1 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
3 * config.gcc: Error out when conflicting multilib is detected. Do not
4 loop over multilibs since no combination is legal.
6 2016-05-04 Alan Modra <amodra@gmail.com>
8 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
9 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
10 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
13 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
15 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
16 Clean up p5600 comments.
18 2016-05-04 Richard Biener <rguenther@suse.de>
20 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
21 constructor simplifications.
22 * fold-const.c (fold_ternary_loc): Remove duplicate functionality
25 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
27 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
28 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
29 result.set_rtx is null instead of aborting.
30 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
32 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
33 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
34 *mov<mode>_store_postinc): New patterns.
36 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
38 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
39 as commutative. Check both conversions are NOP.
40 ((A & B) OP (C & B)): Remove.
42 2016-05-04 Alan Modra <amodra@gmail.com>
44 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
46 2016-05-04 Alan Modra <amodra@gmail.com>
49 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
50 when cr2,3,4 are all fixed regs.
52 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
54 PR rtl-optimization/57193
55 * opts.c (default_options_table): Revert OPT_frename_registers change.
56 * doc/invoke.texi (-frename-registers, -O2): Likewise.
58 2016-05-03 Martin Sebor <msebor@redhat.com>
61 * builtins.c (fold_builtin_FILE): New function.
62 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
63 (fold_builtin_0): Call them.
64 * gimplify.c (gimplify_call_expr): Remove the handling of
65 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
68 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
69 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
73 * doc/extend.texi (Function Names as Strings): Update __func__,
74 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
77 2016-05-03 Jakub Jelinek <jakub@redhat.com>
78 Richard Biener <rguenther@suse.de>
80 PR tree-optimization/70916
81 * tree-if-conv.c: Include cfganal.h.
82 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
83 and remove_fake_exit_edges around the optimization pass.
85 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
87 * cgraph.c (symbol_table::create_edge): Set inline_failed.
88 (cgraph_edge::make_direct): Likewise.
89 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
90 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
91 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
92 (CIF_THUNK): New code.
93 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
94 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
95 (compute_inline_parameters): Set inline_failed for thunks.
96 (inline_analyze_function): Cleanup.
97 * ipa-inline.c (can_inline_edge_p): Do not deal with
98 call_stmt_cannot_inline_p.
99 (can_early_inline_edge_p): Likewise.
100 (early_inliner): Initialize inline_failed.
101 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
103 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
105 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
106 from nonimm_ssenomem_operand.
107 (nonimm_ssenomem_operand): New predicate.
108 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
109 as operand 0 predicate.
110 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
111 Disable unsupported alternatives using "enabled" attribute.
112 Use register_ssemem_operand as operand 0 predicate.
113 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
115 2016-05-03 Marek Polacek <polacek@redhat.com>
118 * input.c (expansion_point_location): New function.
119 * input.h (expansion_point_location): Declare.
121 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
123 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
124 occurence with frame_offset_ ones.
126 2016-05-03 Alan Modra <amodra@gmail.com>
128 PR rtl-optimization/70890
129 * ira.c (combine_and_move_insns): When moving def_insn, remove
132 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
134 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
135 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
136 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
137 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
139 2016-05-03 Alan Modra <amodra@gmail.com>
141 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
142 for SAVE_MULTIPLE/STORE_MULTIPLE.
144 2016-05-03 Jakub Jelinek <jakub@redhat.com>
146 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
147 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead
150 2016-05-03 Richard Biener <rguenther@suse.de>
152 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
154 (gimplify_arg): Likewise.
155 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
156 re-writing the result to a decl if required.
157 (internal_get_tmp_var): Add allow_ssa parameter
158 and override into_ssa with it.
159 (get_formal_tmp_var): Adjust.
160 (get_initialized_tmp_var): Add allow_ssa parameter.
161 (gimplify_arg): Add allow_ssa parameter and avoid generating
162 SSA names for the result false.
163 (gimplify_call_expr): If the call may return twice do not
164 gimplify parameters into SSA.
165 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
166 (gimplify_modify_expr): Adjust assert. For noreturn calls
167 with a SSA name LHS adjust its def.
168 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
169 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
170 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
171 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
172 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
173 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
174 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
175 (optimize_target_teams): Do not allow SSA names for clause operands.
176 (gimplify_expr): Likewise for where we mark the result addressable.
177 * passes.def (pass_init_datastructures): Remove.
178 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
179 (rewrite_stmt): Likewise.
180 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
181 (replace_locals_op): Replace SSA names.
182 (copy_gimple_seq_and_replace_locals): Init src_cfun.
183 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
184 * cgraph.c (release_function_body): Free CFG annotations only
185 when we have a CFG. Simplify.
186 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
187 force_gimple_operand instead of get_initialized_tmp_var.
188 * tree-pass.h (make_pass_init_datastructures): Remove.
189 * tree-ssa.c (execute_init_datastructures): Remove.
190 (pass_data_init_datastructures): Likewise.
191 (class pass_init_datastructures): Likewise.
192 (make_pass_init_datastructures): Likewise.
193 * omp-low.c (create_omp_child_function): Init SSA data structures.
194 (grid_expand_target_grid_body): Likewise.
195 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
196 name before adding it to names_to_release.
197 (remove_bb): Always release SSA defs.
198 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
199 before dereferencing it.
200 * cgraphunit.c (init_lowered_empty_function): Always
201 int SSA data structures.
202 * tree-ssanames.c (release_defs): Remove assert that we are in
204 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
206 2016-05-03 Jakub Jelinek <jakub@redhat.com>
207 Uros Bizjak <ubizjak@gmail.com>
209 PR rtl-optimization/70467
210 * config/i386/predicates.md (x86_64_hilo_int_operand,
211 x86_64_hilo_general_operand): New predicates.
212 * config/i386/constraints.md (Wd): New constraint.
213 * config/i386/i386.md (mode attr di): Use Wd instead of e.
214 (general_hilo_operand): New mode attr.
215 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
216 instead of <general_operand>.
217 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
218 x86_64_hilo_general_operand instead of <general_operand>.
220 2016-05-03 Jakub Jelinek <jakub@redhat.com>
222 PR tree-optimization/70916
223 * tree-if-conv.c (constant_or_ssa_name): Removed.
224 (fold_build_cond_expr): Use is_gimple_val instead of
225 constant_or_ssa_name.
227 PR tree-optimization/70916
228 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
229 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
232 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
233 (optimize_atomic_bit_test_and): New function.
234 (pass_fold_builtins::execute): Use it.
235 * optabs.def (atomic_bit_test_and_set_optab,
236 atomic_bit_test_and_complement_optab,
237 atomic_bit_test_and_reset_optab): New optabs.
238 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
239 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
240 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
241 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
242 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
243 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
244 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
245 * doc/md.texi (atomic_bit_test_and_set@var{mode},
246 atomic_bit_test_and_complement@var{mode},
247 atomic_bit_test_and_reset@var{mode}): Document.
248 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
249 atomic_bit_test_and_complement<mode>,
250 atomic_bit_test_and_reset<mode>): New expanders.
251 (atomic_bit_test_and_set<mode>_1,
252 atomic_bit_test_and_complement<mode>_1,
253 atomic_bit_test_and_reset<mode>_1): New insns.
255 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
257 PR rtl-optimization/70687
258 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
259 instead of unsigned HOST_WIDE_INT.
261 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
263 PR rtl-optimization/44281
264 * hard-reg-set.h (struct target_hard_regs): New field
265 x_fixed_nonglobal_reg_set.
266 (fixed_nonglobal_reg_set): New macro.
267 * reginfo.c (init_reg_sets_1): Initialize it.
268 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
270 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
272 2016-05-03 Bin Cheng <bin.cheng@arm.com>
274 PR tree-optimization/56541
275 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
276 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
277 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
278 (any_complicated_phi): new static variable.
279 (aggressive_if_conv): delete.
280 (if_convertible_phi_p): support phis with more than two arguments.
281 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
283 (ifcvt_split_critical_edges): support phis with more than two
284 arguments by checking new parameter. only split critical edges
286 (tree_if_conversion): handle simd pragma marked loop using new
287 local variable aggressive_if_conv. check any_complicated_phi.
289 2016-05-03 Bin Cheng <bin.cheng@arm.com>
291 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
294 2016-05-03 Bin Cheng <bin.cheng@arm.com>
296 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
299 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
301 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
302 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
303 define_insn_and_split.
304 (mulsi3_i): New define_insn_and_split.
305 (mulsi3_call): Convert to define_insn.
306 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
309 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
311 * machmode.h (mode_complex): Add support to give the complex mode
313 (GET_MODE_COMPLEX_MODE): Likewise.
314 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
315 stored by build_complex_type and gfc_build_complex_type instead of
316 trying to figure out the appropriate mode based on the size. Raise
317 an assertion error, if the type was not set.
318 * genmodes.c (struct mode_data): Add field for the complex type of
320 (blank_mode): Likewise.
321 (make_complex_modes): Remember the complex mode created in the
323 (emit_mode_complex): Write out the mode_complex array to map a
324 type mode to the complex version.
325 (emit_insn_modes_c): Likewise.
326 * tree.c (build_complex_type): Set the complex type to use before
328 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
329 support for __float128 complex datatypes.
330 (rs6000_hard_regno_mode_ok): Likewise.
331 (rs6000_setup_reg_addr_masks): Likewise.
332 (rs6000_complex_function_value): Likewise.
333 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
334 __float128 and __ibm128 complex.
335 (FLOAT128_IBM_P): Likewise.
336 (ALTIVEC_ARG_MAX_RETURN): Likewise.
337 * doc/extend.texi (Additional Floating Types): Document that
338 -mfloat128 must be used to enable __float128. Document complex
339 __float128 and __ibm128 support.
341 2016-05-02 Jakub Jelinek <jakub@redhat.com>
344 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
345 char/short arguments promoted to int because of promote_prototypes.
347 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
349 * config/i386/predicates.md (register_ssemem_operand): New predicate.
350 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
351 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
352 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
353 alternatives using "enabled" attribute. Use register_ssemem_operand
354 as operand 1 predicate.
355 (*cmpi<unord>xf_i387): Split XFmode pattern from
356 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
357 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
358 *absneg<mode>2_i387. Disable unsupported alternatives using
360 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
362 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
364 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
366 (oacc_loop_process): Check mask for loop termination.
368 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
370 * cif-code.def (CIF_THUNK): Add.
371 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
374 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
376 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
377 (dump_inline_summary): Dump it.
378 (fp_expression_p): New predicate.
379 (estimate_function_body_sizes): Use it.
380 (inline_merge_summary): Merge fp_expressions.
381 (inline_read_section): Read fp_expressions.
382 (inline_write_summary): Write fp_expressions.
383 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
384 codegen boundary if either caller or callee is !fp_expressions.
385 * ipa-inline.h (inline_summary): Add fp_expressions.
386 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
387 to fp_expressions be sure the fp generation flags are updated.
389 2016-05-02 Jakub Jelinek <jakub@redhat.com>
391 PR rtl-optimization/70467
392 * cse.c (cse_insn): Handle no-op MEM moves after folding.
394 PR rtl-optimization/70467
395 * ipa-pure-const.c (check_call): Handle internal calls even in
396 ipa mode like in local mode.
398 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
400 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
402 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
404 * match.pd (X u< X, X u> X): New transformations.
406 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
408 * flag-types.h (enum warn_strict_overflow_code): Move ...
409 * coretypes.h: ... here.
410 * fold-const.h (fold_overflow_warning): Declare.
411 * fold-const.c (fold_overflow_warning): Make non-static.
412 (fold_comparison): Move the transformation of X +- C1 CMP C2
413 into X CMP C2 -+ C1 ...
414 * match.pd: ... here.
415 * gimple-fold.c (fold_stmt_1): Protect with
416 fold_defer_overflow_warnings.
418 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
420 * omp-low.c (struct oacc_loop): Add 'inner' field.
421 (new_oacc_loop_raw): Initialize it to zero.
422 (oacc_loop_fixed_partitions): Initialize it.
423 (oacc_loop_auto_partitions): Partition outermost loop to outermost
424 available partitioning.
426 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
428 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
430 (umulsidi3): Likewise.
431 (indirect_jump): Fix jump instruction assembly patterns.
433 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
436 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
437 (nvptx_function_value): Assert non-NULL cfun.
439 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
441 PR rtl-optimization/70886
442 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
444 * cselib.h (rtx_equal_for_cselib_1): Declare.
445 (rtx_equal_for_cselib_p: New inline function.
446 * cselib.c (rtx_equal_for_cselib_p): Delete.
447 (rtx_equal_for_cselib_1): Make public.
449 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
451 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
452 (register_mixssei387nonimm_operand): Remove predicate.
453 * config/i386/i386.md (*fop_<mode>_comm): Merge from
454 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
455 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
456 for TARGET_MIX_SSE_I387 alternatives.
457 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
458 Disable unsupported alternatives using "enabled" attribute. Use
459 nonimm_ssenomem_operand as operand 1 predicate. Also check
460 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
462 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
464 * tree.c (cst_and_fits_in_hwi): Simplify.
466 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
468 * tree.h (wi::to_wide): New function.
469 * expr.c (expand_expr_real_1): Use wi::to_wide.
470 * fold-const.c (int_const_binop_1): Likewise.
471 (extract_muldiv_1): Likewise.
473 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
475 * wide-int.h: Update offset_int and widest_int documentation.
476 (WI_SIGNED_SHIFT_RESULT): New macro.
477 (wi::binary_shift): Define signed_shift_result_type for
478 shifts on offset_int- and widest_int-like types.
479 (generic_wide_int): Support <<= and >>= if << and >> are supported.
480 * tree.h (int_bit_position): Use shift operators instead of wi::
482 * alias.c (adjust_offset_for_component_ref): Likewise.
483 * expr.c (get_inner_reference): Likewise.
484 * fold-const.c (fold_comparison): Likewise.
485 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
486 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
487 * tree-dfa.c (get_ref_base_and_extent): Likewise.
488 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
489 (stmt_kills_ref_p): Likewise.
490 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
491 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
492 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
493 (ao_ref_init_from_vn_reference): Likewise.
495 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
497 * wide-int.h: Update offset_int and widest_int documentation.
498 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
499 (wi::binary_traits): Allow ordered comparisons between offset_int and
500 offset_int, between widest_int and widest_int, and between either
501 of these types and basic C types.
502 (operator <, <=, >, >=): Define for the same combinations.
503 * tree.h (tree_int_cst_lt): Use comparison operators instead
505 (tree_int_cst_le): Likewise.
506 * gimple-fold.c (fold_array_ctor_reference): Likewise.
507 (fold_nonarray_ctor_reference): Likewise.
508 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
509 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
510 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
511 * tree-sra.c (completely_scalarize): Likewise.
512 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
513 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
514 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
515 (check_for_binary_op_overflow): Likewise.
516 (search_for_addr_array): Likewise.
517 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
519 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
521 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
522 (arc_save_restore): Likewise.
523 (arc_dwarf_register_span): Likewise.
524 (arc_output_pic_addr_const): Initialize suffix variable.
526 2016-05-02 Martin Liska <mliska@suse.cz>
528 * symbol-summary.h (function_summary::function_summary):
529 Remove checking assert for all cgraph nodes.
530 (function_summary::get): Check summary_uid.
531 (symtab_insertion): Check summary_uid.
533 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
535 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
536 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
538 (arc_dwarf_register_span): Remove enum keyword.
539 (compact_memory_operand_p): New function.
540 * config/arc/arc.h (reg_class): Add code density register classes.
541 (REG_CLASS_NAMES): Likewise.
542 (REG_CLASS_CONTENTS): Likewise.
543 * config/arc/arc.md (*movqi_insn): Add code density instructions.
544 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
545 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
546 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
547 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
549 (h, Rcd, Rsd, Rzd): New register constraints.
550 (T): Use compact_memory_operand_p function.
551 * config/arc/predicates.md (compact_load_memory_operand): Remove.
553 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
555 * config/sh/sh.md (*negnegt, *movtt): Remove.
557 2016-05-02 Marek Polacek <polacek@redhat.com>
558 Tom de Vries <tom@codesourcery.com>
560 PR tree-optimization/70700
561 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
562 bigger than FIRST_REF_NODE.
564 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
567 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
569 (prepare_cbranch_operands): Don't use scratch register. Assume that
570 function is used when pseudos can be created.
571 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
572 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
573 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
574 define_expand. Allow it only when pseudos can be created.
575 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
577 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
579 * config/i386/constraints.md (BC): Only allow -1 operands.
580 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
581 Add "enabled" attribute. Update XI mode attribute calculation.
582 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
583 (*movoi_internal_avx): Update XI mode attribute calculation.
584 (*movti_internal): Ditto.
586 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
588 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
589 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
591 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
593 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
594 statement on instruction code. Remove trailing spaces.
595 (altivec_expand_stv_builtin): Likewise.
597 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
599 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
600 (TARGET_FPU_DOUBLE): Simplify.
601 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
602 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
603 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
604 with 'TARGET_FPU_DOUBLE'.
605 * config/sh/sh.md: Likewise.
607 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
609 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
610 SH_DIV_STR_FOR_SIZE): Remove.
611 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
612 SH_DIV_STR_FOR_SIZE): Remove.
614 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
616 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
617 logical_reg_operand): Delete.
618 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
619 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
620 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
621 match_operand and match_test.
622 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
623 variables on their first use. Return bool values.
624 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
625 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
626 arith_reg_operand for input operand. Remove empty constraints.
628 (*xorsi3_compact): Rename to xorsi3.
629 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
630 (*zero_extend<mode>si2_disp_mem): Update comment.
633 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
635 * config/sh/t-sh: Remove SH5 support.
636 * config.gcc: Likewise.
637 * configure: Likewise.
639 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
641 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
643 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
645 * config/sh/sh.c (register_sh_passes, sh_option_override,
646 sh_print_operand, prepare_move_operands,
647 sh_can_follow_jump): Remove TARGET_SH1 checks.
648 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
649 PROMOTE_MODE): Likewise.
650 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
653 2016-04-30 Alan Modra <amodra@gmail.com>
655 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
656 restoring when fixed_reg_p, but allow out-of-line or stmw save.
657 Check for user regs later to avoid unnecessary looping over regs.
658 Merge user reg check with non-saved reg check. Don't force
659 inline VR restore when static chain used.
660 (rs6000_frame_related): Omit eh_frame info for user regs when
662 (fixed_regs_p): Delete.
664 2016-04-30 Alan Modra <amodra@gmail.com>
666 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
667 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
670 2016-04-30 Alan Modra <amodra@gmail.com>
673 * config/rs6000/rs6000.c (fixed_reg_p): New function.
674 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
677 2016-04-30 Alan Modra <amodra@gmail.com>
679 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
680 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
681 flag_pic test for Darwin.
683 2016-04-30 Alan Modra <amodra@gmail.com>
685 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
687 (REG_FREQ_CALLS_CROSSED): Delete.
688 (REG_N_THROWING_CALLS_CROSSED): Delete.
689 * regstat.c (regstat_bb_compute_ri): Don't calculate
690 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
691 (dump_reg_info): Don't print call cross frequency.
692 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
693 and REG_N_THROWING_CALLS_CROSSED.
695 2016-04-30 Alan Modra <amodra@gmail.com>
697 * regs.h (struct reg_info_t): Delete live_length.
698 (REG_LIVE_LENGTH): Delete macro.
699 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
700 local_live, local_processed and local_live_last_luid params.
701 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
703 (regstat_compute_ri): Adjust for above. Don't set
705 (dump_reg_info): Don't print live length.
706 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
707 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
708 Localize loop_depth var.
710 2016-04-30 Alan Modra <amodra@gmail.com>
712 * ira.c (enum valid_equiv): New.
713 (validate_equiv_mem): Return enum.
714 (update_equiv_mem): Create replacement in more cases.
715 (add_store_equivs): Update validate_equiv_mem call.
717 2016-04-30 Alan Modra <amodra@gmail.com>
719 * ira.c (combine_and_move_insns): Rather than scanning insns,
720 use DF infrastucture to find use and def insns.
722 2016-04-30 Alan Modra <amodra@gmail.com>
724 ira.c (combine_and_move_insns): Move invariant conditions..
725 (ira.c): ..to here. Call combine_and_move_insns before
726 add_store_equivs. Call grow_reg_equivs later. Allocate
727 req_equiv later using max_reg_num() rather than global max_regno.
728 (contains_replace_regs): Delete.
729 (add_store_equivs): Remove contains_replace_regs test.
731 2016-04-30 Alan Modra <amodra@gmail.com>
733 * ira.c (struct equiv_mem_data): New.
734 (equiv_mem, equiv_mem_modified): Delete static vars.
735 (validate_equiv_mem_from_store): Use "data" param to communicate..
736 (validate_equiv_mem): ..from here.
738 2016-04-30 Alan Modra <amodra@gmail.com>
740 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
742 (update_reg_equivs): ..here. Move allocation and freeing of
743 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
744 end_alias_analysis to..
747 2016-04-30 Alan Modra <amodra@gmail.com>
749 * ira.c (pdx_subregs): Delete.
750 (struct equivalence): Add pdx_subregs field.
751 (set_paradoxical_subreg): Remove pdx_subregs param. Update
753 (update_equiv_regs): Don't create or free pdx_subregs. Update
756 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
758 * config/rs6000/altivec.h: Change definitions of vec_xl and
760 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
761 (LD_ELEMREV_V2DI): New.
762 (LD_ELEMREV_V4SF): New.
763 (LD_ELEMREV_V4SI): New.
764 (LD_ELEMREV_V8HI): New.
765 (LD_ELEMREV_V16QI): New.
766 (ST_ELEMREV_V2DF): New.
767 (ST_ELEMREV_V2DI): New.
768 (ST_ELEMREV_V4SF): New.
769 (ST_ELEMREV_V4SI): New.
770 (ST_ELEMREV_V8HI): New.
771 (ST_ELEMREV_V16QI): New.
774 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
775 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
776 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
777 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
778 (altivec_expand_builtin): Add handling for
779 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
780 (rs6000_invalid_builtin): Add error-checking for
781 RS6000_BTM_P9_VECTOR.
782 (altivec_init_builtins): Define builtins used to implement vec_xl
784 (rs6000_builtin_mask_names): Define power9-vector.
785 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
786 (RS6000_BTM_P9_VECTOR): Define.
787 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
788 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
789 (vsx_ld_elemrev_v2df): Likewise.
790 (vsx_ld_elemrev_v4sf): Likewise.
791 (vsx_ld_elemrev_v4si): Likewise.
792 (vsx_ld_elemrev_v8hi): Likewise.
793 (vsx_ld_elemrev_v16qi): Likewise.
794 (vsx_st_elemrev_v2df): Likewise.
795 (vsx_st_elemrev_v2di): Likewise.
796 (vsx_st_elemrev_v4sf): Likewise.
797 (vsx_st_elemrev_v4si): Likewise.
798 (vsx_st_elemrev_v8hi): Likewise.
799 (vsx_st_elemrev_v16qi): Likewise.
800 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
803 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
805 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
807 (simplify_control_stmt_condition_1): ... here. Recurse into
808 BIT_AND_EXPRs and BIT_IOR_EXPRs.
810 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
813 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
814 (zero_extendqi<mode>2_dot): Revert earlier conversion from
815 define_insn_and_split to define_insn.
816 (zero_extendqi<mode>2_dot2): Same.
817 (extendqi<mode>2_dot): Same.
818 (extendqi<mode>2_dot2): Same.
820 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
822 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
823 (probe_stack): New expander.
824 (probe_stack_<mode>): New insn pattern.
826 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
828 * config/i386/i386.md
829 (operations with memory inputs setting flags peephole2):
830 Remove uneeded REG_P checks. Cleanup pattern generation.
832 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
834 * tree-vect-loop.c (vect_transform_loop): Fix
835 nb_iterations_upper_bound computation for vectorized loop.
837 2016-04-29 Marek Polacek <polacek@redhat.com>
838 Jakub Jelinek <jakub@redhat.com>
841 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
842 TARGET_EXPR_SLOT as a base.
844 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
846 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
847 with 'rCm2' constraints to limit possible immediate size.
848 (*load_zeroextendqisi_update): Likewise.
849 (*load_signextendqisi_update): Likewise.
850 (*loadhi_update): Likewise.
851 (*load_zeroextendhisi_update): Likewise.
852 (*load_signextendhisi_update): Likewise.
853 (*loadsi_update): Likewise.
854 (*loadsf_update): Likewise.
856 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
858 * config/i386/predicates.md (constm1_operand): Fix comparison.
860 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
862 * testsuite/gcc.target/arc/ieee_eq.c: New test.
864 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
866 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
867 remaining SH5 related settings.
868 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
869 shmedia_prepare_call_address): Delete.
870 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
871 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
872 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
873 UNSUPPORTED_SH2A): Remove m5 checks.
874 (sh_divide_strategy_e): Remove SH5 division strategies.
875 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
876 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
878 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
880 * config/s390/s390.c (s390_rtx_costs): Update documentation.
882 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
884 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
885 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
887 * config/s390/vector.md ("mov<mode>"): Likewise.
889 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
891 * config/s390/constraints.md ("U", "W"): Invoke
892 s390_mem_constraint with "ZR" and "ZT".
893 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
894 addresses when using LRA. Accept also short displacements for S
895 and T constraints. Do not check for long displacement target for
897 (s390_mem_constraint): Remove handling of U and W constraints.
898 * config/s390/s390.md (various patterns): Remove the short
899 displacement constraints (Q and R) if a long displacement
900 constraint is present. Add longdisp as required CPU capability.
901 * config/s390/vector.md: Likewise.
902 * config/s390/vx-builtins.md: Likewise.
904 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
907 * reload1.c (reload): Call finish_spills before
908 restarting reload loop. Skip select_reload_regs
909 if update_eliminables_and_spill returns true.
911 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
913 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
914 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
915 (umulhisi3_imm): Update predicates and constraint letters.
916 (umulhisi3_reg): Declare instruction as commutative.
917 * config/arc/constraints.md (J12, J16): New constraints.
918 * config/arc/predicates.md (short_unsigned_const_operand): New
920 (arc_short_operand): Likewise.
921 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
923 2016-04-29 Richard Biener <rguenther@suse.de>
925 PR tree-optimization/13962
926 PR tree-optimization/65686
927 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
928 * tree-ssa-alias.c (ptrs_compare_unequal): New function
929 using PTA to compare pointers.
930 * match.pd: Add pattern for pointer equality compare simplification
931 using ptrs_compare_unequal.
933 2016-04-29 Richard Biener <rguenther@suse.de>
935 * stor-layout.c (layout_type): Do not build a pointer-to-element
938 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
940 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
941 Use SWI mode iterator. Use general_reg_operand predicate.
942 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
943 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
946 2016-04-29 Jakub Jelinek <jakub@redhat.com>
949 * fold-const.c (operand_equal_p): Don't verify hash value equality
951 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
954 2016-04-28 Jakub Jelinek <jakub@redhat.com>
957 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
958 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
959 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
960 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
961 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
963 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
965 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
966 to info. Don't initialize separate fields to 0. Clean up
969 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
971 * config/i386/i386.md (peephole2s for operations with memory inputs):
972 Use SWI mode iterator.
973 (peephole2s for operations with memory outputs): Ditto.
974 Do not check for stack checking probe.
976 (probe_stack): Remove expander.
978 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
979 Andrew Burgess <andrew.burgess@embecosm.com>
981 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
984 2016-04-28 Jason Merrill <jason@redhat.com>
986 * gdbinit.in: Skip line-map.h.
988 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
989 Andrew Burgess <andrew.burgess@embecosm.com>
991 * config/arc/arc.c (arc_conditional_register_usage): Take
992 TARGET_RRQ_CLASS into account.
993 (arc_print_operand): Support printing 'p' and 's' operands.
994 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
996 (TARGET_RRQ_CLASS): Define.
997 (IS_POWEROF2_OR_0_P): Define.
998 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
1000 (*tst_movb): New define_insn.
1001 (*tst): Avoid recognition if it could prevent '*tst_movb'
1002 combination; replace c/CnL with c/Chs alternative.
1003 (*tst_bitfield_tst): New define_insn.
1004 (*tst_bitfield_asr): New define_insn.
1005 (*tst_bitfield): New define_insn.
1006 (andsi3_i): Add Rrq variant.
1007 (extzv): New define_expand.
1008 (insv): New define_expand.
1009 (*insv_i): New define_insn.
1010 (*movb): New define_insn.
1011 (*movb_signed): New define_insn.
1012 (*movb_high): New define_insn.
1013 (*movb_high_signed): New define_insn.
1014 (*movb_high_signed + 1): New define_split pattern.
1015 (*mrgb): New define_insn.
1016 (*mrgb + 1): New define_peephole2 pattern.
1017 (*mrgb + 2): New define_peephole2 pattern.
1018 * config/arc/arc.opt (mbitops): New option for nps400, uses
1019 TARGET_NPS_BITOPS_DEFAULT.
1020 * config/arc/constraints.md (q): Make register class conditional.
1021 (Rrq): New register constraint.
1022 (Chs): New constraint.
1023 (Clo): New constraint.
1024 (Chi): New constraint.
1025 (Cbf): New constraint.
1026 (Cbn): New constraint.
1027 (C18): New constraint.
1028 (Cbi): New constraint.
1030 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
1032 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
1034 (bitmap_intersection_of_preds): Ditto.
1035 (bitmap_union_of_succs): Ditto.
1036 (bitmap_union_of_preds): Ditto.
1037 * sbitmap.c (do_popcount): Delete.
1038 (BITMAP_DEBUGGING): Delete.
1039 (sbitmap_verify_popcount): Delete.
1040 (sbitmap_alloc): Don't initialize the popcount field.
1041 (sbitmap_alloc_with_popcount): Delete.
1042 (sbitmap_resize): Don't resize the popcount array.
1043 (sbitmap_vector_alloc): Don't initialize the popcount field.
1044 (bitmap_copy): Don't copy the popcount array.
1045 (bitmap_clear): Don't clear the popcount array.
1046 (bitmap_clear): Delete the popcount array handling.
1047 (bitmap_ior_and_compl): Delete the popcount assert.
1048 (bitmap_not): Ditto.
1049 (bitmap_and_compl): Ditto.
1050 (bitmap_and): Delete the popcount array handling.
1051 (bitmap_xor): Ditto.
1052 (bitmap_ior): Ditto.
1053 (bitmap_or_and): Delete the popcount assert.
1054 (bitmap_and_or): Ditto.
1055 (popcount_table): Delete.
1056 (sbitmap_elt_popcount): Delete.
1057 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
1058 (bitmap_set_bit): Delete the popcount assert.
1059 (bitmap_clear_bit): Ditto.
1060 (sbitmap_free): Don't free the popcount array.
1061 (sbitmap_alloc_with_popcount): Delete declaration.
1062 (sbitmap_popcount): Ditto.
1064 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
1065 Andrew Burgess <andrew.burgess@embecosm.com>
1067 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
1068 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
1069 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
1070 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
1071 * config/arc/arc.opt (mcmem): New option.
1072 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
1073 supply length for r/m alternative.
1074 (*extendqisi2_ac): Likewise.
1075 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
1077 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
1078 (movhi_insn): Likewise.
1079 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
1080 (*zero_extendqihi2_i): Add r/Ucm alternative.
1081 (*zero_extendqisi2_ac): Likewise.
1082 (*zero_extendhisi2_i): Likewise.
1083 * config/arc/constraints.md (Uex): New memory constraint.
1084 (Ucm): New define_constraint.
1085 * config/arc/predicates.md (long_immediate_loadstore_operand):
1086 Return 0 for MEM with cmem_address address.
1087 (cmem_address_0): New predicates.
1088 (cmem_address_1): Likewise.
1089 (cmem_address_2): Likewise.
1090 (cmem_address): Likewise.
1092 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
1094 * config/rs6000/rs6000.c (machine_function): Rename
1095 insn_chain_scanned_p to spe_insn_chain_scanned_p.
1096 (rs6000_stack_info): Adjust.
1098 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
1099 Andrew Burgess <andrew.burgess@embecosm.com>
1101 * config/arc/constraints.md (Usd): Convert to define_constraint.
1105 2016-04-28 Jakub Jelinek <jakub@redhat.com>
1108 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
1109 Add new peephole2 where the first insn is *mov<mode>_or instead of
1110 *mov<mode>_internal.
1112 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
1114 * tracer.c (bb_seen): Make static.
1116 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
1118 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
1119 support, setup defaults.
1120 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
1121 * config/arc/arc.c (arc_init): Add NPS400 support.
1122 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
1123 (TARGET_ARC700): NPS400 is also an ARC700.
1124 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
1126 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
1129 * config/nds32/nds32.md (casesi): Don't access the operands array
1132 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
1134 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
1135 (or $-1,reg peephole2): Ditto.
1136 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
1138 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
1140 * doc/extend.texi (Common Function Attributes) [optimize]:
1141 Discourage use of the optimize attribute.
1143 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
1145 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
1146 special case builtin.
1147 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1148 ALTIVEC_BUILTIN_VEC_ADDE.
1149 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1150 support for ALTIVEC_BUILTIN_VEC_ADDE.
1151 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1152 for __builtin_vec_adde.
1154 2016-04-28 Jakub Jelinek <jakub@redhat.com>
1156 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
1157 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
1159 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1162 * doc/sourcebuild.texi (Effective-Target Keywords, Other
1163 attributes): Document cilkplus_runtime.
1165 2016-04-28 Martin Jambor <mjambor@suse.cz>
1167 * tree-cfg.c (verify_expr): Verify that local declarations belong to
1168 this function. Call verify_expr on MEM_REFs and bases of other
1171 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1173 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
1174 for WORD_REGISTER_OPERATIONS to runtime check.
1176 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1178 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
1180 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1182 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
1183 big-endian compilation.
1184 * config/arc/arc.md (addf3): Likewise.
1188 2016-04-28 Richard Biener <rguenther@suse.de>
1190 PR tree-optimization/70840
1191 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
1192 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
1193 Mark x * pow(x,c) -> pow(x,c+1) commutative.
1194 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
1196 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1198 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
1199 and explain why in a comment.
1201 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1203 * config/arc/arc.md (cpu_facility): Add fpx variant.
1204 (subdf3): Prohibit use reverse sub when assist operations option
1206 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
1207 instructions only when FPX is enabled.
1208 * testsuite/gcc.target/arc/trsub.c: New test.
1210 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
1212 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
1213 mult_operator when calculating "type" attribute.
1214 (*fop_<mode>_1_i387): Ditto.
1215 (*fop_xf_1_i387): Ditto.
1216 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
1217 Use std::swap to swap operands. Use RTL expressions to generate
1220 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1221 Joern Rennecke <joern.rennecke@embecosm.com>
1223 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
1225 (emit_pic_move): Remove.
1226 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
1227 * config/arc/arc.c (emit_pic_move): Removed.
1228 (TARGET_HAVE_TLS): Define.
1229 (arc_conditional_register_usage): Test for arc_tp_regno.
1230 (arc_print_operand, arc_print_operand_address): Handle TLS
1232 (arc_needs_pcl_p): New function.
1233 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
1234 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
1235 (arc_raw_symbolic_reference_mentioned_p): Likewise.
