1 2012-08-02 Steve Ellcey <sellcey@mips.com>
4 2012-07-19 Steve Ellcey <sellcey@mips.com>
6 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
9 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
11 Backport from mainline
12 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
15 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
16 negative constant address for TARGET_X32 ...
17 (ix86_decompose_address): ... here. Reject constant addresses
18 that don't satisfy x86_64_immediate_operand predicate.
20 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
23 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
24 * config/i386/i386.c (ix86_print_operand_address): Ditto.
25 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
26 addresses. Prevent zero extensions of CONST_INT operands.
28 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
31 * config/i386/i386.md (*lea): New insn pattern.
33 (*lea<mode>_2): Ditto.
34 (*lea_{3,4,5,6}_zext): Ditto.
35 * config/i386/predicates.md (lea_address_operand): Do not reject
36 zero-extended address operands.
37 * config/i386/constraints.md (j): Remove address constraint.
38 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
40 (ix86_print_operand_address): Handle SImode subreg of an address.
41 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
43 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
45 Backport from mainline
46 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
49 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
50 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
52 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
53 (*movdi_internal_rex64): Use %E operand modifier for lea.
54 (*movsi_internal): Ditto.
56 (*lea<mode>_2): Ditto.
57 (*lea_{3,4,5,6}_zext): Ditto.
58 (*tls_global_dynamic_32_gnu): Ditto.
59 (*tls_global_dynamic_64): Ditto.
60 (*tls_dynamic_gnu2_lea_32): Ditto.
61 (*tls_dynamic_gnu2_lea_64): Ditto.
62 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
64 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
66 Backport from mainline
67 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
69 * config/i386/i386.c (ix86_address_subreg_operand): Reject
71 (ix86_print_operand_address): Assert that parts.base and parts.index
72 are non-NULL after call to simplify_subreg.
74 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
77 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
79 * config/sh/sh.c (sh_option_override): Do not change
80 flag_finite_math_only. Set TARGET_IEEE to complement of
81 flag_finite_math_only.
82 * doc/invoke.texi (SH options): Add mno-ieee. Correct
83 description of mieee and mno-ieee behavior.
85 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
88 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
91 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
93 Backport from mainline
94 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
96 PR rtl-optimization/52250
97 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
98 to put note list into. Unconditionally call move_bb_info.
99 (move_bb_info): Do not assert the blocks being in the same region,
100 just drop the note list if they are not.
102 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
104 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
106 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
108 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
109 defining statement is a SSA name that occurs in abnormal PHIs.
111 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
113 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
116 2012-07-19 Richard Guenther <rguenther@suse.de>
117 Eric Botcazou <ebotcazou@adacore.com>
119 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
120 about transition from invariant to known bits.
121 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
123 2012-07-19 Jakub Jelinek <jakub@redhat.com>
126 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
127 (cleanup_tree_cfg_bb): Don't call it.
128 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
131 2012-07-19 Christian Bruel <christian.bruel@st.com>
134 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
136 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
138 * config.gcc (v850-*-rtems*): New target.
139 * config/v850/rtems.h: New.
140 * config/v850/t-rtems: New.
142 2012-07-18 Nick Clifton <nickc@redhat.com>
144 * doc/invoke.texi (ARM Options): Document -munaligned-access.
146 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
150 Backport from mainline
151 2012-04-25 Jakub Jelinek <jakub@redhat.com>
154 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
155 instead expand it as zero extension.
157 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
159 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
160 QImode and HImode splitters. Use ix86_comparison_operator.
161 Explicitly match FLAGS_REG.
162 (DFmode cmove splitter): Explicitly match FLAGS_REG.
164 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
165 Steven Bosscher <steven@gcc.gnu.org>
166 Bernd Schmidt <bernds@codesourcery.com>
168 PR rtl-optimization/53908
169 * df-problems.c (can_move_insns_across): When doing
170 memory-reference book-keeping, handle call insns.
172 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
174 Backport from mainline
175 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
178 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
179 sibcall_insn_operand. Move it to a temporary register if not.
181 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
184 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
185 emit PIC sequence for fnaddr symbol reference in advance.
187 2012-07-09 Jason Merrill <jason@redhat.com>
190 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
191 (type_hash_eq): Likewise.
194 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
196 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
198 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
199 due to negative shift amount.
201 2012-07-06 Kai Tietz <ktietz@redhat.com>
203 Backport from mainline.
205 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
208 2012-07-06 Nick Clifton <nickc@redhat.com>
210 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
211 default_encode_section_info.
213 2012-07-06 Richard Guenther <rguenther@suse.de>
215 Backport from mainline
216 2012-03-30 Richard Guenther <rguenther@suse.de>
219 * double-int.c (rshift_double): Remove not needed cast.
221 2012-03-28 Richard Guenther <rguenther@suse.de>
224 * double-int.h (rshift_double): Remove.
225 * double-int.c (lshift_double): Use absu_hwi to make count
227 (rshift_double): Make static, take unsigned count argument,
228 remove handling of negative count argument.
229 (double_int_rshift): Dispatch to lshift_double.
231 2012-07-06 Richard Guenther <rguenther@suse.de>
233 Backport from mainline
234 2012-06-18 Richard Guenther <rguenther@suse.de>
236 PR tree-optimization/53693
237 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
238 Reject operands with more than one use.
240 2012-07-06 Richard Guenther <rguenther@suse.de>
242 Backport from mainline
243 2012-04-11 Richard Guenther <rguenther@suse.de>
246 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
247 consider loop nesting.
248 (evolution_function_is_univariate_p): Properly check the remainder
251 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
253 Backport from mainline
254 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
256 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
257 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
258 (adjacent_mem_locations): Move some code to and call...
259 (get_memref_parts): ...new function.
260 (mem_locations_overlap): New function.
261 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
262 (is_mem_ref): Rename to...
263 (find_mem_ref): ...this. Return MEM rtx.
264 (get_store_dest): Remove function.
265 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
266 new parameter and adjust calls.
267 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
268 mem refs overlap for true_store_to_load_dep_costly.
269 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
270 passed to adjacent_mem_locations.
271 (is_costly_group): Walk resolved dependency list.
272 (force_new_group): Emit group ending nop for Power6/Power7.
273 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
274 (group_ending_nop): New define_insn.
276 2012-07-04 Richard Guenther <rguenther@suse.de>
279 * gimple-fold.c (get_base_constructor): Do not return an
280 error_mark_node DECL_INITIAL.
282 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
284 Backport from mainline
285 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
287 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
288 code model string in the error message.
290 2012-07-04 Tristan Gingold <gingold@adacore.com>
292 Backport from mainline.
293 2012-06-25 Tristan Gingold <gingold@adacore.com>
295 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
296 (seh_cfa_adjust_cfa): ... that function.
297 (seh_emit_stackalloc): Do not emit out of range values.
298 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
299 UNSPEC_DEF_CFA constants.
300 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
301 * config/i386/i386.c (ix86_frame_pointer_required): Required
302 for very large frames on SEH target.
303 (ix86_compute_frame_layout): Save area is before frame pointer
304 on SEH target. Handle very large frames.
305 (ix86_expand_prologue): Likewise.
307 2012-07-04 Richard Guenther <rguenther@suse.de>
309 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
310 as in free_lang_data_in_type.
312 2012-07-02 Martin Jambor <mjambor@suse.cz>
314 Backport from mainline.
315 2012-07-02 Martin Jambor <mjambor@suse.cz>
318 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
319 dynamic type change check.
321 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
323 * tree-eh.c (lower_try_finally_switch): Really put the location of the
324 last statement of the finally block onto the switch.
326 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
328 * configure: Regenerate.
330 Backport from mainline.
331 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
333 * config.gcc (target_type_format_char): New. Document it. Set it for
335 * configure.ac (gnu_unique_option): Use target_type_format_char
336 in test. Comment rationale.
338 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
340 Backport from mainline.
341 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
343 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
345 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
347 Backport from 2012-06-28 mainline r189049
350 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
351 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
352 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
353 avr_hard_regno_call_part_clobbered.
355 2012-06-28 Richard Guenther <rguenther@suse.de>
358 * expr.c (expand_expr_real_1): Verify if the type is complete
359 before inspecting its size.
361 2012-06-27 Nick Clifton <nickc@redhat.com>
363 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
366 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
369 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
371 2012-06-26 Nick Clifton <nickc@redhat.com>
373 * config/rx/rx.md (simple_return): Use the simple_return rtx.
375 2012-06-25 Jakub Jelinek <jakub@redhat.com>
378 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
379 of x x x in the vmovlps load alternative.
381 2012-06-22 Richard Guenther <rguenther@suse.de>
383 * gcov-iov.c: Include bconfig.h and system.h.
385 2012-06-22 Richard Guenther <rguenther@suse.de>
387 PR gcov-profile/53744
388 * gcov-iov.c (main): Treat "" and "prerelease" the same.
390 2012-06-19 Joey Ye <joey.ye@arm.com>
392 Backported from mainline
393 2011-10-14 David Alan Gilbert <david.gilbert@linaro.org>
395 * config/arm/arm.h (TARGET_HAVE_DMB_MCR): MCR Not available in Thumb1.
397 2012-06-18 Joey Ye <joey.ye@arm.com>
399 Backported from mainline
400 2011-10-14 David Alan Gilbert <david.gilbert@linaro.org>
403 * config/arm/arm.c (arm_output_sync_loop): Move label before barrier.
405 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
407 Backport from mainline:
408 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
410 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
412 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
414 Backport from mainline:
415 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
417 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
418 * config/pa/pa.c (pa_attr_length_millicode_call): Use
419 MAX_PCREL17F_OFFSET instead of fixed offset.
420 (pa_attr_length_call): Likewise.
421 (pa_attr_length_indirect_call): Likewise.
423 2012-06-12 Christian Bruel <christian.bruel@st.com>
426 * config/sh/sh.c (sh_option_override): Don't force
427 flag_omit_frame_pointer and maccumulate_outgoing_args.
428 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
430 2012-06-05 Peter Bergner <bergner@vnet.ibm.com>
432 Backport from mainline
433 2011-08-29 Jakub Jelinek <jakub@redhat.com>
435 * gthr-posix.h (__gthread_active_p): Do not use preprocessor
436 conditionals and comments inside macro arguments.
438 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
441 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
443 (altivec_stvlxl): Ditto.
444 (altivec_stvrx): Ditto.
445 (altivec_stvrxl): Ditto.
447 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
449 Backport from 2012-06-04 mainline r188172
452 * config/avr/avr-stdint.h: New file.
453 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
456 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
459 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
460 (pa_section_type_flags): New.
461 * config/pa/pa.h (LEGITIMATE_CONSTANT_P): Revert previous change.
463 2012-05-31 Richard Guenther <rguenther@suse.de>
466 * tree-pretty-print.c (dump_generic_node): Guard against
467 NULL_TREE TREE_TYPE when dumping MEM_REF offset type.
469 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
471 Backport from mainline
472 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
475 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
476 relied on signed overflow behavior.
478 2012-05-22 Richard Guenther <rguenther@suse.de>
480 Backport from mainline
481 2011-11-10 Richard Guenther <rguenther@suse.de>
484 * gimple.c (gimple_has_side_effects): Remove checking code
485 that doesn't belong here.
487 2012-05-22 Richard Guenther <rguenther@suse.de>
489 Backport from mainline
490 2012-02-28 Richard Guenther <rguenther@suse.de>
493 * config/i386/i386.c (ix86_expand_vector_set): Fix element
494 ordering for the VEC_CONCAT for two element vectors for
495 V2SFmode, V2SImode and V2DImode.
497 2012-05-22 Richard Guenther <rguenther@suse.de>
499 Backport from mainline
500 2012-04-12 Richard Guenther <rguenther@suse.de>
503 * convert.c (convert_to_pointer): Remove special-casing of zero.
505 2012-05-21 Joseph Myers <joseph@codesourcery.com>
508 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
509 from folded operands before wrapping another around the
510 conditional expression.
512 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
514 Backport from mainline
515 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
518 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
519 (UNSPECV_RDRAND): This.
520 (rdrand<mode>_1): Updated.
522 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
524 Backport from mainline
525 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
527 * config/i386/driver-i386.c (host_detect_local_cpu): Support
528 RDRND, F16C and FSGSBASE.
530 2012-05-16 Eric Botcazou <ebotcazou@adacore.com>
532 * configure: Regenerate.
534 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
537 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
538 generate target register for "load" class builtins.
541 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
544 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
545 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
546 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
547 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
548 (<sse>_movu<ssemodesuffix>): New expander.
549 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
550 (avx_movdqu<avxmodesuffix>): New expander.
551 (*sse2_movdqu): Rename from sse2_movdqu.
552 (sse2_movdqu): New expander.
554 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
556 Backport from mainline
557 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
559 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
560 ORDERED and UNORDERED conditions.
562 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
565 * config/pa/pa.h (LEGITIMATE_CONSTANT_P): Don't put function labels
568 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
570 Backport from mainline
571 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
574 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
575 (TARGET_CMOV): Rename from TARGET_CMOVE.
576 (TARGET_CMOVE): New define.
577 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
578 Do not set TARGET_CMOVE here.
580 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
582 Backport from the mainline
583 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
586 * config/rs6000/rs6000.md (bswapdi splitters): If
587 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
588 default) is used, generate an alternate sequence that does not
589 depend on using indexed addressing.
591 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
593 Backport from mainline
594 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
597 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
599 2012-04-24 Jakub Jelinek <jakub@redhat.com>
602 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
603 (output_addressed_constants): Likewise.
605 2012-04-20 Thomas Schwinge <thomas@codesourcery.com>
607 struct siginfo vs. siginfo_t
609 Backport from trunk (but apply to gcc/):
611 2012-04-20 Thomas Schwinge <thomas@codesourcery.com>
613 * config/alpha/linux-unwind.h (alpha_fallback_frame_state): Use
614 siginfo_t instead of struct siginfo.
615 * config/bfin/linux-unwind.h (bfin_fallback_frame_state): Likewise.
616 * config/i386/linux-unwind.h (x86_fallback_frame_state): Likewise.
617 * config/ia64/linux-unwind.h (ia64_fallback_frame_state)
618 (ia64_handle_unwabi): Likewise.
619 * config/mips/linux-unwind.h (mips_fallback_frame_state): Likewise.
620 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Likewise.
621 * config/sh/linux-unwind.h (shmedia_fallback_frame_state)
622 (sh_fallback_frame_state): Likewise.
623 * config/xtensa/linux-unwind.h (xtensa_fallback_frame_state): Likewise.
625 2012-04-13 Michael Meissner <meissner@linux.vnet.ibm.com>
627 Backport from mainline
628 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
631 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
632 the list of options to enable the FCFID instruction.
634 2012-04-12 Richard Earnshaw <rearnsha@arm.com>
637 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
638 detecting big-endian triplets.
640 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
643 * varasm.c (process_pending_assemble_externals): Set
644 pending_assemble_externals_processed true.
645 (assemble_external): Call assemble_external_real if the pending
646 assemble externals have been processed.
648 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
651 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
652 the DECL generated for the special GOT helper.
654 2012-04-06 Matt Turner <mattst88@gmail.com>
656 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
658 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
660 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
661 crossing 128bit lane boundary.
663 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
665 Backported from mainline
666 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
669 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
671 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
672 * config/i386/i386.c: Include reload.h.
673 (ix86_legitimize_reload_address): New function.
675 2012-03-28 Joey Ye <joey.ye@arm.com>
677 Backported from mainline
678 2011-12-20 Bernd Schmidt <bernds@codesourcery.com>
681 * expr.c (store_field): Avoid a direct store if the mode is larger
682 than the size of the bit field.
683 * stor-layout.c (layout_decl): If flag_strict_volatile_bitfields,
684 treat non-volatile bit fields like volatile ones.
685 * toplev.c (process_options): Disallow combination of
686 -fstrict-volatile-bitfields and ABI versions less than 2.
687 * config/arm/arm.c (arm_option_override): Don't enable
688 flag_strict_volatile_bitfields if the ABI version is less than 2.
689 * config/h8300/h8300.c (h8300_option_override): Likewise.
690 * config/rx/rx.c (rx_option_override): Likewise.
691 * config/m32c/m32c.c (m32c_option_override): Likewise.
692 * config/sh/sh.c (sh_option_override): Likewise.
694 2011-12-22 Joey Ye <joey.ye@arm.com>
696 * toplev.c (process_options): Fix typo.
698 2012-03-28 Martin Jambor <mjambor@suse.cz>
700 Backported from mainline
701 2012-03-27 Martin Jambor <mjambor@suse.cz>
704 * tree-sra.c (sra_modify_assign): Do not call
705 load_assign_lhs_subreplacements when working with an unscalarizable
708 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
712 Revert r181936 from 2011-12-02 for:
713 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__)
714 * config/avr/avr.md (movhi_sp_r_irq_off, movhi_sp_r_irq_on)
715 * config/avr/avr.c (output_movhi, avr_file_start)
717 2012-03-28 Jakub Jelinek <jakub@redhat.com>
720 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
721 instead of 8 in adjust_address.
723 2012-03-24 Jan Hubicka <jh@suse.cz>
725 Backport from mainline
727 * predict.c (predict_paths_for_bb): Fix typo.
729 2012-03-24 Jan Hubicka <jh@suse.cz>
731 Backport from mainline
733 * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
735 * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
736 * ipa-inline-transform.c (save_inline_function_body): Remove copied
738 * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
740 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
743 * varasm.c: Include pointer-set.h.
744 (pending_assemble_externals_set): New pointer set.
745 (process_pending_assemble_externals): Destroy the pointer set.
746 (assemble_external): See if decl is in pending_assemble_externals_set,
747 and add it to pending_assemble_externals if necessary.
748 (init_varasm_once): Allocate pending_assemble_externals_set.
750 2012-03-16 Jan Hubicka <jh@suse.cz>
752 Backport from mainline
754 * predict.c (predict_paths_for_bb): Prevent looping.
755 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
757 2012-03-16 Michael Hope <michael.hope@linaro.org>
759 Backport from mainline
760 2011-05-05 Michael Hope <michael.hope@linaro.org>
763 * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for
766 2012-03-15 Chung-Lin Tang <cltang@codesourcery.com>
768 Backport from mainline
769 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
771 PR rtl-optimization/52528
772 * combine.c (can_combine_p): Add setting of subst_low_luid
773 before call to expand_field_assignment().
775 2012-03-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
777 Backport from mainline
778 2011-09-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
780 PR Bug middle-end/50232
781 * config/pa/pa.md (return): Define "return" insn pattern.
782 (epilogue): Use it when no epilogue is needed.
783 * config/pa/pa.c (pa_can_use_return_insn): New function.
784 * config/pa/pa-protos.h (pa_can_use_return_insn): Declare.
786 Backport for mainline
787 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
790 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
793 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
795 Backport from mainline
797 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
798 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
799 (vector_ltgt<mode>): Likewise.
800 (vector_ordered<mode>): Likewise.
801 (vector_unordered<mode>): Likewise.
802 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
804 2012-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
806 Backport from mainline
807 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
810 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
811 unsigned HOST_WIDE_INT.
812 (zvdep_imm64): Likewise.
813 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
814 (vdepi_and): Likewise.
815 Likewise for unamed 64-bit patterns.
816 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
818 2012-03-03 Eric Botcazou <ebotcazou@adacore.com>
821 Backport from mainline
822 2011-05-22 Eric Botcazou <ebotcazou@adacore.com>
824 * config/sparc/sparc.c (sparc_delegitimize_address): Handle
825 UNSPEC_MOVE_PIC pattern.
827 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
829 Backport from mainline
830 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
832 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
834 2012-03-02 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
835 Ira Rosen <irar@il.ibm.com>
837 PR tree-optimization/50031
838 PR tree-optimization/50969
839 * targhooks.c (default_builtin_vectorization_cost): Handle
841 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
842 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
843 all types of reduction and pattern statements.
844 (vect_estimate_min_profitable_iters): Likewise.
845 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
846 (vect_model_store_cost): Use vec_perm rather than vector_stmt for
848 (vect_model_load_cost): Likewise.
849 (vect_get_load_cost): Likewise; add dump logic for explicit realigns.
850 (vectorizable_type_demotion): Call vect_model_promotion_demotion_cost.
851 (vectorizable_type_promotion): Likewise.
852 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
854 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
855 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
856 vec_perm for VSX and handle vec_promote_demote.
858 2012-03-01 Jakub Jelinek <jakub@redhat.com>
860 * BASE-VER: Set to 4.6.4.
861 * DEV-PHASE: Set to prerelease.
863 2012-03-01 Release Manager
865 * GCC 4.6.3 released.
867 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
870 2012-02-02 Uros Bizjak <ubizjak@gmail.com>
872 Backport from mainline:
873 2011-11-18 Uros Bizjak <ubizjak@gmail.com>
875 PR tree-optimization/51118
876 * fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
877 before using TREE_TYPE accessor on expr.
