1 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
3 Backport from mainline:
5 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
6 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
7 * gimple.h (block_in_transaction): Check for flag_tm.
9 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
11 PR tree-optimization/52558
13 Backport from mainline:
14 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
15 * gimple.h (gimple_set_in_transaction): Remove.
16 (gimple_in_transaction): Look in BB instead.
17 (gimple_statement_base): Remove in_transaction field.
18 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
19 * trans-mem.c (compute_transaction_bits): Place transaction bit
20 information into basic blocks.
22 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
24 PR tree-optimization/52558
25 * cfg.c (alloc_aux_for_edge): Fix comment.
26 (alloc_aux_for_edge): Remove static.
27 * basic-block.h (alloc_aux_for_edge): Protoize.
28 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
29 (execute_sm_if_changed_flag): New.
30 (execute_sm_if_changed_flag_set): New.
31 (execute_sm): Do not generate data races unless requested.
32 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
33 (tree_ssa_lim_finalize): Call free_aux_for_edges.
34 * gimple.h (block_in_transaction): New.
35 (gimple_in_transaction): Use block_in_transaction.
37 2012-06-14 Jakub Jelinek <jakub@redhat.com>
39 Backported from mainline
40 2012-06-12 Jakub Jelinek <jakub@redhat.com>
42 PR rtl-optimization/53589
43 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
44 discovery even when e->dest != target. If any LABEL_REF points
45 to e->dest label, redirect it to target's label.
47 2012-06-07 Jakub Jelinek <jakub@redhat.com>
50 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
51 returns false, replace stmt with GIMPLE_NOP.
52 (check_omp_nesting_restrictions): Instead of issuing warnings,
53 issue errors and return false if any errors were reported.
55 2012-06-14 Richard Guenther <rguenther@suse.de>
57 * BASE-VER: Set to 4.7.2.
58 * DEV-PHASE: Set to prerelease.
60 2012-06-12 Christian Bruel <christian.bruel@st.com>
63 * config/sh/sh.c (sh_option_override): Don't force
64 flag_omit_frame_pointer and maccumulate_outgoing_args.
65 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
67 2012-06-14 Release Manager
71 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
73 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
75 2012-06-13 Richard Henderson <rth@redhat.com>
77 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
78 iterator instead of INT.
80 2012-06-08 Richard Henderson <rth@redhat.com>
83 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
84 note to a clobber insn when no other insn is available.
86 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
89 * doc/invoke.texi (Wenum-compare): Update documentation.
91 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
94 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
96 (altivec_stvlxl): Ditto.
97 (altivec_stvrx): Ditto.
98 (altivec_stvrxl): Ditto.
100 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
103 * trans-mem.c (expand_block_edges): Do not skip the first
104 statement when resetting the BB.
106 2012-06-04 Richard Guenther <rguenther@suse.de>
109 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
110 create new assembler names.
112 2012-06-04 Richard Guenther <rguenther@suse.de>
114 Backport from mainline
115 2012-04-25 Jakub Jelinek <jakub@redhat.com>
118 * stor-layout.c (get_best_mode): Don't return mode with bitsize
119 larger than maxbits. Don't compute maxbits modulo align.
120 Also check that unit bytes long store at bitpos / unit * unit
121 doesn't affect bits beyond bitregion_end.
122 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
123 would not fit into bitregion_start ... bitregion_end + 1 bit
125 (store_split_bit_field): Decrease unit close to end of bitregion_end
126 if access is restricted in order to avoid mutual recursion.
128 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
130 Backport from 2012-06-04 mainline r188172
133 * config/avr/avr-stdint.h: New file.
134 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
137 2012-06-04 Jakub Jelinek <jakub@redhat.com>
139 PR tree-optimization/53550
140 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
141 is POINTER_TYPE_P, use sizetype as step type instead of type.
143 2012-06-04 Richard Guenther <rguenther@suse.de>
144 Eric Botcazou <ebotcazou@adacore.com>
146 Backport from mainline
147 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
149 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
150 Change type of BITOFFSET to signed. Make sure the lower bound of
151 the computed range is non-negative by adjusting OFFSET and BITPOS.
152 (expand_assignment): Adjust call to get_bit_range.
154 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
156 * expr.c (get_bit_range): Return the null range if the enclosing record
157 is part of a larger bit field.
159 2012-03-20 Richard Guenther <rguenther@suse.de>
161 * stor-layout.c (finish_bitfield_representative): Fallback
162 to conservative maximum size if the padding up to the next
163 field cannot be computed as a constant.
164 (finish_bitfield_layout): If we cannot compute the distance
165 between the start of the bitfield representative and the
166 bitfield member start a new representative.
167 * expr.c (get_bit_range): The distance between the start of
168 the bitfield representative and the bitfield member is zero
169 if the field offsets are not constants.
171 2012-03-16 Richard Guenther <rguenther@suse.de>
173 * stor-layout.c (finish_bitfield_representative): Fall back
174 to the conservative maximum size if we cannot compute the
175 size of the tail padding.
177 2012-03-14 Richard Guenther <rguenther@suse.de>
179 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
180 * stor-layout.c (start_bitfield_representative): New function.
181 (finish_bitfield_representative): Likewise.
182 (finish_bitfield_layout): Likewise.
183 (finish_record_layout): Call finish_bitfield_layout.
184 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
185 for QUAL_UNION_TYPE fields.
186 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
187 Stream DECL_BIT_FIELD_REPRESENTATIVE.
188 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
193 * expr.c (get_bit_range): Unconditionally extract bitrange
194 from DECL_BIT_FIELD_REPRESENTATIVE.
195 (expand_assignment): Adjust call to get_bit_range.
197 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
200 * fold-const.c (fold_binary_loc): Refine previous change.
202 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
204 Backport from mainline
205 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
208 * config/sh/sh.c (find_barrier): Add equality check of last_got to
209 avoid going above orig insn. Update comments.
211 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
213 Backport from mainline
214 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
217 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
218 prologue for unwinder and profiler.
220 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
222 Backport from mainline
223 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
225 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
227 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
229 Backport from mainline
230 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
232 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
235 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
237 Backport from mainline
238 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
240 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
241 operand is CONST_INT. Take COSTS_N_INSNS into account.
242 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
245 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
247 * config/avr/avr.opt (-msp8): Document it.
248 * doc/invoke.texi (AVR Options): Copy from trunk docu.
250 2012-05-31 Richard Guenther <rguenther@suse.de>
253 * expr.c (expand_assignment): Do not use movmisalign on
256 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
259 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
260 (pa_section_type_flags): New.
261 (pa_legitimate_constant_p): Revert previous change.
263 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
265 Backport from mainline
266 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
269 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
271 (ipa_tm_create_version): Same.
273 2012-05-30 Jason Merrill <jason@redhat.com>
276 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
277 about array compound literals.
279 2012-05-30 Richard Guenther <rguenther@suse.de>
282 * fold-const.c (fold_binary_loc): Make sure to call
283 fold_plusminus_mult_expr with the original sign of operands.
285 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
287 * explow.c (probe_stack_range): Restore simple control flow and stop
288 again when the probe cannot be generated if HAVE_check_stack.
290 2012-05-30 Jakub Jelinek <jakub@redhat.com>
292 PR rtl-optimization/53519
293 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
294 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
296 2012-05-29 Richard Guenther <rguenther@suse.de>
298 PR tree-optimization/53516
299 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
301 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
303 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
305 Backport from mainline
306 2012-05-28 Richard Guenther <rguenther@suse.de>
308 PR tree-optimization/53438
309 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
311 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
313 Backport from mainline
314 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
316 PR rtl-optimization/52528
317 * combine.c (can_combine_p): Add setting of subst_low_luid
318 before call to expand_field_assignment().
320 2012-05-26 Martin Jambor <mjambor@suse.cz>
322 Backport from mainline
323 2012-05-23 Martin Jambor <mjambor@suse.cz>
325 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
327 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
330 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
331 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
333 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
336 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
337 (ix86_expand_vec_perm): Use int mode instead of float.
339 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
342 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
343 gnu_ld variables to yes.
344 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
345 (HAVE_GNU_AS): Likewise.
346 * config.in: Regenerate.
347 * configure: Likewise.
349 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
351 Backport from mainline
352 2012-03-12 Richard Guenther <rguenther@suse.de>
353 * config/arm/arm.c (neon_dereference_pointer): Do not call
354 covert during RTL expansion.
356 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
358 Backport from mainline
359 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
362 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
363 relied on signed overflow behavior.
365 2012-05-24 Richard Guenther <rguenther@suse.de>
368 * tree-profile.c (tree_profiling): Cleanup the CFG if
369 execute_fixup_cfg requests it.
371 2012-05-24 Jakub Jelinek <jakub@redhat.com>
373 PR tree-optimization/53465
374 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
375 vr0 into *vr, then vrp_meet that.
376 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
377 have any equivalences.
378 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
381 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
383 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
385 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
386 (iterative_hash_gimple_type): Adjust comment.
387 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
388 domain for an array type instead of the domain type itself.
390 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
392 Backport from 2012-05-23 mainline r187803
395 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
396 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
399 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
401 Backport from 2012-05-03 mainline r187075
403 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
404 has_fma4 for AMD processors with both fma3 and fma4 support.
406 2012-05-22 Richard Guenther <rguenther@suse.de>
408 PR tree-optimization/53408
409 * tree-vect-loop.c (vectorizable_induction): Properly check
410 the restriction that we cannot handle induction results from
411 the inner loop outside of the outer loop.
413 2012-05-21 Jakub Jelinek <jakub@redhat.com>
415 PR tree-optimization/53436
416 * omp-low.c (omp_build_component_ref): New function.
417 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
419 PR tree-optimization/53366
420 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
421 tests if complex_numbers == 2, but there are non-complex number loads
424 PR tree-optimization/53409
425 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
426 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
428 PR tree-optimization/53410
429 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
430 instead of build_int_cst (type, 0) where vector types might be
433 2012-05-21 Joseph Myers <joseph@codesourcery.com>
436 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
437 from folded operands before wrapping another around the
438 conditional expression.
440 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
441 Patrick Marlier <patrick.marlier@gmail.com>
443 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
446 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
448 Backport from mainline
449 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
452 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
453 (UNSPECV_RDRAND): This.
454 (rdrand<mode>_1): Updated.
456 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
458 Backport from mainline
459 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
461 * config/i386/driver-i386.c (host_detect_local_cpu): Support
462 RDRND, F16C and FSGSBASE.
464 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
466 Backport from mainline
467 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
469 * tree-ssa-pre.c (can_value_number_call): Delete.
470 (compute_avail): Skip all statements with side effects.
471 <GIMPLE_CALL>: Skip calls to internal functions.
473 2012-05-18 David S. Miller <davem@davemloft.net>
475 Backport r185385 from mainline
476 2012-03-14 Richard Guenther <rguenther@suse.de>
479 * tree-vect-generic.c (type_for_widest_vector_mode): Take
480 element type instead of mode, use build_vector_type_for_mode
481 instead of the langhook, build a vector of proper signedness.
482 (expand_vector_operations_1): Adjust.
484 2012-05-18 Olivier Hainque <hainque@adacore.com>
486 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
487 $(libsubdir) as libexecsubdir.
489 2012-05-16 Andrew Pinski <apinski@cavium.com>
491 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
494 2012-05-16 David S. Miller <davem@davemloft.net>
496 * jump.c (delete_related_insns): If we remove a CALL, make sure
497 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
499 2012-05-16 Richard Henderson <rth@redhat.com>
502 * combine-stack-adj.c (prev_active_insn_bb): New.
503 (next_active_insn_bb): New.
504 (force_move_args_size_note): New.
505 (combine_stack_adjustments_for_block): Use it.
507 2012-05-16 Olivier Hainque <hainque@adacore.com>
509 * Makefile.in (install-no-fixedincludes): New target, former toplevel
510 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
511 Add comments and improve stamp preservation across the whole sequence.
512 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
514 2012-05-16 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/53364
517 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
518 detect a view-conversion of the decl.
520 2012-05-15 Jakub Jelinek <jakub@redhat.com>
523 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
524 that operands[2] is either immediate, or q_regs_operand.
526 2012-05-15 Bin Cheng <bin.cheng@arm.com>
528 Backport r187139 from mainline.
529 2012-05-04 Bin Cheng <bin.cheng@arm.com>
531 PR rtl-optimization/52804
532 * reload1.c (reload_reg_reaches_end_p): Check whether successor
533 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
534 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
535 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
536 RELOAD_FOR_OUTADDR_ADDRESS.
538 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
541 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
542 generate target register for "load" class builtins.
545 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
548 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
549 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
550 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
551 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
552 (<sse>_movu<ssemodesuffix>): New expander.
553 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
554 (avx_movdqu<avxmodesuffix>): New expander.
555 (*sse2_movdqu): Rename from sse2_movdqu.
556 (sse2_movdqu): New expander.
558 2012-05-14 Jakub Jelinek <jakub@redhat.com>
560 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
561 lineno 1 the same as lineno 0 before first start file directive.
562 (optimize_macinfo_range): Likewise.
564 * dwarf2out.c (have_macinfo): Define.
565 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
566 attribute, don't force empty compilation unit and don't emit any
567 .debug_macinfo/.debug_macro section if macinfo_table is empty.
569 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
571 Backport from mainline
572 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
574 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
575 ORDERED and UNORDERED conditions.
577 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
579 * function.c (requires_stack_frame_p): If the function can throw
580 non-call exceptions, return true if the insn can throw internally.
582 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
584 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
585 DECL_ORIGINAL_TYPE if it is present.
587 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
589 Backport from 2012-05-12 mainline r187342.
592 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
593 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
594 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
595 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
596 (expand_prologue): Move initialization of cfun->machine->is_naked,
597 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
598 (avr_set_current_function): ...this new static function.
599 (TARGET_SET_CURRENT_FUNCTION): New define.
600 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
601 checking attributes of current_function_decl.
602 (avr_regs_to_save): Ditto.
603 (signal_function_p): Rename to avr_signal_function_p.
604 (interrupt_function_p): Rename to avr_interrupt_function_p.
606 * doc/extend.texi (Function Attributes): Better explanation of
607 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
610 2012-05-09 Matthias Klose <doko@ubuntu.com>
612 * gcc-ar.c (main): Don't check for execute bits for the plugin.
614 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
617 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
618 when a constant source operand matches an "I" constraint, the "no
619 CC0 change" applies to a register-destination only, not a
620 strict_low_part-destination.
622 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
624 Backport from mainline:
625 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
627 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
629 2012-05-07 Jakub Jelinek <jakub@redhat.com>
631 PR tree-optimization/53239
632 * tree-vrp.c (get_value_range): Set VR of
633 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
636 2012-05-07 Richard Guenther <rguenther@suse.de>
638 PR tree-optimization/53195
639 * tree-inline.c (setup_one_parameter): Properly add referenced
640 vars from the parameters new known value.
642 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
644 Backport from mainline:
645 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
648 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
651 2012-05-04 Ian Lance Taylor <iant@google.com>
653 * tree-vect-patterns.c (vect_single_imm_use): Correct return
654 values from false to NULL.