1236 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
1237 (arc_legitimize_tls_address): Likewise.
1238 (DTPOFF_ZERO_SYM): Define.
1239 (arc_legitimize_pic_address): Make it static, handle TLS cases.
1240 (arc_output_pic_addr_const): Print TLS unspecs.
1241 (prepare_pic_move): New function, replaces emit_pic_move.
1242 (arc_legitimate_constant_p): Handle TLS unspecs.
1243 (arc_legitimate_address_p): Likewise.
1244 (arc_rewrite_small_data_p): Use assert for TLS constants.
1245 (prepare_move_operands): Use prepare_pic_move.
1246 (arc_legitimize_address): Legitimize tls addresses.
1247 (arc_epilogue_uses): Check for arc_tp_regno.
1248 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
1249 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
1251 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
1253 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
1254 %(arc_tls_extra_start_spec).
1255 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
1256 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
1258 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
1259 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
1260 (UNSPEC_TLS_OFF): Add.
1262 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
1263 (get_thread_pointersi): New patterns.
1264 * config/arc/arc.opt (mtp-regno): New option.
1265 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
1266 (move_dest_operand): Likewise.
1267 * configure: Regenerate.
1268 * configure.ac: Add arc*-*-* case to test for tls.
1269 * doc/invoke.texi (ARC options): Document mtp-regno.
1271 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1273 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
1274 the new ARC HS SIMD instructions.
1275 (arc_preferred_simd_mode): New function.
1276 (arc_autovectorize_vector_sizes): Likewise.
1277 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
1278 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
1279 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
1280 (arc_init_builtins): Add new SIMD builtin types.
1281 (arc_split_move): Handle 64 bit vector moves.
1282 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
1283 (TARGET_PLUS_QMACW): Define.
1284 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
1285 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
1286 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
1287 (VSUBADD4H): New builtins.
1288 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
1289 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
1291 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
1292 Matthias Klose <doko@debian.org>
1294 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
1296 2016-04-28 Richard Biener <rguenther@suse.de>
1299 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
1302 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
1304 * common/config/sh/sh-common.c: Remove SH5 support.
1305 * config/sh/constraints.md: Likewise.
1306 * config/sh/config/sh/elf.h: Likewise.
1307 * config/sh/linux.h: Likewise.
1308 * config/sh/netbsd-elf.h: Likewise.
1309 * config/sh/predicates.md: Likewise.
1310 * config/sh/sh-c.c: Likewise.
1311 * config/sh/sh-protos.h: Likewise.
1312 * config/sh/sh.c: Likewise.
1313 * config/sh/sh.h: Likewise.
1314 * config/sh/sh.md: Likewise.
1315 * config/sh/sh.opt: Likewise.
1316 * config/sh/sync.md: Likewise.
1317 * config/sh/sh64.h: Delete.
1318 * config/sh/shmedia.h: Likewise.
1319 * config/sh/shmedia.md: Likewise.
1320 * config/sh/sshmedia.h: Likewise.
1321 * config/sh/t-netbsd-sh5-64: Likewise.
1322 * config/sh/t-sh64: Likewise.
1323 * config/sh/ushmedia.h: Likewise.
1325 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
1327 * config/i386/i386.md (sign_extend to memory peephole2s): Use
1328 general_reg_operand instead of register_operand predicate.
1330 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1332 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
1334 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
1336 * match.pd (A - B > A, A + B < A): New transformations.
1338 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
1340 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
1341 which defaults to true. Emit an outer pair of parentheses only if
1342 EMIT_PARENS. When continuing a chain of && or || (or & or |),
1343 don't emit parentheses for the right-hand operand.
1345 2016-04-27 Jeff Law <law@redhat.com>
1347 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
1349 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1351 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
1352 (altivec_lvx_<mode>_internal): Document.
1353 (altivec_lvx_<mode>_2op): New define_insn.
1354 (altivec_lvx_<mode>_1op): Likewise.
1355 (altivec_lvx_<mode>_2op_si): Likewise.
1356 (altivec_lvx_<mode>_1op_si): Likewise.
1357 (altivec_stvx_<mode>): Remove.
1358 (altivec_stvx_<mode>_internal): Document.
1359 (altivec_stvx_<mode>_2op): New define_insn.
1360 (altivec_stvx_<mode>_1op): Likewise.
1361 (altivec_stvx_<mode>_2op_si): Likewise.
1362 (altivec_stvx_<mode>_1op_si): Likewise.
1363 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1364 Expand vec_ld and vec_st during parsing.
1365 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
1367 (altivec_expand_stvx_be): Likewise.
1368 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
1369 address-masking behavior in RTL.
1370 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
1371 address-masking behavior in RTL.
1372 (altivec_expand_builtin): Change builtin code arguments for calls
1373 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
1374 (insn_is_swappable_p): Avoid incorrect swap optimization in the
1375 presence of lvx/stvx patterns.
1376 (alignment_with_canonical_addr): New function.
1377 (alignment_mask): Likewise.
1378 (find_alignment_op): Likewise.
1379 (recombine_lvx_pattern): Likewise.
1380 (recombine_stvx_pattern): Likewise.
1381 (recombine_lvx_stvx_patterns): Likewise.
1382 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
1383 stvx patterns from expand.
1384 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
1386 (vector_altivec_store_<mode>): Likewise.
1388 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
1390 * config/aarch64/aarch64.md
1391 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
1392 remove the "fp" attributes.
1393 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
1394 add the "simd" attributes.
1395 (*movdf_aarch64): Likewise.
1396 (*movtf_aarch64): Remove the "fp" attributes.
1397 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
1398 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
1400 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1402 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
1403 rtx to rtx_code_label *.
1404 * rtl.h (maybe_set_first_label_num): Likewise.
1406 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1408 * df-core.c (df_add_problem): Make the problem param be const.
1409 (df_remove_problem): Make local "problem" be const.
1410 * df-problems.c (problem_RD): Make const.
1411 (problem_LR): Likewise.
1412 (problem_LIVE): Likewise.
1413 (problem_MIR): Likewise.
1414 (problem_CHAIN): Likewise.
1415 (problem_WORD_LR): Likewise.
1416 (problem_NOTE): Likewise.
1417 (problem_MD): Likewise.
1418 * df-scan.c (problem_SCAN): Likewise.
1419 * df.h (struct df_problem): Make field "dependent_problem" be
1421 (struct dataflow): Likewise for field "problem".
1422 (df_add_problem): Make param const.
1424 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
1426 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
1427 inter-unit moves to/from vector registers are enabled. Do not disable
1430 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1432 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
1433 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
1435 (enum df_problem_id): ...this new enum.
1436 (struct df_problem): Convert field "id" from "int" to
1439 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1441 * rtl.def: Update comment for "things in the instruction chain" to
1442 reflect the removal of the leading "i" field for INSN_UID in
1443 r210360. Fix bogus apostrophe.
1445 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
1447 * config/i386/i386.md
1448 (lea arith with mem operand + setcc peephole2): Set operator mode.
1450 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
1453 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
1454 (dimode_scalar_to_vector_candidate_p): This.
1455 (timode_scalar_to_vector_candidate_p): New function.
1456 (scalar_to_vector_candidate_p): Likewise.
1457 (timode_check_non_convertible_regs): Likewise.
1458 (timode_remove_non_convertible_regs): Likewise.
1459 (remove_non_convertible_regs): Likewise.
1460 (remove_non_convertible_regs): Renamed to ...
1461 (dimode_remove_non_convertible_regs): This.
1462 (scalar_chain::~scalar_chain): Make it virtual.
1463 (scalar_chain::compute_convert_gain): Make it pure virtual.
1464 (scalar_chain::mark_dual_mode_def): Likewise.
1465 (scalar_chain::convert_insn): Likewise.
1466 (scalar_chain::convert_registers): Likewise.
1467 (scalar_chain::add_to_queue): Make it protected.
1468 (scalar_chain::emit_conversion_insns): Likewise.
1469 (scalar_chain::replace_with_subreg): Likewise.
1470 (scalar_chain::replace_with_subreg_in_insn): Likewise.
1471 (scalar_chain::convert_op): Likewise.
1472 (scalar_chain::convert_reg): Likewise.
1473 (scalar_chain::make_vector_copies): Likewise.
1474 (scalar_chain::convert_registers): New pure virtual function.
1475 (class dimode_scalar_chain): New class.
1476 (class timode_scalar_chain): Likewise.
1477 (scalar_chain::mark_dual_mode_def): Renamed to ...
1478 (dimode_scalar_chain::mark_dual_mode_def): This.
1479 (timode_scalar_chain::mark_dual_mode_def): New function.
1480 (timode_scalar_chain::convert_insn): Likewise.
1481 (dimode_scalar_chain::convert_registers): Likewise.
1482 (scalar_chain::compute_convert_gain): Renamed to ...
1483 (dimode_scalar_chain::compute_convert_gain): This.
1484 (scalar_chain::replace_with_subreg): Renamed to ...
1485 (dimode_scalar_chain::replace_with_subreg): This.
1486 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
1487 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
1488 (scalar_chain::make_vector_copies): Renamed to ...
1489 (dimode_scalar_chain::make_vector_copies): This.
1490 (scalar_chain::convert_reg): Renamed to ...
1491 (dimode_scalar_chain::convert_reg ): This.
1492 (scalar_chain::convert_op): Renamed to ...
1493 (dimode_scalar_chain::convert_op): This.
1494 (scalar_chain::convert_insn): Renamed to ...
1495 (dimode_scalar_chain::convert_insn): This.
1496 (scalar_chain::convert): Call convert_registers.
1497 (convert_scalars_to_vector): Change to scalar_chain pointer to
1498 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
1499 in 32-bit mode. Delete scalar_chain pointer. Call
1500 free_dominance_info in 64-bit mode.
1501 (pass_stv::gate): Remove TARGET_64BIT check.
1502 (ix86_option_override): Put the 64-bit STV pass before the CSE
1505 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
1507 * dwarf2out.h (struct dw_loc_descr_node): Remove the
1508 dw_loc_frame_offset field.
1509 * dwarf2out.c (new_loc_descr): Likewise.
1510 (resolve_args_picking_1): Turn the VISITED hash set into a
1511 FRAME_OFFSET hash map. Use it to associate a frame offset to
1512 visited nodes. Remove uses of the CHECKING_P macro.
1513 (resolve_args_picking): Update call to resolve_args_picking_1.
1515 2016-04-27 Martin Liska <mliska@suse.cz>
1517 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
1518 (free_loop_data): Release vuses of groups.
1520 2016-04-27 Bin Cheng <bin.cheng@arm.com>
1522 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
1523 instead of redundant use_id and boolean have_use_for.
1524 (struct iv_use): Change sub_id into group_id. Remove field next.
1525 Move fields: related_cands, n_map_members, cost_map and selected
1527 (struct iv_group): ... here. New structure.
1528 (struct iv_common_cand): Use structure declaration directly.
1529 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
1530 (MAX_CONSIDERED_USES): Rename macro to ...
1531 (MAX_CONSIDERED_GROUPS): ... here.
1532 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
1533 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
1534 (dump_uses): Rename to ...
1535 (dump_groups): ... here. Update all uses.
1536 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
1537 (find_induction_variables): Refactor format of dump information.
1538 (record_sub_use): Delete.
1539 (record_use): Update all uses.
1540 (record_group): New function.
1541 (record_group_use, find_interesting_uses_op): Call above functions.
1543 (find_interesting_uses_cond): Ditto.
1544 (group_compare_offset): New function.
1545 (split_all_small_groups): Rename to ...
1546 (split_small_address_groups_p): ... here. Update all uses.
1547 (split_address_groups): Update all uses.
1548 (find_interesting_uses): Refactor format of dump information.
1549 (add_candidate_1): Update all uses. Remove redundant check on iv,
1551 (add_candidate, record_common_cand): Remove redundant assert.
1552 (add_iv_candidate_for_biv): Update use.
1553 (add_iv_candidate_derived_from_uses): Update all uses.
1554 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
1555 (alloc_use_cost_map): Ditto.
1556 (set_use_iv_cost, get_use_iv_cost): Rename to ...
1557 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
1558 (determine_use_iv_cost_generic): Ditto.
1559 (determine_group_iv_cost_generic): Ditto.
1560 (determine_use_iv_cost_address): Ditto.
1561 (determine_group_iv_cost_address): Ditto.
1562 (determine_use_iv_cost_condition): Ditto.
1563 (determine_group_iv_cost_cond): Ditto.
1564 (determine_use_iv_cost): Ditto.
1565 (determine_group_iv_cost): Ditto.
1566 (set_autoinc_for_original_candidates): Update all uses.
1567 (find_iv_candidates): Update all uses. Refactor dump information.
1568 (determine_use_iv_costs): Ditto.
1569 (determine_iv_costs): Ditto.
1570 (iv_ca_cand_for_use): Rename to ...
1571 (iv_ca_cand_for_group): ... here. Update all uses.
1572 (iv_ca_add_use, iv_ca_add_group): Ditto.
1573 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
1574 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
1575 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
1576 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
1577 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
1578 (create_new_iv, adjust_iv_update_pos): Ditto.
1579 (rewrite_use_address): Delete.
1580 (rewrite_use_address_1): Rename to ...
1581 (rewrite_use_address): ... here.
1582 (rewrite_use_compare): Update all uses.
1583 (rewrite_use): Delete.
1584 (rewrite_uses): Rename to ...
1585 (rewrite_groups): ... here. Update all uses.
1586 (remove_unused_ivs, free_loop_data): Update all uses.
1587 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
1589 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1591 * rtlanal.c (nonzero_bits1): Convert preprocessor check
1592 for WORD_REGISTER_OPERATIONS to runtime check.
1594 2016-04-27 Richard Biener <rguenther@suse.de>
1597 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1598 aggregate_value_p to determine if a function result is
1599 returned by reference.
1600 (ipa_pta_execute): Functions having their address taken are
1601 not automatically nonlocal.
1603 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1606 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1607 * fold-const.c (operand_equal_p): If flag_checking and
1608 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1609 and if it returns non-zero, assert iterative_hash_expr on both
1612 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1614 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1616 2016-04-27 Nick Clifton <nickc@redhat.com>
1619 * varasm.c (merge_weak): Generate an error if an attempt is made
1620 to convert a non-weak static function into a weak, public function.
1622 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1624 * params.def (MAX_PARTITION_SIZE): New param.
1625 * doc/invoke.texi: Document lto-max-partition.
1627 2016-04-27 Richard Biener <rguenther@suse.de>
1630 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1631 function cummulating used_from_other_partition, externally_visible
1632 and force_output from aliases.
1633 (refered_from_nonlocal_var): Likewise.
1634 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1635 node flags properly.
1637 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1639 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1640 (-Wmemset-elt-size): New item.
1642 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
1645 * stor-layout.h (internal_reference_types): Delete.
1646 * stor-layout.c (reference_types_internal): Likewise.
1647 (internal_reference_types): Likewise.
1648 (layout_type) <REFERENCE_TYPE>: Adjust.
1650 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1653 * tree.h (inchash::add_expr): Add FLAGS argument.
1654 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
1655 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
1656 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1657 Formatting fix. Adjust recursive calls. For tcc_comparison,
1658 if swap_tree_comparison (code) is smaller than code, hash that
1659 and arguments in the other order. Hash CONVERT_EXPR the same
1660 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1661 of ADDR_EXPR of decl as the decl itself. Add or remove
1662 OEP_ADDRESS_OF from recursive flags as needed. For
1663 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1664 operands commutatively and only the third one normally.
1665 For internal CALL_EXPR hash in CALL_EXPR_IFN.
1667 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
1669 * config/rtems.h (LIB_SPEC): Add -latomic.
1671 2016-04-27 Joel Sherrill <joel@rtems.org>
1673 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1674 xilink.ld and flags not relevant to RTEMS.
1676 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
1678 * toplev.c (backend_init_target): Avoid calling init_reload when using
1681 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1683 * reorg.c (try_merge_delay_insns): Declare i and j inside the
1684 for loops rather than one for the whole function.
1686 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1688 * match.pd (X + CST CMP X): New transformation.
1690 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1692 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1693 * fold-const.c (fold_binary_loc): Remove 2 transformations
1694 superseded by match.pd.
1695 * match.pd (x+x -> x*2): Generalize to integers.
1697 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
1699 * config/i386/i386.md (operation on memory peephole): Duplicate an
1700 existing peephole and adapt it to match lea rather than an operation
1703 PR rtl-optimization/57193
1704 * opts.c (default_options_table): Add OPT_frename_registers at -O2
1706 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1708 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1710 * tree-if-conv.c (any_pred_load_store): New static variable.
1711 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
1712 any_pred_load_store instead of and_mask_load_store.
1713 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1714 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1715 (combine_blocks, tree_if_conversion): Ditto.
1717 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1719 PR tree-optimization/70771
1720 PR tree-optimization/70775
1721 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1722 virtual PHI nodes. Delete parameter.
1723 (if_convertible_loop_p_1): Delete argument to above function.
1724 (predicate_all_scalar_phis): Delete code handling single-argument
1726 (tree_if_conversion): Mark and update virtual SSA.
1728 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1731 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1732 (x86_elf_aligned_common): Rename to ...
1733 (x86_elf_aligned_decl_common): ... this.
1734 Add decl arg. Switch to .lbss for largecomm object. Use
1735 LARGECOMM_SECTION_ASM_OP.
1736 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1738 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1739 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1741 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1742 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1744 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1747 * config/i386/i386.c (SECTION_LARGE): Define.
1748 (x86_64_elf_select_section): Set it for large data/bss sections.
1749 Only clear SECTION_WRITE for .lrodata.
1750 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1752 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1753 * varasm.c (default_elf_asm_named_section): Grow flagchars.
1754 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1756 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1757 * doc/tm.texi: Regenerate.
1759 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1762 * configure.ac (--enable-checking): Document extra flag, for
1763 non-release builds default to --enable-checking=yes,extra.
1764 If misc checking and extra checking, define CHECKING_P to 2 instead
1766 * common.opt (fchecking=): Add.
1767 * doc/invoke.texi (-fchecking=): Document.
1768 * doc/install.texi: Document --enable-checking changes.
1769 * configure: Regenerated.
1770 * config.in: Regenerated.
1772 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1774 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1775 attribute instead of which_alternative.
1776 * config/i386/sse.md (*mov<mode>_internal): Ditto.
1777 Use EXT_REX_SSE_REG_P where appropriate.
1779 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1781 * config/i386/predicates.md (const0_operand): Do not match
1782 const_wide_int code.
1783 (const1_operand): Ditto.
1785 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1787 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1788 for SSE constm1 operands and TARGET_AVX512VL.
1789 (*movti_internal): Ditto.
1790 (*mov<mode>_or): Use constm1_operand predicate.
1791 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1792 for SSE vector_all_ones operands and TARGET_AVX512VL.
1793 * config/i386/predicates.md (constm1_operand): New predicate.
1794 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1795 emission of constant -1 load.
1797 2016-04-25 Jason Merrill <jason@redhat.com>
1799 * gdbinit.in: Skip is-a.h.
1801 * attribs.c (register_scoped_attributes): Fix logic.
1802 * attribs.h: Declare register_scoped_attributes.
1804 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1806 * config/rs6000/rs6000-builtin.def: Correct pasto error for
1807 stxvd2x and stxvw4x built-in functions.
1809 2016-04-25 DJ Delorie <dj@redhat.com>
1811 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1812 (ashrhi3): Likewise.
1813 (lshrhi3): Likewise.
1815 2016-04-25 Richard Biener <rguenther@suse.de>
1817 PR tree-optimization/70780
1818 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1820 (compute_antic): Mark blocks with abnormal preds as visited as
1821 they have a final empty antic-in solution already.
1823 2016-04-25 Michael Collison <michael.collison@linaro.org>
1825 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1827 2016-04-25 Michael Collison <michael.collison@linaro.org>
1829 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1830 mode is VQI to improve mixed mode vectorization.
1831 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1832 define_insn to match low half of signed vaddw.
1833 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1834 define_insn to match high half of signed vaddw.
1835 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1836 define_insn to match low half of unsigned vaddw.
1837 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1838 define_insn to match high half of unsigned vaddw.
1839 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1840 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1841 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1843 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1844 * config/arm/predicates.md (vect_par_constant_high): Support
1845 big endian and simplify by calling
1846 arm_simd_check_vect_par_cnst_half
1847 (vect_par_constant_low): Likewise.
1849 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1851 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1852 predicate for operand 2.
1854 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
1855 H.J. Lu <hongjiu.lu@intel.com>
1857 * config/i386/i386-protos.h (standard_sse_constant_p): Add
1858 machine_mode argument.
1859 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1860 constm1_rtx operands. For VOIDmode constants, get mode from
1861 pred_mode. Check mode size if the mode is supported by ABI.
1862 (standard_sse_constant_opcode): Do not use standard_constant_p.
1863 Strictly check ABI support for all-ones operands.
1864 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1865 immediates. Update calls to standard_sse_constant_p.
1866 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1867 (ix86_rtx_costs): Ditto.
1868 * config/i386/i386.md (*movxi_internal_avx512f): Use
1869 nonimmediate_or_sse_const_operand instead of vector_move_operand.
1870 Use (v,BC) alternative instead of (v,C). Use register_operand
1871 checks instead of MEM_P.
1872 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1873 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
1874 isa attribute. Use register_operand checks instead of MEM_P.
1875 (*movti_internal): Use nonimmediate_or_sse_const_operand for
1876 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
1877 alternative and corresponding sse2 isa attribute.
1878 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1879 to standard_sse_constant_p.
1880 (FP constant splitters): Ditto.
1881 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1883 * config/i386/predicates.md (constm1_operand): Remove.
1884 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1885 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1886 vector_all_ones_operand instead of constm1_operand.
1888 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1890 * print-rtl.c (print_rtx_insn_vec): New function.
1891 * print-rtl.h: New prototype.
1892 * store-motion.c (struct st_expr): Make avail_stores a vector.
1893 (st_expr_entry): Adjust.
1894 (free_st_expr_entry): Likewise.
1895 (print_store_motion_mems): Likewise.
1896 (find_moveable_store): Likewise.
1897 (compute_store_table): Likewise.
1898 (delete_store): Likewise.
1899 (build_store_vectors): Likewise.
1901 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1903 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1905 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1907 * vec.h (vec_safe_contains): New function.
1908 (vec::contains): Likewise.
1909 (vec::begin): Likewise.
1910 (vec::end): Likewise.
1912 2016-04-23 Jakub Jelinek <jakub@redhat.com>
1915 * cfgexpand.c (expand_stack_vars): Fix typo.
1917 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1919 * system.h (list, map, set, vector): Include conditionally.
1920 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1921 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1922 * ipa-icf.c (INCLUDE_LIST): Define.
1923 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1924 * config/sh/sh.c (INCLUDE_VECTOR): Define.
1925 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1926 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1927 * cp/logic.cc (INCLUDE_LIST): Define.
1928 * fortran/trans-common.c (INCLUDE_MAP): Define.
1930 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1932 * auto-profile.c: Remove <string.h> include.
1933 * ipa-icf-gimple.c: Remove <list> include.
1934 * diagnostic.c: Remove <new> include.
1935 * genmatch.c: Likewise.
1936 * pretty-print.c: Likewise.
1937 * toplev.c: Likewise
1938 * c/c-objc-common.c: Likewise.
1939 * cp/error.c: Likewise.
1940 * fortran/error.c: Likewise.
1942 2016-04-22 Richard Biener <rguenther@suse.de>
1944 * lto-streamer-in.c (input_ssa_names): Do not allocate
1945 GIMPLE_NOP for all SSA names.
1946 * lto-streamer-out.c (output_ssa_names): Do not output
1947 SSA names that should have been released.
1949 2016-04-22 Richard Biener <rguenther@suse.de>
1951 PR tree-optimization/70740
1952 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1955 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
1958 * config/i386/predicates.md (call_insn_operand): Replace
1959 sibcall_memory_operand with memory_operand.
1961 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1963 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1964 has_single_use() tests.
1965 (register_edge_assert_for_1): Likewise.
1966 (find_assert_locations_1): Check the liveness bitmap instead of
1967 checking has_single_use().
1969 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
1972 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1973 Extract AVX-512BW constraint from AVX.
1975 2016-04-21 Richard Biener <rguenther@suse.de>
1977 PR tree-optimization/70725
1978 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1979 for phi_convertible_by_degenerating_args.
1980 (predicate_all_scalar_phis): Handle single-argument PHIs.
1982 2016-04-21 Richard Biener <rguenther@suse.de>
1985 * fold-const.c (fold_comparison): Return properly typed
1988 2016-04-21 Bin Cheng <bin.cheng@arm.com>
1990 PR tree-optimization/70715
1991 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1992 after expanding BASE using expand_simple_operations.
1994 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1996 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1997 New transformations.
1999 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
2001 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
2003 2016-04-20 Jan Hubicka <jh@suse.cz>
2005 * ipa-inline.c (can_inline_edge_p): Pass caller info to
2006 ultiimate_alias_target.
2007 (update_callee_keys): Likewise.
2008 (lookup_recursive_calls): Likewise.
2009 (speculation_useful_p): Likewise.
2011 2016-04-20 Jan Hubicka <jh@suse.cz>
2014 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
2015 (set_nothrow_flag_1): ... this; handle interposition correctly;
2016 recurse on aliases and thunks.
2017 (cgraph_node::set_nothrow_flag): New.
2018 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
2019 functions compiled with non-call exceptions that binds to current
2021 (propagate_nothrow): Be safe WRT interposition.
2022 * cgraph.h (set_nothrow_flag): Update prototype.
2024 2016-04-18 Jan Hubicka <jh@suse.cz>
2026 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2027 max_loop_iterations_int.
2028 (tree_unswitch_outer_loop): Likewise.
2030 2016-04-20 Bin Cheng <bin.cheng@arm.com>
2032 PR tree-optimization/69489
2033 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
2034 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
2035 Revise dump message.
2036 (if_convertible_bb_p): Remove check on edge count of basic block's
2039 2016-04-20 Bin Cheng <bin.cheng@arm.com>
2041 PR tree-optimization/56625
2042 PR tree-optimization/69489
2043 * tree-data-ref.h (DR_INNERMOST): New macro.
2044 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
2045 hashing struct innermost_loop_behavior.
2046 (ref_DR_map): Remove.
2047 (innermost_DR_map): New map.
2048 (baseref_DR_map): Revise comment.
2049 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
2050 to innermost_DR_map accroding to its innermost loop behavior.
2051 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
2052 to its innermost loop behavior.
2053 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
2054 Add initialization for innermost_DR_map. Record memory reference
2055 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
2056 have innermost loop behavior.
2057 (if_convertible_loop_p): Remove release for ref_DR_map. Release
2060 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
2062 * config/i386/i386.md (*lea<mode>_general_1): Rename from
2063 *lea_general_1. Use explicit SWI12 mode interator.
2064 (*lea<mode>_general_2): Rename from *lea_general_2.
2065 Use explicit SWI12 mode interator.
2066 (*lea<mode>_general_3): Rename from *lea_general_3.
2067 Use explicit SWI12 mode interator.
2068 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
2069 Use explicit SWI12 mode interator.
2070 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
2071 Use explicit SWI48 mode interator.
2073 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
2075 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
2076 Short-cut unaligned load and store cases. Handle all integer
2078 (ix86_expand_vector_move_misalign): Short-cut unaligned load
2079 and store cases. Call ix86_avx256_split_vector_move_misalign
2080 directly without checking mode class.
2082 2016-04-20 Andrew Pinski <apinski@cavium.com>
2083 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2086 * config/aarch64/aarch64.md (sibcall): Force call
2087 address to be DImode for ILP32.
2088 (sibcall_value): Likewise.
2090 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
2092 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
2094 2016-04-20 Richard Biener <rguenther@suse.de>
2096 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
2097 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
2098 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
2099 (maybe_push_res_to_seq): Adjust.
2100 * gimple-fold.c (maybe_build_generic_op): Likewise.
2102 2016-04-20 Marek Polacek <polacek@redhat.com>
2104 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
2107 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
2109 * config/i386/sse.md (vec_unpacks_lo_hi): Always
2110 use kmovw to support AVX512F target.
2112 2016-04-20 Bin Cheng <bin.cheng@arm.com>
2114 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
2116 2016-04-20 Marek Polacek <polacek@redhat.com>
2118 PR tree-optimization/70725
2119 * tree-if-conv.c (is_false_predicate): New function.
2120 (predicate_mem_writes): Use it.
2122 2016-04-20 Richard Biener <rguenther@suse.de>
2124 PR tree-optimization/70726
2125 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
2126 shift amounts from a pattern stmt operand.
2128 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2131 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
2132 stack_restore_from_fpr pattern when restoring r15.
2133 (s390_optimize_prologue): Strip away the memory barrier in the
2134 parallel when trying to get rid of restore insns.
2135 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
2136 definition for loading the stack pointer from an FPR. Compared to
2137 the normal move insn this pattern includes a full memory barrier.
2139 2016-04-19 Jakub Jelinek <jakub@redhat.com>
2142 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
2143 implicitly linear or lastprivate iterator on the outer context.
2145 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
2147 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
2149 * config/i386/i386.md (ssememalign): Removed.
2150 * config/i386/sse.md: Remove ssememalign attribute from patterns.
2152 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
2155 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
2156 const short * to __builtin_ia32_loaddquhi512_mask.
2157 (_mm512_maskz_loadu_epi16): Likewise.
2158 (_mm512_mask_storeu_epi16): Pass short * to
2159 __builtin_ia32_storedquhi512_mask.
2160 (_mm512_mask_loadu_epi8): Pass const char * to
2161 __builtin_ia32_loaddquqi512_mask.
2162 (_mm512_maskz_loadu_epi8): Likewise.
2163 (_mm512_mask_storeu_epi8): Pass char * to
2164 __builtin_ia32_storedquqi512_mask.
2165 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
2166 const double * to __builtin_ia32_loadupd512_mask.
2167 (_mm512_mask_loadu_pd): Likewise.
2168 (_mm512_maskz_loadu_pd): Likewise.
2169 (_mm512_storeu_pd): Pass double * to
2170 __builtin_ia32_storeupd512_mask.
2171 (_mm512_mask_storeu_pd): Likewise.
2172 (_mm512_loadu_ps): Pass const float * to
2173 __builtin_ia32_loadups512_mask.
2174 (_mm512_mask_loadu_ps): Likewise.
2175 (_mm512_maskz_loadu_ps): Likewise.
2176 (_mm512_storeu_ps): Pass float * to
2177 __builtin_ia32_storeups512_mask.
2178 (_mm512_mask_storeu_ps): Likewise.
2179 (_mm512_mask_loadu_epi64): Pass const long long * to
2180 __builtin_ia32_loaddqudi512_mask.
2181 (_mm512_maskz_loadu_epi64): Likewise.
2182 (_mm512_mask_storeu_epi64): Pass long long *
2183 to __builtin_ia32_storedqudi512_mask.
2184 (_mm512_loadu_si512): Pass const int * to
2185 __builtin_ia32_loaddqusi512_mask.
2186 (_mm512_mask_loadu_epi32): Likewise.
2187 (_mm512_maskz_loadu_epi32): Likewise.
2188 (_mm512_storeu_si512): Pass int * to
2189 __builtin_ia32_storedqusi512_mask.
2190 (_mm512_mask_storeu_epi32): Likewise.
2191 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
2192 char * to __builtin_ia32_storedquqi256_mask.
2193 (_mm_mask_storeu_epi8): Likewise.
2194 (_mm256_mask_loadu_epi16): Pass const short * to
2195 __builtin_ia32_loaddquhi256_mask.
2196 (_mm256_maskz_loadu_epi16): Likewise.
2197 (_mm_mask_loadu_epi16): Pass const short * to
2198 __builtin_ia32_loaddquhi128_mask.
2199 (_mm_maskz_loadu_epi16): Likewise.
2200 (_mm256_mask_loadu_epi8): Pass const char * to
2201 __builtin_ia32_loaddquqi256_mask.
2202 (_mm256_maskz_loadu_epi8): Likewise.
2203 (_mm_mask_loadu_epi8): Pass const char * to
2204 __builtin_ia32_loaddquqi128_mask.
2205 (_mm_maskz_loadu_epi8): Likewise.
2206 (_mm256_mask_storeu_epi16): Pass short * to.
2207 __builtin_ia32_storedquhi256_mask.
2208 (_mm_mask_storeu_epi16): Pass short * to.
2209 __builtin_ia32_storedquhi128_mask.
2210 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
2211 const double * to __builtin_ia32_loadupd256_mask.
2212 (_mm256_maskz_loadu_pd): Likewise.
2213 (_mm_mask_loadu_pd): Pass onst double * to
2214 __builtin_ia32_loadupd128_mask.
2215 (_mm_maskz_loadu_pd): Likewise.
2216 (_mm256_mask_storeu_pd): Pass double * to
2217 __builtin_ia32_storeupd256_mask.
2218 (_mm_mask_storeu_pd): Pass double * to
2219 __builtin_ia32_storeupd128_mask.
2220 (_mm256_mask_loadu_ps): Pass const float * to
2221 __builtin_ia32_loadups256_mask.
2222 (_mm256_maskz_loadu_ps): Likewise.
2223 (_mm_mask_loadu_ps): Pass const float * to
2224 __builtin_ia32_loadups128_mask.
2225 (_mm_maskz_loadu_ps): Likewise.
2226 (_mm256_mask_storeu_ps): Pass float * to
2227 __builtin_ia32_storeups256_mask.
2228 (_mm_mask_storeu_ps): ass float * to
2229 __builtin_ia32_storeups128_mask.
2230 (_mm256_mask_loadu_epi64): Pass const long long * to
2231 __builtin_ia32_loaddqudi256_mask.
2232 (_mm256_maskz_loadu_epi64): Likewise.
2233 (_mm_mask_loadu_epi64): Pass const long long * to
2234 __builtin_ia32_loaddqudi128_mask.
2235 (_mm_maskz_loadu_epi64): Likewise.
2236 (_mm256_mask_storeu_epi64): Pass long long * to
2237 __builtin_ia32_storedqudi256_mask.
2238 (_mm_mask_storeu_epi64): Pass long long * to
2239 __builtin_ia32_storedqudi128_mask.
2240 (_mm256_mask_loadu_epi32): Pass const int * to
2241 __builtin_ia32_loaddqusi256_mask.
2242 (_mm256_maskz_loadu_epi32): Likewise.
2243 (_mm_mask_loadu_epi32): Pass const int * to
2244 __builtin_ia32_loaddqusi128_mask.
2245 (_mm_maskz_loadu_epi32): Likewise.
2246 (_mm256_mask_storeu_epi32): Pass int * to
2247 __builtin_ia32_storedqusi256_mask.
2248 (_mm_mask_storeu_epi32): Pass int * to
2249 __builtin_ia32_storedqusi128_mask.
2250 * config/i386/i386-builtin-types.def (PCSHORT): New.