879 2012-02-23 Jakub Jelinek <jakub@redhat.com>
881 Backported from trunk
882 2012-02-20 Jakub Jelinek <jakub@redhat.com>
884 PR tree-optimization/52286
885 * fold-const.c (fold_binary_loc): For (X & C1) | C2
886 optimization use double_int_to_tree instead of build_int_cst_wide,
887 rewrite to use double_int vars.
889 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
892 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
894 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
897 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
898 is not offsettable memory reference.
900 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
903 * thumb2.md (thumb2_shiftsi3_short): Split register and
904 immediate shifts. For register shifts tie operands 0 and 1.
905 (peephole2 for above): Check that register-controlled shifts
906 have suitably tied operands.
908 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
910 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
911 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
913 2012-02-20 Kai Tietz <ktietz@redhat.com>
916 * stor-layout.c (place_field): Handle desired_align for
919 2012-02-20 Kai Tietz <ktietz@redhat.com>
922 * gthr.h (GTHREAD_USE_WEAK): Define as zero for mingw.
924 2012-02-16 Jakub Jelinek <jakub@redhat.com>
927 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
928 children with clone_tree_hash, not after it.
930 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
932 Backport from mainline
933 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
936 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
937 force_reg instead of copy_to_reg for better optimization. Force
938 non-register or memory operands into a register.
940 2012-02-15 Richard Guenther <rguenther@suse.de>
942 Backport from mainline
943 2012-02-08 Richard Guenther <rguenther@suse.de>
945 PR tree-optimization/46886
946 * tree-flow.h (do_while_loop_p): Declare.
947 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
948 * tree-parloops.c (parallelize_loops): Only parallelize do-while
951 2012-02-15 Eric Botcazou <ebotcazou@adacore.com>
955 * config/sparc/sol2-unwind.h (sparc64_is_sighandler): Add support for
956 Solaris 11 and slightly reformat.
957 (sparc_is_sighandler): Likewise.
959 2012-02-14 Jakub Jelinek <jakub@redhat.com>
961 Backported from mainline
962 2012-02-14 Jakub Jelinek <jakub@redhat.com>
965 * dwarf2out.c (clone_tree_hash): New function.
966 (copy_decls_walk): Use it instead of clone_tree.
969 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
972 2012-02-13 Jakub Jelinek <jakub@redhat.com>
974 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
978 * omp-low.c (expand_omp_for): If a static schedule without
979 chunk size has NULL region->cont, force fd.chunk_size to be
983 Backported from mainline
984 2011-11-08 Michael Matz <matz@suse.de>
986 * gengtype.c (write_field_root): Avoid out-of-scope access of newv.
988 2012-02-14 Bin Cheng <bin.cheng@arm.com>
990 Backport from mainline.
991 2011-06-08 Julian Brown <julian@codesourcery.com>
993 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
994 for double-precision helper functions in hard-float mode if only
995 single-precision arithmetic is supported in hardware.
997 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
999 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1000 having the same mode as previous compare.
1002 2012-02-09 Jack Howarth <howarth@bromo.med.uc.edu>
1004 Backported from mainline
1005 2011-06-27 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/49536
1008 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
1009 For non-scalar inner types use a scalar type according to
1010 the scalar inner mode.
1012 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1014 Backported from mainline
1015 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1017 PR rtl-optimization/52139
1018 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1019 is a BARRIER after emit_insn_after_noloc, move BB_END
1020 to the last non-BARRIER insn before it.
1022 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1024 PR rtl-optimization/52060
1025 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1026 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1027 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1028 and/or i0src_copy2 when needed.
1031 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1032 if modifier < EXPAND_SUM call force_operand on the result.
1034 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1037 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1038 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1040 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1043 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1045 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1048 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1049 arm_general_register_operand predicate for operand 2 instead of
1052 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1055 * tree-mudflap.c (mf_artificial): New function.
1056 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1057 mx_register_decls, mudflap_enqueue_decl): Use it.
1059 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1061 PR rtl-optimization/51767
1062 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1063 of jump_block and add an extra edge for degenerated asm gotos.
1066 * stmt.c (check_unique_operand_names): Don't ICE during error
1067 reporting if i is from labels chain.
1070 * profile.c (branch_prob): Split bbs that have exit edge
1071 and need a fake entry edge too.
1073 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1076 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1077 in .debug_loc on the floor.
1079 2011-12-15 Jakub Jelinek <jakub@redhat.com>
1082 * c-parser.c (c_parser_omp_clause_num_threads,
1083 c_parser_omp_clause_schedule): Call mark_exp_read.
1086 * tree-ssa-coalesce.c (coalesce_ssa_name): For !optimize, test
1087 !DECL_IGNORED_P instead of !DECL_ARTIFICIAL.
1089 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1091 Backport from mainline
1092 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1095 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1097 2012-02-09 Andrey Belevantsev <abel@ispras.ru>
1099 Backport from mainline
1100 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1103 * function.c (instantiate_virtual_regs_in_insn): Use
1104 delete_insn_and_edges when removing a wrong asm insn.
1106 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1109 * expr.c (get_inner_reference): If there is an offset, add a negative
1110 bit position to it (if any).
1112 2012-02-07 Kai Tietz <ktietz@redhat.com>
1113 Dave Korn <dave.korn.cygwin@gmail.com>
1116 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1117 Take care that typinfo gets dllexport-attribute.
1119 2012-02-07 Alan Modra <amodra@gmail.com>
1122 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1125 2012-02-02 Uros Bizjak <ubizjak@gmail.com>
1127 Backport from mainline:
1128 2011-11-18 Uros Bizjak <ubizjak@gmail.com>
1130 PR tree-optimization/51118
1131 * fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
1132 before using TREE_TYPE accessor on expr.
1134 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1136 Backport from mainline r183796
1137 PR rtl-optimization/51374
1138 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1139 to cross other volatile_refs_p insns.
1141 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1143 Backport from mainline.
1144 2011-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1146 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
1149 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1151 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1152 to srak instruction.
1154 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1156 Backport from mainline.
1157 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1160 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1161 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1163 2012-01-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1165 Backport from mainline.
1166 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1169 * config/arm/arm.c (arm_load_pic_register): Use
1170 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1171 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1172 (arm_pic_static_addr): Likewise.
1173 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1174 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1175 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1176 (pic_load_addr_unified): New.
1178 2012-01-25 Richard Guenther <rguenther@suse.de>
1180 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1181 bases are dereferenced.
1183 2012-01-24 Richard Guenther <rguenther@suse.de>
1185 Forward-port to branch
1186 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1189 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1190 op0 isn't sufficiently aligned and there is movmisalignM
1191 insn for mode, use it to load op0 into a temporary register.
1193 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1195 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1197 2012-01-19 Quentin Neill <quentin.neill@amd.com>
1200 * config/i386/driver-i386.c (host_detect_local_cpu): Also check
1201 family to distinguish PROCESSOR_ATHLON.
1203 2012-01-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1205 PR tree-optimization/49642
1206 * ipa-split.c (forbidden_dominators): New variable.
1207 (check_forbidden_calls): New function.
1208 (dominated_by_forbidden): Likewise.
1209 (consider_split): Check for forbidden dominators.
1210 (execute_split_functions): Initialize and free forbidden
1211 dominators info; call check_forbidden_calls.
1213 2012-01-18 David Edelsohn <dje.gcc@gmail.com>
1215 * config/rs6000/rs6000.md (call_value_indirect_aix32): Fix typo
1216 in mode of operand[4].
1218 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1220 PR rtl-optimization/51821
1221 * recog.c (peep2_find_free_register): Determine clobbered registers
1224 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1226 Backport from mainline r183129
1228 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1229 DECL_EXTERNAL when checking for initializers of progmem variables.
1231 22012-01-12 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1233 Backport from mainline
1234 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1236 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1238 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1240 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1241 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1243 2012-01-10 Joseph Myers <joseph@codesourcery.com>
1247 2008-09-18 Andrew Pinski <andrew_pinski@playstation.sony.com>
1250 * loop-doloop.c (doloop_modify): New argument zero_extend_p and
1251 zero extend count after the correction to it is done.
1252 (doloop_optimize): Update call to doloop_modify, don't zero extend
1255 2008-11-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1258 * loop-doloop.c (doloop_modify): Add from_mode argument that says what
1260 (doloop_optimize): Update call to doloop_modify.
1262 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1264 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1266 2012-01-09 Eric Botcazou <ebotcazou@adacore.com>
1268 * config/sparc/sol2-unwind.h (sparc64_is_sighandler): Check that the
1269 purported sigacthandler address isn't null before dereferencing it.
1270 (sparc_is_sighandler): Likewise.
1272 2012-01-09 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1274 Backport from mainline
1275 2011-11-04 Jiangning Liu <jiangning.liu@arm.com>
1277 PR rtl-optimization/38644
1278 * config/arm/arm.c (thumb1_expand_epilogue): Add memory barrier
1279 for epilogue having stack adjustment.
1281 2012-01-09 Eric Botcazou <ebotcazou@adacore.com>
1284 * config/sparc/sol2-unwind.h (sparc64_is_sighandler): Remove SAVPC and
1285 add CFA. Revert back to old code for Solaris 8+ multi-threaded.
1286 (sparc_is_sighandler): Likewise.
1287 (MD_FALLBACK_FRAME_STATE_FOR): Adjust call to IS_SIGHANDLER.
1289 2012-01-06 Eric Botcazou <ebotcazou@adacore.com>
1291 Backport from mainline
1292 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1294 * c-decl.c (ext_block): Moved up.
1295 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1297 2012-01-06 Richard Sandiford <richard.sandiford@linaro.org>
1300 * expr.h (copy_blkmode_to_reg): Declare.
1301 * expr.c (copy_blkmode_to_reg): New function.
1302 (expand_assignment): Don't expand register RESULT_DECLs before
1303 the lhs. Use copy_blkmode_to_reg to copy BLKmode values into a
1304 RESULT_DECL register.
1305 (expand_expr_real_1): Handle BLKmode decls when looking for promotion.
1307 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1309 PR tree-optimization/51315
1310 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1311 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1313 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1315 PR tree-optimization/51624
1316 * tree-sra.c (build_ref_for_model): When replicating a chain of
1317 COMPONENT_REFs, stop as soon as the offset would become negative.
1319 2012-01-04 Richard Guenther <rguenther@suse.de>
1321 PR tree-optimization/49651
1322 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1323 (var_can_have_subvars): Use it.
1324 (get_constraint_for_1): Only consider subfields if there can be any.
1326 2012-01-03 Sandra Loosemore <sandra@codesourcery.com>
1328 Backport from mainline:
1329 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1331 * doc/invoke.texi (-flto and related options): Copy-edit.
1333 2012-01-03 Richard Guenther <rguenther@suse.de>
1335 Backport from mainline
1336 2011-11-10 Richard Guenther <rguenther@suse.de>
1338 PR tree-optimization/51042
1339 * tree-ssa-pre.c (phi_translate_1): Avoid recursing on
1340 self-referential expressions. Refactor code to avoid duplication.
1342 2012-01-03 Richard Guenther <rguenther@suse.de>
1344 PR tree-optimization/51070
1345 * tree-loop-distribution.c (generate_builtin): Do not replace
1346 the loop with a builtin if the partition contains statements which
1347 results are used outside of the loop.
1348 (stmt_has_scalar_dependences_outside_loop): Properly handle calls.
1350 2011-12-30 Michael Meissner <meissner@linux.vnet.ibm.com>
1352 Backport from the mainline
1353 2011-12-30 Michael Meissner <meissner@linux.vnet.ibm.com>
1355 * config/rs6000/rs6000.c (rs6000_inner_target_options): Fix thinko
1356 in setting options via target #pragma or attribute.
1358 2011-12-28 Michael Meissner <meissner@linux.vnet.ibm.com>
1360 Backport from mainline
1361 2011-12-28 Michael Meissner <meissner@linux.vnet.ibm.com>
1364 * config/rs6000/rs6000.c (rs6000_assemble_integer): Don't call
1365 unlikely_text_section_p. Instead check for being in a code section.
1367 2011-12-23 Richard Guenther <rguenther@suse.de>
1369 PR rtl-optimization/50396
1370 * simplify-rtx.c (simplify_binary_operation_1): Properly
1371 guard code that only works for integers.
1373 2011-12-22 Doug Kwan <dougkwan@google.com>
1375 Backport from mainline
1376 2011-03-23 Julian Brown <julian@codesourcery.com>
1378 * expr.c (expand_expr_real_1): Only use BLKmode for volatile
1379 accesses which are not naturally aligned.
1381 2011-11-20 Joey Ye <joey.ye@arm.com>
1383 * expr.c (expand_expr_real_1): Correctly handle strict volatile
1384 bitfield loads smaller than mode size.
1386 2011-12-21 Richard Earnshaw <rearnsha@arm.com>
1389 * arm.c (arm_function_ok_for_sibcall): Use DECL_WEAK in previous
1392 2011-12-21 Richard Earnshaw <rearnsha@arm.com>
1395 * arm.c (arm_function_ok_for_sibcall): Don't try to tailcall a
1396 weak function on bare-metal EABI targets.
1398 2011-12-21 Uros Bizjak <ubizjak@gmail.com>
1400 Backport from mainline
1401 2011-12-21 Richard Guenther <rguenther@suse.de>
1404 * tree-outof-ssa.c (insert_value_copy_on_edge): Use the
1405 mode of the pseudo as destination mode. Only assert that
1406 is equal to the promoted mode of the decl if it is a REG.
1408 2011-12-21 Uros Bizjak <ubizjak@gmail.com>
1410 * config/alpha/linux-unwind.h: Update copyright years.
1411 (MD_FROB_UPDATE_CONTEXT): New define.
1412 (alpha_frob_update_context): New function.
1414 2011-12-19 Martin Jambor <mjambor@suse.cz>
1416 PR tree-optimization/51583
1417 * tree-sra.c (load_assign_lhs_subreplacements): Call
1418 force_gimple_operand_gsi when necessary also in case of no
1419 corresponding replacement on the RHS.
1421 2011-12-16 Eric Botcazou <ebotcazou@adacore.com>
1423 * config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
1424 (frame_blockage): New expander.
1425 (frame_blockage<P:mode>): New instruction.
1426 * config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
1427 instructions establishing the frame isn't atomic, emit frame blockage.
1429 2011-12-15 H.J. Lu <hongjiu.lu@intel.com>
1431 Backport from mainline.
1432 2011-10-28 Chung-Lin Tang <cltang@codesourcery.com>
1434 PR rtl-optimization/49720
1435 * simplify-rtx.c (simplify_relational_operation_1): Detect
1436 infinite recursion condition in "(eq/ne (plus x cst1) cst2)
1437 simplifies to (eq/ne x (cst2 - cst1))" case.
1439 2011-12-15 Andreas Tobler <andreast@fgznet.ch>
1441 Backport from mainline.
1442 2011-12-15 Andreas Tobler <andreast@fgznet.ch>
1444 * config/i386/freebsd.h (TARGET_ASM_FILE_END): Define.
1446 2011-12-13 Eric Botcazou <ebotcazou@adacore.com>
1448 * lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
1449 * lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
1450 * lto-streamer-in.c (lto_read_body): Likewise.
1451 (lto_input_toplevel_asms): Likewise.
1452 * lto-section-in.c (lto_create_simple_input_block): Likewise.
1453 * lto-opts.c (lto_read_file_options): Likewise.
1454 * ipa-prop.c (ipa_prop_read_section): Likewise.
1456 * df.h (DF_NOTE): Fix typo in comment.
1458 2011-12-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1460 * regmove.c (fixup_match_2): Only access call_used_regs with hard
1463 2011-12-12 Jakub Jelinek <jakub@redhat.com>
1466 * calls.c (internal_arg_pointer_based_exp_scan): Don't use
1467 VEC_safe_grow_cleared if idx is smaller than VEC_length.
1469 Backported from mainline
1470 2011-12-11 Jakub Jelinek <jakub@redhat.com>
1472 PR tree-optimization/51485
1473 * tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
1476 2011-12-12 Eric Botcazou <ebotcazou@adacore.com>
1478 PR tree-optimization/50569
1479 * tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
1480 in the expression of MODEL instead of just the last one.
1482 2011-12-09 Michael Meissner <meissner@the-meissners.org>
1484 Backport from mainline
1485 2011-12-09 Michael Meissner <meissner@the-meissners.org>
1487 PR rtl-optimization/51469
1488 * varasm.c (default_binds_local_p_1): If the symbol is a gnu
1489 indirect function, mark the symbol as non-local.
1491 2011-12-09 Jakub Jelinek <jakub@redhat.com>
1493 Backport from mainline
1494 2011-12-08 Jakub Jelinek <jakub@redhat.com>
1496 PR tree-optimization/51466
1497 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also copy
1500 2011-11-28 Jakub Jelinek <jakub@redhat.com>
1502 PR tree-optimization/50078
1503 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
1504 TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.
1506 2011-12-09 Kazu Hirata <kazu@codesourcery.com>
1508 Backport from mainline:
1510 2011-12-05 Kazu Hirata <kazu@codesourcery.com>
1513 * config/arm/arm.md (*minmax_arithsi): Always require the else
1514 clause in the MINUS case.
1516 2011-12-08 Teresa Johnson <tejohnson@google.com>
1518 Backport from mainline:
1520 2011-08-05 Uros Bizjak <ubizjak@gmail.com>
1522 * config/i386/i386.md (*movdi_internal_rex64): Use "!o" constraint
1523 instead of "!m" for operand 0, alternative 4.
1524 (*movdf_internal_rex64): Ditto for operand 0, alernative 6.
1526 2011-12-08 Jakub Jelinek <jakub@redhat.com>
1528 Backport from mainline
1529 2011-12-05 Jakub Jelinek <jakub@redhat.com>
1532 * c-decl.c (pop_scope): Don't add DECL_EXTERNAL decls
1533 for debug info if scope is file_scope.
1536 * c-decl.c (c_finish_incomplete_decl, finish_decl): Call
1537 relayout_decl instead of layout_decl.
1539 2011-12-05 Jakub Jelinek <jakub@redhat.com>
1540 Eric Botcazou <ebotcazou@adacore.com>
1544 * calls.c (internal_arg_pointer_exp_state): New variable.
1545 (internal_arg_pointer_based_exp_1,
1546 internal_arg_pointer_exp_scan): New functions.
1547 (internal_arg_pointer_based_exp): New function.
1548 (mem_overlaps_already_clobbered_arg_p): Use it.
1549 (expand_call): Free internal_arg_pointer_exp_state.cache vector
1550 and clear internal_arg_pointer_exp_state.scan_start.
1552 2011-11-30 Jakub Jelinek <jakub@redhat.com>
1554 PR rtl-optimization/48721
1555 * sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
1556 reg_pending_barrier to TRUE_BARRIER.
1558 2011-11-26 Joern Rennecke <joern.rennecke@embecosm.com>
1561 * calls.c (mem_overlaps_already_clobbered_arg_p):
1562 Return false if no outgoing arguments have been stored so far.
1564 2011-12-08 Eric Botcazou <ebotcazou@adacore.com>
1566 PR tree-optimization/51315
1567 * tree-sra.c (tree_non_mode_aligned_mem_p): Rename to...
1568 (tree_non_aligned_mem_p): ...this. Add ALIGN parameter. Look into
1569 MEM_REFs and use get_object_or_type_alignment for them.
1570 (build_accesses_from_assign): Adjust for above change.
1571 (access_precludes_ipa_sra_p): Likewise.
1573 2011-12-06 Martin Jambor <mjambor@suse.cz>
1575 Backport from mainline:
1577 2011-12-02 Martin Jambor <mjambor@suse.cz>
1579 PR tree-optimization/50622
1580 * tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
1581 if both lacc and racc are grp_partial_lhs.
1583 2011-12-06 Iain Sandoe <iains@gcc.gnu.org>
1585 * config/rs6000/rs6000.c (darwin_rs6000_override_options): Initialize
1588 2011-12-06 Alan Modra <amodra@gmail.com>
1591 * config/rs6000/rs6000.c (rs6000_emit_prologue <TARGET_SPE_ABI>):
1592 Do not mark r11 setup as frame-related. Pass correct offset to
1593 rs6000_emit_savres_rtx. Correct out-of-line rs6000_frame_related
1594 arguments. Correct sp_offset. Remove "offset" fudge from
1595 in-line rs6000_frame_related call. Rename misleading variable.
1596 Fix comments and whitespace. Tidy some expressions.
1597 (rs6000_emit_epilogue <TARGET_SPE_ABI>): Always set frame_reg_rtx
1598 to r11 in out-of-line case. Correct sp_offset. Pass correct
1599 offset to rs6000_emit_savres_rtx. Rename misleading variable.
1600 Fix comments and whitespace. Tidy some expressions.
1601 (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Add sp_offset
1602 adjustment when !saving_GPRs_inline. Correct register mode
1603 used in address calcs.
1604 (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Similarly when
1605 !restoring_GPRs_inline.
1607 2011-12-04 Jérémie Detrey <Jeremie.Detrey@loria.fr>
1610 * config/i386/avxintrin.h (_mm256_insert_epi64): Declare second
1611 parameter as long long.