656 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
658 Backport from mainline
659 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
662 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
663 (TARGET_CMOV): Rename from TARGET_CMOVE.
664 (TARGET_CMOVE): New define.
665 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
666 Do not set TARGET_CMOVE here.
668 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
670 Backport from mainline:
672 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
674 PR tree-optimization/52633
675 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
676 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
677 (vect_recog_over_widening_pattern): Remove handling of code that was
678 already detected as over-widening pattern. Remove special handling
679 of "unsigned" cases. Instead, support general case of conversion
680 of the shift result to another type.
682 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
684 * tree-vect-patterns.c (vect_single_imm_use): New function.
685 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
686 (vect_recog_over_widening_pattern): Likewise.
687 (vect_recog_widen_shift_pattern): Likewise.
689 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
691 PR tree-optimization/52870
692 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
693 presumed pattern statement is within the same loop or basic block.
695 2012-05-04 Richard Guenther <rguenther@suse.de>
697 * common.opt (flto-report): Do not mark as Optimization.
699 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
702 * recog.c (constrain_operands): If extra constraints are present, also
703 accept pseudo-registers with equivalent memory locations during reload.
705 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
707 Backport from the mainline
708 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
711 * config/rs6000/rs6000.md (bswapdi splitters): If
712 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
713 default) is used, generate an alternate sequence that does not
714 depend on using indexed addressing.
716 2012-05-03 David S. Miller <davem@davemloft.net>
719 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
720 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
721 (sparc_emit_float_lib_cmp): Likewise.
723 2012-05-04 Martin Jambor <mjambor@suse.cz>
725 Backport from mainline
726 2012-05-02 Martin Jambor <mjambor@suse.cz>
729 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
730 of a variable when the contect is a function.
732 2012-05-03 Jakub Jelinek <jakub@redhat.com>
735 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
736 append program name to it and pass that as first argument
737 to make_relative_prefix. Always pass standard_libexec_prefix
738 as last argument to make_relative_prefix. If
739 make_relative_prefix returns NULL, fall back to
740 standard_libexec_prefix.
743 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
747 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
748 mode, return that mode.
750 2012-05-03 Richard Guenther <rguenther@suse.de>
752 PR tree-optimization/53144
753 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
755 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
756 with SSA name values.
757 (vn_reference_lookup_3): Adjust callers.
759 2012-05-02 Jakub Jelinek <jakub@redhat.com>
761 PR tree-optimization/53163
762 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
763 return value from compute_all_dependences.
765 PR rtl-optimization/53160
766 * ree.c (combine_reaching_defs): Handle the case where cand->insn
767 has been modified by ree pass already.
769 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
771 Backport from mainline
772 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
775 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
776 calls to cgraph_node_name in xstrdup.
777 (ipa_make_edge_direct_to_target): Ditto.
778 * tree-sra.c (convert_callers_for_node): Ditto.
779 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
780 * ipa-cp.c (perhaps_add_new_callers): Ditto.
781 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
782 (cgraph_materialize_all_clones): Ditto.
783 * ipa-inline.c (report_inline_failed_reason): Ditto.
784 (want_early_inline_function_p): Ditto.
785 (edge_badness): Ditto.
786 (update_edge_key): Ditto.
787 (flatten_function): Ditto.
789 (inline_always_inline_functions): Ditto.
790 (early_inline_small_functions): Ditto.
792 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
794 Backport from mainline
795 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
797 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
798 Introduce emul_name to select the right linker emulation for
799 powerpc64-*-freebsd*.
800 * configure: Regenerate.
801 * config.gcc: Add bits to support powerpc64-*-freebsd*.
802 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
803 * config/rs6000/freebsd64.h: New file.
804 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
806 (rs6000_savres_strategy): Likewise.
807 (rs6000_savres_routine_name): Likewise.
808 (rs6000_elf_file_end): Likewise.
809 * config/rs6000/t-freebsd64: New file.
810 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
811 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
813 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
815 Backport from mainline
816 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
819 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
821 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
823 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
824 predicate to discriminate types.
826 2012-04-27 Richard Guenther <rguenther@suse.de>
829 * convert.c (convert_to_integer): Avoid infinite recursion for
830 target-defined built-in types.
832 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
835 * config/cris/cris.md ("*andhi_lowpart_v32")
836 ("*andqi_lowpart_v32"): Change first input-only operand from
837 a (match_operand ...) to (match_dup 0). Drop alternatives with
838 const_int-matching constraints for redundancy.
839 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
840 three-operand alternative.
842 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
844 Backport from mainline
845 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
847 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
848 (*addsi_2_zext): Ditto.
849 (*add<mode>_3): Ditto.
850 (*addsi_3_zext): Ditto.
851 (*add<mode>_5): Ditto.
853 2012-04-25 Jakub Jelinek <jakub@redhat.com>
856 * c-typeck.c (set_nonincremental_init,
857 set_nonincremental_init_from_string): Pass true instead of false
858 as IMPLICIT to add_pending_init.
860 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
862 Backport from 2012-04-24 mainline r186768.
865 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
867 2012-04-24 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/53085
870 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
873 2012-04-24 Jakub Jelinek <jakub@redhat.com>
876 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
878 (output_addressed_constants): Likewise.
881 * varasm.c (get_section): Don't ICE for section conflicts with
882 built-in section kinds.
884 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
886 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
888 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
890 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
892 2012-04-23 Richard Guenther <rguenther@suse.de>
895 * c-typeck.c (build_binary_op): Fix typo.
897 2012-04-23 Jakub Jelinek <jakub@redhat.com>
899 PR tree-optimizations/52891
900 * tree-vect-patterns.c (adjust_bool_pattern): Use
901 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
902 but with non-standard precision.
904 2012-04-22 Ian Lance Taylor <iant@google.com>
906 * godump.c (go_output_typedef): Dump size of structs.
908 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
910 Backport from mainline:
912 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
913 hints for 'A' operand types.
915 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
917 Backport from 2012-04-19 mainline r186588.
920 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
923 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
925 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
927 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
930 * config/i386/sync.md (atomic_<code><mode>): Rename to
931 atomic_<logic><mode>.
933 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
935 Backport from mainline
936 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
939 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
940 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
941 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
942 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
943 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
944 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
945 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
946 gen_avx2_permvarv8sf.
948 2012-04-16 Martin Jambor <mjambor@suse.cz>
950 Backported from mainline
952 2012-04-13 Martin Jambor <mjambor@suse.cz>
955 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
956 fold_ctor_reference returns a zero constant.
958 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
960 Backported from mainline
961 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
963 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
964 and __ILP32__ for x32.
966 2012-04-13 Tom de Vries <tom@codesourcery.com>
968 Backport from mainline r186418.
970 2012-04-13 Tom de Vries <tom@codesourcery.com>
972 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
973 parameters vuse and vuse_escaped.
974 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
975 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
978 2012-04-13 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/52969
981 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
982 the condition for the COND_EXPR and handle predicate negation
983 by swapping the COND_EXPR arms.
985 2012-04-13 Richard Guenther <rguenther@suse.de>
988 * convert.c (convert_to_pointer): Remove special-casing of
991 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
993 Backport from mainline
994 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
997 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
998 the list of options to enable the FCFID instruction.
999 (TARGET_EXTRA_BUILTINS): Adjust comment.
1001 2012-04-12 Richard Guenther <rguenther@suse.de>
1003 PR tree-optimization/52943
1004 * tree-chrec.h (chrec_is_positive): Remove.
1005 * tree-scalar-evolution.c (chrec_is_positive): Move ...
1006 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
1007 Return false for a constant zero instead of negative.
1008 (analyze_siv_subscript_cst_affine): Handle zero difference
1009 in the initial condition explicitely.
1011 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1014 * varasm.c (process_pending_assemble_externals): Set
1015 pending_assemble_externals_processed true.
1016 (assemble_external): Call assemble_external_real if the pending
1017 assemble externals have been processed.
1019 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
1022 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1023 the DECL generated for the special GOT helper.
1025 2012-04-06 Walter Lee <walt@tilera.com>
1027 Backport from mainline
1028 2012-03-07 Walter Lee <walt@tilera.com>
1030 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1031 REG_CFA_* notes for the stack pointer.
1032 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1033 EH_RETURN_STACKADJ_RTX.
1034 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1035 generate REG_CFA_* notes for the stack pointer.
1036 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1037 by EH_RETURN_STACKADJ_RTX.
1039 2012-04-06 Matt Turner <mattst88@gmail.com>
1041 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1043 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
1045 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1046 of the destination isn't also a FP_REGS register.
1048 2012-04-03 Richard Guenther <rguenther@suse.de>
1050 Backport from mainline
1051 2012-03-02 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/52406
1054 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1055 (struct indices): Add unconstrained_base member.
1056 (struct dr_alias): Remove unused vops member.
1057 (DR_UNCONSTRAINED_BASE): New define.
1058 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1059 add indices to allow their disambiguation. Make DR_BASE_OBJECT
1060 be an artificial access that covers the whole indexed object,
1061 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
1062 plain decl base-objects to their MEM_REF variant.
1063 (dr_may_alias_p): When the base-object of either data reference
1064 has unknown size use only points-to information.
1065 (compute_affine_dependence): Make dumps easier to read and
1067 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1068 DR_REF when looking for packed references.
1069 (vect_supportable_dr_alignment): Likewise.
1071 2012-04-03 Richard Guenther <rguenther@suse.de>
1073 Backport from mainline
1074 2012-03-15 Richard Guenther <rguenther@suse.de>
1077 * tree-data-ref.c (subscript_dependence_tester_1): Check
1078 all dimensions for non-conflicting access functions.
1080 2012-04-03 Richard Guenther <rguenther@suse.de>
1082 Backport from mainline
1083 2012-03-06 Richard Guenther <rguenther@suse.de>
1086 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1088 2012-03-23 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/52678
1091 * tree-vectorizer.h (struct _stmt_vec_info): Add
1092 loop_phi_evolution_part member.
1093 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1094 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1095 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1096 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1097 Use the cached evolution part and the PHI nodes value from
1098 the loop preheader edge instead of re-analyzing the evolution.
1100 2012-03-26 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/52701
1103 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1104 compute and set the evolution part of PHI nodes.
1106 2012-03-30 Richard Guenther <rguenther@suse.de>
1108 PR tree-optimization/52754
1109 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1110 propagate arbitrary addresses into really plain dereferences.
1112 2012-04-03 Jakub Jelinek <jakub@redhat.com>
1114 PR tree-optimization/52835
1115 * tree-data-ref.c (build_rdg): Return NULL if
1116 compute_data_dependences_for_loop failed.
1118 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
1120 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1121 (stmt_can_make_abnormal_goto): Use it.
1122 (is_ctrl_altering_stmt): Likewise.
1124 2012-03-31 Martin Jambor <mjambor@suse.cz>
1126 Backported from mainline
1127 2012-03-30 Martin Jambor <mjambor@suse.cz>
1129 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1130 is a builtin_stack_save in a dominating BB.
1132 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1134 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1135 crossing 128bit lane boundary.
1137 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
1139 Backported from mainline
1140 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1143 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1145 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1146 * config/i386/i386.c: Include reload.h.
1147 (ix86_legitimize_reload_address): New function.
1149 2012-03-28 Martin Jambor <mjambor@suse.cz>
1151 Backported from mainline
1152 2012-03-27 Martin Jambor <mjambor@suse.cz>
1155 * tree-sra.c (sra_modify_assign): Do not call
1156 load_assign_lhs_subreplacements when working with an unscalarizable
1159 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1162 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1163 __builtin_va_start to __builtin_next_arg if the latter is
1164 builtin_decl_explicit_p rather than when it is not.
1167 * tree-vect-generic.c (vector_element): Perform multiplication
1168 for pos in bitsizetype type instead of idx type.
1170 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1172 Backport from 2012-03-28 mainline r185910.
1175 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1176 (avr_builtin_decl): New static function.
1177 (struct avr_builtin_description, avr_bdesc): Move up.
1178 Add GTY marker. Add field fndecl. Remove redundant field id.
1179 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1180 (avr_expand_builtin): Code cleanup because .id is removed.
1182 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1185 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1188 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1190 Backport from 2012-03-28 mainline r185907.
1193 * config.gcc (tm_file): Remove avr/multilib.h.
1195 * doc/invoke.texi (AVR Options): Adjust
1196 documentation of -mtiny-stack.
1198 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1199 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1200 * config/avr/t-avr: Remove generation of multilib.h.
1201 * config/avr/t-multilib: Regenerate.
1202 * config/avr/multilib.h: Remove.
1203 * config/avr/avr.opt (-msp8): New option.
1204 (avr_sp8): New variable.
1205 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1206 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1207 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1208 (avr_device_to_sp8): New prototype.
1209 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1210 (DRIVER_SELF_SPECS): New define.
1211 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1212 __AVR_SP8__, __AVR_HAVE_SPH__.
1213 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1214 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1215 (avr_file_start): Ditto.
1217 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1220 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1221 instead of 8 in adjust_address.
1223 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1225 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1226 of a unit before computing the offset in units.
1228 2012-03-27 Richard Guenther <rguenther@suse.de>
1231 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1234 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1237 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1239 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
1242 * varasm.c: Include pointer-set.h.
1243 (pending_assemble_externals_set): New pointer set.
1244 (process_pending_assemble_externals): Destroy the pointer set.
1245 (assemble_external): See if decl is in pending_assemble_externals_set,
1246 and add it to pending_assemble_externals if necessary.
1247 (init_varasm_once): Allocate pending_assemble_externals_set.
1249 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1251 Backported from mainline
1252 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
1255 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1256 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1257 (vector_ltgt<mode>): Likewise.
1258 (vector_ordered<mode>): Likewise.
1259 (vector_unordered<mode>): Likewise.
1260 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1262 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
1264 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1267 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
1269 Backported from mainline
1270 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
1274 * config/sh/sh.c (sh_register_move_cost): Increase cost between
1275 GENERAL_REGS and FP_REGS for SImode.
1277 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1280 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1281 on any new_local_var_chain vars declared during recursing on
1282 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1284 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1286 Backport from 2012-03-22 mainline r185692.
1289 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1290 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1291 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1292 (delay_cycles_1, delay_cycles_2): Ditto.
1293 (delay_cycles_3, delay_cycles_4): Ditto.
1294 (nopv, *nopv): Ditto.
1295 (sleep, *sleep): Ditto.
1298 Backport from 2012-03-21 mainline r185605.
1300 PR rtl-optimization/52543
1302 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1303 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1304 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1305 (avr_load_libgcc_p): Restrict to __flash loads.
1306 (avr_out_lpm): Only handle 1-byte loads from __flash.
1307 (avr_load_lpm): New function.
1308 (avr_find_unused_d_reg): Remove.
1309 (avr_out_lpm_no_lpmx): Remove.
1310 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1311 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1312 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1313 (load_<mode>, load_<mode>_clobber): New insns.
1314 (mov<mode>): For multi-byte move from non-generic
1315 16-bit address spaces: Expand to load_<mode> resp.
1316 load_<mode>_clobber.
1317 (load<mode>_libgcc): Remove expander.
