1 2016-05-04 Alan Modra <amodra@gmail.com>
3 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
8 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
9 Clean up p5600 comments.
11 2016-05-04 Richard Biener <rguenther@suse.de>
13 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
14 constructor simplifications.
15 * fold-const.c (fold_ternary_loc): Remove duplicate functionality
18 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
20 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
21 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
22 result.set_rtx is null instead of aborting.
23 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
25 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
26 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
27 *mov<mode>_store_postinc): New patterns.
29 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
31 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
32 as commutative. Check both conversions are NOP.
33 ((A & B) OP (C & B)): Remove.
35 2016-05-04 Alan Modra <amodra@gmail.com>
37 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
39 2016-05-04 Alan Modra <amodra@gmail.com>
42 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
43 when cr2,3,4 are all fixed regs.
45 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
47 PR rtl-optimization/57193
48 * opts.c (default_options_table): Revert OPT_frename_registers change.
49 * doc/invoke.texi (-frename-registers, -O2): Likewise.
51 2016-05-03 Martin Sebor <msebor@redhat.com>
54 * builtins.c (fold_builtin_FILE): New function.
55 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
56 (fold_builtin_0): Call them.
57 * gimplify.c (gimplify_call_expr): Remove the handling of
58 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
61 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
62 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
66 * doc/extend.texi (Function Names as Strings): Update __func__,
67 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
70 2016-05-03 Jakub Jelinek <jakub@redhat.com>
71 Richard Biener <rguenther@suse.de>
73 PR tree-optimization/70916
74 * tree-if-conv.c: Include cfganal.h.
75 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
76 and remove_fake_exit_edges around the optimization pass.
78 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
80 * cgraph.c (symbol_table::create_edge): Set inline_failed.
81 (cgraph_edge::make_direct): Likewise.
82 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
83 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
84 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
85 (CIF_THUNK): New code.
86 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
87 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
88 (compute_inline_parameters): Set inline_failed for thunks.
89 (inline_analyze_function): Cleanup.
90 * ipa-inline.c (can_inline_edge_p): Do not deal with
91 call_stmt_cannot_inline_p.
92 (can_early_inline_edge_p): Likewise.
93 (early_inliner): Initialize inline_failed.
94 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
96 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
99 from nonimm_ssenomem_operand.
100 (nonimm_ssenomem_operand): New predicate.
101 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
102 as operand 0 predicate.
103 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
104 Disable unsupported alternatives using "enabled" attribute.
105 Use register_ssemem_operand as operand 0 predicate.
106 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
108 2016-05-03 Marek Polacek <polacek@redhat.com>
111 * input.c (expansion_point_location): New function.
112 * input.h (expansion_point_location): Declare.
114 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
116 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
117 occurence with frame_offset_ ones.
119 2016-05-03 Alan Modra <amodra@gmail.com>
121 PR rtl-optimization/70890
122 * ira.c (combine_and_move_insns): When moving def_insn, remove
125 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
127 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
128 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
129 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
130 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
132 2016-05-03 Alan Modra <amodra@gmail.com>
134 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
135 for SAVE_MULTIPLE/STORE_MULTIPLE.
137 2016-05-03 Jakub Jelinek <jakub@redhat.com>
139 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
140 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead
143 2016-05-03 Richard Biener <rguenther@suse.de>
145 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
147 (gimplify_arg): Likewise.
148 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
149 re-writing the result to a decl if required.
150 (internal_get_tmp_var): Add allow_ssa parameter
151 and override into_ssa with it.
152 (get_formal_tmp_var): Adjust.
153 (get_initialized_tmp_var): Add allow_ssa parameter.
154 (gimplify_arg): Add allow_ssa parameter and avoid generating
155 SSA names for the result false.
156 (gimplify_call_expr): If the call may return twice do not
157 gimplify parameters into SSA.
158 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
159 (gimplify_modify_expr): Adjust assert. For noreturn calls
160 with a SSA name LHS adjust its def.
161 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
162 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
163 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
164 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
165 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
166 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
167 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
168 (optimize_target_teams): Do not allow SSA names for clause operands.
169 (gimplify_expr): Likewise for where we mark the result addressable.
170 * passes.def (pass_init_datastructures): Remove.
171 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
172 (rewrite_stmt): Likewise.
173 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
174 (replace_locals_op): Replace SSA names.
175 (copy_gimple_seq_and_replace_locals): Init src_cfun.
176 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
177 * cgraph.c (release_function_body): Free CFG annotations only
178 when we have a CFG. Simplify.
179 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
180 force_gimple_operand instead of get_initialized_tmp_var.
181 * tree-pass.h (make_pass_init_datastructures): Remove.
182 * tree-ssa.c (execute_init_datastructures): Remove.
183 (pass_data_init_datastructures): Likewise.
184 (class pass_init_datastructures): Likewise.
185 (make_pass_init_datastructures): Likewise.
186 * omp-low.c (create_omp_child_function): Init SSA data structures.
187 (grid_expand_target_grid_body): Likewise.
188 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
189 name before adding it to names_to_release.
190 (remove_bb): Always release SSA defs.
191 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
192 before dereferencing it.
193 * cgraphunit.c (init_lowered_empty_function): Always
194 int SSA data structures.
195 * tree-ssanames.c (release_defs): Remove assert that we are in
197 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
199 2016-05-03 Jakub Jelinek <jakub@redhat.com>
200 Uros Bizjak <ubizjak@gmail.com>
202 PR rtl-optimization/70467
203 * config/i386/predicates.md (x86_64_hilo_int_operand,
204 x86_64_hilo_general_operand): New predicates.
205 * config/i386/constraints.md (Wd): New constraint.
206 * config/i386/i386.md (mode attr di): Use Wd instead of e.
207 (general_hilo_operand): New mode attr.
208 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
209 instead of <general_operand>.
210 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
211 x86_64_hilo_general_operand instead of <general_operand>.
213 2016-05-03 Jakub Jelinek <jakub@redhat.com>
215 PR tree-optimization/70916
216 * tree-if-conv.c (constant_or_ssa_name): Removed.
217 (fold_build_cond_expr): Use is_gimple_val instead of
218 constant_or_ssa_name.
220 PR tree-optimization/70916
221 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
222 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
225 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
226 (optimize_atomic_bit_test_and): New function.
227 (pass_fold_builtins::execute): Use it.
228 * optabs.def (atomic_bit_test_and_set_optab,
229 atomic_bit_test_and_complement_optab,
230 atomic_bit_test_and_reset_optab): New optabs.
231 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
232 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
233 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
234 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
235 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
236 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
237 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
238 * doc/md.texi (atomic_bit_test_and_set@var{mode},
239 atomic_bit_test_and_complement@var{mode},
240 atomic_bit_test_and_reset@var{mode}): Document.
241 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
242 atomic_bit_test_and_complement<mode>,
243 atomic_bit_test_and_reset<mode>): New expanders.
244 (atomic_bit_test_and_set<mode>_1,
245 atomic_bit_test_and_complement<mode>_1,
246 atomic_bit_test_and_reset<mode>_1): New insns.
248 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
250 PR rtl-optimization/70687
251 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
252 instead of unsigned HOST_WIDE_INT.
254 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
256 PR rtl-optimization/44281
257 * hard-reg-set.h (struct target_hard_regs): New field
258 x_fixed_nonglobal_reg_set.
259 (fixed_nonglobal_reg_set): New macro.
260 * reginfo.c (init_reg_sets_1): Initialize it.
261 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
263 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
265 2016-05-03 Bin Cheng <bin.cheng@arm.com>
267 PR tree-optimization/56541
268 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
269 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
270 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
271 (any_complicated_phi): new static variable.
272 (aggressive_if_conv): delete.
273 (if_convertible_phi_p): support phis with more than two arguments.
274 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
276 (ifcvt_split_critical_edges): support phis with more than two
277 arguments by checking new parameter. only split critical edges
279 (tree_if_conversion): handle simd pragma marked loop using new
280 local variable aggressive_if_conv. check any_complicated_phi.
282 2016-05-03 Bin Cheng <bin.cheng@arm.com>
284 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
287 2016-05-03 Bin Cheng <bin.cheng@arm.com>
289 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
292 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
294 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
295 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
296 define_insn_and_split.
297 (mulsi3_i): New define_insn_and_split.
298 (mulsi3_call): Convert to define_insn.
299 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
302 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
304 * machmode.h (mode_complex): Add support to give the complex mode
306 (GET_MODE_COMPLEX_MODE): Likewise.
307 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
308 stored by build_complex_type and gfc_build_complex_type instead of
309 trying to figure out the appropriate mode based on the size. Raise
310 an assertion error, if the type was not set.
311 * genmodes.c (struct mode_data): Add field for the complex type of
313 (blank_mode): Likewise.
314 (make_complex_modes): Remember the complex mode created in the
316 (emit_mode_complex): Write out the mode_complex array to map a
317 type mode to the complex version.
318 (emit_insn_modes_c): Likewise.
319 * tree.c (build_complex_type): Set the complex type to use before
321 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
322 support for __float128 complex datatypes.
323 (rs6000_hard_regno_mode_ok): Likewise.
324 (rs6000_setup_reg_addr_masks): Likewise.
325 (rs6000_complex_function_value): Likewise.
326 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
327 __float128 and __ibm128 complex.
328 (FLOAT128_IBM_P): Likewise.
329 (ALTIVEC_ARG_MAX_RETURN): Likewise.
330 * doc/extend.texi (Additional Floating Types): Document that
331 -mfloat128 must be used to enable __float128. Document complex
332 __float128 and __ibm128 support.
334 2016-05-02 Jakub Jelinek <jakub@redhat.com>
337 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
338 char/short arguments promoted to int because of promote_prototypes.
340 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
342 * config/i386/predicates.md (register_ssemem_operand): New predicate.
343 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
344 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
345 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
346 alternatives using "enabled" attribute. Use register_ssemem_operand
347 as operand 1 predicate.
348 (*cmpi<unord>xf_i387): Split XFmode pattern from
349 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
350 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
351 *absneg<mode>2_i387. Disable unsupported alternatives using
353 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
355 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
357 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
359 (oacc_loop_process): Check mask for loop termination.
361 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
363 * cif-code.def (CIF_THUNK): Add.
364 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
367 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
369 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
370 (dump_inline_summary): Dump it.
371 (fp_expression_p): New predicate.
372 (estimate_function_body_sizes): Use it.
373 (inline_merge_summary): Merge fp_expressions.
374 (inline_read_section): Read fp_expressions.
375 (inline_write_summary): Write fp_expressions.
376 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
377 codegen boundary if either caller or callee is !fp_expressions.
378 * ipa-inline.h (inline_summary): Add fp_expressions.
379 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
380 to fp_expressions be sure the fp generation flags are updated.
382 2016-05-02 Jakub Jelinek <jakub@redhat.com>
384 PR rtl-optimization/70467
385 * cse.c (cse_insn): Handle no-op MEM moves after folding.
387 PR rtl-optimization/70467
388 * ipa-pure-const.c (check_call): Handle internal calls even in
389 ipa mode like in local mode.
391 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
393 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
395 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
397 * match.pd (X u< X, X u> X): New transformations.
399 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
401 * flag-types.h (enum warn_strict_overflow_code): Move ...
402 * coretypes.h: ... here.
403 * fold-const.h (fold_overflow_warning): Declare.
404 * fold-const.c (fold_overflow_warning): Make non-static.
405 (fold_comparison): Move the transformation of X +- C1 CMP C2
406 into X CMP C2 -+ C1 ...
407 * match.pd: ... here.
408 * gimple-fold.c (fold_stmt_1): Protect with
409 fold_defer_overflow_warnings.
411 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
413 * omp-low.c (struct oacc_loop): Add 'inner' field.
414 (new_oacc_loop_raw): Initialize it to zero.
415 (oacc_loop_fixed_partitions): Initialize it.
416 (oacc_loop_auto_partitions): Partition outermost loop to outermost
417 available partitioning.
419 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
421 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
423 (umulsidi3): Likewise.
424 (indirect_jump): Fix jump instruction assembly patterns.
426 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
429 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
430 (nvptx_function_value): Assert non-NULL cfun.
432 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
434 PR rtl-optimization/70886
435 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
437 * cselib.h (rtx_equal_for_cselib_1): Declare.
438 (rtx_equal_for_cselib_p: New inline function.
439 * cselib.c (rtx_equal_for_cselib_p): Delete.
440 (rtx_equal_for_cselib_1): Make public.
442 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
444 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
445 (register_mixssei387nonimm_operand): Remove predicate.
446 * config/i386/i386.md (*fop_<mode>_comm): Merge from
447 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
448 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
449 for TARGET_MIX_SSE_I387 alternatives.
450 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
451 Disable unsupported alternatives using "enabled" attribute. Use
452 nonimm_ssenomem_operand as operand 1 predicate. Also check
453 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
455 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
457 * tree.c (cst_and_fits_in_hwi): Simplify.
459 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
461 * tree.h (wi::to_wide): New function.
462 * expr.c (expand_expr_real_1): Use wi::to_wide.
463 * fold-const.c (int_const_binop_1): Likewise.
464 (extract_muldiv_1): Likewise.
466 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
468 * wide-int.h: Update offset_int and widest_int documentation.
469 (WI_SIGNED_SHIFT_RESULT): New macro.
470 (wi::binary_shift): Define signed_shift_result_type for
471 shifts on offset_int- and widest_int-like types.
472 (generic_wide_int): Support <<= and >>= if << and >> are supported.
473 * tree.h (int_bit_position): Use shift operators instead of wi::
475 * alias.c (adjust_offset_for_component_ref): Likewise.
476 * expr.c (get_inner_reference): Likewise.
477 * fold-const.c (fold_comparison): Likewise.
478 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
479 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
480 * tree-dfa.c (get_ref_base_and_extent): Likewise.
481 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
482 (stmt_kills_ref_p): Likewise.
483 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
484 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
485 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
486 (ao_ref_init_from_vn_reference): Likewise.
488 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
490 * wide-int.h: Update offset_int and widest_int documentation.
491 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
492 (wi::binary_traits): Allow ordered comparisons between offset_int and
493 offset_int, between widest_int and widest_int, and between either
494 of these types and basic C types.
495 (operator <, <=, >, >=): Define for the same combinations.
496 * tree.h (tree_int_cst_lt): Use comparison operators instead
498 (tree_int_cst_le): Likewise.
499 * gimple-fold.c (fold_array_ctor_reference): Likewise.
500 (fold_nonarray_ctor_reference): Likewise.
501 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
502 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
503 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
504 * tree-sra.c (completely_scalarize): Likewise.
505 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
506 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
507 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
508 (check_for_binary_op_overflow): Likewise.
509 (search_for_addr_array): Likewise.
510 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
512 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
514 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
515 (arc_save_restore): Likewise.
516 (arc_dwarf_register_span): Likewise.
517 (arc_output_pic_addr_const): Initialize suffix variable.
519 2016-05-02 Martin Liska <mliska@suse.cz>
521 * symbol-summary.h (function_summary::function_summary):
522 Remove checking assert for all cgraph nodes.
523 (function_summary::get): Check summary_uid.
524 (symtab_insertion): Check summary_uid.
526 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
528 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
529 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
531 (arc_dwarf_register_span): Remove enum keyword.
532 (compact_memory_operand_p): New function.
533 * config/arc/arc.h (reg_class): Add code density register classes.
534 (REG_CLASS_NAMES): Likewise.
535 (REG_CLASS_CONTENTS): Likewise.
536 * config/arc/arc.md (*movqi_insn): Add code density instructions.
537 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
538 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
539 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
540 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
542 (h, Rcd, Rsd, Rzd): New register constraints.
543 (T): Use compact_memory_operand_p function.
544 * config/arc/predicates.md (compact_load_memory_operand): Remove.
546 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
548 * config/sh/sh.md (*negnegt, *movtt): Remove.
550 2016-05-02 Marek Polacek <polacek@redhat.com>
551 Tom de Vries <tom@codesourcery.com>
553 PR tree-optimization/70700
554 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
555 bigger than FIRST_REF_NODE.
557 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
560 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
562 (prepare_cbranch_operands): Don't use scratch register. Assume that
563 function is used when pseudos can be created.
564 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
565 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
566 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
567 define_expand. Allow it only when pseudos can be created.
568 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
570 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
572 * config/i386/constraints.md (BC): Only allow -1 operands.
573 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
574 Add "enabled" attribute. Update XI mode attribute calculation.
575 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
576 (*movoi_internal_avx): Update XI mode attribute calculation.
577 (*movti_internal): Ditto.
579 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
581 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
582 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
584 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
586 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
587 statement on instruction code. Remove trailing spaces.
588 (altivec_expand_stv_builtin): Likewise.
590 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
592 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
593 (TARGET_FPU_DOUBLE): Simplify.
594 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
595 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
596 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
597 with 'TARGET_FPU_DOUBLE'.
598 * config/sh/sh.md: Likewise.
600 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
602 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
603 SH_DIV_STR_FOR_SIZE): Remove.
604 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
605 SH_DIV_STR_FOR_SIZE): Remove.
607 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
609 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
610 logical_reg_operand): Delete.
611 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
612 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
613 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
614 match_operand and match_test.
615 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
616 variables on their first use. Return bool values.
617 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
618 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
619 arith_reg_operand for input operand. Remove empty constraints.
621 (*xorsi3_compact): Rename to xorsi3.
622 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
623 (*zero_extend<mode>si2_disp_mem): Update comment.
626 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
628 * config/sh/t-sh: Remove SH5 support.
629 * config.gcc: Likewise.
630 * configure: Likewise.
632 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
634 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
636 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
638 * config/sh/sh.c (register_sh_passes, sh_option_override,
639 sh_print_operand, prepare_move_operands,
640 sh_can_follow_jump): Remove TARGET_SH1 checks.
641 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
642 PROMOTE_MODE): Likewise.
643 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
646 2016-04-30 Alan Modra <amodra@gmail.com>
648 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
649 restoring when fixed_reg_p, but allow out-of-line or stmw save.
650 Check for user regs later to avoid unnecessary looping over regs.
651 Merge user reg check with non-saved reg check. Don't force
652 inline VR restore when static chain used.
653 (rs6000_frame_related): Omit eh_frame info for user regs when
655 (fixed_regs_p): Delete.
657 2016-04-30 Alan Modra <amodra@gmail.com>
659 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
660 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
663 2016-04-30 Alan Modra <amodra@gmail.com>
666 * config/rs6000/rs6000.c (fixed_reg_p): New function.
667 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
670 2016-04-30 Alan Modra <amodra@gmail.com>
672 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
673 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
674 flag_pic test for Darwin.
676 2016-04-30 Alan Modra <amodra@gmail.com>
678 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
680 (REG_FREQ_CALLS_CROSSED): Delete.
681 (REG_N_THROWING_CALLS_CROSSED): Delete.
682 * regstat.c (regstat_bb_compute_ri): Don't calculate
683 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
684 (dump_reg_info): Don't print call cross frequency.
685 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
686 and REG_N_THROWING_CALLS_CROSSED.
688 2016-04-30 Alan Modra <amodra@gmail.com>
690 * regs.h (struct reg_info_t): Delete live_length.
691 (REG_LIVE_LENGTH): Delete macro.
692 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
693 local_live, local_processed and local_live_last_luid params.
694 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
696 (regstat_compute_ri): Adjust for above. Don't set
698 (dump_reg_info): Don't print live length.
699 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
700 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
701 Localize loop_depth var.
703 2016-04-30 Alan Modra <amodra@gmail.com>
705 * ira.c (enum valid_equiv): New.
706 (validate_equiv_mem): Return enum.
707 (update_equiv_mem): Create replacement in more cases.
708 (add_store_equivs): Update validate_equiv_mem call.
710 2016-04-30 Alan Modra <amodra@gmail.com>
712 * ira.c (combine_and_move_insns): Rather than scanning insns,
713 use DF infrastucture to find use and def insns.
715 2016-04-30 Alan Modra <amodra@gmail.com>
717 ira.c (combine_and_move_insns): Move invariant conditions..
718 (ira.c): ..to here. Call combine_and_move_insns before
719 add_store_equivs. Call grow_reg_equivs later. Allocate
720 req_equiv later using max_reg_num() rather than global max_regno.
721 (contains_replace_regs): Delete.
722 (add_store_equivs): Remove contains_replace_regs test.
724 2016-04-30 Alan Modra <amodra@gmail.com>
726 * ira.c (struct equiv_mem_data): New.
727 (equiv_mem, equiv_mem_modified): Delete static vars.
728 (validate_equiv_mem_from_store): Use "data" param to communicate..
729 (validate_equiv_mem): ..from here.
731 2016-04-30 Alan Modra <amodra@gmail.com>
733 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
735 (update_reg_equivs): ..here. Move allocation and freeing of
736 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
737 end_alias_analysis to..
740 2016-04-30 Alan Modra <amodra@gmail.com>
742 * ira.c (pdx_subregs): Delete.
743 (struct equivalence): Add pdx_subregs field.
744 (set_paradoxical_subreg): Remove pdx_subregs param. Update
746 (update_equiv_regs): Don't create or free pdx_subregs. Update
749 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
751 * config/rs6000/altivec.h: Change definitions of vec_xl and
753 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
754 (LD_ELEMREV_V2DI): New.
755 (LD_ELEMREV_V4SF): New.
756 (LD_ELEMREV_V4SI): New.
757 (LD_ELEMREV_V8HI): New.
758 (LD_ELEMREV_V16QI): New.
759 (ST_ELEMREV_V2DF): New.
760 (ST_ELEMREV_V2DI): New.
761 (ST_ELEMREV_V4SF): New.
762 (ST_ELEMREV_V4SI): New.
763 (ST_ELEMREV_V8HI): New.
764 (ST_ELEMREV_V16QI): New.
767 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
768 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
769 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
770 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
771 (altivec_expand_builtin): Add handling for
772 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
773 (rs6000_invalid_builtin): Add error-checking for
774 RS6000_BTM_P9_VECTOR.
775 (altivec_init_builtins): Define builtins used to implement vec_xl
777 (rs6000_builtin_mask_names): Define power9-vector.
778 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
779 (RS6000_BTM_P9_VECTOR): Define.
780 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
781 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
782 (vsx_ld_elemrev_v2df): Likewise.
783 (vsx_ld_elemrev_v4sf): Likewise.
784 (vsx_ld_elemrev_v4si): Likewise.
785 (vsx_ld_elemrev_v8hi): Likewise.
786 (vsx_ld_elemrev_v16qi): Likewise.
787 (vsx_st_elemrev_v2df): Likewise.
788 (vsx_st_elemrev_v2di): Likewise.
789 (vsx_st_elemrev_v4sf): Likewise.
790 (vsx_st_elemrev_v4si): Likewise.
791 (vsx_st_elemrev_v8hi): Likewise.
792 (vsx_st_elemrev_v16qi): Likewise.
793 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
796 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
798 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
800 (simplify_control_stmt_condition_1): ... here. Recurse into
801 BIT_AND_EXPRs and BIT_IOR_EXPRs.
803 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
806 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
807 (zero_extendqi<mode>2_dot): Revert earlier conversion from
808 define_insn_and_split to define_insn.
809 (zero_extendqi<mode>2_dot2): Same.
810 (extendqi<mode>2_dot): Same.
811 (extendqi<mode>2_dot2): Same.
813 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
815 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
816 (probe_stack): New expander.
817 (probe_stack_<mode>): New insn pattern.
819 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
821 * config/i386/i386.md
822 (operations with memory inputs setting flags peephole2):
823 Remove uneeded REG_P checks. Cleanup pattern generation.
825 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
827 * tree-vect-loop.c (vect_transform_loop): Fix
828 nb_iterations_upper_bound computation for vectorized loop.
830 2016-04-29 Marek Polacek <polacek@redhat.com>
831 Jakub Jelinek <jakub@redhat.com>
834 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
835 TARGET_EXPR_SLOT as a base.
837 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
839 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
840 with 'rCm2' constraints to limit possible immediate size.
841 (*load_zeroextendqisi_update): Likewise.
842 (*load_signextendqisi_update): Likewise.
843 (*loadhi_update): Likewise.
844 (*load_zeroextendhisi_update): Likewise.
845 (*load_signextendhisi_update): Likewise.
846 (*loadsi_update): Likewise.
847 (*loadsf_update): Likewise.
849 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
851 * config/i386/predicates.md (constm1_operand): Fix comparison.
853 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
855 * testsuite/gcc.target/arc/ieee_eq.c: New test.
857 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
859 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
860 remaining SH5 related settings.
861 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
862 shmedia_prepare_call_address): Delete.
863 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
864 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
865 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
866 UNSUPPORTED_SH2A): Remove m5 checks.
867 (sh_divide_strategy_e): Remove SH5 division strategies.
868 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
869 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
871 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
873 * config/s390/s390.c (s390_rtx_costs): Update documentation.
875 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
877 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
878 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
880 * config/s390/vector.md ("mov<mode>"): Likewise.
882 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
884 * config/s390/constraints.md ("U", "W"): Invoke
885 s390_mem_constraint with "ZR" and "ZT".
886 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
887 addresses when using LRA. Accept also short displacements for S
888 and T constraints. Do not check for long displacement target for
890 (s390_mem_constraint): Remove handling of U and W constraints.
891 * config/s390/s390.md (various patterns): Remove the short
892 displacement constraints (Q and R) if a long displacement
893 constraint is present. Add longdisp as required CPU capability.
894 * config/s390/vector.md: Likewise.
895 * config/s390/vx-builtins.md: Likewise.
897 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
900 * reload1.c (reload): Call finish_spills before
901 restarting reload loop. Skip select_reload_regs
902 if update_eliminables_and_spill returns true.
904 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
906 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
907 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
908 (umulhisi3_imm): Update predicates and constraint letters.
909 (umulhisi3_reg): Declare instruction as commutative.
910 * config/arc/constraints.md (J12, J16): New constraints.
911 * config/arc/predicates.md (short_unsigned_const_operand): New
913 (arc_short_operand): Likewise.
914 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
916 2016-04-29 Richard Biener <rguenther@suse.de>
918 PR tree-optimization/13962
919 PR tree-optimization/65686
920 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
921 * tree-ssa-alias.c (ptrs_compare_unequal): New function
922 using PTA to compare pointers.
923 * match.pd: Add pattern for pointer equality compare simplification
924 using ptrs_compare_unequal.
926 2016-04-29 Richard Biener <rguenther@suse.de>
928 * stor-layout.c (layout_type): Do not build a pointer-to-element
931 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
933 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
934 Use SWI mode iterator. Use general_reg_operand predicate.
935 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
936 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
939 2016-04-29 Jakub Jelinek <jakub@redhat.com>
942 * fold-const.c (operand_equal_p): Don't verify hash value equality
944 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
947 2016-04-28 Jakub Jelinek <jakub@redhat.com>
950 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
951 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
952 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
953 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
954 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
956 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
958 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
959 to info. Don't initialize separate fields to 0. Clean up
962 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
964 * config/i386/i386.md (peephole2s for operations with memory inputs):
965 Use SWI mode iterator.
966 (peephole2s for operations with memory outputs): Ditto.
967 Do not check for stack checking probe.
969 (probe_stack): Remove expander.
971 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
972 Andrew Burgess <andrew.burgess@embecosm.com>
974 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
977 2016-04-28 Jason Merrill <jason@redhat.com>
979 * gdbinit.in: Skip line-map.h.
981 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
982 Andrew Burgess <andrew.burgess@embecosm.com>
984 * config/arc/arc.c (arc_conditional_register_usage): Take
985 TARGET_RRQ_CLASS into account.
986 (arc_print_operand): Support printing 'p' and 's' operands.
987 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
989 (TARGET_RRQ_CLASS): Define.
990 (IS_POWEROF2_OR_0_P): Define.
991 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
993 (*tst_movb): New define_insn.
994 (*tst): Avoid recognition if it could prevent '*tst_movb'
995 combination; replace c/CnL with c/Chs alternative.
996 (*tst_bitfield_tst): New define_insn.
997 (*tst_bitfield_asr): New define_insn.
998 (*tst_bitfield): New define_insn.
999 (andsi3_i): Add Rrq variant.
1000 (extzv): New define_expand.
1001 (insv): New define_expand.
1002 (*insv_i): New define_insn.
1003 (*movb): New define_insn.
1004 (*movb_signed): New define_insn.
1005 (*movb_high): New define_insn.
1006 (*movb_high_signed): New define_insn.
1007 (*movb_high_signed + 1): New define_split pattern.
1008 (*mrgb): New define_insn.
1009 (*mrgb + 1): New define_peephole2 pattern.
1010 (*mrgb + 2): New define_peephole2 pattern.
1011 * config/arc/arc.opt (mbitops): New option for nps400, uses
1012 TARGET_NPS_BITOPS_DEFAULT.
1013 * config/arc/constraints.md (q): Make register class conditional.
1014 (Rrq): New register constraint.
1015 (Chs): New constraint.
1016 (Clo): New constraint.
1017 (Chi): New constraint.
1018 (Cbf): New constraint.
1019 (Cbn): New constraint.
1020 (C18): New constraint.
1021 (Cbi): New constraint.
1023 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
1025 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
1027 (bitmap_intersection_of_preds): Ditto.
1028 (bitmap_union_of_succs): Ditto.
1029 (bitmap_union_of_preds): Ditto.
1030 * sbitmap.c (do_popcount): Delete.
1031 (BITMAP_DEBUGGING): Delete.
1032 (sbitmap_verify_popcount): Delete.
1033 (sbitmap_alloc): Don't initialize the popcount field.
1034 (sbitmap_alloc_with_popcount): Delete.
1035 (sbitmap_resize): Don't resize the popcount array.
1036 (sbitmap_vector_alloc): Don't initialize the popcount field.
1037 (bitmap_copy): Don't copy the popcount array.
1038 (bitmap_clear): Don't clear the popcount array.
1039 (bitmap_clear): Delete the popcount array handling.
1040 (bitmap_ior_and_compl): Delete the popcount assert.
1041 (bitmap_not): Ditto.
1042 (bitmap_and_compl): Ditto.
1043 (bitmap_and): Delete the popcount array handling.
1044 (bitmap_xor): Ditto.
1045 (bitmap_ior): Ditto.
1046 (bitmap_or_and): Delete the popcount assert.
1047 (bitmap_and_or): Ditto.
1048 (popcount_table): Delete.
1049 (sbitmap_elt_popcount): Delete.
1050 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
1051 (bitmap_set_bit): Delete the popcount assert.
1052 (bitmap_clear_bit): Ditto.
1053 (sbitmap_free): Don't free the popcount array.
1054 (sbitmap_alloc_with_popcount): Delete declaration.
1055 (sbitmap_popcount): Ditto.
1057 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
1058 Andrew Burgess <andrew.burgess@embecosm.com>
1060 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
1061 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
1062 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
1063 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
1064 * config/arc/arc.opt (mcmem): New option.
1065 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
1066 supply length for r/m alternative.
1067 (*extendqisi2_ac): Likewise.
1068 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
1070 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
1071 (movhi_insn): Likewise.
1072 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
1073 (*zero_extendqihi2_i): Add r/Ucm alternative.
1074 (*zero_extendqisi2_ac): Likewise.
1075 (*zero_extendhisi2_i): Likewise.
1076 * config/arc/constraints.md (Uex): New memory constraint.
1077 (Ucm): New define_constraint.
1078 * config/arc/predicates.md (long_immediate_loadstore_operand):
1079 Return 0 for MEM with cmem_address address.
1080 (cmem_address_0): New predicates.
1081 (cmem_address_1): Likewise.
1082 (cmem_address_2): Likewise.
1083 (cmem_address): Likewise.
1085 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
1087 * config/rs6000/rs6000.c (machine_function): Rename
1088 insn_chain_scanned_p to spe_insn_chain_scanned_p.
1089 (rs6000_stack_info): Adjust.
1091 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
1092 Andrew Burgess <andrew.burgess@embecosm.com>
1094 * config/arc/constraints.md (Usd): Convert to define_constraint.
1098 2016-04-28 Jakub Jelinek <jakub@redhat.com>
1101 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
1102 Add new peephole2 where the first insn is *mov<mode>_or instead of
1103 *mov<mode>_internal.
1105 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
1107 * tracer.c (bb_seen): Make static.
1109 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
1111 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
1112 support, setup defaults.
1113 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
1114 * config/arc/arc.c (arc_init): Add NPS400 support.
1115 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
1116 (TARGET_ARC700): NPS400 is also an ARC700.
1117 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
1119 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
1122 * config/nds32/nds32.md (casesi): Don't access the operands array
1125 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
1127 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
1128 (or $-1,reg peephole2): Ditto.
1129 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
1131 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
1133 * doc/extend.texi (Common Function Attributes) [optimize]:
1134 Discourage use of the optimize attribute.
1136 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
1138 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
1139 special case builtin.
1140 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1141 ALTIVEC_BUILTIN_VEC_ADDE.
1142 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1143 support for ALTIVEC_BUILTIN_VEC_ADDE.
1144 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1145 for __builtin_vec_adde.
1147 2016-04-28 Jakub Jelinek <jakub@redhat.com>
1149 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
1150 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
1152 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1155 * doc/sourcebuild.texi (Effective-Target Keywords, Other
1156 attributes): Document cilkplus_runtime.
1158 2016-04-28 Martin Jambor <mjambor@suse.cz>
1160 * tree-cfg.c (verify_expr): Verify that local declarations belong to
1161 this function. Call verify_expr on MEM_REFs and bases of other
1164 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1166 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
1167 for WORD_REGISTER_OPERATIONS to runtime check.
1169 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1171 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
1173 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1175 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
1176 big-endian compilation.
1177 * config/arc/arc.md (addf3): Likewise.
1181 2016-04-28 Richard Biener <rguenther@suse.de>
1183 PR tree-optimization/70840
1184 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
1185 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
1186 Mark x * pow(x,c) -> pow(x,c+1) commutative.
1187 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
1189 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1191 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
1192 and explain why in a comment.
1194 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1196 * config/arc/arc.md (cpu_facility): Add fpx variant.
1197 (subdf3): Prohibit use reverse sub when assist operations option
1199 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
1200 instructions only when FPX is enabled.
1201 * testsuite/gcc.target/arc/trsub.c: New test.
1203 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
1205 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
1206 mult_operator when calculating "type" attribute.
1207 (*fop_<mode>_1_i387): Ditto.
1208 (*fop_xf_1_i387): Ditto.
1209 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
1210 Use std::swap to swap operands. Use RTL expressions to generate
1213 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1214 Joern Rennecke <joern.rennecke@embecosm.com>
1216 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
1218 (emit_pic_move): Remove.
1219 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
1220 * config/arc/arc.c (emit_pic_move): Removed.
1221 (TARGET_HAVE_TLS): Define.
1222 (arc_conditional_register_usage): Test for arc_tp_regno.
1223 (arc_print_operand, arc_print_operand_address): Handle TLS
1225 (arc_needs_pcl_p): New function.
1226 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
1227 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
1228 (arc_raw_symbolic_reference_mentioned_p): Likewise.
1229 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
1230 (arc_legitimize_tls_address): Likewise.
1231 (DTPOFF_ZERO_SYM): Define.
1232 (arc_legitimize_pic_address): Make it static, handle TLS cases.