1613 2011-12-02 Georg-Johann Lay <avr@gjlay.de>
1617 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1618 Enclose parts using __SP_H__ in !defined (__AVR_HAVE_8BIT_SP__).
1620 * config/avr/avr.md (movhi_sp_r_irq_off, movhi_sp_r_irq_on): Set
1621 insn condition to !AVR_HAVE_8BIT_SP.
1622 * config/avr/avr.c (output_movhi): "clr%B0" instead of "in
1623 %B0,__SP_H__" if AVR_HAVE_8BIT_SP.
1624 (avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.
1625 * config/avr/avr-devices.c (avr_mcu_types): ATtiny4313 and
1626 AT86RF401 have a 16-bit SP (their manual is bogus).
1628 2011-11-25 Richard Sandiford <richard.sandiford@linaro.org>
1630 Backport from mainline:
1632 2011-03-29 Richard Sandiford <richard.sandiford@linaro.org>
1635 * dwarf2out.c (dw_loc_list_node): Add resolved_addr and replaced.
1636 (cached_dw_loc_list_def): New structure.
1637 (cached_dw_loc_list): New typedef.
1638 (cached_dw_loc_list_table): New variable.
1639 (cached_dw_loc_list_table_hash): New function.
1640 (cached_dw_loc_list_table_eq): Likewise.
1641 (add_location_or_const_value_attribute): Take a bool cache_p.
1642 Cache the list when the parameter is true.
1643 (gen_formal_parameter_die): Update caller.
1644 (gen_variable_die): Likewise.
1645 (dwarf2out_finish): Likewise.
1646 (dwarf2out_abstract_function): Nullify cached_dw_loc_list_table
1647 while generating debug info for the decl.
1648 (dwarf2out_function_decl): Clear cached_dw_loc_list_table.
1649 (dwarf2out_init): Initialize cached_dw_loc_list_table.
1650 (resolve_addr): Cache the result of resolving a chain of
1653 2011-11-24 Enkovich Ilya <ilya.enkovich@intel.com>
1656 * i386.c (distance_non_agu_define): Fix insn attr check.
1658 2011-11-20 Andreas Tobler <andreast@fgznet.ch>
1661 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1662 note to a clobber insn when no other insn is available.
1664 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1667 * doc/invoke.texi (Wenum-compare): Update documentation.
1669 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1672 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1674 (altivec_stvlxl): Ditto.
1675 (altivec_stvrx): Ditto.
1676 (altivec_stvrxl): Ditto.
1678 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1681 * trans-mem.c (expand_block_edges): Do not skip the first
1682 statement when resetting the BB.
1684 2012-06-04 Richard Guenther <rguenther@suse.de>
1687 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1688 create new assembler names.
1690 2012-06-04 Richard Guenther <rguenther@suse.de>
1692 Backport from mainline
1693 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1696 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1697 larger than maxbits. Don't compute maxbits modulo align.
1698 Also check that unit bytes long store at bitpos / unit * unit
1699 doesn't affect bits beyond bitregion_end.
1700 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1701 would not fit into bitregion_start ... bitregion_end + 1 bit
1703 (store_split_bit_field): Decrease unit close to end of bitregion_end
1704 if access is restricted in order to avoid mutual recursion.
1706 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1708 Backport from 2012-06-04 mainline r188172
1711 * config/avr/avr-stdint.h: New file.
1712 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1715 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1717 PR tree-optimization/53550
1718 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1719 is POINTER_TYPE_P, use sizetype as step type instead of type.
1721 2012-06-04 Richard Guenther <rguenther@suse.de>
1722 Eric Botcazou <ebotcazou@adacore.com>
1724 Backport from mainline
1725 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1727 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1728 Change type of BITOFFSET to signed. Make sure the lower bound of
1729 the computed range is non-negative by adjusting OFFSET and BITPOS.
1730 (expand_assignment): Adjust call to get_bit_range.
1732 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1734 * expr.c (get_bit_range): Return the null range if the enclosing record
1735 is part of a larger bit field.
1737 2012-03-20 Richard Guenther <rguenther@suse.de>
1739 * stor-layout.c (finish_bitfield_representative): Fallback
1740 to conservative maximum size if the padding up to the next
1741 field cannot be computed as a constant.
1742 (finish_bitfield_layout): If we cannot compute the distance
1743 between the start of the bitfield representative and the
1744 bitfield member start a new representative.
1745 * expr.c (get_bit_range): The distance between the start of
1746 the bitfield representative and the bitfield member is zero
1747 if the field offsets are not constants.
1749 2012-03-16 Richard Guenther <rguenther@suse.de>
1751 * stor-layout.c (finish_bitfield_representative): Fall back
1752 to the conservative maximum size if we cannot compute the
1753 size of the tail padding.
1755 2012-03-14 Richard Guenther <rguenther@suse.de>
1757 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1758 * stor-layout.c (start_bitfield_representative): New function.
1759 (finish_bitfield_representative): Likewise.
1760 (finish_bitfield_layout): Likewise.
1761 (finish_record_layout): Call finish_bitfield_layout.
1762 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1763 for QUAL_UNION_TYPE fields.
1764 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1765 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1766 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1771 * expr.c (get_bit_range): Unconditionally extract bitrange
1772 from DECL_BIT_FIELD_REPRESENTATIVE.
1773 (expand_assignment): Adjust call to get_bit_range.
1775 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1778 * fold-const.c (fold_binary_loc): Refine previous change.
1780 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1782 Backport from mainline
1783 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1786 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1787 avoid going above orig insn. Update comments.
1789 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1792 * compare-elim.c (find_comparisons_in_bb): Use df_get_live_in and
1793 df_get_live_out instead of accessing the bitmaps directly.
1794 (execute_compare_elim_after_reload): Remove calls to df_set_flags,
1795 df_live_add_problem and df_analyze.
1797 2011-10-10 Georg-Johann Lay <avr@gjlay.de>
1800 Backport from Mainline r179737.
1801 * config/avr/avr-devices.c (avr_mcu_types): Set
1802 .data_section_start of atmega164a to 0x100.
1804 2011-10-07 Bernd Schmidt <bernds@codesourcery.com>
1807 * config/arm/arm.md (arm_subsi3_insn): Lose the last alternative.
1809 2011-10-06 Jakub Jelinek <jakub@redhat.com>
1811 * tree.h (avoid_folding_inline_builtin): New prototype.
1812 * builtins.c (avoid_folding_inline_builtin): No longer static.
1813 * gimple-fold.c (gimple_fold_builtin): Give up if
1814 avoid_folding_inline_builtin returns true.
1816 PR tree-optimization/49279
1817 * tree-ssa-structalias.c (find_func_aliases): Don't handle
1820 2011-10-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1822 * longlong.h (smul_ppmm, sdiv_qrnnd): Add underscores to the local
1823 variables. Fix second operand of DR. Swap inputs for sdiv_qrnnd.
1825 2011-10-03 Jakub Jelinek <jakub@redhat.com>
1826 Ian Lance Taylor <iant@google.com>
1828 * godump.c (go_output_typedef): Support printing enum values that
1829 don't fit in a signed HOST_WIDE_INT.
1831 2011-09-30 Jakub Jelinek <jakub@redhat.com>
1834 * gimple-fold.c (fold_stmt_1) <case GIMPLE_ASM>: If
1835 input constraints allow mem and not reg, pass true instead of
1836 false as second argument to maybe_fold_reference.
1838 2011-09-30 Jakub Jelinek <jakub@redhat.com>
1839 Richard Guenther <rguenther@suse.de>
1841 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Fix
1842 handling of BUILT_IN_STRNCAT.
1843 (ref_maybe_used_by_call_p_1): Fix handling of BUILT_IN_STRCAT,
1844 and BUILT_IN_STRNCAT.
1846 2011-09-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1848 * graphite-scop-detection.c (make_close_phi_nodes_unique): New
1849 forward declaration.
1850 (remove_duplicate_close_phi): Detect and repair creation of
1851 duplicate close-phis for a containing loop.
1853 2011-09-26 Richard Guenther <rguenther@suse.de>
1855 PR tree-optimization/50472
1856 * tree-ssa-ccp.c (fold_const_aggregate_ref): Do not fold
1857 volatile references.
1859 2011-09-25 Ira Rosen <ira.rosen@linaro.org>
1861 PR tree-optimization/50413
1862 * tree-vect-data-refs.c (vect_analyze_data_refs): Fail to vectorize
1863 a basic block if one of its data-refs can't be analyzed.
1865 2011-09-25 Ira Rosen <ira.rosen@linaro.org>
1867 PR tree-optimization/50412
1868 * tree-vect-data-refs.c (vect_analyze_group_access): Fail for
1869 accesses that require epilogue loop if vectorizing outer loop.
1871 2011-09-22 Uros Bizjak <ubizjak@gmail.com>
1874 * config/i386/sse.md (xop_pcmov_<mode>): Change operand 1 predicate
1875 to register_operand and operand 2 predicate to nonimmediate_operand.
1876 (xop_pcmov_<mode>256): Ditto.
1877 * config/i386/i386.c (ix86_expand_sse_movcc): When generating
1878 xop_pcmov, force op_true to register. Also, force op_false to
1879 register if it doesn't satisfy nonimmediate_operand predicate.
1881 2011-09-19 Alan Modra <amodra@gmail.com>
1882 Michael Meissner <meissner@linux.vnet.ibm.com>
1885 * config/rs6000/rs6000.md (call_indirect_aix32): Do not split the
1886 load of the indirect function's TOC from the call to prevent the
1887 compiler from moving the load of the new TOC above code that
1888 references the current function's TOC.
1889 (call_indirect_aix64): Ditto.
1890 (call_value_indirect_aix32): Ditto.
1891 (call_value_indirect_aix64): Ditto.
1892 (call_indirect_nonlocal_aix32_internal): Ditto.
1893 (call_indirect_nonlocal_aix32): Ditto.
1894 (call_indirect_nonlocal_aix64_internal): Ditto.
1895 (call_indirect_nonlocal_aix64): Ditto.
1896 (call_value_indirect_nonlocal_aix32_internal): Ditto.
1897 (call_value_indirect_nonlocal_aix32): Ditto.
1898 (call_value_indirect_nonlocal_aix64_internal): Ditto.
1899 (call_value_indirect_nonlocal_aix64): Ditto.
1901 2011-09-19 Martin Jambor <mjambor@suse.cz>
1904 * ipa-split.c (split_function): Do not change signature if it is
1905 not possible or there are attribute types.
1907 2011-09-18 Eric Botcazou <ebotcazou@adacore.com>
1908 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1911 * config/rs6000/rs6000.md (probe_stack): Use explicit operand.
1912 * config/rs6000/rs6000.c (output_probe_stack_range): Likewise.
1914 2011-09-14 Diego Novillo <dnovillo@google.com>
1916 * tree-vect-stmts.c (vect_transform_stmt): Remove unused
1917 local variable ORIG_SCALAR_STMT.
1919 2011-09-08 Martin Jambor <mjambor@suse.cz>
1921 Backport from mainline
1922 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1925 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1926 prologue for unwinder and profiler.
1928 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1930 Backport from mainline
1931 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1933 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1935 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1937 Backport from mainline
1938 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1940 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1941 DBX_REGISTER_NUMBER.
1943 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1945 Backport from mainline
1946 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1948 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1949 operand is CONST_INT. Take COSTS_N_INSNS into account.
1950 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1953 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1955 * config/avr/avr.opt (-msp8): Document it.
1956 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1958 2012-05-31 Richard Guenther <rguenther@suse.de>
1961 * expr.c (expand_assignment): Do not use movmisalign on
1964 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1967 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1968 (pa_section_type_flags): New.
1969 (pa_legitimate_constant_p): Revert previous change.
1971 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1973 Backport from mainline
1974 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1977 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1978 accessed indirectly.
1979 (ipa_tm_create_version): Same.
1981 2012-05-30 Jason Merrill <jason@redhat.com>
1984 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1985 about array compound literals.
1987 2012-05-30 Richard Guenther <rguenther@suse.de>
1990 * fold-const.c (fold_binary_loc): Make sure to call
1991 fold_plusminus_mult_expr with the original sign of operands.
1993 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1995 * explow.c (probe_stack_range): Restore simple control flow and stop
1996 again when the probe cannot be generated if HAVE_check_stack.
1998 2012-05-30 Jakub Jelinek <jakub@redhat.com>
2000 PR rtl-optimization/53519
2001 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
2002 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
2004 2012-05-29 Richard Guenther <rguenther@suse.de>
2006 PR tree-optimization/53516
2007 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
2009 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
2011 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
2013 Backport from mainline
2014 2012-05-28 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/53438
2017 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
2019 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
2021 Backport from mainline
2022 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
2024 PR rtl-optimization/52528
2025 * combine.c (can_combine_p): Add setting of subst_low_luid
2026 before call to expand_field_assignment().
2028 2012-05-26 Martin Jambor <mjambor@suse.cz>
2030 Backport from mainline
2031 2012-05-23 Martin Jambor <mjambor@suse.cz>
2033 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
2035 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2038 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
2039 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
2041 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
2044 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
2045 (ix86_expand_vec_perm): Use int mode instead of float.
2047 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2050 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
2051 gnu_ld variables to yes.
2052 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
2053 (HAVE_GNU_AS): Likewise.
2054 * config.in: Regenerate.
2055 * configure: Likewise.
2057 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2059 Backport from mainline
2060 2012-03-12 Richard Guenther <rguenther@suse.de>
2061 * config/arm/arm.c (neon_dereference_pointer): Do not call
2062 covert during RTL expansion.
2064 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2066 Backport from mainline
2067 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2070 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
2071 relied on signed overflow behavior.
2073 2012-05-24 Richard Guenther <rguenther@suse.de>
2076 * tree-profile.c (tree_profiling): Cleanup the CFG if
2077 execute_fixup_cfg requests it.
2079 2012-05-24 Jakub Jelinek <jakub@redhat.com>
2081 PR tree-optimization/53465
2082 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
2083 vr0 into *vr, then vrp_meet that.
2084 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
2085 have any equivalences.
2086 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
2089 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
2091 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
2093 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
2094 (iterative_hash_gimple_type): Adjust comment.
2095 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
2096 domain for an array type instead of the domain type itself.
2098 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
2100 Backport from 2012-05-23 mainline r187803
2103 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
2104 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
2107 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2109 Backport from 2012-05-03 mainline r187075
2111 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2112 has_fma4 for AMD processors with both fma3 and fma4 support.
2114 2012-05-22 Richard Guenther <rguenther@suse.de>
2116 PR tree-optimization/53408
2117 * tree-vect-loop.c (vectorizable_induction): Properly check
2118 the restriction that we cannot handle induction results from
2119 the inner loop outside of the outer loop.
2121 2012-05-21 Jakub Jelinek <jakub@redhat.com>
2123 PR tree-optimization/53436
2124 * omp-low.c (omp_build_component_ref): New function.
2125 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
2127 PR tree-optimization/53366
2128 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
2129 tests if complex_numbers == 2, but there are non-complex number loads
2132 PR tree-optimization/53409
2133 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
2134 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
2136 PR tree-optimization/53410
2137 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
2138 instead of build_int_cst (type, 0) where vector types might be
2141 2012-05-21 Joseph Myers <joseph@codesourcery.com>
2144 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
2145 from folded operands before wrapping another around the
2146 conditional expression.
2148 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
2149 Patrick Marlier <patrick.marlier@gmail.com>
2151 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
2154 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2156 Backport from mainline
2157 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2160 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
2161 (UNSPECV_RDRAND): This.
2162 (rdrand<mode>_1): Updated.
2164 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2166 Backport from mainline
2167 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2169 * config/i386/driver-i386.c (host_detect_local_cpu): Support
2170 RDRND, F16C and FSGSBASE.
2172 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
2174 Backport from mainline
2175 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
2177 * tree-ssa-pre.c (can_value_number_call): Delete.
2178 (compute_avail): Skip all statements with side effects.
2179 <GIMPLE_CALL>: Skip calls to internal functions.
2181 2012-05-18 David S. Miller <davem@davemloft.net>
2183 Backport r185385 from mainline
2184 2012-03-14 Richard Guenther <rguenther@suse.de>
2187 * tree-vect-generic.c (type_for_widest_vector_mode): Take
2188 element type instead of mode, use build_vector_type_for_mode
2189 instead of the langhook, build a vector of proper signedness.
2190 (expand_vector_operations_1): Adjust.
2192 2012-05-18 Olivier Hainque <hainque@adacore.com>
2194 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
2195 $(libsubdir) as libexecsubdir.
2197 2012-05-16 Andrew Pinski <apinski@cavium.com>
2199 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
2202 2012-05-16 David S. Miller <davem@davemloft.net>
2204 * jump.c (delete_related_insns): If we remove a CALL, make sure
2205 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
2207 2012-05-16 Richard Henderson <rth@redhat.com>
2210 * combine-stack-adj.c (prev_active_insn_bb): New.
2211 (next_active_insn_bb): New.
2212 (force_move_args_size_note): New.
2213 (combine_stack_adjustments_for_block): Use it.
2215 2012-05-16 Olivier Hainque <hainque@adacore.com>
2217 * Makefile.in (install-no-fixedincludes): New target, former toplevel
2218 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
2219 Add comments and improve stamp preservation across the whole sequence.
2220 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
2222 2012-05-16 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/53364
2225 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
2226 detect a view-conversion of the decl.
2228 2012-05-15 Jakub Jelinek <jakub@redhat.com>
2231 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
2232 that operands[2] is either immediate, or q_regs_operand.
2234 2012-05-15 Bin Cheng <bin.cheng@arm.com>
2236 Backport r187139 from mainline.
2237 2012-05-04 Bin Cheng <bin.cheng@arm.com>
2239 PR rtl-optimization/52804
2240 * reload1.c (reload_reg_reaches_end_p): Check whether successor
2241 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2242 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2243 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2244 RELOAD_FOR_OUTADDR_ADDRESS.
2246 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
2249 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
2250 generate target register for "load" class builtins.
2253 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
2256 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
2257 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
2258 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
2259 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
2260 (<sse>_movu<ssemodesuffix>): New expander.
2261 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
2262 (avx_movdqu<avxmodesuffix>): New expander.
2263 (*sse2_movdqu): Rename from sse2_movdqu.
2264 (sse2_movdqu): New expander.
2266 2012-05-14 Jakub Jelinek <jakub@redhat.com>
2268 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
2269 lineno 1 the same as lineno 0 before first start file directive.
2270 (optimize_macinfo_range): Likewise.
2272 * dwarf2out.c (have_macinfo): Define.
2273 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
2274 attribute, don't force empty compilation unit and don't emit any
2275 .debug_macinfo/.debug_macro section if macinfo_table is empty.
2277 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
2279 Backport from mainline
2280 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
2282 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2283 ORDERED and UNORDERED conditions.
2285 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
2287 * function.c (requires_stack_frame_p): If the function can throw
2288 non-call exceptions, return true if the insn can throw internally.
2290 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
2292 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
2293 DECL_ORIGINAL_TYPE if it is present.
2295 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
2297 Backport from 2012-05-12 mainline r187342.
2300 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
2301 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
2302 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
2303 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
2304 (expand_prologue): Move initialization of cfun->machine->is_naked,
2305 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
2306 (avr_set_current_function): ...this new static function.
2307 (TARGET_SET_CURRENT_FUNCTION): New define.
2308 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
2309 checking attributes of current_function_decl.
2310 (avr_regs_to_save): Ditto.
2311 (signal_function_p): Rename to avr_signal_function_p.
2312 (interrupt_function_p): Rename to avr_interrupt_function_p.
2314 * doc/extend.texi (Function Attributes): Better explanation of
2315 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
2318 2012-05-09 Matthias Klose <doko@ubuntu.com>
2320 * gcc-ar.c (main): Don't check for execute bits for the plugin.
2322 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
2325 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
2326 when a constant source operand matches an "I" constraint, the "no
2327 CC0 change" applies to a register-destination only, not a
2328 strict_low_part-destination.
2330 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2332 Backport from mainline:
2333 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2335 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
2337 2012-05-07 Jakub Jelinek <jakub@redhat.com>
2339 PR tree-optimization/53239
2340 * tree-vrp.c (get_value_range): Set VR of
2341 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
2344 2012-05-07 Richard Guenther <rguenther@suse.de>
2346 PR tree-optimization/53195
2347 * tree-inline.c (setup_one_parameter): Properly add referenced
2348 vars from the parameters new known value.
2350 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2352 Backport from mainline:
2353 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2356 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2359 2012-05-04 Ian Lance Taylor <iant@google.com>
2361 * tree-vect-patterns.c (vect_single_imm_use): Correct return
2362 values from false to NULL.
2364 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2366 Backport from mainline
2367 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2370 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2371 (TARGET_CMOV): Rename from TARGET_CMOVE.
2372 (TARGET_CMOVE): New define.
2373 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2374 Do not set TARGET_CMOVE here.
2376 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2378 Backport from mainline:
2380 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2382 PR tree-optimization/52633
2383 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2384 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2385 (vect_recog_over_widening_pattern): Remove handling of code that was
2386 already detected as over-widening pattern. Remove special handling
2387 of "unsigned" cases. Instead, support general case of conversion
2388 of the shift result to another type.
