1 2012-06-08 Richard Henderson <rth@redhat.com>
4 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
5 note to a clobber insn when no other insn is available.
7 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
10 * doc/invoke.texi (Wenum-compare): Update documentation.
12 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
15 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
17 (altivec_stvlxl): Ditto.
18 (altivec_stvrx): Ditto.
19 (altivec_stvrxl): Ditto.
21 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
24 * trans-mem.c (expand_block_edges): Do not skip the first
25 statement when resetting the BB.
27 2012-06-04 Richard Guenther <rguenther@suse.de>
30 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
31 create new assembler names.
33 2012-06-04 Richard Guenther <rguenther@suse.de>
35 Backport from mainline
36 2012-04-25 Jakub Jelinek <jakub@redhat.com>
39 * stor-layout.c (get_best_mode): Don't return mode with bitsize
40 larger than maxbits. Don't compute maxbits modulo align.
41 Also check that unit bytes long store at bitpos / unit * unit
42 doesn't affect bits beyond bitregion_end.
43 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
44 would not fit into bitregion_start ... bitregion_end + 1 bit
46 (store_split_bit_field): Decrease unit close to end of bitregion_end
47 if access is restricted in order to avoid mutual recursion.
49 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
51 Backport from 2012-06-04 mainline r188172
54 * config/avr/avr-stdint.h: New file.
55 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
58 2012-06-04 Jakub Jelinek <jakub@redhat.com>
60 PR tree-optimization/53550
61 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
62 is POINTER_TYPE_P, use sizetype as step type instead of type.
64 2012-06-04 Richard Guenther <rguenther@suse.de>
65 Eric Botcazou <ebotcazou@adacore.com>
67 Backport from mainline
68 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
70 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
71 Change type of BITOFFSET to signed. Make sure the lower bound of
72 the computed range is non-negative by adjusting OFFSET and BITPOS.
73 (expand_assignment): Adjust call to get_bit_range.
75 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
77 * expr.c (get_bit_range): Return the null range if the enclosing record
78 is part of a larger bit field.
80 2012-03-20 Richard Guenther <rguenther@suse.de>
82 * stor-layout.c (finish_bitfield_representative): Fallback
83 to conservative maximum size if the padding up to the next
84 field cannot be computed as a constant.
85 (finish_bitfield_layout): If we cannot compute the distance
86 between the start of the bitfield representative and the
87 bitfield member start a new representative.
88 * expr.c (get_bit_range): The distance between the start of
89 the bitfield representative and the bitfield member is zero
90 if the field offsets are not constants.
92 2012-03-16 Richard Guenther <rguenther@suse.de>
94 * stor-layout.c (finish_bitfield_representative): Fall back
95 to the conservative maximum size if we cannot compute the
96 size of the tail padding.
98 2012-03-14 Richard Guenther <rguenther@suse.de>
100 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
101 * stor-layout.c (start_bitfield_representative): New function.
102 (finish_bitfield_representative): Likewise.
103 (finish_bitfield_layout): Likewise.
104 (finish_record_layout): Call finish_bitfield_layout.
105 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
106 for QUAL_UNION_TYPE fields.
107 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
108 Stream DECL_BIT_FIELD_REPRESENTATIVE.
109 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
114 * expr.c (get_bit_range): Unconditionally extract bitrange
115 from DECL_BIT_FIELD_REPRESENTATIVE.
116 (expand_assignment): Adjust call to get_bit_range.
118 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
121 * fold-const.c (fold_binary_loc): Refine previous change.
123 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
125 Backport from mainline
126 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
129 * config/sh/sh.c (find_barrier): Add equality check of last_got to
130 avoid going above orig insn. Update comments.
132 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
134 Backport from mainline
135 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
138 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
139 prologue for unwinder and profiler.
141 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
143 Backport from mainline
144 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
146 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
148 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
150 Backport from mainline
151 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
153 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
156 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
158 Backport from mainline
159 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
161 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
162 operand is CONST_INT. Take COSTS_N_INSNS into account.
163 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
166 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
168 * config/avr/avr.opt (-msp8): Document it.
169 * doc/invoke.texi (AVR Options): Copy from trunk docu.
171 2012-05-31 Richard Guenther <rguenther@suse.de>
174 * expr.c (expand_assignment): Do not use movmisalign on
177 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
180 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
181 (pa_section_type_flags): New.
182 (pa_legitimate_constant_p): Revert previous change.
184 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
186 Backport from mainline
187 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
190 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
192 (ipa_tm_create_version): Same.
194 2012-05-30 Jason Merrill <jason@redhat.com>
197 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
198 about array compound literals.
200 2012-05-30 Richard Guenther <rguenther@suse.de>
203 * fold-const.c (fold_binary_loc): Make sure to call
204 fold_plusminus_mult_expr with the original sign of operands.
206 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
208 * explow.c (probe_stack_range): Restore simple control flow and stop
209 again when the probe cannot be generated if HAVE_check_stack.
211 2012-05-30 Jakub Jelinek <jakub@redhat.com>
213 PR rtl-optimization/53519
214 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
215 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
217 2012-05-29 Richard Guenther <rguenther@suse.de>
219 PR tree-optimization/53516
220 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
222 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
224 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
226 Backport from mainline
227 2012-05-28 Richard Guenther <rguenther@suse.de>
229 PR tree-optimization/53438
230 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
232 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
234 Backport from mainline
235 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
237 PR rtl-optimization/52528
238 * combine.c (can_combine_p): Add setting of subst_low_luid
239 before call to expand_field_assignment().
241 2012-05-26 Martin Jambor <mjambor@suse.cz>
243 Backport from mainline
244 2012-05-23 Martin Jambor <mjambor@suse.cz>
246 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
248 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
251 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
252 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
254 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
257 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
258 (ix86_expand_vec_perm): Use int mode instead of float.
260 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
263 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
264 gnu_ld variables to yes.
265 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
266 (HAVE_GNU_AS): Likewise.
267 * config.in: Regenerate.
268 * configure: Likewise.
270 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
272 Backport from mainline
273 2012-03-12 Richard Guenther <rguenther@suse.de>
274 * config/arm/arm.c (neon_dereference_pointer): Do not call
275 covert during RTL expansion.
277 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
279 Backport from mainline
280 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
283 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
284 relied on signed overflow behavior.
286 2012-05-24 Richard Guenther <rguenther@suse.de>
289 * tree-profile.c (tree_profiling): Cleanup the CFG if
290 execute_fixup_cfg requests it.
292 2012-05-24 Jakub Jelinek <jakub@redhat.com>
294 PR tree-optimization/53465
295 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
296 vr0 into *vr, then vrp_meet that.
297 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
298 have any equivalences.
299 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
302 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
304 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
306 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
307 (iterative_hash_gimple_type): Adjust comment.
308 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
309 domain for an array type instead of the domain type itself.
311 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
313 Backport from 2012-05-23 mainline r187803
316 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
317 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
320 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
322 Backport from 2012-05-03 mainline r187075
324 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
325 has_fma4 for AMD processors with both fma3 and fma4 support.
327 2012-05-22 Richard Guenther <rguenther@suse.de>
329 PR tree-optimization/53408
330 * tree-vect-loop.c (vectorizable_induction): Properly check
331 the restriction that we cannot handle induction results from
332 the inner loop outside of the outer loop.
334 2012-05-21 Jakub Jelinek <jakub@redhat.com>
336 PR tree-optimization/53436
337 * omp-low.c (omp_build_component_ref): New function.
338 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
340 PR tree-optimization/53366
341 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
342 tests if complex_numbers == 2, but there are non-complex number loads
345 PR tree-optimization/53409
346 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
347 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
349 PR tree-optimization/53410
350 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
351 instead of build_int_cst (type, 0) where vector types might be
354 2012-05-21 Joseph Myers <joseph@codesourcery.com>
357 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
358 from folded operands before wrapping another around the
359 conditional expression.
361 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
362 Patrick Marlier <patrick.marlier@gmail.com>
364 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
367 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
369 Backport from mainline
370 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
373 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
374 (UNSPECV_RDRAND): This.
375 (rdrand<mode>_1): Updated.
377 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
379 Backport from mainline
380 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
382 * config/i386/driver-i386.c (host_detect_local_cpu): Support
383 RDRND, F16C and FSGSBASE.
385 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
387 Backport from mainline
388 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
390 * tree-ssa-pre.c (can_value_number_call): Delete.
391 (compute_avail): Skip all statements with side effects.
392 <GIMPLE_CALL>: Skip calls to internal functions.
394 2012-05-18 David S. Miller <davem@davemloft.net>
396 Backport r185385 from mainline
397 2012-03-14 Richard Guenther <rguenther@suse.de>
400 * tree-vect-generic.c (type_for_widest_vector_mode): Take
401 element type instead of mode, use build_vector_type_for_mode
402 instead of the langhook, build a vector of proper signedness.
403 (expand_vector_operations_1): Adjust.
405 2012-05-18 Olivier Hainque <hainque@adacore.com>
407 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
408 $(libsubdir) as libexecsubdir.
410 2012-05-16 Andrew Pinski <apinski@cavium.com>
412 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
415 2012-05-16 David S. Miller <davem@davemloft.net>
417 * jump.c (delete_related_insns): If we remove a CALL, make sure
418 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
420 2012-05-16 Richard Henderson <rth@redhat.com>
423 * combine-stack-adj.c (prev_active_insn_bb): New.
424 (next_active_insn_bb): New.
425 (force_move_args_size_note): New.
426 (combine_stack_adjustments_for_block): Use it.
428 2012-05-16 Olivier Hainque <hainque@adacore.com>
430 * Makefile.in (install-no-fixedincludes): New target, former toplevel
431 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
432 Add comments and improve stamp preservation across the whole sequence.
433 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
435 2012-05-16 Richard Guenther <rguenther@suse.de>
437 PR tree-optimization/53364
438 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
439 detect a view-conversion of the decl.
441 2012-05-15 Jakub Jelinek <jakub@redhat.com>
444 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
445 that operands[2] is either immediate, or q_regs_operand.
447 2012-05-15 Bin Cheng <bin.cheng@arm.com>
449 Backport r187139 from mainline.
450 2012-05-04 Bin Cheng <bin.cheng@arm.com>
452 PR rtl-optimization/52804
453 * reload1.c (reload_reg_reaches_end_p): Check whether successor
454 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
455 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
456 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
457 RELOAD_FOR_OUTADDR_ADDRESS.
459 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
462 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
463 generate target register for "load" class builtins.
466 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
469 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
470 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
471 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
472 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
473 (<sse>_movu<ssemodesuffix>): New expander.
474 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
475 (avx_movdqu<avxmodesuffix>): New expander.
476 (*sse2_movdqu): Rename from sse2_movdqu.
477 (sse2_movdqu): New expander.
479 2012-05-14 Jakub Jelinek <jakub@redhat.com>
481 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
482 lineno 1 the same as lineno 0 before first start file directive.
483 (optimize_macinfo_range): Likewise.
485 * dwarf2out.c (have_macinfo): Define.
486 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
487 attribute, don't force empty compilation unit and don't emit any
488 .debug_macinfo/.debug_macro section if macinfo_table is empty.
490 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
492 Backport from mainline
493 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
495 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
496 ORDERED and UNORDERED conditions.
498 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
500 * function.c (requires_stack_frame_p): If the function can throw
501 non-call exceptions, return true if the insn can throw internally.
503 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
505 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
506 DECL_ORIGINAL_TYPE if it is present.
508 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
510 Backport from 2012-05-12 mainline r187342.
513 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
514 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
515 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
516 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
517 (expand_prologue): Move initialization of cfun->machine->is_naked,
518 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
519 (avr_set_current_function): ...this new static function.
520 (TARGET_SET_CURRENT_FUNCTION): New define.
521 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
522 checking attributes of current_function_decl.
523 (avr_regs_to_save): Ditto.
524 (signal_function_p): Rename to avr_signal_function_p.
525 (interrupt_function_p): Rename to avr_interrupt_function_p.
527 * doc/extend.texi (Function Attributes): Better explanation of
528 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
531 2012-05-09 Matthias Klose <doko@ubuntu.com>
533 * gcc-ar.c (main): Don't check for execute bits for the plugin.
535 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
538 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
539 when a constant source operand matches an "I" constraint, the "no
540 CC0 change" applies to a register-destination only, not a
541 strict_low_part-destination.
543 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
545 Backport from mainline:
546 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
548 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
550 2012-05-07 Jakub Jelinek <jakub@redhat.com>
552 PR tree-optimization/53239
553 * tree-vrp.c (get_value_range): Set VR of
554 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
557 2012-05-07 Richard Guenther <rguenther@suse.de>
559 PR tree-optimization/53195
560 * tree-inline.c (setup_one_parameter): Properly add referenced
561 vars from the parameters new known value.
563 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
565 Backport from mainline:
566 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
569 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
572 2012-05-04 Ian Lance Taylor <iant@google.com>
574 * tree-vect-patterns.c (vect_single_imm_use): Correct return
575 values from false to NULL.
577 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
579 Backport from mainline
580 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
583 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
584 (TARGET_CMOV): Rename from TARGET_CMOVE.
585 (TARGET_CMOVE): New define.
586 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
587 Do not set TARGET_CMOVE here.
589 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
591 Backport from mainline:
593 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
595 PR tree-optimization/52633
596 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
597 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
598 (vect_recog_over_widening_pattern): Remove handling of code that was
599 already detected as over-widening pattern. Remove special handling
600 of "unsigned" cases. Instead, support general case of conversion
601 of the shift result to another type.
603 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
605 * tree-vect-patterns.c (vect_single_imm_use): New function.
606 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
607 (vect_recog_over_widening_pattern): Likewise.
608 (vect_recog_widen_shift_pattern): Likewise.
610 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
612 PR tree-optimization/52870
613 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
614 presumed pattern statement is within the same loop or basic block.
616 2012-05-04 Richard Guenther <rguenther@suse.de>
618 * common.opt (flto-report): Do not mark as Optimization.
620 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
623 * recog.c (constrain_operands): If extra constraints are present, also
624 accept pseudo-registers with equivalent memory locations during reload.
626 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
628 Backport from the mainline
629 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
632 * config/rs6000/rs6000.md (bswapdi splitters): If
633 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
634 default) is used, generate an alternate sequence that does not
635 depend on using indexed addressing.
637 2012-05-03 David S. Miller <davem@davemloft.net>
640 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
641 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
642 (sparc_emit_float_lib_cmp): Likewise.