1233 (arc_output_pic_addr_const): Print TLS unspecs.
1234 (prepare_pic_move): New function, replaces emit_pic_move.
1235 (arc_legitimate_constant_p): Handle TLS unspecs.
1236 (arc_legitimate_address_p): Likewise.
1237 (arc_rewrite_small_data_p): Use assert for TLS constants.
1238 (prepare_move_operands): Use prepare_pic_move.
1239 (arc_legitimize_address): Legitimize tls addresses.
1240 (arc_epilogue_uses): Check for arc_tp_regno.
1241 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
1242 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
1244 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
1246 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
1247 %(arc_tls_extra_start_spec).
1248 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
1249 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
1251 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
1252 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
1253 (UNSPEC_TLS_OFF): Add.
1255 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
1256 (get_thread_pointersi): New patterns.
1257 * config/arc/arc.opt (mtp-regno): New option.
1258 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
1259 (move_dest_operand): Likewise.
1260 * configure: Regenerate.
1261 * configure.ac: Add arc*-*-* case to test for tls.
1262 * doc/invoke.texi (ARC options): Document mtp-regno.
1264 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
1266 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
1267 the new ARC HS SIMD instructions.
1268 (arc_preferred_simd_mode): New function.
1269 (arc_autovectorize_vector_sizes): Likewise.
1270 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
1271 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
1272 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
1273 (arc_init_builtins): Add new SIMD builtin types.
1274 (arc_split_move): Handle 64 bit vector moves.
1275 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
1276 (TARGET_PLUS_QMACW): Define.
1277 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
1278 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
1279 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
1280 (VSUBADD4H): New builtins.
1281 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
1282 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
1284 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
1285 Matthias Klose <doko@debian.org>
1287 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
1289 2016-04-28 Richard Biener <rguenther@suse.de>
1292 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
1295 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
1297 * common/config/sh/sh-common.c: Remove SH5 support.
1298 * config/sh/constraints.md: Likewise.
1299 * config/sh/config/sh/elf.h: Likewise.
1300 * config/sh/linux.h: Likewise.
1301 * config/sh/netbsd-elf.h: Likewise.
1302 * config/sh/predicates.md: Likewise.
1303 * config/sh/sh-c.c: Likewise.
1304 * config/sh/sh-protos.h: Likewise.
1305 * config/sh/sh.c: Likewise.
1306 * config/sh/sh.h: Likewise.
1307 * config/sh/sh.md: Likewise.
1308 * config/sh/sh.opt: Likewise.
1309 * config/sh/sync.md: Likewise.
1310 * config/sh/sh64.h: Delete.
1311 * config/sh/shmedia.h: Likewise.
1312 * config/sh/shmedia.md: Likewise.
1313 * config/sh/sshmedia.h: Likewise.
1314 * config/sh/t-netbsd-sh5-64: Likewise.
1315 * config/sh/t-sh64: Likewise.
1316 * config/sh/ushmedia.h: Likewise.
1318 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
1320 * config/i386/i386.md (sign_extend to memory peephole2s): Use
1321 general_reg_operand instead of register_operand predicate.
1323 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1325 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
1327 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
1329 * match.pd (A - B > A, A + B < A): New transformations.
1331 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
1333 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
1334 which defaults to true. Emit an outer pair of parentheses only if
1335 EMIT_PARENS. When continuing a chain of && or || (or & or |),
1336 don't emit parentheses for the right-hand operand.
1338 2016-04-27 Jeff Law <law@redhat.com>
1340 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
1342 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1344 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
1345 (altivec_lvx_<mode>_internal): Document.
1346 (altivec_lvx_<mode>_2op): New define_insn.
1347 (altivec_lvx_<mode>_1op): Likewise.
1348 (altivec_lvx_<mode>_2op_si): Likewise.
1349 (altivec_lvx_<mode>_1op_si): Likewise.
1350 (altivec_stvx_<mode>): Remove.
1351 (altivec_stvx_<mode>_internal): Document.
1352 (altivec_stvx_<mode>_2op): New define_insn.
1353 (altivec_stvx_<mode>_1op): Likewise.
1354 (altivec_stvx_<mode>_2op_si): Likewise.
1355 (altivec_stvx_<mode>_1op_si): Likewise.
1356 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1357 Expand vec_ld and vec_st during parsing.
1358 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
1360 (altivec_expand_stvx_be): Likewise.
1361 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
1362 address-masking behavior in RTL.
1363 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
1364 address-masking behavior in RTL.
1365 (altivec_expand_builtin): Change builtin code arguments for calls
1366 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
1367 (insn_is_swappable_p): Avoid incorrect swap optimization in the
1368 presence of lvx/stvx patterns.
1369 (alignment_with_canonical_addr): New function.
1370 (alignment_mask): Likewise.
1371 (find_alignment_op): Likewise.
1372 (recombine_lvx_pattern): Likewise.
1373 (recombine_stvx_pattern): Likewise.
1374 (recombine_lvx_stvx_patterns): Likewise.
1375 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
1376 stvx patterns from expand.
1377 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
1379 (vector_altivec_store_<mode>): Likewise.
1381 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
1383 * config/aarch64/aarch64.md
1384 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
1385 remove the "fp" attributes.
1386 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
1387 add the "simd" attributes.
1388 (*movdf_aarch64): Likewise.
1389 (*movtf_aarch64): Remove the "fp" attributes.
1390 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
1391 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
1393 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1395 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
1396 rtx to rtx_code_label *.
1397 * rtl.h (maybe_set_first_label_num): Likewise.
1399 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1401 * df-core.c (df_add_problem): Make the problem param be const.
1402 (df_remove_problem): Make local "problem" be const.
1403 * df-problems.c (problem_RD): Make const.
1404 (problem_LR): Likewise.
1405 (problem_LIVE): Likewise.
1406 (problem_MIR): Likewise.
1407 (problem_CHAIN): Likewise.
1408 (problem_WORD_LR): Likewise.
1409 (problem_NOTE): Likewise.
1410 (problem_MD): Likewise.
1411 * df-scan.c (problem_SCAN): Likewise.
1412 * df.h (struct df_problem): Make field "dependent_problem" be
1414 (struct dataflow): Likewise for field "problem".
1415 (df_add_problem): Make param const.
1417 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
1419 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
1420 inter-unit moves to/from vector registers are enabled. Do not disable
1423 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1425 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
1426 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
1428 (enum df_problem_id): ...this new enum.
1429 (struct df_problem): Convert field "id" from "int" to
1432 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1434 * rtl.def: Update comment for "things in the instruction chain" to
1435 reflect the removal of the leading "i" field for INSN_UID in
1436 r210360. Fix bogus apostrophe.
1438 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
1440 * config/i386/i386.md
1441 (lea arith with mem operand + setcc peephole2): Set operator mode.
1443 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
1446 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
1447 (dimode_scalar_to_vector_candidate_p): This.
1448 (timode_scalar_to_vector_candidate_p): New function.
1449 (scalar_to_vector_candidate_p): Likewise.
1450 (timode_check_non_convertible_regs): Likewise.
1451 (timode_remove_non_convertible_regs): Likewise.
1452 (remove_non_convertible_regs): Likewise.
1453 (remove_non_convertible_regs): Renamed to ...
1454 (dimode_remove_non_convertible_regs): This.
1455 (scalar_chain::~scalar_chain): Make it virtual.
1456 (scalar_chain::compute_convert_gain): Make it pure virtual.
1457 (scalar_chain::mark_dual_mode_def): Likewise.
1458 (scalar_chain::convert_insn): Likewise.
1459 (scalar_chain::convert_registers): Likewise.
1460 (scalar_chain::add_to_queue): Make it protected.
1461 (scalar_chain::emit_conversion_insns): Likewise.
1462 (scalar_chain::replace_with_subreg): Likewise.
1463 (scalar_chain::replace_with_subreg_in_insn): Likewise.
1464 (scalar_chain::convert_op): Likewise.
1465 (scalar_chain::convert_reg): Likewise.
1466 (scalar_chain::make_vector_copies): Likewise.
1467 (scalar_chain::convert_registers): New pure virtual function.
1468 (class dimode_scalar_chain): New class.
1469 (class timode_scalar_chain): Likewise.
1470 (scalar_chain::mark_dual_mode_def): Renamed to ...
1471 (dimode_scalar_chain::mark_dual_mode_def): This.
1472 (timode_scalar_chain::mark_dual_mode_def): New function.
1473 (timode_scalar_chain::convert_insn): Likewise.
1474 (dimode_scalar_chain::convert_registers): Likewise.
1475 (scalar_chain::compute_convert_gain): Renamed to ...
1476 (dimode_scalar_chain::compute_convert_gain): This.
1477 (scalar_chain::replace_with_subreg): Renamed to ...
1478 (dimode_scalar_chain::replace_with_subreg): This.
1479 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
1480 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
1481 (scalar_chain::make_vector_copies): Renamed to ...
1482 (dimode_scalar_chain::make_vector_copies): This.
1483 (scalar_chain::convert_reg): Renamed to ...
1484 (dimode_scalar_chain::convert_reg ): This.
1485 (scalar_chain::convert_op): Renamed to ...
1486 (dimode_scalar_chain::convert_op): This.
1487 (scalar_chain::convert_insn): Renamed to ...
1488 (dimode_scalar_chain::convert_insn): This.
1489 (scalar_chain::convert): Call convert_registers.
1490 (convert_scalars_to_vector): Change to scalar_chain pointer to
1491 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
1492 in 32-bit mode. Delete scalar_chain pointer. Call
1493 free_dominance_info in 64-bit mode.
1494 (pass_stv::gate): Remove TARGET_64BIT check.
1495 (ix86_option_override): Put the 64-bit STV pass before the CSE
1498 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
1500 * dwarf2out.h (struct dw_loc_descr_node): Remove the
1501 dw_loc_frame_offset field.
1502 * dwarf2out.c (new_loc_descr): Likewise.
1503 (resolve_args_picking_1): Turn the VISITED hash set into a
1504 FRAME_OFFSET hash map. Use it to associate a frame offset to
1505 visited nodes. Remove uses of the CHECKING_P macro.
1506 (resolve_args_picking): Update call to resolve_args_picking_1.
1508 2016-04-27 Martin Liska <mliska@suse.cz>
1510 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
1511 (free_loop_data): Release vuses of groups.
1513 2016-04-27 Bin Cheng <bin.cheng@arm.com>
1515 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
1516 instead of redundant use_id and boolean have_use_for.
1517 (struct iv_use): Change sub_id into group_id. Remove field next.
1518 Move fields: related_cands, n_map_members, cost_map and selected
1520 (struct iv_group): ... here. New structure.
1521 (struct iv_common_cand): Use structure declaration directly.
1522 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
1523 (MAX_CONSIDERED_USES): Rename macro to ...
1524 (MAX_CONSIDERED_GROUPS): ... here.
1525 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
1526 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
1527 (dump_uses): Rename to ...
1528 (dump_groups): ... here. Update all uses.
1529 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
1530 (find_induction_variables): Refactor format of dump information.
1531 (record_sub_use): Delete.
1532 (record_use): Update all uses.
1533 (record_group): New function.
1534 (record_group_use, find_interesting_uses_op): Call above functions.
1536 (find_interesting_uses_cond): Ditto.
1537 (group_compare_offset): New function.
1538 (split_all_small_groups): Rename to ...
1539 (split_small_address_groups_p): ... here. Update all uses.
1540 (split_address_groups): Update all uses.
1541 (find_interesting_uses): Refactor format of dump information.
1542 (add_candidate_1): Update all uses. Remove redundant check on iv,
1544 (add_candidate, record_common_cand): Remove redundant assert.
1545 (add_iv_candidate_for_biv): Update use.
1546 (add_iv_candidate_derived_from_uses): Update all uses.
1547 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
1548 (alloc_use_cost_map): Ditto.
1549 (set_use_iv_cost, get_use_iv_cost): Rename to ...
1550 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
1551 (determine_use_iv_cost_generic): Ditto.
1552 (determine_group_iv_cost_generic): Ditto.
1553 (determine_use_iv_cost_address): Ditto.
1554 (determine_group_iv_cost_address): Ditto.
1555 (determine_use_iv_cost_condition): Ditto.
1556 (determine_group_iv_cost_cond): Ditto.
1557 (determine_use_iv_cost): Ditto.
1558 (determine_group_iv_cost): Ditto.
1559 (set_autoinc_for_original_candidates): Update all uses.
1560 (find_iv_candidates): Update all uses. Refactor dump information.
1561 (determine_use_iv_costs): Ditto.
1562 (determine_iv_costs): Ditto.
1563 (iv_ca_cand_for_use): Rename to ...
1564 (iv_ca_cand_for_group): ... here. Update all uses.
1565 (iv_ca_add_use, iv_ca_add_group): Ditto.
1566 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
1567 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
1568 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
1569 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
1570 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
1571 (create_new_iv, adjust_iv_update_pos): Ditto.
1572 (rewrite_use_address): Delete.
1573 (rewrite_use_address_1): Rename to ...
1574 (rewrite_use_address): ... here.
1575 (rewrite_use_compare): Update all uses.
1576 (rewrite_use): Delete.
1577 (rewrite_uses): Rename to ...
1578 (rewrite_groups): ... here. Update all uses.
1579 (remove_unused_ivs, free_loop_data): Update all uses.
1580 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
1582 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1584 * rtlanal.c (nonzero_bits1): Convert preprocessor check
1585 for WORD_REGISTER_OPERATIONS to runtime check.
1587 2016-04-27 Richard Biener <rguenther@suse.de>
1590 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1591 aggregate_value_p to determine if a function result is
1592 returned by reference.
1593 (ipa_pta_execute): Functions having their address taken are
1594 not automatically nonlocal.
1596 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1599 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1600 * fold-const.c (operand_equal_p): If flag_checking and
1601 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1602 and if it returns non-zero, assert iterative_hash_expr on both
1605 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1607 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1609 2016-04-27 Nick Clifton <nickc@redhat.com>
1612 * varasm.c (merge_weak): Generate an error if an attempt is made
1613 to convert a non-weak static function into a weak, public function.
1615 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1617 * params.def (MAX_PARTITION_SIZE): New param.
1618 * doc/invoke.texi: Document lto-max-partition.
1620 2016-04-27 Richard Biener <rguenther@suse.de>
1623 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1624 function cummulating used_from_other_partition, externally_visible
1625 and force_output from aliases.
1626 (refered_from_nonlocal_var): Likewise.
1627 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1628 node flags properly.
1630 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1632 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1633 (-Wmemset-elt-size): New item.
1635 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
1638 * stor-layout.h (internal_reference_types): Delete.
1639 * stor-layout.c (reference_types_internal): Likewise.
1640 (internal_reference_types): Likewise.
1641 (layout_type) <REFERENCE_TYPE>: Adjust.
1643 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1646 * tree.h (inchash::add_expr): Add FLAGS argument.
1647 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
1648 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
1649 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1650 Formatting fix. Adjust recursive calls. For tcc_comparison,
1651 if swap_tree_comparison (code) is smaller than code, hash that
1652 and arguments in the other order. Hash CONVERT_EXPR the same
1653 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1654 of ADDR_EXPR of decl as the decl itself. Add or remove
1655 OEP_ADDRESS_OF from recursive flags as needed. For
1656 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1657 operands commutatively and only the third one normally.
1658 For internal CALL_EXPR hash in CALL_EXPR_IFN.
1660 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
1662 * config/rtems.h (LIB_SPEC): Add -latomic.
1664 2016-04-27 Joel Sherrill <joel@rtems.org>
1666 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1667 xilink.ld and flags not relevant to RTEMS.
1669 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
1671 * toplev.c (backend_init_target): Avoid calling init_reload when using
1674 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1676 * reorg.c (try_merge_delay_insns): Declare i and j inside the
1677 for loops rather than one for the whole function.
1679 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1681 * match.pd (X + CST CMP X): New transformation.
1683 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1685 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1686 * fold-const.c (fold_binary_loc): Remove 2 transformations
1687 superseded by match.pd.
1688 * match.pd (x+x -> x*2): Generalize to integers.
1690 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
1692 * config/i386/i386.md (operation on memory peephole): Duplicate an
1693 existing peephole and adapt it to match lea rather than an operation
1696 PR rtl-optimization/57193
1697 * opts.c (default_options_table): Add OPT_frename_registers at -O2
1699 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1701 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1703 * tree-if-conv.c (any_pred_load_store): New static variable.
1704 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
1705 any_pred_load_store instead of and_mask_load_store.
1706 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1707 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1708 (combine_blocks, tree_if_conversion): Ditto.
1710 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1712 PR tree-optimization/70771
1713 PR tree-optimization/70775
1714 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1715 virtual PHI nodes. Delete parameter.
1716 (if_convertible_loop_p_1): Delete argument to above function.
1717 (predicate_all_scalar_phis): Delete code handling single-argument
1719 (tree_if_conversion): Mark and update virtual SSA.
1721 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1724 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1725 (x86_elf_aligned_common): Rename to ...
1726 (x86_elf_aligned_decl_common): ... this.
1727 Add decl arg. Switch to .lbss for largecomm object. Use
1728 LARGECOMM_SECTION_ASM_OP.
1729 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1731 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1732 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1734 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1735 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1737 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1740 * config/i386/i386.c (SECTION_LARGE): Define.
1741 (x86_64_elf_select_section): Set it for large data/bss sections.
1742 Only clear SECTION_WRITE for .lrodata.
1743 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1745 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1746 * varasm.c (default_elf_asm_named_section): Grow flagchars.
1747 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1749 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1750 * doc/tm.texi: Regenerate.
1752 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1755 * configure.ac (--enable-checking): Document extra flag, for
1756 non-release builds default to --enable-checking=yes,extra.
1757 If misc checking and extra checking, define CHECKING_P to 2 instead
1759 * common.opt (fchecking=): Add.
1760 * doc/invoke.texi (-fchecking=): Document.
1761 * doc/install.texi: Document --enable-checking changes.
1762 * configure: Regenerated.
1763 * config.in: Regenerated.
1765 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1767 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1768 attribute instead of which_alternative.
1769 * config/i386/sse.md (*mov<mode>_internal): Ditto.
1770 Use EXT_REX_SSE_REG_P where appropriate.
1772 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1774 * config/i386/predicates.md (const0_operand): Do not match
1775 const_wide_int code.
1776 (const1_operand): Ditto.
1778 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1780 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1781 for SSE constm1 operands and TARGET_AVX512VL.
1782 (*movti_internal): Ditto.
1783 (*mov<mode>_or): Use constm1_operand predicate.
1784 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1785 for SSE vector_all_ones operands and TARGET_AVX512VL.
1786 * config/i386/predicates.md (constm1_operand): New predicate.
1787 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1788 emission of constant -1 load.
1790 2016-04-25 Jason Merrill <jason@redhat.com>
1792 * gdbinit.in: Skip is-a.h.
1794 * attribs.c (register_scoped_attributes): Fix logic.
1795 * attribs.h: Declare register_scoped_attributes.
1797 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1799 * config/rs6000/rs6000-builtin.def: Correct pasto error for
1800 stxvd2x and stxvw4x built-in functions.
1802 2016-04-25 DJ Delorie <dj@redhat.com>
1804 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1805 (ashrhi3): Likewise.
1806 (lshrhi3): Likewise.
1808 2016-04-25 Richard Biener <rguenther@suse.de>
1810 PR tree-optimization/70780
1811 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1813 (compute_antic): Mark blocks with abnormal preds as visited as
1814 they have a final empty antic-in solution already.
1816 2016-04-25 Michael Collison <michael.collison@linaro.org>
1818 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1820 2016-04-25 Michael Collison <michael.collison@linaro.org>
1822 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1823 mode is VQI to improve mixed mode vectorization.
1824 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1825 define_insn to match low half of signed vaddw.
1826 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1827 define_insn to match high half of signed vaddw.
1828 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1829 define_insn to match low half of unsigned vaddw.
1830 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1831 define_insn to match high half of unsigned vaddw.
1832 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1833 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1834 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1836 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1837 * config/arm/predicates.md (vect_par_constant_high): Support
1838 big endian and simplify by calling
1839 arm_simd_check_vect_par_cnst_half
1840 (vect_par_constant_low): Likewise.
1842 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1844 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1845 predicate for operand 2.
1847 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
1848 H.J. Lu <hongjiu.lu@intel.com>
1850 * config/i386/i386-protos.h (standard_sse_constant_p): Add
1851 machine_mode argument.
1852 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1853 constm1_rtx operands. For VOIDmode constants, get mode from
1854 pred_mode. Check mode size if the mode is supported by ABI.
1855 (standard_sse_constant_opcode): Do not use standard_constant_p.
1856 Strictly check ABI support for all-ones operands.
1857 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1858 immediates. Update calls to standard_sse_constant_p.
1859 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1860 (ix86_rtx_costs): Ditto.
1861 * config/i386/i386.md (*movxi_internal_avx512f): Use
1862 nonimmediate_or_sse_const_operand instead of vector_move_operand.
1863 Use (v,BC) alternative instead of (v,C). Use register_operand
1864 checks instead of MEM_P.
1865 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1866 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
1867 isa attribute. Use register_operand checks instead of MEM_P.
1868 (*movti_internal): Use nonimmediate_or_sse_const_operand for
1869 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
1870 alternative and corresponding sse2 isa attribute.
1871 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1872 to standard_sse_constant_p.
1873 (FP constant splitters): Ditto.
1874 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1876 * config/i386/predicates.md (constm1_operand): Remove.
1877 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1878 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1879 vector_all_ones_operand instead of constm1_operand.
1881 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1883 * print-rtl.c (print_rtx_insn_vec): New function.
1884 * print-rtl.h: New prototype.
1885 * store-motion.c (struct st_expr): Make avail_stores a vector.
1886 (st_expr_entry): Adjust.
1887 (free_st_expr_entry): Likewise.
1888 (print_store_motion_mems): Likewise.
1889 (find_moveable_store): Likewise.
1890 (compute_store_table): Likewise.
1891 (delete_store): Likewise.
1892 (build_store_vectors): Likewise.
1894 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1896 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1898 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1900 * vec.h (vec_safe_contains): New function.
1901 (vec::contains): Likewise.
1902 (vec::begin): Likewise.
1903 (vec::end): Likewise.
1905 2016-04-23 Jakub Jelinek <jakub@redhat.com>
1908 * cfgexpand.c (expand_stack_vars): Fix typo.
1910 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1912 * system.h (list, map, set, vector): Include conditionally.
1913 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1914 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1915 * ipa-icf.c (INCLUDE_LIST): Define.
1916 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1917 * config/sh/sh.c (INCLUDE_VECTOR): Define.
1918 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1919 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1920 * cp/logic.cc (INCLUDE_LIST): Define.
1921 * fortran/trans-common.c (INCLUDE_MAP): Define.
1923 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1925 * auto-profile.c: Remove <string.h> include.
1926 * ipa-icf-gimple.c: Remove <list> include.
1927 * diagnostic.c: Remove <new> include.
1928 * genmatch.c: Likewise.
1929 * pretty-print.c: Likewise.
1930 * toplev.c: Likewise
1931 * c/c-objc-common.c: Likewise.
1932 * cp/error.c: Likewise.
1933 * fortran/error.c: Likewise.
1935 2016-04-22 Richard Biener <rguenther@suse.de>
1937 * lto-streamer-in.c (input_ssa_names): Do not allocate
1938 GIMPLE_NOP for all SSA names.
1939 * lto-streamer-out.c (output_ssa_names): Do not output
1940 SSA names that should have been released.
1942 2016-04-22 Richard Biener <rguenther@suse.de>
1944 PR tree-optimization/70740
1945 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1948 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
1951 * config/i386/predicates.md (call_insn_operand): Replace
1952 sibcall_memory_operand with memory_operand.
1954 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1956 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1957 has_single_use() tests.
1958 (register_edge_assert_for_1): Likewise.
1959 (find_assert_locations_1): Check the liveness bitmap instead of
1960 checking has_single_use().
1962 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
1965 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1966 Extract AVX-512BW constraint from AVX.
1968 2016-04-21 Richard Biener <rguenther@suse.de>
1970 PR tree-optimization/70725
1971 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1972 for phi_convertible_by_degenerating_args.
1973 (predicate_all_scalar_phis): Handle single-argument PHIs.
1975 2016-04-21 Richard Biener <rguenther@suse.de>
1978 * fold-const.c (fold_comparison): Return properly typed
1981 2016-04-21 Bin Cheng <bin.cheng@arm.com>
1983 PR tree-optimization/70715
1984 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1985 after expanding BASE using expand_simple_operations.
1987 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1989 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1990 New transformations.
1992 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1994 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1996 2016-04-20 Jan Hubicka <jh@suse.cz>
1998 * ipa-inline.c (can_inline_edge_p): Pass caller info to
1999 ultiimate_alias_target.
2000 (update_callee_keys): Likewise.
2001 (lookup_recursive_calls): Likewise.
2002 (speculation_useful_p): Likewise.
2004 2016-04-20 Jan Hubicka <jh@suse.cz>
2007 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
2008 (set_nothrow_flag_1): ... this; handle interposition correctly;
2009 recurse on aliases and thunks.
2010 (cgraph_node::set_nothrow_flag): New.
2011 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
2012 functions compiled with non-call exceptions that binds to current
2014 (propagate_nothrow): Be safe WRT interposition.
2015 * cgraph.h (set_nothrow_flag): Update prototype.
2017 2016-04-18 Jan Hubicka <jh@suse.cz>
2019 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2020 max_loop_iterations_int.
2021 (tree_unswitch_outer_loop): Likewise.
2023 2016-04-20 Bin Cheng <bin.cheng@arm.com>
2025 PR tree-optimization/69489
2026 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
2027 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
2028 Revise dump message.
2029 (if_convertible_bb_p): Remove check on edge count of basic block's
2032 2016-04-20 Bin Cheng <bin.cheng@arm.com>
2034 PR tree-optimization/56625
2035 PR tree-optimization/69489
2036 * tree-data-ref.h (DR_INNERMOST): New macro.
2037 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
2038 hashing struct innermost_loop_behavior.
2039 (ref_DR_map): Remove.
2040 (innermost_DR_map): New map.
2041 (baseref_DR_map): Revise comment.
2042 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
2043 to innermost_DR_map accroding to its innermost loop behavior.
2044 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
2045 to its innermost loop behavior.
2046 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
2047 Add initialization for innermost_DR_map. Record memory reference
2048 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
2049 have innermost loop behavior.
2050 (if_convertible_loop_p): Remove release for ref_DR_map. Release
2053 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
2055 * config/i386/i386.md (*lea<mode>_general_1): Rename from
2056 *lea_general_1. Use explicit SWI12 mode interator.
2057 (*lea<mode>_general_2): Rename from *lea_general_2.
2058 Use explicit SWI12 mode interator.
2059 (*lea<mode>_general_3): Rename from *lea_general_3.
2060 Use explicit SWI12 mode interator.
2061 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
2062 Use explicit SWI12 mode interator.
2063 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
2064 Use explicit SWI48 mode interator.
2066 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
2068 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
2069 Short-cut unaligned load and store cases. Handle all integer
2071 (ix86_expand_vector_move_misalign): Short-cut unaligned load
2072 and store cases. Call ix86_avx256_split_vector_move_misalign
2073 directly without checking mode class.
2075 2016-04-20 Andrew Pinski <apinski@cavium.com>
2076 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2079 * config/aarch64/aarch64.md (sibcall): Force call
2080 address to be DImode for ILP32.
2081 (sibcall_value): Likewise.
2083 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
2085 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
2087 2016-04-20 Richard Biener <rguenther@suse.de>
2089 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
2090 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
2091 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
2092 (maybe_push_res_to_seq): Adjust.
2093 * gimple-fold.c (maybe_build_generic_op): Likewise.
2095 2016-04-20 Marek Polacek <polacek@redhat.com>
2097 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
2100 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
2102 * config/i386/sse.md (vec_unpacks_lo_hi): Always
2103 use kmovw to support AVX512F target.
2105 2016-04-20 Bin Cheng <bin.cheng@arm.com>
2107 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
2109 2016-04-20 Marek Polacek <polacek@redhat.com>
2111 PR tree-optimization/70725
2112 * tree-if-conv.c (is_false_predicate): New function.
2113 (predicate_mem_writes): Use it.
2115 2016-04-20 Richard Biener <rguenther@suse.de>
2117 PR tree-optimization/70726
2118 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
2119 shift amounts from a pattern stmt operand.
2121 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2124 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
2125 stack_restore_from_fpr pattern when restoring r15.
2126 (s390_optimize_prologue): Strip away the memory barrier in the
2127 parallel when trying to get rid of restore insns.
2128 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
2129 definition for loading the stack pointer from an FPR. Compared to
2130 the normal move insn this pattern includes a full memory barrier.
2132 2016-04-19 Jakub Jelinek <jakub@redhat.com>
2135 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
2136 implicitly linear or lastprivate iterator on the outer context.
2138 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
2140 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
2142 * config/i386/i386.md (ssememalign): Removed.
2143 * config/i386/sse.md: Remove ssememalign attribute from patterns.
2145 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
2148 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
2149 const short * to __builtin_ia32_loaddquhi512_mask.
2150 (_mm512_maskz_loadu_epi16): Likewise.
2151 (_mm512_mask_storeu_epi16): Pass short * to
2152 __builtin_ia32_storedquhi512_mask.
2153 (_mm512_mask_loadu_epi8): Pass const char * to
2154 __builtin_ia32_loaddquqi512_mask.
2155 (_mm512_maskz_loadu_epi8): Likewise.
2156 (_mm512_mask_storeu_epi8): Pass char * to
2157 __builtin_ia32_storedquqi512_mask.
2158 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
2159 const double * to __builtin_ia32_loadupd512_mask.
2160 (_mm512_mask_loadu_pd): Likewise.
2161 (_mm512_maskz_loadu_pd): Likewise.
2162 (_mm512_storeu_pd): Pass double * to
2163 __builtin_ia32_storeupd512_mask.
2164 (_mm512_mask_storeu_pd): Likewise.
2165 (_mm512_loadu_ps): Pass const float * to
2166 __builtin_ia32_loadups512_mask.
2167 (_mm512_mask_loadu_ps): Likewise.
2168 (_mm512_maskz_loadu_ps): Likewise.
2169 (_mm512_storeu_ps): Pass float * to
2170 __builtin_ia32_storeups512_mask.
2171 (_mm512_mask_storeu_ps): Likewise.
2172 (_mm512_mask_loadu_epi64): Pass const long long * to
2173 __builtin_ia32_loaddqudi512_mask.
2174 (_mm512_maskz_loadu_epi64): Likewise.
2175 (_mm512_mask_storeu_epi64): Pass long long *
2176 to __builtin_ia32_storedqudi512_mask.
2177 (_mm512_loadu_si512): Pass const int * to
2178 __builtin_ia32_loaddqusi512_mask.
2179 (_mm512_mask_loadu_epi32): Likewise.
2180 (_mm512_maskz_loadu_epi32): Likewise.
2181 (_mm512_storeu_si512): Pass int * to
2182 __builtin_ia32_storedqusi512_mask.
2183 (_mm512_mask_storeu_epi32): Likewise.
2184 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
2185 char * to __builtin_ia32_storedquqi256_mask.
2186 (_mm_mask_storeu_epi8): Likewise.
2187 (_mm256_mask_loadu_epi16): Pass const short * to
2188 __builtin_ia32_loaddquhi256_mask.
2189 (_mm256_maskz_loadu_epi16): Likewise.
2190 (_mm_mask_loadu_epi16): Pass const short * to
2191 __builtin_ia32_loaddquhi128_mask.
2192 (_mm_maskz_loadu_epi16): Likewise.
2193 (_mm256_mask_loadu_epi8): Pass const char * to
2194 __builtin_ia32_loaddquqi256_mask.
2195 (_mm256_maskz_loadu_epi8): Likewise.
2196 (_mm_mask_loadu_epi8): Pass const char * to
2197 __builtin_ia32_loaddquqi128_mask.
2198 (_mm_maskz_loadu_epi8): Likewise.
2199 (_mm256_mask_storeu_epi16): Pass short * to.
2200 __builtin_ia32_storedquhi256_mask.
2201 (_mm_mask_storeu_epi16): Pass short * to.
2202 __builtin_ia32_storedquhi128_mask.
2203 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
2204 const double * to __builtin_ia32_loadupd256_mask.
2205 (_mm256_maskz_loadu_pd): Likewise.
2206 (_mm_mask_loadu_pd): Pass onst double * to
2207 __builtin_ia32_loadupd128_mask.
2208 (_mm_maskz_loadu_pd): Likewise.
2209 (_mm256_mask_storeu_pd): Pass double * to
2210 __builtin_ia32_storeupd256_mask.
2211 (_mm_mask_storeu_pd): Pass double * to
2212 __builtin_ia32_storeupd128_mask.
2213 (_mm256_mask_loadu_ps): Pass const float * to
2214 __builtin_ia32_loadups256_mask.
2215 (_mm256_maskz_loadu_ps): Likewise.
2216 (_mm_mask_loadu_ps): Pass const float * to
2217 __builtin_ia32_loadups128_mask.
2218 (_mm_maskz_loadu_ps): Likewise.
2219 (_mm256_mask_storeu_ps): Pass float * to
2220 __builtin_ia32_storeups256_mask.
2221 (_mm_mask_storeu_ps): ass float * to
2222 __builtin_ia32_storeups128_mask.
2223 (_mm256_mask_loadu_epi64): Pass const long long * to
2224 __builtin_ia32_loaddqudi256_mask.
2225 (_mm256_maskz_loadu_epi64): Likewise.
2226 (_mm_mask_loadu_epi64): Pass const long long * to
2227 __builtin_ia32_loaddqudi128_mask.
2228 (_mm_maskz_loadu_epi64): Likewise.
2229 (_mm256_mask_storeu_epi64): Pass long long * to
2230 __builtin_ia32_storedqudi256_mask.
2231 (_mm_mask_storeu_epi64): Pass long long * to
2232 __builtin_ia32_storedqudi128_mask.
2233 (_mm256_mask_loadu_epi32): Pass const int * to
2234 __builtin_ia32_loaddqusi256_mask.
2235 (_mm256_maskz_loadu_epi32): Likewise.
2236 (_mm_mask_loadu_epi32): Pass const int * to
2237 __builtin_ia32_loaddqusi128_mask.
2238 (_mm_maskz_loadu_epi32): Likewise.
2239 (_mm256_mask_storeu_epi32): Pass int * to
2240 __builtin_ia32_storedqusi256_mask.
2241 (_mm_mask_storeu_epi32): Pass int * to
2242 __builtin_ia32_storedqusi128_mask.
2243 * config/i386/i386-builtin-types.def (PCSHORT): New.
2245 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
2246 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
2247 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
2248 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
2249 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
2250 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
2251 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
2252 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
2253 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
2254 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
2255 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
2256 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
2257 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
2258 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
2259 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
2260 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
2261 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
2262 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
2263 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
2264 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
2265 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
2266 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
2267 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
2268 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
2269 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
2270 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
2271 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
2272 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
2273 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
2274 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
2275 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
2276 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
2277 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
2278 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
2279 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
2280 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
2281 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
2282 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
2283 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
2284 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
2285 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
2286 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
2287 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
2288 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
2289 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
2290 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
2291 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
2292 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
2293 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
2295 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
2296 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
2298 (ix86_expand_vector_move_misalign): Likewise.