2252 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
2253 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
2254 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
2255 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
2256 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
2257 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
2258 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
2259 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
2260 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
2261 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
2262 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
2263 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
2264 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
2265 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
2266 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
2267 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
2268 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
2269 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
2270 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
2271 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
2272 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
2273 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
2274 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
2275 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
2276 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
2277 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
2278 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
2279 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
2280 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
2281 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
2282 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
2283 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
2284 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
2285 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
2286 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
2287 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
2288 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
2289 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
2290 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
2291 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
2292 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
2293 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
2294 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
2295 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
2296 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
2297 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
2298 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
2299 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
2300 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
2302 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
2303 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
2305 (ix86_expand_vector_move_misalign): Likewise.
2306 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
2307 to scalar function prototype for unaligned load/store builtins.
2308 (ix86_expand_special_args_builtin): Updated.
2309 * config/i386/sse.md (UNSPEC_LOADU): Removed.
2310 (UNSPEC_STOREU): Likewise.
2311 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
2312 (VI_ULOADSTORE_F_AVX512VL): Likewise.
2313 (ssescalarsize): Handle V4TI, V2TI and V1TI.
2314 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2315 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2316 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
2317 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
2318 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
2319 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
2320 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
2321 (<avx512>_storedqu<mode>_mask): Likewise.
2322 (*sse4_2_pcmpestr_unaligned): Likewise.
2323 (*sse4_2_pcmpistr_unaligned): Likewise.
2324 (*mov<mode>_internal): Renamed to ...
2325 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
2326 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
2327 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
2328 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
2330 2016-04-19 Richard Biener <rguenther@suse.de>
2332 PR tree-optimization/70171
2333 * tree-ssa-phiprop.c: Include stor-layout.h.
2334 (phiprop_insert_phi): Handle the aggregate copy case.
2335 (propagate_with_phi): Likewise.
2337 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
2339 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
2340 instead of simplify_gen_subreg (... , 0).
2341 (ix86_delegitimize_address): Ditto.
2342 (ix86_split_divmod): Ditto.
2343 (ix86_split_copysign_const): Ditto.
2344 (ix86_split_copysign_var): Ditto.
2345 (ix86_expand_args_builtin): Ditto.
2346 (ix86_expand_round_builtin): Ditto.
2347 (ix86_expand_special_args_builtin): Ditto.
2348 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
2349 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
2350 (udivmodqi4): Ditto.
2351 (absneg splitters): Ditto.
2352 (*jcc_bt<mode>_1): Ditto.
2354 2016-04-19 Richard Biener <rguenther@suse.de>
2356 PR tree-optimization/70724
2357 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
2358 restoring out from ...
2359 (free_scc_vn): ... here.
2360 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
2361 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
2363 (pass_fre::execute): Restore SSA info.
2365 2016-04-19 Richard Biener <rguenther@suse.de>
2367 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
2368 * gimple-walk.c (walk_gimple_op): Initialize it.
2369 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
2370 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
2371 remapping SSA names of defs.
2372 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
2375 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
2378 * lra-constraints.c (equiv_substition_p): New.
2379 (process_alt_operands): Use it.
2380 (swap_operands): Swap it.
2381 (curr_insn_transform): Update it.
2383 2016-04-18 Michael Matz <matz@suse.de>
2385 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
2386 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
2387 * tree-core.h (tree_type_common.align): Use bit-field.
2388 (tree_type_common.spare): New.
2389 (tree_decl_common.off_align): Make smaller.
2390 (tree_decl_common.align): Use bit-field.
2392 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
2393 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
2394 (scan_sharing_clauses): Ditto.
2395 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2396 (omp_finish_file): Ditto.
2397 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
2398 (layout_decl): Ditto.
2399 (relayout_decl): Ditto.
2400 (finalize_record_size): Use SET_TYPE_ALIGN.
2401 (finalize_type_size): Ditto.
2402 (finish_builtin_struct): Ditto.
2403 (layout_type): Ditto.
2404 (initialize_sizetypes): Ditto.
2405 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
2406 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
2407 (lookup_field_for_decl): Use SET_DECL_ALIGN.
2408 (get_chain_field): Ditto.
2409 (get_trampoline_type): Ditto.
2410 (get_nl_goto_field): Ditto.
2411 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2413 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
2414 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
2415 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2416 (build_qualified_type): Use SET_TYPE_ALIGN.
2417 (build_aligned_type, build_range_type_1): Ditto.
2418 (build_atomic_base): Ditto.
2419 (build_common_tree_nodes): Ditto.
2420 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
2421 (expand_one_stack_var_at): Ditto.
2422 * coverage.c (build_var): Use SET_DECL_ALIGN.
2423 * except.c (init_eh): Ditto.
2424 * function.c (assign_parm_setup_block): Ditto.
2425 * symtab.c (increase_alignment_1): Ditto.
2426 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
2427 * tree-vect-stmts.c (ensure_base_align): Ditto.
2428 * varasm.c (align_variable): Ditto.
2429 (assemble_variable): Ditto.
2430 (build_constant_desc): Ditto.
2431 (output_constant_def_contents): Ditto.
2433 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
2434 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
2435 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
2436 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
2437 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
2439 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
2442 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
2443 replace %vmovsd with "%vmovq".
2444 (vec_concatv2df): Likewise.
2446 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
2448 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
2449 (*vec_extractv2si_0): Ditto.
2450 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
2451 (zero_extended_scalar_load_operand splitters): Ditto.
2452 (vec_extract splitters): Ditto.
2453 (*vec_extractv4si_0_zext): Ditto.
2454 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
2456 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
2457 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
2458 (*sse4_1_extractps): Use lowpart_subreg.
2460 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2462 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
2464 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
2465 Mention Solaris 11 packaging changes.
2466 Update gas and gld requirements.
2467 Remove reference to pre-Solaris 10 bug.
2468 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
2470 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
2473 2016-04-17 Jan Hubicka <jh@suse.cz>
2475 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
2476 max_loop_iterations_int.
2478 2016-04-18 Richard Biener <rguenther@suse.de>
2480 PR tree-optimization/43434
2481 * tree-ssa-structalias.c (struct vls_data): New.
2482 (visit_loadstore): Handle all pointer-based accesses.
2483 (compute_dependence_clique): Compute a bitmap of restrict tags
2484 assigned bases and pass it to visit_loadstore.
2486 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
2489 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
2490 armv8.1-a and armv8.1-a+crc.
2492 2016-04-18 Richard Biener <rguenther@suse.de>
2494 PR tree-optimization/70701
2495 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
2496 references after translating through a memcpy.
2498 2016-04-18 Richard Biener <rguenther@suse.de>
2500 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
2501 (compute_antic): ... here. For partial antic use regular
2502 postorder and scrap iteration.
2503 (compute_partial_antic_aux): Remove unused return value.
2504 (init_pre): Do not allocate postorder.
2505 (fini_pre): Do not free postorder.
2507 2016-04-18 Richard Biener <rguenther@suse.de>
2510 * expmed.c (extract_bit_field_1): Remove broken case
2511 using a wider MODE_INT mode.
2513 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
2515 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
2516 unless compiling with at least GCC-4.8.
2518 2016-04-17 Jan Hubicka <jh@suse.cz>
2521 * graphite.c (graphite_finalize): Update call to
2522 tree_estimate_probability.
2523 * predict.h (tree_estimate_probability): Update prototype.
2525 2016-04-17 Jan Hubicka <jh@suse.cz>
2527 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
2528 (tree_estimate_probability): Likewise.
2529 (pass_profile::execute): Update.
2530 (report_predictor_hitrates): New function.
2531 * profile.c (compute_branch_probabilities): Use it.
2532 * predict.h (report_predictor_hitrates): Declare.
2534 2016-04-17 Jan Hubicka <jh@suse.cz>
2537 * cgraph.h (cgraph_node::set_const_flag,
2538 cgraph_node::set_pure_flag): Update prototype to return bool;
2540 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
2541 of interposable symbol are interposable, too.
2542 (cgraph_set_const_flag_1): Rename to ...
2543 (set_const_flag_1): ... this one; change to self recursive function
2544 instead of call_for_symbol_thunks_and_aliases. Handle correctly
2545 clearnig the flag in all variants and also virtual thunks of const
2546 functions are pure; track if any change was done.
2547 (cgraph_node::set_const_flag): Update.
2548 (struct set_pure_flag_info): New struct.
2549 (cgraph_set_pure_flag_1): Rename to ...
2550 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
2551 rather than pointer encoded flags; track if any changes was done;
2552 handle correctly clearning flag and setting flag of aliases already
2554 (cgraph_node::set_pure_flag): Update.
2555 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
2557 2016-04-17 Tom de Vries <tom@codesourcery.com>
2560 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
2563 2016-04-17 Tom de Vries <tom@codesourcery.com>
2565 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
2566 '{}<> ' as escape-for-record.
2568 2016-04-17 Tom de Vries <tom@codesourcery.com>
2570 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
2573 2016-04-17 Tom de Vries <tom@codesourcery.com>
2576 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
2577 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
2578 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
2579 * passes.c (finish_optimization_passes): Only call
2580 finish_graph_dump_file if dfi->graph_dump_initialized.
2581 (execute_function_dump, pass_init_dump_file): Use
2582 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
2584 2016-04-17 Tom de Vries <tom@codesourcery.com>
2586 PR tree-optimization/70256
2587 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
2588 (debug_varmap): New function.
2590 2016-04-17 Tom de Vries <tom@codesourcery.com>
2593 * passes.c (pass_manager::register_pass): Propagate pflags.
2595 2016-04-17 Tom de Vries <tom@codesourcery.com>
2598 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2599 * passes.c (pass_manager::pass_manager): Declare and init p_start in
2600 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
2601 check if it's equal to p_start.
2602 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2604 2016-04-15 Jan Hubicka <jh@suse.cz>
2607 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2608 function does not bind to current def.
2609 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2610 handle conservatively calls to functions that does not need to bind
2612 (check_call): Update call of worse_state.
2613 (ignore_edge_for_nothrow): Update.
2614 (ignore_edge_for_pure_const): Likewise.
2615 (propagate_pure_const): Update calls to worse_state.
2616 (skip_function_for_local_pure_const): Reformat comments.
2618 2016-04-15 Jan Hubicka <jh@suse.cz>
2621 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2622 (cgraph_node::function_symbol): Likewise.
2623 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2624 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2625 (symtab_node::ultimate_alias_target): Add REF parameter.
2626 (symtab_node::binds_to_current_def_p): Declare.
2627 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2628 (cgraph_node::function_symbol): Likewise.
2629 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2630 (cgraph_node::get_availability): Likewise.
2631 (cgraph_edge::binds_to_current_def_p): New inline function.
2632 (varpool_node::get_availability): Add REF parameter.
2633 (varpool_node::ultimate_alias_target): Likewise.
2634 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2635 (symtab_node::binds_to_current_def_p): Likewise.
2636 * varpool.c (varpool_node::get_availability): Likewise.
2638 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2641 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2642 Fix mode size check.
2644 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2646 * BASE-VER: Set to 7.0.0.
2648 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
2650 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2652 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2654 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2655 architecture revisions.
2657 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
2659 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2660 * config/i386/i386.c (ix86_using_red_zone): No longer static.
2661 * config/i386/i386.md (stack decrement to push peepholes): Guard
2662 with !x86_using_red_zone ().
2664 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2667 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2668 to dump_generic_node.
2669 (NIY): Pass also flags to do_niy.
2671 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
2673 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2674 (simd_clone_vector_of_formal_parm_types)
2675 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2676 (simd_clone_mangle, simd_clone_create)
2677 (simd_clone_adjust_return_type, create_tmp_simd_array)
2678 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2679 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2680 (ipa_simd_modify_function_body, simd_clone_linear_addend)
2681 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2682 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2683 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2684 * omp-simd-clone.c: ... this new file.
2685 (simd_clone_vector_of_formal_parm_types): Make it static.
2686 * Makefile.in (OBJS): Add omp-simd-clone.o.
2688 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2691 * config/i386/sse.md: Use proper memory operand modifiers.
2694 2016-04-15 Richard Biener <rguenther@suse.de>
2695 Alan Modra <amodra@gmail.com>
2697 PR tree-optimization/70130
2698 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2699 when alignment stays not the same and no not use the realign
2702 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2705 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2706 direct move handlers for KFmode. Change TFmode handlers test from
2707 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2709 2016-04-14 Jakub Jelinek <jakub@redhat.com>
2712 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2713 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2714 (inlined_polymorphic_ctor_dtor_block_p): Use it.
2715 * tree-ssa-live.c (remove_unused_scope_block_p): When
2716 in_ctor_dtor_block, avoid discarding not just BLOCKs with
2717 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2718 block_ultimate_origin is FUNCTION_DECL.
2719 (remove_unused_locals): If current_function_decl is
2720 polymorphic_ctor_dtor_p, pass initial true to
2721 remove_unused_scope_block_p' is_ctor_dtor_block.
2723 2016-04-14 Martin Sebor <msebor@redhat.com>
2728 * doc/extend.texi (Variable Length): Revert.
2730 2016-04-14 Marek Polacek <polacek@redhat.com>
2731 Jan Hubicka <hubicka@ucw.cz>
2734 * tree.c (verify_type): Disable the canonical type of main variant
2737 2016-04-14 Jason Merrill <jason@redhat.com>
2739 * cfgexpand.c, expr.c: Revert previous change.
2741 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
2744 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2745 when building a mem ref for the incoming reduction variable.
2747 2016-04-14 Richard Biener <rguenther@suse.de>
2749 PR tree-optimization/70614
2750 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2751 loop if the evolution dropped to chrec_dont_know.
2752 (interpret_condition_phi): Likewise.
2754 2016-04-14 Richard Biener <rguenther@suse.de>
2756 PR tree-optimization/70623
2757 * tree-ssa-pre.c (changed_blocks): Make global ...
2758 (compute_antic): ... local here. Move and fix worklist
2759 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2760 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
2761 worklist handling, dump when ANTIC_IN changed.
2762 (compute_partial_antic_aux): Remove worklist handling.
2763 (init_pre): Do not compute post dominators. Add a comment about
2764 the CFG order chosen.
2765 (fini_pre): Do not free post dominators.
2767 2016-04-13 Martin Sebor <msebor@redhat.com>
2772 * doc/extend.texi (Variable Length): Document C++ specifics.
2774 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2777 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2778 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
2779 eh edges have been purged.
2782 * tree-sra.c (create_access_replacement,
2783 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2785 * tree-pretty-print.c (dump_fancy_name): New function.
2786 (dump_decl_name, dump_generic_node): Use it.
2788 2016-04-13 Jason Merrill <jason@redhat.com>
2790 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2791 * expr.c (expand_expr_real_1): Likewise.
2793 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
2795 * config/i386/i386.md (kunpckhi): Swap operands.
2796 (kunpcksi): Likewise.
2797 (kunpckdi): Likewise.
2798 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2799 (vec_pack_trunc_<mode>): Likewise.
2801 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2804 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2807 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2808 gimplification turns some element into non-constant.
2811 * rtl.h (convert_memory_address_addr_space_1): New prototype.
2812 * explow.c (convert_memory_address_addr_space_1): No longer static,
2813 add NO_EMIT argument and don't call convert_modes if true, pass
2814 it down recursively, remove break after return.
2815 (convert_memory_address_addr_space): Adjust caller.
2816 * simplify-rtx.c (simplify_unary_operation_1): Call
2817 convert_memory_address_addr_space_1 instead of convert_memory_address,
2818 if it returns NULL, don't simplify.
2820 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
2823 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2825 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2827 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2828 Bump the upper SIMDLEN limits, so that if the return type or
2829 characteristic type if the return type is void can be passed in
2830 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2833 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2836 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2837 Do not use "=" constraint on an input constraint.
2838 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2839 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2840 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2841 generates (neg (abs ...)) instead of (abs ...).
2843 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2845 PR rtl-optimization/70596
2846 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2847 just invalidate LRA data and reset them. Adjust dump wording.
2849 2016-04-12 Martin Liska <mliska@suse.cz>
2852 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2854 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2856 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2857 max_loop_iterations_int.
2858 (tree_unswitch_outer_loop): Likewise.
2859 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2860 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2862 2016-04-12 Tom de Vries <tom@codesourcery.com>
2864 PR tree-optimization/68756
2865 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2866 instead of new_name.
2868 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2870 PR tree-optimization/70602
2871 * tree-sra.c (generate_subtree_copies): Don't write anything into
2872 constant pool decls.
2874 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2875 regardless whether there are depend clauses or not.
2877 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
2880 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2881 target attribute and pragma from changing the -mfloat128
2882 and -mfloat128-hardware options.
2884 * doc/extend.texi (Additional Floating Types): Document PowerPC
2885 __float128 restrictions.
2887 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2890 * config/aarch64/driver-aarch64.c
2891 (aarch64_get_extension_string_for_isa_flags): New.
2892 (arch_extension): Rename to...
2893 (aarch64_arch_extension): ...This.
2894 (ext_to_feat_string): Rename to...
2895 (aarch64_extensions): ...This.
2896 (aarch64_core_data): Keep track of architecture extension flags.
2897 (cpu_data): Rename to...
2898 (aarch64_cpu_data): ...This.
2899 (aarch64_arch_driver_info): Keep track of architecture extension
2901 (get_arch_name_from_id): Rename to...
2902 (get_arch_from_id): ...This, change return type.
2903 (host_detect_local_cpu): Update and reformat for renames, handle
2904 extensions through common infrastructure.
2906 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2909 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2910 track of a canonical flag name.
2911 (all_extensions): Likewise.
2912 (arch_to_arch_name): Also track extension flags enabled by the arch.
2913 (all_architectures): Likewise.
2914 (aarch64_parse_extension): Move to here.
2915 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2917 (aarch64_rewrite_selected_cpu): Update for above change.
2918 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2919 are handled, such that the single explicit value enabled by an
2920 extension is kept seperate from the implicit values it also enables.
2921 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2923 (aarch64_parse_extension): New.
2924 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2925 here to config/aarch64/aarch64-protos.h.
2926 (aarch64_parse_extension): Move from here to
2927 common/config/aarch64/aarch64-common.c.
2928 (aarch64_option_print): Update.
2929 (aarch64_declare_function_name): Likewise.
2930 (aarch64_start_file): Likewise.
2931 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2932 the canonical flag for extensions.
2933 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2936 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2938 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2941 2016-04-09 Tom de Vries <tom@codesourcery.com>
2943 PR tree-optimization/68953
2944 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2945 first to last subscript.
2947 2016-04-09 Jakub Jelinek <jakub@redhat.com>
2949 PR tree-optimization/70586
2950 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2953 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
2957 PR tree-optimization/70373
2961 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2962 clauses for acc parallel reductions as necessary. Error on those
2964 * omp-low.c (scan_sharing_clauses): Don't install variables which
2965 are used in acc parallel reductions.
2966 (lower_rec_input_clauses): Remove dead code.
2967 (lower_oacc_reductions): Add support for reference reductions.
2968 (lower_reduction_clauses): Remove dead code.
2969 (lower_omp_target): Don't remap variables appearing in acc parallel
2971 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2973 2016-04-08 Jakub Jelinek <jakub@redhat.com>
2976 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2977 with multiple SSA_NAME defs, force the outputs other than first
2978 to be live before calling live_track_process_def on each output.
2980 PR rtl-optimization/70574
2981 * fwprop.c (forward_propagate_and_simplify): Don't add
2982 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2983 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2984 paradoxical subregs within *loc.
2986 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
2988 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2989 -ftree-parallelize-loops={0,1}.
2990 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2991 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2992 * config/ia64/hpux.h (LIB_SPEC): Likewise.
2993 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2994 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2996 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
2999 * asan.c (instrument_derefs): If we get unknown location, extract it
3001 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
3003 2016-04-08 Tom de Vries <tom@codesourcery.com>
3005 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
3006 implicit firstprivate clause.
3008 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3011 * config/arm/thumb2.md (tst + branch-> lsls + branch
3012 peephole below *orsi_not_shiftsi_si): Require that condition
3013 register is dead after the peephole.
3014 (second peephole after the above): Likewise.
3016 2016-04-08 Alan Modra <amodra@gmail.com>
3019 * builtins.c (fold_builtin_classify): For IBM extended precision,
3020 look at just the high-order double to test for NaN.
3021 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
3022 test just the high double for Inf but both doubles for subnormal
3025 2016-04-07 Jakub Jelinek <jakub@redhat.com>
3027 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
3028 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
3029 node->simdclone->mask_mode != VOIDmode masks.
3030 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
3031 earlier, use it instead of node->simdclone.
3032 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3033 Set clonei->mask_mode.
3035 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
3038 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
3039 Pass it through to cp_parser_already_scoped_statement.
3040 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
3041 it through to cp_parser_statement.
3042 (cp_parser_statement): Pass IF_P through to
3043 cp_parser_iteration_statement.
3044 (cp_parser_pragma): Adjust call to
3045 cp_parser_iteration_statement.
3047 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
3050 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
3051 resolve a future -Wparentheses warning.
3052 * omp-low.c (scan_sharing_clauses): Likewise.
3053 * tree-parloops.c (eliminate_local_variables): Likewise.
3055 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
3057 PR rtl-optimization/70398
3058 * lra-constraints.c (process_address_1): Check zero scale and code
3059 for reloading with zero scale.
3061 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
3063 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
3064 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
3066 2016-04-06 Jakub Jelinek <jakub@redhat.com>
3068 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3069 Add support for AVX512F clones, include them by default for
3070 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
3071 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
3075 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
3076 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
3077 firstprivate clauses.
3078 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
3079 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
3080 (lower_omp_target): Set TREE_NO_WARNING for
3081 non-addressable possibly uninitialized vars which are copied into
3082 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
3084 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
3086 * config/pa/predicates.md (integer_store_memory_operand): Accept
3087 REG+D operands with a large offset when reload_in_progress is true.
3088 (floating_point_store_memory_operand): Likewise.
3090 2016-04-05 Jakub Jelinek <jakub@redhat.com>
3093 * match.pd (nested int casts): Limit to GIMPLE.
3095 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
3098 * ipa-devirt.c (maybe_record_node): Fix comment; use
3099 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
3101 2016-04-05 Jakub Jelinek <jakub@redhat.com>
3103 PR rtl-optimization/70542
3104 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
3105 if there are any uses other than insn or debug insns.
3107 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
3108 Jakub Jelinek <jakub@redhat.com>
3110 PR tree-optimization/70509
3111 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
3112 Shift HOST_WIDE_INT_1U instead of 1.
3114 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
3116 PR tree-optimization/70509
3117 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
3118 of the vector base type for index.
3120 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
3123 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
3125 2016-04-05 Richard Biener <rguenther@suse.de>
3127 PR tree-optimization/70526
3128 * tree-sra.c (build_ref_for_offset): Use prev_base to
3129 extract the alias pointer type.
3131 2016-04-05 Richard Biener <rguenther@suse.de>
3133 * dse.c (struct store_info): Remove alias_set member.
3134 (struct read_info_type): Likewise.
3135 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
3136 spill_deleted, clear_alias_set_lookup): Remove.
3137 (get_group_info): Remove dead base == NULL_RTX case.
3138 (dse_step0): Remove initialization of removed variables.
3139 (delete_dead_store_insn): Reomve alias set dumping.
3140 (free_read_records): Remove alias_set handling.
3141 (canon_address): Remove alias_set_out parameter.
3142 (record_store): Remove spill_alias_set, it's always zero.
3143 (check_mem_read_rtx): Likewise.
3144 (dse_step2): Rename from ...
3145 (dse_step2_nospill): ... this. Adjust.
3146 (scan_stores): Rename from ...
3147 (scan_stores_nospill): ... this.
3148 (scan_reads): Rename from ...
3149 (scan_reads_nospill): ... this.
3150 (scan_stores_spill, scan_reads_spill): Remove.
3151 (dse_step3_scan): Remove for_spills argument which is always false.
3152 (dse_step3): Likewise.
3153 (dse_step5): Rename from ...
3154 (dse_step5_nospill): ... this. Remove alias_set handling.
3155 (rest_of_handle_dse): Adjust.
3157 2016-04-05 Jakub Jelinek <jakub@redhat.com>
3160 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
3161 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
3162 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
3163 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
3165 2016-04-05 Richard Biener <rguenther@suse.de>
3168 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
3169 non-register type temporaries into SSA.
3171 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
3174 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
3175 calls when sanitizing.
3176 (possible_polymorphic_call_target_p): Fix formatting.
3178 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3179 Jakub Jelinek <jakub@redhat.com>
3182 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
3183 to ensure a call statement is compatible with a built-in's
3185 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
3188 2016-04-04 Richard Biener <rguenther@suse.de>
3190 PR rtl-optimization/70484
3191 * rtl.h (canon_output_dependence): Declare.
3192 * alias.c (canon_output_dependence): New function.
3193 * dse.c (record_store): Use canon_output_dependence rather
3194 than canon_true_dependence.
3196 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
3199 * cgraph.h (symtab_node::copy_visibility_from): New function.
3200 * symtab.c (symtab_node::copy_visibility_from): New function.
3201 * ipa-visibility.c (optimize_weakref): New function.
3202 (function_and_variable_visibility): Use it.
3204 2016-04-04 Martin Liska <mliska@suse.cz>
3207 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
3208 value that is really in range handled by SBR instruction.
3209 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
3210 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
3211 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
3213 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
3217 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
3218 set, but not for SP_REG operands.
3220 2016-04-02 Martin Sebor <msebor@redhat.com>
3223 * fold-const.c (maybe_nonzero_address): New function.
3224 (fold_comparison): Call it. Fold equality and relational
3225 expressions involving null pointers.
3226 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
3228 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
3230 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
3231 the "Y" constraint (scalar FP 0.0 immediate).
3233 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
3234 Add the "const_double" to the list of operand constraints.
3236 2016-04-01 Jakub Jelinek <jakub@redhat.com>
3238 PR rtl-optimization/70467
3239 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
3240 If low word of the last operand is 0, just emit addition/subtraction
3243 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3246 * config/s390/s390.c (s390_expand_insv): Check for everything
3247 constant instead of just VOIDmode stuff.
3249 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3252 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
3254 2016-04-01 Nathan Sidwell <nathan@acm.org>
3256 * tree.def (TRY_CATCH_EXPR): Correct documentation.
3258 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
3260 PR rtl-optimization/70461
3261 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
3264 2016-03-31 Martin Liska <mliska@suse.cz>
3267 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
3268 a tree value or an immediate integer value to a buffer
3269 that is eventually copied to a BRIG section.
3270 (emit_immediate_operand): Call the function here.
3271 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
3272 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
3273 of class' fields that are removed.
3274 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
3275 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
3276 m_brig_repr_size fields.
3278 2016-03-31 Martin Liska <mliska@suse.cz>
3281 * hsa-gen.c (hsa_function_representation::update_dominance): New
3283 (convert_addr_to_flat_segment): Likewise.
3284 (gen_hsa_memory_set): New alignment argument.
3285 (gen_hsa_ctor_assignment): Likewise.
3286 (gen_hsa_insns_for_single_assignment): Provide alignment
3287 to gen_hsa_ctor_assignment.
3288 (gen_hsa_insns_for_direct_call): Add new argument.
3289 (expand_lhs_of_string_op): New function.
3290 (expand_string_operation_builtin): Likewise.
3291 (expand_memory_copy): New function.
3292 (expand_memory_set): New function.
3293 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
3294 (convert_switch_statements): Change signature.
3295 (generate_hsa): Use a return value of the function.
3296 (pass_gen_hsail::execute): Do not call
3297 convert_switch_statements here.
3298 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
3299 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
3300 (hsa_function_representation::update_dominance): New function.
3302 2016-03-31 Martin Liska <mliska@suse.cz>
3305 * hsa-brig.c (emit_directive_variable): Emit alignment
3306 according to hsa_symbol::m_align.
3307 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
3308 (dump_hsa_symbol): Dump alignment of HSA symbols.
3309 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
3310 (gen_hsa_addr_with_align): New function.
3311 (hsa_bitmemref_alignment): Use newly added function.
3312 (gen_hsa_insns_for_load): Likewise.
3313 (gen_hsa_insns_for_store): Likewise.
3314 (gen_hsa_memory_copy): New argument added.
3315 (gen_hsa_insns_for_single_assignment): Respect
3316 alignment for assignments processed via gen_hsa_memory_copy.
3317 (gen_hsa_insns_for_direct_call): Likewise.
3318 (gen_hsa_insns_for_return): Likewise.
3319 (gen_function_def_parameters): Set default alignment.
3320 * hsa.c (hsa_object_alignment): New function.
3321 (hsa_byte_alignment): Pasted function.
3322 * hsa.h (hsa_symbol::m_align): New field.
3324 2016-03-31 Bin Cheng <bin.cheng@arm.com>
3326 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
3327 scratch field for goto case.
3329 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
3331 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
3333 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
3336 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
3337 (scalar_chain::convert_insn): Call convert_op for reg
3338 moves to handle undefined registers.
3340 2016-03-31 Nathan Sidwell <nathan@acm.org>
3343 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
3344 Assert we don't want to move backwards.
3346 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
3349 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
3351 2016-03-31 Jakub Jelinek <jakub@redhat.com>
3353 PR rtl-optimization/70460
3354 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
3355 with operand from REG_LABEL_OPERAND, instead substitute
3356 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
3357 Don't do anything for REG_NON_LOCAL_GOTO jumps.
3359 2016-03-31 Martin Liska <mliska@suse.cz>
3361 * passes.c (execute_one_pass): Do not call
3362 todo_after for a discarded function.
3364 2016-03-31 Bin Cheng <bin.cheng@arm.com>
3366 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
3367 (no_cost, infinite_cost): Initialize the new field.
3368 (get_computation_cost_at): Record setup cost.
3369 (determine_use_iv_cost_address): Skip cost computation for sub
3370 uses if we can estimate it without losing accuracy.
3372 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
3374 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
3376 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
3377 max_loop_iterations_int.
3378 (tree_unswitch_outer_loop): Likewise.
3379 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
3380 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
3382 2016-03-30 Richard Biener <rguenther@suse.de>
3385 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
3387 2016-03-30 Jakub Jelinek <jakub@redhat.com>
3390 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
3391 in gen_blendm expander.
3393 2016-03-30 Nick Clifton <nickc@redhat.com>
3396 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
3397 case where we are already provided with an SImode SUBREG.
3399 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
3402 * config/i386/i386.c (ix86_expand_epilogue): Properly check
3403 conflict between DRAP register and __builtin_eh_return.
3405 2016-03-30 Michael Matz <matz@suse.de>
3406 Richard Biener <rguenther@suse.de>
3409 * ipa-polymorphic-call.c (struct type_change_info): Change
3410 speculative to an unsigned allowing to limit the work we do.
3411 (csftc_abort_walking_p): New inline function..
3412 (check_stmt_for_type_change): Limit the number of may-defs
3413 skipped for speculative devirtualization to
3414 max-speculative-devirt-maydefs.
3415 * params.def (max-speculative-devirt-maydefs): New param.
3416 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
3418 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
3421 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
3424 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
3426 PR tree-optimization/59124
3427 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
3428 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
3430 2016-03-29 Jeff Law <law@redhat.com>
3432 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
3434 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3436 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
3439 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
3441 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
3442 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
3443 gcrt0.o if linking dynamically.
3445 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3448 * ipa-devirt.c (methods_equal_p): New function.
3449 (compare_virtual_tables): Use it.
3450 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
3451 * cgraphclones.c (clone_function_name_1): Use
3452 symbol_table::symbol_suffix_separator.
3453 * coverage.c (build_var): Likewise.
3454 * symtab.c (symbol_table::symbol_suffix_separator): New.
3456 2016-03-29 Jakub Jelinek <jakub@redhat.com>
3458 PR rtl-optimization/70429
3459 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
3460 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
3461 mode != result_mode.
3464 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
3466 PR tree-optimization/70405
3467 * ssa-iterators.h (num_imm_uses): Add missing braces.
3469 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
3471 PR rtl-optimization/68695
3472 * ira-color.c (allocno_copy_cost_saving): New.
3473 (improve_allocation): Use it.
3475 2016-03-29 Richard Henderson <rth@redhat.com>
3478 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
3480 2016-03-29 Richard Biener <rguenther@suse.de>
3483 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
3484 use alignment returned by get_pointer_alignment_1 if it is
3485 bigger than BITS_PER_UNIT.
3486 * builtins.c (get_pointer_alignment_1): Do not return true
3487 for alignment extracted from SSA info.
3489 2016-03-28 James Bowman <james.bowman@ftdichip.com>
3491 * config/ft32/ft32.opt (mnodiv): New.
3492 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
3493 * doc/invoke.texi (FT32 Options -mnodiv): New.
3495 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
3498 * config/i386/i386.md (define_split, andn): Fix modes.
3500 2016-03-26 Richard Biener <rguenther@suse.de>
3501 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
3504 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
3506 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
3507 as 2nd argument to cl_optimization_restore().
3509 2016-03-25 Richard Henderson <rth@redhat.com>
3512 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
3513 * config/aarch64/aarch64-protos.h: Declare it.
3514 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
3516 2016-03-25 Alan Modra <amodra@gmail.com>
3519 * config/rs6000/constraints.md (j): Simplify.
3520 * config/rs6000/predicates.md (easy_fp_constant): Exclude
3522 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
3523 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
3524 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
3525 in all constraint alternatives.
3526 (movtd_64bit_nodm): Delete "j" constraint alternative.
3528 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
3530 * tree-ssa-propagate.c: Enhance docs for
3531 SSA_PROP_NOT_INTERESTING.
3533 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
3535 * doc/extend.texi: Fix typo in documentation to pure attribute.
3537 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
3540 * config/pa/pa.md (bswapdi2): Use a scratch register.
3542 2016-03-24 Richard Henderson <rth@redhat.com>
3545 * fold-const.c (extract_muldiv_1): Correct test for multiplication
3548 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
3550 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
3551 using ix86_expand_binary_operator instead of gen_andsi3.
3553 2016-03-24 Richard Biener <rguenther@suse.de>
3555 PR tree-optimization/70396
3556 * tree-vect-stmts.c (vectorizable_comparison): Use
3557 get_vectype_for_scalar_type.
3559 2016-03-24 Richard Biener <rguenther@suse.de>
3562 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
3563 with register bases.
3565 2016-03-24 Richard Biener <rguenther@suse.de>
3567 PR tree-optimization/70372
3568 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
3569 build_all_ones_cst to also handle vector types correctly.
3571 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3574 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
3577 2016-03-23 Marek Polacek <polacek@redhat.com>
3580 * doc/invoke.texi: Document -Wignored-attributes.
3582 2016-03-23 Bin Cheng <bin.cheng@arm.com>
3584 PR tree-optimization/69042
3585 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3586 parameter from 30 to 40.
3588 2016-03-23 Bin Cheng <bin.cheng@arm.com>
3590 PR tree-optimization/69042
3591 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3592 for use with constant offset stripped in base.
3594 2016-03-23 Richard Biener <rguenther@suse.de>
3597 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3598 mode compatibility check.
3599 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3601 2016-03-23 Jeff Law <law@redhat.com>
3603 PR tree-optimization/64058
3604 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3606 (struct ssa_conflicts): Move up earlier in the file.
3607 (conflicts_, var_map_): New static variables.
3608 (initialize_conflict_count): New function to initialize the
3609 CONFLICT_COUNT field for each conflict pair.
3610 (compare_pairs): Lazily initialize the conflict count and use it
3611 as the first tie-breaker.