2390 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2392 * tree-vect-patterns.c (vect_single_imm_use): New function.
2393 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2394 (vect_recog_over_widening_pattern): Likewise.
2395 (vect_recog_widen_shift_pattern): Likewise.
2397 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2399 PR tree-optimization/52870
2400 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2401 presumed pattern statement is within the same loop or basic block.
2403 2012-05-04 Richard Guenther <rguenther@suse.de>
2405 * common.opt (flto-report): Do not mark as Optimization.
2407 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
2410 * recog.c (constrain_operands): If extra constraints are present, also
2411 accept pseudo-registers with equivalent memory locations during reload.
2413 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2415 Backport from the mainline
2416 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2419 * config/rs6000/rs6000.md (bswapdi splitters): If
2420 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2421 default) is used, generate an alternate sequence that does not
2422 depend on using indexed addressing.
2424 2012-05-03 David S. Miller <davem@davemloft.net>
2427 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2428 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2429 (sparc_emit_float_lib_cmp): Likewise.
2431 2012-05-04 Martin Jambor <mjambor@suse.cz>
2433 Backport from mainline
2434 2012-05-02 Martin Jambor <mjambor@suse.cz>
2437 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2438 of a variable when the contect is a function.
2440 2012-05-03 Jakub Jelinek <jakub@redhat.com>
2443 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2444 append program name to it and pass that as first argument
2445 to make_relative_prefix. Always pass standard_libexec_prefix
2446 as last argument to make_relative_prefix. If
2447 make_relative_prefix returns NULL, fall back to
2448 standard_libexec_prefix.
2451 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2455 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2456 mode, return that mode.
2458 2012-05-03 Richard Guenther <rguenther@suse.de>
2460 PR tree-optimization/53144
2461 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2463 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
2464 with SSA name values.
2465 (vn_reference_lookup_3): Adjust callers.
2467 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2469 PR tree-optimization/53163
2470 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2471 return value from compute_all_dependences.
2473 PR rtl-optimization/53160
2474 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2475 has been modified by ree pass already.
2477 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
2479 Backport from mainline
2480 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2483 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2484 calls to cgraph_node_name in xstrdup.
2485 (ipa_make_edge_direct_to_target): Ditto.
2486 * tree-sra.c (convert_callers_for_node): Ditto.
2487 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2488 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2489 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2490 (cgraph_materialize_all_clones): Ditto.
2491 * ipa-inline.c (report_inline_failed_reason): Ditto.
2492 (want_early_inline_function_p): Ditto.
2493 (edge_badness): Ditto.
2494 (update_edge_key): Ditto.
2495 (flatten_function): Ditto.
2496 (ipa_inline): Ditto.
2497 (inline_always_inline_functions): Ditto.
2498 (early_inline_small_functions): Ditto.
2500 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
2502 Backport from mainline
2503 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
2505 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2506 Introduce emul_name to select the right linker emulation for
2507 powerpc64-*-freebsd*.
2508 * configure: Regenerate.
2509 * config.gcc: Add bits to support powerpc64-*-freebsd*.
2510 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2511 * config/rs6000/freebsd64.h: New file.
2512 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2514 (rs6000_savres_strategy): Likewise.
2515 (rs6000_savres_routine_name): Likewise.
2516 (rs6000_elf_file_end): Likewise.
2517 * config/rs6000/t-freebsd64: New file.
2518 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2519 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2521 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2523 Backport from mainline
2524 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
2527 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2529 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
2531 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2532 predicate to discriminate types.
2534 2012-04-27 Richard Guenther <rguenther@suse.de>
2537 * convert.c (convert_to_integer): Avoid infinite recursion for
2538 target-defined built-in types.
2540 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
2543 * config/cris/cris.md ("*andhi_lowpart_v32")
2544 ("*andqi_lowpart_v32"): Change first input-only operand from
2545 a (match_operand ...) to (match_dup 0). Drop alternatives with
2546 const_int-matching constraints for redundancy.
2547 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
2548 three-operand alternative.
2550 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
2552 Backport from mainline
2553 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
2555 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2556 (*addsi_2_zext): Ditto.
2557 (*add<mode>_3): Ditto.
2558 (*addsi_3_zext): Ditto.
2559 (*add<mode>_5): Ditto.
2561 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2564 * c-typeck.c (set_nonincremental_init,
2565 set_nonincremental_init_from_string): Pass true instead of false
2566 as IMPLICIT to add_pending_init.
2568 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
2570 Backport from 2012-04-24 mainline r186768.
2573 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2575 2012-04-24 Richard Guenther <rguenther@suse.de>
2577 PR tree-optimization/53085
2578 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2581 2012-04-24 Jakub Jelinek <jakub@redhat.com>
2584 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2586 (output_addressed_constants): Likewise.
2589 * varasm.c (get_section): Don't ICE for section conflicts with
2590 built-in section kinds.
2592 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
2594 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2596 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
2598 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2600 2012-04-23 Richard Guenther <rguenther@suse.de>
2603 * c-typeck.c (build_binary_op): Fix typo.
2605 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2607 PR tree-optimizations/52891
2608 * tree-vect-patterns.c (adjust_bool_pattern): Use
2609 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2610 but with non-standard precision.
2612 2012-04-22 Ian Lance Taylor <iant@google.com>
2614 * godump.c (go_output_typedef): Dump size of structs.
2616 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2618 Backport from mainline:
2620 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2621 hints for 'A' operand types.
2623 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2625 Backport from 2012-04-19 mainline r186588.
2628 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2629 the case *(X+const).
2631 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2633 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2635 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2638 * config/i386/sync.md (atomic_<code><mode>): Rename to
2639 atomic_<logic><mode>.
2641 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2643 Backport from mainline
2644 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2647 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2648 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2649 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2650 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2651 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2652 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2653 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2654 gen_avx2_permvarv8sf.
2656 2012-04-16 Martin Jambor <mjambor@suse.cz>
2658 Backported from mainline
2660 2012-04-13 Martin Jambor <mjambor@suse.cz>
2663 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2664 fold_ctor_reference returns a zero constant.
2666 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2668 Backported from mainline
2669 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2671 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2672 and __ILP32__ for x32.
2674 2012-04-13 Tom de Vries <tom@codesourcery.com>
2676 Backport from mainline r186418.
2678 2012-04-13 Tom de Vries <tom@codesourcery.com>
2680 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2681 parameters vuse and vuse_escaped.
2682 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2683 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2686 2012-04-13 Richard Guenther <rguenther@suse.de>
2688 PR tree-optimization/52969
2689 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2690 the condition for the COND_EXPR and handle predicate negation
2691 by swapping the COND_EXPR arms.
2693 2012-04-13 Richard Guenther <rguenther@suse.de>
2696 * convert.c (convert_to_pointer): Remove special-casing of
2699 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2701 Backport from mainline
2702 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2705 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2706 the list of options to enable the FCFID instruction.
2707 (TARGET_EXTRA_BUILTINS): Adjust comment.
2709 2012-04-12 Richard Guenther <rguenther@suse.de>
2711 PR tree-optimization/52943
2712 * tree-chrec.h (chrec_is_positive): Remove.
2713 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2714 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2715 Return false for a constant zero instead of negative.
2716 (analyze_siv_subscript_cst_affine): Handle zero difference
2717 in the initial condition explicitely.
2719 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2722 * varasm.c (process_pending_assemble_externals): Set
2723 pending_assemble_externals_processed true.
2724 (assemble_external): Call assemble_external_real if the pending
2725 assemble externals have been processed.
2727 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2730 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2731 the DECL generated for the special GOT helper.
2733 2012-04-06 Walter Lee <walt@tilera.com>
2735 Backport from mainline
2736 2012-03-07 Walter Lee <walt@tilera.com>
2738 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2739 REG_CFA_* notes for the stack pointer.
2740 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2741 EH_RETURN_STACKADJ_RTX.
2742 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2743 generate REG_CFA_* notes for the stack pointer.
2744 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2745 by EH_RETURN_STACKADJ_RTX.
2747 2012-04-06 Matt Turner <mattst88@gmail.com>
2749 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2751 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2753 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2754 of the destination isn't also a FP_REGS register.
2756 2012-04-03 Richard Guenther <rguenther@suse.de>
2758 Backport from mainline
2759 2012-03-02 Richard Guenther <rguenther@suse.de>
2761 PR tree-optimization/52406
2762 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2763 (struct indices): Add unconstrained_base member.
2764 (struct dr_alias): Remove unused vops member.
2765 (DR_UNCONSTRAINED_BASE): New define.
2766 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2767 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2768 be an artificial access that covers the whole indexed object,
2769 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2770 plain decl base-objects to their MEM_REF variant.
2771 (dr_may_alias_p): When the base-object of either data reference
2772 has unknown size use only points-to information.
2773 (compute_affine_dependence): Make dumps easier to read and
2775 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2776 DR_REF when looking for packed references.
2777 (vect_supportable_dr_alignment): Likewise.
2779 2012-04-03 Richard Guenther <rguenther@suse.de>
2781 Backport from mainline
2782 2012-03-15 Richard Guenther <rguenther@suse.de>
2785 * tree-data-ref.c (subscript_dependence_tester_1): Check
2786 all dimensions for non-conflicting access functions.
2788 2012-04-03 Richard Guenther <rguenther@suse.de>
2790 Backport from mainline
2791 2012-03-06 Richard Guenther <rguenther@suse.de>
2794 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2796 2012-03-23 Richard Guenther <rguenther@suse.de>
2798 PR tree-optimization/52678
2799 * tree-vectorizer.h (struct _stmt_vec_info): Add
2800 loop_phi_evolution_part member.
2801 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2802 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2803 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2804 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2805 Use the cached evolution part and the PHI nodes value from
2806 the loop preheader edge instead of re-analyzing the evolution.
2808 2012-03-26 Richard Guenther <rguenther@suse.de>
2810 PR tree-optimization/52701
2811 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2812 compute and set the evolution part of PHI nodes.
2814 2012-03-30 Richard Guenther <rguenther@suse.de>
2816 PR tree-optimization/52754
2817 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2818 propagate arbitrary addresses into really plain dereferences.
2820 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2822 PR tree-optimization/52835
2823 * tree-data-ref.c (build_rdg): Return NULL if
2824 compute_data_dependences_for_loop failed.
2826 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2828 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2829 (stmt_can_make_abnormal_goto): Use it.
2830 (is_ctrl_altering_stmt): Likewise.
2832 2012-03-31 Martin Jambor <mjambor@suse.cz>
2834 Backported from mainline
2835 2012-03-30 Martin Jambor <mjambor@suse.cz>
2837 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2838 is a builtin_stack_save in a dominating BB.
2840 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2842 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2843 crossing 128bit lane boundary.
2845 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2847 Backported from mainline
2848 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2851 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2853 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2854 * config/i386/i386.c: Include reload.h.
2855 (ix86_legitimize_reload_address): New function.
2857 2012-03-28 Martin Jambor <mjambor@suse.cz>
2859 Backported from mainline
2860 2012-03-27 Martin Jambor <mjambor@suse.cz>
2863 * tree-sra.c (sra_modify_assign): Do not call
2864 load_assign_lhs_subreplacements when working with an unscalarizable
2867 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2870 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2871 __builtin_va_start to __builtin_next_arg if the latter is
2872 builtin_decl_explicit_p rather than when it is not.
2875 * tree-vect-generic.c (vector_element): Perform multiplication
2876 for pos in bitsizetype type instead of idx type.
2878 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2880 Backport from 2012-03-28 mainline r185910.
2883 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2884 (avr_builtin_decl): New static function.
2885 (struct avr_builtin_description, avr_bdesc): Move up.
2886 Add GTY marker. Add field fndecl. Remove redundant field id.
2887 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2888 (avr_expand_builtin): Code cleanup because .id is removed.
2890 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2893 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2896 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2898 Backport from 2012-03-28 mainline r185907.
2901 * config.gcc (tm_file): Remove avr/multilib.h.
2903 * doc/invoke.texi (AVR Options): Adjust
2904 documentation of -mtiny-stack.
2906 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2907 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2908 * config/avr/t-avr: Remove generation of multilib.h.
2909 * config/avr/t-multilib: Regenerate.
2910 * config/avr/multilib.h: Remove.
2911 * config/avr/avr.opt (-msp8): New option.
2912 (avr_sp8): New variable.
2913 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2914 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2915 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2916 (avr_device_to_sp8): New prototype.
2917 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2918 (DRIVER_SELF_SPECS): New define.
2919 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2920 __AVR_SP8__, __AVR_HAVE_SPH__.
2921 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2922 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2923 (avr_file_start): Ditto.
2925 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2928 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2929 instead of 8 in adjust_address.
2931 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2933 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2934 of a unit before computing the offset in units.
2936 2012-03-27 Richard Guenther <rguenther@suse.de>
2939 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2942 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2945 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2947 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2950 * varasm.c: Include pointer-set.h.
2951 (pending_assemble_externals_set): New pointer set.
2952 (process_pending_assemble_externals): Destroy the pointer set.
2953 (assemble_external): See if decl is in pending_assemble_externals_set,
2954 and add it to pending_assemble_externals if necessary.
2955 (init_varasm_once): Allocate pending_assemble_externals_set.
2957 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2959 Backported from mainline
2960 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2963 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2964 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2965 (vector_ltgt<mode>): Likewise.
2966 (vector_ordered<mode>): Likewise.
2967 (vector_unordered<mode>): Likewise.
2968 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2970 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2972 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2975 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2977 Backported from mainline
2978 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2982 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2983 GENERAL_REGS and FP_REGS for SImode.
2985 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2988 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2989 on any new_local_var_chain vars declared during recursing on
2990 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2992 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2994 Backport from 2012-03-22 mainline r185692.
2997 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2998 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2999 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
3000 (delay_cycles_1, delay_cycles_2): Ditto.
3001 (delay_cycles_3, delay_cycles_4): Ditto.
3002 (nopv, *nopv): Ditto.
3003 (sleep, *sleep): Ditto.
3006 Backport from 2012-03-21 mainline r185605.
3008 PR rtl-optimization/52543
3010 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
3011 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
3012 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
3013 (avr_load_libgcc_p): Restrict to __flash loads.
3014 (avr_out_lpm): Only handle 1-byte loads from __flash.
3015 (avr_load_lpm): New function.
3016 (avr_find_unused_d_reg): Remove.
3017 (avr_out_lpm_no_lpmx): Remove.
3018 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
3019 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
3020 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
3021 (load_<mode>, load_<mode>_clobber): New insns.
3022 (mov<mode>): For multi-byte move from non-generic
3023 16-bit address spaces: Expand to load_<mode> resp.
3024 load_<mode>_clobber.
3025 (load<mode>_libgcc): Remove expander.
3026 (split-lpmx): Remove split.
3028 Backport from 2012-03-13 mainline r185329.
3031 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
3032 offset (size) to a value the insns can deal with.
3033 (expand_epilogue): Ditto.
3035 Backport from 2012-03-12 mainline r185256.
3038 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
3039 type from reg_class_t to enum reg_class.
3040 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
3042 Backport from 2012-03-12 mainline r185253.
3045 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
3046 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
3047 r184615 from 2012-02-28.
3049 Backport from 2012-03-08 mainline r185105.
3051 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
3052 for constants in [-63,63].
3054 Backport from 2012-03-08 mainline r185100.
3057 * config/avr/avr.c (avr_mem_clobber): New static function.
3058 (avr_expand_delay_cycles): Add memory clobber operand to
3059 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
3060 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
3061 (enable_interrupt, disable_interrupt): New expander.
3062 (nopv, sleep, wdr): New expanders.
3063 (delay_cycles_1): Add memory clobber.
3064 (delay_cycles_2): Add memory clobber.
3065 (delay_cycles_3): Add memory clobber.
3066 (delay_cycles_4): Add memory clobber.
3067 (cli_sei): New insn from former "enable_interrupt",
3068 "disable_interrupt" with memory clobber.
3069 (*wdt): New insn from former "wdt" with memory clobber.
3070 (*nopv): Similar, but for "nopv".
3071 (*sleep): Similar, but for "sleep".
3073 Backport from 2012-03-07 mainline r185043.
3076 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
3078 Backport from 2012-03-07 mainline r185032.
3081 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
3082 to: RAMPZ, RAMPY, RAMPX, RAMPD.
3083 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
3085 Backport from 2012-03-07 mainline r185031.
3088 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
3090 * config/avr/avr.md (xload_8): Adjust insn length.
3092 Backport from 2012-03-07 mainline r185030.
3095 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
3096 if RAMPZ affects reading from RAM.
3098 Backport from 2012-03-05 mainline r184919.
3100 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
3102 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
3104 Backport from mainline r185259.
3107 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
3108 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
3110 2012-03-22 Jakub Jelinek <jakub@redhat.com>
3112 Backported from mainline
3113 2012-03-13 Jakub Jelinek <jakub@redhat.com>
3116 * c-parser.c (c_parser_postfix_expression)
3117 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
3119 * config/i386/smmintrin.h: Avoid /* within a comment.
3120 * config/i386/nmmintrin.h: Likewise.
3122 2012-03-22 Richard Guenther <rguenther@suse.de>
3124 * BASE-VER: Set to 4.7.1.
3125 * DEV-PHASE: Set to prerelease.
3127 2012-03-22 Release Manager
3129 * GCC 4.7.0 released.
3131 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3133 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
3135 2012-03-15 Jakub Jelinek <jakub@redhat.com>
3136 Andrew Pinski <apinski@cavium.com>
3139 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
3140 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
3141 calls instead of __builtin_ir{int,ound}*.
3143 2012-03-14 Jakub Jelinek <jakub@redhat.com>
3146 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
3149 2012-03-13 Joseph Myers <joseph@codesourcery.com>
3151 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
3152 Refer to GCC 4.7 version of c99status.html.
3154 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3156 Backport from mainline
3157 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3159 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
3160 redefine to be NULL if the current bit-size is different from the
3161 configured bit-size.
3163 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
3164 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
3165 set the default tuning. Add asserts to make sure the cpu and tune
3166 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
3167 test whether the index is set, instead of > 0.
3168 (rs6000_file_start): Do not reset the default cpu if the current
3169 bit-size is different from the configured bit-size.
3171 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3173 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
3175 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
3176 Update binutils references.
3177 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
3178 Update binutils reference.
3179 Update Sun as/GNU ld caveat.
3180 Document binutils largefile requirement for LTO plugin.
3181 Remove reference to alternate libpthread.
3183 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3185 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
3187 (Specific, mips-sgi-irix6): Likewise.
3189 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3191 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
3192 * configure: Regenerate.
3194 2012-03-07 Richard Henderson <rth@redhat.com>
3196 * config/m68k/m68k.h (ISA_HAS_TAS): New.
3197 * config/m68k/sync.md (atomic_test_and_set): Use it.
3198 (atomic_test_and_set_1): Likewise.
3200 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
3203 * Makefile.in: Let install-gcc-ar depend on installdirs,
3204 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
3205 Don't double canonicalize if cross-compiling.
3207 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3209 * trans-mem.c: New typedef for tm_region_p.
3210 Define vector types for tm_region_p.
3211 (tm_region_init): Replace region_worklist to a vector called
3214 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3217 * trans-mem.c (tm_region_init): Use last_basic_block.
3219 2012-03-05 Richard Henderson <rth@redhat.com>
3222 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
3223 * omp-low.c (expand_omp_atomic): Assume anything aligned to
3224 BIGGEST_ALIGNMENT is aligned.
3226 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
3228 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
3230 2012-03-05 Richard Henderson <rth@redhat.com>
3233 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
3234 instead of calling negqi2 directly.
3236 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3238 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
3239 (INTMAX_TYPE): Use it.
3240 (UINTMAX_TYPE): Likewise.
3241 (SUBTARGET_OVERRIDE_OPTIONS): Define.
3242 (irix6_c_common_override_options): Declare.
3243 (C_COMMON_OVERRIDE_OPTIONS): Define.
3244 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
3245 * config/mips/irix6-c.c: New file.
3246 * config/mips/t-irix6 (irix6-c.o): New target.
3247 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
3250 2012-03-02 Richard Henderson <rth@redhat.com>
3252 * optabs.c (expand_atomic_test_and_set): Honor
3253 atomic_test_and_set_trueval even when atomic_test_and_set
3254 optab is not in use.
3256 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3258 Backport from mainline
3259 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3261 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
3263 2012-03-02 Richard Guenther <rguenther@suse.de>
3265 * DEV-PHASE: Set to prerelease.
3267 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
3269 * config.gcc (obsolete): Add all ARM targets using the FPA.
3270 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
3271 * doc/install.texi: Avoid references to obsolete ARM ports.
3273 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
3275 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
3277 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
3278 Joern Rennecke <joern.rennecke@embecosm.com>
3280 * doc/extend.texi: Expand and update information on interrupt
3281 attribute for Epiphany.
3283 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3285 * config/sh/sh-protos.h: Update copyright notice dates.