2299 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
2300 to scalar function prototype for unaligned load/store builtins.
2301 (ix86_expand_special_args_builtin): Updated.
2302 * config/i386/sse.md (UNSPEC_LOADU): Removed.
2303 (UNSPEC_STOREU): Likewise.
2304 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
2305 (VI_ULOADSTORE_F_AVX512VL): Likewise.
2306 (ssescalarsize): Handle V4TI, V2TI and V1TI.
2307 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2308 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2309 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
2310 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
2311 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
2312 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
2313 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
2314 (<avx512>_storedqu<mode>_mask): Likewise.
2315 (*sse4_2_pcmpestr_unaligned): Likewise.
2316 (*sse4_2_pcmpistr_unaligned): Likewise.
2317 (*mov<mode>_internal): Renamed to ...
2318 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
2319 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
2320 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
2321 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
2323 2016-04-19 Richard Biener <rguenther@suse.de>
2325 PR tree-optimization/70171
2326 * tree-ssa-phiprop.c: Include stor-layout.h.
2327 (phiprop_insert_phi): Handle the aggregate copy case.
2328 (propagate_with_phi): Likewise.
2330 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
2332 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
2333 instead of simplify_gen_subreg (... , 0).
2334 (ix86_delegitimize_address): Ditto.
2335 (ix86_split_divmod): Ditto.
2336 (ix86_split_copysign_const): Ditto.
2337 (ix86_split_copysign_var): Ditto.
2338 (ix86_expand_args_builtin): Ditto.
2339 (ix86_expand_round_builtin): Ditto.
2340 (ix86_expand_special_args_builtin): Ditto.
2341 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
2342 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
2343 (udivmodqi4): Ditto.
2344 (absneg splitters): Ditto.
2345 (*jcc_bt<mode>_1): Ditto.
2347 2016-04-19 Richard Biener <rguenther@suse.de>
2349 PR tree-optimization/70724
2350 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
2351 restoring out from ...
2352 (free_scc_vn): ... here.
2353 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
2354 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
2356 (pass_fre::execute): Restore SSA info.
2358 2016-04-19 Richard Biener <rguenther@suse.de>
2360 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
2361 * gimple-walk.c (walk_gimple_op): Initialize it.
2362 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
2363 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
2364 remapping SSA names of defs.
2365 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
2368 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
2371 * lra-constraints.c (equiv_substition_p): New.
2372 (process_alt_operands): Use it.
2373 (swap_operands): Swap it.
2374 (curr_insn_transform): Update it.
2376 2016-04-18 Michael Matz <matz@suse.de>
2378 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
2379 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
2380 * tree-core.h (tree_type_common.align): Use bit-field.
2381 (tree_type_common.spare): New.
2382 (tree_decl_common.off_align): Make smaller.
2383 (tree_decl_common.align): Use bit-field.
2385 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
2386 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
2387 (scan_sharing_clauses): Ditto.
2388 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2389 (omp_finish_file): Ditto.
2390 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
2391 (layout_decl): Ditto.
2392 (relayout_decl): Ditto.
2393 (finalize_record_size): Use SET_TYPE_ALIGN.
2394 (finalize_type_size): Ditto.
2395 (finish_builtin_struct): Ditto.
2396 (layout_type): Ditto.
2397 (initialize_sizetypes): Ditto.
2398 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
2399 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
2400 (lookup_field_for_decl): Use SET_DECL_ALIGN.
2401 (get_chain_field): Ditto.
2402 (get_trampoline_type): Ditto.
2403 (get_nl_goto_field): Ditto.
2404 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2406 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
2407 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
2408 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2409 (build_qualified_type): Use SET_TYPE_ALIGN.
2410 (build_aligned_type, build_range_type_1): Ditto.
2411 (build_atomic_base): Ditto.
2412 (build_common_tree_nodes): Ditto.
2413 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
2414 (expand_one_stack_var_at): Ditto.
2415 * coverage.c (build_var): Use SET_DECL_ALIGN.
2416 * except.c (init_eh): Ditto.
2417 * function.c (assign_parm_setup_block): Ditto.
2418 * symtab.c (increase_alignment_1): Ditto.
2419 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
2420 * tree-vect-stmts.c (ensure_base_align): Ditto.
2421 * varasm.c (align_variable): Ditto.
2422 (assemble_variable): Ditto.
2423 (build_constant_desc): Ditto.
2424 (output_constant_def_contents): Ditto.
2426 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
2427 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
2428 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
2429 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
2430 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
2432 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
2435 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
2436 replace %vmovsd with "%vmovq".
2437 (vec_concatv2df): Likewise.
2439 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
2441 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
2442 (*vec_extractv2si_0): Ditto.
2443 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
2444 (zero_extended_scalar_load_operand splitters): Ditto.
2445 (vec_extract splitters): Ditto.
2446 (*vec_extractv4si_0_zext): Ditto.
2447 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
2449 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
2450 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
2451 (*sse4_1_extractps): Use lowpart_subreg.
2453 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2455 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
2457 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
2458 Mention Solaris 11 packaging changes.
2459 Update gas and gld requirements.
2460 Remove reference to pre-Solaris 10 bug.
2461 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
2463 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
2466 2016-04-17 Jan Hubicka <jh@suse.cz>
2468 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
2469 max_loop_iterations_int.
2471 2016-04-18 Richard Biener <rguenther@suse.de>
2473 PR tree-optimization/43434
2474 * tree-ssa-structalias.c (struct vls_data): New.
2475 (visit_loadstore): Handle all pointer-based accesses.
2476 (compute_dependence_clique): Compute a bitmap of restrict tags
2477 assigned bases and pass it to visit_loadstore.
2479 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
2482 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
2483 armv8.1-a and armv8.1-a+crc.
2485 2016-04-18 Richard Biener <rguenther@suse.de>
2487 PR tree-optimization/70701
2488 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
2489 references after translating through a memcpy.
2491 2016-04-18 Richard Biener <rguenther@suse.de>
2493 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
2494 (compute_antic): ... here. For partial antic use regular
2495 postorder and scrap iteration.
2496 (compute_partial_antic_aux): Remove unused return value.
2497 (init_pre): Do not allocate postorder.
2498 (fini_pre): Do not free postorder.
2500 2016-04-18 Richard Biener <rguenther@suse.de>
2503 * expmed.c (extract_bit_field_1): Remove broken case
2504 using a wider MODE_INT mode.
2506 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
2508 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
2509 unless compiling with at least GCC-4.8.
2511 2016-04-17 Jan Hubicka <jh@suse.cz>
2514 * graphite.c (graphite_finalize): Update call to
2515 tree_estimate_probability.
2516 * predict.h (tree_estimate_probability): Update prototype.
2518 2016-04-17 Jan Hubicka <jh@suse.cz>
2520 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
2521 (tree_estimate_probability): Likewise.
2522 (pass_profile::execute): Update.
2523 (report_predictor_hitrates): New function.
2524 * profile.c (compute_branch_probabilities): Use it.
2525 * predict.h (report_predictor_hitrates): Declare.
2527 2016-04-17 Jan Hubicka <jh@suse.cz>
2530 * cgraph.h (cgraph_node::set_const_flag,
2531 cgraph_node::set_pure_flag): Update prototype to return bool;
2533 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
2534 of interposable symbol are interposable, too.
2535 (cgraph_set_const_flag_1): Rename to ...
2536 (set_const_flag_1): ... this one; change to self recursive function
2537 instead of call_for_symbol_thunks_and_aliases. Handle correctly
2538 clearnig the flag in all variants and also virtual thunks of const
2539 functions are pure; track if any change was done.
2540 (cgraph_node::set_const_flag): Update.
2541 (struct set_pure_flag_info): New struct.
2542 (cgraph_set_pure_flag_1): Rename to ...
2543 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
2544 rather than pointer encoded flags; track if any changes was done;
2545 handle correctly clearning flag and setting flag of aliases already
2547 (cgraph_node::set_pure_flag): Update.
2548 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
2550 2016-04-17 Tom de Vries <tom@codesourcery.com>
2553 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
2556 2016-04-17 Tom de Vries <tom@codesourcery.com>
2558 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
2559 '{}<> ' as escape-for-record.
2561 2016-04-17 Tom de Vries <tom@codesourcery.com>
2563 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
2566 2016-04-17 Tom de Vries <tom@codesourcery.com>
2569 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
2570 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
2571 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
2572 * passes.c (finish_optimization_passes): Only call
2573 finish_graph_dump_file if dfi->graph_dump_initialized.
2574 (execute_function_dump, pass_init_dump_file): Use
2575 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
2577 2016-04-17 Tom de Vries <tom@codesourcery.com>
2579 PR tree-optimization/70256
2580 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
2581 (debug_varmap): New function.
2583 2016-04-17 Tom de Vries <tom@codesourcery.com>
2586 * passes.c (pass_manager::register_pass): Propagate pflags.
2588 2016-04-17 Tom de Vries <tom@codesourcery.com>
2591 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2592 * passes.c (pass_manager::pass_manager): Declare and init p_start in
2593 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
2594 check if it's equal to p_start.
2595 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2597 2016-04-15 Jan Hubicka <jh@suse.cz>
2600 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2601 function does not bind to current def.
2602 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2603 handle conservatively calls to functions that does not need to bind
2605 (check_call): Update call of worse_state.
2606 (ignore_edge_for_nothrow): Update.
2607 (ignore_edge_for_pure_const): Likewise.
2608 (propagate_pure_const): Update calls to worse_state.
2609 (skip_function_for_local_pure_const): Reformat comments.
2611 2016-04-15 Jan Hubicka <jh@suse.cz>
2614 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2615 (cgraph_node::function_symbol): Likewise.
2616 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2617 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2618 (symtab_node::ultimate_alias_target): Add REF parameter.
2619 (symtab_node::binds_to_current_def_p): Declare.
2620 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2621 (cgraph_node::function_symbol): Likewise.
2622 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2623 (cgraph_node::get_availability): Likewise.
2624 (cgraph_edge::binds_to_current_def_p): New inline function.
2625 (varpool_node::get_availability): Add REF parameter.
2626 (varpool_node::ultimate_alias_target): Likewise.
2627 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2628 (symtab_node::binds_to_current_def_p): Likewise.
2629 * varpool.c (varpool_node::get_availability): Likewise.
2631 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2634 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2635 Fix mode size check.
2637 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2639 * BASE-VER: Set to 7.0.0.
2641 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
2643 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2645 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2647 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2648 architecture revisions.
2650 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
2652 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2653 * config/i386/i386.c (ix86_using_red_zone): No longer static.
2654 * config/i386/i386.md (stack decrement to push peepholes): Guard
2655 with !x86_using_red_zone ().
2657 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2660 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2661 to dump_generic_node.
2662 (NIY): Pass also flags to do_niy.
2664 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
2666 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2667 (simd_clone_vector_of_formal_parm_types)
2668 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2669 (simd_clone_mangle, simd_clone_create)
2670 (simd_clone_adjust_return_type, create_tmp_simd_array)
2671 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2672 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2673 (ipa_simd_modify_function_body, simd_clone_linear_addend)
2674 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2675 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2676 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2677 * omp-simd-clone.c: ... this new file.
2678 (simd_clone_vector_of_formal_parm_types): Make it static.
2679 * Makefile.in (OBJS): Add omp-simd-clone.o.
2681 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2684 * config/i386/sse.md: Use proper memory operand modifiers.
2687 2016-04-15 Richard Biener <rguenther@suse.de>
2688 Alan Modra <amodra@gmail.com>
2690 PR tree-optimization/70130
2691 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2692 when alignment stays not the same and no not use the realign
2695 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2698 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2699 direct move handlers for KFmode. Change TFmode handlers test from
2700 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2702 2016-04-14 Jakub Jelinek <jakub@redhat.com>
2705 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2706 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2707 (inlined_polymorphic_ctor_dtor_block_p): Use it.
2708 * tree-ssa-live.c (remove_unused_scope_block_p): When
2709 in_ctor_dtor_block, avoid discarding not just BLOCKs with
2710 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2711 block_ultimate_origin is FUNCTION_DECL.
2712 (remove_unused_locals): If current_function_decl is
2713 polymorphic_ctor_dtor_p, pass initial true to
2714 remove_unused_scope_block_p' is_ctor_dtor_block.
2716 2016-04-14 Martin Sebor <msebor@redhat.com>
2721 * doc/extend.texi (Variable Length): Revert.
2723 2016-04-14 Marek Polacek <polacek@redhat.com>
2724 Jan Hubicka <hubicka@ucw.cz>
2727 * tree.c (verify_type): Disable the canonical type of main variant
2730 2016-04-14 Jason Merrill <jason@redhat.com>
2732 * cfgexpand.c, expr.c: Revert previous change.
2734 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
2737 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2738 when building a mem ref for the incoming reduction variable.
2740 2016-04-14 Richard Biener <rguenther@suse.de>
2742 PR tree-optimization/70614
2743 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2744 loop if the evolution dropped to chrec_dont_know.
2745 (interpret_condition_phi): Likewise.
2747 2016-04-14 Richard Biener <rguenther@suse.de>
2749 PR tree-optimization/70623
2750 * tree-ssa-pre.c (changed_blocks): Make global ...
2751 (compute_antic): ... local here. Move and fix worklist
2752 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2753 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
2754 worklist handling, dump when ANTIC_IN changed.
2755 (compute_partial_antic_aux): Remove worklist handling.
2756 (init_pre): Do not compute post dominators. Add a comment about
2757 the CFG order chosen.
2758 (fini_pre): Do not free post dominators.
2760 2016-04-13 Martin Sebor <msebor@redhat.com>
2765 * doc/extend.texi (Variable Length): Document C++ specifics.
2767 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2770 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2771 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
2772 eh edges have been purged.
2775 * tree-sra.c (create_access_replacement,
2776 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2778 * tree-pretty-print.c (dump_fancy_name): New function.
2779 (dump_decl_name, dump_generic_node): Use it.
2781 2016-04-13 Jason Merrill <jason@redhat.com>
2783 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2784 * expr.c (expand_expr_real_1): Likewise.
2786 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
2788 * config/i386/i386.md (kunpckhi): Swap operands.
2789 (kunpcksi): Likewise.
2790 (kunpckdi): Likewise.
2791 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2792 (vec_pack_trunc_<mode>): Likewise.
2794 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2797 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2800 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2801 gimplification turns some element into non-constant.
2804 * rtl.h (convert_memory_address_addr_space_1): New prototype.
2805 * explow.c (convert_memory_address_addr_space_1): No longer static,
2806 add NO_EMIT argument and don't call convert_modes if true, pass
2807 it down recursively, remove break after return.
2808 (convert_memory_address_addr_space): Adjust caller.
2809 * simplify-rtx.c (simplify_unary_operation_1): Call
2810 convert_memory_address_addr_space_1 instead of convert_memory_address,
2811 if it returns NULL, don't simplify.
2813 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
2816 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2818 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2820 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2821 Bump the upper SIMDLEN limits, so that if the return type or
2822 characteristic type if the return type is void can be passed in
2823 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2826 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2829 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2830 Do not use "=" constraint on an input constraint.
2831 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2832 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2833 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2834 generates (neg (abs ...)) instead of (abs ...).
2836 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2838 PR rtl-optimization/70596
2839 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2840 just invalidate LRA data and reset them. Adjust dump wording.
2842 2016-04-12 Martin Liska <mliska@suse.cz>
2845 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2847 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2849 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2850 max_loop_iterations_int.
2851 (tree_unswitch_outer_loop): Likewise.
2852 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2853 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2855 2016-04-12 Tom de Vries <tom@codesourcery.com>
2857 PR tree-optimization/68756
2858 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2859 instead of new_name.
2861 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2863 PR tree-optimization/70602
2864 * tree-sra.c (generate_subtree_copies): Don't write anything into
2865 constant pool decls.
2867 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2868 regardless whether there are depend clauses or not.
2870 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
2873 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2874 target attribute and pragma from changing the -mfloat128
2875 and -mfloat128-hardware options.
2877 * doc/extend.texi (Additional Floating Types): Document PowerPC
2878 __float128 restrictions.
2880 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2883 * config/aarch64/driver-aarch64.c
2884 (aarch64_get_extension_string_for_isa_flags): New.
2885 (arch_extension): Rename to...
2886 (aarch64_arch_extension): ...This.
2887 (ext_to_feat_string): Rename to...
2888 (aarch64_extensions): ...This.
2889 (aarch64_core_data): Keep track of architecture extension flags.
2890 (cpu_data): Rename to...
2891 (aarch64_cpu_data): ...This.
2892 (aarch64_arch_driver_info): Keep track of architecture extension
2894 (get_arch_name_from_id): Rename to...
2895 (get_arch_from_id): ...This, change return type.
2896 (host_detect_local_cpu): Update and reformat for renames, handle
2897 extensions through common infrastructure.
2899 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2902 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2903 track of a canonical flag name.
2904 (all_extensions): Likewise.
2905 (arch_to_arch_name): Also track extension flags enabled by the arch.
2906 (all_architectures): Likewise.
2907 (aarch64_parse_extension): Move to here.
2908 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2910 (aarch64_rewrite_selected_cpu): Update for above change.
2911 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2912 are handled, such that the single explicit value enabled by an
2913 extension is kept seperate from the implicit values it also enables.
2914 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2916 (aarch64_parse_extension): New.
2917 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2918 here to config/aarch64/aarch64-protos.h.
2919 (aarch64_parse_extension): Move from here to
2920 common/config/aarch64/aarch64-common.c.
2921 (aarch64_option_print): Update.
2922 (aarch64_declare_function_name): Likewise.
2923 (aarch64_start_file): Likewise.
2924 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2925 the canonical flag for extensions.
2926 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2929 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2931 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2934 2016-04-09 Tom de Vries <tom@codesourcery.com>
2936 PR tree-optimization/68953
2937 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2938 first to last subscript.
2940 2016-04-09 Jakub Jelinek <jakub@redhat.com>
2942 PR tree-optimization/70586
2943 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2946 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
2950 PR tree-optimization/70373
2954 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2955 clauses for acc parallel reductions as necessary. Error on those
2957 * omp-low.c (scan_sharing_clauses): Don't install variables which
2958 are used in acc parallel reductions.
2959 (lower_rec_input_clauses): Remove dead code.
2960 (lower_oacc_reductions): Add support for reference reductions.
2961 (lower_reduction_clauses): Remove dead code.
2962 (lower_omp_target): Don't remap variables appearing in acc parallel
2964 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2966 2016-04-08 Jakub Jelinek <jakub@redhat.com>
2969 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2970 with multiple SSA_NAME defs, force the outputs other than first
2971 to be live before calling live_track_process_def on each output.
2973 PR rtl-optimization/70574
2974 * fwprop.c (forward_propagate_and_simplify): Don't add
2975 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2976 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2977 paradoxical subregs within *loc.
2979 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
2981 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2982 -ftree-parallelize-loops={0,1}.
2983 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2984 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2985 * config/ia64/hpux.h (LIB_SPEC): Likewise.
2986 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2987 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2989 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
2992 * asan.c (instrument_derefs): If we get unknown location, extract it
2994 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2996 2016-04-08 Tom de Vries <tom@codesourcery.com>
2998 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2999 implicit firstprivate clause.
3001 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3004 * config/arm/thumb2.md (tst + branch-> lsls + branch
3005 peephole below *orsi_not_shiftsi_si): Require that condition
3006 register is dead after the peephole.
3007 (second peephole after the above): Likewise.
3009 2016-04-08 Alan Modra <amodra@gmail.com>
3012 * builtins.c (fold_builtin_classify): For IBM extended precision,
3013 look at just the high-order double to test for NaN.
3014 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
3015 test just the high double for Inf but both doubles for subnormal
3018 2016-04-07 Jakub Jelinek <jakub@redhat.com>
3020 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
3021 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
3022 node->simdclone->mask_mode != VOIDmode masks.
3023 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
3024 earlier, use it instead of node->simdclone.
3025 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3026 Set clonei->mask_mode.
3028 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
3031 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
3032 Pass it through to cp_parser_already_scoped_statement.
3033 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
3034 it through to cp_parser_statement.
3035 (cp_parser_statement): Pass IF_P through to
3036 cp_parser_iteration_statement.
3037 (cp_parser_pragma): Adjust call to
3038 cp_parser_iteration_statement.
3040 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
3043 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
3044 resolve a future -Wparentheses warning.
3045 * omp-low.c (scan_sharing_clauses): Likewise.
3046 * tree-parloops.c (eliminate_local_variables): Likewise.
3048 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
3050 PR rtl-optimization/70398
3051 * lra-constraints.c (process_address_1): Check zero scale and code
3052 for reloading with zero scale.
3054 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
3056 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
3057 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
3059 2016-04-06 Jakub Jelinek <jakub@redhat.com>
3061 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3062 Add support for AVX512F clones, include them by default for
3063 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
3064 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
3068 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
3069 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
3070 firstprivate clauses.
3071 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
3072 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
3073 (lower_omp_target): Set TREE_NO_WARNING for
3074 non-addressable possibly uninitialized vars which are copied into
3075 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
3077 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
3079 * config/pa/predicates.md (integer_store_memory_operand): Accept
3080 REG+D operands with a large offset when reload_in_progress is true.
3081 (floating_point_store_memory_operand): Likewise.
3083 2016-04-05 Jakub Jelinek <jakub@redhat.com>
3086 * match.pd (nested int casts): Limit to GIMPLE.
3088 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
3091 * ipa-devirt.c (maybe_record_node): Fix comment; use
3092 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
3094 2016-04-05 Jakub Jelinek <jakub@redhat.com>
3096 PR rtl-optimization/70542
3097 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
3098 if there are any uses other than insn or debug insns.
3100 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
3101 Jakub Jelinek <jakub@redhat.com>
3103 PR tree-optimization/70509
3104 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
3105 Shift HOST_WIDE_INT_1U instead of 1.
3107 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
3109 PR tree-optimization/70509
3110 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
3111 of the vector base type for index.
3113 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
3116 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
3118 2016-04-05 Richard Biener <rguenther@suse.de>
3120 PR tree-optimization/70526
3121 * tree-sra.c (build_ref_for_offset): Use prev_base to
3122 extract the alias pointer type.
3124 2016-04-05 Richard Biener <rguenther@suse.de>
3126 * dse.c (struct store_info): Remove alias_set member.
3127 (struct read_info_type): Likewise.
3128 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
3129 spill_deleted, clear_alias_set_lookup): Remove.
3130 (get_group_info): Remove dead base == NULL_RTX case.
3131 (dse_step0): Remove initialization of removed variables.
3132 (delete_dead_store_insn): Reomve alias set dumping.
3133 (free_read_records): Remove alias_set handling.
3134 (canon_address): Remove alias_set_out parameter.
3135 (record_store): Remove spill_alias_set, it's always zero.
3136 (check_mem_read_rtx): Likewise.
3137 (dse_step2): Rename from ...
3138 (dse_step2_nospill): ... this. Adjust.
3139 (scan_stores): Rename from ...
3140 (scan_stores_nospill): ... this.
3141 (scan_reads): Rename from ...
3142 (scan_reads_nospill): ... this.
3143 (scan_stores_spill, scan_reads_spill): Remove.
3144 (dse_step3_scan): Remove for_spills argument which is always false.
3145 (dse_step3): Likewise.
3146 (dse_step5): Rename from ...
3147 (dse_step5_nospill): ... this. Remove alias_set handling.
3148 (rest_of_handle_dse): Adjust.
3150 2016-04-05 Jakub Jelinek <jakub@redhat.com>
3153 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
3154 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
3155 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
3156 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
3158 2016-04-05 Richard Biener <rguenther@suse.de>
3161 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
3162 non-register type temporaries into SSA.
3164 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
3167 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
3168 calls when sanitizing.
3169 (possible_polymorphic_call_target_p): Fix formatting.
3171 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3172 Jakub Jelinek <jakub@redhat.com>
3175 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
3176 to ensure a call statement is compatible with a built-in's
3178 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
3181 2016-04-04 Richard Biener <rguenther@suse.de>
3183 PR rtl-optimization/70484
3184 * rtl.h (canon_output_dependence): Declare.
3185 * alias.c (canon_output_dependence): New function.
3186 * dse.c (record_store): Use canon_output_dependence rather
3187 than canon_true_dependence.
3189 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
3192 * cgraph.h (symtab_node::copy_visibility_from): New function.
3193 * symtab.c (symtab_node::copy_visibility_from): New function.
3194 * ipa-visibility.c (optimize_weakref): New function.
3195 (function_and_variable_visibility): Use it.
3197 2016-04-04 Martin Liska <mliska@suse.cz>
3200 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
3201 value that is really in range handled by SBR instruction.
3202 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
3203 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
3204 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
3206 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
3210 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
3211 set, but not for SP_REG operands.
3213 2016-04-02 Martin Sebor <msebor@redhat.com>
3216 * fold-const.c (maybe_nonzero_address): New function.
3217 (fold_comparison): Call it. Fold equality and relational
3218 expressions involving null pointers.
3219 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
3221 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
3223 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
3224 the "Y" constraint (scalar FP 0.0 immediate).
3226 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
3227 Add the "const_double" to the list of operand constraints.
3229 2016-04-01 Jakub Jelinek <jakub@redhat.com>
3231 PR rtl-optimization/70467
3232 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
3233 If low word of the last operand is 0, just emit addition/subtraction
3236 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3239 * config/s390/s390.c (s390_expand_insv): Check for everything
3240 constant instead of just VOIDmode stuff.
3242 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3245 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
3247 2016-04-01 Nathan Sidwell <nathan@acm.org>
3249 * tree.def (TRY_CATCH_EXPR): Correct documentation.
3251 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
3253 PR rtl-optimization/70461
3254 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
3257 2016-03-31 Martin Liska <mliska@suse.cz>
3260 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
3261 a tree value or an immediate integer value to a buffer
3262 that is eventually copied to a BRIG section.
3263 (emit_immediate_operand): Call the function here.
3264 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
3265 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
3266 of class' fields that are removed.
3267 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
3268 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
3269 m_brig_repr_size fields.
3271 2016-03-31 Martin Liska <mliska@suse.cz>
3274 * hsa-gen.c (hsa_function_representation::update_dominance): New
3276 (convert_addr_to_flat_segment): Likewise.
3277 (gen_hsa_memory_set): New alignment argument.
3278 (gen_hsa_ctor_assignment): Likewise.
3279 (gen_hsa_insns_for_single_assignment): Provide alignment
3280 to gen_hsa_ctor_assignment.
3281 (gen_hsa_insns_for_direct_call): Add new argument.
3282 (expand_lhs_of_string_op): New function.
3283 (expand_string_operation_builtin): Likewise.
3284 (expand_memory_copy): New function.
3285 (expand_memory_set): New function.
3286 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
3287 (convert_switch_statements): Change signature.
3288 (generate_hsa): Use a return value of the function.
3289 (pass_gen_hsail::execute): Do not call
3290 convert_switch_statements here.
3291 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
3292 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
3293 (hsa_function_representation::update_dominance): New function.
3295 2016-03-31 Martin Liska <mliska@suse.cz>
3298 * hsa-brig.c (emit_directive_variable): Emit alignment
3299 according to hsa_symbol::m_align.
3300 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
3301 (dump_hsa_symbol): Dump alignment of HSA symbols.
3302 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
3303 (gen_hsa_addr_with_align): New function.
3304 (hsa_bitmemref_alignment): Use newly added function.
3305 (gen_hsa_insns_for_load): Likewise.
3306 (gen_hsa_insns_for_store): Likewise.
3307 (gen_hsa_memory_copy): New argument added.
3308 (gen_hsa_insns_for_single_assignment): Respect
3309 alignment for assignments processed via gen_hsa_memory_copy.
3310 (gen_hsa_insns_for_direct_call): Likewise.
3311 (gen_hsa_insns_for_return): Likewise.
3312 (gen_function_def_parameters): Set default alignment.
3313 * hsa.c (hsa_object_alignment): New function.
3314 (hsa_byte_alignment): Pasted function.
3315 * hsa.h (hsa_symbol::m_align): New field.
3317 2016-03-31 Bin Cheng <bin.cheng@arm.com>
3319 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
3320 scratch field for goto case.
3322 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
3324 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
3326 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
3329 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
3330 (scalar_chain::convert_insn): Call convert_op for reg
3331 moves to handle undefined registers.
3333 2016-03-31 Nathan Sidwell <nathan@acm.org>
3336 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
3337 Assert we don't want to move backwards.
3339 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
3342 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
3344 2016-03-31 Jakub Jelinek <jakub@redhat.com>
3346 PR rtl-optimization/70460
3347 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
3348 with operand from REG_LABEL_OPERAND, instead substitute
3349 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
3350 Don't do anything for REG_NON_LOCAL_GOTO jumps.
3352 2016-03-31 Martin Liska <mliska@suse.cz>
3354 * passes.c (execute_one_pass): Do not call
3355 todo_after for a discarded function.
3357 2016-03-31 Bin Cheng <bin.cheng@arm.com>
3359 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
3360 (no_cost, infinite_cost): Initialize the new field.
3361 (get_computation_cost_at): Record setup cost.
3362 (determine_use_iv_cost_address): Skip cost computation for sub
3363 uses if we can estimate it without losing accuracy.
3365 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
3367 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
3369 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
3370 max_loop_iterations_int.
3371 (tree_unswitch_outer_loop): Likewise.
3372 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
3373 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
3375 2016-03-30 Richard Biener <rguenther@suse.de>
3378 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
3380 2016-03-30 Jakub Jelinek <jakub@redhat.com>
3383 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
3384 in gen_blendm expander.
3386 2016-03-30 Nick Clifton <nickc@redhat.com>
3389 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
3390 case where we are already provided with an SImode SUBREG.
3392 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
3395 * config/i386/i386.c (ix86_expand_epilogue): Properly check
3396 conflict between DRAP register and __builtin_eh_return.
3398 2016-03-30 Michael Matz <matz@suse.de>
3399 Richard Biener <rguenther@suse.de>
3402 * ipa-polymorphic-call.c (struct type_change_info): Change
3403 speculative to an unsigned allowing to limit the work we do.
3404 (csftc_abort_walking_p): New inline function..
3405 (check_stmt_for_type_change): Limit the number of may-defs
3406 skipped for speculative devirtualization to
3407 max-speculative-devirt-maydefs.
3408 * params.def (max-speculative-devirt-maydefs): New param.
3409 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
3411 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
3414 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
3417 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
3419 PR tree-optimization/59124
3420 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
3421 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
3423 2016-03-29 Jeff Law <law@redhat.com>
3425 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
3427 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3429 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
3432 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
3434 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
3435 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
3436 gcrt0.o if linking dynamically.
3438 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3441 * ipa-devirt.c (methods_equal_p): New function.
3442 (compare_virtual_tables): Use it.
3443 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
3444 * cgraphclones.c (clone_function_name_1): Use
3445 symbol_table::symbol_suffix_separator.
3446 * coverage.c (build_var): Likewise.
3447 * symtab.c (symbol_table::symbol_suffix_separator): New.
3449 2016-03-29 Jakub Jelinek <jakub@redhat.com>
3451 PR rtl-optimization/70429
3452 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
3453 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
3454 mode != result_mode.
3457 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
3459 PR tree-optimization/70405
3460 * ssa-iterators.h (num_imm_uses): Add missing braces.
3462 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
3464 PR rtl-optimization/68695
3465 * ira-color.c (allocno_copy_cost_saving): New.
3466 (improve_allocation): Use it.
3468 2016-03-29 Richard Henderson <rth@redhat.com>
3471 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
3473 2016-03-29 Richard Biener <rguenther@suse.de>
3476 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
3477 use alignment returned by get_pointer_alignment_1 if it is
3478 bigger than BITS_PER_UNIT.
3479 * builtins.c (get_pointer_alignment_1): Do not return true
3480 for alignment extracted from SSA info.
3482 2016-03-28 James Bowman <james.bowman@ftdichip.com>
3484 * config/ft32/ft32.opt (mnodiv): New.
3485 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
3486 * doc/invoke.texi (FT32 Options -mnodiv): New.
3488 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
3491 * config/i386/i386.md (define_split, andn): Fix modes.
3493 2016-03-26 Richard Biener <rguenther@suse.de>
3494 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
3497 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
3499 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
3500 as 2nd argument to cl_optimization_restore().
3502 2016-03-25 Richard Henderson <rth@redhat.com>
3505 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
3506 * config/aarch64/aarch64-protos.h: Declare it.
3507 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
3509 2016-03-25 Alan Modra <amodra@gmail.com>
3512 * config/rs6000/constraints.md (j): Simplify.
3513 * config/rs6000/predicates.md (easy_fp_constant): Exclude
3515 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
3516 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
3517 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
3518 in all constraint alternatives.
3519 (movtd_64bit_nodm): Delete "j" constraint alternative.
3521 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
3523 * tree-ssa-propagate.c: Enhance docs for
3524 SSA_PROP_NOT_INTERESTING.
3526 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
3528 * doc/extend.texi: Fix typo in documentation to pure attribute.
3530 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
3533 * config/pa/pa.md (bswapdi2): Use a scratch register.
3535 2016-03-24 Richard Henderson <rth@redhat.com>
3538 * fold-const.c (extract_muldiv_1): Correct test for multiplication
3541 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
3543 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
3544 using ix86_expand_binary_operator instead of gen_andsi3.
3546 2016-03-24 Richard Biener <rguenther@suse.de>
3548 PR tree-optimization/70396
3549 * tree-vect-stmts.c (vectorizable_comparison): Use
3550 get_vectype_for_scalar_type.
3552 2016-03-24 Richard Biener <rguenther@suse.de>
3555 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
3556 with register bases.
3558 2016-03-24 Richard Biener <rguenther@suse.de>
3560 PR tree-optimization/70372
3561 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
3562 build_all_ones_cst to also handle vector types correctly.
3564 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3567 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
3570 2016-03-23 Marek Polacek <polacek@redhat.com>
3573 * doc/invoke.texi: Document -Wignored-attributes.
3575 2016-03-23 Bin Cheng <bin.cheng@arm.com>
3577 PR tree-optimization/69042
3578 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3579 parameter from 30 to 40.
3581 2016-03-23 Bin Cheng <bin.cheng@arm.com>
3583 PR tree-optimization/69042
3584 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3585 for use with constant offset stripped in base.
3587 2016-03-23 Richard Biener <rguenther@suse.de>
3590 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3591 mode compatibility check.
3592 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3594 2016-03-23 Jeff Law <law@redhat.com>
3596 PR tree-optimization/64058
3597 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3599 (struct ssa_conflicts): Move up earlier in the file.
3600 (conflicts_, var_map_): New static variables.
3601 (initialize_conflict_count): New function to initialize the
3602 CONFLICT_COUNT field for each conflict pair.
3603 (compare_pairs): Lazily initialize the conflict count and use it
3604 as the first tie-breaker.
3605 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
3606 and wipe conflicts_ and map_ around the call to qsort. Remove
3607 special case for 2 coalesce pairs.