3612 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
3613 and wipe conflicts_ and map_ around the call to qsort. Remove
3614 special case for 2 coalesce pairs.
3615 * bitmap.c (bitmap_count_unique_bits): New function.
3616 (bitmap_count_bits_in_word): New function, extracted from
3618 (bitmap_count_bits): Use bitmap_count_bits_in_word.
3619 * bitmap.h (bitmap_count_unique_bits): Declare it.
3621 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
3624 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3625 transparent alias chain for decl assembler name.
3626 * config/sol2.c (solaris_assemble_visibility): Likewise.
3628 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3630 * config/arm/arm1020e.md (1020call_op): Reduce reservation
3632 (v10_fdivs): Likewise.
3633 (v10_fdivd): Likewise.
3635 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3638 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3639 to not call fclose twice on file.
3641 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3643 PR tree-optimization/70354
3644 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3645 oprnd0 is wider than oprnd1 and there is a cast from the wider
3646 type to oprnd1, mask it with the mask of the narrower type.
3649 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3650 Optimize TARGET_STV splitters, if high or low word of last argument
3653 2016-03-22 Jeff Law <law@redhat.com>
3656 tree-ssa-threadbackward.c
3657 (fsm_find_control_statement_thread_paths): Correctly distinguish
3658 between old style jump threads vs FSM jump threads.
3660 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3663 * config/i386/i386.c (scalar_chain::convert_op): Support
3664 uninitialized register usage case.
3666 2016-03-22 Richard Biener <rguenther@suse.de>
3669 * genmatch.c (gen_transform): Adjust last parameter to a three-state
3671 (capture::gen_transform): ... to change behavior when substituting
3672 a condition into cond or not-cond expr context.
3673 (dt_simplify::gen_1): Adjust.
3674 * gimple-match-head.c: Include gimplify.h for unshare_expr.
3675 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3676 last change and instead change to
3677 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3678 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3680 2016-03-22 Anthony Green <green@moxielogic.com>
3682 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
3683 issue for moxiebox targets.
3684 (CC1PLUS_SPEC): Ditto.
3686 2016-03-22 Richard Biener <rguenther@suse.de>
3689 * fold-const.c (extract_muldiv_1): Properly perform multiplication
3692 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3694 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3696 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3699 * config/i386/i386.c (def_builtin): Handle
3700 OPTION_MASK_ISA_AVX512VL to be and-ed with other
3702 (const struct builtin_description bdesc_special_args[]):
3703 Remove duplicate ISA bits.
3705 2016-03-22 Jakub Jelinek <jakub@redhat.com>
3708 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3709 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
3710 in a way that works also for AVX512BW.
3713 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3714 instead of source if operands[1] is xmm16 and above and
3715 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
3716 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3719 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3720 on assign if (*from_p) is a comparison, set it to
3721 TREE_NO_WARNING (*from_p).
3723 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3726 * lra.c (restore_scratches): Ignore deleted insns.
3728 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
3729 Jakub Jelinek <jakub@redhat.com>
3731 PR tree-optimization/70317
3732 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3735 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
3738 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3739 of ix86_expand_move.
3741 (movti): Use general_operand for operand 1 predicate.
3743 2016-03-21 Martin Liska <mliska@suse.cz>
3745 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3747 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3749 2016-03-21 Martin Liska <mliska@suse.cz>
3752 * ipa-icf.c (sem_function::parse): Skip static
3753 constructors and destructors.
3755 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3758 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3759 function-like macro, peek following token(s) if it is followed
3760 by CPP_OPEN_PAREN token with optional padding in between, and
3761 if not, don't treat it like a macro.
3763 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
3764 Alexander Monakov <amonakov@ispras.ru>
3766 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3767 for the stabs debug format.
3769 2016-03-21 Richard Biener <rguenther@suse.de>
3771 PR tree-optimization/70310
3772 * tree-vect-generic.c (expand_vector_condition): Fold the built
3775 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
3778 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3779 Block third alternative for AVX-512VL target,
3781 2016-03-21 Martin Liska <mliska@suse.cz>
3784 * hsa-brig.c (emit_function_directives): Mark unemitted
3785 global variables for emission.
3786 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3787 (get_symbol_for_decl): Likewise.
3788 * hsa.h (struct hsa_symbol): New flag.
3790 2016-03-21 Richard Biener <rguenther@suse.de>
3792 PR tree-optimization/70288
3793 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3794 we do not estimate unsimplified all-constant conditionals or
3795 switches as optimized away.
3797 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
3799 PR rtl-optimization/69102
3800 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3801 when we have a readonly dependency context.
3803 2016-03-18 Jeff Law <law@redhat.com>
3805 PR rtl-optimization/70263
3806 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3807 (update_equiv_regs): When trying to move a store to after the insn
3808 that sets the source of the store, make sure the store occurs after
3809 the insn that sets the source of the store. When successful note
3810 the REG_EQUIV note created in the dump file.
3812 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
3813 Bernd Schmidt <bschmidt@redhat.com>
3815 * doc/extend.texi: Document more potential problems with basic asms.
3817 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
3819 PR rtl-optimization/70278
3820 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3823 2016-03-18 Jason Merrill <jason@redhat.com>
3825 * calls.c (load_register_parameters): Fix zero size sibcall logic.
3827 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
3829 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3830 values to 128b regs.
3832 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3834 PR tree-optimization/70252
3835 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3836 boolean vector has a proper number of elements.
3837 (supportable_narrowing_operation): Likewise.
3839 2016-03-18 Tom de Vries <tom@codesourcery.com>
3842 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3844 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3846 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3847 instead of replace_rtx for DEBUG_INSNs.
3849 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3851 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3852 load type reservations.
3854 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
3857 * config/pa/constraints.md: Revert 2015-02-13 change. Use
3858 define_constraint for "Q" and "T" constraints.
3860 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
3862 Tweak the pipeline model for Exynos M1
3864 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
3867 2016-03-17 David Malcolm <dmalcolm@redhat.com>
3870 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3871 where one or both locations aren't within a line_map.
3873 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
3876 * opts.c (finish_options): Don't set flag_pie to the default if
3877 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
3880 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
3882 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3883 true as ALL_REGS argument to replace_rtx.
3885 2016-03-17 Richard Biener <rguenther@suse.de>
3888 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3891 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3894 * rtl.h (replace_rtx): Add ALL_REGS argument.
3895 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
3896 equality and assert mode is the same, instead of just rtx pointer
3898 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3899 true as ALL_REGS argument to replace_rtx.
3901 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
3903 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3904 for boolean vector with vector mode only.
3905 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3907 2016-03-17 Nick Clifton <nickc@redhat.com>
3910 * config/rx/rx.c (rx_print_integer): Print negative constants in
3913 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3916 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3918 2016-03-16 Richard Henderson <rth@redhat.com>
3919 Richard Biener <rguenth@suse.de>
3924 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3925 first operand as is_gimple_condexpr.
3930 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
3931 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3932 Do not gimplify the result.
3933 (do_unop): Adjust call to tree_vec_extract.
3934 (do_binop): Likewise.
3935 (do_compare): Likewise.
3936 (do_plus_minus): Likewise.
3937 (do_negate): Likewise.
3938 (expand_vector_condition): Likewise.
3939 (do_cond): Likewise.
3941 2016-03-16 Richard Henderson <rth@redhat.com>
3944 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3945 (aarch64_classify_address): Use it.
3946 (aarch64_legitimize_address): Force all subexpressions of PLUS
3947 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
3949 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3950 Richard Biener <rguenth@suse.de>
3953 * rtlanal.c (replace_rtx): For REG, if from is a REG,
3954 return to even if only REGNO is equal, and assert
3957 2016-03-11 Jeff Law <law@redhat.com>
3959 PR rtl-optimization/70224
3960 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3962 2016-03-16 Richard Henderson <rth@redhat.com>
3965 * function.h (struct function): Add has_forced_label_in_static.
3966 * gimplify.c (force_labels_r): Set it.
3967 * lto-streamer-in.c (input_struct_function_base): Read it.
3968 * lto-streamer-out.c (output_struct_function_base): Write it.
3969 * tree-inline.c (has_label_address_in_static_1): Remove.
3970 (copy_forbidden): Remove fndecl parameter; test
3971 has_forced_label_in_static.
3972 (inline_forbidden_p): Update call to copy_forbidden.
3973 (tree_versionable_function_p): Likewise.
3974 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3975 (chkp_versioning): Likewise.
3976 * tree-inline.h (copy_forbidden): Update decl.
3978 2016-03-16 Marek Polacek <polacek@redhat.com>
3981 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3982 function being thunked if the result type doesn't have fixed size.
3983 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3984 doesn't have fixed size.
3986 2016-03-16 Bin Cheng <bin.cheng@arm.com>
3988 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3989 reporting malformed loop nest.
3991 2016-03-16 Tom de Vries <tom@codesourcery.com>
3994 * ipa-devirt.c (possible_polymorphic_call_targets): Move
3995 nodes.length () == 1 test to before first nodes[0] access.
3997 2016-03-16 Tom de Vries <tom@codesourcery.com>
3999 PR tree-optimization/68715
4000 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
4003 2016-03-16 Tom de Vries <tom@codesourcery.com>
4005 PR tree-optimization/68809
4006 * graphite-scop-detection.c (same_close_phi_node): Test if result types
4009 2016-03-16 Carlos O'Donell <carlos@redhat.com>
4010 Sandra Loosemore <sandra@codesourcery.com>
4012 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
4013 on leaf attribute. Mention ELF interposition problems.
4015 2016-03-16 Alan Modra <amodra@gmail.com>
4017 PR rtl-optimization/69195
4018 PR rtl-optimization/47992
4019 * ira.c (indirect_jump_optimize): Ignore artificial defs.
4022 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
4025 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
4027 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
4029 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
4031 2016-03-15 Jakub Jelinek <jakub@redhat.com>
4033 PR rtl-optimization/70222
4034 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
4035 optimization if mode is different from result_mode, queue up masking
4036 of the result in outer_op. Formatting fix.
4039 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
4042 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4044 PR rtl-optimization/69032
4045 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
4046 looping backwards over basic block insns.
4048 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4051 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
4052 to non-speculative when propagating trap bits.
4054 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4056 PR rtl-optimization/63384
4057 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
4060 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4063 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
4064 factored out from ...
4065 (sched_analyze_insn): ... here.
4066 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
4067 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
4068 get_implicit_reg_pending_clobbers in it.
4069 (setup_id_reg_sets): Use setup_id_implicit_regs.
4070 (deps_init_id): Ditto.
4072 2016-03-15 Tom de Vries <tom@codesourcery.com>
4075 * cgraph.c (cgraph_node::get_body): Save, reset and restore
4077 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
4078 execute_function_dump.
4079 (execute_one_pass): Don't dump function if it will be dumped after ipa
4082 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
4084 * genrecog.c (match_pattern_2): If pred is NULL don't call
4085 safe_predicate_mode on it.
4087 2016-03-14 Jakub Jelinek <jakub@redhat.com>
4090 * lra-constraints.c (delete_move_and_clobber): Change assertion
4091 to also allow dregno == 0.
4093 2016-03-14 Richard Henderson <rth@redhat.com>
4096 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
4097 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
4098 (reassociate_bb): Use optimize_vec_cond_expr; avoid
4099 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
4102 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
4105 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
4107 (lra_create_live_ranges_1): initialize hard register biggest_mode to
4109 * lra-constraints.c (split_reg): For hard regs, try to find the
4110 biggest single-register mode used in the function.
4112 2016-03-14 Richard Biener <rguenther@suse.de>
4114 PR tree-optimization/56365
4115 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
4116 constants to compare against.
4118 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
4121 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
4122 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
4123 (define_split for the GPR case): Use int_reg_operand instead of
4124 gpc_reg_operand for the output.
4126 2016-03-14 Tom de Vries <tom@codesourcery.com>
4128 PR tree-optimization/70045
4129 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
4130 create_empty_if_region_on_edge argument.
4132 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
4134 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
4135 (STACK_CHECK_PROTECT): Likewise.
4136 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4137 (STACK_CHECK_PROTECT): Likewise.
4138 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4139 (STACK_CHECK_PROTECT): Likewise.
4140 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
4141 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
4142 (STACK_CHECK_PROTECT): Likewise.
4144 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
4146 PR rtl-optimization/69307
4147 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
4148 registers in modes that span more than one register.
4150 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
4153 * lra-constraints.c (delete_move_and_clobber): New.
4154 (remove_inheritance_pseudos): Use it.
4156 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
4159 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
4160 the libcall is LCT_THROW.
4161 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
4162 for the checking routine.
4164 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
4167 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
4168 optimization if we have direct move.
4169 (roundu32<mode>2_fprs): Likewise.
4171 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
4174 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
4176 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
4177 Arguments swapped. All callers changed. Take reg_renumber into
4178 account, and Calculate and compare register ranges for hard regs.
4180 2016-03-11 Jeff Law <law@redhat.com>
4182 PR tree-optimization/70190
4183 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4184 Handle cases where we can not extract the taken edge, even though we
4185 found a constant value.
4187 PR tree-optimization/64058
4188 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
4189 (num_coalesce_pairs): Move up earlier in file.
4190 (find_coalesce_pair): Initialize the INDEX field for each pair
4192 (compare_pairs): No longer sort on the elements in each pair.
4193 Instead break ties with the index of the coalesce pair.
4195 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4198 * config/aarch64/aarch64-protos.h
4199 (aarch64_save_restore_target_globals): New prototype.
4200 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
4201 Call the above when popping pragma.
4202 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
4204 (aarch64_set_current_function): Rewrite using the above.
4206 2016-03-11 Jakub Jelinek <jakub@redhat.com>
4208 PR tree-optimization/70177
4209 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
4210 (extract_ops_from_tree): ... this. In the 2 argument
4211 overload remove _1 suffix.
4212 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
4213 (extract_ops_from_tree): ... this.
4214 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
4216 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4217 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
4218 extract_ops_from_tree instead of 2 operand one.
4220 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
4222 PR tree-optimization/70013
4223 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
4224 for constant-pool entries.
4226 2016-03-11 Jakub Jelinek <jakub@redhat.com>
4228 PR rtl-optimization/70174
4229 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
4230 followed by gen_lowpart on force_reg instead of just gen_lowpart.
4232 PR tree-optimization/70169
4233 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
4234 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
4237 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
4238 Jakub Jelinek <jakub@redhat.com>
4241 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
4242 of uninitialized values.
4244 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4246 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
4248 ("*trunctddd2"): New pattern definition.
4249 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
4252 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4254 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
4255 definitions for BFP and DFP rounding modes.
4256 ("fixuns_truncdddi2", "fixuns_trunctddi2")
4257 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
4258 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
4259 ("fix_trunctf<mode>2"): Use the new constants instead of magic
4262 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4264 * config/s390/constraints.md: Adjust comment.
4265 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
4266 s390_decompose_addrstyle_without_index.
4267 * config/s390/predicates.md (shift_count_or_setmem_operand):
4268 Rename to setmem_operand.
4269 * config/s390/s390-protos.h
4270 (s390_decompose_shift_count): Rename to
4271 s390_decompose_addrstyle_without_index.
4272 * config/s390/s390.c (s390_decompose_shift_count)
4273 (s390_mem_constraint, print_shift_count_operand)
4274 (print_operand_address, print_operand): Rename
4275 s390_decompose_shift_count to
4276 s390_decompose_addrstyle_without_index and rename
4277 print_shift_count_operand to print_addrstyle_operand troughout the
4279 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
4280 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
4281 Rename shift_count_or_setmem_operand to setmem_operand.
4282 * config/s390/vx-builtins.md ("vec_insert<mode>")
4283 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
4286 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4289 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
4290 Handle overlapping retval and newval.
4292 2016-03-10 Nick Clifton <nickc@redhat.com>
4295 * config/aarch64/aarch64.c
4296 (aarch64_override_options_after_change_1): When forcing
4297 flag_omit_frame_pointer to be true, use a special value that can
4298 be detected if this function is called again, thus preventing
4299 flag_omit_leaf_frame_pointer from being forced to be false.
4301 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4303 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
4304 Set x_flag_omit_leaf_frame_pointer when handling
4305 -momit-leaf-frame-pointer.
4307 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4310 * cgraph.c (cgraph_node::dump): Dump split_part and
4311 indirect_call_target.
4312 * cgraph.h (cgraph_node): Add indirect_call_target flag.
4313 * ipa.c (has_addr_references_p): Cleanup.
4314 (is_indirect_call_target_p): New.
4315 (walk_polymorphic_call_targets): Do not mark virtuals that may be
4316 called indirectly as local.
4317 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
4319 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4322 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4323 on cxa_pure_virtual.
4325 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4328 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
4330 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4333 * tree.c (need_assembler_name_p): Only record main variant type names.
4335 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
4338 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
4339 Always define to 0 or 1.
4340 (TARGET_FIX_ERR_A53_843419): New macro.
4341 * config/aarch64/aarch64-elf-raw.h
4342 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
4343 * config/aarch64/aarch64-linux.h: Likewise.
4344 * config/aarch64/aarch64.c
4345 (aarch64_override_options_after_change_1): Do not default
4346 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
4348 (aarch64_attributes): Handle fix-cortex-a53-843419.
4349 (aarch64_can_inline_p): Likewise.
4350 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
4352 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
4353 Jakub Jelinek <jakub@redhat.com>
4355 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
4356 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
4357 DECL_COMMONS if flag_unconstrained_commons is set.
4358 * tree-dfa.c (get_ref_base_and_extent): Likewise.
4359 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
4360 (funconstrained-commons): Document.
4362 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
4364 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
4365 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
4367 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
4369 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
4370 has a proper number of elements.
4372 2016-03-10 Alan Modra <amodra@gmail.com>
4374 PR rtl-optimization/69195
4375 PR rtl-optimization/47992
4376 * ira.c (recorded_label_ref): Delete.
4377 (update_equiv_regs): Return void.
4378 (indirect_jump_optimize): New function.
4379 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
4380 before regstat_compute_ri. Don't rebuild_jump_labels here.
4381 Delete update_regstat.
4383 2016-03-10 Richard Biener <rguenther@suse.de>
4385 PR tree-optimization/70128
4386 * tree-ssa-structalias.c (set_uids_in_ptset): Set
4387 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
4389 2016-03-09 Jakub Jelinek <jakub@redhat.com>
4391 PR tree-optimization/70152
4392 * tree-sra.c (replace_removed_params_ssa_names): Copy over
4393 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
4396 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
4397 instead of gen_sse2_loadlpd.
4398 * config/i386/sse.md (*vec_concatv2df): Rename to...
4399 (vec_concatv2df): ... this.
4401 PR tree-optimization/70127
4402 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
4404 2016-03-09 David Malcolm <dmalcolm@redhat.com>
4408 * diagnostic-show-locus.c (compatible_locations_p): New function.
4409 (layout::layout): Sanitize ranges using compatible_locations_p.
4411 2016-03-09 David Malcolm <dmalcolm@redhat.com>
4415 * diagnostic-show-locus.c (layout_range::layout_range): Replace
4416 location_range param with three const expanded_locations * and a
4418 (layout::layout): Replace call to
4419 rich_location::lazily_expand_location with get_expanded_location.
4420 Extract the range and perform location expansion here, passing
4421 the results to the layout_range ctor.
4422 * diagnostic.c (source_range::debug): Delete.
4423 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
4424 of rich_location::get_expanded_location.
4425 * gcc-rich-location.c (get_range_for_expr): Delete.
4426 (gcc_rich_location::add_expr): Reimplement to avoid the
4427 rich_location::add_range overload that took a location_range,
4428 passing a location_t instead.
4430 2016-03-09 Richard Biener <rguenther@suse.de>
4431 Jakub Jelinek <jakub@redhat.com>
4433 PR tree-optimization/70138
4434 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4435 Also skip vect_double_reduction_def.
4437 2016-03-09 Jakub Jelinek <jakub@redhat.com>
4440 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
4441 if the operand is "m".
4443 2016-03-09 Nathan Sidwell <nathan@acm.org>
4445 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
4447 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4449 * config/i386/i386.c (processor_target_table): Fix cost table
4450 intialization order for znver1.
4452 2016-03-08 Jakub Jelinek <jakub@redhat.com>
4454 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
4455 - becuase -> because.
4456 * ipa-reference.c (ignore_module_statics): Likewise.
4457 * cgraph.c (cgraph_node::get_body): Likewise.
4458 * ipa-inline.c (early_inliner): Likewise.
4459 * ipa-devirt.c (types_same_for_odr): Likewise.
4460 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4461 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
4463 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4465 * tree-ssa-math-opts.c: Fix typo in comment.
4467 2016-03-08 Jakub Jelinek <jakub@redhat.com>
4470 * config/i386/i386.c (scalar_chain::make_vector_copies,
4471 scalar_chain::convert_reg): Call end_sequence in between
4472 get_insns and emit_conversion_insns rather than after both
4475 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
4478 * config/i386/i386.h (machine_function): Add
4479 pc_thunk_call_expanded flag.
4480 (ix86_pc_thunk_call_expanded): New define.
4481 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
4482 (*set_got): Rename insn pattern from set_got.
4483 (*set_got_labelled): Rename inst pattern from set_got_labelled.
4484 * config/i386/i386.c (ix86_compute_frame_layout): Use
4485 ix86_pc_thunk_call_expanded to prevent red-zone.
4487 2016-03-07 Martin Jambor <mjambor@suse.cz>
4489 * hsa.h (hsa_get_ctor_statements): Declare.
4490 (hsa_get_dtor_statements): Likewise.
4491 (hsa_get_kernel_dispatch_type): Likewise.
4492 * hsa.c (hsa_get_ctor_statements): New function.
4493 (hsa_get_dtor_statements): Likewise.
4494 (hsa_get_kernel_dispatch_type): Likewise.
4495 * hsa-brig.c (hsa_cdtor_statements): Removed.
4496 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
4497 hsa_get_dtor_statements.
4498 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
4499 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
4501 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
4503 * config/arm/arm-cores.def (cortex-r8): New.
4504 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
4505 * config/arm/arm-tune.md: Likewise.
4506 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
4508 2016-03-07 Martin Sebor <msebor@redhat.com>
4510 PR rtl-optimization/19705
4511 * doc/invoke.texi (Options That Control Optimization): Clarify
4512 -fno-branch-count-reg.
4514 2016-02-26 Richard Biener <rguenther@suse.de>
4515 Jeff Law <law@redhat.com>
4517 PR tree-optimization/69740
4518 * cfghooks.c (remove_edge): Request loop fixups if we delete
4519 an edge that might turn an irreducible loop into a natural
4521 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
4522 Move after definition of loops_state_clear.
4524 2016-03-07 Bin Cheng <bin.cheng@arm.com>
4526 PR rtl-optimization/69052
4527 * rtlanal.c (commutative_operand_precedence): Set higher precedence
4530 2016-03-07 Tom de Vries <tom@codesourcery.com>
4532 PR tree-optimization/70116
4533 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
4534 is_tm_ending stmts and ubsan/asan internal functions.
4535 (find_duplicate): Use it. Don't test is_tm_ending here.
4537 2016-03-07 Richard Biener <rguenther@suse.de>
4539 PR tree-optimization/70115
4540 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
4541 (propagate_constants_for_unrolling): Use replace_uses_by.
4543 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
4546 * omp-low.c (struct oacc_loop): Add ifns.
4547 (new_oacc_loop_raw): Initialize it.
4548 (finish_oacc_loop): Clear mask & flags if no ifns.
4549 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
4550 (oacc_loop_xform_loop): Add ifns arg & adjust.
4551 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
4553 2016-03-07 Richard Henderson <rth@redhat.com>
4556 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
4557 (insert_value_copy_on_edge): Likewise.
4559 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4561 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
4563 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4566 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
4568 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
4570 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
4572 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
4574 Fix sseimul type attribute.
4575 * config/i386/znver1.md
4576 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
4577 znver1_sseimul_avx256_load) : Fix the type attribute.
4578 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
4579 pipe usage and latency.
4581 2016-03-05 Jakub Jelinek <jakub@redhat.com>
4584 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4585 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4588 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4591 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4593 PR rtl-optimization/69941
4594 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4595 the reg share its mode.
4597 2016-03-04 Jeff Law <law@redhat.com>
4599 PR tree-optimization/69196
4600 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4601 If the both SSA_NAMEs are anonymous, then consider them unassociated
4602 and include the PHI in the statement count.
4604 2016-03-05 Tom de Vries <tom@codesourcery.com>
4606 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4607 construct in oacc routine. Check for oacc region in oacc routine.
4609 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4612 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
4613 2016-02-22 changes, instead don't recurse if RECUR is already true.
4614 Don't change *dynamic_check if RECUR. Adjust recursive caller
4615 to pass true to the new argument.
4616 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4619 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4620 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4622 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
4624 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4626 PR rtl-optimization/57676
4627 * lra-assigns.c (lra_assign): Guard test for maximum iterations
4630 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
4632 * tree-vect-patterns.c (search_type_for_mask): Handle
4633 comparison of booleans.
4635 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4637 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4641 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4642 all other ops that have dw_val_class_die_ref operands,
4643 and DW_OP_GNU_entry_value.
4645 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4647 PR rtl-optimization/69904
4648 * config/arm/arm.c (arm_cannot_copy_insn_p):
4649 Return true for load-exclusive instructions.
4651 2016-03-03 Jakub Jelinek <jakub@redhat.com>
4654 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4655 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4656 the pattern no matter if it is used just by non-pattern, pattern
4658 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4659 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4660 oprnd1 def_stmt is in pattern, don't look through it.
4662 2016-03-03 Marek Polacek <polacek@redhat.com>
4665 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4667 2016-03-03 Martin Liska <mliska@suse.cz>
4669 PR tree-optimization/70043
4670 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4671 previous statement if we see a debug statement.
4673 2016-03-03 Richard Biener <rguenther@suse.de>
4675 PR tree-optimization/55936
4676 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4677 parameter and guard unsafe equivalence use.
4678 (vrp_evaluate_conditional_warnv_with_ops): Always use
4679 safe equivalences but not via the quadratic compare_names
4682 2016-03-03 Michael Collison <michael.collison@linaro.org>
4685 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4686 for operand 1 to s_register_operand. Change predicate for operand
4687 2 to arm_not_immediate_operand.
4689 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
4691 * doc/tm.texi: Regenerated.
4693 2016-03-02 Richard Henderson <rth@redhat.com>
4696 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4697 simplification when all args are positive non-fixed registers.
4699 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4701 * target.def (lra_p): Specify that new ports should use LRA.
4703 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4706 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4707 gimplify_type_sizes the type they refer to.
4708 (omp_notice_variable): Handle reference vars to VLAs.
4709 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4710 reference to VLA decls in the second pass instead of first pass.
4712 2016-03-02 Tom de Vries <tom@codesourcery.com>
4714 PR tree-optimization/68659
4715 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4716 new_expr == NULL_TREE.
4717 (get_new_name): Handle ADDR_EXPR.
4719 2016-03-02 Bin Cheng <bin.cheng@arm.com>
4721 PR rtl-optimization/69052
4722 * loop-invariant.c (canonicalize_address): New function.
4723 (inv_can_prop_to_addr_use): Check validity of address expression
4724 which is canonicalized by above function.
4726 2016-03-02 Alan Modra <amodra@gmail.com>
4729 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4732 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4735 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4736 (*movhi_internal): Put mask moves from and to memory separately
4737 from moves from/to GPRs.
4739 2016-03-02 Richard Biener <rguenther@suse.de>
4741 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4742 GENERIC expressions in GIMPLE.
4744 2016-03-02 Richard Biener <rguenther@suse.de>
4746 * config/i386/i386.c (type_natural_mode): Fix typo.
4748 2016-03-02 Nick Clifton <nickc@redhat.com>
4750 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4752 2016-03-02 Richard Biener <rguenther@suse.de>
4753 Uros Bizjak <ubizjak@gmail.com>
4756 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4758 2016-03-02 Richard Biener <rguenther@suse.de>
4761 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4763 2016-03-02 Marek Polacek <polacek@redhat.com>
4766 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4767 "is promoted to" warning.
4769 2016-03-01 DJ Delorie <dj@redhat.com>
4771 * config.gcc: Deprecate mep-*.
4773 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
4776 * lra-constraints.c (regno_val_use_in): New.
4777 (match_reload): Use it instead of regno_use_in.
4779 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4781 PR rtl-optimization/70007
4782 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4783 references present in REG_EQUAL notes attached to non-SET patterns.
4785 2016-03-01 Jeff Law <law@redhat.com>
4787 PR tree-optimization/69196
4788 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4789 Appropriately clamp the number of statements to copy when the
4790 thread path does not traverse a loop backedge.
4792 PR tree-optimization/69196
4793 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4794 Do count some PHIs in the thread path against the insn count. Decrease
4795 final statement count by one as the control statement in the last
4796 block will get removed. Remove special cased code for handling PHIs
4799 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
4802 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4803 asm dialect alternatives to explicit GOTPCREL calls.
4805 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4808 * ira.c (do_reload): Issue warning for generic stack checking here...
4809 * reload1.c (reload): ...instead of here and streamline it.
4811 2016-03-01 Nick Clifton <nickc@redhat.com>
4813 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4815 2016-03-01 Richard Biener <rguenther@suse.de>
4817 PR tree-optimization/69983
4818 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4819 types and fall back to operand_equal_p.
4821 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4824 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4826 * config/s390/constraints.md ("jm8"): New constraint.
4827 * config/s390/predicates.md ("const_int_8bitset_operand"): New
4829 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4831 ("*setmem_long<setmem_and>"): New pattern.
4832 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4834 ("*setmem_long_31z<setmem_and>"): New pattern.
4835 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4836 New substitution rules with the required attributes.
4839 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4842 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4844 * gensupport.c (process_substs_on_one_elem): Split loop to
4845 complete mark_operands_used_in_match_dup on all expressions in the
4847 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4848 and remove function.
4850 2016-03-01 Richard Biener <rguenther@suse.de>
4853 * fold-const.c (fold_indirect_ref_1): Fix range checking for
4854 vector BIT_FIELD_REF extract.
4856 2016-03-01 Richard Biener <rguenther@suse.de>
4858 PR tree-optimization/69994
4859 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4861 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
4863 PR tree-optimization/69956
4864 * tree-vect-stmts.c (supportable_widening_operation): Support
4865 multi-step conversion of boolean vectors.
4866 (supportable_narrowing_operation): Likewise.
4868 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4870 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4873 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4875 * config/s390/subst.md (DSI_VI): New mode iterator.
4876 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4877 * config/s390/vector.md ("vec_set<mode>"): Move expander before
4878 the insn definition.
4879 ("*vec_set<mode>"): Change predicate and add alternative to
4880 support only either register or const_int operands as element
4882 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4884 ("vec_extract<mode>"): New expander.
4885 ("*vec_extract<mode>"): New insn definition supporting reg and
4886 const_int element selectors.
4887 ("*vec_extract<mode>_plus"): New insn definition supporting
4888 reg+const_int element selectors.
4889 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4890 following expander+insn definition.
4891 ("<vec_shifts_name><mode>3"): New expander.
4892 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4894 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4896 * config/s390/s390.md ("*tabort_1"): Change predicate to
4897 nonmemory_operand. Add a second alternative to cover
4898 register as well as const int operands.
4899 ("*tabort_1_plus"): New pattern definition.
4901 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4903 * config/s390/s390.md ("*ashrdi3_cc_31")
4904 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4905 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4906 Merge insn definitions into ...
4907 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4908 New pattern definition.
4909 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4910 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4911 ("*ashr<mode>3_and"): Merge insn definitions into ...
4912 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4913 New pattern definition.
4914 * config/s390/subst.md ("addr_style_op_cc_subst")
4915 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4916 substitutions patterns plus attributes.
4917 Add ashiftrt to SUBST iterator.
4919 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4921 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4922 op2 to nonmemory_operand.
4923 ("*<shift>di3_31", "*<shift>di3_31_and"):
4924 Merge into single pattern definition ...
4925 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4926 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4927 pattern definition ...
4928 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4929 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4932 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4934 * config/s390/predicates.md (const_int_6bitset_operand): New
4936 * config/s390/s390.md: Include subst.md.
4937 ("rotl<mode>3"): New expander.
4938 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4940 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4941 * config/s390/subst.md: New file.
4943 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4945 * config/s390/s390.md ("op_type", "atype", "length" attributes):
4946 Remove RRR type. It doesn't really exist.
4947 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4949 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4950 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4951 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4952 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4953 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4954 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4955 `enabled' attribute.
4957 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4959 * gensupport.c (process_substs_on_one_elem): Split loop to
4960 complete mark_operands_used_in_match_dup on all expressions in the
4962 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4963 and remove function.
4965 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4968 * config/sparc/sparc.c (NWORDS_UP): Rename to...
4969 (CEIL_NWORDS): ...this. Use CEIL macro.
4970 (compute_fp_layout): Adjust to above renaming.
4971 (function_arg_union_value): Likewise.
4972 (sparc_arg_partial_bytes): Likewise.
4973 (sparc_function_arg_advance): Likewise.
4975 2016-02-29 Jeff Law <law@redhat.com>
4977 PR tree-optimization/70005
4978 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4979 where an object with a boolean range is compared against a value
4982 PR tree-optimization/69999
4983 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4984 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4987 2016-02-29 Richard Biener <rguenther@suse.de>
4989 PR tree-optimization/69994
4990 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4991 (get_unary_op): Look through nop conversions.
4992 (ops_equal_values_p): New function, look for equality diregarding
4994 (eliminate_plus_minus_pair): Use ops_equal_values_p
4995 (repropagate_negates): Do not use get_unary_op here.
4997 2016-02-29 Martin Liska <mliska@suse.cz>
4999 * system.h: Poison ENABLE_CHECKING macro.
5001 2016-02-29 Martin Liska <mliska@suse.cz>
5003 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
5004 is presented in dump flags.
5005 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
5006 (hsa_regalloc): Likewise.
5008 2016-02-19 Richard Biener <rguenther@suse.de>
5010 PR tree-optimization/69980
5011 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
5012 permutation of those we need to keep.
5014 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
5017 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
5018 (NWORDS_UP): ...this
5019 (init_cumulative_args): Minor tweaks.
5020 (sparc_promote_function_mode): Likewise.
5021 (scan_record_type): Delete.
5022 (traverse_record_type): New function template.
5023 (classify_data_t): New structure type.
5024 (classify_registers): New inline function.
5025 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
5026 exhausted. Instantiate traverse_record_type on classify_registers and
5027 deal with the case of a structure passed in slot #15 with no FP field
5029 (assign_data_t): New structure type.
5030 (compute_int_layout): New static function.
5031 (compute_fp_layout): Likewise.
5032 (count_registers): New inline function.
5033 (assign_int_registers): New static function.
5034 (assign_fp_registers): Likewise.
5035 (assign_registers): New inline function.
5036 (function_arg_record_value_1): Delete.
5037 (function_arg_record_value_2): Likewise.
5038 (function_arg_record_value_3): Likewise.
5039 (function_arg_record_value): Adjust to above changes. Instantiate
5040 traverse_record_type on count_registers to first count the number of
5041 registers to be used and then on assign_registers to assign them.