1318 (split-lpmx): Remove split.
1320 Backport from 2012-03-13 mainline r185329.
1323 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1324 offset (size) to a value the insns can deal with.
1325 (expand_epilogue): Ditto.
1327 Backport from 2012-03-12 mainline r185256.
1330 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1331 type from reg_class_t to enum reg_class.
1332 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1334 Backport from 2012-03-12 mainline r185253.
1337 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1338 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1339 r184615 from 2012-02-28.
1341 Backport from 2012-03-08 mainline r185105.
1343 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1344 for constants in [-63,63].
1346 Backport from 2012-03-08 mainline r185100.
1349 * config/avr/avr.c (avr_mem_clobber): New static function.
1350 (avr_expand_delay_cycles): Add memory clobber operand to
1351 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1352 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1353 (enable_interrupt, disable_interrupt): New expander.
1354 (nopv, sleep, wdr): New expanders.
1355 (delay_cycles_1): Add memory clobber.
1356 (delay_cycles_2): Add memory clobber.
1357 (delay_cycles_3): Add memory clobber.
1358 (delay_cycles_4): Add memory clobber.
1359 (cli_sei): New insn from former "enable_interrupt",
1360 "disable_interrupt" with memory clobber.
1361 (*wdt): New insn from former "wdt" with memory clobber.
1362 (*nopv): Similar, but for "nopv".
1363 (*sleep): Similar, but for "sleep".
1365 Backport from 2012-03-07 mainline r185043.
1368 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1370 Backport from 2012-03-07 mainline r185032.
1373 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1374 to: RAMPZ, RAMPY, RAMPX, RAMPD.
1375 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1377 Backport from 2012-03-07 mainline r185031.
1380 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1382 * config/avr/avr.md (xload_8): Adjust insn length.
1384 Backport from 2012-03-07 mainline r185030.
1387 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1388 if RAMPZ affects reading from RAM.
1390 Backport from 2012-03-05 mainline r184919.
1392 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1394 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1396 Backport from mainline r185259.
1399 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1400 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1402 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1404 Backported from mainline
1405 2012-03-13 Jakub Jelinek <jakub@redhat.com>
1408 * c-parser.c (c_parser_postfix_expression)
1409 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1411 * config/i386/smmintrin.h: Avoid /* within a comment.
1412 * config/i386/nmmintrin.h: Likewise.
1414 2012-03-22 Richard Guenther <rguenther@suse.de>
1416 * BASE-VER: Set to 4.7.1.
1417 * DEV-PHASE: Set to prerelease.
1419 2012-03-22 Release Manager
1421 * GCC 4.7.0 released.
1423 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1425 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1427 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1428 Andrew Pinski <apinski@cavium.com>
1431 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1432 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1433 calls instead of __builtin_ir{int,ound}*.
1435 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1438 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1441 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1443 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1444 Refer to GCC 4.7 version of c99status.html.
1446 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1448 Backport from mainline
1449 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1451 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1452 redefine to be NULL if the current bit-size is different from the
1453 configured bit-size.
1455 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1456 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1457 set the default tuning. Add asserts to make sure the cpu and tune
1458 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1459 test whether the index is set, instead of > 0.
1460 (rs6000_file_start): Do not reset the default cpu if the current
1461 bit-size is different from the configured bit-size.
1463 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1465 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1467 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1468 Update binutils references.
1469 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1470 Update binutils reference.
1471 Update Sun as/GNU ld caveat.
1472 Document binutils largefile requirement for LTO plugin.
1473 Remove reference to alternate libpthread.
1475 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1477 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1479 (Specific, mips-sgi-irix6): Likewise.
1481 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1483 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1484 * configure: Regenerate.
1486 2012-03-07 Richard Henderson <rth@redhat.com>
1488 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1489 * config/m68k/sync.md (atomic_test_and_set): Use it.
1490 (atomic_test_and_set_1): Likewise.
1492 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1495 * Makefile.in: Let install-gcc-ar depend on installdirs,
1496 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1497 Don't double canonicalize if cross-compiling.
1499 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1501 * trans-mem.c: New typedef for tm_region_p.
1502 Define vector types for tm_region_p.
1503 (tm_region_init): Replace region_worklist to a vector called
1506 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1509 * trans-mem.c (tm_region_init): Use last_basic_block.
1511 2012-03-05 Richard Henderson <rth@redhat.com>
1514 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1515 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1516 BIGGEST_ALIGNMENT is aligned.
1518 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1520 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1522 2012-03-05 Richard Henderson <rth@redhat.com>
1525 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1526 instead of calling negqi2 directly.
1528 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1530 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1531 (INTMAX_TYPE): Use it.
1532 (UINTMAX_TYPE): Likewise.
1533 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1534 (irix6_c_common_override_options): Declare.
1535 (C_COMMON_OVERRIDE_OPTIONS): Define.
1536 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1537 * config/mips/irix6-c.c: New file.
1538 * config/mips/t-irix6 (irix6-c.o): New target.
1539 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1542 2012-03-02 Richard Henderson <rth@redhat.com>
1544 * optabs.c (expand_atomic_test_and_set): Honor
1545 atomic_test_and_set_trueval even when atomic_test_and_set
1546 optab is not in use.
1548 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1550 Backport from mainline
1551 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1553 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1555 2012-03-02 Richard Guenther <rguenther@suse.de>
1557 * DEV-PHASE: Set to prerelease.
1559 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1561 * config.gcc (obsolete): Add all ARM targets using the FPA.
1562 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1563 * doc/install.texi: Avoid references to obsolete ARM ports.
1565 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1567 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1569 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1570 Joern Rennecke <joern.rennecke@embecosm.com>
1572 * doc/extend.texi: Expand and update information on interrupt
1573 attribute for Epiphany.
1575 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1577 * config/sh/sh-protos.h: Update copyright notice dates.
1578 * config/sh/sh.h: Likewise.
1579 * config/sh/sh.md: Likewise.
1580 * config/sh/constraints.md: Likewise.
1581 * config/sh/predicates.md: Likewise.
1583 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1585 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1586 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1588 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1590 * config/sh/constraints.md: Fix comment typo.
1592 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1595 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1596 unsigned HOST_WIDE_INT.
1597 (zvdep_imm64): Likewise.
1598 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1599 (vdepi_and): Likewise.
1600 Likewise for unamed 64-bit patterns.
1601 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1603 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1606 PR rtl-optimization/52417
1607 * cselib.c (cselib_any_perm_equivs): New variable.
1608 (cselib_reset_table): Check that it's not set when not
1609 preserving constants.
1610 (cselib_add_permanent_equiv): Set it.
1611 (cselib_have_permanent_equivalences): New.
1612 (cselib_init, cselib_finish): Reset it.
1613 * cselib.h (cselib_have_permanent_equivalences): Declare.
1614 * alias.c (get_addr): Restore earlier behavior when there
1615 aren't permanent equivalences.
1617 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1619 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1620 * config/v850/v850-modes.def: Fix copyright notice.
1622 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1624 * doc/extend.texi (AVR Built-in Functions): Document
1625 __builtin_avr_flash_segment.
1627 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1628 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1629 (*split.flash_segment): New insn-and-split.
1630 * config/avr/avr.c (avr_init_builtins): Add local variables:
1631 const_memx_void_node, const_memx_ptr_type_node,
1632 char_ftype_const_memx_ptr.
1634 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1636 PR tree-optimization/52445
1637 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1638 add ssa_name_ver, offset and size fields and change store field
1640 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1641 (add_or_mark_expr): Likewise. Only consider previous stores
1642 with the same size and offset.
1643 (nt_init_block): Only look at gimple_assign_single_p stmts,
1644 doesn't look at rhs2.
1646 2012-03-01 Richard Guenther <rguenther@suse.de>
1649 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1650 conversions from integral types to pointer types.
1652 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1654 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1655 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1656 unintentionally removed in r184616.
1658 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1660 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1663 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1664 Uros Bizjak <ubizjak@gmail.com>
1667 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1668 alternatives, add "e" constraint to the new last alternative
1669 and ! to last 3 alternatives.
1671 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1673 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1674 DW_AT_artificial attributes at the end of the processing.
1675 (gen_array_type_die): Likewise.
1676 (gen_enumeration_type_die): Likewise.
1677 (gen_struct_or_union_type_die): Likewise.
1678 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1681 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1684 * expr.c (expand_assignment): If doing misaligned store that doesn't
1685 cover all mode bits, perform a RMW cycle.
1687 PR tree-optimization/52429
1688 * tree-parloops.c (separate_decls_in_region_debug): Return early
1689 if var is LABEL_DECL.
1691 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1693 PR tree-optimization/52424
1694 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1695 calling dom_thread_across_edge.
1697 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1699 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1701 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1703 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1704 * config/avr/avr.c (avr_output_bld): Remove unused function.
1705 (avr_out_sbxx_branch): Use "%T" to print bit position.
1707 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1709 * config/avr/avr.md: Untabify.
1711 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1713 * config/avr/avr.md (eqne): New code iterator.
1714 (*dec-and-branchsi): Use it in text peephole's condition.
1715 (*dec-and-branchhi): Ditto.
1716 (*dec-and-branchqi): Ditto.
1718 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1721 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1722 the device does not have the skip-bug.
1724 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1726 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1727 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1728 -mpretend-cmove): New.
1730 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1733 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1734 doesn't count DEBUG_INSN refs.
1735 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1736 for DEBUG_INSN refs.
1738 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1742 2012-02-20 Richard Guenther <rguenther@suse.de>
1743 PR tree-optimization/52298
1744 * tree-vect-stmts.c (vectorizable_load): Properly use
1745 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1748 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1751 * gimple.h (gimple_in_transaction): New.
1752 (gimple_set_in_transaction): New.
1753 (struct gimple_statement_base): Add in_transaction field.
1754 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1756 (tree_ssa_lim_initialize): Compute transaction bits.
1757 * tree.h (compute_transaction_bits): Protoize.
1758 * trans-mem.c (tm_region_init): Use the heap to store BB
1760 (compute_transaction_bits): New.
1762 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1764 * gcc.c (display_help): Document --help=common and sort entries
1767 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1769 * doc/install.texi: Document check-$LANG specific shortcuts
1771 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1774 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1776 * config/arm/arm_neon.h: Regenerate.
1777 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1778 (neon_vcgeu): New insn.
1779 (neon_vcgtu): Likewise.
1780 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1781 (ops): Unsigned comparison intrinsics call a different
1784 2012-02-28 Richard Guenther <rguenther@suse.de>
1787 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1788 ordering for the VEC_CONCAT for two element vectors for
1789 V2SFmode, V2SImode and V2DImode.
1791 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1794 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1795 detecting big-endian triplets.
1797 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1799 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1800 mode if there is no type information available.
1802 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1804 PR tree-optimization/53207
1805 * doc/invoke.texi: Document as experimental and relying on graphite.
1807 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1809 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1810 of initializer to changes from r184614.
1812 2012-02-28 Richard Guenther <rguenther@suse.de>
1814 PR tree-optimization/52395
1815 * tree-sra.c (build_ref_for_offset): Also look at the base
1816 TYPE_ALIGN when figuring out the alignment of the replacement.
1818 2012-02-28 Richard Guenther <rguenther@suse.de>
1820 PR tree-optimization/52402
1821 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1822 mis-aligned types when creating the accesses at the call site.
1824 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1826 * config/avr/builtins.def: New file.
1827 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1828 * config/avr/avr.c (enum avr_builtin_id): Use it.
1829 (avr_init_builtins): Use it. And use avr_bdesc.
1830 (bdesc_1arg): Remove.
1831 (bdesc_2arg): Remove.
1832 (bdesc_3arg): Remove.
1833 (struct avr_builtin_description): Add field n_args.
1834 (avr_bdesc): New static variable using builtins.def.
1835 (avr_expand_builtin): Use it.
1836 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1837 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1838 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1840 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1843 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1844 match only one single hard register with respective hard reg rtx.
1845 (movmemx_<mode>): Ditto.
1846 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1847 insn anatomy of movmem[x]_<mode>.
1848 (avr_out_movmem): Same for printing assembler and operand usage.
1850 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1854 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1855 address spaces located outside of device flash.
1857 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1858 (mcu_type_s): Add field n_flash.
1859 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1860 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1861 (AVR_MCU): Add N_FLASH argument.
1862 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1863 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1864 macro __FLASH<n> if that address space makes sense for the device.
1865 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1866 outside of target flash.
1867 (avr_asm_named_section): Ditto.
1868 (avr_asm_select_section): Ditto.
1869 (avr_addr_space_convert): Ditto.
1870 (avr_emit_movmemhi): Ditto.
1871 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1872 address space is outside of device flash.
1873 (avr_insert_attributes): Ditto.
1874 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1875 avr_current_arch->n_segments.
1877 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1880 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1882 (*movabs<mode>_2): Likewise.
1884 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1887 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1888 s_register_operand in the test instead of REG_P. Don't call
1889 gen_reg_rtx if it won't be used.
1891 PR tree-optimization/52376
1892 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1894 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1896 * ifcvt.c (noce_get_condition): Check condition variable is not
1897 small_register_classes_for_mode_p before accepting.
1899 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1901 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1903 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1906 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1907 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1909 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1911 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1913 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1915 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1917 * config/sh/predicates.md: Remove blank lines.
1918 * config/sh/sh.c: Fix typos in comments.
1919 * config/sh/constraints.md: Likewise.
1920 * config/sh/sh.md: Remove blank lines.
1921 Fix typos in comments. Use ;; as comment characters.
1923 2012-02-26 Walter Lee <walt@tilera.com>
1925 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1926 (replace_mov_pcrel_step2): Ditto.
1928 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1931 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1932 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1933 and locs that reference values newer than the non-canonical value
1934 at hand. Return the canonical value as a worst case.
1935 (memrefs_conflict_p): Walk canonical value's locs.
1938 * cselib.c (preserve_only_constants): Rename to...
1939 (preserve_constants_and_equivs): ... this. Split out...
1940 (invariant_or_equiv_p): ... this. Preserve plus expressions
1941 of other preserved expressions too.
1942 (cselib_reset_table): Adjust.
1943 * var-tracking.c (reverse_op): Use canonical value to build
1946 2012-02-23 Kai Tietz <ktietz@redhat.com>
1948 * config/i386/i386.c (ix86_delegitimize_address): Handle
1949 UNSPEC_PCREL plus displacement.
1951 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1954 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1955 to test for unusedness in st X addressing.
1957 2012-02-24 Richard Guenther <rguenther@suse.de>
1960 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1961 (is_gimple_reg_type): Move inline ...
1962 * gimple.h (is_gimple_reg_type): ... here.
1964 2012-02-24 Richard Guenther <rguenther@suse.de>
1967 * passes.c (execute_function_todo): When verifying SSA form
1968 verify gimple form first.
1969 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1971 2012-02-24 Richard Guenther <rguenther@suse.de>
1974 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1975 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1977 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1979 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1981 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1983 * tree-phinodes.c (make_phi_node): Mark static.
1984 * tree-flow.h (make_phi_node): Remove extern decl.
1985 * doc/gimple.texi (make_phi_node): Remove documentation.