3286 * config/sh/sh.h: Likewise.
3287 * config/sh/sh.md: Likewise.
3288 * config/sh/constraints.md: Likewise.
3289 * config/sh/predicates.md: Likewise.
3291 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3293 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
3294 * config/sh/sh.c (tertiary_reload_operand): Likewise.
3296 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3298 * config/sh/constraints.md: Fix comment typo.
3300 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3303 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
3304 unsigned HOST_WIDE_INT.
3305 (zvdep_imm64): Likewise.
3306 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
3307 (vdepi_and): Likewise.
3308 Likewise for unamed 64-bit patterns.
3309 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3311 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
3314 PR rtl-optimization/52417
3315 * cselib.c (cselib_any_perm_equivs): New variable.
3316 (cselib_reset_table): Check that it's not set when not
3317 preserving constants.
3318 (cselib_add_permanent_equiv): Set it.
3319 (cselib_have_permanent_equivalences): New.
3320 (cselib_init, cselib_finish): Reset it.
3321 * cselib.h (cselib_have_permanent_equivalences): Declare.
3322 * alias.c (get_addr): Restore earlier behavior when there
3323 aren't permanent equivalences.
3325 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
3327 * config/mn10300/mn10300-modes.def: Fix copyright notice.
3328 * config/v850/v850-modes.def: Fix copyright notice.
3330 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3332 * doc/extend.texi (AVR Built-in Functions): Document
3333 __builtin_avr_flash_segment.
3335 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3336 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3337 (*split.flash_segment): New insn-and-split.
3338 * config/avr/avr.c (avr_init_builtins): Add local variables:
3339 const_memx_void_node, const_memx_ptr_type_node,
3340 char_ftype_const_memx_ptr.
3342 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3344 PR tree-optimization/52445
3345 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3346 add ssa_name_ver, offset and size fields and change store field
3348 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3349 (add_or_mark_expr): Likewise. Only consider previous stores
3350 with the same size and offset.
3351 (nt_init_block): Only look at gimple_assign_single_p stmts,
3352 doesn't look at rhs2.
3354 2012-03-01 Richard Guenther <rguenther@suse.de>
3357 * tree-cfg.c (verify_gimple_assign_unary): Allow any
3358 conversions from integral types to pointer types.
3360 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3362 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3363 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3364 unintentionally removed in r184616.
3366 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3368 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3371 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3372 Uros Bizjak <ubizjak@gmail.com>
3375 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3376 alternatives, add "e" constraint to the new last alternative
3377 and ! to last 3 alternatives.
3379 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3381 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3382 DW_AT_artificial attributes at the end of the processing.
3383 (gen_array_type_die): Likewise.
3384 (gen_enumeration_type_die): Likewise.
3385 (gen_struct_or_union_type_die): Likewise.
3386 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3389 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3392 * expr.c (expand_assignment): If doing misaligned store that doesn't
3393 cover all mode bits, perform a RMW cycle.
3395 PR tree-optimization/52429
3396 * tree-parloops.c (separate_decls_in_region_debug): Return early
3397 if var is LABEL_DECL.
3399 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3401 PR tree-optimization/52424
3402 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3403 calling dom_thread_across_edge.
3405 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3407 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3409 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3411 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3412 * config/avr/avr.c (avr_output_bld): Remove unused function.
3413 (avr_out_sbxx_branch): Use "%T" to print bit position.
3415 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3417 * config/avr/avr.md: Untabify.
3419 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3421 * config/avr/avr.md (eqne): New code iterator.
3422 (*dec-and-branchsi): Use it in text peephole's condition.
3423 (*dec-and-branchhi): Ditto.
3424 (*dec-and-branchqi): Ditto.
3426 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3429 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3430 the device does not have the skip-bug.
3432 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3434 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3435 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3436 -mpretend-cmove): New.
3438 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3441 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3442 doesn't count DEBUG_INSN refs.
3443 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3444 for DEBUG_INSN refs.
3446 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3450 2012-02-20 Richard Guenther <rguenther@suse.de>
3451 PR tree-optimization/52298
3452 * tree-vect-stmts.c (vectorizable_load): Properly use
3453 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3456 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3459 * gimple.h (gimple_in_transaction): New.
3460 (gimple_set_in_transaction): New.
3461 (struct gimple_statement_base): Add in_transaction field.
3462 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3464 (tree_ssa_lim_initialize): Compute transaction bits.
3465 * tree.h (compute_transaction_bits): Protoize.
3466 * trans-mem.c (tm_region_init): Use the heap to store BB
3468 (compute_transaction_bits): New.
3470 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3472 * gcc.c (display_help): Document --help=common and sort entries
3475 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3477 * doc/install.texi: Document check-$LANG specific shortcuts
3479 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3482 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3484 * config/arm/arm_neon.h: Regenerate.
3485 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3486 (neon_vcgeu): New insn.
3487 (neon_vcgtu): Likewise.
3488 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3489 (ops): Unsigned comparison intrinsics call a different
3492 2012-02-28 Richard Guenther <rguenther@suse.de>
3495 * config/i386/i386.c (ix86_expand_vector_set): Fix element
3496 ordering for the VEC_CONCAT for two element vectors for
3497 V2SFmode, V2SImode and V2DImode.
3499 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3502 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3503 detecting big-endian triplets.
3505 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3507 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3508 mode if there is no type information available.
3510 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3513 * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
3514 (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
3515 * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk): Add node
3517 * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
3518 cgraph_add_thunk): Add node pointers.
3519 * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
3520 associated to right node.
3521 (input_node): Update use of cgraph_same_body_alias
3522 and cgraph_add_thunk.
3524 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3526 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3527 of initializer to changes from r184614.
3529 2012-02-28 Richard Guenther <rguenther@suse.de>
3531 PR tree-optimization/52395
3532 * tree-sra.c (build_ref_for_offset): Also look at the base
3533 TYPE_ALIGN when figuring out the alignment of the replacement.
3535 2012-02-28 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/52402
3538 * ipa-prop.c (ipa_modify_call_arguments): Properly use
3539 mis-aligned types when creating the accesses at the call site.
3541 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3543 * config/avr/builtins.def: New file.
3544 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3545 * config/avr/avr.c (enum avr_builtin_id): Use it.
3546 (avr_init_builtins): Use it. And use avr_bdesc.
3547 (bdesc_1arg): Remove.
3548 (bdesc_2arg): Remove.
3549 (bdesc_3arg): Remove.
3550 (struct avr_builtin_description): Add field n_args.
3551 (avr_bdesc): New static variable using builtins.def.
3552 (avr_expand_builtin): Use it.
3553 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3554 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3555 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3557 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3560 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3561 match only one single hard register with respective hard reg rtx.
3562 (movmemx_<mode>): Ditto.
3563 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3564 insn anatomy of movmem[x]_<mode>.
3565 (avr_out_movmem): Same for printing assembler and operand usage.
3567 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3571 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3572 address spaces located outside of device flash.
3574 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3575 (mcu_type_s): Add field n_flash.
3576 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3577 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3578 (AVR_MCU): Add N_FLASH argument.
3579 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3580 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3581 macro __FLASH<n> if that address space makes sense for the device.
3582 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3583 outside of target flash.
3584 (avr_asm_named_section): Ditto.
3585 (avr_asm_select_section): Ditto.
3586 (avr_addr_space_convert): Ditto.
3587 (avr_emit_movmemhi): Ditto.
3588 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3589 address space is outside of device flash.
3590 (avr_insert_attributes): Ditto.
3591 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3592 avr_current_arch->n_segments.
3594 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3597 * config/i386/i386.md (*movabs<mode>_1): Enable only for
3599 (*movabs<mode>_2): Likewise.
3601 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3604 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3605 s_register_operand in the test instead of REG_P. Don't call
3606 gen_reg_rtx if it won't be used.
3608 PR tree-optimization/52376
3609 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3611 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3613 * ifcvt.c (noce_get_condition): Check condition variable is not
3614 small_register_classes_for_mode_p before accepting.
3616 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3618 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3620 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3623 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3624 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3626 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3628 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3630 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3632 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3634 * config/sh/predicates.md: Remove blank lines.
3635 * config/sh/sh.c: Fix typos in comments.
3636 * config/sh/constraints.md: Likewise.
3637 * config/sh/sh.md: Remove blank lines.
3638 Fix typos in comments. Use ;; as comment characters.
3640 2012-02-26 Walter Lee <walt@tilera.com>
3642 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3643 (replace_mov_pcrel_step2): Ditto.
3645 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3648 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3649 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3650 and locs that reference values newer than the non-canonical value
3651 at hand. Return the canonical value as a worst case.
3652 (memrefs_conflict_p): Walk canonical value's locs.
3655 * cselib.c (preserve_only_constants): Rename to...
3656 (preserve_constants_and_equivs): ... this. Split out...
3657 (invariant_or_equiv_p): ... this. Preserve plus expressions
3658 of other preserved expressions too.
3659 (cselib_reset_table): Adjust.
3660 * var-tracking.c (reverse_op): Use canonical value to build
3663 2012-02-23 Kai Tietz <ktietz@redhat.com>
3665 * config/i386/i386.c (ix86_delegitimize_address): Handle
3666 UNSPEC_PCREL plus displacement.
3668 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3671 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3672 to test for unusedness in st X addressing.
3674 2012-02-24 Richard Guenther <rguenther@suse.de>
3677 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3678 (is_gimple_reg_type): Move inline ...
3679 * gimple.h (is_gimple_reg_type): ... here.
3681 2012-02-24 Richard Guenther <rguenther@suse.de>
3684 * passes.c (execute_function_todo): When verifying SSA form
3685 verify gimple form first.
3686 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3688 2012-02-24 Richard Guenther <rguenther@suse.de>
3691 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3692 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3694 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3696 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3698 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3700 * tree-phinodes.c (make_phi_node): Mark static.
3701 * tree-flow.h (make_phi_node): Remove extern decl.
3702 * doc/gimple.texi (make_phi_node): Remove documentation.
3704 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3706 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3707 * tree-ssa-sccvn.c (print_scc): Ditto.
3709 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3711 * doc/passes.texi (Full redundancy elimination): Fix typo.
3713 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3715 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3717 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3720 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3722 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3725 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3727 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3729 * config/avr/avr.md (code_stdname): Add ior, xor.
3730 (xior): New code iterator.
3731 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3732 (*<code_stdname><mode>qi.byte1-3): Ditto.
3734 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3736 PR tree-optimization/52019
3737 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3740 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3742 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3743 HAVE_INITFINI_ARRAY to work around namespace pollution in
3744 certain versions of newlib system headers.
3745 * config.in: Regenerate.
3746 * configure: Regenerate.
3747 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3748 instead of HAVE_INITFINI_ARRAY.
3750 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3753 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3754 is not offsettable memory reference.
3756 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3759 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3760 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3762 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3764 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3765 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3767 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3769 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3770 library on Solaris 8 even without TLS support.
3771 * configure: Regenerate.
3773 2012-02-22 Richard Guenther <rguenther@suse.de>
3776 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3777 for GIMPLE_DEBUG stmts.
3779 2012-02-22 Martin Jambor <mjambor@suse.cz>
3782 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3783 according to the base object.
3785 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3787 PR rtl-optimization/50063
3788 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3789 and 2 (8-bit SP) in operand 2.
3790 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3791 setup to use movhi_sp_r instead of vanilla move to write SP.
3792 Adjust REG_CFA notes to superseed unspec.
3793 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3795 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3796 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3797 irq_state 1 (IRQ known to be on) here.
3799 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3801 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3803 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3804 assign_hard_reg): Likewise.
3806 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3808 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3810 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3813 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3814 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3816 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3818 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3819 prototype from here to...
3820 * config/avr/avr.h: ...here.
3822 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3825 * thumb2.md (thumb2_shiftsi3_short): Split register and
3826 immediate shifts. For register shifts tie operands 0 and 1.
3827 (peephole2 for above): Check that register-controlled shifts
3828 have suitably tied operands.
3830 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3833 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3834 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3835 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3836 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3837 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3838 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3839 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3840 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3841 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3842 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3843 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3844 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3845 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3846 bdver1_ssevector_avx256_unaligned_load,
3847 bdver1_ssevector_sse128_unaligned_load,
3848 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3849 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3850 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3851 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3852 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3853 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3854 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3855 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3856 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3857 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3858 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3859 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3860 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3861 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3862 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3863 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3864 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3865 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3866 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3867 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3868 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3869 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3870 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3871 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3872 bdver1_ssediv_double_load, bdver1_ssediv_double,
3873 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3874 Add "bdver2" attribute.
3876 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3878 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3879 default if possible and not specified otherwise.
3881 2012-02-21 Richard Guenther <rguenther@suse.de>
3884 * gimplify.c (create_tmp_from_val): Use the main variant type
3885 for the type of the temporary we create.
3887 2012-02-21 Richard Guenther <rguenther@suse.de>
3889 PR tree-optimization/52324
3890 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3891 do not gimplify a MEM_REF address operand if it is already
3894 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3896 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3897 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3899 2012-02-21 Richard Guenther <rguenther@suse.de>
3901 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3902 nested_in_vect_loop.
3904 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3906 PR tree-optimization/52318
3907 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3908 vdef also to non-pure/const call stmts in the sequence.
3910 2012-02-20 David S. Miller <davem@davemloft.net>
3912 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3913 don't use the "rd %pc" instruction on v9 for PIC register loads.
3915 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3918 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3919 in a transaction safe function.
3921 2012-02-20 Kai Tietz <ktietz@redhat.com>
3924 * stor-layout.c (place_field): Handle desired_align for
3927 2012-02-20 Richard Guenther <rguenther@suse.de>
3929 PR tree-optimization/52298
3930 * tree-vect-stmts.c (vectorizable_store): Properly use
3931 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3933 (vectorizable_load): Likewise.
3934 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3935 Access DR_STEP after ensuring it is not NULL.
3937 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3939 PR tree-optimization/52286
3940 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3941 optimization use double_int_to_tree instead of build_int_cst_wide,
3942 rewrite to use double_int vars.
3944 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3947 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3949 Remove -e 0 from $gcc_cv_ld invocation.
3950 Only use __GLIBC_PREREQ if defined.
3951 Enable on Solaris since Solaris 8 patch.
3952 (gcc_SUN_LD_VERSION): New macro.
3953 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3954 gcc_SUN_LD_VERSION for version number format.
3955 * configure: Regenerate.
3956 * varasm.c (get_elf_initfini_array_priority_section): Set
3957 SECTION_NOTYPE for non-default priority.
3958 Use get_section instead of get_unnamed_section to emit
3959 .init_array/.fini_array with default priority.
3961 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3963 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3964 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3965 (mips_start_unique_function, mips_output_mips16_rdhwr)
3966 (mips_code_end): New functions.
3967 (TARGET_ASM_CODE_END): Define.
3969 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3971 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3972 to stubs with non-sibling calls.
3974 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3976 * doc/invoke.texi (-fira-* options): Copy-edit.
3977 (ira-* parameters): Copy-edit.
3979 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3981 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3982 GCC coding conventions.
3984 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3986 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3987 when used as adjectives.
3989 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3991 * doc/invoke.texi: Clean up "that"/"which" confusion.
3993 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3995 * system.h: Poison SMALL_REGISTER_CLASSES
3996 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3997 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3999 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4001 PR tree-optimization/52285
4002 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
4003 when deciding if a call is a tail call or tail recursion.
4005 2012-02-16 Kai Tietz <ktietz@redhat.com>
4007 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
4008 interger-constant displacement for UNSPEC_PCREL.
4010 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4012 PR rtl-optimization/52208
4013 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
4014 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
4016 PR tree-optimization/52255
4017 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
4018 loop->header has virtual PHI, but exit_e->dest doesn't, add
4019 virtual PHI to exit_e->dest and adjust all uses after the loop.
4022 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
4023 children with clone_tree_hash, not after it.
4025 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
4027 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
4028 extended identifiers.
4030 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4033 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
4034 a same_body_alias, also test whether e->callee isn't a former
4035 or current clone of the decl this is a same body alias of.
4037 PR translation/52264
4038 * cgraphunit.c (verify_cgraph_node): Fix a typo.
4040 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
4042 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
4044 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
4047 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
4048 force_reg instead of copy_to_reg for better optimization. Force
4049 non-register or memory operands into a register.
4051 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
4053 * extend.texi: Reserve upper bits of memory model for future use.
4055 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
4056 Anatoly Sokolov <aesok@post.ru>
4057 Eric Weddington <eric.weddington@atmel.com>
4060 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
4061 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
4062 Rewrite initializers for .macro.
4063 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
4064 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
4065 atxmega32d4, atxmega32x1.
4066 avrxmega4: atxmega64a3, atxmega64d3.
4067 avrxmega5: atxmega64a1, atxmega64a1u.
4068 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
4069 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
4070 avrxmega7: atxmega128a1, atxmega128a1u.
4071 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
4072 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
4073 (struct base_arch_s): Rename reserved to xmega_p.
4074 Rename reserved2 to have_rampd.
4075 (AVR_XMEGA): New define.
4076 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
4077 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
4078 * config/avr/predicates.md (io_address_operand): Take into
4080 (low_io_address_operand): Ditto.
4081 (high_io_address_operand): Ditto.
4082 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
4083 (enabled, movhi_sp_r): Use them.
4084 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
4085 cpp_define_formatted to built-in define __AVR_ARCH__.
4086 (__AVR_XMEGA__): New built-in define.
4087 (__AVR_HAVE_RAMPD__): New built-in define.
4088 (__AVR_HAVE_RAMPX__): New built-in define.
4089 (__AVR_HAVE_RAMPY__): New built-in define.
4090 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
4092 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
4093 (avr_option_override): Initialize them.
4094 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
4095 (avr_init_expanders): Initialize them. No more block several calls.
4096 (emit_push_sfr): New static function.
4097 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
4099 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
4100 (avr_print_operand): Print addreeses as symbols for
4101 RAMPX, RAMPY, RAMPD, CCP.
4102 (output_movhi): Handle AVR_XMEGA when writing to SP.
4103 (avr_out_movhi_mr_r_xmega): New static function.
4104 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
4105 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
4106 __RAMPD__, __CCP__ as needed.
4108 * config/avr/multilib.h: Regenerate.
4109 * config/avr/t-multilib: Regenerate.
4110 * config/avr/avr-tables.opt: Regenerate.
4112 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
4114 PR tree-optimization/50561
4115 * graphite-flattening.c (lst_project_loop): Do not
4116 remove old scattering dimensions after flattening.
4117 (lst_do_flatten): Likewise.
4119 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
4121 * doc/extend.texi (AVR Built-in Functions): Remove doc for
4122 __builtin_avr_map8, __builtin_avr_map16.
4123 Document __builtin_avr_insert_bits.
4125 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
4126 (insert_bits): New insn.
4127 (adjust_len.map_bits): Rename to insert_bits.
4128 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
4129 * avr-protos.h (avr_out_map_bits): Remove.
4130 (avr_out_insert_bits, avr_has_nibble_0xf): New.
4131 * config/avr/constraints.md (Cxf,C0f): New.
4132 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
4133 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
4134 New built-in define __BUILTIN_AVR_INSERT_BITS.
4135 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
4136 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
4137 (avr_move_bits): Rewrite.
4138 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
4140 (avr_map_op_t): New typedef.
4141 (avr_map_op): New static variable.
4142 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
4143 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
4144 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
4145 (bdesc_3arg, avr_expand_triop_builtin): New.
4146 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
4147 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
4148 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
4149 (avr_map_equal_p, avr_map_sig_p): Remove.
4150 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
4151 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4152 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
4153 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4154 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
4155 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4157 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4159 * config/c6x/c6x.md (reserve_cycles): New attribute.
4160 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
4161 don't reserve functional units after the branch occurs.
4163 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
4166 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
4167 functions into non-tm_pure functions.
4169 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
4172 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
4173 (iterative_hash_canonical_type): Likewise.
4174 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
4177 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4179 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4180 sched-group insn, it either remains alone or the entire list is pruned.
4182 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4184 * doc/install.texi (Prerequisites): Fix grammar.
4185 (Configuration): Likewise.
4187 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4189 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4190 MPC as part of GCC before describing configuring with --with-gmp etc.
4191 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
4192 sources are present.
4194 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4197 * dwarf2out.c (clone_tree_hash): New function.
4198 (copy_decls_walk): Use it instead of clone_tree.
4200 2012-02-14 Richard Guenther <rguenther@suse.de>
4202 PR tree-optimization/52244
4203 PR tree-optimization/51528
4204 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
4205 replacements for integral types.
4207 2012-02-14 Walter Lee <walt@tilera.com>
4209 * config.gcc: Handle tilegx and tilepro.
4210 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
4212 Add HAVE_AS_TLS check for tilegx and tilepro.
4213 * configure: Regenerate.
4214 * doc/contrib.texi: Add Mat Hostetter and self.
4215 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
4216 Document instruction intrinsics and network accessing intrinsics.
4217 (TILEPro Built-in Functions): New node. Document instruction
4218 intrinsics and network accessing intrinsics.