644 2012-05-04 Martin Jambor <mjambor@suse.cz>
646 Backport from mainline
647 2012-05-02 Martin Jambor <mjambor@suse.cz>
650 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
651 of a variable when the contect is a function.
653 2012-05-03 Jakub Jelinek <jakub@redhat.com>
656 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
657 append program name to it and pass that as first argument
658 to make_relative_prefix. Always pass standard_libexec_prefix
659 as last argument to make_relative_prefix. If
660 make_relative_prefix returns NULL, fall back to
661 standard_libexec_prefix.
664 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
668 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
669 mode, return that mode.
671 2012-05-03 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/53144
674 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
676 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
677 with SSA name values.
678 (vn_reference_lookup_3): Adjust callers.
680 2012-05-02 Jakub Jelinek <jakub@redhat.com>
682 PR tree-optimization/53163
683 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
684 return value from compute_all_dependences.
686 PR rtl-optimization/53160
687 * ree.c (combine_reaching_defs): Handle the case where cand->insn
688 has been modified by ree pass already.
690 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
692 Backport from mainline
693 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
696 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
697 calls to cgraph_node_name in xstrdup.
698 (ipa_make_edge_direct_to_target): Ditto.
699 * tree-sra.c (convert_callers_for_node): Ditto.
700 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
701 * ipa-cp.c (perhaps_add_new_callers): Ditto.
702 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
703 (cgraph_materialize_all_clones): Ditto.
704 * ipa-inline.c (report_inline_failed_reason): Ditto.
705 (want_early_inline_function_p): Ditto.
706 (edge_badness): Ditto.
707 (update_edge_key): Ditto.
708 (flatten_function): Ditto.
710 (inline_always_inline_functions): Ditto.
711 (early_inline_small_functions): Ditto.
713 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
715 Backport from mainline
716 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
718 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
719 Introduce emul_name to select the right linker emulation for
720 powerpc64-*-freebsd*.
721 * configure: Regenerate.
722 * config.gcc: Add bits to support powerpc64-*-freebsd*.
723 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
724 * config/rs6000/freebsd64.h: New file.
725 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
727 (rs6000_savres_strategy): Likewise.
728 (rs6000_savres_routine_name): Likewise.
729 (rs6000_elf_file_end): Likewise.
730 * config/rs6000/t-freebsd64: New file.
731 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
732 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
734 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
736 Backport from mainline
737 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
740 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
742 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
744 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
745 predicate to discriminate types.
747 2012-04-27 Richard Guenther <rguenther@suse.de>
750 * convert.c (convert_to_integer): Avoid infinite recursion for
751 target-defined built-in types.
753 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
756 * config/cris/cris.md ("*andhi_lowpart_v32")
757 ("*andqi_lowpart_v32"): Change first input-only operand from
758 a (match_operand ...) to (match_dup 0). Drop alternatives with
759 const_int-matching constraints for redundancy.
760 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
761 three-operand alternative.
763 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
765 Backport from mainline
766 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
768 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
769 (*addsi_2_zext): Ditto.
770 (*add<mode>_3): Ditto.
771 (*addsi_3_zext): Ditto.
772 (*add<mode>_5): Ditto.
774 2012-04-25 Jakub Jelinek <jakub@redhat.com>
777 * c-typeck.c (set_nonincremental_init,
778 set_nonincremental_init_from_string): Pass true instead of false
779 as IMPLICIT to add_pending_init.
781 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
783 Backport from 2012-04-24 mainline r186768.
786 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
788 2012-04-24 Richard Guenther <rguenther@suse.de>
790 PR tree-optimization/53085
791 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
794 2012-04-24 Jakub Jelinek <jakub@redhat.com>
797 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
799 (output_addressed_constants): Likewise.
802 * varasm.c (get_section): Don't ICE for section conflicts with
803 built-in section kinds.
805 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
807 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
809 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
811 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
813 2012-04-23 Richard Guenther <rguenther@suse.de>
816 * c-typeck.c (build_binary_op): Fix typo.
818 2012-04-23 Jakub Jelinek <jakub@redhat.com>
820 PR tree-optimizations/52891
821 * tree-vect-patterns.c (adjust_bool_pattern): Use
822 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
823 but with non-standard precision.
825 2012-04-22 Ian Lance Taylor <iant@google.com>
827 * godump.c (go_output_typedef): Dump size of structs.
829 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
831 Backport from mainline:
833 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
834 hints for 'A' operand types.
836 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
838 Backport from 2012-04-19 mainline r186588.
841 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
844 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
846 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
848 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
851 * config/i386/sync.md (atomic_<code><mode>): Rename to
852 atomic_<logic><mode>.
854 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
856 Backport from mainline
857 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
860 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
861 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
862 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
863 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
864 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
865 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
866 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
867 gen_avx2_permvarv8sf.
869 2012-04-16 Martin Jambor <mjambor@suse.cz>
871 Backported from mainline
873 2012-04-13 Martin Jambor <mjambor@suse.cz>
876 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
877 fold_ctor_reference returns a zero constant.
879 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
881 Backported from mainline
882 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
884 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
885 and __ILP32__ for x32.
887 2012-04-13 Tom de Vries <tom@codesourcery.com>
889 Backport from mainline r186418.
891 2012-04-13 Tom de Vries <tom@codesourcery.com>
893 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
894 parameters vuse and vuse_escaped.
895 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
896 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
899 2012-04-13 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/52969
902 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
903 the condition for the COND_EXPR and handle predicate negation
904 by swapping the COND_EXPR arms.
906 2012-04-13 Richard Guenther <rguenther@suse.de>
909 * convert.c (convert_to_pointer): Remove special-casing of
912 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
914 Backport from mainline
915 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
918 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
919 the list of options to enable the FCFID instruction.
920 (TARGET_EXTRA_BUILTINS): Adjust comment.
922 2012-04-12 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/52943
925 * tree-chrec.h (chrec_is_positive): Remove.
926 * tree-scalar-evolution.c (chrec_is_positive): Move ...
927 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
928 Return false for a constant zero instead of negative.
929 (analyze_siv_subscript_cst_affine): Handle zero difference
930 in the initial condition explicitely.
932 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
935 * varasm.c (process_pending_assemble_externals): Set
936 pending_assemble_externals_processed true.
937 (assemble_external): Call assemble_external_real if the pending
938 assemble externals have been processed.
940 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
943 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
944 the DECL generated for the special GOT helper.
946 2012-04-06 Walter Lee <walt@tilera.com>
948 Backport from mainline
949 2012-03-07 Walter Lee <walt@tilera.com>
951 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
952 REG_CFA_* notes for the stack pointer.
953 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
954 EH_RETURN_STACKADJ_RTX.
955 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
956 generate REG_CFA_* notes for the stack pointer.
957 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
958 by EH_RETURN_STACKADJ_RTX.
960 2012-04-06 Matt Turner <mattst88@gmail.com>
962 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
964 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
966 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
967 of the destination isn't also a FP_REGS register.
969 2012-04-03 Richard Guenther <rguenther@suse.de>
971 Backport from mainline
972 2012-03-02 Richard Guenther <rguenther@suse.de>
974 PR tree-optimization/52406
975 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
976 (struct indices): Add unconstrained_base member.
977 (struct dr_alias): Remove unused vops member.
978 (DR_UNCONSTRAINED_BASE): New define.
979 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
980 add indices to allow their disambiguation. Make DR_BASE_OBJECT
981 be an artificial access that covers the whole indexed object,
982 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
983 plain decl base-objects to their MEM_REF variant.
984 (dr_may_alias_p): When the base-object of either data reference
985 has unknown size use only points-to information.
986 (compute_affine_dependence): Make dumps easier to read and
988 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
989 DR_REF when looking for packed references.
990 (vect_supportable_dr_alignment): Likewise.
992 2012-04-03 Richard Guenther <rguenther@suse.de>
994 Backport from mainline
995 2012-03-15 Richard Guenther <rguenther@suse.de>
998 * tree-data-ref.c (subscript_dependence_tester_1): Check
999 all dimensions for non-conflicting access functions.
1001 2012-04-03 Richard Guenther <rguenther@suse.de>
1003 Backport from mainline
1004 2012-03-06 Richard Guenther <rguenther@suse.de>
1007 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1009 2012-03-23 Richard Guenther <rguenther@suse.de>
1011 PR tree-optimization/52678
1012 * tree-vectorizer.h (struct _stmt_vec_info): Add
1013 loop_phi_evolution_part member.
1014 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1015 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1016 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1017 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1018 Use the cached evolution part and the PHI nodes value from
1019 the loop preheader edge instead of re-analyzing the evolution.
1021 2012-03-26 Richard Guenther <rguenther@suse.de>
1023 PR tree-optimization/52701
1024 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1025 compute and set the evolution part of PHI nodes.
1027 2012-03-30 Richard Guenther <rguenther@suse.de>
1029 PR tree-optimization/52754
1030 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1031 propagate arbitrary addresses into really plain dereferences.
1033 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1035 PR tree-optimization/52835
1036 * tree-data-ref.c (build_rdg): Return NULL if
1037 compute_data_dependences_for_loop failed.
1039 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1041 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1042 (stmt_can_make_abnormal_goto): Use it.
1043 (is_ctrl_altering_stmt): Likewise.
1045 2012-03-31 Martin Jambor <mjambor@suse.cz>
1047 Backported from mainline
1048 2012-03-30 Martin Jambor <mjambor@suse.cz>
1050 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1051 is a builtin_stack_save in a dominating BB.
1053 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1055 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1056 crossing 128bit lane boundary.
1058 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1060 Backported from mainline
1061 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1064 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1066 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1067 * config/i386/i386.c: Include reload.h.
1068 (ix86_legitimize_reload_address): New function.
1070 2012-03-28 Martin Jambor <mjambor@suse.cz>
1072 Backported from mainline
1073 2012-03-27 Martin Jambor <mjambor@suse.cz>
1076 * tree-sra.c (sra_modify_assign): Do not call
1077 load_assign_lhs_subreplacements when working with an unscalarizable
1080 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1083 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1084 __builtin_va_start to __builtin_next_arg if the latter is
1085 builtin_decl_explicit_p rather than when it is not.
1088 * tree-vect-generic.c (vector_element): Perform multiplication
1089 for pos in bitsizetype type instead of idx type.
1091 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1093 Backport from 2012-03-28 mainline r185910.
1096 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1097 (avr_builtin_decl): New static function.
1098 (struct avr_builtin_description, avr_bdesc): Move up.
1099 Add GTY marker. Add field fndecl. Remove redundant field id.
1100 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1101 (avr_expand_builtin): Code cleanup because .id is removed.
1103 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1106 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1109 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1111 Backport from 2012-03-28 mainline r185907.
1114 * config.gcc (tm_file): Remove avr/multilib.h.
1116 * doc/invoke.texi (AVR Options): Adjust
1117 documentation of -mtiny-stack.
1119 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1120 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1121 * config/avr/t-avr: Remove generation of multilib.h.
1122 * config/avr/t-multilib: Regenerate.
1123 * config/avr/multilib.h: Remove.
1124 * config/avr/avr.opt (-msp8): New option.
1125 (avr_sp8): New variable.
1126 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1127 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1128 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1129 (avr_device_to_sp8): New prototype.
1130 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1131 (DRIVER_SELF_SPECS): New define.
1132 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1133 __AVR_SP8__, __AVR_HAVE_SPH__.
1134 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1135 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1136 (avr_file_start): Ditto.
1138 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1141 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1142 instead of 8 in adjust_address.
1144 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1146 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1147 of a unit before computing the offset in units.
1149 2012-03-27 Richard Guenther <rguenther@suse.de>
1152 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1155 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1158 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1160 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1163 * varasm.c: Include pointer-set.h.
1164 (pending_assemble_externals_set): New pointer set.
1165 (process_pending_assemble_externals): Destroy the pointer set.
1166 (assemble_external): See if decl is in pending_assemble_externals_set,
1167 and add it to pending_assemble_externals if necessary.
1168 (init_varasm_once): Allocate pending_assemble_externals_set.
1170 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1172 Backported from mainline
1173 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1176 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1177 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1178 (vector_ltgt<mode>): Likewise.
1179 (vector_ordered<mode>): Likewise.
1180 (vector_unordered<mode>): Likewise.
1181 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1183 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1185 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1188 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1190 Backported from mainline
1191 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1195 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1196 GENERAL_REGS and FP_REGS for SImode.
1198 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1201 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1202 on any new_local_var_chain vars declared during recursing on
1203 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1205 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1207 Backport from 2012-03-22 mainline r185692.
1210 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1211 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1212 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1213 (delay_cycles_1, delay_cycles_2): Ditto.
1214 (delay_cycles_3, delay_cycles_4): Ditto.
1215 (nopv, *nopv): Ditto.
1216 (sleep, *sleep): Ditto.
1219 Backport from 2012-03-21 mainline r185605.
1221 PR rtl-optimization/52543
1223 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1224 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1225 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1226 (avr_load_libgcc_p): Restrict to __flash loads.
1227 (avr_out_lpm): Only handle 1-byte loads from __flash.
1228 (avr_load_lpm): New function.
1229 (avr_find_unused_d_reg): Remove.
1230 (avr_out_lpm_no_lpmx): Remove.
1231 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1232 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1233 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1234 (load_<mode>, load_<mode>_clobber): New insns.
1235 (mov<mode>): For multi-byte move from non-generic
1236 16-bit address spaces: Expand to load_<mode> resp.
1237 load_<mode>_clobber.
1238 (load<mode>_libgcc): Remove expander.
1239 (split-lpmx): Remove split.
1241 Backport from 2012-03-13 mainline r185329.
1244 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1245 offset (size) to a value the insns can deal with.
1246 (expand_epilogue): Ditto.
1248 Backport from 2012-03-12 mainline r185256.
1251 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1252 type from reg_class_t to enum reg_class.
1253 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1255 Backport from 2012-03-12 mainline r185253.
1258 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1259 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1260 r184615 from 2012-02-28.
1262 Backport from 2012-03-08 mainline r185105.
1264 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1265 for constants in [-63,63].
1267 Backport from 2012-03-08 mainline r185100.
1270 * config/avr/avr.c (avr_mem_clobber): New static function.
1271 (avr_expand_delay_cycles): Add memory clobber operand to
1272 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1273 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1274 (enable_interrupt, disable_interrupt): New expander.