1987 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1989 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1990 * tree-ssa-sccvn.c (print_scc): Ditto.
1992 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1994 * doc/passes.texi (Full redundancy elimination): Fix typo.
1996 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1998 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2000 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
2003 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2005 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
2008 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2010 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
2012 * config/avr/avr.md (code_stdname): Add ior, xor.
2013 (xior): New code iterator.
2014 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2015 (*<code_stdname><mode>qi.byte1-3): Ditto.
2017 2012-02-23 Jakub Jelinek <jakub@redhat.com>
2019 PR tree-optimization/52019
2020 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2023 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2025 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2026 HAVE_INITFINI_ARRAY to work around namespace pollution in
2027 certain versions of newlib system headers.
2028 * config.in: Regenerate.
2029 * configure: Regenerate.
2030 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2031 instead of HAVE_INITFINI_ARRAY.
2033 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
2036 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2037 is not offsettable memory reference.
2039 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2042 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2043 setting avr_need_clear_bss_p for __gnu_lto* symbols.
2045 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2047 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2048 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2050 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2052 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2053 library on Solaris 8 even without TLS support.
2054 * configure: Regenerate.
2056 2012-02-22 Richard Guenther <rguenther@suse.de>
2059 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2060 for GIMPLE_DEBUG stmts.
2062 2012-02-22 Martin Jambor <mjambor@suse.cz>
2065 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2066 according to the base object.
2068 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
2070 PR rtl-optimization/50063
2071 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2072 and 2 (8-bit SP) in operand 2.
2073 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2074 setup to use movhi_sp_r instead of vanilla move to write SP.
2075 Adjust REG_CFA notes to superseed unspec.
2076 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2078 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2079 known to be off) only with TARGET_NO_INTERRUPTS. Never use
2080 irq_state 1 (IRQ known to be on) here.
2082 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
2084 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2086 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2087 assign_hard_reg): Likewise.
2089 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2091 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2093 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2096 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2097 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2099 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
2101 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2102 prototype from here to...
2103 * config/avr/avr.h: ...here.
2105 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
2108 * thumb2.md (thumb2_shiftsi3_short): Split register and
2109 immediate shifts. For register shifts tie operands 0 and 1.
2110 (peephole2 for above): Check that register-controlled shifts
2111 have suitably tied operands.
2113 2012-02-21 Quentin Neill <quentin.neill@amd.com>
2116 * config/i386/bdver1.md (bdver1_call, bdver1_push,
2117 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2118 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2119 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2120 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2121 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2122 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2123 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2124 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2125 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2126 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2127 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2128 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2129 bdver1_ssevector_avx256_unaligned_load,
2130 bdver1_ssevector_sse128_unaligned_load,
2131 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2132 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2133 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2134 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2135 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2136 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2137 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2138 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2139 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2140 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2141 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2142 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2143 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2144 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2145 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2146 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2147 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2148 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2149 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2150 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2151 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2152 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2153 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2154 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2155 bdver1_ssediv_double_load, bdver1_ssediv_double,
2156 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2157 Add "bdver2" attribute.
2159 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2161 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2162 default if possible and not specified otherwise.
2164 2012-02-21 Richard Guenther <rguenther@suse.de>
2167 * gimplify.c (create_tmp_from_val): Use the main variant type
2168 for the type of the temporary we create.
2170 2012-02-21 Richard Guenther <rguenther@suse.de>
2172 PR tree-optimization/52324
2173 * gimplify.c (gimplify_expr): When re-gimplifying expressions
2174 do not gimplify a MEM_REF address operand if it is already
2177 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2179 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2180 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2182 2012-02-21 Richard Guenther <rguenther@suse.de>
2184 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2185 nested_in_vect_loop.
2187 2012-02-21 Jakub Jelinek <jakub@redhat.com>
2189 PR tree-optimization/52318
2190 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2191 vdef also to non-pure/const call stmts in the sequence.
2193 2012-02-20 David S. Miller <davem@davemloft.net>
2195 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2196 don't use the "rd %pc" instruction on v9 for PIC register loads.
2198 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
2201 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2202 in a transaction safe function.
2204 2012-02-20 Kai Tietz <ktietz@redhat.com>
2207 * stor-layout.c (place_field): Handle desired_align for
2210 2012-02-20 Richard Guenther <rguenther@suse.de>
2212 PR tree-optimization/52298
2213 * tree-vect-stmts.c (vectorizable_store): Properly use
2214 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2216 (vectorizable_load): Likewise.
2217 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2218 Access DR_STEP after ensuring it is not NULL.
2220 2012-02-20 Jakub Jelinek <jakub@redhat.com>
2222 PR tree-optimization/52286
2223 * fold-const.c (fold_binary_loc): For (X & C1) | C2
2224 optimization use double_int_to_tree instead of build_int_cst_wide,
2225 rewrite to use double_int vars.
2227 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2230 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2232 Remove -e 0 from $gcc_cv_ld invocation.
2233 Only use __GLIBC_PREREQ if defined.
2234 Enable on Solaris since Solaris 8 patch.
2235 (gcc_SUN_LD_VERSION): New macro.
2236 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2237 gcc_SUN_LD_VERSION for version number format.
2238 * configure: Regenerate.
2239 * varasm.c (get_elf_initfini_array_priority_section): Set
2240 SECTION_NOTYPE for non-default priority.
2241 Use get_section instead of get_unnamed_section to emit
2242 .init_array/.fini_array with default priority.
2244 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2246 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2247 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
2248 (mips_start_unique_function, mips_output_mips16_rdhwr)
2249 (mips_code_end): New functions.
2250 (TARGET_ASM_CODE_END): Define.
2252 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
2254 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2255 to stubs with non-sibling calls.
2257 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
2259 * doc/invoke.texi (-fira-* options): Copy-edit.
2260 (ira-* parameters): Copy-edit.
2262 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2264 * doc/invoke.texi: Minor copy-edits to bring into conformance with
2265 GCC coding conventions.
2267 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
2269 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2270 when used as adjectives.
2272 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
2274 * doc/invoke.texi: Clean up "that"/"which" confusion.
2276 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
2278 * system.h: Poison SMALL_REGISTER_CLASSES
2279 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2280 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2282 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2284 PR tree-optimization/52285
2285 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2286 when deciding if a call is a tail call or tail recursion.
2288 2012-02-16 Kai Tietz <ktietz@redhat.com>
2290 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2291 interger-constant displacement for UNSPEC_PCREL.
2293 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2295 PR rtl-optimization/52208
2296 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2297 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2299 PR tree-optimization/52255
2300 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2301 loop->header has virtual PHI, but exit_e->dest doesn't, add
2302 virtual PHI to exit_e->dest and adjust all uses after the loop.
2305 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2306 children with clone_tree_hash, not after it.
2308 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
2310 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2311 extended identifiers.
2313 2012-02-16 Jakub Jelinek <jakub@redhat.com>
2316 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2317 a same_body_alias, also test whether e->callee isn't a former
2318 or current clone of the decl this is a same body alias of.
2320 PR translation/52264
2321 * cgraphunit.c (verify_cgraph_node): Fix a typo.
2323 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
2325 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2327 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
2330 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2331 force_reg instead of copy_to_reg for better optimization. Force
2332 non-register or memory operands into a register.
2334 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
2336 * extend.texi: Reserve upper bits of memory model for future use.
2338 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
2339 Anatoly Sokolov <aesok@post.ru>
2340 Eric Weddington <eric.weddington@atmel.com>
2343 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2344 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2345 Rewrite initializers for .macro.
2346 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2347 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2348 atxmega32d4, atxmega32x1.
2349 avrxmega4: atxmega64a3, atxmega64d3.
2350 avrxmega5: atxmega64a1, atxmega64a1u.
2351 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2352 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2353 avrxmega7: atxmega128a1, atxmega128a1u.
2354 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2355 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2356 (struct base_arch_s): Rename reserved to xmega_p.
2357 Rename reserved2 to have_rampd.
2358 (AVR_XMEGA): New define.
2359 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2360 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2361 * config/avr/predicates.md (io_address_operand): Take into
2363 (low_io_address_operand): Ditto.
2364 (high_io_address_operand): Ditto.
2365 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2366 (enabled, movhi_sp_r): Use them.
2367 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2368 cpp_define_formatted to built-in define __AVR_ARCH__.
2369 (__AVR_XMEGA__): New built-in define.
2370 (__AVR_HAVE_RAMPD__): New built-in define.
2371 (__AVR_HAVE_RAMPX__): New built-in define.
2372 (__AVR_HAVE_RAMPY__): New built-in define.
2373 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2375 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2376 (avr_option_override): Initialize them.
2377 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2378 (avr_init_expanders): Initialize them. No more block several calls.
2379 (emit_push_sfr): New static function.
2380 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2382 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2383 (avr_print_operand): Print addreeses as symbols for
2384 RAMPX, RAMPY, RAMPD, CCP.
2385 (output_movhi): Handle AVR_XMEGA when writing to SP.
2386 (avr_out_movhi_mr_r_xmega): New static function.
2387 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2388 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
2389 __RAMPD__, __CCP__ as needed.
2391 * config/avr/multilib.h: Regenerate.
2392 * config/avr/t-multilib: Regenerate.
2393 * config/avr/avr-tables.opt: Regenerate.
2395 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
2397 PR tree-optimization/50561
2398 * graphite-flattening.c (lst_project_loop): Do not
2399 remove old scattering dimensions after flattening.
2400 (lst_do_flatten): Likewise.
2402 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
2404 * doc/extend.texi (AVR Built-in Functions): Remove doc for
2405 __builtin_avr_map8, __builtin_avr_map16.
2406 Document __builtin_avr_insert_bits.
2408 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2409 (insert_bits): New insn.
2410 (adjust_len.map_bits): Rename to insert_bits.
2411 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2412 * avr-protos.h (avr_out_map_bits): Remove.
2413 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2414 * config/avr/constraints.md (Cxf,C0f): New.
2415 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2416 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2417 New built-in define __BUILTIN_AVR_INSERT_BITS.
2418 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2419 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2420 (avr_move_bits): Rewrite.
2421 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2423 (avr_map_op_t): New typedef.
2424 (avr_map_op): New static variable.
2425 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2426 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2427 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2428 (bdesc_3arg, avr_expand_triop_builtin): New.
2429 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2430 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2431 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2432 (avr_map_equal_p, avr_map_sig_p): Remove.
2433 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2434 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2435 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2436 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2437 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2438 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2440 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2442 * config/c6x/c6x.md (reserve_cycles): New attribute.
2443 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2444 don't reserve functional units after the branch occurs.
2446 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2449 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2450 functions into non-tm_pure functions.
2452 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2455 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2456 (iterative_hash_canonical_type): Likewise.
2457 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2460 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2462 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2463 sched-group insn, it either remains alone or the entire list is pruned.
2465 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2467 * doc/install.texi (Prerequisites): Fix grammar.
2468 (Configuration): Likewise.
2470 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2472 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2473 MPC as part of GCC before describing configuring with --with-gmp etc.
2474 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2475 sources are present.
2477 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2480 * dwarf2out.c (clone_tree_hash): New function.
2481 (copy_decls_walk): Use it instead of clone_tree.
2483 2012-02-14 Richard Guenther <rguenther@suse.de>
2485 PR tree-optimization/52244
2486 PR tree-optimization/51528
2487 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2488 replacements for integral types.
2490 2012-02-14 Walter Lee <walt@tilera.com>
2492 * config.gcc: Handle tilegx and tilepro.
2493 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2495 Add HAVE_AS_TLS check for tilegx and tilepro.
2496 * configure: Regenerate.
2497 * doc/contrib.texi: Add Mat Hostetter and self.
2498 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2499 Document instruction intrinsics and network accessing intrinsics.
2500 (TILEPro Built-in Functions): New node. Document instruction
2501 intrinsics and network accessing intrinsics.
2502 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2503 (Specific, tilepro-*-linux*): Likewise.
2504 * doc/invoke.texi (TILE-Gx Options): New section.
2505 (TILEPro Options): New section.
2506 * doc/md.texi (TILE-Gx): New section.
2507 (TILEPro): New section.
2508 * common/config/tilegx/tilegx-common.c: New file.
2509 * common/config/tilepro/tilepro-common.c: New file.
2510 * config/tilegx/constraints.md: New file.
2511 * config/tilegx/linux.h: New file.
2512 * config/tilegx/mul-tables.c: New file.
2513 * config/tilegx/predicates.md: New file.
2514 * config/tilegx/sync.md: New file.
2515 * config/tilegx/t-tilegx: New file.
2516 * config/tilegx/tilegx-builtins.h: New file.
2517 * config/tilegx/tilegx-c.c: New file.
2518 * config/tilegx/tilegx-generic.md: New file.
2519 * config/tilegx/tilegx-modes.def: New file.
2520 * config/tilegx/tilegx-multiply.h: New file.
2521 * config/tilegx/tilegx-protos.h: New file.
2522 * config/tilegx/tilegx.c: New file.
2523 * config/tilegx/tilegx.h: New file.
2524 * config/tilegx/tilegx.md: New file.
2525 * config/tilegx/tilegx.opt: New file.
2526 * config/tilepro/constraints.md: New file.
2527 * config/tilepro/gen-mul-tables.cc: New file.
2528 * config/tilepro/linux.h: New file.
2529 * config/tilepro/mul-tables.c: New file.
2530 * config/tilepro/predicates.md: New file.
2531 * config/tilepro/t-tilepro: New file.
2532 * config/tilepro/tilepro-builtins.h: New file.
2533 * config/tilepro/tilepro-c.c: New file.
2534 * config/tilepro/tilepro-generic.md: New file.
2535 * config/tilepro/tilepro-modes.def: New file.
2536 * config/tilepro/tilepro-multiply.h: New file.
2537 * config/tilepro/tilepro-protos.h: New file.
2538 * config/tilepro/tilepro.c: New file.
2539 * config/tilepro/tilepro.h: New file.
2540 * config/tilepro/tilepro.md: New file.
2541 * config/tilepro/tilepro.opt: New file.
2543 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2545 PR tree-optimization/52210
2546 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2547 vect_model_simple_cost with two entry vect_def_type array instead
2548 of an address of dt.
2550 2012-02-14 Richard Guenther <rguenther@suse.de>
2553 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2554 Do not stream DECL_QUALIFIER.
2555 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2556 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2557 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2559 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2562 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2565 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2568 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2569 * cselib.c (cselib_subst_to_values_from_insn): New function.
2570 * sched-deps.c (add_insn_mem_dependence,
2571 sched_analyze_1, sched_analyze_2): Use it.
2573 2012-02-13 Jan Hubicka <jh@suse.cz>
2576 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2578 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2580 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2581 (GTM_SELF_SPECS): Define if not already defined.
2582 (driver_self_specs): Add GTM_SELF_SPECS.
2583 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2584 (GTM_SELF_SPECS): Define.
2585 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2586 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2588 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2590 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2593 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2596 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2597 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2599 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2602 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2604 2012-02-13 Richard Guenther <rguenther@suse.de>
2606 PR translation/52211
2607 * passes.c (enable_disable_pass): Fix typo.