4219 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
4220 (Specific, tilepro-*-linux*): Likewise.
4221 * doc/invoke.texi (TILE-Gx Options): New section.
4222 (TILEPro Options): New section.
4223 * doc/md.texi (TILE-Gx): New section.
4224 (TILEPro): New section.
4225 * common/config/tilegx/tilegx-common.c: New file.
4226 * common/config/tilepro/tilepro-common.c: New file.
4227 * config/tilegx/constraints.md: New file.
4228 * config/tilegx/linux.h: New file.
4229 * config/tilegx/mul-tables.c: New file.
4230 * config/tilegx/predicates.md: New file.
4231 * config/tilegx/sync.md: New file.
4232 * config/tilegx/t-tilegx: New file.
4233 * config/tilegx/tilegx-builtins.h: New file.
4234 * config/tilegx/tilegx-c.c: New file.
4235 * config/tilegx/tilegx-generic.md: New file.
4236 * config/tilegx/tilegx-modes.def: New file.
4237 * config/tilegx/tilegx-multiply.h: New file.
4238 * config/tilegx/tilegx-protos.h: New file.
4239 * config/tilegx/tilegx.c: New file.
4240 * config/tilegx/tilegx.h: New file.
4241 * config/tilegx/tilegx.md: New file.
4242 * config/tilegx/tilegx.opt: New file.
4243 * config/tilepro/constraints.md: New file.
4244 * config/tilepro/gen-mul-tables.cc: New file.
4245 * config/tilepro/linux.h: New file.
4246 * config/tilepro/mul-tables.c: New file.
4247 * config/tilepro/predicates.md: New file.
4248 * config/tilepro/t-tilepro: New file.
4249 * config/tilepro/tilepro-builtins.h: New file.
4250 * config/tilepro/tilepro-c.c: New file.
4251 * config/tilepro/tilepro-generic.md: New file.
4252 * config/tilepro/tilepro-modes.def: New file.
4253 * config/tilepro/tilepro-multiply.h: New file.
4254 * config/tilepro/tilepro-protos.h: New file.
4255 * config/tilepro/tilepro.c: New file.
4256 * config/tilepro/tilepro.h: New file.
4257 * config/tilepro/tilepro.md: New file.
4258 * config/tilepro/tilepro.opt: New file.
4260 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4262 PR tree-optimization/52210
4263 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
4264 vect_model_simple_cost with two entry vect_def_type array instead
4265 of an address of dt.
4267 2012-02-14 Richard Guenther <rguenther@suse.de>
4270 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
4271 Do not stream DECL_QUALIFIER.
4272 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
4273 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
4274 (find_decls_types_r): Do not walk DECL_QUALIFIER.
4276 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4279 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
4282 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4285 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
4286 * cselib.c (cselib_subst_to_values_from_insn): New function.
4287 * sched-deps.c (add_insn_mem_dependence,
4288 sched_analyze_1, sched_analyze_2): Use it.
4290 2012-02-13 Jan Hubicka <jh@suse.cz>
4293 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
4295 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
4297 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
4298 (GTM_SELF_SPECS): Define if not already defined.
4299 (driver_self_specs): Add GTM_SELF_SPECS.
4300 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
4301 (GTM_SELF_SPECS): Define.
4302 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
4303 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
4305 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4307 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
4310 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
4313 * omp-low.c (expand_omp_for): If a static schedule without chunk size
4314 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
4316 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
4319 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4321 2012-02-13 Richard Guenther <rguenther@suse.de>
4323 PR translation/52211
4324 * passes.c (enable_disable_pass): Fix typo.
4326 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4329 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4330 XOR for reduce_bit_field if type is unsigned.
4332 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
4334 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4335 disallow changes from SFmode to mode with different size in FP regs.
4337 2012-02-12 Robert Millan <rmh@gnu.org>
4338 Gerald Pfeifer <gerald@pfeifer.com>
4340 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4343 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
4345 PR rtl-optimization/52175
4346 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4347 to frame-related instructions.
4349 2012-02-10 Jason Merrill <jason@redhat.com>
4352 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4353 (demangle_new_symbols): Fill it.
4354 (scan_linker_output): Walk it.
4355 (start_tweaking): Split out from scan_linker_output.
4356 (maybe_tweak): Update sym->chosen.
4357 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4359 2012-02-11 Jakub Jelinek <jakub@redhat.com>
4362 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4364 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
4366 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4367 having the same mode as previous compare.
4369 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4371 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4372 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4373 (nonlocal_goto_internal): Likewise.
4374 (nonlocal_goto): Emit a use and an indirect jump directly.
4376 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4379 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4380 __atomic_{is,always}_lock_free.
4382 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4385 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4386 negative constant address for x32.
4388 2012-02-10 Richard Henderson <rth@redhat.com>
4390 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4391 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4392 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4394 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4395 Ira Rosen <irar@il.ibm.com>
4397 PR tree-optimization/50031
4398 * targhooks.c (default_builtin_vectorization_cost): Handle
4400 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4401 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4402 all types of reduction and pattern statements.
4403 (vect_estimate_min_profitable_iters): Likewise.
4404 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4405 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4406 for explicit realigns.
4407 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4408 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4410 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4411 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4412 vec_perm for VSX and handle vec_promote_demote.
4414 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4417 * builtins.c (fold_builtin_atomic_always_lock_free,
4418 expand_builtin_atomic_always_lock_free,
4419 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4420 Return and/or test boolean_true_node/boolean_false_node instead of
4421 integer_one_node/integer_zero_node.
4423 2012-02-10 Jan Hubicka <jh@suse.cz>
4426 * predict.c (predict_paths_for_bb): Prevent looping.
4427 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4429 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4431 * config/arm/arm.c (output_move_double): In one case properly
4432 count number of instructions that will be emitted.
4434 2012-02-10 Richard Guenther <rguenther@suse.de>
4436 PR translation/52193
4437 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4439 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4442 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4444 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4447 * var-tracking.c (emit_note_insn_var_location): If
4448 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4449 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4450 non-NOTE_DURING_CALL_P insn.
4452 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4455 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4457 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4460 * gcc.c (switch_matches) Support switches with separated form,
4463 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4465 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4467 (RAMPZ_ADDR): Ditto.
4468 * config/avr/avr.c (avr_addr_t): New typedef.
4469 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4470 (avr_init_expanders): Initialize it.
4471 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4473 (expand_epilogue): Ditto.
4474 (avr_print_operand): Ditto.
4475 (avr_file_start): Ditto.
4476 (avr_emit_movmemhi): Ditto.
4478 2012-02-08 Richard Guenther <rguenther@suse.de>
4480 PR tree-optimization/46886
4481 * tree-flow.h (do_while_loop_p): Declare.
4482 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4483 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4485 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4487 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4488 always succeed for integers larger than a native word.
4490 2012-02-08 Richard Guenther <rguenther@suse.de>
4492 PR rtl-optimization/52170
4493 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4494 properly handle integer vector modes.
4496 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4498 PR gcov-profile/52150
4499 * coverage.c: Include target.h.
4500 (build_var): Call targetm.strip_name_encoding on the assembler name.
4501 Change one _ into . or $ if the target allows it.
4502 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4504 PR rtl-optimization/52139
4505 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4506 is a BARRIER after emit_insn_after_noloc, move BB_END
4507 to the last non-BARRIER insn before it.
4509 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4512 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4513 (mips_gimplify_va_arg_expr): Call it instead of
4514 std_gimplify_va_arg_expr.
4516 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
4518 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4519 message for -mno-pointers-to-nested-function.
4521 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4524 * expr.c (get_inner_reference): If there is an offset, add a negative
4525 bit position to it (if any).
4527 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4529 PR rtl-optimization/52060
4530 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4531 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4532 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4533 and/or i0src_copy2 when needed.
4535 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4537 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4538 or LTOPLUGINSONAME if have_c.
4540 * config/freebsd-spec.h: Add comment about what macros can be defined
4542 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4543 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4546 2012-02-07 Richard Guenther <rguenther@suse.de>
4548 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4549 newline in -alias dumps.
4551 2012-02-07 Kai Tietz <ktietz@redhat.com>
4552 Dave Korn <dave.korn.cygwin@gmail.com>
4555 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4556 Take care that typinfo gets dllexport-attribute.
4558 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4561 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4562 if modifier < EXPAND_SUM call force_operand on the result.
4564 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4566 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4567 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4569 (epiphany_function_type): Replace types for specific interrupts with
4570 EPIPHANY_FUNCTION_INTERRUPT.
4571 (EPIPHANY_INTERRUPT_P): Update.
4572 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4573 New static function.
4574 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4575 <disinterrupt>: Affects type identity.
4576 (epiphany_handle_interrupt_attribute): Handle variable number of
4578 (epiphany_compute_function_type): Update for new
4579 epiphany_function_type definition.
4580 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4581 handlers with a longcall forwarder.
4582 (epiphany_start_function): Handle multiple interrupt arguments and/or
4583 forwarder_section attribute.
4585 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4588 2012-02-07 Alan Modra <amodra@gmail.com>
4591 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4594 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4596 PR tree-optimization/50969
4597 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4598 use vec_perm rather than vector_stmt.
4599 (vect_model_load_cost): Likewise.
4600 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4601 vec_perm to be the same as other vector statements.
4602 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4603 cost of vec_perm for TARGET_VSX.
4605 2012-02-06 Richard Guenther <rguenther@suse.de>
4607 PR tree-optimization/52115
4608 * tree-sra.c (access_has_replacements_p): New function.
4609 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4611 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4614 * trans-mem.c (expand_call_tm): Add an assertion.
4615 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4618 2012-02-06 Richard Guenther <rguenther@suse.de>
4620 PR tree-optimization/50955
4621 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4622 raise cost of expressions that replace an address with an
4623 expression based on a different pointer.
4625 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4628 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4629 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4631 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4634 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4635 -Weffc++ and specify guidelines come from second edition.
4637 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4639 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4640 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4641 (call_direct_split, call_value_split, call_value_internal_direct)
4642 (call_value_direct_split, call_value_multiple_split): Use jal and
4643 jal_macro attributes.
4645 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4647 * reload1.c (reload_regs_reach_end_p): Replace with...
4648 (reload_reg_rtx_reaches_end_p): ...this function.
4649 (new_spill_reg_store): Update commentary.
4650 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4651 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4652 before setting new_spill_reg_store.
4653 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4654 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4655 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4656 for non-spill reload registers.
4658 2012-02-05 Ira Rosen <irar@il.ibm.com>
4660 PR tree-optimization/52091
4661 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4662 (vect_is_simple_use_1): Likewise.
4663 * tree-vect-loop.c (vectorizable_reduction): Update calls
4664 to vect_is_simple_use_1 and vect_is_simple_use.
4665 (vectorizable_live_operation): Likewise.
4666 * tree-vect-patterns.c (widened_name_p,
4667 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4668 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4669 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4670 vectorizable_shift,vectorizable_operation, vectorizable_store,
4671 vectorizable_load): Likewise.
4672 (vect_is_simple_cond): Add an argument, pass it to
4673 vect_is_simple_use_1.
4674 (vectorizable_condition): Update calls to vect_is_simple_cond,
4676 (vect_is_simple_use): Add an argument, the statement in which
4677 OPERAND is used. Check that if OPERAND's def stmt is a double
4678 reduction phi node, the use is a phi node too.
4679 (vect_is_simple_use_1): Add an argument, pass it to
4681 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4682 to vect_is_simple_use.
4684 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4686 PR rtl-optimization/52095
4687 * modulo-sched.c (dump_insn_locator): New function.
4688 (loop_canon_p, sms_schedule): Use it.
4690 PR rtl-optimization/52113
4691 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4692 even for decomposable shift/zext insns.
4694 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4695 Zdenek Dvorak <ook@ucw.cz>
4697 PR rtl-optimization/52092
4698 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4699 on get_iv_value result.
4701 2012-02-02 Andrew Pinski <apinski@cavium.com>
4705 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4707 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4710 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4712 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4714 PR rtl-optimization/49800
4715 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4716 (sched_finish): Call regstat_free_n_sets_and_refs.
4718 2012-02-02 Jia Liu <proljc@gmail.com>
4720 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4723 2012-02-02 Jan Hubicka <jh@suse.cz>
4724 Tom de Vries <tom@codesourcery.com>
4727 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4728 * varpool.c (varpool_analyze_pending_decls): Likewise.
4730 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4731 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4733 * config.gcc: Add cr16-* support.
4735 * doc/extend.texi: Document cr16 extensions.
4736 * doc/install.texi: Document cr16 install.
4737 * doc/invoke.texi: Document cr16 options.
4738 * doc/md.texi: Document cr16 constraints.
4740 * common/config/cr16/cr16-common.c: New file.
4741 * config/cr16/cr16.c: New file.
4742 * config/cr16/cr16.h: New file.
4743 * config/cr16/cr16.md: New file.
4744 * config/cr16/cr16.opt: New file.
4745 * config/cr16/cr16-protos.h: New file.
4746 * config/cr16/predicates.md: New file.
4747 * config/cr16/constraints.md: New file.
4748 * config/cr16/t-cr16: New file.
4750 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4753 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4754 that operands[2] is either immediate, or q_regs_operand.
4756 PR tree-optimization/52073
4757 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4758 a pattern stmt for pattern uses, ignore uses outside of the loop.
4760 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4762 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4763 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4764 (OUT_AS1, OUT_AS2): Remove.
4766 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4768 PR rtl-optimization/51374
4769 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4770 to cross other volatile_refs_p insns.
4772 2012-02-01 Richard Guenther <rguenther@suse.de>
4774 * doc/invoke.texi (fno-inline): Clarify documentation.
4775 (finline-small-functions): Likewise.
4776 (finline-functions): Likewise.
4777 * common.opt (finline): Adjust comment and documentation.
4778 (finline-small-functions): Clarify documentation.
4779 (finline-functions): Likewise.
4780 (finline-functions-called-once): Likewise.
4782 2012-02-01 Tristan Gingold <gingold@adacore.com>
4784 * c-typeck.c (composite_type): Keep mode for pointers.
4786 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4788 * function.h (regno_reg_rtx): Adjust comment.
4789 * reginfo.c (init_reg_modes_target): Only use the previous mode
4790 if it fits within one register. Remove MIPS comment.
4792 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4795 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4797 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4799 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4800 to srak instruction.
4802 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4804 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4806 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4811 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4813 2012-01-31 Richard Guenther <rguenther@suse.de>
4815 PR tree-optimization/51528
4816 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4819 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4824 * ree.c (add_removable_extension): Change def_map argument
4825 to unsigned *, store in def_map 1 + offset into *insn_list vector
4826 instead of pointers into the vector.
4827 (find_removable_extensions): Adjust caller.
4829 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4831 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4832 Transform all "* quoted-c-code" to { c-code }.
4833 Remove redundant test for "optimize" in combine patterns.
4834 Move (include "avr-dimode.md") to end of file.
4836 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4839 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4840 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4842 2012-01-30 Richard Guenther <rguenther@suse.de>
4844 PR tree-optimization/52028
4845 * tree-loop-distribution.c (ldist_gen): Properly update
4848 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4851 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4852 set_cur_line_info_table if not emitting debug info.
4854 PR tree-optimization/52046
4855 * tree-vect-patterns.c (check_bool_pattern): Give up if
4856 a comparison could throw.
4859 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4861 2012-01-30 Richard Guenther <rguenther@suse.de>
4863 PR tree-optimization/52045
4864 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4865 SSA form if cfgcleanup did anything.
4867 2012-01-30 Richard Guenther <rguenther@suse.de>
4869 PR tree-optimization/52045
4870 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4871 before computing final todo.
4873 2012-01-30 Richard Guenther <rguenther@suse.de>
4875 PR tree-optimization/51528
4876 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4879 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4881 * df-problems.c (df_kill_notes): Check that the use refers
4882 to the note under examination.
4884 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4887 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4888 parameter and use short-lived pseudos.
4889 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4890 (sparc_expand_vector_init): Const-ify local variables and adjust
4891 calls to above functions.
4893 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4895 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4897 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4899 * doc/invoke.texi: Make usage of "compile time" and
4900 "run time"/"runtime" consistent throughout the file.
4902 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4904 * config/alpha/alpha.c (alpha_option_override): Default to
4905 full IEEE compliance mode for Go language.
4907 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4909 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4910 (LINK_SSP_SPEC): Define.
4912 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4915 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4918 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4920 * doc/invoke.texi: Correct hyphenation of "floating point",
4921 "double precision", and related terminology throughout the file.
4923 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4926 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4927 arm_general_register_operand predicate for operand 2 instead of
4930 2012-01-27 Ian Lance Taylor <iant@google.com>
4933 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4934 * builtins.c (expand_builtin_init_trampoline): Add onstack
4935 parameter. Change caller.
4936 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4937 * tree.c (build_common_builtin_nodes): Declare
4938 __builtin_init_heap_trampoline.
4940 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4942 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4943 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4944 * config/avr/avr.c: Ditto.
4945 (avr_regnames): Remove because unused.
4946 * config/avr/avr.md (*cpse.ne): New peephole.
4947 (*cpse.eq): New peephole from former cpse peepholes.
4949 2012-01-27 Michael Eager <eager@eagercon.com>
4951 * config/microblaze.c (microblaze_emit_compare): Correct
4952 test after pcmp instruction.
4954 2012-01-27 Richard Guenther <rguenther@suse.de>
4956 PR tree-optimization/52020
4957 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4959 2012-01-27 Richard Guenther <rguenther@suse.de>
4961 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4962 function non-const/pure.
4964 2012-01-27 Richard Guenther <rguenther@suse.de>
4966 PR tree-optimization/50444
4967 * tree-sra.c (build_ref_for_offset): Properly adjust the
4968 MEM_REF type for unaligned accesses.
4970 2012-01-27 Richard Guenther <rguenther@suse.de>
4972 PR tree-optimization/50444
4973 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4974 (expand_assignment): Use it. Properly handle misaligned
4975 bases when expanding stores to component references.
4976 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4979 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4982 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4983 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4984 * tree-data-ref.c (find_data_references_in_loop): Make static.
4985 (compute_all_dependences): Change return type to bool. Bail out
4986 for too many datarefs in a loop. Move the hunk resetting the data
4987 dependences vector from ...
4988 (compute_data_dependences_for_loop): ... here. Account for
4989 compute_all_dependences returning false.
4990 (compute_data_dependences_for_bb): Likewise.
4991 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4992 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4994 2012-01-27 Richard Guenther <rguenther@suse.de>
4997 * expr.c (store_field): Use the alias-set of the scratch memory
5000 2012-01-27 Tom de Vries <tom@codesourcery.com>
5002 PR tree-optimization/51990
5003 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
5005 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
5007 2012-01-27 Jakub Jelinek <jakub@redhat.com>
5010 * var-tracking.c (reverse_op): Don't add any reverse operation
5011 if V already has any constant locations.
5013 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5015 * doc/invoke.texi: Correct usage of "command line" (noun)
5016 vs "command-line" (adjective) throughout.
5018 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5020 * doc/invoke.texi (Language Independent Options): Move
5021 -Wcoverage-mismatch blurb from here....
5022 (Warning Options): ...to here.
5024 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
5026 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5027 Set rs6000_always_hint to false for 476.
5029 2012-01-27 Matthias Klose <doko@ubuntu.com>
5031 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
5033 * incpath.c (add_standard_paths): Likewise.
5035 2012-01-27 Richard Henderson <rth@redhat.com>
5037 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5038 * config/m68k/sync.md (atomic_test_and_set): Rename from
5039 sync_test_and_setqi and adjust the operands.
5040 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
5041 and unconditionally enable.
5043 2012-01-27 Richard Henderson <rth@redhat.com>
5045 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5046 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
5047 (ldstub): Rename from ldstubqi.
5048 (ldstub<I24MODE>): Remove.
5050 2012-01-27 Richard Henderson <rth@redhat.com>
5052 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5053 * c-cppbuiltin.c (cpp_atomic_builtins): Define
5054 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
5055 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
5056 * doc/tm.texi: Rebuild.
5058 2012-01-27 Richard Henderson <rth@redhat.com>
5060 * optabs.c (gen_atomic_test_and_set): Remove default.
5061 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5063 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5065 PR rtl-optimization/51978
5066 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
5067 (combine_reaching_defs): Likewise.
5068 (struct re_info): Remove.
5069 (add_removable_extension): Remove x and data arguments,
5070 add insn, insn_list and def_map. Use the arguments directly
5071 instead of using struct re_info.
5072 (find_removable_extensions): Don't call add_removable_extension
5073 through note_stores, instead just call it with single_set
5075 (find_and_remove_re): Pass curr_cand->expr instead of
5076 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
5078 2012-01-26 Michael Matz <matz@suse.de>
5080 PR tree-optimization/46590
5081 * cfgexpand.c: Revert last change (r183305).
5082 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
5084 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
5085 checking for emptiness.
5087 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5090 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
5091 non-addressable non-BLKmode base correctly.
5093 2012-01-26 Michael Matz <matz@suse.de>
5095 PR tree-optimization/48794
5096 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
5097 regions referenced from RESX/EH_DISPATCH.