1275 (nopv, sleep, wdr): New expanders.
1276 (delay_cycles_1): Add memory clobber.
1277 (delay_cycles_2): Add memory clobber.
1278 (delay_cycles_3): Add memory clobber.
1279 (delay_cycles_4): Add memory clobber.
1280 (cli_sei): New insn from former "enable_interrupt",
1281 "disable_interrupt" with memory clobber.
1282 (*wdt): New insn from former "wdt" with memory clobber.
1283 (*nopv): Similar, but for "nopv".
1284 (*sleep): Similar, but for "sleep".
1286 Backport from 2012-03-07 mainline r185043.
1289 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1291 Backport from 2012-03-07 mainline r185032.
1294 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1295 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1296 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1298 Backport from 2012-03-07 mainline r185031.
1301 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1303 * config/avr/avr.md (xload_8): Adjust insn length.
1305 Backport from 2012-03-07 mainline r185030.
1308 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1309 if RAMPZ affects reading from RAM.
1311 Backport from 2012-03-05 mainline r184919.
1313 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1315 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1317 Backport from mainline r185259.
1320 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1321 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1323 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1325 Backported from mainline
1326 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1329 * c-parser.c (c_parser_postfix_expression)
1330 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1332 * config/i386/smmintrin.h: Avoid /* within a comment.
1333 * config/i386/nmmintrin.h: Likewise.
1335 2012-03-22 Richard Guenther <rguenther@suse.de>
1337 * BASE-VER: Set to 4.7.1.
1338 * DEV-PHASE: Set to prerelease.
1340 2012-03-22 Release Manager
1342 * GCC 4.7.0 released.
1344 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1346 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1348 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1349 Andrew Pinski <apinski@cavium.com>
1352 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1353 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1354 calls instead of __builtin_ir{int,ound}*.
1356 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1359 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1362 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1364 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1365 Refer to GCC 4.7 version of c99status.html.
1367 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1369 Backport from mainline
1370 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1372 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1373 redefine to be NULL if the current bit-size is different from the
1374 configured bit-size.
1376 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1377 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1378 set the default tuning. Add asserts to make sure the cpu and tune
1379 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1380 test whether the index is set, instead of > 0.
1381 (rs6000_file_start): Do not reset the default cpu if the current
1382 bit-size is different from the configured bit-size.
1384 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1386 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1388 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1389 Update binutils references.
1390 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1391 Update binutils reference.
1392 Update Sun as/GNU ld caveat.
1393 Document binutils largefile requirement for LTO plugin.
1394 Remove reference to alternate libpthread.
1396 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1398 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1400 (Specific, mips-sgi-irix6): Likewise.
1402 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1404 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1405 * configure: Regenerate.
1407 2012-03-07 Richard Henderson <rth@redhat.com>
1409 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1410 * config/m68k/sync.md (atomic_test_and_set): Use it.
1411 (atomic_test_and_set_1): Likewise.
1413 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1416 * Makefile.in: Let install-gcc-ar depend on installdirs,
1417 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1418 Don't double canonicalize if cross-compiling.
1420 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1422 * trans-mem.c: New typedef for tm_region_p.
1423 Define vector types for tm_region_p.
1424 (tm_region_init): Replace region_worklist to a vector called
1427 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1430 * trans-mem.c (tm_region_init): Use last_basic_block.
1432 2012-03-05 Richard Henderson <rth@redhat.com>
1435 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1436 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1437 BIGGEST_ALIGNMENT is aligned.
1439 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1441 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1443 2012-03-05 Richard Henderson <rth@redhat.com>
1446 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1447 instead of calling negqi2 directly.
1449 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1451 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1452 (INTMAX_TYPE): Use it.
1453 (UINTMAX_TYPE): Likewise.
1454 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1455 (irix6_c_common_override_options): Declare.
1456 (C_COMMON_OVERRIDE_OPTIONS): Define.
1457 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1458 * config/mips/irix6-c.c: New file.
1459 * config/mips/t-irix6 (irix6-c.o): New target.
1460 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1463 2012-03-02 Richard Henderson <rth@redhat.com>
1465 * optabs.c (expand_atomic_test_and_set): Honor
1466 atomic_test_and_set_trueval even when atomic_test_and_set
1467 optab is not in use.
1469 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1471 Backport from mainline
1472 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1474 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1476 2012-03-02 Richard Guenther <rguenther@suse.de>
1478 * DEV-PHASE: Set to prerelease.
1480 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1482 * config.gcc (obsolete): Add all ARM targets using the FPA.
1483 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1484 * doc/install.texi: Avoid references to obsolete ARM ports.
1486 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1488 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1490 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1491 Joern Rennecke <joern.rennecke@embecosm.com>
1493 * doc/extend.texi: Expand and update information on interrupt
1494 attribute for Epiphany.
1496 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1498 * config/sh/sh-protos.h: Update copyright notice dates.
1499 * config/sh/sh.h: Likewise.
1500 * config/sh/sh.md: Likewise.
1501 * config/sh/constraints.md: Likewise.
1502 * config/sh/predicates.md: Likewise.
1504 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1506 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1507 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1509 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1511 * config/sh/constraints.md: Fix comment typo.
1513 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1516 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1517 unsigned HOST_WIDE_INT.
1518 (zvdep_imm64): Likewise.
1519 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1520 (vdepi_and): Likewise.
1521 Likewise for unamed 64-bit patterns.
1522 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1524 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1527 PR rtl-optimization/52417
1528 * cselib.c (cselib_any_perm_equivs): New variable.
1529 (cselib_reset_table): Check that it's not set when not
1530 preserving constants.
1531 (cselib_add_permanent_equiv): Set it.
1532 (cselib_have_permanent_equivalences): New.
1533 (cselib_init, cselib_finish): Reset it.
1534 * cselib.h (cselib_have_permanent_equivalences): Declare.
1535 * alias.c (get_addr): Restore earlier behavior when there
1536 aren't permanent equivalences.
1538 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1540 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1541 * config/v850/v850-modes.def: Fix copyright notice.
1543 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1545 * doc/extend.texi (AVR Built-in Functions): Document
1546 __builtin_avr_flash_segment.
1548 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1549 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1550 (*split.flash_segment): New insn-and-split.
1551 * config/avr/avr.c (avr_init_builtins): Add local variables:
1552 const_memx_void_node, const_memx_ptr_type_node,
1553 char_ftype_const_memx_ptr.
1555 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1557 PR tree-optimization/52445
1558 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1559 add ssa_name_ver, offset and size fields and change store field
1561 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1562 (add_or_mark_expr): Likewise. Only consider previous stores
1563 with the same size and offset.
1564 (nt_init_block): Only look at gimple_assign_single_p stmts,
1565 doesn't look at rhs2.
1567 2012-03-01 Richard Guenther <rguenther@suse.de>
1570 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1571 conversions from integral types to pointer types.
1573 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1575 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1576 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1577 unintentionally removed in r184616.
1579 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1581 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1584 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1585 Uros Bizjak <ubizjak@gmail.com>
1588 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1589 alternatives, add "e" constraint to the new last alternative
1590 and ! to last 3 alternatives.
1592 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1594 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1595 DW_AT_artificial attributes at the end of the processing.
1596 (gen_array_type_die): Likewise.
1597 (gen_enumeration_type_die): Likewise.
1598 (gen_struct_or_union_type_die): Likewise.
1599 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1602 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1605 * expr.c (expand_assignment): If doing misaligned store that doesn't
1606 cover all mode bits, perform a RMW cycle.
1608 PR tree-optimization/52429
1609 * tree-parloops.c (separate_decls_in_region_debug): Return early
1610 if var is LABEL_DECL.
1612 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1614 PR tree-optimization/52424
1615 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1616 calling dom_thread_across_edge.
1618 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1620 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1622 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1624 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1625 * config/avr/avr.c (avr_output_bld): Remove unused function.
1626 (avr_out_sbxx_branch): Use "%T" to print bit position.
1628 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1630 * config/avr/avr.md: Untabify.
1632 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1634 * config/avr/avr.md (eqne): New code iterator.
1635 (*dec-and-branchsi): Use it in text peephole's condition.
1636 (*dec-and-branchhi): Ditto.
1637 (*dec-and-branchqi): Ditto.
1639 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1642 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1643 the device does not have the skip-bug.
1645 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1647 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1648 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1649 -mpretend-cmove): New.
1651 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1654 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1655 doesn't count DEBUG_INSN refs.
1656 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1657 for DEBUG_INSN refs.
1659 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1663 2012-02-20 Richard Guenther <rguenther@suse.de>
1664 PR tree-optimization/52298
1665 * tree-vect-stmts.c (vectorizable_load): Properly use
1666 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1669 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1672 * gimple.h (gimple_in_transaction): New.
1673 (gimple_set_in_transaction): New.
1674 (struct gimple_statement_base): Add in_transaction field.
1675 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1677 (tree_ssa_lim_initialize): Compute transaction bits.
1678 * tree.h (compute_transaction_bits): Protoize.
1679 * trans-mem.c (tm_region_init): Use the heap to store BB
1681 (compute_transaction_bits): New.
1683 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1685 * gcc.c (display_help): Document --help=common and sort entries
1688 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1690 * doc/install.texi: Document check-$LANG specific shortcuts
1692 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1695 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1697 * config/arm/arm_neon.h: Regenerate.
1698 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1699 (neon_vcgeu): New insn.
1700 (neon_vcgtu): Likewise.
1701 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1702 (ops): Unsigned comparison intrinsics call a different
1705 2012-02-28 Richard Guenther <rguenther@suse.de>
1708 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1709 ordering for the VEC_CONCAT for two element vectors for
1710 V2SFmode, V2SImode and V2DImode.
1712 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1715 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1716 detecting big-endian triplets.
1718 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1720 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1721 mode if there is no type information available.
1723 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1725 PR tree-optimization/53207
1726 * doc/invoke.texi: Document as experimental and relying on graphite.
1728 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1730 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1731 of initializer to changes from r184614.
1733 2012-02-28 Richard Guenther <rguenther@suse.de>
1735 PR tree-optimization/52395
1736 * tree-sra.c (build_ref_for_offset): Also look at the base
1737 TYPE_ALIGN when figuring out the alignment of the replacement.
1739 2012-02-28 Richard Guenther <rguenther@suse.de>
1741 PR tree-optimization/52402
1742 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1743 mis-aligned types when creating the accesses at the call site.
1745 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1747 * config/avr/builtins.def: New file.
1748 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1749 * config/avr/avr.c (enum avr_builtin_id): Use it.
1750 (avr_init_builtins): Use it. And use avr_bdesc.
1751 (bdesc_1arg): Remove.
1752 (bdesc_2arg): Remove.
1753 (bdesc_3arg): Remove.
1754 (struct avr_builtin_description): Add field n_args.
1755 (avr_bdesc): New static variable using builtins.def.
1756 (avr_expand_builtin): Use it.
1757 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1758 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1759 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1761 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1764 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1765 match only one single hard register with respective hard reg rtx.
1766 (movmemx_<mode>): Ditto.
1767 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1768 insn anatomy of movmem[x]_<mode>.
1769 (avr_out_movmem): Same for printing assembler and operand usage.
1771 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1775 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1776 address spaces located outside of device flash.
1778 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1779 (mcu_type_s): Add field n_flash.
1780 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1781 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1782 (AVR_MCU): Add N_FLASH argument.
1783 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1784 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1785 macro __FLASH<n> if that address space makes sense for the device.
1786 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1787 outside of target flash.
1788 (avr_asm_named_section): Ditto.
1789 (avr_asm_select_section): Ditto.
1790 (avr_addr_space_convert): Ditto.
1791 (avr_emit_movmemhi): Ditto.
1792 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1793 address space is outside of device flash.
1794 (avr_insert_attributes): Ditto.
1795 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1796 avr_current_arch->n_segments.
1798 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1801 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1803 (*movabs<mode>_2): Likewise.
1805 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1808 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1809 s_register_operand in the test instead of REG_P. Don't call
1810 gen_reg_rtx if it won't be used.
1812 PR tree-optimization/52376
1813 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1815 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1817 * ifcvt.c (noce_get_condition): Check condition variable is not
1818 small_register_classes_for_mode_p before accepting.
1820 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1822 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1824 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1827 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1828 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1830 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1832 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1834 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1836 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1838 * config/sh/predicates.md: Remove blank lines.
1839 * config/sh/sh.c: Fix typos in comments.
1840 * config/sh/constraints.md: Likewise.
1841 * config/sh/sh.md: Remove blank lines.
1842 Fix typos in comments. Use ;; as comment characters.
1844 2012-02-26 Walter Lee <walt@tilera.com>
1846 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1847 (replace_mov_pcrel_step2): Ditto.
1849 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1852 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1853 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1854 and locs that reference values newer than the non-canonical value
1855 at hand. Return the canonical value as a worst case.
1856 (memrefs_conflict_p): Walk canonical value's locs.
1859 * cselib.c (preserve_only_constants): Rename to...
1860 (preserve_constants_and_equivs): ... this. Split out...
1861 (invariant_or_equiv_p): ... this. Preserve plus expressions
1862 of other preserved expressions too.
1863 (cselib_reset_table): Adjust.
1864 * var-tracking.c (reverse_op): Use canonical value to build
1867 2012-02-23 Kai Tietz <ktietz@redhat.com>
1869 * config/i386/i386.c (ix86_delegitimize_address): Handle
1870 UNSPEC_PCREL plus displacement.
1872 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1875 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1876 to test for unusedness in st X addressing.
1878 2012-02-24 Richard Guenther <rguenther@suse.de>
1881 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1882 (is_gimple_reg_type): Move inline ...
1883 * gimple.h (is_gimple_reg_type): ... here.
1885 2012-02-24 Richard Guenther <rguenther@suse.de>
1888 * passes.c (execute_function_todo): When verifying SSA form
1889 verify gimple form first.
1890 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1892 2012-02-24 Richard Guenther <rguenther@suse.de>
1895 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1896 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1898 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1900 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1902 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1904 * tree-phinodes.c (make_phi_node): Mark static.
1905 * tree-flow.h (make_phi_node): Remove extern decl.
1906 * doc/gimple.texi (make_phi_node): Remove documentation.
1908 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1910 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1911 * tree-ssa-sccvn.c (print_scc): Ditto.
1913 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1915 * doc/passes.texi (Full redundancy elimination): Fix typo.