2609 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2612 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2613 XOR for reduce_bit_field if type is unsigned.
2615 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2617 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2618 disallow changes from SFmode to mode with different size in FP regs.
2620 2012-02-12 Robert Millan <rmh@gnu.org>
2621 Gerald Pfeifer <gerald@pfeifer.com>
2623 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2626 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2628 PR rtl-optimization/52175
2629 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2630 to frame-related instructions.
2632 2012-02-10 Jason Merrill <jason@redhat.com>
2635 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2636 (demangle_new_symbols): Fill it.
2637 (scan_linker_output): Walk it.
2638 (start_tweaking): Split out from scan_linker_output.
2639 (maybe_tweak): Update sym->chosen.
2640 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2642 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2645 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2647 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2649 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2650 having the same mode as previous compare.
2652 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2654 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2655 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2656 (nonlocal_goto_internal): Likewise.
2657 (nonlocal_goto): Emit a use and an indirect jump directly.
2659 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2662 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2663 __atomic_{is,always}_lock_free.
2665 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2668 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2669 negative constant address for x32.
2671 2012-02-10 Richard Henderson <rth@redhat.com>
2673 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2674 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2675 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2677 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2678 Ira Rosen <irar@il.ibm.com>
2680 PR tree-optimization/50031
2681 * targhooks.c (default_builtin_vectorization_cost): Handle
2683 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2684 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2685 all types of reduction and pattern statements.
2686 (vect_estimate_min_profitable_iters): Likewise.
2687 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2688 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2689 for explicit realigns.
2690 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2691 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2693 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2694 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2695 vec_perm for VSX and handle vec_promote_demote.
2697 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2700 * builtins.c (fold_builtin_atomic_always_lock_free,
2701 expand_builtin_atomic_always_lock_free,
2702 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2703 Return and/or test boolean_true_node/boolean_false_node instead of
2704 integer_one_node/integer_zero_node.
2706 2012-02-10 Jan Hubicka <jh@suse.cz>
2709 * predict.c (predict_paths_for_bb): Prevent looping.
2710 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2712 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2714 * config/arm/arm.c (output_move_double): In one case properly
2715 count number of instructions that will be emitted.
2717 2012-02-10 Richard Guenther <rguenther@suse.de>
2719 PR translation/52193
2720 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2722 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2725 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2727 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2730 * var-tracking.c (emit_note_insn_var_location): If
2731 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2732 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2733 non-NOTE_DURING_CALL_P insn.
2735 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2738 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2740 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2743 * gcc.c (switch_matches) Support switches with separated form,
2746 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2748 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2750 (RAMPZ_ADDR): Ditto.
2751 * config/avr/avr.c (avr_addr_t): New typedef.
2752 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2753 (avr_init_expanders): Initialize it.
2754 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2756 (expand_epilogue): Ditto.
2757 (avr_print_operand): Ditto.
2758 (avr_file_start): Ditto.
2759 (avr_emit_movmemhi): Ditto.
2761 2012-02-08 Richard Guenther <rguenther@suse.de>
2763 PR tree-optimization/46886
2764 * tree-flow.h (do_while_loop_p): Declare.
2765 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2766 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2768 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2770 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2771 always succeed for integers larger than a native word.
2773 2012-02-08 Richard Guenther <rguenther@suse.de>
2775 PR rtl-optimization/52170
2776 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2777 properly handle integer vector modes.
2779 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2781 PR gcov-profile/52150
2782 * coverage.c: Include target.h.
2783 (build_var): Call targetm.strip_name_encoding on the assembler name.
2784 Change one _ into . or $ if the target allows it.
2785 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2787 PR rtl-optimization/52139
2788 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2789 is a BARRIER after emit_insn_after_noloc, move BB_END
2790 to the last non-BARRIER insn before it.
2792 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2795 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2796 (mips_gimplify_va_arg_expr): Call it instead of
2797 std_gimplify_va_arg_expr.
2799 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2801 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2802 message for -mno-pointers-to-nested-function.
2804 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2807 * expr.c (get_inner_reference): If there is an offset, add a negative
2808 bit position to it (if any).
2810 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2812 PR rtl-optimization/52060
2813 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2814 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2815 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2816 and/or i0src_copy2 when needed.
2818 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2820 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2821 or LTOPLUGINSONAME if have_c.
2823 * config/freebsd-spec.h: Add comment about what macros can be defined
2825 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2826 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2829 2012-02-07 Richard Guenther <rguenther@suse.de>
2831 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2832 newline in -alias dumps.
2834 2012-02-07 Kai Tietz <ktietz@redhat.com>
2835 Dave Korn <dave.korn.cygwin@gmail.com>
2838 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2839 Take care that typinfo gets dllexport-attribute.
2841 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2844 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2845 if modifier < EXPAND_SUM call force_operand on the result.
2847 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2849 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2850 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2852 (epiphany_function_type): Replace types for specific interrupts with
2853 EPIPHANY_FUNCTION_INTERRUPT.
2854 (EPIPHANY_INTERRUPT_P): Update.
2855 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2856 New static function.
2857 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2858 <disinterrupt>: Affects type identity.
2859 (epiphany_handle_interrupt_attribute): Handle variable number of
2861 (epiphany_compute_function_type): Update for new
2862 epiphany_function_type definition.
2863 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2864 handlers with a longcall forwarder.
2865 (epiphany_start_function): Handle multiple interrupt arguments and/or
2866 forwarder_section attribute.
2868 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2871 2012-02-07 Alan Modra <amodra@gmail.com>
2874 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2877 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2879 PR tree-optimization/50969
2880 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2881 use vec_perm rather than vector_stmt.
2882 (vect_model_load_cost): Likewise.
2883 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2884 vec_perm to be the same as other vector statements.
2885 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2886 cost of vec_perm for TARGET_VSX.
2888 2012-02-06 Richard Guenther <rguenther@suse.de>
2890 PR tree-optimization/52115
2891 * tree-sra.c (access_has_replacements_p): New function.
2892 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2894 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2897 * trans-mem.c (expand_call_tm): Add an assertion.
2898 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2901 2012-02-06 Richard Guenther <rguenther@suse.de>
2903 PR tree-optimization/50955
2904 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2905 raise cost of expressions that replace an address with an
2906 expression based on a different pointer.
2908 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2911 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2912 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2914 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2917 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2918 -Weffc++ and specify guidelines come from second edition.
2920 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2922 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2923 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2924 (call_direct_split, call_value_split, call_value_internal_direct)
2925 (call_value_direct_split, call_value_multiple_split): Use jal and
2926 jal_macro attributes.
2928 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2930 * reload1.c (reload_regs_reach_end_p): Replace with...
2931 (reload_reg_rtx_reaches_end_p): ...this function.
2932 (new_spill_reg_store): Update commentary.
2933 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2934 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2935 before setting new_spill_reg_store.
2936 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2937 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2938 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2939 for non-spill reload registers.
2941 2012-02-05 Ira Rosen <irar@il.ibm.com>
2943 PR tree-optimization/52091
2944 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2945 (vect_is_simple_use_1): Likewise.
2946 * tree-vect-loop.c (vectorizable_reduction): Update calls
2947 to vect_is_simple_use_1 and vect_is_simple_use.
2948 (vectorizable_live_operation): Likewise.
2949 * tree-vect-patterns.c (widened_name_p,
2950 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2951 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2952 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2953 vectorizable_shift,vectorizable_operation, vectorizable_store,
2954 vectorizable_load): Likewise.
2955 (vect_is_simple_cond): Add an argument, pass it to
2956 vect_is_simple_use_1.
2957 (vectorizable_condition): Update calls to vect_is_simple_cond,
2959 (vect_is_simple_use): Add an argument, the statement in which
2960 OPERAND is used. Check that if OPERAND's def stmt is a double
2961 reduction phi node, the use is a phi node too.
2962 (vect_is_simple_use_1): Add an argument, pass it to
2964 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2965 to vect_is_simple_use.
2967 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2969 PR rtl-optimization/52095
2970 * modulo-sched.c (dump_insn_locator): New function.
2971 (loop_canon_p, sms_schedule): Use it.
2973 PR rtl-optimization/52113
2974 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2975 even for decomposable shift/zext insns.
2977 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2978 Zdenek Dvorak <ook@ucw.cz>
2980 PR rtl-optimization/52092
2981 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2982 on get_iv_value result.
2984 2012-02-02 Andrew Pinski <apinski@cavium.com>
2988 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2990 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2993 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2995 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2997 PR rtl-optimization/49800
2998 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2999 (sched_finish): Call regstat_free_n_sets_and_refs.
3001 2012-02-02 Jia Liu <proljc@gmail.com>
3003 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3006 2012-02-02 Jan Hubicka <jh@suse.cz>
3007 Tom de Vries <tom@codesourcery.com>
3010 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3011 * varpool.c (varpool_analyze_pending_decls): Likewise.
3013 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3014 Jayant R Sonar <jayant.sonar@kpitcummins.com>
3016 * config.gcc: Add cr16-* support.
3018 * doc/extend.texi: Document cr16 extensions.
3019 * doc/install.texi: Document cr16 install.
3020 * doc/invoke.texi: Document cr16 options.
3021 * doc/md.texi: Document cr16 constraints.
3023 * common/config/cr16/cr16-common.c: New file.
3024 * config/cr16/cr16.c: New file.
3025 * config/cr16/cr16.h: New file.
3026 * config/cr16/cr16.md: New file.
3027 * config/cr16/cr16.opt: New file.
3028 * config/cr16/cr16-protos.h: New file.
3029 * config/cr16/predicates.md: New file.
3030 * config/cr16/constraints.md: New file.
3031 * config/cr16/t-cr16: New file.
3033 2012-02-02 Jakub Jelinek <jakub@redhat.com>
3036 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3037 that operands[2] is either immediate, or q_regs_operand.
3039 PR tree-optimization/52073
3040 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3041 a pattern stmt for pattern uses, ignore uses outside of the loop.
3043 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3045 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3046 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3047 (OUT_AS1, OUT_AS2): Remove.
3049 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
3051 PR rtl-optimization/51374
3052 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3053 to cross other volatile_refs_p insns.
3055 2012-02-01 Richard Guenther <rguenther@suse.de>
3057 * doc/invoke.texi (fno-inline): Clarify documentation.
3058 (finline-small-functions): Likewise.
3059 (finline-functions): Likewise.
3060 * common.opt (finline): Adjust comment and documentation.
3061 (finline-small-functions): Clarify documentation.
3062 (finline-functions): Likewise.
3063 (finline-functions-called-once): Likewise.
3065 2012-02-01 Tristan Gingold <gingold@adacore.com>
3067 * c-typeck.c (composite_type): Keep mode for pointers.
3069 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
3071 * function.h (regno_reg_rtx): Adjust comment.
3072 * reginfo.c (init_reg_modes_target): Only use the previous mode
3073 if it fits within one register. Remove MIPS comment.
3075 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3078 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3080 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3082 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3083 to srak instruction.
3085 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3087 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3089 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3094 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3096 2012-01-31 Richard Guenther <rguenther@suse.de>
3098 PR tree-optimization/51528
3099 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3102 2012-01-31 Jakub Jelinek <jakub@redhat.com>
3107 * ree.c (add_removable_extension): Change def_map argument
3108 to unsigned *, store in def_map 1 + offset into *insn_list vector
3109 instead of pointers into the vector.
3110 (find_removable_extensions): Adjust caller.
3112 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3114 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3115 Transform all "* quoted-c-code" to { c-code }.
3116 Remove redundant test for "optimize" in combine patterns.
3117 Move (include "avr-dimode.md") to end of file.
3119 2012-01-30 Bin Cheng <bin.cheng@arm.com>
3122 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3123 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3125 2012-01-30 Richard Guenther <rguenther@suse.de>
3127 PR tree-optimization/52028
3128 * tree-loop-distribution.c (ldist_gen): Properly update
3131 2012-01-30 Jakub Jelinek <jakub@redhat.com>
3134 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3135 set_cur_line_info_table if not emitting debug info.
3137 PR tree-optimization/52046
3138 * tree-vect-patterns.c (check_bool_pattern): Give up if
3139 a comparison could throw.
3142 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3144 2012-01-30 Richard Guenther <rguenther@suse.de>
3146 PR tree-optimization/52045
3147 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3148 SSA form if cfgcleanup did anything.
3150 2012-01-30 Richard Guenther <rguenther@suse.de>
3152 PR tree-optimization/52045
3153 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3154 before computing final todo.
3156 2012-01-30 Richard Guenther <rguenther@suse.de>
3158 PR tree-optimization/51528
3159 * tree-sra.c (sra_modify_assign): Re-factor in preparation
3162 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3164 * df-problems.c (df_kill_notes): Check that the use refers
3165 to the note under examination.
3167 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
3170 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3171 parameter and use short-lived pseudos.
3172 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3173 (sparc_expand_vector_init): Const-ify local variables and adjust
3174 calls to above functions.
3176 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
3178 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3180 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
3182 * doc/invoke.texi: Make usage of "compile time" and
3183 "run time"/"runtime" consistent throughout the file.
3185 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
3187 * config/alpha/alpha.c (alpha_option_override): Default to
3188 full IEEE compliance mode for Go language.
3190 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
3192 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3193 (LINK_SSP_SPEC): Define.
3195 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3198 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3201 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
3203 * doc/invoke.texi: Correct hyphenation of "floating point",
3204 "double precision", and related terminology throughout the file.
3206 2012-01-28 Jakub Jelinek <jakub@redhat.com>
3209 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3210 arm_general_register_operand predicate for operand 2 instead of
3213 2012-01-27 Ian Lance Taylor <iant@google.com>
3216 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3217 * builtins.c (expand_builtin_init_trampoline): Add onstack
3218 parameter. Change caller.
3219 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3220 * tree.c (build_common_builtin_nodes): Declare
3221 __builtin_init_heap_trampoline.
3223 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
3225 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3226 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3227 * config/avr/avr.c: Ditto.
3228 (avr_regnames): Remove because unused.
3229 * config/avr/avr.md (*cpse.ne): New peephole.
3230 (*cpse.eq): New peephole from former cpse peepholes.
3232 2012-01-27 Michael Eager <eager@eagercon.com>
3234 * config/microblaze.c (microblaze_emit_compare): Correct
3235 test after pcmp instruction.
3237 2012-01-27 Richard Guenther <rguenther@suse.de>
3239 PR tree-optimization/52020
3240 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3242 2012-01-27 Richard Guenther <rguenther@suse.de>
3244 * ipa-pure-const.c (check_stmt): Clobbers do not make a
3245 function non-const/pure.
3247 2012-01-27 Richard Guenther <rguenther@suse.de>
3249 PR tree-optimization/50444
3250 * tree-sra.c (build_ref_for_offset): Properly adjust the
3251 MEM_REF type for unaligned accesses.
3253 2012-01-27 Richard Guenther <rguenther@suse.de>
3255 PR tree-optimization/50444
3256 * expr.c (mem_ref_refers_to_non_mem_p): New function.
3257 (expand_assignment): Use it. Properly handle misaligned
3258 bases when expanding stores to component references.