5042 (function_arg_union_value): Adjust to above renaming.
5043 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
5044 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
5045 case of a structure passed in slot #15
5046 (sparc_function_arg_advance): Likewise.
5047 (function_arg_padding): Minor tweak.
5049 2016-02-29 Richard Biener <rguenther@suse.de>
5051 PR tree-optimization/69720
5052 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
5053 the adjustment_def path for possibly vectorized defs.
5054 (vect_create_epilog_for_reduction): Handle vectorized initial
5057 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
5059 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
5061 2016-02-27 Jeff Law <law@redhat.com>
5064 2016-02-26 Richard Biener <rguenther@suse.de>
5065 Jeff Law <law@redhat.com>
5067 PR tree-optimization/69740
5068 * cfghooks.c (remove_edge): Request loop fixups if we delete
5069 an edge that might turn an irreducible loop into a natural
5072 2016-02-27 Jakub Jelinek <jakub@redhat.com>
5074 PR rtl-optimization/69896
5075 * tree-vect-generic.c (get_compute_type): Avoid single element
5078 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
5080 Rename the AArch64 tuning option and related functions to enable the
5081 Newton series for the reciprocal square root to reflect its
5082 approximative characteristic.
5084 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
5085 function to "aarch64_emit_approx_rsqrt".
5086 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
5087 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
5088 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
5089 (xgene1_tunings): Likewise.
5090 (use_rsqrt_p): Likewise.
5091 (aarch64_emit_swrsqrt): Use new function name.
5092 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
5093 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
5094 text explaining this option.
5095 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
5097 2016-02-26 Jakub Jelinek <jakub@redhat.com>
5100 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
5101 complain about -mallow-movmisalign without -mvsx if
5102 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
5104 2016-02-26 Joel Sherrill <joel@rtems.org>
5106 * config.gcc: Add x86_64-*-rtems*.
5107 * gcc/config/i386/rtems-64.h: New file.
5109 2016-02-26 Joel Sherrill <joel@rtems.org>
5111 * config.gcc: Add aarch64-*-rtems*.
5112 * gcc/config/aarch64/rtems.h: New file.
5114 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
5117 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
5118 shift amount using %h. Add comment.
5120 2016-02-26 Richard Biener <rguenther@suse.de>
5121 Jeff Law <law@redhat.com>
5123 PR tree-optimization/69740
5124 * cfghooks.c (remove_edge): Request loop fixups if we delete
5125 an edge that might turn an irreducible loop into a natural
5128 2016-02-26 Martin Jambor <mjambor@suse.cz>
5131 * tree-sra.c (sra_modify_assign): Do not remove loads of
5132 uninitialized aggregates to SSA_NAMEs.
5134 2016-02-26 Richard Henderson <rth@redhat.com>
5137 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
5138 pseudo in case the target rtx matches the source of the left
5141 2016-02-26 Martin Jambor <mjambor@suse.cz>
5144 * hsa.h (hsa_type_packed_p): Declare.
5145 * hsa.c (hsa_type_packed_p): New function.
5146 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
5148 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
5149 * hsa-brig.c (emit_basic_insn): Likewise.
5151 2016-02-26 Martin Jambor <mjambor@suse.cz>
5154 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
5156 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
5158 2016-02-26 Martin Jambor <mjambor@suse.cz>
5160 * hsa.h (is_a_helper): New overload for hsa_op_immed for
5161 hsa_op_with_type operands.
5162 (hsa_unsigned_type_for_type): Declare.
5163 * hsa.c (hsa_unsigned_type_for_type): New function.
5164 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
5165 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
5166 the finalizer. Do not emit extra move.
5168 2016-02-26 Martin Jambor <mjambor@suse.cz>
5170 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
5171 atomic operations in private segment.
5173 2016-02-26 Martin Jambor <mjambor@suse.cz>
5175 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
5176 statements to wi->info. Also disallow omp simd constructs.
5177 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
5178 for not gridifying. Dump special string for omp_for.
5180 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5183 * config/aarch64/aarch64.c (aarch64_set_current_function):
5184 Save/restore target globals when switching to
5185 target_option_default_node.
5187 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5190 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
5191 Return 0 if !SHIFT_COUNT_TRUNCATED.
5193 2016-02-26 Jakub Jelinek <jakub@redhat.com>
5194 Eric Botcazou <ebotcazou@adacore.com>
5196 PR rtl-optimization/69891
5197 * dse.c (scan_insn): If we can't figure out memset arguments
5198 or they are non-constant, call clear_rhs_from_active_local_stores.
5200 2016-02-26 Martin Liska <mliska@suse.cz>
5202 * doc/extend.texi: Mention clog10, clog10f an clog10l
5203 in Builtins section.
5205 2016-02-26 Martin Liska <mliska@suse.cz>
5207 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
5209 (resolve_args_picking_1): Likewise.
5210 * dwarf2out.h (struct GTY): Likewise.
5212 2016-02-26 Martin Liska <mliska@suse.cz>
5214 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
5216 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
5218 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
5219 Martin Liska <mliska@suse.cz>
5221 * doc/install.texi: Mention --enable-valgrind-annotations.
5223 2016-02-26 Richard Biener <rguenther@suse.de>
5225 PR tree-optimization/69551
5226 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
5227 looking through aliases adjust DECL_PT_UID to refer to the
5228 ultimate alias target.
5230 2016-02-25 Martin Liska <mliska@suse.cz>
5233 * alloc-pool.c (after_memory_report): New variable.
5234 * alloc-pool.h (base_pool_allocator ::release): Do not use
5235 the infrastructure if after_memory_report.
5236 * toplev.c (toplev::main): Mark after memory report.
5238 2016-02-25 Richard Biener <rguenther@suse.de>
5240 PR tree-optimization/48795
5241 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
5243 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
5246 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
5247 offloading is enabled and -fopenacc or -fopenmp is specified.
5248 (CRTOFFLOADEND): Likewise.
5249 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
5250 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
5251 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
5252 (offload_objects_file_name): New static var.
5253 (tool_cleanup): Remove offload_objects_file_name file.
5254 (find_offloadbeginend): Replace with ...
5255 (find_crtoffloadtable): ... this.
5256 (run_gcc): Remove offload_argc and offload_argv.
5257 Get offload_objects_file_name from -foffload-objects=... option.
5258 Read names of object files with offload from this file, pass them to
5259 compile_images_for_offload_targets. Don't call find_offloadbeginend and
5260 don't pass offloadbegin and offloadend to the linker. Don't pass
5261 offload non-LTO files to the linker, because now they're not claimed.
5263 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
5266 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
5267 on builtin_unreachable.
5269 2016-02-25 Jakub Jelinek <jakub@redhat.com>
5271 PR rtl-optimization/69896
5272 * regcprop.c: Include cfgrtl.h.
5273 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
5274 than remembered mode, either delete it (if noop_move_p), or
5275 treat like copy_p but not noop_p instruction.
5277 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5280 * dwarf2out.c (gen_variable_die): Work around buggy LTO
5281 - allow NULL decl for Fortran DW_TAG_common_block variables.
5283 2016-02-24 Jason Merrill <jason@redhat.com>
5285 * common.opt (flifetime-dse): Add -flifetime-dse=1.
5287 2016-02-24 Richard Biener <rguenther@suse.de>
5288 Jakub Jelinek <jakub@redhat.com>
5291 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
5292 conditionally executed ops to well-defined overflow behavior.
5294 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5297 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
5300 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5302 PR rtl-optimization/69886
5303 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
5304 argument. Use it when checking validity of set instructions.
5305 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
5306 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
5308 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
5309 * store-motion.c (find_moveable_store): Update
5310 can_assign_to_reg_without_clobbers_p callsite.
5312 2016-02-24 Richard Biener <rguenther@suse.de>
5315 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
5317 (record_nonwrapping_iv): Do not fall back to the low/high bound
5318 for non-constant IV bases if the stmt is not always executed.
5320 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5322 * config/arm/arm-cores.def (cortex-a32): New entry.
5323 * config/arm/arm-tables.opt: Regenerate.
5324 * config/arm/arm-tune.md: Regenerate.
5325 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
5326 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
5327 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
5328 for -mcpu and -mtune.
5330 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5333 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
5334 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
5335 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
5336 (atomic_loaddi_1): Delete.
5337 (atomic_loaddi): Rewrite expander using the above changes.
5339 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5342 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
5345 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5346 Richard Biener <rguenth@suse.de>
5349 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
5350 set_mem_attributes if tem is SSA_NAME which got expanded
5353 2016-02-24 Richard Biener <rguenther@suse.de>
5355 PR tree-optimization/69907
5356 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
5357 end of permutations for BB vectorization.
5359 2016-02-24 Christian Bruel <christian.bruel@st.com>
5361 * config/arm/arm-c.c (arm_option_override): Initialize
5362 target_option_current_node.
5363 * config/arm/arm.c (arm_pragma_target_parse): Replace
5364 build_target_option_node call by target_option_current_node.
5365 Set target_option_current_node.
5368 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
5371 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
5372 define_insn_and_split to define_insn.
5373 (zero_extendqi<mode>2_dot2): Same.
5374 (extendqi<mode>2_dot): Same.
5375 (extendqi<mode>2_dot2): Same.
5377 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
5379 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
5380 and add bypass for AES{D,E} and AESMC pairs.
5381 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
5384 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
5386 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
5387 series for reciprocal square root in Exynos M1.
5389 2016-02-23 Martin Sebor <msebor@redhat.com>
5392 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
5393 __builtin_alloca_with_align.
5395 2016-02-23 Richard Henderson <rth@redhat.com>
5397 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
5398 (ix86_register_pragmas): Remove __seg_tls.
5399 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
5400 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
5401 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
5402 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
5403 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
5404 * doc/extend.texi (__seg_tls): Remove item.
5406 2016-02-23 Richard Biener <rguenther@suse.de>
5408 * alloc-pool.h (struct allocation_object): Make id member
5409 conditional on CHECKING_P again.
5410 (get_instance): Adjust.
5411 (base_pool_allocator): Likewise.
5413 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
5415 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
5416 (parallelize_loops): In OpenACC kernels mode, set n_threads to
5418 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
5420 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
5422 2016-02-23 Richard Biener <rguenther@suse.de>
5424 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
5425 * bitmap.h (struct bitmap_usage): Likewise.
5426 (bitmap_move): Declare.
5427 * bitmap.c (register_overhead): Take size_t argument.
5428 (bitmap_move): New function.
5429 * df-problems.c (df_rd_transfer_function): Use bitmap_move
5430 to properly account overhead.
5431 * tree.c (free_node): Use tree_size.
5433 2016-02-23 Jakub Jelinek <jakub@redhat.com>
5436 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
5437 when inverting comparison.
5440 * common.opt (Wunreachable-code): Add Warning flag.
5442 2016-02-23 Mark Wielaard <mjw@redhat.com>
5443 Jakub Jelinek <jakub@redhat.com>
5446 * cgraphunit.c (check_global_declaration): Check main_input_filename
5447 and DECL_SOURCE_FILE are not NULL.
5449 2016-02-23 Martin Jambor <mjambor@suse.cz>
5451 PR tree-optimization/69666
5452 * tree-sra.c (sra_modify_assign): Do not attempt to create
5453 default_def replacements for unscalarizable regions.
5455 2016-02-20 Mark Wielaard <mjw@redhat.com>
5458 * cgraphunit.c (check_global_declaration): Check level of
5459 warn_unused_const_variable and main_input_filename.
5460 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
5461 (-Wunused-variable): For C implies -Wunused-const-variable=1.
5462 (-Wunused-const-variable): Explain levels 1 and 2.
5464 2016-02-22 Jakub Jelinek <jakub@redhat.com>
5467 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
5468 identical arguments. Formatting and spelling fixes.
5471 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
5476 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
5477 and m68k-devices.def.
5478 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
5479 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
5481 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
5483 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
5484 and HImode registers.
5486 2016-02-22 Richard Biener <rguenther@suse.de>
5488 PR tree-optimization/69882
5489 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5490 preserve permutations present because of gaps.
5491 (vect_supported_load_permutation_p): Always continue checking
5492 permutations after vect_attempt_slp_rearrange_stmts.
5494 2016-02-22 Bin Cheng <bin.cheng@arm.com>
5496 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
5497 min_profitable_estimate, rather than min_profitable_iters.
5499 2016-02-22 Jakub Jelinek <jakub@redhat.com>
5502 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
5503 SImode for last match_operand.
5505 2016-02-22 Martin Liska <mliska@suse.cz>
5507 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
5508 return bitsize - 1 as the return value.
5510 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
5514 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
5515 Handle negative shift counts.
5516 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
5517 force_reg on the shift constant.
5518 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
5519 (lshrsi3_d): Handle negative shift counts.
5521 2016-02-22 Richard Biener <rguenther@suse.de>
5522 Tom de Vries <tom@codesourcery.com>
5524 * graph.c: Include dumpfile.h.
5525 (print_graph_cfg): Split into three overloads.
5526 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
5528 2016-02-22 Tom de Vries <tom@codesourcery.com>
5530 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
5533 2016-02-22 Richard Biener <rguenther@suse.de>
5536 * ipa-inline-transform.c (inline_call): When not updating
5537 overall summaries adjust self size by the growth estimate.
5538 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
5539 hash-set, do not update overall summaries here. Renamed from ...
5540 (inline_to_all_callers): ... this which is now wrapping the
5541 above and performing delayed overall summary update.
5542 (early_inline_small_functions): Delay updating of the overall
5545 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
5547 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
5550 2016-02-19 Jakub Jelinek <jakub@redhat.com>
5553 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
5554 :%* in %:gt() argument.
5555 (greater_than_spec_func): Adjust for expecting only numbers,
5556 if there are more than two numbers, compare the last two.
5558 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
5560 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
5561 -Wnarrowing with -std.
5563 2016-02-19 Jakub Jelinek <jakub@redhat.com>
5566 * expr.c (store_field): Don't use bit-field path if exp is
5567 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
5568 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
5569 and the assignment can be performed by bitwise copy. Formatting
5573 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
5574 call copy_reg_eh_region_note_forward on before and/or after sequences
5575 and remove note from insn if it no longer can throw.
5578 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
5581 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5583 * config/s390/vector.md: Add missing commutative operand markers
5584 to the patterns which qualify for one.
5585 * config/s390/vx-builtins.md: Likewise.
5587 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5589 * config/s390/vector.md (VI, VI_QHS): Add single element vector
5590 types to mode iterators.
5591 (vec_double): ... and mode attribute.
5592 * config/s390/vx-builtins.md (non_vec_int): Likewise.
5594 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5596 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5597 Change the predicate of op2 from nonimmediate to general and let
5598 reload fix it if necessary.
5600 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5602 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5604 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5606 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5609 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5611 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5612 * config/s390/s390.c (s390_expand_vec_movstr): New function.
5613 * config/s390/s390.md ("movstr<P:mode>"): Call
5614 s390_expand_vec_movstr.
5616 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5618 * config/s390/s390.md: Add missing output modifier for operand 1
5619 to print it as address properly.
5621 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5623 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5624 * config/s390/2964.md: New file.
5625 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5626 of insn grouping attributes depending on the CPU level.
5627 (s390_get_unit_mask): New function.
5628 (s390_sched_score): Remove the OOO from the scheduling macros.
5629 Add loop to calculate a score for the instruction mix.
5630 (s390_sched_reorder): Likewise plus improve debug output.
5631 (s390_sched_variable_issue): Rename macros as above. Calculate
5632 the unit distances after actually scheduling an insn. Improve
5634 (s390_sched_init): Clear last_scheduled_unit_distance array.
5635 * config/s390/s390.md: Include 2964.md.
5637 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5640 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5641 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5642 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5643 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5644 *avx512f_<code>v8div16qi2_mask_1): New insns.
5646 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
5649 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5652 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5653 earlyclobber from target. Use wF constraint for fused memory
5655 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5657 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5658 Martin Liska <mliska@suse.cz>
5661 * cfgexpand.c (asan_sanitize_stack_p): New function.
5662 (partition_stack_vars): Use the function.
5663 (expand_stack_vars): Likewise.
5664 (defer_stack_allocation): Likewise.
5665 (expand_used_vars): Likewise.
5667 2016-02-18 Richard Biener <rguenther@suse.de>
5670 * fold-const.c (operand_equal_p): Properly compare offsets for
5671 IMAGPART_EXPR and ARRAY_REF.
5673 2016-02-18 Nick Clifton <nickc@redhat.com>
5677 * config/arm/arm.c (arm_option_override_internal): Disable
5678 interworking if the target does not support thumb instructions.
5679 (arm_reload_in_hi): Handle the case where a register to register
5680 move needs reloading because there is no simple pattern to handle
5682 (arm_reload_out_hi): Likewise.
5684 2016-02-18 Richard Biener <rguenther@suse.de>
5687 * match.pd: Don't use fold_binary or fold_unary for folding
5690 2016-02-17 Jakub Jelinek <jakub@redhat.com>
5693 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5694 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5695 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5696 warn on gimple_no_warning_p statements.
5698 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
5700 * doc/extend.texi (C++ Attributes): Correct description of
5701 warn_unused type attribute.
5703 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5705 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5706 correct instruction.
5708 2016-02-17 Richard Biener <rguenther@suse.de>
5710 PR rtl-optimization/69609
5711 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5712 (find_traces_1_round): When ending a trace update cached priority
5714 (bb_to_key): Use cached priority when available.
5715 (copy_bb): Initialize cached priority.
5716 (reorder_basic_blocks_software_trace_cache): Likewise.
5718 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5721 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5723 (aarch64_comparison_operator): Break overly long line into two.
5724 (aarch64_comparison_operation): Likewise.
5725 * config/aarch64/aarch64.md (cstorecc4): Use
5726 aarch64_comparison_operator_mode instead of
5727 aarch64_comparison_operator.
5728 (cstore<mode>4): Likewise.
5729 (aarch64_cstore<mode>): Likewise.
5730 (*cstoresi_insn_uxtw): Likewise.
5731 (cstore<mode>_neg): Likewise.
5732 (*cstoresi_neg_uxtw): Likewise.
5734 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5737 * config/arm/predicates.md (arm_comparison_operator_mode):
5739 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5740 instead of arm_comparison_operator.
5741 (*mov_negscc): Likewise.
5742 (*mov_notscc): Likewise.
5743 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5744 (*thumb2_mov_negscc): Likewise.
5745 (*thumb2_mov_negscc_strict_it): Likewise.
5746 (*thumb2_mov_notscc): Likewise.
5747 (*thumb2_mov_notscc_strict_it): Likewise.
5749 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
5751 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5754 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
5756 * config/visium/visium.c (machine_libfunc_index): New enum.
5757 (machine_libfuncs): New structure.
5758 (visium_libfuncs): New static variable.
5759 (TARGET_INIT_LIBFUNCS): Define to...
5760 (visium_init_libfuncs): ...this. New function.
5761 (expand_block_move_4): Use the appropriate libfunc.
5762 (expand_block_move_2): Likewise.
5763 (expand_block_move_1): Likewise.
5764 (expand_block_set_4): Likewise.
5765 (expand_block_set_2): Likewise.
5766 (expand_block_set_1): Likewise.
5767 (visium_trampoline_init): Likewise.
5769 2016-02-17 Nick Clifton <nickc@redhat.com>
5771 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5772 TI's devices.csv file as of March 2016.
5774 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
5777 * opts-global.c (handle_common_deferred_options): Introduce and
5778 initialize two global variables to remember command-line options
5779 specifying a stack-limiting register.
5780 * opts.h: Add extern declarations of the two new global variables.
5781 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5782 variable based on the values of the two new global variables.
5784 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5787 * common.opt (Wnonnull-compare): New warning.
5788 * doc/invoke.texi (-Wnonnull): Remove text about comparison
5789 of arguments against NULL.
5790 (-Wnonnull-compare): Document.
5791 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5792 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5793 * passes.def (pass_warn_nonnull_compare): Add.
5794 * gimple-ssa-nonnull-compare.c: New file.
5796 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5798 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5799 AARCH64_EXTRA_TUNE_RECIP_SQRT.
5801 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5803 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5804 reciprocal sqrt for -mlow-precision-recip-sqrt.
5806 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5807 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5809 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5810 always use lane loads to construct non-constant vectors.
5812 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5814 * config/aarch64/aarch64.md
5815 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5816 constraints for operand 3.
5817 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5819 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5820 Richard Biener <rguenther@suse.de>
5822 PR tree-optimization/69820
5823 * tree-vect-patterns.c (type_conversion_p): Return false if
5824 *orig_type is unsigned single precision or boolean.
5825 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5828 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5830 PR rtl-optimization/69764
5831 PR rtl-optimization/69771
5832 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5833 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5835 2016-02-16 Richard Biener <rguenther@suse.de>
5837 PR tree-optimization/69776
5838 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5840 (indirect_refs_may_alias_p): Likewise.
5841 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5842 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5843 according to tbaa_p.
5844 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5845 (optimize_stmt): For redundant store discovery do not allow tbaa.
5847 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
5849 PR tree-optimization/69714
5850 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5851 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5853 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
5855 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5856 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5857 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5858 * config/arc/arc.c (arc_init): Check FPU options.
5859 (get_arc_condition_code): Handle new CC_FPU* modes.
5860 (arc_select_cc_mode): Likewise.
5861 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5862 register pair only. Allow access for ARCv2 accumulator.
5863 (gen_compare_reg): Whenever we have FPU support use FPU compare
5865 (arc_reorg): Don't generate brcc insns when FPU compare
5866 instructions are involved.
5867 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5868 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5869 floating point emulation.
5870 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5871 (REVERSE_CONDITION): Add new CC_FPU* modes.
5872 (TARGET_FP_SP_BASE): Define.
5873 (TARGET_FP_DP_BASE): Likewise.
5874 (TARGET_FP_SP_FUSED): Likewise.
5875 (TARGET_FP_DP_FUSED): Likewise.
5876 (TARGET_FP_SP_CONV): Likewise.
5877 (TARGET_FP_DP_CONV): Likewise.
5878 (TARGET_FP_SP_SQRT): Likewise.
5879 (TARGET_FP_DP_SQRT): Likewise.
5880 (TARGET_FP_DP_AX): Likewise.
5881 * config/arc/arc.md (ARCV2_ACC): New constant.
5882 (type): New fpu type attribute.
5883 (SDF): Conditional iterator.
5884 (cstore<mode>, cbranch<mode>): Change expand condition.
5885 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5886 handles FPU/FPX cases as well.
5887 * config/arc/arc.opt (mfpu): New option.
5888 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5890 (adddf3, muldf3, subdf3): Removed.
5891 * config/arc/predicates.md (proper_comparison_operator): Recognize
5893 * config/arc/fpu.md: New file.
5894 * doc/invoke.texi (ARC Options): Document mfpu option.
5896 2016-02-16 Richard Biener <rguenther@suse.de>
5898 PR rtl-optimization/69291
5899 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5900 noce_operand_ok check.
5902 2016-02-16 Tom de Vries <tom@codesourcery.com>
5905 * omp-low.c (simd_clone_create): Remove call to
5906 symtab->call_cgraph_insertion_hooks.
5908 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5910 PR tree-optimization/69802
5911 * tree-ssa-reassoc.c (update_range_test): If op is
5912 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5913 op == 1 test of precision 1 integral op, otherwise handle
5914 that case as op itself. Fix up formatting.
5915 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5918 2016-02-16 Richard Biener <rguenther@suse.de>
5920 PR tree-optimization/69586
5921 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5922 types for conversion sources.
5924 2016-02-16 Richard Biener <rguenther@suse.de>
5927 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5928 mask OEP_ADDRESS_OF.
5930 2016-02-16 Alan Modra <amodra@gmail.com>
5933 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5934 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5935 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5937 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5938 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5939 (p8_fmrgow_<mode>): Likewise.
5940 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
5942 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5943 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5944 to use movdi_internal64. Remove op0_di.
5945 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5947 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
5949 Add support for the FCCMP insn types
5951 * config/aarch64/aarch64.md (fccmp): Change insn type.
5953 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5954 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5955 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5956 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5957 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5958 * config/arm/types.md (fccmps): Add new insn type.
5961 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
5963 * alias.c (get_alias_set): Fix a typo in comment.
5965 2016-02-15 Richard Biener <rguenther@suse.de>
5967 PR tree-optimization/69595
5968 * match.pd: Complete range test simplification to true.
5970 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
5972 PR rtl-optimization/69648
5973 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5974 pic_offset_table_rtx.
5976 PR rtl-optimization/69752
5977 * ira.c (update_equiv_regs): When looking for more than a single SET,
5978 also take other side effects into account.
5980 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5982 * config/s390/s390.c (s390_function_profiler): Add a new sequence
5983 for z900+ CPUs in 31-bit mode.
5985 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5987 * common/config/s390/s390-common.c (s390_supports_split_stack):
5989 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5990 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5991 * config/s390/s390.c (struct machine_function): New field
5992 split_stack_varargs_pointer.
5993 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5994 in s390_emit_prologue.
5995 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5997 (morestack_ref): New global.
5998 (SPLIT_STACK_AVAILABLE): New macro.
5999 (s390_expand_split_stack_prologue): New function.
6000 (s390_live_on_entry): New function.
6001 (s390_va_start): Use split-stack vararg pointer if appropriate.
6002 (s390_asm_file_end): Emit the split-stack note sections.
6003 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
6004 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
6005 (UNSPECV_SPLIT_STACK_CALL): New unspec.
6006 (UNSPECV_SPLIT_STACK_DATA): New unspec.
6007 (split_stack_prologue): New expand.
6008 (split_stack_space_check): New expand.
6009 (split_stack_data): New insn.
6010 (split_stack_call): New expand.
6011 (split_stack_call_*): New insn.
6012 (split_stack_cond_call): New expand.
6013 (split_stack_cond_call_*): New insn.
6015 2016-02-15 Richard Biener <rguenther@suse.de>
6017 PR tree-optimization/69783
6018 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6019 Add trivially correct cases.
6021 2016-02-15 Tom de Vries <tom@codesourcery.com>
6024 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
6026 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
6028 2016-02-15 Richard Biener <rguenther@suse.de>
6030 PR tree-optimization/69776
6031 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
6032 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
6033 indicate whether we can use TBAA to disambiguate against stores.
6034 Use alias-set zero if not.
6035 (visit_reference_op_store): Do not use TBAA when looking up
6037 * tree-ssa-pre.c (compute_avail): Use TBAA here.
6038 (eliminate_dom_walker::before_dom_children): But not when looking
6039 up redundant stores.
6041 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
6043 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
6045 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
6047 * config/i386/znver1.md
6048 (znver1_pop, znver1_pop_mem,
6049 znver1_load_imov_double_store,
6050 znver1_load_imov_direct_store,
6051 znver1_load_imov_direct_load,
6052 znver1_load_imov_double_load): Add new.
6053 (znver1_insn, znver1_insn_load): Add icmov type.
6055 znver1_sseavx_fma_load,
6057 znver1_avx256_fma_load): Fix pipe usage.
6059 2016-02-14 Alan Modra <amodra@gmail.com>
6062 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
6063 with an invalid hard reg, reload just the reg not the entire
6064 pre/post-inc/dec address expression.
6066 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
6069 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
6070 fixed R1_REG scratch reg.
6071 (sibcall_value_pcrel_fdpic): Likewise.
6073 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
6077 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
6079 2016-02-12 Walter Lee <walt@tilera.com>
6081 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
6082 * config/tilegx/t-tilegx: Likewise.
6084 2016-02-12 David Malcolm <dmalcolm@redhat.com>
6087 * diagnostic-show-locus.c (struct line_span): New struct.
6088 (layout::get_first_line): Delete.
6089 (layout::get_last_line): Delete.
6090 (layout::get_num_line_spans): New member function.
6091 (layout::get_line_span): Likewise.
6092 (layout::print_heading_for_line_span_index_p): Likewise.
6093 (layout::get_expanded_location): Likewise.
6094 (layout::calculate_line_spans): Likewise.
6095 (layout::m_first_line): Delete.
6096 (layout::m_last_line): Delete.
6097 (layout::m_line_spans): New field.
6098 (layout::layout): Update comment. Replace m_first_line and
6099 m_last_line with m_line_spans, replacing their initialization
6100 with a call to calculate_line_spans.
6101 (diagnostic_show_locus): When printing source lines and
6102 annotations, rather than looping over a single span
6103 of lines, instead loop over each line_span within
6104 the layout, with an inner loop over the lines within them.
6105 Call the context's start_span callback when changing line spans.
6106 * diagnostic.c (diagnostic_initialize): Initialize start_span.
6107 (diagnostic_build_prefix): Break out the building of the location
6108 part of the string into...
6109 (diagnostic_get_location_text): ...this new function, rewriting
6110 it from nested ternary expressions to a sequence of "if"
6112 (default_diagnostic_start_span_fn): New function.
6113 * diagnostic.h (diagnostic_start_span_fn): New typedef.
6114 (diagnostic_context::start_span): New field.
6115 (default_diagnostic_start_span_fn): New prototype.
6117 2016-02-12 David Malcolm <dmalcolm@redhat.com>
6120 * gcc.c (driver::finalize): Fix cleanup of "specs".
6122 2016-02-12 David Malcolm <dmalcolm@redhat.com>
6126 * gcc.c (driver::driver): Initialize m_option_suggestions.
6127 (driver::~driver): Clean up m_option_suggestions.
6128 (suggest_option): Convert to...
6129 (driver::suggest_option): ...this, and split out into
6130 driver::build_option_suggestions and find_closest_string.
6131 (driver::build_option_suggestions): New function, from
6132 first half of suggest_option. Special-case
6133 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
6134 the sanitizer_opts array. For options of enum types, add the
6135 various enum values to the candidate strings.
6136 (driver::handle_unrecognized_options): Remove "const".
6137 * gcc.h (driver::handle_unrecognized_options): Likewise.
6138 (driver::build_option_suggestions): New decl.
6139 (driver::suggest_option): New decl.
6140 (driver::m_option_suggestions): New field.
6141 * opts-common.c (add_misspelling_candidates): New function.
6142 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
6143 and make non-static.
6144 * opts.h (sanitizer_opts): New array decl.
6145 (add_misspelling_candidates): New function decl.
6146 * spellcheck.c (find_closest_string): New function.
6147 * spellcheck.h (find_closest_string): New function decl.
6149 2016-02-12 Jakub Jelinek <jakub@redhat.com>
6151 PR rtl-optimization/69764
6152 PR rtl-optimization/69771
6153 * optabs.c (expand_binop_directly): For shift_optab_p, force
6154 convert_modes with VOIDmode if xop1 has VOIDmode.
6156 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
6159 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
6160 to correctly determine instrumentation thunks.
6162 2016-02-12 Jakub Jelinek <jakub@redhat.com>
6165 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
6166 type by reference, force lhs on the call.
6169 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
6170 Compute retval and retbnd early in all cases if split_part_return_p
6171 and return_bb is not EXIT. Remove all clobber stmts and reset
6172 all debug stmts that refer to SSA_NAMEs defined in split part,
6173 except if it is retval, in that case replace the old retval with the
6174 lhs of the call to the split part.
6176 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6179 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6182 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6183 whose result is used in PHI.
6184 (maybe_optimize_range_tests): Likewise.
6185 (final_range_test_p): Likweise.
6187 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6190 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6191 whose result is used in PHI.
6192 (maybe_optimize_range_tests): Likewise.
6193 (final_range_test_p): Likweise.
6195 2016-02-12 Jakub Jelinek <jakub@redhat.com>
6197 * cgraph.c: Spelling fixes - behaviour -> behavior and
6198 neighbour -> neighbor.
6199 * target.def: Likewise.
6200 * sel-sched.c: Likewise.
6201 * config/mips/mips.c: Likewise.
6202 * config/arc/arc.md: Likewise.
6203 * config/arm/cortex-a57.md: Likewise.
6204 * config/arm/arm.c: Likewise.
6205 * config/arm/neon.md: Likewise.
6206 * config/arm/arm-c.c: Likewise.
6207 * config/vms/vms-c.c: Likewise.
6208 * config/s390/s390.c: Likewise.
6209 * config/i386/znver1.md: Likewise.
6210 * config/i386/i386.c: Likewise.
6211 * config/ia64/hpux-unix2003.h: Likewise.
6212 * config/msp430/msp430.md: Likewise.
6213 * config/rx/rx.c: Likewise.
6214 * config/rx/rx.md: Likewise.
6215 * config/aarch64/aarch64-simd.md: Likewise.
6216 * config/aarch64/aarch64.c: Likewise.
6217 * config/nvptx/nvptx.c: Likewise.
6218 * config/bfin/bfin.c: Likewise.
6219 * config/cris/cris.opt: Likewise.
6220 * config/rs6000/rs6000.c: Likewise.
6221 * target.h: Likewise.
6222 * spellcheck.c: Likewise.
6223 * ira-build.c: Likewise.
6224 * tree-inline.c: Likewise.
6225 * builtins.c: Likewise.
6226 * lra-constraints.c: Likewise.
6227 * explow.c: Likewise.
6228 * hwint.h: Likewise.
6229 * targhooks.c: Likewise.
6230 * tree-vect-data-refs.c: Likewise.
6232 * doc/tm.texi: Likewise.
6233 * doc/extend.texi: Likewise.
6234 * doc/install.texi: Likewise.
6235 * doc/md.texi: Likewise.
6236 * tree-ssa-tail-merge.c: Likewise.
6237 * sched-int.h: Likewise.
6238 * match.pd: Likewise.
6239 * sched-ebb.c: Likewise.
6240 * target.def (omit_struct_return_reg): Likewise.
6241 * gimple-ssa-isolate-paths.c: Likewise.
6242 (find_implicit_erroneous_behaviour): Renamed to...
6243 (find_implicit_erroneous_behavior): ... this.
6244 (find_explicit_erroneous_behaviour): Renamed to...
6245 (find_explicit_erroneous_behavior): ... this.
6246 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
6248 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
6250 PR rtl-optimization/64682
6251 PR rtl-optimization/69567
6252 PR rtl-optimization/69737
6253 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
6254 in I2 as well, just lose it.
6256 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6258 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
6260 (aarch64_last_printed_tune_string): Likewise.
6261 (aarch64_declare_function_name): Only output .arch assembler
6262 directive if it will be different from the previously output
6263 directive. Same for .tune comment but only if -dA is set.
6264 (aarch64_start_file): New function.
6265 (TARGET_ASM_FILE_START): Define.
6267 2016-02-11 David Malcolm <dmalcolm@redhat.com>
6270 * Makefile.in (PLUGIN_HEADERS): Add params.list.
6272 2016-02-11 Jakub Jelinek <jakub@redhat.com>
6275 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
6276 -Wmaybe-uninitialized warning.
6278 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
6281 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
6283 2016-02-11 Richard Biener <rguenther@suse.de>
6285 PR rtl-optimization/69291
6286 * ifcvt.c (noce_try_store_flag_constants): Do not allow
6287 subexpressions affected by changing the result.
6289 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
6292 * lra-constraints.c (curr_insn_transform): Find in/out operands
6293 for secondary memory moves. Update dups.