1917 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1919 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1921 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1924 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1926 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1929 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1931 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1933 * config/avr/avr.md (code_stdname): Add ior, xor.
1934 (xior): New code iterator.
1935 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1936 (*<code_stdname><mode>qi.byte1-3): Ditto.
1938 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1940 PR tree-optimization/52019
1941 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1944 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1946 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1947 HAVE_INITFINI_ARRAY to work around namespace pollution in
1948 certain versions of newlib system headers.
1949 * config.in: Regenerate.
1950 * configure: Regenerate.
1951 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1952 instead of HAVE_INITFINI_ARRAY.
1954 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1957 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1958 is not offsettable memory reference.
1960 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1963 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1964 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1966 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1968 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1969 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1971 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1973 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1974 library on Solaris 8 even without TLS support.
1975 * configure: Regenerate.
1977 2012-02-22 Richard Guenther <rguenther@suse.de>
1980 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1981 for GIMPLE_DEBUG stmts.
1983 2012-02-22 Martin Jambor <mjambor@suse.cz>
1986 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1987 according to the base object.
1989 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1991 PR rtl-optimization/50063
1992 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1993 and 2 (8-bit SP) in operand 2.
1994 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1995 setup to use movhi_sp_r instead of vanilla move to write SP.
1996 Adjust REG_CFA notes to superseed unspec.
1997 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1999 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2000 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2001 irq_state 1 (IRQ known to be on) here.
2003 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2005 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2007 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2008 assign_hard_reg): Likewise.
2010 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2012 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2014 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2017 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2018 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2020 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2022 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2023 prototype from here to...
2024 * config/avr/avr.h: ...here.
2026 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2029 * thumb2.md (thumb2_shiftsi3_short): Split register and
2030 immediate shifts. For register shifts tie operands 0 and 1.
2031 (peephole2 for above): Check that register-controlled shifts
2032 have suitably tied operands.
2034 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2037 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2038 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2039 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2040 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2041 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2042 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2043 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2044 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2045 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2046 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2047 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2048 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2049 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2050 bdver1_ssevector_avx256_unaligned_load,
2051 bdver1_ssevector_sse128_unaligned_load,
2052 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2053 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2054 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2055 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2056 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2057 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2058 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2059 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2060 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2061 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2062 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2063 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2064 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2065 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2066 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2067 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2068 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2069 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2070 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2071 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2072 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2073 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2074 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2075 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2076 bdver1_ssediv_double_load, bdver1_ssediv_double,
2077 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2078 Add "bdver2" attribute.
2080 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2082 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2083 default if possible and not specified otherwise.
2085 2012-02-21 Richard Guenther <rguenther@suse.de>
2088 * gimplify.c (create_tmp_from_val): Use the main variant type
2089 for the type of the temporary we create.
2091 2012-02-21 Richard Guenther <rguenther@suse.de>
2093 PR tree-optimization/52324
2094 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2095 do not gimplify a MEM_REF address operand if it is already
2098 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2100 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2101 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2103 2012-02-21 Richard Guenther <rguenther@suse.de>
2105 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2106 nested_in_vect_loop.
2108 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2110 PR tree-optimization/52318
2111 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2112 vdef also to non-pure/const call stmts in the sequence.
2114 2012-02-20 David S. Miller <davem@davemloft.net>
2116 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2117 don't use the "rd %pc" instruction on v9 for PIC register loads.
2119 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2122 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2123 in a transaction safe function.
2125 2012-02-20 Kai Tietz <ktietz@redhat.com>
2128 * stor-layout.c (place_field): Handle desired_align for
2131 2012-02-20 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/52298
2134 * tree-vect-stmts.c (vectorizable_store): Properly use
2135 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2137 (vectorizable_load): Likewise.
2138 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2139 Access DR_STEP after ensuring it is not NULL.
2141 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2143 PR tree-optimization/52286
2144 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2145 optimization use double_int_to_tree instead of build_int_cst_wide,
2146 rewrite to use double_int vars.
2148 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2151 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2153 Remove -e 0 from $gcc_cv_ld invocation.
2154 Only use __GLIBC_PREREQ if defined.
2155 Enable on Solaris since Solaris 8 patch.
2156 (gcc_SUN_LD_VERSION): New macro.
2157 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2158 gcc_SUN_LD_VERSION for version number format.
2159 * configure: Regenerate.
2160 * varasm.c (get_elf_initfini_array_priority_section): Set
2161 SECTION_NOTYPE for non-default priority.
2162 Use get_section instead of get_unnamed_section to emit
2163 .init_array/.fini_array with default priority.
2165 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2167 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2168 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2169 (mips_start_unique_function, mips_output_mips16_rdhwr)
2170 (mips_code_end): New functions.
2171 (TARGET_ASM_CODE_END): Define.
2173 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2175 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2176 to stubs with non-sibling calls.
2178 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2180 * doc/invoke.texi (-fira-* options): Copy-edit.
2181 (ira-* parameters): Copy-edit.
2183 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2185 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2186 GCC coding conventions.
2188 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2190 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2191 when used as adjectives.
2193 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2195 * doc/invoke.texi: Clean up "that"/"which" confusion.
2197 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2199 * system.h: Poison SMALL_REGISTER_CLASSES
2200 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2201 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2203 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2205 PR tree-optimization/52285
2206 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2207 when deciding if a call is a tail call or tail recursion.
2209 2012-02-16 Kai Tietz <ktietz@redhat.com>
2211 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2212 interger-constant displacement for UNSPEC_PCREL.
2214 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2216 PR rtl-optimization/52208
2217 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2218 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2220 PR tree-optimization/52255
2221 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2222 loop->header has virtual PHI, but exit_e->dest doesn't, add
2223 virtual PHI to exit_e->dest and adjust all uses after the loop.
2226 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2227 children with clone_tree_hash, not after it.
2229 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2231 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2232 extended identifiers.
2234 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2237 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2238 a same_body_alias, also test whether e->callee isn't a former
2239 or current clone of the decl this is a same body alias of.
2241 PR translation/52264
2242 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2244 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2246 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2248 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2251 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2252 force_reg instead of copy_to_reg for better optimization. Force
2253 non-register or memory operands into a register.
2255 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2257 * extend.texi: Reserve upper bits of memory model for future use.
2259 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2260 Anatoly Sokolov <aesok@post.ru>
2261 Eric Weddington <eric.weddington@atmel.com>
2264 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2265 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2266 Rewrite initializers for .macro.
2267 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2268 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2269 atxmega32d4, atxmega32x1.
2270 avrxmega4: atxmega64a3, atxmega64d3.
2271 avrxmega5: atxmega64a1, atxmega64a1u.
2272 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2273 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2274 avrxmega7: atxmega128a1, atxmega128a1u.
2275 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2276 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2277 (struct base_arch_s): Rename reserved to xmega_p.
2278 Rename reserved2 to have_rampd.
2279 (AVR_XMEGA): New define.
2280 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2281 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2282 * config/avr/predicates.md (io_address_operand): Take into
2284 (low_io_address_operand): Ditto.
2285 (high_io_address_operand): Ditto.
2286 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2287 (enabled, movhi_sp_r): Use them.
2288 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2289 cpp_define_formatted to built-in define __AVR_ARCH__.
2290 (__AVR_XMEGA__): New built-in define.
2291 (__AVR_HAVE_RAMPD__): New built-in define.
2292 (__AVR_HAVE_RAMPX__): New built-in define.
2293 (__AVR_HAVE_RAMPY__): New built-in define.
2294 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2296 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2297 (avr_option_override): Initialize them.
2298 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2299 (avr_init_expanders): Initialize them. No more block several calls.
2300 (emit_push_sfr): New static function.
2301 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2303 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2304 (avr_print_operand): Print addreeses as symbols for
2305 RAMPX, RAMPY, RAMPD, CCP.
2306 (output_movhi): Handle AVR_XMEGA when writing to SP.
2307 (avr_out_movhi_mr_r_xmega): New static function.
2308 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2309 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2310 __RAMPD__, __CCP__ as needed.
2312 * config/avr/multilib.h: Regenerate.
2313 * config/avr/t-multilib: Regenerate.
2314 * config/avr/avr-tables.opt: Regenerate.
2316 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2318 PR tree-optimization/50561
2319 * graphite-flattening.c (lst_project_loop): Do not
2320 remove old scattering dimensions after flattening.
2321 (lst_do_flatten): Likewise.
2323 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2325 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2326 __builtin_avr_map8, __builtin_avr_map16.
2327 Document __builtin_avr_insert_bits.
2329 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2330 (insert_bits): New insn.
2331 (adjust_len.map_bits): Rename to insert_bits.
2332 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2333 * avr-protos.h (avr_out_map_bits): Remove.
2334 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2335 * config/avr/constraints.md (Cxf,C0f): New.
2336 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2337 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2338 New built-in define __BUILTIN_AVR_INSERT_BITS.
2339 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2340 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2341 (avr_move_bits): Rewrite.
2342 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2344 (avr_map_op_t): New typedef.
2345 (avr_map_op): New static variable.
2346 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2347 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2348 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2349 (bdesc_3arg, avr_expand_triop_builtin): New.
2350 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2351 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2352 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2353 (avr_map_equal_p, avr_map_sig_p): Remove.
2354 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2355 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2356 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2357 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2358 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2359 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2361 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2363 * config/c6x/c6x.md (reserve_cycles): New attribute.
2364 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2365 don't reserve functional units after the branch occurs.
2367 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2370 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2371 functions into non-tm_pure functions.
2373 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2376 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2377 (iterative_hash_canonical_type): Likewise.
2378 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2381 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2383 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2384 sched-group insn, it either remains alone or the entire list is pruned.
2386 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2388 * doc/install.texi (Prerequisites): Fix grammar.
2389 (Configuration): Likewise.
2391 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2393 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2394 MPC as part of GCC before describing configuring with --with-gmp etc.
2395 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2396 sources are present.
2398 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2401 * dwarf2out.c (clone_tree_hash): New function.
2402 (copy_decls_walk): Use it instead of clone_tree.
2404 2012-02-14 Richard Guenther <rguenther@suse.de>
2406 PR tree-optimization/52244
2407 PR tree-optimization/51528
2408 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2409 replacements for integral types.
2411 2012-02-14 Walter Lee <walt@tilera.com>
2413 * config.gcc: Handle tilegx and tilepro.
2414 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2416 Add HAVE_AS_TLS check for tilegx and tilepro.
2417 * configure: Regenerate.
2418 * doc/contrib.texi: Add Mat Hostetter and self.
2419 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2420 Document instruction intrinsics and network accessing intrinsics.
2421 (TILEPro Built-in Functions): New node. Document instruction
2422 intrinsics and network accessing intrinsics.
2423 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2424 (Specific, tilepro-*-linux*): Likewise.
2425 * doc/invoke.texi (TILE-Gx Options): New section.
2426 (TILEPro Options): New section.
2427 * doc/md.texi (TILE-Gx): New section.
2428 (TILEPro): New section.
2429 * common/config/tilegx/tilegx-common.c: New file.
2430 * common/config/tilepro/tilepro-common.c: New file.
2431 * config/tilegx/constraints.md: New file.
2432 * config/tilegx/linux.h: New file.
2433 * config/tilegx/mul-tables.c: New file.
2434 * config/tilegx/predicates.md: New file.
2435 * config/tilegx/sync.md: New file.
2436 * config/tilegx/t-tilegx: New file.
2437 * config/tilegx/tilegx-builtins.h: New file.
2438 * config/tilegx/tilegx-c.c: New file.
2439 * config/tilegx/tilegx-generic.md: New file.
2440 * config/tilegx/tilegx-modes.def: New file.
2441 * config/tilegx/tilegx-multiply.h: New file.
2442 * config/tilegx/tilegx-protos.h: New file.
2443 * config/tilegx/tilegx.c: New file.
2444 * config/tilegx/tilegx.h: New file.
2445 * config/tilegx/tilegx.md: New file.
2446 * config/tilegx/tilegx.opt: New file.
2447 * config/tilepro/constraints.md: New file.
2448 * config/tilepro/gen-mul-tables.cc: New file.
2449 * config/tilepro/linux.h: New file.
2450 * config/tilepro/mul-tables.c: New file.
2451 * config/tilepro/predicates.md: New file.
2452 * config/tilepro/t-tilepro: New file.
2453 * config/tilepro/tilepro-builtins.h: New file.
2454 * config/tilepro/tilepro-c.c: New file.
2455 * config/tilepro/tilepro-generic.md: New file.
2456 * config/tilepro/tilepro-modes.def: New file.
2457 * config/tilepro/tilepro-multiply.h: New file.
2458 * config/tilepro/tilepro-protos.h: New file.
2459 * config/tilepro/tilepro.c: New file.
2460 * config/tilepro/tilepro.h: New file.
2461 * config/tilepro/tilepro.md: New file.
2462 * config/tilepro/tilepro.opt: New file.
2464 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2466 PR tree-optimization/52210
2467 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2468 vect_model_simple_cost with two entry vect_def_type array instead
2469 of an address of dt.
2471 2012-02-14 Richard Guenther <rguenther@suse.de>
2474 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2475 Do not stream DECL_QUALIFIER.
2476 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2477 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2478 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2480 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2483 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2486 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2489 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2490 * cselib.c (cselib_subst_to_values_from_insn): New function.
2491 * sched-deps.c (add_insn_mem_dependence,
2492 sched_analyze_1, sched_analyze_2): Use it.
2494 2012-02-13 Jan Hubicka <jh@suse.cz>
2497 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2499 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2501 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2502 (GTM_SELF_SPECS): Define if not already defined.
2503 (driver_self_specs): Add GTM_SELF_SPECS.
2504 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2505 (GTM_SELF_SPECS): Define.
2506 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2507 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2509 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2511 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2514 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2517 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2518 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2520 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2523 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2525 2012-02-13 Richard Guenther <rguenther@suse.de>
2527 PR translation/52211
2528 * passes.c (enable_disable_pass): Fix typo.
2530 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2533 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2534 XOR for reduce_bit_field if type is unsigned.
2536 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2538 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2539 disallow changes from SFmode to mode with different size in FP regs.
2541 2012-02-12 Robert Millan <rmh@gnu.org>
2542 Gerald Pfeifer <gerald@pfeifer.com>
2544 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2547 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2549 PR rtl-optimization/52175
2550 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2551 to frame-related instructions.
2553 2012-02-10 Jason Merrill <jason@redhat.com>
2556 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2557 (demangle_new_symbols): Fill it.