3259 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3262 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
3265 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3266 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3267 * tree-data-ref.c (find_data_references_in_loop): Make static.
3268 (compute_all_dependences): Change return type to bool. Bail out
3269 for too many datarefs in a loop. Move the hunk resetting the data
3270 dependences vector from ...
3271 (compute_data_dependences_for_loop): ... here. Account for
3272 compute_all_dependences returning false.
3273 (compute_data_dependences_for_bb): Likewise.
3274 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3275 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3277 2012-01-27 Richard Guenther <rguenther@suse.de>
3280 * expr.c (store_field): Use the alias-set of the scratch memory
3283 2012-01-27 Tom de Vries <tom@codesourcery.com>
3285 PR tree-optimization/51990
3286 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3288 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3290 2012-01-27 Jakub Jelinek <jakub@redhat.com>
3293 * var-tracking.c (reverse_op): Don't add any reverse operation
3294 if V already has any constant locations.
3296 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3298 * doc/invoke.texi: Correct usage of "command line" (noun)
3299 vs "command-line" (adjective) throughout.
3301 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
3303 * doc/invoke.texi (Language Independent Options): Move
3304 -Wcoverage-mismatch blurb from here....
3305 (Warning Options): ...to here.
3307 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
3309 * config/rs6000/rs6000.c (rs6000_option_override_internal):
3310 Set rs6000_always_hint to false for 476.
3312 2012-01-27 Matthias Klose <doko@ubuntu.com>
3314 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3316 * incpath.c (add_standard_paths): Likewise.
3318 2012-01-27 Richard Henderson <rth@redhat.com>
3320 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3321 * config/m68k/sync.md (atomic_test_and_set): Rename from
3322 sync_test_and_setqi and adjust the operands.
3323 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3324 and unconditionally enable.
3326 2012-01-27 Richard Henderson <rth@redhat.com>
3328 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3329 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3330 (ldstub): Rename from ldstubqi.
3331 (ldstub<I24MODE>): Remove.
3333 2012-01-27 Richard Henderson <rth@redhat.com>
3335 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3336 * c-cppbuiltin.c (cpp_atomic_builtins): Define
3337 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3338 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3339 * doc/tm.texi: Rebuild.
3341 2012-01-27 Richard Henderson <rth@redhat.com>
3343 * optabs.c (gen_atomic_test_and_set): Remove default.
3344 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3346 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3348 PR rtl-optimization/51978
3349 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3350 (combine_reaching_defs): Likewise.
3351 (struct re_info): Remove.
3352 (add_removable_extension): Remove x and data arguments,
3353 add insn, insn_list and def_map. Use the arguments directly
3354 instead of using struct re_info.
3355 (find_removable_extensions): Don't call add_removable_extension
3356 through note_stores, instead just call it with single_set
3358 (find_and_remove_re): Pass curr_cand->expr instead of
3359 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3361 2012-01-26 Michael Matz <matz@suse.de>
3363 PR tree-optimization/46590
3364 * cfgexpand.c: Revert last change (r183305).
3365 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3367 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3368 checking for emptiness.
3370 2012-01-26 Jakub Jelinek <jakub@redhat.com>
3373 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3374 non-addressable non-BLKmode base correctly.
3376 2012-01-26 Michael Matz <matz@suse.de>
3378 PR tree-optimization/48794
3379 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3380 regions referenced from RESX/EH_DISPATCH.
3382 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3384 * config/s390/s390.h: Make BRANCH_COST an option.
3385 * config/s390/s390.opt: New option -mbranch-cost.
3387 2012-01-26 Richard Henderson <rth@redhat.com>
3389 Revert 2012-01-24 change:
3390 * trans-mem.c (requires_barrier): Do not instrument thread local
3391 variables and emit save/restore for them.
3393 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3396 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3399 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3401 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3404 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
3407 Rename __pgm to __flash.
3408 Rename __pgm1 to __flash1.
3409 Rename __pgm2 to __flash2.
3410 Rename __pgm3 to __flash3.
3411 Rename __pgm4 to __flash4.
3412 Rename __pgm5 to __flash5.
3413 Rename __pgmx to __memx.
3414 * doc/extend.texi (AVR Named Address Spaces)
3415 Rename address space names as indicated above.
3416 * config/avr/avr.c (avr_addrspace): Ditto.
3418 * config/avr/avr-protos.h
3419 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3420 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3421 * config/avr/predicates.md: Ditto.
3422 * config/avr/avr.c Ditto, and
3423 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3424 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3426 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3427 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3428 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3429 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3430 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3431 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3432 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3433 * config/avr/avr.c: Ditto.
3434 * config/avr/avr.md: Ditto.
3436 2012-01-25 Jason Merrill <jason@redhat.com>
3439 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3441 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3443 PR tree-optimization/51987
3444 * tree-data-ref.c (get_references_in_stmt): Handle references in
3445 non-volatile GIMPLE_ASM.
3447 2012-01-25 Richard Guenther <rguenther@suse.de>
3449 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3450 bases are dereferenced.
3452 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3454 PR rtl-optimization/48374
3455 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3457 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3459 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3460 compute_data_dependences_for_loop returns false.
3461 * tree-parloops.c (loop_parallel_p): Likewise.
3463 2012-01-25 Richard Guenther <rguenther@suse.de>
3465 * tree.h (get_pointer_alignment_1): Declare.
3466 * builtins.c (get_pointer_alignment_1): New function.
3467 (get_pointer_alignment): Use it.
3469 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3471 PR rtl-optimization/48308
3472 * combine.c (enum undo_kind): Add UNDO_LINKS.
3473 (struct undo): Add member l to other_contents and where.
3474 (do_SUBST_LINK): New.
3476 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3477 (undo_all): Handle UNDO_LINKS.
3479 2012-01-25 Richard Henderson <rth@redhat.com>
3481 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3484 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3486 * optabs.c (gen_atomic_test_and_set): Use each argument.
3488 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3490 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3491 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3492 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3493 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3494 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3495 TARGET_PAIRED_SINGLE_FLOAT.
3497 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3499 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3500 (in_struct, return_val): Remove MEM documentation.
3501 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3502 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3503 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3505 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3506 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3507 * expr.c (store_field): Likewise.
3508 * function.c (assign_stack_temp_for_type): Likewise.
3509 * ifcvt.c (noce_try_cmove_arith): Likewise.
3510 * reload1.c (reload): Likewise.
3511 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3512 (alpha_set_memflags): Likewise.
3513 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3515 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3517 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3519 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3520 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3521 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3523 * cselib.c (cselib_rtx_varies_p): Delete.
3524 (cselib_invalidate_mem): Update call to canon_true_dependence.
3525 * dse.c (record_store, check_mem_read_rtx): Likewise.
3526 (scan_reads_nospill): Likewise.
3527 * cse.c (check_dependence): Likewise.
3528 (cse_rtx_varies_p): Delete.
3529 * expr.c (safe_from_p): Update call to true_dependence.
3530 * ira.c (validate_equiv_mem_from_store): Likewise.
3531 (memref_referenced_p): Likewise.
3532 * postreload-gcse.c (find_mem_conflicts): Likewise.
3533 * sched-deps.c (sched_analyze_2): Likewise.
3534 * store-motion.c (load_kills_store): Likewise.
3535 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3536 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3537 (compute_transp): Update call to canon_true_dependence.
3539 2012-01-25 Richard Henderson <rth@redhat.com>
3541 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3542 (maybe_emit_atomic_test_and_set): New.
3543 (expand_sync_lock_test_and_set): Use it.
3544 (expand_atomic_test_and_set): Likewise.
3545 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3546 the implementation; clarify implementation defined details.
3547 * doc/md.texi (atomic_test_and_set): Document.
3549 2012-01-25 Richard Henderson <rth@redhat.com>
3551 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3553 2012-01-25 Richard Henderson <rth@redhat.com>
3556 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3557 to effect no-op split.
3559 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3562 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3563 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3564 (BT_FN_VOID_PTR_INT_SIZE): New.
3565 (BT_FN_UINT_UINT_VAR): Remove.
3566 (BT_FN_UINT32_UINT32_VAR): New.
3567 (BT_FN_DOUBLE_VPTR): Remove.
3568 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3570 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3571 (_ITM_changeTransactionMode): Same.
3572 (_ITM_memmoveRtWt): Change return type to void.
3573 (_ITM_memcpyRtWt): Same.
3574 (_ITM_memsetW): Same.
3575 (_ITM_RaRD): Change types to double.
3580 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3582 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3583 Patrick Marlier <patrick.marlier@gmail.com>
3585 * trans-mem.c (requires_barrier): Do not instrument thread local
3586 variables and emit save/restore for them.
3588 2012-01-24 Jason Merrill <jason@redhat.com>
3591 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3592 output static aliases.
3594 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3597 * common.opt (-pie, -shared, pie, shared): Change from Common to
3599 * gcc.c (display_help): Display help for -pie and -shared.
3601 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3604 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3605 Remove note on size/offset limitation.
3606 (AVR Variable Attributes): Add example how to read data located
3607 with progmem. Refer to named address spaces.
3608 * doc/invoke.texi (AVR Options): Fix typo.
3610 2012-01-24 Richard Guenther <rguenther@suse.de>
3612 Forward-port to trunk
3613 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3616 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3617 op0 isn't sufficiently aligned and there is movmisalignM
3618 insn for mode, use it to load op0 into a temporary register.
3620 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3623 * target.def (const_not_ok_for_debug_p): New hook.
3624 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3626 * doc/tm.texi: Regenerated.
3627 * dwarf2out.c (const_ok_for_output_1): If
3628 targetm.const_not_ok_for_debug_p returns true, fail.
3629 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3631 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3633 2012-01-23 Kai Tietz <ktietz@redhat.com>
3636 * config/i386/predicates.md (symbolic_operand): Allow
3637 UNSPEC_PCREL as PIC expression for lea.
3638 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3639 * config/i386/i386.c (ix86_delegitimize_address): Handle
3640 UNSPEC_PCREL for none-MEM, too.
3642 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3644 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3645 (ipa_tm_create_version_alias): Same.
3647 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3650 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3651 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3653 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3654 Patrick Marlier <patrick.marlier@gmail.com>
3655 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3658 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3659 simple_object_start_read.
3661 2012-01-23 Richard Guenther <rguenther@suse.de>
3664 PR tree-optimization/51895
3665 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3666 parameter decomposition into BLKmode components.
3668 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3670 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3671 fake variables for restrict-qualified pointers whose pointed-to type
3672 contains a placeholder.
3674 2012-01-23 Richard Guenther <rguenther@suse.de>
3676 PR tree-optimization/51949
3677 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3679 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3681 PR rtl-optimization/51933
3682 * ree.c (transform_ifelse): Return true right away if dstreg is
3683 already wider or equal to cand->mode.
3684 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3685 (make_defs_and_copies_lists): Remove defs_list and copies_list
3686 arguments, add state argument, just truncate state->work_list
3687 instead of always allocating and freeing the vector. Assert that
3688 get_defs succeeds instead of returning 2. Changed return type to bool.
3689 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3690 have ext_src_mode, see if it has been modified already with the
3691 right kind of extension and has been extended before from the
3692 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3693 just return true. Remember the original mode in state->modified array.
3694 (combine_reaching_defs): Add state argument. Don't allocate and
3695 free here def_list, copied_list and vec vectors, instead just
3696 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3697 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3698 Add state variable, clear vectors in it, initialize state.modified
3699 if needed. Free all the vectors at the end and state.modified too.
3700 Don't skip a candidate if the extension expression has been modified.
3702 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3705 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3706 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3707 (extra_options) interix.opt -> i386/interix.opt"
3708 (extra_objs):Add winnt-stubs.o
3709 * configure.ac: Add interix to target_os .comm on PE check.
3710 * configure: Regenerate.
3711 * config/interix3.h: Delete and move bits to..
3712 * config/interix.h: Delete and move bits to..
3713 * config/i386/i386-interix3.h: Delete and move bits to..
3714 * config/i386/i386-interix.h: ..here.
3715 (TARGET_CPU_DEFAULT): Remove redefinition.
3716 (TARGET_ASM_CONSTRUCTOR): Undefine.
3717 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3718 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3719 (PTRDIFF_TYPE): Define.
3720 (LONG_DOUBLE_TYPE_SIZE): Define.
3721 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3722 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3723 (TARGET_SECTION_TYPE_FLAGS): Define.
3724 (ASM_DECLARE_FUNCTION_NAME): Define.
3725 (ASM_OUTPUT_EXTERNAL): Define.
3726 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3727 (ASM_OUTPUT_ALIGNED_BSS): Define.
3728 (PCC_BITFIELD_TYPE_MATTERS): Define.
3729 (USE_CONST_SECTION): Define.
3730 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3731 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3732 (SUPPORTS_ONE_ONLY): Remove.
3733 (I386_PE_STRIP_ENCODING): Define.
3734 * config/interix.opt: Delete and move bits to..
3735 * config/i386/interix.opt: ..here. New.
3736 (mpe-aligned-commons): Add.
3737 * config/i386/t-interix: Add copyright header.
3738 (winnt-stubs.o): Add rule.
3740 2012-01-22 Jason Merrill <jason@redhat.com>
3743 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3744 for extra name aliases.
3746 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3748 PR rtl-optimization/51924
3749 * ree.c (combine_set_extension): Improve debugging message.
3750 (combine_reaching_defs): Likewise.
3751 (get_defs): Rename confusingly named variable.
3752 (find_and_remove_re): Skip a candidate if the extension expression has
3755 2012-01-21 Robert Millan <rmh@gnu.org>
3756 Gerald Pfeifer <gerald@pfeifer.com>
3758 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3759 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3761 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3763 PR tree-optimization/51914
3764 * tree-vect-stmts.c (vectorizable_conversion): For
3765 cvt_type && modifier == WIDEN, put temporary with cvt_type
3766 at the beginning of vec_dsts and set vec_dest to temporary
3769 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3771 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3773 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3775 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3776 * config/rs6000/rs6000.c: Likewise.
3778 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3781 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3782 output_move_double on a copy of operands array.
3784 2012-01-20 Cary Coutant <ccoutant@google.com>
3785 Dodji Seketeli <dodji@redhat.com>
3788 * dwarf2out.c (copy_declaration_context): Return ref to parent
3789 of declaration DIE, if necessary.
3790 (remove_child_or_replace_with_skeleton): Add new parameter; update
3791 caller. Place skeleton DIE under parent DIE of original declaration.
3792 Move call to copy_declaration_context to here ...
3793 (break_out_comdat_types): ... from here.
3795 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3797 PR rtl-optimization/51856
3798 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3801 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3804 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3805 hints for neon loads and stores.
3807 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3811 * doc/extend.texi (Named Address Spaces): Split into subsections.
3812 (AVR Named Address Spaces): New subsection.
3813 (M32C Named Address Spaces): New subsection.
3814 (RL78 Named Address Spaces): New subsection.
3815 (SPU Named Address Spaces): New subsection.
3816 (Variable Attributes): New anchor "AVR Variable Attributes".
3817 (AVR Variable Attributes): Rewrite and avoid wording
3818 "address space" in this context.