5099 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5101 * config/s390/s390.h: Make BRANCH_COST an option.
5102 * config/s390/s390.opt: New option -mbranch-cost.
5104 2012-01-26 Richard Henderson <rth@redhat.com>
5106 Revert 2012-01-24 change:
5107 * trans-mem.c (requires_barrier): Do not instrument thread local
5108 variables and emit save/restore for them.
5110 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5113 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
5116 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
5118 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
5121 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
5124 Rename __pgm to __flash.
5125 Rename __pgm1 to __flash1.
5126 Rename __pgm2 to __flash2.
5127 Rename __pgm3 to __flash3.
5128 Rename __pgm4 to __flash4.
5129 Rename __pgm5 to __flash5.
5130 Rename __pgmx to __memx.
5131 * doc/extend.texi (AVR Named Address Spaces)
5132 Rename address space names as indicated above.
5133 * config/avr/avr.c (avr_addrspace): Ditto.
5135 * config/avr/avr-protos.h
5136 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
5137 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
5138 * config/avr/predicates.md: Ditto.
5139 * config/avr/avr.c Ditto, and
5140 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
5141 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
5143 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
5144 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
5145 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
5146 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
5147 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
5148 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
5149 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
5150 * config/avr/avr.c: Ditto.
5151 * config/avr/avr.md: Ditto.
5153 2012-01-25 Jason Merrill <jason@redhat.com>
5156 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5158 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5160 PR tree-optimization/51987
5161 * tree-data-ref.c (get_references_in_stmt): Handle references in
5162 non-volatile GIMPLE_ASM.
5164 2012-01-25 Richard Guenther <rguenther@suse.de>
5166 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
5167 bases are dereferenced.
5169 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5171 PR rtl-optimization/48374
5172 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
5174 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5176 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
5177 compute_data_dependences_for_loop returns false.
5178 * tree-parloops.c (loop_parallel_p): Likewise.
5180 2012-01-25 Richard Guenther <rguenther@suse.de>
5182 * tree.h (get_pointer_alignment_1): Declare.
5183 * builtins.c (get_pointer_alignment_1): New function.
5184 (get_pointer_alignment): Use it.
5186 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5188 PR rtl-optimization/48308
5189 * combine.c (enum undo_kind): Add UNDO_LINKS.
5190 (struct undo): Add member l to other_contents and where.
5191 (do_SUBST_LINK): New.
5193 (try_combine): Handle LOG_LINKS for the dummy i1 case.
5194 (undo_all): Handle UNDO_LINKS.
5196 2012-01-25 Richard Henderson <rth@redhat.com>
5198 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
5201 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5203 * optabs.c (gen_atomic_test_and_set): Use each argument.
5205 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5207 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
5208 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
5209 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
5210 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
5211 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
5212 TARGET_PAIRED_SINGLE_FLOAT.
5214 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5216 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5217 (in_struct, return_val): Remove MEM documentation.
5218 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
5219 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5220 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
5222 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5223 * cfgexpand.c (add_alias_set_conflicts): Likewise.
5224 * expr.c (store_field): Likewise.
5225 * function.c (assign_stack_temp_for_type): Likewise.
5226 * ifcvt.c (noce_try_cmove_arith): Likewise.
5227 * reload1.c (reload): Likewise.
5228 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
5229 (alpha_set_memflags): Likewise.
5230 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
5232 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5234 * rtl.h (true_dependence, canon_true_dependence): Remove varies
5236 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
5237 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
5238 (true_dependence_1, true_dependence, canon_true_dependence): Remove
5240 * cselib.c (cselib_rtx_varies_p): Delete.
5241 (cselib_invalidate_mem): Update call to canon_true_dependence.
5242 * dse.c (record_store, check_mem_read_rtx): Likewise.
5243 (scan_reads_nospill): Likewise.
5244 * cse.c (check_dependence): Likewise.
5245 (cse_rtx_varies_p): Delete.
5246 * expr.c (safe_from_p): Update call to true_dependence.
5247 * ira.c (validate_equiv_mem_from_store): Likewise.
5248 (memref_referenced_p): Likewise.
5249 * postreload-gcse.c (find_mem_conflicts): Likewise.
5250 * sched-deps.c (sched_analyze_2): Likewise.
5251 * store-motion.c (load_kills_store): Likewise.
5252 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
5253 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5254 (compute_transp): Update call to canon_true_dependence.
5256 2012-01-25 Richard Henderson <rth@redhat.com>
5258 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
5259 (maybe_emit_atomic_test_and_set): New.
5260 (expand_sync_lock_test_and_set): Use it.
5261 (expand_atomic_test_and_set): Likewise.
5262 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
5263 the implementation; clarify implementation defined details.
5264 * doc/md.texi (atomic_test_and_set): Document.
5266 2012-01-25 Richard Henderson <rth@redhat.com>
5268 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
5270 2012-01-25 Richard Henderson <rth@redhat.com>
5273 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
5274 to effect no-op split.
5276 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5279 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
5280 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
5281 (BT_FN_VOID_PTR_INT_SIZE): New.
5282 (BT_FN_UINT_UINT_VAR): Remove.
5283 (BT_FN_UINT32_UINT32_VAR): New.
5284 (BT_FN_DOUBLE_VPTR): Remove.
5285 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
5287 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
5288 (_ITM_changeTransactionMode): Same.
5289 (_ITM_memmoveRtWt): Change return type to void.
5290 (_ITM_memcpyRtWt): Same.
5291 (_ITM_memsetW): Same.
5292 (_ITM_RaRD): Change types to double.
5297 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
5299 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5300 Patrick Marlier <patrick.marlier@gmail.com>
5302 * trans-mem.c (requires_barrier): Do not instrument thread local
5303 variables and emit save/restore for them.
5305 2012-01-24 Jason Merrill <jason@redhat.com>
5308 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
5309 output static aliases.
5311 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5314 * common.opt (-pie, -shared, pie, shared): Change from Common to
5316 * gcc.c (display_help): Display help for -pie and -shared.
5318 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
5321 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5322 Remove note on size/offset limitation.
5323 (AVR Variable Attributes): Add example how to read data located
5324 with progmem. Refer to named address spaces.
5325 * doc/invoke.texi (AVR Options): Fix typo.
5327 2012-01-24 Richard Guenther <rguenther@suse.de>
5329 Forward-port to trunk
5330 2010-09-21 Jakub Jelinek <jakub@redhat.com>
5333 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5334 op0 isn't sufficiently aligned and there is movmisalignM
5335 insn for mode, use it to load op0 into a temporary register.
5337 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5340 * target.def (const_not_ok_for_debug_p): New hook.
5341 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5343 * doc/tm.texi: Regenerated.
5344 * dwarf2out.c (const_ok_for_output_1): If
5345 targetm.const_not_ok_for_debug_p returns true, fail.
5346 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5348 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5350 2012-01-23 Kai Tietz <ktietz@redhat.com>
5353 * config/i386/predicates.md (symbolic_operand): Allow
5354 UNSPEC_PCREL as PIC expression for lea.
5355 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5356 * config/i386/i386.c (ix86_delegitimize_address): Handle
5357 UNSPEC_PCREL for none-MEM, too.
5359 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5361 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5362 (ipa_tm_create_version_alias): Same.
5364 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
5367 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5368 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5370 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5371 Patrick Marlier <patrick.marlier@gmail.com>
5372 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5375 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5376 simple_object_start_read.
5378 2012-01-23 Richard Guenther <rguenther@suse.de>
5381 PR tree-optimization/51895
5382 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5383 parameter decomposition into BLKmode components.
5385 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5387 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5388 fake variables for restrict-qualified pointers whose pointed-to type
5389 contains a placeholder.
5391 2012-01-23 Richard Guenther <rguenther@suse.de>
5393 PR tree-optimization/51949
5394 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5396 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5398 PR rtl-optimization/51933
5399 * ree.c (transform_ifelse): Return true right away if dstreg is
5400 already wider or equal to cand->mode.
5401 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5402 (make_defs_and_copies_lists): Remove defs_list and copies_list
5403 arguments, add state argument, just truncate state->work_list
5404 instead of always allocating and freeing the vector. Assert that
5405 get_defs succeeds instead of returning 2. Changed return type to bool.
5406 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5407 have ext_src_mode, see if it has been modified already with the
5408 right kind of extension and has been extended before from the
5409 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5410 just return true. Remember the original mode in state->modified array.
5411 (combine_reaching_defs): Add state argument. Don't allocate and
5412 free here def_list, copied_list and vec vectors, instead just
5413 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5414 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5415 Add state variable, clear vectors in it, initialize state.modified
5416 if needed. Free all the vectors at the end and state.modified too.
5417 Don't skip a candidate if the extension expression has been modified.
5419 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5422 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5423 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5424 (extra_options) interix.opt -> i386/interix.opt"
5425 (extra_objs):Add winnt-stubs.o
5426 * configure.ac: Add interix to target_os .comm on PE check.
5427 * configure: Regenerate.
5428 * config/interix3.h: Delete and move bits to..
5429 * config/interix.h: Delete and move bits to..
5430 * config/i386/i386-interix3.h: Delete and move bits to..
5431 * config/i386/i386-interix.h: ..here.
5432 (TARGET_CPU_DEFAULT): Remove redefinition.
5433 (TARGET_ASM_CONSTRUCTOR): Undefine.
5434 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5435 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5436 (PTRDIFF_TYPE): Define.
5437 (LONG_DOUBLE_TYPE_SIZE): Define.
5438 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5439 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5440 (TARGET_SECTION_TYPE_FLAGS): Define.
5441 (ASM_DECLARE_FUNCTION_NAME): Define.
5442 (ASM_OUTPUT_EXTERNAL): Define.
5443 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5444 (ASM_OUTPUT_ALIGNED_BSS): Define.
5445 (PCC_BITFIELD_TYPE_MATTERS): Define.
5446 (USE_CONST_SECTION): Define.
5447 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5448 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5449 (SUPPORTS_ONE_ONLY): Remove.
5450 (I386_PE_STRIP_ENCODING): Define.
5451 * config/interix.opt: Delete and move bits to..
5452 * config/i386/interix.opt: ..here. New.
5453 (mpe-aligned-commons): Add.
5454 * config/i386/t-interix: Add copyright header.
5455 (winnt-stubs.o): Add rule.
5457 2012-01-22 Jason Merrill <jason@redhat.com>
5460 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5461 for extra name aliases.
5463 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5465 PR rtl-optimization/51924
5466 * ree.c (combine_set_extension): Improve debugging message.
5467 (combine_reaching_defs): Likewise.
5468 (get_defs): Rename confusingly named variable.
5469 (find_and_remove_re): Skip a candidate if the extension expression has
5472 2012-01-21 Robert Millan <rmh@gnu.org>
5473 Gerald Pfeifer <gerald@pfeifer.com>
5475 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5476 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5478 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5480 PR tree-optimization/51914
5481 * tree-vect-stmts.c (vectorizable_conversion): For
5482 cvt_type && modifier == WIDEN, put temporary with cvt_type
5483 at the beginning of vec_dsts and set vec_dest to temporary
5486 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5488 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5490 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5492 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5493 * config/rs6000/rs6000.c: Likewise.
5495 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5498 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5499 output_move_double on a copy of operands array.
5501 2012-01-20 Cary Coutant <ccoutant@google.com>
5502 Dodji Seketeli <dodji@redhat.com>
5505 * dwarf2out.c (copy_declaration_context): Return ref to parent
5506 of declaration DIE, if necessary.
5507 (remove_child_or_replace_with_skeleton): Add new parameter; update
5508 caller. Place skeleton DIE under parent DIE of original declaration.
5509 Move call to copy_declaration_context to here ...
5510 (break_out_comdat_types): ... from here.
5512 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5514 PR rtl-optimization/51856
5515 * reload.c (find_reloads_subreg_address): Set the address_reloaded
5518 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5521 * config/arm/arm.c (arm_print_operand): Correct output of alignment
5522 hints for neon loads and stores.
5524 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
5528 * doc/extend.texi (Named Address Spaces): Split into subsections.
5529 (AVR Named Address Spaces): New subsection.
5530 (M32C Named Address Spaces): New subsection.
5531 (RL78 Named Address Spaces): New subsection.
5532 (SPU Named Address Spaces): New subsection.
5533 (Variable Attributes): New anchor "AVR Variable Attributes".
5534 (AVR Variable Attributes): Rewrite and avoid wording
5535 "address space" in this context.
5536 * doc/invoke.texi (AVR Options): Rewrite and add documentation
5537 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5538 (AVR Built-in Macros): New subsubsection therein.
5539 * doc/md.texi (AVR constraints): Remove "C04", "R".
5541 2012-01-20 Richard Guenther <rguenther@suse.de>
5543 PR tree-optimization/51903
5544 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5545 when removing stmts.
5547 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5550 * config/arm/arm.c (arm_load_pic_register): Use
5551 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5552 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5553 (arm_pic_static_addr): Likewise.
5554 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5555 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5556 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5557 (pic_load_addr_unified): New.
5559 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5562 * function.c (instantiate_virtual_regs_in_insn): Use
5563 delete_insn_and_edges when removing a wrong asm insn.
5565 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5567 PR rtl-optimization/40761
5568 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5569 Add new member loop_num.
5570 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5571 (ira_build): Remove the parameter.
5573 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5574 (ira.c): Do not build CFG loops for one region allocation. Remove
5575 argument from ira_build call.
5577 * ira-build.c (init_loop_tree_node): New function.
5578 (create_loop_tree_nodes): Use it. Separate the case when CFG
5579 loops are not built.
5580 (more_one_region_p): Check current_loops.
5581 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5583 (add_loop_to_tree): Process loop equal to NULL too.
5584 (form_loop_tree): Separate the case when CFG loops are not built.
5585 Use explicitly number for the root.
5586 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5588 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5589 instead of loop->num.
5590 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5591 (mark_all_loops_for_removal): Ditto.
5592 (remove_unnecessary_regions): Separate the case when CFG loops
5594 (ira_build): Remove the parameter. Use explicit number of regions
5595 when CFG loops are not built.
5597 * ira-color.c (print_loop_title): Separate the case for the root node.
5598 Use loop_num instead of loop->num.
5599 (move_spill_restore): Use loop_num instead of loop->num.
5601 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5602 (change_loop): Ditto.
5603 (change_loop): Use loop_num instead of loop->num.
5605 * ira-lives.c (process_bb_node_lives): Ditto.
5607 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5609 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5611 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5614 * tree-mudflap.c (mf_artificial): New function.
5615 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5616 mx_register_decls, mudflap_enqueue_decl): Use it.
5619 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5620 numbers in the insn pattern.
5622 2012-01-19 Michael Matz <matz@suse.de>
5624 PR tree-optimization/46590
5625 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5626 use it in remembering which conflicts we already created.
5627 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5630 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5633 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5634 (merge_and_complain): Same.
5636 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5639 * config/initfini-array.h: Guard content of the header
5640 with #ifdef HAVE_INITFINI_ARRAY.
5641 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5642 Add initfini-array.h to tm_file here.
5643 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5644 * config.gcc: Don't add initfini-array.h to tm_file here.
5645 * configure: Regenerated.
5647 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5649 PR rtl-optimization/51505
5650 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5651 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5652 (df_note_bb_compute): Update the call to df_kill_notes.
5654 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5656 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5658 2012-01-18 Richard Guenther <rguenther@suse.de>
5660 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5661 of conversions to void *.
5663 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5664 Richard Sandiford <rdsandiford@googlemail.com>
5668 * optabs.h (simplify_expand_binop): Declare.
5669 * optabs.c (simplify_expand_binop): Make global.
5670 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5671 endian targets if the source cannot be exactly covered by word
5674 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5677 * hard-reg-set.h (struct hard_reg_set_container): New type.
5678 * target.h (struct hard_reg_set_container): Forward declare.
5679 * target.def (set_up_by_prologue): New target hook.
5680 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5681 * doc/tm.texi: Regenerated.
5682 * function.c (thread_prologue_and_epilogue_insns): Change
5683 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5684 Call targetm.set_up_by_prologue on it.
5685 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5686 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5688 2012-01-17 Nick Clifton <nickc@redhat.com>
5690 * config/rx/rx.c (rx_can_use_simple_return): New function.
5691 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5692 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5694 2012-01-17 Richard Guenther <rguenther@suse.de>
5697 * expr.c (expand_assignment): Take address-space information
5698 from the address operand of MEM_REF and TARGET_MEM_REF.
5699 (expand_expr_real_1): Likewise.
5701 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5703 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5704 reload dump is requested.
5706 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5709 * trans-mem.c (requires_barrier): Call may_be_aliased.
5711 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5713 PR tree-optimization/51877
5714 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5715 call arguments and fndecls compare equal, instead return false if they
5716 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5717 both SSA_NAMEs that are valueized the same, or they satisfy
5720 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5722 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5724 * configure: Regenerate.
5726 2012-01-16 Jan Hubicka <jh@suse.cz>
5730 * convert.c (convert_to_integer): Use fold_convert for
5731 converting an INTEGER_CST to integer type.
5733 2012-01-16 Jason Merrill <jason@redhat.com>
5736 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5738 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5741 * config/s390/s390.c (s390_chunkify_start): Don't skip
5742 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5743 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5744 If insn is followed by NOTE_INSN_VAR_LOCATION or
5745 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5746 Don't use location of note insns.
5748 PR tree-optimization/51865
5749 * tree-inline.c (tree_function_versioning): Call remap_decl
5750 on DECL_RESULT whenever it has VOID_TYPE_P type.
5752 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5754 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5755 for calls to locally-binding MIPS16 functions if only the return
5756 type uses float regs.
5758 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5759 Richard Sandiford <rdsandiford@googlemail.com>
5761 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5762 (SYMBOL_32_HIGH): Likewise.
5763 (mips_output_tls_reloc_directive): Declare.
5764 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5765 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5766 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5767 (mips_lo_relocs, mips_hi_relocs): Make extern.
5768 (mips16_stub_function): Move up file.
5769 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5770 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5771 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5772 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5773 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5774 (mips_get_tp): Add MIPS16 support.
5775 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5776 Generalize DTPREL and TPREL handling.
5777 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5778 Add MIPS16 TLS support.
5779 (mips_output_tls_reloc_directive): New function.
5780 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5781 * config/mips/predicates.md (symbolic_operand_with_high)
5782 (tls_reloc_operand): New predicates.
5783 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5784 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5785 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5786 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5787 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5788 (*tls_get_tp_mips16_call_<mode>): Likewise.
5790 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5792 PR rtl-optimization/51821
5793 * recog.c (peep2_find_free_register): Determine clobbered registers
5796 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5799 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5800 * config/avr/avr.c: Likewise.
5801 * config/avr/avr.h: Likewise.
5803 2012-01-13 Ian Lance Taylor <iant@google.com>
5806 * tree.h (TYPE_QUALS): Add cast to int.
5807 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5809 2012-01-13 Ian Lance Taylor <iant@google.com>
5811 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5812 comparing param_index to VEC_length result.
5814 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5816 * c-decl.c: Do not include tree-mudflap.h
5817 * tree-optimize.c: Likewise.
5818 * Makefile.in: Update dependencies.
5820 2012-01-13 Richard Guenther <rguenther@suse.de>
5823 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5824 variable-sized result always use RSO.
5826 2012-01-12 DJ Delorie <dj@redhat.com>
5828 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5829 pointer type, not just the default pointer type.
5831 2012-01-09 Richard Henderson <rth@redhat.com>
5832 Denis Chertykov <chertykov@gmail.com>
5835 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5836 * config/avr/avr.c (avr_can_eliminate): Simplify.
5837 (avr_initial_elimination_offset): Likewise.
5838 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5839 (expand_epilogue): Likewise.
5840 (avr_legitimize_address): Gut.
5841 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5842 (avr_hard_regno_nregs): New.
5843 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5844 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5845 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5846 add soft frame pointer.
5847 (CALL_USED_REGISTERS): Likewise.
5848 (REG_CLASS_CONTENTS): Likewise.
5849 (REGISTER_NAMES): Likewise.
5850 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5851 (HARD_FRAME_POINTER_REGNUM): New.
5852 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5853 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5854 remove the HARD_FRAME_POINTER self-elimination.
5856 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5859 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5860 DECL_EXTERNAL when checking for initializers of progmem variables.
5862 2012-01-12 Ira Rosen <irar@il.ibm.com>
5864 PR tree-optimization/51799
5865 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5866 that the last operation is a type demotion.
5868 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5870 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5871 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5873 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5876 * combine.c (distribute_notes): If i3 is a noreturn call,
5877 allow old_size to be equal to args_size and make sure the
5878 noreturn call gets REG_ARGS_SIZE note.
5879 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5880 on noreturn calls even when the delta is 0.
5882 2012-01-11 Nathan Sidwell <nathan@acm.org>
5884 * gcov.c (STRING_SIZE): Remove.
5885 (generate_results): Erase annotations for source files with no
5886 coverage information.
5888 (output_lines): Use it.
5890 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5892 * gimple.h (gimplify_body): Remove first argument.