6295 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
6297 PR tree-optimization/69652
6298 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
6299 to nested loop, did source re-formatting, skip debug statements,
6300 add check on statement with volatile operand, remove dead scalar
6303 2016-02-10 Jakub Jelinek <jakub@redhat.com>
6304 Patrick Palka <ppalka@gcc.gnu.org>
6308 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
6309 calls if the return type is TREE_ADDRESSABLE.
6310 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
6311 * ipa-split.c (split_function): Fix doubled "we" in comment.
6312 Use void return type for the split part even if
6313 !split_point->split_part_set_retval.
6315 2016-02-10 Bin Cheng <bin.cheng@arm.com>
6317 PR tree-optimization/68021
6318 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
6319 when computing the value of biv cand by itself.
6321 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
6323 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
6324 (cortexa57_tunings): Likewise.
6325 (cortexa72_tunings): Likewise.
6326 (arch_macro_fusion_pair_p): Add support for AES fusion.
6327 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
6328 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
6329 Allow virtual registers before reload so early scheduling works.
6330 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
6331 correct latency and pipeline.
6332 (cortex_a57_crypto_complex): Likewise.
6333 (cortex_a57_crypto_xor): Likewise.
6334 (define_bypass): Add AES bypass.
6336 2016-02-10 Richard Biener <rguenther@suse.de>
6338 PR tree-optimization/69726
6339 * passes.def: Add DCE pass before late uninit.
6340 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
6341 really fixup if-conversions job.
6343 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
6345 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
6346 (arm_cortex_a57_tune): Likewise.
6347 (aarch_macro_fusion_pair_p): Add support for AES fusion.
6348 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
6350 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
6352 * timevar.def (TV_PHASE_DBGINFO): Delete.
6353 (TV_PHASE_CHECK_DBGINFO): Likewise.
6354 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
6356 2016-02-10 Richard Biener <rguenther@suse.de>
6358 PR tree-optimization/69719
6359 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6360 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
6362 2016-02-09 Andrew Pinski <apinski@cavium.com>
6365 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
6366 get_vcond_mask_icode returns false.
6368 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6371 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
6372 an ADDIS that adds a pointer to a large constant that sets the
6373 upper16 bits with a load operation.
6375 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
6378 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
6380 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
6382 (vzipq_s16): Likewise.
6383 (vzipq_s32): Likewise.
6384 (vzipq_f32): Likewise.
6385 (vzipq_u8): Likewise.
6386 (vzipq_u16): Likewise.
6387 (vzipq_u32): Likewise.
6388 (vzipq_p8): Likewise.
6389 (vzipq_p16): Likewise.
6391 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
6394 * config/arm/arm.c (neon_endian_lane_map): New function.
6395 (neon_vector_pair_endian_lane_map): New function.
6396 (arm_evpc_neon_vuzp): Allow for big endian lane order.
6397 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
6399 (vuzpq_s16): Likewise.
6400 (vuzpq_s32): Likewise.
6401 (vuzpq_f32): Likewise.
6402 (vuzpq_u8): Likewise.
6403 (vuzpq_u16): Likewise.
6404 (vuzpq_u32): Likewise.
6405 (vuzpq_p8): Likewise.
6406 (vuzpq_p16): Likewise.
6408 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
6411 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
6414 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
6416 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
6417 truncate const_int operand 1 to QImode.
6419 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
6421 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
6422 corresponding to an abnormal edge.
6424 2016-02-09 Tom de Vries <tom@codesourcery.com>
6426 PR tree-optimization/69599
6427 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
6429 (find_func_aliases_for_builtin_call, find_func_clobbers)
6430 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
6433 2016-02-09 Richard Biener <rguenther@suse.de>
6435 PR tree-optimization/69715
6436 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
6437 LHS on calls as non-rewritable.
6439 2016-02-09 Tom de Vries <tom@codesourcery.com>
6442 * lto-wrapper.c (append_diag_options): New function.
6443 (compile_offload_image): Call append_diag_options.
6445 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
6448 * doc/extend.texi (Flag Output Operands): Correct sectioning.
6449 Minor copy-edit to fix verb tenses.
6451 2016-02-08 Jakub Jelinek <jakub@redhat.com>
6453 PR tree-optimization/69209
6454 * ipa-split.c (split_function): If split part is not
6455 returning retval, retval has gimple type but is not
6456 gimple value, force it into a SSA_NAME first.
6458 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
6460 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
6463 2016-02-08 Jason Merrill <jason@redhat.com>
6466 * convert.c (convert_to_integer_1): Check dofold on truncation
6468 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
6469 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
6470 Rename from *_nofold.
6471 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
6472 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
6474 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
6477 * tree.c (build_common_tree_nodes): Remove short_double argument.
6478 All callers changed.
6479 * tree.h (build_common_tree_nodes): Adjust declaration.
6480 * doc/invoke.texi (-fshort-double): Remove documentation.
6481 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6482 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
6483 * lto-wrapper.c (merge_and_complain, append_compiler_options)
6484 (append_linker_options): Don't handle OPT_fshort_double.
6486 PR rtl-optimization/68730
6487 * lra-remat.c (insn_to_cand_activation): New static variable.
6488 (lra_remat): Allocate and free it.
6489 (create_cand): New arg activation. Initialize a field in
6490 insn_to_cand_activation if it is nonnull.
6491 (create_cands): Pass the activation insn to create_cand when making
6492 a candidate involving an output reload. Reorganize code a little.
6493 (do_remat): Keep track of active status of candidates in a separate
6496 2016-02-08 Richard Biener <rguenther@suse.de>
6498 PR tree-optimization/69719
6499 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6500 Properly use absolute of the difference of the two offsets to
6501 compare or adjust the segment length.
6503 2016-02-08 Richard Biener <rguenther@suse.de>
6504 Jeff Law <law@redhat.com>
6507 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
6508 types for anonymous SSA names.
6510 2016-02-08 Richard Biener <rguenther@suse.de>
6512 PR rtl-optimization/69274
6513 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
6515 2016-02-08 Jeff Law <law@redhat.com>
6517 PR tree-optimization/65917
6518 * tree-ssa-dom.c (record_temporary_equivalences): Record both
6519 equivalences from if (x == y) style conditionals.
6520 (loop_depth_of_name): Remove.
6521 (record_equality): Remove loop depth check.
6522 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
6523 (const_and_copies::record_const_or_copy_raw): New member function.
6524 * tree-ssa-scopedtables.c
6525 (const_and_copies::record_const_or_copy_raw): New, factored out of
6526 (const_and_copies::record_const_or_copy): Call new member function.
6528 2016-02-05 Jeff Law <law@redhat.com>
6530 PR tree-optimization/68541
6531 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
6532 (count_stmts_in_block): New function.
6533 (poor_ifcvt_candidate_code): Likewise.
6534 (is_feasible_trace): Add some heuristics to determine when path
6535 splitting is profitable.
6536 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
6537 is a diamond with a single exit.
6539 2016-02-05 Martin Sebor <msebor@redhat.com>
6542 * doc/invoke.texi: Update -Wplacement-new to take an optional
6545 2016-02-06 Richard Henderson <rth@redhat.com>
6548 * tree.c (tree_nop_conversion_p): Do not strip casts into or
6549 out of non-standard address spaces.
6551 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6553 PR rtl-optimization/69691
6554 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
6556 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
6558 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
6559 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
6560 (*ieee128_mfvsrd_64bit): Likewise.
6561 (*ieee128_mfvsrd_32bit): Likewise.
6563 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
6567 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6569 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6570 instrumented_version.
6572 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
6574 * doc/invoke.texi (Optimize Options): In table of --param options
6575 rename second occurrence of tracer-min-branch-ratio to
6576 tracer-min-branch-probability, rename
6577 tracer-min-branch-ratio-feedback to
6578 tracer-min-branch-probability-feedback and clarify description,
6579 rename sched-spec-state-edge-prob-cutoff to
6580 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
6581 to selsched-insns-to-rename, rename lto-minpartition to
6582 lto-min-partition, delete reorder-blocks-duplicate and
6583 reorder-blocks-duplicate-feedback.
6585 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6587 * config/s390/s390.c (s390_register_info_set_ranges): Remove
6590 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
6592 * doc/extend.texi: S/390: Correct some typos.
6594 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6596 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6598 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6601 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6602 (s390_register_info_gprtofpr): Use new macros above.
6603 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6605 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6606 its name. Adjust restore and save gpr ranges.
6607 (s390_register_info_set_ranges): New function.
6608 (s390_register_info): Use new macros above. Call
6609 s390_register_info_set_ranges.
6610 (s390_optimize_register_info): Likewise.
6611 (s390_hard_regno_rename_ok): Use new macros.
6612 (s390_hard_regno_scratch_ok): Likewise.
6613 (s390_emit_epilogue): Likewise.
6614 (s390_can_use_return_insn): Likewise.
6615 (s390_optimize_prologue): Likewise.
6616 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6618 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6621 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6623 (ix86_option_override_internal): Disable TARGET_STV even for
6624 -m{incoming,preferred}-stack-boundary=3.
6626 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6628 * config.gcc: Mark deprecated rtems targets as obsolete.
6630 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
6632 PR rtl-optimization/64682
6633 PR rtl-optimization/69567
6634 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6635 before I2 only if the register is both used and set in I2.
6637 2016-02-04 DJ Delorie <dj@redhat.com>
6639 * config/msp430/msp430.c (msp430_start_function): Add function type.
6641 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6644 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6646 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
6648 PR rtl-optimization/69577
6650 2015-10-29 Richard Henderson <rth@redhat.com>
6654 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6655 sse check to the exact conditions of PR 67609.
6657 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
6660 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6661 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6662 not allowed into the traditional Altivec registers.
6663 (movtd_64bit_nodm): Likewise.
6664 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6666 2016-02-04 David Malcolm <dmalcolm@redhat.com>
6668 * config/aarch64/cortex-a57-fma-steering.c
6669 (aarch64_register_fma_steering): Remove "static" from arguments
6672 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
6675 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6678 2016-02-04 Mike Frysinger <vapier@gentoo.org>
6680 * doc/invoke.texi: Delete -mno-fma4.
6682 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
6684 PR rtl-optimization/69577
6685 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6686 (find_subregs_of_mode): Update accordingly. Iterate over partial
6689 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
6691 * config/arm/arm-protos.h (neon_reinterpret): Remove.
6692 * config/arm/arm.c (neon_reinterpret): Remove.
6693 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6694 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6695 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6696 vreinterpretti): Remove.
6697 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6698 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6699 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6700 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6701 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6702 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6703 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6704 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6705 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6706 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6707 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6708 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6709 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6710 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6711 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6712 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6713 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6714 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6715 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6716 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6717 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6718 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6719 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6720 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6721 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6722 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6723 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6724 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6725 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6726 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6727 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6728 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6729 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6730 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6731 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6732 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6733 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6734 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6735 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6736 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6737 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6738 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6739 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6740 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6741 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6742 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6743 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6744 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6745 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6746 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6747 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6748 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6749 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6750 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6751 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6752 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6753 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6754 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6755 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6756 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6757 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6758 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6759 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6760 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6761 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6762 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6763 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6764 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6765 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6766 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6767 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6768 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6769 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6770 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6771 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6772 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6773 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6774 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6775 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6776 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6777 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6778 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6779 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6780 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6781 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6782 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6783 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6784 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6785 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6786 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6787 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6788 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6789 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6790 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6791 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6792 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6793 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6794 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6795 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6796 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6797 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6798 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6799 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6801 2016-02-04 Martin Liska <mliska@suse.cz>
6804 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6805 that are gimple_store_p.
6806 (maybe_instrument_call): Likewise.
6808 2016-02-04 Bin Cheng <bin.cheng@arm.com>
6810 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6811 register scaling out of memory reference and comment why.
6813 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6817 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6818 folding the source of a SET.
6820 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6824 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6825 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6827 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
6831 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6834 2016-02-04 Christian Bruel <christian.bruel@st.com>
6836 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6837 * config/arm/arm.c (arm_set_current_function): Likewise.
6839 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6840 Ilya Enkovich <enkovich.gnu@gmail.com>
6841 H.J. Lu <hongjiu.lu@intel.com>
6844 * config/i386/i386.c (convert_scalars_to_vector): Remove
6845 stack alignment fixes.
6846 (ix86_option_override_internal): Disable TARGET_STV if stack
6847 might not be aligned enough.
6848 (ix86_minimum_alignment): Assert that TARGET_STV is false.
6850 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
6852 * gcc/config/i386/x86-tune.def: Disable default prefetching
6855 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
6856 Vladimir Makarov <vmakarov@redhat.com>
6859 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6860 in validating fused toc addresses.
6862 2016-02-03 Jakub Jelinek <jakub@redhat.com>
6865 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6866 range->m_caret fields if range->m_show_caret_p is false.
6869 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6870 Force oldval into register if it does not satisfy reg_or_short_operand
6871 predicate. Fix up formatting.
6873 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
6874 Alexandre Oliva <aoliva@redhat.com>
6877 * lra-constraints.c (simplify_operand_subreg): Check additionally
6878 address validity after potential reloading.
6879 (process_address_1): Check insns validity. In case of failure do
6882 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
6885 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6888 2016-02-02 Jakub Jelinek <jakub@redhat.com>
6890 * wide-int.cc (canonize_uhwi): New function.
6891 (wi::divmod_internal): Use it.
6893 2016-02-02 James Norris <jnorris@codesourcery.com
6895 * gimplify.c (omp_notice_variable): Add usage check.
6897 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
6899 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6900 like LE, GE, LT, GT when emitting relational operator.
6902 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6904 * ira-costs.c (find_costs_and_classes): Add extra argument.
6905 * target.def (ira_change_pseudo_allocno_class): Add parameter.
6906 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6907 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6908 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6909 Add best_class parameter, and return it if not ALL_REGS.
6910 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6912 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6915 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6917 * config/aarch64/aarch64.c
6918 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6919 (aarch64_ira_change_pseudo_allocno_class): New function.
6921 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
6924 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6926 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6928 * config/avr/avr.c (avr_option_override): Set
6929 PARAM_ALLOW_STORE_DATA_RACES to 1.
6931 2016-02-02 Richard Biener <rguenther@suse.de>
6933 PR tree-optimization/69595
6934 * match.pd: Add range test simplifications to true/false.
6936 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
6938 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6939 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6942 2016-02-02 Richard Biener <rguenther@suse.de>
6944 PR tree-optimization/69606
6945 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6946 info on the result before moving a stmt.
6948 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
6951 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6952 branch with vector comparison.
6953 * config/i386/sse.md (VI48_AVX): New mode iterator.
6954 (define_expand "cbranch<mode>4): Add support for conditional branch
6955 with vector comparison.
6956 * tree-vect-loop.c (optimize_mask_stores): New function.
6957 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6958 has_mask_store field of vect_info.
6959 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6960 vectorized loops having masked stores after vec_info destroy.
6961 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6962 correspondent macros.
6963 (optimize_mask_stores): Add prototype.
6965 2016-02-02 Alan Modra <amodra@gmail.com>
6968 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6971 2016-02-02 Alan Modra <amodra@gmail.com>
6974 * config/rs6000/rs6000.c (need_toc_init): New var, set it
6975 whenever toc_label_name used.
6976 (rs6000_file_start): Don't set up toc section here,
6977 (rs6000_output_function_epilogue): do so here instead,
6978 (rs6000_xcoff_file_start): and here.
6979 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6980 (load_toc_aix_di): Likewise.
6982 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6984 PR rtl-optimization/69592
6985 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6986 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6987 (num_sign_bit_copies_binary_arith_p): New inline function.
6988 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6990 2016-02-01 Jeff Law <law@redhat.com>
6992 PR tree-optimization/69580
6993 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6994 * tree-ssa-threadbackward.c
6995 (fsm_find_control_statement_thread_paths): Do not try to walk
6996 through large PHI nodes.
6998 2016-02-01 Jakub Jelinek <jakub@redhat.com>
7000 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
7001 when count is incremented above limit, don't analyze further
7004 * omp-low.c (oacc_parse_default_dims): Avoid
7005 -Wsign-compare warning, make sure value fits into int
7006 rather than just unsigned int.
7008 2016-02-01 Bin Cheng <bin.cheng@arm.com>
7010 PR tree-optimization/67921
7011 * fold-const.c (split_tree): New parameters. Convert pointer
7012 type variable part to proper type before negating.
7013 (fold_binary_loc): Pass new arguments to split_tree.
7015 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
7017 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
7018 (nvptx_goacc_validate_dims): Extend to handle global defaults.
7019 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
7020 * doc/tm.texti: Rebuilt.
7021 * doc/invoke.texi (fopenacc-dim): Document.
7022 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
7023 (append_compiler_options): Likewise.
7024 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
7025 (oacc_parse_default_dims): New.
7026 (oacc_validate_dims): Add USED arg. Select non-unity default when
7028 (oacc_loop_fixed_partitions): Return mask of used partitions.
7029 (oacc_loop_auto_partitions): Emit dump info.
7030 (oacc_loop_partition): Return mask of used partitions.
7031 (execute_oacc_device_lower): Parse default dimension arg. Adjust
7032 loop partitioning and validation calls.
7034 2016-02-01 Richard Biener <rguenther@suse.de>
7037 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
7039 2016-02-01 Richard Biener <rguenther@suse.de>
7041 PR tree-optimization/69574
7042 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
7043 of asserting return chrec_dont_know.
7045 2016-02-01 Martin Liska <mliska@suse.cz>
7047 * mem-stats-traits.h: Add copyright header.
7048 * mem-stats.h: Likewise.
7050 2016-02-01 Richard Biener <rguenther@suse.de>
7052 PR tree-optimization/69579
7053 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
7054 Do not propagate through abnormal PHI results.
7056 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
7058 * postreload.c (reload_cse_simplify): Remove dead code.
7060 2016-02-01 Jakub Jelinek <jakub@redhat.com>
7062 PR rtl-optimization/69570
7063 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
7064 if there is more than one set, not if there is a single set.
7066 2016-02-01 Richard Henderson <rth@redhat.com>
7069 * combine.c (make_compound_operation): When looking through a
7070 subreg, make sure to re-extend to the width of the outer mode.
7072 2016-01-30 Jakub Jelinek <jakub@redhat.com>
7074 PR tree-optimization/69546
7075 * wide-int.cc (wi::divmod_internal): For unsigned division
7076 where both operands fit into uhwi, if o1 is 1 and o0 has
7077 msb set, if divident_prec is larger than bits per hwi,
7078 clear another quotient word and return 2 instead of 1.
7079 Similarly for remainder with msb in HWI set, if dividend_prec
7080 is larger than bits per hwi.
7082 2016-01-29 Martin Jambor <mjambor@suse.cz>
7084 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
7085 Use short lowercase names.
7086 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
7087 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
7088 acq_rel one. Protect warning agains segfaults if
7089 get_memory_order_name returns NULL.
7090 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
7091 with release semantics. Do not warn if get_memory_order already did.
7092 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
7093 semantics. Fix check for relaxed or acquire semantics. Do not warn
7094 if get_memory_order already did.
7096 2016-01-29 Sebastian Pop <s.pop@samsung.com>
7098 * doc/install.texi: Document that isl-0.16 is supported.
7100 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
7103 * config/i386/constraints.md (Bm): Describe as special memory
7105 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
7106 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7107 * genpreds.c (struct constraint_data): Add is_special_memory.
7108 (have_special_memory_constraints, special_memory_start): New
7110 (special_memory_end): Ditto.
7111 (add_constraint): Add new arg is_special_memory. Add code to
7112 process its true value. Update have_special_memory_constraints.
7113 (process_define_constraint): Pass the new arg.
7114 (process_define_register_constraint): Ditto.
7115 (choose_enum_order): Process special memory.
7116 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
7117 function insn_extra_special_memory_constraint.
7118 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7119 * gensupport.c (process_rtx): Process
7120 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7121 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
7122 * ira-lives.c (single_reg_class): Use
7123 insn_extra_special_memory_constraint.
7124 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
7125 * lra-constraints.c (process_alt_operands): Ditto.
7126 (curr_insn_transform): Use insn_extra_special_memory_constraint.
7127 * recog.c (asm_operand_ok, preprocess_constraints): Process
7129 * reload.c (find_reloads): Ditto.
7130 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
7131 * stmt.c (parse_input_constraint): Use
7132 insn_extra_special_memory_constraint.
7134 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
7137 * lra-splill.c (lra_final_code_change): Revert r229087 by
7138 removing all sub-registers.
7140 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
7143 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
7145 2016-01-29 Jakub Jelinek <jakub@redhat.com>
7148 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
7149 SSE1, copy target into the temporary reg first before recursing
7152 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
7154 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
7157 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
7159 * ginclude/stdarg.h: Test __cplusplus instead of
7160 __GXX_EXPERIMENTAL_CXX0X__.
7162 2016-01-29 Richard Biener <rguenther@suse.de>
7164 PR tree-optimization/69547
7165 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
7166 Do not mark clobbers necessary.
7167 (mark_all_reaching_defs_necessary_1): Likewise.
7169 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
7171 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
7172 declaration name with %qs and print it in both error messages.
7173 Also fix indentation.
7175 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
7178 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
7179 trailing blank line from error message.
7181 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
7184 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
7187 2016-01-29 Richard Biener <rguenther@suse.de>
7190 * match.pd: Allow all integral types when simplifying a
7191 widening or sign-changing conversion.
7193 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7195 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
7196 back to setting codegen_error to fail codegen.
7198 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
7201 * config/i386/constraints.md (C): Only accept constant zero operand.
7202 (BC): New constraint.
7203 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
7204 instead of C constraint.
7205 * doc/md.texi (Machine Constraints): Update description
7208 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
7211 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
7213 2016-01-28 Jakub Jelinek <jakub@redhat.com>
7216 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
7219 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
7221 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
7222 branches if using guessed profile.
7224 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
7226 * graphite-optimize-isl.c (optimize_isl): Fix dump.
7228 2016-01-28 Richard Henderson <rth@redhat.com>
7231 * config/aarch64/aarch64-modes.def (CC_Cmode): New
7232 * config/aarch64/aarch64-protos.h: Update.
7233 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
7234 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
7235 (aarch64_get_condition_code_1): Handle CC_Cmode.
7236 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
7237 (*add<mode>3_compareC_cconly_imm): New.
7238 (*add<mode>3_compareC_cconly): New.
7239 (*add<mode>3_compareC_imm): New.
7240 (add<mode>3_compareC): New.
7241 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
7242 to be first. Use aarch64_carry_operation.
7243 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
7244 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
7245 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
7246 (subti3): Use subdi3_compare1.
7247 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
7248 (sub<mode>3_compare1): New.
7249 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
7250 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
7251 (*subsi3_carryin_uxtw): Likewise.
7252 (*ngc<mode>, *ngcsi_uxtw): Likewise.
7253 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
7254 * config/aarch64/iterators.md (DWI): New.
7255 * config/aarch64/predicates.md (aarch64_carry_operation): New.
7256 (aarch64_borrow_operation): New.
7258 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
7260 * graphite-optimize-isl.c (optimize_isl): Print a different debug
7261 message when isl does not return a valid schedule.
7263 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7265 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
7266 Remove comments from class declarations: they are already in the code
7269 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7271 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
7273 (ternary_op_to_tree): Same.
7274 (unary_op_to_tree): Same.
7275 (nary_op_to_tree): Same.
7276 (gcc_expression_from_isl_expr_op): Same.
7277 (gcc_expression_from_isl_expression): Same.
7278 (graphite_create_new_loop): Same.
7279 (graphite_create_new_loop_guard): Same.
7280 (build_iv_mapping): Same.
7281 (graphite_create_new_guard): Same.
7282 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
7283 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
7285 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7287 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
7288 instead of setting codegen_error to fail codegen.
7290 2016-01-28 Jason Merrill <jason@redhat.com>
7292 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
7294 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
7296 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7297 Remove CONST_INT_P check in CCMP cost calculation.
7299 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
7301 * config/aarch64/aarch64.c (generic_vector_cost):
7302 Set vec_permute_cost.
7303 (cortexa57_vector_cost): Likewise.
7304 (exynosm1_vector_cost): Likewise.
7305 (xgene1_vector_cost): Likewise.
7306 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
7307 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
7308 Add vec_permute_cost entry.
7310 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
7312 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
7314 (add<mode>3_compare0): Likewise.
7315 (addsi3_compare0_uxtw): Likewise.
7316 (add<mode>3nr_compare0): Likewise.
7317 (compare_neg<mode>): Likewise.
7318 (<optab><mode>3): Likewise.
7320 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
7322 * tree-vect-stmts.c (vectorizable_comparison): Add
7323 NULL check for vectype.
7325 2016-01-28 Richard Biener <rguenther@suse.de>
7327 PR tree-optimization/69466
7328 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
7329 Account for PHIs we couldn't duplicate.
7331 2016-01-28 Martin Liska <mliska@suse.cz>
7334 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
7335 instead of ENABLE_VALGRIND_CHECKING.
7337 2016-01-27 Richard Henderson <rth@redhat.com>
7340 * lra-remat.c (subreg_regs): New.
7341 (dump_candidates_and_remat_bb_data): Dump it.
7342 (operand_to_remat): Reject if operand in subreg_regs.
7343 (set_bb_regs): Collect subreg_regs.
7344 (lra_remat): Init and free subreg_regs. Compute
7345 calculate_local_reg_remat_bb_data before create_cands.
7347 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
7350 * config/i386/i386.c (ix86_update_stack_boundary): Don't
7351 change stack_alignment_needed for __tls_get_addr call.
7353 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
7355 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
7357 2016-01-27 Jeff Law <law@redhat.com>
7359 PR tree-optimization/68398
7360 PR tree-optimization/69196
7361 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
7362 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
7363 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7364 Only count PHIs in the last block in the path. The others will
7365 const/copy propagate away. Add heuristic to allow more irreducible
7366 subloops to be created when it is likely profitable to do so.
7368 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7369 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
7370 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
7372 2016-01-27 Jakub Jelinek <jakub@redhat.com>
7375 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
7376 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
7377 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
7378 * tree-streamer-in.c: Include asan.h.
7379 (streamer_get_builtin_tree): For builtins in sanitizer
7380 range call initialize_sanitizer_builtins and retry.
7382 2016-01-27 Ian Lance Taylor <iant@google.com>
7384 * common.opt (fkeep-gc-roots-live): New undocumented option.
7385 * tree-ssa-loop-ivopts.c (add_candidate_1): If
7386 -fkeep-gc-roots-live, skip pointers.
7387 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
7390 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
7393 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
7394 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
7396 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
7399 * configure.ac: NetBSD provides SSP in its C library.
7400 * configure: Updated.
7402 2016-01-27 Richard Biener <rguenther@suse.de>
7404 PR tree-optimization/69166
7405 * tree-vect-loop.c (vect_is_simple_reduction): Always check
7406 reduction code for commutativity / associativity.
7408 2016-01-27 Martin Jambor <mjambor@suse.cz>
7410 PR tree-optimization/69355
7411 * tree-sra.c (analyze_access_subtree): Correct hole detection when
7412 total_scalarization fails.
7414 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
7416 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
7419 2016-01-27 Christian Bruel <christian.bruel@st.com>
7422 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
7423 Move arm_reset_previous_fndecl and set_target_option_current_node in
7424 the conditional part. Call save_restore_target_globals.
7425 * config/arm/arm.c (arm_set_current_function):
7426 Refactor to better support #pragma target and attribute mix.
7427 Call save_restore_target_globals.
7428 * config/arm/arm-protos.h (save_restore_target_globals): New function.
7430 2016-01-27 Martin Liska <mliska@suse.cz>
7432 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
7433 reference for an HSA kernel and its host function.
7435 2016-01-27 Jakub Jelinek <jakub@redhat.com>
7437 PR tree-optimization/69399
7438 * wide-int.h (wi::lrshift): For larger precisions, only
7439 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
7441 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
7443 * config/arc/predicates.md (proper_comparison_operator): Reject
7444 constant-constant comparison.
7446 2016-01-26 Tom de Vries <tom@codesourcery.com>
7448 PR tree-optimization/69110
7449 * tree-data-ref.c (initialize_data_dependence_relation): Handle
7450 DR_NUM_DIMENSIONS == 0.
7452 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
7453 Sebastian Pop <s.pop@samsung.com>
7455 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
7456 isl_ast_op_cond and isl_ast_op_select.
7457 (gcc_expression_from_isl_expr_op): Same.
7459 2016-01-26 Jason Merrill <jason@redhat.com>
7462 * tree.c (recompute_constructor_flags): Split out from
7464 (verify_constructor_flags): New.
7465 * tree.h: Declare them.
7467 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
7469 PR rtl-optimization/69217
7470 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
7471 are no TYPE_FIELDS set for the record type.
7473 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7476 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
7477 toc_label_name unconditionally.
7478 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
7479 SYMBOL_REF string. Use toc_label_name instead of constructing
7481 (rs6000_elf_declare_function_name): Use toc_label_name instead of
7482 constructing LCTOC1.
7484 2016-01-26 Martin Sebor <msebor@redhat.com>
7487 * doc/extend.texi (Common Type Attributes): Move text that talks about
7488 attribute packed from attribute aligned to the section discussing
7489 the former attribute for clarity.
7491 2016-01-26 Richard Henderson <rth@redhat.com>
7494 * trans-mem.c (tm_region_init): Mark entry block as visited.
7496 2016-01-26 David Malcolm <dmalcolm@redhat.com>
7499 * diagnostic-show-locus.c (layout::print_source_line): Replace
7500 call to pp_newline with call to layout::print_newline.
7501 (layout::print_annotation_line): Likewise.
7502 (layout::move_to_column): Likewise.
7503 (layout::print_any_fixits): After printing any fixits, print a
7504 trailing newline, if necessary.
7505 (layout::print_newline): New method, resetting any colorization
7507 (diagnostic_show_locus): Move the pp_newline to before the
7508 early bailout. Remove dummy block enclosing the layout instance.
7509 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
7510 of pp_newline_and_flush with pp_flush.
7511 (diagnostic_append_note): Delete use of pp_newline.
7512 (diagnostic_append_note_at_rich_loc): Delete.
7513 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
7514 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
7515 when newline characters are added to the buffer.
7517 2016-01-26 Michael Matz <matz@suse.de>
7519 * configure.ac (ac_cv_std_swap_in_utility): New test.
7520 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
7521 * configure: Regenerate.
7522 * config.in: Regenerate.
7524 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
7526 * config/arc/arc.md (cstoresi4): Force operand into register.
7527 (arcset<code>): Fix predicate.
7528 (arcsetltu): Likewise.
7529 (arcsetgeu): Likewise.
7530 (arcsethi): Likewise.
7531 (arcsetls): Likewise.
7533 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7535 PR tree-optimization/69483
7536 * gimple-fold.c (canonicalize_constructor_val): Return NULL
7537 if base has error_mark_node type.
7539 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
7542 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
7543 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
7545 (vget_lane_f16): Handle big-endian.
7546 (vgetq_lane_f16): Likewise.
7547 (vset_lane_f16): Likewise.
7548 (vsetq_lane_f16): Likewise.
7549 * config/arm/iterators.md (VQXMOV): Add V8HF.
7550 (VDQ): Add V4HF and V8HF.
7551 (V_reg): Handle V4HF and V8HF.
7552 (Is_float_mode): Likewise.
7553 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
7554 neon_vdup_nv8hf): New patterns.
7555 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
7556 Use VD_LANE iterator.
7557 (neon_vld1_dup<mode>): Use VQ2 iterator.
7559 2016-01-26 Nathan Sidwell <nathan@acm.org>
7561 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
7562 (set_oacc_fn_attrib): Add IS_KERNEL arg.
7563 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
7564 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
7565 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
7566 (oacc_validate_dims): Add LEVEL arg, don't return level.
7567 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
7569 (execute_oacc_device_lower): Adjust, add more dump output.
7570 * tree-ssa-loop.c (gate_oacc_kernels): Use
7571 oacc_fn_attrib_kernels_p.
7572 * tree-parloops.c (create_parallel_loop): Adjust
7573 set_oacc_fn_attrib call.
7575 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7578 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
7579 (append_compiler_options): Handle -fcilkplus.
7580 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
7582 2016-01-26 Nick Clifton <nickc@redhat.com>
7585 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7586 been marked as DECL_ONE_ONLY but we do not the means to make it
7587 so, then do not allow it to bind locally.
7589 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7592 * opts.h (parse_sanitizer_options): New prototype.
7593 * opts.c (sanitizer_opts): New array.
7594 (parse_sanitizer_options): New function.
7595 (common_handle_option): Use parse_sanitizer_options.
7597 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
7600 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7601 alignment adjustment to ...
7602 (ix86_update_stack_boundary): Here. Don't over-align stack for
7604 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7605 if __tls_get_addr is called.
7607 2016-01-26 Christian Bruel <christian.bruel@st.com>
7609 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7611 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
7613 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7615 2016-01-26 Richard Biener <rguenther@suse.de>
7618 * match.pd: Guard X * CST CMP 0 pattern with single_use.
7620 2016-01-26 Richard Biener <rguenther@suse.de>
7622 PR tree-optimization/69452
7623 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7624 (move_computations_dom_walker::before_dom_children): Rename
7626 (move_computations_worker): This.
7627 (move_computations): Perform an RPO rather than a DOM walk.
7629 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7632 * combine.c (combine_instructions): For REG_EQUAL note with
7633 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7634 to the underlying register.
7635 * doc/rtl.texi (REG_EQUAL): Document the behavior of
7636 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7638 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
7641 * config/aarch64/aarch64-builtins.c
7642 (aarch64_init_simd_builtin_types): Do not set structural
7643 equality to __Poly{8,16,64,128}_t types.
7645 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
7647 PR tree-optimization/69400
7648 * wide-int.cc (wi_pack): Take the precision as argument and
7649 perform canonicalization here rather than in the callers.
7650 Use the main loop to handle all full-width HWIs. Add a
7651 zero HWI if in_len isn't a full result.
7652 (wi::divmod_internal): Update accordingly.
7653 (wi::mul_internal): Likewise. Simplify.
7655 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7656 Sebastian Pop <s.pop@samsung.com>
7658 * graphite-poly.c (apply_poly_transforms): Simplify.
7659 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7660 (print_isl_map): Same.
7661 (print_isl_union_map): Same.
7662 (print_isl_schedule): New.
7663 (debug_isl_schedule): New.
7664 * graphite-dependences.c (scop_get_reads): Do not call
7665 isl_union_map_add_map that is undocumented isl functionality.
7666 (scop_get_must_writes): Same.
7667 (scop_get_may_writes): Same.
7668 (scop_get_original_schedule): Remove.
7669 (scop_get_dependences): Do not call isl_union_map_compute_flow that
7670 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
7671 (compute_deps): Remove.
7672 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7673 (debug_schedule_ast): New.
7674 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7675 set_separate_option.
7676 (graphite_regenerate_ast_isl): Add dump.
7677 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7678 from scop->transformed_schedule.
7679 (graphite_regenerate_ast_isl): Add more dump.
7680 * graphite-optimize-isl.c (optimize_isl): Set
7681 scop->transformed_schedule. Check whether schedules are equal.
7682 (apply_poly_transforms): Move here.
7683 * graphite-poly.c (apply_poly_transforms): ... from here.
7684 (free_poly_bb): Static.
7685 (free_scop): Static.