3819 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3820 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3821 (AVR Built-in Macros): New subsubsection therein.
3822 * doc/md.texi (AVR constraints): Remove "C04", "R".
3824 2012-01-20 Richard Guenther <rguenther@suse.de>
3826 PR tree-optimization/51903
3827 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3828 when removing stmts.
3830 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3833 * config/arm/arm.c (arm_load_pic_register): Use
3834 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3835 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3836 (arm_pic_static_addr): Likewise.
3837 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3838 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3839 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3840 (pic_load_addr_unified): New.
3842 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3845 * function.c (instantiate_virtual_regs_in_insn): Use
3846 delete_insn_and_edges when removing a wrong asm insn.
3848 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3850 PR rtl-optimization/40761
3851 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3852 Add new member loop_num.
3853 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3854 (ira_build): Remove the parameter.
3856 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3857 (ira.c): Do not build CFG loops for one region allocation. Remove
3858 argument from ira_build call.
3860 * ira-build.c (init_loop_tree_node): New function.
3861 (create_loop_tree_nodes): Use it. Separate the case when CFG
3862 loops are not built.
3863 (more_one_region_p): Check current_loops.
3864 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3866 (add_loop_to_tree): Process loop equal to NULL too.
3867 (form_loop_tree): Separate the case when CFG loops are not built.
3868 Use explicitly number for the root.
3869 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3871 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3872 instead of loop->num.
3873 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3874 (mark_all_loops_for_removal): Ditto.
3875 (remove_unnecessary_regions): Separate the case when CFG loops
3877 (ira_build): Remove the parameter. Use explicit number of regions
3878 when CFG loops are not built.
3880 * ira-color.c (print_loop_title): Separate the case for the root node.
3881 Use loop_num instead of loop->num.
3882 (move_spill_restore): Use loop_num instead of loop->num.
3884 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3885 (change_loop): Ditto.
3886 (change_loop): Use loop_num instead of loop->num.
3888 * ira-lives.c (process_bb_node_lives): Ditto.
3890 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3892 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3894 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3897 * tree-mudflap.c (mf_artificial): New function.
3898 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3899 mx_register_decls, mudflap_enqueue_decl): Use it.
3902 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3903 numbers in the insn pattern.
3905 2012-01-19 Michael Matz <matz@suse.de>
3907 PR tree-optimization/46590
3908 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3909 use it in remembering which conflicts we already created.
3910 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3913 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3916 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3917 (merge_and_complain): Same.
3919 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3922 * config/initfini-array.h: Guard content of the header
3923 with #ifdef HAVE_INITFINI_ARRAY.
3924 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3925 Add initfini-array.h to tm_file here.
3926 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3927 * config.gcc: Don't add initfini-array.h to tm_file here.
3928 * configure: Regenerated.
3930 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3932 PR rtl-optimization/51505
3933 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3934 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3935 (df_note_bb_compute): Update the call to df_kill_notes.
3937 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3939 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3941 2012-01-18 Richard Guenther <rguenther@suse.de>
3943 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3944 of conversions to void *.
3946 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3947 Richard Sandiford <rdsandiford@googlemail.com>
3951 * optabs.h (simplify_expand_binop): Declare.
3952 * optabs.c (simplify_expand_binop): Make global.
3953 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3954 endian targets if the source cannot be exactly covered by word
3957 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3960 * hard-reg-set.h (struct hard_reg_set_container): New type.
3961 * target.h (struct hard_reg_set_container): Forward declare.
3962 * target.def (set_up_by_prologue): New target hook.
3963 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3964 * doc/tm.texi: Regenerated.
3965 * function.c (thread_prologue_and_epilogue_insns): Change
3966 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3967 Call targetm.set_up_by_prologue on it.
3968 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3969 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3971 2012-01-17 Nick Clifton <nickc@redhat.com>
3973 * config/rx/rx.c (rx_can_use_simple_return): New function.
3974 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3975 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3977 2012-01-17 Richard Guenther <rguenther@suse.de>
3980 * expr.c (expand_assignment): Take address-space information
3981 from the address operand of MEM_REF and TARGET_MEM_REF.
3982 (expand_expr_real_1): Likewise.
3984 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3986 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3987 reload dump is requested.
3989 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3992 * trans-mem.c (requires_barrier): Call may_be_aliased.
3994 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3996 PR tree-optimization/51877
3997 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3998 call arguments and fndecls compare equal, instead return false if they
3999 don't. Return true only if lhs1 and lhs2 are either both NULL, or
4000 both SSA_NAMEs that are valueized the same, or they satisfy
4003 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4005 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4007 * configure: Regenerate.
4009 2012-01-16 Jan Hubicka <jh@suse.cz>
4013 * convert.c (convert_to_integer): Use fold_convert for
4014 converting an INTEGER_CST to integer type.
4016 2012-01-16 Jason Merrill <jason@redhat.com>
4019 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4021 2012-01-16 Jakub Jelinek <jakub@redhat.com>
4024 * config/s390/s390.c (s390_chunkify_start): Don't skip
4025 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
4026 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4027 If insn is followed by NOTE_INSN_VAR_LOCATION or
4028 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4029 Don't use location of note insns.
4031 PR tree-optimization/51865
4032 * tree-inline.c (tree_function_versioning): Call remap_decl
4033 on DECL_RESULT whenever it has VOID_TYPE_P type.
4035 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4037 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4038 for calls to locally-binding MIPS16 functions if only the return
4039 type uses float regs.
4041 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
4042 Richard Sandiford <rdsandiford@googlemail.com>
4044 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4045 (SYMBOL_32_HIGH): Likewise.
4046 (mips_output_tls_reloc_directive): Declare.
4047 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4048 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4049 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4050 (mips_lo_relocs, mips_hi_relocs): Make extern.
4051 (mips16_stub_function): Move up file.
4052 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4053 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
4054 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
4055 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4056 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
4057 (mips_get_tp): Add MIPS16 support.
4058 (mips_legitimize_tls_address): Remove MIPS16 sorry().
4059 Generalize DTPREL and TPREL handling.
4060 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4061 Add MIPS16 TLS support.
4062 (mips_output_tls_reloc_directive): New function.
4063 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4064 * config/mips/predicates.md (symbolic_operand_with_high)
4065 (tls_reloc_operand): New predicates.
4066 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4067 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4068 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4069 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
4070 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4071 (*tls_get_tp_mips16_call_<mode>): Likewise.
4073 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
4075 PR rtl-optimization/51821
4076 * recog.c (peep2_find_free_register): Determine clobbered registers
4079 2012-01-14 Denis Chertykov <chertykov@gmail.com>
4082 * config/avr/avr-protos.h: Revert change of 2012-01-09.
4083 * config/avr/avr.c: Likewise.
4084 * config/avr/avr.h: Likewise.
4086 2012-01-13 Ian Lance Taylor <iant@google.com>
4089 * tree.h (TYPE_QUALS): Add cast to int.
4090 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4092 2012-01-13 Ian Lance Taylor <iant@google.com>
4094 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4095 comparing param_index to VEC_length result.
4097 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
4099 * c-decl.c: Do not include tree-mudflap.h
4100 * tree-optimize.c: Likewise.
4101 * Makefile.in: Update dependencies.
4103 2012-01-13 Richard Guenther <rguenther@suse.de>
4106 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4107 variable-sized result always use RSO.
4109 2012-01-12 DJ Delorie <dj@redhat.com>
4111 * cfgexpand.c (convert_debug_memory_address): Allow any valid
4112 pointer type, not just the default pointer type.
4114 2012-01-09 Richard Henderson <rth@redhat.com>
4115 Denis Chertykov <chertykov@gmail.com>
4118 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4119 * config/avr/avr.c (avr_can_eliminate): Simplify.
4120 (avr_initial_elimination_offset): Likewise.
4121 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4122 (expand_epilogue): Likewise.
4123 (avr_legitimize_address): Gut.
4124 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4125 (avr_hard_regno_nregs): New.
4126 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4127 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4128 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4129 add soft frame pointer.
4130 (CALL_USED_REGISTERS): Likewise.
4131 (REG_CLASS_CONTENTS): Likewise.
4132 (REGISTER_NAMES): Likewise.
4133 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4134 (HARD_FRAME_POINTER_REGNUM): New.
4135 (FRAME_POINTER_REGNUM): Use soft frame pointer.
4136 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4137 remove the HARD_FRAME_POINTER self-elimination.
4139 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
4142 * config/avr/avr.c (avr_encode_section_info): Test for absence of
4143 DECL_EXTERNAL when checking for initializers of progmem variables.
4145 2012-01-12 Ira Rosen <irar@il.ibm.com>
4147 PR tree-optimization/51799
4148 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4149 that the last operation is a type demotion.
4151 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
4153 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4154 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4156 2012-01-11 Jakub Jelinek <jakub@redhat.com>
4159 * combine.c (distribute_notes): If i3 is a noreturn call,
4160 allow old_size to be equal to args_size and make sure the
4161 noreturn call gets REG_ARGS_SIZE note.
4162 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4163 on noreturn calls even when the delta is 0.
4165 2012-01-11 Nathan Sidwell <nathan@acm.org>
4167 * gcov.c (STRING_SIZE): Remove.
4168 (generate_results): Erase annotations for source files with no
4169 coverage information.
4171 (output_lines): Use it.
4173 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4175 * gimple.h (gimplify_body): Remove first argument.
4176 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
4177 pointer set here, instead just pass DATA to walk_tree.
4178 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
4179 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4180 (unvisit_body): Likewise, but with unmark_visited.
4181 (gimplify_body): Remove BODY_P argument and adjust.
4182 (gimplify_function_tree): Adjust call to gimplify_body.
4183 * omp-low.c (finalize_task_copyfn): Likewise.
4185 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
4187 * tree.h (build_function_decl_skip_args): Add boolean parameter.
4188 (build_function_type_skip_args): Delete.
4189 * tree.c (build_function_type_skip_args): Make static and add
4190 SKIP_RETURN parameter. Fix thinko in the handling of variants.
4191 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4192 pass it to build_function_type_skip_args.
4193 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4194 (tree_function_versioning): Likewise.
4195 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4196 build_function_decl_skip_args.
4197 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4198 and pass it to build_function_decl_skip_args/tree_function_versioning.
4199 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4200 * ipa-inline-transform.c (save_inline_function_body): Likewise.
4201 * trans-mem.c (ipa_tm_create_version): Likewise.
4202 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4203 * tree-inline.c (declare_return_variable): Remove always-true test.
4204 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
4205 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4206 * ipa-split.c (split_function): Skip the return value for the split
4207 part if it doesn't return.
4209 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4211 PR tree-optimization/49642
4212 * ipa-split.c (forbidden_dominators): New variable.
4213 (check_forbidden_calls): New function.
4214 (dominated_by_forbidden): Likewise.
4215 (consider_split): Check for forbidden dominators.
4216 (execute_split_functions): Initialize and free forbidden
4217 dominators info; call check_forbidden_calls.
4219 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4221 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4223 2012-01-11 Nick Clifton <nickc@redhat.com>
4225 * config/rx/rx.md (return): Define pattern.
4227 2012-01-11 Richard Guenther <rguenther@suse.de>
4229 * doc/extend.texi (malloc attribute): Adjust according to
4232 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
4233 Patrick Marlier <patrick.marlier@gmail.com>
4236 * trans-mem.c (get_cg_data): Traverse aliases if requested.
4237 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4238 (ipa_tm_note_irrevocable): Same.
4239 (ipa_tm_scan_irr_block): Same.
4240 (ipa_tm_decrement_clone_counts): Same.
4241 (ipa_tm_scan_irr_function): Same.
4242 (ipa_tm_create_version_alias): Same.
4243 (ipa_tm_create_version): Same.
4244 (ipa_tm_transform_calls_redirect): Same.
4245 (ipa_tm_transform_calls): Same.
4246 (ipa_tm_transform_transaction): Same.
4247 (ipa_tm_execute): Same.
4249 2012-01-10 Richard Guenther <rguenther@suse.de>
4252 * opts.c (common_handle_option): Handle -Werror.
4254 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
4256 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4259 2012-01-10 Jason Merrill <jason@redhat.com>
4261 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4264 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4266 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4267 supports R_386_TLS_GD_PLT reloc.
4268 (gcc_cv_as_ix86_tlsldmplt): Check if linker
4269 supports R_386_TLS_LDM_PLT reloc.
4270 * configure: Regenerate.
4271 * config.in: Regenerate.
4273 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
4276 Extend __pgmx semantics to linearize memory.
4277 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4278 determine if code comes inline or from libgcc.
4279 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4280 (movmem_qi, movmem_qi): Set constraint #2 to "n".
4281 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4282 (movmemx_qi, movmemx_hi): New insns.
4283 (xload_<mode>_libgcc): Rewrite to new insn condition.
4284 (xload_<mode>): Remove insns.
4285 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4286 cases that don't satisfy avr_xload_libgcc_p().
4287 (avr_addr_space_convert): Allow converting in any direction.
4288 (avr_addr_space_subset_p): Return always true.
4289 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4290 (avr_emit_movmemhi): Ditto.
4291 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4292 (avr_out_movmem): Ditto.
4293 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4294 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4295 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4296 (avr_encode_section_info): Encode 'progmem' in symbol flags.
4297 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4299 2012-01-10 Richard Guenther <rguenther@suse.de>
4301 PR tree-optimization/50913
4302 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4303 Require data-refs to be representable by Graphite with respect
4306 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
4308 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4309 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4311 2012-01-10 Tom de Vries <tom@codesourcery.com>
4313 PR rtl-optimization/51271
4314 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4315 handling annulled branch.
4317 2012-01-10 Richard Henderson <rth@redhat.com>
4319 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4320 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4321 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4322 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4323 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4324 arm_expand_vec_perm_const): New.
4325 * config/arm/arm-protos.h: Update.
4326 * config/arm/neon.md (UNSPEC_VCONCAT): New.
4327 (*neon_vswp<VDQX>): New.
4328 (neon_vcombine<VDX>): Use neon_split_vcombine.
4329 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4330 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4331 (vec_perm<VE>): New.
4333 2012-01-10 Richard Henderson <rth@redhat.com>
4335 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4336 use it if reload_completed.
4337 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4338 arm_output_asm_insn, arm_process_output_memory_barrier,
4339 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4340 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4341 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4342 arm_process_output_sync_insn, arm_output_sync_insn,
4343 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4344 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4345 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4346 (emit_unlikely_jump): New.
4347 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4348 (arm_split_atomic_op): New.
4349 * config/arm/arm-protos.h: Update.
4350 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4351 (struct arm_sync_generator): Remove.
4352 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4353 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4354 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4355 (VUNSPEC_LL, VUNSPEC_SC): New.
4356 (sync_result, sync_memory, sync_required_value, sync_new_value,
4357 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4358 (attr length): Don't use arm_sync_loop_insns.
4359 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4360 (movsfcc, movdfcc): Likewise.
4361 * config/arm/constraints.md (Ua): New.
4362 * config/arm/prediates.md (mem_noofs_operand): New.