3608 * bitmap.c (bitmap_count_unique_bits): New function.
3609 (bitmap_count_bits_in_word): New function, extracted from
3611 (bitmap_count_bits): Use bitmap_count_bits_in_word.
3612 * bitmap.h (bitmap_count_unique_bits): Declare it.
3614 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
3617 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3618 transparent alias chain for decl assembler name.
3619 * config/sol2.c (solaris_assemble_visibility): Likewise.
3621 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3623 * config/arm/arm1020e.md (1020call_op): Reduce reservation
3625 (v10_fdivs): Likewise.
3626 (v10_fdivd): Likewise.
3628 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3631 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3632 to not call fclose twice on file.
3634 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3636 PR tree-optimization/70354
3637 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3638 oprnd0 is wider than oprnd1 and there is a cast from the wider
3639 type to oprnd1, mask it with the mask of the narrower type.
3642 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3643 Optimize TARGET_STV splitters, if high or low word of last argument
3646 2016-03-22 Jeff Law <law@redhat.com>
3649 tree-ssa-threadbackward.c
3650 (fsm_find_control_statement_thread_paths): Correctly distinguish
3651 between old style jump threads vs FSM jump threads.
3653 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3656 * config/i386/i386.c (scalar_chain::convert_op): Support
3657 uninitialized register usage case.
3659 2016-03-22 Richard Biener <rguenther@suse.de>
3662 * genmatch.c (gen_transform): Adjust last parameter to a three-state
3664 (capture::gen_transform): ... to change behavior when substituting
3665 a condition into cond or not-cond expr context.
3666 (dt_simplify::gen_1): Adjust.
3667 * gimple-match-head.c: Include gimplify.h for unshare_expr.
3668 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3669 last change and instead change to
3670 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3671 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3673 2016-03-22 Anthony Green <green@moxielogic.com>
3675 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
3676 issue for moxiebox targets.
3677 (CC1PLUS_SPEC): Ditto.
3679 2016-03-22 Richard Biener <rguenther@suse.de>
3682 * fold-const.c (extract_muldiv_1): Properly perform multiplication
3685 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3687 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3689 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3692 * config/i386/i386.c (def_builtin): Handle
3693 OPTION_MASK_ISA_AVX512VL to be and-ed with other
3695 (const struct builtin_description bdesc_special_args[]):
3696 Remove duplicate ISA bits.
3698 2016-03-22 Jakub Jelinek <jakub@redhat.com>
3701 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3702 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
3703 in a way that works also for AVX512BW.
3706 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3707 instead of source if operands[1] is xmm16 and above and
3708 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
3709 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3712 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3713 on assign if (*from_p) is a comparison, set it to
3714 TREE_NO_WARNING (*from_p).
3716 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3719 * lra.c (restore_scratches): Ignore deleted insns.
3721 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
3722 Jakub Jelinek <jakub@redhat.com>
3724 PR tree-optimization/70317
3725 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3728 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
3731 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3732 of ix86_expand_move.
3734 (movti): Use general_operand for operand 1 predicate.
3736 2016-03-21 Martin Liska <mliska@suse.cz>
3738 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3740 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3742 2016-03-21 Martin Liska <mliska@suse.cz>
3745 * ipa-icf.c (sem_function::parse): Skip static
3746 constructors and destructors.
3748 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3751 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3752 function-like macro, peek following token(s) if it is followed
3753 by CPP_OPEN_PAREN token with optional padding in between, and
3754 if not, don't treat it like a macro.
3756 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
3757 Alexander Monakov <amonakov@ispras.ru>
3759 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3760 for the stabs debug format.
3762 2016-03-21 Richard Biener <rguenther@suse.de>
3764 PR tree-optimization/70310
3765 * tree-vect-generic.c (expand_vector_condition): Fold the built
3768 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
3771 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3772 Block third alternative for AVX-512VL target,
3774 2016-03-21 Martin Liska <mliska@suse.cz>
3777 * hsa-brig.c (emit_function_directives): Mark unemitted
3778 global variables for emission.
3779 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3780 (get_symbol_for_decl): Likewise.
3781 * hsa.h (struct hsa_symbol): New flag.
3783 2016-03-21 Richard Biener <rguenther@suse.de>
3785 PR tree-optimization/70288
3786 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3787 we do not estimate unsimplified all-constant conditionals or
3788 switches as optimized away.
3790 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
3792 PR rtl-optimization/69102
3793 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3794 when we have a readonly dependency context.
3796 2016-03-18 Jeff Law <law@redhat.com>
3798 PR rtl-optimization/70263
3799 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3800 (update_equiv_regs): When trying to move a store to after the insn
3801 that sets the source of the store, make sure the store occurs after
3802 the insn that sets the source of the store. When successful note
3803 the REG_EQUIV note created in the dump file.
3805 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
3806 Bernd Schmidt <bschmidt@redhat.com>
3808 * doc/extend.texi: Document more potential problems with basic asms.
3810 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
3812 PR rtl-optimization/70278
3813 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3816 2016-03-18 Jason Merrill <jason@redhat.com>
3818 * calls.c (load_register_parameters): Fix zero size sibcall logic.
3820 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
3822 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3823 values to 128b regs.
3825 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3827 PR tree-optimization/70252
3828 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3829 boolean vector has a proper number of elements.
3830 (supportable_narrowing_operation): Likewise.
3832 2016-03-18 Tom de Vries <tom@codesourcery.com>
3835 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3837 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3839 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3840 instead of replace_rtx for DEBUG_INSNs.
3842 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3844 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3845 load type reservations.
3847 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
3850 * config/pa/constraints.md: Revert 2015-02-13 change. Use
3851 define_constraint for "Q" and "T" constraints.
3853 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
3855 Tweak the pipeline model for Exynos M1
3857 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
3860 2016-03-17 David Malcolm <dmalcolm@redhat.com>
3863 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3864 where one or both locations aren't within a line_map.
3866 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
3869 * opts.c (finish_options): Don't set flag_pie to the default if
3870 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
3873 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
3875 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3876 true as ALL_REGS argument to replace_rtx.
3878 2016-03-17 Richard Biener <rguenther@suse.de>
3881 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3884 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3887 * rtl.h (replace_rtx): Add ALL_REGS argument.
3888 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
3889 equality and assert mode is the same, instead of just rtx pointer
3891 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3892 true as ALL_REGS argument to replace_rtx.
3894 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
3896 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3897 for boolean vector with vector mode only.
3898 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3900 2016-03-17 Nick Clifton <nickc@redhat.com>
3903 * config/rx/rx.c (rx_print_integer): Print negative constants in
3906 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3909 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3911 2016-03-16 Richard Henderson <rth@redhat.com>
3912 Richard Biener <rguenth@suse.de>
3917 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3918 first operand as is_gimple_condexpr.
3923 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
3924 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3925 Do not gimplify the result.
3926 (do_unop): Adjust call to tree_vec_extract.
3927 (do_binop): Likewise.
3928 (do_compare): Likewise.
3929 (do_plus_minus): Likewise.
3930 (do_negate): Likewise.
3931 (expand_vector_condition): Likewise.
3932 (do_cond): Likewise.
3934 2016-03-16 Richard Henderson <rth@redhat.com>
3937 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3938 (aarch64_classify_address): Use it.
3939 (aarch64_legitimize_address): Force all subexpressions of PLUS
3940 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
3942 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3943 Richard Biener <rguenth@suse.de>
3946 * rtlanal.c (replace_rtx): For REG, if from is a REG,
3947 return to even if only REGNO is equal, and assert
3950 2016-03-11 Jeff Law <law@redhat.com>
3952 PR rtl-optimization/70224
3953 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3955 2016-03-16 Richard Henderson <rth@redhat.com>
3958 * function.h (struct function): Add has_forced_label_in_static.
3959 * gimplify.c (force_labels_r): Set it.
3960 * lto-streamer-in.c (input_struct_function_base): Read it.
3961 * lto-streamer-out.c (output_struct_function_base): Write it.
3962 * tree-inline.c (has_label_address_in_static_1): Remove.
3963 (copy_forbidden): Remove fndecl parameter; test
3964 has_forced_label_in_static.
3965 (inline_forbidden_p): Update call to copy_forbidden.
3966 (tree_versionable_function_p): Likewise.
3967 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3968 (chkp_versioning): Likewise.
3969 * tree-inline.h (copy_forbidden): Update decl.
3971 2016-03-16 Marek Polacek <polacek@redhat.com>
3974 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3975 function being thunked if the result type doesn't have fixed size.
3976 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3977 doesn't have fixed size.
3979 2016-03-16 Bin Cheng <bin.cheng@arm.com>
3981 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3982 reporting malformed loop nest.
3984 2016-03-16 Tom de Vries <tom@codesourcery.com>
3987 * ipa-devirt.c (possible_polymorphic_call_targets): Move
3988 nodes.length () == 1 test to before first nodes[0] access.
3990 2016-03-16 Tom de Vries <tom@codesourcery.com>
3992 PR tree-optimization/68715
3993 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3996 2016-03-16 Tom de Vries <tom@codesourcery.com>
3998 PR tree-optimization/68809
3999 * graphite-scop-detection.c (same_close_phi_node): Test if result types
4002 2016-03-16 Carlos O'Donell <carlos@redhat.com>
4003 Sandra Loosemore <sandra@codesourcery.com>
4005 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
4006 on leaf attribute. Mention ELF interposition problems.
4008 2016-03-16 Alan Modra <amodra@gmail.com>
4010 PR rtl-optimization/69195
4011 PR rtl-optimization/47992
4012 * ira.c (indirect_jump_optimize): Ignore artificial defs.
4015 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
4018 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
4020 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
4022 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
4024 2016-03-15 Jakub Jelinek <jakub@redhat.com>
4026 PR rtl-optimization/70222
4027 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
4028 optimization if mode is different from result_mode, queue up masking
4029 of the result in outer_op. Formatting fix.
4032 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
4035 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4037 PR rtl-optimization/69032
4038 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
4039 looping backwards over basic block insns.
4041 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4044 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
4045 to non-speculative when propagating trap bits.
4047 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4049 PR rtl-optimization/63384
4050 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
4053 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
4056 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
4057 factored out from ...
4058 (sched_analyze_insn): ... here.
4059 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
4060 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
4061 get_implicit_reg_pending_clobbers in it.
4062 (setup_id_reg_sets): Use setup_id_implicit_regs.
4063 (deps_init_id): Ditto.
4065 2016-03-15 Tom de Vries <tom@codesourcery.com>
4068 * cgraph.c (cgraph_node::get_body): Save, reset and restore
4070 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
4071 execute_function_dump.
4072 (execute_one_pass): Don't dump function if it will be dumped after ipa
4075 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
4077 * genrecog.c (match_pattern_2): If pred is NULL don't call
4078 safe_predicate_mode on it.
4080 2016-03-14 Jakub Jelinek <jakub@redhat.com>
4083 * lra-constraints.c (delete_move_and_clobber): Change assertion
4084 to also allow dregno == 0.
4086 2016-03-14 Richard Henderson <rth@redhat.com>
4089 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
4090 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
4091 (reassociate_bb): Use optimize_vec_cond_expr; avoid
4092 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
4095 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
4098 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
4100 (lra_create_live_ranges_1): initialize hard register biggest_mode to
4102 * lra-constraints.c (split_reg): For hard regs, try to find the
4103 biggest single-register mode used in the function.
4105 2016-03-14 Richard Biener <rguenther@suse.de>
4107 PR tree-optimization/56365
4108 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
4109 constants to compare against.
4111 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
4114 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
4115 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
4116 (define_split for the GPR case): Use int_reg_operand instead of
4117 gpc_reg_operand for the output.
4119 2016-03-14 Tom de Vries <tom@codesourcery.com>
4121 PR tree-optimization/70045
4122 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
4123 create_empty_if_region_on_edge argument.
4125 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
4127 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
4128 (STACK_CHECK_PROTECT): Likewise.
4129 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4130 (STACK_CHECK_PROTECT): Likewise.
4131 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4132 (STACK_CHECK_PROTECT): Likewise.
4133 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
4134 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
4135 (STACK_CHECK_PROTECT): Likewise.
4137 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
4139 PR rtl-optimization/69307
4140 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
4141 registers in modes that span more than one register.
4143 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
4146 * lra-constraints.c (delete_move_and_clobber): New.
4147 (remove_inheritance_pseudos): Use it.
4149 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
4152 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
4153 the libcall is LCT_THROW.
4154 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
4155 for the checking routine.
4157 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
4160 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
4161 optimization if we have direct move.
4162 (roundu32<mode>2_fprs): Likewise.
4164 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
4167 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
4169 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
4170 Arguments swapped. All callers changed. Take reg_renumber into
4171 account, and Calculate and compare register ranges for hard regs.
4173 2016-03-11 Jeff Law <law@redhat.com>
4175 PR tree-optimization/70190
4176 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4177 Handle cases where we can not extract the taken edge, even though we
4178 found a constant value.
4180 PR tree-optimization/64058
4181 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
4182 (num_coalesce_pairs): Move up earlier in file.
4183 (find_coalesce_pair): Initialize the INDEX field for each pair
4185 (compare_pairs): No longer sort on the elements in each pair.
4186 Instead break ties with the index of the coalesce pair.
4188 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4191 * config/aarch64/aarch64-protos.h
4192 (aarch64_save_restore_target_globals): New prototype.
4193 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
4194 Call the above when popping pragma.
4195 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
4197 (aarch64_set_current_function): Rewrite using the above.
4199 2016-03-11 Jakub Jelinek <jakub@redhat.com>
4201 PR tree-optimization/70177
4202 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
4203 (extract_ops_from_tree): ... this. In the 2 argument
4204 overload remove _1 suffix.
4205 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
4206 (extract_ops_from_tree): ... this.
4207 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
4209 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4210 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
4211 extract_ops_from_tree instead of 2 operand one.
4213 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
4215 PR tree-optimization/70013
4216 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
4217 for constant-pool entries.
4219 2016-03-11 Jakub Jelinek <jakub@redhat.com>
4221 PR rtl-optimization/70174
4222 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
4223 followed by gen_lowpart on force_reg instead of just gen_lowpart.
4225 PR tree-optimization/70169
4226 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
4227 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
4230 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
4231 Jakub Jelinek <jakub@redhat.com>
4234 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
4235 of uninitialized values.
4237 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4239 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
4241 ("*trunctddd2"): New pattern definition.
4242 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
4245 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4247 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
4248 definitions for BFP and DFP rounding modes.
4249 ("fixuns_truncdddi2", "fixuns_trunctddi2")
4250 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
4251 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
4252 ("fix_trunctf<mode>2"): Use the new constants instead of magic
4255 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4257 * config/s390/constraints.md: Adjust comment.
4258 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
4259 s390_decompose_addrstyle_without_index.
4260 * config/s390/predicates.md (shift_count_or_setmem_operand):
4261 Rename to setmem_operand.
4262 * config/s390/s390-protos.h
4263 (s390_decompose_shift_count): Rename to
4264 s390_decompose_addrstyle_without_index.
4265 * config/s390/s390.c (s390_decompose_shift_count)
4266 (s390_mem_constraint, print_shift_count_operand)
4267 (print_operand_address, print_operand): Rename
4268 s390_decompose_shift_count to
4269 s390_decompose_addrstyle_without_index and rename
4270 print_shift_count_operand to print_addrstyle_operand troughout the
4272 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
4273 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
4274 Rename shift_count_or_setmem_operand to setmem_operand.
4275 * config/s390/vx-builtins.md ("vec_insert<mode>")
4276 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
4279 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4282 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
4283 Handle overlapping retval and newval.
4285 2016-03-10 Nick Clifton <nickc@redhat.com>
4288 * config/aarch64/aarch64.c
4289 (aarch64_override_options_after_change_1): When forcing
4290 flag_omit_frame_pointer to be true, use a special value that can
4291 be detected if this function is called again, thus preventing
4292 flag_omit_leaf_frame_pointer from being forced to be false.
4294 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4296 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
4297 Set x_flag_omit_leaf_frame_pointer when handling
4298 -momit-leaf-frame-pointer.
4300 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4303 * cgraph.c (cgraph_node::dump): Dump split_part and
4304 indirect_call_target.
4305 * cgraph.h (cgraph_node): Add indirect_call_target flag.
4306 * ipa.c (has_addr_references_p): Cleanup.
4307 (is_indirect_call_target_p): New.
4308 (walk_polymorphic_call_targets): Do not mark virtuals that may be
4309 called indirectly as local.
4310 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
4312 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4315 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4316 on cxa_pure_virtual.
4318 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4321 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
4323 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
4326 * tree.c (need_assembler_name_p): Only record main variant type names.
4328 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
4331 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
4332 Always define to 0 or 1.
4333 (TARGET_FIX_ERR_A53_843419): New macro.
4334 * config/aarch64/aarch64-elf-raw.h
4335 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
4336 * config/aarch64/aarch64-linux.h: Likewise.
4337 * config/aarch64/aarch64.c
4338 (aarch64_override_options_after_change_1): Do not default
4339 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
4341 (aarch64_attributes): Handle fix-cortex-a53-843419.
4342 (aarch64_can_inline_p): Likewise.
4343 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
4345 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
4346 Jakub Jelinek <jakub@redhat.com>
4348 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
4349 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
4350 DECL_COMMONS if flag_unconstrained_commons is set.
4351 * tree-dfa.c (get_ref_base_and_extent): Likewise.
4352 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
4353 (funconstrained-commons): Document.
4355 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
4357 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
4358 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
4360 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
4362 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
4363 has a proper number of elements.
4365 2016-03-10 Alan Modra <amodra@gmail.com>
4367 PR rtl-optimization/69195
4368 PR rtl-optimization/47992
4369 * ira.c (recorded_label_ref): Delete.
4370 (update_equiv_regs): Return void.
4371 (indirect_jump_optimize): New function.
4372 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
4373 before regstat_compute_ri. Don't rebuild_jump_labels here.
4374 Delete update_regstat.
4376 2016-03-10 Richard Biener <rguenther@suse.de>
4378 PR tree-optimization/70128
4379 * tree-ssa-structalias.c (set_uids_in_ptset): Set
4380 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
4382 2016-03-09 Jakub Jelinek <jakub@redhat.com>
4384 PR tree-optimization/70152
4385 * tree-sra.c (replace_removed_params_ssa_names): Copy over
4386 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
4389 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
4390 instead of gen_sse2_loadlpd.
4391 * config/i386/sse.md (*vec_concatv2df): Rename to...
4392 (vec_concatv2df): ... this.
4394 PR tree-optimization/70127
4395 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
4397 2016-03-09 David Malcolm <dmalcolm@redhat.com>
4401 * diagnostic-show-locus.c (compatible_locations_p): New function.
4402 (layout::layout): Sanitize ranges using compatible_locations_p.
4404 2016-03-09 David Malcolm <dmalcolm@redhat.com>
4408 * diagnostic-show-locus.c (layout_range::layout_range): Replace
4409 location_range param with three const expanded_locations * and a
4411 (layout::layout): Replace call to
4412 rich_location::lazily_expand_location with get_expanded_location.
4413 Extract the range and perform location expansion here, passing
4414 the results to the layout_range ctor.
4415 * diagnostic.c (source_range::debug): Delete.
4416 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
4417 of rich_location::get_expanded_location.
4418 * gcc-rich-location.c (get_range_for_expr): Delete.
4419 (gcc_rich_location::add_expr): Reimplement to avoid the
4420 rich_location::add_range overload that took a location_range,
4421 passing a location_t instead.
4423 2016-03-09 Richard Biener <rguenther@suse.de>
4424 Jakub Jelinek <jakub@redhat.com>
4426 PR tree-optimization/70138
4427 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4428 Also skip vect_double_reduction_def.
4430 2016-03-09 Jakub Jelinek <jakub@redhat.com>
4433 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
4434 if the operand is "m".
4436 2016-03-09 Nathan Sidwell <nathan@acm.org>
4438 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
4440 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4442 * config/i386/i386.c (processor_target_table): Fix cost table
4443 intialization order for znver1.
4445 2016-03-08 Jakub Jelinek <jakub@redhat.com>
4447 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
4448 - becuase -> because.
4449 * ipa-reference.c (ignore_module_statics): Likewise.
4450 * cgraph.c (cgraph_node::get_body): Likewise.
4451 * ipa-inline.c (early_inliner): Likewise.
4452 * ipa-devirt.c (types_same_for_odr): Likewise.
4453 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4454 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
4456 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4458 * tree-ssa-math-opts.c: Fix typo in comment.
4460 2016-03-08 Jakub Jelinek <jakub@redhat.com>
4463 * config/i386/i386.c (scalar_chain::make_vector_copies,
4464 scalar_chain::convert_reg): Call end_sequence in between
4465 get_insns and emit_conversion_insns rather than after both
4468 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
4471 * config/i386/i386.h (machine_function): Add
4472 pc_thunk_call_expanded flag.
4473 (ix86_pc_thunk_call_expanded): New define.
4474 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
4475 (*set_got): Rename insn pattern from set_got.
4476 (*set_got_labelled): Rename inst pattern from set_got_labelled.
4477 * config/i386/i386.c (ix86_compute_frame_layout): Use
4478 ix86_pc_thunk_call_expanded to prevent red-zone.
4480 2016-03-07 Martin Jambor <mjambor@suse.cz>
4482 * hsa.h (hsa_get_ctor_statements): Declare.
4483 (hsa_get_dtor_statements): Likewise.
4484 (hsa_get_kernel_dispatch_type): Likewise.
4485 * hsa.c (hsa_get_ctor_statements): New function.
4486 (hsa_get_dtor_statements): Likewise.
4487 (hsa_get_kernel_dispatch_type): Likewise.
4488 * hsa-brig.c (hsa_cdtor_statements): Removed.
4489 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
4490 hsa_get_dtor_statements.
4491 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
4492 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
4494 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
4496 * config/arm/arm-cores.def (cortex-r8): New.
4497 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
4498 * config/arm/arm-tune.md: Likewise.
4499 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
4501 2016-03-07 Martin Sebor <msebor@redhat.com>
4503 PR rtl-optimization/19705
4504 * doc/invoke.texi (Options That Control Optimization): Clarify
4505 -fno-branch-count-reg.
4507 2016-02-26 Richard Biener <rguenther@suse.de>
4508 Jeff Law <law@redhat.com>
4510 PR tree-optimization/69740
4511 * cfghooks.c (remove_edge): Request loop fixups if we delete
4512 an edge that might turn an irreducible loop into a natural
4514 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
4515 Move after definition of loops_state_clear.
4517 2016-03-07 Bin Cheng <bin.cheng@arm.com>
4519 PR rtl-optimization/69052
4520 * rtlanal.c (commutative_operand_precedence): Set higher precedence
4523 2016-03-07 Tom de Vries <tom@codesourcery.com>
4525 PR tree-optimization/70116
4526 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
4527 is_tm_ending stmts and ubsan/asan internal functions.
4528 (find_duplicate): Use it. Don't test is_tm_ending here.
4530 2016-03-07 Richard Biener <rguenther@suse.de>
4532 PR tree-optimization/70115
4533 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
4534 (propagate_constants_for_unrolling): Use replace_uses_by.
4536 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
4539 * omp-low.c (struct oacc_loop): Add ifns.
4540 (new_oacc_loop_raw): Initialize it.
4541 (finish_oacc_loop): Clear mask & flags if no ifns.
4542 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
4543 (oacc_loop_xform_loop): Add ifns arg & adjust.
4544 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
4546 2016-03-07 Richard Henderson <rth@redhat.com>
4549 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
4550 (insert_value_copy_on_edge): Likewise.
4552 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4554 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
4556 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4559 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
4561 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
4563 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
4565 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
4567 Fix sseimul type attribute.
4568 * config/i386/znver1.md
4569 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
4570 znver1_sseimul_avx256_load) : Fix the type attribute.
4571 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
4572 pipe usage and latency.
4574 2016-03-05 Jakub Jelinek <jakub@redhat.com>
4577 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4578 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4581 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4584 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4586 PR rtl-optimization/69941
4587 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4588 the reg share its mode.
4590 2016-03-04 Jeff Law <law@redhat.com>
4592 PR tree-optimization/69196
4593 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4594 If the both SSA_NAMEs are anonymous, then consider them unassociated
4595 and include the PHI in the statement count.
4597 2016-03-05 Tom de Vries <tom@codesourcery.com>
4599 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4600 construct in oacc routine. Check for oacc region in oacc routine.
4602 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4605 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
4606 2016-02-22 changes, instead don't recurse if RECUR is already true.
4607 Don't change *dynamic_check if RECUR. Adjust recursive caller
4608 to pass true to the new argument.
4609 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4612 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4613 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4615 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
4617 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4619 PR rtl-optimization/57676
4620 * lra-assigns.c (lra_assign): Guard test for maximum iterations
4623 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
4625 * tree-vect-patterns.c (search_type_for_mask): Handle
4626 comparison of booleans.
4628 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4630 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4634 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4635 all other ops that have dw_val_class_die_ref operands,
4636 and DW_OP_GNU_entry_value.
4638 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4640 PR rtl-optimization/69904
4641 * config/arm/arm.c (arm_cannot_copy_insn_p):
4642 Return true for load-exclusive instructions.
4644 2016-03-03 Jakub Jelinek <jakub@redhat.com>
4647 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4648 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4649 the pattern no matter if it is used just by non-pattern, pattern
4651 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4652 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4653 oprnd1 def_stmt is in pattern, don't look through it.
4655 2016-03-03 Marek Polacek <polacek@redhat.com>
4658 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4660 2016-03-03 Martin Liska <mliska@suse.cz>
4662 PR tree-optimization/70043
4663 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4664 previous statement if we see a debug statement.
4666 2016-03-03 Richard Biener <rguenther@suse.de>
4668 PR tree-optimization/55936
4669 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4670 parameter and guard unsafe equivalence use.
4671 (vrp_evaluate_conditional_warnv_with_ops): Always use
4672 safe equivalences but not via the quadratic compare_names
4675 2016-03-03 Michael Collison <michael.collison@linaro.org>
4678 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4679 for operand 1 to s_register_operand. Change predicate for operand
4680 2 to arm_not_immediate_operand.
4682 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
4684 * doc/tm.texi: Regenerated.
4686 2016-03-02 Richard Henderson <rth@redhat.com>
4689 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4690 simplification when all args are positive non-fixed registers.
4692 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4694 * target.def (lra_p): Specify that new ports should use LRA.
4696 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4699 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4700 gimplify_type_sizes the type they refer to.
4701 (omp_notice_variable): Handle reference vars to VLAs.
4702 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4703 reference to VLA decls in the second pass instead of first pass.
4705 2016-03-02 Tom de Vries <tom@codesourcery.com>
4707 PR tree-optimization/68659
4708 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4709 new_expr == NULL_TREE.
4710 (get_new_name): Handle ADDR_EXPR.
4712 2016-03-02 Bin Cheng <bin.cheng@arm.com>
4714 PR rtl-optimization/69052
4715 * loop-invariant.c (canonicalize_address): New function.
4716 (inv_can_prop_to_addr_use): Check validity of address expression
4717 which is canonicalized by above function.
4719 2016-03-02 Alan Modra <amodra@gmail.com>
4722 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4725 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4728 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4729 (*movhi_internal): Put mask moves from and to memory separately
4730 from moves from/to GPRs.
4732 2016-03-02 Richard Biener <rguenther@suse.de>
4734 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4735 GENERIC expressions in GIMPLE.
4737 2016-03-02 Richard Biener <rguenther@suse.de>
4739 * config/i386/i386.c (type_natural_mode): Fix typo.
4741 2016-03-02 Nick Clifton <nickc@redhat.com>
4743 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4745 2016-03-02 Richard Biener <rguenther@suse.de>
4746 Uros Bizjak <ubizjak@gmail.com>
4749 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4751 2016-03-02 Richard Biener <rguenther@suse.de>
4754 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4756 2016-03-02 Marek Polacek <polacek@redhat.com>
4759 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4760 "is promoted to" warning.
4762 2016-03-01 DJ Delorie <dj@redhat.com>
4764 * config.gcc: Deprecate mep-*.
4766 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
4769 * lra-constraints.c (regno_val_use_in): New.
4770 (match_reload): Use it instead of regno_use_in.
4772 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4774 PR rtl-optimization/70007
4775 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4776 references present in REG_EQUAL notes attached to non-SET patterns.
4778 2016-03-01 Jeff Law <law@redhat.com>
4780 PR tree-optimization/69196
4781 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4782 Appropriately clamp the number of statements to copy when the
4783 thread path does not traverse a loop backedge.
4785 PR tree-optimization/69196
4786 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4787 Do count some PHIs in the thread path against the insn count. Decrease
4788 final statement count by one as the control statement in the last
4789 block will get removed. Remove special cased code for handling PHIs
4792 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
4795 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4796 asm dialect alternatives to explicit GOTPCREL calls.
4798 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4801 * ira.c (do_reload): Issue warning for generic stack checking here...
4802 * reload1.c (reload): ...instead of here and streamline it.
4804 2016-03-01 Nick Clifton <nickc@redhat.com>
4806 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4808 2016-03-01 Richard Biener <rguenther@suse.de>
4810 PR tree-optimization/69983
4811 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4812 types and fall back to operand_equal_p.
4814 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4817 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4819 * config/s390/constraints.md ("jm8"): New constraint.
4820 * config/s390/predicates.md ("const_int_8bitset_operand"): New
4822 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4824 ("*setmem_long<setmem_and>"): New pattern.
4825 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4827 ("*setmem_long_31z<setmem_and>"): New pattern.
4828 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4829 New substitution rules with the required attributes.
4832 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4835 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4837 * gensupport.c (process_substs_on_one_elem): Split loop to
4838 complete mark_operands_used_in_match_dup on all expressions in the
4840 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4841 and remove function.
4843 2016-03-01 Richard Biener <rguenther@suse.de>
4846 * fold-const.c (fold_indirect_ref_1): Fix range checking for
4847 vector BIT_FIELD_REF extract.
4849 2016-03-01 Richard Biener <rguenther@suse.de>
4851 PR tree-optimization/69994
4852 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4854 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
4856 PR tree-optimization/69956
4857 * tree-vect-stmts.c (supportable_widening_operation): Support
4858 multi-step conversion of boolean vectors.
4859 (supportable_narrowing_operation): Likewise.
4861 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4863 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4866 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4868 * config/s390/subst.md (DSI_VI): New mode iterator.
4869 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4870 * config/s390/vector.md ("vec_set<mode>"): Move expander before
4871 the insn definition.
4872 ("*vec_set<mode>"): Change predicate and add alternative to
4873 support only either register or const_int operands as element
4875 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4877 ("vec_extract<mode>"): New expander.
4878 ("*vec_extract<mode>"): New insn definition supporting reg and
4879 const_int element selectors.
4880 ("*vec_extract<mode>_plus"): New insn definition supporting
4881 reg+const_int element selectors.
4882 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4883 following expander+insn definition.
4884 ("<vec_shifts_name><mode>3"): New expander.
4885 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4887 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4889 * config/s390/s390.md ("*tabort_1"): Change predicate to
4890 nonmemory_operand. Add a second alternative to cover
4891 register as well as const int operands.
4892 ("*tabort_1_plus"): New pattern definition.
4894 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4896 * config/s390/s390.md ("*ashrdi3_cc_31")
4897 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4898 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4899 Merge insn definitions into ...
4900 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4901 New pattern definition.
4902 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4903 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4904 ("*ashr<mode>3_and"): Merge insn definitions into ...
4905 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4906 New pattern definition.
4907 * config/s390/subst.md ("addr_style_op_cc_subst")
4908 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4909 substitutions patterns plus attributes.
4910 Add ashiftrt to SUBST iterator.
4912 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4914 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4915 op2 to nonmemory_operand.
4916 ("*<shift>di3_31", "*<shift>di3_31_and"):
4917 Merge into single pattern definition ...
4918 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4919 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4920 pattern definition ...
4921 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4922 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4925 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4927 * config/s390/predicates.md (const_int_6bitset_operand): New
4929 * config/s390/s390.md: Include subst.md.
4930 ("rotl<mode>3"): New expander.
4931 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4933 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4934 * config/s390/subst.md: New file.
4936 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4938 * config/s390/s390.md ("op_type", "atype", "length" attributes):
4939 Remove RRR type. It doesn't really exist.
4940 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4942 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4943 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4944 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4945 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4946 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4947 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4948 `enabled' attribute.
4950 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4952 * gensupport.c (process_substs_on_one_elem): Split loop to
4953 complete mark_operands_used_in_match_dup on all expressions in the
4955 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4956 and remove function.
4958 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4961 * config/sparc/sparc.c (NWORDS_UP): Rename to...
4962 (CEIL_NWORDS): ...this. Use CEIL macro.
4963 (compute_fp_layout): Adjust to above renaming.
4964 (function_arg_union_value): Likewise.
4965 (sparc_arg_partial_bytes): Likewise.
4966 (sparc_function_arg_advance): Likewise.
4968 2016-02-29 Jeff Law <law@redhat.com>
4970 PR tree-optimization/70005
4971 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4972 where an object with a boolean range is compared against a value
4975 PR tree-optimization/69999
4976 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4977 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4980 2016-02-29 Richard Biener <rguenther@suse.de>
4982 PR tree-optimization/69994
4983 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4984 (get_unary_op): Look through nop conversions.
4985 (ops_equal_values_p): New function, look for equality diregarding
4987 (eliminate_plus_minus_pair): Use ops_equal_values_p
4988 (repropagate_negates): Do not use get_unary_op here.
4990 2016-02-29 Martin Liska <mliska@suse.cz>
4992 * system.h: Poison ENABLE_CHECKING macro.
4994 2016-02-29 Martin Liska <mliska@suse.cz>
4996 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4997 is presented in dump flags.
4998 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4999 (hsa_regalloc): Likewise.
5001 2016-02-19 Richard Biener <rguenther@suse.de>
5003 PR tree-optimization/69980
5004 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
5005 permutation of those we need to keep.
5007 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
5010 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
5011 (NWORDS_UP): ...this
5012 (init_cumulative_args): Minor tweaks.
5013 (sparc_promote_function_mode): Likewise.
5014 (scan_record_type): Delete.
5015 (traverse_record_type): New function template.
5016 (classify_data_t): New structure type.
5017 (classify_registers): New inline function.
5018 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
5019 exhausted. Instantiate traverse_record_type on classify_registers and
5020 deal with the case of a structure passed in slot #15 with no FP field
5022 (assign_data_t): New structure type.
5023 (compute_int_layout): New static function.
5024 (compute_fp_layout): Likewise.
5025 (count_registers): New inline function.
5026 (assign_int_registers): New static function.
5027 (assign_fp_registers): Likewise.
5028 (assign_registers): New inline function.
5029 (function_arg_record_value_1): Delete.
5030 (function_arg_record_value_2): Likewise.
5031 (function_arg_record_value_3): Likewise.
5032 (function_arg_record_value): Adjust to above changes. Instantiate
5033 traverse_record_type on count_registers to first count the number of
5034 registers to be used and then on assign_registers to assign them.
5035 (function_arg_union_value): Adjust to above renaming.
