h (avr_have_dimode): New.
3533 (avr_out_plus64, avr_out_compare64): New.
3534 * config/avr/avr.c (avr_out_compare): Handle DImode.
3535 (avr_have_dimode): New variable definition and initialization.
3536 (avr_out_compare64, avr_out_plus64): New functions.
3537 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3538 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3539 (avr_compare_pattern): Skip DImode comparisons.
3541 2012-01-02 Revital Eres <revital.eres@linaro.org>
3543 * ddg.c (def_has_ccmode_p): New function.
3544 (add_cross_iteration_register_deps,
3545 create_ddg_dep_from_intra_loop_link): Call it.
3547 2012-01-02 Richard Guenther <rguenther@suse.de>
3550 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3552 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3554 * gcc.c (process_command): Update copyright notice dates.
3555 * gcov.c (print_version): Likewise.
3556 * gcov-dump.c (print_version): Likewise.
3557 * mips-tfile.c (main): Likewise.
3558 * mips-tdump.c (main): Likewise.
3560 2012-01-01 Ira Rosen <irar@il.ibm.com>
3562 PR tree-optimization/51704
3563 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3564 a use is inside the basic block or loop before accessing its vect info.
3566 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3568 PR rtl-optimization/51069
3569 * cfgloopmanip.c (remove_path): Removing path making irreducible
3570 region unconditional makes BB part of the region.
3572 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3574 PR tree-optimization/51683
3575 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3576 calls with side-effects.
3577 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3579 Copyright (C) 2012 Free Software Foundation, Inc.
3581 Copying and distribution of this file, with or without modification,
3582 are permitted in any medium without royalty provided the copyright
3583 notice and this notice are preserved.