7686 (pbb_number_of_iterations_at_time): Remove.
7687 (print_isl_ast): New.
7688 (debug_isl_ast): New.
7689 (debug_scop_pbb): New.
7690 * graphite-scop-detection.c (print_edge): Move.
7692 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7693 (build_scop_scattering): Remove.
7694 (create_pw_aff_from_tree): Assert instead of bailing out.
7695 (add_condition_to_pbb): Remove unused code, do not fail.
7696 (add_conditions_to_domain): Same.
7697 (add_conditions_to_constraints): Remove.
7698 (build_scop_context): New.
7699 (add_iter_domain_dimension): New.
7700 (build_iteration_domains): Initialize pbb->iterators.
7701 Call add_conditions_to_domain.
7704 (index_outermost_in_loop): New.
7705 (index_pbb_in_loop): New.
7706 (outermost_pbb_in): New.
7707 (add_in_sequence): New.
7708 (add_outer_projection): New.
7709 (outer_projection_mupa): New.
7710 (add_loop_schedule): New.
7711 (build_schedule_pbb): New.
7712 (build_schedule_loop): New.
7713 (embed_in_surrounding_loops): New.
7714 (build_schedule_loop_nest): New.
7715 (build_original_schedule): New.
7716 (build_poly_scop): Call build_original_schedule.
7717 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7718 (free_poly_dr): Remove.
7719 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
7720 (free_poly_bb): Remove.
7721 (debug_loop_vec): Remove.
7722 (print_isl_ast): Declare.
7723 (debug_isl_ast): Declare.
7724 (scop_do_interchange): Remove.
7725 (scop_do_strip_mine): Remove.
7726 (scop_do_block): Remove.
7727 (flatten_all_loops): Remove.
7728 (optimize_isl): Remove.
7729 (pbb_number_of_iterations_at_time): Remove.
7730 (debug_scop_pbb): Declare.
7731 (print_schedule_ast): Declare.
7732 (debug_schedule_ast): Declare.
7733 (struct scop): Remove schedule. Add original_schedule,
7734 transformed_schedule.
7735 (free_gimple_poly_bb): Remove.
7736 (print_generated_program): Remove.
7737 (debug_generated_program): Remove.
7738 (unify_scattering_dimensions): Remove.
7739 * sese.c (print_edge): ... here.
7740 (print_sese): ... here.
7741 (debug_edge): ... here.
7742 (debug_sese): ... here.
7743 * sese.h (print_edge): Declare.
7744 (print_sese): Declare.
7745 (dump_edge): Declare.
7746 (dump_sese): Declare.
7748 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7749 Sebastian Pop <s.pop@samsung.com>
7751 * Makefile.in: Set ISLVER in site.exp.
7753 2016-01-25 Jakub Jelinek <jakub@redhat.com>
7755 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7756 DECL_VALUE_EXPR of new_var even for the non-array case. Look
7757 through DECL_VALUE_EXPR for expansion.
7759 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
7761 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7762 the frame info after reload completed.
7764 2016-01-25 Jeff Law <law@redhat.com>
7766 PR tree-optimization/69196
7767 PR tree-optimization/68398
7768 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7769 tree-ssa-threadupdate.c.
7770 (determine_bb_domination_status): Prototype
7771 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7772 (determine_bb_domination_status): No longer static.
7773 (valid_jump_thread_path): Remove code to detect characteristics
7774 of the jump thread path not associated with correctness.
7775 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7776 Correct test for thread path length. Count PHIs for real operands as
7777 statements that need to be copied. Do not count ASSERT_EXPRs.
7778 Look at all the blocks in the thread path. Compute and selectively
7779 filter thread paths based on threading through the latch, threading
7780 a multiway branch or crossing a multiway branch.
7782 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7784 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
7785 decl with __attribute__ ((unused)) annotation.
7787 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
7790 * tree-vect-stmts.c (vectorizable_condition): Check vectype
7791 of operands is compatible with a statement vectype.
7793 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
7795 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7796 improve wording for mixed storage order support.
7798 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
7800 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7801 (vcvt_u64_f64): Likewise.
7802 (vcvta_s64_f64): Likewise.
7803 (vcvta_u64_f64): Likewise.
7804 (vcvtm_s64_f64): Likewise.
7805 (vcvtm_u64_f64): Likewise.
7806 (vcvtn_s64_f64): Likewise.
7807 (vcvtn_u64_f64): Likewise.
7808 (vcvtp_s64_f64): Likewise.
7809 (vcvtp_u64_f64): Likewise.
7811 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
7813 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7814 (arc_init): Check validity mll64 option.
7815 (arc_save_restore): Use double load/store instruction.
7816 (arc_expand_movmem): Likewise.
7817 (arc_split_move): Don't split if we have double load/store
7818 instructions. Returns a boolean.
7819 (arc_process_double_reg_moves): Change function to return boolean
7820 instead of a sequence of instructions.
7821 (arc_dwarf_register_span): New function.
7822 * config/arc/arc-protos.h (arc_split_move): Change prototype.
7823 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7824 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7825 (*movdf_insn): Likewise.
7826 * config/arc/arc.opt (mll64): New option.
7827 * config/arc/predicates.md (even_register_operand): New predicate.
7828 * doc/invoke.texi (ARC Options): Add mll64 documentation.
7830 2016-01-25 Richard Biener <rguenther@suse.de>
7833 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7834 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7836 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7838 2016-01-25 Richard Biener <rguenther@suse.de>
7840 PR tree-optimization/69376
7841 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7843 (VN_INFO_ANTI_RANGE_P): New inline.
7844 (VN_INFO_RANGE_TYPE): Likewise.
7845 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7846 SSA_NAME_ANTI_RANGE_P.
7847 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7848 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7849 Properly query VN_INFO_RANGE_TYPE.
7851 2016-01-25 Nick Clifton <nickc@redhat.com>
7854 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7856 2016-01-23 Tom de Vries <tom@codesourcery.com>
7858 PR tree-optimization/69426
7859 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7862 2016-01-23 Jakub Jelinek <jakub@redhat.com>
7864 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7865 "the the" with "the" in the comments.
7866 * ipa-devirt.c (build_type_inheritance_graph,
7867 update_type_inheritance_graph): Likewise.
7868 * tree.c (build_function_type_list_1): Likewise.
7869 * cfgloopmanip.c (scale_loop_profile): Likewise.
7870 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7871 * gimple-ssa-split-paths.c
7872 (find_block_to_duplicate_for_splitting_paths): Likewise.
7873 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7874 * expr.c (convert_move): Likewise.
7875 * var-tracking.c (vt_stack_adjustments): Likewise.
7876 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7877 * tree-vrp.c (test_for_singularity): Likewise.
7879 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7880 directly instead of building a temporary tree.
7883 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7884 remove <algorithm> include.
7886 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7889 * config/i386/i386.c: Include dojump.h.
7890 (expand_small_movmem_or_setmem,
7891 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7893 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7894 if dynamic_check != -1.
7896 2016-01-21 Jeff Law <law@redhat.com>
7899 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7900 record_temporary_equivalences. Rewritten to avoid unnecessary calls
7901 into dominated_by_p.
7902 (cprop_into_successor_phis): Avoid unnecessary tests.
7904 2016-01-22 Richard Henderson <rth@redhat.com>
7907 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7908 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7910 2016-01-22 Michael Matz <matz@suse.de>
7912 * system.h (string, algorithm): Include only conditionally.
7913 (new): Include always under C++.
7914 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7915 * final.c (toplevel): Ditto.
7916 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7917 * genconditions.c (write_header): Make gencondmd.c define
7919 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7921 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7922 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7924 2016-01-22 Christian Bruel <christian.bruel@st.com>
7927 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7929 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7932 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7933 define_insn_and_split. Ensure operands[1] and operands[0] do not
7934 get assigned the same register.
7936 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
7938 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7940 2016-01-22 Christian Bruel <christian.bruel@st.com>
7942 * config/arm/arm-c.c (arm_pragma_target_parse):
7943 Remove warn_builtin_macro_redefined overwrite.
7945 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7947 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7948 flag_non_call_exceptions compatibility.
7950 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7953 * dwarf2out.c (add_child_die_after): New function.
7954 (dwarf_qual_info_t): New type.
7955 (dwarf_qual_info): New variable.
7956 (qualified_die_p): New function.
7957 (modified_type_die): For -fdebug-types-section, ensure
7958 canonical order of qualifiers. Put qualified DIEs adjacent
7959 to the corresponding non-qualified type DIE and search there
7960 for existing qualified DIEs.
7962 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7964 * doc/extend.texi (scalar_storage_order type attribute): Document
7965 restriction on type punning and aliasing, and remove future tense.
7967 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
7970 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7973 2016-01-21 Jeff Law <law@redhat.com>
7976 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7977 useless call to record_temporary_equivalences.
7978 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7979 allocate 10 slots in the bb_path vector and let it grow as needed.
7980 (fsm_find_control_statement_thread_paths): Similarly for the next_path
7983 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7985 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7987 * configure: Regenerate.
7989 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
7991 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7992 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7994 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
7997 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7998 drop EXPAND_INITIALIZER.
7999 * rtl.h (contains_symbolic_reference_p): Declare.
8000 * rtlanal.c (contains_symbolic_reference_p): New function.
8001 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
8002 a subtraction into a NOT if symbolic constants are involved.
8004 2016-01-21 Anton Blanchard <anton@samba.org>
8005 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8008 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
8010 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
8013 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
8015 * config/microblaze/microblaze.c
8016 (get_branch_target): New.
8017 (insert_wic_for_ilb_runout): New.
8019 (microblaze_machine_dependent_reorg): New.
8020 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
8021 * config/microblaze/microblaze.md
8022 (UNSPEC_IPREFETCH): Define.
8023 (iprefetch): New pattern
8024 * config/microblaze/microblaze.opt
8025 (mxl-prefetch): New flag.
8027 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
8029 * config/microblaze/microblaze.h
8030 (FIXED_REGISTERS): Update in macro.
8031 (CALL_USED_REGISTERS): Update in macro.
8033 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
8035 PR rtl-optimization/68920
8036 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
8039 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
8041 PR rtl-optimization/68990
8042 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
8043 pseudo instead of inheritance ones.
8045 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
8046 Nick Clifton <nickc@redhat.com>
8050 * config/mips/mips.c (mips_compute_frame_info): Initialise
8051 args_size and hard_frame_pointer_offset fields of the frame
8052 structure before calling mips_global_pointer.
8054 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
8056 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
8058 * configure: Regenerate.
8060 2016-01-21 Richard Biener <rguenther@suse.de>
8062 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
8064 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
8066 * config/s390/s390.c (s390_asm_declare_function_size): Add code
8067 to actually emit the .size directive.
8069 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
8070 Jakub Jelinek <jakub@redhat.com>
8074 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
8075 args array size by one to avoid buffer overflow.
8077 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
8079 * config/s390/s390.md (pool_section_start): Use switch_to_section
8080 to select proper read-only data section instead of hardcoding
8082 (pool_section_end): Use switch_to_section to match the above.
8084 2016-01-21 Richard Biener <rguenther@suse.de>
8086 PR tree-optimization/69378
8087 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
8088 (set_ssa_val_to): Use it for dominance checks taking into
8089 account not executable edges.
8091 2016-01-21 Jakub Jelinek <jakub@redhat.com>
8094 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
8095 for bitsize instead of GET_MODE_PRECISION (mode).
8097 2016-01-20 Martin Sebor <msebor@redhat.com>
8100 * extend.texi (__sync Builtins): Clarify the semantics of
8101 __sync_fetch_and_OP built-ins on pointers.
8102 (__atomic Builtins): Same.
8104 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8105 Sebastian Pop <s.pop@samsung.com>
8107 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
8108 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
8109 (is_valid_rename): Same.
8110 (translate_isl_ast_to_gimple::get_rename): Same.
8111 (translate_isl_ast_to_gimple::rename_all_uses): Same.
8112 (translate_isl_ast_to_gimple::rename_uses): Same.
8113 (get_new_name): Check for close_phi nodes.
8114 (copy_loop_phi_args): Use phi_node_kind.
8115 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
8116 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
8118 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8119 Sebastian Pop <s.pop@samsung.com>
8121 Revert commit r229783.
8122 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
8123 Remove use of parameter_rename_map.
8125 (copy_internal_parameters): Remove.
8126 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
8127 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
8128 (free_sese_info): Do not free parameter_rename_map.
8129 (set_rename): Do not use parameter_rename_map.
8130 (rename_uses): Update call to set_rename.
8131 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
8132 * sese.h (parameter_rename_map_t): Remove.
8133 (struct sese_info_t): Remove field parameter_rename_map.
8135 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8136 Sebastian Pop <s.pop@samsung.com>
8138 * graphite-isl-ast-to-gimple.c: Fix comment.
8139 * graphite-scop-detection.c (defined_in_loop_p): New.
8140 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
8141 names defined in loop.
8143 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8144 Sebastian Pop <s.pop@samsung.com>
8146 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
8147 Discard unstructured if-then-else regions.
8149 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8150 Sebastian Pop <s.pop@samsung.com>
8152 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
8153 (cleanup_loop_iter_dom): Remove.
8154 (build_loop_iteration_domains): Remove.
8155 (build_scop_context): Remove.
8156 (build_scop_iteration_domain): Remove.
8157 (add_loop_constraints): New.
8158 (build_iteration_domains): New.
8159 (build_poly_scop): Call build_iteration_domains.
8161 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8162 Sebastian Pop <s.pop@samsung.com>
8164 * graphite-scop-detection.c
8165 (scop_detection::harmful_loop_in_region): Free dom and loops.
8166 (scop_detection::loop_body_is_valid_scop): Free bbs.
8168 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8169 Sebastian Pop <s.pop@samsung.com>
8171 * graphite-scop-detection.c (record_loop_in_sese): New.
8172 (gather_bbs::before_dom_children): Call record_loop_in_sese.
8173 (build_scops): Remove call to build_sese_loop_nests.
8174 * sese.c (sese_record_loop): Remove.
8175 (build_sese_loop_nests): Remove.
8176 (new_sese_info): Remove region->loops.
8177 (free_sese_info): Same.
8178 * sese.h (sese_contains_loop): Same.
8179 (build_sese_loop_nests): Remove.
8180 (sese_contains_loop): Remove.
8182 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8183 Sebastian Pop <s.pop@samsung.com>
8185 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
8186 loop_is_valid_in_scop.
8187 (scop_detection::harmful_stmt_in_region): Renamed
8188 harmful_loop_in_region.
8189 Call loop_is_valid_in_scop.
8191 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8192 Sebastian Pop <s.pop@samsung.com>
8194 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
8197 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8198 Sebastian Pop <s.pop@samsung.com>
8200 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
8201 * graphite.h (struct poly_bb): Remove field is_reduction.
8202 (PBB_IS_REDUCTION): Remove.
8204 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8205 Sebastian Pop <s.pop@samsung.com>
8207 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
8208 (add_pdr_constraints): Same.
8209 (scop_get_reads): Same.
8210 (scop_get_must_writes): Same.
8211 (scop_get_may_writes): Same.
8212 (scop_get_original_schedule): Same.
8213 (extend_schedule): Same.
8214 (apply_schedule_on_deps): Same.
8215 (carries_deps): Same.
8216 (compute_deps): Same.
8217 (scop_get_dependences): Same.
8218 * graphite-isl-ast-to-gimple.c
8219 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
8220 * graphite-optimize-isl.c (get_schedule_for_band): Same.
8221 (get_schedule_for_band_list): Same.
8222 (get_schedule_map): Same.
8223 (apply_schedule_map_to_scop): Same.
8224 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
8225 (build_loop_iteration_domains): Same.
8226 (add_condition_to_pbb): Same.
8227 (add_param_constraints): Same.
8228 (pdr_add_memory_accesses): Same.
8229 (pdr_add_data_dimensions): Same.
8231 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
8233 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
8236 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
8238 * common.opt (feliminate-dwarf2-dups): Replace references to
8239 "DWARF 2" with just "DWARF".
8240 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
8241 * doc/extend.texi: Likewise.
8242 * doc/cpp.texi: Likewise.
8243 * doc/invoke.texi: Likewise.
8244 (Option Summary): Add -gdwarf to list of Debugging Options.
8245 (Debugging Options): Document -gdwarf.
8246 * doc/contrib.texi: Spell "DWARF" like that.
8248 2016-01-21 Jakub Jelinek <jakub@redhat.com>
8250 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
8251 warning. Fix up formatting.
8254 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
8255 attempt to mark memory input operand addressable and
8256 call prepare_gimple_addressable in that case. Don't adjust
8257 input_location for diagnostics, use error_at instead.
8259 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
8261 * config/rs6000/ppc-auxv.h: New file.
8262 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
8264 (cpu_supports): Likewise.
8265 * config/rs6000/rs6000.c: include "ppc-auxv.h".
8266 (cpu_is_info): New variable.
8267 (cpu_supports_info): Likewise.
8268 (tcb_verification_symbol): Likewise.
8269 (cpu_builtin_p): Likewise.
8270 (cpu_expand_builtin): New function.
8271 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
8272 (rs6000_init_builtins): Likewise.
8273 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
8274 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
8275 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
8276 * configure: Regenerate.
8277 * config.in: Likewise.
8278 * doc/extend.texi (PowerPC Built-in Functions): Document
8279 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
8281 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
8284 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
8286 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
8289 2016-01-20 Richard Henderson <rth@redhat.com>
8295 * tree.c (tm_define_builtin): New.
8296 (find_tm_vector_type): New.
8297 (build_tm_vector_builtins): New.
8298 (build_common_builtin_nodes): Call it.
8300 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
8302 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
8303 (arm_fp_ok): Likewise.
8305 (arm_crypto): Likewise.
8307 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
8308 Richard Biener <rguenther@suse.de>
8310 PR tree-optimization/69328
8311 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
8312 vectors have same number of elements.
8313 (vectorizable_condition): Fix masked version recognition.
8315 2016-01-20 Richard Biener <rguenther@suse.de>
8317 PR tree-optimization/69345
8318 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
8319 (VN_INFO_PTR_INFO): Likewise.
8320 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
8321 info when it is equal between non-dominating SSA names.
8322 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
8323 Make sure to look at original SSA infos.
8325 2016-01-20 Jeff Law <law@redhat.com>
8328 * config/m68k/predicates.md (pow2_m1_operand): New predicate
8330 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
8331 (pc_or_label_operand): New predicate.
8332 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
8333 tests for small integers that are 2^n - 1.
8335 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
8337 * doc/invoke.texi (Options Summary): Add '.' after @xref.
8339 2016-01-19 Jeff Law <law@redhat.com>
8342 * tree-ssa-threadbackwards.c
8343 (fsm_find_control_statement_thread_paths): Do not try to lookup
8344 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
8346 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
8348 * doc/lto.texi: Remove text that says only Gold has linker plugin
8351 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
8353 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
8354 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
8355 the DIE accordingly.
8356 (modified_type_die): Add REVERSE parameter and pass it recursively,
8357 as well as to base_type_die. Adjust presence check accordingly.
8358 (base_type_for_mode): Adjust call to modified_type_die.
8359 (add_type_attribute): Add REVERSE parameter and pass it to
8361 (generic_parameter_die): Adjust call to add_type_attribute.
8362 (add_scalar_info): Likewise.
8363 (add_subscript_info): Likewise.
8364 (gen_array_type_die): Likewise.
8365 (gen_descr_array_type_die): Likewise.
8366 (gen_entry_point_die): Likewise.
8367 (gen_enumeration_type_die): Likewise.
8368 (gen_formal_parameter_die): Likewise.
8369 (gen_subprogram_die): Likewise.
8370 (gen_variable_die ): Likewise.
8371 (gen_const_die): Likewise.
8372 (gen_field_die): Likewise.
8373 (gen_pointer_type_die): Likewise.
8374 (gen_reference_type_die): Likewise.
8375 (gen_ptr_to_mbr_type_die): Likewise.
8376 (gen_inheritance_die): Likewise.
8377 (gen_subroutine_type_die): Likewise.
8378 (gen_typedef_die): Likewise.
8379 (force_type_die): Adjust call to modified_type_die.
8381 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
8383 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
8384 flow throughout the file. Fix broken link to Objective-C 2.0
8386 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
8389 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8391 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
8393 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8396 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
8397 (maybe_record_node): Record cxa_pure_virtual as the only possible
8398 target if there are not ohter candidates.
8399 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
8401 2016-01-19 Richard Biener <rguenther@suse.de>
8403 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
8404 (get_memory_order): Likewise.
8406 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
8408 * tree-vect-stmts.c (vectorizable_store): Check
8411 2016-01-19 David Malcolm <dmalcolm@redhat.com>
8414 * gcc.c (driver::decode_argv): Add call to
8415 init_opts_obstack before init_options_struct.
8416 * opts.c (init_opts_obstack): Remove idempotency.
8417 (init_options_struct): Replace call to init_opts_obstack
8418 with a gcc_assert to verify that it has already been called.
8419 * toplev.c (toplev::main): Add call to init_opts_obstack before
8420 calls to init_options_struct.
8421 (toplev::finalize): Move cleanup of opts_obstack next to
8422 cleanup of save_decoded_options, clearing the latter, and
8423 save_decoded_options_count.
8425 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8428 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
8429 attribute to unconditional. Remove %? from output template.
8431 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8432 Jiong Wang <jiong.wang@arm.com>
8434 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
8435 generated from different expand order.
8437 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8439 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8440 Add support for CCMP costing.
8442 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8444 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
8445 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
8446 (fccmpe<mode>): Likewise.
8447 (fcmp): Rename to fcmp and globalize pattern.
8449 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
8450 (aarch64_gen_ccmp_next): Add FP support.
8452 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8454 * target.def (gen_ccmp_first): Update documentation.
8455 (gen_ccmp_next): Likewise.
8456 * doc/tm.texi (gen_ccmp_first): Update documentation.
8457 (gen_ccmp_next): Likewise.
8458 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
8459 expand_ccmp_expr_1. Improve comments.
8460 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
8461 (ccmp_ior<mode>): Remove pattern.
8462 (cmp<mode>): Remove expand.
8463 (cmp): Globalize pattern.
8464 (cstorecc4): Use cc_register.
8465 (mov<mode>cc): Remove ccmp_cc_register check.
8466 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
8467 Simplify after removal of CC_DNE/* modes.
8468 (aarch64_ccmp_mode_to_code): Remove.
8469 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
8470 In 'k' case use integer as condition.
8471 (aarch64_nzcv_codes): Remove inverted cases.
8472 (aarch64_code_to_ccmode): Remove.
8473 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
8474 comparison with CC register to be used in folowing CCMP/branch/CSEL.
8475 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
8476 pattern. Return the comparison with CC register. Invert conditions
8478 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
8479 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
8481 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8483 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8484 instrumented_version.
8486 2016-01-19 Richard Biener <rguenther@suse.de>
8488 PR tree-optimization/69336
8489 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
8490 handled components with get_ref_base_and_extent.
8491 (equal_mem_array_ref_p): Adjust.
8493 2016-01-19 Jakub Jelinek <jakub@redhat.com>
8496 * shrink-wrap.c: Include valtrack.h.
8497 (move_insn_for_shrink_wrap): Add DEBUG argument. If
8498 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
8499 in between insn and where it will be moved to. Call
8500 dead_debug_insert_temp.
8501 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
8502 first and dead_debug_local_finish at the end.
8503 For uses and defs bitmap, handle all regs in between REGNO and
8504 END_REGNO, not just the first one.
8506 2016-01-19 Richard Biener <rguenther@suse.de>
8508 PR tree-optimization/69352
8509 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
8510 (equal_mem_array_ref_p): Constrain size and max size properly.
8511 Compare the reverse flag.
8513 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
8515 * ira.c (ira): Update regstat data if we deleted insns.
8517 2016-01-19 Jakub Jelinek <jakub@redhat.com>
8519 PR rtl-optimization/68955
8520 PR rtl-optimization/64557
8521 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
8522 here. Fix up formatting.
8523 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
8525 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8528 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
8529 assume that the node has body.
8530 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
8533 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8535 * lto-streamer-out.c (lto_output): Do not stream instrumentation
8538 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8540 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
8541 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
8543 2016-01-19 Martin Jambor <mjambor@suse.cz>
8544 Martin Liska <mliska@suse.cz>
8545 Michael Matz <matz@suse.de>
8547 * Makefile.in (OBJS): Add new source files.
8548 (GTFILES): Add hsa.c.
8549 * common.opt (disable_hsa): New variable.
8550 (-Whsa): New warning.
8551 * config.in (ENABLE_HSA): New.
8552 * configure.ac: Treat hsa differently from other accelerators.
8553 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
8555 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
8556 * doc/install.texi (Configuration): Document --with-hsa-runtime,
8557 --with-hsa-runtime-include, --with-hsa-runtime-lib and
8559 * doc/invoke.texi (-Whsa): Document.
8560 (hsa-gen-debug-stores): Likewise.
8561 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
8562 to invoke offload compiler for hsa acclerator.
8563 * opts.c (common_handle_option): Determine whether HSA offloading
8564 should be performed.
8565 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
8566 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
8567 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
8568 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
8569 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
8570 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
8571 GF_OMP_FOR_KIND_GRID_LOOP.
8572 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
8573 (pp_gimple_stmt_1): Likewise.
8574 * gimple-walk.c (walk_gimple_stmt): Likewise.
8575 * gimple.c (gimple_build_omp_grid_body): New function.
8576 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
8577 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
8578 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
8579 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
8580 GF_OMP_TEAMS_GRID_PHONY.
8581 (gimple_statement_omp_single_layout): Updated comments.
8582 (gimple_build_omp_grid_body): New function.
8583 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
8584 (gimple_omp_for_grid_phony): New function.
8585 (gimple_omp_for_set_grid_phony): Likewise.
8586 (gimple_omp_parallel_grid_phony): Likewise.
8587 (gimple_omp_parallel_set_grid_phony): Likewise.
8588 (gimple_omp_teams_grid_phony): Likewise.
8589 (gimple_omp_teams_set_grid_phony): Likewise.
8590 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8591 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8592 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8593 (BUILT_IN_GOMP_TARGET): Updated type.
8594 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8595 (adjust_for_condition): New function.
8596 (get_omp_for_step_from_incr): Likewise.
8597 (extract_omp_for_data): Moved parts to adjust_for_condition and
8598 get_omp_for_step_from_incr.
8599 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8600 (fixup_child_record_type): Bail out if receiver_decl is NULL.
8601 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8602 (scan_omp_parallel): Do not create child functions for phony
8604 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8605 (scan_omp_1_op): Checking assert we are not remapping to
8606 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
8607 (parallel_needs_hsa_kernel_p): New function.
8608 (expand_parallel_call): Register apprpriate parallel child
8609 functions as HSA kernels.
8610 (grid_launch_attributes_trees): New type.
8611 (grid_attr_trees): New variable.
8612 (grid_create_kernel_launch_attr_types): New function.
8613 (grid_insert_store_range_dim): Likewise.
8614 (grid_get_kernel_launch_attributes): Likewise.
8615 (get_target_argument_identifier_1): Likewise.
8616 (get_target_argument_identifier): Likewise.
8617 (get_target_argument_value): Likewise.
8618 (push_target_argument_according_to_value): Likewise.
8619 (get_target_arguments): Likewise.
8620 (expand_omp_target): Call get_target_arguments instead of looking
8621 up for teams and thread limit.
8622 (grid_expand_omp_for_loop): New function.
8623 (grid_arg_decl_map): New type.
8624 (grid_remap_kernel_arg_accesses): New function.
8625 (grid_expand_target_kernel_body): New function.
8626 (expand_omp): Call it.
8627 (lower_omp_for): Do not emit phony constructs.
8628 (lower_omp_taskreg): Do not emit phony constructs but create for them
8629 a temporary variable receiver_decl.
8630 (lower_omp_taskreg): Do not emit phony constructs.
8631 (lower_omp_teams): Likewise.
8632 (lower_omp_grid_body): New function.
8633 (lower_omp_1): Call it.
8634 (grid_reg_assignment_to_local_var_p): New function.
8635 (grid_seq_only_contains_local_assignments): Likewise.
8636 (grid_find_single_omp_among_assignments_1): Likewise.
8637 (grid_find_single_omp_among_assignments): Likewise.
8638 (grid_find_ungridifiable_statement): Likewise.
8639 (grid_target_follows_gridifiable_pattern): Likewise.
8640 (grid_remap_prebody_decls): Likewise.
8641 (grid_copy_leading_local_assignments): Likewise.
8642 (grid_process_kernel_body_copy): Likewise.
8643 (grid_attempt_target_gridification): Likewise.
8644 (grid_gridify_all_targets_stmt): Likewise.
8645 (grid_gridify_all_targets): Likewise.
8646 (execute_lower_omp): Call grid_gridify_all_targets.
8647 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8648 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8649 (tree_omp_clause): Added union field dimension.
8650 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8651 * tree.c (omp_clause_num_ops): Added number of arguments of
8652 OMP_CLAUSE__GRIDDIM_.
8653 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8654 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8655 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8656 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8657 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8658 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8659 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8660 * tree-pass.h (make_pass_gen_hsail): Declare.
8661 (make_pass_ipa_hsa): Likewise.
8662 * ipa-hsa.c: New file.
8663 * lto-section-in.c (lto_section_name): Add hsa section name.
8664 * lto-streamer.h (lto_section_type): Add hsa section.
8665 * timevar.def (TV_IPA_HSA): New.
8666 * hsa-brig-format.h: New file.
8667 * hsa-brig.c: New file.
8668 * hsa-dump.c: Likewise.
8669 * hsa-gen.c: Likewise.
8672 * toplev.c (compile_file): Call hsa_output_brig.
8673 * hsa-regalloc.c: New file.
8675 2016-01-18 Jeff Law <law@redhat.com>
8677 PR tree-optimization/69320
8678 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8679 ranged object, do nothing if the RHS constant is not [0..1].
8680 (optimize_stmt): Comparing a boolean ranged object against a
8681 constant outside [0..1] results in a compile-time constant.
8683 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8686 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
8688 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8689 (Option Summary): Update to reflect new section and moved options.
8690 (C++ Dialect Options): Move -fstats to new section.
8691 (Debugging Options): Move all dump, statistics, and other GCC
8692 developer options to new section. Rewrite section introduction
8693 and re-order remaining options to put the more basic ones first.
8694 (Optimization Options): Move -fira-verbose and -flto-report* to
8696 (Developer Options): New section incorporating moved options.
8697 * doc/cppopts.texi (-dM): Update cross-reference.
8699 2016-01-18 Richard Henderson <rth@redhat.com>
8702 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8703 operands to pseudo only if CSE is expected. Split long immediate
8704 operands only after reload, and for the stack pointer.
8705 (*add<GPI>3_pluslong): Remove.
8706 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8707 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
8708 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8709 (*add<GPI>3 peepholes): New.
8710 (*add<GPI>3 splitters): New.
8711 * config/aarch64/constraints.md (Upl): New.
8712 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8714 2016-01-18 Richard Biener <rguenther@suse.de>
8716 PR tree-optimization/69297
8717 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8719 (vect_bb_vectorization_profitable_p): Clear visited flag again.
8721 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
8724 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8725 of mixind vector and scalar types.
8726 (fold_relational_const): Add handling of vector
8727 comparison with boolean result.
8728 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8729 comparison of vector operands with boolean result for EQ/NE only.
8730 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8731 (verify_gimple_cond): Likewise.
8732 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8735 2016-01-18 Joseph Myers <joseph@codesourcery.com>
8737 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8740 2016-01-18 Richard Biener <rguenther@suse.de>
8743 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8745 2016-01-18 Tom de Vries <tom@codesourcery.com>
8747 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8749 2016-01-18 Tom de Vries <tom@codesourcery.com>
8751 * omp-low.c (set_oacc_fn_attrib): Make extern.
8752 * omp-low.h (set_oacc_fn_attrib): Declare.
8753 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8754 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8755 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8756 Add and handle function parameter oacc_kernels_p.
8757 (find_reduc_addr, get_omp_data_i_param): New function.
8758 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8759 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8760 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8761 Calculate dominance info. Skip loops that are not in a kernels region
8762 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
8763 (pass_parallelize_loops::execute): Call parallelize_loops with
8764 oacc_kernels_p argument.
8765 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8766 New member function.
8767 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8768 * passes.def: Add argument to pass_parallelize_loops instantation.
8770 2016-01-18 Tom de Vries <tom@codesourcery.com>
8772 * tree-parloops.c (pass_parallelize_loops::execute): Allow
8773 pass_parallelize_loops to be run outside the loop pipeline.
8775 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8777 * tree-scalar-evolution.c (follow_copies_to_constant): New.
8778 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8780 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8783 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8784 using get_ref_base_and_extent.
8785 (equal_mem_array_ref_p): New.
8786 (hashable_expr_equal_p): Add call to previous.
8788 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8791 * tree-sra.c (disqualified_constants, constant_decl_p): New.
8792 (sra_initialize): Allocate disqualified_constants.
8793 (sra_deinitialize): Free disqualified_constants.
8794 (disqualify_candidate): Update disqualified_constants when appropriate.
8795 (create_access): Scan for constant-pool entries as we go along.
8796 (scalarizable_type_p): Add check against type_contains_placeholder_p.
8797 (maybe_add_sra_candidate): Allow constant-pool entries.
8798 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8799 (initialize_constant_pool_replacements): New.
8800 (sra_modify_assign): Avoid mangling assignments created by previous,
8801 and don't generate writes into constant pool.
8802 (sra_modify_function_body): Call initialize_constant_pool_replacements.
8804 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
8806 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8808 (scalar_chain::convert_op): Likewise.
8809 * config/i386/i386.md (*andndi3_doubleword): New.
8811 2016-01-18 Richard Biener <rguenther@suse.de>
8813 PR tree-optimization/69170
8814 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8815 building a vector from scalar results of a pattern stmt.
8817 2016-01-18 Jakub Jelinek <jakub@redhat.com>
8819 * haifa-sched.c (autopref_multipass_init): Work around
8820 -Wmaybe-uninitialized warning.
8822 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
8824 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8825 against the constant 0.
8827 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8829 PR tree-optimization/68799
8830 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8831 look up phi candidates in the statement-candidate map.
8832 (phi_add_costs): Likewise.
8833 (record_phi_increments): Likewise.
8834 (phi_incr_cost): Likewise.
8835 (ncd_with_phi): Likewise.
8836 (all_phi_incrs_profitable): Likewise.
8838 2016-01-17 Jakub Jelinek <jakub@redhat.com>
8840 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8841 -Wmaybe-uninitialized warning.
8843 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
8845 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8846 (Option Summary): Update to reflect new section and moved options.
8847 (C++ Dialect Options): Move -fvtable-verify and related options.
8848 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8849 and profiling-related options.
8850 (Optimization Options): Move profile generation options and
8851 -fstack-protector and related options.
8852 (Instrumentation Options): New section incorporating moved options.
8853 (Code Generation Options): Move -finstrument-functions and
8854 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8856 2016-01-16 Tom de Vries <tom@codesourcery.com>
8858 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8860 2016-01-16 Tom de Vries <tom@codesourcery.com>
8862 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
8864 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
8866 * hash-table.h (hash_table::empty): Turn into an inline wrapper
8867 that checks whether the table is already empty. Rename the
8868 original implementation to...