5036 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
5037 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
5038 case of a structure passed in slot #15
5039 (sparc_function_arg_advance): Likewise.
5040 (function_arg_padding): Minor tweak.
5042 2016-02-29 Richard Biener <rguenther@suse.de>
5044 PR tree-optimization/69720
5045 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
5046 the adjustment_def path for possibly vectorized defs.
5047 (vect_create_epilog_for_reduction): Handle vectorized initial
5050 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
5052 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
5054 2016-02-27 Jeff Law <law@redhat.com>
5057 2016-02-26 Richard Biener <rguenther@suse.de>
5058 Jeff Law <law@redhat.com>
5060 PR tree-optimization/69740
5061 * cfghooks.c (remove_edge): Request loop fixups if we delete
5062 an edge that might turn an irreducible loop into a natural
5065 2016-02-27 Jakub Jelinek <jakub@redhat.com>
5067 PR rtl-optimization/69896
5068 * tree-vect-generic.c (get_compute_type): Avoid single element
5071 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
5073 Rename the AArch64 tuning option and related functions to enable the
5074 Newton series for the reciprocal square root to reflect its
5075 approximative characteristic.
5077 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
5078 function to "aarch64_emit_approx_rsqrt".
5079 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
5080 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
5081 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
5082 (xgene1_tunings): Likewise.
5083 (use_rsqrt_p): Likewise.
5084 (aarch64_emit_swrsqrt): Use new function name.
5085 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
5086 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
5087 text explaining this option.
5088 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
5090 2016-02-26 Jakub Jelinek <jakub@redhat.com>
5093 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
5094 complain about -mallow-movmisalign without -mvsx if
5095 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
5097 2016-02-26 Joel Sherrill <joel@rtems.org>
5099 * config.gcc: Add x86_64-*-rtems*.
5100 * gcc/config/i386/rtems-64.h: New file.
5102 2016-02-26 Joel Sherrill <joel@rtems.org>
5104 * config.gcc: Add aarch64-*-rtems*.
5105 * gcc/config/aarch64/rtems.h: New file.
5107 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
5110 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
5111 shift amount using %h. Add comment.
5113 2016-02-26 Richard Biener <rguenther@suse.de>
5114 Jeff Law <law@redhat.com>
5116 PR tree-optimization/69740
5117 * cfghooks.c (remove_edge): Request loop fixups if we delete
5118 an edge that might turn an irreducible loop into a natural
5121 2016-02-26 Martin Jambor <mjambor@suse.cz>
5124 * tree-sra.c (sra_modify_assign): Do not remove loads of
5125 uninitialized aggregates to SSA_NAMEs.
5127 2016-02-26 Richard Henderson <rth@redhat.com>
5130 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
5131 pseudo in case the target rtx matches the source of the left
5134 2016-02-26 Martin Jambor <mjambor@suse.cz>
5137 * hsa.h (hsa_type_packed_p): Declare.
5138 * hsa.c (hsa_type_packed_p): New function.
5139 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
5141 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
5142 * hsa-brig.c (emit_basic_insn): Likewise.
5144 2016-02-26 Martin Jambor <mjambor@suse.cz>
5147 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
5149 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
5151 2016-02-26 Martin Jambor <mjambor@suse.cz>
5153 * hsa.h (is_a_helper): New overload for hsa_op_immed for
5154 hsa_op_with_type operands.
5155 (hsa_unsigned_type_for_type): Declare.
5156 * hsa.c (hsa_unsigned_type_for_type): New function.
5157 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
5158 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
5159 the finalizer. Do not emit extra move.
5161 2016-02-26 Martin Jambor <mjambor@suse.cz>
5163 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
5164 atomic operations in private segment.
5166 2016-02-26 Martin Jambor <mjambor@suse.cz>
5168 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
5169 statements to wi->info. Also disallow omp simd constructs.
5170 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
5171 for not gridifying. Dump special string for omp_for.
5173 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5176 * config/aarch64/aarch64.c (aarch64_set_current_function):
5177 Save/restore target globals when switching to
5178 target_option_default_node.
5180 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5183 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
5184 Return 0 if !SHIFT_COUNT_TRUNCATED.
5186 2016-02-26 Jakub Jelinek <jakub@redhat.com>
5187 Eric Botcazou <ebotcazou@adacore.com>
5189 PR rtl-optimization/69891
5190 * dse.c (scan_insn): If we can't figure out memset arguments
5191 or they are non-constant, call clear_rhs_from_active_local_stores.
5193 2016-02-26 Martin Liska <mliska@suse.cz>
5195 * doc/extend.texi: Mention clog10, clog10f an clog10l
5196 in Builtins section.
5198 2016-02-26 Martin Liska <mliska@suse.cz>
5200 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
5202 (resolve_args_picking_1): Likewise.
5203 * dwarf2out.h (struct GTY): Likewise.
5205 2016-02-26 Martin Liska <mliska@suse.cz>
5207 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
5209 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
5211 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
5212 Martin Liska <mliska@suse.cz>
5214 * doc/install.texi: Mention --enable-valgrind-annotations.
5216 2016-02-26 Richard Biener <rguenther@suse.de>
5218 PR tree-optimization/69551
5219 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
5220 looking through aliases adjust DECL_PT_UID to refer to the
5221 ultimate alias target.
5223 2016-02-25 Martin Liska <mliska@suse.cz>
5226 * alloc-pool.c (after_memory_report): New variable.
5227 * alloc-pool.h (base_pool_allocator ::release): Do not use
5228 the infrastructure if after_memory_report.
5229 * toplev.c (toplev::main): Mark after memory report.
5231 2016-02-25 Richard Biener <rguenther@suse.de>
5233 PR tree-optimization/48795
5234 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
5236 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
5239 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
5240 offloading is enabled and -fopenacc or -fopenmp is specified.
5241 (CRTOFFLOADEND): Likewise.
5242 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
5243 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
5244 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
5245 (offload_objects_file_name): New static var.
5246 (tool_cleanup): Remove offload_objects_file_name file.
5247 (find_offloadbeginend): Replace with ...
5248 (find_crtoffloadtable): ... this.
5249 (run_gcc): Remove offload_argc and offload_argv.
5250 Get offload_objects_file_name from -foffload-objects=... option.
5251 Read names of object files with offload from this file, pass them to
5252 compile_images_for_offload_targets. Don't call find_offloadbeginend and
5253 don't pass offloadbegin and offloadend to the linker. Don't pass
5254 offload non-LTO files to the linker, because now they're not claimed.
5256 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
5259 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
5260 on builtin_unreachable.
5262 2016-02-25 Jakub Jelinek <jakub@redhat.com>
5264 PR rtl-optimization/69896
5265 * regcprop.c: Include cfgrtl.h.
5266 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
5267 than remembered mode, either delete it (if noop_move_p), or
5268 treat like copy_p but not noop_p instruction.
5270 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5273 * dwarf2out.c (gen_variable_die): Work around buggy LTO
5274 - allow NULL decl for Fortran DW_TAG_common_block variables.
5276 2016-02-24 Jason Merrill <jason@redhat.com>
5278 * common.opt (flifetime-dse): Add -flifetime-dse=1.
5280 2016-02-24 Richard Biener <rguenther@suse.de>
5281 Jakub Jelinek <jakub@redhat.com>
5284 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
5285 conditionally executed ops to well-defined overflow behavior.
5287 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5290 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
5293 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5295 PR rtl-optimization/69886
5296 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
5297 argument. Use it when checking validity of set instructions.
5298 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
5299 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
5301 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
5302 * store-motion.c (find_moveable_store): Update
5303 can_assign_to_reg_without_clobbers_p callsite.
5305 2016-02-24 Richard Biener <rguenther@suse.de>
5308 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
5310 (record_nonwrapping_iv): Do not fall back to the low/high bound
5311 for non-constant IV bases if the stmt is not always executed.
5313 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5315 * config/arm/arm-cores.def (cortex-a32): New entry.
5316 * config/arm/arm-tables.opt: Regenerate.
5317 * config/arm/arm-tune.md: Regenerate.
5318 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
5319 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
5320 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
5321 for -mcpu and -mtune.
5323 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5326 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
5327 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
5328 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
5329 (atomic_loaddi_1): Delete.
5330 (atomic_loaddi): Rewrite expander using the above changes.
5332 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5335 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
5338 2016-02-24 Jakub Jelinek <jakub@redhat.com>
5339 Richard Biener <rguenth@suse.de>
5342 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
5343 set_mem_attributes if tem is SSA_NAME which got expanded
5346 2016-02-24 Richard Biener <rguenther@suse.de>
5348 PR tree-optimization/69907
5349 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
5350 end of permutations for BB vectorization.
5352 2016-02-24 Christian Bruel <christian.bruel@st.com>
5354 * config/arm/arm-c.c (arm_option_override): Initialize
5355 target_option_current_node.
5356 * config/arm/arm.c (arm_pragma_target_parse): Replace
5357 build_target_option_node call by target_option_current_node.
5358 Set target_option_current_node.
5361 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
5364 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
5365 define_insn_and_split to define_insn.
5366 (zero_extendqi<mode>2_dot2): Same.
5367 (extendqi<mode>2_dot): Same.
5368 (extendqi<mode>2_dot2): Same.
5370 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
5372 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
5373 and add bypass for AES{D,E} and AESMC pairs.
5374 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
5377 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
5379 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
5380 series for reciprocal square root in Exynos M1.
5382 2016-02-23 Martin Sebor <msebor@redhat.com>
5385 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
5386 __builtin_alloca_with_align.
5388 2016-02-23 Richard Henderson <rth@redhat.com>
5390 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
5391 (ix86_register_pragmas): Remove __seg_tls.
5392 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
5393 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
5394 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
5395 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
5396 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
5397 * doc/extend.texi (__seg_tls): Remove item.
5399 2016-02-23 Richard Biener <rguenther@suse.de>
5401 * alloc-pool.h (struct allocation_object): Make id member
5402 conditional on CHECKING_P again.
5403 (get_instance): Adjust.
5404 (base_pool_allocator): Likewise.
5406 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
5408 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
5409 (parallelize_loops): In OpenACC kernels mode, set n_threads to
5411 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
5413 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
5415 2016-02-23 Richard Biener <rguenther@suse.de>
5417 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
5418 * bitmap.h (struct bitmap_usage): Likewise.
5419 (bitmap_move): Declare.
5420 * bitmap.c (register_overhead): Take size_t argument.
5421 (bitmap_move): New function.
5422 * df-problems.c (df_rd_transfer_function): Use bitmap_move
5423 to properly account overhead.
5424 * tree.c (free_node): Use tree_size.
5426 2016-02-23 Jakub Jelinek <jakub@redhat.com>
5429 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
5430 when inverting comparison.
5433 * common.opt (Wunreachable-code): Add Warning flag.
5435 2016-02-23 Mark Wielaard <mjw@redhat.com>
5436 Jakub Jelinek <jakub@redhat.com>
5439 * cgraphunit.c (check_global_declaration): Check main_input_filename
5440 and DECL_SOURCE_FILE are not NULL.
5442 2016-02-23 Martin Jambor <mjambor@suse.cz>
5444 PR tree-optimization/69666
5445 * tree-sra.c (sra_modify_assign): Do not attempt to create
5446 default_def replacements for unscalarizable regions.
5448 2016-02-20 Mark Wielaard <mjw@redhat.com>
5451 * cgraphunit.c (check_global_declaration): Check level of
5452 warn_unused_const_variable and main_input_filename.
5453 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
5454 (-Wunused-variable): For C implies -Wunused-const-variable=1.
5455 (-Wunused-const-variable): Explain levels 1 and 2.
5457 2016-02-22 Jakub Jelinek <jakub@redhat.com>
5460 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
5461 identical arguments. Formatting and spelling fixes.
5464 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
5469 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
5470 and m68k-devices.def.
5471 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
5472 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
5474 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
5476 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
5477 and HImode registers.
5479 2016-02-22 Richard Biener <rguenther@suse.de>
5481 PR tree-optimization/69882
5482 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5483 preserve permutations present because of gaps.
5484 (vect_supported_load_permutation_p): Always continue checking
5485 permutations after vect_attempt_slp_rearrange_stmts.
5487 2016-02-22 Bin Cheng <bin.cheng@arm.com>
5489 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
5490 min_profitable_estimate, rather than min_profitable_iters.
5492 2016-02-22 Jakub Jelinek <jakub@redhat.com>
5495 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
5496 SImode for last match_operand.
5498 2016-02-22 Martin Liska <mliska@suse.cz>
5500 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
5501 return bitsize - 1 as the return value.
5503 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
5507 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
5508 Handle negative shift counts.
5509 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
5510 force_reg on the shift constant.
5511 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
5512 (lshrsi3_d): Handle negative shift counts.
5514 2016-02-22 Richard Biener <rguenther@suse.de>
5515 Tom de Vries <tom@codesourcery.com>
5517 * graph.c: Include dumpfile.h.
5518 (print_graph_cfg): Split into three overloads.
5519 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
5521 2016-02-22 Tom de Vries <tom@codesourcery.com>
5523 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
5526 2016-02-22 Richard Biener <rguenther@suse.de>
5529 * ipa-inline-transform.c (inline_call): When not updating
5530 overall summaries adjust self size by the growth estimate.
5531 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
5532 hash-set, do not update overall summaries here. Renamed from ...
5533 (inline_to_all_callers): ... this which is now wrapping the
5534 above and performing delayed overall summary update.
5535 (early_inline_small_functions): Delay updating of the overall
5538 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
5540 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
5543 2016-02-19 Jakub Jelinek <jakub@redhat.com>
5546 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
5547 :%* in %:gt() argument.
5548 (greater_than_spec_func): Adjust for expecting only numbers,
5549 if there are more than two numbers, compare the last two.
5551 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
5553 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
5554 -Wnarrowing with -std.
5556 2016-02-19 Jakub Jelinek <jakub@redhat.com>
5559 * expr.c (store_field): Don't use bit-field path if exp is
5560 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
5561 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
5562 and the assignment can be performed by bitwise copy. Formatting
5566 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
5567 call copy_reg_eh_region_note_forward on before and/or after sequences
5568 and remove note from insn if it no longer can throw.
5571 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
5574 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5576 * config/s390/vector.md: Add missing commutative operand markers
5577 to the patterns which qualify for one.
5578 * config/s390/vx-builtins.md: Likewise.
5580 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5582 * config/s390/vector.md (VI, VI_QHS): Add single element vector
5583 types to mode iterators.
5584 (vec_double): ... and mode attribute.
5585 * config/s390/vx-builtins.md (non_vec_int): Likewise.
5587 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5589 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5590 Change the predicate of op2 from nonimmediate to general and let
5591 reload fix it if necessary.
5593 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5595 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5597 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5599 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5602 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5604 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5605 * config/s390/s390.c (s390_expand_vec_movstr): New function.
5606 * config/s390/s390.md ("movstr<P:mode>"): Call
5607 s390_expand_vec_movstr.
5609 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5611 * config/s390/s390.md: Add missing output modifier for operand 1
5612 to print it as address properly.
5614 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5616 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5617 * config/s390/2964.md: New file.
5618 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5619 of insn grouping attributes depending on the CPU level.
5620 (s390_get_unit_mask): New function.
5621 (s390_sched_score): Remove the OOO from the scheduling macros.
5622 Add loop to calculate a score for the instruction mix.
5623 (s390_sched_reorder): Likewise plus improve debug output.
5624 (s390_sched_variable_issue): Rename macros as above. Calculate
5625 the unit distances after actually scheduling an insn. Improve
5627 (s390_sched_init): Clear last_scheduled_unit_distance array.
5628 * config/s390/s390.md: Include 2964.md.
5630 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5633 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5634 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5635 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5636 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5637 *avx512f_<code>v8div16qi2_mask_1): New insns.
5639 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
5642 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5645 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5646 earlyclobber from target. Use wF constraint for fused memory
5648 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5650 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5651 Martin Liska <mliska@suse.cz>
5654 * cfgexpand.c (asan_sanitize_stack_p): New function.
5655 (partition_stack_vars): Use the function.
5656 (expand_stack_vars): Likewise.
5657 (defer_stack_allocation): Likewise.
5658 (expand_used_vars): Likewise.
5660 2016-02-18 Richard Biener <rguenther@suse.de>
5663 * fold-const.c (operand_equal_p): Properly compare offsets for
5664 IMAGPART_EXPR and ARRAY_REF.
5666 2016-02-18 Nick Clifton <nickc@redhat.com>
5670 * config/arm/arm.c (arm_option_override_internal): Disable
5671 interworking if the target does not support thumb instructions.
5672 (arm_reload_in_hi): Handle the case where a register to register
5673 move needs reloading because there is no simple pattern to handle
5675 (arm_reload_out_hi): Likewise.
5677 2016-02-18 Richard Biener <rguenther@suse.de>
5680 * match.pd: Don't use fold_binary or fold_unary for folding
5683 2016-02-17 Jakub Jelinek <jakub@redhat.com>
5686 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5687 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5688 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5689 warn on gimple_no_warning_p statements.
5691 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
5693 * doc/extend.texi (C++ Attributes): Correct description of
5694 warn_unused type attribute.
5696 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5698 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5699 correct instruction.
5701 2016-02-17 Richard Biener <rguenther@suse.de>
5703 PR rtl-optimization/69609
5704 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5705 (find_traces_1_round): When ending a trace update cached priority
5707 (bb_to_key): Use cached priority when available.
5708 (copy_bb): Initialize cached priority.
5709 (reorder_basic_blocks_software_trace_cache): Likewise.
5711 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5714 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5716 (aarch64_comparison_operator): Break overly long line into two.
5717 (aarch64_comparison_operation): Likewise.
5718 * config/aarch64/aarch64.md (cstorecc4): Use
5719 aarch64_comparison_operator_mode instead of
5720 aarch64_comparison_operator.
5721 (cstore<mode>4): Likewise.
5722 (aarch64_cstore<mode>): Likewise.
5723 (*cstoresi_insn_uxtw): Likewise.
5724 (cstore<mode>_neg): Likewise.
5725 (*cstoresi_neg_uxtw): Likewise.
5727 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5730 * config/arm/predicates.md (arm_comparison_operator_mode):
5732 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5733 instead of arm_comparison_operator.
5734 (*mov_negscc): Likewise.
5735 (*mov_notscc): Likewise.
5736 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5737 (*thumb2_mov_negscc): Likewise.
5738 (*thumb2_mov_negscc_strict_it): Likewise.
5739 (*thumb2_mov_notscc): Likewise.
5740 (*thumb2_mov_notscc_strict_it): Likewise.
5742 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
5744 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5747 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
5749 * config/visium/visium.c (machine_libfunc_index): New enum.
5750 (machine_libfuncs): New structure.
5751 (visium_libfuncs): New static variable.
5752 (TARGET_INIT_LIBFUNCS): Define to...
5753 (visium_init_libfuncs): ...this. New function.
5754 (expand_block_move_4): Use the appropriate libfunc.
5755 (expand_block_move_2): Likewise.
5756 (expand_block_move_1): Likewise.
5757 (expand_block_set_4): Likewise.
5758 (expand_block_set_2): Likewise.
5759 (expand_block_set_1): Likewise.
5760 (visium_trampoline_init): Likewise.
5762 2016-02-17 Nick Clifton <nickc@redhat.com>
5764 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5765 TI's devices.csv file as of March 2016.
5767 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
5770 * opts-global.c (handle_common_deferred_options): Introduce and
5771 initialize two global variables to remember command-line options
5772 specifying a stack-limiting register.
5773 * opts.h: Add extern declarations of the two new global variables.
5774 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5775 variable based on the values of the two new global variables.
5777 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5780 * common.opt (Wnonnull-compare): New warning.
5781 * doc/invoke.texi (-Wnonnull): Remove text about comparison
5782 of arguments against NULL.
5783 (-Wnonnull-compare): Document.
5784 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5785 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5786 * passes.def (pass_warn_nonnull_compare): Add.
5787 * gimple-ssa-nonnull-compare.c: New file.
5789 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5791 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5792 AARCH64_EXTRA_TUNE_RECIP_SQRT.
5794 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5796 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5797 reciprocal sqrt for -mlow-precision-recip-sqrt.
5799 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5800 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5802 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5803 always use lane loads to construct non-constant vectors.
5805 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5807 * config/aarch64/aarch64.md
5808 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5809 constraints for operand 3.
5810 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5812 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5813 Richard Biener <rguenther@suse.de>
5815 PR tree-optimization/69820
5816 * tree-vect-patterns.c (type_conversion_p): Return false if
5817 *orig_type is unsigned single precision or boolean.
5818 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5821 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5823 PR rtl-optimization/69764
5824 PR rtl-optimization/69771
5825 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5826 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5828 2016-02-16 Richard Biener <rguenther@suse.de>
5830 PR tree-optimization/69776
5831 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5833 (indirect_refs_may_alias_p): Likewise.
5834 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5835 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5836 according to tbaa_p.
5837 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5838 (optimize_stmt): For redundant store discovery do not allow tbaa.
5840 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
5842 PR tree-optimization/69714
5843 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5844 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5846 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
5848 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5849 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5850 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5851 * config/arc/arc.c (arc_init): Check FPU options.
5852 (get_arc_condition_code): Handle new CC_FPU* modes.
5853 (arc_select_cc_mode): Likewise.
5854 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5855 register pair only. Allow access for ARCv2 accumulator.
5856 (gen_compare_reg): Whenever we have FPU support use FPU compare
5858 (arc_reorg): Don't generate brcc insns when FPU compare
5859 instructions are involved.
5860 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5861 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5862 floating point emulation.
5863 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5864 (REVERSE_CONDITION): Add new CC_FPU* modes.
5865 (TARGET_FP_SP_BASE): Define.
5866 (TARGET_FP_DP_BASE): Likewise.
5867 (TARGET_FP_SP_FUSED): Likewise.
5868 (TARGET_FP_DP_FUSED): Likewise.
5869 (TARGET_FP_SP_CONV): Likewise.
5870 (TARGET_FP_DP_CONV): Likewise.
5871 (TARGET_FP_SP_SQRT): Likewise.
5872 (TARGET_FP_DP_SQRT): Likewise.
5873 (TARGET_FP_DP_AX): Likewise.
5874 * config/arc/arc.md (ARCV2_ACC): New constant.
5875 (type): New fpu type attribute.
5876 (SDF): Conditional iterator.
5877 (cstore<mode>, cbranch<mode>): Change expand condition.
5878 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5879 handles FPU/FPX cases as well.
5880 * config/arc/arc.opt (mfpu): New option.
5881 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5883 (adddf3, muldf3, subdf3): Removed.
5884 * config/arc/predicates.md (proper_comparison_operator): Recognize
5886 * config/arc/fpu.md: New file.
5887 * doc/invoke.texi (ARC Options): Document mfpu option.
5889 2016-02-16 Richard Biener <rguenther@suse.de>
5891 PR rtl-optimization/69291
5892 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5893 noce_operand_ok check.
5895 2016-02-16 Tom de Vries <tom@codesourcery.com>
5898 * omp-low.c (simd_clone_create): Remove call to
5899 symtab->call_cgraph_insertion_hooks.
5901 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5903 PR tree-optimization/69802
5904 * tree-ssa-reassoc.c (update_range_test): If op is
5905 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5906 op == 1 test of precision 1 integral op, otherwise handle
5907 that case as op itself. Fix up formatting.
5908 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5911 2016-02-16 Richard Biener <rguenther@suse.de>
5913 PR tree-optimization/69586
5914 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5915 types for conversion sources.
5917 2016-02-16 Richard Biener <rguenther@suse.de>
5920 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5921 mask OEP_ADDRESS_OF.
5923 2016-02-16 Alan Modra <amodra@gmail.com>
5926 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5927 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5928 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5930 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5931 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5932 (p8_fmrgow_<mode>): Likewise.
5933 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
5935 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5936 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5937 to use movdi_internal64. Remove op0_di.
5938 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5940 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
5942 Add support for the FCCMP insn types
5944 * config/aarch64/aarch64.md (fccmp): Change insn type.
5946 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5947 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5948 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5949 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5950 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5951 * config/arm/types.md (fccmps): Add new insn type.
5954 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
5956 * alias.c (get_alias_set): Fix a typo in comment.
5958 2016-02-15 Richard Biener <rguenther@suse.de>
5960 PR tree-optimization/69595
5961 * match.pd: Complete range test simplification to true.
5963 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
5965 PR rtl-optimization/69648
5966 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5967 pic_offset_table_rtx.
5969 PR rtl-optimization/69752
5970 * ira.c (update_equiv_regs): When looking for more than a single SET,
5971 also take other side effects into account.
5973 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5975 * config/s390/s390.c (s390_function_profiler): Add a new sequence
5976 for z900+ CPUs in 31-bit mode.
5978 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5980 * common/config/s390/s390-common.c (s390_supports_split_stack):
5982 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5983 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5984 * config/s390/s390.c (struct machine_function): New field
5985 split_stack_varargs_pointer.
5986 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5987 in s390_emit_prologue.
5988 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5990 (morestack_ref): New global.
5991 (SPLIT_STACK_AVAILABLE): New macro.
5992 (s390_expand_split_stack_prologue): New function.
5993 (s390_live_on_entry): New function.
5994 (s390_va_start): Use split-stack vararg pointer if appropriate.
5995 (s390_asm_file_end): Emit the split-stack note sections.
5996 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5997 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5998 (UNSPECV_SPLIT_STACK_CALL): New unspec.
5999 (UNSPECV_SPLIT_STACK_DATA): New unspec.
6000 (split_stack_prologue): New expand.
6001 (split_stack_space_check): New expand.
6002 (split_stack_data): New insn.
6003 (split_stack_call): New expand.
6004 (split_stack_call_*): New insn.
6005 (split_stack_cond_call): New expand.
6006 (split_stack_cond_call_*): New insn.
6008 2016-02-15 Richard Biener <rguenther@suse.de>
6010 PR tree-optimization/69783
6011 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6012 Add trivially correct cases.
6014 2016-02-15 Tom de Vries <tom@codesourcery.com>
6017 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
6019 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
6021 2016-02-15 Richard Biener <rguenther@suse.de>
6023 PR tree-optimization/69776
6024 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
6025 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
6026 indicate whether we can use TBAA to disambiguate against stores.
6027 Use alias-set zero if not.
6028 (visit_reference_op_store): Do not use TBAA when looking up
6030 * tree-ssa-pre.c (compute_avail): Use TBAA here.
6031 (eliminate_dom_walker::before_dom_children): But not when looking
6032 up redundant stores.
6034 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
6036 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
6038 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
6040 * config/i386/znver1.md
6041 (znver1_pop, znver1_pop_mem,
6042 znver1_load_imov_double_store,
6043 znver1_load_imov_direct_store,
6044 znver1_load_imov_direct_load,
6045 znver1_load_imov_double_load): Add new.
6046 (znver1_insn, znver1_insn_load): Add icmov type.
6048 znver1_sseavx_fma_load,
6050 znver1_avx256_fma_load): Fix pipe usage.
6052 2016-02-14 Alan Modra <amodra@gmail.com>
6055 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
6056 with an invalid hard reg, reload just the reg not the entire
6057 pre/post-inc/dec address expression.
6059 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
6062 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
6063 fixed R1_REG scratch reg.
6064 (sibcall_value_pcrel_fdpic): Likewise.
6066 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
6070 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
6072 2016-02-12 Walter Lee <walt@tilera.com>
6074 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
6075 * config/tilegx/t-tilegx: Likewise.
6077 2016-02-12 David Malcolm <dmalcolm@redhat.com>
6080 * diagnostic-show-locus.c (struct line_span): New struct.
6081 (layout::get_first_line): Delete.
6082 (layout::get_last_line): Delete.
6083 (layout::get_num_line_spans): New member function.
6084 (layout::get_line_span): Likewise.
6085 (layout::print_heading_for_line_span_index_p): Likewise.
6086 (layout::get_expanded_location): Likewise.
6087 (layout::calculate_line_spans): Likewise.
6088 (layout::m_first_line): Delete.
6089 (layout::m_last_line): Delete.
6090 (layout::m_line_spans): New field.
6091 (layout::layout): Update comment. Replace m_first_line and
6092 m_last_line with m_line_spans, replacing their initialization
6093 with a call to calculate_line_spans.
6094 (diagnostic_show_locus): When printing source lines and
6095 annotations, rather than looping over a single span
6096 of lines, instead loop over each line_span within
6097 the layout, with an inner loop over the lines within them.
6098 Call the context's start_span callback when changing line spans.
6099 * diagnostic.c (diagnostic_initialize): Initialize start_span.
6100 (diagnostic_build_prefix): Break out the building of the location
6101 part of the string into...
6102 (diagnostic_get_location_text): ...this new function, rewriting
6103 it from nested ternary expressions to a sequence of "if"
6105 (default_diagnostic_start_span_fn): New function.
6106 * diagnostic.h (diagnostic_start_span_fn): New typedef.
6107 (diagnostic_context::start_span): New field.
6108 (default_diagnostic_start_span_fn): New prototype.
6110 2016-02-12 David Malcolm <dmalcolm@redhat.com>
6113 * gcc.c (driver::finalize): Fix cleanup of "specs".
6115 2016-02-12 David Malcolm <dmalcolm@redhat.com>
6119 * gcc.c (driver::driver): Initialize m_option_suggestions.
6120 (driver::~driver): Clean up m_option_suggestions.
6121 (suggest_option): Convert to...
6122 (driver::suggest_option): ...this, and split out into
6123 driver::build_option_suggestions and find_closest_string.
6124 (driver::build_option_suggestions): New function, from
6125 first half of suggest_option. Special-case
6126 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
6127 the sanitizer_opts array. For options of enum types, add the
6128 various enum values to the candidate strings.
6129 (driver::handle_unrecognized_options): Remove "const".
6130 * gcc.h (driver::handle_unrecognized_options): Likewise.
6131 (driver::build_option_suggestions): New decl.
6132 (driver::suggest_option): New decl.
6133 (driver::m_option_suggestions): New field.
6134 * opts-common.c (add_misspelling_candidates): New function.
6135 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
6136 and make non-static.
6137 * opts.h (sanitizer_opts): New array decl.
6138 (add_misspelling_candidates): New function decl.
6139 * spellcheck.c (find_closest_string): New function.
6140 * spellcheck.h (find_closest_string): New function decl.
6142 2016-02-12 Jakub Jelinek <jakub@redhat.com>
6144 PR rtl-optimization/69764
6145 PR rtl-optimization/69771
6146 * optabs.c (expand_binop_directly): For shift_optab_p, force
6147 convert_modes with VOIDmode if xop1 has VOIDmode.
6149 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
6152 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
6153 to correctly determine instrumentation thunks.
6155 2016-02-12 Jakub Jelinek <jakub@redhat.com>
6158 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
6159 type by reference, force lhs on the call.
6162 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
6163 Compute retval and retbnd early in all cases if split_part_return_p
6164 and return_bb is not EXIT. Remove all clobber stmts and reset
6165 all debug stmts that refer to SSA_NAMEs defined in split part,
6166 except if it is retval, in that case replace the old retval with the
6167 lhs of the call to the split part.
6169 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6172 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6175 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6176 whose result is used in PHI.
6177 (maybe_optimize_range_tests): Likewise.
6178 (final_range_test_p): Likweise.
6180 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6183 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6184 whose result is used in PHI.
6185 (maybe_optimize_range_tests): Likewise.
6186 (final_range_test_p): Likweise.
6188 2016-02-12 Jakub Jelinek <jakub@redhat.com>
6190 * cgraph.c: Spelling fixes - behaviour -> behavior and
6191 neighbour -> neighbor.
6192 * target.def: Likewise.
6193 * sel-sched.c: Likewise.
6194 * config/mips/mips.c: Likewise.
6195 * config/arc/arc.md: Likewise.
6196 * config/arm/cortex-a57.md: Likewise.
6197 * config/arm/arm.c: Likewise.
6198 * config/arm/neon.md: Likewise.
6199 * config/arm/arm-c.c: Likewise.
6200 * config/vms/vms-c.c: Likewise.
6201 * config/s390/s390.c: Likewise.
6202 * config/i386/znver1.md: Likewise.
6203 * config/i386/i386.c: Likewise.
6204 * config/ia64/hpux-unix2003.h: Likewise.
6205 * config/msp430/msp430.md: Likewise.
6206 * config/rx/rx.c: Likewise.
6207 * config/rx/rx.md: Likewise.
6208 * config/aarch64/aarch64-simd.md: Likewise.
6209 * config/aarch64/aarch64.c: Likewise.
6210 * config/nvptx/nvptx.c: Likewise.
6211 * config/bfin/bfin.c: Likewise.
6212 * config/cris/cris.opt: Likewise.
6213 * config/rs6000/rs6000.c: Likewise.
6214 * target.h: Likewise.
6215 * spellcheck.c: Likewise.
6216 * ira-build.c: Likewise.
6217 * tree-inline.c: Likewise.
6218 * builtins.c: Likewise.
6219 * lra-constraints.c: Likewise.
6220 * explow.c: Likewise.
6221 * hwint.h: Likewise.
6222 * targhooks.c: Likewise.
6223 * tree-vect-data-refs.c: Likewise.
6225 * doc/tm.texi: Likewise.
6226 * doc/extend.texi: Likewise.
6227 * doc/install.texi: Likewise.
6228 * doc/md.texi: Likewise.
6229 * tree-ssa-tail-merge.c: Likewise.
6230 * sched-int.h: Likewise.
6231 * match.pd: Likewise.
6232 * sched-ebb.c: Likewise.
6233 * target.def (omit_struct_return_reg): Likewise.
6234 * gimple-ssa-isolate-paths.c: Likewise.
6235 (find_implicit_erroneous_behaviour): Renamed to...
6236 (find_implicit_erroneous_behavior): ... this.
6237 (find_explicit_erroneous_behaviour): Renamed to...
6238 (find_explicit_erroneous_behavior): ... this.
6239 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
6241 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
6243 PR rtl-optimization/64682
6244 PR rtl-optimization/69567
6245 PR rtl-optimization/69737
6246 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
6247 in I2 as well, just lose it.
6249 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6251 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
6253 (aarch64_last_printed_tune_string): Likewise.
6254 (aarch64_declare_function_name): Only output .arch assembler
6255 directive if it will be different from the previously output
6256 directive. Same for .tune comment but only if -dA is set.
6257 (aarch64_start_file): New function.
6258 (TARGET_ASM_FILE_START): Define.
6260 2016-02-11 David Malcolm <dmalcolm@redhat.com>
6263 * Makefile.in (PLUGIN_HEADERS): Add params.list.
6265 2016-02-11 Jakub Jelinek <jakub@redhat.com>
6268 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
6269 -Wmaybe-uninitialized warning.
6271 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
6274 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
6276 2016-02-11 Richard Biener <rguenther@suse.de>
6278 PR rtl-optimization/69291
6279 * ifcvt.c (noce_try_store_flag_constants): Do not allow
6280 subexpressions affected by changing the result.
6282 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
6285 * lra-constraints.c (curr_insn_transform): Find in/out operands
6286 for secondary memory moves. Update dups.