5893 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5894 pointer set here, instead just pass DATA to walk_tree.
5895 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5896 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5897 (unvisit_body): Likewise, but with unmark_visited.
5898 (gimplify_body): Remove BODY_P argument and adjust.
5899 (gimplify_function_tree): Adjust call to gimplify_body.
5900 * omp-low.c (finalize_task_copyfn): Likewise.
5902 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5904 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5905 (build_function_type_skip_args): Delete.
5906 * tree.c (build_function_type_skip_args): Make static and add
5907 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5908 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5909 pass it to build_function_type_skip_args.
5910 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5911 (tree_function_versioning): Likewise.
5912 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5913 build_function_decl_skip_args.
5914 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5915 and pass it to build_function_decl_skip_args/tree_function_versioning.
5916 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5917 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5918 * trans-mem.c (ipa_tm_create_version): Likewise.
5919 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5920 * tree-inline.c (declare_return_variable): Remove always-true test.
5921 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5922 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5923 * ipa-split.c (split_function): Skip the return value for the split
5924 part if it doesn't return.
5926 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5928 PR tree-optimization/49642
5929 * ipa-split.c (forbidden_dominators): New variable.
5930 (check_forbidden_calls): New function.
5931 (dominated_by_forbidden): Likewise.
5932 (consider_split): Check for forbidden dominators.
5933 (execute_split_functions): Initialize and free forbidden
5934 dominators info; call check_forbidden_calls.
5936 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5938 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5940 2012-01-11 Nick Clifton <nickc@redhat.com>
5942 * config/rx/rx.md (return): Define pattern.
5944 2012-01-11 Richard Guenther <rguenther@suse.de>
5946 * doc/extend.texi (malloc attribute): Adjust according to
5949 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5950 Patrick Marlier <patrick.marlier@gmail.com>
5953 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5954 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5955 (ipa_tm_note_irrevocable): Same.
5956 (ipa_tm_scan_irr_block): Same.
5957 (ipa_tm_decrement_clone_counts): Same.
5958 (ipa_tm_scan_irr_function): Same.
5959 (ipa_tm_create_version_alias): Same.
5960 (ipa_tm_create_version): Same.
5961 (ipa_tm_transform_calls_redirect): Same.
5962 (ipa_tm_transform_calls): Same.
5963 (ipa_tm_transform_transaction): Same.
5964 (ipa_tm_execute): Same.
5966 2012-01-10 Richard Guenther <rguenther@suse.de>
5969 * opts.c (common_handle_option): Handle -Werror.
5971 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5973 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5976 2012-01-10 Jason Merrill <jason@redhat.com>
5978 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5981 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5983 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5984 supports R_386_TLS_GD_PLT reloc.
5985 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5986 supports R_386_TLS_LDM_PLT reloc.
5987 * configure: Regenerate.
5988 * config.in: Regenerate.
5990 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5993 Extend __pgmx semantics to linearize memory.
5994 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5995 determine if code comes inline or from libgcc.
5996 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5997 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5998 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5999 (movmemx_qi, movmemx_hi): New insns.
6000 (xload_<mode>_libgcc): Rewrite to new insn condition.
6001 (xload_<mode>): Remove insns.
6002 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
6003 cases that don't satisfy avr_xload_libgcc_p().
6004 (avr_addr_space_convert): Allow converting in any direction.
6005 (avr_addr_space_subset_p): Return always true.
6006 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
6007 (avr_emit_movmemhi): Ditto.
6008 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
6009 (avr_out_movmem): Ditto.
6010 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
6011 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
6012 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
6013 (avr_encode_section_info): Encode 'progmem' in symbol flags.
6014 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
6016 2012-01-10 Richard Guenther <rguenther@suse.de>
6018 PR tree-optimization/50913
6019 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
6020 Require data-refs to be representable by Graphite with respect
6023 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
6025 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
6026 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
6028 2012-01-10 Tom de Vries <tom@codesourcery.com>
6030 PR rtl-optimization/51271
6031 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
6032 handling annulled branch.
6034 2012-01-10 Richard Henderson <rth@redhat.com>
6036 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
6037 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
6038 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
6039 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
6040 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
6041 arm_expand_vec_perm_const): New.
6042 * config/arm/arm-protos.h: Update.
6043 * config/arm/neon.md (UNSPEC_VCONCAT): New.
6044 (*neon_vswp<VDQX>): New.
6045 (neon_vcombine<VDX>): Use neon_split_vcombine.
6046 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
6047 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
6048 (vec_perm<VE>): New.
6050 2012-01-10 Richard Henderson <rth@redhat.com>
6052 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
6053 use it if reload_completed.
6054 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
6055 arm_output_asm_insn, arm_process_output_memory_barrier,
6056 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
6057 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
6058 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
6059 arm_process_output_sync_insn, arm_output_sync_insn,
6060 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
6061 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
6062 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
6063 (emit_unlikely_jump): New.
6064 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
6065 (arm_split_atomic_op): New.
6066 * config/arm/arm-protos.h: Update.
6067 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
6068 (struct arm_sync_generator): Remove.
6069 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
6070 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
6071 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
6072 (VUNSPEC_LL, VUNSPEC_SC): New.
6073 (sync_result, sync_memory, sync_required_value, sync_new_value,
6074 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
6075 (attr length): Don't use arm_sync_loop_insns.
6076 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
6077 (movsfcc, movdfcc): Likewise.
6078 * config/arm/constraints.md (Ua): New.
6079 * config/arm/prediates.md (mem_noofs_operand): New.
6080 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
6081 (sync_clobber, sync_t2_reqd): Remove.
6082 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
6083 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
6084 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
6085 (arm_sync_compare_and_swap<SIDI>): Remove.
6086 (arm_sync_compare_and_swap<NARROW>): Remove.
6087 (arm_sync_lock_test_and_set<SIDI>): Remove.
6088 (arm_sync_lock_test_and_set<NARROW>): Remove.
6089 (arm_sync_new_<syncop><SIDI>): Remove.
6090 (arm_sync_new_<syncop><NARROW>): Remove.
6091 (arm_sync_new_nand<SIDI>): Remove.
6092 (arm_sync_new_nand<NARROW>): Remove.
6093 (arm_sync_old_<syncop><SIDI>): Remove.
6094 (arm_sync_old_<syncop><NARROW>): Remove.
6095 (arm_sync_old_nand<SIDI>): Remove.
6096 (arm_sync_old_nand<NARROW>): Remove.
6097 (*memory_barrier): Merge arm_output_memory_barrier.
6098 (atomic_compare_and_swap<QHSD>): New.
6099 (atomic_compare_and_swap<NARROW>_1): New.
6100 (atomic_compare_and_swap<SIDI>_1): New.
6101 (atomic_exchange<QHSD>): New.
6102 (cas_cmp_operand, cas_cmp_str): New.
6103 (atomic_op_operand, atomic_op_str): New.
6104 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
6105 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
6106 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
6107 (arm_load_exclusive<NARROW>): New.
6108 (arm_load_exclusivesi, arm_load_exclusivedi): New.
6109 (arm_store_exclusive<QHSD>): New.
6111 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6113 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
6114 reload patterns if -mvsx-scalar-memory.
6116 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
6117 generated, even -mno-vsx-scalar-double was used.
6118 (vsx_xscvdpsp_scalar): Likewise.
6119 (vsx_xscvspdp_scalar2): Likewise.
6121 2012-01-09 Tom de Vries <tom@codesourcery.com>
6122 Andrew Pinski <apinski@cavium.com>
6125 * reorg.c (fill_slots_from_thread): Don't speculate
6126 frame-related insns.
6128 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
6130 * sched-int.h (bb_note): Move to...
6131 * basic-block.h: ...here.
6132 * haifa-sched.c (bb_note): Move to...
6133 * cfgrtl.c: ...here.
6134 * function.c (next_block_for_reg): New function.
6135 (move_insn_for_shrink_wrap): Likewise.
6136 (prepare_shrink_wrap): Rewrite to use the above.
6138 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
6140 * gimple.c (is_gimple_non_addressable): Remove.
6141 * gimple.h: Remove is_gimple_non_addressable.
6142 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
6143 is_gimple_non_addressable.
6144 * trans-mem.c (expand_assign_tm): Same.
6146 2012-01-09 Richard Guenther <rguenther@suse.de>
6148 PR tree-optimization/51775
6149 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
6150 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
6152 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6154 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
6156 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
6158 2012-01-09 Richard Guenther <rguenther@suse.de>
6160 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
6162 2012-01-08 Jan Hubicka <jh@suse.cz>
6164 PR tree-optimize/51680
6165 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
6166 on when known_vals needs to be computed; cleanup.
6168 2012-01-08 Jan Hubicka <jh@suse.cz>
6170 PR tree-optimize/51694
6171 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
6173 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
6175 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
6176 for -std=c++98 and -std=c++11 too.
6178 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
6180 * cfgloop.c (cancel_loop): Add free() of bbs array.
6182 2012-01-07 Jan Hubicka <jh@suse.cz>
6184 PR tree-optimization/51600
6185 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
6186 that benefits small functions.
6188 2012-01-07 Jan Hubicka <jh@suse.cz>
6190 * ipa-inline.c (want_inline_small_function_p): Fix formating.
6192 2012-01-07 Jan Hubicka <jh@suse.cz>
6194 PR tree-optimization/51680
6195 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
6196 whose inlining reduce unit size.
6198 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
6201 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
6202 Add canonical node to containing_mem chain after the non-canonical
6203 one, even if there weren't any locs to propagate.
6204 (remove_useless_values): Keep only canonical values.
6205 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
6206 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
6207 canonicalize mem_chain elements that are not discarded.
6209 2012-01-06 Jakub Jelinek <jakub@redhat.com>
6212 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
6213 before emitting functions.
6215 PR gcov-profile/50127
6216 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
6217 clear_aux_for_blocks.
6219 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
6222 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
6224 2012-01-06 Arnaud Charlet <charlet@adacore.com>
6226 * c-decl.c (ext_block): Moved up.
6227 (collect_all_refs, for_each_global_decl): Take ext_block into account.
6229 2012-01-06 Han Shen <shenhan@google.com>
6231 Translate built-in include paths for sysroot.
6232 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
6233 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
6235 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
6236 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
6238 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
6239 control whether sysroot should be prepended to gxx include dir.
6241 * configure: Regenerate.
6243 2012-01-06 Torvald Riegel <triegel@redhat.com>
6245 PR rtl-optimization/51771
6246 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
6247 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
6249 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6251 PR tree-optimization/51315
6252 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
6253 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
6255 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
6258 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
6259 for shrp pattern. Correctly handle and fixup shift variable.
6260 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
6262 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6265 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
6266 note when !ACCUMULATE_OUTGOING_ARGS.
6268 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6270 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
6272 (extract_range_from_unary_expr_1): Avoid useless computations.
6274 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6276 PR rtl-optimization/51767
6277 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
6278 of jump_block and add an extra edge for degenerated asm gotos.
6281 * stmt.c (check_unique_operand_names): Don't ICE during error
6282 reporting if i is from labels chain.
6285 * profile.c (branch_prob): Split bbs that have exit edge
6286 and need a fake entry edge too.
6288 2012-01-05 Jan Hubicka <jh@suse.cz>
6291 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
6294 2012-01-05 Richard Guenther <rguenther@suse.de>
6297 * tree-streamer-out.c (write_ts_optimization): New function.
6298 (streamer_write_tree_body): Call it.
6299 * tree-streamer-in.c (lto_input_ts_optimization): New function.
6300 (streamer_read_tree_body): Call it.
6301 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
6303 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6306 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
6307 * gimplify.c (gimplify_cleanup_point_expr): Save and set
6308 in_cleanup_point_expr before gimplify_stmt call and restore it
6310 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
6311 in_cleanup_point_expr is false.
6313 2012-01-05 Richard Guenther <rguenther@suse.de>
6316 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6318 * toplev.c (process_options): Reject combining mudflap and LTO.
6319 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6321 2012-01-05 Richard Guenther <rguenther@suse.de>
6323 PR tree-optimization/51760
6324 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6326 (bit_value_unop): Handle UNDEFINED operands.
6327 (bit_value_binop): Likewise.
6329 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
6331 * config/avr/avr.c (avr_replace_prefix): Remove.
6332 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6333 (avr_asm_function_rodata_section): Ditto.
6334 (avr_asm_select_section): Ditto.
6336 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
6338 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6341 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6344 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6345 calls that have any non-fake successor edges.
6348 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6350 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
6352 PR tree-optimization/51624
6353 * tree-sra.c (build_ref_for_model): When replicating a chain of
6354 COMPONENT_REFs, stop as soon as the offset would become negative.
6356 2012-01-04 Jakub Jelinek <jakub@redhat.com>
6359 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6360 in .debug_loc on the floor.
6362 2012-01-04 Andrew Pinski <apinski@cavium.com>
6364 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6366 2012-01-04 Andrew Pinski <apinski@cavium.com>
6367 Adam Nemet <anemet@caviumnetworks.com>
6369 * config/mips/mips.md (size): Add SI and DI.
6370 (SIZE): New mode attribute.
6371 (U): New code attribute.
6372 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6373 (mips_lbux_<mode>): Delete.
6374 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6375 (mips_lhx): Use gen_mips_lhx_extsi.
6376 (mips_lhx_<mode>): Delete.
6378 (mips_l<size>x): New expand.
6379 (mips_lwx_<mode>): Delete.
6380 (mips_l<GPR:size>x_<P:mode>): New pattern.
6381 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6382 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6383 * config/mips/mips.c (mips_lx_address_p): New function.
6384 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6385 (dsp64): New availability predicate.
6386 (mips_builtins): Add an entry for __builtin_mips_ldx.
6387 * config/mips/mips.h (ISA_HAS_LBX): New define.
6388 (ISA_HAS_LBUX): Likewise.
6389 (ISA_HAS_LHX): Likewise.
6390 (ISA_HAS_LHUX): Likewise.
6391 (ISA_HAS_LWX): Likewise.
6392 (ISA_HAS_LWUX): Likewise.
6393 (ISA_HAS_LDX): Likewise.
6394 * doc/extend.texi (__builtin_mips_ldx): Document.
6396 2012-01-04 Tristan Gingold <gingold@adacore.com>
6398 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6399 when long pointers are used.
6400 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6401 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6402 (ia64-hp-*vms*): Remove.
6403 * config/vms/xm-vms64.h: Delete.
6405 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6408 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6410 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6412 * opts.c (finish_options): Remove duplicate sorry.
6414 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6417 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6420 2012-01-04 Richard Guenther <rguenther@suse.de>
6423 * tree.c (size_low_cst): New function.
6424 * tree.h (size_low_cst): Declare.
6425 * fold-const.c (fold_comparison): Use it to extract the low
6426 part of the POINTER_PLUS_EXPR offset.
6428 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6430 Fix clearing ZERO_REG
6431 * config/avr/avr.md (cc): Add alternative "ldi".
6432 (movqi_insn): Use it in cc attribute.
6433 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6434 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6435 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6437 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6439 * configure: Regenerate.
6441 2012-01-04 Richard Guenther <rguenther@suse.de>
6443 PR tree-optimization/49651
6444 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6445 (var_can_have_subvars): Use it.
6446 (get_constraint_for_1): Only consider subfields if there can be any.
6448 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6451 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6452 to its new canonical_cselib_val and the cselib_val was in
6453 first_containing_mem chain, but the canonical_cselib_val was not,
6454 add the latter into the chain.
6455 (cselib_invalidate_mem): Compare canonical_cselib_val of
6456 addr_list chain elt with v.
6459 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6460 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6462 (output_macinfo_op): Don't ggc_strdup fd->filename.
6463 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6464 then ggc_strdup it. Don't free inc->info or cur->info.
6465 (output_macinfo): Don't free ref->info or file->info.
6467 2012-01-03 Ira Rosen <irar@il.ibm.com>
6469 PR tree-optimization/51269
6470 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6471 first_niters a pointer.
6472 (slpeel_tree_peel_loop_to_edge): Likewise.
6473 (vect_do_peeling_for_loop_bound): Update call to
6474 slpeel_tree_peel_loop_to_edge.
6475 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6476 here. Remove it from the parameters list.
6477 (vect_do_peeling_for_alignment): Update calls and compute
6480 2012-01-03 Richard Guenther <rguenther@suse.de>
6482 PR tree-optimization/51070
6483 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6484 Properly handle calls.
6486 2012-01-03 Richard Guenther <rguenther@suse.de>
6488 PR tree-optimization/51692
6489 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6490 the LHS of allocation stmts.
6492 2012-01-03 Olivier Hainque <hainque@adacore.com>
6494 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6496 2012-01-03 Olivier Hainque <hainque@adacore.com>
6498 * collect2.c (main): In AIX specific computations for vector
6499 insertions, use CONST_CAST2 to cast from char ** to const char **.
6501 2012-01-03 Richard Guenther <rguenther@suse.de>
6504 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6505 the context of a limbo DIE when it does not already exist.
6507 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6509 PR tree-optimization/51719
6510 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6511 but direct call is, clear direct call's lhs and don't add fallthrough
6512 edge from dcall_bb to join_bb and PHIs.
6514 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6516 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6517 the instructions emitted by the pattern.
6518 ("*TDC_insn_<mode>"): Add comment.
6520 2012-01-03 Richard Guenther <rguenther@suse.de>
6523 * fold-const.c (fold_comparison): Properly canonicalize
6524 tree offset and HOST_WIDE_INT bit position.
6526 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
6528 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6529 operands for extzv pattern.
6531 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6534 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6537 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
6539 * doc/invoke.texi (-flto and related options): Copy-edit.
6541 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6543 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6545 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6547 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6550 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6552 * expr.h (move_by_pieces_ninsns): Declare.
6553 * expr.c (move_by_pieces_ninsns): Make external.
6554 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6555 (mips_store_by_pieces_p): Likewise.
6556 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6557 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6558 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6559 (mips_store_by_pieces_p): Likewise.
6561 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6563 * passes.c (register_one_dump_file): Free full_name.
6565 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6566 (calculate_elim_costs_all_insns): Free offsets_at and
6567 offsets_known_at at the end and clear the pointers.
6569 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6571 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6572 this option introduced in r180739.
6574 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6577 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6578 (tmake_file target=avr): Add avr/t-multilib.
6580 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6581 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6582 * config/avr/genmultilib.awk: New file.
6583 * config/avr/t-multilib: New auto-generated file.
6584 * config/avr/multilib.h: New auto-generated file.
6585 * config/avr/t-avr (AVR_MCUS): New variable.
6586 (genopt.sh): Use it.
6587 (s-mlib): Depend on t-multilib.
6588 (t-multilib, multilib.h): New dependencies.
6589 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6590 (MULTILIB_OPTIONS): Remove.
6591 (MULTILIB_MATCHES): Remove.
6592 (MULTILIB_DIRNAMES): Remove.
6593 (MULTILIB_EXCEPTIONS): Remove:
6594 * config/avr/genopt.sh: Don't use hard coded file name;
6595 pass AVR_MCUS from t-avr instead.
6597 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6599 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6601 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6603 Implement light-weight DImode support.
6604 * config/avr/avr-dimode.md: New file.
6605 * config/avr/avr.md: Include it.
6606 (adjust_len): Add plus64, compare64.
6607 (HIDI): Remove code iterator.
6608 (code_stdname): New code attribute.
6609 (rotx, rotsmode): Remove DI.
6610 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6612 * config/avr/avr-protos.h (avr_have_dimode): New.
6613 (avr_out_plus64, avr_out_compare64): New.
6614 * config/avr/avr.c (avr_out_compare): Handle DImode.
6615 (avr_have_dimode): New variable definition and initialization.
6616 (avr_out_compare64, avr_out_plus64): New functions.
6617 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6618 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6619 (avr_compare_pattern): Skip DImode comparisons.
6621 2012-01-02 Revital Eres <revital.eres@linaro.org>
6623 * ddg.c (def_has_ccmode_p): New function.
6624 (add_cross_iteration_register_deps,
6625 create_ddg_dep_from_intra_loop_link): Call it.
6627 2012-01-02 Richard Guenther <rguenther@suse.de>
6630 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6632 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6634 * gcc.c (process_command): Update copyright notice dates.
6635 * gcov.c (print_version): Likewise.
6636 * gcov-dump.c (print_version): Likewise.
6637 * mips-tfile.c (main): Likewise.
6638 * mips-tdump.c (main): Likewise.
6640 2012-01-01 Ira Rosen <irar@il.ibm.com>
6642 PR tree-optimization/51704
6643 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6644 a use is inside the basic block or loop before accessing its vect info.
6646 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6648 PR rtl-optimization/51069
6649 * cfgloopmanip.c (remove_path): Removing path making irreducible
6650 region unconditional makes BB part of the region.
6652 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6654 PR tree-optimization/51683
6655 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6656 calls with side-effects.
6657 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6659 Copyright (C) 2012 Free Software Foundation, Inc.
6661 Copying and distribution of this file, with or without modification,
6662 are permitted in any medium without royalty provided the copyright
6663 notice and this notice are preserved.