2558 (scan_linker_output): Walk it.
2559 (start_tweaking): Split out from scan_linker_output.
2560 (maybe_tweak): Update sym->chosen.
2561 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2563 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2566 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2568 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2570 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2571 having the same mode as previous compare.
2573 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2575 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2576 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2577 (nonlocal_goto_internal): Likewise.
2578 (nonlocal_goto): Emit a use and an indirect jump directly.
2580 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2583 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2584 __atomic_{is,always}_lock_free.
2586 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2589 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2590 negative constant address for x32.
2592 2012-02-10 Richard Henderson <rth@redhat.com>
2594 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2595 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2596 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2598 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2599 Ira Rosen <irar@il.ibm.com>
2601 PR tree-optimization/50031
2602 * targhooks.c (default_builtin_vectorization_cost): Handle
2604 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2605 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2606 all types of reduction and pattern statements.
2607 (vect_estimate_min_profitable_iters): Likewise.
2608 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2609 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2610 for explicit realigns.
2611 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2612 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2614 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2615 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2616 vec_perm for VSX and handle vec_promote_demote.
2618 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2621 * builtins.c (fold_builtin_atomic_always_lock_free,
2622 expand_builtin_atomic_always_lock_free,
2623 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2624 Return and/or test boolean_true_node/boolean_false_node instead of
2625 integer_one_node/integer_zero_node.
2627 2012-02-10 Jan Hubicka <jh@suse.cz>
2630 * predict.c (predict_paths_for_bb): Prevent looping.
2631 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2633 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2635 * config/arm/arm.c (output_move_double): In one case properly
2636 count number of instructions that will be emitted.
2638 2012-02-10 Richard Guenther <rguenther@suse.de>
2640 PR translation/52193
2641 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2643 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2646 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2648 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2651 * var-tracking.c (emit_note_insn_var_location): If
2652 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2653 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2654 non-NOTE_DURING_CALL_P insn.
2656 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2659 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2661 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2664 * gcc.c (switch_matches) Support switches with separated form,
2667 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2669 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2671 (RAMPZ_ADDR): Ditto.
2672 * config/avr/avr.c (avr_addr_t): New typedef.
2673 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2674 (avr_init_expanders): Initialize it.
2675 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2677 (expand_epilogue): Ditto.
2678 (avr_print_operand): Ditto.
2679 (avr_file_start): Ditto.
2680 (avr_emit_movmemhi): Ditto.
2682 2012-02-08 Richard Guenther <rguenther@suse.de>
2684 PR tree-optimization/46886
2685 * tree-flow.h (do_while_loop_p): Declare.
2686 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2687 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2689 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2691 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2692 always succeed for integers larger than a native word.
2694 2012-02-08 Richard Guenther <rguenther@suse.de>
2696 PR rtl-optimization/52170
2697 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2698 properly handle integer vector modes.
2700 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2702 PR gcov-profile/52150
2703 * coverage.c: Include target.h.
2704 (build_var): Call targetm.strip_name_encoding on the assembler name.
2705 Change one _ into . or $ if the target allows it.
2706 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2708 PR rtl-optimization/52139
2709 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2710 is a BARRIER after emit_insn_after_noloc, move BB_END
2711 to the last non-BARRIER insn before it.
2713 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2716 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2717 (mips_gimplify_va_arg_expr): Call it instead of
2718 std_gimplify_va_arg_expr.
2720 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2722 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2723 message for -mno-pointers-to-nested-function.
2725 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2728 * expr.c (get_inner_reference): If there is an offset, add a negative
2729 bit position to it (if any).
2731 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2733 PR rtl-optimization/52060
2734 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2735 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2736 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2737 and/or i0src_copy2 when needed.
2739 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2741 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2742 or LTOPLUGINSONAME if have_c.
2744 * config/freebsd-spec.h: Add comment about what macros can be defined
2746 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2747 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2750 2012-02-07 Richard Guenther <rguenther@suse.de>
2752 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2753 newline in -alias dumps.
2755 2012-02-07 Kai Tietz <ktietz@redhat.com>
2756 Dave Korn <dave.korn.cygwin@gmail.com>
2759 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2760 Take care that typinfo gets dllexport-attribute.
2762 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2765 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2766 if modifier < EXPAND_SUM call force_operand on the result.
2768 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2770 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2771 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2773 (epiphany_function_type): Replace types for specific interrupts with
2774 EPIPHANY_FUNCTION_INTERRUPT.
2775 (EPIPHANY_INTERRUPT_P): Update.
2776 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2777 New static function.
2778 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2779 <disinterrupt>: Affects type identity.
2780 (epiphany_handle_interrupt_attribute): Handle variable number of
2782 (epiphany_compute_function_type): Update for new
2783 epiphany_function_type definition.
2784 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2785 handlers with a longcall forwarder.
2786 (epiphany_start_function): Handle multiple interrupt arguments and/or
2787 forwarder_section attribute.
2789 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2792 2012-02-07 Alan Modra <amodra@gmail.com>
2795 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2798 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2800 PR tree-optimization/50969
2801 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2802 use vec_perm rather than vector_stmt.
2803 (vect_model_load_cost): Likewise.
2804 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2805 vec_perm to be the same as other vector statements.
2806 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2807 cost of vec_perm for TARGET_VSX.
2809 2012-02-06 Richard Guenther <rguenther@suse.de>
2811 PR tree-optimization/52115
2812 * tree-sra.c (access_has_replacements_p): New function.
2813 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2815 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2818 * trans-mem.c (expand_call_tm): Add an assertion.
2819 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2822 2012-02-06 Richard Guenther <rguenther@suse.de>
2824 PR tree-optimization/50955
2825 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2826 raise cost of expressions that replace an address with an
2827 expression based on a different pointer.
2829 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2832 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2833 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2835 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2838 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2839 -Weffc++ and specify guidelines come from second edition.
2841 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2843 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2844 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2845 (call_direct_split, call_value_split, call_value_internal_direct)
2846 (call_value_direct_split, call_value_multiple_split): Use jal and
2847 jal_macro attributes.
2849 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2851 * reload1.c (reload_regs_reach_end_p): Replace with...
2852 (reload_reg_rtx_reaches_end_p): ...this function.
2853 (new_spill_reg_store): Update commentary.
2854 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2855 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2856 before setting new_spill_reg_store.
2857 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2858 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2859 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2860 for non-spill reload registers.
2862 2012-02-05 Ira Rosen <irar@il.ibm.com>
2864 PR tree-optimization/52091
2865 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2866 (vect_is_simple_use_1): Likewise.
2867 * tree-vect-loop.c (vectorizable_reduction): Update calls
2868 to vect_is_simple_use_1 and vect_is_simple_use.
2869 (vectorizable_live_operation): Likewise.
2870 * tree-vect-patterns.c (widened_name_p,
2871 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2872 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2873 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2874 vectorizable_shift,vectorizable_operation, vectorizable_store,
2875 vectorizable_load): Likewise.
2876 (vect_is_simple_cond): Add an argument, pass it to
2877 vect_is_simple_use_1.
2878 (vectorizable_condition): Update calls to vect_is_simple_cond,
2880 (vect_is_simple_use): Add an argument, the statement in which
2881 OPERAND is used. Check that if OPERAND's def stmt is a double
2882 reduction phi node, the use is a phi node too.
2883 (vect_is_simple_use_1): Add an argument, pass it to
2885 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2886 to vect_is_simple_use.
2888 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2890 PR rtl-optimization/52095
2891 * modulo-sched.c (dump_insn_locator): New function.
2892 (loop_canon_p, sms_schedule): Use it.
2894 PR rtl-optimization/52113
2895 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2896 even for decomposable shift/zext insns.
2898 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2899 Zdenek Dvorak <ook@ucw.cz>
2901 PR rtl-optimization/52092
2902 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2903 on get_iv_value result.
2905 2012-02-02 Andrew Pinski <apinski@cavium.com>
2909 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2911 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2914 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2916 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2918 PR rtl-optimization/49800
2919 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2920 (sched_finish): Call regstat_free_n_sets_and_refs.
2922 2012-02-02 Jia Liu <proljc@gmail.com>
2924 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2927 2012-02-02 Jan Hubicka <jh@suse.cz>
2928 Tom de Vries <tom@codesourcery.com>
2931 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2932 * varpool.c (varpool_analyze_pending_decls): Likewise.
2934 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2935 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2937 * config.gcc: Add cr16-* support.
2939 * doc/extend.texi: Document cr16 extensions.
2940 * doc/install.texi: Document cr16 install.
2941 * doc/invoke.texi: Document cr16 options.
2942 * doc/md.texi: Document cr16 constraints.
2944 * common/config/cr16/cr16-common.c: New file.
2945 * config/cr16/cr16.c: New file.
2946 * config/cr16/cr16.h: New file.
2947 * config/cr16/cr16.md: New file.
2948 * config/cr16/cr16.opt: New file.
2949 * config/cr16/cr16-protos.h: New file.
2950 * config/cr16/predicates.md: New file.
2951 * config/cr16/constraints.md: New file.
2952 * config/cr16/t-cr16: New file.
2954 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2957 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2958 that operands[2] is either immediate, or q_regs_operand.
2960 PR tree-optimization/52073
2961 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2962 a pattern stmt for pattern uses, ignore uses outside of the loop.
2964 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2966 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2967 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2968 (OUT_AS1, OUT_AS2): Remove.
2970 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2972 PR rtl-optimization/51374
2973 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2974 to cross other volatile_refs_p insns.
2976 2012-02-01 Richard Guenther <rguenther@suse.de>
2978 * doc/invoke.texi (fno-inline): Clarify documentation.
2979 (finline-small-functions): Likewise.
2980 (finline-functions): Likewise.
2981 * common.opt (finline): Adjust comment and documentation.
2982 (finline-small-functions): Clarify documentation.
2983 (finline-functions): Likewise.
2984 (finline-functions-called-once): Likewise.
2986 2012-02-01 Tristan Gingold <gingold@adacore.com>
2988 * c-typeck.c (composite_type): Keep mode for pointers.
2990 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2992 * function.h (regno_reg_rtx): Adjust comment.
2993 * reginfo.c (init_reg_modes_target): Only use the previous mode
2994 if it fits within one register. Remove MIPS comment.
2996 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2999 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3001 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3003 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3004 to srak instruction.
3006 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3008 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3010 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3015 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3017 2012-01-31 Richard Guenther <rguenther@suse.de>
3019 PR tree-optimization/51528
3020 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3023 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3028 * ree.c (add_removable_extension): Change def_map argument
3029 to unsigned *, store in def_map 1 + offset into *insn_list vector
3030 instead of pointers into the vector.
3031 (find_removable_extensions): Adjust caller.
3033 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3035 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3036 Transform all "* quoted-c-code" to { c-code }.
3037 Remove redundant test for "optimize" in combine patterns.
3038 Move (include "avr-dimode.md") to end of file.
3040 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3043 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3044 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3046 2012-01-30 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/52028
3049 * tree-loop-distribution.c (ldist_gen): Properly update
3052 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3055 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3056 set_cur_line_info_table if not emitting debug info.
3058 PR tree-optimization/52046
3059 * tree-vect-patterns.c (check_bool_pattern): Give up if
3060 a comparison could throw.
3063 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3065 2012-01-30 Richard Guenther <rguenther@suse.de>
3067 PR tree-optimization/52045
3068 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3069 SSA form if cfgcleanup did anything.
3071 2012-01-30 Richard Guenther <rguenther@suse.de>
3073 PR tree-optimization/52045
3074 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3075 before computing final todo.
3077 2012-01-30 Richard Guenther <rguenther@suse.de>
3079 PR tree-optimization/51528
3080 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3083 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3085 * df-problems.c (df_kill_notes): Check that the use refers
3086 to the note under examination.
3088 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3091 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3092 parameter and use short-lived pseudos.
3093 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3094 (sparc_expand_vector_init): Const-ify local variables and adjust
3095 calls to above functions.
3097 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3099 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3101 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3103 * doc/invoke.texi: Make usage of "compile time" and
3104 "run time"/"runtime" consistent throughout the file.
3106 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3108 * config/alpha/alpha.c (alpha_option_override): Default to
3109 full IEEE compliance mode for Go language.
3111 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3113 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3114 (LINK_SSP_SPEC): Define.
3116 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3119 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3122 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3124 * doc/invoke.texi: Correct hyphenation of "floating point",
3125 "double precision", and related terminology throughout the file.
3127 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3130 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3131 arm_general_register_operand predicate for operand 2 instead of
3134 2012-01-27 Ian Lance Taylor <iant@google.com>
3137 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3138 * builtins.c (expand_builtin_init_trampoline): Add onstack
3139 parameter. Change caller.
3140 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3141 * tree.c (build_common_builtin_nodes): Declare
3142 __builtin_init_heap_trampoline.
3144 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3146 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3147 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3148 * config/avr/avr.c: Ditto.
3149 (avr_regnames): Remove because unused.
3150 * config/avr/avr.md (*cpse.ne): New peephole.
3151 (*cpse.eq): New peephole from former cpse peepholes.
3153 2012-01-27 Michael Eager <eager@eagercon.com>
3155 * config/microblaze.c (microblaze_emit_compare): Correct
3156 test after pcmp instruction.
3158 2012-01-27 Richard Guenther <rguenther@suse.de>
3160 PR tree-optimization/52020
3161 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3163 2012-01-27 Richard Guenther <rguenther@suse.de>
3165 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3166 function non-const/pure.
3168 2012-01-27 Richard Guenther <rguenther@suse.de>
3170 PR tree-optimization/50444
3171 * tree-sra.c (build_ref_for_offset): Properly adjust the
3172 MEM_REF type for unaligned accesses.
3174 2012-01-27 Richard Guenther <rguenther@suse.de>
3176 PR tree-optimization/50444
3177 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3178 (expand_assignment): Use it. Properly handle misaligned
3179 bases when expanding stores to component references.
3180 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3183 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3186 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3187 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3188 * tree-data-ref.c (find_data_references_in_loop): Make static.
3189 (compute_all_dependences): Change return type to bool. Bail out
3190 for too many datarefs in a loop. Move the hunk resetting the data
3191 dependences vector from ...
3192 (compute_data_dependences_for_loop): ... here. Account for
3193 compute_all_dependences returning false.
3194 (compute_data_dependences_for_bb): Likewise.