6288 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
6290 PR tree-optimization/69652
6291 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
6292 to nested loop, did source re-formatting, skip debug statements,
6293 add check on statement with volatile operand, remove dead scalar
6296 2016-02-10 Jakub Jelinek <jakub@redhat.com>
6297 Patrick Palka <ppalka@gcc.gnu.org>
6301 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
6302 calls if the return type is TREE_ADDRESSABLE.
6303 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
6304 * ipa-split.c (split_function): Fix doubled "we" in comment.
6305 Use void return type for the split part even if
6306 !split_point->split_part_set_retval.
6308 2016-02-10 Bin Cheng <bin.cheng@arm.com>
6310 PR tree-optimization/68021
6311 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
6312 when computing the value of biv cand by itself.
6314 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
6316 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
6317 (cortexa57_tunings): Likewise.
6318 (cortexa72_tunings): Likewise.
6319 (arch_macro_fusion_pair_p): Add support for AES fusion.
6320 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
6321 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
6322 Allow virtual registers before reload so early scheduling works.
6323 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
6324 correct latency and pipeline.
6325 (cortex_a57_crypto_complex): Likewise.
6326 (cortex_a57_crypto_xor): Likewise.
6327 (define_bypass): Add AES bypass.
6329 2016-02-10 Richard Biener <rguenther@suse.de>
6331 PR tree-optimization/69726
6332 * passes.def: Add DCE pass before late uninit.
6333 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
6334 really fixup if-conversions job.
6336 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
6338 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
6339 (arm_cortex_a57_tune): Likewise.
6340 (aarch_macro_fusion_pair_p): Add support for AES fusion.
6341 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
6343 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
6345 * timevar.def (TV_PHASE_DBGINFO): Delete.
6346 (TV_PHASE_CHECK_DBGINFO): Likewise.
6347 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
6349 2016-02-10 Richard Biener <rguenther@suse.de>
6351 PR tree-optimization/69719
6352 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6353 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
6355 2016-02-09 Andrew Pinski <apinski@cavium.com>
6358 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
6359 get_vcond_mask_icode returns false.
6361 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6364 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
6365 an ADDIS that adds a pointer to a large constant that sets the
6366 upper16 bits with a load operation.
6368 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
6371 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
6373 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
6375 (vzipq_s16): Likewise.
6376 (vzipq_s32): Likewise.
6377 (vzipq_f32): Likewise.
6378 (vzipq_u8): Likewise.
6379 (vzipq_u16): Likewise.
6380 (vzipq_u32): Likewise.
6381 (vzipq_p8): Likewise.
6382 (vzipq_p16): Likewise.
6384 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
6387 * config/arm/arm.c (neon_endian_lane_map): New function.
6388 (neon_vector_pair_endian_lane_map): New function.
6389 (arm_evpc_neon_vuzp): Allow for big endian lane order.
6390 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
6392 (vuzpq_s16): Likewise.
6393 (vuzpq_s32): Likewise.
6394 (vuzpq_f32): Likewise.
6395 (vuzpq_u8): Likewise.
6396 (vuzpq_u16): Likewise.
6397 (vuzpq_u32): Likewise.
6398 (vuzpq_p8): Likewise.
6399 (vuzpq_p16): Likewise.
6401 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
6404 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
6407 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
6409 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
6410 truncate const_int operand 1 to QImode.
6412 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
6414 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
6415 corresponding to an abnormal edge.
6417 2016-02-09 Tom de Vries <tom@codesourcery.com>
6419 PR tree-optimization/69599
6420 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
6422 (find_func_aliases_for_builtin_call, find_func_clobbers)
6423 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
6426 2016-02-09 Richard Biener <rguenther@suse.de>
6428 PR tree-optimization/69715
6429 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
6430 LHS on calls as non-rewritable.
6432 2016-02-09 Tom de Vries <tom@codesourcery.com>
6435 * lto-wrapper.c (append_diag_options): New function.
6436 (compile_offload_image): Call append_diag_options.
6438 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
6441 * doc/extend.texi (Flag Output Operands): Correct sectioning.
6442 Minor copy-edit to fix verb tenses.
6444 2016-02-08 Jakub Jelinek <jakub@redhat.com>
6446 PR tree-optimization/69209
6447 * ipa-split.c (split_function): If split part is not
6448 returning retval, retval has gimple type but is not
6449 gimple value, force it into a SSA_NAME first.
6451 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
6453 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
6456 2016-02-08 Jason Merrill <jason@redhat.com>
6459 * convert.c (convert_to_integer_1): Check dofold on truncation
6461 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
6462 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
6463 Rename from *_nofold.
6464 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
6465 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
6467 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
6470 * tree.c (build_common_tree_nodes): Remove short_double argument.
6471 All callers changed.
6472 * tree.h (build_common_tree_nodes): Adjust declaration.
6473 * doc/invoke.texi (-fshort-double): Remove documentation.
6474 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6475 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
6476 * lto-wrapper.c (merge_and_complain, append_compiler_options)
6477 (append_linker_options): Don't handle OPT_fshort_double.
6479 PR rtl-optimization/68730
6480 * lra-remat.c (insn_to_cand_activation): New static variable.
6481 (lra_remat): Allocate and free it.
6482 (create_cand): New arg activation. Initialize a field in
6483 insn_to_cand_activation if it is nonnull.
6484 (create_cands): Pass the activation insn to create_cand when making
6485 a candidate involving an output reload. Reorganize code a little.
6486 (do_remat): Keep track of active status of candidates in a separate
6489 2016-02-08 Richard Biener <rguenther@suse.de>
6491 PR tree-optimization/69719
6492 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6493 Properly use absolute of the difference of the two offsets to
6494 compare or adjust the segment length.
6496 2016-02-08 Richard Biener <rguenther@suse.de>
6497 Jeff Law <law@redhat.com>
6500 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
6501 types for anonymous SSA names.
6503 2016-02-08 Richard Biener <rguenther@suse.de>
6505 PR rtl-optimization/69274
6506 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
6508 2016-02-08 Jeff Law <law@redhat.com>
6510 PR tree-optimization/65917
6511 * tree-ssa-dom.c (record_temporary_equivalences): Record both
6512 equivalences from if (x == y) style conditionals.
6513 (loop_depth_of_name): Remove.
6514 (record_equality): Remove loop depth check.
6515 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
6516 (const_and_copies::record_const_or_copy_raw): New member function.
6517 * tree-ssa-scopedtables.c
6518 (const_and_copies::record_const_or_copy_raw): New, factored out of
6519 (const_and_copies::record_const_or_copy): Call new member function.
6521 2016-02-05 Jeff Law <law@redhat.com>
6523 PR tree-optimization/68541
6524 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
6525 (count_stmts_in_block): New function.
6526 (poor_ifcvt_candidate_code): Likewise.
6527 (is_feasible_trace): Add some heuristics to determine when path
6528 splitting is profitable.
6529 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
6530 is a diamond with a single exit.
6532 2016-02-05 Martin Sebor <msebor@redhat.com>
6535 * doc/invoke.texi: Update -Wplacement-new to take an optional
6538 2016-02-06 Richard Henderson <rth@redhat.com>
6541 * tree.c (tree_nop_conversion_p): Do not strip casts into or
6542 out of non-standard address spaces.
6544 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6546 PR rtl-optimization/69691
6547 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
6549 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
6551 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
6552 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
6553 (*ieee128_mfvsrd_64bit): Likewise.
6554 (*ieee128_mfvsrd_32bit): Likewise.
6556 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
6560 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6562 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6563 instrumented_version.
6565 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
6567 * doc/invoke.texi (Optimize Options): In table of --param options
6568 rename second occurrence of tracer-min-branch-ratio to
6569 tracer-min-branch-probability, rename
6570 tracer-min-branch-ratio-feedback to
6571 tracer-min-branch-probability-feedback and clarify description,
6572 rename sched-spec-state-edge-prob-cutoff to
6573 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
6574 to selsched-insns-to-rename, rename lto-minpartition to
6575 lto-min-partition, delete reorder-blocks-duplicate and
6576 reorder-blocks-duplicate-feedback.
6578 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6580 * config/s390/s390.c (s390_register_info_set_ranges): Remove
6583 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
6585 * doc/extend.texi: S/390: Correct some typos.
6587 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6589 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6591 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6594 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6595 (s390_register_info_gprtofpr): Use new macros above.
6596 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6598 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6599 its name. Adjust restore and save gpr ranges.
6600 (s390_register_info_set_ranges): New function.
6601 (s390_register_info): Use new macros above. Call
6602 s390_register_info_set_ranges.
6603 (s390_optimize_register_info): Likewise.
6604 (s390_hard_regno_rename_ok): Use new macros.
6605 (s390_hard_regno_scratch_ok): Likewise.
6606 (s390_emit_epilogue): Likewise.
6607 (s390_can_use_return_insn): Likewise.
6608 (s390_optimize_prologue): Likewise.
6609 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6611 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6614 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6616 (ix86_option_override_internal): Disable TARGET_STV even for
6617 -m{incoming,preferred}-stack-boundary=3.
6619 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6621 * config.gcc: Mark deprecated rtems targets as obsolete.
6623 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
6625 PR rtl-optimization/64682
6626 PR rtl-optimization/69567
6627 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6628 before I2 only if the register is both used and set in I2.
6630 2016-02-04 DJ Delorie <dj@redhat.com>
6632 * config/msp430/msp430.c (msp430_start_function): Add function type.
6634 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6637 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6639 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
6641 PR rtl-optimization/69577
6643 2015-10-29 Richard Henderson <rth@redhat.com>
6647 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6648 sse check to the exact conditions of PR 67609.
6650 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
6653 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6654 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6655 not allowed into the traditional Altivec registers.
6656 (movtd_64bit_nodm): Likewise.
6657 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6659 2016-02-04 David Malcolm <dmalcolm@redhat.com>
6661 * config/aarch64/cortex-a57-fma-steering.c
6662 (aarch64_register_fma_steering): Remove "static" from arguments
6665 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
6668 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6671 2016-02-04 Mike Frysinger <vapier@gentoo.org>
6673 * doc/invoke.texi: Delete -mno-fma4.
6675 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
6677 PR rtl-optimization/69577
6678 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6679 (find_subregs_of_mode): Update accordingly. Iterate over partial
6682 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
6684 * config/arm/arm-protos.h (neon_reinterpret): Remove.
6685 * config/arm/arm.c (neon_reinterpret): Remove.
6686 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6687 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6688 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6689 vreinterpretti): Remove.
6690 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6691 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6692 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6693 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6694 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6695 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6696 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6697 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6698 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6699 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6700 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6701 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6702 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6703 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6704 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6705 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6706 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6707 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6708 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6709 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6710 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6711 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6712 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6713 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6714 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6715 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6716 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6717 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6718 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6719 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6720 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6721 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6722 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6723 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6724 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6725 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6726 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6727 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6728 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6729 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6730 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6731 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6732 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6733 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6734 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6735 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6736 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6737 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6738 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6739 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6740 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6741 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6742 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6743 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6744 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6745 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6746 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6747 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6748 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6749 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6750 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6751 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6752 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6753 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6754 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6755 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6756 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6757 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6758 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6759 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6760 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6761 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6762 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6763 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6764 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6765 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6766 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6767 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6768 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6769 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6770 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6771 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6772 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6773 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6774 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6775 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6776 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6777 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6778 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6779 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6780 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6781 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6782 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6783 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6784 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6785 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6786 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6787 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6788 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6789 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6790 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6791 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6792 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6794 2016-02-04 Martin Liska <mliska@suse.cz>
6797 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6798 that are gimple_store_p.
6799 (maybe_instrument_call): Likewise.
6801 2016-02-04 Bin Cheng <bin.cheng@arm.com>
6803 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6804 register scaling out of memory reference and comment why.
6806 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6810 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6811 folding the source of a SET.
6813 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6817 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6818 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6820 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
6824 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6827 2016-02-04 Christian Bruel <christian.bruel@st.com>
6829 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6830 * config/arm/arm.c (arm_set_current_function): Likewise.
6832 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6833 Ilya Enkovich <enkovich.gnu@gmail.com>
6834 H.J. Lu <hongjiu.lu@intel.com>
6837 * config/i386/i386.c (convert_scalars_to_vector): Remove
6838 stack alignment fixes.
6839 (ix86_option_override_internal): Disable TARGET_STV if stack
6840 might not be aligned enough.
6841 (ix86_minimum_alignment): Assert that TARGET_STV is false.
6843 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
6845 * gcc/config/i386/x86-tune.def: Disable default prefetching
6848 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
6849 Vladimir Makarov <vmakarov@redhat.com>
6852 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6853 in validating fused toc addresses.
6855 2016-02-03 Jakub Jelinek <jakub@redhat.com>
6858 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6859 range->m_caret fields if range->m_show_caret_p is false.
6862 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6863 Force oldval into register if it does not satisfy reg_or_short_operand
6864 predicate. Fix up formatting.
6866 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
6867 Alexandre Oliva <aoliva@redhat.com>
6870 * lra-constraints.c (simplify_operand_subreg): Check additionally
6871 address validity after potential reloading.
6872 (process_address_1): Check insns validity. In case of failure do
6875 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
6878 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6881 2016-02-02 Jakub Jelinek <jakub@redhat.com>
6883 * wide-int.cc (canonize_uhwi): New function.
6884 (wi::divmod_internal): Use it.
6886 2016-02-02 James Norris <jnorris@codesourcery.com
6888 * gimplify.c (omp_notice_variable): Add usage check.
6890 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
6892 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6893 like LE, GE, LT, GT when emitting relational operator.
6895 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6897 * ira-costs.c (find_costs_and_classes): Add extra argument.
6898 * target.def (ira_change_pseudo_allocno_class): Add parameter.
6899 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6900 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6901 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6902 Add best_class parameter, and return it if not ALL_REGS.
6903 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6905 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6908 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6910 * config/aarch64/aarch64.c
6911 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6912 (aarch64_ira_change_pseudo_allocno_class): New function.
6914 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
6917 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6919 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6921 * config/avr/avr.c (avr_option_override): Set
6922 PARAM_ALLOW_STORE_DATA_RACES to 1.
6924 2016-02-02 Richard Biener <rguenther@suse.de>
6926 PR tree-optimization/69595
6927 * match.pd: Add range test simplifications to true/false.
6929 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
6931 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6932 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6935 2016-02-02 Richard Biener <rguenther@suse.de>
6937 PR tree-optimization/69606
6938 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6939 info on the result before moving a stmt.
6941 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
6944 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6945 branch with vector comparison.
6946 * config/i386/sse.md (VI48_AVX): New mode iterator.
6947 (define_expand "cbranch<mode>4): Add support for conditional branch
6948 with vector comparison.
6949 * tree-vect-loop.c (optimize_mask_stores): New function.
6950 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6951 has_mask_store field of vect_info.
6952 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6953 vectorized loops having masked stores after vec_info destroy.
6954 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6955 correspondent macros.
6956 (optimize_mask_stores): Add prototype.
6958 2016-02-02 Alan Modra <amodra@gmail.com>
6961 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6964 2016-02-02 Alan Modra <amodra@gmail.com>
6967 * config/rs6000/rs6000.c (need_toc_init): New var, set it
6968 whenever toc_label_name used.
6969 (rs6000_file_start): Don't set up toc section here,
6970 (rs6000_output_function_epilogue): do so here instead,
6971 (rs6000_xcoff_file_start): and here.
6972 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6973 (load_toc_aix_di): Likewise.
6975 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6977 PR rtl-optimization/69592
6978 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6979 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6980 (num_sign_bit_copies_binary_arith_p): New inline function.
6981 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6983 2016-02-01 Jeff Law <law@redhat.com>
6985 PR tree-optimization/69580
6986 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6987 * tree-ssa-threadbackward.c
6988 (fsm_find_control_statement_thread_paths): Do not try to walk
6989 through large PHI nodes.
6991 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6993 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6994 when count is incremented above limit, don't analyze further
6997 * omp-low.c (oacc_parse_default_dims): Avoid
6998 -Wsign-compare warning, make sure value fits into int
6999 rather than just unsigned int.
7001 2016-02-01 Bin Cheng <bin.cheng@arm.com>
7003 PR tree-optimization/67921
7004 * fold-const.c (split_tree): New parameters. Convert pointer
7005 type variable part to proper type before negating.
7006 (fold_binary_loc): Pass new arguments to split_tree.
7008 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
7010 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
7011 (nvptx_goacc_validate_dims): Extend to handle global defaults.
7012 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
7013 * doc/tm.texti: Rebuilt.
7014 * doc/invoke.texi (fopenacc-dim): Document.
7015 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
7016 (append_compiler_options): Likewise.
7017 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
7018 (oacc_parse_default_dims): New.
7019 (oacc_validate_dims): Add USED arg. Select non-unity default when
7021 (oacc_loop_fixed_partitions): Return mask of used partitions.
7022 (oacc_loop_auto_partitions): Emit dump info.
7023 (oacc_loop_partition): Return mask of used partitions.
7024 (execute_oacc_device_lower): Parse default dimension arg. Adjust
7025 loop partitioning and validation calls.
7027 2016-02-01 Richard Biener <rguenther@suse.de>
7030 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
7032 2016-02-01 Richard Biener <rguenther@suse.de>
7034 PR tree-optimization/69574
7035 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
7036 of asserting return chrec_dont_know.
7038 2016-02-01 Martin Liska <mliska@suse.cz>
7040 * mem-stats-traits.h: Add copyright header.
7041 * mem-stats.h: Likewise.
7043 2016-02-01 Richard Biener <rguenther@suse.de>
7045 PR tree-optimization/69579
7046 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
7047 Do not propagate through abnormal PHI results.
7049 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
7051 * postreload.c (reload_cse_simplify): Remove dead code.
7053 2016-02-01 Jakub Jelinek <jakub@redhat.com>
7055 PR rtl-optimization/69570
7056 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
7057 if there is more than one set, not if there is a single set.
7059 2016-02-01 Richard Henderson <rth@redhat.com>
7062 * combine.c (make_compound_operation): When looking through a
7063 subreg, make sure to re-extend to the width of the outer mode.
7065 2016-01-30 Jakub Jelinek <jakub@redhat.com>
7067 PR tree-optimization/69546
7068 * wide-int.cc (wi::divmod_internal): For unsigned division
7069 where both operands fit into uhwi, if o1 is 1 and o0 has
7070 msb set, if divident_prec is larger than bits per hwi,
7071 clear another quotient word and return 2 instead of 1.
7072 Similarly for remainder with msb in HWI set, if dividend_prec
7073 is larger than bits per hwi.
7075 2016-01-29 Martin Jambor <mjambor@suse.cz>
7077 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
7078 Use short lowercase names.
7079 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
7080 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
7081 acq_rel one. Protect warning agains segfaults if
7082 get_memory_order_name returns NULL.
7083 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
7084 with release semantics. Do not warn if get_memory_order already did.
7085 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
7086 semantics. Fix check for relaxed or acquire semantics. Do not warn
7087 if get_memory_order already did.
7089 2016-01-29 Sebastian Pop <s.pop@samsung.com>
7091 * doc/install.texi: Document that isl-0.16 is supported.
7093 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
7096 * config/i386/constraints.md (Bm): Describe as special memory
7098 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
7099 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7100 * genpreds.c (struct constraint_data): Add is_special_memory.
7101 (have_special_memory_constraints, special_memory_start): New
7103 (special_memory_end): Ditto.
7104 (add_constraint): Add new arg is_special_memory. Add code to
7105 process its true value. Update have_special_memory_constraints.
7106 (process_define_constraint): Pass the new arg.
7107 (process_define_register_constraint): Ditto.
7108 (choose_enum_order): Process special memory.
7109 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
7110 function insn_extra_special_memory_constraint.
7111 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7112 * gensupport.c (process_rtx): Process
7113 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7114 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
7115 * ira-lives.c (single_reg_class): Use
7116 insn_extra_special_memory_constraint.
7117 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
7118 * lra-constraints.c (process_alt_operands): Ditto.
7119 (curr_insn_transform): Use insn_extra_special_memory_constraint.
7120 * recog.c (asm_operand_ok, preprocess_constraints): Process
7122 * reload.c (find_reloads): Ditto.
7123 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
7124 * stmt.c (parse_input_constraint): Use
7125 insn_extra_special_memory_constraint.
7127 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
7130 * lra-splill.c (lra_final_code_change): Revert r229087 by
7131 removing all sub-registers.
7133 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
7136 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
7138 2016-01-29 Jakub Jelinek <jakub@redhat.com>
7141 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
7142 SSE1, copy target into the temporary reg first before recursing
7145 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
7147 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
7150 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
7152 * ginclude/stdarg.h: Test __cplusplus instead of
7153 __GXX_EXPERIMENTAL_CXX0X__.
7155 2016-01-29 Richard Biener <rguenther@suse.de>
7157 PR tree-optimization/69547
7158 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
7159 Do not mark clobbers necessary.
7160 (mark_all_reaching_defs_necessary_1): Likewise.
7162 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
7164 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
7165 declaration name with %qs and print it in both error messages.
7166 Also fix indentation.
7168 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
7171 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
7172 trailing blank line from error message.
7174 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
7177 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
7180 2016-01-29 Richard Biener <rguenther@suse.de>
7183 * match.pd: Allow all integral types when simplifying a
7184 widening or sign-changing conversion.
7186 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7188 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
7189 back to setting codegen_error to fail codegen.
7191 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
7194 * config/i386/constraints.md (C): Only accept constant zero operand.
7195 (BC): New constraint.
7196 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
7197 instead of C constraint.
7198 * doc/md.texi (Machine Constraints): Update description
7201 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
7204 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
7206 2016-01-28 Jakub Jelinek <jakub@redhat.com>
7209 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
7212 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
7214 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
7215 branches if using guessed profile.
7217 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
7219 * graphite-optimize-isl.c (optimize_isl): Fix dump.
7221 2016-01-28 Richard Henderson <rth@redhat.com>
7224 * config/aarch64/aarch64-modes.def (CC_Cmode): New
7225 * config/aarch64/aarch64-protos.h: Update.
7226 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
7227 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
7228 (aarch64_get_condition_code_1): Handle CC_Cmode.
7229 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
7230 (*add<mode>3_compareC_cconly_imm): New.
7231 (*add<mode>3_compareC_cconly): New.
7232 (*add<mode>3_compareC_imm): New.
7233 (add<mode>3_compareC): New.
7234 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
7235 to be first. Use aarch64_carry_operation.
7236 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
7237 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
7238 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
7239 (subti3): Use subdi3_compare1.
7240 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
7241 (sub<mode>3_compare1): New.
7242 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
7243 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
7244 (*subsi3_carryin_uxtw): Likewise.
7245 (*ngc<mode>, *ngcsi_uxtw): Likewise.
7246 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
7247 * config/aarch64/iterators.md (DWI): New.
7248 * config/aarch64/predicates.md (aarch64_carry_operation): New.
7249 (aarch64_borrow_operation): New.
7251 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
7253 * graphite-optimize-isl.c (optimize_isl): Print a different debug
7254 message when isl does not return a valid schedule.
7256 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7258 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
7259 Remove comments from class declarations: they are already in the code
7262 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7264 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
7266 (ternary_op_to_tree): Same.
7267 (unary_op_to_tree): Same.
7268 (nary_op_to_tree): Same.
7269 (gcc_expression_from_isl_expr_op): Same.
7270 (gcc_expression_from_isl_expression): Same.
7271 (graphite_create_new_loop): Same.
7272 (graphite_create_new_loop_guard): Same.
7273 (build_iv_mapping): Same.
7274 (graphite_create_new_guard): Same.
7275 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
7276 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
7278 2016-01-28 Sebastian Pop <s.pop@samsung.com>
7280 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
7281 instead of setting codegen_error to fail codegen.
7283 2016-01-28 Jason Merrill <jason@redhat.com>
7285 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
7287 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
7289 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7290 Remove CONST_INT_P check in CCMP cost calculation.
7292 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
7294 * config/aarch64/aarch64.c (generic_vector_cost):
7295 Set vec_permute_cost.
7296 (cortexa57_vector_cost): Likewise.
7297 (exynosm1_vector_cost): Likewise.
7298 (xgene1_vector_cost): Likewise.
7299 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
7300 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
7301 Add vec_permute_cost entry.
7303 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
7305 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
7307 (add<mode>3_compare0): Likewise.
7308 (addsi3_compare0_uxtw): Likewise.
7309 (add<mode>3nr_compare0): Likewise.
7310 (compare_neg<mode>): Likewise.
7311 (<optab><mode>3): Likewise.
7313 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
7315 * tree-vect-stmts.c (vectorizable_comparison): Add
7316 NULL check for vectype.
7318 2016-01-28 Richard Biener <rguenther@suse.de>
7320 PR tree-optimization/69466
7321 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
7322 Account for PHIs we couldn't duplicate.
7324 2016-01-28 Martin Liska <mliska@suse.cz>
7327 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
7328 instead of ENABLE_VALGRIND_CHECKING.
7330 2016-01-27 Richard Henderson <rth@redhat.com>
7333 * lra-remat.c (subreg_regs): New.
7334 (dump_candidates_and_remat_bb_data): Dump it.
7335 (operand_to_remat): Reject if operand in subreg_regs.
7336 (set_bb_regs): Collect subreg_regs.
7337 (lra_remat): Init and free subreg_regs. Compute
7338 calculate_local_reg_remat_bb_data before create_cands.
7340 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
7343 * config/i386/i386.c (ix86_update_stack_boundary): Don't
7344 change stack_alignment_needed for __tls_get_addr call.
7346 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
7348 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
7350 2016-01-27 Jeff Law <law@redhat.com>
7352 PR tree-optimization/68398
7353 PR tree-optimization/69196
7354 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
7355 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
7356 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7357 Only count PHIs in the last block in the path. The others will
7358 const/copy propagate away. Add heuristic to allow more irreducible
7359 subloops to be created when it is likely profitable to do so.
7361 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7362 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
7363 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
7365 2016-01-27 Jakub Jelinek <jakub@redhat.com>
7368 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
7369 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
7370 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
7371 * tree-streamer-in.c: Include asan.h.
7372 (streamer_get_builtin_tree): For builtins in sanitizer
7373 range call initialize_sanitizer_builtins and retry.
7375 2016-01-27 Ian Lance Taylor <iant@google.com>
7377 * common.opt (fkeep-gc-roots-live): New undocumented option.
7378 * tree-ssa-loop-ivopts.c (add_candidate_1): If
7379 -fkeep-gc-roots-live, skip pointers.
7380 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
7383 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
7386 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
7387 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
7389 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
7392 * configure.ac: NetBSD provides SSP in its C library.
7393 * configure: Updated.
7395 2016-01-27 Richard Biener <rguenther@suse.de>
7397 PR tree-optimization/69166
7398 * tree-vect-loop.c (vect_is_simple_reduction): Always check
7399 reduction code for commutativity / associativity.
7401 2016-01-27 Martin Jambor <mjambor@suse.cz>
7403 PR tree-optimization/69355
7404 * tree-sra.c (analyze_access_subtree): Correct hole detection when
7405 total_scalarization fails.
7407 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
7409 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
7412 2016-01-27 Christian Bruel <christian.bruel@st.com>
7415 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
7416 Move arm_reset_previous_fndecl and set_target_option_current_node in
7417 the conditional part. Call save_restore_target_globals.
7418 * config/arm/arm.c (arm_set_current_function):
7419 Refactor to better support #pragma target and attribute mix.
7420 Call save_restore_target_globals.
7421 * config/arm/arm-protos.h (save_restore_target_globals): New function.
7423 2016-01-27 Martin Liska <mliska@suse.cz>
7425 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
7426 reference for an HSA kernel and its host function.
7428 2016-01-27 Jakub Jelinek <jakub@redhat.com>
7430 PR tree-optimization/69399
7431 * wide-int.h (wi::lrshift): For larger precisions, only
7432 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
7434 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
7436 * config/arc/predicates.md (proper_comparison_operator): Reject
7437 constant-constant comparison.
7439 2016-01-26 Tom de Vries <tom@codesourcery.com>
7441 PR tree-optimization/69110
7442 * tree-data-ref.c (initialize_data_dependence_relation): Handle
7443 DR_NUM_DIMENSIONS == 0.
7445 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
7446 Sebastian Pop <s.pop@samsung.com>
7448 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
7449 isl_ast_op_cond and isl_ast_op_select.
7450 (gcc_expression_from_isl_expr_op): Same.
7452 2016-01-26 Jason Merrill <jason@redhat.com>
7455 * tree.c (recompute_constructor_flags): Split out from
7457 (verify_constructor_flags): New.
7458 * tree.h: Declare them.
7460 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
7462 PR rtl-optimization/69217
7463 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
7464 are no TYPE_FIELDS set for the record type.
7466 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7469 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
7470 toc_label_name unconditionally.
7471 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
7472 SYMBOL_REF string. Use toc_label_name instead of constructing
7474 (rs6000_elf_declare_function_name): Use toc_label_name instead of
7475 constructing LCTOC1.
7477 2016-01-26 Martin Sebor <msebor@redhat.com>
7480 * doc/extend.texi (Common Type Attributes): Move text that talks about
7481 attribute packed from attribute aligned to the section discussing
7482 the former attribute for clarity.
7484 2016-01-26 Richard Henderson <rth@redhat.com>
7487 * trans-mem.c (tm_region_init): Mark entry block as visited.
7489 2016-01-26 David Malcolm <dmalcolm@redhat.com>
7492 * diagnostic-show-locus.c (layout::print_source_line): Replace
7493 call to pp_newline with call to layout::print_newline.
7494 (layout::print_annotation_line): Likewise.
7495 (layout::move_to_column): Likewise.
7496 (layout::print_any_fixits): After printing any fixits, print a
7497 trailing newline, if necessary.
7498 (layout::print_newline): New method, resetting any colorization
7500 (diagnostic_show_locus): Move the pp_newline to before the
7501 early bailout. Remove dummy block enclosing the layout instance.
7502 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
7503 of pp_newline_and_flush with pp_flush.
7504 (diagnostic_append_note): Delete use of pp_newline.
7505 (diagnostic_append_note_at_rich_loc): Delete.
7506 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
7507 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
7508 when newline characters are added to the buffer.
7510 2016-01-26 Michael Matz <matz@suse.de>
7512 * configure.ac (ac_cv_std_swap_in_utility): New test.
7513 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
7514 * configure: Regenerate.
7515 * config.in: Regenerate.
7517 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
7519 * config/arc/arc.md (cstoresi4): Force operand into register.
7520 (arcset<code>): Fix predicate.
7521 (arcsetltu): Likewise.
7522 (arcsetgeu): Likewise.
7523 (arcsethi): Likewise.
7524 (arcsetls): Likewise.
7526 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7528 PR tree-optimization/69483
7529 * gimple-fold.c (canonicalize_constructor_val): Return NULL
7530 if base has error_mark_node type.
7532 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
7535 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
7536 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
7538 (vget_lane_f16): Handle big-endian.
7539 (vgetq_lane_f16): Likewise.
7540 (vset_lane_f16): Likewise.
7541 (vsetq_lane_f16): Likewise.
7542 * config/arm/iterators.md (VQXMOV): Add V8HF.
7543 (VDQ): Add V4HF and V8HF.
7544 (V_reg): Handle V4HF and V8HF.
7545 (Is_float_mode): Likewise.
7546 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
7547 neon_vdup_nv8hf): New patterns.
7548 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
7549 Use VD_LANE iterator.
7550 (neon_vld1_dup<mode>): Use VQ2 iterator.
7552 2016-01-26 Nathan Sidwell <nathan@acm.org>
7554 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
7555 (set_oacc_fn_attrib): Add IS_KERNEL arg.
7556 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
7557 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
7558 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
7559 (oacc_validate_dims): Add LEVEL arg, don't return level.
7560 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
7562 (execute_oacc_device_lower): Adjust, add more dump output.
7563 * tree-ssa-loop.c (gate_oacc_kernels): Use
7564 oacc_fn_attrib_kernels_p.
7565 * tree-parloops.c (create_parallel_loop): Adjust
7566 set_oacc_fn_attrib call.
7568 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7571 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
7572 (append_compiler_options): Handle -fcilkplus.
7573 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
7575 2016-01-26 Nick Clifton <nickc@redhat.com>
7578 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7579 been marked as DECL_ONE_ONLY but we do not the means to make it
7580 so, then do not allow it to bind locally.
7582 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7585 * opts.h (parse_sanitizer_options): New prototype.
7586 * opts.c (sanitizer_opts): New array.
7587 (parse_sanitizer_options): New function.
7588 (common_handle_option): Use parse_sanitizer_options.
7590 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
7593 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7594 alignment adjustment to ...
7595 (ix86_update_stack_boundary): Here. Don't over-align stack for
7597 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7598 if __tls_get_addr is called.
7600 2016-01-26 Christian Bruel <christian.bruel@st.com>
7602 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7604 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
7606 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7608 2016-01-26 Richard Biener <rguenther@suse.de>
7611 * match.pd: Guard X * CST CMP 0 pattern with single_use.
7613 2016-01-26 Richard Biener <rguenther@suse.de>
7615 PR tree-optimization/69452
7616 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7617 (move_computations_dom_walker::before_dom_children): Rename
7619 (move_computations_worker): This.
7620 (move_computations): Perform an RPO rather than a DOM walk.
7622 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7625 * combine.c (combine_instructions): For REG_EQUAL note with
7626 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7627 to the underlying register.
7628 * doc/rtl.texi (REG_EQUAL): Document the behavior of
7629 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7631 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
7634 * config/aarch64/aarch64-builtins.c
7635 (aarch64_init_simd_builtin_types): Do not set structural
7636 equality to __Poly{8,16,64,128}_t types.
7638 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
7640 PR tree-optimization/69400
7641 * wide-int.cc (wi_pack): Take the precision as argument and
7642 perform canonicalization here rather than in the callers.
7643 Use the main loop to handle all full-width HWIs. Add a
7644 zero HWI if in_len isn't a full result.
7645 (wi::divmod_internal): Update accordingly.
7646 (wi::mul_internal): Likewise. Simplify.
7648 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7649 Sebastian Pop <s.pop@samsung.com>
7651 * graphite-poly.c (apply_poly_transforms): Simplify.
7652 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7653 (print_isl_map): Same.
7654 (print_isl_union_map): Same.
7655 (print_isl_schedule): New.
7656 (debug_isl_schedule): New.
7657 * graphite-dependences.c (scop_get_reads): Do not call
7658 isl_union_map_add_map that is undocumented isl functionality.
7659 (scop_get_must_writes): Same.
7660 (scop_get_may_writes): Same.
7661 (scop_get_original_schedule): Remove.
7662 (scop_get_dependences): Do not call isl_union_map_compute_flow that
7663 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
7664 (compute_deps): Remove.
7665 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7666 (debug_schedule_ast): New.
7667 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7668 set_separate_option.
7669 (graphite_regenerate_ast_isl): Add dump.
7670 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7671 from scop->transformed_schedule.
7672 (graphite_regenerate_ast_isl): Add more dump.
7673 * graphite-optimize-isl.c (optimize_isl): Set
7674 scop->transformed_schedule. Check whether schedules are equal.
7675 (apply_poly_transforms): Move here.
7676 * graphite-poly.c (apply_poly_transforms): ... from here.
7677 (free_poly_bb): Static.
7678 (free_scop): Static.
