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