4363 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4364 (sync_clobber, sync_t2_reqd): Remove.
4365 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4366 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4367 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4368 (arm_sync_compare_and_swap<SIDI>): Remove.
4369 (arm_sync_compare_and_swap<NARROW>): Remove.
4370 (arm_sync_lock_test_and_set<SIDI>): Remove.
4371 (arm_sync_lock_test_and_set<NARROW>): Remove.
4372 (arm_sync_new_<syncop><SIDI>): Remove.
4373 (arm_sync_new_<syncop><NARROW>): Remove.
4374 (arm_sync_new_nand<SIDI>): Remove.
4375 (arm_sync_new_nand<NARROW>): Remove.
4376 (arm_sync_old_<syncop><SIDI>): Remove.
4377 (arm_sync_old_<syncop><NARROW>): Remove.
4378 (arm_sync_old_nand<SIDI>): Remove.
4379 (arm_sync_old_nand<NARROW>): Remove.
4380 (*memory_barrier): Merge arm_output_memory_barrier.
4381 (atomic_compare_and_swap<QHSD>): New.
4382 (atomic_compare_and_swap<NARROW>_1): New.
4383 (atomic_compare_and_swap<SIDI>_1): New.
4384 (atomic_exchange<QHSD>): New.
4385 (cas_cmp_operand, cas_cmp_str): New.
4386 (atomic_op_operand, atomic_op_str): New.
4387 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4388 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4389 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4390 (arm_load_exclusive<NARROW>): New.
4391 (arm_load_exclusivesi, arm_load_exclusivedi): New.
4392 (arm_store_exclusive<QHSD>): New.
4394 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4396 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4397 reload patterns if -mvsx-scalar-memory.
4399 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4400 generated, even -mno-vsx-scalar-double was used.
4401 (vsx_xscvdpsp_scalar): Likewise.
4402 (vsx_xscvspdp_scalar2): Likewise.
4404 2012-01-09 Tom de Vries <tom@codesourcery.com>
4405 Andrew Pinski <apinski@cavium.com>
4408 * reorg.c (fill_slots_from_thread): Don't speculate
4409 frame-related insns.
4411 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4413 * sched-int.h (bb_note): Move to...
4414 * basic-block.h: ...here.
4415 * haifa-sched.c (bb_note): Move to...
4416 * cfgrtl.c: ...here.
4417 * function.c (next_block_for_reg): New function.
4418 (move_insn_for_shrink_wrap): Likewise.
4419 (prepare_shrink_wrap): Rewrite to use the above.
4421 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4423 * gimple.c (is_gimple_non_addressable): Remove.
4424 * gimple.h: Remove is_gimple_non_addressable.
4425 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4426 is_gimple_non_addressable.
4427 * trans-mem.c (expand_assign_tm): Same.
4429 2012-01-09 Richard Guenther <rguenther@suse.de>
4431 PR tree-optimization/51775
4432 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4433 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4435 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4437 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4439 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4441 2012-01-09 Richard Guenther <rguenther@suse.de>
4443 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4445 2012-01-08 Jan Hubicka <jh@suse.cz>
4447 PR tree-optimize/51680
4448 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4449 on when known_vals needs to be computed; cleanup.
4451 2012-01-08 Jan Hubicka <jh@suse.cz>
4453 PR tree-optimize/51694
4454 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4456 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4458 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4459 for -std=c++98 and -std=c++11 too.
4461 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4463 * cfgloop.c (cancel_loop): Add free() of bbs array.
4465 2012-01-07 Jan Hubicka <jh@suse.cz>
4467 PR tree-optimization/51600
4468 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4469 that benefits small functions.
4471 2012-01-07 Jan Hubicka <jh@suse.cz>
4473 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4475 2012-01-07 Jan Hubicka <jh@suse.cz>
4477 PR tree-optimization/51680
4478 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4479 whose inlining reduce unit size.
4481 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4484 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4485 Add canonical node to containing_mem chain after the non-canonical
4486 one, even if there weren't any locs to propagate.
4487 (remove_useless_values): Keep only canonical values.
4488 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4489 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4490 canonicalize mem_chain elements that are not discarded.
4492 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4495 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4496 before emitting functions.
4498 PR gcov-profile/50127
4499 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4500 clear_aux_for_blocks.
4502 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4505 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4507 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4509 * c-decl.c (ext_block): Moved up.
4510 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4512 2012-01-06 Han Shen <shenhan@google.com>
4514 Translate built-in include paths for sysroot.
4515 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4516 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4518 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4519 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4521 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4522 control whether sysroot should be prepended to gxx include dir.
4524 * configure: Regenerate.
4526 2012-01-06 Torvald Riegel <triegel@redhat.com>
4528 PR rtl-optimization/51771
4529 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4530 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4532 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4534 PR tree-optimization/51315
4535 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4536 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4538 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4541 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4542 for shrp pattern. Correctly handle and fixup shift variable.
4543 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4545 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4548 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4549 note when !ACCUMULATE_OUTGOING_ARGS.
4551 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4553 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4555 (extract_range_from_unary_expr_1): Avoid useless computations.
4557 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4559 PR rtl-optimization/51767
4560 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4561 of jump_block and add an extra edge for degenerated asm gotos.
4564 * stmt.c (check_unique_operand_names): Don't ICE during error
4565 reporting if i is from labels chain.
4568 * profile.c (branch_prob): Split bbs that have exit edge
4569 and need a fake entry edge too.
4571 2012-01-05 Jan Hubicka <jh@suse.cz>
4574 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4577 2012-01-05 Richard Guenther <rguenther@suse.de>
4580 * tree-streamer-out.c (write_ts_optimization): New function.
4581 (streamer_write_tree_body): Call it.
4582 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4583 (streamer_read_tree_body): Call it.
4584 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4586 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4589 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4590 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4591 in_cleanup_point_expr before gimplify_stmt call and restore it
4593 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4594 in_cleanup_point_expr is false.
4596 2012-01-05 Richard Guenther <rguenther@suse.de>
4599 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4601 * toplev.c (process_options): Reject combining mudflap and LTO.
4602 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4604 2012-01-05 Richard Guenther <rguenther@suse.de>
4606 PR tree-optimization/51760
4607 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4609 (bit_value_unop): Handle UNDEFINED operands.
4610 (bit_value_binop): Likewise.
4612 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4614 * config/avr/avr.c (avr_replace_prefix): Remove.
4615 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4616 (avr_asm_function_rodata_section): Ditto.
4617 (avr_asm_select_section): Ditto.
4619 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4621 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4624 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4627 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4628 calls that have any non-fake successor edges.
4631 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4633 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4635 PR tree-optimization/51624
4636 * tree-sra.c (build_ref_for_model): When replicating a chain of
4637 COMPONENT_REFs, stop as soon as the offset would become negative.
4639 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4642 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4643 in .debug_loc on the floor.
4645 2012-01-04 Andrew Pinski <apinski@cavium.com>
4647 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4649 2012-01-04 Andrew Pinski <apinski@cavium.com>
4650 Adam Nemet <anemet@caviumnetworks.com>
4652 * config/mips/mips.md (size): Add SI and DI.
4653 (SIZE): New mode attribute.
4654 (U): New code attribute.
4655 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4656 (mips_lbux_<mode>): Delete.
4657 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4658 (mips_lhx): Use gen_mips_lhx_extsi.
4659 (mips_lhx_<mode>): Delete.
4661 (mips_l<size>x): New expand.
4662 (mips_lwx_<mode>): Delete.
4663 (mips_l<GPR:size>x_<P:mode>): New pattern.
4664 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4665 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4666 * config/mips/mips.c (mips_lx_address_p): New function.
4667 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4668 (dsp64): New availability predicate.
4669 (mips_builtins): Add an entry for __builtin_mips_ldx.
4670 * config/mips/mips.h (ISA_HAS_LBX): New define.
4671 (ISA_HAS_LBUX): Likewise.
4672 (ISA_HAS_LHX): Likewise.
4673 (ISA_HAS_LHUX): Likewise.
4674 (ISA_HAS_LWX): Likewise.
4675 (ISA_HAS_LWUX): Likewise.
4676 (ISA_HAS_LDX): Likewise.
4677 * doc/extend.texi (__builtin_mips_ldx): Document.
4679 2012-01-04 Tristan Gingold <gingold@adacore.com>
4681 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4682 when long pointers are used.
4683 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4684 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4685 (ia64-hp-*vms*): Remove.
4686 * config/vms/xm-vms64.h: Delete.
4688 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4691 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4693 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4695 * opts.c (finish_options): Remove duplicate sorry.
4697 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4700 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4703 2012-01-04 Richard Guenther <rguenther@suse.de>
4706 * tree.c (size_low_cst): New function.
4707 * tree.h (size_low_cst): Declare.
4708 * fold-const.c (fold_comparison): Use it to extract the low
4709 part of the POINTER_PLUS_EXPR offset.
4711 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4713 Fix clearing ZERO_REG
4714 * config/avr/avr.md (cc): Add alternative "ldi".
4715 (movqi_insn): Use it in cc attribute.
4716 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4717 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4718 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4720 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4722 * configure: Regenerate.
4724 2012-01-04 Richard Guenther <rguenther@suse.de>
4726 PR tree-optimization/49651
4727 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4728 (var_can_have_subvars): Use it.
4729 (get_constraint_for_1): Only consider subfields if there can be any.
4731 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4734 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4735 to its new canonical_cselib_val and the cselib_val was in
4736 first_containing_mem chain, but the canonical_cselib_val was not,
4737 add the latter into the chain.
4738 (cselib_invalidate_mem): Compare canonical_cselib_val of
4739 addr_list chain elt with v.
4742 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4743 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4745 (output_macinfo_op): Don't ggc_strdup fd->filename.
4746 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4747 then ggc_strdup it. Don't free inc->info or cur->info.
4748 (output_macinfo): Don't free ref->info or file->info.
4750 2012-01-03 Ira Rosen <irar@il.ibm.com>
4752 PR tree-optimization/51269
4753 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4754 first_niters a pointer.
4755 (slpeel_tree_peel_loop_to_edge): Likewise.
4756 (vect_do_peeling_for_loop_bound): Update call to
4757 slpeel_tree_peel_loop_to_edge.
4758 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4759 here. Remove it from the parameters list.
4760 (vect_do_peeling_for_alignment): Update calls and compute
4763 2012-01-03 Richard Guenther <rguenther@suse.de>
4765 PR tree-optimization/51070
4766 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4767 Properly handle calls.
4769 2012-01-03 Richard Guenther <rguenther@suse.de>
4771 PR tree-optimization/51692
4772 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4773 the LHS of allocation stmts.
4775 2012-01-03 Olivier Hainque <hainque@adacore.com>
4777 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4779 2012-01-03 Olivier Hainque <hainque@adacore.com>
4781 * collect2.c (main): In AIX specific computations for vector
4782 insertions, use CONST_CAST2 to cast from char ** to const char **.
4784 2012-01-03 Richard Guenther <rguenther@suse.de>
4787 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4788 the context of a limbo DIE when it does not already exist.
4790 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4792 PR tree-optimization/51719
4793 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4794 but direct call is, clear direct call's lhs and don't add fallthrough
4795 edge from dcall_bb to join_bb and PHIs.
4797 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4799 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4800 the instructions emitted by the pattern.
4801 ("*TDC_insn_<mode>"): Add comment.
4803 2012-01-03 Richard Guenther <rguenther@suse.de>
4806 * fold-const.c (fold_comparison): Properly canonicalize
4807 tree offset and HOST_WIDE_INT bit position.
4809 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4811 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4812 operands for extzv pattern.
4814 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4817 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4820 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4822 * doc/invoke.texi (-flto and related options): Copy-edit.
4824 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4826 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4828 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4830 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4833 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4835 * expr.h (move_by_pieces_ninsns): Declare.
4836 * expr.c (move_by_pieces_ninsns): Make external.
4837 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4838 (mips_store_by_pieces_p): Likewise.
4839 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4840 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4841 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4842 (mips_store_by_pieces_p): Likewise.
4844 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4846 * passes.c (register_one_dump_file): Free full_name.
4848 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4849 (calculate_elim_costs_all_insns): Free offsets_at and
4850 offsets_known_at at the end and clear the pointers.
4852 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4854 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4855 this option introduced in r180739.
4857 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4860 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4861 (tmake_file target=avr): Add avr/t-multilib.
4863 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4864 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4865 * config/avr/genmultilib.awk: New file.
4866 * config/avr/t-multilib: New auto-generated file.
4867 * config/avr/multilib.h: New auto-generated file.
4868 * config/avr/t-avr (AVR_MCUS): New variable.
4869 (genopt.sh): Use it.
4870 (s-mlib): Depend on t-multilib.
4871 (t-multilib, multilib.h): New dependencies.
4872 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4873 (MULTILIB_OPTIONS): Remove.
4874 (MULTILIB_MATCHES): Remove.
4875 (MULTILIB_DIRNAMES): Remove.
4876 (MULTILIB_EXCEPTIONS): Remove:
4877 * config/avr/genopt.sh: Don't use hard coded file name;
4878 pass AVR_MCUS from t-avr instead.
4880 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4882 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4884 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4886 Implement light-weight DImode support.
4887 * config/avr/avr-dimode.md: New file.
4888 * config/avr/avr.md: Include it.
4889 (adjust_len): Add plus64, compare64.
4890 (HIDI): Remove code iterator.
4891 (code_stdname): New code attribute.
4892 (rotx, rotsmode): Remove DI.
4893 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4895 * config/avr/avr-protos.h (avr_have_dimode): New.
4896 (avr_out_plus64, avr_out_compare64): New.
4897 * config/avr/avr.c (avr_out_compare): Handle DImode.
4898 (avr_have_dimode): New variable definition and initialization.
4899 (avr_out_compare64, avr_out_plus64): New functions.
4900 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4901 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4902 (avr_compare_pattern): Skip DImode comparisons.
4904 2012-01-02 Revital Eres <revital.eres@linaro.org>
4906 * ddg.c (def_has_ccmode_p): New function.
4907 (add_cross_iteration_register_deps,
4908 create_ddg_dep_from_intra_loop_link): Call it.
4910 2012-01-02 Richard Guenther <rguenther@suse.de>
4913 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4915 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4917 * gcc.c (process_command): Update copyright notice dates.
4918 * gcov.c (print_version): Likewise.
4919 * gcov-dump.c (print_version): Likewise.
4920 * mips-tfile.c (main): Likewise.
4921 * mips-tdump.c (main): Likewise.
4923 2012-01-01 Ira Rosen <irar@il.ibm.com>
4925 PR tree-optimization/51704
4926 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4927 a use is inside the basic block or loop before accessing its vect info.
4929 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4931 PR rtl-optimization/51069
4932 * cfgloopmanip.c (remove_path): Removing path making irreducible
4933 region unconditional makes BB part of the region.
4935 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4937 PR tree-optimization/51683
4938 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4939 calls with side-effects.
4940 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4942 Copyright (C) 2012 Free Software Foundation, Inc.
4944 Copying and distribution of this file, with or without modification,
4945 are permitted in any medium without royalty provided the copyright
4946 notice and this notice are preserved.