7679 (pbb_number_of_iterations_at_time): Remove.
7680 (print_isl_ast): New.
7681 (debug_isl_ast): New.
7682 (debug_scop_pbb): New.
7683 * graphite-scop-detection.c (print_edge): Move.
7685 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7686 (build_scop_scattering): Remove.
7687 (create_pw_aff_from_tree): Assert instead of bailing out.
7688 (add_condition_to_pbb): Remove unused code, do not fail.
7689 (add_conditions_to_domain): Same.
7690 (add_conditions_to_constraints): Remove.
7691 (build_scop_context): New.
7692 (add_iter_domain_dimension): New.
7693 (build_iteration_domains): Initialize pbb->iterators.
7694 Call add_conditions_to_domain.
7697 (index_outermost_in_loop): New.
7698 (index_pbb_in_loop): New.
7699 (outermost_pbb_in): New.
7700 (add_in_sequence): New.
7701 (add_outer_projection): New.
7702 (outer_projection_mupa): New.
7703 (add_loop_schedule): New.
7704 (build_schedule_pbb): New.
7705 (build_schedule_loop): New.
7706 (embed_in_surrounding_loops): New.
7707 (build_schedule_loop_nest): New.
7708 (build_original_schedule): New.
7709 (build_poly_scop): Call build_original_schedule.
7710 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7711 (free_poly_dr): Remove.
7712 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
7713 (free_poly_bb): Remove.
7714 (debug_loop_vec): Remove.
7715 (print_isl_ast): Declare.
7716 (debug_isl_ast): Declare.
7717 (scop_do_interchange): Remove.
7718 (scop_do_strip_mine): Remove.
7719 (scop_do_block): Remove.
7720 (flatten_all_loops): Remove.
7721 (optimize_isl): Remove.
7722 (pbb_number_of_iterations_at_time): Remove.
7723 (debug_scop_pbb): Declare.
7724 (print_schedule_ast): Declare.
7725 (debug_schedule_ast): Declare.
7726 (struct scop): Remove schedule. Add original_schedule,
7727 transformed_schedule.
7728 (free_gimple_poly_bb): Remove.
7729 (print_generated_program): Remove.
7730 (debug_generated_program): Remove.
7731 (unify_scattering_dimensions): Remove.
7732 * sese.c (print_edge): ... here.
7733 (print_sese): ... here.
7734 (debug_edge): ... here.
7735 (debug_sese): ... here.
7736 * sese.h (print_edge): Declare.
7737 (print_sese): Declare.
7738 (dump_edge): Declare.
7739 (dump_sese): Declare.
7741 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7742 Sebastian Pop <s.pop@samsung.com>
7744 * Makefile.in: Set ISLVER in site.exp.
7746 2016-01-25 Jakub Jelinek <jakub@redhat.com>
7748 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7749 DECL_VALUE_EXPR of new_var even for the non-array case. Look
7750 through DECL_VALUE_EXPR for expansion.
7752 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
7754 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7755 the frame info after reload completed.
7757 2016-01-25 Jeff Law <law@redhat.com>
7759 PR tree-optimization/69196
7760 PR tree-optimization/68398
7761 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7762 tree-ssa-threadupdate.c.
7763 (determine_bb_domination_status): Prototype
7764 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7765 (determine_bb_domination_status): No longer static.
7766 (valid_jump_thread_path): Remove code to detect characteristics
7767 of the jump thread path not associated with correctness.
7768 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7769 Correct test for thread path length. Count PHIs for real operands as
7770 statements that need to be copied. Do not count ASSERT_EXPRs.
7771 Look at all the blocks in the thread path. Compute and selectively
7772 filter thread paths based on threading through the latch, threading
7773 a multiway branch or crossing a multiway branch.
7775 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7777 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
7778 decl with __attribute__ ((unused)) annotation.
7780 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
7783 * tree-vect-stmts.c (vectorizable_condition): Check vectype
7784 of operands is compatible with a statement vectype.
7786 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
7788 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7789 improve wording for mixed storage order support.
7791 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
7793 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7794 (vcvt_u64_f64): Likewise.
7795 (vcvta_s64_f64): Likewise.
7796 (vcvta_u64_f64): Likewise.
7797 (vcvtm_s64_f64): Likewise.
7798 (vcvtm_u64_f64): Likewise.
7799 (vcvtn_s64_f64): Likewise.
7800 (vcvtn_u64_f64): Likewise.
7801 (vcvtp_s64_f64): Likewise.
7802 (vcvtp_u64_f64): Likewise.
7804 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
7806 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7807 (arc_init): Check validity mll64 option.
7808 (arc_save_restore): Use double load/store instruction.
7809 (arc_expand_movmem): Likewise.
7810 (arc_split_move): Don't split if we have double load/store
7811 instructions. Returns a boolean.
7812 (arc_process_double_reg_moves): Change function to return boolean
7813 instead of a sequence of instructions.
7814 (arc_dwarf_register_span): New function.
7815 * config/arc/arc-protos.h (arc_split_move): Change prototype.
7816 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7817 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7818 (*movdf_insn): Likewise.
7819 * config/arc/arc.opt (mll64): New option.
7820 * config/arc/predicates.md (even_register_operand): New predicate.
7821 * doc/invoke.texi (ARC Options): Add mll64 documentation.
7823 2016-01-25 Richard Biener <rguenther@suse.de>
7826 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7827 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7829 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7831 2016-01-25 Richard Biener <rguenther@suse.de>
7833 PR tree-optimization/69376
7834 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7836 (VN_INFO_ANTI_RANGE_P): New inline.
7837 (VN_INFO_RANGE_TYPE): Likewise.
7838 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7839 SSA_NAME_ANTI_RANGE_P.
7840 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7841 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7842 Properly query VN_INFO_RANGE_TYPE.
7844 2016-01-25 Nick Clifton <nickc@redhat.com>
7847 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7849 2016-01-23 Tom de Vries <tom@codesourcery.com>
7851 PR tree-optimization/69426
7852 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7855 2016-01-23 Jakub Jelinek <jakub@redhat.com>
7857 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7858 "the the" with "the" in the comments.
7859 * ipa-devirt.c (build_type_inheritance_graph,
7860 update_type_inheritance_graph): Likewise.
7861 * tree.c (build_function_type_list_1): Likewise.
7862 * cfgloopmanip.c (scale_loop_profile): Likewise.
7863 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7864 * gimple-ssa-split-paths.c
7865 (find_block_to_duplicate_for_splitting_paths): Likewise.
7866 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7867 * expr.c (convert_move): Likewise.
7868 * var-tracking.c (vt_stack_adjustments): Likewise.
7869 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7870 * tree-vrp.c (test_for_singularity): Likewise.
7872 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7873 directly instead of building a temporary tree.
7876 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7877 remove <algorithm> include.
7879 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7882 * config/i386/i386.c: Include dojump.h.
7883 (expand_small_movmem_or_setmem,
7884 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7886 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7887 if dynamic_check != -1.
7889 2016-01-21 Jeff Law <law@redhat.com>
7892 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7893 record_temporary_equivalences. Rewritten to avoid unnecessary calls
7894 into dominated_by_p.
7895 (cprop_into_successor_phis): Avoid unnecessary tests.
7897 2016-01-22 Richard Henderson <rth@redhat.com>
7900 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7901 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7903 2016-01-22 Michael Matz <matz@suse.de>
7905 * system.h (string, algorithm): Include only conditionally.
7906 (new): Include always under C++.
7907 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7908 * final.c (toplevel): Ditto.
7909 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7910 * genconditions.c (write_header): Make gencondmd.c define
7912 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7914 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7915 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7917 2016-01-22 Christian Bruel <christian.bruel@st.com>
7920 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7922 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7925 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7926 define_insn_and_split. Ensure operands[1] and operands[0] do not
7927 get assigned the same register.
7929 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
7931 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7933 2016-01-22 Christian Bruel <christian.bruel@st.com>
7935 * config/arm/arm-c.c (arm_pragma_target_parse):
7936 Remove warn_builtin_macro_redefined overwrite.
7938 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7940 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7941 flag_non_call_exceptions compatibility.
7943 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7946 * dwarf2out.c (add_child_die_after): New function.
7947 (dwarf_qual_info_t): New type.
7948 (dwarf_qual_info): New variable.
7949 (qualified_die_p): New function.
7950 (modified_type_die): For -fdebug-types-section, ensure
7951 canonical order of qualifiers. Put qualified DIEs adjacent
7952 to the corresponding non-qualified type DIE and search there
7953 for existing qualified DIEs.
7955 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7957 * doc/extend.texi (scalar_storage_order type attribute): Document
7958 restriction on type punning and aliasing, and remove future tense.
7960 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
7963 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7966 2016-01-21 Jeff Law <law@redhat.com>
7969 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7970 useless call to record_temporary_equivalences.
7971 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7972 allocate 10 slots in the bb_path vector and let it grow as needed.
7973 (fsm_find_control_statement_thread_paths): Similarly for the next_path
7976 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7978 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7980 * configure: Regenerate.
7982 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
7984 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7985 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7987 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
7990 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7991 drop EXPAND_INITIALIZER.
7992 * rtl.h (contains_symbolic_reference_p): Declare.
7993 * rtlanal.c (contains_symbolic_reference_p): New function.
7994 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7995 a subtraction into a NOT if symbolic constants are involved.
7997 2016-01-21 Anton Blanchard <anton@samba.org>
7998 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8001 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
8003 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
8006 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
8008 * config/microblaze/microblaze.c
8009 (get_branch_target): New.
8010 (insert_wic_for_ilb_runout): New.
8012 (microblaze_machine_dependent_reorg): New.
8013 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
8014 * config/microblaze/microblaze.md
8015 (UNSPEC_IPREFETCH): Define.
8016 (iprefetch): New pattern
8017 * config/microblaze/microblaze.opt
8018 (mxl-prefetch): New flag.
8020 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
8022 * config/microblaze/microblaze.h
8023 (FIXED_REGISTERS): Update in macro.
8024 (CALL_USED_REGISTERS): Update in macro.
8026 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
8028 PR rtl-optimization/68920
8029 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
8032 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
8034 PR rtl-optimization/68990
8035 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
8036 pseudo instead of inheritance ones.
8038 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
8039 Nick Clifton <nickc@redhat.com>
8043 * config/mips/mips.c (mips_compute_frame_info): Initialise
8044 args_size and hard_frame_pointer_offset fields of the frame
8045 structure before calling mips_global_pointer.
8047 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
8049 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
8051 * configure: Regenerate.
8053 2016-01-21 Richard Biener <rguenther@suse.de>
8055 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
8057 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
8059 * config/s390/s390.c (s390_asm_declare_function_size): Add code
8060 to actually emit the .size directive.
8062 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
8063 Jakub Jelinek <jakub@redhat.com>
8067 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
8068 args array size by one to avoid buffer overflow.
8070 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
8072 * config/s390/s390.md (pool_section_start): Use switch_to_section
8073 to select proper read-only data section instead of hardcoding
8075 (pool_section_end): Use switch_to_section to match the above.
8077 2016-01-21 Richard Biener <rguenther@suse.de>
8079 PR tree-optimization/69378
8080 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
8081 (set_ssa_val_to): Use it for dominance checks taking into
8082 account not executable edges.
8084 2016-01-21 Jakub Jelinek <jakub@redhat.com>
8087 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
8088 for bitsize instead of GET_MODE_PRECISION (mode).
8090 2016-01-20 Martin Sebor <msebor@redhat.com>
8093 * extend.texi (__sync Builtins): Clarify the semantics of
8094 __sync_fetch_and_OP built-ins on pointers.
8095 (__atomic Builtins): Same.
8097 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8098 Sebastian Pop <s.pop@samsung.com>
8100 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
8101 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
8102 (is_valid_rename): Same.
8103 (translate_isl_ast_to_gimple::get_rename): Same.
8104 (translate_isl_ast_to_gimple::rename_all_uses): Same.
8105 (translate_isl_ast_to_gimple::rename_uses): Same.
8106 (get_new_name): Check for close_phi nodes.
8107 (copy_loop_phi_args): Use phi_node_kind.
8108 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
8109 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
8111 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8112 Sebastian Pop <s.pop@samsung.com>
8114 Revert commit r229783.
8115 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
8116 Remove use of parameter_rename_map.
8118 (copy_internal_parameters): Remove.
8119 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
8120 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
8121 (free_sese_info): Do not free parameter_rename_map.
8122 (set_rename): Do not use parameter_rename_map.
8123 (rename_uses): Update call to set_rename.
8124 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
8125 * sese.h (parameter_rename_map_t): Remove.
8126 (struct sese_info_t): Remove field parameter_rename_map.
8128 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8129 Sebastian Pop <s.pop@samsung.com>
8131 * graphite-isl-ast-to-gimple.c: Fix comment.
8132 * graphite-scop-detection.c (defined_in_loop_p): New.
8133 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
8134 names defined in loop.
8136 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8137 Sebastian Pop <s.pop@samsung.com>
8139 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
8140 Discard unstructured if-then-else regions.
8142 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8143 Sebastian Pop <s.pop@samsung.com>
8145 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
8146 (cleanup_loop_iter_dom): Remove.
8147 (build_loop_iteration_domains): Remove.
8148 (build_scop_context): Remove.
8149 (build_scop_iteration_domain): Remove.
8150 (add_loop_constraints): New.
8151 (build_iteration_domains): New.
8152 (build_poly_scop): Call build_iteration_domains.
8154 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8155 Sebastian Pop <s.pop@samsung.com>
8157 * graphite-scop-detection.c
8158 (scop_detection::harmful_loop_in_region): Free dom and loops.
8159 (scop_detection::loop_body_is_valid_scop): Free bbs.
8161 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8162 Sebastian Pop <s.pop@samsung.com>
8164 * graphite-scop-detection.c (record_loop_in_sese): New.
8165 (gather_bbs::before_dom_children): Call record_loop_in_sese.
8166 (build_scops): Remove call to build_sese_loop_nests.
8167 * sese.c (sese_record_loop): Remove.
8168 (build_sese_loop_nests): Remove.
8169 (new_sese_info): Remove region->loops.
8170 (free_sese_info): Same.
8171 * sese.h (sese_contains_loop): Same.
8172 (build_sese_loop_nests): Remove.
8173 (sese_contains_loop): Remove.
8175 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8176 Sebastian Pop <s.pop@samsung.com>
8178 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
8179 loop_is_valid_in_scop.
8180 (scop_detection::harmful_stmt_in_region): Renamed
8181 harmful_loop_in_region.
8182 Call loop_is_valid_in_scop.
8184 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8185 Sebastian Pop <s.pop@samsung.com>
8187 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
8190 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8191 Sebastian Pop <s.pop@samsung.com>
8193 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
8194 * graphite.h (struct poly_bb): Remove field is_reduction.
8195 (PBB_IS_REDUCTION): Remove.
8197 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
8198 Sebastian Pop <s.pop@samsung.com>
8200 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
8201 (add_pdr_constraints): Same.
8202 (scop_get_reads): Same.
8203 (scop_get_must_writes): Same.
8204 (scop_get_may_writes): Same.
8205 (scop_get_original_schedule): Same.
8206 (extend_schedule): Same.
8207 (apply_schedule_on_deps): Same.
8208 (carries_deps): Same.
8209 (compute_deps): Same.
8210 (scop_get_dependences): Same.
8211 * graphite-isl-ast-to-gimple.c
8212 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
8213 * graphite-optimize-isl.c (get_schedule_for_band): Same.
8214 (get_schedule_for_band_list): Same.
8215 (get_schedule_map): Same.
8216 (apply_schedule_map_to_scop): Same.
8217 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
8218 (build_loop_iteration_domains): Same.
8219 (add_condition_to_pbb): Same.
8220 (add_param_constraints): Same.
8221 (pdr_add_memory_accesses): Same.
8222 (pdr_add_data_dimensions): Same.
8224 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
8226 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
8229 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
8231 * common.opt (feliminate-dwarf2-dups): Replace references to
8232 "DWARF 2" with just "DWARF".
8233 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
8234 * doc/extend.texi: Likewise.
8235 * doc/cpp.texi: Likewise.
8236 * doc/invoke.texi: Likewise.
8237 (Option Summary): Add -gdwarf to list of Debugging Options.
8238 (Debugging Options): Document -gdwarf.
8239 * doc/contrib.texi: Spell "DWARF" like that.
8241 2016-01-21 Jakub Jelinek <jakub@redhat.com>
8243 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
8244 warning. Fix up formatting.
8247 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
8248 attempt to mark memory input operand addressable and
8249 call prepare_gimple_addressable in that case. Don't adjust
8250 input_location for diagnostics, use error_at instead.
8252 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
8254 * config/rs6000/ppc-auxv.h: New file.
8255 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
8257 (cpu_supports): Likewise.
8258 * config/rs6000/rs6000.c: include "ppc-auxv.h".
8259 (cpu_is_info): New variable.
8260 (cpu_supports_info): Likewise.
8261 (tcb_verification_symbol): Likewise.
8262 (cpu_builtin_p): Likewise.
8263 (cpu_expand_builtin): New function.
8264 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
8265 (rs6000_init_builtins): Likewise.
8266 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
8267 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
8268 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
8269 * configure: Regenerate.
8270 * config.in: Likewise.
8271 * doc/extend.texi (PowerPC Built-in Functions): Document
8272 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
8274 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
8277 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
8279 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
8282 2016-01-20 Richard Henderson <rth@redhat.com>
8288 * tree.c (tm_define_builtin): New.
8289 (find_tm_vector_type): New.
8290 (build_tm_vector_builtins): New.
8291 (build_common_builtin_nodes): Call it.
8293 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
8295 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
8296 (arm_fp_ok): Likewise.
8298 (arm_crypto): Likewise.
8300 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
8301 Richard Biener <rguenther@suse.de>
8303 PR tree-optimization/69328
8304 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
8305 vectors have same number of elements.
8306 (vectorizable_condition): Fix masked version recognition.
8308 2016-01-20 Richard Biener <rguenther@suse.de>
8310 PR tree-optimization/69345
8311 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
8312 (VN_INFO_PTR_INFO): Likewise.
8313 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
8314 info when it is equal between non-dominating SSA names.
8315 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
8316 Make sure to look at original SSA infos.
8318 2016-01-20 Jeff Law <law@redhat.com>
8321 * config/m68k/predicates.md (pow2_m1_operand): New predicate
8323 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
8324 (pc_or_label_operand): New predicate.
8325 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
8326 tests for small integers that are 2^n - 1.
8328 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
8330 * doc/invoke.texi (Options Summary): Add '.' after @xref.
8332 2016-01-19 Jeff Law <law@redhat.com>
8335 * tree-ssa-threadbackwards.c
8336 (fsm_find_control_statement_thread_paths): Do not try to lookup
8337 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
8339 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
8341 * doc/lto.texi: Remove text that says only Gold has linker plugin
8344 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
8346 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
8347 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
8348 the DIE accordingly.
8349 (modified_type_die): Add REVERSE parameter and pass it recursively,
8350 as well as to base_type_die. Adjust presence check accordingly.
8351 (base_type_for_mode): Adjust call to modified_type_die.
8352 (add_type_attribute): Add REVERSE parameter and pass it to
8354 (generic_parameter_die): Adjust call to add_type_attribute.
8355 (add_scalar_info): Likewise.
8356 (add_subscript_info): Likewise.
8357 (gen_array_type_die): Likewise.
8358 (gen_descr_array_type_die): Likewise.
8359 (gen_entry_point_die): Likewise.
8360 (gen_enumeration_type_die): Likewise.
8361 (gen_formal_parameter_die): Likewise.
8362 (gen_subprogram_die): Likewise.
8363 (gen_variable_die ): Likewise.
8364 (gen_const_die): Likewise.
8365 (gen_field_die): Likewise.
8366 (gen_pointer_type_die): Likewise.
8367 (gen_reference_type_die): Likewise.
8368 (gen_ptr_to_mbr_type_die): Likewise.
8369 (gen_inheritance_die): Likewise.
8370 (gen_subroutine_type_die): Likewise.
8371 (gen_typedef_die): Likewise.
8372 (force_type_die): Adjust call to modified_type_die.
8374 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
8376 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
8377 flow throughout the file. Fix broken link to Objective-C 2.0
8379 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
8382 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8384 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
8386 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8389 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
8390 (maybe_record_node): Record cxa_pure_virtual as the only possible
8391 target if there are not ohter candidates.
8392 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
8394 2016-01-19 Richard Biener <rguenther@suse.de>
8396 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
8397 (get_memory_order): Likewise.
8399 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
8401 * tree-vect-stmts.c (vectorizable_store): Check
8404 2016-01-19 David Malcolm <dmalcolm@redhat.com>
8407 * gcc.c (driver::decode_argv): Add call to
8408 init_opts_obstack before init_options_struct.
8409 * opts.c (init_opts_obstack): Remove idempotency.
8410 (init_options_struct): Replace call to init_opts_obstack
8411 with a gcc_assert to verify that it has already been called.
8412 * toplev.c (toplev::main): Add call to init_opts_obstack before
8413 calls to init_options_struct.
8414 (toplev::finalize): Move cleanup of opts_obstack next to
8415 cleanup of save_decoded_options, clearing the latter, and
8416 save_decoded_options_count.
8418 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8421 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
8422 attribute to unconditional. Remove %? from output template.
8424 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8425 Jiong Wang <jiong.wang@arm.com>
8427 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
8428 generated from different expand order.
8430 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8432 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8433 Add support for CCMP costing.
8435 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8437 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
8438 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
8439 (fccmpe<mode>): Likewise.
8440 (fcmp): Rename to fcmp and globalize pattern.
8442 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
8443 (aarch64_gen_ccmp_next): Add FP support.
8445 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8447 * target.def (gen_ccmp_first): Update documentation.
8448 (gen_ccmp_next): Likewise.
8449 * doc/tm.texi (gen_ccmp_first): Update documentation.
8450 (gen_ccmp_next): Likewise.
8451 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
8452 expand_ccmp_expr_1. Improve comments.
8453 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
8454 (ccmp_ior<mode>): Remove pattern.
8455 (cmp<mode>): Remove expand.
8456 (cmp): Globalize pattern.
8457 (cstorecc4): Use cc_register.
8458 (mov<mode>cc): Remove ccmp_cc_register check.
8459 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
8460 Simplify after removal of CC_DNE/* modes.
8461 (aarch64_ccmp_mode_to_code): Remove.
8462 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
8463 In 'k' case use integer as condition.
8464 (aarch64_nzcv_codes): Remove inverted cases.
8465 (aarch64_code_to_ccmode): Remove.
8466 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
8467 comparison with CC register to be used in folowing CCMP/branch/CSEL.
8468 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
8469 pattern. Return the comparison with CC register. Invert conditions
8471 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
8472 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
8474 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8476 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8477 instrumented_version.
8479 2016-01-19 Richard Biener <rguenther@suse.de>
8481 PR tree-optimization/69336
8482 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
8483 handled components with get_ref_base_and_extent.
8484 (equal_mem_array_ref_p): Adjust.
8486 2016-01-19 Jakub Jelinek <jakub@redhat.com>
8489 * shrink-wrap.c: Include valtrack.h.
8490 (move_insn_for_shrink_wrap): Add DEBUG argument. If
8491 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
8492 in between insn and where it will be moved to. Call
8493 dead_debug_insert_temp.
8494 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
8495 first and dead_debug_local_finish at the end.
8496 For uses and defs bitmap, handle all regs in between REGNO and
8497 END_REGNO, not just the first one.
8499 2016-01-19 Richard Biener <rguenther@suse.de>
8501 PR tree-optimization/69352
8502 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
8503 (equal_mem_array_ref_p): Constrain size and max size properly.
8504 Compare the reverse flag.
8506 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
8508 * ira.c (ira): Update regstat data if we deleted insns.
8510 2016-01-19 Jakub Jelinek <jakub@redhat.com>
8512 PR rtl-optimization/68955
8513 PR rtl-optimization/64557
8514 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
8515 here. Fix up formatting.
8516 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
8518 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8521 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
8522 assume that the node has body.
8523 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
8526 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8528 * lto-streamer-out.c (lto_output): Do not stream instrumentation
8531 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8533 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
8534 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
8536 2016-01-19 Martin Jambor <mjambor@suse.cz>
8537 Martin Liska <mliska@suse.cz>
8538 Michael Matz <matz@suse.de>
8540 * Makefile.in (OBJS): Add new source files.
8541 (GTFILES): Add hsa.c.
8542 * common.opt (disable_hsa): New variable.
8543 (-Whsa): New warning.
8544 * config.in (ENABLE_HSA): New.
8545 * configure.ac: Treat hsa differently from other accelerators.
8546 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
8548 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
8549 * doc/install.texi (Configuration): Document --with-hsa-runtime,
8550 --with-hsa-runtime-include, --with-hsa-runtime-lib and
8552 * doc/invoke.texi (-Whsa): Document.
8553 (hsa-gen-debug-stores): Likewise.
8554 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
8555 to invoke offload compiler for hsa acclerator.
8556 * opts.c (common_handle_option): Determine whether HSA offloading
8557 should be performed.
8558 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
8559 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
8560 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
8561 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
8562 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
8563 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
8564 GF_OMP_FOR_KIND_GRID_LOOP.
8565 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
8566 (pp_gimple_stmt_1): Likewise.
8567 * gimple-walk.c (walk_gimple_stmt): Likewise.
8568 * gimple.c (gimple_build_omp_grid_body): New function.
8569 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
8570 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
8571 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
8572 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
8573 GF_OMP_TEAMS_GRID_PHONY.
8574 (gimple_statement_omp_single_layout): Updated comments.
8575 (gimple_build_omp_grid_body): New function.
8576 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
8577 (gimple_omp_for_grid_phony): New function.
8578 (gimple_omp_for_set_grid_phony): Likewise.
8579 (gimple_omp_parallel_grid_phony): Likewise.
8580 (gimple_omp_parallel_set_grid_phony): Likewise.
8581 (gimple_omp_teams_grid_phony): Likewise.
8582 (gimple_omp_teams_set_grid_phony): Likewise.
8583 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8584 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8585 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8586 (BUILT_IN_GOMP_TARGET): Updated type.
8587 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8588 (adjust_for_condition): New function.
8589 (get_omp_for_step_from_incr): Likewise.
8590 (extract_omp_for_data): Moved parts to adjust_for_condition and
8591 get_omp_for_step_from_incr.
8592 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8593 (fixup_child_record_type): Bail out if receiver_decl is NULL.
8594 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8595 (scan_omp_parallel): Do not create child functions for phony
8597 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8598 (scan_omp_1_op): Checking assert we are not remapping to
8599 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
8600 (parallel_needs_hsa_kernel_p): New function.
8601 (expand_parallel_call): Register apprpriate parallel child
8602 functions as HSA kernels.
8603 (grid_launch_attributes_trees): New type.
8604 (grid_attr_trees): New variable.
8605 (grid_create_kernel_launch_attr_types): New function.
8606 (grid_insert_store_range_dim): Likewise.
8607 (grid_get_kernel_launch_attributes): Likewise.
8608 (get_target_argument_identifier_1): Likewise.
8609 (get_target_argument_identifier): Likewise.
8610 (get_target_argument_value): Likewise.
8611 (push_target_argument_according_to_value): Likewise.
8612 (get_target_arguments): Likewise.
8613 (expand_omp_target): Call get_target_arguments instead of looking
8614 up for teams and thread limit.
8615 (grid_expand_omp_for_loop): New function.
8616 (grid_arg_decl_map): New type.
8617 (grid_remap_kernel_arg_accesses): New function.
8618 (grid_expand_target_kernel_body): New function.
8619 (expand_omp): Call it.
8620 (lower_omp_for): Do not emit phony constructs.
8621 (lower_omp_taskreg): Do not emit phony constructs but create for them
8622 a temporary variable receiver_decl.
8623 (lower_omp_taskreg): Do not emit phony constructs.
8624 (lower_omp_teams): Likewise.
8625 (lower_omp_grid_body): New function.
8626 (lower_omp_1): Call it.
8627 (grid_reg_assignment_to_local_var_p): New function.
8628 (grid_seq_only_contains_local_assignments): Likewise.
8629 (grid_find_single_omp_among_assignments_1): Likewise.
8630 (grid_find_single_omp_among_assignments): Likewise.
8631 (grid_find_ungridifiable_statement): Likewise.
8632 (grid_target_follows_gridifiable_pattern): Likewise.
8633 (grid_remap_prebody_decls): Likewise.
8634 (grid_copy_leading_local_assignments): Likewise.
8635 (grid_process_kernel_body_copy): Likewise.
8636 (grid_attempt_target_gridification): Likewise.
8637 (grid_gridify_all_targets_stmt): Likewise.
8638 (grid_gridify_all_targets): Likewise.
8639 (execute_lower_omp): Call grid_gridify_all_targets.
8640 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8641 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8642 (tree_omp_clause): Added union field dimension.
8643 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8644 * tree.c (omp_clause_num_ops): Added number of arguments of
8645 OMP_CLAUSE__GRIDDIM_.
8646 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8647 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8648 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8649 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8650 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8651 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8652 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8653 * tree-pass.h (make_pass_gen_hsail): Declare.
8654 (make_pass_ipa_hsa): Likewise.
8655 * ipa-hsa.c: New file.
8656 * lto-section-in.c (lto_section_name): Add hsa section name.
8657 * lto-streamer.h (lto_section_type): Add hsa section.
8658 * timevar.def (TV_IPA_HSA): New.
8659 * hsa-brig-format.h: New file.
8660 * hsa-brig.c: New file.
8661 * hsa-dump.c: Likewise.
8662 * hsa-gen.c: Likewise.
8665 * toplev.c (compile_file): Call hsa_output_brig.
8666 * hsa-regalloc.c: New file.
8668 2016-01-18 Jeff Law <law@redhat.com>
8670 PR tree-optimization/69320
8671 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8672 ranged object, do nothing if the RHS constant is not [0..1].
8673 (optimize_stmt): Comparing a boolean ranged object against a
8674 constant outside [0..1] results in a compile-time constant.
8676 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8679 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
8681 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8682 (Option Summary): Update to reflect new section and moved options.
8683 (C++ Dialect Options): Move -fstats to new section.
8684 (Debugging Options): Move all dump, statistics, and other GCC
8685 developer options to new section. Rewrite section introduction
8686 and re-order remaining options to put the more basic ones first.
8687 (Optimization Options): Move -fira-verbose and -flto-report* to
8689 (Developer Options): New section incorporating moved options.
8690 * doc/cppopts.texi (-dM): Update cross-reference.
8692 2016-01-18 Richard Henderson <rth@redhat.com>
8695 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8696 operands to pseudo only if CSE is expected. Split long immediate
8697 operands only after reload, and for the stack pointer.
8698 (*add<GPI>3_pluslong): Remove.
8699 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8700 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
8701 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8702 (*add<GPI>3 peepholes): New.
8703 (*add<GPI>3 splitters): New.
8704 * config/aarch64/constraints.md (Upl): New.
8705 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8707 2016-01-18 Richard Biener <rguenther@suse.de>
8709 PR tree-optimization/69297
8710 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8712 (vect_bb_vectorization_profitable_p): Clear visited flag again.
8714 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
8717 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8718 of mixind vector and scalar types.
8719 (fold_relational_const): Add handling of vector
8720 comparison with boolean result.
8721 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8722 comparison of vector operands with boolean result for EQ/NE only.
8723 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8724 (verify_gimple_cond): Likewise.
8725 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8728 2016-01-18 Joseph Myers <joseph@codesourcery.com>
8730 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8733 2016-01-18 Richard Biener <rguenther@suse.de>
8736 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8738 2016-01-18 Tom de Vries <tom@codesourcery.com>
8740 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8742 2016-01-18 Tom de Vries <tom@codesourcery.com>
8744 * omp-low.c (set_oacc_fn_attrib): Make extern.
8745 * omp-low.h (set_oacc_fn_attrib): Declare.
8746 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8747 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8748 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8749 Add and handle function parameter oacc_kernels_p.
8750 (find_reduc_addr, get_omp_data_i_param): New function.
8751 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8752 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8753 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8754 Calculate dominance info. Skip loops that are not in a kernels region
8755 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
8756 (pass_parallelize_loops::execute): Call parallelize_loops with
8757 oacc_kernels_p argument.
8758 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8759 New member function.
8760 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8761 * passes.def: Add argument to pass_parallelize_loops instantation.
8763 2016-01-18 Tom de Vries <tom@codesourcery.com>
8765 * tree-parloops.c (pass_parallelize_loops::execute): Allow
8766 pass_parallelize_loops to be run outside the loop pipeline.
8768 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8770 * tree-scalar-evolution.c (follow_copies_to_constant): New.
8771 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8773 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8776 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8777 using get_ref_base_and_extent.
8778 (equal_mem_array_ref_p): New.
8779 (hashable_expr_equal_p): Add call to previous.
8781 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8784 * tree-sra.c (disqualified_constants, constant_decl_p): New.
8785 (sra_initialize): Allocate disqualified_constants.
8786 (sra_deinitialize): Free disqualified_constants.
8787 (disqualify_candidate): Update disqualified_constants when appropriate.
8788 (create_access): Scan for constant-pool entries as we go along.
8789 (scalarizable_type_p): Add check against type_contains_placeholder_p.
8790 (maybe_add_sra_candidate): Allow constant-pool entries.
8791 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8792 (initialize_constant_pool_replacements): New.
8793 (sra_modify_assign): Avoid mangling assignments created by previous,
8794 and don't generate writes into constant pool.
8795 (sra_modify_function_body): Call initialize_constant_pool_replacements.
8797 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
8799 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8801 (scalar_chain::convert_op): Likewise.
8802 * config/i386/i386.md (*andndi3_doubleword): New.
8804 2016-01-18 Richard Biener <rguenther@suse.de>
8806 PR tree-optimization/69170
8807 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8808 building a vector from scalar results of a pattern stmt.
8810 2016-01-18 Jakub Jelinek <jakub@redhat.com>
8812 * haifa-sched.c (autopref_multipass_init): Work around
8813 -Wmaybe-uninitialized warning.
8815 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
8817 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8818 against the constant 0.
8820 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8822 PR tree-optimization/68799
8823 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8824 look up phi candidates in the statement-candidate map.
8825 (phi_add_costs): Likewise.
8826 (record_phi_increments): Likewise.
8827 (phi_incr_cost): Likewise.
8828 (ncd_with_phi): Likewise.
8829 (all_phi_incrs_profitable): Likewise.
8831 2016-01-17 Jakub Jelinek <jakub@redhat.com>
8833 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8834 -Wmaybe-uninitialized warning.
8836 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
8838 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8839 (Option Summary): Update to reflect new section and moved options.
8840 (C++ Dialect Options): Move -fvtable-verify and related options.
8841 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8842 and profiling-related options.
8843 (Optimization Options): Move profile generation options and
8844 -fstack-protector and related options.
8845 (Instrumentation Options): New section incorporating moved options.
8846 (Code Generation Options): Move -finstrument-functions and
8847 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8849 2016-01-16 Tom de Vries <tom@codesourcery.com>
8851 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8853 2016-01-16 Tom de Vries <tom@codesourcery.com>
8855 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
8857 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
8859 * hash-table.h (hash_table::empty): Turn into an inline wrapper
8860 that checks whether the table is already empty. Rename the
8861 original implementation to...