3195 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3196 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3198 2012-01-27 Richard Guenther <rguenther@suse.de>
3201 * expr.c (store_field): Use the alias-set of the scratch memory
3204 2012-01-27 Tom de Vries <tom@codesourcery.com>
3206 PR tree-optimization/51990
3207 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3209 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3211 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3214 * var-tracking.c (reverse_op): Don't add any reverse operation
3215 if V already has any constant locations.
3217 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3219 * doc/invoke.texi: Correct usage of "command line" (noun)
3220 vs "command-line" (adjective) throughout.
3222 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3224 * doc/invoke.texi (Language Independent Options): Move
3225 -Wcoverage-mismatch blurb from here....
3226 (Warning Options): ...to here.
3228 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3230 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3231 Set rs6000_always_hint to false for 476.
3233 2012-01-27 Matthias Klose <doko@ubuntu.com>
3235 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3237 * incpath.c (add_standard_paths): Likewise.
3239 2012-01-27 Richard Henderson <rth@redhat.com>
3241 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3242 * config/m68k/sync.md (atomic_test_and_set): Rename from
3243 sync_test_and_setqi and adjust the operands.
3244 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3245 and unconditionally enable.
3247 2012-01-27 Richard Henderson <rth@redhat.com>
3249 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3250 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3251 (ldstub): Rename from ldstubqi.
3252 (ldstub<I24MODE>): Remove.
3254 2012-01-27 Richard Henderson <rth@redhat.com>
3256 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3257 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3258 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3259 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3260 * doc/tm.texi: Rebuild.
3262 2012-01-27 Richard Henderson <rth@redhat.com>
3264 * optabs.c (gen_atomic_test_and_set): Remove default.
3265 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3267 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3269 PR rtl-optimization/51978
3270 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3271 (combine_reaching_defs): Likewise.
3272 (struct re_info): Remove.
3273 (add_removable_extension): Remove x and data arguments,
3274 add insn, insn_list and def_map. Use the arguments directly
3275 instead of using struct re_info.
3276 (find_removable_extensions): Don't call add_removable_extension
3277 through note_stores, instead just call it with single_set
3279 (find_and_remove_re): Pass curr_cand->expr instead of
3280 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3282 2012-01-26 Michael Matz <matz@suse.de>
3284 PR tree-optimization/46590
3285 * cfgexpand.c: Revert last change (r183305).
3286 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3288 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3289 checking for emptiness.
3291 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3294 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3295 non-addressable non-BLKmode base correctly.
3297 2012-01-26 Michael Matz <matz@suse.de>
3299 PR tree-optimization/48794
3300 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3301 regions referenced from RESX/EH_DISPATCH.
3303 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3305 * config/s390/s390.h: Make BRANCH_COST an option.
3306 * config/s390/s390.opt: New option -mbranch-cost.
3308 2012-01-26 Richard Henderson <rth@redhat.com>
3310 Revert 2012-01-24 change:
3311 * trans-mem.c (requires_barrier): Do not instrument thread local
3312 variables and emit save/restore for them.
3314 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3317 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3320 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3322 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3325 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3328 Rename __pgm to __flash.
3329 Rename __pgm1 to __flash1.
3330 Rename __pgm2 to __flash2.
3331 Rename __pgm3 to __flash3.
3332 Rename __pgm4 to __flash4.
3333 Rename __pgm5 to __flash5.
3334 Rename __pgmx to __memx.
3335 * doc/extend.texi (AVR Named Address Spaces)
3336 Rename address space names as indicated above.
3337 * config/avr/avr.c (avr_addrspace): Ditto.
3339 * config/avr/avr-protos.h
3340 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3341 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3342 * config/avr/predicates.md: Ditto.
3343 * config/avr/avr.c Ditto, and
3344 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3345 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3347 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3348 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3349 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3350 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3351 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3352 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3353 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3354 * config/avr/avr.c: Ditto.
3355 * config/avr/avr.md: Ditto.
3357 2012-01-25 Jason Merrill <jason@redhat.com>
3360 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3362 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3364 PR tree-optimization/51987
3365 * tree-data-ref.c (get_references_in_stmt): Handle references in
3366 non-volatile GIMPLE_ASM.
3368 2012-01-25 Richard Guenther <rguenther@suse.de>
3370 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3371 bases are dereferenced.
3373 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3375 PR rtl-optimization/48374
3376 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3378 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3380 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3381 compute_data_dependences_for_loop returns false.
3382 * tree-parloops.c (loop_parallel_p): Likewise.
3384 2012-01-25 Richard Guenther <rguenther@suse.de>
3386 * tree.h (get_pointer_alignment_1): Declare.
3387 * builtins.c (get_pointer_alignment_1): New function.
3388 (get_pointer_alignment): Use it.
3390 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3392 PR rtl-optimization/48308
3393 * combine.c (enum undo_kind): Add UNDO_LINKS.
3394 (struct undo): Add member l to other_contents and where.
3395 (do_SUBST_LINK): New.
3397 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3398 (undo_all): Handle UNDO_LINKS.
3400 2012-01-25 Richard Henderson <rth@redhat.com>
3402 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3405 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3407 * optabs.c (gen_atomic_test_and_set): Use each argument.
3409 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3411 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3412 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3413 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3414 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3415 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3416 TARGET_PAIRED_SINGLE_FLOAT.
3418 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3420 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3421 (in_struct, return_val): Remove MEM documentation.
3422 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3423 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3424 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3426 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3427 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3428 * expr.c (store_field): Likewise.
3429 * function.c (assign_stack_temp_for_type): Likewise.
3430 * ifcvt.c (noce_try_cmove_arith): Likewise.
3431 * reload1.c (reload): Likewise.
3432 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3433 (alpha_set_memflags): Likewise.
3434 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3436 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3438 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3440 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3441 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3442 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3444 * cselib.c (cselib_rtx_varies_p): Delete.
3445 (cselib_invalidate_mem): Update call to canon_true_dependence.
3446 * dse.c (record_store, check_mem_read_rtx): Likewise.
3447 (scan_reads_nospill): Likewise.
3448 * cse.c (check_dependence): Likewise.
3449 (cse_rtx_varies_p): Delete.
3450 * expr.c (safe_from_p): Update call to true_dependence.
3451 * ira.c (validate_equiv_mem_from_store): Likewise.
3452 (memref_referenced_p): Likewise.
3453 * postreload-gcse.c (find_mem_conflicts): Likewise.
3454 * sched-deps.c (sched_analyze_2): Likewise.
3455 * store-motion.c (load_kills_store): Likewise.
3456 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3457 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3458 (compute_transp): Update call to canon_true_dependence.
3460 2012-01-25 Richard Henderson <rth@redhat.com>
3462 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3463 (maybe_emit_atomic_test_and_set): New.
3464 (expand_sync_lock_test_and_set): Use it.
3465 (expand_atomic_test_and_set): Likewise.
3466 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3467 the implementation; clarify implementation defined details.
3468 * doc/md.texi (atomic_test_and_set): Document.
3470 2012-01-25 Richard Henderson <rth@redhat.com>
3472 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3474 2012-01-25 Richard Henderson <rth@redhat.com>
3477 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3478 to effect no-op split.
3480 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3483 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3484 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3485 (BT_FN_VOID_PTR_INT_SIZE): New.
3486 (BT_FN_UINT_UINT_VAR): Remove.
3487 (BT_FN_UINT32_UINT32_VAR): New.
3488 (BT_FN_DOUBLE_VPTR): Remove.
3489 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3491 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3492 (_ITM_changeTransactionMode): Same.
3493 (_ITM_memmoveRtWt): Change return type to void.
3494 (_ITM_memcpyRtWt): Same.
3495 (_ITM_memsetW): Same.
3496 (_ITM_RaRD): Change types to double.
3501 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3503 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3504 Patrick Marlier <patrick.marlier@gmail.com>
3506 * trans-mem.c (requires_barrier): Do not instrument thread local
3507 variables and emit save/restore for them.
3509 2012-01-24 Jason Merrill <jason@redhat.com>
3512 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3513 output static aliases.
3515 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3518 * common.opt (-pie, -shared, pie, shared): Change from Common to
3520 * gcc.c (display_help): Display help for -pie and -shared.
3522 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3525 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3526 Remove note on size/offset limitation.
3527 (AVR Variable Attributes): Add example how to read data located
3528 with progmem. Refer to named address spaces.
3529 * doc/invoke.texi (AVR Options): Fix typo.
3531 2012-01-24 Richard Guenther <rguenther@suse.de>
3533 Forward-port to trunk
3534 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3537 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3538 op0 isn't sufficiently aligned and there is movmisalignM
3539 insn for mode, use it to load op0 into a temporary register.
3541 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3544 * target.def (const_not_ok_for_debug_p): New hook.
3545 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3547 * doc/tm.texi: Regenerated.
3548 * dwarf2out.c (const_ok_for_output_1): If
3549 targetm.const_not_ok_for_debug_p returns true, fail.
3550 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3552 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3554 2012-01-23 Kai Tietz <ktietz@redhat.com>
3557 * config/i386/predicates.md (symbolic_operand): Allow
3558 UNSPEC_PCREL as PIC expression for lea.
3559 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3560 * config/i386/i386.c (ix86_delegitimize_address): Handle
3561 UNSPEC_PCREL for none-MEM, too.
3563 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3565 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3566 (ipa_tm_create_version_alias): Same.
3568 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3571 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3572 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3574 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3575 Patrick Marlier <patrick.marlier@gmail.com>
3576 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3579 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3580 simple_object_start_read.
3582 2012-01-23 Richard Guenther <rguenther@suse.de>
3585 PR tree-optimization/51895
3586 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3587 parameter decomposition into BLKmode components.
3589 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3591 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3592 fake variables for restrict-qualified pointers whose pointed-to type
3593 contains a placeholder.
3595 2012-01-23 Richard Guenther <rguenther@suse.de>
3597 PR tree-optimization/51949
3598 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3600 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3602 PR rtl-optimization/51933
3603 * ree.c (transform_ifelse): Return true right away if dstreg is
3604 already wider or equal to cand->mode.
3605 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3606 (make_defs_and_copies_lists): Remove defs_list and copies_list
3607 arguments, add state argument, just truncate state->work_list
3608 instead of always allocating and freeing the vector. Assert that
3609 get_defs succeeds instead of returning 2. Changed return type to bool.
3610 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3611 have ext_src_mode, see if it has been modified already with the
3612 right kind of extension and has been extended before from the
3613 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3614 just return true. Remember the original mode in state->modified array.
3615 (combine_reaching_defs): Add state argument. Don't allocate and
3616 free here def_list, copied_list and vec vectors, instead just
3617 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3618 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3619 Add state variable, clear vectors in it, initialize state.modified
3620 if needed. Free all the vectors at the end and state.modified too.
3621 Don't skip a candidate if the extension expression has been modified.
3623 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3626 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3627 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3628 (extra_options) interix.opt -> i386/interix.opt"
3629 (extra_objs):Add winnt-stubs.o
3630 * configure.ac: Add interix to target_os .comm on PE check.
3631 * configure: Regenerate.
3632 * config/interix3.h: Delete and move bits to..
3633 * config/interix.h: Delete and move bits to..
3634 * config/i386/i386-interix3.h: Delete and move bits to..
3635 * config/i386/i386-interix.h: ..here.
3636 (TARGET_CPU_DEFAULT): Remove redefinition.
3637 (TARGET_ASM_CONSTRUCTOR): Undefine.
3638 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3639 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3640 (PTRDIFF_TYPE): Define.
3641 (LONG_DOUBLE_TYPE_SIZE): Define.
3642 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3643 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3644 (TARGET_SECTION_TYPE_FLAGS): Define.
3645 (ASM_DECLARE_FUNCTION_NAME): Define.
3646 (ASM_OUTPUT_EXTERNAL): Define.
3647 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3648 (ASM_OUTPUT_ALIGNED_BSS): Define.
3649 (PCC_BITFIELD_TYPE_MATTERS): Define.
3650 (USE_CONST_SECTION): Define.
3651 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3652 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3653 (SUPPORTS_ONE_ONLY): Remove.
3654 (I386_PE_STRIP_ENCODING): Define.
3655 * config/interix.opt: Delete and move bits to..
3656 * config/i386/interix.opt: ..here. New.
3657 (mpe-aligned-commons): Add.
3658 * config/i386/t-interix: Add copyright header.
3659 (winnt-stubs.o): Add rule.
3661 2012-01-22 Jason Merrill <jason@redhat.com>
3664 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3665 for extra name aliases.
3667 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3669 PR rtl-optimization/51924
3670 * ree.c (combine_set_extension): Improve debugging message.
3671 (combine_reaching_defs): Likewise.
3672 (get_defs): Rename confusingly named variable.
3673 (find_and_remove_re): Skip a candidate if the extension expression has
3676 2012-01-21 Robert Millan <rmh@gnu.org>
3677 Gerald Pfeifer <gerald@pfeifer.com>
3679 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3680 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3682 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3684 PR tree-optimization/51914
3685 * tree-vect-stmts.c (vectorizable_conversion): For
3686 cvt_type && modifier == WIDEN, put temporary with cvt_type
3687 at the beginning of vec_dsts and set vec_dest to temporary
3690 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3692 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3694 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3696 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3697 * config/rs6000/rs6000.c: Likewise.
3699 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3702 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3703 output_move_double on a copy of operands array.
3705 2012-01-20 Cary Coutant <ccoutant@google.com>
3706 Dodji Seketeli <dodji@redhat.com>
3709 * dwarf2out.c (copy_declaration_context): Return ref to parent
3710 of declaration DIE, if necessary.
3711 (remove_child_or_replace_with_skeleton): Add new parameter; update
3712 caller. Place skeleton DIE under parent DIE of original declaration.
3713 Move call to copy_declaration_context to here ...
3714 (break_out_comdat_types): ... from here.
3716 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3718 PR rtl-optimization/51856
3719 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3722 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3725 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3726 hints for neon loads and stores.
3728 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3732 * doc/extend.texi (Named Address Spaces): Split into subsections.
3733 (AVR Named Address Spaces): New subsection.
3734 (M32C Named Address Spaces): New subsection.
3735 (RL78 Named Address Spaces): New subsection.
3736 (SPU Named Address Spaces): New subsection.
3737 (Variable Attributes): New anchor "AVR Variable Attributes".
3738 (AVR Variable Attributes): Rewrite and avoid wording
3739 "address space" in this context.
3740 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3741 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3742 (AVR Built-in Macros): New subsubsection therein.