8869 (hash_table::empty_slot): ...this new private function.
8871 2016-01-15 David Malcolm <dmalcolm@redhat.com>
8874 * diagnostic-show-locus.c (layout::print_source_line): Move x
8875 offset of line until after call to
8876 get_line_width_without_trailing_whitespace.
8878 2016-01-15 Jeff Law <law@redhat.com>
8880 PR tree-optimization/69270
8881 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8882 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
8883 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8884 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8885 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8886 ssa_name_has_boolean_range and constant_boolean_node.
8888 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
8890 PR rtl-optimization/69030
8891 * lra-spills.c (remove_pseudos): Check nrefs and make the function
8893 (spill_pseudos): Delete debug insn for dead pseudo.
8894 (lra_spill): Initiate spill_hard_reg and slots memory separately.
8896 2016-01-15 Jiong Wang <jiong.wang@arm.com>
8898 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8900 (TYPES_UNOPUS): Likewise.
8901 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8902 builtin type, from UNOP to UNOPUS.
8903 (lbtruncuv4sf): Likewise.
8904 (lbtruncuv2df): Likewise.
8905 (lrounduv2sf): Likewise.
8906 (lrounduv4sf): Likewise.
8907 (lrounduv2df): Likewise.
8908 (lroundusf): Likewise.
8909 (lroundusf): Likewise.
8910 (lceiluv2sf): Likewise.
8911 (lceiluv4sf): Likewise.
8912 (lceiluv2df): Likewise.
8913 (lceilusf): Likewise.
8914 (lceiludf): Likewise.
8915 (lflooruv2sf): Likewise.
8916 (lflooruv4sf): Likewise.
8917 (lflooruv2df): Likewise.
8918 (lfloorusf): Likewise.
8919 (lfloorudf): Likewise.
8920 (lfrintnuv2sf): Likewise.
8921 (lfrintnuv4sf): Likewise.
8922 (lfrintnuv2df): Likewise.
8923 (lfrintnusf): Likewise.
8924 (lfrintnudf): Likewise.
8925 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8927 (vcvtq_u32_f32): Likewise.
8928 (vcvtq_u64_f64): Likewise.
8929 (vcvta_u32_f32): Likewise.
8930 (vcvtaq_u32_f32): Likewise.
8931 (vcvtaq_u64_f64): Likewise.
8932 (vcvtm_u32_f32): Likewise.
8933 (vcvtmq_u32_f32): Likewise.
8934 (vcvtmq_u64_f64): Likewise.
8935 (vcvtn_u32_f32): Likwise.
8936 (vcvtnq_u32_f32): Likewise.
8937 (vcvtnq_u64_f64): Likewise.
8938 (vcvtp_u32_f32): Likewise.
8939 (vcvtpq_u32_f32): Likewise.
8940 (vcvtpq_u64_f64): Likewise.
8941 (vcvtmd_u64_f64): Likewise.
8942 (vcvtms_u32_f32): Likewise.
8943 (vcvtad_u64_f64): Likewise.
8944 (vcvtas_u32_f32): Likewise.
8945 (vcvtnd_u64_f64): Likewise.
8946 (vcvtns_u32_f32): Likewise.
8947 (vcvtpd_u64_f64): Likewise.
8948 (vcvtps_u32_f32): Likewise.
8950 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8952 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8953 CSEL of zero_extended registers.
8955 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8957 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8958 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8960 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8962 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8963 false when argument string is not found in the attributes table
8966 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
8969 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8970 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8971 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8974 2016-01-15 Richard Biener <rguenther@suse.de>
8976 PR tree-optimization/66856
8977 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8978 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8979 (vect_create_new_slp_node): Increment stmt reference count.
8980 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8981 an SLP tree before swapping operands.
8982 (vect_build_slp_tree): Likewise.
8983 (destroy_bb_vec_info): Free stmt info after SLP instances.
8984 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8985 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8986 (STMT_VINFO_NUM_SLP_USES): New macro.
8988 2016-01-15 Richard Biener <rguenther@suse.de>
8991 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8992 (add_linkage_name): ... here.
8993 (gen_typedef_die): Use add_linkage_name_raw instead of
8994 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8997 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
8999 * gimplify.c (oacc_default_clause): Decode reference and pointer
9000 types for both kernels and parallel regions.
9002 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
9005 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
9007 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
9009 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
9010 (convert_scalars_to_vector): Likewise.
9012 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
9014 * doc/extend.texi (Type Traits): Fix grammar.
9016 2016-01-15 Martin Jambor <mjambor@suse.cz>
9018 * tree-inline.c (remap_decl): Use existing dclarations if
9019 remapping a type and prevent_decl_creation_for_types.
9020 (replace_locals_stmt): Do an initial remapping of non-VLA typed
9021 decls first. Do real remapping with
9022 prevent_decl_creation_for_types set.
9023 * tree-inline.h (copy_body_data): New field
9024 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
9027 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
9029 * config/s390/s390.opt (mmvcle): More verbose help text.
9031 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
9033 * config/s390/s390.opt: Add period to -mzvector option text.
9035 2016-01-15 Richard Biener <rguenther@suse.de>
9037 PR tree-optimization/68961
9038 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
9039 of invariants in stores again.
9041 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
9043 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
9045 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
9047 * config/i386/i386.c (ix86_expand_branch): Don't split
9048 DI mode xor instruction to SI mode.
9050 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
9053 * ipa-icf.c (sem_function::merge): Virtual functions may become
9054 reachable even if they address is not taken and there are no
9057 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
9059 * lto-streamer-out.c (subtract_estimated_size): New function.
9060 (get_symbol_initial_value): Use it.
9062 2016-01-15 Christian Bruel <christian.bruel@st.com>
9065 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
9066 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
9067 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
9068 use add_builtin_function_ext_scope instead of add_builtin_function.
9069 (neon_set_p, neon_crypto_set_p): Remove.
9070 (arm_init_builtins): Always call arm_init_neon_builtins and
9071 arm_init_crypto_builtins.
9072 (arm_expand_builtin): Check that builtins are allowed for the arch.
9073 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
9074 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
9075 arm_init_neon_builtins call.
9077 2016-01-15 Richard Biener <rguenther@suse.de>
9079 PR tree-optimization/69117
9080 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
9081 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
9082 of the leader conservatively.
9083 (free_scc_vn): Restore original SSA name infos.
9085 2016-01-14 Jeff Law <law@redhat.com>
9087 PR tree-optimization/69270
9088 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
9089 single bit of precision, verify it's also unsigned.
9090 (record_edge_info): Use constant_boolean_node rather than fold_convert
9091 to convert boolean_true/boolean_false to the right type.
9093 2016-01-14 Richard Henderson <rth@redhat.com>
9096 * loop-doloop.c (record_reg_sets): New.
9097 (doloop_optimize): Reject the transform if the sequence
9098 clobbers registers live at the end of the loop block.
9099 (doloop_optimize_loops): Enable df_live if needed.
9101 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
9103 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
9104 * gcc/config/rs6000/rs6000.c: Likewise.
9105 * gcc/config/rs6000/rs6000.h: Likewise.
9106 * gcc/config/rs6000/rs6000.md: Likewise.
9107 * gcc/doc/extend.texi: Likewsie.
9109 2016-01-14 Jeff Law <law@redhat.com>
9111 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
9114 2016-01-14 Richard Henderson <rth@redhat.com>
9118 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
9119 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
9120 instead of builtin_decl_declared_p to test for declaration.
9122 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
9124 * doc/loop.texi (Loop Analysis and Representation): Document
9125 loop_depth function.
9127 2016-01-14 Tom de Vries <tom@codesourcery.com>
9129 PR tree-optimization/68773
9130 * omp-low.c (expand_omp_target): Don't set force_output.
9131 * varpool.c (varpool_node::get_create): Same.
9132 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
9133 offload_funcs with force_output.
9135 2016-01-14 Jakub Jelinek <jakub@redhat.com>
9138 * lra-eliminations.c (move_plus_up): Don't change anything if either
9139 the outer or inner subreg mode is not MODE_INT.
9140 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
9141 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
9143 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
9145 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
9146 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
9147 reduc_uplus_@var{m}): Remove.
9148 * expr.c (expand_expr_real_2): Remove expansion path for
9149 reduc_[us](min|max|plus) optabs.
9150 * optabs-tree.c (scalar_reduc_to_vector): Remove.
9151 * optabs-tree.h (scalar_reduc_to_vector): Remove.
9152 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
9153 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
9154 * tree-vect-loop.c (vectorizable_reduction): Remove test for
9155 reduc_[us](min|max|plus) optabs.
9157 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
9159 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
9160 (reduc_plus_scal_v2sf): New.
9161 (reduc_smax_v2sf): Rename to...
9162 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
9163 (reduc_smin_v2sf): Rename to...
9164 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
9166 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
9168 * alias.c (compare_base_symbol_refs): New function.
9169 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
9172 2016-01-14 Jakub Jelinek <jakub@redhat.com>
9175 PR tree-optimization/69155
9176 * tree-complex.c: Include cfganal.h.
9177 (phis_to_revisit): New variable.
9178 (extract_component): Add phiarg_p argument. Assert that returned
9179 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
9180 (update_phi_components): Partly rewrite to use loop over real/imag
9181 components instead of code duplication. If extract_component returns
9182 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
9183 create_tmp_reg into the PHI node instead, and mention the phi triplet
9185 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
9186 in phis_to_revisit at the end.
9188 2016-01-14 Richard Biener <rguenther@suse.de>
9190 PR tree-optimization/68060
9191 * tree-vect-loop.c (vect_is_simple_reduction): Check the
9192 outer loop reduction is only used in the inner loop before
9193 detecting a double reduction.
9195 2016-01-14 Jakub Jelinek <jakub@redhat.com>
9198 * combine.c (expand_field_assignment): Punt if compute_mode is
9199 unsupported scalar mode.
9201 2016-01-14 Richard Biener <rguenther@suse.de>
9203 PR tree-optimization/66856
9204 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
9205 SLP node only if it built successfully.
9206 (vect_analyze_slp_instance): Adjust.
9208 2016-01-14 Jeff Law <law@redhat.com>
9210 PR tree-optimization/69270
9211 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
9212 (record_edge_info): Use it. Convert boolean_{true,false}_node
9215 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
9218 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
9219 use block_ultimate_origin
9220 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
9222 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
9224 * doc/invoke.texi (Submodel Options): Rename section to
9225 "Machine-Dependent Options" to better reflect its content.
9226 Rewrite introductory text to remove archaic CPU names.
9229 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
9231 * doc/invoke.texi (Code Gen Options): Move section up in file,
9232 before target-specific options. Update menu and option summary
9233 to reflect the new section ordering.
9235 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
9237 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
9238 (C++ Dialect Options): Add cross-reference to -std option.
9239 * doc/standards.texi (C++ Language): Document C++14 support.
9241 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
9243 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
9244 for pack/unpack functions for __ibm128.
9245 (PACK_IF): Likewise.
9246 (UNPACK_IF): Likewise.
9248 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
9249 support for __ibm128 pack/unpack functions.
9250 (rs6000_invalid_builtin): Likewise.
9251 (rs6000_init_builtins): Likewise.
9252 (rs6000_opt_masks): Likewise.
9254 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
9255 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
9257 (RS6000_BTM_COMMON): Likewise.
9259 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
9260 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
9261 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
9262 128-bit floating point. Add support for the double values to be
9263 in Altivec registers for TF/IF packing and unpacking, but restrict
9264 TD packing sub-fields to be FPR registers. Don't allow overlapped
9265 register support for packing. Allow pack inputs to be memory
9266 locations. Don't build generator functions for unpack<mode>_dm
9267 and unpack<mode>_nodm.
9268 (unpack<mode>_dm): Likewise.
9269 (unpack<mode>_nodm): Likewise.
9270 (pack<mode>): Likewise.
9272 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
9273 built-in functions to pack/unpack explicit __ibm128 values.
9274 (__builtin_unpack_ibm128): Likewise.
9276 * doc/extend.texi (PowerPC Built-in Functions): Document
9277 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
9279 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
9282 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
9283 Add new arg loc and pass it down as context.
9284 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
9285 to the location to use for the warning.
9286 (check_function_arguments): New arg loc. All callers changed. Pass
9287 it to check_function_nonnull.
9288 * c-common.h (check_function_arguments): Adjust declaration.
9290 2016-01-13 Jakub Jelinek <jakub@redhat.com>
9292 PR tree-optimization/69156
9293 * gimple.c (validate_type): Removed.
9294 (gimple_builtin_call_types_compatible_p): Use
9295 useless_type_conversion_p instead of validate_type.
9296 * value-prof.c (gimple_stringop_fixed_value): Fold
9297 icall_size to correct type.
9299 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
9301 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
9304 2016-01-13 Richard Henderson <rth@redhat.com>
9307 * target.def (builtin_tm_load, builtin_tm_store): Remove.
9308 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
9309 (ix86_builtin_tm_store): Remove.
9310 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9311 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9312 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9313 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9314 * doc/tm.texi: Rebuild.
9316 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
9317 (BUILT_IN_TM_MEMCPY_RTWN): New.
9318 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
9319 fallback from vector to integer helpers.
9320 (build_tm_load): Handle vector types directly, instead of
9322 (build_tm_store): Likewise.
9323 (expand_assign_tm): Prepare for register types not handled by
9324 the above. Copy them to memory and use memcpy.
9325 * tree.c (tm_define_builtin): New.
9326 (find_tm_vector_type): New.
9327 (build_tm_vector_builtins): New.
9328 (build_common_builtin_nodes): Call it.
9330 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
9332 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
9333 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
9335 2016-01-13 Tom de Vries <tom@codesourcery.com>
9337 PR tree-optimization/69169
9338 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
9339 handled_struct_type param.
9340 (create_variable_info_for, intra_create_variable_infos): Call
9341 create_variable_info_for_1 with extra arg.
9343 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
9345 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
9346 and "armv8.1-a+crc" entries.
9348 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
9351 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
9352 Change first operand predicate from register_or_constm1_operand
9353 to register_operand.
9354 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
9355 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
9356 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
9357 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
9358 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
9359 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
9360 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
9361 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
9362 comparison with constm1_rtx from vec_prefetch_gen part.
9364 2016-01-13 Richard Biener <rguenther@suse.de>
9366 PR tree-optimization/69013
9367 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
9368 Exchange assert for a test.
9370 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9373 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
9375 2016-01-13 Richard Biener <rguenther@suse.de>
9377 PR tree-optimization/69242
9378 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
9379 assert with a check.
9381 2016-01-13 Richard Biener <rguenther@suse.de>
9383 PR tree-optimization/69186
9384 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
9385 Properly guard vect_update_misalignment_for_peel call.
9387 2016-01-12 Jeff Law <law@redhat.com>
9389 PR tree-optimization/pr67755
9390 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
9391 "need_profile_correction".
9392 (thread_block_1): Initialize new field to false by default. If we
9393 have multiple thread paths through a common joiner to different
9394 final targets, then set new field to true.
9395 (compute_path_counts): Only do count adjustment when it's really
9398 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9400 * doc/invoke.texi (Spec Files): Move section down in file, past
9401 all command-line option descriptions.
9403 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9406 * doc/gty.texi: Remove documentation of mark_hook.
9407 * gengtype.c (struct write_types_data): Remove code to support
9408 mark_hook attribute.
9409 (walk_type): Likewise.
9410 (write_func_for_structure): Likewise.
9412 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9414 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
9415 Directory Options, and -specs= to Overall Options.
9416 (Overall Options): Adjust similarly. Reorder to group related
9417 options together. Make -specs= cross-reference the spec file details.
9418 (Directory Options): Adjust similarly.
9420 2016-01-12 Jeff Law <law@redhat.com>
9422 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
9424 2016-01-12 Olivier Hainque <hainque@adacore.com>
9426 * gcc.c (spec_undefvar_allowed): New global.
9427 (process_command): Set to true when running for --version or --help,
9429 (getenv_spec_function): When the variable is not defined, use the
9430 variable name as the variable value if we're allowed not to issue
9433 2016-01-12 Bin Cheng <bin.cheng@arm.com>
9435 PR tree-optimization/68911
9436 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
9437 information computed for expression "init + nit * step".
9439 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9441 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
9442 about name of GCC executable. Remove deleted node from menu.
9443 (Directory Options) <-B>: Remove cross-reference to deleted node.
9444 (Target Options): Delete section.
9446 2016-01-12 Christian Bruel <christian.bruel@st.com>
9449 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
9450 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
9452 2016-01-12 Jakub Jelinek <jakub@redhat.com>
9455 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
9456 aligned_mem is properly set for AVX512-VL floating point masked
9460 * ifcvt.c (cond_exec_process_if_block): When removing the last
9461 insn from then_bb, remove also any possible barriers that follow it.
9463 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
9467 * config/i386/iamcu.h (SIZE_TYPE): New macro.
9468 (PTRDIFF_TYPE): Likewise.
9469 (WCHAR_TYPE): Likewise.
9470 (WCHAR_TYPE_SIZE): Likewise.
9471 (STDINT_LONG32): Likewise.
9473 2016-01-12 Richard Biener <rguenther@suse.de>
9475 PR tree-optimization/69053
9476 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
9477 convert initial value for cond reductions.
9479 2016-01-12 Richard Biener <rguenther@suse.de>
9481 PR tree-optimization/69007
9482 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
9483 widen_sum after dot_prod and sad.
9485 2016-01-12 Richard Biener <rguenther@suse.de>
9487 PR tree-optimization/69168
9488 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
9489 pattern stmt SLP type.
9490 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
9491 end up unused so cope with that case.
9493 2016-01-12 Richard Biener <rguenther@suse.de>
9495 PR tree-optimization/69157
9496 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
9497 stmts def type only during analyze phase.
9498 (vectorizable_call): Likewise.
9499 (vectorizable_simd_clone_call): Likewise.
9500 (vectorizable_conversion): Likewise.
9501 (vectorizable_assignment): Likewise.
9502 (vectorizable_shift): Likewise.
9503 (vectorizable_operation): Likewise.
9504 (vectorizable_store): Likewise.
9505 (vectorizable_load): Likewise.
9507 2016-01-12 Richard Biener <rguenther@suse.de>
9509 PR tree-optimization/69174
9510 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
9512 (vectorizable_load): Properly compute the number of loads needed
9513 for permuted strided SLP loads and do not spuriously assign
9514 to SLP_TREE_VEC_STMTS.
9516 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
9518 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
9519 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
9520 (MD_EXEC_PREFIX): Remove.
9521 (MD_STARTFILE_PREFIX) Removee.
9522 (FILE_NAME_ABSOLUTE_P): Remove.
9523 (CPP_SPEC): Do not read macros from sys/version.h.
9524 (LINK_COMMAND_SPEC): Remove.
9525 (LOCAL_INCLUDE_DIR): Remove.
9526 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
9527 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
9528 (POST_LINK_SPEC): Define to invoke stubify after linker
9529 (LIBSTDCXX): Remove define
9530 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
9531 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
9532 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
9533 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
9534 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
9535 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
9536 (i386_djgpp_asm_named_section): Add propotype of new procedure
9538 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
9539 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
9540 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
9541 in config/i386/djgpp.h).
9542 (STANDARD_STARTFILE_PREFIX_2): Define identical to
9543 STANDARD_STARTFILE_PREFIX_1.
9544 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
9545 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
9546 installation errors.
9547 (MAX_OFILE_ALIGNMENT): Define to 128.
9548 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
9550 * config/i386/djgpp.c: New file. Add implementation of
9551 i386_djgpp_asm_named_section.
9553 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
9555 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
9556 Add rule for building djgpp.o.
9558 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9560 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
9561 (rtx_is_swappable_p): Reductions are swappable.
9562 (insn_is_swappable_p): V2DF reductions are swappable.
9564 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
9566 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
9567 reloads for other unsupported memory operands.
9569 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
9570 Jim Wilson <jim.wilson@linaro.org>
9573 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
9574 copy_to_mode_reg instead of force_reg.
9576 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9579 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
9580 TARGET_80387 is true.
9582 2016-01-11 Jakub Jelinek <jakub@redhat.com>
9585 * lra-eliminations.c (move_plus_up): Only move plus up
9586 if subreg of the constant can be simplified into constant
9587 and use the simplified subreg of the constant instead of
9588 the original constant.
9590 * fold-const.c (fold_convertible_p): Don't return true
9591 for conversion of VECTOR_TYPE to same sized integral type.
9592 (fold_convert_loc): Fix up formatting. Fold conversion of
9593 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9594 instead of NOP_EXPR.
9596 PR tree-optimization/69214
9597 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9598 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9601 PR tree-optimization/69207
9602 * tree-vect-slp.c (vect_get_constant_vectors): For
9603 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9604 fold_convertible_p to vector_type's element type, and always
9605 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9607 2016-01-11 Richard Biener <rguenther@suse.de>
9609 PR tree-optimization/69173
9610 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9611 fixup the cycle if all stmts are in a pattern.
9613 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
9616 * alias.c (base_alias_check): Move check for addresses with
9617 alignment ANDs before the call for compare_base_decls.
9618 (memrefs_conflict_p): Return -1 for different decls
9619 that went through alignment adjustments.
9621 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9623 PR rtl-optimization/68796
9624 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9625 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9626 and QImode comparisons against zero with CC_NZmode.
9627 * config/aarch64/iterators.md (short_mask): New mode_attr.
9629 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9631 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9632 (<avx512>_store<mode>_mask): Likewise.
9634 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
9635 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9637 PR rtl-optimization/68841
9638 * ifcvt.c (struct noce_if_info): Add orig_x field.
9639 (bbs_ok_for_cmove_arith): Add to_rename parameter.
9640 Don't record conflicts on to_rename if it's present.
9641 Allow memory destinations in sets.
9642 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9643 blocks, passing orig_x to the checks.
9644 (noce_process_if_block): Set if_info->orig_x appropriately.
9646 2016-01-11 Tom de Vries <tom@codesourcery.com>
9648 PR tree-optimization/69069
9649 * tree-parloops.c (create_parallel_loop): Add missing phi args.
9651 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
9653 PR rtl-optimization/68920
9654 * config/i386/i386.c (ix86_option_override_internal): Restrict number
9655 of conditional moves for RTL if-conversion to 1 for
9656 TARGET_ONE_IF_CONV_INSN.
9657 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9658 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9659 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9660 parameter to restirct number of conditional moves for
9662 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9663 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9666 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
9669 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9670 onepart vars. Fix typo in comment. Fix reversed condition in
9672 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9675 * var-tracking.c (dump_onepart_variable_differences): New.
9676 (dataflow_set_different): If a detailed dump is requested,
9677 delay early returns and dump differences between onepart
9678 variables present before and after, and added variables.
9680 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
9683 * expr.c (expand_expr_real_1): For boolean vector constants
9684 with a scalar mode use const_scalar_mask_from_tree.
9685 (const_scalar_mask_from_tree): New.
9686 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9687 assigned to a mask type to handle constants.
9689 2016-01-11 Martin Jambor <mjambor@suse.cz>
9692 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9693 useless parameters if we cannot change function signature.
9695 2016-01-11 Martin Jambor <mjambor@suse.cz>
9698 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9701 2016-01-11 Tom de Vries <tom@codesourcery.com>
9703 PR tree-optimization/69109
9704 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9707 2016-01-11 Tom de Vries <tom@codesourcery.com>
9709 PR tree-optimization/69108
9710 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9711 res is not used in a phi.
9713 2016-01-11 Yury Gribov <y.gribov@samsung.com>
9716 * common.opt (frandom-seed): Fix parameter name.
9717 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9719 2016-01-11 Tom de Vries <tom@codesourcery.com>
9721 PR tree-optimization/69058
9722 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9725 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
9727 * config/arc/arc.opt (mdiv-rem): Add period to the end.
9728 (mcode-density): Likewise.
9730 2016-01-10 Tom de Vries <tom@codesourcery.com>
9732 PR tree-optimization/69062
9733 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9734 (parallelize_loops): Don't paralelize loop that has phi with address
9737 2016-01-10 Tom de Vries <tom@codesourcery.com>
9739 PR tree-optimization/69039
9740 * tree-parloops.c (try_create_reduction_list): Only allow single exit
9743 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
9746 * match.pd: Require target has function_c99_misc before doing
9747 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9749 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
9751 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9753 * configure: Regenerate.
9755 2016-01-09 Jakub Jelinek <jakub@redhat.com>
9758 PR tree-optimization/69097
9759 * fold-const.h (expr_not_equal_to): New prototype.
9760 * fold-const.c: Include stringpool.h and tree-ssanames.h.
9761 (expr_not_equal_to): New function.
9762 * match.pd (X % -Y is the same as X % Y): Don't optimize
9763 unless X is known not to be equal to minimum or Y is known
9764 not to be equal to -1.
9765 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9766 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9767 (simplify_stmt_using_ranges): Adjust caller.
9768 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9769 substitute_and_fold.
9771 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
9773 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9776 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9778 PR tree-optimization/69167
9779 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9780 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9782 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9784 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9785 Richard Biener <rguenther@suse.de>
9787 PR tree-optimization/68707
9788 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9789 instances that can be handled via vect_load_lanes.
9791 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
9793 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9794 if we can't determine address equivalence.
9795 * alias.c (compare_base_decl): Update for changed return value of
9796 symtab_node::equal_address_to.
9798 2016-01-08 Jason Merrill <jason@redhat.com>
9802 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9803 * expr.c (store_field): Not here.
9804 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9805 call with TREE_ADDRESSABLE type.
9806 * tree-cfg.c (verify_gimple_call): Adjust.
9808 2016-01-08 Olivier Hainque <hainque@adacore.com>
9810 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9813 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9815 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9816 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9817 (reduc_smin_v2sf): Rename to...
9818 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9819 (reduc_splus_v2sf): Rename to...
9820 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9822 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9824 PR tree-optimization/69162
9825 * gimplify.c (gimplify_va_arg_expr): Encode original type of
9826 valist argument in another argument.
9827 (gimplify_modify_expr): Adjust for the above change. Cleanup.
9828 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9829 to determine the va_list type, build a MEM_REF instead of
9830 build_fold_indirect_ref.
9832 PR tree-optimization/69172
9833 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9836 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
9838 PR tree-optimization/67781
9839 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9840 and cmpnop in two steps: first the ones not accessed in original
9841 gimple expression in a endian independent way and then the ones not
9842 accessed in the final result in an endian-specific way.
9844 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9846 PR tree-optimization/69083
9847 * tree-vect-slp.c (vect_get_constant_vectors): For
9848 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9849 element type. If op is fold_convertible_p to vector_type's element
9850 type, use NOP_EXPR instead of VCE.
9852 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
9854 PR rtl-optimization/67778
9855 PR rtl-optimization/68634
9856 PR rtl-optimization/68909
9857 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
9858 block from the stack until done with it. Remove a superfluous
9859 bitmap set. Remove a superfluous bitmap test.
9861 2016-01-07 Martin Sebor <msebor@redhat.com>
9864 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9865 constraint on the type of arguments.
9867 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
9869 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9870 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9871 unaligned_access on the gcc_options set.
9872 * config/arm/arm.c (arm_option_override_internal): Use
9873 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9875 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9878 * config/i386/i386.c (ix86_frame_pointer_required): Enable
9879 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9881 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9884 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9887 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9888 depending on frame_pointer_needed before remaining integer and SSE
9889 registers are saved.
9891 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
9894 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9896 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
9899 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9900 Use the "xBm" constraint.
9901 (float<sseintvecmodelower><mode>2<mask_name><round_name):
9903 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9904 (sse_cvtsi2ssq<round_name>): Likewise.
9905 (sse_cvtss2si<round_name>): Likewise.
9906 (sse_cvtss2siq<round_name>): Likewise.
9907 (sse2_cvtsi2sdq<round_name>): Likewise.
9908 (sse2_cvtsd2si<round_name>): Likewise.
9909 (sse2_cvtsd2siq<round_name>): Likewise.
9910 * config/i386/subst.md (round_nimm_scalar_predicate): New
9913 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
9916 * varasm.c (make_decl_rtl): Mark invalid register vars as
9919 PR rtl-optimization/66206
9920 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9921 All callers changed.
9923 2016-01-07 Jakub Jelinek <jakub@redhat.com>
9925 PR tree-optimization/69141
9926 * tree-ssa-pre.c: Include langhooks.h.
9927 (eliminate_dom_walker::before_dom_children): Use
9928 lang_hooks.decl_printable_name instead of
9929 cgraph_node::get ()->name ().
9932 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9933 it and DECL_ALIGN too.
9935 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
9937 * config/mips/mips-ftypes.def: Sort to lexicographical order.
9939 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9942 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9943 depending on frame_pointer_needed before remaining integer and SSE
9944 registers are saved.
9946 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9948 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9949 mode iterator with VSX_M2.
9950 (*p9_vecstore_<mode>): Likewise.
9951 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9952 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9953 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9954 (define_split for VSX_LE128 stores): Likewise.
9955 (define_peephole2 for TImode LE swaps): Likewise.
9956 (define_split for VSX_LE128 post-reload stores): Likewise.
9958 2016-01-06 Marek Polacek <polacek@redhat.com>
9961 * convert.c (convert_to_integer_1): Adjust call to
9962 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
9963 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
9964 EXPR instead of ARG.
9965 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9967 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9970 * doc/extend.texi (RL78 Variable Attributes): New section.
9972 2016-01-05 Marek Polacek <polacek@redhat.com>
9975 * builtins.c (get_memmodel): Use expansion point location rather than
9976 the input location. Call warning_at rather than warning.
9977 (expand_builtin_atomic_compare_exchange): Likewise.
9978 (expand_builtin_atomic_load): Likewise.
9979 (expand_builtin_atomic_store): Likewise.
9980 (expand_builtin_atomic_clear): Likewise.
9982 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9985 * config/i386/i386.c (ix86_expand_vector_logical_operator):
9986 Replace nonimmediate_operand with vector_operand.
9987 * config/i386/predicates.md (vector_operand): New predicate.
9988 (general_vector_operand): Replace nonimmediate_operand with
9990 * config/i386/sse.md: Replace nonimmediate_operand with
9991 vector_operand and m constraint with Bm constraint on SSE
9992 patterns with 16-byte memory operand.
9993 * config/i386/subst.md (round_nimm_predicate): Replace
9994 nonimmediate_operand with vector_operand.
9995 (round_saeonly_nimm_predicate): Likewise.
9996 (round_saeonly_nimm_scalar_predicate): New.
9998 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
10001 * config/i386/constraints.md (Bm): New constraint.
10002 * config/i386/predicates.md (vector_memory_operand): New
10004 * config/i386/sse.md: Replace xm with xBm in plusminus and
10005 any_logic patterns.
10007 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
10010 * doc/extend.texi (V850 Function Attributes): New section.
10011 (V850 Variable Attributes): New section.
10013 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
10016 * doc/extend.texi (MicroBlaze Function Attributes): Document
10017 interrupt_handler and fast_interrupt attributes.
10019 2016-01-05 Sergei Trofimovich <siarheit@google.com>
10022 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
10023 for local symbolic operands.
10024 * config/ia64/predicates.md (local_symbolic_operand64): New
10027 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10029 PR rtl-optimization/68651
10030 * combine.c (combine_simplify_rtx): Canonicalize x + x into
10033 2016-01-05 Nathan Sidwell <nathan@acm.org>
10035 * alias.c (compare_base_decls): Use symtab_node::get.
10037 2016-01-05 Nick Clifton <nickc@redhat.com>
10040 * ira-costs.c (copy_cost): Initialise the t_icode field of the
10041 secondary_reload_info structure.
10044 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
10045 decls if weak support is available.
10047 2016-01-04 Martin Sebor <msebor@redhat.com>
10049 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
10051 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
10053 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
10054 OPTION_MASK_P9_DFORM.
10056 * config/rs6000/constraints.md (wo constraint): New constraint for
10059 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
10061 (rs6000_init_hard_regno_mode_ok): Likewise.
10063 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
10066 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
10067 expanders not to have constraints. Add support for ISA 3.0 xxperm
10068 instruction. Add support for fusing xxlor with xxperm.
10069 (altivec_vperm_<mode>_internal): Likewise.
10070 (altivec_vperm_v8hiv16qi): Likewise.
10071 (altivec_vperm_<mode>v16q): Likewise.
10072 (altivec_vperm_<mode>_uns): Likewise.
10073 (vperm_v8hiv4si): Likewise.
10074 (vperm_v16qiv8hi): Likewise.
10076 * doc/md.texi (RS/6000 constraints): Document wo constraint.
10078 2016-01-04 Jakub Jelinek <jakub@redhat.com>
10080 Update copyright years.
10082 * gcc.c (process_command): Update copyright notice dates.
10083 * gcov-dump.c (print_version): Ditto.
10084 * gcov.c (print_version): Ditto.
10085 * gcov-tool.c (print_version): Ditto.
10086 * gengtype.c (create_file): Ditto.
10087 * doc/cpp.texi: Bump @copying's copyright year.
10088 * doc/cppinternals.texi: Ditto.
10089 * doc/gcc.texi: Ditto.
10090 * doc/gccint.texi: Ditto.
10091 * doc/gcov.texi: Ditto.
10092 * doc/install.texi: Ditto.
10093 * doc/invoke.texi: Ditto.
10095 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
10097 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
10098 modes larger than TImode as TImode if NEON is not enabled.
10100 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
10103 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
10104 mode for %f0-%f31 only if TARGET_FPU.
10106 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
10109 * config/sparc/sparc.c (scan_record_type): Take into account subfields
10110 to compute the PACKED_P predicate.
10111 (function_arg_record_value): Minor tweaks.
10113 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
10115 * doc/install.texi (--with-multilib-list): Describe the meaning of the
10116 option for arm*-*-* targets.
10118 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
10120 * doc/extend.texi (Common Function Attributes): Move docs for
10121 MSP430-specific attributes to....
10122 (MSP430 Function Attributes): ...here. Delete the redundant
10123 entries and copy-edit the remaining text.
10124 (MSP430 Variable Attributes): Use uniform format for index
10125 entries and add a cross-reference to the corresponding function
10128 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
10130 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
10132 (x86 Options): Likewise.
10134 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
10138 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
10139 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
10140 to corresponding attribute.
10142 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
10144 * doc/extend.texi (Common Function Attributes) <noplt>: Move
10145 to correct alphabetization of table. Copy-edit and correct
10147 <stack_protect>: Likewise.
10148 <target_clones>: Likewise.
10150 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
10151 Correct punctuation.
10152 (Code Gen Options) <-fno-plt>: Copy-edit.
10154 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
10157 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
10158 SI values. Explicitly convert SI to DI and vice-versa.
10160 2016-01-01 Jakub Jelinek <jakub@redhat.com>
10162 PR tree-optimization/69070
10163 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
10164 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
10167 * ubsan.c (ubsan_instrument_float_cast): Call
10168 initialize_sanitizer_builtins.
10171 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
10173 Copyright (C) 2016 Free Software Foundation, Inc.
10175 Copying and distribution of this file, with or without modification,
10176 are permitted in any medium without royalty provided the copyright
10177 notice and this notice are preserved.