8862 (hash_table::empty_slot): ...this new private function.
8864 2016-01-15 David Malcolm <dmalcolm@redhat.com>
8867 * diagnostic-show-locus.c (layout::print_source_line): Move x
8868 offset of line until after call to
8869 get_line_width_without_trailing_whitespace.
8871 2016-01-15 Jeff Law <law@redhat.com>
8873 PR tree-optimization/69270
8874 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8875 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
8876 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8877 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8878 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8879 ssa_name_has_boolean_range and constant_boolean_node.
8881 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
8883 PR rtl-optimization/69030
8884 * lra-spills.c (remove_pseudos): Check nrefs and make the function
8886 (spill_pseudos): Delete debug insn for dead pseudo.
8887 (lra_spill): Initiate spill_hard_reg and slots memory separately.
8889 2016-01-15 Jiong Wang <jiong.wang@arm.com>
8891 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8893 (TYPES_UNOPUS): Likewise.
8894 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8895 builtin type, from UNOP to UNOPUS.
8896 (lbtruncuv4sf): Likewise.
8897 (lbtruncuv2df): Likewise.
8898 (lrounduv2sf): Likewise.
8899 (lrounduv4sf): Likewise.
8900 (lrounduv2df): Likewise.
8901 (lroundusf): Likewise.
8902 (lroundusf): Likewise.
8903 (lceiluv2sf): Likewise.
8904 (lceiluv4sf): Likewise.
8905 (lceiluv2df): Likewise.
8906 (lceilusf): Likewise.
8907 (lceiludf): Likewise.
8908 (lflooruv2sf): Likewise.
8909 (lflooruv4sf): Likewise.
8910 (lflooruv2df): Likewise.
8911 (lfloorusf): Likewise.
8912 (lfloorudf): Likewise.
8913 (lfrintnuv2sf): Likewise.
8914 (lfrintnuv4sf): Likewise.
8915 (lfrintnuv2df): Likewise.
8916 (lfrintnusf): Likewise.
8917 (lfrintnudf): Likewise.
8918 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8920 (vcvtq_u32_f32): Likewise.
8921 (vcvtq_u64_f64): Likewise.
8922 (vcvta_u32_f32): Likewise.
8923 (vcvtaq_u32_f32): Likewise.
8924 (vcvtaq_u64_f64): Likewise.
8925 (vcvtm_u32_f32): Likewise.
8926 (vcvtmq_u32_f32): Likewise.
8927 (vcvtmq_u64_f64): Likewise.
8928 (vcvtn_u32_f32): Likwise.
8929 (vcvtnq_u32_f32): Likewise.
8930 (vcvtnq_u64_f64): Likewise.
8931 (vcvtp_u32_f32): Likewise.
8932 (vcvtpq_u32_f32): Likewise.
8933 (vcvtpq_u64_f64): Likewise.
8934 (vcvtmd_u64_f64): Likewise.
8935 (vcvtms_u32_f32): Likewise.
8936 (vcvtad_u64_f64): Likewise.
8937 (vcvtas_u32_f32): Likewise.
8938 (vcvtnd_u64_f64): Likewise.
8939 (vcvtns_u32_f32): Likewise.
8940 (vcvtpd_u64_f64): Likewise.
8941 (vcvtps_u32_f32): Likewise.
8943 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8945 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8946 CSEL of zero_extended registers.
8948 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8950 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8951 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8953 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8955 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8956 false when argument string is not found in the attributes table
8959 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
8962 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8963 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8964 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8967 2016-01-15 Richard Biener <rguenther@suse.de>
8969 PR tree-optimization/66856
8970 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8971 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8972 (vect_create_new_slp_node): Increment stmt reference count.
8973 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8974 an SLP tree before swapping operands.
8975 (vect_build_slp_tree): Likewise.
8976 (destroy_bb_vec_info): Free stmt info after SLP instances.
8977 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8978 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8979 (STMT_VINFO_NUM_SLP_USES): New macro.
8981 2016-01-15 Richard Biener <rguenther@suse.de>
8984 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8985 (add_linkage_name): ... here.
8986 (gen_typedef_die): Use add_linkage_name_raw instead of
8987 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8990 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
8992 * gimplify.c (oacc_default_clause): Decode reference and pointer
8993 types for both kernels and parallel regions.
8995 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
8998 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
9000 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
9002 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
9003 (convert_scalars_to_vector): Likewise.
9005 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
9007 * doc/extend.texi (Type Traits): Fix grammar.
9009 2016-01-15 Martin Jambor <mjambor@suse.cz>
9011 * tree-inline.c (remap_decl): Use existing dclarations if
9012 remapping a type and prevent_decl_creation_for_types.
9013 (replace_locals_stmt): Do an initial remapping of non-VLA typed
9014 decls first. Do real remapping with
9015 prevent_decl_creation_for_types set.
9016 * tree-inline.h (copy_body_data): New field
9017 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
9020 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
9022 * config/s390/s390.opt (mmvcle): More verbose help text.
9024 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
9026 * config/s390/s390.opt: Add period to -mzvector option text.
9028 2016-01-15 Richard Biener <rguenther@suse.de>
9030 PR tree-optimization/68961
9031 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
9032 of invariants in stores again.
9034 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
9036 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
9038 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
9040 * config/i386/i386.c (ix86_expand_branch): Don't split
9041 DI mode xor instruction to SI mode.
9043 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
9046 * ipa-icf.c (sem_function::merge): Virtual functions may become
9047 reachable even if they address is not taken and there are no
9050 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
9052 * lto-streamer-out.c (subtract_estimated_size): New function.
9053 (get_symbol_initial_value): Use it.
9055 2016-01-15 Christian Bruel <christian.bruel@st.com>
9058 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
9059 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
9060 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
9061 use add_builtin_function_ext_scope instead of add_builtin_function.
9062 (neon_set_p, neon_crypto_set_p): Remove.
9063 (arm_init_builtins): Always call arm_init_neon_builtins and
9064 arm_init_crypto_builtins.
9065 (arm_expand_builtin): Check that builtins are allowed for the arch.
9066 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
9067 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
9068 arm_init_neon_builtins call.
9070 2016-01-15 Richard Biener <rguenther@suse.de>
9072 PR tree-optimization/69117
9073 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
9074 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
9075 of the leader conservatively.
9076 (free_scc_vn): Restore original SSA name infos.
9078 2016-01-14 Jeff Law <law@redhat.com>
9080 PR tree-optimization/69270
9081 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
9082 single bit of precision, verify it's also unsigned.
9083 (record_edge_info): Use constant_boolean_node rather than fold_convert
9084 to convert boolean_true/boolean_false to the right type.
9086 2016-01-14 Richard Henderson <rth@redhat.com>
9089 * loop-doloop.c (record_reg_sets): New.
9090 (doloop_optimize): Reject the transform if the sequence
9091 clobbers registers live at the end of the loop block.
9092 (doloop_optimize_loops): Enable df_live if needed.
9094 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
9096 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
9097 * gcc/config/rs6000/rs6000.c: Likewise.
9098 * gcc/config/rs6000/rs6000.h: Likewise.
9099 * gcc/config/rs6000/rs6000.md: Likewise.
9100 * gcc/doc/extend.texi: Likewsie.
9102 2016-01-14 Jeff Law <law@redhat.com>
9104 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
9107 2016-01-14 Richard Henderson <rth@redhat.com>
9111 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
9112 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
9113 instead of builtin_decl_declared_p to test for declaration.
9115 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
9117 * doc/loop.texi (Loop Analysis and Representation): Document
9118 loop_depth function.
9120 2016-01-14 Tom de Vries <tom@codesourcery.com>
9122 PR tree-optimization/68773
9123 * omp-low.c (expand_omp_target): Don't set force_output.
9124 * varpool.c (varpool_node::get_create): Same.
9125 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
9126 offload_funcs with force_output.
9128 2016-01-14 Jakub Jelinek <jakub@redhat.com>
9131 * lra-eliminations.c (move_plus_up): Don't change anything if either
9132 the outer or inner subreg mode is not MODE_INT.
9133 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
9134 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
9136 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
9138 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
9139 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
9140 reduc_uplus_@var{m}): Remove.
9141 * expr.c (expand_expr_real_2): Remove expansion path for
9142 reduc_[us](min|max|plus) optabs.
9143 * optabs-tree.c (scalar_reduc_to_vector): Remove.
9144 * optabs-tree.h (scalar_reduc_to_vector): Remove.
9145 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
9146 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
9147 * tree-vect-loop.c (vectorizable_reduction): Remove test for
9148 reduc_[us](min|max|plus) optabs.
9150 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
9152 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
9153 (reduc_plus_scal_v2sf): New.
9154 (reduc_smax_v2sf): Rename to...
9155 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
9156 (reduc_smin_v2sf): Rename to...
9157 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
9159 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
9161 * alias.c (compare_base_symbol_refs): New function.
9162 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
9165 2016-01-14 Jakub Jelinek <jakub@redhat.com>
9168 PR tree-optimization/69155
9169 * tree-complex.c: Include cfganal.h.
9170 (phis_to_revisit): New variable.
9171 (extract_component): Add phiarg_p argument. Assert that returned
9172 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
9173 (update_phi_components): Partly rewrite to use loop over real/imag
9174 components instead of code duplication. If extract_component returns
9175 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
9176 create_tmp_reg into the PHI node instead, and mention the phi triplet
9178 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
9179 in phis_to_revisit at the end.
9181 2016-01-14 Richard Biener <rguenther@suse.de>
9183 PR tree-optimization/68060
9184 * tree-vect-loop.c (vect_is_simple_reduction): Check the
9185 outer loop reduction is only used in the inner loop before
9186 detecting a double reduction.
9188 2016-01-14 Jakub Jelinek <jakub@redhat.com>
9191 * combine.c (expand_field_assignment): Punt if compute_mode is
9192 unsupported scalar mode.
9194 2016-01-14 Richard Biener <rguenther@suse.de>
9196 PR tree-optimization/66856
9197 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
9198 SLP node only if it built successfully.
9199 (vect_analyze_slp_instance): Adjust.
9201 2016-01-14 Jeff Law <law@redhat.com>
9203 PR tree-optimization/69270
9204 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
9205 (record_edge_info): Use it. Convert boolean_{true,false}_node
9208 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
9211 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
9212 use block_ultimate_origin
9213 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
9215 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
9217 * doc/invoke.texi (Submodel Options): Rename section to
9218 "Machine-Dependent Options" to better reflect its content.
9219 Rewrite introductory text to remove archaic CPU names.
9222 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
9224 * doc/invoke.texi (Code Gen Options): Move section up in file,
9225 before target-specific options. Update menu and option summary
9226 to reflect the new section ordering.
9228 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
9230 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
9231 (C++ Dialect Options): Add cross-reference to -std option.
9232 * doc/standards.texi (C++ Language): Document C++14 support.
9234 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
9236 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
9237 for pack/unpack functions for __ibm128.
9238 (PACK_IF): Likewise.
9239 (UNPACK_IF): Likewise.
9241 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
9242 support for __ibm128 pack/unpack functions.
9243 (rs6000_invalid_builtin): Likewise.
9244 (rs6000_init_builtins): Likewise.
9245 (rs6000_opt_masks): Likewise.
9247 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
9248 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
9250 (RS6000_BTM_COMMON): Likewise.
9252 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
9253 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
9254 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
9255 128-bit floating point. Add support for the double values to be
9256 in Altivec registers for TF/IF packing and unpacking, but restrict
9257 TD packing sub-fields to be FPR registers. Don't allow overlapped
9258 register support for packing. Allow pack inputs to be memory
9259 locations. Don't build generator functions for unpack<mode>_dm
9260 and unpack<mode>_nodm.
9261 (unpack<mode>_dm): Likewise.
9262 (unpack<mode>_nodm): Likewise.
9263 (pack<mode>): Likewise.
9265 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
9266 built-in functions to pack/unpack explicit __ibm128 values.
9267 (__builtin_unpack_ibm128): Likewise.
9269 * doc/extend.texi (PowerPC Built-in Functions): Document
9270 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
9272 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
9275 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
9276 Add new arg loc and pass it down as context.
9277 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
9278 to the location to use for the warning.
9279 (check_function_arguments): New arg loc. All callers changed. Pass
9280 it to check_function_nonnull.
9281 * c-common.h (check_function_arguments): Adjust declaration.
9283 2016-01-13 Jakub Jelinek <jakub@redhat.com>
9285 PR tree-optimization/69156
9286 * gimple.c (validate_type): Removed.
9287 (gimple_builtin_call_types_compatible_p): Use
9288 useless_type_conversion_p instead of validate_type.
9289 * value-prof.c (gimple_stringop_fixed_value): Fold
9290 icall_size to correct type.
9292 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
9294 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
9297 2016-01-13 Richard Henderson <rth@redhat.com>
9300 * target.def (builtin_tm_load, builtin_tm_store): Remove.
9301 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
9302 (ix86_builtin_tm_store): Remove.
9303 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9304 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9305 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9306 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9307 * doc/tm.texi: Rebuild.
9309 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
9310 (BUILT_IN_TM_MEMCPY_RTWN): New.
9311 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
9312 fallback from vector to integer helpers.
9313 (build_tm_load): Handle vector types directly, instead of
9315 (build_tm_store): Likewise.
9316 (expand_assign_tm): Prepare for register types not handled by
9317 the above. Copy them to memory and use memcpy.
9318 * tree.c (tm_define_builtin): New.
9319 (find_tm_vector_type): New.
9320 (build_tm_vector_builtins): New.
9321 (build_common_builtin_nodes): Call it.
9323 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
9325 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
9326 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
9328 2016-01-13 Tom de Vries <tom@codesourcery.com>
9330 PR tree-optimization/69169
9331 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
9332 handled_struct_type param.
9333 (create_variable_info_for, intra_create_variable_infos): Call
9334 create_variable_info_for_1 with extra arg.
9336 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
9338 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
9339 and "armv8.1-a+crc" entries.
9341 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
9344 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
9345 Change first operand predicate from register_or_constm1_operand
9346 to register_operand.
9347 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
9348 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
9349 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
9350 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
9351 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
9352 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
9353 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
9354 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
9355 comparison with constm1_rtx from vec_prefetch_gen part.
9357 2016-01-13 Richard Biener <rguenther@suse.de>
9359 PR tree-optimization/69013
9360 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
9361 Exchange assert for a test.
9363 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9366 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
9368 2016-01-13 Richard Biener <rguenther@suse.de>
9370 PR tree-optimization/69242
9371 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
9372 assert with a check.
9374 2016-01-13 Richard Biener <rguenther@suse.de>
9376 PR tree-optimization/69186
9377 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
9378 Properly guard vect_update_misalignment_for_peel call.
9380 2016-01-12 Jeff Law <law@redhat.com>
9382 PR tree-optimization/pr67755
9383 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
9384 "need_profile_correction".
9385 (thread_block_1): Initialize new field to false by default. If we
9386 have multiple thread paths through a common joiner to different
9387 final targets, then set new field to true.
9388 (compute_path_counts): Only do count adjustment when it's really
9391 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9393 * doc/invoke.texi (Spec Files): Move section down in file, past
9394 all command-line option descriptions.
9396 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9399 * doc/gty.texi: Remove documentation of mark_hook.
9400 * gengtype.c (struct write_types_data): Remove code to support
9401 mark_hook attribute.
9402 (walk_type): Likewise.
9403 (write_func_for_structure): Likewise.
9405 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9407 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
9408 Directory Options, and -specs= to Overall Options.
9409 (Overall Options): Adjust similarly. Reorder to group related
9410 options together. Make -specs= cross-reference the spec file details.
9411 (Directory Options): Adjust similarly.
9413 2016-01-12 Jeff Law <law@redhat.com>
9415 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
9417 2016-01-12 Olivier Hainque <hainque@adacore.com>
9419 * gcc.c (spec_undefvar_allowed): New global.
9420 (process_command): Set to true when running for --version or --help,
9422 (getenv_spec_function): When the variable is not defined, use the
9423 variable name as the variable value if we're allowed not to issue
9426 2016-01-12 Bin Cheng <bin.cheng@arm.com>
9428 PR tree-optimization/68911
9429 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
9430 information computed for expression "init + nit * step".
9432 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9434 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
9435 about name of GCC executable. Remove deleted node from menu.
9436 (Directory Options) <-B>: Remove cross-reference to deleted node.
9437 (Target Options): Delete section.
9439 2016-01-12 Christian Bruel <christian.bruel@st.com>
9442 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
9443 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
9445 2016-01-12 Jakub Jelinek <jakub@redhat.com>
9448 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
9449 aligned_mem is properly set for AVX512-VL floating point masked
9453 * ifcvt.c (cond_exec_process_if_block): When removing the last
9454 insn from then_bb, remove also any possible barriers that follow it.
9456 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
9460 * config/i386/iamcu.h (SIZE_TYPE): New macro.
9461 (PTRDIFF_TYPE): Likewise.
9462 (WCHAR_TYPE): Likewise.
9463 (WCHAR_TYPE_SIZE): Likewise.
9464 (STDINT_LONG32): Likewise.
9466 2016-01-12 Richard Biener <rguenther@suse.de>
9468 PR tree-optimization/69053
9469 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
9470 convert initial value for cond reductions.
9472 2016-01-12 Richard Biener <rguenther@suse.de>
9474 PR tree-optimization/69007
9475 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
9476 widen_sum after dot_prod and sad.
9478 2016-01-12 Richard Biener <rguenther@suse.de>
9480 PR tree-optimization/69168
9481 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
9482 pattern stmt SLP type.
9483 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
9484 end up unused so cope with that case.
9486 2016-01-12 Richard Biener <rguenther@suse.de>
9488 PR tree-optimization/69157
9489 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
9490 stmts def type only during analyze phase.
9491 (vectorizable_call): Likewise.
9492 (vectorizable_simd_clone_call): Likewise.
9493 (vectorizable_conversion): Likewise.
9494 (vectorizable_assignment): Likewise.
9495 (vectorizable_shift): Likewise.
9496 (vectorizable_operation): Likewise.
9497 (vectorizable_store): Likewise.
9498 (vectorizable_load): Likewise.
9500 2016-01-12 Richard Biener <rguenther@suse.de>
9502 PR tree-optimization/69174
9503 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
9505 (vectorizable_load): Properly compute the number of loads needed
9506 for permuted strided SLP loads and do not spuriously assign
9507 to SLP_TREE_VEC_STMTS.
9509 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
9511 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
9512 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
9513 (MD_EXEC_PREFIX): Remove.
9514 (MD_STARTFILE_PREFIX) Removee.
9515 (FILE_NAME_ABSOLUTE_P): Remove.
9516 (CPP_SPEC): Do not read macros from sys/version.h.
9517 (LINK_COMMAND_SPEC): Remove.
9518 (LOCAL_INCLUDE_DIR): Remove.
9519 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
9520 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
9521 (POST_LINK_SPEC): Define to invoke stubify after linker
9522 (LIBSTDCXX): Remove define
9523 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
9524 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
9525 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
9526 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
9527 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
9528 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
9529 (i386_djgpp_asm_named_section): Add propotype of new procedure
9531 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
9532 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
9533 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
9534 in config/i386/djgpp.h).
9535 (STANDARD_STARTFILE_PREFIX_2): Define identical to
9536 STANDARD_STARTFILE_PREFIX_1.
9537 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
9538 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
9539 installation errors.
9540 (MAX_OFILE_ALIGNMENT): Define to 128.
9541 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
9543 * config/i386/djgpp.c: New file. Add implementation of
9544 i386_djgpp_asm_named_section.
9546 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
9548 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
9549 Add rule for building djgpp.o.
9551 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9553 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
9554 (rtx_is_swappable_p): Reductions are swappable.
9555 (insn_is_swappable_p): V2DF reductions are swappable.
9557 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
9559 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
9560 reloads for other unsupported memory operands.
9562 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
9563 Jim Wilson <jim.wilson@linaro.org>
9566 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
9567 copy_to_mode_reg instead of force_reg.
9569 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9572 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
9573 TARGET_80387 is true.
9575 2016-01-11 Jakub Jelinek <jakub@redhat.com>
9578 * lra-eliminations.c (move_plus_up): Only move plus up
9579 if subreg of the constant can be simplified into constant
9580 and use the simplified subreg of the constant instead of
9581 the original constant.
9583 * fold-const.c (fold_convertible_p): Don't return true
9584 for conversion of VECTOR_TYPE to same sized integral type.
9585 (fold_convert_loc): Fix up formatting. Fold conversion of
9586 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9587 instead of NOP_EXPR.
9589 PR tree-optimization/69214
9590 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9591 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9594 PR tree-optimization/69207
9595 * tree-vect-slp.c (vect_get_constant_vectors): For
9596 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9597 fold_convertible_p to vector_type's element type, and always
9598 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9600 2016-01-11 Richard Biener <rguenther@suse.de>
9602 PR tree-optimization/69173
9603 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9604 fixup the cycle if all stmts are in a pattern.
9606 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
9609 * alias.c (base_alias_check): Move check for addresses with
9610 alignment ANDs before the call for compare_base_decls.
9611 (memrefs_conflict_p): Return -1 for different decls
9612 that went through alignment adjustments.
9614 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9616 PR rtl-optimization/68796
9617 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9618 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9619 and QImode comparisons against zero with CC_NZmode.
9620 * config/aarch64/iterators.md (short_mask): New mode_attr.
9622 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9624 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9625 (<avx512>_store<mode>_mask): Likewise.
9627 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
9628 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9630 PR rtl-optimization/68841
9631 * ifcvt.c (struct noce_if_info): Add orig_x field.
9632 (bbs_ok_for_cmove_arith): Add to_rename parameter.
9633 Don't record conflicts on to_rename if it's present.
9634 Allow memory destinations in sets.
9635 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9636 blocks, passing orig_x to the checks.
9637 (noce_process_if_block): Set if_info->orig_x appropriately.
9639 2016-01-11 Tom de Vries <tom@codesourcery.com>
9641 PR tree-optimization/69069
9642 * tree-parloops.c (create_parallel_loop): Add missing phi args.
9644 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
9646 PR rtl-optimization/68920
9647 * config/i386/i386.c (ix86_option_override_internal): Restrict number
9648 of conditional moves for RTL if-conversion to 1 for
9649 TARGET_ONE_IF_CONV_INSN.
9650 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9651 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9652 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9653 parameter to restirct number of conditional moves for
9655 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9656 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9659 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
9662 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9663 onepart vars. Fix typo in comment. Fix reversed condition in
9665 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9668 * var-tracking.c (dump_onepart_variable_differences): New.
9669 (dataflow_set_different): If a detailed dump is requested,
9670 delay early returns and dump differences between onepart
9671 variables present before and after, and added variables.
9673 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
9676 * expr.c (expand_expr_real_1): For boolean vector constants
9677 with a scalar mode use const_scalar_mask_from_tree.
9678 (const_scalar_mask_from_tree): New.
9679 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9680 assigned to a mask type to handle constants.
9682 2016-01-11 Martin Jambor <mjambor@suse.cz>
9685 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9686 useless parameters if we cannot change function signature.
9688 2016-01-11 Martin Jambor <mjambor@suse.cz>
9691 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9694 2016-01-11 Tom de Vries <tom@codesourcery.com>
9696 PR tree-optimization/69109
9697 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9700 2016-01-11 Tom de Vries <tom@codesourcery.com>
9702 PR tree-optimization/69108
9703 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9704 res is not used in a phi.
9706 2016-01-11 Yury Gribov <y.gribov@samsung.com>
9709 * common.opt (frandom-seed): Fix parameter name.
9710 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9712 2016-01-11 Tom de Vries <tom@codesourcery.com>
9714 PR tree-optimization/69058
9715 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9718 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
9720 * config/arc/arc.opt (mdiv-rem): Add period to the end.
9721 (mcode-density): Likewise.
9723 2016-01-10 Tom de Vries <tom@codesourcery.com>
9725 PR tree-optimization/69062
9726 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9727 (parallelize_loops): Don't paralelize loop that has phi with address
9730 2016-01-10 Tom de Vries <tom@codesourcery.com>
9732 PR tree-optimization/69039
9733 * tree-parloops.c (try_create_reduction_list): Only allow single exit
9736 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
9739 * match.pd: Require target has function_c99_misc before doing
9740 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9742 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
9744 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9746 * configure: Regenerate.
9748 2016-01-09 Jakub Jelinek <jakub@redhat.com>
9751 PR tree-optimization/69097
9752 * fold-const.h (expr_not_equal_to): New prototype.
9753 * fold-const.c: Include stringpool.h and tree-ssanames.h.
9754 (expr_not_equal_to): New function.
9755 * match.pd (X % -Y is the same as X % Y): Don't optimize
9756 unless X is known not to be equal to minimum or Y is known
9757 not to be equal to -1.
9758 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9759 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9760 (simplify_stmt_using_ranges): Adjust caller.
9761 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9762 substitute_and_fold.
9764 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
9766 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9769 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9771 PR tree-optimization/69167
9772 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9773 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9775 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9777 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9778 Richard Biener <rguenther@suse.de>
9780 PR tree-optimization/68707
9781 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9782 instances that can be handled via vect_load_lanes.
9784 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
9786 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9787 if we can't determine address equivalence.
9788 * alias.c (compare_base_decl): Update for changed return value of
9789 symtab_node::equal_address_to.
9791 2016-01-08 Jason Merrill <jason@redhat.com>
9795 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9796 * expr.c (store_field): Not here.
9797 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9798 call with TREE_ADDRESSABLE type.
9799 * tree-cfg.c (verify_gimple_call): Adjust.
9801 2016-01-08 Olivier Hainque <hainque@adacore.com>
9803 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9806 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9808 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9809 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9810 (reduc_smin_v2sf): Rename to...
9811 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9812 (reduc_splus_v2sf): Rename to...
9813 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9815 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9817 PR tree-optimization/69162
9818 * gimplify.c (gimplify_va_arg_expr): Encode original type of
9819 valist argument in another argument.
9820 (gimplify_modify_expr): Adjust for the above change. Cleanup.
9821 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9822 to determine the va_list type, build a MEM_REF instead of
9823 build_fold_indirect_ref.
9825 PR tree-optimization/69172
9826 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9829 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
9831 PR tree-optimization/67781
9832 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9833 and cmpnop in two steps: first the ones not accessed in original
9834 gimple expression in a endian independent way and then the ones not
9835 accessed in the final result in an endian-specific way.
9837 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9839 PR tree-optimization/69083
9840 * tree-vect-slp.c (vect_get_constant_vectors): For
9841 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9842 element type. If op is fold_convertible_p to vector_type's element
9843 type, use NOP_EXPR instead of VCE.
9845 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
9847 PR rtl-optimization/67778
9848 PR rtl-optimization/68634
9849 PR rtl-optimization/68909
9850 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
9851 block from the stack until done with it. Remove a superfluous
9852 bitmap set. Remove a superfluous bitmap test.
9854 2016-01-07 Martin Sebor <msebor@redhat.com>
9857 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9858 constraint on the type of arguments.
9860 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
9862 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9863 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9864 unaligned_access on the gcc_options set.
9865 * config/arm/arm.c (arm_option_override_internal): Use
9866 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9868 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9871 * config/i386/i386.c (ix86_frame_pointer_required): Enable
9872 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9874 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9877 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9880 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9881 depending on frame_pointer_needed before remaining integer and SSE
9882 registers are saved.
9884 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
9887 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9889 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
9892 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9893 Use the "xBm" constraint.
9894 (float<sseintvecmodelower><mode>2<mask_name><round_name):
9896 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9897 (sse_cvtsi2ssq<round_name>): Likewise.
9898 (sse_cvtss2si<round_name>): Likewise.
9899 (sse_cvtss2siq<round_name>): Likewise.
9900 (sse2_cvtsi2sdq<round_name>): Likewise.
9901 (sse2_cvtsd2si<round_name>): Likewise.
9902 (sse2_cvtsd2siq<round_name>): Likewise.
9903 * config/i386/subst.md (round_nimm_scalar_predicate): New
9906 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
9909 * varasm.c (make_decl_rtl): Mark invalid register vars as
9912 PR rtl-optimization/66206
9913 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9914 All callers changed.
9916 2016-01-07 Jakub Jelinek <jakub@redhat.com>
9918 PR tree-optimization/69141
9919 * tree-ssa-pre.c: Include langhooks.h.
9920 (eliminate_dom_walker::before_dom_children): Use
9921 lang_hooks.decl_printable_name instead of
9922 cgraph_node::get ()->name ().
9925 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9926 it and DECL_ALIGN too.
9928 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
9930 * config/mips/mips-ftypes.def: Sort to lexicographical order.
9932 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9935 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9936 depending on frame_pointer_needed before remaining integer and SSE
9937 registers are saved.
9939 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9941 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9942 mode iterator with VSX_M2.
9943 (*p9_vecstore_<mode>): Likewise.
9944 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9945 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9946 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9947 (define_split for VSX_LE128 stores): Likewise.
9948 (define_peephole2 for TImode LE swaps): Likewise.
9949 (define_split for VSX_LE128 post-reload stores): Likewise.
9951 2016-01-06 Marek Polacek <polacek@redhat.com>
9954 * convert.c (convert_to_integer_1): Adjust call to
9955 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
9956 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
9957 EXPR instead of ARG.
9958 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9960 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9963 * doc/extend.texi (RL78 Variable Attributes): New section.
9965 2016-01-05 Marek Polacek <polacek@redhat.com>
9968 * builtins.c (get_memmodel): Use expansion point location rather than
9969 the input location. Call warning_at rather than warning.
9970 (expand_builtin_atomic_compare_exchange): Likewise.
9971 (expand_builtin_atomic_load): Likewise.
9972 (expand_builtin_atomic_store): Likewise.
9973 (expand_builtin_atomic_clear): Likewise.
9975 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9978 * config/i386/i386.c (ix86_expand_vector_logical_operator):
9979 Replace nonimmediate_operand with vector_operand.
9980 * config/i386/predicates.md (vector_operand): New predicate.
9981 (general_vector_operand): Replace nonimmediate_operand with
9983 * config/i386/sse.md: Replace nonimmediate_operand with
9984 vector_operand and m constraint with Bm constraint on SSE
9985 patterns with 16-byte memory operand.
9986 * config/i386/subst.md (round_nimm_predicate): Replace
9987 nonimmediate_operand with vector_operand.
9988 (round_saeonly_nimm_predicate): Likewise.
9989 (round_saeonly_nimm_scalar_predicate): New.
9991 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9994 * config/i386/constraints.md (Bm): New constraint.
9995 * config/i386/predicates.md (vector_memory_operand): New
9997 * config/i386/sse.md: Replace xm with xBm in plusminus and
10000 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
10003 * doc/extend.texi (V850 Function Attributes): New section.
10004 (V850 Variable Attributes): New section.
10006 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
10009 * doc/extend.texi (MicroBlaze Function Attributes): Document
10010 interrupt_handler and fast_interrupt attributes.
10012 2016-01-05 Sergei Trofimovich <siarheit@google.com>
10015 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
10016 for local symbolic operands.
10017 * config/ia64/predicates.md (local_symbolic_operand64): New
10020 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10022 PR rtl-optimization/68651
10023 * combine.c (combine_simplify_rtx): Canonicalize x + x into
10026 2016-01-05 Nathan Sidwell <nathan@acm.org>
10028 * alias.c (compare_base_decls): Use symtab_node::get.
10030 2016-01-05 Nick Clifton <nickc@redhat.com>
10033 * ira-costs.c (copy_cost): Initialise the t_icode field of the
10034 secondary_reload_info structure.
10037 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
10038 decls if weak support is available.
10040 2016-01-04 Martin Sebor <msebor@redhat.com>
10042 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
10044 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
10046 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
10047 OPTION_MASK_P9_DFORM.
10049 * config/rs6000/constraints.md (wo constraint): New constraint for
10052 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
10054 (rs6000_init_hard_regno_mode_ok): Likewise.
10056 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
10059 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
10060 expanders not to have constraints. Add support for ISA 3.0 xxperm
10061 instruction. Add support for fusing xxlor with xxperm.
10062 (altivec_vperm_<mode>_internal): Likewise.
10063 (altivec_vperm_v8hiv16qi): Likewise.
10064 (altivec_vperm_<mode>v16q): Likewise.
10065 (altivec_vperm_<mode>_uns): Likewise.
10066 (vperm_v8hiv4si): Likewise.
10067 (vperm_v16qiv8hi): Likewise.
10069 * doc/md.texi (RS/6000 constraints): Document wo constraint.
10071 2016-01-04 Jakub Jelinek <jakub@redhat.com>
10073 Update copyright years.
10075 * gcc.c (process_command): Update copyright notice dates.
10076 * gcov-dump.c (print_version): Ditto.
10077 * gcov.c (print_version): Ditto.
10078 * gcov-tool.c (print_version): Ditto.
10079 * gengtype.c (create_file): Ditto.
10080 * doc/cpp.texi: Bump @copying's copyright year.
10081 * doc/cppinternals.texi: Ditto.
10082 * doc/gcc.texi: Ditto.
10083 * doc/gccint.texi: Ditto.
10084 * doc/gcov.texi: Ditto.
10085 * doc/install.texi: Ditto.
10086 * doc/invoke.texi: Ditto.
10088 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
10090 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
10091 modes larger than TImode as TImode if NEON is not enabled.
10093 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
10096 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
10097 mode for %f0-%f31 only if TARGET_FPU.
10099 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
10102 * config/sparc/sparc.c (scan_record_type): Take into account subfields
10103 to compute the PACKED_P predicate.
10104 (function_arg_record_value): Minor tweaks.
10106 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
10108 * doc/install.texi (--with-multilib-list): Describe the meaning of the
10109 option for arm*-*-* targets.
10111 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
10113 * doc/extend.texi (Common Function Attributes): Move docs for
10114 MSP430-specific attributes to....
10115 (MSP430 Function Attributes): ...here. Delete the redundant
10116 entries and copy-edit the remaining text.
10117 (MSP430 Variable Attributes): Use uniform format for index
10118 entries and add a cross-reference to the corresponding function
10121 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
10123 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
10125 (x86 Options): Likewise.
10127 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
10131 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
10132 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
10133 to corresponding attribute.
10135 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
10137 * doc/extend.texi (Common Function Attributes) <noplt>: Move
10138 to correct alphabetization of table. Copy-edit and correct
10140 <stack_protect>: Likewise.
10141 <target_clones>: Likewise.
10143 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
10144 Correct punctuation.
10145 (Code Gen Options) <-fno-plt>: Copy-edit.
10147 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
10150 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
10151 SI values. Explicitly convert SI to DI and vice-versa.
10153 2016-01-01 Jakub Jelinek <jakub@redhat.com>
10155 PR tree-optimization/69070
10156 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
10157 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
10160 * ubsan.c (ubsan_instrument_float_cast): Call
10161 initialize_sanitizer_builtins.
10164 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
10166 Copyright (C) 2016 Free Software Foundation, Inc.
10168 Copying and distribution of this file, with or without modification,
10169 are permitted in any medium without royalty provided the copyright
10170 notice and this notice are preserved.