3743 * doc/md.texi (AVR constraints): Remove "C04", "R".
3745 2012-01-20 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/51903
3748 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3749 when removing stmts.
3751 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3754 * config/arm/arm.c (arm_load_pic_register): Use
3755 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3756 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3757 (arm_pic_static_addr): Likewise.
3758 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3759 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3760 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3761 (pic_load_addr_unified): New.
3763 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3766 * function.c (instantiate_virtual_regs_in_insn): Use
3767 delete_insn_and_edges when removing a wrong asm insn.
3769 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3771 PR rtl-optimization/40761
3772 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3773 Add new member loop_num.
3774 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3775 (ira_build): Remove the parameter.
3777 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3778 (ira.c): Do not build CFG loops for one region allocation. Remove
3779 argument from ira_build call.
3781 * ira-build.c (init_loop_tree_node): New function.
3782 (create_loop_tree_nodes): Use it. Separate the case when CFG
3783 loops are not built.
3784 (more_one_region_p): Check current_loops.
3785 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3787 (add_loop_to_tree): Process loop equal to NULL too.
3788 (form_loop_tree): Separate the case when CFG loops are not built.
3789 Use explicitly number for the root.
3790 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3792 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3793 instead of loop->num.
3794 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3795 (mark_all_loops_for_removal): Ditto.
3796 (remove_unnecessary_regions): Separate the case when CFG loops
3798 (ira_build): Remove the parameter. Use explicit number of regions
3799 when CFG loops are not built.
3801 * ira-color.c (print_loop_title): Separate the case for the root node.
3802 Use loop_num instead of loop->num.
3803 (move_spill_restore): Use loop_num instead of loop->num.
3805 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3806 (change_loop): Ditto.
3807 (change_loop): Use loop_num instead of loop->num.
3809 * ira-lives.c (process_bb_node_lives): Ditto.
3811 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3813 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3815 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3818 * tree-mudflap.c (mf_artificial): New function.
3819 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3820 mx_register_decls, mudflap_enqueue_decl): Use it.
3823 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3824 numbers in the insn pattern.
3826 2012-01-19 Michael Matz <matz@suse.de>
3828 PR tree-optimization/46590
3829 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3830 use it in remembering which conflicts we already created.
3831 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3834 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3837 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3838 (merge_and_complain): Same.
3840 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3843 * config/initfini-array.h: Guard content of the header
3844 with #ifdef HAVE_INITFINI_ARRAY.
3845 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3846 Add initfini-array.h to tm_file here.
3847 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3848 * config.gcc: Don't add initfini-array.h to tm_file here.
3849 * configure: Regenerated.
3851 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3853 PR rtl-optimization/51505
3854 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3855 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3856 (df_note_bb_compute): Update the call to df_kill_notes.
3858 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3860 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3862 2012-01-18 Richard Guenther <rguenther@suse.de>
3864 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3865 of conversions to void *.
3867 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3868 Richard Sandiford <rdsandiford@googlemail.com>
3872 * optabs.h (simplify_expand_binop): Declare.
3873 * optabs.c (simplify_expand_binop): Make global.
3874 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3875 endian targets if the source cannot be exactly covered by word
3878 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3881 * hard-reg-set.h (struct hard_reg_set_container): New type.
3882 * target.h (struct hard_reg_set_container): Forward declare.
3883 * target.def (set_up_by_prologue): New target hook.
3884 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3885 * doc/tm.texi: Regenerated.
3886 * function.c (thread_prologue_and_epilogue_insns): Change
3887 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3888 Call targetm.set_up_by_prologue on it.
3889 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3890 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3892 2012-01-17 Nick Clifton <nickc@redhat.com>
3894 * config/rx/rx.c (rx_can_use_simple_return): New function.
3895 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3896 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3898 2012-01-17 Richard Guenther <rguenther@suse.de>
3901 * expr.c (expand_assignment): Take address-space information
3902 from the address operand of MEM_REF and TARGET_MEM_REF.
3903 (expand_expr_real_1): Likewise.
3905 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3907 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3908 reload dump is requested.
3910 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3913 * trans-mem.c (requires_barrier): Call may_be_aliased.
3915 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3917 PR tree-optimization/51877
3918 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3919 call arguments and fndecls compare equal, instead return false if they
3920 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3921 both SSA_NAMEs that are valueized the same, or they satisfy
3924 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3926 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3928 * configure: Regenerate.
3930 2012-01-16 Jan Hubicka <jh@suse.cz>
3934 * convert.c (convert_to_integer): Use fold_convert for
3935 converting an INTEGER_CST to integer type.
3937 2012-01-16 Jason Merrill <jason@redhat.com>
3940 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3942 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3945 * config/s390/s390.c (s390_chunkify_start): Don't skip
3946 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3947 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3948 If insn is followed by NOTE_INSN_VAR_LOCATION or
3949 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3950 Don't use location of note insns.
3952 PR tree-optimization/51865
3953 * tree-inline.c (tree_function_versioning): Call remap_decl
3954 on DECL_RESULT whenever it has VOID_TYPE_P type.
3956 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3958 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3959 for calls to locally-binding MIPS16 functions if only the return
3960 type uses float regs.
3962 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3963 Richard Sandiford <rdsandiford@googlemail.com>
3965 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3966 (SYMBOL_32_HIGH): Likewise.
3967 (mips_output_tls_reloc_directive): Declare.
3968 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3969 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3970 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3971 (mips_lo_relocs, mips_hi_relocs): Make extern.
3972 (mips16_stub_function): Move up file.
3973 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3974 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3975 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3976 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3977 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3978 (mips_get_tp): Add MIPS16 support.
3979 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3980 Generalize DTPREL and TPREL handling.
3981 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3982 Add MIPS16 TLS support.
3983 (mips_output_tls_reloc_directive): New function.
3984 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3985 * config/mips/predicates.md (symbolic_operand_with_high)
3986 (tls_reloc_operand): New predicates.
3987 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3988 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3989 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3990 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3991 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3992 (*tls_get_tp_mips16_call_<mode>): Likewise.
3994 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3996 PR rtl-optimization/51821
3997 * recog.c (peep2_find_free_register): Determine clobbered registers
4000 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4003 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4004 * config/avr/avr.c: Likewise.
4005 * config/avr/avr.h: Likewise.
4007 2012-01-13 Ian Lance Taylor <iant@google.com>
4010 * tree.h (TYPE_QUALS): Add cast to int.
4011 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4013 2012-01-13 Ian Lance Taylor <iant@google.com>
4015 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4016 comparing param_index to VEC_length result.
4018 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4020 * c-decl.c: Do not include tree-mudflap.h
4021 * tree-optimize.c: Likewise.
4022 * Makefile.in: Update dependencies.
4024 2012-01-13 Richard Guenther <rguenther@suse.de>
4027 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4028 variable-sized result always use RSO.
4030 2012-01-12 DJ Delorie <dj@redhat.com>
4032 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4033 pointer type, not just the default pointer type.
4035 2012-01-09 Richard Henderson <rth@redhat.com>
4036 Denis Chertykov <chertykov@gmail.com>
4039 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4040 * config/avr/avr.c (avr_can_eliminate): Simplify.
4041 (avr_initial_elimination_offset): Likewise.
4042 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4043 (expand_epilogue): Likewise.
4044 (avr_legitimize_address): Gut.
4045 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4046 (avr_hard_regno_nregs): New.
4047 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4048 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4049 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4050 add soft frame pointer.
4051 (CALL_USED_REGISTERS): Likewise.
4052 (REG_CLASS_CONTENTS): Likewise.
4053 (REGISTER_NAMES): Likewise.
4054 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4055 (HARD_FRAME_POINTER_REGNUM): New.
4056 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4057 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4058 remove the HARD_FRAME_POINTER self-elimination.
4060 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4063 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4064 DECL_EXTERNAL when checking for initializers of progmem variables.
4066 2012-01-12 Ira Rosen <irar@il.ibm.com>
4068 PR tree-optimization/51799
4069 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4070 that the last operation is a type demotion.
4072 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4074 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4075 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4077 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4080 * combine.c (distribute_notes): If i3 is a noreturn call,
4081 allow old_size to be equal to args_size and make sure the
4082 noreturn call gets REG_ARGS_SIZE note.
4083 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4084 on noreturn calls even when the delta is 0.
4086 2012-01-11 Nathan Sidwell <nathan@acm.org>
4088 * gcov.c (STRING_SIZE): Remove.
4089 (generate_results): Erase annotations for source files with no
4090 coverage information.
4092 (output_lines): Use it.
4094 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4096 * gimple.h (gimplify_body): Remove first argument.
4097 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4098 pointer set here, instead just pass DATA to walk_tree.
4099 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4100 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4101 (unvisit_body): Likewise, but with unmark_visited.
4102 (gimplify_body): Remove BODY_P argument and adjust.
4103 (gimplify_function_tree): Adjust call to gimplify_body.
4104 * omp-low.c (finalize_task_copyfn): Likewise.
4106 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4108 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4109 (build_function_type_skip_args): Delete.
4110 * tree.c (build_function_type_skip_args): Make static and add
4111 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4112 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4113 pass it to build_function_type_skip_args.
4114 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4115 (tree_function_versioning): Likewise.
4116 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4117 build_function_decl_skip_args.
4118 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4119 and pass it to build_function_decl_skip_args/tree_function_versioning.
4120 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4121 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4122 * trans-mem.c (ipa_tm_create_version): Likewise.
4123 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4124 * tree-inline.c (declare_return_variable): Remove always-true test.
4125 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4126 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4127 * ipa-split.c (split_function): Skip the return value for the split
4128 part if it doesn't return.
4130 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4132 PR tree-optimization/49642
4133 * ipa-split.c (forbidden_dominators): New variable.
4134 (check_forbidden_calls): New function.
4135 (dominated_by_forbidden): Likewise.
4136 (consider_split): Check for forbidden dominators.
4137 (execute_split_functions): Initialize and free forbidden
4138 dominators info; call check_forbidden_calls.
4140 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4142 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4144 2012-01-11 Nick Clifton <nickc@redhat.com>
4146 * config/rx/rx.md (return): Define pattern.
4148 2012-01-11 Richard Guenther <rguenther@suse.de>
4150 * doc/extend.texi (malloc attribute): Adjust according to
4153 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4154 Patrick Marlier <patrick.marlier@gmail.com>
4157 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4158 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4159 (ipa_tm_note_irrevocable): Same.
4160 (ipa_tm_scan_irr_block): Same.
4161 (ipa_tm_decrement_clone_counts): Same.
4162 (ipa_tm_scan_irr_function): Same.
4163 (ipa_tm_create_version_alias): Same.
4164 (ipa_tm_create_version): Same.
4165 (ipa_tm_transform_calls_redirect): Same.
4166 (ipa_tm_transform_calls): Same.
4167 (ipa_tm_transform_transaction): Same.
4168 (ipa_tm_execute): Same.
4170 2012-01-10 Richard Guenther <rguenther@suse.de>
4173 * opts.c (common_handle_option): Handle -Werror.
4175 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4177 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4180 2012-01-10 Jason Merrill <jason@redhat.com>
4182 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4185 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4187 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4188 supports R_386_TLS_GD_PLT reloc.
4189 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4190 supports R_386_TLS_LDM_PLT reloc.
4191 * configure: Regenerate.
4192 * config.in: Regenerate.
4194 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4197 Extend __pgmx semantics to linearize memory.
4198 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4199 determine if code comes inline or from libgcc.
4200 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4201 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4202 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4203 (movmemx_qi, movmemx_hi): New insns.
4204 (xload_<mode>_libgcc): Rewrite to new insn condition.
4205 (xload_<mode>): Remove insns.
4206 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4207 cases that don't satisfy avr_xload_libgcc_p().
4208 (avr_addr_space_convert): Allow converting in any direction.
4209 (avr_addr_space_subset_p): Return always true.
4210 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4211 (avr_emit_movmemhi): Ditto.
4212 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4213 (avr_out_movmem): Ditto.
4214 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4215 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4216 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4217 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4218 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4220 2012-01-10 Richard Guenther <rguenther@suse.de>
4222 PR tree-optimization/50913
4223 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4224 Require data-refs to be representable by Graphite with respect
4227 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4229 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4230 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4232 2012-01-10 Tom de Vries <tom@codesourcery.com>
4234 PR rtl-optimization/51271
4235 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4236 handling annulled branch.
4238 2012-01-10 Richard Henderson <rth@redhat.com>
4240 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4241 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4242 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4243 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4244 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4245 arm_expand_vec_perm_const): New.
4246 * config/arm/arm-protos.h: Update.
4247 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4248 (*neon_vswp<VDQX>): New.
4249 (neon_vcombine<VDX>): Use neon_split_vcombine.
4250 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4251 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4252 (vec_perm<VE>): New.
4254 2012-01-10 Richard Henderson <rth@redhat.com>
4256 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4257 use it if reload_completed.
4258 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4259 arm_output_asm_insn, arm_process_output_memory_barrier,
4260 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4261 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4262 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4263 arm_process_output_sync_insn, arm_output_sync_insn,
4264 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4265 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4266 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4267 (emit_unlikely_jump): New.
4268 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4269 (arm_split_atomic_op): New.
4270 * config/arm/arm-protos.h: Update.
4271 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4272 (struct arm_sync_generator): Remove.
4273 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4274 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4275 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4276 (VUNSPEC_LL, VUNSPEC_SC): New.
4277 (sync_result, sync_memory, sync_required_value, sync_new_value,
4278 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4279 (attr length): Don't use arm_sync_loop_insns.
4280 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4281 (movsfcc, movdfcc): Likewise.
4282 * config/arm/constraints.md (Ua): New.
4283 * config/arm/prediates.md (mem_noofs_operand): New.
4284 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4285 (sync_clobber, sync_t2_reqd): Remove.
4286 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4287 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4288 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4289 (arm_sync_compare_and_swap<SIDI>): Remove.
4290 (arm_sync_compare_and_swap<NARROW>): Remove.
4291 (arm_sync_lock_test_and_set<SIDI>): Remove.
4292 (arm_sync_lock_test_and_set<NARROW>): Remove.
4293 (arm_sync_new_<syncop><SIDI>): Remove.
4294 (arm_sync_new_<syncop><NARROW>): Remove.
4295 (arm_sync_new_nand<SIDI>): Remove.
4296 (arm_sync_new_nand<NARROW>): Remove.
4297 (arm_sync_old_<syncop><SIDI>): Remove.
4298 (arm_sync_old_<syncop><NARROW>): Remove.
4299 (arm_sync_old_nand<SIDI>): Remove.
4300 (arm_sync_old_nand<NARROW>): Remove.
4301 (*memory_barrier): Merge arm_output_memory_barrier.
4302 (atomic_compare_and_swap<QHSD>): New.
4303 (atomic_compare_and_swap<NARROW>_1): New.
4304 (atomic_compare_and_swap<SIDI>_1): New.
4305 (atomic_exchange<QHSD>): New.
4306 (cas_cmp_operand, cas_cmp_str): New.
4307 (atomic_op_operand, atomic_op_str): New.
4308 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4309 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4310 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4311 (arm_load_exclusive<NARROW>): New.
4312 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4313 (arm_store_exclusive<QHSD>): New.
4315 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4317 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4318 reload patterns if -mvsx-scalar-memory.
4320 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4321 generated, even -mno-vsx-scalar-double was used.
4322 (vsx_xscvdpsp_scalar): Likewise.
4323 (vsx_xscvspdp_scalar2): Likewise.
4325 2012-01-09 Tom de Vries <tom@codesourcery.com>
4326 Andrew Pinski <apinski@cavium.com>
4329 * reorg.c (fill_slots_from_thread): Don't speculate
4330 frame-related insns.
4332 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4334 * sched-int.h (bb_note): Move to...
4335 * basic-block.h: ...here.
4336 * haifa-sched.c (bb_note): Move to...
4337 * cfgrtl.c: ...here.
4338 * function.c (next_block_for_reg): New function.
4339 (move_insn_for_shrink_wrap): Likewise.
4340 (prepare_shrink_wrap): Rewrite to use the above.
4342 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4344 * gimple.c (is_gimple_non_addressable): Remove.
4345 * gimple.h: Remove is_gimple_non_addressable.
4346 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4347 is_gimple_non_addressable.
4348 * trans-mem.c (expand_assign_tm): Same.
4350 2012-01-09 Richard Guenther <rguenther@suse.de>
4352 PR tree-optimization/51775
4353 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4354 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4356 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4358 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4360 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4362 2012-01-09 Richard Guenther <rguenther@suse.de>
4364 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4366 2012-01-08 Jan Hubicka <jh@suse.cz>
4368 PR tree-optimize/51680
4369 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4370 on when known_vals needs to be computed; cleanup.
4372 2012-01-08 Jan Hubicka <jh@suse.cz>
4374 PR tree-optimize/51694
4375 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4377 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4379 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4380 for -std=c++98 and -std=c++11 too.
4382 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4384 * cfgloop.c (cancel_loop): Add free() of bbs array.
4386 2012-01-07 Jan Hubicka <jh@suse.cz>
4388 PR tree-optimization/51600
4389 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4390 that benefits small functions.
4392 2012-01-07 Jan Hubicka <jh@suse.cz>
4394 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4396 2012-01-07 Jan Hubicka <jh@suse.cz>
4398 PR tree-optimization/51680
4399 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4400 whose inlining reduce unit size.
4402 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4405 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4406 Add canonical node to containing_mem chain after the non-canonical
4407 one, even if there weren't any locs to propagate.
4408 (remove_useless_values): Keep only canonical values.
4409 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4410 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4411 canonicalize mem_chain elements that are not discarded.
4413 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4416 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4417 before emitting functions.
4419 PR gcov-profile/50127
4420 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4421 clear_aux_for_blocks.
4423 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4426 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4428 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4430 * c-decl.c (ext_block): Moved up.
4431 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4433 2012-01-06 Han Shen <shenhan@google.com>
4435 Translate built-in include paths for sysroot.
4436 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4437 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4439 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4440 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4442 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4443 control whether sysroot should be prepended to gxx include dir.
4445 * configure: Regenerate.
4447 2012-01-06 Torvald Riegel <triegel@redhat.com>
4449 PR rtl-optimization/51771
4450 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4451 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4453 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4455 PR tree-optimization/51315
4456 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4457 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4459 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4462 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4463 for shrp pattern. Correctly handle and fixup shift variable.
4464 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4466 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4469 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4470 note when !ACCUMULATE_OUTGOING_ARGS.
4472 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4474 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4476 (extract_range_from_unary_expr_1): Avoid useless computations.
4478 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4480 PR rtl-optimization/51767
4481 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4482 of jump_block and add an extra edge for degenerated asm gotos.
4485 * stmt.c (check_unique_operand_names): Don't ICE during error
4486 reporting if i is from labels chain.
4489 * profile.c (branch_prob): Split bbs that have exit edge
4490 and need a fake entry edge too.
4492 2012-01-05 Jan Hubicka <jh@suse.cz>
4495 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4498 2012-01-05 Richard Guenther <rguenther@suse.de>
4501 * tree-streamer-out.c (write_ts_optimization): New function.
4502 (streamer_write_tree_body): Call it.
4503 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4504 (streamer_read_tree_body): Call it.
4505 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4507 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4510 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4511 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4512 in_cleanup_point_expr before gimplify_stmt call and restore it
4514 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4515 in_cleanup_point_expr is false.
4517 2012-01-05 Richard Guenther <rguenther@suse.de>
4520 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4522 * toplev.c (process_options): Reject combining mudflap and LTO.
4523 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4525 2012-01-05 Richard Guenther <rguenther@suse.de>
4527 PR tree-optimization/51760
4528 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4530 (bit_value_unop): Handle UNDEFINED operands.
4531 (bit_value_binop): Likewise.
4533 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4535 * config/avr/avr.c (avr_replace_prefix): Remove.
4536 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4537 (avr_asm_function_rodata_section): Ditto.
4538 (avr_asm_select_section): Ditto.
4540 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4542 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4545 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4548 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4549 calls that have any non-fake successor edges.
4552 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4554 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4556 PR tree-optimization/51624
4557 * tree-sra.c (build_ref_for_model): When replicating a chain of
4558 COMPONENT_REFs, stop as soon as the offset would become negative.
4560 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4563 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4564 in .debug_loc on the floor.
4566 2012-01-04 Andrew Pinski <apinski@cavium.com>
4568 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4570 2012-01-04 Andrew Pinski <apinski@cavium.com>
4571 Adam Nemet <anemet@caviumnetworks.com>
4573 * config/mips/mips.md (size): Add SI and DI.
4574 (SIZE): New mode attribute.
4575 (U): New code attribute.
4576 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4577 (mips_lbux_<mode>): Delete.
4578 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4579 (mips_lhx): Use gen_mips_lhx_extsi.
4580 (mips_lhx_<mode>): Delete.
4582 (mips_l<size>x): New expand.
4583 (mips_lwx_<mode>): Delete.
4584 (mips_l<GPR:size>x_<P:mode>): New pattern.
4585 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4586 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4587 * config/mips/mips.c (mips_lx_address_p): New function.
4588 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4589 (dsp64): New availability predicate.
4590 (mips_builtins): Add an entry for __builtin_mips_ldx.
4591 * config/mips/mips.h (ISA_HAS_LBX): New define.
4592 (ISA_HAS_LBUX): Likewise.
4593 (ISA_HAS_LHX): Likewise.
4594 (ISA_HAS_LHUX): Likewise.
4595 (ISA_HAS_LWX): Likewise.
4596 (ISA_HAS_LWUX): Likewise.
4597 (ISA_HAS_LDX): Likewise.
4598 * doc/extend.texi (__builtin_mips_ldx): Document.
4600 2012-01-04 Tristan Gingold <gingold@adacore.com>
4602 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4603 when long pointers are used.
4604 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4605 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4606 (ia64-hp-*vms*): Remove.
4607 * config/vms/xm-vms64.h: Delete.
4609 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4612 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4614 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4616 * opts.c (finish_options): Remove duplicate sorry.
4618 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4621 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4624 2012-01-04 Richard Guenther <rguenther@suse.de>
4627 * tree.c (size_low_cst): New function.
4628 * tree.h (size_low_cst): Declare.
4629 * fold-const.c (fold_comparison): Use it to extract the low
4630 part of the POINTER_PLUS_EXPR offset.
4632 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4634 Fix clearing ZERO_REG
4635 * config/avr/avr.md (cc): Add alternative "ldi".
4636 (movqi_insn): Use it in cc attribute.
4637 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4638 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4639 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4641 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4643 * configure: Regenerate.
4645 2012-01-04 Richard Guenther <rguenther@suse.de>
4647 PR tree-optimization/49651
4648 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4649 (var_can_have_subvars): Use it.
4650 (get_constraint_for_1): Only consider subfields if there can be any.
4652 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4655 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4656 to its new canonical_cselib_val and the cselib_val was in
4657 first_containing_mem chain, but the canonical_cselib_val was not,
4658 add the latter into the chain.
4659 (cselib_invalidate_mem): Compare canonical_cselib_val of
4660 addr_list chain elt with v.
4663 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4664 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4666 (output_macinfo_op): Don't ggc_strdup fd->filename.
4667 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4668 then ggc_strdup it. Don't free inc->info or cur->info.
4669 (output_macinfo): Don't free ref->info or file->info.
4671 2012-01-03 Ira Rosen <irar@il.ibm.com>
4673 PR tree-optimization/51269
4674 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4675 first_niters a pointer.
4676 (slpeel_tree_peel_loop_to_edge): Likewise.
4677 (vect_do_peeling_for_loop_bound): Update call to
4678 slpeel_tree_peel_loop_to_edge.
4679 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4680 here. Remove it from the parameters list.
4681 (vect_do_peeling_for_alignment): Update calls and compute
4684 2012-01-03 Richard Guenther <rguenther@suse.de>
4686 PR tree-optimization/51070
4687 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4688 Properly handle calls.
4690 2012-01-03 Richard Guenther <rguenther@suse.de>
4692 PR tree-optimization/51692
4693 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4694 the LHS of allocation stmts.
4696 2012-01-03 Olivier Hainque <hainque@adacore.com>
4698 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4700 2012-01-03 Olivier Hainque <hainque@adacore.com>
4702 * collect2.c (main): In AIX specific computations for vector
4703 insertions, use CONST_CAST2 to cast from char ** to const char **.
4705 2012-01-03 Richard Guenther <rguenther@suse.de>
4708 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4709 the context of a limbo DIE when it does not already exist.
4711 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4713 PR tree-optimization/51719
4714 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4715 but direct call is, clear direct call's lhs and don't add fallthrough
4716 edge from dcall_bb to join_bb and PHIs.
4718 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4720 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4721 the instructions emitted by the pattern.
4722 ("*TDC_insn_<mode>"): Add comment.
4724 2012-01-03 Richard Guenther <rguenther@suse.de>
4727 * fold-const.c (fold_comparison): Properly canonicalize
4728 tree offset and HOST_WIDE_INT bit position.
4730 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4732 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4733 operands for extzv pattern.
4735 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4738 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4741 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4743 * doc/invoke.texi (-flto and related options): Copy-edit.
4745 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4747 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4749 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4751 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4754 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4756 * expr.h (move_by_pieces_ninsns): Declare.
4757 * expr.c (move_by_pieces_ninsns): Make external.
4758 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4759 (mips_store_by_pieces_p): Likewise.
4760 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4761 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4762 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4763 (mips_store_by_pieces_p): Likewise.
4765 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4767 * passes.c (register_one_dump_file): Free full_name.
4769 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4770 (calculate_elim_costs_all_insns): Free offsets_at and
4771 offsets_known_at at the end and clear the pointers.
4773 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4775 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4776 this option introduced in r180739.
4778 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4781 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4782 (tmake_file target=avr): Add avr/t-multilib.
4784 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4785 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4786 * config/avr/genmultilib.awk: New file.
4787 * config/avr/t-multilib: New auto-generated file.
4788 * config/avr/multilib.h: New auto-generated file.
4789 * config/avr/t-avr (AVR_MCUS): New variable.
4790 (genopt.sh): Use it.
4791 (s-mlib): Depend on t-multilib.
4792 (t-multilib, multilib.h): New dependencies.
4793 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4794 (MULTILIB_OPTIONS): Remove.
4795 (MULTILIB_MATCHES): Remove.
4796 (MULTILIB_DIRNAMES): Remove.
4797 (MULTILIB_EXCEPTIONS): Remove:
4798 * config/avr/genopt.sh: Don't use hard coded file name;
4799 pass AVR_MCUS from t-avr instead.
4801 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4803 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4805 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4807 Implement light-weight DImode support.
4808 * config/avr/avr-dimode.md: New file.
4809 * config/avr/avr.md: Include it.
4810 (adjust_len): Add plus64, compare64.
4811 (HIDI): Remove code iterator.
4812 (code_stdname): New code attribute.
4813 (rotx, rotsmode): Remove DI.
4814 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4816 * config/avr/avr-protos.h (avr_have_dimode): New.
4817 (avr_out_plus64, avr_out_compare64): New.
4818 * config/avr/avr.c (avr_out_compare): Handle DImode.
4819 (avr_have_dimode): New variable definition and initialization.
4820 (avr_out_compare64, avr_out_plus64): New functions.
4821 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4822 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4823 (avr_compare_pattern): Skip DImode comparisons.
4825 2012-01-02 Revital Eres <revital.eres@linaro.org>
4827 * ddg.c (def_has_ccmode_p): New function.
4828 (add_cross_iteration_register_deps,
4829 create_ddg_dep_from_intra_loop_link): Call it.
4831 2012-01-02 Richard Guenther <rguenther@suse.de>
4834 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4836 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4838 * gcc.c (process_command): Update copyright notice dates.
4839 * gcov.c (print_version): Likewise.
4840 * gcov-dump.c (print_version): Likewise.
4841 * mips-tfile.c (main): Likewise.
4842 * mips-tdump.c (main): Likewise.
4844 2012-01-01 Ira Rosen <irar@il.ibm.com>
4846 PR tree-optimization/51704
4847 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4848 a use is inside the basic block or loop before accessing its vect info.
4850 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4852 PR rtl-optimization/51069
4853 * cfgloopmanip.c (remove_path): Removing path making irreducible
4854 region unconditional makes BB part of the region.
4856 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4858 PR tree-optimization/51683
4859 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4860 calls with side-effects.
4861 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4863 Copyright (C) 2012 Free Software Foundation, Inc.
4865 Copying and distribution of this file, with or without modification,
4866 are permitted in any medium without royalty provided the copyright
4867 notice and this notice are preserved.